Include mesa-6.4.2 project

388 files changed, 102927 insertions, 0 deletions

diff --git a/nx-X11/extras/Mesa_6.4.2/progs/Makefile b/nx-X11/extras/Mesa_6.4.2/progs/Makefile
new file mode 100644
index 000000000..858d628c0
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/Makefile
@@ -0,0 +1,30 @@
+# progs/Makefile
+
+TOP = ..
+
+include $(TOP)/configs/current
+
+SUBDIRS = $(PROGRAM_DIRS)
+
+
+default: message subdirs
+
+
+message:
+	@echo "Making programs for" $(CONFIG_NAME)
+
+
+subdirs:
+	@for dir in $(SUBDIRS) ; do \
+		if [ -d $$dir ] ; then \
+			(cd $$dir ; $(MAKE)) || exit 1 ; \
+		fi \
+	done
+
+
+clean:
+	@for dir in $(SUBDIRS) tests ; do \
+		if [ -d $$dir ] ; then \
+			(cd $$dir ; $(MAKE) clean) ; \
+		fi \
+	done
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/beos/GLInfo.cpp b/nx-X11/extras/Mesa_6.4.2/progs/beos/GLInfo.cpp
new file mode 100644
index 000000000..cfa8c83af
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/beos/GLInfo.cpp
@@ -0,0 +1,151 @@
+// Small app to display GL infos
+
+#include <stdio.h>
+#include <string.h>
+
+#include <Application.h>
+#include <Window.h>
+#include <OutlineListView.h>
+#include <ScrollView.h>
+#include <GLView.h>
+
+#include <String.h>
+
+#include <GL/gl.h>
+#include <GL/glu.h>
+
+#define GLUT_INFO 1
+#ifdef GLUT_INFO
+	#include <GL/glut.h>
+#endif
+
+
+class GLInfoWindow : public BWindow 
+{
+public:
+   GLInfoWindow(BRect frame);
+   virtual bool   QuitRequested() { be_app->PostMessage(B_QUIT_REQUESTED); return true; }
+   
+private:
+	BGLView 			*gl;
+	BOutlineListView	*list;
+	BScrollView			*scroller;
+};
+
+
+class GLInfoApp : public BApplication
+{
+public:
+   GLInfoApp();
+private:
+   GLInfoWindow      *window;
+};
+
+
+GLInfoApp::GLInfoApp()
+   : BApplication("application/x-vnd.OBOS-GLInfo")
+{
+   window = new GLInfoWindow(BRect(50, 50, 350, 350));
+}
+
+GLInfoWindow::GLInfoWindow(BRect frame)
+   : BWindow(frame, "OpenGL Info", B_TITLED_WINDOW, 0)
+{
+	BRect	r = Bounds();
+	char *s;
+	BString l;
+
+	// Add a outline list view
+	r.right -= B_V_SCROLL_BAR_WIDTH;
+	list 		= new BOutlineListView(r, "GLInfoList", B_SINGLE_SELECTION_LIST, B_FOLLOW_ALL_SIDES);
+	scroller 	= new BScrollView("GLInfoListScroller", list, B_FOLLOW_ALL_SIDES,
+						B_WILL_DRAW | B_FRAME_EVENTS, false, true);
+						
+	gl = new BGLView(r, "opengl", B_FOLLOW_ALL_SIDES, 0, BGL_RGB | BGL_DOUBLE);
+	gl->Hide();
+	AddChild(gl);
+	AddChild(scroller);
+	
+	Show();
+	
+	LockLooper();
+	
+	// gl->LockGL();
+	
+	list->AddItem(new BStringItem("OpenGL", 0));
+
+	s = (char *) glGetString(GL_VENDOR);
+	if (s) {
+		l = ""; l << "Vendor Name: " << s;
+		list->AddItem(new BStringItem(l.String(), 1));
+	}
+
+	s = (char *) glGetString(GL_VERSION);
+	if (s) {
+		l = ""; l << "Version: " << s;
+		list->AddItem(new BStringItem(l.String(), 1));
+	}
+	
+	s = (char *) glGetString(GL_RENDERER);
+	if (s) {
+		l = ""; l << "Renderer Name: " << s;
+		list->AddItem(new BStringItem(l.String(), 1));
+	}
+
+	s = (char *) glGetString(GL_EXTENSIONS);
+	if (s) {
+		list->AddItem(new BStringItem("Extensions", 1));
+		while (*s) {
+			char extname[255];
+			int n = strcspn(s, " ");
+			strncpy(extname, s, n);
+			extname[n] = 0;
+			list->AddItem(new BStringItem(extname, 2));
+			if (! s[n])
+				break;
+			s += (n + 1);	// next !
+		}
+	}
+
+	list->AddItem(new BStringItem("GLU", 0));
+	s = (char *) gluGetString(GLU_VERSION);
+	if (s) {
+		l = ""; l << "Version: " << s;
+		list->AddItem(new BStringItem(l.String(), 1));
+	}
+
+	s = (char *) gluGetString(GLU_EXTENSIONS);
+	if (s) {
+		list->AddItem(new BStringItem("Extensions", 1));
+		while (*s) {
+			char extname[255];
+			int n = strcspn(s, " ");
+			strncpy(extname, s, n);
+			extname[n] = 0;
+			list->AddItem(new BStringItem(extname, 2));
+			if (! s[n])
+				break;
+			s += (n + 1);	// next !
+		}
+	}
+
+#ifdef GLUT_INFO
+	list->AddItem(new BStringItem("GLUT", 0));
+	l = "API version: "; l << GLUT_API_VERSION;
+	list->AddItem(new BStringItem(l.String(), 1));
+#endif
+
+	// gl->UnlockGL();
+
+	UnlockLooper();
+}
+
+
+
+int main(int argc, char *argv[])
+{
+   GLInfoApp *app = new GLInfoApp;
+   app->Run();
+   delete app;
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/beos/Makefile b/nx-X11/extras/Mesa_6.4.2/progs/beos/Makefile
new file mode 100644
index 000000000..45782fb3c
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/beos/Makefile
@@ -0,0 +1,33 @@
+# progs/beos/Makefile
+
+TOP = ../..
+include $(TOP)/configs/current
+
+# Makefile for BeOS demos
+
+# Written by Brian Paul
+# This file is in the public domain.
+#
+# Modified by Philippe Houdoin
+
+LDFLAGS += -soname=_APP_ $(APP_LIB_DEPS)
+
+INCLUDES = -I. -I- -I../../include
+
+default: demo sample GLInfo
+
+clean:
+	rm -f demo sample GLInfo
+	rm -f *.o
+
+demo: demo.o
+	$(LD) demo.o $(LDFLAGS) -o $@
+
+sample: sample.o
+	$(LD) sample.o $(LDFLAGS) -o $@
+
+GTLInfo: GLInfo.o
+	$(LD) GLInfo.o $(INCLUDES) $(LDFLAGS) -o $@
+
+.cpp.o:
+	$(CC) -c $< $(INCLUDES) $(CFLAGS) -o $@
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/beos/demo.cpp b/nx-X11/extras/Mesa_6.4.2/progs/beos/demo.cpp
new file mode 100644
index 000000000..6b0b9576d
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/beos/demo.cpp
@@ -0,0 +1,147 @@
+// $Id: demo.cpp,v 1.2 2004/08/14 09:59:16 phoudoin Exp $
+
+// Simple BeOS GLView demo
+// Written by Brian Paul
+// Changes by Philippe Houdoin
+// This file is in the public domain.
+
+
+
+#include <stdio.h>
+#include <Application.h>
+#include <Window.h>
+#include <GLView.h>
+
+class MyGL : public BGLView
+{
+public:
+	MyGL(BRect rect, char *name, ulong options);
+
+	virtual void AttachedToWindow();
+	virtual void Pulse();
+	virtual void FrameResized(float w, float h);
+
+private:
+	void Render();
+	void Reshape(float w, float h);
+	float mAngle;
+};
+
+
+class MyWindow : public BWindow
+{
+public:
+	MyWindow(BRect frame);
+	virtual bool QuitRequested();
+};
+
+
+MyWindow::MyWindow(BRect frame)
+   : BWindow(frame, "demo", B_TITLED_WINDOW, B_NOT_ZOOMABLE)
+{
+   // Make OpenGL view and put it in the window
+   BRect r = Bounds();
+   r.InsetBy(5, 5);
+   
+   MyGL *gl = new MyGL(r, "GL", BGL_RGB | BGL_DOUBLE);
+   AddChild(gl);
+   SetPulseRate(1000000 / 30);
+}
+
+bool MyWindow::QuitRequested()
+{
+   be_app->PostMessage(B_QUIT_REQUESTED);
+   return true;
+}
+
+
+
+MyGL::MyGL(BRect rect, char *name, ulong options)
+   : BGLView(rect, name, B_FOLLOW_ALL_SIDES, B_PULSE_NEEDED, options)
+{
+	mAngle = 0.0;
+}
+
+
+void MyGL::AttachedToWindow()
+{
+	BGLView::AttachedToWindow();
+
+	LockGL();
+	glClearColor(0.7, 0.7, 0, 0);
+	Reshape(Bounds().Width(), Bounds().Height());
+	UnlockGL();
+}
+
+
+void MyGL::FrameResized(float w, float h)
+{
+	BGLView::FrameResized(w, h);
+
+	LockGL();
+	Reshape(w, h);
+	UnlockGL();
+
+	Render();
+}
+
+
+void MyGL::Pulse()
+{
+	mAngle += 1.0;
+	Render();
+}
+
+
+void MyGL::Render()
+{
+    LockGL();
+
+    glClear(GL_COLOR_BUFFER_BIT);
+    
+    glPushMatrix();
+
+    glRotated(mAngle, 0, 0, 1);
+    glColor3f(0, 0, 1);
+
+    glBegin(GL_POLYGON);
+    glVertex2f(-1, -1);
+    glVertex2f( 1, -1);
+    glVertex2f( 1,  1);
+    glVertex2f(-1,  1);
+    glEnd();
+
+	glPopMatrix();
+
+    SwapBuffers();
+
+    UnlockGL();
+}
+
+
+void MyGL::Reshape(float w, float h)
+{
+	glViewport(0, 0, (int) (w + 1), (int) (h + 1));
+	glMatrixMode(GL_PROJECTION);
+	glLoadIdentity();
+	glFrustum(-1, 1, -1, 1, 10, 30);
+	glMatrixMode(GL_MODELVIEW);
+	glLoadIdentity();
+	glTranslatef(0, 0, -18);
+}
+
+
+int main(int argc, char *argv[])
+{
+   BApplication *app = new BApplication("application/demo");
+
+   // make top-level window
+   MyWindow *win = new MyWindow(BRect(100, 100, 500, 500));
+   win->Show();
+
+    app->Run();
+
+   delete app;
+
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/beos/sample.cpp b/nx-X11/extras/Mesa_6.4.2/progs/beos/sample.cpp
new file mode 100644
index 000000000..a86a11874
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/beos/sample.cpp
@@ -0,0 +1,225 @@
+// sample BGLView app from the Be Book
+
+
+#include <stdio.h>
+#include <Application.h>
+#include <Window.h>
+#include <GLView.h>
+
+
+class SampleGLView : public BGLView
+{
+public:
+   SampleGLView(BRect frame, uint32 type);
+   virtual void   AttachedToWindow(void);
+   virtual void   FrameResized(float newWidth, float newHeight);
+   virtual void   ErrorCallback(GLenum which);
+   
+   void         Render(void);
+   
+private:
+   void         gInit(void);
+   void         gDraw(void);
+   void         gReshape(int width, int height);
+         
+   float         width;
+   float         height;
+};
+
+
+
+class SampleGLWindow : public BWindow 
+{
+public:
+   SampleGLWindow(BRect frame, uint32 type);
+   virtual bool   QuitRequested() { be_app->PostMessage(B_QUIT_REQUESTED); return true; }
+   
+private:
+   SampleGLView   *theView;
+};
+
+
+class SampleGLApp : public BApplication
+{
+public:
+   SampleGLApp();
+private:
+   SampleGLWindow      *theWindow;
+};
+
+
+SampleGLApp::SampleGLApp()
+   : BApplication("application/x-vnd.sample")
+{
+   BRect windowRect;
+   uint32 type = BGL_RGB|BGL_DOUBLE;
+
+   windowRect.Set(50, 50, 350, 350);
+
+   theWindow = new SampleGLWindow(windowRect, type);
+}
+
+
+
+SampleGLWindow::SampleGLWindow(BRect frame, uint32 type)
+   : BWindow(frame, "OpenGL Test", B_TITLED_WINDOW, 0)
+{
+   theView = new SampleGLView(Bounds(), type);
+   AddChild(theView);
+   Show();
+   theView->Render();
+}
+
+
+
+SampleGLView::SampleGLView(BRect frame, uint32 type)
+   : BGLView(frame, "SampleGLView", B_FOLLOW_ALL_SIDES, 0, type)
+{
+   width = frame.right-frame.left;
+   height = frame.bottom-frame.top;
+}
+
+
+void SampleGLView::AttachedToWindow(void)
+{
+   LockGL();
+   BGLView::AttachedToWindow();
+   gInit();
+   gReshape(width, height);
+   UnlockGL();
+}
+
+
+void SampleGLView::FrameResized(float newWidth, float newHeight) 
+{
+   BGLView::FrameResized(newWidth, newHeight);
+
+   LockGL();
+
+   width = newWidth;
+   height = newHeight;
+   
+   gReshape(width,height);
+      
+   UnlockGL();
+   Render();
+}
+
+
+void SampleGLView::ErrorCallback(GLenum whichError) 
+{
+//      fprintf(stderr, "Unexpected error occured (%d):\\n", whichError);
+//      fprintf(stderr, "    %s\\n", gluErrorString(whichError));
+}
+
+
+
+// globals
+GLenum use_stipple_mode;    // GL_TRUE to use dashed lines
+GLenum use_smooth_mode;     // GL_TRUE to use anti-aliased lines
+GLint linesize;             // Line width
+GLint pointsize;            // Point diameter
+   
+float pntA[3] = {
+   -160.0, 0.0, 0.0
+};
+float pntB[3] = {
+   -130.0, 0.0, 0.0
+};
+
+
+
+void SampleGLView::gInit(void) 
+{
+   glClearColor(0.0, 0.0, 0.0, 0.0);
+   glLineStipple(1, 0xF0E0);
+   glBlendFunc(GL_SRC_ALPHA, GL_ONE);
+   use_stipple_mode = GL_FALSE;
+   use_smooth_mode = GL_TRUE;
+   linesize = 2;
+   pointsize = 6;
+}
+
+
+
+void SampleGLView::gDraw(void)
+{
+   GLint i;
+   
+   glClear(GL_COLOR_BUFFER_BIT);
+   glLineWidth(linesize);
+   
+/*
+
+   if (use_stipple_mode) {
+      glEnable(GL_LINE_STIPPLE);
+   } else {
+      glDisable(GL_LINE_STIPPLE);
+   }
+*/
+
+   glDisable(GL_POINT_SMOOTH);
+
+
+   glPushMatrix();
+   
+   glPointSize(pointsize);         // Set size for point
+
+   for (i = 0; i < 360; i += 5) {
+      glRotatef(5.0, 0,0,1);         // Rotate right 5 degrees
+
+	  if (use_smooth_mode) {
+		glEnable(GL_LINE_SMOOTH);
+	    glEnable(GL_BLEND);
+	   } else {
+	      glDisable(GL_LINE_SMOOTH);
+	      glDisable(GL_BLEND);
+	   }
+
+      glColor3f(1.0, 1.0, 0.0);      // Set color for line
+      glBegin(GL_LINE_STRIP);         // And create the line
+      	glVertex3fv(pntA);
+      	glVertex3fv(pntB);
+      glEnd();
+
+      glDisable(GL_POINT_SMOOTH);
+      glDisable(GL_BLEND);
+
+      glColor3f(0.0, 1.0, 0.0);      // Set color for point
+      glBegin(GL_POINTS);
+      	glVertex3fv(pntA);         // Draw point at one end
+      	glVertex3fv(pntB);         // Draw point at other end
+      glEnd();
+   }
+   
+   glPopMatrix();                  // Done with matrix
+}
+
+
+void SampleGLView::gReshape(int width, int height)
+{
+   glViewport(0, 0, width, height);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glOrtho(-175, 175, -175, 175, -1, 1);
+   glMatrixMode(GL_MODELVIEW);
+}
+
+
+void SampleGLView::Render(void)
+{
+   LockGL();
+   gDraw();
+   SwapBuffers();
+   UnlockGL();
+}
+
+
+
+int main(int argc, char *argv[])
+{
+   SampleGLApp *app = new SampleGLApp;
+   app->Run();
+   delete app;
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/.cvsignore b/nx-X11/extras/Mesa_6.4.2/progs/demos/.cvsignore
new file mode 100644
index 000000000..2b8a22512
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/.cvsignore
@@ -0,0 +1,46 @@
+.cvsignore
+arbfplight
+arbocclude
+bounce
+clearspd
+cubemap
+drawpix
+fire
+fplight
+gamma
+gears
+geartrain
+glinfo
+gloss
+gltestperf
+glutfx
+ipers
+isosurf
+lodbias
+morph3d
+multiarb
+occlude
+osdemo
+paltex
+pixeltex
+pointblast
+ray
+readpix
+readtex.c
+readtex.h
+reflect
+renormal
+shadowtex
+spectex
+stex3d
+teapot
+terrain
+tessdemo
+texcyl
+texdown
+texenv
+texobj
+trispd
+tunnel
+tunnel2
+winpos
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/Makefile b/nx-X11/extras/Mesa_6.4.2/progs/demos/Makefile
new file mode 100644
index 000000000..4bd72d8a5
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/Makefile
@@ -0,0 +1,115 @@
+# progs/demos/Makefile
+
+TOP = ../..
+include $(TOP)/configs/current
+
+INCDIR = $(TOP)/include
+
+OSMESA_LIBS = -L$(LIB_DIR) -lglut -lOSMesa -lGLU -lGL $(APP_LIB_DEPS)
+
+OSMESA16_LIBS = -L$(LIB_DIR) -lglut -lOSMesa16 -lGLU -lGL $(APP_LIB_DEPS)
+
+OSMESA32_LIBS = -L$(LIB_DIR) -lglut -lOSMesa32 -lGLU -lGL $(APP_LIB_DEPS)
+
+LIB_DEP = $(LIB_DIR)/$(GL_LIB_NAME) $(LIB_DIR)/$(GLU_LIB_NAME) $(LIB_DIR)/$(GLUT_LIB_NAME)
+
+PROGS = \
+	arbfplight \
+	arbocclude \
+	bounce \
+	clearspd \
+	cubemap \
+	drawpix \
+	fire \
+	fogcoord \
+	fplight \
+	gamma \
+	gears \
+	geartrain \
+	glinfo \
+	gloss \
+	gltestperf \
+	glutfx \
+	isosurf \
+	ipers \
+	lodbias \
+	morph3d \
+	multiarb \
+	occlude \
+	paltex \
+	pixeltex \
+	pointblast \
+	ray \
+	readpix \
+	reflect \
+	renormal \
+	shadowtex \
+	spectex \
+	spriteblast \
+	stex3d \
+	teapot \
+	terrain \
+	tessdemo \
+	texcyl \
+	texdown \
+	texenv \
+	texobj \
+	trispd \
+	tunnel \
+	tunnel2 \
+	winpos
+
+
+##### RULES #####
+
+.SUFFIXES:
+.SUFFIXES: .c
+
+
+# make executable from .c file:
+.c: $(LIB_DEP) readtex.o
+	$(CC) -I$(INCDIR) $(CFLAGS) $< readtex.o $(APP_LIB_DEPS) -o $@
+
+
+##### TARGETS #####
+
+default: readtex.o $(PROGS)
+
+
+readtex.c: $(TOP)/progs/util/readtex.c
+	cp $< .
+
+readtex.h: $(TOP)/progs/util/readtex.h
+	cp $< .
+
+readtex.o: readtex.c readtex.h
+	$(CC) -c -I$(INCDIR) $(CFLAGS) readtex.c
+
+
+showbuffer.c: $(TOP)/progs/util/showbuffer.c
+	cp $< .
+
+showbuffer.h: $(TOP)/progs/util/showbuffer.h
+	cp $< .
+
+showbuffer.o: showbuffer.c showbuffer.h
+	$(CC) -c -I$(INCDIR) $(CFLAGS) showbuffer.c
+
+
+reflect: reflect.o showbuffer.o readtex.o
+	$(CC) -I$(INCDIR) $(CFLAGS) reflect.o showbuffer.o readtex.o $(APP_LIB_DEPS) -o $@
+
+reflect.o: reflect.c showbuffer.h
+	$(CC) -c -I$(INCDIR) $(CFLAGS) reflect.c
+
+
+shadowtex: shadowtex.o showbuffer.o
+	$(CC) -I$(INCDIR) $(CFLAGS) shadowtex.o showbuffer.o $(APP_LIB_DEPS) -o $@
+
+shadowtex.o: shadowtex.c showbuffer.h
+	$(CC) -c -I$(INCDIR) $(CFLAGS) shadowtex.c
+
+clean:
+	-rm -f $(PROGS)
+	-rm -f *.o *~
+	-rm -f readtex.[ch] showbuffer.[ch]
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/Makefile.cygnus b/nx-X11/extras/Mesa_6.4.2/progs/demos/Makefile.cygnus
new file mode 100644
index 000000000..0efc1ab0c
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/Makefile.cygnus
@@ -0,0 +1,87 @@
+
+# Mesa 3-D graphics library
+# Version:  3.3
+# Copyright (C) 1995-2000  Brian Paul
+
+
+# Makefile for demo programs for cygnus
+# Stephane Rehel (rehel@worldnet.fr) April 13 1997
+
+
+
+##### MACROS #####
+
+INCDIR = ../include
+LIBDIR = ../lib
+
+GL_LIBS = -L$(LIBDIR) -lglut -lMesaGLU -lMesaGL -lm $(WLIBS)
+
+LIB_DEP = $(LIBDIR)/$(GL_LIB) $(LIBDIR)/$(GLU_LIB) $(LIBDIR)/$(GLUT_LIB)
+
+PROGS = bounce \
+	clearspd \
+	cubemap \
+	drawpix \
+	fire \
+	gamma \
+	gears \
+	geartrain \
+	glinfo \
+	gloss \
+	gltestperf \
+	glutfx \
+	isosurf \
+	ipers \
+	lodbias \
+	morph3d \
+	multiarb \
+	occlude \
+	osdemo \
+	paltex \
+	pixeltex \
+	pointblast \
+	ray \
+	readpix \
+	reflect \
+	renormal \
+	spectex \
+	stex3d \
+	teapot \
+	terrain \
+	tessdemo \
+	texcyl \
+	texdown \
+	texenv \
+	texobj \
+	trispd \
+	tunnel \
+	tunnel2 \
+	winpos
+
+
+##### RULES #####
+
+.SUFFIXES:
+.SUFFIXES: .c
+
+.c: $(LIB_DEP)
+	$(CC) -I$(INCDIR) -I../util $(CFLAGS) $< $(GL_LIBS) -o $@
+
+
+##### TARGETS #####
+
+default:
+	@echo "Specify a target configuration"
+
+clean:
+	-rm *.o *~
+
+realclean:
+	-rm $(PROGS:=.exe)
+	-rm *.o *~
+
+targets: $(PROGS)
+
+include ../Make-config
+
+
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/README b/nx-X11/extras/Mesa_6.4.2/progs/demos/README
new file mode 100644
index 000000000..a3d0c18bb
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/README
@@ -0,0 +1,230 @@
+INTRODUCTION
+------------
+
+This directory is usually included in the Mesa demos distribution or
+in the GLUT distribution.
+
+I have written the demos included in this directory mainly for showing
+the capabilities of the Mesa library when using the Voodoo driver.
+However all the demos are written using the GLUT and OpenGL so they
+work with any GLUT/OpenGL platform (tested: Linux+Mesa+Voodoo driver,
+Linux+Mesa+X11 driver, Win95+Mesa+Voodoo driver and SGI Onyx IR thanks
+to Mark Kilgard).
+
+All the demos make an heavy use of texture mapping, blending, etc. so
+you _need_ some kind of hardware support for the OpenGL otherwise they
+will run at ~1fps. You need also a OpenGL 1.1 compliant library.
+
+You can find some screenshot of these demos at
+http://www-hmw.caribel.pisa.it/fxmesa/fxdemos.hmtl
+
+Write me if you find some bug in the demos.
+
+David Bucciarelli (tech.hmw@plus.it)
+
+Humanware s.r.l.
+Via XXIV Maggio 62
+Pisa, Italy
+Tel./Fax +39-50-554108
+email: info.hmw@plus.it
+www: www-hmw.caribel.pisa.it
+
+
+A BRIEF DESCRIPTION OF THE DEMOS
+--------------------------------
+
+
+IPERS
+-----
+
+Sources: ipers.c image.c
+
+A nice spinning fractal object.
+
+
+RAY
+---
+
+Sources: ray.c
+
+I'm using ray tracing to dynamically generate texture maps with
+specular, diffuse, shadows, and mirror colors. Each frame the texture
+maps of the plane and of the sphere are partially updated.  With this
+technique you can obtain true mirrors, shadows, specular highlights,
+bump mapping, etc. in realtime.  This demo is really CPU intensive
+(~25fps on a PentiumII@300MHz with a Pure3D).  Support on-the-fly
+switching between fullscreen and in-window rendering under Linux/Mesa
+(start your X server in 16 bpp mode and press the spacebar).
+
+
+TUNNEL
+------
+
+Sources: tunnel.c image.c sources.c
+Data: bw.rgb tile.rgb
+
+The model was designed and prelighted with Alias|Wavefront
+PowerAnimator V8. Triangle strips were built with a tool written by me
+and then statically included in the sources.  This demo doesn't
+require the ZBuffer and use antialiased polygons.  Support on-the-fly
+switching between fullscreen and in-window rendering under Linux/Mesa
+(start your X server in 16 bpp mode and press the spacebar).
+
+
+TUNNEL2
+------
+
+Sources: tunnel2.c image.c sources.c
+Data: bw.rgb tile.rgb
+
+The some tunnel demo but with two output channels. A nice
+example of the Mesa/Voodoo support for multiple boards in
+the some PC.
+
+
+TEAPOT
+------
+
+Sources: teapot.c image.c dteapot.c shadow.c
+Data: bw.rgb tile.rgb
+
+The shadow is drawn projecting the teapot geometry over the plane. All
+other light effects are drawn using the standard OpenGL capabilities.
+Support on-the-fly switching between fullscreen and in-window
+rendering under Linux/Mesa (start your X server in 16 bpp mode and
+press the spacebar).
+
+
+FIRE
+----
+
+Sources: fire.c image.c
+Data: s128.rgb tree2.rgb
+
+The demo use a small particle system to draw some nice visual effect.
+You can interactively change many parameters of the particle system
+and you can choose the number of particles at the startup ('fire
+4000').  This demo should be called fountain.  Support on-the-fly
+switching between fullscreen and in-window rendering under Linux/Mesa
+(start your X server in 16 bpp mode and press the spacebar).
+
+
+TERRAIN
+-------
+
+Sources: mesaland.c
+
+This demo is base on another demo written by Mikael SkiZoWalker.  I
+have added the capabilities to freely fly around, view culling and
+some nice color.  Support on-the-fly switching between fullscreen and
+in-window rendering under Linux/Mesa (start your X server in 16 bpp
+mode and press the spacebar).
+
+
+GLTEST
+------
+
+Sources: gltest.c
+
+This is a simple benchmark suite that I'm using in the development of
+the Mesa/Voodoo driver. Type 'gltest >my.res' and you will get some
+data about the performances of your OpenGL. Follow the results with my
+PC (Linux+Mesa-2.6+PentiumII@300MHz+Pure3D):
+
+Simple Points
+587900.080674 Pnts/sec
+
+Smooth Lines
+SIZE=480 => 39007.426183 Lins/sec
+SIZE=250 => 74575.016485 Lins/sec
+SIZE=100 => 179734.882409 Lins/sec
+SIZE=050 => 183987.795297 Lins/sec
+SIZE=025 => 183820.086309 Lins/sec
+
+
+ZSmooth Triangles
+SIZE=480 => 784.954997 Tris/sec
+SIZE=250 => 2862.325889 Tris/sec
+SIZE=100 => 17779.492938 Tris/sec
+SIZE=050 => 159339.829844 Tris/sec
+SIZE=025 => 428602.984008 Tris/sec
+
+
+ZSmooth Tex Blend Triangles
+SIZE=480 => 784.473931 Tris/sec
+SIZE=250 => 2853.781513 Tris/sec
+SIZE=100 => 17598.252146 Tris/sec
+SIZE=050 => 152632.578337 Tris/sec
+SIZE=025 => 377584.760048 Tris/sec
+
+
+ZSmooth Tex Blend TMesh Triangles
+SIZE=400 => 563.900695 Tris/sec, MPixel Fill/sec: 45.112056
+SIZE=250 => 1449.777225 Tris/sec, MPixel Fill/sec: 45.305538
+SIZE=100 => 8702.869121 Tris/sec, MPixel Fill/sec: 43.514346
+SIZE=050 => 31896.867466 Tris/sec, MPixel Fill/sec: 39.871084
+SIZE=025 => 114037.262894 Tris/sec, MPixel Fill/sec: 35.636645
+SIZE=010 => 220494.235839 Tris/sec, MPixel Fill/sec: 11.024712
+SIZE=005 => 225615.506651 Tris/sec, MPixel Fill/sec: 2.820194
+SIZE=002 => 225607.681439 Tris/sec, MPixel Fill/sec: 0.451215
+
+
+Color/Depth Buffer Clears
+295.042474 Clrs/sec, MPixel Fill/sec: 90.553256
+
+
+Follow the results with my
+PC (Linux+Mesa-3.0beta5+PentiumII@300MHz+Voodoo2):
+
+
+Simple Points
+1620113.525130 Pnts/sec
+
+Smooth Lines
+SIZE=480 => 73841.166065 Lins/sec
+SIZE=250 => 140794.035316 Lins/sec
+SIZE=100 => 344185.242157 Lins/sec
+SIZE=050 => 420399.008289 Lins/sec
+SIZE=025 => 420261.389773 Lins/sec
+
+
+ZSmooth Triangles
+SIZE=480 => 1434.668506 Tris/sec
+SIZE=250 => 5228.449614 Tris/sec
+SIZE=100 => 46603.815842 Tris/sec
+SIZE=050 => 325757.045961 Tris/sec
+SIZE=025 => 589022.403336 Tris/sec
+
+
+ZSmooth Tex Blend Triangles
+SIZE=480 => 1414.900041 Tris/sec
+SIZE=250 => 5006.055235 Tris/sec
+SIZE=100 => 43602.252031 Tris/sec
+SIZE=050 => 303497.092692 Tris/sec
+SIZE=025 => 517087.428669 Tris/sec
+
+
+ZSmooth Tex Blend TMesh Triangles
+SIZE=400 => 1023.273112 Tris/sec, MPixel Fill/sec: 81.861849
+SIZE=250 => 2595.692121 Tris/sec, MPixel Fill/sec: 81.115379
+SIZE=100 => 15788.198912 Tris/sec, MPixel Fill/sec: 78.940995
+SIZE=050 => 58784.121300 Tris/sec, MPixel Fill/sec: 73.480152
+SIZE=025 => 244233.873481 Tris/sec, MPixel Fill/sec: 76.323085
+SIZE=010 => 474995.004191 Tris/sec, MPixel Fill/sec: 23.749750
+SIZE=005 => 475124.354163 Tris/sec, MPixel Fill/sec: 5.939054
+SIZE=002 => 474959.089503 Tris/sec, MPixel Fill/sec: 0.949918
+
+
+Color/Depth Buffer Clears
+478.654830 Clrs/sec, MPixel Fill/sec: 146.906826
+
+
+PALTEX and GLBPALTX
+-------------------
+
+Sources: paltex.c and glbpaltx.c
+
+The PALTEX example was written by Brian Paul and it shows the
+capabilities of the GL_EXT_paletted_texture extension.  I have written
+the other example in order to show the capabilities of the
+gl3DfxSetPaletteEXT() (it used only by GLQuake and Quake2).
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/all.dsp b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/all.dsp
new file mode 100644
index 000000000..b47283c58
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/all.dsp
@@ -0,0 +1,101 @@
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diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/bounce.dsp b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/bounce.dsp
new file mode 100644
index 000000000..0510e77d9
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/bounce.dsp
@@ -0,0 +1,112 @@
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diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/clearspd.dsp b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/clearspd.dsp
new file mode 100644
index 000000000..440c7ae64
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/clearspd.dsp
@@ -0,0 +1,112 @@
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+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /machine:I386 /out:"../clearspd.exe"

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+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /debug /machine:I386 /out:"../clearspd.exe" /pdbtype:sept

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new file mode 100644
index 000000000..220a3a0df
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/cubemap.dsp
@@ -0,0 +1,112 @@
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+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /debug /machine:I386 /out:"../cubemap.exe" /pdbtype:sept

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diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/demos.dsw b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/demos.dsw
new file mode 100644
index 000000000..2d6f629e0
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/demos.dsw
@@ -0,0 +1,782 @@
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+Package=<4>

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diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/drawpix.dsp b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/drawpix.dsp
new file mode 100644
index 000000000..57003e616
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/drawpix.dsp
@@ -0,0 +1,112 @@
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+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /machine:I386 /out:"../drawpix.exe"

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+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /debug /machine:I386 /out:"../drawpix.exe" /pdbtype:sept

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diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/fire.dsp b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/fire.dsp
new file mode 100644
index 000000000..f8a536d33
--- /dev/null
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@@ -0,0 +1,112 @@
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+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /machine:I386 /out:"../fire.exe"

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+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /debug /machine:I386 /out:"../fire.exe" /pdbtype:sept

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diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/gears.dsp b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/gears.dsp
new file mode 100644
index 000000000..43a588dc6
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/gears.dsp
@@ -0,0 +1,112 @@
+# Microsoft Developer Studio Project File - Name="gears" - Package Owner=<4>

+# Microsoft Developer Studio Generated Build File, Format Version 6.00

+# ** DO NOT EDIT **

+

+# TARGTYPE "Win32 (x86) Console Application" 0x0103

+

+CFG=gears - Win32 Debug

+!MESSAGE This is not a valid makefile. To build this project using NMAKE,

+!MESSAGE use the Export Makefile command and run

+!MESSAGE 

+!MESSAGE NMAKE /f "gears.mak".

+!MESSAGE 

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+# Begin Project

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+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /machine:I386 /out:"../gears.exe"

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+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /debug /machine:I386 /out:"../gears.exe" /pdbtype:sept

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diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/geartrain.dsp b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/geartrain.dsp
new file mode 100644
index 000000000..8dee77de4
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/geartrain.dsp
@@ -0,0 +1,112 @@
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+# Microsoft Developer Studio Generated Build File, Format Version 6.00

+# ** DO NOT EDIT **

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+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /machine:I386 /out:"../geartrain.exe"

+# Begin Special Build Tool

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+

+!ELSEIF  "$(CFG)" == "geartrain - Win32 Debug"

+

+# PROP BASE Use_MFC 0

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+# ADD BASE CPP /nologo /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD CPP /nologo /W3 /Gm /GX /ZI /Od /I "../../../include" /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD BASE RSC /l 0x409 /d "_DEBUG"

+# ADD RSC /l 0x409 /d "_DEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /debug /machine:I386 /out:"../geartrain.exe" /pdbtype:sept

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

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+# Name "geartrain - Win32 Release"

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+# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat"

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+# PROP Default_Filter "ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe"

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diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/glinfo.dsp b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/glinfo.dsp
new file mode 100644
index 000000000..d9d61eb42
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/glinfo.dsp
@@ -0,0 +1,112 @@
+# Microsoft Developer Studio Project File - Name="glinfo" - Package Owner=<4>

+# Microsoft Developer Studio Generated Build File, Format Version 6.00

+# ** DO NOT EDIT **

+

+# TARGTYPE "Win32 (x86) Console Application" 0x0103

+

+CFG=glinfo - Win32 Debug

+!MESSAGE This is not a valid makefile. To build this project using NMAKE,

+!MESSAGE use the Export Makefile command and run

+!MESSAGE 

+!MESSAGE NMAKE /f "glinfo.mak".

+!MESSAGE 

+!MESSAGE You can specify a configuration when running NMAKE

+!MESSAGE by defining the macro CFG on the command line. For example:

+!MESSAGE 

+!MESSAGE NMAKE /f "glinfo.mak" CFG="glinfo - Win32 Debug"

+!MESSAGE 

+!MESSAGE Possible choices for configuration are:

+!MESSAGE 

+!MESSAGE "glinfo - Win32 Release" (based on "Win32 (x86) Console Application")

+!MESSAGE "glinfo - Win32 Debug" (based on "Win32 (x86) Console Application")

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+

+# Begin Project

+# PROP AllowPerConfigDependencies 0

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+CPP=cl.exe

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+!IF  "$(CFG)" == "glinfo - Win32 Release"

+

+# PROP BASE Use_MFC 0

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+# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD CPP /nologo /W3 /GX /O2 /I "../../../include" /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD BASE RSC /l 0x409 /d "NDEBUG"

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+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /machine:I386 /out:"../glinfo.exe"

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

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+!ELSEIF  "$(CFG)" == "glinfo - Win32 Debug"

+

+# PROP BASE Use_MFC 0

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+# ADD BASE RSC /l 0x409 /d "_DEBUG"

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+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /debug /machine:I386 /out:"../glinfo.exe" /pdbtype:sept

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

+PostBuild_Desc=Copy DLLs

+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

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+# Begin Target

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+# Name "glinfo - Win32 Release"

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+# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat"

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+SOURCE=..\glinfo.c

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+# PROP Default_Filter "ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe"

+# End Group

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diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/gloss.dsp b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/gloss.dsp
new file mode 100644
index 000000000..402d291f4
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/gloss.dsp
@@ -0,0 +1,112 @@
+# Microsoft Developer Studio Project File - Name="gloss" - Package Owner=<4>

+# Microsoft Developer Studio Generated Build File, Format Version 6.00

+# ** DO NOT EDIT **

+

+# TARGTYPE "Win32 (x86) Console Application" 0x0103

+

+CFG=gloss - Win32 Debug

+!MESSAGE This is not a valid makefile. To build this project using NMAKE,

+!MESSAGE use the Export Makefile command and run

+!MESSAGE 

+!MESSAGE NMAKE /f "gloss.mak".

+!MESSAGE 

+!MESSAGE You can specify a configuration when running NMAKE

+!MESSAGE by defining the macro CFG on the command line. For example:

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+!MESSAGE Possible choices for configuration are:

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+# Begin Project

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+!IF  "$(CFG)" == "gloss - Win32 Release"

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+# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD CPP /nologo /W3 /GX /O2 /I "../../util" /I "../../../include" /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD BASE RSC /l 0x409 /d "NDEBUG"

+# ADD RSC /l 0x409 /d "NDEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /machine:I386 /out:"../gloss.exe"

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

+PostBuild_Desc=Copy DLLs

+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

+# End Special Build Tool

+

+!ELSEIF  "$(CFG)" == "gloss - Win32 Debug"

+

+# PROP BASE Use_MFC 0

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+# ADD BASE CPP /nologo /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD CPP /nologo /W3 /Gm /GX /ZI /Od /I "../../util" /I "../../../include" /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD BASE RSC /l 0x409 /d "_DEBUG"

+# ADD RSC /l 0x409 /d "_DEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

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+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /debug /machine:I386 /out:"../gloss.exe" /pdbtype:sept

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

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+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

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+# Begin Target

+

+# Name "gloss - Win32 Release"

+# Name "gloss - Win32 Debug"

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+# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat"

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+# End Group

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+# End Project

diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/gltestperf.dsp b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/gltestperf.dsp
new file mode 100644
index 000000000..e50662015
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/gltestperf.dsp
@@ -0,0 +1,112 @@
+# Microsoft Developer Studio Project File - Name="gltestperf" - Package Owner=<4>

+# Microsoft Developer Studio Generated Build File, Format Version 6.00

+# ** DO NOT EDIT **

+

+# TARGTYPE "Win32 (x86) Console Application" 0x0103

+

+CFG=gltestperf - Win32 Debug

+!MESSAGE This is not a valid makefile. To build this project using NMAKE,

+!MESSAGE use the Export Makefile command and run

+!MESSAGE 

+!MESSAGE NMAKE /f "gltestperf.mak".

+!MESSAGE 

+!MESSAGE You can specify a configuration when running NMAKE

+!MESSAGE by defining the macro CFG on the command line. For example:

+!MESSAGE 

+!MESSAGE NMAKE /f "gltestperf.mak" CFG="gltestperf - Win32 Debug"

+!MESSAGE 

+!MESSAGE Possible choices for configuration are:

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+!MESSAGE "gltestperf - Win32 Release" (based on "Win32 (x86) Console Application")

+!MESSAGE "gltestperf - Win32 Debug" (based on "Win32 (x86) Console Application")

+!MESSAGE 

+

+# Begin Project

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+

+!IF  "$(CFG)" == "gltestperf - Win32 Release"

+

+# PROP BASE Use_MFC 0

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+# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD CPP /nologo /W3 /GX /O2 /I "../../../include" /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD BASE RSC /l 0x409 /d "NDEBUG"

+# ADD RSC /l 0x409 /d "NDEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /machine:I386 /out:"../gltestperf.exe"

+# Begin Special Build Tool

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+# End Special Build Tool

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+!ELSEIF  "$(CFG)" == "gltestperf - Win32 Debug"

+

+# PROP BASE Use_MFC 0

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+# ADD BASE CPP /nologo /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

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+# ADD BASE RSC /l 0x409 /d "_DEBUG"

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+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

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+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /debug /machine:I386 /out:"../gltestperf.exe" /pdbtype:sept

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

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+# Name "gltestperf - Win32 Release"

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+# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat"

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+

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+# End Group

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diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/glutfx.dsp b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/glutfx.dsp
new file mode 100644
index 000000000..90eca930d
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/glutfx.dsp
@@ -0,0 +1,112 @@
+# Microsoft Developer Studio Project File - Name="glutfx" - Package Owner=<4>

+# Microsoft Developer Studio Generated Build File, Format Version 6.00

+# ** DO NOT EDIT **

+

+# TARGTYPE "Win32 (x86) Console Application" 0x0103

+

+CFG=glutfx - Win32 Debug

+!MESSAGE This is not a valid makefile. To build this project using NMAKE,

+!MESSAGE use the Export Makefile command and run

+!MESSAGE 

+!MESSAGE NMAKE /f "glutfx.mak".

+!MESSAGE 

+!MESSAGE You can specify a configuration when running NMAKE

+!MESSAGE by defining the macro CFG on the command line. For example:

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+!MESSAGE NMAKE /f "glutfx.mak" CFG="glutfx - Win32 Debug"

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+!MESSAGE Possible choices for configuration are:

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+!MESSAGE "glutfx - Win32 Release" (based on "Win32 (x86) Console Application")

+!MESSAGE "glutfx - Win32 Debug" (based on "Win32 (x86) Console Application")

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+# Begin Project

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+CPP=cl.exe

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+

+!IF  "$(CFG)" == "glutfx - Win32 Release"

+

+# PROP BASE Use_MFC 0

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+# PROP Ignore_Export_Lib 0

+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD CPP /nologo /W3 /GX /O2 /I "../../../include" /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD BASE RSC /l 0x409 /d "NDEBUG"

+# ADD RSC /l 0x409 /d "NDEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /machine:I386 /out:"../glutfx.exe"

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

+PostBuild_Desc=Copy DLLs

+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

+# End Special Build Tool

+

+!ELSEIF  "$(CFG)" == "glutfx - Win32 Debug"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 1

+# PROP BASE Output_Dir "Debug"

+# PROP BASE Intermediate_Dir "Debug"

+# PROP BASE Target_Dir ""

+# PROP Use_MFC 0

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+# PROP Ignore_Export_Lib 0

+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD CPP /nologo /W3 /Gm /GX /ZI /Od /I "../../../include" /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD BASE RSC /l 0x409 /d "_DEBUG"

+# ADD RSC /l 0x409 /d "_DEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /debug /machine:I386 /out:"../glutfx.exe" /pdbtype:sept

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

+PostBuild_Desc=Copy DLLs

+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

+# End Special Build Tool

+

+!ENDIF 

+

+# Begin Target

+

+# Name "glutfx - Win32 Release"

+# Name "glutfx - Win32 Debug"

+# Begin Group "Source Files"

+

+# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat"

+# Begin Source File

+

+SOURCE=..\glutfx.c

+# End Source File

+# End Group

+# Begin Group "Header Files"

+

+# PROP Default_Filter "h;hpp;hxx;hm;inl"

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+# Begin Group "Resource Files"

+

+# PROP Default_Filter "ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe"

+# End Group

+# End Target

+# End Project

diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/ipers.dsp b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/ipers.dsp
new file mode 100644
index 000000000..430f1b625
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/ipers.dsp
@@ -0,0 +1,112 @@
+# Microsoft Developer Studio Project File - Name="ipers" - Package Owner=<4>

+# Microsoft Developer Studio Generated Build File, Format Version 6.00

+# ** DO NOT EDIT **

+

+# TARGTYPE "Win32 (x86) Console Application" 0x0103

+

+CFG=ipers - Win32 Debug

+!MESSAGE This is not a valid makefile. To build this project using NMAKE,

+!MESSAGE use the Export Makefile command and run

+!MESSAGE 

+!MESSAGE NMAKE /f "ipers.mak".

+!MESSAGE 

+!MESSAGE You can specify a configuration when running NMAKE

+!MESSAGE by defining the macro CFG on the command line. For example:

+!MESSAGE 

+!MESSAGE NMAKE /f "ipers.mak" CFG="ipers - Win32 Debug"

+!MESSAGE 

+!MESSAGE Possible choices for configuration are:

+!MESSAGE 

+!MESSAGE "ipers - Win32 Release" (based on "Win32 (x86) Console Application")

+!MESSAGE "ipers - Win32 Debug" (based on "Win32 (x86) Console Application")

+!MESSAGE 

+

+# Begin Project

+# PROP AllowPerConfigDependencies 0

+# PROP Scc_ProjName ""

+# PROP Scc_LocalPath ""

+CPP=cl.exe

+RSC=rc.exe

+

+!IF  "$(CFG)" == "ipers - Win32 Release"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 0

+# PROP BASE Output_Dir "Release"

+# PROP BASE Intermediate_Dir "Release"

+# PROP BASE Target_Dir ""

+# PROP Use_MFC 0

+# PROP Use_Debug_Libraries 0

+# PROP Output_Dir "Release"

+# PROP Intermediate_Dir "Release"

+# PROP Ignore_Export_Lib 0

+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD CPP /nologo /W3 /GX /O2 /I "../../util" /I "../../../include" /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD BASE RSC /l 0x409 /d "NDEBUG"

+# ADD RSC /l 0x409 /d "NDEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /machine:I386 /out:"../ipers.exe"

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

+PostBuild_Desc=Copy DLLs

+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

+# End Special Build Tool

+

+!ELSEIF  "$(CFG)" == "ipers - Win32 Debug"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 1

+# PROP BASE Output_Dir "Debug"

+# PROP BASE Intermediate_Dir "Debug"

+# PROP BASE Target_Dir ""

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+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD CPP /nologo /W3 /Gm /GX /ZI /Od /I "../../util" /I "../../../include" /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD BASE RSC /l 0x409 /d "_DEBUG"

+# ADD RSC /l 0x409 /d "_DEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /debug /machine:I386 /out:"../ipers.exe" /pdbtype:sept

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

+PostBuild_Desc=Copy DLLs

+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

+# End Special Build Tool

+

+!ENDIF 

+

+# Begin Target

+

+# Name "ipers - Win32 Release"

+# Name "ipers - Win32 Debug"

+# Begin Group "Source Files"

+

+# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat"

+# Begin Source File

+

+SOURCE=..\ipers.c

+# End Source File

+# End Group

+# Begin Group "Header Files"

+

+# PROP Default_Filter "h;hpp;hxx;hm;inl"

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+# Begin Group "Resource Files"

+

+# PROP Default_Filter "ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe"

+# End Group

+# End Target

+# End Project

diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/isosurf.dsp b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/isosurf.dsp
new file mode 100644
index 000000000..1c59d4008
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/isosurf.dsp
@@ -0,0 +1,112 @@
+# Microsoft Developer Studio Project File - Name="isosurf" - Package Owner=<4>

+# Microsoft Developer Studio Generated Build File, Format Version 6.00

+# ** DO NOT EDIT **

+

+# TARGTYPE "Win32 (x86) Console Application" 0x0103

+

+CFG=isosurf - Win32 Debug

+!MESSAGE This is not a valid makefile. To build this project using NMAKE,

+!MESSAGE use the Export Makefile command and run

+!MESSAGE 

+!MESSAGE NMAKE /f "isosurf.mak".

+!MESSAGE 

+!MESSAGE You can specify a configuration when running NMAKE

+!MESSAGE by defining the macro CFG on the command line. For example:

+!MESSAGE 

+!MESSAGE NMAKE /f "isosurf.mak" CFG="isosurf - Win32 Debug"

+!MESSAGE 

+!MESSAGE Possible choices for configuration are:

+!MESSAGE 

+!MESSAGE "isosurf - Win32 Release" (based on "Win32 (x86) Console Application")

+!MESSAGE "isosurf - Win32 Debug" (based on "Win32 (x86) Console Application")

+!MESSAGE 

+

+# Begin Project

+# PROP AllowPerConfigDependencies 0

+# PROP Scc_ProjName ""

+# PROP Scc_LocalPath ""

+CPP=cl.exe

+RSC=rc.exe

+

+!IF  "$(CFG)" == "isosurf - Win32 Release"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 0

+# PROP BASE Output_Dir "Release"

+# PROP BASE Intermediate_Dir "Release"

+# PROP BASE Target_Dir ""

+# PROP Use_MFC 0

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+# PROP Output_Dir "Release"

+# PROP Intermediate_Dir "Release"

+# PROP Ignore_Export_Lib 0

+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD CPP /nologo /W3 /GX /O2 /I "../../util" /I "../../../include" /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD BASE RSC /l 0x409 /d "NDEBUG"

+# ADD RSC /l 0x409 /d "NDEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /machine:I386 /out:"../isosurf.exe"

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

+PostBuild_Desc=Copy DLLs

+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

+# End Special Build Tool

+

+!ELSEIF  "$(CFG)" == "isosurf - Win32 Debug"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 1

+# PROP BASE Output_Dir "Debug"

+# PROP BASE Intermediate_Dir "Debug"

+# PROP BASE Target_Dir ""

+# PROP Use_MFC 0

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+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD CPP /nologo /W3 /Gm /GX /ZI /Od /I "../../util" /I "../../../include" /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD BASE RSC /l 0x409 /d "_DEBUG"

+# ADD RSC /l 0x409 /d "_DEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /debug /machine:I386 /out:"../isosurf.exe" /pdbtype:sept

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

+PostBuild_Desc=Copy DLLs

+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

+# End Special Build Tool

+

+!ENDIF 

+

+# Begin Target

+

+# Name "isosurf - Win32 Release"

+# Name "isosurf - Win32 Debug"

+# Begin Group "Source Files"

+

+# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat"

+# Begin Source File

+

+SOURCE=..\isosurf.c

+# End Source File

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+

+# PROP Default_Filter "h;hpp;hxx;hm;inl"

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+

+# PROP Default_Filter "ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe"

+# End Group

+# End Target

+# End Project

diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/loadbias.dsp b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/loadbias.dsp
new file mode 100644
index 000000000..ed51960e4
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/loadbias.dsp
@@ -0,0 +1,112 @@
+# Microsoft Developer Studio Project File - Name="lodbias" - Package Owner=<4>

+# Microsoft Developer Studio Generated Build File, Format Version 6.00

+# ** DO NOT EDIT **

+

+# TARGTYPE "Win32 (x86) Console Application" 0x0103

+

+CFG=lodbias - Win32 Debug

+!MESSAGE This is not a valid makefile. To build this project using NMAKE,

+!MESSAGE use the Export Makefile command and run

+!MESSAGE 

+!MESSAGE NMAKE /f "lodbias.mak".

+!MESSAGE 

+!MESSAGE You can specify a configuration when running NMAKE

+!MESSAGE by defining the macro CFG on the command line. For example:

+!MESSAGE 

+!MESSAGE NMAKE /f "lodbias.mak" CFG="lodbias - Win32 Debug"

+!MESSAGE 

+!MESSAGE Possible choices for configuration are:

+!MESSAGE 

+!MESSAGE "lodbias - Win32 Release" (based on "Win32 (x86) Console Application")

+!MESSAGE "lodbias - Win32 Debug" (based on "Win32 (x86) Console Application")

+!MESSAGE 

+

+# Begin Project

+# PROP AllowPerConfigDependencies 0

+# PROP Scc_ProjName ""

+# PROP Scc_LocalPath ""

+CPP=cl.exe

+RSC=rc.exe

+

+!IF  "$(CFG)" == "lodbias - Win32 Release"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 0

+# PROP BASE Output_Dir "Release"

+# PROP BASE Intermediate_Dir "Release"

+# PROP BASE Target_Dir ""

+# PROP Use_MFC 0

+# PROP Use_Debug_Libraries 0

+# PROP Output_Dir "Release"

+# PROP Intermediate_Dir "Release"

+# PROP Ignore_Export_Lib 0

+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD CPP /nologo /W3 /GX /O2 /I "../../util" /I "../../../include" /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD BASE RSC /l 0x409 /d "NDEBUG"

+# ADD RSC /l 0x409 /d "NDEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /machine:I386 /out:"../lodbias.exe"

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

+PostBuild_Desc=Copy DLLs

+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

+# End Special Build Tool

+

+!ELSEIF  "$(CFG)" == "lodbias - Win32 Debug"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 1

+# PROP BASE Output_Dir "Debug"

+# PROP BASE Intermediate_Dir "Debug"

+# PROP BASE Target_Dir ""

+# PROP Use_MFC 0

+# PROP Use_Debug_Libraries 1

+# PROP Output_Dir "Debug"

+# PROP Intermediate_Dir "Debug"

+# PROP Ignore_Export_Lib 0

+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD CPP /nologo /W3 /Gm /GX /ZI /Od /I "../../util" /I "../../../include" /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD BASE RSC /l 0x409 /d "_DEBUG"

+# ADD RSC /l 0x409 /d "_DEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /debug /machine:I386 /out:"../lodbias.exe" /pdbtype:sept

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

+PostBuild_Desc=Copy DLLs

+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

+# End Special Build Tool

+

+!ENDIF 

+

+# Begin Target

+

+# Name "lodbias - Win32 Release"

+# Name "lodbias - Win32 Debug"

+# Begin Group "Source Files"

+

+# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat"

+# Begin Source File

+

+SOURCE=..\lodbias.c

+# End Source File

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+

+# PROP Default_Filter "h;hpp;hxx;hm;inl"

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+

+# PROP Default_Filter "ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe"

+# End Group

+# End Target

+# End Project

diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/morph3d.dsp b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/morph3d.dsp
new file mode 100644
index 000000000..247dbf03d
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/morph3d.dsp
@@ -0,0 +1,112 @@
+# Microsoft Developer Studio Project File - Name="morph3d" - Package Owner=<4>

+# Microsoft Developer Studio Generated Build File, Format Version 6.00

+# ** DO NOT EDIT **

+

+# TARGTYPE "Win32 (x86) Console Application" 0x0103

+

+CFG=morph3d - Win32 Debug

+!MESSAGE This is not a valid makefile. To build this project using NMAKE,

+!MESSAGE use the Export Makefile command and run

+!MESSAGE 

+!MESSAGE NMAKE /f "morph3d.mak".

+!MESSAGE 

+!MESSAGE You can specify a configuration when running NMAKE

+!MESSAGE by defining the macro CFG on the command line. For example:

+!MESSAGE 

+!MESSAGE NMAKE /f "morph3d.mak" CFG="morph3d - Win32 Debug"

+!MESSAGE 

+!MESSAGE Possible choices for configuration are:

+!MESSAGE 

+!MESSAGE "morph3d - Win32 Release" (based on "Win32 (x86) Console Application")

+!MESSAGE "morph3d - Win32 Debug" (based on "Win32 (x86) Console Application")

+!MESSAGE 

+

+# Begin Project

+# PROP AllowPerConfigDependencies 0

+# PROP Scc_ProjName ""

+# PROP Scc_LocalPath ""

+CPP=cl.exe

+RSC=rc.exe

+

+!IF  "$(CFG)" == "morph3d - Win32 Release"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 0

+# PROP BASE Output_Dir "Release"

+# PROP BASE Intermediate_Dir "Release"

+# PROP BASE Target_Dir ""

+# PROP Use_MFC 0

+# PROP Use_Debug_Libraries 0

+# PROP Output_Dir "Release"

+# PROP Intermediate_Dir "Release"

+# PROP Ignore_Export_Lib 0

+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD CPP /nologo /W3 /GX /O2 /I "../../../include" /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD BASE RSC /l 0x409 /d "NDEBUG"

+# ADD RSC /l 0x409 /d "NDEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /machine:I386 /out:"../morph3d.exe"

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

+PostBuild_Desc=Copy DLLs

+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

+# End Special Build Tool

+

+!ELSEIF  "$(CFG)" == "morph3d - Win32 Debug"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 1

+# PROP BASE Output_Dir "Debug"

+# PROP BASE Intermediate_Dir "Debug"

+# PROP BASE Target_Dir ""

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+# PROP Ignore_Export_Lib 0

+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD CPP /nologo /W3 /Gm /GX /ZI /Od /I "../../../include" /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD BASE RSC /l 0x409 /d "_DEBUG"

+# ADD RSC /l 0x409 /d "_DEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /debug /machine:I386 /out:"../morph3d.exe" /pdbtype:sept

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

+PostBuild_Desc=Copy DLLs

+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

+# End Special Build Tool

+

+!ENDIF 

+

+# Begin Target

+

+# Name "morph3d - Win32 Release"

+# Name "morph3d - Win32 Debug"

+# Begin Group "Source Files"

+

+# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat"

+# Begin Source File

+

+SOURCE=..\morph3d.c

+# End Source File

+# End Group

+# Begin Group "Header Files"

+

+# PROP Default_Filter "h;hpp;hxx;hm;inl"

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+# Begin Group "Resource Files"

+

+# PROP Default_Filter "ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe"

+# End Group

+# End Target

+# End Project

diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/multiarb.dsp b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/multiarb.dsp
new file mode 100644
index 000000000..57c32deb2
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/multiarb.dsp
@@ -0,0 +1,112 @@
+# Microsoft Developer Studio Project File - Name="multiarb" - Package Owner=<4>

+# Microsoft Developer Studio Generated Build File, Format Version 6.00

+# ** DO NOT EDIT **

+

+# TARGTYPE "Win32 (x86) Console Application" 0x0103

+

+CFG=multiarb - Win32 Debug

+!MESSAGE This is not a valid makefile. To build this project using NMAKE,

+!MESSAGE use the Export Makefile command and run

+!MESSAGE 

+!MESSAGE NMAKE /f "multiarb.mak".

+!MESSAGE 

+!MESSAGE You can specify a configuration when running NMAKE

+!MESSAGE by defining the macro CFG on the command line. For example:

+!MESSAGE 

+!MESSAGE NMAKE /f "multiarb.mak" CFG="multiarb - Win32 Debug"

+!MESSAGE 

+!MESSAGE Possible choices for configuration are:

+!MESSAGE 

+!MESSAGE "multiarb - Win32 Release" (based on "Win32 (x86) Console Application")

+!MESSAGE "multiarb - Win32 Debug" (based on "Win32 (x86) Console Application")

+!MESSAGE 

+

+# Begin Project

+# PROP AllowPerConfigDependencies 0

+# PROP Scc_ProjName ""

+# PROP Scc_LocalPath ""

+CPP=cl.exe

+RSC=rc.exe

+

+!IF  "$(CFG)" == "multiarb - Win32 Release"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 0

+# PROP BASE Output_Dir "Release"

+# PROP BASE Intermediate_Dir "Release"

+# PROP BASE Target_Dir ""

+# PROP Use_MFC 0

+# PROP Use_Debug_Libraries 0

+# PROP Output_Dir "Release"

+# PROP Intermediate_Dir "Release"

+# PROP Ignore_Export_Lib 0

+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD CPP /nologo /W3 /GX /O2 /I "../../util" /I "../../../include" /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD BASE RSC /l 0x409 /d "NDEBUG"

+# ADD RSC /l 0x409 /d "NDEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /machine:I386 /out:"../multiarb.exe"

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

+PostBuild_Desc=Copy DLLs

+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

+# End Special Build Tool

+

+!ELSEIF  "$(CFG)" == "multiarb - Win32 Debug"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 1

+# PROP BASE Output_Dir "Debug"

+# PROP BASE Intermediate_Dir "Debug"

+# PROP BASE Target_Dir ""

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+# PROP Output_Dir "Debug"

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+# PROP Ignore_Export_Lib 0

+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD CPP /nologo /W3 /Gm /GX /ZI /Od /I "../../util" /I "../../../include" /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD BASE RSC /l 0x409 /d "_DEBUG"

+# ADD RSC /l 0x409 /d "_DEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /debug /machine:I386 /out:"../multiarb.exe" /pdbtype:sept

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

+PostBuild_Desc=Copy DLLs

+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

+# End Special Build Tool

+

+!ENDIF 

+

+# Begin Target

+

+# Name "multiarb - Win32 Release"

+# Name "multiarb - Win32 Debug"

+# Begin Group "Source Files"

+

+# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat"

+# Begin Source File

+

+SOURCE=..\multiarb.c

+# End Source File

+# End Group

+# Begin Group "Header Files"

+

+# PROP Default_Filter "h;hpp;hxx;hm;inl"

+# End Group

+# Begin Group "Resource Files"

+

+# PROP Default_Filter "ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe"

+# End Group

+# End Target

+# End Project

diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/occlude.dsp b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/occlude.dsp
new file mode 100644
index 000000000..ca4afa579
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/occlude.dsp
@@ -0,0 +1,112 @@
+# Microsoft Developer Studio Project File - Name="occlude" - Package Owner=<4>

+# Microsoft Developer Studio Generated Build File, Format Version 6.00

+# ** DO NOT EDIT **

+

+# TARGTYPE "Win32 (x86) Console Application" 0x0103

+

+CFG=occlude - Win32 Debug

+!MESSAGE This is not a valid makefile. To build this project using NMAKE,

+!MESSAGE use the Export Makefile command and run

+!MESSAGE 

+!MESSAGE NMAKE /f "occlude.mak".

+!MESSAGE 

+!MESSAGE You can specify a configuration when running NMAKE

+!MESSAGE by defining the macro CFG on the command line. For example:

+!MESSAGE 

+!MESSAGE NMAKE /f "occlude.mak" CFG="occlude - Win32 Debug"

+!MESSAGE 

+!MESSAGE Possible choices for configuration are:

+!MESSAGE 

+!MESSAGE "occlude - Win32 Release" (based on "Win32 (x86) Console Application")

+!MESSAGE "occlude - Win32 Debug" (based on "Win32 (x86) Console Application")

+!MESSAGE 

+

+# Begin Project

+# PROP AllowPerConfigDependencies 0

+# PROP Scc_ProjName ""

+# PROP Scc_LocalPath ""

+CPP=cl.exe

+RSC=rc.exe

+

+!IF  "$(CFG)" == "occlude - Win32 Release"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 0

+# PROP BASE Output_Dir "Release"

+# PROP BASE Intermediate_Dir "Release"

+# PROP BASE Target_Dir ""

+# PROP Use_MFC 0

+# PROP Use_Debug_Libraries 0

+# PROP Output_Dir "Release"

+# PROP Intermediate_Dir "Release"

+# PROP Ignore_Export_Lib 0

+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD CPP /nologo /W3 /GX /O2 /I "../../../include" /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD BASE RSC /l 0x409 /d "NDEBUG"

+# ADD RSC /l 0x409 /d "NDEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /machine:I386 /out:"../occlude.exe"

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

+PostBuild_Desc=Copy DLLs

+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

+# End Special Build Tool

+

+!ELSEIF  "$(CFG)" == "occlude - Win32 Debug"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 1

+# PROP BASE Output_Dir "Debug"

+# PROP BASE Intermediate_Dir "Debug"

+# PROP BASE Target_Dir ""

+# PROP Use_MFC 0

+# PROP Use_Debug_Libraries 1

+# PROP Output_Dir "Debug"

+# PROP Intermediate_Dir "Debug"

+# PROP Ignore_Export_Lib 0

+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD CPP /nologo /W3 /Gm /GX /ZI /Od /I "../../../include" /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD BASE RSC /l 0x409 /d "_DEBUG"

+# ADD RSC /l 0x409 /d "_DEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /debug /machine:I386 /out:"../occlude.exe" /pdbtype:sept

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

+PostBuild_Desc=Copy DLLs

+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

+# End Special Build Tool

+

+!ENDIF 

+

+# Begin Target

+

+# Name "occlude - Win32 Release"

+# Name "occlude - Win32 Debug"

+# Begin Group "Source Files"

+

+# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat"

+# Begin Source File

+

+SOURCE=..\occlude.c

+# End Source File

+# End Group

+# Begin Group "Header Files"

+

+# PROP Default_Filter "h;hpp;hxx;hm;inl"

+# End Group

+# Begin Group "Resource Files"

+

+# PROP Default_Filter "ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe"

+# End Group

+# End Target

+# End Project

diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/osdemo.dsp b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/osdemo.dsp
new file mode 100644
index 000000000..ccaa6d2b4
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/osdemo.dsp
@@ -0,0 +1,112 @@
+# Microsoft Developer Studio Project File - Name="osdemo" - Package Owner=<4>

+# Microsoft Developer Studio Generated Build File, Format Version 6.00

+# ** DO NOT EDIT **

+

+# TARGTYPE "Win32 (x86) Console Application" 0x0103

+

+CFG=osdemo - Win32 Debug

+!MESSAGE This is not a valid makefile. To build this project using NMAKE,

+!MESSAGE use the Export Makefile command and run

+!MESSAGE 

+!MESSAGE NMAKE /f "osdemo.mak".

+!MESSAGE 

+!MESSAGE You can specify a configuration when running NMAKE

+!MESSAGE by defining the macro CFG on the command line. For example:

+!MESSAGE 

+!MESSAGE NMAKE /f "osdemo.mak" CFG="osdemo - Win32 Debug"

+!MESSAGE 

+!MESSAGE Possible choices for configuration are:

+!MESSAGE 

+!MESSAGE "osdemo - Win32 Release" (based on "Win32 (x86) Console Application")

+!MESSAGE "osdemo - Win32 Debug" (based on "Win32 (x86) Console Application")

+!MESSAGE 

+

+# Begin Project

+# PROP AllowPerConfigDependencies 0

+# PROP Scc_ProjName ""

+# PROP Scc_LocalPath ""

+CPP=cl.exe

+RSC=rc.exe

+

+!IF  "$(CFG)" == "osdemo - Win32 Release"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 0

+# PROP BASE Output_Dir "Release"

+# PROP BASE Intermediate_Dir "Release"

+# PROP BASE Target_Dir ""

+# PROP Use_MFC 0

+# PROP Use_Debug_Libraries 0

+# PROP Output_Dir "Release"

+# PROP Intermediate_Dir "Release"

+# PROP Ignore_Export_Lib 0

+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD CPP /nologo /W3 /GX /O2 /I "../../../include" /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD BASE RSC /l 0x409 /d "NDEBUG"

+# ADD RSC /l 0x409 /d "NDEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB ../../../lib/OSMESA32.LIB /nologo /subsystem:console /machine:I386 /out:"../osdemo.exe"

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

+PostBuild_Desc=Copy DLLs

+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

+# End Special Build Tool

+

+!ELSEIF  "$(CFG)" == "osdemo - Win32 Debug"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 1

+# PROP BASE Output_Dir "Debug"

+# PROP BASE Intermediate_Dir "Debug"

+# PROP BASE Target_Dir ""

+# PROP Use_MFC 0

+# PROP Use_Debug_Libraries 1

+# PROP Output_Dir "Debug"

+# PROP Intermediate_Dir "Debug"

+# PROP Ignore_Export_Lib 0

+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD CPP /nologo /W3 /Gm /GX /ZI /Od /I "../../../include" /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD BASE RSC /l 0x409 /d "_DEBUG"

+# ADD RSC /l 0x409 /d "_DEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB ../../../lib/OSMESA32.LIB /nologo /subsystem:console /debug /machine:I386 /out:"../osdemo.exe" /pdbtype:sept

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

+PostBuild_Desc=Copy DLLs

+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

+# End Special Build Tool

+

+!ENDIF 

+

+# Begin Target

+

+# Name "osdemo - Win32 Release"

+# Name "osdemo - Win32 Debug"

+# Begin Group "Source Files"

+

+# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat"

+# Begin Source File

+

+SOURCE=..\osdemo.c

+# End Source File

+# End Group

+# Begin Group "Header Files"

+

+# PROP Default_Filter "h;hpp;hxx;hm;inl"

+# End Group

+# Begin Group "Resource Files"

+

+# PROP Default_Filter "ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe"

+# End Group

+# End Target

+# End Project

diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/paltex.dsp b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/paltex.dsp
new file mode 100644
index 000000000..efc638421
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/paltex.dsp
@@ -0,0 +1,112 @@
+# Microsoft Developer Studio Project File - Name="paltex" - Package Owner=<4>

+# Microsoft Developer Studio Generated Build File, Format Version 6.00

+# ** DO NOT EDIT **

+

+# TARGTYPE "Win32 (x86) Console Application" 0x0103

+

+CFG=paltex - Win32 Debug

+!MESSAGE This is not a valid makefile. To build this project using NMAKE,

+!MESSAGE use the Export Makefile command and run

+!MESSAGE 

+!MESSAGE NMAKE /f "paltex.mak".

+!MESSAGE 

+!MESSAGE You can specify a configuration when running NMAKE

+!MESSAGE by defining the macro CFG on the command line. For example:

+!MESSAGE 

+!MESSAGE NMAKE /f "paltex.mak" CFG="paltex - Win32 Debug"

+!MESSAGE 

+!MESSAGE Possible choices for configuration are:

+!MESSAGE 

+!MESSAGE "paltex - Win32 Release" (based on "Win32 (x86) Console Application")

+!MESSAGE "paltex - Win32 Debug" (based on "Win32 (x86) Console Application")

+!MESSAGE 

+

+# Begin Project

+# PROP AllowPerConfigDependencies 0

+# PROP Scc_ProjName ""

+# PROP Scc_LocalPath ""

+CPP=cl.exe

+RSC=rc.exe

+

+!IF  "$(CFG)" == "paltex - Win32 Release"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 0

+# PROP BASE Output_Dir "Release"

+# PROP BASE Intermediate_Dir "Release"

+# PROP BASE Target_Dir ""

+# PROP Use_MFC 0

+# PROP Use_Debug_Libraries 0

+# PROP Output_Dir "Release"

+# PROP Intermediate_Dir "Release"

+# PROP Ignore_Export_Lib 0

+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD CPP /nologo /W3 /GX /O2 /I "../../../include" /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD BASE RSC /l 0x409 /d "NDEBUG"

+# ADD RSC /l 0x409 /d "NDEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /machine:I386 /out:"../paltex.exe"

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

+PostBuild_Desc=Copy DLLs

+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

+# End Special Build Tool

+

+!ELSEIF  "$(CFG)" == "paltex - Win32 Debug"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 1

+# PROP BASE Output_Dir "Debug"

+# PROP BASE Intermediate_Dir "Debug"

+# PROP BASE Target_Dir ""

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+# PROP Intermediate_Dir "Debug"

+# PROP Ignore_Export_Lib 0

+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD CPP /nologo /W3 /Gm /GX /ZI /Od /I "../../../include" /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD BASE RSC /l 0x409 /d "_DEBUG"

+# ADD RSC /l 0x409 /d "_DEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /debug /machine:I386 /out:"../paltex.exe" /pdbtype:sept

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

+PostBuild_Desc=Copy DLLs

+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

+# End Special Build Tool

+

+!ENDIF 

+

+# Begin Target

+

+# Name "paltex - Win32 Release"

+# Name "paltex - Win32 Debug"

+# Begin Group "Source Files"

+

+# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat"

+# Begin Source File

+

+SOURCE=..\paltex.c

+# End Source File

+# End Group

+# Begin Group "Header Files"

+

+# PROP Default_Filter "h;hpp;hxx;hm;inl"

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+

+# PROP Default_Filter "ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe"

+# End Group

+# End Target

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diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/pixeltex.dsp b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/pixeltex.dsp
new file mode 100644
index 000000000..d09f9f312
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/pixeltex.dsp
@@ -0,0 +1,112 @@
+# Microsoft Developer Studio Project File - Name="pixeltex" - Package Owner=<4>

+# Microsoft Developer Studio Generated Build File, Format Version 6.00

+# ** DO NOT EDIT **

+

+# TARGTYPE "Win32 (x86) Console Application" 0x0103

+

+CFG=pixeltex - Win32 Debug

+!MESSAGE This is not a valid makefile. To build this project using NMAKE,

+!MESSAGE use the Export Makefile command and run

+!MESSAGE 

+!MESSAGE NMAKE /f "pixeltex.mak".

+!MESSAGE 

+!MESSAGE You can specify a configuration when running NMAKE

+!MESSAGE by defining the macro CFG on the command line. For example:

+!MESSAGE 

+!MESSAGE NMAKE /f "pixeltex.mak" CFG="pixeltex - Win32 Debug"

+!MESSAGE 

+!MESSAGE Possible choices for configuration are:

+!MESSAGE 

+!MESSAGE "pixeltex - Win32 Release" (based on "Win32 (x86) Console Application")

+!MESSAGE "pixeltex - Win32 Debug" (based on "Win32 (x86) Console Application")

+!MESSAGE 

+

+# Begin Project

+# PROP AllowPerConfigDependencies 0

+# PROP Scc_ProjName ""

+# PROP Scc_LocalPath ""

+CPP=cl.exe

+RSC=rc.exe

+

+!IF  "$(CFG)" == "pixeltex - Win32 Release"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 0

+# PROP BASE Output_Dir "Release"

+# PROP BASE Intermediate_Dir "Release"

+# PROP BASE Target_Dir ""

+# PROP Use_MFC 0

+# PROP Use_Debug_Libraries 0

+# PROP Output_Dir "Release"

+# PROP Intermediate_Dir "Release"

+# PROP Ignore_Export_Lib 0

+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD CPP /nologo /W3 /GX /O2 /I "../../util" /I "../../../include" /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD BASE RSC /l 0x409 /d "NDEBUG"

+# ADD RSC /l 0x409 /d "NDEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /machine:I386 /out:"../pixeltex.exe"

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

+PostBuild_Desc=Copy DLLs

+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

+# End Special Build Tool

+

+!ELSEIF  "$(CFG)" == "pixeltex - Win32 Debug"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 1

+# PROP BASE Output_Dir "Debug"

+# PROP BASE Intermediate_Dir "Debug"

+# PROP BASE Target_Dir ""

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+# ADD BASE CPP /nologo /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD CPP /nologo /W3 /Gm /GX /ZI /Od /I "../../util" /I "../../../include" /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD BASE RSC /l 0x409 /d "_DEBUG"

+# ADD RSC /l 0x409 /d "_DEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /debug /machine:I386 /out:"../pixeltex.exe" /pdbtype:sept

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

+PostBuild_Desc=Copy DLLs

+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

+# End Special Build Tool

+

+!ENDIF 

+

+# Begin Target

+

+# Name "pixeltex - Win32 Release"

+# Name "pixeltex - Win32 Debug"

+# Begin Group "Source Files"

+

+# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat"

+# Begin Source File

+

+SOURCE=..\pixeltex.c

+# End Source File

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+

+# PROP Default_Filter "h;hpp;hxx;hm;inl"

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+# Begin Group "Resource Files"

+

+# PROP Default_Filter "ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe"

+# End Group

+# End Target

+# End Project

diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/pointblast.dsp b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/pointblast.dsp
new file mode 100644
index 000000000..7be695839
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/pointblast.dsp
@@ -0,0 +1,112 @@
+# Microsoft Developer Studio Project File - Name="pointblast" - Package Owner=<4>

+# Microsoft Developer Studio Generated Build File, Format Version 6.00

+# ** DO NOT EDIT **

+

+# TARGTYPE "Win32 (x86) Console Application" 0x0103

+

+CFG=pointblast - Win32 Debug

+!MESSAGE This is not a valid makefile. To build this project using NMAKE,

+!MESSAGE use the Export Makefile command and run

+!MESSAGE 

+!MESSAGE NMAKE /f "pointblast.mak".

+!MESSAGE 

+!MESSAGE You can specify a configuration when running NMAKE

+!MESSAGE by defining the macro CFG on the command line. For example:

+!MESSAGE 

+!MESSAGE NMAKE /f "pointblast.mak" CFG="pointblast - Win32 Debug"

+!MESSAGE 

+!MESSAGE Possible choices for configuration are:

+!MESSAGE 

+!MESSAGE "pointblast - Win32 Release" (based on "Win32 (x86) Console Application")

+!MESSAGE "pointblast - Win32 Debug" (based on "Win32 (x86) Console Application")

+!MESSAGE 

+

+# Begin Project

+# PROP AllowPerConfigDependencies 0

+# PROP Scc_ProjName ""

+# PROP Scc_LocalPath ""

+CPP=cl.exe

+RSC=rc.exe

+

+!IF  "$(CFG)" == "pointblast - Win32 Release"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 0

+# PROP BASE Output_Dir "Release"

+# PROP BASE Intermediate_Dir "Release"

+# PROP BASE Target_Dir ""

+# PROP Use_MFC 0

+# PROP Use_Debug_Libraries 0

+# PROP Output_Dir "Release"

+# PROP Intermediate_Dir "Release"

+# PROP Ignore_Export_Lib 0

+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD CPP /nologo /W3 /GX /O2 /I "../../../include" /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD BASE RSC /l 0x409 /d "NDEBUG"

+# ADD RSC /l 0x409 /d "NDEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /machine:I386 /out:"../pointblast.exe"

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

+PostBuild_Desc=Copy DLLs

+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

+# End Special Build Tool

+

+!ELSEIF  "$(CFG)" == "pointblast - Win32 Debug"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 1

+# PROP BASE Output_Dir "Debug"

+# PROP BASE Intermediate_Dir "Debug"

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+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD CPP /nologo /W3 /Gm /GX /ZI /Od /I "../../../include" /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD BASE RSC /l 0x409 /d "_DEBUG"

+# ADD RSC /l 0x409 /d "_DEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /debug /machine:I386 /out:"../pointblast.exe" /pdbtype:sept

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

+PostBuild_Desc=Copy DLLs

+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

+# End Special Build Tool

+

+!ENDIF 

+

+# Begin Target

+

+# Name "pointblast - Win32 Release"

+# Name "pointblast - Win32 Debug"

+# Begin Group "Source Files"

+

+# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat"

+# Begin Source File

+

+SOURCE=..\pointblast.c

+# End Source File

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+

+# PROP Default_Filter "h;hpp;hxx;hm;inl"

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+

+# PROP Default_Filter "ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe"

+# End Group

+# End Target

+# End Project

diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/rain.dsp b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/rain.dsp
new file mode 100644
index 000000000..7e380e66a
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/rain.dsp
@@ -0,0 +1,112 @@
+# Microsoft Developer Studio Project File - Name="rain" - Package Owner=<4>

+# Microsoft Developer Studio Generated Build File, Format Version 6.00

+# ** DO NOT EDIT **

+

+# TARGTYPE "Win32 (x86) Console Application" 0x0103

+

+CFG=rain - Win32 Debug

+!MESSAGE This is not a valid makefile. To build this project using NMAKE,

+!MESSAGE use the Export Makefile command and run

+!MESSAGE 

+!MESSAGE NMAKE /f "rain.mak".

+!MESSAGE 

+!MESSAGE You can specify a configuration when running NMAKE

+!MESSAGE by defining the macro CFG on the command line. For example:

+!MESSAGE 

+!MESSAGE NMAKE /f "rain.mak" CFG="rain - Win32 Debug"

+!MESSAGE 

+!MESSAGE Possible choices for configuration are:

+!MESSAGE 

+!MESSAGE "rain - Win32 Release" (based on "Win32 (x86) Console Application")

+!MESSAGE "rain - Win32 Debug" (based on "Win32 (x86) Console Application")

+!MESSAGE 

+

+# Begin Project

+# PROP AllowPerConfigDependencies 0

+# PROP Scc_ProjName ""

+# PROP Scc_LocalPath ""

+CPP=cl.exe

+RSC=rc.exe

+

+!IF  "$(CFG)" == "rain - Win32 Release"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 0

+# PROP BASE Output_Dir "Release"

+# PROP BASE Intermediate_Dir "Release"

+# PROP BASE Target_Dir ""

+# PROP Use_MFC 0

+# PROP Use_Debug_Libraries 0

+# PROP Output_Dir "Release"

+# PROP Intermediate_Dir "Release"

+# PROP Ignore_Export_Lib 0

+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD CPP /nologo /W3 /GX /O2 /I "../../util" /I "../../../include" /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD BASE RSC /l 0x409 /d "NDEBUG"

+# ADD RSC /l 0x409 /d "NDEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /machine:I386 /out:"../rain.exe"

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

+PostBuild_Desc=Copy DLLs

+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

+# End Special Build Tool

+

+!ELSEIF  "$(CFG)" == "rain - Win32 Debug"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 1

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+# PROP BASE Intermediate_Dir "Debug"

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+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD CPP /nologo /W3 /Gm /GX /ZI /Od /I "../../util" /I "../../../include" /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD BASE RSC /l 0x409 /d "_DEBUG"

+# ADD RSC /l 0x409 /d "_DEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

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+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /debug /machine:I386 /out:"../rain.exe" /pdbtype:sept

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

+PostBuild_Desc=Copy DLLs

+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

+# End Special Build Tool

+

+!ENDIF 

+

+# Begin Target

+

+# Name "rain - Win32 Release"

+# Name "rain - Win32 Debug"

+# Begin Group "Source Files"

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+SOURCE=..\rain.cxx

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diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/ray.dsp b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/ray.dsp
new file mode 100644
index 000000000..dfa26e775
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/ray.dsp
@@ -0,0 +1,112 @@
+# Microsoft Developer Studio Project File - Name="ray" - Package Owner=<4>

+# Microsoft Developer Studio Generated Build File, Format Version 6.00

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+!MESSAGE This is not a valid makefile. To build this project using NMAKE,

+!MESSAGE use the Export Makefile command and run

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+!MESSAGE NMAKE /f "ray.mak".

+!MESSAGE 

+!MESSAGE You can specify a configuration when running NMAKE

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+# Begin Project

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+!IF  "$(CFG)" == "ray - Win32 Release"

+

+# PROP BASE Use_MFC 0

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+# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD CPP /nologo /W3 /GX /O2 /I "../../../include" /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD BASE RSC /l 0x409 /d "NDEBUG"

+# ADD RSC /l 0x409 /d "NDEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

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+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /machine:I386 /out:"../ray.exe"

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

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+!ELSEIF  "$(CFG)" == "ray - Win32 Debug"

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+# ADD BASE CPP /nologo /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD CPP /nologo /W3 /Gm /GX /ZI /Od /I "../../../include" /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD BASE RSC /l 0x409 /d "_DEBUG"

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+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /debug /machine:I386 /out:"../ray.exe" /pdbtype:sept

+# Begin Special Build Tool

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+# Name "ray - Win32 Release"

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diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/readpix.dsp b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/readpix.dsp
new file mode 100644
index 000000000..8097d1062
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/readpix.dsp
@@ -0,0 +1,112 @@
+# Microsoft Developer Studio Project File - Name="readpix" - Package Owner=<4>

+# Microsoft Developer Studio Generated Build File, Format Version 6.00

+# ** DO NOT EDIT **

+

+# TARGTYPE "Win32 (x86) Console Application" 0x0103

+

+CFG=readpix - Win32 Debug

+!MESSAGE This is not a valid makefile. To build this project using NMAKE,

+!MESSAGE use the Export Makefile command and run

+!MESSAGE 

+!MESSAGE NMAKE /f "readpix.mak".

+!MESSAGE 

+!MESSAGE You can specify a configuration when running NMAKE

+!MESSAGE by defining the macro CFG on the command line. For example:

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+!MESSAGE NMAKE /f "readpix.mak" CFG="readpix - Win32 Debug"

+!MESSAGE 

+!MESSAGE Possible choices for configuration are:

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+!MESSAGE "readpix - Win32 Release" (based on "Win32 (x86) Console Application")

+!MESSAGE "readpix - Win32 Debug" (based on "Win32 (x86) Console Application")

+!MESSAGE 

+

+# Begin Project

+# PROP AllowPerConfigDependencies 0

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+CPP=cl.exe

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+

+!IF  "$(CFG)" == "readpix - Win32 Release"

+

+# PROP BASE Use_MFC 0

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+# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD CPP /nologo /W3 /GX /O2 /I "../../util" /I "../../../include" /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD BASE RSC /l 0x409 /d "NDEBUG"

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+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

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+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /machine:I386 /out:"../readpix.exe"

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

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+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

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+!ELSEIF  "$(CFG)" == "readpix - Win32 Debug"

+

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+# ADD BASE RSC /l 0x409 /d "_DEBUG"

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+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /debug /machine:I386 /out:"../readpix.exe" /pdbtype:sept

+# Begin Special Build Tool

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+

+# PROP Default_Filter "ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe"

+# End Group

+# End Target

+# End Project

diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/reflect.dsp b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/reflect.dsp
new file mode 100644
index 000000000..fa09700af
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/reflect.dsp
@@ -0,0 +1,112 @@
+# Microsoft Developer Studio Project File - Name="reflect" - Package Owner=<4>

+# Microsoft Developer Studio Generated Build File, Format Version 6.00

+# ** DO NOT EDIT **

+

+# TARGTYPE "Win32 (x86) Console Application" 0x0103

+

+CFG=reflect - Win32 Debug

+!MESSAGE This is not a valid makefile. To build this project using NMAKE,

+!MESSAGE use the Export Makefile command and run

+!MESSAGE 

+!MESSAGE NMAKE /f "reflect.mak".

+!MESSAGE 

+!MESSAGE You can specify a configuration when running NMAKE

+!MESSAGE by defining the macro CFG on the command line. For example:

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+!MESSAGE NMAKE /f "reflect.mak" CFG="reflect - Win32 Debug"

+!MESSAGE 

+!MESSAGE Possible choices for configuration are:

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+!MESSAGE "reflect - Win32 Release" (based on "Win32 (x86) Console Application")

+!MESSAGE "reflect - Win32 Debug" (based on "Win32 (x86) Console Application")

+!MESSAGE 

+

+# Begin Project

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+

+!IF  "$(CFG)" == "reflect - Win32 Release"

+

+# PROP BASE Use_MFC 0

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+# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD CPP /nologo /W3 /GX /O2 /I "../../util" /I "../../../include" /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD BASE RSC /l 0x409 /d "NDEBUG"

+# ADD RSC /l 0x409 /d "NDEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

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+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /machine:I386 /out:"../reflect.exe"

+# Begin Special Build Tool

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+

+!ELSEIF  "$(CFG)" == "reflect - Win32 Debug"

+

+# PROP BASE Use_MFC 0

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+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /debug /machine:I386 /out:"../reflect.exe" /pdbtype:sept

+# Begin Special Build Tool

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+# Begin Target

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diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/renormal.dsp b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/renormal.dsp
new file mode 100644
index 000000000..4d72e88d8
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/renormal.dsp
@@ -0,0 +1,112 @@
+# Microsoft Developer Studio Project File - Name="renormal" - Package Owner=<4>

+# Microsoft Developer Studio Generated Build File, Format Version 6.00

+# ** DO NOT EDIT **

+

+# TARGTYPE "Win32 (x86) Console Application" 0x0103

+

+CFG=renormal - Win32 Debug

+!MESSAGE This is not a valid makefile. To build this project using NMAKE,

+!MESSAGE use the Export Makefile command and run

+!MESSAGE 

+!MESSAGE NMAKE /f "renormal.mak".

+!MESSAGE 

+!MESSAGE You can specify a configuration when running NMAKE

+!MESSAGE by defining the macro CFG on the command line. For example:

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+!MESSAGE NMAKE /f "renormal.mak" CFG="bounce - Win32 Debug"

+!MESSAGE 

+!MESSAGE Possible choices for configuration are:

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+!MESSAGE "renormal - Win32 Release" (based on "Win32 (x86) Console Application")

+!MESSAGE "renormal - Win32 Debug" (based on "Win32 (x86) Console Application")

+!MESSAGE 

+

+# Begin Project

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+

+!IF  "$(CFG)" == "renormal - Win32 Release"

+

+# PROP BASE Use_MFC 0

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+# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD CPP /nologo /W3 /GX /O2 /I "../../../include" /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD BASE RSC /l 0x409 /d "NDEBUG"

+# ADD RSC /l 0x409 /d "NDEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

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+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /machine:I386 /out:"../renormal.exe"

+# Begin Special Build Tool

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+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /debug /machine:I386 /out:"../renormal.exe" /pdbtype:sept

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+# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat"

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diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/shadowtex.dsp b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/shadowtex.dsp
new file mode 100644
index 000000000..419ec2413
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/shadowtex.dsp
@@ -0,0 +1,112 @@
+# Microsoft Developer Studio Project File - Name="shadowtex" - Package Owner=<4>

+# Microsoft Developer Studio Generated Build File, Format Version 6.00

+# ** DO NOT EDIT **

+

+# TARGTYPE "Win32 (x86) Console Application" 0x0103

+

+CFG=shadowtex - Win32 Debug

+!MESSAGE This is not a valid makefile. To build this project using NMAKE,

+!MESSAGE use the Export Makefile command and run

+!MESSAGE 

+!MESSAGE NMAKE /f "shadowtex.mak".

+!MESSAGE 

+!MESSAGE You can specify a configuration when running NMAKE

+!MESSAGE by defining the macro CFG on the command line. For example:

+!MESSAGE 

+!MESSAGE NMAKE /f "shadowtex.mak" CFG="bounce - Win32 Debug"

+!MESSAGE 

+!MESSAGE Possible choices for configuration are:

+!MESSAGE 

+!MESSAGE "shadowtex - Win32 Release" (based on "Win32 (x86) Console Application")

+!MESSAGE "shadowtex - Win32 Debug" (based on "Win32 (x86) Console Application")

+!MESSAGE 

+

+# Begin Project

+# PROP AllowPerConfigDependencies 0

+# PROP Scc_ProjName ""

+# PROP Scc_LocalPath ""

+CPP=cl.exe

+RSC=rc.exe

+

+!IF  "$(CFG)" == "shadowtex - Win32 Release"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 0

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+# PROP BASE Intermediate_Dir "Release"

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+# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD CPP /nologo /W3 /GX /O2 /I "../../../include" /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD BASE RSC /l 0x409 /d "NDEBUG"

+# ADD RSC /l 0x409 /d "NDEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /machine:I386 /out:"../shadowtex.exe"

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

+PostBuild_Desc=Copy DLLs

+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

+# End Special Build Tool

+

+!ELSEIF  "$(CFG)" == "shadowtex - Win32 Debug"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 1

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+# ADD BASE CPP /nologo /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD CPP /nologo /W3 /Gm /GX /ZI /Od /I "../../../include" /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD BASE RSC /l 0x409 /d "_DEBUG"

+# ADD RSC /l 0x409 /d "_DEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /debug /machine:I386 /out:"../shadowtex.exe" /pdbtype:sept

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

+PostBuild_Desc=Copy DLLs

+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

+# End Special Build Tool

+

+!ENDIF 

+

+# Begin Target

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+# Name "shadowtex - Win32 Release"

+# Name "shadowtex - Win32 Debug"

+# Begin Group "Source Files"

+

+# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat"

+# Begin Source File

+

+SOURCE=..\shadowtex.c

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+# PROP Default_Filter "h;hpp;hxx;hm;inl"

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+# PROP Default_Filter "ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe"

+# End Group

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+# End Project

diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/spectex.dsp b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/spectex.dsp
new file mode 100644
index 000000000..d1960b3d1
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/spectex.dsp
@@ -0,0 +1,112 @@
+# Microsoft Developer Studio Project File - Name="spectex" - Package Owner=<4>

+# Microsoft Developer Studio Generated Build File, Format Version 6.00

+# ** DO NOT EDIT **

+

+# TARGTYPE "Win32 (x86) Console Application" 0x0103

+

+CFG=spectex - Win32 Debug

+!MESSAGE This is not a valid makefile. To build this project using NMAKE,

+!MESSAGE use the Export Makefile command and run

+!MESSAGE 

+!MESSAGE NMAKE /f "spectex.mak".

+!MESSAGE 

+!MESSAGE You can specify a configuration when running NMAKE

+!MESSAGE by defining the macro CFG on the command line. For example:

+!MESSAGE 

+!MESSAGE NMAKE /f "spectex.mak" CFG="bounce - Win32 Debug"

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+!MESSAGE Possible choices for configuration are:

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+!MESSAGE "spectex - Win32 Release" (based on "Win32 (x86) Console Application")

+!MESSAGE "spectex - Win32 Debug" (based on "Win32 (x86) Console Application")

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+

+# Begin Project

+# PROP AllowPerConfigDependencies 0

+# PROP Scc_ProjName ""

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+CPP=cl.exe

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+

+!IF  "$(CFG)" == "spectex - Win32 Release"

+

+# PROP BASE Use_MFC 0

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+# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD CPP /nologo /W3 /GX /O2 /I "../../../include" /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD BASE RSC /l 0x409 /d "NDEBUG"

+# ADD RSC /l 0x409 /d "NDEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /machine:I386 /out:"../spectex.exe"

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

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+!ELSEIF  "$(CFG)" == "spectex - Win32 Debug"

+

+# PROP BASE Use_MFC 0

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+# ADD BASE CPP /nologo /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD CPP /nologo /W3 /Gm /GX /ZI /Od /I "../../../include" /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD BASE RSC /l 0x409 /d "_DEBUG"

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+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

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+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /debug /machine:I386 /out:"../spectex.exe" /pdbtype:sept

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

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+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

+# End Special Build Tool

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+!ENDIF 

+

+# Begin Target

+

+# Name "spectex - Win32 Release"

+# Name "spectex - Win32 Debug"

+# Begin Group "Source Files"

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+# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat"

+# Begin Source File

+

+SOURCE=..\spectex.c

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+

+# PROP Default_Filter "ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe"

+# End Group

+# End Target

+# End Project

diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/spriteblast.dsp b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/spriteblast.dsp
new file mode 100644
index 000000000..8a02ed50d
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/spriteblast.dsp
@@ -0,0 +1,112 @@
+# Microsoft Developer Studio Project File - Name="spriteblast" - Package Owner=<4>

+# Microsoft Developer Studio Generated Build File, Format Version 6.00

+# ** DO NOT EDIT **

+

+# TARGTYPE "Win32 (x86) Console Application" 0x0103

+

+CFG=spriteblast - Win32 Debug

+!MESSAGE This is not a valid makefile. To build this project using NMAKE,

+!MESSAGE use the Export Makefile command and run

+!MESSAGE 

+!MESSAGE NMAKE /f "spriteblast.mak".

+!MESSAGE 

+!MESSAGE You can specify a configuration when running NMAKE

+!MESSAGE by defining the macro CFG on the command line. For example:

+!MESSAGE 

+!MESSAGE NMAKE /f "spriteblast.mak" CFG="bounce - Win32 Debug"

+!MESSAGE 

+!MESSAGE Possible choices for configuration are:

+!MESSAGE 

+!MESSAGE "spriteblast - Win32 Release" (based on "Win32 (x86) Console Application")

+!MESSAGE "spriteblast - Win32 Debug" (based on "Win32 (x86) Console Application")

+!MESSAGE 

+

+# Begin Project

+# PROP AllowPerConfigDependencies 0

+# PROP Scc_ProjName ""

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+CPP=cl.exe

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+

+!IF  "$(CFG)" == "spriteblast - Win32 Release"

+

+# PROP BASE Use_MFC 0

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+# PROP BASE Intermediate_Dir "Release"

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+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD CPP /nologo /W3 /GX /O2 /I "../../../include" /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD BASE RSC /l 0x409 /d "NDEBUG"

+# ADD RSC /l 0x409 /d "NDEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /machine:I386 /out:"../spriteblast.exe"

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

+PostBuild_Desc=Copy DLLs

+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

+# End Special Build Tool

+

+!ELSEIF  "$(CFG)" == "spriteblast - Win32 Debug"

+

+# PROP BASE Use_MFC 0

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+# ADD BASE CPP /nologo /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

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+# ADD BASE RSC /l 0x409 /d "_DEBUG"

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+BSC32=bscmake.exe

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+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /debug /machine:I386 /out:"../spriteblast.exe" /pdbtype:sept

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

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+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

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+# Begin Target

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+# Name "spriteblast - Win32 Release"

+# Name "spriteblast - Win32 Debug"

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+# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat"

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+# End Group

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diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/stex3d.dsp b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/stex3d.dsp
new file mode 100644
index 000000000..7c112d62c
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/stex3d.dsp
@@ -0,0 +1,112 @@
+# Microsoft Developer Studio Project File - Name="stex3d" - Package Owner=<4>

+# Microsoft Developer Studio Generated Build File, Format Version 6.00

+# ** DO NOT EDIT **

+

+# TARGTYPE "Win32 (x86) Console Application" 0x0103

+

+CFG=stex3d - Win32 Debug

+!MESSAGE This is not a valid makefile. To build this project using NMAKE,

+!MESSAGE use the Export Makefile command and run

+!MESSAGE 

+!MESSAGE NMAKE /f "stex3d.mak".

+!MESSAGE 

+!MESSAGE You can specify a configuration when running NMAKE

+!MESSAGE by defining the macro CFG on the command line. For example:

+!MESSAGE 

+!MESSAGE NMAKE /f "stex3d.mak" CFG="bounce - Win32 Debug"

+!MESSAGE 

+!MESSAGE Possible choices for configuration are:

+!MESSAGE 

+!MESSAGE "stex3d - Win32 Release" (based on "Win32 (x86) Console Application")

+!MESSAGE "stex3d - Win32 Debug" (based on "Win32 (x86) Console Application")

+!MESSAGE 

+

+# Begin Project

+# PROP AllowPerConfigDependencies 0

+# PROP Scc_ProjName ""

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+CPP=cl.exe

+RSC=rc.exe

+

+!IF  "$(CFG)" == "stex3d - Win32 Release"

+

+# PROP BASE Use_MFC 0

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+# PROP Intermediate_Dir "Release"

+# PROP Ignore_Export_Lib 0

+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD CPP /nologo /W3 /GX /O2 /I "../../../include" /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD BASE RSC /l 0x409 /d "NDEBUG"

+# ADD RSC /l 0x409 /d "NDEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /machine:I386 /out:"../stex3d.exe"

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

+PostBuild_Desc=Copy DLLs

+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

+# End Special Build Tool

+

+!ELSEIF  "$(CFG)" == "stex3d - Win32 Debug"

+

+# PROP BASE Use_MFC 0

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+# ADD BASE RSC /l 0x409 /d "_DEBUG"

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+BSC32=bscmake.exe

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+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /debug /machine:I386 /out:"../stex3d.exe" /pdbtype:sept

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

+PostBuild_Desc=Copy DLLs

+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

+# End Special Build Tool

+

+!ENDIF 

+

+# Begin Target

+

+# Name "stex3d - Win32 Release"

+# Name "stex3d - Win32 Debug"

+# Begin Group "Source Files"

+

+# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat"

+# Begin Source File

+

+SOURCE=..\stex3d.c

+# End Source File

+# End Group

+# Begin Group "Header Files"

+

+# PROP Default_Filter "h;hpp;hxx;hm;inl"

+# End Group

+# Begin Group "Resource Files"

+

+# PROP Default_Filter "ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe"

+# End Group

+# End Target

+# End Project

diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/teapot.dsp b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/teapot.dsp
new file mode 100644
index 000000000..3260e635a
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/teapot.dsp
@@ -0,0 +1,112 @@
+# Microsoft Developer Studio Project File - Name="teapot" - Package Owner=<4>

+# Microsoft Developer Studio Generated Build File, Format Version 6.00

+# ** DO NOT EDIT **

+

+# TARGTYPE "Win32 (x86) Console Application" 0x0103

+

+CFG=teapot - Win32 Debug

+!MESSAGE This is not a valid makefile. To build this project using NMAKE,

+!MESSAGE use the Export Makefile command and run

+!MESSAGE 

+!MESSAGE NMAKE /f "teapot.mak".

+!MESSAGE 

+!MESSAGE You can specify a configuration when running NMAKE

+!MESSAGE by defining the macro CFG on the command line. For example:

+!MESSAGE 

+!MESSAGE NMAKE /f "teapot.mak" CFG="gloss - Win32 Debug"

+!MESSAGE 

+!MESSAGE Possible choices for configuration are:

+!MESSAGE 

+!MESSAGE "teapot - Win32 Release" (based on "Win32 (x86) Console Application")

+!MESSAGE "teapot - Win32 Debug" (based on "Win32 (x86) Console Application")

+!MESSAGE 

+

+# Begin Project

+# PROP AllowPerConfigDependencies 0

+# PROP Scc_ProjName ""

+# PROP Scc_LocalPath ""

+CPP=cl.exe

+RSC=rc.exe

+

+!IF  "$(CFG)" == "teapot - Win32 Release"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 0

+# PROP BASE Output_Dir "Release"

+# PROP BASE Intermediate_Dir "Release"

+# PROP BASE Target_Dir ""

+# PROP Use_MFC 0

+# PROP Use_Debug_Libraries 0

+# PROP Output_Dir "Release"

+# PROP Intermediate_Dir "Release"

+# PROP Ignore_Export_Lib 0

+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD CPP /nologo /W3 /GX /O2 /I "../../util" /I "../../../include" /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD BASE RSC /l 0x409 /d "NDEBUG"

+# ADD RSC /l 0x409 /d "NDEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /machine:I386 /out:"../teapot.exe"

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

+PostBuild_Desc=Copy DLLs

+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

+# End Special Build Tool

+

+!ELSEIF  "$(CFG)" == "teapot - Win32 Debug"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 1

+# PROP BASE Output_Dir "Debug"

+# PROP BASE Intermediate_Dir "Debug"

+# PROP BASE Target_Dir ""

+# PROP Use_MFC 0

+# PROP Use_Debug_Libraries 1

+# PROP Output_Dir "Debug"

+# PROP Intermediate_Dir "Debug"

+# PROP Ignore_Export_Lib 0

+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD CPP /nologo /W3 /Gm /GX /ZI /Od /I "../../util" /I "../../../include" /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD BASE RSC /l 0x409 /d "_DEBUG"

+# ADD RSC /l 0x409 /d "_DEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /debug /machine:I386 /out:"../teapot.exe" /pdbtype:sept

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

+PostBuild_Desc=Copy DLLs

+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

+# End Special Build Tool

+

+!ENDIF 

+

+# Begin Target

+

+# Name "teapot - Win32 Release"

+# Name "teapot - Win32 Debug"

+# Begin Group "Source Files"

+

+# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat"

+# Begin Source File

+

+SOURCE=..\teapot.c

+# End Source File

+# End Group

+# Begin Group "Header Files"

+

+# PROP Default_Filter "h;hpp;hxx;hm;inl"

+# End Group

+# Begin Group "Resource Files"

+

+# PROP Default_Filter "ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe"

+# End Group

+# End Target

+# End Project

diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/terrain.dsp b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/terrain.dsp
new file mode 100644
index 000000000..9fe490db8
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/terrain.dsp
@@ -0,0 +1,112 @@
+# Microsoft Developer Studio Project File - Name="terrain" - Package Owner=<4>

+# Microsoft Developer Studio Generated Build File, Format Version 6.00

+# ** DO NOT EDIT **

+

+# TARGTYPE "Win32 (x86) Console Application" 0x0103

+

+CFG=terrain - Win32 Debug

+!MESSAGE This is not a valid makefile. To build this project using NMAKE,

+!MESSAGE use the Export Makefile command and run

+!MESSAGE 

+!MESSAGE NMAKE /f "terrain.mak".

+!MESSAGE 

+!MESSAGE You can specify a configuration when running NMAKE

+!MESSAGE by defining the macro CFG on the command line. For example:

+!MESSAGE 

+!MESSAGE NMAKE /f "terrain.mak" CFG="bounce - Win32 Debug"

+!MESSAGE 

+!MESSAGE Possible choices for configuration are:

+!MESSAGE 

+!MESSAGE "terrain - Win32 Release" (based on "Win32 (x86) Console Application")

+!MESSAGE "terrain - Win32 Debug" (based on "Win32 (x86) Console Application")

+!MESSAGE 

+

+# Begin Project

+# PROP AllowPerConfigDependencies 0

+# PROP Scc_ProjName ""

+# PROP Scc_LocalPath ""

+CPP=cl.exe

+RSC=rc.exe

+

+!IF  "$(CFG)" == "terrain - Win32 Release"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 0

+# PROP BASE Output_Dir "Release"

+# PROP BASE Intermediate_Dir "Release"

+# PROP BASE Target_Dir ""

+# PROP Use_MFC 0

+# PROP Use_Debug_Libraries 0

+# PROP Output_Dir "Release"

+# PROP Intermediate_Dir "Release"

+# PROP Ignore_Export_Lib 0

+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD CPP /nologo /W3 /GX /O2 /I "../../../include" /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD BASE RSC /l 0x409 /d "NDEBUG"

+# ADD RSC /l 0x409 /d "NDEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /machine:I386 /out:"../terrain.exe"

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

+PostBuild_Desc=Copy DLLs

+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

+# End Special Build Tool

+

+!ELSEIF  "$(CFG)" == "terrain - Win32 Debug"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 1

+# PROP BASE Output_Dir "Debug"

+# PROP BASE Intermediate_Dir "Debug"

+# PROP BASE Target_Dir ""

+# PROP Use_MFC 0

+# PROP Use_Debug_Libraries 1

+# PROP Output_Dir "Debug"

+# PROP Intermediate_Dir "Debug"

+# PROP Ignore_Export_Lib 0

+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD CPP /nologo /W3 /Gm /GX /ZI /Od /I "../../../include" /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD BASE RSC /l 0x409 /d "_DEBUG"

+# ADD RSC /l 0x409 /d "_DEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /debug /machine:I386 /out:"../terrain.exe" /pdbtype:sept

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

+PostBuild_Desc=Copy DLLs

+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

+# End Special Build Tool

+

+!ENDIF 

+

+# Begin Target

+

+# Name "terrain - Win32 Release"

+# Name "terrain - Win32 Debug"

+# Begin Group "Source Files"

+

+# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat"

+# Begin Source File

+

+SOURCE=..\terrain.c

+# End Source File

+# End Group

+# Begin Group "Header Files"

+

+# PROP Default_Filter "h;hpp;hxx;hm;inl"

+# End Group

+# Begin Group "Resource Files"

+

+# PROP Default_Filter "ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe"

+# End Group

+# End Target

+# End Project

diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/tessdemo.dsp b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/tessdemo.dsp
new file mode 100644
index 000000000..61345c79e
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/tessdemo.dsp
@@ -0,0 +1,112 @@
+# Microsoft Developer Studio Project File - Name="tessdemo" - Package Owner=<4>

+# Microsoft Developer Studio Generated Build File, Format Version 6.00

+# ** DO NOT EDIT **

+

+# TARGTYPE "Win32 (x86) Console Application" 0x0103

+

+CFG=tessdemo - Win32 Debug

+!MESSAGE This is not a valid makefile. To build this project using NMAKE,

+!MESSAGE use the Export Makefile command and run

+!MESSAGE 

+!MESSAGE NMAKE /f "tessdemo.mak".

+!MESSAGE 

+!MESSAGE You can specify a configuration when running NMAKE

+!MESSAGE by defining the macro CFG on the command line. For example:

+!MESSAGE 

+!MESSAGE NMAKE /f "tessdemo.mak" CFG="bounce - Win32 Debug"

+!MESSAGE 

+!MESSAGE Possible choices for configuration are:

+!MESSAGE 

+!MESSAGE "tessdemo - Win32 Release" (based on "Win32 (x86) Console Application")

+!MESSAGE "tessdemo - Win32 Debug" (based on "Win32 (x86) Console Application")

+!MESSAGE 

+

+# Begin Project

+# PROP AllowPerConfigDependencies 0

+# PROP Scc_ProjName ""

+# PROP Scc_LocalPath ""

+CPP=cl.exe

+RSC=rc.exe

+

+!IF  "$(CFG)" == "tessdemo - Win32 Release"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 0

+# PROP BASE Output_Dir "Release"

+# PROP BASE Intermediate_Dir "Release"

+# PROP BASE Target_Dir ""

+# PROP Use_MFC 0

+# PROP Use_Debug_Libraries 0

+# PROP Output_Dir "Release"

+# PROP Intermediate_Dir "Release"

+# PROP Ignore_Export_Lib 0

+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD CPP /nologo /W3 /GX /O2 /I "../../../include" /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD BASE RSC /l 0x409 /d "NDEBUG"

+# ADD RSC /l 0x409 /d "NDEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /machine:I386 /out:"../tessdemo.exe"

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

+PostBuild_Desc=Copy DLLs

+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

+# End Special Build Tool

+

+!ELSEIF  "$(CFG)" == "tessdemo - Win32 Debug"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 1

+# PROP BASE Output_Dir "Debug"

+# PROP BASE Intermediate_Dir "Debug"

+# PROP BASE Target_Dir ""

+# PROP Use_MFC 0

+# PROP Use_Debug_Libraries 1

+# PROP Output_Dir "Debug"

+# PROP Intermediate_Dir "Debug"

+# PROP Ignore_Export_Lib 0

+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD CPP /nologo /W3 /Gm /GX /ZI /Od /I "../../../include" /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD BASE RSC /l 0x409 /d "_DEBUG"

+# ADD RSC /l 0x409 /d "_DEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /debug /machine:I386 /out:"../tessdemo.exe" /pdbtype:sept

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

+PostBuild_Desc=Copy DLLs

+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

+# End Special Build Tool

+

+!ENDIF 

+

+# Begin Target

+

+# Name "tessdemo - Win32 Release"

+# Name "tessdemo - Win32 Debug"

+# Begin Group "Source Files"

+

+# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat"

+# Begin Source File

+

+SOURCE=..\tessdemo.c

+# End Source File

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+# Begin Group "Header Files"

+

+# PROP Default_Filter "h;hpp;hxx;hm;inl"

+# End Group

+# Begin Group "Resource Files"

+

+# PROP Default_Filter "ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe"

+# End Group

+# End Target

+# End Project

diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/texcyl.dsp b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/texcyl.dsp
new file mode 100644
index 000000000..b227e02c2
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/texcyl.dsp
@@ -0,0 +1,112 @@
+# Microsoft Developer Studio Project File - Name="texcyl" - Package Owner=<4>

+# Microsoft Developer Studio Generated Build File, Format Version 6.00

+# ** DO NOT EDIT **

+

+# TARGTYPE "Win32 (x86) Console Application" 0x0103

+

+CFG=texcyl - Win32 Debug

+!MESSAGE This is not a valid makefile. To build this project using NMAKE,

+!MESSAGE use the Export Makefile command and run

+!MESSAGE 

+!MESSAGE NMAKE /f "texcyl.mak".

+!MESSAGE 

+!MESSAGE You can specify a configuration when running NMAKE

+!MESSAGE by defining the macro CFG on the command line. For example:

+!MESSAGE 

+!MESSAGE NMAKE /f "texcyl.mak" CFG="gloss - Win32 Debug"

+!MESSAGE 

+!MESSAGE Possible choices for configuration are:

+!MESSAGE 

+!MESSAGE "texcyl - Win32 Release" (based on "Win32 (x86) Console Application")

+!MESSAGE "texcyl - Win32 Debug" (based on "Win32 (x86) Console Application")

+!MESSAGE 

+

+# Begin Project

+# PROP AllowPerConfigDependencies 0

+# PROP Scc_ProjName ""

+# PROP Scc_LocalPath ""

+CPP=cl.exe

+RSC=rc.exe

+

+!IF  "$(CFG)" == "texcyl - Win32 Release"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 0

+# PROP BASE Output_Dir "Release"

+# PROP BASE Intermediate_Dir "Release"

+# PROP BASE Target_Dir ""

+# PROP Use_MFC 0

+# PROP Use_Debug_Libraries 0

+# PROP Output_Dir "Release"

+# PROP Intermediate_Dir "Release"

+# PROP Ignore_Export_Lib 0

+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD CPP /nologo /W3 /GX /O2 /I "../../util" /I "../../../include" /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD BASE RSC /l 0x409 /d "NDEBUG"

+# ADD RSC /l 0x409 /d "NDEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /machine:I386 /out:"../texcyl.exe"

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

+PostBuild_Desc=Copy DLLs

+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

+# End Special Build Tool

+

+!ELSEIF  "$(CFG)" == "texcyl - Win32 Debug"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 1

+# PROP BASE Output_Dir "Debug"

+# PROP BASE Intermediate_Dir "Debug"

+# PROP BASE Target_Dir ""

+# PROP Use_MFC 0

+# PROP Use_Debug_Libraries 1

+# PROP Output_Dir "Debug"

+# PROP Intermediate_Dir "Debug"

+# PROP Ignore_Export_Lib 0

+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD CPP /nologo /W3 /Gm /GX /ZI /Od /I "../../util" /I "../../../include" /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD BASE RSC /l 0x409 /d "_DEBUG"

+# ADD RSC /l 0x409 /d "_DEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /debug /machine:I386 /out:"../texcyl.exe" /pdbtype:sept

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

+PostBuild_Desc=Copy DLLs

+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

+# End Special Build Tool

+

+!ENDIF 

+

+# Begin Target

+

+# Name "texcyl - Win32 Release"

+# Name "texcyl - Win32 Debug"

+# Begin Group "Source Files"

+

+# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat"

+# Begin Source File

+

+SOURCE=..\texcyl.c

+# End Source File

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+

+# PROP Default_Filter "h;hpp;hxx;hm;inl"

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+

+# PROP Default_Filter "ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe"

+# End Group

+# End Target

+# End Project

diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/texdown.dsp b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/texdown.dsp
new file mode 100644
index 000000000..acea7666a
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/texdown.dsp
@@ -0,0 +1,112 @@
+# Microsoft Developer Studio Project File - Name="texdown" - Package Owner=<4>

+# Microsoft Developer Studio Generated Build File, Format Version 6.00

+# ** DO NOT EDIT **

+

+# TARGTYPE "Win32 (x86) Console Application" 0x0103

+

+CFG=texdown - Win32 Debug

+!MESSAGE This is not a valid makefile. To build this project using NMAKE,

+!MESSAGE use the Export Makefile command and run

+!MESSAGE 

+!MESSAGE NMAKE /f "texdown.mak".

+!MESSAGE 

+!MESSAGE You can specify a configuration when running NMAKE

+!MESSAGE by defining the macro CFG on the command line. For example:

+!MESSAGE 

+!MESSAGE NMAKE /f "texdown.mak" CFG="bounce - Win32 Debug"

+!MESSAGE 

+!MESSAGE Possible choices for configuration are:

+!MESSAGE 

+!MESSAGE "texdown - Win32 Release" (based on "Win32 (x86) Console Application")

+!MESSAGE "texdown - Win32 Debug" (based on "Win32 (x86) Console Application")

+!MESSAGE 

+

+# Begin Project

+# PROP AllowPerConfigDependencies 0

+# PROP Scc_ProjName ""

+# PROP Scc_LocalPath ""

+CPP=cl.exe

+RSC=rc.exe

+

+!IF  "$(CFG)" == "texdown - Win32 Release"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 0

+# PROP BASE Output_Dir "Release"

+# PROP BASE Intermediate_Dir "Release"

+# PROP BASE Target_Dir ""

+# PROP Use_MFC 0

+# PROP Use_Debug_Libraries 0

+# PROP Output_Dir "Release"

+# PROP Intermediate_Dir "Release"

+# PROP Ignore_Export_Lib 0

+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD CPP /nologo /W3 /GX /O2 /I "../../../include" /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD BASE RSC /l 0x409 /d "NDEBUG"

+# ADD RSC /l 0x409 /d "NDEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /machine:I386 /out:"../texdown.exe"

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

+PostBuild_Desc=Copy DLLs

+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

+# End Special Build Tool

+

+!ELSEIF  "$(CFG)" == "texdown - Win32 Debug"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 1

+# PROP BASE Output_Dir "Debug"

+# PROP BASE Intermediate_Dir "Debug"

+# PROP BASE Target_Dir ""

+# PROP Use_MFC 0

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+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD CPP /nologo /W3 /Gm /GX /ZI /Od /I "../../../include" /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD BASE RSC /l 0x409 /d "_DEBUG"

+# ADD RSC /l 0x409 /d "_DEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /debug /machine:I386 /out:"../texdown.exe" /pdbtype:sept

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

+PostBuild_Desc=Copy DLLs

+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

+# End Special Build Tool

+

+!ENDIF 

+

+# Begin Target

+

+# Name "texdown - Win32 Release"

+# Name "texdown - Win32 Debug"

+# Begin Group "Source Files"

+

+# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat"

+# Begin Source File

+

+SOURCE=..\texdown.c

+# End Source File

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+# PROP Default_Filter "h;hpp;hxx;hm;inl"

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+# Begin Group "Resource Files"

+

+# PROP Default_Filter "ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe"

+# End Group

+# End Target

+# End Project

diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/texenv.dsp b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/texenv.dsp
new file mode 100644
index 000000000..3eb7eecdb
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/texenv.dsp
@@ -0,0 +1,112 @@
+# Microsoft Developer Studio Project File - Name="texenv" - Package Owner=<4>

+# Microsoft Developer Studio Generated Build File, Format Version 6.00

+# ** DO NOT EDIT **

+

+# TARGTYPE "Win32 (x86) Console Application" 0x0103

+

+CFG=texenv - Win32 Debug

+!MESSAGE This is not a valid makefile. To build this project using NMAKE,

+!MESSAGE use the Export Makefile command and run

+!MESSAGE 

+!MESSAGE NMAKE /f "texenv.mak".

+!MESSAGE 

+!MESSAGE You can specify a configuration when running NMAKE

+!MESSAGE by defining the macro CFG on the command line. For example:

+!MESSAGE 

+!MESSAGE NMAKE /f "texenv.mak" CFG="bounce - Win32 Debug"

+!MESSAGE 

+!MESSAGE Possible choices for configuration are:

+!MESSAGE 

+!MESSAGE "texenv - Win32 Release" (based on "Win32 (x86) Console Application")

+!MESSAGE "texenv - Win32 Debug" (based on "Win32 (x86) Console Application")

+!MESSAGE 

+

+# Begin Project

+# PROP AllowPerConfigDependencies 0

+# PROP Scc_ProjName ""

+# PROP Scc_LocalPath ""

+CPP=cl.exe

+RSC=rc.exe

+

+!IF  "$(CFG)" == "texenv - Win32 Release"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 0

+# PROP BASE Output_Dir "Release"

+# PROP BASE Intermediate_Dir "Release"

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+# PROP Intermediate_Dir "Release"

+# PROP Ignore_Export_Lib 0

+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD CPP /nologo /W3 /GX /O2 /I "../../../include" /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD BASE RSC /l 0x409 /d "NDEBUG"

+# ADD RSC /l 0x409 /d "NDEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /machine:I386 /out:"../texenv.exe"

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

+PostBuild_Desc=Copy DLLs

+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

+# End Special Build Tool

+

+!ELSEIF  "$(CFG)" == "texenv - Win32 Debug"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 1

+# PROP BASE Output_Dir "Debug"

+# PROP BASE Intermediate_Dir "Debug"

+# PROP BASE Target_Dir ""

+# PROP Use_MFC 0

+# PROP Use_Debug_Libraries 1

+# PROP Output_Dir "Debug"

+# PROP Intermediate_Dir "Debug"

+# PROP Ignore_Export_Lib 0

+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD CPP /nologo /W3 /Gm /GX /ZI /Od /I "../../../include" /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD BASE RSC /l 0x409 /d "_DEBUG"

+# ADD RSC /l 0x409 /d "_DEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /debug /machine:I386 /out:"../texenv.exe" /pdbtype:sept

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

+PostBuild_Desc=Copy DLLs

+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

+# End Special Build Tool

+

+!ENDIF 

+

+# Begin Target

+

+# Name "texenv - Win32 Release"

+# Name "texenv - Win32 Debug"

+# Begin Group "Source Files"

+

+# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat"

+# Begin Source File

+

+SOURCE=..\texenv.c

+# End Source File

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+

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+

+# PROP Default_Filter "ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe"

+# End Group

+# End Target

+# End Project

diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/texobj.dsp b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/texobj.dsp
new file mode 100644
index 000000000..5db5f2ee7
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/texobj.dsp
@@ -0,0 +1,112 @@
+# Microsoft Developer Studio Project File - Name="texobj" - Package Owner=<4>

+# Microsoft Developer Studio Generated Build File, Format Version 6.00

+# ** DO NOT EDIT **

+

+# TARGTYPE "Win32 (x86) Console Application" 0x0103

+

+CFG=texobj - Win32 Debug

+!MESSAGE This is not a valid makefile. To build this project using NMAKE,

+!MESSAGE use the Export Makefile command and run

+!MESSAGE 

+!MESSAGE NMAKE /f "texobj.mak".

+!MESSAGE 

+!MESSAGE You can specify a configuration when running NMAKE

+!MESSAGE by defining the macro CFG on the command line. For example:

+!MESSAGE 

+!MESSAGE NMAKE /f "texobj.mak" CFG="bounce - Win32 Debug"

+!MESSAGE 

+!MESSAGE Possible choices for configuration are:

+!MESSAGE 

+!MESSAGE "texobj - Win32 Release" (based on "Win32 (x86) Console Application")

+!MESSAGE "texobj - Win32 Debug" (based on "Win32 (x86) Console Application")

+!MESSAGE 

+

+# Begin Project

+# PROP AllowPerConfigDependencies 0

+# PROP Scc_ProjName ""

+# PROP Scc_LocalPath ""

+CPP=cl.exe

+RSC=rc.exe

+

+!IF  "$(CFG)" == "texobj - Win32 Release"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 0

+# PROP BASE Output_Dir "Release"

+# PROP BASE Intermediate_Dir "Release"

+# PROP BASE Target_Dir ""

+# PROP Use_MFC 0

+# PROP Use_Debug_Libraries 0

+# PROP Output_Dir "Release"

+# PROP Intermediate_Dir "Release"

+# PROP Ignore_Export_Lib 0

+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD CPP /nologo /W3 /GX /O2 /I "../../../include" /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD BASE RSC /l 0x409 /d "NDEBUG"

+# ADD RSC /l 0x409 /d "NDEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /machine:I386 /out:"../texobj.exe"

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

+PostBuild_Desc=Copy DLLs

+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

+# End Special Build Tool

+

+!ELSEIF  "$(CFG)" == "texobj - Win32 Debug"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 1

+# PROP BASE Output_Dir "Debug"

+# PROP BASE Intermediate_Dir "Debug"

+# PROP BASE Target_Dir ""

+# PROP Use_MFC 0

+# PROP Use_Debug_Libraries 1

+# PROP Output_Dir "Debug"

+# PROP Intermediate_Dir "Debug"

+# PROP Ignore_Export_Lib 0

+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD CPP /nologo /W3 /Gm /GX /ZI /Od /I "../../../include" /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD BASE RSC /l 0x409 /d "_DEBUG"

+# ADD RSC /l 0x409 /d "_DEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /debug /machine:I386 /out:"../texobj.exe" /pdbtype:sept

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

+PostBuild_Desc=Copy DLLs

+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

+# End Special Build Tool

+

+!ENDIF 

+

+# Begin Target

+

+# Name "texobj - Win32 Release"

+# Name "texobj - Win32 Debug"

+# Begin Group "Source Files"

+

+# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat"

+# Begin Source File

+

+SOURCE=..\texobj.c

+# End Source File

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+

+# PROP Default_Filter "h;hpp;hxx;hm;inl"

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+

+# PROP Default_Filter "ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe"

+# End Group

+# End Target

+# End Project

diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/trispd.dsp b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/trispd.dsp
new file mode 100644
index 000000000..7e27cf3d0
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/trispd.dsp
@@ -0,0 +1,112 @@
+# Microsoft Developer Studio Project File - Name="trispd" - Package Owner=<4>

+# Microsoft Developer Studio Generated Build File, Format Version 6.00

+# ** DO NOT EDIT **

+

+# TARGTYPE "Win32 (x86) Console Application" 0x0103

+

+CFG=trispd - Win32 Debug

+!MESSAGE This is not a valid makefile. To build this project using NMAKE,

+!MESSAGE use the Export Makefile command and run

+!MESSAGE 

+!MESSAGE NMAKE /f "trispd.mak".

+!MESSAGE 

+!MESSAGE You can specify a configuration when running NMAKE

+!MESSAGE by defining the macro CFG on the command line. For example:

+!MESSAGE 

+!MESSAGE NMAKE /f "trispd.mak" CFG="bounce - Win32 Debug"

+!MESSAGE 

+!MESSAGE Possible choices for configuration are:

+!MESSAGE 

+!MESSAGE "trispd - Win32 Release" (based on "Win32 (x86) Console Application")

+!MESSAGE "trispd - Win32 Debug" (based on "Win32 (x86) Console Application")

+!MESSAGE 

+

+# Begin Project

+# PROP AllowPerConfigDependencies 0

+# PROP Scc_ProjName ""

+# PROP Scc_LocalPath ""

+CPP=cl.exe

+RSC=rc.exe

+

+!IF  "$(CFG)" == "trispd - Win32 Release"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 0

+# PROP BASE Output_Dir "Release"

+# PROP BASE Intermediate_Dir "Release"

+# PROP BASE Target_Dir ""

+# PROP Use_MFC 0

+# PROP Use_Debug_Libraries 0

+# PROP Output_Dir "Release"

+# PROP Intermediate_Dir "Release"

+# PROP Ignore_Export_Lib 0

+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD CPP /nologo /W3 /GX /O2 /I "../../../include" /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD BASE RSC /l 0x409 /d "NDEBUG"

+# ADD RSC /l 0x409 /d "NDEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /machine:I386 /out:"../trispd.exe"

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

+PostBuild_Desc=Copy DLLs

+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

+# End Special Build Tool

+

+!ELSEIF  "$(CFG)" == "trispd - Win32 Debug"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 1

+# PROP BASE Output_Dir "Debug"

+# PROP BASE Intermediate_Dir "Debug"

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+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD CPP /nologo /W3 /Gm /GX /ZI /Od /I "../../../include" /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD BASE RSC /l 0x409 /d "_DEBUG"

+# ADD RSC /l 0x409 /d "_DEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /debug /machine:I386 /out:"../trispd.exe" /pdbtype:sept

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

+PostBuild_Desc=Copy DLLs

+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

+# End Special Build Tool

+

+!ENDIF 

+

+# Begin Target

+

+# Name "trispd - Win32 Release"

+# Name "trispd - Win32 Debug"

+# Begin Group "Source Files"

+

+# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat"

+# Begin Source File

+

+SOURCE=..\trispd.c

+# End Source File

+# End Group

+# Begin Group "Header Files"

+

+# PROP Default_Filter "h;hpp;hxx;hm;inl"

+# End Group

+# Begin Group "Resource Files"

+

+# PROP Default_Filter "ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe"

+# End Group

+# End Target

+# End Project

diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/tunnel.dsp b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/tunnel.dsp
new file mode 100644
index 000000000..965f109c3
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/tunnel.dsp
@@ -0,0 +1,112 @@
+# Microsoft Developer Studio Project File - Name="tunnel" - Package Owner=<4>

+# Microsoft Developer Studio Generated Build File, Format Version 6.00

+# ** DO NOT EDIT **

+

+# TARGTYPE "Win32 (x86) Console Application" 0x0103

+

+CFG=tunnel - Win32 Debug

+!MESSAGE This is not a valid makefile. To build this project using NMAKE,

+!MESSAGE use the Export Makefile command and run

+!MESSAGE 

+!MESSAGE NMAKE /f "tunnel.mak".

+!MESSAGE 

+!MESSAGE You can specify a configuration when running NMAKE

+!MESSAGE by defining the macro CFG on the command line. For example:

+!MESSAGE 

+!MESSAGE NMAKE /f "tunnel.mak" CFG="gloss - Win32 Debug"

+!MESSAGE 

+!MESSAGE Possible choices for configuration are:

+!MESSAGE 

+!MESSAGE "tunnel - Win32 Release" (based on "Win32 (x86) Console Application")

+!MESSAGE "tunnel - Win32 Debug" (based on "Win32 (x86) Console Application")

+!MESSAGE 

+

+# Begin Project

+# PROP AllowPerConfigDependencies 0

+# PROP Scc_ProjName ""

+# PROP Scc_LocalPath ""

+CPP=cl.exe

+RSC=rc.exe

+

+!IF  "$(CFG)" == "tunnel - Win32 Release"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 0

+# PROP BASE Output_Dir "Release"

+# PROP BASE Intermediate_Dir "Release"

+# PROP BASE Target_Dir ""

+# PROP Use_MFC 0

+# PROP Use_Debug_Libraries 0

+# PROP Output_Dir "Release"

+# PROP Intermediate_Dir "Release"

+# PROP Ignore_Export_Lib 0

+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD CPP /nologo /W3 /GX /O2 /I "../../util" /I "../../../include" /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD BASE RSC /l 0x409 /d "NDEBUG"

+# ADD RSC /l 0x409 /d "NDEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /machine:I386 /out:"../tunnel.exe"

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

+PostBuild_Desc=Copy DLLs

+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

+# End Special Build Tool

+

+!ELSEIF  "$(CFG)" == "tunnel - Win32 Debug"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 1

+# PROP BASE Output_Dir "Debug"

+# PROP BASE Intermediate_Dir "Debug"

+# PROP BASE Target_Dir ""

+# PROP Use_MFC 0

+# PROP Use_Debug_Libraries 1

+# PROP Output_Dir "Debug"

+# PROP Intermediate_Dir "Debug"

+# PROP Ignore_Export_Lib 0

+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD CPP /nologo /W3 /Gm /GX /ZI /Od /I "../../util" /I "../../../include" /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD BASE RSC /l 0x409 /d "_DEBUG"

+# ADD RSC /l 0x409 /d "_DEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /debug /machine:I386 /out:"../tunnel.exe" /pdbtype:sept

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

+PostBuild_Desc=Copy DLLs

+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

+# End Special Build Tool

+

+!ENDIF 

+

+# Begin Target

+

+# Name "tunnel - Win32 Release"

+# Name "tunnel - Win32 Debug"

+# Begin Group "Source Files"

+

+# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat"

+# Begin Source File

+

+SOURCE=..\tunnel.c

+# End Source File

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+# Begin Group "Header Files"

+

+# PROP Default_Filter "h;hpp;hxx;hm;inl"

+# End Group

+# Begin Group "Resource Files"

+

+# PROP Default_Filter "ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe"

+# End Group

+# End Target

+# End Project

diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/tunnel2.dsp b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/tunnel2.dsp
new file mode 100644
index 000000000..3ae2800a0
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/tunnel2.dsp
@@ -0,0 +1,112 @@
+# Microsoft Developer Studio Project File - Name="tunnel2" - Package Owner=<4>

+# Microsoft Developer Studio Generated Build File, Format Version 6.00

+# ** DO NOT EDIT **

+

+# TARGTYPE "Win32 (x86) Console Application" 0x0103

+

+CFG=tunnel2 - Win32 Debug

+!MESSAGE This is not a valid makefile. To build this project using NMAKE,

+!MESSAGE use the Export Makefile command and run

+!MESSAGE 

+!MESSAGE NMAKE /f "tunnel2.mak".

+!MESSAGE 

+!MESSAGE You can specify a configuration when running NMAKE

+!MESSAGE by defining the macro CFG on the command line. For example:

+!MESSAGE 

+!MESSAGE NMAKE /f "tunnel2.mak" CFG="gloss - Win32 Debug"

+!MESSAGE 

+!MESSAGE Possible choices for configuration are:

+!MESSAGE 

+!MESSAGE "tunnel2 - Win32 Release" (based on "Win32 (x86) Console Application")

+!MESSAGE "tunnel2 - Win32 Debug" (based on "Win32 (x86) Console Application")

+!MESSAGE 

+

+# Begin Project

+# PROP AllowPerConfigDependencies 0

+# PROP Scc_ProjName ""

+# PROP Scc_LocalPath ""

+CPP=cl.exe

+RSC=rc.exe

+

+!IF  "$(CFG)" == "tunnel2 - Win32 Release"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 0

+# PROP BASE Output_Dir "Release"

+# PROP BASE Intermediate_Dir "Release"

+# PROP BASE Target_Dir ""

+# PROP Use_MFC 0

+# PROP Use_Debug_Libraries 0

+# PROP Output_Dir "Release"

+# PROP Intermediate_Dir "Release"

+# PROP Ignore_Export_Lib 0

+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD CPP /nologo /W3 /GX /O2 /I "../../util" /I "../../../include" /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD BASE RSC /l 0x409 /d "NDEBUG"

+# ADD RSC /l 0x409 /d "NDEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /machine:I386 /out:"../tunnel2.exe"

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

+PostBuild_Desc=Copy DLLs

+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

+# End Special Build Tool

+

+!ELSEIF  "$(CFG)" == "tunnel2 - Win32 Debug"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 1

+# PROP BASE Output_Dir "Debug"

+# PROP BASE Intermediate_Dir "Debug"

+# PROP BASE Target_Dir ""

+# PROP Use_MFC 0

+# PROP Use_Debug_Libraries 1

+# PROP Output_Dir "Debug"

+# PROP Intermediate_Dir "Debug"

+# PROP Ignore_Export_Lib 0

+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD CPP /nologo /W3 /Gm /GX /ZI /Od /I "../../util" /I "../../../include" /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD BASE RSC /l 0x409 /d "_DEBUG"

+# ADD RSC /l 0x409 /d "_DEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /debug /machine:I386 /out:"../tunnel2.exe" /pdbtype:sept

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

+PostBuild_Desc=Copy DLLs

+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

+# End Special Build Tool

+

+!ENDIF 

+

+# Begin Target

+

+# Name "tunnel2 - Win32 Release"

+# Name "tunnel2 - Win32 Debug"

+# Begin Group "Source Files"

+

+# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat"

+# Begin Source File

+

+SOURCE=..\tunnel2.c

+# End Source File

+# End Group

+# Begin Group "Header Files"

+

+# PROP Default_Filter "h;hpp;hxx;hm;inl"

+# End Group

+# Begin Group "Resource Files"

+

+# PROP Default_Filter "ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe"

+# End Group

+# End Target

+# End Project

diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/winpos.dsp b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/winpos.dsp
new file mode 100644
index 000000000..b7b569e64
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/Windows/winpos.dsp
@@ -0,0 +1,112 @@
+# Microsoft Developer Studio Project File - Name="winpos" - Package Owner=<4>

+# Microsoft Developer Studio Generated Build File, Format Version 6.00

+# ** DO NOT EDIT **

+

+# TARGTYPE "Win32 (x86) Console Application" 0x0103

+

+CFG=winpos - Win32 Debug

+!MESSAGE This is not a valid makefile. To build this project using NMAKE,

+!MESSAGE use the Export Makefile command and run

+!MESSAGE 

+!MESSAGE NMAKE /f "winpos.mak".

+!MESSAGE 

+!MESSAGE You can specify a configuration when running NMAKE

+!MESSAGE by defining the macro CFG on the command line. For example:

+!MESSAGE 

+!MESSAGE NMAKE /f "winpos.mak" CFG="gloss - Win32 Debug"

+!MESSAGE 

+!MESSAGE Possible choices for configuration are:

+!MESSAGE 

+!MESSAGE "winpos - Win32 Release" (based on "Win32 (x86) Console Application")

+!MESSAGE "winpos - Win32 Debug" (based on "Win32 (x86) Console Application")

+!MESSAGE 

+

+# Begin Project

+# PROP AllowPerConfigDependencies 0

+# PROP Scc_ProjName ""

+# PROP Scc_LocalPath ""

+CPP=cl.exe

+RSC=rc.exe

+

+!IF  "$(CFG)" == "winpos - Win32 Release"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 0

+# PROP BASE Output_Dir "Release"

+# PROP BASE Intermediate_Dir "Release"

+# PROP BASE Target_Dir ""

+# PROP Use_MFC 0

+# PROP Use_Debug_Libraries 0

+# PROP Output_Dir "Release"

+# PROP Intermediate_Dir "Release"

+# PROP Ignore_Export_Lib 0

+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD CPP /nologo /W3 /GX /O2 /I "../../util" /I "../../../include" /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD BASE RSC /l 0x409 /d "NDEBUG"

+# ADD RSC /l 0x409 /d "NDEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /machine:I386 /out:"../winpos.exe"

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

+PostBuild_Desc=Copy DLLs

+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

+# End Special Build Tool

+

+!ELSEIF  "$(CFG)" == "winpos - Win32 Debug"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 1

+# PROP BASE Output_Dir "Debug"

+# PROP BASE Intermediate_Dir "Debug"

+# PROP BASE Target_Dir ""

+# PROP Use_MFC 0

+# PROP Use_Debug_Libraries 1

+# PROP Output_Dir "Debug"

+# PROP Intermediate_Dir "Debug"

+# PROP Ignore_Export_Lib 0

+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD CPP /nologo /W3 /Gm /GX /ZI /Od /I "../../util" /I "../../../include" /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD BASE RSC /l 0x409 /d "_DEBUG"

+# ADD RSC /l 0x409 /d "_DEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /debug /machine:I386 /out:"../winpos.exe" /pdbtype:sept

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

+PostBuild_Desc=Copy DLLs

+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

+# End Special Build Tool

+

+!ENDIF 

+

+# Begin Target

+

+# Name "winpos - Win32 Release"

+# Name "winpos - Win32 Debug"

+# Begin Group "Source Files"

+

+# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat"

+# Begin Source File

+

+SOURCE=..\winpos.c

+# End Source File

+# End Group

+# Begin Group "Header Files"

+

+# PROP Default_Filter "h;hpp;hxx;hm;inl"

+# End Group

+# Begin Group "Resource Files"

+

+# PROP Default_Filter "ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe"

+# End Group

+# End Target

+# End Project

diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/arbfplight.c b/nx-X11/extras/Mesa_6.4.2/progs/demos/arbfplight.c
new file mode 100644
index 000000000..6ad95d4d7
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/arbfplight.c
@@ -0,0 +1,395 @@
+/*
+ * Use GL_ARB_fragment_program and GL_ARB_vertex_program to implement
+ * simple per-pixel lighting.
+ *
+ * Brian Paul
+ * 17 April 2003
+ */
+
+#include <assert.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <GL/glut.h>
+
+
+static GLfloat Diffuse[4] = { 0.5, 0.5, 1.0, 1.0 };
+static GLfloat Specular[4] = { 0.8, 0.8, 0.8, 1.0 };
+static GLfloat LightPos[4] = { 0.0, 10.0, 20.0, 1.0 };
+static GLfloat Delta = 1.0;
+
+static GLuint FragProg;
+static GLuint VertProg;
+static GLboolean Anim = GL_TRUE;
+static GLboolean Wire = GL_FALSE;
+static GLboolean PixelLight = GL_TRUE;
+
+static GLint T0 = 0;
+static GLint Frames = 0;
+
+static GLfloat Xrot = 0, Yrot = 0;
+
+static PFNGLPROGRAMLOCALPARAMETER4FVARBPROC glProgramLocalParameter4fvARB_func;
+static PFNGLPROGRAMLOCALPARAMETER4DARBPROC glProgramLocalParameter4dARB_func;
+static PFNGLGETPROGRAMLOCALPARAMETERDVARBPROC glGetProgramLocalParameterdvARB_func;
+static PFNGLGENPROGRAMSARBPROC glGenProgramsARB_func;
+static PFNGLPROGRAMSTRINGARBPROC glProgramStringARB_func;
+static PFNGLBINDPROGRAMARBPROC glBindProgramARB_func;
+static PFNGLISPROGRAMARBPROC glIsProgramARB_func;
+static PFNGLDELETEPROGRAMSARBPROC glDeleteProgramsARB_func;
+
+/* These must match the indexes used in the fragment program */
+#define LIGHTPOS 3
+
+/* Set to one to test ARB_fog_linear program option */
+#define DO_FRAGMENT_FOG 0
+
+
+static void Redisplay( void )
+{
+   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+   if (PixelLight) {
+      glProgramLocalParameter4fvARB_func(GL_FRAGMENT_PROGRAM_ARB,
+                                         LIGHTPOS, LightPos);
+      glEnable(GL_FRAGMENT_PROGRAM_ARB);
+      glEnable(GL_VERTEX_PROGRAM_ARB);
+      glDisable(GL_LIGHTING);
+   }
+   else {
+      glLightfv(GL_LIGHT0, GL_POSITION, LightPos);
+      glDisable(GL_FRAGMENT_PROGRAM_ARB);
+      glDisable(GL_VERTEX_PROGRAM_ARB);
+      glEnable(GL_LIGHTING);
+   }
+
+   glPushMatrix();
+   glRotatef(Xrot, 1, 0, 0);
+   glRotatef(Yrot, 0, 1, 0);
+   glutSolidSphere(2.0, 10, 5);
+   glPopMatrix();
+
+   glutSwapBuffers();
+
+   Frames++;
+
+   if (Anim) {
+      GLint t = glutGet(GLUT_ELAPSED_TIME);
+      if (t - T0 >= 5000) {
+	 GLfloat seconds = (t - T0) / 1000.0;
+	 GLfloat fps = Frames / seconds;
+	 printf("%d frames in %6.3f seconds = %6.3f FPS\n", Frames, seconds, fps);
+	 T0 = t;
+	 Frames = 0;
+      }
+   }
+}
+
+
+static void Idle(void)
+{
+   LightPos[0] += Delta;
+   if (LightPos[0] > 25.0)
+      Delta = -1.0;
+   else if (LightPos[0] <- 25.0)
+      Delta = 1.0;
+   glutPostRedisplay();
+}
+
+
+static void Reshape( int width, int height )
+{
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glFrustum( -1.0, 1.0, -1.0, 1.0, 5.0, 25.0 );
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   glTranslatef( 0.0, 0.0, -15.0 );
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+     case ' ':
+     case 'a':
+        Anim = !Anim;
+        if (Anim)
+           glutIdleFunc(Idle);
+        else
+           glutIdleFunc(NULL);
+        break;
+      case 'x':
+         LightPos[0] -= 1.0;
+         break;
+      case 'X':
+         LightPos[0] += 1.0;
+         break;
+      case 'w':
+         Wire = !Wire;
+         if (Wire)
+            glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
+         else
+            glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
+         break;
+      case 'p':
+         PixelLight = !PixelLight;
+         if (PixelLight) {
+            printf("Per-pixel lighting\n");
+         }
+         else {
+            printf("Conventional lighting\n");
+         }
+         break;
+      case 27:
+         glDeleteProgramsARB_func(1, &VertProg);
+         glDeleteProgramsARB_func(1, &FragProg);
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+static void SpecialKey( int key, int x, int y )
+{
+   const GLfloat step = 3.0;
+   (void) x;
+   (void) y;
+   switch (key) {
+      case GLUT_KEY_UP:
+         Xrot -= step;
+         break;
+      case GLUT_KEY_DOWN:
+         Xrot += step;
+         break;
+      case GLUT_KEY_LEFT:
+         Yrot -= step;
+         break;
+      case GLUT_KEY_RIGHT:
+         Yrot += step;
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+/* A helper for finding errors in program strings */
+static int FindLine( const char *program, int position )
+{
+   int i, line = 1;
+   for (i = 0; i < position; i++) {
+      if (program[i] == '\n')
+         line++;
+   }
+   return line;
+}
+
+
+static void Init( void )
+{
+   GLint errorPos;
+
+   /* Yes, this could be expressed more efficiently */
+   static const char *fragProgramText =
+      "!!ARBfp1.0\n"
+#if DO_FRAGMENT_FOG
+      "OPTION ARB_fog_linear; \n"
+#endif
+      "PARAM Diffuse = state.material.diffuse; \n"
+      "PARAM Specular = state.material.specular; \n"
+      "PARAM LightPos = program.local[3]; \n"
+      "TEMP lightDir, normal, len; \n"
+      "TEMP dotProd, specAtten; \n"
+      "TEMP diffuseColor, specularColor; \n"
+
+      "# Compute normalized light direction \n"
+      "DP3 len.x, LightPos, LightPos; \n"
+      "RSQ len.y, len.x; \n"
+      "MUL lightDir, LightPos, len.y; \n"
+
+      "# Compute normalized normal \n"
+      "DP3 len.x, fragment.texcoord[0], fragment.texcoord[0]; \n"
+      "RSQ len.y, len.x; \n"
+      "MUL normal, fragment.texcoord[0], len.y; \n"
+
+      "# Compute dot product of light direction and normal vector\n"
+      "DP3_SAT dotProd, lightDir, normal;             # limited to [0,1]\n"
+
+      "MUL diffuseColor, Diffuse, dotProd;            # diffuse attenuation\n"
+
+      "POW specAtten.x, dotProd.x, {20.0}.x;          # specular exponent\n"
+
+      "MUL specularColor, Specular, specAtten.x;      # specular attenuation\n"
+
+#if DO_FRAGMENT_FOG
+      "# need to clamp color to [0,1] before fogging \n"
+      "ADD_SAT result.color, diffuseColor, specularColor; # add colors\n"
+#else
+      "# clamping will be done after program's finished \n"
+      "ADD result.color, diffuseColor, specularColor; # add colors\n"
+#endif
+      "END \n"
+      ;
+
+   static const char *vertProgramText =
+      "!!ARBvp1.0\n"
+      "ATTRIB pos = vertex.position; \n"
+      "ATTRIB norm = vertex.normal; \n"
+      "PARAM modelview[4] = { state.matrix.modelview }; \n"
+      "PARAM modelviewProj[4] = { state.matrix.mvp }; \n"
+      "PARAM invModelview[4] = { state.matrix.modelview.invtrans }; \n"
+
+      "# typical modelview/projection transform \n"
+      "DP4 result.position.x, pos, modelviewProj[0]; \n"
+      "DP4 result.position.y, pos, modelviewProj[1]; \n"
+      "DP4 result.position.z, pos, modelviewProj[2]; \n"
+      "DP4 result.position.w, pos, modelviewProj[3]; \n"
+
+      "# transform normal by inv transpose of modelview, put in tex0 \n"
+      "DP3 result.texcoord[0].x, norm, invModelview[0]; \n"
+      "DP3 result.texcoord[0].y, norm, invModelview[1]; \n"
+      "DP3 result.texcoord[0].z, norm, invModelview[2]; \n"
+      "DP3 result.texcoord[0].w, norm, invModelview[3]; \n"
+
+#if DO_FRAGMENT_FOG
+      "# compute fog coordinate = vertex eye-space Z coord (negated)\n"
+      "DP4 result.fogcoord, -pos, modelview[2]; \n"
+#endif
+      "END\n";
+      ;
+
+   if (!glutExtensionSupported("GL_ARB_vertex_program")) {
+      printf("Sorry, this demo requires GL_ARB_vertex_program\n");
+      exit(1);
+   }
+   if (!glutExtensionSupported("GL_ARB_fragment_program")) {
+      printf("Sorry, this demo requires GL_ARB_fragment_program\n");
+      exit(1);
+   }
+         
+   /*
+    * Get extension function pointers.
+    */
+   glProgramLocalParameter4fvARB_func = (PFNGLPROGRAMLOCALPARAMETER4FVARBPROC) glutGetProcAddress("glProgramLocalParameter4fvARB");
+   assert(glProgramLocalParameter4fvARB_func);
+
+   glProgramLocalParameter4dARB_func = (PFNGLPROGRAMLOCALPARAMETER4DARBPROC) glutGetProcAddress("glProgramLocalParameter4dARB");
+   assert(glProgramLocalParameter4dARB_func);
+
+   glGetProgramLocalParameterdvARB_func = (PFNGLGETPROGRAMLOCALPARAMETERDVARBPROC) glutGetProcAddress("glGetProgramLocalParameterdvARB");
+   assert(glGetProgramLocalParameterdvARB_func);
+
+   glGenProgramsARB_func = (PFNGLGENPROGRAMSARBPROC) glutGetProcAddress("glGenProgramsARB");
+   assert(glGenProgramsARB_func);
+
+   glProgramStringARB_func = (PFNGLPROGRAMSTRINGARBPROC) glutGetProcAddress("glProgramStringARB");
+   assert(glProgramStringARB_func);
+
+   glBindProgramARB_func = (PFNGLBINDPROGRAMARBPROC) glutGetProcAddress("glBindProgramARB");
+   assert(glBindProgramARB_func);
+
+   glIsProgramARB_func = (PFNGLISPROGRAMARBPROC) glutGetProcAddress("glIsProgramARB");
+   assert(glIsProgramARB_func);
+
+   glDeleteProgramsARB_func = (PFNGLDELETEPROGRAMSARBPROC) glutGetProcAddress("glDeleteProgramsARB");
+   assert(glDeleteProgramsARB_func);
+
+   /*
+    * Fragment program
+    */
+   glGenProgramsARB_func(1, &FragProg);
+   assert(FragProg > 0);
+   glBindProgramARB_func(GL_FRAGMENT_PROGRAM_ARB, FragProg);
+   glProgramStringARB_func(GL_FRAGMENT_PROGRAM_ARB,
+                           GL_PROGRAM_FORMAT_ASCII_ARB,
+                           strlen(fragProgramText),
+                           (const GLubyte *) fragProgramText);
+   glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &errorPos);
+   if (glGetError() != GL_NO_ERROR || errorPos != -1) {
+      int l = FindLine(fragProgramText, errorPos);
+      printf("Fragment Program Error (pos=%d line=%d): %s\n", errorPos, l,
+             (char *) glGetString(GL_PROGRAM_ERROR_STRING_ARB));
+      exit(0);
+   }
+   assert(glIsProgramARB_func(FragProg));
+
+   /*
+    * Do some sanity tests
+    */
+   {
+      GLdouble v[4];
+      glProgramLocalParameter4dARB_func(GL_FRAGMENT_PROGRAM_ARB, 8,
+                                   10.0, 20.0, 30.0, 40.0);
+      glGetProgramLocalParameterdvARB_func(GL_FRAGMENT_PROGRAM_ARB, 8, v);
+      assert(v[0] == 10.0);
+      assert(v[1] == 20.0);
+      assert(v[2] == 30.0);
+      assert(v[3] == 40.0);
+   }
+
+   /*
+    * Vertex program
+    */
+   glGenProgramsARB_func(1, &VertProg);
+   assert(VertProg > 0);
+   glBindProgramARB_func(GL_VERTEX_PROGRAM_ARB, VertProg);
+   glProgramStringARB_func(GL_VERTEX_PROGRAM_ARB,
+                           GL_PROGRAM_FORMAT_ASCII_ARB,
+                           strlen(vertProgramText),
+                           (const GLubyte *) vertProgramText);
+   glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &errorPos);
+   if (glGetError() != GL_NO_ERROR || errorPos != -1) {
+      int l = FindLine(fragProgramText, errorPos);
+      printf("Vertex Program Error (pos=%d line=%d): %s\n", errorPos, l,
+             (char *) glGetString(GL_PROGRAM_ERROR_STRING_ARB));
+      exit(0);
+   }
+   assert(glIsProgramARB_func(VertProg));
+
+   /*
+    * Misc init
+    */
+   glClearColor(0.3, 0.3, 0.3, 0.0);
+   glEnable(GL_DEPTH_TEST);
+   glEnable(GL_LIGHT0);
+   glEnable(GL_LIGHTING);
+   glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, Diffuse);
+   glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, Specular);
+   glMaterialf(GL_FRONT_AND_BACK, GL_SHININESS, 20.0);
+
+#if DO_FRAGMENT_FOG
+   {
+      /* Green-ish fog color */
+      static const GLfloat fogColor[4] = {0.5, 1.0, 0.5, 0};
+      glFogfv(GL_FOG_COLOR, fogColor);
+      glFogf(GL_FOG_START, 5.0);
+      glFogf(GL_FOG_END, 25.0);
+   }
+#endif
+
+   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
+   printf("Press p to toggle between per-pixel and per-vertex lighting\n");
+}
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( 200, 200 );
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
+   glutCreateWindow(argv[0]);
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutSpecialFunc( SpecialKey );
+   glutDisplayFunc( Redisplay );
+   if (Anim)
+      glutIdleFunc(Idle);
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/arbocclude.c b/nx-X11/extras/Mesa_6.4.2/progs/demos/arbocclude.c
new file mode 100644
index 000000000..ddbb1f1b7
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/arbocclude.c
@@ -0,0 +1,283 @@
+/*
+ * GL_ARB_occlusion_query demo
+ *
+ * Brian Paul
+ * 12 June 2003
+ *
+ * Copyright (C) 2003  Brian Paul   All Rights Reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+
+#define TEST_DISPLAY_LISTS 0
+
+static GLboolean Anim = GL_TRUE;
+static GLfloat Xpos = 0;
+static GLuint OccQuery;
+
+
+
+static void
+PrintString(const char *s)
+{
+   while (*s) {
+      glutBitmapCharacter(GLUT_BITMAP_8_BY_13, (int) *s);
+      s++;
+   }
+}
+
+
+
+static void Idle(void)
+{
+   static int lastTime = 0;
+   static int sign = +1;
+   int time = glutGet(GLUT_ELAPSED_TIME);
+   float step;
+
+   if (lastTime == 0)
+      lastTime = time;
+   else if (time - lastTime < 20)  /* 50Hz update */
+      return;
+
+   step = (time - lastTime) / 1000.0 * sign;
+   lastTime = time;
+
+   Xpos += step;
+
+   if (Xpos > 2.5) {
+      Xpos = 2.5;
+      sign = -1;
+   }
+   else if (Xpos < -2.5) {
+      Xpos = -2.5;
+      sign = +1;
+   }
+   glutPostRedisplay();
+}
+
+
+static void Display( void )
+{
+   GLuint passed;
+   GLint ready;
+   char s[100];
+
+   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glFrustum( -1.0, 1.0, -1.0, 1.0, 5.0, 25.0 );
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   glTranslatef( 0.0, 0.0, -15.0 );
+
+   /* draw the occluding polygons */
+   glColor3f(0, 0.6, 0.8);
+   glBegin(GL_QUADS);
+   glVertex2f(-1.6, -1.5);
+   glVertex2f(-0.4, -1.5);
+   glVertex2f(-0.4,  1.5);
+   glVertex2f(-1.6,  1.5);
+
+   glVertex2f( 0.4, -1.5);
+   glVertex2f( 1.6, -1.5);
+   glVertex2f( 1.6,  1.5);
+   glVertex2f( 0.4,  1.5);
+   glEnd();
+
+   /* draw the test polygon with occlusion testing */
+   glPushMatrix();
+   glTranslatef(Xpos, 0, -0.5);
+   glScalef(0.3, 0.3, 1.0);
+   glRotatef(-90.0 * Xpos, 0, 0, 1);
+
+#if defined(GL_ARB_occlusion_query)
+#if TEST_DISPLAY_LISTS
+   glNewList(10, GL_COMPILE);
+   glBeginQueryARB(GL_SAMPLES_PASSED_ARB, OccQuery);
+   glEndList();
+   glCallList(10);
+#else
+   glBeginQueryARB(GL_SAMPLES_PASSED_ARB, OccQuery);
+#endif
+
+   glColorMask(0, 0, 0, 0);
+   glDepthMask(GL_FALSE);
+
+   glBegin(GL_POLYGON);
+   glVertex3f(-1, -1, 0);
+   glVertex3f( 1, -1, 0);
+   glVertex3f( 1,  1, 0);
+   glVertex3f(-1,  1, 0);
+   glEnd();
+
+#if TEST_DISPLAY_LISTS
+   glNewList(11, GL_COMPILE);
+   glEndQueryARB(GL_SAMPLES_PASSED_ARB);
+   glEndList();
+   glCallList(11);
+#else
+   glEndQueryARB(GL_SAMPLES_PASSED_ARB);
+#endif
+
+   do {
+      /* do useful work here, if any */
+      glGetQueryObjectivARB(OccQuery, GL_QUERY_RESULT_AVAILABLE_ARB, &ready);
+   } while (!ready);
+   glGetQueryObjectuivARB(OccQuery, GL_QUERY_RESULT_ARB, &passed);
+
+   /* turn off occlusion testing */
+   glColorMask(1, 1, 1, 1);
+   glDepthMask(GL_TRUE);
+#endif /* GL_ARB_occlusion_query */
+
+   /* draw the orange rect, so we can see what's going on */
+   glColor3f(0.8, 0.5, 0);
+   glBegin(GL_POLYGON);
+   glVertex3f(-1, -1, 0);
+   glVertex3f( 1, -1, 0);
+   glVertex3f( 1,  1, 0);
+   glVertex3f(-1,  1, 0);
+   glEnd();
+
+   glPopMatrix();
+
+
+   /* Print result message */
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glOrtho( -1.0, 1.0, -1.0, 1.0, -1.0, 1.0 );
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+
+   glColor3f(1, 1, 1);
+#if defined(GL_ARB_occlusion_query)
+   sprintf(s, " %4d Fragments Visible", passed);
+   glRasterPos3f(-0.50, -0.7, 0);
+   PrintString(s);
+   if (!passed) {
+      glRasterPos3f(-0.25, -0.8, 0);
+      PrintString("Fully Occluded");
+   }
+#else
+   glRasterPos3f(-0.25, -0.8, 0);
+   PrintString("GL_ARB_occlusion_query not available at compile time");
+#endif /* GL_ARB_occlusion_query */
+
+   glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+   glViewport( 0, 0, width, height );
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+      case ' ':
+         Anim = !Anim;
+         if (Anim)
+            glutIdleFunc(Idle);
+         else
+            glutIdleFunc(NULL);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void SpecialKey( int key, int x, int y )
+{
+   const GLfloat step = 0.1;
+   (void) x;
+   (void) y;
+   switch (key) {
+      case GLUT_KEY_LEFT:
+         Xpos -= step;
+         break;
+      case GLUT_KEY_RIGHT:
+         Xpos += step;
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void Init( void )
+{
+   const char *ext = (const char *) glGetString(GL_EXTENSIONS);
+   GLint bits;
+
+   if (!strstr(ext, "GL_ARB_occlusion_query")) {
+      printf("Sorry, this demo requires the GL_ARB_occlusion_query extension\n");
+      exit(-1);
+   }
+
+#if defined(GL_ARB_occlusion_query)
+   glGetQueryivARB(GL_SAMPLES_PASSED_ARB, GL_QUERY_COUNTER_BITS_ARB, &bits);
+   if (!bits) {
+      printf("Hmmm, GL_QUERY_COUNTER_BITS_ARB is zero!\n");
+      exit(-1);
+   }
+#endif /* GL_ARB_occlusion_query */
+
+   glGetIntegerv(GL_DEPTH_BITS, &bits);
+   printf("Depthbits: %d\n", bits);
+
+#if defined(GL_ARB_occlusion_query)
+   glGenQueriesARB(1, &OccQuery);
+   assert(OccQuery > 0);
+#endif /* GL_ARB_occlusion_query */
+
+   glEnable(GL_DEPTH_TEST);
+}
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( 400, 400 );
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
+   glutCreateWindow(argv[0]);
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutSpecialFunc( SpecialKey );
+   glutIdleFunc( Idle );
+   glutDisplayFunc( Display );
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/bounce.c b/nx-X11/extras/Mesa_6.4.2/progs/demos/bounce.c
new file mode 100644
index 000000000..2f3fa9fd9
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/bounce.c
@@ -0,0 +1,228 @@
+
+/*
+ * Bouncing ball demo.
+ *
+ * This program is in the public domain
+ *
+ * Brian Paul
+ *
+ * Conversion to GLUT by Mark J. Kilgard
+ */
+
+
+#include <math.h>
+#include <stdlib.h>
+#include <string.h>
+#include <GL/glut.h>
+#include <sys/time.h>
+#include <time.h>
+
+#define COS(X)   cos( (X) * 3.14159/180.0 )
+#define SIN(X)   sin( (X) * 3.14159/180.0 )
+
+#define RED 1
+#define WHITE 2
+#define CYAN 3
+
+GLboolean IndexMode = GL_FALSE;
+GLuint Ball;
+GLenum Mode;
+GLfloat Zrot = 0.0, Zstep = 180.0;
+GLfloat Xpos = 0.0, Ypos = 1.0;
+GLfloat Xvel = 2.0, Yvel = 0.0;
+GLfloat Xmin = -4.0, Xmax = 4.0;
+GLfloat Ymin = -3.8, Ymax = 4.0;
+GLfloat G = -9.8;
+
+static GLuint 
+make_ball(void)
+{
+  GLuint list;
+  GLfloat a, b;
+  GLfloat da = 18.0, db = 18.0;
+  GLfloat radius = 1.0;
+  GLuint color;
+  GLfloat x, y, z;
+
+  list = glGenLists(1);
+
+  glNewList(list, GL_COMPILE);
+
+  color = 0;
+  for (a = -90.0; a + da <= 90.0; a += da) {
+
+    glBegin(GL_QUAD_STRIP);
+    for (b = 0.0; b <= 360.0; b += db) {
+
+      if (color) {
+	glIndexi(RED);
+        glColor3f(1, 0, 0);
+      } else {
+	glIndexi(WHITE);
+        glColor3f(1, 1, 1);
+      }
+
+      x = radius * COS(b) * COS(a);
+      y = radius * SIN(b) * COS(a);
+      z = radius * SIN(a);
+      glVertex3f(x, y, z);
+
+      x = radius * COS(b) * COS(a + da);
+      y = radius * SIN(b) * COS(a + da);
+      z = radius * SIN(a + da);
+      glVertex3f(x, y, z);
+
+      color = 1 - color;
+    }
+    glEnd();
+
+  }
+
+  glEndList();
+
+  return list;
+}
+
+static void 
+reshape(int width, int height)
+{
+  float aspect = (float) width / (float) height;
+  glViewport(0, 0, (GLint) width, (GLint) height);
+  glMatrixMode(GL_PROJECTION);
+  glLoadIdentity();
+  glOrtho(-6.0 * aspect, 6.0 * aspect, -6.0, 6.0, -6.0, 6.0);
+  glMatrixMode(GL_MODELVIEW);
+}
+
+/* ARGSUSED1 */
+static void
+key(unsigned char k, int x, int y)
+{
+  switch (k) {
+  case 27:  /* Escape */
+    exit(0);
+  }
+}
+
+static void 
+draw(void)
+{
+  GLint i;
+
+  glClear(GL_COLOR_BUFFER_BIT);
+
+  glIndexi(CYAN);
+  glColor3f(0, 1, 1);
+  glBegin(GL_LINES);
+  for (i = -5; i <= 5; i++) {
+    glVertex2i(i, -5);
+    glVertex2i(i, 5);
+  }
+  for (i = -5; i <= 5; i++) {
+    glVertex2i(-5, i);
+    glVertex2i(5, i);
+  }
+  for (i = -5; i <= 5; i++) {
+    glVertex2i(i, -5);
+    glVertex2f(i * 1.15, -5.9);
+  }
+  glVertex2f(-5.3, -5.35);
+  glVertex2f(5.3, -5.35);
+  glVertex2f(-5.75, -5.9);
+  glVertex2f(5.75, -5.9);
+  glEnd();
+
+  glPushMatrix();
+  glTranslatef(Xpos, Ypos, 0.0);
+  glScalef(2.0, 2.0, 2.0);
+  glRotatef(8.0, 0.0, 0.0, 1.0);
+  glRotatef(90.0, 1.0, 0.0, 0.0);
+  glRotatef(Zrot, 0.0, 0.0, 1.0);
+
+  glCallList(Ball);
+
+  glPopMatrix();
+
+  glFlush();
+  glutSwapBuffers();
+}
+
+static void 
+idle(void)
+{
+  static float vel0 = -100.0;
+  static double t0 = -1.;
+  double t, dt;
+  t = glutGet(GLUT_ELAPSED_TIME) / 1000.;
+  if (t0 < 0.)
+     t0 = t;
+  dt = t - t0;
+  t0 = t;
+
+  Zrot += Zstep*dt;
+
+  Xpos += Xvel*dt;
+  if (Xpos >= Xmax) {
+    Xpos = Xmax;
+    Xvel = -Xvel;
+    Zstep = -Zstep;
+  }
+  if (Xpos <= Xmin) {
+    Xpos = Xmin;
+    Xvel = -Xvel;
+    Zstep = -Zstep;
+  }
+  Ypos += Yvel*dt;
+  Yvel += G*dt;
+  if (Ypos < Ymin) {
+    Ypos = Ymin;
+    if (vel0 == -100.0)
+      vel0 = fabs(Yvel);
+    Yvel = vel0;
+  }
+  glutPostRedisplay();
+}
+
+static void 
+visible(int vis)
+{
+  if (vis == GLUT_VISIBLE)
+    glutIdleFunc(idle);
+  else
+    glutIdleFunc(NULL);
+}
+
+int main(int argc, char *argv[])
+{
+  glutInit(&argc, argv);
+  glutInitWindowPosition(0, 0);
+  glutInitWindowSize(600, 450);
+
+
+  IndexMode = argc > 1 && strcmp(argv[1], "-ci") == 0;
+  if (IndexMode)
+     glutInitDisplayMode(GLUT_INDEX | GLUT_DOUBLE);
+  else
+     glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE);
+
+  glutCreateWindow("Bounce");
+  Ball = make_ball();
+  glCullFace(GL_BACK);
+  glEnable(GL_CULL_FACE);
+  glDisable(GL_DITHER);
+  glShadeModel(GL_FLAT);
+
+  glutDisplayFunc(draw);
+  glutReshapeFunc(reshape);
+  glutVisibilityFunc(visible);
+  glutKeyboardFunc(key);
+
+  if (IndexMode) {
+    glutSetColor(RED, 1.0, 0.0, 0.0);
+    glutSetColor(WHITE, 1.0, 1.0, 1.0);
+    glutSetColor(CYAN, 0.0, 1.0, 1.0);
+  }
+
+  glutMainLoop();
+  return 0;             /* ANSI C requires main to return int. */
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/clearspd.c b/nx-X11/extras/Mesa_6.4.2/progs/demos/clearspd.c
new file mode 100644
index 000000000..42953f667
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/clearspd.c
@@ -0,0 +1,218 @@
+
+/*
+ * Simple GLUT program to measure glClear() and glutSwapBuffers() speed.
+ * Brian Paul  February 15, 1997  This file in public domain.
+ */
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <string.h>
+#include <GL/glut.h>
+
+
+static float MinPeriod = 2.0;   /* 2 seconds */
+static int ColorMode = GLUT_RGB;
+static int Width = 400.0;
+static int Height = 400.0;
+static int Loops = 100;
+static float ClearColor = 0.0;
+static GLbitfield BufferMask = GL_COLOR_BUFFER_BIT;
+static GLboolean SwapFlag = GL_FALSE;
+
+
+
+static void Idle( void )
+{
+   glutPostRedisplay();
+}
+
+
+static void Display( void )
+{
+   double t0, t1;
+   double clearRate;
+   double pixelRate;
+   int i;
+
+   glClearColor( ClearColor, ClearColor, ClearColor, 0.0 );
+   ClearColor += 0.1;
+   if (ClearColor>1.0)
+      ClearColor = 0.0;
+
+   if (SwapFlag) {
+      t0 = glutGet(GLUT_ELAPSED_TIME) * 0.001;
+      for (i=0;i<Loops;i++) {
+         glClear( BufferMask );
+         glutSwapBuffers();
+      }
+      glFinish();
+      t1 = glutGet(GLUT_ELAPSED_TIME) * 0.001;
+   }
+   else {
+      t0 = glutGet(GLUT_ELAPSED_TIME) * 0.001;
+      for (i=0;i<Loops;i++) {
+         glClear( BufferMask );
+      }
+      glFinish();
+      t1 = glutGet(GLUT_ELAPSED_TIME) * 0.001;
+      glutSwapBuffers();
+   }
+
+   /* NOTE: If clearspd doesn't map it's window immediately on
+    * starting, swaps will be istantaneous, so this will send Loops
+    * towards infinity.  When a window is finally mapped, it may be
+    * minutes before the first call to glutSwapBuffers, making it look
+    * like there's a driver bug.
+    */
+   if (t1-t0 < MinPeriod) {
+      /* Next time do more clears to get longer elapsed time */
+      Loops *= 2;
+      return;
+   }
+
+   clearRate = Loops / (t1-t0);
+   pixelRate = clearRate * Width * Height;
+   if (SwapFlag) {
+      printf("Rate: %d clears+swaps in %gs = %g clears+swaps/s   %g pixels/s\n",
+             Loops, t1-t0, clearRate, pixelRate );
+   }
+   else {
+      printf("Rate: %d clears in %gs = %g clears/s   %g pixels/s\n",
+             Loops, t1-t0, clearRate, pixelRate);
+   }
+}
+
+
+static void Reshape( int width, int height )
+{
+   Width = width;
+   Height = height;
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glOrtho(0.0, width, 0.0, height, -1.0, 1.0);
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void Init( int argc, char *argv[] )
+{
+   int i;
+   for (i=1; i<argc; i++) {
+      if (strcmp(argv[i],"+rgb")==0)
+         ColorMode = GLUT_RGB;
+      else if (strcmp(argv[i],"+ci")==0)
+         ColorMode = GLUT_INDEX;
+      else if (strcmp(argv[i],"-color")==0)
+         BufferMask = 0;
+      else if (strcmp(argv[i],"+depth")==0)
+         BufferMask |= GL_DEPTH_BUFFER_BIT;
+      else if (strcmp(argv[i],"+alpha")==0)
+         ColorMode = GLUT_RGB | GLUT_ALPHA;
+      else if (strcmp(argv[i],"+stencil")==0)
+         BufferMask |= GL_STENCIL_BUFFER_BIT;
+      else if (strcmp(argv[i],"+accum")==0)
+         BufferMask |= GL_ACCUM_BUFFER_BIT;
+      else if (strcmp(argv[i],"-width")==0) {
+         Width = atoi(argv[i+1]);
+         i++;
+      }
+      else if (strcmp(argv[i],"-height")==0) {
+         Height = atoi(argv[i+1]);
+         i++;
+      }
+      else if (strcmp(argv[i],"+swap")==0) {
+         SwapFlag = GL_TRUE;
+      }
+      else if (strcmp(argv[i],"-swap")==0) {
+         SwapFlag = GL_FALSE;
+      }
+      else
+         printf("Unknown option: %s\n", argv[i]);
+   }
+
+   if (ColorMode & GLUT_ALPHA)
+      printf("Mode:  RGB + Alpha\n");
+   else if (ColorMode==GLUT_RGB)
+      printf("Mode:  RGB\n");
+   else
+      printf("Mode:  Color Index\n");
+   printf("SwapBuffers: %s\n", SwapFlag ? "yes" : "no" );
+   printf("Size: %d x %d\n", Width, Height);
+   printf("Buffers: ");
+   if (BufferMask & GL_COLOR_BUFFER_BIT)  printf("color ");
+   if (BufferMask & GL_DEPTH_BUFFER_BIT)  printf("depth ");
+   if (BufferMask & GL_STENCIL_BUFFER_BIT)  printf("stencil ");
+   if (BufferMask & GL_ACCUM_BUFFER_BIT)  printf("accum ");
+   printf("\n");
+}
+
+
+static void Help( const char *program )
+{
+   printf("%s options:\n", program);
+   printf("  +rgb       RGB mode\n");
+   printf("  +ci        color index mode\n");
+   printf("  -color     don't clear color buffer\n");
+   printf("  +alpha     clear alpha buffer\n");
+   printf("  +depth     clear depth buffer\n");
+   printf("  +stencil   clear stencil buffer\n");
+   printf("  +accum     clear accum buffer\n");
+   printf("  +swap      also do SwapBuffers\n");
+   printf("  -swap      don't do SwapBuffers\n");
+}
+
+
+int main( int argc, char *argv[] )
+{
+   GLint mode;
+
+   printf("For options:  %s -help\n", argv[0]);
+
+   Init( argc, argv );
+
+   glutInit( &argc, argv );
+   glutInitWindowSize( (int) Width, (int) Height );
+   glutInitWindowPosition( 0, 0 );
+
+   mode = ColorMode | GLUT_DOUBLE;
+   if (BufferMask & GL_STENCIL_BUFFER_BIT)
+      mode |= GLUT_STENCIL;
+   if (BufferMask & GL_ACCUM_BUFFER_BIT)
+      mode |= GLUT_ACCUM;
+   if (BufferMask & GL_DEPTH_BUFFER_BIT)
+      mode |= GLUT_DEPTH;
+         
+   glutInitDisplayMode(mode);
+
+   glutCreateWindow( argv[0] );
+
+   if (argc==2 && strcmp(argv[1],"-help")==0) {
+      Help(argv[0]);
+      return 0;
+   }
+
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutDisplayFunc( Display );
+   glutIdleFunc( Idle );
+
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/cubemap.c b/nx-X11/extras/Mesa_6.4.2/progs/demos/cubemap.c
new file mode 100644
index 000000000..0a59b9898
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/cubemap.c
@@ -0,0 +1,475 @@
+/*
+ * GL_ARB_texture_cube_map demo
+ *
+ * Brian Paul
+ * May 2000
+ *
+ *
+ * Copyright (C) 2000  Brian Paul   All Rights Reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+/*
+ * This is a pretty minimalistic demo for now.  Eventually, use some
+ * interesting cube map textures and 3D objects.
+ * For now, we use 6 checkerboard "walls" and a sphere (good for
+ * verification purposes).
+ */
+
+
+#include <assert.h>
+#include <math.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "GL/glut.h"
+#include "readtex.h"
+
+
+static GLfloat Xrot = 0, Yrot = 0;
+static GLfloat EyeDist = 10;
+static GLboolean use_vertex_arrays = GL_FALSE;
+static GLboolean anim = GL_TRUE;
+
+#define eps1 0.99
+#define br   20.0  /* box radius */
+
+static const GLfloat tex_coords[] = {
+   /* +X side */
+   1.0, -eps1, -eps1,
+   1.0, -eps1,  eps1,
+   1.0,  eps1,  eps1,
+   1.0,  eps1, -eps1,
+
+   /* -X side */
+   -1.0,  eps1, -eps1,
+   -1.0,  eps1,  eps1,
+   -1.0, -eps1,  eps1,
+   -1.0, -eps1, -eps1,
+
+   /* +Y side */
+   -eps1, 1.0, -eps1,
+   -eps1, 1.0,  eps1,
+    eps1, 1.0,  eps1,
+    eps1, 1.0, -eps1,
+
+   /* -Y side */
+   -eps1, -1.0, -eps1,
+   -eps1, -1.0,  eps1,
+    eps1, -1.0,  eps1,
+    eps1, -1.0, -eps1,
+
+   /* +Z side */
+    eps1, -eps1, 1.0,
+   -eps1, -eps1, 1.0,
+   -eps1,  eps1, 1.0,
+    eps1,  eps1, 1.0,
+
+   /* -Z side */
+    eps1,  eps1, -1.0,
+   -eps1,  eps1, -1.0,
+   -eps1, -eps1, -1.0,
+    eps1, -eps1, -1.0,
+};
+
+static const GLfloat vtx_coords[] = {
+   /* +X side */
+   br, -br, -br,
+   br, -br,  br,
+   br,  br,  br,
+   br,  br, -br,
+
+   /* -X side */
+   -br,  br, -br,
+   -br,  br,  br,
+   -br, -br,  br,
+   -br, -br, -br,
+
+   /* +Y side */
+   -br,  br, -br,
+   -br,  br,  br,
+    br,  br,  br,
+    br,  br, -br,
+
+   /* -Y side */
+   -br, -br, -br,
+   -br, -br,  br,
+    br, -br,  br,
+    br, -br, -br,
+
+   /* +Z side */
+    br, -br, br,
+   -br, -br, br,
+   -br,  br, br,
+    br,  br, br,
+
+   /* -Z side */
+    br,  br, -br,
+   -br,  br, -br,
+   -br, -br, -br,
+    br, -br, -br,
+};
+
+static void draw_skybox( void )
+{
+   if ( use_vertex_arrays ) {
+      glTexCoordPointer( 3, GL_FLOAT, 0, tex_coords );
+      glVertexPointer(   3, GL_FLOAT, 0, vtx_coords );
+
+      glEnableClientState( GL_TEXTURE_COORD_ARRAY );
+      glEnableClientState( GL_VERTEX_ARRAY );
+
+      glDrawArrays( GL_QUADS, 0, 24 );
+
+      glDisableClientState( GL_TEXTURE_COORD_ARRAY );
+      glDisableClientState( GL_VERTEX_ARRAY );
+   }
+   else {
+      unsigned   i;
+
+      glBegin(GL_QUADS);
+      for ( i = 0 ; i < 24 ; i++ ) {
+	 glTexCoord3fv( & tex_coords[ i * 3 ] );
+	 glVertex3fv  ( & vtx_coords[ i * 3 ] );
+      }
+      glEnd();
+   }
+}
+
+
+static void draw( void )
+{
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+   glPushMatrix(); /*MODELVIEW*/
+      glTranslatef( 0.0, 0.0, -EyeDist );
+
+      /* skybox */
+      glDisable(GL_TEXTURE_GEN_S);
+      glDisable(GL_TEXTURE_GEN_T);
+      glDisable(GL_TEXTURE_GEN_R);
+
+      glMatrixMode(GL_MODELVIEW);
+      glPushMatrix();
+         glRotatef(Xrot, 1, 0, 0);
+         glRotatef(Yrot, 0, 1, 0);
+         draw_skybox();
+      glPopMatrix();
+
+      /* sphere */
+      glMatrixMode(GL_TEXTURE);
+      glLoadIdentity();
+      glRotatef(-Yrot, 0, 1, 0);
+      glRotatef(-Xrot, 1, 0, 0);
+
+      glEnable(GL_TEXTURE_GEN_S);
+      glEnable(GL_TEXTURE_GEN_T);
+      glEnable(GL_TEXTURE_GEN_R);
+      glutSolidSphere(2.0, 20, 20);
+
+      glLoadIdentity(); /* texture */
+
+      glMatrixMode(GL_MODELVIEW);
+   glPopMatrix();
+
+   glutSwapBuffers();
+}
+
+
+static void idle(void)
+{
+   GLfloat t = 0.05 * glutGet(GLUT_ELAPSED_TIME);
+   Yrot = t;
+   glutPostRedisplay();
+}
+
+
+static void set_mode(GLuint mode)
+{
+   if (mode == 0) {
+      glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_REFLECTION_MAP_ARB);
+      glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_REFLECTION_MAP_ARB);
+      glTexGeni(GL_R, GL_TEXTURE_GEN_MODE, GL_REFLECTION_MAP_ARB);
+      printf("GL_REFLECTION_MAP_ARB mode\n");
+   }
+   else if (mode == 1) {
+      glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_NORMAL_MAP_ARB);
+      glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_NORMAL_MAP_ARB);
+      glTexGeni(GL_R, GL_TEXTURE_GEN_MODE, GL_NORMAL_MAP_ARB);
+      printf("GL_NORMAL_MAP_ARB mode\n");
+   }
+}
+
+
+static void key(unsigned char k, int x, int y)
+{
+   static GLuint mode = 0;
+   (void) x;
+   (void) y;
+   switch (k) {
+      case ' ':
+         anim = !anim;
+         if (anim)
+            glutIdleFunc(idle);
+         else
+            glutIdleFunc(NULL);
+         break;
+      case 'm':
+         mode = !mode;
+         set_mode(mode);
+         break;
+      case 'v':
+         use_vertex_arrays = ! use_vertex_arrays;
+         printf( "Vertex arrays are %sabled\n",
+		 (use_vertex_arrays) ? "en" : "dis" );
+         break;
+      case 'z':
+         EyeDist -= 0.5;
+         if (EyeDist < 6.0)
+            EyeDist = 6.0;
+         break;
+      case 'Z':
+         EyeDist += 0.5;
+         if (EyeDist > 90.0)
+            EyeDist = 90;
+         break;
+      case 27:
+         exit(0);
+   }
+   glutPostRedisplay();
+}
+
+
+static void specialkey(int key, int x, int y)
+{
+   GLfloat step = 5;
+   (void) x;
+   (void) y;
+   switch (key) {
+      case GLUT_KEY_UP:
+         Xrot += step;
+         break;
+      case GLUT_KEY_DOWN:
+         Xrot -= step;
+         break;
+      case GLUT_KEY_LEFT:
+         Yrot -= step;
+         break;
+      case GLUT_KEY_RIGHT:
+         Yrot += step;
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+/* new window size or exposure */
+static void reshape(int width, int height)
+{
+   GLfloat ar = (float) width / (float) height;
+   glViewport(0, 0, (GLint)width, (GLint)height);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glFrustum( -2.0*ar, 2.0*ar, -2.0, 2.0, 4.0, 100.0 );
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+}
+
+
+static void init_checkers( void )
+{
+#define CUBE_TEX_SIZE 64
+   GLubyte image[CUBE_TEX_SIZE][CUBE_TEX_SIZE][3];
+   static const GLubyte colors[6][3] = {
+      { 255,   0,   0 },	/* face 0 - red */
+      {   0, 255, 255 },	/* face 1 - cyan */
+      {   0, 255,   0 },	/* face 2 - green */
+      { 255,   0, 255 },	/* face 3 - purple */
+      {   0,   0, 255 },	/* face 4 - blue */
+      { 255, 255,   0 }		/* face 5 - yellow */
+   };
+   static const GLenum targets[6] = {
+      GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB,
+      GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB,
+      GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB,
+      GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB,
+      GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB,
+      GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
+   };
+
+   GLint i, j, f;
+
+   glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+
+   /* make colored checkerboard cube faces */
+   for (f = 0; f < 6; f++) {
+      for (i = 0; i < CUBE_TEX_SIZE; i++) {
+         for (j = 0; j < CUBE_TEX_SIZE; j++) {
+            if ((i/4 + j/4) & 1) {
+               image[i][j][0] = colors[f][0];
+               image[i][j][1] = colors[f][1];
+               image[i][j][2] = colors[f][2];
+            }
+            else {
+               image[i][j][0] = 255;
+               image[i][j][1] = 255;
+               image[i][j][2] = 255;
+            }
+         }
+      }
+
+      glTexImage2D(targets[f], 0, GL_RGB, CUBE_TEX_SIZE, CUBE_TEX_SIZE, 0,
+                   GL_RGB, GL_UNSIGNED_BYTE, image);
+   }
+}
+
+
+static void load(GLenum target, const char *filename,
+                 GLboolean flipTB, GLboolean flipLR)
+{
+   GLint w, h;
+   GLenum format;
+   GLubyte *img = LoadRGBImage( filename, &w, &h, &format );
+   if (!img) {
+      printf("Error: couldn't load texture image %s\n", filename);
+      exit(1);
+   }
+   assert(format == GL_RGB);
+
+   /* <sigh> the way the texture cube mapping works, we have to flip
+    * images to make things look right.
+    */
+   if (flipTB) {
+      const int stride = 3 * w;
+      GLubyte temp[3*1024];
+      int i;
+      for (i = 0; i < h / 2; i++) {
+         memcpy(temp, img + i * stride, stride);
+         memcpy(img + i * stride, img + (h - i - 1) * stride, stride);
+         memcpy(img + (h - i - 1) * stride, temp, stride);
+      }
+   }
+   if (flipLR) {
+      const int stride = 3 * w;
+      GLubyte temp[3];
+      GLubyte *row;
+      int i, j;
+      for (i = 0; i < h; i++) {
+         row = img + i * stride;
+         for (j = 0; j < w / 2; j++) {
+            int k = w - j - 1;
+            temp[0] = row[j*3+0];
+            temp[1] = row[j*3+1];
+            temp[2] = row[j*3+2];
+            row[j*3+0] = row[k*3+0];
+            row[j*3+1] = row[k*3+1];
+            row[j*3+2] = row[k*3+2];
+            row[k*3+0] = temp[0];
+            row[k*3+1] = temp[1];
+            row[k*3+2] = temp[2];
+         }
+      }
+   }
+
+   gluBuild2DMipmaps(target, GL_RGB, w, h, format, GL_UNSIGNED_BYTE, img);
+   free(img);
+}
+
+
+static void load_envmaps(void)
+{
+   load(GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB, "right.rgb", GL_TRUE, GL_FALSE);
+   load(GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB, "left.rgb", GL_TRUE, GL_FALSE);
+   load(GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB, "top.rgb", GL_FALSE, GL_TRUE);
+   load(GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB, "bottom.rgb", GL_FALSE, GL_TRUE);
+   load(GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB, "front.rgb", GL_TRUE, GL_FALSE);
+   load(GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB, "back.rgb", GL_TRUE, GL_FALSE);
+}
+
+
+static void init( GLboolean useImageFiles )
+{
+   GLenum filter;
+
+   /* check for extension */
+   {
+      char *exten = (char *) glGetString(GL_EXTENSIONS);
+      if (!strstr(exten, "GL_ARB_texture_cube_map")) {
+         printf("Sorry, this demo requires GL_ARB_texture_cube_map\n");
+         exit(0);
+      }
+   }
+   printf("GL_RENDERER: %s\n", (char *) glGetString(GL_RENDERER));
+
+   if (useImageFiles) {
+      load_envmaps();
+      filter = GL_LINEAR;
+   }
+   else {
+      init_checkers();
+      filter = GL_NEAREST;
+   }
+
+   glTexParameteri(GL_TEXTURE_CUBE_MAP_ARB, GL_TEXTURE_MIN_FILTER, filter);
+   glTexParameteri(GL_TEXTURE_CUBE_MAP_ARB, GL_TEXTURE_MAG_FILTER, filter);
+   glTexParameteri(GL_TEXTURE_CUBE_MAP_ARB, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+   glTexParameteri(GL_TEXTURE_CUBE_MAP_ARB, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+
+   glEnable(GL_TEXTURE_CUBE_MAP_ARB);
+   glEnable(GL_DEPTH_TEST);
+
+   glClearColor(.3, .3, .3, 0);
+   glColor3f( 1.0, 1.0, 1.0 );
+
+   set_mode(0);
+}
+
+
+static void usage(void)
+{
+   printf("keys:\n");
+   printf("  SPACE - toggle animation\n");
+   printf("  CURSOR KEYS - rotation\n");
+   printf("  m - toggle texgen reflection mode\n");
+   printf("  z/Z - change viewing distance\n");
+}
+
+
+int main( int argc, char *argv[] )
+{
+   glutInitWindowPosition(0, 0);
+   glutInitWindowSize(600, 500);
+   glutInitDisplayMode( GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE );
+   glutCreateWindow("Texture Cube Mapping");
+
+   if (argc > 1 && strcmp(argv[1] , "-i") == 0)
+      init( 1 );
+   else
+      init( 0 );
+   glutReshapeFunc( reshape );
+   glutKeyboardFunc( key );
+   glutSpecialFunc( specialkey );
+   glutDisplayFunc( draw );
+   if (anim)
+      glutIdleFunc(idle);
+   usage();
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/descrip.mms b/nx-X11/extras/Mesa_6.4.2/progs/demos/descrip.mms
new file mode 100644
index 000000000..cc9350ce6
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/descrip.mms
@@ -0,0 +1,90 @@
+# Makefile for GLUT-based demo programs for VMS
+# contributed by Jouk Jansen  joukj@hrem.stm.tudelft.nl
+# Last update : 20 May 2005
+
+.first
+	define gl [--.include.gl]
+
+.include [--]mms-config.
+
+##### MACROS #####
+
+INCDIR = ([--.include],[-.util])
+CFLAGS = /include=$(INCDIR)/prefix=all/name=(as_is,short)
+
+.ifdef SHARE
+GL_LIBS = $(XLIBS)
+LIB_DEP = [--.lib]$(GL_SHAR) [--.lib]$(GLU_SHAR) [--.lib]$(GLUT_SHAR)
+.else
+GL_LIBS = [--.lib]libGLUT/l,libMesaGLU/l,libMesaGL/l,$(XLIBS)
+LIB_DEP = [--.lib]$(GL_LIB) [--.lib]$(GLU_LIB) [--.lib]$(GLUT_LIB)
+.endif
+
+
+PROGS = bounce.exe;,clearspd.exe;,drawpix.exe;,gamma.exe;,gears.exe;,\
+	glinfo.exe;,glutfx.exe;,isosurf.exe;,morph3d.exe;,\
+	paltex.exe;,pointblast.exe;,reflect.exe;,spectex.exe;,stex3d.exe;,\
+	tessdemo.exe;,texcyl.exe;,texobj.exe;,trispd.exe;,winpos.exe;
+
+
+##### RULES #####
+.obj.exe :
+	cxxlink $(MMS$TARGET_NAME),$(GL_LIBS)
+
+##### TARGETS #####
+default :
+	$(MMS)$(MMSQUALIFIERS) $(PROGS)
+
+clean :
+	delete *.obj;*
+
+realclean :
+	delete $(PROGS)
+	delete *.obj;*
+
+bounce.exe; : bounce.obj $(LIB_DEP)
+clearspd.exe; : clearspd.obj $(LIB_DEP)
+drawpix.exe; : drawpix.obj $(LIB_DEP) [-.util]readtex.obj
+	cxxlink $(MMS$TARGET_NAME),[-.util]readtex.obj,$(GL_LIBS)
+gamma.exe; : gamma.obj $(LIB_DEP)
+gears.exe; : gears.obj $(LIB_DEP)
+glinfo.exe; : glinfo.obj $(LIB_DEP)
+glutfx.exe; : glutfx.obj $(LIB_DEP)
+isosurf.exe; : isosurf.obj $(LIB_DEP) [-.util]readtex.obj
+	cxxlink $(MMS$TARGET_NAME),[-.util]readtex.obj,$(GL_LIBS)
+morph3d.exe; : morph3d.obj $(LIB_DEP)
+paltex.exe; : paltex.obj $(LIB_DEP)
+pointblast.exe; : pointblast.obj $(LIB_DEP)
+reflect.exe; : reflect.obj [-.util]readtex.obj [-.util]showbuffer.obj\
+	$(LIB_DEP)
+	cxxlink $(MMS$TARGET_NAME),[-.util]readtex,showbuffer,$(GL_LIBS)
+spectex.exe; : spectex.obj $(LIB_DEP)
+stex3d.exe; : stex3d.obj $(LIB_DEP)
+tessdemo.exe; : tessdemo.obj $(LIB_DEP)
+texcyl.exe; : texcyl.obj [-.util]readtex.obj $(LIB_DEP)
+	cxxlink $(MMS$TARGET_NAME),[-.util]readtex.obj,$(GL_LIBS)
+texobj.exe; : texobj.obj $(LIB_DEP)
+trispd.exe; : trispd.obj $(LIB_DEP)
+winpos.exe; : winpos.obj [-.util]readtex.obj $(LIB_DEP)
+	cxxlink $(MMS$TARGET_NAME),[-.util]readtex.obj,$(GL_LIBS)
+
+
+bounce.obj : bounce.c
+clearspd.obj : clearspd.c
+drawpix.obj : drawpix.c
+gamma.obj : gamma.c
+gears.obj : gears.c
+glinfo.obj : glinfo.c
+glutfx.obj : glutfx.c
+isosurf.obj : isosurf.c
+morph3d.obj : morph3d.c
+paltex.obj : paltex.c
+pointblast.obj : pointblast.c
+reflect.obj : reflect.c
+spectex.obj : spectex.c
+stex3d.obj : stex3d.c
+tessdemo.obj : tessdemo.c
+texcyl.obj : texcyl.c
+texobj.obj : texobj.c
+trispd.obj : trispd.c
+winpos.obj : winpos.c
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/drawpix.c b/nx-X11/extras/Mesa_6.4.2/progs/demos/drawpix.c
new file mode 100644
index 000000000..d2f574867
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/drawpix.c
@@ -0,0 +1,358 @@
+
+/*
+ * glDrawPixels demo/test/benchmark
+ * 
+ * Brian Paul   September 25, 1997  This file is in the public domain.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <string.h>
+#include <GL/glut.h>
+
+#include "readtex.h"
+
+#define IMAGE_FILE "../images/girl.rgb"
+
+static int ImgWidth, ImgHeight;
+static GLenum ImgFormat;
+static GLubyte *Image = NULL;
+
+static int Xpos, Ypos;
+static int SkipPixels, SkipRows;
+static int DrawWidth, DrawHeight;
+static int Scissor = 0;
+static int Fog = 0;
+static GLfloat Zpos = -1.0;
+static float Xzoom, Yzoom;
+static GLboolean DrawFront = GL_FALSE;
+static GLboolean Dither = GL_TRUE;
+
+
+static void Reset( void )
+{
+   Xpos = Ypos = 20;
+   DrawWidth = ImgWidth;
+   DrawHeight = ImgHeight;
+   SkipPixels = SkipRows = 0;
+   Scissor = 0;
+   Fog = 0;
+   Zpos = -1.0;
+   Xzoom = Yzoom = 1.0;
+}
+
+
+static void Display( void )
+{
+   glClear( GL_COLOR_BUFFER_BIT );
+
+#if 0
+   glRasterPos2i(Xpos, Ypos);
+#else
+   /* This allows negative raster positions: */
+   glRasterPos3f(0, 0, Zpos);
+   glBitmap(0, 0, 0, 0, Xpos, Ypos, NULL);
+#endif
+
+   glPixelStorei(GL_UNPACK_SKIP_PIXELS, SkipPixels);
+   glPixelStorei(GL_UNPACK_SKIP_ROWS, SkipRows);
+
+   glPixelZoom( Xzoom, Yzoom );
+
+   if (Scissor)
+      glEnable(GL_SCISSOR_TEST);
+
+   if (Fog)
+      glEnable(GL_FOG);
+
+   glDrawPixels(DrawWidth, DrawHeight, ImgFormat, GL_UNSIGNED_BYTE, Image);
+
+   glDisable(GL_SCISSOR_TEST);
+   glDisable(GL_FOG);
+
+   if (DrawFront)
+      glFinish();
+   else
+      glutSwapBuffers();
+}
+
+
+static void Benchmark( void )
+{
+   int startTime, endTime;
+   int draws = 500;
+   double seconds, pixelsPerSecond;
+
+   printf("Benchmarking...\n");
+   /* GL set-up */
+   glPixelStorei(GL_UNPACK_SKIP_PIXELS, SkipPixels);
+   glPixelStorei(GL_UNPACK_SKIP_ROWS, SkipRows);
+   glPixelZoom( Xzoom, Yzoom );
+   if (Scissor)
+      glEnable(GL_SCISSOR_TEST);
+   if (Fog)
+      glEnable(GL_FOG);
+
+   if (DrawFront)
+      glDrawBuffer(GL_FRONT);
+   else
+      glDrawBuffer(GL_BACK);
+
+   /* Run timing test */
+   draws = 0;
+   startTime = glutGet(GLUT_ELAPSED_TIME);
+   do {
+      glDrawPixels(DrawWidth, DrawHeight, ImgFormat, GL_UNSIGNED_BYTE, Image);
+      draws++;
+      endTime = glutGet(GLUT_ELAPSED_TIME);
+   } while (endTime - startTime < 4000);   /* 4 seconds */
+
+   /* GL clean-up */
+   glDisable(GL_SCISSOR_TEST);
+   glDisable(GL_FOG);
+
+   /* Results */
+   seconds = (double) (endTime - startTime) / 1000.0;
+   pixelsPerSecond = draws * DrawWidth * DrawHeight / seconds;
+   printf("Result:  %d draws in %f seconds = %f pixels/sec\n",
+          draws, seconds, pixelsPerSecond);
+}
+
+
+static void Reshape( int width, int height )
+{
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glOrtho( 0.0, width, 0.0, height, 0.0, 2.0 );
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+
+   glScissor(width/4, height/4, width/2, height/2);
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case ' ':
+         Reset();
+         break;
+      case 'd':
+         Dither = !Dither;
+         if (Dither)
+            glEnable(GL_DITHER);
+         else
+            glDisable(GL_DITHER);
+         break;
+      case 'w':
+         if (DrawWidth > 0)
+            DrawWidth--;
+         break;
+      case 'W':
+         DrawWidth++;
+         break;
+      case 'h':
+         if (DrawHeight > 0)
+            DrawHeight--;
+         break;
+      case 'H':
+         DrawHeight++;
+         break;
+      case 'p':
+         if (SkipPixels > 0)
+             SkipPixels--;
+         break;
+      case 'P':
+         SkipPixels++;
+         break;
+      case 'r':
+         if (SkipRows > 0)
+             SkipRows--;
+         break;
+      case 'R':
+         SkipRows++;
+         break;
+      case 's':
+         Scissor = !Scissor;
+         break;
+      case 'x':
+         Xzoom -= 0.1;
+         break;
+      case 'X':
+         Xzoom += 0.1;
+         break;
+      case 'y':
+         Yzoom -= 0.1;
+         break;
+      case 'Y':
+         Yzoom += 0.1;
+         break;
+      case 'z':
+         Zpos -= 0.1;
+         printf("RasterPos Z = %g\n", Zpos);
+         break;
+      case 'Z':
+         Zpos += 0.1;
+         printf("RasterPos Z = %g\n", Zpos);
+         break;
+      case 'b':
+         Benchmark();
+         break;
+      case 'F':
+         Fog = !Fog;
+         printf("Fog %d\n", Fog);
+         break;
+      case 'f':
+         DrawFront = !DrawFront;
+         if (DrawFront)
+            glDrawBuffer(GL_FRONT);
+         else
+            glDrawBuffer(GL_BACK);
+         printf("glDrawBuffer(%s)\n", DrawFront ? "GL_FRONT" : "GL_BACK");
+         break;
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void SpecialKey( int key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case GLUT_KEY_UP:
+         Ypos += 1;
+         break;
+      case GLUT_KEY_DOWN:
+         Ypos -= 1;
+         break;
+      case GLUT_KEY_LEFT:
+         Xpos -= 1;
+         break;
+      case GLUT_KEY_RIGHT:
+         Xpos += 1;
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void Init( GLboolean ciMode, const char *filename )
+{
+   static const GLfloat fogColor[4] = {0, 1, 0, 0};
+
+   printf("GL_VERSION = %s\n", (char *) glGetString(GL_VERSION));
+   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
+
+   Image = LoadRGBImage( filename, &ImgWidth, &ImgHeight, &ImgFormat );
+   if (!Image) {
+      printf("Couldn't read %s\n", filename);
+      exit(0);
+   }
+
+   if (ciMode) {
+      /* Convert RGB image to grayscale */
+      GLubyte *indexImage = (GLubyte *) malloc( ImgWidth * ImgHeight );
+      GLint i;
+      for (i=0; i<ImgWidth*ImgHeight; i++) {
+         int gray = Image[i*3] + Image[i*3+1] + Image[i*3+2];
+         indexImage[i] = gray / 3;
+      }
+      free(Image);
+      Image = indexImage;
+      ImgFormat = GL_COLOR_INDEX;
+
+      for (i=0;i<255;i++) {
+         float g = i / 255.0;
+         glutSetColor(i, g, g, g);
+      }
+   }
+
+   printf("Loaded %d by %d image\n", ImgWidth, ImgHeight );
+
+   glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+   glPixelStorei(GL_UNPACK_ROW_LENGTH, ImgWidth);
+
+   glFogi(GL_FOG_MODE, GL_LINEAR);
+   glFogf(GL_FOG_START, 0);
+   glFogf(GL_FOG_END, 2);
+   glFogfv(GL_FOG_COLOR, fogColor);
+
+   Reset();
+}
+
+
+static void Usage(void)
+{
+   printf("Keys:\n");
+   printf("       SPACE  Reset Parameters\n");
+   printf("     Up/Down  Move image up/down\n");
+   printf("  Left/Right  Move image left/right\n");
+   printf("           x  Decrease X-axis PixelZoom\n");
+   printf("           X  Increase X-axis PixelZoom\n");
+   printf("           y  Decrease Y-axis PixelZoom\n");
+   printf("           Y  Increase Y-axis PixelZoom\n");
+   printf("           w  Decrease glDrawPixels width*\n");
+   printf("           W  Increase glDrawPixels width*\n");
+   printf("           h  Decrease glDrawPixels height*\n");
+   printf("           H  Increase glDrawPixels height*\n");
+   printf("           p  Decrease GL_UNPACK_SKIP_PIXELS*\n");
+   printf("           P  Increase GL_UNPACK_SKIP_PIXELS*\n");
+   printf("           r  Decrease GL_UNPACK_SKIP_ROWS*\n");
+   printf("           R  Increase GL_UNPACK_SKIP_ROWS*\n");
+   printf("           s  Toggle GL_SCISSOR_TEST\n");
+   printf("           F  Toggle GL_FOG\n");
+   printf("           z  Decrease RasterPos Z\n");
+   printf("           Z  Increase RasterPos Z\n");
+   
+   printf("           f  Toggle front/back buffer drawing\n");
+   printf("           b  Benchmark test\n");
+   printf("         ESC  Exit\n");
+   printf("* Warning: no limits are imposed on these parameters so it's\n");
+   printf("  possible to cause a segfault if you go too far.\n");
+}
+
+
+int main( int argc, char *argv[] )
+{
+   GLboolean ciMode = GL_FALSE;
+   const char *filename = IMAGE_FILE;
+   int i = 1;
+
+   if (argc > i && strcmp(argv[i], "-ci")==0) {
+      ciMode = GL_TRUE;
+      i++;
+   }
+   if (argc > i) {
+      filename = argv[i];
+   }
+
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( 500, 400 );
+
+   if (ciMode)
+      glutInitDisplayMode( GLUT_INDEX | GLUT_DOUBLE );
+   else
+      glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE);
+
+   glutCreateWindow(argv[0]);
+
+   Init(ciMode, filename);
+   Usage();
+
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutSpecialFunc( SpecialKey );
+   glutDisplayFunc( Display );
+
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/fire.c b/nx-X11/extras/Mesa_6.4.2/progs/demos/fire.c
new file mode 100644
index 000000000..dd70f6141
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/fire.c
@@ -0,0 +1,777 @@
+/*
+ * This program is under the GNU GPL.
+ * Use at your own risk.
+ *
+ * written by David Bucciarelli (tech.hmw@plus.it)
+ *            Humanware s.r.l.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <time.h>
+#include <string.h>
+
+#ifdef WIN32
+#include <windows.h>
+#include <mmsystem.h>
+#endif
+
+#include <GL/glut.h>
+#include "readtex.h"
+
+#ifdef XMESA
+#include "GL/xmesa.h"
+static int fullscreen = 1;
+#endif
+
+#ifndef M_PI
+#define M_PI 3.1415926535
+#endif
+
+#define vinit(a,i,j,k) {\
+  (a)[0]=i;\
+  (a)[1]=j;\
+  (a)[2]=k;\
+}
+
+#define vinit4(a,i,j,k,w) {\
+  (a)[0]=i;\
+  (a)[1]=j;\
+  (a)[2]=k;\
+  (a)[3]=w;\
+}
+
+
+#define vadds(a,dt,b) {\
+  (a)[0]+=(dt)*(b)[0];\
+  (a)[1]+=(dt)*(b)[1];\
+  (a)[2]+=(dt)*(b)[2];\
+}
+
+#define vequ(a,b) {\
+  (a)[0]=(b)[0];\
+  (a)[1]=(b)[1];\
+  (a)[2]=(b)[2];\
+}
+
+#define vinter(a,dt,b,c) {\
+  (a)[0]=(dt)*(b)[0]+(1.0-dt)*(c)[0];\
+  (a)[1]=(dt)*(b)[1]+(1.0-dt)*(c)[1];\
+  (a)[2]=(dt)*(b)[2]+(1.0-dt)*(c)[2];\
+}
+
+#define clamp(a)        ((a) < 0.0 ? 0.0 : ((a) < 1.0 ? (a) : 1.0))
+
+#define vclamp(v) {\
+  (v)[0]=clamp((v)[0]);\
+  (v)[1]=clamp((v)[1]);\
+  (v)[2]=clamp((v)[2]);\
+}
+
+static int WIDTH = 640;
+static int HEIGHT = 480;
+
+static GLint T0 = 0;
+static GLint Frames = 0;
+static GLint NiceFog = 1;
+
+#define DIMP 20.0
+#define DIMTP 16.0
+
+#define RIDCOL 0.4
+
+#define NUMTREE 50
+#define TREEINR 2.5
+#define TREEOUTR 8.0
+
+#define AGRAV -9.8
+
+typedef struct
+{
+   int age;
+   float p[3][3];
+   float v[3];
+   float c[3][4];
+}
+part;
+
+static float treepos[NUMTREE][3];
+
+static float black[3] = { 0.0, 0.0, 0.0 };
+static float blu[3] = { 1.0, 0.2, 0.0 };
+static float blu2[3] = { 1.0, 1.0, 0.0 };
+
+static float fogcolor[4] = { 1.0, 1.0, 1.0, 1.0 };
+
+static float q[4][3] = {
+   {-DIMP, 0.0, -DIMP},
+   {DIMP, 0.0, -DIMP},
+   {DIMP, 0.0, DIMP},
+   {-DIMP, 0.0, DIMP}
+};
+
+static float qt[4][2] = {
+   {-DIMTP, -DIMTP},
+   {DIMTP, -DIMTP},
+   {DIMTP, DIMTP},
+   {-DIMTP, DIMTP}
+};
+
+static int win = 0;
+
+static int np;
+static float eject_r, dt, maxage, eject_vy, eject_vl;
+static short shadows;
+static float ridtri;
+static int fog = 1;
+static int help = 1;
+static int joyavailable = 0;
+static int joyactive = 0;
+
+static part *p;
+
+static GLuint groundid;
+static GLuint treeid;
+
+static float obs[3] = { 2.0, 1.0, 0.0 };
+static float dir[3];
+static float v = 0.0;
+static float alpha = -84.0;
+static float beta = 90.0;
+
+static float
+vrnd(void)
+{
+   return (((float) rand()) / RAND_MAX);
+}
+
+static void
+setnewpart(part * p)
+{
+   float a, v[3], *c;
+
+   p->age = 0;
+
+   a = vrnd() * 3.14159265359 * 2.0;
+
+   vinit(v, sin(a) * eject_r * vrnd(), 0.15, cos(a) * eject_r * vrnd());
+   vinit(p->p[0], v[0] + vrnd() * ridtri, v[1] + vrnd() * ridtri,
+	 v[2] + vrnd() * ridtri);
+   vinit(p->p[1], v[0] + vrnd() * ridtri, v[1] + vrnd() * ridtri,
+	 v[2] + vrnd() * ridtri);
+   vinit(p->p[2], v[0] + vrnd() * ridtri, v[1] + vrnd() * ridtri,
+	 v[2] + vrnd() * ridtri);
+
+   vinit(p->v, v[0] * eject_vl / (eject_r / 2),
+	 vrnd() * eject_vy + eject_vy / 2, v[2] * eject_vl / (eject_r / 2));
+
+   c = blu;
+
+   vinit4(p->c[0], c[0] * ((1.0 - RIDCOL) + vrnd() * RIDCOL),
+	  c[1] * ((1.0 - RIDCOL) + vrnd() * RIDCOL),
+	  c[2] * ((1.0 - RIDCOL) + vrnd() * RIDCOL), 1.0);
+   vinit4(p->c[1], c[0] * ((1.0 - RIDCOL) + vrnd() * RIDCOL),
+	  c[1] * ((1.0 - RIDCOL) + vrnd() * RIDCOL),
+	  c[2] * ((1.0 - RIDCOL) + vrnd() * RIDCOL), 1.0);
+   vinit4(p->c[2], c[0] * ((1.0 - RIDCOL) + vrnd() * RIDCOL),
+	  c[1] * ((1.0 - RIDCOL) + vrnd() * RIDCOL),
+	  c[2] * ((1.0 - RIDCOL) + vrnd() * RIDCOL), 1.0);
+}
+
+static void
+setpart(part * p)
+{
+   float fact;
+
+   if (p->p[0][1] < 0.1) {
+      setnewpart(p);
+      return;
+   }
+
+   p->v[1] += AGRAV * dt;
+
+   vadds(p->p[0], dt, p->v);
+   vadds(p->p[1], dt, p->v);
+   vadds(p->p[2], dt, p->v);
+
+   p->age++;
+
+   if ((p->age) > maxage) {
+      vequ(p->c[0], blu2);
+      vequ(p->c[1], blu2);
+      vequ(p->c[2], blu2);
+   }
+   else {
+      fact = 1.0 / maxage;
+      vadds(p->c[0], fact, blu2);
+      vclamp(p->c[0]);
+      p->c[0][3] = fact * (maxage - p->age);
+
+      vadds(p->c[1], fact, blu2);
+      vclamp(p->c[1]);
+      p->c[1][3] = fact * (maxage - p->age);
+
+      vadds(p->c[2], fact, blu2);
+      vclamp(p->c[2]);
+      p->c[2][3] = fact * (maxage - p->age);
+   }
+}
+
+static void
+drawtree(float x, float y, float z)
+{
+   glBegin(GL_QUADS);
+   glTexCoord2f(0.0, 0.0);
+   glVertex3f(x - 1.5, y + 0.0, z);
+
+   glTexCoord2f(1.0, 0.0);
+   glVertex3f(x + 1.5, y + 0.0, z);
+
+   glTexCoord2f(1.0, 1.0);
+   glVertex3f(x + 1.5, y + 3.0, z);
+
+   glTexCoord2f(0.0, 1.0);
+   glVertex3f(x - 1.5, y + 3.0, z);
+
+
+   glTexCoord2f(0.0, 0.0);
+   glVertex3f(x, y + 0.0, z - 1.5);
+
+   glTexCoord2f(1.0, 0.0);
+   glVertex3f(x, y + 0.0, z + 1.5);
+
+   glTexCoord2f(1.0, 1.0);
+   glVertex3f(x, y + 3.0, z + 1.5);
+
+   glTexCoord2f(0.0, 1.0);
+   glVertex3f(x, y + 3.0, z - 1.5);
+
+   glEnd();
+
+}
+
+static void
+calcposobs(void)
+{
+   dir[0] = sin(alpha * M_PI / 180.0);
+   dir[2] = cos(alpha * M_PI / 180.0) * sin(beta * M_PI / 180.0);
+   dir[1] = cos(beta * M_PI / 180.0);
+
+   if (dir[0] < 1.0e-5 && dir[0] > -1.0e-5)
+      dir[0] = 0;
+   if (dir[1] < 1.0e-5 && dir[1] > -1.0e-5)
+      dir[1] = 0;
+   if (dir[2] < 1.0e-5 && dir[2] > -1.0e-5)
+      dir[2] = 0;
+
+   obs[0] += v * dir[0];
+   obs[1] += v * dir[1];
+   obs[2] += v * dir[2];
+}
+
+static void
+printstring(void *font, char *string)
+{
+   int len, i;
+
+   len = (int) strlen(string);
+   for (i = 0; i < len; i++)
+      glutBitmapCharacter(font, string[i]);
+}
+
+static void
+reshape(int width, int height)
+{
+   WIDTH = width;
+   HEIGHT = height;
+   glViewport(0, 0, (GLint) width, (GLint) height);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   gluPerspective(70.0, width / (float) height, 0.1, 30.0);
+
+   glMatrixMode(GL_MODELVIEW);
+}
+
+static void
+printhelp(void)
+{
+   glColor4f(0.0, 0.0, 0.0, 0.5);
+   glRecti(40, 40, 600, 440);
+
+   glColor3f(1.0, 0.0, 0.0);
+   glRasterPos2i(300, 420);
+   printstring(GLUT_BITMAP_TIMES_ROMAN_24, "Help");
+
+   glRasterPos2i(60, 390);
+   printstring(GLUT_BITMAP_TIMES_ROMAN_24, "h - Toggle Help");
+
+   glRasterPos2i(60, 360);
+   printstring(GLUT_BITMAP_TIMES_ROMAN_24, "t - Increase particle size");
+   glRasterPos2i(60, 330);
+   printstring(GLUT_BITMAP_TIMES_ROMAN_24, "T - Decrease particle size");
+
+   glRasterPos2i(60, 300);
+   printstring(GLUT_BITMAP_TIMES_ROMAN_24, "r - Increase emission radius");
+   glRasterPos2i(60, 270);
+   printstring(GLUT_BITMAP_TIMES_ROMAN_24, "R - Decrease emission radius");
+
+   glRasterPos2i(60, 240);
+   printstring(GLUT_BITMAP_TIMES_ROMAN_24, "f - Toggle Fog");
+   glRasterPos2i(60, 210);
+   printstring(GLUT_BITMAP_TIMES_ROMAN_24, "s - Toggle shadows");
+   glRasterPos2i(60, 180);
+   printstring(GLUT_BITMAP_TIMES_ROMAN_24, "Arrow Keys - Rotate");
+   glRasterPos2i(60, 150);
+   printstring(GLUT_BITMAP_TIMES_ROMAN_24, "a - Increase velocity");
+   glRasterPos2i(60, 120);
+   printstring(GLUT_BITMAP_TIMES_ROMAN_24, "z - Decrease velocity");
+
+   glRasterPos2i(60, 90);
+   if (joyavailable)
+      printstring(GLUT_BITMAP_TIMES_ROMAN_24,
+		  "j - Toggle jostick control (Joystick control available)");
+   else
+      printstring(GLUT_BITMAP_TIMES_ROMAN_24,
+		  "(No Joystick control available)");
+}
+
+static void
+dojoy(void)
+{
+#ifdef WIN32
+   static UINT max[2] = { 0, 0 };
+   static UINT min[2] = { 0xffffffff, 0xffffffff }, center[2];
+   MMRESULT res;
+   JOYINFO joy;
+
+   res = joyGetPos(JOYSTICKID1, &joy);
+
+   if (res == JOYERR_NOERROR) {
+      joyavailable = 1;
+
+      if (max[0] < joy.wXpos)
+	 max[0] = joy.wXpos;
+      if (min[0] > joy.wXpos)
+	 min[0] = joy.wXpos;
+      center[0] = (max[0] + min[0]) / 2;
+
+      if (max[1] < joy.wYpos)
+	 max[1] = joy.wYpos;
+      if (min[1] > joy.wYpos)
+	 min[1] = joy.wYpos;
+      center[1] = (max[1] + min[1]) / 2;
+
+      if (joyactive) {
+	 if (fabs(center[0] - (float) joy.wXpos) > 0.1 * (max[0] - min[0]))
+	    alpha +=
+	       2.5 * (center[0] - (float) joy.wXpos) / (max[0] - min[0]);
+	 if (fabs(center[1] - (float) joy.wYpos) > 0.1 * (max[1] - min[1]))
+	    beta += 2.5 * (center[1] - (float) joy.wYpos) / (max[1] - min[1]);
+
+	 if (joy.wButtons & JOY_BUTTON1)
+	    v += 0.01;
+	 if (joy.wButtons & JOY_BUTTON2)
+	    v -= 0.01;
+      }
+   }
+   else
+      joyavailable = 0;
+#endif
+}
+
+static void
+drawfire(void)
+{
+   static char frbuf[80] = "";
+   int j;
+   static double t0 = -1.;
+   double t = glutGet(GLUT_ELAPSED_TIME) / 1000.0;
+   if (t0 < 0.0)
+      t0 = t;
+   dt = (t - t0) * 1.0;
+   t0 = t;
+
+   dojoy();
+
+   if (NiceFog)
+      glHint(GL_FOG_HINT, GL_NICEST);
+   else
+      glHint(GL_FOG_HINT, GL_DONT_CARE);
+
+   glEnable(GL_DEPTH_TEST);
+
+   if (fog)
+      glEnable(GL_FOG);
+   else
+      glDisable(GL_FOG);
+
+   glDepthMask(GL_TRUE);
+   glClearColor(1.0, 1.0, 1.0, 1.0);
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+   glPushMatrix();
+   calcposobs();
+   gluLookAt(obs[0], obs[1], obs[2],
+	     obs[0] + dir[0], obs[1] + dir[1], obs[2] + dir[2],
+	     0.0, 1.0, 0.0);
+
+   glColor4f(1.0, 1.0, 1.0, 1.0);
+
+   glEnable(GL_TEXTURE_2D);
+
+   glBindTexture(GL_TEXTURE_2D, groundid);
+#if 1
+   glBegin(GL_QUADS);
+   glTexCoord2fv(qt[0]);
+   glVertex3fv(q[0]);
+   glTexCoord2fv(qt[1]);
+   glVertex3fv(q[1]);
+   glTexCoord2fv(qt[2]);
+   glVertex3fv(q[2]);
+   glTexCoord2fv(qt[3]);
+   glVertex3fv(q[3]);
+   glEnd();
+#else
+   /* Subdivide the ground into a bunch of quads.  This improves fog
+    * if GL_FOG_HINT != GL_NICEST
+    */
+   {
+      float x, y;
+      float dx = 1.0, dy = 1.0;
+      glBegin(GL_QUADS);
+      for (y = -DIMP; y < DIMP; y += 1.0) {
+         for (x = -DIMP; x < DIMP; x += 1.0) {
+            glTexCoord2f(0, 0);   glVertex3f(x, 0, y);
+            glTexCoord2f(1, 0);   glVertex3f(x+dx, 0, y);
+            glTexCoord2f(1, 1);   glVertex3f(x+dx, 0, y+dy);
+            glTexCoord2f(0, 1);   glVertex3f(x, 0, y+dy);
+         }
+      }
+      glEnd();
+   }
+#endif
+
+
+   glEnable(GL_ALPHA_TEST);
+   glAlphaFunc(GL_GEQUAL, 0.9);
+
+   glBindTexture(GL_TEXTURE_2D, treeid);
+   for (j = 0; j < NUMTREE; j++)
+      drawtree(treepos[j][0], treepos[j][1], treepos[j][2]);
+
+   glDisable(GL_TEXTURE_2D);
+   glDepthMask(GL_FALSE);
+   glDisable(GL_ALPHA_TEST);
+
+   if (shadows) {
+      glBegin(GL_TRIANGLES);
+      for (j = 0; j < np; j++) {
+	 glColor4f(black[0], black[1], black[2], p[j].c[0][3]);
+	 glVertex3f(p[j].p[0][0], 0.1, p[j].p[0][2]);
+
+	 glColor4f(black[0], black[1], black[2], p[j].c[1][3]);
+	 glVertex3f(p[j].p[1][0], 0.1, p[j].p[1][2]);
+
+	 glColor4f(black[0], black[1], black[2], p[j].c[2][3]);
+	 glVertex3f(p[j].p[2][0], 0.1, p[j].p[2][2]);
+      }
+      glEnd();
+   }
+
+   glBegin(GL_TRIANGLES);
+   for (j = 0; j < np; j++) {
+      glColor4fv(p[j].c[0]);
+      glVertex3fv(p[j].p[0]);
+
+      glColor4fv(p[j].c[1]);
+      glVertex3fv(p[j].p[1]);
+
+      glColor4fv(p[j].c[2]);
+      glVertex3fv(p[j].p[2]);
+
+      setpart(&p[j]);
+   }
+   glEnd();
+
+   glDisable(GL_TEXTURE_2D);
+   glDisable(GL_ALPHA_TEST);
+   glDisable(GL_DEPTH_TEST);
+   glDisable(GL_FOG);
+
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glOrtho(-0.5, 639.5, -0.5, 479.5, -1.0, 1.0);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+
+   glColor3f(1.0, 0.0, 0.0);
+   glRasterPos2i(10, 10);
+   printstring(GLUT_BITMAP_HELVETICA_18, frbuf);
+   glRasterPos2i(370, 470);
+   printstring(GLUT_BITMAP_HELVETICA_10,
+	       "Fire V1.5 Written by David Bucciarelli (tech.hmw@plus.it)");
+
+   if (help)
+      printhelp();
+
+   reshape(WIDTH, HEIGHT);
+   glPopMatrix();
+
+   glutSwapBuffers();
+
+   Frames++;
+   {
+      GLint t = glutGet(GLUT_ELAPSED_TIME);
+      if (t - T0 >= 2000) {
+         GLfloat seconds = (t - T0) / 1000.0;
+         GLfloat fps = Frames / seconds;
+         sprintf(frbuf, "Frame rate: %f", fps);
+         T0 = t;
+         Frames = 0;
+      }
+   }
+}
+
+
+static void
+idle(void)
+{
+   glutPostRedisplay();
+}
+
+
+static void
+special(int key, int x, int y)
+{
+   switch (key) {
+   case GLUT_KEY_LEFT:
+      alpha += 2.0;
+      break;
+   case GLUT_KEY_RIGHT:
+      alpha -= 2.0;
+      break;
+   case GLUT_KEY_DOWN:
+      beta -= 2.0;
+      break;
+   case GLUT_KEY_UP:
+      beta += 2.0;
+      break;
+   }
+   glutPostRedisplay();
+}
+
+static void
+key(unsigned char key, int x, int y)
+{
+   switch (key) {
+   case 27:
+      exit(0);
+      break;
+
+   case 'a':
+      v += 0.0005;
+      break;
+   case 'z':
+      v -= 0.0005;
+      break;
+
+   case 'j':
+      joyactive = (!joyactive);
+      break;
+   case 'h':
+      help = (!help);
+      break;
+   case 'f':
+      fog = (!fog);
+      break;
+   case 's':
+      shadows = !shadows;
+      break;
+   case 'R':
+      eject_r -= 0.03;
+      break;
+   case 'r':
+      eject_r += 0.03;
+      break;
+   case 't':
+      ridtri += 0.005;
+      break;
+   case 'T':
+      ridtri -= 0.005;
+      break;
+#ifdef XMESA
+   case ' ':
+      XMesaSetFXmode(fullscreen ? XMESA_FX_FULLSCREEN : XMESA_FX_WINDOW);
+      fullscreen = (!fullscreen);
+      break;
+#endif
+   case 'n':
+      NiceFog = !NiceFog;
+      printf("NiceFog %d\n", NiceFog);
+      break;
+   }
+   glutPostRedisplay();
+}
+
+static void
+inittextures(void)
+{
+   GLenum gluerr;
+   GLubyte tex[128][128][4];
+
+   glGenTextures(1, &groundid);
+   glBindTexture(GL_TEXTURE_2D, groundid);
+
+   glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
+   if (!LoadRGBMipmaps("../images/s128.rgb", GL_RGB)) {
+      fprintf(stderr, "Error reading a texture.\n");
+      exit(-1);
+   }
+
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
+		   GL_LINEAR_MIPMAP_LINEAR);
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+
+   glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
+
+   glGenTextures(1, &treeid);
+   glBindTexture(GL_TEXTURE_2D, treeid);
+
+   if (1)
+   {
+      int w, h;
+      GLenum format;
+      int x, y;
+      GLubyte *image = LoadRGBImage("../images/tree3.rgb", &w, &h, &format);
+
+      if (!image) {
+	 fprintf(stderr, "Error reading a texture.\n");
+	 exit(-1);
+      }
+
+      for (y = 0; y < 128; y++)
+	 for (x = 0; x < 128; x++) {
+	    tex[x][y][0] = image[(y + x * 128) * 3];
+	    tex[x][y][1] = image[(y + x * 128) * 3 + 1];
+	    tex[x][y][2] = image[(y + x * 128) * 3 + 2];
+	    if ((tex[x][y][0] == tex[x][y][1]) &&
+		(tex[x][y][1] == tex[x][y][2]) && (tex[x][y][2] == 255))
+	       tex[x][y][3] = 0;
+	    else
+	       tex[x][y][3] = 255;
+	 }
+
+      if ((gluerr = gluBuild2DMipmaps(GL_TEXTURE_2D, 4, 128, 128, GL_RGBA,
+				      GL_UNSIGNED_BYTE, (GLvoid *) (tex)))) {
+	 fprintf(stderr, "GLULib%s\n", (char *) gluErrorString(gluerr));
+	 exit(-1);
+      }
+   }
+   else {
+      if (!LoadRGBMipmaps("../images/tree2.rgba", GL_RGBA)) {
+	 fprintf(stderr, "Error reading a texture.\n");
+	 exit(-1);
+      }
+   }
+
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
+		   GL_LINEAR_MIPMAP_LINEAR);
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+
+   glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+}
+
+static void
+inittree(void)
+{
+   int i;
+   float dist;
+
+   for (i = 0; i < NUMTREE; i++)
+      do {
+	 treepos[i][0] = vrnd() * TREEOUTR * 2.0 - TREEOUTR;
+	 treepos[i][1] = 0.0;
+	 treepos[i][2] = vrnd() * TREEOUTR * 2.0 - TREEOUTR;
+	 dist =
+	    sqrt(treepos[i][0] * treepos[i][0] +
+		 treepos[i][2] * treepos[i][2]);
+      } while ((dist < TREEINR) || (dist > TREEOUTR));
+}
+
+int
+main(int ac, char **av)
+{
+   int i;
+
+   fprintf(stderr,
+	   "Fire V1.5\nWritten by David Bucciarelli (tech.hmw@plus.it)\n");
+
+   /* Default settings */
+
+   np = 800;
+   eject_r = -0.65;
+   dt = 0.015;
+   eject_vy = 4;
+   eject_vl = 1;
+   shadows = 1;
+   ridtri = 0.25;
+
+   maxage = 1.0 / dt;
+
+   if (ac == 2)
+      np = atoi(av[1]);
+
+   if (ac == 4) {
+      WIDTH = atoi(av[2]);
+      HEIGHT = atoi(av[3]);
+   }
+
+   glutInitWindowPosition(0, 0);
+   glutInitWindowSize(WIDTH, HEIGHT);
+   glutInit(&ac, av);
+
+   glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE);
+
+   if (!(win = glutCreateWindow("Fire"))) {
+      fprintf(stderr, "Error opening a window.\n");
+      exit(-1);
+   }
+
+   reshape(WIDTH, HEIGHT);
+
+   inittextures();
+
+   glShadeModel(GL_FLAT);
+   glEnable(GL_DEPTH_TEST);
+
+   glEnable(GL_BLEND);
+   glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+
+   glEnable(GL_FOG);
+   glFogi(GL_FOG_MODE, GL_EXP);
+   glFogfv(GL_FOG_COLOR, fogcolor);
+   glFogf(GL_FOG_DENSITY, 0.1);
+
+   p = (part *) malloc(sizeof(part) * np);
+
+   for (i = 0; i < np; i++)
+      setnewpart(&p[i]);
+
+   inittree();
+
+   glutKeyboardFunc(key);
+   glutSpecialFunc(special);
+   glutDisplayFunc(drawfire);
+   glutIdleFunc(idle);
+   glutReshapeFunc(reshape);
+   glutMainLoop();
+
+   return (0);
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/fogcoord.c b/nx-X11/extras/Mesa_6.4.2/progs/demos/fogcoord.c
new file mode 100644
index 000000000..19a15f05b
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/fogcoord.c
@@ -0,0 +1,420 @@
+/*
+ * EXT_fog_coord.
+ *
+ * Based on glutskel.c by Brian Paul
+ * and NeHe's Volumetric fog tutorial!
+ *
+ * Daniel Borca
+ */
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <GL/glut.h>
+
+#include "readtex.h"
+
+#define TEXTURE_FILE "../images/bw.rgb"
+
+#define ARRAYS 0     /* use glDrawElements   */
+
+#define VERBOSE 1    /* tell me what happens */
+
+#define DEPTH 15.0f
+
+#if !defined(GLAPIENTRYP)
+#    define GLAPIENTRYP *
+#endif
+
+typedef void (GLAPIENTRYP GLFOGCOORDFEXTPROC) (GLfloat f);
+typedef void (GLAPIENTRYP GLFOGCOORDPOINTEREXTPROC) (GLenum, GLsizei, const GLvoid *);
+
+static GLFOGCOORDFEXTPROC glFogCoordf_ext;
+#if ARRAYS
+static GLFOGCOORDPOINTEREXTPROC glFogCoordPointer_ext;
+#endif
+static GLboolean have_fog_coord;
+
+static GLfloat camz;
+static GLuint texture[1];
+
+static GLint fogMode;
+static GLboolean fogCoord;
+static GLfloat fogDensity = 0.75;
+static GLfloat fogStart = 1.0, fogEnd = 40.0;
+static GLfloat fogColor[4] = {0.6f, 0.3f, 0.0f, 1.0f};
+
+
+static void APIENTRY glFogCoordf_nop (GLfloat f)
+{
+   (void)f;
+}
+
+
+static int BuildTexture (const char *filename, GLuint texid[])
+{
+   GLubyte *tex_data;
+   GLenum tex_format;
+   GLint tex_width, tex_height;
+
+   tex_data = LoadRGBImage(filename, &tex_width, &tex_height, &tex_format);
+   if (tex_data == NULL) {
+      return -1;
+   }
+
+   {
+      GLint tex_max;
+      glGetIntegerv(GL_MAX_TEXTURE_SIZE, &tex_max);
+      if ((tex_width > tex_max) || (tex_height > tex_max)) {
+         return -1;
+      }
+   }
+
+   glGenTextures(1, texid);
+   
+   glBindTexture(GL_TEXTURE_2D, texid[0]);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+
+   glTexImage2D(GL_TEXTURE_2D, 0, tex_format, tex_width, tex_height, 0,
+                tex_format, GL_UNSIGNED_BYTE, tex_data);
+
+   return 0;
+}
+
+
+static int SetFogMode (GLint fogMode)
+{
+   fogMode &= 3;
+   switch (fogMode) {
+   case 0:
+      glDisable(GL_FOG);
+#if VERBOSE
+      printf("fog(disable)\n");
+#endif
+      break;
+   case 1:
+      glEnable(GL_FOG);
+      glFogi(GL_FOG_MODE, GL_LINEAR);
+      glFogf(GL_FOG_START, fogStart);
+      glFogf(GL_FOG_END, fogEnd);
+#if VERBOSE
+      printf("fog(GL_LINEAR, %.2f, %.2f)\n", fogStart, fogEnd);
+#endif
+      break;
+   case 2:
+      glEnable(GL_FOG);
+      glFogi(GL_FOG_MODE, GL_EXP);
+      glFogf(GL_FOG_DENSITY, fogDensity);
+#if VERBOSE
+      printf("fog(GL_EXP, %.2f)\n", fogDensity);
+#endif
+      break;
+   case 3:
+      glEnable(GL_FOG);
+      glFogi(GL_FOG_MODE, GL_EXP2);
+      glFogf(GL_FOG_DENSITY, fogDensity);
+#if VERBOSE
+      printf("fog(GL_EXP2, %.2f)\n", fogDensity);
+#endif
+      break;
+   }
+   return fogMode;
+}
+
+
+static GLboolean SetFogCoord (GLboolean fogCoord)
+{
+   glFogCoordf_ext = glFogCoordf_nop;
+
+   if (!have_fog_coord) {
+#if VERBOSE
+      printf("fog(GL_FRAGMENT_DEPTH_EXT)%s\n", fogCoord ? " EXT_fog_coord not available!" : "");
+#endif
+      return GL_FALSE;
+   }
+
+   if (fogCoord) {
+      glFogCoordf_ext = (GLFOGCOORDFEXTPROC)glutGetProcAddress("glFogCoordfEXT");
+      glFogi(GL_FOG_COORDINATE_SOURCE_EXT, GL_FOG_COORDINATE_EXT);
+#if VERBOSE
+      printf("fog(GL_FOG_COORDINATE_EXT)\n");
+#endif
+   } else {
+      glFogi(GL_FOG_COORDINATE_SOURCE_EXT, GL_FRAGMENT_DEPTH_EXT);
+#if VERBOSE
+      printf("fog(GL_FRAGMENT_DEPTH_EXT)\n");
+#endif
+   }
+   return fogCoord;
+}
+
+
+#if ARRAYS
+/* could reuse vertices */
+static GLuint vertex_index[] = {
+   /* Back */
+   0, 1, 2, 3,
+
+   /* Floor */
+   4, 5, 6, 7,
+
+   /* Roof */
+   8, 9, 10, 11,
+
+   /* Right */
+   12, 13, 14, 15,
+
+   /* Left */
+   16, 17, 18, 19
+};
+
+static GLfloat vertex_pointer[][3] = {
+   /* Back */
+   {-2.5f,-2.5f,-DEPTH}, { 2.5f,-2.5f,-DEPTH}, { 2.5f, 2.5f,-DEPTH}, {-2.5f, 2.5f,-DEPTH},
+
+   /* Floor */
+   {-2.5f,-2.5f,-DEPTH}, { 2.5f,-2.5f,-DEPTH}, { 2.5f,-2.5f, DEPTH}, {-2.5f,-2.5f, DEPTH},
+
+   /* Roof */
+   {-2.5f, 2.5f,-DEPTH}, { 2.5f, 2.5f,-DEPTH}, { 2.5f, 2.5f, DEPTH}, {-2.5f, 2.5f, DEPTH},
+
+   /* Right */
+   { 2.5f,-2.5f, DEPTH}, { 2.5f, 2.5f, DEPTH}, { 2.5f, 2.5f,-DEPTH}, { 2.5f,-2.5f,-DEPTH},
+
+   /* Left */
+   {-2.5f,-2.5f, DEPTH}, {-2.5f, 2.5f, DEPTH}, {-2.5f, 2.5f,-DEPTH}, {-2.5f,-2.5f,-DEPTH}
+};
+
+static GLfloat texcoord_pointer[][2] = {
+   /* Back */
+   {0.0f, 0.0f}, {1.0f, 0.0f}, {1.0f, 1.0f}, {0.0f, 1.0f},
+
+   /* Floor */
+   {0.0f, 0.0f}, {1.0f, 0.0f}, {1.0f, 1.0f}, {0.0f, 1.0f},
+
+   /* Roof */
+   {0.0f, 0.0f}, {1.0f, 0.0f}, {1.0f, 1.0f}, {0.0f, 1.0f},
+
+   /* Right */
+   {0.0f, 0.0f}, {0.0f, 1.0f}, {1.0f, 1.0f}, {1.0f, 0.0f},
+
+   /* Left */
+   {0.0f, 0.0f}, {0.0f, 1.0f}, {1.0f, 1.0f}, {1.0f, 0.0f}
+};
+
+static GLfloat fogcoord_pointer[][1] = {
+   /* Back */
+   {1.0f}, {1.0f}, {1.0f}, {1.0f},
+
+   /* Floor */
+   {1.0f}, {1.0f}, {0.0f}, {0.0f},
+
+   /* Roof */
+   {1.0f}, {1.0f}, {0.0f}, {0.0f},
+
+   /* Right */
+   {0.0f}, {0.0f}, {1.0f}, {1.0f},
+
+   /* Left */
+   {0.0f}, {0.0f}, {1.0f}, {1.0f}
+};
+#endif
+
+
+static void Display( void )
+{
+   glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+   glLoadIdentity ();
+   
+   glTranslatef(0.0f, 0.0f, camz);
+
+#if ARRAYS
+   glDrawElements(GL_QUADS, sizeof(vertex_index) / sizeof(vertex_index[0]), GL_UNSIGNED_INT, vertex_index);
+#else
+   /* Back */
+   glBegin(GL_QUADS);
+   glFogCoordf_ext(1.0f); glTexCoord2f(0.0f, 0.0f); glVertex3f(-2.5f,-2.5f,-DEPTH);
+   glFogCoordf_ext(1.0f); glTexCoord2f(1.0f, 0.0f); glVertex3f( 2.5f,-2.5f,-DEPTH);
+   glFogCoordf_ext(1.0f); glTexCoord2f(1.0f, 1.0f); glVertex3f( 2.5f, 2.5f,-DEPTH);
+   glFogCoordf_ext(1.0f); glTexCoord2f(0.0f, 1.0f); glVertex3f(-2.5f, 2.5f,-DEPTH);
+   glEnd();
+
+   /* Floor */
+   glBegin(GL_QUADS);
+   glFogCoordf_ext(1.0f); glTexCoord2f(0.0f, 0.0f); glVertex3f(-2.5f,-2.5f,-DEPTH);
+   glFogCoordf_ext(1.0f); glTexCoord2f(1.0f, 0.0f); glVertex3f( 2.5f,-2.5f,-DEPTH);
+   glFogCoordf_ext(0.0f); glTexCoord2f(1.0f, 1.0f); glVertex3f( 2.5f,-2.5f, DEPTH);
+   glFogCoordf_ext(0.0f); glTexCoord2f(0.0f, 1.0f); glVertex3f(-2.5f,-2.5f, DEPTH);
+   glEnd();
+
+   /* Roof */
+   glBegin(GL_QUADS);
+   glFogCoordf_ext(1.0f); glTexCoord2f(0.0f, 0.0f); glVertex3f(-2.5f, 2.5f,-DEPTH);
+   glFogCoordf_ext(1.0f); glTexCoord2f(1.0f, 0.0f); glVertex3f( 2.5f, 2.5f,-DEPTH);
+   glFogCoordf_ext(0.0f); glTexCoord2f(1.0f, 1.0f); glVertex3f( 2.5f, 2.5f, DEPTH);
+   glFogCoordf_ext(0.0f); glTexCoord2f(0.0f, 1.0f); glVertex3f(-2.5f, 2.5f, DEPTH);
+   glEnd();
+
+   /* Right */
+   glBegin(GL_QUADS);
+   glFogCoordf_ext(0.0f); glTexCoord2f(0.0f, 0.0f); glVertex3f( 2.5f,-2.5f, DEPTH);
+   glFogCoordf_ext(0.0f); glTexCoord2f(0.0f, 1.0f); glVertex3f( 2.5f, 2.5f, DEPTH);
+   glFogCoordf_ext(1.0f); glTexCoord2f(1.0f, 1.0f); glVertex3f( 2.5f, 2.5f,-DEPTH);
+   glFogCoordf_ext(1.0f); glTexCoord2f(1.0f, 0.0f); glVertex3f( 2.5f,-2.5f,-DEPTH);
+   glEnd();
+
+   /* Left */
+   glBegin(GL_QUADS);
+   glFogCoordf_ext(0.0f); glTexCoord2f(0.0f, 0.0f); glVertex3f(-2.5f,-2.5f, DEPTH);
+   glFogCoordf_ext(0.0f); glTexCoord2f(0.0f, 1.0f); glVertex3f(-2.5f, 2.5f, DEPTH);
+   glFogCoordf_ext(1.0f); glTexCoord2f(1.0f, 1.0f); glVertex3f(-2.5f, 2.5f,-DEPTH);
+   glFogCoordf_ext(1.0f); glTexCoord2f(1.0f, 0.0f); glVertex3f(-2.5f,-2.5f,-DEPTH);
+   glEnd();
+#endif
+
+   glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+   glViewport(0, 0, width, height);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   gluPerspective(45.0f, (GLfloat)(width)/(GLfloat)(height), 0.1f, 100.0f);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 'f':
+         fogMode = SetFogMode(fogMode + 1);
+         break;
+      case '+':
+         if (fogDensity < 1.0) {
+            fogDensity += 0.05;
+         }
+         SetFogMode(fogMode);
+         break;
+      case '-':
+         if (fogDensity > 0.0) {
+            fogDensity -= 0.05;
+         }
+         SetFogMode(fogMode);
+         break;
+      case 's':
+         if (fogStart > 0.0) {
+            fogStart -= 1.0;
+         }
+         SetFogMode(fogMode);
+         break;
+      case 'S':
+         if (fogStart < fogEnd) {
+            fogStart += 1.0;
+         }
+         SetFogMode(fogMode);
+         break;
+      case 'e':
+         if (fogEnd > fogStart) {
+            fogEnd -= 1.0;
+         }
+         SetFogMode(fogMode);
+         break;
+      case 'E':
+         if (fogEnd < 100.0) {
+            fogEnd += 1.0;
+         }
+         SetFogMode(fogMode);
+         break;
+      case 'c':
+         fogCoord = SetFogCoord(fogCoord ^ GL_TRUE);
+         break;
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void SpecialKey( int key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case GLUT_KEY_UP:
+         if (camz < (DEPTH - 1.0)) {
+            camz += 1.0f;
+         }
+         break;
+      case GLUT_KEY_DOWN:
+         if (camz > -19.0) {
+            camz -= 1.0f;
+         }
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void Init( void )
+{
+   have_fog_coord = glutExtensionSupported("GL_EXT_fog_coord");
+
+   if (BuildTexture(TEXTURE_FILE, texture) == -1) {
+      exit(1);
+   }
+
+   glEnable(GL_TEXTURE_2D);
+   glClearColor(0.0f, 0.0f, 0.0f, 0.5f);
+   glClearDepth(1.0f);
+   glDepthFunc(GL_LEQUAL);
+   glEnable(GL_DEPTH_TEST);
+   glShadeModel(GL_SMOOTH);
+   glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
+
+   glFogfv(GL_FOG_COLOR, fogColor);
+   glHint(GL_FOG_HINT, GL_NICEST);
+   fogCoord = SetFogCoord(GL_TRUE); /* try to enable fog_coord */
+   fogMode = SetFogMode(2);         /* GL_EXP */
+
+   camz = -19.0f;
+
+#if ARRAYS
+   glEnableClientState(GL_VERTEX_ARRAY);
+   glVertexPointer(3, GL_FLOAT, 0, vertex_pointer);
+
+   glEnableClientState(GL_TEXTURE_COORD_ARRAY);
+   glTexCoordPointer(2, GL_FLOAT, 0, texcoord_pointer);
+
+   if (have_fog_coord) {
+      glFogCoordPointer_ext = (GLFOGCOORDPOINTEREXTPROC)glutGetProcAddress("glFogCoordPointerEXT");
+      glEnableClientState(GL_FOG_COORDINATE_ARRAY_EXT);
+      glFogCoordPointer_ext(GL_FLOAT, 0, fogcoord_pointer);
+   }
+#endif
+}
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( 640, 480 );
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
+   glutCreateWindow(argv[0]);
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutSpecialFunc( SpecialKey );
+   glutDisplayFunc( Display );
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/fplight.c b/nx-X11/extras/Mesa_6.4.2/progs/demos/fplight.c
new file mode 100644
index 000000000..c7a38248d
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/fplight.c
@@ -0,0 +1,285 @@
+/*
+ * Use GL_NV_fragment_program to implement per-pixel lighting.
+ *
+ * Brian Paul
+ * 7 April 2003
+ */
+
+#include <assert.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+
+
+static GLfloat Diffuse[4] = { 0.5, 0.5, 1.0, 1.0 };
+static GLfloat Specular[4] = { 0.8, 0.8, 0.8, 1.0 };
+static GLfloat LightPos[4] = { 0.0, 10.0, 20.0, 1.0 };
+static GLfloat Delta = 1.0;
+
+static GLuint FragProg;
+static GLuint VertProg;
+static GLboolean Anim = GL_TRUE;
+static GLboolean Wire = GL_FALSE;
+static GLboolean PixelLight = GL_TRUE;
+
+static GLfloat Xrot = 0, Yrot = 0;
+
+
+#define NAMED_PARAMETER4FV(prog, name, v)        \
+  glProgramNamedParameter4fvNV(prog, strlen(name), (const GLubyte *) name, v)
+
+
+static void Display( void )
+{
+   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+   if (PixelLight) {
+#if defined(GL_NV_fragment_program)
+      NAMED_PARAMETER4FV(FragProg, "LightPos", LightPos);
+      glEnable(GL_FRAGMENT_PROGRAM_NV);
+      glEnable(GL_VERTEX_PROGRAM_NV);
+#endif
+      glDisable(GL_LIGHTING);
+   }
+   else {
+      glLightfv(GL_LIGHT0, GL_POSITION, LightPos);
+#if defined(GL_NV_fragment_program)
+      glDisable(GL_FRAGMENT_PROGRAM_NV);
+      glDisable(GL_VERTEX_PROGRAM_NV);
+#endif
+      glEnable(GL_LIGHTING);
+   }
+
+   glPushMatrix();
+   glRotatef(Xrot, 1, 0, 0);
+   glRotatef(Yrot, 0, 1, 0);
+
+#if 1
+   glutSolidSphere(2.0, 10, 5);
+#else
+   {
+      GLUquadricObj *q = gluNewQuadric();
+      gluQuadricNormals(q, GL_SMOOTH);
+      gluQuadricTexture(q, GL_TRUE);
+      glRotatef(90, 1, 0, 0);
+      glTranslatef(0, 0, -1);
+      gluCylinder(q, 1.0, 1.0, 2.0, 24, 1);
+      gluDeleteQuadric(q);
+   }
+#endif
+
+   glPopMatrix();
+
+   glutSwapBuffers();
+}
+
+
+static void Idle(void)
+{
+   LightPos[0] += Delta;
+   if (LightPos[0] > 25.0)
+      Delta = -1.0;
+   else if (LightPos[0] <- 25.0)
+      Delta = 1.0;
+   glutPostRedisplay();
+}
+
+
+static void Reshape( int width, int height )
+{
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glFrustum( -1.0, 1.0, -1.0, 1.0, 5.0, 25.0 );
+   /*glOrtho( -2.0, 2.0, -2.0, 2.0, 5.0, 25.0 );*/
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   glTranslatef( 0.0, 0.0, -15.0 );
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+     case ' ':
+        Anim = !Anim;
+        if (Anim)
+           glutIdleFunc(Idle);
+        else
+           glutIdleFunc(NULL);
+        break;
+      case 'x':
+         LightPos[0] -= 1.0;
+         break;
+      case 'X':
+         LightPos[0] += 1.0;
+         break;
+      case 'w':
+         Wire = !Wire;
+         if (Wire)
+            glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
+         else
+            glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
+         break;
+      case 'p':
+         PixelLight = !PixelLight;
+         if (PixelLight) {
+            printf("Per-pixel lighting\n");
+         }
+         else {
+            printf("Conventional lighting\n");
+         }
+         break;
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+static void SpecialKey( int key, int x, int y )
+{
+   const GLfloat step = 3.0;
+   (void) x;
+   (void) y;
+   switch (key) {
+      case GLUT_KEY_UP:
+         Xrot -= step;
+         break;
+      case GLUT_KEY_DOWN:
+         Xrot += step;
+         break;
+      case GLUT_KEY_LEFT:
+         Yrot -= step;
+         break;
+      case GLUT_KEY_RIGHT:
+         Yrot += step;
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void Init( void )
+{
+   static const char *fragProgramText =
+      "!!FP1.0\n"
+      "DECLARE Diffuse; \n"
+      "DECLARE Specular; \n"
+      "DECLARE LightPos; \n"
+
+      "# Compute normalized LightPos, put it in R0\n"
+      "DP3 R0.x, LightPos, LightPos;\n"
+      "RSQ R0.y, R0.x;\n"
+      "MUL R0, LightPos, R0.y;\n"
+
+      "# Compute normalized normal, put it in R1\n"
+      "DP3 R1, f[TEX0], f[TEX0]; \n"
+      "RSQ R1.y, R1.x;\n"
+      "MUL R1, f[TEX0], R1.y;\n"
+
+      "# Compute dot product of light direction and normal vector\n"
+      "DP3_SAT R2, R0, R1;"
+
+      "MUL R3, Diffuse, R2;    # diffuse attenuation\n"
+
+      "POW R4, R2.x, {20.0}.x; # specular exponent\n"
+
+      "MUL R5, Specular, R4;   # specular attenuation\n"
+
+      "ADD o[COLR], R3, R5;    # add diffuse and specular colors\n"
+      "END \n"
+      ;
+
+   static const char *vertProgramText =
+      "!!VP1.0\n"
+      "# typical modelview/projection transform\n"
+      "DP4   o[HPOS].x, c[0], v[OPOS] ;\n"
+      "DP4   o[HPOS].y, c[1], v[OPOS] ;\n"
+      "DP4   o[HPOS].z, c[2], v[OPOS] ;\n"
+      "DP4   o[HPOS].w, c[3], v[OPOS] ;\n"
+      "# transform normal by inv transpose of modelview, put in tex0\n"
+      "DP3   o[TEX0].x, c[4], v[NRML] ;\n"
+      "DP3   o[TEX0].y, c[5], v[NRML] ;\n"
+      "DP3   o[TEX0].z, c[6], v[NRML] ;\n"
+      "DP3   o[TEX0].w, c[7], v[NRML] ;\n"
+      "END\n";
+   ;
+
+   if (!glutExtensionSupported("GL_NV_vertex_program")) {
+      printf("Sorry, this demo requires GL_NV_vertex_program\n");
+      exit(1);
+   }
+   if (!glutExtensionSupported("GL_NV_fragment_program")) {
+      printf("Sorry, this demo requires GL_NV_fragment_program\n");
+      exit(1);
+   }
+         
+#if defined(GL_NV_fragment_program)
+   glGenProgramsNV(1, &FragProg);
+   assert(FragProg > 0);
+   glGenProgramsNV(1, &VertProg);
+   assert(VertProg > 0);
+
+   /*
+    * Fragment program
+    */
+   glLoadProgramNV(GL_FRAGMENT_PROGRAM_NV, FragProg,
+                   strlen(fragProgramText),
+                   (const GLubyte *) fragProgramText);
+   assert(glIsProgramNV(FragProg));
+   glBindProgramNV(GL_FRAGMENT_PROGRAM_NV, FragProg);
+
+   NAMED_PARAMETER4FV(FragProg, "Diffuse", Diffuse);
+   NAMED_PARAMETER4FV(FragProg, "Specular", Specular);
+
+   /*
+    * Vertex program
+    */
+   glLoadProgramNV(GL_VERTEX_PROGRAM_NV, VertProg,
+                   strlen(vertProgramText),
+                   (const GLubyte *) vertProgramText);
+   assert(glIsProgramNV(VertProg));
+   glBindProgramNV(GL_VERTEX_PROGRAM_NV, VertProg);
+   glTrackMatrixNV(GL_VERTEX_PROGRAM_NV, 0, GL_MODELVIEW_PROJECTION_NV, GL_IDENTITY_NV);
+   glTrackMatrixNV(GL_VERTEX_PROGRAM_NV, 4, GL_MODELVIEW, GL_INVERSE_TRANSPOSE_NV);
+#endif
+
+   /*
+    * Misc init
+    */
+   glClearColor(0.3, 0.3, 0.3, 0.0);
+   glEnable(GL_DEPTH_TEST);
+   glEnable(GL_LIGHT0);
+   glEnable(GL_LIGHTING);
+   glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, Diffuse);
+   glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, Specular);
+   glMaterialf(GL_FRONT_AND_BACK, GL_SHININESS, 20.0);
+
+   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
+   printf("Press p to toggle between per-pixel and per-vertex lighting\n");
+}
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( 200, 200 );
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
+   glutCreateWindow(argv[0]);
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutSpecialFunc( SpecialKey );
+   glutDisplayFunc( Display );
+   if (Anim)
+      glutIdleFunc(Idle);
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/gamma.c b/nx-X11/extras/Mesa_6.4.2/progs/demos/gamma.c
new file mode 100644
index 000000000..9b2c3e105
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/gamma.c
@@ -0,0 +1,162 @@
+
+/* Draw test patterns to help determine correct gamma value for a display.
+   When the intensities of the inner squares nearly match the intensities
+   of their frames (from some distance the borders should disappear) then
+   you've found the right gamma value.
+
+   You can set Mesa's gamma values (for red, green and blue) with the
+   MESA_GAMMA environment variable.  But only on X windows!
+   For example:
+        setenv MESA_GAMMA 1.5 1.6 1.4
+   Sets the red gamma value to 1.5, green to 1.6 and blue to 1.4.
+   See the main README file for more information.
+
+   For more info about gamma correction see:
+   http://www.inforamp.net/~poynton/notes/colour_and_gamma/GammaFAQ.html
+
+   This program is in the public domain
+
+   Brian Paul  19 Oct 1995
+   Kai Schuetz 05 Jun 1999 */
+
+/* Conversion to GLUT by Mark J. Kilgard */
+
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+static void
+Reshape(int width, int height)
+{
+  glViewport(0, 0, (GLint) width, (GLint) height);
+
+  glMatrixMode(GL_PROJECTION);
+  glLoadIdentity();
+  glOrtho(-1.0, 1.0, -1.0, 1.0, -1.0, 1.0);
+  glMatrixMode(GL_MODELVIEW);
+  glShadeModel(GL_FLAT);
+}
+
+/* ARGSUSED1 */
+static void
+key_esc(unsigned char key, int x, int y)
+{
+  if(key == 27) exit(0);  /* Exit on Escape */
+}
+
+static GLubyte p25[] = {
+  0xaa, 0xaa, 0xaa, 0xaa, 0x00, 0x00, 0x00, 0x00,
+  0xaa, 0xaa, 0xaa, 0xaa, 0x00, 0x00, 0x00, 0x00,
+  0xaa, 0xaa, 0xaa, 0xaa, 0x00, 0x00, 0x00, 0x00,
+  0xaa, 0xaa, 0xaa, 0xaa, 0x00, 0x00, 0x00, 0x00,
+  0xaa, 0xaa, 0xaa, 0xaa, 0x00, 0x00, 0x00, 0x00,
+  0xaa, 0xaa, 0xaa, 0xaa, 0x00, 0x00, 0x00, 0x00,
+  0xaa, 0xaa, 0xaa, 0xaa, 0x00, 0x00, 0x00, 0x00,
+  0xaa, 0xaa, 0xaa, 0xaa, 0x00, 0x00, 0x00, 0x00,
+  0xaa, 0xaa, 0xaa, 0xaa, 0x00, 0x00, 0x00, 0x00,
+  0xaa, 0xaa, 0xaa, 0xaa, 0x00, 0x00, 0x00, 0x00,
+  0xaa, 0xaa, 0xaa, 0xaa, 0x00, 0x00, 0x00, 0x00,
+  0xaa, 0xaa, 0xaa, 0xaa, 0x00, 0x00, 0x00, 0x00,
+  0xaa, 0xaa, 0xaa, 0xaa, 0x00, 0x00, 0x00, 0x00,
+  0xaa, 0xaa, 0xaa, 0xaa, 0x00, 0x00, 0x00, 0x00,
+  0xaa, 0xaa, 0xaa, 0xaa, 0x00, 0x00, 0x00, 0x00,
+  0xaa, 0xaa, 0xaa, 0xaa, 0x00, 0x00, 0x00, 0x00,
+};
+
+static GLubyte p50[] = {
+  0xaa, 0xaa, 0xaa, 0xaa, 0x55, 0x55, 0x55, 0x55,
+  0xaa, 0xaa, 0xaa, 0xaa, 0x55, 0x55, 0x55, 0x55,
+  0xaa, 0xaa, 0xaa, 0xaa, 0x55, 0x55, 0x55, 0x55,
+  0xaa, 0xaa, 0xaa, 0xaa, 0x55, 0x55, 0x55, 0x55,
+  0xaa, 0xaa, 0xaa, 0xaa, 0x55, 0x55, 0x55, 0x55,
+  0xaa, 0xaa, 0xaa, 0xaa, 0x55, 0x55, 0x55, 0x55,
+  0xaa, 0xaa, 0xaa, 0xaa, 0x55, 0x55, 0x55, 0x55,
+  0xaa, 0xaa, 0xaa, 0xaa, 0x55, 0x55, 0x55, 0x55,
+  0xaa, 0xaa, 0xaa, 0xaa, 0x55, 0x55, 0x55, 0x55,
+  0xaa, 0xaa, 0xaa, 0xaa, 0x55, 0x55, 0x55, 0x55,
+  0xaa, 0xaa, 0xaa, 0xaa, 0x55, 0x55, 0x55, 0x55,
+  0xaa, 0xaa, 0xaa, 0xaa, 0x55, 0x55, 0x55, 0x55,
+  0xaa, 0xaa, 0xaa, 0xaa, 0x55, 0x55, 0x55, 0x55,
+  0xaa, 0xaa, 0xaa, 0xaa, 0x55, 0x55, 0x55, 0x55,
+  0xaa, 0xaa, 0xaa, 0xaa, 0x55, 0x55, 0x55, 0x55,
+  0xaa, 0xaa, 0xaa, 0xaa, 0x55, 0x55, 0x55, 0x55,
+};
+
+static GLubyte p75[] = {
+  0xaa, 0xaa, 0xaa, 0xaa, 0xff, 0xff, 0xff, 0xff,
+  0xaa, 0xaa, 0xaa, 0xaa, 0xff, 0xff, 0xff, 0xff,
+  0xaa, 0xaa, 0xaa, 0xaa, 0xff, 0xff, 0xff, 0xff,
+  0xaa, 0xaa, 0xaa, 0xaa, 0xff, 0xff, 0xff, 0xff,
+  0xaa, 0xaa, 0xaa, 0xaa, 0xff, 0xff, 0xff, 0xff,
+  0xaa, 0xaa, 0xaa, 0xaa, 0xff, 0xff, 0xff, 0xff,
+  0xaa, 0xaa, 0xaa, 0xaa, 0xff, 0xff, 0xff, 0xff,
+  0xaa, 0xaa, 0xaa, 0xaa, 0xff, 0xff, 0xff, 0xff,
+  0xaa, 0xaa, 0xaa, 0xaa, 0xff, 0xff, 0xff, 0xff,
+  0xaa, 0xaa, 0xaa, 0xaa, 0xff, 0xff, 0xff, 0xff,
+  0xaa, 0xaa, 0xaa, 0xaa, 0xff, 0xff, 0xff, 0xff,
+  0xaa, 0xaa, 0xaa, 0xaa, 0xff, 0xff, 0xff, 0xff,
+  0xaa, 0xaa, 0xaa, 0xaa, 0xff, 0xff, 0xff, 0xff,
+  0xaa, 0xaa, 0xaa, 0xaa, 0xff, 0xff, 0xff, 0xff,
+  0xaa, 0xaa, 0xaa, 0xaa, 0xff, 0xff, 0xff, 0xff,
+  0xaa, 0xaa, 0xaa, 0xaa, 0xff, 0xff, 0xff, 0xff,
+};
+
+static GLubyte *stippletab[4] = {NULL, p25, p50, p75};
+
+static void
+gamma_ramp(GLfloat yoffs, GLfloat r, GLfloat g, GLfloat b)
+{
+  GLint d;
+
+  glColor3f(0.0, 0.0, 0.0);     /* solid black, no stipple */
+  glRectf(-1.0, yoffs, -0.6, yoffs + 0.5);
+
+  for(d = 1; d < 4; d++) {  /* increasing density from 25% to 75% */
+    GLfloat xcoord = (-1.0 + d*0.4);
+    GLfloat t = d * 0.25;
+
+    glColor3f(r*t, g*t, b*t); /* draw outer rect */
+    glRectf(xcoord, yoffs, xcoord+0.4, yoffs + 0.5);
+
+    glColor3f(0.0, 0.0, 0.0);   /* "clear" inner rect */
+    glRectf(xcoord + 0.1, yoffs + 0.125, xcoord + 0.3, yoffs + 0.375);
+
+    glColor3f(r, g, b);         /* draw stippled inner rect */
+    glEnable(GL_POLYGON_STIPPLE);
+    glPolygonStipple(stippletab[d]);
+    glRectf(xcoord + 0.1, yoffs + 0.125, xcoord + 0.3, yoffs + 0.375);
+    glDisable(GL_POLYGON_STIPPLE);
+  }
+  glColor3f(r, g, b);           /* solid color, no stipple */
+  glRectf(0.6, yoffs, 1.0, yoffs + 0.5);
+}
+
+static void
+display(void)
+{
+  gamma_ramp( 0.5, 1.0, 1.0, 1.0); /* white ramp */
+  gamma_ramp( 0.0, 1.0, 0.0, 0.0); /* red ramp */
+  gamma_ramp(-0.5, 0.0, 1.0, 0.0); /* green ramp */
+  gamma_ramp(-1.0, 0.0, 0.0, 1.0); /* blue ramp */
+  glFlush();
+}
+
+int
+main(int argc, char **argv)
+{
+  glutInit(&argc, argv);
+  glutInitDisplayMode(GLUT_RGB | GLUT_SINGLE);
+
+  glutInitWindowPosition(50, 50);
+  glutInitWindowSize(500, 400);
+
+  glutCreateWindow("gamma test patterns");
+  glutReshapeFunc(Reshape);
+  glutDisplayFunc(display);
+  glutKeyboardFunc(key_esc);
+
+  glutMainLoop();
+  return 0;             /* ANSI C requires main to return int. */
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/gears.c b/nx-X11/extras/Mesa_6.4.2/progs/demos/gears.c
new file mode 100644
index 000000000..ab9bc0074
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/gears.c
@@ -0,0 +1,381 @@
+/*
+ * 3-D gear wheels.  This program is in the public domain.
+ *
+ * Command line options:
+ *    -info      print GL implementation information
+ *    -exit      automatically exit after 30 seconds
+ *
+ *
+ * Brian Paul
+ */
+
+/* Conversion to GLUT by Mark J. Kilgard */
+
+
+
+#include <math.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <GL/glut.h>
+
+#ifndef M_PI
+#define M_PI 3.14159265
+#endif
+
+static GLint T0 = 0;
+static GLint Frames = 0;
+static GLint autoexit = 0;
+static GLint win = 0;
+
+
+/**
+
+  Draw a gear wheel.  You'll probably want to call this function when
+  building a display list since we do a lot of trig here.
+ 
+  Input:  inner_radius - radius of hole at center
+          outer_radius - radius at center of teeth
+          width - width of gear
+          teeth - number of teeth
+          tooth_depth - depth of tooth
+
+ **/
+
+static void
+gear(GLfloat inner_radius, GLfloat outer_radius, GLfloat width,
+  GLint teeth, GLfloat tooth_depth)
+{
+  GLint i;
+  GLfloat r0, r1, r2;
+  GLfloat angle, da;
+  GLfloat u, v, len;
+
+  r0 = inner_radius;
+  r1 = outer_radius - tooth_depth / 2.0;
+  r2 = outer_radius + tooth_depth / 2.0;
+
+  da = 2.0 * M_PI / teeth / 4.0;
+
+  glShadeModel(GL_FLAT);
+
+  glNormal3f(0.0, 0.0, 1.0);
+
+  /* draw front face */
+  glBegin(GL_QUAD_STRIP);
+  for (i = 0; i <= teeth; i++) {
+    angle = i * 2.0 * M_PI / teeth;
+    glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5);
+    glVertex3f(r1 * cos(angle), r1 * sin(angle), width * 0.5);
+    if (i < teeth) {
+      glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5);
+      glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), width * 0.5);
+    }
+  }
+  glEnd();
+
+  /* draw front sides of teeth */
+  glBegin(GL_QUADS);
+  da = 2.0 * M_PI / teeth / 4.0;
+  for (i = 0; i < teeth; i++) {
+    angle = i * 2.0 * M_PI / teeth;
+
+    glVertex3f(r1 * cos(angle), r1 * sin(angle), width * 0.5);
+    glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), width * 0.5);
+    glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da), width * 0.5);
+    glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), width * 0.5);
+  }
+  glEnd();
+
+  glNormal3f(0.0, 0.0, -1.0);
+
+  /* draw back face */
+  glBegin(GL_QUAD_STRIP);
+  for (i = 0; i <= teeth; i++) {
+    angle = i * 2.0 * M_PI / teeth;
+    glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5);
+    glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5);
+    if (i < teeth) {
+      glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), -width * 0.5);
+      glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5);
+    }
+  }
+  glEnd();
+
+  /* draw back sides of teeth */
+  glBegin(GL_QUADS);
+  da = 2.0 * M_PI / teeth / 4.0;
+  for (i = 0; i < teeth; i++) {
+    angle = i * 2.0 * M_PI / teeth;
+
+    glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), -width * 0.5);
+    glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da), -width * 0.5);
+    glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), -width * 0.5);
+    glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5);
+  }
+  glEnd();
+
+  /* draw outward faces of teeth */
+  glBegin(GL_QUAD_STRIP);
+  for (i = 0; i < teeth; i++) {
+    angle = i * 2.0 * M_PI / teeth;
+
+    glVertex3f(r1 * cos(angle), r1 * sin(angle), width * 0.5);
+    glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5);
+    u = r2 * cos(angle + da) - r1 * cos(angle);
+    v = r2 * sin(angle + da) - r1 * sin(angle);
+    len = sqrt(u * u + v * v);
+    u /= len;
+    v /= len;
+    glNormal3f(v, -u, 0.0);
+    glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), width * 0.5);
+    glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), -width * 0.5);
+    glNormal3f(cos(angle), sin(angle), 0.0);
+    glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da), width * 0.5);
+    glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da), -width * 0.5);
+    u = r1 * cos(angle + 3 * da) - r2 * cos(angle + 2 * da);
+    v = r1 * sin(angle + 3 * da) - r2 * sin(angle + 2 * da);
+    glNormal3f(v, -u, 0.0);
+    glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), width * 0.5);
+    glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), -width * 0.5);
+    glNormal3f(cos(angle), sin(angle), 0.0);
+  }
+
+  glVertex3f(r1 * cos(0), r1 * sin(0), width * 0.5);
+  glVertex3f(r1 * cos(0), r1 * sin(0), -width * 0.5);
+
+  glEnd();
+
+  glShadeModel(GL_SMOOTH);
+
+  /* draw inside radius cylinder */
+  glBegin(GL_QUAD_STRIP);
+  for (i = 0; i <= teeth; i++) {
+    angle = i * 2.0 * M_PI / teeth;
+    glNormal3f(-cos(angle), -sin(angle), 0.0);
+    glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5);
+    glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5);
+  }
+  glEnd();
+
+}
+
+static GLfloat view_rotx = 20.0, view_roty = 30.0, view_rotz = 0.0;
+static GLint gear1, gear2, gear3;
+static GLfloat angle = 0.0;
+
+static void
+cleanup(void)
+{
+   glDeleteLists(gear1, 1);
+   glDeleteLists(gear2, 1);
+   glDeleteLists(gear3, 1);
+   glutDestroyWindow(win);
+}
+
+static void
+draw(void)
+{
+  glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+  glPushMatrix();
+    glRotatef(view_rotx, 1.0, 0.0, 0.0);
+    glRotatef(view_roty, 0.0, 1.0, 0.0);
+    glRotatef(view_rotz, 0.0, 0.0, 1.0);
+
+    glPushMatrix();
+      glTranslatef(-3.0, -2.0, 0.0);
+      glRotatef(angle, 0.0, 0.0, 1.0);
+      glCallList(gear1);
+    glPopMatrix();
+
+    glPushMatrix();
+      glTranslatef(3.1, -2.0, 0.0);
+      glRotatef(-2.0 * angle - 9.0, 0.0, 0.0, 1.0);
+      glCallList(gear2);
+    glPopMatrix();
+
+    glPushMatrix();
+      glTranslatef(-3.1, 4.2, 0.0);
+      glRotatef(-2.0 * angle - 25.0, 0.0, 0.0, 1.0);
+      glCallList(gear3);
+    glPopMatrix();
+
+  glPopMatrix();
+
+  glutSwapBuffers();
+
+  Frames++;
+
+  {
+    GLint t = glutGet(GLUT_ELAPSED_TIME);
+    if (t - T0 >= 5000) {
+      GLfloat seconds = (t - T0) / 1000.0;
+      GLfloat fps = Frames / seconds;
+      printf("%d frames in %6.3f seconds = %6.3f FPS\n", Frames, seconds, fps);
+      T0 = t;
+      Frames = 0;
+      if ((t >= 999.0 * autoexit) && (autoexit)) {
+        cleanup();
+        exit(0);
+      }
+    }
+  }
+}
+
+
+static void
+idle(void)
+{
+  static double t0 = -1.;
+  double dt, t = glutGet(GLUT_ELAPSED_TIME) / 1000.0;
+  if (t0 < 0.0)
+    t0 = t;
+  dt = t - t0;
+  t0 = t;
+
+  angle += 70.0 * dt;  /* 70 degrees per second */
+  angle = fmod(angle, 360.0); /* prevents eventual overflow */
+
+  glutPostRedisplay();
+}
+
+/* change view angle, exit upon ESC */
+/* ARGSUSED1 */
+static void
+key(unsigned char k, int x, int y)
+{
+  switch (k) {
+  case 'z':
+    view_rotz += 5.0;
+    break;
+  case 'Z':
+    view_rotz -= 5.0;
+    break;
+  case 27:  /* Escape */
+    cleanup();
+    exit(0);
+    break;
+  default:
+    return;
+  }
+  glutPostRedisplay();
+}
+
+/* change view angle */
+/* ARGSUSED1 */
+static void
+special(int k, int x, int y)
+{
+  switch (k) {
+  case GLUT_KEY_UP:
+    view_rotx += 5.0;
+    break;
+  case GLUT_KEY_DOWN:
+    view_rotx -= 5.0;
+    break;
+  case GLUT_KEY_LEFT:
+    view_roty += 5.0;
+    break;
+  case GLUT_KEY_RIGHT:
+    view_roty -= 5.0;
+    break;
+  default:
+    return;
+  }
+  glutPostRedisplay();
+}
+
+/* new window size or exposure */
+static void
+reshape(int width, int height)
+{
+  GLfloat h = (GLfloat) height / (GLfloat) width;
+
+  glViewport(0, 0, (GLint) width, (GLint) height);
+  glMatrixMode(GL_PROJECTION);
+  glLoadIdentity();
+  glFrustum(-1.0, 1.0, -h, h, 5.0, 60.0);
+  glMatrixMode(GL_MODELVIEW);
+  glLoadIdentity();
+  glTranslatef(0.0, 0.0, -40.0);
+}
+
+static void
+init(int argc, char *argv[])
+{
+  static GLfloat pos[4] = {5.0, 5.0, 10.0, 0.0};
+  static GLfloat red[4] = {0.8, 0.1, 0.0, 1.0};
+  static GLfloat green[4] = {0.0, 0.8, 0.2, 1.0};
+  static GLfloat blue[4] = {0.2, 0.2, 1.0, 1.0};
+  GLint i;
+
+  glLightfv(GL_LIGHT0, GL_POSITION, pos);
+  glEnable(GL_CULL_FACE);
+  glEnable(GL_LIGHTING);
+  glEnable(GL_LIGHT0);
+  glEnable(GL_DEPTH_TEST);
+
+  /* make the gears */
+  gear1 = glGenLists(1);
+  glNewList(gear1, GL_COMPILE);
+  glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, red);
+  gear(1.0, 4.0, 1.0, 20, 0.7);
+  glEndList();
+
+  gear2 = glGenLists(1);
+  glNewList(gear2, GL_COMPILE);
+  glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, green);
+  gear(0.5, 2.0, 2.0, 10, 0.7);
+  glEndList();
+
+  gear3 = glGenLists(1);
+  glNewList(gear3, GL_COMPILE);
+  glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, blue);
+  gear(1.3, 2.0, 0.5, 10, 0.7);
+  glEndList();
+
+  glEnable(GL_NORMALIZE);
+
+  for ( i=1; i<argc; i++ ) {
+    if (strcmp(argv[i], "-info")==0) {
+      printf("GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+      printf("GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+      printf("GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+      printf("GL_EXTENSIONS = %s\n", (char *) glGetString(GL_EXTENSIONS));
+    }
+    else if ( strcmp(argv[i], "-exit")==0) {
+      autoexit = 30;
+      printf("Auto Exit after %i seconds.\n", autoexit );
+    }
+  }
+}
+
+static void 
+visible(int vis)
+{
+  if (vis == GLUT_VISIBLE)
+    glutIdleFunc(idle);
+  else
+    glutIdleFunc(NULL);
+}
+
+int main(int argc, char *argv[])
+{
+  glutInit(&argc, argv);
+  glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE);
+
+  glutInitWindowPosition(0, 0);
+  glutInitWindowSize(300, 300);
+  win = glutCreateWindow("Gears");
+  init(argc, argv);
+
+  glutDisplayFunc(draw);
+  glutReshapeFunc(reshape);
+  glutKeyboardFunc(key);
+  glutSpecialFunc(special);
+  glutVisibilityFunc(visible);
+
+  glutMainLoop();
+  return 0;             /* ANSI C requires main to return int. */
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/geartrain.c b/nx-X11/extras/Mesa_6.4.2/progs/demos/geartrain.c
new file mode 100644
index 000000000..3feb2a052
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/geartrain.c
@@ -0,0 +1,1073 @@
+
+/*
+ * GearTrain Simulator * Version:  1.00
+ *
+ * Copyright (C) 1999  Shobhan Kumar Dutta  All Rights Reserved.
+ * <skdutta@del3.vsnl.net.in>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * SHOBHAN KUMAR DUTTA BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT
+ * OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+
+#include <math.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+#include <string.h>
+#include <stdio.h>
+
+#ifndef min
+#define min(x, y) ( x < y ? x : y )
+#endif
+
+#ifndef M_PI
+#define M_PI 3.14159265
+#endif	/*  */
+typedef GLfloat TDA[4];
+
+TDA background;
+
+
+struct AXLE
+  {
+    char name[20];
+      GLint id;
+      GLfloat radius;
+      GLint axis;
+      TDA color;
+      TDA position;
+      GLfloat length;
+      GLint motored;
+      GLfloat angular_velocity;
+      GLint direction;
+  };
+
+
+struct GEAR
+  {
+    char name[20];
+    char type[7];
+      GLint face;
+      GLint id;
+      GLfloat radius;
+      GLfloat width;
+      GLint teeth;
+      GLfloat tooth_depth;
+      GLfloat angle;
+      GLfloat angular_velocity;
+      TDA color;
+      GLint relative_position;
+      TDA position;
+    char axle_name[20];
+      GLint axis;
+      GLint direction;
+      GLint motored;
+  };
+
+
+struct BELT
+  {
+    char name[20];
+      GLint id;
+    char gear1_name[20];
+    char gear2_name[20];
+  };
+
+
+FILE * mainfile;
+struct GEAR g[10];
+struct AXLE a[10];
+struct BELT b[10];
+int number_of_gears;
+int number_of_axles;
+int number_of_belts;
+
+
+char Buf1[256], Buf2[256], Buf3[256], Buf4[256], Buf5[256];
+
+static GLint T0 = 0;
+static GLint Frames = 0;
+
+
+#ifndef _WIN32
+static void
+strset (char buf[], char ch)
+{
+    int i;
+    for (i = 0; i < strlen (buf); i++)
+      buf[i] = ch;
+}
+#endif
+
+
+static void
+Clear_Buffers ()
+{
+    strset (Buf1, 0);
+    strset (Buf2, 0);
+    strset (Buf3, 0);
+    strset (Buf4, 0);
+    strset (Buf5, 0);
+}
+
+
+static void
+LoadTriplet (TDA A)
+{
+    Clear_Buffers ();
+    fscanf (mainfile, "%s %s %s %s", Buf1, Buf2, Buf3, Buf4);
+    A[0] = atof (Buf2);
+    A[1] = atof (Buf3);
+    A[2] = atof (Buf4);
+}
+
+
+static void
+LoadReal (float *a)
+{
+    Clear_Buffers ();
+    fscanf (mainfile, "%s %s", Buf1, Buf2);
+    *a = atof (Buf2);
+}
+
+
+static void
+LoadInteger (int *a)
+{
+    Clear_Buffers ();
+    fscanf (mainfile, "%s %s", Buf1, Buf2);
+    *a = atoi (Buf2);
+}
+
+
+static void
+LoadText (char *a)
+{
+    Clear_Buffers ();
+    fscanf (mainfile, "%s %s", Buf1, Buf2);
+    strcpy (a, Buf2);
+}
+
+
+static void
+getdata (char filename[])
+{
+    int gear_count = 0, axle_count = 0, belt_count = 0, i;
+
+    mainfile = fopen (filename, "r");
+    if (!mainfile) {
+       printf("Error: couldn't open %s\n", filename);
+       exit(-1);
+    }
+
+    do
+    {
+	Clear_Buffers ();
+	fscanf (mainfile, "%s", Buf1);
+	if (ferror (mainfile))
+	{
+	    printf ("\nError opening file !\n");
+	    exit (1);
+	}
+
+	if (!(strcmp (Buf1, "BACKGROUND")))
+	  LoadTriplet (background);
+
+	if (!(strcmp (Buf1, "ANAME")))
+	{
+	    LoadText (a[axle_count].name);
+	    axle_count++;
+	}
+
+	if (!(strcmp (Buf1, "ARADIUS")))
+	  LoadReal (&a[axle_count - 1].radius);
+
+	if (!(strcmp (Buf1, "AAXIS")))
+	  LoadInteger (&a[axle_count - 1].axis);
+
+	if (!(strcmp (Buf1, "ACOLOR")))
+	  LoadTriplet (a[axle_count - 1].color);
+
+	if (!(strcmp (Buf1, "APOSITION")))
+	  LoadTriplet (a[axle_count - 1].position);
+
+	if (!(strcmp (Buf1, "ALENGTH")))
+	  LoadReal (&a[axle_count - 1].length);
+
+	if (!(strcmp (Buf1, "AMOTORED")))
+	  LoadInteger (&a[axle_count - 1].motored);
+
+	if (!(strcmp (Buf1, "AANGULARVELOCITY")))
+	  LoadReal (&a[axle_count - 1].angular_velocity);
+
+	if (!(strcmp (Buf1, "ADIRECTION")))
+	  LoadInteger (&a[axle_count - 1].direction);
+
+	if (!(strcmp (Buf1, "GNAME")))
+	{
+	    LoadText (g[gear_count].name);
+	    gear_count++;
+	}
+
+	if (!(strcmp (Buf1, "GTYPE")))
+	  LoadText (g[gear_count - 1].type);
+
+	if (!(strcmp (Buf1, "GFACE")))
+	  LoadInteger (&g[gear_count - 1].face);
+
+	if (!(strcmp (Buf1, "GRADIUS")))
+	  LoadReal (&g[gear_count - 1].radius);
+
+	if (!(strcmp (Buf1, "GWIDTH")))
+	  LoadReal (&g[gear_count - 1].width);
+
+	if (!(strcmp (Buf1, "GTEETH")))
+	  LoadInteger (&g[gear_count - 1].teeth);
+
+	if (!(strcmp (Buf1, "GTOOTHDEPTH")))
+	  LoadReal (&g[gear_count - 1].tooth_depth);
+
+	if (!(strcmp (Buf1, "GCOLOR")))
+	  LoadTriplet (g[gear_count - 1].color);
+
+	if (!(strcmp (Buf1, "GAXLE")))
+	  LoadText (g[gear_count - 1].axle_name);
+
+	if (!(strcmp (Buf1, "GPOSITION")))
+	  LoadInteger (&g[gear_count - 1].relative_position);
+
+	if (!(strcmp (Buf1, "BELTNAME")))
+	{
+	    LoadText (b[belt_count].name);
+	    belt_count++;
+	}
+
+	if (!(strcmp (Buf1, "GEAR1NAME")))
+	  LoadText (b[belt_count - 1].gear1_name);
+
+	if (!(strcmp (Buf1, "GEAR2NAME")))
+	  LoadText (b[belt_count - 1].gear2_name);
+    }
+
+    while (Buf1[0] != 0);
+
+    for (i = 0; i < number_of_gears; i++)
+    {
+	g[i].axis = -1;
+	g[i].direction = 0;
+	g[i].angular_velocity = 0.0;
+    }
+
+    number_of_gears = gear_count;
+    number_of_axles = axle_count;
+    number_of_belts = belt_count;
+    fclose (mainfile);
+}
+
+
+static void
+axle (GLint j, GLfloat radius, GLfloat length)
+{
+    GLfloat angle, rad, incr = 10.0 * M_PI / 180.0;
+
+    /* draw main cylinder */
+    glBegin (GL_QUADS);
+    for (angle = 0.0; angle < 360.0; angle += 5.0)
+    {
+	rad = angle * M_PI / 180.0;
+	glNormal3f (cos (rad), sin (rad), 0.0);
+	glVertex3f (radius * cos (rad), radius * sin (rad), length / 2);
+	glVertex3f (radius * cos (rad), radius * sin (rad), -length / 2);
+	glVertex3f (radius * cos (rad + incr), radius * sin (rad + incr), -length / 2);
+	glVertex3f (radius * cos (rad + incr), radius * sin (rad + incr), length / 2);
+    }
+    glEnd ();
+
+    /* draw front face */
+    glNormal3f (0.0, 0.0, 1.0);
+    glBegin (GL_TRIANGLES);
+    for (angle = 0.0; angle < 360.0; angle += 5.0)
+    {
+	rad = angle * M_PI / 180.0;
+	glVertex3f (0.0, 0.0, length / 2);
+      	glVertex3f (radius * cos (rad), radius * sin (rad), length / 2);
+	glVertex3f (radius * cos (rad + incr), radius * sin (rad + incr), length / 2);
+	glVertex3f (0.0, 0.0, length / 2);
+    }
+    glEnd ();
+
+    /* draw back face */
+    glNormal3f (0.0, 0.0, -1.0);
+    glBegin (GL_TRIANGLES);
+    for (angle = 0.0; angle <= 360.0; angle += 5.0)
+    {
+	rad = angle * M_PI / 180.0;
+	glVertex3f (0.0, 0.0, -length / 2);
+	glVertex3f (radius * cos (rad), radius * sin (rad), -length / 2);
+	glVertex3f (radius * cos (rad + incr), radius * sin (rad + incr), -length / 2);
+	glVertex3f (0.0, 0.0, -length / 2);
+    }
+    glEnd ();
+}
+
+
+
+static void
+gear (GLint j, char type[], GLfloat radius, GLfloat width,
+      GLint teeth, GLfloat tooth_depth)
+{
+    GLint i;
+    GLfloat r1, r2;
+    GLfloat angle, da;
+    GLfloat u, v, len, fraction = 0.5;
+    GLfloat n = 1.0;
+
+    r1 = radius - tooth_depth;
+    r2 = radius;
+
+    da = 2.0 * M_PI / teeth / 4.0;
+    if (!g[j].face)
+    {
+	fraction = -0.5;
+	n = -1.0;
+    }
+    if (!(strcmp (type, "NORMAL")))
+    {
+	fraction = 0.5;
+	n = 1.0;
+    }
+
+    /* draw front face */
+    if (!(strcmp (type, "NORMAL")))
+    {
+	glNormal3f (0.0, 0.0, 1.0 * n);
+	glBegin (GL_QUAD_STRIP);
+	for (i = 0; i <= teeth; i++)
+	{
+	    angle = i * 2.0 * M_PI / teeth;
+	    glVertex3f (0.0, 0.0, width * fraction);
+	    glVertex3f (r1 * cos (angle), r1 * sin (angle), width * fraction);
+	    glVertex3f (0.0, 0.0, width * fraction);
+	    glVertex3f (r1 * cos (angle + 3 * da), r1 * sin (angle + 3 * da), width * fraction);
+	}
+	glEnd ();
+    }
+    else
+    {
+	glNormal3f (0.0, 0.0, 1.0 * n);
+	glBegin (GL_QUAD_STRIP);
+	for (i = 0; i <= teeth; i++)
+	{
+	    angle = i * 2.0 * M_PI / teeth;
+	    glVertex3f (0.0, 0.0, width * fraction);
+	    glVertex3f ((r2 - width) * cos (angle), (r2 - width) * sin (angle), width * fraction);
+	    glVertex3f (0.0, 0.0, width * fraction);
+	    glVertex3f ((r2 - width) * cos (angle + 3 * da), (r2 - width) * sin (angle + 3 * da), width * fraction);
+	}
+	glEnd ();
+    }
+
+    /* draw front sides of teeth */
+    if (!(strcmp (type, "NORMAL")))
+    {
+	glNormal3f (0.0, 0.0, 1.0 * n);
+	glBegin (GL_QUADS);
+	da = 2.0 * M_PI / teeth / 4.0;
+	for (i = 0; i < teeth; i++)
+	{
+	    angle = i * 2.0 * M_PI / teeth;
+	    glVertex3f (r1 * cos (angle), r1 * sin (angle), width * fraction);
+	    glVertex3f (r2 * cos (angle + da), r2 * sin (angle + da), width * fraction);
+	    glVertex3f (r2 * cos (angle + 2 * da), r2 * sin (angle + 2 * da), width * fraction);
+	    glVertex3f (r1 * cos (angle + 3 * da), r1 * sin (angle + 3 * da), width * fraction);
+	}
+	glEnd ();
+    }
+
+    glNormal3f (0.0, 0.0, -1.0 * n);
+
+    /* draw back face */
+    glBegin (GL_QUAD_STRIP);
+    for (i = 0; i <= teeth; i++)
+    {
+	angle = i * 2.0 * M_PI / teeth;
+	glVertex3f (r1 * cos (angle), r1 * sin (angle), -width * fraction);
+	glVertex3f (0.0, 0.0, -width * fraction);
+	glVertex3f (r1 * cos (angle + 3 * da), r1 * sin (angle + 3 * da), -width * fraction);
+	glVertex3f (0.0, 0.0, -width * fraction);
+    }
+    glEnd ();
+
+    /* draw back sides of teeth */
+    glNormal3f (0.0, 0.0, -1.0 * n);
+    glBegin (GL_QUADS);
+    da = 2.0 * M_PI / teeth / 4.0;
+    for (i = 0; i < teeth; i++)
+    {
+	angle = i * 2.0 * M_PI / teeth;
+	glVertex3f (r1 * cos (angle + 3 * da), r1 * sin (angle + 3 * da), -width * fraction);
+	glVertex3f (r2 * cos (angle + 2 * da), r2 * sin (angle + 2 * da), -width * fraction);
+	glVertex3f (r2 * cos (angle + da), r2 * sin (angle + da), -width * fraction);
+	glVertex3f (r1 * cos (angle), r1 * sin (angle), -width * fraction);
+    }
+    glEnd ();
+
+
+    /* draw outward faces of teeth */
+    if (!(strcmp (type, "NORMAL")))
+    {
+	glBegin (GL_QUAD_STRIP);
+	for (i = 0; i < teeth; i++)
+	{
+	    angle = i * 2.0 * M_PI / teeth;
+
+	    glVertex3f (r1 * cos (angle), r1 * sin (angle), width * fraction);
+	    glVertex3f (r1 * cos (angle), r1 * sin (angle), -width * fraction);
+	    u = r2 * cos (angle + da) - r1 * cos (angle);
+	    v = r2 * sin (angle + da) - r1 * sin (angle);
+	    len = sqrt (u * u + v * v);
+	    u /= len;
+	    v /= len;
+	    glNormal3f (v, -u, 0.0);
+	    glVertex3f (r2 * cos (angle + da), r2 * sin (angle + da), width * fraction);
+	    glVertex3f (r2 * cos (angle + da), r2 * sin (angle + da), -width * fraction);
+	    glNormal3f (cos (angle), sin (angle), 0.0);
+	    glVertex3f (r2 * cos (angle + 2 * da), r2 * sin (angle + 2 * da), width * fraction);
+	    glVertex3f (r2 * cos (angle + 2 * da), r2 * sin (angle + 2 * da), -width * fraction);
+	    u = r1 * cos (angle + 3 * da) - r2 * cos (angle + 2 * da);
+	    v = r1 * sin (angle + 3 * da) - r2 * sin (angle + 2 * da);
+	    glNormal3f (v, -u, 0.0);
+	    glVertex3f (r1 * cos (angle + 3 * da), r1 * sin (angle + 3 * da), width * fraction);
+	    glVertex3f (r1 * cos (angle + 3 * da), r1 * sin (angle + 3 * da), -width * fraction);
+	    glNormal3f (cos (angle), sin (angle), 0.0);
+	}
+    }
+    else
+    {
+	glBegin (GL_QUAD_STRIP);
+	for (i = 0; i < teeth; i++)
+	{
+	    angle = i * 2.0 * M_PI / teeth;
+	    glVertex3f (r1 * cos (angle), r1 * sin (angle), width * fraction);
+	    glVertex3f (r1 * cos (angle), r1 * sin (angle), -width * fraction);
+	    u = r2 * cos (angle + da) - r1 * cos (angle);
+	    v = r2 * sin (angle + da) - r1 * sin (angle);
+	    len = sqrt (u * u + v * v);
+	    u /= len;
+	    v /= len;
+	    glNormal3f (v, -u, 0.0);
+	    glVertex3f ((r2 - width) * cos (angle + da), (r2 - width) * sin (angle + da), width * fraction);
+	    glVertex3f (r2 * cos (angle + da), r2 * sin (angle + da), -width * fraction);
+	    glNormal3f (cos (angle), sin (angle), n);
+	    glVertex3f ((r2 - width) * cos (angle + 2 * da), (r2 - width) * sin (angle + 2 * da), width * fraction);
+	    glVertex3f (r2 * cos (angle + 2 * da), r2 * sin (angle + 2 * da), -width * fraction);
+	    u = r1 * cos (angle + 3 * da) - r2 * cos (angle + 2 * da);
+	    v = r1 * sin (angle + 3 * da) - r2 * sin (angle + 2 * da);
+	    glNormal3f (v, -u, 0.0);
+	    glVertex3f (r1 * cos (angle + 3 * da), r1 * sin (angle + 3 * da), width * fraction);
+	    glVertex3f (r1 * cos (angle + 3 * da), r1 * sin (angle + 3 * da), -width * fraction);
+	    glNormal3f (cos (angle), sin (angle), n);
+	}
+    }
+
+    glVertex3f (r1 * cos (0), r1 * sin (0), width * fraction);
+    glVertex3f (r1 * cos (0), r1 * sin (0), -width * fraction);
+    glEnd ();
+}
+
+
+static void
+belt (struct GEAR g1, struct GEAR g2)
+{
+    GLfloat D, alpha, phi, angle, incr, width;
+    GLint indexes[3] =
+    {
+       0, 0, 0
+    };
+
+    GLfloat col[3] =
+    {
+       0.0, 0.0, 0.0
+    };
+
+    width = min (g1.width, g2.width);
+    D = sqrt (pow (g1.position[0] - g2.position[0], 2) + pow (g1.position[1] - g2.position[1], 2) + pow (g1.position[2] - g2.position[2], 2));
+    alpha = acos ((g2.position[0] - g1.position[0]) / D);
+    phi = acos ((g1.radius - g2.radius) / D);
+    glBegin (GL_QUADS);
+    glColor3fv (col);
+    glMaterialiv (GL_FRONT, GL_COLOR_INDEXES, indexes);
+    incr = 1.2 * 360.0 / g1.teeth * M_PI / 180.00;
+    for (angle = alpha + phi; angle <= 2 * M_PI - phi + alpha; angle += 360.0 / g1.teeth * M_PI / 180.00)
+    {
+	glNormal3f (cos (angle), sin (angle), 0.0);
+	glVertex3f (g1.radius * cos (angle), g1.radius * sin (angle), width * 0.5);
+	glVertex3f (g1.radius * cos (angle), g1.radius * sin (angle), -width * 0.5);
+	glVertex3f (g1.radius * cos (angle + incr), g1.radius * sin (angle + incr), -width * 0.5);
+	glVertex3f (g1.radius * cos (angle + incr), g1.radius * sin (angle + incr), width * 0.5);
+    }
+    glEnd ();
+    glBegin (GL_QUADS);
+    glColor3fv (col);
+    glMaterialiv (GL_FRONT, GL_COLOR_INDEXES, indexes);
+    incr = 1.2 * 360.0 / g2.teeth * M_PI / 180.00;
+    for (angle = -phi + alpha; angle <= phi + alpha; angle += 360.0 / g1.teeth * M_PI / 180.0)
+    {
+	glNormal3f (cos (angle), sin (angle), 0.0);
+	glVertex3f (g2.radius * cos (angle) + g2.position[0] - g1.position[0], g2.radius * sin (angle) + g2.position[1] - g1.position[1], width * 0.5);
+	glVertex3f (g2.radius * cos (angle) + g2.position[0] - g1.position[0], g2.radius * sin (angle) + g2.position[1] - g1.position[1], width * -0.5);
+	glVertex3f (g2.radius * cos (angle + incr) + g2.position[0] - g1.position[0], g2.radius * sin (angle + incr) + g2.position[1] - g1.position[1], width * -0.5);
+	glVertex3f (g2.radius * cos (angle + incr) + g2.position[0] - g1.position[0], g2.radius * sin (angle + incr) + g2.position[1] - g1.position[1], width * 0.5);
+    }
+    glEnd ();
+
+    glBegin (GL_QUADS);
+    glColor3fv (col);
+    glMaterialiv (GL_FRONT, GL_COLOR_INDEXES, indexes);
+    glVertex3f (g1.radius * cos (alpha + phi), g1.radius * sin (alpha + phi), width * 0.5);
+    glVertex3f (g1.radius * cos (alpha + phi), g1.radius * sin (alpha + phi), width * -0.5);
+    glVertex3f (g2.radius * cos (alpha + phi) + g2.position[0] - g1.position[0], g2.radius * sin (alpha + phi) + g2.position[1] - g1.position[1], width * -0.5);
+    glVertex3f (g2.radius * cos (alpha + phi) + g2.position[0] - g1.position[0], g2.radius * sin (alpha + phi) + g2.position[1] - g1.position[1], width * 0.5);
+    glVertex3f (g1.radius * cos (alpha - phi), g1.radius * sin (alpha - phi), width * 0.5);
+    glVertex3f (g1.radius * cos (alpha - phi), g1.radius * sin (alpha - phi), width * -0.5);
+    glVertex3f (g2.radius * cos (alpha - phi) + g2.position[0] - g1.position[0], g2.radius * sin (alpha - phi) + g2.position[1] - g1.position[1], width * -0.5);
+    glVertex3f (g2.radius * cos (alpha - phi) + g2.position[0] - g1.position[0], g2.radius * sin (alpha - phi) + g2.position[1] - g1.position[1], width * 0.5);
+    glEnd ();
+}
+
+
+static int
+axle_find (char axle_name[])
+{
+    int i;
+
+    for (i = 0; i < number_of_axles; i++)
+    {
+	if (!(strcmp (axle_name, a[i].name)))
+           break;
+    }
+    return i;
+}
+
+
+static int
+gear_find (char gear_name[])
+{
+    int i;
+
+    for (i = 0; i < number_of_gears; i++)
+    {
+	if (!(strcmp (gear_name, g[i].name)))
+           break;
+    }
+    return i;
+}
+
+
+static void
+process ()
+{
+    GLfloat x, y, z, D, dist;
+    GLint axle_index, i, j, g1, g2, k;
+    char error[80];
+
+    for (i = 0; i < number_of_gears; i++)
+    {
+	x = 0.0;
+	y = 0.0;
+	z = 0.0;
+	axle_index = axle_find (g[i].axle_name);
+	g[i].axis = a[axle_index].axis;
+	g[i].motored = a[axle_index].motored;
+	if (a[axle_index].motored)
+	{
+	    g[i].direction = a[axle_index].direction;
+	    g[i].angular_velocity = a[axle_index].angular_velocity;
+	}
+	if (g[i].axis == 0)
+           x = 1.0;
+        else if (g[i].axis == 1)
+           y = 1.0;
+        else
+           z = 1.0;
+
+	g[i].position[0] = a[axle_index].position[0] + x * g[i].relative_position;
+	g[i].position[1] = a[axle_index].position[1] + y * g[i].relative_position;
+	g[i].position[2] = a[axle_index].position[2] + z * g[i].relative_position;
+    }
+
+    for (k = 0; k < number_of_axles; k++)
+    {
+	for (i = 0; i < number_of_gears - 1; i++)
+	{
+	    for (j = 0; j < number_of_gears; j++)
+	    {
+		if (!(strcmp (g[i].type, g[j].type)) && (!(strcmp (g[i].type, "NORMAL"))) && ((strcmp (g[i].axle_name, g[j].axle_name) != 0)) && (g[i].axis == g[j].axis))
+		{
+		    D = sqrt (pow (g[i].position[0] - g[j].position[0], 2) + pow (g[i].position[1] - g[j].position[1], 2) + pow (g[i].position[2] - g[j].position[2], 2));
+		    if (D < 1.1 * (g[i].radius - g[i].tooth_depth + g[j].radius - g[j].tooth_depth))
+		    {
+			printf (error, "Gear %s and %s are too close to each other.", g[i].name, g[j].name);
+
+                        /*MessageBox(NULL,error,windowName,MB_ICONEXCLAMATION|MB_OK);*/
+			exit (1);
+		    }
+
+		    if (g[i].axis == 0)
+		    {
+			dist = g[i].position[0] - g[j].position[0];
+		    }
+		    else if (g[i].axis == 1)
+		    {
+			dist = g[i].position[1] - g[j].position[1];
+		    }
+		    else
+                       dist = g[i].position[2] - g[j].position[2];
+
+		    dist = fabs (dist);
+
+		    if (dist < (g[i].width / 2 + g[j].width / 2))
+		    {
+			if ((g[i].motored) && (!(g[j].motored)) && (D < 0.95 * (g[i].radius + g[j].radius)))
+			{
+			    axle_index = axle_find (g[j].axle_name);
+			    if ((a[axle_index].direction != 0) && (g[j].angular_velocity != g[i].angular_velocity * g[i].teeth / g[j].teeth * g[i].radius / g[j].radius))
+			    {
+				printf (error, "Error in tooth linkage of gears %s and %s.", g[i].name, g[j].name);
+                                /*MessageBox(NULL,error,windowName,MB_ICONEXCLAMATION|MB_OK);*/
+				exit (1);
+			    }
+
+			    g[j].motored = (a[axle_index].motored = 1);
+			    g[j].direction = (a[axle_index].direction = -g[i].direction);
+			    a[axle_index].angular_velocity = g[i].angular_velocity * g[i].teeth / g[j].teeth;
+			    g[j].angular_velocity = (a[axle_index].angular_velocity *= g[i].radius / g[j].radius);
+			}
+
+			if ((!(g[i].motored)) && (g[j].motored) && (D < 0.95 * (g[i].radius + g[j].radius)))
+			{
+			    axle_index = axle_find (g[i].axle_name);
+			    if ((a[axle_index].direction != 0) && (g[i].angular_velocity != g[j].angular_velocity * g[j].teeth / g[i].teeth * g[j].radius / g[i].radius))
+			    {
+				printf (error, "Error in tooth linkage of gears %s and %s.", g[i].name, g[j].name);
+                                /*MessageBox(NULL,error,windowName,MB_ICONEXCLAMATION|MB_OK);*/
+				exit (1);
+			    }
+
+			    g[i].motored = (a[axle_index].motored = 1);
+			    g[i].direction = (a[axle_index].direction = -g[j].direction);
+			    a[axle_index].angular_velocity = g[j].angular_velocity * g[j].teeth / g[i].teeth;
+			    g[i].angular_velocity = (a[axle_index].angular_velocity *= g[j].radius / g[i].radius);
+
+			}
+		    }
+		}
+
+		if (!(strcmp (g[i].type, g[j].type)) && (!(strcmp (g[i].type, "BEVEL"))) && ((strcmp (g[i].axle_name, g[j].axle_name) != 0)) && (g[i].axis != g[j].axis))
+		{
+		    D = sqrt (pow (g[i].position[0] - g[j].position[0], 2) + pow (g[i].position[1] - g[j].position[1], 2) + pow (g[i].position[2] - g[j].position[2], 2));
+		    if ((g[i].motored) && (!(g[j].motored)) && (D < 0.95 * sqrt (g[i].radius * g[i].radius + g[j].radius * g[j].radius)))
+		    {
+			axle_index = axle_find (g[j].axle_name);
+			if ((a[axle_index].direction != 0) && (g[j].angular_velocity != g[i].angular_velocity * g[i].teeth / g[j].teeth * g[i].radius / g[j].radius))
+			{
+			    printf (error, "Error in tooth linkage of gears %s and %s.", g[i].name, g[j].name);
+                            /*MessageBox(NULL,error,windowName,MB_ICONEXCLAMATION|MB_OK);*/
+			    exit (1);
+			}
+			g[j].motored = (a[axle_index].motored = 1);
+			g[j].direction = (a[axle_index].direction = -g[i].direction);
+			a[axle_index].angular_velocity = g[i].angular_velocity * g[i].teeth / g[j].teeth;
+			g[j].angular_velocity = (a[axle_index].angular_velocity *= g[i].radius / g[j].radius);
+		    }
+
+
+		    if ((!(g[i].motored)) && (g[j].motored) && (D < 0.95 * sqrt (g[i].radius * g[i].radius + g[j].radius * g[j].radius)))
+		    {
+			axle_index = axle_find (g[i].axle_name);
+			if ((a[axle_index].direction != 0) && (g[i].angular_velocity != g[j].angular_velocity * g[j].teeth / g[i].teeth * g[j].radius / g[i].radius))
+			{
+			    printf (error, "Error in tooth linkage of gears %s and %s.", g[i].name, g[j].name);
+                            /*MessageBox(NULL,error,windowName,MB_ICONEXCLAMATION|MB_OK);*/
+			    exit (1);
+			}
+			g[i].motored = (a[axle_index].motored = 1);
+			g[i].direction = (a[axle_index].direction = -g[j].direction);
+			a[axle_index].angular_velocity = g[j].angular_velocity * g[j].teeth / g[i].teeth;
+			g[i].angular_velocity = (a[axle_index].angular_velocity *= g[j].radius / g[i].radius);
+		    }
+		}
+	    }
+	}
+
+	for (i = 0; i < number_of_gears; i++)
+	{
+	    axle_index = axle_find (g[i].axle_name);
+	    g[i].motored = a[axle_index].motored;
+	    if (a[axle_index].motored)
+	    {
+		g[i].direction = a[axle_index].direction;
+		g[i].angular_velocity = a[axle_index].angular_velocity;
+	    }
+	}
+
+	for (i = 0; i < number_of_belts; i++)
+	{
+	    g1 = gear_find (b[i].gear1_name);
+	    g2 = gear_find (b[i].gear2_name);
+	    D = sqrt (pow (g[g1].position[0] - g[g2].position[0], 2) + pow (g[g1].position[1] - g[g2].position[1], 2) + pow (g[g1].position[2] - g[g2].position[2], 2));
+	    if (!((g[g1].axis == g[g2].axis) && (!strcmp (g[g1].type, g[g2].type)) && (!strcmp (g[g1].type, "NORMAL"))))
+	    {
+		printf (error, "Belt %s invalid.", b[i].name);
+                /*MessageBox(NULL,error,windowName,MB_ICONEXCLAMATION|MB_OK);*/
+		exit (1);
+	    }
+
+	    if ((g[g1].axis == g[g2].axis) && (!strcmp (g[g1].type, g[g2].type)) && (!strcmp (g[g1].type, "NORMAL")))
+	    {
+	      /*
+	         if((g[g1].motored)&&(g[g2].motored))
+	         if(g[g2].angular_velocity!=(g[g1].angular_velocity*g[g1].radius/g[g2].radius))
+	         {
+	         printf(error,"Error in belt linkage of gears %s and %s".,g[g1].name,g[g2].name);
+	         MessageBox(NULL,error,windowName,MB_ICONEXCLAMATION|MB_OK);
+	         exit(1);
+	         }
+              */
+               if (g[g1].axis == 0)
+                  {
+		    dist = g[g1].position[0] - g[g2].position[0];
+		}
+		else if (g[i].axis == 1)
+		{
+		    dist = g[g1].position[1] - g[g2].position[1];
+		}
+		else
+                   dist = g[g1].position[2] - g[g2].position[2];
+
+		dist = fabs (dist);
+
+		if (dist > (g[g1].width / 2 + g[g2].width / 2))
+		{
+		    printf (error, "Belt %s invalid.", b[i].name);
+                    /*MessageBox(NULL,error,windowName,MB_ICONEXCLAMATION|MB_OK);*/
+		    exit (1);
+		}
+
+		if (dist < (g[g1].width / 2 + g[g2].width / 2))
+		{
+		    if (D < g[g1].radius + g[g2].radius)
+		    {
+			printf (error, "Gears %s and %s too close to be linked with belts", g[g1].name, g[g2].name);
+                        /*MessageBox(NULL,error,windowName,MB_ICONEXCLAMATION|MB_OK);*/
+			exit (1);
+		    }
+
+		    if ((g[g1].motored) && (!(g[g2].motored)))
+		    {
+			axle_index = axle_find (g[g2].axle_name);
+			g[g2].motored = (a[axle_index].motored = 1);
+			g[g2].direction = (a[axle_index].direction = g[g1].direction);
+			g[g2].angular_velocity = (a[axle_index].angular_velocity = g[g1].angular_velocity * g[g1].radius / g[g2].radius);
+		    }
+
+		    if ((!(g[g1].motored)) && (g[g2].motored))
+		    {
+			axle_index = axle_find (g[g1].axle_name);
+			g[g1].motored = (a[axle_index].motored = 1);
+			g[g1].direction = (a[axle_index].direction = g[g2].direction);
+			g[g1].angular_velocity = (a[axle_index].angular_velocity = g[g2].angular_velocity * g[g2].radius / g[g1].radius);
+		    }
+		}
+	    }
+	}
+
+	for (i = 0; i < number_of_gears; i++)
+	{
+	    axle_index = axle_find (g[i].axle_name);
+	    g[i].motored = a[axle_index].motored;
+	    if (a[axle_index].motored)
+	    {
+		g[i].direction = a[axle_index].direction;
+		g[i].angular_velocity = a[axle_index].angular_velocity;
+	    }
+	}
+    }
+}
+
+
+
+GLfloat view_rotx = 20.0, view_roty = 30.0, view_rotz = 10.0;
+
+
+static void
+draw (void)
+{
+    int i;
+    GLfloat x, y, z;
+    int index;
+
+    glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+    glPushMatrix ();
+    glRotatef (view_rotx, 1.0, 0.0, 0.0);
+    glRotatef (view_roty, 0.0, 1.0, 0.0);
+    glRotatef (view_rotz, 0.0, 0.0, 1.0);
+
+    for (i = 0; i < number_of_gears; i++)
+    {
+	x = 0.0;
+	y = 0.0;
+	z = 0.0;
+	glPushMatrix ();
+/*glTranslatef( -3.0, -2.0, 0.0 );*/
+	glTranslatef (g[i].position[0], g[i].position[1], g[i].position[2]);
+	if (g[i].axis == 0)
+           y = 1.0;
+        else if (g[i].axis == 1)
+           x = 1.0;
+        else
+           z = 1.0;
+
+	if (z != 1.0)
+           glRotatef (90.0, x, y, z);
+
+	glRotatef (g[i].direction * g[i].angle, 0.0, 0.0, 1.0);
+	glCallList (g[i].id);
+	glPopMatrix ();
+    }
+
+    for (i = 0; i < number_of_axles; i++)
+    {
+	x = 0.0;
+	y = 0.0;
+	z = 0.0;
+	glPushMatrix ();
+	glTranslatef (a[i].position[0], a[i].position[1], a[i].position[2]);
+	if (a[i].axis == 0)
+           y = 1.0;
+        else if (a[i].axis == 1)
+           x = 1.0;
+        else
+           z = 1.0;
+
+	if (z != 1.0)
+           glRotatef (90.0, x, y, z);
+
+	glCallList (a[i].id);
+	glPopMatrix ();
+    }
+
+    for (i = 0; i < number_of_belts; i++)
+    {
+	x = 0.0;
+	y = 0.0;
+	z = 0.0;
+	glPushMatrix ();
+	index = gear_find (b[i].gear1_name);
+	glTranslatef (g[index].position[0], g[index].position[1], g[index].position[2]);
+	if (g[index].axis == 0)
+           y = 1.0;
+        else if (g[index].axis == 1)
+           x = 1.0;
+        else
+           z = 1.0;
+
+	if (z != 1.0)
+           glRotatef (90.0, x, y, z);
+
+	glCallList (b[i].id);
+	glPopMatrix ();
+    }
+
+    glPopMatrix ();
+    glutSwapBuffers ();
+
+    {
+	GLint t = glutGet(GLUT_ELAPSED_TIME);
+	Frames++;
+	if (t - T0 >= 5000) {
+	    GLfloat seconds = (t - T0) / 1000.0;
+	    GLfloat fps = Frames / seconds;
+	    printf("%d frames in %g seconds = %g FPS\n", Frames, seconds, fps);
+	    T0 = t;
+	    Frames = 0;
+	}
+    }
+}
+
+
+static void
+idle (void)
+{
+    int i;
+    static double t0 = -1.;
+    double dt, t = glutGet(GLUT_ELAPSED_TIME) / 1000.0;
+    if (t0 < 0.0)
+       t0 = t;
+    dt = t - t0;
+    t0 = t;
+    for (i = 0; i < number_of_gears; i++)
+      g[i].angle += g[i].angular_velocity * dt;
+    glutPostRedisplay();
+}
+
+
+
+
+/* change view angle, exit upon ESC */
+static void
+key (unsigned char k, int x, int y)
+{
+    switch (k)
+    {
+    case 'x':
+	view_rotx += 5.0;
+        break;
+    case 'X':
+	view_rotx -= 5.0;
+        break;
+    case 'y':
+	view_roty += 5.0;
+        break;
+    case 'Y':
+	view_roty -= 5.0;
+        break;
+    case 'z':
+	view_rotz += 5.0;
+        break;
+    case 'Z':
+	view_rotz -= 5.0;
+        break;
+    case 0x1B:
+	exit(0);
+    }
+}
+
+
+
+
+/* new window size or exposure */
+static void
+reshape (int width, int height)
+{
+    glViewport (0, 0, (GLint) width, (GLint) height);
+    glMatrixMode (GL_PROJECTION);
+    glLoadIdentity ();
+    if (width > height)
+    {
+	GLfloat w = (GLfloat) width / (GLfloat) height;
+	glFrustum (-w, w, -1.0, 1.0, 5.0, 60.0);
+    }
+    else
+    {
+	GLfloat h = (GLfloat) height / (GLfloat) width;
+	glFrustum (-1.0, 1.0, -h, h, 5.0, 60.0);
+    }
+
+    glMatrixMode (GL_MODELVIEW);
+    glLoadIdentity ();
+    glTranslatef (0.0, 0.0, -40.0);
+    glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+}
+
+
+
+static void
+init (void)
+{
+    GLfloat matShine = 20.00F;
+    GLfloat light0Pos[4] =
+    {
+       0.70F, 0.70F, 1.25F, 0.50F
+    };
+    int i;
+
+    glClearColor (background[0], background[1], background[2], 1.0F);
+    glClearIndex ((GLfloat) 0.0);
+
+    glMaterialf (GL_FRONT_AND_BACK, GL_SHININESS, matShine);
+    glLightfv (GL_LIGHT0, GL_POSITION, light0Pos);
+    glEnable (GL_LIGHT0);
+
+    glEnable (GL_LIGHTING);
+    glEnable (GL_DEPTH_TEST);
+    for (i = 0; i < number_of_gears; i++)
+      g[i].angle = 0.0;
+
+    for (i = 0; i < number_of_gears; i++)
+    {
+	g[i].id = glGenLists (1);
+	glNewList (g[i].id, GL_COMPILE);
+	glColor3fv (g[i].color);
+	glMaterialfv (GL_FRONT, GL_SPECULAR, g[i].color);
+	gear (i, g[i].type, g[i].radius, g[i].width, g[i].teeth, g[i].tooth_depth);
+	glEndList ();
+    }
+
+    for (i = 0; i < number_of_axles; i++)
+    {
+	a[i].id = glGenLists (1);
+	glNewList (a[i].id, GL_COMPILE);
+	glColor3fv (a[i].color);
+	glMaterialfv (GL_FRONT, GL_SPECULAR, a[i].color);
+	axle (i, a[i].radius, a[i].length);
+	glEndList ();
+    }
+
+    for (i = 0; i < number_of_belts; i++)
+    {
+	b[i].id = glGenLists (1);
+	glNewList (b[i].id, GL_COMPILE);
+	belt (g[gear_find (b[i].gear1_name)], g[gear_find (b[i].gear2_name)]);
+	glEndList ();
+    }
+
+    glEnable (GL_COLOR_MATERIAL);
+}
+
+
+
+int
+main (int argc, char *argv[])
+{
+    char *file;
+
+    if (argc < 2)
+       file = "geartrain.dat";
+    else
+       file = argv[1];
+
+    glutInitWindowPosition (0, 0);
+    glutInitWindowSize(640,480);
+    glutInitDisplayMode (GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE );
+
+    if (glutCreateWindow ("Gear Train Simulation") == GL_FALSE)
+      exit (1);
+
+    getdata (file);
+    process ();
+    init ();
+
+    glutDisplayFunc (draw);
+    glutReshapeFunc (reshape);
+    glutKeyboardFunc (key);
+    glutIdleFunc (idle);
+    glutMainLoop ();
+    return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/geartrain.dat b/nx-X11/extras/Mesa_6.4.2/progs/demos/geartrain.dat
new file mode 100644
index 000000000..374de48bd
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/geartrain.dat
@@ -0,0 +1,119 @@
+BACKGROUND = 0.000 0.500 0.700

+

+ANAME = AXLE1

+ARADIUS = 1.000

+AAXIS = 2

+APOSITION = -7.000 0.000 0.000

+ACOLOR = 0.800 0.500 0.200

+ALENGTH = 6.000

+AMOTORED = 1

+AANGULARVELOCITY = 90.000

+ADIRECTION = 1

+

+ANAME = AXLE2

+ARADIUS = 1.000

+AAXIS = 2

+APOSITION = -3.000 0.000 0.000

+ACOLOR = 0.800 0.500 0.200

+ALENGTH = 12.000

+AMOTORED = 0

+

+ANAME = AXLE3

+ARADIUS = 1.000

+AAXIS = 2

+APOSITION = 1.000 0.000 0.000

+ACOLOR = 0.800 0.500 0.200

+ALENGTH = 6.000

+AMOTORED = 0

+

+ANAME = AXLE4

+ARADIUS = 1.000

+AAXIS = 2

+APOSITION = 8.000 0.000 0.000

+ACOLOR = 0.800 0.500 0.200

+ALENGTH = 18.000

+AMOTORED = 0

+

+ANAME = AXLE5

+ARADIUS = 1.000

+AAXIS = 1

+APOSITION = 8.000 -8.200 -7.400

+ACOLOR = 0.800 0.500 0.200

+ALENGTH = 12.000

+AMOTORED = 0

+

+GNAME = GEAR1

+GTYPE = NORMAL

+GRADIUS = 2.200

+GWIDTH = 3.000

+GTEETH = 40

+GTOOTHDEPTH = 0.500

+GCOLOR = 0.500 0.500 0.500

+GAXLE = AXLE1

+GPOSITION = 0.000

+

+GNAME = GEAR2

+GTYPE = NORMAL

+GRADIUS = 2.200

+GWIDTH = 3.000

+GTEETH = 30

+GTOOTHDEPTH = 0.500

+GCOLOR = 0.500 0.500 0.500

+GAXLE = AXLE2

+GPOSITION = 0.000

+

+GNAME = GEAR3

+GTYPE = NORMAL

+GRADIUS = 2.200

+GWIDTH = 3.000

+GTEETH = 20

+GTOOTHDEPTH = 0.500

+GCOLOR = 0.500 0.500 0.500

+GAXLE = AXLE3

+GPOSITION = 0.000

+

+GNAME = GEAR4

+GTYPE = NORMAL

+GRADIUS = 1.700

+GWIDTH = 1.000

+GTEETH = 20

+GTOOTHDEPTH = 0.500

+GCOLOR = 0.500 0.500 0.500

+GAXLE = AXLE2

+GPOSITION = 5.000

+

+GNAME = GEAR5

+GTYPE = NORMAL

+GRADIUS = 3.000

+GWIDTH = 1.000

+GTEETH = 20

+GTOOTHDEPTH = 0.500

+GCOLOR = 0.500 0.500 0.500

+GAXLE = AXLE4

+GPOSITION = 5.000

+

+GNAME = GEAR6

+GTYPE = BEVEL

+GFACE = 0

+GRADIUS = 4.000

+GWIDTH = 1.000

+GTEETH = 20

+GTOOTHDEPTH = 1.700

+GCOLOR = 0.500 0.500 0.500

+GAXLE = AXLE4

+GPOSITION = -4.000

+

+GNAME = GEAR7

+GTYPE = BEVEL

+GFACE = 0

+GRADIUS = 4.000

+GWIDTH = 1.000

+GTEETH = 20

+GTOOTHDEPTH = 1.700

+GCOLOR = 0.500 0.500 0.500

+GAXLE = AXLE5

+GPOSITION = 5.000

+

+BELTNAME = BELT1

+GEAR1NAME = GEAR5

+GEAR2NAME = GEAR4

diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/glinfo.c b/nx-X11/extras/Mesa_6.4.2/progs/demos/glinfo.c
new file mode 100644
index 000000000..a6a747828
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/glinfo.c
@@ -0,0 +1,32 @@
+
+/*
+ * Print GL, GLU and GLUT version and extension info
+ *
+ * Brian Paul  This file in public domain.
+ * October 3, 1997
+ */
+
+
+#include <stdio.h>
+#include <GL/glut.h>
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitDisplayMode( GLUT_RGB );
+   glutCreateWindow(argv[0]);
+
+   printf("GL_VERSION: %s\n", (char *) glGetString(GL_VERSION));
+   printf("GL_EXTENSIONS: %s\n", (char *) glGetString(GL_EXTENSIONS));
+   printf("GL_RENDERER: %s\n", (char *) glGetString(GL_RENDERER));
+   printf("GL_VENDOR: %s\n", (char *) glGetString(GL_VENDOR));
+   printf("GLU_VERSION: %s\n", (char *) gluGetString(GLU_VERSION));
+   printf("GLU_EXTENSIONS: %s\n", (char *) gluGetString(GLU_EXTENSIONS));
+   printf("GLUT_API_VERSION: %d\n", GLUT_API_VERSION);
+#ifdef GLUT_XLIB_IMPLEMENTATION
+   printf("GLUT_XLIB_IMPLEMENTATION: %d\n", GLUT_XLIB_IMPLEMENTATION);
+#endif
+
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/gloss.c b/nx-X11/extras/Mesa_6.4.2/progs/demos/gloss.c
new file mode 100644
index 000000000..4e7adc8d4
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/gloss.c
@@ -0,0 +1,435 @@
+
+/*
+ * Specular reflection demo.  The specular highlight is modulated by
+ * a sphere-mapped texture.  The result is a high-gloss surface.
+ * NOTE: you really need hardware acceleration for this.
+ * Also note, this technique can't be implemented with multi-texture
+ * and separate specular color interpolation because there's no way
+ * to indicate that the second texture unit (the reflection map)
+ * should modulate the specular color and not the base color.
+ * A future multi-texture extension could fix that.
+ *
+ * Command line options:
+ *    -info      print GL implementation information
+ *
+ *
+ * Brian Paul  October 22, 1999  This program is in the public domain.
+ */
+
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <string.h>
+#include <GL/glut.h>
+
+#include "readtex.h"
+
+#define SPECULAR_TEXTURE_FILE "../images/reflect.rgb"
+#define BASE_TEXTURE_FILE "../images/tile.rgb"
+
+/* Menu items */
+#define DO_SPEC_TEXTURE 1
+#define OBJECT 2
+#define ANIMATE 3
+#define QUIT 100
+
+/* for convolution */
+#define FILTER_SIZE 7
+
+static GLuint CylinderObj = 0;
+static GLuint TeapotObj = 0;
+static GLuint Object = 0;
+static GLboolean Animate = GL_TRUE;
+
+static GLfloat Xrot = 0.0, Yrot = 0.0, Zrot = 0.0;
+static GLfloat DXrot = 20.0, DYrot = 50.;
+
+static GLfloat Black[4] = { 0, 0, 0, 0 };
+static GLfloat White[4] = { 1, 1, 1, 1 };
+static GLfloat Diffuse[4] = { .3, .3, 1.0, 1.0 };  /* blue */
+static GLfloat Shininess = 6;
+
+static GLuint BaseTexture, SpecularTexture;
+static GLboolean DoSpecTexture = GL_TRUE;
+
+/* performance info */
+static GLint T0 = 0;
+static GLint Frames = 0;
+
+
+static void Idle( void )
+{
+   static double t0 = -1.;
+   double dt, t = glutGet(GLUT_ELAPSED_TIME) / 1000.0;
+   if (t0 < 0.0)
+      t0 = t;
+   dt = t - t0;
+   t0 = t;
+
+   if (Animate) {
+      Xrot += DXrot*dt;
+      Yrot += DYrot*dt;
+      glutPostRedisplay();
+   }
+}
+
+
+static void Display( void )
+{
+   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+   glPushMatrix();
+   glRotatef(Xrot, 1.0, 0.0, 0.0);
+   glRotatef(Yrot, 0.0, 1.0, 0.0);
+   glRotatef(Zrot, 0.0, 0.0, 1.0);
+
+   /* First pass: diffuse lighting with base texture */
+   glMaterialfv(GL_FRONT, GL_DIFFUSE, Diffuse);
+   glMaterialfv(GL_FRONT, GL_SPECULAR, Black);
+   glEnable(GL_TEXTURE_2D);
+   glBindTexture(GL_TEXTURE_2D, BaseTexture);
+   glCallList(Object);
+
+   /* Second pass: specular lighting with reflection texture */
+   glEnable(GL_POLYGON_OFFSET_FILL);
+   glBlendFunc(GL_ONE, GL_ONE);  /* add */
+   glEnable(GL_BLEND);
+   glMaterialfv(GL_FRONT, GL_DIFFUSE, Black);
+   glMaterialfv(GL_FRONT, GL_SPECULAR, White);
+   if (DoSpecTexture) {
+      glBindTexture(GL_TEXTURE_2D, SpecularTexture);
+      glEnable(GL_TEXTURE_GEN_S);
+      glEnable(GL_TEXTURE_GEN_T);
+   }
+   else {
+      glDisable(GL_TEXTURE_2D);
+   }
+   glCallList(Object);
+   glDisable(GL_TEXTURE_GEN_S);
+   glDisable(GL_TEXTURE_GEN_T);
+   glDisable(GL_BLEND);
+   glDisable(GL_POLYGON_OFFSET_FILL);
+
+   glPopMatrix();
+
+   glutSwapBuffers();
+
+   if (Animate) {
+      GLint t = glutGet(GLUT_ELAPSED_TIME);
+      Frames++;
+      if (t - T0 >= 5000) {
+         GLfloat seconds = (t - T0) / 1000.0;
+         GLfloat fps = Frames / seconds;
+         printf("%d frames in %g seconds = %g FPS\n", Frames, seconds, fps);
+         T0 = t;
+         Frames = 0;
+      }
+   }
+}
+
+
+static void Reshape( int width, int height )
+{
+   GLfloat h = 30.0;
+   GLfloat w = h * width / height;
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glFrustum( -w, w, -h, h, 150.0, 500.0 );
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   glTranslatef( 0.0, 0.0, -380.0 );
+}
+
+
+static void ToggleAnimate(void)
+{
+   Animate = !Animate;
+   if (Animate) {
+      glutIdleFunc( Idle );
+      T0 = glutGet(GLUT_ELAPSED_TIME);
+      Frames = 0;
+   }
+   else {
+      glutIdleFunc( NULL );
+   }
+}
+
+
+static void ModeMenu(int entry)
+{
+   if (entry==ANIMATE) {
+      ToggleAnimate();
+   }
+   else if (entry==DO_SPEC_TEXTURE) {
+      DoSpecTexture = !DoSpecTexture;
+   }
+   else if (entry==OBJECT) {
+      if (Object == TeapotObj)
+         Object = CylinderObj;
+      else
+         Object = TeapotObj;
+   }
+   else if (entry==QUIT) {
+      exit(0);
+   }
+   glutPostRedisplay();
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 's':
+         Shininess--;
+         if (Shininess < 0.0)
+            Shininess = 0.0;
+         glMaterialf(GL_FRONT, GL_SHININESS, Shininess);
+         printf("Shininess = %g\n", Shininess);
+         break;
+      case 'S':
+         Shininess++;
+         if (Shininess > 128.0)
+            Shininess = 128.0;
+         glMaterialf(GL_FRONT, GL_SHININESS, Shininess);
+         printf("Shininess = %g\n", Shininess);
+         break;
+      case ' ':
+         ToggleAnimate();
+         break;
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void SpecialKey( int key, int x, int y )
+{
+   float step = 3.0;
+   (void) x;
+   (void) y;
+
+   switch (key) {
+      case GLUT_KEY_UP:
+         Xrot += step;
+         break;
+      case GLUT_KEY_DOWN:
+         Xrot -= step;
+         break;
+      case GLUT_KEY_LEFT:
+         Yrot += step;
+         break;
+      case GLUT_KEY_RIGHT:
+         Yrot -= step;
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void Init( int argc, char *argv[] )
+{
+   GLboolean convolve = GL_FALSE;
+   int i;
+
+   for (i = 1; i < argc; i++) {
+      if (strcmp(argv[i], "-info")==0) {
+         printf("GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+         printf("GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+         printf("GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+         printf("GL_EXTENSIONS = %s\n", (char *) glGetString(GL_EXTENSIONS));
+      }
+      else if (strcmp(argv[i], "-c")==0) {
+         convolve = GL_TRUE;
+      }
+   }
+
+
+   /* Cylinder object */
+   {
+      static GLfloat height = 100.0;
+      static GLfloat radius = 40.0;
+      static GLint slices = 24;  /* pie slices around Z axis */
+      static GLint stacks = 10;  /* subdivisions along length of cylinder */
+      static GLint rings = 4;    /* rings in the end disks */
+      GLUquadricObj *q = gluNewQuadric();
+      assert(q);
+      gluQuadricTexture(q, GL_TRUE);
+
+      CylinderObj = glGenLists(1);
+      glNewList(CylinderObj, GL_COMPILE);
+
+      glPushMatrix();
+      glTranslatef(0.0, 0.0, -0.5 * height);
+
+      glMatrixMode(GL_TEXTURE);
+      glLoadIdentity();
+      /*glScalef(8.0, 4.0, 2.0);*/
+      glMatrixMode(GL_MODELVIEW);
+
+      /* cylinder */
+      gluQuadricNormals(q, GL_SMOOTH);
+      gluQuadricTexture(q, GL_TRUE);
+      gluCylinder(q, radius, radius, height, slices, stacks);
+
+      /* end cap */
+      glMatrixMode(GL_TEXTURE);
+      glLoadIdentity();
+      glScalef(3.0, 3.0, 1.0);
+      glMatrixMode(GL_MODELVIEW);
+
+      glTranslatef(0.0, 0.0, height);
+      gluDisk(q, 0.0, radius, slices, rings);
+
+      /* other end cap */
+      glTranslatef(0.0, 0.0, -height);
+      gluQuadricOrientation(q, GLU_INSIDE);
+      gluDisk(q, 0.0, radius, slices, rings);
+
+      glPopMatrix();
+
+      glMatrixMode(GL_TEXTURE);
+      glLoadIdentity();
+      glMatrixMode(GL_MODELVIEW);
+
+      glEndList();
+      gluDeleteQuadric(q);
+   }
+
+   /* Teapot */
+   {
+      TeapotObj = glGenLists(1);
+      glNewList(TeapotObj, GL_COMPILE);
+
+      glFrontFace(GL_CW);
+      glutSolidTeapot(40.0);
+      glFrontFace(GL_CCW);
+
+      glEndList();
+   }
+
+   /* show cylinder by default */
+   Object = CylinderObj;
+
+
+   /* lighting */
+   glEnable(GL_LIGHTING);
+   {
+      GLfloat pos[4] = { 3, 3, 3, 1 };
+      glLightfv(GL_LIGHT0, GL_AMBIENT, Black);
+      glLightfv(GL_LIGHT0, GL_DIFFUSE, White);
+      glLightfv(GL_LIGHT0, GL_SPECULAR, White);
+      glLightfv(GL_LIGHT0, GL_POSITION, pos);
+      glEnable(GL_LIGHT0);
+      glMaterialfv(GL_FRONT, GL_AMBIENT, Black);
+      glMaterialf(GL_FRONT, GL_SHININESS, Shininess);
+      glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER, 1);
+   }
+
+   /* Base texture */
+   glGenTextures(1, &BaseTexture);
+   glBindTexture(GL_TEXTURE_2D, BaseTexture);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+   if (!LoadRGBMipmaps(BASE_TEXTURE_FILE, GL_RGB)) {
+      printf("Error: couldn't load texture image file %s\n", BASE_TEXTURE_FILE);
+      exit(1);
+   }
+
+   /* Specular texture */
+   glGenTextures(1, &SpecularTexture);
+   glBindTexture(GL_TEXTURE_2D, SpecularTexture);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+   glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);
+   glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);
+   if (convolve) {
+      /* use convolution to blur the texture to simulate a dull finish
+       * on the object.
+       */
+      GLubyte *img;
+      GLenum format;
+      GLint w, h;
+      GLfloat filter[FILTER_SIZE][FILTER_SIZE][4];
+
+      for (h = 0; h < FILTER_SIZE; h++) {
+         for (w = 0; w < FILTER_SIZE; w++) {
+            const GLfloat k = 1.0 / (FILTER_SIZE * FILTER_SIZE);
+            filter[h][w][0] = k;
+            filter[h][w][1] = k;
+            filter[h][w][2] = k;
+            filter[h][w][3] = k;
+         }
+      }
+
+      glEnable(GL_CONVOLUTION_2D);
+      glConvolutionParameteri(GL_CONVOLUTION_2D,
+                              GL_CONVOLUTION_BORDER_MODE, GL_CONSTANT_BORDER);
+      glConvolutionFilter2D(GL_CONVOLUTION_2D, GL_RGBA,
+                            FILTER_SIZE, FILTER_SIZE,
+                            GL_RGBA, GL_FLOAT, filter);
+
+      img = LoadRGBImage(SPECULAR_TEXTURE_FILE, &w, &h, &format);
+      if (!img) {
+         printf("Error: couldn't load texture image file %s\n",
+                SPECULAR_TEXTURE_FILE);
+         exit(1);
+      }
+
+      glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, w, h, 0,
+                   format, GL_UNSIGNED_BYTE, img);
+      free(img);
+   }
+   else {
+      /* regular path */
+      if (!LoadRGBMipmaps(SPECULAR_TEXTURE_FILE, GL_RGB)) {
+         printf("Error: couldn't load texture image file %s\n",
+                SPECULAR_TEXTURE_FILE);
+         exit(1);
+      }
+   }
+
+   /* misc */
+   glEnable(GL_CULL_FACE);
+   glEnable(GL_TEXTURE_2D);
+   glEnable(GL_DEPTH_TEST);
+   glEnable(GL_NORMALIZE);
+
+   glPolygonOffset( -1, -1 );
+}
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowPosition(0, 0);
+   glutInitWindowSize( 500, 500 );
+
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
+
+   glutCreateWindow(argv[0] );
+
+   Init(argc, argv);
+
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutSpecialFunc( SpecialKey );
+   glutDisplayFunc( Display );
+   glutIdleFunc( Idle );
+
+   glutCreateMenu(ModeMenu);
+   glutAddMenuEntry("Toggle Highlight", DO_SPEC_TEXTURE);
+   glutAddMenuEntry("Toggle Object", OBJECT);
+   glutAddMenuEntry("Toggle Animate", ANIMATE);
+   glutAddMenuEntry("Quit", QUIT);
+   glutAttachMenu(GLUT_RIGHT_BUTTON);
+
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/gltestperf.c b/nx-X11/extras/Mesa_6.4.2/progs/demos/gltestperf.c
new file mode 100644
index 000000000..be9539010
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/gltestperf.c
@@ -0,0 +1,580 @@
+/*
+ * This program is under the GNU GPL.
+ * Use at your own risk.
+ *
+ * written by David Bucciarelli (tech.hmw@plus.it)
+ *            Humanware s.r.l.
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <math.h>
+#include <GL/glut.h>
+
+typedef struct
+{
+   char *name;
+   char *unit;
+   void (*init) (void);
+   int (*run) (int, int);
+   int type;
+   int numsize;
+   int size[10];
+}
+benchmark;
+
+static int frontbuffer = 1;
+
+/***************************************************************************/
+
+static void
+init_test01(void)
+{
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   gluOrtho2D(-0.5, 639.5, -0.5, 479.5);
+   glMatrixMode(GL_MODELVIEW);
+
+   glShadeModel(GL_FLAT);
+   glDisable(GL_DEPTH_TEST);
+
+   glClearColor(0.0, 0.1, 1.0, 0.0);
+   glClear(GL_COLOR_BUFFER_BIT);
+   glColor3f(1.0, 0.0, 0.0);
+}
+
+static int
+test01(int size, int num)
+{
+   int x, y;
+
+   glBegin(GL_POINTS);
+   for (y = 0; y < num; y++)
+      for (x = 0; x < 480; x++)
+	 glVertex2i(x, x);
+   glEnd();
+
+   return 480 * num;
+}
+
+/***************************************************************************/
+
+static void
+init_test02(void)
+{
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   gluOrtho2D(-0.5, 639.5, -0.5, 479.5);
+   glMatrixMode(GL_MODELVIEW);
+
+   glShadeModel(GL_SMOOTH);
+   glDisable(GL_DEPTH_TEST);
+
+   glClearColor(0.0, 0.1, 1.0, 0.0);
+   glClear(GL_COLOR_BUFFER_BIT);
+}
+
+static int
+test02(int size, int num)
+{
+   int x, y;
+
+   glBegin(GL_LINES);
+   for (y = 0; y < num; y++)
+      for (x = 0; x < size; x++) {
+	 glColor3f(0.0, 1.0, y / (float) num);
+	 glVertex2i(0, size - 1);
+	 glColor3f(1.0, 0.0, x / (float) size);
+	 glVertex2i(x, x);
+      }
+   glEnd();
+
+   return num * size;
+}
+
+/***************************************************************************/
+
+static void
+init_test03(void)
+{
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glOrtho(-0.5, 639.5, -0.5, 479.5, 1.0, -1000.0 * 480.0);
+   glMatrixMode(GL_MODELVIEW);
+
+   glShadeModel(GL_SMOOTH);
+   glEnable(GL_DEPTH_TEST);
+
+   glClearColor(0.0, 0.1, 1.0, 0.0);
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+}
+
+static int
+test03(int size, int num)
+{
+   int x, y, z;
+
+   glBegin(GL_TRIANGLES);
+   for (y = 0; y < num; y++)
+      for (x = 0; x < size; x += 5) {
+	 z = num * size - (y * size + x);
+	 glColor3f(0.0, 1.0, 0.0);
+	 glVertex3i(0, x, z);
+
+	 glColor3f(1.0, 0.0, x / (float) size);
+	 glVertex3i(size - 1 - x, 0, z);
+
+	 glColor3f(1.0, x / (float) size, 0.0);
+	 glVertex3i(x, size - 1 - x, z);
+      }
+   glEnd();
+
+   return size * num / 5;
+}
+
+/***************************************************************************/
+
+static void
+init_test04(void)
+{
+   int x, y;
+   GLubyte tex[128 * 128 * 3];
+   GLenum gluerr;
+
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glOrtho(-0.5, 639.5, -0.5, 479.5, 1.0, -1000.0 * 480.0);
+
+   glMatrixMode(GL_MODELVIEW);
+
+   glShadeModel(GL_SMOOTH);
+   glEnable(GL_DEPTH_TEST);
+
+   glEnable(GL_BLEND);
+   glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+
+   for (y = 0; y < 128; y++)
+      for (x = 0; x < 128; x++) {
+	 tex[(x + y * 128) * 3 + 0] = ((x % (128 / 4)) < (128 / 8)) ? 255 : 0;
+	 tex[(x + y * 128) * 3 + 1] = ((y % (128 / 4)) < (128 / 8)) ? 255 : 0;
+	 tex[(x + y * 128) * 3 + 2] = x;
+      }
+
+   glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+   if ((gluerr = gluBuild2DMipmaps(GL_TEXTURE_2D, 3, 128, 128, GL_RGB,
+				   GL_UNSIGNED_BYTE, (GLvoid *) (&tex[0])))) {
+      fprintf(stderr, "GLULib%s\n", (char *) gluErrorString(gluerr));
+      exit(-1);
+   }
+
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
+		   GL_LINEAR_MIPMAP_NEAREST);
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+
+   glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+   glEnable(GL_TEXTURE_2D);
+
+   glClearColor(0.0, 0.1, 1.0, 0.0);
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+}
+
+static int
+test04(int size, int num)
+{
+   int x, y, z;
+
+   glBegin(GL_TRIANGLES);
+   for (y = 0; y < num; y++)
+      for (x = 0; x < size; x += 5) {
+	 z = num * size - (y * size + x);
+	 glTexCoord2f(1.0, 1.0);
+	 glColor3f(1.0, 0.0, 0.0);
+	 glVertex3i(0, x, z);
+
+	 glTexCoord2f(0.0, 1.0);
+	 glColor3f(0.0, 1.0, 0.0);
+	 glVertex3i(size - 1 - x, 0, z);
+
+	 glTexCoord2f(1.0, 0.0);
+	 glColor3f(0.0, 0.0, 1.0);
+	 glVertex3i(x, size - 1 - x, z);
+      }
+   glEnd();
+
+   return num * size / 5;
+}
+
+/***************************************************************************/
+
+static void
+init_test05(void)
+{
+   int x, y;
+   GLubyte tex[128 * 128 * 3];
+   GLenum gluerr;
+
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glOrtho(-0.5, 639.5, -0.5, 479.5, -1.0, 1.0);
+
+   glMatrixMode(GL_MODELVIEW);
+
+   glShadeModel(GL_SMOOTH);
+   glEnable(GL_DEPTH_TEST);
+
+   glEnable(GL_BLEND);
+   glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+
+   for (y = 0; y < 128; y++)
+      for (x = 0; x < 128; x++) {
+	 tex[(x + y * 128) * 3 + 0] = ((x % (128 / 4)) < (128 / 8)) ? 255 : 0;
+	 tex[(x + y * 128) * 3 + 1] = ((y % (128 / 4)) < (128 / 8)) ? 255 : 0;
+	 tex[(x + y * 128) * 3 + 2] = x;
+      }
+
+   glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+   if ((gluerr = gluBuild2DMipmaps(GL_TEXTURE_2D, 3, 128, 128, GL_RGB,
+				   GL_UNSIGNED_BYTE, (GLvoid *) (&tex[0])))) {
+      fprintf(stderr, "GLULib%s\n", (char *) gluErrorString(gluerr));
+      exit(-1);
+   }
+
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
+		   GL_LINEAR_MIPMAP_NEAREST);
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+
+   glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+   glEnable(GL_TEXTURE_2D);
+
+   glDepthFunc(GL_ALWAYS);
+
+   glClearColor(0.0, 0.1, 1.0, 0.0);
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+}
+
+static int
+test05(int size, int num)
+{
+   int y;
+   float v0[3], v1[3], v2[3], v3[3];
+   float cv0[3], cv1[3], cv2[3], cv3[3];
+   float tv0[3], tv1[3], tv2[3], tv3[3];
+
+   v0[0] = 320 - size / 2;
+   v0[1] = 240 - size / 2;
+   v0[2] = 0.0;
+   v1[0] = 320 + size / 2;
+   v1[1] = 240 - size / 2;
+   v1[2] = 0.0;
+   v2[0] = 320 - size / 2;
+   v2[1] = 240 + size / 2;
+   v2[2] = 0.0;
+   v3[0] = 320 + size / 2;
+   v3[1] = 240 + size / 2;
+   v3[2] = 0.0;
+   cv0[0] = 1.0;
+   cv0[1] = 0.0;
+   cv0[2] = 0.0;
+   cv1[0] = 1.0;
+   cv1[1] = 1.0;
+   cv1[2] = 0.0;
+   cv2[0] = 1.0;
+   cv2[1] = 0.0;
+   cv2[2] = 1.0;
+   cv3[0] = 1.0;
+   cv3[1] = 1.0;
+   cv3[2] = 1.0;
+   tv0[0] = 0.0;
+   tv0[1] = 0.0;
+   tv0[2] = 0.0;
+   tv1[0] = 1.0;
+   tv1[1] = 0.0;
+   tv1[2] = 0.0;
+   tv2[0] = 0.0;
+   tv2[1] = 1.0;
+   tv2[2] = 0.0;
+   tv3[0] = 1.0;
+   tv3[1] = 1.0;
+   tv3[2] = 0.0;
+
+   glBegin(GL_TRIANGLE_STRIP);
+   for (y = 0; y < num; y++) {
+      glColor3fv(cv0);
+      glTexCoord2fv(tv0);
+      glVertex3fv(v0);
+
+      glColor3fv(cv1);
+      glTexCoord2fv(tv1);
+      glVertex3fv(v1);
+
+      glColor3fv(cv2);
+      glTexCoord2fv(tv2);
+      glVertex3fv(v2);
+
+      glColor3fv(cv3);
+      glTexCoord2fv(tv3);
+      glVertex3fv(v3);
+   }
+   glEnd();
+
+   return 4 * num - 2;
+}
+
+/***************************************************************************/
+
+static void
+init_test06(void)
+{
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   gluOrtho2D(-0.5, 639.5, -0.5, 479.5);
+   glMatrixMode(GL_MODELVIEW);
+
+   glShadeModel(GL_SMOOTH);
+   glEnable(GL_DEPTH_TEST);
+
+   glClearColor(0.0, 0.1, 1.0, 0.0);
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+}
+
+static int
+test06(int size, int num)
+{
+   int y;
+
+   for (y = 0; y < num; y++) {
+      glClearColor(y / (float) num, 0.1, 1.0, 0.0);
+      glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+   }
+
+   return num;
+}
+
+/***************************************************************************/
+
+#define BMARKS_TIME 5.0
+
+#define NUM_BMARKS 6
+
+/* 554 ~= sqrt(640*480) */
+
+static benchmark bmarks[NUM_BMARKS] = {
+   {"Simple Points", "Pnts", init_test01, test01, 0, 0,
+    {0, 0, 0, 0, 0, 0, 0, 0, 0, 0}},
+   {"Smooth Lines", "Lins", init_test02, test02, 1, 5,
+    {480, 250, 100, 50, 25, 0, 0, 0, 0, 0}},
+   {"ZSmooth Triangles", "Tris", init_test03, test03, 1, 5,
+    {480, 250, 100, 50, 25, 0, 0, 0, 0, 0}},
+   {"ZSmooth Tex Blend Triangles", "Tris", init_test04, test04, 1, 5,
+    {480, 250, 100, 50, 25, 0, 0, 0, 0, 0}},
+   {"ZSmooth Tex Blend TMesh Triangles", "Tris", init_test05, test05, 2, 8,
+    {400, 250, 100, 50, 25, 10, 5, 2, 0, 0}},
+   {"Color/Depth Buffer Clears", "Clrs", init_test06, test06, 3, 0,
+    {554, 0, 0, 0, 0, 0, 0, 0, 0, 0}}
+};
+
+/***************************************************************************/
+
+static void
+dotest0param(benchmark * bmark)
+{
+   float stime, etime, dtime, tottime, maxtime, mintime;
+   int num, numelem, calibnum, j;
+
+   glPushAttrib(GL_ALL_ATTRIB_BITS);
+   bmark->init();
+
+   stime = glutGet(GLUT_ELAPSED_TIME);
+
+   dtime = 0.0;
+   calibnum = 0;
+   while (dtime < 2.0) {
+      bmark->run(0, 1);
+      glFinish();
+      etime = glutGet(GLUT_ELAPSED_TIME);
+      dtime = (etime - stime) / 1000.0;
+      calibnum++;
+   }
+   glPopAttrib();
+
+   fprintf(stderr, "Elapsed time for the calibration test (%d): %f\n",
+	   calibnum, dtime);
+
+   num = (int) ((BMARKS_TIME / dtime) * calibnum);
+
+   if (num < 1)
+      num = 1;
+
+   fprintf(stderr, "Selected number of benchmark iterations: %d\n", num);
+
+   mintime = HUGE_VAL;
+   maxtime = -HUGE_VAL;
+
+   for (tottime = 0.0, j = 0; j < 5; j++) {
+      glPushAttrib(GL_ALL_ATTRIB_BITS);
+      bmark->init();
+
+      stime = glutGet(GLUT_ELAPSED_TIME);
+      numelem = bmark->run(0, num);
+      glFinish();
+      etime = glutGet(GLUT_ELAPSED_TIME);
+
+      glPopAttrib();
+
+      dtime = (etime - stime) / 1000.0;
+      tottime += dtime;
+
+      fprintf(stderr, "Elapsed time for run %d: %f\n", j, dtime);
+
+      if (dtime < mintime)
+	 mintime = dtime;
+      if (dtime > maxtime)
+	 maxtime = dtime;
+   }
+
+   tottime -= mintime + maxtime;
+
+   fprintf(stdout, "%s\n%f %s/sec", bmark->name, numelem / (tottime / 3.0),
+	   bmark->unit);
+
+   if (bmark->type == 3)
+      fprintf(stdout, ", MPixel Fill/sec: %f\n\n",
+	      (numelem * bmark->size[0] * (float) bmark->size[0]) /
+	      (1000000.0 * tottime / 3.0));
+   else
+      fprintf(stdout, "\n\n");
+}
+
+/***************************************************************************/
+
+static void
+dotest1param(benchmark * bmark)
+{
+   float stime, etime, dtime, tottime, maxtime, mintime;
+   int num, numelem, calibnum, j, k;
+
+   fprintf(stdout, "%s\n", bmark->name);
+
+   for (j = 0; j < bmark->numsize; j++) {
+      fprintf(stderr, "Current size: %d\n", bmark->size[j]);
+
+      glPushAttrib(GL_ALL_ATTRIB_BITS);
+      bmark->init();
+
+      stime = glutGet(GLUT_ELAPSED_TIME);
+
+      dtime = 0.0;
+      calibnum = 0;
+      while (dtime < 2.0) {
+	 bmark->run(bmark->size[j], 1);
+	 glFinish();
+	 etime = glutGet(GLUT_ELAPSED_TIME);
+	 dtime = (etime - stime) / 1000.0;
+	 calibnum++;
+      }
+      glPopAttrib();
+
+      fprintf(stderr, "Elapsed time for the calibration test (%d): %f\n",
+	      calibnum, dtime);
+
+      num = (int) ((BMARKS_TIME / dtime) * calibnum);
+
+      if (num < 1)
+	 num = 1;
+
+      fprintf(stderr, "Selected number of benchmark iterations: %d\n", num);
+
+      mintime = HUGE_VAL;
+      maxtime = -HUGE_VAL;
+
+      for (numelem = 1, tottime = 0.0, k = 0; k < 5; k++) {
+	 glPushAttrib(GL_ALL_ATTRIB_BITS);
+	 bmark->init();
+
+	 stime = glutGet(GLUT_ELAPSED_TIME);
+	 numelem = bmark->run(bmark->size[j], num);
+	 glFinish();
+	 etime = glutGet(GLUT_ELAPSED_TIME);
+
+	 glPopAttrib();
+
+	 dtime = (etime - stime) / 1000.0;
+	 tottime += dtime;
+
+	 fprintf(stderr, "Elapsed time for run %d: %f\n", k, dtime);
+
+	 if (dtime < mintime)
+	    mintime = dtime;
+	 if (dtime > maxtime)
+	    maxtime = dtime;
+      }
+
+      tottime -= mintime + maxtime;
+
+      fprintf(stdout, "SIZE=%03d => %f %s/sec", bmark->size[j],
+	      numelem / (tottime / 3.0), bmark->unit);
+      if (bmark->type == 2)
+	 fprintf(stdout, ", MPixel Fill/sec: %f\n",
+		 (numelem * bmark->size[j] * bmark->size[j] / 2) /
+		 (1000000.0 * tottime / 3.0));
+      else
+	 fprintf(stdout, "\n");
+   }
+
+   fprintf(stdout, "\n\n");
+}
+
+/***************************************************************************/
+
+static void
+display(void)
+{
+   int i;
+
+   if (frontbuffer)
+      glDrawBuffer(GL_FRONT);
+   else
+      glDrawBuffer(GL_BACK);
+
+   for (i = 0; i < NUM_BMARKS; i++) {
+      fprintf(stderr, "Benchmark: %d\n", i);
+
+      switch (bmarks[i].type) {
+      case 0:
+      case 3:
+	 dotest0param(&bmarks[i]);
+	 break;
+      case 1:
+      case 2:
+	 dotest1param(&bmarks[i]);
+	 break;
+      }
+   }
+
+   exit(0);
+}
+
+int
+main(int ac, char **av)
+{
+   fprintf(stderr, "GLTest v1.0\nWritten by David Bucciarelli\n");
+
+   if (ac == 2)
+      frontbuffer = 0;
+
+   glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH);
+   glutInitWindowPosition(0, 0);
+   glutInitWindowSize(640, 480);
+   glutCreateWindow("OpenGL/Mesa Performances");
+   glutDisplayFunc(display);
+   glutMainLoop();
+
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/glutfx.c b/nx-X11/extras/Mesa_6.4.2/progs/demos/glutfx.c
new file mode 100644
index 000000000..8bf558238
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/glutfx.c
@@ -0,0 +1,189 @@
+
+/*
+ * Example of how one might use GLUT with the 3Dfx driver in full-screen mode.
+ * Note: this only works with X since we're using Mesa's GLX "hack" for
+ * using Glide.
+ *
+ * Goals:
+ *   easy setup and input event handling with GLUT
+ *   use 3Dfx hardware
+ *   automatically set MESA environment variables
+ *   don't lose mouse input focus
+ *
+ * Brian Paul   This file is in the public domain.
+ */
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <GL/glut.h>
+
+
+#define WIDTH 640
+#define HEIGHT 480
+
+
+static int Window = 0;
+static int ScreenWidth, ScreenHeight;
+static GLuint Torus = 0;
+static GLfloat Xrot = 0.0, Yrot = 0.0;
+
+
+
+static void Display( void )
+{
+   static GLfloat blue[4] = {0.2, 0.2, 1.0, 1.0};
+   static GLfloat red[4] = {1.0, 0.2, 0.2, 1.0};
+   static GLfloat green[4] = {0.2, 1.0, 0.2, 1.0};
+
+   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+   glPushMatrix();
+   glRotatef(Xrot, 1, 0, 0);
+   glRotatef(Yrot, 0, 1, 0);
+
+   glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, blue);
+   glCallList(Torus);
+
+   glRotatef(90.0, 1, 0, 0);
+   glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, red);
+   glCallList(Torus);
+
+   glRotatef(90.0, 0, 1, 0);
+   glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, green);
+   glCallList(Torus);
+
+   glPopMatrix();
+
+   glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+   float ratio = (float) width / (float) height;
+
+   ScreenWidth = width;
+   ScreenHeight = height;
+
+   /*
+    * The 3Dfx driver is limited to 640 x 480 but the X window may be larger.
+    * Enforce that here.
+    */
+   if (width > WIDTH)
+      width = WIDTH;
+   if (height > HEIGHT)
+      height = HEIGHT;
+
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glFrustum( -ratio, ratio, -1.0, 1.0, 5.0, 30.0 );
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   glTranslatef( 0.0, 0.0, -20.0 );
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 27:
+         glutDestroyWindow(Window);
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void SpecialKey( int key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case GLUT_KEY_UP:
+         break;
+      case GLUT_KEY_DOWN:
+         break;
+      case GLUT_KEY_LEFT:
+         break;
+      case GLUT_KEY_RIGHT:
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void MouseMove( int x, int y )
+{
+   Xrot = y - ScreenWidth / 2;
+   Yrot = x - ScreenHeight / 2;
+   glutPostRedisplay();
+}
+
+
+static void Init( void )
+{
+   Torus = glGenLists(1);
+   glNewList(Torus, GL_COMPILE);
+   glutSolidTorus(0.5, 2.0, 10, 20);
+   glEndList();
+
+   glEnable(GL_LIGHTING);
+   glEnable(GL_LIGHT0);
+
+   glEnable(GL_DEPTH_TEST);
+   glEnable(GL_CULL_FACE);
+}
+
+
+int main( int argc, char *argv[] )
+{
+#ifndef _WIN32
+   printf("NOTE: if you've got 3Dfx VooDoo hardware you must run this");
+   printf(" program as root.\n\n");
+   printf("Move the mouse.  Press ESC to exit.\n\n");
+#endif
+
+   /* Tell Mesa GLX to use 3Dfx driver in fullscreen mode. */
+   putenv("MESA_GLX_FX=fullscreen");
+
+   /* Disable 3Dfx Glide splash screen */
+   putenv("FX_GLIDE_NO_SPLASH=");
+
+   /* Give an initial size and position so user doesn't have to place window */
+   glutInitWindowPosition(0, 0);
+   glutInitWindowSize(WIDTH, HEIGHT);
+   glutInit( &argc, argv );
+
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
+
+   Window = glutCreateWindow(argv[0]);
+   if (!Window) {
+      printf("Error, couldn't open window\n");
+      exit(1);
+   }
+
+   /*
+    * Want the X window to fill the screen so that we don't have to
+    * worry about losing the mouse input focus.
+    * Note that we won't actually see the X window since we never draw
+    * to it, hence, the original X screen's contents aren't disturbed.
+    */
+   glutFullScreen();
+
+   Init();
+
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutSpecialFunc( SpecialKey );
+   glutDisplayFunc( Display );
+   glutPassiveMotionFunc( MouseMove );
+
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/ipers.c b/nx-X11/extras/Mesa_6.4.2/progs/demos/ipers.c
new file mode 100644
index 000000000..6e153c04e
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/ipers.c
@@ -0,0 +1,712 @@
+/*
+ * This program is under the GNU GPL.
+ * Use at your own risk.
+ *
+ * written by David Bucciarelli (tech.hmw@plus.it)
+ *            Humanware s.r.l.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <string.h>
+
+#if defined (WIN32)|| defined(_WIN32)
+#include <windows.h>
+#include <mmsystem.h>
+#endif
+
+#include <GL/glut.h>
+
+#include "readtex.h"
+
+#ifdef XMESA
+#include "GL/xmesa.h"
+static int fullscreen = 1;
+#endif
+
+static int WIDTH = 640;
+static int HEIGHT = 480;
+
+static GLint T0;
+static GLint Frames;
+
+#define MAX_LOD 9
+
+#define TEX_SKY_WIDTH 256
+#define TEX_SKY_HEIGHT TEX_SKY_WIDTH
+
+#ifndef M_PI
+#define M_PI 3.1415926535
+#endif
+
+#define FROM_NONE   0
+#define FROM_DOWN   1
+#define FROM_UP     2
+#define FROM_LEFT   3
+#define FROM_RIGHT  4
+#define FROM_FRONT  5
+#define FROM_BACK   6
+
+static int win = 0;
+
+static float obs[3] = { 3.8, 0.0, 0.0 };
+static float dir[3];
+static float v = 0.0;
+static float alpha = -90.0;
+static float beta = 90.0;
+
+static int fog = 1;
+static int bfcull = 1;
+static int usetex = 1;
+static int help = 1;
+static int poutline = 0;
+static int normext = 1;
+static int joyavailable = 0;
+static int joyactive = 0;
+static int LODbias = 3;
+static int maxdepth = MAX_LOD;
+
+static unsigned int totpoly = 0;
+
+static GLuint t1id, t2id;
+static GLuint skydlist, LODdlist[MAX_LOD], LODnumpoly[MAX_LOD];
+
+static void
+initlight(void)
+{
+   GLfloat lspec[4] = { 1.0, 1.0, 1.0, 1.0 };
+   static GLfloat lightpos[4] = { 30, 15.0, 30.0, 1.0 };
+
+   glLightfv(GL_LIGHT0, GL_POSITION, lightpos);
+   glLightfv(GL_LIGHT0, GL_SPECULAR, lspec);
+
+   glMaterialf(GL_FRONT_AND_BACK, GL_SHININESS, 32.0);
+   glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, lspec);
+}
+
+static void
+initdlists(void)
+{
+   static int slicetable[MAX_LOD][2] = {
+      {21, 10},
+      {18, 9},
+      {15, 8},
+      {12, 7},
+      {9, 6},
+      {7, 5},
+      {5, 4},
+      {4, 3},
+      {3, 2}
+   };
+   GLUquadricObj *obj;
+   int i, xslices, yslices;
+
+   obj = gluNewQuadric();
+
+   skydlist = glGenLists(1);
+   glNewList(skydlist, GL_COMPILE);
+   glBindTexture(GL_TEXTURE_2D, t2id);
+   glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+   glColor3f(1.0f, 1.0f, 1.0f);
+
+   gluQuadricDrawStyle(obj, GLU_FILL);
+   gluQuadricNormals(obj, GLU_NONE);
+   gluQuadricTexture(obj, GL_TRUE);
+   gluQuadricOrientation(obj, GLU_INSIDE);
+   gluSphere(obj, 40.0f, 18, 9);
+
+   glEndList();
+
+   for (i = 0; i < MAX_LOD; i++) {
+      LODdlist[i] = glGenLists(1);
+      glNewList(LODdlist[i], GL_COMPILE);
+
+      gluQuadricDrawStyle(obj, GLU_FILL);
+      gluQuadricNormals(obj, GLU_SMOOTH);
+      gluQuadricTexture(obj, GL_TRUE);
+      gluQuadricOrientation(obj, GLU_OUTSIDE);
+      xslices = slicetable[i][0];
+      yslices = slicetable[i][1];
+      gluSphere(obj, 1.0f, xslices, yslices);
+      LODnumpoly[i] = xslices * (yslices - 2) + 2 * (xslices - 1);
+
+      glEndList();
+   }
+}
+
+static void
+inittextures(void)
+{
+   GLubyte tsky[TEX_SKY_HEIGHT][TEX_SKY_WIDTH][3];
+   GLuint x, y;
+   GLfloat fact;
+   GLenum gluerr;
+
+   /* Brick */
+
+   glGenTextures(1, &t1id);
+   glBindTexture(GL_TEXTURE_2D, t1id);
+
+   if (!LoadRGBMipmaps("../images/bw.rgb", 3)) {
+      fprintf(stderr, "Error reading a texture.\n");
+      exit(-1);
+   }
+
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
+		   GL_LINEAR_MIPMAP_LINEAR);
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+
+   /* Sky */
+
+   glGenTextures(1, &t2id);
+   glBindTexture(GL_TEXTURE_2D, t2id);
+
+   for (y = 0; y < TEX_SKY_HEIGHT; y++)
+      for (x = 0; x < TEX_SKY_WIDTH; x++)
+	 if (y < TEX_SKY_HEIGHT / 2) {
+	    fact = y / (GLfloat) (TEX_SKY_HEIGHT / 2);
+	    tsky[y][x][0] =
+	       (GLubyte) (255.0f * (0.1f * fact + 0.3f * (1.0f - fact)));
+	    tsky[y][x][1] =
+	       (GLubyte) (255.0f * (0.2f * fact + 1.0f * (1.0f - fact)));
+	    tsky[y][x][2] = 255;
+	 }
+	 else {
+	    tsky[y][x][0] = tsky[TEX_SKY_HEIGHT - y - 1][x][0];
+	    tsky[y][x][1] = tsky[TEX_SKY_HEIGHT - y - 1][x][1];
+	    tsky[y][x][2] = 255;
+	 }
+
+   glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+   if (
+       (gluerr =
+	gluBuild2DMipmaps(GL_TEXTURE_2D, 3, TEX_SKY_WIDTH, TEX_SKY_HEIGHT,
+			  GL_RGB, GL_UNSIGNED_BYTE, (GLvoid *) (tsky)))) {
+      fprintf(stderr, "GLULib%s\n", (char *) gluErrorString(gluerr));
+      exit(-1);
+   }
+
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
+		   GL_LINEAR_MIPMAP_LINEAR);
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+}
+
+static void
+calcposobs(void)
+{
+   dir[0] = sin(alpha * M_PI / 180.0);
+   dir[1] = cos(alpha * M_PI / 180.0) * sin(beta * M_PI / 180.0);
+   dir[2] = cos(beta * M_PI / 180.0);
+
+   if (dir[0] < 1.0e-5 && dir[0] > -1.0e-5)
+      dir[0] = 0;
+   if (dir[1] < 1.0e-5 && dir[1] > -1.0e-5)
+      dir[1] = 0;
+   if (dir[2] < 1.0e-5 && dir[2] > -1.0e-5)
+      dir[2] = 0;
+
+   obs[0] += v * dir[0];
+   obs[1] += v * dir[1];
+   obs[2] += v * dir[2];
+}
+
+static void
+special(int k, int x, int y)
+{
+   switch (k) {
+   case GLUT_KEY_LEFT:
+      alpha -= 2.0;
+      break;
+   case GLUT_KEY_RIGHT:
+      alpha += 2.0;
+      break;
+   case GLUT_KEY_DOWN:
+      beta -= 2.0;
+      break;
+   case GLUT_KEY_UP:
+      beta += 2.0;
+      break;
+   }
+}
+
+static void
+key(unsigned char k, int x, int y)
+{
+   switch (k) {
+   case 27:
+      exit(0);
+      break;
+
+   case 'a':
+      v += 0.01;
+      break;
+   case 'z':
+      v -= 0.01;
+      break;
+
+#ifdef XMESA
+   case ' ':
+      fullscreen = (!fullscreen);
+      XMesaSetFXmode(fullscreen ? XMESA_FX_FULLSCREEN : XMESA_FX_WINDOW);
+      break;
+#endif
+
+   case '+':
+      LODbias--;
+      break;
+   case '-':
+      LODbias++;
+      break;
+   case 'j':
+      joyactive = (!joyactive);
+      break;
+   case 'h':
+      help = (!help);
+      break;
+   case 'f':
+      fog = (!fog);
+      break;
+   case 't':
+      usetex = (!usetex);
+      break;
+   case 'n':
+      normext = (!normext);
+      break;
+   case 'b':
+      if (bfcull) {
+	 glDisable(GL_CULL_FACE);
+	 bfcull = 0;
+      }
+      else {
+	 glEnable(GL_CULL_FACE);
+	 bfcull = 1;
+      }
+      break;
+   case 'p':
+      if (poutline) {
+	 glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
+	 poutline = 0;
+	 usetex = 1;
+      }
+      else {
+	 glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
+	 poutline = 1;
+	 usetex = 0;
+      }
+      break;
+   }
+}
+
+static void
+reshape(int w, int h)
+{
+   WIDTH = w;
+   HEIGHT = h;
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   gluPerspective(90.0, w / (float) h, 0.8, 100.0);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glViewport(0, 0, w, h);
+}
+
+static void
+printstring(void *font, char *string)
+{
+   int len, i;
+
+   len = (int) strlen(string);
+   for (i = 0; i < len; i++)
+      glutBitmapCharacter(font, string[i]);
+}
+
+static void
+printhelp(void)
+{
+   glEnable(GL_BLEND);
+   glColor4f(0.5, 0.5, 0.5, 0.5);
+   glRecti(40, 40, 600, 440);
+   glDisable(GL_BLEND);
+
+   glColor3f(1.0, 0.0, 0.0);
+   glRasterPos2i(300, 420);
+   printstring(GLUT_BITMAP_TIMES_ROMAN_24, "Help");
+
+   glRasterPos2i(60, 390);
+   printstring(GLUT_BITMAP_TIMES_ROMAN_24, "h - Toggle Help");
+   glRasterPos2i(60, 360);
+   printstring(GLUT_BITMAP_TIMES_ROMAN_24, "t - Toggle Textures");
+   glRasterPos2i(60, 330);
+   printstring(GLUT_BITMAP_TIMES_ROMAN_24, "f - Toggle Fog");
+   glRasterPos2i(60, 300);
+   printstring(GLUT_BITMAP_TIMES_ROMAN_24, "b - Toggle Back face culling");
+   glRasterPos2i(60, 270);
+   printstring(GLUT_BITMAP_TIMES_ROMAN_24, "Arrow Keys - Rotate");
+   glRasterPos2i(60, 240);
+   printstring(GLUT_BITMAP_TIMES_ROMAN_24, "a - Increase velocity");
+   glRasterPos2i(60, 210);
+   printstring(GLUT_BITMAP_TIMES_ROMAN_24, "z - Decrease velocity");
+   glRasterPos2i(60, 180);
+   printstring(GLUT_BITMAP_TIMES_ROMAN_24, "p - Toggle Wire frame");
+   glRasterPos2i(60, 150);
+   printstring(GLUT_BITMAP_TIMES_ROMAN_24,
+	       "n - Toggle GL_EXT_rescale_normal extension");
+   glRasterPos2i(60, 120);
+   printstring(GLUT_BITMAP_TIMES_ROMAN_24,
+	       "+/- - Increase/decrease the Object maximum LOD");
+
+   glRasterPos2i(60, 90);
+   if (joyavailable)
+      printstring(GLUT_BITMAP_TIMES_ROMAN_24,
+		  "j - Toggle jostick control (Joystick control available)");
+   else
+      printstring(GLUT_BITMAP_TIMES_ROMAN_24,
+		  "(No Joystick control available)");
+}
+
+static void
+dojoy(void)
+{
+#ifdef _WIN32
+   static UINT max[2] = { 0, 0 };
+   static UINT min[2] = { 0xffffffff, 0xffffffff }, center[2];
+   MMRESULT res;
+   JOYINFO joy;
+
+   res = joyGetPos(JOYSTICKID1, &joy);
+
+   if (res == JOYERR_NOERROR) {
+      joyavailable = 1;
+
+      if (max[0] < joy.wXpos)
+	 max[0] = joy.wXpos;
+      if (min[0] > joy.wXpos)
+	 min[0] = joy.wXpos;
+      center[0] = (max[0] + min[0]) / 2;
+
+      if (max[1] < joy.wYpos)
+	 max[1] = joy.wYpos;
+      if (min[1] > joy.wYpos)
+	 min[1] = joy.wYpos;
+      center[1] = (max[1] + min[1]) / 2;
+
+      if (joyactive) {
+	 if (fabs(center[0] - (float) joy.wXpos) > 0.1 * (max[0] - min[0]))
+	    alpha -=
+	       2.0 * (center[0] - (float) joy.wXpos) / (max[0] - min[0]);
+	 if (fabs(center[1] - (float) joy.wYpos) > 0.1 * (max[1] - min[1]))
+	    beta += 2.0 * (center[1] - (float) joy.wYpos) / (max[1] - min[1]);
+
+	 if (joy.wButtons & JOY_BUTTON1)
+	    v += 0.01;
+	 if (joy.wButtons & JOY_BUTTON2)
+	    v -= 0.01;
+      }
+   }
+   else
+      joyavailable = 0;
+#endif
+}
+
+static void
+drawipers(int depth, int from)
+{
+   int lod;
+
+   if (depth == maxdepth)
+      return;
+
+   lod = depth + LODbias;
+   if (lod < 0)
+      lod = 0;
+   if (lod >= MAX_LOD)
+      return;
+
+   switch (from) {
+   case FROM_NONE:
+      glCallList(LODdlist[lod]);
+
+      depth++;
+      drawipers(depth, FROM_DOWN);
+      drawipers(depth, FROM_UP);
+      drawipers(depth, FROM_FRONT);
+      drawipers(depth, FROM_BACK);
+      drawipers(depth, FROM_LEFT);
+      drawipers(depth, FROM_RIGHT);
+      break;
+   case FROM_FRONT:
+      glPushMatrix();
+      glTranslatef(0.0f, -1.5f, 0.0f);
+      glScalef(0.5f, 0.5f, 0.5f);
+
+      glCallList(LODdlist[lod]);
+
+      depth++;
+      drawipers(depth, FROM_DOWN);
+      drawipers(depth, FROM_UP);
+      drawipers(depth, FROM_FRONT);
+      drawipers(depth, FROM_LEFT);
+      drawipers(depth, FROM_RIGHT);
+      glPopMatrix();
+      break;
+   case FROM_BACK:
+      glPushMatrix();
+      glTranslatef(0.0f, 1.5f, 0.0f);
+      glScalef(0.5f, 0.5f, 0.5f);
+
+      glCallList(LODdlist[lod]);
+
+      depth++;
+      drawipers(depth, FROM_DOWN);
+      drawipers(depth, FROM_UP);
+      drawipers(depth, FROM_BACK);
+      drawipers(depth, FROM_LEFT);
+      drawipers(depth, FROM_RIGHT);
+      glPopMatrix();
+      break;
+   case FROM_LEFT:
+      glPushMatrix();
+      glTranslatef(-1.5f, 0.0f, 0.0f);
+      glScalef(0.5f, 0.5f, 0.5f);
+
+      glCallList(LODdlist[lod]);
+
+      depth++;
+      drawipers(depth, FROM_DOWN);
+      drawipers(depth, FROM_UP);
+      drawipers(depth, FROM_FRONT);
+      drawipers(depth, FROM_BACK);
+      drawipers(depth, FROM_LEFT);
+      glPopMatrix();
+      break;
+   case FROM_RIGHT:
+      glPushMatrix();
+      glTranslatef(1.5f, 0.0f, 0.0f);
+      glScalef(0.5f, 0.5f, 0.5f);
+
+      glCallList(LODdlist[lod]);
+
+      depth++;
+      drawipers(depth, FROM_DOWN);
+      drawipers(depth, FROM_UP);
+      drawipers(depth, FROM_FRONT);
+      drawipers(depth, FROM_BACK);
+      drawipers(depth, FROM_RIGHT);
+      glPopMatrix();
+      break;
+   case FROM_DOWN:
+      glPushMatrix();
+      glTranslatef(0.0f, 0.0f, 1.5f);
+      glScalef(0.5f, 0.5f, 0.5f);
+
+      glCallList(LODdlist[lod]);
+
+      depth++;
+      drawipers(depth, FROM_DOWN);
+      drawipers(depth, FROM_FRONT);
+      drawipers(depth, FROM_BACK);
+      drawipers(depth, FROM_LEFT);
+      drawipers(depth, FROM_RIGHT);
+      glPopMatrix();
+      break;
+   case FROM_UP:
+      glPushMatrix();
+      glTranslatef(0.0f, 0.0f, -1.5f);
+      glScalef(0.5f, 0.5f, 0.5f);
+
+      glCallList(LODdlist[lod]);
+
+      depth++;
+      drawipers(depth, FROM_UP);
+      drawipers(depth, FROM_FRONT);
+      drawipers(depth, FROM_BACK);
+      drawipers(depth, FROM_LEFT);
+      drawipers(depth, FROM_RIGHT);
+      glPopMatrix();
+      break;
+   }
+
+   totpoly += LODnumpoly[lod];
+}
+
+static void
+draw(void)
+{
+   static char frbuf[80] = "";
+   static GLfloat alpha = 0.0f;
+   static GLfloat beta = 0.0f;
+   static float fr = 0.0;
+   static double t0 = -1.;
+   double dt, t = glutGet(GLUT_ELAPSED_TIME) / 1000.0;
+   if (t0 < 0.0)
+      t0 = t;
+   dt = t - t0;
+   t0 = t;
+
+   dojoy();
+
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+   if (usetex)
+      glEnable(GL_TEXTURE_2D);
+   else
+      glDisable(GL_TEXTURE_2D);
+
+   if (fog)
+      glEnable(GL_FOG);
+   else
+      glDisable(GL_FOG);
+
+   glPushMatrix();
+   calcposobs();
+   gluLookAt(obs[0], obs[1], obs[2],
+	     obs[0] + dir[0], obs[1] + dir[1], obs[2] + dir[2],
+	     0.0, 0.0, 1.0);
+
+   /* Scene */
+   glEnable(GL_DEPTH_TEST);
+
+   glShadeModel(GL_SMOOTH);
+   glBindTexture(GL_TEXTURE_2D, t1id);
+   glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+   glColor3f(1.0f, 1.0f, 1.0f);
+   glEnable(GL_LIGHT0);
+   glEnable(GL_LIGHTING);
+
+   if (normext)
+      glEnable(GL_RESCALE_NORMAL_EXT);
+   else
+      glEnable(GL_NORMALIZE);
+
+   glPushMatrix();
+   glRotatef(alpha, 0.0f, 0.0f, 1.0f);
+   glRotatef(beta, 1.0f, 0.0f, 0.0f);
+   totpoly = 0;
+   drawipers(0, FROM_NONE);
+   glPopMatrix();
+
+   alpha += 4.f * dt;
+   beta += 2.4f * dt;
+
+   glDisable(GL_LIGHTING);
+   glDisable(GL_LIGHT0);
+   glShadeModel(GL_FLAT);
+
+   if (normext)
+      glDisable(GL_RESCALE_NORMAL_EXT);
+   else
+      glDisable(GL_NORMALIZE);
+
+   glCallList(skydlist);
+
+   glPopMatrix();
+
+   /* Help Screen */
+
+   sprintf(frbuf,
+	   "Frame rate: %0.2f   LOD: %d   Tot. poly.: %d   Poly/sec: %.1f",
+	   fr, LODbias, totpoly, totpoly * fr);
+
+   glDisable(GL_TEXTURE_2D);
+   glDisable(GL_FOG);
+   glShadeModel(GL_FLAT);
+   glDisable(GL_DEPTH_TEST);
+
+   glMatrixMode(GL_PROJECTION);
+   glPushMatrix();
+   glLoadIdentity();
+   glOrtho(-0.5, 639.5, -0.5, 479.5, -1.0, 1.0);
+
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+
+   glColor3f(1.0, 0.0, 0.0);
+   glRasterPos2i(10, 10);
+   printstring(GLUT_BITMAP_HELVETICA_18, frbuf);
+   glRasterPos2i(350, 470);
+   printstring(GLUT_BITMAP_HELVETICA_10,
+	       "IperS V1.0 Written by David Bucciarelli (tech.hmw@plus.it)");
+
+   if (help)
+      printhelp();
+
+   glMatrixMode(GL_PROJECTION);
+   glPopMatrix();
+   glMatrixMode(GL_MODELVIEW);
+
+   glutSwapBuffers();
+
+   Frames++;
+   {
+      GLint t = glutGet(GLUT_ELAPSED_TIME);
+      if (t - T0 >= 2000) {
+         GLfloat seconds = (t - T0) / 1000.0;
+         fr = Frames / seconds;
+         T0 = t;
+         Frames = 0;
+      }
+   }
+}
+
+int
+main(int ac, char **av)
+{
+   float fogcolor[4] = { 0.7, 0.7, 0.7, 1.0 };
+
+   fprintf(stderr,
+	   "IperS V1.0\nWritten by David Bucciarelli (tech.hmw@plus.it)\n");
+
+   glutInitWindowPosition(0, 0);
+   glutInitWindowSize(WIDTH, HEIGHT);
+   glutInit(&ac, av);
+
+   glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE);
+
+   if (!(win = glutCreateWindow("IperS"))) {
+      fprintf(stderr, "Error, couldn't open window\n");
+      exit(-1);
+   }
+
+   reshape(WIDTH, HEIGHT);
+
+   glShadeModel(GL_SMOOTH);
+   glEnable(GL_DEPTH_TEST);
+   glEnable(GL_CULL_FACE);
+   glEnable(GL_TEXTURE_2D);
+
+   glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+
+   glEnable(GL_FOG);
+   glFogi(GL_FOG_MODE, GL_EXP2);
+   glFogfv(GL_FOG_COLOR, fogcolor);
+
+   glFogf(GL_FOG_DENSITY, 0.006);
+
+   glHint(GL_FOG_HINT, GL_NICEST);
+
+   inittextures();
+   initdlists();
+   initlight();
+
+   glClearColor(fogcolor[0], fogcolor[1], fogcolor[2], fogcolor[3]);
+   glClear(GL_COLOR_BUFFER_BIT);
+
+   calcposobs();
+
+   glutReshapeFunc(reshape);
+   glutDisplayFunc(draw);
+   glutKeyboardFunc(key);
+   glutSpecialFunc(special);
+   glutIdleFunc(draw);
+
+   glutMainLoop();
+
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/isosurf.c b/nx-X11/extras/Mesa_6.4.2/progs/demos/isosurf.c
new file mode 100644
index 000000000..0710bc604
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/isosurf.c
@@ -0,0 +1,1125 @@
+
+/*
+ * Display an isosurface of 3-D wind speed volume.
+ *
+ * Command line options:
+ *    -info      print GL implementation information
+ *
+ * Brian Paul  This file in public domain.
+ */
+
+
+/* Keys:
+ * =====
+ *
+ *   - Arrow keys to rotate
+ *   - 's' toggles smooth shading
+ *   - 'l' toggles lighting
+ *   - 'f' toggles fog
+ *   - 'I' and 'i' zoom in and out
+ *   - 'c' toggles a user clip plane
+ *   - 'm' toggles colorful materials in GL_TRIANGLES modes.
+ *   - '+' and '-' move the user clip plane
+ *
+ * Other options are available via the popup menu.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+#ifdef _WIN32
+#include <windows.h>
+#undef CLIP_MASK
+#endif
+#define GL_GLEXT_PROTOTYPES
+#include "GL/glut.h"
+
+#include "readtex.h"
+#define TEXTURE_FILE "../images/reflect.rgb"
+
+#define LIT		0x00000001
+#define UNLIT		0x00000002
+#define REFLECT		0x00000004
+#define POINT_FILTER	0x00000008
+#define LINEAR_FILTER	0x00000010
+#define GLVERTEX	0x00000020
+#define DRAW_ELTS	0x00000040 
+#define DRAW_ARRAYS	0x00000080 
+#define ARRAY_ELT	0x00000100
+#define LOCKED	        0x00000200
+#define UNLOCKED	0x00000400 
+#define IMMEDIATE	0x00000800
+#define DISPLAYLIST	0x00001000
+#define SHADE_SMOOTH	0x00002000
+#define SHADE_FLAT	0x00004000
+#define TRIANGLES	0x00008000
+#define STRIPS		0x00010000
+#define POINTS		0x00020000
+#define USER_CLIP	0x00040000
+#define NO_USER_CLIP	0x00080000
+#define MATERIALS	0x00100000
+#define NO_MATERIALS	0x00200000
+#define FOG		0x00400000
+#define NO_FOG		0x00800000
+#define QUIT		0x01000000
+#define GLINFO		0x02000000
+#define STIPPLE		0x04000000
+#define NO_STIPPLE	0x08000000
+#define POLYGON_FILL	0x10000000
+#define POLYGON_LINE	0x20000000
+
+#define LIGHT_MASK		(LIT|UNLIT|REFLECT)
+#define FILTER_MASK		(POINT_FILTER|LINEAR_FILTER)
+#define RENDER_STYLE_MASK	(GLVERTEX|DRAW_ARRAYS|DRAW_ELTS|ARRAY_ELT)
+#define DLIST_MASK		(IMMEDIATE|DISPLAYLIST)
+#define LOCK_MASK		(LOCKED|UNLOCKED)
+#define MATERIAL_MASK		(MATERIALS|NO_MATERIALS)
+#define PRIMITIVE_MASK		(TRIANGLES|STRIPS|POINTS)
+#define CLIP_MASK		(USER_CLIP|NO_USER_CLIP)
+#define SHADE_MASK		(SHADE_SMOOTH|SHADE_FLAT)
+#define FOG_MASK		(FOG|NO_FOG)
+#define STIPPLE_MASK		(STIPPLE|NO_STIPPLE)
+#define POLYGON_MASK		(POLYGON_FILL|POLYGON_LINE)
+
+#define MAXVERTS 10000
+static GLint maxverts = MAXVERTS;
+static float data[MAXVERTS][6];
+static float compressed_data[MAXVERTS][6];
+static float expanded_data[MAXVERTS*3][6];
+static GLuint indices[MAXVERTS];
+static GLuint tri_indices[MAXVERTS*3];
+static GLuint strip_indices[MAXVERTS];
+static GLfloat col[100][4];
+static GLint numverts, num_tri_verts, numuniq;
+
+static GLfloat xrot;
+static GLfloat yrot;
+static GLfloat dist;
+static GLint state, allowed = ~0;
+static GLboolean doubleBuffer = GL_TRUE;
+static GLdouble plane[4];
+static GLuint surf1, dlist_state;
+
+static GLboolean PrintInfo = GL_FALSE;
+
+
+static GLubyte halftone[] = {
+   0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55, 0xAA, 0xAA, 0xAA, 0xAA,
+   0x55, 0x55, 0x55, 0x55, 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
+   0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55, 0xAA, 0xAA, 0xAA, 0xAA,
+   0x55, 0x55, 0x55, 0x55, 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
+   0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55, 0xAA, 0xAA, 0xAA, 0xAA,
+   0x55, 0x55, 0x55, 0x55, 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
+   0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55, 0xAA, 0xAA, 0xAA, 0xAA,
+   0x55, 0x55, 0x55, 0x55, 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
+   0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55, 0xAA, 0xAA, 0xAA, 0xAA,
+   0x55, 0x55, 0x55, 0x55, 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
+   0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55};
+
+
+static void read_surface( char *filename )
+{
+   FILE *f;
+
+   f = fopen(filename,"r");
+   if (!f) {
+      printf("couldn't read %s\n", filename);
+      exit(1);
+   }
+
+   numverts = 0;
+   while (!feof(f) && numverts<maxverts) {
+      fscanf( f, "%f %f %f  %f %f %f",
+	      &data[numverts][0], &data[numverts][1], &data[numverts][2],
+	      &data[numverts][3], &data[numverts][4], &data[numverts][5] );
+      numverts++;
+   }
+   numverts--;
+
+   printf("%d vertices, %d triangles\n", numverts, numverts-2);
+   fclose(f);
+}
+
+
+
+static void print_flags( const char *msg, GLuint flags ) 
+{
+   fprintf(stderr, 
+	   "%s (0x%x): %s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
+	   msg, flags,
+	   (flags & GLVERTEX) ? "glVertex, " : "",
+	   (flags & DRAW_ARRAYS) ? "glDrawArrays, " : "",
+	   (flags & DRAW_ELTS) ? "glDrawElements, " : "",
+	   (flags & ARRAY_ELT) ? "glArrayElement, " : "",
+	   (flags & LOCKED) ? "locked arrays, " : "",
+	   (flags & TRIANGLES) ? "GL_TRIANGLES, " : "",
+	   (flags & STRIPS) ? "GL_TRIANGLE_STRIP, " : "",
+	   (flags & POINTS) ? "GL_POINTS, " : "",
+	   (flags & DISPLAYLIST) ? "as a displaylist, " : "",
+	   (flags & LIT) ? "lit, " : "",
+	   (flags & UNLIT) ? "unlit, " : "",
+	   (flags & REFLECT) ? "reflect, " : "",
+	   (flags & SHADE_FLAT) ? "flat-shaded, " : "",
+	   (flags & USER_CLIP) ? "user_clip, " : "",
+	   (flags & MATERIALS) ? "materials, " : "",
+	   (flags & FOG) ? "fog, " : "",
+	   (flags & STIPPLE) ? "stipple, " : "",
+	   (flags & POLYGON_LINE) ? "polygon mode line, " : "");
+}
+
+
+
+struct data_idx {
+   float *data;
+   int idx;
+   int uniq_idx;
+};
+
+
+#define COMPARE_FUNC( AXIS )                            \
+static int compare_axis_##AXIS( const void *a, const void *b )	\
+{							\
+   float t = ( (*(struct data_idx *)a).data[AXIS] -	\
+	       (*(struct data_idx *)b).data[AXIS] );	\
+   							\
+   if (t < 0) return -1;				\
+   if (t > 0) return 1;					\
+   return 0;						\
+}
+
+COMPARE_FUNC(0)
+COMPARE_FUNC(1)
+COMPARE_FUNC(2)
+COMPARE_FUNC(3)
+COMPARE_FUNC(4)
+COMPARE_FUNC(5)
+COMPARE_FUNC(6)
+
+int (*(compare[7]))( const void *a, const void *b ) =
+{
+   compare_axis_0,
+   compare_axis_1,
+   compare_axis_2,
+   compare_axis_3,
+   compare_axis_4,
+   compare_axis_5,
+   compare_axis_6,
+};
+
+
+#define VEC_ELT(f, s, i)  (float *)(((char *)f) + s * i)
+
+static int sort_axis( int axis,
+		      int vec_size,
+		      int vec_stride,
+		      struct data_idx *indices,
+		      int start,
+		      int finish,
+		      float *out,
+		      int uniq,
+		      const float fudge )
+{
+   int i;
+
+   if (finish-start > 2)
+   {
+      qsort( indices+start, finish-start, sizeof(*indices), compare[axis] );
+   }
+   else if (indices[start].data[axis] > indices[start+1].data[axis])
+   {
+      struct data_idx tmp = indices[start];
+      indices[start] = indices[start+1];
+      indices[start+1] = tmp;
+   }
+
+   if (axis == vec_size-1) {
+      for (i = start ; i < finish ; ) {
+	 float max = indices[i].data[axis] + fudge;
+	 float *dest = VEC_ELT(out, vec_stride, uniq);
+	 int j;
+
+	 for (j = 0 ; j < vec_size ; j++)
+	    dest[j] = indices[i].data[j];
+
+	 for ( ; i < finish && max >= indices[i].data[axis]; i++)
+	    indices[i].uniq_idx = uniq;
+
+	 uniq++;
+      }
+   } else {
+      for (i = start ; i < finish ; ) {
+	 int j = i + 1;
+	 float max = indices[i].data[axis] + fudge;
+	 while (j < finish && max >= indices[j].data[axis]) j++;
+	 if (j == i+1) {
+	    float *dest = VEC_ELT(out, vec_stride, uniq);
+	    int k;
+
+	    indices[i].uniq_idx = uniq;
+
+	    for (k = 0 ; k < vec_size ; k++)
+	       dest[k] = indices[i].data[k];
+
+	    uniq++;
+	 } else {
+	    uniq = sort_axis( axis+1, vec_size, vec_stride,
+			      indices, i, j, out, uniq, fudge );
+	 }
+	 i = j;
+      }
+   }
+
+   return uniq;
+}
+
+
+static void extract_indices1( const struct data_idx *in, unsigned int *out,
+			      int n )
+{
+   int i;
+   for ( i = 0 ; i < n ; i++ ) {
+      out[in[i].idx] = in[i].uniq_idx;
+   }
+}
+
+
+static void compactify_arrays(void)
+{
+   int i;
+   struct data_idx *ind;
+
+   ind = (struct data_idx *) malloc( sizeof(struct data_idx) * numverts );
+
+   for (i = 0 ; i < numverts ; i++) {
+      ind[i].idx = i;
+      ind[i].data = data[i];
+   }
+
+   numuniq = sort_axis(0,
+		       sizeof(compressed_data[0])/sizeof(float),
+		       sizeof(compressed_data[0]),
+		       ind,
+		       0,
+		       numverts,
+		       (float *)compressed_data,
+		       0,
+		       1e-6);
+
+   printf("Nr unique vertex/normal pairs: %d\n", numuniq);
+
+   extract_indices1( ind, indices, numverts );
+   free( ind );
+}
+
+static void expand_arrays(void) 
+{
+   int i;
+   int parity = 0;
+   for (i = 2 ; i < numverts ; i++, parity ^= 1) {
+      int v0 = i-2+parity;
+      int v1 = i-1-parity;
+      int v2 = i;
+      memcpy( expanded_data[(i-2)*3+0], data[v0], sizeof(data[0]) );
+      memcpy( expanded_data[(i-2)*3+1], data[v1], sizeof(data[0]) );
+      memcpy( expanded_data[(i-2)*3+2], data[v2], sizeof(data[0]) );
+   }
+}
+
+static float myrand( float max )
+{
+   return max*rand()/(RAND_MAX+1.0);
+}
+
+
+static void make_tri_indices( void )
+{
+   unsigned int *v = tri_indices;
+   unsigned int parity = 0;
+   int i, j;
+
+   for (j=2;j<numverts;j++,parity^=1) {
+      if (parity) {
+	 *v++ = indices[j-1];
+	 *v++ = indices[j-2];
+	 *v++ = indices[j];
+      } else {
+	 *v++ = indices[j-2];
+	 *v++ = indices[j-1];
+	 *v++ = indices[j];
+      }
+   }
+
+   num_tri_verts = v - tri_indices;
+   printf("num_tri_verts: %d\n", num_tri_verts);
+
+   for (i = j = 0 ; i < num_tri_verts ; i += 600, j++) {
+      col[j][3] = 1;
+      col[j][2] = myrand(1);
+      col[j][1] = myrand(1);
+      col[j][0] = myrand(1);
+   }
+
+   for (i = 0; i < numverts ; i++)
+      strip_indices[i] = i;
+}
+
+#define MIN(x,y) (x < y) ? x : y
+
+static void draw_surface( unsigned int with_state )
+{
+   GLint i, j;
+   
+   if (with_state & DISPLAYLIST) {
+      if ((with_state & (RENDER_STYLE_MASK|PRIMITIVE_MASK|MATERIAL_MASK)) != 
+	  dlist_state) {
+	 /* 
+	  */
+	 fprintf(stderr, "rebuilding displaylist\n");
+
+	 if (dlist_state)
+	    glDeleteLists( surf1, 1 );
+
+	 dlist_state = with_state & (RENDER_STYLE_MASK|PRIMITIVE_MASK|
+				     MATERIAL_MASK);
+	 surf1 = glGenLists(1);
+	 glNewList(surf1, GL_COMPILE);
+	 draw_surface( dlist_state );
+	 glEndList();
+      }
+
+      glCallList( surf1 );
+      return;
+   }
+
+   switch (with_state & (RENDER_STYLE_MASK|PRIMITIVE_MASK)) {
+#ifdef GL_EXT_vertex_array
+
+   case (DRAW_ELTS|TRIANGLES):
+      if (with_state & MATERIALS) {
+	 for (j = i = 0 ; i < num_tri_verts ; i += 600, j++) {
+	    GLuint nr = MIN(num_tri_verts-i, 600);
+	    glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, col[j]);
+	    glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, col[j]);
+	    glDrawElements( GL_TRIANGLES, nr, GL_UNSIGNED_INT, tri_indices+i );
+	 }
+      } else {
+	 glDrawElements( GL_TRIANGLES, num_tri_verts, GL_UNSIGNED_INT,
+			 tri_indices );
+      }
+      break;
+
+   case (DRAW_ARRAYS|TRIANGLES):
+      glDrawArraysEXT( GL_TRIANGLES, 0, (numverts-2)*3 );
+      break;
+
+   case (ARRAY_ELT|TRIANGLES):
+      if (with_state & MATERIALS) {
+	 for (j = i = 0 ; i < num_tri_verts ; i += 600, j++) {
+	    GLuint nr = MIN(num_tri_verts-i, 600);
+	    GLuint k;
+	    glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, col[j]);
+	    glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, col[j]);
+	    glBegin( GL_TRIANGLES );
+	    for (k = 0 ; k < nr ; k++)
+	       glArrayElement( tri_indices[i+k] );
+	    glEnd();
+	 }
+      } else {
+	 glBegin( GL_TRIANGLES );
+	 for (i = 0 ; i < num_tri_verts ; i++)
+	    glArrayElement( tri_indices[i] );
+
+	 glEnd();
+      }
+      break;
+
+
+      /* Uses the original arrays (including duplicate elements):
+       */
+   case (DRAW_ARRAYS|STRIPS):
+      glDrawArraysEXT( GL_TRIANGLE_STRIP, 0, numverts );
+      break;
+   case (DRAW_ELTS|STRIPS):
+      glDrawElements( GL_TRIANGLE_STRIP, numverts,
+		      GL_UNSIGNED_INT, strip_indices );
+      break;
+
+      /* Uses the original arrays (including duplicate elements):
+       */
+   case (ARRAY_ELT|STRIPS):
+      glBegin( GL_TRIANGLE_STRIP );
+      for (i = 0 ; i < numverts ; i++)
+	 glArrayElement( i );
+      glEnd();
+      break;
+
+   case (DRAW_ARRAYS|POINTS):
+      glDrawArraysEXT( GL_POINTS, 0, numuniq );
+      break;
+   case (DRAW_ELTS|POINTS):
+      /* can use numuniq with strip_indices as strip_indices[i] == i.
+       */
+      glDrawElements( GL_POINTS, numuniq, 
+		      GL_UNSIGNED_INT, strip_indices );
+      break;
+   case (ARRAY_ELT|POINTS):
+      /* just emit each unique element once:
+       */
+      glBegin( GL_POINTS );
+      for (i = 0 ; i < numuniq ; i++)
+	 glArrayElement( i );
+      glEnd();
+      break;
+#endif
+
+   case (GLVERTEX|TRIANGLES):
+      if (with_state & MATERIALS) {
+	 for (j = i = 0 ; i < num_tri_verts ; i += 600, j++) {
+	    GLuint nr = MIN(num_tri_verts-i, 600);
+	    GLuint k;
+	    glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, col[j]);
+	    glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, col[j]);
+	    glBegin( GL_TRIANGLES );
+	    for (k = 0 ; k < nr ; k++) {
+	       glNormal3fv( &compressed_data[tri_indices[i+k]][3] );
+	       glVertex3fv( &compressed_data[tri_indices[i+k]][0] );
+	    }
+	    glEnd();
+	 }
+      } else {
+	 glBegin( GL_TRIANGLES );
+	 for (i = 0 ; i < num_tri_verts ; i++) {
+	    glNormal3fv( &compressed_data[tri_indices[i]][3] );
+	    glVertex3fv( &compressed_data[tri_indices[i]][0] );
+	 }
+	 glEnd();
+      }
+      break;
+
+   case (GLVERTEX|POINTS):
+      /* Renders all points, but not in strip order...  Shouldn't be a
+       * problem, but people may be confused as to why points are so
+       * much faster in this demo...  And why cva doesn't help them...
+       */
+      glBegin( GL_POINTS );
+      for ( i = 0 ; i < numuniq ; i++ ) {
+         glNormal3fv( &compressed_data[i][3] );
+         glVertex3fv( &compressed_data[i][0] );
+      }
+      glEnd();
+      break;
+
+   case (GLVERTEX|STRIPS):
+      glBegin( GL_TRIANGLE_STRIP );
+      for (i=0;i<numverts;i++) {
+         glNormal3fv( &data[i][3] );
+         glVertex3fv( &data[i][0] );
+      }
+      glEnd();
+      break;
+
+   default:
+      fprintf(stderr, "unimplemented mode %x...\n", 
+	      (with_state & (RENDER_STYLE_MASK|PRIMITIVE_MASK)));
+      break;
+   }
+}
+
+
+
+static void Display(void)
+{
+    glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+    draw_surface( state );
+    glFlush();
+    if (doubleBuffer) glutSwapBuffers();
+}
+
+
+/* KW: only do this when necessary, so CVA can re-use results.
+ */
+static void set_matrix( void )
+{
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glTranslatef( 0.0, 0.0, dist );
+   glRotatef( yrot, 0.0, 1.0, 0.0 );
+   glRotatef( xrot, 1.0, 0.0, 0.0 );
+}
+
+static void Benchmark( float xdiff, float ydiff )
+{
+   int startTime, endTime;
+   int draws;
+   double seconds, fps, triPerSecond;
+
+   printf("Benchmarking...\n");
+
+   draws = 0;
+   startTime = glutGet(GLUT_ELAPSED_TIME);
+   xrot = 0.0;
+   do {
+      xrot += xdiff;
+      yrot += ydiff;
+      set_matrix();
+      Display();
+      draws++;
+      endTime = glutGet(GLUT_ELAPSED_TIME);
+   } while (endTime - startTime < 5000);   /* 5 seconds */
+
+   /* Results */
+   seconds = (double) (endTime - startTime) / 1000.0;
+   triPerSecond = (numverts - 2) * draws / seconds;
+   fps = draws / seconds;
+   printf("Result:  triangles/sec: %g  fps: %g\n", triPerSecond, fps);
+}
+
+
+static void InitMaterials(void)
+{
+    static float ambient[] = {0.1, 0.1, 0.1, 1.0};
+    static float diffuse[] = {0.5, 1.0, 1.0, 1.0};
+    static float position0[] = {0.0, 0.0, 20.0, 0.0};
+    static float position1[] = {0.0, 0.0, -20.0, 0.0};
+    static float front_mat_shininess[] = {60.0};
+    static float front_mat_specular[] = {0.2, 0.2, 0.2, 1.0};
+    static float front_mat_diffuse[] = {0.5, 0.28, 0.38, 1.0};
+    /*
+    static float back_mat_shininess[] = {60.0};
+    static float back_mat_specular[] = {0.5, 0.5, 0.2, 1.0};
+    static float back_mat_diffuse[] = {1.0, 1.0, 0.2, 1.0};
+    */
+    static float lmodel_ambient[] = {1.0, 1.0, 1.0, 1.0};
+    static float lmodel_twoside[] = {GL_FALSE};
+
+    glLightfv(GL_LIGHT0, GL_AMBIENT, ambient);
+    glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse);
+    glLightfv(GL_LIGHT0, GL_POSITION, position0);
+    glEnable(GL_LIGHT0);
+
+    glLightfv(GL_LIGHT1, GL_AMBIENT, ambient);
+    glLightfv(GL_LIGHT1, GL_DIFFUSE, diffuse);
+    glLightfv(GL_LIGHT1, GL_POSITION, position1);
+    glEnable(GL_LIGHT1);
+
+    glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
+    glLightModelfv(GL_LIGHT_MODEL_TWO_SIDE, lmodel_twoside);
+
+    glMaterialfv(GL_FRONT_AND_BACK, GL_SHININESS, front_mat_shininess);
+    glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, front_mat_specular);
+    glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, front_mat_diffuse);
+
+    glPolygonStipple (halftone);
+}
+
+
+
+#define UPDATE(o,n,mask) (o&=~mask, o|=n&mask)
+#define CHANGED(o,n,mask) ((n&mask) && (n&mask) != (o&mask) )
+
+static void ModeMenu(int m)
+{
+   m &= allowed;
+
+   if (!m) return;
+
+   if (m==QUIT)
+      exit(0);
+
+   if (m==GLINFO) {
+      printf("GL_VERSION: %s\n", (char *) glGetString(GL_VERSION));
+      printf("GL_EXTENSIONS: %s\n", (char *) glGetString(GL_EXTENSIONS));
+      printf("GL_RENDERER: %s\n", (char *) glGetString(GL_RENDERER));
+      return;
+   }
+
+   if (CHANGED(state, m, FILTER_MASK)) {
+      UPDATE(state, m, FILTER_MASK);
+      if (m & LINEAR_FILTER) {
+	 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+	 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+      } else {
+	 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+	 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+      }
+   }
+
+   if (CHANGED(state, m, LIGHT_MASK)) {
+      UPDATE(state, m, LIGHT_MASK);
+      if (m & LIT) {
+	 glEnable(GL_LIGHTING);
+	 glDisable(GL_TEXTURE_GEN_S);
+	 glDisable(GL_TEXTURE_GEN_T);
+	 glDisable(GL_TEXTURE_2D);
+      }
+      else if (m & UNLIT) {
+	 glDisable(GL_LIGHTING);
+	 glDisable(GL_TEXTURE_GEN_S);
+	 glDisable(GL_TEXTURE_GEN_T);
+	 glDisable(GL_TEXTURE_2D);
+      }
+      else if (m & REFLECT) {
+	 glDisable(GL_LIGHTING);
+	 glEnable(GL_TEXTURE_GEN_S);
+	 glEnable(GL_TEXTURE_GEN_T);
+	 glEnable(GL_TEXTURE_2D);
+      }
+   }
+
+   if (CHANGED(state, m, SHADE_MASK)) {
+      UPDATE(state, m, SHADE_MASK);
+      if (m & SHADE_SMOOTH)
+	 glShadeModel(GL_SMOOTH);
+      else
+	 glShadeModel(GL_FLAT);
+   }
+
+
+   if (CHANGED(state, m, CLIP_MASK)) {
+      UPDATE(state, m, CLIP_MASK);
+      if (m & USER_CLIP) {
+	 glEnable(GL_CLIP_PLANE0);
+      } else {
+	 glDisable(GL_CLIP_PLANE0);
+      }
+   }
+
+   if (CHANGED(state, m, FOG_MASK)) {
+      UPDATE(state, m, FOG_MASK);
+      if (m & FOG) {
+	 glEnable(GL_FOG);
+      }
+      else {
+	 glDisable(GL_FOG);
+      }
+   }
+
+   if (CHANGED(state, m, STIPPLE_MASK)) {
+      UPDATE(state, m, STIPPLE_MASK);
+      if (m & STIPPLE) {
+	 glEnable(GL_POLYGON_STIPPLE);
+      }
+      else {
+	 glDisable(GL_POLYGON_STIPPLE);
+      }
+   }
+
+   if (CHANGED(state, m, POLYGON_MASK)) {
+      UPDATE(state, m, POLYGON_MASK);
+      if (m & POLYGON_FILL) {
+	 glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
+      }
+      else {
+	 glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
+      }
+   }
+
+#ifdef GL_EXT_vertex_array
+   if (CHANGED(state, m, (LOCK_MASK|RENDER_STYLE_MASK|PRIMITIVE_MASK)))
+   {
+      if (m & (PRIMITIVE_MASK)) {
+	 UPDATE(state, m, (PRIMITIVE_MASK));
+      }
+
+      if (m & (RENDER_STYLE_MASK)) {
+	 UPDATE(state, m, (RENDER_STYLE_MASK));
+      }
+
+      if (m & LOCK_MASK) {
+	 UPDATE(state, m, (LOCK_MASK));
+      }
+
+
+      print_flags("primitive", state & PRIMITIVE_MASK);
+      print_flags("render style", state & RENDER_STYLE_MASK);
+
+      if ((state & PRIMITIVE_MASK) != STRIPS &&
+	  ((state & RENDER_STYLE_MASK) == DRAW_ELTS ||
+	   (state & RENDER_STYLE_MASK) == ARRAY_ELT || 
+	   (state & PRIMITIVE_MASK) == POINTS))
+      {
+	 fprintf(stderr, "enabling small arrays\n");
+	 /* Rendering any primitive with draw-element/array-element
+	  *  --> Can't do strips here as ordering has been lost in
+	  *  compaction process...
+	  */
+	 glVertexPointerEXT( 3, GL_FLOAT, sizeof(data[0]), numuniq,
+			     compressed_data );
+	 glNormalPointerEXT( GL_FLOAT, sizeof(data[0]), numuniq,
+			     &compressed_data[0][3]);
+#ifdef GL_EXT_compiled_vertex_array
+	 if (allowed & LOCKED) {
+	    if (state & LOCKED) {
+	       glLockArraysEXT( 0, numuniq );
+	    } else {
+	       glUnlockArraysEXT();
+	    }
+	 }
+#endif
+      }
+      else if ((state & PRIMITIVE_MASK) == TRIANGLES &&
+	       (state & RENDER_STYLE_MASK) == DRAW_ARRAYS) {
+	 fprintf(stderr, "enabling big arrays\n");
+	 /* Only get here for TRIANGLES and drawarrays
+	  */
+	 glVertexPointerEXT( 3, GL_FLOAT, sizeof(data[0]), (numverts-2) * 3,
+			     expanded_data );
+	 glNormalPointerEXT( GL_FLOAT, sizeof(data[0]), (numverts-2) * 3,
+			     &expanded_data[0][3]);
+
+#ifdef GL_EXT_compiled_vertex_array
+	 if (allowed & LOCKED) {
+	    if (state & LOCKED) {
+	       glLockArraysEXT( 0, (numverts-2)*3 );
+	    } else {
+	       glUnlockArraysEXT();
+	    }
+	 }
+#endif
+      }
+      else {
+	 fprintf(stderr, "enabling normal arrays\n");
+	 glVertexPointerEXT( 3, GL_FLOAT, sizeof(data[0]), numverts, data );
+	 glNormalPointerEXT( GL_FLOAT, sizeof(data[0]), numverts, &data[0][3]);
+#ifdef GL_EXT_compiled_vertex_array
+	 if (allowed & LOCKED) {
+	    if (state & LOCKED) {
+	       glLockArraysEXT( 0, numverts );
+	    } else {
+	       glUnlockArraysEXT();
+	    }
+	 }
+#endif
+      }
+
+   }
+#endif
+
+
+   if (m & DLIST_MASK) {
+      UPDATE(state, m, DLIST_MASK);
+   }
+
+   if (m & MATERIAL_MASK) {
+      UPDATE(state, m, MATERIAL_MASK);
+   }
+
+   print_flags("new flags", state);
+
+   glutPostRedisplay();
+}
+
+
+
+static void Init(int argc, char *argv[])
+{
+   GLfloat fogColor[4] = {0.5,1.0,0.5,1.0};
+
+   xrot = 0;
+   yrot = 0;
+   dist = -6;
+   plane[0] = 1.0;
+   plane[1] = 0.0;
+   plane[2] = -1.0;
+   plane[3] = 0.0;
+
+   glClearColor(0.0, 0.0, 1.0, 0.0);
+   glEnable( GL_DEPTH_TEST );
+   glEnable( GL_VERTEX_ARRAY_EXT );
+   glEnable( GL_NORMAL_ARRAY_EXT );
+
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glFrustum( -1.0, 1.0, -1.0, 1.0, 5, 25 );
+
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glClipPlane(GL_CLIP_PLANE0, plane);
+
+   InitMaterials();
+
+   set_matrix();
+
+   glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+   glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST);
+
+   glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);
+   glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);
+
+
+   /* Green fog is easy to see */
+   glFogi(GL_FOG_MODE,GL_EXP2);
+   glFogfv(GL_FOG_COLOR,fogColor);
+   glFogf(GL_FOG_DENSITY,0.15);
+   glHint(GL_FOG_HINT,GL_DONT_CARE);
+
+   {
+      static int firsttime = 1;
+      if (firsttime) {
+	 firsttime = 0;
+	 compactify_arrays();
+	 expand_arrays();
+	 make_tri_indices();
+
+	 if (!LoadRGBMipmaps(TEXTURE_FILE, GL_RGB)) {
+	    printf("Error: couldn't load texture image\n");
+	    exit(1);
+	 }
+      }
+   }
+
+   ModeMenu(SHADE_SMOOTH|
+	    LIT|
+	    POINT_FILTER|
+	    NO_USER_CLIP|
+	    NO_MATERIALS|
+	    NO_FOG|
+	    NO_STIPPLE|
+	    IMMEDIATE|
+	    STRIPS|
+	    UNLOCKED|
+	    GLVERTEX);
+
+   if (PrintInfo) {
+      printf("GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+      printf("GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+      printf("GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+      printf("GL_EXTENSIONS = %s\n", (char *) glGetString(GL_EXTENSIONS));
+   }
+}
+
+
+
+static void Reshape(int width, int height)
+{
+    glViewport(0, 0, (GLint)width, (GLint)height);
+}
+
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+   case 27:
+      exit(0);
+   case 'f':
+      ModeMenu((state ^ FOG_MASK) & FOG_MASK);
+      break;
+   case 's':
+      ModeMenu((state ^ SHADE_MASK) & SHADE_MASK);
+      break;
+   case 't':
+      ModeMenu((state ^ STIPPLE_MASK) & STIPPLE_MASK);
+      break;
+   case 'l':
+      ModeMenu((state ^ LIGHT_MASK) & (LIT|UNLIT));
+      break;
+   case 'm':
+      ModeMenu((state ^ MATERIAL_MASK) & MATERIAL_MASK);
+      break;
+   case 'c':
+      ModeMenu((state ^ CLIP_MASK) & CLIP_MASK);
+      break;
+   case 'v':
+      ModeMenu((LOCKED|IMMEDIATE|DRAW_ELTS|TRIANGLES) & allowed);
+      break;
+   case 'V':
+      ModeMenu(UNLOCKED|IMMEDIATE|GLVERTEX|STRIPS);
+      break;
+   case 'b':
+      Benchmark(5.0, 0);
+      break;
+   case 'B':
+      Benchmark(0, 5.0);
+      break;
+   case 'i':
+      dist += .25;
+      set_matrix();
+      glutPostRedisplay();
+      break;
+   case 'I':
+      dist -= .25;
+      set_matrix();
+      glutPostRedisplay();
+      break;
+   case '-':
+   case '_':
+      plane[3] += 2.0;
+      glMatrixMode(GL_MODELVIEW);
+      glLoadIdentity();
+      glClipPlane(GL_CLIP_PLANE0, plane);
+      set_matrix();
+      glutPostRedisplay();
+      break;
+   case '+':
+   case '=':
+      plane[3] -= 2.0;
+      glMatrixMode(GL_MODELVIEW);
+      glLoadIdentity();
+      glClipPlane(GL_CLIP_PLANE0, plane);
+      set_matrix();
+      glutPostRedisplay();
+      break;
+   case ' ':
+      Init(0,0);
+      break;
+   }
+}
+
+
+static void SpecialKey( int key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+   case GLUT_KEY_LEFT:
+      yrot -= 15.0;
+      break;
+   case GLUT_KEY_RIGHT:
+      yrot += 15.0;
+      break;
+   case GLUT_KEY_UP:
+      xrot += 15.0;
+      break;
+   case GLUT_KEY_DOWN:
+      xrot -= 15.0;
+      break;
+   default:
+      return;
+   }
+   set_matrix();
+   glutPostRedisplay();
+}
+
+
+
+static GLint Args(int argc, char **argv)
+{
+   GLint i;
+   GLint mode = 0;
+
+   for (i = 1; i < argc; i++) {
+      if (strcmp(argv[i], "-sb") == 0) {
+         doubleBuffer = GL_FALSE;
+      }
+      else if (strcmp(argv[i], "-db") == 0) {
+         doubleBuffer = GL_TRUE;
+      }
+      else if (strcmp(argv[i], "-info") == 0) {
+         PrintInfo = GL_TRUE;
+      }
+      else if (strcmp(argv[i], "-10") == 0) {
+         maxverts = 10;
+      }
+      else if (strcmp(argv[i], "-100") == 0) {
+	 maxverts = 100;
+      }
+      else if (strcmp(argv[i], "-1000") == 0) {
+	 maxverts = 1000;
+      }
+      else {
+         printf("%s (Bad option).\n", argv[i]);
+	 return QUIT;
+      }
+   }
+
+   return mode;
+}
+
+int main(int argc, char **argv)
+{
+   GLenum type;
+   char *extensions;
+
+   GLuint arg_mode = Args(argc, argv);
+
+   if (arg_mode & QUIT)
+      exit(0);
+
+   read_surface( "isosurf.dat" );
+
+   glutInitWindowPosition(0, 0);
+   glutInitWindowSize(400, 400);
+
+   type = GLUT_DEPTH;
+   type |= GLUT_RGB;
+   type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+   glutInitDisplayMode(type);
+
+   if (glutCreateWindow("Isosurface") <= 0) {
+      exit(0);
+   }
+
+   /* Make sure server supports the vertex array extension */
+   extensions = (char *) glGetString( GL_EXTENSIONS );
+
+   if (!strstr( extensions, "GL_EXT_vertex_array" ))
+   {
+      printf("Vertex arrays not supported by this renderer\n");
+      allowed &= ~(LOCKED|DRAW_ARRAYS|DRAW_ELTS|ARRAY_ELT);
+   }
+   else if (!strstr( extensions, "GL_EXT_compiled_vertex_array" ))
+   {
+      printf("Compiled vertex arrays not supported by this renderer\n");
+      allowed &= ~LOCKED;
+   }
+
+   Init(argc, argv);
+   ModeMenu(arg_mode);
+
+   glutCreateMenu(ModeMenu);
+   glutAddMenuEntry("GL info",               GLINFO);
+   glutAddMenuEntry("", 0);
+   glutAddMenuEntry("Lit",                   LIT);
+   glutAddMenuEntry("Unlit",                 UNLIT);
+   glutAddMenuEntry("Reflect",               REFLECT);
+   glutAddMenuEntry("", 0);
+   glutAddMenuEntry("Smooth",                SHADE_SMOOTH);
+   glutAddMenuEntry("Flat",                  SHADE_FLAT);
+   glutAddMenuEntry("", 0);
+   glutAddMenuEntry("Fog",                   FOG);
+   glutAddMenuEntry("No Fog",                NO_FOG);
+   glutAddMenuEntry("", 0);
+   glutAddMenuEntry("Stipple",               STIPPLE);
+   glutAddMenuEntry("No Stipple",            NO_STIPPLE);
+   glutAddMenuEntry("", 0);
+   glutAddMenuEntry("Polygon Mode Fill",     POLYGON_FILL);
+   glutAddMenuEntry("Polygon Mode Line",     POLYGON_LINE);
+   glutAddMenuEntry("", 0);
+   glutAddMenuEntry("Point Filtered",        POINT_FILTER);
+   glutAddMenuEntry("Linear Filtered",       LINEAR_FILTER);
+   glutAddMenuEntry("", 0);
+   glutAddMenuEntry("GL_TRIANGLES",          TRIANGLES);
+   glutAddMenuEntry("GL_TRIANGLE_STRIPS",    STRIPS);
+   glutAddMenuEntry("GL_POINTS",             POINTS);
+   glutAddMenuEntry("", 0);
+   glutAddMenuEntry("Displaylist",           DISPLAYLIST);
+   glutAddMenuEntry("Immediate",             IMMEDIATE);
+   glutAddMenuEntry("", 0);
+   if (allowed & LOCKED) {
+      glutAddMenuEntry("Locked Arrays (CVA)", LOCKED);
+      glutAddMenuEntry("Unlocked Arrays",     UNLOCKED);
+      glutAddMenuEntry("", 0);
+   }
+   glutAddMenuEntry("glVertex",               GLVERTEX);
+   if (allowed & DRAW_ARRAYS) {
+      glutAddMenuEntry("glDrawElements",      DRAW_ELTS);
+      glutAddMenuEntry("glDrawArrays",	      DRAW_ARRAYS);
+      glutAddMenuEntry("glArrayElement",      ARRAY_ELT);
+   }
+   glutAddMenuEntry("", 0);
+   glutAddMenuEntry("Quit",                   QUIT);
+   glutAttachMenu(GLUT_RIGHT_BUTTON);
+
+   glutReshapeFunc(Reshape);
+   glutKeyboardFunc(Key);
+   glutSpecialFunc(SpecialKey);
+   glutDisplayFunc(Display);
+
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/isosurf.dat b/nx-X11/extras/Mesa_6.4.2/progs/demos/isosurf.dat
new file mode 100644
index 000000000..5cadecdb4
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/isosurf.dat
@@ -0,0 +1,7179 @@
+-1.000000 0.050200 0.254800  0.280000 0.504000 0.808000
+-1.000000 0.061400 0.243900  0.248000 0.608000 0.744000
+-0.973900 0.050200 0.243900  0.312000 0.448000 0.832000
+-1.000000 0.100400 0.207000  0.040000 0.608000 0.784000
+-0.950000 0.050200 0.232900  0.312000 0.424000 0.840000
+-0.950000 0.100400 0.204500  0.176000 0.504000 0.840000
+-0.900000 0.050200 0.202100  0.368000 0.256000 0.888000
+-0.900000 0.100400 0.184100  0.296000 0.408000 0.856000
+-0.865600 0.050200 0.182900  0.480000 0.256000 0.832000
+-0.897500 0.100400 0.182900  0.392000 0.408000 0.816000
+-0.850000 0.050200 0.170400  0.488000 0.296000 0.816000
+-0.850000 0.100400 0.150400  0.488000 0.512000 0.696000
+-0.800000 0.050200 0.139800  0.504000 0.392000 0.760000
+-0.820700 0.100400 0.121900  0.496000 0.488000 0.704000
+-0.800000 0.077200 0.121900  0.512000 0.416000 0.744000
+-0.800000 0.100400 0.105500  0.480000 0.456000 0.736000
+-0.781300 0.050200 0.121900  0.536000 0.400000 0.736000
+-0.750000 0.100400 0.065100  0.488000 0.448000 0.736000
+-0.750000 0.050200 0.097600  0.464000 0.408000 0.776000
+-0.744800 0.100400 0.060900  0.496000 0.456000 0.728000
+-0.700000 0.050200 0.061900  0.536000 0.368000 0.752000
+-0.700000 0.051600 0.060900  0.528000 0.416000 0.728000
+-0.699000 0.050200 0.060900  0.608000 0.360000 0.696000
+-0.700000 0.100400 0.019100  0.504000 0.504000 0.688000
+-0.650000 0.050200 0.008200  0.568000 0.384000 0.720000
+-0.680200 0.100400 0.000000  0.600000 0.440000 0.656000
+-0.650000 0.063100 0.000000  0.592000 0.392000 0.696000
+-0.650000 0.100400 -0.043200  0.600000 0.608000 0.496000
+-0.641800 0.050200 0.000000  0.616000 0.400000 0.664000
+-0.638000 0.100400 -0.060900  0.672000 0.632000 0.368000
+-0.600000 0.050200 -0.054100  0.640000 0.448000 0.616000
+-0.600000 0.057600 -0.060900  0.728000 0.536000 0.408000
+-0.594700 0.050200 -0.060900  0.744000 0.504000 0.416000
+-0.600000 0.050200 -0.083400  0.800000 0.528000 -0.248000
+-0.573200 0.000000 -0.060900  0.920000 0.296000 -0.248000
+-0.600000 0.000000 -0.117700  0.848000 0.200000 -0.488000
+-0.554400 -0.050200 -0.060900  0.944000 0.280000 0.128000
+-0.600000 -0.008200 -0.121900  0.848000 0.208000 -0.472000
+-0.586600 -0.050200 -0.121900  0.872000 0.224000 -0.424000
+-0.600000 -0.050200 -0.162700  0.904000 0.232000 -0.344000
+-0.578300 -0.100400 -0.121900  0.848000 0.312000 -0.424000
+-0.600000 -0.077900 -0.182900  0.856000 0.208000 -0.464000
+-0.594100 -0.100400 -0.182900  0.816000 0.296000 -0.480000
+-0.600000 -0.100400 -0.193800  0.776000 0.296000 -0.544000
+-0.561800 -0.150600 -0.182900  0.544000 0.784000 -0.280000
+-0.600000 -0.150600 -0.229400  0.416000 0.744000 -0.512000
+-0.550000 -0.155500 -0.182900  0.296000 0.920000 -0.232000
+-0.600000 -0.160400 -0.243900  0.432000 0.688000 -0.576000
+-0.550000 -0.172700 -0.243900  0.008000 0.856000 -0.512000
+-0.600000 -0.200800 -0.299500  0.000000 0.872000 -0.480000
+-0.550000 -0.200800 -0.303600  -0.040000 0.880000 -0.464000
+-0.600000 -0.203400 -0.304800  0.008000 0.768000 -0.632000
+-0.550000 -0.201300 -0.304800  -0.032000 0.864000 -0.488000
+-0.600000 -0.251000 -0.360600  -0.120000 0.624000 -0.760000
+-0.550000 -0.245600 -0.365800  -0.104000 0.680000 -0.720000
+-0.576800 -0.251000 -0.365800  -0.136000 0.624000 -0.760000
+-0.550000 -0.251000 -0.371400  -0.120000 0.616000 -0.768000
+-0.600000 -0.256300 -0.365800  -0.112000 0.608000 -0.776000
+-0.550000 -0.301200 -0.401000  0.000000 0.424000 -0.904000
+-0.600000 -0.301200 -0.399100  0.008000 0.480000 -0.872000
+-0.550000 -0.349500 -0.426800  0.056000 0.416000 -0.904000
+-0.600000 -0.340300 -0.426800  0.032000 0.512000 -0.848000
+-0.600000 -0.301200 -0.399100  0.008000 0.480000 -0.872000
+-0.650000 -0.337200 -0.426800  0.016000 0.520000 -0.848000
+-0.650000 -0.301200 -0.398600  0.000000 0.528000 -0.840000
+-0.700000 -0.338200 -0.426800  -0.192000 0.592000 -0.776000
+-0.700000 -0.301200 -0.401600  0.016000 0.504000 -0.856000
+-0.736800 -0.351500 -0.426800  -0.240000 0.480000 -0.832000
+-0.750000 -0.301200 -0.392900  -0.104000 0.352000 -0.928000
+-0.750000 -0.351500 -0.422100  -0.312000 0.448000 -0.824000
+-0.800000 -0.301200 -0.380800  -0.264000 0.104000 -0.952000
+-0.800000 -0.351500 -0.388300  -0.664000 -0.152000 -0.728000
+-0.826000 -0.301200 -0.365800  -0.648000 -0.448000 -0.600000
+-0.812200 -0.351500 -0.365800  -0.856000 -0.296000 -0.408000
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diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/lodbias.c b/nx-X11/extras/Mesa_6.4.2/progs/demos/lodbias.c
new file mode 100644
index 000000000..a4db22e26
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/lodbias.c
@@ -0,0 +1,282 @@
+/*
+ * GL_EXT_texture_lod_bias demo
+ *
+ * Thanks to Michael Vance for implementing this extension in Mesa.
+ *
+ * Brian Paul
+ * 20 March 2000
+ *
+ * Copyright (C) 2000  Brian Paul   All Rights Reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+#include <assert.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <math.h>
+#include <GL/glut.h>
+#include <GL/glext.h>
+
+#include "readtex.h"
+
+#define TEXTURE_FILE "../images/girl.rgb"
+
+static GLfloat Xrot = 0, Yrot = -30, Zrot = 0;
+static GLboolean Anim = GL_TRUE;
+static GLint Bias = 0, BiasStepSign = +1; /* ints avoid fp precision problem */
+static GLint BiasMin = -400, BiasMax = 400;
+
+
+
+static void
+PrintString(const char *s)
+{
+   while (*s) {
+      glutBitmapCharacter(GLUT_BITMAP_8_BY_13, (int) *s);
+      s++;
+   }
+}
+
+static void Idle( void )
+{
+   static int lastTime = 0;
+   int time = glutGet(GLUT_ELAPSED_TIME);
+   int step;
+
+   if (lastTime == 0)
+      lastTime = time;
+   else if (time - lastTime < 10)
+      return;
+
+   step = (time - lastTime) / 10 * BiasStepSign;
+   lastTime = time;
+
+   Bias += step;
+   if (Bias < BiasMin) {
+      Bias = BiasMin;
+      BiasStepSign = +1;
+   }
+   else if (Bias > BiasMax) {
+      Bias = BiasMax;
+      BiasStepSign = -1;
+   }
+
+   glutPostRedisplay();
+}
+
+
+static void Display( void )
+{
+   char str[100];
+
+   glClear( GL_COLOR_BUFFER_BIT );
+
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glOrtho(-1, 1, -1, 1, -1, 1);
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   
+   glDisable(GL_TEXTURE_2D);
+   glColor3f(1,1,1);
+   glRasterPos3f(-0.9, -0.9, 0.0);
+   sprintf(str, "Texture LOD Bias = %4.1f", Bias * 0.01);
+   PrintString(str);
+
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glFrustum( -1.0, 1.0, -1.0, 1.0, 5.0, 25.0 );
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   glTranslatef( 0.0, 0.0, -8.0 );
+
+   glPushMatrix();
+   glRotatef(Xrot, 1, 0, 0);
+   glRotatef(Yrot, 0, 1, 0);
+   glRotatef(Zrot, 0, 0, 1);
+
+   glEnable(GL_TEXTURE_2D);
+   glTexEnvf(GL_TEXTURE_FILTER_CONTROL_EXT, GL_TEXTURE_LOD_BIAS_EXT, 0.01 * Bias);
+
+   glBegin(GL_POLYGON);
+   glTexCoord2f(0, 0);  glVertex2f(-1, -1);
+   glTexCoord2f(2, 0);  glVertex2f( 1, -1);
+   glTexCoord2f(2, 2);  glVertex2f( 1,  1);
+   glTexCoord2f(0, 2);  glVertex2f(-1,  1);
+   glEnd();
+
+   glPopMatrix();
+
+   glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+   glViewport( 0, 0, width, height );
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   const GLfloat step = 3.0;
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 'a':
+         Anim = !Anim;
+         if (Anim)
+            glutIdleFunc(Idle);
+         else
+            glutIdleFunc(NULL);
+         break;
+      case 'z':
+         Zrot -= step;
+         break;
+      case 'Z':
+         Zrot += step;
+         break;
+      case 'b':
+         Bias -= 10;
+         break;
+      case 'B':
+         Bias += 10;
+         break;
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void SpecialKey( int key, int x, int y )
+{
+   const GLfloat step = 3.0;
+   (void) x;
+   (void) y;
+   switch (key) {
+      case GLUT_KEY_UP:
+         Xrot -= step;
+         break;
+      case GLUT_KEY_DOWN:
+         Xrot += step;
+         break;
+      case GLUT_KEY_LEFT:
+         Yrot -= step;
+         break;
+      case GLUT_KEY_RIGHT:
+         Yrot += step;
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void Init( void )
+{
+   GLfloat maxBias;
+
+   if (!glutExtensionSupported("GL_EXT_texture_lod_bias")) {
+      printf("Sorry, GL_EXT_texture_lod_bias not supported by this renderer.\n");
+      exit(1);
+   }
+
+   glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+
+   if (glutExtensionSupported("GL_SGIS_generate_mipmap")) {
+      /* test auto mipmap generation */
+      GLint width, height, i;
+      GLenum format;
+      GLubyte *image = LoadRGBImage(TEXTURE_FILE, &width, &height, &format);
+      if (!image) {
+         printf("Error: could not load texture image %s\n", TEXTURE_FILE);
+         exit(1);
+      }
+      /* resize to 256 x 256 */
+      if (width != 256 || height != 256) {
+         GLubyte *newImage = malloc(256 * 256 * 4);
+         gluScaleImage(format, width, height, GL_UNSIGNED_BYTE, image,
+                       256, 256, GL_UNSIGNED_BYTE, newImage);
+         free(image);
+         image = newImage;
+      }
+      printf("Using GL_SGIS_generate_mipmap\n");
+      glTexParameteri(GL_TEXTURE_2D, GL_GENERATE_MIPMAP_SGIS, GL_TRUE);
+      glTexImage2D(GL_TEXTURE_2D, 0, format, 256, 256, 0,
+                   format, GL_UNSIGNED_BYTE, image);
+      free(image);
+
+      /* make sure mipmap was really generated correctly */
+      width = height = 256;
+      for (i = 0; i < 9; i++) {
+         GLint w, h;
+         glGetTexLevelParameteriv(GL_TEXTURE_2D, i, GL_TEXTURE_WIDTH, &w);
+         glGetTexLevelParameteriv(GL_TEXTURE_2D, i, GL_TEXTURE_HEIGHT, &h);
+         printf("Level %d size: %d x %d\n", i, w, h);
+         assert(w == width);
+         assert(h == height);
+         width /= 2;
+         height /= 2;
+      }
+
+   }
+   else if (!LoadRGBMipmaps(TEXTURE_FILE, GL_RGB)) {
+      printf("Error: could not load texture image %s\n", TEXTURE_FILE);
+      exit(1);
+   }
+
+   /* mipmapping required for this extension */
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+   glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+
+   glGetFloatv(GL_MAX_TEXTURE_LOD_BIAS_EXT, &maxBias);
+   printf("LOD bias range: [%g, %g]\n", -maxBias, maxBias);
+   BiasMin = -100 * maxBias;
+   BiasMax =  100 * maxBias;
+
+   /* Since we have (about) 8 mipmap levels, no need to bias beyond
+    * the range [-1, +8].
+    */
+   if (BiasMin < -100)
+      BiasMin = -100;
+   if (BiasMax > 800)
+      BiasMax = 800;
+}
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( 350, 350 );
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
+   glutCreateWindow(argv[0]);
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutSpecialFunc( SpecialKey );
+   glutDisplayFunc( Display );
+   if (Anim)
+      glutIdleFunc(Idle);
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/morph3d.c b/nx-X11/extras/Mesa_6.4.2/progs/demos/morph3d.c
new file mode 100644
index 000000000..047d571c7
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/morph3d.c
@@ -0,0 +1,886 @@
+
+/*-
+ * morph3d.c - Shows 3D morphing objects
+ *
+ * Converted to GLUT by brianp on 1/1/98
+ *
+ * This program was inspired on a WindowsNT(R)'s screen saver. It was written 
+ * from scratch and it was not based on any other source code. 
+ * 
+ * Porting it to xlock (the final objective of this code since the moment I
+ * decided to create it) was possible by comparing the original Mesa's gear
+ * demo with it's ported version, so thanks for Danny Sung for his indirect
+ * help (look at gear.c in xlock source tree). NOTE: At the moment this code
+ * was sent to Brian Paul for package inclusion, the XLock Version was not
+ * available. In fact, I'll wait it to appear on the next Mesa release (If you
+ * are reading this, it means THIS release) to send it for xlock package 
+ * inclusion). It will probably there be a GLUT version too.
+ *
+ * Thanks goes also to Brian Paul for making it possible and inexpensive
+ * to use OpenGL at home.
+ *
+ * Since I'm not a native english speaker, my apologies for any gramatical
+ * mistake.
+ *
+ * My e-mail addresses are
+ *
+ * vianna@cat.cbpf.br 
+ *         and
+ * marcelo@venus.rdc.puc-rio.br
+ *
+ * Marcelo F. Vianna (Feb-13-1997)
+ */
+
+/*
+This document is VERY incomplete, but tries to describe the mathematics used
+in the program. At this moment it just describes how the polyhedra are 
+generated. On futhurer versions, this document will be probabbly improved.
+
+Since I'm not a native english speaker, my apologies for any gramatical
+mistake.
+
+Marcelo Fernandes Vianna 
+- Undergraduate in Computer Engeneering at Catholic Pontifical University
+- of Rio de Janeiro (PUC-Rio) Brasil.
+- e-mail: vianna@cat.cbpf.br or marcelo@venus.rdc.puc-rio.br
+- Feb-13-1997
+
+POLYHEDRA GENERATION
+
+For the purpose of this program it's not sufficient to know the polyhedra
+vertexes coordinates. Since the morphing algorithm applies a nonlinear 
+transformation over the surfaces (faces) of the polyhedron, each face has
+to be divided into smaller ones. The morphing algorithm needs to transform 
+each vertex of these smaller faces individually. It's a very time consoming
+task.
+
+In order to reduce calculation overload, and since all the macro faces of
+the polyhedron are transformed by the same way, the generation is made by 
+creating only one face of the polyhedron, morphing it and then rotating it
+around the polyhedron center. 
+
+What we need to know is the face radius of the polyhedron (the radius of 
+the inscribed sphere) and the angle between the center of two adjacent 
+faces using the center of the sphere as the angle's vertex.
+
+The face radius of the regular polyhedra are known values which I decided
+to not waste my time calculating. Following is a table of face radius for
+the regular polyhedra with edge length = 1:
+
+    TETRAHEDRON  : 1/(2*sqrt(2))/sqrt(3)
+    CUBE	 : 1/2
+    OCTAHEDRON   : 1/sqrt(6)
+    DODECAHEDRON : T^2 * sqrt((T+2)/5) / 2     -> where T=(sqrt(5)+1)/2
+    ICOSAHEDRON  : (3*sqrt(3)+sqrt(15))/12
+
+I've not found any reference about the mentioned angles, so I needed to
+calculate them, not a trivial task until I figured out how :)
+Curiously these angles are the same for the tetrahedron and octahedron.
+A way to obtain this value is inscribing the tetrahedron inside the cube
+by matching their vertexes. So you'll notice that the remaining unmatched
+vertexes are in the same straight line starting in the cube/tetrahedron
+center and crossing the center of each tetrahedron's face. At this point
+it's easy to obtain the bigger angle of the isosceles triangle formed by
+the center of the cube and two opposite vertexes on the same cube face.
+The edges of this triangle have the following lenghts: sqrt(2) for the base
+and sqrt(3)/2 for the other two other edges. So the angle we want is:
+     +-----------------------------------------------------------+
+     | 2*ARCSIN(sqrt(2)/sqrt(3)) = 109.47122063449069174 degrees |
+     +-----------------------------------------------------------+
+For the cube this angle is obvious, but just for formality it can be
+easily obtained because we also know it's isosceles edge lenghts:
+sqrt(2)/2 for the base and 1/2 for the other two edges. So the angle we 
+want is:
+     +-----------------------------------------------------------+
+     | 2*ARCSIN((sqrt(2)/2)/1)   = 90.000000000000000000 degrees |
+     +-----------------------------------------------------------+
+For the octahedron we use the same idea used for the tetrahedron, but now
+we inscribe the cube inside the octahedron so that all cubes's vertexes
+matches excatly the center of each octahedron's face. It's now clear that
+this angle is the same of the thetrahedron one:
+     +-----------------------------------------------------------+
+     | 2*ARCSIN(sqrt(2)/sqrt(3)) = 109.47122063449069174 degrees |
+     +-----------------------------------------------------------+
+For the dodecahedron it's a little bit harder because it's only relationship
+with the cube is useless to us. So we need to solve the problem by another
+way. The concept of Face radius also exists on 2D polygons with the name
+Edge radius:
+  Edge Radius For Pentagon (ERp)
+  ERp = (1/2)/TAN(36 degrees) * VRp = 0.6881909602355867905
+  (VRp is the pentagon's vertex radio).
+  Face Radius For Dodecahedron
+  FRd = T^2 * sqrt((T+2)/5) / 2 = 1.1135163644116068404
+Why we need ERp? Well, ERp and FRd segments forms a 90 degrees angle, 
+completing this triangle, the lesser angle is a half of the angle we are 
+looking for, so this angle is:
+     +-----------------------------------------------------------+
+     | 2*ARCTAN(ERp/FRd)	 = 63.434948822922009981 degrees |
+     +-----------------------------------------------------------+
+For the icosahedron we can use the same method used for dodecahedron (well
+the method used for dodecahedron may be used for all regular polyhedra)
+  Edge Radius For Triangle (this one is well known: 1/3 of the triangle height)
+  ERt = sin(60)/3 = sqrt(3)/6 = 0.2886751345948128655
+  Face Radius For Icosahedron
+  FRi= (3*sqrt(3)+sqrt(15))/12 = 0.7557613140761707538
+So the angle is:
+     +-----------------------------------------------------------+
+     | 2*ARCTAN(ERt/FRi)	 = 41.810314895778596167 degrees |
+     +-----------------------------------------------------------+
+
+*/
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#ifndef _WIN32
+#include <unistd.h>
+#endif
+#include <GL/glut.h>
+#include <math.h>
+#include <string.h>
+
+#define Scale                      0.3
+
+#define VectMul(X1,Y1,Z1,X2,Y2,Z2) (Y1)*(Z2)-(Z1)*(Y2),(Z1)*(X2)-(X1)*(Z2),(X1)*(Y2)-(Y1)*(X2)
+#define sqr(A)                     ((A)*(A))
+
+/* Increasing this values produces better image quality, the price is speed. */
+/* Very low values produces erroneous/incorrect plotting */
+#define tetradivisions             23
+#define cubedivisions              20
+#define octadivisions              21
+#define dodecadivisions            10
+#define icodivisions               15
+
+#define tetraangle                 109.47122063449069174
+#define cubeangle                  90.000000000000000000
+#define octaangle                  109.47122063449069174
+#define dodecaangle                63.434948822922009981
+#define icoangle                   41.810314895778596167
+
+#ifndef Pi
+#define Pi                         3.1415926535897932385
+#endif
+#define SQRT2                      1.4142135623730951455
+#define SQRT3                      1.7320508075688771932
+#define SQRT5                      2.2360679774997898051
+#define SQRT6                      2.4494897427831778813
+#define SQRT15                     3.8729833462074170214
+#define cossec36_2                 0.8506508083520399322
+#define cos72                      0.3090169943749474241
+#define sin72                      0.9510565162951535721
+#define cos36                      0.8090169943749474241
+#define sin36                      0.5877852522924731292
+
+/*************************************************************************/
+
+static int       mono=0;
+static int       smooth=1;
+static GLint     WindH, WindW;
+static GLfloat   step=0;
+static GLfloat   seno;
+static int       object;
+static int       edgedivisions;
+static void      (*draw_object)( void );
+static float     Magnitude;
+static float     *MaterialColor[20];
+
+static float front_shininess[] =   {60.0};
+static float front_specular[]  =   { 0.7, 0.7, 0.7, 1.0 };
+static float ambient[]         =   { 0.0, 0.0, 0.0, 1.0 };
+static float diffuse[]         =   { 1.0, 1.0, 1.0, 1.0 };
+static float position0[]       =   { 1.0, 1.0, 1.0, 0.0 };
+static float position1[]       =   {-1.0,-1.0, 1.0, 0.0 };
+static float lmodel_ambient[]  =   { 0.5, 0.5, 0.5, 1.0 };
+static float lmodel_twoside[]  =   {GL_TRUE};
+
+static float MaterialRed[]     =   { 0.7, 0.0, 0.0, 1.0 };
+static float MaterialGreen[]   =   { 0.1, 0.5, 0.2, 1.0 };
+static float MaterialBlue[]    =   { 0.0, 0.0, 0.7, 1.0 };
+static float MaterialCyan[]    =   { 0.2, 0.5, 0.7, 1.0 };
+static float MaterialYellow[]  =   { 0.7, 0.7, 0.0, 1.0 };
+static float MaterialMagenta[] =   { 0.6, 0.2, 0.5, 1.0 };
+static float MaterialWhite[]   =   { 0.7, 0.7, 0.7, 1.0 };
+static float MaterialGray[]    =   { 0.2, 0.2, 0.2, 1.0 };
+
+#define TRIANGLE(Edge, Amp, Divisions, Z)                                                                        \
+{                                                                                                                \
+  GLfloat   Xf,Yf,Xa,Yb,Xf2,Yf2;                                                                                 \
+  GLfloat   Factor,Factor1,Factor2;                                                                              \
+  GLfloat   VertX,VertY,VertZ,NeiAX,NeiAY,NeiAZ,NeiBX,NeiBY,NeiBZ;                                               \
+  GLfloat   Ax,Ay,Bx;                                                                                            \
+  int       Ri,Ti;                                                                                               \
+  GLfloat   Vr=(Edge)*SQRT3/3;                                                                                   \
+  GLfloat   AmpVr2=(Amp)/sqr(Vr);                                                                                \
+  GLfloat   Zf=(Edge)*(Z);                                                                                       \
+                                                                                                                 \
+  Ax=(Edge)*(+0.5/(Divisions)), Ay=(Edge)*(-SQRT3/(2*Divisions));                                                \
+  Bx=(Edge)*(-0.5/(Divisions));                                                                                  \
+                                                                                                                 \
+  for (Ri=1; Ri<=(Divisions); Ri++) {                                                                            \
+    glBegin(GL_TRIANGLE_STRIP);                                                                                  \
+    for (Ti=0; Ti<Ri; Ti++) {                                                                                    \
+      Xf=(float)(Ri-Ti)*Ax + (float)Ti*Bx;                                                                       \
+      Yf=Vr+(float)(Ri-Ti)*Ay + (float)Ti*Ay;                                                                    \
+      Xa=Xf+0.001; Yb=Yf+0.001;                                                                                  \
+      Factor=1-(((Xf2=sqr(Xf))+(Yf2=sqr(Yf)))*AmpVr2);                                                           \
+      Factor1=1-((sqr(Xa)+Yf2)*AmpVr2);                                                                          \
+      Factor2=1-((Xf2+sqr(Yb))*AmpVr2);                                                                          \
+      VertX=Factor*Xf;        VertY=Factor*Yf;        VertZ=Factor*Zf;                                           \
+      NeiAX=Factor1*Xa-VertX; NeiAY=Factor1*Yf-VertY; NeiAZ=Factor1*Zf-VertZ;                                    \
+      NeiBX=Factor2*Xf-VertX; NeiBY=Factor2*Yb-VertY; NeiBZ=Factor2*Zf-VertZ;                                    \
+      glNormal3f(VectMul(NeiAX, NeiAY, NeiAZ, NeiBX, NeiBY, NeiBZ));                                             \
+      glVertex3f(VertX, VertY, VertZ);                                                                           \
+                                                                                                                 \
+      Xf=(float)(Ri-Ti-1)*Ax + (float)Ti*Bx;                                                                     \
+      Yf=Vr+(float)(Ri-Ti-1)*Ay + (float)Ti*Ay;                                                                  \
+      Xa=Xf+0.001; Yb=Yf+0.001;                                                                                  \
+      Factor=1-(((Xf2=sqr(Xf))+(Yf2=sqr(Yf)))*AmpVr2);                                                           \
+      Factor1=1-((sqr(Xa)+Yf2)*AmpVr2);                                                                          \
+      Factor2=1-((Xf2+sqr(Yb))*AmpVr2);                                                                          \
+      VertX=Factor*Xf;        VertY=Factor*Yf;        VertZ=Factor*Zf;                                           \
+      NeiAX=Factor1*Xa-VertX; NeiAY=Factor1*Yf-VertY; NeiAZ=Factor1*Zf-VertZ;                                    \
+      NeiBX=Factor2*Xf-VertX; NeiBY=Factor2*Yb-VertY; NeiBZ=Factor2*Zf-VertZ;                                    \
+      glNormal3f(VectMul(NeiAX, NeiAY, NeiAZ, NeiBX, NeiBY, NeiBZ));                                             \
+      glVertex3f(VertX, VertY, VertZ);                                                                           \
+                                                                                                                 \
+    }                                                                                                            \
+    Xf=(float)Ri*Bx;                                                                                             \
+    Yf=Vr+(float)Ri*Ay;                                                                                          \
+    Xa=Xf+0.001; Yb=Yf+0.001;                                                                                    \
+    Factor=1-(((Xf2=sqr(Xf))+(Yf2=sqr(Yf)))*AmpVr2);                                                             \
+    Factor1=1-((sqr(Xa)+Yf2)*AmpVr2);                                                                            \
+    Factor2=1-((Xf2+sqr(Yb))*AmpVr2);                                                                            \
+    VertX=Factor*Xf;        VertY=Factor*Yf;        VertZ=Factor*Zf;                                             \
+    NeiAX=Factor1*Xa-VertX; NeiAY=Factor1*Yf-VertY; NeiAZ=Factor1*Zf-VertZ;                                      \
+    NeiBX=Factor2*Xf-VertX; NeiBY=Factor2*Yb-VertY; NeiBZ=Factor2*Zf-VertZ;                                      \
+    glNormal3f(VectMul(NeiAX, NeiAY, NeiAZ, NeiBX, NeiBY, NeiBZ));                                               \
+    glVertex3f(VertX, VertY, VertZ);                                                                             \
+    glEnd();                                                                                                     \
+  }                                                                                                              \
+}
+
+#define SQUARE(Edge, Amp, Divisions, Z)                                                                          \
+{                                                                                                                \
+  int       Xi,Yi;                                                                                               \
+  GLfloat   Xf,Yf,Y,Xf2,Yf2,Y2,Xa,Yb;                                                                            \
+  GLfloat   Factor,Factor1,Factor2;                                                                              \
+  GLfloat   VertX,VertY,VertZ,NeiAX,NeiAY,NeiAZ,NeiBX,NeiBY,NeiBZ;                                               \
+  GLfloat   Zf=(Edge)*(Z);                                                                                       \
+  GLfloat   AmpVr2=(Amp)/sqr((Edge)*SQRT2/2);                                                                    \
+                                                                                                                 \
+  for (Yi=0; Yi<(Divisions); Yi++) {                                                                             \
+    Yf=-((Edge)/2.0) + ((float)Yi)/(Divisions)*(Edge);                                                           \
+    Yf2=sqr(Yf);                                                                                                 \
+    Y=Yf+1.0/(Divisions)*(Edge);                                                                                 \
+    Y2=sqr(Y);                                                                                                   \
+    glBegin(GL_QUAD_STRIP);                                                                                      \
+    for (Xi=0; Xi<=(Divisions); Xi++) {                                                                          \
+      Xf=-((Edge)/2.0) + ((float)Xi)/(Divisions)*(Edge);                                                         \
+      Xf2=sqr(Xf);                                                                                               \
+                                                                                                                 \
+      Xa=Xf+0.001; Yb=Y+0.001;                                                                                   \
+      Factor=1-((Xf2+Y2)*AmpVr2);                                                                                \
+      Factor1=1-((sqr(Xa)+Y2)*AmpVr2);                                                                           \
+      Factor2=1-((Xf2+sqr(Yb))*AmpVr2);                                                                          \
+      VertX=Factor*Xf;        VertY=Factor*Y;         VertZ=Factor*Zf;                                           \
+      NeiAX=Factor1*Xa-VertX; NeiAY=Factor1*Y-VertY;  NeiAZ=Factor1*Zf-VertZ;                                    \
+      NeiBX=Factor2*Xf-VertX; NeiBY=Factor2*Yb-VertY; NeiBZ=Factor2*Zf-VertZ;                                    \
+      glNormal3f(VectMul(NeiAX, NeiAY, NeiAZ, NeiBX, NeiBY, NeiBZ));                                             \
+      glVertex3f(VertX, VertY, VertZ);                                                                           \
+                                                                                                                 \
+      Xa=Xf+0.001; Yb=Yf+0.001;                                                                                  \
+      Factor=1-((Xf2+Yf2)*AmpVr2);                                                                               \
+      Factor1=1-((sqr(Xa)+Yf2)*AmpVr2);                                                                          \
+      Factor2=1-((Xf2+sqr(Yb))*AmpVr2);                                                                          \
+      VertX=Factor*Xf;        VertY=Factor*Yf;        VertZ=Factor*Zf;                                           \
+      NeiAX=Factor1*Xa-VertX; NeiAY=Factor1*Yf-VertY; NeiAZ=Factor1*Zf-VertZ;                                    \
+      NeiBX=Factor2*Xf-VertX; NeiBY=Factor2*Yb-VertY; NeiBZ=Factor2*Zf-VertZ;                                    \
+      glNormal3f(VectMul(NeiAX, NeiAY, NeiAZ, NeiBX, NeiBY, NeiBZ));                                             \
+      glVertex3f(VertX, VertY, VertZ);                                                                           \
+    }                                                                                                            \
+    glEnd();                                                                                                     \
+  }                                                                                                              \
+}
+
+#define PENTAGON(Edge, Amp, Divisions, Z)                                                                        \
+{                                                                                                                \
+  int       Ri,Ti,Fi;                                                                                            \
+  GLfloat   Xf,Yf,Xa,Yb,Xf2,Yf2;                                                                                 \
+  GLfloat   x[6],y[6];                                                                                           \
+  GLfloat   Factor,Factor1,Factor2;                                                                              \
+  GLfloat   VertX,VertY,VertZ,NeiAX,NeiAY,NeiAZ,NeiBX,NeiBY,NeiBZ;                                               \
+  GLfloat   Zf=(Edge)*(Z);                                                                                       \
+  GLfloat   AmpVr2=(Amp)/sqr((Edge)*cossec36_2);                                                                 \
+                                                                                                                 \
+  for(Fi=0;Fi<6;Fi++) {                                                                                          \
+    x[Fi]=-cos( Fi*2*Pi/5 + Pi/10 )/(Divisions)*cossec36_2*(Edge);                                                \
+    y[Fi]=sin( Fi*2*Pi/5 + Pi/10 )/(Divisions)*cossec36_2*(Edge);                                                \
+  }                                                                                                              \
+                                                                                                                 \
+  for (Ri=1; Ri<=(Divisions); Ri++) {                                                                            \
+    for (Fi=0; Fi<5; Fi++) {                                                                                     \
+      glBegin(GL_TRIANGLE_STRIP);                                                                                \
+      for (Ti=0; Ti<Ri; Ti++) {                                                                                  \
+        Xf=(float)(Ri-Ti)*x[Fi] + (float)Ti*x[Fi+1];                                                             \
+        Yf=(float)(Ri-Ti)*y[Fi] + (float)Ti*y[Fi+1];                                                             \
+        Xa=Xf+0.001; Yb=Yf+0.001;                                                                                \
+	Factor=1-(((Xf2=sqr(Xf))+(Yf2=sqr(Yf)))*AmpVr2);                                                         \
+	Factor1=1-((sqr(Xa)+Yf2)*AmpVr2);                                                                        \
+	Factor2=1-((Xf2+sqr(Yb))*AmpVr2);                                                                        \
+        VertX=Factor*Xf;        VertY=Factor*Yf;        VertZ=Factor*Zf;                                         \
+        NeiAX=Factor1*Xa-VertX; NeiAY=Factor1*Yf-VertY; NeiAZ=Factor1*Zf-VertZ;                                  \
+        NeiBX=Factor2*Xf-VertX; NeiBY=Factor2*Yb-VertY; NeiBZ=Factor2*Zf-VertZ;                                  \
+        glNormal3f(VectMul(NeiAX, NeiAY, NeiAZ, NeiBX, NeiBY, NeiBZ));                                           \
+	glVertex3f(VertX, VertY, VertZ);                                                                         \
+                                                                                                                 \
+        Xf=(float)(Ri-Ti-1)*x[Fi] + (float)Ti*x[Fi+1];                                                           \
+        Yf=(float)(Ri-Ti-1)*y[Fi] + (float)Ti*y[Fi+1];                                                           \
+        Xa=Xf+0.001; Yb=Yf+0.001;                                                                                \
+	Factor=1-(((Xf2=sqr(Xf))+(Yf2=sqr(Yf)))*AmpVr2);                                                         \
+	Factor1=1-((sqr(Xa)+Yf2)*AmpVr2);                                                                        \
+	Factor2=1-((Xf2+sqr(Yb))*AmpVr2);                                                                        \
+        VertX=Factor*Xf;        VertY=Factor*Yf;        VertZ=Factor*Zf;                                         \
+        NeiAX=Factor1*Xa-VertX; NeiAY=Factor1*Yf-VertY; NeiAZ=Factor1*Zf-VertZ;                                  \
+        NeiBX=Factor2*Xf-VertX; NeiBY=Factor2*Yb-VertY; NeiBZ=Factor2*Zf-VertZ;                                  \
+        glNormal3f(VectMul(NeiAX, NeiAY, NeiAZ, NeiBX, NeiBY, NeiBZ));                                           \
+	glVertex3f(VertX, VertY, VertZ);                                                                         \
+                                                                                                                 \
+      }                                                                                                          \
+      Xf=(float)Ri*x[Fi+1];                                                                                      \
+      Yf=(float)Ri*y[Fi+1];                                                                                      \
+      Xa=Xf+0.001; Yb=Yf+0.001;                                                                                  \
+      Factor=1-(((Xf2=sqr(Xf))+(Yf2=sqr(Yf)))*AmpVr2);                                                           \
+      Factor1=1-((sqr(Xa)+Yf2)*AmpVr2);                                                                          \
+      Factor2=1-((Xf2+sqr(Yb))*AmpVr2);                                                                          \
+      VertX=Factor*Xf;        VertY=Factor*Yf;        VertZ=Factor*Zf;                                           \
+      NeiAX=Factor1*Xa-VertX; NeiAY=Factor1*Yf-VertY; NeiAZ=Factor1*Zf-VertZ;                                    \
+      NeiBX=Factor2*Xf-VertX; NeiBY=Factor2*Yb-VertY; NeiBZ=Factor2*Zf-VertZ;                                    \
+      glNormal3f(VectMul(NeiAX, NeiAY, NeiAZ, NeiBX, NeiBY, NeiBZ));                                             \
+      glVertex3f(VertX, VertY, VertZ);                                                                           \
+      glEnd();                                                                                                   \
+    }                                                                                                            \
+  }                                                                                                              \
+}
+
+static void draw_tetra( void )
+{
+  GLuint list;
+
+  list = glGenLists( 1 );
+  glNewList( list, GL_COMPILE );
+  TRIANGLE(2,seno,edgedivisions,0.5/SQRT6);
+  glEndList();
+
+  glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[0]);
+  glCallList(list);
+  glPushMatrix();
+  glRotatef(180,0,0,1);
+  glRotatef(-tetraangle,1,0,0);
+  glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[1]);
+  glCallList(list);
+  glPopMatrix();
+  glPushMatrix();
+  glRotatef(180,0,1,0);
+  glRotatef(-180+tetraangle,0.5,SQRT3/2,0);
+  glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[2]);
+  glCallList(list);
+  glPopMatrix();
+  glRotatef(180,0,1,0);
+  glRotatef(-180+tetraangle,0.5,-SQRT3/2,0);
+  glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[3]);
+  glCallList(list);
+
+  glDeleteLists(list,1);
+}
+
+static void draw_cube( void )
+{
+  GLuint list;
+
+  list = glGenLists( 1 );
+  glNewList( list, GL_COMPILE );
+  SQUARE(2, seno, edgedivisions, 0.5)
+  glEndList();
+
+  glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[0]);
+  glCallList(list);
+  glRotatef(cubeangle,1,0,0);
+  glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[1]);
+  glCallList(list);
+  glRotatef(cubeangle,1,0,0);
+  glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[2]);
+  glCallList(list);
+  glRotatef(cubeangle,1,0,0);
+  glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[3]);
+  glCallList(list);
+  glRotatef(cubeangle,0,1,0);
+  glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[4]);
+  glCallList(list);
+  glRotatef(2*cubeangle,0,1,0);
+  glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[5]);
+  glCallList(list);
+
+  glDeleteLists(list,1);
+}
+
+static void draw_octa( void )
+{
+  GLuint list;
+
+  list = glGenLists( 1 );
+  glNewList( list, GL_COMPILE );
+  TRIANGLE(2,seno,edgedivisions,1/SQRT6);
+  glEndList();
+
+  glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[0]);
+  glCallList(list);
+  glPushMatrix();
+  glRotatef(180,0,0,1);
+  glRotatef(-180+octaangle,1,0,0);
+  glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[1]);
+  glCallList(list);
+  glPopMatrix();
+  glPushMatrix();
+  glRotatef(180,0,1,0);
+  glRotatef(-octaangle,0.5,SQRT3/2,0);
+  glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[2]);
+  glCallList(list);
+  glPopMatrix();
+  glPushMatrix();
+  glRotatef(180,0,1,0);
+  glRotatef(-octaangle,0.5,-SQRT3/2,0);
+  glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[3]);
+  glCallList(list);
+  glPopMatrix();
+  glRotatef(180,1,0,0);
+  glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[4]);
+  glCallList(list);
+  glPushMatrix();
+  glRotatef(180,0,0,1);
+  glRotatef(-180+octaangle,1,0,0);
+  glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[5]);
+  glCallList(list);
+  glPopMatrix();
+  glPushMatrix();
+  glRotatef(180,0,1,0);
+  glRotatef(-octaangle,0.5,SQRT3/2,0);
+  glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[6]);
+  glCallList(list);
+  glPopMatrix();
+  glRotatef(180,0,1,0);
+  glRotatef(-octaangle,0.5,-SQRT3/2,0);
+  glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[7]);
+  glCallList(list);
+
+  glDeleteLists(list,1);
+}
+
+static void draw_dodeca( void )
+{
+  GLuint list;
+
+#define TAU ((SQRT5+1)/2)
+
+  list = glGenLists( 1 );
+  glNewList( list, GL_COMPILE );
+  PENTAGON(1,seno,edgedivisions,sqr(TAU) * sqrt((TAU+2)/5) / 2);
+  glEndList();
+
+  glPushMatrix();
+  glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[0]);
+  glCallList(list);
+  glRotatef(180,0,0,1);
+  glPushMatrix();
+  glRotatef(-dodecaangle,1,0,0);
+  glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[1]);
+  glCallList(list);
+  glPopMatrix();
+  glPushMatrix();
+  glRotatef(-dodecaangle,cos72,sin72,0);
+  glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[2]);
+  glCallList(list);
+  glPopMatrix();
+  glPushMatrix();
+  glRotatef(-dodecaangle,cos72,-sin72,0);
+  glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[3]);
+  glCallList(list);
+  glPopMatrix();
+  glPushMatrix();
+  glRotatef(dodecaangle,cos36,-sin36,0);
+  glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[4]);
+  glCallList(list);
+  glPopMatrix();
+  glRotatef(dodecaangle,cos36,sin36,0);
+  glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[5]);
+  glCallList(list);
+  glPopMatrix();
+  glRotatef(180,1,0,0);
+  glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[6]);
+  glCallList(list);
+  glRotatef(180,0,0,1);
+  glPushMatrix();
+  glRotatef(-dodecaangle,1,0,0);
+  glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[7]);
+  glCallList(list);
+  glPopMatrix();
+  glPushMatrix();
+  glRotatef(-dodecaangle,cos72,sin72,0);
+  glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[8]);
+  glCallList(list);
+  glPopMatrix();
+  glPushMatrix();
+  glRotatef(-dodecaangle,cos72,-sin72,0);
+  glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[9]);
+  glCallList(list);
+  glPopMatrix();
+  glPushMatrix();
+  glRotatef(dodecaangle,cos36,-sin36,0);
+  glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[10]);
+  glCallList(list);
+  glPopMatrix();
+  glRotatef(dodecaangle,cos36,sin36,0);
+  glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[11]);
+  glCallList(list);
+
+  glDeleteLists(list,1);
+}
+
+static void draw_ico( void )
+{
+  GLuint list;
+
+  list = glGenLists( 1 );
+  glNewList( list, GL_COMPILE );
+  TRIANGLE(1.5,seno,edgedivisions,(3*SQRT3+SQRT15)/12);
+  glEndList();
+
+  glPushMatrix();
+
+  glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[0]);
+  glCallList(list);
+  glPushMatrix();
+  glRotatef(180,0,0,1);
+  glRotatef(-icoangle,1,0,0);
+  glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[1]);
+  glCallList(list);
+  glPushMatrix();
+  glRotatef(180,0,1,0);
+  glRotatef(-180+icoangle,0.5,SQRT3/2,0);
+  glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[2]);
+  glCallList(list);
+  glPopMatrix();
+  glRotatef(180,0,1,0);
+  glRotatef(-180+icoangle,0.5,-SQRT3/2,0);
+  glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[3]);
+  glCallList(list);
+  glPopMatrix();
+  glPushMatrix();
+  glRotatef(180,0,1,0);
+  glRotatef(-180+icoangle,0.5,SQRT3/2,0);
+  glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[4]);
+  glCallList(list);
+  glPushMatrix();
+  glRotatef(180,0,1,0);
+  glRotatef(-180+icoangle,0.5,SQRT3/2,0);
+  glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[5]);
+  glCallList(list);
+  glPopMatrix();
+  glRotatef(180,0,0,1);
+  glRotatef(-icoangle,1,0,0);
+  glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[6]);
+  glCallList(list);
+  glPopMatrix();
+  glRotatef(180,0,1,0);
+  glRotatef(-180+icoangle,0.5,-SQRT3/2,0);
+  glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[7]);
+  glCallList(list);
+  glPushMatrix();
+  glRotatef(180,0,1,0);
+  glRotatef(-180+icoangle,0.5,-SQRT3/2,0);
+  glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[8]);
+  glCallList(list);
+  glPopMatrix();
+  glRotatef(180,0,0,1);
+  glRotatef(-icoangle,1,0,0);
+  glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[9]);
+  glCallList(list);
+  glPopMatrix();
+  glRotatef(180,1,0,0);
+  glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[10]);
+  glCallList(list);
+  glPushMatrix();
+  glRotatef(180,0,0,1);
+  glRotatef(-icoangle,1,0,0);
+  glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[11]);
+  glCallList(list);
+  glPushMatrix();
+  glRotatef(180,0,1,0);
+  glRotatef(-180+icoangle,0.5,SQRT3/2,0);
+  glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[12]);
+  glCallList(list);
+  glPopMatrix();
+  glRotatef(180,0,1,0);
+  glRotatef(-180+icoangle,0.5,-SQRT3/2,0);
+  glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[13]);
+  glCallList(list);
+  glPopMatrix();
+  glPushMatrix();
+  glRotatef(180,0,1,0);
+  glRotatef(-180+icoangle,0.5,SQRT3/2,0);
+  glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[14]);
+  glCallList(list);
+  glPushMatrix();
+  glRotatef(180,0,1,0);
+  glRotatef(-180+icoangle,0.5,SQRT3/2,0);
+  glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[15]);
+  glCallList(list);
+  glPopMatrix();
+  glRotatef(180,0,0,1);
+  glRotatef(-icoangle,1,0,0);
+  glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[16]);
+  glCallList(list);
+  glPopMatrix();
+  glRotatef(180,0,1,0);
+  glRotatef(-180+icoangle,0.5,-SQRT3/2,0);
+  glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[17]);
+  glCallList(list);
+  glPushMatrix();
+  glRotatef(180,0,1,0);
+  glRotatef(-180+icoangle,0.5,-SQRT3/2,0);
+  glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[18]);
+  glCallList(list);
+  glPopMatrix();
+  glRotatef(180,0,0,1);
+  glRotatef(-icoangle,1,0,0);
+  glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialColor[19]);
+  glCallList(list);
+
+  glDeleteLists(list,1);
+}
+
+static void draw ( void ) {
+  static double t0 = -1.;
+  double dt, t = glutGet(GLUT_ELAPSED_TIME) / 1000.0;
+  if (t0 < 0.0)
+     t0 = t;
+  dt = t - t0;
+  t0 = t;
+
+  glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+  glPushMatrix();
+
+    glTranslatef( 0.0, 0.0, -10.0 );
+    glScalef( Scale*WindH/WindW, Scale, Scale );
+    glTranslatef(2.5*WindW/WindH*sin(step*1.11),2.5*cos(step*1.25*1.11),0);
+    glRotatef(step*100,1,0,0);
+    glRotatef(step*95,0,1,0);
+    glRotatef(step*90,0,0,1);
+
+  seno=(sin(step)+1.0/3.0)*(4.0/5.0)*Magnitude;
+
+  draw_object();
+
+  glPopMatrix();
+
+  glFlush();
+
+  glutSwapBuffers();
+
+  step += dt;
+}
+
+static void idle_( void )
+{
+   glutPostRedisplay();
+}
+
+static void reshape( int width, int height )
+{
+  glViewport(0, 0, WindW=(GLint)width, WindH=(GLint)height);
+  glMatrixMode(GL_PROJECTION);
+  glLoadIdentity();
+  glFrustum( -1.0, 1.0, -1.0, 1.0, 5.0, 15.0 );
+  glMatrixMode(GL_MODELVIEW);
+}
+
+static void pinit(void);
+
+static void key( unsigned char k, int x, int y )
+{
+  (void) x;
+  (void) y;
+  switch (k) {
+    case '1': object=1; break;
+    case '2': object=2; break;
+    case '3': object=3; break;
+    case '4': object=4; break;
+    case '5': object=5; break;
+    case ' ': mono^=1; break;
+    case 13: smooth^=1; break;
+    case 27:
+       exit(0);
+  }
+  pinit();
+}
+
+static void pinit(void)
+{
+  switch(object) {
+    case 1:
+      draw_object=draw_tetra;
+      MaterialColor[0]=MaterialRed;
+      MaterialColor[1]=MaterialGreen;
+      MaterialColor[2]=MaterialBlue;
+      MaterialColor[3]=MaterialWhite;
+      edgedivisions=tetradivisions;
+      Magnitude=2.5;
+      break;
+    case 2:
+      draw_object=draw_cube;
+      MaterialColor[0]=MaterialRed;
+      MaterialColor[1]=MaterialGreen;
+      MaterialColor[2]=MaterialCyan;
+      MaterialColor[3]=MaterialMagenta;
+      MaterialColor[4]=MaterialYellow;
+      MaterialColor[5]=MaterialBlue;
+      edgedivisions=cubedivisions;
+      Magnitude=2.0;
+      break;
+    case 3:
+      draw_object=draw_octa;
+      MaterialColor[0]=MaterialRed;
+      MaterialColor[1]=MaterialGreen;
+      MaterialColor[2]=MaterialBlue;
+      MaterialColor[3]=MaterialWhite;
+      MaterialColor[4]=MaterialCyan;
+      MaterialColor[5]=MaterialMagenta;
+      MaterialColor[6]=MaterialGray;
+      MaterialColor[7]=MaterialYellow;
+      edgedivisions=octadivisions;
+      Magnitude=2.5;
+      break;
+    case 4:
+      draw_object=draw_dodeca;
+      MaterialColor[ 0]=MaterialRed;
+      MaterialColor[ 1]=MaterialGreen;
+      MaterialColor[ 2]=MaterialCyan;
+      MaterialColor[ 3]=MaterialBlue;
+      MaterialColor[ 4]=MaterialMagenta;
+      MaterialColor[ 5]=MaterialYellow;
+      MaterialColor[ 6]=MaterialGreen;
+      MaterialColor[ 7]=MaterialCyan;
+      MaterialColor[ 8]=MaterialRed;
+      MaterialColor[ 9]=MaterialMagenta;
+      MaterialColor[10]=MaterialBlue;
+      MaterialColor[11]=MaterialYellow;
+      edgedivisions=dodecadivisions;
+      Magnitude=2.0;
+      break;
+    case 5:
+      draw_object=draw_ico;
+      MaterialColor[ 0]=MaterialRed;
+      MaterialColor[ 1]=MaterialGreen;
+      MaterialColor[ 2]=MaterialBlue;
+      MaterialColor[ 3]=MaterialCyan;
+      MaterialColor[ 4]=MaterialYellow;
+      MaterialColor[ 5]=MaterialMagenta;
+      MaterialColor[ 6]=MaterialRed;
+      MaterialColor[ 7]=MaterialGreen;
+      MaterialColor[ 8]=MaterialBlue;
+      MaterialColor[ 9]=MaterialWhite;
+      MaterialColor[10]=MaterialCyan;
+      MaterialColor[11]=MaterialYellow;
+      MaterialColor[12]=MaterialMagenta;
+      MaterialColor[13]=MaterialRed;
+      MaterialColor[14]=MaterialGreen;
+      MaterialColor[15]=MaterialBlue;
+      MaterialColor[16]=MaterialCyan;
+      MaterialColor[17]=MaterialYellow;
+      MaterialColor[18]=MaterialMagenta;
+      MaterialColor[19]=MaterialGray;
+      edgedivisions=icodivisions;
+      Magnitude=2.5;
+      break;
+  }
+  if (mono) {
+    int loop;
+    for (loop=0; loop<20; loop++) MaterialColor[loop]=MaterialGray;
+  }
+  if (smooth) {
+    glShadeModel( GL_SMOOTH );
+  } else {
+    glShadeModel( GL_FLAT );
+  }
+
+}
+
+static void INIT(void)
+{
+  printf("Morph 3D - Shows morphing platonic polyhedra\n");
+  printf("Author: Marcelo Fernandes Vianna (vianna@cat.cbpf.br)\n\n");
+  printf("  [1]    - Tetrahedron\n");
+  printf("  [2]    - Hexahedron (Cube)\n");
+  printf("  [3]    - Octahedron\n");
+  printf("  [4]    - Dodecahedron\n");
+  printf("  [5]    - Icosahedron\n");
+  printf("[SPACE]  - Toggle colored faces\n");
+  printf("[RETURN] - Toggle smooth/flat shading\n");
+  printf(" [ESC]   - Quit\n");
+
+  object=1;
+
+  glutInitWindowPosition(0,0);
+  glutInitWindowSize(640,480);
+
+  glutInitDisplayMode( GLUT_DEPTH | GLUT_DOUBLE | GLUT_RGB );
+
+  if (glutCreateWindow("Morph 3D - Shows morphing platonic polyhedra") <= 0) {
+     exit(0);
+  }
+
+  glClearDepth(1.0);
+  glClearColor( 0.0, 0.0, 0.0, 1.0 );
+  glColor3f( 1.0, 1.0, 1.0 );
+
+  glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+  glFlush();
+  glutSwapBuffers();
+
+  glLightfv(GL_LIGHT0, GL_AMBIENT, ambient);
+  glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse);
+  glLightfv(GL_LIGHT0, GL_POSITION, position0);
+  glLightfv(GL_LIGHT1, GL_AMBIENT, ambient);
+  glLightfv(GL_LIGHT1, GL_DIFFUSE, diffuse);
+  glLightfv(GL_LIGHT1, GL_POSITION, position1);
+  glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
+  glLightModelfv(GL_LIGHT_MODEL_TWO_SIDE, lmodel_twoside);
+  glEnable(GL_LIGHTING);
+  glEnable(GL_LIGHT0);
+  glEnable(GL_LIGHT1);
+  glEnable(GL_DEPTH_TEST);
+  glEnable(GL_NORMALIZE);
+
+  glMaterialfv(GL_FRONT_AND_BACK, GL_SHININESS, front_shininess);
+  glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, front_specular);
+
+  glHint(GL_FOG_HINT, GL_FASTEST);
+  glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST);
+  glHint(GL_POLYGON_SMOOTH_HINT, GL_FASTEST);
+
+  pinit();
+
+  glutReshapeFunc( reshape );
+  glutKeyboardFunc( key );
+  glutIdleFunc( idle_ );
+  glutDisplayFunc( draw );
+  glutMainLoop();
+  
+}
+
+int main(int argc, char **argv)
+{
+  INIT();
+  return(0);
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/multiarb.c b/nx-X11/extras/Mesa_6.4.2/progs/demos/multiarb.c
new file mode 100644
index 000000000..d963985c6
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/multiarb.c
@@ -0,0 +1,345 @@
+
+/*
+ * GL_ARB_multitexture demo
+ *
+ * Command line options:
+ *    -info      print GL implementation information
+ *
+ *
+ * Brian Paul  November 1998  This program is in the public domain.
+ * Modified on 12 Feb 2002 for > 2 texture units.
+ */
+
+
+#include <math.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <GL/glut.h>
+
+#include "readtex.h"
+
+#define TEXTURE_1_FILE "../images/girl.rgb"
+#define TEXTURE_2_FILE "../images/reflect.rgb"
+
+#define TEX0 1
+#define TEX7 8
+#define ANIMATE 10
+#define QUIT 100
+
+static GLboolean Animate = GL_TRUE;
+static GLint NumUnits = 1;
+static GLboolean TexEnabled[8];
+
+static GLfloat Drift = 0.0;
+static GLfloat drift_increment = 0.005;
+static GLfloat Xrot = 20.0, Yrot = 30.0, Zrot = 0.0;
+
+
+static void Idle( void )
+{
+   if (Animate) {
+      GLint i;
+
+      Drift += drift_increment;
+      if (Drift >= 1.0)
+         Drift = 0.0;
+
+      for (i = 0; i < NumUnits; i++) {
+         glActiveTextureARB(GL_TEXTURE0_ARB + i);
+         glMatrixMode(GL_TEXTURE);
+         glLoadIdentity();
+         if (i == 0) {
+            glTranslatef(Drift, 0.0, 0.0);
+            glScalef(2, 2, 1);
+         }
+         else if (i == 1) {
+            glTranslatef(0.0, Drift, 0.0);
+         }
+         else {
+            glTranslatef(0.5, 0.5, 0.0);
+            glRotatef(180.0 * Drift, 0, 0, 1);
+            glScalef(1.0/i, 1.0/i, 1.0/i);
+            glTranslatef(-0.5, -0.5, 0.0);
+         }
+      }
+      glMatrixMode(GL_MODELVIEW);
+
+      glutPostRedisplay();
+   }
+}
+
+
+static void DrawObject(void)
+{
+   GLint i;
+   GLint j;
+   static const GLfloat   tex_coords[] = {  0.0,  0.0,  1.0,  1.0,  0.0 };
+   static const GLfloat   vtx_coords[] = { -1.0, -1.0,  1.0,  1.0, -1.0 };
+
+   if (!TexEnabled[0] && !TexEnabled[1])
+      glColor3f(0.1, 0.1, 0.1);  /* add onto this */
+   else
+      glColor3f(1, 1, 1);  /* modulate this */
+
+   glBegin(GL_QUADS);
+
+   /* Toggle between the vector and scalar entry points.  This is done purely
+    * to hit multiple paths in the driver.
+    */
+   if ( Drift > 0.49 ) {
+      for (j = 0; j < 4; j++ ) {
+	 for (i = 0; i < NumUnits; i++)
+	    glMultiTexCoord2fARB(GL_TEXTURE0_ARB + i, 
+				 tex_coords[j], tex_coords[j+1]);
+	 glVertex2f( vtx_coords[j], vtx_coords[j+1] );
+      }
+   }
+   else {
+      for (j = 0; j < 4; j++ ) {
+	 for (i = 0; i < NumUnits; i++)
+	    glMultiTexCoord2fvARB(GL_TEXTURE0_ARB + i, & tex_coords[j]);
+	 glVertex2fv( & vtx_coords[j] );
+      }
+   }
+
+   glEnd();
+}
+
+
+
+static void Display( void )
+{
+   static GLint T0 = 0;
+   static GLint Frames = 0;
+   GLint t;
+
+   glClear( GL_COLOR_BUFFER_BIT );
+
+   glPushMatrix();
+      glRotatef(Xrot, 1.0, 0.0, 0.0);
+      glRotatef(Yrot, 0.0, 1.0, 0.0);
+      glRotatef(Zrot, 0.0, 0.0, 1.0);
+      glScalef(5.0, 5.0, 5.0);
+      DrawObject();
+   glPopMatrix();
+
+   glutSwapBuffers();
+
+   Frames++;
+
+   t = glutGet(GLUT_ELAPSED_TIME);
+   if (t - T0 >= 250) {
+      GLfloat seconds = (t - T0) / 1000.0;
+      drift_increment = 2.2 * seconds / Frames;
+      T0 = t;
+      Frames = 0;
+   }
+}
+
+
+static void Reshape( int width, int height )
+{
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glFrustum( -1.0, 1.0, -1.0, 1.0, 10.0, 100.0 );
+   /*glOrtho( -6.0, 6.0, -6.0, 6.0, 10.0, 100.0 );*/
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   glTranslatef( 0.0, 0.0, -70.0 );
+}
+
+
+static void ModeMenu(int entry)
+{
+   if (entry >= TEX0 && entry <= TEX7) {
+      /* toggle */
+      GLint i = entry - TEX0;
+      TexEnabled[i] = !TexEnabled[i];
+      glActiveTextureARB(GL_TEXTURE0_ARB + i);
+      if (TexEnabled[i])
+         glEnable(GL_TEXTURE_2D);
+      else
+         glDisable(GL_TEXTURE_2D);
+      printf("Enabled: ");
+      for (i = 0; i < NumUnits; i++)
+         printf("%d ", (int) TexEnabled[i]);
+      printf("\n");
+   }
+   else if (entry==ANIMATE) {
+      Animate = !Animate;
+   }
+   else if (entry==QUIT) {
+      exit(0);
+   }
+
+   glutPostRedisplay();
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void SpecialKey( int key, int x, int y )
+{
+   float step = 3.0;
+   (void) x;
+   (void) y;
+
+   switch (key) {
+      case GLUT_KEY_UP:
+         Xrot += step;
+         break;
+      case GLUT_KEY_DOWN:
+         Xrot -= step;
+         break;
+      case GLUT_KEY_LEFT:
+         Yrot += step;
+         break;
+      case GLUT_KEY_RIGHT:
+         Yrot -= step;
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void Init( int argc, char *argv[] )
+{
+   GLuint texObj[8];
+   GLint size, i;
+
+   const char *exten = (const char *) glGetString(GL_EXTENSIONS);
+   if (!strstr(exten, "GL_ARB_multitexture")) {
+      printf("Sorry, GL_ARB_multitexture not supported by this renderer.\n");
+      exit(1);
+   }
+
+   glGetIntegerv(GL_MAX_TEXTURE_UNITS_ARB, &NumUnits);
+   printf("%d texture units supported\n", NumUnits);
+   if (NumUnits > 8)
+      NumUnits = 8;
+
+   glGetIntegerv(GL_MAX_TEXTURE_SIZE, &size);
+   printf("%d x %d max texture size\n", size, size);
+
+   glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+
+   for (i = 0; i < NumUnits; i++) {
+      if (i < 2)
+         TexEnabled[i] = GL_TRUE;
+      else
+         TexEnabled[i] = GL_FALSE;
+   }
+
+   /* allocate two texture objects */
+   glGenTextures(NumUnits, texObj);
+
+   /* setup the texture objects */
+   for (i = 0; i < NumUnits; i++) {
+
+      glActiveTextureARB(GL_TEXTURE0_ARB + i);
+      glBindTexture(GL_TEXTURE_2D, texObj[i]);
+
+      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+
+      if (i == 0) {
+         if (!LoadRGBMipmaps(TEXTURE_1_FILE, GL_RGB)) {
+            printf("Error: couldn't load texture image\n");
+            exit(1);
+         }
+      }
+      else if (i == 1) {
+         if (!LoadRGBMipmaps(TEXTURE_2_FILE, GL_RGB)) {
+            printf("Error: couldn't load texture image\n");
+            exit(1);
+         }
+      }
+      else {
+         /* checker */
+         GLubyte image[8][8][3];
+         GLint i, j;
+         for (i = 0; i < 8; i++) {
+            for (j = 0; j < 8; j++) {
+               if ((i + j) & 1) {
+                  image[i][j][0] = 50;
+                  image[i][j][1] = 50;
+                  image[i][j][2] = 50;
+               }
+               else {
+                  image[i][j][0] = 25;
+                  image[i][j][1] = 25;
+                  image[i][j][2] = 25;
+               }
+            }
+         }
+         glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 8, 8, 0,
+                      GL_RGB, GL_UNSIGNED_BYTE, (GLvoid *) image);
+      }
+
+      /* Bind texObj[i] to ith texture unit */
+      if (i < 2)
+         glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+      else
+         glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_ADD);
+
+      if (TexEnabled[i])
+         glEnable(GL_TEXTURE_2D);
+   }
+
+   glShadeModel(GL_FLAT);
+   glClearColor(0.3, 0.3, 0.4, 1.0);
+
+   if (argc > 1 && strcmp(argv[1], "-info")==0) {
+      printf("GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+      printf("GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+      printf("GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+      printf("GL_EXTENSIONS = %s\n", (char *) glGetString(GL_EXTENSIONS));
+   }
+}
+
+
+int main( int argc, char *argv[] )
+{
+   GLint i;
+
+   glutInit( &argc, argv );
+   glutInitWindowSize( 300, 300 );
+   glutInitWindowPosition( 0, 0 );
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
+   glutCreateWindow(argv[0] );
+
+   Init( argc, argv );
+
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutSpecialFunc( SpecialKey );
+   glutDisplayFunc( Display );
+   glutIdleFunc( Idle );
+
+   glutCreateMenu(ModeMenu);
+
+   for (i = 0; i < NumUnits; i++) {
+      char s[100];
+      sprintf(s, "Toggle Texture %d", i);
+      glutAddMenuEntry(s, TEX0 + i);
+   }
+   glutAddMenuEntry("Toggle Animation", ANIMATE);
+   glutAddMenuEntry("Quit", QUIT);
+   glutAttachMenu(GLUT_RIGHT_BUTTON);
+
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/occlude.c b/nx-X11/extras/Mesa_6.4.2/progs/demos/occlude.c
new file mode 100644
index 000000000..8f7b90984
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/occlude.c
@@ -0,0 +1,234 @@
+/*
+ * GL_HP_occlustion_test demo
+ *
+ * Brian Paul
+ * 31 March 2000
+ *
+ * Copyright (C) 2000  Brian Paul   All Rights Reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+#include <GL/glut.h>
+#include <GL/glext.h>
+
+
+static GLfloat Xpos = 0;
+static GLboolean Anim = GL_TRUE;
+
+
+static void
+PrintString(const char *s)
+{
+   while (*s) {
+      glutBitmapCharacter(GLUT_BITMAP_8_BY_13, (int) *s);
+      s++;
+   }
+}
+
+
+
+static void Idle(void)
+{
+   static int lastTime = 0;
+   static int sign = +1;
+   int time = glutGet(GLUT_ELAPSED_TIME);
+   float step;
+
+   if (lastTime == 0)
+      lastTime = time;
+   else if (time - lastTime < 20)  /* 50Hz update */
+      return;
+
+   step = (time - lastTime) / 1000.0 * sign;
+   lastTime = time;
+
+   Xpos += step;
+
+   if (Xpos > 2.5) {
+      Xpos = 2.5;
+      sign = -1;
+   }
+   else if (Xpos < -2.5) {
+      Xpos = -2.5;
+      sign = +1;
+   }
+   glutPostRedisplay();
+}
+
+
+static void Display( void )
+{
+   GLboolean result;
+
+   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glFrustum( -1.0, 1.0, -1.0, 1.0, 5.0, 25.0 );
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   glTranslatef( 0.0, 0.0, -15.0 );
+
+   /* draw the occluding polygons */
+   glColor3f(0, 0.6, 0.8);
+   glBegin(GL_QUADS);
+   glVertex2f(-1.6, -1.5);
+   glVertex2f(-0.4, -1.5);
+   glVertex2f(-0.4,  1.5);
+   glVertex2f(-1.6,  1.5);
+
+   glVertex2f( 0.4, -1.5);
+   glVertex2f( 1.6, -1.5);
+   glVertex2f( 1.6,  1.5);
+   glVertex2f( 0.4,  1.5);
+   glEnd();
+
+   /* draw the test polygon with occlusion testing */
+   glPushMatrix();
+   glTranslatef(Xpos, 0, -0.5);
+   glScalef(0.3, 0.3, 1.0);
+   glRotatef(-90.0 * Xpos, 0, 0, 1);
+
+   glEnable(GL_OCCLUSION_TEST_HP);  /* NOTE: enabling the occlusion test */
+                                    /* doesn't clear the result flag! */
+   glColorMask(0, 0, 0, 0);
+   glDepthMask(GL_FALSE);
+   /* this call clear's the result flag.  Not really needed for this demo. */
+   glGetBooleanv(GL_OCCLUSION_TEST_RESULT_HP, &result);
+
+   glBegin(GL_POLYGON);
+   glVertex3f(-1, -1, 0);
+   glVertex3f( 1, -1, 0);
+   glVertex3f( 1,  1, 0);
+   glVertex3f(-1,  1, 0);
+   glEnd();
+
+   glGetBooleanv(GL_OCCLUSION_TEST_RESULT_HP, &result);
+   /* turn off occlusion testing */
+   glDisable(GL_OCCLUSION_TEST_HP);
+   glColorMask(1, 1, 1, 1);
+   glDepthMask(GL_TRUE);
+
+   /* draw the green rect, so we can see what's going on */
+   glColor3f(0.8, 0.5, 0);
+   glBegin(GL_POLYGON);
+   glVertex3f(-1, -1, 0);
+   glVertex3f( 1, -1, 0);
+   glVertex3f( 1,  1, 0);
+   glVertex3f(-1,  1, 0);
+   glEnd();
+
+   glPopMatrix();
+
+
+   /* Print result message */
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glOrtho( -1.0, 1.0, -1.0, 1.0, -1.0, 1.0 );
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+
+   glColor3f(1, 1, 1);
+   glRasterPos3f(-0.25, -0.7, 0);
+
+   if (result)
+      PrintString("   Visible");
+   else
+      PrintString("Fully Occluded");
+
+   glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+   glViewport( 0, 0, width, height );
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 'a':
+         Anim = !Anim;
+         if (Anim)
+            glutIdleFunc( Idle );
+         else
+            glutIdleFunc( NULL );
+         break;
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void SpecialKey( int key, int x, int y )
+{
+   const GLfloat step = 0.1;
+   (void) x;
+   (void) y;
+   switch (key) {
+      case GLUT_KEY_LEFT:
+         Xpos -= step;
+         break;
+      case GLUT_KEY_RIGHT:
+         Xpos += step;
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void Init( void )
+{
+   const char *ext = (const char *) glGetString(GL_EXTENSIONS);
+   if (!strstr(ext, "GL_HP_occlusion_test")) {
+      printf("Sorry, this demo requires the GL_HP_occlusion_test extension\n");
+      exit(-1);
+   }
+
+   glEnable(GL_DEPTH_TEST);
+}
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( 400, 400 );
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
+   glutCreateWindow(argv[0]);
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutSpecialFunc( SpecialKey );
+   glutIdleFunc( Idle );
+   glutDisplayFunc( Display );
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/paltex.c b/nx-X11/extras/Mesa_6.4.2/progs/demos/paltex.c
new file mode 100644
index 000000000..aa9c0da36
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/paltex.c
@@ -0,0 +1,270 @@
+
+/*
+ * Paletted texture demo.  Written by Brian Paul.
+ * This program is in the public domain.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <string.h>
+#ifdef _WIN32
+#include <windows.h>
+#endif
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+
+
+static float Rot = 0.0;
+static GLboolean Anim = 1;
+
+
+static void Idle( void )
+{
+   float t = glutGet(GLUT_ELAPSED_TIME) * 0.001;  /* in seconds */
+   Rot = t * 360 / 4;  /* 1 rotation per 4 seconds */
+   glutPostRedisplay();
+}
+
+
+static void Display( void )
+{
+   /* draw background gradient */
+   glDisable(GL_TEXTURE_2D);
+   glBegin(GL_POLYGON);
+   glColor3f(1.0, 0.0, 0.2); glVertex2f(-1.5, -1.0);
+   glColor3f(1.0, 0.0, 0.2); glVertex2f( 1.5, -1.0);
+   glColor3f(0.0, 0.0, 1.0); glVertex2f( 1.5,  1.0);
+   glColor3f(0.0, 0.0, 1.0); glVertex2f(-1.5,  1.0);
+   glEnd();
+
+   glPushMatrix();
+   glRotatef(Rot, 0, 0, 1);
+
+   glEnable(GL_TEXTURE_2D);
+   glBegin(GL_POLYGON);
+   glTexCoord2f(0, 1);  glVertex2f(-1, -0.5);
+   glTexCoord2f(1, 1);  glVertex2f( 1, -0.5);
+   glTexCoord2f(1, 0);  glVertex2f( 1,  0.5);
+   glTexCoord2f(0, 0);  glVertex2f(-1,  0.5);
+   glEnd();
+
+   glPopMatrix();
+
+   glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glOrtho( -1.5, 1.5, -1.0, 1.0, -1.0, 1.0 );
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+      case 's':
+         Rot += 0.5;
+         break;
+      case ' ':
+         Anim = !Anim;
+         if (Anim)
+            glutIdleFunc( Idle );
+         else
+            glutIdleFunc( NULL );
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void Init( void )
+{
+#define HEIGHT 8
+#define WIDTH 32
+   /* 257 = HEIGHT * WIDTH + 1 (for trailing '\0') */
+   static char texture[257] = {"\
+                                \
+    MMM    EEEE   SSS    AAA    \
+   M M M  E      S   S  A   A   \
+   M M M  EEEE    SS    A   A   \
+   M M M  E         SS  AAAAA   \
+   M   M  E      S   S  A   A   \
+   M   M   EEEE   SSS   A   A   \
+                                "
+      };
+   GLubyte table[256][4];
+
+   if (!glutExtensionSupported("GL_EXT_paletted_texture")) {
+      printf("Sorry, GL_EXT_paletted_texture not supported\n");
+      exit(0);
+   }
+
+   /* load the color table for each texel-index */
+   memset(table, 0, 256*4);
+   table[' '][0] = 255;
+   table[' '][1] = 255;
+   table[' '][2] = 255;
+   table[' '][3] = 64;
+   table['M'][0] = 255;
+   table['M'][1] = 0;
+   table['M'][2] = 0;
+   table['M'][3] = 255;
+   table['E'][0] = 0;
+   table['E'][1] = 255;
+   table['E'][2] = 0;
+   table['E'][3] = 255;
+   table['S'][0] = 0;
+   table['S'][1] = 0;
+   table['S'][2] = 255;
+   table['S'][3] = 255;
+   table['A'][0] = 255;
+   table['A'][1] = 255;
+   table['A'][2] = 0;
+   table['A'][3] = 255;
+
+#ifdef GL_EXT_paletted_texture
+
+#if defined(GL_EXT_shared_texture_palette) && defined(USE_SHARED_PALETTE)
+   printf("Using shared palette\n");
+   glColorTableEXT(GL_SHARED_TEXTURE_PALETTE_EXT,    /* target */
+                   GL_RGBA,          /* internal format */
+                   256,              /* table size */
+                   GL_RGBA,          /* table format */
+                   GL_UNSIGNED_BYTE, /* table type */
+                   table);           /* the color table */
+   glEnable(GL_SHARED_TEXTURE_PALETTE_EXT);
+#else
+   glColorTableEXT(GL_TEXTURE_2D,    /* target */
+                   GL_RGBA,          /* internal format */
+                   256,              /* table size */
+                   GL_RGBA,          /* table format */
+                   GL_UNSIGNED_BYTE, /* table type */
+                   table);           /* the color table */
+#endif
+
+   glTexImage2D(GL_TEXTURE_2D,       /* target */
+                0,                   /* level */
+                GL_COLOR_INDEX8_EXT, /* internal format */
+                WIDTH, HEIGHT,       /* width, height */
+                0,                   /* border */
+                GL_COLOR_INDEX,      /* texture format */
+                GL_UNSIGNED_BYTE,    /* texture type */
+                texture);            /* the texture */
+#endif
+
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+   glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+   glEnable(GL_TEXTURE_2D);
+
+   glEnable(GL_BLEND);
+   glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+#undef HEIGHT
+#undef WIDTH
+}
+
+
+
+/*
+ * Color ramp test
+ */
+static void Init2( void )
+{
+#define HEIGHT 32
+#define WIDTH 256
+   static char texture[HEIGHT][WIDTH];
+   GLubyte table[256][4];
+   int i, j;
+
+   if (!glutExtensionSupported("GL_EXT_paletted_texture")) {
+      printf("Sorry, GL_EXT_paletted_texture not supported\n");
+      exit(0);
+   }
+
+   for (j = 0; j < HEIGHT; j++) {
+      for (i = 0; i < WIDTH; i++) {
+         texture[j][i] = i;
+      }
+   }
+
+   for (i = 0; i < 255; i++) {
+      table[i][0] = i;
+      table[i][1] = 0;
+      table[i][2] = 0;
+      table[i][3] = 255;
+   }
+
+#ifdef GL_EXT_paletted_texture
+
+#if defined(GL_EXT_shared_texture_palette) && defined(USE_SHARED_PALETTE)
+   printf("Using shared palette\n");
+   glColorTableEXT(GL_SHARED_TEXTURE_PALETTE_EXT,    /* target */
+                   GL_RGBA,          /* internal format */
+                   256,              /* table size */
+                   GL_RGBA,          /* table format */
+                   GL_UNSIGNED_BYTE, /* table type */
+                   table);           /* the color table */
+   glEnable(GL_SHARED_TEXTURE_PALETTE_EXT);
+#else
+   glColorTableEXT(GL_TEXTURE_2D,    /* target */
+                   GL_RGBA,          /* internal format */
+                   256,              /* table size */
+                   GL_RGBA,          /* table format */
+                   GL_UNSIGNED_BYTE, /* table type */
+                   table);           /* the color table */
+#endif
+
+   glTexImage2D(GL_TEXTURE_2D,       /* target */
+                0,                   /* level */
+                GL_COLOR_INDEX8_EXT, /* internal format */
+                WIDTH, HEIGHT,       /* width, height */
+                0,                   /* border */
+                GL_COLOR_INDEX,      /* texture format */
+                GL_UNSIGNED_BYTE,    /* texture type */
+                texture);            /* teh texture */
+#endif
+
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+   glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+   glEnable(GL_TEXTURE_2D);
+
+   glEnable(GL_BLEND);
+   glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+}
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( 400, 300 );
+
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
+
+   glutCreateWindow(argv[0]);
+
+   Init();
+   (void) Init2; /* silence warning */
+
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutDisplayFunc( Display );
+   if (Anim)
+      glutIdleFunc( Idle );
+
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/particles.cxx b/nx-X11/extras/Mesa_6.4.2/progs/demos/particles.cxx
new file mode 100644
index 000000000..b88c318e0
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/particles.cxx
@@ -0,0 +1,219 @@
+/*
+ * This program is under the GNU GPL.
+ * Use at your own risk.
+ *
+ * written by David Bucciarelli (humanware@plus.it)
+ *            Humanware s.r.l.
+ */
+
+#include <stdlib.h>
+
+#include "particles.h"
+
+#define vinit(a,i,j,k) {\
+  (a)[0]=i;\
+  (a)[1]=j;\
+  (a)[2]=k;\
+}
+
+#define vadds(a,dt,b) {\
+  (a)[0]+=(dt)*(b)[0];\
+  (a)[1]+=(dt)*(b)[1];\
+  (a)[2]+=(dt)*(b)[2];\
+}
+
+#define vequ(a,b) {\
+  (a)[0]=(b)[0];\
+  (a)[1]=(b)[1];\
+  (a)[2]=(b)[2];\
+}
+
+#define vinter(a,dt,b,c) {\
+  (a)[0]=(dt)*(b)[0]+(1.0-dt)*(c)[0];\
+  (a)[1]=(dt)*(b)[1]+(1.0-dt)*(c)[1];\
+  (a)[2]=(dt)*(b)[2]+(1.0-dt)*(c)[2];\
+}
+
+#define clamp(a)        ((a) < 0.0 ? 0.0 : ((a) < 1.0 ? (a) : 1.0))
+
+#define vclamp(v) {\
+  (v)[0]=clamp((v)[0]);\
+  (v)[1]=clamp((v)[1]);\
+  (v)[2]=clamp((v)[2]);\
+}
+
+
+float rainParticle::min[3];
+float rainParticle::max[3];
+float rainParticle::partLength=0.2f;
+
+
+static float vrnd(void)
+{
+  return(((float)rand())/RAND_MAX);
+}
+
+
+particle::particle()
+{
+  age=0.0f;
+
+  vinit(acc,0.0f,0.0f,0.0f);
+  vinit(vel,0.0f,0.0f,0.0f);
+  vinit(pos,0.0f,0.0f,0.0f);
+}
+
+void particle::elapsedTime(float dt)
+{
+  age+=dt;
+
+  vadds(vel,dt,acc);
+
+  vadds(pos,dt,vel);
+}
+
+/////////////////////////////////////////
+// Particle System
+/////////////////////////////////////////
+
+particleSystem::particleSystem()
+{
+  t=0.0f;
+
+  part=NULL;
+
+  particleNum=0;
+}
+
+particleSystem::~particleSystem()
+{
+  if(part)
+    free(part);
+}
+
+void particleSystem::addParticle(particle *p)
+{
+  if(!part) {
+    part=(particle **)calloc(1,sizeof(particle *));
+    part[0]=p;
+    particleNum=1;
+  } else {
+    particleNum++;
+    part=(particle **)realloc(part,sizeof(particle *)*particleNum);
+    part[particleNum-1]=p;
+  }
+}
+
+void particleSystem::reset(void)
+{
+  if(part)
+    free(part);
+
+  t=0.0f;
+
+  part=NULL;
+
+  particleNum=0;
+}
+
+void particleSystem::draw(void)
+{
+  if(!part)
+    return;
+
+  part[0]->beginDraw();
+  for(unsigned int i=0;i<particleNum;i++)
+    part[i]->draw();
+  part[0]->endDraw();
+}
+
+void particleSystem::addTime(float dt)
+{
+  if(!part)
+    return;
+
+  for(unsigned int i=0;i<particleNum;i++) {
+    part[i]->elapsedTime(dt);
+    part[i]->checkAge();
+  }
+}
+
+/////////////////////////////////////////
+// Rain
+/////////////////////////////////////////
+
+void rainParticle::init(void)
+{
+  age=0.0f;
+
+  acc[0]=0.0f;
+  acc[1]=-0.98f;
+  acc[2]=0.0f;
+
+  vel[0]=0.0f;
+  vel[1]=0.0f;
+  vel[2]=0.0f;
+
+  oldpos[0]=pos[0]=min[0]+(max[0]-min[0])*vrnd();
+  oldpos[1]=pos[1]=max[1]+0.2f*max[1]*vrnd();
+  oldpos[2]=pos[2]=min[2]+(max[2]-min[2])*vrnd();
+
+  vadds(oldpos,-partLength,vel);
+}
+
+rainParticle::rainParticle()
+{ 
+  init();
+}
+
+void rainParticle::setRainingArea(float minx, float miny, float minz,
+				  float maxx, float maxy, float maxz)
+{
+  vinit(min,minx,miny,minz);
+  vinit(max,maxx,maxy,maxz);
+}
+
+void rainParticle::setLength(float l)
+{
+  partLength=l;
+}
+
+void rainParticle::draw(void)
+{
+  glColor4f(0.7f,0.95f,1.0f,0.0f);
+  glVertex3fv(oldpos);
+
+  glColor4f(0.3f,0.7f,1.0f,1.0f);
+  glVertex3fv(pos);
+}
+
+void rainParticle::checkAge(void)
+{
+  if(pos[1]<min[1])
+    init();
+}
+
+void rainParticle::elapsedTime(float dt)
+{
+  particle::elapsedTime(dt);
+
+  if(pos[0]<min[0])
+    pos[0]=max[0]-(min[0]-pos[0]);
+  if(pos[2]<min[2])
+    pos[2]=max[2]-(min[2]-pos[2]);
+
+  if(pos[0]>max[0])
+    pos[0]=min[0]+(pos[0]-max[0]);
+  if(pos[2]>max[2])
+    pos[2]=min[2]+(pos[2]-max[2]);
+
+  vequ(oldpos,pos);
+  vadds(oldpos,-partLength,vel);
+}
+
+void rainParticle::randomHeight(void)
+{
+  pos[1]=(max[1]-min[1])*vrnd()+min[1];
+
+  oldpos[1]=pos[1]-partLength*vel[1];
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/particles.h b/nx-X11/extras/Mesa_6.4.2/progs/demos/particles.h
new file mode 100644
index 000000000..a49dd691e
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/particles.h
@@ -0,0 +1,81 @@
+/*
+ * This program is under the GNU GPL.
+ * Use at your own risk.
+ *
+ * written by David Bucciarelli (humanware@plus.it)
+ *            Humanware s.r.l.
+ */
+
+#ifndef PARTICLES_H
+#define PARTICLES_H
+
+#include <GL/gl.h>
+
+class particle {
+ protected:
+  float age;         // in seconds
+  float acc[3];
+  float vel[3];
+  float pos[3];
+
+ public:
+  particle();
+  virtual ~particle() {};
+
+  virtual void beginDraw(void) {};
+  virtual void draw(void)=0;
+  virtual void endDraw(void) {};
+
+  virtual void elapsedTime(float);
+  virtual void checkAge(void) {};
+};
+
+class particleSystem {
+ protected:
+  particle **part;
+
+  float t;
+
+  unsigned long particleNum;
+ public:
+  particleSystem();
+  ~particleSystem();
+
+  void addParticle(particle *);
+
+  void reset(void);
+
+  void draw(void);
+
+  void addTime(float);
+};
+
+class rainParticle : public particle {
+ protected:
+  static float min[3];
+  static float max[3];
+  static float partLength;
+
+  float oldpos[3];
+
+  void init(void);
+ public:
+  rainParticle();
+
+  static void setRainingArea(float, float, float,
+			     float, float, float);
+  static void setLength(float);
+  static float getLength(void) { return partLength; };
+
+  void beginDraw(void) { glBegin(GL_LINES); };
+  void draw(void);
+  void endDraw(void) { glEnd(); };
+
+  void elapsedTime(float);
+
+  void checkAge(void);
+
+  void randomHeight(void);
+};
+
+#endif
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/pixeltex.c b/nx-X11/extras/Mesa_6.4.2/progs/demos/pixeltex.c
new file mode 100644
index 000000000..03e653a45
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/pixeltex.c
@@ -0,0 +1,210 @@
+/*
+ * GL_SGIS_pixel_texture demo
+ *
+ * Brian Paul
+ * 6 Apr 2000
+ *
+ * Copyright (C) 2000  Brian Paul   All Rights Reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+/*
+ * How this works:
+ * 1. We load the image into a 2D texture.
+ * 2. We generate a sequence of RGB images in which the R component
+ *    is really the S texture coordinate and the G component is really
+ *    the T texture coordinate.
+ *    By warping the mapping from R to S and G to T we can get non-linear
+ *    distortions.
+ * 3. Draw the warped image (a 2-D warping function) with pixel texgen
+ *    enabled.
+ * 4. Loop over the warped images to animate.
+ *
+ * The pixel texgen extension can also be used to do color-space
+ * conversions.  For example, we could convert YCR to RGB with a
+ * 3D texture map which takes YCR as the S,T,R texture coordinate and
+ * returns RGB texel values.
+ *
+ * You can use this extension in (at least) two ways:
+ * 1. glDrawPixels w/ color space conversion/warping
+ * 2. glDrawPixels to spatially warp another image in texture memory
+ *
+ * We're basically using glDrawPixels to draw a texture coordinate image.
+ */
+
+
+#include <math.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <GL/glut.h>
+#include <GL/glext.h>
+#include "readtex.h"
+
+#define TEXTURE_FILE "../images/girl.rgb"
+
+static int ImgWidth = 300, ImgHeight = 300;
+#define FRAMES 20
+static GLubyte *ImgData[FRAMES];
+static GLint Frame = 0;
+
+static GLboolean TextureFlag = GL_TRUE;
+
+
+static void Display( void )
+{
+   glClear( GL_COLOR_BUFFER_BIT );
+
+   if (TextureFlag) {
+      glEnable(GL_PIXEL_TEXTURE_SGIS);
+      glEnable(GL_TEXTURE_2D);
+   }
+   else {
+      glDisable(GL_PIXEL_TEXTURE_SGIS);
+      glDisable(GL_TEXTURE_2D);
+   }
+
+   glColor3f(1, 1, 1);
+   glRasterPos2f(10, 10);
+   glDrawPixels(ImgWidth, ImgHeight, GL_RGB, GL_UNSIGNED_BYTE, ImgData[Frame]);
+
+   glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glOrtho(0, width, 0, height, -1, 1);
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case ' ':
+         TextureFlag = !TextureFlag;
+         break;
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void Idle(void)
+{
+   Frame++;
+   if (Frame >= FRAMES)
+      Frame = 0;
+   glutPostRedisplay();
+}
+
+
+static GLubyte warp(GLfloat s, int frame)
+{
+   static const GLfloat pi = 3.14159265;
+   static int halfFrame = FRAMES / 2;
+   GLfloat y, weight, v;
+   if (frame >= halfFrame)
+      frame = halfFrame - (frame - halfFrame);
+   y = sin(s * pi);
+   weight = (float) frame / (FRAMES-1);
+   v = y * (0.8 * weight + 0.2);
+   return (GLint) (v * 255.0F);
+}
+
+
+static void InitImage(void)
+{
+   int i, j, frame;
+   for (frame = 0; frame < FRAMES; frame++) {
+      ImgData[frame] = (GLubyte *) malloc(ImgWidth * ImgHeight * 3);
+      for (i = 0; i < ImgHeight; i++) {
+         for (j = 0; j < ImgWidth; j++) {
+            GLubyte *pixel = ImgData[frame] + (i * ImgWidth + j) * 3;
+            pixel[0] = warp((float) j / (ImgWidth - 0), frame);
+            pixel[1] = warp((float) i / (ImgHeight - 0), frame);
+            pixel[2] = 0.0;
+         }
+      }
+   }
+}
+
+
+static void Init( int argc, char *argv[] )
+{
+   const char *exten = (const char *) glGetString(GL_EXTENSIONS);
+   if (!strstr(exten, "GL_SGIS_pixel_texture")) {
+      printf("Sorry, GL_SGIS_pixel_texture not supported by this renderer.\n");
+      exit(1);
+   }
+
+   /* linear filtering looks nicer, but it's slower, since it's in software */
+#if 1
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+#else
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+#endif
+
+   glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+
+   glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+
+   if (!LoadRGBMipmaps(TEXTURE_FILE, GL_RGB)) {
+      printf("Error: couldn't load texture image\n");
+      exit(1);
+   }
+
+   glClearColor(0.3, 0.3, 0.4, 1.0);
+
+   InitImage();
+
+   printf("Hit SPACE to toggle pixel texgen\n");
+}
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowSize( 330, 330 );
+   glutInitWindowPosition( 0, 0 );
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
+   glutCreateWindow(argv[0] );
+
+   Init( argc, argv );
+
+   glutKeyboardFunc( Key );
+   glutReshapeFunc( Reshape );
+   glutDisplayFunc( Display );
+   glutIdleFunc( Idle );
+
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/pointblast.c b/nx-X11/extras/Mesa_6.4.2/progs/demos/pointblast.c
new file mode 100644
index 000000000..715813f17
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/pointblast.c
@@ -0,0 +1,498 @@
+
+/* Copyright (c) Mark J. Kilgard, 1997.  */
+
+/* This program is freely distributable without licensing fees 
+   and is provided without guarantee or warrantee expressed or 
+   implied. This program is -not- in the public domain. */
+
+/* This example demonstrates how to render particle effects
+   with OpenGL.  A cloud of pinkish/orange particles explodes with the
+   particles bouncing off the ground.  When the EXT_point_parameters
+   is present , the particle size is attenuated based on eye distance. */
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>       /* for cos(), sin(), and sqrt() */
+#ifdef _WIN32
+#include <windows.h>
+#endif
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+
+/* Some <math.h> files do not define M_PI... */
+#ifndef M_PI
+#define M_PI 3.14159265
+#endif
+
+#if 0  /* For debugging. */
+#undef GL_EXT_point_parameters
+#endif
+
+static GLfloat angle = -150;   /* in degrees */
+static int spin = 0;
+static int moving, begin;
+static int newModel = 1;
+static float theTime;
+static int repeat = 1;
+static int blend = 1;
+int useMipmaps = 1;
+int linearFiltering = 1;
+
+static GLfloat constant[3] = { 1/5.0, 0.0, 0.0 };
+static GLfloat linear[3] = { 0.0, 1/5.0, 0.0 };
+static GLfloat theQuad[3] = { 0.25, 0.0, 1/60.0 };
+
+#define MAX_POINTS 2000
+
+static int numPoints = 200;
+
+static GLfloat pointList[MAX_POINTS][3];
+static GLfloat pointTime[MAX_POINTS];
+static GLfloat pointVelocity[MAX_POINTS][2];
+static GLfloat pointDirection[MAX_POINTS][2];
+static int colorList[MAX_POINTS];
+static int animate = 1, motion = 0;
+
+static GLfloat colorSet[][4] = {
+  /* Shades of red. */
+  { 0.7, 0.2, 0.4, 0.5 },
+  { 0.8, 0.0, 0.7, 0.5 },
+  { 1.0, 0.0, 0.0, 0.5 },
+  { 0.9, 0.3, 0.6, 0.5 },
+  { 1.0, 0.4, 0.0, 0.5 },
+  { 1.0, 0.0, 0.5, 0.5 },
+};
+
+#define NUM_COLORS (sizeof(colorSet)/sizeof(colorSet[0]))
+
+#define DEAD (NUM_COLORS+1)
+
+
+#if 0  /* drand48 might be better on Unix machines */
+#define RANDOM_RANGE(lo, hi) ((lo) + (hi - lo) * drand48())
+#else
+static float float_rand(void) { return rand() / (float) RAND_MAX; }
+#define RANDOM_RANGE(lo, hi) ((lo) + (hi - lo) * float_rand())
+#endif
+
+#define MEAN_VELOCITY 3.0
+#define GRAVITY 2.0
+
+/* Modeling units of ground extent in each X and Z direction. */
+#define EDGE 12
+
+static void
+makePointList(void)
+{
+  float angle, velocity, direction;
+  int i;
+
+  motion = 1;
+  for (i=0; i<numPoints; i++) {
+    pointList[i][0] = 0.0;
+    pointList[i][1] = 0.0;
+    pointList[i][2] = 0.0;
+    pointTime[i] = 0.0;
+    angle = (RANDOM_RANGE(60.0, 70.0)) * M_PI/180.0;
+    direction = RANDOM_RANGE(0.0, 360.0) * M_PI/180.0;
+    pointDirection[i][0] = cos(direction);
+    pointDirection[i][1] = sin(direction);
+    velocity = MEAN_VELOCITY + RANDOM_RANGE(-0.8, 1.0);
+    pointVelocity[i][0] = velocity * cos(angle);
+    pointVelocity[i][1] = velocity * sin(angle);
+    colorList[i] = rand() % NUM_COLORS;
+  }
+  theTime = 0.0;
+}
+
+static void
+updatePointList(void)
+{
+  float distance;
+  int i;
+
+  static double t0 = -1.;
+  double dt, t = glutGet(GLUT_ELAPSED_TIME) / 1000.0;
+  if (t0 < 0.0)
+    t0 = t;
+  dt = t - t0;
+  t0 = t;
+
+  motion = 0;
+  for (i=0; i<numPoints; i++) {
+    distance = pointVelocity[i][0] * theTime;
+
+    /* X and Z */
+    pointList[i][0] = pointDirection[i][0] * distance;
+    pointList[i][2] = pointDirection[i][1] * distance;
+
+    /* Z */
+    pointList[i][1] =
+      (pointVelocity[i][1] - 0.5 * GRAVITY * pointTime[i])*pointTime[i];
+
+    /* If we hit the ground, bounce the point upward again. */
+    if (pointList[i][1] <= 0.0) {
+      if (distance > EDGE) {
+        /* Particle has hit ground past the distance duration of
+          the particles.  Mark particle as dead. */
+       colorList[i] = NUM_COLORS;  /* Not moving. */
+       continue;
+      }
+
+      pointVelocity[i][1] *= 0.8;  /* 80% of previous up velocity. */
+      pointTime[i] = 0.0;  /* Reset the particles sense of up time. */
+    }
+    motion = 1;
+    pointTime[i] += dt;
+  }
+  theTime += dt;
+  if (!motion && !spin) {
+    if (repeat) {
+      makePointList();
+    } else {
+      glutIdleFunc(NULL);
+    }
+  }
+}
+
+static void
+idle(void)
+{
+  updatePointList();
+  if (spin) {
+    angle += 0.3;
+    newModel = 1;
+  }
+  glutPostRedisplay();
+}
+
+static void
+visible(int vis)
+{
+  if (vis == GLUT_VISIBLE) {
+    if (animate && (motion || spin)) {
+      glutIdleFunc(idle);
+    }
+  } else {
+    glutIdleFunc(NULL);
+  }
+}
+
+static void
+recalcModelView(void)
+{
+  glPopMatrix();
+  glPushMatrix();
+  glRotatef(angle, 0.0, 1.0, 0.0);
+  newModel = 0;
+}
+
+static void
+redraw(void)
+{
+  int i;
+
+  glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+  if (newModel)
+    recalcModelView();
+
+  glDepthMask(GL_FALSE);
+
+  /* Draw the floor. */
+/*  glEnable(GL_TEXTURE_2D);*/
+  glColor3f(0.5, 1.0, 0.5);
+  glBegin(GL_QUADS);
+    glTexCoord2f(0.0, 0.0);
+    glVertex3f(-EDGE, -0.05, -EDGE);
+    glTexCoord2f(20.0, 0.0);
+    glVertex3f(EDGE, -0.05, -EDGE);
+    glTexCoord2f(20.0, 20.0);
+    glVertex3f(EDGE, -0.05, EDGE);
+    glTexCoord2f(0.0, 20.0);
+    glVertex3f(-EDGE, -0.05, EDGE);
+  glEnd();
+
+  /* Allow particles to blend with each other. */
+  glDepthMask(GL_TRUE);
+
+  if (blend)
+     glEnable(GL_BLEND);
+
+  glDisable(GL_TEXTURE_2D);
+  glBegin(GL_POINTS);
+    for (i=0; i<numPoints; i++) {
+      /* Draw alive particles. */
+      if (colorList[i] != DEAD) {
+        glColor4fv(colorSet[colorList[i]]);
+        glVertex3fv(pointList[i]);
+      }
+    }
+  glEnd();
+
+  glDisable(GL_BLEND);
+
+  glutSwapBuffers();
+}
+
+/* ARGSUSED2 */
+static void
+mouse(int button, int state, int x, int y)
+{
+  /* Scene can be spun around Y axis using left
+     mouse button movement. */
+  if (button == GLUT_LEFT_BUTTON && state == GLUT_DOWN) {
+    moving = 1;
+    begin = x;
+  }
+  if (button == GLUT_LEFT_BUTTON && state == GLUT_UP) {
+    moving = 0;
+  }
+}
+
+/* ARGSUSED1 */
+static void
+mouseMotion(int x, int y)
+{
+  if (moving) {
+    angle = angle + (x - begin);
+    begin = x;
+    newModel = 1;
+    glutPostRedisplay();
+  }
+}
+
+static void
+menu(int option)
+{
+  switch (option) {
+  case 0:
+    makePointList();
+    break;
+#ifdef GL_ARB_point_parameters
+  case 1:
+    glPointParameterfvARB(GL_POINT_DISTANCE_ATTENUATION_ARB, constant);
+    break;
+  case 2:
+    glPointParameterfvARB(GL_POINT_DISTANCE_ATTENUATION_ARB, linear);
+    break;
+  case 3:
+    glPointParameterfvARB(GL_POINT_DISTANCE_ATTENUATION_ARB, theQuad);
+    break;
+#endif
+  case 4:
+    blend = 1;
+    break;
+  case 5:
+    blend = 0;
+    break;
+#ifdef GL_ARB_point_parameters
+  case 6:
+    glPointParameterfARB(GL_POINT_FADE_THRESHOLD_SIZE_ARB, 1.0);
+    break;
+  case 7:
+    glPointParameterfARB(GL_POINT_FADE_THRESHOLD_SIZE_ARB, 10.0);
+    break;
+#endif
+  case 8:
+    glEnable(GL_POINT_SMOOTH);
+    break;
+  case 9:
+    glDisable(GL_POINT_SMOOTH);
+    break;
+  case 10:
+    glPointSize(2.0);
+    break;
+  case 11:
+    glPointSize(4.0);
+    break;
+  case 12:
+    glPointSize(8.0);
+    break;
+  case 13:
+    spin = 1 - spin;
+    if (animate && (spin || motion)) {
+      glutIdleFunc(idle);
+    } else {
+      glutIdleFunc(NULL);
+    }
+    break;
+  case 14:
+    numPoints = 200;
+    break;
+  case 15:
+    numPoints = 500;
+    break;
+  case 16:
+    numPoints = 1000;
+    break;
+  case 17:
+    numPoints = 2000;
+    break;
+  case 666:
+    exit(0);
+  }
+  glutPostRedisplay();
+}
+
+/* ARGSUSED1 */
+static void
+key(unsigned char c, int x, int y)
+{
+  switch (c) {
+  case 13:
+    animate = 1 - animate;  /* toggle. */
+    if (animate && (motion || spin)) {
+      glutIdleFunc(idle);
+    } else {
+      glutIdleFunc(NULL);
+    }
+    break;
+  case ' ':
+    animate = 1;
+    makePointList();
+    glutIdleFunc(idle);
+    break;
+  case 27:
+    exit(0);
+  }
+}
+
+/* Nice floor texture tiling pattern. */
+static char *circles[] = {
+  "....xxxx........",
+  "..xxxxxxxx......",
+  ".xxxxxxxxxx.....",
+  ".xxx....xxx.....",
+  "xxx......xxx....",
+  "xxx......xxx....",
+  "xxx......xxx....",
+  "xxx......xxx....",
+  ".xxx....xxx.....",
+  ".xxxxxxxxxx.....",
+  "..xxxxxxxx......",
+  "....xxxx........",
+  "................",
+  "................",
+  "................",
+  "................",
+};
+
+static void
+makeFloorTexture(void)
+{
+  GLubyte floorTexture[16][16][3];
+  GLubyte *loc;
+  int s, t;
+
+  /* Setup RGB image for the texture. */
+  loc = (GLubyte*) floorTexture;
+  for (t = 0; t < 16; t++) {
+    for (s = 0; s < 16; s++) {
+      if (circles[t][s] == 'x') {
+        /* Nice blue. */
+        loc[0] = 0x1f;
+        loc[1] = 0x1f;
+        loc[2] = 0x8f;
+      } else {
+        /* Light gray. */
+        loc[0] = 0xca;
+        loc[1] = 0xca;
+        loc[2] = 0xca;
+      }
+      loc += 3;
+    }
+  }
+
+  glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+
+  if (useMipmaps) {
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
+      GL_LINEAR_MIPMAP_LINEAR);
+    gluBuild2DMipmaps(GL_TEXTURE_2D, 3, 16, 16,
+      GL_RGB, GL_UNSIGNED_BYTE, floorTexture);
+  } else {
+    if (linearFiltering) {
+      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+    } else {
+      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+    }
+    glTexImage2D(GL_TEXTURE_2D, 0, 3, 16, 16, 0,
+      GL_RGB, GL_UNSIGNED_BYTE, floorTexture);
+  }
+}
+
+int
+main(int argc, char **argv)
+{
+  int i;
+  glutInit(&argc, argv);
+  glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH | GLUT_MULTISAMPLE);
+  glutInitWindowPosition(0, 0);
+  glutInitWindowSize(300, 300);
+
+  for (i=1; i<argc; i++) {
+    if(!strcmp("-noms", argv[i])) {
+      glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
+      printf("forcing no multisampling\n");
+    } else if(!strcmp("-nomipmaps", argv[i])) {
+      useMipmaps = 0;
+    } else if(!strcmp("-nearest", argv[i])) {
+      linearFiltering = 0;
+    }
+  }
+
+  glutCreateWindow("point burst");
+  glutDisplayFunc(redraw);
+  glutMouseFunc(mouse);
+  glutMotionFunc(mouseMotion);
+  glutVisibilityFunc(visible);
+  glutKeyboardFunc(key);
+  glutCreateMenu(menu);
+  glutAddMenuEntry("Reset time", 0);
+  glutAddMenuEntry("Constant", 1);
+  glutAddMenuEntry("Linear", 2);
+  glutAddMenuEntry("Quadratic", 3);
+  glutAddMenuEntry("Blend on", 4);
+  glutAddMenuEntry("Blend off", 5);
+  glutAddMenuEntry("Threshold 1", 6);
+  glutAddMenuEntry("Threshold 10", 7);
+  glutAddMenuEntry("Point smooth on", 8);
+  glutAddMenuEntry("Point smooth off", 9);
+  glutAddMenuEntry("Point size 2", 10);
+  glutAddMenuEntry("Point size 4", 11);
+  glutAddMenuEntry("Point size 8", 12);
+  glutAddMenuEntry("Toggle spin", 13);
+  glutAddMenuEntry("200 points ", 14);
+  glutAddMenuEntry("500 points ", 15);
+  glutAddMenuEntry("1000 points ", 16);
+  glutAddMenuEntry("2000 points ", 17);
+  glutAddMenuEntry("Quit", 666);
+  glutAttachMenu(GLUT_RIGHT_BUTTON);
+
+  glShadeModel(GL_FLAT);
+  glEnable(GL_DEPTH_TEST);
+  glEnable(GL_POINT_SMOOTH);
+  glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+  glPointSize(8.0);
+#if GL_ARB_point_parameters
+  glPointParameterfvARB(GL_POINT_DISTANCE_ATTENUATION_ARB, theQuad);
+#endif
+  glMatrixMode(GL_PROJECTION);
+  gluPerspective( /* field of view in degree */ 40.0,
+  /* aspect ratio */ 1.0,
+    /* Z near */ 0.5, /* Z far */ 40.0);
+  glMatrixMode(GL_MODELVIEW);
+  gluLookAt(0.0, 1.0, 8.0, /* eye location */
+    0.0, 1.0, 0.0,      /* center is at (0,0,0) */
+    0.0, 1.0, 0.);      /* up is in postivie Y direction */
+  glPushMatrix();       /* dummy push so we can pop on model
+                           recalc */
+
+  makePointList();
+  makeFloorTexture();
+
+  glutMainLoop();
+  return 0;             /* ANSI C requires main to return int. */
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/rain.cxx b/nx-X11/extras/Mesa_6.4.2/progs/demos/rain.cxx
new file mode 100644
index 000000000..d19f049c5
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/rain.cxx
@@ -0,0 +1,394 @@
+/*
+ * This program is under the GNU GPL.
+ * Use at your own risk.
+ *
+ * written by David Bucciarelli (humanware@plus.it)
+ *            Humanware s.r.l.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <time.h>
+#include <GL/glut.h>
+#ifndef M_PI
+#define M_PI 3.14159265
+#endif
+
+#include "particles.h"
+extern "C" {
+#include "readtex.h"
+}
+
+#ifdef _WIN32
+#include <windows.h>
+#include <mmsystem.h>
+#include "particles.cxx"
+#include "readtex.c"
+#endif
+
+#ifdef XMESA
+#include "GL/xmesa.h"
+static int fullscreen=1;
+#endif
+
+static int WIDTH=640;
+static int HEIGHT=480;
+static int NUMPART=7500;
+
+#define FRAME 50
+
+static float fogcolor[4]={1.0,1.0,1.0,1.0};
+
+#define DIMP 40.0
+#define DIMTP 32.0
+
+static float q[4][3]={
+  {-DIMP,0.0,-DIMP},
+  {DIMP,0.0,-DIMP},
+  {DIMP,0.0,DIMP},
+  {-DIMP,0.0,DIMP}
+};
+
+static float qt[4][2]={
+  {-DIMTP,-DIMTP},
+  {DIMTP,-DIMTP},
+  {DIMTP,DIMTP},
+  {-DIMTP,DIMTP}
+};
+
+static int win=0;
+
+static int fog=1;
+static int help=1;
+
+static GLuint groundid;
+
+static float obs[3]={2.0,1.0,0.0};
+static float dir[3];
+static float v=0.0;
+static float alpha=-90.0;
+static float beta=90.0;
+
+static particleSystem *ps;
+
+static float gettime()
+{
+  static clock_t told=0;
+  clock_t tnew,ris;
+
+  tnew=clock();
+
+  ris=tnew-told;
+
+  told=tnew;
+
+  return(ris/(float)CLOCKS_PER_SEC);
+}
+
+static float gettimerain()
+{
+  static clock_t told=0;
+  clock_t tnew,ris;
+
+  tnew=clock();
+
+  ris=tnew-told;
+
+  told=tnew;
+
+  return(ris/(float)CLOCKS_PER_SEC);
+}
+
+static void calcposobs(void)
+{
+  dir[0]=sin(alpha*M_PI/180.0);
+  dir[2]=cos(alpha*M_PI/180.0)*sin(beta*M_PI/180.0);
+  dir[1]=cos(beta*M_PI/180.0);
+
+  obs[0]+=v*dir[0];
+  obs[1]+=v*dir[1];
+  obs[2]+=v*dir[2];
+
+  rainParticle::setRainingArea(obs[0]-7.0f,-0.2f,obs[2]-7.0f,obs[0]+7.0f,8.0f,obs[2]+7.0f);
+}
+
+static void printstring(void *font, char *string)
+{
+  int len,i;
+
+  len=(int)strlen(string);
+  for(i=0;i<len;i++)
+    glutBitmapCharacter(font,string[i]);
+}
+
+static void reshape(int width, int height)
+{
+  WIDTH=width;
+  HEIGHT=height;
+  glViewport(0,0,(GLint)width,(GLint)height);
+  glMatrixMode(GL_PROJECTION);
+  glLoadIdentity();
+  gluPerspective(70.0,width/(float)height,0.1,30.0);
+
+  glMatrixMode(GL_MODELVIEW);
+}
+
+static void printhelp(void)
+{
+  glEnable(GL_BLEND);
+  glColor4f(0.0,0.0,0.0,0.5);
+  glRecti(40,40,600,440);
+  glDisable(GL_BLEND);
+
+  glColor3f(1.0,0.0,0.0);
+  glRasterPos2i(300,420);
+  printstring(GLUT_BITMAP_TIMES_ROMAN_24,"Help");
+
+  glRasterPos2i(60,390);
+  printstring(GLUT_BITMAP_TIMES_ROMAN_24,"h - Toggle Help");
+
+  glRasterPos2i(60,360);
+  printstring(GLUT_BITMAP_TIMES_ROMAN_24,"f - Toggle Fog");
+  glRasterPos2i(60,330);
+  printstring(GLUT_BITMAP_TIMES_ROMAN_24,"Arrow Keys - Rotate");
+  glRasterPos2i(60,300);
+  printstring(GLUT_BITMAP_TIMES_ROMAN_24,"a - Increase velocity");
+  glRasterPos2i(60,270);
+  printstring(GLUT_BITMAP_TIMES_ROMAN_24,"z - Decrease velocity");
+  glRasterPos2i(60,240);
+  printstring(GLUT_BITMAP_TIMES_ROMAN_24,"l - Increase rain length");
+  glRasterPos2i(60,210);
+  printstring(GLUT_BITMAP_TIMES_ROMAN_24,"k - Increase rain length");
+}
+
+static void drawrain(void)
+{
+  static int count=0;
+  static char frbuf[80];
+  float fr;
+
+  glEnable(GL_DEPTH_TEST);
+
+  if(fog)
+    glEnable(GL_FOG);
+  else
+    glDisable(GL_FOG);
+
+  glDepthMask(GL_TRUE);
+  glClearColor(1.0,1.0,1.0,1.0);
+  glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
+
+  glPushMatrix();
+  calcposobs();
+  gluLookAt(obs[0],obs[1],obs[2],
+	    obs[0]+dir[0],obs[1]+dir[1],obs[2]+dir[2],
+	    0.0,1.0,0.0);
+
+  glColor4f(1.0,1.0,1.0,1.0);
+
+  glEnable(GL_TEXTURE_2D);
+
+  glBindTexture(GL_TEXTURE_2D,groundid);
+  glBegin(GL_QUADS);
+  glTexCoord2fv(qt[0]);
+  glVertex3fv(q[0]);
+  glTexCoord2fv(qt[1]);
+  glVertex3fv(q[1]);
+  glTexCoord2fv(qt[2]);
+  glVertex3fv(q[2]);
+  glTexCoord2fv(qt[3]);
+  glVertex3fv(q[3]);
+  glEnd();
+
+  // Particle System
+
+  glDisable(GL_TEXTURE_2D);
+  glShadeModel(GL_SMOOTH);
+  glEnable(GL_BLEND);
+
+  ps->draw();
+  ps->addTime(gettimerain());
+  
+  glShadeModel(GL_FLAT);
+ 
+
+  if((count % FRAME)==0) {
+    fr=gettime();
+    sprintf(frbuf,"Frame rate: %f",FRAME/fr);
+  }
+
+  glDisable(GL_TEXTURE_2D);
+  glDisable(GL_DEPTH_TEST);
+  glDisable(GL_FOG);
+
+  glMatrixMode(GL_PROJECTION);
+  glLoadIdentity();
+  glOrtho(-0.5,639.5,-0.5,479.5,-1.0,1.0);
+  glMatrixMode(GL_MODELVIEW);
+  glLoadIdentity();
+
+  glColor3f(1.0,0.0,0.0);
+  glRasterPos2i(10,10);
+  printstring(GLUT_BITMAP_HELVETICA_18,frbuf);
+  glRasterPos2i(350,470);
+  printstring(GLUT_BITMAP_HELVETICA_10,"Rain V1.0 Written by David Bucciarelli (humanware@plus.it)");
+
+  if(help)
+    printhelp();
+
+  reshape(WIDTH,HEIGHT);
+  glPopMatrix();
+
+  glutSwapBuffers();
+
+  count++;
+}
+
+
+static void special(int key, int x, int y)
+{
+  switch (key) {
+  case GLUT_KEY_LEFT:
+    alpha+=2.0;
+    break;
+  case GLUT_KEY_RIGHT:
+    alpha-=2.0;
+    break;
+  case GLUT_KEY_DOWN:
+    beta-=2.0;
+    break;
+  case GLUT_KEY_UP:
+    beta+=2.0;
+    break;
+  }
+}
+
+static void key(unsigned char key, int x, int y)
+{
+  switch (key) {
+  case 27:
+    exit(0);
+    break;
+
+  case 'a':
+    v+=0.01;
+    break;
+  case 'z':
+    v-=0.01;
+    break;
+
+  case 'l':
+    rainParticle::setLength(rainParticle::getLength()+0.025f);
+    break;
+  case 'k':
+    rainParticle::setLength(rainParticle::getLength()-0.025f);
+    break;
+
+  case 'h':
+    help=(!help);
+    break;
+  case 'f':
+    fog=(!fog);
+    break;
+#ifdef XMESA
+  case ' ':
+    XMesaSetFXmode(fullscreen ? XMESA_FX_FULLSCREEN : XMESA_FX_WINDOW);
+    fullscreen=(!fullscreen);
+    break;
+#endif
+  }
+}
+
+static void inittextures(void)
+{
+  GLubyte *img;
+  GLint width,height;
+  GLenum format;
+  GLenum gluerr;
+
+  glGenTextures(1,&groundid);
+  glBindTexture(GL_TEXTURE_2D,groundid);
+
+  if(!(img=LoadRGBImage("../images/s128.rgb",&width,&height,&format))){
+  	fprintf(stderr,"Error reading a texture.\n");
+  	exit(-1);
+  }
+  glPixelStorei(GL_UNPACK_ALIGNMENT,4);
+  if((gluerr=(GLenum)gluBuild2DMipmaps(GL_TEXTURE_2D, 3, width, height,GL_RGB,
+			       GL_UNSIGNED_BYTE, (GLvoid *)(img)))) {
+    fprintf(stderr,"GLULib%s\n",gluErrorString(gluerr));
+    exit(-1);
+  }
+
+  glTexParameterf(GL_TEXTURE_2D,GL_TEXTURE_WRAP_S,GL_REPEAT);
+  glTexParameterf(GL_TEXTURE_2D,GL_TEXTURE_WRAP_T,GL_REPEAT);
+
+  glTexParameterf(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR_MIPMAP_LINEAR);
+  glTexParameterf(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR);
+
+  glTexEnvf(GL_TEXTURE_ENV,GL_TEXTURE_ENV_MODE,GL_DECAL);
+}
+
+static void initparticle(void)
+{
+  ps=new particleSystem;
+
+  rainParticle::setRainingArea(-7.0f,-0.2f,-7.0f,7.0f,8.0f,7.0f);
+
+  for(int i=0;i<NUMPART;i++) {
+    rainParticle *p=new rainParticle;
+    p->randomHeight();
+
+    ps->addParticle((particle *)p);
+  }
+}
+
+int main(int ac,char **av)
+{
+  fprintf(stderr,"Rain V1.0\nWritten by David Bucciarelli (humanware@plus.it)\n");
+
+  /* Default settings */
+
+  WIDTH=640;
+  HEIGHT=480;
+
+  glutInitWindowPosition(0,0);
+  glutInitWindowSize(WIDTH,HEIGHT);
+  glutInit(&ac,av);
+
+  glutInitDisplayMode(GLUT_RGB|GLUT_DEPTH|GLUT_DOUBLE);
+
+  if(!(win=glutCreateWindow("Rain"))) {
+    fprintf(stderr,"Error opening a window.\n");
+    exit(-1);
+  }
+  
+  reshape(WIDTH,HEIGHT);
+
+  inittextures();
+
+  glShadeModel(GL_FLAT);
+  glEnable(GL_DEPTH_TEST);
+
+  glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
+
+  glEnable(GL_FOG);
+  glFogi(GL_FOG_MODE,GL_EXP);
+  glFogfv(GL_FOG_COLOR,fogcolor);
+  glFogf(GL_FOG_DENSITY,0.1);
+#ifdef FX
+  glHint(GL_FOG_HINT,GL_NICEST);
+#endif
+
+  initparticle();
+
+  glutKeyboardFunc(key);
+  glutSpecialFunc(special);
+  glutDisplayFunc(drawrain);
+  glutIdleFunc(drawrain);
+  glutReshapeFunc(reshape);
+  glutMainLoop();
+
+  return(0);
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/ray.c b/nx-X11/extras/Mesa_6.4.2/progs/demos/ray.c
new file mode 100644
index 000000000..eb1d19f86
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/ray.c
@@ -0,0 +1,902 @@
+/*
+ * This program is under the GNU GPL.
+ * Use at your own risk.
+ *
+ * written by David Bucciarelli (tech.hmw@plus.it)
+ *            Humanware s.r.l.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+
+#ifdef WIN32
+#include <windows.h>
+#endif
+
+#include <GL/glut.h>
+
+#ifdef XMESA
+#include "GL/xmesa.h"
+static int fullscreen = 1;
+#endif
+
+static int WIDTH = 640;
+static int HEIGHT = 480;
+
+static GLint T0 = 0;
+static GLint Frames = 0;
+
+#define BASESIZE 7.5f
+#define SPHERE_RADIUS 0.75f
+
+#define TEX_CHECK_WIDTH 256
+#define TEX_CHECK_HEIGHT 256
+#define TEX_CHECK_SLOT_SIZE (TEX_CHECK_HEIGHT/16)
+#define TEX_CHECK_NUMSLOT (TEX_CHECK_HEIGHT/TEX_CHECK_SLOT_SIZE)
+
+#define TEX_REFLECT_WIDTH 256
+#define TEX_REFLECT_HEIGHT 256
+#define TEX_REFLECT_SLOT_SIZE (TEX_REFLECT_HEIGHT/16)
+#define TEX_REFLECT_NUMSLOT (TEX_REFLECT_HEIGHT/TEX_REFLECT_SLOT_SIZE)
+
+#ifndef M_PI
+#define M_PI 3.1415926535
+#endif
+
+#define EPSILON 0.0001
+
+#define clamp255(a)  ( (a)<(0.0f) ? (0.0f) : ((a)>(255.0f) ? (255.0f) : (a)) )
+
+#define fabs(x) ((x)<0.0f?-(x):(x))
+
+#define vequ(a,b) { (a)[0]=(b)[0]; (a)[1]=(b)[1]; (a)[2]=(b)[2]; }
+#define vsub(a,b,c) { (a)[0]=(b)[0]-(c)[0]; (a)[1]=(b)[1]-(c)[1]; (a)[2]=(b)[2]-(c)[2]; }
+#define	dprod(a,b) ((a)[0]*(b)[0]+(a)[1]*(b)[1]+(a)[2]*(b)[2])
+#define vnormalize(a,b) { \
+  register float m_norm; \
+  m_norm=sqrt((double)dprod((a),(a))); \
+  (a)[0] /=m_norm; \
+  (a)[1] /=m_norm; \
+  (a)[2] /=m_norm; }
+
+static GLubyte checkmap[TEX_CHECK_HEIGHT][TEX_CHECK_WIDTH][3];
+static GLuint checkid;
+static int checkmap_currentslot = 0;
+
+static GLubyte reflectmap[TEX_REFLECT_HEIGHT][TEX_REFLECT_WIDTH][3];
+static GLuint reflectid;
+static int reflectmap_currentslot = 0;
+
+static GLuint lightdlist;
+static GLuint objdlist;
+
+static float lightpos[3] = { 2.1, 2.1, 2.8 };
+static float objpos[3] = { 0.0, 0.0, 1.0 };
+
+static float sphere_pos[TEX_CHECK_HEIGHT][TEX_REFLECT_WIDTH][3];
+
+static int win = 0;
+
+static float fogcolor[4] = { 0.05, 0.05, 0.05, 1.0 };
+
+static float obs[3] = { 7.0, 0.0, 2.0 };
+static float dir[3];
+static float v = 0.0;
+static float alpha = -90.0;
+static float beta = 90.0;
+
+static int fog = 1;
+static int bfcull = 1;
+static int poutline = 0;
+static int help = 1;
+static int showcheckmap = 1;
+static int showreflectmap = 1;
+static int joyavailable = 0;
+static int joyactive = 0;
+
+static void
+calcposobs(void)
+{
+   dir[0] = sin(alpha * M_PI / 180.0);
+   dir[1] = cos(alpha * M_PI / 180.0) * sin(beta * M_PI / 180.0);
+   dir[2] = cos(beta * M_PI / 180.0);
+
+   if (dir[0] < 1.0e-5 && dir[0] > -1.0e-5)
+      dir[0] = 0;
+   if (dir[1] < 1.0e-5 && dir[1] > -1.0e-5)
+      dir[1] = 0;
+   if (dir[2] < 1.0e-5 && dir[2] > -1.0e-5)
+      dir[2] = 0;
+
+   obs[0] += v * dir[0];
+   obs[1] += v * dir[1];
+   obs[2] += v * dir[2];
+}
+
+static void
+special(int k, int x, int y)
+{
+   switch (k) {
+   case GLUT_KEY_LEFT:
+      alpha -= 2.0;
+      break;
+   case GLUT_KEY_RIGHT:
+      alpha += 2.0;
+      break;
+   case GLUT_KEY_DOWN:
+      beta -= 2.0;
+      break;
+   case GLUT_KEY_UP:
+      beta += 2.0;
+      break;
+   }
+}
+
+static void
+key(unsigned char k, int x, int y)
+{
+   switch (k) {
+   case 27:
+      exit(0);
+      break;
+
+   case 's':
+      lightpos[1] -= 0.1;
+      break;
+   case 'd':
+      lightpos[1] += 0.1;
+      break;
+   case 'e':
+      lightpos[0] -= 0.1;
+      break;
+   case 'x':
+      lightpos[0] += 0.1;
+      break;
+   case 'w':
+      lightpos[2] -= 0.1;
+      break;
+   case 'r':
+      lightpos[2] += 0.1;
+      break;
+
+   case 'j':
+      objpos[1] -= 0.1;
+      break;
+   case 'k':
+      objpos[1] += 0.1;
+      break;
+   case 'i':
+      objpos[0] -= 0.1;
+      break;
+   case 'm':
+      objpos[0] += 0.1;
+      break;
+   case 'u':
+      objpos[2] -= 0.1;
+      break;
+   case 'o':
+      objpos[2] += 0.1;
+      break;
+
+   case 'a':
+      v += 0.005;
+      break;
+   case 'z':
+      v -= 0.005;
+      break;
+
+   case 'g':
+      joyactive = (!joyactive);
+      break;
+   case 'h':
+      help = (!help);
+      break;
+   case 'f':
+      fog = (!fog);
+      break;
+
+   case '1':
+      showcheckmap = (!showcheckmap);
+      break;
+   case '2':
+      showreflectmap = (!showreflectmap);
+      break;
+
+   case 'b':
+      if (bfcull) {
+	 glDisable(GL_CULL_FACE);
+	 bfcull = 0;
+      }
+      else {
+	 glEnable(GL_CULL_FACE);
+	 bfcull = 1;
+      }
+      break;
+   case 'p':
+      if (poutline) {
+	 glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
+	 poutline = 0;
+      }
+      else {
+	 glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
+	 poutline = 1;
+      }
+      break;
+#ifdef XMESA
+   case ' ':
+      XMesaSetFXmode(fullscreen ? XMESA_FX_FULLSCREEN : XMESA_FX_WINDOW);
+      fullscreen = (!fullscreen);
+      break;
+#endif
+   }
+}
+
+static void
+reshape(int w, int h)
+{
+   WIDTH = w;
+   HEIGHT = h;
+   glViewport(0, 0, w, h);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   gluPerspective(45.0, w / (float) h, 0.8, 40.0);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+}
+
+static void
+printstring(void *font, char *string)
+{
+   int len, i;
+
+   len = (int) strlen(string);
+   for (i = 0; i < len; i++)
+      glutBitmapCharacter(font, string[i]);
+}
+
+static void
+printhelp(void)
+{
+   glEnable(GL_BLEND);
+   glColor4f(0.5, 0.5, 0.5, 0.5);
+   glRecti(40, 40, 600, 440);
+   glDisable(GL_BLEND);
+
+   glColor3f(0.0, 0.0, 1.0);
+   glRasterPos2i(300, 420);
+   printstring(GLUT_BITMAP_HELVETICA_18, "Help");
+
+   glRasterPos2i(60, 390);
+   printstring(GLUT_BITMAP_HELVETICA_12, "h - Toggle Help");
+   glRasterPos2i(60, 370);
+   printstring(GLUT_BITMAP_HELVETICA_12, "f - Toggle Fog");
+   glRasterPos2i(60, 350);
+   printstring(GLUT_BITMAP_HELVETICA_12, "b - Toggle Back face culling");
+   glRasterPos2i(60, 330);
+   printstring(GLUT_BITMAP_HELVETICA_12, "p - Toggle Wire frame");
+   glRasterPos2i(60, 310);
+   printstring(GLUT_BITMAP_HELVETICA_12, "Arrow Keys - Rotate");
+   glRasterPos2i(60, 290);
+   printstring(GLUT_BITMAP_HELVETICA_12, "a - Increase velocity");
+   glRasterPos2i(60, 270);
+   printstring(GLUT_BITMAP_HELVETICA_12, "z - Decrease velocity");
+
+   glRasterPos2i(60, 250);
+   if (joyavailable)
+      printstring(GLUT_BITMAP_HELVETICA_12,
+		  "j - Toggle jostick control (Joystick control available)");
+   else
+      printstring(GLUT_BITMAP_HELVETICA_12,
+		  "(No Joystick control available)");
+
+   glRasterPos2i(60, 230);
+   printstring(GLUT_BITMAP_HELVETICA_12,
+	       "To move the light source: s - left,  d - right,  e - far,  x - near,  w - down r - up");
+   glRasterPos2i(60, 210);
+   printstring(GLUT_BITMAP_HELVETICA_12,
+	       "To move the mirror sphere: j - left,  k - right,  i - far,  m - near,  u - down o - up");
+
+   glRasterPos2i(60, 190);
+   printstring(GLUT_BITMAP_HELVETICA_12,
+	       "1 - Toggle the plane texture map window");
+
+   glRasterPos2i(60, 170);
+   printstring(GLUT_BITMAP_HELVETICA_12,
+	       "2 - Toggle the sphere texture map window");
+}
+
+static GLboolean
+seelight(float p[3], float dir[3])
+{
+   float c[3], b, a, d, t, dist[3];
+
+   vsub(c, p, objpos);
+   b = -dprod(c, dir);
+   a = dprod(c, c) - SPHERE_RADIUS * SPHERE_RADIUS;
+
+   if ((d = b * b - a) < 0.0 || (b < 0.0 && a > 0.0))
+      return GL_FALSE;
+
+   d = sqrt(d);
+
+   t = b - d;
+
+   if (t < EPSILON) {
+      t = b + d;
+      if (t < EPSILON)
+	 return GL_FALSE;
+   }
+
+   vsub(dist, lightpos, p);
+   if (dprod(dist, dist) < t * t)
+      return GL_FALSE;
+
+   return GL_TRUE;
+}
+
+static int
+colorcheckmap(float ppos[3], float c[3])
+{
+   static float norm[3] = { 0.0f, 0.0f, 1.0f };
+   float ldir[3], vdir[3], h[3], dfact, kfact, r, g, b;
+   int x, y;
+
+   x = (int) ((ppos[0] + BASESIZE / 2) * (10.0f / BASESIZE));
+   if ((x < 0) || (x > 10))
+      return GL_FALSE;
+
+   y = (int) ((ppos[1] + BASESIZE / 2) * (10.0f / BASESIZE));
+   if ((y < 0) || (y > 10))
+      return GL_FALSE;
+
+   r = 255.0f;
+   if (y & 1) {
+      if (x & 1)
+	 g = 255.0f;
+      else
+	 g = 0.0f;
+   }
+   else {
+      if (x & 1)
+	 g = 0.0f;
+      else
+	 g = 255.0f;
+   }
+   b = 0.0f;
+
+   vsub(ldir, lightpos, ppos);
+   vnormalize(ldir, ldir);
+
+   if (seelight(ppos, ldir)) {
+      c[0] = r * 0.05f;
+      c[1] = g * 0.05f;
+      c[2] = b * 0.05f;
+
+      return GL_TRUE;
+   }
+
+   dfact = dprod(ldir, norm);
+   if (dfact < 0.0f)
+      dfact = 0.0f;
+
+   vsub(vdir, obs, ppos);
+   vnormalize(vdir, vdir);
+   h[0] = 0.5f * (vdir[0] + ldir[0]);
+   h[1] = 0.5f * (vdir[1] + ldir[1]);
+   h[2] = 0.5f * (vdir[2] + ldir[2]);
+   kfact = dprod(h, norm);
+   kfact = pow(kfact, 6.0) * 7.0 * 255.0;
+
+   r = r * dfact + kfact;
+   g = g * dfact + kfact;
+   b = b * dfact + kfact;
+
+   c[0] = clamp255(r);
+   c[1] = clamp255(g);
+   c[2] = clamp255(b);
+
+   return GL_TRUE;
+}
+
+static void
+updatecheckmap(int slot)
+{
+   float c[3], ppos[3];
+   int x, y;
+
+   glBindTexture(GL_TEXTURE_2D, checkid);
+
+   ppos[2] = 0.0f;
+   for (y = slot * TEX_CHECK_SLOT_SIZE; y < (slot + 1) * TEX_CHECK_SLOT_SIZE;
+	y++) {
+      ppos[1] = (y / (float) TEX_CHECK_HEIGHT) * BASESIZE - BASESIZE / 2;
+
+      for (x = 0; x < TEX_CHECK_WIDTH; x++) {
+	 ppos[0] = (x / (float) TEX_CHECK_WIDTH) * BASESIZE - BASESIZE / 2;
+
+	 colorcheckmap(ppos, c);
+	 checkmap[y][x][0] = (GLubyte) c[0];
+	 checkmap[y][x][1] = (GLubyte) c[1];
+	 checkmap[y][x][2] = (GLubyte) c[2];
+      }
+   }
+
+   glTexSubImage2D(GL_TEXTURE_2D, 0, 0, slot * TEX_CHECK_SLOT_SIZE,
+		   TEX_CHECK_WIDTH, TEX_CHECK_SLOT_SIZE, GL_RGB,
+		   GL_UNSIGNED_BYTE,
+		   &checkmap[slot * TEX_CHECK_SLOT_SIZE][0][0]);
+
+}
+
+static void
+updatereflectmap(int slot)
+{
+   float rf, r, g, b, t, dfact, kfact, rdir[3];
+   float rcol[3], ppos[3], norm[3], ldir[3], h[3], vdir[3], planepos[3];
+   int x, y;
+
+   glBindTexture(GL_TEXTURE_2D, reflectid);
+
+   for (y = slot * TEX_REFLECT_SLOT_SIZE;
+	y < (slot + 1) * TEX_REFLECT_SLOT_SIZE; y++)
+      for (x = 0; x < TEX_REFLECT_WIDTH; x++) {
+	 ppos[0] = sphere_pos[y][x][0] + objpos[0];
+	 ppos[1] = sphere_pos[y][x][1] + objpos[1];
+	 ppos[2] = sphere_pos[y][x][2] + objpos[2];
+
+	 vsub(norm, ppos, objpos);
+	 vnormalize(norm, norm);
+
+	 vsub(ldir, lightpos, ppos);
+	 vnormalize(ldir, ldir);
+	 vsub(vdir, obs, ppos);
+	 vnormalize(vdir, vdir);
+
+	 rf = 2.0f * dprod(norm, vdir);
+	 if (rf > EPSILON) {
+	    rdir[0] = rf * norm[0] - vdir[0];
+	    rdir[1] = rf * norm[1] - vdir[1];
+	    rdir[2] = rf * norm[2] - vdir[2];
+
+	    t = -objpos[2] / rdir[2];
+
+	    if (t > EPSILON) {
+	       planepos[0] = objpos[0] + t * rdir[0];
+	       planepos[1] = objpos[1] + t * rdir[1];
+	       planepos[2] = 0.0f;
+
+	       if (!colorcheckmap(planepos, rcol))
+		  rcol[0] = rcol[1] = rcol[2] = 0.0f;
+	    }
+	    else
+	       rcol[0] = rcol[1] = rcol[2] = 0.0f;
+	 }
+	 else
+	    rcol[0] = rcol[1] = rcol[2] = 0.0f;
+
+	 dfact = 0.1f * dprod(ldir, norm);
+
+	 if (dfact < 0.0f) {
+	    dfact = 0.0f;
+	    kfact = 0.0f;
+	 }
+	 else {
+	    h[0] = 0.5f * (vdir[0] + ldir[0]);
+	    h[1] = 0.5f * (vdir[1] + ldir[1]);
+	    h[2] = 0.5f * (vdir[2] + ldir[2]);
+	    kfact = dprod(h, norm);
+            kfact = pow(kfact, 4.0);
+            if (kfact < 1.0e-10)
+               kfact = 0.0;
+         }
+
+	 r = dfact + kfact;
+	 g = dfact + kfact;
+	 b = dfact + kfact;
+
+	 r *= 255.0f;
+	 g *= 255.0f;
+	 b *= 255.0f;
+
+	 r += rcol[0];
+	 g += rcol[1];
+	 b += rcol[2];
+
+	 r = clamp255(r);
+	 g = clamp255(g);
+	 b = clamp255(b);
+
+	 reflectmap[y][x][0] = (GLubyte) r;
+	 reflectmap[y][x][1] = (GLubyte) g;
+	 reflectmap[y][x][2] = (GLubyte) b;
+      }
+
+   glTexSubImage2D(GL_TEXTURE_2D, 0, 0, slot * TEX_REFLECT_SLOT_SIZE,
+		   TEX_REFLECT_WIDTH, TEX_REFLECT_SLOT_SIZE, GL_RGB,
+		   GL_UNSIGNED_BYTE,
+		   &reflectmap[slot * TEX_REFLECT_SLOT_SIZE][0][0]);
+}
+
+static void
+drawbase(void)
+{
+   glColor3f(0.0, 0.0, 0.0);
+   glBindTexture(GL_TEXTURE_2D, checkid);
+   glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+
+   glBegin(GL_QUADS);
+   glTexCoord2f(0.0f, 0.0f);
+   glVertex3f(-BASESIZE / 2.0f, -BASESIZE / 2.0f, 0.0f);
+
+   glTexCoord2f(1.0f, 0.0f);
+   glVertex3f(BASESIZE / 2.0f, -BASESIZE / 2.0f, 0.0f);
+
+   glTexCoord2f(1.0f, 1.0f);
+   glVertex3f(BASESIZE / 2.0f, BASESIZE / 2.0f, 0.0f);
+
+   glTexCoord2f(0.0f, 1.0f);
+   glVertex3f(-BASESIZE / 2.0f, BASESIZE / 2.0f, 0.0f);
+
+   glEnd();
+}
+
+static void
+drawobj(void)
+{
+   glColor3f(0.0, 0.0, 0.0);
+   glBindTexture(GL_TEXTURE_2D, reflectid);
+   glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+
+   glPushMatrix();
+   glTranslatef(objpos[0], objpos[1], objpos[2]);
+   glCallList(objdlist);
+   glPopMatrix();
+}
+
+static void
+dojoy(void)
+{
+#ifdef WIN32
+   static UINT max[2] = { 0, 0 };
+   static UINT min[2] = { 0xffffffff, 0xffffffff }, center[2];
+   MMRESULT res;
+   JOYINFO joy;
+
+   res = joyGetPos(JOYSTICKID1, &joy);
+
+   if (res == JOYERR_NOERROR) {
+      joyavailable = 1;
+
+      if (max[0] < joy.wXpos)
+	 max[0] = joy.wXpos;
+      if (min[0] > joy.wXpos)
+	 min[0] = joy.wXpos;
+      center[0] = (max[0] + min[0]) / 2;
+
+      if (max[1] < joy.wYpos)
+	 max[1] = joy.wYpos;
+      if (min[1] > joy.wYpos)
+	 min[1] = joy.wYpos;
+      center[1] = (max[1] + min[1]) / 2;
+
+      if (joyactive) {
+	 if (fabs(center[0] - (float) joy.wXpos) > 0.1 * (max[0] - min[0]))
+	    alpha -=
+	       2.5 * (center[0] - (float) joy.wXpos) / (max[0] - min[0]);
+	 if (fabs(center[1] - (float) joy.wYpos) > 0.1 * (max[1] - min[1]))
+	    beta += 2.5 * (center[1] - (float) joy.wYpos) / (max[1] - min[1]);
+
+	 if (joy.wButtons & JOY_BUTTON1)
+	    v += 0.005;
+	 if (joy.wButtons & JOY_BUTTON2)
+	    v -= 0.005;
+      }
+   }
+   else
+      joyavailable = 0;
+#endif
+}
+
+static void
+updatemaps(void)
+{
+   updatecheckmap(checkmap_currentslot);
+   checkmap_currentslot = (checkmap_currentslot + 1) % TEX_CHECK_NUMSLOT;
+
+   updatereflectmap(reflectmap_currentslot);
+   reflectmap_currentslot =
+      (reflectmap_currentslot + 1) % TEX_REFLECT_NUMSLOT;
+}
+
+static void
+draw(void)
+{
+   static char frbuf[80] = "";
+
+   dojoy();
+
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+   glEnable(GL_TEXTURE_2D);
+   glEnable(GL_DEPTH_TEST);
+   if (fog)
+      glEnable(GL_FOG);
+   else
+      glDisable(GL_FOG);
+
+   glPushMatrix();
+   calcposobs();
+
+   gluLookAt(obs[0], obs[1], obs[2],
+	     obs[0] + dir[0], obs[1] + dir[1], obs[2] + dir[2],
+	     0.0, 0.0, 1.0);
+
+   drawbase();
+   drawobj();
+
+   glColor3f(1.0, 1.0, 1.0);
+   glDisable(GL_TEXTURE_2D);
+
+   glPushMatrix();
+   glTranslatef(lightpos[0], lightpos[1], lightpos[2]);
+   glCallList(lightdlist);
+   glPopMatrix();
+
+   glPopMatrix();
+
+   glDisable(GL_DEPTH_TEST);
+   glDisable(GL_FOG);
+
+   glMatrixMode(GL_PROJECTION);
+   glPushMatrix();
+   glLoadIdentity();
+   glOrtho(-0.5, 639.5, -0.5, 479.5, -1.0, 1.0);
+   glMatrixMode(GL_MODELVIEW);
+
+   glColor3f(0.0f, 0.3f, 1.0f);
+
+   if (showcheckmap) {
+      glEnable(GL_TEXTURE_2D);
+      glBindTexture(GL_TEXTURE_2D, checkid);
+      glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+
+      glBegin(GL_QUADS);
+      glTexCoord2f(1.0f, 0.0f);
+      glVertex2i(10, 30);
+      glTexCoord2f(1.0f, 1.0f);
+      glVertex2i(10 + 90, 30);
+      glTexCoord2f(0.0f, 1.0f);
+      glVertex2i(10 + 90, 30 + 90);
+      glTexCoord2f(0.0f, 0.0f);
+      glVertex2i(10, 30 + 90);
+      glEnd();
+
+      glDisable(GL_TEXTURE_2D);
+      glBegin(GL_LINE_LOOP);
+      glVertex2i(10, 30);
+      glVertex2i(10 + 90, 30);
+      glVertex2i(10 + 90, 30 + 90);
+      glVertex2i(10, 30 + 90);
+      glEnd();
+      glRasterPos2i(105, 65);
+      printstring(GLUT_BITMAP_HELVETICA_18, "Plane Texture Map");
+   }
+
+   if (showreflectmap) {
+      glEnable(GL_TEXTURE_2D);
+      glBindTexture(GL_TEXTURE_2D, reflectid);
+      glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+
+      glBegin(GL_QUADS);
+      glTexCoord2f(1.0f, 0.0f);
+      glVertex2i(540, 30);
+      glTexCoord2f(1.0f, 1.0f);
+      glVertex2i(540 + 90, 30);
+      glTexCoord2f(0.0f, 1.0f);
+      glVertex2i(540 + 90, 30 + 90);
+      glTexCoord2f(0.0f, 0.0f);
+      glVertex2i(540, 30 + 90);
+      glEnd();
+
+      glDisable(GL_TEXTURE_2D);
+      glBegin(GL_LINE_LOOP);
+      glVertex2i(540, 30);
+      glVertex2i(540 + 90, 30);
+      glVertex2i(540 + 90, 30 + 90);
+      glVertex2i(540, 30 + 90);
+      glEnd();
+      glRasterPos2i(360, 65);
+      printstring(GLUT_BITMAP_HELVETICA_18, "Sphere Texture Map");
+   }
+
+   glDisable(GL_TEXTURE_2D);
+
+   glRasterPos2i(10, 10);
+   printstring(GLUT_BITMAP_HELVETICA_18, frbuf);
+   glRasterPos2i(360, 470);
+   printstring(GLUT_BITMAP_HELVETICA_10,
+	       "Ray V1.0 Written by David Bucciarelli (tech.hmw@plus.it)");
+
+   if (help)
+      printhelp();
+
+   glMatrixMode(GL_PROJECTION);
+   glPopMatrix();
+   glMatrixMode(GL_MODELVIEW);
+
+   updatemaps();
+
+   glutSwapBuffers();
+
+   Frames++;
+   {
+      GLint t = glutGet(GLUT_ELAPSED_TIME);
+      if (t - T0 >= 2000) {
+         GLfloat seconds = (t - T0) / 1000.0;
+         GLfloat fps = Frames / seconds;
+         sprintf(frbuf, "Frame rate: %f", fps);
+         T0 = t;
+         Frames = 0;
+      }
+   }
+}
+
+static void
+inittextures(void)
+{
+   int y;
+
+   glGenTextures(1, &checkid);
+   glBindTexture(GL_TEXTURE_2D, checkid);
+
+   glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+   glTexImage2D(GL_TEXTURE_2D, 0, 3, TEX_CHECK_WIDTH, TEX_CHECK_HEIGHT,
+		0, GL_RGB, GL_UNSIGNED_BYTE, checkmap);
+
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+
+   for (y = 0; y < TEX_CHECK_NUMSLOT; y++)
+      updatecheckmap(y);
+
+
+
+   glGenTextures(1, &reflectid);
+   glBindTexture(GL_TEXTURE_2D, reflectid);
+
+   glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+   glTexImage2D(GL_TEXTURE_2D, 0, 3, TEX_REFLECT_WIDTH, TEX_REFLECT_HEIGHT,
+		0, GL_RGB, GL_UNSIGNED_BYTE, reflectmap);
+
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+
+   for (y = 0; y < TEX_REFLECT_NUMSLOT; y++)
+      updatereflectmap(y);
+
+
+}
+
+static void
+initspherepos(void)
+{
+   float alpha, beta, sa, ca, sb, cb;
+   int x, y;
+
+   for (y = 0; y < TEX_REFLECT_HEIGHT; y++) {
+      beta = M_PI - y * (M_PI / TEX_REFLECT_HEIGHT);
+
+      for (x = 0; x < TEX_REFLECT_WIDTH; x++) {
+	 alpha = -x * (2.0f * M_PI / TEX_REFLECT_WIDTH);
+
+	 sa = sin(alpha);
+	 ca = cos(alpha);
+
+	 sb = sin(beta);
+	 cb = cos(beta);
+
+	 sphere_pos[y][x][0] = SPHERE_RADIUS * sa * sb;
+	 sphere_pos[y][x][1] = SPHERE_RADIUS * ca * sb;
+	 sphere_pos[y][x][2] = SPHERE_RADIUS * cb;
+      }
+   }
+}
+
+static void
+initdlists(void)
+{
+   GLUquadricObj *obj;
+
+   obj = gluNewQuadric();
+
+   lightdlist = glGenLists(1);
+   glNewList(lightdlist, GL_COMPILE);
+   gluQuadricDrawStyle(obj, GLU_FILL);
+   gluQuadricNormals(obj, GLU_NONE);
+   gluQuadricTexture(obj, GL_TRUE);
+   gluSphere(obj, 0.25f, 6, 6);
+   glEndList();
+
+   objdlist = glGenLists(1);
+   glNewList(objdlist, GL_COMPILE);
+   gluQuadricDrawStyle(obj, GLU_FILL);
+   gluQuadricNormals(obj, GLU_NONE);
+   gluQuadricTexture(obj, GL_TRUE);
+   gluSphere(obj, SPHERE_RADIUS, 16, 16);
+   glEndList();
+}
+
+int
+main(int ac, char **av)
+{
+   fprintf(stderr,
+	   "Ray V1.0\nWritten by David Bucciarelli (tech.hmw@plus.it)\n");
+
+   /*
+      if(!SetPriorityClass(GetCurrentProcess(),REALTIME_PRIORITY_CLASS)) {
+      fprintf(stderr,"Error setting the process class.\n");
+      return 0;
+      }
+
+      if(!SetThreadPriority(GetCurrentThread(),THREAD_PRIORITY_TIME_CRITICAL)) {
+      fprintf(stderr,"Error setting the process priority.\n");
+      return 0;
+      }
+    */
+
+   glutInitWindowPosition(0, 0);
+   glutInitWindowSize(WIDTH, HEIGHT);
+   glutInit(&ac, av);
+
+   glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE);
+
+   if (!(win = glutCreateWindow("Ray"))) {
+      fprintf(stderr, "Error, couldn't open window\n");
+      return -1;
+   }
+
+   reshape(WIDTH, HEIGHT);
+
+   glShadeModel(GL_FLAT);
+   glEnable(GL_DEPTH_TEST);
+   glDepthFunc(GL_LEQUAL);
+   glEnable(GL_CULL_FACE);
+   glEnable(GL_TEXTURE_2D);
+   glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+
+   glEnable(GL_FOG);
+   glFogi(GL_FOG_MODE, GL_EXP2);
+   glFogfv(GL_FOG_COLOR, fogcolor);
+
+   glFogf(GL_FOG_DENSITY, 0.01);
+#ifdef FX
+   glHint(GL_FOG_HINT, GL_NICEST);
+#endif
+
+   calcposobs();
+
+   initspherepos();
+
+   inittextures();
+   initdlists();
+
+   glClearColor(fogcolor[0], fogcolor[1], fogcolor[2], fogcolor[3]);
+
+   glutReshapeFunc(reshape);
+   glutDisplayFunc(draw);
+   glutKeyboardFunc(key);
+   glutSpecialFunc(special);
+   glutIdleFunc(draw);
+
+   glutMainLoop();
+
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/readpix.c b/nx-X11/extras/Mesa_6.4.2/progs/demos/readpix.c
new file mode 100644
index 000000000..75ba45c1e
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/readpix.c
@@ -0,0 +1,344 @@
+
+/*
+ * glReadPixels and glCopyPixels test
+ * 
+ * Brian Paul   March 1, 2000  This file is in the public domain.
+ */
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <string.h>
+#include <GL/glut.h>
+
+#include "readtex.h"
+
+#define IMAGE_FILE "../images/girl.rgb"
+
+static int ImgWidth, ImgHeight;
+static GLenum ImgFormat;
+static GLubyte *Image = NULL;
+
+static int APosX, APosY;  /* simple drawpixels */
+static int BPosX, BPosY;  /* read/draw pixels */
+static int CPosX, CPosY;  /* copypixels */
+
+static GLboolean DrawFront = GL_FALSE;
+static GLboolean ScaleAndBias = GL_FALSE;
+static GLboolean Benchmark = GL_FALSE;
+static GLubyte *TempImage = NULL;
+
+#if 0
+#define ReadFormat ImgFormat
+#define ReadType GL_UNSIGNED_BYTE
+#endif
+#if 1
+static GLenum ReadFormat = GL_RGBA;
+static GLenum ReadType = GL_UNSIGNED_BYTE;
+#endif
+#if 0
+static GLenum ReadFormat = GL_RGB;
+static GLenum ReadType = GL_UNSIGNED_BYTE;
+#endif
+#if 0
+static GLenum ReadFormat = GL_RGB;
+static GLenum ReadType = GL_UNSIGNED_SHORT_5_6_5;
+#endif
+#if 0
+static GLenum ReadFormat = GL_RGBA;
+static GLenum ReadType = GL_UNSIGNED_SHORT_1_5_5_5_REV;
+#endif
+#if 0
+static GLenum ReadFormat = GL_BGRA;
+static GLenum ReadType = GL_UNSIGNED_SHORT_5_5_5_1;
+#endif
+#if 0
+static GLenum ReadFormat = GL_BGRA;
+static GLenum ReadType = GL_UNSIGNED_SHORT_4_4_4_4_REV;
+#endif
+
+
+static void
+Reset( void )
+{
+   APosX = 5;     APosY = 20;
+   BPosX = APosX + ImgWidth + 5;   BPosY = 20;
+   CPosX = BPosX + ImgWidth + 5;   CPosY = 20;
+}
+
+
+static void
+PrintString(const char *s)
+{
+   while (*s) {
+      glutBitmapCharacter(GLUT_BITMAP_8_BY_13, (int) *s);
+      s++;
+   }
+}
+
+
+static void
+SetupPixelTransfer(GLboolean invert)
+{
+   if (invert) {
+      glPixelTransferf(GL_RED_SCALE, -1.0);
+      glPixelTransferf(GL_RED_BIAS, 1.0);
+      glPixelTransferf(GL_GREEN_SCALE, -1.0);
+      glPixelTransferf(GL_GREEN_BIAS, 1.0);
+      glPixelTransferf(GL_BLUE_SCALE, -1.0);
+      glPixelTransferf(GL_BLUE_BIAS, 1.0);
+   }
+   else {
+      glPixelTransferf(GL_RED_SCALE, 1.0);
+      glPixelTransferf(GL_RED_BIAS, 0.0);
+      glPixelTransferf(GL_GREEN_SCALE, 1.0);
+      glPixelTransferf(GL_GREEN_BIAS, 0.0);
+      glPixelTransferf(GL_BLUE_SCALE, 1.0);
+      glPixelTransferf(GL_BLUE_BIAS, 0.0);
+   }
+}
+
+
+/**
+ * Exercise Pixel Pack parameters by reading the image in four pieces.
+ */
+static void
+ComplexReadPixels(GLint x, GLint y, GLsizei width, GLsizei height,
+                  GLenum format, GLenum type, GLvoid *pixels)
+{
+   const GLsizei width0 = width / 2;
+   const GLsizei width1 = width - width0;
+   const GLsizei height0 = height / 2;
+   const GLsizei height1 = height - height0;
+
+   glPixelStorei(GL_PACK_ROW_LENGTH, width);
+
+   /* lower-left quadrant */
+   glReadPixels(x, y, width0, height0, format, type, pixels);
+
+   /* lower-right quadrant */
+   glPixelStorei(GL_PACK_SKIP_PIXELS, width0);
+   glReadPixels(x + width0, y, width1, height0, format, type, pixels);
+
+   /* upper-left quadrant */
+   glPixelStorei(GL_PACK_SKIP_PIXELS, 0);
+   glPixelStorei(GL_PACK_SKIP_ROWS, height0);
+   glReadPixels(x, y + height0, width0, height1, format, type, pixels);
+
+   /* upper-right quadrant */
+   glPixelStorei(GL_PACK_SKIP_PIXELS, width0);
+   glPixelStorei(GL_PACK_SKIP_ROWS, height0);
+   glReadPixels(x + width0, y + height0, width1, height1, format, type, pixels);
+
+   /* restore defaults */
+   glPixelStorei(GL_PACK_SKIP_PIXELS, 0);
+   glPixelStorei(GL_PACK_SKIP_ROWS, 0);
+   glPixelStorei(GL_PACK_ROW_LENGTH, ImgWidth);
+}
+
+
+
+static void
+Display( void )
+{
+   glClearColor(.3, .3, .3, 1);
+   glClear( GL_COLOR_BUFFER_BIT );
+
+   glRasterPos2i(5, ImgHeight+25);
+   PrintString("f = toggle front/back  s = toggle scale/bias  b = benchmark");
+
+   /* draw original image */
+   glRasterPos2i(APosX, 5);
+   PrintString("Original");
+   glRasterPos2i(APosX, APosY);
+   glEnable(GL_DITHER);
+   SetupPixelTransfer(GL_FALSE);
+   glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+   glDrawPixels(ImgWidth, ImgHeight, ImgFormat, GL_UNSIGNED_BYTE, Image);
+
+   /* might try alignment=4 here for testing */
+   glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+   glPixelStorei(GL_PACK_ALIGNMENT, 1);
+
+   /* do readpixels, drawpixels */
+   glRasterPos2i(BPosX, 5);
+   PrintString("Read/DrawPixels");
+   SetupPixelTransfer(ScaleAndBias);
+   if (Benchmark) {
+      GLint reads = 0;
+      GLint endTime;
+      GLint startTime = glutGet(GLUT_ELAPSED_TIME);
+      GLdouble seconds, pixelsPerSecond;
+      printf("Benchmarking...\n");
+      do {
+         glReadPixels(APosX, APosY, ImgWidth, ImgHeight,
+                      ReadFormat, ReadType, TempImage);
+         reads++;
+         endTime = glutGet(GLUT_ELAPSED_TIME);
+      } while (endTime - startTime < 4000);   /* 4 seconds */
+      seconds = (double) (endTime - startTime) / 1000.0;
+      pixelsPerSecond = reads * ImgWidth * ImgHeight / seconds;
+      printf("Result:  %d reads in %f seconds = %f pixels/sec\n",
+             reads, seconds, pixelsPerSecond);
+      Benchmark = GL_FALSE;
+   }
+   else {
+      /* clear the temporary image to white (helpful for debugging */
+      memset(TempImage, 255, ImgWidth * ImgHeight * 4);
+#if 1
+      glReadPixels(APosX, APosY, ImgWidth, ImgHeight,
+                   ReadFormat, ReadType, TempImage);
+      (void) ComplexReadPixels;
+#else
+      /* you might use this when debugging */
+      ComplexReadPixels(APosX, APosY, ImgWidth, ImgHeight,
+                        ReadFormat, ReadType, TempImage);
+#endif
+   }
+   glRasterPos2i(BPosX, BPosY);
+   glDisable(GL_DITHER);
+   SetupPixelTransfer(GL_FALSE);
+   glDrawPixels(ImgWidth, ImgHeight, ReadFormat, ReadType, TempImage);
+
+   /* do copypixels */
+   glRasterPos2i(CPosX, 5);
+   PrintString("CopyPixels");
+   glRasterPos2i(CPosX, CPosY);
+   glDisable(GL_DITHER);
+   SetupPixelTransfer(ScaleAndBias);
+   glCopyPixels(APosX, APosY, ImgWidth, ImgHeight, GL_COLOR);
+
+   if (!DrawFront)
+      glutSwapBuffers();
+   else
+      glFinish();
+}
+
+
+static void
+Reshape( int width, int height )
+{
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glOrtho( 0.0, width, 0.0, height, -1.0, 1.0 );
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+}
+
+
+static void
+Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 'b':
+         Benchmark = GL_TRUE;
+         break;
+      case 's':
+         ScaleAndBias = !ScaleAndBias;
+         break;
+      case 'f':
+         DrawFront = !DrawFront;
+         if (DrawFront) {
+            glDrawBuffer(GL_FRONT);
+            glReadBuffer(GL_FRONT);
+         }
+         else {
+            glDrawBuffer(GL_BACK);
+            glReadBuffer(GL_BACK);
+         }
+         printf("glDrawBuffer(%s)\n", DrawFront ? "GL_FRONT" : "GL_BACK");
+         break;
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void
+Init( GLboolean ciMode )
+{
+   GLboolean have_read_format = GL_FALSE;
+
+   printf("GL_VERSION = %s\n", (char *) glGetString(GL_VERSION));
+   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
+
+   Image = LoadRGBImage( IMAGE_FILE, &ImgWidth, &ImgHeight, &ImgFormat );
+   if (!Image) {
+      printf("Couldn't read %s\n", IMAGE_FILE);
+      exit(0);
+   }
+
+   if (ciMode) {
+      /* Convert RGB image to grayscale */
+      GLubyte *indexImage = (GLubyte *) malloc( ImgWidth * ImgHeight );
+      GLint i;
+      for (i=0; i<ImgWidth*ImgHeight; i++) {
+         int gray = Image[i*3] + Image[i*3+1] + Image[i*3+2];
+         indexImage[i] = gray / 3;
+      }
+      free(Image);
+      Image = indexImage;
+      ImgFormat = GL_COLOR_INDEX;
+
+      for (i=0;i<255;i++) {
+         float g = i / 255.0;
+         glutSetColor(i, g, g, g);
+      }
+   }
+
+#ifdef GL_OES_read_format
+   if ( glutExtensionSupported( "GL_OES_read_format" ) ) {
+      glGetIntegerv(GL_IMPLEMENTATION_COLOR_READ_TYPE_OES,   (GLint *) &ReadType);
+      glGetIntegerv(GL_IMPLEMENTATION_COLOR_READ_FORMAT_OES, (GLint *) &ReadFormat);
+
+      have_read_format = GL_TRUE;
+   }
+#endif
+
+   printf( "GL_OES_read_format %ssupported.  "
+	   "Using type / format = 0x%04x / 0x%04x\n",
+	   (have_read_format) ? "" : "not ",
+	   ReadType, ReadFormat );
+
+   printf("Loaded %d by %d image\n", ImgWidth, ImgHeight );
+
+   glPixelStorei(GL_UNPACK_ROW_LENGTH, ImgWidth);
+   glPixelStorei(GL_PACK_ROW_LENGTH, ImgWidth);
+
+   Reset();
+
+   /* allocate an extra 1KB in case we're tinkering with pack alignment */
+   TempImage = (GLubyte *) malloc(ImgWidth * ImgHeight * 4 * sizeof(GLubyte)
+                                  + 1000);
+   assert(TempImage);
+}
+
+
+int
+main( int argc, char *argv[] )
+{
+   GLboolean ciMode = GL_FALSE;
+   if (argc > 1 && strcmp(argv[1], "-ci")==0) {
+      ciMode = GL_TRUE;
+   }
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( 750, 250 );
+   if (ciMode)
+      glutInitDisplayMode( GLUT_INDEX | GLUT_DOUBLE );
+   else
+      glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
+   glutCreateWindow(argv[0]);
+   Init(ciMode);
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutDisplayFunc( Display );
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/reflect.c b/nx-X11/extras/Mesa_6.4.2/progs/demos/reflect.c
new file mode 100644
index 000000000..bf6d91aaa
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/reflect.c
@@ -0,0 +1,404 @@
+
+/*
+ * Demo of a reflective, texture-mapped surface with OpenGL.
+ * Brian Paul   August 14, 1995   This file is in the public domain.
+ *
+ * Hardware texture mapping is highly recommended!
+ *
+ * The basic steps are:
+ *    1. Render the reflective object (a polygon) from the normal viewpoint,
+ *       setting the stencil planes = 1.
+ *    2. Render the scene from a special viewpoint:  the viewpoint which
+ *       is on the opposite side of the reflective plane.  Only draw where
+ *       stencil = 1.  This draws the objects in the reflective surface.
+ *    3. Render the scene from the original viewpoint.  This draws the
+ *       objects in the normal fashion.  Use blending when drawing
+ *       the reflective, textured surface.
+ *
+ * This is a very crude demo.  It could be much better.
+ */
+ 
+/*
+ * Authors:
+ *   Brian Paul
+ *   Dirk Reiners (reiners@igd.fhg.de) made some modifications to this code.
+ *   Mark Kilgard (April 1997)
+ *   Brian Paul (April 2000 - added keyboard d/s options)
+ */
+
+
+#include <math.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include "GL/glut.h"
+#include "showbuffer.h"
+#include "readtex.h"
+
+
+#define DEG2RAD (3.14159/180.0)
+
+#define TABLE_TEXTURE "../images/tile.rgb"
+
+static GLint ImgWidth, ImgHeight;
+static GLenum ImgFormat;
+static GLubyte *Image = NULL;
+
+#define MAX_OBJECTS 2
+static GLint table_list;
+static GLint objects_list[MAX_OBJECTS];
+
+static GLfloat xrot, yrot;
+static GLfloat spin;
+
+static GLint Width = 400, Height = 300;
+static GLenum ShowBuffer = GL_NONE;
+static GLboolean Anim = GL_TRUE;
+
+/* performance info */
+static GLint T0 = 0;
+static GLint Frames = 0;
+
+
+static void make_table( void )
+{
+   static GLfloat table_mat[] = { 1.0, 1.0, 1.0, 0.6 };
+   static GLfloat gray[] = { 0.4, 0.4, 0.4, 1.0 };
+
+   table_list = glGenLists(1);
+   glNewList( table_list, GL_COMPILE );
+
+   /* load table's texture */
+   glMaterialfv( GL_FRONT, GL_AMBIENT_AND_DIFFUSE, table_mat );
+/*   glMaterialfv( GL_FRONT, GL_EMISSION, gray );*/
+   glMaterialfv( GL_FRONT, GL_DIFFUSE, table_mat );
+   glMaterialfv( GL_FRONT, GL_AMBIENT, gray );
+   
+   /* draw textured square for the table */
+   glPushMatrix();
+   glScalef( 4.0, 4.0, 4.0 );
+   glBegin( GL_POLYGON );
+   glNormal3f( 0.0, 1.0, 0.0 );
+   glTexCoord2f( 0.0, 0.0 );   glVertex3f( -1.0, 0.0,  1.0 );
+   glTexCoord2f( 1.0, 0.0 );   glVertex3f(  1.0, 0.0,  1.0 );
+   glTexCoord2f( 1.0, 1.0 );   glVertex3f(  1.0, 0.0, -1.0 );
+   glTexCoord2f( 0.0, 1.0 );   glVertex3f( -1.0, 0.0, -1.0 );
+   glEnd();
+   glPopMatrix();
+
+   glDisable( GL_TEXTURE_2D );
+
+   glEndList();
+}
+
+
+static void make_objects( void )
+{
+   GLUquadricObj *q;
+
+   static GLfloat cyan[] = { 0.0, 1.0, 1.0, 1.0 };
+   static GLfloat green[] = { 0.2, 1.0, 0.2, 1.0 };
+   static GLfloat black[] = { 0.0, 0.0, 0.0, 0.0 };
+
+   q = gluNewQuadric();
+   gluQuadricDrawStyle( q, GLU_FILL );
+   gluQuadricNormals( q, GLU_SMOOTH );
+
+   objects_list[0] = glGenLists(1);
+   glNewList( objects_list[0], GL_COMPILE );
+   glMaterialfv( GL_FRONT, GL_AMBIENT_AND_DIFFUSE, cyan );
+   glMaterialfv( GL_FRONT, GL_EMISSION, black );
+   gluCylinder( q, 0.5, 0.5,  1.0, 15, 1 );
+   glEndList();
+
+   objects_list[1] = glGenLists(1);
+   glNewList( objects_list[1], GL_COMPILE );
+   glMaterialfv( GL_FRONT, GL_AMBIENT_AND_DIFFUSE, green );
+   glMaterialfv( GL_FRONT, GL_EMISSION, black );
+   gluCylinder( q, 1.5, 0.0,  2.5, 15, 1 );
+   glEndList();
+}
+
+
+static void init( void )
+{
+   make_table();
+   make_objects();
+
+   Image = LoadRGBImage( TABLE_TEXTURE, &ImgWidth, &ImgHeight, &ImgFormat );
+   if (!Image) {
+      printf("Couldn't read %s\n", TABLE_TEXTURE);
+      exit(0);
+   }
+
+   gluBuild2DMipmaps(GL_TEXTURE_2D, 3, ImgWidth, ImgHeight,
+                     ImgFormat, GL_UNSIGNED_BYTE, Image);
+
+   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT );
+   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT );
+   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST );
+   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST );
+
+   xrot = 30.0;
+   yrot = 50.0;
+   spin = 0.0;
+
+   glShadeModel( GL_FLAT );
+   
+   glEnable( GL_LIGHT0 );
+   glEnable( GL_LIGHTING );
+
+   glClearColor( 0.5, 0.5, 0.9, 0.0 );
+
+   glEnable( GL_NORMALIZE );
+}
+
+
+
+static void reshape(int w, int h)
+{
+   GLfloat yAspect = 2.5;
+   GLfloat xAspect = yAspect * (float) w / (float) h;
+   Width = w;
+   Height = h;
+   glViewport(0, 0, w, h);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glFrustum( -xAspect, xAspect, -yAspect, yAspect, 10.0, 30.0 );
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+}
+
+
+
+static void draw_objects( GLfloat eyex, GLfloat eyey, GLfloat eyez )
+{
+   (void) eyex;
+   (void) eyey;
+   (void) eyez;
+#ifndef USE_ZBUFFER
+   if (eyex<0.5) {
+#endif
+	   glPushMatrix();
+	   glTranslatef( 1.0, 1.5, 0.0 );
+	   glRotatef( spin, 1.0, 0.5, 0.0 );
+	   glRotatef( 0.5*spin, 0.0, 0.5, 1.0 );
+	   glCallList( objects_list[0] );
+	   glPopMatrix();
+	
+	   glPushMatrix();
+	   glTranslatef( -1.0, 0.85+3.0*fabs( cos(0.01*spin) ), 0.0 );
+	   glRotatef( 0.5*spin, 0.0, 0.5, 1.0 );
+	   glRotatef( spin, 1.0, 0.5, 0.0 );
+	   glScalef( 0.5, 0.5, 0.5 );
+	   glCallList( objects_list[1] );
+	   glPopMatrix();
+#ifndef USE_ZBUFFER
+   }
+   else {	
+	   glPushMatrix();
+	   glTranslatef( -1.0, 0.85+3.0*fabs( cos(0.01*spin) ), 0.0 );
+	   glRotatef( 0.5*spin, 0.0, 0.5, 1.0 );
+	   glRotatef( spin, 1.0, 0.5, 0.0 );
+	   glScalef( 0.5, 0.5, 0.5 );
+	   glCallList( objects_list[1] );
+	   glPopMatrix();
+
+	   glPushMatrix();
+	   glTranslatef( 1.0, 1.5, 0.0 );
+	   glRotatef( spin, 1.0, 0.5, 0.0 );
+	   glRotatef( 0.5*spin, 0.0, 0.5, 1.0 );
+	   glCallList( objects_list[0] );
+	   glPopMatrix();
+   }
+#endif
+}
+
+
+
+static void draw_table( void )
+{
+   glCallList( table_list );
+}
+
+
+
+static void draw_scene( void )
+{
+   static GLfloat light_pos[] = { 0.0, 20.0, 0.0, 1.0 };
+   GLfloat dist = 20.0;
+   GLfloat eyex, eyey, eyez;
+
+   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
+
+
+   eyex = dist * cos(yrot*DEG2RAD) * cos(xrot*DEG2RAD);
+   eyez = dist * sin(yrot*DEG2RAD) * cos(xrot*DEG2RAD);
+   eyey = dist * sin(xrot*DEG2RAD);
+
+   /* view from top */
+   glPushMatrix();
+   gluLookAt( eyex, eyey, eyez, 0.0, 0.0, 0.0,  0.0, 1.0, 0.0 );
+
+   glLightfv( GL_LIGHT0, GL_POSITION, light_pos );
+ 
+   /* draw table into stencil planes */
+   glDisable( GL_DEPTH_TEST );
+   glEnable( GL_STENCIL_TEST );
+   glStencilFunc( GL_ALWAYS, 1, 0xffffffff );
+   glStencilOp( GL_REPLACE, GL_REPLACE, GL_REPLACE );
+   glColorMask( GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE );
+   draw_table();
+   glColorMask( GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE );
+
+   glEnable( GL_DEPTH_TEST );
+
+   /* render view from below (reflected viewport) */
+   /* only draw where stencil==1 */
+   if (eyey>0.0) {
+      glPushMatrix();
+ 
+      glStencilFunc( GL_EQUAL, 1, 0xffffffff );  /* draw if ==1 */
+      glStencilOp( GL_KEEP, GL_KEEP, GL_KEEP );
+      glScalef( 1.0, -1.0, 1.0 );
+
+      /* Reposition light in reflected space. */
+      glLightfv(GL_LIGHT0, GL_POSITION, light_pos);
+
+      draw_objects(eyex, eyey, eyez);
+      glPopMatrix();
+
+      /* Restore light's original unreflected position. */
+      glLightfv(GL_LIGHT0, GL_POSITION, light_pos);
+   }
+
+   glDisable( GL_STENCIL_TEST );
+
+   glEnable( GL_BLEND );
+   glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
+
+   glEnable( GL_TEXTURE_2D );
+   draw_table();
+   glDisable( GL_TEXTURE_2D );
+   glDisable( GL_BLEND );
+
+   /* view from top */
+   glPushMatrix();
+
+   draw_objects(eyex, eyey, eyez);
+
+   glPopMatrix();
+
+   glPopMatrix();
+
+   if (ShowBuffer == GL_DEPTH) {
+      ShowDepthBuffer(Width, Height, 1.0, 0.0);
+   }
+   else if (ShowBuffer == GL_STENCIL) {
+      ShowStencilBuffer(Width, Height, 255.0, 0.0);
+   }
+   else if (ShowBuffer == GL_ALPHA) {
+      ShowAlphaBuffer(Width, Height);
+   }
+
+   glutSwapBuffers();
+
+   {
+      GLint t = glutGet(GLUT_ELAPSED_TIME);
+      Frames++;
+      if (t - T0 >= 5000) {
+         GLfloat seconds = (t - T0) / 1000.0;
+         GLfloat fps = Frames / seconds;
+         printf("%d frames in %g seconds = %g FPS\n", Frames, seconds, fps);
+         T0 = t;
+         Frames = 0;
+      }
+   }
+}
+
+
+static void idle( void )
+{
+   static double t0 = -1.;
+   double dt, t = glutGet(GLUT_ELAPSED_TIME) / 1000.0;
+   if (t0 < 0.0)
+      t0 = t;
+   dt = t - t0;
+   t0 = t;
+   spin += 60.0 * dt;
+   yrot += 90.0 * dt;
+   glutPostRedisplay();
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   if (key == 'd') {
+      ShowBuffer = GL_DEPTH;
+   }
+   else if (key == 's') {
+      ShowBuffer = GL_STENCIL;
+   }
+   else if (key == 'a') {
+      ShowBuffer = GL_ALPHA;
+   }
+   else if (key == ' ') {
+      Anim = !Anim;
+      if (Anim)
+         glutIdleFunc(idle);
+      else
+         glutIdleFunc(NULL);
+   }
+   else if (key==27) {
+      exit(0);
+   }
+   else {
+      ShowBuffer = GL_NONE;
+   }
+   glutPostRedisplay();
+}
+
+
+static void SpecialKey( int key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case GLUT_KEY_UP:
+         xrot += 3.0;
+         if ( xrot > 85 )
+            xrot = 85;
+         break;
+      case GLUT_KEY_DOWN:
+         xrot -= 3.0;
+         if ( xrot < 5 )
+            xrot = 5;
+         break;
+      case GLUT_KEY_LEFT:
+         yrot += 3.0;
+         break;
+      case GLUT_KEY_RIGHT:
+         yrot -= 3.0;
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit(&argc, argv);
+   glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH | GLUT_STENCIL | GLUT_ALPHA);
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( Width, Height );
+   glutCreateWindow(argv[0]);
+   glutReshapeFunc(reshape);
+   glutDisplayFunc(draw_scene);
+   glutKeyboardFunc(Key);
+   glutSpecialFunc(SpecialKey);
+   glutIdleFunc(idle);
+   init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/renormal.c b/nx-X11/extras/Mesa_6.4.2/progs/demos/renormal.c
new file mode 100644
index 000000000..9e5da9548
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/renormal.c
@@ -0,0 +1,139 @@
+
+/*
+ * Test GL_EXT_rescale_normal extension
+ * Brian Paul  January 1998   This program is in the public domain.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <GL/glut.h>
+
+
+static GLfloat Phi = 0.0;
+
+
+static void Idle( void )
+{
+   static double t0 = -1.;
+   double dt, t = glutGet(GLUT_ELAPSED_TIME) / 1000.0;
+   if (t0 < 0.0)
+      t0 = t;
+   dt = t - t0;
+   t0 = t;
+   Phi += 3.0 * dt;
+   glutPostRedisplay();
+}
+
+
+static void Display( void )
+{
+   GLfloat scale = 0.6 + 0.5 * sin(Phi);
+   glClear( GL_COLOR_BUFFER_BIT );
+   glPushMatrix();
+   glScalef(scale, scale, scale);
+   glutSolidSphere(2.0, 20, 20);
+   glPopMatrix();
+   glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glFrustum( -1.0, 1.0, -1.0, 1.0, 5.0, 25.0 );
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   glTranslatef( 0.0, 0.0, -15.0 );
+}
+
+
+
+static void Init( void )
+{
+   static GLfloat mat[4] = { 0.8, 0.8, 0.0, 1.0 };
+   static GLfloat pos[4] = { -1.0, 1.0, 1.0, 0.0 };
+
+   /* setup lighting, etc */
+   glEnable(GL_LIGHTING);
+   glEnable(GL_LIGHT0);
+   glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, mat);
+   glLightfv(GL_LIGHT0, GL_POSITION, pos);
+
+   glEnable(GL_CULL_FACE);
+
+   glDisable(GL_RESCALE_NORMAL_EXT);
+   glDisable(GL_NORMALIZE);
+}
+
+
+#define UNSCALED  1
+#define NORMALIZE 2
+#define RESCALE   3
+#define QUIT      4
+
+
+static void ModeMenu(int entry)
+{
+   if (entry==UNSCALED) {
+      glDisable(GL_RESCALE_NORMAL_EXT);
+      glDisable(GL_NORMALIZE);
+   }
+   else if (entry==NORMALIZE) {
+      glEnable(GL_NORMALIZE);
+      glDisable(GL_RESCALE_NORMAL_EXT);
+   }
+   else if (entry==RESCALE) {
+      glDisable(GL_NORMALIZE);
+      glEnable(GL_RESCALE_NORMAL_EXT);
+   }
+   else if (entry==QUIT) {
+      exit(0);
+   }
+   glutPostRedisplay();
+}
+
+static void
+key(unsigned char k, int x, int y)
+{
+  (void) x;
+  (void) y;
+  switch (k) {
+  case 27:  /* Escape */
+    exit(0);
+    break;
+  default:
+    return;
+  }
+  glutPostRedisplay();
+}
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowPosition(0, 0);
+   glutInitWindowSize( 400, 400 );
+
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
+
+   glutCreateWindow(argv[0]);
+
+   Init();
+
+   glutIdleFunc( Idle );
+   glutReshapeFunc( Reshape );
+   glutDisplayFunc( Display );
+   glutKeyboardFunc(key);
+
+   glutCreateMenu(ModeMenu);
+   glutAddMenuEntry("Unscaled", UNSCALED);
+   glutAddMenuEntry("Normalize", NORMALIZE);
+   glutAddMenuEntry("Rescale EXT", RESCALE);
+   glutAddMenuEntry("Quit", QUIT);
+   glutAttachMenu(GLUT_RIGHT_BUTTON);
+
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/shadowtex.c b/nx-X11/extras/Mesa_6.4.2/progs/demos/shadowtex.c
new file mode 100644
index 000000000..e918751a7
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/shadowtex.c
@@ -0,0 +1,600 @@
+/*
+ * Shadow demo using the GL_ARB_depth_texture, GL_ARB_shadow and
+ * GL_ARB_shadow_ambient extensions (or the old SGIX extensions).
+ *
+ * Brian Paul
+ * 19 Feb 2001
+ *
+ * Added GL_EXT_shadow_funcs support on 23 March 2002
+ *
+ * Copyright (C) 1999-2001  Brian Paul   All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <GL/glut.h>
+#include "showbuffer.h"
+
+#if 0 /* change to 1 if you want to use the old SGIX extensions */
+#undef GL_ARB_depth_texture
+#undef GL_ARB_shadow
+#undef GL_ARB_shadow_ambient
+#endif
+
+
+#define DEG_TO_RAD (3.14159 / 180.0)
+
+static GLint WindowWidth = 450, WindowHeight = 300;
+static GLfloat Xrot = 15, Yrot = 0, Zrot = 0;
+
+static GLfloat Red[4] = {1, 0, 0, 1};
+static GLfloat Green[4] = {0, 1, 0, 1};
+static GLfloat Blue[4] = {0, 0, 1, 1};
+static GLfloat Yellow[4] = {1, 1, 0, 1};
+
+static GLfloat LightDist = 10;
+static GLfloat LightLatitude = 45.0;
+static GLfloat LightLongitude = 45.0;
+static GLfloat LightPos[4];
+static GLfloat SpotDir[3];
+static GLfloat SpotAngle = 40.0 * DEG_TO_RAD;
+static GLfloat ShadowNear = 4.0, ShadowFar = 24.0;
+static GLint ShadowTexWidth = 256, ShadowTexHeight = 256;
+
+static GLboolean LinearFilter = GL_FALSE;
+
+static GLfloat Bias = -0.06;
+
+static GLboolean Anim = GL_TRUE;
+
+static GLboolean HaveEXTshadowFuncs = GL_FALSE;
+static GLint Operator = 0;
+static const GLenum OperatorFunc[8] = {
+   GL_LEQUAL, GL_LESS, GL_GEQUAL, GL_GREATER,
+   GL_EQUAL, GL_NOTEQUAL, GL_ALWAYS, GL_NEVER };
+static const char *OperatorName[8] = {
+   "GL_LEQUAL", "GL_LESS", "GL_GEQUAL", "GL_GREATER",
+   "GL_EQUAL", "GL_NOTEQUAL", "GL_ALWAYS", "GL_NEVER" };
+
+
+static GLuint DisplayMode;
+#define SHOW_NORMAL         0
+#define SHOW_DEPTH_IMAGE    1
+#define SHOW_DEPTH_MAPPING  2
+#define SHOW_DISTANCE       3
+
+
+
+static void
+DrawScene(void)
+{
+   GLfloat k = 6;
+   /* sphere */
+   glPushMatrix();
+   glTranslatef(1.6, 2.2, 2.7);
+   glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, Green);
+   glColor4fv(Green);
+   glutSolidSphere(1.5, 15, 15);
+   glPopMatrix();
+   /* dodecahedron */
+   glPushMatrix();
+   glTranslatef(-2.0, 1.2, 2.1);
+   glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, Red);
+   glColor4fv(Red);
+   glutSolidDodecahedron();
+   glPopMatrix();
+   /* icosahedron */
+   glPushMatrix();
+   glTranslatef(-0.6, 1.3, -0.5);
+   glScalef(1.5, 1.5, 1.5);
+   glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, Yellow);
+   glColor4fv(Red);
+   glutSolidIcosahedron();
+   glPopMatrix();
+   /* a plane */
+   glPushMatrix();
+   glTranslatef(0, -1.1, 0);
+   glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, Blue);
+   glColor4fv(Blue);
+   glNormal3f(0, 1, 0);
+   glBegin(GL_POLYGON);
+   glVertex3f(-k, 0, -k);
+   glVertex3f( k, 0, -k);
+   glVertex3f( k, 0,  k);
+   glVertex3f(-k, 0,  k);
+   glEnd();
+   glPopMatrix();
+}
+
+
+/*
+ * Load the GL_TEXTURE matrix with the projection from the light
+ * source's point of view.
+ */
+static void
+MakeShadowMatrix(const GLfloat lightPos[4], const GLfloat spotDir[3],
+                 GLfloat spotAngle, GLfloat shadowNear, GLfloat shadowFar)
+{
+   GLfloat d;
+   
+   glMatrixMode(GL_TEXTURE);
+   glLoadIdentity();
+   glTranslatef(0.5, 0.5, 0.5 + Bias);
+   glScalef(0.5, 0.5, 0.5);
+   d = shadowNear * tan(spotAngle);
+   glFrustum(-d, d, -d, d, shadowNear, shadowFar);
+   gluLookAt(lightPos[0], lightPos[1], lightPos[2],
+             lightPos[0] + spotDir[0],
+             lightPos[1] + spotDir[1],
+             lightPos[2] + spotDir[2],
+             0, 1, 0);
+   glMatrixMode(GL_MODELVIEW);
+}
+
+
+static void
+EnableIdentityTexgen(void)
+{
+   /* texgen so that texcoord = vertex coord */
+   static GLfloat sPlane[4] = { 1, 0, 0, 0 };
+   static GLfloat tPlane[4] = { 0, 1, 0, 0 };
+   static GLfloat rPlane[4] = { 0, 0, 1, 0 };
+   static GLfloat qPlane[4] = { 0, 0, 0, 1 };
+
+   glTexGenfv(GL_S, GL_EYE_PLANE, sPlane);
+   glTexGenfv(GL_T, GL_EYE_PLANE, tPlane);
+   glTexGenfv(GL_R, GL_EYE_PLANE, rPlane);
+   glTexGenfv(GL_Q, GL_EYE_PLANE, qPlane);
+   glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_EYE_LINEAR);
+   glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_EYE_LINEAR);
+   glTexGeni(GL_R, GL_TEXTURE_GEN_MODE, GL_EYE_LINEAR);
+   glTexGeni(GL_Q, GL_TEXTURE_GEN_MODE, GL_EYE_LINEAR);
+
+   glEnable(GL_TEXTURE_GEN_S);
+   glEnable(GL_TEXTURE_GEN_T);
+   glEnable(GL_TEXTURE_GEN_R);
+   glEnable(GL_TEXTURE_GEN_Q);
+}
+
+
+/*
+ * Setup 1-D texgen so that the distance from the light source, between
+ * the near and far planes maps to s=0 and s=1.  When we draw the scene,
+ * the grayness will indicate the fragment's distance from the light
+ * source.
+ */
+static void
+EnableDistanceTexgen(const GLfloat lightPos[4], const GLfloat lightDir[3],
+                     GLfloat lightNear, GLfloat lightFar)
+{
+   GLfloat m, d;
+   GLfloat sPlane[4];
+   GLfloat nearPoint[3];
+
+   m = sqrt(lightDir[0] * lightDir[0] +
+            lightDir[1] * lightDir[1] +
+            lightDir[2] * lightDir[2]);
+
+   d = lightFar - lightNear;
+
+   /* nearPoint = point on light direction vector which intersects the
+    * near plane of the light frustum.
+    */
+   nearPoint[0] = LightPos[0] + lightDir[0] / m * lightNear;
+   nearPoint[1] = LightPos[1] + lightDir[1] / m * lightNear;
+   nearPoint[2] = LightPos[2] + lightDir[2] / m * lightNear;
+
+   sPlane[0] = lightDir[0] / d / m;
+   sPlane[1] = lightDir[1] / d / m;
+   sPlane[2] = lightDir[2] / d / m;
+   sPlane[3] = -(sPlane[0] * nearPoint[0]
+               + sPlane[1] * nearPoint[1]
+               + sPlane[2] * nearPoint[2]);
+
+   glTexGenfv(GL_S, GL_EYE_PLANE, sPlane);
+   glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_EYE_LINEAR);
+   glEnable(GL_TEXTURE_GEN_S);
+}
+
+
+static void
+DisableTexgen(void)
+{
+   glDisable(GL_TEXTURE_GEN_S);
+   glDisable(GL_TEXTURE_GEN_T);
+   glDisable(GL_TEXTURE_GEN_R);
+   glDisable(GL_TEXTURE_GEN_Q);
+}
+
+
+static void
+ComputeLightPos(GLfloat dist, GLfloat latitude, GLfloat longitude,
+                GLfloat pos[4], GLfloat dir[3])
+{
+
+   pos[0] = dist * sin(longitude * DEG_TO_RAD);
+   pos[1] = dist * sin(latitude * DEG_TO_RAD);
+   pos[2] = dist * cos(latitude * DEG_TO_RAD) * cos(longitude * DEG_TO_RAD);
+   pos[3] = 1;
+   dir[0] = -pos[0];
+   dir[1] = -pos[1];
+   dir[2] = -pos[2];
+}
+
+
+static void
+Display(void)
+{
+   GLfloat ar = (GLfloat) WindowWidth / (GLfloat) WindowHeight;
+   GLfloat d;
+   GLenum error;
+
+   ComputeLightPos(LightDist, LightLatitude, LightLongitude,
+                   LightPos, SpotDir);
+   /*
+    * Step 1: render scene from point of view of the light source
+    */
+   /* compute frustum to enclose spot light cone */
+   d = ShadowNear * tan(SpotAngle);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glFrustum(-d, d, -d, d, ShadowNear, ShadowFar);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   gluLookAt(LightPos[0], LightPos[1], LightPos[2], /* from */
+             0, 0, 0, /* target */
+             0, 1, 0); /* up */
+
+   glViewport(0, 0, ShadowTexWidth, ShadowTexHeight);
+   glClear(GL_DEPTH_BUFFER_BIT);
+   DrawScene();
+
+   /*
+    * Step 2: copy depth buffer into texture map
+    */
+   if (DisplayMode == SHOW_DEPTH_MAPPING) {
+      /* load depth image as gray-scale luminance texture */
+      GLfloat *depth = (GLfloat *) malloc(ShadowTexWidth * ShadowTexHeight
+                                          * sizeof(GLfloat));
+      if (depth) {
+         glReadPixels(0, 0, ShadowTexWidth, ShadowTexHeight,
+                      GL_DEPTH_COMPONENT, GL_FLOAT, depth);
+         glTexImage2D(GL_TEXTURE_2D, 0, GL_LUMINANCE,
+                      ShadowTexWidth, ShadowTexHeight, 0,
+                      GL_LUMINANCE, GL_FLOAT, depth);
+         free(depth);
+      }
+   }
+   else {
+      /* The normal shadow case */
+      glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT,
+                       0, 0, ShadowTexWidth, ShadowTexHeight, 0);
+   }
+
+   /*
+    * Step 3: render scene from point of view of the camera
+    */
+   glViewport(0, 0, WindowWidth, WindowHeight);
+   if (DisplayMode == SHOW_DEPTH_IMAGE) {
+      ShowDepthBuffer(WindowWidth, WindowHeight, 0, 1);
+   }
+   else {
+      glMatrixMode(GL_PROJECTION);
+      glLoadIdentity();
+      glFrustum(-ar, ar, -1.0, 1.0, 4.0, 50.0);
+      glMatrixMode(GL_MODELVIEW);
+      glLoadIdentity();
+      glTranslatef(0.0, 0.0, -22.0);
+      glRotatef(Xrot, 1, 0, 0);
+      glRotatef(Yrot, 0, 1, 0);
+      glRotatef(Zrot, 0, 0, 1);
+      glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+      glLightfv(GL_LIGHT0, GL_POSITION, LightPos);
+      if (LinearFilter) {
+         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+      }
+      else {
+         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+      }
+      if (DisplayMode == SHOW_DEPTH_MAPPING) {
+#if defined(GL_ARB_shadow)
+         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE_ARB, GL_NONE);
+#elif defined(GL_SGIX_shadow)
+         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_SGIX, GL_FALSE);
+#endif
+         glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+         glEnable(GL_TEXTURE_2D);
+         MakeShadowMatrix(LightPos, SpotDir, SpotAngle, ShadowNear, ShadowFar);
+         EnableIdentityTexgen();
+      }
+      else if (DisplayMode == SHOW_DISTANCE) {
+         glMatrixMode(GL_TEXTURE);
+         glLoadIdentity();
+         glMatrixMode(GL_MODELVIEW);
+         EnableDistanceTexgen(LightPos, SpotDir, ShadowNear+Bias, ShadowFar);
+         glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+         glEnable(GL_TEXTURE_1D);
+      }
+      else {
+         assert(DisplayMode == SHOW_NORMAL);
+#if defined(GL_ARB_shadow)
+         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE_ARB,
+                         GL_COMPARE_R_TO_TEXTURE_ARB);
+#elif defined(GL_SGIX_shadow)
+         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_SGIX, GL_TRUE);
+#endif
+         glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+         glEnable(GL_TEXTURE_2D);
+         MakeShadowMatrix(LightPos, SpotDir, SpotAngle, ShadowNear, ShadowFar);
+         EnableIdentityTexgen();
+      }
+      DrawScene();
+      DisableTexgen();
+      glDisable(GL_TEXTURE_1D);
+      glDisable(GL_TEXTURE_2D);
+   }
+
+   glutSwapBuffers();
+
+   error = glGetError();
+   if (error) {
+      printf("GL Error: %s\n", (char *) gluErrorString(error));
+   }
+}
+
+
+static void
+Reshape(int width, int height)
+{
+   WindowWidth = width;
+   WindowHeight = height;
+   if (width >= 512 && height >= 512) {
+      ShadowTexWidth = ShadowTexHeight = 512;
+   }
+   else if (width >= 256 && height >= 256) {
+      ShadowTexWidth = ShadowTexHeight = 256;
+   }
+   else {
+      ShadowTexWidth = ShadowTexHeight = 128;
+   }
+   printf("Using %d x %d depth texture\n", ShadowTexWidth, ShadowTexHeight);
+}
+
+
+static void
+Idle(void)
+{
+   static double t0 = -1.;
+   double dt, t = glutGet(GLUT_ELAPSED_TIME) / 1000.0;
+   if (t0 < 0.0)
+      t0 = t;
+   dt = t - t0;
+   t0 = t;
+   Yrot += 75.0 * dt;
+   /*LightLongitude -= 5.0;*/
+   glutPostRedisplay();
+}
+
+
+static void
+Key(unsigned char key, int x, int y)
+{
+   const GLfloat step = 3.0;
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 'a':
+         Anim = !Anim;
+         if (Anim)
+            glutIdleFunc(Idle);
+         else
+            glutIdleFunc(NULL);
+         break;
+      case 'b':
+         Bias -= 0.01;
+         printf("Bias %g\n", Bias);
+         break;
+      case 'B':
+         Bias += 0.01;
+         printf("Bias %g\n", Bias);
+         break;
+      case 'd':
+         DisplayMode = SHOW_DISTANCE;
+         break;
+      case 'f':
+         LinearFilter = !LinearFilter;
+         printf("%s filtering\n", LinearFilter ? "Bilinear" : "Nearest");
+         break;
+      case 'i':
+         DisplayMode = SHOW_DEPTH_IMAGE;
+         break;
+      case 'm':
+         DisplayMode = SHOW_DEPTH_MAPPING;
+         break;
+      case 'n':
+      case ' ':
+         DisplayMode = SHOW_NORMAL;
+         break;
+      case 'o':
+         if (HaveEXTshadowFuncs) {
+            Operator++;
+            if (Operator >= 8)
+               Operator = 0;
+            printf("Operator: %s\n", OperatorName[Operator]);
+            glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FUNC_ARB,
+                            OperatorFunc[Operator]);
+         }
+         break;
+      case 'z':
+         Zrot -= step;
+         break;
+      case 'Z':
+         Zrot += step;
+         break;
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void
+SpecialKey(int key, int x, int y)
+{
+   const GLfloat step = 3.0;
+   const int mod = glutGetModifiers();
+   (void) x;
+   (void) y;
+   switch (key) {
+      case GLUT_KEY_UP:
+         if (mod)
+            LightLatitude += step;
+         else
+            Xrot += step;
+         break;
+      case GLUT_KEY_DOWN:
+         if (mod)
+            LightLatitude -= step;
+         else
+            Xrot -= step;
+         break;
+      case GLUT_KEY_LEFT:
+         if (mod)
+            LightLongitude += step;
+         else
+            Yrot += step;
+         break;
+      case GLUT_KEY_RIGHT:
+         if (mod)
+            LightLongitude -= step;
+         else
+            Yrot -= step;
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void
+Init(void)
+{
+#if defined(GL_ARB_depth_texture) && defined(GL_ARB_shadow)
+   if (!glutExtensionSupported("GL_ARB_depth_texture") ||
+       !glutExtensionSupported("GL_ARB_shadow")) {
+      printf("Sorry, this demo requires the GL_ARB_depth_texture and GL_ARB_shadow extensions\n");
+      exit(1);
+   }
+   printf("Using GL_ARB_depth_texture and GL_ARB_shadow\n");
+#elif defined(GL_SGIX_depth_texture) && defined(GL_SGIX_shadow)
+   if (!glutExtensionSupported("GL_SGIX_depth_texture") ||
+       !glutExtensionSupported("GL_SGIX_shadow")) {
+      printf("Sorry, this demo requires the GL_SGIX_depth_texture and GL_SGIX_shadow extensions\n");
+      exit(1);
+   }
+   printf("Using GL_SGIX_depth_texture and GL_SGIX_shadow\n");
+#endif
+   HaveEXTshadowFuncs = glutExtensionSupported("GL_EXT_shadow_funcs");
+
+   glTexParameteri(GL_TEXTURE_1D, GL_TEXTURE_WRAP_S, GL_CLAMP);
+   glTexParameteri(GL_TEXTURE_1D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+   glTexParameteri(GL_TEXTURE_1D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+   glTexParameteri(GL_TEXTURE_1D, GL_TEXTURE_WRAP_T, GL_CLAMP);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
+#if defined(GL_ARB_shadow)
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE_ARB,
+                   GL_COMPARE_R_TO_TEXTURE_ARB);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FUNC_ARB, GL_LEQUAL);
+#elif defined(GL_SGIX_shadow)
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_OPERATOR_SGIX,
+                   GL_TEXTURE_LEQUAL_R_SGIX);
+#endif
+
+#if defined(GL_ARB_shadow_ambient)
+   if (glutExtensionSupported("GL_ARB_shadow_ambient")) {
+      glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FAIL_VALUE_ARB, 0.3);
+      printf("and GL_ARB_shadow_ambient\n");
+   }
+#elif defined(GL_SGIX_shadow_ambient)
+   if (glutExtensionSupported("GL_SGIX_shadow_ambient")) {
+      glTexParameterf(GL_TEXTURE_2D, GL_SHADOW_AMBIENT_SGIX, 0.3);
+      printf("and GL_SGIX_shadow_ambient\n");
+   }
+#endif
+
+   /* setup 1-D grayscale texture image for SHOW_DISTANCE mode */
+   {
+      GLuint i;
+      GLubyte image[256];
+      for (i = 0; i < 256; i++)
+         image[i] = i;
+      glTexImage1D(GL_TEXTURE_1D, 0, GL_LUMINANCE,
+                   256, 0, GL_LUMINANCE, GL_UNSIGNED_BYTE, image);
+   }
+
+   glEnable(GL_DEPTH_TEST);
+   glEnable(GL_LIGHTING);
+   glEnable(GL_LIGHT0);
+}
+
+
+static void
+PrintHelp(void)
+{
+   printf("Keys:\n");
+   printf("  a = toggle animation\n");
+   printf("  i = show depth texture image\n");
+   printf("  m = show depth texture mapping\n");
+   printf("  d = show fragment distance from light source\n");
+   printf("  n = show normal, shadowed image\n");
+   printf("  f = toggle nearest/bilinear texture filtering\n");
+   printf("  b/B = decrease/increase shadow map Z bias\n");
+   printf("  cursor keys = rotate scene\n");
+   printf("  <shift> + cursor keys = rotate light source\n");
+   if (HaveEXTshadowFuncs)
+      printf("  o = cycle through comparison modes\n");
+}
+
+
+int
+main(int argc, char *argv[])
+{
+   glutInit(&argc, argv);
+   glutInitWindowPosition(0, 0);
+   glutInitWindowSize(WindowWidth, WindowHeight);
+   glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
+   glutCreateWindow(argv[0]);
+   glutReshapeFunc(Reshape);
+   glutKeyboardFunc(Key);
+   glutSpecialFunc(SpecialKey);
+   glutDisplayFunc(Display);
+   if (Anim)
+      glutIdleFunc(Idle);
+   Init();
+   PrintHelp();
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/spectex.c b/nx-X11/extras/Mesa_6.4.2/progs/demos/spectex.c
new file mode 100644
index 000000000..6ab119157
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/spectex.c
@@ -0,0 +1,272 @@
+
+/*
+ * GLUT demonstration of texturing with specular highlights.
+ *
+ * When drawing a lit, textured surface one usually wants the specular
+ * highlight to override the texture colors.  However, OpenGL applies
+ * texturing after lighting so the specular highlight is modulated by
+ * the texture.
+ *
+ * The solution here shown here is a two-pass algorithm:
+ *  1. Draw the textured surface without specular lighting.
+ *  2. Enable blending to add the next pass:
+ *  3. Redraw the surface with a matte white material and only the
+ *     specular components of light sources enabled.
+ *
+ * Brian Paul  February 1997
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <GL/glut.h>
+
+
+static GLUquadricObj *Quadric;
+static GLuint Sphere;
+static GLfloat LightPos[4] = {10.0, 10.0, 10.0, 1.0};
+static GLfloat Delta = 20.0;
+static GLint Mode = 4;
+
+/*static GLfloat Blue[4] = {0.0, 0.0, 1.0, 1.0};*/
+/*static GLfloat Gray[4] = {0.5, 0.5, 0.5, 1.0};*/
+static GLfloat Black[4] = {0.0, 0.0, 0.0, 1.0};
+static GLfloat White[4] = {1.0, 1.0, 1.0, 1.0};
+
+static GLboolean smooth = 1;
+
+static void
+Idle(void)
+{
+   static double t0 = -1.;
+   double dt, t = glutGet(GLUT_ELAPSED_TIME) / 1000.0;;
+   if (t0 < 0.0)
+      t0 = t;
+   dt = t - t0;
+   t0 = t;
+   LightPos[0] += Delta * dt;
+   if (LightPos[0]>15.0 || LightPos[0]<-15.0)
+      Delta = -Delta;
+
+   glutPostRedisplay();
+}
+
+
+static void Display( void )
+{
+   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+   glLightfv(GL_LIGHT0, GL_POSITION, LightPos);
+
+   glPushMatrix();
+   glRotatef(90.0, 1.0, 0.0, 0.0);
+
+   if (Mode==0) {
+      /* Typical method: diffuse + specular + texture */
+      glEnable(GL_TEXTURE_2D);
+      glLightfv(GL_LIGHT0, GL_DIFFUSE, White);  /* enable diffuse */
+      glLightfv(GL_LIGHT0, GL_SPECULAR, White);  /* enable specular */
+#ifdef GL_VERSION_1_2
+      glLightModeli(GL_LIGHT_MODEL_COLOR_CONTROL, GL_SINGLE_COLOR);
+#endif
+      glCallList(Sphere);
+   }
+   else if (Mode==1) {
+      /* just specular highlight */
+      glDisable(GL_TEXTURE_2D);
+      glLightfv(GL_LIGHT0, GL_DIFFUSE, Black);  /* disable diffuse */
+      glLightfv(GL_LIGHT0, GL_SPECULAR, White);  /* enable specular */
+#ifdef GL_VERSION_1_2
+      glLightModeli(GL_LIGHT_MODEL_COLOR_CONTROL, GL_SINGLE_COLOR);
+#endif
+      glCallList(Sphere);
+   }
+   else if (Mode==2) {
+      /* diffuse textured */
+      glEnable(GL_TEXTURE_2D);
+      glLightfv(GL_LIGHT0, GL_DIFFUSE, White);  /* enable diffuse */
+      glLightfv(GL_LIGHT0, GL_SPECULAR, Black);  /* disable specular */
+#ifdef GL_VERSION_1_2
+      glLightModeli(GL_LIGHT_MODEL_COLOR_CONTROL, GL_SINGLE_COLOR);
+#endif
+      glCallList(Sphere);
+   }
+   else if (Mode==3) {
+      /* 2-pass: diffuse textured then add specular highlight*/
+      glEnable(GL_TEXTURE_2D);
+      glLightfv(GL_LIGHT0, GL_DIFFUSE, White);  /* enable diffuse */
+      glLightfv(GL_LIGHT0, GL_SPECULAR, Black);  /* disable specular */
+#ifdef GL_VERSION_1_2
+      glLightModeli(GL_LIGHT_MODEL_COLOR_CONTROL, GL_SINGLE_COLOR);
+#endif
+      glCallList(Sphere);
+      /* specular highlight */
+      glDepthFunc(GL_EQUAL);  /* redraw same pixels */
+      glDisable(GL_TEXTURE_2D);
+      glEnable(GL_BLEND);  /* add */
+      glLightfv(GL_LIGHT0, GL_DIFFUSE, Black);  /* disable diffuse */
+      glLightfv(GL_LIGHT0, GL_SPECULAR, White);  /* enable specular */
+      glCallList(Sphere);
+      glDepthFunc(GL_LESS);
+      glDisable(GL_BLEND);
+   }
+   else if (Mode==4) {
+      /* OpenGL 1.2's separate diffuse and specular color */
+      glEnable(GL_TEXTURE_2D);
+      glLightfv(GL_LIGHT0, GL_DIFFUSE, White);  /* enable diffuse */
+      glLightfv(GL_LIGHT0, GL_SPECULAR, White);  /* enable specular */
+#ifdef GL_VERSION_1_2
+      glLightModeli(GL_LIGHT_MODEL_COLOR_CONTROL, GL_SEPARATE_SPECULAR_COLOR);
+#endif
+      glCallList(Sphere);
+   }
+
+   glPopMatrix();
+
+   glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glFrustum( -1.0, 1.0, -1.0, 1.0, 5.0, 25.0 );
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   glTranslatef( 0.0, 0.0, -12.0 );
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+   case 27:
+      exit(0);
+      break;
+   case 's':
+      smooth = !smooth;
+      if (smooth)
+         glShadeModel(GL_SMOOTH);
+      else
+         glShadeModel(GL_FLAT);
+      break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void SpecialKey( int key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case GLUT_KEY_UP:
+         break;
+      case GLUT_KEY_DOWN:
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void Init( void )
+{
+   int i, j;
+   GLubyte texImage[64][64][3];
+
+   glEnable(GL_LIGHTING);
+   glEnable(GL_LIGHT0);
+   glLightModeli(GL_LIGHT_MODEL_TWO_SIDE, 0);
+   glLightModelfv(GL_LIGHT_MODEL_AMBIENT, Black);
+
+   glShadeModel(GL_SMOOTH);
+
+   glMaterialfv(GL_FRONT, GL_DIFFUSE, White);
+   glMaterialfv(GL_FRONT, GL_SPECULAR, White);
+   glMaterialf(GL_FRONT, GL_SHININESS, 20.0);
+
+   /* Actually, these are set again later */
+   glLightfv(GL_LIGHT0, GL_DIFFUSE, White);
+   glLightfv(GL_LIGHT0, GL_SPECULAR, White);
+
+   Quadric = gluNewQuadric();
+   gluQuadricTexture( Quadric, GL_TRUE );
+
+   Sphere= glGenLists(1);
+   glNewList( Sphere, GL_COMPILE );
+   gluSphere( Quadric, 1.0, 24, 24 );
+   glEndList();
+
+   glEnable(GL_DEPTH_TEST);
+   glEnable(GL_CULL_FACE);
+
+   for (i=0;i<64;i++) {
+      for (j=0;j<64;j++) {
+         int k = ((i>>3)&1) ^ ((j>>3)&1);
+         texImage[i][j][0] = 255*k;
+         texImage[i][j][1] = 255*(1-k);
+         texImage[i][j][2] = 0;
+      }
+   }
+
+   glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+   glTexImage2D( GL_TEXTURE_2D,
+                 0,
+                 3,
+                 64, 64,
+                 0,
+                 GL_RGB, GL_UNSIGNED_BYTE,
+                 texImage );
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+   glEnable(GL_TEXTURE_2D);
+
+   glBlendFunc(GL_ONE, GL_ONE);
+}
+
+
+static void ModeMenu(int entry)
+{
+   if (entry==99)
+      exit(0);
+   Mode = entry;
+}
+
+
+int main( int argc, char *argv[] )
+{
+
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( 300, 300 );
+
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
+
+   glutCreateWindow( "spectex" );
+
+   Init();
+
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutSpecialFunc( SpecialKey );
+   glutDisplayFunc( Display );
+   glutIdleFunc( Idle );
+
+   glutCreateMenu( ModeMenu );
+   glutAddMenuEntry("1-pass lighting + texturing", 0);
+   glutAddMenuEntry("specular lighting", 1);
+   glutAddMenuEntry("diffuse lighting + texturing", 2);
+   glutAddMenuEntry("2-pass lighting + texturing", 3);
+#ifdef GL_VERSION_1_2
+   glutAddMenuEntry("OpenGL 1.2 separate specular", 4);
+#endif
+   glutAddMenuEntry("Quit", 99);
+   glutAttachMenu(GLUT_RIGHT_BUTTON);
+
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/spriteblast.c b/nx-X11/extras/Mesa_6.4.2/progs/demos/spriteblast.c
new file mode 100644
index 000000000..d6e9a4de2
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/spriteblast.c
@@ -0,0 +1,554 @@
+
+/* Copyright (c) Mark J. Kilgard, 1997.  */
+
+/* This program is freely distributable without licensing fees 
+   and is provided without guarantee or warrantee expressed or 
+   implied. This program is -not- in the public domain. */
+
+/* This example demonstrates how to render particle effects
+   with OpenGL.  A cloud of pinkish/orange particles explodes with the
+   particles bouncing off the ground.  When the EXT_point_parameters
+   is present , the particle size is attenuated based on eye distance. */
+
+
+/* Modified by Brian Paul to test GL_ARB_point_sprite */
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>       /* for cos(), sin(), and sqrt() */
+#ifdef _WIN32
+#include <windows.h>
+#endif
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+
+/* Some <math.h> files do not define M_PI... */
+#ifndef M_PI
+#define M_PI 3.14159265
+#endif
+
+#if 0  /* For debugging. */
+#undef GL_EXT_point_parameters
+#endif
+
+static GLfloat angle = -150;   /* in degrees */
+static int spin = 0;
+static int moving, begin;
+static float theTime;
+static int repeat = 1;
+static int blend = 1;
+int useMipmaps = 1;
+int linearFiltering = 1;
+
+static GLfloat constant[3] = { .2,  0.0,     0.0 };
+static GLfloat linear[3]   = { .0,   .1,     0.0 };
+static GLfloat theQuad[3]  = { .005, 0.1, 1/600.0 };
+
+#define MAX_POINTS 2000
+
+static int numPoints = 200;
+
+static GLfloat pointList[MAX_POINTS][3];
+static GLfloat pointTime[MAX_POINTS];
+static GLfloat pointVelocity[MAX_POINTS][2];
+static GLfloat pointDirection[MAX_POINTS][2];
+static int colorList[MAX_POINTS];
+static int animate = 1, motion = 0, org = 0, sprite = 1, smooth = 1;
+
+static GLfloat colorSet[][4] = {
+  /* Shades of red. */
+  { 0.7, 0.2, 0.4, 0.5 },
+  { 0.8, 0.0, 0.7, 0.5 },
+  { 1.0, 0.0, 0.0, 0.5 },
+  { 0.9, 0.3, 0.6, 0.5 },
+  { 1.0, 0.4, 0.0, 0.5 },
+  { 1.0, 0.0, 0.5, 0.5 },
+};
+
+#define NUM_COLORS (sizeof(colorSet)/sizeof(colorSet[0]))
+
+#define DEAD (NUM_COLORS+1)
+
+
+/* GL */
+static GLint spritePattern[16][16] = {
+   { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+   { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+   { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+   { 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0 },
+   { 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 0 },
+   { 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 0, 0 },
+   { 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0 },
+   { 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0 },
+   { 0, 1, 1, 0, 0, 1, 1, 1, 1, 0, 1, 1, 0, 0, 0, 0 },
+   { 0, 1, 1, 0, 0, 1, 1, 1, 1, 0, 1, 1, 0, 0, 0, 0 },
+   { 0, 1, 1, 0, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 0, 0 },
+   { 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1, 1, 0 },
+   { 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0 },
+   { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+   { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+   { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
+};
+
+
+
+
+#if 0  /* drand48 might be better on Unix machines */
+#define RANDOM_RANGE(lo, hi) ((lo) + (hi - lo) * drand48())
+#else
+static float float_rand(void) { return rand() / (float) RAND_MAX; }
+#define RANDOM_RANGE(lo, hi) ((lo) + (hi - lo) * float_rand())
+#endif
+
+#define MEAN_VELOCITY 3.0
+#define GRAVITY 2.0
+
+/* Modeling units of ground extent in each X and Z direction. */
+#define EDGE 12
+
+static void
+makePointList(void)
+{
+  float angle, velocity, direction;
+  int i;
+
+  motion = 1;
+  for (i=0; i<numPoints; i++) {
+    pointList[i][0] = 0.0;
+    pointList[i][1] = 0.0;
+    pointList[i][2] = 0.0;
+    pointTime[i] = 0.0;
+    angle = (RANDOM_RANGE(60.0, 70.0)) * M_PI/180.0;
+    direction = RANDOM_RANGE(0.0, 360.0) * M_PI/180.0;
+    pointDirection[i][0] = cos(direction);
+    pointDirection[i][1] = sin(direction);
+    velocity = MEAN_VELOCITY + RANDOM_RANGE(-0.8, 1.0);
+    pointVelocity[i][0] = velocity * cos(angle);
+    pointVelocity[i][1] = velocity * sin(angle);
+    colorList[i] = rand() % NUM_COLORS;
+  }
+  theTime = 0.0;
+}
+
+static void
+updatePointList(void)
+{
+  float distance;
+  int i;
+
+  static double t0 = -1.;
+  double dt, t = glutGet(GLUT_ELAPSED_TIME) / 1000.0;
+  if (t0 < 0.0)
+    t0 = t;
+  dt = t - t0;
+  t0 = t;
+
+  motion = 0;
+  for (i=0; i<numPoints; i++) {
+    distance = pointVelocity[i][0] * theTime;
+
+    /* X and Z */
+    pointList[i][0] = pointDirection[i][0] * distance;
+    pointList[i][2] = pointDirection[i][1] * distance;
+
+    /* Z */
+    pointList[i][1] =
+      (pointVelocity[i][1] - 0.5 * GRAVITY * pointTime[i])*pointTime[i];
+
+    /* If we hit the ground, bounce the point upward again. */
+    if (pointList[i][1] <= 0.0) {
+      if (distance > EDGE) {
+        /* Particle has hit ground past the distance duration of
+          the particles.  Mark particle as dead. */
+       colorList[i] = NUM_COLORS;  /* Not moving. */
+       continue;
+      }
+
+      pointVelocity[i][1] *= 0.8;  /* 80% of previous up velocity. */
+      pointTime[i] = 0.0;  /* Reset the particles sense of up time. */
+    }
+    motion = 1;
+    pointTime[i] += dt;
+  }
+  theTime += dt;
+  if (!motion && !spin) {
+    if (repeat) {
+      makePointList();
+    } else {
+      glutIdleFunc(NULL);
+    }
+  }
+}
+
+static void
+idle(void)
+{
+  updatePointList();
+  if (spin) {
+    angle += 0.3;
+  }
+  glutPostRedisplay();
+}
+
+static void
+visible(int vis)
+{
+  if (vis == GLUT_VISIBLE) {
+    if (animate && (motion || spin)) {
+      glutIdleFunc(idle);
+    }
+  } else {
+    glutIdleFunc(NULL);
+  }
+}
+
+static void
+redraw(void)
+{
+  int i;
+
+  glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+  glPushMatrix();
+  glRotatef(15.0, 1.0, 0.0, 0.0);
+  glRotatef(angle, 0.0, 1.0, 0.0);
+
+  glDepthMask(GL_FALSE);
+
+  /* Draw the floor. */
+/*  glEnable(GL_TEXTURE_2D);*/
+  glColor3f(0.1, 0.5, 1.0);
+  glBegin(GL_QUADS);
+    glTexCoord2f(0.0, 0.0);
+    glVertex3f(-EDGE, -0.05, -EDGE);
+    glTexCoord2f(20.0, 0.0);
+    glVertex3f(EDGE, -0.05, -EDGE);
+    glTexCoord2f(20.0, 20.0);
+    glVertex3f(EDGE, -0.05, EDGE);
+    glTexCoord2f(0.0, 20.0);
+    glVertex3f(-EDGE, -0.05, EDGE);
+  glEnd();
+
+  /* Allow particles to blend with each other. */
+  glDepthMask(GL_TRUE);
+
+  if (blend)
+     glEnable(GL_BLEND);
+
+  if (sprite) {
+     glEnable(GL_TEXTURE_2D);
+#ifdef GL_ARB_point_sprite
+     glEnable(GL_POINT_SPRITE_ARB);
+#endif
+  }
+
+  glColor3f(1,1,1);
+  glBegin(GL_POINTS);
+    for (i=0; i<numPoints; i++) {
+      /* Draw alive particles. */
+      if (colorList[i] != DEAD) {
+        if (!sprite) glColor4fv(colorSet[colorList[i]]);
+        glVertex3fv(pointList[i]);
+      }
+    }
+  glEnd();
+
+  glDisable(GL_TEXTURE_2D);
+#ifdef GL_ARB_point_sprite
+  glDisable(GL_POINT_SPRITE_ARB);
+#endif
+  glDisable(GL_BLEND);
+
+  glPopMatrix();
+
+  glutSwapBuffers();
+}
+
+/* ARGSUSED2 */
+static void
+mouse(int button, int state, int x, int y)
+{
+  /* Scene can be spun around Y axis using left
+     mouse button movement. */
+  if (button == GLUT_LEFT_BUTTON && state == GLUT_DOWN) {
+    moving = 1;
+    begin = x;
+  }
+  if (button == GLUT_LEFT_BUTTON && state == GLUT_UP) {
+    moving = 0;
+  }
+}
+
+/* ARGSUSED1 */
+static void
+mouseMotion(int x, int y)
+{
+  if (moving) {
+    angle = angle + (x - begin);
+    begin = x;
+    glutPostRedisplay();
+  }
+}
+
+static void
+menu(int option)
+{
+  switch (option) {
+  case 0:
+    makePointList();
+    break;
+#ifdef GL_ARB_point_parameters
+  case 1:
+    glPointParameterfvARB(GL_POINT_DISTANCE_ATTENUATION_ARB, constant);
+    break;
+  case 2:
+    glPointParameterfvARB(GL_POINT_DISTANCE_ATTENUATION_ARB, linear);
+    break;
+  case 3:
+    glPointParameterfvARB(GL_POINT_DISTANCE_ATTENUATION_ARB, theQuad);
+    break;
+#endif
+  case 4:
+    blend = 1;
+    break;
+  case 5:
+    blend = 0;
+    break;
+#ifdef GL_ARB_point_parameters
+  case 6:
+    glPointParameterfARB(GL_POINT_FADE_THRESHOLD_SIZE_ARB, 1.0);
+    break;
+  case 7:
+    glPointParameterfARB(GL_POINT_FADE_THRESHOLD_SIZE_ARB, 10.0);
+    break;
+#endif
+  case 8:
+    glEnable(GL_POINT_SMOOTH);
+    smooth = 1;
+    break;
+  case 9:
+    glDisable(GL_POINT_SMOOTH);
+    smooth = 0;
+    break;
+  case 10:
+    glPointSize(4.0);
+    break;
+  case 11:
+    glPointSize(8.0);
+    break;
+  case 12:
+    glPointSize(16.0);
+    break;
+  case 13:
+    spin = 1 - spin;
+    if (animate && (spin || motion)) {
+      glutIdleFunc(idle);
+    } else {
+      glutIdleFunc(NULL);
+    }
+    break;
+  case 14:
+    numPoints = 200;
+    break;
+  case 15:
+    numPoints = 500;
+    break;
+  case 16:
+    numPoints = 1000;
+    break;
+  case 17:
+    numPoints = 2000;
+    break;
+  case 666:
+    exit(0);
+  }
+  glutPostRedisplay();
+}
+
+/* ARGSUSED1 */
+static void
+key(unsigned char c, int x, int y)
+{
+  switch (c) {
+  case 13:
+    animate = 1 - animate;  /* toggle. */
+    if (animate && (motion || spin)) {
+      glutIdleFunc(idle);
+    } else {
+      glutIdleFunc(NULL);
+    }
+    break;
+  case ' ':
+    animate = 1;
+    makePointList();
+    glutIdleFunc(idle);
+    break;
+  case 'o':
+  case 'O':
+    org ^= 1;
+#ifdef GL_VERSION_2_0
+#ifdef GL_ARB_point_parameters
+    glPointParameteri(GL_POINT_SPRITE_COORD_ORIGIN,
+                      org ? GL_LOWER_LEFT : GL_UPPER_LEFT);
+#endif
+#endif
+    glutPostRedisplay();
+    break;
+  case 't':
+  case 'T':
+    sprite ^= 1;
+    glutPostRedisplay();
+    break;
+  case 's':
+  case 'S':
+    (smooth ^= 1) ? glEnable(GL_POINT_SMOOTH) : glDisable(GL_POINT_SMOOTH);
+    glutPostRedisplay();
+    break;
+  case '0':
+    glPointSize(1.0);
+    glutPostRedisplay();
+    break;
+  case '1':
+    glPointSize(2.0);
+    glutPostRedisplay();
+    break;
+  case '2':
+    glPointSize(4.0);
+    glutPostRedisplay();
+    break;
+  case '3':
+    glPointSize(8.0);
+    glutPostRedisplay();
+    break;
+  case '4':
+    glPointSize(16.0);
+    glutPostRedisplay();
+    break;
+  case 27:
+    exit(0);
+  }
+}
+
+
+
+static void
+makeSprite(void)
+{
+   GLubyte texture[16][16][4];
+   int i, j;
+
+   if (!glutExtensionSupported("GL_ARB_point_sprite")) {
+      printf("Sorry, this demo requires GL_ARB_point_sprite.\n");
+      exit(0);
+   }
+   if (!glutExtensionSupported("GL_ARB_point_parameters")) {
+      printf("Sorry, this demo requires GL_ARB_point_parameters.\n");
+      exit(0);
+   }
+
+   for (i = 0; i < 16; i++) {
+      for (j = 0; j < 16; j++) {
+         if (spritePattern[i][j]) {
+            texture[i][j][0] = 255;
+            texture[i][j][1] = 255;
+            texture[i][j][2] = 255;
+            texture[i][j][3] = 255;
+         }
+         else {
+            texture[i][j][0] = 255;
+            texture[i][j][1] = 0;
+            texture[i][j][2] = 0;
+            texture[i][j][3] = 0;
+         }
+      }
+   }
+
+   glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 16, 16, 0, GL_RGBA, GL_UNSIGNED_BYTE,
+                texture);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+#ifdef GL_ARB_point_sprite
+   glTexEnvi(GL_POINT_SPRITE_ARB, GL_COORD_REPLACE_ARB, GL_TRUE);
+#endif
+}
+
+
+static void
+reshape(int width, int height)
+{
+  GLfloat h = (GLfloat) height / (GLfloat) width;
+
+  glViewport(0, 0, (GLint) width, (GLint) height);
+  glMatrixMode(GL_PROJECTION);
+  glLoadIdentity();
+  glFrustum(-1.0, 1.0, -h, h, 2.0, 30.0);
+  glMatrixMode(GL_MODELVIEW);
+  glLoadIdentity();
+  glTranslatef(0.0, 0.0, -10.0);
+}
+
+int
+main(int argc, char **argv)
+{
+  int i;
+  glutInit(&argc, argv);
+  glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH | GLUT_MULTISAMPLE);
+
+  for (i=1; i<argc; i++) {
+    if(!strcmp("-noms", argv[i])) {
+      glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
+      printf("forcing no multisampling\n");
+    } else if(!strcmp("-nomipmaps", argv[i])) {
+      useMipmaps = 0;
+    } else if(!strcmp("-nearest", argv[i])) {
+      linearFiltering = 0;
+    }
+  }
+  glutInitWindowPosition(0, 0);
+  glutInitWindowSize(600,300);
+  glutCreateWindow("sprite blast");
+  glutReshapeFunc(reshape);
+  glutDisplayFunc(redraw);
+  glutMouseFunc(mouse);
+  glutMotionFunc(mouseMotion);
+  glutVisibilityFunc(visible);
+  glutKeyboardFunc(key);
+  glutCreateMenu(menu);
+  glutAddMenuEntry("Reset time", 0);
+  glutAddMenuEntry("Constant", 1);
+  glutAddMenuEntry("Linear", 2);
+  glutAddMenuEntry("Quadratic", 3);
+  glutAddMenuEntry("Blend on", 4);
+  glutAddMenuEntry("Blend off", 5);
+  glutAddMenuEntry("Threshold 1", 6);
+  glutAddMenuEntry("Threshold 10", 7);
+  glutAddMenuEntry("Point smooth on", 8);
+  glutAddMenuEntry("Point smooth off", 9);
+  glutAddMenuEntry("Point size 4", 10);
+  glutAddMenuEntry("Point size 8", 11);
+  glutAddMenuEntry("Point size 16", 12);
+  glutAddMenuEntry("Toggle spin", 13);
+  glutAddMenuEntry("200 points ", 14);
+  glutAddMenuEntry("500 points ", 15);
+  glutAddMenuEntry("1000 points ", 16);
+  glutAddMenuEntry("2000 points ", 17);
+  glutAddMenuEntry("Quit", 666);
+  glutAttachMenu(GLUT_RIGHT_BUTTON);
+
+  glShadeModel(GL_FLAT);
+  glEnable(GL_DEPTH_TEST);
+  glEnable(GL_POINT_SMOOTH);
+  glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+  glPointSize(16.0);
+#ifdef GL_ARB_point_parameters
+  glPointParameterfvARB(GL_POINT_DISTANCE_ATTENUATION_ARB, theQuad);
+#endif
+
+  makePointList();
+  makeSprite();
+
+  glutMainLoop();
+  return 0;             /* ANSI C requires main to return int. */
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/stex3d.c b/nx-X11/extras/Mesa_6.4.2/progs/demos/stex3d.c
new file mode 100644
index 000000000..e4554d071
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/stex3d.c
@@ -0,0 +1,678 @@
+/*----------------------------- 
+ * stex3d.c GL example of the mesa 3d-texture extention to simulate procedural
+ *            texturing, it uses a perlin noise and turbulence functions.
+ * 
+ * Author:   Daniel Barrero
+ *           barrero@irit.fr
+ *           dbarrero@pegasus.uniandes.edu.co
+ *
+ * Converted to GLUT by brianp on 1/1/98
+ * Massive clean-up on 2002/10/23 by brianp
+ *
+ *      
+ * cc stex3d.c -o stex3d -lglut -lMesaGLU -lMesaGL -lX11 -lXext -lm 
+ *
+ *---------------------------- */
+
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <GL/gl.h>
+#include <GL/glut.h>
+
+
+#ifndef M_PI
+#define M_PI            3.14159265358979323846
+#endif
+
+#define NOISE_TEXTURE 1
+#define GRADIENT_TEXTURE 2
+
+#define TORUS 1
+#define SPHERE 2
+
+static int tex_width=64, tex_height=64, tex_depth=64;
+static float angx=0, angy=0, angz=0;
+static int texgen = 2, animate = 1, smooth = 1, wireframe = 0;
+static int CurTexture = NOISE_TEXTURE, CurObject = TORUS;
+
+
+static void
+BuildTorus(void)
+{
+   GLint i, j;
+   float theta1, phi1, theta2, phi2, rings, sides;
+   float v0[03], v1[3], v2[3], v3[3];
+   float t0[03], t1[3], t2[3], t3[3];
+   float n0[3], n1[3], n2[3], n3[3];
+   float innerRadius = 0.25;
+   float outerRadius = 0.5;
+   float scalFac;
+
+   rings = 16;
+   sides = 12;
+   scalFac = 1 / (outerRadius * 2);
+
+   glNewList(TORUS, GL_COMPILE);
+   for (i = 0; i < rings; i++) {
+      theta1 = (float) i *2.0 * M_PI / rings;
+      theta2 = (float) (i + 1) * 2.0 * M_PI / rings;
+      for (j = 0; j < sides; j++) {
+	 phi1 = (float) j *2.0 * M_PI / sides;
+	 phi2 = (float) (j + 1) * 2.0 * M_PI / sides;
+
+	 v0[0] = cos(theta1) * (outerRadius + innerRadius * cos(phi1));
+	 v0[1] = -sin(theta1) * (outerRadius + innerRadius * cos(phi1));
+	 v0[2] = innerRadius * sin(phi1);
+
+	 v1[0] = cos(theta2) * (outerRadius + innerRadius * cos(phi1));
+	 v1[1] = -sin(theta2) * (outerRadius + innerRadius * cos(phi1));
+	 v1[2] = innerRadius * sin(phi1);
+	 v2[0] = cos(theta2) * (outerRadius + innerRadius * cos(phi2));
+	 v2[1] = -sin(theta2) * (outerRadius + innerRadius * cos(phi2));
+	 v2[2] = innerRadius * sin(phi2);
+
+	 v3[0] = cos(theta1) * (outerRadius + innerRadius * cos(phi2));
+	 v3[1] = -sin(theta1) * (outerRadius + innerRadius * cos(phi2));
+	 v3[2] = innerRadius * sin(phi2);
+
+	 n0[0] = cos(theta1) * (cos(phi1));
+	 n0[1] = -sin(theta1) * (cos(phi1));
+	 n0[2] = sin(phi1);
+
+	 n1[0] = cos(theta2) * (cos(phi1));
+	 n1[1] = -sin(theta2) * (cos(phi1));
+	 n1[2] = sin(phi1);
+
+	 n2[0] = cos(theta2) * (cos(phi2));
+	 n2[1] = -sin(theta2) * (cos(phi2));
+	 n2[2] = sin(phi2);
+
+	 n3[0] = cos(theta1) * (cos(phi2));
+	 n3[1] = -sin(theta1) * (cos(phi2));
+	 n3[2] = sin(phi2);
+
+	 t0[0] = v0[0] * scalFac + 0.5;
+	 t0[1] = v0[1] * scalFac + 0.5;
+	 t0[2] = v0[2] * scalFac + 0.5;
+
+	 t1[0] = v1[0] * scalFac + 0.5;
+	 t1[1] = v1[1] * scalFac + 0.5;
+	 t1[2] = v1[2] * scalFac + 0.5;
+
+	 t2[0] = v2[0] * scalFac + 0.5;
+	 t2[1] = v2[1] * scalFac + 0.5;
+	 t2[2] = v2[2] * scalFac + 0.5;
+
+	 t3[0] = v3[0] * scalFac + 0.5;
+	 t3[1] = v3[1] * scalFac + 0.5;
+	 t3[2] = v3[2] * scalFac + 0.5;
+
+	 glBegin(GL_POLYGON);
+	 glNormal3fv(n3);
+	 glTexCoord3fv(t3);
+	 glVertex3fv(v3);
+	 glNormal3fv(n2);
+	 glTexCoord3fv(t2);
+	 glVertex3fv(v2);
+	 glNormal3fv(n1);
+	 glTexCoord3fv(t1);
+	 glVertex3fv(v1);
+	 glNormal3fv(n0);
+	 glTexCoord3fv(t0);
+	 glVertex3fv(v0);
+	 glEnd();
+      }
+   }
+   glEndList();
+}
+
+
+/*--------------------------------------------------------------------
+ noise function over R3 - implemented by a pseudorandom tricubic spline 
+              EXCERPTED FROM SIGGRAPH 92, COURSE 23
+                        PROCEDURAL MODELING
+                             Ken Perlin
+                           New York University
+----------------------------------------------------------------------*/
+
+
+#define DOT(a,b) (a[0] * b[0] + a[1] * b[1] + a[2] * b[2])
+#define B 128
+static int p[B + B + 2];
+static float g[B + B + 2][3];
+#define setup(i,b0,b1,r0,r1) \
+        t = vec[i] + 10000.; \
+        b0 = ((int)t) & (B-1); \
+        b1 = (b0+1) & (B-1); \
+        r0 = t - (int)t; \
+        r1 = r0 - 1.;
+
+static float
+noise3(float vec[3])
+{
+   int bx0, bx1, by0, by1, bz0, bz1, b00, b10, b01, b11;
+   float rx0, rx1, ry0, ry1, rz0, rz1, *q, sx, sy, sz, a, b, c, d, t, u, v;
+   register int i, j;
+
+   setup(0, bx0, bx1, rx0, rx1);
+   setup(1, by0, by1, ry0, ry1);
+   setup(2, bz0, bz1, rz0, rz1);
+
+   i = p[bx0];
+   j = p[bx1];
+
+   b00 = p[i + by0];
+   b10 = p[j + by0];
+   b01 = p[i + by1];
+   b11 = p[j + by1];
+
+#define at(rx,ry,rz) ( rx * q[0] + ry * q[1] + rz * q[2] )
+#define surve(t) ( t * t * (3. - 2. * t) )
+#define lerp(t, a, b) ( a + t * (b - a) )
+
+   sx = surve(rx0);
+   sy = surve(ry0);
+   sz = surve(rz0);
+
+   q = g[b00 + bz0];
+   u = at(rx0, ry0, rz0);
+   q = g[b10 + bz0];
+   v = at(rx1, ry0, rz0);
+   a = lerp(sx, u, v);
+
+   q = g[b01 + bz0];
+   u = at(rx0, ry1, rz0);
+   q = g[b11 + bz0];
+   v = at(rx1, ry1, rz0);
+   b = lerp(sx, u, v);
+
+   c = lerp(sy, a, b);		/* interpolate in y at lo x */
+
+   q = g[b00 + bz1];
+   u = at(rx0, ry0, rz1);
+   q = g[b10 + bz1];
+   v = at(rx1, ry0, rz1);
+   a = lerp(sx, u, v);
+
+   q = g[b01 + bz1];
+   u = at(rx0, ry1, rz1);
+   q = g[b11 + bz1];
+   v = at(rx1, ry1, rz1);
+   b = lerp(sx, u, v);
+
+   d = lerp(sy, a, b);		/* interpolate in y at hi x */
+
+   return 1.5 * lerp(sz, c, d);	/* interpolate in z */
+}
+
+static void
+initNoise(void)
+{
+   /*long random(); */
+   int i, j, k;
+   float v[3], s;
+
+   /* Create an array of random gradient vectors uniformly on the unit sphere */
+   /*srandom(1); */
+   srand(1);
+   for (i = 0; i < B; i++) {
+      do {			/* Choose uniformly in a cube */
+	 for (j = 0; j < 3; j++)
+	    v[j] = (float) ((rand() % (B + B)) - B) / B;
+	 s = DOT(v, v);
+      } while (s > 1.0);	/* If not in sphere try again */
+      s = sqrt(s);
+      for (j = 0; j < 3; j++)	/* Else normalize */
+	 g[i][j] = v[j] / s;
+   }
+
+   /* Create a pseudorandom permutation of [1..B] */
+   for (i = 0; i < B; i++)
+      p[i] = i;
+   for (i = B; i > 0; i -= 2) {
+      k = p[i];
+      p[i] = p[j = rand() % B];
+      p[j] = k;
+   }
+
+   /* Extend g and p arrays to allow for faster indexing */
+   for (i = 0; i < B + 2; i++) {
+      p[B + i] = p[i];
+      for (j = 0; j < 3; j++)
+	 g[B + i][j] = g[i][j];
+   }
+}
+
+
+static float
+turbulence(float point[3], float lofreq, float hifreq)
+{
+   float freq, t, p[3];
+
+   p[0] = point[0] + 123.456;
+   p[1] = point[1];
+   p[2] = point[2];
+
+   t = 0;
+   for (freq = lofreq; freq < hifreq; freq *= 2.) {
+      t += fabs(noise3(p)) / freq;
+      p[0] *= 2.;
+      p[1] *= 2.;
+      p[2] *= 2.;
+   }
+   return t - 0.3;		/* readjust to make mean value = 0.0 */
+}
+
+
+static void
+create3Dtexture(void)
+{
+   unsigned char *voxels = NULL;
+   int i, j, k;
+   unsigned char *vp;
+   float vec[3];
+   int tmp;
+
+   printf("creating 3d textures...\n");
+   voxels =
+      (unsigned char *)
+      malloc((size_t) (4 * tex_width * tex_height * tex_depth));
+   vp = voxels;
+   for (i = 0; i < tex_width; i++) {
+      vec[0] = i;
+      for (j = 0; j < tex_height; j++) {
+	 vec[1] = j;
+	 for (k = 0; k < tex_depth; k++) {
+	    vec[2] = k;
+	    tmp = (sin(k * i * j + turbulence(vec, 0.01, 1)) + 1) * 127.5;
+	    *vp++ = 0;
+	    *vp++ = 0;
+	    *vp++ = tmp;
+	    *vp++ = tmp + 128;
+	 }
+      }
+   }
+
+   printf("setting up 3d texture...\n");
+
+   glBindTexture(GL_TEXTURE_3D, NOISE_TEXTURE);
+   glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+   glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+   glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+   glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+   glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_R, GL_REPEAT);
+   glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
+
+   glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+   glTexImage3D(GL_TEXTURE_3D, 0, GL_RGBA,
+		tex_width, tex_height, tex_depth,
+		0, GL_RGBA, GL_UNSIGNED_BYTE, voxels);
+
+   free(voxels);
+
+   printf("finished setting up 3d texture image.\n");
+}
+
+
+static void
+printHelp(void)
+{
+   printf("\nUsage: stex3d  <cmd line options>\n");
+   printf(" cmd line options:\n");
+   printf("      -wxxx   Width of the texture (Default=64)\n");
+   printf("      -hxxx   Height of the texture (Default=64)\n");
+   printf("      -dxxx   Depth of the texture (Default=64)\n");
+   printf(" Keyboard Options:\n");
+   printf("    up/down   rotate around X\n");
+   printf("  left/right  rotate around Y\n");
+   printf("      z/Z     rotate around Z\n");
+   printf("       a      toggle animation\n");
+   printf("       s      toggle smooth shading\n");
+   printf("       t      toggle texgen mode\n");
+   printf("       o      toggle object: torus/sphere\n");
+   printf("       i      toggle texture image: noise/gradient\n");
+}
+
+
+static GLenum
+parseCmdLine(int argc, char **argv)
+{
+   GLint i;
+
+   for (i = 1; i < argc; i++) {
+      if (strstr(argv[i], "-w") == 0) {
+	 tex_width = atoi((argv[i]) + 2);
+      }
+      else if (strstr(argv[i], "-h") == 0) {
+	 tex_height = atoi((argv[i]) + 2);
+      }
+      else if (strstr(argv[i], "-d") == 0) {
+	 tex_depth = atoi((argv[i]) + 2);
+      }
+      else if (strcmp(argv[i], "-help") == 0) {
+	 printHelp();
+	 return GL_FALSE;
+      }
+      else {
+	 printf("%s (Bad option).\n", argv[i]);
+	 printHelp();
+	 return GL_FALSE;
+      }
+   }
+   if (tex_width == 0 || tex_height == 0 || tex_depth == 0) {
+      printf("%s (Bad option).\n", "size parameters can't be 0");
+      printHelp();
+      return GL_FALSE;
+   }
+   return GL_TRUE;
+}
+
+
+static void
+drawScene(void)
+{
+   static const GLfloat sPlane[4] = { 0.5, 0, 0, -.5 };
+   static const GLfloat tPlane[4] = { 0, 0.5, 0, -.5 };
+   static const GLfloat rPlane[4] = { 0, 0, 0.5, -.5 };
+
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+   glPushMatrix();
+   if (texgen == 2) {
+      glTexGenfv(GL_S, GL_EYE_PLANE, sPlane);
+      glTexGenfv(GL_T, GL_EYE_PLANE, tPlane);
+      glTexGenfv(GL_R, GL_EYE_PLANE, rPlane);
+   }
+
+   glRotatef(angx, 1.0, 0.0, 0.0);
+   glRotatef(angy, 0.0, 1.0, 0.0);
+   glRotatef(angz, 0.0, 0.0, 1.0);
+
+   if (texgen == 1) {
+      glTexGenfv(GL_S, GL_EYE_PLANE, sPlane);
+      glTexGenfv(GL_T, GL_EYE_PLANE, tPlane);
+      glTexGenfv(GL_R, GL_EYE_PLANE, rPlane);
+   }
+
+   if (texgen) {
+      glEnable(GL_TEXTURE_GEN_S);
+      glEnable(GL_TEXTURE_GEN_T);
+      glEnable(GL_TEXTURE_GEN_R);
+   }
+   else {
+      glDisable(GL_TEXTURE_GEN_S);
+      glDisable(GL_TEXTURE_GEN_T);
+      glDisable(GL_TEXTURE_GEN_R);
+   }
+
+   glCallList(CurObject);
+   glPopMatrix();
+
+   glutSwapBuffers();
+}
+
+
+static void
+resize(int w, int h)
+{
+   float ar = (float) w / (float) h;
+   float ax = 0.6 * ar;
+   float ay = 0.6;
+   glViewport(0, 0, (GLint) w, (GLint) h);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glFrustum(-ax, ax, -ay, ay, 2, 20);
+   /*glOrtho(-2, 2, -2, 2, -10, 10);*/
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glTranslatef(0, 0, -4);
+}
+
+
+static void
+Idle(void)
+{
+   float t = glutGet(GLUT_ELAPSED_TIME);
+   angx = 0.01 * t;
+   angy = 0.03 * t;
+   angz += 0;
+   glutPostRedisplay();
+}
+
+
+static void
+SpecialKey(int k, int x, int y)
+{
+  switch (k) {
+  case GLUT_KEY_UP:
+    angx += 5.0;
+    break;
+  case GLUT_KEY_DOWN:
+    angx -= 5.0;
+    break;
+  case GLUT_KEY_LEFT:
+    angy += 5.0;
+    break;
+  case GLUT_KEY_RIGHT:
+    angy -= 5.0;
+    break;
+  default:
+    return;
+  }
+  glutPostRedisplay();
+}
+
+
+static void
+KeyHandler(unsigned char key, int x, int y)
+{
+   static const char *mode[] = {
+      "glTexCoord3f (no texgen)",
+      "texgen fixed to object coords",
+      "texgen fixed to eye coords"
+   };
+   (void) x;
+   (void) y;
+   switch (key) {
+   case 27:
+   case 'q':
+   case 'Q':			/* quit game. */
+      exit(0);
+      break;
+   case 'z':
+      angz += 10;
+      break;
+   case 'Z':
+      angz -= 10;
+      break;
+   case 's':
+      smooth = !smooth;
+      if (smooth)
+         glShadeModel(GL_SMOOTH);
+      else
+         glShadeModel(GL_FLAT);
+      break;
+   case 't':
+      texgen++;
+      if (texgen > 2)
+         texgen = 0;
+      printf("Texgen: %s\n", mode[texgen]);
+      break;
+   case 'o':
+      if (CurObject == TORUS)
+         CurObject = SPHERE;
+      else
+         CurObject = TORUS;
+      break;
+   case 'i':
+      if (CurTexture == NOISE_TEXTURE)
+         CurTexture = GRADIENT_TEXTURE;
+      else
+         CurTexture = NOISE_TEXTURE;
+      glBindTexture(GL_TEXTURE_3D, CurTexture);
+      break;
+   case 'a':
+      animate = !animate;
+      if (animate)
+         glutIdleFunc(Idle);
+      else
+         glutIdleFunc(NULL);
+      break;
+   case 'w':
+      wireframe = !wireframe;
+      if (wireframe)
+         glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
+      else
+         glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
+      break;
+   default:
+      break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void
+create3Dgradient(void)
+{
+   unsigned char *v;
+   int i, j, k;
+   unsigned char *voxels = NULL;
+
+   voxels = (unsigned char *) malloc(4 * tex_width * tex_height * tex_depth);
+   v = voxels;
+
+   for (i = 0; i < tex_depth; i++) {
+      for (j = 0; j < tex_height; j++) {
+	 for (k = 0; k < tex_width; k++) {
+	    GLint r = (255 * i) / (tex_depth - 1);
+	    GLint g = (255 * j) / (tex_height - 1);
+	    GLint b = (255 * k) / (tex_width - 1);
+	    *v++ = r;
+	    *v++ = g;
+	    *v++ = b;
+	    *v++ = 255;
+	 }
+      }
+   }
+
+
+   glBindTexture(GL_TEXTURE_3D, GRADIENT_TEXTURE);
+   glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+   glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+   glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+   glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+   glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_R, GL_REPEAT);
+   glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
+
+   glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+   glTexImage3D(GL_TEXTURE_3D, 0, GL_RGBA,
+		tex_width, tex_height, tex_depth,
+		0, GL_RGBA, GL_UNSIGNED_BYTE, voxels);
+
+   free(voxels);
+}
+
+
+
+static void
+init(void)
+{
+   static const GLfloat mat_specular[] = { 1.0, 1.0, 1.0, 1.0 };
+   static const GLfloat mat_shininess[] = { 25.0 };
+   static const GLfloat gray[] = { 0.6, 0.6, 0.6, 0.0 };
+   static const GLfloat white[] = { 1.0, 1.0, 1.0, 0.0 };
+   static const GLfloat light_position[] = { 0.0, 1.0, 1.0, 0.0 };
+
+   int max;
+
+   /* see if we have OpenGL 1.2 or later, for 3D texturing */
+   {
+      const char *version = (const char *) glGetString(GL_VERSION);
+      if (strncmp(version, "1.0", 3) == 0 || strncmp(version, "1.1", 3) == 0) {
+	 printf("Sorry, OpenGL 1.2 or later is required\n");
+	 exit(1);
+      }
+   }
+   printf("GL_RENDERER: %s\n", (char *) glGetString(GL_RENDERER));
+   glGetIntegerv(GL_MAX_3D_TEXTURE_SIZE, &max);
+   printf("GL_MAX_3D_TEXTURE_SIZE: %d\n", max);
+   printf("Current 3D texture size: %d x %d x %d\n",
+          tex_width, tex_height, tex_depth);
+
+   /* init light */
+   glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
+   glMaterialfv(GL_FRONT, GL_SHININESS, mat_shininess);
+   glLightfv(GL_LIGHT1, GL_POSITION, light_position);
+   glLightfv(GL_LIGHT1, GL_AMBIENT, gray);
+   glLightfv(GL_LIGHT1, GL_DIFFUSE, white);
+   glLightfv(GL_LIGHT1, GL_SPECULAR, white);
+   glColorMaterial(GL_FRONT, GL_DIFFUSE);
+   glEnable(GL_COLOR_MATERIAL);
+   glEnable(GL_LIGHTING);
+   glEnable(GL_LIGHT1);
+
+   glClearColor(.5, .5, .5, 0);
+
+   {
+      GLUquadricObj *q;
+      q = gluNewQuadric();
+      gluQuadricTexture( q, GL_TRUE );
+      glNewList(SPHERE, GL_COMPILE);
+      gluSphere( q, 0.95, 30, 15 );
+      glEndList();
+      gluDeleteQuadric(q);
+   }
+
+   BuildTorus();
+
+
+   create3Dgradient();
+
+   initNoise();
+   create3Dtexture();
+
+   glEnable(GL_TEXTURE_3D);
+
+   /*
+      glBlendFunc(GL_SRC_COLOR, GL_SRC_ALPHA);
+      glEnable(GL_BLEND); 
+    */
+   glEnable(GL_DEPTH_TEST);
+
+   glColor3f(0.6, 0.7, 0.8);
+}
+
+
+int
+main(int argc, char **argv)
+{
+   glutInit(&argc, argv);
+
+   if (parseCmdLine(argc, argv) == GL_FALSE) {
+      exit(0);
+   }
+
+   glutInitWindowPosition(0, 0);
+   glutInitWindowSize(400, 400);
+   glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
+
+   if (glutCreateWindow("stex3d") <= 0) {
+      exit(0);
+   }
+
+   init();
+
+   printHelp();
+
+   glutReshapeFunc(resize);
+   glutKeyboardFunc(KeyHandler);
+   glutSpecialFunc(SpecialKey);
+   glutDisplayFunc(drawScene);
+   if (animate)
+      glutIdleFunc(Idle);
+   glutMainLoop();
+   return 0;
+}
+
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/teapot.c b/nx-X11/extras/Mesa_6.4.2/progs/demos/teapot.c
new file mode 100644
index 000000000..38ede7ac3
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/teapot.c
@@ -0,0 +1,675 @@
+/*
+ * This program is under the GNU GPL.
+ * Use at your own risk.
+ *
+ * written by David Bucciarelli (tech.hmw@plus.it)
+ *            Humanware s.r.l.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <time.h>
+#include <string.h>
+
+#ifdef WIN32
+#include <windows.h>
+#endif
+
+#include <GL/glut.h>
+#include "readtex.h"
+
+#ifdef XMESA
+#include "GL/xmesa.h"
+static int fullscreen=1;
+#endif
+
+static int WIDTH=640;
+static int HEIGHT=480;
+
+static GLint T0 = 0;
+static GLint Frames = 0;
+
+#define BASESIZE 10.0
+
+#define BASERES 12
+#define TEAPOTRES 3
+
+#ifndef M_PI
+#define M_PI 3.1415926535
+#endif
+
+extern void shadowmatrix(GLfloat [4][4], GLfloat [4], GLfloat [4]);
+extern void findplane(GLfloat [4], GLfloat [3], GLfloat [3], GLfloat [3]);
+
+
+static int win=0;
+
+static float obs[3]={5.0,0.0,1.0};
+static float dir[3];
+static float v=0.0;
+static float alpha=-90.0;
+static float beta=90.0;
+
+static GLfloat baseshadow[4][4];
+static GLfloat lightpos[4]={2.3,0.0,3.0,1.0};
+static GLfloat lightdir[3]={-2.3,0.0,-3.0};
+static GLfloat lightalpha=0.0;
+
+static int fog=1;
+static int bfcull=1;
+static int usetex=1;
+static int help=1;
+static int joyavailable=0;
+static int joyactive=0;
+
+static GLuint t1id,t2id;
+static GLuint teapotdlist,basedlist,lightdlist;
+
+
+
+/******************** begin shadow code ********************/
+
+/* Taken from the projshadow.c - by Tom McReynolds, SGI */
+
+/* Modified by David Bucciarelli */
+
+enum {
+  X, Y, Z, W
+};
+enum {
+  A, B, C, D
+};
+
+/* create a matrix that will project the desired shadow */
+void
+shadowmatrix(GLfloat shadowMat[4][4],
+  GLfloat groundplane[4],
+  GLfloat lightpos[4])
+{
+  GLfloat dot;
+
+  /* find dot product between light position vector and ground plane normal */
+  dot = groundplane[X] * lightpos[X] +
+    groundplane[Y] * lightpos[Y] +
+    groundplane[Z] * lightpos[Z] +
+    groundplane[W] * lightpos[W];
+
+  shadowMat[0][0] = dot - lightpos[X] * groundplane[X];
+  shadowMat[1][0] = 0.f - lightpos[X] * groundplane[Y];
+  shadowMat[2][0] = 0.f - lightpos[X] * groundplane[Z];
+  shadowMat[3][0] = 0.f - lightpos[X] * groundplane[W];
+
+  shadowMat[X][1] = 0.f - lightpos[Y] * groundplane[X];
+  shadowMat[1][1] = dot - lightpos[Y] * groundplane[Y];
+  shadowMat[2][1] = 0.f - lightpos[Y] * groundplane[Z];
+  shadowMat[3][1] = 0.f - lightpos[Y] * groundplane[W];
+
+  shadowMat[X][2] = 0.f - lightpos[Z] * groundplane[X];
+  shadowMat[1][2] = 0.f - lightpos[Z] * groundplane[Y];
+  shadowMat[2][2] = dot - lightpos[Z] * groundplane[Z];
+  shadowMat[3][2] = 0.f - lightpos[Z] * groundplane[W];
+
+  shadowMat[X][3] = 0.f - lightpos[W] * groundplane[X];
+  shadowMat[1][3] = 0.f - lightpos[W] * groundplane[Y];
+  shadowMat[2][3] = 0.f - lightpos[W] * groundplane[Z];
+  shadowMat[3][3] = dot - lightpos[W] * groundplane[W];
+
+}
+
+/* find the plane equation given 3 points */
+void
+findplane(GLfloat plane[4],
+  GLfloat v0[3], GLfloat v1[3], GLfloat v2[3])
+{
+  GLfloat vec0[3], vec1[3];
+
+  /* need 2 vectors to find cross product */
+  vec0[X] = v1[X] - v0[X];
+  vec0[Y] = v1[Y] - v0[Y];
+  vec0[Z] = v1[Z] - v0[Z];
+
+  vec1[X] = v2[X] - v0[X];
+  vec1[Y] = v2[Y] - v0[Y];
+  vec1[Z] = v2[Z] - v0[Z];
+
+  /* find cross product to get A, B, and C of plane equation */
+  plane[A] = vec0[Y] * vec1[Z] - vec0[Z] * vec1[Y];
+  plane[B] = -(vec0[X] * vec1[Z] - vec0[Z] * vec1[X]);
+  plane[C] = vec0[X] * vec1[Y] - vec0[Y] * vec1[X];
+
+  plane[D] = -(plane[A] * v0[X] + plane[B] * v0[Y] + plane[C] * v0[Z]);
+}
+
+/******************** end shadow code ********************/
+
+
+static void calcposobs(void)
+{
+  dir[0]=sin(alpha*M_PI/180.0);
+  dir[1]=cos(alpha*M_PI/180.0)*sin(beta*M_PI/180.0);
+  dir[2]=cos(beta*M_PI/180.0);
+
+  obs[0]+=v*dir[0];
+  obs[1]+=v*dir[1];
+  obs[2]+=v*dir[2];
+}
+
+static void special(int k, int x, int y)
+{
+  switch(k) {
+  case GLUT_KEY_LEFT:
+    alpha-=2.0;
+    break;
+  case GLUT_KEY_RIGHT:
+    alpha+=2.0;
+    break;
+  case GLUT_KEY_DOWN:
+    beta-=2.0;
+    break;
+  case GLUT_KEY_UP:
+    beta+=2.0;
+    break;
+  }
+}
+
+static void key(unsigned char k, int x, int y)
+{
+  switch(k) {
+  case 27:
+    exit(0);
+    break;
+    
+  case 'a':
+    v+=0.005;
+    break;
+  case 'z':
+    v-=0.005;
+    break;
+
+  case 'j':
+    joyactive=(!joyactive);
+    break;
+  case 'h':
+    help=(!help);
+    break;
+  case 'f':
+    fog=(!fog);
+    break;
+  case 't':
+    usetex=(!usetex);
+    break;
+  case 'b':
+    if(bfcull) {
+      glDisable(GL_CULL_FACE);
+      bfcull=0;
+    } else {
+      glEnable(GL_CULL_FACE);
+      bfcull=1;
+    }
+    break;
+#ifdef XMESA
+  case ' ':
+    XMesaSetFXmode(fullscreen ? XMESA_FX_FULLSCREEN : XMESA_FX_WINDOW);
+    fullscreen=(!fullscreen);
+    break;
+#endif
+  }
+}
+
+static void reshape(int w, int h) 
+{
+  WIDTH=w;
+  HEIGHT=h;
+  glMatrixMode(GL_PROJECTION);
+  glLoadIdentity();
+  gluPerspective(45.0,w/(float)h,0.2,40.0);
+  glMatrixMode(GL_MODELVIEW);
+  glLoadIdentity();
+  glViewport(0,0,w,h);
+}
+
+static void printstring(void *font, char *string)
+{
+  int len,i;
+
+  len=(int)strlen(string);
+  for(i=0;i<len;i++)
+    glutBitmapCharacter(font,string[i]);
+}
+
+static void printhelp(void)
+{
+  glEnable(GL_BLEND);
+  glColor4f(0.5,0.5,0.5,0.5);
+  glRecti(40,40,600,440);
+  glDisable(GL_BLEND);
+
+  glColor3f(1.0,0.0,0.0);
+  glRasterPos2i(300,420);
+  printstring(GLUT_BITMAP_TIMES_ROMAN_24,"Help");
+
+  glRasterPos2i(60,390);
+  printstring(GLUT_BITMAP_TIMES_ROMAN_24,"h - Toggle Help");
+  glRasterPos2i(60,360);
+  printstring(GLUT_BITMAP_TIMES_ROMAN_24,"t - Toggle Textures");
+  glRasterPos2i(60,330);
+  printstring(GLUT_BITMAP_TIMES_ROMAN_24,"f - Toggle Fog");
+  glRasterPos2i(60,300);
+  printstring(GLUT_BITMAP_TIMES_ROMAN_24,"b - Toggle Back face culling");
+  glRasterPos2i(60,270);
+  printstring(GLUT_BITMAP_TIMES_ROMAN_24,"Arrow Keys - Rotate");
+  glRasterPos2i(60,240);
+  printstring(GLUT_BITMAP_TIMES_ROMAN_24,"a - Increase velocity");
+  glRasterPos2i(60,210);
+  printstring(GLUT_BITMAP_TIMES_ROMAN_24,"z - Decrease velocity");
+
+  glRasterPos2i(60,180);
+  if(joyavailable)
+    printstring(GLUT_BITMAP_TIMES_ROMAN_24,"j - Toggle jostick control (Joystick control available)");
+  else
+    printstring(GLUT_BITMAP_TIMES_ROMAN_24,"(No Joystick control available)");
+}
+
+static void drawbase(void)
+{
+  static const GLfloat amb[4] = { 1, .5, 0.2, 1 };
+  static const GLfloat diff[4] = { 1, .4, 0.2, 1 };
+  int i,j;
+  float x,y,dx,dy;
+
+  glBindTexture(GL_TEXTURE_2D,t1id);
+
+  glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, amb);
+  glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, diff);
+  dx=BASESIZE/BASERES;
+  dy=-BASESIZE/BASERES;
+  for(y=BASESIZE/2.0,j=0;j<BASERES;y+=dy,j++) {
+    glBegin(GL_QUAD_STRIP);
+    glColor3f(1.0,1.0,1.0);
+    glNormal3f(0.0,0.0,1.0);
+    for(x=-BASESIZE/2.0,i=0;i<BASERES;x+=dx,i++) {
+      glTexCoord2f(x,y);
+      glVertex3f(x,y,0.0);
+
+      glTexCoord2f(x,y+dy);
+      glVertex3f(x,y+dy,0.0);
+    }
+    glEnd();
+  }
+}
+
+static void drawteapot(void)
+{
+  static const GLfloat amb[4] = {  0.2, 0.2, 0.2, 1 };
+  static const GLfloat diff[4] = { 0.8, 0.3, 0.5, 1 };
+  static float xrot=0.0;
+  static float zrot=0.0;
+
+  glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, amb);
+  glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, diff);
+
+  glPushMatrix();
+  glRotatef(lightalpha,0.0,0.0,1.0);
+  glMultMatrixf((GLfloat *)baseshadow);
+  glRotatef(-lightalpha,0.0,0.0,1.0);
+
+  glTranslatef(0.0,0.0,1.0);
+  glRotatef(xrot,1.0,0.0,0.0);
+  glRotatef(zrot,0.0,0.0,1.0);
+
+  glDisable(GL_TEXTURE_2D);
+  glDisable(GL_DEPTH_TEST);
+  glDisable(GL_LIGHTING);
+
+  glColor3f(0.0,0.0,0.0);
+  glCallList(teapotdlist);
+
+  glEnable(GL_DEPTH_TEST);
+  glEnable(GL_LIGHTING);
+  if(usetex)
+    glEnable(GL_TEXTURE_2D);
+
+  glPopMatrix();
+
+  glPushMatrix();
+  glTranslatef(0.0,0.0,1.0);
+  glRotatef(xrot,1.0,0.0,0.0);
+  glRotatef(zrot,0.0,0.0,1.0);
+
+  glCallList(teapotdlist);
+  glPopMatrix();
+
+  xrot+=2.0;
+  zrot+=1.0;
+}
+
+static void drawlight1(void)
+{
+  glPushMatrix();
+  glRotatef(lightalpha,0.0,0.0,1.0);
+  glLightfv(GL_LIGHT0,GL_POSITION,lightpos);
+  glLightfv(GL_LIGHT0,GL_SPOT_DIRECTION,lightdir);
+
+  glPopMatrix();
+}
+
+static void drawlight2(void)
+{
+  glPushMatrix();
+  glRotatef(lightalpha,0.0,0.0,1.0);
+  glTranslatef(lightpos[0],lightpos[1],lightpos[2]);
+
+  glDisable(GL_TEXTURE_2D);
+  glCallList(lightdlist);
+  if(usetex)
+    glEnable(GL_TEXTURE_2D);
+  
+  glPopMatrix();
+
+  lightalpha+=1.0;
+}
+
+static void dojoy(void)
+{
+#ifdef WIN32
+  static UINT max[2]={0,0};
+  static UINT min[2]={0xffffffff,0xffffffff},center[2];
+  MMRESULT res;
+  JOYINFO joy;
+
+  res=joyGetPos(JOYSTICKID1,&joy);
+
+  if(res==JOYERR_NOERROR) {
+    joyavailable=1;
+
+    if(max[0]<joy.wXpos)
+      max[0]=joy.wXpos;
+    if(min[0]>joy.wXpos)
+      min[0]=joy.wXpos;
+    center[0]=(max[0]+min[0])/2;
+
+    if(max[1]<joy.wYpos)
+      max[1]=joy.wYpos;
+    if(min[1]>joy.wYpos)
+      min[1]=joy.wYpos;
+    center[1]=(max[1]+min[1])/2;
+
+    if(joyactive) {
+      if(fabs(center[0]-(float)joy.wXpos)>0.1*(max[0]-min[0]))
+	alpha-=2.5*(center[0]-(float)joy.wXpos)/(max[0]-min[0]);
+      if(fabs(center[1]-(float)joy.wYpos)>0.1*(max[1]-min[1]))
+	beta+=2.5*(center[1]-(float)joy.wYpos)/(max[1]-min[1]);
+
+      if(joy.wButtons & JOY_BUTTON1)
+	v+=0.005;
+      if(joy.wButtons & JOY_BUTTON2)
+	v-=0.005;
+    }
+  } else
+    joyavailable=0;
+#endif
+}
+
+static void draw(void)
+{
+  static char frbuf[80] = "";
+
+  dojoy();
+
+  glEnable(GL_DEPTH_TEST);
+  glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
+
+  if(usetex)
+    glEnable(GL_TEXTURE_2D);
+  else
+    glDisable(GL_TEXTURE_2D);
+
+  if(fog)
+    glEnable(GL_FOG);
+  else
+    glDisable(GL_FOG);
+
+  glEnable(GL_LIGHTING);
+
+  glShadeModel(GL_SMOOTH);
+
+  glPushMatrix();
+  calcposobs();
+
+  gluLookAt(obs[0],obs[1],obs[2],
+	    obs[0]+dir[0],obs[1]+dir[1],obs[2]+dir[2],
+	    0.0,0.0,1.0);
+
+  drawlight1();
+  glCallList(basedlist);
+  drawteapot();
+  drawlight2();
+  glPopMatrix();
+  
+  glDisable(GL_LIGHTING);
+  glDisable(GL_TEXTURE_2D);
+  glDisable(GL_DEPTH_TEST);
+  glDisable(GL_FOG);
+  glShadeModel(GL_FLAT);
+
+  glMatrixMode(GL_PROJECTION);
+  glLoadIdentity();
+  glOrtho(-0.5,639.5,-0.5,479.5,-1.0,1.0);
+  glMatrixMode(GL_MODELVIEW);
+  glLoadIdentity();
+
+  glColor3f(1.0,0.0,0.0);
+  glRasterPos2i(10,10);
+  printstring(GLUT_BITMAP_HELVETICA_18,frbuf);
+  glRasterPos2i(350,470);
+  printstring(GLUT_BITMAP_HELVETICA_10,"Teapot V1.2 Written by David Bucciarelli (tech.hmw@plus.it)");
+
+  if(help)
+    printhelp();
+
+  reshape(WIDTH,HEIGHT);
+
+  glutSwapBuffers();
+
+   Frames++;
+
+   {
+      GLint t = glutGet(GLUT_ELAPSED_TIME);
+      if (t - T0 >= 2000) {
+         GLfloat seconds = (t - T0) / 1000.0;
+         GLfloat fps = Frames / seconds;
+         sprintf(frbuf, "Frame rate: %f", fps);
+         T0 = t;
+         Frames = 0;
+      }
+   }
+}
+
+static void inittextures(void)
+{
+  glGenTextures(1,&t1id);
+  glBindTexture(GL_TEXTURE_2D,t1id);
+
+  glPixelStorei(GL_UNPACK_ALIGNMENT,4);
+  if (!LoadRGBMipmaps("../images/tile.rgb", GL_RGB)) {
+    fprintf(stderr,"Error reading a texture.\n");
+    exit(-1);
+  }
+
+  glTexParameterf(GL_TEXTURE_2D,GL_TEXTURE_WRAP_S,GL_REPEAT);
+  glTexParameterf(GL_TEXTURE_2D,GL_TEXTURE_WRAP_T,GL_REPEAT);
+  
+  glTexParameterf(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR_MIPMAP_LINEAR);
+  glTexParameterf(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR);
+
+  glTexEnvf(GL_TEXTURE_ENV,GL_TEXTURE_ENV_MODE,GL_MODULATE);
+
+  glGenTextures(1,&t2id);
+  glBindTexture(GL_TEXTURE_2D,t2id);
+
+  glPixelTransferf(GL_RED_SCALE, 0.75);
+  glPixelTransferf(GL_RED_BIAS, 0.25);
+  glPixelTransferf(GL_GREEN_SCALE, 0.75);
+  glPixelTransferf(GL_GREEN_BIAS, 0.25);
+  glPixelTransferf(GL_BLUE_SCALE, 0.75);
+  glPixelTransferf(GL_BLUE_BIAS, 0.25);
+
+  if (!LoadRGBMipmaps("../images/bw.rgb", GL_RGB)) {
+    fprintf(stderr,"Error reading a texture.\n");
+    exit(-1);
+  }
+
+  glPixelTransferf(GL_RED_SCALE, 1.0);
+  glPixelTransferf(GL_RED_BIAS, 0.0);
+  glPixelTransferf(GL_GREEN_SCALE, 1.0);
+  glPixelTransferf(GL_GREEN_BIAS, 0.0);
+  glPixelTransferf(GL_BLUE_SCALE, 1.0);
+  glPixelTransferf(GL_BLUE_BIAS, 0.0);
+
+
+  glTexParameterf(GL_TEXTURE_2D,GL_TEXTURE_WRAP_S,GL_REPEAT);
+  glTexParameterf(GL_TEXTURE_2D,GL_TEXTURE_WRAP_T,GL_REPEAT);
+  
+  glTexParameterf(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR_MIPMAP_LINEAR);
+  glTexParameterf(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR);
+
+  glTexEnvf(GL_TEXTURE_ENV,GL_TEXTURE_ENV_MODE,GL_MODULATE);
+}
+
+static void initlight(void)
+{
+  float matamb[4] ={0.5, 0.5, 0.5, 1.0};
+  float matdiff[4]={0.9, 0.2, 0.2, 1.0};
+  float matspec[4]={1.0,1.0,1.0,1.0};
+
+  float lamb[4] ={1.5, 1.5, 1.5, 1.0};
+  float ldiff[4]={1.0, 1.0, 1.0, 1.0};
+  float lspec[4]={1.0, 1.0, 1.0, 1.0};
+
+  glLightf(GL_LIGHT0,GL_SPOT_CUTOFF,70.0);
+  glLightf(GL_LIGHT0,GL_SPOT_EXPONENT,20.0);
+  glLightfv(GL_LIGHT0,GL_AMBIENT,lamb);
+  glLightfv(GL_LIGHT0,GL_DIFFUSE,ldiff);
+  glLightfv(GL_LIGHT0,GL_SPECULAR,lspec);
+
+  glMaterialf(GL_FRONT_AND_BACK, GL_SHININESS, 15.0);
+  glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, matdiff);
+  glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, matspec);
+  glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, matamb);
+
+  glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lamb);
+  glEnable(GL_LIGHT0);
+}
+
+static void initdlists(void)
+{
+  GLUquadricObj *lcone,*lbase;
+  GLfloat plane[4];
+  GLfloat v0[3]={0.0,0.0,0.0};
+  GLfloat v1[3]={1.0,0.0,0.0};
+  GLfloat v2[3]={0.0,1.0,0.0};
+
+  findplane(plane,v0,v1,v2);
+  shadowmatrix(baseshadow,plane,lightpos);
+
+  teapotdlist=glGenLists(1);
+  glNewList(teapotdlist,GL_COMPILE);
+  glRotatef(90.0,1.0,0.0,0.0);
+  glCullFace(GL_FRONT);
+  glBindTexture(GL_TEXTURE_2D,t2id);
+  glutSolidTeapot(0.75);
+  glCullFace(GL_BACK);
+  glEndList();
+
+  basedlist=glGenLists(1);
+  glNewList(basedlist,GL_COMPILE);
+  drawbase();
+  glEndList();
+
+  lightdlist=glGenLists(1);
+  glNewList(lightdlist,GL_COMPILE);
+  glDisable(GL_LIGHTING);
+ 
+  lcone=gluNewQuadric();
+  lbase=gluNewQuadric();
+  glRotatef(45.0,0.0,1.0,0.0);
+
+  glColor3f(1.0,1.0,1.0);
+  glCullFace(GL_FRONT);
+  gluDisk(lbase,0.0,0.2,12.0,1.0);
+  glCullFace(GL_BACK);
+
+  glColor3f(0.5,0.0,0.0);
+  gluCylinder(lcone,0.2,0.0,0.5,12,1);
+
+  gluDeleteQuadric(lcone);
+  gluDeleteQuadric(lbase);
+
+  glEnable(GL_LIGHTING);
+  glEndList();
+}
+
+int main(int ac, char **av)
+{
+  float fogcolor[4]={0.025,0.025,0.025,1.0};
+
+  fprintf(stderr,"Teapot V1.2\nWritten by David Bucciarelli (tech.hmw@plus.it)\n");
+
+  /*
+    if(!SetPriorityClass(GetCurrentProcess(),REALTIME_PRIORITY_CLASS)) {
+    fprintf(stderr,"Error setting the process class.\n");
+    return 0;
+    }
+
+    if(!SetThreadPriority(GetCurrentThread(),THREAD_PRIORITY_TIME_CRITICAL)) {
+    fprintf(stderr,"Error setting the process priority.\n");
+    return 0;
+    }
+    */
+
+  glutInitWindowPosition(0,0);
+  glutInitWindowSize(WIDTH,HEIGHT);
+  glutInit(&ac,av);
+
+  glutInitDisplayMode(GLUT_RGB|GLUT_DEPTH|GLUT_DOUBLE);
+
+  if(!(win=glutCreateWindow("Teapot"))) {
+    fprintf(stderr,"Error, couldn't open window\n");
+	return -1;
+  }
+
+  reshape(WIDTH,HEIGHT);
+
+  glShadeModel(GL_SMOOTH);
+  glEnable(GL_DEPTH_TEST);
+  glEnable(GL_CULL_FACE);
+  glEnable(GL_TEXTURE_2D);
+
+  glEnable(GL_FOG);
+  glFogi(GL_FOG_MODE,GL_EXP2);
+  glFogfv(GL_FOG_COLOR,fogcolor);
+
+  glFogf(GL_FOG_DENSITY,0.04);
+  glHint(GL_FOG_HINT,GL_NICEST);
+  glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
+
+  calcposobs();
+
+  inittextures();
+  initlight();
+
+  initdlists();
+
+  glClearColor(fogcolor[0],fogcolor[1],fogcolor[2],fogcolor[3]);
+
+  glutReshapeFunc(reshape);
+  glutDisplayFunc(draw);
+  glutKeyboardFunc(key);
+  glutSpecialFunc(special);
+  glutIdleFunc(draw);
+
+  glutMainLoop();
+
+  return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/terrain.c b/nx-X11/extras/Mesa_6.4.2/progs/demos/terrain.c
new file mode 100644
index 000000000..be78ea495
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/terrain.c
@@ -0,0 +1,656 @@
+/*
+ * This program is under the GNU GPL.
+ * Use at your own risk.
+ *
+ * written by David Bucciarelli (tech.hmw@plus.it)
+ *            Humanware s.r.l.
+ *
+ * based on a Mikael SkiZoWalker's (MoDEL) / France (Skizo@Hol.Fr) demo
+ */
+
+#include <stdio.h>
+#include <math.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+
+#ifdef WIN32
+#include <windows.h>
+#endif
+
+#include <GL/glut.h>
+
+#ifdef XMESA
+#include "GL/xmesa.h"
+static int fullscreen = 1;
+#endif
+
+#ifndef M_PI
+#define M_PI 3.14159265
+#endif
+
+#define heightMnt	450
+#define	lenghtXmnt	62
+#define lenghtYmnt	62
+
+#define stepXmnt     96.0
+#define stepYmnt     96.0
+
+#define WIDTH 640
+#define HEIGHT 480
+
+static GLint T0 = 0;
+static GLint Frames = 0;
+
+#define TSCALE 4
+
+#define FOV 85
+
+static GLfloat terrain[256 * 256];
+static GLfloat terraincolor[256 * 256][3];
+
+static int win = 0;
+
+static int fog = 1;
+static int bfcull = 1;
+static int usetex = 1;
+static int poutline = 0;
+static int help = 1;
+static int joyavailable = 0;
+static int joyactive = 0;
+static float ModZMnt;
+static long GlobalMnt = 0;
+
+static int scrwidth = WIDTH;
+static int scrheight = HEIGHT;
+
+#define OBSSTARTX 992.0
+#define OBSSTARTY 103.0
+
+static float obs[3] = { OBSSTARTX, heightMnt * 1.3, OBSSTARTY };
+static float dir[3], v1[2], v2[2];
+static float v = 900.0;
+static float alpha = 75.0;
+static float beta = 90.0;
+
+static void
+calcposobs(void)
+{
+   float alpha1, alpha2;
+   static double t0 = -1.;
+   double dt, t = glutGet(GLUT_ELAPSED_TIME) / 1000.0;
+   if (t0 < 0.0)
+      t0 = t;
+   dt = t - t0;
+   t0 = t;
+
+   dir[0] = sin(alpha * M_PI / 180.0);
+   dir[2] = cos(alpha * M_PI / 180.0) * sin(beta * M_PI / 180.0);
+   dir[1] = cos(beta * M_PI / 180.0);
+
+   if (dir[0] < 1.0e-5 && dir[0] > -1.0e-5)
+      dir[0] = 0;
+   if (dir[1] < 1.0e-5 && dir[1] > -1.0e-5)
+      dir[1] = 0;
+   if (dir[2] < 1.0e-5 && dir[2] > -1.0e-5)
+      dir[2] = 0;
+
+   alpha1 = alpha + FOV / 2.0;
+   v1[0] = sin(alpha1 * M_PI / 180.0);
+   v1[1] = cos(alpha1 * M_PI / 180.0);
+
+   alpha2 = alpha - FOV / 2.0;
+   v2[0] = sin(alpha2 * M_PI / 180.0);
+   v2[1] = cos(alpha2 * M_PI / 180.0);
+
+   obs[0] += v * dir[0] * dt;
+   obs[1] += v * dir[1] * dt;
+   obs[2] += v * dir[2] * dt;
+
+   if (obs[1] < 0.0)
+      obs[1] = 0.0;
+}
+
+static void
+reshape(int width, int height)
+{
+   scrwidth = width;
+   scrheight = height;
+   glViewport(0, 0, (GLint) width, (GLint) height);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   gluPerspective(50.0, ((GLfloat) width / (GLfloat) height),
+		  lenghtXmnt * stepYmnt * 0.01, lenghtXmnt * stepYmnt * 0.7);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+}
+
+static int
+clipstrip(float y, float *start, float *end)
+{
+   float x1, x2, t1, t2, tmp;
+
+   if (v1[1] == 0.0) {
+      t1 = 0.0;
+      x1 = -HUGE_VAL;
+   }
+   else {
+      t1 = y / v1[1];
+      x1 = t1 * v1[0];
+   }
+
+   if (v2[1] == 0.0) {
+      t2 = 0.0;
+      x2 = HUGE_VAL;
+   }
+   else {
+      t2 = y / v2[1];
+      x2 = t2 * v2[0];
+   }
+
+   if (((x1 < -(lenghtXmnt * stepXmnt) / 2) && (t2 <= 0.0)) ||
+       ((t1 <= 0.0) && (x2 > (lenghtXmnt * stepXmnt) / 2)) ||
+       ((t1 < 0.0) && (t2 < 0.0)))
+      return 0;
+
+   if ((t1 == 0.0) && (t2 == 0.0)) {
+      if ((v1[0] < 0.0) && (v1[1] > 0.0) && (v2[0] < 0.0) && (v2[1] < 0.0)) {
+	 *start = -(lenghtXmnt * stepXmnt) / 2;
+	 *end = stepXmnt;
+	 return 1;
+      }
+      else {
+	 if ((v1[0] > 0.0) && (v1[1] < 0.0) && (v2[0] > 0.0) && (v2[1] > 0.0)) {
+	    *start = -stepXmnt;
+	    *end = (lenghtXmnt * stepXmnt) / 2;
+	    return 1;
+	 }
+	 else
+	    return 0;
+      }
+   }
+   else {
+      if (t2 < 0.0) {
+	 if (x1 < 0.0)
+	    x2 = -(lenghtXmnt * stepXmnt) / 2;
+	 else
+	    x2 = (lenghtXmnt * stepXmnt) / 2;
+      }
+
+      if (t1 < 0.0) {
+	 if (x2 < 0.0)
+	    x1 = -(lenghtXmnt * stepXmnt) / 2;
+	 else
+	    x1 = (lenghtXmnt * stepXmnt) / 2;
+      }
+   }
+
+   if (x1 > x2) {
+      tmp = x1;
+      x1 = x2;
+      x2 = tmp;
+   }
+
+   x1 -= stepXmnt;
+   if (x1 < -(lenghtXmnt * stepXmnt) / 2)
+      x1 = -(lenghtXmnt * stepXmnt) / 2;
+
+   x2 += stepXmnt;
+   if (x2 > (lenghtXmnt * stepXmnt) / 2)
+      x2 = (lenghtXmnt * stepXmnt) / 2;
+
+   *start = ((int) (x1 / stepXmnt)) * stepXmnt;
+   *end = ((int) (x2 / stepXmnt)) * stepXmnt;
+
+   return 1;
+}
+
+static void
+printstring(void *font, char *string)
+{
+   int len, i;
+
+   len = (int) strlen(string);
+   for (i = 0; i < len; i++)
+      glutBitmapCharacter(font, string[i]);
+}
+
+static void
+printhelp(void)
+{
+   glEnable(GL_BLEND);
+   glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+   glColor4f(0.0, 0.0, 0.0, 0.5);
+   glRecti(40, 40, 600, 440);
+   glDisable(GL_BLEND);
+
+   glColor3f(1.0, 0.0, 0.0);
+   glRasterPos2i(300, 420);
+   printstring(GLUT_BITMAP_TIMES_ROMAN_24, "Help");
+
+   glRasterPos2i(60, 390);
+   printstring(GLUT_BITMAP_TIMES_ROMAN_24, "h - Toggle Help");
+   glRasterPos2i(60, 360);
+   printstring(GLUT_BITMAP_TIMES_ROMAN_24, "t - Toggle Textures");
+   glRasterPos2i(60, 330);
+   printstring(GLUT_BITMAP_TIMES_ROMAN_24, "f - Toggle Fog");
+   glRasterPos2i(60, 300);
+   printstring(GLUT_BITMAP_TIMES_ROMAN_24, "p - Wire frame");
+   glRasterPos2i(60, 270);
+   printstring(GLUT_BITMAP_TIMES_ROMAN_24, "b - Toggle Back face culling");
+   glRasterPos2i(60, 240);
+   printstring(GLUT_BITMAP_TIMES_ROMAN_24, "Arrow Keys - Rotate");
+   glRasterPos2i(60, 210);
+   printstring(GLUT_BITMAP_TIMES_ROMAN_24, "a - Increase velocity");
+   glRasterPos2i(60, 180);
+   printstring(GLUT_BITMAP_TIMES_ROMAN_24, "z - Decrease velocity");
+
+   glRasterPos2i(60, 150);
+   if (joyavailable)
+      printstring(GLUT_BITMAP_TIMES_ROMAN_24,
+		  "j - Toggle jostick control (Joystick control available)");
+   else
+      printstring(GLUT_BITMAP_TIMES_ROMAN_24,
+		  "(No Joystick control available)");
+}
+
+static void
+drawterrain(void)
+{
+   int h, i, idx, ox, oy;
+   float j, k, start, end;
+
+   ox = (int) (obs[0] / stepXmnt);
+   oy = (int) (obs[2] / stepYmnt);
+   GlobalMnt = ((ox * TSCALE) & 255) + ((oy * TSCALE) & 255) * 256;
+
+   glPushMatrix();
+   glTranslatef((float) ox * stepXmnt, 0, (float) oy * stepYmnt);
+
+   for (h = 0, k = -(lenghtYmnt * stepYmnt) / 2; h < lenghtYmnt;
+	k += stepYmnt, h++) {
+      if (!clipstrip(k, &start, &end))
+	 continue;
+
+      glBegin(GL_TRIANGLE_STRIP);	/* I hope that the optimizer will be able to improve this code */
+      for (i = (int) (lenghtXmnt / 2 + start / stepXmnt), j = start; j <= end;
+	   j += stepXmnt, i++) {
+	 idx = (i * TSCALE + h * 256 * TSCALE + GlobalMnt) & 65535;
+	 glColor3fv(terraincolor[idx]);
+	 glTexCoord2f((ox + i) / 8.0, (oy + h) / 8.0);
+	 glVertex3f(j, terrain[idx], k);
+
+	 idx =
+	    (i * TSCALE + h * 256 * TSCALE + 256 * TSCALE +
+	     GlobalMnt) & 65535;
+	 glColor3fv(terraincolor[idx]);
+	 glTexCoord2f((ox + i) / 8.0, (oy + h + 1) / 8.0);
+	 glVertex3f(j, terrain[idx], k + stepYmnt);
+      }
+      glEnd();
+   }
+
+   glDisable(GL_CULL_FACE);
+   glDisable(GL_TEXTURE_2D);
+   glEnable(GL_BLEND);
+   glBegin(GL_QUADS);
+   glColor4f(0.1, 0.7, 1.0, 0.4);
+   glVertex3f(-(lenghtXmnt * stepXmnt) / 2.0, heightMnt * 0.6,
+	      -(lenghtYmnt * stepYmnt) / 2.0);
+   glVertex3f(-(lenghtXmnt * stepXmnt) / 2.0, heightMnt * 0.6,
+	      (lenghtYmnt * stepYmnt) / 2.0);
+   glVertex3f((lenghtXmnt * stepXmnt) / 2.0, heightMnt * 0.6,
+	      (lenghtYmnt * stepYmnt) / 2.0);
+   glVertex3f((lenghtXmnt * stepXmnt) / 2.0, heightMnt * 0.6,
+	      -(lenghtYmnt * stepYmnt) / 2.0);
+   glEnd();
+   glDisable(GL_BLEND);
+   if (bfcull)
+      glEnable(GL_CULL_FACE);
+   glEnable(GL_TEXTURE_2D);
+
+   glPopMatrix();
+
+}
+
+static void
+dojoy(void)
+{
+#ifdef WIN32
+   static UINT max[2] = { 0, 0 };
+   static UINT min[2] = { 0xffffffff, 0xffffffff }, center[2];
+   MMRESULT res;
+   JOYINFO joy;
+
+   res = joyGetPos(JOYSTICKID1, &joy);
+
+   if (res == JOYERR_NOERROR) {
+      joyavailable = 1;
+
+      if (max[0] < joy.wXpos)
+	 max[0] = joy.wXpos;
+      if (min[0] > joy.wXpos)
+	 min[0] = joy.wXpos;
+      center[0] = (max[0] + min[0]) / 2;
+
+      if (max[1] < joy.wYpos)
+	 max[1] = joy.wYpos;
+      if (min[1] > joy.wYpos)
+	 min[1] = joy.wYpos;
+      center[1] = (max[1] + min[1]) / 2;
+
+      if (joyactive) {
+	 if (fabs(center[0] - (float) joy.wXpos) > 0.1 * (max[0] - min[0]))
+	    alpha +=
+	       2.5 * (center[0] - (float) joy.wXpos) / (max[0] - min[0]);
+	 if (fabs(center[1] - (float) joy.wYpos) > 0.1 * (max[1] - min[1]))
+	    beta += 2.5 * (center[1] - (float) joy.wYpos) / (max[1] - min[1]);
+
+	 if (joy.wButtons & JOY_BUTTON1)
+	    v += 0.5;
+	 if (joy.wButtons & JOY_BUTTON2)
+	    v -= 0.5;
+      }
+   }
+   else
+      joyavailable = 0;
+#endif
+}
+
+static void
+drawscene(void)
+{
+   static char frbuf[80] = "";
+
+   dojoy();
+
+   glShadeModel(GL_SMOOTH);
+   glEnable(GL_DEPTH_TEST);
+
+   if (usetex)
+      glEnable(GL_TEXTURE_2D);
+   else
+      glDisable(GL_TEXTURE_2D);
+
+   if (fog)
+      glEnable(GL_FOG);
+   else
+      glDisable(GL_FOG);
+
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+   glPushMatrix();
+
+   calcposobs();
+   gluLookAt(obs[0], obs[1], obs[2],
+	     obs[0] + dir[0], obs[1] + dir[1], obs[2] + dir[2],
+	     0.0, 1.0, 0.0);
+
+   drawterrain();
+   glPopMatrix();
+
+   glDisable(GL_TEXTURE_2D);
+   glDisable(GL_DEPTH_TEST);
+   glDisable(GL_FOG);
+   glShadeModel(GL_FLAT);
+
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glOrtho(-0.5, 639.5, -0.5, 479.5, -1.0, 1.0);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+
+   glColor3f(1.0, 0.0, 0.0);
+   glRasterPos2i(10, 10);
+   printstring(GLUT_BITMAP_HELVETICA_18, frbuf);
+   glRasterPos2i(350, 470);
+   printstring(GLUT_BITMAP_HELVETICA_10,
+	       "Terrain V1.2 Written by David Bucciarelli (tech.hmw@plus.it)");
+   glRasterPos2i(434, 457);
+   printstring(GLUT_BITMAP_HELVETICA_10,
+	       "Based on a Mickael's demo (Skizo@Hol.Fr)");
+
+   if (help)
+      printhelp();
+
+   reshape(scrwidth, scrheight);
+
+   glutSwapBuffers();
+
+   Frames++;
+   {
+      GLint t = glutGet(GLUT_ELAPSED_TIME);
+      if (t - T0 >= 2000) {
+         GLfloat seconds = (t - T0) / 1000.0;
+         GLfloat fps = Frames / seconds;
+         sprintf(frbuf, "Frame rate: %f", fps);
+         T0 = t;
+         Frames = 0;
+      }
+   }
+}
+
+static void
+key(unsigned char k, int x, int y)
+{
+   switch (k) {
+   case 27:
+      exit(0);
+      break;
+   case 'a':
+      v += 50.;
+      break;
+   case 'z':
+      v -= 50.;
+      break;
+   case 'p':
+      if (poutline) {
+	 glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
+	 poutline = 0;
+      }
+      else {
+	 glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
+	 poutline = 1;
+      }
+      break;
+   case 'j':
+      joyactive = (!joyactive);
+      break;
+   case 'h':
+      help = (!help);
+      break;
+   case 'f':
+      fog = (!fog);
+      break;
+   case 't':
+      usetex = (!usetex);
+      break;
+   case 'b':
+      if (bfcull) {
+	 glDisable(GL_CULL_FACE);
+	 bfcull = 0;
+      }
+      else {
+	 glEnable(GL_CULL_FACE);
+	 bfcull = 1;
+      }
+      break;
+#ifdef XMESA
+   case ' ':
+      XMesaSetFXmode(fullscreen ? XMESA_FX_FULLSCREEN : XMESA_FX_WINDOW);
+      fullscreen = (!fullscreen);
+      break;
+#endif
+   }
+}
+
+static void
+special(int k, int x, int y)
+{
+   switch (k) {
+   case GLUT_KEY_LEFT:
+      alpha += 2.0;
+      break;
+   case GLUT_KEY_RIGHT:
+      alpha -= 2.0;
+      break;
+   case GLUT_KEY_DOWN:
+      beta -= 2.0;
+      break;
+   case GLUT_KEY_UP:
+      beta += 2.0;
+      break;
+   }
+}
+
+static void
+calccolor(GLfloat height, GLfloat c[3])
+{
+   GLfloat color[4][3] = {
+      {1.0, 1.0, 1.0},
+      {0.0, 0.8, 0.0},
+      {1.0, 1.0, 0.3},
+      {0.0, 0.0, 0.8}
+   };
+   GLfloat fact;
+
+   height = height * (1.0 / 255.0);
+
+   if (height >= 0.9) {
+      c[0] = color[0][0];
+      c[1] = color[0][1];
+      c[2] = color[0][2];
+      return;
+   }
+
+   if ((height < 0.9) && (height >= 0.7)) {
+      fact = (height - 0.7) * 5.0;
+      c[0] = fact * color[0][0] + (1.0 - fact) * color[1][0];
+      c[1] = fact * color[0][1] + (1.0 - fact) * color[1][1];
+      c[2] = fact * color[0][2] + (1.0 - fact) * color[1][2];
+      return;
+   }
+
+   if ((height < 0.7) && (height >= 0.6)) {
+      fact = (height - 0.6) * 10.0;
+      c[0] = fact * color[1][0] + (1.0 - fact) * color[2][0];
+      c[1] = fact * color[1][1] + (1.0 - fact) * color[2][1];
+      c[2] = fact * color[1][2] + (1.0 - fact) * color[2][2];
+      return;
+   }
+
+   if ((height < 0.6) && (height >= 0.5)) {
+      fact = (height - 0.5) * 10.0;
+      c[0] = fact * color[2][0] + (1.0 - fact) * color[3][0];
+      c[1] = fact * color[2][1] + (1.0 - fact) * color[3][1];
+      c[2] = fact * color[2][2] + (1.0 - fact) * color[3][2];
+      return;
+   }
+
+   c[0] = color[3][0];
+   c[1] = color[3][1];
+   c[2] = color[3][2];
+}
+
+static void
+loadpic(void)
+{
+   GLubyte bufferter[256 * 256], terrainpic[256 * 256];
+   FILE *FilePic;
+   int i, tmp;
+   GLenum gluerr;
+
+   if ((FilePic = fopen("terrain.dat", "r")) == NULL) {
+      fprintf(stderr, "Error loading terrain.dat\n");
+      exit(-1);
+   }
+   fread(bufferter, 256 * 256, 1, FilePic);
+   fclose(FilePic);
+
+   for (i = 0; i < (256 * 256); i++) {
+      terrain[i] = (bufferter[i] * (heightMnt / 255.0f));
+      calccolor((GLfloat) bufferter[i], terraincolor[i]);
+      tmp = (((int) bufferter[i]) + 96);
+      terrainpic[i] = (tmp > 255) ? 255 : tmp;
+   }
+
+   glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+   if ((gluerr = gluBuild2DMipmaps(GL_TEXTURE_2D, 1, 256, 256, GL_LUMINANCE,
+				   GL_UNSIGNED_BYTE,
+				   (GLvoid *) (&terrainpic[0])))) {
+      fprintf(stderr, "GLULib%s\n", (char *) gluErrorString(gluerr));
+      exit(-1);
+   }
+
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
+		   GL_LINEAR_MIPMAP_LINEAR);
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+
+   glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+   glEnable(GL_TEXTURE_2D);
+}
+
+static void
+init(void)
+{
+   float fogcolor[4] = { 0.6, 0.7, 0.7, 1.0 };
+
+   glClearColor(fogcolor[0], fogcolor[1], fogcolor[2], fogcolor[3]);
+   glClearDepth(1.0);
+   glDepthFunc(GL_LEQUAL);
+   glShadeModel(GL_SMOOTH);
+   glEnable(GL_DEPTH_TEST);
+   glEnable(GL_CULL_FACE);
+
+   glDisable(GL_BLEND);
+   glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+
+   glEnable(GL_FOG);
+   glFogi(GL_FOG_MODE, GL_EXP2);
+   glFogfv(GL_FOG_COLOR, fogcolor);
+   glFogf(GL_FOG_DENSITY, 0.0007);
+#ifdef FX
+   glHint(GL_FOG_HINT, GL_NICEST);
+#endif
+
+   reshape(scrwidth, scrheight);
+}
+
+
+int
+main(int ac, char **av)
+{
+   glutInitWindowPosition(0, 0);
+   glutInitWindowSize(WIDTH, HEIGHT);
+   glutInit(&ac, av);
+
+   glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE);
+
+   if (!(win = glutCreateWindow("Terrain"))) {
+      fprintf(stderr, "Error, couldn't open window\n");
+      return -1;
+   }
+
+   ModZMnt = 0.0f;
+   loadpic();
+
+   init();
+
+#ifndef FX
+   glDisable(GL_TEXTURE_2D);
+   usetex = 0;
+#endif
+
+   glutReshapeFunc(reshape);
+   glutDisplayFunc(drawscene);
+   glutKeyboardFunc(key);
+   glutSpecialFunc(special);
+   glutIdleFunc(drawscene);
+
+   glutMainLoop();
+
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/terrain.dat b/nx-X11/extras/Mesa_6.4.2/progs/demos/terrain.dat
new file mode 100644
index 000000000..2af385e9c
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/terrain.dat
@@ -0,0 +1 @@
+‚ƒƒ…†„ƒƒƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚„†‡‰‹��“•––•––––—˜š›œœš–“‘�Ž�Œ‹‹‹‹‹Œ‹‹���ŽŒŒŒ‹‰†……„ƒ‚ƒ‚‚ƒ…ˆŠ‹‹ˆ…ƒ‚ƒ„…†‡‡†…ƒƒ„„…‡ˆ‰ŠŽ�“““’’•˜š›™–•””•˜™—“�ŽŽŽŽ��‹‰†ƒ‚‚‚‚ƒ…‡…„ƒƒƒƒ‚ƒ‚‚‚ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚„…†‰Œ�Ž�“•––••–—˜˜˜™œ��™•“‘�Œ‰ˆˆˆˆˆˆˆ‡‡‰‹‹ŠŠŠ‰ˆ‡†††„ƒ„…ƒƒƒ„†ˆŠ‹ˆ…‚‚ƒ…†‡‡††††ˆ‰ˆˆˆˆˆŠ��ŽŽŽŽ‘”—›�š˜———˜š›—”‘������‹ˆ†ƒ‚‚‚‚‚„†„„ƒ‚ƒ„†‡…„„…ƒ‚ƒ„ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ…†ˆŒ��‘’”•––•••—˜™™›œœœ˜–•’Ž‰‡†…„„††…„„…††ˆˆ‡††……†…„„‡ˆ‡††…†ˆ‹Œ‰†ƒ‚ƒ†ˆ‰‰ˆˆˆŒ���ŒŠ‰ˆŠ‹Š‰ˆŠŒ�’–›�œ›š›››œœ˜•’‘’’’‘Ž‹ˆ…‚‚‚‚‚‚„…ƒ‚‚‚ƒ…ˆŠˆˆˆ‡…„…‡…‚‚‚‚‚‚‚ƒƒƒ„„ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ…‡‰Š�Ž‘”••–—•”‘‘“•™œœœ�œš˜•’�‰†„ƒ‚ƒƒƒƒ‚‚‚‚ƒ„ƒƒƒ„„„…†‡ˆŠŒ‹Šˆ††ˆŠŒ‹‰…ƒ„…ˆŒ‹‹ŒŽ�‘’“�Ž‹Š‰ˆ‡††ˆ‹�”˜›�ž�œ���œ›—•’‘�‘““�Œˆ„‚‚‚‚‚‚„…‚‚‚‚ƒ†ŠŒ‹‹Šˆ‡†ˆˆ…‚‚‚‚‚‚ƒ…†‡ˆ‡…ƒƒ‚‚ƒƒƒƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ…†‰‹�Ž‘•————–”’��‘“—›œœœœ›˜•‘Œ‡…ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ………‡‰Š�ŽŽŽŒŠ‰ˆ‰‹Ž�‰…„„†ŠŒŒ��’“”•–”��‹ˆ††……ˆŒ�”˜›žžž���œ›š—•’��‘“”�Œˆ„‚‚‚‚‚„……ƒ‚ƒƒ„†‰Œ��ŒŠˆ‰‰ˆ…ƒ‚‚‚‚‚„‡ˆˆˆ‡‡‡‡……†‡‡†…„ƒƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ‚‚‚‚‚ƒ‚‚ƒ†ˆŠŠ‹Ž’•——–••’�ŽŽ�‘”—˜š›š˜–“‘�Š†ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ…†‡ˆ‰ŠŒ���ŽŒ‹‹ŠŠ‹�‹‡„‚„‡ŠŒ��’”“”—™–“�ŒŠˆ‡†‡‰Œ�“–™œ››››™˜™™—•‘��‘“”’Ž‰…ƒ‚‚‚ƒ„…………††‡ˆŠŒŽ�Ž�‹Š‰ˆ…ƒ‚‚‚‚„†ˆˆˆˆ‰‹Œ�‹‰‹�Œ‹‰ˆ†„ƒƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ…„„ƒƒ…†„„…ˆ‰‹‹Œ�“–—–•”“‘�ŽŽ�‘’”—š›š˜–”’�‹‡„ƒ‚‚‚‚‚‚‚‚‚‚‚ƒ…†‡ˆ‰‹ŒŽ�‘‘�Œ‹‹Š‹Œ�Š‡…„…‡‰‹Ž‘”•”–š›˜•‘ŽŒŠˆ‡‰‹��“–™›š™˜˜––—˜–“�Ž��“”‘�‰†„ƒ‚‚‚ƒ„†‡ˆ‡ˆŠ‹�����‘Ž�Šˆ…ƒƒ„„…‡ˆˆˆ‰ŠŒ�‘’���‘�ŽŒŠ‡††…ƒ‚‚‚‚‚‚ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒƒ„…†‡‰‡‡ˆˆ‡†‡ˆ‰Š‹�‘”–—–•’�����‘’’’”—™š™—”’Ž‹‰‡…ƒ‚‚‚‚‚‚‚‚‚„…†‡ˆˆ‰‹Œ�’••’ŽŒŒŒŒŒŠ‰ˆˆ‡‡ˆ‰‹�’•––˜šœš—’�ŒŠ‡†ˆ‹Ž‘”˜šœ›š—•••–•“‘Ž���’“�‹‰‡…„‚‚‚‚„†‡‡‡‰‹Œ�‘‘‘““‘�Œ‰ˆ‡†‡ˆˆŠŠŠŠ‹�Ž‘“”““““‘�Ž‹‰‰‰ˆ…ƒ‚‚‚‚ƒƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ„†……†Š‹Š‰‰‰ˆ‡ˆˆˆ‰Œ�’”–—–“�Ž����‘’’‘“•˜›š—”’Ž‹‰‡†„‚‚‚‚‚‚‚‚„†‡‡ˆ‰Š‰Š�‘”˜™•‘�ŽŽ�‹Š‹Œ‹‹Š‰ŠŒ�’•–—™›œš–’��Œ‰†ˆŒ�’•˜šœ›™–””““”’�Ž���’’Ž‹‰‡…„‚‚‚‚‚‚ƒ„†Š‹Œ�‘‘’’‘�‘�Ž�‹ˆˆˆŠ‹ŒŒ���Ž�‘“““’�Ž�‹Š‹Œ‹‰‡……†„ƒƒƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒƒ…‡Š‹Š‰‡‡†‡‡‡ˆ‹Ž��‘’”“’�Ž���ŽŽ��‘’”•—•“’�‹‰‡‡…ƒ‚‚‚‚‚‚‚ƒ…‡‡‡‡ŠŠ‰ŠŒ�•™š—”’�Ž�‹‹���ŒŠŠŒ���’”–—˜—•“��Ž�‰‡Š�Ž�‘”–˜™˜–”“‘’“�ŽŒŒ���Ž‹‰†…ƒ‚‚‚‚‚‚‚‚ƒ†Š‹‹Ž‘’’‘��’’’��ŠŠ‹���ŽŽ�Ž���’‘‘‘���ŒŒŽ�ŒŒ‹Š‹‹‡„„ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ„†‰Š‰ˆ†††‡‡‡ŠŽ‘‘��‘’’‘‘�����Œ��‘“””•“‘��Œ‰‡†ƒ‚‚‚‚‚‚‚ƒ„‡‰‡†‰‹‹ŠŠ‹�–›�š˜–“‘�Ž��ŽŽŽŒŒŽ���’“”–•“‘�����ŒŠ‹��Ž�“•———–”’‘““�Ž��Ž��ŒŠ‡…„‚‚‚‚‚‚‚‚‚ƒˆ‹‹��‘‘‘��‘’’“‘Ž��ŽŽŽ����‘��‘‘���‘��ŽŽŽŽ���Ž�ŽŠ‡„‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚„†‡‡‡‡‡ˆ‰‰‰Œ�‘’‘��‘‘’’’‘�Ž��Ž‘”•–•”“’‘��‹ˆ…ƒ‚‚‚‚ƒƒ„…‡‰‰‡ˆŠŠŠŠŠ�’˜ž ž�š˜–•””’��Ž���’’’‘‘’“’���‘’“’Ž�ŽŽŽŽ�’”–––•”’’““�ŽŒŒ��ŒŠ‰‡…ƒ‚‚‚‚‚‚‚‚ƒ†Š�ŽŽŽ������’“”’��‘‘����‘’“‘�‘����‘������‘“’‘��Œ‡ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚…†‡‡ˆˆ‰‹‹ŒŽ��’‘�Ž��‘’’‘�ŽŽŽ�“•–——–•”’‘ŽŒˆ„‚‚‚‚‚ƒ„†‡ˆˆˆˆˆŠ‹ŠŠŒŽ’˜ž¢¡ �ššš™˜•’‘���“•””’‘‘‘��Ž�‘’’’‘������‘”–—–––•“’‘ŽŒŒŒŒ‹‰‡†…„‚‚‚‚‚‚‚‚‚„ˆ‹��ŽŽŽ��ŽŽ��‘’‘‘���ŽŽŽŽ�‘”’‘�������‘����““‘��Ž‹†ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ„†‡…„ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚„††††‡ˆŠ‹‹‹Œ�Ž�ŒŒ���Ž����‘‘“–˜˜˜˜™—•“��Š‡„ƒ‚ƒ„ƒ„………‡ˆ‰ˆˆŠŒ‹Œ�Ž“˜�  Ÿœššœœ›˜––•““•––•““‘����Ž�ŒŒŽ��ŽŽ��‘’”––—™™–”“’�Ž�ŒŠˆ„ƒƒ„ƒ‚‚‚‚‚‚‚‚ƒ…‰Œ���ŽŽ����ŽŽ�’’��Ž�����Ž’•“‘���‘����ŽŽ�‘“”“���Š†ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒƒ…‡‰‹Œ‹‰‡…ƒ‚ƒ„ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ………„…†ˆŠ‹‹‹‹ŠŠ‹ŒŒ‹‹Œ���‘“•–™›››œ›—•“‘�‰†…„ƒ………„„„…†‡‰‰ˆ‹��ŽŽ�”˜œŸŸŸœšœžŸ �››š™˜™š™—–”’��ŒŒŒ‹‰‰Œ�����“””•——™››˜—–•“��Œ‰†ƒ‚‚‚‚‚‚‚‚‚‚‚‚ƒ†ŠŒŽ�ŽŒ‹Œ����‘‘��ŽŽ�Ž�ŒŒŒ�‘”‘��ŽŽŽ��Œ‹‹��‘“–”’��Š†„ƒƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚„„…‡‰Š�ŽŽŽ�ŒŠ‡†‡ˆ††…„ƒƒ‚‚‚‚‚‚‚‚‚‚‚‚‚„…‡Š‹ŒŒ‹Š‰‰‰‰‰‰‹Ž�‘“—™šœŸŸŸŸœ˜•”’�‰†………†‡‡…ƒ„†ˆ‰ŠŠŒŽ�Ž���’•™�����žŸ¡£¡ ŸŸ�œ��›™˜—“�ŒŠŠŠˆˆŠŒ���‘“––—˜šš›œ�›™˜˜•“‘�‰„‚‚‚‚‚‚‚‚‚‚‚‚‚„‡ŠŒŽŽŽŒ‹‹��’““‘��Ž��ŽŽŒ‹ŒŽ’”“��Ž����‹Š‹��‘”––“��Šˆ†„„ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ…‡ˆ‰‹����’‘�Ž�Š‰Š‰ŠŠ‰ˆ†ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ„†ˆ‹‹‹Š‰‡†‡‰‰Š‹��’–šœ�Ÿ ¡¡Ÿœ˜–•’�Š‡…†ˆ‰Š‰‡††‡‰‹��Ž�‘���‘“•™œœ�žžŸ £¤¤¥¤£¡  Ÿ�››™”�ŒŠ‰‰ˆ‰Œ�‘’’“–™™š››œ����œœ›˜•“�Š†ƒ‚‚‚‚‚‚‚‚‚‚‚„†‰Œ�����Ž�‘’””•’��Ž�����‹Œ�”—–“��Ž���Ž���’“”•”“�Ž‹Šˆ†„ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚„†‡Š‹�Ž�‘’““��‹‹‰‰‡†††††„‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ…‡ˆ‰ˆ‡††‡‰ŠŒ��’•˜š›�ž��œš˜–•“��Œ‡…†‰ŠŠ‰‰‰‰ŠŒŽŽŽ�’“““““”—š›œ��žžŸ¢¢£¥¤£¢¢¢¢¡¡ž›•‘Ž‹ŒŽŽ�’•––•–™››œœ›œžžžžž�œ—”‘Ž‹‡ƒ‚‚‚‚‚‚‚‚‚‚ƒ†‰‹��ŽŽ�Ž�‘“••—˜•’�Ž��Ž��Œ��”˜—•’��‘‘‘’““••••”““’�ŒŒ‹‰‡…‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ„…‡‰Š�ŽŽ�’“”••��‹Š‰‡…„ƒ‚„…ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ„†‡†…†‡‰ŠŒŽ�‘”˜šœœ���œš˜—•“�Ž�Œ‰‡ˆŠŠ‰Š‹ŒŒ�Ž�‘‘“•—––—˜˜šœœ��žŸŸ ¡¢£¤¤¤¤¤¤¥¤¢ž›–’���’”–˜š›š˜™œžŸŸž��ŸŸ  ž�œ˜”‘�Œ‰„‚‚‚‚‚‚‚‚‚‚ƒ†Š‹ŒŽ����‘•˜™››š—•‘�Œ‹Œ�Ž��‘”—˜—”’“””””“•—•••”““’���Ž�‹ˆ„‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒƒ„…†ˆŠ‹ŽŽ�‘““•––“�‹ˆ…ƒ‚‚‚ƒ„„‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚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ƒ‚‚‚ƒ„…„„…††ˆŒ�‘“”””““”–™ž¢¥§¨©©©«®­­¯°¯¬©¦¥¦¨©§¥¤¢Ÿ™“‘’””•––———˜™œ¡¦ª­­ª¦¢�˜’Ž‹‰‡††‡‡‡ˆŠ‹Š‰‰Š‹‹‹‹ŒŒŒ�Ž�ŽŽŽ�‹‹‰ˆ††…†‡‰Šˆ„‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ„„‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚„……ƒ‚‚‚‚‚ƒ†………‡ˆŠ����‘“’’’“–› ¤¥¥¦¨©«­°®®°³²¯«¨§¨©©¦¤¡žš•���‘“”””••–—˜› ¤©­¬¨¤žš–’Ž‹ˆ‡††‡‡††ˆ‡‡‰Š‹Œ‹Š‰‰Š‹Œ�ŒŒŒ�Œ‹ŒŒ‹Š‰ˆˆ‰ŠŠ‡„ƒƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ„‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ„ƒ‚‚‚‚ƒ†‰‡……‡ˆŠŒŽŽŽ�‘‘‘’”—›¡¥¦¦¦§©«¯±¯¯²´³±®ªªªªª¦£Ÿš–‘Œ‹ŒŽ�‘‘�‘”–—™œŸ£¨­«¨¢›˜”��‹‰ˆ‡††………„„…ˆ‹Ž��Š‰ˆ‰ŠŒ�Œ‹Œ�‹Œ��ŽŽ�Œ‹Œ‹Š‡………„‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ„ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ„ƒ‚‚‚ƒ…ˆŠ‡………†ˆ‹Ž��Ž��‘“•˜œ¡¥¦§¦§¨ª®°°±²³³²°®­¬«©¤ ›—’�ŠˆˆŠ‹����“–™›ž¡¥©¬©¥Ÿš–’��‹‰ˆ†„ƒ‚ƒ‚‚‚ƒ‡ŒŽ�ŽŒŠˆŠŒ��ŽŒ‹‹‹Œ�’’“‘�Ž�Š‡‡‡ˆ‰‡„‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚„†‡…ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒƒƒ‚ƒ……ˆŠ‡……†‡ˆ‹Œ�Ž��‘’–˜›ž¢¥¦§§§¨ª­¯°±³´³²±°®¬ª¨£ž˜“�Œˆ…†ˆŠŠŠ‹Ž’—™� ¢¥©¬¨¤ž™•’��Œ‹‰‡„ƒƒƒ‚‚‚„ˆ‹Ž�Ž�Šˆ‹���ŽŒŠ‰‹Ž’”••”’��‰‡ˆŠ‹Šˆ†ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚„†‡…„‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ„„…‡‡†‡‰Š‰‰‰ŠŒŽ�‘“–™œ ¢£¥¦§¥¥¦¨ª«¬®±´²°¯®¬ª©§£ž—‘�Œ‡„…ˆŠ‹‹Œ�”—™›� £§ª§¢�™—”��ŒŒŠ‰‡†……………ˆ‹��Œ‹Šˆ†ˆŠŒ�‹‰ˆ‰Œ�’”•––•’ŽŠˆ‰Š‰ˆˆ†„ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚„…„„‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚„†‡ˆ‰‹‹Š‰ˆˆ‹Ž�’—›� £¤¤¥¦¦¥¥¥¦§¨©«¯±°¯®®¬ª©§¢œ–’��‡„„‡ŠŒ�Ž’•—˜™›ž¡¦©§£Ÿ›™—“Ž��ŒŒ‹‰‡‡‡ˆŠŒ��Œ‹‰‰‡†‡ˆŠŠˆ‡‡‰��’“•–—–“�‹ˆ‰Šˆˆ‡‡‡†ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ„„ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ†ˆ‰‹Œ�‹‰‡‡‹�’–šœ ¤¦¦¦¦¤¤¥¦¦¦¦¦§©¬¯±±°¯¬ª©¦¡œ˜”‘�‡„…‡Š�Ž�’•——˜šœ ¥§§¥¢Ÿ�›–‘�Ž����‹Š‰‰‹ŽŽ�ŒŠŠ‰‡‡‡ˆŠ‰‡‡‡ŠŽ�‘”–——–“��‹Š‰ˆˆ‡‡ˆ‡…ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚ƒƒ‚‚‚‚‚ƒ„ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ†‰‹��ŒŠ‰ˆˆ‹Ž“—›ž£§§§¦¦¥¤¥¨§¥¥¥¦©­°²²±°­«¨¥ ›˜•‘Œ‡„…ˆ‹Ž�’“•–———šŸ¤¨§¥¤¡žœ—’��ŽŽŽŽ�Œ‹‹��ŽŒ‹‹Šˆˆˆˆˆ‰ˆˆ‰‰‹Ž‘“–———–“‘Ž‹Šˆˆ‰ˆˆˆ‰‡…‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ‚‚‚‚‚‚ƒ„‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ…‡Š‹Šˆ‡‰Š‹��“–šŸ£¦¦§¦§¦¥¦¦¥¥¤¤§«¯²²±±¯¬¨¦¤ž™•’ŽŠ†ƒ„ˆ‹�Ž�’••–••˜�¢¥£¡ žœ›—“���Ž�ŒŒŒ‹ŠŠ‹‹ŒŒŒŠ‰‰ˆˆ‰‰ˆŠ‹Š‹Ž‘”–••–•“�‹ˆˆˆˆ‰‰ˆ‡†„ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ…‡ˆ‡†‡Š���‘’•šŸ£¦§¦§¨§¥¦¦¦¦¦§ª®²´²¯°¯ª¥£¡œ—“�ŒŠ†ƒ…‡ŠŒŽ�’••”’’–›Ÿ¢¡Ÿ�›š™—“�Ž��ŒŠ‹Œ‰‡ˆ‡‰‹�ŽŒ‰‰ˆ‰‰‰ŠŒŒ‹ŒŽ’”•””””’�‰†‡‡ˆ‰ˆˆ†„ƒƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ„ƒ‚ƒƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ„…†‰Œ�”•””–™ž¢¥¥¦¨ª§¥¥¦§©©ª¬¯±´²°®­¨£¡Ÿš•�‹‰ˆ†…†‡‰Œ��“•”’�’”˜›ž�œ™—–•”“’‘��ŒŠ‰ˆ††††ˆ‹Ž��‰ˆ‡‡ˆ‰Š‹‹‹ŒŽ‘“••”“’�Œ‡††‡ˆ‰ˆ‡……„ƒƒƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒƒ„‚‚ƒƒƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ…Š�•˜˜˜˜™š� ¤¥¦©ª¨¦¦¦§©ª¬­¯²µ²¯®«¦£ �™“Ž‰‡‡‡†…†‰‹Œ�’”“���’•˜šš˜–”““”””’‘�Œ‰‡‡†……„ˆŒ�’�‹‰†‡‰ŠŠ‹‹‹‹��’””“‘�‹ˆ†„„†‰Šˆ‡…„ƒƒ„ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ…†„ƒƒ„ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚…‹’—š›�žž ¡¢¤¥§¨¨¨©¨§¨©«®°²´µ±®«©¥¡�š—“�‡„„…„ƒ…‡ˆŠŒ�‘‘��‘“””••”“””–––•“�ŽŠ‡‡‡…„„…‰��‘��Š‡‡ˆ‰‰‰ŠŠŠ‹�Ž��Ž‹ˆ‡†„‚‚„‡Š‰‡„ƒƒ…„‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ†‡…ƒƒƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ†Ž”˜�Ÿ¢£¤¤¤¥¥§¨¨©ª«©¨©«®²´µ··²­ª§£ œ˜–’‹†„„ƒ‚ƒ„…†ˆ‰ŒŽŽŽ��‘‘‘’’’’“•–—–”‘Ž‹‰‡‡‡…„„†‰ŒŽ‘��Œ‰‰ˆ‰‰ŠŠ‰ˆŠ‹�ŽŒ‰†„„„ƒ‚‚ƒ†‰Šˆ†………ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ…„…‡ˆ†„ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ…‰�•› £¦§¨¨©¨§¨ª«««ª©©«®±µ¶¸º¹´¯©¥¡žš—”�‹‡††ƒƒ‚‚‚ƒ„†ˆ‹‹‹ŒŽŽŒ�Ž�‘‘“““”•’ŽŒ‹‰ˆ‡†…„…‡‰Š��ŽŽŒŒ‹Š‰ŠŠŠ‰‰‹�Ž�Œ‰…‚‚‚‚‚‚ƒ†‰Š‰ˆ‡…ƒ‚‚‚‚‚‚‚‚‚‚ƒƒƒ‚‚ƒ…††‰‹‹‰†„‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ…‡Š‘—�¢¥¨©ªª«ª©ª¬¬«ªª©©¬¯³¶¸º»ºµ¯©¤ œ™—”�Œ‰ˆ‡…„ƒ‚‚‚‚ƒ‡ˆ‰Š‹Œ‹ŠŠ‹Ž�����’”�ŒŒŠ‰ˆ‡ˆˆ‡‡‰‰‰ŒŽ�����ŒŠ‰‰ŠŠŠ‹ŒŽŽ‹‡„‚‚‚‚‚‚„†‡ˆ‡‡†„‚‚‚‚‚‚‚‚‚‚ƒ„„ƒƒƒ„…‡‰‹��‹‰†„‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚„†ˆˆŠ�–œ¡£¤¥¦¦¦¦§¨©ª«ª©¦¦©­±´¸»½½¸³¬§ ›š™•‘ŽŒŠ‰ˆ‡…ƒ‚‚‚…††ˆ‰ŠŠŠ‹ŠŠŒ��ŒŒ��’ŽŒ‹Š‰ˆ‰ŠŠ‰‰‰‰Š‹�Œ‹ŠŠŠŠˆ†‡ˆˆˆ‡‡‰Š†ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒƒ‚‚‚‚ƒ…ˆˆ‰���Š‡…ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ‡ˆ‰ˆ‰Ž•›Ÿ ¡¢£££¤¥¦¨ªª©¨¥¤§¬°³¸º½¾¹´®¨¡žœ›—“‘��‹‹‹ˆ„ƒ‚„………†ˆ‡‰Š‹Š‰‰‰‰Š‹‹Ž‘ŽŒ‹‹ˆˆŠŒŒ‹Š‰‰‰ŠŠŠ‰‡‡‡†„„†‡†„ƒƒ…†ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ…ˆˆ‰Œ��Šˆ‡„ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ„‡‰‹‹Œ‘–›Ÿ Ÿ ¢£¤¥¥¦§¨©§¤¡¡¤ª­²µ¸»½¹µ°©£Ÿ�œ—””“�ŽŽŽŠ‡……ƒƒƒ„†ˆ‰‰ˆ‰‡†………†‡‰Ž‘�ŒŠˆ†‡ŠŒ‹Šˆ‡ˆ‰ˆˆ‡†……ƒ‚‚‚„…ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ…‡†‡‹Ž�‹ŠŠ‡…„ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ…ŠŒŽ��”–šžžžŸ ¢¤¤¦§§¨¨¤ žŸ£¨¬°³¶¹»¹¶°ª¤ ž›˜———•“‘�ŒŠˆ†ƒƒ„„†‡ˆˆˆ‰ˆ†„„ƒ„…ˆ‹ŽŒŠ‡‡†ˆŠŒ‹Š‰‰‰ˆ‡††…„ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ………‡ŠŒŠˆ‰Š‰‡†„‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ…‰�Ž�‘“”•˜ššš›� ¢¤¦¦§¨¨¤ ŸŸ¢¦©«¯³¶¹·´¯ª¥¡�›™™šš˜”’��‹ˆ‡……„ƒƒƒ„„…‡‡†…†„„…†ˆ‰‡…„……†‰‹ŒŒ‹‹‰‡†‡††„‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ„„„†‰†……†††…„‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒƒ…†‰Œ‘’”––•“”–––™šž¢¥¦¥¦§§£ŸŸŸ ¡¤§«°´¶µ³¯«§¢žœ››œœ™–”‘Ž‹‰ˆ‡‡„‚‚‚‚‚ƒ„…†††„ƒ„…†…ƒ‚‚‚ƒ„ˆ‹ŒŒŒŒ‰†…‡‡‡…ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚„†„ƒ‚ƒ„„„ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ†‰ŠŒŽ’—˜™˜—”’“””•—™�¡¤¦¦¦¦¤ ��žžŸ £¨­±³²±¯­©¦¢Ÿž��œš™—”‘��‹‡„‚‚‚‚‚‚‚ƒ†‰ˆ…‚‚‚„„ƒ‚‚‚‚‚ƒ…ˆ‰‰ŠŒŠ‡‡‡‡‡†…ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ„‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚†‹Ž‘”—š��›š˜•””””•—™�¡¤§¦¦¤ ž�œœœ›ž¡¥©­¯¯°¯®ª§£¡ ž�œ›™—”‘�Ž‹†ƒ‚‚‚‚‚‚‚‚†Šˆ„‚‚ƒƒ‚‚‚‚‚‚‚‚ƒ……†‰‹‰ˆ†††††…ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚„‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ‡Œ�“˜œ�Ÿžœ›š˜™™˜˜˜™›� £¥¥£Ÿ�œšš›™™šœ¡¦¨ª¬­«©¦£¡¡Ÿ�œš˜•’��‹Šˆ„‚‚‚‚‚‚‚‚‚†Š‡ƒ‚‚‚ƒƒ‚‚‚‚‚‚‚‚‚‚ƒ………ƒƒƒƒƒƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ…„„‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚„ˆŒ�–›ž¡ ž�œœžŸž�œœœ�Ÿ¡£¢ œ›™˜™˜˜—˜™ž£¦¨©©¨¥£¡¡ �›™–“�ŽŒ‰†……‚‚‚‚‚‚‚‚‚ƒ‡‰†ƒ‚‚‚ƒƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ††…ƒ‚‚ƒƒ„ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚„ˆ‹�•›Ÿ¤£¡   ¢£¤¢ ž�ž   žœš™—•••–———šŸ£¦¥¥¤¢¡  žš—”’ŽŒŠˆ†„„„‚‚‚‚‚‚‚‚ƒ…††„ƒ‚‚ƒ„„ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ‡†…ƒƒ…‡ˆˆ…ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚…ˆŠ�”š¡¦¥¤¤£¤¦¨©¨¥¢Ÿ ¡ ž›˜™˜–“““”•––˜œ¡¤£¡  Ÿ žœ—“‘�Œ‹‰†…ƒ„ƒ‚‚‚‚‚‚‚‚ƒ„……„„ƒ‚ƒ„„ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚„ˆ‡†……‡Š‹Œ‰†ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚„†‰�”›¢¦¦¦¤¤§ª«¬ª¨¤¡¡¢ žš˜˜˜”���‘‘‘’•™ž¡Ÿœœœœœš˜•“’�Ž�‰‡††…„ƒ‚‚‚‚‚‚‚‚ƒ„†„„ƒ‚‚ƒƒƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚…ˆ†…„„†ˆ‹�‹‰…‚‚ƒƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ†Š‘–œ£¨¨¦¥¦¨«­¯®«¦¢¢¢¡Ÿ›˜–”’�ŽŽ�Ž��’•š�œššš™˜––•”’‘�ŽŠ‡‡††…ƒ‚‚‚‚‚‚‚‚‚„†…„„ƒ‚‚ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚…ˆ†„ƒ„†‰ŒŽ�Š…ƒ„……„‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ‡�“˜ž£¨§¦¥¦¨ª®°¯¬¨§¥¢¡Ÿ›˜”’��ŽŽŽ���‘”˜š™ššš˜—–•••““��Šˆ†………ƒ‚‚‚‚‚‚‚‚‚„…„„„„‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚„‡†…†ˆŠ‹�Ž�Š‡††ˆ‰ˆ…ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚…Š�–™�£§¦¥¥¦¨«®±¯­ª§¤¢¡Ÿœ˜”��Ž�ŒŒ�����“•–˜˜—••”““’‘‘ŽŠˆ‡…„„ƒ‚‚‚‚‚‚‚‚‚‚ƒƒƒƒƒƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ…„†‡Š‹Œ��Ž‹‰ˆ‰‹�Œˆ…ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒˆ�’—šž£§¦¥¥¦©«®¯®«¥¡ŸŸ�›™—“�ŒŠ‰‡‡†…‡‡ˆ‹������Ž��ŒŠ‰ˆ†„„ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒƒ„†‰‰‹�‘Ž‹ŠŠŠ‹��‰†ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚„‰�”˜œ £¤¦§¦§¨ª­®¬¨¢�œœ›š˜–’�Š†…„ƒ‚‚‚‚„…‡ˆ‰‰‰‰ˆ‰Š‡…ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ…†ˆˆ‰Ž‘����Œ�ŽŽ‹‡„‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ‡Œ’–™� ¡£¥¦¦¦¥¥¨ª§¤Ÿ›š™˜—•“��‡„‚‚‚‚‚‚‚‚‚‚ƒ„„„ƒƒ……ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚„††Š�’’‘������ŒŠ†„ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ†‹�•˜šœž ¢£¤¤£¢¢¤¥£¡œš—–•“’‘Ž‹‡ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ„‡Š�””“’‘‘����Šˆ…„ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚†‹�”˜›žžŸ¡£££¢¡ŸŸ ¡Ÿ�š—”“‘�ŽŒŠˆ„‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ†ˆŒ‘”““’’’’���‹ˆ†„ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚„‰Ž“˜›Ÿ¢£¤¥¥¥¤£¡ž���›˜–“‘�ŒŠ‰ˆ†„‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ†‰Œ‘”“““”“‘��Ž�‰‡„ƒ„ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒˆ�“˜œ ¤§¨§§¨¨¦£Ÿ�œ›˜”’���Œ‰†„ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ…ˆ‹�’‘�’’��Ž�Ž�Œ‹‰‡†„‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚†Œ“™ž¡¥¨ªª©ª«ª¦¢Ÿ�›™•‘�ŽŒŠ‰†ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ…ˆŠ��ŽŽ‘“‘�������ŒŠ‡„‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚„‰�˜Ÿ£¥¨ª¬¬¬¬¬©¦¢Ÿ�œ™•“‘Ž‹ˆ†ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ…‡ŠŒŒŽ‘“’’’“’‘‘‘�‰†„‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚…‰�–œ¡¤¦©««¬¬­ª¦£¡Ÿ�™—•’Ž‰‡„‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ„ˆ‹ŒŽ’““”•–•“““�‹‡…„ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ‡‹�•› ¤¦ª««¬®¯«¨¥¢Ÿœ™˜”‘�‰†ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ‡ŠŒ�‘’’”–™˜––•’�Š‡…ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚„ˆŒ�“˜�¡¦ª­­®±³®©¦¢Ÿœ›™”‘�ˆ„‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ‡Š���‘’”—š™˜—–“‘�‰‡„‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ‚ƒ„…‰Ž�’–š ¥«®¯°²´¯«§¤¡žœ™•‘‹†ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ…ˆ‹Ž�’“•˜š™——–“��‹ˆ†„‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ…‡‡‰‰ŠŒŽ�’•™Ÿ¥¨«­°´¶²­©¥¢Ÿ�›—‘Š…‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚„ˆŠŒ�’”•˜š˜˜—•“�Ž�‹‰…ƒƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ…ˆŒŽ�����“”–™ž£§ª­±µ·²­§£¡ žœ—‘‹…‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ‡ˆŠ�‘’“–˜–•••“‘‘‘ŽŠ‡†…„ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚„†‰�‘“•––””•–—šŸ¥¨«­°´µ±¬¨¥£¡ž›–�Š„‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ†ˆ‰��‘“–—•”””“““’�Œ‰ˆ‡†„‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚„†‰�‘”—ššš™™™™šœ ¥¨«­°´¶³¯ª¦£¡œ—’�‡ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ…ˆ‹Ž��“”•“’“”””“’��Š‡…„‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒˆ��‘•™š›››šš™š�¢¦©¬°´µ³°«§¤Ÿ™”�‹‡ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚„ˆ‹�Ž‘“““’’“”““’’�Ž‹ˆ…ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚„‰�Ž�•™›œœ››™˜˜› ¥©¬°³³±®¬©¢œ—“Ž‹‡„‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚…ˆŠŒ��‘’“’‘‘‘‘‘’‘��Œ‹‡…ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚…ŠŽ�”˜š›œœ�š˜——›¡§ª¬¯±±¯®«§ š•��Š‡„‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ…‡ˆ‹Ž�‘“”“’’‘’‘’�ŽŒ�Œ‰†„‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ†Š��”–™›œœœ™™——œ£©¬¬­¯¯­ª§¤Ÿ˜’Œˆ…ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ…‡‰‹��’”•”•““’’’‘Ž�Ž�‹ˆ…ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ†‰Œ�“–˜™˜—˜˜–—œ£¨ª«®¯®ª§¤ œ–�ˆ„‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ†ˆŠŒ��’•——–•””“’‘�Ž��Œˆ„‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ…†‰��“•–””–––˜�¤§ª«­®®©¤ œ—’Œ‡ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ…‡‰Œ�’”–˜˜˜—•”’’“’’‘�‹ˆ„‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ…‰�‘’‘‘’”–˜™ž£§«¬®¯®¨¢ž™”�Š‡„‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚„‡ŠŽ’””––—˜—•“’““““‘�Š‡ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚„ˆŒŽŽŽ�‘“–˜›ž¢§ª¬®®¬¥ œ™”�‹‡ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ†Š���’’“”“’’‘‘‘‘�Ž‹ˆ…„‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚„‰ŒŒ�ŽŽ�’•™�žŸ£§ª¬­«¥ �š•�‹‡ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒƒƒƒƒƒ‚ƒƒ‡ŠŒ�Ž������������‹‡…ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ†ŠŠŠ‹Œ�Ž’–šž�ž¢¥§ª¬«¦¡�™”�‹ˆ…„ƒƒƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚„†††…„ƒ„„…‰ŒŒ�ŽŽŽ��‹ŠŠ‹ŒŒŒŠˆ…ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚„†ˆ‡‡ˆ‹ŒŽ’—›ž�ž ¡£¦ª©¥ œ˜•‘�Šˆ††‡…ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ…ˆ‰ˆ†„„†‡ˆŠ‹Œ�ŽŽ�ŒŠˆ†‡‡‰ŠŠˆ†„ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ‚‚‚‚‚‚‚‚‚‚ƒ„…†††ˆŠŒ�”˜›�žžžž¡¤¦¥£ ›—”’Ž‹ŠŠ‰ˆ†…ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ…ˆŠŠˆ††‡ˆ‰‹Œ����Œ‹ˆ†……„„…‡…„ƒƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ…ƒ‚‚‚‚‚‚‚‚ƒƒƒƒ„…‡‰��”–˜šœ�ž�� £¢¡ �™•”‘�Ž�ŒŠ‰‡†…ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ…ˆ‰Š‹ŠŠ‰‰Š‹ŒŽ���Ž�‹‡…„ƒ‚‚ƒƒƒ‚ƒƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚†ˆ…ƒ‚‚‚‚‚ƒ„…„ƒƒƒ…†‰�’–˜˜šœ��œœŸ¡ ž›˜–”’‘��Œ‹Š‰ˆˆ‡…ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒƒƒƒ„†ˆŠ‹Œ��Ž�ŒŒ���‘‘��ŽŒ‡…ƒ‚‚‚‚‚‚‚ƒƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚„ˆŠˆ‡„ƒƒƒ…‡ˆˆ†„ƒ„…‡Š�“˜™™›žž�››œžžžš–”’‘�‘�ŒŠ‰ˆˆˆˆ‡„‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ„„ƒ„†ˆ‹�ŽŽŽ�‘��ŽŽ�‘’‘���‹‡„‚‚‚‚‚‚‚ƒƒƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒƒ‚‚‚‚‚‚‚ƒ„†ŠŒ‹‰†„„…ˆ‹‹‰‡…„…‡ˆŒ�•™šš�Ÿžž�œœœ�Ÿœ˜•”’���‹ˆ‡‡†††‡„‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒƒƒ„‡‹Ž��Ž��Œ‹‹‹‹Œ�Ž�Œ‹‹ˆ†„ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ„‡ŠŒŽŒ‰†…„…ˆ‹‹‹Šˆ‡‡‡ŠŽ‘•™™š���ž�œœ�Ÿ¡ž›˜—“‘��‹ˆ‡†„„…†„‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ„„ˆŒ�’��Œ‹Š‰‰‰ˆ‰ŠŠ‰‰‰Š‰ˆ†…ƒ‚ƒƒƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ„„†ŠŒŽ��Š‡‡††ˆ‹ŒŒŒ‹‰‡ˆ‹��•˜™š›œ�ž��žž¡¡Ÿ�›™”‘��Šˆ†„ƒƒ„†„‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ„…„‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ…†‡Š��’�ŽŒŠˆˆ‰ˆ†‡ˆ‰ˆˆˆ‰ˆ‡††„„„„ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚„†‡ŠŒ��‘�ŒŠˆ‡‡Š����‹‰‰Š‹Œ�“–˜™™šœ��ŸŸ ¢¡ Ÿœ™”‘��‹ˆ…ƒ‚‚ƒ„ƒƒƒƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ…†…ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚„†ˆ‰Š�‘’‘ŽŒˆˆ‰‰‡††‡ˆ‡ˆ‰‰ˆˆˆ‡†‡‡†„‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ‚‚‚‚‚‚‚ƒ„†‰‹ŒŽ‘“‘��‹ŠŠŒ�Œ�Ž�‹‹Œ‹Œ�’•—™š›œ�Ÿ Ÿ Ÿ�œ›™–“’�Ž‹‡„ƒƒ‚‚‚‚‚‚„‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ„ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ…‡ˆ‰‹��‘��Š‰‰‰ˆ‡‡‡‰Š‹Œ‹‹Š‹‰ˆˆˆ‡‡…ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ†ˆŠ�‘””’‘�Ž����Ž��Ž�ŽŽ�’”•—™š›œ���œœœ›š™—•”“��‰†„„ƒ‚‚‚‚‚ƒ„ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ„†‡ˆ‹�Ž�‘�ŒŠŠŠŠ‰‰‰Š‹Œ�Ž��ŒŒ‹Š‰ˆ‡‡„‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚„‡Š�’•••–”’‘���‘’’’’‘’”••–™››œ��œœ›ššš™˜—–”‘Ž‹‡ƒ‚‚‚‚‚‚‚‚ƒ„„„ƒƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ…†††‡‰ŠŒ���‹‹‹‹Œ‹‹Œ�ŽŽŽŽ��ŒŒ‹‹Šˆˆ‡„‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ†ŠŽ“•–˜˜˜—–•••––•••“’“•–—™›����œ›™™š™—––•’��Š…ƒ‚‚‚‚‚‚‚‚ƒ„……†„‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚„†ˆ‡†ˆ‰‰‰Œ��ŒŒŒŒŒŒ������Ž����ŒŒ‰ˆˆ‡…ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚„‰Ž’•——˜šš™˜—˜™™˜—•”“•———˜šœœ››œš˜˜—•”’‘‘��Œ‡„„ƒƒ‚‚‚‚‚‚‚ƒƒƒƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚…ˆ††‡ˆ‡‡ŠŒŒ��Œ‹Œ���ŽŽ�‘��Ž�Œ‹‹ŠŠˆ‡…ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ‡Œ�“““•–——–––˜˜–––––——–––˜˜—˜šš™—–•“‘�ŽŽŽŒˆ…„„„„‚‚‚‚‚‚‚ƒƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚„ƒƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒƒ‚‚ƒ†‡††††…†ˆŠŒ�ŒŒ‹��‘��Ž�����Ž�Œ‹ŠŠˆˆ‡„ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ„ƒƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚…‰�‘�‘’”•••––——–—˜˜™™—•”•––••—˜˜–”’Ž�ŒŒ�Šˆ…„ƒ‚‚ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ…ƒƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒƒ„…‡‡………†ˆˆˆˆ‡ˆŠŒ�’“‘���Ž�’‘����Œ‹Š‰†„„ƒ‚‚ƒƒƒ„ƒƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ†‡‡…………„ƒ‚‚ƒƒƒƒ‚‚‚‚‚ƒ„†ŠŽ���‘“–˜™—–•”–—™š—•“’”••””““”‘�ŒŠ‰‰Š‹‡„ƒ‚‚‚‚ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ…„ƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ„†‡†††††‡ˆˆˆ‡‡ˆŠ�‘”•“‘ŽŽ�‘””’‘‘���ŒŠ‡……„ƒ‚„……………„ƒƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚…ˆŠŠ‰‰‰ˆ†„ƒ„…††„‚‚‚‚ƒƒ„†ŠŽ���‘”—š›™–”“”—››—”’‘’’“”’���Œ‹Šˆ††ˆ‰†…„ƒƒƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚ƒ„‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚„„„„…†‡‡‡ˆ‹‹‹Œ��’•–•“‘‘‘“••”“‘�Ž�‹Š‰‰‡†……‡ˆ‡†‡‡††††…ƒƒ‚‚‚‚‚‚‚‚‚‚„‡ŠŠ‰‰ˆ†…„„……††…ƒ‚‚‚ƒ„††ˆŒ���‘“”–šœ™–’‘’–™š˜•‘���’’��Œ‹ŠŠˆ…„„†‡†…„„ƒƒ‚‚‚‚‚‚‚‚‚‚‚‚‚‚‚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diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/tessdemo.c b/nx-X11/extras/Mesa_6.4.2/progs/demos/tessdemo.c
new file mode 100644
index 000000000..26403eee0
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/tessdemo.c
@@ -0,0 +1,524 @@
+
+/*
+ * A demo of the GLU polygon tesselation functions written by Bogdan Sikorski.
+ * Updated for GLU 1.3 tessellation by Gareth Hughes <gareth@valinux.com>
+ */
+
+#include <GL/glut.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define MAX_POINTS	256
+#define MAX_CONTOURS	32
+#define MAX_TRIANGLES	256
+
+#ifndef GLCALLBACK
+#ifdef CALLBACK
+#define GLCALLBACK CALLBACK
+#else
+#define GLCALLBACK
+#endif
+#endif
+
+#ifdef GLU_VERSION_1_2
+
+typedef enum{ QUIT, TESSELATE, CLEAR } menu_entries;
+typedef enum{ DEFINE, TESSELATED } mode_type;
+
+static GLsizei		width, height;
+static GLuint		contour_cnt;
+static GLuint		triangle_cnt;
+
+static mode_type 	mode;
+static int		menu;
+
+static GLuint		list_start;
+
+static GLfloat		edge_color[3];
+
+static struct {
+   GLfloat	p[MAX_POINTS][2];
+   GLuint	point_cnt;
+} contours[MAX_CONTOURS];
+
+static struct {
+   GLsizei	no;
+   GLfloat	p[3][2];
+   GLclampf	color[3][3];
+} triangles[MAX_TRIANGLES];
+
+
+
+static void GLCALLBACK error_callback( GLenum err )
+{
+   int		len, i;
+   char const	*str;
+
+   glColor3f( 0.9, 0.9, 0.9 );
+   glRasterPos2i( 5, 5 );
+
+   str = (const char *) gluErrorString( err );
+   len = strlen( str );
+
+   for ( i = 0 ; i < len ; i++ ) {
+      glutBitmapCharacter( GLUT_BITMAP_9_BY_15, str[i] );
+   }
+}
+
+static void GLCALLBACK begin_callback( GLenum mode )
+{
+   /* Allow multiple triangles to be output inside the begin/end pair. */
+   triangle_cnt = 0;
+   triangles[triangle_cnt].no = 0;
+}
+
+static void GLCALLBACK edge_callback( GLenum flag )
+{
+   /* Persist the edge flag across triangles. */
+   if ( flag == GL_TRUE ) {
+      edge_color[0] = 1.0;
+      edge_color[1] = 1.0;
+      edge_color[2] = 0.5;
+   } else {
+      edge_color[0] = 1.0;
+      edge_color[1] = 0.0;
+      edge_color[2] = 0.0;
+   }
+}
+
+static void GLCALLBACK end_callback()
+{
+   GLuint	i;
+
+   glBegin( GL_LINES );
+
+   /* Output the three edges of each triangle as lines colored
+      according to their edge flag. */
+   for ( i = 0 ; i < triangle_cnt ; i++ ) {
+      glColor3f( triangles[i].color[0][0],
+		 triangles[i].color[0][1],
+		 triangles[i].color[0][2] );
+
+      glVertex2f( triangles[i].p[0][0], triangles[i].p[0][1] );
+      glVertex2f( triangles[i].p[1][0], triangles[i].p[1][1] );
+
+      glColor3f( triangles[i].color[1][0],
+		 triangles[i].color[1][1],
+		 triangles[i].color[1][2] );
+
+      glVertex2f( triangles[i].p[1][0], triangles[i].p[1][1] );
+      glVertex2f( triangles[i].p[2][0], triangles[i].p[2][1] );
+
+      glColor3f( triangles[i].color[2][0],
+		 triangles[i].color[2][1],
+		 triangles[i].color[2][2] );
+
+      glVertex2f( triangles[i].p[2][0], triangles[i].p[2][1] );
+      glVertex2f( triangles[i].p[0][0], triangles[i].p[0][1] );
+   }
+
+   glEnd();
+}
+
+static void GLCALLBACK vertex_callback( void *data )
+{
+   GLsizei	no;
+   GLfloat	*p;
+
+   p = (GLfloat *) data;
+   no = triangles[triangle_cnt].no;
+
+   triangles[triangle_cnt].p[no][0] = p[0];
+   triangles[triangle_cnt].p[no][1] = p[1];
+
+   triangles[triangle_cnt].color[no][0] = edge_color[0];
+   triangles[triangle_cnt].color[no][1] = edge_color[1];
+   triangles[triangle_cnt].color[no][2] = edge_color[2];
+
+   /* After every three vertices, initialize the next triangle. */
+   if ( ++(triangles[triangle_cnt].no) == 3 ) {
+      triangle_cnt++;
+      triangles[triangle_cnt].no = 0;
+   }
+}
+
+static void GLCALLBACK combine_callback( GLdouble coords[3],
+					 GLdouble *vertex_data[4],
+					 GLfloat weight[4], void **data )
+{
+   GLfloat	*vertex;
+
+   vertex = (GLfloat *) malloc( 2 * sizeof(GLfloat) );
+
+   vertex[0] = (GLfloat) coords[0];
+   vertex[1] = (GLfloat) coords[1];
+
+   *data = vertex;
+}
+
+
+static void set_screen_wh( GLsizei w, GLsizei h )
+{
+   width = w;
+   height = h;
+}
+
+typedef void (GLAPIENTRY *callback_t)();
+
+static void tesse( void )
+{
+   GLUtesselator	*tobj;
+   GLdouble		data[3];
+   GLuint		i, j, point_cnt;
+
+   list_start = glGenLists( 2 );
+
+   tobj = gluNewTess();
+
+   if ( tobj != NULL ) {
+      gluTessNormal( tobj, 0.0, 0.0, 1.0 );
+      gluTessCallback( tobj, GLU_TESS_BEGIN, (callback_t) glBegin );
+      gluTessCallback( tobj, GLU_TESS_VERTEX, (callback_t) glVertex2fv );
+      gluTessCallback( tobj, GLU_TESS_END, (callback_t) glEnd );
+      gluTessCallback( tobj, GLU_TESS_ERROR, (callback_t) error_callback );
+      gluTessCallback( tobj, GLU_TESS_COMBINE, (callback_t) combine_callback );
+
+      glNewList( list_start, GL_COMPILE );
+      gluBeginPolygon( tobj );
+
+      for ( j = 0 ; j <= contour_cnt ; j++ ) {
+	 point_cnt = contours[j].point_cnt;
+	 gluNextContour( tobj, GLU_UNKNOWN );
+
+	 for ( i = 0 ; i < point_cnt ; i++ ) {
+	    data[0] = (GLdouble)( contours[j].p[i][0] );
+	    data[1] = (GLdouble)( contours[j].p[i][1] );
+	    data[2] = 0.0;
+	    gluTessVertex( tobj, data, contours[j].p[i] );
+	 }
+      }
+
+      gluEndPolygon( tobj );
+      glEndList();
+
+      gluTessCallback( tobj, GLU_TESS_BEGIN, (callback_t) begin_callback );
+      gluTessCallback( tobj, GLU_TESS_VERTEX, (callback_t) vertex_callback );
+      gluTessCallback( tobj, GLU_TESS_END, (callback_t) end_callback );
+      gluTessCallback( tobj, GLU_TESS_EDGE_FLAG, (callback_t) edge_callback );
+
+      glNewList( list_start + 1, GL_COMPILE );
+      gluBeginPolygon( tobj );
+
+      for ( j = 0 ; j <= contour_cnt ; j++ ) {
+	 point_cnt = contours[j].point_cnt;
+	 gluNextContour( tobj, GLU_UNKNOWN );
+
+	 for ( i = 0 ; i < point_cnt ; i++ ) {
+	    data[0] = (GLdouble)( contours[j].p[i][0] );
+	    data[1] = (GLdouble)( contours[j].p[i][1] );
+	    data[2] = 0.0;
+	    gluTessVertex( tobj, data, contours[j].p[i] );
+	 }
+      }
+
+      gluEndPolygon( tobj );
+      glEndList();
+
+      gluDeleteTess( tobj );
+
+      glutMouseFunc( NULL );
+      mode = TESSELATED;
+   }
+}
+
+static void left_down( int x1, int y1 )
+{
+   GLfloat	P[2];
+   GLuint	point_cnt;
+
+   /* translate GLUT into GL coordinates */
+
+   P[0] = x1;
+   P[1] = height - y1;
+
+   point_cnt = contours[contour_cnt].point_cnt;
+
+   contours[contour_cnt].p[point_cnt][0] = P[0];
+   contours[contour_cnt].p[point_cnt][1] = P[1];
+
+   glBegin( GL_LINES );
+
+   if ( point_cnt ) {
+      glVertex2fv( contours[contour_cnt].p[point_cnt-1] );
+      glVertex2fv( P );
+   } else {
+      glVertex2fv( P );
+      glVertex2fv( P );
+   }
+
+   glEnd();
+   glFinish();
+
+   contours[contour_cnt].point_cnt++;
+}
+
+static void middle_down( int x1, int y1 )
+{
+   GLuint	point_cnt;
+   (void) x1;
+   (void) y1;
+
+   point_cnt = contours[contour_cnt].point_cnt;
+
+   if ( point_cnt > 2 ) {
+      glBegin( GL_LINES );
+
+      glVertex2fv( contours[contour_cnt].p[0] );
+      glVertex2fv( contours[contour_cnt].p[point_cnt-1] );
+
+      contours[contour_cnt].p[point_cnt][0] = -1;
+
+      glEnd();
+      glFinish();
+
+      contour_cnt++;
+      contours[contour_cnt].point_cnt = 0;
+   }
+}
+
+static void mouse_clicked( int button, int state, int x, int y )
+{
+   x -= x%10;
+   y -= y%10;
+
+   switch ( button ) {
+   case GLUT_LEFT_BUTTON:
+      if ( state == GLUT_DOWN ) {
+	 left_down( x, y );
+      }
+      break;
+   case GLUT_MIDDLE_BUTTON:
+      if ( state == GLUT_DOWN ) {
+	 middle_down( x, y );
+      }
+      break;
+   }
+}
+
+static void display( void )
+{
+   GLuint i,j;
+   GLsizei ii, jj;
+   GLuint point_cnt;
+
+   glClear( GL_COLOR_BUFFER_BIT );
+
+   switch ( mode ) {
+   case DEFINE:
+      /* draw grid */
+      glColor3f( 0.6, 0.5, 0.5 );
+
+      glBegin( GL_LINES );
+
+      for ( ii = 0 ; ii < width ; ii += 10 ) {
+	 for ( jj = 0 ; jj < height ; jj += 10 ) {
+	    glVertex2i( 0, jj );
+	    glVertex2i( width, jj );
+	    glVertex2i( ii, height );
+	    glVertex2i( ii, 0 );
+	 }
+      }
+
+      glEnd();
+
+      glColor3f( 1.0, 1.0, 0.0 );
+
+      for ( i = 0 ; i <= contour_cnt ; i++ ) {
+	 point_cnt = contours[i].point_cnt;
+
+	 glBegin( GL_LINES );
+
+	 switch ( point_cnt ) {
+	 case 0:
+	    break;
+	 case 1:
+	    glVertex2fv( contours[i].p[0] );
+	    glVertex2fv( contours[i].p[0] );
+	    break;
+	 case 2:
+	    glVertex2fv( contours[i].p[0] );
+	    glVertex2fv( contours[i].p[1] );
+	    break;
+	 default:
+	    --point_cnt;
+	    for ( j = 0 ; j < point_cnt ; j++ ) {
+	       glVertex2fv( contours[i].p[j] );
+	       glVertex2fv( contours[i].p[j+1] );
+	    }
+	    if ( contours[i].p[j+1][0] == -1 ) {
+	       glVertex2fv( contours[i].p[0] );
+	       glVertex2fv( contours[i].p[j] );
+	    }
+	    break;
+	 }
+
+	 glEnd();
+      }
+
+      glFinish();
+      break;
+
+   case TESSELATED:
+      /* draw triangles */
+      glColor3f( 0.7, 0.7, 0.0 );
+      glCallList( list_start );
+
+      glLineWidth( 2.0 );
+      glCallList( list_start + 1 );
+      glLineWidth( 1.0 );
+
+      glFlush();
+      break;
+   }
+
+   glColor3f( 1.0, 1.0, 0.0 );
+}
+
+static void clear( void )
+{
+   contour_cnt = 0;
+   contours[0].point_cnt = 0;
+   triangle_cnt = 0;
+
+   glutMouseFunc( mouse_clicked );
+
+   mode = DEFINE;
+
+   glDeleteLists( list_start, 2 );
+   list_start = 0;
+}
+
+static void quit( void )
+{
+   exit( 0 );
+}
+
+static void menu_selected( int entry )
+{
+   switch ( entry ) {
+   case CLEAR:
+      clear();
+      break;
+   case TESSELATE:
+      tesse();
+      break;
+   case QUIT:
+      quit();
+      break;
+   }
+
+   glutPostRedisplay();
+}
+
+static void key_pressed( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+
+   switch ( key ) {
+   case 'c':
+   case 'C':
+      clear();
+      break;
+   case 't':
+   case 'T':
+      tesse();
+      break;
+   case 27:
+   case 'q':
+   case 'Q':
+      quit();
+      break;
+   }
+
+   glutPostRedisplay();
+}
+
+static void myinit( void )
+{
+   /* clear background to gray */
+   glClearColor( 0.4, 0.4, 0.4, 0.0 );
+   glShadeModel( GL_FLAT );
+   glPolygonMode( GL_FRONT, GL_FILL );
+
+   menu = glutCreateMenu( menu_selected );
+
+   glutAddMenuEntry( "clear", CLEAR );
+   glutAddMenuEntry( "tesselate", TESSELATE );
+   glutAddMenuEntry( "quit", QUIT );
+
+   glutAttachMenu( GLUT_RIGHT_BUTTON );
+
+   glutMouseFunc( mouse_clicked );
+   glutKeyboardFunc( key_pressed );
+
+   contour_cnt = 0;
+   mode = DEFINE;
+}
+
+static void reshape( GLsizei w, GLsizei h )
+{
+   glViewport( 0, 0, w, h );
+
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glOrtho( 0.0, (GLdouble)w, 0.0, (GLdouble)h, -1.0, 1.0 );
+
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+
+   set_screen_wh( w, h );
+}
+
+#endif
+
+
+static void usage( void )
+{
+   printf( "Use left mouse button to place vertices.\n" );
+   printf( "Press middle mouse button when done.\n" );
+   printf( "Select tesselate from the pop-up menu.\n" );
+}
+
+
+int main( int argc, char **argv )
+{
+   const char *version = (const char *) gluGetString( GLU_VERSION );
+   printf( "GLU version string: %s\n", version );
+   if ( strstr( version, "1.0" ) || strstr( version, "1.1" ) ) {
+      fprintf( stderr, "Sorry, this demo reqiures GLU 1.2 or later.\n" );
+      exit( 1 );
+   }
+
+   usage();
+
+   glutInit( &argc, argv );
+   glutInitDisplayMode( GLUT_SINGLE | GLUT_RGB );
+   glutInitWindowPosition(0, 0);
+   glutInitWindowSize( 400, 400 );
+   glutCreateWindow( argv[0] );
+
+   /* GH: Bit of a hack...
+    */
+#ifdef GLU_VERSION_1_2
+   myinit();
+
+   glutDisplayFunc( display );
+   glutReshapeFunc( reshape );
+
+   glutMainLoop();
+#endif
+
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/texcyl.c b/nx-X11/extras/Mesa_6.4.2/progs/demos/texcyl.c
new file mode 100644
index 000000000..c04d5004e
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/texcyl.c
@@ -0,0 +1,288 @@
+
+/*
+ * Textured cylinder demo: lighting, texturing, reflection mapping.
+ *
+ * Command line options:
+ *    -info      print GL implementation information
+ *
+ *
+ * Brian Paul  May 1997  This program is in the public domain.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <string.h>
+#include <GL/glut.h>
+
+#include "readtex.h"
+
+#define TEXTURE_FILE "../images/reflect.rgb"
+
+#define LIT 1
+#define TEXTURED 2
+#define REFLECT 3
+#define ANIMATE 10
+#define POINT_FILTER 20
+#define LINEAR_FILTER 21
+#define QUIT 100
+
+static GLuint CylinderObj = 0;
+static GLboolean Animate = GL_TRUE;
+
+static GLfloat Xrot = 0.0, Yrot = 0.0, Zrot = 0.0;
+static GLfloat DXrot = 50.0, DYrot = 125.0;
+
+/* performance info */
+static GLint T0 = 0;
+static GLint Frames = 0;
+
+
+static void Idle( void )
+{
+   static double t0 = -1.;
+   double dt, t = glutGet(GLUT_ELAPSED_TIME) / 1000.0;
+   if (t0 < 0.0)
+      t0 = t;
+   dt = t - t0;
+   t0 = t;
+
+   if (Animate) {
+      Xrot += DXrot * dt;
+      Yrot += DYrot * dt;
+      glutPostRedisplay();
+   }
+}
+
+
+static void Display( void )
+{
+   glClear( GL_COLOR_BUFFER_BIT );
+
+   glPushMatrix();
+   glRotatef(Xrot, 1.0, 0.0, 0.0);
+   glRotatef(Yrot, 0.0, 1.0, 0.0);
+   glRotatef(Zrot, 0.0, 0.0, 1.0);
+   glScalef(5.0, 5.0, 5.0);
+   glCallList(CylinderObj);
+
+   glPopMatrix();
+
+   glutSwapBuffers();
+
+   if (Animate) {
+      GLint t = glutGet(GLUT_ELAPSED_TIME);
+      Frames++;
+      if (t - T0 >= 5000) {
+         GLfloat seconds = (t - T0) / 1000.0;
+         GLfloat fps = Frames / seconds;
+         printf("%d frames in %g seconds = %g FPS\n", Frames, seconds, fps);
+         T0 = t;
+         Frames = 0;
+      }
+   }
+}
+
+
+static void Reshape( int width, int height )
+{
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glFrustum( -1.0, 1.0, -1.0, 1.0, 10.0, 100.0 );
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   glTranslatef( 0.0, 0.0, -70.0 );
+}
+
+
+static void SetMode(GLuint m)
+{
+   /* disable everything */
+   glDisable(GL_LIGHTING);
+   glDisable(GL_TEXTURE_2D);
+   glDisable(GL_TEXTURE_GEN_S);
+   glDisable(GL_TEXTURE_GEN_T);
+
+   /* enable what's needed */
+   if (m==LIT) {
+      glEnable(GL_LIGHTING);
+   }
+   else if (m==TEXTURED) {
+      glEnable(GL_TEXTURE_2D);
+   }
+   else if (m==REFLECT) {
+      glEnable(GL_TEXTURE_2D);
+      glEnable(GL_TEXTURE_GEN_S);
+      glEnable(GL_TEXTURE_GEN_T);
+   }
+}
+
+
+static void ModeMenu(int entry)
+{
+   if (entry==ANIMATE) {
+      Animate = !Animate;
+      if (Animate)
+         glutIdleFunc(Idle);
+      else
+         glutIdleFunc(NULL);
+   }
+   else if (entry==POINT_FILTER) {
+      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+   }
+   else if (entry==LINEAR_FILTER) {
+      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+   }
+   else if (entry==QUIT) {
+      exit(0);
+   }
+   else {
+      SetMode(entry);
+   }
+   glutPostRedisplay();
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case ' ':
+      Animate = !Animate;
+      if (Animate)
+         glutIdleFunc(Idle);
+      else
+         glutIdleFunc(NULL);
+      break;
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void SpecialKey( int key, int x, int y )
+{
+   float step = 3.0;
+   (void) x;
+   (void) y;
+
+   switch (key) {
+      case GLUT_KEY_UP:
+         Xrot += step;
+         break;
+      case GLUT_KEY_DOWN:
+         Xrot -= step;
+         break;
+      case GLUT_KEY_LEFT:
+         Yrot += step;
+         break;
+      case GLUT_KEY_RIGHT:
+         Yrot -= step;
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void Init( int argc, char *argv[] )
+{
+   GLUquadricObj *q = gluNewQuadric();
+   CylinderObj = glGenLists(1);
+   glNewList(CylinderObj, GL_COMPILE);
+
+   glTranslatef(0.0, 0.0, -1.0);
+
+   /* cylinder */
+   gluQuadricNormals(q, GL_SMOOTH);
+   gluQuadricTexture(q, GL_TRUE);
+   gluCylinder(q, 0.6, 0.6, 2.0, 24, 1);
+
+   /* end cap */
+   glTranslatef(0.0, 0.0, 2.0);
+   gluDisk(q, 0.0, 0.6, 24, 1);
+
+   /* other end cap */
+   glTranslatef(0.0, 0.0, -2.0);
+   gluQuadricOrientation(q, GLU_INSIDE);
+   gluDisk(q, 0.0, 0.6, 24, 1);
+
+   glEndList();
+   gluDeleteQuadric(q);
+
+   /* lighting */
+   glEnable(GL_LIGHTING);
+   {
+      GLfloat gray[4] = {0.2, 0.2, 0.2, 1.0};
+      GLfloat white[4] = {1.0, 1.0, 1.0, 1.0};
+      GLfloat teal[4] = { 0.0, 1.0, 0.8, 1.0 };
+      glMaterialfv(GL_FRONT, GL_DIFFUSE, teal);
+      glLightfv(GL_LIGHT0, GL_AMBIENT, gray);
+      glLightfv(GL_LIGHT0, GL_DIFFUSE, white);
+      glEnable(GL_LIGHT0);
+   }
+
+   /* fitering = nearest, initially */
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+
+   glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
+   glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST);
+
+   glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);
+   glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);
+
+   if (!LoadRGBMipmaps(TEXTURE_FILE, GL_RGB)) {
+      printf("Error: couldn't load texture image\n");
+      exit(1);
+   }
+
+   glEnable(GL_CULL_FACE);  /* don't need Z testing for convex objects */
+
+   SetMode(LIT);
+
+   if (argc > 1 && strcmp(argv[1], "-info")==0) {
+      printf("GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+      printf("GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+      printf("GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+      printf("GL_EXTENSIONS = %s\n", (char *) glGetString(GL_EXTENSIONS));
+   }
+}
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowSize( 400, 400 );
+   glutInitWindowPosition( 0, 0 );
+
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
+
+   glutCreateWindow(argv[0] );
+
+   Init(argc, argv);
+
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutSpecialFunc( SpecialKey );
+   glutDisplayFunc( Display );
+   glutIdleFunc( Idle );
+
+   glutCreateMenu(ModeMenu);
+   glutAddMenuEntry("Lit", LIT);
+   glutAddMenuEntry("Textured", TEXTURED);
+   glutAddMenuEntry("Reflect", REFLECT);
+   glutAddMenuEntry("Point Filtered", POINT_FILTER);
+   glutAddMenuEntry("Linear Filtered", LINEAR_FILTER);
+   glutAddMenuEntry("Toggle Animation", ANIMATE);
+   glutAddMenuEntry("Quit", QUIT);
+   glutAttachMenu(GLUT_RIGHT_BUTTON);
+
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/texdown.c b/nx-X11/extras/Mesa_6.4.2/progs/demos/texdown.c
new file mode 100644
index 000000000..79525a039
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/texdown.c
@@ -0,0 +1,403 @@
+
+/*
+ * Copyright (C) 1999  Brian Paul   All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+/*
+ * texdown
+ *
+ * Measure texture download speed.
+ * Use keyboard to change texture size, format, datatype, scale/bias,
+ * subimageload, etc.
+ *
+ * Brian Paul  28 January 2000
+ */
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <GL/glut.h>
+
+
+static GLsizei MaxSize = 1024;
+static GLsizei TexWidth = 256, TexHeight = 256, TexBorder = 0;
+static GLboolean ScaleAndBias = GL_FALSE;
+static GLboolean SubImage = GL_FALSE;
+static GLdouble DownloadRate = 0.0;  /* texels/sec */
+
+static GLuint Mode = 0;
+
+
+struct FormatRec {
+   GLenum Format;
+   GLenum Type;
+   GLenum IntFormat;
+   GLint TexelSize;
+};
+
+
+static const struct FormatRec FormatTable[] = {
+  /* Format   Type                         IntFormat   TexelSize */
+   { GL_BGRA, GL_UNSIGNED_BYTE,            GL_RGBA,        4    },
+   { GL_RGB,  GL_UNSIGNED_BYTE,            GL_RGB,         3    },
+   { GL_RGBA, GL_UNSIGNED_BYTE,            GL_RGBA,        4    },
+   { GL_RGBA, GL_UNSIGNED_BYTE,            GL_RGB,         4    },
+   { GL_RGB,  GL_UNSIGNED_SHORT_5_6_5,     GL_RGB,         2    },
+   { GL_LUMINANCE, GL_UNSIGNED_BYTE,       GL_LUMINANCE,   1    },
+   { GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE, GL_LUMINANCE_ALPHA,   2    },
+   { GL_ALPHA, GL_UNSIGNED_BYTE,           GL_ALPHA,       1    },
+};
+static GLint Format;
+
+#define NUM_FORMATS (sizeof(FormatTable)/sizeof(FormatTable[0]))
+
+static int
+BytesPerTexel(GLint format)
+{
+   return FormatTable[format].TexelSize;
+}
+
+
+static const char *
+FormatStr(GLenum format)
+{
+   switch (format) {
+      case GL_RGB:
+         return "GL_RGB";
+      case GL_RGBA:
+         return "GL_RGBA";
+      case GL_BGRA:
+         return "GL_BGRA";
+      case GL_LUMINANCE:
+         return "GL_LUMINANCE";
+      case GL_LUMINANCE_ALPHA:
+         return "GL_LUMINANCE_ALPHA";
+      case GL_ALPHA:
+         return "GL_ALPHA";
+      default:
+         return "";
+   }
+}
+
+
+static const char *
+TypeStr(GLenum type)
+{
+   switch (type) {
+      case GL_UNSIGNED_BYTE:
+         return "GL_UNSIGNED_BYTE";
+      case GL_UNSIGNED_SHORT:
+         return "GL_UNSIGNED_SHORT";
+      case GL_UNSIGNED_SHORT_5_6_5:
+         return "GL_UNSIGNED_SHORT_5_6_5";
+      case GL_UNSIGNED_SHORT_5_6_5_REV:
+         return "GL_UNSIGNED_SHORT_5_6_5_REV";
+      default:
+         return "";
+   }
+}
+
+
+static void
+MeasureDownloadRate(void)
+{
+   const int w = TexWidth + 2 * TexBorder;
+   const int h = TexHeight + 2 * TexBorder;
+   const int bytes = w * h * BytesPerTexel(Format);
+   GLubyte *texImage, *getImage;
+   GLdouble t0, t1, time;
+   int count;
+   int i;
+
+   texImage = (GLubyte *) malloc(bytes);
+   getImage = (GLubyte *) malloc(bytes);
+   if (!texImage || !getImage) {
+      DownloadRate = 0.0;
+      return;
+   }
+
+   for (i = 0; i < bytes; i++) {
+      texImage[i] = i & 0xff;
+   }
+
+   glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+   glPixelStorei(GL_PACK_ALIGNMENT, 1);
+
+   if (ScaleAndBias) {
+      glPixelTransferf(GL_RED_SCALE, 0.5);
+      glPixelTransferf(GL_GREEN_SCALE, 0.5);
+      glPixelTransferf(GL_BLUE_SCALE, 0.5);
+      glPixelTransferf(GL_RED_BIAS, 0.5);
+      glPixelTransferf(GL_GREEN_BIAS, 0.5);
+      glPixelTransferf(GL_BLUE_BIAS, 0.5);
+   }
+   else {
+      glPixelTransferf(GL_RED_SCALE, 1.0);
+      glPixelTransferf(GL_GREEN_SCALE, 1.0);
+      glPixelTransferf(GL_BLUE_SCALE, 1.0);
+      glPixelTransferf(GL_RED_BIAS, 0.0);
+      glPixelTransferf(GL_GREEN_BIAS, 0.0);
+      glPixelTransferf(GL_BLUE_BIAS, 0.0);
+   }
+
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+   glEnable(GL_TEXTURE_2D);
+
+   count = 0;
+   t0 = glutGet(GLUT_ELAPSED_TIME) * 0.001;
+   do {
+      if (SubImage && count > 0) {
+         glTexSubImage2D(GL_TEXTURE_2D, 0, -TexBorder, -TexBorder, w, h,
+                         FormatTable[Format].Format,
+                         FormatTable[Format].Type, texImage);
+      }
+      else {
+         glTexImage2D(GL_TEXTURE_2D, 0,
+                      FormatTable[Format].IntFormat, w, h, TexBorder,
+                      FormatTable[Format].Format,
+                      FormatTable[Format].Type, texImage);
+      }
+
+      /* draw a tiny polygon to force texture into texram */
+      glBegin(GL_TRIANGLES);
+      glTexCoord2f(0, 0);     glVertex2f(1, 1);
+      glTexCoord2f(1, 0);     glVertex2f(3, 1);
+      glTexCoord2f(0.5, 1);   glVertex2f(2, 3);
+      glEnd();
+
+      t1 = glutGet(GLUT_ELAPSED_TIME) * 0.001;
+      time = t1 - t0;
+      count++;
+   } while (time < 3.0);
+
+   glDisable(GL_TEXTURE_2D);
+
+   printf("w*h=%d  count=%d  time=%f\n", w*h, count, time);
+   DownloadRate = w * h * count / time;
+
+#if 0
+   if (!ScaleAndBias) {
+      /* verify texture readback */
+      glGetTexImage(GL_TEXTURE_2D, 0,
+                    FormatTable[Format].Format,
+                    FormatTable[Format].Type, getImage);
+      for (i = 0; i < w * h; i++) {
+         if (texImage[i] != getImage[i]) {
+            printf("[%d] %d != %d\n", i, texImage[i], getImage[i]);
+         }
+      }
+   }
+#endif
+
+   free(texImage);
+   free(getImage);
+
+   {
+      GLint err = glGetError();
+      if (err)
+         printf("GL error %d\n", err);
+   }
+}
+
+
+static void
+PrintString(const char *s)
+{
+   while (*s) {
+      glutBitmapCharacter(GLUT_BITMAP_8_BY_13, (int) *s);
+      s++;
+   }
+}
+
+
+static void
+Display(void)
+{
+   const int w = TexWidth + 2 * TexBorder;
+   const int h = TexHeight + 2 * TexBorder;
+   char s[1000];
+
+   glClear(GL_COLOR_BUFFER_BIT);
+
+   glRasterPos2i(10, 80);
+   sprintf(s, "Texture size[cursor]: %d x %d  Border[b]: %d", w, h, TexBorder);
+   PrintString(s);
+
+   glRasterPos2i(10, 65);
+   sprintf(s, "Format[f]: %s  Type: %s  IntFormat: %s",
+           FormatStr(FormatTable[Format].Format),
+           TypeStr(  FormatTable[Format].Type),
+           FormatStr(FormatTable[Format].IntFormat));
+   PrintString(s);
+
+   glRasterPos2i(10, 50);
+   sprintf(s, "Pixel Scale&Bias[p]: %s   TexSubImage[s]: %s",
+           ScaleAndBias ? "Yes" : "No",
+           SubImage ? "Yes" : "No");
+   PrintString(s);
+
+   if (Mode == 0) {
+      glRasterPos2i(200, 10);
+      sprintf(s, "...Measuring...");
+      PrintString(s);
+      glutSwapBuffers();
+      glutPostRedisplay();
+      Mode++;
+   }
+   else if (Mode == 1) {
+      MeasureDownloadRate();
+      glutPostRedisplay();
+      Mode++;
+   }
+   else {
+      /* show results */
+      glRasterPos2i(10, 10);
+      sprintf(s, "Download rate: %g Mtexels/second  %g MB/second",
+              DownloadRate / 1000000.0,
+              DownloadRate * BytesPerTexel(Format) / 1000000.0);
+      PrintString(s);
+      {
+         GLint r, g, b, a, l, i;
+         glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_RED_SIZE, &r);
+         glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_GREEN_SIZE, &g);
+         glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_BLUE_SIZE, &b);
+         glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_ALPHA_SIZE, &a);
+         glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_LUMINANCE_SIZE, &l);
+         glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_INTENSITY_SIZE, &i);
+         sprintf(s, "TexelBits: R=%d G=%d B=%d A=%d L=%d I=%d", r, g, b, a, l, i);
+         glRasterPos2i(10, 25);
+         PrintString(s);
+      }
+
+      glutSwapBuffers();
+   }
+}
+
+
+static void
+Reshape(int width, int height)
+{
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glOrtho(0, width, 0, height, -1, 1);
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+}
+
+
+
+static void
+Key(unsigned char key, int x, int y)
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case ' ':
+         Mode = 0;
+         break;
+      case 'b':
+         /* toggle border */
+         TexBorder = 1 - TexBorder;
+         Mode = 0;
+         break;
+      case 'f':
+         /* change format */
+         Format = (Format + 1) % NUM_FORMATS;
+         Mode = 0;
+         break;
+      case 'F':
+         /* change format */
+         Format = (Format - 1) % NUM_FORMATS;
+         Mode = 0;
+         break;
+      case 'p':
+         /* toggle border */
+         ScaleAndBias = !ScaleAndBias;
+         Mode = 0;
+         break;
+      case 's':
+         SubImage = !SubImage;
+         Mode = 0;
+         break;
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void
+SpecialKey(int key, int x, int y)
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case GLUT_KEY_UP:
+         if (TexHeight < MaxSize)
+            TexHeight *= 2;
+         break;
+      case GLUT_KEY_DOWN:
+         if (TexHeight > 1)
+            TexHeight /= 2;
+         break;
+      case GLUT_KEY_LEFT:
+         if (TexWidth > 1)
+            TexWidth /= 2;
+         break;
+      case GLUT_KEY_RIGHT:
+         if (TexWidth < MaxSize)
+            TexWidth *= 2;
+         break;
+   }
+   Mode = 0;
+   glutPostRedisplay();
+}
+
+
+static void
+Init(void)
+{
+   printf("GL_VENDOR = %s\n", (const char *) glGetString(GL_VENDOR));
+   printf("GL_VERSION = %s\n", (const char *) glGetString(GL_VERSION));
+   printf("GL_RENDERER = %s\n", (const char *) glGetString(GL_RENDERER));
+}
+
+
+int
+main(int argc, char *argv[])
+{
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( 600, 100 );
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
+   glutCreateWindow(argv[0]);
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutSpecialFunc( SpecialKey );
+   glutDisplayFunc( Display );
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/texenv.c b/nx-X11/extras/Mesa_6.4.2/progs/demos/texenv.c
new file mode 100644
index 000000000..590867b49
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/texenv.c
@@ -0,0 +1,815 @@
+
+/* Copyright (c) Mark J. Kilgard, 1994. */
+
+/**
+ * (c) Copyright 1993, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ * Demonstrates texture environment modes and internal image formats.
+ */
+
+/*
+ * Hacked on, updated by Gareth Hughes <gareth@valinux.com>
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <GL/glut.h>
+
+#undef max
+#undef min
+#define max( a, b )	((a) >= (b) ? (a) : (b))
+#define min( a, b )	((a) <= (b) ? (a) : (b))
+
+GLfloat lightCheck[4] = { 0.7, 0.7, 0.7, 1.0 };
+GLfloat darkCheck[4] = { 0.3, 0.3, 0.3, 1.0 };
+
+GLfloat labelColor0[4] = { 1.0, 1.0, 1.0, 1.0 };
+GLfloat labelColor1[4] = { 1.0, 1.0, 0.4, 1.0 };
+GLfloat *labelInfoColor = labelColor0;
+GLfloat labelLevelColor0[4] = { 0.8, 0.8, 0.1, 1.0 };
+GLfloat labelLevelColor1[4] = { 0.0, 0.0, 0.0, 1.0 };
+
+GLboolean doubleBuffered = GL_TRUE;
+GLboolean drawBackground = GL_FALSE;
+GLboolean drawBlended = GL_TRUE;
+GLboolean drawSmooth = GL_FALSE;
+GLboolean drawTextured = GL_TRUE;
+GLboolean displayLevelInfo = GL_FALSE;
+
+int textureWidth = 64;
+int textureHeight = 64;
+
+int winWidth = 580, winHeight = 720;
+
+struct formatInfo {
+   GLenum	baseFormat;
+   GLenum	internalFormat;
+   char		*name;
+};
+
+#define NUM_LUMINANCE_FORMATS	(sizeof(luminanceFormats) / sizeof(luminanceFormats[0]))
+struct formatInfo luminanceFormats[] =
+{
+   { GL_LUMINANCE, GL_LUMINANCE, "LUMINANCE" },
+   { GL_LUMINANCE, GL_LUMINANCE4, "LUMINANCE4" },
+   { GL_LUMINANCE, GL_LUMINANCE8, "LUMINANCE8" },
+   { GL_LUMINANCE, GL_LUMINANCE12, "LUMINANCE12" },
+   { GL_LUMINANCE, GL_LUMINANCE16, "LUMINANCE16" },
+};
+
+#define NUM_ALPHA_FORMATS	(sizeof(alphaFormats) / sizeof(alphaFormats[0]))
+struct formatInfo alphaFormats[] =
+{
+   { GL_ALPHA, GL_ALPHA, "ALPHA" },
+   { GL_ALPHA, GL_ALPHA4, "ALPHA4" },
+   { GL_ALPHA, GL_ALPHA8, "ALPHA8" },
+   { GL_ALPHA, GL_ALPHA12, "ALPHA12" },
+   { GL_ALPHA, GL_ALPHA16, "ALPHA16" },
+};
+
+#define NUM_INTENSITY_FORMATS	(sizeof(intensityFormats) / sizeof(intensityFormats[0]))
+struct formatInfo intensityFormats[] =
+{
+   { GL_INTENSITY, GL_INTENSITY, "INTENSITY" },
+   { GL_INTENSITY, GL_INTENSITY4, "INTENSITY4" },
+   { GL_INTENSITY, GL_INTENSITY8, "INTENSITY8" },
+   { GL_INTENSITY, GL_INTENSITY12, "INTENSITY12" },
+   { GL_INTENSITY, GL_INTENSITY16, "INTENSITY16" },
+};
+
+#define NUM_LUMINANCE_ALPHA_FORMATS	(sizeof(luminanceAlphaFormats) / sizeof(luminanceAlphaFormats[0]))
+struct formatInfo luminanceAlphaFormats[] =
+{
+   { GL_LUMINANCE_ALPHA, GL_LUMINANCE_ALPHA, "LUMINANCE_ALPHA" },
+   { GL_LUMINANCE_ALPHA, GL_LUMINANCE4_ALPHA4, "LUMINANCE4_ALPHA4" },
+   { GL_LUMINANCE_ALPHA, GL_LUMINANCE6_ALPHA2, "LUMINANCE6_ALPHA2" },
+   { GL_LUMINANCE_ALPHA, GL_LUMINANCE8_ALPHA8, "LUMINANCE8_ALPHA8" },
+   { GL_LUMINANCE_ALPHA, GL_LUMINANCE12_ALPHA4, "LUMINANCE12_ALPHA4" },
+   { GL_LUMINANCE_ALPHA, GL_LUMINANCE12_ALPHA12, "LUMINANCE12_ALPHA12" },
+   { GL_LUMINANCE_ALPHA, GL_LUMINANCE16_ALPHA16, "LUMINANCE16_ALPHA16" },
+};
+
+#define NUM_RGB_FORMATS		(sizeof(rgbFormats) / sizeof(rgbFormats[0]))
+struct formatInfo rgbFormats[] =
+{
+   { GL_RGB, GL_RGB, "RGB" },
+   { GL_RGB, GL_R3_G3_B2, "R3_G3_B2" },
+   { GL_RGB, GL_RGB4, "RGB4" },
+   { GL_RGB, GL_RGB5, "RGB5" },
+   { GL_RGB, GL_RGB8, "RGB8" },
+   { GL_RGB, GL_RGB10, "RGB10" },
+   { GL_RGB, GL_RGB12, "RGB12" },
+   { GL_RGB, GL_RGB16, "RGB16" },
+};
+
+#define NUM_RGBA_FORMATS	(sizeof(rgbaFormats) / sizeof(rgbaFormats[0]))
+struct formatInfo rgbaFormats[] =
+{
+   { GL_RGBA, GL_RGBA, "RGBA" },
+   { GL_RGBA, GL_RGBA2, "RGBA2" },
+   { GL_RGBA, GL_RGBA4, "RGBA4" },
+   { GL_RGBA, GL_RGB5_A1, "RGB5_A1" },
+   { GL_RGBA, GL_RGBA8, "RGBA8" },
+   { GL_RGBA, GL_RGB10_A2, "RGB10_A2" },
+   { GL_RGBA, GL_RGBA12, "RGBA12" },
+   { GL_RGBA, GL_RGBA16, "RGBA16" },
+};
+
+struct baseFormatInfo {
+   struct	formatInfo *format;
+   int		current, number;
+};
+
+#define NUM_BASE_FORMATS	(sizeof(baseFormats) / sizeof(baseFormats[0]))
+int baseFormat;
+struct baseFormatInfo baseFormats[] =
+{
+   { luminanceFormats, 0, NUM_LUMINANCE_FORMATS },
+   { alphaFormats, 0, NUM_ALPHA_FORMATS },
+   { intensityFormats, 0, NUM_INTENSITY_FORMATS },
+   { luminanceAlphaFormats, 0, NUM_LUMINANCE_ALPHA_FORMATS },
+   { rgbFormats, 0, NUM_RGB_FORMATS },
+   { rgbaFormats, 0, NUM_RGBA_FORMATS },
+};
+
+#define NUM_ENV_COLORS		(sizeof(envColors) / sizeof(envColors[0]))
+int envColor = 0;
+GLfloat envColors[][4] =
+{
+   { 0.0, 0.0, 0.0, 1.0 },
+   { 1.0, 0.0, 0.0, 1.0 },
+   { 0.0, 1.0, 0.0, 1.0 },
+   { 0.0, 0.0, 1.0, 1.0 },
+   { 1.0, 1.0, 1.0, 1.0 },
+};
+
+struct envModeInfo {
+   GLenum	mode;
+   char		*name;
+};
+
+/* allow for run-time check for GL_EXT_texture_env_add */
+int NUM_ENV_MODES = 5;
+struct envModeInfo envModes[] =
+{
+   { GL_REPLACE, "REPLACE" },
+   { GL_MODULATE, "MODULATE" },
+   { GL_BLEND, "BLEND" },
+   { GL_DECAL, "DECAL" },
+#if GL_EXT_texture_env_add
+   { GL_ADD, "ADD" },
+#endif
+};
+
+static void checkErrors( void )
+{
+   GLenum error;
+
+   while ( (error = glGetError()) != GL_NO_ERROR ) {
+      fprintf( stderr, "Error: %s\n", (char *) gluErrorString( error ) );
+   }
+}
+
+static void drawString( const char *string, GLfloat x, GLfloat y,
+                        const GLfloat color[4] )
+{
+   glColor4fv( color );
+   glRasterPos2f( x, y );
+
+   while ( *string ) {
+      glutBitmapCharacter( GLUT_BITMAP_TIMES_ROMAN_10, *string );
+      string++;
+   }
+}
+
+static void drawStringOutline( const char *string, GLfloat x, GLfloat y,
+			       const GLfloat color[4],
+                               const GLfloat outline[4] )
+{
+   drawString( string, x - 1, y, outline );
+   drawString( string, x + 1, y, outline );
+   drawString( string, x, y - 1, outline );
+   drawString( string, x, y + 1, outline );
+   drawString( string, x, y, color );
+}
+
+static void begin2D( int width, int height )
+{
+   glMatrixMode( GL_PROJECTION );
+
+   glPushMatrix();
+   glLoadIdentity();
+
+   glOrtho( 0, width, 0, height, -1, 1 );
+   glMatrixMode( GL_MODELVIEW );
+
+   glPushMatrix();
+   glLoadIdentity();
+}
+
+static void end2D( void )
+{
+   glMatrixMode( GL_PROJECTION );
+   glPopMatrix();
+   glMatrixMode( GL_MODELVIEW );
+   glPopMatrix();
+}
+
+static void initialize( void )
+{
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+
+   glOrtho( -1.5, 1.5, -1.5, 1.5, -1.5, 1.5 );
+
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+
+   glShadeModel( GL_FLAT );
+}
+
+/* ARGSUSED1 */
+static void keyboard( unsigned char c, int x, int y )
+{
+   switch ( c ) {
+   case 'c':
+      envColor++;
+      envColor = envColor % (int) NUM_ENV_COLORS;
+      break;
+   case 'g':
+      drawBackground = !drawBackground;
+      break;
+   case 'b':
+      drawBlended = !drawBlended;
+      break;
+   case 's':
+      drawSmooth = !drawSmooth;
+      break;
+   case 't':
+      drawTextured = !drawTextured;
+      break;
+   case 'i':
+      displayLevelInfo = !displayLevelInfo;
+      break;
+   case 27:             /* Escape key should force exit. */
+      exit(0);
+      break;
+   default:
+      break;
+   }
+   glutPostRedisplay();
+}
+
+/* ARGSUSED1 */
+static void special( int key, int x, int y )
+{
+   switch ( key ) {
+   case GLUT_KEY_DOWN:
+      if ( ++baseFormat > NUM_BASE_FORMATS - 1 ) {
+	 baseFormat = 0;
+      }
+      break;
+   case GLUT_KEY_UP:
+      if ( --baseFormat < 0 ) {
+	 baseFormat = NUM_BASE_FORMATS - 1;
+      }
+      break;
+   case GLUT_KEY_LEFT:
+      --baseFormats[baseFormat].current;
+      if ( baseFormats[baseFormat].current < 0 ) {
+	 baseFormats[baseFormat].current = baseFormats[baseFormat].number - 1;
+      }
+      break;
+   case GLUT_KEY_RIGHT:
+      ++baseFormats[baseFormat].current;
+      if ( baseFormats[baseFormat].current > baseFormats[baseFormat].number - 1 ) {
+	 baseFormats[baseFormat].current = 0;
+      }
+      break;
+   default:
+      break;
+   }
+   glutPostRedisplay();
+}
+
+static void
+reshape( int w, int h )
+{
+   winWidth = w;
+   winHeight = h;
+   /* No need to call glViewPort here since "draw" calls it! */
+}
+
+static void loadTexture( int width, int height,
+                         const struct formatInfo *format )
+{
+   int		luminanceSize = 0;
+   int		alphaSize = 0;
+   int		rgbSize = 0;
+   GLenum	textureFormat;
+   GLubyte	*texImage, *p;
+   int		elementsPerGroup, elementSize, groupSize, rowSize;
+   int		i, j;
+
+   switch ( format->baseFormat ) {
+   case GL_LUMINANCE:
+      luminanceSize = 1;
+      textureFormat = GL_LUMINANCE;
+      break;
+   case GL_INTENSITY:
+      luminanceSize = 1;
+      /* Note: format=GL_INTENSITY for glTexImage is not legal */
+      textureFormat = GL_LUMINANCE;
+      break;
+   case GL_ALPHA:
+      alphaSize = 1;
+      textureFormat = GL_ALPHA;
+      break;
+   case GL_LUMINANCE_ALPHA:
+      luminanceSize = 1;
+      alphaSize = 1;
+      textureFormat = GL_LUMINANCE_ALPHA;
+      break;
+   case GL_RGB:
+      rgbSize = 3;
+      textureFormat = GL_RGB;
+      break;
+   case GL_RGBA:
+      rgbSize = 3;
+      alphaSize = 1;
+      textureFormat = GL_RGBA;
+      break;
+   default:
+      fprintf(stderr, "bad internal format info\n");
+      return;
+   }
+
+   elementsPerGroup = luminanceSize + alphaSize + rgbSize;
+   elementSize = sizeof(GLubyte);
+   groupSize = elementsPerGroup * elementSize;
+   rowSize = width * groupSize;
+
+   if ( (texImage = (GLubyte *) malloc( height * rowSize ) ) == NULL ) {
+      fprintf( stderr, "texture malloc failed\n" );
+      return;
+   }
+
+   for ( i = 0 ; i < height ; i++ )
+   {
+      p = texImage + i * rowSize;
+
+      for ( j = 0 ; j < width ; j++ )
+      {
+	 if ( luminanceSize > 0 )
+	 {
+	    /**
+	     ** +-----+-----+
+	     ** |     |     |
+	     ** |  W  | LG  |
+	     ** |     |     |
+	     ** +-----+-----+
+	     ** |     |     |
+	     ** | DG  |  B  |
+	     ** |     |     |
+	     ** +-----+-----+
+	     **/
+	    if ( i > height / 2 ) {
+	       if ( j < width / 2 ) {
+		  p[0] = 0xff;
+	       } else {
+		  p[0] = 0xaa;
+	       }
+	    } else {
+	       if ( j < width / 2 ) {
+		  p[0] = 0x55;
+	       } else {
+		  p[0] = 0x00;
+	       }
+	    }
+	    p += elementSize;
+	 }
+
+	 if ( rgbSize > 0 )
+	 {
+	    /**
+	     ** +-----+-----+
+	     ** |     |     |
+	     ** |  R  |  G  |
+	     ** |     |     |
+	     ** +-----+-----+
+	     ** |     |     |
+	     ** |  Y  |  B  |
+	     ** |     |     |
+	     ** +-----+-----+
+	     **/
+	    if ( i > height / 2 ) {
+	       if ( j < width / 2 ) {
+		  p[0] = 0xff;
+		  p[1] = 0x00;
+		  p[2] = 0x00;
+	       } else {
+		  p[0] = 0x00;
+		  p[1] = 0xff;
+		  p[2] = 0x00;
+	       }
+	    } else {
+	       if ( j < width / 2 ) {
+		  p[0] = 0xff;
+		  p[1] = 0xff;
+		  p[2] = 0x00;
+	       } else {
+		  p[0] = 0x00;
+		  p[1] = 0x00;
+		  p[2] = 0xff;
+	       }
+	    }
+	    p += 3 * elementSize;
+	 }
+
+	 if ( alphaSize > 0 )
+	 {
+	    /**
+	     ** +-----------+
+	     ** |     W     |
+	     ** |  +-----+  |
+	     ** |  |     |  |
+	     ** |  |  B  |  |
+	     ** |  |     |  |
+	     ** |  +-----+  |
+	     ** |           |
+	     ** +-----------+
+	     **/
+	    int i2 = i - height / 2;
+	    int j2 = j - width / 2;
+	    int h8 = height / 8;
+	    int w8 = width / 8;
+	    if ( -h8 <= i2 && i2 <= h8 && -w8 <= j2 && j2 <= w8 ) {
+	       p[0] = 0x00;
+	    } else if ( -2 * h8 <= i2 && i2 <= 2 * h8 && -2 * w8 <= j2 && j2 <= 2 * w8 ) {
+	       p[0] = 0x55;
+	    } else if ( -3 * h8 <= i2 && i2 <= 3 * h8 && -3 * w8 <= j2 && j2 <= 3 * w8 ) {
+	       p[0] = 0xaa;
+	    } else {
+	       p[0] = 0xff;
+	    }
+	    p += elementSize;
+	 }
+      }
+   }
+
+   glTexImage2D( GL_TEXTURE_2D, 0,
+		 format->internalFormat, width, height, 0,
+		 textureFormat, GL_UNSIGNED_BYTE, texImage );
+
+   free( texImage );
+}
+
+static void drawCheck( int w, int h, const GLfloat lightCheck[4],
+                       const GLfloat darkCheck[4] )
+{
+   float	dw = 2.0 / w;
+   float	dh = 2.0 / h;
+   int		i, j;
+
+   for ( i = 0 ; i < w ; i++ ) {
+      GLfloat x0 = -1.0 + i * dw;
+      GLfloat x1 = x0 + dw;
+
+      glBegin( GL_QUAD_STRIP );
+
+      for ( j = 0 ; j <= h ; j++ ) {
+	 GLfloat y = -1.0 + j * dh;
+
+	 if ( (i ^ j) & 1 ) {
+	    glColor4fv( lightCheck );
+	 } else {
+	    glColor4fv( darkCheck );
+	 }
+
+	 glVertex2f( x0, y );
+	 glVertex2f( x1, y );
+      }
+
+      glEnd();
+   }
+}
+
+static const char *lookupFormat( GLint format )
+{
+   switch ( format ) {
+   case GL_RGBA:
+      return "GL_RGBA";
+   case GL_RGB:
+      return "GL_RGB";
+   case GL_ALPHA:
+      return "GL_ALPHA";
+   case GL_LUMINANCE:
+      return "GL_LUMINANCE";
+   case GL_LUMINANCE_ALPHA:
+      return "GL_LUMINANCE_ALPHA";
+   case GL_INTENSITY:
+      return "GL_INTENSITY";
+   case GL_COLOR_INDEX:
+      return "GL_COLOR_INDEX";
+   case GL_BGRA:
+      return "GL_BGRA";
+   case GL_BGR:
+      return "GL_BGR";
+   default:
+      return "unknown format";
+   }
+}
+
+static void drawSample( int x, int y, int w, int h,
+			const struct formatInfo *format,
+                        const struct envModeInfo *envMode )
+{
+   glViewport( x, y, w, h );
+   glScissor( x, y, w, h );
+
+   glClearColor( 0.1, 0.1, 0.1, 1.0 );
+   glClear( GL_COLOR_BUFFER_BIT );
+
+   begin2D( w, h );
+   drawString( format->name, 10, h - 15, labelInfoColor );
+   drawString( envMode->name, 10, 5, labelInfoColor );
+   end2D();
+
+   glTexEnvi( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, envMode->mode );
+   glTexEnvfv( GL_TEXTURE_ENV, GL_TEXTURE_ENV_COLOR, envColors[envColor] );
+
+   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST );
+   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST );
+
+   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP );
+   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP );
+
+   loadTexture( textureWidth, textureHeight, format );
+
+   if ( drawBackground ) {
+      drawCheck( 15, 15, lightCheck, darkCheck );
+   }
+   if ( drawBlended ) {
+      glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
+      glEnable( GL_BLEND );
+   }
+   if ( drawSmooth ) {
+      glShadeModel( GL_SMOOTH );
+   }
+   else {
+      glShadeModel( GL_FLAT );
+      glColor4f(1, 1, 1, 1);
+   }
+   if ( drawTextured ) {
+      glEnable( GL_TEXTURE_2D );
+   }
+
+   /*
+    * if (drawSmooth) then draw quad which goes from purple at the
+    * bottom (100% alpha) to green at the top (50% alpha).
+    */
+   glBegin( GL_QUADS );
+      if ( drawSmooth )  glColor4f( 1.0, 0.0, 1.0, 1.0 );
+      glTexCoord2f( 0.0, 0.0 );
+      glVertex2f( -0.8, -0.8 );
+
+      if ( drawSmooth )  glColor4f( 1.0, 0.0, 1.0, 1.0 );
+      glTexCoord2f( 1.0, 0.0 );
+      glVertex2f( 0.8, -0.8 );
+
+      if ( drawSmooth )  glColor4f( 0.0, 1.0, 0.0, 0.5 );
+      glTexCoord2f( 1.0, 1.0 );
+      glVertex2f( 0.8, 0.8 );
+
+      if ( drawSmooth )  glColor4f( 0.0, 1.0, 0.0, 0.5 );
+      glTexCoord2f( 0.0, 1.0 );
+      glVertex2f( -0.8, 0.8 );
+   glEnd();
+
+   glDisable( GL_BLEND );
+   glShadeModel( GL_FLAT );
+   glDisable( GL_TEXTURE_2D );
+
+   if ( envMode->mode == GL_DECAL &&
+        (format->baseFormat == GL_ALPHA ||
+         format->baseFormat == GL_LUMINANCE ||
+         format->baseFormat == GL_LUMINANCE_ALPHA ||
+         format->baseFormat == GL_INTENSITY)) {
+      /* undefined format/mode combination */
+      begin2D( w, h );
+      drawStringOutline( "UNDEFINED MODE", 15, h / 2,
+                         labelLevelColor0, labelLevelColor1 );
+      end2D();
+   }
+   else if ( displayLevelInfo ) {
+      GLint width, height, border, format;
+      GLint redSize, greenSize, blueSize, alphaSize;
+      GLint luminanceSize, intensitySize;
+      char buf[255];
+
+      glGetTexLevelParameteriv( GL_TEXTURE_2D, 0, GL_TEXTURE_WIDTH, &width );
+      glGetTexLevelParameteriv( GL_TEXTURE_2D, 0, GL_TEXTURE_HEIGHT, &height );
+      glGetTexLevelParameteriv( GL_TEXTURE_2D, 0, GL_TEXTURE_BORDER, &border );
+      glGetTexLevelParameteriv( GL_TEXTURE_2D, 0, GL_TEXTURE_INTERNAL_FORMAT, &format );
+      glGetTexLevelParameteriv( GL_TEXTURE_2D, 0, GL_TEXTURE_RED_SIZE, &redSize );
+      glGetTexLevelParameteriv( GL_TEXTURE_2D, 0, GL_TEXTURE_GREEN_SIZE, &greenSize );
+      glGetTexLevelParameteriv( GL_TEXTURE_2D, 0, GL_TEXTURE_BLUE_SIZE, &blueSize );
+      glGetTexLevelParameteriv( GL_TEXTURE_2D, 0, GL_TEXTURE_ALPHA_SIZE, &alphaSize );
+      glGetTexLevelParameteriv( GL_TEXTURE_2D, 0, GL_TEXTURE_LUMINANCE_SIZE, &luminanceSize );
+      glGetTexLevelParameteriv( GL_TEXTURE_2D, 0, GL_TEXTURE_INTENSITY_SIZE, &intensitySize );
+
+      begin2D( w, h );
+      sprintf( buf, "dimensions: %d x %d", width, height );
+      drawStringOutline( buf, 15, h / 2 + 20, labelLevelColor0, labelLevelColor1 );
+
+      sprintf( buf, "border: %d", border );
+      drawStringOutline( buf, 15, h / 2 + 10, labelLevelColor0, labelLevelColor1 );
+
+      sprintf( buf, "internal format:" );
+      drawStringOutline( buf, 15, h / 2, labelLevelColor0, labelLevelColor1 );
+
+      sprintf( buf, "  %s",  lookupFormat( format ) );
+      drawStringOutline( buf, 15, h / 2 - 10, labelLevelColor0, labelLevelColor1 );
+
+      sprintf( buf, "sizes:" );
+      drawStringOutline( buf, 15, h / 2 - 20, labelLevelColor0, labelLevelColor1 );
+
+      sprintf( buf, "  %d / %d / %d / %d / %d / %d",
+	       redSize, greenSize, blueSize, alphaSize,
+	       luminanceSize, intensitySize );
+      drawStringOutline( buf, 15, h / 2 - 30, labelLevelColor0, labelLevelColor1 );
+
+      end2D();
+   }
+}
+
+static void display( void )
+{
+   int		numX = NUM_ENV_MODES, numY = NUM_BASE_FORMATS;
+   float	xBase = (float) winWidth * 0.01;
+   float	xOffset = (winWidth - xBase) / numX;
+   float	xSize = max( xOffset - xBase, 1 );
+   float	yBase = (float) winHeight * 0.01;
+   float	yOffset = (winHeight - yBase) / numY;
+   float	ySize = max( yOffset - yBase, 1 );
+   float	x, y;
+   int		i, j;
+
+   glViewport( 0, 0, winWidth, winHeight );
+   glDisable( GL_SCISSOR_TEST );
+   glClearColor( 0.0, 0.0, 0.0, 0.0 );
+   glClear( GL_COLOR_BUFFER_BIT );
+   glEnable( GL_SCISSOR_TEST );
+
+   x = xBase;
+   y = (winHeight - 1) - yOffset;
+
+   for ( i = 0 ; i < NUM_BASE_FORMATS ; i++ )
+   {
+      struct formatInfo *format;
+
+      if ( i == baseFormat ) {
+	 labelInfoColor = labelColor1;
+      } else {
+	 labelInfoColor = labelColor0;
+      }
+
+      format = &baseFormats[i].format[baseFormats[i].current];
+
+      for ( j = 0 ; j < NUM_ENV_MODES ; j++ ) {
+	 struct envModeInfo *envMode;
+
+	 envMode = &envModes[j];
+	 drawSample( x, y, xSize, ySize, format, envMode );
+	 x += xOffset;
+      }
+
+      x = xBase;
+      y -= yOffset;
+   }
+
+   if ( doubleBuffered ) {
+      glutSwapBuffers();
+   } else {
+      glFlush();
+   }
+
+   checkErrors();
+}
+
+static void usage( char *name )
+{
+   fprintf( stderr, "usage: %s [ options ]\n", name );
+   fprintf( stderr, "\n" );
+   fprintf( stderr, "options:\n" );
+   fprintf( stderr, "    -sb    single buffered\n" );
+   fprintf( stderr, "    -db    double buffered\n" );
+   fprintf( stderr, "    -info  print OpenGL driver info\n" );
+}
+
+static void instructions( void )
+{
+   fprintf( stderr, "texenv - texture environment and internal format test\n" );
+   fprintf( stderr, "\n" );
+   fprintf( stderr, "  [c] - cycle through background colors\n" );
+   fprintf( stderr, "  [g] - toggle background\n" );
+   fprintf( stderr, "  [b] - toggle blend\n" );
+   fprintf( stderr, "  [s] - toggle smooth shading\n" );
+   fprintf( stderr, "  [t] - toggle texturing\n" );
+   fprintf( stderr, "  [i] - toggle information display\n" );
+   fprintf( stderr, "  up/down - select row\n" );
+   fprintf( stderr, "  left/right - change row's internal format\n" );
+}
+
+int main( int argc, char *argv[] )
+{
+   GLboolean info = GL_FALSE;
+   int i;
+
+   glutInit( &argc, argv );
+
+   for ( i = 1 ; i < argc ; i++ ) {
+      if ( !strcmp( "-sb", argv[i] ) ) {
+	 doubleBuffered = GL_FALSE;
+      } else if ( !strcmp( "-db", argv[i] ) ) {
+	 doubleBuffered = GL_TRUE;
+      } else if ( !strcmp( "-info", argv[i] ) ) {
+	 info = GL_TRUE;
+      } else {
+	 usage( argv[0] );
+	 exit( 1 );
+      }
+   }
+
+   if ( doubleBuffered ) {
+      glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
+   } else {
+      glutInitDisplayMode( GLUT_RGB | GLUT_SINGLE );
+   }
+
+   glutInitWindowSize( winWidth, winHeight );
+   glutInitWindowPosition( 0, 0 );
+   glutCreateWindow( "Texture Environment Test" );
+
+   initialize();
+   instructions();
+
+   if ( info ) {
+      printf( "\n" );
+      printf( "GL_RENDERER   = %s\n", (char *) glGetString( GL_RENDERER ) );
+      printf( "GL_VERSION    = %s\n", (char *) glGetString( GL_VERSION ) );
+      printf( "GL_VENDOR     = %s\n", (char *) glGetString( GL_VENDOR ) ) ;
+      printf( "GL_EXTENSIONS = %s\n", (char *) glGetString( GL_EXTENSIONS ) );
+   }
+
+#if GL_EXT_texture_env_add
+   if ( !glutExtensionSupported( "GL_EXT_texture_env_add" ) ) {
+      fprintf( stderr, "missing extension: GL_EXT_texture_env_add\n" );
+      NUM_ENV_MODES--;
+   }
+#endif
+
+   glutDisplayFunc( display );
+   glutReshapeFunc( reshape );
+   glutKeyboardFunc( keyboard );
+   glutSpecialFunc( special );
+   glutMainLoop();
+
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/texobj.c b/nx-X11/extras/Mesa_6.4.2/progs/demos/texobj.c
new file mode 100644
index 000000000..40bce6e56
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/texobj.c
@@ -0,0 +1,284 @@
+
+/*
+ * Example of using the 1.1 texture object functions.
+ * Also, this demo utilizes Mesa's fast texture map path.
+ *
+ * Brian Paul   June 1996   This file is in the public domain.
+ */
+
+#include <assert.h>
+#include <math.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "GL/glut.h"
+
+static GLuint Window = 0;
+
+static GLuint TexObj[2];
+static GLfloat Angle = 0.0f;
+static GLboolean UseObj = GL_FALSE;
+
+
+#if defined(GL_VERSION_1_1) || defined(GL_VERSION_1_2)
+#  define TEXTURE_OBJECT 1
+#elif defined(GL_EXT_texture_object)
+#  define TEXTURE_OBJECT 1
+#  define glBindTexture(A,B)     glBindTextureEXT(A,B)
+#  define glGenTextures(A,B)     glGenTexturesEXT(A,B)
+#  define glDeleteTextures(A,B)  glDeleteTexturesEXT(A,B)
+#endif
+
+
+
+
+static void draw( void )
+{
+   glClear( GL_COLOR_BUFFER_BIT );
+
+   glColor3f( 1.0, 1.0, 1.0 );
+
+   /* draw first polygon */
+   glPushMatrix();
+   glTranslatef( -1.0, 0.0, 0.0 );
+   glRotatef( Angle, 0.0, 0.0, 1.0 );
+   if (UseObj) {
+#ifdef TEXTURE_OBJECT
+      glBindTexture( GL_TEXTURE_2D, TexObj[0] );
+#endif
+   }
+   else {
+      glCallList( TexObj[0] );
+   }
+   glBegin( GL_POLYGON );
+   glTexCoord2f( 0.0, 0.0 );   glVertex2f( -1.0, -1.0 );
+   glTexCoord2f( 1.0, 0.0 );   glVertex2f(  1.0, -1.0 );
+   glTexCoord2f( 1.0, 1.0 );   glVertex2f(  1.0,  1.0 );
+   glTexCoord2f( 0.0, 1.0 );   glVertex2f( -1.0,  1.0 );
+   glEnd();
+   glPopMatrix();
+
+   /* draw second polygon */
+   glPushMatrix();
+   glTranslatef( 1.0, 0.0, 0.0 );
+   glRotatef( Angle-90.0, 0.0, 1.0, 0.0 );
+   if (UseObj) {
+#ifdef TEXTURE_OBJECT
+      glBindTexture( GL_TEXTURE_2D, TexObj[1] );
+#endif
+   }
+   else {
+      glCallList( TexObj[1] );
+   }
+   glBegin( GL_POLYGON );
+   glTexCoord2f( 0.0, 0.0 );   glVertex2f( -1.0, -1.0 );
+   glTexCoord2f( 1.0, 0.0 );   glVertex2f(  1.0, -1.0 );
+   glTexCoord2f( 1.0, 1.0 );   glVertex2f(  1.0,  1.0 );
+   glTexCoord2f( 0.0, 1.0 );   glVertex2f( -1.0,  1.0 );
+   glEnd();
+   glPopMatrix();
+
+   glutSwapBuffers();
+}
+
+
+
+static void idle( void )
+{
+   static double t0 = -1.;
+   double dt, t = glutGet(GLUT_ELAPSED_TIME) / 1000.0;
+   if (t0 < 0.0)
+      t0 = t;
+   dt = t - t0;
+   t0 = t;
+   Angle += 120.0*dt;
+   glutPostRedisplay();
+}
+
+
+
+/* change view Angle, exit upon ESC */
+static void key(unsigned char k, int x, int y)
+{
+   (void) x;
+   (void) y;
+   switch (k) {
+      case 27:
+#ifdef TEXTURE_OBJECT
+         glDeleteTextures( 2, TexObj );
+#endif
+         glutDestroyWindow(Window);
+         exit(0);
+   }
+}
+
+
+
+/* new window size or exposure */
+static void reshape( int width, int height )
+{
+   glViewport(0, 0, (GLint)width, (GLint)height);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   /*   glOrtho( -3.0, 3.0, -3.0, 3.0, -10.0, 10.0 );*/
+   glFrustum( -2.0, 2.0, -2.0, 2.0, 6.0, 20.0 );
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glTranslatef( 0.0, 0.0, -8.0 );
+}
+
+
+static void init( void )
+{
+   static int width=8, height=8;
+   static GLubyte tex1[] = {
+     0, 0, 0, 0, 0, 0, 0, 0,
+     0, 0, 0, 0, 1, 0, 0, 0,
+     0, 0, 0, 1, 1, 0, 0, 0,
+     0, 0, 0, 0, 1, 0, 0, 0,
+     0, 0, 0, 0, 1, 0, 0, 0,
+     0, 0, 0, 0, 1, 0, 0, 0,
+     0, 0, 0, 1, 1, 1, 0, 0,
+     0, 0, 0, 0, 0, 0, 0, 0 };
+
+   static GLubyte tex2[] = {
+     0, 0, 0, 0, 0, 0, 0, 0,
+     0, 0, 0, 2, 2, 0, 0, 0,
+     0, 0, 2, 0, 0, 2, 0, 0,
+     0, 0, 0, 0, 0, 2, 0, 0,
+     0, 0, 0, 0, 2, 0, 0, 0,
+     0, 0, 0, 2, 0, 0, 0, 0,
+     0, 0, 2, 2, 2, 2, 0, 0,
+     0, 0, 0, 0, 0, 0, 0, 0 };
+
+   GLubyte tex[64][3];
+   GLint i, j;
+
+
+   glDisable( GL_DITHER );
+
+   /* Setup texturing */
+   glEnable( GL_TEXTURE_2D );
+   glTexEnvi( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL );
+   glHint( GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST );
+
+
+   /* generate texture object IDs */
+   if (UseObj) {
+#ifdef TEXTURE_OBJECT
+      glGenTextures( 2, TexObj );
+#endif
+   }
+   else {
+      TexObj[0] = glGenLists(2);
+      TexObj[1] = TexObj[0]+1;
+   }
+
+   /* setup first texture object */
+   if (UseObj) {
+#ifdef TEXTURE_OBJECT
+      glBindTexture( GL_TEXTURE_2D, TexObj[0] );
+      assert(glIsTexture(TexObj[0]));
+#endif
+   }
+   else {
+      glNewList( TexObj[0], GL_COMPILE );
+   }
+   /* red on white */
+   for (i=0;i<height;i++) {
+      for (j=0;j<width;j++) {
+         int p = i*width+j;
+         if (tex1[(height-i-1)*width+j]) {
+            tex[p][0] = 255;   tex[p][1] = 0;     tex[p][2] = 0;
+         }
+         else {
+            tex[p][0] = 255;   tex[p][1] = 255;   tex[p][2] = 255;
+         }
+      }
+   }
+
+   glTexImage2D( GL_TEXTURE_2D, 0, 3, width, height, 0,
+                 GL_RGB, GL_UNSIGNED_BYTE, tex );
+   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST );
+   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST );
+   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT );
+   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT );
+   if (!UseObj) {
+      glEndList();
+   }
+   /* end of texture object */
+
+   /* setup second texture object */
+   if (UseObj) {
+#ifdef TEXTURE_OBJECT
+      glBindTexture( GL_TEXTURE_2D, TexObj[1] );
+      assert(glIsTexture(TexObj[1]));
+#endif
+      assert(!glIsTexture(TexObj[1] + 999));
+   }
+   else {
+      glNewList( TexObj[1], GL_COMPILE );
+   }
+   /* green on blue */
+   for (i=0;i<height;i++) {
+      for (j=0;j<width;j++) {
+         int p = i*width+j;
+         if (tex2[(height-i-1)*width+j]) {
+            tex[p][0] = 0;     tex[p][1] = 255;   tex[p][2] = 0;
+         }
+         else {
+            tex[p][0] = 0;     tex[p][1] = 0;     tex[p][2] = 255;
+         }
+      }
+   }
+   glTexImage2D( GL_TEXTURE_2D, 0, 3, width, height, 0,
+                 GL_RGB, GL_UNSIGNED_BYTE, tex );
+   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST );
+   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST );
+   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT );
+   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT );
+   if (!UseObj) {
+      glEndList();
+   }
+   /* end texture object */
+
+}
+
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit(&argc, argv);
+   glutInitWindowPosition(0, 0);
+   glutInitWindowSize(300, 300);
+   glutInitDisplayMode( GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE );
+
+   Window = glutCreateWindow("Texture Objects");
+   if (!Window) {
+      exit(1);
+   }
+
+   /* check that renderer has the GL_EXT_texture_object extension
+    * or supports OpenGL 1.1
+    */
+#ifdef TEXTURE_OBJECT
+   {
+      char *exten = (char *) glGetString( GL_EXTENSIONS );
+      char *version = (char *) glGetString( GL_VERSION );
+      if (   strstr( exten, "GL_EXT_texture_object" )
+          || strncmp( version, "1.1", 3 )==0
+          || strncmp( version, "1.2", 3 )==0 ) {
+         UseObj = GL_TRUE;
+      }
+   }
+#endif
+
+   init();
+
+   glutReshapeFunc( reshape );
+   glutKeyboardFunc( key );
+   glutIdleFunc( idle );
+   glutDisplayFunc( draw );
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/trispd.c b/nx-X11/extras/Mesa_6.4.2/progs/demos/trispd.c
new file mode 100644
index 000000000..165d088e3
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/trispd.c
@@ -0,0 +1,253 @@
+
+/*
+ * Simple GLUT program to measure triangle strip rendering speed.
+ * Brian Paul  February 15, 1997  This file is in the public domain.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <string.h>
+#include <GL/glut.h>
+
+
+static float MinPeriod = 2.0;   /* 2 seconds */
+static float Width = 400.0;
+static float Height = 400.0;
+static int Loops = 1;
+static int Size = 50;
+static int Texture = 0;
+
+
+
+static void Idle( void )
+{
+   glutPostRedisplay();
+}
+
+
+static void Display( void )
+{
+   float x, y;
+   float xStep;
+   float yStep;
+   double t0, t1;
+   double triRate;
+   double pixelRate;
+   int triCount;
+   int i;
+   float red[3] = { 1.0, 0.0, 0.0 };
+   float blue[3] = { 0.0, 0.0, 1.0 };
+
+   xStep = yStep = sqrt( 2.0 * Size );
+
+   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+   triCount = 0;
+   t0 = glutGet(GLUT_ELAPSED_TIME) * 0.001;
+   if (Texture) {
+      float uStep = xStep / Width;
+      float vStep = yStep / Height;
+      float u, v;
+      for (i=0; i<Loops; i++) {
+	 for (y=1.0, v=0.0f; y<Height-yStep; y+=yStep, v+=vStep) {
+	    glBegin(GL_TRIANGLE_STRIP);
+	    for (x=1.0, u=0.0f; x<Width; x+=xStep, u+=uStep) {
+	       glColor3fv(red);
+	       glTexCoord2f(u, v);	    
+	       glVertex2f(x, y);
+	       glColor3fv(blue);
+	       glTexCoord2f(u, v+vStep);
+	       glVertex2f(x, y+yStep);
+	       triCount += 2;
+	    }
+	    glEnd();
+	    triCount -= 2;
+	 }
+      }
+   }
+   else {
+      for (i=0; i<Loops; i++) {
+	 for (y=1.0; y<Height-yStep; y+=yStep) {
+	    glBegin(GL_TRIANGLE_STRIP);
+	    for (x=1.0; x<Width; x+=xStep) {
+	       glColor3fv(red);
+	       glVertex2f(x, y);
+	       glColor3fv(blue);
+	       glVertex2f(x, y+yStep);
+	       triCount += 2;
+	    }
+	    glEnd();
+	    triCount -= 2;
+	 }
+      }
+   }
+   glFinish();
+   t1 = glutGet(GLUT_ELAPSED_TIME) * 0.001;
+   
+   if (t1-t0 < MinPeriod) {
+      /* Next time draw more triangles to get longer elapsed time */
+      Loops *= 2;
+      return;
+   }
+
+   triRate = triCount / (t1-t0);
+   pixelRate = triRate * Size;
+   printf("Rate: %d tri in %gs = %g tri/s  %d pixels/s\n",
+          triCount, t1-t0, triRate, (int)pixelRate);
+
+   glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+   Width = width;
+   Height = height;
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glOrtho(0.0, width, 0.0, height, -1.0, 1.0);
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void LoadTex(int comp, int filter)
+{
+   GLubyte *pixels;
+   int x, y;
+   pixels = (GLubyte *) malloc(4*256*256);
+   for (y = 0; y < 256; ++y)
+      for (x = 0; x < 256; ++x) {
+	 pixels[(y*256+x)*4+0] = (int)(128.5 + 127.0 * cos(0.024544 * x));
+	 pixels[(y*256+x)*4+1] = 255;
+	 pixels[(y*256+x)*4+2] = (int)(128.5 + 127.0 * cos(0.024544 * y));
+	 pixels[(y*256+x)*4+3] = 255;
+      }
+   glEnable(GL_TEXTURE_2D);
+   glTexImage2D(GL_TEXTURE_2D, 0, comp, 256, 256, 0, GL_RGBA, GL_UNSIGNED_BYTE, pixels);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, filter);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, filter);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+   glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+   printf("Texture: GL_MODULATE, %d comps, %s\n", comp, filter == GL_NEAREST ? "GL_NEAREST" : "GL_LINEAR");
+}
+
+
+static void Init( int argc, char *argv[] )
+{
+   GLint shade;
+   GLint rBits, gBits, bBits;
+   int filter = GL_NEAREST, comp = 3;
+
+   int i;
+   for (i=1; i<argc; i++) {
+      if (strcmp(argv[i],"-dither")==0)
+         glDisable(GL_DITHER);
+      else if (strcmp(argv[i],"+dither")==0)
+         glEnable(GL_DITHER);
+      else if (strcmp(argv[i],"+smooth")==0)
+         glShadeModel(GL_SMOOTH);
+      else if (strcmp(argv[i],"+flat")==0)
+         glShadeModel(GL_FLAT);
+      else if (strcmp(argv[i],"+depth")==0)
+         glEnable(GL_DEPTH_TEST);
+      else if (strcmp(argv[i],"-depth")==0)
+         glDisable(GL_DEPTH_TEST);
+      else if (strcmp(argv[i],"-size")==0) {
+         Size = atoi(argv[i+1]);
+         i++;
+      }
+      else if (strcmp(argv[i],"-texture")==0)
+	 Texture = 0;
+      else if (strcmp(argv[i],"+texture")==0)
+	 Texture = 1;
+      else if (strcmp(argv[i],"-linear")==0)
+	 filter = GL_NEAREST;
+      else if (strcmp(argv[i],"+linear")==0)
+	 filter = GL_LINEAR;
+      else if (strcmp(argv[i],"-persp")==0)
+	 glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST);
+      else if (strcmp(argv[i],"+persp")==0)
+	 glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
+      else if (strcmp(argv[i],"-comp")==0) {
+	 comp = atoi(argv[i+1]);
+	 i++;
+      }
+      else
+         printf("Unknown option: %s\n", argv[i]);
+   }
+
+   glGetIntegerv(GL_SHADE_MODEL, &shade);
+
+   printf("Dither: %s\n", glIsEnabled(GL_DITHER) ? "on" : "off");
+   printf("ShadeModel: %s\n", (shade==GL_FLAT) ? "flat" : "smooth");
+   printf("DepthTest: %s\n", glIsEnabled(GL_DEPTH_TEST) ? "on" : "off");
+   printf("Size: %d pixels\n", Size);
+
+   if (Texture)
+      LoadTex(comp, filter);
+
+   glGetIntegerv(GL_RED_BITS, &rBits);
+   glGetIntegerv(GL_GREEN_BITS, &gBits);
+   glGetIntegerv(GL_BLUE_BITS, &bBits);
+   printf("RedBits: %d  GreenBits: %d  BlueBits: %d\n", rBits, gBits, bBits);
+}
+
+
+static void Help( const char *program )
+{
+   printf("%s options:\n", program);
+   printf("  +/-dither      enable/disable dithering\n");
+   printf("  +/-depth       enable/disable depth test\n");
+   printf("  +flat          flat shading\n");
+   printf("  +smooth        smooth shading\n");
+   printf("  -size pixels   specify pixels/triangle\n");
+   printf("  +/-texture     enable/disable texture\n");
+   printf("  -comp n        texture format\n");
+   printf("  +/-linear      bilinear texture filter\n");
+   printf("  +/-persp       perspective correction hint\n");
+}
+
+
+int main( int argc, char *argv[] )
+{
+   printf("For options:  %s -help\n", argv[0]);
+   glutInit( &argc, argv );
+   glutInitWindowSize( (int) Width, (int) Height );
+   glutInitWindowPosition( 0, 0 );
+
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
+
+   glutCreateWindow( argv[0] );
+
+   if (argc==2 && strcmp(argv[1],"-help")==0) {
+      Help(argv[0]);
+      return 0;
+   }
+
+   Init( argc, argv );
+
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutDisplayFunc( Display );
+   glutIdleFunc( Idle );
+
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/tunnel.c b/nx-X11/extras/Mesa_6.4.2/progs/demos/tunnel.c
new file mode 100644
index 000000000..6a240580e
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/tunnel.c
@@ -0,0 +1,535 @@
+/*
+ * This program is under the GNU GPL.
+ * Use at your own risk.
+ *
+ * written by David Bucciarelli (tech.hmw@plus.it)
+ *            Humanware s.r.l.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <string.h>
+
+#ifdef WIN32
+#include <windows.h>
+#endif
+
+#include <GL/glut.h>
+#include "readtex.h"
+#include "tunneldat.h"
+
+#ifdef XMESA
+#include "GL/xmesa.h"
+static int fullscreen = 1;
+#endif
+
+static int WIDTH = 640;
+static int HEIGHT = 480;
+
+static GLint T0 = 0;
+static GLint Frames = 0;
+static GLint NiceFog = 1;
+
+#define NUMBLOC 5
+
+#ifndef M_PI
+#define M_PI 3.1415926535
+#endif
+
+/*
+extern int striplength_skin_13[];
+extern float stripdata_skin_13[];
+
+extern int striplength_skin_12[];
+extern float stripdata_skin_12[];
+
+extern int striplength_skin_11[];
+extern float stripdata_skin_11[];
+
+extern int striplength_skin_9[];
+extern float stripdata_skin_9[];
+*/
+
+static int win = 0;
+
+static float obs[3] = { 1000.0, 0.0, 2.0 };
+static float dir[3];
+static float v = 30.;
+static float alpha = 90.0;
+static float beta = 90.0;
+
+static int fog = 1;
+static int bfcull = 1;
+static int usetex = 1;
+static int cstrip = 0;
+static int help = 1;
+static int joyavailable = 0;
+static int joyactive = 0;
+
+static GLuint t1id, t2id;
+
+static void
+inittextures(void)
+{
+   glGenTextures(1, &t1id);
+   glBindTexture(GL_TEXTURE_2D, t1id);
+
+   if (!LoadRGBMipmaps("../images/tile.rgb", GL_RGB)) {
+      fprintf(stderr, "Error reading a texture.\n");
+      exit(-1);
+   }
+
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
+		   GL_LINEAR_MIPMAP_NEAREST);
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+
+   glGenTextures(1, &t2id);
+   glBindTexture(GL_TEXTURE_2D, t2id);
+
+   if (!LoadRGBMipmaps("../images/bw.rgb", GL_RGB)) {
+      fprintf(stderr, "Error reading a texture.\n");
+      exit(-1);
+   }
+
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
+		   GL_LINEAR_MIPMAP_LINEAR);
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+
+   glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+}
+
+static void
+drawobjs(const int *l, const float *f)
+{
+   int mend, j;
+
+   if (cstrip) {
+      float r = 0.33, g = 0.33, b = 0.33;
+
+      for (; (*l) != 0;) {
+	 mend = *l++;
+
+	 r += 0.33;
+	 if (r > 1.0) {
+	    r = 0.33;
+	    g += 0.33;
+	    if (g > 1.0) {
+	       g = 0.33;
+	       b += 0.33;
+	       if (b > 1.0)
+		  b = 0.33;
+	    }
+	 }
+
+	 glColor3f(r, g, b);
+	 glBegin(GL_TRIANGLE_STRIP);
+	 for (j = 0; j < mend; j++) {
+	    f += 4;
+	    glTexCoord2fv(f);
+	    f += 2;
+	    glVertex3fv(f);
+	    f += 3;
+	 }
+	 glEnd();
+      }
+   }
+   else
+      for (; (*l) != 0;) {
+	 mend = *l++;
+
+	 glBegin(GL_TRIANGLE_STRIP);
+	 for (j = 0; j < mend; j++) {
+	    glColor4fv(f);
+	    f += 4;
+	    glTexCoord2fv(f);
+	    f += 2;
+	    glVertex3fv(f);
+	    f += 3;
+	 }
+	 glEnd();
+      }
+}
+
+static void
+calcposobs(void)
+{
+   static double t0 = -1.;
+   double dt, t = glutGet(GLUT_ELAPSED_TIME) / 1000.0;
+   if (t0 < 0.0)
+      t0 = t;
+   dt = t - t0;
+   t0 = t;
+
+   dir[0] = sin(alpha * M_PI / 180.0);
+   dir[1] = cos(alpha * M_PI / 180.0) * sin(beta * M_PI / 180.0);
+   dir[2] = cos(beta * M_PI / 180.0);
+
+   if (dir[0] < 1.0e-5 && dir[0] > -1.0e-5)
+      dir[0] = 0;
+   if (dir[1] < 1.0e-5 && dir[1] > -1.0e-5)
+      dir[1] = 0;
+   if (dir[2] < 1.0e-5 && dir[2] > -1.0e-5)
+      dir[2] = 0;
+
+   obs[0] += v * dir[0] * dt;
+   obs[1] += v * dir[1] * dt;
+   obs[2] += v * dir[2] * dt;
+}
+
+static void
+special(int k, int x, int y)
+{
+   switch (k) {
+   case GLUT_KEY_LEFT:
+      alpha -= 2.0;
+      break;
+   case GLUT_KEY_RIGHT:
+      alpha += 2.0;
+      break;
+   case GLUT_KEY_DOWN:
+      beta -= 2.0;
+      break;
+   case GLUT_KEY_UP:
+      beta += 2.0;
+      break;
+   }
+}
+
+static void
+key(unsigned char k, int x, int y)
+{
+   switch (k) {
+   case 27:
+      exit(0);
+      break;
+
+   case 'a':
+      v += 5.;
+      break;
+   case 'z':
+      v -= 5.;
+      break;
+
+#ifdef XMESA
+   case ' ':
+      fullscreen = (!fullscreen);
+      XMesaSetFXmode(fullscreen ? XMESA_FX_FULLSCREEN : XMESA_FX_WINDOW);
+      break;
+#endif
+   case 'j':
+      joyactive = (!joyactive);
+      break;
+   case 'h':
+      help = (!help);
+      break;
+   case 'f':
+      fog = (!fog);
+      break;
+   case 't':
+      usetex = (!usetex);
+      break;
+   case 'b':
+      if (bfcull) {
+	 glDisable(GL_CULL_FACE);
+	 bfcull = 0;
+      }
+      else {
+	 glEnable(GL_CULL_FACE);
+	 bfcull = 1;
+      }
+      break;
+   case 'm':
+      cstrip = (!cstrip);
+      break;
+
+   case 'd':
+      fprintf(stderr, "Deleting textures...\n");
+      glDeleteTextures(1, &t1id);
+      glDeleteTextures(1, &t2id);
+      fprintf(stderr, "Loading textures...\n");
+      inittextures();
+      fprintf(stderr, "Done.\n");
+      break;
+   case 'n':
+      NiceFog = !NiceFog;
+      printf("NiceFog %d\n", NiceFog);
+      break;
+   }
+   glutPostRedisplay();
+}
+
+static void
+reshape(int w, int h)
+{
+   WIDTH = w;
+   HEIGHT = h;
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   gluPerspective(80.0, w / (float) h, 1.0, 50.0);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glViewport(0, 0, w, h);
+}
+
+static void
+printstring(void *font, char *string)
+{
+   int len, i;
+
+   len = (int) strlen(string);
+   for (i = 0; i < len; i++)
+      glutBitmapCharacter(font, string[i]);
+}
+
+static void
+printhelp(void)
+{
+   glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+   glColor4f(0.0, 0.0, 0.0, 0.5);
+   glRecti(40, 40, 600, 440);
+
+   glColor3f(1.0, 0.0, 0.0);
+   glRasterPos2i(300, 420);
+   printstring(GLUT_BITMAP_TIMES_ROMAN_24, "Help");
+
+   glRasterPos2i(60, 390);
+   printstring(GLUT_BITMAP_TIMES_ROMAN_24, "h - Toggle Help");
+   glRasterPos2i(60, 360);
+   printstring(GLUT_BITMAP_TIMES_ROMAN_24, "t - Toggle Textures");
+   glRasterPos2i(60, 330);
+   printstring(GLUT_BITMAP_TIMES_ROMAN_24, "f - Toggle Fog");
+   glRasterPos2i(60, 300);
+   printstring(GLUT_BITMAP_TIMES_ROMAN_24, "m - Toggle strips");
+   glRasterPos2i(60, 270);
+   printstring(GLUT_BITMAP_TIMES_ROMAN_24, "b - Toggle Back face culling");
+   glRasterPos2i(60, 240);
+   printstring(GLUT_BITMAP_TIMES_ROMAN_24, "Arrow Keys - Rotate");
+   glRasterPos2i(60, 210);
+   printstring(GLUT_BITMAP_TIMES_ROMAN_24, "a - Increase velocity");
+   glRasterPos2i(60, 180);
+   printstring(GLUT_BITMAP_TIMES_ROMAN_24, "z - Decrease velocity");
+
+   glRasterPos2i(60, 150);
+   if (joyavailable)
+      printstring(GLUT_BITMAP_TIMES_ROMAN_24,
+		  "j - Toggle jostick control (Joystick control available)");
+   else
+      printstring(GLUT_BITMAP_TIMES_ROMAN_24,
+		  "(No Joystick control available)");
+}
+
+static void
+dojoy(void)
+{
+#ifdef WIN32
+   static UINT max[2] = { 0, 0 };
+   static UINT min[2] = { 0xffffffff, 0xffffffff }, center[2];
+   MMRESULT res;
+   JOYINFO joy;
+
+   res = joyGetPos(JOYSTICKID1, &joy);
+
+   if (res == JOYERR_NOERROR) {
+      joyavailable = 1;
+
+      if (max[0] < joy.wXpos)
+	 max[0] = joy.wXpos;
+      if (min[0] > joy.wXpos)
+	 min[0] = joy.wXpos;
+      center[0] = (max[0] + min[0]) / 2;
+
+      if (max[1] < joy.wYpos)
+	 max[1] = joy.wYpos;
+      if (min[1] > joy.wYpos)
+	 min[1] = joy.wYpos;
+      center[1] = (max[1] + min[1]) / 2;
+
+      if (joyactive) {
+	 if (fabs(center[0] - (float) joy.wXpos) > 0.1 * (max[0] - min[0]))
+	    alpha -=
+	       2.0 * (center[0] - (float) joy.wXpos) / (max[0] - min[0]);
+	 if (fabs(center[1] - (float) joy.wYpos) > 0.1 * (max[1] - min[1]))
+	    beta += 2.0 * (center[1] - (float) joy.wYpos) / (max[1] - min[1]);
+
+	 if (joy.wButtons & JOY_BUTTON1)
+	    v += 0.01;
+	 if (joy.wButtons & JOY_BUTTON2)
+	    v -= 0.01;
+      }
+   }
+   else
+      joyavailable = 0;
+#endif
+}
+
+static void
+draw(void)
+{
+   static char frbuf[80] = "";
+   int i;
+   float base, offset;
+
+   if (NiceFog)
+      glHint(GL_FOG_HINT, GL_NICEST);
+   else
+      glHint(GL_FOG_HINT, GL_DONT_CARE);
+
+   dojoy();
+
+   glClear(GL_COLOR_BUFFER_BIT);
+
+   if (usetex)
+      glEnable(GL_TEXTURE_2D);
+   else
+      glDisable(GL_TEXTURE_2D);
+
+   if (fog)
+      glEnable(GL_FOG);
+   else
+      glDisable(GL_FOG);
+
+   glShadeModel(GL_SMOOTH);
+
+   glPushMatrix();
+   calcposobs();
+   gluLookAt(obs[0], obs[1], obs[2],
+	     obs[0] + dir[0], obs[1] + dir[1], obs[2] + dir[2],
+	     0.0, 0.0, 1.0);
+
+   if (dir[0] > 0) {
+      offset = 8.0;
+      base = obs[0] - fmod(obs[0], 8.0);
+   }
+   else {
+      offset = -8.0;
+      base = obs[0] + (8.0 - fmod(obs[0], 8.0));
+   }
+
+   glPushMatrix();
+   glTranslatef(base - offset / 2.0, 0.0, 0.0);
+   for (i = 0; i < NUMBLOC; i++) {
+      glTranslatef(offset, 0.0, 0.0);
+      glBindTexture(GL_TEXTURE_2D, t1id);
+      drawobjs(striplength_skin_11, stripdata_skin_11);
+      glBindTexture(GL_TEXTURE_2D, t2id);
+      drawobjs(striplength_skin_12, stripdata_skin_12);
+      drawobjs(striplength_skin_9, stripdata_skin_9);
+      drawobjs(striplength_skin_13, stripdata_skin_13);
+   }
+   glPopMatrix();
+   glPopMatrix();
+
+   glDisable(GL_TEXTURE_2D);
+   glDisable(GL_FOG);
+   glShadeModel(GL_FLAT);
+
+   glMatrixMode(GL_PROJECTION);
+   glPushMatrix();
+   glLoadIdentity();
+   glOrtho(-0.5, 639.5, -0.5, 479.5, -1.0, 1.0);
+
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+
+   glColor3f(1.0, 0.0, 0.0);
+   glRasterPos2i(10, 10);
+   printstring(GLUT_BITMAP_HELVETICA_18, frbuf);
+   glRasterPos2i(350, 470);
+   printstring(GLUT_BITMAP_HELVETICA_10,
+	       "Tunnel V1.5 Written by David Bucciarelli (tech.hmw@plus.it)");
+
+   if (help)
+      printhelp();
+
+   glMatrixMode(GL_PROJECTION);
+   glPopMatrix();
+   glMatrixMode(GL_MODELVIEW);
+
+   glutSwapBuffers();
+
+   Frames++;
+   {
+      GLint t = glutGet(GLUT_ELAPSED_TIME);
+      if (t - T0 >= 2000) {
+         GLfloat seconds = (t - T0) / 1000.0;
+         GLfloat fps = Frames / seconds;
+         sprintf(frbuf, "Frame rate: %f", fps);
+         T0 = t;
+         Frames = 0;
+      }
+   }
+}
+
+static void
+idle(void)
+{
+   glutPostRedisplay();
+}
+
+
+
+int
+main(int ac, char **av)
+{
+   float fogcolor[4] = { 0.7, 0.7, 0.7, 1.0 };
+
+   fprintf(stderr,
+	   "Tunnel V1.5\nWritten by David Bucciarelli (tech.hmw@plus.it)\n");
+
+   glutInitWindowPosition(0, 0);
+   glutInitWindowSize(WIDTH, HEIGHT);
+   glutInit(&ac, av);
+
+   glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE);
+
+   if (!(win = glutCreateWindow("Tunnel"))) {
+      fprintf(stderr, "Error, couldn't open window\n");
+      return -1;
+   }
+
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   gluPerspective(80.0, WIDTH / (float) HEIGHT, 1.0, 50.0);
+
+   glMatrixMode(GL_MODELVIEW);
+
+   glShadeModel(GL_SMOOTH);
+   glDisable(GL_DEPTH_TEST);
+   glEnable(GL_CULL_FACE);
+   glEnable(GL_TEXTURE_2D);
+
+   glEnable(GL_FOG);
+   glFogi(GL_FOG_MODE, GL_EXP2);
+   glFogfv(GL_FOG_COLOR, fogcolor);
+
+   glFogf(GL_FOG_DENSITY, 0.06);
+   glHint(GL_FOG_HINT, GL_NICEST);
+
+   inittextures();
+
+   glClearColor(fogcolor[0], fogcolor[1], fogcolor[2], fogcolor[3]);
+   glClear(GL_COLOR_BUFFER_BIT);
+
+   calcposobs();
+
+   glutReshapeFunc(reshape);
+   glutDisplayFunc(draw);
+   glutKeyboardFunc(key);
+   glutSpecialFunc(special);
+   glutIdleFunc(idle);
+
+   glEnable(GL_BLEND);
+   /*glBlendFunc(GL_SRC_ALPHA_SATURATE,GL_ONE); */
+   /*glEnable(GL_POLYGON_SMOOTH); */
+
+   glutMainLoop();
+
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/tunnel2.c b/nx-X11/extras/Mesa_6.4.2/progs/demos/tunnel2.c
new file mode 100644
index 000000000..75a199af5
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/tunnel2.c
@@ -0,0 +1,605 @@
+/*
+ * This program is under the GNU GPL.
+ * Use at your own risk.
+ *
+ * You need TWO Voodoo Graphics boards in order to run
+ * this demo !
+ *
+ * written by David Bucciarelli (tech.hmw@plus.it)
+ *            Humanware s.r.l.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <string.h>
+
+#ifdef WIN32
+#include <windows.h>
+#endif
+
+#include <GL/glut.h>
+#include "readtex.h"
+#include "tunneldat.h"
+
+#ifdef FX
+#endif
+
+#ifdef XMESA
+#include "GL/xmesa.h"
+static int fullscreen = 1;
+#endif
+
+#ifdef FX
+GLint fxMesaSelectCurrentBoard(int);
+#endif
+
+static int WIDTHC0 = 640;
+static int HEIGHTC0 = 480;
+
+static int WIDTHC1 = 640;
+static int HEIGHTC1 = 480;
+
+static GLint T0 = 0;
+static GLint Frames = 0;
+
+#define NUMBLOC 5
+
+#ifndef M_PI
+#define M_PI 3.1415926535
+#endif
+
+static float obs[3] = { 1000.0, 0.0, 2.0 };
+static float dir[3];
+static float v = 30.;
+static float alpha = 90.0;
+static float beta = 90.0;
+
+static int fog = 1;
+static int bfcull = 1;
+static int usetex = 1;
+static int cstrip = 0;
+static int help = 1;
+static int joyavailable = 0;
+static int joyactive = 0;
+
+static int channel[2];
+
+static GLuint t1id, t2id;
+
+static void
+inittextures(void)
+{
+   glGenTextures(1, &t1id);
+   glBindTexture(GL_TEXTURE_2D, t1id);
+
+   if (!LoadRGBMipmaps("../images/tile.rgb", GL_RGB)) {
+      fprintf(stderr, "Error reading a texture.\n");
+      exit(-1);
+   }
+
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
+		   GL_LINEAR_MIPMAP_NEAREST);
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+
+   glGenTextures(1, &t2id);
+   glBindTexture(GL_TEXTURE_2D, t2id);
+
+   if (!LoadRGBMipmaps("../images/bw.rgb", GL_RGB)) {
+      fprintf(stderr, "Error reading a texture.\n");
+      exit(-1);
+   }
+
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
+		   GL_LINEAR_MIPMAP_LINEAR);
+   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+
+   glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+}
+
+static void
+drawobjs(const int *l, const float *f)
+{
+   int mend, j;
+
+   if (cstrip) {
+      float r = 0.33, g = 0.33, b = 0.33;
+
+      for (; (*l) != 0;) {
+	 mend = *l++;
+
+	 r += 0.33;
+	 if (r > 1.0) {
+	    r = 0.33;
+	    g += 0.33;
+	    if (g > 1.0) {
+	       g = 0.33;
+	       b += 0.33;
+	       if (b > 1.0)
+		  b = 0.33;
+	    }
+	 }
+
+	 glColor3f(r, g, b);
+	 glBegin(GL_TRIANGLE_STRIP);
+	 for (j = 0; j < mend; j++) {
+	    f += 4;
+	    glTexCoord2fv(f);
+	    f += 2;
+	    glVertex3fv(f);
+	    f += 3;
+	 }
+	 glEnd();
+      }
+   }
+   else
+      for (; (*l) != 0;) {
+	 mend = *l++;
+
+	 glBegin(GL_TRIANGLE_STRIP);
+	 for (j = 0; j < mend; j++) {
+	    glColor4fv(f);
+	    f += 4;
+	    glTexCoord2fv(f);
+	    f += 2;
+	    glVertex3fv(f);
+	    f += 3;
+	 }
+	 glEnd();
+      }
+}
+
+static void
+calcposobs(void)
+{
+   static double t0 = -1.;
+   double dt, t = glutGet(GLUT_ELAPSED_TIME) / 1000.0;
+   if (t0 < 0.0)
+      t0 = t;
+   dt = t - t0;
+   t0 = t;
+
+   dir[0] = sin(alpha * M_PI / 180.0);
+   dir[1] = cos(alpha * M_PI / 180.0) * sin(beta * M_PI / 180.0);
+   dir[2] = cos(beta * M_PI / 180.0);
+
+   if (dir[0] < 1.0e-5 && dir[0] > -1.0e-5)
+      dir[0] = 0;
+   if (dir[1] < 1.0e-5 && dir[1] > -1.0e-5)
+      dir[1] = 0;
+   if (dir[2] < 1.0e-5 && dir[2] > -1.0e-5)
+      dir[2] = 0;
+
+   obs[0] += v * dir[0] * dt;
+   obs[1] += v * dir[1] * dt;
+   obs[2] += v * dir[2] * dt;
+}
+
+static void
+special(int k, int x, int y)
+{
+   switch (k) {
+   case GLUT_KEY_LEFT:
+      alpha -= 2.0;
+      break;
+   case GLUT_KEY_RIGHT:
+      alpha += 2.0;
+      break;
+   case GLUT_KEY_DOWN:
+      beta -= 2.0;
+      break;
+   case GLUT_KEY_UP:
+      beta += 2.0;
+      break;
+   }
+}
+
+static void
+key(unsigned char k, int x, int y)
+{
+   switch (k) {
+   case 27:
+      exit(0);
+      break;
+
+   case 'a':
+      v += 5.;
+      break;
+   case 'z':
+      v -= 5.;
+      break;
+
+#ifdef XMESA
+   case ' ':
+      fullscreen = (!fullscreen);
+
+      glutSetWindow(channel[0]);
+      XMesaSetFXmode(fullscreen ? XMESA_FX_FULLSCREEN : XMESA_FX_WINDOW);
+
+      glutSetWindow(channel[1]);
+      XMesaSetFXmode(fullscreen ? XMESA_FX_FULLSCREEN : XMESA_FX_WINDOW);
+      break;
+#endif
+
+   case 'j':
+      joyactive = (!joyactive);
+      break;
+   case 'h':
+      help = (!help);
+      break;
+   case 'f':
+      fog = (!fog);
+      break;
+   case 't':
+      usetex = (!usetex);
+      break;
+   case 'b':
+      if (bfcull) {
+	 glDisable(GL_CULL_FACE);
+	 bfcull = 0;
+      }
+      else {
+	 glEnable(GL_CULL_FACE);
+	 bfcull = 1;
+      }
+      break;
+   case 'm':
+      cstrip = (!cstrip);
+      break;
+
+   case 'd':
+      fprintf(stderr, "Deleting textures...\n");
+      glDeleteTextures(1, &t1id);
+      glDeleteTextures(1, &t2id);
+      fprintf(stderr, "Loading textures...\n");
+      inittextures();
+      fprintf(stderr, "Done.\n");
+      break;
+   }
+}
+
+static void
+reshapechannel0(int w, int h)
+{
+   float ratio;
+
+   WIDTHC0 = w;
+   HEIGHTC0 = h;
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+
+   ratio = 0.5f * w / (float) h;
+
+   glFrustum(-2.0, 0.0, -1.0 * ratio, 1.0 * ratio, 1.0, 60.0);
+
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glViewport(0, 0, w, h);
+}
+
+static void
+reshapechannel1(int w, int h)
+{
+   float ratio;
+
+   WIDTHC1 = w;
+   HEIGHTC1 = h;
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+
+   ratio = 0.5f * w / (float) h;
+
+   glFrustum(0.0, 2.0, -1.0 * ratio, 1.0 * ratio, 1.0, 60.0);
+
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glViewport(0, 0, w, h);
+}
+
+static void
+printstring(void *font, char *string)
+{
+   int len, i;
+
+   len = (int) strlen(string);
+   for (i = 0; i < len; i++)
+      glutBitmapCharacter(font, string[i]);
+}
+
+static void
+printhelp(void)
+{
+   glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+   glColor4f(0.0, 0.0, 0.0, 0.5);
+   glRecti(40, 40, 600, 440);
+
+   glColor3f(1.0, 0.0, 0.0);
+   glRasterPos2i(300, 420);
+   printstring(GLUT_BITMAP_TIMES_ROMAN_24, "Help");
+
+   glRasterPos2i(60, 390);
+   printstring(GLUT_BITMAP_TIMES_ROMAN_24, "h - Toggle Help");
+   glRasterPos2i(60, 360);
+   printstring(GLUT_BITMAP_TIMES_ROMAN_24, "t - Toggle Textures");
+   glRasterPos2i(60, 330);
+   printstring(GLUT_BITMAP_TIMES_ROMAN_24, "f - Toggle Fog");
+   glRasterPos2i(60, 300);
+   printstring(GLUT_BITMAP_TIMES_ROMAN_24, "m - Toggle strips");
+   glRasterPos2i(60, 270);
+   printstring(GLUT_BITMAP_TIMES_ROMAN_24, "b - Toggle Back face culling");
+   glRasterPos2i(60, 240);
+   printstring(GLUT_BITMAP_TIMES_ROMAN_24, "Arrow Keys - Rotate");
+   glRasterPos2i(60, 210);
+   printstring(GLUT_BITMAP_TIMES_ROMAN_24, "a - Increase velocity");
+   glRasterPos2i(60, 180);
+   printstring(GLUT_BITMAP_TIMES_ROMAN_24, "z - Decrease velocity");
+
+   glRasterPos2i(60, 150);
+   if (joyavailable)
+      printstring(GLUT_BITMAP_TIMES_ROMAN_24,
+		  "j - Toggle jostick control (Joystick control available)");
+   else
+      printstring(GLUT_BITMAP_TIMES_ROMAN_24,
+		  "(No Joystick control available)");
+}
+
+static void
+dojoy(void)
+{
+#ifdef WIN32
+   static UINT max[2] = { 0, 0 };
+   static UINT min[2] = { 0xffffffff, 0xffffffff }, center[2];
+   MMRESULT res;
+   JOYINFO joy;
+
+   res = joyGetPos(JOYSTICKID1, &joy);
+
+   if (res == JOYERR_NOERROR) {
+      joyavailable = 1;
+
+      if (max[0] < joy.wXpos)
+	 max[0] = joy.wXpos;
+      if (min[0] > joy.wXpos)
+	 min[0] = joy.wXpos;
+      center[0] = (max[0] + min[0]) / 2;
+
+      if (max[1] < joy.wYpos)
+	 max[1] = joy.wYpos;
+      if (min[1] > joy.wYpos)
+	 min[1] = joy.wYpos;
+      center[1] = (max[1] + min[1]) / 2;
+
+      if (joyactive) {
+	 if (fabs(center[0] - (float) joy.wXpos) > 0.1 * (max[0] - min[0]))
+	    alpha -=
+	       2.0 * (center[0] - (float) joy.wXpos) / (max[0] - min[0]);
+	 if (fabs(center[1] - (float) joy.wYpos) > 0.1 * (max[1] - min[1]))
+	    beta += 2.0 * (center[1] - (float) joy.wYpos) / (max[1] - min[1]);
+
+	 if (joy.wButtons & JOY_BUTTON1)
+	    v += 0.01;
+	 if (joy.wButtons & JOY_BUTTON2)
+	    v -= 0.01;
+      }
+   }
+   else
+      joyavailable = 0;
+#endif
+}
+
+static void
+draw(void)
+{
+   static char frbuf[80] = "";
+   int i;
+   float base, offset;
+
+   dojoy();
+
+   glClear(GL_COLOR_BUFFER_BIT);
+
+   glClear(GL_COLOR_BUFFER_BIT);
+
+   if (usetex)
+      glEnable(GL_TEXTURE_2D);
+   else
+      glDisable(GL_TEXTURE_2D);
+
+   if (fog)
+      glEnable(GL_FOG);
+   else
+      glDisable(GL_FOG);
+
+   glShadeModel(GL_SMOOTH);
+
+   glPushMatrix();
+   calcposobs();
+   gluLookAt(obs[0], obs[1], obs[2],
+	     obs[0] + dir[0], obs[1] + dir[1], obs[2] + dir[2],
+	     0.0, 0.0, 1.0);
+
+   if (dir[0] > 0) {
+      offset = 8.0;
+      base = obs[0] - fmod(obs[0], 8.0);
+   }
+   else {
+      offset = -8.0;
+      base = obs[0] + (8.0 - fmod(obs[0], 8.0));
+   }
+
+   glPushMatrix();
+   glTranslatef(base - offset / 2.0, 0.0, 0.0);
+   for (i = 0; i < NUMBLOC; i++) {
+      glTranslatef(offset, 0.0, 0.0);
+      glBindTexture(GL_TEXTURE_2D, t1id);
+      drawobjs(striplength_skin_11, stripdata_skin_11);
+      glBindTexture(GL_TEXTURE_2D, t2id);
+      drawobjs(striplength_skin_12, stripdata_skin_12);
+      drawobjs(striplength_skin_9, stripdata_skin_9);
+      drawobjs(striplength_skin_13, stripdata_skin_13);
+   }
+   glPopMatrix();
+   glPopMatrix();
+
+   glDisable(GL_TEXTURE_2D);
+   glDisable(GL_FOG);
+   glShadeModel(GL_FLAT);
+
+   glMatrixMode(GL_PROJECTION);
+   glPushMatrix();
+   glLoadIdentity();
+   glOrtho(-0.5, 639.5, -0.5, 479.5, -1.0, 1.0);
+
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+
+   glColor3f(1.0, 0.0, 0.0);
+   glRasterPos2i(10, 10);
+   printstring(GLUT_BITMAP_HELVETICA_18, frbuf);
+   glRasterPos2i(350, 470);
+   printstring(GLUT_BITMAP_HELVETICA_10,
+	       "Tunnel2 V1.0 Written by David Bucciarelli (tech.hmw@plus.it)");
+
+   if (help)
+      printhelp();
+
+   glMatrixMode(GL_PROJECTION);
+   glPopMatrix();
+   glMatrixMode(GL_MODELVIEW);
+
+   Frames++;
+   {
+      GLint t = glutGet(GLUT_ELAPSED_TIME);
+      if (t - T0 >= 2000) {
+         GLfloat seconds = (t - T0) / 1000.0;
+         GLfloat fps = Frames / seconds;
+         sprintf(frbuf, "Frame rate: %f", fps);
+         T0 = t;
+         Frames = 0;
+      }
+   }
+}
+
+static void
+drawchannel0(void)
+{
+   glutSetWindow(channel[0]);
+   draw();
+   glutSwapBuffers();
+}
+
+static void
+drawchannel1(void)
+{
+   glutSetWindow(channel[1]);
+   draw();
+   glutSwapBuffers();
+}
+
+static void
+drawall(void)
+{
+   glutSetWindow(channel[0]);
+   draw();
+   glutSetWindow(channel[1]);
+   draw();
+
+   glutSetWindow(channel[0]);
+   glutSwapBuffers();
+   glutSetWindow(channel[1]);
+   glutSwapBuffers();
+}
+
+static void
+init(void)
+{
+   float fogcolor[4] = { 0.7, 0.7, 0.7, 1.0 };
+
+   glShadeModel(GL_SMOOTH);
+   glDisable(GL_DEPTH_TEST);
+   glEnable(GL_CULL_FACE);
+   glEnable(GL_TEXTURE_2D);
+
+   glEnable(GL_FOG);
+   glFogi(GL_FOG_MODE, GL_EXP2);
+   glFogfv(GL_FOG_COLOR, fogcolor);
+
+   glFogf(GL_FOG_DENSITY, 0.06);
+   glHint(GL_FOG_HINT, GL_NICEST);
+
+   glEnable(GL_BLEND);
+   /*
+   glBlendFunc(GL_SRC_ALPHA_SATURATE, GL_ONE);
+   glEnable(GL_POLYGON_SMOOTH);
+   */
+
+   glClearColor(fogcolor[0], fogcolor[1], fogcolor[2], fogcolor[3]);
+   glClear(GL_COLOR_BUFFER_BIT);
+}
+
+int
+main(int ac, char **av)
+{
+   fprintf(stderr,
+	   "Tunnel2 V1.0\nWritten by David Bucciarelli (tech.hmw@plus.it)\n");
+
+   glutInitWindowPosition(0, 0);
+   glutInitWindowSize(WIDTHC0, HEIGHTC0);
+   glutInit(&ac, av);
+
+   glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE);
+
+#ifdef FX
+   if (fxMesaSelectCurrentBoard(0) < 0) {
+      fprintf(stderr, "The first Voodoo Graphics board is missing !?!?\n");
+      return -1;
+   }
+#endif
+   if (!(channel[0] = glutCreateWindow("Channel 0"))) {
+      fprintf(stderr, "Error, couldn't open window\n");
+      return -1;
+   }
+
+   reshapechannel0(WIDTHC0, HEIGHTC0);
+   init();
+   inittextures();
+   glutDisplayFunc(drawchannel0);
+   glutReshapeFunc(reshapechannel0);
+   glutKeyboardFunc(key);
+   glutSpecialFunc(special);
+
+#ifdef FX
+   if (fxMesaSelectCurrentBoard(1) < 0) {
+      fprintf(stderr, "The second Voodoo Graphics board is missing !\n");
+      exit(-1);
+   }
+#endif
+   glutInitWindowPosition(WIDTHC0, 0);
+   glutInitWindowSize(WIDTHC1, HEIGHTC1);
+   if (!(channel[1] = glutCreateWindow("Channel 1"))) {
+      fprintf(stderr, "Error, couldn't open window\n");
+      exit(-1);
+   }
+
+   reshapechannel1(WIDTHC1, HEIGHTC1);
+   init();
+   inittextures();
+   glutDisplayFunc(drawchannel1);
+   glutReshapeFunc(reshapechannel1);
+   glutKeyboardFunc(key);
+   glutSpecialFunc(special);
+
+   glutIdleFunc(drawall);
+
+   calcposobs();
+
+   glutMainLoop();
+
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/tunneldat.h b/nx-X11/extras/Mesa_6.4.2/progs/demos/tunneldat.h
new file mode 100644
index 000000000..af1e52e1f
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/tunneldat.h
@@ -0,0 +1,395 @@
+/* Object: skin_13 */
+
+#if defined(_MSC_VER) && defined(_WIN32)
+#pragma warning( disable : 4305 )	/* 'initializing' : truncation from 'const double' to 'float' */
+#endif
+
+static const int striplength_skin_13[] = {
+   10, 7, 3, 5, 5, 4, 4, 4, 4, 5, 3, 4, 5, 4, 4, 4, 4, 4, 4, 6,
+   6, 3, 6, 3, 3, 3, 3, 0
+};
+
+static const float stripdata_skin_13[] = {
+   0.415686, 0.415686, 0.415686, 1.000000, 0.000000, 1.500000, 2.000000,
+      4.000000, 0.000000, 0.341176, 0.341176, 0.341176, 1.000000, -0.500000,
+      1.500000, 4.000000, 4.000000, 0.000000, 0.545098, 0.545098, 0.545098,
+      1.000000, 0.000000, 1.000000, 2.000000, 4.000000, 2.000000, 0.435294,
+      0.435294, 0.435294, 1.000000, -0.500000, 1.000000, 4.000000, 4.000000,
+      2.000000, 0.517647, 0.517647, 0.517647, 1.000000, 0.000000, 0.500000,
+      2.000000, 4.000000, 4.000000, 0.450980, 0.450980, 0.450980, 1.000000,
+      -0.500000, 0.500000, 4.000000, 4.000000, 4.000000, 0.427451, 0.427451,
+      0.427451, 1.000000, 0.000000, 0.000000, 2.000000, 4.000000, 6.000000,
+      0.388235, 0.388235, 0.388235, 1.000000, -0.500000, 0.000000, 4.000000,
+      4.000000, 6.000000, 0.356863, 0.356863, 0.356863, 1.000000, 0.000000,
+      -0.500000, 2.000000, 4.000000, 8.000000, 0.333333, 0.333333, 0.333333,
+      1.000000, -0.500000, -0.500000, 4.000000, 4.000000, 8.000000,
+   0.435294, 0.435294, 0.435294, 1.000000, 1.500000, 1.000000, -4.000000,
+      4.000000, 2.000000, 0.415686, 0.415686, 0.415686, 1.000000, 1.000000,
+      1.500000, -2.000000, 4.000000, 0.000000, 0.545098, 0.545098, 0.545098,
+      1.000000, 1.000000, 1.000000, -2.000000, 4.000000, 2.000000, 0.450980,
+      0.450980, 0.450980, 1.000000, 0.500000, 1.500000, 0.000000, 4.000000,
+      0.000000, 0.600000, 0.600000, 0.600000, 1.000000, 0.500000, 1.000000,
+      0.000000, 4.000000, 2.000000, 0.415686, 0.415686, 0.415686, 1.000000,
+      0.000000, 1.500000, 2.000000, 4.000000, 0.000000, 0.545098, 0.545098,
+      0.545098, 1.000000, 0.000000, 1.000000, 2.000000, 4.000000, 2.000000,
+   0.435294, 0.435294, 0.435294, 1.000000, 1.500000, 1.000000, -4.000000,
+      4.000000, 2.000000, 0.341176, 0.341176, 0.341176, 1.000000, 1.500000,
+      1.500000, -4.000000, 4.000000, 0.000000, 0.415686, 0.415686, 0.415686,
+      1.000000, 1.000000, 1.500000, -2.000000, 4.000000, 0.000000,
+   0.356863, 0.356863, 0.356863, 1.000000, 0.000000, -0.500000, 2.000000,
+      4.000000, 8.000000, 0.364706, 0.364706, 0.364706, 1.000000, 0.500000,
+      -0.500000, 0.000000, 4.000000, 8.000000, 0.427451, 0.427451, 0.427451,
+      1.000000, 0.000000, 0.000000, 2.000000, 4.000000, 6.000000, 0.415686,
+      0.415686, 0.415686, 1.000000, 0.395020, -0.133318, 0.420032, 4.000000,
+      6.533272, 0.423529, 0.423529, 0.423529, 1.000000, 0.388550, -0.103582,
+      0.445932, 4.000000, 6.414327,
+   0.423529, 0.423529, 0.423529, 1.000000, 0.388550, -0.103582, 0.445932,
+      4.000000, 6.414327, 0.427451, 0.427451, 0.427451, 1.000000, 0.383423,
+      -0.069344, 0.466541, 4.000000, 6.277375, 0.427451, 0.427451, 0.427451,
+      1.000000, 0.000000, 0.000000, 2.000000, 4.000000, 6.000000, 0.435294,
+      0.435294, 0.435294, 1.000000, 0.380371, -0.034595, 0.478689, 4.000000,
+      6.138380, 0.439216, 0.439216, 0.439216, 1.000000, 0.379272, 0.000000,
+      0.482673, 4.000000, 6.000000,
+   0.407843, 0.407843, 0.407843, 1.000000, 0.414673, -0.191394, 0.341301,
+      4.000000, 6.765576, 0.411765, 0.411765, 0.411765, 1.000000, 0.403687,
+      -0.162957, 0.385368, 4.000000, 6.651829, 0.364706, 0.364706, 0.364706,
+      1.000000, 0.500000, -0.500000, 0.000000, 4.000000, 8.000000, 0.415686,
+      0.415686, 0.415686, 1.000000, 0.395020, -0.133318, 0.420032, 4.000000,
+      6.533272,
+   0.400000, 0.400000, 0.400000, 1.000000, 0.438232, -0.232438, 0.247284,
+      4.000000, 6.929754, 0.403922, 0.403922, 0.403922, 1.000000, 0.425171,
+      -0.212276, 0.299425, 4.000000, 6.849104, 0.364706, 0.364706, 0.364706,
+      1.000000, 0.500000, -0.500000, 0.000000, 4.000000, 8.000000, 0.407843,
+      0.407843, 0.407843, 1.000000, 0.414673, -0.191394, 0.341301, 4.000000,
+      6.765576,
+   0.396078, 0.396078, 0.396078, 1.000000, 0.467285, -0.260554, 0.130636,
+      4.000000, 7.042214, 0.400000, 0.400000, 0.400000, 1.000000, 0.453857,
+      -0.250068, 0.184711, 4.000000, 7.000273, 0.364706, 0.364706, 0.364706,
+      1.000000, 0.500000, -0.500000, 0.000000, 4.000000, 8.000000, 0.400000,
+      0.400000, 0.400000, 1.000000, 0.438232, -0.232438, 0.247284, 4.000000,
+      6.929754,
+   0.396078, 0.396078, 0.396078, 1.000000, 0.500000, -0.270672, 0.000000,
+      4.000000, 7.082688, 0.396078, 0.396078, 0.396078, 1.000000, 0.482788,
+      -0.267902, 0.068730, 4.000000, 7.071609, 0.364706, 0.364706, 0.364706,
+      1.000000, 0.500000, -0.500000, 0.000000, 4.000000, 8.000000, 0.396078,
+      0.396078, 0.396078, 1.000000, 0.467285, -0.260554, 0.130636, 4.000000,
+      7.042214,
+   0.439216, 0.439216, 0.439216, 1.000000, 0.379272, 0.000000, 0.482673,
+      4.000000, 6.000000, 0.474510, 0.474510, 0.474510, 1.000000, 0.379272,
+      0.180448, 0.482673, 4.000000, 5.278208, 0.517647, 0.517647, 0.517647,
+      1.000000, 0.000000, 0.500000, 2.000000, 4.000000, 4.000000, 0.513726,
+      0.513726, 0.513726, 1.000000, 0.379272, 0.360896, 0.482673, 4.000000,
+      4.556417, 0.545098, 0.545098, 0.545098, 1.000000, 0.379272, 0.500000,
+      0.482673, 4.000000, 4.000000,
+   0.545098, 0.545098, 0.545098, 1.000000, 0.379272, 0.500000, 0.482673,
+      4.000000, 4.000000, 0.545098, 0.545098, 0.545098, 1.000000, 0.000000,
+      1.000000, 2.000000, 4.000000, 2.000000, 0.517647, 0.517647, 0.517647,
+      1.000000, 0.000000, 0.500000, 2.000000, 4.000000, 4.000000,
+   0.600000, 0.600000, 0.600000, 1.000000, 0.500000, 1.000000, 0.000000,
+      4.000000, 2.000000, 0.545098, 0.545098, 0.545098, 1.000000, 0.000000,
+      1.000000, 2.000000, 4.000000, 2.000000, 0.552941, 0.552941, 0.552941,
+      1.000000, 0.379272, 0.541344, 0.482673, 4.000000, 3.834625, 0.545098,
+      0.545098, 0.545098, 1.000000, 0.379272, 0.500000, 0.482673, 4.000000,
+      4.000000,
+   0.552941, 0.552941, 0.552941, 1.000000, 0.379272, 0.541344, 0.482673,
+      4.000000, 3.834625, 0.556863, 0.556863, 0.556863, 1.000000, 0.459717,
+      0.541344, 0.160891, 4.000000, 3.834625, 0.600000, 0.600000, 0.600000,
+      1.000000, 0.500000, 1.000000, 0.000000, 4.000000, 2.000000, 0.556863,
+      0.556863, 0.556863, 1.000000, 0.500000, 0.541344, 0.000000, 4.000000,
+      3.834625, 0.556863, 0.556863, 0.556863, 1.000000, 0.540283, 0.541344,
+      -0.160891, 4.000000, 3.834625,
+   0.396078, 0.396078, 0.396078, 1.000000, 0.517212, -0.267902, -0.068730,
+      4.000000, 7.071609, 0.396078, 0.396078, 0.396078, 1.000000, 0.500000,
+      -0.270672, 0.000000, 4.000000, 7.082688, 0.356863, 0.356863, 0.356863,
+      1.000000, 1.000000, -0.500000, -2.000000, 4.000000, 8.000000, 0.364706,
+      0.364706, 0.364706, 1.000000, 0.500000, -0.500000, 0.000000, 4.000000,
+      8.000000,
+   0.400000, 0.400000, 0.400000, 1.000000, 0.546143, -0.250068, -0.184711,
+      4.000000, 7.000273, 0.396078, 0.396078, 0.396078, 1.000000, 0.532715,
+      -0.260554, -0.130636, 4.000000, 7.042214, 0.356863, 0.356863, 0.356863,
+      1.000000, 1.000000, -0.500000, -2.000000, 4.000000, 8.000000, 0.396078,
+      0.396078, 0.396078, 1.000000, 0.517212, -0.267902, -0.068730, 4.000000,
+      7.071609,
+   0.403922, 0.403922, 0.403922, 1.000000, 0.574829, -0.212276, -0.299425,
+      4.000000, 6.849104, 0.400000, 0.400000, 0.400000, 1.000000, 0.561768,
+      -0.232438, -0.247284, 4.000000, 6.929754, 0.356863, 0.356863, 0.356863,
+      1.000000, 1.000000, -0.500000, -2.000000, 4.000000, 8.000000, 0.400000,
+      0.400000, 0.400000, 1.000000, 0.546143, -0.250068, -0.184711, 4.000000,
+      7.000273,
+   0.411765, 0.411765, 0.411765, 1.000000, 0.596313, -0.162957, -0.385368,
+      4.000000, 6.651829, 0.407843, 0.407843, 0.407843, 1.000000, 0.585327,
+      -0.191394, -0.341301, 4.000000, 6.765576, 0.356863, 0.356863, 0.356863,
+      1.000000, 1.000000, -0.500000, -2.000000, 4.000000, 8.000000, 0.403922,
+      0.403922, 0.403922, 1.000000, 0.574829, -0.212276, -0.299425, 4.000000,
+      6.849104,
+   0.423529, 0.423529, 0.423529, 1.000000, 0.611450, -0.103582, -0.445931,
+      4.000000, 6.414327, 0.415686, 0.415686, 0.415686, 1.000000, 0.604980,
+      -0.133318, -0.420033, 4.000000, 6.533272, 0.356863, 0.356863, 0.356863,
+      1.000000, 1.000000, -0.500000, -2.000000, 4.000000, 8.000000, 0.411765,
+      0.411765, 0.411765, 1.000000, 0.596313, -0.162957, -0.385368, 4.000000,
+      6.651829,
+   0.435294, 0.435294, 0.435294, 1.000000, 0.619629, -0.034595, -0.478689,
+      4.000000, 6.138380, 0.427451, 0.427451, 0.427451, 1.000000, 0.616577,
+      -0.069344, -0.466541, 4.000000, 6.277375, 0.356863, 0.356863, 0.356863,
+      1.000000, 1.000000, -0.500000, -2.000000, 4.000000, 8.000000, 0.423529,
+      0.423529, 0.423529, 1.000000, 0.611450, -0.103582, -0.445931, 4.000000,
+      6.414327,
+   0.513726, 0.513726, 0.513726, 1.000000, 0.620728, 0.360896, -0.482673,
+      4.000000, 4.556417, 0.474510, 0.474510, 0.474510, 1.000000, 0.620728,
+      0.180448, -0.482673, 4.000000, 5.278208, 0.427451, 0.427451, 0.427451,
+      1.000000, 1.000000, 0.000000, -2.000000, 4.000000, 6.000000, 0.439216,
+      0.439216, 0.439216, 1.000000, 0.620728, 0.000000, -0.482673, 4.000000,
+      6.000000, 0.356863, 0.356863, 0.356863, 1.000000, 1.000000, -0.500000,
+      -2.000000, 4.000000, 8.000000, 0.435294, 0.435294, 0.435294, 1.000000,
+      0.619629, -0.034595, -0.478689, 4.000000, 6.138380,
+   0.333333, 0.333333, 0.333333, 1.000000, 1.500000, -0.500000, -4.000000,
+      4.000000, 8.000000, 0.388235, 0.388235, 0.388235, 1.000000, 1.500000,
+      0.000000, -4.000000, 4.000000, 6.000000, 0.427451, 0.427451, 0.427451,
+      1.000000, 1.000000, 0.000000, -2.000000, 4.000000, 6.000000, 0.517647,
+      0.517647, 0.517647, 1.000000, 1.000000, 0.500000, -2.000000, 4.000000,
+      4.000000, 0.513726, 0.513726, 0.513726, 1.000000, 0.620728, 0.360896,
+      -0.482673, 4.000000, 4.556417, 0.545098, 0.545098, 0.545098, 1.000000,
+      0.620728, 0.500000, -0.482673, 4.000000, 4.000000,
+   0.333333, 0.333333, 0.333333, 1.000000, 1.500000, -0.500000, -4.000000,
+      4.000000, 8.000000, 0.427451, 0.427451, 0.427451, 1.000000, 1.000000,
+      0.000000, -2.000000, 4.000000, 6.000000, 0.356863, 0.356863, 0.356863,
+      1.000000, 1.000000, -0.500000, -2.000000, 4.000000, 8.000000,
+   0.556863, 0.556863, 0.556863, 1.000000, 0.540283, 0.541344, -0.160891,
+      4.000000, 3.834625, 0.552941, 0.552941, 0.552941, 1.000000, 0.620728,
+      0.541344, -0.482673, 4.000000, 3.834625, 0.545098, 0.545098, 0.545098,
+      1.000000, 1.000000, 1.000000, -2.000000, 4.000000, 2.000000, 0.517647,
+      0.517647, 0.517647, 1.000000, 1.000000, 0.500000, -2.000000, 4.000000,
+      4.000000, 0.450980, 0.450980, 0.450980, 1.000000, 1.500000, 0.500000,
+      -4.000000, 4.000000, 4.000000, 0.388235, 0.388235, 0.388235, 1.000000,
+      1.500000, 0.000000, -4.000000, 4.000000, 6.000000,
+   0.517647, 0.517647, 0.517647, 1.000000, 1.000000, 0.500000, -2.000000,
+      4.000000, 4.000000, 0.552941, 0.552941, 0.552941, 1.000000, 0.620728,
+      0.541344, -0.482673, 4.000000, 3.834625, 0.545098, 0.545098, 0.545098,
+      1.000000, 0.620728, 0.500000, -0.482673, 4.000000, 4.000000,
+   0.450980, 0.450980, 0.450980, 1.000000, 1.500000, 0.500000, -4.000000,
+      4.000000, 4.000000, 0.435294, 0.435294, 0.435294, 1.000000, 1.500000,
+      1.000000, -4.000000, 4.000000, 2.000000, 0.545098, 0.545098, 0.545098,
+      1.000000, 1.000000, 1.000000, -2.000000, 4.000000, 2.000000,
+   0.439216, 0.439216, 0.439216, 1.000000, 0.379272, 0.000000, 0.482673,
+      4.000000, 6.000000, 0.517647, 0.517647, 0.517647, 1.000000, 0.000000,
+      0.500000, 2.000000, 4.000000, 4.000000, 0.427451, 0.427451, 0.427451,
+      1.000000, 0.000000, 0.000000, 2.000000, 4.000000, 6.000000,
+   0.556863, 0.556863, 0.556863, 1.000000, 0.540283, 0.541344, -0.160891,
+      4.000000, 3.834625, 0.545098, 0.545098, 0.545098, 1.000000, 1.000000,
+      1.000000, -2.000000, 4.000000, 2.000000, 0.600000, 0.600000, 0.600000,
+      1.000000, 0.500000, 1.000000, 0.000000, 4.000000, 2.000000
+};
+
+
+/* Object: skin_12 */
+
+static const int striplength_skin_12[] = {
+   12, 12, 12, 12, 12, 0
+};
+
+static const float stripdata_skin_12[] = {
+   0.498039, 0.498039, 0.498039, 1.000000, -0.099976, 1.500000, -2.400000,
+      -4.000000, -0.000002, 0.337255, 0.337255, 0.337255, 1.000000, -0.500000,
+      1.500000, -4.000000, -4.000000, -0.000002, 0.568627, 0.568627, 0.568627,
+      1.000000, -0.099976, 1.100000, -2.400000, -4.000000, 1.599999, 0.341176,
+      0.341176, 0.341176, 1.000000, -0.500000, 1.100000, -4.000000, -4.000000,
+      1.599999, 0.498039, 0.498039, 0.498039, 1.000000, -0.099976, 0.700000,
+      -2.400000, -4.000000, 3.200000, 0.325490, 0.325490, 0.325490, 1.000000,
+      -0.500000, 0.700000, -4.000000, -4.000000, 3.199999, 0.352941, 0.352941,
+      0.352941, 1.000000, -0.099976, 0.300000, -2.400000, -4.000000, 4.800000,
+      0.282353, 0.282353, 0.282353, 1.000000, -0.500000, 0.300000, -4.000000,
+      -4.000000, 4.800000, 0.282353, 0.282353, 0.282353, 1.000000, -0.099976,
+      -0.100000, -2.400000, -4.000000, 6.400001, 0.254902, 0.254902, 0.254902,
+      1.000000, -0.500000, -0.100000, -4.000000, -4.000000, 6.400000,
+      0.239216, 0.239216, 0.239216, 1.000000, -0.099976, -0.500000, -2.400000,
+      -4.000000, 8.000000, 0.227451, 0.227451, 0.227451, 1.000000, -0.500000,
+      -0.500000, -4.000000, -4.000000, 8.000000,
+   0.239216, 0.239216, 0.239216, 1.000000, 1.099976, -0.500000, 2.400001,
+      -4.000000, 8.000000, 0.227451, 0.227451, 0.227451, 1.000000, 1.500000,
+      -0.500000, 4.000002, -4.000000, 8.000000, 0.282353, 0.282353, 0.282353,
+      1.000000, 1.099976, -0.100000, 2.400001, -4.000000, 6.400001, 0.254902,
+      0.254902, 0.254902, 1.000000, 1.500000, -0.100000, 4.000002, -4.000000,
+      6.400001, 0.352941, 0.352941, 0.352941, 1.000000, 1.099976, 0.300000,
+      2.400002, -4.000000, 4.800001, 0.282353, 0.282353, 0.282353, 1.000000,
+      1.500000, 0.300000, 4.000002, -4.000000, 4.800001, 0.498039, 0.498039,
+      0.498039, 1.000000, 1.099976, 0.700000, 2.400002, -4.000000, 3.200000,
+      0.321569, 0.321569, 0.321569, 1.000000, 1.500000, 0.700000, 4.000003,
+      -4.000000, 3.200000, 0.568627, 0.568627, 0.568627, 1.000000, 1.099976,
+      1.100000, 2.400002, -4.000000, 1.599999, 0.341176, 0.341176, 0.341176,
+      1.000000, 1.500000, 1.100000, 4.000003, -4.000000, 1.599999, 0.494118,
+      0.494118, 0.494118, 1.000000, 1.099976, 1.500000, 2.400003, -4.000000,
+      -0.000002, 0.337255, 0.337255, 0.337255, 1.000000, 1.500000, 1.500000,
+      4.000004, -4.000000, -0.000002,
+   0.639216, 0.639216, 0.639216, 1.000000, 0.300049, 1.500000, -0.799999,
+      -4.000000, -0.000002, 0.498039, 0.498039, 0.498039, 1.000000, -0.099976,
+      1.500000, -2.400000, -4.000000, -0.000002, 0.858824, 0.858824, 0.858824,
+      1.000000, 0.300049, 1.100000, -0.799999, -4.000000, 1.599999, 0.568627,
+      0.568627, 0.568627, 1.000000, -0.099976, 1.100000, -2.400000, -4.000000,
+      1.599999, 0.686275, 0.686275, 0.686275, 1.000000, 0.300049, 0.700000,
+      -0.799999, -4.000000, 3.200000, 0.498039, 0.498039, 0.498039, 1.000000,
+      -0.099976, 0.700000, -2.400000, -4.000000, 3.200000, 0.419608, 0.419608,
+      0.419608, 1.000000, 0.300049, 0.300000, -0.800000, -4.000000, 4.800000,
+      0.352941, 0.352941, 0.352941, 1.000000, -0.099976, 0.300000, -2.400000,
+      -4.000000, 4.800000, 0.298039, 0.298039, 0.298039, 1.000000, 0.300049,
+      -0.100000, -0.800000, -4.000000, 6.400001, 0.282353, 0.282353, 0.282353,
+      1.000000, -0.099976, -0.100000, -2.400000, -4.000000, 6.400001,
+      0.247059, 0.247059, 0.247059, 1.000000, 0.300049, -0.500000, -0.800000,
+      -4.000000, 8.000000, 0.239216, 0.239216, 0.239216, 1.000000, -0.099976,
+      -0.500000, -2.400000, -4.000000, 8.000000,
+   0.639216, 0.639216, 0.639216, 1.000000, 0.699951, 1.500000, 0.800002,
+      -4.000000, -0.000002, 0.639216, 0.639216, 0.639216, 1.000000, 0.300049,
+      1.500000, -0.799999, -4.000000, -0.000002, 0.858824, 0.858824, 0.858824,
+      1.000000, 0.699951, 1.100000, 0.800001, -4.000000, 1.599999, 0.858824,
+      0.858824, 0.858824, 1.000000, 0.300049, 1.100000, -0.799999, -4.000000,
+      1.599999, 0.686275, 0.686275, 0.686275, 1.000000, 0.699951, 0.700000,
+      0.800001, -4.000000, 3.200000, 0.686275, 0.686275, 0.686275, 1.000000,
+      0.300049, 0.700000, -0.799999, -4.000000, 3.200000, 0.419608, 0.419608,
+      0.419608, 1.000000, 0.699951, 0.300000, 0.800001, -4.000000, 4.800001,
+      0.419608, 0.419608, 0.419608, 1.000000, 0.300049, 0.300000, -0.800000,
+      -4.000000, 4.800000, 0.298039, 0.298039, 0.298039, 1.000000, 0.699951,
+      -0.100000, 0.800001, -4.000000, 6.400001, 0.298039, 0.298039, 0.298039,
+      1.000000, 0.300049, -0.100000, -0.800000, -4.000000, 6.400001, 0.247059,
+      0.247059, 0.247059, 1.000000, 0.699951, -0.500000, 0.800000, -4.000000,
+      8.000000, 0.247059, 0.247059, 0.247059, 1.000000, 0.300049, -0.500000,
+      -0.800000, -4.000000, 8.000000,
+   0.494118, 0.494118, 0.494118, 1.000000, 1.099976, 1.500000, 2.400003,
+      -4.000000, -0.000002, 0.639216, 0.639216, 0.639216, 1.000000, 0.699951,
+      1.500000, 0.800002, -4.000000, -0.000002, 0.568627, 0.568627, 0.568627,
+      1.000000, 1.099976, 1.100000, 2.400002, -4.000000, 1.599999, 0.858824,
+      0.858824, 0.858824, 1.000000, 0.699951, 1.100000, 0.800001, -4.000000,
+      1.599999, 0.498039, 0.498039, 0.498039, 1.000000, 1.099976, 0.700000,
+      2.400002, -4.000000, 3.200000, 0.686275, 0.686275, 0.686275, 1.000000,
+      0.699951, 0.700000, 0.800001, -4.000000, 3.200000, 0.352941, 0.352941,
+      0.352941, 1.000000, 1.099976, 0.300000, 2.400002, -4.000000, 4.800001,
+      0.419608, 0.419608, 0.419608, 1.000000, 0.699951, 0.300000, 0.800001,
+      -4.000000, 4.800001, 0.282353, 0.282353, 0.282353, 1.000000, 1.099976,
+      -0.100000, 2.400001, -4.000000, 6.400001, 0.298039, 0.298039, 0.298039,
+      1.000000, 0.699951, -0.100000, 0.800001, -4.000000, 6.400001, 0.239216,
+      0.239216, 0.239216, 1.000000, 1.099976, -0.500000, 2.400001, -4.000000,
+      8.000000, 0.247059, 0.247059, 0.247059, 1.000000, 0.699951, -0.500000,
+      0.800000, -4.000000, 8.000000
+};
+
+
+/* Object: skin_11 */
+
+static const int striplength_skin_11[] = {
+   12, 12, 12, 12, 12, 0
+};
+
+static const float stripdata_skin_11[] = {
+   0.145098, 0.145098, 0.145098, 1.000000, -0.099976, 1.500000, -2.400000,
+      4.000002, 0.000000, 0.141176, 0.141176, 0.141176, 1.000000, -0.500000,
+      1.500000, -4.000000, 4.000002, 0.000000, 0.176471, 0.176471, 0.176471,
+      1.000000, -0.099976, 1.100000, -2.400000, 2.400001, 0.000000, 0.145098,
+      0.145098, 0.145098, 1.000000, -0.500000, 1.100000, -4.000000, 2.400001,
+      0.000000, 0.341176, 0.341176, 0.341176, 1.000000, -0.099976, 0.700000,
+      -2.400000, 0.800000, 0.000000, 0.188235, 0.188235, 0.188235, 1.000000,
+      -0.500000, 0.700000, -4.000000, 0.800000, 0.000000, 0.450980, 0.450980,
+      0.450980, 1.000000, -0.099976, 0.300000, -2.400000, -0.800000, 0.000000,
+      0.247059, 0.247059, 0.247059, 1.000000, -0.500000, 0.300000, -4.000000,
+      -0.800000, 0.000000, 0.439216, 0.439216, 0.439216, 1.000000, -0.099976,
+      -0.100000, -2.400000, -2.400000, 0.000000, 0.270588, 0.270588, 0.270588,
+      1.000000, -0.500000, -0.100000, -4.000000, -2.400000, 0.000000,
+      0.364706, 0.364706, 0.364706, 1.000000, -0.099976, -0.500000, -2.400000,
+      -4.000000, 0.000000, 0.258824, 0.258824, 0.258824, 1.000000, -0.500000,
+      -0.500000, -4.000000, -4.000000, 0.000000,
+   0.364706, 0.364706, 0.364706, 1.000000, 1.099976, -0.500000, 2.400001,
+      -4.000000, 0.000000, 0.258824, 0.258824, 0.258824, 1.000000, 1.500000,
+      -0.500000, 4.000002, -4.000000, 0.000000, 0.439216, 0.439216, 0.439216,
+      1.000000, 1.099976, -0.100000, 2.400001, -2.400001, 0.000000, 0.270588,
+      0.270588, 0.270588, 1.000000, 1.500000, -0.100000, 4.000002, -2.400001,
+      0.000000, 0.454902, 0.454902, 0.454902, 1.000000, 1.099976, 0.300000,
+      2.400002, -0.800000, 0.000000, 0.247059, 0.247059, 0.247059, 1.000000,
+      1.500000, 0.300000, 4.000002, -0.800000, 0.000000, 0.341176, 0.341176,
+      0.341176, 1.000000, 1.099976, 0.700000, 2.400002, 0.800000, 0.000000,
+      0.184314, 0.184314, 0.184314, 1.000000, 1.500000, 0.700000, 4.000003,
+      0.800000, 0.000000, 0.176471, 0.176471, 0.176471, 1.000000, 1.099976,
+      1.100000, 2.400002, 2.400001, 0.000000, 0.145098, 0.145098, 0.145098,
+      1.000000, 1.500000, 1.100000, 4.000003, 2.400001, 0.000000, 0.145098,
+      0.145098, 0.145098, 1.000000, 1.099976, 1.500000, 2.400003, 4.000003,
+      0.000000, 0.141176, 0.141176, 0.141176, 1.000000, 1.500000, 1.500000,
+      4.000004, 4.000002, 0.000000,
+   0.145098, 0.145098, 0.145098, 1.000000, 0.300049, 1.500000, -0.799999,
+      4.000002, 0.000000, 0.145098, 0.145098, 0.145098, 1.000000, -0.099976,
+      1.500000, -2.400000, 4.000002, 0.000000, 0.262745, 0.262745, 0.262745,
+      1.000000, 0.300049, 1.100000, -0.799999, 2.400001, 0.000000, 0.176471,
+      0.176471, 0.176471, 1.000000, -0.099976, 1.100000, -2.400000, 2.400001,
+      0.000000, 0.580392, 0.580392, 0.580392, 1.000000, 0.300049, 0.700000,
+      -0.799999, 0.800000, 0.000000, 0.341176, 0.341176, 0.341176, 1.000000,
+      -0.099976, 0.700000, -2.400000, 0.800000, 0.000000, 0.709804, 0.709804,
+      0.709804, 1.000000, 0.300049, 0.300000, -0.800000, -0.800000, 0.000000,
+      0.450980, 0.450980, 0.450980, 1.000000, -0.099976, 0.300000, -2.400000,
+      -0.800000, 0.000000, 0.627451, 0.627451, 0.627451, 1.000000, 0.300049,
+      -0.100000, -0.800000, -2.400001, 0.000000, 0.439216, 0.439216, 0.439216,
+      1.000000, -0.099976, -0.100000, -2.400000, -2.400000, 0.000000,
+      0.458824, 0.458824, 0.458824, 1.000000, 0.300049, -0.500000, -0.800000,
+      -4.000000, 0.000000, 0.364706, 0.364706, 0.364706, 1.000000, -0.099976,
+      -0.500000, -2.400000, -4.000000, 0.000000,
+   0.145098, 0.145098, 0.145098, 1.000000, 0.699951, 1.500000, 0.800002,
+      4.000002, 0.000000, 0.145098, 0.145098, 0.145098, 1.000000, 0.300049,
+      1.500000, -0.799999, 4.000002, 0.000000, 0.262745, 0.262745, 0.262745,
+      1.000000, 0.699951, 1.100000, 0.800001, 2.400001, 0.000000, 0.262745,
+      0.262745, 0.262745, 1.000000, 0.300049, 1.100000, -0.799999, 2.400001,
+      0.000000, 0.580392, 0.580392, 0.580392, 1.000000, 0.699951, 0.700000,
+      0.800001, 0.800000, 0.000000, 0.580392, 0.580392, 0.580392, 1.000000,
+      0.300049, 0.700000, -0.799999, 0.800000, 0.000000, 0.713726, 0.713726,
+      0.713726, 1.000000, 0.699951, 0.300000, 0.800001, -0.800000, 0.000000,
+      0.709804, 0.709804, 0.709804, 1.000000, 0.300049, 0.300000, -0.800000,
+      -0.800000, 0.000000, 0.631373, 0.631373, 0.631373, 1.000000, 0.699951,
+      -0.100000, 0.800001, -2.400001, 0.000000, 0.627451, 0.627451, 0.627451,
+      1.000000, 0.300049, -0.100000, -0.800000, -2.400001, 0.000000, 0.458824,
+      0.458824, 0.458824, 1.000000, 0.699951, -0.500000, 0.800000, -4.000000,
+      0.000000, 0.458824, 0.458824, 0.458824, 1.000000, 0.300049, -0.500000,
+      -0.800000, -4.000000, 0.000000,
+   0.145098, 0.145098, 0.145098, 1.000000, 1.099976, 1.500000, 2.400003,
+      4.000003, 0.000000, 0.145098, 0.145098, 0.145098, 1.000000, 0.699951,
+      1.500000, 0.800002, 4.000002, 0.000000, 0.176471, 0.176471, 0.176471,
+      1.000000, 1.099976, 1.100000, 2.400002, 2.400001, 0.000000, 0.262745,
+      0.262745, 0.262745, 1.000000, 0.699951, 1.100000, 0.800001, 2.400001,
+      0.000000, 0.341176, 0.341176, 0.341176, 1.000000, 1.099976, 0.700000,
+      2.400002, 0.800000, 0.000000, 0.580392, 0.580392, 0.580392, 1.000000,
+      0.699951, 0.700000, 0.800001, 0.800000, 0.000000, 0.454902, 0.454902,
+      0.454902, 1.000000, 1.099976, 0.300000, 2.400002, -0.800000, 0.000000,
+      0.713726, 0.713726, 0.713726, 1.000000, 0.699951, 0.300000, 0.800001,
+      -0.800000, 0.000000, 0.439216, 0.439216, 0.439216, 1.000000, 1.099976,
+      -0.100000, 2.400001, -2.400001, 0.000000, 0.631373, 0.631373, 0.631373,
+      1.000000, 0.699951, -0.100000, 0.800001, -2.400001, 0.000000, 0.364706,
+      0.364706, 0.364706, 1.000000, 1.099976, -0.500000, 2.400001, -4.000000,
+      0.000000, 0.458824, 0.458824, 0.458824, 1.000000, 0.699951, -0.500000,
+      0.800000, -4.000000, 0.000000
+};
+
+
+/* Object: skin_9 */
+
+static const int striplength_skin_9[] = {
+   18, 0
+};
+
+static const float stripdata_skin_9[] = {
+   0.384314, 0.384314, 0.384314, 1.000000, -0.500000, 1.500000, -4.000000,
+      4.000000, 8.000000, 0.384314, 0.384314, 0.384314, 1.000000, 1.500000,
+      1.500000, 4.000000, 4.000000, 8.000000, 0.376471, 0.376471, 0.376471,
+      1.000000, -0.500000, 1.250000, -4.000000, 3.695518, 9.530733, 0.403922,
+      0.403922, 0.403922, 1.000000, 1.500000, 1.250000, 4.000000, 3.695518,
+      9.530733, 0.415686, 0.415686, 0.415686, 1.000000, -0.500000, 1.000000,
+      -4.000000, 2.828427, 10.828427, 0.431373, 0.431373, 0.431373, 1.000000,
+      1.500000, 1.000000, 4.000000, 2.828427, 10.828427, 0.435294, 0.435294,
+      0.435294, 1.000000, -0.500000, 0.750000, -4.000000, 1.530734, 11.695518,
+      0.443137, 0.443137, 0.443137, 1.000000, 1.500000, 0.750000, 4.000000,
+      1.530734, 11.695518, 0.439216, 0.439216, 0.439216, 1.000000, -0.500000,
+      0.500000, -4.000000, 0.000000, 12.000000, 0.435294, 0.435294, 0.435294,
+      1.000000, 1.500000, 0.500000, 4.000000, 0.000000, 12.000000, 0.427451,
+      0.427451, 0.427451, 1.000000, -0.500000, 0.250000, -4.000000, -1.530734,
+      11.695518, 0.411765, 0.411765, 0.411765, 1.000000, 1.500000, 0.250000,
+      4.000000, -1.530734, 11.695518, 0.396078, 0.396078, 0.396078, 1.000000,
+      -0.500000, 0.000000, -4.000000, -2.828427, 10.828427, 0.368627,
+      0.368627, 0.368627, 1.000000, 1.500000, 0.000000, 4.000000, -2.828427,
+      10.828427, 0.341176, 0.341176, 0.341176, 1.000000, -0.500000, -0.250000,
+      -4.000000, -3.695518, 9.530733, 0.301961, 0.301961, 0.301961, 1.000000,
+      1.500000, -0.250000, 4.000000, -3.695518, 9.530733, 0.294118, 0.294118,
+      0.294118, 1.000000, -0.500000, -0.500000, -4.000000, -4.000000,
+      8.000000, 0.294118, 0.294118, 0.294118, 1.000000, 1.500000, -0.500000,
+      4.000000, -4.000000, 8.000000
+};
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/demos/winpos.c b/nx-X11/extras/Mesa_6.4.2/progs/demos/winpos.c
new file mode 100644
index 000000000..2ee1df69f
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/demos/winpos.c
@@ -0,0 +1,118 @@
+
+/*
+ * Example of how to use the GL_MESA_window_pos extension.
+ * Brian Paul   This file is in the public domain.
+ */
+
+#include <math.h>
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+#ifdef _WIN32
+#include <windows.h>
+#endif
+#define GL_GLEXT_PROTOTYPES
+#include "GL/glut.h"
+
+#include "readtex.h"
+
+#define IMAGE_FILE "../images/girl.rgb"
+
+
+#ifndef M_PI
+#  define M_PI 3.14159265
+#endif
+
+
+
+static GLubyte *Image;
+static int ImgWidth, ImgHeight;
+static GLenum ImgFormat;
+
+typedef void (APIENTRY * PFNWINDOWPOSFUNC)(GLfloat x, GLfloat y);
+static PFNWINDOWPOSFUNC WindowPosFunc;
+
+static void draw( void )
+{
+   GLfloat angle;
+
+   glClear( GL_COLOR_BUFFER_BIT );
+
+   for (angle = -45.0; angle <= 135.0; angle += 10.0) {
+      GLfloat x = 50.0 + 200.0 * cos( angle * M_PI / 180.0 );
+      GLfloat y = 50.0 + 200.0 * sin( angle * M_PI / 180.0 );
+
+      /* Don't need to worry about the modelview or projection matrices!!! */
+      (*WindowPosFunc)( x, y );
+
+      glDrawPixels( ImgWidth, ImgHeight, ImgFormat, GL_UNSIGNED_BYTE, Image );
+   }
+   glFinish();
+}
+
+
+static void key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 27:
+         exit(0);
+   }
+}
+
+
+/* new window size or exposure */
+static void reshape( int width, int height )
+{
+   glViewport(0, 0, (GLint)width, (GLint)height);
+}
+
+
+static void init( void )
+{
+#ifdef GL_ARB_window_pos
+   if (glutExtensionSupported("GL_ARB_window_pos")) {
+      printf("Using GL_ARB_window_pos\n");
+      WindowPosFunc = &glWindowPos2fARB;
+   }
+   else
+#elif defined(GL_ARB_window_pos)
+   if (glutExtensionSupported("GL_MESA_window_pos")) {
+      printf("Using GL_MESA_window_pos\n");
+      WindowPosFunc = &glWindowPos2fMESA;
+   }
+   else
+#endif
+   {
+      printf("Sorry, GL_ARB/MESA_window_pos extension not available.\n");
+      exit(1);
+   }
+
+   Image = LoadRGBImage( IMAGE_FILE, &ImgWidth, &ImgHeight, &ImgFormat );
+   if (!Image) {
+      printf("Couldn't read %s\n", IMAGE_FILE);
+      exit(0);
+   }
+   glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+}
+
+
+int main( int argc, char *argv[] )
+{
+   glutInitWindowPosition(0, 0);
+   glutInitWindowSize(500, 500);
+   glutInitDisplayMode( GLUT_RGB );
+
+   if (glutCreateWindow("winpos") <= 0) {
+      exit(0);
+   }
+
+   init();
+
+   glutReshapeFunc( reshape );
+   glutKeyboardFunc( key );
+   glutDisplayFunc( draw );
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/egl/Makefile b/nx-X11/extras/Mesa_6.4.2/progs/egl/Makefile
new file mode 100644
index 000000000..41cadf97d
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/egl/Makefile
@@ -0,0 +1,65 @@
+# progs/egl/Makefile
+
+TOP = ../..
+include $(TOP)/configs/current
+
+
+INCLUDE_DIRS = -I$(TOP)/include
+
+HEADERS = $(TOP)/include/GLES/egl.h
+
+PROGRAMS = \
+	demo1 \
+	demo2 \
+	demo3 \
+	eglinfo \
+	eglgears
+
+
+.c.o:
+	$(CC) -c $(INCLUDE_DIRS) $(CFLAGS) $< -o $@
+
+
+
+default: $(PROGRAMS)
+
+
+demo1: demo1.o $(LIB_DIR)/libEGL.so
+	$(CC) $(CFLAGS) demo1.o -L$(LIB_DIR) -lEGL $(LIBDRM_LIB) -o $@
+
+demo1.o: demo1.c $(HEADERS)
+	$(CC) -c $(CFLAGS) -I$(TOP)/include demo1.c
+
+
+demo2: demo2.o $(LIB_DIR)/libEGL.so
+	$(CC) $(CFLAGS) demo2.o -L$(LIB_DIR) -lEGL $(LIBDRM_LIB) $(APP_LIB_DEPS) -o $@
+
+demo2.o: demo2.c $(HEADERS)
+	$(CC) -c $(CFLAGS) -I$(TOP)/include demo2.c
+
+
+demo3: demo3.o $(LIB_DIR)/libEGL.so
+	$(CC) $(CFLAGS) demo3.o -L$(LIB_DIR) -lEGL $(LIBDRM_LIB) $(APP_LIB_DEPS) -o $@
+
+demo3.o: demo3.c $(HEADERS)
+	$(CC) -c $(CFLAGS) -I$(TOP)/include demo3.c
+
+
+eglinfo: eglinfo.o $(LIB_DIR)/libEGL.so
+	$(CC) $(CFLAGS) eglinfo.o -L$(LIB_DIR) -lEGL $(LIBDRM_LIB) -o $@
+
+eglinfo.o: eglinfo.c $(HEADERS)
+	$(CC) -c $(CFLAGS) -I$(TOP)/include eglinfo.c
+
+
+eglgears: eglgears.o $(LIB_DIR)/libEGL.so
+	$(CC) $(CFLAGS) eglgears.o -L$(LIB_DIR) -lEGL $(LIBDRM_LIB) $(APP_LIB_DEPS) -o $@
+
+eglgears.o: eglgears.c $(HEADERS)
+	$(CC) -c $(CFLAGS) -I$(TOP)/include eglgears.c
+
+
+clean:
+	rm -f *.o *~
+	rm -f *.so
+	rm -f $(PROGRAMS)
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/egl/demo1.c b/nx-X11/extras/Mesa_6.4.2/progs/egl/demo1.c
new file mode 100644
index 000000000..9ef17e38b
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/egl/demo1.c
@@ -0,0 +1,145 @@
+/*
+ * Exercise EGL API functions
+ */
+
+#include <GLES/egl.h>
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+
+/**
+ * Test EGL_MESA_screen_surface functions
+ */
+static void
+TestScreens(EGLDisplay dpy)
+{
+#define MAX 8
+   EGLScreenMESA screens[MAX];
+   EGLint numScreens;
+   EGLint i;
+
+   eglGetScreensMESA(dpy, screens, MAX, &numScreens);
+   printf("Found %d screens\n", numScreens);
+   for (i = 0; i < numScreens; i++) {
+      printf(" Screen %d handle: %d\n", i, (int) screens[i]);
+   }
+}
+
+/**
+ * Print table of all available configurations.
+ */
+static void
+PrintConfigs(EGLDisplay d)
+{
+   EGLConfig *configs;
+   EGLint numConfigs, i;
+
+   eglGetConfigs(d, NULL, 0, &numConfigs);
+   configs = malloc(sizeof(*configs) *numConfigs);
+   eglGetConfigs(d, configs, numConfigs, &numConfigs);
+
+   printf("Configurations:\n");
+   printf("     bf lv d st colorbuffer dp st   supported \n");
+   printf("  id sz  l b ro  r  g  b  a th cl   surfaces  \n");
+   printf("----------------------------------------------\n");
+   for (i = 0; i < numConfigs; i++) {
+      EGLint id, size, level;
+      EGLint red, green, blue, alpha;
+      EGLint depth, stencil;
+      EGLint surfaces;
+      EGLint doubleBuf = 1, stereo = 0;
+      char surfString[100] = "";
+
+      eglGetConfigAttrib(d, configs[i], EGL_CONFIG_ID, &id);
+      eglGetConfigAttrib(d, configs[i], EGL_BUFFER_SIZE, &size);
+      eglGetConfigAttrib(d, configs[i], EGL_LEVEL, &level);
+
+      eglGetConfigAttrib(d, configs[i], EGL_RED_SIZE, &red);
+      eglGetConfigAttrib(d, configs[i], EGL_GREEN_SIZE, &green);
+      eglGetConfigAttrib(d, configs[i], EGL_BLUE_SIZE, &blue);
+      eglGetConfigAttrib(d, configs[i], EGL_ALPHA_SIZE, &alpha);
+      eglGetConfigAttrib(d, configs[i], EGL_DEPTH_SIZE, &depth);
+      eglGetConfigAttrib(d, configs[i], EGL_STENCIL_SIZE, &stencil);
+      eglGetConfigAttrib(d, configs[i], EGL_SURFACE_TYPE, &surfaces);
+
+      if (surfaces & EGL_WINDOW_BIT)
+         strcat(surfString, "win,");
+      if (surfaces & EGL_PBUFFER_BIT)
+         strcat(surfString, "pb,");
+      if (surfaces & EGL_PIXMAP_BIT)
+         strcat(surfString, "pix,");
+      if (strlen(surfString) > 0)
+         surfString[strlen(surfString) - 1] = 0;
+
+      printf("0x%02x %2d %2d %c  %c %2d %2d %2d %2d %2d %2d   %-12s\n",
+             id, size, level,
+             doubleBuf ? 'y' : '.',
+             stereo ? 'y' : '.',
+             red, green, blue, alpha,
+             depth, stencil, surfString);
+   }
+   free(configs);
+}
+
+
+
+int
+main(int argc, char *argv[])
+{
+   int maj, min;
+   EGLContext ctx;
+   EGLSurface pbuffer;
+   EGLConfig configs[10];
+   EGLBoolean b;
+   const EGLint pbufAttribs[] = {
+      EGL_WIDTH, 500,
+      EGL_HEIGHT, 500,
+      EGL_NONE
+   };
+
+   /*
+   EGLDisplay d = eglGetDisplay(EGL_DEFAULT_DISPLAY);
+   */
+   EGLDisplay d = eglGetDisplay("!fb_dri");
+   assert(d);
+
+   if (!eglInitialize(d, &maj, &min)) {
+      printf("demo: eglInitialize failed\n");
+      exit(1);
+   }
+
+   printf("EGL version = %d.%d\n", maj, min);
+   printf("EGL_VENDOR = %s\n", eglQueryString(d, EGL_VENDOR));
+
+   PrintConfigs(d);
+
+   ctx = eglCreateContext(d, configs[0], EGL_NO_CONTEXT, NULL);
+   if (ctx == EGL_NO_CONTEXT) {
+      printf("failed to create context\n");
+      return 0;
+   }
+
+   pbuffer = eglCreatePbufferSurface(d, configs[0], pbufAttribs);
+   if (pbuffer == EGL_NO_SURFACE) {
+      printf("failed to create pbuffer\n");
+      return 0;
+   }
+
+   b = eglMakeCurrent(d, pbuffer, pbuffer, ctx);
+   if (!b) {
+      printf("make current failed\n");
+      return 0;
+   }
+
+   b = eglMakeCurrent(d, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
+
+   TestScreens(d);
+
+   eglDestroySurface(d, pbuffer);
+   eglDestroyContext(d, ctx);
+   eglTerminate(d);
+
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/egl/demo2.c b/nx-X11/extras/Mesa_6.4.2/progs/egl/demo2.c
new file mode 100644
index 000000000..7abe947b9
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/egl/demo2.c
@@ -0,0 +1,190 @@
+/*
+ * Exercise EGL API functions
+ */
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include <GLES/egl.h>
+
+/*#define FRONTBUFFER*/
+
+static void _subset_Rectf(GLfloat x1, GLfloat y1, GLfloat x2, GLfloat y2)
+{
+   glBegin( GL_QUADS );
+   glVertex2f( x1, y1 );
+   glVertex2f( x2, y1 );
+   glVertex2f( x2, y2 );
+   glVertex2f( x1, y2 );
+   glEnd();
+}
+
+
+static void redraw(EGLDisplay dpy, EGLSurface surf, int rot)
+{
+   printf("Redraw event\n");
+
+#ifdef FRONTBUFFER
+    glDrawBuffer( GL_FRONT ); 
+#else
+    glDrawBuffer( GL_BACK );
+#endif
+
+   glClearColor( rand()/(float)RAND_MAX, 
+		 rand()/(float)RAND_MAX, 
+		 rand()/(float)RAND_MAX,
+		 1);
+
+   glClear( GL_COLOR_BUFFER_BIT ); 
+
+   glColor3f( rand()/(float)RAND_MAX, 
+	      rand()/(float)RAND_MAX, 
+	      rand()/(float)RAND_MAX );
+   glPushMatrix();
+   glRotatef(rot, 0, 0, 1);
+   glScalef(.5, .5, .5);
+   _subset_Rectf( -1, -1, 1, 1 );
+   glPopMatrix();
+
+#ifdef FRONTBUFFER
+   glFlush();
+#else
+   eglSwapBuffers( dpy, surf ); 
+#endif
+   glFinish();
+}
+
+
+/**
+ * Test EGL_MESA_screen_surface functions
+ */
+static void
+TestScreens(EGLDisplay dpy)
+{
+#define MAX 8
+   EGLScreenMESA screens[MAX];
+   EGLint numScreens;
+   EGLint i;
+
+   eglGetScreensMESA(dpy, screens, MAX, &numScreens);
+   printf("Found %d screens\n", numScreens);
+   for (i = 0; i < numScreens; i++) {
+      printf(" Screen %d handle: %d\n", i, (int) screens[i]);
+   }
+}
+
+
+int
+main(int argc, char *argv[])
+{
+   int maj, min;
+   EGLContext ctx;
+   EGLSurface pbuffer, screen_surf;
+   EGLConfig configs[10];
+   EGLint numConfigs, i;
+   EGLBoolean b;
+   const EGLint pbufAttribs[] = {
+      EGL_WIDTH, 500,
+      EGL_HEIGHT, 500,
+      EGL_NONE
+   };
+   const EGLint screenAttribs[] = {
+      EGL_WIDTH, 1024,
+      EGL_HEIGHT, 768,
+      EGL_NONE
+   };
+   EGLModeMESA mode;
+   EGLScreenMESA screen;
+   EGLint count;
+
+   /*
+   EGLDisplay d = eglGetDisplay(EGL_DEFAULT_DISPLAY);
+   */
+   EGLDisplay d = eglGetDisplay("!fb_dri");
+   assert(d);
+
+   if (!eglInitialize(d, &maj, &min)) {
+      printf("demo: eglInitialize failed\n");
+      exit(1);
+   }
+
+   printf("EGL version = %d.%d\n", maj, min);
+   printf("EGL_VENDOR = %s\n", eglQueryString(d, EGL_VENDOR));
+
+   eglGetConfigs(d, configs, 10, &numConfigs);
+   printf("Got %d EGL configs:\n", numConfigs);
+   for (i = 0; i < numConfigs; i++) {
+      EGLint id, red, depth;
+      eglGetConfigAttrib(d, configs[i], EGL_CONFIG_ID, &id);
+      eglGetConfigAttrib(d, configs[i], EGL_RED_SIZE, &red);
+      eglGetConfigAttrib(d, configs[i], EGL_DEPTH_SIZE, &depth);
+      printf("%2d:  Red Size = %d  Depth Size = %d\n", id, red, depth);
+   }
+   
+   eglGetScreensMESA(d, &screen, 1, &count);
+   eglGetModesMESA(d, screen, &mode, 1, &count);
+
+   ctx = eglCreateContext(d, configs[0], EGL_NO_CONTEXT, NULL);
+   if (ctx == EGL_NO_CONTEXT) {
+      printf("failed to create context\n");
+      return 0;
+   }
+
+   pbuffer = eglCreatePbufferSurface(d, configs[0], pbufAttribs);
+   if (pbuffer == EGL_NO_SURFACE) {
+      printf("failed to create pbuffer\n");
+      return 0;
+   }
+
+   b = eglMakeCurrent(d, pbuffer, pbuffer, ctx);
+   if (!b) {
+      printf("make current failed\n");
+      return 0;
+   }
+
+   b = eglMakeCurrent(d, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
+
+   screen_surf = eglCreateScreenSurfaceMESA(d, configs[0], screenAttribs);
+   if (screen_surf == EGL_NO_SURFACE) {
+      printf("failed to create screen surface\n");
+      return 0;
+   }
+   
+   eglShowSurfaceMESA(d, screen, screen_surf, mode);
+
+   b = eglMakeCurrent(d, screen_surf, screen_surf, ctx);
+   if (!b) {
+      printf("make current failed\n");
+      return 0;
+   }
+
+   glViewport(0, 0, 1024, 768);
+   glDrawBuffer( GL_FRONT ); 
+
+   glClearColor( 0, 
+		 1.0, 
+		 0,
+		 1);
+
+   glClear( GL_COLOR_BUFFER_BIT ); 
+   
+      
+   TestScreens(d);
+
+   glShadeModel( GL_FLAT );
+   
+   for (i = 0; i < 6; i++) {
+      redraw(d, screen_surf, i*10 );
+
+      printf("sleep(1)\n");   
+      sleep(1);  
+   }
+
+   eglDestroySurface(d, pbuffer);
+   eglDestroyContext(d, ctx);
+   eglTerminate(d);
+
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/egl/demo3.c b/nx-X11/extras/Mesa_6.4.2/progs/egl/demo3.c
new file mode 100644
index 000000000..2693c3720
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/egl/demo3.c
@@ -0,0 +1,636 @@
+/*
+ * Exercise EGL API functions
+ */
+
+#include <GLES/egl.h>
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+
+
+#define PIXEL_CENTER(x) ((long)(x) + 0.5)
+
+#define GAP 10
+#define ROWS 3
+#define COLS 4
+
+#define OPENGL_WIDTH 48
+#define OPENGL_HEIGHT 13
+
+
+GLenum rgb, doubleBuffer, windType;
+GLint windW, windH;
+
+GLenum mode1, mode2;
+GLint boxW, boxH;
+GLubyte OpenGL_bits[] = {
+   0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 
+   0x7f, 0xfb, 0xff, 0xff, 0xff, 0x01,
+   0x7f, 0xfb, 0xff, 0xff, 0xff, 0x01, 
+   0x00, 0x03, 0x00, 0x00, 0x00, 0x00,
+   0x3e, 0x8f, 0xb7, 0xf9, 0xfc, 0x01, 
+   0x63, 0xdb, 0xb0, 0x8d, 0x0d, 0x00,
+   0x63, 0xdb, 0xb7, 0x8d, 0x0d, 0x00, 
+   0x63, 0xdb, 0xb6, 0x8d, 0x0d, 0x00,
+   0x63, 0x8f, 0xf3, 0xcc, 0x0d, 0x00, 
+   0x63, 0x00, 0x00, 0x0c, 0x4c, 0x0a,
+   0x63, 0x00, 0x00, 0x0c, 0x4c, 0x0e, 
+   0x63, 0x00, 0x00, 0x8c, 0xed, 0x0e,
+   0x3e, 0x00, 0x00, 0xf8, 0x0c, 0x00, 
+};
+
+
+static void Init(void)
+{
+
+    mode1 = GL_TRUE;
+    mode2 = GL_TRUE;
+}
+
+static void Reshape(int width, int height)
+{
+
+    windW = (GLint)width;
+    windH = (GLint)height;
+}
+
+#if 0
+static void RotateColorMask(void)
+{
+    static GLint rotation = 0;
+    
+    rotation = (rotation + 1) & 0x3;
+    switch (rotation) {
+      case 0:
+	glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
+	glIndexMask( 0xff );
+	break;
+      case 1:
+	glColorMask(GL_FALSE, GL_TRUE, GL_TRUE, GL_TRUE);
+	glIndexMask(0xFE);
+	break;
+      case 2:
+	glColorMask(GL_TRUE, GL_FALSE, GL_TRUE, GL_TRUE);
+	glIndexMask(0xFD);
+	break;
+      case 3:
+	glColorMask(GL_TRUE, GL_TRUE, GL_FALSE, GL_TRUE);
+	glIndexMask(0xFB);
+	break;
+    }
+}
+#endif
+
+static void Viewport(GLint row, GLint column)
+{
+    GLint x, y;
+
+    boxW = (windW - (COLS + 1) * GAP) / COLS;
+    boxH = (windH - (ROWS + 1) * GAP) / ROWS;
+
+    x = GAP + column * (boxW + GAP);
+    y = GAP + row * (boxH + GAP);
+
+    glViewport(x, y, boxW, boxH);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glOrtho(-boxW/2, boxW/2, -boxH/2, boxH/2, 0.0, 1.0);
+    glMatrixMode(GL_MODELVIEW);
+
+    glEnable(GL_SCISSOR_TEST);
+    glScissor(x, y, boxW, boxH);
+}
+
+enum {
+    COLOR_BLACK = 0,
+    COLOR_RED,
+    COLOR_GREEN,
+    COLOR_YELLOW,
+    COLOR_BLUE,
+    COLOR_MAGENTA,
+    COLOR_CYAN,
+    COLOR_WHITE
+};
+
+static float RGBMap[9][3] = {
+    {0, 0, 0},
+    {1, 0, 0},
+    {0, 1, 0},
+    {1, 1, 0},
+    {0, 0, 1},
+    {1, 0, 1},
+    {0, 1, 1},
+    {1, 1, 1},
+    {0.5, 0.5, 0.5}
+};
+
+static void SetColor(int c)
+{
+     glColor3fv(RGBMap[c]);
+}
+
+static void Point(void)
+{
+    GLint i;
+
+    glBegin(GL_POINTS);
+	SetColor(COLOR_WHITE);
+	glVertex2i(0, 0);
+	for (i = 1; i < 8; i++) {
+	    GLint j = i * 2;
+	    SetColor(COLOR_BLACK+i);
+	    glVertex2i(-j, -j);
+	    glVertex2i(-j, 0);
+	    glVertex2i(-j, j);
+	    glVertex2i(0, j);
+	    glVertex2i(j, j);
+	    glVertex2i(j, 0);
+	    glVertex2i(j, -j);
+	    glVertex2i(0, -j);
+	}
+    glEnd();
+}
+
+static void Lines(void)
+{
+    GLint i;
+
+    glPushMatrix();
+
+    glTranslatef(-12, 0, 0);
+    for (i = 1; i < 8; i++) {
+	SetColor(COLOR_BLACK+i);
+	glBegin(GL_LINES);
+	    glVertex2i(-boxW/4, -boxH/4);
+	    glVertex2i(boxW/4, boxH/4);
+	glEnd();
+	glTranslatef(4, 0, 0);
+    }
+
+    glPopMatrix();
+
+    glBegin(GL_LINES);
+	glVertex2i(0, 0);
+    glEnd();
+}
+
+static void LineStrip(void)
+{
+
+    glBegin(GL_LINE_STRIP);
+	SetColor(COLOR_RED);
+	glVertex2f(PIXEL_CENTER(-boxW/4), PIXEL_CENTER(-boxH/4));
+	SetColor(COLOR_GREEN);
+	glVertex2f(PIXEL_CENTER(-boxW/4), PIXEL_CENTER(boxH/4));
+	SetColor(COLOR_BLUE);
+	glVertex2f(PIXEL_CENTER(boxW/4), PIXEL_CENTER(boxH/4));
+	SetColor(COLOR_WHITE);
+	glVertex2f(PIXEL_CENTER(boxW/4), PIXEL_CENTER(-boxH/4));
+    glEnd();
+
+    glBegin(GL_LINE_STRIP);
+	glVertex2i(0, 0);
+    glEnd();
+}
+
+static void LineLoop(void)
+{
+
+    glBegin(GL_LINE_LOOP);
+	SetColor(COLOR_RED);
+	glVertex2f(PIXEL_CENTER(-boxW/4), PIXEL_CENTER(-boxH/4));
+	SetColor(COLOR_GREEN);
+	glVertex2f(PIXEL_CENTER(-boxW/4), PIXEL_CENTER(boxH/4));
+	SetColor(COLOR_BLUE);
+	glVertex2f(PIXEL_CENTER(boxW/4), PIXEL_CENTER(boxH/4));
+	SetColor(COLOR_WHITE);
+	glVertex2f(PIXEL_CENTER(boxW/4), PIXEL_CENTER(-boxH/4));
+    glEnd();
+
+    glEnable(GL_LOGIC_OP);
+    glLogicOp(GL_XOR);
+
+    glEnable(GL_BLEND);
+    glBlendFunc(GL_ONE, GL_ONE);
+
+    SetColor(COLOR_MAGENTA);
+    glBegin(GL_LINE_LOOP);
+	glVertex2f(PIXEL_CENTER(-boxW/8), PIXEL_CENTER(-boxH/8));
+	glVertex2f(PIXEL_CENTER(-boxW/8), PIXEL_CENTER(boxH/8));
+    glEnd();
+    glBegin(GL_LINE_LOOP);
+	glVertex2f(PIXEL_CENTER(-boxW/8), PIXEL_CENTER(boxH/8+5));
+	glVertex2f(PIXEL_CENTER(boxW/8), PIXEL_CENTER(boxH/8+5));
+    glEnd();
+    glDisable(GL_LOGIC_OP);
+    glDisable(GL_BLEND);
+
+    SetColor(COLOR_GREEN);
+    glBegin(GL_POINTS);
+	glVertex2i(0, 0);
+    glEnd();
+
+    glBegin(GL_LINE_LOOP);
+	glVertex2i(0, 0);
+    glEnd();
+}
+
+static void Bitmap(void)
+{
+
+    glBegin(GL_LINES);
+	SetColor(COLOR_GREEN);
+	glVertex2i(-boxW/2, 0);
+	glVertex2i(boxW/2, 0);
+	glVertex2i(0, -boxH/2);
+	glVertex2i(0, boxH/2);
+	SetColor(COLOR_RED);
+	glVertex2i(0, -3);
+	glVertex2i(0, -3+OPENGL_HEIGHT);
+	SetColor(COLOR_BLUE);
+	glVertex2i(0, -3);
+	glVertex2i(OPENGL_WIDTH, -3);
+    glEnd();
+
+    SetColor(COLOR_GREEN);
+
+    glPixelStorei(GL_UNPACK_LSB_FIRST, GL_TRUE);
+    glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+
+    glRasterPos2i(0, 0);
+    glBitmap(OPENGL_WIDTH, OPENGL_HEIGHT, 0, 3, 0.0, 0.0, OpenGL_bits);
+}
+
+static void Triangles(void)
+{
+
+    glBegin(GL_TRIANGLES);
+	SetColor(COLOR_GREEN);
+	glVertex2i(-boxW/4, -boxH/4);
+	SetColor(COLOR_RED);
+	glVertex2i(-boxW/8, -boxH/16);
+	SetColor(COLOR_BLUE);
+	glVertex2i(boxW/8, -boxH/16);
+
+	SetColor(COLOR_GREEN);
+	glVertex2i(-boxW/4, boxH/4);
+	SetColor(COLOR_RED);
+	glVertex2i(-boxW/8, boxH/16);
+	SetColor(COLOR_BLUE);
+	glVertex2i(boxW/8, boxH/16);
+    glEnd();
+
+    glBegin(GL_TRIANGLES);
+	glVertex2i(0, 0);
+	glVertex2i(-100, 100);
+    glEnd();
+}
+
+static void TriangleStrip(void)
+{
+
+    glBegin(GL_TRIANGLE_STRIP);
+	SetColor(COLOR_GREEN);
+	glVertex2i(-boxW/4, -boxH/4);
+	SetColor(COLOR_RED);
+	glVertex2i(-boxW/4, boxH/4);
+	SetColor(COLOR_BLUE);
+	glVertex2i(0, -boxH/4);
+	SetColor(COLOR_WHITE);
+	glVertex2i(0, boxH/4);
+	SetColor(COLOR_CYAN);
+	glVertex2i(boxW/4, -boxH/4);
+	SetColor(COLOR_YELLOW);
+	glVertex2i(boxW/4, boxH/4);
+    glEnd();
+
+    glBegin(GL_TRIANGLE_STRIP);
+	glVertex2i(0, 0);
+	glVertex2i(-100, 100);
+    glEnd();
+}
+
+static void TriangleFan(void)
+{
+    GLint vx[8][2];
+    GLint x0, y0, x1, y1, x2, y2, x3, y3;
+    GLint i;
+
+    y0 = -boxH/4;
+    y1 = y0 + boxH/2/3;
+    y2 = y1 + boxH/2/3;
+    y3 = boxH/4;
+    x0 = -boxW/4;
+    x1 = x0 + boxW/2/3;
+    x2 = x1 + boxW/2/3;
+    x3 = boxW/4;
+
+    vx[0][0] = x0; vx[0][1] = y1;
+    vx[1][0] = x0; vx[1][1] = y2;
+    vx[2][0] = x1; vx[2][1] = y3;
+    vx[3][0] = x2; vx[3][1] = y3;
+    vx[4][0] = x3; vx[4][1] = y2;
+    vx[5][0] = x3; vx[5][1] = y1;
+    vx[6][0] = x2; vx[6][1] = y0;
+    vx[7][0] = x1; vx[7][1] = y0;
+
+    glBegin(GL_TRIANGLE_FAN);
+	SetColor(COLOR_WHITE);
+	glVertex2i(0, 0);
+	for (i = 0; i < 8; i++) {
+	    SetColor(COLOR_WHITE-i);
+	    glVertex2iv(vx[i]);
+	}
+    glEnd();
+
+    glBegin(GL_TRIANGLE_FAN);
+	glVertex2i(0, 0);
+	glVertex2i(-100, 100);
+    glEnd();
+}
+
+static void Rect(void)
+{
+
+    SetColor(COLOR_GREEN);
+    glRecti(-boxW/4, -boxH/4, boxW/4, boxH/4);
+}
+
+static void PolygonFunc(void)
+{
+    GLint vx[8][2];
+    GLint x0, y0, x1, y1, x2, y2, x3, y3;
+    GLint i;
+
+    y0 = -boxH/4;
+    y1 = y0 + boxH/2/3;
+    y2 = y1 + boxH/2/3;
+    y3 = boxH/4;
+    x0 = -boxW/4;
+    x1 = x0 + boxW/2/3;
+    x2 = x1 + boxW/2/3;
+    x3 = boxW/4;
+
+    vx[0][0] = x0; vx[0][1] = y1;
+    vx[1][0] = x0; vx[1][1] = y2;
+    vx[2][0] = x1; vx[2][1] = y3;
+    vx[3][0] = x2; vx[3][1] = y3;
+    vx[4][0] = x3; vx[4][1] = y2;
+    vx[5][0] = x3; vx[5][1] = y1;
+    vx[6][0] = x2; vx[6][1] = y0;
+    vx[7][0] = x1; vx[7][1] = y0;
+
+    glBegin(GL_POLYGON);
+	for (i = 0; i < 8; i++) {
+	    SetColor(COLOR_WHITE-i);
+	    glVertex2iv(vx[i]);
+	}
+    glEnd();
+
+    glBegin(GL_POLYGON);
+	glVertex2i(0, 0);
+	glVertex2i(100, 100);
+    glEnd();
+}
+
+static void Quads(void)
+{
+
+    glBegin(GL_QUADS);
+	SetColor(COLOR_GREEN);
+	glVertex2i(-boxW/4, -boxH/4);
+	SetColor(COLOR_RED);
+	glVertex2i(-boxW/8, -boxH/16);
+	SetColor(COLOR_BLUE);
+	glVertex2i(boxW/8, -boxH/16);
+	SetColor(COLOR_WHITE);
+	glVertex2i(boxW/4, -boxH/4);
+
+	SetColor(COLOR_GREEN);
+	glVertex2i(-boxW/4, boxH/4);
+	SetColor(COLOR_RED);
+	glVertex2i(-boxW/8, boxH/16);
+	SetColor(COLOR_BLUE);
+	glVertex2i(boxW/8, boxH/16);
+	SetColor(COLOR_WHITE);
+	glVertex2i(boxW/4, boxH/4);
+    glEnd();
+
+    glBegin(GL_QUADS);
+	glVertex2i(0, 0);
+	glVertex2i(100, 100);
+	glVertex2i(-100, 100);
+    glEnd();
+}
+
+static void QuadStrip(void)
+{
+
+    glBegin(GL_QUAD_STRIP);
+	SetColor(COLOR_GREEN);
+	glVertex2i(-boxW/4, -boxH/4);
+	SetColor(COLOR_RED);
+	glVertex2i(-boxW/4, boxH/4);
+	SetColor(COLOR_BLUE);
+	glVertex2i(0, -boxH/4);
+	SetColor(COLOR_WHITE);
+	glVertex2i(0, boxH/4);
+	SetColor(COLOR_CYAN);
+	glVertex2i(boxW/4, -boxH/4);
+	SetColor(COLOR_YELLOW);
+	glVertex2i(boxW/4, boxH/4);
+    glEnd();
+
+    glBegin(GL_QUAD_STRIP);
+	glVertex2i(0, 0);
+	glVertex2i(100, 100);
+	glVertex2i(-100, 100);
+    glEnd();
+}
+
+static void Draw(EGLDisplay dpy, EGLSurface surf)
+{
+
+    glViewport(0, 0, windW, windH);
+    glDisable(GL_SCISSOR_TEST);
+
+    glPushAttrib(GL_COLOR_BUFFER_BIT);
+
+    glColorMask(1, 1, 1, 1);
+    glIndexMask(~0);
+
+    glClearColor(0.0, 0.0, 0.0, 0.0);
+    glClear(GL_COLOR_BUFFER_BIT);
+
+    glPopAttrib();
+
+    if (mode1) {
+	glShadeModel(GL_SMOOTH);
+    } else {
+	glShadeModel(GL_FLAT);
+    }
+
+    if (mode2) {
+	glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
+    } else {
+	glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
+    }
+
+    Viewport(0, 0); Point();
+    Viewport(0, 1); Lines();
+    Viewport(0, 2); LineStrip();
+    Viewport(0, 3); LineLoop();
+
+    Viewport(1, 0); Bitmap();
+
+    Viewport(1, 1); TriangleFan();
+    Viewport(1, 2); Triangles();
+    Viewport(1, 3); TriangleStrip();
+
+    Viewport(2, 0); Rect();
+    Viewport(2, 1); PolygonFunc();
+    Viewport(2, 2); Quads();
+    Viewport(2, 3); QuadStrip();
+
+    glFlush();
+
+    if (doubleBuffer) {
+	eglSwapBuffers(dpy, surf);
+    }
+}
+
+static void
+write_ppm(const char *filename, const GLubyte *buffer, int width, int height)
+{
+   const int binary = 0;
+   FILE *f = fopen( filename, "w" );
+   if (f) {
+      int i, x, y;
+      const GLubyte *ptr = buffer;
+      if (binary) {
+         fprintf(f,"P6\n");
+         fprintf(f,"# ppm-file created by osdemo.c\n");
+         fprintf(f,"%i %i\n", width,height);
+         fprintf(f,"255\n");
+         fclose(f);
+         f = fopen( filename, "ab" );  /* reopen in binary append mode */
+         for (y=height-1; y>=0; y--) {
+            for (x=0; x<width; x++) {
+               i = (y*width + x) * 4;
+               fputc(ptr[i], f);   /* write red */
+               fputc(ptr[i+1], f); /* write green */
+               fputc(ptr[i+2], f); /* write blue */
+            }
+         }
+      }
+      else {
+         /*ASCII*/
+         int counter = 0;
+         fprintf(f,"P3\n");
+         fprintf(f,"# ascii ppm file created by osdemo.c\n");
+         fprintf(f,"%i %i\n", width, height);
+         fprintf(f,"255\n");
+         for (y=height-1; y>=0; y--) {
+            for (x=0; x<width; x++) {
+               i = (y*width + x) * 4;
+               fprintf(f, " %3d %3d %3d", ptr[i], ptr[i+1], ptr[i+2]);
+               counter++;
+               if (counter % 5 == 0)
+                  fprintf(f, "\n");
+            }
+         }
+      }
+      fclose(f);
+   }
+}
+
+#include "../src/egl/main/egldisplay.h"
+
+typedef struct fb_display
+{
+   _EGLDisplay Base;  /* base class/object */
+   void *pFB;
+} fbDisplay;
+
+
+int
+main(int argc, char *argv[])
+{
+   int maj, min;
+   EGLContext ctx;
+   EGLSurface screen_surf;
+   EGLConfig configs[10];
+   EGLScreenMESA screen;
+   EGLModeMESA mode;
+   EGLint numConfigs, count;
+   EGLBoolean b;
+   const EGLint screenAttribs[] = {
+      EGL_WIDTH, 1024,
+      EGL_HEIGHT, 768,
+      EGL_NONE
+   };
+
+   /*
+   EGLDisplay d = eglGetDisplay(EGL_DEFAULT_DISPLAY);
+   */
+   EGLDisplay d = eglGetDisplay(":0");
+   assert(d);
+
+   if (!eglInitialize(d, &maj, &min)) {
+      printf("demo: eglInitialize failed\n");
+      exit(1);
+   }
+
+   printf("EGL version = %d.%d\n", maj, min);
+   printf("EGL_VENDOR = %s\n", eglQueryString(d, EGL_VENDOR));
+
+   eglGetConfigs(d, configs, 10, &numConfigs);
+   eglGetScreensMESA(d, &screen, 1, &count);
+   eglGetModesMESA(d, screen, &mode, 1, &count);
+
+   ctx = eglCreateContext(d, configs[0], EGL_NO_CONTEXT, NULL);
+   if (ctx == EGL_NO_CONTEXT) {
+      printf("failed to create context\n");
+      return 0;
+   }
+
+   screen_surf = eglCreateScreenSurfaceMESA(d, configs[0], screenAttribs);
+   if (screen_surf == EGL_NO_SURFACE) {
+      printf("failed to create screen surface\n");
+      return 0;
+   }
+
+   eglShowSurfaceMESA(d, screen, screen_surf, mode);
+
+   b = eglMakeCurrent(d, screen_surf, screen_surf, ctx);
+   if (!b) {
+      printf("make current failed\n");
+      return 0;
+   }
+   glViewport(0, 0, 1024, 768);
+
+
+   Init();
+   Reshape(1024, 768);
+
+   glDrawBuffer( GL_FRONT );
+   glClearColor( 0, 1.0, 0, 1);
+
+   glClear( GL_COLOR_BUFFER_BIT );
+
+   doubleBuffer = 1;
+   glDrawBuffer( GL_BACK );
+
+   Draw(d, screen_surf);
+
+   write_ppm("dump.ppm", ((struct fb_display *)_eglLookupDisplay(d))->pFB, 1024, 768);
+
+   eglDestroySurface(d, screen_surf);
+   eglDestroyContext(d, ctx);
+   eglTerminate(d);
+
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/egl/eglgears.c b/nx-X11/extras/Mesa_6.4.2/progs/egl/eglgears.c
new file mode 100644
index 000000000..0c3da565f
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/egl/eglgears.c
@@ -0,0 +1,448 @@
+/*
+ * Copyright (C) 1999-2001  Brian Paul   All Rights Reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/*
+ * This is a port of the infamous "glxgears" demo to straight EGL
+ * Port by Dane Rushton 10 July 2005
+ * 
+ * No command line options.
+ * Program runs for 5 seconds then exits, outputing framerate to console
+ */
+
+#include <math.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <GL/gl.h>
+#include <GLES/egl.h>
+#include <assert.h>
+
+
+#define BENCHMARK
+
+#ifdef BENCHMARK
+
+/* XXX this probably isn't very portable */
+
+#include <sys/time.h>
+#include <unistd.h>
+
+/* return current time (in seconds) */
+static double
+current_time(void)
+{
+   struct timeval tv;
+#ifdef __VMS
+   (void) gettimeofday(&tv, NULL );
+#else
+   struct timezone tz;
+   (void) gettimeofday(&tv, &tz);
+#endif
+   return (double) tv.tv_sec + tv.tv_usec / 1000000.0;
+}
+
+#else /*BENCHMARK*/
+
+/* dummy */
+static double
+current_time(void)
+{
+   /* update this function for other platforms! */
+   static double t = 0.0;
+   static int warn = 1;
+   if (warn) {
+      fprintf(stderr, "Warning: current_time() not implemented!!\n");
+      warn = 0;
+   }
+   return t += 1.0;
+}
+
+#endif /*BENCHMARK*/
+
+
+#ifndef M_PI
+#define M_PI 3.14159265
+#endif
+
+
+static GLfloat view_rotx = 20.0, view_roty = 30.0, view_rotz = 0.0;
+static GLint gear1, gear2, gear3;
+static GLfloat angle = 0.0;
+
+//static GLfloat eyesep = 5.0;		/* Eye separation. */
+//static GLfloat fix_point = 40.0;	/* Fixation point distance.  */
+//static GLfloat left, right, asp;	/* Stereo frustum params.  */
+
+
+/*
+ *
+ *  Draw a gear wheel.  You'll probably want to call this function when
+ *  building a display list since we do a lot of trig here.
+ * 
+ *  Input:  inner_radius - radius of hole at center
+ *          outer_radius - radius at center of teeth
+ *          width - width of gear
+ *          teeth - number of teeth
+ *          tooth_depth - depth of tooth
+ */
+static void
+gear(GLfloat inner_radius, GLfloat outer_radius, GLfloat width,
+     GLint teeth, GLfloat tooth_depth)
+{
+   GLint i;
+   GLfloat r0, r1, r2;
+   GLfloat angle, da;
+   GLfloat u, v, len;
+
+   r0 = inner_radius;
+   r1 = outer_radius - tooth_depth / 2.0;
+   r2 = outer_radius + tooth_depth / 2.0;
+
+   da = 2.0 * M_PI / teeth / 4.0;
+
+   glShadeModel(GL_FLAT);
+
+   glNormal3f(0.0, 0.0, 1.0);
+
+   /* draw front face */
+   glBegin(GL_QUAD_STRIP);
+   for (i = 0; i <= teeth; i++) {
+      angle = i * 2.0 * M_PI / teeth;
+      glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5);
+      glVertex3f(r1 * cos(angle), r1 * sin(angle), width * 0.5);
+      if (i < teeth) {
+	 glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5);
+	 glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da),
+		    width * 0.5);
+      }
+   }
+   glEnd();
+
+   /* draw front sides of teeth */
+   glBegin(GL_QUADS);
+   da = 2.0 * M_PI / teeth / 4.0;
+   for (i = 0; i < teeth; i++) {
+      angle = i * 2.0 * M_PI / teeth;
+
+      glVertex3f(r1 * cos(angle), r1 * sin(angle), width * 0.5);
+      glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), width * 0.5);
+      glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da),
+		 width * 0.5);
+      glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da),
+		 width * 0.5);
+   }
+   glEnd();
+
+   glNormal3f(0.0, 0.0, -1.0);
+
+   /* draw back face */
+   glBegin(GL_QUAD_STRIP);
+   for (i = 0; i <= teeth; i++) {
+      angle = i * 2.0 * M_PI / teeth;
+      glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5);
+      glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5);
+      if (i < teeth) {
+	 glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da),
+		    -width * 0.5);
+	 glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5);
+      }
+   }
+   glEnd();
+
+   /* draw back sides of teeth */
+   glBegin(GL_QUADS);
+   da = 2.0 * M_PI / teeth / 4.0;
+   for (i = 0; i < teeth; i++) {
+      angle = i * 2.0 * M_PI / teeth;
+
+      glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da),
+		 -width * 0.5);
+      glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da),
+		 -width * 0.5);
+      glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), -width * 0.5);
+      glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5);
+   }
+   glEnd();
+
+   /* draw outward faces of teeth */
+   glBegin(GL_QUAD_STRIP);
+   for (i = 0; i < teeth; i++) {
+      angle = i * 2.0 * M_PI / teeth;
+
+      glVertex3f(r1 * cos(angle), r1 * sin(angle), width * 0.5);
+      glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5);
+      u = r2 * cos(angle + da) - r1 * cos(angle);
+      v = r2 * sin(angle + da) - r1 * sin(angle);
+      len = sqrt(u * u + v * v);
+      u /= len;
+      v /= len;
+      glNormal3f(v, -u, 0.0);
+      glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), width * 0.5);
+      glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), -width * 0.5);
+      glNormal3f(cos(angle), sin(angle), 0.0);
+      glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da),
+		 width * 0.5);
+      glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da),
+		 -width * 0.5);
+      u = r1 * cos(angle + 3 * da) - r2 * cos(angle + 2 * da);
+      v = r1 * sin(angle + 3 * da) - r2 * sin(angle + 2 * da);
+      glNormal3f(v, -u, 0.0);
+      glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da),
+		 width * 0.5);
+      glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da),
+		 -width * 0.5);
+      glNormal3f(cos(angle), sin(angle), 0.0);
+   }
+
+   glVertex3f(r1 * cos(0), r1 * sin(0), width * 0.5);
+   glVertex3f(r1 * cos(0), r1 * sin(0), -width * 0.5);
+
+   glEnd();
+
+   glShadeModel(GL_SMOOTH);
+
+   /* draw inside radius cylinder */
+   glBegin(GL_QUAD_STRIP);
+   for (i = 0; i <= teeth; i++) {
+      angle = i * 2.0 * M_PI / teeth;
+      glNormal3f(-cos(angle), -sin(angle), 0.0);
+      glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5);
+      glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5);
+   }
+   glEnd();
+}
+
+
+static void
+draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+   glPushMatrix();
+   glRotatef(view_rotx, 1.0, 0.0, 0.0);
+   glRotatef(view_roty, 0.0, 1.0, 0.0);
+   glRotatef(view_rotz, 0.0, 0.0, 1.0);
+
+   glPushMatrix();
+   glTranslatef(-3.0, -2.0, 0.0);
+   glRotatef(angle, 0.0, 0.0, 1.0);
+   glCallList(gear1);
+   glPopMatrix();
+
+   glPushMatrix();
+   glTranslatef(3.1, -2.0, 0.0);
+   glRotatef(-2.0 * angle - 9.0, 0.0, 0.0, 1.0);
+   glCallList(gear2);
+   glPopMatrix();
+
+   glPushMatrix();
+   glTranslatef(-3.1, 4.2, 0.0);
+   glRotatef(-2.0 * angle - 25.0, 0.0, 0.0, 1.0);
+   glCallList(gear3);
+   glPopMatrix();
+
+   glPopMatrix();
+}
+
+
+/* new window size or exposure */
+static void
+reshape(int width, int height)
+{
+   glViewport(0, 0, (GLint) width, (GLint) height);
+
+   GLfloat h = (GLfloat) height / (GLfloat) width;
+
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glFrustum(-1.0, 1.0, -h, h, 5.0, 60.0);
+   
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glTranslatef(0.0, 0.0, -40.0);
+}
+   
+
+
+static void
+init(void)
+{
+   static GLfloat pos[4] = { 5.0, 5.0, 10.0, 0.0 };
+   static GLfloat red[4] = { 0.8, 0.1, 0.0, 1.0 };
+   static GLfloat green[4] = { 0.0, 0.8, 0.2, 1.0 };
+   static GLfloat blue[4] = { 0.2, 0.2, 1.0, 1.0 };
+
+   glLightfv(GL_LIGHT0, GL_POSITION, pos);
+   glEnable(GL_CULL_FACE);
+   glEnable(GL_LIGHTING);
+   glEnable(GL_LIGHT0);
+   glEnable(GL_DEPTH_TEST);
+
+   /* make the gears */
+   gear1 = glGenLists(1);
+   glNewList(gear1, GL_COMPILE);
+   glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, red);
+   gear(1.0, 4.0, 1.0, 20, 0.7);
+   glEndList();
+
+   gear2 = glGenLists(1);
+   glNewList(gear2, GL_COMPILE);
+   glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, green);
+   gear(0.5, 2.0, 2.0, 10, 0.7);
+   glEndList();
+
+   gear3 = glGenLists(1);
+   glNewList(gear3, GL_COMPILE);
+   glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, blue);
+   gear(1.3, 2.0, 0.5, 10, 0.7);
+   glEndList();
+
+   glEnable(GL_NORMALIZE);
+}
+
+
+
+
+static void run_gears(EGLDisplay dpy, EGLSurface surf, int ttr)
+{
+	double st = current_time();
+	double ct = st;
+	int frames = 0;
+	while (ct - st < ttr)
+	{
+		double tt = current_time();
+		double dt = tt - ct;
+		ct = tt;
+		
+		/* advance rotation for next frame */
+		angle += 70.0 * dt;  /* 70 degrees per second */
+		if (angle > 3600.0)
+			angle -= 3600.0;
+		
+		draw();
+		
+		// DBR : Swap the Buffers
+		eglSwapBuffers(dpy, surf);
+	
+		
+		frames++;
+	}
+	
+	GLfloat seconds = ct - st;
+	GLfloat fps = frames / seconds;
+	printf("%d frames in %3.1f seconds = %6.3f FPS\n", frames, seconds, fps);
+	
+}
+
+
+int
+main(int argc, char *argv[])
+{
+	int maj, min;
+	EGLContext ctx;
+	EGLSurface screen_surf;
+	EGLConfig configs[10];
+	EGLint numConfigs, i;
+	EGLBoolean b;
+	
+	const EGLint screenAttribs[] = {
+		EGL_WIDTH, 1024,
+		EGL_HEIGHT, 768,
+		EGL_NONE
+	};
+	
+	EGLModeMESA mode;
+	EGLScreenMESA screen;
+	EGLint count;	
+	GLboolean printInfo = GL_FALSE;
+	
+	for (i = 1; i < argc; i++)
+	{
+		if (strcmp(argv[i], "-info") == 0)
+		{
+			printInfo = GL_TRUE;
+		}
+		else
+			printf("Warning: unknown parameter: %s\n", argv[i]);
+	}
+	
+	// DBR : Create EGL context/surface etc
+	EGLDisplay d = eglGetDisplay(":0");
+	assert(d);
+
+	if (!eglInitialize(d, &maj, &min)) {
+		printf("demo: eglInitialize failed\n");
+		exit(1);
+	}
+	
+	printf("EGL version = %d.%d\n", maj, min);
+	printf("EGL_VENDOR = %s\n", eglQueryString(d, EGL_VENDOR));
+	
+	eglGetConfigs(d, configs, 10, &numConfigs);
+	eglGetScreensMESA(d, &screen, 1, &count);
+	eglGetModesMESA(d, screen, &mode, 1, &count);
+
+	ctx = eglCreateContext(d, configs[0], EGL_NO_CONTEXT, NULL);
+	if (ctx == EGL_NO_CONTEXT) {
+		printf("failed to create context\n");
+		return 0;
+	}
+	
+	screen_surf = eglCreateScreenSurfaceMESA(d, configs[0], screenAttribs);
+	if (screen_surf == EGL_NO_SURFACE) {
+		printf("failed to create screen surface\n");
+		return 0;
+	}
+	
+	eglShowSurfaceMESA(d, screen, screen_surf, mode);
+	
+	b = eglMakeCurrent(d, screen_surf, screen_surf, ctx);
+	if (!b) {
+		printf("make current failed\n");
+		return 0;
+	}
+	// DBR
+	
+	if (printInfo)
+	{
+		printf("GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+		printf("GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+		printf("GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+		printf("GL_EXTENSIONS = %s\n", (char *) glGetString(GL_EXTENSIONS));
+	}
+	
+	init();			// Initialise the GL visual
+	reshape(1024,768);
+
+   glDrawBuffer( GL_BACK );
+
+	// DBR : Run the simulation
+	run_gears(d, screen_surf, 5.0);
+	
+	
+	// DBR : Destroy EGL context/surface etc
+	eglDestroySurface(d, screen_surf);
+	eglDestroyContext(d, ctx);
+	eglTerminate(d);
+	// DBR
+	
+	return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/egl/eglinfo.c b/nx-X11/extras/Mesa_6.4.2/progs/egl/eglinfo.c
new file mode 100644
index 000000000..4826fd094
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/egl/eglinfo.c
@@ -0,0 +1,162 @@
+/*
+ * eglinfo - like glxinfo but for EGL
+ *
+ * Brian Paul
+ * 11 March 2005
+ *
+ * Copyright (C) 2005  Brian Paul   All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+#include <GLES/egl.h>
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define MAX_CONFIGS 1000
+#define MAX_MODES 1000
+#define MAX_SCREENS 10
+
+
+/**
+ * Print table of all available configurations.
+ */
+static void
+PrintConfigs(EGLDisplay d)
+{
+   EGLConfig configs[MAX_CONFIGS];
+   EGLint numConfigs, i;
+
+   eglGetConfigs(d, configs, MAX_CONFIGS, &numConfigs);
+
+   printf("Configurations:\n");
+   printf("     bf lv d st colorbuffer dp st   supported \n");
+   printf("  id sz  l b ro  r  g  b  a th cl   surfaces  \n");
+   printf("----------------------------------------------\n");
+   for (i = 0; i < numConfigs; i++) {
+      EGLint id, size, level;
+      EGLint red, green, blue, alpha;
+      EGLint depth, stencil;
+      EGLint surfaces;
+      EGLint doubleBuf = 1, stereo = 0;
+      char surfString[100] = "";
+
+      eglGetConfigAttrib(d, configs[i], EGL_CONFIG_ID, &id);
+      eglGetConfigAttrib(d, configs[i], EGL_BUFFER_SIZE, &size);
+      eglGetConfigAttrib(d, configs[i], EGL_LEVEL, &level);
+
+      eglGetConfigAttrib(d, configs[i], EGL_RED_SIZE, &red);
+      eglGetConfigAttrib(d, configs[i], EGL_GREEN_SIZE, &green);
+      eglGetConfigAttrib(d, configs[i], EGL_BLUE_SIZE, &blue);
+      eglGetConfigAttrib(d, configs[i], EGL_ALPHA_SIZE, &alpha);
+      eglGetConfigAttrib(d, configs[i], EGL_DEPTH_SIZE, &depth);
+      eglGetConfigAttrib(d, configs[i], EGL_STENCIL_SIZE, &stencil);
+      eglGetConfigAttrib(d, configs[i], EGL_SURFACE_TYPE, &surfaces);
+
+      if (surfaces & EGL_WINDOW_BIT)
+         strcat(surfString, "win,");
+      if (surfaces & EGL_PBUFFER_BIT)
+         strcat(surfString, "pb,");
+      if (surfaces & EGL_PIXMAP_BIT)
+         strcat(surfString, "pix,");
+      if (strlen(surfString) > 0)
+         surfString[strlen(surfString) - 1] = 0;
+
+      printf("0x%02x %2d %2d %c  %c %2d %2d %2d %2d %2d %2d   %-12s\n",
+             id, size, level,
+             doubleBuf ? 'y' : '.',
+             stereo ? 'y' : '.',
+             red, green, blue, alpha,
+             depth, stencil, surfString);
+   }
+}
+
+
+/**
+ * Print table of all available configurations.
+ */
+static void
+PrintModes(EGLDisplay d)
+{
+#ifdef EGL_MESA_screen_surface
+   const char *extensions = eglQueryString(d, EGL_EXTENSIONS);
+   if (strstr(extensions, "EGL_MESA_screen_surface")) {
+      EGLScreenMESA screens[MAX_SCREENS];
+      EGLint numScreens = 1, scrn;
+      EGLModeMESA modes[MAX_MODES];
+
+      eglGetScreensMESA(d, screens, MAX_SCREENS, &numScreens);
+      printf("Number of Screens: %d\n\n", numScreens);
+
+      for (scrn = 0; scrn < numScreens; scrn++) {
+         EGLint numModes, i;
+
+         eglGetModesMESA(d, screens[scrn], modes, MAX_MODES, &numModes);
+
+         printf("Screen %d Modes:\n", scrn);
+         printf("  id  width height refresh  name\n");
+         printf("-----------------------------------------\n");
+         for (i = 0; i < numModes; i++) {
+            EGLint id, w, h, r;
+            const char *str;
+            eglGetModeAttribMESA(d, modes[i], EGL_MODE_ID_MESA, &id);
+            eglGetModeAttribMESA(d, modes[i], EGL_WIDTH, &w);
+            eglGetModeAttribMESA(d, modes[i], EGL_HEIGHT, &h);
+            eglGetModeAttribMESA(d, modes[i], EGL_REFRESH_RATE_MESA, &r);
+            str = eglQueryModeStringMESA(d, modes[i]);
+            printf("0x%02x %5d  %5d   %.3f  %s\n", id, w, h, r / 1000.0, str);
+         }
+      }
+   }
+#endif
+}
+
+
+
+int
+main(int argc, char *argv[])
+{
+   int maj, min;
+   /*EGLDisplay d = eglGetDisplay(EGL_DEFAULT_DISPLAY);*/
+   EGLDisplay d = eglGetDisplay("!r200_dri");
+
+   if (!eglInitialize(d, &maj, &min)) {
+      printf("eglinfo: eglInitialize failed\n");
+      exit(1);
+   }
+
+   printf("EGL API version: %d.%d\n", maj, min);
+   printf("EGL vendor string: %s\n", eglQueryString(d, EGL_VENDOR));
+   printf("EGL version string: %s\n", eglQueryString(d, EGL_VERSION));
+   printf("EGL extensions string:\n");
+   printf("    %s\n", eglQueryString(d, EGL_EXTENSIONS));
+   printf("\n");
+
+   PrintConfigs(d);
+
+   printf("\n");
+
+   PrintModes(d);
+
+   eglTerminate(d);
+
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/fbdev/Makefile b/nx-X11/extras/Mesa_6.4.2/progs/fbdev/Makefile
new file mode 100644
index 000000000..0a0c77906
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/fbdev/Makefile
@@ -0,0 +1,53 @@
+# Makefile for miniglx demo programs
+
+TOP = ../..
+
+include $(TOP)/configs/current
+
+
+SOURCES = glfbdevtest.c
+
+OBJECTS = $(SOURCES:.c=.o)
+
+PROGS = $(SOURCES:%.c=%)
+
+INCLUDES = \
+	-I. \
+	-I$(TOP)/include
+
+
+##### RULES #####
+
+.SUFFIXES:
+.SUFFIXES: .c
+
+.c:
+	$(CC) $(INCLUDES) $(CFLAGS) $< $(APP_LIB_DEPS) -o $@
+
+.c.o:
+	$(CC) -c $(INCLUDES) $(CFLAGS) $< -o $@
+
+.S.o:
+	$(CC) -c $(INCLUDES) $(CFLAGS) $< -o $@
+
+
+##### TARGETS #####
+
+default:  depend $(PROGS)
+
+clean:
+	rm -f $(PROGS)
+	rm -f *.o
+
+
+depend: $(SOURCES)
+	touch depend
+	$(MKDEP) $(MKDEP_OPTIONS) $(INCLUDES) $(SOURCES) > /dev/null 
+
+
+# Emacs tags
+tags:
+	etags `find . -name \*.[ch]` `find ../include`
+
+
+include depend
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/fbdev/glfbdevtest.c b/nx-X11/extras/Mesa_6.4.2/progs/fbdev/glfbdevtest.c
new file mode 100644
index 000000000..a461c55e2
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/fbdev/glfbdevtest.c
@@ -0,0 +1,524 @@
+/*
+ * Test the GLFBDev interface.   Only tested with radeonfb driver!!!!
+ *
+ * Written by Brian Paul
+ */
+
+
+#include <assert.h>
+#include <errno.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/ioctl.h>
+#include <sys/mman.h>
+#include <sys/types.h>
+#include <linux/fb.h>
+#include <linux/kd.h>
+#include <linux/vt.h>
+#include <GL/gl.h>
+#include <GL/glfbdev.h>
+#include <math.h>
+
+#define DEFAULT_DEPTH 8
+
+static struct fb_fix_screeninfo FixedInfo;
+static struct fb_var_screeninfo VarInfo, OrigVarInfo;
+static int DesiredDepth = 0;
+static int OriginalVT = -1;
+static int ConsoleFD = -1;
+static int FrameBufferFD = -1;
+static caddr_t FrameBuffer = (caddr_t) -1;
+static caddr_t MMIOAddress = (caddr_t) -1;
+
+
+static void
+print_fixed_info(const struct fb_fix_screeninfo *fixed, const char *s)
+{
+   static const char *visuals[] = {
+      "MONO01", "MONO10", "TRUECOLOR", "PSEUDOCOLOR",
+      "DIRECTCOLOR", "STATIC_PSEUDOCOLOR"
+   };
+
+   printf("%s info -----------------------\n", s);
+   printf("id = %16s\n", fixed->id);
+   printf("smem_start = 0x%lx\n", fixed->smem_start);
+   printf("smem_len = %d (0x%x)\n", fixed->smem_len, fixed->smem_len);
+   printf("type = 0x%x\n", fixed->type);
+   printf("type_aux = 0x%x\n", fixed->type_aux);
+   printf("visual = 0x%x (%s)\n", fixed->visual, visuals[fixed->visual]);
+   printf("xpanstep = %d\n", fixed->xpanstep);
+   printf("ypanstep = %d\n", fixed->ypanstep);
+   printf("ywrapstep = %d\n", fixed->ywrapstep);
+   printf("line_length = %d\n", fixed->line_length);
+   printf("mmio_start = 0x%lx\n", fixed->mmio_start);
+   printf("mmio_len = %d (0x%x)\n", fixed->mmio_len, fixed->mmio_len);
+   printf("accel = 0x%x\n", fixed->accel);
+}
+
+
+static void
+print_var_info(const struct fb_var_screeninfo *var, const char *s)
+{
+   printf("%s info -----------------------\n", s);
+   printf("xres = %d\n", var->xres);
+   printf("yres = %d\n", var->yres);
+   printf("xres_virtual = %d\n", var->xres_virtual);
+   printf("yres_virtual = %d\n", var->yres_virtual);
+   printf("xoffset = %d\n", var->xoffset);
+   printf("yoffset = %d\n", var->yoffset);
+   printf("bits_per_pixel = %d\n", var->bits_per_pixel);
+   printf("grayscale = %d\n", var->grayscale);
+
+   printf("red.offset = %d  length = %d  msb_right = %d\n",
+          var->red.offset, var->red.length, var->red.msb_right);
+   printf("green.offset = %d  length = %d  msb_right = %d\n",
+          var->green.offset, var->green.length, var->green.msb_right);
+   printf("blue.offset = %d  length = %d  msb_right = %d\n",
+          var->blue.offset, var->blue.length, var->blue.msb_right);
+   printf("transp.offset = %d  length = %d  msb_right = %d\n",
+          var->transp.offset, var->transp.length, var->transp.msb_right);
+
+   printf("nonstd = %d\n", var->nonstd);
+   printf("activate = %d\n", var->activate);
+   printf("height = %d mm\n", var->height);
+   printf("width = %d mm\n", var->width);
+   printf("accel_flags = 0x%x\n", var->accel_flags);
+   printf("pixclock = %d\n", var->pixclock);
+   printf("left_margin = %d\n", var->left_margin);
+   printf("right_margin = %d\n", var->right_margin);
+   printf("upper_margin = %d\n", var->upper_margin);
+   printf("lower_margin = %d\n", var->lower_margin);
+   printf("hsync_len = %d\n", var->hsync_len);
+   printf("vsync_len = %d\n", var->vsync_len);
+   printf("sync = %d\n", var->sync);
+   printf("vmode = %d\n", var->vmode);
+}
+
+
+static void
+signal_handler(int signumber)
+{
+   signal(signumber, SIG_IGN); /* prevent recursion! */
+   fprintf(stderr, "error: got signal %d (exiting)\n", signumber);
+   exit(1);
+}
+
+
+static void
+initialize_fbdev( void )
+{
+   char ttystr[1000];
+   int fd, vtnumber, ttyfd;
+   int sz;
+
+   (void) sz;
+
+   if (geteuid()) {
+      fprintf(stderr, "error: you need to be root\n");
+      exit(1);
+   }
+
+#if 1
+   /* open the framebuffer device */
+   FrameBufferFD = open("/dev/fb0", O_RDWR);
+   if (FrameBufferFD < 0) {
+      fprintf(stderr, "Error opening /dev/fb0: %s\n", strerror(errno));
+      exit(1);
+   }
+#endif
+
+   /* open /dev/tty0 and get the vt number */
+   if ((fd = open("/dev/tty0", O_WRONLY, 0)) < 0) {
+      fprintf(stderr, "error opening /dev/tty0\n");
+      exit(1);
+   }
+   if (ioctl(fd, VT_OPENQRY, &vtnumber) < 0 || vtnumber < 0) {
+      fprintf(stderr, "error: couldn't get a free vt\n");
+      exit(1);
+   }
+   close(fd);
+
+   /* open the console tty */
+   sprintf(ttystr, "/dev/tty%d", vtnumber);  /* /dev/tty1-64 */
+   ConsoleFD = open(ttystr, O_RDWR | O_NDELAY, 0);
+   if (ConsoleFD < 0) {
+      fprintf(stderr, "error couldn't open console fd\n");
+      exit(1);
+   }
+
+   /* save current vt number */
+   {
+      struct vt_stat vts;
+      if (ioctl(ConsoleFD, VT_GETSTATE, &vts) == 0)
+         OriginalVT = vts.v_active;
+   }
+
+   /* disconnect from controlling tty */
+   ttyfd = open("/dev/tty", O_RDWR);
+   if (ttyfd >= 0) {
+      ioctl(ttyfd, TIOCNOTTY, 0);
+      close(ttyfd);
+   }
+
+   /* some magic to restore the vt when we exit */
+   {
+      struct vt_mode vt;
+      if (ioctl(ConsoleFD, VT_ACTIVATE, vtnumber) != 0)
+         printf("ioctl VT_ACTIVATE: %s\n", strerror(errno));
+      if (ioctl(ConsoleFD, VT_WAITACTIVE, vtnumber) != 0)
+         printf("ioctl VT_WAITACTIVE: %s\n", strerror(errno));
+
+      if (ioctl(ConsoleFD, VT_GETMODE, &vt) < 0) {
+         fprintf(stderr, "error: ioctl VT_GETMODE: %s\n", strerror(errno));
+         exit(1);
+      }
+
+      vt.mode = VT_PROCESS;
+      vt.relsig = SIGUSR1;
+      vt.acqsig = SIGUSR1;
+      if (ioctl(ConsoleFD, VT_SETMODE, &vt) < 0) {
+         fprintf(stderr, "error: ioctl(VT_SETMODE) failed: %s\n",
+                 strerror(errno));
+         exit(1);
+      }
+   }
+
+   /* go into graphics mode */
+   if (ioctl(ConsoleFD, KDSETMODE, KD_GRAPHICS) < 0) {
+      fprintf(stderr, "error: ioctl(KDSETMODE, KD_GRAPHICS) failed: %s\n",
+              strerror(errno));
+      exit(1);
+   }
+
+
+#if 0
+   /* open the framebuffer device */
+   FrameBufferFD = open("/dev/fb0", O_RDWR);
+   if (FrameBufferFD < 0) {
+      fprintf(stderr, "Error opening /dev/fb0: %s\n", strerror(errno));
+      exit(1);
+   }
+#endif
+
+   /* Get the fixed screen info */
+   if (ioctl(FrameBufferFD, FBIOGET_FSCREENINFO, &FixedInfo)) {
+      fprintf(stderr, "error: ioctl(FBIOGET_FSCREENINFO) failed: %s\n",
+              strerror(errno));
+      exit(1);
+   }
+
+   print_fixed_info(&FixedInfo, "Fixed");
+
+
+  /* get the variable screen info */
+   if (ioctl(FrameBufferFD, FBIOGET_VSCREENINFO, &OrigVarInfo)) {
+      fprintf(stderr, "error: ioctl(FBIOGET_VSCREENINFO) failed: %s\n",
+              strerror(errno));
+      exit(1);
+   }
+
+   print_var_info(&OrigVarInfo, "Orig Var");
+
+   /* operate on a copy */
+   VarInfo = OrigVarInfo;
+
+   /* set the depth, resolution, etc */
+   DesiredDepth = 32;
+   if (DesiredDepth)
+      VarInfo.bits_per_pixel = DesiredDepth;
+
+   if (VarInfo.bits_per_pixel == 16) {
+      VarInfo.red.offset = 11;
+      VarInfo.green.offset = 5;
+      VarInfo.blue.offset = 0;
+      VarInfo.red.length = 5;
+      VarInfo.green.length = 6;
+      VarInfo.blue.length = 5;
+      VarInfo.transp.offset = 0;
+      VarInfo.transp.length = 0;
+   }
+   else if (VarInfo.bits_per_pixel == 32) {
+      VarInfo.red.offset = 16;
+      VarInfo.green.offset = 8;
+      VarInfo.blue.offset = 0;
+      VarInfo.transp.offset = 24;
+      VarInfo.red.length = 8;
+      VarInfo.green.length = 8;
+      VarInfo.blue.length = 8;
+      VarInfo.transp.length = 8;
+   }
+   /* timing values taken from /etc/fb.modes (1280x1024 @ 75Hz) */
+   VarInfo.xres_virtual = VarInfo.xres = 1280;
+   VarInfo.yres_virtual = VarInfo.yres = 1024;
+   VarInfo.pixclock = 7408;
+   VarInfo.left_margin = 248;
+   VarInfo.right_margin = 16;
+   VarInfo.upper_margin = 38;
+   VarInfo.lower_margin = 1;
+   VarInfo.hsync_len = 144;
+   VarInfo.vsync_len = 3;
+
+   VarInfo.xoffset = 0;
+   VarInfo.yoffset = 0;
+   VarInfo.nonstd = 0;
+   VarInfo.vmode &= ~FB_VMODE_YWRAP; /* turn off scrolling */
+
+   /* set new variable screen info */
+   if (ioctl(FrameBufferFD, FBIOPUT_VSCREENINFO, &VarInfo)) {
+      fprintf(stderr, "ioctl(FBIOPUT_VSCREENINFO failed): %s\n",
+              strerror(errno));
+      exit(1);
+   }
+
+   print_var_info(&VarInfo, "New Var");
+
+   if (FixedInfo.visual != FB_VISUAL_TRUECOLOR &&
+       FixedInfo.visual != FB_VISUAL_DIRECTCOLOR) {
+      fprintf(stderr, "non-TRUE/DIRECT-COLOR visuals (0x%x) not supported by this demo.\n", FixedInfo.visual);
+      exit(1);
+   }
+
+   /* initialize colormap */
+   if (FixedInfo.visual == FB_VISUAL_DIRECTCOLOR) {
+      struct fb_cmap cmap;
+      unsigned short red[256], green[256], blue[256];
+      int i;
+
+      /* we're assuming 256 entries here */
+      printf("initializing directcolor colormap\n");
+      cmap.start = 0;
+      cmap.len = 256;
+      cmap.red   = red;
+      cmap.green = green;
+      cmap.blue  = blue;
+      cmap.transp = NULL;
+      for (i = 0; i < cmap.len; i++) {
+         red[i] = green[i] = blue[i] = (i << 8) | i;
+      }
+      if (ioctl(FrameBufferFD, FBIOPUTCMAP, (void *) &cmap) < 0) {
+         fprintf(stderr, "ioctl(FBIOPUTCMAP) failed [%d]\n", i);
+      }
+   }
+
+   /*
+    * fbdev says the frame buffer is at offset zero, and the mmio region
+    * is immediately after.
+    */
+
+   /* mmap the framebuffer into our address space */
+   FrameBuffer = (caddr_t) mmap(0, /* start */
+                                FixedInfo.smem_len, /* bytes */
+                                PROT_READ | PROT_WRITE, /* prot */
+                                MAP_SHARED, /* flags */
+                                FrameBufferFD, /* fd */
+                                0 /* offset */);
+   if (FrameBuffer == (caddr_t) - 1) {
+      fprintf(stderr, "error: unable to mmap framebuffer: %s\n",
+              strerror(errno));
+      exit(1);
+   }
+   printf("FrameBuffer = %p\n", FrameBuffer);
+
+#if 1
+   /* mmap the MMIO region into our address space */
+   MMIOAddress = (caddr_t) mmap(0, /* start */
+                                FixedInfo.mmio_len, /* bytes */
+                                PROT_READ | PROT_WRITE, /* prot */
+                                MAP_SHARED, /* flags */
+                                FrameBufferFD, /* fd */
+                                FixedInfo.smem_len /* offset */);
+   if (MMIOAddress == (caddr_t) - 1) {
+      fprintf(stderr, "error: unable to mmap mmio region: %s\n",
+              strerror(errno));
+   }
+   printf("MMIOAddress = %p\n", MMIOAddress);
+
+   /* try out some simple MMIO register reads */
+   if (1)
+   {
+      typedef unsigned int CARD32;
+      typedef unsigned char CARD8;
+#define RADEON_CONFIG_MEMSIZE               0x00f8
+#define RADEON_MEM_SDRAM_MODE_REG           0x0158
+#define MMIO_IN32(base, offset) \
+	*(volatile CARD32 *)(void *)(((CARD8*)(base)) + (offset))
+#define INREG(addr)         MMIO_IN32(MMIOAddress, addr)
+      int sz, type;
+      const char *typeStr[] = {"SDR", "DDR", "64-bit SDR"};
+      sz = INREG(RADEON_CONFIG_MEMSIZE);
+      type = INREG(RADEON_MEM_SDRAM_MODE_REG);
+      printf("RADEON_CONFIG_MEMSIZE = %d (%d MB)\n", sz, sz / 1024 / 1024);
+      printf("RADEON_MEM_SDRAM_MODE_REG >> 30 = %d (%s)\n",
+             type >> 30, typeStr[type>>30]);
+   }
+#endif
+
+}
+
+
+static void
+shutdown_fbdev( void )
+{
+   struct vt_mode VT;
+
+   printf("cleaning up...\n");
+   /* restore original variable screen info */
+   if (ioctl(FrameBufferFD, FBIOPUT_VSCREENINFO, &OrigVarInfo)) {
+      fprintf(stderr, "ioctl(FBIOPUT_VSCREENINFO failed): %s\n",
+              strerror(errno));
+      exit(1);
+   }
+
+   munmap(MMIOAddress, FixedInfo.mmio_len);
+   munmap(FrameBuffer, FixedInfo.smem_len);
+   close(FrameBufferFD);
+
+   /* restore text mode */
+   ioctl(ConsoleFD, KDSETMODE, KD_TEXT);
+
+   /* set vt */
+   if (ioctl(ConsoleFD, VT_GETMODE, &VT) != -1) {
+      VT.mode = VT_AUTO;
+      ioctl(ConsoleFD, VT_SETMODE, &VT);
+   }
+
+   /* restore original vt */
+   if (OriginalVT >= 0) {
+      ioctl(ConsoleFD, VT_ACTIVATE, OriginalVT);
+      OriginalVT = -1;
+   }
+
+   close(ConsoleFD);
+}
+
+
+/* Borrowed from GLUT */
+static void
+doughnut(GLfloat r, GLfloat R, GLint nsides, GLint rings)
+{
+  int i, j;
+  GLfloat theta, phi, theta1;
+  GLfloat cosTheta, sinTheta;
+  GLfloat cosTheta1, sinTheta1;
+  GLfloat ringDelta, sideDelta;
+
+  ringDelta = 2.0 * M_PI / rings;
+  sideDelta = 2.0 * M_PI / nsides;
+
+  theta = 0.0;
+  cosTheta = 1.0;
+  sinTheta = 0.0;
+  for (i = rings - 1; i >= 0; i--) {
+    theta1 = theta + ringDelta;
+    cosTheta1 = cos(theta1);
+    sinTheta1 = sin(theta1);
+    glBegin(GL_QUAD_STRIP);
+    phi = 0.0;
+    for (j = nsides; j >= 0; j--) {
+      GLfloat cosPhi, sinPhi, dist;
+
+      phi += sideDelta;
+      cosPhi = cos(phi);
+      sinPhi = sin(phi);
+      dist = R + r * cosPhi;
+
+      glNormal3f(cosTheta1 * cosPhi, -sinTheta1 * cosPhi, sinPhi);
+      glVertex3f(cosTheta1 * dist, -sinTheta1 * dist, r * sinPhi);
+      glNormal3f(cosTheta * cosPhi, -sinTheta * cosPhi, sinPhi);
+      glVertex3f(cosTheta * dist, -sinTheta * dist,  r * sinPhi);
+    }
+    glEnd();
+    theta = theta1;
+    cosTheta = cosTheta1;
+    sinTheta = sinTheta1;
+  }
+}
+
+
+static void
+gltest( void )
+{
+   static const int attribs[] = {
+      GLFBDEV_DOUBLE_BUFFER,
+      GLFBDEV_DEPTH_SIZE, 16,
+      GLFBDEV_NONE
+   };
+   GLFBDevContextPtr ctx;
+   GLFBDevBufferPtr buf;
+   GLFBDevVisualPtr vis;
+   int bytes, r, g, b, a;
+   float ang;
+
+   printf("GLFBDEV_VENDOR = %s\n", glFBDevGetString(GLFBDEV_VENDOR));
+   printf("GLFBDEV_VERSION = %s\n", glFBDevGetString(GLFBDEV_VERSION));
+
+   /* framebuffer size */
+   bytes = VarInfo.xres_virtual * VarInfo.yres_virtual * VarInfo.bits_per_pixel / 8;
+
+   vis = glFBDevCreateVisual( &FixedInfo, &VarInfo, attribs );
+   assert(vis);
+
+   buf = glFBDevCreateBuffer( &FixedInfo, &VarInfo, vis, FrameBuffer, NULL, bytes );
+   assert(buf);
+
+   ctx = glFBDevCreateContext( vis, NULL );
+   assert(buf);
+
+   b = glFBDevMakeCurrent( ctx, buf, buf );
+   assert(b);
+
+   /*printf("GL_EXTENSIONS: %s\n", glGetString(GL_EXTENSIONS));*/
+   glGetIntegerv(GL_RED_BITS, &r);
+   glGetIntegerv(GL_GREEN_BITS, &g);
+   glGetIntegerv(GL_BLUE_BITS, &b);
+   glGetIntegerv(GL_ALPHA_BITS, &a);
+   printf("RED_BITS=%d GREEN_BITS=%d BLUE_BITS=%d ALPHA_BITS=%d\n",
+          r, g, b, a);
+
+   glClearColor(0.5, 0.5, 1.0, 0);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glFrustum(-1, 1, -1, 1, 2, 30);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glTranslatef(0, 0, -15);
+   glViewport(0, 0, VarInfo.xres_virtual, VarInfo.yres_virtual);
+   glEnable(GL_LIGHTING);
+   glEnable(GL_LIGHT0);
+   glEnable(GL_DEPTH_TEST);
+
+   for (ang = 0; ang <= 180; ang += 15) {
+      glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+      glPushMatrix();
+      glRotatef(ang, 1, 0, 0);
+      doughnut(1, 3, 40, 20);
+      glPopMatrix();
+      glFBDevSwapBuffers(buf);
+   }
+
+   /* clean up */
+   b = glFBDevMakeCurrent( NULL, NULL, NULL);
+   assert(b);
+
+   glFBDevDestroyContext(ctx);
+   glFBDevDestroyBuffer(buf);
+   glFBDevDestroyVisual(vis);
+}
+
+
+int
+main( int argc, char *argv[] )
+{
+   signal(SIGUSR1, signal_handler);  /* exit if someone tries a vt switch */
+   signal(SIGSEGV, signal_handler);  /* catch segfaults */
+
+   initialize_fbdev();
+   gltest();
+   shutdown_fbdev();
+
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/ggi/asc-view.c b/nx-X11/extras/Mesa_6.4.2/progs/ggi/asc-view.c
new file mode 100644
index 000000000..d37fba9d9
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/ggi/asc-view.c
@@ -0,0 +1,377 @@
+/*
+    test program for the ggi-mesa driver
+
+    Copyright (C) 1997,1998  Uwe Maurer - uwe_maurer@t-online.de
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include <sys/time.h>
+#include <stdio.h>
+#include <string.h>
+#include <math.h>
+#include <GL/gl.h>
+#include <GL/ggimesa.h>
+#include <ggi/ggi.h>
+#include <stdlib.h>
+
+ggi_visual_t vis,vis_mem;
+
+GGIMesaContext ctx;
+
+int screen_x=GGI_AUTO,screen_y=GGI_AUTO;
+ggi_graphtype bpp=GT_AUTO;
+
+//#define ZBUFFER
+
+//#define SMOOTH_NORMALS
+
+void Init()
+{
+	GLfloat h=(GLfloat)3/4;
+	GLfloat pos[4]={5,5,-20,0};
+	GLfloat specular[4]={.4,.4,.4,1};
+	GLfloat diffuse[4]={.3,.3,.3,1};
+	GLfloat ambient[4]={.2,.2,.2,1};
+
+	int err;
+
+	if (ggiInit()<0)
+	{
+		printf("ggiInit() failed\n");
+		exit(1);
+	}
+	ctx=GGIMesaCreateContext();
+	if (ctx==NULL)
+	{
+		printf("Can't create Context!\n");
+		exit(1);
+	}
+
+	vis=ggiOpen(NULL);
+	vis_mem=ggiOpen("display-memory",NULL);
+	if (vis==NULL || vis_mem==NULL)
+	{
+		printf("Can't open ggi_visuals!\n");
+		exit(1);
+	}	
+	err=ggiSetGraphMode(vis,screen_x,screen_y,screen_x,screen_y,bpp);
+	err+=ggiSetGraphMode(vis_mem,screen_x,screen_y,screen_x,screen_y,bpp);
+	if (err)
+	{
+		printf("Can't set %ix%i\n",screen_x,screen_y);
+		exit(1);
+	}
+
+	if (GGIMesaSetVisual(ctx,vis_mem,GL_TRUE,GL_FALSE)<0)
+	{
+		printf("GGIMesaSetVisual() failed!\n");
+		exit(1);
+	}
+
+	GGIMesaMakeCurrent(ctx);
+
+	glViewport(0,0,screen_x,screen_y);
+	glMatrixMode(GL_PROJECTION);
+	glLoadIdentity();
+	glFrustum(-1,1,-h,h,1,50);
+	glMatrixMode(GL_MODELVIEW);
+	glLoadIdentity();
+	glTranslatef(0,0,-9);
+	glShadeModel(GL_FLAT);
+
+	glFrontFace(GL_CW);
+	glEnable(GL_CULL_FACE);
+	glEnable(GL_LIGHTING);
+	glEnable(GL_LIGHT0);
+	
+	glLightfv(GL_LIGHT0,GL_POSITION,pos);
+	
+	glLightfv(GL_LIGHT0,GL_DIFFUSE,diffuse);
+	glLightfv(GL_LIGHT0,GL_AMBIENT,ambient);
+	glLightfv(GL_LIGHT0,GL_SPECULAR,specular);
+
+	#ifdef ZBUFFER
+		glEnable(GL_DEPTH_TEST);
+	#endif
+}
+
+
+#define MAX_VERTS 1000
+#define MAX_TRIS  2000
+#define MAX_LEN 1024
+#define MAX_F 100000000
+
+void LoadAsc(GLuint *list,char *file)
+{
+	FILE *fp;
+
+	GLfloat p[MAX_VERTS][3];
+	GLfloat normal[MAX_VERTS][3];
+	float ncount[MAX_VERTS];
+	int v[MAX_TRIS][3];
+	char line[MAX_LEN];
+	char *s;
+	int  i,j;
+	int verts,faces;
+	GLuint v0,v1,v2;
+	GLfloat n[3];
+	GLfloat len,k;
+	GLfloat min[3]={MAX_F,MAX_F,MAX_F};
+	GLfloat max[3]={-MAX_F,-MAX_F,-MAX_F};
+	char *coord_str[]={"X","Z","Y"};
+
+	fp=fopen(file,"r");
+	if (!fp) 
+	{
+		printf("Can't open %s!\n",file);	
+		exit(1);
+	}
+
+	while (strncmp(fgets(line,MAX_LEN,fp),"Tri-mesh",8)) ;
+	
+	s=strstr(line,":")+1;
+	verts=atoi(s);
+	s=strstr(s,":")+1;
+	faces=atoi(s);
+
+	if (verts>MAX_VERTS)	
+	{	
+		printf("Too many vertices..\n");
+		exit(1);
+	}
+	
+	while (strncmp(fgets(line,MAX_LEN,fp),"Vertex list",11)) ;	
+
+	for (i=0;i<verts;i++)
+	{
+		while (strncmp(fgets(line,MAX_LEN,fp),"Vertex",6)) ;	
+		for (j=0;j<3;j++)
+		{	
+			s=strstr(line,coord_str[j])+2;
+			k=atoi(s);
+			if (k>max[j]) max[j]=k;
+			if (k<min[j]) min[j]=k;
+			p[i][j]=k;
+		}
+		
+	}
+	len=0;
+	for (i=0;i<3;i++)
+	{
+		k=max[i]-min[i];
+		if (k>len) {len=k;j=i;}
+		n[i]=(max[i]+min[i])/2;
+	}
+
+	len/=2;
+
+	for (i=0;i<verts;i++)
+	{
+		for (j=0;j<3;j++)
+		{
+			p[i][j]-=n[j];
+			p[i][j]/=len;
+		}
+	}
+
+	*list=glGenLists(1);
+	glNewList(*list,GL_COMPILE);
+	glBegin(GL_TRIANGLES);
+
+	memset(ncount,0,sizeof(ncount));
+	memset(normal,0,sizeof(normal));
+
+	while (strncmp(fgets(line,MAX_LEN,fp),"Face list",9)) ;	
+	for (i=0;i<faces;i++)
+	{
+		while (strncmp(fgets(line,MAX_LEN,fp),"Face",4)) ;	
+		s=strstr(line,"A")+2;
+		v0=v[i][0]=atoi(s);
+		s=strstr(line,"B")+2;
+		v1=v[i][1]=atoi(s);
+		s=strstr(line,"C")+2;
+		v2=v[i][2]=atoi(s);
+		n[0]=((p[v1][1]-p[v0][1])*(p[v2][2]-p[v0][2]) 
+			- (p[v1][2]-p[v0][2])*(p[v2][1]-p[v0][1])); 
+		n[1]=((p[v1][2]-p[v0][2])*(p[v2][0]-p[v0][0]) 
+			- (p[v1][0]-p[v0][0])*(p[v2][2]-p[v0][2])); 
+		n[2]=((p[v1][0]-p[v0][0])*(p[v2][1]-p[v0][1]) 
+			- (p[v1][1]-p[v0][1])*(p[v2][0]-p[v0][0])); 
+		len=n[0]*n[0]+n[1]*n[1]+n[2]*n[2];
+		len=sqrt(len);
+		n[0]/=len;
+		n[1]/=len;
+		n[2]/=len;
+	#ifdef SMOOTH_NORMALS	
+		for (j=0;j<3;j++){
+			normal[v[i][j]][0]+=n[0];
+			normal[v[i][j]][1]+=n[1];
+			normal[v[i][j]][2]+=n[2];
+			ncount[v[i][j]]++;
+		}
+	#else
+		glNormal3fv(n);
+		for (j=0;j<3;j++)
+			glVertex3fv(p[v[i][j]]);
+	#endif
+	}
+
+	#ifdef SMOOTH_NORMALS
+		for (i=0;i<verts;i++) {
+			for (j=0;j<3;j++) {
+				normal[i][j]/=ncount[i];
+			}
+		}
+		for (i=0;i<faces;i++) {
+			for (j=0;j<3;j++) {
+				glNormal3f(normal[v[i][j]][0],
+					   normal[v[i][j]][1],
+					   normal[v[i][j]][2]);
+				glVertex3fv(p[v[i][j]]);
+			}
+		}
+	#endif
+
+	glEnd();
+	glEndList();
+	fclose(fp);
+}
+
+double Display(GLuint l,int *maxframes)
+{
+	int x,y;
+	GLfloat col[]={.25,0,.25,1};
+	int frames=0;
+	struct timeval start,stop;
+	double len;
+	GLfloat rotate=0;
+
+	gettimeofday(&start,NULL);
+
+
+	while(1)
+	{
+		glClearColor(0,0,0,0);
+		glClearIndex(0);
+
+		#ifdef ZBUFFER
+			glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
+		#else
+			glClear(GL_COLOR_BUFFER_BIT);
+		#endif	
+
+		glPushMatrix();
+	
+		glRotatef(30,1,0,0);
+		glRotatef(rotate/10,0,0,1);
+		glTranslatef(-6,-4,0);
+		for (y=0;y<3;y++)
+		{
+			glPushMatrix();
+			for (x=0;x<5;x++)
+			{
+				glPushMatrix();
+				glRotatef(rotate,y+1,-x-1,0);
+
+				col[0]=(GLfloat)(x+1)/4;
+				col[1]=0;
+				col[2]=(GLfloat)(y+1)/2;
+				glMaterialfv(GL_FRONT,GL_AMBIENT,col);
+				glCallList(l);
+				glPopMatrix();
+				glTranslatef(3,0,0);
+			}
+			glPopMatrix();
+			glTranslatef(0,4,0);
+		}
+		glPopMatrix();
+		glFinish();
+
+		ggiPutBox(vis,0,0,screen_x,screen_y,ggiDBGetBuffer(vis,0)->read);
+		rotate+=10;
+		frames++;
+		if (frames==(*maxframes)) break;
+
+		if (ggiKbhit(vis))
+		{
+			*maxframes=frames;
+			break;
+		}
+	}
+
+	gettimeofday(&stop,NULL);
+	len=(double)(stop.tv_sec-start.tv_sec)+
+		(double)(stop.tv_usec-start.tv_usec)/1e6;	
+	return len;
+}
+
+void visible(int vis)
+{
+	if (vis == GLUT_VISIBLE)
+	  glutIdleFunc(idle);
+	else
+	  glutIdleFunc(NULL);
+}
+
+int main(int argc, char *argv[])
+{
+	glutInit(&argc, argv);
+	glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE);
+	
+	glutInitWindowPosition(0, 0);
+	glutInitWindowSize(300, 300);
+	glutCreateWindow("asc-view");
+	init();
+	
+	glutDisplayFunc(draw);
+	glutReshapeFunc(reshape);
+	glutKeyboardFunc(key);
+	glutSpecialFunc(special);
+	glutVisibilityFunc(visible);
+	
+	glutMainLoop();
+#if 0
+	GLuint l;
+	char *file;
+	int maxframes=0;
+	double len;
+
+	Init();
+
+	file=(argc>1) ? argv[1] : "asc/box.asc";
+	if (argc>2) maxframes=atoi(argv[2]);
+
+	if (argc==1)
+	{
+		printf("usage: %s filename.asc\n",argv[0]);
+	}
+
+	LoadAsc(&l,file);
+
+	len=Display(l,&maxframes);
+
+	printf("\ttime: %.3f sec\n",len);
+	printf("\tframes: %i\n",maxframes);
+	printf("\tfps: %.3f \n",(double)maxframes/len);
+
+	GGIMesaDestroyContext(ctx);
+	ggiClose(vis);
+	ggiClose(vis_mem);
+	ggiExit();
+#endif
+	return 0;
+}
+
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/ggi/blah b/nx-X11/extras/Mesa_6.4.2/progs/ggi/blah
new file mode 100644
index 000000000..2c1664d7d
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/ggi/blah
@@ -0,0 +1,2 @@
+Terminating on signal 11
+
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/ggi/blat b/nx-X11/extras/Mesa_6.4.2/progs/ggi/blat
new file mode 100644
index 000000000..7ff64a9d1
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/ggi/blat
@@ -0,0 +1,7 @@
+#!/bin/sh
+
+function foobar() {
+	echo "foo!"
+}
+
+foobar
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/ggi/box.asc b/nx-X11/extras/Mesa_6.4.2/progs/ggi/box.asc
new file mode 100644
index 000000000..f8b23fd85
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/ggi/box.asc
@@ -0,0 +1,66 @@
+Ambient light color: Red=0.039216 Green=0.039216 Blue=0.039216
+
+Named object: "Object01"
+Tri-mesh, Vertices: 8     Faces: 12
+Vertex list:
+Vertex 0:  X: -20     Y: -19.999998     Z: 20.000002
+Vertex 1:  X: 20     Y: -19.999998     Z: 20.000002
+Vertex 2:  X: 20     Y: 20.000002     Z: 19.999998
+Vertex 3:  X: -20     Y: 20.000002     Z: 19.999998
+Vertex 4:  X: -20     Y: -20.000002     Z: -19.999998
+Vertex 5:  X: 20     Y: -20.000002     Z: -19.999998
+Vertex 6:  X: 20     Y: 19.999998     Z: -20.000002
+Vertex 7:  X: -20     Y: 19.999998     Z: -20.000002
+Face list:
+Face 0:    A:0 B:1 C:2 AB:1 BC:1 CA:0
+Smoothing:  1
+Face 1:    A:0 B:2 C:3 AB:0 BC:1 CA:1
+Smoothing:  1
+Face 2:    A:0 B:4 C:5 AB:1 BC:1 CA:0
+Smoothing:  2
+Face 3:    A:0 B:5 C:1 AB:0 BC:1 CA:1
+Smoothing:  2
+Face 4:    A:1 B:5 C:6 AB:1 BC:1 CA:0
+Smoothing:  3
+Face 5:    A:1 B:6 C:2 AB:0 BC:1 CA:1
+Smoothing:  3
+Face 6:    A:2 B:6 C:7 AB:1 BC:1 CA:0
+Smoothing:  4
+Face 7:    A:2 B:7 C:3 AB:0 BC:1 CA:1
+Smoothing:  4
+Face 8:    A:3 B:7 C:4 AB:1 BC:1 CA:0
+Smoothing:  5
+Face 9:    A:3 B:4 C:0 AB:0 BC:1 CA:1
+Smoothing:  5
+Face 10:    A:4 B:7 C:6 AB:1 BC:1 CA:0
+Smoothing:  6
+Face 11:    A:4 B:6 C:5 AB:0 BC:1 CA:1
+Smoothing:  6
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+                                     Page 1
+
+
+
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/ggi/cone.asc b/nx-X11/extras/Mesa_6.4.2/progs/ggi/cone.asc
new file mode 100644
index 000000000..5c5228599
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/ggi/cone.asc
@@ -0,0 +1,198 @@
+Ambient light color: Red=0.039216 Green=0.039216 Blue=0.039216
+
+Named object: "Object01"
+Tri-mesh, Vertices: 34     Faces: 64
+Vertex list:
+Vertex 0:  X: 60.167416     Y: -87.419525     Z: -53.3088
+Vertex 1:  X: 76.70787     Y: -87.419518     Z: -29.84565
+Vertex 2:  X: 83.0103     Y: -87.419518     Z: -1.838764
+Vertex 3:  X: 78.115204     Y: -87.419518     Z: 26.448057
+Vertex 4:  X: 62.767834     Y: -87.41951     Z: 50.708401
+Vertex 5:  X: 39.304672     Y: -87.41951     Z: 67.248848
+Vertex 6:  X: 11.297782     Y: -87.41951     Z: 73.551254
+Vertex 7:  X: -16.989004     Y: -87.41951     Z: 68.656158
+Vertex 8:  X: -41.249344     Y: -87.41951     Z: 53.308777
+Vertex 9:  X: -57.789783     Y: -87.419518     Z: 29.845612
+Vertex 10:  X: -64.092194     Y: -87.419518     Z: 1.838721
+Vertex 11:  X: -59.197079     Y: -87.419518     Z: -26.448097
+Vertex 12:  X: -43.849678     Y: -87.419525     Z: -50.708427
+Vertex 13:  X: -20.386503     Y: -87.419525     Z: -67.248856
+Vertex 14:  X: 7.62039     Y: -87.419525     Z: -73.551239
+Vertex 15:  X: 35.907204     Y: -87.419525     Z: -68.656105
+Vertex 16:  X: 101.684875     Y: 94.590591     Z: -96.955391
+Vertex 17:  X: 131.767838     Y: 94.590591     Z: -54.281792
+Vertex 18:  X: 143.230377     Y: 94.590599     Z: -3.344275
+Vertex 19:  X: 134.327423     Y: 94.590607     Z: 48.102379
+Vertex 20:  X: 106.414383     Y: 94.590607     Z: 92.225876
+Vertex 21:  X: 63.740765     Y: 94.590607     Z: 122.3088
+Vertex 22:  X: 12.803238     Y: 94.590614     Z: 133.771301
+Vertex 23:  X: -38.643349     Y: 94.590607     Z: 124.868355
+Vertex 24:  X: -82.766846     Y: 94.590607     Z: 96.955307
+Vertex 25:  X: -112.849762     Y: 94.590607     Z: 54.281677
+Vertex 26:  X: -124.312256     Y: 94.590599     Z: 3.344152
+Vertex 27:  X: -115.409271     Y: 94.590591     Z: -48.102493
+Vertex 28:  X: -87.496201     Y: 94.590591     Z: -92.225967
+Vertex 29:  X: -44.822552     Y: 94.590591     Z: -122.308861
+Vertex 30:  X: 6.114983     Y: 94.590584     Z: -133.771332
+Vertex 31:  X: 57.561623     Y: 94.590591     Z: -124.868301
+Vertex 32:  X: 9.459057     Y: -87.419518     Z: 0.000008
+Vertex 33:  X: 9.459057     Y: 94.590599     Z: -0.000008
+Face list:
+Face 0:    A:0 B:1 C:32 AB:1 BC:0 CA:0
+Smoothing:  1
+Face 1:    A:1 B:2 C:32 AB:1 BC:0 CA:0
+Smoothing:  1
+Face 2:    A:2 B:3 C:32 AB:1 BC:0 CA:0
+Smoothing:  1
+Face 3:    A:3 B:4 C:32 AB:1 BC:0 CA:0
+Smoothing:  1
+Face 4:    A:4 B:5 C:32 AB:1 BC:0 CA:0
+Smoothing:  1
+Face 5:    A:5 B:6 C:32 AB:1 BC:0 CA:0
+Smoothing:  1
+Face 6:    A:6 B:7 C:32 AB:1 BC:0 CA:0
+Smoothing:  1
+Face 7:    A:7 B:8 C:32 AB:1 BC:0 CA:0
+Smoothing:  1
+Face 8:    A:8 B:9 C:32 AB:1 BC:0 CA:0
+Smoothing:  1
+Face 9:    A:9 B:10 C:32 AB:1 BC:0 CA:0
+Smoothing:  1
+Face 10:    A:10 B:11 C:32 AB:1 BC:0 CA:0
+
+                                     Page 1
+
+
+
+Smoothing:  1
+Face 11:    A:11 B:12 C:32 AB:1 BC:0 CA:0
+Smoothing:  1
+Face 12:    A:12 B:13 C:32 AB:1 BC:0 CA:0
+Smoothing:  1
+Face 13:    A:13 B:14 C:32 AB:1 BC:0 CA:0
+Smoothing:  1
+Face 14:    A:14 B:15 C:32 AB:1 BC:0 CA:0
+Smoothing:  1
+Face 15:    A:15 B:0 C:32 AB:1 BC:0 CA:0
+Smoothing:  1
+Face 16:    A:0 B:16 C:17 AB:1 BC:1 CA:0
+Smoothing:  2
+Face 17:    A:0 B:17 C:1 AB:0 BC:1 CA:1
+Smoothing:  2
+Face 18:    A:1 B:17 C:18 AB:1 BC:1 CA:0
+Smoothing:  3
+Face 19:    A:1 B:18 C:2 AB:0 BC:1 CA:1
+Smoothing:  3
+Face 20:    A:2 B:18 C:19 AB:1 BC:1 CA:0
+Smoothing:  4
+Face 21:    A:2 B:19 C:3 AB:0 BC:1 CA:1
+Smoothing:  4
+Face 22:    A:3 B:19 C:20 AB:1 BC:1 CA:0
+Smoothing:  5
+Face 23:    A:3 B:20 C:4 AB:0 BC:1 CA:1
+Smoothing:  5
+Face 24:    A:4 B:20 C:21 AB:1 BC:1 CA:0
+Smoothing:  6
+Face 25:    A:4 B:21 C:5 AB:0 BC:1 CA:1
+Smoothing:  6
+Face 26:    A:5 B:21 C:22 AB:1 BC:1 CA:0
+Smoothing:  7
+Face 27:    A:5 B:22 C:6 AB:0 BC:1 CA:1
+Smoothing:  7
+Face 28:    A:6 B:22 C:23 AB:1 BC:1 CA:0
+Smoothing:  8
+Face 29:    A:6 B:23 C:7 AB:0 BC:1 CA:1
+Smoothing:  8
+Face 30:    A:7 B:23 C:24 AB:1 BC:1 CA:0
+Smoothing:  9
+Face 31:    A:7 B:24 C:8 AB:0 BC:1 CA:1
+Smoothing:  9
+Face 32:    A:8 B:24 C:25 AB:1 BC:1 CA:0
+Smoothing:  10
+Face 33:    A:8 B:25 C:9 AB:0 BC:1 CA:1
+Smoothing:  10
+Face 34:    A:9 B:25 C:26 AB:1 BC:1 CA:0
+Smoothing:  11
+Face 35:    A:9 B:26 C:10 AB:0 BC:1 CA:1
+Smoothing:  11
+Face 36:    A:10 B:26 C:27 AB:1 BC:1 CA:0
+Smoothing:  12
+Face 37:    A:10 B:27 C:11 AB:0 BC:1 CA:1
+Smoothing:  12
+Face 38:    A:11 B:27 C:28 AB:1 BC:1 CA:0
+Smoothing:  13
+Face 39:    A:11 B:28 C:12 AB:0 BC:1 CA:1
+Smoothing:  13
+Face 40:    A:12 B:28 C:29 AB:1 BC:1 CA:0
+Smoothing:  14
+
+                                     Page 2
+
+
+
+Face 41:    A:12 B:29 C:13 AB:0 BC:1 CA:1
+Smoothing:  14
+Face 42:    A:13 B:29 C:30 AB:1 BC:1 CA:0
+Smoothing:  15
+Face 43:    A:13 B:30 C:14 AB:0 BC:1 CA:1
+Smoothing:  15
+Face 44:    A:14 B:30 C:31 AB:1 BC:1 CA:0
+Smoothing:  16
+Face 45:    A:14 B:31 C:15 AB:0 BC:1 CA:1
+Smoothing:  16
+Face 46:    A:15 B:31 C:16 AB:1 BC:1 CA:0
+Smoothing:  17
+Face 47:    A:15 B:16 C:0 AB:0 BC:1 CA:1
+Smoothing:  17
+Face 48:    A:16 B:33 C:17 AB:0 BC:0 CA:1
+Smoothing:  18
+Face 49:    A:17 B:33 C:18 AB:0 BC:0 CA:1
+Smoothing:  18
+Face 50:    A:18 B:33 C:19 AB:0 BC:0 CA:1
+Smoothing:  18
+Face 51:    A:19 B:33 C:20 AB:0 BC:0 CA:1
+Smoothing:  18
+Face 52:    A:20 B:33 C:21 AB:0 BC:0 CA:1
+Smoothing:  18
+Face 53:    A:21 B:33 C:22 AB:0 BC:0 CA:1
+Smoothing:  18
+Face 54:    A:22 B:33 C:23 AB:0 BC:0 CA:1
+Smoothing:  18
+Face 55:    A:23 B:33 C:24 AB:0 BC:0 CA:1
+Smoothing:  18
+Face 56:    A:24 B:33 C:25 AB:0 BC:0 CA:1
+Smoothing:  18
+Face 57:    A:25 B:33 C:26 AB:0 BC:0 CA:1
+Smoothing:  18
+Face 58:    A:26 B:33 C:27 AB:0 BC:0 CA:1
+Smoothing:  18
+Face 59:    A:27 B:33 C:28 AB:0 BC:0 CA:1
+Smoothing:  18
+Face 60:    A:28 B:33 C:29 AB:0 BC:0 CA:1
+Smoothing:  18
+Face 61:    A:29 B:33 C:30 AB:0 BC:0 CA:1
+Smoothing:  18
+Face 62:    A:30 B:33 C:31 AB:0 BC:0 CA:1
+Smoothing:  18
+Face 63:    A:31 B:33 C:16 AB:0 BC:0 CA:1
+Smoothing:  18
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+                                     Page 3
+
+
+
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/ggi/gears.c b/nx-X11/extras/Mesa_6.4.2/progs/ggi/gears.c
new file mode 100644
index 000000000..ac2e9f2a6
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/ggi/gears.c
@@ -0,0 +1,340 @@
+/* $Id: gears.c,v 1.3 1999/08/22 08:56:50 jtaylor Exp $ */
+
+/*
+ * 3-D gear wheels.  This program is in the public domain.
+ *
+ * Brian Paul
+ */
+
+/* Conversion to GLUT by Mark J. Kilgard */
+
+#include <math.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <GL/glut.h>
+
+#ifndef M_PI
+#define M_PI 3.14159265
+#endif
+
+static GLint T0 = 0;
+static GLint Frames = 0;
+
+
+/**
+
+  Draw a gear wheel.  You'll probably want to call this function when
+  building a display list since we do a lot of trig here.
+ 
+  Input:  inner_radius - radius of hole at center
+          outer_radius - radius at center of teeth
+          width - width of gear
+          teeth - number of teeth
+          tooth_depth - depth of tooth
+
+ **/
+
+static void
+gear(GLfloat inner_radius, GLfloat outer_radius, GLfloat width,
+  GLint teeth, GLfloat tooth_depth)
+{
+  GLint i;
+  GLfloat r0, r1, r2;
+  GLfloat angle, da;
+  GLfloat u, v, len;
+
+  r0 = inner_radius;
+  r1 = outer_radius - tooth_depth / 2.0;
+  r2 = outer_radius + tooth_depth / 2.0;
+
+  da = 2.0 * M_PI / teeth / 4.0;
+
+  glShadeModel(GL_FLAT);
+
+  glNormal3f(0.0, 0.0, 1.0);
+
+  /* draw front face */
+  glBegin(GL_QUAD_STRIP);
+  for (i = 0; i <= teeth; i++) {
+    angle = i * 2.0 * M_PI / teeth;
+    glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5);
+    glVertex3f(r1 * cos(angle), r1 * sin(angle), width * 0.5);
+    if (i < teeth) {
+      glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5);
+      glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), width * 0.5);
+    }
+  }
+  glEnd();
+
+  /* draw front sides of teeth */
+  glBegin(GL_QUADS);
+  da = 2.0 * M_PI / teeth / 4.0;
+  for (i = 0; i < teeth; i++) {
+    angle = i * 2.0 * M_PI / teeth;
+
+    glVertex3f(r1 * cos(angle), r1 * sin(angle), width * 0.5);
+    glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), width * 0.5);
+    glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da), width * 0.5);
+    glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), width * 0.5);
+  }
+  glEnd();
+
+  glNormal3f(0.0, 0.0, -1.0);
+
+  /* draw back face */
+  glBegin(GL_QUAD_STRIP);
+  for (i = 0; i <= teeth; i++) {
+    angle = i * 2.0 * M_PI / teeth;
+    glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5);
+    glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5);
+    if (i < teeth) {
+      glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), -width * 0.5);
+      glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5);
+    }
+  }
+  glEnd();
+
+  /* draw back sides of teeth */
+  glBegin(GL_QUADS);
+  da = 2.0 * M_PI / teeth / 4.0;
+  for (i = 0; i < teeth; i++) {
+    angle = i * 2.0 * M_PI / teeth;
+
+    glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), -width * 0.5);
+    glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da), -width * 0.5);
+    glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), -width * 0.5);
+    glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5);
+  }
+  glEnd();
+
+  /* draw outward faces of teeth */
+  glBegin(GL_QUAD_STRIP);
+  for (i = 0; i < teeth; i++) {
+    angle = i * 2.0 * M_PI / teeth;
+
+    glVertex3f(r1 * cos(angle), r1 * sin(angle), width * 0.5);
+    glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5);
+    u = r2 * cos(angle + da) - r1 * cos(angle);
+    v = r2 * sin(angle + da) - r1 * sin(angle);
+    len = sqrt(u * u + v * v);
+    u /= len;
+    v /= len;
+    glNormal3f(v, -u, 0.0);
+    glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), width * 0.5);
+    glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), -width * 0.5);
+    glNormal3f(cos(angle), sin(angle), 0.0);
+    glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da), width * 0.5);
+    glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da), -width * 0.5);
+    u = r1 * cos(angle + 3 * da) - r2 * cos(angle + 2 * da);
+    v = r1 * sin(angle + 3 * da) - r2 * sin(angle + 2 * da);
+    glNormal3f(v, -u, 0.0);
+    glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), width * 0.5);
+    glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), -width * 0.5);
+    glNormal3f(cos(angle), sin(angle), 0.0);
+  }
+
+  glVertex3f(r1 * cos(0), r1 * sin(0), width * 0.5);
+  glVertex3f(r1 * cos(0), r1 * sin(0), -width * 0.5);
+
+  glEnd();
+
+  glShadeModel(GL_SMOOTH);
+
+  /* draw inside radius cylinder */
+  glBegin(GL_QUAD_STRIP);
+  for (i = 0; i <= teeth; i++) {
+    angle = i * 2.0 * M_PI / teeth;
+    glNormal3f(-cos(angle), -sin(angle), 0.0);
+    glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5);
+    glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5);
+  }
+  glEnd();
+
+}
+
+static GLfloat view_rotx = 20.0, view_roty = 30.0, view_rotz = 0.0;
+static GLint gear1, gear2, gear3;
+static GLfloat angle = 0.0;
+
+static void
+draw(void)
+{
+  glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+  glPushMatrix();
+  glRotatef(view_rotx, 1.0, 0.0, 0.0);
+  glRotatef(view_roty, 0.0, 1.0, 0.0);
+  glRotatef(view_rotz, 0.0, 0.0, 1.0);
+
+  glPushMatrix();
+  glTranslatef(-3.0, -2.0, 0.0);
+  glRotatef(angle, 0.0, 0.0, 1.0);
+  glCallList(gear1);
+  glPopMatrix();
+
+  glPushMatrix();
+  glTranslatef(3.1, -2.0, 0.0);
+  glRotatef(-2.0 * angle - 9.0, 0.0, 0.0, 1.0);
+  glCallList(gear2);
+  glPopMatrix();
+
+  glPushMatrix();
+  glTranslatef(-3.1, 4.2, 0.0);
+  glRotatef(-2.0 * angle - 25.0, 0.0, 0.0, 1.0);
+  glCallList(gear3);
+  glPopMatrix();
+
+  glPopMatrix();
+
+  glutSwapBuffers();
+
+  Frames++;
+  {
+     GLint t = glutGet(GLUT_ELAPSED_TIME);
+     if (t - T0 >= 5000) {
+        GLfloat seconds = (t - T0) / 1000.0;
+        GLfloat fps = Frames / seconds;
+        printf("%d frames in %g seconds = %g FPS\n", Frames, seconds, fps);
+        T0 = t;
+        Frames = 0;
+     }
+  }
+}
+
+
+static void
+idle(void)
+{
+  angle += 2.0;
+  glutPostRedisplay();
+}
+
+/* change view angle, exit upon ESC */
+/* ARGSUSED1 */
+static void
+key(unsigned char k, int x, int y)
+{
+  switch (k) {
+  case 'z':
+    view_rotz += 5.0;
+    break;
+  case 'Z':
+    view_rotz -= 5.0;
+    break;
+  case 27:  /* Escape */
+    exit(0); /* FIXME: Shutdown and free resources cleanly in ggiglut */
+    break;
+  default:
+    return;
+  }
+  glutPostRedisplay();
+}
+
+/* change view angle */
+/* ARGSUSED1 */
+static void
+special(int k, int x, int y)
+{
+  switch (k) {
+  case GLUT_KEY_UP:
+    view_rotx += 5.0;
+    break;
+  case GLUT_KEY_DOWN:
+    view_rotx -= 5.0;
+    break;
+  case GLUT_KEY_LEFT:
+    view_roty += 5.0;
+    break;
+  case GLUT_KEY_RIGHT:
+    view_roty -= 5.0;
+    break;
+  default:
+    return;
+  }
+  glutPostRedisplay();
+}
+
+/* new window size or exposure */
+static void
+reshape(int width, int height)
+{
+  GLfloat h = (GLfloat) height / (GLfloat) width;
+
+  glViewport(0, 0, (GLint) width, (GLint) height);
+  glMatrixMode(GL_PROJECTION);
+  glLoadIdentity();
+  glFrustum(-1.0, 1.0, -h, h, 5.0, 60.0);
+  glMatrixMode(GL_MODELVIEW);
+  glLoadIdentity();
+  glTranslatef(0.0, 0.0, -40.0);
+}
+
+static void
+init(void)
+{
+  static GLfloat pos[4] =
+  {5.0, 5.0, 10.0, 0.0};
+  static GLfloat red[4] =
+  {0.8, 0.1, 0.0, 1.0};
+  static GLfloat green[4] =
+  {0.0, 0.8, 0.2, 1.0};
+  static GLfloat blue[4] =
+  {0.2, 0.2, 1.0, 1.0};
+
+  glLightfv(GL_LIGHT0, GL_POSITION, pos);
+  glEnable(GL_CULL_FACE);
+  glEnable(GL_LIGHTING);
+  glEnable(GL_LIGHT0);
+  glEnable(GL_DEPTH_TEST);
+
+  /* make the gears */
+  gear1 = glGenLists(1);
+  glNewList(gear1, GL_COMPILE);
+  glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, red);
+  gear(1.0, 4.0, 1.0, 20, 0.7);
+  glEndList();
+
+  gear2 = glGenLists(1);
+  glNewList(gear2, GL_COMPILE);
+  glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, green);
+  gear(0.5, 2.0, 2.0, 10, 0.7);
+  glEndList();
+
+  gear3 = glGenLists(1);
+  glNewList(gear3, GL_COMPILE);
+  glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, blue);
+  gear(1.3, 2.0, 0.5, 10, 0.7);
+  glEndList();
+
+  glEnable(GL_NORMALIZE);
+}
+
+void 
+visible(int vis)
+{
+  if (vis == GLUT_VISIBLE)
+    glutIdleFunc(idle);
+  else
+    glutIdleFunc(NULL);
+}
+
+int main(int argc, char *argv[])
+{
+	glutInit(&argc, argv);
+	glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE);
+
+//	glutInitWindowPosition(0, 0);
+//	glutInitWindowSize(300, 300);
+	glutCreateWindow("Gears");
+	init();
+
+	glutDisplayFunc(draw);
+	glutReshapeFunc(reshape);
+	glutKeyboardFunc(key);
+	glutSpecialFunc(special);
+	glutVisibilityFunc(visible);
+
+	glutMainLoop();
+	
+	return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/ggi/gears2.c b/nx-X11/extras/Mesa_6.4.2/progs/ggi/gears2.c
new file mode 100644
index 000000000..9468c0317
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/ggi/gears2.c
@@ -0,0 +1,390 @@
+/* gears.c */
+
+/*
+ * 3-D gear wheels.  This program is in the public domain.
+ *
+ * Brian Paul
+ * modified by Uwe Maurer (uwe_maurer@t-online.de)
+ */
+
+#include <string.h>
+#include <math.h>
+#include <stdlib.h>
+#include <ggi/ggi.h>
+#include <GL/ggimesa.h>
+#ifndef M_PI
+#  define M_PI 3.14159265
+#endif
+
+
+ggi_visual_t vis;
+char text[100];
+int db_flag,vis_x, vis_y, vir_x, vir_y, gt;
+
+/*
+ * Draw a gear wheel.  You'll probably want to call this function when
+ * building a display list since we do a lot of trig here.
+ *
+ * Input:  inner_radius - radius of hole at center
+ *         outer_radius - radius at center of teeth
+ *         width - width of gear
+ *         teeth - number of teeth
+ *         tooth_depth - depth of tooth
+ */
+static void gear( GLfloat inner_radius, GLfloat outer_radius, GLfloat width,
+		  GLint teeth, GLfloat tooth_depth )
+{
+   GLint i;
+   GLfloat r0, r1, r2;
+   GLfloat angle, da;
+   GLfloat u, v, len;
+
+   r0 = inner_radius;
+   r1 = outer_radius - tooth_depth/2.0;
+   r2 = outer_radius + tooth_depth/2.0;
+
+   da = 2.0*M_PI / teeth / 4.0;
+
+   glShadeModel( GL_FLAT );
+
+   glNormal3f( 0.0, 0.0, 1.0 );
+
+   /* draw front face */
+   glBegin( GL_QUAD_STRIP );
+   for (i=0;i<=teeth;i++) {
+      angle = i * 2.0*M_PI / teeth;
+      glVertex3f( r0*cos(angle), r0*sin(angle), width*0.5 );
+      glVertex3f( r1*cos(angle), r1*sin(angle), width*0.5 );
+      glVertex3f( r0*cos(angle), r0*sin(angle), width*0.5 );
+      glVertex3f( r1*cos(angle+3*da), r1*sin(angle+3*da), width*0.5 );
+   }
+   glEnd();
+
+   /* draw front sides of teeth */
+   glBegin( GL_QUADS );
+   da = 2.0*M_PI / teeth / 4.0;
+   for (i=0;i<teeth;i++) {
+      angle = i * 2.0*M_PI / teeth;
+
+      glVertex3f( r1*cos(angle),      r1*sin(angle),      width*0.5 );
+      glVertex3f( r2*cos(angle+da),   r2*sin(angle+da),   width*0.5 );
+      glVertex3f( r2*cos(angle+2*da), r2*sin(angle+2*da), width*0.5 );
+      glVertex3f( r1*cos(angle+3*da), r1*sin(angle+3*da), width*0.5 );
+   }
+   glEnd();
+
+
+   glNormal3f( 0.0, 0.0, -1.0 );
+
+   /* draw back face */
+   glBegin( GL_QUAD_STRIP );
+   for (i=0;i<=teeth;i++) {
+      angle = i * 2.0*M_PI / teeth;
+      glVertex3f( r1*cos(angle), r1*sin(angle), -width*0.5 );
+      glVertex3f( r0*cos(angle), r0*sin(angle), -width*0.5 );
+      glVertex3f( r1*cos(angle+3*da), r1*sin(angle+3*da), -width*0.5 );
+      glVertex3f( r0*cos(angle), r0*sin(angle), -width*0.5 );
+   }
+   glEnd();
+
+   /* draw back sides of teeth */
+   glBegin( GL_QUADS );
+   da = 2.0*M_PI / teeth / 4.0;
+   for (i=0;i<teeth;i++) {
+      angle = i * 2.0*M_PI / teeth;
+
+      glVertex3f( r1*cos(angle+3*da), r1*sin(angle+3*da), -width*0.5 );
+      glVertex3f( r2*cos(angle+2*da), r2*sin(angle+2*da), -width*0.5 );
+      glVertex3f( r2*cos(angle+da),   r2*sin(angle+da),   -width*0.5 );
+      glVertex3f( r1*cos(angle),      r1*sin(angle),      -width*0.5 );
+   }
+   glEnd();
+
+
+   /* draw outward faces of teeth */
+   glBegin( GL_QUAD_STRIP );
+   for (i=0;i<teeth;i++) {
+      angle = i * 2.0*M_PI / teeth;
+
+      glVertex3f( r1*cos(angle),      r1*sin(angle),       width*0.5 );
+      glVertex3f( r1*cos(angle),      r1*sin(angle),      -width*0.5 );
+      u = r2*cos(angle+da) - r1*cos(angle);
+      v = r2*sin(angle+da) - r1*sin(angle);
+      len = sqrt( u*u + v*v );
+      u /= len;
+      v /= len;
+      glNormal3f( v, -u, 0.0 );
+      glVertex3f( r2*cos(angle+da),   r2*sin(angle+da),    width*0.5 );
+      glVertex3f( r2*cos(angle+da),   r2*sin(angle+da),   -width*0.5 );
+      glNormal3f( cos(angle), sin(angle), 0.0 );
+      glVertex3f( r2*cos(angle+2*da), r2*sin(angle+2*da),  width*0.5 );
+      glVertex3f( r2*cos(angle+2*da), r2*sin(angle+2*da), -width*0.5 );
+      u = r1*cos(angle+3*da) - r2*cos(angle+2*da);
+      v = r1*sin(angle+3*da) - r2*sin(angle+2*da);
+      glNormal3f( v, -u, 0.0 );
+      glVertex3f( r1*cos(angle+3*da), r1*sin(angle+3*da),  width*0.5 );
+      glVertex3f( r1*cos(angle+3*da), r1*sin(angle+3*da), -width*0.5 );
+      glNormal3f( cos(angle), sin(angle), 0.0 );
+   }
+
+   glVertex3f( r1*cos(0), r1*sin(0), width*0.5 );
+   glVertex3f( r1*cos(0), r1*sin(0), -width*0.5 );
+
+   glEnd();
+
+
+   glShadeModel( GL_SMOOTH );
+
+   /* draw inside radius cylinder */
+   glBegin( GL_QUAD_STRIP );
+   for (i=0;i<=teeth;i++) {
+      angle = i * 2.0*M_PI / teeth;
+      glNormal3f( -cos(angle), -sin(angle), 0.0 );
+      glVertex3f( r0*cos(angle), r0*sin(angle), -width*0.5 );
+      glVertex3f( r0*cos(angle), r0*sin(angle), width*0.5 );
+   }
+   glEnd();
+      
+}
+
+
+static GLfloat view_rotx=20.0, view_roty=30.0, view_rotz=0.0;
+static GLint gear1, gear2, gear3;
+static GLfloat angle = 0.0;
+
+static GLuint limit;
+static GLuint count = 1;
+
+
+static void draw( void )
+{
+   static int n = 0;
+   glClearColor(0,0,0,0);
+   glClearIndex(0);
+   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+   glPushMatrix();
+   glRotatef( view_rotx, 1.0, 0.0, 0.0 );
+   glRotatef( view_roty, 0.0, 1.0, 0.0 );
+   glRotatef( view_rotz, 0.0, 0.0, 1.0 );
+
+   glPushMatrix();
+   glTranslatef( -3.0, -2.0, 0.0 );
+   glRotatef( angle, 0.0, 0.0, 1.0 );
+   glCallList(gear1);
+   glPopMatrix();
+
+   glPushMatrix();
+   glTranslatef( 3.1, -2.0, 0.0 );
+   glRotatef( -2.0*angle-9.0, 0.0, 0.0, 1.0 );
+   glCallList(gear2);
+   glPopMatrix();
+
+   glPushMatrix();
+   glTranslatef( -3.1, 4.2, 0.0 );
+   glRotatef( -2.0*angle-25.0, 0.0, 0.0, 1.0 );
+   glCallList(gear3);
+   glPopMatrix();
+
+   glPopMatrix();
+   glFlush();
+   glFinish();
+
+#if 0
+   ggiSetGCForeground(vis,255);
+   ggiPuts(vis,0,0,"Mesa  ->  GGI");
+   ggiPuts(vis,0,ggiGetInfo(vis)->mode->visible.y," Mesa -> GGI");
+
+   ggiPuts(vis,0,16,text);
+   ggiPuts(vis,0,ggiGetInfo(vis)->mode->visible.y+16,text);
+#endif
+
+    if(db_flag)
+   ggiMesaSwapBuffers();
+ 			
+   count++;
+   if (count==limit) {
+      exit(1);
+   }
+    ++n;
+    /*
+   if (!(n%10)){
+	ggi_color rgb = { 10000, 10000, 10000 };
+	ggiSetSimpleMode(vis,vis_x+(n/10),vis_y+(n/10),db_flag?2:1, gt); 
+	glViewport(0, 0,vis_x+(n/10),vis_y+(n/10));
+	ggiSetGCForeground(vis, ggiMapColor(vis, &rgb));
+	ggiDrawBox(vis, 20, 20, 100, 100);
+	if(db_flag)
+	  ggiSetWriteFrame(vis, 1);
+    }
+    */
+}
+
+static void idle( void )
+{
+   angle += 2.0;
+   draw();
+}
+
+/* new window size or exposure */
+static void reshape( int width, int height )
+{
+   GLfloat  h = (GLfloat) height / (GLfloat) width;
+
+    if(db_flag)
+	glDrawBuffer(GL_BACK);
+    else
+	glDrawBuffer(GL_FRONT);
+   glViewport(0, 0, (GLint)width, (GLint)height);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glFrustum( -1.0, 1.0, -h, h, 5.0, 60.0 );
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glTranslatef( 0.0, 0.0, -40.0 );
+   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+}
+
+
+static void init( void )
+{
+   static GLfloat pos[4] = {5.0, 5.0, 10.0, 0.0 };
+   static GLfloat red[4] = {0.9, 0.9, 0.9, 1.0 };
+   static GLfloat green[4] = {0.0, 0.8, 0.9, 1.0 };
+   static GLfloat blue[4] = {0.2, 0.2, 1.0, 1.0 };
+
+   glLightfv( GL_LIGHT0, GL_POSITION, pos );
+   glEnable( GL_CULL_FACE );
+   glEnable( GL_LIGHTING );
+   glEnable( GL_LIGHT0 );
+   glEnable( GL_DEPTH_TEST );
+
+   /* make the gears */
+   gear1 = glGenLists(1);
+   glNewList(gear1, GL_COMPILE);
+   glMaterialfv( GL_FRONT, GL_AMBIENT_AND_DIFFUSE, red );
+   glIndexi(1);
+   gear( 1.0, 4.0, 1.0, 20, 0.7 );
+   glEndList();
+
+   gear2 = glGenLists(1);
+   glNewList(gear2, GL_COMPILE);
+   glMaterialfv( GL_FRONT, GL_AMBIENT_AND_DIFFUSE, green );
+  glIndexi(2);
+   gear( 0.5, 2.0, 2.0, 10, 0.7 );
+   glEndList();
+
+   gear3 = glGenLists(1);
+   glNewList(gear3, GL_COMPILE);
+   glMaterialfv( GL_FRONT, GL_AMBIENT_AND_DIFFUSE, blue );
+  glIndexi(3);
+   gear( 1.3, 2.0, 0.5, 10, 0.7 );
+   glEndList();
+
+   glEnable( GL_NORMALIZE );
+}
+
+static void usage(char *s)
+{
+ printf("%s visible_x visible_y virtual_x virtual_y bpp db_flag\n",s);
+ printf("example:\n");
+ printf("%s 320 200 320 400 8 1\n",s);
+ exit(1);
+}
+
+int main( int argc, char *argv[] )
+{
+	ggi_mesa_context_t ctx;
+	ggi_mode mode;
+	int bpp;
+
+	limit=0;
+
+	if (argc<7) usage(argv[0]);
+
+	vis_x=atoi(argv[1]);
+	vis_y=atoi(argv[2]);
+	vir_x=atoi(argv[3]);
+	vir_y=atoi(argv[4]);
+	bpp=atoi(argv[5]);
+	db_flag=atoi(argv[6]);
+
+	switch(bpp)
+	{
+		case 4: gt=GT_4BIT;break;
+		case 8: gt=GT_8BIT;break;
+		case 15:gt=GT_15BIT;break;
+		case 16:gt=GT_16BIT;break;
+		case 24:gt=GT_24BIT;break;
+		case 32:gt=GT_32BIT;break;
+		default:
+			printf("%i Bits per Pixel ???\n",bpp);
+			exit(1);
+	} 
+	sprintf(text,"%sx%s %i colors, RGB mode, %s",
+		argv[1],argv[2],1<<bpp,
+		(db_flag) ? "doublebuffer" : "no doublebuffer");
+ 
+	if (ggiInit()<0) 
+	{
+		printf("ggiInit() failed\n");
+		exit(1);
+	}
+ 
+	if (ggiMesaInit() < 0)
+	{
+		printf("ggiMesaInit failed\n");
+		exit(1);
+	}
+	
+	vis=ggiOpen(NULL);
+	if (vis==NULL)
+	{
+		printf("ggiOpen() failed\n");
+		exit(1);
+	}
+
+	if (ggiSetSimpleMode(vis,vis_x,vis_y,db_flag ? 2 : 1,gt)<0) 
+	{
+		printf("%s: can't set graphmode (%i %i %i %i)  %i BPP\n",
+			argv[0],vis_x,vis_y,vir_x,vir_y,bpp);
+		exit(1);
+	}
+
+	if (ggiMesaAttach(vis) < 0)
+	{
+		printf("ggiMesaAttach failed\n");
+		exit(1);
+	}
+	if (ggiMesaExtendVisual(vis, GL_FALSE, GL_FALSE, 16,
+	                        0, 0, 0, 0, 0, 1)  < 0)
+	{
+		printf ("GGIMesaSetVisual() failed\n");
+		exit(1);
+	}
+
+	ctx = ggiMesaCreateContext(vis); 
+	if (ctx==NULL)
+	{
+		printf("GGIMesaCreateContext() failed\n");
+		exit(1);
+	}
+
+	ggiMesaMakeCurrent(ctx, vis);
+	ggiGetMode(vis,&mode);
+
+	reshape(mode.visible.x,mode.visible.y);
+
+	init();
+ 
+	while (!ggiKbhit(vis)) { /*sleep(1);*/ idle(); }
+
+	ggiMesaDestroyContext(ctx);
+	ggiClose(vis);
+
+	printf("%s\n",text);
+
+	ggiExit(); 
+	return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/ggi/sphere.asc b/nx-X11/extras/Mesa_6.4.2/progs/ggi/sphere.asc
new file mode 100644
index 000000000..1424a740d
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/ggi/sphere.asc
@@ -0,0 +1,132 @@
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diff --git a/nx-X11/extras/Mesa_6.4.2/progs/ggi/torus.asc b/nx-X11/extras/Mesa_6.4.2/progs/ggi/torus.asc
new file mode 100644
index 000000000..6bd41f403
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/ggi/torus.asc
@@ -0,0 +1,264 @@
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+                                     Page 4

+

+

+

diff --git a/nx-X11/extras/Mesa_6.4.2/progs/ggi/tube.asc b/nx-X11/extras/Mesa_6.4.2/progs/ggi/tube.asc
new file mode 100644
index 000000000..0b5dd0d81
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/ggi/tube.asc
@@ -0,0 +1,396 @@
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diff --git a/nx-X11/extras/Mesa_6.4.2/progs/images/bw.rgb b/nx-X11/extras/Mesa_6.4.2/progs/images/bw.rgb
new file mode 100644
index 000000000..f5de0f140
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/images/bw.rgb
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/images/girl.rgb b/nx-X11/extras/Mesa_6.4.2/progs/images/girl.rgb
new file mode 100644
index 000000000..ed5459c9c
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/images/girl.rgb
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/images/girl2.rgb b/nx-X11/extras/Mesa_6.4.2/progs/images/girl2.rgb
new file mode 100644
index 000000000..d5e557de0
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/images/girl2.rgb
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/images/reflect.rgb b/nx-X11/extras/Mesa_6.4.2/progs/images/reflect.rgb
new file mode 100644
index 000000000..45319e963
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/images/reflect.rgb
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/images/s128.rgb b/nx-X11/extras/Mesa_6.4.2/progs/images/s128.rgb
new file mode 100644
index 000000000..79f5c1d98
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/images/s128.rgb
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/images/tile.rgb b/nx-X11/extras/Mesa_6.4.2/progs/images/tile.rgb
new file mode 100644
index 000000000..5c1c73b06
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/images/tile.rgb
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/images/tree2.rgba b/nx-X11/extras/Mesa_6.4.2/progs/images/tree2.rgba
new file mode 100644
index 000000000..67b02799c
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/images/tree2.rgba
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/images/tree3.rgb b/nx-X11/extras/Mesa_6.4.2/progs/images/tree3.rgb
new file mode 100644
index 000000000..ce2c44dd6
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/images/tree3.rgb
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/images/wrs_logo.rgb b/nx-X11/extras/Mesa_6.4.2/progs/images/wrs_logo.rgb
new file mode 100644
index 000000000..f1b921489
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/images/wrs_logo.rgb
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/miniglx/Makefile b/nx-X11/extras/Mesa_6.4.2/progs/miniglx/Makefile
new file mode 100644
index 000000000..7f1e16218
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/miniglx/Makefile
@@ -0,0 +1,58 @@
+# Makefile for miniglx demo programs
+
+TOP = ../..
+
+include $(TOP)/configs/current
+
+
+SOURCES = miniglxtest.c \
+	miniglxsample.c \
+	sample_server.c \
+	sample_server2.c \
+	manytex.c \
+	texline.c
+
+OBJECTS = $(SOURCES:.c=.o)
+
+PROGS = $(SOURCES:%.c=%)
+
+INCLUDES = \
+	-I. \
+	-I$(TOP)/include
+
+
+##### RULES #####
+
+.SUFFIXES:
+.SUFFIXES: .c
+
+.c:
+	$(CC) $(INCLUDES) $(CFLAGS) $< $(APP_LIB_DEPS) -o $@
+
+.c.o:
+	$(CC) -c $(INCLUDES) $(CFLAGS) $< -o $@
+
+.S.o:
+	$(CC) -c $(INCLUDES) $(CFLAGS) $< -o $@
+
+
+##### TARGETS #####
+
+default:  depend $(PROGS)
+
+clean:
+	rm -f $(PROGS)
+	rm -f *.o
+
+
+depend: $(SOURCES)
+	touch depend
+	$(MKDEP) $(MKDEP_OPTIONS) $(INCLUDES) $(SOURCES) > /dev/null 
+
+
+# Emacs tags
+tags:
+	etags `find . -name \*.[ch]` `find ../include`
+
+
+include depend
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/miniglx/glfbdevtest.c b/nx-X11/extras/Mesa_6.4.2/progs/miniglx/glfbdevtest.c
new file mode 100644
index 000000000..c82ca6e5f
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/miniglx/glfbdevtest.c
@@ -0,0 +1,478 @@
+/* $Id: glfbdevtest.c,v 1.1 2003/08/06 17:47:15 keithw Exp $ */
+
+/*
+ * Test the GLFBDev interface.   Only tested with radeonfb driver!!!!
+ */
+
+
+#include <assert.h>
+#include <errno.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/ioctl.h>
+#include <sys/mman.h>
+#include <sys/types.h>
+#include <linux/fb.h>
+#include <linux/kd.h>
+#include <linux/vt.h>
+#include <GL/glut.h>
+#include "GL/glfbdev.h"
+
+#define DEFAULT_DEPTH 8
+
+static struct fb_fix_screeninfo FixedInfo;
+static struct fb_var_screeninfo VarInfo, OrigVarInfo;
+static int DesiredDepth = 0;
+static int OriginalVT = -1;
+static int ConsoleFD = -1;
+static int FrameBufferFD = -1;
+static caddr_t FrameBuffer = (caddr_t) -1;
+static caddr_t MMIOAddress = (caddr_t) -1;
+
+
+static void
+print_fixed_info(const struct fb_fix_screeninfo *fixed, const char *s)
+{
+   static const char *visuals[] = {
+      "MONO01", "MONO10", "TRUECOLOR", "PSEUDOCOLOR",
+      "DIRECTCOLOR", "STATIC_PSEUDOCOLOR"
+   };
+
+   printf("%s info -----------------------\n", s);
+   printf("id = %16s\n", fixed->id);
+   printf("smem_start = 0x%x\n", fixed->smem_start);
+   printf("smem_len = %d (0x%x)\n", fixed->smem_len, fixed->smem_len);
+   printf("type = 0x%x\n", fixed->type);
+   printf("type_aux = 0x%x\n", fixed->type_aux);
+   printf("visual = 0x%x (%s)\n", fixed->visual, visuals[fixed->visual]);
+   printf("xpanstep = %d\n", fixed->xpanstep);
+   printf("ypanstep = %d\n", fixed->ypanstep);
+   printf("ywrapstep = %d\n", fixed->ywrapstep);
+   printf("line_length = %d\n", fixed->line_length);
+   printf("mmio_start = 0x%x\n", fixed->mmio_start);
+   printf("mmio_len = %d (0x%x)\n", fixed->mmio_len, fixed->mmio_len);
+   printf("accel = 0x%x\n", fixed->accel);
+}
+
+
+static void
+print_var_info(const struct fb_var_screeninfo *var, const char *s)
+{
+   printf("%s info -----------------------\n", s);
+   printf("xres = %d\n", var->xres);
+   printf("yres = %d\n", var->yres);
+   printf("xres_virtual = %d\n", var->xres_virtual);
+   printf("yres_virtual = %d\n", var->yres_virtual);
+   printf("xoffset = %d\n", var->xoffset);
+   printf("yoffset = %d\n", var->yoffset);
+   printf("bits_per_pixel = %d\n", var->bits_per_pixel);
+   printf("grayscale = %d\n", var->grayscale);
+
+   printf("red.offset = %d  length = %d  msb_right = %d\n",
+          var->red.offset, var->red.length, var->red.msb_right);
+   printf("green.offset = %d  length = %d  msb_right = %d\n",
+          var->green.offset, var->green.length, var->green.msb_right);
+   printf("blue.offset = %d  length = %d  msb_right = %d\n",
+          var->blue.offset, var->blue.length, var->blue.msb_right);
+   printf("transp.offset = %d  length = %d  msb_right = %d\n",
+          var->transp.offset, var->transp.length, var->transp.msb_right);
+
+   printf("nonstd = %d\n", var->nonstd);
+   printf("activate = %d\n", var->activate);
+   printf("height = %d mm\n", var->height);
+   printf("width = %d mm\n", var->width);
+   printf("accel_flags = 0x%x\n", var->accel_flags);
+   printf("pixclock = %d\n", var->pixclock);
+   printf("left_margin = %d\n", var->left_margin);
+   printf("right_margin = %d\n", var->right_margin);
+   printf("upper_margin = %d\n", var->upper_margin);
+   printf("lower_margin = %d\n", var->lower_margin);
+   printf("hsync_len = %d\n", var->hsync_len);
+   printf("vsync_len = %d\n", var->vsync_len);
+   printf("sync = %d\n", var->sync);
+   printf("vmode = %d\n", var->vmode);
+}
+
+
+static void
+signal_handler(int signumber)
+{
+   signal(signumber, SIG_IGN); /* prevent recursion! */
+   fprintf(stderr, "error: got signal %d (exiting)\n", signumber);
+   exit(1);
+}
+
+
+static void
+initialize_fbdev( void )
+{
+   char ttystr[1000];
+   int fd, vtnumber, ttyfd;
+   int sz;
+
+   if (geteuid()) {
+      fprintf(stderr, "error: you need to be root\n");
+      exit(1);
+   }
+
+#if 1
+   /* open the framebuffer device */
+   FrameBufferFD = open("/dev/fb0", O_RDWR);
+   if (FrameBufferFD < 0) {
+      fprintf(stderr, "Error opening /dev/fb0: %s\n", strerror(errno));
+      exit(1);
+   }
+#endif
+
+   /* open /dev/tty0 and get the vt number */
+   if ((fd = open("/dev/tty0", O_WRONLY, 0)) < 0) {
+      fprintf(stderr, "error opening /dev/tty0\n");
+      exit(1);
+   }
+   if (ioctl(fd, VT_OPENQRY, &vtnumber) < 0 || vtnumber < 0) {
+      fprintf(stderr, "error: couldn't get a free vt\n");
+      exit(1);
+   }
+   close(fd);
+
+   /* open the console tty */
+   sprintf(ttystr, "/dev/tty%d", vtnumber);  /* /dev/tty1-64 */
+   ConsoleFD = open(ttystr, O_RDWR | O_NDELAY, 0);
+   if (ConsoleFD < 0) {
+      fprintf(stderr, "error couldn't open console fd\n");
+      exit(1);
+   }
+
+   /* save current vt number */
+   {
+      struct vt_stat vts;
+      if (ioctl(ConsoleFD, VT_GETSTATE, &vts) == 0)
+         OriginalVT = vts.v_active;
+   }
+
+   /* disconnect from controlling tty */
+   ttyfd = open("/dev/tty", O_RDWR);
+   if (ttyfd >= 0) {
+      ioctl(ttyfd, TIOCNOTTY, 0);
+      close(ttyfd);
+   }
+
+   /* some magic to restore the vt when we exit */
+   {
+      struct vt_mode vt;
+      if (ioctl(ConsoleFD, VT_ACTIVATE, vtnumber) != 0)
+         printf("ioctl VT_ACTIVATE: %s\n", strerror(errno));
+      if (ioctl(ConsoleFD, VT_WAITACTIVE, vtnumber) != 0)
+         printf("ioctl VT_WAITACTIVE: %s\n", strerror(errno));
+
+      if (ioctl(ConsoleFD, VT_GETMODE, &vt) < 0) {
+         fprintf(stderr, "error: ioctl VT_GETMODE: %s\n", strerror(errno));
+         exit(1);
+      }
+
+      vt.mode = VT_PROCESS;
+      vt.relsig = SIGUSR1;
+      vt.acqsig = SIGUSR1;
+      if (ioctl(ConsoleFD, VT_SETMODE, &vt) < 0) {
+         fprintf(stderr, "error: ioctl(VT_SETMODE) failed: %s\n",
+                 strerror(errno));
+         exit(1);
+      }
+   }
+
+   /* go into graphics mode */
+   if (ioctl(ConsoleFD, KDSETMODE, KD_GRAPHICS) < 0) {
+      fprintf(stderr, "error: ioctl(KDSETMODE, KD_GRAPHICS) failed: %s\n",
+              strerror(errno));
+      exit(1);
+   }
+
+
+#if 0
+   /* open the framebuffer device */
+   FrameBufferFD = open("/dev/fb0", O_RDWR);
+   if (FrameBufferFD < 0) {
+      fprintf(stderr, "Error opening /dev/fb0: %s\n", strerror(errno));
+      exit(1);
+   }
+#endif
+
+   /* Get the fixed screen info */
+   if (ioctl(FrameBufferFD, FBIOGET_FSCREENINFO, &FixedInfo)) {
+      fprintf(stderr, "error: ioctl(FBIOGET_FSCREENINFO) failed: %s\n",
+              strerror(errno));
+      exit(1);
+   }
+
+   print_fixed_info(&FixedInfo, "Fixed");
+
+
+  /* get the variable screen info */
+   if (ioctl(FrameBufferFD, FBIOGET_VSCREENINFO, &OrigVarInfo)) {
+      fprintf(stderr, "error: ioctl(FBIOGET_VSCREENINFO) failed: %s\n",
+              strerror(errno));
+      exit(1);
+   }
+
+   print_var_info(&OrigVarInfo, "Orig Var");
+
+   /* operate on a copy */
+   VarInfo = OrigVarInfo;
+
+   /* set the depth, resolution, etc */
+   DesiredDepth = 32;
+   if (DesiredDepth)
+      VarInfo.bits_per_pixel = DesiredDepth;
+
+   if (VarInfo.bits_per_pixel == 16) {
+      VarInfo.red.offset = 11;
+      VarInfo.green.offset = 5;
+      VarInfo.blue.offset = 0;
+      VarInfo.red.length = 5;
+      VarInfo.green.length = 6;
+      VarInfo.blue.length = 5;
+      VarInfo.transp.offset = 0;
+      VarInfo.transp.length = 0;
+   }
+   else if (VarInfo.bits_per_pixel == 32) {
+      VarInfo.red.offset = 16;
+      VarInfo.green.offset = 8;
+      VarInfo.blue.offset = 0;
+      VarInfo.transp.offset = 24;
+      VarInfo.red.length = 8;
+      VarInfo.green.length = 8;
+      VarInfo.blue.length = 8;
+      VarInfo.transp.length = 8;
+   }
+   /* timing values taken from /etc/fb.modes (1280x1024 @ 75Hz) */
+   VarInfo.xres_virtual = VarInfo.xres = 1280;
+   VarInfo.yres_virtual = VarInfo.yres = 1024;
+   VarInfo.pixclock = 7408;
+   VarInfo.left_margin = 248;
+   VarInfo.right_margin = 16;
+   VarInfo.upper_margin = 38;
+   VarInfo.lower_margin = 1;
+   VarInfo.hsync_len = 144;
+   VarInfo.vsync_len = 3;
+
+   VarInfo.xoffset = 0;
+   VarInfo.yoffset = 0;
+   VarInfo.nonstd = 0;
+   VarInfo.vmode &= ~FB_VMODE_YWRAP; /* turn off scrolling */
+
+   /* set new variable screen info */
+   if (ioctl(FrameBufferFD, FBIOPUT_VSCREENINFO, &VarInfo)) {
+      fprintf(stderr, "ioctl(FBIOPUT_VSCREENINFO failed): %s\n",
+              strerror(errno));
+      exit(1);
+   }
+
+   print_var_info(&VarInfo, "New Var");
+
+   if (FixedInfo.visual != FB_VISUAL_TRUECOLOR &&
+       FixedInfo.visual != FB_VISUAL_DIRECTCOLOR) {
+      fprintf(stderr, "non-TRUE/DIRECT-COLOR visuals (0x%x) not supported by this demo.\n", FixedInfo.visual);
+      exit(1);
+   }
+
+   /* initialize colormap */
+   if (FixedInfo.visual == FB_VISUAL_DIRECTCOLOR) {
+      struct fb_cmap cmap;
+      unsigned short red[256], green[256], blue[256];
+      int i;
+
+      /* we're assuming 256 entries here */
+      printf("initializing directcolor colormap\n");
+      cmap.start = 0;
+      cmap.len = 256;
+      cmap.red   = red;
+      cmap.green = green;
+      cmap.blue  = blue;
+      cmap.transp = NULL;
+      for (i = 0; i < cmap.len; i++) {
+         red[i] = green[i] = blue[i] = (i << 8) | i;
+      }
+      if (ioctl(FrameBufferFD, FBIOPUTCMAP, (void *) &cmap) < 0) {
+         fprintf(stderr, "ioctl(FBIOPUTCMAP) failed [%d]\n", i);
+      }
+   }
+
+   /*
+    * fbdev says the frame buffer is at offset zero, and the mmio region
+    * is immediately after.
+    */
+
+   /* mmap the framebuffer into our address space */
+   FrameBuffer = (caddr_t) mmap(0, /* start */
+                                FixedInfo.smem_len, /* bytes */
+                                PROT_READ | PROT_WRITE, /* prot */
+                                MAP_SHARED, /* flags */
+                                FrameBufferFD, /* fd */
+                                0 /* offset */);
+   if (FrameBuffer == (caddr_t) - 1) {
+      fprintf(stderr, "error: unable to mmap framebuffer: %s\n",
+              strerror(errno));
+      exit(1);
+   }
+   printf("FrameBuffer = %p\n", FrameBuffer);
+
+#if 1
+   /* mmap the MMIO region into our address space */
+   MMIOAddress = (caddr_t) mmap(0, /* start */
+                                FixedInfo.mmio_len, /* bytes */
+                                PROT_READ | PROT_WRITE, /* prot */
+                                MAP_SHARED, /* flags */
+                                FrameBufferFD, /* fd */
+                                FixedInfo.smem_len /* offset */);
+   if (MMIOAddress == (caddr_t) - 1) {
+      fprintf(stderr, "error: unable to mmap mmio region: %s\n",
+              strerror(errno));
+   }
+   printf("MMIOAddress = %p\n", MMIOAddress);
+
+   /* try out some simple MMIO register reads */
+   if (1)
+   {
+      typedef unsigned int CARD32;
+      typedef unsigned char CARD8;
+#define RADEON_CONFIG_MEMSIZE               0x00f8
+#define RADEON_MEM_SDRAM_MODE_REG           0x0158
+#define MMIO_IN32(base, offset) \
+	*(volatile CARD32 *)(void *)(((CARD8*)(base)) + (offset))
+#define INREG(addr)         MMIO_IN32(MMIOAddress, addr)
+      int sz, type;
+      const char *typeStr[] = {"SDR", "DDR", "64-bit SDR"};
+      sz = INREG(RADEON_CONFIG_MEMSIZE);
+      type = INREG(RADEON_MEM_SDRAM_MODE_REG);
+      printf("RADEON_CONFIG_MEMSIZE = %d (%d MB)\n", sz, sz / 1024 / 1024);
+      printf("RADEON_MEM_SDRAM_MODE_REG >> 30 = %d (%s)\n",
+             type >> 30, typeStr[type>>30]);
+   }
+#endif
+
+}
+
+
+static void
+shutdown_fbdev( void )
+{
+   struct vt_mode VT;
+
+   printf("cleaning up...\n");
+   /* restore original variable screen info */
+   if (ioctl(FrameBufferFD, FBIOPUT_VSCREENINFO, &OrigVarInfo)) {
+      fprintf(stderr, "ioctl(FBIOPUT_VSCREENINFO failed): %s\n",
+              strerror(errno));
+      exit(1);
+   }
+
+   munmap(MMIOAddress, FixedInfo.mmio_len);
+   munmap(FrameBuffer, FixedInfo.smem_len);
+   close(FrameBufferFD);
+
+   /* restore text mode */
+   ioctl(ConsoleFD, KDSETMODE, KD_TEXT);
+
+   /* set vt */
+   if (ioctl(ConsoleFD, VT_GETMODE, &VT) != -1) {
+      VT.mode = VT_AUTO;
+      ioctl(ConsoleFD, VT_SETMODE, &VT);
+   }
+
+   /* restore original vt */
+   if (OriginalVT >= 0) {
+      ioctl(ConsoleFD, VT_ACTIVATE, OriginalVT);
+      OriginalVT = -1;
+   }
+
+   close(ConsoleFD);
+}
+
+
+static void
+gltest( void )
+{
+   static const int attribs[] = {
+      GLFBDEV_DOUBLE_BUFFER,
+      GLFBDEV_DEPTH_SIZE, 16,
+      GLFBDEV_NONE
+   };
+   GLFBDevContextPtr ctx;
+   GLFBDevBufferPtr buf;
+   GLFBDevVisualPtr vis;
+   int bytes, r, g, b, a;
+   float ang;
+
+   printf("GLFBDEV_VENDOR = %s\n", glFBDevGetString(GLFBDEV_VENDOR));
+   printf("GLFBDEV_VERSION = %s\n", glFBDevGetString(GLFBDEV_VERSION));
+
+   /* framebuffer size */
+   bytes = VarInfo.xres_virtual * VarInfo.yres_virtual * VarInfo.bits_per_pixel / 8;
+
+   vis = glFBDevCreateVisual( &FixedInfo, &VarInfo, attribs );
+   assert(vis);
+
+   buf = glFBDevCreateBuffer( &FixedInfo, &VarInfo, vis, FrameBuffer, NULL, bytes );
+   assert(buf);
+
+   ctx = glFBDevCreateContext( vis, NULL );
+   assert(buf);
+
+   b = glFBDevMakeCurrent( ctx, buf, buf );
+   assert(b);
+
+   /*printf("GL_EXTENSIONS: %s\n", glGetString(GL_EXTENSIONS));*/
+   glGetIntegerv(GL_RED_BITS, &r);
+   glGetIntegerv(GL_GREEN_BITS, &g);
+   glGetIntegerv(GL_BLUE_BITS, &b);
+   glGetIntegerv(GL_ALPHA_BITS, &a);
+   printf("RED_BITS=%d GREEN_BITS=%d BLUE_BITS=%d ALPHA_BITS=%d\n",
+          r, g, b, a);
+
+   glClearColor(0.5, 0.5, 1.0, 0);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glFrustum(-1, 1, -1, 1, 2, 30);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glTranslatef(0, 0, -15);
+   glViewport(0, 0, VarInfo.xres_virtual, VarInfo.yres_virtual);
+   glEnable(GL_LIGHTING);
+   glEnable(GL_LIGHT0);
+   glEnable(GL_DEPTH_TEST);
+
+   for (ang = 0; ang <= 180; ang += 15) {
+      glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+      glPushMatrix();
+      glRotatef(ang, 1, 0, 0);
+      glutSolidTorus(1, 3, 40, 20);
+      glPopMatrix();
+      glFBDevSwapBuffers(buf);
+   }
+
+   /* clean up */
+   b = glFBDevMakeCurrent( NULL, NULL, NULL);
+   assert(b);
+
+   glFBDevDestroyContext(ctx);
+   glFBDevDestroyBuffer(buf);
+   glFBDevDestroyVisual(vis);
+}
+
+
+int
+main( int argc, char *argv[] )
+{
+   signal(SIGUSR1, signal_handler);  /* exit if someone tries a vt switch */
+   signal(SIGSEGV, signal_handler);  /* catch segfaults */
+
+   initialize_fbdev();
+   gltest();
+   shutdown_fbdev();
+
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/miniglx/manytex.c b/nx-X11/extras/Mesa_6.4.2/progs/miniglx/manytex.c
new file mode 100644
index 000000000..36fa10d22
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/miniglx/manytex.c
@@ -0,0 +1,382 @@
+/* $Id: manytex.c,v 1.2 2003/08/23 01:28:59 jonsmirl Exp $ */
+
+/*
+ * test handling of many texture maps
+ * Also tests texture priority and residency.
+ *
+ * Brian Paul
+ * August 2, 2000
+ */
+
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+#include <GL/glut.h>
+
+
+static GLint NumTextures = 20;
+static GLuint *TextureID = NULL;
+static GLint *TextureWidth = NULL, *TextureHeight = NULL;
+static GLboolean *TextureResidency = NULL;
+static GLint TexWidth = 128, TexHeight = 128;
+static GLfloat Zrot = 0;
+static GLboolean Anim = GL_TRUE;
+static GLint WinWidth = 500, WinHeight = 400;
+static GLboolean MipMap = GL_FALSE;
+static GLboolean LinearFilter = GL_FALSE;
+static GLboolean RandomSize = GL_FALSE;
+static GLint Rows, Columns;
+static GLint LowPriorityCount = 0;
+
+
+static void Idle( void )
+{
+   Zrot += 1.0;
+   glutPostRedisplay();
+}
+
+
+static void Display( void )
+{
+   GLfloat spacing = WinWidth / Columns;
+   GLfloat size = spacing * 0.4;
+   GLint i;
+
+   /* test residency */
+   if (0)
+   {
+      GLboolean b;
+      GLint i, resident;
+      b = glAreTexturesResident(NumTextures, TextureID, TextureResidency);
+      if (b) {
+         printf("all resident\n");
+      }
+      else {
+         resident = 0;
+         for (i = 0; i < NumTextures; i++) {
+            if (TextureResidency[i]) {
+               resident++;
+            }
+         }
+         printf("%d of %d texture resident\n", resident, NumTextures);
+      }
+   }
+
+   /* render the textured quads */
+   glClear( GL_COLOR_BUFFER_BIT );
+   for (i = 0; i < NumTextures; i++) {
+      GLint row = i / Columns;
+      GLint col = i % Columns;
+      GLfloat x = col * spacing + spacing * 0.5;
+      GLfloat y = row * spacing + spacing * 0.5;
+
+      GLfloat maxDim = (TextureWidth[i] > TextureHeight[i])
+         ? TextureWidth[i] : TextureHeight[i];
+      GLfloat w = TextureWidth[i] / maxDim;
+      GLfloat h = TextureHeight[i] / maxDim;
+
+      glPushMatrix();
+         glTranslatef(x, y, 0.0);
+         glRotatef(Zrot, 0, 0, 1);
+         glScalef(size, size, 1);
+
+         glBindTexture(GL_TEXTURE_2D, TextureID[i]);
+         glBegin(GL_POLYGON);
+#if 0
+         glTexCoord2f(0, 0);  glVertex2f(-1, -1);
+         glTexCoord2f(1, 0);  glVertex2f( 1, -1);
+         glTexCoord2f(1, 1);  glVertex2f( 1,  1);
+         glTexCoord2f(0, 1);  glVertex2f(-1,  1);
+#else
+         glTexCoord2f(0, 0);  glVertex2f(-w, -h);
+         glTexCoord2f(1, 0);  glVertex2f( w, -h);
+         glTexCoord2f(1, 1);  glVertex2f( w,  h);
+         glTexCoord2f(0, 1);  glVertex2f(-w,  h);
+#endif
+         glEnd();
+      glPopMatrix();
+   }
+
+   glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+   WinWidth = width;
+   WinHeight = height;
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glOrtho(0, width, 0, height, -1, 1);
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+}
+
+
+/*
+ * Return a random int in [min, max].
+ */
+static int RandomInt(int min, int max)
+{
+   int i = rand();
+   int j = i % (max - min + 1);
+   return min + j;
+}
+
+
+
+static void Init( void )
+{
+   GLint i;
+
+   if (RandomSize) {
+      printf("Creating %d %s random-size textures, ", NumTextures,
+             MipMap ? "Mipmapped" : "non-Mipmapped");
+   }
+   else {
+      printf("Creating %d %s %d x %d textures, ", NumTextures,
+             MipMap ? "Mipmapped" : "non-Mipmapped",
+             TexWidth, TexHeight);
+   }
+
+   if (LinearFilter) {
+      printf("bilinear filtering\n");
+   }
+   else {
+      printf("nearest filtering\n");
+   }
+
+
+   /* compute number of rows and columns of rects */
+   {
+      GLfloat area = (GLfloat) (WinWidth * WinHeight) / (GLfloat) NumTextures;
+      GLfloat edgeLen = sqrt(area);
+
+      Columns = WinWidth / edgeLen;
+      Rows = (NumTextures + Columns - 1) / Columns;
+      printf("Rows: %d  Cols: %d\n", Rows, Columns);
+   }
+
+
+   if (!TextureID) {
+      TextureID = (GLuint *) malloc(sizeof(GLuint) * NumTextures);
+      assert(TextureID);
+      glGenTextures(NumTextures, TextureID);
+   }
+
+   if (!TextureResidency) {
+      TextureResidency = (GLboolean *) malloc(sizeof(GLboolean) * NumTextures);
+      assert(TextureResidency);
+   }
+
+   if (!TextureWidth) {
+      TextureWidth = (GLint *) malloc(sizeof(GLint) * NumTextures);
+      assert(TextureWidth);
+   }
+   if (!TextureHeight) {
+      TextureHeight = (GLint *) malloc(sizeof(GLint) * NumTextures);
+      assert(TextureHeight);
+   }
+
+   for (i = 0; i < NumTextures; i++) {
+      GLubyte color[4];
+      GLubyte *texImage;
+      GLint j, row, col;
+
+      row = i / Columns;
+      col = i % Columns;
+
+      glBindTexture(GL_TEXTURE_2D, TextureID[i]);
+
+      if (i < LowPriorityCount)
+         glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_PRIORITY, 0.5F);
+
+      if (RandomSize) {
+#if 0
+         int k = (glutGet(GLUT_ELAPSED_TIME) % 7) + 2;
+         TexWidth  = 1 << k;
+         TexHeight = 1 << k;
+#else
+         TexWidth = 1 << RandomInt(2, 7);
+         TexHeight = 1 << RandomInt(2, 7);
+         printf("Random size of %3d: %d x %d\n", i, TexWidth, TexHeight);
+#endif
+      }
+
+      TextureWidth[i] = TexWidth;
+      TextureHeight[i] = TexHeight;
+
+      texImage = (GLubyte*) malloc(4 * TexWidth * TexHeight * sizeof(GLubyte));
+      assert(texImage);
+
+      /* determine texture color */
+      color[0] = (GLint) (255.0 * ((float) col / (Columns - 1)));
+      color[1] = 127;
+      color[2] = (GLint) (255.0 * ((float) row / (Rows - 1)));
+      color[3] = 255;
+
+      /* fill in solid-colored teximage */
+      for (j = 0; j < TexWidth * TexHeight; j++) {
+         texImage[j*4+0] = color[0];
+         texImage[j*4+1] = color[1];
+         texImage[j*4+2] = color[2];
+         texImage[j*4+3] = color[3];
+     }
+
+      if (MipMap) {
+         GLint level = 0;
+         GLint w = TexWidth, h = TexHeight;
+         while (1) {
+            glTexImage2D(GL_TEXTURE_2D, level, GL_RGBA, w, h, 0,
+                         GL_RGBA, GL_UNSIGNED_BYTE, texImage);
+            if (w == 1 && h == 1)
+               break;
+            if (w > 1)
+               w /= 2;
+            if (h > 1)
+               h /= 2;
+            level++;
+            /*printf("%d: %d x %d\n", level, w, h);*/
+         }
+         if (LinearFilter) {
+            glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
+                            GL_LINEAR_MIPMAP_LINEAR);
+            glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+         }
+         else {
+            glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
+                            GL_NEAREST_MIPMAP_NEAREST);
+            glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+         }
+      }
+      else {
+         /* Set corners to white */
+         int k = 0;
+         texImage[k+0] = texImage[k+1] = texImage[k+2] = texImage[k+3] = 255;
+         k = (TexWidth - 1) * 4;
+         texImage[k+0] = texImage[k+1] = texImage[k+2] = texImage[k+3] = 255;
+         k = (TexWidth * TexHeight - TexWidth) * 4;
+         texImage[k+0] = texImage[k+1] = texImage[k+2] = texImage[k+3] = 255;
+         k = (TexWidth * TexHeight - 1) * 4;
+         texImage[k+0] = texImage[k+1] = texImage[k+2] = texImage[k+3] = 255;
+
+         glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, TexWidth, TexHeight, 0,
+                      GL_RGBA, GL_UNSIGNED_BYTE, texImage);
+         if (LinearFilter) {
+            glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+            glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+         }
+         else {
+            glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+            glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+         }
+      }
+
+      free(texImage);
+   }
+
+   glEnable(GL_TEXTURE_2D);
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   const GLfloat step = 3.0;
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 'a':
+         Anim = !Anim;
+         if (Anim)
+            glutIdleFunc(Idle);
+         else
+            glutIdleFunc(NULL);
+         break;
+      case 's':
+         Idle();
+         break;
+      case 'z':
+         Zrot -= step;
+         break;
+      case 'Z':
+         Zrot += step;
+         break;
+      case ' ':
+         Init();
+         break;
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+int main( int argc, char *argv[] )
+{
+   GLint i;
+
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( WinWidth, WinHeight );
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
+   glutCreateWindow(argv[0]);
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutDisplayFunc( Display );
+   if (Anim)
+      glutIdleFunc(Idle);
+
+   for (i = 1; i < argc; i++) {
+      if (strcmp(argv[i], "-n") == 0) {
+         NumTextures = atoi(argv[i+1]);
+         if (NumTextures <= 0) {
+            printf("Error, bad number of textures\n");
+            return 1;
+         }
+         i++;
+      }
+      else if (strcmp(argv[i], "-mipmap") == 0) {
+         MipMap = GL_TRUE;
+      }
+      else if (strcmp(argv[i], "-linear") == 0) {
+         LinearFilter = GL_TRUE;
+      }
+      else if (strcmp(argv[i], "-size") == 0) {
+         TexWidth = atoi(argv[i+1]);
+         TexHeight = atoi(argv[i+2]);
+         assert(TexWidth >= 1);
+         assert(TexHeight >= 1);
+         i += 2;
+      }
+      else if (strcmp(argv[i], "-randomsize") == 0) {
+         RandomSize = GL_TRUE;
+      }
+      else if (strcmp(argv[i], "-lowpri") == 0) {
+         LowPriorityCount = atoi(argv[i+1]);
+         i++;
+      }
+      else {
+         printf("Usage:\n");
+         printf("  manytex [options]\n");
+         printf("Options:\n");
+         printf("  -n <number of texture objects>\n");
+         printf("  -size <width> <height>  - specify texture size\n");
+         printf("  -randomsize  - use random size textures\n");
+         printf("  -mipmap      - generate mipmaps\n");
+         printf("  -linear      - use linear filtering instead of nearest\n");
+         printf("  -lowpri <n>  - Set lower priority on <n> textures\n");
+         return 0;
+      }
+   }
+
+   Init();
+
+   glutMainLoop();
+
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/miniglx/miniglxsample.c b/nx-X11/extras/Mesa_6.4.2/progs/miniglx/miniglxsample.c
new file mode 100644
index 000000000..d4d6729f9
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/miniglx/miniglxsample.c
@@ -0,0 +1,128 @@
+
+#define USE_MINIGLX 1  /* 1 = use Mini GLX, 0 = use Xlib/GLX */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <GL/gl.h>
+
+#if USE_MINIGLX
+#include <GL/miniglx.h>
+#else
+#include <GL/glx.h>
+#include <X11/Xlib.h>
+#endif
+
+static void _subset_Rectf( GLfloat x1, GLfloat y1, GLfloat x2, GLfloat y2 )
+{
+   glBegin( GL_QUADS );
+   glVertex2f( x1, y1 );
+   glVertex2f( x2, y1 );
+   glVertex2f( x2, y2 );
+   glVertex2f( x1, y2 );
+   glEnd();
+}
+
+
+/*
+ * Create a simple double-buffered RGBA window.
+ */
+static Window
+MakeWindow(Display * dpy, unsigned int width, unsigned int height)
+{
+   int visAttributes[] = {
+      GLX_RGBA,
+      GLX_RED_SIZE, 1,
+      GLX_GREEN_SIZE, 1,
+      GLX_BLUE_SIZE, 1,
+      GLX_DOUBLEBUFFER,
+      None
+   };
+   XSetWindowAttributes attr;
+   unsigned long attrMask;
+   Window root;
+   Window win;
+   GLXContext ctx;
+   XVisualInfo *visinfo;
+
+   root = RootWindow(dpy, 0);
+
+   /* Choose GLX visual / pixel format */
+   visinfo = glXChooseVisual(dpy, 0, visAttributes);
+   if (!visinfo) {
+      printf("Error: couldn't get an RGB, Double-buffered visual\n");
+      exit(1);
+   }
+
+   /* Create the window */
+   attr.background_pixel = 0;
+   attr.border_pixel = 0;
+   attr.colormap = XCreateColormap(dpy, root, visinfo->visual, AllocNone);
+   attrMask = CWBackPixel | CWBorderPixel | CWColormap;
+   win = XCreateWindow(dpy, root, 0, 0, width, height,
+		       0, visinfo->depth, InputOutput,
+		       visinfo->visual, attrMask, &attr);
+   if (!win) {
+      printf("Error: XCreateWindow failed\n");
+      exit(1);
+   }
+
+   /* Display the window */
+   XMapWindow(dpy, win);
+
+   /* Create GLX rendering context */
+   ctx = glXCreateContext(dpy, visinfo, NULL, True);
+   if (!ctx) {
+      printf("Error: glXCreateContext failed\n");
+      exit(1);
+   }
+
+   /* Bind the rendering context and window */
+   glXMakeCurrent(dpy, win, ctx);
+
+   glViewport(0, 0, width, height);
+
+   return win;
+}
+
+
+/*
+ * Draw a few frames of a rotating square.
+ */
+static void
+DrawFrames(Display * dpy, Window win)
+{
+   int angle;
+   glShadeModel(GL_FLAT);
+   glClearColor(0.5, 0.5, 0.5, 1.0);
+   for (angle = 0; angle < 360; angle += 10) {
+      glClear(GL_COLOR_BUFFER_BIT);
+      glColor3f(1.0, 1.0, 0.0);
+      glPushMatrix();
+      glRotatef(angle, 0, 0, 1);
+      _subset_Rectf(-0.8, -0.8, 0.8, 0.8);
+      glPopMatrix();
+      glXSwapBuffers(dpy, win);
+      sleep(1);
+   }
+}
+
+
+int
+main(int argc, char *argv[])
+{
+   Display *dpy;
+   Window win;
+
+   dpy = XOpenDisplay(NULL);
+   if (!dpy) {
+      printf("Error: XOpenDisplay failed\n");
+      return 1;
+   }
+
+   win = MakeWindow(dpy, 300, 300);
+
+   DrawFrames(dpy, win);
+
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/miniglx/miniglxtest.c b/nx-X11/extras/Mesa_6.4.2/progs/miniglx/miniglxtest.c
new file mode 100644
index 000000000..ecc5786b7
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/miniglx/miniglxtest.c
@@ -0,0 +1,195 @@
+/* $Id: miniglxtest.c,v 1.3 2004/03/25 14:58:39 brianp Exp $ */
+
+/*
+ * Test the mini GLX interface.
+ */
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <GL/gl.h>
+#define USE_MINI_GLX 1
+#if USE_MINI_GLX
+#include <GL/miniglx.h>
+#else
+#include <GL/glx.h>
+#endif
+
+#define FRONTBUFFER 1
+#define NR          6
+#define DO_SLEEPS   1
+#define NR_DISPLAYS 2
+
+GLXContext ctx;
+
+
+static void _subset_Rectf( GLfloat x1, GLfloat y1, GLfloat x2, GLfloat y2 )
+{
+   glBegin( GL_QUADS );
+   glVertex2f( x1, y1 );
+   glVertex2f( x2, y1 );
+   glVertex2f( x2, y2 );
+   glVertex2f( x1, y2 );
+   glEnd();
+}
+
+
+
+static void redraw( Display *dpy, Window w, int rot )
+{
+   printf("Redraw event\n");
+
+#if FRONTBUFFER
+    glDrawBuffer( GL_FRONT ); 
+#else
+/*     glDrawBuffer( GL_BACK );    */
+#endif
+
+   glClearColor( rand()/(float)RAND_MAX, 
+		 rand()/(float)RAND_MAX, 
+		 rand()/(float)RAND_MAX,
+		 1);
+
+   glClear( GL_COLOR_BUFFER_BIT ); 
+
+#if 1
+   glColor3f( rand()/(float)RAND_MAX, 
+	      rand()/(float)RAND_MAX, 
+	      rand()/(float)RAND_MAX );
+   glPushMatrix();
+   glRotatef(rot, 0, 0, 1);
+   glScalef(.5, .5, .5);
+   _subset_Rectf( -1, -1, 1, 1 );
+   glPopMatrix();
+#endif
+
+#if FRONTBUFFER
+   glFlush();
+#else
+   glXSwapBuffers( dpy, w ); 
+#endif
+   glFinish();
+}
+
+
+static Window make_rgb_db_window( Display *dpy,
+				  unsigned int width, unsigned int height )
+{
+   int attrib[] = { GLX_RGBA,
+		    GLX_RED_SIZE, 1,
+		    GLX_GREEN_SIZE, 1,
+		    GLX_BLUE_SIZE, 1,
+#if !FRONTBUFFER
+ 		    GLX_DOUBLEBUFFER, 
+#endif
+		    None };
+   int scrnum;
+   XSetWindowAttributes attr;
+   unsigned long mask;
+   Window root;
+   Window win;
+   XVisualInfo *visinfo;
+
+   scrnum = 0;
+   root = RootWindow( dpy, scrnum );
+
+   if (!(visinfo = glXChooseVisual( dpy, scrnum, attrib ))) {
+      printf("Error: couldn't get an RGB, Double-buffered visual\n");
+      exit(1);
+   }
+
+   if(!(ctx = glXCreateContext( dpy, visinfo, NULL, True ))) {
+      printf("Error: glXCreateContext failed\n");
+      exit(1);
+   }
+
+   /* window attributes */
+   attr.background_pixel = 0;
+   attr.border_pixel = 0;
+   attr.colormap = XCreateColormap( dpy, root, visinfo->visual, AllocNone);
+   attr.event_mask = StructureNotifyMask | ExposureMask;
+   mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
+
+   win = XCreateWindow( dpy, root, 0, 0, width, height,
+		        0, visinfo->depth, InputOutput,
+		        visinfo->visual, mask, &attr );
+   if (!win) {
+      printf("Error: XCreateWindow failed\n");
+      exit(1);
+   }
+
+   glXMakeCurrent( dpy, win, ctx );
+
+   glViewport(0, 0, width, height);
+
+   return win;
+}
+
+
+static void event_loop( Display *dpy, Window win )
+{
+   int i;
+
+   printf("Hang on... drawing %d frames\n", NR);
+   for (i = 0; i < NR; i++) {
+      redraw( dpy, win, i*10 );
+      if (DO_SLEEPS) {
+	 printf("sleep(1)\n");   
+	 sleep(1);  
+      }
+   }
+}
+
+
+static int foo( void )
+{
+   Display *dpy;
+   Window win;
+
+   dpy = XOpenDisplay(NULL);
+   if (!dpy) {
+      printf("Error: XOpenDisplay failed\n");
+      return 1;
+   }
+
+   win = make_rgb_db_window( dpy, 800, 600);
+
+   srand(getpid());
+
+   glShadeModel( GL_FLAT );
+   glClearColor( 0.5, 0.5, 0.5, 1.0 );
+
+   XMapWindow( dpy, win );
+
+   {
+      XEvent e;
+      while (1) {
+	 XNextEvent( dpy, &e );
+	 if (e.type == MapNotify && e.xmap.window == win) {
+	    break;
+	 }
+      }
+   }
+
+   event_loop( dpy, win );
+
+   glXDestroyContext( dpy, ctx );
+   XDestroyWindow( dpy, win );
+
+   XCloseDisplay( dpy );
+
+   return 0;
+}
+
+
+int main()
+{
+   int i;
+   for (i = 0 ; i < NR_DISPLAYS ; i++) {
+      if (foo() != 0)
+	 break;
+   }
+
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/miniglx/sample_server.c b/nx-X11/extras/Mesa_6.4.2/progs/miniglx/sample_server.c
new file mode 100644
index 000000000..039c04fa4
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/miniglx/sample_server.c
@@ -0,0 +1,112 @@
+/* $Id: sample_server.c,v 1.1 2003/08/06 17:47:15 keithw Exp $ */
+
+/*
+ * Sample server that just keeps first available window mapped.
+ */
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <GL/gl.h>
+#include <GL/miniglx.h>
+
+struct client {
+   struct client *next;
+   Window windowid;
+   int mappable;
+};
+
+struct client *clients = 0, *mapped_client = 0;
+
+
+static struct client *find_client( Window id )
+{
+   struct client *c;
+
+   for (c = clients ; c ; c = c->next)
+      if (c->windowid == id)
+	 return c;
+
+   return 0;
+}
+
+int main( int argc, char *argv[] )
+{
+   Display *dpy;
+   XEvent ev;
+
+   dpy = __miniglx_StartServer(NULL);
+   if (!dpy) {
+      fprintf(stderr, "Error: __miniglx_StartServer failed\n");
+      return 1;
+   }
+
+   while (XNextEvent( dpy, &ev )) {
+      struct client *c;
+
+      switch (ev.type) {
+      case MapRequest:
+	 fprintf(stderr, "MapRequest\n");
+	 c = find_client(ev.xmaprequest.window);
+	 if (!c) break;
+	 c->mappable = True;
+	 break;
+
+      case UnmapNotify:
+	 fprintf(stderr, "UnmapNotify\n");
+	 c = find_client(ev.xunmap.window);
+	 if (!c) break;
+	 c->mappable = False;
+	 if (c == mapped_client)
+	    mapped_client = 0;
+	 break;
+
+      case CreateNotify: 
+	 fprintf(stderr, "CreateNotify\n");
+	 c = malloc(sizeof(*c));
+	 c->next = clients;
+	 c->windowid = ev.xcreatewindow.window;
+	 c->mappable = False;
+	 clients = c;
+	 break;
+
+      case DestroyNotify:
+	 fprintf(stderr, "DestroyNotify\n");
+	 c = find_client(ev.xdestroywindow.window);
+	 if (!c) break;
+	 if (c == clients)
+	    clients = c->next;
+	 else {
+	    struct client *t;
+	    for (t = clients ; t->next != c ; t = t->next)
+	       ;
+	    t->next = c->next;
+	 }
+
+	 if (c == mapped_client) 
+	    mapped_client = 0;
+
+	 free(c);
+	 break;
+
+      default:
+	 break;
+      }
+
+      /* Search for first mappable client if none already mapped.
+       */
+      if (!mapped_client) {
+	 for (c = clients ; c ; c = c->next) {
+	    if (c->mappable) {
+	       XMapWindow( dpy, c->windowid );
+	       mapped_client = c;
+	       break;
+	    }
+	 }
+      }
+   }
+
+   XCloseDisplay( dpy );
+
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/miniglx/sample_server2.c b/nx-X11/extras/Mesa_6.4.2/progs/miniglx/sample_server2.c
new file mode 100644
index 000000000..58effcf48
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/miniglx/sample_server2.c
@@ -0,0 +1,229 @@
+/* $Id: sample_server2.c,v 1.2 2003/08/23 01:28:59 jonsmirl Exp $ */
+
+/*
+ * Sample server that just keeps first available window mapped.
+ * 
+ * It also reads and echos anything that happens on stdin as an
+ * example of tracking events from sources other than miniglx clients.
+ * 
+ * It reads & writes without blocking, so that eg. piping a lot of
+ * text to stdin and then hitting 'ctrl-S' on the output stream won't
+ * cause it to stop handling miniglx events.
+ *
+ * See select_tut in the linux manual pages for a good overview of the 
+ * select(2) system call.
+ */
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <GL/gl.h>
+#include <GL/miniglx.h>
+#include <errno.h>
+#include <assert.h>
+
+struct client {
+   struct client *next;
+   Window windowid;
+   int mappable;
+};
+
+struct client *clients = 0, *mapped_client = 0;
+
+#define BUFSZ 4096
+char rbuf[BUFSZ];
+int rbuf_count;
+
+
+static struct client *find_client( Window id )
+{
+   struct client *c;
+
+   for (c = clients ; c ; c = c->next)
+      if (c->windowid == id)
+	 return c;
+
+   return 0;
+}
+
+int main( int argc, char *argv[] )
+{
+   Display *dpy;
+   XEvent ev;
+   int autostart = 0;
+
+   if (argc == 2 && strcmp(argv[1], "-autostart") == 0)
+      autostart = 1;
+
+   dpy = __miniglx_StartServer(NULL);
+   if (!dpy) {
+      fprintf(stderr, "Error: __miniglx_StartServer failed\n");
+      return 1;
+   }
+
+   /* How is vt switching communicated through the XNextEvent interface?
+    */
+   while (1) {
+      int r, n;
+      struct timeval tv;
+      fd_set rfds, wfds;
+      int bored = 0;
+
+      FD_ZERO(&rfds);
+      FD_ZERO(&wfds);
+      tv.tv_sec = 1;
+      tv.tv_usec = 0;
+
+      if (rbuf_count) {
+	 FD_SET( 1, &wfds );	/* notify when we can write out buffer */
+	 n = 1;
+      }
+      else {
+	 FD_SET( 0, &rfds );	/* else notify when new data to read */
+	 n = 0;
+      }
+
+      /* __miniglx_Select waits until any of these file groups becomes
+       * readable/writable/etc (like regular select), until timeout
+       * expires (like regular select), until a signal is received
+       * (like regular select) or until an event is available for
+       * XCheckMaskEvent().
+       */
+      r = __miniglx_Select( dpy, n+1, &rfds, &wfds, 0, &tv );
+
+      /* This can happen if select() is interrupted by a signal:
+       */
+      if (r < 0 && errno != EINTR && errno != EAGAIN) {
+	 perror ("select()");
+	 exit (1);
+      }
+
+      if (tv.tv_sec == 0 && tv.tv_usec == 0)
+	 bored = 1;
+
+      /* Check and handle events on our local file descriptors
+       */
+      if (FD_ISSET( 0, &rfds )) {
+	 /* Something on stdin */	 
+	 assert(rbuf_count == 0);
+	 r = read(0, rbuf, BUFSZ);	 
+	 if (r < 1) {
+	    perror("read");	
+	    abort();
+	 }
+	 rbuf_count = r;
+      }
+
+      if (FD_ISSET( 1, &wfds )) {
+	 /* Can write to stdout */
+	 assert(rbuf_count > 0);
+	 r = write(1, rbuf, rbuf_count);	 
+	 if (r < 1) {
+	    perror("write");
+	    abort();
+	 }
+	 rbuf_count -= r;
+	 if (rbuf_count) 
+	    memmove(rbuf + r, rbuf, rbuf_count);
+      }
+
+
+      /* Check and handle events generated by miniglx:
+       */
+      while (XCheckMaskEvent( dpy, ~0, &ev )) {
+	 struct client *c;
+	 bored = 0;
+
+	 fprintf(stderr, "Received event %d\n", ev.type);
+
+	 switch (ev.type) {
+	 case CreateNotify: 
+	    fprintf(stderr, "CreateNotify -- new client\n");
+	    c = malloc(sizeof(*c));
+	    c->next = clients;
+	    c->windowid = ev.xcreatewindow.window;
+	    c->mappable = False;
+	    clients = c;
+	    break;
+
+	 case DestroyNotify:
+	    fprintf(stderr, "DestroyNotify\n");
+	    c = find_client(ev.xdestroywindow.window);
+	    if (!c) break;
+	    if (c == clients)
+	       clients = c->next;
+	    else {
+	       struct client *t;
+	       for (t = clients ; t->next != c ; t = t->next)
+		  ;
+	       t->next = c->next;
+	    }
+
+	    if (c == mapped_client) 
+	       mapped_client = 0;
+
+	    free(c);
+	    break;
+
+	 case MapRequest:
+	    fprintf(stderr, "MapRequest\n");
+	    c = find_client(ev.xmaprequest.window);
+	    if (!c) break;
+	    c->mappable = True;
+	    break;
+
+	 case UnmapNotify:
+	    fprintf(stderr, "UnmapNotify\n");
+	    c = find_client(ev.xunmap.window);
+	    if (!c) break;
+	    c->mappable = False;
+	    if (c == mapped_client)
+	       mapped_client = 0;
+	    break;
+
+	 default:
+	    break;
+	 }
+      }
+
+
+      /* Search for first mappable client if none already mapped.
+       */
+      if (!mapped_client) {
+	 struct client *c;
+	 for (c = clients ; c ; c = c->next) {
+	    if (c->mappable) {
+	       XMapWindow( dpy, c->windowid );
+	       mapped_client = c;
+	       break;
+	    }
+	 }
+	 if (!clients && autostart) {
+	    system("nohup ./texline &");
+	    system("nohup ./manytex &");
+	 }
+      }
+      else if (bored) {
+	 struct client *c;
+	 /* bored of mapped client now, let's try & find another one */
+	 for (c = mapped_client->next ; c && !c->mappable ; c = c->next)
+	    ;
+	 if (!c)
+	    for (c = clients ; c && !c->mappable ; c = c->next)
+	       ;
+	 if (c && c != mapped_client) {
+	    XUnmapWindow( dpy, mapped_client->windowid );
+	    XMapWindow( dpy, c->windowid );
+	    mapped_client = c;
+	 }
+	 else 
+	    fprintf(stderr, "I'm bored!\n");
+      }
+   }
+
+   XCloseDisplay( dpy );
+
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/miniglx/texline.c b/nx-X11/extras/Mesa_6.4.2/progs/miniglx/texline.c
new file mode 100644
index 000000000..d2a97d287
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/miniglx/texline.c
@@ -0,0 +1,268 @@
+/* $Id: texline.c,v 1.1 2003/08/06 17:47:15 keithw Exp $ */
+
+/*
+ * Test textured lines.
+ *
+ * Brian Paul
+ * September 2000
+ */
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <GL/glut.h>
+#include "../util/readtex.c"   /* I know, this is a hack. */
+
+#define TEXTURE_FILE "../images/girl.rgb"
+
+static GLboolean Antialias = GL_FALSE;
+static GLboolean Animate = GL_FALSE;
+static GLint Texture = 1;
+static GLboolean Stipple = GL_FALSE;
+static GLfloat LineWidth = 1.0;
+
+static GLfloat Xrot = -60.0, Yrot = 0.0, Zrot = 0.0;
+static GLfloat DYrot = 1.0;
+static GLboolean Points = GL_FALSE;
+static GLfloat Scale = 1.0;
+
+static void Idle( void )
+{
+   if (Animate) {
+      Zrot += DYrot;
+      glutPostRedisplay();
+   }
+}
+
+
+static void Display( void )
+{
+   GLfloat x, y, s, t;
+
+   glClear( GL_COLOR_BUFFER_BIT );
+
+   glPushMatrix();
+   glRotatef(Xrot, 1.0, 0.0, 0.0);
+   glRotatef(Yrot, 0.0, 1.0, 0.0);
+   glRotatef(Zrot, 0.0, 0.0, 1.0);
+   glScalef(Scale, Scale, Scale);
+
+   if (Texture)
+      glColor3f(1, 1, 1);
+
+   if (Points) {
+      glBegin(GL_POINTS);
+      for (t = 0.0; t <= 1.0; t += 0.025) {
+         for (s = 0.0; s <= 1.0; s += 0.025) {
+            x = s * 2.0 - 1.0;
+            y = t * 2.0 - 1.0;
+            if (!Texture)
+               glColor3f(1, 0, 1);
+            glMultiTexCoord2fARB(GL_TEXTURE1_ARB, t, s);
+            glTexCoord2f(s, t);
+            glVertex2f(x, y);
+         }
+      }
+      glEnd();
+   }
+   else {
+      glBegin(GL_LINES);
+      for (t = 0.0; t <= 1.0; t += 0.025) {
+         x = t * 2.0 - 1.0;
+         if (!Texture)
+            glColor3f(1, 0, 1);
+         glTexCoord2f(t, 0.0);
+         glMultiTexCoord2fARB(GL_TEXTURE1_ARB, 0.0, t);
+         glVertex2f(x, -1.0);
+         if (!Texture)
+            glColor3f(0, 1, 0);
+         glTexCoord2f(t, 1.0);
+         glMultiTexCoord2fARB(GL_TEXTURE1_ARB, 1.0, t);
+         glVertex2f(x, 1.0);
+      }
+      glEnd();
+   }
+
+   glPopMatrix();
+
+   glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+   GLfloat ar = (float) width / height;
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glFrustum( -ar, ar, -1.0, 1.0, 10.0, 100.0 );
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   glTranslatef( 0.0, 0.0, -12.0 );
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 'a':
+         Antialias = !Antialias;
+         if (Antialias) {
+            glEnable(GL_LINE_SMOOTH);
+            glEnable(GL_POINT_SMOOTH);
+            glEnable(GL_BLEND);
+            glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+         }
+         else {
+            glDisable(GL_LINE_SMOOTH);
+            glDisable(GL_POINT_SMOOTH);
+            glDisable(GL_BLEND);
+         }
+         break;
+      case 't':
+         Texture++;
+         if (Texture > 2)
+            Texture = 0;
+         if (Texture == 0) {
+            glActiveTextureARB(GL_TEXTURE0_ARB);
+            glDisable(GL_TEXTURE_2D);
+            glActiveTextureARB(GL_TEXTURE1_ARB);
+            glDisable(GL_TEXTURE_2D);
+         }
+         else if (Texture == 1) {
+            glActiveTextureARB(GL_TEXTURE0_ARB);
+            glEnable(GL_TEXTURE_2D);
+            glActiveTextureARB(GL_TEXTURE1_ARB);
+            glDisable(GL_TEXTURE_2D);
+         }
+         else {
+            glActiveTextureARB(GL_TEXTURE0_ARB);
+            glEnable(GL_TEXTURE_2D);
+            glActiveTextureARB(GL_TEXTURE1_ARB);
+            glEnable(GL_TEXTURE_2D);
+         }
+         break;
+      case 'w':
+         LineWidth -= 0.25;
+         if (LineWidth < 0.25)
+            LineWidth = 0.25;
+         glLineWidth(LineWidth);
+         glPointSize(LineWidth);
+         break;
+      case 'W':
+         LineWidth += 0.25;
+         if (LineWidth > 8.0)
+            LineWidth = 8.0;
+         glLineWidth(LineWidth);
+         glPointSize(LineWidth);
+         break;
+      case 'p':
+         Points = !Points;
+         break;
+      case 's':
+         Stipple = !Stipple;
+         if (Stipple)
+            glEnable(GL_LINE_STIPPLE);
+         else
+            glDisable(GL_LINE_STIPPLE);
+         break;
+      case ' ':
+         Animate = !Animate;
+         if (Animate)
+            glutIdleFunc(Idle);
+         else
+            glutIdleFunc(NULL);
+         break;
+      case 27:
+         exit(0);
+         break;
+   }
+   printf("LineWidth, PointSize = %f\n", LineWidth);
+   glutPostRedisplay();
+}
+
+
+static void SpecialKey( int key, int x, int y )
+{
+   float step = 3.0;
+   (void) x;
+   (void) y;
+
+   switch (key) {
+      case GLUT_KEY_UP:
+         Xrot += step;
+         break;
+      case GLUT_KEY_DOWN:
+         Xrot -= step;
+         break;
+      case GLUT_KEY_LEFT:
+         Yrot += step;
+         break;
+      case GLUT_KEY_RIGHT:
+         Yrot -= step;
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void Init( int argc, char *argv[] )
+{
+   GLuint u;
+   for (u = 0; u < 2; u++) {
+      glActiveTextureARB(GL_TEXTURE0_ARB + u);
+      glBindTexture(GL_TEXTURE_2D, 10+u);
+      if (u == 0)
+         glEnable(GL_TEXTURE_2D);
+      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+
+      if (u == 0)
+         glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+      else
+         glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_ADD);
+
+      glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+      if (!LoadRGBMipmaps(TEXTURE_FILE, GL_RGB)) {
+         printf("Error: couldn't load texture image\n");
+         exit(1);
+      }
+   }
+
+   glLineStipple(1, 0xff);
+
+   if (argc > 1 && strcmp(argv[1], "-info")==0) {
+      printf("GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+      printf("GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+      printf("GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+      printf("GL_EXTENSIONS = %s\n", (char *) glGetString(GL_EXTENSIONS));
+   }
+}
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowSize( 400, 300 );
+
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
+
+   glutCreateWindow(argv[0] );
+
+   Init(argc, argv);
+
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutSpecialFunc( SpecialKey );
+   glutDisplayFunc( Display );
+   if (Animate)
+      glutIdleFunc( Idle );
+
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/osdemos/Makefile b/nx-X11/extras/Mesa_6.4.2/progs/osdemos/Makefile
new file mode 100644
index 000000000..03ab78ac0
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/osdemos/Makefile
@@ -0,0 +1,73 @@
+# progs/demos/Makefile
+
+TOP = ../..
+include $(TOP)/configs/current
+
+INCDIR = $(TOP)/include
+
+OSMESA_LIBS = -L$(LIB_DIR) -lglut -lOSMesa -lGLU -lGL $(APP_LIB_DEPS)
+
+OSMESA16_LIBS = -L$(LIB_DIR) -lglut -lOSMesa16 -lGLU -lGL $(APP_LIB_DEPS)
+
+OSMESA32_LIBS = -L$(LIB_DIR) -lglut -lOSMesa32 -lGLU -lGL $(APP_LIB_DEPS)
+
+LIB_DEP = $(LIB_DIR)/$(GL_LIB_NAME) $(LIB_DIR)/$(GLU_LIB_NAME) $(LIB_DIR)/$(GLUT_LIB_NAME)
+
+PROGS = \
+	osdemo 
+
+
+##### RULES #####
+
+.SUFFIXES:
+.SUFFIXES: .c
+
+
+# make executable from .c file:
+.c: $(LIB_DEP) readtex.o
+	$(CC) -I$(INCDIR) $(CFLAGS) $< readtex.o $(APP_LIB_DEPS) -o $@
+
+
+##### TARGETS #####
+
+default: readtex.o $(PROGS)
+
+
+readtex.c: $(TOP)/progs/util/readtex.c
+	cp $< .
+
+readtex.h: $(TOP)/progs/util/readtex.h
+	cp $< .
+
+readtex.o: readtex.c readtex.h
+	$(CC) -c -I$(INCDIR) $(CFLAGS) readtex.c
+
+
+showbuffer.c: $(TOP)/progs/util/showbuffer.c
+	cp $< .
+
+showbuffer.h: $(TOP)/progs/util/showbuffer.h
+	cp $< .
+
+showbuffer.o: showbuffer.c showbuffer.h
+	$(CC) -c -I$(INCDIR) $(CFLAGS) showbuffer.c
+
+
+# special case: need the -lOSMesa library:
+osdemo: osdemo.c
+	$(CC) -I$(INCDIR) $(CFLAGS) osdemo.c $(OSMESA_LIBS) -o $@
+
+# another special case: need the -lOSMesa16 library:
+osdemo16: osdemo16.c
+	$(CC) -I$(INCDIR) $(CFLAGS) osdemo16.c $(OSMESA16_LIBS) -o $@
+
+# another special case: need the -lOSMesa32 library:
+osdemo32: osdemo32.c
+	$(CC) -I$(INCDIR) $(CFLAGS) osdemo32.c $(OSMESA32_LIBS) -o $@
+
+
+
+clean:
+	-rm -f $(PROGS)
+	-rm -f *.o *~
+	-rm -f readtex.[ch] showbuffer.[ch]
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/osdemos/osdemo.c b/nx-X11/extras/Mesa_6.4.2/progs/osdemos/osdemo.c
new file mode 100644
index 000000000..cdb3c7242
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/osdemos/osdemo.c
@@ -0,0 +1,322 @@
+
+/*
+ * Demo of off-screen Mesa rendering
+ *
+ * See Mesa/include/GL/osmesa.h for documentation of the OSMesa functions.
+ *
+ * If you want to render BIG images you'll probably have to increase
+ * MAX_WIDTH and MAX_HEIGHT in src/config.h.
+ *
+ * This program is in the public domain.
+ *
+ * Brian Paul
+ *
+ * PPM output provided by Joerg Schmalzl.
+ * ASCII PPM output added by Brian Paul.
+ *
+ * Usage: osdemo [-perf] [filename]
+ *
+ * -perf: Redraws the image 1000 times, displaying the FPS every 5 secs.
+ * filename: file to store the TGA or PPM output
+ */
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "GL/osmesa.h"
+#include "GL/glut.h"
+
+
+#define SAVE_TARGA
+
+
+#define WIDTH 400
+#define HEIGHT 400
+
+static GLint T0 = 0;
+static GLint Frames = 0;
+static int perf = 0;
+
+static void render_image( void )
+{
+   GLfloat light_ambient[] = { 0.0, 0.0, 0.0, 1.0 };
+   GLfloat light_diffuse[] = { 1.0, 1.0, 1.0, 1.0 };
+   GLfloat light_specular[] = { 1.0, 1.0, 1.0, 1.0 };
+   GLfloat light_position[] = { 1.0, 1.0, 1.0, 0.0 };
+   GLfloat red_mat[]   = { 1.0, 0.2, 0.2, 1.0 };
+   GLfloat green_mat[] = { 0.2, 1.0, 0.2, 1.0 };
+   GLfloat blue_mat[]  = { 0.2, 0.2, 1.0, 1.0 };
+
+
+   glLightfv(GL_LIGHT0, GL_AMBIENT, light_ambient);
+   glLightfv(GL_LIGHT0, GL_DIFFUSE, light_diffuse);
+   glLightfv(GL_LIGHT0, GL_SPECULAR, light_specular);
+   glLightfv(GL_LIGHT0, GL_POSITION, light_position);
+    
+   glEnable(GL_LIGHTING);
+   glEnable(GL_LIGHT0);
+   glEnable(GL_DEPTH_TEST);
+
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glOrtho(-2.5, 2.5, -2.5, 2.5, -10.0, 10.0);
+   glMatrixMode(GL_MODELVIEW);
+
+   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+   glPushMatrix();
+   glRotatef(20.0, 1.0, 0.0, 0.0);
+
+   glPushMatrix();
+   glTranslatef(-0.75, 0.5, 0.0); 
+   glRotatef(90.0, 1.0, 0.0, 0.0);
+   glMaterialfv( GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, red_mat );
+   glutSolidTorus(0.275, 0.85, 20, 20);
+   glPopMatrix();
+
+   glPushMatrix();
+   glTranslatef(-0.75, -0.5, 0.0); 
+   glRotatef(270.0, 1.0, 0.0, 0.0);
+   glMaterialfv( GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, green_mat );
+   glutSolidCone(1.0, 2.0, 16, 1);
+   glPopMatrix();
+
+#ifdef GL_HP_occlusion_test
+   if (perf == 0) {
+      GLboolean bRet;
+      glDepthMask(GL_FALSE);
+      glColorMask(GL_FALSE,GL_FALSE,GL_FALSE,GL_FALSE);
+      glEnable(GL_OCCLUSION_TEST_HP);
+      glGetBooleanv(GL_OCCLUSION_TEST_RESULT_HP,&bRet);
+
+      glPushMatrix();
+      glTranslatef(0.75, 0.0, -1.0);
+      glMaterialfv( GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, blue_mat );
+      glutSolidSphere(1.0, 20, 20);
+      glPopMatrix();
+
+      glGetBooleanv(GL_OCCLUSION_TEST_RESULT_HP,&bRet);
+      printf("Occlusion test 1 (result should be 1): %d\n",bRet);
+
+      glDepthMask(GL_TRUE);
+      glColorMask(GL_TRUE,GL_TRUE,GL_TRUE,GL_TRUE);
+      glDisable(GL_OCCLUSION_TEST_HP);
+   }
+#endif
+
+   glPushMatrix();
+   glTranslatef(0.75, 0.0, -1.0); 
+   glMaterialfv( GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, blue_mat );
+   glutSolidSphere(1.0, 20, 20);
+   glPopMatrix();
+
+#ifdef GL_HP_occlusion_test
+   if (perf == 0){
+      GLboolean bRet;
+
+      glDepthMask(GL_FALSE);
+      glColorMask(GL_FALSE,GL_FALSE,GL_FALSE,GL_FALSE);
+      glEnable(GL_OCCLUSION_TEST_HP);
+      glGetBooleanv(GL_OCCLUSION_TEST_RESULT_HP,&bRet);
+
+      /* draw a sphere inside the previous sphere */
+      glPushMatrix();
+      glTranslatef(0.75, 0.0, -1.0);
+      glMaterialfv( GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, blue_mat );
+      glutSolidSphere(0.5, 20, 20);
+      glPopMatrix();
+
+      glGetBooleanv(GL_OCCLUSION_TEST_RESULT_HP,&bRet);
+      printf("Occlusion test 2 (result should be 0): %d\n",bRet);
+
+      glDepthMask(GL_TRUE);
+      glColorMask(GL_TRUE,GL_TRUE,GL_TRUE,GL_TRUE);
+      glDisable(GL_OCCLUSION_TEST_HP);
+   }
+#endif
+
+   glPopMatrix();
+
+   /* This is very important!!!
+    * Make sure buffered commands are finished!!!
+    */
+   glFinish();
+
+   Frames++;
+   if (perf) {
+     GLint t = glutGet(GLUT_ELAPSED_TIME);
+     if (t - T0 >= 5000) {
+        GLfloat seconds = (t - T0) / 1000.0;
+        GLfloat fps = Frames / seconds;
+        printf("%d frames in %6.3f seconds = %6.3f FPS\n", Frames, seconds, fps);
+        T0 = t;
+        Frames = 0;
+     }
+   }
+}
+
+
+#ifdef SAVE_TARGA
+
+static void
+write_targa(const char *filename, const GLubyte *buffer, int width, int height)
+{
+   FILE *f = fopen( filename, "w" );
+   if (f) {
+      int i, x, y;
+      const GLubyte *ptr = buffer;
+      printf ("osdemo, writing tga file \n");
+      fputc (0x00, f);	/* ID Length, 0 => No ID	*/
+      fputc (0x00, f);	/* Color Map Type, 0 => No color map included	*/
+      fputc (0x02, f);	/* Image Type, 2 => Uncompressed, True-color Image */
+      fputc (0x00, f);	/* Next five bytes are about the color map entries */
+      fputc (0x00, f);	/* 2 bytes Index, 2 bytes length, 1 byte size */
+      fputc (0x00, f);
+      fputc (0x00, f);
+      fputc (0x00, f);
+      fputc (0x00, f);	/* X-origin of Image	*/
+      fputc (0x00, f);
+      fputc (0x00, f);	/* Y-origin of Image	*/
+      fputc (0x00, f);
+      fputc (WIDTH & 0xff, f);      /* Image Width	*/
+      fputc ((WIDTH>>8) & 0xff, f);
+      fputc (HEIGHT & 0xff, f);     /* Image Height	*/
+      fputc ((HEIGHT>>8) & 0xff, f);
+      fputc (0x18, f);		/* Pixel Depth, 0x18 => 24 Bits	*/
+      fputc (0x20, f);		/* Image Descriptor	*/
+      fclose(f);
+      f = fopen( filename, "ab" );  /* reopen in binary append mode */
+      for (y=height-1; y>=0; y--) {
+         for (x=0; x<width; x++) {
+            i = (y*width + x) * 4;
+            fputc(ptr[i+2], f); /* write blue */
+            fputc(ptr[i+1], f); /* write green */
+            fputc(ptr[i], f);   /* write red */
+         }
+      }
+   }
+}
+
+#else
+
+static void
+write_ppm(const char *filename, const GLubyte *buffer, int width, int height)
+{
+   const int binary = 0;
+   FILE *f = fopen( filename, "w" );
+   if (f) {
+      int i, x, y;
+      const GLubyte *ptr = buffer;
+      if (binary) {
+         fprintf(f,"P6\n");
+         fprintf(f,"# ppm-file created by osdemo.c\n");
+         fprintf(f,"%i %i\n", width,height);
+         fprintf(f,"255\n");
+         fclose(f);
+         f = fopen( filename, "ab" );  /* reopen in binary append mode */
+         for (y=height-1; y>=0; y--) {
+            for (x=0; x<width; x++) {
+               i = (y*width + x) * 4;
+               fputc(ptr[i], f);   /* write red */
+               fputc(ptr[i+1], f); /* write green */
+               fputc(ptr[i+2], f); /* write blue */
+            }
+         }
+      }
+      else {
+         /*ASCII*/
+         int counter = 0;
+         fprintf(f,"P3\n");
+         fprintf(f,"# ascii ppm file created by osdemo.c\n");
+         fprintf(f,"%i %i\n", width, height);
+         fprintf(f,"255\n");
+         for (y=height-1; y>=0; y--) {
+            for (x=0; x<width; x++) {
+               i = (y*width + x) * 4;
+               fprintf(f, " %3d %3d %3d", ptr[i], ptr[i+1], ptr[i+2]);
+               counter++;
+               if (counter % 5 == 0)
+                  fprintf(f, "\n");
+            }
+         }
+      }
+      fclose(f);
+   }
+}
+
+#endif
+
+
+
+int main( int argc, char *argv[] )
+{
+   void *buffer;
+   int i;
+   char *filename = NULL;
+
+   /* Create an RGBA-mode context */
+#if OSMESA_MAJOR_VERSION * 100 + OSMESA_MINOR_VERSION >= 305
+   /* specify Z, stencil, accum sizes */
+   OSMesaContext ctx = OSMesaCreateContextExt( OSMESA_RGBA, 16, 0, 0, NULL );
+#else
+   OSMesaContext ctx = OSMesaCreateContext( OSMESA_RGBA, NULL );
+#endif
+   if (!ctx) {
+      printf("OSMesaCreateContext failed!\n");
+      return 0;
+   }
+
+   for ( i=1; i<argc; i++ ) {
+      if (argv[i][0] != '-') filename = argv[i];
+      if (strcmp(argv[i], "-perf")==0) perf = 1;
+   }
+
+   /* Allocate the image buffer */
+   buffer = malloc( WIDTH * HEIGHT * 4 * sizeof(GLubyte) );
+   if (!buffer) {
+      printf("Alloc image buffer failed!\n");
+      return 0;
+   }
+
+   /* Bind the buffer to the context and make it current */
+   if (!OSMesaMakeCurrent( ctx, buffer, GL_UNSIGNED_BYTE, WIDTH, HEIGHT )) {
+      printf("OSMesaMakeCurrent failed!\n");
+      return 0;
+   }
+     
+
+   {
+      int z, s, a;
+      glGetIntegerv(GL_DEPTH_BITS, &z);
+      glGetIntegerv(GL_STENCIL_BITS, &s);
+      glGetIntegerv(GL_ACCUM_RED_BITS, &a);
+      printf("Depth=%d Stencil=%d Accum=%d\n", z, s, a);
+   }
+
+   render_image();
+   if (perf)
+      for(i=0; i< 1000; i++)
+         render_image();
+
+   if (filename != NULL) {
+#ifdef SAVE_TARGA
+      write_targa(filename, buffer, WIDTH, HEIGHT);
+#else
+      write_ppm(filename, buffer, WIDTH, HEIGHT);
+#endif
+   }
+   else {
+      printf("Specify a filename if you want to make an image file\n");
+   }
+
+   printf("all done\n");
+
+   /* free the image buffer */
+   free( buffer );
+
+   /* destroy the context */
+   OSMesaDestroyContext( ctx );
+
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/osdemos/osdemo16.c b/nx-X11/extras/Mesa_6.4.2/progs/osdemos/osdemo16.c
new file mode 100644
index 000000000..10ed695d7
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/osdemos/osdemo16.c
@@ -0,0 +1,291 @@
+/*
+ * Demo of off-screen Mesa rendering with 16-bit color channels.
+ * This requires the libOSMesa16.so library.
+ *
+ * Compile with something like this:
+ *
+ * gcc osdemo16.c -I../../include -L../../lib -lglut -lGLU -lOSMesa16 -lm -o osdemo16
+ */
+
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "GL/osmesa.h"
+#include "GL/glut.h"
+
+
+#define SAVE_TARGA
+
+
+#define WIDTH 400
+#define HEIGHT 400
+
+
+
+static void render_image( void )
+{
+   GLfloat light_ambient[] = { 0.0, 0.0, 0.0, 1.0 };
+   GLfloat light_diffuse[] = { 1.0, 1.0, 1.0, 1.0 };
+   GLfloat light_specular[] = { 1.0, 1.0, 1.0, 1.0 };
+   GLfloat light_position[] = { 1.0, 1.0, 1.0, 0.0 };
+   GLfloat red_mat[]   = { 1.0, 0.2, 0.2, 1.0 };
+   GLfloat green_mat[] = { 0.2, 1.0, 0.2, 0.5 };
+   GLfloat blue_mat[]  = { 0.2, 0.2, 1.0, 1.0 };
+   GLfloat white_mat[]  = { 1.0, 1.0, 1.0, 1.0 };
+   GLfloat purple_mat[] = { 1.0, 0.2, 1.0, 1.0 };
+   GLUquadricObj *qobj = gluNewQuadric();
+
+   glLightfv(GL_LIGHT0, GL_AMBIENT, light_ambient);
+   glLightfv(GL_LIGHT0, GL_DIFFUSE, light_diffuse);
+   glLightfv(GL_LIGHT0, GL_SPECULAR, light_specular);
+   glLightfv(GL_LIGHT0, GL_POSITION, light_position);
+    
+   glEnable(GL_LIGHTING);
+   glEnable(GL_LIGHT0);
+   glEnable(GL_DEPTH_TEST);
+
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glOrtho(-2.5, 2.5, -2.5, 2.5, -10.0, 10.0);
+   glMatrixMode(GL_MODELVIEW);
+
+   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+   glPushMatrix();
+   glRotatef(20.0, 1.0, 0.0, 0.0);
+
+#if 0
+   glPushMatrix();
+   glTranslatef(-0.75, 0.5, 0.0); 
+   glRotatef(90.0, 1.0, 0.0, 0.0);
+   glMaterialfv( GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, red_mat );
+   glutSolidTorus(0.275, 0.85, 20, 20);
+   glPopMatrix();
+#endif
+
+   /* red square */
+   glPushMatrix();
+   glTranslatef(0.0, -0.5, 0.0); 
+   glRotatef(90, 1, 0.5, 0);
+   glScalef(3, 3, 3);
+   glDisable(GL_LIGHTING);
+   glColor4f(1, 0, 0, 0.5);
+   glBegin(GL_POLYGON);
+   glVertex2f(-1, -1);
+   glVertex2f( 1, -1);
+   glVertex2f( 1,  1);
+   glVertex2f(-1,  1);
+   glEnd();
+   glEnable(GL_LIGHTING);
+   glPopMatrix();
+
+#if 0
+   /* green square */
+   glPushMatrix();
+   glTranslatef(0.0, 0.5, 0.1); 
+   glDisable(GL_LIGHTING);
+   glColor3f(0, 1, 0);
+   glBegin(GL_POLYGON);
+   glVertex2f(-1, -1);
+   glVertex2f( 1, -1);
+   glVertex2f( 1,  1);
+   glVertex2f(-1,  1);
+   glEnd();
+   glEnable(GL_LIGHTING);
+   glPopMatrix();
+
+   /* blue square */
+   glPushMatrix();
+   glTranslatef(0.75, 0.5, 0.3); 
+   glDisable(GL_LIGHTING);
+   glColor3f(0, 0, 0.5);
+   glBegin(GL_POLYGON);
+   glVertex2f(-1, -1);
+   glVertex2f( 1, -1);
+   glVertex2f( 1,  1);
+   glVertex2f(-1,  1);
+   glEnd();
+   glEnable(GL_LIGHTING);
+   glPopMatrix();
+#endif
+   glPushMatrix();
+   glTranslatef(-0.75, -0.5, 0.0); 
+   glRotatef(270.0, 1.0, 0.0, 0.0);
+   glMaterialfv( GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, green_mat );
+   glColor4f(0,1,0,0.5);
+   glEnable(GL_BLEND);
+   glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+   gluCylinder(qobj, 1.0, 0.0, 2.0, 16, 1);
+   glDisable(GL_BLEND);
+   glPopMatrix();
+
+   glPushMatrix();
+   glTranslatef(0.75, 1.0, 1.0); 
+   glMaterialfv( GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, blue_mat );
+   gluSphere(qobj, 1.0, 20, 20);
+   glPopMatrix();
+
+   glPopMatrix();
+
+   /* This is very important!!!
+    * Make sure buffered commands are finished!!!
+    */
+   glFinish();
+
+   gluDeleteQuadric(qobj);
+
+   {
+      GLint r, g, b, a;
+      glGetIntegerv(GL_RED_BITS, &r);
+      glGetIntegerv(GL_GREEN_BITS, &g);
+      glGetIntegerv(GL_BLUE_BITS, &b);
+      glGetIntegerv(GL_ALPHA_BITS, &a);
+      printf("channel sizes: %d %d %d %d\n", r, g, b, a);
+   }
+}
+
+
+
+static void
+write_targa(const char *filename, const GLushort *buffer, int width, int height)
+{
+   FILE *f = fopen( filename, "w" );
+   if (f) {
+      int i, x, y;
+      const GLushort *ptr = buffer;
+      printf ("osdemo, writing tga file \n");
+      fputc (0x00, f);	/* ID Length, 0 => No ID	*/
+      fputc (0x00, f);	/* Color Map Type, 0 => No color map included	*/
+      fputc (0x02, f);	/* Image Type, 2 => Uncompressed, True-color Image */
+      fputc (0x00, f);	/* Next five bytes are about the color map entries */
+      fputc (0x00, f);	/* 2 bytes Index, 2 bytes length, 1 byte size */
+      fputc (0x00, f);
+      fputc (0x00, f);
+      fputc (0x00, f);
+      fputc (0x00, f);	/* X-origin of Image	*/
+      fputc (0x00, f);
+      fputc (0x00, f);	/* Y-origin of Image	*/
+      fputc (0x00, f);
+      fputc (WIDTH & 0xff, f);      /* Image Width	*/
+      fputc ((WIDTH>>8) & 0xff, f);
+      fputc (HEIGHT & 0xff, f);     /* Image Height	*/
+      fputc ((HEIGHT>>8) & 0xff, f);
+      fputc (0x18, f);		/* Pixel Depth, 0x18 => 24 Bits	*/
+      fputc (0x20, f);		/* Image Descriptor	*/
+      fclose(f);
+      f = fopen( filename, "ab" );  /* reopen in binary append mode */
+      for (y=height-1; y>=0; y--) {
+         for (x=0; x<width; x++) {
+            i = (y*width + x) * 4;
+            /* just write 8 high bits */
+            fputc(ptr[i+2] >> 8, f); /* write blue */
+            fputc(ptr[i+1] >> 8, f); /* write green */
+            fputc(ptr[i] >> 8, f);   /* write red */
+         }
+      }
+   }
+}
+
+
+static void
+write_ppm(const char *filename, const GLushort *buffer, int width, int height)
+{
+   const int binary = 0;
+   FILE *f = fopen( filename, "w" );
+   if (f) {
+      int i, x, y;
+      const GLushort *ptr = buffer;
+      if (binary) {
+         fprintf(f,"P6\n");
+         fprintf(f,"# ppm-file created by osdemo.c\n");
+         fprintf(f,"%i %i\n", width,height);
+         fprintf(f,"255\n");
+         fclose(f);
+         f = fopen( filename, "ab" );  /* reopen in binary append mode */
+         for (y=height-1; y>=0; y--) {
+            for (x=0; x<width; x++) {
+               i = (y*width + x) * 4;
+               /* just write 8 high bits */
+               fputc(ptr[i] >> 8, f);   /* write red */
+               fputc(ptr[i+1] >> 8, f); /* write green */
+               fputc(ptr[i+2] >> 8, f); /* write blue */
+            }
+         }
+      }
+      else {
+         /*ASCII*/
+         int counter = 0;
+         fprintf(f,"P3\n");
+         fprintf(f,"# ascii ppm file created by osdemo.c\n");
+         fprintf(f,"%i %i\n", width, height);
+         fprintf(f,"255\n");
+         for (y=height-1; y>=0; y--) {
+            for (x=0; x<width; x++) {
+               i = (y*width + x) * 4;
+               /* just write 8 high bits */
+               fprintf(f, " %3d %3d %3d", ptr[i] >> 8, ptr[i+1] >> 8, ptr[i+2] >> 8);
+               counter++;
+               if (counter % 5 == 0)
+                  fprintf(f, "\n");
+            }
+         }
+      }
+      fclose(f);
+   }
+}
+
+
+
+int main( int argc, char *argv[] )
+{
+   GLushort *buffer;
+
+   /* Create an RGBA-mode context */
+#if OSMESA_MAJOR_VERSION * 100 + OSMESA_MINOR_VERSION >= 305
+   /* specify Z, stencil, accum sizes */
+   OSMesaContext ctx = OSMesaCreateContextExt( GL_RGBA, 16, 0, 0, NULL );
+#else
+   OSMesaContext ctx = OSMesaCreateContext( GL_RGBA, NULL );
+#endif
+   if (!ctx) {
+      printf("OSMesaCreateContext failed!\n");
+      return 0;
+   }
+
+   /* Allocate the image buffer */
+   buffer = (GLushort *) malloc( WIDTH * HEIGHT * 4 * sizeof(GLushort));
+   if (!buffer) {
+      printf("Alloc image buffer failed!\n");
+      return 0;
+   }
+
+   /* Bind the buffer to the context and make it current */
+   if (!OSMesaMakeCurrent( ctx, buffer, GL_UNSIGNED_SHORT, WIDTH, HEIGHT )) {
+      printf("OSMesaMakeCurrent failed!\n");
+      return 0;
+   }
+     
+   render_image();
+
+   if (argc>1) {
+#ifdef SAVE_TARGA
+      write_targa(argv[1], buffer, WIDTH, HEIGHT);
+#else
+      write_ppm(argv[1], buffer, WIDTH, HEIGHT);
+#endif
+   }
+   else {
+      printf("Specify a filename if you want to make an image file\n");
+   }
+
+   printf("all done\n");
+
+   /* free the image buffer */
+   free( buffer );
+
+   /* destroy the context */
+   OSMesaDestroyContext( ctx );
+
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/osdemos/osdemo32.c b/nx-X11/extras/Mesa_6.4.2/progs/osdemos/osdemo32.c
new file mode 100644
index 000000000..7295b46a8
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/osdemos/osdemo32.c
@@ -0,0 +1,308 @@
+/*
+ * Demo of off-screen Mesa rendering with 32-bit float color channels.
+ * This requires the libOSMesa32.so library.
+ *
+ * Compile with something like this:
+ *
+ * gcc osdemo32.c -I../../include -L../../lib -lglut -lGLU -lOSMesa32 -lm -o osdemo32
+ */
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "GL/osmesa.h"
+#include "GL/glut.h"
+
+
+#define SAVE_TARGA
+
+
+#define WIDTH 400
+#define HEIGHT 400
+
+
+
+static void render_image( void )
+{
+   GLfloat light_ambient[] = { 0.0, 0.0, 0.0, 1.0 };
+   GLfloat light_diffuse[] = { 1.0, 1.0, 1.0, 1.0 };
+   GLfloat light_specular[] = { 1.0, 1.0, 1.0, 1.0 };
+   GLfloat light_position[] = { 1.0, 1.0, 1.0, 0.0 };
+   GLfloat red_mat[]   = { 1.0, 0.2, 0.2, 1.0 };
+   GLfloat green_mat[] = { 0.2, 1.0, 0.2, 0.5 };
+   GLfloat blue_mat[]  = { 0.2, 0.2, 1.0, 1.0 };
+   GLfloat white_mat[]  = { 1.0, 1.0, 1.0, 1.0 };
+   GLfloat purple_mat[] = { 1.0, 0.2, 1.0, 1.0 };
+   GLUquadricObj *qobj = gluNewQuadric();
+
+   glLightfv(GL_LIGHT0, GL_AMBIENT, light_ambient);
+   glLightfv(GL_LIGHT0, GL_DIFFUSE, light_diffuse);
+   glLightfv(GL_LIGHT0, GL_SPECULAR, light_specular);
+   glLightfv(GL_LIGHT0, GL_POSITION, light_position);
+    
+   glEnable(GL_LIGHTING);
+   glEnable(GL_LIGHT0);
+   glEnable(GL_DEPTH_TEST);
+
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glOrtho(-2.5, 2.5, -2.5, 2.5, -10.0, 10.0);
+   glMatrixMode(GL_MODELVIEW);
+
+   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+   glPushMatrix();
+   glRotatef(20.0, 1.0, 0.0, 0.0);
+
+#if 0
+   glPushMatrix();
+   glTranslatef(-0.75, 0.5, 0.0); 
+   glRotatef(90.0, 1.0, 0.0, 0.0);
+   glMaterialfv( GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, red_mat );
+   glutSolidTorus(0.275, 0.85, 20, 20);
+   glPopMatrix();
+#endif
+
+   /* red square */
+   glPushMatrix();
+   glTranslatef(0.0, -0.5, 0.0); 
+   glRotatef(90, 1, 0.5, 0);
+   glScalef(3, 3, 3);
+   glDisable(GL_LIGHTING);
+   glColor4f(1, 0, 0, 0.5);
+   glBegin(GL_POLYGON);
+   glVertex2f(-1, -1);
+   glVertex2f( 1, -1);
+   glVertex2f( 1,  1);
+   glVertex2f(-1,  1);
+   glEnd();
+   glEnable(GL_LIGHTING);
+   glPopMatrix();
+
+#if 0
+   /* green square */
+   glPushMatrix();
+   glTranslatef(0.0, 0.5, 0.1); 
+   glDisable(GL_LIGHTING);
+   glColor3f(0, 1, 0);
+   glBegin(GL_POLYGON);
+   glVertex2f(-1, -1);
+   glVertex2f( 1, -1);
+   glVertex2f( 1,  1);
+   glVertex2f(-1,  1);
+   glEnd();
+   glEnable(GL_LIGHTING);
+   glPopMatrix();
+
+   /* blue square */
+   glPushMatrix();
+   glTranslatef(0.75, 0.5, 0.3); 
+   glDisable(GL_LIGHTING);
+   glColor3f(0, 0, 0.5);
+   glBegin(GL_POLYGON);
+   glVertex2f(-1, -1);
+   glVertex2f( 1, -1);
+   glVertex2f( 1,  1);
+   glVertex2f(-1,  1);
+   glEnd();
+   glEnable(GL_LIGHTING);
+   glPopMatrix();
+#endif
+   glPushMatrix();
+   glTranslatef(-0.75, -0.5, 0.0); 
+   glRotatef(270.0, 1.0, 0.0, 0.0);
+   glMaterialfv( GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, green_mat );
+   glColor4f(0,1,0,0.5);
+   glEnable(GL_BLEND);
+   glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+   gluCylinder(qobj, 1.0, 0.0, 2.0, 16, 1);
+   glDisable(GL_BLEND);
+   glPopMatrix();
+
+   glPushMatrix();
+   glTranslatef(0.75, 1.0, 1.0); 
+   glMaterialfv( GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, blue_mat );
+   gluSphere(qobj, 1.0, 20, 20);
+   glPopMatrix();
+
+   glPopMatrix();
+
+   /* This is very important!!!
+    * Make sure buffered commands are finished!!!
+    */
+   glFinish();
+
+   gluDeleteQuadric(qobj);
+
+   {
+      GLint r, g, b, a;
+      glGetIntegerv(GL_RED_BITS, &r);
+      glGetIntegerv(GL_GREEN_BITS, &g);
+      glGetIntegerv(GL_BLUE_BITS, &b);
+      glGetIntegerv(GL_ALPHA_BITS, &a);
+      printf("channel sizes: %d %d %d %d\n", r, g, b, a);
+   }
+}
+
+
+
+static void
+write_targa(const char *filename, const GLfloat *buffer, int width, int height)
+{
+   FILE *f = fopen( filename, "w" );
+   if (f) {
+      int i, x, y;
+      const GLfloat *ptr = buffer;
+      printf ("osdemo, writing tga file \n");
+      fputc (0x00, f);	/* ID Length, 0 => No ID	*/
+      fputc (0x00, f);	/* Color Map Type, 0 => No color map included	*/
+      fputc (0x02, f);	/* Image Type, 2 => Uncompressed, True-color Image */
+      fputc (0x00, f);	/* Next five bytes are about the color map entries */
+      fputc (0x00, f);	/* 2 bytes Index, 2 bytes length, 1 byte size */
+      fputc (0x00, f);
+      fputc (0x00, f);
+      fputc (0x00, f);
+      fputc (0x00, f);	/* X-origin of Image	*/
+      fputc (0x00, f);
+      fputc (0x00, f);	/* Y-origin of Image	*/
+      fputc (0x00, f);
+      fputc (WIDTH & 0xff, f);      /* Image Width	*/
+      fputc ((WIDTH>>8) & 0xff, f);
+      fputc (HEIGHT & 0xff, f);     /* Image Height	*/
+      fputc ((HEIGHT>>8) & 0xff, f);
+      fputc (0x18, f);		/* Pixel Depth, 0x18 => 24 Bits	*/
+      fputc (0x20, f);		/* Image Descriptor	*/
+      fclose(f);
+      f = fopen( filename, "ab" );  /* reopen in binary append mode */
+      for (y=height-1; y>=0; y--) {
+         for (x=0; x<width; x++) {
+            int r, g, b;
+            i = (y*width + x) * 4;
+            r = (int) (ptr[i+0] * 255.0);
+            g = (int) (ptr[i+1] * 255.0);
+            b = (int) (ptr[i+2] * 255.0);
+            if (r > 255) r = 255;
+            if (g > 255) g = 255;
+            if (b > 255) b = 255;
+            fputc(b, f); /* write blue */
+            fputc(g, f); /* write green */
+            fputc(r, f); /* write red */
+         }
+      }
+   }
+}
+
+
+static void
+write_ppm(const char *filename, const GLfloat *buffer, int width, int height)
+{
+   const int binary = 0;
+   FILE *f = fopen( filename, "w" );
+   if (f) {
+      int i, x, y;
+      const GLfloat *ptr = buffer;
+      if (binary) {
+         fprintf(f,"P6\n");
+         fprintf(f,"# ppm-file created by osdemo.c\n");
+         fprintf(f,"%i %i\n", width,height);
+         fprintf(f,"255\n");
+         fclose(f);
+         f = fopen( filename, "ab" );  /* reopen in binary append mode */
+         for (y=height-1; y>=0; y--) {
+            for (x=0; x<width; x++) {
+               int r, g, b;
+               i = (y*width + x) * 4;
+               r = (int) (ptr[i+0] * 255.0);
+               g = (int) (ptr[i+1] * 255.0);
+               b = (int) (ptr[i+2] * 255.0);
+               if (r > 255) r = 255;
+               if (g > 255) g = 255;
+               if (b > 255) b = 255;
+               fputc(r, f);   /* write red */
+               fputc(g, f); /* write green */
+               fputc(b, f); /* write blue */
+            }
+         }
+      }
+      else {
+         /*ASCII*/
+         int counter = 0;
+         fprintf(f,"P3\n");
+         fprintf(f,"# ascii ppm file created by osdemo.c\n");
+         fprintf(f,"%i %i\n", width, height);
+         fprintf(f,"255\n");
+         for (y=height-1; y>=0; y--) {
+            for (x=0; x<width; x++) {
+               int r, g, b;
+               i = (y*width + x) * 4;
+               r = (int) (ptr[i+0] * 255.0);
+               g = (int) (ptr[i+1] * 255.0);
+               b = (int) (ptr[i+2] * 255.0);
+               if (r > 255) r = 255;
+               if (g > 255) g = 255;
+               if (b > 255) b = 255;
+               fprintf(f, " %3d %3d %3d", r, g, b);
+               counter++;
+               if (counter % 5 == 0)
+                  fprintf(f, "\n");
+            }
+         }
+      }
+      fclose(f);
+   }
+}
+
+
+
+int main( int argc, char *argv[] )
+{
+   GLfloat *buffer;
+
+   /* Create an RGBA-mode context */
+#if OSMESA_MAJOR_VERSION * 100 + OSMESA_MINOR_VERSION >= 305
+   /* specify Z, stencil, accum sizes */
+   OSMesaContext ctx = OSMesaCreateContextExt( GL_RGBA, 16, 0, 0, NULL );
+#else
+   OSMesaContext ctx = OSMesaCreateContext( GL_RGBA, NULL );
+#endif
+   if (!ctx) {
+      printf("OSMesaCreateContext failed!\n");
+      return 0;
+   }
+
+   /* Allocate the image buffer */
+   buffer = (GLfloat *) malloc( WIDTH * HEIGHT * 4 * sizeof(GLfloat));
+   if (!buffer) {
+      printf("Alloc image buffer failed!\n");
+      return 0;
+   }
+
+   /* Bind the buffer to the context and make it current */
+   if (!OSMesaMakeCurrent( ctx, buffer, GL_FLOAT, WIDTH, HEIGHT )) {
+      printf("OSMesaMakeCurrent failed!\n");
+      return 0;
+   }
+     
+   render_image();
+
+   if (argc>1) {
+#ifdef SAVE_TARGA
+      write_targa(argv[1], buffer, WIDTH, HEIGHT);
+#else
+      write_ppm(argv[1], buffer, WIDTH, HEIGHT);
+#endif
+   }
+   else {
+      printf("Specify a filename if you want to make an image file\n");
+   }
+
+   printf("all done\n");
+
+   /* free the image buffer */
+   free( buffer );
+
+   /* destroy the context */
+   OSMesaDestroyContext( ctx );
+
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/.cvsignore b/nx-X11/extras/Mesa_6.4.2/progs/redbook/.cvsignore
new file mode 100644
index 000000000..8ed3efe3e
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/.cvsignore
@@ -0,0 +1,64 @@
+.cvsignore
+aaindex
+aapoly
+aargb
+accanti
+accpersp
+alpha
+alpha3D
+anti
+bezcurve
+bezmesh
+checker
+clip
+colormat
+cube
+depthcue
+dof
+double
+drawf
+feedback
+fog
+fogindex
+font
+hello
+image
+light
+lines
+list
+material
+mipmap
+model
+movelight
+nurbs
+pickdepth
+picksquare
+plane
+planet
+polyoff
+polys
+quadric
+robot
+sccolorlight
+scene
+scenebamb
+sceneflat
+select
+smooth
+stencil
+stroke
+surface
+teaambient
+teapots
+tess
+tesswind
+texbind
+texgen
+texprox
+texsub
+texturesurf
+torus
+trim
+unproject
+varray
+wrap
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/Imakefile b/nx-X11/extras/Mesa_6.4.2/progs/redbook/Imakefile
new file mode 100644
index 000000000..ab3b6d7f7
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/Imakefile
@@ -0,0 +1,221 @@
+LOCAL_LIBRARIES = $(XLIB) $(TOP)\lib\Mesaaux.a $(TOP)\lib\Mesaglu.a $(TOP)\lib\MesaGL.a

+

+INCLUDES = -I$(TOP)\include

+

+SRCS = accanti.c \

+       accnot.c \

+       accpersp.c \

+       accum.c \

+       aim.c \

+       alpha.c \

+       alpha3D.c \

+       anti.c \

+       antiindex.c \

+       antipindex.c \

+       antipoint.c \

+       antipoly.c \

+       bezcurve.c \

+       bezmesh.c \

+       bezsurf.c \

+       checker.c \

+       checker2.c \

+       chess.c \

+       clip.c \

+       colormat.c \

+       cone.c \

+       cube.c \

+       curve.c \

+       depthcue.c \

+       disk.c \

+       dof.c \

+       dofnot.c \

+       double.c \

+       drawf.c \

+       feedback.c \

+       fog.c \

+       fogindex.c \

+       font.c \

+       light.c \

+       linelist.c \

+       lines.c \

+       list.c \

+       list2.c \

+       maplight.c \

+       material.c \

+       mipmap.c \

+       model.c \

+       movelight.c \

+       nurbs.c \

+       pickdepth.c \

+       pickline.c \

+       picksquare.c \

+       plane.c \

+       planet.c \

+       planetup.c \

+       polys.c \

+       robot.c \

+       sccolorlight.c \

+       scene.c \

+       scenebamb.c \

+       sceneflat.c \

+       select.c \

+       simple.c \

+       smooth.c \

+       sphere.c \

+       stencil.c \

+       stroke.c \

+       surface.c \

+       tea.c \

+       teaambient.c \

+       teapots.c \

+       texgen.c \

+       texturesurf.c \

+       trim.c \

+       xfont.c

+

+PROGRAMS = ProgramTargetName(accanti) \

+       ProgramTargetName(accnot) \

+       ProgramTargetName(accpersp) \

+       ProgramTargetName(accum) \

+       ProgramTargetName(aim) \

+       ProgramTargetName(alpha) \

+       ProgramTargetName(alpha3D) \

+       ProgramTargetName(anti) \

+       ProgramTargetName(antiindex) \

+       ProgramTargetName(antipindex) \

+       ProgramTargetName(antipoint) \

+       ProgramTargetName(antipoly) \

+       ProgramTargetName(bezcurve) \

+       ProgramTargetName(bezmesh) \

+       ProgramTargetName(bezsurf) \

+       ProgramTargetName(checker) \

+       ProgramTargetName(checker2) \

+       ProgramTargetName(chess) \

+       ProgramTargetName(clip) \

+       ProgramTargetName(colormat) \

+       ProgramTargetName(cone) \

+       ProgramTargetName(cube) \

+       ProgramTargetName(curve) \

+       ProgramTargetName(depthcue) \

+       ProgramTargetName(disk) \

+       ProgramTargetName(dof) \

+       ProgramTargetName(dofnot) \

+       ProgramTargetName(double) \

+       ProgramTargetName(drawf) \

+       ProgramTargetName(feedback) \

+       ProgramTargetName(fog) \

+       ProgramTargetName(fogindex) \

+       ProgramTargetName(font) \

+       ProgramTargetName(light) \

+       ProgramTargetName(linelist) \

+       ProgramTargetName(lines) \

+       ProgramTargetName(list) \

+       ProgramTargetName(list2) \

+       ProgramTargetName(maplight) \

+       ProgramTargetName(material) \

+       ProgramTargetName(mipmap) \

+       ProgramTargetName(model) \

+       ProgramTargetName(movelight) \

+       ProgramTargetName(nurbs) \

+       ProgramTargetName(pickdepth) \

+       ProgramTargetName(pickline) \

+       ProgramTargetName(picksquare) \

+       ProgramTargetName(plane) \

+       ProgramTargetName(planet) \

+       ProgramTargetName(planetup) \

+       ProgramTargetName(polys) \

+       ProgramTargetName(robot) \

+       ProgramTargetName(sccolorlight) \

+       ProgramTargetName(scene) \

+       ProgramTargetName(scenebamb) \

+       ProgramTargetName(sceneflat) \

+       ProgramTargetName(select) \

+       ProgramTargetName(simple) \

+       ProgramTargetName(smooth) \

+       ProgramTargetName(sphere) \

+       ProgramTargetName(stencil) \

+       ProgramTargetName(stroke) \

+       ProgramTargetName(surface) \

+       ProgramTargetName(tea) \

+       ProgramTargetName(teaambient) \

+       ProgramTargetName(teapots) \

+       ProgramTargetName(texgen) \

+       ProgramTargetName(texturesurf) \

+       ProgramTargetName(trim) \

+       ProgramTargetName(xfont)

+

+AllTarget($(PROGRAMS))

+

+NormalProgramTarget(accanti,accanti.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(accnot,accnot.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(accpersp,accpersp.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(accum,accum.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(aim,aim.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(alpha,alpha.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(alpha3D,alpha3D.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(anti,anti.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(antiindex,antiindex.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(antipindex,antipindex.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(antipoint,antipoint.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(antipoly,antipoly.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(bezcurve,bezcurve.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(bezmesh,bezmesh.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(bezsurf,bezsurf.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(checker,checker.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(checker2,checker2.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(chess,chess.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(clip,clip.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(colormat,colormat.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(cone,cone.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(cube,cube.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(curve,curve.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(depthcue,depthcue.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(disk,disk.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(dof,dof.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(dofnot,dofnot.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(double,double.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(drawf,drawf.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(feedback,feedback.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(fog,fog.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(fogindex,fogindex.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(font,font.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(light,light.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(linelist,linelist.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(lines,lines.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(list,list.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(list2,list2.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(maplight,maplight.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(material,material.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(mipmap,mipmap.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(model,model.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(movelight,movelight.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(nurbs,nurbs.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(pickdepth,pickdepth.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(pickline,pickline.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(picksquare,picksquare.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(plane,plane.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(planet,planet.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(planetup,planetup.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(polys,polys.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(robot,robot.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(sccolorlight,sccolorlight.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(scene,scene.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(scenebamb,scenebamb.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(sceneflat,sceneflat.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(select,select.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(simple,simple.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(smooth,smooth.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(sphere,sphere.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(stencil,stencil.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(stroke,stroke.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(surface,surface.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(tea,tea.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(teaambient,teaambient.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(teapots,teapots.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(texgen,texgen.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(texturesurf,texturesurf.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(trim,trim.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(xfont,xfont.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+

+DependTarget()

+ 

diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/Makefile b/nx-X11/extras/Mesa_6.4.2/progs/redbook/Makefile
new file mode 100644
index 000000000..4cfbb9aea
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/Makefile
@@ -0,0 +1,39 @@
+# progs/redbook/Makefile
+
+TOP = ../..
+include $(TOP)/configs/current
+
+INCDIR = $(TOP)/include
+
+LIB_DEP = $(LIB_DIR)/$(GL_LIB_NAME) $(LIB_DIR)/$(GLU_LIB_NAME) $(LIB_DIR)/$(GLUT_LIB_NAME)
+
+PROGS = aaindex aapoly aargb accanti accpersp alpha alpha3D anti \
+	bezcurve bezmesh checker clip colormat cube depthcue dof \
+	double drawf feedback fog fogindex font hello image light \
+	lines list material mipmap model movelight nurbs pickdepth \
+	picksquare plane planet polyoff polys quadric robot sccolorlight \
+	scene scenebamb sceneflat select smooth stencil stroke surface \
+	teaambient teapots tess tesswind texbind texgen texprox texsub \
+	texturesurf torus trim unproject varray wrap 
+
+
+
+##### RULES #####
+
+.SUFFIXES:
+.SUFFIXES: .c
+
+.c: $(LIB_DEP)
+	$(CC) -I$(INCDIR) $(CFLAGS) $< $(APP_LIB_DEPS) -o $@
+
+
+
+##### TARGETS ######
+
+default: $(PROGS)
+
+
+clean:
+	-rm -f $(PROGS)
+	-rm -f *.o *~
+
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/Makefile.win b/nx-X11/extras/Mesa_6.4.2/progs/redbook/Makefile.win
new file mode 100644
index 000000000..7e57b8e47
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/Makefile.win
@@ -0,0 +1,78 @@
+# Makefile for Win32
+
+TOP    = ..
+INCDIR = ..\include
+LIBDIR = ..\lib
+
+!include <win32.mak>
+
+SRCS= \
+   aaindex.c \
+   aapoly.c \
+   aargb.c \
+   accanti.c \
+   accpersp.c \
+   alpha.c    \
+   alpha3D.c  \
+   anti.c     \
+   bezcurve.c  \
+   bezmesh.c   \
+   checker.c   \
+   clip.c      \
+   colormat.c  \
+   cube.c      \
+   depthcue.c  \
+   dof.c       \
+   double.c    \
+   drawf.c     \
+   feedback.c  \
+   fog.c       \
+   fogindex.c  \
+   font.c      \
+   hello.c     \
+   image.c     \
+   light.c     \
+   lines.c     \
+   list.c      \
+   material.c  \
+   mipmap.c    \
+   model.c     \
+   movelight.c \
+   nurbs.c     \
+   pickdepth.c \
+   picksquare.c \
+   plane.c     \
+   planet.c    \
+   polyoff.c  \
+   polys.c     \
+   quadric.c   \
+   robot.c     \
+   sccolorlight.c \
+   scene.c     \
+   scenebamb.c \
+   sceneflat.c \
+   select.c    \
+   smooth.c    \
+   stencil.c   \
+   stroke.c    \
+   surface.c   \
+   teaambient.c \
+   teapots.c   \
+   tess.c      \
+   tesswind.c  \
+   texbind.c   \
+   texgen.c    \
+   texprox.c   \
+   texsub.c    \
+   texturesurf.c \
+   torus.c     \
+   trim.c     \
+   unproject.c \
+   varray.c   \
+   wrap.c
+
+!include "$(TOP)/mesawin32.mak"
+
+$(EXES) : $*.obj
+	@echo $@
+	$(link) -out:$@ $* /LIBPATH:$(LIBDIR) $(LIBS)
\ No newline at end of file
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/README b/nx-X11/extras/Mesa_6.4.2/progs/redbook/README
new file mode 100644
index 000000000..4c8d5a74c
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/README
@@ -0,0 +1,41 @@
+/*
+ *	For the software in this directory
+ * (c) Copyright 1993, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED 
+ * Permission to use, copy, modify, and distribute this software for 
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that 
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission. 
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ * 
+ * US Government Users Restricted Rights 
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
+ */
+
+The source code examples in this directory accompany the examples
+printed in the _OpenGL Programming Guide_, published by Addison-Wesley;
+ISBN 0-201-63274-8.
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/Windows/redbook.dsw b/nx-X11/extras/Mesa_6.4.2/progs/redbook/Windows/redbook.dsw
new file mode 100644
index 000000000..71ba7e89e
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/Windows/redbook.dsw
@@ -0,0 +1,29 @@
+Microsoft Developer Studio Workspace File, Format Version 6.00

+# WARNING: DO NOT EDIT OR DELETE THIS WORKSPACE FILE!

+

+###############################################################################

+

+Project: "teapots"=".\teapots.dsp" - Package Owner=<4>

+

+Package=<5>

+{{{

+}}}

+

+Package=<4>

+{{{

+}}}

+

+###############################################################################

+

+Global:

+

+Package=<5>

+{{{

+}}}

+

+Package=<3>

+{{{

+}}}

+

+###############################################################################

+

diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/Windows/teapots.dsp b/nx-X11/extras/Mesa_6.4.2/progs/redbook/Windows/teapots.dsp
new file mode 100644
index 000000000..4d3986581
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/Windows/teapots.dsp
@@ -0,0 +1,112 @@
+# Microsoft Developer Studio Project File - Name="teapots" - Package Owner=<4>

+# Microsoft Developer Studio Generated Build File, Format Version 6.00

+# ** DO NOT EDIT **

+

+# TARGTYPE "Win32 (x86) Console Application" 0x0103

+

+CFG=teapots - Win32 Debug

+!MESSAGE This is not a valid makefile. To build this project using NMAKE,

+!MESSAGE use the Export Makefile command and run

+!MESSAGE 

+!MESSAGE NMAKE /f "teapots.mak".

+!MESSAGE 

+!MESSAGE You can specify a configuration when running NMAKE

+!MESSAGE by defining the macro CFG on the command line. For example:

+!MESSAGE 

+!MESSAGE NMAKE /f "teapots.mak" CFG="teapots - Win32 Debug"

+!MESSAGE 

+!MESSAGE Possible choices for configuration are:

+!MESSAGE 

+!MESSAGE "teapots - Win32 Release" (based on "Win32 (x86) Console Application")

+!MESSAGE "teapots - Win32 Debug" (based on "Win32 (x86) Console Application")

+!MESSAGE 

+

+# Begin Project

+# PROP AllowPerConfigDependencies 0

+# PROP Scc_ProjName ""

+# PROP Scc_LocalPath ""

+CPP=cl.exe

+RSC=rc.exe

+

+!IF  "$(CFG)" == "teapots - Win32 Release"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 0

+# PROP BASE Output_Dir "Release"

+# PROP BASE Intermediate_Dir "Release"

+# PROP BASE Target_Dir ""

+# PROP Use_MFC 0

+# PROP Use_Debug_Libraries 0

+# PROP Output_Dir "Release"

+# PROP Intermediate_Dir "Release"

+# PROP Ignore_Export_Lib 0

+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD CPP /nologo /W3 /GX /O2 /I "../../../include" /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c

+# ADD BASE RSC /l 0x409 /d "NDEBUG"

+# ADD RSC /l 0x409 /d "NDEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /machine:I386 /out:"../teapots.exe"

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

+PostBuild_Desc=Copy DLLs

+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

+# End Special Build Tool

+

+!ELSEIF  "$(CFG)" == "teapots - Win32 Debug"

+

+# PROP BASE Use_MFC 0

+# PROP BASE Use_Debug_Libraries 1

+# PROP BASE Output_Dir "Debug"

+# PROP BASE Intermediate_Dir "Debug"

+# PROP BASE Target_Dir ""

+# PROP Use_MFC 0

+# PROP Use_Debug_Libraries 1

+# PROP Output_Dir "Debug"

+# PROP Intermediate_Dir "Debug"

+# PROP Ignore_Export_Lib 0

+# PROP Target_Dir ""

+# ADD BASE CPP /nologo /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD CPP /nologo /W3 /Gm /GX /ZI /Od /I "../../../include" /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c

+# ADD BASE RSC /l 0x409 /d "_DEBUG"

+# ADD RSC /l 0x409 /d "_DEBUG"

+BSC32=bscmake.exe

+# ADD BASE BSC32 /nologo

+# ADD BSC32 /nologo

+LINK32=link.exe

+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept

+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /debug /machine:I386 /out:"../teapots.exe" /pdbtype:sept

+# Begin Special Build Tool

+SOURCE="$(InputPath)"

+PostBuild_Desc=Copy DLLs

+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..

+# End Special Build Tool

+

+!ENDIF 

+

+# Begin Target

+

+# Name "teapots - Win32 Release"

+# Name "teapots - Win32 Debug"

+# Begin Group "Source Files"

+

+# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat"

+# Begin Source File

+

+SOURCE=..\teapots.c

+# End Source File

+# End Group

+# Begin Group "Header Files"

+

+# PROP Default_Filter "h;hpp;hxx;hm;inl"

+# End Group

+# Begin Group "Resource Files"

+

+# PROP Default_Filter "ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe"

+# End Group

+# End Target

+# End Project

diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/aaindex.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/aaindex.c
new file mode 100644
index 000000000..7dbc7b4b9
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/aaindex.c
@@ -0,0 +1,153 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED 
+ * Permission to use, copy, modify, and distribute this software for 
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that 
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission. 
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ * 
+ * US Government Users Restricted Rights 
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ *  aaindex.c
+ *  This program draws shows how to draw anti-aliased lines in color
+ *  index mode. It draws two diagonal lines to form an X; when 'r' 
+ *  is typed in the window, the lines are rotated in opposite 
+ *  directions.
+ */
+#include <GL/glut.h>
+#include "stdlib.h"
+
+#define RAMPSIZE 16
+#define RAMP1START 32
+#define RAMP2START 48
+
+static float rotAngle = 0.;
+
+/*  Initialize antialiasing for color index mode,
+ *  including loading a green color ramp starting
+ *  at RAMP1START, and a blue color ramp starting
+ *  at RAMP2START. The ramps must be a multiple of 16.
+ */
+void init(void)
+{
+   int i;
+
+   for (i = 0; i < RAMPSIZE; i++) {
+      GLfloat shade;
+      shade = (GLfloat) i/(GLfloat) RAMPSIZE;
+      glutSetColor(RAMP1START+(GLint)i, 0., shade, 0.);
+      glutSetColor(RAMP2START+(GLint)i, 0., 0., shade);
+   }
+
+   glEnable (GL_LINE_SMOOTH);
+   glHint (GL_LINE_SMOOTH_HINT, GL_DONT_CARE);
+   glLineWidth (1.5);
+
+   glClearIndex ((GLfloat) RAMP1START);
+}
+
+/*  Draw 2 diagonal lines to form an X
+ */
+void display(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT);
+
+   glIndexi(RAMP1START);
+   glPushMatrix();
+   glRotatef(-rotAngle, 0.0, 0.0, 0.1);
+   glBegin (GL_LINES);
+      glVertex2f (-0.5, 0.5);
+      glVertex2f (0.5, -0.5);
+   glEnd ();
+   glPopMatrix();
+
+   glIndexi(RAMP2START);
+   glPushMatrix();
+   glRotatef(rotAngle, 0.0, 0.0, 0.1);
+   glBegin (GL_LINES);
+      glVertex2f (0.5, 0.5);
+      glVertex2f (-0.5, -0.5);
+   glEnd ();
+   glPopMatrix();
+
+   glFlush();
+}
+
+void reshape(int w, int h)
+{
+   glViewport(0, 0, (GLsizei) w, (GLsizei) h);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   if (w <= h) 
+      gluOrtho2D (-1.0, 1.0, 
+         -1.0*(GLfloat)h/(GLfloat)w, 1.0*(GLfloat)h/(GLfloat)w);
+   else 
+      gluOrtho2D (-1.0*(GLfloat)w/(GLfloat)h, 
+         1.0*(GLfloat)w/(GLfloat)h, -1.0, 1.0);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+   switch (key) {
+      case 'r':
+      case 'R':
+         rotAngle += 20.;
+         if (rotAngle >= 360.) rotAngle = 0.;
+         glutPostRedisplay();	
+         break;
+      case 27:  /*  Escape Key */
+         exit(0);
+         break;
+      default:
+         break;
+    }
+}
+
+/*  Main Loop
+ *  Open window with initial window size, title bar, 
+ *  color index display mode, and handle input events.
+ */
+int main(int argc, char** argv)
+{
+   glutInit(&argc, argv);
+   glutInitDisplayMode (GLUT_SINGLE | GLUT_INDEX);
+   glutInitWindowSize (200, 200);
+   glutCreateWindow (argv[0]);
+   init();
+   glutReshapeFunc (reshape);
+   glutKeyboardFunc (keyboard);
+   glutDisplayFunc (display);
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/aapoly.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/aapoly.c
new file mode 100644
index 000000000..757f0f48c
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/aapoly.c
@@ -0,0 +1,172 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED 
+ * Permission to use, copy, modify, and distribute this software for 
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that 
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission. 
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ * 
+ * US Government Users Restricted Rights 
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ *  aapoly.c
+ *  This program draws filled polygons with antialiased
+ *  edges.  The special GL_SRC_ALPHA_SATURATE blending 
+ *  function is used.
+ *  Pressing the 't' key turns the antialiasing on and off.
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+GLboolean polySmooth = GL_TRUE;
+
+static void init(void)
+{
+   glCullFace (GL_BACK);
+   glEnable (GL_CULL_FACE);
+   glBlendFunc (GL_SRC_ALPHA_SATURATE, GL_ONE);
+   glClearColor (0.0, 0.0, 0.0, 0.0);
+}
+
+#define NFACE 6
+#define NVERT 8
+void drawCube(GLdouble x0, GLdouble x1, GLdouble y0, GLdouble y1,
+        GLdouble z0, GLdouble z1)
+{
+   static GLfloat v[8][3];
+   static GLfloat c[8][4] = {
+      {0.0, 0.0, 0.0, 1.0}, {1.0, 0.0, 0.0, 1.0},
+      {0.0, 1.0, 0.0, 1.0}, {1.0, 1.0, 0.0, 1.0},
+      {0.0, 0.0, 1.0, 1.0}, {1.0, 0.0, 1.0, 1.0},
+      {0.0, 1.0, 1.0, 1.0}, {1.0, 1.0, 1.0, 1.0}
+   };
+
+/*  indices of front, top, left, bottom, right, back faces  */
+   static GLubyte indices[NFACE][4] = {
+      {4, 5, 6, 7}, {2, 3, 7, 6}, {0, 4, 7, 3},
+      {0, 1, 5, 4}, {1, 5, 6, 2}, {0, 3, 2, 1}
+   };
+
+   v[0][0] = v[3][0] = v[4][0] = v[7][0] = x0;
+   v[1][0] = v[2][0] = v[5][0] = v[6][0] = x1;
+   v[0][1] = v[1][1] = v[4][1] = v[5][1] = y0;
+   v[2][1] = v[3][1] = v[6][1] = v[7][1] = y1;
+   v[0][2] = v[1][2] = v[2][2] = v[3][2] = z0;
+   v[4][2] = v[5][2] = v[6][2] = v[7][2] = z1;
+
+#ifdef GL_VERSION_1_1
+   glEnableClientState (GL_VERTEX_ARRAY);
+   glEnableClientState (GL_COLOR_ARRAY);
+   glVertexPointer (3, GL_FLOAT, 0, v);
+   glColorPointer (4, GL_FLOAT, 0, c);
+   glDrawElements (GL_QUADS, NFACE*4, GL_UNSIGNED_BYTE, indices);
+   glDisableClientState (GL_VERTEX_ARRAY);
+   glDisableClientState (GL_COLOR_ARRAY);
+#else
+   printf ("If this is GL Version 1.0, ");
+   printf ("vertex arrays are not supported.\n");
+   exit(1);
+#endif
+}
+
+/*  Note:  polygons must be drawn from front to back
+ *  for proper blending.
+ */
+void display(void)
+{
+   if (polySmooth) {
+      glClear (GL_COLOR_BUFFER_BIT);
+      glEnable (GL_BLEND);
+      glEnable (GL_POLYGON_SMOOTH);
+      glDisable (GL_DEPTH_TEST);
+   }
+   else { 
+      glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+      glDisable (GL_BLEND);
+      glDisable (GL_POLYGON_SMOOTH);
+      glEnable (GL_DEPTH_TEST);
+   }
+
+   glPushMatrix ();
+      glTranslatef (0.0, 0.0, -8.0);    
+      glRotatef (30.0, 1.0, 0.0, 0.0);
+      glRotatef (60.0, 0.0, 1.0, 0.0); 
+      drawCube(-0.5, 0.5, -0.5, 0.5, -0.5, 0.5);
+   glPopMatrix ();
+
+   glFlush ();
+}
+
+void reshape(int w, int h)
+{
+   glViewport(0, 0, (GLsizei) w, (GLsizei) h);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   gluPerspective(30.0, (GLfloat) w/(GLfloat) h, 1.0, 20.0);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+   switch (key) {
+      case 't':
+      case 'T':
+         polySmooth = !polySmooth;
+         glutPostRedisplay();
+         break;
+      case 27:
+         exit(0);  /*  Escape key  */
+         break;
+      default:
+         break;
+   }
+}
+
+/*  Main Loop
+ */
+int main(int argc, char** argv)
+{
+   glutInit(&argc, argv);
+   glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB 
+                        | GLUT_ALPHA | GLUT_DEPTH);
+   glutInitWindowSize(200, 200);
+   glutCreateWindow(argv[0]);
+   init ();
+   glutReshapeFunc (reshape);
+   glutKeyboardFunc (keyboard);
+   glutDisplayFunc (display);
+   glutMainLoop();
+   return 0;
+}
+
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/aargb.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/aargb.c
new file mode 100644
index 000000000..f51984170
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/aargb.c
@@ -0,0 +1,149 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED 
+ * Permission to use, copy, modify, and distribute this software for 
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that 
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission. 
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ * 
+ * US Government Users Restricted Rights 
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ *  aargb.c
+ *  This program draws shows how to draw anti-aliased lines. It draws
+ *  two diagonal lines to form an X; when 'r' is typed in the window, 
+ *  the lines are rotated in opposite directions.
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+static float rotAngle = 0.;
+
+/*  Initialize antialiasing for RGBA mode, including alpha
+ *  blending, hint, and line width.  Print out implementation
+ *  specific info on line width granularity and width.
+ */
+void init(void)
+{
+   GLfloat values[2];
+   glGetFloatv (GL_LINE_WIDTH_GRANULARITY, values);
+   printf ("GL_LINE_WIDTH_GRANULARITY value is %3.1f\n", values[0]);
+
+   glGetFloatv (GL_LINE_WIDTH_RANGE, values);
+   printf ("GL_LINE_WIDTH_RANGE values are %3.1f %3.1f\n",
+      values[0], values[1]);
+
+   glEnable (GL_LINE_SMOOTH);
+   glEnable (GL_BLEND);
+   glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+   glHint (GL_LINE_SMOOTH_HINT, GL_DONT_CARE);
+   glLineWidth (1.5);
+
+   glClearColor(0.0, 0.0, 0.0, 0.0);
+}
+
+/* Draw 2 diagonal lines to form an X
+ */
+void display(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT);
+
+   glColor3f (0.0, 1.0, 0.0);
+   glPushMatrix();
+   glRotatef(-rotAngle, 0.0, 0.0, 0.1);
+   glBegin (GL_LINES);
+      glVertex2f (-0.5, 0.5);
+      glVertex2f (0.5, -0.5);
+   glEnd ();
+   glPopMatrix();
+
+   glColor3f (0.0, 0.0, 1.0);
+   glPushMatrix();
+   glRotatef(rotAngle, 0.0, 0.0, 0.1);
+   glBegin (GL_LINES);
+      glVertex2f (0.5, 0.5);
+      glVertex2f (-0.5, -0.5);
+   glEnd ();
+   glPopMatrix();
+
+   glFlush();
+}
+
+void reshape(int w, int h)
+{
+   glViewport(0, 0, w, h);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   if (w <= h) 
+      gluOrtho2D (-1.0, 1.0, 
+         -1.0*(GLfloat)h/(GLfloat)w, 1.0*(GLfloat)h/(GLfloat)w);
+   else 
+      gluOrtho2D (-1.0*(GLfloat)w/(GLfloat)h, 
+         1.0*(GLfloat)w/(GLfloat)h, -1.0, 1.0);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+   switch (key) {
+      case 'r':
+      case 'R':
+         rotAngle += 20.;
+         if (rotAngle >= 360.) rotAngle = 0.;
+         glutPostRedisplay();	
+         break;
+      case 27:  /*  Escape Key  */
+         exit(0);
+         break;
+      default:
+         break;
+    }
+}
+
+/*  Main Loop
+ *  Open window with initial window size, title bar, 
+ *  RGBA display mode, and handle input events.
+ */
+int main(int argc, char** argv)
+{
+   glutInit(&argc, argv);
+   glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB);
+   glutInitWindowSize (200, 200);
+   glutCreateWindow (argv[0]);
+   init();
+   glutReshapeFunc (reshape);
+   glutKeyboardFunc (keyboard);
+   glutDisplayFunc (display);
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/accanti.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/accanti.c
new file mode 100644
index 000000000..12ca16f7a
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/accanti.c
@@ -0,0 +1,182 @@
+
+/* Copyright (c) Mark J. Kilgard, 1994. */
+
+/*
+ * (c) Copyright 1993, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
+ */
+/*  accanti.c
+ */
+#include <stdlib.h>
+#include <GL/glut.h>
+#include "jitter.h"
+
+/*  Initialize lighting and other values.
+ */
+void myinit(void)
+{
+    GLfloat mat_ambient[] = { 1.0, 1.0, 1.0, 1.0 };
+    GLfloat mat_specular[] = { 1.0, 1.0, 1.0, 1.0 };
+    GLfloat light_position[] = { 0.0, 0.0, 10.0, 1.0 };
+    GLfloat lm_ambient[] = { 0.2, 0.2, 0.2, 1.0 };
+
+    glMaterialfv(GL_FRONT, GL_AMBIENT, mat_ambient);
+    glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
+    glMaterialf(GL_FRONT, GL_SHININESS, 50.0);
+    glLightfv(GL_LIGHT0, GL_POSITION, light_position);
+    glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lm_ambient);
+
+    glEnable(GL_LIGHTING);
+    glEnable(GL_LIGHT0);
+    glDepthFunc(GL_LESS);
+    glEnable(GL_DEPTH_TEST);
+    glShadeModel (GL_FLAT);
+
+    glClearColor(0.0, 0.0, 0.0, 0.0);
+    glClearAccum(0.0, 0.0, 0.0, 0.0);
+}
+
+void displayObjects(void)
+{
+    GLfloat torus_diffuse[] = { 0.7, 0.7, 0.0, 1.0 };
+    GLfloat cube_diffuse[] = { 0.0, 0.7, 0.7, 1.0 };
+    GLfloat sphere_diffuse[] = { 0.7, 0.0, 0.7, 1.0 };
+    GLfloat octa_diffuse[] = { 0.7, 0.4, 0.4, 1.0 };
+
+    glPushMatrix ();
+    glRotatef (30.0, 1.0, 0.0, 0.0);
+
+    glPushMatrix ();
+    glTranslatef (-0.80, 0.35, 0.0);
+    glRotatef (100.0, 1.0, 0.0, 0.0);
+    glMaterialfv(GL_FRONT, GL_DIFFUSE, torus_diffuse);
+    glutSolidTorus (0.275, 0.85, 16, 16);
+    glPopMatrix ();
+
+    glPushMatrix ();
+    glTranslatef (-0.75, -0.50, 0.0);
+    glRotatef (45.0, 0.0, 0.0, 1.0);
+    glRotatef (45.0, 1.0, 0.0, 0.0);
+    glMaterialfv(GL_FRONT, GL_DIFFUSE, cube_diffuse);
+    glutSolidCube (1.5);
+    glPopMatrix ();
+
+    glPushMatrix ();
+    glTranslatef (0.75, 0.60, 0.0);
+    glRotatef (30.0, 1.0, 0.0, 0.0);
+    glMaterialfv(GL_FRONT, GL_DIFFUSE, sphere_diffuse);
+    glutSolidSphere (1.0, 16, 16);
+    glPopMatrix ();
+
+    glPushMatrix ();
+    glTranslatef (0.70, -0.90, 0.25);
+    glMaterialfv(GL_FRONT, GL_DIFFUSE, octa_diffuse);
+    glutSolidOctahedron ();
+    glPopMatrix ();
+
+    glPopMatrix ();
+}
+
+#define ACSIZE	8
+
+void display(void)
+{
+    GLint viewport[4];
+    int jitter;
+
+    glGetIntegerv (GL_VIEWPORT, viewport);
+
+    glClear(GL_ACCUM_BUFFER_BIT);
+    for (jitter = 0; jitter < ACSIZE; jitter++) {
+	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+	glPushMatrix ();
+/*	Note that 4.5 is the distance in world space between
+ *	left and right and bottom and top.
+ *	This formula converts fractional pixel movement to
+ *	world coordinates.
+ */
+	glTranslatef (j8[jitter].x*4.5/viewport[2],
+	    j8[jitter].y*4.5/viewport[3], 0.0);
+	displayObjects ();
+	glPopMatrix ();
+	glAccum(GL_ACCUM, 1.0/ACSIZE);
+    }
+    glAccum (GL_RETURN, 1.0);
+    glFlush();
+}
+
+void myReshape(int w, int h)
+{
+    glViewport(0, 0, w, h);
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    if (w <= h)
+	glOrtho (-2.25, 2.25, -2.25*h/w, 2.25*h/w, -10.0, 10.0);
+    else
+	glOrtho (-2.25*w/h, 2.25*w/h, -2.25, 2.25, -10.0, 10.0);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void
+key(unsigned char k, int x, int y)
+{
+  switch (k) {
+  case 27:  /* Escape */
+    exit(0);
+    break;
+  default:
+    return;
+  }
+  glutPostRedisplay();
+}
+
+/*  Main Loop
+ *  Open window with initial window size, title bar,
+ *  RGBA display mode, and handle input events.
+ */
+int main(int argc, char** argv)
+{
+    glutInit(&argc, argv);
+    glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB
+			| GLUT_ACCUM | GLUT_DEPTH);
+    glutInitWindowSize (250, 250);
+    glutCreateWindow (argv[0]);
+    myinit();
+    glutReshapeFunc (myReshape);
+    glutDisplayFunc(display);
+    glutKeyboardFunc(key);
+    glutMainLoop();
+    return 0;             /* ANSI C requires main to return int. */
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/accpersp.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/accpersp.c
new file mode 100644
index 000000000..46e369ae6
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/accpersp.c
@@ -0,0 +1,240 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED 
+ * Permission to use, copy, modify, and distribute this software for 
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that 
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission. 
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ * 
+ * US Government Users Restricted Rights 
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*  accpersp.c
+ *  Use the accumulation buffer to do full-scene antialiasing
+ *  on a scene with perspective projection, using the special
+ *  routines accFrustum() and accPerspective().
+ */
+#include <stdlib.h>
+#include <math.h>
+#include <GL/glut.h>
+#include "jitter.h"
+
+#define PI_ 3.14159265358979323846
+
+/* accFrustum()
+ * The first 6 arguments are identical to the glFrustum() call.
+ *  
+ * pixdx and pixdy are anti-alias jitter in pixels. 
+ * Set both equal to 0.0 for no anti-alias jitter.
+ * eyedx and eyedy are depth-of field jitter in pixels. 
+ * Set both equal to 0.0 for no depth of field effects.
+ *
+ * focus is distance from eye to plane in focus. 
+ * focus must be greater than, but not equal to 0.0.
+ *
+ * Note that accFrustum() calls glTranslatef().  You will 
+ * probably want to insure that your ModelView matrix has been 
+ * initialized to identity before calling accFrustum().
+ */
+void accFrustum(GLdouble left, GLdouble right, GLdouble bottom, 
+   GLdouble top, GLdouble nnear, GLdouble ffar, GLdouble pixdx, 
+   GLdouble pixdy, GLdouble eyedx, GLdouble eyedy, GLdouble focus)
+{
+   GLdouble xwsize, ywsize; 
+   GLdouble dx, dy;
+   GLint viewport[4];
+
+   glGetIntegerv (GL_VIEWPORT, viewport);
+	
+   xwsize = right - left;
+   ywsize = top - bottom;
+	
+   dx = -(pixdx*xwsize/(GLdouble) viewport[2] + eyedx*nnear/focus);
+   dy = -(pixdy*ywsize/(GLdouble) viewport[3] + eyedy*nnear/focus);
+	
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glFrustum (left + dx, right + dx, bottom + dy, top + dy, nnear, ffar);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glTranslatef (-eyedx, -eyedy, 0.0);
+}
+
+/* accPerspective()
+ * 
+ * The first 4 arguments are identical to the gluPerspective() call.
+ * pixdx and pixdy are anti-alias jitter in pixels. 
+ * Set both equal to 0.0 for no anti-alias jitter.
+ * eyedx and eyedy are depth-of field jitter in pixels. 
+ * Set both equal to 0.0 for no depth of field effects.
+ *
+ * focus is distance from eye to plane in focus. 
+ * focus must be greater than, but not equal to 0.0.
+ *
+ * Note that accPerspective() calls accFrustum().
+ */
+void accPerspective(GLdouble fovy, GLdouble aspect, 
+   GLdouble nnear, GLdouble ffar, GLdouble pixdx, GLdouble pixdy, 
+   GLdouble eyedx, GLdouble eyedy, GLdouble focus)
+{
+   GLdouble fov2,left,right,bottom,top;
+
+   fov2 = ((fovy*PI_) / 180.0) / 2.0;
+
+   top = nnear / (cos(fov2) / sin(fov2));
+   bottom = -top;
+
+   right = top * aspect;
+   left = -right;
+
+   accFrustum (left, right, bottom, top, nnear, ffar,
+               pixdx, pixdy, eyedx, eyedy, focus);
+}
+
+/*  Initialize lighting and other values.
+ */
+void init(void)
+{
+   GLfloat mat_ambient[] = { 1.0, 1.0, 1.0, 1.0 };
+   GLfloat mat_specular[] = { 1.0, 1.0, 1.0, 1.0 };
+   GLfloat light_position[] = { 0.0, 0.0, 10.0, 1.0 };
+   GLfloat lm_ambient[] = { 0.2, 0.2, 0.2, 1.0 };
+
+   glMaterialfv(GL_FRONT, GL_AMBIENT, mat_ambient);
+   glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
+   glMaterialf(GL_FRONT, GL_SHININESS, 50.0);
+   glLightfv(GL_LIGHT0, GL_POSITION, light_position);
+   glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lm_ambient);
+    
+   glEnable(GL_LIGHTING);
+   glEnable(GL_LIGHT0);
+   glEnable(GL_DEPTH_TEST);
+   glShadeModel (GL_FLAT);
+
+   glClearColor(0.0, 0.0, 0.0, 0.0);
+   glClearAccum(0.0, 0.0, 0.0, 0.0);
+}
+
+void displayObjects(void) 
+{
+   GLfloat torus_diffuse[] = { 0.7, 0.7, 0.0, 1.0 };
+   GLfloat cube_diffuse[] = { 0.0, 0.7, 0.7, 1.0 };
+   GLfloat sphere_diffuse[] = { 0.7, 0.0, 0.7, 1.0 };
+   GLfloat octa_diffuse[] = { 0.7, 0.4, 0.4, 1.0 };
+    
+   glPushMatrix ();
+   glTranslatef (0.0, 0.0, -5.0); 
+   glRotatef (30.0, 1.0, 0.0, 0.0);
+
+   glPushMatrix ();
+   glTranslatef (-0.80, 0.35, 0.0); 
+   glRotatef (100.0, 1.0, 0.0, 0.0);
+   glMaterialfv(GL_FRONT, GL_DIFFUSE, torus_diffuse);
+   glutSolidTorus (0.275, 0.85, 16, 16);
+   glPopMatrix ();
+
+   glPushMatrix ();
+   glTranslatef (-0.75, -0.50, 0.0); 
+   glRotatef (45.0, 0.0, 0.0, 1.0);
+   glRotatef (45.0, 1.0, 0.0, 0.0);
+   glMaterialfv(GL_FRONT, GL_DIFFUSE, cube_diffuse);
+   glutSolidCube (1.5);
+   glPopMatrix ();
+
+   glPushMatrix ();
+   glTranslatef (0.75, 0.60, 0.0); 
+   glRotatef (30.0, 1.0, 0.0, 0.0);
+   glMaterialfv(GL_FRONT, GL_DIFFUSE, sphere_diffuse);
+   glutSolidSphere (1.0, 16, 16);
+   glPopMatrix ();
+
+   glPushMatrix ();
+   glTranslatef (0.70, -0.90, 0.25); 
+   glMaterialfv(GL_FRONT, GL_DIFFUSE, octa_diffuse);
+   glutSolidOctahedron ();
+   glPopMatrix ();
+
+   glPopMatrix ();
+}
+
+#define ACSIZE	8
+
+void display(void)
+{
+   GLint viewport[4];
+   int jitter;
+
+   glGetIntegerv (GL_VIEWPORT, viewport);
+
+   glClear(GL_ACCUM_BUFFER_BIT);
+   for (jitter = 0; jitter < ACSIZE; jitter++) {
+      glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+      accPerspective (50.0, 
+         (GLdouble) viewport[2]/(GLdouble) viewport[3], 
+         1.0, 15.0, j8[jitter].x, j8[jitter].y, 0.0, 0.0, 1.0);
+      displayObjects ();
+      glAccum(GL_ACCUM, 1.0/ACSIZE);
+   }
+   glAccum (GL_RETURN, 1.0);
+   glFlush();
+}
+
+void reshape(int w, int h)
+{
+   glViewport(0, 0, (GLsizei) w, (GLsizei) h);
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+}
+
+/*  Main Loop
+ *  Be certain you request an accumulation buffer.
+ */
+int main(int argc, char** argv)
+{
+   glutInit(&argc, argv);
+   glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB
+                        | GLUT_ACCUM | GLUT_DEPTH);
+   glutInitWindowSize (250, 250);
+   glutInitWindowPosition (100, 100);
+   glutCreateWindow (argv[0]);
+   init();
+   glutReshapeFunc(reshape);
+   glutDisplayFunc(display);
+   glutKeyboardFunc(keyboard);
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/alpha.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/alpha.c
new file mode 100644
index 000000000..6eeb45b96
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/alpha.c
@@ -0,0 +1,143 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED 
+ * Permission to use, copy, modify, and distribute this software for 
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that 
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission. 
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ * 
+ * US Government Users Restricted Rights 
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ *  alpha.c
+ *  This program draws several overlapping filled polygons
+ *  to demonstrate the effect order has on alpha blending results.
+ *  Use the 't' key to toggle the order of drawing polygons.
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+
+static int leftFirst = GL_TRUE;
+
+/*  Initialize alpha blending function.
+ */
+static void init(void)
+{
+   glEnable (GL_BLEND);
+   glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+   glShadeModel (GL_FLAT);
+   glClearColor (0.0, 0.0, 0.0, 0.0);
+}
+
+static void drawLeftTriangle(void)
+{
+   /* draw yellow triangle on LHS of screen */
+
+   glBegin (GL_TRIANGLES);
+      glColor4f(1.0, 1.0, 0.0, 0.75);
+      glVertex3f(0.1, 0.9, 0.0); 
+      glVertex3f(0.1, 0.1, 0.0); 
+      glVertex3f(0.7, 0.5, 0.0); 
+   glEnd();
+}
+
+static void drawRightTriangle(void)
+{
+   /* draw cyan triangle on RHS of screen */
+
+   glBegin (GL_TRIANGLES);
+      glColor4f(0.0, 1.0, 1.0, 0.75);
+      glVertex3f(0.9, 0.9, 0.0); 
+      glVertex3f(0.3, 0.5, 0.0); 
+      glVertex3f(0.9, 0.1, 0.0); 
+   glEnd();
+}
+
+void display(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT);
+
+   if (leftFirst) {
+      drawLeftTriangle();
+      drawRightTriangle();
+   }
+   else {
+      drawRightTriangle();
+      drawLeftTriangle();
+   }
+
+   glFlush();
+}
+
+void reshape(int w, int h)
+{
+   glViewport(0, 0, (GLsizei) w, (GLsizei) h);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   if (w <= h) 
+      gluOrtho2D (0.0, 1.0, 0.0, 1.0*(GLfloat)h/(GLfloat)w);
+   else 
+      gluOrtho2D (0.0, 1.0*(GLfloat)w/(GLfloat)h, 0.0, 1.0);
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+   switch (key) {
+      case 't':
+      case 'T':
+         leftFirst = !leftFirst;
+         glutPostRedisplay();	
+         break;
+      case 27:  /*  Escape key  */
+         exit(0);
+         break;
+      default:
+         break;
+   }
+}
+
+/*  Main Loop
+ *  Open window with initial window size, title bar, 
+ *  RGBA display mode, and handle input events.
+ */
+int main(int argc, char** argv)
+{
+   glutInit(&argc, argv);
+   glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB);
+   glutInitWindowSize (200, 200);
+   glutCreateWindow (argv[0]);
+   init();
+   glutReshapeFunc (reshape);
+   glutKeyboardFunc (keyboard);
+   glutDisplayFunc (display);
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/alpha3D.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/alpha3D.c
new file mode 100644
index 000000000..6169bd162
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/alpha3D.c
@@ -0,0 +1,185 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED 
+ * Permission to use, copy, modify, and distribute this software for 
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that 
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission. 
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ * 
+ * US Government Users Restricted Rights 
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ *  alpha3D.c
+ *  This program demonstrates how to intermix opaque and
+ *  alpha blended polygons in the same scene, by using 
+ *  glDepthMask.  Press the 'a' key to animate moving the 
+ *  transparent object through the opaque object.  Press 
+ *  the 'r' key to reset the scene.
+ */
+#include <stdlib.h>
+#include <stdio.h>
+#include <GL/glut.h>
+
+#define MAXZ 8.0
+#define MINZ -8.0
+#define ZINC 4.
+
+static float solidZ = MAXZ;
+static float transparentZ = MINZ;
+static GLuint sphereList, cubeList;
+
+static void init(void)
+{
+   GLfloat mat_specular[] = { 1.0, 1.0, 1.0, 0.15 };
+   GLfloat mat_shininess[] = { 100.0 };
+   GLfloat position[] = { 0.5, 0.5, 1.0, 0.0 };
+
+   glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
+   glMaterialfv(GL_FRONT, GL_SHININESS, mat_shininess);
+   glLightfv(GL_LIGHT0, GL_POSITION, position);
+
+   glEnable(GL_LIGHTING);
+   glEnable(GL_LIGHT0);
+   glEnable(GL_DEPTH_TEST);
+
+   sphereList = glGenLists(1);
+   glNewList(sphereList, GL_COMPILE);
+      glutSolidSphere (0.4, 16, 16);
+   glEndList();
+
+   cubeList = glGenLists(1);
+   glNewList(cubeList, GL_COMPILE);
+      glutSolidCube (0.6);
+   glEndList();
+}
+
+void display(void)
+{
+   GLfloat mat_solid[] = { 0.75, 0.75, 0.0, 1.0 };
+   GLfloat mat_zero[] = { 0.0, 0.0, 0.0, 1.0 };
+   GLfloat mat_transparent[] = { 0.0, 0.8, 0.8, 0.6 };
+   GLfloat mat_emission[] = { 0.0, 0.3, 0.3, 0.6 };
+
+   glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+   glPushMatrix ();
+      glTranslatef (-0.15, -0.15, solidZ);
+      glMaterialfv(GL_FRONT, GL_EMISSION, mat_zero);
+      glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_solid);
+      glCallList (sphereList);
+   glPopMatrix ();
+
+   glPushMatrix ();
+      glTranslatef (0.15, 0.15, transparentZ);
+      glRotatef (15.0, 1.0, 1.0, 0.0);
+      glRotatef (30.0, 0.0, 1.0, 0.0);
+      glMaterialfv(GL_FRONT, GL_EMISSION, mat_emission);
+      glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_transparent);
+      glEnable (GL_BLEND);
+      glDepthMask (GL_FALSE);
+      glBlendFunc (GL_SRC_ALPHA, GL_ONE);
+      glCallList (cubeList);
+      glDepthMask (GL_TRUE);
+      glDisable (GL_BLEND);
+   glPopMatrix ();
+
+   glutSwapBuffers();
+}
+
+void reshape(int w, int h)
+{
+   glViewport(0, 0, (GLint) w, (GLint) h);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   if (w <= h)
+      glOrtho (-1.5, 1.5, -1.5*(GLfloat)h/(GLfloat)w,
+               1.5*(GLfloat)h/(GLfloat)w, -10.0, 10.0);
+   else
+      glOrtho (-1.5*(GLfloat)w/(GLfloat)h,
+               1.5*(GLfloat)w/(GLfloat)h, -1.5, 1.5, -10.0, 10.0);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+}
+
+void animate(void)
+{
+   static double t0 = -1.;
+   if (solidZ <= MINZ || transparentZ >= MAXZ)
+   {
+      glutIdleFunc(NULL);
+      t0 = -1.;
+   }
+   else {
+      double t, dt;
+      t = glutGet(GLUT_ELAPSED_TIME) / 1000.;
+      if (t0 < 0.)
+         t0 = t;
+      dt = t - t0;
+      t0 = t;
+      solidZ -= ZINC*dt;
+      transparentZ += ZINC*dt;
+      glutPostRedisplay();
+   }
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+   switch (key) {
+      case 'a':
+      case 'A':
+         solidZ = MAXZ;
+         transparentZ = MINZ;
+         glutIdleFunc(animate);
+         break;
+      case 'r':
+      case 'R':
+         solidZ = MAXZ;
+         transparentZ = MINZ;
+         glutPostRedisplay();
+         break;
+      case 27:
+        exit(0);
+    }
+}
+
+int main(int argc, char** argv)
+{
+   glutInit(&argc, argv);
+   glutInitDisplayMode (GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH);
+   glutInitWindowSize(500, 500);
+   glutCreateWindow(argv[0]);
+   init();
+   glutReshapeFunc(reshape);
+   glutKeyboardFunc(keyboard);
+   glutDisplayFunc(display);
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/anti.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/anti.c
new file mode 100644
index 000000000..9eab0bc35
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/anti.c
@@ -0,0 +1,124 @@
+
+/* Copyright (c) Mark J. Kilgard, 1994. */
+
+/*
+ * (c) Copyright 1993, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
+ */
+/*
+ *  anti.c
+ *  This program draws antialiased lines in RGBA mode.
+ */
+#include <stdlib.h>
+#include <stdio.h>
+#include <GL/glut.h>
+
+/*  Initialize antialiasing for RGBA mode, including alpha
+ *  blending, hint, and line width.  Print out implementation
+ *  specific info on line width granularity and width.
+ */
+void myinit(void)
+{
+    GLfloat values[2];
+    glGetFloatv (GL_LINE_WIDTH_GRANULARITY, values);
+    printf ("GL_LINE_WIDTH_GRANULARITY value is %3.1f\n", values[0]);
+
+    glGetFloatv (GL_LINE_WIDTH_RANGE, values);
+    printf ("GL_LINE_WIDTH_RANGE values are %3.1f %3.1f\n",
+	values[0], values[1]);
+
+    glEnable (GL_LINE_SMOOTH);
+    glEnable (GL_BLEND);
+    glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+    glHint (GL_LINE_SMOOTH_HINT, GL_DONT_CARE);
+    glLineWidth (1.5);
+
+    glShadeModel(GL_FLAT);
+    glClearColor(0.0, 0.0, 0.0, 0.0);
+    glDepthFunc(GL_LESS);
+    glEnable(GL_DEPTH_TEST);
+}
+
+/*  display() draws an icosahedron with a large alpha value, 1.0.
+ */
+void display(void)
+{
+    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+    glColor4f (1.0, 1.0, 1.0, 1.0);
+    glutWireIcosahedron();
+    glFlush();
+}
+
+void myReshape(int w, int h)
+{
+    glViewport(0, 0, w, h);
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    gluPerspective (45.0, (GLfloat) w/(GLfloat) h, 3.0, 5.0);
+
+    glMatrixMode(GL_MODELVIEW);
+    glLoadIdentity ();
+    glTranslatef (0.0, 0.0, -4.0);  /*  move object into view   */
+}
+
+static void
+key(unsigned char k, int x, int y)
+{
+  switch (k) {
+  case 27:  /* Escape */
+    exit(0);
+    break;
+  default:
+    return;
+  }
+  glutPostRedisplay();
+}
+
+/*  Main Loop
+ *  Open window with initial window size, title bar,
+ *  RGBA display mode, and handle input events.
+ */
+int main(int argc, char** argv)
+{
+    glutInit(&argc, argv);
+    glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
+    glutCreateWindow (argv[0]);
+    myinit();
+    glutReshapeFunc (myReshape);
+    glutDisplayFunc(display);
+    glutKeyboardFunc(key);
+    glutMainLoop();
+    return 0;             /* ANSI C requires main to return int. */
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/bezcurve.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/bezcurve.c
new file mode 100644
index 000000000..5dee44039
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/bezcurve.c
@@ -0,0 +1,114 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED 
+ * Permission to use, copy, modify, and distribute this software for 
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that 
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission. 
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ * 
+ * US Government Users Restricted Rights 
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*  bezcurve.c			
+ *  This program uses evaluators to draw a Bezier curve.
+ */
+#include <stdlib.h>
+#include <GL/glut.h>
+
+GLfloat ctrlpoints[4][3] = {
+	{ -4.0, -4.0, 0.0}, { -2.0, 4.0, 0.0}, 
+	{2.0, -4.0, 0.0}, {4.0, 4.0, 0.0}};
+
+void init(void)
+{
+   glClearColor(0.0, 0.0, 0.0, 0.0);
+   glShadeModel(GL_FLAT);
+   glMap1f(GL_MAP1_VERTEX_3, 0.0, 1.0, 3, 4, &ctrlpoints[0][0]);
+   glEnable(GL_MAP1_VERTEX_3);
+}
+
+void display(void)
+{
+   int i;
+
+   glClear(GL_COLOR_BUFFER_BIT);
+   glColor3f(1.0, 1.0, 1.0);
+   glBegin(GL_LINE_STRIP);
+      for (i = 0; i <= 30; i++) 
+         glEvalCoord1f((GLfloat) i/30.0);
+   glEnd();
+   /* The following code displays the control points as dots. */
+   glPointSize(5.0);
+   glColor3f(1.0, 1.0, 0.0);
+   glBegin(GL_POINTS);
+      for (i = 0; i < 4; i++) 
+         glVertex3fv(&ctrlpoints[i][0]);
+   glEnd();
+   glFlush();
+}
+
+void reshape(int w, int h)
+{
+   glViewport(0, 0, (GLsizei) w, (GLsizei) h);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   if (w <= h)
+      glOrtho(-5.0, 5.0, -5.0*(GLfloat)h/(GLfloat)w, 
+               5.0*(GLfloat)h/(GLfloat)w, -5.0, 5.0);
+   else
+      glOrtho(-5.0*(GLfloat)w/(GLfloat)h, 
+               5.0*(GLfloat)w/(GLfloat)h, -5.0, 5.0, -5.0, 5.0);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+}
+
+int main(int argc, char** argv)
+{
+   glutInit(&argc, argv);
+   glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB);
+   glutInitWindowSize (500, 500);
+   glutInitWindowPosition (100, 100);
+   glutCreateWindow (argv[0]);
+   init ();
+   glutDisplayFunc(display);
+   glutReshapeFunc(reshape);
+   glutKeyboardFunc (keyboard);
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/bezmesh.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/bezmesh.c
new file mode 100644
index 000000000..55e7e827f
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/bezmesh.c
@@ -0,0 +1,162 @@
+
+/* Copyright (c) Mark J. Kilgard, 1994. */
+
+/**
+ * (c) Copyright 1993, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
+ */
+/*  bezsurf.c
+ *  This program renders a lighted, filled Bezier surface,
+ *  using two-dimensional evaluators.
+ */
+#include <stdlib.h>
+#include <GL/glut.h>
+
+GLfloat ctrlpoints[4][4][3] =
+{
+    {
+        {-1.5, -1.5, 4.0},
+        {-0.5, -1.5, 2.0},
+        {0.5, -1.5, -1.0},
+        {1.5, -1.5, 2.0}},
+    {
+        {-1.5, -0.5, 1.0},
+        {-0.5, -0.5, 3.0},
+        {0.5, -0.5, 0.0},
+        {1.5, -0.5, -1.0}},
+    {
+        {-1.5, 0.5, 4.0},
+        {-0.5, 0.5, 0.0},
+        {0.5, 0.5, 3.0},
+        {1.5, 0.5, 4.0}},
+    {
+        {-1.5, 1.5, -2.0},
+        {-0.5, 1.5, -2.0},
+        {0.5, 1.5, 0.0},
+        {1.5, 1.5, -1.0}}
+};
+
+void
+initlights(void)
+{
+    GLfloat ambient[] =
+    {0.2, 0.2, 0.2, 1.0};
+    GLfloat position[] =
+    {0.0, 0.0, 2.0, 1.0};
+    GLfloat mat_diffuse[] =
+    {0.6, 0.6, 0.6, 1.0};
+    GLfloat mat_specular[] =
+    {1.0, 1.0, 1.0, 1.0};
+    GLfloat mat_shininess[] =
+    {50.0};
+
+    glEnable(GL_LIGHTING);
+    glEnable(GL_LIGHT0);
+
+    glLightfv(GL_LIGHT0, GL_AMBIENT, ambient);
+    glLightfv(GL_LIGHT0, GL_POSITION, position);
+
+    glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);
+    glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
+    glMaterialfv(GL_FRONT, GL_SHININESS, mat_shininess);
+}
+
+void
+display(void)
+{
+    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+    glPushMatrix();
+    glRotatef(85.0, 1.0, 1.0, 1.0);
+    glEvalMesh2(GL_FILL, 0, 20, 0, 20);
+    glPopMatrix();
+    glFlush();
+}
+
+void
+myinit(void)
+{
+    glClearColor(0.0, 0.0, 0.0, 1.0);
+    glEnable(GL_DEPTH_TEST);
+    glMap2f(GL_MAP2_VERTEX_3, 0, 1, 3, 4,
+        0, 1, 12, 4, &ctrlpoints[0][0][0]);
+    glEnable(GL_MAP2_VERTEX_3);
+    glEnable(GL_AUTO_NORMAL);
+    glEnable(GL_NORMALIZE);
+    glMapGrid2f(20, 0.0, 1.0, 20, 0.0, 1.0);
+    initlights();       /* for lighted version only */
+}
+
+void
+myReshape(int w, int h)
+{
+    glViewport(0, 0, w, h);
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    if (w <= h)
+        glOrtho(-4.0, 4.0, -4.0 * (GLfloat) h / (GLfloat) w,
+            4.0 * (GLfloat) h / (GLfloat) w, -4.0, 4.0);
+    else
+        glOrtho(-4.0 * (GLfloat) w / (GLfloat) h,
+            4.0 * (GLfloat) w / (GLfloat) h, -4.0, 4.0, -4.0, 4.0);
+    glMatrixMode(GL_MODELVIEW);
+    glLoadIdentity();
+}
+
+static void
+key(unsigned char k, int x, int y)
+{
+  switch (k) {
+  case 27:  /* Escape */
+    exit(0);
+    break;
+  default:
+    return;
+  }
+  glutPostRedisplay();
+}
+
+int
+main(int argc, char **argv)
+{
+    glutInit(&argc, argv);
+    glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
+    glutCreateWindow(argv[0]);
+    myinit();
+    glutReshapeFunc(myReshape);
+    glutDisplayFunc(display);
+    glutKeyboardFunc(key);
+    glutMainLoop();
+    return 0;             /* ANSI C requires main to return int. */
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/checker.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/checker.c
new file mode 100644
index 000000000..06cbae7dd
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/checker.c
@@ -0,0 +1,140 @@
+
+/* Copyright (c) Mark J. Kilgard, 1994. */
+
+/*
+ * (c) Copyright 1993, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
+ */
+/*  checker.c
+ *  This program texture maps a checkerboard image onto
+ *  two rectangles.  This program clamps the texture, if
+ *  the texture coordinates fall outside 0.0 and 1.0.
+ */
+#include <stdlib.h>
+#include <GL/glut.h>
+
+/*	Create checkerboard texture	*/
+#define	checkImageWidth 64
+#define	checkImageHeight 64
+GLubyte checkImage[checkImageWidth][checkImageHeight][3];
+
+void makeCheckImage(void)
+{
+    int i, j, c;
+
+    for (i = 0; i < checkImageWidth; i++) {
+	for (j = 0; j < checkImageHeight; j++) {
+	    c = ((((i&0x8)==0)^((j&0x8)==0)))*255;
+	    checkImage[i][j][0] = (GLubyte) c;
+	    checkImage[i][j][1] = (GLubyte) c;
+	    checkImage[i][j][2] = (GLubyte) c;
+	}
+    }
+}
+
+void myinit(void)
+{
+    glClearColor (0.0, 0.0, 0.0, 0.0);
+    glEnable(GL_DEPTH_TEST);
+    glDepthFunc(GL_LESS);
+
+    makeCheckImage();
+    glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+    glTexImage2D(GL_TEXTURE_2D, 0, 3, checkImageWidth,
+	checkImageHeight, 0, GL_RGB, GL_UNSIGNED_BYTE,
+	&checkImage[0][0][0]);
+    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
+    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
+    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+    glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
+    glEnable(GL_TEXTURE_2D);
+    glShadeModel(GL_FLAT);
+}
+
+void display(void)
+{
+    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+    glBegin(GL_QUADS);
+    glTexCoord2f(0.0, 0.0); glVertex3f(-2.0, -1.0, 0.0);
+    glTexCoord2f(0.0, 1.0); glVertex3f(-2.0, 1.0, 0.0);
+    glTexCoord2f(1.0, 1.0); glVertex3f(0.0, 1.0, 0.0);
+    glTexCoord2f(1.0, 0.0); glVertex3f(0.0, -1.0, 0.0);
+
+    glTexCoord2f(0.0, 0.0); glVertex3f(1.0, -1.0, 0.0);
+    glTexCoord2f(0.0, 1.0); glVertex3f(1.0, 1.0, 0.0);
+    glTexCoord2f(1.0, 1.0); glVertex3f(2.41421, 1.0, -1.41421);
+    glTexCoord2f(1.0, 0.0); glVertex3f(2.41421, -1.0, -1.41421);
+    glEnd();
+    glutSwapBuffers();
+}
+
+void myReshape(int w, int h)
+{
+    glViewport(0, 0, w, h);
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    gluPerspective(60.0, 1.0*(GLfloat)w/(GLfloat)h, 1.0, 30.0);
+    glMatrixMode(GL_MODELVIEW);
+    glLoadIdentity();
+    glTranslatef(0.0, 0.0, -3.6);
+}
+
+static void
+key(unsigned char k, int x, int y)
+{
+  switch (k) {
+  case 27:  /* Escape */
+    exit(0);
+    break;
+  default:
+    return;
+  }
+  glutPostRedisplay();
+}
+
+int
+main(int argc, char** argv)
+{
+    glutInit(&argc, argv);
+    glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH);
+    glutCreateWindow("checker");
+    myinit();
+    glutReshapeFunc (myReshape);
+    glutDisplayFunc(display);
+    glutKeyboardFunc(key);
+    glutMainLoop();
+    return 0;             /* ANSI C requires main to return int. */
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/clip.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/clip.c
new file mode 100644
index 000000000..90816f2e2
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/clip.c
@@ -0,0 +1,108 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED 
+ * Permission to use, copy, modify, and distribute this software for 
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that 
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission. 
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ * 
+ * US Government Users Restricted Rights 
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ *  clip.c
+ *  This program demonstrates arbitrary clipping planes.
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+
+void init(void) 
+{
+   glClearColor (0.0, 0.0, 0.0, 0.0);
+   glShadeModel (GL_FLAT);
+}
+
+void display(void)
+{
+   GLdouble eqn[4] = {0.0, 1.0, 0.0, 0.0};
+   GLdouble eqn2[4] = {1.0, 0.0, 0.0, 0.0};
+
+   glClear(GL_COLOR_BUFFER_BIT);
+
+   glColor3f (1.0, 1.0, 1.0);
+   glPushMatrix();
+   glTranslatef (0.0, 0.0, -5.0);
+
+/*    clip lower half -- y < 0          */
+   glClipPlane (GL_CLIP_PLANE0, eqn);
+   glEnable (GL_CLIP_PLANE0);
+/*    clip left half -- x < 0           */
+   glClipPlane (GL_CLIP_PLANE1, eqn2);
+   glEnable (GL_CLIP_PLANE1);
+
+   glRotatef (90.0, 1.0, 0.0, 0.0);
+   glutWireSphere(1.0, 20, 16);
+   glPopMatrix();
+
+   glFlush ();
+}
+
+void reshape (int w, int h)
+{
+   glViewport (0, 0, (GLsizei) w, (GLsizei) h); 
+   glMatrixMode (GL_PROJECTION);
+   glLoadIdentity ();
+   gluPerspective(60.0, (GLfloat) w/(GLfloat) h, 1.0, 20.0);
+   glMatrixMode (GL_MODELVIEW);
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+}
+
+int main(int argc, char** argv)
+{
+   glutInit(&argc, argv);
+   glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB);
+   glutInitWindowSize (500, 500); 
+   glutInitWindowPosition (100, 100);
+   glutCreateWindow (argv[0]);
+   init ();
+   glutDisplayFunc(display); 
+   glutReshapeFunc(reshape);
+   glutKeyboardFunc(keyboard);
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/colormat.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/colormat.c
new file mode 100644
index 000000000..9db4491ba
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/colormat.c
@@ -0,0 +1,153 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED 
+ * Permission to use, copy, modify, and distribute this software for 
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that 
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission. 
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ * 
+ * US Government Users Restricted Rights 
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ *  colormat.c
+ *  After initialization, the program will be in
+ *  ColorMaterial mode.  Interaction:  pressing the 
+ *  mouse buttons will change the diffuse reflection values.
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+
+GLfloat diffuseMaterial[4] = { 0.5, 0.5, 0.5, 1.0 };
+
+/*  Initialize material property, light source, lighting model,
+ *  and depth buffer.
+ */
+void init(void) 
+{
+   GLfloat mat_specular[] = { 1.0, 1.0, 1.0, 1.0 };
+   GLfloat light_position[] = { 1.0, 1.0, 1.0, 0.0 };
+
+   glClearColor (0.0, 0.0, 0.0, 0.0);
+   glShadeModel (GL_SMOOTH);
+   glEnable(GL_DEPTH_TEST);
+   glMaterialfv(GL_FRONT, GL_DIFFUSE, diffuseMaterial);
+   glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
+   glMaterialf(GL_FRONT, GL_SHININESS, 25.0);
+   glLightfv(GL_LIGHT0, GL_POSITION, light_position);
+   glEnable(GL_LIGHTING);
+   glEnable(GL_LIGHT0);
+
+   glColorMaterial(GL_FRONT, GL_DIFFUSE);
+   glEnable(GL_COLOR_MATERIAL);
+}
+
+void display(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+   glutSolidSphere(1.0, 20, 16);
+   glFlush ();
+}
+
+void reshape (int w, int h)
+{
+   glViewport (0, 0, (GLsizei) w, (GLsizei) h);
+   glMatrixMode (GL_PROJECTION);
+   glLoadIdentity();
+   if (w <= h)
+      glOrtho (-1.5, 1.5, -1.5*(GLfloat)h/(GLfloat)w,
+         1.5*(GLfloat)h/(GLfloat)w, -10.0, 10.0);
+   else
+      glOrtho (-1.5*(GLfloat)w/(GLfloat)h,
+         1.5*(GLfloat)w/(GLfloat)h, -1.5, 1.5, -10.0, 10.0);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+}
+
+/* ARGSUSED2 */
+void mouse(int button, int state, int x, int y)
+{
+   switch (button) {
+      case GLUT_LEFT_BUTTON:
+         if (state == GLUT_DOWN) {
+            diffuseMaterial[0] += 0.1;
+            if (diffuseMaterial[0] > 1.0)
+               diffuseMaterial[0] = 0.0;
+            glColor4fv(diffuseMaterial);
+            glutPostRedisplay();
+         }
+         break;
+      case GLUT_MIDDLE_BUTTON:
+         if (state == GLUT_DOWN) {
+            diffuseMaterial[1] += 0.1;
+            if (diffuseMaterial[1] > 1.0)
+               diffuseMaterial[1] = 0.0;
+            glColor4fv(diffuseMaterial);
+            glutPostRedisplay();
+         }
+         break;
+      case GLUT_RIGHT_BUTTON:
+         if (state == GLUT_DOWN) {
+            diffuseMaterial[2] += 0.1;
+            if (diffuseMaterial[2] > 1.0)
+               diffuseMaterial[2] = 0.0;
+            glColor4fv(diffuseMaterial);
+            glutPostRedisplay();
+         }
+         break;
+      default:
+         break;
+   }
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+}
+
+int main(int argc, char** argv)
+{
+   glutInit(&argc, argv);
+   glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
+   glutInitWindowSize (500, 500); 
+   glutInitWindowPosition (100, 100);
+   glutCreateWindow (argv[0]);
+   init ();
+   glutDisplayFunc(display); 
+   glutReshapeFunc(reshape);
+   glutMouseFunc(mouse);
+   glutKeyboardFunc(keyboard);
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/cube.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/cube.c
new file mode 100644
index 000000000..5ecc6280f
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/cube.c
@@ -0,0 +1,97 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED 
+ * Permission to use, copy, modify, and distribute this software for 
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that 
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission. 
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ * 
+ * US Government Users Restricted Rights 
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ *  cube.c
+ *  This program demonstrates a single modeling transformation,
+ *  glScalef() and a single viewing transformation, gluLookAt().
+ *  A wireframe cube is rendered.
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+
+void init(void) 
+{
+   glClearColor (0.0, 0.0, 0.0, 0.0);
+   glShadeModel (GL_FLAT);
+}
+
+void display(void)
+{
+   glClear (GL_COLOR_BUFFER_BIT);
+   glColor3f (1.0, 1.0, 1.0);
+   glLoadIdentity ();             /* clear the matrix */
+           /* viewing transformation  */
+   gluLookAt (0.0, 0.0, 5.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0);
+   glScalef (1.0, 2.0, 1.0);      /* modeling transformation */ 
+   glutWireCube (1.0);
+   glFlush ();
+}
+
+void reshape (int w, int h)
+{
+   glViewport (0, 0, (GLsizei) w, (GLsizei) h); 
+   glMatrixMode (GL_PROJECTION);
+   glLoadIdentity ();
+   glFrustum (-1.0, 1.0, -1.0, 1.0, 1.5, 20.0);
+   glMatrixMode (GL_MODELVIEW);
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+}
+
+int main(int argc, char** argv)
+{
+   glutInit(&argc, argv);
+   glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB);
+   glutInitWindowSize (500, 500); 
+   glutInitWindowPosition (100, 100);
+   glutCreateWindow (argv[0]);
+   init ();
+   glutDisplayFunc(display); 
+   glutReshapeFunc(reshape);
+   glutKeyboardFunc(keyboard);
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/depthcue.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/depthcue.c
new file mode 100644
index 000000000..a3e5b743a
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/depthcue.c
@@ -0,0 +1,115 @@
+
+/* Copyright (c) Mark J. Kilgard, 1994. */
+
+/*
+ * (c) Copyright 1993, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
+ */
+/*
+ *  depthcue.c
+ *  This program draws a wireframe model, which uses
+ *  intensity (brightness) to give clues to distance.
+ *  Fog is used to achieve this effect.
+ */
+#include <stdlib.h>
+#include <GL/glut.h>
+
+/*  Initialize linear fog for depth cueing.
+ */
+void myinit(void)
+{
+    GLfloat fogColor[4] = {0.0, 0.0, 0.0, 1.0};
+
+    glEnable(GL_FOG);
+    glFogi (GL_FOG_MODE, GL_LINEAR);
+    glHint (GL_FOG_HINT, GL_NICEST);  /*  per pixel   */
+    glFogf (GL_FOG_START, 3.0);
+    glFogf (GL_FOG_END, 5.0);
+    glFogfv (GL_FOG_COLOR, fogColor);
+    glClearColor(0.0, 0.0, 0.0, 1.0);
+
+    glDepthFunc(GL_LESS);
+    glEnable(GL_DEPTH_TEST);
+    glShadeModel(GL_FLAT);
+}
+
+/*  display() draws an icosahedron.
+ */
+void display(void)
+{
+    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+    glColor3f (1.0, 1.0, 1.0);
+    glutWireIcosahedron();
+    glFlush();
+}
+
+void myReshape(int w, int h)
+{
+    glViewport(0, 0, w, h);
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    gluPerspective (45.0, (GLfloat) w/(GLfloat) h, 3.0, 5.0);
+    glMatrixMode(GL_MODELVIEW);
+    glLoadIdentity ();
+    glTranslatef (0.0, 0.0, -4.0);  /*  move object into view   */
+}
+
+static void
+key(unsigned char k, int x, int y)
+{
+  switch (k) {
+  case 27:  /* Escape */
+    exit(0);
+    break;
+  default:
+    return;
+  }
+  glutPostRedisplay();
+}
+
+/*  Main Loop
+ */
+int main(int argc, char** argv)
+{
+    glutInit(&argc, argv);
+    glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
+    glutCreateWindow(argv[0]);
+    myinit();
+    glutReshapeFunc(myReshape);
+    glutDisplayFunc(display);
+    glutKeyboardFunc(key);
+    glutMainLoop();
+    return 0;             /* ANSI C requires main to return int. */
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/dof.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/dof.c
new file mode 100644
index 000000000..6673dc2d5
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/dof.c
@@ -0,0 +1,251 @@
+
+/* Copyright (c) Mark J. Kilgard, 1994. */
+
+/*
+ * (c) Copyright 1993, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
+ */
+/*
+ *  dof.c
+ *  This program demonstrates use of the accumulation buffer to
+ *  create an out-of-focus depth-of-field effect.  The teapots
+ *  are drawn several times into the accumulation buffer.  The
+ *  viewing volume is jittered, except at the focal point, where
+ *  the viewing volume is at the same position, each time.  In
+ *  this case, the gold teapot remains in focus.
+ */
+#include <stdlib.h>
+#include <math.h>
+#include <GL/glut.h>
+#include "jitter.h"
+
+#define PI_ 3.14159265358979323846
+
+/*	accFrustum()
+ *  The first 6 arguments are identical to the glFrustum() call.
+ *
+ *  pixdx and pixdy are anti-alias jitter in pixels.
+ *  Set both equal to 0.0 for no anti-alias jitter.
+ *  eyedx and eyedy are depth-of field jitter in pixels.
+ *  Set both equal to 0.0 for no depth of field effects.
+ *
+ *  focus is distance from eye to plane in focus.
+ *  focus must be greater than, but not equal to 0.0.
+ *
+ *  Note that accFrustum() calls glTranslatef().  You will
+ *  probably want to insure that your ModelView matrix has been
+ *  initialized to identity before calling accFrustum().
+ */
+void accFrustum(GLdouble left, GLdouble right, GLdouble bottom,
+    GLdouble top, GLdouble nnear, GLdouble ffar, GLdouble pixdx,
+    GLdouble pixdy, GLdouble eyedx, GLdouble eyedy, GLdouble focus)
+{
+    GLdouble xwsize, ywsize;
+    GLdouble dx, dy;
+    GLint viewport[4];
+
+    glGetIntegerv (GL_VIEWPORT, viewport);
+
+    xwsize = right - left;
+    ywsize = top - bottom;
+
+    dx = -(pixdx*xwsize/(GLdouble) viewport[2] + eyedx*nnear/focus);
+    dy = -(pixdy*ywsize/(GLdouble) viewport[3] + eyedy*nnear/focus);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glFrustum (left + dx, right + dx, bottom + dy, top + dy, nnear, ffar);
+    glMatrixMode(GL_MODELVIEW);
+    glLoadIdentity();
+    glTranslatef (-eyedx, -eyedy, 0.0);
+}
+
+/*  accPerspective()
+ *
+ *  The first 4 arguments are identical to the gluPerspective() call.
+ *  pixdx and pixdy are anti-alias jitter in pixels.
+ *  Set both equal to 0.0 for no anti-alias jitter.
+ *  eyedx and eyedy are depth-of field jitter in pixels.
+ *  Set both equal to 0.0 for no depth of field effects.
+ *
+ *  focus is distance from eye to plane in focus.
+ *  focus must be greater than, but not equal to 0.0.
+ *
+ *  Note that accPerspective() calls accFrustum().
+ */
+void accPerspective(GLdouble fovy, GLdouble aspect,
+    GLdouble nnear, GLdouble ffar, GLdouble pixdx, GLdouble pixdy,
+    GLdouble eyedx, GLdouble eyedy, GLdouble focus)
+{
+    GLdouble fov2,left,right,bottom,top;
+
+    fov2 = ((fovy*PI_) / 180.0) / 2.0;
+
+    top = nnear / (cos(fov2) / sin(fov2));
+    bottom = -top;
+
+    right = top * aspect;
+    left = -right;
+
+    accFrustum (left, right, bottom, top, nnear, ffar,
+	pixdx, pixdy, eyedx, eyedy, focus);
+}
+
+void myinit(void)
+{
+    GLfloat ambient[] = { 0.0, 0.0, 0.0, 1.0 };
+    GLfloat diffuse[] = { 1.0, 1.0, 1.0, 1.0 };
+    GLfloat position[] = { 0.0, 3.0, 3.0, 0.0 };
+
+    GLfloat lmodel_ambient[] = { 0.2, 0.2, 0.2, 1.0 };
+    GLfloat local_view[] = { 0.0 };
+
+    glEnable(GL_DEPTH_TEST);
+    glDepthFunc(GL_LESS);
+
+    glLightfv(GL_LIGHT0, GL_AMBIENT, ambient);
+    glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse);
+    glLightfv(GL_LIGHT0, GL_POSITION, position);
+
+    glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
+    glLightModelfv(GL_LIGHT_MODEL_LOCAL_VIEWER, local_view);
+
+    glFrontFace (GL_CW);
+    glEnable(GL_LIGHTING);
+    glEnable(GL_LIGHT0);
+    glEnable(GL_AUTO_NORMAL);
+    glEnable(GL_NORMALIZE);
+
+    glMatrixMode (GL_MODELVIEW);
+    glLoadIdentity ();
+
+    glClearColor(0.0, 0.0, 0.0, 0.0);
+    glClearAccum(0.0, 0.0, 0.0, 0.0);
+}
+
+void renderTeapot (GLfloat x, GLfloat y, GLfloat z,
+    GLfloat ambr, GLfloat ambg, GLfloat ambb,
+    GLfloat difr, GLfloat difg, GLfloat difb,
+    GLfloat specr, GLfloat specg, GLfloat specb, GLfloat shine)
+{
+    float mat[4];
+
+    glPushMatrix();
+    glTranslatef (x, y, z);
+    mat[0] = ambr; mat[1] = ambg; mat[2] = ambb; mat[3] = 1.0;
+    glMaterialfv (GL_FRONT, GL_AMBIENT, mat);
+    mat[0] = difr; mat[1] = difg; mat[2] = difb;
+    glMaterialfv (GL_FRONT, GL_DIFFUSE, mat);
+    mat[0] = specr; mat[1] = specg; mat[2] = specb;
+    glMaterialfv (GL_FRONT, GL_SPECULAR, mat);
+    glMaterialf (GL_FRONT, GL_SHININESS, shine*128.0);
+    glutSolidTeapot(0.5);
+    glPopMatrix();
+}
+
+/*  display() draws 5 teapots into the accumulation buffer
+ *  several times; each time with a jittered perspective.
+ *  The focal point is at z = 5.0, so the gold teapot will
+ *  stay in focus.  The amount of jitter is adjusted by the
+ *  magnitude of the accPerspective() jitter; in this example, 0.33.
+ *  In this example, the teapots are drawn 8 times.  See jitter.h
+ */
+void display(void)
+{
+    int jitter;
+    GLint viewport[4];
+
+    glGetIntegerv (GL_VIEWPORT, viewport);
+    glClear(GL_ACCUM_BUFFER_BIT);
+
+    for (jitter = 0; jitter < 8; jitter++) {
+	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+	accPerspective (45.0,
+		(GLdouble) viewport[2]/(GLdouble) viewport[3],
+		1.0, 15.0, 0.0, 0.0,
+		0.33*j8[jitter].x, 0.33*j8[jitter].y, 5.0);
+/*	ruby, gold, silver, emerald, and cyan teapots	*/
+	renderTeapot (-1.1, -0.5, -4.5, 0.1745, 0.01175, 0.01175,
+	    0.61424, 0.04136, 0.04136, 0.727811, 0.626959, 0.626959, 0.6);
+	renderTeapot (-0.5, -0.5, -5.0, 0.24725, 0.1995, 0.0745,
+	    0.75164, 0.60648, 0.22648, 0.628281, 0.555802, 0.366065, 0.4);
+	renderTeapot (0.2, -0.5, -5.5, 0.19225, 0.19225, 0.19225,
+	    0.50754, 0.50754, 0.50754, 0.508273, 0.508273, 0.508273, 0.4);
+	renderTeapot (1.0, -0.5, -6.0, 0.0215, 0.1745, 0.0215,
+	    0.07568, 0.61424, 0.07568, 0.633, 0.727811, 0.633, 0.6);
+	renderTeapot (1.8, -0.5, -6.5, 0.0, 0.1, 0.06, 0.0, 0.50980392,
+	    0.50980392, 0.50196078, 0.50196078, 0.50196078, .25);
+	glAccum (GL_ACCUM, 0.125);
+    }
+
+    glAccum (GL_RETURN, 1.0);
+    glFlush();
+}
+
+void myReshape(int w, int h)
+{
+    glViewport(0, 0, w, h);
+}
+
+static void
+key(unsigned char k, int x, int y)
+{
+  switch (k) {
+  case 27:  /* Escape */
+    exit(0);
+    break;
+  default:
+    return;
+  }
+  glutPostRedisplay();
+}
+
+/*  Main Loop
+ *  Open window with initial window size, title bar,
+ *  RGBA display mode, depth buffer, and handle input events.
+ */
+int main(int argc, char** argv)
+{
+    glutInit(&argc, argv);
+    glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB
+			| GLUT_ACCUM | GLUT_DEPTH);
+    glutCreateWindow (argv[0]);
+    myinit();
+    glutReshapeFunc(myReshape);
+    glutDisplayFunc(display);
+    glutKeyboardFunc(key);
+    glutMainLoop();
+    return 0;             /* ANSI C requires main to return int. */
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/double.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/double.c
new file mode 100644
index 000000000..3153c70cc
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/double.c
@@ -0,0 +1,146 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ *  double.c
+ *  This is a simple double buffered program.
+ *  Pressing the left mouse button rotates the rectangle.
+ *  Pressing the middle mouse button stops the rotation.
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+
+static GLfloat spin = 0.0;
+static GLdouble t0 = 0.;
+
+void display(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT);
+   glPushMatrix();
+   glRotatef(spin, 0.0, 0.0, 1.0);
+   glColor3f(1.0, 1.0, 1.0);
+   glRectf(-25.0, -25.0, 25.0, 25.0);
+   glPopMatrix();
+
+   glutSwapBuffers();
+}
+
+GLdouble gettime(void)
+{
+    return (GLdouble)(glutGet(GLUT_ELAPSED_TIME)) / 1000.;
+}
+
+void spinDisplay(void)
+{
+   GLdouble t, dt;
+   t = gettime();
+   dt = t - t0;
+   t0 = t;
+   spin = spin + 120.0*dt;
+   if (spin > 360.0)
+      spin = spin - 360.0;
+   glutPostRedisplay();
+}
+
+void init(void)
+{
+   glClearColor (0.0, 0.0, 0.0, 0.0);
+   glShadeModel (GL_FLAT);
+}
+
+void reshape(int w, int h)
+{
+   glViewport (0, 0, (GLsizei) w, (GLsizei) h);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glOrtho(-50.0, 50.0, -50.0, 50.0, -1.0, 1.0);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+}
+
+/* ARGSUSED2 */
+void mouse(int button, int state, int x, int y)
+{
+   switch (button) {
+      case GLUT_LEFT_BUTTON:
+         if (state == GLUT_DOWN)
+         {
+            t0 = gettime();
+            glutIdleFunc(spinDisplay);
+         }
+         break;
+      case GLUT_MIDDLE_BUTTON:
+         if (state == GLUT_DOWN)
+            glutIdleFunc(NULL);
+         break;
+      default:
+         break;
+   }
+}
+
+static void
+key(unsigned char k, int x, int y)
+{
+  switch (k) {
+  case 27:  /* Escape */
+    exit(0);
+    break;
+  default:
+    return;
+  }
+  glutPostRedisplay();
+}
+
+/*
+ *  Request double buffer display mode.
+ *  Register mouse input callback functions
+ */
+int main(int argc, char** argv)
+{
+   glutInit(&argc, argv);
+   glutInitDisplayMode (GLUT_DOUBLE | GLUT_RGB);
+   glutInitWindowSize (250, 250);
+   glutInitWindowPosition (100, 100);
+   glutCreateWindow (argv[0]);
+   init ();
+   glutDisplayFunc(display);
+   glutReshapeFunc(reshape);
+   glutMouseFunc(mouse);
+   glutKeyboardFunc(key);
+   glutMainLoop();
+   return 0;   /* ANSI C requires main to return int. */
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/drawf.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/drawf.c
new file mode 100644
index 000000000..5bcccb6ae
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/drawf.c
@@ -0,0 +1,103 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED 
+ * Permission to use, copy, modify, and distribute this software for 
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that 
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission. 
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ * 
+ * US Government Users Restricted Rights 
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ *  drawf.c
+ *  Draws the bitmapped letter F on the screen (several times).
+ *  This demonstrates use of the glBitmap() call.
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+
+GLubyte rasters[24] = {
+   0xc0, 0x00, 0xc0, 0x00, 0xc0, 0x00, 0xc0, 0x00, 0xc0, 0x00,
+   0xff, 0x00, 0xff, 0x00, 0xc0, 0x00, 0xc0, 0x00, 0xc0, 0x00,
+   0xff, 0xc0, 0xff, 0xc0};
+
+void init(void)
+{
+   glPixelStorei (GL_UNPACK_ALIGNMENT, 1);
+   glClearColor (0.0, 0.0, 0.0, 0.0);
+}
+
+void display(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT);
+   glColor3f (1.0, 1.0, 1.0);
+   glRasterPos2i (20, 20);
+   glBitmap (10, 12, 0.0, 0.0, 11.0, 0.0, rasters);
+   glBitmap (10, 12, 0.0, 0.0, 11.0, 0.0, rasters);
+   glBitmap (10, 12, 0.0, 0.0, 11.0, 0.0, rasters);
+   glFlush();
+}
+
+void reshape(int w, int h)
+{
+   glViewport(0, 0, (GLsizei) w, (GLsizei) h);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glOrtho (0, w, 0, h, -1.0, 1.0);
+   glMatrixMode(GL_MODELVIEW);
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+   switch (key) {
+      case 27:
+         exit(0);
+   }
+}
+
+/*  Main Loop
+ *  Open window with initial window size, title bar, 
+ *  RGBA display mode, and handle input events.
+ */
+int main(int argc, char** argv)
+{
+   glutInit(&argc, argv);
+   glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB);
+   glutInitWindowSize(100, 100);
+   glutInitWindowPosition(100, 100);
+   glutCreateWindow(argv[0]);
+   init();
+   glutReshapeFunc(reshape);
+   glutKeyboardFunc(keyboard);
+   glutDisplayFunc(display);
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/feedback.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/feedback.c
new file mode 100644
index 000000000..cc685d55d
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/feedback.c
@@ -0,0 +1,173 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED 
+ * Permission to use, copy, modify, and distribute this software for 
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that 
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission. 
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ * 
+ * US Government Users Restricted Rights 
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ * feedback.c
+ * This program demonstrates use of OpenGL feedback.  First,
+ * a lighting environment is set up and a few lines are drawn.
+ * Then feedback mode is entered, and the same lines are 
+ * drawn.  The results in the feedback buffer are printed.
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+/*  Initialize lighting.
+ */
+void init(void)
+{
+   glEnable(GL_LIGHTING);
+   glEnable(GL_LIGHT0);
+}
+
+/* Draw a few lines and two points, one of which will 
+ * be clipped.  If in feedback mode, a passthrough token 
+ * is issued between the each primitive.
+ */
+void drawGeometry (GLenum mode)
+{
+   glBegin (GL_LINE_STRIP);
+   glNormal3f (0.0, 0.0, 1.0);
+   glVertex3f (30.0, 30.0, 0.0);
+   glVertex3f (50.0, 60.0, 0.0);
+   glVertex3f (70.0, 40.0, 0.0);
+   glEnd ();
+   if (mode == GL_FEEDBACK)
+      glPassThrough (1.0);
+   glBegin (GL_POINTS);
+   glVertex3f (-100.0, -100.0, -100.0);  /*  will be clipped  */
+   glEnd ();
+   if (mode == GL_FEEDBACK)
+      glPassThrough (2.0);
+   glBegin (GL_POINTS);
+   glNormal3f (0.0, 0.0, 1.0);
+   glVertex3f (50.0, 50.0, 0.0);
+   glEnd ();
+}
+
+/* Write contents of one vertex to stdout.	*/
+void print3DcolorVertex (GLint size, GLint *count, 
+                         GLfloat *buffer)
+{
+   int i;
+
+   printf ("  ");
+   for (i = 0; i < 7; i++) {
+      printf ("%4.2f ", buffer[size-(*count)]);
+      *count = *count - 1;
+   }
+   printf ("\n");
+}
+
+/*  Write contents of entire buffer.  (Parse tokens!)	*/
+void printBuffer(GLint size, GLfloat *buffer)
+{
+   GLint count;
+   GLfloat token;
+
+   count = size;
+   while (count) {
+      token = buffer[size-count]; count--;
+      if (token == GL_PASS_THROUGH_TOKEN) {
+         printf ("GL_PASS_THROUGH_TOKEN\n");
+         printf ("  %4.2f\n", buffer[size-count]);
+         count--;
+      }
+      else if (token == GL_POINT_TOKEN) {
+         printf ("GL_POINT_TOKEN\n");
+         print3DcolorVertex (size, &count, buffer);
+      }
+      else if (token == GL_LINE_TOKEN) {
+         printf ("GL_LINE_TOKEN\n");
+         print3DcolorVertex (size, &count, buffer);
+         print3DcolorVertex (size, &count, buffer);
+      }
+      else if (token == GL_LINE_RESET_TOKEN) {
+         printf ("GL_LINE_RESET_TOKEN\n");
+         print3DcolorVertex (size, &count, buffer);
+         print3DcolorVertex (size, &count, buffer);
+      }
+   }
+}
+
+void display(void)
+{
+   GLfloat feedBuffer[1024];
+   GLint size;
+
+   glMatrixMode (GL_PROJECTION);
+   glLoadIdentity ();
+   glOrtho (0.0, 100.0, 0.0, 100.0, 0.0, 1.0);
+
+   glClearColor (0.0, 0.0, 0.0, 0.0);
+   glClear(GL_COLOR_BUFFER_BIT);
+   drawGeometry (GL_RENDER);
+
+   glFeedbackBuffer (1024, GL_3D_COLOR, feedBuffer);
+   (void) glRenderMode (GL_FEEDBACK);
+   drawGeometry (GL_FEEDBACK);
+
+   size = glRenderMode (GL_RENDER);
+   printBuffer (size, feedBuffer);
+
+   glFinish();
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+}
+
+/*  Main Loop  */
+int main(int argc, char** argv)
+{
+   glutInit(&argc, argv);
+   glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB);
+   glutInitWindowSize (100, 100);
+   glutInitWindowPosition (100, 100);
+   glutCreateWindow(argv[0]);
+   init();
+   glutDisplayFunc(display);
+   glutKeyboardFunc (keyboard);
+   glutMainLoop();
+   return 0; 
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/fog.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/fog.c
new file mode 100644
index 000000000..14c7700ec
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/fog.c
@@ -0,0 +1,200 @@
+
+/* Copyright (c) Mark J. Kilgard, 1994. */
+
+/**
+ * (c) Copyright 1993, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
+ */
+/*
+ *  fog.c
+ *  This program draws 5 red teapots, each at a different
+ *  z distance from the eye, in different types of fog.
+ *  Pressing the left mouse button chooses between 3 types of
+ *  fog:  exponential, exponential squared, and linear.
+ *  In this program, there is a fixed density value, as well
+ *  as fixed start and end values for the linear fog.
+ */
+#include <stdlib.h>
+#include <math.h>
+#include <GL/glut.h>
+
+GLint fogMode;
+
+void
+selectFog(int mode)
+{
+    switch(mode) {
+    case GL_LINEAR:
+        glFogf(GL_FOG_START, 1.0);
+        glFogf(GL_FOG_END, 5.0);
+	/* falls through */
+    case GL_EXP2:
+    case GL_EXP:
+	glFogi(GL_FOG_MODE, mode);
+	glutPostRedisplay();
+	break;
+    case 0:
+	exit(0);
+    }
+}
+
+/*  Initialize z-buffer, projection matrix, light source,
+ *  and lighting model.  Do not specify a material property here.
+ */
+void
+myinit(void)
+{
+    GLfloat position[] =
+    {0.0, 3.0, 3.0, 0.0};
+    GLfloat local_view[] =
+    {0.0};
+
+    glEnable(GL_DEPTH_TEST);
+    glDepthFunc(GL_LESS);
+
+    glLightfv(GL_LIGHT0, GL_POSITION, position);
+    glLightModelfv(GL_LIGHT_MODEL_LOCAL_VIEWER, local_view);
+
+    glFrontFace(GL_CW);
+    glEnable(GL_LIGHTING);
+    glEnable(GL_LIGHT0);
+    glEnable(GL_AUTO_NORMAL);
+    glEnable(GL_NORMALIZE);
+    glEnable(GL_FOG);
+    {
+        GLfloat fogColor[4] =
+        {0.5, 0.5, 0.5, 1.0};
+
+        fogMode = GL_EXP;
+        glFogi(GL_FOG_MODE, fogMode);
+        glFogfv(GL_FOG_COLOR, fogColor);
+        glFogf(GL_FOG_DENSITY, 0.35);
+        glHint(GL_FOG_HINT, GL_DONT_CARE);
+        glClearColor(0.5, 0.5, 0.5, 1.0);
+    }
+}
+
+void
+renderRedTeapot(GLfloat x, GLfloat y, GLfloat z)
+{
+    float mat[4];
+
+    glPushMatrix();
+    glTranslatef(x, y, z);
+    mat[0] = 0.1745;
+    mat[1] = 0.01175;
+    mat[2] = 0.01175;
+    mat[3] = 1.0;
+    glMaterialfv(GL_FRONT, GL_AMBIENT, mat);
+    mat[0] = 0.61424;
+    mat[1] = 0.04136;
+    mat[2] = 0.04136;
+    glMaterialfv(GL_FRONT, GL_DIFFUSE, mat);
+    mat[0] = 0.727811;
+    mat[1] = 0.626959;
+    mat[2] = 0.626959;
+    glMaterialfv(GL_FRONT, GL_SPECULAR, mat);
+    glMaterialf(GL_FRONT, GL_SHININESS, 0.6 * 128.0);
+    glutSolidTeapot(1.0);
+    glPopMatrix();
+}
+
+/*  display() draws 5 teapots at different z positions.
+ */
+void
+display(void)
+{
+    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+    renderRedTeapot(-4.0, -0.5, -1.0);
+    renderRedTeapot(-2.0, -0.5, -2.0);
+    renderRedTeapot(0.0, -0.5, -3.0);
+    renderRedTeapot(2.0, -0.5, -4.0);
+    renderRedTeapot(4.0, -0.5, -5.0);
+    glFlush();
+}
+
+void
+myReshape(int w, int h)
+{
+    glViewport(0, 0, w, h);
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    if (w <= (h * 3))
+        glOrtho(-6.0, 6.0, -2.0 * ((GLfloat) h * 3) / (GLfloat) w,
+            2.0 * ((GLfloat) h * 3) / (GLfloat) w, 0.0, 10.0);
+    else
+        glOrtho(-6.0 * (GLfloat) w / ((GLfloat) h * 3),
+            6.0 * (GLfloat) w / ((GLfloat) h * 3), -2.0, 2.0, 0.0, 10.0);
+    glMatrixMode(GL_MODELVIEW);
+    glLoadIdentity();
+}
+
+static void
+key(unsigned char k, int x, int y)
+{
+  switch (k) {
+  case 27:  /* Escape */
+    exit(0);
+    break;
+  default:
+    return;
+  }
+  glutPostRedisplay();
+}
+
+/*  Main Loop
+ *  Open window with initial window size, title bar,
+ *  RGBA display mode, depth buffer, and handle input events.
+ */
+int
+main(int argc, char **argv)
+{
+    glutInit(&argc, argv);
+    glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
+    glutInitWindowSize(450, 150);
+    glutCreateWindow(argv[0]);
+    myinit();
+    glutReshapeFunc(myReshape);
+    glutDisplayFunc(display);
+    glutCreateMenu(selectFog);
+    glutAddMenuEntry("Fog EXP", GL_EXP);
+    glutAddMenuEntry("Fog EXP2", GL_EXP2);
+    glutAddMenuEntry("Fog LINEAR", GL_LINEAR);
+    glutAddMenuEntry("Quit", 0);
+    glutAttachMenu(GLUT_RIGHT_BUTTON);
+    glutKeyboardFunc(key);
+    glutMainLoop();
+    return 0;             /* ANSI C requires main to return int. */
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/fogindex.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/fogindex.c
new file mode 100644
index 000000000..b8bb691e2
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/fogindex.c
@@ -0,0 +1,152 @@
+
+/* Copyright (c) Mark J. Kilgard, 1994. */
+
+/*
+ * (c) Copyright 1993, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
+ */
+/*
+ *  fogindex.c
+ *  This program demonstrates fog in color index mode.
+ *  Three cones are drawn at different z values in a linear
+ *  fog.  32 contiguous colors (from 16 to 47) are loaded
+ *  with a color ramp.
+ */
+#include <stdlib.h>
+#include <GL/glut.h>
+
+/*  Initialize color map and fog.  Set screen clear color
+ *  to end of color ramp.
+ */
+#define NUM_COLORS 32
+#define RAMPSTART 16
+
+void
+myinit(void)
+{
+  int i;
+
+  glEnable(GL_DEPTH_TEST);
+  glDepthFunc(GL_LESS);
+  for (i = 0; i < NUM_COLORS; i++) {
+    GLfloat shade;
+    shade = (GLfloat) (NUM_COLORS - i) / (GLfloat) NUM_COLORS;
+    glutSetColor(16 + i, shade, shade, shade);
+  }
+  glEnable(GL_FOG);
+
+  glFogi(GL_FOG_MODE, GL_LINEAR);
+  glFogi(GL_FOG_INDEX, NUM_COLORS);
+  glFogf(GL_FOG_START, 0.0);
+  glFogf(GL_FOG_END, 4.0);
+  glHint(GL_FOG_HINT, GL_NICEST);
+  glClearIndex((GLfloat) (NUM_COLORS + RAMPSTART - 1));
+}
+
+/*  display() renders 3 cones at different z positions.
+ */
+void
+display(void)
+{
+  glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+  glPushMatrix();
+  glTranslatef(-1.0, -1.0, -1.0);
+  glRotatef(-90.0, 1.0, 0.0, 0.0);
+  glIndexi(RAMPSTART);
+  glutSolidCone(1.0, 2.0, 10, 10);
+  glPopMatrix();
+
+  glPushMatrix();
+  glTranslatef(0.0, -1.0, -2.25);
+  glRotatef(-90.0, 1.0, 0.0, 0.0);
+  glIndexi(RAMPSTART);
+  glutSolidCone(1.0, 2.0, 10, 10);
+  glPopMatrix();
+
+  glPushMatrix();
+  glTranslatef(1.0, -1.0, -3.5);
+  glRotatef(-90.0, 1.0, 0.0, 0.0);
+  glIndexi(RAMPSTART);
+  glutSolidCone(1.0, 2.0, 10, 10);
+  glPopMatrix();
+  glFlush();
+}
+
+void
+myReshape(int w, int h)
+{
+  glViewport(0, 0, w, h);
+  glMatrixMode(GL_PROJECTION);
+  glLoadIdentity();
+  if (w <= h)
+    glOrtho(-2.0, 2.0, -2.0 * (GLfloat) h / (GLfloat) w,
+      2.0 * (GLfloat) h / (GLfloat) w, 0.0, 10.0);
+  else
+    glOrtho(-2.0 * (GLfloat) w / (GLfloat) h,
+      2.0 * (GLfloat) w / (GLfloat) h, -2.0, 2.0, 0.0, 10.0);
+  glMatrixMode(GL_MODELVIEW);
+  glLoadIdentity();
+}
+
+static void
+key(unsigned char k, int x, int y)
+{
+  switch (k) {
+  case 27:  /* Escape */
+    exit(0);
+    break;
+  default:
+    return;
+  }
+  glutPostRedisplay();
+}
+
+/*  Main Loop
+ *  Open window with initial window size, title bar,
+ *  RGBA display mode, depth buffer, and handle input events.
+ */
+int
+main(int argc, char **argv)
+{
+  glutInit(&argc, argv);
+  glutInitDisplayMode(GLUT_SINGLE | GLUT_INDEX | GLUT_DEPTH);
+  glutCreateWindow(argv[0]);
+  myinit();
+  glutReshapeFunc(myReshape);
+  glutDisplayFunc(display);
+  glutKeyboardFunc(key);
+  glutMainLoop();
+  return 0;             /* ANSI C requires main to return int. */
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/font.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/font.c
new file mode 100644
index 000000000..2d92e9b60
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/font.c
@@ -0,0 +1,167 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED 
+ * Permission to use, copy, modify, and distribute this software for 
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that 
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission. 
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ * 
+ * US Government Users Restricted Rights 
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ *  font.c
+ *
+ *  Draws some text in a bitmapped font.  Uses glBitmap() 
+ *  and other pixel routines.  Also demonstrates use of 
+ *  display lists.
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+#include <string.h>
+
+GLubyte space[] = 
+{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
+
+GLubyte letters[][13] = {
+{0x00, 0x00, 0xc3, 0xc3, 0xc3, 0xc3, 0xff, 0xc3, 0xc3, 0xc3, 0x66, 0x3c, 0x18}, 
+{0x00, 0x00, 0xfe, 0xc7, 0xc3, 0xc3, 0xc7, 0xfe, 0xc7, 0xc3, 0xc3, 0xc7, 0xfe}, 
+{0x00, 0x00, 0x7e, 0xe7, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xe7, 0x7e}, 
+{0x00, 0x00, 0xfc, 0xce, 0xc7, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0xc7, 0xce, 0xfc}, 
+{0x00, 0x00, 0xff, 0xc0, 0xc0, 0xc0, 0xc0, 0xfc, 0xc0, 0xc0, 0xc0, 0xc0, 0xff}, 
+{0x00, 0x00, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xfc, 0xc0, 0xc0, 0xc0, 0xff}, 
+{0x00, 0x00, 0x7e, 0xe7, 0xc3, 0xc3, 0xcf, 0xc0, 0xc0, 0xc0, 0xc0, 0xe7, 0x7e}, 
+{0x00, 0x00, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0xff, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3}, 
+{0x00, 0x00, 0x7e, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x7e}, 
+{0x00, 0x00, 0x7c, 0xee, 0xc6, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06}, 
+{0x00, 0x00, 0xc3, 0xc6, 0xcc, 0xd8, 0xf0, 0xe0, 0xf0, 0xd8, 0xcc, 0xc6, 0xc3}, 
+{0x00, 0x00, 0xff, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0}, 
+{0x00, 0x00, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0xdb, 0xff, 0xff, 0xe7, 0xc3}, 
+{0x00, 0x00, 0xc7, 0xc7, 0xcf, 0xcf, 0xdf, 0xdb, 0xfb, 0xf3, 0xf3, 0xe3, 0xe3}, 
+{0x00, 0x00, 0x7e, 0xe7, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0xe7, 0x7e}, 
+{0x00, 0x00, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xfe, 0xc7, 0xc3, 0xc3, 0xc7, 0xfe}, 
+{0x00, 0x00, 0x3f, 0x6e, 0xdf, 0xdb, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0x66, 0x3c}, 
+{0x00, 0x00, 0xc3, 0xc6, 0xcc, 0xd8, 0xf0, 0xfe, 0xc7, 0xc3, 0xc3, 0xc7, 0xfe}, 
+{0x00, 0x00, 0x7e, 0xe7, 0x03, 0x03, 0x07, 0x7e, 0xe0, 0xc0, 0xc0, 0xe7, 0x7e}, 
+{0x00, 0x00, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0xff}, 
+{0x00, 0x00, 0x7e, 0xe7, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3}, 
+{0x00, 0x00, 0x18, 0x3c, 0x3c, 0x66, 0x66, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3}, 
+{0x00, 0x00, 0xc3, 0xe7, 0xff, 0xff, 0xdb, 0xdb, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3}, 
+{0x00, 0x00, 0xc3, 0x66, 0x66, 0x3c, 0x3c, 0x18, 0x3c, 0x3c, 0x66, 0x66, 0xc3}, 
+{0x00, 0x00, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x3c, 0x3c, 0x66, 0x66, 0xc3}, 
+{0x00, 0x00, 0xff, 0xc0, 0xc0, 0x60, 0x30, 0x7e, 0x0c, 0x06, 0x03, 0x03, 0xff}
+};
+
+GLuint fontOffset;
+
+void makeRasterFont(void)
+{
+   GLuint i, j;
+   glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+
+   fontOffset = glGenLists (128);
+   for (i = 0,j = 'A'; i < 26; i++,j++) {
+      glNewList(fontOffset + j, GL_COMPILE);
+      glBitmap(8, 13, 0.0, 2.0, 10.0, 0.0, letters[i]);
+      glEndList();
+   }
+   glNewList(fontOffset + ' ', GL_COMPILE);
+   glBitmap(8, 13, 0.0, 2.0, 10.0, 0.0, space);
+   glEndList();
+}
+
+void init(void)
+{
+   glShadeModel (GL_FLAT);
+   makeRasterFont();
+}
+
+void printString(char *s)
+{
+   glPushAttrib (GL_LIST_BIT);
+   glListBase(fontOffset);
+   glCallLists((GLsizei) strlen(s), GL_UNSIGNED_BYTE, (GLubyte *) s);
+   glPopAttrib ();
+}
+
+/* Everything above this line could be in a library 
+ * that defines a font.  To make it work, you've got 
+ * to call makeRasterFont() before you start making 
+ * calls to printString().
+ */
+void display(void)
+{
+   GLfloat white[3] = { 1.0, 1.0, 1.0 };
+
+   glClear(GL_COLOR_BUFFER_BIT);
+   glColor3fv(white);
+
+   glRasterPos2i(20, 60);
+   printString("THE QUICK BROWN FOX JUMPS");
+   glRasterPos2i(20, 40);
+   printString("OVER A LAZY DOG");
+   glFlush ();
+}
+
+void reshape(int w, int h)
+{
+   glViewport(0, 0, (GLsizei) w, (GLsizei) h);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glOrtho (0.0, w, 0.0, h, -1.0, 1.0);
+   glMatrixMode(GL_MODELVIEW);
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+   switch (key) {
+      case 27:
+         exit(0);
+   }
+}
+
+/*  Main Loop
+ *  Open window with initial window size, title bar, 
+ *  RGBA display mode, and handle input events.
+ */
+int main(int argc, char** argv)
+{
+   glutInit(&argc, argv);
+   glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB);
+   glutInitWindowSize(300, 100);
+   glutInitWindowPosition (100, 100);
+   glutCreateWindow(argv[0]);
+   init();
+   glutReshapeFunc(reshape);
+   glutKeyboardFunc(keyboard);
+   glutDisplayFunc(display);
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/hello.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/hello.c
new file mode 100644
index 000000000..fb3dae132
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/hello.c
@@ -0,0 +1,110 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ * hello.c
+ * This is a simple, introductory OpenGL program.
+ */
+#include <stdlib.h>
+#include <GL/glut.h>
+
+void display(void)
+{
+/* clear all pixels  */
+   glClear (GL_COLOR_BUFFER_BIT);
+
+/* draw white polygon (rectangle) with corners at
+ * (0.25, 0.25, 0.0) and (0.75, 0.75, 0.0)
+ */
+   glColor3f (1.0, 1.0, 1.0);
+   glBegin(GL_POLYGON);
+      glVertex3f (0.25, 0.25, 0.0);
+      glVertex3f (0.75, 0.25, 0.0);
+      glVertex3f (0.75, 0.75, 0.0);
+      glVertex3f (0.25, 0.75, 0.0);
+   glEnd();
+
+/* don't wait!
+ * start processing buffered OpenGL routines
+ */
+   glFlush ();
+}
+
+void init (void)
+{
+/* select clearing color 	*/
+   glClearColor (0.0, 0.0, 0.0, 0.0);
+
+/* initialize viewing values  */
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glOrtho(0.0, 1.0, 0.0, 1.0, -1.0, 1.0);
+}
+
+static void
+key(unsigned char k, int x, int y)
+{
+  switch (k) {
+  case 27:  /* Escape */
+    exit(0);
+    break;
+  default:
+    return;
+  }
+  glutPostRedisplay();
+}
+
+/*
+ * Declare initial window size, position, and display mode
+ * (single buffer and RGBA).  Open window with "hello"
+ * in its title bar.  Call initialization routines.
+ * Register callback function to display graphics.
+ * Enter main loop and process events.
+ */
+int main(int argc, char** argv)
+{
+   glutInit(&argc, argv);
+   glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB);
+   glutInitWindowSize (250, 250);
+   glutInitWindowPosition (100, 100);
+   glutCreateWindow ("hello");
+   init ();
+   glutDisplayFunc(display);
+   glutKeyboardFunc(key);
+   glutMainLoop();
+   return 0;   /* ANSI C requires main to return int. */
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/image.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/image.c
new file mode 100644
index 000000000..dc1a7246e
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/image.c
@@ -0,0 +1,159 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED 
+ * Permission to use, copy, modify, and distribute this software for 
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that 
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission. 
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ * 
+ * US Government Users Restricted Rights 
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*  image.c
+ *  This program demonstrates drawing pixels and shows the effect
+ *  of glDrawPixels(), glCopyPixels(), and glPixelZoom().
+ *  Interaction: moving the mouse while pressing the mouse button
+ *  will copy the image in the lower-left corner of the window
+ *  to the mouse position, using the current pixel zoom factors.
+ *  There is no attempt to prevent you from drawing over the original
+ *  image.  If you press the 'r' key, the original image and zoom
+ *  factors are reset.  If you press the 'z' or 'Z' keys, you change
+ *  the zoom factors.
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+/*	Create checkerboard image	*/
+#define	checkImageWidth 64
+#define	checkImageHeight 64
+GLubyte checkImage[checkImageHeight][checkImageWidth][3];
+
+static GLdouble zoomFactor = 1.0;
+static GLint height;
+
+void makeCheckImage(void)
+{
+   int i, j, c;
+    
+   for (i = 0; i < checkImageHeight; i++) {
+      for (j = 0; j < checkImageWidth; j++) {
+         c = (((i&0x8)==0)^((j&0x8)==0))*255;
+         checkImage[i][j][0] = (GLubyte) c;
+         checkImage[i][j][1] = (GLubyte) c;
+         checkImage[i][j][2] = (GLubyte) c;
+      }
+   }
+}
+
+void init(void)
+{    
+   glClearColor (0.0, 0.0, 0.0, 0.0);
+   glShadeModel(GL_FLAT);
+   makeCheckImage();
+   glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+}
+
+void display(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT);
+   glRasterPos2i(0, 0);
+   glDrawPixels(checkImageWidth, checkImageHeight, GL_RGB, 
+                GL_UNSIGNED_BYTE, checkImage);
+   glFlush();
+}
+
+void reshape(int w, int h)
+{
+   glViewport(0, 0, (GLsizei) w, (GLsizei) h);
+   height = (GLint) h;
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   gluOrtho2D(0.0, (GLdouble) w, 0.0, (GLdouble) h);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+}
+
+void motion(int x, int y)
+{
+   static GLint screeny;
+   
+   screeny = height - (GLint) y;
+   glRasterPos2i (x, screeny);
+   glPixelZoom (zoomFactor, zoomFactor);
+   glCopyPixels (0, 0, checkImageWidth, checkImageHeight, GL_COLOR);
+   glPixelZoom (1.0, 1.0);
+   glFlush ();
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+   switch (key) {
+      case 'r':
+      case 'R':
+         zoomFactor = 1.0;
+         glutPostRedisplay();
+         printf ("zoomFactor reset to 1.0\n");
+         break;
+      case 'z':
+         zoomFactor += 0.5;
+         if (zoomFactor >= 3.0) 
+            zoomFactor = 3.0;
+         printf ("zoomFactor is now %4.1f\n", zoomFactor);
+         break;
+      case 'Z':
+         zoomFactor -= 0.5;
+         if (zoomFactor <= 0.5) 
+            zoomFactor = 0.5;
+         printf ("zoomFactor is now %4.1f\n", zoomFactor);
+         break;
+      case 27:
+         exit(0);
+         break;
+      default:
+         break;
+   }
+}
+
+int main(int argc, char** argv)
+{
+   glutInit(&argc, argv);
+   glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB);
+   glutInitWindowSize(250, 250);
+   glutInitWindowPosition(100, 100);
+   glutCreateWindow(argv[0]);
+   init();
+   glutDisplayFunc(display);
+   glutReshapeFunc(reshape);
+   glutKeyboardFunc(keyboard);
+   glutMotionFunc(motion);
+   glutMainLoop();
+   return 0; 
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/jitter.h b/nx-X11/extras/Mesa_6.4.2/progs/redbook/jitter.h
new file mode 100644
index 000000000..1ec08c87f
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/jitter.h
@@ -0,0 +1,222 @@
+/*
+ * (c) Copyright 1993, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED 
+ * Permission to use, copy, modify, and distribute this software for 
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that 
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission. 
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ * 
+ * US Government Users Restricted Rights 
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
+ */
+/*
+jitter.h
+
+This file contains jitter point arrays for 2,3,4,8,15,24 and 66 jitters.
+
+The arrays are named j2, j3, etc. Each element in the array has the form,
+for example, j8[0].x and j8[0].y
+
+Values are floating point in the range -.5 < x < .5, -.5 < y < .5, and
+have a gaussian distribution around the origin.
+
+Use these to do model jittering for scene anti-aliasing and view volume
+jittering for depth of field effects. Use in conjunction with the 
+accwindow() routine.
+*/
+
+typedef struct 
+{
+	GLfloat x, y;
+} jitter_point;
+
+#define MAX_SAMPLES  66
+
+
+/* 2 jitter points */
+jitter_point j2[] =
+{
+	{ 0.246490,  0.249999},
+	{-0.246490, -0.249999}
+};
+
+
+/* 3 jitter points */
+jitter_point j3[] =
+{
+	{-0.373411, -0.250550},
+	{ 0.256263,  0.368119},
+	{ 0.117148, -0.117570}
+};
+
+
+/* 4 jitter points */
+jitter_point j4[] =
+{
+	{-0.208147,  0.353730},
+	{ 0.203849, -0.353780},
+	{-0.292626, -0.149945},
+	{ 0.296924,  0.149994}
+};
+
+
+/* 8 jitter points */
+jitter_point j8[] =
+{
+	{-0.334818,  0.435331},
+	{ 0.286438, -0.393495},
+	{ 0.459462,  0.141540},
+	{-0.414498, -0.192829},
+	{-0.183790,  0.082102},
+	{-0.079263, -0.317383},
+	{ 0.102254,  0.299133},
+	{ 0.164216, -0.054399}
+};
+
+
+/* 15 jitter points */
+jitter_point j15[] =
+{
+	{ 0.285561,  0.188437},
+	{ 0.360176, -0.065688},
+	{-0.111751,  0.275019},
+	{-0.055918, -0.215197},
+	{-0.080231, -0.470965},
+	{ 0.138721,  0.409168},
+	{ 0.384120,  0.458500},
+	{-0.454968,  0.134088},
+	{ 0.179271, -0.331196},
+	{-0.307049, -0.364927},
+	{ 0.105354, -0.010099},
+	{-0.154180,  0.021794},
+	{-0.370135, -0.116425},
+	{ 0.451636, -0.300013},
+	{-0.370610,  0.387504}
+};
+
+
+/* 24 jitter points */
+jitter_point j24[] =
+{
+	{ 0.030245,  0.136384},
+	{ 0.018865, -0.348867},
+	{-0.350114, -0.472309},
+	{ 0.222181,  0.149524},
+	{-0.393670, -0.266873},
+	{ 0.404568,  0.230436},
+	{ 0.098381,  0.465337},
+	{ 0.462671,  0.442116},
+	{ 0.400373, -0.212720},
+	{-0.409988,  0.263345},
+	{-0.115878, -0.001981},
+	{ 0.348425, -0.009237},
+	{-0.464016,  0.066467},
+	{-0.138674, -0.468006},
+	{ 0.144932, -0.022780},
+	{-0.250195,  0.150161},
+	{-0.181400, -0.264219},
+	{ 0.196097, -0.234139},
+	{-0.311082, -0.078815},
+	{ 0.268379,  0.366778},
+	{-0.040601,  0.327109},
+	{-0.234392,  0.354659},
+	{-0.003102, -0.154402},
+	{ 0.297997, -0.417965}
+};
+
+
+/* 66 jitter points */
+jitter_point j66[] =
+{
+	{ 0.266377, -0.218171},
+	{-0.170919, -0.429368},
+	{ 0.047356, -0.387135},
+	{-0.430063,  0.363413},
+	{-0.221638, -0.313768},
+	{ 0.124758, -0.197109},
+	{-0.400021,  0.482195},
+	{ 0.247882,  0.152010},
+	{-0.286709, -0.470214},
+	{-0.426790,  0.004977},
+	{-0.361249, -0.104549},
+	{-0.040643,  0.123453},
+	{-0.189296,  0.438963},
+	{-0.453521, -0.299889},
+	{ 0.408216, -0.457699},
+	{ 0.328973, -0.101914},
+	{-0.055540, -0.477952},
+	{ 0.194421,  0.453510},
+	{ 0.404051,  0.224974},
+	{ 0.310136,  0.419700},
+	{-0.021743,  0.403898},
+	{-0.466210,  0.248839},
+	{ 0.341369,  0.081490},
+	{ 0.124156, -0.016859},
+	{-0.461321, -0.176661},
+	{ 0.013210,  0.234401},
+	{ 0.174258, -0.311854},
+	{ 0.294061,  0.263364},
+	{-0.114836,  0.328189},
+	{ 0.041206, -0.106205},
+	{ 0.079227,  0.345021},
+	{-0.109319, -0.242380},
+	{ 0.425005, -0.332397},
+	{ 0.009146,  0.015098},
+	{-0.339084, -0.355707},
+	{-0.224596, -0.189548},
+	{ 0.083475,  0.117028},
+	{ 0.295962, -0.334699},
+	{ 0.452998,  0.025397},
+	{ 0.206511, -0.104668},
+	{ 0.447544, -0.096004},
+	{-0.108006, -0.002471},
+	{-0.380810,  0.130036},
+	{-0.242440,  0.186934},
+	{-0.200363,  0.070863},
+	{-0.344844, -0.230814},
+	{ 0.408660,  0.345826},
+	{-0.233016,  0.305203},
+	{ 0.158475, -0.430762},
+	{ 0.486972,  0.139163},
+	{-0.301610,  0.009319},
+	{ 0.282245, -0.458671},
+	{ 0.482046,  0.443890},
+	{-0.121527,  0.210223},
+	{-0.477606, -0.424878},
+	{-0.083941, -0.121440},
+	{-0.345773,  0.253779},
+	{ 0.234646,  0.034549},
+	{ 0.394102, -0.210901},
+	{-0.312571,  0.397656},
+	{ 0.200906,  0.333293},
+	{ 0.018703, -0.261792},
+	{-0.209349, -0.065383},
+	{ 0.076248,  0.478538},
+	{-0.073036, -0.355064},
+	{ 0.145087,  0.221726}
+};
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/light.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/light.c
new file mode 100644
index 000000000..0eed85e10
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/light.c
@@ -0,0 +1,113 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED 
+ * Permission to use, copy, modify, and distribute this software for 
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that 
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission. 
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ * 
+ * US Government Users Restricted Rights 
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ *  light.c
+ *  This program demonstrates the use of the OpenGL lighting
+ *  model.  A sphere is drawn using a grey material characteristic.
+ *  A single light source illuminates the object.
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+
+/*  Initialize material property, light source, lighting model,
+ *  and depth buffer.
+ */
+void init(void) 
+{
+   GLfloat mat_specular[] = { 1.0, 1.0, 1.0, 1.0 };
+   GLfloat mat_shininess[] = { 50.0 };
+   GLfloat light_position[] = { 1.0, 1.0, 1.0, 0.0 };
+
+   glClearColor (0.0, 0.0, 0.0, 0.0);
+   glShadeModel (GL_SMOOTH);
+
+   glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
+   glMaterialfv(GL_FRONT, GL_SHININESS, mat_shininess);
+   glLightfv(GL_LIGHT0, GL_POSITION, light_position);
+
+   glEnable(GL_LIGHTING);
+   glEnable(GL_LIGHT0);
+   glEnable(GL_DEPTH_TEST);
+}
+
+void display(void)
+{
+   glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+   glutSolidSphere (1.0, 20, 16);
+   glFlush ();
+}
+
+void reshape (int w, int h)
+{
+   glViewport (0, 0, (GLsizei) w, (GLsizei) h);
+   glMatrixMode (GL_PROJECTION);
+   glLoadIdentity();
+   if (w <= h)
+      glOrtho (-1.5, 1.5, -1.5*(GLfloat)h/(GLfloat)w,
+         1.5*(GLfloat)h/(GLfloat)w, -10.0, 10.0);
+   else
+      glOrtho (-1.5*(GLfloat)w/(GLfloat)h,
+         1.5*(GLfloat)w/(GLfloat)h, -1.5, 1.5, -10.0, 10.0);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+}
+
+int main(int argc, char** argv)
+{
+   glutInit(&argc, argv);
+   glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
+   glutInitWindowSize (500, 500); 
+   glutInitWindowPosition (100, 100);
+   glutCreateWindow (argv[0]);
+   init ();
+   glutDisplayFunc(display); 
+   glutReshapeFunc(reshape);
+   glutKeyboardFunc(keyboard);
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/lines.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/lines.c
new file mode 100644
index 000000000..b34d4c418
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/lines.c
@@ -0,0 +1,138 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED 
+ * Permission to use, copy, modify, and distribute this software for 
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that 
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission. 
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ * 
+ * US Government Users Restricted Rights 
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ *  lines.c
+ *  This program demonstrates geometric primitives and
+ *  their attributes.
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+
+#define drawOneLine(x1,y1,x2,y2)  glBegin(GL_LINES);  \
+   glVertex2f ((x1),(y1)); glVertex2f ((x2),(y2)); glEnd();
+
+void init(void) 
+{
+   glClearColor (0.0, 0.0, 0.0, 0.0);
+   glShadeModel (GL_FLAT);
+}
+
+void display(void)
+{
+   int i;
+
+   glClear (GL_COLOR_BUFFER_BIT);
+
+/* select white for all lines  */
+   glColor3f (1.0, 1.0, 1.0);
+
+/* in 1st row, 3 lines, each with a different stipple  */
+   glEnable (GL_LINE_STIPPLE);
+   
+   glLineStipple (1, 0x0101);  /*  dotted  */
+   drawOneLine (50.0, 125.0, 150.0, 125.0);
+   glLineStipple (1, 0x00FF);  /*  dashed  */
+   drawOneLine (150.0, 125.0, 250.0, 125.0);
+   glLineStipple (1, 0x1C47);  /*  dash/dot/dash  */
+   drawOneLine (250.0, 125.0, 350.0, 125.0);
+
+/* in 2nd row, 3 wide lines, each with different stipple */
+   glLineWidth (5.0);
+   glLineStipple (1, 0x0101);  /*  dotted  */
+   drawOneLine (50.0, 100.0, 150.0, 100.0);
+   glLineStipple (1, 0x00FF);  /*  dashed  */
+   drawOneLine (150.0, 100.0, 250.0, 100.0);
+   glLineStipple (1, 0x1C47);  /*  dash/dot/dash  */
+   drawOneLine (250.0, 100.0, 350.0, 100.0);
+   glLineWidth (1.0);
+
+/* in 3rd row, 6 lines, with dash/dot/dash stipple  */
+/* as part of a single connected line strip         */
+   glLineStipple (1, 0x1C47);  /*  dash/dot/dash  */
+   glBegin (GL_LINE_STRIP);
+   for (i = 0; i < 7; i++)
+      glVertex2f (50.0 + ((GLfloat) i * 50.0), 75.0);
+   glEnd ();
+
+/* in 4th row, 6 independent lines with same stipple  */
+   for (i = 0; i < 6; i++) {
+      drawOneLine (50.0 + ((GLfloat) i * 50.0), 50.0,
+         50.0 + ((GLfloat)(i+1) * 50.0), 50.0);
+   }
+
+/* in 5th row, 1 line, with dash/dot/dash stipple    */
+/* and a stipple repeat factor of 5                  */
+   glLineStipple (5, 0x1C47);  /*  dash/dot/dash  */
+   drawOneLine (50.0, 25.0, 350.0, 25.0);
+
+   glDisable (GL_LINE_STIPPLE);
+   glFlush ();
+}
+
+void reshape (int w, int h)
+{
+   glViewport (0, 0, (GLsizei) w, (GLsizei) h);
+   glMatrixMode (GL_PROJECTION);
+   glLoadIdentity ();
+   gluOrtho2D (0.0, (GLdouble) w, 0.0, (GLdouble) h);
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+}
+
+int main(int argc, char** argv)
+{
+   glutInit(&argc, argv);
+   glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB);
+   glutInitWindowSize (400, 150); 
+   glutInitWindowPosition (100, 100);
+   glutCreateWindow (argv[0]);
+   init ();
+   glutDisplayFunc(display); 
+   glutReshapeFunc(reshape);
+   glutKeyboardFunc(keyboard);
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/list.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/list.c
new file mode 100644
index 000000000..3b4f44bd6
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/list.c
@@ -0,0 +1,125 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED 
+ * Permission to use, copy, modify, and distribute this software for 
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that 
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission. 
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ * 
+ * US Government Users Restricted Rights 
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ *  list.c
+ *  This program demonstrates how to make and execute a 
+ *  display list.  Note that attributes, such as current 
+ *  color and matrix, are changed.
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+
+GLuint listName;
+
+static void init (void)
+{
+   listName = glGenLists (1);
+   glNewList (listName, GL_COMPILE);
+      glColor3f (1.0, 0.0, 0.0);  /*  current color red  */
+      glBegin (GL_TRIANGLES);
+      glVertex2f (0.0, 0.0);
+      glVertex2f (1.0, 0.0);
+      glVertex2f (0.0, 1.0);
+      glEnd ();
+      glTranslatef (1.5, 0.0, 0.0); /*  move position  */
+   glEndList ();
+   glShadeModel (GL_FLAT);
+}
+
+static void drawLine (void)
+{
+   glBegin (GL_LINES);
+   glVertex2f (0.0, 0.5);
+   glVertex2f (15.0, 0.5);
+   glEnd ();
+}
+
+void display(void)
+{
+   GLuint i;
+
+   glClear (GL_COLOR_BUFFER_BIT);
+   glColor3f (0.0, 1.0, 0.0);  /*  current color green  */
+   for (i = 0; i < 10; i++)    /*  draw 10 triangles    */
+      glCallList (listName);
+   drawLine ();  /*  is this line green?  NO!  */
+                 /*  where is the line drawn?  */
+   glFlush ();
+}
+
+void reshape(int w, int h)
+{
+   glViewport(0, 0, w, h);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   if (w <= h) 
+      gluOrtho2D (0.0, 2.0, -0.5 * (GLfloat) h/(GLfloat) w, 
+         1.5 * (GLfloat) h/(GLfloat) w);
+   else 
+      gluOrtho2D (0.0, 2.0 * (GLfloat) w/(GLfloat) h, -0.5, 1.5); 
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+}
+
+/*  Main Loop
+ *  Open window with initial window size, title bar, 
+ *  RGBA display mode, and handle input events.
+ */
+int main(int argc, char** argv)
+{
+   glutInit(&argc, argv);
+   glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB);
+   glutInitWindowSize(650, 50);
+   glutCreateWindow(argv[0]);
+   init ();
+   glutReshapeFunc (reshape);
+   glutDisplayFunc (display);
+   glutKeyboardFunc (keyboard);
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/material.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/material.c
new file mode 100644
index 000000000..f9a4fc592
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/material.c
@@ -0,0 +1,306 @@
+
+/* Copyright (c) Mark J. Kilgard, 1994. */
+
+/*
+ * (c) Copyright 1993, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
+ */
+/*
+ * material.c
+ * This program demonstrates the use of the GL lighting model.
+ * Several objects are drawn using different material characteristics.
+ * A single light source illuminates the objects.
+ */
+#include <stdlib.h>
+#include <GL/glut.h>
+
+/*  Initialize z-buffer, projection matrix, light source,
+ *  and lighting model.  Do not specify a material property here.
+ */
+void myinit(void)
+{
+    GLfloat ambient[] = { 0.0, 0.0, 0.0, 1.0 };
+    GLfloat diffuse[] = { 1.0, 1.0, 1.0, 1.0 };
+    GLfloat position[] = { 0.0, 3.0, 2.0, 0.0 };
+    GLfloat lmodel_ambient[] = { 0.4, 0.4, 0.4, 1.0 };
+    GLfloat local_view[] = { 0.0 };
+
+    glEnable(GL_DEPTH_TEST);
+    glDepthFunc(GL_LESS);
+
+    glLightfv(GL_LIGHT0, GL_AMBIENT, ambient);
+    glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse);
+    glLightfv(GL_LIGHT0, GL_POSITION, position);
+    glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
+    glLightModelfv(GL_LIGHT_MODEL_LOCAL_VIEWER, local_view);
+
+    glEnable(GL_LIGHTING);
+    glEnable(GL_LIGHT0);
+
+    glClearColor(0.0, 0.1, 0.1, 0.0);
+}
+
+/*  Draw twelve spheres in 3 rows with 4 columns.
+ *  The spheres in the first row have materials with no ambient reflection.
+ *  The second row has materials with significant ambient reflection.
+ *  The third row has materials with colored ambient reflection.
+ *
+ *  The first column has materials with blue, diffuse reflection only.
+ *  The second column has blue diffuse reflection, as well as specular
+ *  reflection with a low shininess exponent.
+ *  The third column has blue diffuse reflection, as well as specular
+ *  reflection with a high shininess exponent (a more concentrated highlight).
+ *  The fourth column has materials which also include an emissive component.
+ *
+ *  glTranslatef() is used to move spheres to their appropriate locations.
+ */
+
+void display(void)
+{
+    GLfloat no_mat[] = { 0.0, 0.0, 0.0, 1.0 };
+    GLfloat mat_ambient[] = { 0.7, 0.7, 0.7, 1.0 };
+    GLfloat mat_ambient_color[] = { 0.8, 0.8, 0.2, 1.0 };
+    GLfloat mat_diffuse[] = { 0.1, 0.5, 0.8, 1.0 };
+    GLfloat mat_specular[] = { 1.0, 1.0, 1.0, 1.0 };
+    GLfloat no_shininess[] = { 0.0 };
+    GLfloat low_shininess[] = { 5.0 };
+    GLfloat high_shininess[] = { 100.0 };
+    GLfloat mat_emission[] = {0.3, 0.2, 0.2, 0.0};
+
+    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+/*  draw sphere in first row, first column
+ *  diffuse reflection only; no ambient or specular
+ */
+    glPushMatrix();
+    glTranslatef (-3.75, 3.0, 0.0);
+    glMaterialfv(GL_FRONT, GL_AMBIENT, no_mat);
+    glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);
+    glMaterialfv(GL_FRONT, GL_SPECULAR, no_mat);
+    glMaterialfv(GL_FRONT, GL_SHININESS, no_shininess);
+    glMaterialfv(GL_FRONT, GL_EMISSION, no_mat);
+    glutSolidSphere(1.0, 16, 16);
+    glPopMatrix();
+
+/*  draw sphere in first row, second column
+ *  diffuse and specular reflection; low shininess; no ambient
+ */
+    glPushMatrix();
+    glTranslatef (-1.25, 3.0, 0.0);
+    glMaterialfv(GL_FRONT, GL_AMBIENT, no_mat);
+    glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);
+    glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
+    glMaterialfv(GL_FRONT, GL_SHININESS, low_shininess);
+    glMaterialfv(GL_FRONT, GL_EMISSION, no_mat);
+    glutSolidSphere(1.0, 16, 16);
+    glPopMatrix();
+
+/*  draw sphere in first row, third column
+ *  diffuse and specular reflection; high shininess; no ambient
+ */
+    glPushMatrix();
+    glTranslatef (1.25, 3.0, 0.0);
+    glMaterialfv(GL_FRONT, GL_AMBIENT, no_mat);
+    glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);
+    glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
+    glMaterialfv(GL_FRONT, GL_SHININESS, high_shininess);
+    glMaterialfv(GL_FRONT, GL_EMISSION, no_mat);
+    glutSolidSphere(1.0, 16, 16);
+    glPopMatrix();
+
+/*  draw sphere in first row, fourth column
+ *  diffuse reflection; emission; no ambient or specular reflection
+ */
+    glPushMatrix();
+    glTranslatef (3.75, 3.0, 0.0);
+    glMaterialfv(GL_FRONT, GL_AMBIENT, no_mat);
+    glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);
+    glMaterialfv(GL_FRONT, GL_SPECULAR, no_mat);
+    glMaterialfv(GL_FRONT, GL_SHININESS, no_shininess);
+    glMaterialfv(GL_FRONT, GL_EMISSION, mat_emission);
+    glutSolidSphere(1.0, 16, 16);
+    glPopMatrix();
+
+/*  draw sphere in second row, first column
+ *  ambient and diffuse reflection; no specular
+ */
+    glPushMatrix();
+    glTranslatef (-3.75, 0.0, 0.0);
+    glMaterialfv(GL_FRONT, GL_AMBIENT, mat_ambient);
+    glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);
+    glMaterialfv(GL_FRONT, GL_SPECULAR, no_mat);
+    glMaterialfv(GL_FRONT, GL_SHININESS, no_shininess);
+    glMaterialfv(GL_FRONT, GL_EMISSION, no_mat);
+    glutSolidSphere(1.0, 16, 16);
+    glPopMatrix();
+
+/*  draw sphere in second row, second column
+ *  ambient, diffuse and specular reflection; low shininess
+ */
+    glPushMatrix();
+    glTranslatef (-1.25, 0.0, 0.0);
+    glMaterialfv(GL_FRONT, GL_AMBIENT, mat_ambient);
+    glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);
+    glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
+    glMaterialfv(GL_FRONT, GL_SHININESS, low_shininess);
+    glMaterialfv(GL_FRONT, GL_EMISSION, no_mat);
+    glutSolidSphere(1.0, 16, 16);
+    glPopMatrix();
+
+/*  draw sphere in second row, third column
+ *  ambient, diffuse and specular reflection; high shininess
+ */
+    glPushMatrix();
+    glTranslatef (1.25, 0.0, 0.0);
+    glMaterialfv(GL_FRONT, GL_AMBIENT, mat_ambient);
+    glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);
+    glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
+    glMaterialfv(GL_FRONT, GL_SHININESS, high_shininess);
+    glMaterialfv(GL_FRONT, GL_EMISSION, no_mat);
+    glutSolidSphere(1.0, 16, 16);
+    glPopMatrix();
+
+/*  draw sphere in second row, fourth column
+ *  ambient and diffuse reflection; emission; no specular
+ */
+    glPushMatrix();
+    glTranslatef (3.75, 0.0, 0.0);
+    glMaterialfv(GL_FRONT, GL_AMBIENT, mat_ambient);
+    glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);
+    glMaterialfv(GL_FRONT, GL_SPECULAR, no_mat);
+    glMaterialfv(GL_FRONT, GL_SHININESS, no_shininess);
+    glMaterialfv(GL_FRONT, GL_EMISSION, mat_emission);
+    glutSolidSphere(1.0, 16, 16);
+    glPopMatrix();
+
+/*  draw sphere in third row, first column
+ *  colored ambient and diffuse reflection; no specular
+ */
+    glPushMatrix();
+    glTranslatef (-3.75, -3.0, 0.0);
+    glMaterialfv(GL_FRONT, GL_AMBIENT, mat_ambient_color);
+    glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);
+    glMaterialfv(GL_FRONT, GL_SPECULAR, no_mat);
+    glMaterialfv(GL_FRONT, GL_SHININESS, no_shininess);
+    glMaterialfv(GL_FRONT, GL_EMISSION, no_mat);
+    glutSolidSphere(1.0, 16, 16);
+    glPopMatrix();
+
+/*  draw sphere in third row, second column
+ *  colored ambient, diffuse and specular reflection; low shininess
+ */
+    glPushMatrix();
+    glTranslatef (-1.25, -3.0, 0.0);
+    glMaterialfv(GL_FRONT, GL_AMBIENT, mat_ambient_color);
+    glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);
+    glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
+    glMaterialfv(GL_FRONT, GL_SHININESS, low_shininess);
+    glMaterialfv(GL_FRONT, GL_EMISSION, no_mat);
+    glutSolidSphere(1.0, 16, 16);
+    glPopMatrix();
+
+/*  draw sphere in third row, third column
+ *  colored ambient, diffuse and specular reflection; high shininess
+ */
+    glPushMatrix();
+    glTranslatef (1.25, -3.0, 0.0);
+    glMaterialfv(GL_FRONT, GL_AMBIENT, mat_ambient_color);
+    glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);
+    glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
+    glMaterialfv(GL_FRONT, GL_SHININESS, high_shininess);
+    glMaterialfv(GL_FRONT, GL_EMISSION, no_mat);
+    glutSolidSphere(1.0, 16, 16);
+    glPopMatrix();
+
+/*  draw sphere in third row, fourth column
+ *  colored ambient and diffuse reflection; emission; no specular
+ */
+    glPushMatrix();
+    glTranslatef (3.75, -3.0, 0.0);
+    glMaterialfv(GL_FRONT, GL_AMBIENT, mat_ambient_color);
+    glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);
+    glMaterialfv(GL_FRONT, GL_SPECULAR, no_mat);
+    glMaterialfv(GL_FRONT, GL_SHININESS, no_shininess);
+    glMaterialfv(GL_FRONT, GL_EMISSION, mat_emission);
+    glutSolidSphere(1.0, 16, 16);
+    glPopMatrix();
+
+    glFlush();
+}
+
+void myReshape(int w, int h)
+{
+    glViewport(0, 0, w, h);
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    if (w <= (h * 2))
+	glOrtho (-6.0, 6.0, -3.0*((GLfloat)h*2)/(GLfloat)w,
+	    3.0*((GLfloat)h*2)/(GLfloat)w, -10.0, 10.0);
+    else
+	glOrtho (-6.0*(GLfloat)w/((GLfloat)h*2),
+	    6.0*(GLfloat)w/((GLfloat)h*2), -3.0, 3.0, -10.0, 10.0);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void
+key(unsigned char k, int x, int y)
+{
+  switch (k) {
+  case 27:  /* Escape */
+    exit(0);
+    break;
+  default:
+    return;
+  }
+  glutPostRedisplay();
+}
+
+/*  Main Loop
+ *  Open window with initial window size, title bar,
+ *  RGBA display mode, and handle input events.
+ */
+int main(int argc, char** argv)
+{
+    glutInit(&argc, argv);
+    glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
+    glutInitWindowSize (600, 450);
+    glutCreateWindow(argv[0]);
+    myinit();
+    glutReshapeFunc(myReshape);
+    glutDisplayFunc(display);
+    glutKeyboardFunc(key);
+    glutMainLoop();
+    return 0;             /* ANSI C requires main to return int. */
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/mipmap.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/mipmap.c
new file mode 100644
index 000000000..d32dd725f
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/mipmap.c
@@ -0,0 +1,178 @@
+
+/* Copyright (c) Mark J. Kilgard, 1994. */
+
+/*
+ * (c) Copyright 1993, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
+ */
+/*  mipmap.c
+ *  This program demonstrates using mipmaps for texture maps.
+ *  To overtly show the effect of mipmaps, each mipmap reduction
+ *  level has a solidly colored, contrasting texture image.
+ *  Thus, the quadrilateral which is drawn is drawn with several
+ *  different colors.
+ */
+#include <stdlib.h>
+#include <GL/glut.h>
+
+GLubyte mipmapImage32[32][32][3];
+GLubyte mipmapImage16[16][16][3];
+GLubyte mipmapImage8[8][8][3];
+GLubyte mipmapImage4[4][4][3];
+GLubyte mipmapImage2[2][2][3];
+GLubyte mipmapImage1[1][1][3];
+
+void makeImages(void)
+{
+    int i, j;
+
+    for (i = 0; i < 32; i++) {
+	for (j = 0; j < 32; j++) {
+	    mipmapImage32[i][j][0] = 255;
+	    mipmapImage32[i][j][1] = 255;
+	    mipmapImage32[i][j][2] = 0;
+	}
+    }
+    for (i = 0; i < 16; i++) {
+	for (j = 0; j < 16; j++) {
+	    mipmapImage16[i][j][0] = 255;
+	    mipmapImage16[i][j][1] = 0;
+	    mipmapImage16[i][j][2] = 255;
+	}
+    }
+    for (i = 0; i < 8; i++) {
+	for (j = 0; j < 8; j++) {
+	    mipmapImage8[i][j][0] = 255;
+	    mipmapImage8[i][j][1] = 0;
+	    mipmapImage8[i][j][2] = 0;
+	}
+    }
+    for (i = 0; i < 4; i++) {
+	for (j = 0; j < 4; j++) {
+	    mipmapImage4[i][j][0] = 0;
+	    mipmapImage4[i][j][1] = 255;
+	    mipmapImage4[i][j][2] = 0;
+	}
+    }
+    for (i = 0; i < 2; i++) {
+	for (j = 0; j < 2; j++) {
+	    mipmapImage2[i][j][0] = 0;
+	    mipmapImage2[i][j][1] = 0;
+	    mipmapImage2[i][j][2] = 255;
+	}
+    }
+    mipmapImage1[0][0][0] = 255;
+    mipmapImage1[0][0][1] = 255;
+    mipmapImage1[0][0][2] = 255;
+}
+
+void myinit(void)
+{
+    glEnable(GL_DEPTH_TEST);
+    glDepthFunc(GL_LESS);
+    glShadeModel(GL_FLAT);
+
+    glTranslatef(0.0, 0.0, -3.6);
+    makeImages();
+    glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+    glTexImage2D(GL_TEXTURE_2D, 0, 3, 32, 32, 0,
+		 GL_RGB, GL_UNSIGNED_BYTE, &mipmapImage32[0][0][0]);
+    glTexImage2D(GL_TEXTURE_2D, 1, 3, 16, 16, 0,
+		 GL_RGB, GL_UNSIGNED_BYTE, &mipmapImage16[0][0][0]);
+    glTexImage2D(GL_TEXTURE_2D, 2, 3, 8, 8, 0,
+		 GL_RGB, GL_UNSIGNED_BYTE, &mipmapImage8[0][0][0]);
+    glTexImage2D(GL_TEXTURE_2D, 3, 3, 4, 4, 0,
+		 GL_RGB, GL_UNSIGNED_BYTE, &mipmapImage4[0][0][0]);
+    glTexImage2D(GL_TEXTURE_2D, 4, 3, 2, 2, 0,
+		 GL_RGB, GL_UNSIGNED_BYTE, &mipmapImage2[0][0][0]);
+    glTexImage2D(GL_TEXTURE_2D, 5, 3, 1, 1, 0,
+		 GL_RGB, GL_UNSIGNED_BYTE, &mipmapImage1[0][0][0]);
+    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
+	GL_NEAREST_MIPMAP_NEAREST);
+    glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
+    glEnable(GL_TEXTURE_2D);
+}
+
+void display(void)
+{
+    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+    glBegin(GL_QUADS);
+    glTexCoord2f(0.0, 0.0); glVertex3f(-2.0, -1.0, 0.0);
+    glTexCoord2f(0.0, 8.0); glVertex3f(-2.0, 1.0, 0.0);
+    glTexCoord2f(8.0, 8.0); glVertex3f(2000.0, 1.0, -6000.0);
+    glTexCoord2f(8.0, 0.0); glVertex3f(2000.0, -1.0, -6000.0);
+    glEnd();
+    glFlush();
+}
+
+void myReshape(int w, int h)
+{
+    glViewport(0, 0, w, h);
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    gluPerspective(60.0, 1.0*(GLfloat)w/(GLfloat)h, 1.0, 30000.0);
+    glMatrixMode(GL_MODELVIEW);
+    glLoadIdentity();
+}
+
+static void
+key(unsigned char k, int x, int y)
+{
+  switch (k) {
+  case 27:  /* Escape */
+    exit(0);
+    break;
+  default:
+    return;
+  }
+  glutPostRedisplay();
+}
+
+int main(int argc, char** argv)
+{
+    glutInit(&argc, argv);
+    glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
+    glutInitWindowSize (500, 500);
+    glutCreateWindow (argv[0]);
+    myinit();
+    glutReshapeFunc (myReshape);
+    glutDisplayFunc(display);
+    glutKeyboardFunc(key);
+    glutMainLoop();
+    return 0;             /* ANSI C requires main to return int. */
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/model.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/model.c
new file mode 100644
index 000000000..8411ef355
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/model.c
@@ -0,0 +1,126 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED 
+ * Permission to use, copy, modify, and distribute this software for 
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that 
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission. 
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ * 
+ * US Government Users Restricted Rights 
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ *  model.c
+ *  This program demonstrates modeling transformations
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+
+void init(void) 
+{
+   glClearColor (0.0, 0.0, 0.0, 0.0);
+   glShadeModel (GL_FLAT);
+}
+
+void draw_triangle(void)
+{
+   glBegin (GL_LINE_LOOP);
+   glVertex2f(0.0, 25.0);
+   glVertex2f(25.0, -25.0);
+   glVertex2f(-25.0, -25.0);
+   glEnd();
+}
+
+void display(void)
+{
+   glClear (GL_COLOR_BUFFER_BIT);
+   glColor3f (1.0, 1.0, 1.0);
+
+   glLoadIdentity ();
+   glColor3f (1.0, 1.0, 1.0);
+   draw_triangle ();
+
+   glEnable (GL_LINE_STIPPLE);
+   glLineStipple (1, 0xF0F0);
+   glLoadIdentity ();
+   glTranslatef (-20.0, 0.0, 0.0);
+   draw_triangle ();
+
+   glLineStipple (1, 0xF00F);
+   glLoadIdentity ();
+   glScalef (1.5, 0.5, 1.0);
+   draw_triangle ();
+
+   glLineStipple (1, 0x8888);
+   glLoadIdentity ();
+   glRotatef (90.0, 0.0, 0.0, 1.0);
+   draw_triangle ();
+   glDisable (GL_LINE_STIPPLE);
+
+   glFlush ();
+}
+
+void reshape (int w, int h)
+{
+   glViewport (0, 0, (GLsizei) w, (GLsizei) h);
+   glMatrixMode (GL_PROJECTION);
+   glLoadIdentity ();
+   if (w <= h)
+      glOrtho (-50.0, 50.0, -50.0*(GLfloat)h/(GLfloat)w,
+         50.0*(GLfloat)h/(GLfloat)w, -1.0, 1.0);
+   else
+      glOrtho (-50.0*(GLfloat)w/(GLfloat)h,
+         50.0*(GLfloat)w/(GLfloat)h, -50.0, 50.0, -1.0, 1.0);
+   glMatrixMode(GL_MODELVIEW);
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+}
+
+int main(int argc, char** argv)
+{
+   glutInit(&argc, argv);
+   glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB);
+   glutInitWindowSize (500, 500); 
+   glutInitWindowPosition (100, 100);
+   glutCreateWindow (argv[0]);
+   init ();
+   glutDisplayFunc(display); 
+   glutReshapeFunc(reshape);
+   glutKeyboardFunc (keyboard);
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/movelight.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/movelight.c
new file mode 100644
index 000000000..a108cad43
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/movelight.c
@@ -0,0 +1,148 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED 
+ * Permission to use, copy, modify, and distribute this software for 
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that 
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission. 
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ * 
+ * US Government Users Restricted Rights 
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ *  movelight.c
+ *  This program demonstrates when to issue lighting and
+ *  transformation commands to render a model with a light
+ *  which is moved by a modeling transformation (rotate or
+ *  translate).  The light position is reset after the modeling
+ *  transformation is called.  The eye position does not change.
+ *
+ *  A sphere is drawn using a grey material characteristic.
+ *  A single light source illuminates the object.
+ *
+ *  Interaction:  pressing the left mouse button alters
+ *  the modeling transformation (x rotation) by 30 degrees.
+ *  The scene is then redrawn with the light in a new position.
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+
+static int spin = 0;
+
+/*  Initialize material property, light source, lighting model,
+ *  and depth buffer.
+ */
+void init(void) 
+{
+   glClearColor (0.0, 0.0, 0.0, 0.0);
+   glShadeModel (GL_SMOOTH);
+   glEnable(GL_LIGHTING);
+   glEnable(GL_LIGHT0);
+   glEnable(GL_DEPTH_TEST);
+}
+
+/*  Here is where the light position is reset after the modeling
+ *  transformation (glRotated) is called.  This places the
+ *  light at a new position in world coordinates.  The cube
+ *  represents the position of the light.
+ */
+void display(void)
+{
+   GLfloat position[] = { 0.0, 0.0, 1.5, 1.0 };
+
+   glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+   glPushMatrix ();
+   gluLookAt (0.0, 0.0, 5.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0);
+
+   glPushMatrix ();
+   glRotated ((GLdouble) spin, 1.0, 0.0, 0.0);
+   glLightfv (GL_LIGHT0, GL_POSITION, position);
+
+   glTranslated (0.0, 0.0, 1.5);
+   glDisable (GL_LIGHTING);
+   glColor3f (0.0, 1.0, 1.0);
+   glutWireCube (0.1);
+   glEnable (GL_LIGHTING);
+   glPopMatrix ();
+
+   glutSolidTorus (0.275, 0.85, 8, 15);
+   glPopMatrix ();
+   glFlush ();
+}
+
+void reshape (int w, int h)
+{
+   glViewport (0, 0, (GLsizei) w, (GLsizei) h);
+   glMatrixMode (GL_PROJECTION);
+   glLoadIdentity();
+   gluPerspective(40.0, (GLfloat) w/(GLfloat) h, 1.0, 20.0);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+}
+
+/* ARGSUSED2 */
+void mouse(int button, int state, int x, int y)
+{
+   switch (button) {
+      case GLUT_LEFT_BUTTON:
+         if (state == GLUT_DOWN) {
+            spin = (spin + 30) % 360;
+            glutPostRedisplay();
+         }
+         break;
+      default:
+         break;
+   }
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+}
+
+int main(int argc, char** argv)
+{
+   glutInit(&argc, argv);
+   glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
+   glutInitWindowSize (500, 500); 
+   glutInitWindowPosition (100, 100);
+   glutCreateWindow (argv[0]);
+   init ();
+   glutDisplayFunc(display); 
+   glutReshapeFunc(reshape);
+   glutMouseFunc(mouse);
+   glutKeyboardFunc(keyboard);
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/nurbs.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/nurbs.c
new file mode 100644
index 000000000..a7c6f0c69
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/nurbs.c
@@ -0,0 +1,190 @@
+
+/* Copyright (c) Mark J. Kilgard, 1994. */
+
+/*
+ * (c) Copyright 1993, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
+ */
+/*
+ *  nurbs.c
+ *  This program shows a NURBS (Non-uniform rational B-splines)
+ *  surface, shaped like a heart.
+ */
+#include <stdlib.h>
+#include <GL/glut.h>
+
+#define S_NUMPOINTS 13
+#define S_ORDER     3
+#define S_NUMKNOTS  (S_NUMPOINTS + S_ORDER)
+#define T_NUMPOINTS 3
+#define T_ORDER     3
+#define T_NUMKNOTS  (T_NUMPOINTS + T_ORDER)
+#define SQRT2    1.41421356237309504880
+
+/* initialized local data */
+
+GLfloat sknots[S_NUMKNOTS] =
+    {-1.0, -1.0, -1.0, 0.0, 1.0, 2.0, 3.0, 4.0,
+      4.0,  5.0,  6.0, 7.0, 8.0, 9.0, 9.0, 9.0};
+GLfloat tknots[T_NUMKNOTS] = {1.0, 1.0, 1.0, 2.0, 2.0, 2.0};
+
+GLfloat ctlpoints[S_NUMPOINTS][T_NUMPOINTS][4] = {
+{   {4.,2.,2.,1.},{4.,1.6,2.5,1.},{4.,2.,3.0,1.}    },
+{   {5.,4.,2.,1.},{5.,4.,2.5,1.},{5.,4.,3.0,1.} },
+{   {6.,5.,2.,1.},{6.,5.,2.5,1.},{6.,5.,3.0,1.} },
+{   {SQRT2*6.,SQRT2*6.,SQRT2*2.,SQRT2},
+    {SQRT2*6.,SQRT2*6.,SQRT2*2.5,SQRT2},
+    {SQRT2*6.,SQRT2*6.,SQRT2*3.0,SQRT2}  },
+{   {5.2,6.7,2.,1.},{5.2,6.7,2.5,1.},{5.2,6.7,3.0,1.}   },
+{   {SQRT2*4.,SQRT2*6.,SQRT2*2.,SQRT2},
+    {SQRT2*4.,SQRT2*6.,SQRT2*2.5,SQRT2},
+    {SQRT2*4.,SQRT2*6.,SQRT2*3.0,SQRT2}  },
+{   {4.,5.2,2.,1.},{4.,4.6,2.5,1.},{4.,5.2,3.0,1.}  },
+{   {SQRT2*4.,SQRT2*6.,SQRT2*2.,SQRT2},
+    {SQRT2*4.,SQRT2*6.,SQRT2*2.5,SQRT2},
+    {SQRT2*4.,SQRT2*6.,SQRT2*3.0,SQRT2}  },
+{   {2.8,6.7,2.,1.},{2.8,6.7,2.5,1.},{2.8,6.7,3.0,1.}   },
+{   {SQRT2*2.,SQRT2*6.,SQRT2*2.,SQRT2},
+    {SQRT2*2.,SQRT2*6.,SQRT2*2.5,SQRT2},
+    {SQRT2*2.,SQRT2*6.,SQRT2*3.0,SQRT2}  },
+{   {2.,5.,2.,1.},{2.,5.,2.5,1.},{2.,5.,3.0,1.} },
+{   {3.,4.,2.,1.},{3.,4.,2.5,1.},{3.,4.,3.0,1.} },
+{   {4.,2.,2.,1.},{4.,1.6,2.5,1.},{4.,2.,3.0,1.}    }
+};
+
+GLUnurbsObj *theNurb;
+
+/*  Initialize material property, light source, lighting model,
+ *  and depth buffer.
+ */
+void myinit(void)
+{
+    GLfloat mat_ambient[] = { 1.0, 1.0, 1.0, 1.0 };
+    GLfloat mat_diffuse[] = { 1.0, 0.2, 1.0, 1.0 };
+    GLfloat mat_specular[] = { 1.0, 1.0, 1.0, 1.0 };
+    GLfloat mat_shininess[] = { 50.0 };
+
+    GLfloat light0_position[] = { 1.0, 0.1, 1.0, 0.0 };
+    GLfloat light1_position[] = { -1.0, 0.1, 1.0, 0.0 };
+
+    GLfloat lmodel_ambient[] = { 0.3, 0.3, 0.3, 1.0 };
+
+    glMaterialfv(GL_FRONT, GL_AMBIENT, mat_ambient);
+    glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);
+    glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
+    glMaterialfv(GL_FRONT, GL_SHININESS, mat_shininess);
+    glLightfv(GL_LIGHT0, GL_POSITION, light0_position);
+    glLightfv(GL_LIGHT1, GL_POSITION, light1_position);
+    glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
+
+    glEnable(GL_LIGHTING);
+    glEnable(GL_LIGHT0);
+    glEnable(GL_LIGHT1);
+    glDepthFunc(GL_LESS);
+    glEnable(GL_DEPTH_TEST);
+    glEnable(GL_AUTO_NORMAL);
+
+    theNurb = gluNewNurbsRenderer();
+
+    gluNurbsProperty(theNurb, GLU_SAMPLING_TOLERANCE, 25.0);
+    gluNurbsProperty(theNurb, GLU_DISPLAY_MODE, GLU_FILL);
+}
+
+void display(void)
+{
+    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+    glPushMatrix();
+    glTranslatef (4., 4.5, 2.5);
+    glRotatef (220.0, 1., 0., 0.);
+    glRotatef (115.0, 0., 1., 0.);
+    glTranslatef (-4., -4.5, -2.5);
+
+    gluBeginSurface(theNurb);
+    gluNurbsSurface(theNurb,
+	    S_NUMKNOTS, sknots,
+	    T_NUMKNOTS, tknots,
+	    4 * T_NUMPOINTS,
+	    4,
+	    &ctlpoints[0][0][0],
+	    S_ORDER, T_ORDER,
+	    GL_MAP2_VERTEX_4);
+    gluEndSurface(theNurb);
+
+    glPopMatrix();
+    glFlush();
+}
+
+void myReshape(int w, int h)
+{
+    glViewport(0, 0, w, h);
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glFrustum(-1.0, 1.0, -1.5, 0.5, 0.8, 10.0);
+
+    glMatrixMode(GL_MODELVIEW);
+    glLoadIdentity();
+    gluLookAt(7.0,4.5,4.0, 4.5,4.5,2.0, 6.0,-3.0,2.0);
+}
+
+static void
+key(unsigned char k, int x, int y)
+{
+  switch (k) {
+  case 27:  /* Escape */
+    exit(0);
+    break;
+  default:
+    return;
+  }
+  glutPostRedisplay();
+}
+
+/*  Main Loop
+ *  Open window with initial window size, title bar,
+ *  RGBA display mode, and handle input events.
+ */
+int main(int argc, char** argv)
+{
+    glutInit(&argc, argv);
+    glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
+    glutCreateWindow (argv[0]);
+    myinit();
+    glutReshapeFunc (myReshape);
+    glutDisplayFunc(display);
+    glutKeyboardFunc(key);
+    glutMainLoop();
+    return 0;             /* ANSI C requires main to return int. */
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/pickdepth.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/pickdepth.c
new file mode 100644
index 000000000..ad5bdc819
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/pickdepth.c
@@ -0,0 +1,217 @@
+
+/* Copyright (c) Mark J. Kilgard, 1994. */
+
+/*
+ * (c) Copyright 1993, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
+ */
+/*
+ *  pickdepth.c
+ *  Picking is demonstrated in this program.  In
+ *  rendering mode, three overlapping rectangles are
+ *  drawn.  When the left mouse button is pressed,
+ *  selection mode is entered with the picking matrix.
+ *  Rectangles which are drawn under the cursor position
+ *  are "picked."  Pay special attention to the depth
+ *  value range, which is returned.
+ */
+#include <stdlib.h>
+#include <stdio.h>
+#include <GL/glut.h>
+
+void
+myinit(void)
+{
+  glClearColor(0.0, 0.0, 0.0, 0.0);
+  glDepthFunc(GL_LESS);
+  glEnable(GL_DEPTH_TEST);
+  glShadeModel(GL_FLAT);
+  glDepthRange(0.0, 1.0);  /* The default z mapping */
+}
+
+/*  The three rectangles are drawn.  In selection mode,
+ *  each rectangle is given the same name.  Note that
+ *  each rectangle is drawn with a different z value.
+ */
+void
+drawRects(GLenum mode)
+{
+  if (mode == GL_SELECT)
+    glLoadName(1);
+  glBegin(GL_QUADS);
+  glColor3f(1.0, 1.0, 0.0);
+  glVertex3i(2, 0, 0);
+  glVertex3i(2, 6, 0);
+  glVertex3i(6, 6, 0);
+  glVertex3i(6, 0, 0);
+  glEnd();
+  if (mode == GL_SELECT)
+    glLoadName(2);
+  glBegin(GL_QUADS);
+  glColor3f(0.0, 1.0, 1.0);
+  glVertex3i(3, 2, -1);
+  glVertex3i(3, 8, -1);
+  glVertex3i(8, 8, -1);
+  glVertex3i(8, 2, -1);
+  glEnd();
+  if (mode == GL_SELECT)
+    glLoadName(3);
+  glBegin(GL_QUADS);
+  glColor3f(1.0, 0.0, 1.0);
+  glVertex3i(0, 2, -2);
+  glVertex3i(0, 7, -2);
+  glVertex3i(5, 7, -2);
+  glVertex3i(5, 2, -2);
+  glEnd();
+}
+
+/*  processHits() prints out the contents of the
+ *  selection array.
+ */
+void
+processHits(GLint hits, GLuint buffer[])
+{
+  GLint i;
+  GLuint j, names, *ptr;
+
+  printf("hits = %d\n", hits);
+  ptr = (GLuint *) buffer;
+  for (i = 0; i < hits; i++) {  /* for each hit  */
+    names = *ptr;
+    printf(" number of names for hit = %d\n", names);
+    ptr++;
+    printf("  z1 is %g;", (float) *ptr/0xffffffff);
+    ptr++;
+    printf(" z2 is %g\n", (float) *ptr/0xffffffff);
+    ptr++;
+    printf("   the name is ");
+    for (j = 0; j < names; j++) {  /* for each name */
+      printf("%d ", *ptr);
+      ptr++;
+    }
+    printf("\n");
+  }
+}
+
+/*  pickRects() sets up selection mode, name stack,
+ *  and projection matrix for picking.  Then the objects
+ *  are drawn.
+ */
+#define BUFSIZE 512
+
+void
+pickRects(int button, int state, int x, int y)
+{
+  GLuint selectBuf[BUFSIZE];
+  GLint hits;
+  GLint viewport[4];
+
+  if (button != GLUT_LEFT_BUTTON || state != GLUT_DOWN)
+    return;
+
+  glGetIntegerv(GL_VIEWPORT, viewport);
+
+  glSelectBuffer(BUFSIZE, selectBuf);
+  (void) glRenderMode(GL_SELECT);
+
+  glInitNames();
+  glPushName(-1);
+
+  glMatrixMode(GL_PROJECTION);
+  glPushMatrix();
+  glLoadIdentity();
+/*  create 5x5 pixel picking region near cursor location */
+  gluPickMatrix((GLdouble) x, (GLdouble) (viewport[3] - y),
+    5.0, 5.0, viewport);
+  glOrtho(0.0, 8.0, 0.0, 8.0, -0.5, 2.5);
+  drawRects(GL_SELECT);
+  glPopMatrix();
+  glFlush();
+
+  hits = glRenderMode(GL_RENDER);
+  processHits(hits, selectBuf);
+}
+
+void
+display(void)
+{
+  glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+  drawRects(GL_RENDER);
+  glutSwapBuffers();
+}
+
+void
+myReshape(int w, int h)
+{
+  glViewport(0, 0, w, h);
+  glMatrixMode(GL_PROJECTION);
+  glLoadIdentity();
+  glOrtho(0.0, 8.0, 0.0, 8.0, -0.5, 2.5);
+  glMatrixMode(GL_MODELVIEW);
+  glLoadIdentity();
+}
+
+static void
+key(unsigned char k, int x, int y)
+{
+  switch (k) {
+  case 27:  /* Escape */
+    exit(0);
+    break;
+  default:
+    return;
+  }
+  glutPostRedisplay();
+}
+
+/*  Main Loop
+ *  Open window with initial window size, title bar,
+ *  RGBA display mode, depth buffer, and handle input events.
+ */
+int
+main(int argc, char **argv)
+{
+  glutInitWindowSize(200, 200);
+  glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH);
+  glutInit(&argc, argv);
+  glutCreateWindow(argv[0]);
+  myinit();
+  glutMouseFunc(pickRects);
+  glutReshapeFunc(myReshape);
+  glutDisplayFunc(display);
+  glutKeyboardFunc(key);
+  glutMainLoop();
+  return 0;             /* ANSI C requires main to return int. */
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/picksquare.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/picksquare.c
new file mode 100644
index 000000000..636edc97b
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/picksquare.c
@@ -0,0 +1,197 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED 
+ * Permission to use, copy, modify, and distribute this software for 
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that 
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission. 
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ * 
+ * US Government Users Restricted Rights 
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ * picksquare.c
+ * Use of multiple names and picking are demonstrated.  
+ * A 3x3 grid of squares is drawn.  When the left mouse 
+ * button is pressed, all squares under the cursor position 
+ * have their color changed.
+ */
+#include <stdlib.h>
+#include <stdio.h>
+#include <GL/glut.h>
+
+int board[3][3];   /*  amount of color for each square	*/
+
+/*  Clear color value for every square on the board   */
+void init(void)
+{
+   int i, j;
+   for (i = 0; i < 3; i++) 
+      for (j = 0; j < 3; j ++)
+         board[i][j] = 0;
+   glClearColor (0.0, 0.0, 0.0, 0.0);
+}
+
+/*  The nine squares are drawn.  In selection mode, each 
+ *  square is given two names:  one for the row and the 
+ *  other for the column on the grid.  The color of each 
+ *  square is determined by its position on the grid, and 
+ *  the value in the board[][] array.
+ */
+void drawSquares(GLenum mode)
+{
+   GLuint i, j;
+   for (i = 0; i < 3; i++) {
+      if (mode == GL_SELECT)
+         glLoadName (i);
+      for (j = 0; j < 3; j ++) {
+         if (mode == GL_SELECT)
+            glPushName (j);
+         glColor3f ((GLfloat) i/3.0, (GLfloat) j/3.0, 
+                    (GLfloat) board[i][j]/3.0);
+         glRecti (i, j, i+1, j+1);
+         if (mode == GL_SELECT)
+            glPopName ();
+      }
+   }
+}
+
+/*  processHits prints out the contents of the 
+ *  selection array.
+ */
+void processHits (GLint hits, GLuint buffer[])
+{
+   GLint i;
+   GLuint j, ii = 0, jj = 0, names, *ptr;
+
+   printf ("hits = %d\n", hits);
+   ptr = (GLuint *) buffer;
+   for (i = 0; i < hits; i++) {	/*  for each hit  */
+      names = *ptr;
+      printf (" number of names for this hit = %d\n", names); ptr++;
+      printf("  z1 is %g;", (float) *ptr/0x7fffffff); ptr++;
+      printf(" z2 is %g\n", (float) *ptr/0x7fffffff); ptr++;
+      printf ("   names are ");
+      for (j = 0; j < names; j++) { /*  for each name */
+         printf ("%d ", *ptr);
+         if (j == 0)  /*  set row and column  */
+            ii = *ptr;
+         else if (j == 1)
+            jj = *ptr;
+         ptr++;
+      }
+      printf ("\n");
+      board[ii][jj] = (board[ii][jj] + 1) % 3;
+   }
+}
+
+/*  pickSquares() sets up selection mode, name stack, 
+ *  and projection matrix for picking.  Then the 
+ *  objects are drawn.
+ */
+#define BUFSIZE 512
+
+void pickSquares(int button, int state, int x, int y)
+{
+   GLuint selectBuf[BUFSIZE];
+   GLint hits;
+   GLint viewport[4];
+
+   if (button != GLUT_LEFT_BUTTON || state != GLUT_DOWN)
+      return;
+
+   glGetIntegerv (GL_VIEWPORT, viewport);
+
+   glSelectBuffer (BUFSIZE, selectBuf);
+   (void) glRenderMode (GL_SELECT);
+
+   glInitNames();
+   glPushName(0);
+
+   glMatrixMode (GL_PROJECTION);
+   glPushMatrix ();
+   glLoadIdentity ();
+/*  create 5x5 pixel picking region near cursor location	*/
+   gluPickMatrix ((GLdouble) x, (GLdouble) (viewport[3] - y), 
+                  5.0, 5.0, viewport);
+   gluOrtho2D (0.0, 3.0, 0.0, 3.0);
+   drawSquares (GL_SELECT);
+
+   glMatrixMode (GL_PROJECTION);
+   glPopMatrix ();
+   glFlush ();
+
+   hits = glRenderMode (GL_RENDER);
+   processHits (hits, selectBuf);
+   glutPostRedisplay();
+} 
+
+void display(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT);
+   drawSquares (GL_RENDER);
+   glFlush();
+}
+
+void reshape(int w, int h)
+{
+   glViewport(0, 0, w, h);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   gluOrtho2D (0.0, 3.0, 0.0, 3.0);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+}
+
+/* Main Loop */
+int main(int argc, char** argv)
+{
+   glutInit(&argc, argv);
+   glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB);
+   glutInitWindowSize (100, 100);
+   glutInitWindowPosition (100, 100);
+   glutCreateWindow (argv[0]);
+   init ();
+   glutReshapeFunc (reshape);
+   glutDisplayFunc(display); 
+   glutMouseFunc (pickSquares);
+   glutKeyboardFunc (keyboard);
+   glutMainLoop();
+   return 0; 
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/plane.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/plane.c
new file mode 100644
index 000000000..dc17f7b23
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/plane.c
@@ -0,0 +1,171 @@
+
+/* Copyright (c) Mark J. Kilgard, 1994. */
+
+/*
+ * (c) Copyright 1993, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
+ */
+/*
+ *  plane.c
+ *  This program demonstrates the use of local versus
+ *  infinite lighting on a flat plane.
+ */
+#include <stdlib.h>
+#include <GL/glut.h>
+
+/*  Initialize material property, light source, and lighting model.
+ */
+void myinit(void)
+{
+    GLfloat mat_ambient[] = { 0.0, 0.0, 0.0, 1.0 };
+/*   mat_specular and mat_shininess are NOT default values	*/
+    GLfloat mat_diffuse[] = { 0.4, 0.4, 0.4, 1.0 };
+    GLfloat mat_specular[] = { 1.0, 1.0, 1.0, 1.0 };
+    GLfloat mat_shininess[] = { 15.0 };
+
+    GLfloat light_ambient[] = { 0.0, 0.0, 0.0, 1.0 };
+    GLfloat light_diffuse[] = { 1.0, 1.0, 1.0, 1.0 };
+    GLfloat light_specular[] = { 1.0, 1.0, 1.0, 1.0 };
+    GLfloat lmodel_ambient[] = { 0.2, 0.2, 0.2, 1.0 };
+
+    glMaterialfv(GL_FRONT, GL_AMBIENT, mat_ambient);
+    glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);
+    glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
+    glMaterialfv(GL_FRONT, GL_SHININESS, mat_shininess);
+    glLightfv(GL_LIGHT0, GL_AMBIENT, light_ambient);
+    glLightfv(GL_LIGHT0, GL_DIFFUSE, light_diffuse);
+    glLightfv(GL_LIGHT0, GL_SPECULAR, light_specular);
+    glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
+
+    glEnable(GL_LIGHTING);
+    glEnable(GL_LIGHT0);
+    glDepthFunc(GL_LESS);
+    glEnable(GL_DEPTH_TEST);
+}
+
+void drawPlane(void)
+{
+    glBegin (GL_QUADS);
+    glNormal3f (0.0, 0.0, 1.0);
+    glVertex3f (-1.0, -1.0, 0.0);
+    glVertex3f (0.0, -1.0, 0.0);
+    glVertex3f (0.0, 0.0, 0.0);
+    glVertex3f (-1.0, 0.0, 0.0);
+
+    glNormal3f (0.0, 0.0, 1.0);
+    glVertex3f (0.0, -1.0, 0.0);
+    glVertex3f (1.0, -1.0, 0.0);
+    glVertex3f (1.0, 0.0, 0.0);
+    glVertex3f (0.0, 0.0, 0.0);
+
+    glNormal3f (0.0, 0.0, 1.0);
+    glVertex3f (0.0, 0.0, 0.0);
+    glVertex3f (1.0, 0.0, 0.0);
+    glVertex3f (1.0, 1.0, 0.0);
+    glVertex3f (0.0, 1.0, 0.0);
+
+    glNormal3f (0.0, 0.0, 1.0);
+    glVertex3f (0.0, 0.0, 0.0);
+    glVertex3f (0.0, 1.0, 0.0);
+    glVertex3f (-1.0, 1.0, 0.0);
+    glVertex3f (-1.0, 0.0, 0.0);
+    glEnd();
+}
+
+void display (void)
+{
+    GLfloat infinite_light[] = { 1.0, 1.0, 1.0, 0.0 };
+    GLfloat local_light[] = { 1.0, 1.0, 1.0, 1.0 };
+
+    glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+    glPushMatrix ();
+    glTranslatef (-1.5, 0.0, 0.0);
+    glLightfv (GL_LIGHT0, GL_POSITION, infinite_light);
+    drawPlane ();
+    glPopMatrix ();
+
+    glPushMatrix ();
+    glTranslatef (1.5, 0.0, 0.0);
+    glLightfv (GL_LIGHT0, GL_POSITION, local_light);
+    drawPlane ();
+    glPopMatrix ();
+    glFlush ();
+}
+
+void myReshape(int w, int h)
+{
+    glViewport (0, 0, w, h);
+    glMatrixMode (GL_PROJECTION);
+    glLoadIdentity ();
+    if (w <= h)
+	glOrtho (-1.5, 1.5, -1.5*(GLdouble)h/(GLdouble)w,
+	    1.5*(GLdouble)h/(GLdouble)w, -10.0, 10.0);
+    else
+	glOrtho (-1.5*(GLdouble)w/(GLdouble)h,
+	    1.5*(GLdouble)w/(GLdouble)h, -1.5, 1.5, -10.0, 10.0);
+    glMatrixMode (GL_MODELVIEW);
+}
+
+static void
+key(unsigned char k, int x, int y)
+{
+  switch (k) {
+  case 27:  /* Escape */
+    exit(0);
+    break;
+  default:
+    return;
+  }
+  glutPostRedisplay();
+}
+
+/*  Main Loop
+ *  Open window with initial window size, title bar,
+ *  RGBA display mode, and handle input events.
+ */
+int main(int argc, char** argv)
+{
+    glutInit(&argc, argv);
+    glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
+    glutInitWindowSize (500, 200);
+    glutCreateWindow (argv[0]);
+    myinit();
+    glutReshapeFunc (myReshape);
+    glutDisplayFunc(display);
+    glutKeyboardFunc(key);
+    glutMainLoop();
+    return 0;             /* ANSI C requires main to return int. */
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/planet.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/planet.c
new file mode 100644
index 000000000..e13672d3f
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/planet.c
@@ -0,0 +1,123 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED 
+ * Permission to use, copy, modify, and distribute this software for 
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that 
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission. 
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ * 
+ * US Government Users Restricted Rights 
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ *  planet.c
+ *  This program shows how to composite modeling transformations
+ *  to draw translated and rotated models.
+ *  Interaction:  pressing the d and y keys (day and year)
+ *  alters the rotation of the planet around the sun.
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+
+static int year = 0, day = 0;
+
+void init(void) 
+{
+   glClearColor (0.0, 0.0, 0.0, 0.0);
+   glShadeModel (GL_FLAT);
+}
+
+void display(void)
+{
+   glClear (GL_COLOR_BUFFER_BIT);
+   glColor3f (1.0, 1.0, 1.0);
+
+   glPushMatrix();
+   glutWireSphere(1.0, 20, 16);   /* draw sun */
+   glRotatef ((GLfloat) year, 0.0, 1.0, 0.0);
+   glTranslatef (2.0, 0.0, 0.0);
+   glRotatef ((GLfloat) day, 0.0, 1.0, 0.0);
+   glutWireSphere(0.2, 10, 8);    /* draw smaller planet */
+   glPopMatrix();
+   glutSwapBuffers();
+}
+
+void reshape (int w, int h)
+{
+   glViewport (0, 0, (GLsizei) w, (GLsizei) h); 
+   glMatrixMode (GL_PROJECTION);
+   glLoadIdentity ();
+   gluPerspective(60.0, (GLfloat) w/(GLfloat) h, 1.0, 20.0);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   gluLookAt (0.0, 0.0, 5.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0);
+}
+
+/* ARGSUSED1 */
+void keyboard (unsigned char key, int x, int y)
+{
+   switch (key) {
+      case 'd':
+         day = (day + 10) % 360;
+         glutPostRedisplay();
+         break;
+      case 'D':
+         day = (day - 10) % 360;
+         glutPostRedisplay();
+         break;
+      case 'y':
+         year = (year + 5) % 360;
+         glutPostRedisplay();
+         break;
+      case 'Y':
+         year = (year - 5) % 360;
+         glutPostRedisplay();
+         break;
+      case 27:
+         exit(0);
+         break;
+      default:
+         break;
+   }
+}
+
+int main(int argc, char** argv)
+{
+   glutInit(&argc, argv);
+   glutInitDisplayMode (GLUT_DOUBLE | GLUT_RGB);
+   glutInitWindowSize (500, 500); 
+   glutInitWindowPosition (100, 100);
+   glutCreateWindow (argv[0]);
+   init ();
+   glutDisplayFunc(display); 
+   glutReshapeFunc(reshape);
+   glutKeyboardFunc(keyboard);
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/polyoff.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/polyoff.c
new file mode 100644
index 000000000..2017b4d8e
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/polyoff.c
@@ -0,0 +1,333 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ *  polyoff.c
+ *  This program demonstrates polygon offset to draw a shaded
+ *  polygon and its wireframe counterpart without ugly visual
+ *  artifacts ("stitching").
+ */
+#include <GL/glut.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#ifdef GL_VERSION_1_1
+GLuint list;
+GLint fill = 1;
+GLfloat spinx = 0;
+GLfloat spiny = 0;
+GLfloat tdist = 0.0;
+GLfloat polyfactor = 1.0;
+GLfloat polyunits = 1.0;
+GLboolean doubleBuffer;
+
+
+/*  display() draws two spheres, one with a gray, diffuse material,
+ *  the other sphere with a magenta material with a specular highlight.
+ */
+void display (void)
+{
+    GLfloat gray[] = { 0.8, 0.8, 0.8, 1.0 };
+    GLfloat black[] = { 0.0, 0.0, 0.0, 1.0 };
+
+    glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+    glPushMatrix ();
+    glTranslatef (0.0, 0.0, tdist);
+    glRotatef ((GLfloat) spinx, 1.0, 0.0, 0.0);
+    glRotatef ((GLfloat) spiny, 0.0, 1.0, 0.0);
+
+    glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, gray);
+    glMaterialfv(GL_FRONT, GL_SPECULAR, black);
+    glMaterialf(GL_FRONT, GL_SHININESS, 0.0);
+    if (fill) { 
+       glEnable(GL_LIGHTING);
+       glEnable(GL_LIGHT0);
+       glEnable(GL_POLYGON_OFFSET_FILL);
+       glPolygonOffset(polyfactor, polyunits);
+       glCallList (list);
+       glDisable(GL_POLYGON_OFFSET_FILL);
+    }
+
+    glDisable(GL_LIGHTING);
+    glDisable(GL_LIGHT0);
+    glColor3f (1.0, 1.0, 1.0);
+    glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
+    glPolygonOffset(-polyfactor, -polyunits);
+    if (!fill) glEnable(GL_POLYGON_OFFSET_LINE); 
+    glCallList (list);
+    glDisable(GL_POLYGON_OFFSET_LINE);
+    glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
+
+    if (!fill) { 
+       glEnable(GL_LIGHTING);
+       glEnable(GL_LIGHT0);
+       glCallList (list);
+    }
+
+    glPopMatrix ();
+    glFlush ();
+    if (doubleBuffer) glutSwapBuffers();
+}
+
+/*  specify initial properties
+ *  create display list with sphere
+ *  initialize lighting and depth buffer
+ */
+void gfxinit (void)
+{
+    GLfloat light_ambient[] = { 0.0, 0.0, 0.0, 1.0 };
+    GLfloat light_diffuse[] = { 1.0, 1.0, 1.0, 1.0 };
+    GLfloat light_specular[] = { 1.0, 1.0, 1.0, 1.0 };
+    GLfloat light_position[] = { 1.0, 1.0, 1.0, 0.0 };
+
+    GLfloat global_ambient[] = { 0.2, 0.2, 0.2, 1.0 };
+
+    glClearColor (0.0, 0.0, 0.0, 1.0);
+
+    list = glGenLists(1);
+    glNewList (list, GL_COMPILE);
+       glutSolidSphere(1.0, 20, 12);
+    glEndList ();
+
+    glEnable(GL_DEPTH_TEST);
+
+    glLightfv (GL_LIGHT0, GL_AMBIENT, light_ambient);
+    glLightfv (GL_LIGHT0, GL_DIFFUSE, light_diffuse);
+    glLightfv (GL_LIGHT0, GL_SPECULAR, light_specular);
+    glLightfv (GL_LIGHT0, GL_POSITION, light_position);
+    glLightModelfv (GL_LIGHT_MODEL_AMBIENT, global_ambient);
+}
+
+/*  call when window is resized  */
+void reshape(int width, int height)
+{
+    glViewport (0, 0, width, height);
+    glMatrixMode (GL_PROJECTION);
+    glLoadIdentity ();
+    gluPerspective(45.0, (GLdouble)width/(GLdouble)height,
+	    1.0, 10.0);
+    glMatrixMode (GL_MODELVIEW);
+    glLoadIdentity ();
+    gluLookAt (0.0, 0.0, 5.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0);
+}
+
+static void Benchmark( float xdiff, float ydiff )
+{
+   int startTime, endTime;
+   int draws;
+   double seconds, fps;
+
+   printf("Benchmarking...\n");
+
+   draws = 0;
+   startTime = glutGet(GLUT_ELAPSED_TIME);
+   spinx = spiny = 0.0;
+   do {
+      spinx += xdiff;
+      spiny += ydiff;
+      display();
+      draws++;
+      endTime = glutGet(GLUT_ELAPSED_TIME);
+   } while (endTime - startTime < 5000);   /* 5 seconds */
+
+   /* Results */
+   seconds = (double) (endTime - startTime) / 1000.0;
+   fps = draws / seconds;
+   printf("Result:  fps: %g\n", fps);
+}
+
+
+/*  call when mouse button is pressed  */
+/* ARGSUSED2 */
+void mouse(int button, int state, int x, int y) {
+    switch (button) {
+	case GLUT_LEFT_BUTTON:
+	    switch (state) {
+		case GLUT_DOWN:
+		    spinx += 5;
+                    glutPostRedisplay();
+		    break;
+		default:
+		    break;
+            }
+            break;
+	case GLUT_MIDDLE_BUTTON:
+	    switch (state) {
+		case GLUT_DOWN:
+		    spiny += 5;
+                    glutPostRedisplay();
+		    break;
+		default:
+		    break;
+            }
+            break;
+	case GLUT_RIGHT_BUTTON:
+	    switch (state) {
+		case GLUT_UP:
+		    exit(0);
+		    break;
+		default:
+		    break;
+            }
+            break;
+        default:
+            break;
+    }
+}
+
+/* ARGSUSED1 */
+void keyboard (unsigned char key, int x, int y)
+{
+   switch (key) {
+      case 't':
+         if (tdist < 4.0) {
+            tdist = (tdist + 0.5);
+            glutPostRedisplay();
+         }
+         break;
+      case 'T':
+         if (tdist > -5.0) {
+            tdist = (tdist - 0.5);
+            glutPostRedisplay();
+         }
+         break;
+      case 'F':
+         polyfactor = polyfactor + 0.1;
+	 printf ("polyfactor is %f\n", polyfactor);
+         glutPostRedisplay();
+         break;
+      case 'f':
+         polyfactor = polyfactor - 0.1;
+	 printf ("polyfactor is %f\n", polyfactor);
+         glutPostRedisplay();
+         break;
+      case 'U':
+         polyunits = polyunits + 1.0;
+	 printf ("polyunits is %f\n", polyunits);
+         glutPostRedisplay();
+         break;
+      case 'u':
+         polyunits = polyunits - 1.0;
+	 printf ("polyunits is %f\n", polyunits);
+         glutPostRedisplay();
+         break;
+      case 'b':
+	 Benchmark(5.0, 0);
+	 break;
+      case 'B':
+	 Benchmark(0, 5.0);
+	 break;
+      case ' ':
+	 fill = !fill;
+	 printf ("fill/line: %d\n", fill);
+         glutPostRedisplay();
+         break;
+      case 27:  /* Escape */
+         exit(0);
+         break;
+      default:
+         break;
+   }
+}
+
+static void
+key(unsigned char k, int x, int y)
+{
+  switch (k) {
+  case 27:  /* Escape */
+    exit(0);
+    break;
+  default:
+    return;
+  }
+  glutPostRedisplay();
+}
+
+GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+        if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    printf("%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+
+/*  Main Loop
+ *  Open window with initial window size, title bar,
+ *  RGBA display mode, and handle input events.
+ */
+int main(int argc, char** argv)
+{
+    GLuint type;
+    glutInit(&argc, argv);
+
+    Args(argc, argv);
+
+    type = GLUT_DEPTH | GLUT_RGB;
+     type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+
+    glutInitDisplayMode(type);
+    glutCreateWindow("polyoff");
+    glutReshapeFunc(reshape);
+    glutDisplayFunc(display);
+    glutMouseFunc(mouse);
+    glutKeyboardFunc(keyboard);
+    gfxinit();
+    glutMainLoop();
+    return 0;
+}
+#else
+int main(int argc, char** argv)
+{
+    fprintf (stderr, "This program demonstrates a feature which is not in OpenGL Version 1.0.\n");
+    fprintf (stderr, "If your implementation of OpenGL Version 1.0 has the right extensions,\n");
+    fprintf (stderr, "you may be able to modify this program to make it run.\n");
+    return 0;
+}
+#endif
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/polys.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/polys.c
new file mode 100644
index 000000000..409abd175
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/polys.c
@@ -0,0 +1,138 @@
+
+/* Copyright (c) Mark J. Kilgard, 1994. */
+
+/*
+ * (c) Copyright 1993, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
+ */
+/*
+ *  polys.c
+ *  This program demonstrates polygon stippling.
+ */
+#include <stdlib.h>
+#include <GL/glut.h>
+
+void display(void)
+{
+    GLubyte fly[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x03, 0x80, 0x01, 0xC0, 0x06, 0xC0, 0x03, 0x60, 0x04, 0x60, 0x06, 0x20,
+0x04, 0x30, 0x0C, 0x20, 0x04, 0x18, 0x18, 0x20, 0x04, 0x0C, 0x30, 0x20,
+0x04, 0x06, 0x60, 0x20, 0x44, 0x03, 0xC0, 0x22, 0x44, 0x01, 0x80, 0x22,
+0x44, 0x01, 0x80, 0x22, 0x44, 0x01, 0x80, 0x22, 0x44, 0x01, 0x80, 0x22,
+0x44, 0x01, 0x80, 0x22, 0x44, 0x01, 0x80, 0x22, 0x66, 0x01, 0x80, 0x66,
+0x33, 0x01, 0x80, 0xCC, 0x19, 0x81, 0x81, 0x98, 0x0C, 0xC1, 0x83, 0x30,
+0x07, 0xe1, 0x87, 0xe0, 0x03, 0x3f, 0xfc, 0xc0, 0x03, 0x31, 0x8c, 0xc0,
+0x03, 0x33, 0xcc, 0xc0, 0x06, 0x64, 0x26, 0x60, 0x0c, 0xcc, 0x33, 0x30,
+0x18, 0xcc, 0x33, 0x18, 0x10, 0xc4, 0x23, 0x08, 0x10, 0x63, 0xC6, 0x08,
+0x10, 0x30, 0x0c, 0x08, 0x10, 0x18, 0x18, 0x08, 0x10, 0x00, 0x00, 0x08};
+
+    GLubyte halftone[] = {
+0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55, 0xAA, 0xAA, 0xAA, 0xAA,
+0x55, 0x55, 0x55, 0x55, 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
+0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55, 0xAA, 0xAA, 0xAA, 0xAA,
+0x55, 0x55, 0x55, 0x55, 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
+0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55, 0xAA, 0xAA, 0xAA, 0xAA,
+0x55, 0x55, 0x55, 0x55, 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
+0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55, 0xAA, 0xAA, 0xAA, 0xAA,
+0x55, 0x55, 0x55, 0x55, 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
+0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55, 0xAA, 0xAA, 0xAA, 0xAA,
+0x55, 0x55, 0x55, 0x55, 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
+0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55};
+
+    glClear (GL_COLOR_BUFFER_BIT);
+
+/*  draw all polygons in white	*/
+    glColor3f (1.0, 1.0, 1.0);
+
+/*  draw one solid, unstippled rectangle,	*/
+/*  then two stippled rectangles		*/
+    glRectf (25.0, 25.0, 125.0, 125.0);
+    glEnable (GL_POLYGON_STIPPLE);
+    glPolygonStipple (fly);
+    glRectf (125.0, 25.0, 225.0, 125.0);
+    glPolygonStipple (halftone);
+    glRectf (225.0, 25.0, 325.0, 125.0);
+    glDisable (GL_POLYGON_STIPPLE);
+
+    glFlush ();
+}
+
+void myinit (void)
+{
+/*  clear background to black	*/
+    glClearColor (0.0, 0.0, 0.0, 0.0);
+    glShadeModel (GL_FLAT);
+}
+
+static void reshape(GLsizei w, GLsizei h)
+{
+    glViewport(0, 0, w, h);
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glOrtho(0.0, (GLdouble)w, 0.0, (GLdouble)h, -1.0, 1.0);
+    glMatrixMode(GL_MODELVIEW);
+    glLoadIdentity();
+}
+
+static void
+key(unsigned char k, int x, int y)
+{
+  switch (k) {
+  case 27:  /* Escape */
+    exit(0);
+    break;
+  default:
+    break;
+  }
+  glutPostRedisplay();
+}
+
+/*  Main Loop
+ *  Open window with initial window size, title bar,
+ *  RGBA display mode, and handle input events.
+ */
+int main(int argc, char** argv)
+{
+    glutInit(&argc, argv);
+    glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB);
+    glutInitWindowSize (350, 150);
+    glutCreateWindow (argv[0]);
+    myinit ();
+    glutDisplayFunc(display);
+    glutReshapeFunc(reshape);
+    glutKeyboardFunc(key);
+    glutMainLoop();
+    return 0;             /* ANSI C requires main to return int. */
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/quadric.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/quadric.c
new file mode 100644
index 000000000..4e46c85f8
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/quadric.c
@@ -0,0 +1,189 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED 
+ * Permission to use, copy, modify, and distribute this software for 
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that 
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission. 
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ * 
+ * US Government Users Restricted Rights 
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ *  quadric.c
+ *  This program demonstrates the use of some of the gluQuadric*
+ *  routines. Quadric objects are created with some quadric
+ *  properties and the callback routine to handle errors.
+ *  Note that the cylinder has no top or bottom and the circle
+ *  has a hole in it.
+ */
+#include <GL/glut.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+/* Win32 calling conventions. */
+#ifndef CALLBACK
+#define CALLBACK
+#endif
+
+GLuint startList;
+
+void CALLBACK errorCallback(GLenum errorCode)
+{
+   const GLubyte *estring;
+
+   estring = gluErrorString(errorCode);
+   fprintf(stderr, "Quadric Error: %s\n", estring);
+   exit(0);
+}
+
+void init(void) 
+{
+   GLUquadricObj *qobj;
+   GLfloat mat_ambient[] = { 0.5, 0.5, 0.5, 1.0 };
+   GLfloat mat_specular[] = { 1.0, 1.0, 1.0, 1.0 };
+   GLfloat mat_shininess[] = { 50.0 };
+   GLfloat light_position[] = { 1.0, 1.0, 1.0, 0.0 };
+   GLfloat model_ambient[] = { 0.5, 0.5, 0.5, 1.0 };
+
+   glClearColor(0.0, 0.0, 0.0, 0.0);
+
+   glMaterialfv(GL_FRONT, GL_AMBIENT, mat_ambient);
+   glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
+   glMaterialfv(GL_FRONT, GL_SHININESS, mat_shininess);
+   glLightfv(GL_LIGHT0, GL_POSITION, light_position);
+   glLightModelfv(GL_LIGHT_MODEL_AMBIENT, model_ambient);
+
+   glEnable(GL_LIGHTING);
+   glEnable(GL_LIGHT0);
+   glEnable(GL_DEPTH_TEST);
+
+/*  Create 4 display lists, each with a different quadric object.
+ *  Different drawing styles and surface normal specifications
+ *  are demonstrated.
+ */
+   startList = glGenLists(4);
+   qobj = gluNewQuadric();
+   gluQuadricCallback(qobj, GLU_ERROR, 
+                      (GLvoid (CALLBACK*) ()) errorCallback);
+
+   gluQuadricDrawStyle(qobj, GLU_FILL); /* smooth shaded */
+   gluQuadricNormals(qobj, GLU_SMOOTH);
+   glNewList(startList, GL_COMPILE);
+      gluSphere(qobj, 0.75, 15, 10);
+   glEndList();
+
+   gluQuadricDrawStyle(qobj, GLU_FILL); /* flat shaded */
+   gluQuadricNormals(qobj, GLU_FLAT);
+   glNewList(startList+1, GL_COMPILE);
+      gluCylinder(qobj, 0.5, 0.3, 1.0, 15, 5);
+   glEndList();
+
+   gluQuadricDrawStyle(qobj, GLU_LINE); /* all polygons wireframe */
+   gluQuadricNormals(qobj, GLU_NONE);
+   glNewList(startList+2, GL_COMPILE);
+      gluDisk(qobj, 0.25, 1.0, 20, 4);
+   glEndList();
+
+   gluQuadricDrawStyle(qobj, GLU_SILHOUETTE); /* boundary only  */
+   gluQuadricNormals(qobj, GLU_NONE);
+   glNewList(startList+3, GL_COMPILE);
+      gluPartialDisk(qobj, 0.0, 1.0, 20, 4, 0.0, 225.0);
+   glEndList();
+}
+
+void display(void)
+{
+   glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+   glPushMatrix();
+
+   glEnable(GL_LIGHTING);
+   glShadeModel (GL_SMOOTH);
+   glTranslatef(-1.0, -1.0, 0.0);
+   glCallList(startList);
+
+   glShadeModel (GL_FLAT);
+   glTranslatef(0.0, 2.0, 0.0);
+   glPushMatrix();
+   glRotatef(300.0, 1.0, 0.0, 0.0);
+   glCallList(startList+1);
+   glPopMatrix();
+
+   glDisable(GL_LIGHTING);
+   glColor3f(0.0, 1.0, 1.0);
+   glTranslatef(2.0, -2.0, 0.0);
+   glCallList(startList+2);
+
+   glColor3f(1.0, 1.0, 0.0);
+   glTranslatef(0.0, 2.0, 0.0);
+   glCallList(startList+3);
+
+   glPopMatrix();
+   glFlush();
+}
+
+void reshape (int w, int h)
+{
+   glViewport(0, 0, (GLsizei) w, (GLsizei) h);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   if (w <= h)
+      glOrtho(-2.5, 2.5, -2.5*(GLfloat)h/(GLfloat)w,
+         2.5*(GLfloat)h/(GLfloat)w, -10.0, 10.0);
+   else
+      glOrtho(-2.5*(GLfloat)w/(GLfloat)h,
+         2.5*(GLfloat)w/(GLfloat)h, -2.5, 2.5, -10.0, 10.0);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+}
+
+int main(int argc, char** argv)
+{
+   glutInit(&argc, argv);
+   glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
+   glutInitWindowSize(500, 500); 
+   glutInitWindowPosition(100, 100);
+   glutCreateWindow(argv[0]);
+   init();
+   glutDisplayFunc(display); 
+   glutReshapeFunc(reshape);
+   glutKeyboardFunc(keyboard);
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/robot.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/robot.c
new file mode 100644
index 000000000..94e20ac71
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/robot.c
@@ -0,0 +1,132 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED 
+ * Permission to use, copy, modify, and distribute this software for 
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that 
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission. 
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ * 
+ * US Government Users Restricted Rights 
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ * robot.c
+ * This program shows how to composite modeling transformations
+ * to draw translated and rotated hierarchical models.
+ * Interaction:  pressing the s and e keys (shoulder and elbow)
+ * alters the rotation of the robot arm.
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+
+static int shoulder = 0, elbow = 0;
+
+void init(void) 
+{
+  glClearColor (0.0, 0.0, 0.0, 0.0);
+  glShadeModel (GL_FLAT);
+}
+
+void display(void)
+{
+   glClear (GL_COLOR_BUFFER_BIT);
+   glPushMatrix();
+   glTranslatef (-1.0, 0.0, 0.0);
+   glRotatef ((GLfloat) shoulder, 0.0, 0.0, 1.0);
+   glTranslatef (1.0, 0.0, 0.0);
+   glPushMatrix();
+   glScalef (2.0, 0.4, 1.0);
+   glutWireCube (1.0);
+   glPopMatrix();
+
+   glTranslatef (1.0, 0.0, 0.0);
+   glRotatef ((GLfloat) elbow, 0.0, 0.0, 1.0);
+   glTranslatef (1.0, 0.0, 0.0);
+   glPushMatrix();
+   glScalef (2.0, 0.4, 1.0);
+   glutWireCube (1.0);
+   glPopMatrix();
+
+   glPopMatrix();
+   glutSwapBuffers();
+}
+
+void reshape (int w, int h)
+{
+   glViewport (0, 0, (GLsizei) w, (GLsizei) h); 
+   glMatrixMode (GL_PROJECTION);
+   glLoadIdentity ();
+   gluPerspective(65.0, (GLfloat) w/(GLfloat) h, 1.0, 20.0);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glTranslatef (0.0, 0.0, -5.0);
+}
+
+/* ARGSUSED1 */
+void keyboard (unsigned char key, int x, int y)
+{
+   switch (key) {
+      case 's':
+         shoulder = (shoulder + 5) % 360;
+         glutPostRedisplay();
+         break;
+      case 'S':
+         shoulder = (shoulder - 5) % 360;
+         glutPostRedisplay();
+         break;
+      case 'e':
+         elbow = (elbow + 5) % 360;
+         glutPostRedisplay();
+         break;
+      case 'E':
+         elbow = (elbow - 5) % 360;
+         glutPostRedisplay();
+         break;
+      case 27:
+         exit(0);
+         break;
+      default:
+         break;
+   }
+}
+
+int main(int argc, char** argv)
+{
+   glutInit(&argc, argv);
+   glutInitDisplayMode (GLUT_DOUBLE | GLUT_RGB);
+   glutInitWindowSize (500, 500); 
+   glutInitWindowPosition (100, 100);
+   glutCreateWindow (argv[0]);
+   init ();
+   glutDisplayFunc(display); 
+   glutReshapeFunc(reshape);
+   glutKeyboardFunc(keyboard);
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/sccolorlight.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/sccolorlight.c
new file mode 100644
index 000000000..0ea750e58
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/sccolorlight.c
@@ -0,0 +1,141 @@
+
+/* Copyright (c) Mark J. Kilgard, 1994. */
+
+/*
+ * (c) Copyright 1993, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
+ */
+/*
+ *  sccolorlight.c
+ *  This program demonstrates the use of a colored
+ *  (magenta, in this example) light source.  Objects
+ *  are drawn using a grey material characteristic.
+ *  A single light source illuminates the objects.
+ */
+#include <stdlib.h>
+#include <GL/glut.h>
+
+/*  Initialize material property and light source.
+ */
+void myinit(void)
+{
+    GLfloat light_ambient[] = { 0.0, 0.0, 0.0, 1.0 };
+    GLfloat light_diffuse[] = { 1.0, 0.0, 1.0, 1.0 };
+    GLfloat light_specular[] = { 1.0, 0.0, 1.0, 1.0 };
+/*	light_position is NOT default value	*/
+    GLfloat light_position[] = { 1.0, 1.0, 1.0, 0.0 };
+
+    glLightfv(GL_LIGHT0, GL_AMBIENT, light_ambient);
+    glLightfv(GL_LIGHT0, GL_DIFFUSE, light_diffuse);
+    glLightfv(GL_LIGHT0, GL_SPECULAR, light_specular);
+    glLightfv(GL_LIGHT0, GL_POSITION, light_position);
+
+    glEnable(GL_LIGHTING);
+    glEnable(GL_LIGHT0);
+    glDepthFunc(GL_LESS);
+    glEnable(GL_DEPTH_TEST);
+}
+
+void display(void)
+{
+    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+    glPushMatrix ();
+    glRotatef (20.0, 1.0, 0.0, 0.0);
+
+    glPushMatrix ();
+    glTranslatef (-0.75, 0.5, 0.0);
+    glRotatef (90.0, 1.0, 0.0, 0.0);
+    glutSolidTorus (0.275, 0.85, 20, 20);
+    glPopMatrix ();
+
+    glPushMatrix ();
+    glTranslatef (-0.75, -0.5, 0.0);
+    glRotatef (270.0, 1.0, 0.0, 0.0);
+    glutSolidCone (1.0, 2.0, 20, 20);
+    glPopMatrix ();
+
+    glPushMatrix ();
+    glTranslatef (0.75, 0.0, -1.0);
+    glutSolidSphere (1.0, 20, 20);
+    glPopMatrix ();
+
+    glPopMatrix ();
+    glFlush();
+}
+
+void myReshape(int w, int h)
+{
+    glViewport(0, 0, w, h);
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    if (w <= h)
+	glOrtho (-2.5, 2.5, -2.5*(GLfloat)h/(GLfloat)w,
+	    2.5*(GLfloat)h/(GLfloat)w, -10.0, 10.0);
+    else
+	glOrtho (-2.5*(GLfloat)w/(GLfloat)h,
+	    2.5*(GLfloat)w/(GLfloat)h, -2.5, 2.5, -10.0, 10.0);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void
+key(unsigned char k, int x, int y)
+{
+  switch (k) {
+  case 27:  /* Escape */
+    exit(0);
+    break;
+  default:
+    return;
+  }
+  glutPostRedisplay();
+}
+
+/*  Main Loop
+ *  Open window with initial window size, title bar,
+ *  RGBA display mode, and handle input events.
+ */
+int main(int argc, char** argv)
+{
+    glutInit(&argc, argv);
+    glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
+    glutInitWindowSize (500, 500);
+    glutCreateWindow (argv[0]);
+    myinit();
+    glutReshapeFunc (myReshape);
+    glutDisplayFunc(display);
+    glutKeyboardFunc(key);
+    glutMainLoop();
+    return 0;             /* ANSI C requires main to return int. */
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/scene.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/scene.c
new file mode 100644
index 000000000..c3abc727b
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/scene.c
@@ -0,0 +1,141 @@
+
+/* Copyright (c) Mark J. Kilgard, 1994. */
+
+/*
+ * (c) Copyright 1993, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
+ */
+/*
+ *  scene.c
+ *  This program demonstrates the use of the GL lighting model.
+ *  Objects are drawn using a grey material characteristic.
+ *  A single light source illuminates the objects.
+ */
+#include <stdlib.h>
+#include <GL/glut.h>
+
+/*  Initialize material property and light source.
+ */
+void myinit (void)
+{
+    GLfloat light_ambient[] = { 0.0, 0.0, 0.0, 1.0 };
+    GLfloat light_diffuse[] = { 1.0, 1.0, 1.0, 1.0 };
+    GLfloat light_specular[] = { 1.0, 1.0, 1.0, 1.0 };
+/*	light_position is NOT default value	*/
+    GLfloat light_position[] = { 1.0, 1.0, 1.0, 0.0 };
+
+    glLightfv (GL_LIGHT0, GL_AMBIENT, light_ambient);
+    glLightfv (GL_LIGHT0, GL_DIFFUSE, light_diffuse);
+    glLightfv (GL_LIGHT0, GL_SPECULAR, light_specular);
+    glLightfv (GL_LIGHT0, GL_POSITION, light_position);
+
+    glEnable (GL_LIGHTING);
+    glEnable (GL_LIGHT0);
+    glDepthFunc(GL_LESS);
+    glEnable(GL_DEPTH_TEST);
+}
+
+void display (void)
+{
+    glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+    glPushMatrix ();
+    glRotatef (20.0, 1.0, 0.0, 0.0);
+
+    glPushMatrix ();
+    glTranslatef (-0.75, 0.5, 0.0);
+    glRotatef (90.0, 1.0, 0.0, 0.0);
+    glutSolidTorus (0.275, 0.85, 15, 15);
+    glPopMatrix ();
+
+    glPushMatrix ();
+    glTranslatef (-0.75, -0.5, 0.0);
+    glRotatef (270.0, 1.0, 0.0, 0.0);
+    glutSolidCone (1.0, 2.0, 15, 15);
+    glPopMatrix ();
+
+    glPushMatrix ();
+    glTranslatef (0.75, 0.0, -1.0);
+    glutSolidSphere (1.0, 15, 15);
+    glPopMatrix ();
+
+    glPopMatrix ();
+    glFlush ();
+}
+
+void myReshape(int w, int h)
+{
+    glViewport (0, 0, w, h);
+    glMatrixMode (GL_PROJECTION);
+    glLoadIdentity ();
+    if (w <= h)
+	glOrtho (-2.5, 2.5, -2.5*(GLfloat)h/(GLfloat)w,
+	    2.5*(GLfloat)h/(GLfloat)w, -10.0, 10.0);
+    else
+	glOrtho (-2.5*(GLfloat)w/(GLfloat)h,
+	    2.5*(GLfloat)w/(GLfloat)h, -2.5, 2.5, -10.0, 10.0);
+    glMatrixMode (GL_MODELVIEW);
+}
+
+static void
+key(unsigned char k, int x, int y)
+{
+  switch (k) {
+  case 27:  /* Escape */
+    exit(0);
+    break;
+  default:
+    return;
+  }
+  glutPostRedisplay();
+}
+
+/*  Main Loop
+ *  Open window with initial window size, title bar,
+ *  RGBA display mode, and handle input events.
+ */
+int main(int argc, char** argv)
+{
+    glutInit(&argc, argv);
+    glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
+    glutInitWindowSize (500, 500);
+    glutCreateWindow (argv[0]);
+    myinit ();
+    glutReshapeFunc (myReshape);
+    glutDisplayFunc(display);
+    glutKeyboardFunc(key);
+    glutMainLoop();
+    return 0;             /* ANSI C requires main to return int. */
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/scenebamb.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/scenebamb.c
new file mode 100644
index 000000000..e7264d200
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/scenebamb.c
@@ -0,0 +1,140 @@
+
+/* Copyright (c) Mark J. Kilgard, 1994. */
+
+/*
+ * (c) Copyright 1993, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
+ */
+/*
+ *  scenebamb.c
+ *  This program demonstrates use of a blue ambient light
+ *  source.
+ */
+#include <stdlib.h>
+#include <GL/glut.h>
+
+/*  Initialize light source and lighting.
+ */
+void myinit(void)
+{
+    GLfloat light_ambient[] = { 0.0, 0.0, 1.0, 1.0 };
+    GLfloat light_diffuse[] = { 1.0, 1.0, 1.0, 1.0 };
+    GLfloat light_specular[] = { 1.0, 1.0, 1.0, 1.0 };
+/*	light_position is NOT default value	*/
+    GLfloat light_position[] = { 1.0, 1.0, 1.0, 0.0 };
+
+    glLightfv(GL_LIGHT0, GL_AMBIENT, light_ambient);
+    glLightfv(GL_LIGHT0, GL_DIFFUSE, light_diffuse);
+    glLightfv(GL_LIGHT0, GL_SPECULAR, light_specular);
+    glLightfv(GL_LIGHT0, GL_POSITION, light_position);
+
+    glEnable(GL_LIGHTING);
+    glEnable(GL_LIGHT0);
+    glDepthFunc(GL_LESS);
+    glEnable(GL_DEPTH_TEST);
+}
+
+void display(void)
+{
+    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+    glPushMatrix ();
+    glRotatef (20.0, 1.0, 0.0, 0.0);
+
+    glPushMatrix ();
+    glTranslatef (-0.75, 0.5, 0.0);
+    glRotatef (90.0, 1.0, 0.0, 0.0);
+    glutSolidTorus (0.275, 0.85, 15, 15);
+    glPopMatrix ();
+
+    glPushMatrix ();
+    glTranslatef (-0.75, -0.5, 0.0);
+    glRotatef (270.0, 1.0, 0.0, 0.0);
+    glutSolidCone (1.0, 2.0, 15, 15);
+    glPopMatrix ();
+
+    glPushMatrix ();
+    glTranslatef (0.75, 0.0, -1.0);
+    glutSolidSphere (1.0, 15, 15);
+    glPopMatrix ();
+
+    glPopMatrix ();
+    glFlush();
+}
+
+void myReshape(int w, int h)
+{
+    glViewport(0, 0, w, h);
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    if (w <= h)
+	glOrtho (-2.5, 2.5, -2.5*(GLfloat)h/(GLfloat)w,
+	    2.5*(GLfloat)h/(GLfloat)w, -10.0, 10.0);
+    else
+	glOrtho (-2.5*(GLfloat)w/(GLfloat)h,
+	    2.5*(GLfloat)w/(GLfloat)h, -2.5, 2.5, -10.0, 10.0);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void
+key(unsigned char k, int x, int y)
+{
+  switch (k) {
+  case 27:  /* Escape */
+    exit(0);
+    break;
+  default:
+    return;
+  }
+  glutPostRedisplay();
+}
+
+/*  Main Loop
+ *  Open window with initial window size, title bar,
+ *  RGBA display mode, and handle input events.
+ */
+int main(int argc, char** argv)
+{
+    glutInit(&argc, argv);
+    glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
+    glutInitWindowSize (500, 500);
+    glutCreateWindow (argv[0]);
+    myinit();
+    glutReshapeFunc (myReshape);
+    glutDisplayFunc(display);
+    glutKeyboardFunc(key);
+    glutMainLoop();
+    return 0;             /* ANSI C requires main to return int. */
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/sceneflat.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/sceneflat.c
new file mode 100644
index 000000000..10891fb99
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/sceneflat.c
@@ -0,0 +1,140 @@
+
+/* Copyright (c) Mark J. Kilgard, 1994. */
+
+/*
+ * (c) Copyright 1993, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
+ */
+/*
+ *  sceneflat.c
+ *  This program draws lighted objects with flat shading.
+ */
+#include <stdlib.h>
+#include <GL/glut.h>
+
+/*  Initialize light source and shading model (GL_FLAT).
+ */
+void myinit(void)
+{
+    GLfloat light_ambient[] = { 0.0, 0.0, 0.0, 1.0 };
+    GLfloat light_diffuse[] = { 1.0, 1.0, 1.0, 1.0 };
+    GLfloat light_specular[] = { 1.0, 1.0, 1.0, 1.0 };
+/*	light_position is NOT default value	*/
+    GLfloat light_position[] = { 1.0, 1.0, 1.0, 0.0 };
+
+    glLightfv(GL_LIGHT0, GL_AMBIENT, light_ambient);
+    glLightfv(GL_LIGHT0, GL_DIFFUSE, light_diffuse);
+    glLightfv(GL_LIGHT0, GL_SPECULAR, light_specular);
+    glLightfv(GL_LIGHT0, GL_POSITION, light_position);
+
+    glEnable(GL_LIGHTING);
+    glEnable(GL_LIGHT0);
+    glDepthFunc(GL_LESS);
+    glEnable(GL_DEPTH_TEST);
+    glShadeModel (GL_FLAT);
+}
+
+void display(void)
+{
+    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+    glPushMatrix ();
+    glRotatef (20.0, 1.0, 0.0, 0.0);
+
+    glPushMatrix ();
+    glTranslatef (-0.75, 0.5, 0.0);
+    glRotatef (90.0, 1.0, 0.0, 0.0);
+    glutSolidTorus (0.275, 0.85, 15, 15);
+    glPopMatrix ();
+
+    glPushMatrix ();
+    glTranslatef (-0.75, -0.5, 0.0);
+    glRotatef (270.0, 1.0, 0.0, 0.0);
+    glutSolidCone (1.0, 2.0, 15, 15);
+    glPopMatrix ();
+
+    glPushMatrix ();
+    glTranslatef (0.75, 0.0, -1.0);
+    glutSolidSphere (1.0, 15, 15);
+    glPopMatrix ();
+
+    glPopMatrix ();
+    glFlush();
+}
+
+void myReshape(int w, int h)
+{
+    glViewport(0, 0, w, h);
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    if (w <= h)
+	glOrtho (-2.5, 2.5, -2.5*(GLfloat)h/(GLfloat)w,
+	    2.5*(GLfloat)h/(GLfloat)w, -10.0, 10.0);
+    else
+	glOrtho (-2.5*(GLfloat)w/(GLfloat)h,
+	    2.5*(GLfloat)w/(GLfloat)h, -2.5, 2.5, -10.0, 10.0);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void
+key(unsigned char k, int x, int y)
+{
+  switch (k) {
+  case 27:  /* Escape */
+    exit(0);
+    break;
+  default:
+    return;
+  }
+  glutPostRedisplay();
+}
+
+/*  Main Loop
+ *  Open window with initial window size, title bar,
+ *  RGBA display mode, and handle input events.
+ */
+int main(int argc, char** argv)
+{
+    glutInit(&argc, argv);
+    glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
+    glutInitWindowSize (500, 500);
+    glutCreateWindow (argv[0]);
+    myinit();
+    glutReshapeFunc (myReshape);
+    glutDisplayFunc(display);
+    glutKeyboardFunc(key);
+    glutMainLoop();
+    return 0;             /* ANSI C requires main to return int. */
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/select.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/select.c
new file mode 100644
index 000000000..928373b87
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/select.c
@@ -0,0 +1,222 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED 
+ * Permission to use, copy, modify, and distribute this software for 
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that 
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission. 
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ * 
+ * US Government Users Restricted Rights 
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ * select.c
+ * This is an illustration of the selection mode and 
+ * name stack, which detects whether objects which collide 
+ * with a viewing volume.  First, four triangles and a 
+ * rectangular box representing a viewing volume are drawn 
+ * (drawScene routine).  The green triangle and yellow 
+ * triangles appear to lie within the viewing volume, but 
+ * the red triangle appears to lie outside it.  Then the 
+ * selection mode is entered (selectObjects routine).  
+ * Drawing to the screen ceases.  To see if any collisions 
+ * occur, the four triangles are called.  In this example, 
+ * the green triangle causes one hit with the name 1, and 
+ * the yellow triangles cause one hit with the name 3.
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+/* draw a triangle with vertices at (x1, y1), (x2, y2) 
+ * and (x3, y3) at z units away from the origin.
+ */
+void drawTriangle (GLfloat x1, GLfloat y1, GLfloat x2, 
+    GLfloat y2, GLfloat x3, GLfloat y3, GLfloat z)
+{
+   glBegin (GL_TRIANGLES);
+   glVertex3f (x1, y1, z);
+   glVertex3f (x2, y2, z);
+   glVertex3f (x3, y3, z);
+   glEnd ();
+}
+
+/* draw a rectangular box with these outer x, y, and z values */
+void drawViewVolume (GLfloat x1, GLfloat x2, GLfloat y1, 
+                     GLfloat y2, GLfloat z1, GLfloat z2)
+{
+   glColor3f (1.0, 1.0, 1.0);
+   glBegin (GL_LINE_LOOP);
+   glVertex3f (x1, y1, -z1);
+   glVertex3f (x2, y1, -z1);
+   glVertex3f (x2, y2, -z1);
+   glVertex3f (x1, y2, -z1);
+   glEnd ();
+
+   glBegin (GL_LINE_LOOP);
+   glVertex3f (x1, y1, -z2);
+   glVertex3f (x2, y1, -z2);
+   glVertex3f (x2, y2, -z2);
+   glVertex3f (x1, y2, -z2);
+   glEnd ();
+
+   glBegin (GL_LINES);	/*  4 lines	*/
+   glVertex3f (x1, y1, -z1);
+   glVertex3f (x1, y1, -z2);
+   glVertex3f (x1, y2, -z1);
+   glVertex3f (x1, y2, -z2);
+   glVertex3f (x2, y1, -z1);
+   glVertex3f (x2, y1, -z2);
+   glVertex3f (x2, y2, -z1);
+   glVertex3f (x2, y2, -z2);
+   glEnd ();
+}
+
+/* drawScene draws 4 triangles and a wire frame
+ * which represents the viewing volume.
+ */
+void drawScene (void)
+{
+   glMatrixMode (GL_PROJECTION);
+   glLoadIdentity ();
+   gluPerspective (40.0, 4.0/3.0, 1.0, 100.0);
+
+   glMatrixMode (GL_MODELVIEW);
+   glLoadIdentity ();
+   gluLookAt (7.5, 7.5, 12.5, 2.5, 2.5, -5.0, 0.0, 1.0, 0.0);
+   glColor3f (0.0, 1.0, 0.0);	/*  green triangle	*/
+   drawTriangle (2.0, 2.0, 3.0, 2.0, 2.5, 3.0, -5.0);
+   glColor3f (1.0, 0.0, 0.0);	/*  red triangle	*/
+   drawTriangle (2.0, 7.0, 3.0, 7.0, 2.5, 8.0, -5.0);
+   glColor3f (1.0, 1.0, 0.0);	/*  yellow triangles	*/
+   drawTriangle (2.0, 2.0, 3.0, 2.0, 2.5, 3.0, 0.0);
+   drawTriangle (2.0, 2.0, 3.0, 2.0, 2.5, 3.0, -10.0);
+   drawViewVolume (0.0, 5.0, 0.0, 5.0, 0.0, 10.0);
+}
+
+/* processHits prints out the contents of the selection array
+ */
+void processHits (GLint hits, GLuint buffer[])
+{
+   GLint i;
+   GLuint j, names, *ptr;
+
+   printf ("hits = %d\n", hits);
+   ptr = (GLuint *) buffer;
+   for (i = 0; i < hits; i++) {	/*  for each hit  */
+      names = *ptr;
+      printf (" number of names for hit = %d\n", names); ptr++;
+      printf("  z1 is %g;", (float) *ptr/0x7fffffff); ptr++;
+      printf(" z2 is %g\n", (float) *ptr/0x7fffffff); ptr++;
+      printf ("   the name is ");
+      for (j = 0; j < names; j++) {	/*  for each name */
+         printf ("%d ", *ptr); ptr++;
+      }
+      printf ("\n");
+   }
+}
+
+/* selectObjects "draws" the triangles in selection mode, 
+ * assigning names for the triangles.  Note that the third
+ * and fourth triangles share one name, so that if either 
+ * or both triangles intersects the viewing/clipping volume, 
+ * only one hit will be registered.
+ */
+#define BUFSIZE 512
+
+void selectObjects(void)
+{
+   GLuint selectBuf[BUFSIZE];
+   GLint hits;
+
+   glSelectBuffer (BUFSIZE, selectBuf);
+   (void) glRenderMode (GL_SELECT);
+
+   glInitNames();
+   glPushName(0);
+
+   glPushMatrix ();
+   glMatrixMode (GL_PROJECTION);
+   glLoadIdentity ();
+   glOrtho (0.0, 5.0, 0.0, 5.0, 0.0, 10.0);
+   glMatrixMode (GL_MODELVIEW);
+   glLoadIdentity ();
+   glLoadName(1);
+   drawTriangle (2.0, 2.0, 3.0, 2.0, 2.5, 3.0, -5.0);
+   glLoadName(2);
+   drawTriangle (2.0, 7.0, 3.0, 7.0, 2.5, 8.0, -5.0);
+   glLoadName(3);
+   drawTriangle (2.0, 2.0, 3.0, 2.0, 2.5, 3.0, 0.0);
+   drawTriangle (2.0, 2.0, 3.0, 2.0, 2.5, 3.0, -10.0);
+   glPopMatrix ();
+   glFlush ();
+
+   hits = glRenderMode (GL_RENDER);
+   processHits (hits, selectBuf);
+} 
+
+void init (void) 
+{
+   glEnable(GL_DEPTH_TEST);
+   glShadeModel(GL_FLAT);
+}
+
+void display(void)
+{
+   glClearColor (0.0, 0.0, 0.0, 0.0);
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+   drawScene ();
+   selectObjects ();
+   glFlush();
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+}
+
+/*  Main Loop  */
+int main(int argc, char** argv)
+{
+   glutInit(&argc, argv);
+   glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
+   glutInitWindowSize (200, 200);
+   glutInitWindowPosition (100, 100);
+   glutCreateWindow (argv[0]);
+   init();
+   glutDisplayFunc(display);
+   glutKeyboardFunc(keyboard);
+   glutMainLoop();
+   return 0; 
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/smooth.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/smooth.c
new file mode 100644
index 000000000..9d22fc902
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/smooth.c
@@ -0,0 +1,106 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED 
+ * Permission to use, copy, modify, and distribute this software for 
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that 
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission. 
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ * 
+ * US Government Users Restricted Rights 
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ * smooth.c
+ * This program demonstrates smooth shading.
+ * A smooth shaded polygon is drawn in a 2-D projection.
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+
+void init(void) 
+{
+   glClearColor (0.0, 0.0, 0.0, 0.0);
+   glShadeModel (GL_SMOOTH);
+}
+
+void triangle(void)
+{
+   glBegin (GL_TRIANGLES);
+   glColor3f (1.0, 0.0, 0.0);
+   glVertex2f (5.0, 5.0);
+   glColor3f (0.0, 1.0, 0.0);
+   glVertex2f (25.0, 5.0);
+   glColor3f (0.0, 0.0, 1.0);
+   glVertex2f (5.0, 25.0);
+   glEnd();
+}
+
+void display(void)
+{
+   glClear (GL_COLOR_BUFFER_BIT);
+   triangle ();
+   glFlush ();
+}
+
+void reshape (int w, int h)
+{
+   glViewport (0, 0, (GLsizei) w, (GLsizei) h);
+   glMatrixMode (GL_PROJECTION);
+   glLoadIdentity ();
+   if (w <= h)
+      gluOrtho2D (0.0, 30.0, 0.0, 30.0 * (GLfloat) h/(GLfloat) w);
+   else
+      gluOrtho2D (0.0, 30.0 * (GLfloat) w/(GLfloat) h, 0.0, 30.0);
+   glMatrixMode(GL_MODELVIEW);
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+}
+
+int main(int argc, char** argv)
+{
+   glutInit(&argc, argv);
+   glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB);
+   glutInitWindowSize (500, 500); 
+   glutInitWindowPosition (100, 100);
+   glutCreateWindow (argv[0]);
+   init ();
+   glutDisplayFunc(display); 
+   glutReshapeFunc(reshape);
+   glutKeyboardFunc (keyboard);
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/stencil.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/stencil.c
new file mode 100644
index 000000000..b33e40a03
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/stencil.c
@@ -0,0 +1,193 @@
+
+/* Copyright (c) Mark J. Kilgard, 1994. */
+
+/*
+ * (c) Copyright 1993, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
+ */
+/*  stencil.c
+ *  This program draws two rotated tori in a window.
+ *  A diamond in the center of the window masks out part
+ *  of the scene.  Within this mask, a different model
+ *  (a sphere) is drawn in a different color.
+ */
+
+/*
+ * !!! NOTE !!!
+ *
+ * This demo is poorly written.  The stencil buffer should be
+ * redrawn in display(), not in the myReshape() function.
+ * The reason is if the window gets "damaged" then the stencil buffer
+ * contents will be in an undefined state (myReshape is not called when
+ * a window is damaged and needs to be redrawn).  If the stencil buffer
+ * contents are undefined, the results of display() are unpredictable.
+ *
+ * -Brian
+ */
+
+
+#include <stdlib.h>
+#include <GL/glut.h>
+
+#define YELLOWMAT   1
+#define BLUEMAT 2
+
+void myinit (void)
+{
+    GLfloat yellow_diffuse[] = { 0.7, 0.7, 0.0, 1.0 };
+    GLfloat yellow_specular[] = { 1.0, 1.0, 1.0, 1.0 };
+
+    GLfloat blue_diffuse[] = { 0.1, 0.1, 0.7, 1.0 };
+    GLfloat blue_specular[] = { 0.1, 1.0, 1.0, 1.0 };
+
+    GLfloat position_one[] = { 1.0, 1.0, 1.0, 0.0 };
+
+    glNewList(YELLOWMAT, GL_COMPILE);
+    glMaterialfv(GL_FRONT, GL_DIFFUSE, yellow_diffuse);
+    glMaterialfv(GL_FRONT, GL_SPECULAR, yellow_specular);
+    glMaterialf(GL_FRONT, GL_SHININESS, 64.0);
+    glEndList();
+
+    glNewList(BLUEMAT, GL_COMPILE);
+    glMaterialfv(GL_FRONT, GL_DIFFUSE, blue_diffuse);
+    glMaterialfv(GL_FRONT, GL_SPECULAR, blue_specular);
+    glMaterialf(GL_FRONT, GL_SHININESS, 45.0);
+    glEndList();
+
+    glLightfv(GL_LIGHT0, GL_POSITION, position_one);
+
+    glEnable(GL_LIGHT0);
+    glEnable(GL_LIGHTING);
+    glDepthFunc(GL_LESS);
+    glEnable(GL_DEPTH_TEST);
+
+    glClearStencil(0x0);
+    glEnable(GL_STENCIL_TEST);
+
+}
+
+/*  Draw a sphere in a diamond-shaped section in the
+ *  middle of a window with 2 tori.
+ */
+void display(void)
+{
+    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+    glStencilOp (GL_KEEP, GL_KEEP, GL_KEEP);
+
+/* draw blue sphere where the stencil is 1 */
+    glStencilFunc (GL_EQUAL, 0x1, 0x1);
+    glCallList (BLUEMAT);
+    glutSolidSphere (0.5, 15, 15);
+
+/* draw the tori where the stencil is not 1 */
+    glStencilFunc (GL_NOTEQUAL, 0x1, 0x1);
+    glPushMatrix();
+	glRotatef (45.0, 0.0, 0.0, 1.0);
+	glRotatef (45.0, 0.0, 1.0, 0.0);
+	glCallList (YELLOWMAT);
+	glutSolidTorus (0.275, 0.85, 15, 15);
+	glPushMatrix();
+	    glRotatef (90.0, 1.0, 0.0, 0.0);
+	    glutSolidTorus (0.275, 0.85, 15, 15);
+	glPopMatrix();
+    glPopMatrix();
+
+    glFlush();
+    glutSwapBuffers();
+}
+
+/*  Whenever the window is reshaped, redefine the
+ *  coordinate system and redraw the stencil area.
+ */
+void myReshape(int w, int h)
+{
+    glViewport(0, 0, w, h);
+
+    glClear(GL_STENCIL_BUFFER_BIT);
+/* create a diamond shaped stencil area */
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glOrtho(-3.0, 3.0, -3.0, 3.0, -1.0, 1.0);
+    glMatrixMode(GL_MODELVIEW);
+    glLoadIdentity();
+
+    glStencilFunc (GL_ALWAYS, 0x1, 0x1);
+    glStencilOp (GL_REPLACE, GL_REPLACE, GL_REPLACE);
+    glBegin(GL_QUADS);
+	glVertex3f (-1.0, 0.0, 0.0);
+	glVertex3f (0.0, 1.0, 0.0);
+	glVertex3f (1.0, 0.0, 0.0);
+	glVertex3f (0.0, -1.0, 0.0);
+    glEnd();
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    gluPerspective(45.0, (GLfloat) w/(GLfloat) h, 3.0, 7.0);
+    glMatrixMode(GL_MODELVIEW);
+    glLoadIdentity();
+    glTranslatef(0.0, 0.0, -5.0);
+}
+
+static void
+key(unsigned char k, int x, int y)
+{
+  switch (k) {
+  case 27:  /* Escape */
+    exit(0);
+    break;
+  default:
+    return;
+  }
+  glutPostRedisplay();
+}
+
+/*  Main Loop
+ *  Open window with initial window size, title bar,
+ *  RGBA display mode, and handle input events.
+ */
+int main(int argc, char** argv)
+{
+    glutInit(&argc, argv);
+    glutInitDisplayMode (GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH | GLUT_STENCIL);
+    glutInitWindowSize (400, 400);
+    glutCreateWindow (argv[0]);
+    myinit ();
+    glutReshapeFunc (myReshape);
+    glutDisplayFunc(display);
+    glutKeyboardFunc(key);
+    glutMainLoop();
+    return 0;             /* ANSI C requires main to return int. */
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/stroke.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/stroke.c
new file mode 100644
index 000000000..19b0391cb
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/stroke.c
@@ -0,0 +1,195 @@
+
+/* Copyright (c) Mark J. Kilgard, 1994. */
+
+/*
+ * (c) Copyright 1993, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
+ */
+/*
+ *  stroke.c
+ *  This program demonstrates some characters of a
+ *  stroke (vector) font.  The characters are represented
+ *  by display lists, which are given numbers which
+ *  correspond to the ASCII values of the characters.
+ *  Use of glCallLists() is demonstrated.
+ */
+#include <stdlib.h>
+#include <string.h>
+#include <GL/glut.h>
+
+#define PT 1
+#define STROKE 2
+#define END 3
+
+typedef struct charpoint {
+    GLfloat   x, y;
+    int    type;
+} CP;
+
+CP Adata[] = {
+    { 0, 0, PT}, {0, 9, PT}, {1, 10, PT}, {4, 10, PT},
+    {5, 9, PT}, {5, 0, STROKE}, {0, 5, PT}, {5, 5, END}
+};
+
+CP Edata[] = {
+    {5, 0, PT}, {0, 0, PT}, {0, 10, PT}, {5, 10, STROKE},
+    {0, 5, PT}, {4, 5, END}
+};
+
+CP Pdata[] = {
+    {0, 0, PT}, {0, 10, PT},  {4, 10, PT}, {5, 9, PT}, {5, 6, PT},
+    {4, 5, PT}, {0, 5, END}
+};
+
+CP Rdata[] = {
+    {0, 0, PT}, {0, 10, PT},  {4, 10, PT}, {5, 9, PT}, {5, 6, PT},
+    {4, 5, PT}, {0, 5, STROKE}, {3, 5, PT}, {5, 0, END}
+};
+
+CP Sdata[] = {
+    {0, 1, PT}, {1, 0, PT}, {4, 0, PT}, {5, 1, PT}, {5, 4, PT},
+    {4, 5, PT}, {1, 5, PT}, {0, 6, PT}, {0, 9, PT}, {1, 10, PT},
+    {4, 10, PT}, {5, 9, END}
+};
+
+/*  drawLetter() interprets the instructions from the array
+ *  for that letter and renders the letter with line segments.
+ */
+void drawLetter(CP *l)
+{
+    glBegin(GL_LINE_STRIP);
+    for (;;) {
+	switch (l->type) {
+	    case PT:
+		glVertex2fv(&l->x);
+		break;
+	    case STROKE:
+		glVertex2fv(&l->x);
+		glEnd();
+		glBegin(GL_LINE_STRIP);
+		break;
+	    case END:
+		glVertex2fv(&l->x);
+		glEnd();
+		glTranslatef(8.0, 0.0, 0.0);
+		return;
+	}
+	l++;
+    }
+}
+
+/*  Create a display list for each of 6 characters	*/
+void myinit (void)
+{
+    GLuint base;
+
+    glShadeModel (GL_FLAT);
+
+    base = glGenLists (128);
+    glListBase(base);
+    glNewList(base+'A', GL_COMPILE); drawLetter(Adata); glEndList();
+    glNewList(base+'E', GL_COMPILE); drawLetter(Edata); glEndList();
+    glNewList(base+'P', GL_COMPILE); drawLetter(Pdata); glEndList();
+    glNewList(base+'R', GL_COMPILE); drawLetter(Rdata); glEndList();
+    glNewList(base+'S', GL_COMPILE); drawLetter(Sdata); glEndList();
+    glNewList(base+' ', GL_COMPILE); glTranslatef(8.0, 0.0, 0.0); glEndList();
+}
+
+char *test1 = "A SPARE SERAPE APPEARS AS";
+char *test2 = "APES PREPARE RARE PEPPERS";
+
+void printStrokedString(char *s)
+{
+    GLsizei len = (GLsizei) strlen(s);
+    glCallLists(len, GL_BYTE, (GLbyte *)s);
+}
+
+void display(void)
+{
+    glClear(GL_COLOR_BUFFER_BIT);
+    glColor3f(1.0, 1.0, 1.0);
+    glPushMatrix();
+    glScalef(2.0, 2.0, 2.0);
+    glTranslatef(10.0, 30.0, 0.0);
+    printStrokedString(test1);
+    glPopMatrix();
+    glPushMatrix();
+    glScalef(2.0, 2.0, 2.0);
+    glTranslatef(10.0, 13.0, 0.0);
+    printStrokedString(test2);
+    glPopMatrix();
+    glFlush();
+}
+
+static void reshape(GLsizei w, GLsizei h)
+{
+    glViewport(0, 0, w, h);
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glOrtho(0.0, (GLdouble)w, 0.0, (GLdouble)h, -1.0, 1.0);
+    glMatrixMode(GL_MODELVIEW);
+    glLoadIdentity();
+}
+
+static void
+key(unsigned char k, int x, int y)
+{
+  switch (k) {
+  case 27:  /* Escape */
+    exit(0);
+    break;
+  default:
+    return;
+  }
+  glutPostRedisplay();
+}
+
+/*  Main Loop
+ *  Open window with initial window size, title bar,
+ *  RGBA display mode, and handle input events.
+ */
+int main(int argc, char** argv)
+{
+    glutInit(&argc, argv);
+    glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB);
+    glutInitWindowSize (440, 120);
+    glutCreateWindow (argv[0]);
+    myinit ();
+    glutDisplayFunc(display);
+    glutReshapeFunc(reshape);
+    glutKeyboardFunc(key);
+    glutMainLoop();
+    return 0;             /* ANSI C requires main to return int. */
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/surface.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/surface.c
new file mode 100644
index 000000000..e33ce14f4
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/surface.c
@@ -0,0 +1,232 @@
+/* aux2glut conversion Copyright (c) Mark J. Kilgard, 1994, 1995 */
+
+/**
+ * (c) Copyright 1993, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
+ */
+/**
+ *  surface.c
+ *  This program draws a NURBS surface in the shape of a
+ *  symmetrical hill.
+ */
+#include <stdlib.h>
+#include <GL/glut.h>
+
+GLfloat ctlpoints[4][4][3];
+int showPoints = 0;
+
+GLUnurbsObj *theNurb;
+
+/*
+ *  Initializes the control points of the surface to a small hill.
+ *  The control points range from -3 to +3 in x, y, and z
+ */
+void init_surface(void)
+{
+    int u, v;
+    for (u = 0; u < 4; u++) {
+	for (v = 0; v < 4; v++) {
+	    ctlpoints[u][v][0] = 2.0*((GLfloat)u - 1.5);
+	    ctlpoints[u][v][1] = 2.0*((GLfloat)v - 1.5);
+
+	    if ( (u == 1 || u == 2) && (v == 1 || v == 2))
+		ctlpoints[u][v][2] = 7.0;
+	    else
+		ctlpoints[u][v][2] = -3.0;
+	}
+    }
+}
+
+/*  Initialize material property and depth buffer.
+ */
+void myinit(void)
+{
+    GLfloat mat_diffuse[] = { 0.7, 0.7, 0.7, 1.0 };
+    GLfloat mat_specular[] = { 1.0, 1.0, 1.0, 1.0 };
+    GLfloat mat_shininess[] = { 100.0 };
+
+    glClearColor (0.0, 0.0, 0.0, 1.0);
+    glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);
+    glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
+    glMaterialfv(GL_FRONT, GL_SHININESS, mat_shininess);
+
+    glEnable(GL_LIGHTING);
+    glEnable(GL_LIGHT0);
+    glDepthFunc(GL_LESS);
+    glEnable(GL_DEPTH_TEST);
+    glEnable(GL_AUTO_NORMAL);
+    glEnable(GL_NORMALIZE);
+
+    init_surface();
+
+    theNurb = gluNewNurbsRenderer();
+    gluNurbsProperty(theNurb, GLU_SAMPLING_TOLERANCE, 25.0);
+    gluNurbsProperty(theNurb, GLU_DISPLAY_MODE, GLU_FILL);
+
+    glMatrixMode(GL_MODELVIEW);
+    glLoadIdentity();
+    glTranslatef (0.0, 0.0, -5.0);
+}
+
+void display(void)
+{
+    GLfloat knots[8] = {0.0, 0.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0};
+    int i, j;
+
+    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+    glPushMatrix();
+    glRotatef(330.0, 1.,0.,0.);
+    glScalef (0.25, 0.25, 0.25);
+
+    gluBeginSurface(theNurb);
+    gluNurbsSurface(theNurb,
+	    8, knots,
+	    8, knots,
+	    4 * 3,
+	    3,
+	    &ctlpoints[0][0][0],
+	    4, 4,
+	    GL_MAP2_VERTEX_3);
+    gluEndSurface(theNurb);
+
+    if(showPoints) {
+    glPointSize(5.0);
+    glDisable(GL_LIGHTING);
+    glColor3f(1.0, 1.0, 0.0);
+    glBegin(GL_POINTS);
+    for(i=0;i<4;i++) {
+      for(j=0;j<4;j++) {
+	glVertex3f(ctlpoints[i][j][0], ctlpoints[i][j][1], ctlpoints[i][j][2]);
+      }
+    }
+    glEnd();
+    glEnable(GL_LIGHTING);
+    }
+
+    glPopMatrix();
+    glutSwapBuffers();
+}
+
+void reshape(int w, int h)
+{
+    glViewport(0, 0, w, h);
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    gluPerspective (45.0, (GLdouble)w/(GLdouble)h, 3.0, 8.0);
+
+    glMatrixMode(GL_MODELVIEW);
+}
+
+void
+menu(int value)
+{
+    switch (value) {
+    case 0:
+    case 1:
+        showPoints = value;
+	break;
+    case 2:
+        gluNurbsProperty(theNurb, GLU_DISPLAY_MODE, GLU_FILL);
+	break;
+    case 3:
+        gluNurbsProperty(theNurb, GLU_DISPLAY_MODE, GLU_OUTLINE_POLYGON);
+	break;
+    }
+    glutPostRedisplay();
+}
+
+int down = 0, lastx;
+
+/* ARGSUSED1 */
+void
+motion(int x, int y)
+{
+    if (down) {
+        glRotatef(lastx - x, 0, 1, 0);
+        lastx = x;
+        glutPostRedisplay();
+    }
+}
+
+/* ARGSUSED3 */
+void
+mouse(int button, int state, int x, int y)
+{
+    if (button == GLUT_LEFT_BUTTON) {
+        if (state == GLUT_DOWN) {
+            lastx = x;
+            down = 1;
+        } else {
+            down = 0;
+        }
+    }
+}
+
+static void
+key(unsigned char k, int x, int y)
+{
+  switch (k) {
+  case 27:  /* Escape */
+    exit(0);
+    break;
+  default:
+    return;
+  }
+  glutPostRedisplay();
+}
+
+/* Main Loop */
+int
+main(int argc, char** argv)
+{
+    glutInit(&argc, argv);
+    glutInitDisplayMode(GLUT_DEPTH | GLUT_DOUBLE | GLUT_RGB);
+    glutCreateWindow(argv[0]);
+    myinit();
+    glutReshapeFunc(reshape);
+    glutDisplayFunc(display);
+    glutCreateMenu(menu);
+    glutAddMenuEntry("Show control points", 1);
+    glutAddMenuEntry("Hide control points", 0);
+    glutAddMenuEntry("Solid", 2);
+    glutAddMenuEntry("Wireframe", 3);
+    glutAttachMenu(GLUT_RIGHT_BUTTON);
+    glutMouseFunc(mouse);
+    glutMotionFunc(motion);
+    glutKeyboardFunc(key);
+    glutMainLoop();
+    return 0;             /* ANSI C requires main to return int. */
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/teaambient.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/teaambient.c
new file mode 100644
index 000000000..53b511175
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/teaambient.c
@@ -0,0 +1,162 @@
+
+/* Copyright (c) Mark J. Kilgard, 1994. */
+
+/**
+ * (c) Copyright 1993, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
+ */
+/**
+ *  teaambient.c
+ *  This program renders three lighted, shaded teapots, with
+ *  different ambient values.
+ */
+#include <stdlib.h>
+#include <GL/glut.h>
+
+/*  Initialize light source and lighting model.
+ */
+void
+myinit(void)
+{
+    GLfloat light_ambient[] =
+    {0.0, 0.0, 0.0, 1.0};
+    GLfloat light_diffuse[] =
+    {1.0, 1.0, 1.0, 1.0};
+    GLfloat light_specular[] =
+    {1.0, 1.0, 1.0, 1.0};
+/* light_position is NOT default value */
+    GLfloat light_position[] =
+    {1.0, 0.0, 0.0, 0.0};
+    GLfloat global_ambient[] =
+    {0.75, 0.75, 0.75, 1.0};
+
+    glLightfv(GL_LIGHT0, GL_AMBIENT, light_ambient);
+    glLightfv(GL_LIGHT0, GL_DIFFUSE, light_diffuse);
+    glLightfv(GL_LIGHT0, GL_SPECULAR, light_specular);
+    glLightfv(GL_LIGHT0, GL_POSITION, light_position);
+
+    glLightModelfv(GL_LIGHT_MODEL_AMBIENT, global_ambient);
+
+    glFrontFace(GL_CW);
+    glEnable(GL_LIGHTING);
+    glEnable(GL_LIGHT0);
+    glEnable(GL_AUTO_NORMAL);
+    glEnable(GL_NORMALIZE);
+    glDepthFunc(GL_LESS);
+    glEnable(GL_DEPTH_TEST);
+}
+
+void
+display(void)
+{
+    GLfloat low_ambient[] =
+    {0.1, 0.1, 0.1, 1.0};
+    GLfloat more_ambient[] =
+    {0.4, 0.4, 0.4, 1.0};
+    GLfloat most_ambient[] =
+    {1.0, 1.0, 1.0, 1.0};
+
+    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+    /*  material has small ambient reflection */
+    glMaterialfv(GL_FRONT, GL_AMBIENT, low_ambient);
+    glMaterialf(GL_FRONT, GL_SHININESS, 40.0);
+    glPushMatrix();
+    glTranslatef(0.0, 2.0, 0.0);
+    glutSolidTeapot(1.0);
+    glPopMatrix();
+
+    /*  material has moderate ambient reflection */
+    glMaterialfv(GL_FRONT, GL_AMBIENT, more_ambient);
+    glPushMatrix();
+    glTranslatef(0.0, 0.0, 0.0);
+    glutSolidTeapot(1.0);
+    glPopMatrix();
+
+    /*  material has large ambient reflection */
+    glMaterialfv(GL_FRONT, GL_AMBIENT, most_ambient);
+    glPushMatrix();
+    glTranslatef(0.0, -2.0, 0.0);
+    glutSolidTeapot(1.0);
+    glPopMatrix();
+    glFlush();
+}
+
+void
+myReshape(int w, int h)
+{
+    glViewport(0, 0, w, h);
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    if (w <= h)
+        glOrtho(-4.0, 4.0, -4.0 * (GLfloat) h / (GLfloat) w,
+            4.0 * (GLfloat) h / (GLfloat) w, -10.0, 10.0);
+    else
+        glOrtho(-4.0 * (GLfloat) w / (GLfloat) h,
+            4.0 * (GLfloat) w / (GLfloat) h, -4.0, 4.0, -10.0, 10.0);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void
+key(unsigned char k, int x, int y)
+{
+  switch (k) {
+  case 27:  /* Escape */
+    exit(0);
+    break;
+  default:
+    return;
+  }
+  glutPostRedisplay();
+}
+
+/*  Main Loop
+ *  Open window with initial window size, title bar,
+ *  RGBA display mode, and handle input events.
+ */
+int
+main(int argc, char **argv)
+{
+    glutInit(&argc, argv);
+    glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
+    glutInitWindowSize(500, 500);
+    glutCreateWindow(argv[0]);
+    myinit();
+    glutReshapeFunc(myReshape);
+    glutDisplayFunc(display);
+    glutKeyboardFunc(key);
+    glutMainLoop();
+    return 0;             /* ANSI C requires main to return int. */
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/teapots.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/teapots.c
new file mode 100644
index 000000000..fb7aed380
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/teapots.c
@@ -0,0 +1,220 @@
+
+/* Copyright (c) Mark J. Kilgard, 1994. */
+
+/**
+ * (c) Copyright 1993, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
+ */
+/**
+ *  teapots.c
+ *  This program demonstrates lots of material properties.
+ *  A single light source illuminates the objects.
+ */
+#include <stdlib.h>
+#include <GL/glut.h>
+
+/*
+ * Initialize depth buffer, projection matrix, light source, and lighting
+ * model.  Do not specify a material property here.
+ */
+void
+myinit(void)
+{
+  GLfloat ambient[] =
+  {0.0, 0.0, 0.0, 1.0};
+  GLfloat diffuse[] =
+  {1.0, 1.0, 1.0, 1.0};
+  GLfloat position[] =
+  {0.0, 3.0, 3.0, 0.0};
+
+  GLfloat lmodel_ambient[] =
+  {0.2, 0.2, 0.2, 1.0};
+  GLfloat local_view[] =
+  {0.0};
+
+  glLightfv(GL_LIGHT0, GL_AMBIENT, ambient);
+  glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse);
+  glLightfv(GL_LIGHT0, GL_POSITION, position);
+  glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
+  glLightModelfv(GL_LIGHT_MODEL_LOCAL_VIEWER, local_view);
+
+  glFrontFace(GL_CW);
+  glEnable(GL_LIGHTING);
+  glEnable(GL_LIGHT0);
+  glEnable(GL_AUTO_NORMAL);
+  glEnable(GL_NORMALIZE);
+  glEnable(GL_DEPTH_TEST);
+  glDepthFunc(GL_LESS);
+}
+
+/*
+ * Move object into position.  Use 3rd through 12th parameters to specify the
+ * material property.  Draw a teapot.
+ */
+void
+renderTeapot(GLfloat x, GLfloat y,
+  GLfloat ambr, GLfloat ambg, GLfloat ambb,
+  GLfloat difr, GLfloat difg, GLfloat difb,
+  GLfloat specr, GLfloat specg, GLfloat specb, GLfloat shine)
+{
+  float mat[4];
+
+  glPushMatrix();
+  glTranslatef(x, y, 0.0);
+  mat[0] = ambr;
+  mat[1] = ambg;
+  mat[2] = ambb;
+  mat[3] = 1.0;
+  glMaterialfv(GL_FRONT, GL_AMBIENT, mat);
+  mat[0] = difr;
+  mat[1] = difg;
+  mat[2] = difb;
+  glMaterialfv(GL_FRONT, GL_DIFFUSE, mat);
+  mat[0] = specr;
+  mat[1] = specg;
+  mat[2] = specb;
+  glMaterialfv(GL_FRONT, GL_SPECULAR, mat);
+  glMaterialf(GL_FRONT, GL_SHININESS, shine * 128.0);
+  glutSolidTeapot(1.0);
+  glPopMatrix();
+}
+
+/**
+ *  First column:  emerald, jade, obsidian, pearl, ruby, turquoise
+ *  2nd column:  brass, bronze, chrome, copper, gold, silver
+ *  3rd column:  black, cyan, green, red, white, yellow plastic
+ *  4th column:  black, cyan, green, red, white, yellow rubber
+ */
+void
+display(void)
+{
+  glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+  renderTeapot(2.0, 17.0, 0.0215, 0.1745, 0.0215,
+    0.07568, 0.61424, 0.07568, 0.633, 0.727811, 0.633, 0.6);
+  renderTeapot(2.0, 14.0, 0.135, 0.2225, 0.1575,
+    0.54, 0.89, 0.63, 0.316228, 0.316228, 0.316228, 0.1);
+  renderTeapot(2.0, 11.0, 0.05375, 0.05, 0.06625,
+    0.18275, 0.17, 0.22525, 0.332741, 0.328634, 0.346435, 0.3);
+  renderTeapot(2.0, 8.0, 0.25, 0.20725, 0.20725,
+    1, 0.829, 0.829, 0.296648, 0.296648, 0.296648, 0.088);
+  renderTeapot(2.0, 5.0, 0.1745, 0.01175, 0.01175,
+    0.61424, 0.04136, 0.04136, 0.727811, 0.626959, 0.626959, 0.6);
+  renderTeapot(2.0, 2.0, 0.1, 0.18725, 0.1745,
+    0.396, 0.74151, 0.69102, 0.297254, 0.30829, 0.306678, 0.1);
+  renderTeapot(6.0, 17.0, 0.329412, 0.223529, 0.027451,
+    0.780392, 0.568627, 0.113725, 0.992157, 0.941176, 0.807843,
+    0.21794872);
+  renderTeapot(6.0, 14.0, 0.2125, 0.1275, 0.054,
+    0.714, 0.4284, 0.18144, 0.393548, 0.271906, 0.166721, 0.2);
+  renderTeapot(6.0, 11.0, 0.25, 0.25, 0.25,
+    0.4, 0.4, 0.4, 0.774597, 0.774597, 0.774597, 0.6);
+  renderTeapot(6.0, 8.0, 0.19125, 0.0735, 0.0225,
+    0.7038, 0.27048, 0.0828, 0.256777, 0.137622, 0.086014, 0.1);
+  renderTeapot(6.0, 5.0, 0.24725, 0.1995, 0.0745,
+    0.75164, 0.60648, 0.22648, 0.628281, 0.555802, 0.366065, 0.4);
+  renderTeapot(6.0, 2.0, 0.19225, 0.19225, 0.19225,
+    0.50754, 0.50754, 0.50754, 0.508273, 0.508273, 0.508273, 0.4);
+  renderTeapot(10.0, 17.0, 0.0, 0.0, 0.0, 0.01, 0.01, 0.01,
+    0.50, 0.50, 0.50, .25);
+  renderTeapot(10.0, 14.0, 0.0, 0.1, 0.06, 0.0, 0.50980392, 0.50980392,
+    0.50196078, 0.50196078, 0.50196078, .25);
+  renderTeapot(10.0, 11.0, 0.0, 0.0, 0.0,
+    0.1, 0.35, 0.1, 0.45, 0.55, 0.45, .25);
+  renderTeapot(10.0, 8.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.0,
+    0.7, 0.6, 0.6, .25);
+  renderTeapot(10.0, 5.0, 0.0, 0.0, 0.0, 0.55, 0.55, 0.55,
+    0.70, 0.70, 0.70, .25);
+  renderTeapot(10.0, 2.0, 0.0, 0.0, 0.0, 0.5, 0.5, 0.0,
+    0.60, 0.60, 0.50, .25);
+  renderTeapot(14.0, 17.0, 0.02, 0.02, 0.02, 0.01, 0.01, 0.01,
+    0.4, 0.4, 0.4, .078125);
+  renderTeapot(14.0, 14.0, 0.0, 0.05, 0.05, 0.4, 0.5, 0.5,
+    0.04, 0.7, 0.7, .078125);
+  renderTeapot(14.0, 11.0, 0.0, 0.05, 0.0, 0.4, 0.5, 0.4,
+    0.04, 0.7, 0.04, .078125);
+  renderTeapot(14.0, 8.0, 0.05, 0.0, 0.0, 0.5, 0.4, 0.4,
+    0.7, 0.04, 0.04, .078125);
+  renderTeapot(14.0, 5.0, 0.05, 0.05, 0.05, 0.5, 0.5, 0.5,
+    0.7, 0.7, 0.7, .078125);
+  renderTeapot(14.0, 2.0, 0.05, 0.05, 0.0, 0.5, 0.5, 0.4,
+    0.7, 0.7, 0.04, .078125);
+  glFlush();
+}
+
+void
+myReshape(int w, int h)
+{
+  glViewport(0, 0, w, h);
+  glMatrixMode(GL_PROJECTION);
+  glLoadIdentity();
+  if (w <= h)
+    glOrtho(0.0, 16.0, 0.0, 18.0 * (GLfloat) h / (GLfloat) w,
+      -10.0, 10.0);
+  else
+    glOrtho(0.0, 16.0 * (GLfloat) w / (GLfloat) h, 0.0, 18.0,
+      -10.0, 10.0);
+  glMatrixMode(GL_MODELVIEW);
+}
+
+static void
+key(unsigned char k, int x, int y)
+{
+  switch (k) {
+  case 27:  /* Escape */
+    exit(0);
+    break;
+  default:
+    return;
+  }
+  glutPostRedisplay();
+}
+
+/*
+ * Main Loop Open window with initial window size, title bar, RGBA display
+ * mode, and handle input events.
+ */
+int
+main(int argc, char **argv)
+{
+  glutInit(&argc, argv);
+  glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
+  glutCreateWindow(argv[0]);
+  myinit();
+  glutReshapeFunc(myReshape);
+  glutDisplayFunc(display);
+  glutKeyboardFunc(key);
+  glutMainLoop();
+  return 0;             /* ANSI C requires main to return int. */
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/tess.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/tess.c
new file mode 100644
index 000000000..238a469af
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/tess.c
@@ -0,0 +1,241 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ *  tess.c
+ *  This program demonstrates polygon tessellation.
+ *  Two tesselated objects are drawn.  The first is a
+ *  rectangle with a triangular hole.  The second is a
+ *  smooth shaded, self-intersecting star.
+ *
+ *  Note the exterior rectangle is drawn with its vertices
+ *  in counter-clockwise order, but its interior clockwise.
+ *  Note the combineCallback is needed for the self-intersecting
+ *  star.  Also note that removing the TessProperty for the
+ *  star will make the interior unshaded (WINDING_ODD).
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#ifdef GLU_VERSION_1_2
+
+/* Win32 calling conventions. */
+#ifndef CALLBACK
+#define CALLBACK
+#endif
+
+GLuint startList;
+
+void display (void) {
+   glClear(GL_COLOR_BUFFER_BIT);
+   glColor3f(1.0, 1.0, 1.0);
+   glCallList(startList);
+   glCallList(startList + 1);
+   glFlush();
+}
+
+void CALLBACK beginCallback(GLenum which)
+{
+   glBegin(which);
+}
+
+void CALLBACK errorCallback(GLenum errorCode)
+{
+   const GLubyte *estring;
+
+   estring = gluErrorString(errorCode);
+   fprintf(stderr, "Tessellation Error: %s\n", (char *) estring);
+   exit(0);
+}
+
+void CALLBACK endCallback(void)
+{
+   glEnd();
+}
+
+void CALLBACK vertexCallback(GLvoid *vertex)
+{
+   const GLdouble *pointer;
+
+   pointer = (GLdouble *) vertex;
+   glColor3dv(pointer+3);
+   glVertex3dv(pointer);
+}
+
+/*  combineCallback is used to create a new vertex when edges
+ *  intersect.  coordinate location is trivial to calculate,
+ *  but weight[4] may be used to average color, normal, or texture
+ *  coordinate data.  In this program, color is weighted.
+ */
+void CALLBACK combineCallback(GLdouble coords[3],
+                     GLdouble *vertex_data[4],
+                     GLfloat weight[4], GLdouble **dataOut )
+{
+   GLdouble *vertex;
+   int i;
+
+   vertex = (GLdouble *) malloc(6 * sizeof(GLdouble));
+
+   vertex[0] = coords[0];
+   vertex[1] = coords[1];
+   vertex[2] = coords[2];
+   for (i = 3; i < 6; i++)
+      vertex[i] = weight[0] * vertex_data[0][i]
+                  + weight[1] * vertex_data[1][i]
+                  + weight[2] * vertex_data[2][i]
+                  + weight[3] * vertex_data[3][i];
+   *dataOut = vertex;
+}
+
+void init (void)
+{
+   GLUtesselator *tobj;
+   GLdouble rect[4][3] = {{50.0, 50.0, 0.0},
+                          {200.0, 50.0, 0.0},
+                          {200.0, 200.0, 0.0},
+                          {50.0, 200.0, 0.0}};
+   GLdouble tri[3][3] = {{75.0, 75.0, 0.0},
+                         {125.0, 175.0, 0.0},
+                         {175.0, 75.0, 0.0}};
+   GLdouble star[5][6] = {{250.0, 50.0, 0.0, 1.0, 0.0, 1.0},
+                          {325.0, 200.0, 0.0, 1.0, 1.0, 0.0},
+                          {400.0, 50.0, 0.0, 0.0, 1.0, 1.0},
+                          {250.0, 150.0, 0.0, 1.0, 0.0, 0.0},
+                          {400.0, 150.0, 0.0, 0.0, 1.0, 0.0}};
+
+   glClearColor(0.0, 0.0, 0.0, 0.0);
+
+   startList = glGenLists(2);
+
+   tobj = gluNewTess();
+   gluTessCallback(tobj, GLU_TESS_VERTEX,
+                   (GLvoid (CALLBACK*) ()) &glVertex3dv);
+   gluTessCallback(tobj, GLU_TESS_BEGIN,
+                   (GLvoid (CALLBACK*) ()) &beginCallback);
+   gluTessCallback(tobj, GLU_TESS_END,
+                   (GLvoid (CALLBACK*) ()) &endCallback);
+   gluTessCallback(tobj, GLU_TESS_ERROR,
+                   (GLvoid (CALLBACK*) ()) &errorCallback);
+
+   /*  rectangle with triangular hole inside  */
+   glNewList(startList, GL_COMPILE);
+   glShadeModel(GL_FLAT);
+   gluTessBeginPolygon(tobj, NULL);
+      gluTessBeginContour(tobj);
+         gluTessVertex(tobj, rect[0], rect[0]);
+         gluTessVertex(tobj, rect[1], rect[1]);
+         gluTessVertex(tobj, rect[2], rect[2]);
+         gluTessVertex(tobj, rect[3], rect[3]);
+      gluTessEndContour(tobj);
+      gluTessBeginContour(tobj);
+         gluTessVertex(tobj, tri[0], tri[0]);
+         gluTessVertex(tobj, tri[1], tri[1]);
+         gluTessVertex(tobj, tri[2], tri[2]);
+      gluTessEndContour(tobj);
+   gluTessEndPolygon(tobj);
+   glEndList();
+
+   gluTessCallback(tobj, GLU_TESS_VERTEX,
+                   (GLvoid (CALLBACK*) ()) &vertexCallback);
+   gluTessCallback(tobj, GLU_TESS_BEGIN,
+                   (GLvoid (CALLBACK*) ()) &beginCallback);
+   gluTessCallback(tobj, GLU_TESS_END,
+                   (GLvoid (CALLBACK*) ()) &endCallback);
+   gluTessCallback(tobj, GLU_TESS_ERROR,
+                   (GLvoid (CALLBACK*) ()) &errorCallback);
+   gluTessCallback(tobj, GLU_TESS_COMBINE,
+                   (GLvoid (CALLBACK*) ()) &combineCallback);
+
+   /*  smooth shaded, self-intersecting star  */
+   glNewList(startList + 1, GL_COMPILE);
+   glShadeModel(GL_SMOOTH);
+   gluTessProperty(tobj, GLU_TESS_WINDING_RULE,
+                   GLU_TESS_WINDING_POSITIVE);
+   gluTessBeginPolygon(tobj, NULL);
+      gluTessBeginContour(tobj);
+         gluTessVertex(tobj, star[0], star[0]);
+         gluTessVertex(tobj, star[1], star[1]);
+         gluTessVertex(tobj, star[2], star[2]);
+         gluTessVertex(tobj, star[3], star[3]);
+         gluTessVertex(tobj, star[4], star[4]);
+      gluTessEndContour(tobj);
+   gluTessEndPolygon(tobj);
+   glEndList();
+   gluDeleteTess(tobj);
+}
+
+void reshape (int w, int h)
+{
+   glViewport(0, 0, (GLsizei) w, (GLsizei) h);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   gluOrtho2D(0.0, (GLdouble) w, 0.0, (GLdouble) h);
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+}
+
+int main(int argc, char** argv)
+{
+   glutInit(&argc, argv);
+   glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB);
+   glutInitWindowSize(500, 500);
+   glutCreateWindow(argv[0]);
+   init();
+   glutDisplayFunc(display);
+   glutReshapeFunc(reshape);
+   glutKeyboardFunc(keyboard);
+   glutMainLoop();
+   return 0;
+}
+
+#else
+int main(int argc, char** argv)
+{
+    fprintf (stderr, "This program demonstrates the new tesselator API in GLU 1.2.\n");
+    fprintf (stderr, "Your GLU library does not support this new interface, sorry.\n");
+    return 0;
+}
+#endif
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/tesswind.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/tesswind.c
new file mode 100644
index 000000000..7d00c9f90
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/tesswind.c
@@ -0,0 +1,290 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED 
+ * Permission to use, copy, modify, and distribute this software for 
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that 
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission. 
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ * 
+ * US Government Users Restricted Rights 
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ *  tesswind.c
+ *  This program demonstrates the winding rule polygon 
+ *  tessellation property.  Four tessellated objects are drawn, 
+ *  each with very different contours.  When the w key is pressed, 
+ *  the objects are drawn with a different winding rule.
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#ifdef GLU_VERSION_1_2
+
+/* Win32 calling conventions. */
+#ifndef CALLBACK
+#define CALLBACK
+#endif
+
+GLdouble currentWinding = GLU_TESS_WINDING_ODD;
+int currentShape = 0;
+GLUtesselator *tobj;
+GLuint list;
+
+/*  Make four display lists, 
+ *  each with a different tessellated object. 
+ */
+void makeNewLists (void) {
+   int i;
+   static GLdouble rects[12][3] = 
+      {{ 50.0,  50.0, 0.0}, {300.0,  50.0, 0.0}, 
+       {300.0, 300.0, 0.0}, { 50.0, 300.0, 0.0},
+       {100.0, 100.0, 0.0}, {250.0, 100.0, 0.0}, 
+       {250.0, 250.0, 0.0}, {100.0, 250.0, 0.0},
+       {150.0, 150.0, 0.0}, {200.0, 150.0, 0.0}, 
+       {200.0, 200.0, 0.0}, {150.0, 200.0, 0.0}};
+   static GLdouble spiral[16][3] = 
+      {{400.0, 250.0, 0.0}, {400.0,  50.0, 0.0}, 
+       { 50.0,  50.0, 0.0}, { 50.0, 400.0, 0.0}, 
+       {350.0, 400.0, 0.0}, {350.0, 100.0, 0.0}, 
+       {100.0, 100.0, 0.0}, {100.0, 350.0, 0.0}, 
+       {300.0, 350.0, 0.0}, {300.0, 150.0, 0.0}, 
+       {150.0, 150.0, 0.0}, {150.0, 300.0, 0.0}, 
+       {250.0, 300.0, 0.0}, {250.0, 200.0, 0.0}, 
+       {200.0, 200.0, 0.0}, {200.0, 250.0, 0.0}};
+   static GLdouble quad1[4][3] = 
+      {{ 50.0, 150.0, 0.0}, {350.0, 150.0, 0.0}, 
+       {350.0, 200.0, 0.0}, { 50.0, 200.0, 0.0}};
+   static GLdouble quad2[4][3] =
+      {{100.0, 100.0, 0.0}, {300.0, 100.0, 0.0}, 
+       {300.0, 350.0, 0.0}, {100.0, 350.0, 0.0}};
+   static GLdouble tri[3][3] =
+      {{200.0, 50.0, 0.0}, {250.0, 300.0, 0.0},
+       {150.0, 300.0, 0.0}};
+ 
+   gluTessProperty(tobj, GLU_TESS_WINDING_RULE, 
+                   currentWinding);
+
+   glNewList(list, GL_COMPILE);
+      gluTessBeginPolygon(tobj, NULL);
+         gluTessBeginContour(tobj);
+         for (i = 0; i < 4; i++)
+            gluTessVertex(tobj, rects[i], rects[i]);
+         gluTessEndContour(tobj);
+         gluTessBeginContour(tobj);
+         for (i = 4; i < 8; i++)
+            gluTessVertex(tobj, rects[i], rects[i]);
+         gluTessEndContour(tobj);
+         gluTessBeginContour(tobj);
+         for (i = 8; i < 12; i++)
+            gluTessVertex(tobj, rects[i], rects[i]);
+         gluTessEndContour(tobj);
+      gluTessEndPolygon(tobj);
+   glEndList();
+
+   glNewList(list+1, GL_COMPILE);
+      gluTessBeginPolygon(tobj, NULL);
+         gluTessBeginContour(tobj);
+         for (i = 0; i < 4; i++)
+            gluTessVertex(tobj, rects[i], rects[i]);
+         gluTessEndContour(tobj);
+         gluTessBeginContour(tobj);
+         for (i = 7; i >= 4; i--)
+            gluTessVertex(tobj, rects[i], rects[i]);
+         gluTessEndContour(tobj);
+         gluTessBeginContour(tobj);
+         for (i = 11; i >= 8; i--)
+            gluTessVertex(tobj, rects[i], rects[i]);
+         gluTessEndContour(tobj);
+      gluTessEndPolygon(tobj);
+   glEndList();
+
+   glNewList(list+2, GL_COMPILE);
+      gluTessBeginPolygon(tobj, NULL);
+         gluTessBeginContour(tobj);
+         for (i = 0; i < 16; i++)
+            gluTessVertex(tobj, spiral[i], spiral[i]);
+         gluTessEndContour(tobj);
+      gluTessEndPolygon(tobj);
+   glEndList();
+
+   glNewList(list+3, GL_COMPILE);
+      gluTessBeginPolygon(tobj, NULL);
+         gluTessBeginContour(tobj);
+         for (i = 0; i < 4; i++)
+            gluTessVertex(tobj, quad1[i], quad1[i]);
+         gluTessEndContour(tobj);
+         gluTessBeginContour(tobj);
+         for (i = 0; i < 4; i++)
+            gluTessVertex(tobj, quad2[i], quad2[i]);
+         gluTessEndContour(tobj);
+         gluTessBeginContour(tobj);
+         for (i = 0; i < 3; i++)
+            gluTessVertex(tobj, tri[i], tri[i]);
+         gluTessEndContour(tobj);
+      gluTessEndPolygon(tobj);
+   glEndList();
+}
+
+void display (void) {
+   glClear(GL_COLOR_BUFFER_BIT);
+   glColor3f(1.0, 1.0, 1.0);
+   glPushMatrix(); 
+   glCallList(list);
+   glTranslatef(0.0, 500.0, 0.0);
+   glCallList(list+1);
+   glTranslatef(500.0, -500.0, 0.0);
+   glCallList(list+2);
+   glTranslatef(0.0, 500.0, 0.0);
+   glCallList(list+3);
+   glPopMatrix(); 
+   glFlush();
+}
+
+void CALLBACK beginCallback(GLenum which)
+{
+   glBegin(which);
+}
+
+void CALLBACK errorCallback(GLenum errorCode)
+{
+   const GLubyte *estring;
+
+   estring = gluErrorString(errorCode);
+   fprintf(stderr, "Tessellation Error: %s\n", (char *) estring);
+   exit(0);
+}
+
+void CALLBACK endCallback(void)
+{
+   glEnd();
+}
+
+/*  combineCallback is used to create a new vertex when edges
+ *  intersect.  coordinate location is trivial to calculate,
+ *  but weight[4] may be used to average color, normal, or texture 
+ *  coordinate data.
+ */
+/* ARGSUSED */
+void CALLBACK combineCallback(GLdouble coords[3], GLdouble *data[4],
+                     GLfloat weight[4], GLdouble **dataOut )
+{
+   GLdouble *vertex;
+   vertex = (GLdouble *) malloc(3 * sizeof(GLdouble));
+
+   vertex[0] = coords[0];
+   vertex[1] = coords[1];
+   vertex[2] = coords[2];
+   *dataOut = vertex;
+}
+
+void init(void) 
+{
+   glClearColor(0.0, 0.0, 0.0, 0.0);
+   glShadeModel(GL_FLAT);    
+
+   tobj = gluNewTess();
+   gluTessCallback(tobj, GLU_TESS_VERTEX, 
+                   (GLvoid (CALLBACK*) ()) &glVertex3dv);
+   gluTessCallback(tobj, GLU_TESS_BEGIN, 
+                   (GLvoid (CALLBACK*) ()) &beginCallback);
+   gluTessCallback(tobj, GLU_TESS_END, 
+                   (GLvoid (CALLBACK*) ()) &endCallback);
+   gluTessCallback(tobj, GLU_TESS_ERROR, 
+                   (GLvoid (CALLBACK*) ()) &errorCallback);
+   gluTessCallback(tobj, GLU_TESS_COMBINE, 
+                   (GLvoid (CALLBACK*) ()) &combineCallback);
+
+   list = glGenLists(4);
+   makeNewLists();
+}
+
+void reshape(int w, int h)
+{
+   glViewport(0, 0, (GLsizei) w, (GLsizei) h);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   if (w <= h)
+      gluOrtho2D(0.0, 1000.0, 0.0, 1000.0 * (GLdouble)h/(GLdouble)w);
+   else
+      gluOrtho2D(0.0, 1000.0 * (GLdouble)w/(GLdouble)h, 0.0, 1000.0);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+   switch (key) {
+      case 'w':
+      case 'W':
+         if (currentWinding == GLU_TESS_WINDING_ODD)
+            currentWinding = GLU_TESS_WINDING_NONZERO;
+         else if (currentWinding == GLU_TESS_WINDING_NONZERO)
+            currentWinding = GLU_TESS_WINDING_POSITIVE;
+         else if (currentWinding == GLU_TESS_WINDING_POSITIVE)
+            currentWinding = GLU_TESS_WINDING_NEGATIVE;
+         else if (currentWinding == GLU_TESS_WINDING_NEGATIVE)
+            currentWinding = GLU_TESS_WINDING_ABS_GEQ_TWO;
+         else if (currentWinding == GLU_TESS_WINDING_ABS_GEQ_TWO)
+            currentWinding = GLU_TESS_WINDING_ODD;
+         makeNewLists();
+         glutPostRedisplay();
+         break;
+      case 27:
+         exit(0);
+         break;
+      default:
+         break;
+   }
+}
+
+int main(int argc, char** argv)
+{
+   glutInit(&argc, argv);
+   glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB);
+   glutInitWindowSize(500, 500);
+   glutCreateWindow(argv[0]);
+   init();
+   glutDisplayFunc(display);
+   glutReshapeFunc(reshape);
+   glutKeyboardFunc(keyboard);
+   glutMainLoop();
+   return 0;  
+}
+
+#else
+int main(int argc, char** argv)
+{
+    fprintf (stderr, "This program demonstrates the new tesselator API in GLU 1.2.\n");
+    fprintf (stderr, "Your GLU library does not support this new interface, sorry.\n");
+    return 0;
+}
+#endif
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/texbind.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/texbind.c
new file mode 100644
index 000000000..6a828ab2b
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/texbind.c
@@ -0,0 +1,171 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*  texbind.c
+ *  This program demonstrates using glBindTexture() by
+ *  creating and managing two textures.
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#ifdef GL_VERSION_1_1
+/*	Create checkerboard texture	*/
+#define	checkImageWidth 64
+#define	checkImageHeight 64
+static GLubyte checkImage[checkImageHeight][checkImageWidth][4];
+static GLubyte otherImage[checkImageHeight][checkImageWidth][4];
+
+static GLuint texName[2];
+
+void makeCheckImages(void)
+{
+   int i, j, c;
+
+   for (i = 0; i < checkImageHeight; i++) {
+      for (j = 0; j < checkImageWidth; j++) {
+         c = ((((i&0x8)==0)^((j&0x8)==0)))*255;
+         checkImage[i][j][0] = (GLubyte) c;
+         checkImage[i][j][1] = (GLubyte) c;
+         checkImage[i][j][2] = (GLubyte) c;
+         checkImage[i][j][3] = (GLubyte) 255;
+         c = ((((i&0x10)==0)^((j&0x10)==0)))*255;
+         otherImage[i][j][0] = (GLubyte) c;
+         otherImage[i][j][1] = (GLubyte) 0;
+         otherImage[i][j][2] = (GLubyte) 0;
+         otherImage[i][j][3] = (GLubyte) 255;
+      }
+   }
+}
+
+void init(void)
+{
+   glClearColor (0.0, 0.0, 0.0, 0.0);
+   glShadeModel(GL_FLAT);
+   glEnable(GL_DEPTH_TEST);
+
+   makeCheckImages();
+   glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+
+   glGenTextures(2, texName);
+   glBindTexture(GL_TEXTURE_2D, texName[0]);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER,
+                   GL_NEAREST);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
+                   GL_NEAREST);
+   glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, checkImageWidth,
+                checkImageHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE,
+                checkImage);
+
+   glBindTexture(GL_TEXTURE_2D, texName[1]);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+   glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
+   glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, checkImageWidth,
+                checkImageHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE,
+                otherImage);
+   glEnable(GL_TEXTURE_2D);
+}
+
+void display(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+   glBindTexture(GL_TEXTURE_2D, texName[0]);
+   glBegin(GL_QUADS);
+   glTexCoord2f(0.0, 0.0); glVertex3f(-2.0, -1.0, 0.0);
+   glTexCoord2f(0.0, 1.0); glVertex3f(-2.0, 1.0, 0.0);
+   glTexCoord2f(1.0, 1.0); glVertex3f(0.0, 1.0, 0.0);
+   glTexCoord2f(1.0, 0.0); glVertex3f(0.0, -1.0, 0.0);
+   glEnd();
+   glBindTexture(GL_TEXTURE_2D, texName[1]);
+   glBegin(GL_QUADS);
+   glTexCoord2f(0.0, 0.0); glVertex3f(1.0, -1.0, 0.0);
+   glTexCoord2f(0.0, 1.0); glVertex3f(1.0, 1.0, 0.0);
+   glTexCoord2f(1.0, 1.0); glVertex3f(2.41421, 1.0, -1.41421);
+   glTexCoord2f(1.0, 0.0); glVertex3f(2.41421, -1.0, -1.41421);
+   glEnd();
+   glFlush();
+}
+
+void reshape(int w, int h)
+{
+   glViewport(0, 0, (GLsizei) w, (GLsizei) h);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   gluPerspective(60.0, (GLfloat) w/(GLfloat) h, 1.0, 30.0);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glTranslatef(0.0, 0.0, -3.6);
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+}
+
+int main(int argc, char** argv)
+{
+   glutInit(&argc, argv);
+   glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
+   glutInitWindowSize(250, 250);
+   glutInitWindowPosition(100, 100);
+   glutCreateWindow(argv[0]);
+   init();
+   glutReshapeFunc(reshape);
+   glutDisplayFunc(display);
+   glutKeyboardFunc (keyboard);
+   glutMainLoop();
+   return 0;
+}
+#else
+int main(int argc, char** argv)
+{
+    fprintf (stderr, "This program demonstrates a feature which is not in OpenGL Version 1.0.\n");
+    fprintf (stderr, "If your implementation of OpenGL Version 1.0 has the right extensions,\n");
+    fprintf (stderr, "you may be able to modify this program to make it run.\n");
+    return 0;
+}
+#endif
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/texgen.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/texgen.c
new file mode 100644
index 000000000..7c1802a3b
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/texgen.c
@@ -0,0 +1,207 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED 
+ * Permission to use, copy, modify, and distribute this software for 
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that 
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission. 
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ * 
+ * US Government Users Restricted Rights 
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*  texgen.c
+ *  This program draws a texture mapped teapot with 
+ *  automatically generated texture coordinates.  The
+ *  texture is rendered as stripes on the teapot.
+ *  Initially, the object is drawn with texture coordinates
+ *  based upon the object coordinates of the vertex
+ *  and distance from the plane x = 0.  Pressing the 'e'
+ *  key changes the coordinate generation to eye coordinates
+ *  of the vertex.  Pressing the 'o' key switches it back
+ *  to the object coordinates.  Pressing the 's' key 
+ *  changes the plane to a slanted one (x + y + z = 0).
+ *  Pressing the 'x' key switches it back to x = 0.
+ */
+
+#include <GL/glut.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#define	stripeImageWidth 32
+GLubyte stripeImage[4*stripeImageWidth];
+
+#ifdef GL_VERSION_1_1
+static GLuint texName;
+#endif
+
+void makeStripeImage(void)
+{
+   int j;
+    
+   for (j = 0; j < stripeImageWidth; j++) {
+      stripeImage[4*j] = (GLubyte) ((j<=4) ? 255 : 0);
+      stripeImage[4*j+1] = (GLubyte) ((j>4) ? 255 : 0);
+      stripeImage[4*j+2] = (GLubyte) 0;
+      stripeImage[4*j+3] = (GLubyte) 255;
+   }
+}
+
+/*  planes for texture coordinate generation  */
+static GLfloat xequalzero[] = {1.0, 0.0, 0.0, 0.0};
+static GLfloat slanted[] = {1.0, 1.0, 1.0, 0.0};
+static GLfloat *currentCoeff;
+static GLenum currentPlane;
+static GLint currentGenMode;
+
+void init(void)
+{
+   glClearColor (0.0, 0.0, 0.0, 0.0);
+   glEnable(GL_DEPTH_TEST);
+   glShadeModel(GL_SMOOTH);
+
+   makeStripeImage();
+   glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+
+#ifdef GL_VERSION_1_1
+   glGenTextures(1, &texName);
+   glBindTexture(GL_TEXTURE_1D, texName);
+#endif
+   glTexParameteri(GL_TEXTURE_1D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+   glTexParameteri(GL_TEXTURE_1D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+   glTexParameteri(GL_TEXTURE_1D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+#ifdef GL_VERSION_1_1
+   glTexImage1D(GL_TEXTURE_1D, 0, GL_RGBA, stripeImageWidth, 0,
+                GL_RGBA, GL_UNSIGNED_BYTE, stripeImage);
+#else
+   glTexImage1D(GL_TEXTURE_1D, 0, 4, stripeImageWidth, 0,
+                GL_RGBA, GL_UNSIGNED_BYTE, stripeImage);
+#endif
+
+   glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+   currentCoeff = xequalzero;
+   currentGenMode = GL_OBJECT_LINEAR;
+   currentPlane = GL_OBJECT_PLANE;
+   glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, currentGenMode);
+   glTexGenfv(GL_S, currentPlane, currentCoeff);
+
+   glEnable(GL_TEXTURE_GEN_S);
+   glEnable(GL_TEXTURE_1D);
+   glEnable(GL_CULL_FACE);
+   glEnable(GL_LIGHTING);
+   glEnable(GL_LIGHT0);
+   glEnable(GL_AUTO_NORMAL);
+   glEnable(GL_NORMALIZE);
+   glFrontFace(GL_CW);
+   glCullFace(GL_BACK);
+   glMaterialf (GL_FRONT, GL_SHININESS, 64.0);
+}
+
+void display(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+   glPushMatrix ();
+   glRotatef(45.0, 0.0, 0.0, 1.0);
+#ifdef GL_VERSION_1_1
+   glBindTexture(GL_TEXTURE_1D, texName);
+#endif
+   glutSolidTeapot(2.0);
+   glPopMatrix ();
+   glFlush();
+}
+
+void reshape(int w, int h)
+{
+   glViewport(0, 0, (GLsizei) w, (GLsizei) h);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   if (w <= h)
+      glOrtho (-3.5, 3.5, -3.5*(GLfloat)h/(GLfloat)w, 
+               3.5*(GLfloat)h/(GLfloat)w, -3.5, 3.5);
+   else
+      glOrtho (-3.5*(GLfloat)w/(GLfloat)h, 
+               3.5*(GLfloat)w/(GLfloat)h, -3.5, 3.5, -3.5, 3.5);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+}
+
+/* ARGSUSED1 */
+void keyboard (unsigned char key, int x, int y)
+{
+   switch (key) {
+      case 'e':
+      case 'E':
+         currentGenMode = GL_EYE_LINEAR;
+         currentPlane = GL_EYE_PLANE;
+         glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, currentGenMode);
+         glTexGenfv(GL_S, currentPlane, currentCoeff);
+         glutPostRedisplay();
+         break;
+      case 'o':
+      case 'O':
+         currentGenMode = GL_OBJECT_LINEAR;
+         currentPlane = GL_OBJECT_PLANE;
+         glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, currentGenMode);
+         glTexGenfv(GL_S, currentPlane, currentCoeff);
+         glutPostRedisplay();
+         break;
+      case 's':
+      case 'S':
+         currentCoeff = slanted;
+         glTexGenfv(GL_S, currentPlane, currentCoeff);
+         glutPostRedisplay();
+         break;
+      case 'x':
+      case 'X':
+         currentCoeff = xequalzero;
+         glTexGenfv(GL_S, currentPlane, currentCoeff);
+         glutPostRedisplay();
+         break;
+      case 27:
+         exit(0);
+         break;
+      default:
+         break;
+   }
+}
+
+int main(int argc, char** argv)
+{
+   glutInit(&argc, argv);
+   glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
+   glutInitWindowSize(256, 256);
+   glutInitWindowPosition(100, 100);
+   glutCreateWindow (argv[0]);
+   init ();
+   glutDisplayFunc(display);
+   glutReshapeFunc(reshape);
+   glutKeyboardFunc(keyboard);
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/texprox.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/texprox.c
new file mode 100644
index 000000000..6f1e853fa
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/texprox.c
@@ -0,0 +1,120 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED 
+ * Permission to use, copy, modify, and distribute this software for 
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that 
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission. 
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ * 
+ * US Government Users Restricted Rights 
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ *  texprox.c
+ *  The brief program illustrates use of texture proxies.
+ *  This program only prints out some messages about whether
+ *  certain size textures are supported and then exits.
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#ifdef GL_VERSION_1_1
+
+/* Microsoft OpenGL 1.1's <GL/gl.h> forgets to define
+   GL_TEXTURE_INTERNAL_FORMAT. */
+#ifndef GL_TEXTURE_INTERNAL_FORMAT
+#define GL_TEXTURE_INTERNAL_FORMAT GL_TEXTURE_COMPONENTS
+#endif
+
+void init(void) 
+{
+   GLint proxyComponents;
+
+   putchar('\n');
+
+   glTexImage2D(GL_PROXY_TEXTURE_2D, 0, GL_RGBA8,
+                64, 64, 0,
+                GL_RGBA, GL_UNSIGNED_BYTE, NULL);
+   glGetTexLevelParameteriv(GL_PROXY_TEXTURE_2D, 0, 
+                            GL_TEXTURE_INTERNAL_FORMAT, &proxyComponents);
+   printf ("Proxying 64x64 level 0 RGBA8 texture (level 0)\n");
+   if (proxyComponents == GL_RGBA8)
+      printf ("proxy allocation succeeded\n");
+   else
+      printf ("proxy allocation failed\n");
+   putchar('\n');
+
+   glTexImage2D(GL_PROXY_TEXTURE_2D, 0, GL_RGBA16,
+                2048, 2048, 0,
+                GL_RGBA, GL_UNSIGNED_SHORT, NULL);
+   glGetTexLevelParameteriv(GL_PROXY_TEXTURE_2D, 0, 
+                            GL_TEXTURE_INTERNAL_FORMAT, &proxyComponents);
+   printf ("Proxying 2048x2048 level 0 RGBA16 texture (big so unlikely to be supported)\n");
+   if (proxyComponents == GL_RGBA16)
+      printf ("proxy allocation succeeded\n");
+   else
+      printf ("proxy allocation failed\n");
+   putchar('\n');
+}
+
+void display(void)
+{
+   exit(0);
+}
+
+void reshape (int w, int h)
+{
+   glViewport (0, 0, (GLsizei) w, (GLsizei) h); 
+   glMatrixMode (GL_PROJECTION);
+   glLoadIdentity ();
+}
+
+int main(int argc, char** argv)
+{
+   glutInit(&argc, argv);
+   glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB);
+   glutInitWindowSize (500, 500); 
+   glutInitWindowPosition (100, 100);
+   glutCreateWindow (argv[0]);
+   init ();
+   glutDisplayFunc(display); 
+   glutReshapeFunc(reshape);
+   glutMainLoop();
+   return 0;
+}
+#else
+int main(int argc, char** argv)
+{
+    fprintf (stderr, "This program demonstrates a feature which is not in OpenGL Version 1.0.\n");
+    fprintf (stderr, "If your implementation of OpenGL Version 1.0 has the right extensions,\n");
+    fprintf (stderr, "you may be able to modify this program to make it run.\n");
+    return 0;
+}
+#endif
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/texsub.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/texsub.c
new file mode 100644
index 000000000..4e829675a
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/texsub.c
@@ -0,0 +1,187 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*  texsub.c
+ *  This program texture maps a checkerboard image onto
+ *  two rectangles.  This program clamps the texture, if
+ *  the texture coordinates fall outside 0.0 and 1.0.
+ *  If the s key is pressed, a texture subimage is used to
+ *  alter the original texture.  If the r key is pressed,
+ *  the original texture is restored.
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#ifdef GL_VERSION_1_1
+/*  Create checkerboard textures  */
+#define checkImageWidth 64
+#define checkImageHeight 64
+#define subImageWidth 16
+#define subImageHeight 16
+static GLubyte checkImage[checkImageHeight][checkImageWidth][4];
+static GLubyte subImage[subImageHeight][subImageWidth][4];
+
+static GLuint texName;
+
+void makeCheckImages(void)
+{
+   int i, j, c;
+
+   for (i = 0; i < checkImageHeight; i++) {
+      for (j = 0; j < checkImageWidth; j++) {
+         c = ((((i&0x8)==0)^((j&0x8)==0)))*255;
+         checkImage[i][j][0] = (GLubyte) c;
+         checkImage[i][j][1] = (GLubyte) c;
+         checkImage[i][j][2] = (GLubyte) c;
+         checkImage[i][j][3] = (GLubyte) 255;
+      }
+   }
+   for (i = 0; i < subImageHeight; i++) {
+      for (j = 0; j < subImageWidth; j++) {
+         c = ((((i&0x4)==0)^((j&0x4)==0)))*255;
+         subImage[i][j][0] = (GLubyte) c;
+         subImage[i][j][1] = (GLubyte) 0;
+         subImage[i][j][2] = (GLubyte) 0;
+         subImage[i][j][3] = (GLubyte) 255;
+      }
+   }
+}
+
+void init(void)
+{
+   glClearColor (0.0, 0.0, 0.0, 0.0);
+   glShadeModel(GL_FLAT);
+   glEnable(GL_DEPTH_TEST);
+
+   makeCheckImages();
+   glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+
+   glGenTextures(1, &texName);
+   glBindTexture(GL_TEXTURE_2D, texName);
+
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+   glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, checkImageWidth, checkImageHeight,
+                0, GL_RGBA, GL_UNSIGNED_BYTE, checkImage);
+}
+
+void display(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+   glEnable(GL_TEXTURE_2D);
+   glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
+   glBindTexture(GL_TEXTURE_2D, texName);
+   glBegin(GL_QUADS);
+   glTexCoord2f(0.0, 0.0); glVertex3f(-2.0, -1.0, 0.0);
+   glTexCoord2f(0.0, 1.0); glVertex3f(-2.0, 1.0, 0.0);
+   glTexCoord2f(1.0, 1.0); glVertex3f(0.0, 1.0, 0.0);
+   glTexCoord2f(1.0, 0.0); glVertex3f(0.0, -1.0, 0.0);
+
+   glTexCoord2f(0.0, 0.0); glVertex3f(1.0, -1.0, 0.0);
+   glTexCoord2f(0.0, 1.0); glVertex3f(1.0, 1.0, 0.0);
+   glTexCoord2f(1.0, 1.0); glVertex3f(2.41421, 1.0, -1.41421);
+   glTexCoord2f(1.0, 0.0); glVertex3f(2.41421, -1.0, -1.41421);
+   glEnd();
+   glFlush();
+   glDisable(GL_TEXTURE_2D);
+}
+
+void reshape(int w, int h)
+{
+   glViewport(0, 0, (GLsizei) w, (GLsizei) h);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   gluPerspective(60.0, (GLfloat) w/(GLfloat) h, 1.0, 30.0);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glTranslatef(0.0, 0.0, -3.6);
+}
+
+/* ARGSUSED1 */
+void keyboard (unsigned char key, int x, int y)
+{
+   switch (key) {
+      case 's':
+      case 'S':
+         glBindTexture(GL_TEXTURE_2D, texName);
+         glTexSubImage2D(GL_TEXTURE_2D, 0, 12, 44, subImageWidth,
+                         subImageHeight, GL_RGBA,
+                         GL_UNSIGNED_BYTE, subImage);
+         glutPostRedisplay();
+         break;
+      case 'r':
+      case 'R':
+         glBindTexture(GL_TEXTURE_2D, texName);
+         glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, checkImageWidth,
+                      checkImageHeight, 0, GL_RGBA,
+                      GL_UNSIGNED_BYTE, checkImage);
+         glutPostRedisplay();
+         break;
+      case 27:
+         exit(0);
+         break;
+      default:
+         break;
+   }
+}
+
+int main(int argc, char** argv)
+{
+   glutInit(&argc, argv);
+   glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
+   glutInitWindowSize(250, 250);
+   glutInitWindowPosition(100, 100);
+   glutCreateWindow(argv[0]);
+   init();
+   glutDisplayFunc(display);
+   glutReshapeFunc(reshape);
+   glutKeyboardFunc(keyboard);
+   glutMainLoop();
+   return 0;
+}
+#else
+int main(int argc, char** argv)
+{
+    fprintf (stderr, "This program demonstrates a feature which is not in OpenGL Version 1.0.\n");
+    fprintf (stderr, "If your implementation of OpenGL Version 1.0 has the right extensions,\n");
+    fprintf (stderr, "you may be able to modify this program to make it run.\n");
+    return 0;
+}
+#endif
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/texturesurf.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/texturesurf.c
new file mode 100644
index 000000000..0170070ea
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/texturesurf.c
@@ -0,0 +1,155 @@
+
+/* Copyright (c) Mark J. Kilgard, 1994. */
+
+/*
+ * (c) Copyright 1993, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
+ */
+/*  texturesurf.c
+ *  This program uses evaluators to generate a curved
+ *  surface and automatically generated texture coordinates.
+ */
+
+#include <stdlib.h>
+#include <GL/glut.h>
+#include <math.h>
+
+GLfloat ctrlpoints[4][4][3] = {
+    {{ -1.5, -1.5, 4.0}, { -0.5, -1.5, 2.0},
+	{0.5, -1.5, -1.0}, {1.5, -1.5, 2.0}},
+    {{ -1.5, -0.5, 1.0}, { -0.5, -0.5, 3.0},
+	{0.5, -0.5, 0.0}, {1.5, -0.5, -1.0}},
+    {{ -1.5, 0.5, 4.0}, { -0.5, 0.5, 0.0},
+	{0.5, 0.5, 3.0}, {1.5, 0.5, 4.0}},
+    {{ -1.5, 1.5, -2.0}, { -0.5, 1.5, -2.0},
+	{0.5, 1.5, 0.0}, {1.5, 1.5, -1.0}}
+};
+
+GLfloat texpts[2][2][2] = {{{0.0, 0.0}, {0.0, 1.0}},
+			{{1.0, 0.0}, {1.0, 1.0}}};
+
+void display(void)
+{
+    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+    glColor3f(1.0, 1.0, 1.0);
+    glEvalMesh2(GL_FILL, 0, 20, 0, 20);
+    glFlush();
+}
+
+#define	imageWidth 64
+#define	imageHeight 64
+GLubyte image[3*imageWidth*imageHeight];
+
+void makeImage(void)
+{
+    int i, j;
+    float ti, tj;
+
+    for (i = 0; i < imageWidth; i++) {
+	ti = 2.0*3.14159265*i/imageWidth;
+	for (j = 0; j < imageHeight; j++) {
+	    tj = 2.0*3.14159265*j/imageHeight;
+
+	    image[3*(imageHeight*i+j)] = (GLubyte) 127*(1.0+sin(ti));
+	    image[3*(imageHeight*i+j)+1] = (GLubyte) 127*(1.0+cos(2*tj));
+	    image[3*(imageHeight*i+j)+2] = (GLubyte) 127*(1.0+cos(ti+tj));
+	}
+    }
+}
+
+void myinit(void)
+{
+    glMap2f(GL_MAP2_VERTEX_3, 0, 1, 3, 4,
+	    0, 1, 12, 4, &ctrlpoints[0][0][0]);
+    glMap2f(GL_MAP2_TEXTURE_COORD_2, 0, 1, 2, 2,
+	    0, 1, 4, 2, &texpts[0][0][0]);
+    glEnable(GL_MAP2_TEXTURE_COORD_2);
+    glEnable(GL_MAP2_VERTEX_3);
+    glMapGrid2f(20, 0.0, 1.0, 20, 0.0, 1.0);
+    makeImage();
+    glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
+    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+    glTexImage2D(GL_TEXTURE_2D, 0, 3, imageWidth, imageHeight, 0,
+		 GL_RGB, GL_UNSIGNED_BYTE, image);
+    glEnable(GL_TEXTURE_2D);
+    glEnable(GL_DEPTH_TEST);
+    glEnable(GL_NORMALIZE);
+    glShadeModel (GL_FLAT);
+}
+
+void myReshape(int w, int h)
+{
+    glViewport(0, 0, w, h);
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    if (w <= h)
+	glOrtho(-4.0, 4.0, -4.0*(GLfloat)h/(GLfloat)w,
+	    4.0*(GLfloat)h/(GLfloat)w, -4.0, 4.0);
+    else
+	glOrtho(-4.0*(GLfloat)w/(GLfloat)h,
+	    4.0*(GLfloat)w/(GLfloat)h, -4.0, 4.0, -4.0, 4.0);
+    glMatrixMode(GL_MODELVIEW);
+    glLoadIdentity();
+    glRotatef(85.0, 1.0, 1.0, 1.0);
+}
+
+static void
+key(unsigned char k, int x, int y)
+{
+  switch (k) {
+  case 27:  /* Escape */
+    exit(0);
+    break;
+  default:
+    return;
+  }
+  glutPostRedisplay();
+}
+
+int main(int argc, char** argv)
+{
+    glutInit(&argc, argv);
+    glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
+    glutCreateWindow (argv[0]);
+    myinit();
+    glutReshapeFunc (myReshape);
+    glutDisplayFunc(display);
+    glutKeyboardFunc(key);
+    glutMainLoop();
+    return 0;             /* ANSI C requires main to return int. */
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/torus.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/torus.c
new file mode 100644
index 000000000..7ae4d41e2
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/torus.c
@@ -0,0 +1,152 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED 
+ * Permission to use, copy, modify, and distribute this software for 
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that 
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission. 
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ * 
+ * US Government Users Restricted Rights 
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ *  torus.c
+ *  This program demonstrates the creation of a display list.
+ */
+
+#include <GL/glut.h>
+#include <stdio.h>
+#include <math.h>
+#include <stdlib.h>
+
+/* Some <math.h> files do not define M_PI... */
+#ifndef M_PI
+#define M_PI 3.14159265358979323846
+#endif
+
+GLuint theTorus;
+
+/* Draw a torus */
+static void torus(int numc, int numt)
+{
+   int i, j, k;
+   double s, t, x, y, z, twopi;
+
+   twopi = 2 * (double)M_PI;
+   for (i = 0; i < numc; i++) {
+      glBegin(GL_QUAD_STRIP);
+      for (j = 0; j <= numt; j++) {
+         for (k = 1; k >= 0; k--) {
+            s = (i + k) % numc + 0.5;
+            t = j % numt;
+
+            x = (1+.1*cos(s*twopi/numc))*cos(t*twopi/numt);
+            y = (1+.1*cos(s*twopi/numc))*sin(t*twopi/numt);
+            z = .1 * sin(s * twopi / numc);
+            glVertex3f(x, y, z);
+         }
+      }
+      glEnd();
+   }
+}
+
+/* Create display list with Torus and initialize state */
+static void init(void)
+{
+   theTorus = glGenLists (1);
+   glNewList(theTorus, GL_COMPILE);
+   torus(8, 25);
+   glEndList();
+
+   glShadeModel(GL_FLAT);
+   glClearColor(0.0, 0.0, 0.0, 0.0);
+}
+
+/* Clear window and draw torus */
+void display(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT);
+   glColor3f (1.0, 1.0, 1.0);
+   glCallList(theTorus);
+   glFlush();
+}
+
+/* Handle window resize */
+void reshape(int w, int h)
+{
+   glViewport(0, 0, (GLsizei) w, (GLsizei) h);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   gluPerspective(30, (GLfloat) w/(GLfloat) h, 1.0, 100.0);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   gluLookAt(0, 0, 10, 0, 0, 0, 0, 1, 0);
+}
+
+/* Rotate about x-axis when "x" typed; rotate about y-axis
+   when "y" typed; "i" returns torus to original view */
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+   switch (key) {
+   case 'x':
+   case 'X':
+      glRotatef(30.,1.0,0.0,0.0);
+      glutPostRedisplay();
+      break;
+   case 'y':
+   case 'Y':
+      glRotatef(30.,0.0,1.0,0.0);
+      glutPostRedisplay();
+      break;
+   case 'i':
+   case 'I':
+      glLoadIdentity();
+      gluLookAt(0, 0, 10, 0, 0, 0, 0, 1, 0);
+      glutPostRedisplay();
+      break;
+   case 27:
+      exit(0);
+      break;
+   }
+}
+
+int main(int argc, char **argv)
+{
+   glutInitWindowSize(200, 200);
+   glutInit(&argc, argv);
+   glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB);
+   glutCreateWindow(argv[0]);
+   init();
+   glutReshapeFunc(reshape);
+   glutKeyboardFunc(keyboard);
+   glutDisplayFunc(display);
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/trim.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/trim.c
new file mode 100644
index 000000000..f17674f68
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/trim.c
@@ -0,0 +1,187 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED 
+ * Permission to use, copy, modify, and distribute this software for 
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that 
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission. 
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ * 
+ * US Government Users Restricted Rights 
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ *  trim.c
+ *  This program draws a NURBS surface in the shape of a 
+ *  symmetrical hill, using both a NURBS curve and pwl
+ *  (piecewise linear) curve to trim part of the surface.
+ */
+#include <stdlib.h>
+#include <GL/glut.h>
+#include <stdio.h>
+
+
+#ifndef CALLBACK
+#define CALLBACK
+#endif
+
+
+GLfloat ctlpoints[4][4][3];
+
+GLUnurbsObj *theNurb;
+
+/*
+ *  Initializes the control points of the surface to a small hill.
+ *  The control points range from -3 to +3 in x, y, and z
+ */
+void init_surface(void)
+{
+   int u, v;
+   for (u = 0; u < 4; u++) {
+      for (v = 0; v < 4; v++) {
+         ctlpoints[u][v][0] = 2.0*((GLfloat)u - 1.5);
+         ctlpoints[u][v][1] = 2.0*((GLfloat)v - 1.5);
+
+         if ( (u == 1 || u == 2) && (v == 1 || v == 2))
+            ctlpoints[u][v][2] = 3.0;
+         else
+            ctlpoints[u][v][2] = -3.0;
+      }
+   }
+}
+
+void nurbsError(GLenum errorCode)
+{
+   const GLubyte *estring;
+
+   estring = gluErrorString(errorCode);
+   fprintf (stderr, "Nurbs Error: %s\n", (char *) estring);
+   exit (0);
+}
+			
+/*  Initialize material property and depth buffer.
+ */
+void init(void)
+{
+   GLfloat mat_diffuse[] = { 0.7, 0.7, 0.7, 1.0 };
+   GLfloat mat_specular[] = { 1.0, 1.0, 1.0, 1.0 };
+   GLfloat mat_shininess[] = { 100.0 };
+
+   glClearColor (0.0, 0.0, 0.0, 0.0);
+   glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);
+   glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
+   glMaterialfv(GL_FRONT, GL_SHININESS, mat_shininess);
+
+   glEnable(GL_LIGHTING);
+   glEnable(GL_LIGHT0);
+   glEnable(GL_DEPTH_TEST);
+   glEnable(GL_AUTO_NORMAL);
+   glEnable(GL_NORMALIZE);
+
+   init_surface();
+
+   theNurb = gluNewNurbsRenderer();
+   gluNurbsProperty(theNurb, GLU_SAMPLING_TOLERANCE, 25.0);
+   gluNurbsProperty(theNurb, GLU_DISPLAY_MODE, GLU_FILL);
+   gluNurbsCallback(theNurb, GLU_ERROR, 
+                    (GLvoid (CALLBACK*) ()) nurbsError);
+}
+
+void display(void)
+{
+   GLfloat knots[8] = {0.0, 0.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0};
+   GLfloat edgePt[5][2] = /* counter clockwise */
+      {{0.0, 0.0}, {1.0, 0.0}, {1.0, 1.0}, {0.0, 1.0}, {0.0, 0.0}};
+   GLfloat curvePt[4][2] = /* clockwise */ 
+      {{0.25, 0.5}, {0.25, 0.75}, {0.75, 0.75}, {0.75, 0.5}};
+   GLfloat curveKnots[8] = 
+      {0.0, 0.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0};
+   GLfloat pwlPt[4][2] = /* clockwise */ 
+      {{0.75, 0.5}, {0.5, 0.25}, {0.25, 0.5}};
+
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+   glPushMatrix();
+   glRotatef(330.0, 1.,0.,0.);
+   glScalef (0.5, 0.5, 0.5);
+
+   gluBeginSurface(theNurb);
+   gluNurbsSurface(theNurb, 8, knots, 8, knots,
+                   4 * 3, 3, &ctlpoints[0][0][0], 
+                   4, 4, GL_MAP2_VERTEX_3);
+   gluBeginTrim (theNurb);
+      gluPwlCurve (theNurb, 5, &edgePt[0][0], 2, GLU_MAP1_TRIM_2);
+   gluEndTrim (theNurb);
+   gluBeginTrim (theNurb);
+      gluNurbsCurve (theNurb, 8, curveKnots, 2, 
+                     &curvePt[0][0], 4, GLU_MAP1_TRIM_2);
+      gluPwlCurve (theNurb, 3, &pwlPt[0][0], 2, GLU_MAP1_TRIM_2);
+   gluEndTrim (theNurb);
+   gluEndSurface(theNurb);
+        
+   glPopMatrix();
+   glFlush();
+}
+
+void reshape(int w, int h)
+{
+   glViewport(0, 0, (GLsizei) w, (GLsizei) h);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   gluPerspective (45.0, (GLdouble)w/(GLdouble)h, 3.0, 8.0);
+
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glTranslatef (0.0, 0.0, -5.0);
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+}
+
+/*  Main Loop 
+ */
+int main(int argc, char** argv)
+{
+   glutInit(&argc, argv);
+   glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
+   glutInitWindowSize (500, 500);
+   glutInitWindowPosition (100, 100);
+   glutCreateWindow(argv[0]);
+   init();
+   glutReshapeFunc(reshape);
+   glutDisplayFunc(display);
+   glutKeyboardFunc (keyboard);
+   glutMainLoop();
+   return 0; 
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/unproject.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/unproject.c
new file mode 100644
index 000000000..134c361ba
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/unproject.c
@@ -0,0 +1,126 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED 
+ * Permission to use, copy, modify, and distribute this software for 
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that 
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission. 
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ * 
+ * US Government Users Restricted Rights 
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ *  unproject.c
+ *  When the left mouse button is pressed, this program 
+ *  reads the mouse position and determines two 3D points 
+ *  from which it was transformed.  Very little is displayed.
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+void display(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT);
+   glFlush();
+}
+
+/* Change these values for a different transformation  */
+void reshape(int w, int h)
+{
+   glViewport (0, 0, (GLsizei) w, (GLsizei) h);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   gluPerspective (45.0, (GLfloat) w/(GLfloat) h, 1.0, 100.0);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+}
+
+void mouse(int button, int state, int x, int y) 
+{
+   GLint viewport[4];
+   GLdouble mvmatrix[16], projmatrix[16];
+   GLint realy;  /*  OpenGL y coordinate position  */
+   GLdouble wx, wy, wz;  /*  returned world x, y, z coords  */
+
+   switch (button) {
+      case GLUT_LEFT_BUTTON:
+         if (state == GLUT_DOWN) {
+            glGetIntegerv (GL_VIEWPORT, viewport);
+            glGetDoublev (GL_MODELVIEW_MATRIX, mvmatrix);
+            glGetDoublev (GL_PROJECTION_MATRIX, projmatrix);
+/*  note viewport[3] is height of window in pixels  */
+            realy = viewport[3] - (GLint) y - 1;
+            printf ("Coordinates at cursor are (%4d, %4d)\n", x, realy);
+            gluUnProject ((GLdouble) x, (GLdouble) realy, 0.0, 
+               mvmatrix, projmatrix, viewport, &wx, &wy, &wz); 
+            printf ("World coords at z=0.0 are (%f, %f, %f)\n", 
+               wx, wy, wz);
+            gluUnProject ((GLdouble) x, (GLdouble) realy, 1.0, 
+               mvmatrix, projmatrix, viewport, &wx, &wy, &wz); 
+            printf ("World coords at z=1.0 are (%f, %f, %f)\n", 
+               wx, wy, wz);
+         }
+         break;
+      case GLUT_RIGHT_BUTTON:
+         if (state == GLUT_DOWN)
+            exit(0);
+         break;
+      default:
+         break;
+   }
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+}
+   
+/* 
+ *  Open window, register input callback functions
+ */
+int main(int argc, char** argv)
+{
+   glutInit(&argc, argv);
+   glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB);
+   glutInitWindowSize (500, 500); 
+   glutInitWindowPosition (100, 100);
+   glutCreateWindow (argv[0]);
+   glutDisplayFunc(display); 
+   glutReshapeFunc(reshape); 
+   glutKeyboardFunc (keyboard);
+   glutMouseFunc(mouse);
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/varray.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/varray.c
new file mode 100644
index 000000000..b22e723e0
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/varray.c
@@ -0,0 +1,195 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED 
+ * Permission to use, copy, modify, and distribute this software for 
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that 
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission. 
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ * 
+ * US Government Users Restricted Rights 
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ *  varray.c
+ *  This program demonstrates vertex arrays.
+ */
+#include <GL/glut.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#ifdef GL_VERSION_1_1
+#define POINTER 1
+#define INTERLEAVED 2
+
+#define DRAWARRAY 1
+#define ARRAYELEMENT  2
+#define DRAWELEMENTS 3
+
+int setupMethod = POINTER;
+int derefMethod = DRAWARRAY;
+
+void setupPointers(void)
+{
+   static GLint vertices[] = {25, 25,
+                       100, 325,
+                       175, 25,
+                       175, 325,
+                       250, 25,
+                       325, 325};
+   static GLfloat colors[] = {1.0, 0.2, 0.2,
+                       0.2, 0.2, 1.0,
+                       0.8, 1.0, 0.2,
+                       0.75, 0.75, 0.75,
+                       0.35, 0.35, 0.35,
+                       0.5, 0.5, 0.5};
+
+   glEnableClientState (GL_VERTEX_ARRAY);
+   glEnableClientState (GL_COLOR_ARRAY);
+
+   glVertexPointer (2, GL_INT, 0, vertices);
+   glColorPointer (3, GL_FLOAT, 0, colors);
+}
+
+void setupInterleave(void)
+{
+   static GLfloat intertwined[] =
+      {1.0, 0.2, 1.0, 100.0, 100.0, 0.0,
+       1.0, 0.2, 0.2, 0.0, 200.0, 0.0,
+       1.0, 1.0, 0.2, 100.0, 300.0, 0.0,
+       0.2, 1.0, 0.2, 200.0, 300.0, 0.0,
+       0.2, 1.0, 1.0, 300.0, 200.0, 0.0,
+       0.2, 0.2, 1.0, 200.0, 100.0, 0.0};
+   
+   glInterleavedArrays (GL_C3F_V3F, 0, intertwined);
+}
+
+void init(void) 
+{
+   glClearColor (0.0, 0.0, 0.0, 0.0);
+   glShadeModel (GL_SMOOTH);
+   setupPointers ();
+}
+
+void display(void)
+{
+   glClear (GL_COLOR_BUFFER_BIT);
+
+   if (derefMethod == DRAWARRAY) 
+      glDrawArrays (GL_TRIANGLES, 0, 6);
+   else if (derefMethod == ARRAYELEMENT) {
+      glBegin (GL_TRIANGLES);
+      glArrayElement (2);
+      glArrayElement (3);
+      glArrayElement (5);
+      glEnd ();
+   }
+   else if (derefMethod == DRAWELEMENTS) {
+      GLuint indices[4] = {0, 1, 3, 4};
+
+      glDrawElements (GL_POLYGON, 4, GL_UNSIGNED_INT, indices);
+   }
+   glFlush ();
+}
+
+void reshape (int w, int h)
+{
+   glViewport (0, 0, (GLsizei) w, (GLsizei) h);
+   glMatrixMode (GL_PROJECTION);
+   glLoadIdentity ();
+   gluOrtho2D (0.0, (GLdouble) w, 0.0, (GLdouble) h);
+}
+
+/* ARGSUSED2 */
+void mouse (int button, int state, int x, int y)
+{
+   switch (button) {
+      case GLUT_LEFT_BUTTON:
+         if (state == GLUT_DOWN) {
+            if (setupMethod == POINTER) {
+               setupMethod = INTERLEAVED;
+               setupInterleave();
+            }
+            else if (setupMethod == INTERLEAVED) {
+               setupMethod = POINTER;
+               setupPointers();
+            }
+            glutPostRedisplay();
+         }
+         break;
+      case GLUT_MIDDLE_BUTTON:
+      case GLUT_RIGHT_BUTTON:
+         if (state == GLUT_DOWN) {
+            if (derefMethod == DRAWARRAY) 
+               derefMethod = ARRAYELEMENT;
+            else if (derefMethod == ARRAYELEMENT) 
+               derefMethod = DRAWELEMENTS;
+            else if (derefMethod == DRAWELEMENTS) 
+               derefMethod = DRAWARRAY;
+            glutPostRedisplay();
+         }
+         break;
+      default:
+         break;
+   }
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+}
+
+int main(int argc, char** argv)
+{
+   glutInit(&argc, argv);
+   glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB);
+   glutInitWindowSize (350, 350); 
+   glutInitWindowPosition (100, 100);
+   glutCreateWindow (argv[0]);
+   init ();
+   glutDisplayFunc(display); 
+   glutReshapeFunc(reshape);
+   glutMouseFunc(mouse);
+   glutKeyboardFunc (keyboard);
+   glutMainLoop();
+   return 0;
+}
+#else
+int main(int argc, char** argv)
+{
+    fprintf (stderr, "This program demonstrates a feature which is not in OpenGL Version 1.0.\n");
+    fprintf (stderr, "If your implementation of OpenGL Version 1.0 has the right extensions,\n");
+    fprintf (stderr, "you may be able to modify this program to make it run.\n");
+    return 0;
+}
+#endif
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/wrap.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/wrap.c
new file mode 100644
index 000000000..f9a1f162a
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/wrap.c
@@ -0,0 +1,180 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED 
+ * Permission to use, copy, modify, and distribute this software for 
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that 
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission. 
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ * 
+ * US Government Users Restricted Rights 
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*  wrap.c
+ *  This program texture maps a checkerboard image onto
+ *  two rectangles.  This program demonstrates the wrapping
+ *  modes, if the texture coordinates fall outside 0.0 and 1.0.
+ *  Interaction: Pressing the 's' and 'S' keys switch the
+ *  wrapping between clamping and repeating for the s parameter.
+ *  The 't' and 'T' keys control the wrapping for the t parameter.
+ *
+ *  If running this program on OpenGL 1.0, texture objects are
+ *  not used.
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+/*	Create checkerboard texture	*/
+#define	checkImageWidth 64
+#define	checkImageHeight 64
+static GLubyte checkImage[checkImageHeight][checkImageWidth][4];
+
+#ifdef GL_VERSION_1_1
+static GLuint texName;
+#endif
+
+void makeCheckImage(void)
+{
+   int i, j, c;
+    
+   for (i = 0; i < checkImageHeight; i++) {
+      for (j = 0; j < checkImageWidth; j++) {
+         c = (((i&0x8)==0)^((j&0x8)==0))*255;
+         checkImage[i][j][0] = (GLubyte) c;
+         checkImage[i][j][1] = (GLubyte) c;
+         checkImage[i][j][2] = (GLubyte) c;
+         checkImage[i][j][3] = (GLubyte) 255;
+      }
+   }
+}
+
+void init(void)
+{    
+   glClearColor (0.0, 0.0, 0.0, 0.0);
+   glShadeModel(GL_FLAT);
+   glEnable(GL_DEPTH_TEST);
+
+   makeCheckImage();
+   glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+
+#ifdef GL_VERSION_1_1
+   glGenTextures(1, &texName);
+   glBindTexture(GL_TEXTURE_2D, texName);
+#endif
+
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+#ifdef GL_VERSION_1_1
+   glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, checkImageWidth, checkImageHeight, 
+                0, GL_RGBA, GL_UNSIGNED_BYTE, checkImage);
+#else
+   glTexImage2D(GL_TEXTURE_2D, 0, 4, checkImageWidth, checkImageHeight, 
+                0, GL_RGBA, GL_UNSIGNED_BYTE, checkImage);
+#endif
+}
+
+void display(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+   glEnable(GL_TEXTURE_2D);
+   glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
+#ifdef GL_VERSION_1_1
+   glBindTexture(GL_TEXTURE_2D, texName);
+#endif
+
+   glBegin(GL_QUADS);
+   glTexCoord2f(0.0, 0.0); glVertex3f(-2.0, -1.0, 0.0);
+   glTexCoord2f(0.0, 3.0); glVertex3f(-2.0, 1.0, 0.0);
+   glTexCoord2f(3.0, 3.0); glVertex3f(0.0, 1.0, 0.0);
+   glTexCoord2f(3.0, 0.0); glVertex3f(0.0, -1.0, 0.0);
+
+   glTexCoord2f(0.0, 0.0); glVertex3f(1.0, -1.0, 0.0);
+   glTexCoord2f(0.0, 3.0); glVertex3f(1.0, 1.0, 0.0);
+   glTexCoord2f(3.0, 3.0); glVertex3f(2.41421, 1.0, -1.41421);
+   glTexCoord2f(3.0, 0.0); glVertex3f(2.41421, -1.0, -1.41421);
+   glEnd();
+   glFlush();
+   glDisable(GL_TEXTURE_2D);
+}
+
+void reshape(int w, int h)
+{
+   glViewport(0, 0, (GLsizei) w, (GLsizei) h);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   gluPerspective(60.0, (GLfloat) w/(GLfloat) h, 1.0, 30.0);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glTranslatef(0.0, 0.0, -3.6);
+}
+
+/* ARGSUSED1 */
+void keyboard (unsigned char key, int x, int y)
+{
+   switch (key) {
+      case 's':
+         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
+         glutPostRedisplay();
+         break;
+      case 'S':
+         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+         glutPostRedisplay();
+         break;
+      case 't':
+         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
+         glutPostRedisplay();
+         break;
+      case 'T':
+         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+         glutPostRedisplay();
+         break;
+      case 27:
+         exit(0);
+         break;
+      default:
+         break;
+   }
+}
+
+int main(int argc, char** argv)
+{
+   glutInit(&argc, argv);
+   glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
+   glutInitWindowSize(250, 250);
+   glutInitWindowPosition(100, 100);
+   glutCreateWindow(argv[0]);
+   init();
+   glutDisplayFunc(display);
+   glutReshapeFunc(reshape);
+   glutKeyboardFunc(keyboard);
+   glutMainLoop();
+   return 0; 
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/samples/.cvsignore b/nx-X11/extras/Mesa_6.4.2/progs/samples/.cvsignore
new file mode 100644
index 000000000..12b065056
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/samples/.cvsignore
@@ -0,0 +1,45 @@
+.cvsignore
+accum
+bitmap1
+bitmap2
+blendeq
+blendxor
+copy
+cursor
+depth
+eval
+fog
+font
+line
+logo
+nurb
+oglinfo
+olympic
+overlay
+point
+prim
+quad
+select
+shape
+sphere
+star
+stencil
+stretch
+texture
+tri
+wave
+bugger
+pend
+lthreads
+lxdemo
+lxgears
+lxheads
+lxinfo
+lxpixmap
+anywin
+ffset
+bdemo
+binfo
+incopy
+demo
+font
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/samples/Imakefile b/nx-X11/extras/Mesa_6.4.2/progs/samples/Imakefile
new file mode 100644
index 000000000..948a97835
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/samples/Imakefile
@@ -0,0 +1,101 @@
+LOCAL_LIBRARIES = $(XLIB) $(TOP)\lib\glut.a $(TOP)\lib\Mesaglu.a $(TOP)\lib\MesaGL.a

+

+INCLUDES = -I$(TOP)\include

+

+SRCS = accum.c \

+      bitmap1.c \

+      bitmap2.c \

+      blendeq.c \

+      blendxor.c \

+      copy.c \

+      cursor.c \

+      depth.c \

+      eval.c \

+      fog.c \

+      font.c \

+      line.c \

+      logo.c \

+      nurb.c \

+      oglinfo.c \

+      olympic.c \

+      overlay.c \

+      point.c \

+      prim.c \

+      quad.c \

+      select.c \

+      shape.c \

+      speed.c \

+      sphere.c \

+      star.c \

+      stencil.c \

+      stretch.c \

+      texture.c \

+      tri.c \

+      wave.c

+

+PROGRAMS = ProgramTargetName(accum) \

+      ProgramTargetName(bitmap1) \

+      ProgramTargetName(bitmap2) \

+      ProgramTargetName(blendeq) \

+      ProgramTargetName(blendxor) \

+      ProgramTargetName(copy) \

+      ProgramTargetName(cursor) \

+      ProgramTargetName(depth) \

+      ProgramTargetName(eval) \

+      ProgramTargetName(fog) \

+      ProgramTargetName(font) \

+      ProgramTargetName(line) \

+      ProgramTargetName(logo) \

+      ProgramTargetName(nurb) \

+      ProgramTargetName(oglinfo) \

+      ProgramTargetName(olympic) \

+      ProgramTargetName(overlay) \

+      ProgramTargetName(point) \

+      ProgramTargetName(prim) \

+      ProgramTargetName(quad) \

+      ProgramTargetName(select) \

+      ProgramTargetName(shape) \

+      ProgramTargetName(speed) \

+      ProgramTargetName(sphere) \

+      ProgramTargetName(star) \

+      ProgramTargetName(stencil) \

+      ProgramTargetName(stretch) \

+      ProgramTargetName(texture) \

+      ProgramTargetName(tri) \

+      ProgramTargetName(wave)

+

+AllTarget($(PROGRAMS))

+

+NormalProgramTarget(accum,accum.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(bitmap1,bitmap1.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(bitmap2,bitmap2.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(blendeq,blendeq.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(blendxor,blendxor.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(copy,copy.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(cursor,cursor.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(depth,depth.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(eval,eval.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(fog,fog.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(font,font.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(line,line.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(logo,logo.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(nurb,nurb.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(oglinfo,oglinfo.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(olympic,olympic.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(overlay,overlay.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(point,point.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(prim,prim.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(quad,quad.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(select,select.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(shape,shape.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(speed,speed.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(sphere,sphere.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(star,star.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(stencil,stencil.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(stretch,stretch.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(texture,texture.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(tri,tri.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+NormalProgramTarget(wave,wave.o,NullParameter,$(LOCAL_LIBRARIES),NullParameter)

+

+DependTarget()

+ 

diff --git a/nx-X11/extras/Mesa_6.4.2/progs/samples/Makefile b/nx-X11/extras/Mesa_6.4.2/progs/samples/Makefile
new file mode 100644
index 000000000..f14b7dfc0
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/samples/Makefile
@@ -0,0 +1,48 @@
+# progs/samples/Makefile
+
+TOP = ../..
+include $(TOP)/configs/current
+
+INCDIR = $(TOP)/include
+
+LIB_DEP = $(LIB_DIR)/$(GL_LIB_NAME) $(LIB_DIR)/$(GLU_LIB_NAME) $(LIB_DIR)/$(GLUT_LIB_NAME)
+
+PROGS = accum bitmap1 bitmap2 blendeq blendxor copy cursor depth eval fog \
+	font line logo nurb olympic overlay point prim quad select \
+	shape sphere star stencil stretch texture tri wave
+
+
+##### RULES #####
+
+.SUFFIXES:
+.SUFFIXES: .c
+
+.c: $(LIB_DEP)
+	$(CC) -I$(INCDIR) $(CFLAGS) $< $(APP_LIB_DEPS) -o $@
+
+
+##### TARGETS #####
+
+default: $(PROGS)
+
+
+sphere: sphere.o readtex.o
+	$(CC) -I$(INCDIR) $(CFLAGS) sphere.o readtex.o $(APP_LIB_DEPS) -o $@
+
+sphere.o: sphere.c readtex.h
+	$(CC) -c -I$(INCDIR) $(CFLAGS) sphere.c
+
+readtex.c: $(TOP)/progs/util/readtex.c
+	cp $< .
+
+readtex.h: $(TOP)/progs/util/readtex.h
+	cp $< . 
+
+readtex.o: readtex.c readtex.h
+	$(CC) -c -I$(INCDIR) $(CFLAGS) $< -o $@
+
+
+clean:
+	-rm -f $(PROGS)
+	-rm -f *.o *~
+	-rm -f readtex.c readtex.h
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/samples/Makefile.DJ b/nx-X11/extras/Mesa_6.4.2/progs/samples/Makefile.DJ
new file mode 100644
index 000000000..cda4e0594
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/samples/Makefile.DJ
@@ -0,0 +1,85 @@
+# Mesa 3-D graphics library
+# Version:  4.0
+# 
+# Copyright (C) 1999  Brian Paul   All Rights Reserved.
+# 
+# Permission is hereby granted, free of charge, to any person obtaining a
+# copy of this software and associated documentation files (the "Software"),
+# to deal in the Software without restriction, including without limitation
+# the rights to use, copy, modify, merge, publish, distribute, sublicense,
+# and/or sell copies of the Software, and to permit persons to whom the
+# Software is furnished to do so, subject to the following conditions:
+# 
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+# 
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+# BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+# DOS/DJGPP samples makefile v1.6 for Mesa
+#
+#  Copyright (C) 2002 - Daniel Borca
+#  Email : dborca@users.sourceforge.net
+#  Web   : http://www.geocities.com/dborca
+
+
+#
+#  Available options:
+#
+#    Environment variables:
+#	GLIDE		path to Glide3 SDK; used with FX.
+#			default = $(TOP)/glide3
+#	FX=1		build for 3dfx Glide3. Note that this disables
+#			compilation of most DMesa code and requires fxMesa.
+#			As a consequence, you'll need the DJGPP Glide3
+#			library to build any application.
+#			default = no
+#	DXE=1		use DXE modules (see README.DJ for details).
+#			default = no
+#
+#    Targets:
+#	<file.exe>	build a specific file
+#
+
+
+
+.PHONY: all
+.SUFFIXES: .c .o .exe
+.SECONDARY: ../util/readtex.o ../util/showbuffer.o
+
+TOP = ../..
+GLIDE ?= $(TOP)/glide3
+
+CC = gcc
+CFLAGS = -Wall -W -pedantic
+CFLAGS += -O2 -ffast-math
+CFLAGS += -I$(TOP)/include -I../util
+CFLAGS += -DGLUT_IMPORT_LIB
+ifeq ($(FX),1)
+CFLAGS += -DFX
+endif
+
+LD = gxx
+LDFLAGS = -s -L$(TOP)/lib
+
+ifeq ($(DXE),1)
+LDLIBS += -liglut -liglu -ligl
+else
+LDLIBS = -lglut -lglu -lgl
+ifeq ($(FX),1)
+LDFLAGS += -L$(GLIDE)/lib
+LDLIBS += -lgld3x
+endif
+endif
+
+.c.o:
+	$(CC) -o $@ $(CFLAGS) -c $<
+%.exe: ../util/readtex.o ../util/showbuffer.o %.o
+	$(LD) -o $@ $(LDFLAGS) $^ $(LDLIBS)
+
+all:
+	$(error Must specify <filename.exe> to build)
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/samples/Makefile.dja b/nx-X11/extras/Mesa_6.4.2/progs/samples/Makefile.dja
new file mode 100644
index 000000000..b60a11197
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/samples/Makefile.dja
@@ -0,0 +1,25 @@
+
+# Makefile for sample programs for MS-DOS with DJGPP and ALLEGRO
+
+
+
+INCDIR  =   ../include
+LIBDIR  =   ../lib
+include ../common.dja
+
+ _PROGS = accum bitmap1 bitmap2 blendeq blendxor copy cursor depth    \
+          eval fog font line logo nurb oglinfo olympic overlay point  \
+          prim quad select shape sphere star stencil stretch texture  \
+          tri wave
+
+  PROGS = $(_PROGS:=.exe)
+
+
+default: $(PROGS)
+
+clean:
+	del *. 
+
+realclean: clean
+	del *.exe
+
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/samples/Makefile.mgw b/nx-X11/extras/Mesa_6.4.2/progs/samples/Makefile.mgw
new file mode 100644
index 000000000..119354057
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/samples/Makefile.mgw
@@ -0,0 +1,68 @@
+# Mesa 3-D graphics library
+# Version:  4.0
+# 
+# Copyright (C) 1999  Brian Paul   All Rights Reserved.
+# 
+# Permission is hereby granted, free of charge, to any person obtaining a
+# copy of this software and associated documentation files (the "Software"),
+# to deal in the Software without restriction, including without limitation
+# the rights to use, copy, modify, merge, publish, distribute, sublicense,
+# and/or sell copies of the Software, and to permit persons to whom the
+# Software is furnished to do so, subject to the following conditions:
+# 
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+# 
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+# BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+# MinGW samples makefile v1.2 for Mesa
+#
+#  Copyright (C) 2002 - Daniel Borca
+#  Email : dborca@users.sourceforge.net
+#  Web   : http://www.geocities.com/dborca
+
+
+#
+#  Available options:
+#
+#    Environment variables:
+#
+#    Targets:
+#	<file.exe>	build a specific file
+#
+
+
+
+.PHONY: all
+.SUFFIXES: .c .o .exe
+.SECONDARY: ../util/readtex.o ../util/showbuffer.o
+
+TOP = ../..
+
+CC = mingw32-gcc
+CFLAGS = -Wall -W -pedantic
+CFLAGS += -O2 -ffast-math
+CFLAGS += -I$(TOP)/include -I../util
+ifeq ($(FX),1)
+CFLAGS += -DFX
+endif
+CFLAGS += -DGLUT_DISABLE_ATEXIT_HACK -D_STDCALL_SUPPORTED
+CFLAGS += -D_WINDEF_ -D_WINGDI_
+
+LD = mingw32-g++
+LDFLAGS = -s -L$(TOP)/lib
+
+LDLIBS = -lglut32 -lglu32 -lopengl32
+
+.c.o:
+	$(CC) -o $@ $(CFLAGS) -c $<
+%.exe: ../util/readtex.o ../util/showbuffer.o %.o
+	$(LD) -o $@ $(LDFLAGS) $^ $(LDLIBS)
+
+all:
+	$(error Must specify <filename.exe> to build)
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/samples/Makefile.win b/nx-X11/extras/Mesa_6.4.2/progs/samples/Makefile.win
new file mode 100644
index 000000000..e74568f7c
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/samples/Makefile.win
@@ -0,0 +1,41 @@
+
+# Mesa 3-D graphics library
+# Version:  3.5
+# Copyright (C) 1995-2001  Brian Paul
+
+# Makefile for GLUT-based demo programs for Windows
+
+!include <win32.mak>
+
+##### MACROS #####
+
+TOP    = ..
+INCDIR = ..\include
+LIBDIR = ..\lib
+
+PROGS = accum bitmap1 bitmap2 blendeq blendxor copy cursor depth eval fog \
+	font line logo nurb oglinfo olympic overlay point prim quad select \
+	shape sphere star stencil stretch texture tri wave
+
+SRCS = \
+    accum.c \
+    bitmap1.c \
+    bitmap2.c \
+    blendeq.c \
+    blendxor.c \
+    copy.c \
+    cursor.c depth.c eval.c fog.c \
+	font.c line.c logo.c nurb.c olympic.c overlay.c point.c prim.c quad.c select.c \
+	shape.c sphere.c star.c stencil.c stretch.c texture.c tri.c wave.c
+
+!include "../mesawin32.mak"
+
+##### TARGETS #####
+
+clean::
+
+clobber::
+
+$(EXES) : $*.obj
+	@echo $@
+	$(link) -out:$@ $* /LIBPATH:$(LIBDIR) $(LIBS)
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/samples/README b/nx-X11/extras/Mesa_6.4.2/progs/samples/README
new file mode 100644
index 000000000..853158873
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/samples/README
@@ -0,0 +1,520 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+accum - Accumulation test.
+    - RGBA, SB/DB (SB default).
+    - cmd line options:
+	-sb	Single buffer mode.
+	-db	Double buffer mode.
+    - keys:
+	ESC	Quit
+	1	Use filled polygon mode.
+	2	Use outlined polygon mode.
+
+bitmap1 - Bitmap test.
+    - RGBA/CI (RGBA default), SB/DB (SB default).
+    - cmd line options:
+	-rgb	RGBA mode.
+	-ci	Color index mode.
+	-sb	Single buffer mode.
+	-db	Double buffer mode.
+    - keys:
+	ESC	Quit.
+
+bitmap2 - Bitmap test.
+    - RGBA/CI (RGBA default), SB/DB (SB default).
+    - cmd line options:
+	-rgb	RGBA mode.
+	-ci	Color index mode.
+	-sb	Single buffer mode.
+	-db	Double buffer mode.
+    - keys:
+	ESC	Quit.
+	1	Toggle display list mode.
+	2	Toggle color animation mode.
+
+copy - Pixel copy test.
+    - RGBA, SB/DB (SB default).
+    - cmd line options:
+	-sb		Single buffer mode.
+	-db		Double buffer mode.
+	-dr		Direct render mode.
+	-ir		Indirect render mode.
+	-f <file name>	RGB image file.
+    - keys:
+	ESC		Quit.
+	Z		Increase zoom factor.
+	z		Decrease zoom factor.
+    - mouse input:
+	Left		Copy location.
+
+cursor - Cursor test.
+    - RGBA/CI (RGBA default), SB/DB (SB default).
+    - cmd line options:
+	-rgb	RGBA mode.
+	-ci	Color index mode.
+	-sb	Single buffer mode.
+	-db	Double buffer mode.
+    - keys:
+	ESC	Quit.
+	SPACE	switch cursor color.
+
+depth - Z buffer test.
+    - RGBA/CI (RGBA default), SB/DB (SB default).
+    - cmd line options:
+	-rgb	RGBA mode.
+	-ci	Color index mode.
+	-sb	Single buffer mode.
+	-db	Double buffer mode.
+    - keys:
+	ESC	Quit.
+	1	Toggle anti-aliased mode.
+	2	Toggle stipple mode.
+
+eval - Evaluator test.
+    - RGBA, SB/DB (SB default).
+    - cmd line options:
+	-sb	Single buffer mode.
+	-db	Double buffer mode.
+    - keys:
+	ESC	Quit.
+	LEFT	Rotate.
+	RIGHT	Rotate.
+	UP	Rotate.
+	DOWN	Rotate.
+	1	Toggle dimensions.
+	2	Toggle dimensions.
+	e	Use eval mode.
+	m	Use mesh mode.
+	f	Toggle polygon mode.
+	p	Toggle point mode.
+	c	Toggle color mode.
+	t	Toggle texture mode.
+	l	Toggle lighting mode.
+
+fog - Fog test.
+    - RGBA/CI (RGBA default), SB/DB (SB default).
+    - cmd line options:
+	-rgb	RGBA mode.
+	-ci	Color index mode.
+	-sb	Single buffer mode.
+	-db	Double buffer mode.
+    - keys:
+	ESC	Quit.
+	LEFT	Rotate.
+	RIGHT	Rotate.
+	UP	Rotate.
+	DOWN	Rotate.
+	D	Increase fog density.
+	d	Decrease fog density.
+
+font - font test.
+    - RGBA/CI (RGBA default), SB/DB (SB default).
+    - cmd line options:
+	-rgb	RGBA mode.
+	-ci	Color index mode.
+	-sb	Single buffer mode.
+	-db	Double buffer mode.
+    - keys:
+	ESC	Quit.
+	Left	Shift left.
+	Right	Shift right.
+	Up	Shift up.
+	Down	Shift down.
+	n	Shift in.
+	m	Shift out.
+	q	Scale up x.
+	w	Scale down x.
+	a	Scale up y.
+	s	Scale down y.
+	z	Scale up z.
+	x	Scale down z.
+	e	Rotate clockwise x.
+	r	Rotate counter-clockwise x.
+	d	Rotate clockwise y.
+	f	Rotate counter-clockwise y.
+	c	Rotate clockwise z.
+	v	Rotate counter-clockwise z.
+
+line - Line test.
+    - RGBA/CI (RGBA default), SB/DB (SB default).
+    - cmd line options:
+	-rgb	RGBA mode.
+	-ci	Color index mode.
+	-sb	Single buffer mode.
+	-db	Double buffer mode.
+    - keys:
+	ESC	Quit.
+	W	Increase line width.
+	w	Decrease line width.
+	1	Toggle stipple mode.
+	2	Toggle anti-aliased mode.
+
+logo - Demo.
+    - RGBA/CI (RGBA default), SB/DB (SB default).
+    - cmd line options:
+	-rgb	RGBA mode.
+	-ci	Color index mode.
+	-sb	Single buffer mode.
+	-db	Double buffer mode.
+    - keys:
+	ESC	Quit.
+	LEFT	Rotate.
+	RIGHT	Rotate
+	UP	Move clipping plane.
+	DOWN	Move clipping plane.
+	Z	Translate.
+	z	Translate.
+	1	Use GL_POINT polygon mode.
+	2	Use GL_LINE polygon mode.
+	3	Use GL_FILL polygon mode.
+	p	Toggle polygon fill modes.
+	4	Use GL_NICEST for GL_POLYGON_SMOOTH_HINT.
+	5	Use anti-aliased polygon mode.
+	6	Use aliased polygon mode.
+	8	Toggle dither mode.
+	9	Toggle stipple polygon mode.
+	0	Toggle flat/smooth shading mode.
+	q	Disable cull mode.
+	w	Use front face cull mode.
+	e	Use back face cull mode.
+	r	Use clockwise front face mode.
+	t 	Use counter-clockwise front face mode.
+	y	Use MSB first stipple pattern.
+	u	Use LSB first stipple pattern.
+	a	Use brick texture map.
+	s	Use checker texture map.
+	d	Disable texture map.
+	f	Use decal texture environment mode.
+	g	Use modulate texture environment mode.
+
+nurb - Nurb test.
+    - RGBA, SB/DB (SB default).
+    - cmd line options:
+	-sb	Single buffer mode.
+	-db	Double buffer mode.
+    - keys:
+	ESC	Quit.
+	LEFT	Rotate.
+	RIGHT	Rotate.
+	UP	Rotate.
+	DOWN	Rotate.
+
+olympic - Olymipic rings demo.
+    - RGBA/CI (RGBA default), SB/DB (SB default).
+    - cmd line options:
+	-rgb	RGBA mode.
+	-ci	Color index mode.
+	-sb	Single buffer mode.
+	-db	Double buffer mode.
+    - keys:
+	ESC	Quit.
+	SPACE	Restart demo.
+
+overlay - Overlay plane demo.
+    - RGBA, SB/DB (SB default).
+    - cmd line options:
+	-sb	Single buffer mode.
+	-db	Double buffer mode.
+    - keys:
+	ESC	Quit.
+	SPACE	Toggle star weird movement mode.
+	t	Toggle star turbo mode.
+
+point - Point test.
+    - RGBA/CI (RGBA default), SB/DB (SB default).
+    - cmd line options:
+	-rgb	RGBA mode.
+	-ci	Color index mode.
+	-sb	Single buffer mode.
+	-db	Double buffer mode.
+    - keys:
+	ESC	Quit.
+	LEFT	Translate.
+	RIGHT	Translate.
+	UP	Translate.
+	DOWN	Translate.
+	W	Increase point width.
+	w	Decrease point width.
+	1	Toggle anti-aliased mode.
+
+prim - Primitive test.
+    - RGBA/CI (RGBA default), SB/DB (SB default).
+    - cmd line options:
+	-rgb	RGBA mode.
+	-ci	Color index mode.
+	-sb	Single buffer mode.
+	-db	Double buffer mode.
+    - keys:
+	ESC	Quit.
+	1	Toggle flat/smooth shade mode.
+	2	Toggle outlined/filled polygon mode.
+	3	Toggle color mask mode.
+
+quad - Quadric test.
+    - RGBA/CI (RGBA default), SB/DB (SB default).
+    - cmd line options:
+	-rgb		RGBA mode.
+	-ci		Color index mode.
+	-sb		Single buffer mode.
+	-db		Double buffer mode.
+	-dr		Direct render mode.
+	-ir		Indirect render mode.
+	-f <file name>	texture file.
+    - keys:
+	ESC		Quit.
+	LEFT		Rotate.
+	RIGHT		Rotate.
+	UP		Rotate.
+	DOWN		Rotate.
+	X		Rotate.
+	x		Rotate.
+	1		Use GLU_FILL draw style.
+	2		Use GLU_POINT draw style.
+	3		Use GLU_LINE draw style.
+	4		Use GLU_SILHOUETTE draw style.
+	0		Toggle flat/smooth shade mode.
+	f		Cylce through quadrics.
+	d		Toggle orientation.
+	A		Increase number of stacks.
+	a		Decrease number of stacks.
+	S		Increase number of slices.
+	s		Decrease number of slices.
+	G		Increase radius1.
+	g		Decrease radius1.
+	J		Increase radius2.
+	j		Decrease radius2.
+	H		Increase height.
+	h		Decrease height.
+	K		Increase angle1.
+	k		Decrease angle1.
+	L		Increase angle2.
+	l		Decrease angle2.
+	z		Toggle texture mode.
+	q		Disable cull mode.
+	w		Use front face cull mode.
+	e		Use back face cull mode.
+	r		Use clockwise front face mode.
+	t 		Use counter-clockwise front face mode.
+	y		Toggle dither mode.
+
+select - Selection test.
+    - RGBA, SB.
+    - cmd line options:
+    - keys:
+	ESC	Quit.
+	LEFT	Rotate.
+	RIGHT	Rotate.
+	Z	Increase zoom factor.
+	z	Decrease zoom factor.
+	d	Zoom at current mouse location.
+	f	Print feedback information.
+	l	Toggle outlined/filled polygon mode.
+    - mouse:
+	Left	Recolor selected triangle.
+	Center	Enlarge selected triangle.
+	Right	Delete selected triangle.
+
+shape - shape test.
+    - RGBA/CI (RGBA default), SB/DB (SB default).
+    - cmd line options:
+	-rgb	RGBA mode.
+	-ci	Color index mode.
+	-sb	Single buffer mode.
+	-db	Double buffer mode.
+    - keys:
+	ESC	Quit.
+	Left	Shift left.
+	Right	Shift right.
+	Up	Shift up.
+	Down	Shift down.
+	n	Shift in.
+	m	Shift out.
+	q	Scale up x.
+	w	Scale down x.
+	a	Scale up y.
+	s	Scale down y.
+	z	Scale up z.
+	x	Scale down z.
+	e	Rotate clockwise x.
+	r	Rotate counter-clockwise x.
+	d	Rotate clockwise y.
+	f	Rotate counter-clockwise y.
+	c	Rotate clockwise z.
+	v	Rotate counter-clockwise z.
+	SPACE	switch shapes.
+
+speed - Speed test.
+    - RGBA/CI (RGBA default), SB/DB (SB default).
+    - cmd line options:
+	-rgb	RGBA mode.
+	-ci	Color index mode.
+	-sb	Single buffer mode.
+	-db	Double buffer mode.
+    - keys:
+	ESC	Quit.
+	a	Toggle anti-aliased mode.
+	d	Toggle z buffering mode.
+	f	Toggle fog mode.
+	F	Toggle fog hint mode.
+	s	Toggle flat/smooth shading mode.
+	t	Toggle texturing mode.
+
+sphere - Spheremap test.
+    - RGBA, SB/DB (SB default).
+    - cmd line options:
+	-sb		Single buffer mode.
+	-db		Double buffer mode.
+	-dr		Direct render mode.
+	-ir		Indirect render mode.
+	-f <file name>	texture file.
+	-3		Use RGB components.
+	-4		Use RGBA components.
+    - keys:
+	ESC		Quit.
+        LEFT		Rotate about the y axis.
+        RIGHT		Rotate about the y axis.
+        UP		Rotate about the x axis.
+        DOWN		Rotate about the x axis.
+        a		Toggle auto rotate mode.
+        c		toggle between cylinder or cube object.
+        t		Use torus object.
+        d		Use decal texture mode.
+      	m		Use modulate texture mode.
+        l		Toggle lighted mode.
+        f		Toggle fog mode.
+        0		Use nearest magification filter.
+        1		Use linear magification.
+        2		Use nearest minification filter.
+        3		Use linear minification filter. 
+        4		Use nearest-mipmap-nearest minification filter. 
+        5		Use nearest-mipmap-linear minification filter. 
+        6		Use linear-mipmap-nearest minification filter. 
+        7		Use linear-mipmap-linear minification filter. 
+
+star - Demo.
+    - RGBA, SB/DB (SB default).
+    - cmd line options:
+	-sb	Single buffer mode.
+	-db	Double buffer mode.
+    - keys:
+	ESC	Quit.
+	SPACE	Toggle weird movement mode.
+	t	Toggle turbo mode.
+
+stencil - Stencil test.
+    - RGBA, SB.
+    - cmd line options:
+
+stretch - Texture test.
+    - RGBA, SB.
+    - cmd line options:
+	-sb		Single buffer mode.
+	-db		Double buffer mode.
+	-dr		Direct render mode.
+	-ir		Indirect render mode.
+	-f <file name>	texture file.
+    - keys:
+	ESC		Quit.
+	SPACE		Start animation.
+    - mouse:
+	Left		Added stretch point.
+
+texture - Texture test.
+    - RGBA, SB/DB (SB default).
+    - cmd line options:
+	-sb		Single buffer mode.
+	-db		Double buffer mode.
+	-dr		Direct render mode.
+	-ir		Indirect render mode.
+	-f <file name>	texture file.
+    - keys:
+	ESC		Quit.
+	LEFT		Rotate.
+	RIGHT		Rotate.
+	UP		Rotate.
+	DOWN		Rotate.
+	T		Translate.
+	t		Translate.
+	s		Toggle sphere map mode.
+	0		Use nearest magification filter.
+	1		Use linear magification filter.
+	2		Use nearest minification filter.
+	3		Use linear minification filter.
+	4		Use nearest-mipmap-nearest minification filter.
+	5		Use nearest-mipmap-linear minification filter.
+	6		Use linear-mipmap-nearest minification filter.
+	7		Use linear-mipmap-linear minification filter.
+
+tri - Triangle test.
+    - RGBA/CI (RGBA default), SB/DB (SB default).
+    - cmd line options:
+	-rgb	RGBA mode.
+	-ci	Color index mode.
+	-sb	Single buffer mode.
+	-db	Double buffer mode.
+    - keys:
+	ESC	Quit.
+	LEFT	Translate.
+	RIGHT	Translate.
+	Z	Increase zoom factor.
+	z	Decrease zoom factor.
+	1	Use point polygon mode.
+	2	Use line polygon mode.
+	3	Use filled polygon mode.
+	4	Use point primitive.
+	5	Use line-loop primitive.
+	6	Use polygon primitive.
+	7	Toggle cull mode.
+	8	Use clockwise/counter-clockwise front face mode.
+	9	Toggle front/back face cull mode.
+	v	Toggle show verticies mode.
+	s	Toggle flat/smooth shade mode.
+	h	Toggle hide bottom triangle mode.
+	o	Toggle outline mode.
+	m	Toggle dither mode.
+	0	Toggle anti-aliased mode.
+
+wave - Demo.
+    - RGBA/CI (RGBA default), SB/DB (SB default).
+    - cmd line options:
+	-rgb		RGBA mode.
+	-ci		Color index mode.
+	-sb		Single buffer mode.
+	-db		Double buffer mode.
+	-dr		Direct render mode.
+	-ir		Indirect render mode.
+	-grid <x> <y>	Number of grids.
+	-size <number>	Size of grid.
+	-wave <number>	Height of wave (floating point number).
+	-frames <count>	Number of frames.
+    - keys:
+	ESC		Quit.
+	c		Toggle contouring mode.
+	s		Toggle flat/smooth shade mode.
+	l		Toggle lighting mode.
+	d		Toggle depth checking mode.
+	SPACE		Toggle step/animation mode.
+	n		Single step in step mode.
+	a		Toggle spin mode.
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/samples/accum.c b/nx-X11/extras/Mesa_6.4.2/progs/samples/accum.c
new file mode 100644
index 000000000..24dfc07d2
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/samples/accum.c
@@ -0,0 +1,157 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+GLenum doubleBuffer;
+GLint thing1, thing2;
+
+
+static void Init(void)
+{
+
+    glClearColor(0.0, 0.0, 0.0, 0.0);
+    glClearAccum(0.0, 0.0, 0.0, 0.0);
+
+    thing1 = glGenLists(1);
+    glNewList(thing1, GL_COMPILE);
+	glColor3f(1.0, 0.0, 0.0);
+	glRectf(-1.0, -1.0, 1.0, 0.0);
+    glEndList();
+
+    thing2 = glGenLists(1);
+    glNewList(thing2, GL_COMPILE);
+	glColor3f(0.0, 1.0, 0.0);
+	glRectf(0.0, -1.0, 1.0, 1.0);
+    glEndList();
+}
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glMatrixMode(GL_MODELVIEW);
+    glLoadIdentity();
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+    (void) x;
+    (void) y;
+    switch (key) {
+      case 27:
+	exit(1);
+      case '1':
+	glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
+	break;
+      case '2':
+	glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
+	break;
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+
+    glPushMatrix();
+
+    glScalef(0.8, 0.8, 1.0);
+
+    glClear(GL_COLOR_BUFFER_BIT);
+    glCallList(thing1);
+    glAccum(GL_LOAD, 0.5);
+
+    glClear(GL_COLOR_BUFFER_BIT);
+    glCallList(thing2);
+    glAccum(GL_ACCUM, 0.5);
+
+    glAccum(GL_RETURN, 1.0);
+
+    glPopMatrix();
+
+    glFlush();
+
+    if (doubleBuffer) {
+	glutSwapBuffers();
+    }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+	if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    printf("%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(0, 0);
+    glutInitWindowSize( 300, 300);
+
+    type = GLUT_RGB | GLUT_ACCUM;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("Accum Test") == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/samples/bitmap1.c b/nx-X11/extras/Mesa_6.4.2/progs/samples/bitmap1.c
new file mode 100644
index 000000000..517d584e2
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/samples/bitmap1.c
@@ -0,0 +1,250 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define OPENGL_WIDTH 24
+#define OPENGL_HEIGHT 13
+
+
+GLenum rgb, doubleBuffer, windType;
+
+float boxA[3] = {
+    0, 0, 0
+};
+float boxB[3] = {
+    -100, 0, 0
+};
+float boxC[3] = {
+    100, 0, 0
+};
+float boxD[3] = {
+    0, 95, 0
+};
+float boxE[3] = {
+    0, -105, 0
+};
+GLubyte OpenGL_bits1[] = {
+   0x00, 0x03, 0x00,
+   0x7f, 0xfb, 0xff,
+   0x7f, 0xfb, 0xff,
+   0x00, 0x03, 0x00,
+   0x3e, 0x8f, 0xb7,
+   0x63, 0xdb, 0xb0,
+   0x63, 0xdb, 0xb7,
+   0x63, 0xdb, 0xb6,
+   0x63, 0x8f, 0xf3,
+   0x63, 0x00, 0x00,
+   0x63, 0x00, 0x00,
+   0x63, 0x00, 0x00,
+   0x3e, 0x00, 0x00,
+};
+GLubyte OpenGL_bits2[] = {
+   0x00, 0x00, 0x00,
+   0xff, 0xff, 0x01,
+   0xff, 0xff, 0x01, 
+   0x00, 0x00, 0x00,
+   0xf9, 0xfc, 0x01, 
+   0x8d, 0x0d, 0x00,
+   0x8d, 0x0d, 0x00, 
+   0x8d, 0x0d, 0x00,
+   0xcc, 0x0d, 0x00, 
+   0x0c, 0x4c, 0x0a,
+   0x0c, 0x4c, 0x0e, 
+   0x8c, 0xed, 0x0e,
+   0xf8, 0x0c, 0x00, 
+};
+GLubyte logo_bits[] = {
+   0x00, 0x66, 0x66, 
+   0xff, 0x66, 0x66, 
+   0x00, 0x00, 0x00, 
+   0xff, 0x3c, 0x3c, 
+   0x00, 0x42, 0x40, 
+   0xff, 0x42, 0x40, 
+   0x00, 0x41, 0x40, 
+   0xff, 0x21, 0x20, 
+   0x00, 0x2f, 0x20, 
+   0xff, 0x20, 0x20, 
+   0x00, 0x10, 0x90, 
+   0xff, 0x10, 0x90, 
+   0x00, 0x0f, 0x10, 
+   0xff, 0x00, 0x00, 
+   0x00, 0x66, 0x66, 
+   0xff, 0x66, 0x66, 
+};
+
+#include "tkmap.c"
+
+static void Init(void)
+{
+
+    glClearColor(0.0, 0.0, 0.0, 0.0);
+    glClearIndex(0.0);
+}
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    gluOrtho2D(-175, 175, -175, 175);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+        exit(1);
+    }
+}
+
+static void Draw(void)
+{
+    float mapI[2], mapIA[2], mapIR[2];
+
+    glClear(GL_COLOR_BUFFER_BIT);
+
+    mapI[0] = 0.0;
+    mapI[1] = 1.0;
+    mapIR[0] = 0.0;
+    mapIR[1] = 0.0;
+    mapIA[0] = 1.0;
+    mapIA[1] = 1.0;
+    
+    glPixelMapfv(GL_PIXEL_MAP_I_TO_R, 2, mapIR);
+    glPixelMapfv(GL_PIXEL_MAP_I_TO_G, 2, mapI);
+    glPixelMapfv(GL_PIXEL_MAP_I_TO_B, 2, mapI);
+    glPixelMapfv(GL_PIXEL_MAP_I_TO_A, 2, mapIA);
+    glPixelTransferi(GL_MAP_COLOR, GL_TRUE);
+    
+    SetColor(COLOR_WHITE);
+    glRasterPos3fv(boxA);
+    glPixelStorei(GL_UNPACK_ROW_LENGTH, 24);
+    glPixelStorei(GL_UNPACK_SKIP_PIXELS, 8);
+    glPixelStorei(GL_UNPACK_SKIP_ROWS, 2);
+    glPixelStorei(GL_UNPACK_LSB_FIRST, GL_FALSE);
+    glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+    glBitmap(16, 12, 8.0, 0.0, 0.0, 0.0, logo_bits);
+
+    glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
+    glPixelStorei(GL_UNPACK_SKIP_PIXELS, 0);
+    glPixelStorei(GL_UNPACK_SKIP_ROWS, 0);
+    glPixelStorei(GL_UNPACK_LSB_FIRST, GL_TRUE);
+    glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+
+    SetColor(COLOR_WHITE);
+    glRasterPos3fv(boxB);
+    glBitmap(OPENGL_WIDTH, OPENGL_HEIGHT, OPENGL_WIDTH, 0.0, OPENGL_WIDTH, 0.0,
+	     OpenGL_bits1);
+    glBitmap(OPENGL_WIDTH, OPENGL_HEIGHT, OPENGL_WIDTH, 0.0, OPENGL_WIDTH, 0.0,
+	     OpenGL_bits2);
+
+    SetColor(COLOR_YELLOW);
+    glRasterPos3fv(boxC);
+    glBitmap(OPENGL_WIDTH, OPENGL_HEIGHT, OPENGL_WIDTH, 0.0, OPENGL_WIDTH, 0.0,
+	     OpenGL_bits1);
+    glBitmap(OPENGL_WIDTH, OPENGL_HEIGHT, OPENGL_WIDTH, 0.0, OPENGL_WIDTH, 0.0,
+	     OpenGL_bits2);
+
+    SetColor(COLOR_CYAN);
+    glRasterPos3fv(boxD);
+    glBitmap(OPENGL_WIDTH, OPENGL_HEIGHT, OPENGL_WIDTH, 0.0, OPENGL_WIDTH, 0.0,
+	     OpenGL_bits1);
+    glBitmap(OPENGL_WIDTH, OPENGL_HEIGHT, OPENGL_WIDTH, 0.0, OPENGL_WIDTH, 0.0,
+	     OpenGL_bits2);
+
+    SetColor(COLOR_RED);
+    glRasterPos3fv(boxE);
+    glBitmap(OPENGL_WIDTH, OPENGL_HEIGHT, OPENGL_WIDTH, 0.0, OPENGL_WIDTH, 0.0,
+	     OpenGL_bits1);
+    glBitmap(OPENGL_WIDTH, OPENGL_HEIGHT, OPENGL_WIDTH, 0.0, OPENGL_WIDTH, 0.0,
+	     OpenGL_bits2);
+
+    glFlush();
+
+    if (doubleBuffer) {
+	glutSwapBuffers();
+    }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    rgb = GL_TRUE;
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+	if (strcmp(argv[i], "-ci") == 0) {
+	    rgb = GL_FALSE;
+	} else if (strcmp(argv[i], "-rgb") == 0) {
+	    rgb = GL_TRUE;
+	} else if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    printf("%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(0, 0); glutInitWindowSize( 300, 300);
+
+    windType = (rgb) ? GLUT_RGB : GLUT_INDEX;
+    windType |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(windType);
+
+    if (glutCreateWindow("Bitmap Test") == GL_FALSE) {
+	exit(1);
+    }
+
+    InitMap();
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/samples/bitmap2.c b/nx-X11/extras/Mesa_6.4.2/progs/samples/bitmap2.c
new file mode 100644
index 000000000..5faac8416
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/samples/bitmap2.c
@@ -0,0 +1,787 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define EXP_WIDTH 80
+#define EXP_HEIGHT 80
+
+
+GLenum rgb, doubleBuffer, windType;
+
+#include "tkmap.c"
+
+GLenum useLists, abuse;
+GLubyte exp_bits[7][800] = {
+    {
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+       0x00, 0x00, 0x00, 0x00, 0x40, 0x02, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x20, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x08, 0x02, 0x80, 0x20, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x02, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x80, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x80, 0x82, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x80, 0x00, 0x00, 0x40, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00,
+       0xc0, 0x00, 0x00, 0x80, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x50, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x40, 0x01, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x02, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x40, 0x0d, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+    },
+    {
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe0, 0x07, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe0, 0x1f, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x00,
+       0x02, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x04, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x88, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00,
+       0x70, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x70, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0xd0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
+       0x88, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x01, 0x10, 0x00, 0x00, 0x04, 0x00, 0x00, 0x20, 0x00,
+       0x02, 0x02, 0x08, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x80, 0x00, 0x00, 0x00, 0x00, 0x60, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0xc0, 0x00, 0x40, 0x00, 0x02, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x40, 0x00,
+       0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x01,
+       0x00, 0x04, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80,
+       0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00,
+       0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x80, 0x06, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x04, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x02, 0x20, 0x00, 0x00,
+       0x08, 0x00, 0x00, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x14, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x84, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00
+    },
+    {
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x01, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x04, 0x00, 0x00, 0x80, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00,
+       0x21, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00,
+       0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04,
+       0x00, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x01, 0x00, 0x90, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+    }
+};
+GLint exp_lists[7];
+
+
+static void Init(void)
+{
+    GLint i;
+
+    glClearColor(0.0, 0.0, 0.0, 0.0);
+    glClearIndex(0.0);
+
+    glPixelStorei(GL_UNPACK_LSB_FIRST, GL_TRUE);
+    glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+    for (i = 0; i < 7; i++) {
+	exp_lists[i] = glGenLists(1);
+	glNewList(exp_lists[i], GL_COMPILE);
+	    glBitmap(80, 80, 40.0, 40.0, 0.0, 0.0, exp_bits[i]);
+	glEndList();
+    }
+
+    abuse = GL_FALSE;
+    useLists = GL_TRUE;
+}
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    gluOrtho2D(-175, 175, -175, 175);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+        exit(1);
+      case '1':
+	useLists = !useLists;
+        break;
+      case '2':
+	abuse = !abuse;
+        break;
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+    GLint i, j;
+
+    glClear(GL_COLOR_BUFFER_BIT);
+
+    for (i = 0; i < 7; i++) {
+	for (j = 0; j < 40; j++) {
+	    switch (j % 7) {
+	      case 0:
+		SetColor(COLOR_YELLOW);
+		break;
+	      case 1:
+		SetColor(COLOR_GREEN);
+		break;
+	      case 2:
+		SetColor(COLOR_BLUE);
+		break;
+	      case 3:
+		SetColor(COLOR_MAGENTA);
+		break;
+	      case 4:
+		SetColor(COLOR_CYAN);
+		break;
+	      case 5:
+		SetColor(COLOR_WHITE);
+		break;
+	      case 6:
+		SetColor(COLOR_RED);
+		break;
+	    }
+	    glRasterPos3i((j*3)%5, (j*3)%8, 0);
+
+	    if (useLists) {
+	    	glCallList(exp_lists[i]); 
+	    } else {
+		glBitmap(80, 80, 40.0, 40.0, 0.0, 0.0, exp_bits[i]);
+	    }
+	    if (!abuse) {
+		break;
+	    }
+	}
+
+	if (i == 6) {
+	    break;
+	}
+
+	for (j = 0; j < 40; j++) {
+	    SetColor(COLOR_BLACK);
+	    glRasterPos3i((j*3)%5, (j*3)%8, 0);
+	    if (useLists) {
+		glCallList(exp_lists[i]); 
+	    } else {
+		glBitmap(80, 80, 40.0, 40.0, 0.0, 0.0, exp_bits[i]);
+	    }
+	    if (!abuse) {
+		break;
+	    }
+	}
+    }
+
+    glFlush();
+
+    if (doubleBuffer) {
+	glutSwapBuffers();
+    }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    rgb = GL_TRUE;
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+	if (strcmp(argv[i], "-ci") == 0) {
+	    rgb = GL_FALSE;
+	} else if (strcmp(argv[i], "-rgb") == 0) {
+	    rgb = GL_TRUE;
+	} else if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    printf("%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(0, 0); glutInitWindowSize( 300, 300);
+
+    windType = (rgb) ? GLUT_RGB : GLUT_INDEX;
+    windType |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(windType);
+
+    if (glutCreateWindow("Bitmap Test") == GL_FALSE) {
+	exit(1);
+    }
+
+    InitMap();
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/samples/blendeq.c b/nx-X11/extras/Mesa_6.4.2/progs/samples/blendeq.c
new file mode 100644
index 000000000..f78afd303
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/samples/blendeq.c
@@ -0,0 +1,319 @@
+/*
+** blendeq.c - Demonstrates the use of the blend_minmax, blend_subtract,
+**    and blend_logic_op extensions using glBlendEquationEXT.
+**
+**    Over a two-color backround, draw rectangles using twelve blend
+**    options.  The values are read back as UNSIGNED_BYTE and printed
+**    in hex over each value.  These values are useful for logic
+**    op comparisons when channels are 8 bits deep.
+*/
+
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+#ifdef _WIN32
+#include <windows.h>
+#endif
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+
+GLenum doubleBuffer;
+static int dithering = 0;
+int use11ops = 0;
+int supportlogops = 0;
+static int doPrint = 1;
+static int deltaY;
+GLint windW, windH;
+
+static void DrawString(const char *string)
+{
+    int i;
+
+    for (i = 0; string[i]; i++)
+	glutBitmapCharacter(GLUT_BITMAP_9_BY_15, string[i]);
+}
+
+static void Init(void)
+{
+
+    glDisable(GL_DITHER);
+    glShadeModel(GL_FLAT);
+}
+
+static void Reshape(int width, int height)
+{
+
+    windW = (GLint)width;
+    windH = (GLint)height;
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+    deltaY = windH /16;
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    gluOrtho2D(0, windW, 0, windH);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      case 'd':
+	dithering = !dithering;
+	break;
+      case 'l':
+        if (supportlogops == 3)
+           use11ops = (!use11ops);
+        if (use11ops)
+           printf("Using GL 1.1 color logic ops.\n");
+        else printf("Using GL_EXT_blend_logic_op.\n");
+        break;
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void PrintColorStrings( void )
+{
+    GLubyte ubbuf[3];
+    int i, xleft, xright;
+    char colorString[18];
+
+    xleft = 5 + windW/4;
+    xright = 5 + windW/2;
+
+    for (i = windH - deltaY + 4; i > 0; i-=deltaY) {
+        glReadPixels(xleft, i+10, 1, 1, GL_RGB, GL_UNSIGNED_BYTE, ubbuf);
+        sprintf(colorString, "(0x%x, 0x%x, 0x%x)",
+                ubbuf[0], ubbuf[1], ubbuf[2]);
+        glRasterPos2f(xleft, i);
+	DrawString(colorString);
+        glReadPixels(xright, i+10, 1, 1, GL_RGB, GL_UNSIGNED_BYTE, ubbuf);
+        sprintf(colorString, "(0x%x, 0x%x, 0x%x)",
+                ubbuf[0], ubbuf[1], ubbuf[2]);
+        glRasterPos2f(xright, i);
+	DrawString(colorString);
+    }
+}
+
+static void Draw(void)
+{
+    int stringOffset = 5, stringx = 8;
+    int x1, x2, xleft, xright;
+    int i;
+
+    (dithering) ? glEnable(GL_DITHER) : glDisable(GL_DITHER);
+    glDisable(GL_BLEND);
+    if (supportlogops & 2)
+       glDisable(GL_COLOR_LOGIC_OP);
+
+    glClearColor(0.5, 0.6, 0.1, 1.0);
+    glClear(GL_COLOR_BUFFER_BIT);
+
+    /* Draw background */
+    glColor3f(0.1, 0.1, 1.0);
+    glRectf(0.0, 0.0, windW/2, windH);
+
+    /* Draw labels */
+    glColor3f(0.8, 0.8, 0.0);
+    i = windH - deltaY + stringOffset;
+    glRasterPos2f(stringx, i); i -= deltaY;
+    DrawString("SOURCE");
+    glRasterPos2f(stringx, i); i -= deltaY;
+    DrawString("DEST");
+    glRasterPos2f(stringx, i); i -= deltaY;
+    DrawString("min");
+    glRasterPos2f(stringx, i); i -= deltaY;
+    DrawString("max");
+    glRasterPos2f(stringx, i); i -= deltaY;
+    DrawString("subtract");
+    glRasterPos2f(stringx, i); i -= deltaY;
+    DrawString("reverse_subtract");
+    glRasterPos2f(stringx, i); i -= deltaY;
+    DrawString("clear");
+    glRasterPos2f(stringx, i); i -= deltaY;
+    DrawString("set");
+    glRasterPos2f(stringx, i); i -= deltaY;
+    DrawString("copy");
+    glRasterPos2f(stringx, i); i -= deltaY;
+    DrawString("noop");
+    glRasterPos2f(stringx, i); i -= deltaY;
+    DrawString("and");
+    glRasterPos2f(stringx, i); i -= deltaY;
+    DrawString("invert");
+    glRasterPos2f(stringx, i); i -= deltaY;
+    DrawString("or");
+    glRasterPos2f(stringx, i); i -= deltaY;
+    DrawString("xor");
+
+
+    i = windH - deltaY;
+    x1 = windW/4;
+    x2 = 3 * windW/4;
+    xleft = 5 + windW/4;
+    xright = 5 + windW/2;
+
+    /* Draw foreground color for comparison */
+    glColor3f(0.9, 0.2, 0.8);
+    glRectf(x1, i, x2, i+deltaY);
+
+    /* Leave one rectangle of background color */
+
+    /* Begin test cases */
+    glEnable(GL_BLEND);
+    glBlendFunc(GL_ONE, GL_ONE);
+
+    i -= 2*deltaY;
+    glBlendEquationEXT(GL_MIN_EXT);
+    glRectf(x1, i, x2, i+deltaY);
+
+    i -= deltaY;
+    glBlendEquationEXT(GL_MAX_EXT);
+    glRectf(x1, i, x2, i+deltaY);
+
+    i -= deltaY;
+    glBlendEquationEXT(GL_FUNC_SUBTRACT_EXT);
+    glRectf(x1, i, x2, i+deltaY);
+
+    i -= deltaY;
+    glBlendEquationEXT(GL_FUNC_REVERSE_SUBTRACT_EXT);
+    glRectf(x1, i, x2, i+deltaY);
+
+    glBlendFunc(GL_ONE, GL_ZERO);
+    i -= deltaY;
+    if (!use11ops)
+       glBlendEquationEXT(GL_LOGIC_OP);
+    else
+       glEnable(GL_COLOR_LOGIC_OP);
+    glLogicOp(GL_CLEAR);
+    glRectf(x1, i, x2, i+deltaY);
+
+    i -= deltaY;
+    glLogicOp(GL_SET);
+    glRectf(x1, i, x2, i+deltaY);
+
+    i -= deltaY;
+    glLogicOp(GL_COPY);
+    glRectf(x1, i, x2, i+deltaY);
+
+    i -= deltaY;
+    glLogicOp(GL_NOOP);
+    glRectf(x1, i, x2, i+deltaY);
+
+    i -= deltaY;
+    glLogicOp(GL_AND);
+    glRectf(x1, i, x2, i+deltaY);
+
+    i -= deltaY;
+    glLogicOp(GL_INVERT);
+    glRectf(x1, i, x2, i+deltaY);
+
+    i -= deltaY;
+    glLogicOp(GL_OR);
+    glRectf(x1, i, x2, i+deltaY);
+
+    i -= deltaY;
+    glLogicOp(GL_XOR);
+    glRectf(x1, i, x2, i+deltaY);
+    glRectf(x1, i+10, x2, i+5);
+
+  if (doPrint) {
+      glDisable(GL_BLEND);
+      if (supportlogops & 2)
+          glDisable(GL_COLOR_LOGIC_OP);
+      glColor3f(1.0, 1.0, 1.0);
+      PrintColorStrings();
+  }
+  glFlush();
+
+    if (doubleBuffer) {
+       glutSwapBuffers();
+    }
+
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+	if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    printf("%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+    char *s;
+    char *extName1 = "GL_EXT_blend_logic_op";
+    char *extName2 = "GL_EXT_blend_minmax";
+    char *extName3 = "GL_EXT_blend_subtract";
+    char *version;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(0, 0); glutInitWindowSize( 800, 400);
+
+    type = GLUT_RGB;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("Blend Equation") == GL_FALSE) {
+	exit(1);
+    }
+
+    /* Make sure blend_logic_op extension is there. */
+    s = (char *) glGetString(GL_EXTENSIONS);
+    version = (char*) glGetString(GL_VERSION);
+    if (!s)
+	exit(1);
+    if (strstr(s,extName1)) {
+	supportlogops = 1;
+        use11ops = 0;
+        printf("blend_logic_op extension available.\n");
+    }
+    if (strncmp(version,"1.1",3)>=0) {
+    	supportlogops += 2;
+        use11ops = 1;
+	printf("1.1 color logic ops available.\n");
+    }
+    if (supportlogops == 0) {
+    	printf("Blend_logic_op extension and GL 1.1 not present.\n");
+	exit(1);
+    }
+    if (strstr(s,extName2) == 0) {
+	printf("Blend_minmax extension is not present.\n");
+	exit(1);
+    }
+    if (strstr(s,extName3) == 0) {
+	printf("Blend_subtract extension is not present.\n");
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+    return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/samples/blendxor.c b/nx-X11/extras/Mesa_6.4.2/progs/samples/blendxor.c
new file mode 100644
index 000000000..5bc4aa9be
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/samples/blendxor.c
@@ -0,0 +1,206 @@
+/*
+** blendxor.c - Demonstrates the use of the blend_logic_op
+**    extension to draw hilights.  Using XOR to draw the same
+**    image twice restores the background to its original value.
+*/
+
+#include <stdio.h>
+#include <string.h>
+#ifndef _WIN32
+#include <unistd.h>
+#endif
+#include <stdlib.h>
+#ifdef _WIN32
+#include <windows.h>
+#endif
+#define GL_GLEXT_LEGACY
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+#include <GL/glext.h>
+
+
+GLenum doubleBuffer;
+int dithering = 0;
+int use11ops = 0;
+int supportlogops = 0;
+GLint windW, windH;
+
+static void Init(void)
+{
+    glDisable(GL_DITHER);
+    glShadeModel(GL_FLAT);
+}
+
+static void Reshape(int width, int height)
+{
+
+    windW = (GLint)width;
+    windH = (GLint)height;
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    gluOrtho2D(0, 400, 0, 400);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      case 'd':
+	dithering = !dithering;
+	break;
+      case 'l':
+        if (supportlogops == 3)
+           use11ops = (!use11ops);
+        if (use11ops)
+           printf("Using GL 1.1 color logic ops.\n");
+        else printf("Using GL_EXT_blend_logic_op.\n");
+        break;
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+    int i;
+
+    glDisable(GL_BLEND);
+    if (supportlogops & 2)
+       glDisable(GL_COLOR_LOGIC_OP);
+
+    (dithering) ? glEnable(GL_DITHER) : glDisable(GL_DITHER);
+
+    glClearColor(0.5, 0.6, 0.1, 1.0);
+    glClear(GL_COLOR_BUFFER_BIT);
+
+    /* Draw background prims */
+    glColor3f(0.1, 0.1, 1.0);
+    glBegin(GL_TRIANGLES);
+        glVertex2i(5, 5);
+        glVertex2i(130, 50);
+        glVertex2i(100,  300);
+    glEnd();
+    glColor3f(0.5, 0.2, 0.9);
+    glBegin(GL_TRIANGLES);
+        glVertex2i(200, 100);
+        glVertex2i(330, 50);
+        glVertex2i(340,  400);
+    glEnd();
+
+    glEnable(GL_BLEND);
+    if (!use11ops)
+       glBlendEquationEXT(GL_LOGIC_OP);
+    else
+       glEnable(GL_COLOR_LOGIC_OP);
+    glLogicOp(GL_XOR);
+
+    /* Draw a set of rectangles across the window */
+    glColor3f(0.9, 0.2, 0.8);
+    for(i = 0; i < 400; i+=60) {
+        glBegin(GL_POLYGON);
+            glVertex2i(i, 100);
+            glVertex2i(i+50, 100);
+            glVertex2i(i+50, 200);
+            glVertex2i(i, 200);
+        glEnd();
+    }
+    glFlush();   /* Added by Brian Paul */
+#ifndef _WIN32
+    sleep(2);
+#endif
+
+    /* Redraw  the rectangles, which should erase them */
+    for(i = 0; i < 400; i+=60) {
+        glBegin(GL_POLYGON);
+            glVertex2i(i, 100);
+            glVertex2i(i+50, 100);
+            glVertex2i(i+50, 200);
+            glVertex2i(i, 200);
+        glEnd();
+    }
+    glFlush();
+
+
+    if (doubleBuffer) {
+	glutSwapBuffers();
+    }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+	if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    printf("%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+    char *s;
+    char *extName = "GL_EXT_blend_logic_op";
+    char *version;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(0, 0); glutInitWindowSize( 400, 400);
+
+    type = GLUT_RGB;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("Blend XOR") == GL_FALSE) {
+	exit(1);
+    }
+
+    /* Make sure blend_logic_op extension is there. */
+    s = (char *) glGetString(GL_EXTENSIONS);
+    version = (char*) glGetString(GL_VERSION);
+    if (!s)
+	exit(1);
+    if (strstr(s,extName)) {
+	supportlogops = 1;
+        use11ops = 0;
+        printf("blend_logic_op extension available.\n");
+    }
+    if (strncmp(version,"1.1",3)>=0) {
+    	supportlogops += 2;
+        use11ops = 1;
+	printf("1.1 color logic ops available.\n");
+    }
+    if (supportlogops == 0) {
+    	printf("Blend_logic_op extension and GL 1.1 not present.\n");
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/samples/copy.c b/nx-X11/extras/Mesa_6.4.2/progs/samples/copy.c
new file mode 100644
index 000000000..391c637d6
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/samples/copy.c
@@ -0,0 +1,193 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#include "loadppm.c"
+
+GLenum doubleBuffer;
+GLint windW, windH;
+
+char *fileName = 0;
+PPMImage *image;
+float point[3];
+float zoom;
+GLint x, y;
+
+static void Init(void)
+{
+
+    glClearColor(0.0, 0.0, 0.0, 0.0);
+
+    x = 0;
+    y = windH;
+    zoom = 1.8;
+}
+
+static void Reshape(int width, int height)
+{
+
+    windW = (GLint)width;
+    windH = (GLint)height;
+
+    glViewport(0, 0, windW, windH);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    gluOrtho2D(0, windW, 0, windH);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+        exit(1);
+      case 'Z':
+	zoom += 0.2;
+	break;
+      case 'z':
+	zoom -= 0.2;
+	if (zoom < 0.2) {
+	    zoom = 0.2;
+	}
+	break;
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Mouse(int button, int state, int mouseX, int mouseY)
+{
+    if (state != GLUT_DOWN)
+	return;
+    x = (GLint)mouseX;
+    y = (GLint)mouseY;
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+
+    glClear(GL_COLOR_BUFFER_BIT);
+
+    point[0] = (windW / 2) - (image->sizeX / 2);
+    point[1] = (windH / 2) - (image->sizeY / 2);
+    point[2] = 0;
+    glRasterPos3fv(point);
+
+    glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+    glPixelZoom(1.0, 1.0);
+    glDrawPixels(image->sizeX, image->sizeY, GL_RGB, GL_UNSIGNED_BYTE,
+		 image->data);
+
+    point[0] = (float)x;
+    point[1] = windH - (float)y;
+    point[2] = 0.0;
+    glRasterPos3fv(point);
+
+    glPixelZoom(zoom, zoom);
+    glCopyPixels((windW/2)-(image->sizeX/2),
+		 (windH/2)-(image->sizeY/2),
+		 image->sizeX, image->sizeY, GL_COLOR);
+
+    glFlush();
+
+    if (doubleBuffer) {
+	glutSwapBuffers();
+    }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+	if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else if (strcmp(argv[i], "-f") == 0) {
+	    if (i+1 >= argc || argv[i+1][0] == '-') {
+		printf("-f (No file name).\n");
+		return GL_FALSE;
+	    } else {
+		fileName = argv[++i];
+	    }
+	} else {
+	    printf("%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    if (fileName == 0) {
+	printf("No image file.\n");
+	exit(1);
+    }
+
+    image = LoadPPM(fileName);
+
+    windW = 300;
+    windH = 300;
+    glutInitWindowPosition(0, 0); glutInitWindowSize( windW, windH);
+
+    type = GLUT_RGB;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("Copy Test") == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutMouseFunc(Mouse);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/samples/cursor.c b/nx-X11/extras/Mesa_6.4.2/progs/samples/cursor.c
new file mode 100644
index 000000000..de8fc5855
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/samples/cursor.c
@@ -0,0 +1,150 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+GLenum rgb, doubleBuffer, windType;
+int windX, windY;
+int cursor;
+
+
+#include "tkmap.c"
+
+static void Init(void)
+{
+    cursor = 0;
+    glutSetCursor(cursor);
+    glClearColor(0.0, 0.0, 0.0, 0.0);
+    glClearIndex(0.0);
+}
+
+static void Reshape(int width, int height)
+{
+
+    windX = width;
+    windY = height;
+    glViewport(0, 0, windX, windY);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    gluOrtho2D(0, windX, 0, windY);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+        exit(1);
+      case 32:
+	cursor++;
+	if (cursor > 19) {
+	    cursor = 0;
+	}
+	glutSetCursor(cursor);
+    }
+}
+
+static void Draw(void)
+{
+
+    glClear(GL_COLOR_BUFFER_BIT);
+
+    glBegin(GL_POLYGON);
+	SetColor(COLOR_BLACK);
+	glVertex2i(0, 0);
+	SetColor(COLOR_RED);
+	glVertex2i(windX, 0);
+	SetColor(COLOR_GREEN);
+	glVertex2i(windX, windY);
+	SetColor(COLOR_BLUE);
+	glVertex2i(0, windY);
+    glEnd();
+
+    glFlush();
+
+    if (doubleBuffer) {
+	glutSwapBuffers();
+    }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    rgb = GL_TRUE;
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+	if (strcmp(argv[i], "-ci") == 0) {
+	    rgb = GL_FALSE;
+	} else if (strcmp(argv[i], "-rgb") == 0) {
+	    rgb = GL_TRUE;
+	} else if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    printf("%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    windX = 300;
+    windY = 300;
+    glutInitWindowPosition(0, 0); glutInitWindowSize( windX, windY);
+
+    windType = (rgb) ? GLUT_RGB : GLUT_INDEX;
+    windType |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(windType);
+
+    if (glutCreateWindow("Cursor Test") == GL_FALSE) {
+	exit(1);
+    }
+
+    InitMap();
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/samples/depth.c b/nx-X11/extras/Mesa_6.4.2/progs/samples/depth.c
new file mode 100644
index 000000000..afe2ec17a
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/samples/depth.c
@@ -0,0 +1,209 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define CI_OFFSET_1 16
+#define CI_OFFSET_2 32
+
+
+GLenum rgb, doubleBuffer;
+
+GLenum antiAlias, stipple;
+GLubyte stippleBits[32*4] = {
+    0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
+    0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
+    0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
+    0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
+    0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
+    0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
+    0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
+    0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
+    0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
+    0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
+    0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
+    0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
+    0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
+    0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
+    0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
+    0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
+};
+
+
+#include "tkmap.c"
+
+static void Init(void)
+{
+    GLint i;
+
+    glClearColor(0.0, 0.0, 0.0, 0.0);
+    glClearIndex(0.0);
+
+    if (!rgb) {
+	for (i = 0; i < 16; i++) {
+	    glutSetColor(i+CI_OFFSET_1, 0.0, 0.0, i/15.0);
+	    glutSetColor(i+CI_OFFSET_2, 0.0, i/15.0, 0.0);
+	}
+    }
+
+    glPolygonStipple(stippleBits);
+
+    antiAlias = GL_FALSE;
+    stipple = GL_FALSE;
+}
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      case '1':
+	antiAlias = !antiAlias;
+	break;
+      case '2':
+	stipple = !stipple;
+	break;
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+    GLint ci1, ci2;
+
+    glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
+
+    if (antiAlias) {
+	ci1 = CI_OFFSET_1;
+	ci2 = CI_OFFSET_2;
+	glBlendFunc(GL_SRC_ALPHA, GL_ONE);
+	glEnable(GL_BLEND);
+	glEnable(GL_POLYGON_SMOOTH);
+	glDisable(GL_DEPTH_TEST);
+    } else {
+	ci1 = COLOR_BLUE;
+	ci2 = COLOR_GREEN;
+	glDisable(GL_BLEND);
+	glDisable(GL_POLYGON_SMOOTH);
+	glEnable(GL_DEPTH_TEST);
+    }
+
+    if (stipple) {
+	glEnable(GL_POLYGON_STIPPLE);
+    } else {
+	glDisable(GL_POLYGON_STIPPLE);
+    }
+
+    glBegin(GL_TRIANGLES);
+	(rgb) ? glColor3fv(RGBMap[COLOR_BLUE]) : glIndexi(ci1);
+	glVertex3f( 0.9, -0.9, -30.0);
+	glVertex3f( 0.9,  0.9, -30.0);
+	glVertex3f(-0.9,  0.0, -30.0);
+	(rgb) ? glColor3fv(RGBMap[COLOR_GREEN]) : glIndexi(ci2);
+	glVertex3f(-0.9, -0.9, -40.0);
+	glVertex3f(-0.9,  0.9, -40.0);
+	glVertex3f( 0.9,  0.0, -25.0);
+    glEnd();
+
+    glFlush();
+
+    if (doubleBuffer) {
+	glutSwapBuffers();
+    }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    rgb = GL_TRUE;
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+	if (strcmp(argv[i], "-ci") == 0) {
+	    rgb = GL_FALSE;
+	} else if (strcmp(argv[i], "-rgb") == 0) {
+	    rgb = GL_TRUE;
+	} else if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    printf("%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(0, 0); glutInitWindowSize( 300, 300);
+
+    type = GLUT_DEPTH;
+    type |= (rgb) ? GLUT_RGB : GLUT_INDEX;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("Depth Test") == GL_FALSE) {
+	exit(1);
+    }
+
+    InitMap();
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/samples/eval.c b/nx-X11/extras/Mesa_6.4.2/progs/samples/eval.c
new file mode 100644
index 000000000..3ad9c5468
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/samples/eval.c
@@ -0,0 +1,472 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <math.h>
+#include <GL/glut.h>
+
+
+#define VORDER 10
+#define CORDER 10
+#define TORDER 3
+
+#define VMAJOR_ORDER 2
+#define VMINOR_ORDER 3
+
+#define CMAJOR_ORDER 2
+#define CMINOR_ORDER 2
+
+#define TMAJOR_ORDER 2
+#define TMINOR_ORDER 2
+
+#define VDIM 4
+#define CDIM 4
+#define TDIM 2
+
+#define ONE_D 1
+#define TWO_D 2
+
+#define EVAL 3
+#define MESH 4
+
+
+GLenum doubleBuffer;
+
+float rotX = 0.0, rotY = 0.0, translateZ = -1.0;
+
+GLenum arrayType = ONE_D;
+GLenum colorType = GL_FALSE;
+GLenum textureType = GL_FALSE;
+GLenum polygonFilled = GL_FALSE;
+GLenum lighting = GL_FALSE;
+GLenum mapPoint = GL_FALSE;
+GLenum mapType = EVAL;
+
+double point1[10*4] = {
+    -0.5, 0.0, 0.0, 1.0,
+    -0.4, 0.5, 0.0, 1.0,
+    -0.3,-0.5, 0.0, 1.0,
+    -0.2, 0.5, 0.0, 1.0,
+    -0.1,-0.5, 0.0, 1.0,
+    0.0, 0.5, 0.0, 1.0,
+    0.1,-0.5, 0.0, 1.0,
+    0.2, 0.5, 0.0, 1.0,
+    0.3,-0.5, 0.0, 1.0,
+    0.4, 0.0, 0.0, 1.0,
+};
+double cpoint1[10*4] = {
+    0.0, 0.0, 1.0, 1.0,
+    0.3, 0.0, 0.7, 1.0,
+    0.6, 0.0, 0.3, 1.0,
+    1.0, 0.0, 0.0, 1.0,
+    1.0, 0.3, 0.0, 1.0,
+    1.0, 0.6, 0.0, 1.0,
+    1.0, 1.0, 0.0, 1.0,
+    1.0, 1.0, 0.5, 1.0,
+    1.0, 1.0, 1.0, 1.0,
+};
+double tpoint1[11*4] = {
+    0.0, 0.0, 0.0, 1.0,
+    0.0, 0.1, 0.0, 1.0,
+    0.0, 0.2, 0.0, 1.0,
+    0.0, 0.3, 0.0, 1.0,
+    0.0, 0.4, 0.0, 1.0,
+    0.0, 0.5, 0.0, 1.0,
+    0.0, 0.6, 0.0, 1.0,
+    0.0, 0.7, 0.0, 1.0,
+    0.0, 0.8, 0.0, 1.0,
+    0.0, 0.9, 0.0, 1.0,
+};
+double point2[2*3*4] = {
+    -0.5, -0.5,  0.5, 1.0, 
+     0.0,  1.0,  0.5, 1.0, 
+     0.5, -0.5,  0.5, 1.0,
+    -0.5,  0.5, -0.5, 1.0, 
+     0.0, -1.0, -0.5, 1.0, 
+     0.5,  0.5, -0.5, 1.0,
+};
+double cpoint2[2*2*4] = {
+    0.0, 0.0, 0.0, 1.0,
+    0.0, 0.0, 1.0, 1.0,
+    0.0, 1.0, 0.0, 1.0,
+    1.0, 1.0, 1.0, 1.0,
+};
+double tpoint2[2*2*2] = {
+    0.0, 0.0, 0.0, 1.0,
+    1.0, 0.0, 1.0, 1.0, 
+};
+float textureImage[4*2*4] =  {
+    1.0, 1.0, 1.0, 1.0,
+    1.0, 0.0, 0.0, 1.0,
+    1.0, 0.0, 0.0, 1.0,
+    1.0, 1.0, 1.0, 1.0, 
+    1.0, 1.0, 1.0, 1.0,
+    1.0, 0.0, 0.0, 1.0,
+    1.0, 0.0, 0.0, 1.0,
+    1.0, 1.0, 1.0, 1.0, 
+};
+
+
+static void Init(void)
+{
+    static float ambient[] = {0.1, 0.1, 0.1, 1.0};
+    static float diffuse[] = {1.0, 1.0, 1.0, 1.0};
+    static float position[] = {0.0, 0.0, -150.0, 0.0};
+    static float front_mat_diffuse[] = {1.0, 0.2, 1.0, 1.0};
+    static float back_mat_diffuse[] = {1.0, 1.0, 0.2, 1.0};
+    static float lmodel_ambient[] = {1.0, 1.0, 1.0, 1.0};
+    static float lmodel_twoside[] = {GL_TRUE};
+    static float decal[] = {GL_DECAL};
+    static float repeat[] = {GL_REPEAT};
+    static float nr[] = {GL_NEAREST};
+
+    glFrontFace(GL_CCW);
+
+    glEnable(GL_DEPTH_TEST);
+
+    glMap1d(GL_MAP1_VERTEX_4, 0.0, 1.0, VDIM, VORDER, point1);
+    glMap1d(GL_MAP1_COLOR_4, 0.0, 1.0, CDIM, CORDER, cpoint1);
+
+    glMap2d(GL_MAP2_VERTEX_4, 0.0, 1.0, VMINOR_ORDER*VDIM, VMAJOR_ORDER, 0.0,
+	    1.0, VDIM, VMINOR_ORDER, point2);
+    glMap2d(GL_MAP2_COLOR_4, 0.0, 1.0, CMINOR_ORDER*CDIM, CMAJOR_ORDER, 0.0,
+	    1.0, CDIM, CMINOR_ORDER, cpoint2);
+    glMap2d(GL_MAP2_TEXTURE_COORD_2, 0.0, 1.0, TMINOR_ORDER*TDIM,
+	    TMAJOR_ORDER, 0.0, 1.0, TDIM, TMINOR_ORDER, tpoint2);
+
+    glLightfv(GL_LIGHT0, GL_AMBIENT, ambient);
+    glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse);
+    glLightfv(GL_LIGHT0, GL_POSITION, position);
+    
+    glMaterialfv(GL_FRONT, GL_DIFFUSE, front_mat_diffuse);
+    glMaterialfv(GL_BACK, GL_DIFFUSE, back_mat_diffuse);
+
+    glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
+    glLightModelfv(GL_LIGHT_MODEL_TWO_SIDE, lmodel_twoside);
+
+    glTexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, decal);
+    glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, repeat);
+    glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, repeat);
+    glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, nr);
+    glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, nr);
+    glTexImage2D(GL_TEXTURE_2D, 0, 4, 2, 4, 0, GL_RGBA, GL_FLOAT,
+		 (GLvoid *)textureImage);
+}
+
+static void DrawPoints1(void)
+{
+    GLint i;
+
+    glColor3f(0.0, 1.0, 0.0);
+    glPointSize(2);
+    glBegin(GL_POINTS);
+	for (i = 0; i < VORDER; i++) {
+	    glVertex4dv(&point1[i*4]);
+	}
+    glEnd();
+}
+
+static void DrawPoints2(void)
+{
+    GLint i, j;
+
+    glColor3f(1.0, 0.0, 1.0);
+    glPointSize(2);
+    glBegin(GL_POINTS);
+	for (i = 0; i < VMAJOR_ORDER; i++) {
+	    for (j = 0; j < VMINOR_ORDER; j++) {
+		glVertex4dv(&point2[i*4*VMINOR_ORDER+j*4]);
+	    }
+	}
+    glEnd();
+}
+
+static void DrawMapEval1(float du)
+{
+    float u;
+
+    glColor3f(1.0, 0.0, 0.0);
+    glBegin(GL_LINE_STRIP);
+	for (u = 0.0; u < 1.0; u += du) {
+	    glEvalCoord1d(u);
+	}
+	glEvalCoord1d(1.0);
+    glEnd();
+}
+
+static void DrawMapEval2(float du, float dv)
+{
+    float u, v, tmp;
+
+    glColor3f(1.0, 0.0, 0.0);
+    for (v = 0.0; v < 1.0; v += dv) {
+	glBegin(GL_QUAD_STRIP);
+	    for (u = 0.0; u <= 1.0; u += du) {
+		glEvalCoord2d(u,v);
+		tmp = (v + dv < 1.0) ? (v + dv) : 1.0;
+		glEvalCoord2d(u, tmp);
+	    }
+	    glEvalCoord2d(1.0, v);
+	    glEvalCoord2d(1.0, v+dv);
+	glEnd();
+    }
+}
+
+static void RenderEval(void)
+{
+
+    if (colorType) {
+	glEnable(GL_MAP1_COLOR_4);
+	glEnable(GL_MAP2_COLOR_4);
+    } else {
+	glDisable(GL_MAP1_COLOR_4);
+	glDisable(GL_MAP2_COLOR_4);
+    }
+
+    if (textureType) {
+	glEnable(GL_TEXTURE_2D);
+	glEnable(GL_MAP2_TEXTURE_COORD_2);
+    } else {
+	glDisable(GL_TEXTURE_2D);
+	glDisable(GL_MAP2_TEXTURE_COORD_2);
+    }
+
+    if (polygonFilled) {
+	glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
+    } else {
+	glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
+    }
+
+    glShadeModel(GL_SMOOTH);
+
+    switch (mapType) {
+      case EVAL:
+	switch (arrayType) {
+	  case ONE_D:
+	    glDisable(GL_MAP2_VERTEX_4);
+	    glEnable(GL_MAP1_VERTEX_4);
+	    DrawPoints1();
+	    DrawMapEval1(0.1/VORDER);
+	    break;
+	  case TWO_D:
+	    glDisable(GL_MAP1_VERTEX_4);
+	    glEnable(GL_MAP2_VERTEX_4);
+	    DrawPoints2();
+	    DrawMapEval2(0.1/VMAJOR_ORDER,0.1/VMINOR_ORDER);
+	    break;
+          default:
+            break;
+	}
+	break;
+      case MESH:
+	switch (arrayType) {
+	  case ONE_D:
+	    DrawPoints1();
+	    glDisable(GL_MAP2_VERTEX_4);
+	    glEnable (GL_MAP1_VERTEX_4);
+	    glColor3f(0.0, 0.0, 1.0);
+	    glMapGrid1d(40, 0.0, 1.0);
+	    if (mapPoint) {
+		glPointSize(2);
+		glEvalMesh1(GL_POINT, 0, 40);
+	    } else {
+		glEvalMesh1(GL_LINE, 0, 40);
+	    }
+	    break;
+	  case TWO_D:
+	    DrawPoints2();
+	    glDisable(GL_MAP1_VERTEX_4);
+	    glEnable(GL_MAP2_VERTEX_4);
+	    glColor3f(0.0, 0.0, 1.0);
+	    glMapGrid2d(20, 0.0, 1.0, 20, 0.0, 1.0);
+	    if (mapPoint) {
+		glPointSize(2);
+		glEvalMesh2(GL_POINT, 0, 20, 0, 20);
+	    } else if (polygonFilled) {
+		glEvalMesh2(GL_FILL, 0, 20, 0, 20);
+	    } else {
+		glEvalMesh2(GL_LINE, 0, 20, 0, 20);
+	    }
+	    break;
+          default:
+            break;
+	}
+	break;
+      default:
+        break;
+    }
+}
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 10.0);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key2(int key, int x, int y)
+{
+    switch (key) {
+      case GLUT_KEY_LEFT:
+	rotY -= 30;
+	break;
+      case GLUT_KEY_RIGHT:
+	rotY += 30;
+	break;
+      case GLUT_KEY_UP:
+	rotX -= 30;
+	break;
+      case GLUT_KEY_DOWN:
+	rotX += 30;
+	break;
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+    switch (key) {
+      case 27:
+	exit(1);
+      case '1':
+	arrayType = ONE_D;
+	break;
+      case '2':
+	arrayType = TWO_D;
+	break;
+      case 'e':
+	mapType = EVAL;
+	break;
+      case 'm':
+	mapType = MESH;
+	break;
+      case 'f':
+	polygonFilled = !polygonFilled;
+	break;
+      case 'p':
+	mapPoint = !mapPoint;
+	break;
+      case 'c':
+	colorType = !colorType;
+	break;
+      case 't':
+	textureType = !textureType;
+	break;
+      case 'l':
+	lighting =! lighting;
+	if (lighting) {
+	    glEnable(GL_LIGHTING);
+	    glEnable(GL_LIGHT0);
+	    glEnable(GL_AUTO_NORMAL);
+	} else {
+	    glDisable(GL_LIGHTING);
+	    glDisable(GL_LIGHT0);
+	    glDisable(GL_AUTO_NORMAL);
+	}
+	break;
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+
+    glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
+
+    glPushMatrix();
+
+    glTranslatef(0.0, 0.0 , translateZ);
+    glRotatef(rotX, 1, 0, 0);
+    glRotatef(rotY, 0, 1, 0);
+    RenderEval();
+
+    glPopMatrix();
+
+    glFlush();
+
+    if (doubleBuffer) {
+	glutSwapBuffers();
+    }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+	if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    printf("%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(0, 0); glutInitWindowSize( 300, 300);
+
+    type = GLUT_RGB | GLUT_DEPTH;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("Evaluator Test") == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutSpecialFunc(Key2);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/samples/fog.c b/nx-X11/extras/Mesa_6.4.2/progs/samples/fog.c
new file mode 100644
index 000000000..3f3ffdbcc
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/samples/fog.c
@@ -0,0 +1,311 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+GLenum rgb, doubleBuffer;
+
+#include "tkmap.c"
+
+double plane[4] = {
+    1.0, 0.0, -1.0, 0.0
+};
+float rotX = 5.0, rotY = -5.0, zTranslate = -65.0;
+float fogDensity = 0.02;
+GLint cubeList = 1;
+
+float scp[18][3] = {
+    {
+	1.000000, 0.000000, 0.000000
+    },
+    {
+	1.000000, 0.000000, 5.000000
+    },
+    {
+	0.707107, 0.707107, 0.000000
+    },
+    {
+	0.707107, 0.707107, 5.000000
+    },
+    {
+	0.000000, 1.000000, 0.000000
+    },
+    {
+	0.000000, 1.000000, 5.000000
+    },
+    {
+	-0.707107, 0.707107, 0.000000
+    },
+    {
+	-0.707107, 0.707107, 5.000000
+    },
+    {
+	-1.000000, 0.000000, 0.000000
+    },
+    {
+	-1.000000, 0.000000, 5.000000
+    },
+    {
+	-0.707107, -0.707107, 0.000000
+    },
+    {
+	-0.707107, -0.707107, 5.000000
+    },
+    {
+	0.000000, -1.000000, 0.000000
+    },
+    {
+	0.000000, -1.000000, 5.000000
+    },
+    {
+	0.707107, -0.707107, 0.000000
+    },
+    {
+	0.707107, -0.707107, 5.000000
+    },
+    {
+	1.000000, 0.000000, 0.000000
+    },
+    {
+	1.000000, 0.000000, 5.000000
+    },
+};
+
+
+static void Build_lists(void)
+{
+
+    glNewList(cubeList, GL_COMPILE);
+	glBegin(GL_TRIANGLE_STRIP);
+	   glNormal3fv(scp[0]); glVertex3fv(scp[0]);
+	   glNormal3fv(scp[0]); glVertex3fv(scp[1]);
+	   glNormal3fv(scp[2]); glVertex3fv(scp[2]);
+	   glNormal3fv(scp[2]); glVertex3fv(scp[3]);
+	   glNormal3fv(scp[4]); glVertex3fv(scp[4]);
+	   glNormal3fv(scp[4]); glVertex3fv(scp[5]);
+	   glNormal3fv(scp[6]); glVertex3fv(scp[6]);
+	   glNormal3fv(scp[6]); glVertex3fv(scp[7]);
+	   glNormal3fv(scp[8]); glVertex3fv(scp[8]);
+	   glNormal3fv(scp[8]); glVertex3fv(scp[9]);
+	   glNormal3fv(scp[10]); glVertex3fv(scp[10]);
+	   glNormal3fv(scp[10]); glVertex3fv(scp[11]);
+	   glNormal3fv(scp[12]); glVertex3fv(scp[12]);
+	   glNormal3fv(scp[12]); glVertex3fv(scp[13]);
+	   glNormal3fv(scp[14]); glVertex3fv(scp[14]);
+	   glNormal3fv(scp[14]); glVertex3fv(scp[15]);
+	   glNormal3fv(scp[16]); glVertex3fv(scp[16]);
+	   glNormal3fv(scp[16]); glVertex3fv(scp[17]);
+	glEnd();
+    glEndList();
+}
+
+static void Init(void)
+{
+    static float ambient[] = {0.1, 0.1, 0.1, 1.0};
+    static float diffuse[] = {1.0, 1.0, 1.0, 1.0};
+    static float position[] = {90.0, 90.0, 0.0, 0.0};
+    static float front_mat_shininess[] = {30.0};
+    static float front_mat_specular[] = {0.0, 0.0, 0.0, 1.0};
+    static float front_mat_diffuse[] = {0.0, 1.0, 0.0, 1.0};
+    static float back_mat_shininess[] = {50.0};
+    static float back_mat_specular[] = {0.0, 0.0, 1.0, 1.0};
+    static float back_mat_diffuse[] = {1.0, 0.0, 0.0, 1.0};
+    static float lmodel_ambient[] = {0.0, 0.0, 0.0, 1.0};
+    static float fog_color[] = {0.8, 0.8, 0.8, 1.0};
+
+    glFrontFace(GL_CW);
+
+    glEnable(GL_DEPTH_TEST);
+
+    glLightfv(GL_LIGHT0, GL_AMBIENT, ambient);
+    glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse);
+    glLightfv(GL_LIGHT0, GL_POSITION, position);
+    glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
+    glLightModeli(GL_LIGHT_MODEL_TWO_SIDE, GL_TRUE);
+    glEnable(GL_LIGHTING);
+    glEnable(GL_LIGHT0);
+
+    glMaterialfv(GL_FRONT, GL_SHININESS, front_mat_shininess);
+    glMaterialfv(GL_FRONT, GL_SPECULAR, front_mat_specular);
+    glMaterialfv(GL_FRONT, GL_DIFFUSE, front_mat_diffuse);
+    glMaterialfv(GL_BACK, GL_SHININESS, back_mat_shininess);
+    glMaterialfv(GL_BACK, GL_SPECULAR, back_mat_specular);
+    glMaterialfv(GL_BACK, GL_DIFFUSE, back_mat_diffuse);
+
+    glEnable(GL_FOG);
+    glFogi(GL_FOG_MODE, GL_EXP);
+    glFogf(GL_FOG_DENSITY, fogDensity);
+    if (rgb) {
+	glFogfv(GL_FOG_COLOR, fog_color);
+	glClearColor(0.8, 0.8, 0.8, 1.0);
+    } else {
+	glFogi(GL_FOG_INDEX, 1<<5);
+	SetFogRamp(5, 3);
+	glClearIndex(128);
+    }
+
+    Build_lists();
+}
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    gluPerspective(45.0, 1.0, 1.0, 200.0);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key2(int key, int x, int y)
+{
+
+    switch (key) {
+      case GLUT_KEY_UP:
+	rotX -= 5;
+	break;
+      case GLUT_KEY_DOWN:
+	rotX += 5;
+	break;
+      case GLUT_KEY_LEFT:
+	rotY -= 5;
+	break;
+      case GLUT_KEY_RIGHT:
+	rotY += 5;
+	break;
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      case 'D':
+	if (rgb) {
+	    fogDensity *= 1.10;
+	    glFogf(GL_FOG_DENSITY, fogDensity);
+	}
+	break;
+      case 'd':
+	if (rgb) {
+	    fogDensity /= 1.10;
+	    glFogf(GL_FOG_DENSITY, fogDensity);
+	}
+	break;
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+
+    glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
+
+    glPushMatrix();
+
+    glTranslatef(0, 0, zTranslate);
+    glRotatef(rotY, 0,1,0);
+    glRotatef(rotX, 1,0,0);
+    glScalef(1.0, 1.0, 10.0);
+
+    glCallList(cubeList);
+
+    glPopMatrix();
+
+    glFlush();
+
+    if (doubleBuffer) {
+	glutSwapBuffers();
+    }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    rgb = GL_TRUE;
+    doubleBuffer = GL_TRUE;
+
+    for (i = 1; i < argc; i++) {
+	if (strcmp(argv[i], "-ci") == 0) {
+	    rgb = GL_FALSE;
+	} else if (strcmp(argv[i], "-rgb") == 0) {
+	    rgb = GL_TRUE;
+	} else if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    printf("%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(0, 0); glutInitWindowSize( 300, 300);
+
+    type = GLUT_DEPTH;
+    type |= (rgb) ? GLUT_RGB : GLUT_INDEX;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("Fog Test") == GL_FALSE) {
+	exit(1);
+    }
+
+    InitMap();
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutSpecialFunc(Key2);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/samples/font.c b/nx-X11/extras/Mesa_6.4.2/progs/samples/font.c
new file mode 100644
index 000000000..a0091a65d
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/samples/font.c
@@ -0,0 +1,273 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define OPENGL_WIDTH 24
+#define OPENGL_HEIGHT 13
+
+
+char string[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz";
+GLenum rgb, doubleBuffer, windType;
+float angleX = 0.0, angleY = 0.0, angleZ = 0.0;
+float scaleX = 1.0, scaleY = 1.0, scaleZ = 1.0;
+float shiftX = 0.0, shiftY = 0.0, shiftZ = 0.0;
+
+
+#include "tkmap.c"
+
+
+static void DrawBitmapString(void *font, const char *string)
+{
+    int i;
+
+    for (i = 0; string[i]; i++)
+	glutBitmapCharacter(font, string[i]);
+}
+
+static void DrawStrokeString(void *font, const char *string)
+{
+    int i;
+
+    for (i = 0; string[i]; i++)
+	glutStrokeCharacter(font, string[i]);
+}
+
+static void Init(void)
+{
+
+    glClearColor(0.0, 0.0, 0.0, 0.0);
+    glClearIndex(0.0);
+}
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glOrtho(-400.0, 400.0, -200.0, 200.0, -400.0, 400.0);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key2(int key, int x, int y)
+{
+
+    switch (key) {
+      case GLUT_KEY_LEFT:
+	shiftX -= 20.0;
+	break;
+      case GLUT_KEY_RIGHT:
+	shiftX += 20.0;
+	break;
+      case GLUT_KEY_UP:
+	shiftY += 20.0;
+	break;
+      case GLUT_KEY_DOWN:
+	shiftY -= 20.0;
+	break;
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+        exit(1);
+
+      case 'n':
+	shiftZ += 20.0;
+	break;
+      case 'm':
+	shiftZ -= 20.0;
+	break;
+
+      case 'q':
+	scaleX -= 0.1;
+	if (scaleX < 0.1) {
+	    scaleX = 0.1;
+	}
+	break;
+      case 'w':
+	scaleX += 0.1;
+	break;
+      case 'a':
+	scaleY -= 0.1;
+	if (scaleY < 0.1) {
+	    scaleY = 0.1;
+	}
+	break;
+      case 's':
+	scaleY += 0.1;
+	break;
+      case 'z':
+	scaleZ -= 0.1;
+	if (scaleZ < 0.1) {
+	    scaleZ = 0.1;
+	}
+	break;
+      case 'x':
+	scaleZ += 0.1;
+	break;
+
+      case 'e':
+	angleX -= 5.0;
+	if (angleX < 0.0) {
+	    angleX = 360.0 + angleX;
+	}
+	break;
+      case 'r':
+	angleX += 5.0;
+	if (angleX > 360.0) {
+	    angleX = angleX - 360.0;
+	}
+	break;
+      case 'd':
+	angleY -= 5.0;
+	if (angleY < 0.0) {
+	    angleY = 360.0 + angleY;
+	}
+	break;
+      case 'f':
+	angleY += 5.0;
+	if (angleY > 360.0) {
+	    angleY = angleY - 360.0;
+	}
+	break;
+      case 'c':
+	angleZ -= 5.0;
+	if (angleZ < 0.0) {
+	    angleZ = 360.0 + angleZ;
+	}
+	break;
+      case 'v':
+	angleZ += 5.0;
+	if (angleZ > 360.0) {
+	    angleZ = angleZ - 360.0;
+	}
+	break;
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+
+    glClear(GL_COLOR_BUFFER_BIT);
+
+    SetColor(COLOR_WHITE);
+
+    glPushMatrix();
+
+    glTranslatef(shiftX, shiftY, shiftZ);
+    glRotatef(angleX, 1.0, 0.0, 0.0);
+    glRotatef(angleY, 0.0, 1.0, 0.0);
+    glRotatef(angleZ, 0.0, 0.0, 1.0);
+    glScalef(scaleX, scaleY, scaleZ);
+
+    glPushMatrix();
+    glRasterPos2f(-390.5, 0.5);
+    DrawBitmapString(GLUT_BITMAP_9_BY_15, string);
+    glPopMatrix();
+
+    glPushMatrix();
+    glTranslatef(-390.5, -30.5, 0.0);
+    DrawStrokeString(GLUT_STROKE_ROMAN, string);
+    glPopMatrix();
+
+    glPopMatrix();
+
+    glFlush();
+
+    if (doubleBuffer) {
+	glutSwapBuffers();
+    }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    rgb = GL_TRUE;
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+	if (strcmp(argv[i], "-ci") == 0) {
+	    rgb = GL_FALSE;
+	} else if (strcmp(argv[i], "-rgb") == 0) {
+	    rgb = GL_TRUE;
+	} else if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    printf("%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(0, 0); glutInitWindowSize( 800, 400);
+
+    windType = (rgb) ? GLUT_RGB : GLUT_INDEX;
+    windType |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(windType);
+
+    if (glutCreateWindow("Font Test") == GL_FALSE) {
+	exit(1);
+    }
+
+    InitMap();
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutSpecialFunc(Key2);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/samples/line.c b/nx-X11/extras/Mesa_6.4.2/progs/samples/line.c
new file mode 100644
index 000000000..83f70cb3a
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/samples/line.c
@@ -0,0 +1,219 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define CI_OFFSET 16
+
+
+GLenum rgb, doubleBuffer, windType;
+
+GLenum mode1, mode2;
+GLint size;
+float pntA[3] = {
+    -160.0, 0.0, 0.0
+};
+float pntB[3] = {
+    -130.0, 0.0, 0.0
+};
+float pntC[3] = {
+    -40.0, -50.0, 0.0
+};
+float pntD[3] = {
+    30.0, 60.0, 0.0
+};
+
+
+#include "tkmap.c"
+
+static void Init(void)
+{
+    GLint i;
+
+    glClearColor(0.0, 0.0, 0.0, 0.0);
+
+    glLineStipple(1, 0xF0E0);
+    glBlendFunc(GL_SRC_ALPHA, GL_ONE);
+
+    if (!rgb) {
+	for (i = 0; i < 16; i++) {
+	    glutSetColor(i+CI_OFFSET, i/15.0, i/15.0, 0.0);
+	}
+    }
+
+    mode1 = GL_FALSE;
+    mode2 = GL_FALSE;
+    size = 1;
+}
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    gluOrtho2D(-175, 175, -175, 175);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      case '1':
+	mode1 = !mode1;
+	break;
+      case '2':
+	mode2 = !mode2;
+	break;
+      case 'W':
+	size++;
+	break;
+      case 'w':
+	size--;
+	if (size < 1) {
+	    size = 1;
+	}
+	break;
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+    GLint ci, i;
+
+    glClear(GL_COLOR_BUFFER_BIT);
+
+    glLineWidth(size);
+
+    if (mode1) {
+	glEnable(GL_LINE_STIPPLE);
+    } else {
+	glDisable(GL_LINE_STIPPLE);
+    }
+
+    if (mode2) {
+	ci = CI_OFFSET;
+	glEnable(GL_LINE_SMOOTH);
+	glEnable(GL_BLEND);
+    } else {
+	ci = COLOR_YELLOW;
+	glDisable(GL_LINE_SMOOTH);
+	glDisable(GL_BLEND);
+    }
+
+    glPushMatrix();
+
+    glShadeModel( GL_FLAT );
+
+    for (i = 0; i < 360; i += 5) {
+	glRotatef(5.0, 0,0,1);
+
+	(rgb) ? glColor3f(1.0, 1.0, 0.0) : glIndexi(ci);
+	glBegin(GL_LINE_STRIP);
+	    glVertex3fv(pntA);
+	    glVertex3fv(pntB);
+	glEnd();
+
+	glPointSize(1);
+
+	SetColor(COLOR_GREEN);
+	glBegin(GL_POINTS);
+	    glVertex3fv(pntA);
+	    glVertex3fv(pntB);
+	glEnd();
+    }
+
+    glPopMatrix();
+
+    glFlush();
+
+    if (doubleBuffer) {
+	glutSwapBuffers();
+    }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    rgb = GL_TRUE;
+    doubleBuffer = GL_TRUE;
+
+    for (i = 1; i < argc; i++) {
+	if (strcmp(argv[i], "-ci") == 0) {
+	    rgb = GL_FALSE;
+	} else if (strcmp(argv[i], "-rgb") == 0) {
+	    rgb = GL_TRUE;
+	} else if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    printf("%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(0, 0); glutInitWindowSize( 300, 300);
+
+    windType = (rgb) ? GLUT_RGB : GLUT_INDEX;
+    windType |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(windType);
+
+    if (glutCreateWindow("Line Test") == GL_FALSE) {
+	exit(1);
+    }
+
+    InitMap();
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/samples/loadppm.c b/nx-X11/extras/Mesa_6.4.2/progs/samples/loadppm.c
new file mode 100644
index 000000000..be056d629
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/samples/loadppm.c
@@ -0,0 +1,72 @@
+
+typedef struct {
+    size_t sizeX, sizeY;
+    GLubyte *data;
+} PPMImage;
+
+static PPMImage *LoadPPM(const char *filename)
+{
+    char buff[16];
+    PPMImage *result;
+    FILE *fp;
+    int maxval;
+
+    fp = fopen(filename, "rb");
+    if (!fp)
+    {
+	fprintf(stderr, "Unable to open file `%s'\n", filename);
+	exit(1);
+    }
+
+    if (!fgets(buff, sizeof(buff), fp))
+    {
+	perror(filename);
+	exit(1);
+    }
+
+    if (buff[0] != 'P' || buff[1] != '6')
+    {
+	fprintf(stderr, "Invalid image format (must be `P6')\n");
+	exit(1);
+    }
+
+    result = (PPMImage *) malloc(sizeof(PPMImage));
+    if (!result)
+    {
+	fprintf(stderr, "Unable to allocate memory\n");
+	exit(1);
+    }
+
+    if (fscanf(fp, "%lu %lu", &result->sizeX, &result->sizeY) != 2)
+    {
+	fprintf(stderr, "Error loading image `%s'\n", filename);
+	exit(1);
+    }
+
+    if (fscanf(fp, "%d", &maxval) != 1)
+    {
+	fprintf(stderr, "Error loading image `%s'\n", filename);
+	exit(1);
+    }
+
+    while (fgetc(fp) != '\n')
+	;
+
+    result->data = (GLubyte *) malloc(3 * result->sizeX * result->sizeY);
+    if (!result)
+    {
+	fprintf(stderr, "Unable to allocate memory\n");
+	exit(1);
+    }
+
+    if (fread(result->data, 3 * result->sizeX, result->sizeY, fp) != result->sizeY)
+    {
+	fprintf(stderr, "Error loading image `%s'\n", filename);
+	exit(1);
+    }
+
+    fclose(fp);
+
+    return result;
+}
+
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/samples/logo.c b/nx-X11/extras/Mesa_6.4.2/progs/samples/logo.c
new file mode 100644
index 000000000..ae74af685
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/samples/logo.c
@@ -0,0 +1,1635 @@
+
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define PI 3.141592654
+
+#define	BLACK 0
+#define	GRAY 128
+#define	WHITE 255
+#define BL 0x00
+#define WH 0xFF
+#define RD 0xA4,0x00,0x00,0xFF
+#define WT 0xFF,0xFF,0xFF,0xFF
+
+#define	CHECKIMAGEWIDTH 8
+#define	CHECKIMAGEHEIGHT 8
+#define	BRICKIMAGEWIDTH 16
+#define	BRICKIMAGEHEIGHT 16
+
+
+GLenum rgb, doubleBuffer;
+
+#include "tkmap.c"
+
+float black[3] = {0.0, 0.0, 0.0};
+float white[3] = {1.0, 1.0, 1.0};
+float gray[3] = {0.5, 0.5, 0.5};
+float blue[3] = {0.0, 0.0, 1.0};
+GLint colorIndexes[3] = {0, 200, 255};
+
+GLenum polyMode;
+GLboolean dithering;
+GLboolean shade;
+GLboolean doStipple;
+GLboolean noDraw = 0;
+GLboolean LineSmooth = GL_FALSE;
+
+double plane[4] = {1.0, 0.0, -1.0, 0.0};
+float xRotation = 30.0, yRotation = 30.0;
+float zTranslation = -15.0;
+
+GLint singleCylinder;
+GLint doubleCylinder;
+GLint elbow, logo;
+
+GLubyte checkImage[3*CHECKIMAGEWIDTH*CHECKIMAGEHEIGHT] = {
+    BL, BL, BL, WH, WH, WH, BL, BL, BL, WH, WH, WH, BL, BL, BL, WH,
+    WH, WH, BL, BL, BL, WH, WH, WH, WH, WH, WH, BL, BL, BL, WH, WH,
+    WH, BL, BL, BL, WH, WH, WH, BL, BL, BL, WH, WH, WH, BL, BL, BL,
+    BL, BL, BL, WH, WH, WH, BL, BL, BL, WH, WH, WH, BL, BL, BL, WH,
+    WH, WH, BL, BL, BL, WH, WH, WH, WH, WH, WH, BL, BL, BL, WH, WH,
+    WH, BL, BL, BL, WH, WH, WH, BL, BL, BL, WH, WH, WH, BL, BL, BL,
+    BL, BL, BL, WH, WH, WH, BL, BL, BL, WH, WH, WH, BL, BL, BL, WH,
+    WH, WH, BL, BL, BL, WH, WH, WH, WH, WH, WH, BL, BL, BL, WH, WH,
+    WH, BL, BL, BL, WH, WH, WH, BL, BL, BL, WH, WH, WH, BL, BL, BL,
+    BL, BL, BL, WH, WH, WH, BL, BL, BL, WH, WH, WH, BL, BL, BL, WH,
+    WH, WH, BL, BL, BL, WH, WH, WH, WH, WH, WH, BL, BL, BL, WH, WH,
+    WH, BL, BL, BL, WH, WH, WH, BL, BL, BL, WH, WH, WH, BL, BL, BL, 
+};
+GLubyte brickImage[4*BRICKIMAGEWIDTH*BRICKIMAGEHEIGHT] = {
+    RD, RD, RD, RD, RD, RD, RD, RD, RD, WT, RD, RD, RD, RD, RD, RD,
+    RD, RD, RD, RD, RD, RD, RD, RD, RD, WT, RD, RD, RD, RD, RD, RD,
+    RD, RD, RD, RD, RD, RD, RD, RD, RD, WT, RD, RD, RD, RD, RD, RD,
+    RD, RD, RD, RD, RD, RD, RD, RD, RD, WT, RD, RD, RD, RD, RD, RD,
+    WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT,
+    RD, RD, RD, WT, RD, RD, RD, RD, RD, RD, RD, RD, RD, WT, RD, RD,
+    RD, RD, RD, WT, RD, RD, RD, RD, RD, RD, RD, RD, RD, WT, RD, RD,
+    RD, RD, RD, WT, RD, RD, RD, RD, RD, RD, RD, RD, RD, WT, RD, RD,
+    RD, RD, RD, WT, RD, RD, RD, RD, RD, RD, RD, RD, RD, WT, RD, RD,
+    WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT,
+    RD, RD, RD, RD, RD, RD, RD, WT, RD, RD, RD, RD, RD, RD, RD, RD,
+    RD, RD, RD, RD, RD, RD, RD, WT, RD, RD, RD, RD, RD, RD, RD, RD,
+    RD, RD, RD, RD, RD, RD, RD, WT, RD, RD, RD, RD, RD, RD, RD, RD,
+    RD, RD, RD, RD, RD, RD, RD, WT, RD, RD, RD, RD, RD, RD, RD, RD,
+    WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT,
+    RD, RD, RD, RD, WT, RD, RD, RD, RD, RD, RD, RD, RD, RD, WT, RD
+};
+
+GLubyte *image = checkImage;
+GLint imageHeight = CHECKIMAGEHEIGHT;
+GLint imageWidth = CHECKIMAGEWIDTH;
+
+static float decal[] = {
+    GL_DECAL,
+};
+static float modulate[] = {
+    GL_MODULATE,
+};
+static float repeat[] = {
+    GL_REPEAT,
+};
+static float nearest[] = {
+    GL_NEAREST,
+};
+
+GLubyte stipple[4*32] = {
+    0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00,
+
+    0x00, 0x0F, 0xF0, 0x00,
+    0x00, 0x0F, 0xF0, 0x00,
+    0x00, 0x0F, 0xF0, 0x00,
+    0x00, 0x0F, 0xF0, 0x00,
+    0x00, 0x0F, 0xF0, 0x00,
+    0x00, 0x0F, 0xF0, 0x00,
+    0x00, 0x0F, 0xF0, 0x00,
+    0x00, 0x0F, 0xF0, 0x00,
+
+    0x00, 0x0F, 0xF0, 0x00,
+    0x00, 0x0F, 0xF0, 0x00,
+    0x00, 0x0F, 0xF0, 0x00,
+    0x00, 0x0F, 0xF0, 0x00,
+    0x00, 0x0F, 0xF0, 0x00,
+    0x00, 0x0F, 0xF0, 0x00,
+    0x00, 0x0F, 0xF0, 0x00,
+    0x00, 0x0F, 0xF0, 0x00,
+
+    0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00,
+};
+
+float tscp[18][2] = {
+    {
+	0.0, 0.0
+    },
+    {
+	1.0, 0.0
+    },
+    {
+	0.0, 0.125
+    },
+    {
+	1.0, 0.125
+    },
+    {
+	0.0, 0.250
+    },
+    {
+	1.0, 0.25
+    },
+    {
+	0.0, 0.375
+    },
+    {
+	1.0, 0.375
+    },
+    {
+	0.0, 0.50
+    },
+    {
+	1.0, 0.50
+    },
+    {
+	0.0, 0.625
+    },
+    {
+	1.0, 0.625
+    },
+    {
+	0.0, 0.75
+    },
+    {
+	1.0, 0.75
+    },
+    {
+	0.0, 0.875
+    },
+    {
+	1.0, 0.875
+    },
+    {
+	0.0, 1.0
+    },
+    {
+	1.0, 1.0
+    }
+};
+float scp[18][3] = {
+    {
+	1.000000, 0.000000, 0.000000
+    },
+    {
+	1.000000, 0.000000, 5.000000
+    },
+    {
+	0.707107, 0.707107, 0.000000
+    },
+    {
+	0.707107, 0.707107, 5.000000
+    },
+    {
+	0.000000, 1.000000, 0.000000
+    },
+    {
+	0.000000, 1.000000, 5.000000
+    },
+    {
+	-0.707107, 0.707107, 0.000000
+    },
+    {
+	-0.707107, 0.707107, 5.000000
+    },
+    {
+	-1.000000, 0.000000, 0.000000
+    },
+    {
+	-1.000000, 0.000000, 5.000000
+    },
+    {
+	-0.707107, -0.707107, 0.000000
+    },
+    {
+	-0.707107, -0.707107, 5.000000
+    },
+    {
+	0.000000, -1.000000, 0.000000
+    },
+    {
+	0.000000, -1.000000, 5.000000
+    },
+    {
+	0.707107, -0.707107, 0.000000
+    },
+    {
+	0.707107, -0.707107, 5.000000
+    },
+    {
+	1.000000, 0.000000, 0.000000
+    },
+    {
+	1.000000, 0.000000, 5.000000
+    }
+};
+float dcp[18][3] = {
+    {
+	1.000000, 0.000000, 0.000000
+    },
+    {
+	1.000000, 0.000000, 7.000000
+    },
+    {
+	0.707107, 0.707107, 0.000000
+    },
+    {
+	0.707107, 0.707107, 7.000000
+    },
+    {
+	0.000000, 1.000000, 0.000000
+    },
+    {
+	0.000000, 1.000000, 7.000000
+    },
+    {
+	-0.707107, 0.707107, 0.000000
+    },
+    {
+	-0.707107, 0.707107, 7.000000
+    },
+    {
+	-1.000000, 0.000000, 0.000000
+    },
+    {
+	-1.000000, 0.000000, 7.000000
+    },
+    {
+	-0.707107, -0.707107, 0.000000
+    },
+    {
+	-0.707107, -0.707107, 7.000000
+    },
+    {
+	0.000000, -1.000000, 0.000000
+    },
+    {
+	0.000000, -1.000000, 7.000000
+    },
+    {
+	0.707107, -0.707107, 0.000000
+    },
+    {
+	0.707107, -0.707107, 7.000000
+    },
+    {
+	1.000000, 0.000000, 0.000000
+    },
+    {
+	1.000000, 0.000000, 7.000000
+    }
+};
+float ep[7][9][3] = {
+    {
+	{
+	    1.000000, 0.000000, 0.000000
+	},
+	{
+	    0.707107, 0.707107, 0.000000
+	},
+	{
+	    0.000000, 1.000000, 0.000000
+	},
+	{
+	    -0.707107, 0.707107, 0.000000
+	},
+	{
+	    -1.000000, 0.000000, 0.000000
+	},
+	{
+	    -0.707107, -0.707107, 0.000000
+	},
+	{
+	    0.000000, -1.000000, 0.000000
+	},
+	{
+	    0.707107, -0.707107, 0.000000
+	},
+	{
+	    1.000000, 0.000000, 0.000000
+	}
+    },
+    {
+	{
+	    1.000000, 0.034074, 0.258819
+	},
+	{
+	    0.707107, 0.717087, 0.075806
+	},
+	{
+	    0.000000, 1.000000, 0.000000
+	},
+	{
+	    -0.707107, 0.717087, 0.075806
+	},
+	{
+	    -1.000000, 0.034074, 0.258819
+	},
+	{
+	    -0.707107, -0.648939, 0.441832
+	},
+	{
+	    0.000000, -0.931852, 0.517638
+	},
+	{
+	    0.707107, -0.648939, 0.441832
+	},
+	{
+	    1.000000, 0.034074, 0.258819
+	}
+    },
+    {
+	{
+	    1.000000, 0.133975, 0.500000
+	},
+	{
+	    0.707107, 0.746347, 0.146447
+	},
+	{
+	    0.000000, 1.000000, 0.000000
+	},
+	{
+	    -0.707107, 0.746347, 0.146447
+	},
+	{
+	    -1.000000, 0.133975, 0.500000
+	},
+	{
+	    -0.707107, -0.478398, 0.853553
+	},
+	{
+	    0.000000, -0.732051, 1.000000
+	},
+	{
+	    0.707107, -0.478398, 0.853553
+	},
+	{
+	    1.000000, 0.133975, 0.500000
+	}
+    },
+    {
+	{
+	    1.000000, 0.292893, 0.707107
+	},
+	{
+	    0.707107, 0.792893, 0.207107
+	},
+	{
+	    0.000000, 1.000000, 0.000000
+	},
+	{
+	    -0.707107, 0.792893, 0.207107
+	},
+	{
+	    -1.000000, 0.292893, 0.707107
+	},
+	{
+	    -0.707107, -0.207107, 1.207107
+	},
+	{
+	    0.000000, -0.414214, 1.414214
+	},
+	{
+	    0.707107, -0.207107, 1.207107
+	},
+	{
+	    1.000000, 0.292893, 0.707107
+	}
+    },
+    {
+	{
+	    1.000000, 0.500000, 0.866025
+	},
+	{
+	    0.707107, 0.853553, 0.253653
+	},
+	{
+	    0.000000, 1.000000, 0.000000
+	},
+	{
+	    -0.707107, 0.853553, 0.253653
+	},
+	{
+	    -1.000000, 0.500000, 0.866025
+	},
+	{
+	    -0.707107, 0.146447, 1.478398
+	},
+	{
+	    0.000000, 0.000000, 1.732051
+	},
+	{
+	    0.707107, 0.146447, 1.478398
+	},
+	{
+	    1.000000, 0.500000, 0.866025
+	}
+    },
+    {
+	{
+	    1.000000, 0.741181, 0.965926
+	},
+	{
+	    0.707107, 0.924194, 0.282913
+	},
+	{
+	    0.000000, 1.000000, 0.000000
+	},
+	{
+	    -0.707107, 0.924194, 0.282913
+	},
+	{
+	    -1.000000, 0.741181, 0.965926
+	},
+	{
+	    -0.707107, 0.558168, 1.648939
+	},
+	{
+	    0.000000, 0.482362, 1.931852
+	},
+	{
+	    0.707107, 0.558168, 1.648939
+	},
+	{
+	    1.000000, 0.741181, 0.965926
+	}
+    },
+    {
+	{
+	    1.000000, 1.000000, 1.000000
+	},
+	{
+	    0.707107, 1.000000, 0.292893
+	},
+	{
+	    0.000000, 1.000000, 0.000000
+	},
+	{
+	    -0.707107, 1.000000, 0.292893
+	},
+	{
+	    -1.000000, 1.000000, 1.000000
+	},
+	{
+	    -0.707107, 1.000000, 1.707107
+	},
+	{
+	    0.000000, 1.000000, 2.000000
+	},
+	{
+	    0.707107, 1.000000, 1.707107
+	},
+	{
+	    1.000000, 1.000000, 1.000000
+	}
+    }
+};
+float en[7][9][3] = {
+    {
+	{
+	    1.000000, 0.000000, 0.000000
+	},
+	{
+	    0.707107, 0.707107, 0.000000
+	},
+	{
+	    0.000000, 1.000000, 0.000000
+	},
+	{
+	    -0.707107, 0.707107, 0.000000
+	},
+	{
+	    -1.000000, 0.000000, 0.000000
+	},
+	{
+	    -0.707107, -0.707107, 0.000000
+	},
+	{
+	    0.000000, -1.000000, 0.000000
+	},
+	{
+	    0.707107, -0.707107, 0.000000
+	},
+	{
+	    1.000000, 0.000000, 0.000000
+	}
+    },
+    {
+	{
+	    1.000000, 0.000000, 0.000000
+	},
+	{
+	    0.707107, 0.683013, -0.183013
+	},
+	{
+	    0.000000, 0.965926, -0.258819
+	},
+	{
+	    -0.707107, 0.683013, -0.183013
+	},
+	{
+	    -1.000000, 0.000000, 0.000000
+	},
+	{
+	    -0.707107, -0.683013, 0.183013
+	},
+	{
+	    0.000000, -0.965926, 0.258819
+	},
+	{
+	    0.707107, -0.683013, 0.183013
+	},
+	{
+	    1.000000, 0.000000, 0.000000
+	}
+    },
+    {
+	{
+	    1.000000, 0.000000, 0.000000
+	},
+	{
+	    0.707107, 0.612372, -0.353553
+	},
+	{
+	    0.000000, 0.866025, -0.500000
+	},
+	{
+	    -0.707107, 0.612372, -0.353553
+	},
+	{
+	    -1.000000, 0.000000, 0.000000
+	},
+	{
+	    -0.707107, -0.612372, 0.353553
+	},
+	{
+	    0.000000, -0.866025, 0.500000
+	},
+	{
+	    0.707107, -0.612372, 0.353553
+	},
+	{
+	    1.000000, 0.000000, 0.000000
+	}
+    },
+    {
+	{
+	    1.000000, 0.000000, 0.000000
+	},
+	{
+	   /* These 3 lines added by BEP */
+	    0.707107, 0.500000, -0.500000
+	},
+	{
+	    0.000000, 0.707107, -0.707107
+	},
+	{
+	    -0.707107, 0.500000, -0.500000
+	},
+	{
+	    -1.000000, 0.000000, 0.000000
+	},
+	{
+	    -0.707107, -0.500000, 0.500000
+	},
+	{
+	    0.000000, -0.707107, 0.707107
+	},
+	{
+	    0.707107, -0.500000, 0.500000
+	},
+	{
+	    1.000000, 0.000000, 0.000000
+	}
+    },
+    {
+	{
+	    1.000000, 0.000000, 0.000000
+	},
+	{
+	    0.707107, 0.353553, -0.612372
+	},
+	{
+	    0.000000, 0.500000, -0.866025
+	},
+	{
+	    -0.707107, 0.353553, -0.612372
+	},
+	{
+	    -1.000000, 0.000000, 0.000000
+	},
+	{
+	    -0.707107, -0.353553, 0.612372
+	},
+	{
+	    0.000000, -0.500000, 0.866025
+	},
+	{
+	    0.707107, -0.353553, 0.612372
+	},
+	{
+	    1.000000, 0.000000, 0.000000
+	}
+    },
+    {
+	{
+	    1.000000, 0.000000, 0.000000
+	},
+	{
+	    0.707107, 0.183013, -0.683013
+	},
+	{
+	    0.000000, 0.258819, -0.965926
+	},
+	{
+	    -0.707107, 0.183013, -0.683013
+	},
+	{
+	    -1.000000, 0.000000, 0.000000
+	},
+	{
+	    -0.707107, -0.183013, 0.683013
+	},
+	{
+	    0.000000, -0.258819, 0.965926
+	},
+	{
+	    0.707107, -0.183013, 0.683013
+	},
+	{
+	    1.000000, 0.000000, 0.000000
+	}
+    },
+    {
+	{
+	    1.000000, 0.000000, 0.000000
+	},
+	{
+	    0.707107, 0.000000, -0.707107
+	},
+	{
+	    0.000000, 0.000000, -1.000000
+	},
+	{
+	    -0.707107, 0.000000, -0.707107
+	},
+	{
+	    -1.000000, 0.000000, 0.000000
+	},
+	{
+	    -0.707107, 0.000000, 0.707107
+	},
+	{
+	    0.000000, 0.000000, 1.000000
+	},
+	{
+	    0.707107, 0.000000, 0.707107
+	},
+	{
+	    1.000000, 0.000000, 0.000000
+	}
+    }
+};
+float tep[7][9][2] = {
+    {
+	{
+	    0,     0.0
+	},
+	{
+	    0.125, 0.0
+	},
+	{
+	    0.25,  0.0
+	},
+	{
+	    0.375, 0.0
+	},
+	{
+	    0.5,   0.0
+	},
+	{
+	    0.625, 0.0
+	},
+	{
+	    0.75,  0.0
+	},
+	{
+	    0.875, 0.0
+	},
+	{
+	    1.0,   0.0
+	}
+    },
+    {
+	{
+	    0,     0.16667
+	},
+	{
+	    0.125, 0.16667
+	},
+	{
+	    0.25,  0.16667
+	},
+	{
+	    0.375, 0.16667
+	},
+	{
+	    0.5,   0.16667
+	},
+	{
+	    0.625, 0.16667
+	},
+	{
+	    0.75,  0.16667
+	},
+	{
+	    0.875, 0.16667
+	},
+	{
+	    1.0,   0.16667
+	}
+    },
+    {
+	{
+	    0,     0.33333
+	},
+	{
+	    0.125, 0.33333
+	},
+	{
+	    0.25,  0.33333
+	},
+	{
+	    0.375, 0.33333
+	},
+	{
+	    0.5,   0.33333
+	},
+	{
+	    0.625, 0.33333
+	},
+	{
+	    0.75,  0.33333
+	},
+	{
+	    0.875, 0.33333
+	},
+	{
+	    1.0,   0.33333
+	}
+    },
+    {
+	{
+	    0,     0.5
+	},
+	{
+	    0.125, 0.5
+	},
+	{
+	    0.25,  0.5
+	},
+	{
+	    0.375, 0.5
+	},
+	{
+	    0.5,   0.5
+	},
+	{
+	    0.625, 0.5
+	},
+	{
+	    0.75,  0.5
+	},
+	{
+	    0.875, 0.5
+	},
+	{
+	    1.0,   0.5
+	}
+    },
+    {
+	{
+	    0,     0.6667
+	},
+	{
+	    0.125, 0.6667
+	},
+	{
+	    0.25,  0.6667
+	},
+	{
+	    0.375, 0.6667
+	},
+	{
+	    0.5,   0.6667
+	},
+	{
+	    0.625, 0.6667
+	},
+	{
+	    0.75,  0.6667
+	},
+	{
+	    0.875, 0.6667
+	},
+	{
+	    1.0,   0.6667
+	}
+    },
+    {
+	{
+	    0,     0.83333
+	},
+	{
+	    0.125, 0.83333
+	},
+	{
+	    0.25,  0.83333
+	},
+	{
+	    0.375, 0.83333
+	},
+	{
+	    0.5,   0.83333
+	},
+	{
+	    0.625, 0.83333
+	},
+	{
+	    0.75,  0.83333
+	},
+	{
+	    0.875, 0.83333
+	},
+	{
+	    1.0,   0.83333
+	}
+    },
+    {
+	{
+	    0,     1.0
+	},
+	{
+	    0.125, 1.0
+	},
+	{
+	    0.25,  1.0
+	},
+	{
+	    0.375, 1.0
+	},
+	{
+	    0.5,   1.0
+	},
+	{
+	    0.625, 1.0
+	},
+	{
+	    0.75,  1.0
+	},
+	{
+	    0.875, 1.0
+	},
+	{
+	    1.0,   1.0
+	}
+    }
+};
+
+
+static void SetUpAntiAliasedGrayScale(void)
+{
+    float color;
+    GLint i, j;
+
+    for (i = 0; i < 16; i++) {
+	color = (2 * i + 1) / 32.0;
+	for (j = 0; j < 16; j++) {
+	    glutSetColor(i*16+j, color*j/15.0, color*j/15.0, color*j/15.0);
+	}
+    }
+}
+
+static void BendForward(void)
+{
+
+    glTranslatef(0.0, 1.0, 0.0);
+    glRotatef(90.0, 1, 0, 0);
+    glTranslatef(0.0, -1.0, 0.0);
+}
+
+static void BendLeft(void)
+{
+
+    glRotatef(-90.0, 0, 0, 1);
+    glTranslatef(0.0, 1.0, 0.0);
+    glRotatef(90.0, 1, 0, 0);
+    glTranslatef(0.0, -1.0, 0.0);
+}
+
+static void BendRight(void)
+{
+
+    glRotatef(90.0, 0, 0, 1);
+    glTranslatef(0.0, 1.0, 0.0);
+    glRotatef(90.0, 1, 0, 0);
+    glTranslatef(0.0, -1.0, 0.0);
+}
+
+static void BuildSingleCylinder(void)
+{
+
+    glNewList(singleCylinder, GL_COMPILE);
+
+    glBegin(GL_TRIANGLE_STRIP);
+       glNormal3fv(scp[0]); glTexCoord2fv(tscp[0]); glVertex3fv(scp[0]);
+       glNormal3fv(scp[0]); glTexCoord2fv(tscp[1]); glVertex3fv(scp[1]);
+       glNormal3fv(scp[2]); glTexCoord2fv(tscp[2]); glVertex3fv(scp[2]);
+       glNormal3fv(scp[2]); glTexCoord2fv(tscp[3]); glVertex3fv(scp[3]);
+       glNormal3fv(scp[4]); glTexCoord2fv(tscp[4]); glVertex3fv(scp[4]);
+       glNormal3fv(scp[4]); glTexCoord2fv(tscp[5]); glVertex3fv(scp[5]);
+       glNormal3fv(scp[6]); glTexCoord2fv(tscp[6]); glVertex3fv(scp[6]);
+       glNormal3fv(scp[6]); glTexCoord2fv(tscp[7]); glVertex3fv(scp[7]);
+       glNormal3fv(scp[8]); glTexCoord2fv(tscp[8]); glVertex3fv(scp[8]);
+       glNormal3fv(scp[8]); glTexCoord2fv(tscp[9]); glVertex3fv(scp[9]);
+       glNormal3fv(scp[10]); glTexCoord2fv(tscp[10]); glVertex3fv(scp[10]);
+       glNormal3fv(scp[10]); glTexCoord2fv(tscp[11]); glVertex3fv(scp[11]);
+       glNormal3fv(scp[12]); glTexCoord2fv(tscp[12]); glVertex3fv(scp[12]);
+       glNormal3fv(scp[12]); glTexCoord2fv(tscp[13]); glVertex3fv(scp[13]);
+       glNormal3fv(scp[14]); glTexCoord2fv(tscp[14]); glVertex3fv(scp[14]);
+       glNormal3fv(scp[14]); glTexCoord2fv(tscp[15]); glVertex3fv(scp[15]);
+       glNormal3fv(scp[16]); glTexCoord2fv(tscp[16]); glVertex3fv(scp[16]);
+       glNormal3fv(scp[16]); glTexCoord2fv(tscp[17]); glVertex3fv(scp[17]);
+    glEnd();
+
+    glEndList();
+}
+
+static void BuildDoubleCylinder(void)
+{
+
+    glNewList(doubleCylinder, GL_COMPILE);
+
+    glBegin(GL_TRIANGLE_STRIP);
+	glNormal3fv(dcp[0]); glTexCoord2fv(tscp[0]); glVertex3fv(dcp[0]);
+	glNormal3fv(dcp[0]); glTexCoord2fv(tscp[1]); glVertex3fv(dcp[1]);
+	glNormal3fv(dcp[2]); glTexCoord2fv(tscp[2]); glVertex3fv(dcp[2]);
+	glNormal3fv(dcp[2]); glTexCoord2fv(tscp[3]); glVertex3fv(dcp[3]);
+	glNormal3fv(dcp[4]); glTexCoord2fv(tscp[4]); glVertex3fv(dcp[4]);
+	glNormal3fv(dcp[4]); glTexCoord2fv(tscp[5]); glVertex3fv(dcp[5]);
+	glNormal3fv(dcp[6]); glTexCoord2fv(tscp[6]); glVertex3fv(dcp[6]);
+	glNormal3fv(dcp[6]); glTexCoord2fv(tscp[7]); glVertex3fv(dcp[7]);
+	glNormal3fv(dcp[8]); glTexCoord2fv(tscp[8]); glVertex3fv(dcp[8]);
+	glNormal3fv(dcp[8]); glTexCoord2fv(tscp[9]); glVertex3fv(dcp[9]);
+	glNormal3fv(dcp[10]); glTexCoord2fv(tscp[10]); glVertex3fv(dcp[10]);
+	glNormal3fv(dcp[10]); glTexCoord2fv(tscp[11]); glVertex3fv(dcp[11]);
+	glNormal3fv(dcp[12]); glTexCoord2fv(tscp[12]); glVertex3fv(dcp[12]);
+	glNormal3fv(dcp[12]); glTexCoord2fv(tscp[13]); glVertex3fv(dcp[13]);
+	glNormal3fv(dcp[14]); glTexCoord2fv(tscp[14]); glVertex3fv(dcp[14]);
+	glNormal3fv(dcp[14]); glTexCoord2fv(tscp[15]); glVertex3fv(dcp[15]);
+	glNormal3fv(dcp[16]); glTexCoord2fv(tscp[16]); glVertex3fv(dcp[16]);
+	glNormal3fv(dcp[16]); glTexCoord2fv(tscp[17]); glVertex3fv(dcp[17]);
+    glEnd();
+
+    glEndList();
+}
+
+static void BuildElbow(void)
+{
+
+    glNewList(elbow, GL_COMPILE);
+
+    glBegin(GL_TRIANGLE_STRIP);
+	glNormal3fv(en[0][0]); glTexCoord2fv(tep[0][0]); glVertex3fv(ep[0][0]);
+	glNormal3fv(en[1][0]); glTexCoord2fv(tep[1][0]); glVertex3fv(ep[1][0]);
+	glNormal3fv(en[0][1]); glTexCoord2fv(tep[0][1]); glVertex3fv(ep[0][1]);
+	glNormal3fv(en[1][1]); glTexCoord2fv(tep[1][1]); glVertex3fv(ep[1][1]);
+	glNormal3fv(en[0][2]); glTexCoord2fv(tep[0][2]); glVertex3fv(ep[0][2]);
+	glNormal3fv(en[1][2]); glTexCoord2fv(tep[1][2]); glVertex3fv(ep[1][2]);
+	glNormal3fv(en[0][3]); glTexCoord2fv(tep[0][3]); glVertex3fv(ep[0][3]);
+	glNormal3fv(en[1][3]); glTexCoord2fv(tep[1][3]); glVertex3fv(ep[1][3]);
+	glNormal3fv(en[0][4]); glTexCoord2fv(tep[0][4]); glVertex3fv(ep[0][4]);
+	glNormal3fv(en[1][4]); glTexCoord2fv(tep[1][4]); glVertex3fv(ep[1][4]);
+	glNormal3fv(en[0][5]); glTexCoord2fv(tep[0][5]); glVertex3fv(ep[0][5]);
+	glNormal3fv(en[1][5]); glTexCoord2fv(tep[1][5]); glVertex3fv(ep[1][5]);
+	glNormal3fv(en[0][6]); glTexCoord2fv(tep[0][6]); glVertex3fv(ep[0][6]);
+	glNormal3fv(en[1][6]); glTexCoord2fv(tep[1][6]); glVertex3fv(ep[1][6]);
+	glNormal3fv(en[0][7]); glTexCoord2fv(tep[0][7]); glVertex3fv(ep[0][7]);
+	glNormal3fv(en[1][7]); glTexCoord2fv(tep[1][7]); glVertex3fv(ep[1][7]);
+	glNormal3fv(en[0][8]); glTexCoord2fv(tep[0][8]); glVertex3fv(ep[0][8]);
+	glNormal3fv(en[1][8]); glTexCoord2fv(tep[1][8]); glVertex3fv(ep[1][8]);
+    glEnd();
+    glBegin(GL_TRIANGLE_STRIP);
+	glNormal3fv(en[1][0]); glTexCoord2fv(tep[1][0]); glVertex3fv(ep[1][0]);
+	glNormal3fv(en[2][0]); glTexCoord2fv(tep[2][0]); glVertex3fv(ep[2][0]);
+	glNormal3fv(en[1][1]); glTexCoord2fv(tep[1][1]); glVertex3fv(ep[1][1]);
+	glNormal3fv(en[2][1]); glTexCoord2fv(tep[2][1]); glVertex3fv(ep[2][1]);
+	glNormal3fv(en[1][2]); glTexCoord2fv(tep[1][2]); glVertex3fv(ep[1][2]);
+	glNormal3fv(en[2][2]); glTexCoord2fv(tep[2][2]); glVertex3fv(ep[2][2]);
+	glNormal3fv(en[1][3]); glTexCoord2fv(tep[1][3]); glVertex3fv(ep[1][3]);
+	glNormal3fv(en[2][3]); glTexCoord2fv(tep[2][3]); glVertex3fv(ep[2][3]);
+	glNormal3fv(en[1][4]); glTexCoord2fv(tep[1][4]); glVertex3fv(ep[1][4]);
+	glNormal3fv(en[2][4]); glTexCoord2fv(tep[2][4]); glVertex3fv(ep[2][4]);
+	glNormal3fv(en[1][5]); glTexCoord2fv(tep[1][5]); glVertex3fv(ep[1][5]);
+	glNormal3fv(en[2][5]); glTexCoord2fv(tep[2][5]); glVertex3fv(ep[2][5]);
+	glNormal3fv(en[1][6]); glTexCoord2fv(tep[1][6]); glVertex3fv(ep[1][6]);
+	glNormal3fv(en[2][6]); glTexCoord2fv(tep[2][6]); glVertex3fv(ep[2][6]);
+	glNormal3fv(en[1][7]); glTexCoord2fv(tep[1][7]); glVertex3fv(ep[1][7]);
+	glNormal3fv(en[2][7]); glTexCoord2fv(tep[2][7]); glVertex3fv(ep[2][7]);
+	glNormal3fv(en[1][8]); glTexCoord2fv(tep[1][8]); glVertex3fv(ep[1][8]);
+	glNormal3fv(en[2][8]); glTexCoord2fv(tep[2][8]); glVertex3fv(ep[2][8]);
+    glEnd();
+    glBegin(GL_TRIANGLE_STRIP);
+	glNormal3fv(en[2][0]); glTexCoord2fv(tep[2][0]); glVertex3fv(ep[2][0]);
+	glNormal3fv(en[3][0]); glTexCoord2fv(tep[3][0]); glVertex3fv(ep[3][0]);
+	glNormal3fv(en[2][1]); glTexCoord2fv(tep[2][1]); glVertex3fv(ep[2][1]);
+	glNormal3fv(en[3][1]); glTexCoord2fv(tep[3][1]); glVertex3fv(ep[3][1]);
+	glNormal3fv(en[2][2]); glTexCoord2fv(tep[2][2]); glVertex3fv(ep[2][2]);
+	glNormal3fv(en[3][2]); glTexCoord2fv(tep[3][2]); glVertex3fv(ep[3][2]);
+	glNormal3fv(en[2][3]); glTexCoord2fv(tep[2][3]); glVertex3fv(ep[2][3]);
+	glNormal3fv(en[3][3]); glTexCoord2fv(tep[3][3]); glVertex3fv(ep[3][3]);
+	glNormal3fv(en[2][4]); glTexCoord2fv(tep[2][4]); glVertex3fv(ep[2][4]);
+	glNormal3fv(en[3][4]); glTexCoord2fv(tep[3][4]); glVertex3fv(ep[3][4]);
+	glNormal3fv(en[2][5]); glTexCoord2fv(tep[2][5]); glVertex3fv(ep[2][5]);
+	glNormal3fv(en[3][5]); glTexCoord2fv(tep[3][5]); glVertex3fv(ep[3][5]);
+	glNormal3fv(en[2][6]); glTexCoord2fv(tep[2][6]); glVertex3fv(ep[2][6]);
+	glNormal3fv(en[3][6]); glTexCoord2fv(tep[3][6]); glVertex3fv(ep[3][6]);
+	glNormal3fv(en[2][7]); glTexCoord2fv(tep[2][7]); glVertex3fv(ep[2][7]);
+	glNormal3fv(en[3][7]); glTexCoord2fv(tep[3][7]); glVertex3fv(ep[3][7]);
+	glNormal3fv(en[2][8]); glTexCoord2fv(tep[2][8]); glVertex3fv(ep[2][8]);
+	glNormal3fv(en[3][8]); glTexCoord2fv(tep[3][8]); glVertex3fv(ep[3][8]);
+    glEnd();
+    glBegin(GL_TRIANGLE_STRIP);
+	glNormal3fv(en[3][0]); glTexCoord2fv(tep[3][0]); glVertex3fv(ep[3][0]);
+	glNormal3fv(en[4][0]); glTexCoord2fv(tep[4][0]); glVertex3fv(ep[4][0]);
+	glNormal3fv(en[3][1]); glTexCoord2fv(tep[3][1]); glVertex3fv(ep[3][1]);
+	glNormal3fv(en[4][1]); glTexCoord2fv(tep[4][1]); glVertex3fv(ep[4][1]);
+	glNormal3fv(en[3][2]); glTexCoord2fv(tep[3][2]); glVertex3fv(ep[3][2]);
+	glNormal3fv(en[4][2]); glTexCoord2fv(tep[4][2]); glVertex3fv(ep[4][2]);
+	glNormal3fv(en[3][3]); glTexCoord2fv(tep[3][3]); glVertex3fv(ep[3][3]);
+	glNormal3fv(en[4][3]); glTexCoord2fv(tep[4][3]); glVertex3fv(ep[4][3]);
+	glNormal3fv(en[3][4]); glTexCoord2fv(tep[3][4]); glVertex3fv(ep[3][4]);
+	glNormal3fv(en[4][4]); glTexCoord2fv(tep[4][4]); glVertex3fv(ep[4][4]);
+	glNormal3fv(en[3][5]); glTexCoord2fv(tep[3][5]); glVertex3fv(ep[3][5]);
+	glNormal3fv(en[4][5]); glTexCoord2fv(tep[4][5]); glVertex3fv(ep[4][5]);
+	glNormal3fv(en[3][6]); glTexCoord2fv(tep[3][6]); glVertex3fv(ep[3][6]);
+	glNormal3fv(en[4][6]); glTexCoord2fv(tep[4][6]); glVertex3fv(ep[4][6]);
+	glNormal3fv(en[3][7]); glTexCoord2fv(tep[3][7]); glVertex3fv(ep[3][7]);
+	glNormal3fv(en[4][7]); glTexCoord2fv(tep[4][7]); glVertex3fv(ep[4][7]);
+	glNormal3fv(en[3][8]); glTexCoord2fv(tep[3][8]); glVertex3fv(ep[3][8]);
+	glNormal3fv(en[4][8]); glTexCoord2fv(tep[4][8]); glVertex3fv(ep[4][8]);
+    glEnd();
+    glBegin(GL_TRIANGLE_STRIP);
+	glNormal3fv(en[4][0]); glTexCoord2fv(tep[4][0]); glVertex3fv(ep[4][0]);
+	glNormal3fv(en[5][0]); glTexCoord2fv(tep[5][0]); glVertex3fv(ep[5][0]);
+	glNormal3fv(en[4][1]); glTexCoord2fv(tep[4][1]); glVertex3fv(ep[4][1]);
+	glNormal3fv(en[5][1]); glTexCoord2fv(tep[5][1]); glVertex3fv(ep[5][1]);
+	glNormal3fv(en[4][2]); glTexCoord2fv(tep[4][2]); glVertex3fv(ep[4][2]);
+	glNormal3fv(en[5][2]); glTexCoord2fv(tep[5][2]); glVertex3fv(ep[5][2]);
+	glNormal3fv(en[4][3]); glTexCoord2fv(tep[4][3]); glVertex3fv(ep[4][3]);
+	glNormal3fv(en[5][3]); glTexCoord2fv(tep[5][3]); glVertex3fv(ep[5][3]);
+	glNormal3fv(en[4][4]); glTexCoord2fv(tep[4][4]); glVertex3fv(ep[4][4]);
+	glNormal3fv(en[5][4]); glTexCoord2fv(tep[5][4]); glVertex3fv(ep[5][4]);
+	glNormal3fv(en[4][5]); glTexCoord2fv(tep[4][5]); glVertex3fv(ep[4][5]);
+	glNormal3fv(en[5][5]); glTexCoord2fv(tep[5][5]); glVertex3fv(ep[5][5]);
+	glNormal3fv(en[4][6]); glTexCoord2fv(tep[4][6]); glVertex3fv(ep[4][6]);
+	glNormal3fv(en[5][6]); glTexCoord2fv(tep[5][6]); glVertex3fv(ep[5][6]);
+	glNormal3fv(en[4][7]); glTexCoord2fv(tep[4][7]); glVertex3fv(ep[4][7]);
+	glNormal3fv(en[5][7]); glTexCoord2fv(tep[5][7]); glVertex3fv(ep[5][7]);
+	glNormal3fv(en[4][8]); glTexCoord2fv(tep[4][8]); glVertex3fv(ep[4][8]);
+	glNormal3fv(en[5][8]); glTexCoord2fv(tep[5][8]); glVertex3fv(ep[5][8]);
+    glEnd();
+    glBegin(GL_TRIANGLE_STRIP);
+	glNormal3fv(en[5][0]); glTexCoord2fv(tep[5][0]); glVertex3fv(ep[5][0]);
+	glNormal3fv(en[6][0]); glTexCoord2fv(tep[6][0]); glVertex3fv(ep[6][0]);
+	glNormal3fv(en[5][1]); glTexCoord2fv(tep[5][1]); glVertex3fv(ep[5][1]);
+	glNormal3fv(en[6][1]); glTexCoord2fv(tep[6][1]); glVertex3fv(ep[6][1]);
+	glNormal3fv(en[5][2]); glTexCoord2fv(tep[5][2]); glVertex3fv(ep[5][2]);
+	glNormal3fv(en[6][2]); glTexCoord2fv(tep[6][2]); glVertex3fv(ep[6][2]);
+	glNormal3fv(en[5][3]); glTexCoord2fv(tep[5][3]); glVertex3fv(ep[5][3]);
+	glNormal3fv(en[6][3]); glTexCoord2fv(tep[6][3]); glVertex3fv(ep[6][3]);
+	glNormal3fv(en[5][4]); glTexCoord2fv(tep[5][4]); glVertex3fv(ep[5][4]);
+	glNormal3fv(en[6][4]); glTexCoord2fv(tep[6][4]); glVertex3fv(ep[6][4]);
+	glNormal3fv(en[5][5]); glTexCoord2fv(tep[5][5]); glVertex3fv(ep[5][5]);
+	glNormal3fv(en[6][5]); glTexCoord2fv(tep[6][5]); glVertex3fv(ep[6][5]);
+	glNormal3fv(en[5][6]); glTexCoord2fv(tep[5][6]); glVertex3fv(ep[5][6]);
+	glNormal3fv(en[6][6]); glTexCoord2fv(tep[6][6]); glVertex3fv(ep[6][6]);
+	glNormal3fv(en[5][7]); glTexCoord2fv(tep[5][7]); glVertex3fv(ep[5][7]);
+	glNormal3fv(en[6][7]); glTexCoord2fv(tep[6][7]); glVertex3fv(ep[6][7]);
+	glNormal3fv(en[5][8]); glTexCoord2fv(tep[5][8]); glVertex3fv(ep[5][8]);
+	glNormal3fv(en[6][8]); glTexCoord2fv(tep[6][8]); glVertex3fv(ep[6][8]);
+    glEnd();
+
+    glEndList();
+}
+
+static void BuildLogo(void)
+{
+
+    glNewList(logo, GL_COMPILE);
+
+    glTranslatef(5.5, -3.5, 4.5);
+    glTranslatef(0.0, 0.0, -7.0);
+    glCallList(doubleCylinder);
+    BendForward();
+    glCallList(elbow);
+    glTranslatef(0.0, 0.0, -7.0);
+    glCallList(doubleCylinder);
+    BendForward();
+    glCallList(elbow);
+    glTranslatef(0.0, 0.0, -5.0);
+    glCallList(singleCylinder);
+    BendRight();
+    glCallList(elbow);
+    glTranslatef(0.0, 0.0, -7.0);
+    glCallList(doubleCylinder);
+    BendForward();
+    glCallList(elbow);
+    glTranslatef(0.0, 0.0, -7.0);
+    glCallList(doubleCylinder);
+    BendForward();
+    glCallList(elbow);
+    glTranslatef(0.0, 0.0, -5.0);
+    glCallList(singleCylinder);
+    BendLeft();
+    glCallList(elbow);
+    glTranslatef(0.0, 0.0, -7.0);
+    glCallList(doubleCylinder);
+    BendForward();
+    glCallList(elbow);
+    glTranslatef(0.0, 0.0, -7.0);
+    glCallList(doubleCylinder);
+    BendForward();
+    glCallList(elbow);
+    glTranslatef(0.0, 0.0, -5.0);
+    glCallList(singleCylinder);
+    BendRight();
+    glCallList(elbow);
+    glTranslatef(0.0, 0.0, -7.0);
+    glCallList(doubleCylinder);
+    BendForward();
+    glCallList(elbow);
+    glTranslatef(0.0, 0.0, -7.0);
+    glCallList(doubleCylinder);
+    BendForward();
+    glCallList(elbow);
+    glTranslatef(0.0, 0.0, -5.0);
+    glCallList(singleCylinder);
+    BendLeft();
+    glCallList(elbow);
+    glTranslatef(0.0, 0.0, -7.0);
+    glCallList(doubleCylinder);
+    BendForward();
+    glCallList(elbow);
+    glTranslatef(0.0, 0.0, -7.0);
+    glCallList(doubleCylinder);
+    BendForward();
+    glCallList(elbow);
+    glTranslatef(0.0, 0.0, -5.0);
+    glCallList(singleCylinder);
+    BendRight();
+    glCallList(elbow);
+    glTranslatef(0.0, 0.0, -7.0);
+    glCallList(doubleCylinder);
+    BendForward();
+    glCallList(elbow);
+    glTranslatef(0.0, 0.0, -7.0);
+    glCallList(doubleCylinder);
+    BendForward();
+    glCallList(elbow);
+    glTranslatef(0.0, 0.0, -5.0);
+    glCallList(singleCylinder);
+    BendLeft();
+    glCallList(elbow);
+
+    glEndList();
+}
+
+static void BuildLists(void)
+{
+
+    singleCylinder = glGenLists(1);
+    doubleCylinder = glGenLists(1);
+    elbow = glGenLists(1);
+    logo = glGenLists(1);
+
+    BuildSingleCylinder();
+    BuildDoubleCylinder();
+    BuildElbow();
+    BuildLogo();
+}
+
+static void Init(void)
+{
+    static float ambient[] = {0.1, 0.1, 0.1, 1.0};
+    static float diffuse[] = {0.5, 1.0, 1.0, 1.0};
+    static float position[] = {90.0, 90.0, 150.0, 0.0};
+    static float front_mat_shininess[] = {30.0};
+    static float front_mat_specular[] = {0.2, 0.2, 0.2, 1.0};
+    static float front_mat_diffuse[] = {0.5, 0.28, 0.38, 1.0};
+    static float back_mat_shininess[] = {50.0};
+    static float back_mat_specular[] = {0.5, 0.5, 0.2, 1.0};
+    static float back_mat_diffuse[] = {1.0, 1.0, 0.2, 1.0};
+    static float lmodel_ambient[] = {1.0, 1.0, 1.0, 1.0};
+    static float lmodel_twoside[] = {GL_TRUE};
+
+    glClearColor(0.0, 0.0, 0.0, 0.0);
+
+    glFrontFace(GL_CW);
+
+    glEnable(GL_DEPTH_TEST);
+
+    glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
+    glLightModelfv(GL_LIGHT_MODEL_TWO_SIDE, lmodel_twoside);
+    glLightfv(GL_LIGHT0, GL_AMBIENT, ambient);
+    glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse);
+    glLightfv(GL_LIGHT0, GL_POSITION, position);
+    glEnable(GL_LIGHTING);
+    glEnable(GL_LIGHT0);
+    
+    glMaterialfv(GL_FRONT, GL_SHININESS, front_mat_shininess);
+    glMaterialfv(GL_FRONT, GL_SPECULAR, front_mat_specular);
+    glMaterialfv(GL_FRONT, GL_DIFFUSE, front_mat_diffuse);
+    glMaterialfv(GL_BACK, GL_SHININESS, back_mat_shininess);
+    glMaterialfv(GL_BACK, GL_SPECULAR, back_mat_specular);
+    glMaterialfv(GL_BACK, GL_DIFFUSE, back_mat_diffuse);
+
+    glEnable(GL_CLIP_PLANE0);
+
+    if (rgb) {
+	glTexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, decal);
+	glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, repeat);
+	glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, repeat);
+	glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, nearest);
+	glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, nearest);
+	glTexImage2D(GL_TEXTURE_2D, 0, 3, CHECKIMAGEWIDTH, CHECKIMAGEHEIGHT, 0,
+		     GL_RGB, GL_UNSIGNED_BYTE, (GLvoid *)checkImage);
+	glEnable(GL_TEXTURE_2D);
+
+	glCullFace(GL_BACK);
+	glEnable(GL_CULL_FACE);
+    } else {
+	SetGreyRamp();
+        /* commented out by BrianP because it's the wrong way to handle a 4-bit visual!
+	if (doubleBuffer) {
+	    colorIndexes[1] = 10;
+	    colorIndexes[2] = 15;
+	}
+        */
+	glMaterialiv(GL_FRONT_AND_BACK, GL_COLOR_INDEXES, colorIndexes);
+    }
+
+    BuildLists();
+
+    dithering = GL_TRUE;
+    shade = GL_TRUE;
+    doStipple = GL_FALSE;
+    polyMode = GL_BACK;
+}
+
+static void Reshape(int width, int height)
+{
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    gluPerspective(90, 1.0, 1.0, 200.0);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key2(int key, int x, int y)
+{
+    (void) x;
+    (void) y;
+    switch (key) {
+      case GLUT_KEY_LEFT:
+	yRotation += 0.5;
+	break;
+      case GLUT_KEY_RIGHT:
+	yRotation -= 0.5;
+	break;
+      case GLUT_KEY_UP:
+	plane[3] += 2.0;
+	break;
+      case GLUT_KEY_DOWN:
+	plane[3] -= 2.0;
+	break;
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+    (void) x;
+    (void) y;
+    switch (key) {
+      case 27:
+	exit(1);
+
+      case 'Z':
+	zTranslation -= 1.0;
+	break;
+      case 'z':
+	zTranslation += 1.0;
+	break;
+
+      case '1':
+	glPolygonMode(polyMode, GL_POINT);
+	break;
+      case '2':
+	glPolygonMode(polyMode, GL_LINE);
+	break;
+      case '3':
+	glPolygonMode(polyMode, GL_FILL);
+	break;
+      case 'p':
+	switch (polyMode) {
+	  case GL_BACK:
+	    polyMode = GL_FRONT;
+            printf("PolygonMode GL_FRONT\n");
+	    break;
+	  case GL_FRONT:
+	    polyMode = GL_FRONT_AND_BACK;
+            printf("PolygonMode GL_FRONT_AND_BACK\n");
+	    break;
+	  case GL_FRONT_AND_BACK:
+	    polyMode = GL_BACK;
+            printf("PolygonMode GL_BACK\n");
+	    break;
+          default:
+            break;
+	}
+	break;
+
+      case '4':
+	glHint(GL_POLYGON_SMOOTH_HINT, GL_NICEST);
+	break;
+      case '5':
+	glEnable(GL_POLYGON_SMOOTH);
+	if (rgb) {
+	    glBlendFunc(GL_SRC_ALPHA, GL_ONE);
+	    glEnable(GL_BLEND);
+	    glDisable(GL_DEPTH_TEST);
+	} else {
+	    SetUpAntiAliasedGrayScale();
+	}
+	break;
+      case '6':
+	glDisable(GL_POLYGON_SMOOTH);
+	if (rgb) {
+	    glBlendFunc(GL_ONE, GL_ZERO);
+	    glDisable(GL_BLEND);
+	    glEnable(GL_DEPTH_TEST);
+	} else {
+	    SetGreyRamp();
+	}
+	break;
+
+      case '8':
+	dithering = !dithering;
+	(dithering) ? glEnable(GL_DITHER) : glDisable(GL_DITHER);
+	break;
+
+      case '9':
+	doStipple = !doStipple;
+	if (doStipple) {
+	    glPolygonStipple(stipple);
+	    glEnable(GL_POLYGON_STIPPLE);
+	} else {
+	    glDisable(GL_POLYGON_STIPPLE);
+	}
+	break;
+
+      case '0':
+	shade = !shade;
+	(shade) ? glShadeModel(GL_SMOOTH) : glShadeModel(GL_FLAT);
+	break;
+
+      case 'q':
+	glDisable(GL_CULL_FACE);
+        printf("disable culling\n");
+	break;
+      case 'w':
+	glEnable(GL_CULL_FACE);
+	glCullFace(GL_FRONT);
+        printf("enable front face culling\n");
+	break;
+      case 'e':
+	glEnable(GL_CULL_FACE);
+	glCullFace(GL_BACK);
+        printf("enable back face culling\n");
+	break;
+
+      case 'r':
+	glFrontFace(GL_CW);
+	break;
+      case 't': 
+	glFrontFace(GL_CCW);
+	break;
+      case 'y':
+	glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+	glPixelStorei(GL_UNPACK_LSB_FIRST, 0);
+	glPolygonStipple(stipple);
+	break;
+      case 'u':
+	glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+	glPixelStorei(GL_UNPACK_LSB_FIRST, 1);
+	glPolygonStipple(stipple);
+	break;
+
+      case 'a':
+	glEnable(GL_TEXTURE_2D);
+	glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, repeat);
+	glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, repeat);
+	glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, nearest);
+	glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, nearest);
+	glTexImage2D(GL_TEXTURE_2D, 0, 4, BRICKIMAGEWIDTH,
+		     BRICKIMAGEHEIGHT, 0, GL_RGBA, GL_UNSIGNED_BYTE,
+		     (GLvoid *)brickImage);
+	break;
+      case 's':
+	glEnable(GL_TEXTURE_2D);
+	glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, repeat);
+	glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, repeat);
+	glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, nearest);
+	glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, nearest);
+	glTexImage2D(GL_TEXTURE_2D, 0, 3, CHECKIMAGEWIDTH,
+		     CHECKIMAGEHEIGHT, 0, GL_RGB, GL_UNSIGNED_BYTE,
+		     (GLvoid *)checkImage);
+	break;
+      case 'd':
+	glDisable(GL_TEXTURE_2D);
+	break;
+
+      case 'f':
+	glTexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, decal);
+	break;
+      case 'g':
+	glTexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, modulate);
+	break;
+
+      case 'n':
+        /* added by BrianP */
+        noDraw = !noDraw;
+        if (noDraw) {
+           glDrawBuffer( GL_NONE );
+        }
+        else {
+           if (doubleBuffer) {
+              glDrawBuffer( GL_BACK );
+           }
+           else {
+              glDrawBuffer( GL_FRONT );
+           }
+        }
+        break;
+
+      case 'l':
+         /* Line Smooth - added by BrianP */
+         LineSmooth = !LineSmooth;
+         if (LineSmooth) {
+            glEnable(GL_LINE_SMOOTH);
+	    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+            glEnable(GL_BLEND);
+         }
+         else {
+            glDisable(GL_LINE_SMOOTH);
+	    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+            glDisable(GL_BLEND);
+         }
+         break;
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+
+    glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
+
+    glPushMatrix();
+
+    glTranslatef(0, 0, zTranslation);
+    glRotatef(30.0, 1, 0, 0);
+    glRotatef(yRotation, 0, 1, 0);
+    glClipPlane(GL_CLIP_PLANE0, plane);
+    glCallList(logo);
+
+    glPopMatrix();
+
+    glFlush();
+
+    if (doubleBuffer) {
+	glutSwapBuffers();
+    }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    rgb = GL_TRUE;
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+	if (strcmp(argv[i], "-ci") == 0) {
+	    rgb = GL_FALSE;
+	} else if (strcmp(argv[i], "-rgb") == 0) {
+	    rgb = GL_TRUE;
+	} else if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    printf("%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    unsigned int type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(0, 0); glutInitWindowSize( 300, 300);
+
+    type = GLUT_DEPTH;
+    type |= (rgb) ? GLUT_RGB : GLUT_INDEX;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("Logo Test") == GL_FALSE) {
+	exit(1);
+    }
+
+    InitMap();
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutSpecialFunc(Key2);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/samples/nurb.c b/nx-X11/extras/Mesa_6.4.2/progs/samples/nurb.c
new file mode 100644
index 000000000..dc8991295
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/samples/nurb.c
@@ -0,0 +1,357 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+#include <GL/glut.h>
+
+
+#ifndef CALLBACK
+#define CALLBACK
+#endif
+
+
+#define INREAL float
+
+#define S_NUMPOINTS 13
+#define S_ORDER     3   
+#define S_NUMKNOTS  (S_NUMPOINTS + S_ORDER)
+#define T_NUMPOINTS 3
+#define T_ORDER     3 
+#define T_NUMKNOTS  (T_NUMPOINTS + T_ORDER)
+#define SQRT_TWO    1.41421356237309504880
+
+
+typedef INREAL Point[4];
+
+
+GLenum doubleBuffer;
+
+GLenum expectedError;
+GLint rotX = 40, rotY = 40;
+INREAL sknots[S_NUMKNOTS] = {
+    -1.0, -1.0, -1.0, 0.0, 1.0, 2.0, 3.0, 4.0,
+    4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 9.0, 9.0
+};
+INREAL tknots[T_NUMKNOTS] = {
+    1.0, 1.0, 1.0, 2.0, 2.0, 2.0
+};
+Point ctlpoints[S_NUMPOINTS][T_NUMPOINTS] = {
+    {
+	{
+	    4.0, 2.0, 2.0, 1.0
+	},
+	{
+	    4.0, 1.6, 2.5, 1.0
+	},
+	{
+	    4.0, 2.0, 3.0, 1.0
+	}
+    },
+    {
+	{
+	    5.0, 4.0, 2.0, 1.0
+	},
+	{
+	    5.0, 4.0, 2.5, 1.0
+	},
+	{
+	    5.0, 4.0, 3.0, 1.0
+	}
+    },
+    {
+	{
+	    6.0, 5.0, 2.0, 1.0
+	},
+	{
+	    6.0, 5.0, 2.5, 1.0
+	},
+	{
+	    6.0, 5.0, 3.0, 1.0
+	}
+    },
+    {
+	{
+	    SQRT_TWO*6.0, SQRT_TWO*6.0, SQRT_TWO*2.0, SQRT_TWO
+	},
+	{
+	    SQRT_TWO*6.0, SQRT_TWO*6.0, SQRT_TWO*2.5, SQRT_TWO
+	},
+	{
+	    SQRT_TWO*6.0, SQRT_TWO*6.0, SQRT_TWO*3.0, SQRT_TWO
+	}  
+    },
+    {
+	{
+	    5.2, 6.7, 2.0, 1.0
+	},
+	{
+	    5.2, 6.7, 2.5, 1.0
+	},
+	{
+	    5.2, 6.7, 3.0, 1.0
+	}
+    },
+    {
+	{
+	    SQRT_TWO*4.0, SQRT_TWO*6.0, SQRT_TWO*2.0, SQRT_TWO
+	},
+	{
+	    SQRT_TWO*4.0, SQRT_TWO*6.0, SQRT_TWO*2.5, SQRT_TWO
+	}, 
+	{
+	    SQRT_TWO*4.0, SQRT_TWO*6.0, SQRT_TWO*3.0, SQRT_TWO
+	}  
+    }, 
+    {
+	{
+	    4.0, 5.2, 2.0, 1.0
+	},
+	{
+	    4.0, 4.6, 2.5, 1.0
+	},
+	{
+	    4.0, 5.2, 3.0, 1.0
+	}  
+    },
+    {
+	{
+	    SQRT_TWO*4.0, SQRT_TWO*6.0, SQRT_TWO*2.0, SQRT_TWO
+	},
+	{
+	    SQRT_TWO*4.0, SQRT_TWO*6.0, SQRT_TWO*2.5, SQRT_TWO
+	},
+	{
+	    SQRT_TWO*4.0, SQRT_TWO*6.0, SQRT_TWO*3.0, SQRT_TWO
+	}  
+    },
+    {
+	{
+	    2.8, 6.7, 2.0, 1.0
+	},
+	{
+	    2.8, 6.7, 2.5, 1.0
+	},
+	{
+	    2.8, 6.7, 3.0, 1.0
+	}   
+    },
+    {
+	{
+	    SQRT_TWO*2.0, SQRT_TWO*6.0, SQRT_TWO*2.0, SQRT_TWO
+	},
+	{
+	    SQRT_TWO*2.0, SQRT_TWO*6.0, SQRT_TWO*2.5, SQRT_TWO
+	},
+	{
+	    SQRT_TWO*2.0, SQRT_TWO*6.0, SQRT_TWO*3.0, SQRT_TWO
+	}  
+    },
+    {
+	{
+	    2.0, 5.0, 2.0, 1.0
+	},
+	{
+	    2.0, 5.0, 2.5, 1.0
+	},
+	{
+	    2.0, 5.0, 3.0, 1.0
+	} 
+    },
+    {
+	{
+	    3.0, 4.0, 2.0, 1.0
+	},
+	{
+	    3.0, 4.0, 2.5, 1.0
+	},
+	{
+	    3.0, 4.0, 3.0, 1.0
+	} 
+    },
+    {
+	{
+	    4.0, 2.0, 2.0, 1.0
+	},
+	{
+	    4.0, 1.6, 2.5, 1.0
+	},
+	{
+	    4.0, 2.0, 3.0, 1.0
+	}    
+    }
+};
+GLUnurbsObj *theNurbs;
+
+
+static void CALLBACK ErrorCallback(GLenum which)
+{
+
+    if (which != expectedError) {
+	fprintf(stderr, "Unexpected error occured (%d):\n", which);
+	fprintf(stderr, "    %s\n", (char *) gluErrorString(which));
+    }
+}
+
+typedef void (GLAPIENTRY *callback_t)();
+
+static void Init(void)
+{
+
+    theNurbs = gluNewNurbsRenderer();
+    gluNurbsCallback(theNurbs, GLU_ERROR, (callback_t) ErrorCallback);
+
+    gluNurbsProperty(theNurbs, GLU_SAMPLING_TOLERANCE, 15.0);
+    gluNurbsProperty(theNurbs, GLU_DISPLAY_MODE, GLU_OUTLINE_PATCH);
+
+    expectedError = GLU_INVALID_ENUM;
+    gluNurbsProperty(theNurbs, ~0, 15.0);
+    expectedError = GLU_NURBS_ERROR13;
+    gluEndSurface(theNurbs);
+    expectedError = 0;
+
+    glColor3f(1.0, 1.0, 1.0);
+}
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glFrustum(-2.0, 2.0, -2.0, 2.0, 0.8, 10.0);
+    gluLookAt(7.0, 4.5, 4.0, 4.5, 4.5, 2.5, 6.0, -3.0, 2.0);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key2(int key, int x, int y)
+{
+
+    switch (key) {
+      case GLUT_KEY_DOWN:
+	rotX -= 5;
+	break;
+      case GLUT_KEY_UP:
+	rotX += 5;
+	break;
+      case GLUT_KEY_LEFT:
+	rotY -= 5;
+	break;
+      case GLUT_KEY_RIGHT:
+	rotY += 5;
+	break;
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+    }
+}
+
+static void Draw(void)
+{
+
+    glClear(GL_COLOR_BUFFER_BIT);
+
+    glPushMatrix();
+
+    glTranslatef(4.0, 4.5, 2.5);
+    glRotatef(rotY, 1, 0, 0);
+    glRotatef(rotX, 0, 1, 0);
+    glTranslatef(-4.0, -4.5, -2.5);
+
+    gluBeginSurface(theNurbs);
+    gluNurbsSurface(theNurbs, S_NUMKNOTS, sknots, T_NUMKNOTS, tknots,
+		    4*T_NUMPOINTS, 4, &ctlpoints[0][0][0], S_ORDER,
+		    T_ORDER, GL_MAP2_VERTEX_4);
+    gluEndSurface(theNurbs);
+
+    glPopMatrix();
+
+    glFlush();
+
+    if (doubleBuffer) {
+	glutSwapBuffers();
+    }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+	if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    printf("%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(0, 0); glutInitWindowSize( 300, 300);
+
+    type = GLUT_RGB;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("NURBS Test") == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutSpecialFunc(Key2);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/samples/oglinfo.c b/nx-X11/extras/Mesa_6.4.2/progs/samples/oglinfo.c
new file mode 100644
index 000000000..4fe51efb3
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/samples/oglinfo.c
@@ -0,0 +1,218 @@
+/* oglinfo.c */
+
+/* This demo modified by BrianP to accomodate Mesa and test
+ * the GLX 1.1 functions.
+ */
+
+
+
+#include <GL/gl.h>
+#include <GL/glx.h>
+#include <GL/glu.h>
+#include <stdio.h>
+#include <string.h>
+
+int visual_request0[] = { None }; /* don't need much of a visual */
+int visual_request1[] = { GLX_RGBA, None }; /* in case CI failed */
+
+int main(int argc, char **argv)
+{
+  char *display_name = NULL;
+  char *string;
+  Display       *dpy;
+  int           screen_num;
+  int           major, minor;
+  XVisualInfo   *vis;
+  GLXContext    ctx;
+  Window        root,  win;
+  Colormap      cmap;
+  XSetWindowAttributes swa;
+  int dontcare;
+
+  /* parse arguments */
+  if(argc > 1) {
+    if(!strcmp(argv[1],"-display"))
+      display_name = argv[2];
+    else {
+      fprintf(stderr, "Usage: %s [-display <display>]\n",argv[0]);
+      return 0;
+    }
+  }
+
+  /* get display */
+  if (!(dpy = XOpenDisplay(display_name))) {
+    fprintf(stderr,"Error: XOpenDisplay() failed.\n");
+    return 1;
+  }
+
+  /* does the server know about OpenGL & GLX? */
+#ifndef MESA
+  if(!XQueryExtension(dpy, "GLX", &dontcare, &dontcare, &dontcare)) {
+    fprintf(stderr,"This system doesn't appear to support OpenGL\n");
+    return 1;
+  }
+#else
+  (void) dontcare;
+#endif
+
+  /* find the glx version */
+  if(glXQueryVersion(dpy, &major, &minor))
+    printf("GLX Version: %d.%d\n", major, minor);
+  else {
+    fprintf(stderr, "Error: glXQueryVersion() failed.\n");
+    return 1;
+  }
+
+  /* get screen number */
+  screen_num = DefaultScreen(dpy);
+
+/* This #ifdef isn't redundant. It keeps the build from breaking
+** if you are building on a machine that has an old (1.0) version
+** of glx.
+**
+** This program could still be *run* on a machine that has an old 
+** version of glx, even if it was *compiled* on a version that has
+** a new version.
+**
+** If compiled on a system with an old version of glx, then it will 
+** never recognize glx extensions, since that code would have been
+** #ifdef'ed out.
+*/
+#ifdef GLX_VERSION_1_1
+
+  /*
+  ** This test guarantees that glx, on the display you are inquiring,
+  ** suppports glXQueryExtensionsString().
+  */
+  if(minor > 0 || major > 1)
+    string = (char *) glXQueryExtensionsString(dpy, screen_num);
+  else
+    string = "";
+
+  if(string)
+    printf("GLX Extensions (client & server): %s\n",
+	   string);
+  else {
+    fprintf(stderr, "Error: glXQueryExtensionsString() failed.\n");
+    return 1;
+  }
+
+  if (minor>0 || major>1) {
+     printf("glXGetClientString(GLX_VENDOR): %s\n", glXGetClientString(dpy,GLX_VENDOR));
+     printf("glXGetClientString(GLX_VERSION): %s\n", glXGetClientString(dpy,GLX_VERSION));
+     printf("glXGetClientString(GLX_EXTENSIONS): %s\n", glXGetClientString(dpy,GLX_EXTENSIONS));
+     printf("glXQueryServerString(GLX_VENDOR): %s\n", glXQueryServerString(dpy,screen_num,GLX_VENDOR));
+     printf("glXQueryServerString(GLX_VERSION): %s\n", glXQueryServerString(dpy,screen_num,GLX_VERSION));
+     printf("glXQueryServerString(GLX_EXTENSIONS): %s\n", glXQueryServerString(dpy,screen_num,GLX_EXTENSIONS));
+  }
+
+
+#endif
+
+   /* get any valid OpenGL visual */
+   if (!(vis = glXChooseVisual(dpy, screen_num, visual_request0)))  {
+      if (!(vis = glXChooseVisual(dpy, screen_num, visual_request1)))  {
+         fprintf(stderr,"Error: glXChooseVisual() failed.\n");
+         return 1;
+      }
+   }
+
+   /* get context */
+   ctx = glXCreateContext(dpy,vis,0,GL_TRUE);
+
+   /* root window */
+   root = RootWindow(dpy,vis->screen);
+
+   /* get RGBA colormap */
+   cmap = XCreateColormap(dpy, root, vis->visual, AllocNone);
+
+   /* get window */
+   swa.colormap = cmap;
+   swa.border_pixel = 0;
+   swa.event_mask = StructureNotifyMask;
+   win = XCreateWindow(dpy, root, 0, 0, 1, 1, 0, vis->depth,
+		       InputOutput,vis->visual,
+		       CWBorderPixel|CWColormap|CWEventMask,
+		       &swa);
+
+   glXMakeCurrent(dpy,win,ctx);
+
+  string = (char *) glGetString(GL_VERSION);
+  if(string)
+#ifdef MESA
+    printf("Mesa Version: %s\n", string);
+#else
+    printf("OpenGL Version: %s\n", string);
+#endif
+  else {
+    fprintf(stderr, "Error: glGetString(GL_VERSION) failed.\n");
+    return 1;
+  }
+
+  string = (char *) glGetString(GL_EXTENSIONS);
+
+  if(string)
+#ifdef MESA
+    printf("Mesa Extensions: %s\n", string);
+#else
+    printf("OpenGL Extensions: %s\n", string);
+#endif
+  else {
+    fprintf(stderr, "Error: glGetString(GL_EXTENSIONS) failed.\n");
+    return 1;
+  }
+
+  string = (char *) glGetString(GL_RENDERER);
+
+  if(string)
+#ifdef MESA
+    printf("Mesa Renderer: %s\n", string);
+#else
+    printf("OpenGL renderer: %s\n", string);
+#endif
+  else {
+    fprintf(stderr, "Error: glGetString(GL_RENDERER) failed.\n");
+    return 1;
+  }
+
+/*
+** This #ifdef prevents a build failure if you compile on an a
+** machine with an old GLU library. 
+**
+** If you build on a pre GLU 1.1 machine, you will never be able
+** to get glu info, even if you run on a GLU 1.1 or latter machine,
+** since the code has been #ifdef'ed out.
+*/
+#ifdef GLU_VERSION_1_1
+
+  /*
+  ** If the glx version is 1.1 or latter, gluGetString() is guaranteed
+  ** to exist.
+  */
+  if(minor > 0 || major > 1)
+    string = (char *) gluGetString(GLU_VERSION);
+  else
+    string = "1.0";
+
+  if(string)
+    printf("GLU Version: %s\n", string);
+  else {
+    fprintf(stderr, "Error: gluGetString(GLU_VERSION) failed.\n");
+    return 1;
+  }
+  
+  if(minor > 0 || major > 1)
+    string = (char *) gluGetString(GLU_EXTENSIONS);
+  else
+    string = "";
+
+  if(string)
+    printf("GLU Extensions: %s\n", string);
+  else {
+    fprintf(stderr, "Error: gluGetString(GLU_EXTENSIONS) failed.\n");
+    return 1;
+  }
+
+#endif
+  return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/samples/olympic.c b/nx-X11/extras/Mesa_6.4.2/progs/samples/olympic.c
new file mode 100644
index 000000000..5385e4870
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/samples/olympic.c
@@ -0,0 +1,389 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+/*
+ * Nov 20, 1995 use stdlib's rand()/srand() instead of random()/srand48(), etc.
+ */
+
+/*
+ * Modified by Li Wei(liwei@aiar.xjtu.edu.cn) to be able to run in Windows
+ * 6/13
+ *
+ * Modified by Brian Paul to compile with Windows OR Unix.  7/23/97
+ */
+
+
+#define _HPUX_SOURCE
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+#include <GL/glut.h>
+
+#ifndef RAND_MAX
+#  define RAND_MAX 32767
+#endif
+
+
+#define XSIZE	100
+#define YSIZE	75
+
+#define RINGS 5
+#define BLUERING 0
+#define BLACKRING 1
+#define REDRING 2
+#define YELLOWRING 3
+#define GREENRING 4
+
+#define BACKGROUND 8
+
+
+GLenum rgb, doubleBuffer;
+
+#include "tkmap.c"
+
+unsigned char rgb_colors[RINGS][3];
+int mapped_colors[RINGS];
+float dests[RINGS][3];
+float offsets[RINGS][3];
+float angs[RINGS];
+float rotAxis[RINGS][3];
+int iters[RINGS];
+GLuint theTorus;
+
+
+void FillTorus(float rc, int numc, float rt, int numt)
+{
+    int i, j, k;
+    double s, t;
+    double x, y, z;
+    double pi, twopi;
+
+    pi = 3.14159265358979323846;
+    twopi = 2 * pi;
+
+    for (i = 0; i < numc; i++) {
+	glBegin(GL_QUAD_STRIP);
+        for (j = 0; j <= numt; j++) {
+	    for (k = 1; k >= 0; k--) {
+		s = (i + k) % numc + 0.5;
+		t = j % numt;
+
+		x = cos(t*twopi/numt) * cos(s*twopi/numc);
+		y = sin(t*twopi/numt) * cos(s*twopi/numc);
+		z = sin(s*twopi/numc);
+		glNormal3f(x, y, z);
+
+		x = (rt + rc * cos(s*twopi/numc)) * cos(t*twopi/numt);
+		y = (rt + rc * cos(s*twopi/numc)) * sin(t*twopi/numt);
+		z = rc * sin(s*twopi/numc);
+		glVertex3f(x, y, z);
+	    }
+        }
+	glEnd();
+    }
+}
+
+float Clamp(int iters_left, float t)
+{
+    if (iters_left < 3) {
+	return 0.0;
+    }
+    return (iters_left-2)*t/iters_left;
+}
+
+void DrawScene(void)
+{
+    int i, j;
+    GLboolean goIdle;
+    static double t0 = -1.;
+    double t, dt;
+    t = glutGet(GLUT_ELAPSED_TIME) / 1000.;
+    if (t0 < 0.)
+       t0 = t;
+    dt = t - t0;
+
+    if (dt < 1./30.)
+        return;
+
+    t0 = t;
+
+    goIdle = GL_TRUE;
+    for (i = 0; i < RINGS; i++) {
+	if (iters[i]) {
+	    for (j = 0; j < 3; j++) {
+		offsets[i][j] = Clamp(iters[i], offsets[i][j]);
+	    }
+	    angs[i] = Clamp(iters[i], angs[i]);
+	    iters[i]--;
+	    goIdle = GL_FALSE;
+	}
+    }
+    if (goIdle) {
+       glutIdleFunc(NULL);
+    }
+
+    glPushMatrix();
+
+    glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
+    gluLookAt(0,0,10, 0,0,0, 0,1,0);
+
+    for (i = 0; i < RINGS; i++) {
+	if (rgb) {
+	    glColor3ubv(rgb_colors[i]);
+	} else {
+	    glIndexi(mapped_colors[i]);
+	}
+	glPushMatrix();
+	glTranslatef(dests[i][0]+offsets[i][0], dests[i][1]+offsets[i][1],
+		     dests[i][2]+offsets[i][2]);
+	glRotatef(angs[i], rotAxis[i][0], rotAxis[i][1], rotAxis[i][2]);
+	glCallList(theTorus);
+	glPopMatrix();
+    }
+
+    glPopMatrix();
+
+    glFlush();
+    if (doubleBuffer) {
+	glutSwapBuffers();
+    }
+}
+
+float MyRand(void)
+{
+   return 10.0 * ( (float) rand() / (float) RAND_MAX - 0.5 );
+}
+
+#if !defined(GLUTCALLBACK)
+#define GLUTCALLBACK
+#endif
+
+void GLUTCALLBACK glut_post_redisplay_p(void)
+{
+      glutPostRedisplay();
+}
+
+void ReInit(void)
+{
+    int i;
+    float deviation;
+
+    deviation = MyRand() / 2;
+    deviation = deviation * deviation;
+    for (i = 0; i < RINGS; i++) {
+	offsets[i][0] = MyRand();
+	offsets[i][1] = MyRand();
+	offsets[i][2] = MyRand();
+	angs[i] = 260.0 * MyRand();
+	rotAxis[i][0] = MyRand();
+	rotAxis[i][1] = MyRand();
+	rotAxis[i][2] = MyRand();
+	iters[i] = (deviation * MyRand() + 60.0);
+    }
+    glutIdleFunc(glut_post_redisplay_p);
+}
+
+void Init(void)
+{
+    float base, height;
+    float aspect, x, y;
+    int i;
+
+    float top_y = 1.0;
+    float bottom_y = 0.0;
+    float top_z = 0.15;
+    float bottom_z = 0.69;
+    float spacing = 2.5;
+    static float lmodel_ambient[] = {0.0, 0.0, 0.0, 0.0};
+    static float lmodel_twoside[] = {GL_FALSE};
+    static float lmodel_local[] = {GL_FALSE};
+    static float light0_ambient[] = {0.1, 0.1, 0.1, 1.0};
+    static float light0_diffuse[] = {1.0, 1.0, 1.0, 0.0};
+    static float light0_position[] = {0.8660254, 0.5, 1, 0};
+    static float light0_specular[] = {1.0, 1.0, 1.0, 0.0};
+    static float bevel_mat_ambient[] = {0.0, 0.0, 0.0, 1.0};
+    static float bevel_mat_shininess[] = {40.0};
+    static float bevel_mat_specular[] = {1.0, 1.0, 1.0, 0.0};
+    static float bevel_mat_diffuse[] = {1.0, 0.0, 0.0, 0.0};
+
+    srand( (unsigned int) glutGet(GLUT_ELAPSED_TIME) );
+
+    ReInit();
+    for (i = 0; i < RINGS; i++) {
+	rgb_colors[i][0] = rgb_colors[i][1] = rgb_colors[i][2] = 0;
+    }
+    rgb_colors[BLUERING][2] = 255;
+    rgb_colors[REDRING][0] = 255;
+    rgb_colors[GREENRING][1] = 255;
+    rgb_colors[YELLOWRING][0] = 255;
+    rgb_colors[YELLOWRING][1] = 255;
+    mapped_colors[BLUERING] = COLOR_BLUE;
+    mapped_colors[REDRING] = COLOR_RED;
+    mapped_colors[GREENRING] = COLOR_GREEN;
+    mapped_colors[YELLOWRING] = COLOR_YELLOW;
+    mapped_colors[BLACKRING] = COLOR_BLACK;
+
+    dests[BLUERING][0] = -spacing;
+    dests[BLUERING][1] = top_y;
+    dests[BLUERING][2] = top_z;
+
+    dests[BLACKRING][0] = 0.0;
+    dests[BLACKRING][1] = top_y;
+    dests[BLACKRING][2] = top_z;
+
+    dests[REDRING][0] = spacing;
+    dests[REDRING][1] = top_y;
+    dests[REDRING][2] = top_z;
+
+    dests[YELLOWRING][0] = -spacing / 2.0;
+    dests[YELLOWRING][1] = bottom_y;
+    dests[YELLOWRING][2] = bottom_z;
+
+    dests[GREENRING][0] = spacing / 2.0;
+    dests[GREENRING][1] = bottom_y;
+    dests[GREENRING][2] = bottom_z;
+
+    base = 2.0;
+    height = 2.0;
+    theTorus = glGenLists(1);
+    glNewList(theTorus, GL_COMPILE);
+    FillTorus(0.1, 8, 1.0, 25);
+    glEndList();
+
+    x = (float)XSIZE;
+    y = (float)YSIZE;
+    aspect = x / y;
+    glEnable(GL_CULL_FACE);
+    glCullFace(GL_BACK);
+    glEnable(GL_DEPTH_TEST);
+    glClearDepth(1.0);
+
+    if (rgb) {
+	glClearColor(0.5, 0.5, 0.5, 0.0);
+	glLightfv(GL_LIGHT0, GL_AMBIENT, light0_ambient);
+	glLightfv(GL_LIGHT0, GL_DIFFUSE, light0_diffuse);
+	glLightfv(GL_LIGHT0, GL_SPECULAR, light0_specular);
+	glLightfv(GL_LIGHT0, GL_POSITION, light0_position);
+	glEnable(GL_LIGHT0);
+
+	glLightModelfv(GL_LIGHT_MODEL_LOCAL_VIEWER, lmodel_local);
+	glLightModelfv(GL_LIGHT_MODEL_TWO_SIDE, lmodel_twoside);
+	glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
+	glEnable(GL_LIGHTING);
+
+	glMaterialfv(GL_FRONT, GL_AMBIENT, bevel_mat_ambient);
+	glMaterialfv(GL_FRONT, GL_SHININESS, bevel_mat_shininess);
+	glMaterialfv(GL_FRONT, GL_SPECULAR, bevel_mat_specular);
+	glMaterialfv(GL_FRONT, GL_DIFFUSE, bevel_mat_diffuse);
+
+	glColorMaterial(GL_FRONT_AND_BACK, GL_DIFFUSE);
+	glEnable(GL_COLOR_MATERIAL);
+	glShadeModel(GL_SMOOTH);
+    } else {
+	glClearIndex(BACKGROUND);
+	glShadeModel(GL_FLAT);
+    }
+
+    glMatrixMode(GL_PROJECTION);
+    gluPerspective(45, 1.33, 0.1, 100.0);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, width, height);
+}
+
+void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      case 32:
+	ReInit();
+	break;
+    }
+}
+
+GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    rgb = GL_TRUE;
+    doubleBuffer = GL_TRUE;
+
+    for (i = 1; i < argc; i++) {
+	if (strcmp(argv[i], "-ci") == 0) {
+	    rgb = GL_FALSE;
+	} else if (strcmp(argv[i], "-rgb") == 0) {
+	    rgb = GL_TRUE;
+	} else if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    printf("%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(0, 0); glutInitWindowSize( 400, 300);
+
+    type = GLUT_DEPTH;
+    type |= (rgb) ? GLUT_RGB : GLUT_INDEX;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("Olympic") == GL_FALSE) {
+        exit(1);
+    }
+
+    InitMap();
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(DrawScene);
+    glutIdleFunc(glut_post_redisplay_p);
+
+    glutMainLoop();
+	return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/samples/overlay.c b/nx-X11/extras/Mesa_6.4.2/progs/samples/overlay.c
new file mode 100644
index 000000000..23b5a4793
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/samples/overlay.c
@@ -0,0 +1,378 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <math.h>
+#include <time.h>
+#include <GL/glut.h>
+
+
+#ifndef PI
+#define PI 3.141592657
+#endif
+
+
+enum {
+    NORMAL = 0,
+    WEIRD = 1
+};
+
+enum {
+    STREAK = 0,
+    CIRCLE = 1
+};
+
+#define MAXSTARS 400
+#define MAXPOS 10000
+#define MAXWARP 10
+#define MAXANGLES 6000
+
+
+typedef struct _starRec {
+    GLint type;
+    float x[2], y[2], z[2];
+    float offsetX, offsetY, offsetR, rotation;
+} starRec;
+
+
+GLenum doubleBuffer;
+GLint windW, windH;
+
+GLenum flag = NORMAL, overlayInit = GL_FALSE;
+GLint starCount = MAXSTARS / 2;
+float speed = 1.0;
+GLint nitro = 0;
+starRec stars[MAXSTARS];
+float sinTable[MAXANGLES];
+
+
+float Sin(float angle)
+{
+
+    return (sinTable[(GLint)angle]);
+}
+
+float Cos(float angle)
+{
+
+    return (sinTable[((GLint)angle+(MAXANGLES/4))%MAXANGLES]);
+}
+
+void NewStar(GLint n, GLint d)
+{
+
+    if (rand()%4 == 0) {
+	stars[n].type = CIRCLE;
+    } else {
+	stars[n].type = STREAK;
+    }
+    stars[n].x[0] = (float)(rand() % MAXPOS - MAXPOS / 2);
+    stars[n].y[0] = (float)(rand() % MAXPOS - MAXPOS / 2);
+    stars[n].z[0] = (float)(rand() % MAXPOS + d);
+    if (rand()%4 == 0 && flag == WEIRD) {
+	stars[n].offsetX = (float)(rand() % 100 - 100 / 2);
+	stars[n].offsetY = (float)(rand() % 100 - 100 / 2);
+	stars[n].offsetR = (float)(rand() % 25 - 25 / 2);
+    } else {
+	stars[n].offsetX = 0.0;
+	stars[n].offsetY = 0.0;
+	stars[n].offsetR = 0.0;
+    }
+}
+
+void RotatePoint(float *x, float *y, float rotation)
+{
+    float tmpX, tmpY;
+
+    tmpX = *x * Cos(rotation) - *y * Sin(rotation);
+    tmpY = *y * Cos(rotation) + *x * Sin(rotation);
+    *x = tmpX;
+    *y = tmpY;
+}
+
+void MoveStars(void)
+{
+    float offset;
+    GLint n;
+
+    offset = speed * 60.0;
+
+    for (n = 0; n < starCount; n++) {
+	stars[n].x[1] = stars[n].x[0];
+	stars[n].y[1] = stars[n].y[0];
+	stars[n].z[1] = stars[n].z[0];
+	stars[n].x[0] += stars[n].offsetX;
+	stars[n].y[0] += stars[n].offsetY;
+	stars[n].z[0] -= offset;
+        stars[n].rotation += stars[n].offsetR;
+        if (stars[n].rotation > MAXANGLES) {
+            stars[n].rotation = 0.0;
+	}
+    }
+}
+
+GLenum StarPoint(GLint n)
+{
+    float x0, y0, x1, y1, width;
+    GLint i;
+
+    x0 = stars[n].x[0] * windW / stars[n].z[0];
+    y0 = stars[n].y[0] * windH / stars[n].z[0];
+    RotatePoint(&x0, &y0, stars[n].rotation);
+    x0 += windW / 2.0;
+    y0 += windH / 2.0;
+
+    if (x0 >= 0.0 && x0 < windW && y0 >= 0.0 && y0 < windH) {
+	if (stars[n].type == STREAK) {
+	    x1 = stars[n].x[1] * windW / stars[n].z[1];
+	    y1 = stars[n].y[1] * windH / stars[n].z[1];
+	    RotatePoint(&x1, &y1, stars[n].rotation);
+	    x1 += windW / 2.0;
+	    y1 += windH / 2.0;
+
+	    glLineWidth(MAXPOS/100.0/stars[n].z[0]+1.0);
+	    glColor3f(1.0, (MAXWARP-speed)/MAXWARP, (MAXWARP-speed)/MAXWARP);
+	    if (fabs(x0-x1) < 1.0 && fabs(y0-y1) < 1.0) {
+		glBegin(GL_POINTS);
+		    glVertex2f(x0, y0);
+		glEnd();
+	    } else {
+		glBegin(GL_LINES);
+		    glVertex2f(x0, y0);
+		    glVertex2f(x1, y1);
+		glEnd();
+	    }
+	} else {
+	    width = MAXPOS / 10.0 / stars[n].z[0] + 1.0;
+	    glColor3f(1.0, 0.0, 0.0);
+	    glBegin(GL_POLYGON);
+		for (i = 0; i < 8; i++) {
+		    float x = x0 + width * Cos((float)i*MAXANGLES/8.0);
+		    float y = y0 + width * Sin((float)i*MAXANGLES/8.0);
+		    glVertex2f(x, y);
+		};
+	    glEnd();
+	}
+	return GL_TRUE;
+    } else {
+	return GL_FALSE;
+    }
+}
+
+void ShowStars(void)
+{
+    GLint n;
+
+    glClear(GL_COLOR_BUFFER_BIT);
+
+    for (n = 0; n < starCount; n++) {
+	if (stars[n].z[0] > speed || (stars[n].z[0] > 0.0 && speed < MAXWARP)) {
+	    if (StarPoint(n) == GL_FALSE) {
+		NewStar(n, MAXPOS);
+	    }
+	} else {
+	    NewStar(n, MAXPOS);
+	}
+    }
+}
+
+static void Init(void)
+{
+    float angle;
+    GLint n;
+
+    srand((unsigned int)time(NULL));
+
+    for (n = 0; n < MAXSTARS; n++) {
+	NewStar(n, 100);
+    }
+
+    angle = 0.0;
+    for (n = 0; n < MAXANGLES ; n++) {
+	sinTable[n] = sin(angle);
+        angle += PI / (MAXANGLES / 2.0);
+    }
+
+    glClearColor(0.0, 0.0, 0.0, 0.0);
+
+    glDisable(GL_DITHER);
+}
+
+void Reshape(int width, int height)
+{
+
+    windW = (GLint)width;
+    windH = (GLint)height;
+
+    glutUseLayer(GLUT_OVERLAY);
+
+    glViewport(0, 0, windW, windH);
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    gluOrtho2D(-0.5, windW+0.5, -0.5, windH+0.5);
+    glMatrixMode(GL_MODELVIEW);
+    overlayInit = GL_FALSE;
+
+    glutUseLayer(GLUT_NORMAL);
+
+    glViewport(0, 0, windW, windH);
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    gluOrtho2D(-0.5, windW+0.5, -0.5, windH+0.5);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      case 32:
+	flag = (flag == NORMAL) ? WEIRD : NORMAL;
+	break;
+      case 't':
+	nitro = 1;
+	break;
+      default:
+	return;
+    }
+}
+
+void Idle(void)
+{
+
+    if (overlayInit == GL_FALSE) {
+	glutUseLayer(GLUT_OVERLAY);
+	glClear(GL_COLOR_BUFFER_BIT);
+/*	    glColor3f(1.0, 0.0, 0.0);*/
+
+	glIndexf( 2.0 );
+	glBegin(GL_POLYGON);
+	    glVertex2i(windW/4-10, windH/4-10);
+	    glVertex2i(windW/2-10, windH/4-10);
+	    glVertex2i(windW/2-10, windH/2-10);
+	    glVertex2i(windW/4-10, windH/2-10);
+	glEnd();
+
+        glIndexf( 0.0 );
+	glBegin(GL_POLYGON);
+	    glVertex2i(windW/4, windH/4);
+	    glVertex2i(windW/2, windH/4);
+	    glVertex2i(windW/2, windH/2);
+	    glVertex2i(windW/4, windH/2);
+	glEnd();
+
+        glIndexf( 1.0 );
+	glBegin(GL_POLYGON);
+	    glVertex2i(windW/4+10, windH/4+10);
+	    glVertex2i(windW/2+10, windH/4+10);
+	    glVertex2i(windW/2+10, windH/2+10);
+	    glVertex2i(windW/4+10, windH/2+10);
+	glEnd();
+
+	glutUseLayer(GLUT_NORMAL);
+	overlayInit = GL_TRUE;
+    }
+
+    MoveStars();
+    ShowStars();
+    if (nitro > 0) {
+	speed = (float)(nitro / 10) + 1.0;
+	if (speed > MAXWARP) {
+	    speed = MAXWARP;
+	}
+	if (++nitro > MAXWARP*10) {
+	    nitro = -nitro;
+	}
+    } else if (nitro < 0) {
+	nitro++;
+	speed = (float)(-nitro / 10) + 1.0;
+	if (speed > MAXWARP) {
+	    speed = MAXWARP;
+	}
+    }
+
+    glFlush();
+    if (doubleBuffer) {
+	glutSwapBuffers();
+    }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_TRUE;
+
+    for (i = 1; i < argc; i++) {
+	if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (!glutLayerGet(GLUT_OVERLAY_POSSIBLE))
+    {
+	fprintf(stderr, "Overlay not available\n");
+	return(1);
+    }
+
+    if (Args(argc, argv) == GL_FALSE) {
+	return(1);
+    }
+
+    windW = 300;
+    windH = 300;
+    glutInitWindowPosition(0, 0); glutInitWindowSize( 300, 300);
+
+    type = GLUT_RGB;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("Overlay Test") == GL_FALSE) {
+	return(1);
+    }
+
+    glutEstablishOverlay();
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutIdleFunc(Idle);
+    glutMainLoop();
+	return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/samples/point.c b/nx-X11/extras/Mesa_6.4.2/progs/samples/point.c
new file mode 100644
index 000000000..4cb6ad7d5
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/samples/point.c
@@ -0,0 +1,234 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define CI_RED COLOR_RED
+#define CI_ANTI_ALIAS_GREEN 16
+#define CI_ANTI_ALIAS_YELLOW 32
+#define CI_ANTI_ALIAS_RED 48
+
+
+GLenum rgb, doubleBuffer, windType;
+GLint windW, windH;
+
+#include "tkmap.c"
+
+GLenum mode;
+GLint size;
+float point[3] = {
+    1.0, 1.0, 0.0
+};
+
+
+static void Init(void)
+{
+    GLint i;
+
+    glClearColor(0.0, 0.0, 0.0, 0.0);
+
+    glBlendFunc(GL_SRC_ALPHA, GL_ZERO);
+
+    if (!rgb) {
+	for (i = 0; i < 16; i++) {
+	    glutSetColor(i+CI_ANTI_ALIAS_RED, i/15.0, 0.0, 0.0);
+	    glutSetColor(i+CI_ANTI_ALIAS_YELLOW, i/15.0, i/15.0, 0.0);
+	    glutSetColor(i+CI_ANTI_ALIAS_GREEN, 0.0, i/15.0, 0.0);
+	}
+    }
+
+    mode = GL_FALSE;
+    size = 1;
+}
+
+static void Reshape(int width, int height)
+{
+
+    windW = (GLint)width;
+    windH = (GLint)height;
+
+    glViewport(0, 0, width, height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    gluOrtho2D(-windW/2, windW/2, -windH/2, windH/2);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key2(int key, int x, int y)
+{
+
+    switch (key) {
+      case GLUT_KEY_LEFT:
+	point[0] -= 0.25;
+	break;
+      case GLUT_KEY_RIGHT:
+	point[0] += 0.25;
+	break;
+      case GLUT_KEY_UP:
+	point[1] += 0.25;
+	break;
+      case GLUT_KEY_DOWN:
+	point[1] -= 0.25;
+	break;
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      case '1':
+	mode = !mode;
+	break;
+      case 'W':
+	size++;
+	break;
+      case 'w':
+	size--;
+	if (size < 1) {
+	    size = 1;
+	}
+	break;
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+
+    glClear(GL_COLOR_BUFFER_BIT);
+
+    SetColor(COLOR_YELLOW);
+    glBegin(GL_LINE_STRIP);
+	glVertex2f(-windW/2, 0);
+	glVertex2f(windW/2, 0);
+    glEnd();
+    glBegin(GL_LINE_STRIP);
+	glVertex2f(0, -windH/2);
+	glVertex2f(0, windH/2);
+    glEnd();
+
+    if (mode) {
+	glEnable(GL_BLEND);
+	glEnable(GL_POINT_SMOOTH);
+    } else {
+	glDisable(GL_BLEND);
+	glDisable(GL_POINT_SMOOTH);
+    }
+
+    glPointSize(size);
+    if (mode) {
+	(rgb) ? glColor3f(1.0, 0.0, 0.0) : glIndexf(CI_ANTI_ALIAS_RED);
+    } else {
+	(rgb) ? glColor3f(1.0, 0.0, 0.0) : glIndexf(CI_RED);
+    }
+    glBegin(GL_POINTS);
+	glVertex3fv(point);
+    glEnd();
+
+    glDisable(GL_POINT_SMOOTH);
+    glDisable(GL_BLEND);
+
+    glPointSize(1);
+    SetColor(COLOR_GREEN);
+    glBegin(GL_POINTS);
+	glVertex3fv(point);
+    glEnd();
+
+    glFlush();
+
+    if (doubleBuffer) {
+	glutSwapBuffers();
+    }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    rgb = GL_TRUE;
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+	if (strcmp(argv[i], "-ci") == 0) {
+	    rgb = GL_FALSE;
+	} else if (strcmp(argv[i], "-rgb") == 0) {
+	    rgb = GL_TRUE;
+	} else if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    printf("%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    windW = 300;
+    windH = 300;
+    glutInitWindowPosition(0, 0); glutInitWindowSize( windW, windH);
+
+    windType = (rgb) ? GLUT_RGB : GLUT_INDEX;
+    windType |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(windType);
+
+    if (glutCreateWindow("Point Test") == GL_FALSE) {
+	exit(1);
+    }
+
+    InitMap();
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutSpecialFunc(Key2);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/samples/prim.c b/nx-X11/extras/Mesa_6.4.2/progs/samples/prim.c
new file mode 100644
index 000000000..388e0153b
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/samples/prim.c
@@ -0,0 +1,546 @@
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define PIXEL_CENTER(x) ((long)(x) + 0.5)
+
+#define GAP 10
+#define ROWS 3
+#define COLS 4
+
+#define OPENGL_WIDTH 48
+#define OPENGL_HEIGHT 13
+
+
+GLenum rgb, doubleBuffer, windType;
+GLint windW, windH;
+
+GLenum mode1, mode2;
+GLint boxW, boxH;
+GLubyte OpenGL_bits[] = {
+   0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 
+   0x7f, 0xfb, 0xff, 0xff, 0xff, 0x01,
+   0x7f, 0xfb, 0xff, 0xff, 0xff, 0x01, 
+   0x00, 0x03, 0x00, 0x00, 0x00, 0x00,
+   0x3e, 0x8f, 0xb7, 0xf9, 0xfc, 0x01, 
+   0x63, 0xdb, 0xb0, 0x8d, 0x0d, 0x00,
+   0x63, 0xdb, 0xb7, 0x8d, 0x0d, 0x00, 
+   0x63, 0xdb, 0xb6, 0x8d, 0x0d, 0x00,
+   0x63, 0x8f, 0xf3, 0xcc, 0x0d, 0x00, 
+   0x63, 0x00, 0x00, 0x0c, 0x4c, 0x0a,
+   0x63, 0x00, 0x00, 0x0c, 0x4c, 0x0e, 
+   0x63, 0x00, 0x00, 0x8c, 0xed, 0x0e,
+   0x3e, 0x00, 0x00, 0xf8, 0x0c, 0x00, 
+};
+
+
+#include "tkmap.c"
+
+static void Init(void)
+{
+
+    mode1 = GL_TRUE;
+    mode2 = GL_TRUE;
+}
+
+static void Reshape(int width, int height)
+{
+
+    windW = (GLint)width;
+    windH = (GLint)height;
+}
+
+static void RotateColorMask(void)
+{
+    static GLint rotation = 0;
+    
+    rotation = (rotation + 1) & 0x3;
+    switch (rotation) {
+      case 0:
+	glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
+	glIndexMask( 0xff );
+	break;
+      case 1:
+	glColorMask(GL_FALSE, GL_TRUE, GL_TRUE, GL_TRUE);
+	glIndexMask(0xFE);
+	break;
+      case 2:
+	glColorMask(GL_TRUE, GL_FALSE, GL_TRUE, GL_TRUE);
+	glIndexMask(0xFD);
+	break;
+      case 3:
+	glColorMask(GL_TRUE, GL_TRUE, GL_FALSE, GL_TRUE);
+	glIndexMask(0xFB);
+	break;
+    }
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      case '1':
+	mode1 = !mode1;
+	break;
+      case '2':
+	mode2 = !mode2;
+	break;
+      case '3':
+	RotateColorMask();
+	break;
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Viewport(GLint row, GLint column)
+{
+    GLint x, y;
+
+    boxW = (windW - (COLS + 1) * GAP) / COLS;
+    boxH = (windH - (ROWS + 1) * GAP) / ROWS;
+
+    x = GAP + column * (boxW + GAP);
+    y = GAP + row * (boxH + GAP);
+
+    glViewport(x, y, boxW, boxH);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glOrtho(-boxW/2, boxW/2, -boxH/2, boxH/2, 0.0, 1.0);
+    glMatrixMode(GL_MODELVIEW);
+
+    glEnable(GL_SCISSOR_TEST);
+    glScissor(x, y, boxW, boxH);
+}
+
+static void Point(void)
+{
+    GLint i;
+
+    glBegin(GL_POINTS);
+	SetColor(COLOR_WHITE);
+	glVertex2i(0, 0);
+	for (i = 1; i < 8; i++) {
+	    GLint j = i * 2;
+	    SetColor(COLOR_BLACK+i);
+	    glVertex2i(-j, -j);
+	    glVertex2i(-j, 0);
+	    glVertex2i(-j, j);
+	    glVertex2i(0, j);
+	    glVertex2i(j, j);
+	    glVertex2i(j, 0);
+	    glVertex2i(j, -j);
+	    glVertex2i(0, -j);
+	}
+    glEnd();
+}
+
+static void Lines(void)
+{
+    GLint i;
+
+    glPushMatrix();
+
+    glTranslatef(-12, 0, 0);
+    for (i = 1; i < 8; i++) {
+	SetColor(COLOR_BLACK+i);
+	glBegin(GL_LINES);
+	    glVertex2i(-boxW/4, -boxH/4);
+	    glVertex2i(boxW/4, boxH/4);
+	glEnd();
+	glTranslatef(4, 0, 0);
+    }
+
+    glPopMatrix();
+
+    glBegin(GL_LINES);
+	glVertex2i(0, 0);
+    glEnd();
+}
+
+static void LineStrip(void)
+{
+
+    glBegin(GL_LINE_STRIP);
+	SetColor(COLOR_RED);
+	glVertex2f(PIXEL_CENTER(-boxW/4), PIXEL_CENTER(-boxH/4));
+	SetColor(COLOR_GREEN);
+	glVertex2f(PIXEL_CENTER(-boxW/4), PIXEL_CENTER(boxH/4));
+	SetColor(COLOR_BLUE);
+	glVertex2f(PIXEL_CENTER(boxW/4), PIXEL_CENTER(boxH/4));
+	SetColor(COLOR_WHITE);
+	glVertex2f(PIXEL_CENTER(boxW/4), PIXEL_CENTER(-boxH/4));
+    glEnd();
+
+    glBegin(GL_LINE_STRIP);
+	glVertex2i(0, 0);
+    glEnd();
+}
+
+static void LineLoop(void)
+{
+
+    glBegin(GL_LINE_LOOP);
+	SetColor(COLOR_RED);
+	glVertex2f(PIXEL_CENTER(-boxW/4), PIXEL_CENTER(-boxH/4));
+	SetColor(COLOR_GREEN);
+	glVertex2f(PIXEL_CENTER(-boxW/4), PIXEL_CENTER(boxH/4));
+	SetColor(COLOR_BLUE);
+	glVertex2f(PIXEL_CENTER(boxW/4), PIXEL_CENTER(boxH/4));
+	SetColor(COLOR_WHITE);
+	glVertex2f(PIXEL_CENTER(boxW/4), PIXEL_CENTER(-boxH/4));
+    glEnd();
+
+    glEnable(GL_LOGIC_OP);
+    glLogicOp(GL_XOR);
+
+    glEnable(GL_BLEND);
+    glBlendFunc(GL_ONE, GL_ONE);
+
+    SetColor(COLOR_MAGENTA);
+    glBegin(GL_LINE_LOOP);
+	glVertex2f(PIXEL_CENTER(-boxW/8), PIXEL_CENTER(-boxH/8));
+	glVertex2f(PIXEL_CENTER(-boxW/8), PIXEL_CENTER(boxH/8));
+    glEnd();
+    glBegin(GL_LINE_LOOP);
+	glVertex2f(PIXEL_CENTER(-boxW/8), PIXEL_CENTER(boxH/8+5));
+	glVertex2f(PIXEL_CENTER(boxW/8), PIXEL_CENTER(boxH/8+5));
+    glEnd();
+    glDisable(GL_LOGIC_OP);
+    glDisable(GL_BLEND);
+
+    SetColor(COLOR_GREEN);
+    glBegin(GL_POINTS);
+	glVertex2i(0, 0);
+    glEnd();
+
+    glBegin(GL_LINE_LOOP);
+	glVertex2i(0, 0);
+    glEnd();
+}
+
+static void Bitmap(void)
+{
+
+    glBegin(GL_LINES);
+	SetColor(COLOR_GREEN);
+	glVertex2i(-boxW/2, 0);
+	glVertex2i(boxW/2, 0);
+	glVertex2i(0, -boxH/2);
+	glVertex2i(0, boxH/2);
+	SetColor(COLOR_RED);
+	glVertex2i(0, -3);
+	glVertex2i(0, -3+OPENGL_HEIGHT);
+	SetColor(COLOR_BLUE);
+	glVertex2i(0, -3);
+	glVertex2i(OPENGL_WIDTH, -3);
+    glEnd();
+
+    SetColor(COLOR_GREEN);
+
+    glPixelStorei(GL_UNPACK_LSB_FIRST, GL_TRUE);
+    glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+
+    glRasterPos2i(0, 0);
+    glBitmap(OPENGL_WIDTH, OPENGL_HEIGHT, 0, 3, 0.0, 0.0, OpenGL_bits);
+}
+
+static void Triangles(void)
+{
+
+    glBegin(GL_TRIANGLES);
+	SetColor(COLOR_GREEN);
+	glVertex2i(-boxW/4, -boxH/4);
+	SetColor(COLOR_RED);
+	glVertex2i(-boxW/8, -boxH/16);
+	SetColor(COLOR_BLUE);
+	glVertex2i(boxW/8, -boxH/16);
+
+	SetColor(COLOR_GREEN);
+	glVertex2i(-boxW/4, boxH/4);
+	SetColor(COLOR_RED);
+	glVertex2i(-boxW/8, boxH/16);
+	SetColor(COLOR_BLUE);
+	glVertex2i(boxW/8, boxH/16);
+    glEnd();
+
+    glBegin(GL_TRIANGLES);
+	glVertex2i(0, 0);
+	glVertex2i(-100, 100);
+    glEnd();
+}
+
+static void TriangleStrip(void)
+{
+
+    glBegin(GL_TRIANGLE_STRIP);
+	SetColor(COLOR_GREEN);
+	glVertex2i(-boxW/4, -boxH/4);
+	SetColor(COLOR_RED);
+	glVertex2i(-boxW/4, boxH/4);
+	SetColor(COLOR_BLUE);
+	glVertex2i(0, -boxH/4);
+	SetColor(COLOR_WHITE);
+	glVertex2i(0, boxH/4);
+	SetColor(COLOR_CYAN);
+	glVertex2i(boxW/4, -boxH/4);
+	SetColor(COLOR_YELLOW);
+	glVertex2i(boxW/4, boxH/4);
+    glEnd();
+
+    glBegin(GL_TRIANGLE_STRIP);
+	glVertex2i(0, 0);
+	glVertex2i(-100, 100);
+    glEnd();
+}
+
+static void TriangleFan(void)
+{
+    GLint vx[8][2];
+    GLint x0, y0, x1, y1, x2, y2, x3, y3;
+    GLint i;
+
+    y0 = -boxH/4;
+    y1 = y0 + boxH/2/3;
+    y2 = y1 + boxH/2/3;
+    y3 = boxH/4;
+    x0 = -boxW/4;
+    x1 = x0 + boxW/2/3;
+    x2 = x1 + boxW/2/3;
+    x3 = boxW/4;
+
+    vx[0][0] = x0; vx[0][1] = y1;
+    vx[1][0] = x0; vx[1][1] = y2;
+    vx[2][0] = x1; vx[2][1] = y3;
+    vx[3][0] = x2; vx[3][1] = y3;
+    vx[4][0] = x3; vx[4][1] = y2;
+    vx[5][0] = x3; vx[5][1] = y1;
+    vx[6][0] = x2; vx[6][1] = y0;
+    vx[7][0] = x1; vx[7][1] = y0;
+
+    glBegin(GL_TRIANGLE_FAN);
+	SetColor(COLOR_WHITE);
+	glVertex2i(0, 0);
+	for (i = 0; i < 8; i++) {
+	    SetColor(COLOR_WHITE-i);
+	    glVertex2iv(vx[i]);
+	}
+    glEnd();
+
+    glBegin(GL_TRIANGLE_FAN);
+	glVertex2i(0, 0);
+	glVertex2i(-100, 100);
+    glEnd();
+}
+
+static void Rect(void)
+{
+
+    SetColor(COLOR_GREEN);
+    glRecti(-boxW/4, -boxH/4, boxW/4, boxH/4);
+}
+
+static void PolygonFunc(void)
+{
+    GLint vx[8][2];
+    GLint x0, y0, x1, y1, x2, y2, x3, y3;
+    GLint i;
+
+    y0 = -boxH/4;
+    y1 = y0 + boxH/2/3;
+    y2 = y1 + boxH/2/3;
+    y3 = boxH/4;
+    x0 = -boxW/4;
+    x1 = x0 + boxW/2/3;
+    x2 = x1 + boxW/2/3;
+    x3 = boxW/4;
+
+    vx[0][0] = x0; vx[0][1] = y1;
+    vx[1][0] = x0; vx[1][1] = y2;
+    vx[2][0] = x1; vx[2][1] = y3;
+    vx[3][0] = x2; vx[3][1] = y3;
+    vx[4][0] = x3; vx[4][1] = y2;
+    vx[5][0] = x3; vx[5][1] = y1;
+    vx[6][0] = x2; vx[6][1] = y0;
+    vx[7][0] = x1; vx[7][1] = y0;
+
+    glBegin(GL_POLYGON);
+	for (i = 0; i < 8; i++) {
+	    SetColor(COLOR_WHITE-i);
+	    glVertex2iv(vx[i]);
+	}
+    glEnd();
+
+    glBegin(GL_POLYGON);
+	glVertex2i(0, 0);
+	glVertex2i(100, 100);
+    glEnd();
+}
+
+static void Quads(void)
+{
+
+    glBegin(GL_QUADS);
+	SetColor(COLOR_GREEN);
+	glVertex2i(-boxW/4, -boxH/4);
+	SetColor(COLOR_RED);
+	glVertex2i(-boxW/8, -boxH/16);
+	SetColor(COLOR_BLUE);
+	glVertex2i(boxW/8, -boxH/16);
+	SetColor(COLOR_WHITE);
+	glVertex2i(boxW/4, -boxH/4);
+
+	SetColor(COLOR_GREEN);
+	glVertex2i(-boxW/4, boxH/4);
+	SetColor(COLOR_RED);
+	glVertex2i(-boxW/8, boxH/16);
+	SetColor(COLOR_BLUE);
+	glVertex2i(boxW/8, boxH/16);
+	SetColor(COLOR_WHITE);
+	glVertex2i(boxW/4, boxH/4);
+    glEnd();
+
+    glBegin(GL_QUADS);
+	glVertex2i(0, 0);
+	glVertex2i(100, 100);
+	glVertex2i(-100, 100);
+    glEnd();
+}
+
+static void QuadStrip(void)
+{
+
+    glBegin(GL_QUAD_STRIP);
+	SetColor(COLOR_GREEN);
+	glVertex2i(-boxW/4, -boxH/4);
+	SetColor(COLOR_RED);
+	glVertex2i(-boxW/4, boxH/4);
+	SetColor(COLOR_BLUE);
+	glVertex2i(0, -boxH/4);
+	SetColor(COLOR_WHITE);
+	glVertex2i(0, boxH/4);
+	SetColor(COLOR_CYAN);
+	glVertex2i(boxW/4, -boxH/4);
+	SetColor(COLOR_YELLOW);
+	glVertex2i(boxW/4, boxH/4);
+    glEnd();
+
+    glBegin(GL_QUAD_STRIP);
+	glVertex2i(0, 0);
+	glVertex2i(100, 100);
+	glVertex2i(-100, 100);
+    glEnd();
+}
+
+static void Draw(void)
+{
+
+    glViewport(0, 0, windW, windH);
+    glDisable(GL_SCISSOR_TEST);
+
+    glPushAttrib(GL_COLOR_BUFFER_BIT);
+
+    glColorMask(1, 1, 1, 1);
+    glIndexMask(~0);
+
+    glClearColor(0.0, 0.0, 0.0, 0.0);
+    glClear(GL_COLOR_BUFFER_BIT);
+
+    glPopAttrib();
+
+    if (mode1) {
+	glShadeModel(GL_SMOOTH);
+    } else {
+	glShadeModel(GL_FLAT);
+    }
+
+    if (mode2) {
+	glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
+    } else {
+	glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
+    }
+
+    Viewport(0, 0); Point();
+    Viewport(0, 1); Lines();
+    Viewport(0, 2); LineStrip();
+    Viewport(0, 3); LineLoop();
+
+    Viewport(1, 0); Bitmap();
+
+    Viewport(1, 1); TriangleFan();
+    Viewport(1, 2); Triangles();
+    Viewport(1, 3); TriangleStrip();
+
+    Viewport(2, 0); Rect();
+    Viewport(2, 1); PolygonFunc();
+    Viewport(2, 2); Quads();
+    Viewport(2, 3); QuadStrip();
+
+    glFlush();
+
+    if (doubleBuffer) {
+	glutSwapBuffers();
+    }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    rgb = GL_TRUE;
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+	if (strcmp(argv[i], "-ci") == 0) {
+	    rgb = GL_FALSE;
+	} else if (strcmp(argv[i], "-rgb") == 0) {
+	    rgb = GL_TRUE;
+	} else if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    printf("%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    windW = 600;
+    windH = 300;
+    glutInitWindowPosition(0, 0); glutInitWindowSize( windW, windH);
+
+    windType = (rgb) ? GLUT_RGB : GLUT_INDEX;
+    windType |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(windType);
+
+    if (glutCreateWindow("Primitive Test") == GL_FALSE) {
+	exit(1);
+    }
+
+    InitMap();
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/samples/quad.c b/nx-X11/extras/Mesa_6.4.2/progs/samples/quad.c
new file mode 100644
index 000000000..193850abc
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/samples/quad.c
@@ -0,0 +1,457 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#ifndef CALLBACK
+#define CALLBACK
+#endif
+
+
+#define PI 3.141592654
+#define	BLACK 0
+#define	GRAY 128
+#define	WHITE 255
+#define RD 0xA4,0x00,0x00,0xFF
+#define WT 0xFF,0xFF,0xFF,0xFF
+#define	brickImageWidth 16
+#define	brickImageHeight 16
+
+
+#include "loadppm.c"
+
+GLenum rgb, doubleBuffer;
+
+#include "tkmap.c"
+
+float black[3] = {
+    0.0, 0.0, 0.0
+};
+float blue[3] =  {
+    0.0, 0.0, 1.0
+};
+float gray[3] =  {
+    0.5, 0.5, 0.5
+};
+float white[3] = {
+    1.0, 1.0, 1.0
+};
+
+GLenum doDither = GL_TRUE;
+GLenum shade = GL_TRUE;
+GLenum texture = GL_TRUE;
+
+float xRotation = 30.0, yRotation = 30.0, zRotation = 0.0;
+GLint radius1, radius2;
+GLdouble angle1, angle2;
+GLint slices, stacks;
+GLint height;
+GLint orientation = GLU_OUTSIDE;
+GLint whichQuadric=0;
+GLUquadricObj *quadObj;
+
+GLubyte brickImage[4*brickImageWidth*brickImageHeight] = {
+    RD, RD, RD, RD, RD, RD, RD, RD, RD, WT, RD, RD, RD, RD, RD, RD,
+    RD, RD, RD, RD, RD, RD, RD, RD, RD, WT, RD, RD, RD, RD, RD, RD,
+    RD, RD, RD, RD, RD, RD, RD, RD, RD, WT, RD, RD, RD, RD, RD, RD,
+    RD, RD, RD, RD, RD, RD, RD, RD, RD, WT, RD, RD, RD, RD, RD, RD,
+    WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT,
+    RD, RD, RD, WT, RD, RD, RD, RD, RD, RD, RD, RD, RD, WT, RD, RD,
+    RD, RD, RD, WT, RD, RD, RD, RD, RD, RD, RD, RD, RD, WT, RD, RD,
+    RD, RD, RD, WT, RD, RD, RD, RD, RD, RD, RD, RD, RD, WT, RD, RD,
+    RD, RD, RD, WT, RD, RD, RD, RD, RD, RD, RD, RD, RD, WT, RD, RD,
+    WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT,
+    RD, RD, RD, RD, RD, RD, RD, WT, RD, RD, RD, RD, RD, RD, RD, RD,
+    RD, RD, RD, RD, RD, RD, RD, WT, RD, RD, RD, RD, RD, RD, RD, RD,
+    RD, RD, RD, RD, RD, RD, RD, WT, RD, RD, RD, RD, RD, RD, RD, RD,
+    RD, RD, RD, RD, RD, RD, RD, WT, RD, RD, RD, RD, RD, RD, RD, RD,
+    WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT,
+    RD, RD, RD, RD, WT, RD, RD, RD, RD, RD, RD, RD, RD, RD, WT, RD
+};
+char *texFileName = 0;
+
+
+static void CALLBACK ErrorHandler(GLenum which)
+{
+
+    fprintf(stderr, "Quad Error: %s\n", (char *) gluErrorString(which));
+}
+
+typedef void (GLAPIENTRY *callback_t)();
+
+static void Init(void)
+{
+    static GLint colorIndexes[3] = {0, 200, 255};
+    static float ambient[] = {0.1, 0.1, 0.1, 1.0};
+    static float diffuse[] = {0.5, 1.0, 1.0, 1.0};
+    static float position[] = {90.0, 90.0, 150.0, 0.0};
+    static float front_mat_shininess[] = {30.0};
+    static float front_mat_specular[] = {0.2, 0.2, 0.2, 1.0};
+    static float front_mat_diffuse[] = {0.5, 0.28, 0.38, 1.0};
+    static float back_mat_shininess[] = {50.0};
+    static float back_mat_specular[] = {0.5, 0.5, 0.2, 1.0};
+    static float back_mat_diffuse[] = {1.0, 1.0, 0.2, 1.0};
+    static float lmodel_ambient[] = {1.0, 1.0, 1.0, 1.0};
+    static float lmodel_twoside[] = {GL_TRUE};
+    static float decal[] = {GL_DECAL};
+    static float repeat[] = {GL_REPEAT};
+    static float nearest[] = {GL_NEAREST};
+    static PPMImage *image;
+
+    if (!rgb) {
+	SetGreyRamp();
+    }
+    glClearColor(0.0, 0.0, 0.0, 0.0);
+    
+    glEnable(GL_DEPTH_TEST);
+
+    glLightfv(GL_LIGHT0, GL_AMBIENT, ambient);
+    glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse);
+    glLightfv(GL_LIGHT0, GL_POSITION, position);
+    glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
+    glLightModelfv(GL_LIGHT_MODEL_TWO_SIDE, lmodel_twoside);
+    glEnable(GL_LIGHTING);
+    glEnable(GL_LIGHT0);
+
+    glMaterialfv(GL_FRONT, GL_SHININESS, front_mat_shininess);
+    glMaterialfv(GL_FRONT, GL_SPECULAR, front_mat_specular);
+    glMaterialfv(GL_FRONT, GL_DIFFUSE, front_mat_diffuse);
+    glMaterialfv(GL_BACK, GL_SHININESS, back_mat_shininess);
+    glMaterialfv(GL_BACK, GL_SPECULAR, back_mat_specular);
+    glMaterialfv(GL_BACK, GL_DIFFUSE, back_mat_diffuse);
+    if (!rgb) {
+	glMaterialiv( GL_FRONT_AND_BACK, GL_COLOR_INDEXES, colorIndexes);
+    }
+
+    glTexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, decal);
+    glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, repeat);
+    glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, repeat);
+    glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, nearest);
+    glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, nearest);
+    if (texFileName) {
+	image = LoadPPM(texFileName);
+	glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+	gluBuild2DMipmaps(GL_TEXTURE_2D, 3, image->sizeX, image->sizeY,
+			  GL_RGB, GL_UNSIGNED_BYTE, image->data);
+    } else {
+	glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+	glTexImage2D(GL_TEXTURE_2D, 0, 4, brickImageWidth, brickImageHeight,
+		     0, GL_RGBA, GL_UNSIGNED_BYTE, (GLvoid *)brickImage);
+    }
+
+    quadObj = gluNewQuadric();
+    gluQuadricCallback(quadObj, GLU_ERROR, (callback_t) ErrorHandler);
+
+    radius1 = 10;
+    radius2 = 5;
+    angle1 = 90;
+    angle2 = 180;
+    slices = 16;
+    stacks = 10;
+    height = 20;
+}
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glFrustum(-1, 1, -1, 1, 1, 10);
+    gluLookAt(2, 2, 2, 0, 0, 0, 0, 0, 1);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key2(int key, int x, int y)
+{
+
+    switch (key) {
+      case GLUT_KEY_LEFT:
+	yRotation += 5;
+	break;
+      case GLUT_KEY_RIGHT:
+	yRotation -= 5;
+	break;
+      case GLUT_KEY_UP:
+	xRotation += 5;
+	break;
+      case GLUT_KEY_DOWN:
+	xRotation -= 5;
+	break;
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+
+      case 'X':
+	zRotation += 5;
+	break;
+      case 'x':
+	zRotation -= 5;
+	break;
+
+      case '1':
+	gluQuadricDrawStyle(quadObj, GLU_FILL);
+	break;
+      case '2':
+	gluQuadricDrawStyle(quadObj, GLU_POINT);
+	break;
+      case '3':
+	gluQuadricDrawStyle(quadObj, GLU_LINE);
+	break;
+      case '4':
+	gluQuadricDrawStyle(quadObj, GLU_SILHOUETTE);
+	break;
+
+      case '0':
+	shade = !shade;
+	if (shade) {
+	    glShadeModel(GL_SMOOTH);
+	    gluQuadricNormals(quadObj, GLU_SMOOTH);
+	} else {
+	    glShadeModel(GL_FLAT);
+	    gluQuadricNormals(quadObj, GLU_FLAT);
+	}
+	break;
+
+      case 'A':
+	stacks++;
+	break;
+      case 'a':
+	stacks--;
+	break;
+    
+      case 'S':
+	slices++;
+	break;
+      case 's':
+	slices--;
+	break;
+
+      case 'd':
+	switch(orientation) {
+	  case GLU_OUTSIDE:
+	    orientation = GLU_INSIDE;
+	    break;
+	  case GLU_INSIDE:
+	  default:
+	    orientation = GLU_OUTSIDE;
+	    break;
+	}
+	gluQuadricOrientation(quadObj, orientation);
+	break;
+
+      case 'f':
+	whichQuadric = (whichQuadric + 1) % 4;
+	break;
+
+      case 'G':
+	radius1 += 1;
+	break;
+      case 'g':
+	radius1 -= 1;
+	break;
+
+      case 'J':
+	radius2 += 1;
+	break;
+      case 'j':
+	radius2 -= 1;
+	break;
+
+      case 'H':
+	height += 2;
+	break;
+      case 'h':
+	height -= 2;
+	break;
+
+      case 'K':
+	angle1 += 5;
+	break;
+      case 'k':
+	angle1 -= 5;
+	break;
+
+      case 'L':
+	angle2 += 5;
+	break;
+      case 'l':
+	angle2 -= 5;
+	break;
+
+      case 'z':
+        texture = !texture;
+	if (texture) {
+	    gluQuadricTexture(quadObj, GL_TRUE);
+	    glEnable(GL_TEXTURE_2D);
+	} else {
+	    gluQuadricTexture(quadObj, GL_FALSE);
+	    glDisable(GL_TEXTURE_2D);
+	}
+	break;
+
+      case 'q':
+	glDisable(GL_CULL_FACE);
+	break;
+      case 'w':
+	glEnable(GL_CULL_FACE);
+	glCullFace(GL_FRONT);
+	break;
+      case 'e':
+	glEnable(GL_CULL_FACE);
+	glCullFace(GL_BACK);
+	break;
+
+      case 'r':
+	glFrontFace(GL_CW);
+	break;
+      case 't': 
+	glFrontFace(GL_CCW);
+	break;
+
+      case 'y':
+	doDither = !doDither;
+	(doDither) ? glEnable(GL_DITHER) : glDisable(GL_DITHER);
+	break;
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+
+    glLoadIdentity();
+    glRotatef(xRotation, 1, 0, 0);
+    glRotatef(yRotation, 0, 1, 0);
+    glRotatef(zRotation, 0, 0, 1);
+
+    glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
+
+    glColor3f(1.0, 1.0, 1.0);
+    switch (whichQuadric) {
+      case 0:
+	glTranslatef(0, 0, -height/20.0);
+	gluCylinder(quadObj, radius1/10.0, radius2/10.0, height/10.0, 
+		    slices, stacks);
+	break;
+      case 1:
+	gluSphere(quadObj, radius1/10.0, slices, stacks);
+	break;
+      case 2:
+	gluPartialDisk(quadObj, radius2/10.0, radius1/10.0, slices, 
+		       stacks, angle1, angle2);
+	break;
+      case 3:
+	gluDisk(quadObj, radius2/10.0, radius1/10.0, slices, stacks);
+	break;
+    }
+
+    glFlush();
+
+    if (doubleBuffer) {
+	glutSwapBuffers();
+    }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    rgb = GL_TRUE;
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+	if (strcmp(argv[i], "-ci") == 0) {
+	    rgb = GL_FALSE;
+	} else if (strcmp(argv[i], "-rgb") == 0) {
+	    rgb = GL_TRUE;
+	} else if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else if (strcmp(argv[i], "-f") == 0) {
+	    if (i+1 >= argc || argv[i+1][0] == '-') {
+		printf("-f (No file name).\n");
+		return GL_FALSE;
+	    } else {
+		texFileName = argv[++i];
+	    }
+	} else {
+	    printf("%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(0, 0); glutInitWindowSize( 300, 300);
+
+    type = GLUT_DEPTH;
+    type |= (rgb) ? GLUT_RGB : GLUT_INDEX;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("Quad Test") == GL_FALSE) {
+	exit(1);
+    }
+
+    InitMap();
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutSpecialFunc(Key2);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/samples/rgbtoppm.c b/nx-X11/extras/Mesa_6.4.2/progs/samples/rgbtoppm.c
new file mode 100644
index 000000000..116d9a8cf
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/samples/rgbtoppm.c
@@ -0,0 +1,285 @@
+
+/* texture.c - by David Blythe, SGI */
+
+/* texload is a simplistic routine for reading an SGI .rgb image file. */
+
+#include <stdio.h>
+#include <stdlib.h> 
+#include <string.h>
+
+#include <GL/glut.h>
+
+typedef struct _ImageRec {
+    unsigned short imagic;
+    unsigned short type;
+    unsigned short dim;
+    unsigned short xsize, ysize, zsize;
+    unsigned int min, max;
+    unsigned int wasteBytes;
+    char name[80];
+    unsigned long colorMap;
+    FILE *file;
+    unsigned char *tmp;
+    unsigned long rleEnd;
+    unsigned int *rowStart;
+    int *rowSize;
+} ImageRec;
+
+void
+rgbtorgb(unsigned char *r,unsigned char *g,unsigned char *b,unsigned char *l,int n) {
+    while(n--) {
+        l[0] = r[0];
+        l[1] = g[0];
+        l[2] = b[0];
+        l += 3; r++; g++; b++;
+    }
+}
+
+static void
+ConvertShort(unsigned short *array, unsigned int length) {
+    unsigned short b1, b2;
+    unsigned char *ptr;
+
+    ptr = (unsigned char *)array;
+    while (length--) {
+        b1 = *ptr++;
+        b2 = *ptr++;
+        *array++ = (b1 << 8) | (b2);
+    }
+}
+
+static void
+ConvertUint(unsigned *array, unsigned int length) {
+    unsigned int b1, b2, b3, b4;
+    unsigned char *ptr;
+
+    ptr = (unsigned char *)array;
+    while (length--) {
+        b1 = *ptr++;
+        b2 = *ptr++;
+        b3 = *ptr++;
+        b4 = *ptr++;
+        *array++ = (b1 << 24) | (b2 << 16) | (b3 << 8) | (b4);
+    }
+}
+
+static ImageRec *ImageOpen(char *fileName)
+{
+    union {
+        int testWord;
+        char testByte[4];
+    } endianTest;
+    ImageRec *image;
+    int swapFlag;
+    int x;
+
+    endianTest.testWord = 1;
+    if (endianTest.testByte[0] == 1) {
+        swapFlag = 1;
+    } else {
+        swapFlag = 0;
+    }
+
+    image = (ImageRec *)malloc(sizeof(ImageRec));
+    if (image == NULL) {
+        fprintf(stderr, "Out of memory!\n");
+        exit(1);
+    }
+    if ((image->file = fopen(fileName, "rb")) == NULL) {
+	return NULL;
+    }
+
+    fread(image, 1, 12, image->file);
+
+    if (swapFlag) {
+        ConvertShort(&image->imagic, 6);
+    }
+
+    image->tmp = (unsigned char *)malloc(image->xsize*256);
+    if (image->tmp == NULL) {
+        fprintf(stderr, "\nOut of memory!\n");
+        exit(1);
+    }
+
+    if ((image->type & 0xFF00) == 0x0100) {
+        x = image->ysize * image->zsize * (int) sizeof(unsigned);
+        image->rowStart = (unsigned *)malloc(x);
+        image->rowSize = (int *)malloc(x);
+        if (image->rowStart == NULL || image->rowSize == NULL) {
+            fprintf(stderr, "\nOut of memory!\n");
+            exit(1);
+        }
+        image->rleEnd = 512 + (2 * x);
+        fseek(image->file, 512, SEEK_SET);
+        fread(image->rowStart, 1, x, image->file);
+        fread(image->rowSize, 1, x, image->file);
+        if (swapFlag) {
+            ConvertUint(image->rowStart, x/(int) sizeof(unsigned));
+            ConvertUint((unsigned *)image->rowSize, x/(int) sizeof(int));
+        }
+    }
+    return image;
+}
+
+static void
+ImageClose(ImageRec *image) {
+    fclose(image->file);
+    free(image->tmp);
+    free(image);
+}
+
+static void
+ImageGetRow(ImageRec *image, unsigned char *buf, int y, int z) {
+    unsigned char *iPtr, *oPtr, pixel;
+    int count;
+
+    if ((image->type & 0xFF00) == 0x0100) {
+        fseek(image->file, (long) image->rowStart[y+z*image->ysize], SEEK_SET);
+        fread(image->tmp, 1, (unsigned int)image->rowSize[y+z*image->ysize],
+              image->file);
+
+        iPtr = image->tmp;
+        oPtr = buf;
+        for (;;) {
+            pixel = *iPtr++;
+            count = (int)(pixel & 0x7F);
+            if (!count) {
+                return;
+            }
+            if (pixel & 0x80) {
+                while (count--) {
+                    *oPtr++ = *iPtr++;
+                }
+            } else {
+                pixel = *iPtr++;
+                while (count--) {
+                    *oPtr++ = pixel;
+                }
+            }
+        }
+    } else {
+        fseek(image->file, 512+(y*image->xsize)+(z*image->xsize*image->ysize),
+              SEEK_SET);
+        fread(buf, 1, image->xsize, image->file);
+    }
+}
+
+GLubyte *
+read_alpha_texture(char *name, int *width, int *height)
+{
+    unsigned char *base, *lptr;
+    ImageRec *image;
+    int y;
+
+    image = ImageOpen(name);
+    if(!image) {
+        return NULL;
+    }
+
+    (*width)=image->xsize;
+    (*height)=image->ysize;
+    if (image->zsize != 1) {
+      ImageClose(image);
+      return NULL;
+    }
+
+    base = (unsigned char *)malloc(image->xsize*image->ysize*sizeof(unsigned char));
+    lptr = base;
+    for(y=0; y<image->ysize; y++) {
+        ImageGetRow(image,lptr,y,0);
+        lptr += image->xsize;
+    }
+    ImageClose(image);
+
+    return (unsigned char *) base;
+}
+
+GLubyte *
+read_rgb_texture(char *name, int *width, int *height)
+{
+    unsigned char *base, *ptr;
+    unsigned char *rbuf, *gbuf, *bbuf, *abuf;
+    ImageRec *image;
+    int y;
+
+    image = ImageOpen(name);
+    
+    if(!image)
+        return NULL;
+    (*width)=image->xsize;
+    (*height)=image->ysize;
+    if (image->zsize != 3 && image->zsize != 4) {
+      ImageClose(image);
+      return NULL;
+    }
+
+    base = (unsigned char*)malloc(image->xsize*image->ysize*sizeof(unsigned int)*3);
+    rbuf = (unsigned char *)malloc(image->xsize*sizeof(unsigned char));
+    gbuf = (unsigned char *)malloc(image->xsize*sizeof(unsigned char));
+    bbuf = (unsigned char *)malloc(image->xsize*sizeof(unsigned char));
+    abuf = (unsigned char *)malloc(image->xsize*sizeof(unsigned char));
+    if(!base || !rbuf || !gbuf || !bbuf || !abuf) {
+      if (base) free(base);
+      if (rbuf) free(rbuf);
+      if (gbuf) free(gbuf);
+      if (bbuf) free(bbuf);
+      if (abuf) free(abuf);
+      return NULL;
+    }
+    ptr = base;
+    for(y=0; y<image->ysize; y++) {
+        if(image->zsize == 4) {
+            ImageGetRow(image,rbuf,y,0);
+            ImageGetRow(image,gbuf,y,1);
+            ImageGetRow(image,bbuf,y,2);
+            ImageGetRow(image,abuf,y,3);  /* Discard. */
+            rgbtorgb(rbuf,gbuf,bbuf,ptr,image->xsize);
+            ptr += (image->xsize * 3);
+        } else {
+            ImageGetRow(image,rbuf,y,0);
+            ImageGetRow(image,gbuf,y,1);
+            ImageGetRow(image,bbuf,y,2);
+            rgbtorgb(rbuf,gbuf,bbuf,ptr,image->xsize);
+            ptr += (image->xsize * 3);
+        }
+    }
+    ImageClose(image);
+    free(rbuf);
+    free(gbuf);
+    free(bbuf);
+    free(abuf);
+
+    return (GLubyte *) base;
+}
+
+int main(int argc, char **argv)
+{
+	int width, height;
+	GLubyte *data;
+        char buff[32];
+        int n;
+        FILE *fo;
+
+	if (argc != 3)
+	{
+		fprintf(stderr, "usage: %s <infile.rgb> <outfile.p6>\n", argv[0]);
+		return 1;
+	}
+
+	data = read_rgb_texture(argv[1], &width, &height);
+
+	n = sprintf(buff, "P6\n%d %d\n255\n", width, height);
+
+        /* [dBorca] avoid LF to CRLF conversion */
+        if ((fo = fopen(argv[2], "wb")) == NULL) {
+           fprintf(stderr, "Cannot open output file!\n");
+           exit(1);
+        }
+
+	fwrite(buff, n, 1, fo);
+	fwrite(data, width * 3, height, fo);
+
+        fclose(fo);
+
+	return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/samples/select.c b/nx-X11/extras/Mesa_6.4.2/progs/samples/select.c
new file mode 100644
index 000000000..2c8f333bf
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/samples/select.c
@@ -0,0 +1,456 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <string.h>
+#include <time.h>
+#include <GL/glut.h>
+
+
+#define MAXOBJS 10000
+#define MAXSELECT 100
+#define MAXFEED 300
+#define	SOLID 1
+#define	LINE 2
+#define	POINT 3
+
+
+GLint windW, windH;
+
+GLuint selectBuf[MAXSELECT];
+GLfloat feedBuf[MAXFEED];
+GLint vp[4];
+float zRotation = 90.0;
+float zoom = 1.0;
+GLint objectCount;
+GLint numObjects;
+struct object {
+    float v1[2];
+    float v2[2];
+    float v3[2];
+    float color[3];
+} objects[MAXOBJS];
+GLenum linePoly = GL_FALSE;
+
+
+static void InitObjects(GLint num)
+{
+    GLint i;
+    float x, y;
+
+    if (num > MAXOBJS) {
+	num = MAXOBJS;
+    }
+    if (num < 1) {
+	num = 1;
+    }
+    objectCount = num;
+
+    srand((unsigned int)time(NULL));
+    for (i = 0; i < num; i++) {
+	x = (rand() % 300) - 150;
+	y = (rand() % 300) - 150;
+
+	objects[i].v1[0] = x + (rand() % 50) - 25;
+	objects[i].v2[0] = x + (rand() % 50) - 25;
+	objects[i].v3[0] = x + (rand() % 50) - 25;
+	objects[i].v1[1] = y + (rand() % 50) - 25;
+	objects[i].v2[1] = y + (rand() % 50) - 25;
+	objects[i].v3[1] = y + (rand() % 50) - 25;
+	objects[i].color[0] = ((rand() % 100) + 50) / 150.0;
+	objects[i].color[1] = ((rand() % 100) + 50) / 150.0;
+	objects[i].color[2] = ((rand() % 100) + 50) / 150.0;
+    }
+}
+
+static void Init(void)
+{
+
+    numObjects = 10;
+    InitObjects(numObjects);
+    glGetIntegerv(GL_VIEWPORT, vp);
+}
+
+static void Reshape(int width, int height)
+{
+
+    windW = (GLint)width;
+    windH = (GLint)height;
+}
+
+static void Render(GLenum mode)
+{
+    GLint i;
+
+    for (i = 0; i < objectCount; i++) {
+	if (mode == GL_SELECT) {
+	    glLoadName(i);
+	}
+	glColor3fv(objects[i].color);
+	glBegin(GL_POLYGON);
+	    glVertex2fv(objects[i].v1);
+	    glVertex2fv(objects[i].v2);
+	    glVertex2fv(objects[i].v3);
+	glEnd();
+    }
+}
+
+static GLint DoSelect(GLint x, GLint y)
+{
+    GLint hits;
+
+    glSelectBuffer(MAXSELECT, selectBuf);
+    (void)glRenderMode(GL_SELECT);
+    glInitNames();
+    glPushName(~0);
+
+    glPushMatrix();
+
+    glViewport(0, 0, windW, windH);
+    glGetIntegerv(GL_VIEWPORT, vp);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    gluPickMatrix(x, windH-y, 4, 4, vp);
+    gluOrtho2D(-175, 175, -175, 175);
+    glMatrixMode(GL_MODELVIEW);
+
+    glClearColor(0.0, 0.0, 0.0, 0.0);
+    glClear(GL_COLOR_BUFFER_BIT);
+
+    glScalef(zoom, zoom, zoom);
+    glRotatef(zRotation, 0, 0, 1);
+
+    Render(GL_SELECT);
+
+    glPopMatrix();
+    
+    hits = glRenderMode(GL_RENDER); 
+    if (hits <= 0) {
+	return -1;
+    }
+
+    return selectBuf[(hits-1)*4+3];
+}
+
+static void RecolorTri(GLint h)
+{
+
+    objects[h].color[0] = ((rand() % 100) + 50) / 150.0;
+    objects[h].color[1] = ((rand() % 100) + 50) / 150.0;
+    objects[h].color[2] = ((rand() % 100) + 50) / 150.0;
+}
+
+static void DeleteTri(GLint h)
+{
+
+    objects[h] = objects[objectCount-1];
+    objectCount--;
+}
+
+static void GrowTri(GLint h)
+{
+    float v[2];
+    float *oldV = NULL;
+    GLint i;
+
+    v[0] = objects[h].v1[0] + objects[h].v2[0] + objects[h].v3[0];
+    v[1] = objects[h].v1[1] + objects[h].v2[1] + objects[h].v3[1];
+    v[0] /= 3;
+    v[1] /= 3;
+
+    for (i = 0; i < 3; i++) {
+	switch (i) {
+	  case 0:
+	    oldV = objects[h].v1;
+	    break;
+	  case 1:
+	    oldV = objects[h].v2;
+	    break;
+	  case 2:
+	    oldV = objects[h].v3;
+	    break;
+	}
+	oldV[0] = 1.5 * (oldV[0] - v[0]) + v[0];
+	oldV[1] = 1.5 * (oldV[1] - v[1]) + v[1];
+    }
+}
+
+static void Mouse(int button, int state, int mouseX, int mouseY)
+{
+    GLint hit;
+
+    if (state != GLUT_DOWN)
+	return;
+
+    hit = DoSelect((GLint)mouseX, (GLint)mouseY);
+    if (hit != -1) {
+	if (button == GLUT_LEFT_BUTTON) {
+	    RecolorTri(hit);
+	}
+	if (button == GLUT_MIDDLE_BUTTON) {
+	    GrowTri(hit);
+	}
+	if (button == GLUT_RIGHT_BUTTON) {
+	    DeleteTri(hit);
+	}
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+
+    glPushMatrix();
+
+    glViewport(0, 0, windW, windH);
+    glGetIntegerv(GL_VIEWPORT, vp);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    gluOrtho2D(-175, 175, -175, 175);
+    glMatrixMode(GL_MODELVIEW);
+
+    glClearColor(0.0, 0.0, 0.0, 0.0);
+    glClear(GL_COLOR_BUFFER_BIT);
+
+    glScalef(zoom, zoom, zoom);
+    glRotatef(zRotation, 0, 0, 1);
+
+    Render(GL_RENDER);
+
+    glPopMatrix();
+
+    glFlush();
+}
+
+static void DrawZoom(GLint x, GLint y)
+{
+
+    glPushMatrix();
+
+    glViewport(0, 0, windW, windH);
+    glGetIntegerv(GL_VIEWPORT, vp);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    gluPickMatrix(x, windH-y, 4, 4, vp);
+    gluOrtho2D(-175, 175, -175, 175);
+    glMatrixMode(GL_MODELVIEW);
+
+    glClearColor(0.0, 0.0, 0.0, 0.0);
+    glClear(GL_COLOR_BUFFER_BIT);
+
+    glScalef(zoom, zoom, zoom);
+    glRotatef(zRotation, 0, 0, 1);
+
+    Render(GL_RENDER);
+
+    glPopMatrix();
+}
+
+static void DumpFeedbackVert(GLint *i, GLint n)
+{
+    GLint index;
+
+    index = *i;
+    if (index+7 > n) {
+	*i = n;
+	printf("  ???\n");
+	return;
+    }
+    printf("  (%g %g %g), color = (%4.2f %4.2f %4.2f)\n",
+	   feedBuf[index],
+	   feedBuf[index+1],
+	   feedBuf[index+2],
+	   feedBuf[index+3],
+	   feedBuf[index+4],
+	   feedBuf[index+5]);
+    index += 7;
+    *i = index;
+}
+
+static void DrawFeedback(GLint n)
+{
+    GLint i;
+    GLint verts;
+
+    printf("Feedback results (%d floats):\n", n);
+    for (i = 0; i < n; i++) {
+	switch ((GLint)feedBuf[i]) {
+	  case GL_POLYGON_TOKEN:
+	    printf("Polygon");
+	    i++;
+	    if (i < n) {
+		verts = (GLint)feedBuf[i];
+		i++;
+		printf(": %d vertices", verts);
+	    } else {
+		verts = 0;
+	    }
+	    printf("\n");
+	    while (verts) {
+		DumpFeedbackVert(&i, n);
+		verts--;
+	    }
+	    i--;
+	    break;
+	  case GL_LINE_TOKEN:
+	    printf("Line:\n");
+	    i++;
+	    DumpFeedbackVert(&i, n);
+	    DumpFeedbackVert(&i, n);
+	    i--;
+	    break;
+	  case GL_LINE_RESET_TOKEN:
+	    printf("Line Reset:\n");
+	    i++;
+	    DumpFeedbackVert(&i, n);
+	    DumpFeedbackVert(&i, n);
+	    i--;
+	    break;
+	  default:
+	    printf("%9.2f\n", feedBuf[i]);
+	    break;
+	}
+    }
+    if (i == MAXFEED) {
+	printf("...\n");
+    }
+    printf("\n");
+}
+
+static void DoFeedback(void) 
+{
+    GLint x;
+
+    glFeedbackBuffer(MAXFEED, GL_3D_COLOR, feedBuf);
+    (void)glRenderMode(GL_FEEDBACK);
+
+    glPushMatrix();
+
+    glViewport(0, 0, windW, windH);
+    glGetIntegerv(GL_VIEWPORT, vp);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    gluOrtho2D(-175, 175, -175, 175);
+    glMatrixMode(GL_MODELVIEW);
+
+    glClearColor(0.0, 0.0, 0.0, 0.0);
+    glClear(GL_COLOR_BUFFER_BIT);
+
+    glScalef(zoom, zoom, zoom);
+    glRotatef(zRotation, 0, 0, 1);
+
+    Render(GL_FEEDBACK);
+
+    glPopMatrix();
+    
+    x = glRenderMode(GL_RENDER); 
+    if (x == -1) {
+	x = MAXFEED;
+    }
+
+    DrawFeedback((GLint)x);
+}
+
+static void Key2(int key, int x, int y)
+{
+    switch (key) {
+      case GLUT_KEY_LEFT:
+	zRotation += 0.5;
+	break;
+      case GLUT_KEY_RIGHT:
+	zRotation -= 0.5;
+	break;
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+    switch (key) {
+      case 27:
+	exit(1);
+      case 'Z':
+	zoom /= 0.75;
+	break;
+      case 'z':
+	zoom *= 0.75;
+	break;
+      case 'f':
+	DoFeedback();
+	break;
+      case 'd':
+	DrawZoom(x, y);
+	break;
+      case 'l':
+	linePoly = !linePoly;
+	if (linePoly) {
+	    glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
+	} else {
+	    glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
+	}
+	break;
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    windW = 300;
+    windH = 300;
+    glutInitWindowPosition(0, 0); glutInitWindowSize( windW, windH);
+
+    type = GLUT_RGB | GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("Select Test") == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutSpecialFunc(Key2);
+    glutMouseFunc(Mouse);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/samples/shape.c b/nx-X11/extras/Mesa_6.4.2/progs/samples/shape.c
new file mode 100644
index 000000000..d342ee5b0
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/samples/shape.c
@@ -0,0 +1,345 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define OPENGL_WIDTH 24
+#define OPENGL_HEIGHT 13
+
+
+GLenum rgb, doubleBuffer, windType;
+GLint objectIndex = 0;
+GLuint bases[20];
+float angleX = 0.0, angleY = 0.0, angleZ = 0.0;
+float scaleX = 1.0, scaleY = 1.0, scaleZ = 1.0;
+float shiftX = 0.0, shiftY = 0.0, shiftZ = 0.0;
+
+
+#include "tkmap.c"
+
+static void Init(void)
+{
+
+    bases[0] = glGenLists(1);
+    glNewList(bases[0], GL_COMPILE);
+    glutWireSphere(1.0, 20, 10);
+    glEndList();
+
+    bases[1] = glGenLists(1);
+    glNewList(bases[1], GL_COMPILE);
+    glutSolidSphere(1.0, 20, 10);
+    glEndList();
+
+    bases[2] = glGenLists(1);
+    glNewList(bases[2], GL_COMPILE);
+    glutWireCube(1.0);
+    glEndList();
+
+    bases[3] = glGenLists(1);
+    glNewList(bases[3], GL_COMPILE);
+    glutSolidCube(1.0);
+    glEndList();
+
+    bases[4] = glGenLists(1);
+    glNewList(bases[4], GL_COMPILE);
+    glutWireTorus(1.0, 1.0, 10, 20);
+    glEndList();
+
+    bases[5] = glGenLists(1);
+    glNewList(bases[5], GL_COMPILE);
+    glutSolidTorus(1.0, 1.0, 10, 20);
+    glEndList();
+
+    bases[6] = glGenLists(1);
+    glNewList(bases[6], GL_COMPILE);
+    glutWireIcosahedron();
+    glEndList();
+
+    bases[7] = glGenLists(1);
+    glNewList(bases[7], GL_COMPILE);
+    glutSolidIcosahedron();
+    glEndList();
+
+    bases[8] = glGenLists(1);
+    glNewList(bases[8], GL_COMPILE);
+    glutWireOctahedron();
+    glEndList();
+
+    bases[9] = glGenLists(1);
+    glNewList(bases[9], GL_COMPILE);
+    glutSolidOctahedron();
+    glEndList();
+
+    bases[10] = glGenLists(1);
+    glNewList(bases[10], GL_COMPILE);
+    glutWireTetrahedron();
+    glEndList();
+
+    bases[11] = glGenLists(1);
+    glNewList(bases[11], GL_COMPILE);
+    glutSolidTetrahedron();
+    glEndList();
+
+    bases[12] = glGenLists(1);
+    glNewList(bases[12], GL_COMPILE);
+    glutWireDodecahedron();
+    glEndList();
+
+    bases[13] = glGenLists(1);
+    glNewList(bases[13], GL_COMPILE);
+    glutSolidDodecahedron();
+    glEndList();
+
+    bases[14] = glGenLists(1);
+    glNewList(bases[14], GL_COMPILE);
+    glutWireCone(5.0, 5.0, 20, 10);
+    glEndList();
+
+    bases[15] = glGenLists(1);
+    glNewList(bases[15], GL_COMPILE);
+    glutSolidCone(5.0, 5.0, 20, 10);
+    glEndList();
+
+    bases[16] = glGenLists(1);
+    glNewList(bases[16], GL_COMPILE);
+    glutWireTeapot(1.0);
+    glEndList();
+
+    bases[17] = glGenLists(1);
+    glNewList(bases[17], GL_COMPILE);
+    glutSolidTeapot(1.0);
+    glEndList();
+
+    glClearColor(0.0, 0.0, 0.0, 0.0);
+    glClearIndex(0.0);
+}
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glOrtho(-400.0, 400.0, -200.0, 200.0, -400.0, 400.0);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key2(int key, int x, int y)
+{
+
+    switch (key) {
+      case GLUT_KEY_LEFT:
+	shiftX -= 20.0;
+	break;
+      case GLUT_KEY_RIGHT:
+	shiftX += 20.0;
+	break;
+      case GLUT_KEY_UP:
+	shiftY += 20.0;
+	break;
+      case GLUT_KEY_DOWN:
+	shiftY -= 20.0;
+	break;
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+        exit(1);
+
+      case 32:
+	objectIndex++;
+	if (objectIndex > 17) {
+	    objectIndex = 0;
+	}
+	break;
+
+      case 'n':
+	shiftZ += 20.0;
+	break;
+      case 'm':
+	shiftZ -= 20.0;
+	break;
+
+      case 'q':
+	scaleX -= 0.1;
+	if (scaleX < 0.1) {
+	    scaleX = 0.1;
+	}
+	break;
+      case 'w':
+	scaleX += 0.1;
+	break;
+      case 'a':
+	scaleY -= 0.1;
+	if (scaleY < 0.1) {
+	    scaleY = 0.1;
+	}
+	break;
+      case 's':
+	scaleY += 0.1;
+	break;
+      case 'z':
+	scaleZ -= 0.1;
+	if (scaleZ < 0.1) {
+	    scaleZ = 0.1;
+	}
+	break;
+      case 'x':
+	scaleZ += 0.1;
+	break;
+
+      case 'e':
+	angleX -= 5.0;
+	if (angleX < 0.0) {
+	    angleX = 360.0 + angleX;
+	}
+	break;
+      case 'r':
+	angleX += 5.0;
+	if (angleX > 360.0) {
+	    angleX = angleX - 360.0;
+	}
+	break;
+      case 'd':
+	angleY -= 5.0;
+	if (angleY < 0.0) {
+	    angleY = 360.0 + angleY;
+	}
+	break;
+      case 'f':
+	angleY += 5.0;
+	if (angleY > 360.0) {
+	    angleY = angleY - 360.0;
+	}
+	break;
+      case 'c':
+	angleZ -= 5.0;
+	if (angleZ < 0.0) {
+	    angleZ = 360.0 + angleZ;
+	}
+	break;
+      case 'v':
+	angleZ += 5.0;
+	if (angleZ > 360.0) {
+	    angleZ = angleZ - 360.0;
+	}
+	break;
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+
+    glClear(GL_COLOR_BUFFER_BIT);
+
+    SetColor(COLOR_WHITE);
+
+    glPushMatrix();
+
+    glTranslatef(shiftX, shiftY, shiftZ);
+    glRotatef(angleX, 1.0, 0.0, 0.0);
+    glRotatef(angleY, 0.0, 1.0, 0.0);
+    glRotatef(angleZ, 0.0, 0.0, 1.0);
+    glScalef(scaleX, scaleY, scaleZ);
+
+    glCallList(bases[objectIndex]);
+    glPopMatrix();
+
+    glFlush();
+
+    if (doubleBuffer) {
+	glutSwapBuffers();
+    }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    rgb = GL_TRUE;
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+	if (strcmp(argv[i], "-ci") == 0) {
+	    rgb = GL_FALSE;
+	} else if (strcmp(argv[i], "-rgb") == 0) {
+	    rgb = GL_TRUE;
+	} else if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    printf("%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(0, 0); glutInitWindowSize( 400, 400);
+
+    windType = (rgb) ? GLUT_RGB : GLUT_INDEX;
+    windType |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(windType);
+
+    if (glutCreateWindow("Font Test") == GL_FALSE) {
+	exit(1);
+    }
+
+    InitMap();
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutSpecialFunc(Key2);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/samples/sphere.c b/nx-X11/extras/Mesa_6.4.2/progs/samples/sphere.c
new file mode 100644
index 000000000..7d0508dee
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/samples/sphere.c
@@ -0,0 +1,1014 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+/* BEP: renamed "nearest" as "nnearest" to avoid math.h collision on AIX */
+
+#include <stdio.h>
+#include <string.h>
+#include <math.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+#include "readtex.h"
+
+
+#ifndef PI
+#define PI    3.14159265358979323846
+#endif
+
+
+GLenum doubleBuffer;
+int W = 400, H = 400;
+
+char *imageFileName = "../images/reflect.rgb";
+
+float *minFilter, *magFilter, *sWrapMode, *tWrapMode;
+float decal[] = {GL_DECAL};
+float modulate[] = {GL_MODULATE};
+float repeat[] = {GL_REPEAT};
+float clamp[] = {GL_CLAMP};
+float nnearest[] = {GL_NEAREST};
+float linear[] = {GL_LINEAR};
+float nearest_mipmap_nearest[] = {GL_NEAREST_MIPMAP_NEAREST};
+float nearest_mipmap_linear[] = {GL_NEAREST_MIPMAP_LINEAR};
+float linear_mipmap_nearest[] = {GL_LINEAR_MIPMAP_NEAREST};
+float linear_mipmap_linear[] = {GL_LINEAR_MIPMAP_LINEAR};
+GLint sphereMap[] = {GL_SPHERE_MAP};
+
+float xRotation = 0.0, yRotation = 0.0;
+float zTranslate = -3.0;
+GLenum autoRotate = GL_TRUE;
+GLboolean isLit = GL_TRUE;
+GLboolean isFogged = GL_FALSE;
+GLboolean doTexture = GL_TRUE;
+float *textureEnvironment = modulate;
+
+int cube, cage, cylinder, torus, genericObject;
+
+float c[6][4][4][3] = {
+    {
+	{
+	    {
+		1.0, 1.0, -1.0
+	    },
+	    {
+		0.0, 1.0, -1.0
+	    },
+	    {
+		0.0, 0.0, -1.0
+	    },
+	    {
+		1.0, 0.0, -1.0
+	    },
+	},
+	{
+	    {
+		0.0, 1.0, -1.0
+	    },
+	    {
+		-1.0, 1.0, -1.0
+	    },
+	    {
+		-1.0, 0.0, -1.0
+	    },
+	    {
+		0.0, 0.0, -1.0
+	    },
+	},
+	{
+	    {
+		0.0,  0.0, -1.0
+	    },
+	    {
+		-1.0, 0.0, -1.0
+	    },
+	    {
+		-1.0, -1.0, -1.0
+	    },
+	    {
+		0.0, -1.0, -1.0
+	    },
+	},
+	{
+	    {
+		1.0, 0.0, -1.0
+	    },
+	    {
+		0.0, 0.0, -1.0
+	    },
+	    {
+		0.0, -1.0, -1.0
+	    },
+	    {
+		1.0, -1.0, -1.0
+	    },
+	},
+    },
+    {
+	{
+	    {
+		1.0, 1.0, 1.0
+	    },
+	    {
+		1.0, 1.0, 0.0
+	    },
+	    {
+		1.0, 0.0, 0.0
+	    },
+	    {
+		1.0, 0.0, 1.0
+	    },
+	},
+	{
+	    {
+		1.0, 1.0, 0.0
+	    },
+	    {
+		1.0, 1.0, -1.0
+	    },
+	    {
+		1.0, 0.0, -1.0
+	    },
+	    {
+		1.0, 0.0, 0.0
+	    },
+	},
+	{
+	    {
+		1.0, 0.0, -1.0
+	    },
+	    {
+		1.0, -1.0, -1.0
+	    },
+	    {
+		1.0, -1.0, 0.0
+	    },
+	    {
+		1.0, 0.0, 0.0
+	    },
+	},
+	{
+	    {
+		1.0, 0.0, 0.0
+	    },
+	    {
+		1.0, -1.0, 0.0
+	    },
+	    {
+		1.0, -1.0, 1.0
+	    },
+	    {
+		1.0, 0.0, 1.0
+	    },
+	},
+    },
+    {
+	{
+	    {
+		-1.0, 1.0, 1.0
+	    },
+	    {
+		0.0, 1.0, 1.0
+	    },
+	    {
+		0.0, 0.0, 1.0
+	    },
+	    {
+		-1.0, 0.0, 1.0
+	    },
+	},
+	{
+	    {
+		0.0, 1.0, 1.0
+	    },
+	    {
+		1.0, 1.0, 1.0
+	    },
+	    {
+		1.0, 0.0, 1.0
+	    },
+	    {
+		0.0, 0.0, 1.0
+	    },
+	},
+	{
+	    {
+		1.0, 0.0, 1.0
+	    },
+	    {
+		1.0, -1.0, 1.0
+	    },
+	    {
+		0.0, -1.0, 1.0
+	    },
+	    {
+		0.0, 0.0, 1.0
+	    },
+	},
+	{
+	    {
+		0.0, -1.0, 1.0
+	    },
+	    {
+		-1.0, -1.0, 1.0
+	    },
+	    {
+		-1.0, 0.0, 1.0
+	    },
+	    {
+		0.0, 0.0, 1.0
+	    },
+	},
+    },
+    {
+	{
+	    {
+		-1.0, 1.0, -1.0
+	    },
+	    {
+		-1.0, 1.0, 0.0
+	    },
+	    {
+		-1.0, 0.0, 0.0
+	    },
+	    {
+		-1.0, 0.0, -1.0
+	    },
+	},
+	{
+	    {
+		-1.0, 1.0, 0.0
+	    },
+	    {
+		-1.0, 1.0, 1.0
+	    },
+	    {
+		-1.0, 0.0, 1.0
+	    },
+	    {
+		-1.0, 0.0, 0.0
+	    },
+	},
+	{
+	    {
+		-1.0, 0.0, 1.0
+	    },
+	    {
+		-1.0, -1.0, 1.0
+	    },
+	    {
+		-1.0, -1.0, 0.0
+	    },
+	    {
+		-1.0, 0.0, 0.0
+	    },
+	},
+	{
+	    {
+		-1.0, -1.0, 0.0
+	    },
+	    {
+		-1.0, -1.0, -1.0
+	    },
+	    {
+		-1.0, 0.0, -1.0
+	    },
+	    {
+		-1.0, 0.0, 0.0
+	    },
+	},
+    },
+    {
+	{
+	    {
+		-1.0, 1.0, 1.0
+	    },
+	    {
+		-1.0, 1.0, 0.0
+	    },
+	    {
+		0.0, 1.0, 0.0
+	    },
+	    {
+		0.0, 1.0, 1.0
+	    },
+	},
+	{
+	    {
+		-1.0, 1.0, 0.0
+	    },
+	    {
+		-1.0, 1.0, -1.0
+	    },
+	    {
+		0.0, 1.0, -1.0
+	    },
+	    {
+		0.0, 1.0, 0.0
+	    },
+	},
+	{
+	    {
+		0.0, 1.0, -1.0
+	    },
+	    {
+		1.0, 1.0, -1.0
+	    },
+	    {
+		1.0, 1.0, 0.0
+	    },
+	    {
+		0.0, 1.0, 0.0
+	    },
+	},
+	{
+	    {
+		1.0, 1.0, 0.0
+	    },
+	    {
+		1.0, 1.0, 1.0
+	    },
+	    {
+		0.0, 1.0, 1.0
+	    },
+	    {
+		0.0, 1.0, 0.0
+	    },
+	},
+    },
+    {
+	{
+	    {
+		-1.0, -1.0, -1.0
+	    },
+	    {
+		-1.0, -1.0, 0.0
+	    },
+	    {
+		0.0, -1.0, 0.0
+	    },
+	    {
+		0.0, -1.0, -1.0
+	    },
+	},
+	{
+	    {
+		-1.0, -1.0, 0.0
+	    },
+	    {
+		-1.0, -1.0, 1.0
+	    },
+	    {
+		0.0, -1.0, 1.0
+	    },
+	    {
+		0.0, -1.0, 0.0
+	    },
+	},
+	{
+	    {
+		0.0, -1.0, 1.0
+	    },
+	    {
+		1.0, -1.0, 1.0
+	    },
+	    {
+		1.0, -1.0, 0.0
+	    },
+	    {
+		0.0, -1.0, 0.0
+	    },
+	},
+	{
+	    {
+		1.0, -1.0, 0.0
+	    },
+	    {
+		1.0, -1.0, -1.0
+	    },
+	    {
+		0.0, -1.0, -1.0
+	    },
+	    {
+		0.0, -1.0, 0.0
+	    },
+	},
+    }
+};
+
+float n[6][3] = {
+    {
+	0.0, 0.0, -1.0
+    },
+    {
+	1.0, 0.0, 0.0
+    },
+    {
+	0.0, 0.0, 1.0
+    },
+    {
+	-1.0, 0.0, 0.0
+    },
+    {
+	0.0, 1.0, 0.0
+    },
+    {
+	0.0, -1.0, 0.0
+    }
+};
+
+GLfloat identity[16] = {
+    1, 0, 0, 0,
+    0, 1, 0, 0,
+    0, 0, 1, 0,
+    0, 0, 0, 1,
+};
+
+
+void BuildCylinder(int numEdges)
+{
+    int i, top = 1.0, bottom = -1.0;
+    float x[100], y[100], angle;
+
+    for (i = 0; i <= numEdges; i++) {
+	angle = i * 2.0 * PI / numEdges;
+	x[i] = cos(angle);   /* was cosf() */
+	y[i] = sin(angle);   /* was sinf() */
+    }
+
+    glNewList(cylinder, GL_COMPILE);
+    glBegin(GL_TRIANGLE_STRIP);
+	for (i = 0; i <= numEdges; i++) {
+	    glNormal3f(x[i], y[i], 0.0);
+	    glVertex3f(x[i], y[i], bottom);
+	    glVertex3f(x[i], y[i], top);
+	}
+    glEnd();
+    glBegin(GL_TRIANGLE_FAN);
+	glNormal3f(0.0, 0.0, 1.0);
+	glVertex3f(0.0, 0.0, top);
+	for (i = 0; i <= numEdges; i++) {
+	    glVertex3f(x[i], -y[i], top);
+	}
+    glEnd();
+    glBegin(GL_TRIANGLE_FAN);
+	glNormal3f(0.0, 0.0, -1.0);
+	glVertex3f(0.0, 0.0, bottom);
+	for (i = 0; i <= numEdges; i++) {
+	    glVertex3f(x[i], y[i], bottom);
+	}
+    glEnd();
+    glEndList();
+}
+
+void BuildTorus(float rc, int numc, float rt, int numt)
+{
+    int i, j, k;
+    double s, t;
+    double x, y, z;
+    double pi, twopi;
+
+    pi = 3.14159265358979323846;
+    twopi = 2.0 * pi;
+
+    glNewList(torus, GL_COMPILE);
+    for (i = 0; i < numc; i++) {
+	glBegin(GL_QUAD_STRIP);
+        for (j = 0; j <= numt; j++) {
+	    for (k = 0; k <= 1; k++) {
+		s = (i + k) % numc + 0.5;
+		t = j % numt;
+
+		x = cos(t*twopi/numt) * cos(s*twopi/numc);
+		y = sin(t*twopi/numt) * cos(s*twopi/numc);
+		z = sin(s*twopi/numc);
+		glNormal3f(x, y, z);
+
+		x = (rt + rc * cos(s*twopi/numc)) * cos(t*twopi/numt);
+		y = (rt + rc * cos(s*twopi/numc)) * sin(t*twopi/numt);
+		z = rc * sin(s*twopi/numc);
+		glVertex3f(x, y, z);
+	    }
+        }
+	glEnd();
+    }
+    glEndList();
+}
+
+void BuildCage(void)
+{
+    int i;
+    float inc;
+    float right, left, top, bottom, front, back;
+
+    front  = 0.0;
+    back   = -8.0;
+
+    left   = -4.0;
+    bottom = -4.0;
+    right  = 4.0;
+    top    = 4.0;
+
+    inc = 2.0 * 4.0 * 0.1;
+
+    glNewList(cage, GL_COMPILE);
+    for (i = 0; i < 10; i++) {
+
+	/*
+	** Back
+	*/
+	glBegin(GL_LINES);
+	    glVertex3f(left+i*inc, top,    back);
+	    glVertex3f(left+i*inc, bottom, back);
+	glEnd();
+	glBegin(GL_LINES);
+	    glVertex3f(right, bottom+i*inc, back);
+	    glVertex3f(left,  bottom+i*inc, back);
+	glEnd();
+
+	/*
+	** Front
+	*/
+	glBegin(GL_LINES);
+	    glVertex3f(left+i*inc, top,    front);
+	    glVertex3f(left+i*inc, bottom, front);
+	glEnd();
+	glBegin(GL_LINES);
+	    glVertex3f(right, bottom+i*inc, front);
+	    glVertex3f(left,  bottom+i*inc, front);
+	glEnd();
+
+	/*
+	** Left
+	*/
+	glBegin(GL_LINES);
+	    glVertex3f(left, bottom+i*inc, front);
+	    glVertex3f(left, bottom+i*inc, back);
+	glEnd();
+	glBegin(GL_LINES);
+	    glVertex3f(left, top,    back+i*inc);
+	    glVertex3f(left, bottom, back+i*inc);
+	glEnd();
+
+	/*
+	** Right
+	*/
+	glBegin(GL_LINES);
+	    glVertex3f(right, top-i*inc, front);
+	    glVertex3f(right, top-i*inc, back);
+	glEnd();
+	glBegin(GL_LINES);
+	    glVertex3f(right, top,    back+i*inc);
+	    glVertex3f(right, bottom, back+i*inc);
+	glEnd();
+
+	/*
+	** Top
+	*/
+	glBegin(GL_LINES);
+	    glVertex3f(left+i*inc, top, front);
+	    glVertex3f(left+i*inc, top, back);
+	glEnd();
+	glBegin(GL_LINES);
+	    glVertex3f(right, top, back+i*inc);
+	    glVertex3f(left,  top, back+i*inc);
+	glEnd();
+
+	/*
+	** Bottom
+	*/
+	glBegin(GL_LINES);
+	    glVertex3f(right-i*inc, bottom, front);
+	    glVertex3f(right-i*inc, bottom, back);
+	glEnd();
+	glBegin(GL_LINES);
+	    glVertex3f(right, bottom, back+i*inc);
+	    glVertex3f(left,  bottom, back+i*inc);
+	glEnd();
+    }
+    glEndList();
+}
+
+void BuildCube(void)
+{
+    int i, j;
+
+    glNewList(cube, GL_COMPILE);
+    for (i = 0; i < 6; i++) {
+	for (j = 0; j < 4; j++) {
+	    glNormal3fv(n[i]);
+	    glBegin(GL_POLYGON);
+		glVertex3fv(c[i][j][0]);
+		glVertex3fv(c[i][j][1]);
+		glVertex3fv(c[i][j][2]);
+		glVertex3fv(c[i][j][3]);
+	    glEnd();
+	}
+    }
+    glEndList();
+}
+
+void BuildLists(void)
+{
+
+    cube = glGenLists(1);
+    BuildCube();
+
+    cage = glGenLists(2);
+    BuildCage();
+
+    cylinder = glGenLists(3);
+    BuildCylinder(60);
+
+    torus = glGenLists(4);
+    BuildTorus(0.65, 20, .85, 65);
+
+    genericObject = torus;
+}
+
+void SetDefaultSettings(void)
+{
+
+    magFilter = nnearest;
+    minFilter = nnearest;
+    sWrapMode = repeat;
+    tWrapMode = repeat;
+    textureEnvironment = modulate;
+    autoRotate = GL_TRUE;
+}
+
+unsigned char *AlphaPadImage(int bufSize, unsigned char *inData, int alpha)
+{
+    unsigned char *outData, *out_ptr, *in_ptr;
+    int i;
+
+    outData = (unsigned char *) malloc(bufSize * 4);
+    out_ptr = outData;
+    in_ptr = inData;
+
+    for (i = 0; i < bufSize; i++) {
+	*out_ptr++ = *in_ptr++;
+	*out_ptr++ = *in_ptr++;
+	*out_ptr++ = *in_ptr++;
+	*out_ptr++ = alpha;
+    }
+
+    free (inData);
+    return outData;
+}
+
+void Init(void)
+{
+    float ambient[] = {0.0, 0.0, 0.0, 1.0};
+    float diffuse[] = {1.0, 1.0, 1.0, 1.0};
+    float specular[] = {1.0, 1.0, 1.0, 1.0};
+    float position[] = {0.0, 0.0,  4.0, 0.0};
+    float fog_color[] = {0.0, 0.0, 0.0, 1.0};
+    float mat_ambient[] = {0.0, 0.0, 0.0, 1.0};
+    float mat_shininess[] = {90.0};
+    float mat_specular[] = {1.0, 1.0, 1.0, 1.0};
+    float mat_diffuse[] = {0.8, 0.8, 0.8, 1.0};
+    float lmodel_ambient[] = {0.2, 0.2, 0.2, 1.0};
+    float lmodel_twoside[] = {GL_TRUE};
+    int w, h;
+    GLenum format;
+    GLubyte *image;
+
+    printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
+
+    SetDefaultSettings();
+
+    image = LoadRGBImage(imageFileName, &w, &h, &format);
+    if (!image) {
+       printf("Error: couldn't load %s\n", imageFileName);
+       exit(1);
+    }
+    glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+    gluBuild2DMipmaps(GL_TEXTURE_2D, format, w, h,
+                      GL_RGB, GL_UNSIGNED_BYTE, image);
+
+    free(image);
+
+    glFogf(GL_FOG_DENSITY, 0.125);
+    glFogi(GL_FOG_MODE, GL_LINEAR);
+    glFogf(GL_FOG_START, 4.0);
+    glFogf(GL_FOG_END, 8.5);
+    glFogfv(GL_FOG_COLOR, fog_color);
+
+    glLightfv(GL_LIGHT0, GL_AMBIENT, ambient);
+    glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse);
+    glLightfv(GL_LIGHT0, GL_SPECULAR, specular);
+    glLightfv(GL_LIGHT0, GL_POSITION, position);
+    glEnable(GL_LIGHT0);
+
+    glMaterialfv(GL_FRONT_AND_BACK, GL_SHININESS, mat_shininess);
+    glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, mat_specular);
+    glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, mat_diffuse);
+    glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, mat_ambient);
+
+    glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
+    glLightModelfv(GL_LIGHT_MODEL_TWO_SIDE, lmodel_twoside);
+    glShadeModel(GL_SMOOTH);
+
+
+    glClearColor(0.0, 0.0, 0.0, 0.0);
+    glEnable(GL_DEPTH_TEST);
+
+    glFrontFace(GL_CW);
+    glEnable(GL_CULL_FACE);
+    glCullFace(GL_BACK);
+
+    glTexGeniv(GL_S, GL_TEXTURE_GEN_MODE, sphereMap);
+    glTexGeniv(GL_T, GL_TEXTURE_GEN_MODE, sphereMap);
+    glEnable(GL_TEXTURE_GEN_S);
+    glEnable(GL_TEXTURE_GEN_T);
+
+    glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, magFilter);
+    glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, minFilter);
+    glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, sWrapMode);
+    glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, tWrapMode);
+
+    glTexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, textureEnvironment);
+
+    BuildLists();
+}
+
+void ReInit(void)
+{
+    if (genericObject == torus) {
+	glEnable(GL_DEPTH_TEST);
+    } else  {
+	glDisable(GL_DEPTH_TEST);
+    }
+	glEnable(GL_DEPTH_TEST);
+
+#if 0
+    if (isFogged) {
+	textureEnvironment = modulate;
+    }
+#endif
+
+    glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, magFilter);
+    glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, minFilter);
+    glTexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, textureEnvironment);
+}
+
+void Draw(void)
+{
+    glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
+
+    /* draw cage */
+    if (isFogged)
+	glEnable(GL_FOG);
+    else
+	glDisable(GL_FOG);
+    glColor3f(1, 1, 1);
+    glDisable(GL_LIGHTING);
+    glDisable(GL_TEXTURE_2D);
+    glCallList(cage);
+
+    /* draw object */
+    if (isLit)
+	glEnable(GL_LIGHTING);
+    else
+       glColor3f(1.0, 0.5, 0.2);
+    if (doTexture)
+       glEnable(GL_TEXTURE_2D);
+
+    glPushMatrix();
+        glTranslatef(0.0, 0.0, zTranslate);
+        glRotatef(xRotation, 1, 0, 0);
+        glRotatef(yRotation, 0, 1, 0);
+        glCallList(genericObject);
+    glPopMatrix();
+
+    glFlush();
+    glutSwapBuffers();
+}
+
+void Reshape(int width, int height)
+{
+    W = width;
+    H = height;
+    ReInit();
+    glViewport( 0, 0, width, height );  /*new*/
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glFrustum(-0.2, 0.2, -0.2, 0.2, 0.15, 9.0);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+void Idle(void)
+{
+   static double t0 = -1.;
+   double t, dt;
+   t = glutGet(GLUT_ELAPSED_TIME) / 1000.;
+   if (t0 < 0.)
+      t0 = t;
+   dt = t - t0;
+   t0 = t;
+
+   xRotation += .75*60.*dt;
+   yRotation += .375*60.*dt;
+   glutPostRedisplay();
+}
+
+void Key2(int key, int x, int y)
+{
+
+    switch (key) {
+      case GLUT_KEY_LEFT:
+	yRotation -= 0.5;
+	autoRotate = GL_FALSE;
+	ReInit();
+	break;
+      case GLUT_KEY_RIGHT:
+	yRotation += 0.5;
+	autoRotate = GL_FALSE;
+	ReInit();
+	break;
+      case GLUT_KEY_UP:
+	xRotation -= 0.5;
+	autoRotate = GL_FALSE;
+	ReInit();
+	break;
+      case GLUT_KEY_DOWN:
+	xRotation += 0.5;
+	autoRotate = GL_FALSE;
+	ReInit();
+	break;
+      default:
+	return;
+    }
+    glutPostRedisplay();
+}
+
+void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+         /*	free(image->data);*/
+	exit(1);
+
+      case 'a':
+	autoRotate = !autoRotate;
+        if (autoRotate)
+           glutIdleFunc(Idle);
+        else
+           glutIdleFunc(NULL);
+
+	ReInit();
+	break;
+      case 'o':
+        if (genericObject == cube) {
+          genericObject = cylinder;
+        }
+        else if (genericObject == cylinder) {
+          genericObject = torus;
+        }
+        else {
+          genericObject = cube;
+        }
+	ReInit();
+	break;
+      case 'd':
+	textureEnvironment = decal;
+	ReInit();
+	break;
+      case 'm':
+	textureEnvironment = modulate;
+	ReInit();
+	break;
+      case 'l':
+	isLit = !isLit;
+	ReInit();
+	break;
+      case 'f':
+	isFogged = !isFogged;
+	ReInit();
+	break;
+      case 't':
+        doTexture = !doTexture;
+	ReInit();
+	break;
+      case '0':
+	magFilter = nnearest;
+	ReInit();
+	break;
+      case '1':
+	magFilter = linear;
+	ReInit();
+	break;
+      case '2':
+	minFilter = nnearest;
+	ReInit();
+	break;
+      case '3':
+	minFilter = linear;
+	ReInit();
+	break;
+      case '4':
+	minFilter = nearest_mipmap_nearest;
+	ReInit();
+	break;
+      case '5':
+	minFilter = nearest_mipmap_linear;
+	ReInit();
+	break;
+      case '6':
+	minFilter = linear_mipmap_nearest;
+	ReInit();
+	break;
+      case '7':
+	minFilter = linear_mipmap_linear;
+	ReInit();
+	break;
+      default:
+	return;
+    }
+    glutPostRedisplay();
+}
+
+GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_TRUE;
+
+    for (i = 1; i < argc; i++) {
+	if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else if (strcmp(argv[i], "-f") == 0) {
+	    if (i+1 >= argc || argv[i+1][0] == '-') {
+		printf("-f (No file name).\n");
+		return GL_FALSE;
+	    } else {
+		imageFileName = argv[++i];
+	    }
+	} else {
+	    printf("%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    if (imageFileName == 0) {
+	printf("No image file.\n");
+	exit(1);
+    }
+
+    glutInitWindowPosition(0, 0); glutInitWindowSize( W, H);
+
+    type = GLUT_RGB | GLUT_DEPTH;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("Texture Test") == GL_FALSE) {
+        exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutSpecialFunc(Key2);
+    glutDisplayFunc(Draw);
+    glutIdleFunc(Idle);
+
+    glutMainLoop();
+	return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/samples/star.c b/nx-X11/extras/Mesa_6.4.2/progs/samples/star.c
new file mode 100644
index 000000000..2cf470e2a
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/samples/star.c
@@ -0,0 +1,345 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <math.h>
+#include <GL/glut.h>
+
+
+#ifndef PI
+#define PI 3.141592657
+#endif
+
+enum {
+    NORMAL = 0,
+    WEIRD = 1
+};
+
+enum {
+    STREAK = 0,
+    CIRCLE = 1
+};
+
+#define MAXSTARS 400
+#define MAXPOS 10000
+#define MAXWARP 500
+#define MAXANGLES 6000
+
+
+typedef struct _starRec {
+    GLint type;
+    float x[2], y[2], z[2];
+    float offsetX, offsetY, offsetR, rotation;
+} starRec;
+
+
+GLenum doubleBuffer;
+GLint windW, windH;
+
+GLenum flag = NORMAL;
+GLint starCount = MAXSTARS / 2;
+float speed = 1.0;
+GLint nitro = 0;
+starRec stars[MAXSTARS];
+float sinTable[MAXANGLES];
+
+
+float Sin(float angle)
+{
+
+    return (sinTable[(GLint)angle]);
+}
+
+float Cos(float angle)
+{
+
+    return (sinTable[((GLint)angle+(MAXANGLES/4))%MAXANGLES]);
+}
+
+void NewStar(GLint n, GLint d)
+{
+
+    if (rand()%4 == 0) {
+	stars[n].type = CIRCLE;
+    } else {
+	stars[n].type = STREAK;
+    }
+    stars[n].x[0] = (float)(rand() % MAXPOS - MAXPOS / 2);
+    stars[n].y[0] = (float)(rand() % MAXPOS - MAXPOS / 2);
+    stars[n].z[0] = (float)(rand() % MAXPOS + d);
+    if (rand()%4 == 0 && flag == WEIRD) {
+	stars[n].offsetX = (float)(rand() % 100 - 100 / 2);
+	stars[n].offsetY = (float)(rand() % 100 - 100 / 2);
+	stars[n].offsetR = (float)(rand() % 25 - 25 / 2);
+    } else {
+	stars[n].offsetX = 0.0;
+	stars[n].offsetY = 0.0;
+	stars[n].offsetR = 0.0;
+    }
+}
+
+void RotatePoint(float *x, float *y, float rotation)
+{
+    float tmpX, tmpY;
+
+    tmpX = *x * Cos(rotation) - *y * Sin(rotation);
+    tmpY = *y * Cos(rotation) + *x * Sin(rotation);
+    *x = tmpX;
+    *y = tmpY;
+}
+
+void MoveStars(void)
+{
+    float offset;
+    GLint n;
+    static double t0 = -1.;
+    double t, dt;
+    t = glutGet(GLUT_ELAPSED_TIME) / 1000.;
+    if (t0 < 0.)
+       t0 = t;
+    dt = 85.*(t - t0);
+    t0 = t;
+
+    offset = speed * 60.0;
+
+    for (n = 0; n < starCount; n++) {
+	stars[n].x[1] = stars[n].x[0];
+	stars[n].y[1] = stars[n].y[0];
+	stars[n].z[1] = stars[n].z[0];
+	stars[n].x[0] += stars[n].offsetX*dt;
+	stars[n].y[0] += stars[n].offsetY*dt;
+	stars[n].z[0] -= offset*dt;
+        stars[n].rotation += stars[n].offsetR*dt;
+        if (stars[n].rotation > MAXANGLES) {
+            stars[n].rotation = 0.0;
+	}
+        else if (stars[n].rotation < 0.0) {
+           stars[n].rotation += 360.0;
+        }
+    }
+}
+
+GLenum StarPoint(GLint n)
+{
+    float x0, y0, x1, y1, width;
+    GLint i;
+
+    x0 = stars[n].x[0] * windW / stars[n].z[0];
+    y0 = stars[n].y[0] * windH / stars[n].z[0];
+    RotatePoint(&x0, &y0, stars[n].rotation);
+    x0 += windW / 2.0;
+    y0 += windH / 2.0;
+
+    if (x0 >= 0.0 && x0 < windW && y0 >= 0.0 && y0 < windH) {
+	if (stars[n].type == STREAK) {
+	    x1 = stars[n].x[1] * windW / stars[n].z[1];
+	    y1 = stars[n].y[1] * windH / stars[n].z[1];
+	    RotatePoint(&x1, &y1, stars[n].rotation);
+	    x1 += windW / 2.0;
+	    y1 += windH / 2.0;
+
+	    glLineWidth(MAXPOS/100.0/stars[n].z[0]+1.0);
+	    glColor3f(1.0, (MAXWARP-speed)/MAXWARP, (MAXWARP-speed)/MAXWARP);
+	    if (fabs(x0-x1) < 1.0 && fabs(y0-y1) < 1.0) {
+		glBegin(GL_POINTS);
+		    glVertex2f(x0, y0);
+		glEnd();
+	    } else {
+		glBegin(GL_LINES);
+		    glVertex2f(x0, y0);
+		    glVertex2f(x1, y1);
+		glEnd();
+	    }
+	} else {
+	    width = MAXPOS / 10.0 / stars[n].z[0] + 1.0;
+	    glColor3f(1.0, 0.0, 0.0);
+	    glBegin(GL_POLYGON);
+		for (i = 0; i < 8; i++) {
+		    float x = x0 + width * Cos((float)i*MAXANGLES/8.0);
+		    float y = y0 + width * Sin((float)i*MAXANGLES/8.0);
+		    glVertex2f(x, y);
+		};
+	    glEnd();
+	}
+	return GL_TRUE;
+    } else {
+	return GL_FALSE;
+    }
+}
+
+void ShowStars(void)
+{
+    GLint n;
+
+    glClear(GL_COLOR_BUFFER_BIT);
+
+    for (n = 0; n < starCount; n++) {
+	if (stars[n].z[0] > speed || (stars[n].z[0] > 0.0 && speed < MAXWARP)) {
+	    if (StarPoint(n) == GL_FALSE) {
+		NewStar(n, MAXPOS);
+	    }
+	} else {
+	    NewStar(n, MAXPOS);
+	}
+    }
+}
+
+static void Init(void)
+{
+    float angle;
+    GLint n;
+
+    srand((unsigned int) glutGet(GLUT_ELAPSED_TIME) );
+
+    for (n = 0; n < MAXSTARS; n++) {
+	NewStar(n, 100);
+    }
+
+    angle = 0.0;
+    for (n = 0; n < MAXANGLES ; n++) {
+	sinTable[n] = sin(angle);
+        angle += PI / (MAXANGLES / 2.0);
+    }
+
+    glClearColor(0.0, 0.0, 0.0, 0.0);
+
+    glDisable(GL_DITHER);
+}
+
+void Reshape(int width, int height)
+{
+
+    windW = (GLint)width;
+    windH = (GLint)height;
+
+    glViewport(0, 0, windW, windH);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    gluOrtho2D(-0.5, windW+0.5, -0.5, windH+0.5);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      case 32:
+	flag = (flag == NORMAL) ? WEIRD : NORMAL;
+	break;
+      case 't':
+	nitro = 1;
+	break;
+      default:
+	return;
+    }
+}
+
+void Draw(void)
+{
+
+    MoveStars();
+    ShowStars();
+    if (nitro > 0) {
+	speed = (float)(nitro / 10) + 1.0;
+	if (speed > MAXWARP) {
+	    speed = MAXWARP;
+	}
+	if (++nitro > MAXWARP*10) {
+	    nitro = -nitro;
+	}
+    } else if (nitro < 0) {
+	nitro++;
+	speed = (float)(-nitro / 10) + 1.0;
+	if (speed > MAXWARP) {
+	    speed = MAXWARP;
+	}
+    }
+
+    glFlush();
+    if (doubleBuffer) {
+	glutSwapBuffers();
+    }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_TRUE;
+
+    for (i = 1; i < argc; i++) {
+	if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	}
+    }
+    return GL_TRUE;
+}
+
+#if !defined(GLUTCALLBACK)
+#define GLUTCALLBACK
+#endif
+
+void GLUTCALLBACK glut_post_redisplay_p(void)
+{
+      glutPostRedisplay();
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    windW = 300;
+    windH = 300;
+    glutInitWindowPosition(0, 0); glutInitWindowSize( 300, 300);
+
+    type = GLUT_RGB;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("Stars") == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutIdleFunc(glut_post_redisplay_p);
+    glutMainLoop();
+	return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/samples/stencil.c b/nx-X11/extras/Mesa_6.4.2/progs/samples/stencil.c
new file mode 100644
index 000000000..e00bbb61b
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/samples/stencil.c
@@ -0,0 +1,143 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+#include <GL/glut.h>
+
+
+static void Init(void)
+{
+   glShadeModel(GL_FLAT);
+    glClearColor(0.0, 0.0, 0.0, 0.0);
+
+    glClearStencil(0);
+    glStencilMask(1);
+    glEnable(GL_STENCIL_TEST);
+}
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glOrtho(-5.0, 5.0, -5.0, 5.0, -5.0, 5.0);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+    }
+}
+
+static void Draw(void)
+{
+
+    glClear(GL_COLOR_BUFFER_BIT|GL_STENCIL_BUFFER_BIT);
+
+    glStencilFunc(GL_ALWAYS, 1, 1);
+    glStencilOp(GL_KEEP, GL_KEEP, GL_REPLACE);
+
+    glColor3ub(200, 0, 0);
+    glBegin(GL_POLYGON);        
+	glVertex3i(-4, -4, 0);
+	glVertex3i( 4, -4, 0);
+	glVertex3i( 0,  4, 0);
+    glEnd();
+
+    glStencilFunc(GL_EQUAL, 1, 1);
+    glStencilOp(GL_INCR, GL_KEEP, GL_DECR);
+
+    glColor3ub(0, 200, 0);
+    glBegin(GL_POLYGON);
+	glVertex3i(3, 3, 0);
+	glVertex3i(-3, 3, 0);
+	glVertex3i(-3, -3, 0);
+	glVertex3i(3, -3, 0);
+    glEnd();
+
+    glStencilFunc(GL_EQUAL, 1, 1);
+    glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
+
+    glColor3ub(0, 0, 200);
+    glBegin(GL_POLYGON);
+	glVertex3i(3, 3, 0);
+	glVertex3i(-3, 3, 0);
+	glVertex3i(-3, -3, 0);
+	glVertex3i(3, -3, 0);
+    glEnd();
+
+    glFlush();
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+
+    for (i = 1; i < argc; i++) {
+	if (strcmp(argv[i], "-dr") == 0) {
+	} else {
+	    printf("%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(0, 0); glutInitWindowSize( 300, 300);
+
+    type = GLUT_RGB | GLUT_SINGLE | GLUT_STENCIL;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("Stencil Test") == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/samples/stretch.c b/nx-X11/extras/Mesa_6.4.2/progs/samples/stretch.c
new file mode 100644
index 000000000..1fd015d79
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/samples/stretch.c
@@ -0,0 +1,390 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+#include <GL/glut.h>
+
+
+#define STEPCOUNT 40
+#define FALSE 0
+#define TRUE 1
+#define MAX(a, b) (((a) > (b)) ? (a) : (b))
+#define MIN(a, b) (((a) < (b)) ? (a) : (b))
+
+
+enum {
+    OP_NOOP = 0,
+    OP_STRETCH,
+    OP_DRAWPOINT,
+    OP_DRAWIMAGE
+};
+
+
+typedef struct _cRec {
+    float x, y;
+} cRec;
+
+typedef struct _vertexRec {
+    float x, y;
+    float dX, dY;
+    float tX, tY;
+} vertexRec;
+
+
+#include "loadppm.c"
+
+GLenum doubleBuffer;
+int imageSizeX, imageSizeY;
+char *fileName = 0;
+PPMImage *image;
+cRec cList[50];
+vertexRec vList[5];
+int cCount, cIndex[2], cStep;
+GLenum op = OP_NOOP;
+
+
+void DrawImage(void)
+{
+
+    glRasterPos2i(0, 0);
+    glDrawPixels(image->sizeX, image->sizeY, GL_RGB, GL_UNSIGNED_BYTE,
+		 image->data);
+
+    glFlush();
+    if (doubleBuffer) {
+	glutSwapBuffers();
+    }
+
+    glRasterPos2i(0, 0);
+    glDrawPixels(image->sizeX, image->sizeY, GL_RGB, GL_UNSIGNED_BYTE,
+		 image->data);
+}
+
+void DrawPoint(void)
+{
+    int i;
+
+    glColor3f(1.0, 0.0, 1.0);
+    glPointSize(3.0);
+    glBegin(GL_POINTS);
+	for (i = 0; i < cCount; i++) {
+	    glVertex2f(cList[i].x, cList[i].y);
+	}
+    glEnd();
+
+    glFlush();
+    if (doubleBuffer) {
+	glutSwapBuffers();
+    }
+}
+
+void InitVList(void)
+{
+
+    vList[0].x = 0.0;
+    vList[0].y = 0.0;
+    vList[0].dX = 0.0;
+    vList[0].dY = 0.0;
+    vList[0].tX = 0.0;
+    vList[0].tY = 0.0;
+
+    vList[1].x = (float)imageSizeX;
+    vList[1].y = 0.0;
+    vList[1].dX = 0.0;
+    vList[1].dY = 0.0;
+    vList[1].tX = 1.0;
+    vList[1].tY = 0.0;
+
+    vList[2].x = (float)imageSizeX;
+    vList[2].y = (float)imageSizeY;
+    vList[2].dX = 0.0;
+    vList[2].dY = 0.0;
+    vList[2].tX = 1.0;
+    vList[2].tY = 1.0;
+
+    vList[3].x = 0.0;
+    vList[3].y = (float)imageSizeY;
+    vList[3].dX = 0.0;
+    vList[3].dY = 0.0;
+    vList[3].tX = 0.0;
+    vList[3].tY = 1.0;
+
+    vList[4].x = cList[0].x;
+    vList[4].y = cList[0].y;
+    vList[4].dX = (cList[1].x - cList[0].x) / STEPCOUNT;
+    vList[4].dY = (cList[1].y - cList[0].y) / STEPCOUNT;
+    vList[4].tX = cList[0].x / (float)imageSizeX;
+    vList[4].tY = cList[0].y / (float)imageSizeY;
+}
+
+void ScaleImage(int sizeX, int sizeY)
+{
+    GLubyte *buf;
+
+    buf = (GLubyte *)malloc(3*sizeX*sizeY);
+    gluScaleImage(GL_RGB, image->sizeX, image->sizeY, GL_UNSIGNED_BYTE,
+                  image->data, sizeX, sizeY, GL_UNSIGNED_BYTE, buf);
+    free(image->data);
+    image->data = buf;
+    image->sizeX = sizeX;
+    image->sizeY = sizeY;
+}
+
+void SetPoint(int x, int y)
+{
+
+    cList[cCount].x = (float)x;
+    cList[cCount].y = (float)y;
+    cCount++;
+}
+
+void Stretch(void)
+{
+
+    glBegin(GL_TRIANGLES);
+	glTexCoord2f(vList[0].tX, vList[0].tY);
+	glVertex2f(vList[0].x, vList[0].y);
+	glTexCoord2f(vList[1].tX, vList[1].tY);
+	glVertex2f(vList[1].x, vList[1].y);
+	glTexCoord2f(vList[4].tX, vList[4].tY);
+	glVertex2f(vList[4].x, vList[4].y);
+    glEnd();
+
+    glBegin(GL_TRIANGLES);
+	glTexCoord2f(vList[1].tX, vList[1].tY);
+	glVertex2f(vList[1].x, vList[1].y);
+	glTexCoord2f(vList[2].tX, vList[2].tY);
+	glVertex2f(vList[2].x, vList[2].y);
+	glTexCoord2f(vList[4].tX, vList[4].tY);
+	glVertex2f(vList[4].x, vList[4].y);
+    glEnd();
+
+    glBegin(GL_TRIANGLES);
+	glTexCoord2f(vList[2].tX, vList[2].tY);
+	glVertex2f(vList[2].x, vList[2].y);
+	glTexCoord2f(vList[3].tX, vList[3].tY);
+	glVertex2f(vList[3].x, vList[3].y);
+	glTexCoord2f(vList[4].tX, vList[4].tY);
+	glVertex2f(vList[4].x, vList[4].y);
+    glEnd();
+
+    glBegin(GL_TRIANGLES);
+	glTexCoord2f(vList[3].tX, vList[3].tY);
+	glVertex2f(vList[3].x, vList[3].y);
+	glTexCoord2f(vList[0].tX, vList[0].tY);
+	glVertex2f(vList[0].x, vList[0].y);
+	glTexCoord2f(vList[4].tX, vList[4].tY);
+	glVertex2f(vList[4].x, vList[4].y);
+    glEnd();
+
+    glFlush();
+    if (doubleBuffer) {
+	glutSwapBuffers();
+    }
+
+    if (++cStep < STEPCOUNT) {
+	vList[4].x += vList[4].dX;
+	vList[4].y += vList[4].dY;
+    } else {
+	cIndex[0] = cIndex[1];
+	cIndex[1] = cIndex[1] + 1;
+	if (cIndex[1] == cCount) {
+	    cIndex[1] = 0;
+	}
+	vList[4].dX = (cList[cIndex[1]].x - cList[cIndex[0]].x) / STEPCOUNT;
+	vList[4].dY = (cList[cIndex[1]].y - cList[cIndex[0]].y) / STEPCOUNT;
+	cStep = 0;
+    }
+}
+
+void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	free(image->data);
+        exit(1);
+      case 32:
+	if (cCount > 1) {
+	    InitVList();
+	    cIndex[0] = 0;
+	    cIndex[1] = 1;
+	    cStep = 0;
+	    glEnable(GL_TEXTURE_2D);
+	    op = OP_STRETCH;
+	}
+	break;
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+void Mouse(int button, int state, int mouseX, int mouseY)
+{
+
+    if (state != GLUT_DOWN)
+	return;
+
+    if (op == OP_STRETCH) {
+	glDisable(GL_TEXTURE_2D);
+	cCount = 0;
+	op = OP_DRAWIMAGE;
+    } else {
+	SetPoint(mouseX, imageSizeY-mouseY);
+	op = OP_DRAWPOINT;
+    }
+
+    glutPostRedisplay();
+}
+
+void Animate(void)
+{
+    static double t0 = -1.;
+    double t, dt;
+    t = glutGet(GLUT_ELAPSED_TIME) / 1000.;
+    if (t0 < 0.)
+       t0 = t;
+    dt = t - t0;
+
+    if (dt < 1./60.)
+        return;
+
+    t0 = t;
+
+    switch (op) {
+      case OP_STRETCH:
+	Stretch();
+	break;
+      case OP_DRAWPOINT:
+	DrawPoint();
+	break;
+      case OP_DRAWIMAGE:
+	DrawImage();
+	break;
+      default:
+        break;
+    }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_TRUE;
+
+    for (i = 1; i < argc; i++) {
+	if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else if (strcmp(argv[i], "-f") == 0) {
+	    if (i+1 >= argc || argv[i+1][0] == '-') {
+		printf("-f (No file name).\n");
+		return GL_FALSE;
+	    } else {
+		fileName = argv[++i];
+	    }
+	} else {
+	    printf("%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+#if !defined(GLUTCALLBACK)
+#define GLUTCALLBACK
+#endif
+
+void GLUTCALLBACK glut_post_redisplay_p(void)
+{
+      glutPostRedisplay();
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    if (fileName == 0) {
+	printf("No image file.\n");
+	exit(1);
+    }
+
+    image = LoadPPM(fileName);
+
+    /* changed powf and logf to pow and log -Brian */
+    imageSizeX = (int)pow(2.0, (float)((int)(log(image->sizeX)/log(2.0))));
+    imageSizeY = (int)pow(2.0, (float)((int)(log(image->sizeY)/log(2.0))));
+
+    glutInitWindowPosition(0, 0); glutInitWindowSize( imageSizeX, imageSizeY);
+
+    type = GLUT_RGB;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("Stretch") == GL_FALSE) {
+        exit(1);
+    }
+
+    glViewport(0, 0, imageSizeX, imageSizeY);
+    gluOrtho2D(0, imageSizeX, 0, imageSizeY);
+    glClearColor(0.0, 0.0, 0.0, 0.0);
+
+    glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+    glPixelStorei(GL_PACK_ALIGNMENT, 1);
+
+    ScaleImage(imageSizeX, imageSizeY);
+
+    glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+    glTexImage2D(GL_TEXTURE_2D, 0, 3, image->sizeX, image->sizeY, 0,
+                 GL_RGB, GL_UNSIGNED_BYTE, (unsigned char *)image->data);
+
+    cCount = 0;
+    cIndex[0] = 0;
+    cIndex[1] = 0;
+    cStep = 0;
+    op = OP_DRAWIMAGE;
+
+    glutKeyboardFunc(Key);
+    glutMouseFunc(Mouse);
+    glutDisplayFunc(Animate);
+    glutIdleFunc(glut_post_redisplay_p);
+    glutMainLoop();
+	return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/samples/texture.c b/nx-X11/extras/Mesa_6.4.2/progs/samples/texture.c
new file mode 100644
index 000000000..7ee41eef2
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/samples/texture.c
@@ -0,0 +1,474 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <math.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#include "loadppm.c"
+
+GLenum doubleBuffer;
+
+char *texFileName = 0;
+PPMImage *image;
+
+float *minFilter, *magFilter, *sWrapMode, *tWrapMode;
+float decal[] = {GL_DECAL};
+float modulate[] = {GL_MODULATE};
+float repeat[] = {GL_REPEAT};
+float clamp[] = {GL_CLAMP};
+float nr[] = {GL_NEAREST};
+float ln[] = {GL_LINEAR};
+float nr_mipmap_nr[] = {GL_NEAREST_MIPMAP_NEAREST};
+float nr_mipmap_ln[] = {GL_NEAREST_MIPMAP_LINEAR};
+float ln_mipmap_nr[] = {GL_LINEAR_MIPMAP_NEAREST};
+float ln_mipmap_ln[] = {GL_LINEAR_MIPMAP_LINEAR};
+GLint sphereMap[] = {GL_SPHERE_MAP};
+
+GLenum doSphere = GL_FALSE;
+float xRotation = 0.0, yRotation = 0.0, zTranslate = -3.125;
+
+GLint cube;
+float c[6][4][3] = {
+    {
+	{
+	    1.0, 1.0, -1.0
+	},
+	{
+	    -1.0, 1.0, -1.0
+	},
+	{
+	    -1.0, -1.0, -1.0
+	},
+	{
+	    1.0, -1.0, -1.0
+	}
+    },
+    {
+	{
+	    1.0, 1.0, 1.0
+	},
+	{
+	    1.0, 1.0, -1.0
+	},
+	{
+	    1.0, -1.0, -1.0
+	},
+	{
+	    1.0, -1.0, 1.0
+	}
+    },
+    {
+	{
+	    -1.0, 1.0, 1.0
+	},
+	{
+	    1.0, 1.0, 1.0
+	},
+	{
+	    1.0, -1.0, 1.0
+	},
+	{
+	    -1.0, -1.0, 1.0
+	}
+    },
+    {
+	{
+	    -1.0, 1.0, -1.0
+	},
+	{
+	    -1.0, 1.0, 1.0
+	},
+	{
+	    -1.0, -1.0, 1.0
+	},
+	{
+	    -1.0, -1.0, -1.0
+	}
+    },
+    {
+	{
+	    -1.0, 1.0, 1.0
+	},
+	{
+	    -1.0, 1.0, -1.0
+	},
+	{
+	    1.0, 1.0, -1.0
+	},
+	{
+	    1.0, 1.0, 1.0
+	}
+    },
+    {
+	{
+	    -1.0, -1.0, -1.0
+	},
+	{
+	    -1.0, -1.0, 1.0
+	},
+	{
+	    1.0, -1.0, 1.0
+	},
+	{
+	    1.0, -1.0, -1.0
+	}
+    }
+};
+static float n[6][3] = {
+    {
+	0.0, 0.0, -1.0
+    },
+    {
+	1.0, 0.0, 0.0
+    },
+    {
+	0.0, 0.0, 1.0
+    },
+    {
+	-1.0, 0.0, 0.0
+    },
+    {
+	0.0, 1.0, 0.0
+    },
+    {
+	0.0, -1.0, 0.0
+    }
+};
+static float t[6][4][2] = {
+    {
+	{
+	    1.1,  1.1
+	},
+	{
+	    -0.1, 1.1
+	},
+	{
+	    -0.1, -0.1
+	},
+	{
+	    1.1,  -0.1
+	}
+    },
+    {
+	{
+	    1.1,  1.1
+	},
+	{
+	    -0.1, 1.1
+	},
+	{
+	    -0.1, -0.1
+	},
+	{
+	    1.1,  -0.1
+	}
+    },
+    {
+	{
+	    -0.1,  1.1
+	},
+	{
+	    1.1, 1.1
+	},
+	{
+	    1.1, -0.1
+	},
+	{
+	    -0.1,  -0.1
+	}
+    },
+    {
+	{
+	    1.1,  1.1
+	},
+	{
+	    -0.1, 1.1
+	},
+	{
+	    -0.1, -0.1
+	},
+	{
+	    1.1,  -0.1
+	}
+    },
+    {
+	{
+	    1.1,  1.1
+	},
+	{
+	    -0.1, 1.1
+	},
+	{
+	    -0.1, -0.1
+	},
+	{
+	    1.1,  -0.1
+	}
+    },
+    {
+	{
+	    1.1,  1.1
+	},
+	{
+	    -0.1, 1.1
+	},
+	{
+	    -0.1, -0.1
+	},
+	{
+	    1.1,  -0.1
+	}
+    },
+};
+
+static void BuildCube(void)
+{
+    GLint i;
+
+    glNewList(cube, GL_COMPILE);
+    for (i = 0; i < 6; i++) {
+	glBegin(GL_POLYGON);
+	    glNormal3fv(n[i]); glTexCoord2fv(t[i][0]); glVertex3fv(c[i][0]);
+	    glNormal3fv(n[i]); glTexCoord2fv(t[i][1]); glVertex3fv(c[i][1]);
+	    glNormal3fv(n[i]); glTexCoord2fv(t[i][2]); glVertex3fv(c[i][2]);
+	    glNormal3fv(n[i]); glTexCoord2fv(t[i][3]); glVertex3fv(c[i][3]);
+	glEnd();
+    }
+    glEndList();
+}
+
+static void BuildLists(void)
+{
+
+    cube = glGenLists(1);
+    BuildCube();
+}
+
+static void Init(void)
+{
+
+    glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+    gluBuild2DMipmaps(GL_TEXTURE_2D, 3, image->sizeX, image->sizeY,
+		      GL_RGB, GL_UNSIGNED_BYTE, image->data);
+    glTexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, decal);
+    glEnable(GL_TEXTURE_2D);
+
+    glFrontFace(GL_CCW);
+    glCullFace(GL_FRONT);
+    glEnable(GL_CULL_FACE);
+
+    BuildLists();
+
+    glClearColor(0.0, 0.0, 0.0, 0.0);
+
+    magFilter = nr;
+    minFilter = nr;
+    sWrapMode = repeat;
+    tWrapMode = repeat;
+}
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    gluPerspective(145.0, 1.0, 0.01, 1000);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key2(int key, int x, int y)
+{
+
+    switch (key) {
+      case GLUT_KEY_LEFT:
+	yRotation -= 0.5;
+	break;
+      case GLUT_KEY_RIGHT:
+	yRotation += 0.5;
+	break;
+      case GLUT_KEY_UP:
+	xRotation -= 0.5;
+	break;
+      case GLUT_KEY_DOWN:
+	xRotation += 0.5;
+	break;
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+
+      case 'T':
+	zTranslate += 0.25;
+	break;
+      case 't':
+	zTranslate -= 0.25;
+	break;
+
+      case 's':
+	doSphere = !doSphere;
+	if (doSphere) {
+	    glTexGeniv(GL_S, GL_TEXTURE_GEN_MODE, sphereMap);
+	    glTexGeniv(GL_T, GL_TEXTURE_GEN_MODE, sphereMap);
+	    glEnable(GL_TEXTURE_GEN_S);
+	    glEnable(GL_TEXTURE_GEN_T);
+	} else {
+	    glDisable(GL_TEXTURE_GEN_S);
+	    glDisable(GL_TEXTURE_GEN_T);
+	}
+	break;
+
+      case '0':
+	magFilter = nr;
+	break;
+      case '1':
+	magFilter = ln;
+	break;
+      case '2':
+	minFilter = nr;
+	break;
+      case '3':
+	minFilter = ln;
+	break;
+      case '4':
+	minFilter = nr_mipmap_nr;
+	break;
+      case '5':
+	minFilter = nr_mipmap_ln;
+	break;
+      case '6':
+	minFilter = ln_mipmap_nr;
+	break;
+      case '7':
+	minFilter = ln_mipmap_ln;
+	break;
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+
+    glClear(GL_COLOR_BUFFER_BIT);
+
+    glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, sWrapMode);
+    glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, tWrapMode);
+    glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, magFilter);
+    glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, minFilter);
+
+    glPushMatrix();
+
+    glTranslatef(0.0, 0.0, zTranslate);
+    glRotatef(xRotation, 1, 0, 0);
+    glRotatef(yRotation, 0, 1, 0);
+    glCallList(cube);
+
+    glPopMatrix();
+
+    glFlush();
+
+    if (doubleBuffer) {
+	glutSwapBuffers();
+    }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+	if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else if (strcmp(argv[i], "-f") == 0) {
+	    if (i+1 >= argc || argv[i+1][0] == '-') {
+		printf("-f (No file name).\n");
+		return GL_FALSE;
+	    } else {
+		texFileName = argv[++i];
+	    }
+	} else {
+	    printf("%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    if (texFileName == 0) {
+	printf("No image file.\n");
+	exit(1);
+    }
+
+    image = LoadPPM(texFileName);
+
+    glutInitWindowPosition(0, 0); glutInitWindowSize( 300, 300);
+
+    type = GLUT_RGB;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("Texture Test") == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutSpecialFunc(Key2);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/samples/tkmap.c b/nx-X11/extras/Mesa_6.4.2/progs/samples/tkmap.c
new file mode 100644
index 000000000..3ded79cac
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/samples/tkmap.c
@@ -0,0 +1,71 @@
+
+enum {
+    COLOR_BLACK = 0,
+    COLOR_RED,
+    COLOR_GREEN,
+    COLOR_YELLOW,
+    COLOR_BLUE,
+    COLOR_MAGENTA,
+    COLOR_CYAN,
+    COLOR_WHITE
+};
+
+static float RGBMap[9][3] = {
+    {0, 0, 0},
+    {1, 0, 0},
+    {0, 1, 0},
+    {1, 1, 0},
+    {0, 0, 1},
+    {1, 0, 1},
+    {0, 1, 1},
+    {1, 1, 1},
+    {0.5, 0.5, 0.5}
+};
+
+static void SetColor(int c)
+{
+    if (glutGet(GLUT_WINDOW_RGBA))
+        glColor3fv(RGBMap[c]);
+    else
+        glIndexf(c);
+}
+
+static void InitMap(void)
+{
+    int i;
+
+    if (rgb)
+	return;
+
+    for (i = 0; i < 9; i++)
+	    glutSetColor(i, RGBMap[i][0], RGBMap[i][1], RGBMap[i][2]);
+}
+
+static void SetFogRamp(int density, int startIndex)
+{
+    int fogValues, colorValues;
+    int i, j, k;
+    float intensity;
+
+    fogValues = 1 << density;
+    colorValues = 1 << startIndex;
+    for (i = 0; i < colorValues; i++) {
+	for (j = 0; j < fogValues; j++) {
+	    k = i * fogValues + j;
+	    intensity = (i * fogValues + j * colorValues) / 255.0;
+	    glutSetColor(k, intensity, intensity, intensity);
+	}
+    }
+}
+
+static void SetGreyRamp(void)
+{
+    int i;
+    float intensity;
+
+    for (i = 0; i < 255; i++) {
+	intensity = i / 255.0;
+	glutSetColor(i, intensity, intensity, intensity);
+    }
+}
+
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/samples/tri.c b/nx-X11/extras/Mesa_6.4.2/progs/samples/tri.c
new file mode 100644
index 000000000..700325132
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/samples/tri.c
@@ -0,0 +1,403 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define	SOLID 1
+#define	LINE 2
+#define	POINT 3
+
+
+GLenum rgb, doubleBuffer, windType;
+GLint windW, windH;
+
+GLenum dithering = GL_TRUE;
+GLenum showVerticies = GL_TRUE;
+GLenum hideBottomTriangle = GL_FALSE;
+GLenum outline = GL_TRUE;
+GLenum culling = GL_FALSE;
+GLenum winding = GL_FALSE;
+GLenum face = GL_FALSE;
+GLenum state = SOLID;
+GLenum aaMode = GL_FALSE;
+GLenum shade = GL_TRUE;
+
+GLint color1, color2, color3;
+
+float zRotation = 90.0;
+float zoom = 1.0;
+
+float boxA[3] = {-100, -100, 0};
+float boxB[3] = { 100, -100, 0};
+float boxC[3] = { 100,  100, 0};
+float boxD[3] = {-100,  100, 0};
+
+float p0[3] = {-125,-80, 0};
+float p1[3] = {-125, 80, 0};
+float p2[3] = { 172,  0, 0};
+
+
+#include "tkmap.c"
+
+static void Init(void)
+{
+    float r, g, b;
+    float percent1, percent2;
+    GLint i, j;
+
+    glClearColor(0.0, 0.0, 0.0, 0.0);
+
+    glLineStipple(1, 0xF0F0);
+
+    glEnable(GL_SCISSOR_TEST);
+
+    if (!rgb) {
+	for (j = 0; j <= 12; j++) {
+	    if (j <= 6) {
+		percent1 = j / 6.0;
+		r = 1.0 - 0.8 * percent1;
+		g = 0.2 + 0.8 * percent1;
+		b = 0.2;
+	    } else {
+		percent1 = (j - 6) / 6.0;
+		r = 0.2;
+		g = 1.0 - 0.8 * percent1;
+		b = 0.2 + 0.8 * percent1;
+	    }
+	    glutSetColor(j+18, r, g, b);
+	    for (i = 0; i < 16; i++) {
+		percent2 = i / 15.0;
+		glutSetColor(j*16+1+32, r*percent2, g*percent2, b*percent2);
+	    }
+	}
+	color1 = 18;
+	color2 = 24;
+	color3 = 30;
+    }
+}
+
+static void Reshape(int width, int height)
+{
+
+    windW = (GLint)width;
+    windH = (GLint)height;
+}
+
+static void Key2(int key, int x, int y)
+{
+
+    switch (key) {
+      case GLUT_KEY_LEFT:
+	zRotation += 0.5;
+	break;
+      case GLUT_KEY_RIGHT:
+	zRotation -= 0.5;
+	break;
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      case 'Z':
+	zoom *= 0.75;
+	break;
+      case 'z':
+	zoom /= 0.75;
+	if (zoom > 10) {
+	    zoom = 10;
+	}
+	break;
+      case '1':
+	glPolygonMode(GL_FRONT_AND_BACK, GL_POINT);
+	break;
+      case '2':
+	glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
+	break;
+      case '3':
+	glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
+	break;
+      case '4':
+	state = POINT;
+	break;
+      case '5':
+	state = LINE;
+	break;
+      case '6':
+	state = SOLID;
+	break;
+      case '7':
+	culling = !culling;
+	break;
+      case '8':
+	winding = !winding;
+	break;
+      case '9':
+	face = !face;
+	break;
+      case 'v':
+	showVerticies = !showVerticies;
+	break;
+      case 's':
+	shade = !shade;
+	(shade) ? glShadeModel(GL_SMOOTH) : glShadeModel(GL_FLAT);
+	break;
+      case 'h':
+	hideBottomTriangle = !hideBottomTriangle;
+	break;
+      case 'o':
+	outline = !outline;
+	break;
+      case 'm':
+	dithering = !dithering;
+	break;
+      case '0':
+	aaMode = !aaMode;
+	if (aaMode) {
+	    glEnable(GL_POLYGON_SMOOTH);
+	    glEnable(GL_BLEND);
+	    glBlendFunc(GL_SRC_ALPHA, GL_ONE);
+	    if (!rgb) {
+		color1 = 32;
+		color2 = 128;
+		color3 = 224;
+	    }
+	} else {
+	    glDisable(GL_POLYGON_SMOOTH);
+	    glDisable(GL_BLEND);
+	    if (!rgb) {
+		color1 = 18;
+		color2 = 24;
+		color3 = 30;
+	    }
+	}
+	break;
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void BeginPrim(void)
+{
+
+    switch (state) {
+      case SOLID:
+	glBegin(GL_POLYGON);
+	break;
+      case LINE:
+	glBegin(GL_LINE_LOOP);
+	break;
+      case POINT:
+	glBegin(GL_POINTS);
+	break;
+      default:
+        break;
+    }
+}
+
+static void EndPrim(void)
+{
+
+    glEnd();
+}
+
+static void Draw(void)
+{
+    float scaleX, scaleY;
+
+    glViewport(0, 0, windW, windH);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    gluOrtho2D(-175, 175, -175, 175);
+    glMatrixMode(GL_MODELVIEW);
+
+    glScissor(0, 0, windW, windH);
+
+    (culling) ? glEnable(GL_CULL_FACE) : glDisable(GL_CULL_FACE);
+    (winding) ? glFrontFace(GL_CCW) : glFrontFace(GL_CW);
+    (face) ? glCullFace(GL_FRONT) : glCullFace(GL_BACK);
+
+    (dithering) ? glEnable(GL_DITHER) : glDisable(GL_DITHER);
+
+    glClear(GL_COLOR_BUFFER_BIT);
+
+    SetColor(COLOR_GREEN);
+    glBegin(GL_LINE_LOOP);
+	glVertex3fv(boxA);
+	glVertex3fv(boxB);
+	glVertex3fv(boxC);
+	glVertex3fv(boxD);
+    glEnd();
+
+    if (!hideBottomTriangle) {
+	glPushMatrix();
+
+	glScalef(zoom, zoom, zoom);
+	glRotatef(zRotation, 0, 0, 1);
+
+	SetColor(COLOR_BLUE);
+	BeginPrim();
+	    glVertex3fv(p0);
+	    glVertex3fv(p1);
+	    glVertex3fv(p2);
+	EndPrim();
+
+	if (showVerticies) {
+	    (rgb) ? glColor3fv(RGBMap[COLOR_RED]) : glIndexf(color1);
+	    glRectf(p0[0]-2, p0[1]-2, p0[0]+2, p0[1]+2);
+	    (rgb) ? glColor3fv(RGBMap[COLOR_GREEN]) : glIndexf(color2);
+	    glRectf(p1[0]-2, p1[1]-2, p1[0]+2, p1[1]+2);
+	    (rgb) ? glColor3fv(RGBMap[COLOR_BLUE]) : glIndexf(color3);
+	    glRectf(p2[0]-2, p2[1]-2, p2[0]+2, p2[1]+2);
+	}
+
+	glPopMatrix();
+    }
+
+    scaleX = (float)(windW - 20) / 2 / 175 * (175 - 100) + 10;
+    scaleY = (float)(windH - 20) / 2 / 175 * (175 - 100) + 10;
+
+    glViewport(scaleX, scaleY, windW-2*scaleX, windH-2*scaleY);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    gluOrtho2D(-100, 100, -100, 100);
+    glMatrixMode(GL_MODELVIEW);
+
+    glScissor(scaleX, scaleY, windW-2*scaleX, windH-2*scaleY);
+
+    glPushMatrix();
+
+    glScalef(zoom, zoom, zoom);
+    glRotatef(zRotation, 0,0,1);
+
+    glPointSize(10);
+    glLineWidth(5);
+    glEnable(GL_POINT_SMOOTH);
+    glEnable(GL_LINE_STIPPLE);
+    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+
+    SetColor(COLOR_RED);
+    BeginPrim();
+	(rgb) ? glColor3fv(RGBMap[COLOR_RED]) : glIndexf(color1);
+	glVertex3fv(p0);
+	(rgb) ? glColor3fv(RGBMap[COLOR_GREEN]) : glIndexf(color2);
+	glVertex3fv(p1);
+	(rgb) ? glColor3fv(RGBMap[COLOR_BLUE]) : glIndexf(color3);
+	glVertex3fv(p2);
+    EndPrim();
+
+    glPointSize(1);
+    glLineWidth(1);
+    glDisable(GL_POINT_SMOOTH);
+    glDisable(GL_LINE_STIPPLE);
+    glBlendFunc(GL_ONE, GL_ZERO);
+
+    if (outline) {
+	SetColor(COLOR_WHITE);
+	glBegin(GL_LINE_LOOP);
+	    glVertex3fv(p0);
+	    glVertex3fv(p1);
+	    glVertex3fv(p2);
+	glEnd();
+    }
+
+    glPopMatrix();
+
+    glFlush();
+
+    if (doubleBuffer) {
+	glutSwapBuffers();
+    }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    rgb = GL_TRUE;
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+	if (strcmp(argv[i], "-ci") == 0) {
+	    rgb = GL_FALSE;
+	} else if (strcmp(argv[i], "-rgb") == 0) {
+	    rgb = GL_TRUE;
+	} else if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    printf("%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    windW = 600;
+    windH = 300;
+    glutInitWindowPosition(0, 0); glutInitWindowSize( windW, windH);
+
+    windType = (rgb) ? GLUT_RGB : GLUT_INDEX;
+    windType |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(windType);
+
+    if (glutCreateWindow("Triangle Test") == GL_FALSE) {
+	exit(1);
+    }
+
+    InitMap();
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutSpecialFunc(Key2);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/samples/wave.c b/nx-X11/extras/Mesa_6.4.2/progs/samples/wave.c
new file mode 100644
index 000000000..d3c468745
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/samples/wave.c
@@ -0,0 +1,619 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <math.h>
+#include <GL/glut.h>
+
+#ifndef PI
+#define PI 3.14159265358979323846
+#endif
+
+#define GETCOORD(frame, x, y) (&(theMesh.coords[frame*theMesh.numCoords+(x)+(y)*(theMesh.widthX+1)]))
+#define GETFACET(frame, x, y) (&(theMesh.facets[frame*theMesh.numFacets+(x)+(y)*theMesh.widthX]))
+
+
+GLenum rgb, doubleBuffer;
+
+#include "tkmap.c"
+
+GLint colorIndexes1[3];
+GLint colorIndexes2[3];
+GLenum clearMask = GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT;
+
+GLenum smooth = GL_FALSE;
+GLenum lighting = GL_TRUE;
+GLenum depth = GL_TRUE;
+GLenum stepMode = GL_FALSE;
+GLenum spinMode = GL_FALSE;
+GLint contouring = 0;
+
+GLint widthX, widthY;
+GLint checkerSize;
+float height;
+
+GLint frames, curFrame = 0, nextFrame = 0;
+
+struct facet {
+    float color[3];
+    float normal[3];
+};
+struct coord {
+    float vertex[3];
+    float normal[3];
+};
+struct mesh {
+    GLint widthX, widthY;
+    GLint numFacets;
+    GLint numCoords;
+    GLint frames;
+    struct coord *coords;
+    struct facet *facets;
+} theMesh;
+
+GLubyte contourTexture1[] = {
+    255, 255, 255, 255,
+    255, 255, 255, 255,
+    255, 255, 255, 255,
+    127, 127, 127, 127,
+};
+GLubyte contourTexture2[] = {
+    255, 255, 255, 255,
+    255, 127, 127, 127,
+    255, 127, 127, 127,
+    255, 127, 127, 127,
+};
+
+#if !defined(GLUTCALLBACK)
+#define GLUTCALLBACK
+#endif
+
+
+void GLUTCALLBACK glut_post_redisplay_p(void)
+{
+    static double t0 = -1.;
+    double t, dt;
+    t = glutGet(GLUT_ELAPSED_TIME) / 1000.;
+    if (t0 < 0.)
+       t0 = t;
+    dt = t - t0;
+
+    if (dt < 1./30.)
+        return;
+
+    t0 = t;
+
+    glutPostRedisplay();
+}
+
+static void Animate(void)
+{
+    struct coord *coord;
+    struct facet *facet;
+    float *lastColor;
+    float *thisColor;
+    GLint i, j;
+
+    glClear(clearMask);
+
+    if (nextFrame || !stepMode) {
+	curFrame++;
+    }
+    if (curFrame >= theMesh.frames) {
+	curFrame = 0;
+    }
+
+    if ((nextFrame || !stepMode) && spinMode) {
+	glRotatef(5.0, 0.0, 0.0, 1.0);
+    }
+    nextFrame = 0;
+
+    for (i = 0; i < theMesh.widthX; i++) {
+	glBegin(GL_QUAD_STRIP);
+	lastColor = NULL;
+	for (j = 0; j < theMesh.widthY; j++) {
+	    facet = GETFACET(curFrame, i, j);
+	    if (!smooth && lighting) {
+		glNormal3fv(facet->normal);
+	    }
+	    if (lighting) {
+		if (rgb) {
+		    thisColor = facet->color;
+		    glColor3fv(facet->color);
+		} else {
+		    thisColor = facet->color;
+		    glMaterialfv(GL_FRONT_AND_BACK, GL_COLOR_INDEXES,
+				 facet->color);
+		}
+	    } else {
+		if (rgb) {
+		    thisColor = facet->color;
+		    glColor3fv(facet->color);
+		} else {
+		    thisColor = facet->color;
+		    glIndexf(facet->color[1]);
+		}
+	    }
+
+	    if (!lastColor || (thisColor[0] != lastColor[0] && smooth)) {
+		if (lastColor) {
+		    glEnd();
+		    glBegin(GL_QUAD_STRIP);
+		}
+		coord = GETCOORD(curFrame, i, j);
+		if (smooth && lighting) {
+		    glNormal3fv(coord->normal);
+		}
+		glVertex3fv(coord->vertex);
+
+		coord = GETCOORD(curFrame, i+1, j);
+		if (smooth && lighting) {
+		    glNormal3fv(coord->normal);
+		}
+		glVertex3fv(coord->vertex);
+	    }
+
+	    coord = GETCOORD(curFrame, i, j+1);
+	    if (smooth && lighting) {
+		glNormal3fv(coord->normal);
+	    }
+	    glVertex3fv(coord->vertex);
+
+	    coord = GETCOORD(curFrame, i+1, j+1);
+	    if (smooth && lighting) {
+		glNormal3fv(coord->normal);
+	    }
+	    glVertex3fv(coord->vertex);
+
+	    lastColor = thisColor;
+	}
+	glEnd();
+    }
+
+    glFlush();
+    if (doubleBuffer) {
+	glutSwapBuffers();
+    }
+}
+
+static void SetColorMap(void)
+{
+    static float green[3] = {0.2, 1.0, 0.2};
+    static float red[3] = {1.0, 0.2, 0.2};
+    float *color = 0, percent;
+    GLint *indexes = 0, entries, i, j;
+
+    entries = glutGet(GLUT_WINDOW_COLORMAP_SIZE);
+
+    colorIndexes1[0] = 1;
+    colorIndexes1[1] = 1 + (GLint)((entries - 1) * 0.3);
+    colorIndexes1[2] = (GLint)((entries - 1) * 0.5);
+    colorIndexes2[0] = 1 + (GLint)((entries - 1) * 0.5);
+    colorIndexes2[1] = 1 + (GLint)((entries - 1) * 0.8);
+    colorIndexes2[2] = entries - 1;
+
+    for (i = 0; i < 2; i++) {
+	switch (i) {
+	  case 0:
+	    color = green;
+	    indexes = colorIndexes1;
+	    break;
+	  case 1:
+	    color = red;
+	    indexes = colorIndexes2;
+	    break;
+	}
+
+	for (j = indexes[0]; j < indexes[1]; j++) {
+	    percent = 0.2 + 0.8 * (j - indexes[0]) /
+		      (float)(indexes[1] - indexes[0]);
+	    glutSetColor(j, percent*color[0], percent*color[1],
+			   percent*color[2]);
+	}
+	for (j=indexes[1]; j<=indexes[2]; j++) {
+	    percent = (j - indexes[1]) / (float)(indexes[2] - indexes[1]);
+	    glutSetColor(j, percent*(1-color[0])+color[0],
+			   percent*(1-color[1])+color[1],
+			   percent*(1-color[2])+color[2]);
+	}
+    }
+}
+
+static void InitMesh(void)
+{
+    struct coord *coord;
+    struct facet *facet;
+    float dp1[3], dp2[3];
+    float *pt1, *pt2, *pt3;
+    float angle, d, x, y;
+    GLint numFacets, numCoords, frameNum, i, j;
+
+    theMesh.widthX = widthX;
+    theMesh.widthY = widthY;
+    theMesh.frames = frames;
+
+    numFacets = widthX * widthY;
+    numCoords = (widthX + 1) * (widthY + 1);
+
+    theMesh.numCoords = numCoords;
+    theMesh.numFacets = numFacets;
+
+    theMesh.coords = (struct coord *)malloc(frames*numCoords*
+					    sizeof(struct coord));
+    theMesh.facets = (struct facet *)malloc(frames*numFacets*
+					    sizeof(struct facet));
+    if (theMesh.coords == NULL || theMesh.facets == NULL) {
+	printf("Out of memory.\n");
+	exit(1);
+    }
+
+    for (frameNum = 0; frameNum < frames; frameNum++) {
+	for (i = 0; i <= widthX; i++) {
+	    x = i / (float)widthX;
+	    for (j = 0; j <= widthY; j++) {
+		y = j / (float)widthY;
+
+		d = sqrt(x*x+y*y);
+		if (d == 0.0) {
+		    d = 0.0001;
+		}
+		angle = 2 * PI * d + (2 * PI / frames * frameNum);
+
+		coord = GETCOORD(frameNum, i, j);
+
+		coord->vertex[0] = x - 0.5;
+		coord->vertex[1] = y - 0.5;
+		coord->vertex[2] = (height - height * d) * cos(angle);
+
+		coord->normal[0] = -(height / d) * x * ((1 - d) * 2 * PI *
+				   sin(angle) + cos(angle));
+		coord->normal[1] = -(height / d) * y * ((1 - d) * 2 * PI *
+				   sin(angle) + cos(angle));
+		coord->normal[2] = -1;
+
+		d = 1.0 / sqrt(coord->normal[0]*coord->normal[0]+
+			       coord->normal[1]*coord->normal[1]+1);
+		coord->normal[0] *= d;
+		coord->normal[1] *= d;
+		coord->normal[2] *= d;
+	    }
+	}
+	for (i = 0; i < widthX; i++) {
+	    for (j = 0; j < widthY; j++) {
+		facet = GETFACET(frameNum, i, j);
+		if (((i/checkerSize)%2)^(j/checkerSize)%2) {
+		    if (rgb) {
+			facet->color[0] = 1.0;
+			facet->color[1] = 0.2;
+			facet->color[2] = 0.2;
+		    } else {
+			facet->color[0] = colorIndexes1[0];
+			facet->color[1] = colorIndexes1[1];
+			facet->color[2] = colorIndexes1[2];
+		    }
+		} else {
+		    if (rgb) {
+			facet->color[0] = 0.2;
+			facet->color[1] = 1.0;
+			facet->color[2] = 0.2;
+		    } else {
+			facet->color[0] = colorIndexes2[0];
+			facet->color[1] = colorIndexes2[1];
+			facet->color[2] = colorIndexes2[2];
+		    }
+		}
+		pt1 = GETCOORD(frameNum, i, j)->vertex;
+		pt2 = GETCOORD(frameNum, i, j+1)->vertex;
+		pt3 = GETCOORD(frameNum, i+1, j+1)->vertex;
+
+		dp1[0] = pt2[0] - pt1[0];
+		dp1[1] = pt2[1] - pt1[1];
+		dp1[2] = pt2[2] - pt1[2];
+
+		dp2[0] = pt3[0] - pt2[0];
+		dp2[1] = pt3[1] - pt2[1];
+		dp2[2] = pt3[2] - pt2[2];
+
+		facet->normal[0] = dp1[1] * dp2[2] - dp1[2] * dp2[1];
+		facet->normal[1] = dp1[2] * dp2[0] - dp1[0] * dp2[2];
+		facet->normal[2] = dp1[0] * dp2[1] - dp1[1] * dp2[0];
+
+		d = 1.0 / sqrt(facet->normal[0]*facet->normal[0]+
+			       facet->normal[1]*facet->normal[1]+
+			       facet->normal[2]*facet->normal[2]);
+
+		facet->normal[0] *= d;
+		facet->normal[1] *= d;
+		facet->normal[2] *= d;
+	    }
+	}
+    }
+}
+
+static void InitMaterials(void)
+{
+    static float ambient[] = {0.1, 0.1, 0.1, 1.0};
+    static float diffuse[] = {0.5, 1.0, 1.0, 1.0};
+    static float position[] = {90.0, 90.0, 150.0, 0.0};
+    static float front_mat_shininess[] = {60.0};
+    static float front_mat_specular[] = {0.2, 0.2, 0.2, 1.0};
+    static float front_mat_diffuse[] = {0.5, 0.28, 0.38, 1.0};
+    static float back_mat_shininess[] = {60.0};
+    static float back_mat_specular[] = {0.5, 0.5, 0.2, 1.0};
+    static float back_mat_diffuse[] = {1.0, 1.0, 0.2, 1.0};
+    static float lmodel_ambient[] = {1.0, 1.0, 1.0, 1.0};
+    static float lmodel_twoside[] = {GL_TRUE};
+
+    glMatrixMode(GL_PROJECTION);
+    gluPerspective(90.0, 1.0, 0.5, 10.0);
+
+    glLightfv(GL_LIGHT0, GL_AMBIENT, ambient);
+    glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse);
+    glLightfv(GL_LIGHT0, GL_POSITION, position);
+    glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
+    glLightModelfv(GL_LIGHT_MODEL_TWO_SIDE, lmodel_twoside);
+    glEnable(GL_LIGHTING);
+    glEnable(GL_LIGHT0);
+
+    glMaterialfv(GL_FRONT, GL_SHININESS, front_mat_shininess);
+    glMaterialfv(GL_FRONT, GL_SPECULAR, front_mat_specular);
+    glMaterialfv(GL_FRONT, GL_DIFFUSE, front_mat_diffuse);
+    glMaterialfv(GL_BACK, GL_SHININESS, back_mat_shininess);
+    glMaterialfv(GL_BACK, GL_SPECULAR, back_mat_specular);
+    glMaterialfv(GL_BACK, GL_DIFFUSE, back_mat_diffuse);
+    if (rgb) {
+	glColorMaterial(GL_FRONT_AND_BACK, GL_DIFFUSE);
+    }
+
+    if (rgb) {
+	glEnable(GL_COLOR_MATERIAL);
+    } else {
+	SetColorMap();
+    }
+}
+
+static void InitTexture(void)
+{
+
+    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+    glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+}
+
+static void Init(void)
+{
+
+    glClearColor(0.0, 0.0, 0.0, 0.0);
+
+    glShadeModel(GL_FLAT);
+
+    glFrontFace(GL_CW);
+
+    glEnable(GL_DEPTH_TEST);
+
+    InitMaterials();
+    InitTexture();
+    InitMesh();
+
+    glMatrixMode(GL_MODELVIEW);
+    glTranslatef(0.0, 0.4, -1.8);
+    glScalef(2.0, 2.0, 2.0);
+    glRotatef(-35.0, 1.0, 0.0, 0.0);
+    glRotatef(35.0, 0.0, 0.0, 1.0);
+}
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      case 'c':
+	contouring++;
+	if (contouring == 1) {
+	    static GLfloat map[4] = {0, 0, 20, 0};
+
+	    glTexImage2D(GL_TEXTURE_2D, 0, 3, 4, 4, 0, GL_LUMINANCE,
+			 GL_UNSIGNED_BYTE, (GLvoid *)contourTexture1);
+	    glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
+	    glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
+	    glTexGenfv(GL_S, GL_OBJECT_PLANE, map);
+	    glTexGenfv(GL_T, GL_OBJECT_PLANE, map);
+	    glEnable(GL_TEXTURE_2D);
+	    glEnable(GL_TEXTURE_GEN_S);
+	    glEnable(GL_TEXTURE_GEN_T);
+	} else if (contouring == 2) {
+	    static GLfloat map[4] = {0, 0, 20, 0};
+
+	    glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_EYE_LINEAR);
+	    glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_EYE_LINEAR);
+	    glPushMatrix();
+	    glMatrixMode(GL_MODELVIEW);
+	    glLoadIdentity();
+	    glTexGenfv(GL_S, GL_EYE_PLANE, map);
+	    glTexGenfv(GL_T, GL_EYE_PLANE, map);
+	    glPopMatrix();
+	} else {
+	    contouring = 0;
+	    glDisable(GL_TEXTURE_GEN_S);
+	    glDisable(GL_TEXTURE_GEN_T);
+	    glDisable(GL_TEXTURE_2D);
+	}
+	break;
+      case 's':
+	smooth = !smooth;
+	if (smooth) {
+	    glShadeModel(GL_SMOOTH);
+	} else {
+	    glShadeModel(GL_FLAT);
+	}
+	break;
+      case 'l':
+	lighting = !lighting;
+	if (lighting) {
+	    glEnable(GL_LIGHTING);
+	    glEnable(GL_LIGHT0);
+	    if (rgb) {
+		glEnable(GL_COLOR_MATERIAL);
+	    }
+	} else {
+	    glDisable(GL_LIGHTING);
+	    glDisable(GL_LIGHT0);
+	    if (rgb) {
+		glDisable(GL_COLOR_MATERIAL);
+	    }
+	}
+	break;
+      case 'd':
+	depth = !depth;
+	if (depth) {
+	    glEnable(GL_DEPTH_TEST);
+	    clearMask |= GL_DEPTH_BUFFER_BIT;
+	} else {
+	    glDisable(GL_DEPTH_TEST);
+	    clearMask &= ~GL_DEPTH_BUFFER_BIT;
+	}
+	break;
+      case 32:
+	stepMode = !stepMode;
+	if (stepMode) {
+	    glutIdleFunc(0);
+	} else {
+	    glutIdleFunc(glut_post_redisplay_p);
+	}
+	break;
+      case 'n':
+	if (stepMode) {
+	    nextFrame = 1;
+	}
+	break;
+      case 'a':
+	spinMode = !spinMode;
+	break;
+      default:
+	return;
+    }
+    glutPostRedisplay();
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    rgb = GL_TRUE;
+    doubleBuffer = GL_TRUE;
+    frames = 10;
+    widthX = 10;
+    widthY = 10;
+    checkerSize = 2;
+    height = 0.2;
+
+    for (i = 1; i < argc; i++) {
+	if (strcmp(argv[i], "-ci") == 0) {
+	    rgb = GL_FALSE;
+	} else if (strcmp(argv[i], "-rgb") == 0) {
+	    rgb = GL_TRUE;
+	} else if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else if (strcmp(argv[i], "-grid") == 0) {
+	    if (i+2 >= argc || argv[i+1][0] == '-' || argv[i+2][0] == '-') {
+		printf("-grid (No numbers).\n");
+		return GL_FALSE;
+	    } else {
+		widthX = atoi(argv[++i]);
+		widthY = atoi(argv[++i]);
+	    }
+	} else if (strcmp(argv[i], "-size") == 0) {
+	    if (i+1 >= argc || argv[i+1][0] == '-') {
+		printf("-checker (No number).\n");
+		return GL_FALSE;
+	    } else {
+		checkerSize = atoi(argv[++i]);
+	    }
+	} else if (strcmp(argv[i], "-wave") == 0) {
+	    if (i+1 >= argc || argv[i+1][0] == '-') {
+		printf("-wave (No number).\n");
+		return GL_FALSE;
+	    } else {
+		height = atof(argv[++i]);
+	    }
+	} else if (strcmp(argv[i], "-frames") == 0) {
+	    if (i+1 >= argc || argv[i+1][0] == '-') {
+		printf("-frames (No number).\n");
+		return GL_FALSE;
+	    } else {
+		frames = atoi(argv[++i]);
+	    }
+	} else {
+	    printf("%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(0, 0); glutInitWindowSize( 300, 300);
+
+    type = GLUT_DEPTH;
+    type |= (rgb) ? GLUT_RGB : GLUT_INDEX;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("Wave Demo") == GL_FALSE) {
+	exit(1);
+    }
+
+    InitMap();
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Animate);
+    glutIdleFunc(glut_post_redisplay_p);
+    glutMainLoop();
+	return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/.cvsignore b/nx-X11/extras/Mesa_6.4.2/progs/tests/.cvsignore
new file mode 100644
index 000000000..d0f2a87a8
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/.cvsignore
@@ -0,0 +1,2 @@
+.cvsignore
+getproclist.h
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/Makefile b/nx-X11/extras/Mesa_6.4.2/progs/tests/Makefile
new file mode 100644
index 000000000..768820cf3
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/Makefile
@@ -0,0 +1,135 @@
+# progs/tests/Makefile
+
+
+# These programs aren't intended to be included with the normal distro.
+# They're not too interesting but they're good for testing.
+
+TOP = ../..
+include $(TOP)/configs/current
+
+
+LIBS = $(APP_LIB_DEPS)
+
+SOURCES = antialias.c \
+	arbfpspec.c \
+	arbfptest1.c \
+	arbfptexture.c \
+	arbfptrig.c \
+	arbvptest1.c \
+	arbvptest3.c \
+	arbvptorus.c \
+	arbvpwarpmesh.c \
+	blendminmax.c \
+	blendsquare.c \
+	bufferobj.c \
+	bug_3101.c \
+	bug_3195.c \
+	crossbar.c \
+	cva.c \
+	dinoshade.c \
+	floattex.c \
+	fbotest1.c \
+	fbotexture.c \
+	fogcoord.c \
+	fptest1.c \
+	fptexture.c \
+	getprocaddress.c \
+	invert.c \
+	manytex.c \
+	multipal.c \
+	no_s3tc.c \
+	packedpixels.c \
+	pbo.c \
+	projtex.c \
+	seccolor.c \
+	sharedtex.c \
+	stencilwrap.c \
+	stencil_wrap.c \
+	tex1d.c \
+	texline.c \
+	texobjshare.c \
+	texrect.c \
+	texwrap.c \
+	vparray.c \
+	vptest1.c \
+	vptest2.c \
+	vptest3.c \
+	vptorus.c \
+	vpwarpmesh.c \
+	yuvrect.c \
+	yuvsquare.c \
+	zreaddraw.c
+
+PROGS = $(SOURCES:%.c=%)
+
+INCLUDES = -I. -I$(TOP)/include
+
+UTIL_FILES = readtex.h readtex.c
+
+
+##### RULES #####
+
+.SUFFIXES:
+.SUFFIXES: .c
+
+.c:
+	$(CC) $(INCLUDES) $(CFLAGS) $< $(LIBS) -o $@
+
+.c.o:
+	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
+
+.S.o:
+	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES)  $< -o $@
+
+
+##### TARGETS #####
+
+default: $(UTIL_FILES) $(PROGS)
+
+clean:
+	rm -f $(PROGS)
+	rm -f *.o
+	rm -f getproclist.h
+
+
+# auto code generation
+getprocaddress: getprocaddress.c getproclist.h
+
+getproclist.h: $(TOP)/src/mesa/glapi/gl_API.xml getprocaddress.c getprocaddress.py
+	python getprocaddress.py > getproclist.h
+
+
+texrect: texrect.o readtex.o
+	$(CC) texrect.o readtex.o $(LIBS) -o $@
+
+texrect.o: texrect.c readtex.h
+	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
+
+bug_3195: bug_3195.o readtex.o
+	$(CC) $(CFLAGS) bug_3195.o readtex.o $(LIBS) -o $@
+
+bug_3195.o: bug_3195.c readtex.h
+	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
+
+invert: invert.o readtex.o
+	$(CC) invert.o readtex.o $(LIBS) -o $@
+
+invert.o: invert.c readtex.h
+	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
+
+readtex.o: readtex.c
+	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
+
+
+readtex.h: $(TOP)/progs/util/readtex.h
+	ln -s $(TOP)/progs/util/readtex.h .
+
+readtex.c: $(TOP)/progs/util/readtex.c
+	ln -s $(TOP)/progs/util/readtex.c .
+
+
+
+
+# Emacs tags
+tags:
+	etags `find . -name \*.[ch]` `find ../include`
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/Makefile.win b/nx-X11/extras/Mesa_6.4.2/progs/tests/Makefile.win
new file mode 100644
index 000000000..0de6c42e3
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/Makefile.win
@@ -0,0 +1,44 @@
+# $Id: Makefile.win,v 1.1 2002/01/16 01:03:25 kschultz Exp $
+
+# Mesa 3-D graphics library
+# Version:  3.5
+# Copyright (C) 1995-2001  Brian Paul
+
+# Makefile for GLUT-based demo programs for Windows
+
+!include <win32.mak>
+
+##### MACROS #####
+
+TOP    = ..
+INCDIR = ..\include
+LIBDIR = ..\lib
+
+SRCS = cva.c \
+	dinoshade.c \
+	fogcoord.c \
+	manytex.c \
+	multipal.c \
+	projtex.c \
+	seccolor.c \
+#	sharedtex.c \
+	texline.c \
+	texwrap.c \
+	vptest1.c \
+	vptest2.c \
+	vptest3.c \
+	vptorus.c \
+	vpwarpmesh.c
+	
+!include "../mesawin32.mak"
+
+##### TARGETS #####
+
+clean::
+
+clobber::
+	@del readtex.c readtex.h
+
+$(EXES) :$*.obj
+	@echo $@
+	$(link) -out:$@ $* /LIBPATH:$(LIBDIR) $(LIBS)
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/antialias.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/antialias.c
new file mode 100644
index 000000000..79b5ab75c
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/antialias.c
@@ -0,0 +1,229 @@
+/* $Id: antialias.c,v 1.2 2003/03/29 16:42:57 brianp Exp $ */
+
+/*
+ * Test multisampling and polygon smoothing.
+ *
+ * Brian Paul
+ * 4 November 2002
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <GL/glut.h>
+
+
+static GLfloat Zrot = 0;
+static GLboolean Anim = GL_TRUE;
+static GLboolean HaveMultisample = GL_TRUE;
+
+
+static void
+PrintString(const char *s)
+{
+   while (*s) {
+      glutBitmapCharacter(GLUT_BITMAP_8_BY_13, (int) *s);
+      s++;
+   }
+}
+
+
+static void
+Polygon( GLint verts, GLfloat radius, GLfloat z )
+{
+   int i;
+   for (i = 0; i < verts; i++) {
+      float a = (i * 2.0 * 3.14159) / verts;
+      float x = radius * cos(a);
+      float y = radius * sin(a);
+      glVertex3f(x, y, z);
+   }
+}
+
+
+static void
+DrawObject( void )
+{
+   glLineWidth(3.0);
+   glColor3f(1, 1, 1);
+   glBegin(GL_LINE_LOOP);
+   Polygon(12, 1.2, 0);
+   glEnd();
+
+   glLineWidth(1.0);
+   glColor3f(1, 1, 1);
+   glBegin(GL_LINE_LOOP);
+   Polygon(12, 1.1, 0);
+   glEnd();
+
+   glColor3f(1, 0, 0);
+   glBegin(GL_POLYGON);
+   Polygon(12, 0.4, 0.3);
+   glEnd();
+
+   glColor3f(0, 1, 0);
+   glBegin(GL_POLYGON);
+   Polygon(12, 0.6, 0.2);
+   glEnd();
+
+   glColor3f(0, 0, 1);
+   glBegin(GL_POLYGON);
+   Polygon(12, 0.8, 0.1);
+   glEnd();
+
+   glColor3f(1, 1, 1);
+   glBegin(GL_POLYGON);
+   Polygon(12, 1.0, 0);
+   glEnd();
+}
+
+
+static void
+Display( void )
+{
+   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+   glColor3f(1, 1, 1);
+   if (HaveMultisample) {
+      glRasterPos2f(-3.1, -1.6);
+      PrintString("MULTISAMPLE");
+   }
+   glRasterPos2f(-0.8, -1.6);
+   PrintString("No antialiasing");
+   glRasterPos2f(1.6, -1.6);
+   PrintString("GL_POLYGON_SMOOTH");
+
+   /* multisample */
+   if (HaveMultisample) {
+      glEnable(GL_DEPTH_TEST);
+      glEnable(GL_MULTISAMPLE_ARB);
+      glPushMatrix();
+      glTranslatef(-2.5, 0, 0);
+      glPushMatrix();
+      glRotatef(Zrot, 0, 0, 1);
+      DrawObject();
+      glPopMatrix();
+      glPopMatrix();
+      glDisable(GL_MULTISAMPLE_ARB);
+      glDisable(GL_DEPTH_TEST);
+   }
+
+   /* non-aa */
+   glEnable(GL_DEPTH_TEST);
+   glPushMatrix();
+   glTranslatef(0, 0, 0);
+   glPushMatrix();
+   glRotatef(Zrot, 0, 0, 1);
+   DrawObject();
+   glPopMatrix();
+   glPopMatrix();
+   glDisable(GL_DEPTH_TEST);
+
+   /* polygon smooth */
+   glEnable(GL_POLYGON_SMOOTH);
+   glEnable(GL_LINE_SMOOTH);
+   glEnable(GL_BLEND);
+   glPushMatrix();
+   glTranslatef(2.5, 0, 0);
+   glPushMatrix();
+   glRotatef(Zrot, 0, 0, 1);
+   DrawObject();
+   glPopMatrix();
+   glPopMatrix();
+   glDisable(GL_LINE_SMOOTH);
+   glDisable(GL_POLYGON_SMOOTH);
+   glDisable(GL_BLEND);
+
+   glutSwapBuffers();
+}
+
+
+static void
+Reshape( int width, int height )
+{
+   GLfloat ar = (float) width / (float) height;
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glOrtho(-2.0*ar, 2.0*ar, -2.0, 2.0, -1.0, 1.0);
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+}
+
+
+static void
+Idle( void )
+{
+   Zrot = 0.01 * glutGet(GLUT_ELAPSED_TIME);
+   glutPostRedisplay();
+}
+
+
+static void
+Key( unsigned char key, int x, int y )
+{
+   const GLfloat step = 1.0;
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 'a':
+         Anim = !Anim;
+         if (Anim)
+            glutIdleFunc(Idle);
+         else
+            glutIdleFunc(NULL);
+         break;
+      case 'z':
+         Zrot = (int) (Zrot - step);
+         break;
+      case 'Z':
+         Zrot = (int) (Zrot + step);
+         break;
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void
+Init( void )
+{
+   /* GLUT imposes the four samples/pixel requirement */
+   int s;
+   glGetIntegerv(GL_SAMPLES_ARB, &s);
+   if (!glutExtensionSupported("GL_ARB_multisample") || s < 1) {
+      printf("Warning: multisample antialiasing not supported.\n");
+      HaveMultisample = GL_FALSE;
+   }
+   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
+   printf("GL_SAMPLES_ARB = %d\n", s);
+
+   glBlendFunc(GL_SRC_ALPHA, GL_ONE);
+   glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+   glBlendFunc(GL_SRC_ALPHA_SATURATE, GL_ONE);
+
+   glGetIntegerv(GL_MULTISAMPLE_ARB, &s);
+   printf("GL_MULTISAMPLE_ARB = %d\n", s);
+}
+
+
+int
+main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( 600, 300 );
+   glutInitDisplayMode( GLUT_RGB | GLUT_ALPHA | GLUT_DOUBLE |
+                        GLUT_DEPTH | GLUT_MULTISAMPLE );
+   glutCreateWindow(argv[0]);
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutDisplayFunc( Display );
+   if (Anim)
+      glutIdleFunc( Idle );
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/api_speed.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/api_speed.c
new file mode 100644
index 000000000..aed65b35f
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/api_speed.c
@@ -0,0 +1,146 @@
+/*
+ * (C) Copyright IBM Corporation 2002
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * on the rights to use, copy, modify, merge, publish, distribute, sub
+ * license, and/or sell copies of the Software, and to permit persons to whom
+ * the Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.  IN NO EVENT SHALL
+ * VA LINUX SYSTEM, IBM AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/**
+ * \file api_speed.c
+ * Simple test to measure the overhead of making GL calls.
+ * 
+ * The main purpose of this test is to measure the difference in calling
+ * overhead of different dispatch methods.  Since it uses asm/timex.h to
+ * access the Pentium's cycle counters, it will probably only compile on
+ * Linux (though most architectures have a get_cycles function in timex.h).
+ * That is why it isn't in the default Makefile.
+ * 
+ * \author Ian Romanick <idr@us.ibm.com>
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#define GL_GLEXT_PROTOTYPES
+#include <GL/gl.h>
+#include <GL/glext.h>
+#include <GL/glut.h>
+
+#define inline __inline__
+#include <asm/timex.h>
+
+static float Width = 400;
+static float Height = 400;
+static unsigned count = 1000000;
+
+
+static void Idle( void )
+{
+   glutPostRedisplay();
+}
+
+#define DO_FUNC(f,p) \
+   do { \
+      t0 = get_cycles(); \
+      for ( i = 0 ; i < count ; i++ ) { \
+	 f p ; \
+      } \
+      t1 = get_cycles(); \
+      printf("%u calls to % 20s required %llu cycles.\n", count, # f, t1 - t0); \
+   } while( 0 )
+
+/**
+ * Main display function.  This is the place to add more API calls.
+ */
+static void Display( void )
+{
+   int i;
+   const float v[3] = { 1.0, 0.0, 0.0 };
+   cycles_t t0;
+   cycles_t t1;
+
+   glBegin(GL_TRIANGLE_STRIP);
+
+   DO_FUNC( glColor3fv, (v) );
+   DO_FUNC( glNormal3fv, (v) );
+   DO_FUNC( glTexCoord2fv, (v) );
+   DO_FUNC( glTexCoord3fv, (v) );
+   DO_FUNC( glMultiTexCoord2fv, (GL_TEXTURE0, v) );
+   DO_FUNC( glMultiTexCoord2f, (GL_TEXTURE0, 0.0, 0.0) );
+   DO_FUNC( glFogCoordfvEXT, (v) );
+   DO_FUNC( glFogCoordfEXT, (0.5) );
+
+   glEnd();
+
+   exit(0);
+}
+
+
+static void Reshape( int width, int height )
+{
+   Width = width;
+   Height = height;
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glOrtho(0.0, width, 0.0, height, -1.0, 1.0);
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowSize( (int) Width, (int) Height );
+   glutInitWindowPosition( 0, 0 );
+
+   glutInitDisplayMode( GLUT_RGB );
+
+   glutCreateWindow( argv[0] );
+
+   if ( argc > 1 ) {
+      count = strtoul( argv[1], NULL, 0 );
+      if ( count == 0 ) {
+	 fprintf( stderr, "Usage: %s [iterations]\n", argv[0] );
+	 exit(1);
+      }
+   }
+
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutDisplayFunc( Display );
+   glutIdleFunc( Idle );
+
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/api_speed.py b/nx-X11/extras/Mesa_6.4.2/progs/tests/api_speed.py
new file mode 100755
index 000000000..0ddaf5836
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/api_speed.py
@@ -0,0 +1,143 @@
+#!/usr/bin/env python2
+
+# (C) Copyright IBM Corporation 2004
+# All Rights Reserved.
+#
+# Permission is hereby granted, free of charge, to any person obtaining a
+# copy of this software and associated documentation files (the "Software"),
+# to deal in the Software without restriction, including without limitation
+# on the rights to use, copy, modify, merge, publish, distribute, sub
+# license, and/or sell copies of the Software, and to permit persons to whom
+# the Software is furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice (including the next
+# paragraph) shall be included in all copies or substantial portions of the
+# Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.  IN NO EVENT SHALL
+# IBM AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+# IN THE SOFTWARE.
+#
+# Authors:
+#    Ian Romanick <idr@us.ibm.com>
+
+
+# This script is used to run api_speed against several different libGL
+# libraries and compare the results.  See the show_usage function for more
+# details on how to use it.
+
+
+import re, os, sys, getopt
+
+class results:
+	def process_file(self, f):
+		self.cycles = {}
+		self.iterations = -1
+
+		for line in f.readlines():
+			m = re.match("(\d+) calls to (.{20}) required (\d+) cycles.", line)
+
+			if self.iterations != -1 and int(m.group(1)) != self.iterations:
+				raise
+
+			# This could be done with lstrip, but the version of
+			# the Python library on my system doesn't have it.
+			# The installed version of Python is quite old. :(
+
+			temp = m.group(2)
+			function_name = None
+			for i in range(len(temp)):
+				if temp[i] != ' ':
+					function_name = temp[i:]
+					break
+
+			if function_name == None:
+				raise
+
+			self.cycles[ function_name ] = int(m.group(3))
+			self.iterations = int(m.group(1))
+
+
+	def show_results(self):
+		for name in self.cycles:
+			print "%s -> %f" % (name, float(self.cycles[name]) / self.iterations)
+
+
+	def compare_results(self, other):
+		for name in self.cycles:
+			if other.cycles.has_key(name):
+				a = float(self.cycles[name])  / float(self.iterations)
+				b = float(other.cycles[name]) / float(other.iterations)
+				if abs( a ) < 0.000001:
+				    print "a = %f, b = %f" % (a, b)
+				else:
+				    p = (100.0 * b / a) - 100.0
+				    print "%- 20s %7.2f - %7.2f = % -6.2f (%+.1f%%)" % (name, a, b, a - b, p)
+		return
+
+
+def make_execution_string(lib, iterations):
+	if lib == None:
+		return "./api_speed %u" % (iterations)
+	else:
+		return "LD_PRELOAD=%s ./api_speed %u" % (lib, iterations)
+
+
+def show_usage():
+	print """Usage: %s [-i iterations] {library ...}
+
+The full path to one or more libGL libraries (including the full name of the
+library) can be included on the command-line.  Each library will be tested,
+and the results compared.  The first library listed will be used as the
+"base line" for all comparisons.""" % (sys.argv[0])
+	sys.exit(1)
+
+
+if __name__ == '__main__':
+	try:
+		(args, trail) = getopt.getopt(sys.argv[1:], "i:")
+	except Exception,e:
+		show_usage()
+
+	iterations = 1000000
+	try:
+		for (arg,val) in args:
+			if arg == "-i":
+				iterations = int(val)
+	except Exception,e:
+		show_usage()
+
+
+	# If no libraries were specifically named, just run the test against
+	# the default system libGL.
+
+	if len(trail) == 0:
+		trail.append(None)
+
+
+	result_array = []
+	names = []
+
+	for lib in trail:
+		s = make_execution_string( lib, iterations )
+		r = results()
+		r.process_file( os.popen(s) )
+		names.append(lib)
+		result_array.append(r)
+
+
+	# If the test was only run against one library, just show the results
+	# of the test run.  Otherwise, compare each successive run against
+	# the first run.
+
+	if len( result_array ) == 1:
+		result_array[0].show_results()
+	else:
+		for i in range(1, len( result_array )):
+			print "%s vs. %s" % (names[0], names[i])
+			result_array[0].compare_results( result_array[i] )
+			print ""
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/arbfpspec.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/arbfpspec.c
new file mode 100644
index 000000000..73c55369e
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/arbfpspec.c
@@ -0,0 +1,194 @@
+/*
+ * To demo that specular color gets lost someplace after vertex
+ * program completion and fragment program startup
+ */
+
+#include <assert.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+
+static float Xrot = 0.0, Yrot = 0.0, Zrot = 0.0;
+static GLboolean Anim = GL_TRUE;
+
+
+static void Idle( void )
+{
+   Xrot += .3;
+   Yrot += .4;
+   Zrot += .2;
+   glutPostRedisplay();
+}
+
+
+static void Display( void )
+{
+   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+   glPushMatrix();
+      glRotatef(Xrot, 1, 0, 0);
+      glRotatef(Yrot, 0, 1, 0);
+      glRotatef(Zrot, 0, 0, 1);
+      glutSolidTorus(0.75, 2.0, 10, 20);
+   glPopMatrix();
+
+   glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glFrustum( -2.0, 2.0, -2.0, 2.0, 5.0, 25.0 );
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   glTranslatef( 0.0, 0.0, -12.0 );
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case ' ':
+         Xrot = Yrot = Zrot = 0;
+         break;
+      case 'a':
+         Anim = !Anim;
+         if (Anim)
+            glutIdleFunc(Idle);
+         else
+            glutIdleFunc(NULL);
+         break;
+      case 'z':
+         Zrot -= 5.0;
+         break;
+      case 'Z':
+         Zrot += 5.0;
+         break;
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void SpecialKey( int key, int x, int y )
+{
+   const GLfloat step = 3.0;
+   (void) x;
+   (void) y;
+   switch (key) {
+      case GLUT_KEY_UP:
+         Xrot -= step;
+         break;
+      case GLUT_KEY_DOWN:
+         Xrot += step;
+         break;
+      case GLUT_KEY_LEFT:
+         Yrot -= step;
+         break;
+      case GLUT_KEY_RIGHT:
+         Yrot += step;
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void Init( void )
+{
+   GLint errno;
+   GLuint prognum, fprognum;
+	
+   static const char prog[] = 
+      "!!ARBvp1.0\n"
+      "DP4   result.position.x, state.matrix.mvp.row[0], vertex.position ;\n"
+      "DP4   result.position.y, state.matrix.mvp.row[1], vertex.position ;\n"
+      "DP4   result.position.z, state.matrix.mvp.row[2], vertex.position ;\n"
+      "DP4   result.position.w, state.matrix.mvp.row[3], vertex.position ;\n"
+      "MOV   result.color.front.primary,   {.5, .5, .5, 1};\n"		
+      "MOV   result.color.front.secondary, {1, 1, 1, 1};\n"
+      "END";
+
+	static const char fprog[] = 
+     "!!ARBfp1.0\n"			  
+     "MOV result.color, fragment.color.secondary;\n"
+	  "END";
+
+   if (!glutExtensionSupported("GL_ARB_vertex_program")) {
+      printf("Sorry, this program requires GL_ARB_vertex_program");
+      exit(1);
+   }
+
+   if (!glutExtensionSupported("GL_ARB_fragment_program")) {
+      printf("Sorry, this program requires GL_ARB_fragment_program");
+      exit(1);
+   }
+
+
+   	
+   glGenProgramsARB(1, &prognum);
+   glGenProgramsARB(1, &fprognum);
+
+   glBindProgramARB(GL_VERTEX_PROGRAM_ARB, prognum);
+   glProgramStringARB(GL_VERTEX_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
+                        strlen(prog), (const GLubyte *) prog);
+
+   assert(glIsProgramARB(prognum));
+   errno = glGetError();
+   printf("glGetError = %d\n", errno);
+   if (errno != GL_NO_ERROR)
+   {
+      GLint errorpos;
+
+      glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &errorpos);
+      printf("errorpos: %d\n", errorpos);
+      printf("%s\n", (char *)glGetString(GL_PROGRAM_ERROR_STRING_ARB));
+   }
+
+   glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, fprognum);
+   glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
+                        strlen(fprog), (const GLubyte *) fprog);
+   errno = glGetError();
+   printf("glGetError = %d\n", errno);
+   if (errno != GL_NO_ERROR)
+   {
+      GLint errorpos;
+
+      glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &errorpos);
+      printf("errorpos: %d\n", errorpos);
+      printf("%s\n", (char *)glGetString(GL_PROGRAM_ERROR_STRING_ARB));
+   }
+
+   glEnable(GL_VERTEX_PROGRAM_ARB);
+   glEnable(GL_FRAGMENT_PROGRAM_ARB);
+   glEnable(GL_DEPTH_TEST);
+   glClearColor(0.3, 0.3, 0.3, 1);
+}
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( 250, 250 );
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
+   glutCreateWindow(argv[0]);
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutSpecialFunc( SpecialKey );
+   glutDisplayFunc( Display );
+   if (Anim)
+      glutIdleFunc(Idle);
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/arbfptest1.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/arbfptest1.c
new file mode 100644
index 000000000..45d05125b
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/arbfptest1.c
@@ -0,0 +1,210 @@
+/* Test GL_ARB_fragment_program */
+
+#include <assert.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+
+
+
+static void Display( void )
+{
+   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+   glPushMatrix();
+
+   glColor4f(0, 0.5, 0, 1);
+   glColor4f(0, 1, 0, 1);
+   glBegin(GL_POLYGON);
+   glVertex2f(-1, -1);
+   glVertex2f( 1, -1);
+   glVertex2f( 0,  1);
+   glEnd();
+
+   glPopMatrix();
+
+   glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glFrustum( -1.0, 1.0, -1.0, 1.0, 5.0, 25.0 );
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   glTranslatef( 0.0, 0.0, -15.0 );
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+static void load_program(const char *prog, GLuint prognum)
+{
+   int a;	
+   GLint errorpos, errno;
+   
+   glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, prognum);
+   glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
+                        strlen(prog), (const GLubyte *) prog);
+
+   assert(glIsProgramARB(prognum));
+   errno = glGetError();
+   printf("glGetError = %d\n", errno);
+   if (errno != GL_NO_ERROR)
+   {
+      glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &errorpos);
+      printf("errorpos: %d\n", errorpos);
+      printf("%s\n", (char *)glGetString(GL_PROGRAM_ERROR_STRING_ARB));
+
+      for (a=-10; a<10; a++)
+      {
+         if ((errorpos+a < 0) || (errorpos+a >= strlen(prog))) continue;	      
+         printf("%c", prog[errorpos+a]);
+      }	  
+      printf("\n");      
+      exit(1);
+   }
+}
+
+static void Init( void )
+{
+   static const char *prog0 =
+      "!!ARBfp1.0\n"
+      "TEMP R0, RC, HC, H0, H1, H2, H3, H30 ;\n"
+      "MUL       result.color, R0, fragment.position; \n"
+      "ADD       result.color, H3, fragment.texcoord; \n"
+      "ADD_SAT   result.color, H3, fragment.texcoord; \n"
+      "MUL       result.color.xy, R0.wzyx, fragment.position; \n"
+      "MUL       result.color, H0, fragment.position; \n"
+      "MUL       result.color, -H0, fragment.position; \n"
+      "MOV       RC, H1; \n"
+      "MOV       HC, H2; \n"
+      "END \n"
+      ;
+   /* masked updates, defines, declarations */
+   static const char *prog1 =
+      "!!ARBfp1.0\n"
+      "PARAM foo = {1., 2., 3., 4.}; \n"
+      "PARAM foo2 = 5.; \n"
+      "PARAM foo3 = {5., 6., 7., 8.}; \n"
+      "PARAM bar = 3.; \n"
+      "TEMP  R0, R1, RC, EQ, NE, bar2; \n"
+      "ALIAS bar3 = bar; \n"
+      "MOV result.color.xy,  R0; \n"
+      "MOV result.color,     R0; \n"
+      "MOV result.color.xyzw, R0; \n"
+      "MOV result.color.xy,  R0; \n"
+      "MOV RC.x, R1.x; \n"
+      "KIL NE; \n"
+      "KIL EQ.xyxy; \n"
+      "END \n"
+      ;
+
+   /* texture instructions */
+   static const char *prog2 =
+      "!!ARBfp1.0\n"
+      "TEMP R0, R1, R2, R3;\n"
+      "TEX R0, fragment.texcoord,    texture[1], 2D; \n"
+      "TEX R1, fragment.texcoord[1], texture[1], CUBE; \n"
+      "TEX R2, fragment.texcoord[2], texture[2], 3D; \n"
+      "TXP R3, fragment.texcoord[3], texture[3], RECT; \n"
+      "MUL result.color, R0, fragment.color; \n"
+      "END \n"
+      ;
+
+   /* test negation, absolute value */
+   static const char *prog3 =
+      "!!ARBfp1.0\n"
+      "TEMP R0, R1;\n"
+      "MOV R0,  R1; \n"
+      "MOV R0, -R1; \n"
+      "MOV result.color, R0; \n"
+      "END \n"
+      ;
+
+   /* literal constant sources */
+   static const char *prog4 =
+      "!!ARBfp1.0\n"
+      "TEMP R0, R1;\n"
+      "PARAM Pi = 3.14159; \n"
+      "MOV R0, {1., -2., +3., 4.}; \n"
+      "MOV R0, 5.; \n"
+      "MOV R0, -5.; \n"
+      "MOV R0, 5.; \n"
+      "MOV R0, Pi; \n"
+      "MOV result.color, R0; \n"
+      "END \n"
+      ;
+
+   /* change the fragment color in a simple way */
+   static const char *prog10 =
+      "!!ARBfp1.0\n"
+      "PARAM blue = {0., 0., 1., 0.};\n"
+      "PARAM color = {1., 0., 0., 1.};\n"
+      "TEMP R0; \n"
+      "MOV R0, fragment.color; \n"
+      "#ADD result.color, R0, fragment.color; \n"
+      "#ADD result.color, blue, fragment.color; \n"
+      "#ADD result.color, {1., 0., 0., 0.}, fragment.color; \n"
+      "ADD result.color, color, fragment.color; \n"
+      "END \n"
+      ;
+
+   GLuint progs[20];
+
+   glGenProgramsARB(20, progs);
+   assert(progs[0]);
+   assert(progs[1]);
+   assert(progs[0] != progs[1]);
+
+
+   printf("program 0:\n");
+	load_program(prog0, progs[0]);
+   printf("program 1:\n");
+	load_program(prog1, progs[1]);
+   printf("program 2:\n");
+	load_program(prog2, progs[2]);
+   printf("program 3:\n");
+	load_program(prog3, progs[3]);
+	printf("program 4:\n");
+	load_program(prog4, progs[4]);
+	printf("program 10:\n");
+	load_program(prog10, progs[5]);
+
+
+   glEnable(GL_FRAGMENT_PROGRAM_ARB);
+   glEnable(GL_ALPHA_TEST);
+   glAlphaFunc(GL_ALWAYS, 0.0);
+}
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( 250, 250 );
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
+   glutCreateWindow(argv[0]);
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutDisplayFunc( Display );
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/arbfptexture.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/arbfptexture.c
new file mode 100644
index 000000000..a854908c3
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/arbfptexture.c
@@ -0,0 +1,153 @@
+/* GL_ARB_fragment_program texture test */
+
+#include <assert.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+
+#include "readtex.c"
+
+
+#define TEXTURE_FILE "../images/girl.rgb"
+
+static GLfloat Xrot = 0.0, Yrot = 0.0, Zrot = 0.0;
+
+
+static void Display( void )
+{
+   glClear( GL_COLOR_BUFFER_BIT );
+
+   glPushMatrix();
+   glRotatef(Xrot, 1.0, 0.0, 0.0);
+   glRotatef(Yrot, 0.0, 1.0, 0.0);
+   glRotatef(Zrot, 0.0, 0.0, 1.0);
+
+   glBegin(GL_POLYGON);
+#define Q 2
+   glColor4f(1.0, 1.0, 1.0, 1);   glTexCoord4f(0, 0, 0, Q);   glVertex2f(-1, -1);
+   glColor4f(0.2, 0.2, 1.0, 1);   glTexCoord4f(1, 0, 0, Q);   glVertex2f( 1, -1);
+   glColor4f(0.2, 1.0, 0.2, 1);   glTexCoord4f(1, 1, 0, Q);   glVertex2f( 1,  1);
+   glColor4f(1.0, 0.2, 0.2, 1);   glTexCoord4f(0, 1, 0, Q);   glVertex2f(-1,  1);
+   glEnd();
+
+   glPopMatrix();
+
+   glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glFrustum( -1.0, 1.0, -1.0, 1.0, 5.0, 25.0 );
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   glTranslatef( 0.0, 0.0, -8.0 );
+}
+
+
+static void SpecialKey( int key, int x, int y )
+{
+   float step = 3.0;
+   (void) x;
+   (void) y;
+
+   switch (key) {
+      case GLUT_KEY_UP:
+         Xrot += step;
+         break;
+      case GLUT_KEY_DOWN:
+         Xrot -= step;
+         break;
+      case GLUT_KEY_LEFT:
+         Yrot += step;
+         break;
+      case GLUT_KEY_RIGHT:
+         Yrot -= step;
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void Init( void )
+{
+   static const char *modulate2D =
+      "!!ARBfp1.0\n"
+      "TEMP R0;\n"
+      "TEX R0, fragment.texcoord[0], texture[0], 2D; \n"
+      "MUL result.color, R0, fragment.color; \n"
+      "END"
+      ;
+   GLuint modulateProg;
+   GLuint Texture;
+
+   if (!glutExtensionSupported("GL_ARB_fragment_program")) {
+      printf("Error: GL_ARB_fragment_program not supported!\n");
+      exit(1);
+   }
+   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
+
+   /* Setup the fragment program */
+   glGenProgramsARB(1, &modulateProg);
+   glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, modulateProg);
+   glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
+                        strlen(modulate2D), (const GLubyte *)modulate2D);
+
+   printf("glGetError = 0x%x\n", (int) glGetError());
+   printf("glError(GL_PROGRAM_ERROR_STRING_ARB) = %s\n",
+          (char *) glGetString(GL_PROGRAM_ERROR_STRING_ARB));
+   assert(glIsProgramARB(modulateProg));
+
+   glEnable(GL_FRAGMENT_PROGRAM_ARB);
+
+   /* Load texture */
+   glGenTextures(1, &Texture);
+   glBindTexture(GL_TEXTURE_2D, Texture);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+   glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+   if (!LoadRGBMipmaps(TEXTURE_FILE, GL_RGB)) {
+      printf("Error: couldn't load texture image file %s\n", TEXTURE_FILE);
+      exit(1);
+   }
+   /* XXX this enable shouldn't really be needed!!! */
+   glEnable(GL_TEXTURE_2D);
+
+   glClearColor(.3, .3, .3, 0);
+}
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( 250, 250 );
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
+   glutCreateWindow(argv[0]);
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutSpecialFunc( SpecialKey );
+   glutDisplayFunc( Display );
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/arbfptrig.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/arbfptrig.c
new file mode 100644
index 000000000..26b68c6b4
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/arbfptrig.c
@@ -0,0 +1,156 @@
+/* GL_ARB_fragment_program texture test */
+
+#include <assert.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+
+#include "readtex.c"
+
+
+#define TEXTURE_FILE "../images/girl.rgb"
+
+static GLfloat Xrot = 0.0, Yrot = 0.0, Zrot = 0.0;
+
+#define PI 3.141592
+
+static void Display( void )
+{
+   glClear( GL_COLOR_BUFFER_BIT );
+
+   glPushMatrix();
+   glRotatef(Xrot, 1.0, 0.0, 0.0);
+   glRotatef(Yrot, 0.0, 1.0, 0.0);
+   glRotatef(Zrot, 0.0, 0.0, 1.0);
+
+   glBegin(GL_POLYGON);
+   glTexCoord2f(-PI, 0);   glVertex2f(-1, -1);
+   glTexCoord2f(PI, 0);   glVertex2f( 1, -1);
+   glTexCoord2f(PI, 1);   glVertex2f( 1,  1);
+   glTexCoord2f(-PI, 1);   glVertex2f(-1,  1);
+   glEnd();
+
+   glPopMatrix();
+
+   glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glFrustum( -1.0, 1.0, -1.0, 1.0, 5.0, 25.0 );
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   glTranslatef( 0.0, 0.0, -8.0 );
+}
+
+
+static void SpecialKey( int key, int x, int y )
+{
+   float step = 3.0;
+   (void) x;
+   (void) y;
+
+   switch (key) {
+      case GLUT_KEY_UP:
+         Xrot += step;
+         break;
+      case GLUT_KEY_DOWN:
+         Xrot -= step;
+         break;
+      case GLUT_KEY_LEFT:
+         Yrot += step;
+         break;
+      case GLUT_KEY_RIGHT:
+         Yrot -= step;
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void Init( void )
+{
+   static const char *modulate2D =
+      "!!ARBfp1.0\n"
+      "TEMP R0;\n"
+      "MOV R0, {0,0,0,1};\n"
+      "SCS R0, fragment.texcoord[0].x; \n"
+      "ADD R0, R0, {1.0}.x;\n"
+      "MUL R0, R0, {0.5}.x;\n"
+      "MOV result.color, R0; \n"
+      "END"
+      ;
+   GLuint modulateProg;
+   GLuint Texture;
+
+   if (!glutExtensionSupported("GL_ARB_fragment_program")) {
+      printf("Error: GL_ARB_fragment_program not supported!\n");
+      exit(1);
+   }
+   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
+
+   /* Setup the fragment program */
+   glGenProgramsARB(1, &modulateProg);
+   glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, modulateProg);
+   glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
+                        strlen(modulate2D), (const GLubyte *)modulate2D);
+
+   printf("glGetError = 0x%x\n", (int) glGetError());
+   printf("glError(GL_PROGRAM_ERROR_STRING_ARB) = %s\n",
+          (char *) glGetString(GL_PROGRAM_ERROR_STRING_ARB));
+   assert(glIsProgramARB(modulateProg));
+
+   glEnable(GL_FRAGMENT_PROGRAM_ARB);
+
+   /* Load texture */
+   glGenTextures(1, &Texture);
+   glBindTexture(GL_TEXTURE_2D, Texture);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+   glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+   if (!LoadRGBMipmaps(TEXTURE_FILE, GL_RGB)) {
+      printf("Error: couldn't load texture image file %s\n", TEXTURE_FILE);
+      exit(1);
+   }
+   /* XXX this enable shouldn't really be needed!!! */
+   glEnable(GL_TEXTURE_2D);
+
+   glClearColor(.3, .3, .3, 0);
+}
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( 250, 250 );
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
+   glutCreateWindow(argv[0]);
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutSpecialFunc( SpecialKey );
+   glutDisplayFunc( Display );
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/arbnpot.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/arbnpot.c
new file mode 100644
index 000000000..8107717e2
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/arbnpot.c
@@ -0,0 +1,174 @@
+/*
+ * Test NPOT textures with the GL_ARB_texture_non_power_of_two extension.
+ * Brian Paul
+ * 2 July 2003
+ */
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <GL/glut.h>
+#include "../util/readtex.c"
+
+#define IMAGE_FILE "../images/girl.rgb"
+
+static GLfloat Zrot = 0;
+
+static void Display( void )
+{
+   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+   glPushMatrix();
+   glRotatef(Zrot, 0, 0, 1);
+   glBegin(GL_POLYGON);
+   glTexCoord2f(0, 0);
+   glVertex2f(-1, -1);
+   glTexCoord2f(1, 0);
+   glVertex2f(1, -1);
+   glTexCoord2f(1, 1);
+   glVertex2f(1, 1);
+   glTexCoord2f(0, 1);
+   glVertex2f(-1, 1);
+   glEnd();
+   glPopMatrix();
+
+   glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glFrustum( -1.0, 1.0, -1.0, 1.0, 5.0, 25.0 );
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   glTranslatef( 0.0, 0.0, -7.0 );
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 'z':
+         Zrot -= 1.0;
+         break;
+      case 'Z':
+         Zrot += 1.0;
+         break;
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void Init( void )
+{
+   GLubyte *image;
+   int imgWidth, imgHeight, minDim, w;
+   GLenum imgFormat;
+
+   if (!glutExtensionSupported("GL_ARB_texture_non_power_of_two")) {
+      printf("Sorry, this program requires GL_ARB_texture_non_power_of_two\n");
+      exit(1);
+   }
+
+#if 1
+   image = LoadRGBImage( IMAGE_FILE, &imgWidth, &imgHeight, &imgFormat );
+   if (!image) {
+      printf("Couldn't read %s\n", IMAGE_FILE);
+      exit(0);
+   }
+#else
+   int i, j;
+   imgFormat = GL_RGB;
+   imgWidth = 3;
+   imgHeight = 3;
+   image = malloc(imgWidth * imgHeight * 3);
+   for (i = 0; i < imgHeight; i++) {
+      for (j = 0; j < imgWidth; j++) {
+         int k = (i * imgWidth + j) * 3;
+         if ((i + j) & 1) {
+            image[k+0] = 255;
+            image[k+1] = 0;
+            image[k+2] = 0;
+         }
+         else {
+            image[k+0] = 0;
+            image[k+1] = 255;
+            image[k+2] = 0;
+         }
+      }
+   }
+#endif
+
+   printf("Read %d x %d\n", imgWidth, imgHeight);
+
+   minDim = imgWidth < imgHeight ? imgWidth : imgHeight;
+
+   glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+   glTexImage1D(GL_TEXTURE_1D, 0, GL_RGB, imgWidth, 0,
+                imgFormat, GL_UNSIGNED_BYTE, image);
+   assert(glGetError() == GL_NO_ERROR);
+
+   glTexImage1D(GL_PROXY_TEXTURE_1D, 0, GL_RGB, imgWidth, 0,
+                imgFormat, GL_UNSIGNED_BYTE, image);
+   glGetTexLevelParameteriv(GL_PROXY_TEXTURE_1D, 0, GL_TEXTURE_WIDTH, &w);
+   assert(w == imgWidth);
+
+   glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, imgWidth, imgHeight, 0,
+                imgFormat, GL_UNSIGNED_BYTE, image);
+   assert(glGetError() == GL_NO_ERROR);
+
+   glTexImage2D(GL_PROXY_TEXTURE_2D, 0, GL_RGB, imgWidth, imgHeight, 0,
+                imgFormat, GL_UNSIGNED_BYTE, image);
+   glGetTexLevelParameteriv(GL_PROXY_TEXTURE_2D, 0, GL_TEXTURE_WIDTH, &w);
+   assert(w == imgWidth);
+
+   glTexImage3D(GL_TEXTURE_3D, 0, GL_RGB, imgWidth, imgHeight, 1, 0,
+                imgFormat, GL_UNSIGNED_BYTE, image);
+   assert(glGetError() == GL_NO_ERROR);
+
+   glTexImage3D(GL_PROXY_TEXTURE_3D, 0, GL_RGB, imgWidth, imgHeight, 1, 0,
+                imgFormat, GL_UNSIGNED_BYTE, image);
+   glGetTexLevelParameteriv(GL_PROXY_TEXTURE_3D, 0, GL_TEXTURE_WIDTH, &w);
+   assert(w == imgWidth);
+
+   glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X, 0, GL_RGB,
+                minDim, minDim, 0,
+                imgFormat, GL_UNSIGNED_BYTE, image);
+   assert(glGetError() == GL_NO_ERROR);
+
+   glTexImage2D(GL_PROXY_TEXTURE_CUBE_MAP, 0, GL_RGB,
+                minDim, minDim, 0,
+                imgFormat, GL_UNSIGNED_BYTE, image);
+   glGetTexLevelParameteriv(GL_PROXY_TEXTURE_CUBE_MAP, 0, GL_TEXTURE_WIDTH, &w);
+   assert(w == minDim);
+
+
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+   glEnable(GL_TEXTURE_2D);
+}
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( 400, 400 );
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
+   glutCreateWindow(argv[0]);
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutDisplayFunc( Display );
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/arbvptest1.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/arbvptest1.c
new file mode 100644
index 000000000..5c462c42c
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/arbvptest1.c
@@ -0,0 +1,164 @@
+/* Test glGenProgramsNV(), glIsProgramNV(), glLoadProgramNV() */
+
+#include <assert.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+
+static void Display( void )
+{
+   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+   glPushMatrix();
+
+   glBegin(GL_POLYGON);
+   glVertexAttrib2fNV(0, -1, -1);
+   glVertexAttrib2fNV(0, 1, -1);
+   glVertexAttrib2fNV(0, 0,  1);
+   glEnd();
+
+   glPopMatrix();
+
+   glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glFrustum( -1.0, 1.0, -1.0, 1.0, 5.0, 25.0 );
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   glTranslatef( 0.0, 0.0, -15.0 );
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+static void load_program(const char *prog, GLuint prognum)
+{
+   int a;	
+   GLint errorpos, errno;
+   
+   glBindProgramARB(GL_VERTEX_PROGRAM_ARB, prognum);
+   glProgramStringARB(GL_VERTEX_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
+                        strlen(prog), (const GLubyte *) prog);
+
+   assert(glIsProgramARB(prognum));
+   errno = glGetError();
+   printf("glGetError = %d\n", errno);
+   if (errno != GL_NO_ERROR)
+   {
+      glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &errorpos);
+      printf("errorpos: %d\n", errorpos);
+      printf("%s\n", (char *)glGetString(GL_PROGRAM_ERROR_STRING_ARB));
+
+      for (a=-10; a<10; a++)
+      {
+         if ((errorpos+a < 0) || (errorpos+a >= strlen(prog))) continue;	      
+         printf("%c", prog[errorpos+a]);
+      }	  
+      printf("\n");      
+      exit(1);
+   }
+}
+
+static void Init( void )
+{
+   GLuint prognum[4];
+   
+   static const char *prog1 =
+      "!!ARBvp1.0\n"
+      "TEMP R0;\n"      
+      "MUL   result.color.primary.xyz, R0, program.local[35]; \n"
+      "END\n";
+   static const char *prog2 =
+      "!!ARBvp1.0\n"
+      "#\n"
+      "# c[0-3]  = modelview projection (composite) matrix\n"
+      "# c[32]   = normalized light direction in object-space\n"
+      "# c[35]   = yellow diffuse material, (1.0, 1.0, 0.0, 1.0)\n"
+      "# c[64].x = 0.0\n"
+      "# c[64].z = 0.125, a scaling factor\n"
+      "TEMP R0, R1;\n"      
+      "#\n"
+      "# outputs diffuse illumination for color and perturbed position\n"
+      "#\n"
+      "DP3   R0, program.local[32], vertex.normal;  # light direction DOT normal\n"
+      "MUL   result.color.primary.xyz, R0, program.local[35]; \n"
+      "MAX   R0, program.local[64].x, R0; \n"
+      "MUL   R0, R0, vertex.normal; \n"
+      "MUL   R0, R0, program.local[64].z;  \n"
+      "ADD   R1, vertex.position, -R0;       # perturb object space position\n"
+      "DP4   result.position.x, state.matrix.mvp.row[3], R1; \n"
+      "DP4   result.position.y, state.matrix.mvp.row[1], R1; \n"
+      "DP4   result.position.z, state.matrix.mvp.row[2], R1; \n"
+      "DP4   result.position.w, state.matrix.mvp.row[3], R1; \n"
+      "END\n";
+   static const char *prog3 = 
+      "!!ARBvp1.0\n"
+      "TEMP R0, R1, R2, R3;\n"      
+      "DP4   result.position.x, state.matrix.mvp.row[0], vertex.position;\n"
+      "DP4   result.position.y, state.matrix.mvp.row[1], vertex.position;\n"
+      "DP4   result.position.z, state.matrix.mvp.row[2], vertex.position;\n"
+      "DP4   result.position.w, state.matrix.mvp.row[3], vertex.position;\n"
+      "DP3   R0.x, state.matrix.modelview.inverse.row[0], vertex.normal;\n"
+      "DP3   R0.y, state.matrix.modelview.inverse.row[1], vertex.normal;\n"
+      "DP3   R0.z, state.matrix.modelview.inverse.row[2], vertex.normal;\n" 
+      "DP3   R1.x, program.env[32], R0;               # R1.x = Lpos DOT n'\n"
+      "DP3   R1.y, program.env[33], R0;               # R1.y = hHat DOT n'\n"
+      "MOV   R1.w, program.local[38].x;               # R1.w = specular power\n"
+      "LIT   R2, R1;                                  # Compute lighting values\n"
+      "MAD   R3, program.env[35].x, R2.y, program.env[35].y;       # diffuse + emissive\n"
+      "MAD   result.color.primary.xyz, program.env[36], R2.z, R3;  # + specular\n"
+      "END\n";
+   static const char *prog4 = 
+      "!!ARBvp1.0\n"
+      "TEMP R2, R3;\n"
+      "PARAM foo = {0., 0., 0., 1.};\n"
+      "PARAM blah[] = { program.local[0..8] };\n"
+      "ADDRESS A0;\n"		
+      "ARL   A0.x, foo.x;\n"   
+      "DP4   R2, R3, blah[A0.x].x;\n"
+      "DP4   R2, R3, blah[A0.x + 5];\n"
+      "DP4   result.position, R3, blah[A0.x - 4];\n"
+      "END\n";
+
+   glGenProgramsNV(4, prognum);
+
+   load_program(prog1, prognum[0]);   
+   load_program(prog2, prognum[1]);   
+   load_program(prog3, prognum[2]);   
+   load_program(prog4, prognum[3]);   
+}
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( 250, 250 );
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
+   glutCreateWindow(argv[0]);
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutDisplayFunc( Display );
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/arbvptest3.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/arbvptest3.c
new file mode 100644
index 000000000..5f6d4f7e9
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/arbvptest3.c
@@ -0,0 +1,128 @@
+/* Test glGenProgramsNV(), glIsProgramNV(), glLoadProgramNV() */
+
+#include <assert.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+
+static float Zrot = 0.0;
+
+
+static void Display( void )
+{
+   glClearColor(0.3, 0.3, 0.3, 1);
+   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+   glEnable(GL_VERTEX_PROGRAM_NV);
+
+   glLoadIdentity();
+   glRotatef(Zrot, 0, 0, 1);
+
+   glPushMatrix();
+
+   glVertexAttrib3fARB(3, 1, 0.5, 0.25);
+   glBegin(GL_TRIANGLES);
+#if 1
+   glVertexAttrib3fARB(3, 1.0, 0.0, 0.0);
+   glVertexAttrib2fARB(0, -0.5, -0.5);
+   glVertexAttrib3fARB(3, 0.0, 1.0, 0.0);
+   glVertexAttrib2fARB(0, 0.5, -0.5);
+   glVertexAttrib3fARB(3, 0.0, 0.0, 1.0);
+   glVertexAttrib2fARB(0, 0,  0.5);
+#else
+   glVertex2f( -1, -1);
+   glVertex2f( 1, -1);
+   glVertex2f( 0,  1);
+#endif
+   glEnd();
+
+   glPopMatrix();
+
+   glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   /*   glFrustum( -2.0, 2.0, -2.0, 2.0, 5.0, 25.0 );*/
+   glOrtho(-2.0, 2.0, -2.0, 2.0, -2.0, 2.0 );
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   /*glTranslatef( 0.0, 0.0, -15.0 );*/
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 'z':
+         Zrot -= 5.0;
+         break;
+      case 'Z':
+         Zrot += 5.0;
+         break;
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void Init( void )
+{
+   GLint errno;
+   GLuint prognum;
+   
+   static const char *prog1 =
+      "!!ARBvp1.0\n"
+      "MOV  result.color, vertex.color;\n"
+
+      "DP4  result.position.x, vertex.position, state.matrix.modelview.row[0];\n"
+      "DP4  result.position.y, vertex.position, state.matrix.modelview.row[1];\n"
+      "DP4  result.position.z, vertex.position, state.matrix.modelview.row[2];\n"
+      "DP4  result.position.w, vertex.position, state.matrix.modelview.row[3];\n"
+      "END\n";
+
+   glGenProgramsARB(1, &prognum);
+
+   glBindProgramARB(GL_VERTEX_PROGRAM_ARB, prognum);
+   glProgramStringARB(GL_VERTEX_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
+                        strlen(prog1), (const GLubyte *) prog1);
+
+   assert(glIsProgramARB(prognum));
+   errno = glGetError();
+   printf("glGetError = %d\n", errno);
+   if (errno != GL_NO_ERROR)
+   {
+      GLint errorpos;
+
+      glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &errorpos);
+      printf("errorpos: %d\n", errorpos);
+      printf("%s\n", (char *)glGetString(GL_PROGRAM_ERROR_STRING_ARB));
+   }
+}
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( 250, 250 );
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
+   glutCreateWindow(argv[0]);
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutDisplayFunc( Display );
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/arbvptorus.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/arbvptorus.c
new file mode 100644
index 000000000..c1e2d0b76
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/arbvptorus.c
@@ -0,0 +1,191 @@
+/*
+ * A lit, rotating torus via vertex program
+ */
+
+#include <assert.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+
+static float Xrot = 0.0, Yrot = 0.0, Zrot = 0.0;
+static GLboolean Anim = GL_TRUE;
+
+
+static void Idle( void )
+{
+   Xrot += .3;
+   Yrot += .4;
+   Zrot += .2;
+   glutPostRedisplay();
+}
+
+
+static void Display( void )
+{
+   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+   glPushMatrix();
+      glRotatef(Xrot, 1, 0, 0);
+      glRotatef(Yrot, 0, 1, 0);
+      glRotatef(Zrot, 0, 0, 1);
+      glutSolidTorus(0.75, 2.0, 10, 20);
+   glPopMatrix();
+
+   glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glFrustum( -2.0, 2.0, -2.0, 2.0, 5.0, 25.0 );
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   glTranslatef( 0.0, 0.0, -12.0 );
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case ' ':
+         Xrot = Yrot = Zrot = 0;
+         break;
+      case 'a':
+         Anim = !Anim;
+         if (Anim)
+            glutIdleFunc(Idle);
+         else
+            glutIdleFunc(NULL);
+         break;
+      case 'z':
+         Zrot -= 5.0;
+         break;
+      case 'Z':
+         Zrot += 5.0;
+         break;
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void SpecialKey( int key, int x, int y )
+{
+   const GLfloat step = 3.0;
+   (void) x;
+   (void) y;
+   switch (key) {
+      case GLUT_KEY_UP:
+         Xrot -= step;
+         break;
+      case GLUT_KEY_DOWN:
+         Xrot += step;
+         break;
+      case GLUT_KEY_LEFT:
+         Yrot -= step;
+         break;
+      case GLUT_KEY_RIGHT:
+         Yrot += step;
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void Init( void )
+{
+   GLint errno;
+   GLuint prognum;
+	
+   /* borrowed from an nvidia demo:
+    * c[0..3] = modelview matrix
+    * c[4..7] = invtrans modelview matrix
+    * c[32] = light pos
+    * c[35] = diffuse color
+    */
+   static const char prog[] = 
+      "!!ARBvp1.0\n"
+      "TEMP R0, R1; \n"
+      "#Simple transform and diffuse lighting\n"
+      "# object x MVP -> clip\n"
+      "DP4   result.position.x, state.matrix.mvp.row[0], vertex.position ;\n"
+      "DP4   result.position.y, state.matrix.mvp.row[1], vertex.position ;\n"
+      "DP4   result.position.z, state.matrix.mvp.row[2], vertex.position ;\n"
+      "DP4   result.position.w, state.matrix.mvp.row[3], vertex.position ;\n"
+
+      "# normal x MV-1T -> lighting normal\n"		
+      "DP3   R1.x, state.matrix.modelview.invtrans.row[0], vertex.normal ;\n"
+      "DP3   R1.y, state.matrix.modelview.invtrans.row[1], vertex.normal;\n"
+      "DP3   R1.z, state.matrix.modelview.invtrans.row[2], vertex.normal;\n"
+
+      "DP3   R0, program.local[32], R1;                  # L.N\n"
+#if 0
+      "MUL   result.color.xyz, R0, program.local[35] ;   # col = L.N * diffuse\n"
+#else
+      "MUL   result.color.primary.xyz, R0, program.local[35] ;   # col = L.N * diffuse\n"
+#endif
+      "MOV   result.texcoord, vertex.texcoord;\n"
+      "END";
+
+   if (!glutExtensionSupported("GL_ARB_vertex_program")) {
+      printf("Sorry, this program requires GL_ARB_vertex_program");
+      exit(1);
+   }
+
+   	
+   glGenProgramsARB(1, &prognum);
+
+   glBindProgramARB(GL_VERTEX_PROGRAM_ARB, prognum);
+   glProgramStringARB(GL_VERTEX_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
+                        strlen(prog), (const GLubyte *) prog);
+
+   assert(glIsProgramARB(prognum));
+   errno = glGetError();
+   printf("glGetError = %d\n", errno);
+   if (errno != GL_NO_ERROR)
+   {
+      GLint errorpos;
+
+      glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &errorpos);
+      printf("errorpos: %d\n", errorpos);
+      printf("%s\n", (char *)glGetString(GL_PROGRAM_ERROR_STRING_ARB));
+   }
+
+   /* Light position */
+   glProgramLocalParameter4fARB(GL_VERTEX_PROGRAM_ARB, 32, 2, 2, 4, 1);
+   /* Diffuse material color */
+   glProgramLocalParameter4fARB(GL_VERTEX_PROGRAM_ARB, 35, 0.25, 0, 0.25, 1);
+
+   glEnable(GL_VERTEX_PROGRAM_ARB);
+   glEnable(GL_DEPTH_TEST);
+   glClearColor(0.3, 0.3, 0.3, 1);
+}
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( 250, 250 );
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
+   glutCreateWindow(argv[0]);
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutSpecialFunc( SpecialKey );
+   glutDisplayFunc( Display );
+   if (Anim)
+      glutIdleFunc(Idle);
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/arbvpwarpmesh.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/arbvpwarpmesh.c
new file mode 100644
index 000000000..a9e2564bc
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/arbvpwarpmesh.c
@@ -0,0 +1,246 @@
+/*
+ * Warp a triangle mesh with a vertex program.
+ */
+
+#include <assert.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+
+static float Xrot = -60.0, Yrot = 0.0, Zrot = 0.0;
+static GLboolean Anim = GL_TRUE;
+static GLfloat Phi = 0.0;
+
+
+static void Idle( void )
+{
+   Phi += 0.01;
+   glutPostRedisplay();
+}
+
+
+static void DrawMesh( int rows, int cols )
+{
+   static const GLfloat colorA[3] = { 0, 1, 0 };
+   static const GLfloat colorB[3] = { 0, 0, 1 };
+   const float dx = 2.0 / (cols - 1);
+   const float dy = 2.0 / (rows - 1);
+   float x, y;
+   int i, j;
+
+#if 1
+#define COLOR3FV(c)     glVertexAttrib3fvARB(3, c)
+#define VERTEX2F(x, y)  glVertexAttrib2fARB(0, x, y)
+#else
+#define COLOR3FV(c)     glColor3fv(c)
+#define VERTEX2F(x, y)  glVertex2f(x, y)
+#endif
+
+   y = -1.0;
+   for (i = 0; i < rows - 1; i++) {
+      glBegin(GL_QUAD_STRIP);
+      x = -1.0;
+      for (j = 0; j < cols; j++) {
+         if ((i + j) & 1)
+            COLOR3FV(colorA);
+         else
+            COLOR3FV(colorB);
+         VERTEX2F(x, y);
+         VERTEX2F(x, y + dy);
+         x += dx;
+      }
+      glEnd();
+      y += dy;
+   }
+}
+
+
+static void Display( void )
+{
+   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+   glPushMatrix();
+      glRotatef(Xrot, 1, 0, 0);
+      glRotatef(Yrot, 0, 1, 0);
+      glRotatef(Zrot, 0, 0, 1);
+
+      /* Position the gravity source */
+      {
+         GLfloat x, y, z, r = 0.5;
+         x = r * cos(Phi);
+         y = r * sin(Phi);
+         z = 1.0;
+         glProgramLocalParameter4fARB(GL_VERTEX_PROGRAM_ARB, 30, x, y, z, 1);
+         glDisable(GL_VERTEX_PROGRAM_ARB);
+         glBegin(GL_POINTS);
+         glColor3f(1,1,1);
+         glVertex3f(x, y, z);
+         glEnd();
+      }
+
+      glEnable(GL_VERTEX_PROGRAM_ARB);
+      DrawMesh(8, 8);
+   glPopMatrix();
+
+   glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+   float ar = (float) width / (float) height;
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glFrustum( -1.0 * ar, 1.0 * ar, -1.0, 1.0, 5.0, 25.0 );
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   glTranslatef( 0.0, 0.0, -12.0 );
+   glScalef(2, 2, 2);
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 'a':
+         Anim = !Anim;
+         if (Anim)
+            glutIdleFunc(Idle);
+         else
+            glutIdleFunc(NULL);
+         break;
+      case 'p':
+         Phi += 0.2;
+         break;
+      case 'z':
+         Zrot -= 5.0;
+         break;
+      case 'Z':
+         Zrot += 5.0;
+         break;
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void SpecialKey( int key, int x, int y )
+{
+   const GLfloat step = 3.0;
+   (void) x;
+   (void) y;
+   switch (key) {
+      case GLUT_KEY_UP:
+         Xrot -= step;
+         break;
+      case GLUT_KEY_DOWN:
+         Xrot += step;
+         break;
+      case GLUT_KEY_LEFT:
+         Yrot -= step;
+         break;
+      case GLUT_KEY_RIGHT:
+         Yrot += step;
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void Init( void )
+{
+   GLuint prognum;
+   GLint errno;
+	
+   /*
+    * c[0..3] = modelview matrix
+    * c[4..7] = inverse modelview matrix
+    * c[30] = gravity source location
+    * c[31] = gravity source strength
+    * c[32] = light pos
+    * c[35] = diffuse color
+    */
+   static const char prog[] = 
+      "!!ARBvp1.0\n"
+      "TEMP R1, R2, R3; "
+	
+      "# Compute distance from vertex to gravity source\n"
+      "ADD   R1, program.local[30], -vertex.position; # vector from vertex to gravity\n"
+      "DP3   R2, R1, R1;                              # dot product\n"
+      "RSQ   R2, R2.x;                                # square root = distance\n"
+      "MUL   R2, R2, program.local[31].xxxx;          # scale by the gravity factor\n"
+
+      "# Displace vertex by gravity factor along R1 vector\n"
+      "MAD   R3, R1, R2, vertex.position;\n"
+
+      "# Continue with typical modelview/projection\n"
+      "DP4   result.position.x, state.matrix.mvp.row[0], R3 ;	# object x MVP -> clip\n"
+      "DP4   result.position.y, state.matrix.mvp.row[1], R3 ;\n"
+      "DP4   result.position.z, state.matrix.mvp.row[2], R3 ;\n"
+      "DP4   result.position.w, state.matrix.mvp.row[3], R3 ;\n"
+
+      "MOV   result.color, vertex.color;\n       # copy input color to output color\n"
+
+      "END";
+
+   if (!glutExtensionSupported("GL_ARB_vertex_program")) {
+      printf("Sorry, this program requires GL_ARB_vertex_program\n");
+      exit(1);
+   }
+
+   glGenProgramsARB(1, &prognum);
+   glBindProgramARB(GL_VERTEX_PROGRAM_ARB, prognum);
+   glProgramStringARB(GL_VERTEX_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
+            strlen(prog), (const GLubyte *)prog);
+   errno = glGetError();	
+   printf("glGetError = %d\n", errno);
+
+	if (errno != GL_NO_ERROR) 
+	{
+		GLint errorpos;
+
+		glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &errorpos);
+		printf("errorpos: %d\n", errorpos);
+		printf("%s\n", glGetString(GL_PROGRAM_ERROR_STRING_ARB));
+	}
+			  
+   /* Light position */
+   glProgramLocalParameter4fARB(GL_VERTEX_PROGRAM_ARB, 32, 2, 2, 4, 1);
+   /* Diffuse material color */
+   glProgramLocalParameter4fARB(GL_VERTEX_PROGRAM_ARB, 35, 0.25, 0, 0.25, 1);
+
+   /* Gravity strength */
+   glProgramLocalParameter4fARB(GL_VERTEX_PROGRAM_ARB, 31, .5, 0, 0, 0);
+
+   glEnable(GL_DEPTH_TEST);
+   glClearColor(0.3, 0.3, 0.3, 1);
+   glShadeModel(GL_FLAT);
+   glPointSize(3);
+}
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( 250, 250 );
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
+   glutCreateWindow(argv[0]);
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutSpecialFunc( SpecialKey );
+   glutDisplayFunc( Display );
+   if (Anim)
+      glutIdleFunc(Idle);
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/auxbuffer.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/auxbuffer.c
new file mode 100644
index 000000000..70f0b7391
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/auxbuffer.c
@@ -0,0 +1,499 @@
+/*
+ * Test AUX buffer rendering
+ * Use GLX since GLUT doesn't support AUX buffers
+ */
+
+
+/*
+ * Copyright (C) 1999-2001  Brian Paul   All Rights Reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/*
+ * This is a port of the infamous "gears" demo to straight GLX (i.e. no GLUT)
+ * Port by Brian Paul  23 March 2001
+ *
+ * Command line options:
+ *    -info      print GL implementation information
+ *
+ */
+
+
+#include <math.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <X11/Xlib.h>
+#include <X11/keysym.h>
+#include <GL/gl.h>
+#include <GL/glx.h>
+
+
+static int
+current_time(void)
+{
+   return 0;
+}
+
+
+
+
+#ifndef M_PI
+#define M_PI 3.14159265
+#endif
+
+static int WinWidth = 300, WinHeight = 300;
+static GLfloat view_rotx = 20.0, view_roty = 30.0, view_rotz = 0.0;
+static GLint gear1, gear2, gear3;
+static GLfloat angle = 0.0;
+
+
+/*
+ *
+ *  Draw a gear wheel.  You'll probably want to call this function when
+ *  building a display list since we do a lot of trig here.
+ * 
+ *  Input:  inner_radius - radius of hole at center
+ *          outer_radius - radius at center of teeth
+ *          width - width of gear
+ *          teeth - number of teeth
+ *          tooth_depth - depth of tooth
+ */
+static void
+gear(GLfloat inner_radius, GLfloat outer_radius, GLfloat width,
+     GLint teeth, GLfloat tooth_depth)
+{
+   GLint i;
+   GLfloat r0, r1, r2;
+   GLfloat angle, da;
+   GLfloat u, v, len;
+
+   r0 = inner_radius;
+   r1 = outer_radius - tooth_depth / 2.0;
+   r2 = outer_radius + tooth_depth / 2.0;
+
+   da = 2.0 * M_PI / teeth / 4.0;
+
+   glShadeModel(GL_FLAT);
+
+   glNormal3f(0.0, 0.0, 1.0);
+
+   /* draw front face */
+   glBegin(GL_QUAD_STRIP);
+   for (i = 0; i <= teeth; i++) {
+      angle = i * 2.0 * M_PI / teeth;
+      glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5);
+      glVertex3f(r1 * cos(angle), r1 * sin(angle), width * 0.5);
+      if (i < teeth) {
+	 glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5);
+	 glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da),
+		    width * 0.5);
+      }
+   }
+   glEnd();
+
+   /* draw front sides of teeth */
+   glBegin(GL_QUADS);
+   da = 2.0 * M_PI / teeth / 4.0;
+   for (i = 0; i < teeth; i++) {
+      angle = i * 2.0 * M_PI / teeth;
+
+      glVertex3f(r1 * cos(angle), r1 * sin(angle), width * 0.5);
+      glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), width * 0.5);
+      glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da),
+		 width * 0.5);
+      glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da),
+		 width * 0.5);
+   }
+   glEnd();
+
+   glNormal3f(0.0, 0.0, -1.0);
+
+   /* draw back face */
+   glBegin(GL_QUAD_STRIP);
+   for (i = 0; i <= teeth; i++) {
+      angle = i * 2.0 * M_PI / teeth;
+      glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5);
+      glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5);
+      if (i < teeth) {
+	 glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da),
+		    -width * 0.5);
+	 glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5);
+      }
+   }
+   glEnd();
+
+   /* draw back sides of teeth */
+   glBegin(GL_QUADS);
+   da = 2.0 * M_PI / teeth / 4.0;
+   for (i = 0; i < teeth; i++) {
+      angle = i * 2.0 * M_PI / teeth;
+
+      glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da),
+		 -width * 0.5);
+      glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da),
+		 -width * 0.5);
+      glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), -width * 0.5);
+      glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5);
+   }
+   glEnd();
+
+   /* draw outward faces of teeth */
+   glBegin(GL_QUAD_STRIP);
+   for (i = 0; i < teeth; i++) {
+      angle = i * 2.0 * M_PI / teeth;
+
+      glVertex3f(r1 * cos(angle), r1 * sin(angle), width * 0.5);
+      glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5);
+      u = r2 * cos(angle + da) - r1 * cos(angle);
+      v = r2 * sin(angle + da) - r1 * sin(angle);
+      len = sqrt(u * u + v * v);
+      u /= len;
+      v /= len;
+      glNormal3f(v, -u, 0.0);
+      glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), width * 0.5);
+      glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), -width * 0.5);
+      glNormal3f(cos(angle), sin(angle), 0.0);
+      glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da),
+		 width * 0.5);
+      glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da),
+		 -width * 0.5);
+      u = r1 * cos(angle + 3 * da) - r2 * cos(angle + 2 * da);
+      v = r1 * sin(angle + 3 * da) - r2 * sin(angle + 2 * da);
+      glNormal3f(v, -u, 0.0);
+      glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da),
+		 width * 0.5);
+      glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da),
+		 -width * 0.5);
+      glNormal3f(cos(angle), sin(angle), 0.0);
+   }
+
+   glVertex3f(r1 * cos(0), r1 * sin(0), width * 0.5);
+   glVertex3f(r1 * cos(0), r1 * sin(0), -width * 0.5);
+
+   glEnd();
+
+   glShadeModel(GL_SMOOTH);
+
+   /* draw inside radius cylinder */
+   glBegin(GL_QUAD_STRIP);
+   for (i = 0; i <= teeth; i++) {
+      angle = i * 2.0 * M_PI / teeth;
+      glNormal3f(-cos(angle), -sin(angle), 0.0);
+      glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5);
+      glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5);
+   }
+   glEnd();
+}
+
+
+static void
+draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+   glPushMatrix();
+   glRotatef(view_rotx, 1.0, 0.0, 0.0);
+   glRotatef(view_roty, 0.0, 1.0, 0.0);
+   glRotatef(view_rotz, 0.0, 0.0, 1.0);
+
+   glPushMatrix();
+   glTranslatef(-3.0, -2.0, 0.0);
+   glRotatef(angle, 0.0, 0.0, 1.0);
+   glCallList(gear1);
+   glPopMatrix();
+
+   glPushMatrix();
+   glTranslatef(3.1, -2.0, 0.0);
+   glRotatef(-2.0 * angle - 9.0, 0.0, 0.0, 1.0);
+   glCallList(gear2);
+   glPopMatrix();
+
+   glPushMatrix();
+   glTranslatef(-3.1, 4.2, 0.0);
+   glRotatef(-2.0 * angle - 25.0, 0.0, 0.0, 1.0);
+   glCallList(gear3);
+   glPopMatrix();
+
+   glPopMatrix();
+}
+
+
+/* new window size or exposure */
+static void
+reshape(int width, int height)
+{
+   GLfloat h = (GLfloat) height / (GLfloat) width;
+
+   WinWidth = width;
+   WinHeight = height;
+   glViewport(0, 0, (GLint) width, (GLint) height);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glFrustum(-1.0, 1.0, -h, h, 5.0, 60.0);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glTranslatef(0.0, 0.0, -40.0);
+}
+
+
+static void
+init(void)
+{
+   static GLfloat pos[4] = { 5.0, 5.0, 10.0, 0.0 };
+   static GLfloat red[4] = { 0.8, 0.1, 0.0, 1.0 };
+   static GLfloat green[4] = { 0.0, 0.8, 0.2, 1.0 };
+   static GLfloat blue[4] = { 0.2, 0.2, 1.0, 1.0 };
+   int i;
+
+   glGetIntegerv(GL_AUX_BUFFERS, &i);
+   printf("AUX BUFFERS: %d\n", i);
+
+   glLightfv(GL_LIGHT0, GL_POSITION, pos);
+   glEnable(GL_CULL_FACE);
+   glEnable(GL_LIGHTING);
+   glEnable(GL_LIGHT0);
+   glEnable(GL_DEPTH_TEST);
+
+   /* make the gears */
+   gear1 = glGenLists(1);
+   glNewList(gear1, GL_COMPILE);
+   glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, red);
+   gear(1.0, 4.0, 1.0, 20, 0.7);
+   glEndList();
+
+   gear2 = glGenLists(1);
+   glNewList(gear2, GL_COMPILE);
+   glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, green);
+   gear(0.5, 2.0, 2.0, 10, 0.7);
+   glEndList();
+
+   gear3 = glGenLists(1);
+   glNewList(gear3, GL_COMPILE);
+   glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, blue);
+   gear(1.3, 2.0, 0.5, 10, 0.7);
+   glEndList();
+
+   glEnable(GL_NORMALIZE);
+}
+
+
+/*
+ * Create an RGB, double-buffered window.
+ * Return the window and context handles.
+ */
+static void
+make_window( Display *dpy, const char *name,
+             int x, int y, int width, int height,
+             Window *winRet, GLXContext *ctxRet)
+{
+   int attrib[] = { GLX_RGBA,
+		    GLX_RED_SIZE, 1,
+		    GLX_GREEN_SIZE, 1,
+		    GLX_BLUE_SIZE, 1,
+		    GLX_DOUBLEBUFFER,
+		    GLX_DEPTH_SIZE, 1,
+                    GLX_AUX_BUFFERS, 1,
+		    None };
+   int scrnum;
+   XSetWindowAttributes attr;
+   unsigned long mask;
+   Window root;
+   Window win;
+   GLXContext ctx;
+   XVisualInfo *visinfo;
+
+   scrnum = DefaultScreen( dpy );
+   root = RootWindow( dpy, scrnum );
+
+   visinfo = glXChooseVisual( dpy, scrnum, attrib );
+   if (!visinfo) {
+      printf("Error: couldn't get an RGB, Double-buffered visual\n");
+      exit(1);
+   }
+
+   /* window attributes */
+   attr.background_pixel = 0;
+   attr.border_pixel = 0;
+   attr.colormap = XCreateColormap( dpy, root, visinfo->visual, AllocNone);
+   attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask;
+   mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
+
+   win = XCreateWindow( dpy, root, 0, 0, width, height,
+		        0, visinfo->depth, InputOutput,
+		        visinfo->visual, mask, &attr );
+
+   /* set hints and properties */
+   {
+      XSizeHints sizehints;
+      sizehints.x = x;
+      sizehints.y = y;
+      sizehints.width  = width;
+      sizehints.height = height;
+      sizehints.flags = USSize | USPosition;
+      XSetNormalHints(dpy, win, &sizehints);
+      XSetStandardProperties(dpy, win, name, name,
+                              None, (char **)NULL, 0, &sizehints);
+   }
+
+   ctx = glXCreateContext( dpy, visinfo, NULL, True );
+   if (!ctx) {
+      printf("Error: glXCreateContext failed\n");
+      exit(1);
+   }
+
+   XFree(visinfo);
+
+   *winRet = win;
+   *ctxRet = ctx;
+}
+
+
+static void
+event_loop(Display *dpy, Window win)
+{
+   while (1) {
+      while (XPending(dpy) > 0) {
+         XEvent event;
+         XNextEvent(dpy, &event);
+         switch (event.type) {
+	 case Expose:
+            /* we'll redraw below */
+	    break;
+	 case ConfigureNotify:
+	    reshape(event.xconfigure.width, event.xconfigure.height);
+	    break;
+         case KeyPress:
+            {
+               char buffer[10];
+               int r, code;
+               code = XLookupKeysym(&event.xkey, 0);
+               if (code == XK_Left) {
+                  view_roty += 5.0;
+               }
+               else if (code == XK_Right) {
+                  view_roty -= 5.0;
+               }
+               else if (code == XK_Up) {
+                  view_rotx += 5.0;
+               }
+               else if (code == XK_Down) {
+                  view_rotx -= 5.0;
+               }
+               else {
+                  r = XLookupString(&event.xkey, buffer, sizeof(buffer),
+                                    NULL, NULL);
+                  if (buffer[0] == 27) {
+                     /* escape */
+                     return;
+                  }
+               }
+            }
+         }
+      }
+
+      /* next frame */
+      angle += 2.0;
+
+      /* draw to aux buffer */
+      glDrawBuffer(GL_AUX0);
+
+      draw();
+
+      /* Copy aux buffer image to back color buffer */
+      glReadBuffer(GL_AUX0);
+      glDrawBuffer(GL_BACK);
+      glWindowPos2iARB(0, 0);
+      glDisable(GL_DEPTH_TEST);
+      glCopyPixels(0, 0, WinWidth, WinHeight, GL_COLOR);
+      glEnable(GL_DEPTH_TEST);
+
+      glXSwapBuffers(dpy, win);
+
+      /* calc framerate */
+      {
+         static int t0 = -1;
+         static int frames = 0;
+         int t = current_time();
+
+         if (t0 < 0)
+            t0 = t;
+
+         frames++;
+
+         if (t - t0 >= 5.0) {
+            GLfloat seconds = t - t0;
+            GLfloat fps = frames / seconds;
+            printf("%d frames in %3.1f seconds = %6.3f FPS\n", frames, seconds,
+                   fps);
+            t0 = t;
+            frames = 0;
+         }
+      }
+   }
+}
+
+
+int
+main(int argc, char *argv[])
+{
+   Display *dpy;
+   Window win;
+   GLXContext ctx;
+   char *dpyName = ":0";
+   GLboolean printInfo = GL_FALSE;
+   int i;
+
+   for (i = 1; i < argc; i++) {
+      if (strcmp(argv[i], "-display") == 0) {
+         dpyName = argv[i+1];
+         i++;
+      }
+      else if (strcmp(argv[i], "-info") == 0) {
+         printInfo = GL_TRUE;
+      }
+   }
+
+   dpy = XOpenDisplay(dpyName);
+   if (!dpy) {
+      printf("Error: couldn't open display %s\n", dpyName);
+      return -1;
+   }
+
+   make_window(dpy, "glxgears", 0, 0, WinWidth, WinHeight, &win, &ctx);
+   XMapWindow(dpy, win);
+   glXMakeCurrent(dpy, win, ctx);
+
+   if (printInfo) {
+      printf("GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+      printf("GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+      printf("GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+      printf("GL_EXTENSIONS = %s\n", (char *) glGetString(GL_EXTENSIONS));
+   }
+
+   init();
+
+   event_loop(dpy, win);
+
+   glXDestroyContext(dpy, ctx);
+   XDestroyWindow(dpy, win);
+   XCloseDisplay(dpy);
+
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/blendminmax.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/blendminmax.c
new file mode 100644
index 000000000..2aab1a39d
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/blendminmax.c
@@ -0,0 +1,209 @@
+/*
+ * (C) Copyright IBM Corporation 2004
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * on the rights to use, copy, modify, merge, publish, distribute, sub
+ * license, and/or sell copies of the Software, and to permit persons to whom
+ * the Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.  IN NO EVENT SHALL
+ * VA LINUX SYSTEM, IBM AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/**
+ * \file blendminmax.c
+ * 
+ * Simple test of GL_EXT_blend_minmax functionality.  Four squares are drawn
+ * with different blending modes, but all should be rendered with the same
+ * final color.
+ *
+ * \author Ian Romanick <idr@us.ibm.com>
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+static int Width = 400;
+static int Height = 200;
+static const GLfloat Near = 5.0, Far = 25.0;
+
+
+static void Display( void )
+{
+   glClearColor(0.2, 0.2, 0.8, 0);
+   glClear( GL_COLOR_BUFFER_BIT );
+
+   glPushMatrix();
+
+   /* This is the "reference" square.
+    */
+
+   glTranslatef(-4.5, 0, 0);
+   glBlendEquation( GL_FUNC_ADD );
+   glBlendFunc( GL_ONE, GL_ZERO );
+   glBegin(GL_QUADS);
+   glColor3f( 0.5, 0.5, 0.5 );
+   glVertex2f(-1, -1);
+   glVertex2f( 1, -1);
+   glVertex2f( 1,  1);
+   glVertex2f(-1,  1);
+   glEnd();
+
+
+   /* GL_MIN and GL_MAX are supposed to ignore the blend function setting.
+    * To test that, we set the blend function to GL_ZERO for both color and
+    * alpha each time GL_MIN or GL_MAX is used.
+    *
+    * Apple ships an extension called GL_ATI_blend_weighted_minmax (supported
+    * on Mac OS X 10.2 and later).  I believe the difference with that
+    * extension is that it uses the blend function.  However, I have no idea
+    * what the enums are for it.  The extension is listed at Apple's developer
+    * site, but there is no documentation.
+    * 
+    * http://developer.apple.com/opengl/extensions.html
+    */
+
+   glTranslatef(3.0, 0, 0);
+   glBlendEquation( GL_FUNC_ADD );
+   glBlendFunc( GL_ONE, GL_ZERO );
+   glBegin(GL_QUADS);
+   glColor3f( 0.5, 0.5, 0.5 );
+   glVertex2f(-1, -1);
+   glVertex2f( 1, -1);
+   glVertex2f( 1,  1);
+   glVertex2f(-1,  1);
+   glEnd();
+
+   glBlendEquation( GL_MAX );
+   glBlendFunc( GL_ZERO, GL_ZERO );
+   glBegin(GL_QUADS);
+   glColor3f( 0.2, 0.2, 0.2 );
+   glVertex2f(-1, -1);
+   glVertex2f( 1, -1);
+   glVertex2f( 1,  1);
+   glVertex2f(-1,  1);
+   glEnd();
+
+
+   glTranslatef(3.0, 0, 0);
+   glBlendEquation( GL_FUNC_ADD );
+   glBlendFunc( GL_ONE, GL_ZERO );
+   glBegin(GL_QUADS);
+   glColor3f( 0.5, 0.5, 0.5 );
+   glVertex2f(-1, -1);
+   glVertex2f( 1, -1);
+   glVertex2f( 1,  1);
+   glVertex2f(-1,  1);
+   glEnd();
+
+   glBlendEquation( GL_MIN );
+   glBlendFunc( GL_ZERO, GL_ZERO );
+   glBegin(GL_QUADS);
+   glColor3f( 0.8, 0.8, 0.8 );
+   glVertex2f(-1, -1);
+   glVertex2f( 1, -1);
+   glVertex2f( 1,  1);
+   glVertex2f(-1,  1);
+   glEnd();
+
+
+   glTranslatef(3.0, 0, 0);
+   glBlendEquation( GL_FUNC_ADD );
+   glBlendFunc( GL_ONE, GL_ZERO );
+   glBegin(GL_QUADS);
+   glColor3f( 0.8, 0.8, 0.8 );
+   glVertex2f(-1, -1);
+   glVertex2f( 1, -1);
+   glVertex2f( 1,  1);
+   glVertex2f(-1,  1);
+   glEnd();
+
+   glBlendEquation( GL_MIN );
+   glBlendFunc( GL_ZERO, GL_ZERO );
+   glBegin(GL_QUADS);
+   glColor3f( 0.5, 0.5, 0.5 );
+   glVertex2f(-1, -1);
+   glVertex2f( 1, -1);
+   glVertex2f( 1,  1);
+   glVertex2f(-1,  1);
+   glEnd();
+
+   glPopMatrix();
+
+   glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+   GLfloat ar = (float) width / (float) height;
+   Width = width;
+   Height = height;
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glFrustum( -ar, ar, -1.0, 1.0, Near, Far );
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   glTranslatef( 0.0, 0.0, -15.0 );
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void Init( void )
+{
+   const char * const ver_string = (const char * const)
+       glGetString( GL_VERSION );
+
+   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
+   printf("GL_VERSION = %s\n", ver_string);
+
+   if ( !glutExtensionSupported("GL_ARB_imaging") && !glutExtensionSupported("GL_EXT_blend_minmax")) {
+      printf("Sorry, this program requires either GL_ARB_imaging or GL_EXT_blend_minmax.\n");
+      exit(1);
+   }
+
+   printf("\nAll 4 squares should be the same color.\n");
+   glEnable( GL_BLEND );
+}
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( Width, Height );
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
+   glutCreateWindow( "GL_EXT_blend_minmax test" );
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutDisplayFunc( Display );
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/blendsquare.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/blendsquare.c
new file mode 100644
index 000000000..1694866a5
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/blendsquare.c
@@ -0,0 +1,178 @@
+/*
+ * (C) Copyright IBM Corporation 2004
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * on the rights to use, copy, modify, merge, publish, distribute, sub
+ * license, and/or sell copies of the Software, and to permit persons to whom
+ * the Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.  IN NO EVENT SHALL
+ * VA LINUX SYSTEM, IBM AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/**
+ * \file blendsquare.c
+ * 
+ * Simple test of GL_NV_blend_square functionality.  Four squares are drawn
+ * with different blending modes, but all should be rendered with the same
+ * final color.
+ *
+ * \author Ian Romanick <idr@us.ibm.com>
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+static int Width = 400;
+static int Height = 200;
+static const GLfloat Near = 5.0, Far = 25.0;
+
+
+static void Display( void )
+{
+   glClearColor(0.2, 0.2, 0.8, 0);
+   glClear( GL_COLOR_BUFFER_BIT );
+
+   glPushMatrix();
+
+   glTranslatef(-4.5, 0, 0);
+   glBlendFunc( GL_ONE, GL_ZERO );
+   glBegin(GL_QUADS);
+   glColor3f( 0.5 * 0.5, 0.5 * 0.5, 0.5 * 0.5 );
+   glVertex2f(-1, -1);
+   glVertex2f( 1, -1);
+   glVertex2f( 1,  1);
+   glVertex2f(-1,  1);
+   glEnd();
+
+
+   glTranslatef(3.0, 0, 0);
+   glBlendFunc( GL_ONE, GL_ZERO );
+   glBegin(GL_QUADS);
+   glColor3f( 0.5, 0.5, 0.5 );
+   glVertex2f(-1, -1);
+   glVertex2f( 1, -1);
+   glVertex2f( 1,  1);
+   glVertex2f(-1,  1);
+   glEnd();
+
+   glBlendFunc( GL_DST_COLOR, GL_ZERO );
+   glBegin(GL_QUADS);
+   glVertex2f(-1, -1);
+   glVertex2f( 1, -1);
+   glVertex2f( 1,  1);
+   glVertex2f(-1,  1);
+   glEnd();
+
+
+   glTranslatef(3.0, 0, 0);
+   glBlendFunc( GL_SRC_COLOR, GL_ZERO );
+   glBegin(GL_QUADS);
+   glVertex2f(-1, -1);
+   glVertex2f( 1, -1);
+   glVertex2f( 1,  1);
+   glVertex2f(-1,  1);
+   glEnd();
+
+
+   glTranslatef(3.0, 0, 0);
+   glBlendFunc( GL_ONE, GL_ZERO );
+   glBegin(GL_QUADS);
+   glVertex2f(-1, -1);
+   glVertex2f( 1, -1);
+   glVertex2f( 1,  1);
+   glVertex2f(-1,  1);
+   glEnd();
+
+   glBlendFunc( GL_ZERO, GL_DST_COLOR );
+   glBegin(GL_QUADS);
+   glVertex2f(-1, -1);
+   glVertex2f( 1, -1);
+   glVertex2f( 1,  1);
+   glVertex2f(-1,  1);
+   glEnd();
+
+   glPopMatrix();
+
+   glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+   GLfloat ar = (float) width / (float) height;
+   Width = width;
+   Height = height;
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glFrustum( -ar, ar, -1.0, 1.0, Near, Far );
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   glTranslatef( 0.0, 0.0, -15.0 );
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void Init( void )
+{
+   const char * const ver_string = (const char * const)
+       glGetString( GL_VERSION );
+   const double version = strtod( ver_string, NULL );
+
+   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
+   printf("GL_VERSION = %s\n", ver_string);
+
+   if ( (version < 1.4) && !glutExtensionSupported("GL_NV_blend_square")) {
+      printf("Sorry, this program requires either OpenGL 1.4 or GL_NV_blend_square\n");
+      exit(1);
+   }
+
+   printf("\nAll 4 squares should be the same color.  The two on the left are drawn\n"
+	  "without NV_blend_square functionality, and the two on the right are drawn\n"
+	  "with NV_blend_square functionality.  If the two on the left are dark, but\n"
+	  "the two on the right are not, then NV_blend_square is broken.\n");
+   glEnable( GL_BLEND );
+   glBlendEquation( GL_FUNC_ADD );
+}
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( Width, Height );
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
+   glutCreateWindow( "GL_NV_blend_square test" );
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutDisplayFunc( Display );
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/bufferobj.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/bufferobj.c
new file mode 100644
index 000000000..c765d2516
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/bufferobj.c
@@ -0,0 +1,359 @@
+/*
+ * Test GL_ARB_vertex_buffer_object
+ *
+ * Brian Paul
+ * 16 Sep 2003
+ */
+
+
+#define GL_GLEXT_PROTOTYPES
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <GL/glut.h>
+
+#define NUM_OBJECTS 10
+
+struct object
+{
+   GLuint BufferID;
+   GLuint ElementsBufferID;
+   GLuint NumVerts;
+   GLuint VertexOffset;
+   GLuint ColorOffset;
+   GLuint NumElements;
+};
+
+static struct object Objects[NUM_OBJECTS];
+static GLuint NumObjects;
+
+static GLfloat Xrot = 0, Yrot = 0, Zrot = 0;
+static GLboolean Anim = GL_TRUE;
+
+
+static void CheckError(int line)
+{
+   GLenum err = glGetError();
+   if (err) {
+      printf("GL Error 0x%x at line %d\n", (int) err, line);
+   }
+}
+
+
+static void DrawObject( const struct object *obj )
+{
+   glBindBufferARB(GL_ARRAY_BUFFER_ARB, obj->BufferID);
+   glVertexPointer(3, GL_FLOAT, 0, (void *) obj->VertexOffset);
+   glEnable(GL_VERTEX_ARRAY);
+
+   /* test push/pop attrib */
+   /* XXX this leads to a segfault with NVIDIA's 53.36 driver */
+#if 0
+   if (1)
+   {
+      glPushClientAttrib(GL_CLIENT_VERTEX_ARRAY_BIT);
+      /*glVertexPointer(3, GL_FLOAT, 0, (void *) (obj->VertexOffset + 10000));*/
+      glBindBufferARB(GL_ARRAY_BUFFER_ARB, 999999);
+      glPopClientAttrib();
+   }
+#endif
+   glColorPointer(3, GL_FLOAT, 0, (void *) obj->ColorOffset);
+   glEnable(GL_COLOR_ARRAY);
+
+   if (obj->NumElements > 0) {
+      /* indexed arrays */
+      glBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, obj->ElementsBufferID);
+      glDrawElements(GL_LINE_LOOP, obj->NumElements, GL_UNSIGNED_INT, NULL);
+   }
+   else {
+      /* non-indexed arrays */
+      glBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, 0);
+      glDrawArrays(GL_LINE_LOOP, 0, obj->NumVerts);
+   }
+}
+
+
+static void Idle( void )
+{
+   Zrot = 0.05 * glutGet(GLUT_ELAPSED_TIME);
+   glutPostRedisplay();
+}
+
+
+static void Display( void )
+{
+   int i;
+
+   glClear( GL_COLOR_BUFFER_BIT );
+
+   for (i = 0; i < NumObjects; i++) {
+      float x = 5.0 * ((float) i / (NumObjects-1) - 0.5);
+      glPushMatrix();
+      glTranslatef(x, 0, 0);
+      glRotatef(Xrot, 1, 0, 0);
+      glRotatef(Yrot, 0, 1, 0);
+      glRotatef(Zrot, 0, 0, 1);
+
+      DrawObject(Objects + i);
+
+      glPopMatrix();
+   }
+
+   CheckError(__LINE__);
+   glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+   float ar = (float) width / (float) height;
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glFrustum( -ar, ar, -1.0, 1.0, 5.0, 25.0 );
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   glTranslatef( 0.0, 0.0, -15.0 );
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   const GLfloat step = 3.0;
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 'a':
+         Anim = !Anim;
+         if (Anim)
+            glutIdleFunc(Idle);
+         else
+            glutIdleFunc(NULL);
+         break;
+      case 'z':
+         Zrot -= step;
+         break;
+      case 'Z':
+         Zrot += step;
+         break;
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void SpecialKey( int key, int x, int y )
+{
+   const GLfloat step = 3.0;
+   (void) x;
+   (void) y;
+   switch (key) {
+      case GLUT_KEY_UP:
+         Xrot -= step;
+         break;
+      case GLUT_KEY_DOWN:
+         Xrot += step;
+         break;
+      case GLUT_KEY_LEFT:
+         Yrot -= step;
+         break;
+      case GLUT_KEY_RIGHT:
+         Yrot += step;
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+
+static void MakeObject1(struct object *obj)
+{
+   GLfloat *v, *c;
+   void *p;
+   int i;
+   GLubyte buffer[500];
+
+   for (i = 0; i < 500; i++)
+      buffer[i] = i & 0xff;
+
+   obj->BufferID = 0;
+   glGenBuffersARB(1, &obj->BufferID);
+   assert(obj->BufferID != 0);
+   glBindBufferARB(GL_ARRAY_BUFFER_ARB, obj->BufferID);
+   glBufferDataARB(GL_ARRAY_BUFFER_ARB, 500, buffer, GL_STATIC_DRAW_ARB);
+
+   for (i = 0; i < 500; i++)
+      buffer[i] = 0;
+
+   glGetBufferSubDataARB(GL_ARRAY_BUFFER_ARB, 0, 500, buffer);
+
+   for (i = 0; i < 500; i++)
+      assert(buffer[i] == (i & 0xff));
+
+   glGetBufferParameterivARB(GL_ARRAY_BUFFER_ARB, GL_BUFFER_MAPPED_ARB, &i);
+   assert(!i);
+
+   glGetBufferParameterivARB(GL_ARRAY_BUFFER_ARB, GL_BUFFER_USAGE_ARB, &i);
+
+   v = (GLfloat *) glMapBufferARB(GL_ARRAY_BUFFER_ARB, GL_WRITE_ONLY_ARB);
+
+   /* do some sanity tests */
+   glGetBufferPointervARB(GL_ARRAY_BUFFER_ARB, GL_BUFFER_MAP_POINTER_ARB, &p);
+   assert(p == v);
+
+   glGetBufferParameterivARB(GL_ARRAY_BUFFER_ARB, GL_BUFFER_SIZE_ARB, &i);
+   assert(i == 500);
+
+   glGetBufferParameterivARB(GL_ARRAY_BUFFER_ARB, GL_BUFFER_USAGE_ARB, &i);
+   assert(i == GL_STATIC_DRAW_ARB);
+
+   glGetBufferParameterivARB(GL_ARRAY_BUFFER_ARB, GL_BUFFER_ACCESS_ARB, &i);
+   assert(i == GL_WRITE_ONLY_ARB);
+
+   glGetBufferParameterivARB(GL_ARRAY_BUFFER_ARB, GL_BUFFER_MAPPED_ARB, &i);
+   assert(i);
+
+   /* Make rectangle */
+   v[0] = -1;  v[1] = -1;  v[2] = 0;
+   v[3] =  1;  v[4] = -1;  v[5] = 0;
+   v[6] =  1;  v[7] =  1;  v[8] = 0;
+   v[9] = -1;  v[10] = 1;  v[11] = 0;
+   c = v + 12;
+   c[0] = 1;  c[1] = 0;  c[2] = 0;
+   c[3] = 1;  c[4] = 0;  c[5] = 0;
+   c[6] = 1;  c[7] = 0;  c[8] = 1;
+   c[9] = 1;  c[10] = 0;  c[11] = 1;
+   obj->NumVerts = 4;
+   obj->VertexOffset = 0;
+   obj->ColorOffset = 3 * sizeof(GLfloat) * obj->NumVerts;
+   obj->NumElements = 0;
+
+   glUnmapBufferARB(GL_ARRAY_BUFFER_ARB);
+
+   glGetBufferPointervARB(GL_ARRAY_BUFFER_ARB, GL_BUFFER_MAP_POINTER_ARB, &p);
+   assert(!p);
+
+   glGetBufferParameterivARB(GL_ARRAY_BUFFER_ARB, GL_BUFFER_MAPPED_ARB, &i);
+   assert(!i);
+}
+
+
+static void MakeObject2(struct object *obj)
+{
+   GLfloat *v, *c;
+
+   glGenBuffersARB(1, &obj->BufferID);
+   glBindBufferARB(GL_ARRAY_BUFFER_ARB, obj->BufferID);
+   glBufferDataARB(GL_ARRAY_BUFFER_ARB, 1000, NULL, GL_STATIC_DRAW_ARB);
+   v = (GLfloat *) glMapBufferARB(GL_ARRAY_BUFFER_ARB, GL_WRITE_ONLY_ARB);
+
+   /* Make triangle */
+   v[0] = -1;  v[1] = -1;  v[2] = 0;
+   v[3] =  1;  v[4] = -1;  v[5] = 0;
+   v[6] =  0;  v[7] =  1;  v[8] = 0;
+   c = v + 9;
+   c[0] = 0;  c[1] = 1;  c[2] = 0;
+   c[3] = 0;  c[4] = 1;  c[5] = 0;
+   c[6] = 1;  c[7] = 1;  c[8] = 0;
+   obj->NumVerts = 3;
+   obj->VertexOffset = 0;
+   obj->ColorOffset = 3 * sizeof(GLfloat) * obj->NumVerts;
+   obj->NumElements = 0;
+
+   glUnmapBufferARB(GL_ARRAY_BUFFER_ARB);
+}
+
+
+static void MakeObject3(struct object *obj)
+{
+   GLfloat vertexData[1000];
+   GLfloat *v, *c;
+   GLuint *i;
+   int bytes;
+
+   /* Make rectangle */
+   v = vertexData;
+   v[0] = -1;  v[1] = -0.5;  v[2] = 0;
+   v[3] =  1;  v[4] = -0.5;  v[5] = 0;
+   v[6] =  1;  v[7] =  0.5;  v[8] = 0;
+   v[9] = -1;  v[10] = 0.5;  v[11] = 0;
+   c = vertexData + 12;
+   c[0] = 0;  c[1] = 0;  c[2] = 1;
+   c[3] = 0;  c[4] = 0;  c[5] = 1;
+   c[6] = 0;  c[7] = 1;  c[8] = 1;
+   c[9] = 0;  c[10] = 1;  c[11] = 1;
+   obj->NumVerts = 4;
+   obj->VertexOffset = 0;
+   obj->ColorOffset = 3 * sizeof(GLfloat) * obj->NumVerts;
+
+   bytes = obj->NumVerts * (3 + 3) * sizeof(GLfloat);
+
+   /* Don't use glMap/UnmapBuffer for this object */
+   glGenBuffersARB(1, &obj->BufferID);
+   glBindBufferARB(GL_ARRAY_BUFFER_ARB, obj->BufferID);
+   glBufferDataARB(GL_ARRAY_BUFFER_ARB, bytes, vertexData, GL_STATIC_DRAW_ARB);
+
+   /* Setup a buffer of indices to test the ELEMENTS path */
+   glGenBuffersARB(1, &obj->ElementsBufferID);
+   glBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, obj->ElementsBufferID);
+   glBufferDataARB(GL_ELEMENT_ARRAY_BUFFER_ARB, 100, NULL, GL_STATIC_DRAW_ARB);
+   i = (GLuint *) glMapBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, GL_READ_WRITE_ARB);
+   i[0] = 0;
+   i[1] = 1;
+   i[2] = 2;
+   i[3] = 3;
+   glUnmapBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB);
+   obj->NumElements = 4;
+}
+
+
+
+static void Init( void )
+{
+   if (!glutExtensionSupported("GL_ARB_vertex_buffer_object")) {
+      printf("GL_ARB_vertex_buffer_object not found!\n");
+      exit(0);
+   }
+   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
+
+   /* Test buffer object deletion */
+   if (1) {
+      static GLubyte data[1000];
+      GLuint id = 999;
+      glBindBufferARB(GL_ARRAY_BUFFER_ARB, id);
+      glBufferDataARB(GL_ARRAY_BUFFER_ARB, 1000, data, GL_STATIC_DRAW_ARB);
+      glVertexPointer(3, GL_FLOAT, 0, (void *) 0);
+      glDeleteBuffersARB(1, &id);
+      assert(!glIsBufferARB(id));
+      glBindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
+      glVertexPointer(3, GL_FLOAT, 0, (void *) 0);
+      assert(!glIsBufferARB(id));
+   }
+
+   MakeObject1(Objects + 0);
+   MakeObject2(Objects + 1);
+   MakeObject3(Objects + 2);
+   NumObjects = 3;
+}
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( 600, 300 );
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
+   glutCreateWindow(argv[0]);
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutSpecialFunc( SpecialKey );
+   glutDisplayFunc( Display );
+   if (Anim)
+      glutIdleFunc(Idle);
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/bug_3101.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/bug_3101.c
new file mode 100644
index 000000000..761dcbb95
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/bug_3101.c
@@ -0,0 +1,128 @@
+/*
+ * (C) Copyright IBM Corporation 2005
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * on the rights to use, copy, modify, merge, publish, distribute, sub
+ * license, and/or sell copies of the Software, and to permit persons to whom
+ * the Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.  IN NO EVENT SHALL
+ * VA LINUX SYSTEM, IBM AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/**
+ * \file bug_3101.c
+ *
+ * Simple regression test for bug #3101.  Attempt to draw a single square.
+ * After emiting the first vertex, call \c glEdgeFlag to change the vertex
+ * format.  If the bug still exists, this will cause a segfault.
+ *
+ * \author Ian Romanick <idr@us.ibm.com>
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+static int Width = 400;
+static int Height = 200;
+static const GLfloat Near = 5.0, Far = 25.0;
+
+
+static void Display( void )
+{
+   glClearColor(0.2, 0.2, 0.8, 0);
+   glClear( GL_COLOR_BUFFER_BIT );
+
+   glPushMatrix();
+
+   /* This is the "reference" square.
+    */
+
+   glTranslatef(-4.5, 0, 0);
+   glBlendEquation( GL_FUNC_ADD );
+   glBlendFunc( GL_ONE, GL_ZERO );
+   glBegin(GL_QUADS);
+   glColor3f( 0.5, 0.5, 0.5 );
+   glVertex2f(-1, -1);
+   glVertex2f( 1, -1);
+   glEdgeFlag(GL_TRUE);
+   glVertex2f( 1,  1);
+   glVertex2f(-1,  1);
+   glEnd();
+
+   glPopMatrix();
+
+   glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+   GLfloat ar = (float) width / (float) height;
+   Width = width;
+   Height = height;
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glFrustum( -ar, ar, -1.0, 1.0, Near, Far );
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   glTranslatef( 0.0, 0.0, -15.0 );
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void Init( void )
+{
+   const char * const ver_string = (const char * const)
+       glGetString( GL_VERSION );
+
+   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
+   printf("GL_VERSION = %s\n", ver_string);
+
+   printf("\nThis program should draw a single square, but not crash.\n");
+   printf("This is a regression test for bug #3101.\n");
+   printf("https://bugs.freedesktop.org/show_bug.cgi?id=3101\n");
+   glEnable( GL_BLEND );
+}
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( Width, Height );
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
+   glutCreateWindow( "Bug #3101 Test" );
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutDisplayFunc( Display );
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/bug_3195.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/bug_3195.c
new file mode 100644
index 000000000..75de58b07
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/bug_3195.c
@@ -0,0 +1,275 @@
+/*
+ * Copyright (C) 2000  Brian Paul   All Rights Reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/**
+ * \file bug_3195.c
+ *
+ * Simple regression test for bug #3195.  A bug in the i180 driver caused
+ * a segfault (inside the driver) when the LOD bias is adjusted and no texture
+ * is enabled.  This test, which is based on progs/demos/lodbias.c, sets up
+ * all the texturing, disables all textures, adjusts the LOD bias, then
+ * re-enables \c GL_TEXTURE_2D.
+ *
+ * \author Brian Paul
+ * \author Ian Romanick <idr@us.ibm.com>
+ */
+
+#include <assert.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <math.h>
+#include <GL/glut.h>
+#include <GL/glext.h>
+
+#include "readtex.h"
+
+#define TEXTURE_FILE "../images/girl.rgb"
+
+static GLfloat Xrot = 0, Yrot = -30, Zrot = 0;
+static GLint Bias = 0, BiasStepSign = +1; /* ints avoid fp precision problem */
+static GLint BiasMin = -400, BiasMax = 400;
+
+
+
+static void
+PrintString(const char *s)
+{
+   while (*s) {
+      glutBitmapCharacter(GLUT_BITMAP_8_BY_13, (int) *s);
+      s++;
+   }
+}
+
+static void Idle( void )
+{
+   static int lastTime = 0;
+   int time = glutGet(GLUT_ELAPSED_TIME);
+   int step;
+
+   if (lastTime == 0)
+      lastTime = time;
+   else if (time - lastTime < 10)
+      return;
+
+   step = (time - lastTime) / 10 * BiasStepSign;
+   lastTime = time;
+
+   Bias += step;
+   if (Bias < BiasMin) {
+      exit(0);
+   }
+   else if (Bias > BiasMax) {
+      Bias = BiasMax;
+      BiasStepSign = -1;
+   }
+
+   glutPostRedisplay();
+}
+
+
+static void Display( void )
+{
+   char str[100];
+
+   glClear( GL_COLOR_BUFFER_BIT );
+
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glOrtho(-1, 1, -1, 1, -1, 1);
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   
+   glDisable(GL_TEXTURE_2D);
+   glColor3f(1,1,1);
+   glRasterPos3f(-0.9, -0.9, 0.0);
+   sprintf(str, "Texture LOD Bias = %4.1f", Bias * 0.01);
+   PrintString(str);
+
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glFrustum( -1.0, 1.0, -1.0, 1.0, 5.0, 25.0 );
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   glTranslatef( 0.0, 0.0, -8.0 );
+
+   glPushMatrix();
+   glRotatef(Xrot, 1, 0, 0);
+   glRotatef(Yrot, 0, 1, 0);
+   glRotatef(Zrot, 0, 0, 1);
+
+   glTexEnvf(GL_TEXTURE_FILTER_CONTROL_EXT, GL_TEXTURE_LOD_BIAS_EXT, 0.01 * Bias);
+   glEnable(GL_TEXTURE_2D);
+
+   glBegin(GL_POLYGON);
+   glTexCoord2f(0, 0);  glVertex2f(-1, -1);
+   glTexCoord2f(2, 0);  glVertex2f( 1, -1);
+   glTexCoord2f(2, 2);  glVertex2f( 1,  1);
+   glTexCoord2f(0, 2);  glVertex2f(-1,  1);
+   glEnd();
+
+   glPopMatrix();
+
+   glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+   glViewport( 0, 0, width, height );
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void SpecialKey( int key, int x, int y )
+{
+   const GLfloat step = 3.0;
+   (void) x;
+   (void) y;
+   switch (key) {
+      case GLUT_KEY_UP:
+         Xrot -= step;
+         break;
+      case GLUT_KEY_DOWN:
+         Xrot += step;
+         break;
+      case GLUT_KEY_LEFT:
+         Yrot -= step;
+         break;
+      case GLUT_KEY_RIGHT:
+         Yrot += step;
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void Init( void )
+{
+   GLfloat maxBias;
+   const char * const ver_string = (const char * const)
+       glGetString( GL_VERSION );
+
+   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
+   printf("GL_VERSION = %s\n", ver_string);
+
+   printf("\nThis program should function nearly identically to Mesa's lodbias demo.\n"
+	  "It should cycle through the complet LOD bias range once and exit.  If bug\n"
+	  "#3195 still exists, the demo should crash almost immediatly.\n");
+   printf("This is a regression test for bug #3101.\n");
+   printf("https://bugs.freedesktop.org/show_bug.cgi?id=3101\n");
+
+   if (!glutExtensionSupported("GL_EXT_texture_lod_bias")) {
+      printf("Sorry, GL_EXT_texture_lod_bias not supported by this renderer.\n");
+      exit(1);
+   }
+
+   glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+
+   if (glutExtensionSupported("GL_SGIS_generate_mipmap")) {
+      /* test auto mipmap generation */
+      GLint width, height, i;
+      GLenum format;
+      GLubyte *image = LoadRGBImage(TEXTURE_FILE, &width, &height, &format);
+      if (!image) {
+         printf("Error: could not load texture image %s\n", TEXTURE_FILE);
+         exit(1);
+      }
+      /* resize to 256 x 256 */
+      if (width != 256 || height != 256) {
+         GLubyte *newImage = malloc(256 * 256 * 4);
+         gluScaleImage(format, width, height, GL_UNSIGNED_BYTE, image,
+                       256, 256, GL_UNSIGNED_BYTE, newImage);
+         free(image);
+         image = newImage;
+      }
+      printf("Using GL_SGIS_generate_mipmap\n");
+      glTexParameteri(GL_TEXTURE_2D, GL_GENERATE_MIPMAP_SGIS, GL_TRUE);
+      glTexImage2D(GL_TEXTURE_2D, 0, format, 256, 256, 0,
+                   format, GL_UNSIGNED_BYTE, image);
+      free(image);
+
+      /* make sure mipmap was really generated correctly */
+      width = height = 256;
+      for (i = 0; i < 9; i++) {
+         GLint w, h;
+         glGetTexLevelParameteriv(GL_TEXTURE_2D, i, GL_TEXTURE_WIDTH, &w);
+         glGetTexLevelParameteriv(GL_TEXTURE_2D, i, GL_TEXTURE_HEIGHT, &h);
+         printf("Level %d size: %d x %d\n", i, w, h);
+         assert(w == width);
+         assert(h == height);
+         width /= 2;
+         height /= 2;
+      }
+
+   }
+   else if (!LoadRGBMipmaps(TEXTURE_FILE, GL_RGB)) {
+      printf("Error: could not load texture image %s\n", TEXTURE_FILE);
+      exit(1);
+   }
+
+   /* mipmapping required for this extension */
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+   glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+
+   glGetFloatv(GL_MAX_TEXTURE_LOD_BIAS_EXT, &maxBias);
+   printf("LOD bias range: [%g, %g]\n", -maxBias, maxBias);
+   BiasMin = -100 * maxBias;
+   BiasMax =  100 * maxBias;
+
+   /* Since we have (about) 8 mipmap levels, no need to bias beyond
+    * the range [-1, +8].
+    */
+   if (BiasMin < -100)
+      BiasMin = -100;
+   if (BiasMax > 800)
+      BiasMax = 800;
+}
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( 350, 350 );
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
+   glutCreateWindow( "Bug #3195 Test" );
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutSpecialFunc( SpecialKey );
+   glutDisplayFunc( Display );
+   glutIdleFunc(Idle);
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/crossbar.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/crossbar.c
new file mode 100644
index 000000000..12aabb1c9
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/crossbar.c
@@ -0,0 +1,235 @@
+/*
+ * (C) Copyright IBM Corporation 2005
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * on the rights to use, copy, modify, merge, publish, distribute, sub
+ * license, and/or sell copies of the Software, and to permit persons to whom
+ * the Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.  IN NO EVENT SHALL
+ * VA LINUX SYSTEM, IBM AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/**
+ * \file crossbar.c
+ * 
+ * Simple test of GL_ARB_texture_env_crossbar functionality.  Several squares
+ * are drawn with different texture combine modes, but all should be rendered
+ * with the same final color.
+ *
+ * \author Ian Romanick <idr@us.ibm.com>
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <GL/glut.h>
+
+static const GLint tests[][8] = {
+   { 1, GL_REPLACE,  GL_PRIMARY_COLOR, GL_PRIMARY_COLOR,
+     2, GL_REPLACE,  GL_TEXTURE,       GL_PRIMARY_COLOR },
+   { 3, GL_REPLACE,  GL_PRIMARY_COLOR, GL_PRIMARY_COLOR,
+     2, GL_SUBTRACT, GL_TEXTURE0,      GL_TEXTURE1 },
+   { 2, GL_REPLACE,  GL_PRIMARY_COLOR, GL_PRIMARY_COLOR,
+     2, GL_REPLACE,  GL_TEXTURE0,      GL_TEXTURE0 },
+   { 2, GL_REPLACE,  GL_PRIMARY_COLOR, GL_PRIMARY_COLOR,
+     1, GL_SUBTRACT, GL_TEXTURE0,      GL_TEXTURE1 },
+   { 3, GL_ADD,      GL_TEXTURE1,      GL_TEXTURE1,
+     2, GL_MODULATE, GL_TEXTURE1,      GL_PREVIOUS },
+   { 3, GL_ADD,      GL_TEXTURE1,      GL_TEXTURE1,
+     4, GL_MODULATE, GL_TEXTURE0,      GL_PREVIOUS },
+};
+
+#define NUM_TESTS (sizeof(tests) / sizeof(tests[0]))
+
+static int Width = 100 * (NUM_TESTS + 1);
+static int Height = 200;
+static const GLfloat Near = 5.0, Far = 25.0;
+
+
+static void Display( void )
+{
+   unsigned i;
+
+
+   glClearColor(0.2, 0.2, 0.8, 0);
+   glClear( GL_COLOR_BUFFER_BIT );
+
+   glPushMatrix();
+
+   /* This is the "reference" square.
+    */
+
+   glActiveTexture( GL_TEXTURE0 );
+   glDisable( GL_TEXTURE_2D );
+   glActiveTexture( GL_TEXTURE1 );
+   glDisable( GL_TEXTURE_2D );
+
+   glTranslatef(-(NUM_TESTS * 1.5), 0, 0);
+   glBegin(GL_QUADS);
+   glColor3f( 0.5, 0.5, 0.5 );
+   glVertex2f(-1, -1);
+   glVertex2f( 1, -1);
+   glVertex2f( 1,  1);
+   glVertex2f(-1,  1);
+   glEnd();
+
+   for ( i = 0 ; i < NUM_TESTS ; i++ ) {
+      glActiveTexture( GL_TEXTURE0 );
+      glEnable( GL_TEXTURE_2D );
+      glBindTexture( GL_TEXTURE_2D, tests[i][0] );
+      glTexEnvi( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE );
+      glTexEnvi( GL_TEXTURE_ENV, GL_COMBINE_RGB, tests[i][1] );
+      glTexEnvi( GL_TEXTURE_ENV, GL_SOURCE0_RGB, tests[i][2] );
+      glTexEnvi( GL_TEXTURE_ENV, GL_SOURCE1_RGB, tests[i][3] );
+
+      glActiveTexture( GL_TEXTURE1 );
+      glEnable( GL_TEXTURE_2D );
+      glBindTexture( GL_TEXTURE_2D, tests[i][4] );
+      glTexEnvi( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE );
+      glTexEnvi( GL_TEXTURE_ENV, GL_COMBINE_RGB, tests[i][5] );
+      glTexEnvi( GL_TEXTURE_ENV, GL_SOURCE0_RGB, tests[i][6] );
+      glTexEnvi( GL_TEXTURE_ENV, GL_SOURCE1_RGB, tests[i][7] );
+
+      glCallList(1);
+   }
+
+   glPopMatrix();
+
+   glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+   GLfloat ar = (float) width / (float) height;
+   Width = width;
+   Height = height;
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glFrustum( -ar, ar, -1.0, 1.0, Near, Far );
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   glTranslatef( 0.0, 0.0, -15.0 );
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void Init( void )
+{
+   const char * const ver_string = (const char * const)
+       glGetString( GL_VERSION );
+   float ver = strtof( ver_string, NULL );
+   GLint tex_units;
+   GLint temp[ 256 ];
+
+
+   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
+   printf("GL_VERSION = %s\n", ver_string);
+
+   if ( (!glutExtensionSupported("GL_ARB_multitexture") 
+	 && (ver < 1.3))
+	|| (!glutExtensionSupported("GL_ARB_texture_env_combine") 
+	    && !glutExtensionSupported("GL_EXT_texture_env_combine")
+	    && (ver < 1.3))
+	|| (!glutExtensionSupported("GL_ARB_texture_env_crossbar")
+	    && !glutExtensionSupported("GL_NV_texture_env_combine4")
+	    && (ver < 1.4)) ) {
+      printf("\nSorry, this program requires GL_ARB_multitexture and either\n"
+	     "GL_ARB_texture_env_combine or GL_EXT_texture_env_combine (or OpenGL 1.3).\n"
+	     "Either GL_ARB_texture_env_crossbar or GL_NV_texture_env_combine4 (or\n"
+	     "OpenGL 1.4) are also required.\n");
+      exit(1);
+   }
+
+   glGetIntegerv( GL_MAX_TEXTURE_UNITS, & tex_units );
+   if ( tex_units < 2 ) {
+      printf("\nSorry, this program requires at least 2 texture units.\n");
+      exit(1);
+   }
+
+   printf("\nAll %u squares should be the same color.\n", NUM_TESTS + 1);
+   
+   (void) memset( temp, 0x00, sizeof( temp ) );
+   glBindTexture( GL_TEXTURE_2D, 1 );
+   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST );
+   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST );
+   glTexImage2D( GL_TEXTURE_2D, 0, GL_RGBA, 8, 8, 0,
+		 GL_RGBA, GL_UNSIGNED_BYTE, temp );
+
+   (void) memset( temp, 0x7f, sizeof( temp ) );
+   glBindTexture( GL_TEXTURE_2D, 2 );
+   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST );
+   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST );
+   glTexImage2D( GL_TEXTURE_2D, 0, GL_RGBA, 8, 8, 0,
+		 GL_RGBA, GL_UNSIGNED_BYTE, temp );
+
+   (void) memset( temp, 0xff, sizeof( temp ) );
+   glBindTexture( GL_TEXTURE_2D, 3 );
+   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST );
+   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST );
+   glTexImage2D( GL_TEXTURE_2D, 0, GL_RGBA, 8, 8, 0,
+		 GL_RGBA, GL_UNSIGNED_BYTE, temp );
+
+   (void) memset( temp, 0x3f, sizeof( temp ) );
+   glBindTexture( GL_TEXTURE_2D, 4 );
+   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST );
+   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST );
+   glTexImage2D( GL_TEXTURE_2D, 0, GL_RGBA, 8, 8, 0,
+		 GL_RGBA, GL_UNSIGNED_BYTE, temp );
+
+
+   glNewList( 1, GL_COMPILE );
+   glTranslatef(3.0, 0, 0);
+   glBegin(GL_QUADS);
+   glColor3f( 0.9, 0.0, 0.0 );
+   glMultiTexCoord2f( GL_TEXTURE0, 0.5, 0.5 );
+   glMultiTexCoord2f( GL_TEXTURE1, 0.5, 0.5 );
+   glVertex2f(-1, -1);
+   glVertex2f( 1, -1);
+   glVertex2f( 1,  1);
+   glVertex2f(-1,  1);
+   glEnd();
+   glEndList();
+}
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( Width, Height );
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
+   glutCreateWindow( "GL_ARB_texture_env_crossbar test" );
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutDisplayFunc( Display );
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/cva.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/cva.c
new file mode 100644
index 000000000..3f7960f53
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/cva.c
@@ -0,0 +1,164 @@
+/* $Id: cva.c,v 1.7 2003/12/08 09:03:35 joukj Exp $ */
+
+/*
+ * Trivial CVA test, good for testing driver fastpaths (especially
+ * indexed vertex buffers if they are supported).
+ *
+ * Gareth Hughes
+ * November 2000
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#ifdef __VMS
+# include <stddef.h>	/* for ptrdiff_t, referenced by GL.h when GL_GLEXT_LEGACY defined */
+#else
+# include <malloc.h>	/* for ptrdiff_t, referenced by GL.h when GL_GLEXT_LEGACY defined */
+#endif
+#ifdef _WIN32
+#include <windows.h>
+#endif
+#define GL_GLEXT_LEGACY
+#include <GL/glut.h>
+
+
+GLfloat verts[][4] = {
+   { -0.5, -0.5, -2.0, 0.0 },
+   {  0.5, -0.5, -2.0, 0.0 },
+   { -0.5,  0.5, -2.0, 0.0 },
+   {  0.5,  0.5, -2.0, 0.0 },
+};
+
+GLubyte color[][4] = {
+   { 0xff, 0x00, 0x00, 0x00 },
+   { 0x00, 0xff, 0x00, 0x00 },
+   { 0x00, 0x00, 0xff, 0x00 },
+   { 0xff, 0xff, 0xff, 0x00 },
+};
+
+GLuint indices[] = { 0, 1, 2, 3 };
+
+GLboolean compiled = GL_TRUE;
+GLboolean doubleBuffer = GL_TRUE;
+
+
+void init( void )
+{
+   glClearColor( 0.0, 0.0, 0.0, 0.0 );
+   glShadeModel( GL_SMOOTH );
+
+   glFrontFace( GL_CCW );
+   glCullFace( GL_BACK );
+   glEnable( GL_CULL_FACE );
+
+   glEnable( GL_DEPTH_TEST );
+
+   glEnableClientState( GL_VERTEX_ARRAY );
+   glEnableClientState( GL_COLOR_ARRAY );
+
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glFrustum( -1.0, 1.0, -1.0, 1.0, 2.0, 10.0 );
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+
+   glVertexPointer( 3, GL_FLOAT, sizeof(verts[0]), verts );
+   glColorPointer( 4, GL_UNSIGNED_BYTE, 0, color );
+
+#ifdef GL_EXT_compiled_vertex_array
+   if ( compiled ) {
+      glLockArraysEXT( 0, 4 );
+   }
+#endif
+}
+
+void display( void )
+{
+   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+   glDrawElements( GL_TRIANGLES, 3, GL_UNSIGNED_INT, indices );
+
+   glFlush();
+   if ( doubleBuffer ) {
+      glutSwapBuffers();
+   }
+}
+
+void keyboard( unsigned char key, int x, int y )
+{
+   switch ( key ) {
+      case 27:
+         exit( 0 );
+         break;
+   }
+
+   glutPostRedisplay();
+}
+
+GLboolean args( int argc, char **argv )
+{
+    GLint i;
+
+    doubleBuffer = GL_TRUE;
+
+    for ( i = 1 ; i < argc ; i++ ) {
+	if ( strcmp( argv[i], "-sb" ) == 0 ) {
+	    doubleBuffer = GL_FALSE;
+	} else if ( strcmp( argv[i], "-db" ) == 0 ) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    fprintf( stderr, "%s (Bad option).\n", argv[i] );
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main( int argc, char **argv )
+{
+   GLenum type;
+   char *string;
+
+   glutInit( &argc, argv );
+
+   if ( args( argc, argv ) == GL_FALSE ) {
+      exit( 1 );
+   }
+
+   type = GLUT_RGB | GLUT_DEPTH;
+   type |= ( doubleBuffer ) ? GLUT_DOUBLE : GLUT_SINGLE;
+
+   glutInitDisplayMode( type );
+   glutInitWindowSize( 250, 250 );
+   glutInitWindowPosition( 100, 100 );
+   glutCreateWindow( "CVA Test" );
+
+   /* Make sure the server supports GL 1.2 vertex arrays.
+    */
+   string = (char *) glGetString( GL_VERSION );
+
+   if ( !strstr(string, "1.2") &&
+        !strstr(string, "1.3") &&
+        !strstr(string, "1.4")) {
+      fprintf( stderr, "This program requires OpenGL 1.2 vertex arrays.\n" );
+      exit( -1 );
+   }
+
+   /* See if the server supports compiled vertex arrays.
+    */
+   string = (char *) glGetString( GL_EXTENSIONS );
+
+   if ( !strstr( string, "GL_EXT_compiled_vertex_array" ) ) {
+      fprintf( stderr, "Compiled vertex arrays not supported by this renderer.\n" );
+      compiled = GL_FALSE;
+   }
+
+   init();
+
+   glutDisplayFunc( display );
+   glutKeyboardFunc( keyboard );
+   glutMainLoop();
+
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/debugger.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/debugger.c
new file mode 100644
index 000000000..4c6955bcf
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/debugger.c
@@ -0,0 +1,733 @@
+/*
+ * Test the GL_MESA_program_debug extension
+ */
+
+
+#include <assert.h>
+#include <ctype.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+
+
+/*
+ * Print the string with line numbers
+ */
+static void list_program(const GLubyte *string, GLsizei len)
+{
+   const char *c = (const char *) string;
+   int i, line = 1, printNumber = 1;
+
+   for (i = 0; i < len; i++) {
+      if (printNumber) {
+         printf("%3d ", line);
+         printNumber = 0;
+      }
+      if (*c == '\n') {
+         line++;
+         printNumber = 1;
+      }
+      putchar(*c);
+      c++;
+   }
+   putchar('\n');
+}
+
+
+/*
+ * Return the line number and column number that corresponds to the
+ * given program position.  Also return a null-terminated copy of that
+ * line of the program string.
+ */
+static const GLubyte *
+find_line_column(const GLubyte *string, const GLubyte *pos,
+                 GLint *line, GLint *col)
+{
+   const GLubyte *lineStart = string;
+   const GLubyte *p = string;
+   GLubyte *s;
+   int len;
+
+   *line = 1;
+
+   while (p != pos) {
+      if (*p == (GLubyte) '\n') {
+         (*line)++;
+         lineStart = p + 1;
+      }
+      p++;
+   }
+
+   *col = (pos - lineStart) + 1;
+
+   /* return copy of this line */
+   while (*p != 0 && *p != '\n')
+      p++;
+   len = p - lineStart;
+   s = (GLubyte *) malloc(len + 1);
+   memcpy(s, lineStart, len);
+   s[len] = 0;
+
+   return s;
+}
+
+
+#define ARB_VERTEX_PROGRAM    1
+#define ARB_FRAGMENT_PROGRAM  2
+#define NV_VERTEX_PROGRAM     3
+#define NV_FRAGMENT_PROGRAM   4
+
+
+struct breakpoint {
+   enum {PIXEL, LINE} type;
+   int x, y;
+   int line;
+   GLboolean enabled;
+};
+
+#define MAX_BREAKPOINTS 100
+static struct breakpoint Breakpoints[MAX_BREAKPOINTS];
+static int NumBreakpoints = 0;
+
+
+
+/*
+ * Interactive debugger
+ */
+static void Debugger2(GLenum target, GLvoid *data)
+{
+   static GLuint skipCount = 0;
+   const GLubyte *ln;
+   GLint pos, line, column;
+   GLint id;
+   int progType;
+   GLint len;
+   GLubyte *program;
+   GLboolean stop;
+   int i;
+
+   /* Sigh, GL_VERTEX_PROGRAM_ARB == GL_VERTEX_PROGRAM_NV so it's a bit
+    * hard to distinguish between them.
+    */
+   if (target == GL_FRAGMENT_PROGRAM_ARB)
+      progType = ARB_FRAGMENT_PROGRAM;
+   else if (target == GL_FRAGMENT_PROGRAM_NV)
+      progType = NV_FRAGMENT_PROGRAM;
+   else
+      progType = NV_VERTEX_PROGRAM;         
+
+   /* Until we hit zero, continue rendering */
+   if (skipCount > 0) {
+      skipCount--;
+      return;
+   }
+
+   /* Get id of the program and current position */
+   switch (progType) {
+   case ARB_FRAGMENT_PROGRAM:
+      glGetProgramivARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_BINDING_ARB, &id);
+      glGetIntegerv(GL_FRAGMENT_PROGRAM_POSITION_MESA, &pos);
+      break;
+   case NV_FRAGMENT_PROGRAM:
+      glGetIntegerv(GL_FRAGMENT_PROGRAM_BINDING_NV, &id);
+      glGetIntegerv(GL_FRAGMENT_PROGRAM_POSITION_MESA, &pos);
+      break;
+   case ARB_VERTEX_PROGRAM:
+      glGetProgramivARB(GL_VERTEX_PROGRAM_ARB, GL_PROGRAM_BINDING_ARB, &id);
+      glGetIntegerv(GL_VERTEX_PROGRAM_POSITION_MESA, &pos);
+      break;
+   case NV_VERTEX_PROGRAM:
+      glGetIntegerv(GL_VERTEX_PROGRAM_BINDING_NV, &id);
+      glGetIntegerv(GL_VERTEX_PROGRAM_POSITION_MESA, &pos);
+      break;
+   default:
+      abort();
+   }
+
+   /* get program string */
+   if (progType == ARB_VERTEX_PROGRAM ||
+       progType == ARB_FRAGMENT_PROGRAM)
+      glGetProgramivARB(target, GL_PROGRAM_LENGTH_ARB, &len);
+   else
+      glGetProgramivNV(id, GL_PROGRAM_LENGTH_NV, &len);
+   program = malloc(len + 1);
+   if (progType == ARB_VERTEX_PROGRAM ||
+       progType == ARB_FRAGMENT_PROGRAM)
+      glGetProgramStringARB(target, GL_PROGRAM_STRING_ARB, program);
+   else
+      glGetProgramStringNV(id, GL_PROGRAM_STRING_NV, program);
+
+
+   /* Get current line number, column, line string */
+   ln = find_line_column(program, program + pos, &line, &column);
+
+   /* test breakpoints */   
+   if (NumBreakpoints > 0)
+      stop = GL_FALSE;
+   else
+      stop = GL_TRUE;
+   for (i = 0; i < NumBreakpoints; i++) {
+      if (Breakpoints[i].enabled) {
+         switch (Breakpoints[i].type) {
+            case PIXEL:
+               if (progType == ARB_FRAGMENT_PROGRAM) {
+
+               }
+               else if (progType == NV_FRAGMENT_PROGRAM) {
+                  GLfloat pos[4];
+                  int px, py;
+                  glGetProgramRegisterfvMESA(GL_FRAGMENT_PROGRAM_NV,
+                                             6, (GLubyte *) "f[WPOS]", pos);
+                  px = (int) pos[0];
+                  py = (int) pos[1];
+                  printf("%d, %d\n", px, py);
+                  if (px == Breakpoints[i].x &&
+                      py == Breakpoints[i].y) {
+                     printf("Break at pixel (%d, %d)\n", px, py);
+                     stop = GL_TRUE;
+                  }
+               }
+               break;
+            case LINE:
+               if (line == Breakpoints[i].line) {
+                  /* hit a breakpoint! */
+                  printf("Break at line %d\n", line);
+                  stop = GL_TRUE;
+               }
+               break;
+         }
+      }
+   }
+   if (!stop) {
+      free(program);
+      return;
+   }
+
+   printf("%d: %s\n", line, ln);
+
+   /* get commands from stdin */
+   while (1) {
+      char command[1000], *cmd;
+
+      /* print prompt and get command */
+      printf("(%s %d) ", (target == GL_VERTEX_PROGRAM_ARB ? "vert" : "frag"),
+             line);
+      fgets(command, 999, stdin);
+
+      /* skip leading whitespace */
+      for (cmd = command; cmd[0] == ' '; cmd++)
+         ;
+
+      if (!cmd[0])
+         /* nothing (repeat the previous cmd?) */
+         continue;
+
+      switch (cmd[0]) {
+         case 's':
+            /* skip N instructions */
+            i = atoi(cmd + 2);
+            skipCount = i;
+            printf("Skipping %d instructions\n", i);
+            return;
+         case 'n':
+            /* next */
+            return;
+         case 'c':
+            return;
+         case 'd':
+            /* dump machine state */
+            if (progType == NV_FRAGMENT_PROGRAM) {
+               static const char *inRegs[] = {
+                  "f[WPOS]", "f[COL0]", "f[COL1]", "f[FOGC]",
+                  "f[TEX0]", "f[TEX1]", "f[TEX2]", "f[TEX3]",
+                  NULL
+               };
+               static const char *outRegs[] = {
+                  "o[COLR]", "o[COLH]", "o[DEPR]", NULL
+               };
+               GLfloat v[4];
+               int i;
+               printf("Fragment input attributes:\n");
+               for (i = 0; inRegs[i]; i++) {
+                  glGetProgramRegisterfvMESA(GL_FRAGMENT_PROGRAM_NV,
+                                             strlen(inRegs[i]),
+                                             (const GLubyte *) inRegs[i], v);
+                  printf("  %s: %g, %g, %g, %g\n", inRegs[i],
+                         v[0], v[1], v[2], v[3]);
+               }
+               printf("Fragment output attributes:\n");
+               for (i = 0; outRegs[i]; i++) {
+                  glGetProgramRegisterfvMESA(GL_FRAGMENT_PROGRAM_NV,
+                                             strlen(outRegs[i]),
+                                             (const GLubyte *) outRegs[i], v);
+                  printf("  %s: %g, %g, %g, %g\n", outRegs[i],
+                         v[0], v[1], v[2], v[3]);
+               }
+               printf("Temporaries:\n");
+               for (i = 0; i < 4; i++) {
+                  char temp[100];
+                  GLfloat v[4];
+                  sprintf(temp, "R%d", i);
+                  glGetProgramRegisterfvMESA(GL_FRAGMENT_PROGRAM_NV,
+                                             strlen(temp),
+                                             (const GLubyte *) temp, v);
+                  printf("  %s: %g, %g, %g, %g\n", temp, v[0],v[1],v[2],v[3]);
+               }
+            }
+            else if (progType == NV_VERTEX_PROGRAM) {
+               GLfloat v[4];
+               int i;
+               static const char *inRegs[] = {
+                  "v[OPOS]", "v[WGHT]", "v[NRML]", "v[COL0]",
+                  "v[COL1]", "v[FOGC]", "v[6]", "v[7]",
+                  "v[TEX0]", "v[TEX1]", "v[TEX2]", "v[TEX3]",
+                  "v[TEX4]", "v[TEX5]", "v[TEX6]", "v[TEX7]",
+                  NULL
+               };
+               static const char *outRegs[] = {
+                  "o[HPOS]", "o[COL0]", "o[COL1]", "o[BFC0]",
+                  "o[BFC1]", "o[FOGC]", "o[PSIZ]",
+                  "o[TEX0]", "o[TEX1]", "o[TEX2]", "o[TEX3]",
+                  "o[TEX4]", "o[TEX5]", "o[TEX6]", "o[TEX7]",
+                  NULL
+               };
+               printf("Vertex input attributes:\n");
+               for (i = 0; inRegs[i]; i++) {
+                  glGetProgramRegisterfvMESA(GL_VERTEX_PROGRAM_NV,
+                                             strlen(inRegs[i]),
+                                             (const GLubyte *) inRegs[i], v);
+                  printf("  %s: %g, %g, %g, %g\n", inRegs[i],
+                         v[0], v[1], v[2], v[3]);
+               }
+               printf("Vertex output attributes:\n");
+               for (i = 0; outRegs[i]; i++) {
+                  glGetProgramRegisterfvMESA(GL_VERTEX_PROGRAM_NV,
+                                             strlen(outRegs[i]),
+                                             (const GLubyte *) outRegs[i], v);
+                  printf("  %s: %g, %g, %g, %g\n", outRegs[i],
+                         v[0], v[1], v[2], v[3]);
+               }
+               printf("Temporaries:\n");
+               for (i = 0; i < 4; i++) {
+                  char temp[100];
+                  GLfloat v[4];
+                  sprintf(temp, "R%d", i);
+                  glGetProgramRegisterfvMESA(GL_VERTEX_PROGRAM_NV,
+                                             strlen(temp),
+                                             (const GLubyte *) temp, v);
+                  printf("  %s: %g, %g, %g, %g\n", temp, v[0],v[1],v[2],v[3]);
+               }
+            }
+            break;
+         case 'l':
+            /* list */
+            list_program(program, len);
+            break;
+         case 'p':
+            /* print */
+            {
+               GLfloat v[4];
+               char *c;
+               cmd++;
+               while (*cmd == ' ')
+                  cmd++;
+               c = cmd;
+               while (*c) {
+                  if (*c == '\n' || *c == '\r')
+                     *c = 0;
+                  else
+                     c++;
+               }
+               glGetProgramRegisterfvMESA(target, strlen(cmd),
+                                          (const GLubyte *) cmd, v);
+               if (glGetError() == GL_NO_ERROR)
+                  printf("%s = %g, %g, %g, %g\n", cmd, v[0], v[1], v[2], v[3]);
+               else
+                  printf("Invalid expression\n");
+            }
+            break;
+         case 'b':
+            if (cmd[1] == ' ' && isdigit(cmd[2])) {
+               char *comma = strchr(cmd, ',');
+               if (comma) {
+                  /* break at pixel */
+                  int x = atoi(cmd + 2);
+                  int y = atoi(comma + 1);
+                  if (NumBreakpoints < MAX_BREAKPOINTS) {
+                     Breakpoints[NumBreakpoints].type = PIXEL;
+                     Breakpoints[NumBreakpoints].x = x;
+                     Breakpoints[NumBreakpoints].y = y;
+                     Breakpoints[NumBreakpoints].enabled = GL_TRUE;
+                     NumBreakpoints++;
+                     printf("Breakpoint %d: break at pixel (%d, %d)\n",
+                            NumBreakpoints, x, y);
+                  }
+               }
+               else {
+                  /* break at line */
+                  int l = atoi(cmd + 2);
+                  if (l && NumBreakpoints < MAX_BREAKPOINTS) {
+                     Breakpoints[NumBreakpoints].type = LINE;
+                     Breakpoints[NumBreakpoints].line = l;
+                     Breakpoints[NumBreakpoints].enabled = GL_TRUE;
+                     NumBreakpoints++;
+                     printf("Breakpoint %d: break at line %d\n",
+                            NumBreakpoints, l);
+                  }
+               }
+            }
+            else {
+               /* list breakpoints */
+               printf("Breakpoints:\n");
+               for (i = 0; i < NumBreakpoints; i++) {
+                  switch (Breakpoints[i].type) {
+                  case LINE:
+                     printf("  %d: break at line %d\n",
+                            i + 1, Breakpoints[i].line);
+                     break;
+                  case PIXEL:
+                     printf("  %d: break at pixel (%d, %d)\n",
+                            i + 1, Breakpoints[i].x, Breakpoints[i].y);
+                     break;
+                  }
+               }
+            }
+            break;
+         case 'h':
+            /* help */
+            printf("Debugger commands:\n");
+            printf("  b      list breakpoints\n");
+            printf("  b N    break at line N\n");
+            printf("  b x,y  break at pixel x,y\n");
+            printf("  c      continue execution\n");
+            printf("  d      display register values\n");
+            printf("  h      help\n");
+            printf("  l      list program\n");
+            printf("  n      next instruction\n");
+            printf("  p V    print value V\n");
+            printf("  s N    skip N instructions\n");
+            break;
+         default:
+            printf("Unknown command: %c\n", cmd[0]);
+      }
+   }
+}
+
+
+/*
+ * Print current line, some registers, and continue.
+ */
+static void Debugger(GLenum target, GLvoid *data)
+{
+   GLint pos;
+   const GLubyte *ln;
+   GLint line, column;
+   GLfloat v[4];
+
+   assert(target == GL_FRAGMENT_PROGRAM_NV);
+
+   glGetIntegerv(GL_FRAGMENT_PROGRAM_POSITION_MESA, &pos);
+
+   ln = find_line_column((const GLubyte *) data, (const GLubyte *) data + pos,
+                         &line, &column);
+   printf("%d:%d: %s\n", line, column, (char *) ln);
+
+   glGetProgramRegisterfvMESA(GL_FRAGMENT_PROGRAM_NV,
+                              2, (const GLubyte *) "R0", v);
+   printf("  R0 = %g, %g, %g, %g\n", v[0], v[1], v[2], v[3]);
+   glGetProgramRegisterfvMESA(GL_FRAGMENT_PROGRAM_NV,
+                              7, (const GLubyte *) "f[WPOS]", v);
+   printf("  o[WPOS] = %g, %g, %g, %g\n", v[0], v[1], v[2], v[3]);
+   glGetProgramRegisterfvMESA(GL_FRAGMENT_PROGRAM_NV,
+                              7, (const GLubyte *) "o[COLR]", v);
+   printf("  o[COLR] = %g, %g, %g, %g\n", v[0], v[1], v[2], v[3]);
+
+   free((void *) ln);
+}
+
+
+
+
+/**********************************************************************/
+
+static GLfloat Diffuse[4] = { 0.5, 0.5, 1.0, 1.0 };
+static GLfloat Specular[4] = { 0.8, 0.8, 0.8, 1.0 };
+static GLfloat LightPos[4] = { 0.0, 10.0, 20.0, 1.0 };
+static GLfloat Delta = 1.0;
+
+static GLuint FragProg;
+static GLuint VertProg;
+static GLboolean Anim = GL_TRUE;
+static GLboolean Wire = GL_FALSE;
+static GLboolean PixelLight = GL_TRUE;
+
+static GLfloat Xrot = 0, Yrot = 0;
+
+
+#define NAMED_PARAMETER4FV(prog, name, v)        \
+  glProgramNamedParameter4fvNV(prog, strlen(name), (const GLubyte *) name, v)
+
+
+static void Display( void )
+{
+   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+   if (PixelLight) {
+      NAMED_PARAMETER4FV(FragProg, "LightPos", LightPos);
+      glEnable(GL_FRAGMENT_PROGRAM_NV);
+      glEnable(GL_VERTEX_PROGRAM_NV);
+      glDisable(GL_LIGHTING);
+   }
+   else {
+      glLightfv(GL_LIGHT0, GL_POSITION, LightPos);
+      glDisable(GL_FRAGMENT_PROGRAM_NV);
+      glDisable(GL_VERTEX_PROGRAM_NV);
+      glEnable(GL_LIGHTING);
+   }
+
+   glPushMatrix();
+   glRotatef(Xrot, 1, 0, 0);
+   glRotatef(Yrot, 0, 1, 0);
+
+#if 1
+   glutSolidSphere(2.0, 10, 5);
+#else
+   {
+      GLUquadricObj *q = gluNewQuadric();
+      gluQuadricNormals(q, GL_SMOOTH);
+      gluQuadricTexture(q, GL_TRUE);
+      glRotatef(90, 1, 0, 0);
+      glTranslatef(0, 0, -1);
+      gluCylinder(q, 1.0, 1.0, 2.0, 24, 1);
+      gluDeleteQuadric(q);
+   }
+#endif
+
+   glPopMatrix();
+
+   glutSwapBuffers();
+}
+
+
+static void Idle(void)
+{
+   LightPos[0] += Delta;
+   if (LightPos[0] > 25.0)
+      Delta = -1.0;
+   else if (LightPos[0] <- 25.0)
+      Delta = 1.0;
+   glutPostRedisplay();
+}
+
+
+static void Reshape( int width, int height )
+{
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glFrustum( -1.0, 1.0, -1.0, 1.0, 5.0, 25.0 );
+   /*glOrtho( -2.0, 2.0, -2.0, 2.0, 5.0, 25.0 );*/
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   glTranslatef( 0.0, 0.0, -15.0 );
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+     case ' ':
+        Anim = !Anim;
+        if (Anim)
+           glutIdleFunc(Idle);
+        else
+           glutIdleFunc(NULL);
+        break;
+      case 'x':
+         LightPos[0] -= 1.0;
+         break;
+      case 'X':
+         LightPos[0] += 1.0;
+         break;
+      case 'w':
+         Wire = !Wire;
+         if (Wire)
+            glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
+         else
+            glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
+         break;
+      case 'p':
+         PixelLight = !PixelLight;
+         if (PixelLight) {
+            printf("Per-pixel lighting\n");
+         }
+         else {
+            printf("Conventional lighting\n");
+         }
+         break;
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+static void SpecialKey( int key, int x, int y )
+{
+   const GLfloat step = 3.0;
+   (void) x;
+   (void) y;
+   switch (key) {
+      case GLUT_KEY_UP:
+         Xrot -= step;
+         break;
+      case GLUT_KEY_DOWN:
+         Xrot += step;
+         break;
+      case GLUT_KEY_LEFT:
+         Yrot -= step;
+         break;
+      case GLUT_KEY_RIGHT:
+         Yrot += step;
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void Init( int argc, char *argv[] )
+{
+   static const char *fragProgramText =
+      "!!FP1.0\n"
+      "DECLARE Diffuse; \n"
+      "DECLARE Specular; \n"
+      "DECLARE LightPos; \n"
+
+      "# Compute normalized LightPos, put it in R0\n"
+      "DP3 R0.x, LightPos, LightPos;\n"
+      "RSQ R0.y, R0.x;\n"
+      "MUL R0, LightPos, R0.y;\n"
+
+      "# Compute normalized normal, put it in R1\n"
+      "DP3 R1, f[TEX0], f[TEX0]; \n"
+      "RSQ R1.y, R1.x;\n"
+      "MUL R1, f[TEX0], R1.y;\n"
+
+      "# Compute dot product of light direction and normal vector\n"
+      "DP3 R2, R0, R1;\n"
+
+      "MUL R3, Diffuse, R2;    # diffuse attenuation\n"
+
+      "POW R4, R2.x, {20.0}.x; # specular exponent\n"
+
+      "MUL R5, Specular, R4;   # specular attenuation\n"
+
+      "ADD o[COLR], R3, R5;    # add diffuse and specular colors\n"
+      "END \n"
+      ;
+
+   static const char *vertProgramText =
+      "!!VP1.0\n"
+      "# typical modelview/projection transform\n"
+      "DP4   o[HPOS].x, c[0], v[OPOS] ;\n"
+      "DP4   o[HPOS].y, c[1], v[OPOS] ;\n"
+      "DP4   o[HPOS].z, c[2], v[OPOS] ;\n"
+      "DP4   o[HPOS].w, c[3], v[OPOS] ;\n"
+      "# transform normal by inv transpose of modelview, put in tex0\n"
+      "DP4   o[TEX0].x, c[4], v[NRML] ;\n"
+      "DP4   o[TEX0].y, c[5], v[NRML] ;\n"
+      "DP4   o[TEX0].z, c[6], v[NRML] ;\n"
+      "DP4   o[TEX0].w, c[7], v[NRML] ;\n"
+      "END\n";
+   ;
+
+   if (!glutExtensionSupported("GL_NV_vertex_program")) {
+      printf("Sorry, this demo requires GL_NV_vertex_program\n");
+      exit(1);
+   }
+   if (!glutExtensionSupported("GL_NV_fragment_program")) {
+      printf("Sorry, this demo requires GL_NV_fragment_program\n");
+      exit(1);
+   }
+         
+   glGenProgramsNV(1, &FragProg);
+   assert(FragProg > 0);
+   glGenProgramsNV(1, &VertProg);
+   assert(VertProg > 0);
+
+   /*
+    * Fragment program
+    */
+   glLoadProgramNV(GL_FRAGMENT_PROGRAM_NV, FragProg,
+                   strlen(fragProgramText),
+                   (const GLubyte *) fragProgramText);
+   assert(glIsProgramNV(FragProg));
+   glBindProgramNV(GL_FRAGMENT_PROGRAM_NV, FragProg);
+
+   NAMED_PARAMETER4FV(FragProg, "Diffuse", Diffuse);
+   NAMED_PARAMETER4FV(FragProg, "Specular", Specular);
+
+   /*
+    * Vertex program
+    */
+   glLoadProgramNV(GL_VERTEX_PROGRAM_NV, VertProg,
+                   strlen(vertProgramText),
+                   (const GLubyte *) vertProgramText);
+   assert(glIsProgramNV(VertProg));
+   glBindProgramNV(GL_VERTEX_PROGRAM_NV, VertProg);
+   glTrackMatrixNV(GL_VERTEX_PROGRAM_NV, 0, GL_MODELVIEW_PROJECTION_NV, GL_IDENTITY_NV);
+   glTrackMatrixNV(GL_VERTEX_PROGRAM_NV, 4, GL_MODELVIEW, GL_INVERSE_TRANSPOSE_NV);
+
+   /*
+    * Misc init
+    */
+   glClearColor(0.3, 0.3, 0.3, 0.0);
+   glEnable(GL_DEPTH_TEST);
+   glEnable(GL_LIGHT0);
+   glEnable(GL_LIGHTING);
+   glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, Diffuse);
+   glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, Specular);
+   glMaterialf(GL_FRONT_AND_BACK, GL_SHININESS, 20.0);
+
+   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
+   printf("Press p to toggle between per-pixel and per-vertex lighting\n");
+
+#ifdef GL_MESA_program_debug
+   if (argc > 1 && strcmp(argv[1], "fragment") == 0) {
+      printf(">> Debugging fragment program\n");
+      glProgramCallbackMESA(GL_FRAGMENT_PROGRAM_ARB, Debugger2,
+                            (GLvoid *) fragProgramText);
+      glEnable(GL_FRAGMENT_PROGRAM_CALLBACK_MESA);
+   }
+   else {
+      printf(">> Debugging vertex program\n");
+      glProgramCallbackMESA(GL_VERTEX_PROGRAM_ARB, Debugger2,
+                            (GLvoid *) fragProgramText);
+      glEnable(GL_VERTEX_PROGRAM_CALLBACK_MESA);
+   }
+#endif
+}
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( 200, 200 );
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
+   glutCreateWindow(argv[0]);
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutSpecialFunc( SpecialKey );
+   glutDisplayFunc( Display );
+   if (Anim)
+      glutIdleFunc(Idle);
+   Init(argc, argv);
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/descrip.mms b/nx-X11/extras/Mesa_6.4.2/progs/tests/descrip.mms
new file mode 100644
index 000000000..b0ff2610d
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/descrip.mms
@@ -0,0 +1,84 @@
+# Makefile for GLUT-based demo programs for VMS
+# contributed by Jouk Jansen  joukj@hrem.stm.tudelft.nl
+
+
+.first
+	define gl [--.include.gl]
+
+.include [--]mms-config.
+
+##### MACROS #####
+
+INCDIR = ([--.include],[-.util])
+CFLAGS = /include=$(INCDIR)/prefix=all/name=(as_is,short)
+
+.ifdef SHARE
+GL_LIBS = $(XLIBS)
+.else
+GL_LIBS = [--.lib]libGLUT/l,libMesaGLU/l,libMesaGL/l,$(XLIBS)
+.endif
+
+LIB_DEP = [--.lib]$(GL_LIB) [--.lib]$(GLU_LIB) [--.lib]$(GLUT_LIB)
+
+PROGS = cva.exe,\
+	dinoshade.exe,\
+	fogcoord.exe,\
+	manytex.exe,\
+	multipal.exe,\
+	projtex.exe,\
+	seccolor.exe,\
+	sharedtex.exe,\
+	texline.exe,\
+	texwrap.exe,\
+	vptest1.exe,\
+	vptest2.exe,\
+	vptest3.exe,\
+	vptorus.exe,\
+	vpwarpmesh.exe
+
+##### RULES #####
+.obj.exe :
+	cxxlink $(MMS$TARGET_NAME),$(GL_LIBS)
+
+##### TARGETS #####
+default :
+	$(MMS)$(MMSQUALIFIERS) $(PROGS)
+
+clean :
+	delete *.obj;*
+
+realclean :
+	delete $(PROGS)
+	delete *.obj;*
+
+cva.exe : cva.obj $(LIB_DEP)
+dinoshade.exe : dinoshade.obj $(LIB_DEP)
+fogcoord.exe : fogcoord.obj $(LIB_DEP)
+manytex.exe : manytex.obj $(LIB_DEP)
+multipal.exe : multipal.obj $(LIB_DEP)
+projtex.exe : projtex.obj $(LIB_DEP)
+seccolor.exe : seccolor.obj $(LIB_DEP)
+sharedtex.exe : sharedtex.obj $(LIB_DEP)
+texline.exe : texline.obj $(LIB_DEP)
+texwrap.exe : texwrap.obj $(LIB_DEP)
+vptest1.exe : vptest1.obj $(LIB_DEP)
+vptest2.exe : vptest2.obj $(LIB_DEP)
+vptest3.exe : vptest3.obj $(LIB_DEP)
+vptorus.exe : vptorus.obj $(LIB_DEP)
+vpwarpmesh.exe : vpwarpmesh.obj $(LIB_DEP)
+
+cva.obj : cva.c
+dinoshade.obj : dinoshade.c
+fogcoord.obj : fogcoord.c
+manytex.obj : manytex.c
+multipal.obj : multipal.c
+projtex.obj : projtex.c
+seccolor.obj : seccolor.c
+sharedtex.obj : sharedtex.c
+texline.obj : texline.c
+texwrap.obj : texwrap.c
+vptest1.obj : vptest1.c
+vptest2.obj : vptest2.c
+vptest3.obj : vptest3.c
+vptorus.obj : vptorus.c
+vpwarpmesh.obj : vpwarpmesh.c
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/dinoshade.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/dinoshade.c
new file mode 100644
index 000000000..ed7b879bc
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/dinoshade.c
@@ -0,0 +1,914 @@
+
+/* Copyright (c) Mark J. Kilgard, 1994, 1997.  */
+
+/* This program is freely distributable without licensing fees 
+   and is provided without guarantee or warrantee expressed or 
+   implied. This program is -not- in the public domain. */
+
+/* Example for PC game developers to show how to *combine* texturing,
+   reflections, and projected shadows all in real-time with OpenGL.
+   Robust reflections use stenciling.  Robust projected shadows
+   use both stenciling and polygon offset.  PC game programmers
+   should realize that neither stenciling nor polygon offset are 
+   supported by Direct3D, so these real-time rendering algorithms
+   are only really viable with OpenGL. 
+   
+   The program has modes for disabling the stenciling and polygon
+   offset uses.  It is worth running this example with these features
+   toggled off so you can see the sort of artifacts that result.
+   
+   Notice that the floor texturing, reflections, and shadowing
+   all co-exist properly. */
+
+/* When you run this program:  Left mouse button controls the
+   view.  Middle mouse button controls light position (left &
+   right rotates light around dino; up & down moves light
+   position up and down).  Right mouse button pops up menu. */
+
+/* Check out the comments in the "redraw" routine to see how the
+   reflection blending and surface stenciling is done.  You can
+   also see in "redraw" how the projected shadows are rendered,
+   including the use of stenciling and polygon offset. */
+
+/* This program is derived from glutdino.c */
+
+/* Compile: cc -o dinoshade dinoshade.c -lglut -lGLU -lGL -lXmu -lXext -lX11 -lm */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>       /* for cos(), sin(), and sqrt() */
+#ifdef __VMS
+# include <stddef.h>	/* for ptrdiff_t, referenced by GL.h when GL_GLEXT_LEGACY defined */
+#else
+# include <malloc.h>	/* for ptrdiff_t, referenced by GL.h when GL_GLEXT_LEGACY defined */
+#endif
+#ifdef _WIN32
+#include <windows.h>
+#endif
+#define GL_GLEXT_LEGACY
+#include <GL/glut.h>    /* OpenGL Utility Toolkit header */
+
+/* Some <math.h> files do not define M_PI... */
+#ifndef M_PI
+#define M_PI 3.14159265358979323846
+#endif
+
+/* Variable controlling various rendering modes. */
+static int stencilReflection = 1, stencilShadow = 1, offsetShadow = 1;
+static int renderShadow = 1, renderDinosaur = 1, renderReflection = 1;
+static int linearFiltering = 0, useMipmaps = 0, useTexture = 1;
+static int reportSpeed = 0;
+static int animation = 1;
+static GLboolean lightSwitch = GL_TRUE;
+static int directionalLight = 1;
+static int forceExtension = 0;
+
+/* Time varying or user-controled variables. */
+static float jump = 0.0;
+static float lightAngle = 0.0, lightHeight = 20;
+GLfloat angle = -150;   /* in degrees */
+GLfloat angle2 = 30;   /* in degrees */
+
+int moving, startx, starty;
+int lightMoving = 0, lightStartX, lightStartY;
+
+enum {
+  MISSING, EXTENSION, ONE_DOT_ONE
+};
+int polygonOffsetVersion;
+
+static GLdouble bodyWidth = 3.0;
+/* *INDENT-OFF* */
+static GLfloat body[][2] = { {0, 3}, {1, 1}, {5, 1}, {8, 4}, {10, 4}, {11, 5},
+  {11, 11.5}, {13, 12}, {13, 13}, {10, 13.5}, {13, 14}, {13, 15}, {11, 16},
+  {8, 16}, {7, 15}, {7, 13}, {8, 12}, {7, 11}, {6, 6}, {4, 3}, {3, 2},
+  {1, 2} };
+static GLfloat arm[][2] = { {8, 10}, {9, 9}, {10, 9}, {13, 8}, {14, 9}, {16, 9},
+  {15, 9.5}, {16, 10}, {15, 10}, {15.5, 11}, {14.5, 10}, {14, 11}, {14, 10},
+  {13, 9}, {11, 11}, {9, 11} };
+static GLfloat leg[][2] = { {8, 6}, {8, 4}, {9, 3}, {9, 2}, {8, 1}, {8, 0.5}, {9, 0},
+  {12, 0}, {10, 1}, {10, 2}, {12, 4}, {11, 6}, {10, 7}, {9, 7} };
+static GLfloat eye[][2] = { {8.75, 15}, {9, 14.7}, {9.6, 14.7}, {10.1, 15},
+  {9.6, 15.25}, {9, 15.25} };
+static GLfloat lightPosition[4];
+static GLfloat lightColor[] = {0.8, 1.0, 0.8, 1.0}; /* green-tinted */
+static GLfloat skinColor[] = {0.1, 1.0, 0.1, 1.0}, eyeColor[] = {1.0, 0.2, 0.2, 1.0};
+/* *INDENT-ON* */
+
+/* Nice floor texture tiling pattern. */
+static char *circles[] = {
+  "....xxxx........",
+  "..xxxxxxxx......",
+  ".xxxxxxxxxx.....",
+  ".xxx....xxx.....",
+  "xxx......xxx....",
+  "xxx......xxx....",
+  "xxx......xxx....",
+  "xxx......xxx....",
+  ".xxx....xxx.....",
+  ".xxxxxxxxxx.....",
+  "..xxxxxxxx......",
+  "....xxxx........",
+  "................",
+  "................",
+  "................",
+  "................",
+};
+
+static void
+makeFloorTexture(void)
+{
+  GLubyte floorTexture[16][16][3];
+  GLubyte *loc;
+  int s, t;
+
+  /* Setup RGB image for the texture. */
+  loc = (GLubyte*) floorTexture;
+  for (t = 0; t < 16; t++) {
+    for (s = 0; s < 16; s++) {
+      if (circles[t][s] == 'x') {
+	/* Nice green. */
+        loc[0] = 0x1f;
+        loc[1] = 0x8f;
+        loc[2] = 0x1f;
+      } else {
+	/* Light gray. */
+        loc[0] = 0xaa;
+        loc[1] = 0xaa;
+        loc[2] = 0xaa;
+      }
+      loc += 3;
+    }
+  }
+
+  glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+
+  if (useMipmaps) {
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
+      GL_LINEAR_MIPMAP_LINEAR);
+    gluBuild2DMipmaps(GL_TEXTURE_2D, 3, 16, 16,
+      GL_RGB, GL_UNSIGNED_BYTE, floorTexture);
+  } else {
+    if (linearFiltering) {
+      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+    } else {
+      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+    }
+    glTexImage2D(GL_TEXTURE_2D, 0, 3, 16, 16, 0,
+      GL_RGB, GL_UNSIGNED_BYTE, floorTexture);
+  }
+}
+
+enum {
+  X, Y, Z, W
+};
+enum {
+  A, B, C, D
+};
+
+/* Create a matrix that will project the desired shadow. */
+void
+shadowMatrix(GLfloat shadowMat[4][4],
+  GLfloat groundplane[4],
+  GLfloat lightpos[4])
+{
+  GLfloat dot;
+
+  /* Find dot product between light position vector and ground plane normal. */
+  dot = groundplane[X] * lightpos[X] +
+    groundplane[Y] * lightpos[Y] +
+    groundplane[Z] * lightpos[Z] +
+    groundplane[W] * lightpos[W];
+
+  shadowMat[0][0] = dot - lightpos[X] * groundplane[X];
+  shadowMat[1][0] = 0.f - lightpos[X] * groundplane[Y];
+  shadowMat[2][0] = 0.f - lightpos[X] * groundplane[Z];
+  shadowMat[3][0] = 0.f - lightpos[X] * groundplane[W];
+
+  shadowMat[X][1] = 0.f - lightpos[Y] * groundplane[X];
+  shadowMat[1][1] = dot - lightpos[Y] * groundplane[Y];
+  shadowMat[2][1] = 0.f - lightpos[Y] * groundplane[Z];
+  shadowMat[3][1] = 0.f - lightpos[Y] * groundplane[W];
+
+  shadowMat[X][2] = 0.f - lightpos[Z] * groundplane[X];
+  shadowMat[1][2] = 0.f - lightpos[Z] * groundplane[Y];
+  shadowMat[2][2] = dot - lightpos[Z] * groundplane[Z];
+  shadowMat[3][2] = 0.f - lightpos[Z] * groundplane[W];
+
+  shadowMat[X][3] = 0.f - lightpos[W] * groundplane[X];
+  shadowMat[1][3] = 0.f - lightpos[W] * groundplane[Y];
+  shadowMat[2][3] = 0.f - lightpos[W] * groundplane[Z];
+  shadowMat[3][3] = dot - lightpos[W] * groundplane[W];
+
+}
+
+/* Find the plane equation given 3 points. */
+void
+findPlane(GLfloat plane[4],
+  GLfloat v0[3], GLfloat v1[3], GLfloat v2[3])
+{
+  GLfloat vec0[3], vec1[3];
+
+  /* Need 2 vectors to find cross product. */
+  vec0[X] = v1[X] - v0[X];
+  vec0[Y] = v1[Y] - v0[Y];
+  vec0[Z] = v1[Z] - v0[Z];
+
+  vec1[X] = v2[X] - v0[X];
+  vec1[Y] = v2[Y] - v0[Y];
+  vec1[Z] = v2[Z] - v0[Z];
+
+  /* find cross product to get A, B, and C of plane equation */
+  plane[A] = vec0[Y] * vec1[Z] - vec0[Z] * vec1[Y];
+  plane[B] = -(vec0[X] * vec1[Z] - vec0[Z] * vec1[X]);
+  plane[C] = vec0[X] * vec1[Y] - vec0[Y] * vec1[X];
+
+  plane[D] = -(plane[A] * v0[X] + plane[B] * v0[Y] + plane[C] * v0[Z]);
+}
+
+void
+extrudeSolidFromPolygon(GLfloat data[][2], unsigned int dataSize,
+  GLdouble thickness, GLuint side, GLuint edge, GLuint whole)
+{
+  static GLUtriangulatorObj *tobj = NULL;
+  GLdouble vertex[3], dx, dy, len;
+  int i;
+  int count = (int) (dataSize / (2 * sizeof(GLfloat)));
+
+  if (tobj == NULL) {
+    tobj = gluNewTess();  /* create and initialize a GLU
+                             polygon tesselation object */
+    gluTessCallback(tobj, GLU_BEGIN, glBegin);
+    gluTessCallback(tobj, GLU_VERTEX, glVertex2fv);  /* semi-tricky */
+    gluTessCallback(tobj, GLU_END, glEnd);
+  }
+  glNewList(side, GL_COMPILE);
+  glShadeModel(GL_SMOOTH);  /* smooth minimizes seeing
+                               tessellation */
+  gluBeginPolygon(tobj);
+  for (i = 0; i < count; i++) {
+    vertex[0] = data[i][0];
+    vertex[1] = data[i][1];
+    vertex[2] = 0;
+    gluTessVertex(tobj, vertex, data[i]);
+  }
+  gluEndPolygon(tobj);
+  glEndList();
+  glNewList(edge, GL_COMPILE);
+  glShadeModel(GL_FLAT);  /* flat shade keeps angular hands
+                             from being "smoothed" */
+  glBegin(GL_QUAD_STRIP);
+  for (i = 0; i <= count; i++) {
+#if 1 /* weird, but seems to be legal */
+    /* mod function handles closing the edge */
+    glVertex3f(data[i % count][0], data[i % count][1], 0.0);
+    glVertex3f(data[i % count][0], data[i % count][1], thickness);
+    /* Calculate a unit normal by dividing by Euclidean
+       distance. We * could be lazy and use
+       glEnable(GL_NORMALIZE) so we could pass in * arbitrary
+       normals for a very slight performance hit. */
+    dx = data[(i + 1) % count][1] - data[i % count][1];
+    dy = data[i % count][0] - data[(i + 1) % count][0];
+    len = sqrt(dx * dx + dy * dy);
+    glNormal3f(dx / len, dy / len, 0.0);
+#else /* the nice way of doing it */
+    /* Calculate a unit normal by dividing by Euclidean
+       distance. We * could be lazy and use
+       glEnable(GL_NORMALIZE) so we could pass in * arbitrary
+       normals for a very slight performance hit. */
+    dx = data[i % count][1] - data[(i - 1 + count) % count][1];
+    dy = data[(i - 1 + count) % count][0] - data[i % count][0];
+    len = sqrt(dx * dx + dy * dy);
+    glNormal3f(dx / len, dy / len, 0.0);
+    /* mod function handles closing the edge */
+    glVertex3f(data[i % count][0], data[i % count][1], 0.0);
+    glVertex3f(data[i % count][0], data[i % count][1], thickness);
+#endif
+  }
+  glEnd();
+  glEndList();
+  glNewList(whole, GL_COMPILE);
+  glFrontFace(GL_CW);
+  glCallList(edge);
+  glNormal3f(0.0, 0.0, -1.0);  /* constant normal for side */
+  glCallList(side);
+  glPushMatrix();
+  glTranslatef(0.0, 0.0, thickness);
+  glFrontFace(GL_CCW);
+  glNormal3f(0.0, 0.0, 1.0);  /* opposite normal for other side */
+  glCallList(side);
+  glPopMatrix();
+  glEndList();
+}
+
+/* Enumerants for refering to display lists. */
+typedef enum {
+  RESERVED, BODY_SIDE, BODY_EDGE, BODY_WHOLE, ARM_SIDE, ARM_EDGE, ARM_WHOLE,
+  LEG_SIDE, LEG_EDGE, LEG_WHOLE, EYE_SIDE, EYE_EDGE, EYE_WHOLE
+} displayLists;
+
+static void
+makeDinosaur(void)
+{
+  extrudeSolidFromPolygon(body, sizeof(body), bodyWidth,
+    BODY_SIDE, BODY_EDGE, BODY_WHOLE);
+  extrudeSolidFromPolygon(arm, sizeof(arm), bodyWidth / 4,
+    ARM_SIDE, ARM_EDGE, ARM_WHOLE);
+  extrudeSolidFromPolygon(leg, sizeof(leg), bodyWidth / 2,
+    LEG_SIDE, LEG_EDGE, LEG_WHOLE);
+  extrudeSolidFromPolygon(eye, sizeof(eye), bodyWidth + 0.2,
+    EYE_SIDE, EYE_EDGE, EYE_WHOLE);
+}
+
+static void
+drawDinosaur(void)
+
+{
+  glPushMatrix();
+  /* Translate the dinosaur to be at (0,8,0). */
+  glTranslatef(-8, 0, -bodyWidth / 2);
+  glTranslatef(0.0, jump, 0.0);
+  glMaterialfv(GL_FRONT, GL_DIFFUSE, skinColor);
+  glCallList(BODY_WHOLE);
+  glTranslatef(0.0, 0.0, bodyWidth);
+  glCallList(ARM_WHOLE);
+  glCallList(LEG_WHOLE);
+  glTranslatef(0.0, 0.0, -bodyWidth - bodyWidth / 4);
+  glCallList(ARM_WHOLE);
+  glTranslatef(0.0, 0.0, -bodyWidth / 4);
+  glCallList(LEG_WHOLE);
+  glTranslatef(0.0, 0.0, bodyWidth / 2 - 0.1);
+  glMaterialfv(GL_FRONT, GL_DIFFUSE, eyeColor);
+  glCallList(EYE_WHOLE);
+  glPopMatrix();
+}
+
+static GLfloat floorVertices[4][3] = {
+  { -20.0, 0.0, 20.0 },
+  { 20.0, 0.0, 20.0 },
+  { 20.0, 0.0, -20.0 },
+  { -20.0, 0.0, -20.0 },
+};
+
+/* Draw a floor (possibly textured). */
+static void
+drawFloor(void)
+{
+  glDisable(GL_LIGHTING);
+
+  if (useTexture) {
+    glEnable(GL_TEXTURE_2D);
+  }
+
+  glBegin(GL_QUADS);
+    glTexCoord2f(0.0, 0.0);
+    glVertex3fv(floorVertices[0]);
+    glTexCoord2f(0.0, 16.0);
+    glVertex3fv(floorVertices[1]);
+    glTexCoord2f(16.0, 16.0);
+    glVertex3fv(floorVertices[2]);
+    glTexCoord2f(16.0, 0.0);
+    glVertex3fv(floorVertices[3]);
+  glEnd();
+
+  if (useTexture) {
+    glDisable(GL_TEXTURE_2D);
+  }
+
+  glEnable(GL_LIGHTING);
+}
+
+static GLfloat floorPlane[4];
+static GLfloat floorShadow[4][4];
+
+static void
+redraw(void)
+{
+  int start, end;
+
+  if (reportSpeed) {
+    start = glutGet(GLUT_ELAPSED_TIME);
+  }
+
+  /* Clear; default stencil clears to zero. */
+  if ((stencilReflection && renderReflection) || (stencilShadow && renderShadow)) {
+    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
+  } else {
+    /* Avoid clearing stencil when not using it. */
+    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+  }
+
+  /* Reposition the light source. */
+  lightPosition[0] = 12*cos(lightAngle);
+  lightPosition[1] = lightHeight;
+  lightPosition[2] = 12*sin(lightAngle);
+  if (directionalLight) {
+    lightPosition[3] = 0.0;
+  } else {
+    lightPosition[3] = 1.0;
+  }
+
+  shadowMatrix(floorShadow, floorPlane, lightPosition);
+
+  glPushMatrix();
+    /* Perform scene rotations based on user mouse input. */
+    glRotatef(angle2, 1.0, 0.0, 0.0);
+    glRotatef(angle, 0.0, 1.0, 0.0);
+     
+    /* Tell GL new light source position. */
+    glLightfv(GL_LIGHT0, GL_POSITION, lightPosition);
+
+    if (renderReflection) {
+      if (stencilReflection) {
+        /* We can eliminate the visual "artifact" of seeing the "flipped"
+  	   dinosaur underneath the floor by using stencil.  The idea is
+	   draw the floor without color or depth update but so that 
+	   a stencil value of one is where the floor will be.  Later when
+	   rendering the dinosaur reflection, we will only update pixels
+	   with a stencil value of 1 to make sure the reflection only
+	   lives on the floor, not below the floor. */
+
+        /* Don't update color or depth. */
+        glDisable(GL_DEPTH_TEST);
+        glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
+
+        /* Draw 1 into the stencil buffer. */
+        glEnable(GL_STENCIL_TEST);
+        glStencilOp(GL_REPLACE, GL_REPLACE, GL_REPLACE);
+        glStencilFunc(GL_ALWAYS, 1, 0xffffffff);
+
+        /* Now render floor; floor pixels just get their stencil set to 1. */
+        drawFloor();
+
+        /* Re-enable update of color and depth. */ 
+        glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
+        glEnable(GL_DEPTH_TEST);
+
+        /* Now, only render where stencil is set to 1. */
+        glStencilFunc(GL_EQUAL, 1, 0xffffffff);  /* draw if ==1 */
+        glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
+      }
+
+      glPushMatrix();
+
+        /* The critical reflection step: Reflect dinosaur through the floor
+           (the Y=0 plane) to make a relection. */
+        glScalef(1.0, -1.0, 1.0);
+
+	/* Reflect the light position. */
+        glLightfv(GL_LIGHT0, GL_POSITION, lightPosition);
+
+        /* To avoid our normals getting reversed and hence botched lighting
+	   on the reflection, turn on normalize.  */
+        glEnable(GL_NORMALIZE);
+        glCullFace(GL_FRONT);
+
+        /* Draw the reflected dinosaur. */
+        drawDinosaur();
+
+        /* Disable noramlize again and re-enable back face culling. */
+        glDisable(GL_NORMALIZE);
+        glCullFace(GL_BACK);
+
+      glPopMatrix();
+
+      /* Switch back to the unreflected light position. */
+      glLightfv(GL_LIGHT0, GL_POSITION, lightPosition);
+
+      if (stencilReflection) {
+        glDisable(GL_STENCIL_TEST);
+      }
+    }
+
+    /* Back face culling will get used to only draw either the top or the
+       bottom floor.  This let's us get a floor with two distinct
+       appearances.  The top floor surface is reflective and kind of red.
+       The bottom floor surface is not reflective and blue. */
+
+    /* Draw "bottom" of floor in blue. */
+    glFrontFace(GL_CW);  /* Switch face orientation. */
+    glColor4f(0.1, 0.1, 0.7, 1.0);
+    drawFloor();
+    glFrontFace(GL_CCW);
+
+    if (renderShadow) {
+      if (stencilShadow) {
+	/* Draw the floor with stencil value 3.  This helps us only 
+	   draw the shadow once per floor pixel (and only on the
+	   floor pixels). */
+        glEnable(GL_STENCIL_TEST);
+        glStencilFunc(GL_ALWAYS, 3, 0xffffffff);
+        glStencilOp(GL_KEEP, GL_KEEP, GL_REPLACE);
+      }
+    }
+
+    /* Draw "top" of floor.  Use blending to blend in reflection. */
+    glEnable(GL_BLEND);
+    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+    glColor4f(0.7, 0.0, 0.0, 0.3);
+    glColor4f(1.0, 1.0, 1.0, 0.3);
+    drawFloor();
+    glDisable(GL_BLEND);
+
+    if (renderDinosaur) {
+      /* Draw "actual" dinosaur, not its reflection. */
+      drawDinosaur();
+    }
+
+    if (renderShadow) {
+
+      /* Render the projected shadow. */
+
+      if (stencilShadow) {
+
+        /* Now, only render where stencil is set above 2 (ie, 3 where
+	   the top floor is).  Update stencil with 2 where the shadow
+	   gets drawn so we don't redraw (and accidently reblend) the
+	   shadow). */
+        glStencilFunc(GL_LESS, 2, 0xffffffff);  /* draw if ==1 */
+        glStencilOp(GL_REPLACE, GL_REPLACE, GL_REPLACE);
+      }
+
+      /* To eliminate depth buffer artifacts, we use polygon offset
+	 to raise the depth of the projected shadow slightly so
+	 that it does not depth buffer alias with the floor. */
+      if (offsetShadow) {
+	switch (polygonOffsetVersion) {
+	case EXTENSION:
+#ifdef GL_EXT_polygon_offset
+	  glEnable(GL_POLYGON_OFFSET_EXT);
+	  break;
+#endif
+#ifdef GL_VERSION_1_1
+	case ONE_DOT_ONE:
+          glEnable(GL_POLYGON_OFFSET_FILL);
+	  break;
+#endif
+	case MISSING:
+	  /* Oh well. */
+	  break;
+	}
+      }
+
+      /* Render 50% black shadow color on top of whatever the
+         floor appareance is. */
+      glEnable(GL_BLEND);
+      glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+      glDisable(GL_LIGHTING);  /* Force the 50% black. */
+      glColor4f(0.0, 0.0, 0.0, 0.5);
+
+      glPushMatrix();
+	/* Project the shadow. */
+        glMultMatrixf((GLfloat *) floorShadow);
+        drawDinosaur();
+      glPopMatrix();
+
+      glDisable(GL_BLEND);
+      glEnable(GL_LIGHTING);
+
+      if (offsetShadow) {
+	switch (polygonOffsetVersion) {
+#ifdef GL_EXT_polygon_offset
+	case EXTENSION:
+	  glDisable(GL_POLYGON_OFFSET_EXT);
+	  break;
+#endif
+#ifdef GL_VERSION_1_1
+	case ONE_DOT_ONE:
+          glDisable(GL_POLYGON_OFFSET_FILL);
+	  break;
+#endif
+	case MISSING:
+	  /* Oh well. */
+	  break;
+	}
+      }
+      if (stencilShadow) {
+        glDisable(GL_STENCIL_TEST);
+      }
+    }
+
+    glPushMatrix();
+    glDisable(GL_LIGHTING);
+    glColor3f(1.0, 1.0, 0.0);
+    if (directionalLight) {
+      /* Draw an arrowhead. */
+      glDisable(GL_CULL_FACE);
+      glTranslatef(lightPosition[0], lightPosition[1], lightPosition[2]);
+      glRotatef(lightAngle * -180.0 / M_PI, 0, 1, 0);
+      glRotatef(atan(lightHeight/12) * 180.0 / M_PI, 0, 0, 1);
+      glBegin(GL_TRIANGLE_FAN);
+	glVertex3f(0, 0, 0);
+	glVertex3f(2, 1, 1);
+	glVertex3f(2, -1, 1);
+	glVertex3f(2, -1, -1);
+	glVertex3f(2, 1, -1);
+	glVertex3f(2, 1, 1);
+      glEnd();
+      /* Draw a white line from light direction. */
+      glColor3f(1.0, 1.0, 1.0);
+      glBegin(GL_LINES);
+	glVertex3f(0, 0, 0);
+	glVertex3f(5, 0, 0);
+      glEnd();
+      glEnable(GL_CULL_FACE);
+    } else {
+      /* Draw a yellow ball at the light source. */
+      glTranslatef(lightPosition[0], lightPosition[1], lightPosition[2]);
+      glutSolidSphere(1.0, 5, 5);
+    }
+    glEnable(GL_LIGHTING);
+    glPopMatrix();
+
+  glPopMatrix();
+
+  if (reportSpeed) {
+    glFinish();
+    end = glutGet(GLUT_ELAPSED_TIME);
+    printf("Speed %.3g frames/sec (%d ms)\n", 1000.0/(end-start), end-start);
+  }
+
+  glutSwapBuffers();
+}
+
+/* ARGSUSED2 */
+static void
+mouse(int button, int state, int x, int y)
+{
+  if (button == GLUT_LEFT_BUTTON) {
+    if (state == GLUT_DOWN) {
+      moving = 1;
+      startx = x;
+      starty = y;
+    }
+    if (state == GLUT_UP) {
+      moving = 0;
+    }
+  }
+  if (button == GLUT_MIDDLE_BUTTON) {
+    if (state == GLUT_DOWN) {
+      lightMoving = 1;
+      lightStartX = x;
+      lightStartY = y;
+    }
+    if (state == GLUT_UP) {
+      lightMoving = 0;
+    }
+  }
+}
+
+/* ARGSUSED1 */
+static void
+motion(int x, int y)
+{
+  if (moving) {
+    angle = angle + (x - startx);
+    angle2 = angle2 + (y - starty);
+    startx = x;
+    starty = y;
+    glutPostRedisplay();
+  }
+  if (lightMoving) {
+    lightAngle += (x - lightStartX)/40.0;
+    lightHeight += (lightStartY - y)/20.0;
+    lightStartX = x;
+    lightStartY = y;
+    glutPostRedisplay();
+  }
+}
+
+/* Advance time varying state when idle callback registered. */
+static void
+idle(void)
+{
+  static float time = 0.0;
+
+  time = glutGet(GLUT_ELAPSED_TIME) / 500.0;
+
+  jump = 4.0 * fabs(sin(time)*0.5);
+  if (!lightMoving) {
+    lightAngle += 0.03;
+  }
+  glutPostRedisplay();
+}
+
+enum {
+  M_NONE, M_MOTION, M_LIGHT, M_TEXTURE, M_SHADOWS, M_REFLECTION, M_DINOSAUR,
+  M_STENCIL_REFLECTION, M_STENCIL_SHADOW, M_OFFSET_SHADOW,
+  M_POSITIONAL, M_DIRECTIONAL, M_PERFORMANCE
+};
+
+static void
+controlLights(int value)
+{
+  switch (value) {
+  case M_NONE:
+    return;
+  case M_MOTION:
+    animation = 1 - animation;
+    if (animation) {
+      glutIdleFunc(idle);
+    } else {
+      glutIdleFunc(NULL);
+    }
+    break;
+  case M_LIGHT:
+    lightSwitch = !lightSwitch;
+    if (lightSwitch) {
+      glEnable(GL_LIGHT0);
+    } else {
+      glDisable(GL_LIGHT0);
+    }
+    break;
+  case M_TEXTURE:
+    useTexture = !useTexture;
+    break;
+  case M_SHADOWS:
+    renderShadow = 1 - renderShadow;
+    break;
+  case M_REFLECTION:
+    renderReflection = 1 - renderReflection;
+    break;
+  case M_DINOSAUR:
+    renderDinosaur = 1 - renderDinosaur;
+    break;
+  case M_STENCIL_REFLECTION:
+    stencilReflection = 1 - stencilReflection;
+    break;
+  case M_STENCIL_SHADOW:
+    stencilShadow = 1 - stencilShadow;
+    break;
+  case M_OFFSET_SHADOW:
+    offsetShadow = 1 - offsetShadow;
+    break;
+  case M_POSITIONAL:
+    directionalLight = 0;
+    break;
+  case M_DIRECTIONAL:
+    directionalLight = 1;
+    break;
+  case M_PERFORMANCE:
+    reportSpeed = 1 - reportSpeed;
+    break;
+  }
+  glutPostRedisplay();
+}
+
+/* When not visible, stop animating.  Restart when visible again. */
+static void 
+visible(int vis)
+{
+  if (vis == GLUT_VISIBLE) {
+    if (animation)
+      glutIdleFunc(idle);
+  } else {
+    if (!animation)
+      glutIdleFunc(NULL);
+  }
+}
+
+/* Press any key to redraw; good when motion stopped and
+   performance reporting on. */
+/* ARGSUSED */
+static void
+key(unsigned char c, int x, int y)
+{
+  if (c == 27) {
+    exit(0);  /* IRIS GLism, Escape quits. */
+  }
+  glutPostRedisplay();
+}
+
+/* Press any key to redraw; good when motion stopped and
+   performance reporting on. */
+/* ARGSUSED */
+static void
+special(int k, int x, int y)
+{
+  glutPostRedisplay();
+}
+
+static int
+supportsOneDotOne(void)
+{
+  const char *version;
+  int major, minor;
+
+  version = (char *) glGetString(GL_VERSION);
+  if (sscanf(version, "%d.%d", &major, &minor) == 2)
+    return major >= 1 && minor >= 1;
+  return 0;            /* OpenGL version string malformed! */
+}
+
+int
+main(int argc, char **argv)
+{
+  int i;
+
+  glutInit(&argc, argv);
+
+  for (i=1; i<argc; i++) {
+    if (!strcmp("-linear", argv[i])) {
+      linearFiltering = 1;
+    } else if (!strcmp("-mipmap", argv[i])) {
+      useMipmaps = 1;
+    } else if (!strcmp("-ext", argv[i])) {
+      forceExtension = 1;
+    }
+  }
+
+  glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH | GLUT_STENCIL);
+
+#if 0
+  /* In GLUT 4.0, you'll be able to do this an be sure to
+     get 2 bits of stencil if the machine has it for you. */
+  glutInitDisplayString("samples stencil>=2 rgb double depth");
+#endif
+
+  glutCreateWindow("Shadowy Leapin' Lizards");
+
+  if (glutGet(GLUT_WINDOW_STENCIL_SIZE) <= 1) {
+    printf("dinoshade: Sorry, I need at least 2 bits of stencil.\n");
+    exit(1);
+  }
+
+  /* Register GLUT callbacks. */
+  glutDisplayFunc(redraw);
+  glutMouseFunc(mouse);
+  glutMotionFunc(motion);
+  glutVisibilityFunc(visible);
+  glutKeyboardFunc(key);
+  glutSpecialFunc(special);
+
+  glutCreateMenu(controlLights);
+
+  glutAddMenuEntry("Toggle motion", M_MOTION);
+  glutAddMenuEntry("-----------------------", M_NONE);
+  glutAddMenuEntry("Toggle light", M_LIGHT);
+  glutAddMenuEntry("Toggle texture", M_TEXTURE);
+  glutAddMenuEntry("Toggle shadows", M_SHADOWS);
+  glutAddMenuEntry("Toggle reflection", M_REFLECTION);
+  glutAddMenuEntry("Toggle dinosaur", M_DINOSAUR);
+  glutAddMenuEntry("-----------------------", M_NONE);
+  glutAddMenuEntry("Toggle reflection stenciling", M_STENCIL_REFLECTION);
+  glutAddMenuEntry("Toggle shadow stenciling", M_STENCIL_SHADOW);
+  glutAddMenuEntry("Toggle shadow offset", M_OFFSET_SHADOW);
+  glutAddMenuEntry("----------------------", M_NONE);
+  glutAddMenuEntry("Positional light", M_POSITIONAL);
+  glutAddMenuEntry("Directional light", M_DIRECTIONAL);
+  glutAddMenuEntry("-----------------------", M_NONE);
+  glutAddMenuEntry("Toggle performance", M_PERFORMANCE);
+  glutAttachMenu(GLUT_RIGHT_BUTTON);
+  makeDinosaur();
+
+#ifdef GL_VERSION_1_1
+  if (supportsOneDotOne() && !forceExtension) {
+    polygonOffsetVersion = ONE_DOT_ONE;
+    glPolygonOffset(-2.0, -9.0);
+  } else
+#endif
+  {
+#ifdef GL_EXT_polygon_offset
+  /* check for the polygon offset extension */
+  if (glutExtensionSupported("GL_EXT_polygon_offset")) {
+    polygonOffsetVersion = EXTENSION;
+    glPolygonOffsetEXT(-2.0, -0.002);
+  } else 
+#endif
+    {
+      polygonOffsetVersion = MISSING;
+      printf("\ndinoshine: Missing polygon offset.\n");
+      printf("           Expect shadow depth aliasing artifacts.\n\n");
+    }
+  }
+
+  glEnable(GL_CULL_FACE);
+  glEnable(GL_DEPTH_TEST);
+  glEnable(GL_TEXTURE_2D);
+  glLineWidth(3.0);
+
+  glMatrixMode(GL_PROJECTION);
+  gluPerspective( /* field of view in degree */ 40.0,
+  /* aspect ratio */ 1.0,
+    /* Z near */ 20.0, /* Z far */ 100.0);
+  glMatrixMode(GL_MODELVIEW);
+  gluLookAt(0.0, 8.0, 60.0,  /* eye is at (0,8,60) */
+    0.0, 8.0, 0.0,      /* center is at (0,8,0) */
+    0.0, 1.0, 0.);      /* up is in postivie Y direction */
+
+  glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER, 1);
+  glLightfv(GL_LIGHT0, GL_DIFFUSE, lightColor);
+  glLightf(GL_LIGHT0, GL_CONSTANT_ATTENUATION, 0.1);
+  glLightf(GL_LIGHT0, GL_LINEAR_ATTENUATION, 0.05);
+  glEnable(GL_LIGHT0);
+  glEnable(GL_LIGHTING);
+
+  makeFloorTexture();
+
+  /* Setup floor plane for projected shadow calculations. */
+  findPlane(floorPlane, floorVertices[1], floorVertices[2], floorVertices[3]);
+
+  glutMainLoop();
+  return 0;             /* ANSI C requires main to return int. */
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/ext422square.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/ext422square.c
new file mode 100644
index 000000000..6533514d6
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/ext422square.c
@@ -0,0 +1,258 @@
+/*
+ * Exercise the EXT_422_pixels extension, a less convenient
+ * alternative to MESA_ycbcr_texture.  Requires ARB_fragment_program
+ * to perform the final YUV->RGB conversion.
+ *
+ * Brian Paul   13 September 2002
+ * Keith Whitwell 30 November 2004
+ */
+
+
+#include <math.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+#include <assert.h>
+
+#include "../util/readtex.c"   /* I know, this is a hack. */
+
+#define TEXTURE_FILE "../images/tile.rgb"
+
+static GLfloat Xrot = 0, Yrot = 0, Zrot = 0;
+static GLint ImgWidth, ImgHeight;
+static GLushort *ImageYUV = NULL;
+static const GLuint yuvObj = 100;
+static const GLuint rgbObj = 101;
+
+static void Init( int argc, char *argv[] );
+
+static void DrawObject(void)
+{
+   glBegin(GL_QUADS);
+
+   glTexCoord2f(0, 0);
+   glVertex2f(-1.0, -1.0);
+
+   glTexCoord2f(1, 0);
+   glVertex2f(1.0, -1.0);
+
+   glTexCoord2f(1, 1);
+   glVertex2f(1.0, 1.0);
+
+   glTexCoord2f(0, 1);
+   glVertex2f(-1.0, 1.0);
+
+   glEnd();
+}
+
+static void Display( void )
+{
+   static int firsttime = 1;
+
+   if (firsttime) {
+      firsttime = 0;
+      Init( 0, 0 );		/* don't ask */
+   }
+
+   glClear( GL_COLOR_BUFFER_BIT );
+   glBindTexture(GL_TEXTURE_2D, yuvObj);
+
+   glPushMatrix();
+      glEnable(GL_FRAGMENT_PROGRAM_ARB); 
+      glTranslatef( -1.1, 0.0, -15.0 );
+      glRotatef(Xrot, 1.0, 0.0, 0.0);
+      glRotatef(Yrot, 0.0, 1.0, 0.0);
+      glRotatef(Zrot, 0.0, 0.0, 1.0);
+      glBindTexture(GL_TEXTURE_2D, yuvObj);
+      DrawObject();
+   glPopMatrix();
+
+   glPushMatrix();
+      glDisable(GL_FRAGMENT_PROGRAM_ARB);
+      glTranslatef(  1.1, 0.0, -15.0 );
+      glRotatef(Xrot, 1.0, 0.0, 0.0);
+      glRotatef(Yrot, 0.0, 1.0, 0.0);
+      glRotatef(Zrot, 0.0, 0.0, 1.0);
+      glBindTexture(GL_TEXTURE_2D, rgbObj);
+      DrawObject();
+   glPopMatrix();
+
+   glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glFrustum( -1.1, 1.1, -1.1, 1.1, 10.0, 100.0 );
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   glTranslatef( 0.0, 0.0, -15.0 );
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void SpecialKey( int key, int x, int y )
+{
+   float step = 3.0;
+   (void) x;
+   (void) y;
+
+   switch (key) {
+      case GLUT_KEY_UP:
+         Xrot += step;
+         break;
+      case GLUT_KEY_DOWN:
+         Xrot -= step;
+         break;
+      case GLUT_KEY_LEFT:
+         Yrot += step;
+         break;
+      case GLUT_KEY_RIGHT:
+         Yrot -= step;
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+
+
+/* #define LINEAR_FILTER */
+
+static void Init( int argc, char *argv[] )
+{
+   const char *file;
+   const GLfloat yuvtorgb[16] = {
+      1.164,   1.164,    1.164,      0,
+      0,       -.391,    2.018,      0,
+      1.596,   -.813,    0.0,        0,
+      (-.0625*1.164 + -.5*1.596),     (-.0625*1.164 + -.5*-.813 + -.5*-.391),     (-.0625*1.164 + -.5*2.018),      1  
+   };
+
+   if (!glutExtensionSupported("GL_ARB_fragment_program")) {
+      printf("Error: GL_ARB_fragment_program not supported!\n");
+      exit(1);
+   }
+
+   if (!glutExtensionSupported("GL_EXT_422_pixels")) {
+      printf("Error: GL_EXT_422_pixels not supported!\n");
+      exit(1);
+   }
+
+   glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+
+   file = TEXTURE_FILE;
+
+   /* Load the texture as YCbCr.
+    */
+   glBindTexture(GL_TEXTURE_2D, yuvObj);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+
+   ImageYUV = LoadYUVImage(file, &ImgWidth, &ImgHeight );
+   if (!ImageYUV) {
+      printf("Couldn't read %s\n", TEXTURE_FILE);
+      exit(0);
+   }
+
+   glTexImage2D(GL_TEXTURE_2D, 0,
+		GL_RGB,
+		ImgWidth, ImgHeight, 0,
+		GL_422_EXT,
+		GL_UNSIGNED_BYTE, ImageYUV); 
+
+   glEnable(GL_TEXTURE_2D);
+
+   glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+
+   {
+      static const char *modulateYUV =
+	 "!!ARBfp1.0\n"
+	 "TEMP R0;\n"
+	 "TEX R0, fragment.texcoord[0], texture[0], 2D; \n"
+
+  	 "ADD R0, R0, {-0.0625, -0.5, -0.5, 0.0}; \n"
+   	 "DP3 result.color.x, R0, {1.164,  1.596,  0.0}; \n"   
+  	 "DP3 result.color.y, R0, {1.164, -0.813, -0.391}; \n" 
+  	 "DP3 result.color.z, R0, {1.164,  0.0,    2.018}; \n" 
+  	 "MOV result.color.w, R0.w; \n"  
+
+	 "END"
+	 ;
+
+      GLuint modulateProg;
+
+
+      /* Setup the fragment program */
+      glGenProgramsARB(1, &modulateProg);
+      glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, modulateProg);
+      glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
+			 strlen(modulateYUV), (const GLubyte *)modulateYUV);
+
+      printf("glGetError = 0x%x\n", (int) glGetError());
+      printf("glError(GL_PROGRAM_ERROR_STRING_ARB) = %s\n",
+	     (char *) glGetString(GL_PROGRAM_ERROR_STRING_ARB));
+      assert(glIsProgramARB(modulateProg));
+
+   }
+
+   /* Now the same, but use a color matrix to do the conversion at
+    * upload time:
+    */
+   glBindTexture(GL_TEXTURE_2D, rgbObj);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+
+   glMatrixMode( GL_COLOR_MATRIX );
+   glLoadMatrixf( yuvtorgb );
+   
+   glTexImage2D(GL_TEXTURE_2D, 0,
+                GL_RGB,
+		ImgWidth, ImgHeight, 0,
+                GL_422_EXT,
+		GL_UNSIGNED_BYTE, ImageYUV);
+
+   glLoadIdentity();
+   glMatrixMode( GL_MODELVIEW );
+
+   glEnable(GL_TEXTURE_2D);
+
+   glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+
+
+   glShadeModel(GL_FLAT);
+   glClearColor(0.3, 0.3, 0.4, 1.0);
+}
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowSize( 300, 300 );
+   glutInitWindowPosition( 0, 0 );
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
+   glutCreateWindow(argv[0] );
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutSpecialFunc( SpecialKey );
+   glutDisplayFunc( Display );
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/fbotest1.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/fbotest1.c
new file mode 100644
index 000000000..3faa55eb9
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/fbotest1.c
@@ -0,0 +1,190 @@
+/*
+ * Test GL_EXT_framebuffer_object
+ *
+ * Brian Paul
+ * 7 Feb 2005
+ */
+
+
+#define GL_GLEXT_PROTOTYPES
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <GL/glut.h>
+
+static int Width = 400, Height = 400;
+static GLuint MyFB;
+
+
+static void
+CheckError(int line)
+{
+   GLenum err = glGetError();
+   if (err) {
+      printf("GL Error 0x%x at line %d\n", (int) err, line);
+   }
+}
+
+
+static void
+Display( void )
+{
+   GLubyte *buffer = malloc(Width * Height * 4);
+   GLenum status;
+
+   /* draw to user framebuffer */
+   glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, MyFB);
+   glDrawBuffer(GL_COLOR_ATTACHMENT1_EXT);
+   glReadBuffer(GL_COLOR_ATTACHMENT1_EXT);
+
+   status = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
+   if (status != GL_FRAMEBUFFER_COMPLETE_EXT) {
+      printf("Framebuffer incomplete!!!\n");
+   }
+
+   glClearColor(0.5, 0.5, 1.0, 0.0);
+   glClear( GL_COLOR_BUFFER_BIT );
+
+   glBegin(GL_POLYGON);
+   glColor3f(1, 0, 0);
+   glVertex2f(-1, -1);
+   glColor3f(0, 1, 0);
+   glVertex2f(1, -1);
+   glColor3f(0, 0, 1);
+   glVertex2f(0, 1);
+   glEnd();
+
+   /* read from user framebuffer */
+   glReadPixels(0, 0, Width, Height, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
+
+   /* draw to window */
+   glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+   glWindowPos2iARB(0, 0);
+   glDrawPixels(Width, Height, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
+
+   free(buffer);
+   glutSwapBuffers();
+}
+
+
+static void
+Reshape( int width, int height )
+{
+#if 0
+   float ar = (float) width / (float) height;
+#endif
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+#if 0
+   glFrustum( -ar, ar, -1.0, 1.0, 5.0, 25.0 );
+#else
+   glOrtho(-1.0, 1.0, -1.0, 1.0, 5.0, 25.0 );
+#endif
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   glTranslatef( 0.0, 0.0, -15.0 );
+   Width = width;
+   Height = height;
+   glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_RGB, Width, Height);
+}
+
+
+static void
+Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void
+Init( void )
+{
+   GLuint rb;
+   GLint i;
+
+   if (!glutExtensionSupported("GL_EXT_framebuffer_object")) {
+      printf("GL_EXT_framebuffer_object not found!\n");
+      /*exit(0);*/
+   }
+   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
+
+   glGenFramebuffersEXT(1, &MyFB);
+   assert(MyFB);
+   assert(!glIsFramebufferEXT(MyFB));
+   glDeleteFramebuffersEXT(1, &MyFB);
+   assert(!glIsFramebufferEXT(MyFB));
+   /* Note, continue to use MyFB below */
+
+   glGenRenderbuffersEXT(1, &rb);
+   assert(rb);
+   assert(!glIsRenderbufferEXT(rb));
+   glDeleteRenderbuffersEXT(1, &rb);
+   assert(!glIsRenderbufferEXT(rb));
+   rb = 42; /* an arbitrary ID */
+
+   glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, MyFB);
+   assert(glIsFramebufferEXT(MyFB));
+   glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, rb);
+   assert(glIsRenderbufferEXT(rb));
+
+   glGetIntegerv(GL_RENDERBUFFER_BINDING_EXT, &i);
+   assert(i == rb);
+
+   glGetIntegerv(GL_FRAMEBUFFER_BINDING_EXT, &i);
+   assert(i == MyFB);
+
+   glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT1_EXT,
+                                GL_RENDERBUFFER_EXT, rb);
+
+   glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_RGB, Width, Height);
+
+   {
+      GLint r, g, b, a;
+      glGetRenderbufferParameterivEXT(GL_RENDERBUFFER_EXT,
+                                      GL_RENDERBUFFER_RED_SIZE_EXT, &r);
+      glGetRenderbufferParameterivEXT(GL_RENDERBUFFER_EXT,
+                                      GL_RENDERBUFFER_GREEN_SIZE_EXT, &g);
+      glGetRenderbufferParameterivEXT(GL_RENDERBUFFER_EXT,
+                                      GL_RENDERBUFFER_BLUE_SIZE_EXT, &b);
+      glGetRenderbufferParameterivEXT(GL_RENDERBUFFER_EXT,
+                                      GL_RENDERBUFFER_ALPHA_SIZE_EXT, &a);
+      printf("renderbuffer RGBA sizes = %d %d %d %d\n", r, g, b, a);
+
+      glGetIntegerv(GL_RED_BITS, &r);
+      glGetIntegerv(GL_GREEN_BITS, &g);
+      glGetIntegerv(GL_BLUE_BITS, &b);
+      glGetIntegerv(GL_ALPHA_BITS, &a);
+      printf("Visual RGBA sizes = %d %d %d %d\n", r, g, b, a);
+   }
+
+   CheckError(__LINE__);
+
+   /* restore to default */
+   glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+}
+
+
+int
+main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize(Width, Height);
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
+   glutCreateWindow(argv[0]);
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutDisplayFunc( Display );
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/fbotexture.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/fbotexture.c
new file mode 100644
index 000000000..f348d202f
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/fbotexture.c
@@ -0,0 +1,288 @@
+/*
+ * Test GL_EXT_framebuffer_object render-to-texture
+ *
+ * Draw a teapot into a texture image with stenciling.
+ * Then draw a textured quad using that texture.
+ *
+ * Brian Paul
+ * 18 Apr 2005
+ */
+
+
+#define GL_GLEXT_PROTOTYPES
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <GL/glut.h>
+
+static int Width = 400, Height = 400;
+static int TexWidth = 512, TexHeight = 512;
+static GLuint MyFB;
+static GLuint TexObj;
+static GLuint DepthRB, StencilRB;
+static GLboolean Anim = GL_FALSE;
+static GLfloat Rot = 0.0;
+
+
+static void
+CheckError(int line)
+{
+   GLenum err = glGetError();
+   if (err) {
+      printf("GL Error 0x%x at line %d\n", (int) err, line);
+   }
+}
+
+
+static void
+Idle(void)
+{
+   Rot = glutGet(GLUT_ELAPSED_TIME) * 0.05;
+   glutPostRedisplay();
+}
+
+
+static void
+RenderTexture(void)
+{
+   GLint level = 0;
+   GLenum status;
+
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glOrtho(-1.0, 1.0, -1.0, 1.0, 5.0, 25.0);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glTranslatef(0.0, 0.0, -15.0);
+
+   /* draw to texture image */
+   glBindTexture(GL_TEXTURE_2D, 0);
+   glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, MyFB);
+   glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT,
+                             GL_TEXTURE_2D, TexObj, level);
+
+   status = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
+   if (status != GL_FRAMEBUFFER_COMPLETE_EXT) {
+      printf("Framebuffer incomplete!!!\n");
+   }
+
+   glViewport(0, 0, TexWidth, TexHeight);
+
+   glClearColor(0.5, 0.5, 1.0, 0.0);
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
+
+   glEnable(GL_DEPTH_TEST);
+   glEnable(GL_STENCIL_TEST);
+   glStencilFunc(GL_NEVER, 1, ~0);
+   glStencilOp(GL_REPLACE, GL_KEEP, GL_REPLACE);
+
+   /* draw diamond-shaped stencil pattern */
+   glColor3f(0, 1, 0);
+   glBegin(GL_POLYGON);
+   glVertex2f(-0.2,  0.0);
+   glVertex2f( 0.0, -0.2);
+   glVertex2f( 0.2,  0.0);
+   glVertex2f( 0.0,  0.2);
+   glEnd();
+
+   /* draw teapot where stencil != 1 */
+   glStencilFunc(GL_NOTEQUAL, 1, ~0);
+   glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
+
+#if 0
+   glBegin(GL_POLYGON);
+   glColor3f(1, 0, 0);
+   glVertex2f(-1, -1);
+   glColor3f(0, 1, 0);
+   glVertex2f(1, -1);
+   glColor3f(0, 0, 1);
+   glVertex2f(0, 1);
+   glEnd();
+#else
+   glEnable(GL_LIGHTING);
+   glEnable(GL_LIGHT0);
+   glPushMatrix();
+   glRotatef(0.5 * Rot, 1.0, 0.0, 0.0);
+   glutSolidTeapot(0.5);
+   glPopMatrix();
+   glDisable(GL_LIGHTING);
+#endif
+   glDisable(GL_DEPTH_TEST);
+   glDisable(GL_STENCIL_TEST);
+
+   /* Bind normal framebuffer */
+   glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+
+   CheckError(__LINE__);
+}
+
+
+
+static void
+Display(void)
+{
+   float ar = (float) Width / (float) Height;
+
+   RenderTexture();
+
+   /* draw textured quad in the window */
+
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glFrustum(-ar, ar, -1.0, 1.0, 5.0, 25.0);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glTranslatef(0.0, 0.0, -7.0);
+
+   glViewport(0, 0, Width, Height);
+
+   glClearColor(0.25, 0.25, 0.25, 0);
+   glClear(GL_COLOR_BUFFER_BIT);
+
+   glPushMatrix();
+   glRotatef(Rot, 0, 1, 0);
+   glEnable(GL_TEXTURE_2D);
+   glBindTexture(GL_TEXTURE_2D, TexObj);
+   glBegin(GL_POLYGON);
+   glColor3f(0.25, 0.25, 0.25);
+   glTexCoord2f(0, 0);
+   glVertex2f(-1, -1);
+   glTexCoord2f(1, 0);
+   glVertex2f(1, -1);
+   glColor3f(1.0, 1.0, 1.0);
+   glTexCoord2f(1, 1);
+   glVertex2f(1, 1);
+   glTexCoord2f(0, 1);
+   glVertex2f(-1, 1);
+   glEnd();
+   glPopMatrix();
+   glDisable(GL_TEXTURE_2D);
+   
+   glutSwapBuffers();
+   CheckError(__LINE__);
+}
+
+
+static void
+Reshape(int width, int height)
+{
+   glViewport(0, 0, width, height);
+   Width = width;
+   Height = height;
+}
+
+
+static void
+Key(unsigned char key, int x, int y)
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 'a':
+         Anim = !Anim;
+         if (Anim)
+            glutIdleFunc(Idle);
+         else
+            glutIdleFunc(NULL);
+         break;
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void
+Init(void)
+{
+   GLint i;
+
+   if (!glutExtensionSupported("GL_EXT_framebuffer_object")) {
+      printf("GL_EXT_framebuffer_object not found!\n");
+      exit(0);
+   }
+   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
+
+   /* gen framebuffer id, delete it, do some assertions, just for testing */
+   glGenFramebuffersEXT(1, &MyFB);
+   assert(MyFB);
+   assert(!glIsFramebufferEXT(MyFB));
+   glDeleteFramebuffersEXT(1, &MyFB);
+   assert(!glIsFramebufferEXT(MyFB));
+   /* Note, continue to use MyFB below */
+
+   glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, MyFB);
+   assert(glIsFramebufferEXT(MyFB));
+   glGetIntegerv(GL_FRAMEBUFFER_BINDING_EXT, &i);
+   assert(i == MyFB);
+
+   /* make depth renderbuffer */
+   glGenRenderbuffersEXT(1, &DepthRB);
+   assert(DepthRB);
+   assert(!glIsRenderbufferEXT(DepthRB));
+   glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, DepthRB);
+   assert(glIsRenderbufferEXT(DepthRB));
+   glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_DEPTH_COMPONENT,
+                            TexWidth, TexHeight);
+   glGetRenderbufferParameterivEXT(GL_RENDERBUFFER_EXT,
+                                   GL_RENDERBUFFER_DEPTH_SIZE_EXT, &i);
+   printf("Depth renderbuffer size = %d bits\n", i);
+   assert(i > 0);
+
+   /* make stencil renderbuffer */
+   glGenRenderbuffersEXT(1, &StencilRB);
+   assert(StencilRB);
+   assert(!glIsRenderbufferEXT(StencilRB));
+   glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, StencilRB);
+   assert(glIsRenderbufferEXT(StencilRB));
+   glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_STENCIL_INDEX,
+                            TexWidth, TexHeight);
+   glGetRenderbufferParameterivEXT(GL_RENDERBUFFER_EXT,
+                                   GL_RENDERBUFFER_STENCIL_SIZE_EXT, &i);
+   printf("Stencil renderbuffer size = %d bits\n", i);
+   assert(i > 0);
+
+   /* attach DepthRB to MyFB */
+   glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT,
+                                GL_RENDERBUFFER_EXT, DepthRB);
+
+   /* attach StencilRB to MyFB */
+   glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_STENCIL_ATTACHMENT_EXT,
+                                GL_RENDERBUFFER_EXT, StencilRB);
+
+
+   /* bind regular framebuffer */
+   glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+
+   /* Make texture object/image */
+   glGenTextures(1, &TexObj);
+   glBindTexture(GL_TEXTURE_2D, TexObj);
+   glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, TexWidth, TexHeight, 0,
+                GL_RGBA, GL_UNSIGNED_BYTE, NULL);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+   glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+
+   CheckError(__LINE__);
+}
+
+
+int
+main(int argc, char *argv[])
+{
+   glutInit(&argc, argv);
+   glutInitWindowPosition(0, 0);
+   glutInitWindowSize(Width, Height);
+   glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE);
+   glutCreateWindow(argv[0]);
+   glutReshapeFunc(Reshape);
+   glutKeyboardFunc(Key);
+   glutDisplayFunc(Display);
+   if (Anim)
+      glutIdleFunc(Idle);
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/floattex.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/floattex.c
new file mode 100644
index 000000000..2345a49b2
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/floattex.c
@@ -0,0 +1,169 @@
+/*
+ * Test floating point textures.
+ * No actual rendering, yet.
+ */
+
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <GL/glut.h>
+
+
+/* XXX - temporary */
+#ifndef GL_ARB_texture_float
+#define GL_ARB_texture_float 1
+#define GL_TEXTURE_RED_TYPE_ARB             0x9000
+#define GL_TEXTURE_GREEN_TYPE_ARB           0x9001
+#define GL_TEXTURE_BLUE_TYPE_ARB            0x9002
+#define GL_TEXTURE_ALPHA_TYPE_ARB           0x9003
+#define GL_TEXTURE_LUMINANCE_TYPE_ARB       0x9004
+#define GL_TEXTURE_INTENSITY_TYPE_ARB       0x9005
+#define GL_TEXTURE_DEPTH_TYPE_ARB           0x9006
+#define GL_UNSIGNED_NORMALIZED_ARB          0x9007
+#define GL_RGBA32F_ARB                      0x8814
+#define GL_RGB32F_ARB                       0x8815
+#define GL_ALPHA32F_ARB                     0x8816
+#define GL_INTENSITY32F_ARB                 0x8817
+#define GL_LUMINANCE32F_ARB                 0x8818
+#define GL_LUMINANCE_ALPHA32F_ARB           0x8819
+#define GL_RGBA16F_ARB                      0x881A
+#define GL_RGB16F_ARB                       0x881B
+#define GL_ALPHA16F_ARB                     0x881C
+#define GL_INTENSITY16F_ARB                 0x881D
+#define GL_LUMINANCE16F_ARB                 0x881E
+#define GL_LUMINANCE_ALPHA16F_ARB           0x881F
+#endif
+
+
+static GLboolean
+CheckError( int line )
+{
+   GLenum error = glGetError();
+   if (error) {
+      char *err = (char *) gluErrorString( error );
+      fprintf( stderr, "GL Error: %s at line %d\n", err, line );
+      return GL_TRUE;
+   }
+   return GL_FALSE;
+}
+
+
+static void
+Draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+   glPushMatrix();
+
+   glutSolidCube(2.0);
+
+   glPopMatrix();
+
+   glutSwapBuffers();
+}
+
+
+static void
+Reshape(int width, int height)
+{
+   glViewport(0, 0, width, height);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glFrustum(-1.0, 1.0, -1.0, 1.0, 5.0, 25.0);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glTranslatef(0.0, 0.0, -15.0);
+}
+
+
+static void
+Key(unsigned char key, int x, int y)
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+
+static void
+Init(void)
+{
+   GLfloat tex[16][16][4];
+   GLfloat tex2[16][16][4];
+   GLint i, j, t;
+
+   if (!glutExtensionSupported("GL_MESAX_texture_float")) {
+      printf("Sorry, this test requires GL_MESAX_texture_float\n");
+      exit(1);
+   }
+
+   for (i = 0; i < 16; i++) {
+      for (j = 0; j < 16; j++) {
+         GLfloat s = i / 15.0;
+         tex[i][j][0] = s;
+         tex[i][j][1] = 2.0 * s;
+         tex[i][j][2] = -3.0 * s;
+         tex[i][j][3] = 4.0 * s;
+      }
+   }
+
+   glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA32F_ARB, 16, 16, 0, GL_RGBA,
+                GL_FLOAT, tex);
+   CheckError(__LINE__);
+
+   glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_RED_TYPE_ARB, &t);
+   assert(t == GL_FLOAT);
+   glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_GREEN_TYPE_ARB, &t);
+   assert(t == GL_FLOAT);
+   glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_BLUE_TYPE_ARB, &t);
+   assert(t == GL_FLOAT);
+   glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_ALPHA_TYPE_ARB, &t);
+   assert(t == GL_FLOAT);
+
+   CheckError(__LINE__);
+
+   /* read back the texture and make sure values are correct */
+   glGetTexImage(GL_TEXTURE_2D, 0, GL_RGBA, GL_FLOAT, tex2);
+   CheckError(__LINE__);
+   for (i = 0; i < 16; i++) {
+      for (j = 0; j < 16; j++) {
+         if (tex[i][j][0] != tex2[i][j][0] ||
+             tex[i][j][1] != tex2[i][j][1] ||
+             tex[i][j][2] != tex2[i][j][2] ||
+             tex[i][j][3] != tex2[i][j][3]) {
+            printf("tex[%d][%d] %g %g %g %g != tex2[%d][%d] %g %g %g %g\n",
+                   i, j,
+                   tex[i][j][0], tex[i][j][1], tex[i][j][2], tex[i][j][3],
+                   i, j,
+                   tex2[i][j][0], tex2[i][j][1], tex2[i][j][2], tex2[i][j][3]);
+         }
+      }
+   }
+
+
+}
+
+
+int
+main(int argc, char *argv[])
+{
+   glutInit(&argc, argv);
+   glutInitWindowPosition(0, 0);
+   glutInitWindowSize(400, 400);
+   glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
+   glutCreateWindow(argv[0]);
+   glutReshapeFunc(Reshape);
+   glutKeyboardFunc(Key);
+   glutDisplayFunc(Draw);
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/fogcoord.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/fogcoord.c
new file mode 100644
index 000000000..89355742a
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/fogcoord.c
@@ -0,0 +1,102 @@
+/*
+ * Exercise GL_EXT_fog_coord
+ */
+
+
+#define GL_GLEXT_PROTOTYPES
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <GL/glut.h>
+
+static int Width = 600;
+static int Height = 200;
+static GLfloat Near = 5.0, Far = 25.0;
+
+
+static void Display( void )
+{
+   GLfloat t;
+
+   glClearColor(0.2, 0.2, 0.8, 0);
+   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+   for (t = 0.0; t <= 1.0; t += 0.25) {
+      GLfloat f = Near + t * (Far - Near);
+      printf("glFogCoord(%4.1f)\n", f);
+      glFogCoordfEXT(f);
+
+      glPushMatrix();
+         glTranslatef(t * 10.0 - 5.0, 0, 0);
+         glBegin(GL_POLYGON);
+         glVertex2f(-1, -1);
+         glVertex2f( 1, -1);
+         glVertex2f( 1,  1);
+         glVertex2f(-1,  1);
+         glEnd();
+      glPopMatrix();
+   }
+   glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+   GLfloat ar = (float) width / (float) height;
+   Width = width;
+   Height = height;
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glFrustum( -ar, ar, -1.0, 1.0, Near, Far );
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   glTranslatef( 0.0, 0.0, -15.0 );
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void Init( void )
+{
+   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
+   printf("GL_VERSION = %s\n", (char *) glGetString(GL_VERSION));
+   /* setup lighting, etc */
+   if (!glutExtensionSupported("GL_EXT_fog_coord")) {
+      printf("Sorry, this program requires GL_EXT_fog_coord\n");
+      exit(1);
+   }
+   glFogi(GL_FOG_COORDINATE_SOURCE_EXT, GL_FOG_COORDINATE_EXT);
+   glFogi(GL_FOG_MODE, GL_LINEAR);
+   glFogf(GL_FOG_START, Near);
+   glFogf(GL_FOG_END, Far);
+   glEnable(GL_FOG);
+   printf("Squares should be colored from white -> gray -> black.\n");
+}
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( Width, Height );
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
+   glutCreateWindow(argv[0]);
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutDisplayFunc( Display );
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/fptest1.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/fptest1.c
new file mode 100644
index 000000000..d0bcdaa22
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/fptest1.c
@@ -0,0 +1,220 @@
+/* Test GL_NV_fragment_program */
+
+#include <assert.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+
+
+
+static void Display( void )
+{
+   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+   glPushMatrix();
+
+   glColor4f(0, 0.5, 0, 1);
+   glColor4f(0, 1, 0, 1);
+   glBegin(GL_POLYGON);
+   glVertex2f(-1, -1);
+   glVertex2f( 1, -1);
+   glVertex2f( 0,  1);
+   glEnd();
+
+   glPopMatrix();
+
+   glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glFrustum( -1.0, 1.0, -1.0, 1.0, 5.0, 25.0 );
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   glTranslatef( 0.0, 0.0, -15.0 );
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void Init( void )
+{
+   static const char *prog0 =
+      "!!FP1.0\n"
+      "MUL   o[COLR], R0, f[WPOS]; \n"
+      "ADD   o[COLH], H3, f[TEX0]; \n"
+      "ADD_SAT o[COLH], H3, f[TEX0]; \n"
+      "ADDX o[COLH], H3, f[TEX0]; \n"
+      "ADDHC o[COLH], H3, f[TEX0]; \n"
+      "ADDXC o[COLH], H3, f[TEX0]; \n"
+      "ADDXC_SAT o[COLH], H30, f[TEX0]; \n"
+      "MUL   o[COLR].xy, R0.wzyx, f[WPOS]; \n"
+      "MUL   o[COLR], H0, f[WPOS]; \n"
+      "MUL   o[COLR], -H0, f[WPOS]; \n"
+      "MOV   RC, H1; \n"
+      "MOV   HC, H2; \n"
+      "END \n"
+      ;
+
+   /* masked updates, defines, declarations */
+   static const char *prog1 =
+      "!!FP1.0\n"
+      "DEFINE foo = {1, 2, 3, 4}; \n"
+      "DEFINE foo2 = 5; \n"
+      "DECLARE foo3 = {5, 6, 7, 8}; \n"
+      "DECLARE bar = 3; \n"
+      "DECLARE bar2; \n"
+      "DECLARE bar3 = bar; \n"
+      "#DECLARE bar4 = { a, b, c, d }; \n"
+      "MOV o[COLR].xy,   R0; \n"
+      "MOV o[COLR] (NE), R0; \n"
+      "MOV o[COLR] (NE.wzyx), R0; \n"
+      "MOV o[COLR].xy (NE.wzyx), R0; \n"
+      "MOV RC.x (EQ), R1.x; \n"
+      "KIL NE; \n"
+      "KIL EQ.xyxy; \n"
+      "END \n"
+      ;
+
+   /* texture instructions */
+   static const char *prog2 =
+      "!!FP1.0\n"
+      "TEX R0, f[TEX0], TEX0, 2D; \n"
+      "TEX R1, f[TEX1], TEX1, CUBE; \n"
+      "TEX R2, f[TEX2], TEX2, 3D; \n"
+      "TXP R3, f[TEX3], TEX3, RECT; \n"
+      "TXD R3, R2, R1, f[TEX3], TEX3, RECT; \n"
+      "MUL o[COLR], R0, f[COL0]; \n"
+      "END \n"
+      ;
+
+   /* test negation, absolute value */
+   static const char *prog3 =
+      "!!FP1.0\n"
+      "MOV R0, -R1; \n"
+      "MOV R0, +R1; \n"
+      "MOV R0, |-R1|; \n"
+      "MOV R0, |+R1|; \n"
+      "MOV R0, -|R1|; \n"
+      "MOV R0, +|R1|; \n"
+      "MOV R0, -|-R1|; \n"
+      "MOV R0, -|+R1|; \n"
+      "MOV o[COLR], R0; \n"
+      "END \n"
+      ;
+
+   /* literal constant sources */
+   static const char *prog4 =
+      "!!FP1.0\n"
+      "DEFINE Pi = 3.14159; \n"
+      "MOV R0, {1, -2, +3, 4}; \n"
+      "MOV R0, 5; \n"
+      "MOV R0, -5; \n"
+      "MOV R0, +5; \n"
+      "MOV R0, Pi; \n"
+      "MOV o[COLR], R0; \n"
+      "END \n"
+      ;
+
+   /* change the fragment color in a simple way */
+   static const char *prog10 =
+      "!!FP1.0\n"
+      "DEFINE blue = {0, 0, 1, 0};\n"
+      "DECLARE color; \n"
+      "MOV R0, f[COL0]; \n"
+      "#ADD o[COLR], R0, f[COL0]; \n"
+      "#ADD o[COLR], blue, f[COL0]; \n"
+      "#ADD o[COLR], {1, 0, 0, 0}, f[COL0]; \n"
+      "ADD o[COLR], color, f[COL0]; \n"
+      "END \n"
+      ;
+
+   GLuint progs[20];
+
+   glGenProgramsNV(20, progs);
+   assert(progs[0]);
+   assert(progs[1]);
+   assert(progs[0] != progs[1]);
+
+#if 0
+   glLoadProgramNV(GL_FRAGMENT_PROGRAM_NV, progs[0],
+                   strlen(prog0),
+                   (const GLubyte *) prog0);
+   assert(glIsProgramNV(progs[0]));
+#endif
+
+   glLoadProgramNV(GL_FRAGMENT_PROGRAM_NV, progs[1],
+                   strlen(prog1),
+                   (const GLubyte *) prog1);
+   assert(glIsProgramNV(progs[1]));
+
+   glLoadProgramNV(GL_FRAGMENT_PROGRAM_NV, progs[2],
+                   strlen(prog2),
+                   (const GLubyte *) prog2);
+   assert(glIsProgramNV(progs[2]));
+   glBindProgramNV(GL_FRAGMENT_PROGRAM_NV, progs[2]);
+
+   glLoadProgramNV(GL_FRAGMENT_PROGRAM_NV, progs[3],
+                   strlen(prog3),
+                   (const GLubyte *) prog3);
+   assert(glIsProgramNV(progs[3]));
+   glBindProgramNV(GL_FRAGMENT_PROGRAM_NV, progs[3]);
+
+   glLoadProgramNV(GL_FRAGMENT_PROGRAM_NV, progs[4],
+                   strlen(prog4),
+                   (const GLubyte *) prog4);
+   assert(glIsProgramNV(progs[4]));
+   glBindProgramNV(GL_FRAGMENT_PROGRAM_NV, progs[4]);
+
+
+   /* a real program */
+   glLoadProgramNV(GL_FRAGMENT_PROGRAM_NV, progs[10],
+                   strlen(prog10),
+                   (const GLubyte *) prog10);
+   assert(glIsProgramNV(progs[10]));
+   glBindProgramNV(GL_FRAGMENT_PROGRAM_NV, progs[10]);
+
+   glProgramNamedParameter4fNV(progs[10],
+                               strlen("color"), (const GLubyte *) "color",
+                               1, 0, 0, 1);
+
+   glEnable(GL_FRAGMENT_PROGRAM_NV);
+   glEnable(GL_ALPHA_TEST);
+   glAlphaFunc(GL_ALWAYS, 0.0);
+
+   printf("glGetError = %d\n", (int) glGetError());
+}
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( 250, 250 );
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
+   glutCreateWindow(argv[0]);
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutDisplayFunc( Display );
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/fptexture.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/fptexture.c
new file mode 100644
index 000000000..f57ad6282
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/fptexture.c
@@ -0,0 +1,151 @@
+/* GL_NV_fragment_program texture test */
+
+#include <assert.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+
+#include "../util/readtex.c"
+
+
+#define TEXTURE_FILE "../images/girl.rgb"
+
+static GLfloat Xrot = 0.0, Yrot = 0.0, Zrot = 0.0;
+
+
+static void Display( void )
+{
+   glClear( GL_COLOR_BUFFER_BIT );
+
+   glPushMatrix();
+   glRotatef(Xrot, 1.0, 0.0, 0.0);
+   glRotatef(Yrot, 0.0, 1.0, 0.0);
+   glRotatef(Zrot, 0.0, 0.0, 1.0);
+
+   glBegin(GL_POLYGON);
+   glColor4f(1.0, 1.0, 1.0, 1);   glTexCoord2f(0, 0);   glVertex2f(-1, -1);
+   glColor4f(0.2, 0.2, 1.0, 1);   glTexCoord2f(1, 0);   glVertex2f( 1, -1);
+   glColor4f(0.2, 1.0, 0.2, 1);   glTexCoord2f(1, 1);   glVertex2f( 1,  1);
+   glColor4f(1.0, 0.2, 0.2, 1);   glTexCoord2f(0, 1);   glVertex2f(-1,  1);
+   glEnd();
+
+   glPopMatrix();
+
+   glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glFrustum( -1.0, 1.0, -1.0, 1.0, 5.0, 25.0 );
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   glTranslatef( 0.0, 0.0, -8.0 );
+}
+
+
+static void SpecialKey( int key, int x, int y )
+{
+   float step = 3.0;
+   (void) x;
+   (void) y;
+
+   switch (key) {
+      case GLUT_KEY_UP:
+         Xrot += step;
+         break;
+      case GLUT_KEY_DOWN:
+         Xrot -= step;
+         break;
+      case GLUT_KEY_LEFT:
+         Yrot += step;
+         break;
+      case GLUT_KEY_RIGHT:
+         Yrot -= step;
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void Init( void )
+{
+   static const char *modulate2D =
+      "!!FP1.0\n"
+      "TEX R0, f[TEX0], TEX0, 2D; \n"
+      "MUL o[COLR], R0, f[COL0]; \n"
+      "END"
+      ;
+   GLuint modulateProg;
+   GLuint Texture;
+
+   if (!glutExtensionSupported("GL_NV_fragment_program")) {
+      printf("Error: GL_NV_fragment_program not supported!\n");
+      exit(1);
+   }
+   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
+
+   /* Setup the fragment program */
+   glGenProgramsNV(1, &modulateProg);
+   glLoadProgramNV(GL_FRAGMENT_PROGRAM_NV, modulateProg,
+                   strlen(modulate2D),
+                   (const GLubyte *) modulate2D);
+   printf("glGetError = 0x%x\n", (int) glGetError());
+   printf("glError(GL_PROGRAM_ERROR_STRING_NV) = %s\n",
+          (char *) glGetString(GL_PROGRAM_ERROR_STRING_NV));
+   assert(glIsProgramNV(modulateProg));
+
+   glBindProgramNV(GL_FRAGMENT_PROGRAM_NV, modulateProg);
+   glEnable(GL_FRAGMENT_PROGRAM_NV);
+
+   /* Load texture */
+   glGenTextures(1, &Texture);
+   glBindTexture(GL_TEXTURE_2D, Texture);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+   glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+   if (!LoadRGBMipmaps(TEXTURE_FILE, GL_RGB)) {
+      printf("Error: couldn't load texture image file %s\n", TEXTURE_FILE);
+      exit(1);
+   }
+   /* XXX this enable shouldn't really be needed!!! */
+   glEnable(GL_TEXTURE_2D);
+
+   glClearColor(.3, .3, .3, 0);
+}
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( 250, 250 );
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
+   glutCreateWindow(argv[0]);
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutSpecialFunc( SpecialKey );
+   glutDisplayFunc( Display );
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/getprocaddress.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/getprocaddress.c
new file mode 100644
index 000000000..2480ed44c
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/getprocaddress.c
@@ -0,0 +1,438 @@
+/*
+ * Copyright (C) 1999-2002  Brian Paul   All Rights Reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/*
+ * Test that glXGetProcAddress works.
+ */
+
+#define GLX_GLXEXT_PROTOTYPES
+
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <GL/gl.h>
+#include <GL/glx.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+
+
+typedef void (*generic_func)();
+
+#define EQUAL(X, Y)  (fabs((X) - (Y)) < 0.001)
+
+static GLboolean
+test_ActiveTextureARB(generic_func func)
+{
+   PFNGLACTIVETEXTUREARBPROC activeTexture = (PFNGLACTIVETEXTUREARBPROC) func;
+   GLint t;
+   GLboolean pass;
+   (*activeTexture)(GL_TEXTURE1_ARB);
+   glGetIntegerv(GL_ACTIVE_TEXTURE_ARB, &t);
+   pass = (t == GL_TEXTURE1_ARB);
+   (*activeTexture)(GL_TEXTURE0_ARB);  /* restore default */
+   return pass;
+}
+
+
+static GLboolean
+test_SecondaryColor3fEXT(generic_func func)
+{
+   PFNGLSECONDARYCOLOR3FEXTPROC secColor3f = (PFNGLSECONDARYCOLOR3FEXTPROC) func;
+   GLfloat color[4];
+   GLboolean pass;
+   (*secColor3f)(1.0, 1.0, 0.0);
+   glGetFloatv(GL_CURRENT_SECONDARY_COLOR_EXT, color);
+   pass = (color[0] == 1.0 && color[1] == 1.0 && color[2] == 0.0);
+   (*secColor3f)(0.0, 0.0, 0.0);  /* restore default */
+   return pass;
+}
+
+
+static GLboolean
+test_ActiveStencilFaceEXT(generic_func func)
+{
+   PFNGLACTIVESTENCILFACEEXTPROC activeFace = (PFNGLACTIVESTENCILFACEEXTPROC) func;
+   GLint face;
+   GLboolean pass;
+   (*activeFace)(GL_BACK);
+   glGetIntegerv(GL_ACTIVE_STENCIL_FACE_EXT, &face);
+   pass = (face == GL_BACK);
+   (*activeFace)(GL_FRONT);  /* restore default */
+   return pass;
+}
+
+
+static GLboolean
+test_VertexAttrib1fvARB(generic_func func)
+{
+   PFNGLVERTEXATTRIB1FVARBPROC vertexAttrib1fvARB = (PFNGLVERTEXATTRIB1FVARBPROC) func;
+   PFNGLGETVERTEXATTRIBFVARBPROC getVertexAttribfvARB = (PFNGLGETVERTEXATTRIBFVARBPROC) glXGetProcAddressARB((const GLubyte *) "glGetVertexAttribfvARB");
+
+   const GLfloat v[1] = {25.0};
+   const GLfloat def[1] = {0};
+   GLfloat res[4];
+   GLboolean pass;
+   (*vertexAttrib1fvARB)(6, v);
+   (*getVertexAttribfvARB)(6, GL_CURRENT_VERTEX_ATTRIB_ARB, res);
+   pass = (res[0] == 25.0 && res[1] == 0.0 && res[2] == 0.0 && res[3] == 1.0);
+   (*vertexAttrib1fvARB)(6, def);
+   return pass;
+}
+
+static GLboolean
+test_VertexAttrib4NubvARB(generic_func func)
+{
+   PFNGLVERTEXATTRIB4NUBVARBPROC vertexAttrib4NubvARB = (PFNGLVERTEXATTRIB4NUBVARBPROC) func;
+   PFNGLGETVERTEXATTRIBFVARBPROC getVertexAttribfvARB = (PFNGLGETVERTEXATTRIBFVARBPROC) glXGetProcAddressARB((const GLubyte *) "glGetVertexAttribfvARB");
+
+   const GLubyte v[4] = {255, 0, 255, 0};
+   const GLubyte def[4] = {0, 0, 0, 255};
+   GLfloat res[4];
+   GLboolean pass;
+   (*vertexAttrib4NubvARB)(6, v);
+   (*getVertexAttribfvARB)(6, GL_CURRENT_VERTEX_ATTRIB_ARB, res);
+   pass = (res[0] == 1.0 && res[1] == 0.0 && res[2] == 1.0 && res[3] == 0.0);
+   (*vertexAttrib4NubvARB)(6, def);
+   return pass;
+}
+
+
+static GLboolean
+test_VertexAttrib4NuivARB(generic_func func)
+{
+   PFNGLVERTEXATTRIB4NUIVARBPROC vertexAttrib4NuivARB = (PFNGLVERTEXATTRIB4NUIVARBPROC) func;
+   PFNGLGETVERTEXATTRIBFVARBPROC getVertexAttribfvARB = (PFNGLGETVERTEXATTRIBFVARBPROC) glXGetProcAddressARB((const GLubyte *) "glGetVertexAttribfvARB");
+
+   const GLuint v[4] = {0xffffffff, 0, 0xffffffff, 0};
+   const GLuint def[4] = {0, 0, 0, 0xffffffff};
+   GLfloat res[4];
+   GLboolean pass;
+   (*vertexAttrib4NuivARB)(6, v);
+   (*getVertexAttribfvARB)(6, GL_CURRENT_VERTEX_ATTRIB_ARB, res);
+   pass = (EQUAL(res[0], 1.0) && EQUAL(res[1], 0.0) && EQUAL(res[2], 1.0) && EQUAL(res[3], 0.0));
+   (*vertexAttrib4NuivARB)(6, def);
+   return pass;
+}
+
+
+static GLboolean
+test_VertexAttrib4ivARB(generic_func func)
+{
+   PFNGLVERTEXATTRIB4IVARBPROC vertexAttrib4ivARB = (PFNGLVERTEXATTRIB4IVARBPROC) func;
+   PFNGLGETVERTEXATTRIBFVARBPROC getVertexAttribfvARB = (PFNGLGETVERTEXATTRIBFVARBPROC) glXGetProcAddressARB((const GLubyte *) "glGetVertexAttribfvARB");
+
+   const GLint v[4] = {1, 2, -3, 4};
+   const GLint def[4] = {0, 0, 0, 1};
+   GLfloat res[4];
+   GLboolean pass;
+   (*vertexAttrib4ivARB)(6, v);
+   (*getVertexAttribfvARB)(6, GL_CURRENT_VERTEX_ATTRIB_ARB, res);
+   pass = (EQUAL(res[0], 1.0) && EQUAL(res[1], 2.0) && EQUAL(res[2], -3.0) && EQUAL(res[3], 4.0));
+   (*vertexAttrib4ivARB)(6, def);
+   return pass;
+}
+
+
+static GLboolean
+test_VertexAttrib4NsvARB(generic_func func)
+{
+   PFNGLVERTEXATTRIB4NSVARBPROC vertexAttrib4NsvARB = (PFNGLVERTEXATTRIB4NSVARBPROC) func;
+   PFNGLGETVERTEXATTRIBFVARBPROC getVertexAttribfvARB = (PFNGLGETVERTEXATTRIBFVARBPROC) glXGetProcAddressARB((const GLubyte *) "glGetVertexAttribfvARB");
+
+   const GLshort v[4] = {0, 32767, 32767, 0};
+   const GLshort def[4] = {0, 0, 0, 32767};
+   GLfloat res[4];
+   GLboolean pass;
+   (*vertexAttrib4NsvARB)(6, v);
+   (*getVertexAttribfvARB)(6, GL_CURRENT_VERTEX_ATTRIB_ARB, res);
+   pass = (EQUAL(res[0], 0.0) && EQUAL(res[1], 1.0) && EQUAL(res[2], 1.0) && EQUAL(res[3], 0.0));
+   (*vertexAttrib4NsvARB)(6, def);
+   return pass;
+}
+
+
+static GLboolean
+test_VertexAttrib4NusvARB(generic_func func)
+{
+   PFNGLVERTEXATTRIB4NUSVARBPROC vertexAttrib4NusvARB = (PFNGLVERTEXATTRIB4NUSVARBPROC) func;
+   PFNGLGETVERTEXATTRIBFVARBPROC getVertexAttribfvARB = (PFNGLGETVERTEXATTRIBFVARBPROC) glXGetProcAddressARB((const GLubyte *) "glGetVertexAttribfvARB");
+
+   const GLushort v[4] = {0xffff, 0, 0xffff, 0};
+   const GLushort def[4] = {0, 0, 0, 0xffff};
+   GLfloat res[4];
+   GLboolean pass;
+   (*vertexAttrib4NusvARB)(6, v);
+   (*getVertexAttribfvARB)(6, GL_CURRENT_VERTEX_ATTRIB_ARB, res);
+   pass = (EQUAL(res[0], 1.0) && EQUAL(res[1], 0.0) && EQUAL(res[2], 1.0) && EQUAL(res[3], 0.0));
+   (*vertexAttrib4NusvARB)(6, def);
+   return pass;
+}
+
+
+static GLboolean
+test_VertexAttrib4ubNV(generic_func func)
+{
+   PFNGLVERTEXATTRIB4UBNVPROC vertexAttrib4ubNV = (PFNGLVERTEXATTRIB4UBNVPROC) func;
+   PFNGLGETVERTEXATTRIBFVNVPROC getVertexAttribfvNV = (PFNGLGETVERTEXATTRIBFVNVPROC) glXGetProcAddressARB((const GLubyte *) "glGetVertexAttribfvNV");
+
+   const GLubyte v[4] = {255, 0, 255, 0};
+   const GLubyte def[4] = {0, 0, 0, 255};
+   GLfloat res[4];
+   GLboolean pass;
+   (*vertexAttrib4ubNV)(6, v[0], v[1], v[2], v[3]);
+   (*getVertexAttribfvNV)(6, GL_CURRENT_ATTRIB_NV, res);
+   pass = (res[0] == 1.0 && res[1] == 0.0 && res[2] == 1.0 && res[3] == 0.0);
+   (*vertexAttrib4ubNV)(6, def[0], def[1], def[2], def[3]);
+   return pass;
+}
+
+
+static GLboolean
+test_VertexAttrib2sNV(generic_func func)
+{
+   PFNGLVERTEXATTRIB2SNVPROC vertexAttrib2sNV = (PFNGLVERTEXATTRIB2SNVPROC) func;
+   PFNGLGETVERTEXATTRIBFVNVPROC getVertexAttribfvNV = (PFNGLGETVERTEXATTRIBFVNVPROC) glXGetProcAddressARB((const GLubyte *) "glGetVertexAttribfvNV");
+
+   const GLshort v[2] = {2, -4,};
+   const GLshort def[2] = {0, 0};
+   GLfloat res[4];
+   GLboolean pass;
+   (*vertexAttrib2sNV)(6, v[0], v[1]);
+   (*getVertexAttribfvNV)(6, GL_CURRENT_ATTRIB_NV, res);
+   pass = (EQUAL(res[0], 2) && EQUAL(res[1], -4) && EQUAL(res[2], 0) && res[3] == 1.0);
+   (*vertexAttrib2sNV)(6, def[0], def[1]);
+   return pass;
+}
+
+
+static GLboolean
+test_VertexAttrib3fNV(generic_func func)
+{
+   PFNGLVERTEXATTRIB3FNVPROC vertexAttrib3fNV = (PFNGLVERTEXATTRIB3FNVPROC) func;
+   PFNGLGETVERTEXATTRIBFVNVPROC getVertexAttribfvNV = (PFNGLGETVERTEXATTRIBFVNVPROC) glXGetProcAddressARB((const GLubyte *) "glGetVertexAttribfvNV");
+
+   const GLfloat v[3] = {0.2, 0.4, 0.8};
+   const GLfloat def[3] = {0, 0, 0};
+   GLfloat res[4];
+   GLboolean pass;
+   (*vertexAttrib3fNV)(6, v[0], v[1], v[2]);
+   (*getVertexAttribfvNV)(6, GL_CURRENT_ATTRIB_NV, res);
+   pass = (EQUAL(res[0], 0.2) && EQUAL(res[1], 0.4) && EQUAL(res[2], 0.8) && res[3] == 1.0);
+   (*vertexAttrib3fNV)(6, def[0], def[1], def[2]);
+   return pass;
+}
+
+
+static GLboolean
+test_VertexAttrib4dvNV(generic_func func)
+{
+   PFNGLVERTEXATTRIB4DVNVPROC vertexAttrib4dvNV = (PFNGLVERTEXATTRIB4DVNVPROC) func;
+   PFNGLGETVERTEXATTRIBFVNVPROC getVertexAttribfvNV = (PFNGLGETVERTEXATTRIBFVNVPROC) glXGetProcAddressARB((const GLubyte *) "glGetVertexAttribfvNV");
+
+   const GLdouble v[4] = {0.2, 0.4, 0.8, 1.2};
+   const GLdouble def[4] = {0, 0, 0, 1};
+   GLfloat res[4];
+   GLboolean pass;
+   (*vertexAttrib4dvNV)(6, v);
+   (*getVertexAttribfvNV)(6, GL_CURRENT_ATTRIB_NV, res);
+   pass = (EQUAL(res[0], 0.2) && EQUAL(res[1], 0.4) && EQUAL(res[2], 0.8) && EQUAL(res[3], 1.2));
+   (*vertexAttrib4dvNV)(6, def);
+   return pass;
+}
+
+
+/*
+ * The following header file is auto-generated with Python.  The Python
+ * script looks in this file for functions named "test_*" as seen above.
+ */
+#include "getproclist.h"
+
+
+
+static int
+extension_supported(const char *haystack, const char *needle)
+{
+   if (strstr(haystack, needle))
+      return 1;
+   else
+      return 0;
+}
+
+
+static void
+check_functions( const char *extensions )
+{
+   struct name_test_pair *entry;
+   int failures = 0, passes = 0;
+   int totalFail = 0, totalPass = 0;
+   int doTests;
+
+   for (entry = functions; entry->name; entry++) {
+      if (entry->name[0] == '-') {
+         /* XXX update for OpenGL 2.0 */
+         if (entry->name[1] == '1') {
+            /* check GL version X.Y */
+            const char *version = (const char *) glGetString(GL_VERSION);
+            if (version[0] == entry->name[1] &&
+                version[1] == entry->name[2] &&
+                version[2] >= entry->name[3])
+               doTests = 1;
+            else
+               doTests = 0;
+         }
+         else {
+            /* check if the named extension is available */
+            doTests = extension_supported(extensions, entry->name+1);
+         }
+         if (doTests)
+            printf("Testing %s functions\n", entry->name + 1);
+         totalFail += failures;
+         totalPass += passes;
+         failures = 0;
+         passes = 0;
+      }
+      else if (doTests) {
+         generic_func funcPtr = (generic_func) glXGetProcAddressARB((const GLubyte *) entry->name);
+         if (funcPtr) {
+            if (entry->test) {
+               GLboolean b;
+               printf("   Validating %s:", entry->name);
+               b = (*entry->test)(funcPtr);
+               if (b) {
+                  printf(" Pass\n");
+                  passes++;
+               }
+               else {
+                  printf(" FAIL!!!\n");
+                  failures++;
+               }
+            }
+            else {
+               passes++;
+            }
+         }
+         else {
+            printf("   glXGetProcAddress(%s) failed!\n", entry->name);
+            failures++;
+         }
+      }
+
+      if (doTests && (!(entry+1)->name || (entry+1)->name[0] == '-')) {
+         if (failures > 0) {
+            printf("   %d failed.\n", failures);
+         }
+         if (passes > 0) {
+            printf("   %d passed.\n", passes);
+         }
+      }
+   }
+   totalFail += failures;
+   totalPass += passes;
+
+   printf("-----------------------------\n");
+   printf("Total: %d pass  %d fail\n", totalPass, totalFail);
+}
+
+
+
+static void
+print_screen_info(Display *dpy, int scrnum, Bool allowDirect)
+{
+   Window win;
+   int attribSingle[] = {
+      GLX_RGBA,
+      GLX_RED_SIZE, 1,
+      GLX_GREEN_SIZE, 1,
+      GLX_BLUE_SIZE, 1,
+      None };
+   int attribDouble[] = {
+      GLX_RGBA,
+      GLX_RED_SIZE, 1,
+      GLX_GREEN_SIZE, 1,
+      GLX_BLUE_SIZE, 1,
+      GLX_DOUBLEBUFFER,
+      None };
+
+   XSetWindowAttributes attr;
+   unsigned long mask;
+   Window root;
+   GLXContext ctx;
+   XVisualInfo *visinfo;
+   int width = 100, height = 100;
+
+   root = RootWindow(dpy, scrnum);
+
+   visinfo = glXChooseVisual(dpy, scrnum, attribSingle);
+   if (!visinfo) {
+      visinfo = glXChooseVisual(dpy, scrnum, attribDouble);
+      if (!visinfo) {
+         fprintf(stderr, "Error: couldn't find RGB GLX visual\n");
+         return;
+      }
+   }
+
+   attr.background_pixel = 0;
+   attr.border_pixel = 0;
+   attr.colormap = XCreateColormap(dpy, root, visinfo->visual, AllocNone);
+   attr.event_mask = StructureNotifyMask | ExposureMask;
+   mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
+   win = XCreateWindow(dpy, root, 0, 0, width, height,
+		       0, visinfo->depth, InputOutput,
+		       visinfo->visual, mask, &attr);
+
+   ctx = glXCreateContext( dpy, visinfo, NULL, allowDirect );
+   if (!ctx) {
+      fprintf(stderr, "Error: glXCreateContext failed\n");
+      XDestroyWindow(dpy, win);
+      return;
+   }
+
+   if (glXMakeCurrent(dpy, win, ctx)) {
+      check_functions( (const char *) glGetString(GL_EXTENSIONS) );
+   }
+   else {
+      fprintf(stderr, "Error: glXMakeCurrent failed\n");
+   }
+
+   glXDestroyContext(dpy, ctx);
+   XDestroyWindow(dpy, win);
+}
+
+
+int
+main(int argc, char *argv[])
+{
+   char *displayName = NULL;
+   Display *dpy;
+
+   dpy = XOpenDisplay(displayName);
+   if (!dpy) {
+      fprintf(stderr, "Error: unable to open display %s\n", displayName);
+      return -1;
+   }
+
+   print_screen_info(dpy, 0, GL_TRUE);
+
+   XCloseDisplay(dpy);
+
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/getprocaddress.py b/nx-X11/extras/Mesa_6.4.2/progs/tests/getprocaddress.py
new file mode 100644
index 000000000..d16b2d93d
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/getprocaddress.py
@@ -0,0 +1,93 @@
+#!/usr/bin/env python
+
+# $Id: getprocaddress.py,v 1.7 2005/06/21 23:42:43 idr Exp $
+
+# Helper for the getprocaddress.c test.
+
+import sys, getopt, re
+sys.path.append("../../src/mesa/glapi/" )
+import gl_XML
+import license
+
+
+def FindTestFunctions():
+	"""Scan getprocaddress.c for lines that start with "test_" to find
+	extension function tests.  Return a list of names found."""
+	functions = []
+	f = open("getprocaddress.c")
+	if not f:
+		return functions
+	for line in f.readlines():
+		v = re.search("^test_([a-zA-Z0-9]+)", line)
+		if v:
+			func = v.group(1)
+			functions.append(func)
+	f.close
+	return functions
+
+
+class PrintExports(gl_XML.gl_print_base):
+	def __init__(self):
+		gl_XML.gl_print_base.__init__(self)
+
+		self.name = "getprocaddress.py (from Mesa)"
+		self.license = license.bsd_license_template % ( \
+"""Copyright (C) 1999-2001  Brian Paul   All Rights Reserved.
+(C) Copyright IBM Corporation 2004""", "BRIAN PAUL, IBM")
+
+		self.tests = FindTestFunctions()
+		self.prevCategory = ""
+		return
+
+
+	def printRealHeader(self):
+		print """
+struct name_test_pair {
+   const char *name;
+   GLboolean (*test)(generic_func);
+};
+   
+static struct name_test_pair functions[] = {"""
+
+	def printBody(self, api):
+		prev_category = None
+		
+
+		for f in api.functionIterateByOffset():
+			[category, num] = api.get_category_for_name( f.name )
+			if category != prev_category:
+				print '   { "-%s", NULL},' % category
+				prev_category = category
+			
+			test = "NULL"
+			for name in f.entry_points:
+				if name in self.tests:
+					test = "test_%s" % name
+					break
+
+			print '   { "gl%s", %s },' % (f.name, test)
+
+		print ''
+		print '   { NULL, NULL }'
+		print '};'
+		print ''
+		return
+
+
+if __name__ == '__main__':
+	file_name = "../../src/mesa/glapi/gl_API.xml"
+    
+	try:
+		(args, trail) = getopt.getopt(sys.argv[1:], "f:")
+	except Exception,e:
+		show_usage()
+
+	for (arg,val) in args:
+		if arg == "-f":
+			file_name = val
+
+	printer = PrintExports()
+
+	api = gl_XML.parse_GL_API( file_name, gl_XML.gl_item_factory() )
+
+	printer.Print( api )
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/invert.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/invert.c
new file mode 100644
index 000000000..750592ed7
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/invert.c
@@ -0,0 +1,195 @@
+/*
+ * (C) Copyright IBM Corporation 2005
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * on the rights to use, copy, modify, merge, publish, distribute, sub
+ * license, and/or sell copies of the Software, and to permit persons to whom
+ * the Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.  IN NO EVENT SHALL
+ * VA LINUX SYSTEM, IBM AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/**
+ * \file invert.c
+ * 
+ * Simple test of GL_MESA_pack_invert functionality.  Three squares are
+ * drawn.  The first two should look the same, and the third one should
+ * look inverted.
+ *
+ * \author Ian Romanick <idr@us.ibm.com>
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <GL/glut.h>
+
+#include "readtex.h"
+
+#define IMAGE_FILE "../images/tree3.rgb"
+
+static int Width = 420;
+static int Height = 150;
+static const GLfloat Near = 5.0, Far = 25.0;
+
+static GLubyte * image = NULL;
+static GLubyte * temp_image = NULL;
+static GLuint img_width = 0;
+static GLuint img_height = 0;
+static GLuint img_format = 0;
+
+PFNGLWINDOWPOS2IPROC win_pos_2i = NULL;
+
+
+static void Display( void )
+{
+   GLint err;
+
+
+   glClearColor(0.2, 0.2, 0.8, 0);
+   glClear( GL_COLOR_BUFFER_BIT );
+
+
+   /* This is the "reference" square.
+    */
+
+   (*win_pos_2i)( 5, 5 );
+   glDrawPixels( img_width, img_height, img_format, GL_UNSIGNED_BYTE, image );
+
+   glPixelStorei( GL_PACK_INVERT_MESA, GL_FALSE );
+   err = glGetError();
+   if ( err != GL_NO_ERROR ) {
+      printf( "Setting PACK_INVERT_MESA to false generated an error (0x%04x).\n",
+	      err );
+   }
+
+   glReadPixels( 5, 5, img_width, img_height, img_format, GL_UNSIGNED_BYTE, temp_image );
+   (*win_pos_2i)( 5 + 1 * (10 + img_width), 5 );
+   glDrawPixels( img_width, img_height, img_format, GL_UNSIGNED_BYTE, temp_image );
+
+   glPixelStorei( GL_PACK_INVERT_MESA, GL_TRUE );
+   err = glGetError();
+   if ( err != GL_NO_ERROR ) {
+      printf( "Setting PACK_INVERT_MESA to true generated an error (0x%04x).\n",
+	      err );
+   }
+
+   glReadPixels( 5, 5, img_width, img_height, img_format, GL_UNSIGNED_BYTE, temp_image );
+   (*win_pos_2i)( 5 + 2 * (10 + img_width), 5 );
+   glDrawPixels( img_width, img_height, img_format, GL_UNSIGNED_BYTE, temp_image );
+
+   glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+   GLfloat ar = (float) width / (float) height;
+   Width = width;
+   Height = height;
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glFrustum( -ar, ar, -1.0, 1.0, Near, Far );
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   glTranslatef( 0.0, 0.0, -15.0 );
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void Init( void )
+{
+   const char * const ver_string = (const char * const)
+       glGetString( GL_VERSION );
+   const float ver = strtof( ver_string, NULL );
+
+
+   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
+   printf("GL_VERSION = %s\n", ver_string);
+
+   if ( !glutExtensionSupported("GL_MESA_pack_invert") ) {
+      printf("\nSorry, this program requires GL_MESA_pack_invert.\n");
+      exit(1);
+   }
+
+   if ( ver >= 1.4 ) {
+      win_pos_2i = (PFNGLWINDOWPOS2IPROC) glutGetProcAddress( "glWindowPos2i" );
+   }
+   else if ( glutExtensionSupported("GL_ARB_window_pos") ) {
+      win_pos_2i = (PFNGLWINDOWPOS2IPROC) glutGetProcAddress( "glWindowPos2iARB" );
+   }
+   else if ( glutExtensionSupported("GL_MESA_window_pos") ) {
+      win_pos_2i = (PFNGLWINDOWPOS2IPROC) glutGetProcAddress( "glWindowPos2iMESA" );
+   }
+   
+
+   /* Do this check as a separate if-statement instead of as an else in case
+    * one of the required extensions is supported but glutGetProcAddress
+    * returns NULL.
+    */
+
+   if ( win_pos_2i == NULL ) {
+      printf("\nSorry, this program requires either GL 1.4 (or higher),\n"
+	     "GL_ARB_window_pos, or GL_MESA_window_pos.\n");
+      exit(1);
+   }
+
+   printf("\nThe left 2 squares should be the same color, and the right\n"
+	  "square should look upside-down.\n");
+   
+
+   image = LoadRGBImage( IMAGE_FILE, & img_width, & img_height,
+			 & img_format );
+   if ( image == NULL ) {
+      printf( "Could not open image file \"%s\".\n", IMAGE_FILE );
+      exit(1);
+   }
+
+   temp_image = malloc( 3 * img_height * img_width );
+   if ( temp_image == NULL ) {
+      printf( "Could not allocate memory for temporary image.\n" );
+      exit(1);
+   }
+}
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( Width, Height );
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
+   glutCreateWindow( "GL_MESA_pack_invert test" );
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutDisplayFunc( Display );
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/jkrahntest.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/jkrahntest.c
new file mode 100644
index 000000000..520dbb84e
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/jkrahntest.c
@@ -0,0 +1,177 @@
+/* $Id: jkrahntest.c,v 1.1 2002/06/16 03:57:48 brianp Exp $ */
+
+/* This is a good test for glXSwapBuffers on non-current windows,
+ * and the glXCopyContext function.  Fixed several Mesa/DRI bugs with
+ * this program on 15 June 2002.
+ *
+ * Joe's comments follow:
+ *
+ * I have tried some different approaches for being able to
+ * draw to multiple windows using one context, or a copied
+ * context. Mesa/indirect rendering works to use one context
+ * for multiple windows, but crashes with glXCopyContext.
+ * DRI is badly broken, at least for ATI.
+ *
+ * I also noticed that glXMakeCurrent allows a window and context
+ * from different visuals to be attached (haven't tested recently).
+ *
+ * Joe Krahn  <jkrahn@nc.rr.com>
+ */
+
+#include <GL/glx.h>
+#include <GL/gl.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <math.h>
+#define M_PI 3.14159
+#define DEGTOR (M_PI/180.0)
+
+static int AttributeList[] = { GLX_RGBA, GLX_DOUBLEBUFFER, None };
+
+int main(int argc, char **argv)
+{
+    Window win1, win2;
+    XVisualInfo *vi;
+    XSetWindowAttributes swa;
+    Display *dpy;
+    GLXContext ctx1, ctx2;
+    float angle;
+    int test;
+
+    if (argc < 2) {
+       fprintf(stderr, "This program tests GLX context switching.\n");
+       fprintf(stderr, "Usage: cxbug <n>\n");
+       fprintf(stderr, "Where n is:\n");
+       fprintf(stderr, "\t1) Use two contexts and swap only when the context is current (typical case).\n");
+       fprintf(stderr, "\t2) Use two contexts and swap at the same time.\n");
+       fprintf(stderr, "\t\t Used to crash Mesa & nVidia, and DRI artifacts. Seems OK now.\n");
+       fprintf(stderr, "\t3) Use one context, but only swap when a context is current.\n");
+       fprintf(stderr, "\t\t Serious artifacts for DRI at least with ATI.\n");
+       fprintf(stderr, "\t4) Use one context, swap both windows at the same time, so the left\n");
+       fprintf(stderr, "\t\t window has no context at swap time. Severe artifacts for DRI.\n");
+       fprintf(stderr, "\t5) Use two contexts, copying one to the other when switching windows.\n");
+       fprintf(stderr, "\t\t DRI gives an error, indirect rendering crashes server.\n");
+
+	exit(1);
+    }
+    test = atoi(argv[1]);
+
+    /* get a connection */
+    dpy = XOpenDisplay(NULL);
+
+    /* Get an appropriate visual */
+    vi = glXChooseVisual(dpy, DefaultScreen(dpy), AttributeList);
+    if (vi == 0) {
+	fprintf(stderr, "No matching visuals found.\n");
+	exit(-1);
+    }
+
+    /* Create two GLX contexts, with list sharing */
+    ctx1 = glXCreateContext(dpy, vi, 0, True);
+    ctx2 = glXCreateContext(dpy, vi, ctx1, True);
+
+    /* create a colormap */
+    swa.colormap = XCreateColormap(dpy, RootWindow(dpy, vi->screen),
+       vi->visual, AllocNone);
+    swa.border_pixel = 0;
+
+    /* Create two windows */
+    win1 = XCreateWindow(dpy, RootWindow(dpy, vi->screen),
+       10, 10, 200, 200,
+       0, vi->depth, InputOutput, vi->visual,
+       CWBorderPixel | CWColormap, &swa);
+    XStoreName(dpy, win1, "Test [L]");
+    XMapWindow(dpy, win1);
+    XMoveWindow(dpy, win1, 10, 10); /* Initial requested x,y may not be honored */
+   {
+      XSizeHints sizehints;
+      static const char *name = "window";
+      sizehints.x = 10;
+      sizehints.y = 10;
+      sizehints.width  = 200;
+      sizehints.height = 200;
+      sizehints.flags = USSize | USPosition;
+      XSetNormalHints(dpy, win1, &sizehints);
+      XSetStandardProperties(dpy, win1, name, name,
+                              None, (char **)NULL, 0, &sizehints);
+   }
+
+
+    win2 = XCreateWindow(dpy, RootWindow(dpy, vi->screen),
+       250, 10, 200, 200,
+       0, vi->depth, InputOutput, vi->visual,
+       CWBorderPixel | CWColormap, &swa);
+    XStoreName(dpy, win1, "Test [R]");
+    XMapWindow(dpy, win2);
+    XMoveWindow(dpy, win2, 260, 10);
+   {
+      XSizeHints sizehints;
+      static const char *name = "window";
+      sizehints.x = 10;
+      sizehints.y = 10;
+      sizehints.width  = 200;
+      sizehints.height = 200;
+      sizehints.flags = USSize | USPosition;
+      XSetNormalHints(dpy, win2, &sizehints);
+      XSetStandardProperties(dpy, win2, name, name,
+                              None, (char **)NULL, 0, &sizehints);
+   }
+
+
+    /* Now draw some spinning things */
+    for (angle = 0; angle < 360*4; angle += 10.0) {
+	/* Connect the context to window 1 */
+	glXMakeCurrent(dpy, win1, ctx1);
+
+	/* Clear and draw in window 1 */
+	glDrawBuffer(GL_BACK);
+	glClearColor(1, 1, 0, 1);
+	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+	glColor3f(1, 0, 0);
+	glBegin(GL_TRIANGLES);
+	glVertex2f(0, 0);
+	glVertex2f(cos(angle * DEGTOR), sin(angle * DEGTOR));
+	glVertex2f(cos((angle + 20.0) * DEGTOR),
+	   sin((angle + 20.0) * DEGTOR));
+	glEnd();
+        glFlush();
+
+	if (test == 1 || test == 3 || test == 5)
+	    glXSwapBuffers(dpy, win1);
+
+	if (test == 5)
+	    glXCopyContext(dpy, ctx1, ctx2, GL_ALL_ATTRIB_BITS);
+	/* Connect the context to window 2 */
+	if (test == 3 || test == 4) {
+	    glXMakeCurrent(dpy, win2, ctx1);
+	} else {
+	    glXMakeCurrent(dpy, win2, ctx2);
+	}
+
+	/* Clear and draw in window 2 */
+	glDrawBuffer(GL_BACK);
+	glClearColor(0, 0, 1, 1);
+	glClear(GL_COLOR_BUFFER_BIT);
+	glColor3f(1, 1, 0);
+	glBegin(GL_TRIANGLES);
+	glVertex2f(0, 0);
+	glVertex2f(cos(angle * DEGTOR), sin(angle * DEGTOR));
+	glVertex2f(cos((angle + 20.0) * DEGTOR),
+	   sin((angle + 20.0) * DEGTOR));
+	glEnd();
+        glFlush();
+
+	/* Swap buffers */
+	if (test == 2 || test == 4)
+	    glXSwapBuffers(dpy, win1);
+	glXSwapBuffers(dpy, win2);
+
+	/* wait a while */
+	glXWaitX();
+        usleep(20000);
+    }
+
+    return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/manytex.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/manytex.c
new file mode 100644
index 000000000..8add125a6
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/manytex.c
@@ -0,0 +1,381 @@
+/* $Id: manytex.c,v 1.4 2002/10/18 17:47:36 kschultz Exp $ */
+
+/*
+ * test handling of many texture maps
+ * Also tests texture priority and residency.
+ *
+ * Brian Paul
+ * August 2, 2000
+ */
+
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <GL/glut.h>
+
+
+static GLint NumTextures = 20;
+static GLuint *TextureID = NULL;
+static GLint *TextureWidth = NULL, *TextureHeight = NULL;
+static GLboolean *TextureResidency = NULL;
+static GLint TexWidth = 128, TexHeight = 128;
+static GLfloat Zrot = 0;
+static GLboolean Anim = GL_TRUE;
+static GLint WinWidth = 500, WinHeight = 400;
+static GLboolean MipMap = GL_FALSE;
+static GLboolean LinearFilter = GL_FALSE;
+static GLboolean RandomSize = GL_FALSE;
+static GLint Rows, Columns;
+static GLint LowPriorityCount = 0;
+
+
+static void Idle( void )
+{
+   Zrot += 1.0;
+   glutPostRedisplay();
+}
+
+
+static void Display( void )
+{
+   GLfloat spacing = WinWidth / Columns;
+   GLfloat size = spacing * 0.4;
+   GLint i;
+
+   /* test residency */
+   if (0)
+   {
+      GLboolean b;
+      GLint i, resident;
+      b = glAreTexturesResident(NumTextures, TextureID, TextureResidency);
+      if (b) {
+         printf("all resident\n");
+      }
+      else {
+         resident = 0;
+         for (i = 0; i < NumTextures; i++) {
+            if (TextureResidency[i]) {
+               resident++;
+            }
+         }
+         printf("%d of %d texture resident\n", resident, NumTextures);
+      }
+   }
+
+   /* render the textured quads */
+   glClear( GL_COLOR_BUFFER_BIT );
+   for (i = 0; i < NumTextures; i++) {
+      GLint row = i / Columns;
+      GLint col = i % Columns;
+      GLfloat x = col * spacing + spacing * 0.5;
+      GLfloat y = row * spacing + spacing * 0.5;
+
+      GLfloat maxDim = (TextureWidth[i] > TextureHeight[i])
+         ? TextureWidth[i] : TextureHeight[i];
+      GLfloat w = TextureWidth[i] / maxDim;
+      GLfloat h = TextureHeight[i] / maxDim;
+
+      glPushMatrix();
+         glTranslatef(x, y, 0.0);
+         glRotatef(Zrot, 0, 0, 1);
+         glScalef(size, size, 1);
+
+         glBindTexture(GL_TEXTURE_2D, TextureID[i]);
+         glBegin(GL_POLYGON);
+#if 0
+         glTexCoord2f(0, 0);  glVertex2f(-1, -1);
+         glTexCoord2f(1, 0);  glVertex2f( 1, -1);
+         glTexCoord2f(1, 1);  glVertex2f( 1,  1);
+         glTexCoord2f(0, 1);  glVertex2f(-1,  1);
+#else
+         glTexCoord2f(0, 0);  glVertex2f(-w, -h);
+         glTexCoord2f(1, 0);  glVertex2f( w, -h);
+         glTexCoord2f(1, 1);  glVertex2f( w,  h);
+         glTexCoord2f(0, 1);  glVertex2f(-w,  h);
+#endif
+         glEnd();
+      glPopMatrix();
+   }
+
+   glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+   WinWidth = width;
+   WinHeight = height;
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glOrtho(0, width, 0, height, -1, 1);
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+}
+
+
+/*
+ * Return a random int in [min, max].
+ */
+static int RandomInt(int min, int max)
+{
+   int i = rand();
+   int j = i % (max - min + 1);
+   return min + j;
+}
+
+
+
+static void Init( void )
+{
+   GLint i;
+
+   if (RandomSize) {
+      printf("Creating %d %s random-size textures, ", NumTextures,
+             MipMap ? "Mipmapped" : "non-Mipmapped");
+   }
+   else {
+      printf("Creating %d %s %d x %d textures, ", NumTextures,
+             MipMap ? "Mipmapped" : "non-Mipmapped",
+             TexWidth, TexHeight);
+   }
+
+   if (LinearFilter) {
+      printf("bilinear filtering\n");
+   }
+   else {
+      printf("nearest filtering\n");
+   }
+
+
+   /* compute number of rows and columns of rects */
+   {
+      GLfloat area = (GLfloat) (WinWidth * WinHeight) / (GLfloat) NumTextures;
+      GLfloat edgeLen = sqrt(area);
+
+      Columns = WinWidth / edgeLen;
+      Rows = (NumTextures + Columns - 1) / Columns;
+      printf("Rows: %d  Cols: %d\n", Rows, Columns);
+   }
+
+
+   if (!TextureID) {
+      TextureID = (GLuint *) malloc(sizeof(GLuint) * NumTextures);
+      assert(TextureID);
+      glGenTextures(NumTextures, TextureID);
+   }
+
+   if (!TextureResidency) {
+      TextureResidency = (GLboolean *) malloc(sizeof(GLboolean) * NumTextures);
+      assert(TextureResidency);
+   }
+
+   if (!TextureWidth) {
+      TextureWidth = (GLint *) malloc(sizeof(GLint) * NumTextures);
+      assert(TextureWidth);
+   }
+   if (!TextureHeight) {
+      TextureHeight = (GLint *) malloc(sizeof(GLint) * NumTextures);
+      assert(TextureHeight);
+   }
+
+   for (i = 0; i < NumTextures; i++) {
+      GLubyte color[4];
+      GLubyte *texImage;
+      GLint j, row, col;
+
+      row = i / Columns;
+      col = i % Columns;
+
+      glBindTexture(GL_TEXTURE_2D, TextureID[i]);
+
+      if (i < LowPriorityCount)
+         glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_PRIORITY, 0.5F);
+
+      if (RandomSize) {
+#if 0
+         int k = (glutGet(GLUT_ELAPSED_TIME) % 7) + 2;
+         TexWidth  = 1 << k;
+         TexHeight = 1 << k;
+#else
+         TexWidth = 1 << RandomInt(2, 7);
+         TexHeight = 1 << RandomInt(2, 7);
+         printf("Random size of %3d: %d x %d\n", i, TexWidth, TexHeight);
+#endif
+      }
+
+      TextureWidth[i] = TexWidth;
+      TextureHeight[i] = TexHeight;
+
+      texImage = (GLubyte*) malloc(4 * TexWidth * TexHeight * sizeof(GLubyte));
+      assert(texImage);
+
+      /* determine texture color */
+      color[0] = (GLint) (255.0 * ((float) col / (Columns - 1)));
+      color[1] = 127;
+      color[2] = (GLint) (255.0 * ((float) row / (Rows - 1)));
+      color[3] = 255;
+
+      /* fill in solid-colored teximage */
+      for (j = 0; j < TexWidth * TexHeight; j++) {
+         texImage[j*4+0] = color[0];
+         texImage[j*4+1] = color[1];
+         texImage[j*4+2] = color[2];
+         texImage[j*4+3] = color[3];
+     }
+
+      if (MipMap) {
+         GLint level = 0;
+         GLint w = TexWidth, h = TexHeight;
+         while (1) {
+            glTexImage2D(GL_TEXTURE_2D, level, GL_RGBA, w, h, 0,
+                         GL_RGBA, GL_UNSIGNED_BYTE, texImage);
+            if (w == 1 && h == 1)
+               break;
+            if (w > 1)
+               w /= 2;
+            if (h > 1)
+               h /= 2;
+            level++;
+            /*printf("%d: %d x %d\n", level, w, h);*/
+         }
+         if (LinearFilter) {
+            glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
+                            GL_LINEAR_MIPMAP_LINEAR);
+            glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+         }
+         else {
+            glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
+                            GL_NEAREST_MIPMAP_NEAREST);
+            glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+         }
+      }
+      else {
+         /* Set corners to white */
+         int k = 0;
+         texImage[k+0] = texImage[k+1] = texImage[k+2] = texImage[k+3] = 255;
+         k = (TexWidth - 1) * 4;
+         texImage[k+0] = texImage[k+1] = texImage[k+2] = texImage[k+3] = 255;
+         k = (TexWidth * TexHeight - TexWidth) * 4;
+         texImage[k+0] = texImage[k+1] = texImage[k+2] = texImage[k+3] = 255;
+         k = (TexWidth * TexHeight - 1) * 4;
+         texImage[k+0] = texImage[k+1] = texImage[k+2] = texImage[k+3] = 255;
+
+         glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, TexWidth, TexHeight, 0,
+                      GL_RGBA, GL_UNSIGNED_BYTE, texImage);
+         if (LinearFilter) {
+            glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+            glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+         }
+         else {
+            glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+            glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+         }
+      }
+
+      free(texImage);
+   }
+
+   glEnable(GL_TEXTURE_2D);
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   const GLfloat step = 3.0;
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 'a':
+         Anim = !Anim;
+         if (Anim)
+            glutIdleFunc(Idle);
+         else
+            glutIdleFunc(NULL);
+         break;
+      case 's':
+         Idle();
+         break;
+      case 'z':
+         Zrot -= step;
+         break;
+      case 'Z':
+         Zrot += step;
+         break;
+      case ' ':
+         Init();
+         break;
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+int main( int argc, char *argv[] )
+{
+   GLint i;
+
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( WinWidth, WinHeight );
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
+   glutCreateWindow(argv[0]);
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutDisplayFunc( Display );
+   if (Anim)
+      glutIdleFunc(Idle);
+
+   for (i = 1; i < argc; i++) {
+      if (strcmp(argv[i], "-n") == 0) {
+         NumTextures = atoi(argv[i+1]);
+         if (NumTextures <= 0) {
+            printf("Error, bad number of textures\n");
+            return 1;
+         }
+         i++;
+      }
+      else if (strcmp(argv[i], "-mipmap") == 0) {
+         MipMap = GL_TRUE;
+      }
+      else if (strcmp(argv[i], "-linear") == 0) {
+         LinearFilter = GL_TRUE;
+      }
+      else if (strcmp(argv[i], "-size") == 0) {
+         TexWidth = atoi(argv[i+1]);
+         TexHeight = atoi(argv[i+2]);
+         assert(TexWidth >= 1);
+         assert(TexHeight >= 1);
+         i += 2;
+      }
+      else if (strcmp(argv[i], "-randomsize") == 0) {
+         RandomSize = GL_TRUE;
+      }
+      else if (strcmp(argv[i], "-lowpri") == 0) {
+         LowPriorityCount = atoi(argv[i+1]);
+         i++;
+      }
+      else {
+         printf("Usage:\n");
+         printf("  manytex [options]\n");
+         printf("Options:\n");
+         printf("  -n <number of texture objects>\n");
+         printf("  -size <width> <height>  - specify texture size\n");
+         printf("  -randomsize  - use random size textures\n");
+         printf("  -mipmap      - generate mipmaps\n");
+         printf("  -linear      - use linear filtering instead of nearest\n");
+         printf("  -lowpri <n>  - Set lower priority on <n> textures\n");
+         return 0;
+      }
+   }
+
+   Init();
+
+   glutMainLoop();
+
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/multipal.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/multipal.c
new file mode 100644
index 000000000..c824b3870
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/multipal.c
@@ -0,0 +1,377 @@
+/* $Id: multipal.c,v 1.6 2003/12/08 09:03:36 joukj Exp $ */
+
+/*
+ * Test multitexture and paletted textures.
+ */
+
+#include <assert.h>
+#include <math.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#ifdef __VMS
+# include <stddef.h>	/* for ptrdiff_t, referenced by GL.h when GL_GLEXT_LEGACY defined */
+#else
+# include <malloc.h>	/* for ptrdiff_t, referenced by GL.h when GL_GLEXT_LEGACY defined */
+#endif
+#ifdef _WIN32
+#include <windows.h>
+#endif
+#define GL_GLEXT_LEGACY
+#include <GL/glut.h>
+
+#include "../util/readtex.c"   /* I know, this is a hack. */
+
+#define TEXTURE_1_FILE "../images/tile.rgb"
+#define TEXTURE_2_FILE "../images/reflect.rgb"
+
+#define TEX0 1
+#define TEX1 2
+#define TEXBOTH 3
+#define ANIMATE 10
+#define QUIT 100
+
+static GLboolean Animate = GL_TRUE;
+
+static GLfloat Drift = 0.0;
+static GLfloat Xrot = 20.0, Yrot = 30.0, Zrot = 0.0;
+
+
+
+static void Idle( void )
+{
+   if (Animate) {
+      Drift += 0.05;
+      if (Drift >= 1.0)
+         Drift = 0.0;
+
+#ifdef GL_ARB_multitexture
+      glActiveTextureARB(GL_TEXTURE0_ARB);
+#endif
+      glMatrixMode(GL_TEXTURE);
+      glLoadIdentity();
+      glTranslatef(Drift, 0.0, 0.0);
+      glMatrixMode(GL_MODELVIEW);
+
+#ifdef GL_ARB_multitexture
+      glActiveTextureARB(GL_TEXTURE1_ARB);
+#endif
+      glMatrixMode(GL_TEXTURE);
+      glLoadIdentity();
+      glTranslatef(0.0, Drift, 0.0);
+      glMatrixMode(GL_MODELVIEW);
+
+      glutPostRedisplay();
+   }
+}
+
+
+static void DrawObject(void)
+{
+   glBegin(GL_QUADS);
+
+#ifdef GL_ARB_multitexture
+   glMultiTexCoord2fARB(GL_TEXTURE0_ARB, 0.0, 0.0);
+   glMultiTexCoord2fARB(GL_TEXTURE1_ARB, 0.0, 0.0);
+   glVertex2f(-1.0, -1.0);
+
+   glMultiTexCoord2fARB(GL_TEXTURE0_ARB, 2.0, 0.0);
+   glMultiTexCoord2fARB(GL_TEXTURE1_ARB, 1.0, 0.0);
+   glVertex2f(1.0, -1.0);
+
+   glMultiTexCoord2fARB(GL_TEXTURE0_ARB, 2.0, 2.0);
+   glMultiTexCoord2fARB(GL_TEXTURE1_ARB, 1.0, 1.0);
+   glVertex2f(1.0, 1.0);
+
+   glMultiTexCoord2fARB(GL_TEXTURE0_ARB, 0.0, 2.0);
+   glMultiTexCoord2fARB(GL_TEXTURE1_ARB, 0.0, 1.0);
+   glVertex2f(-1.0, 1.0);
+#else
+   glTexCoord2f(0.0, 0.0);
+   glVertex2f(-1.0, -1.0);
+
+   glTexCoord2f(1.0, 0.0);
+   glVertex2f(1.0, -1.0);
+
+   glTexCoord2f(1.0, 1.0);
+   glVertex2f(1.0, 1.0);
+
+   glTexCoord2f(0.0, 1.0);
+   glVertex2f(-1.0, 1.0);
+#endif
+
+   glEnd();
+}
+
+
+
+static void Display( void )
+{
+   glClear( GL_COLOR_BUFFER_BIT );
+
+   glPushMatrix();
+      glRotatef(Xrot, 1.0, 0.0, 0.0);
+      glRotatef(Yrot, 0.0, 1.0, 0.0);
+      glRotatef(Zrot, 0.0, 0.0, 1.0);
+      glScalef(5.0, 5.0, 5.0);
+      DrawObject();
+   glPopMatrix();
+
+   glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glFrustum( -1.0, 1.0, -1.0, 1.0, 10.0, 100.0 );
+   /*glOrtho( -6.0, 6.0, -6.0, 6.0, 10.0, 100.0 );*/
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   glTranslatef( 0.0, 0.0, -70.0 );
+}
+
+
+static void ModeMenu(int entry)
+{
+   GLboolean enable0 = GL_FALSE, enable1 = GL_FALSE;
+   if (entry==TEX0) {
+      enable0 = GL_TRUE;
+   }
+   else if (entry==TEX1) {
+      enable1 = GL_TRUE;
+   }
+   else if (entry==TEXBOTH) {
+      enable0 = GL_TRUE;
+      enable1 = GL_TRUE;
+   }
+   else if (entry==ANIMATE) {
+      Animate = !Animate;
+   }
+   else if (entry==QUIT) {
+      exit(0);
+   }
+
+   if (entry != ANIMATE) {
+#ifdef GL_ARB_multitexture
+      glActiveTextureARB(GL_TEXTURE0_ARB);
+#endif
+      if (enable0) {
+         glEnable(GL_TEXTURE_2D);
+      }
+      else
+         glDisable(GL_TEXTURE_2D);
+
+#ifdef GL_ARB_multitexture
+      glActiveTextureARB(GL_TEXTURE1_ARB);
+#endif
+      if (enable1) {
+         glEnable(GL_TEXTURE_2D);
+      }
+      else
+         glDisable(GL_TEXTURE_2D);
+   }
+
+   glutPostRedisplay();
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void SpecialKey( int key, int x, int y )
+{
+   float step = 3.0;
+   (void) x;
+   (void) y;
+
+   switch (key) {
+      case GLUT_KEY_UP:
+         Xrot += step;
+         break;
+      case GLUT_KEY_DOWN:
+         Xrot -= step;
+         break;
+      case GLUT_KEY_LEFT:
+         Yrot += step;
+         break;
+      case GLUT_KEY_RIGHT:
+         Yrot -= step;
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void load_tex(const char *fname, int channel)
+{
+   GLubyte *image;
+   GLenum format;
+   GLint w, h;
+   GLubyte *grayImage;
+   int i;
+   GLubyte table[256][4];
+
+   image = LoadRGBImage(fname, &w, &h, &format);
+   if (!image)
+      exit(1);
+
+   printf("%s %d x %d\n", fname, w, h);
+   grayImage = malloc(w * h * 1);
+   assert(grayImage);
+   for (i = 0; i < w * h; i++) {
+      int g = (image[i*3+0] + image[i*3+1] + image[i*3+2]) / 3;
+      assert(g < 256);
+      grayImage[i] = g;
+   }
+
+   glTexImage2D(GL_TEXTURE_2D, 0, GL_COLOR_INDEX, w, h, 0, GL_COLOR_INDEX,
+                GL_UNSIGNED_BYTE, grayImage);
+
+   for (i = 0; i < 256; i++) {
+      table[i][0] = channel ? i : 0;
+      table[i][1] = i;
+      table[i][2] = channel ? 0 : i;
+      table[i][3] = 255;
+   }
+
+   glColorTableEXT(GL_TEXTURE_2D,    /* target */
+                   GL_RGBA,          /* internal format */
+                   256,              /* table size */
+                   GL_RGBA,          /* table format */
+                   GL_UNSIGNED_BYTE, /* table type */
+                   table);           /* the color table */
+
+   free(grayImage);
+   free(image);
+}
+
+
+
+static void Init( int argc, char *argv[] )
+{
+   GLuint texObj[2];
+   GLint units;
+
+   if (!glutExtensionSupported("GL_ARB_multitexture")) {
+      printf("Sorry, GL_ARB_multitexture not supported by this renderer.\n");
+      exit(1);
+   }
+   if (!glutExtensionSupported("GL_EXT_paletted_texture")) {
+      printf("Sorry, GL_EXT_paletted_texture not supported by this renderer.\n");
+      exit(1);
+   }
+
+   glGetIntegerv(GL_MAX_TEXTURE_UNITS_ARB, &units);
+   printf("%d texture units supported\n", units);
+
+   /* allocate two texture objects */
+   glGenTextures(2, texObj);
+
+   /* setup texture obj 0 */
+   glBindTexture(GL_TEXTURE_2D, texObj[0]);
+#ifdef LINEAR_FILTER
+   /* linear filtering looks much nicer but is much slower for Mesa */
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+foo
+#else
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+#endif
+
+   glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+
+   glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+
+   load_tex(TEXTURE_1_FILE, 0);
+#if 0
+   if (!LoadRGBMipmaps(TEXTURE_1_FILE, GL_RGB)) {
+      printf("Error: couldn't load texture image\n");
+      exit(1);
+   }
+#endif
+
+   /* setup texture obj 1 */
+   glBindTexture(GL_TEXTURE_2D, texObj[1]);
+#ifdef LINEAR_FILTER
+   /* linear filtering looks much nicer but is much slower for Mesa */
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+foo
+#else
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+#endif
+
+   glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+
+   load_tex(TEXTURE_2_FILE, 1);
+#if 0
+   if (!LoadRGBMipmaps(TEXTURE_2_FILE, GL_RGB)) {
+      printf("Error: couldn't load texture image\n");
+      exit(1);
+   }
+#endif
+
+   /* now bind the texture objects to the respective texture units */
+#ifdef GL_ARB_multitexture
+   glActiveTextureARB(GL_TEXTURE0_ARB);
+   glBindTexture(GL_TEXTURE_2D, texObj[0]);
+   glActiveTextureARB(GL_TEXTURE1_ARB);
+   glBindTexture(GL_TEXTURE_2D, texObj[1]);
+#endif
+
+   glShadeModel(GL_FLAT);
+   glClearColor(0.3, 0.3, 0.4, 1.0);
+
+   ModeMenu(TEXBOTH);
+
+   if (argc > 1 && strcmp(argv[1], "-info")==0) {
+      printf("GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+      printf("GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+      printf("GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+      printf("GL_EXTENSIONS = %s\n", (char *) glGetString(GL_EXTENSIONS));
+   }
+}
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowSize( 300, 300 );
+   glutInitWindowPosition( 0, 0 );
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
+   glutCreateWindow(argv[0] );
+
+   Init( argc, argv );
+
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutSpecialFunc( SpecialKey );
+   glutDisplayFunc( Display );
+   glutIdleFunc( Idle );
+
+   glutCreateMenu(ModeMenu);
+   glutAddMenuEntry("Texture 0", TEX0);
+   glutAddMenuEntry("Texture 1", TEX1);
+   glutAddMenuEntry("Multi-texture", TEXBOTH);
+   glutAddMenuEntry("Toggle Animation", ANIMATE);
+   glutAddMenuEntry("Quit", QUIT);
+   glutAttachMenu(GLUT_RIGHT_BUTTON);
+
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/multitexarray.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/multitexarray.c
new file mode 100644
index 000000000..b4fab004a
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/multitexarray.c
@@ -0,0 +1,238 @@
+/*
+ * Test vertex arrays and multitexture.
+ * Press 'a' to toggle vertex arrays on/off.
+ * When you run this program you should see a square with four colors:
+ *
+ *      +------+------+
+ *      |yellow| pink |
+ *      +------+------+
+ *      |green | blue |
+ *      +------+------+
+ */
+
+
+#include <assert.h>
+#include <math.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include "GL/glut.h"
+
+static GLuint Window = 0;
+
+static GLuint TexObj[2];
+static GLfloat Angle = 0.0f;
+static GLboolean UseArrays = 1, Anim = 0;
+
+static GLfloat VertArray[4][2] = {
+   {-1.2, -1.2}, {1.2, -1.2}, {1.2, 1.2}, {-1.2, 1.2}
+};
+
+static GLfloat Tex0Array[4][2] = {
+   {0, 0}, {1, 0}, {1, 1}, {0, 1}
+};
+
+static GLfloat Tex1Array[4][2] = {
+   {0, 0}, {1, 0}, {1, 1}, {0, 1}
+};
+
+
+static void init_arrays(void)
+{
+   glVertexPointer(2, GL_FLOAT, 0, VertArray);
+   glEnableClientState(GL_VERTEX_ARRAY);
+
+   glClientActiveTextureARB(GL_TEXTURE0_ARB);
+   glTexCoordPointer(2, GL_FLOAT, 0, Tex0Array);
+   glEnableClientState(GL_TEXTURE_COORD_ARRAY);
+
+   glClientActiveTextureARB(GL_TEXTURE1_ARB);
+   glTexCoordPointer(2, GL_FLOAT, 0, Tex1Array);
+   glEnableClientState(GL_TEXTURE_COORD_ARRAY);
+}
+
+
+static void draw( void )
+{
+   glClear( GL_COLOR_BUFFER_BIT );
+
+   glColor3f( 0.0, 0.0, 0.0 );
+
+   /* draw first polygon */
+   glPushMatrix();
+      glRotatef( Angle, 0.0, 0.0, 1.0 );
+
+      if (UseArrays) {
+         glDrawArrays(GL_POLYGON, 0, 4);
+      }
+      else {
+         glBegin( GL_POLYGON );
+            glTexCoord2f( 0.0, 0.0 );
+            glMultiTexCoord2fARB(GL_TEXTURE1_ARB, 0.0, 0.0);
+            glVertex2f( -1.0, -1.0 );
+
+            glTexCoord2f( 1.0, 0.0 );
+            glMultiTexCoord2fARB(GL_TEXTURE1_ARB, 1.0, 0.0);
+            glVertex2f(  1.0, -1.0 );
+
+            glTexCoord2f( 1.0, 1.0 );
+            glMultiTexCoord2fARB(GL_TEXTURE1_ARB, 1.0, 1.0);
+            glVertex2f(  1.0,  1.0 );
+
+            glTexCoord2f( 0.0, 1.0 );
+            glMultiTexCoord2fARB(GL_TEXTURE1_ARB, 0.0, 1.0);
+            glVertex2f( -1.0,  1.0 );
+         glEnd();
+      }
+
+   glPopMatrix();
+
+   glutSwapBuffers();
+}
+
+
+
+static void idle( void )
+{
+   Angle += 2.0;
+   glutPostRedisplay();
+}
+
+
+
+/* change view Angle, exit upon ESC */
+static void key(unsigned char k, int x, int y)
+{
+   (void) x;
+   (void) y;
+   switch (k) {
+      case 'a':
+         UseArrays = !UseArrays;
+         printf("UseArrays: %d\n", UseArrays);
+         break;
+      case ' ':
+         Anim = !Anim;
+         if (Anim)
+            glutIdleFunc(idle);
+         else
+            glutIdleFunc(NULL);
+         break;
+      case 27:
+         glDeleteTextures( 2, TexObj );
+         glutDestroyWindow(Window);
+         exit(0);
+   }
+   glutPostRedisplay();
+}
+
+
+
+/* new window size or exposure */
+static void reshape( int width, int height )
+{
+   glViewport(0, 0, (GLint)width, (GLint)height);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   /*   glOrtho( -3.0, 3.0, -3.0, 3.0, -10.0, 10.0 );*/
+   glFrustum( -2.0, 2.0, -2.0, 2.0, 6.0, 20.0 );
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glTranslatef( 0.0, 0.0, -8.0 );
+}
+
+
+static void init( void )
+{
+   static int width=8, height=8;
+   GLubyte tex[64][3];
+   GLint i, j;
+
+   /* generate texture object IDs */
+   glGenTextures( 2, TexObj );
+
+   /*
+    * setup first texture object
+    */
+   glActiveTextureARB(GL_TEXTURE0_ARB);
+   glEnable( GL_TEXTURE_2D );
+   glTexEnvi( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_ADD );
+
+   glBindTexture( GL_TEXTURE_2D, TexObj[0] );
+   assert(glIsTexture(TexObj[0]));
+
+   /* red over black */
+   for (i=0;i<height;i++) {
+      for (j=0;j<width;j++) {
+         int p = i*width+j;
+         if (i < height / 2) {
+            tex[p][0] = 0;   tex[p][1] = 0;   tex[p][2] = 0;
+         }
+         else {
+            tex[p][0] = 255;   tex[p][1] = 0;     tex[p][2] = 0;
+         }
+      }
+   }
+
+   glTexImage2D( GL_TEXTURE_2D, 0, 3, width, height, 0,
+                 GL_RGB, GL_UNSIGNED_BYTE, tex );
+   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST );
+   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST );
+   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT );
+   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT );
+
+
+   /*
+    * setup second texture object
+    */
+   glActiveTextureARB(GL_TEXTURE1_ARB);
+   glEnable( GL_TEXTURE_2D );
+   glTexEnvi( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_ADD );
+
+   glBindTexture( GL_TEXTURE_2D, TexObj[1] );
+   assert(glIsTexture(TexObj[1]));
+
+   /* left=green, right = blue */
+   for (i=0;i<height;i++) {
+      for (j=0;j<width;j++) {
+         int p = i*width+j;
+         if (j < width / 2) {
+            tex[p][0] = 0;     tex[p][1] = 255;   tex[p][2] = 0;
+         }
+         else {
+            tex[p][0] = 0;     tex[p][1] = 0;     tex[p][2] = 255;
+         }
+      }
+   }
+   glTexImage2D( GL_TEXTURE_2D, 0, 3, width, height, 0,
+                 GL_RGB, GL_UNSIGNED_BYTE, tex );
+   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST );
+   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST );
+   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT );
+   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT );
+}
+
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit(&argc, argv);
+   glutInitWindowPosition(0, 0);
+   glutInitWindowSize(300, 300);
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
+
+   Window = glutCreateWindow("Texture Objects");
+   if (!Window) {
+      exit(1);
+   }
+
+   init();
+   init_arrays();
+
+   glutReshapeFunc( reshape );
+   glutKeyboardFunc( key );
+   if (Anim)
+      glutIdleFunc( idle );
+   glutDisplayFunc( draw );
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/multiwindow.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/multiwindow.c
new file mode 100644
index 000000000..e004b0336
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/multiwindow.c
@@ -0,0 +1,169 @@
+/* $Id: multiwindow.c,v 1.1 2001/08/21 14:25:31 brianp Exp $ */
+
+/*
+ * A skeleton/template GLUT program
+ *
+ * Written by Brian Paul and in the public domain.
+ */
+
+
+/*
+ * $Log: multiwindow.c,v $
+ * Revision 1.1  2001/08/21 14:25:31  brianp
+ * simple multi-window GLUT test prog
+ *
+ * Revision 1.1.1.1  1999/08/19 00:55:42  jtg
+ * Imported sources
+ *
+ * Revision 1.2  1998/11/07 14:20:14  brianp
+ * added simple rotation, animation of cube
+ *
+ * Revision 1.1  1998/11/07 14:14:37  brianp
+ * Initial revision
+ *
+ */
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <GL/glut.h>
+
+
+static GLint Window[2];
+
+static GLfloat Xrot = 0, Yrot = 0, Zrot = 0;
+static GLboolean Anim = GL_TRUE;
+
+
+static void Idle( void )
+{
+   Xrot += 3.0;
+   Yrot += 4.0;
+   Zrot += 2.0;
+
+   glutSetWindow(Window[0]);
+   glutPostRedisplay();
+   glutSetWindow(Window[1]);
+   glutPostRedisplay();
+}
+
+
+static void Display0( void )
+{
+   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+   glEnable(GL_LIGHTING);
+   glEnable(GL_LIGHT0);
+   glEnable(GL_DEPTH_TEST);
+
+   glPushMatrix();
+   glRotatef(Xrot, 1, 0, 0);
+   glRotatef(Yrot, 0, 1, 0);
+   glRotatef(Zrot, 0, 0, 1);
+
+   glColor3f(0, 1, 0);
+   glutSolidCube(2.0);
+
+   glPopMatrix();
+
+   glutSwapBuffers();
+}
+
+
+static void Display1( void )
+{
+   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+   glPushMatrix();
+   glRotatef(Xrot, 1, 0, 0);
+   glRotatef(Yrot, 0, 1, 0);
+   glRotatef(Zrot, 0, 0, 1);
+
+   glShadeModel(GL_FLAT);
+
+   glBegin(GL_TRIANGLE_STRIP);
+   glColor3f(1, 0, 0);
+   glVertex2f(-1, -1);
+   glVertex2f( 1, -1);
+   glColor3f(1, 0, 0);
+   glVertex2f( -1, 1);
+   glColor3f(0, 0, 1);
+   glVertex2f( 1, 1);
+   glEnd();
+
+   glPopMatrix();
+
+   glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glFrustum( -1.0, 1.0, -1.0, 1.0, 5.0, 25.0 );
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   glTranslatef( 0.0, 0.0, -15.0 );
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   const GLfloat step = 3.0;
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 'a':
+         Anim = !Anim;
+         if (Anim)
+            glutIdleFunc(Idle);
+         else
+            glutIdleFunc(NULL);
+         break;
+      case 'z':
+         Zrot -= step;
+         break;
+      case 'Z':
+         Zrot += step;
+         break;
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( 400, 400 );
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
+   Window[0] = glutCreateWindow(argv[0]);
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutDisplayFunc( Display0 );
+   glutIdleFunc(Idle);
+   printf("GL_RENDERER[0] = %s\n", (char *) glGetString(GL_RENDERER));
+
+   glutInitWindowPosition( 500, 0 );
+   glutInitWindowSize( 400, 400 );
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
+   Window[1] = glutCreateWindow(argv[0]);
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutDisplayFunc( Display1 );
+   glutIdleFunc(Idle);
+   printf("GL_RENDERER[1] = %s\n", (char *) glGetString(GL_RENDERER));
+
+   glutMainLoop();
+
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/no_s3tc.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/no_s3tc.c
new file mode 100644
index 000000000..d3383ff98
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/no_s3tc.c
@@ -0,0 +1,97 @@
+/*
+ * (C) Copyright IBM Corporation 2004
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * on the rights to use, copy, modify, merge, publish, distribute, sub
+ * license, and/or sell copies of the Software, and to permit persons to whom
+ * the Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.  IN NO EVENT SHALL
+ * VA LINUX SYSTEM, IBM AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/**
+ * \file no_s3tc.c
+ * Test program to verify the behavior of an OpenGL implementation when
+ * an application calls \c glCompressedTexImage2D with an unsupported (but
+ * valid) compression format.  The most common example is calling it with
+ * \c GL_COMPRESSED_RGBA_S3TC_DXT1_EXT when GL_EXT_texture_compression_s3tc
+ * is not supported.
+ * 
+ * This tests Mesa bug #1028405.
+ *
+ * \author Ian Romanick <idr@us.ibm.com>
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <GL/glut.h>
+#include <GL/glext.h>
+
+static unsigned data[16];
+
+int
+main( int argc, char ** argv )
+{
+   float gl_version;
+   GLenum format;
+   GLuint size;
+   GLuint width;
+   GLenum err;
+
+
+   glutInit( & argc, argv );
+   glutInitDisplayMode( GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE );
+
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( 300, 300 );
+   glutCreateWindow( "No S3TC Test" );
+
+   gl_version = strtod( (const char *) glGetString( GL_VERSION ), NULL );
+   if ( ! glutExtensionSupported( "GL_ARB_texture_compression" )
+	&& (gl_version < 1.3) ) {
+      fprintf( stderr, "Either OpenGL 1.3 or GL_ARB_texture_compression "
+	       "must be supported.\n" );
+      return( EXIT_SUCCESS );
+   }
+
+   
+   if ( ! glutExtensionSupported( "GL_EXT_texture_compression_s3tc" ) ) {
+      format = GL_COMPRESSED_RGBA_S3TC_DXT1_EXT;
+      width = 4;
+      size = 8;
+   }
+   else if ( ! glutExtensionSupported( "GL_3DFX_texture_compression_FXT1" ) ) {
+      format = GL_COMPRESSED_RGBA_FXT1_3DFX;
+      width = 8;
+      size = 16;
+   }
+   else {
+      fprintf( stderr, "Either GL_EXT_texture_compression_s3tc or "
+	       "GL_3DFX_texture_compression_FXT1 must NOT be supported.\n" );
+      return( EXIT_SUCCESS );
+   }
+	
+   glCompressedTexImage2D( GL_TEXTURE_2D, 0, format, width, 4, 0,
+			   size, data );
+   err = glGetError();
+   if ( err != GL_INVALID_ENUM ) {
+      fprintf( stderr, "GL error 0x%04x should have been generated, but "
+	       "0x%04x was generated instead.\n", GL_INVALID_ENUM, err );
+   }
+	
+   return (err == GL_INVALID_ENUM) ? EXIT_SUCCESS : EXIT_FAILURE;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/packedpixels.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/packedpixels.c
new file mode 100644
index 000000000..842cf7f34
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/packedpixels.c
@@ -0,0 +1,299 @@
+/*
+ * Test packed pixel formats for textures.
+ * Brian Paul
+ * 12 May 2004
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <string.h>
+#include <GL/glut.h>
+
+
+struct pixel_format {
+   const char *name;
+   GLenum format;
+   GLenum type;
+   GLint bytes;
+   GLuint redTexel, greenTexel;
+};
+
+static const struct pixel_format Formats[] = {
+
+   { "GL_RGBA/GL_UNSIGNED_INT_8_8_8_8",
+     GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, 4, 0xff000000, 0x00ff0000 },
+   { "GL_RGBA/GL_UNSIGNED_INT_8_8_8_8_REV",
+     GL_RGBA, GL_UNSIGNED_INT_8_8_8_8_REV, 4, 0x000000ff, 0x0000ff00 },
+   { "GL_RGBA/GL_UNSIGNED_INT_10_10_10_2",
+     GL_RGBA, GL_UNSIGNED_INT_10_10_10_2, 4, 0xffc00000, 0x3ff000 },
+   { "GL_RGBA/GL_UNSIGNED_INT_2_10_10_10_REV",
+     GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, 4, 0x3ff, 0xffc00 },
+   { "GL_RGBA/GL_UNSIGNED_SHORT_4_4_4_4",
+     GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, 2, 0xf000, 0x0f00 },
+   { "GL_RGBA/GL_UNSIGNED_SHORT_4_4_4_4_REV",
+     GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4_REV, 2, 0x000f, 0x00f0 },
+   { "GL_RGBA/GL_UNSIGNED_SHORT_5_5_5_1",
+     GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1, 2, 0xf800, 0x7c0 },
+   { "GL_RGBA/GL_UNSIGNED_SHORT_1_5_5_5_REV",
+     GL_RGBA, GL_UNSIGNED_SHORT_1_5_5_5_REV, 2, 0x1f, 0x3e0 },
+
+   { "GL_BGRA/GL_UNSIGNED_INT_8_8_8_8",
+     GL_BGRA, GL_UNSIGNED_INT_8_8_8_8, 4, 0x0000ff00, 0x00ff0000 },
+   { "GL_BGRA/GL_UNSIGNED_INT_8_8_8_8_REV",
+     GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, 4, 0x00ff0000, 0x0000ff00 },
+   { "GL_BGRA/GL_UNSIGNED_SHORT_4_4_4_4",
+     GL_BGRA, GL_UNSIGNED_SHORT_4_4_4_4, 2, 0x00f0, 0x0f00 },
+   { "GL_BGRA/GL_UNSIGNED_SHORT_4_4_4_4_REV",
+     GL_BGRA, GL_UNSIGNED_SHORT_4_4_4_4_REV, 2, 0x0f00, 0x00f0 },
+   { "GL_BGRA/GL_UNSIGNED_SHORT_5_5_5_1",
+     GL_BGRA, GL_UNSIGNED_SHORT_5_5_5_1, 2, 0x3e, 0x7c0 },
+   { "GL_BGRA/GL_UNSIGNED_SHORT_1_5_5_5_REV",
+     GL_BGRA, GL_UNSIGNED_SHORT_1_5_5_5_REV, 2, 0x7c00, 0x3e0 },
+
+   { "GL_ABGR_EXT/GL_UNSIGNED_INT_8_8_8_8",
+     GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8, 4, 0x000000ff, 0x0000ff00 },
+   { "GL_ABGR_EXT/GL_UNSIGNED_INT_8_8_8_8_REV",
+     GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8_REV, 4, 0xff000000, 0x00ff0000 },
+   { "GL_ABGR_EXT/GL_UNSIGNED_SHORT_4_4_4_4",
+     GL_ABGR_EXT, GL_UNSIGNED_SHORT_4_4_4_4, 2, 0x000f, 0x00f0 },
+   { "GL_ABGR_EXT/GL_UNSIGNED_SHORT_4_4_4_4_REV",
+     GL_ABGR_EXT, GL_UNSIGNED_SHORT_4_4_4_4_REV, 2, 0xf000, 0x0f00 },
+   { "GL_ABGR_EXT/GL_UNSIGNED_SHORT_5_5_5_1",
+     GL_ABGR_EXT, GL_UNSIGNED_SHORT_5_5_5_1, 2, 0x1, 0x3e },
+   { "GL_ABGR_EXT/GL_UNSIGNED_SHORT_1_5_5_5_REV",
+     GL_ABGR_EXT, GL_UNSIGNED_SHORT_1_5_5_5_REV, 2, 0x8000, 0x7c00 },
+
+   { "GL_RGB/GL_UNSIGNED_SHORT_5_6_5",
+     GL_RGB, GL_UNSIGNED_SHORT_5_6_5, 2, 0xf800, 0x7e0 },
+   { "GL_RGB/GL_UNSIGNED_SHORT_5_6_5_REV",
+     GL_RGB, GL_UNSIGNED_SHORT_5_6_5_REV, 2, 0x1f, 0x7e0 },
+   { "GL_RGB/GL_UNSIGNED_BYTE_3_3_2",
+     GL_RGB, GL_UNSIGNED_BYTE_3_3_2, 1, 0xe0, 0x1c },
+   { "GL_RGB/GL_UNSIGNED_BYTE_2_3_3_REV",
+     GL_RGB, GL_UNSIGNED_BYTE_2_3_3_REV, 1, 0x7, 0x38 },
+
+   { NULL, 0, 0, 0, 0, 0 }
+};
+
+
+struct name_format {
+   const char *name;
+   GLenum format;
+};
+
+static const struct name_format IntFormats[] = {
+   { "GL_RGBA", GL_RGBA },
+   { "GL_RGBA2", GL_RGBA2 },
+   { "GL_RGBA4", GL_RGBA4 },
+   { "GL_RGB5_A1", GL_RGB5_A1 },
+   { "GL_RGBA8", GL_RGBA8 },
+   { "GL_RGBA12", GL_RGBA12 },
+   { "GL_RGBA16", GL_RGBA16 },
+   { "GL_RGB10_A2", GL_RGB10_A2 },
+
+   { "GL_RGB", GL_RGB },
+   { "GL_R3_G3_B2", GL_R3_G3_B2 },
+   { "GL_RGB4", GL_RGB4 },
+   { "GL_RGB5", GL_RGB5 },
+   { "GL_RGB8", GL_RGB8 },
+   { "GL_RGB10", GL_RGB10 },
+   { "GL_RGB12", GL_RGB12 },
+   { "GL_RGB16", GL_RGB16 },
+
+};
+
+#define NUM_INT_FORMATS (sizeof(IntFormats) / sizeof(IntFormats[0]))
+static GLuint CurFormat = 0;
+
+
+static void
+PrintString(const char *s)
+{
+   while (*s) {
+      glutBitmapCharacter(GLUT_BITMAP_8_BY_13, (int) *s);
+      s++;
+   }
+}
+
+
+static void
+MakeTexture(const struct pixel_format *format, GLenum intFormat, GLboolean swap)
+{
+   GLubyte texBuffer[1000];
+   int i;
+
+   glPixelStorei(GL_UNPACK_SWAP_BYTES, swap);
+
+   if (format->bytes == 1) {
+      for (i = 0; i < 8; i++) {
+         texBuffer[i] = format->redTexel;
+      }
+      for (i = 8; i < 16; i++) {
+         texBuffer[i] = format->greenTexel;
+      }
+   }
+   else if (format->bytes == 2) {
+      GLushort *us = (GLushort *) texBuffer;
+      for (i = 0; i < 8; i++) {
+         us[i] = format->redTexel;
+      }
+      for (i = 8; i < 16; i++) {
+         us[i] = format->greenTexel;
+      }
+      if (swap) {
+         for (i = 0; i < 16; i++)
+            us[i] = (us[i] << 8) | (us[i] >> 8);
+      }
+   }
+   else if (format->bytes == 4) {
+      GLuint *ui = (GLuint *) texBuffer;
+      for (i = 0; i < 8; i++) {
+         ui[i] = format->redTexel;
+      }
+      for (i = 8; i < 16; i++) {
+         ui[i] = format->greenTexel;
+      }
+      if (swap) {
+         for (i = 0; i < 16; i++) {
+            GLuint b = ui[i];
+            ui[i] =  (b >> 24)
+                  | ((b >> 8) & 0xff00)
+                  | ((b << 8) & 0xff0000)
+                  | ((b << 24) & 0xff000000);
+         }
+      }
+   }
+   else {
+      abort();
+   }
+   glTexImage2D(GL_TEXTURE_2D, 0, intFormat, 4, 4, 0,
+                format->format, format->type, texBuffer);
+
+   if (glGetError()) {
+      printf("GL Error for %s\n", format->name);
+      memset(texBuffer, 255, 1000);
+      glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 4, 4, 0,
+                   GL_RGB, GL_UNSIGNED_BYTE, texBuffer);
+   }
+}
+
+
+
+static void
+Draw(void)
+{
+   char s[1000];
+   int w = 350, h = 20;
+   int i, swap;
+
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+   for (swap = 0; swap < 2; swap++) {
+     for (i = 0; Formats[i].name; i++) {
+        glPushMatrix();
+        glTranslatef(swap * (w + 2), i * (h + 2), 0);
+
+        MakeTexture(Formats + i, IntFormats[CurFormat].format, swap);
+
+        glEnable(GL_TEXTURE_2D);
+        glBegin(GL_POLYGON);
+        glTexCoord2f(0, 0);  glVertex2f(0, 0);
+        glTexCoord2f(1, 0);  glVertex2f(w, 0);
+        glTexCoord2f(1, 1);  glVertex2f(w, h);
+        glTexCoord2f(0, 1);  glVertex2f(0, h);
+        glEnd();
+
+        glDisable(GL_TEXTURE_2D);
+        glColor3f(0, 0, 0);
+        glRasterPos2i(8, 6);
+        PrintString(Formats[i].name);
+
+        glPopMatrix();
+     }
+   }
+
+   glPushMatrix();
+   glTranslatef(2, i * (h + 2), 0);
+   glColor3f(1, 1, 1);
+   glRasterPos2i(8, 6);
+   PrintString("Normal");
+   glRasterPos2i(w + 2, 6);
+   PrintString("Byte Swapped");
+   glPopMatrix();
+
+   glPushMatrix();
+   glTranslatef(2, (i + 1) * (h + 2), 0);
+   glRasterPos2i(8, 6);
+   sprintf(s, "Internal Texture Format [f/F]: %s (%d of %d)",
+           IntFormats[CurFormat].name, CurFormat + 1, NUM_INT_FORMATS);
+   PrintString(s);
+   glPopMatrix();
+
+   glutSwapBuffers();
+}
+
+
+static void
+Reshape(int width, int height)
+{
+   glViewport(0, 0, width, height);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glOrtho(0, width, 0, height, -1, 1);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+}
+
+
+static void
+Key(unsigned char key, int x, int y)
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 'F':
+         if (CurFormat == 0)
+            CurFormat = NUM_INT_FORMATS - 1;
+         else
+            CurFormat--;
+         break;
+      case 'f':
+         CurFormat++;
+         if (CurFormat == NUM_INT_FORMATS)
+            CurFormat = 0;
+         break;
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void
+Init(void)
+{
+   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
+   printf("GL_VERSION = %s\n", (char *) glGetString(GL_VERSION));
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+   glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+}
+
+
+int
+main(int argc, char *argv[])
+{
+   glutInit(&argc, argv);
+   glutInitWindowPosition(0, 0);
+   glutInitWindowSize(700, 800);
+   glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
+   glutCreateWindow(argv[0]);
+   glutReshapeFunc(Reshape);
+   glutKeyboardFunc(Key);
+   glutDisplayFunc(Draw);
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/pbo.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/pbo.c
new file mode 100644
index 000000000..a74e8e148
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/pbo.c
@@ -0,0 +1,283 @@
+/*
+ * GL_EXT_pixel_buffer_object test
+ * 
+ * Brian Paul
+ * 11 March 2004
+ */
+
+#define GL_GLEXT_PROTOTYPES
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <GL/glut.h>
+
+#include "../util/readtex.c"  /* a hack, I know */
+
+#define IMAGE_FILE "../images/girl.rgb"
+
+static int ImgWidth, ImgHeight;
+static GLenum ImgFormat;
+static GLubyte *Image = NULL;
+
+static int APosX, APosY;  /* simple drawpixels */
+static int BPosX, BPosY;  /* read/draw pixels */
+static int CPosX, CPosY;  /* copypixels */
+
+static GLboolean DrawFront = GL_FALSE;
+static GLboolean ScaleAndBias = GL_FALSE;
+static GLboolean Benchmark = GL_FALSE;
+
+static GLuint DrawPBO, TempPBO;
+
+
+static GLenum ReadFormat = GL_RGBA;
+static GLenum ReadType = GL_UNSIGNED_BYTE;
+
+
+
+
+static void
+Reset( void )
+{
+   APosX = 5;     APosY = 20;
+   BPosX = APosX + ImgWidth + 5;   BPosY = 20;
+   CPosX = BPosX + ImgWidth + 5;   CPosY = 20;
+}
+
+
+static void
+PrintString(const char *s)
+{
+   while (*s) {
+      glutBitmapCharacter(GLUT_BITMAP_8_BY_13, (int) *s);
+      s++;
+   }
+}
+
+
+static void
+SetupPixelTransfer(GLboolean invert)
+{
+   if (invert) {
+      glPixelTransferf(GL_RED_SCALE, -1.0);
+      glPixelTransferf(GL_RED_BIAS, 1.0);
+      glPixelTransferf(GL_GREEN_SCALE, -1.0);
+      glPixelTransferf(GL_GREEN_BIAS, 1.0);
+      glPixelTransferf(GL_BLUE_SCALE, -1.0);
+      glPixelTransferf(GL_BLUE_BIAS, 1.0);
+   }
+   else {
+      glPixelTransferf(GL_RED_SCALE, 1.0);
+      glPixelTransferf(GL_RED_BIAS, 0.0);
+      glPixelTransferf(GL_GREEN_SCALE, 1.0);
+      glPixelTransferf(GL_GREEN_BIAS, 0.0);
+      glPixelTransferf(GL_BLUE_SCALE, 1.0);
+      glPixelTransferf(GL_BLUE_BIAS, 0.0);
+   }
+}
+
+
+static void
+Display( void )
+{
+   glClearColor(.3, .3, .3, 1);
+   glClear( GL_COLOR_BUFFER_BIT );
+
+   /** Unbind UNPACK pixel buffer before calling glBitmap */
+   glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_EXT, 0);
+
+   glRasterPos2i(5, ImgHeight+25);
+   PrintString("f = toggle front/back  s = toggle scale/bias  b = benchmark");
+
+   glRasterPos2i(5, ImgHeight+40);
+   PrintString("GL_EXT_pixel_buffer_object test");
+
+   /* draw original image */
+   glRasterPos2i(APosX, 5);
+   PrintString("Original");
+   glRasterPos2i(APosX, APosY);
+   glEnable(GL_DITHER);
+   SetupPixelTransfer(GL_FALSE);
+   /*** Draw from the DrawPBO */
+   glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_EXT, DrawPBO);
+   glDrawPixels(ImgWidth, ImgHeight, ImgFormat, GL_UNSIGNED_BYTE, 0);
+   glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_EXT, 0);
+
+   /* do readpixels, drawpixels */
+   glRasterPos2i(BPosX, 5);
+   PrintString("Read/DrawPixels");
+   SetupPixelTransfer(ScaleAndBias);
+   /*** read into the Temp PBO */
+   glBindBufferARB(GL_PIXEL_PACK_BUFFER_EXT, TempPBO);
+   if (Benchmark) {
+      GLint reads = 0;
+      GLint endTime;
+      GLint startTime = glutGet(GLUT_ELAPSED_TIME);
+      GLdouble seconds, pixelsPerSecond;
+      printf("Benchmarking...\n");
+      do {
+         glReadPixels(APosX, APosY, ImgWidth, ImgHeight,
+                      ReadFormat, ReadType, 0);
+         reads++;
+         endTime = glutGet(GLUT_ELAPSED_TIME);
+      } while (endTime - startTime < 4000);   /* 4 seconds */
+      seconds = (double) (endTime - startTime) / 1000.0;
+      pixelsPerSecond = reads * ImgWidth * ImgHeight / seconds;
+      printf("Result:  %d reads in %f seconds = %f pixels/sec\n",
+             reads, seconds, pixelsPerSecond);
+      Benchmark = GL_FALSE;
+   }
+   else {
+      glReadPixels(APosX, APosY, ImgWidth, ImgHeight,
+                   ReadFormat, ReadType, 0);
+   }
+   glRasterPos2i(BPosX, BPosY);
+   glDisable(GL_DITHER);
+   SetupPixelTransfer(GL_FALSE);
+   /*** draw from the Temp PBO */
+   glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_EXT, TempPBO);
+   glDrawPixels(ImgWidth, ImgHeight, ReadFormat, ReadType, 0);
+   glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_EXT, 0);
+
+   /* do copypixels */
+   glRasterPos2i(CPosX, 5);
+   PrintString("CopyPixels");
+   glRasterPos2i(CPosX, CPosY);
+   glDisable(GL_DITHER);
+   SetupPixelTransfer(ScaleAndBias);
+   glCopyPixels(APosX, APosY, ImgWidth, ImgHeight, GL_COLOR);
+
+   if (!DrawFront)
+      glutSwapBuffers();
+   else
+      glFinish();
+}
+
+
+static void
+Reshape( int width, int height )
+{
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glOrtho( 0.0, width, 0.0, height, -1.0, 1.0 );
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+}
+
+
+static void
+Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 'b':
+         Benchmark = GL_TRUE;
+         break;
+      case 's':
+         ScaleAndBias = !ScaleAndBias;
+         break;
+      case 'f':
+         DrawFront = !DrawFront;
+         if (DrawFront) {
+            glDrawBuffer(GL_FRONT);
+            glReadBuffer(GL_FRONT);
+         }
+         else {
+            glDrawBuffer(GL_BACK);
+            glReadBuffer(GL_BACK);
+         }
+         printf("glDrawBuffer(%s)\n", DrawFront ? "GL_FRONT" : "GL_BACK");
+         break;
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void
+Init( GLboolean ciMode )
+{
+   printf("GL_VERSION = %s\n", (char *) glGetString(GL_VERSION));
+   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
+
+   if (!glutExtensionSupported("GL_EXT_pixel_buffer_object")) {
+      printf("Sorry, this demo requires GL_EXT_pixel_buffer_object\n");
+      exit(0);
+   }
+
+   Image = LoadRGBImage( IMAGE_FILE, &ImgWidth, &ImgHeight, &ImgFormat );
+   if (!Image) {
+      printf("Couldn't read %s\n", IMAGE_FILE);
+      exit(0);
+   }
+
+   if (ciMode) {
+      /* Convert RGB image to grayscale */
+      GLubyte *indexImage = (GLubyte *) malloc( ImgWidth * ImgHeight );
+      GLint i;
+      for (i=0; i<ImgWidth*ImgHeight; i++) {
+         int gray = Image[i*3] + Image[i*3+1] + Image[i*3+2];
+         indexImage[i] = gray / 3;
+      }
+      free(Image);
+      Image = indexImage;
+      ImgFormat = GL_COLOR_INDEX;
+
+      for (i=0;i<255;i++) {
+         float g = i / 255.0;
+         glutSetColor(i, g, g, g);
+      }
+   }
+
+   printf("Loaded %d by %d image\n", ImgWidth, ImgHeight );
+
+   glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+   glPixelStorei(GL_UNPACK_ROW_LENGTH, ImgWidth);
+   glPixelStorei(GL_PACK_ALIGNMENT, 1);
+   glPixelStorei(GL_PACK_ROW_LENGTH, ImgWidth);
+
+   Reset();
+
+   /* put image into DrawPBO */
+   glGenBuffersARB(1, &DrawPBO);
+   glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_EXT, DrawPBO);
+   glBufferDataARB(GL_PIXEL_UNPACK_BUFFER_EXT,
+                   ImgWidth * ImgHeight * 4, Image, GL_STATIC_DRAW);
+
+   /* Setup TempPBO - used for glReadPixels & glDrawPixels */
+   glGenBuffersARB(1, &TempPBO);
+   glBindBufferARB(GL_PIXEL_PACK_BUFFER_EXT, TempPBO);
+   glBufferDataARB(GL_PIXEL_PACK_BUFFER_EXT,
+                   ImgWidth * ImgHeight * 4, NULL, GL_DYNAMIC_COPY);
+
+}
+
+
+int
+main( int argc, char *argv[] )
+{
+   GLboolean ciMode = GL_FALSE;
+   if (argc > 1 && strcmp(argv[1], "-ci")==0) {
+      ciMode = GL_TRUE;
+   }
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( 750, 250 );
+   if (ciMode)
+      glutInitDisplayMode( GLUT_INDEX | GLUT_DOUBLE );
+   else
+      glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
+   glutCreateWindow(argv[0]);
+   Init(ciMode);
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutDisplayFunc( Display );
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/projtex.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/projtex.c
new file mode 100644
index 000000000..e3ef948ab
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/projtex.c
@@ -0,0 +1,1028 @@
+
+/* projtex.c - by David Yu and David Blythe, SGI */
+
+/**
+ ** Demonstrates simple projective texture mapping.
+ **
+ ** Button1 changes view, Button2 moves texture.
+ **
+ ** (See: Segal, Korobkin, van Widenfelt, Foran, and Haeberli
+ **  "Fast Shadows and Lighting Effects Using Texture Mapping", SIGGRAPH '92)
+ **
+ ** 1994,1995 -- David G Yu
+ **
+ ** cc -o projtex projtex.c texture.c -lglut -lGLU -lGL -lX11 -lm
+ **/
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <GL/glut.h>
+#if 0
+#include "texture.h"
+#else
+#include "../util/readtex.c"
+#endif
+
+
+/* Some <math.h> files do not define M_PI... */
+#ifndef M_PI
+#define M_PI 3.14159265358979323846
+#endif
+
+#define MAX_TEX 4
+int NumTextures = 1;
+
+int winWidth, winHeight;
+
+GLboolean redrawContinuously = GL_FALSE;
+
+float angle, axis[3];
+enum MoveModes {
+  MoveNone, MoveView, MoveObject, MoveTexture
+};
+enum MoveModes mode = MoveNone;
+
+GLfloat objectXform[4][4];
+GLfloat textureXform[MAX_TEX][4][4];
+
+void (*drawObject) (void);
+void (*loadTexture) (void);
+GLboolean textureEnabled = GL_TRUE;
+GLboolean showProjection = GL_TRUE;
+GLboolean linearFilter = GL_TRUE;
+
+char *texFilename[MAX_TEX] = {
+   "../images/girl.rgb",
+   "../images/tile.rgb",
+   "../images/bw.rgb",
+   "../images/reflect.rgb"
+};
+
+
+GLfloat zoomFactor = 1.0;
+
+/*****************************************************************/
+
+
+void ActiveTexture(int i)
+{
+   glActiveTextureARB(i);
+}
+
+
+/* matrix = identity */
+void
+matrixIdentity(GLfloat matrix[16])
+{
+  matrix[0] = 1.0;
+  matrix[1] = 0.0;
+  matrix[2] = 0.0;
+  matrix[3] = 0.0;
+  matrix[4] = 0.0;
+  matrix[5] = 1.0;
+  matrix[6] = 0.0;
+  matrix[7] = 0.0;
+  matrix[8] = 0.0;
+  matrix[9] = 0.0;
+  matrix[10] = 1.0;
+  matrix[11] = 0.0;
+  matrix[12] = 0.0;
+  matrix[13] = 0.0;
+  matrix[14] = 0.0;
+  matrix[15] = 1.0;
+}
+
+/* matrix2 = transpose(matrix1) */
+void
+matrixTranspose(GLfloat matrix2[16], GLfloat matrix1[16])
+{
+  matrix2[0] = matrix1[0];
+  matrix2[1] = matrix1[4];
+  matrix2[2] = matrix1[8];
+  matrix2[3] = matrix1[12];
+
+  matrix2[4] = matrix1[1];
+  matrix2[5] = matrix1[5];
+  matrix2[6] = matrix1[9];
+  matrix2[7] = matrix1[13];
+
+  matrix2[8] = matrix1[2];
+  matrix2[9] = matrix1[6];
+  matrix2[10] = matrix1[10];
+  matrix2[11] = matrix1[14];
+
+  matrix2[12] = matrix1[3];
+  matrix2[13] = matrix1[7];
+  matrix2[14] = matrix1[14];
+  matrix2[15] = matrix1[15];
+}
+
+/*****************************************************************/
+
+/* load SGI .rgb image (pad with a border of the specified width and color) */
+#if 0
+static void
+imgLoad(char *filenameIn, int borderIn, GLfloat borderColorIn[4],
+  int *wOut, int *hOut, GLubyte ** imgOut)
+{
+  int border = borderIn;
+  int width, height;
+  int w, h;
+  GLubyte *image, *img, *p;
+  int i, j, components;
+
+  image = (GLubyte *) read_texture(filenameIn, &width, &height, &components);
+  w = width + 2 * border;
+  h = height + 2 * border;
+  img = (GLubyte *) calloc(w * h, 4 * sizeof(unsigned char));
+
+  p = img;
+  for (j = -border; j < height + border; ++j) {
+    for (i = -border; i < width + border; ++i) {
+      if (0 <= j && j <= height - 1 && 0 <= i && i <= width - 1) {
+        p[0] = image[4 * (j * width + i) + 0];
+        p[1] = image[4 * (j * width + i) + 1];
+        p[2] = image[4 * (j * width + i) + 2];
+        p[3] = 0xff;
+      } else {
+        p[0] = borderColorIn[0] * 0xff;
+        p[1] = borderColorIn[1] * 0xff;
+        p[2] = borderColorIn[2] * 0xff;
+        p[3] = borderColorIn[3] * 0xff;
+      }
+      p += 4;
+    }
+  }
+  free(image);
+  *wOut = w;
+  *hOut = h;
+  *imgOut = img;
+}
+#endif
+
+
+/*****************************************************************/
+
+/* Load the image file specified on the command line as the current texture */
+void
+loadImageTextures(void)
+{
+  GLfloat borderColor[4] =
+  {1.0, 1.0, 1.0, 1.0};
+  int tex;
+
+  for (tex = 0; tex < NumTextures; tex++) {
+     GLubyte *image, *texData3, *texData4;
+     GLint imgWidth, imgHeight;
+     GLenum imgFormat;
+     int i, j;
+
+     printf("loading %s\n", texFilename[tex]);
+     image = LoadRGBImage(texFilename[tex], &imgWidth, &imgHeight, &imgFormat);
+     if (!image) {
+        printf("can't find %s\n", texFilename[tex]);
+        exit(1);
+     }
+     assert(imgFormat == GL_RGB);
+
+     /* scale to 256x256 */
+     texData3 = malloc(256 * 256 * 4);
+     texData4 = malloc(256 * 256 * 4);
+     assert(texData3);
+     assert(texData4);
+     gluScaleImage(imgFormat, imgWidth, imgHeight, GL_UNSIGNED_BYTE, image,
+                   256, 256, GL_UNSIGNED_BYTE, texData3);
+
+     /* convert to rgba */
+     for (i = 0; i < 256 * 256; i++) {
+        texData4[i*4+0] = texData3[i*3+0];
+        texData4[i*4+1] = texData3[i*3+1];
+        texData4[i*4+2] = texData3[i*3+2];
+        texData4[i*4+3] = 128;
+     }
+
+     /* put transparent border around image */
+     for (i = 0; i < 256; i++) {
+        texData4[i*4+0] = 255;
+        texData4[i*4+1] = 255;
+        texData4[i*4+2] = 255;
+        texData4[i*4+3] = 0;
+     }
+     j = 256 * 255 * 4;
+     for (i = 0; i < 256; i++) {
+        texData4[j + i*4+0] = 255;
+        texData4[j + i*4+1] = 255;
+        texData4[j + i*4+2] = 255;
+        texData4[j + i*4+3] = 0;
+     }
+     for (i = 0; i < 256; i++) {
+        j = i * 256 * 4;
+        texData4[j+0] = 255;
+        texData4[j+1] = 255;
+        texData4[j+2] = 255;
+        texData4[j+3] = 0;
+     }
+     for (i = 0; i < 256; i++) {
+        j = i * 256 * 4 + 255 * 4;
+        texData4[j+0] = 255;
+        texData4[j+1] = 255;
+        texData4[j+2] = 255;
+        texData4[j+3] = 0;
+     }
+
+     ActiveTexture(GL_TEXTURE0_ARB + tex);
+     glBindTexture(GL_TEXTURE_2D, tex + 1);
+
+     glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+     glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 256, 256, 0,
+                  GL_RGBA, GL_UNSIGNED_BYTE, texData4);
+
+     if (linearFilter) {
+       glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+       glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+     } else {
+       glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+       glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+     }
+     glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_BORDER_COLOR, borderColor);
+  }
+}
+
+/* Create a simple spotlight pattern and make it the current texture */
+void
+loadSpotlightTexture(void)
+{
+  static int texWidth = 64, texHeight = 64;
+  static GLubyte *texData;
+  GLfloat borderColor[4] =
+  {0.1, 0.1, 0.1, 1.0};
+
+  if (!texData) {
+    GLubyte *p;
+    int i, j;
+
+    texData = (GLubyte *) malloc(texWidth * texHeight * 4 * sizeof(GLubyte));
+
+    p = texData;
+    for (j = 0; j < texHeight; ++j) {
+      float dy = (texHeight * 0.5 - j + 0.5) / (texHeight * 0.5);
+
+      for (i = 0; i < texWidth; ++i) {
+        float dx = (texWidth * 0.5 - i + 0.5) / (texWidth * 0.5);
+        float r = cos(M_PI / 2.0 * sqrt(dx * dx + dy * dy));
+        float c;
+
+        r = (r < 0) ? 0 : r * r;
+        c = 0xff * (r + borderColor[0]);
+        p[0] = (c <= 0xff) ? c : 0xff;
+        c = 0xff * (r + borderColor[1]);
+        p[1] = (c <= 0xff) ? c : 0xff;
+        c = 0xff * (r + borderColor[2]);
+        p[2] = (c <= 0xff) ? c : 0xff;
+        c = 0xff * (r + borderColor[3]);
+        p[3] = (c <= 0xff) ? c : 0xff;
+        p += 4;
+      }
+    }
+  }
+  if (linearFilter) {
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+  } else {
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+  }
+  glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_BORDER_COLOR, borderColor);
+  gluBuild2DMipmaps(GL_TEXTURE_2D, 4, texWidth, texHeight,
+    GL_RGBA, GL_UNSIGNED_BYTE, texData);
+}
+
+/*****************************************************************/
+
+void
+checkErrors(void)
+{
+  GLenum error;
+  while ((error = glGetError()) != GL_NO_ERROR) {
+    fprintf(stderr, "Error: %s\n", (char *) gluErrorString(error));
+  }
+}
+
+void
+drawCube(void)
+{
+  glBegin(GL_QUADS);
+
+  glNormal3f(-1.0, 0.0, 0.0);
+  glColor3f(0.80, 0.50, 0.50);
+  glVertex3f(-0.5, -0.5, -0.5);
+  glVertex3f(-0.5, -0.5, 0.5);
+  glVertex3f(-0.5, 0.5, 0.5);
+  glVertex3f(-0.5, 0.5, -0.5);
+
+  glNormal3f(1.0, 0.0, 0.0);
+  glColor3f(0.50, 0.80, 0.50);
+  glVertex3f(0.5, 0.5, 0.5);
+  glVertex3f(0.5, -0.5, 0.5);
+  glVertex3f(0.5, -0.5, -0.5);
+  glVertex3f(0.5, 0.5, -0.5);
+
+  glNormal3f(0.0, -1.0, 0.0);
+  glColor3f(0.50, 0.50, 0.80);
+  glVertex3f(-0.5, -0.5, -0.5);
+  glVertex3f(0.5, -0.5, -0.5);
+  glVertex3f(0.5, -0.5, 0.5);
+  glVertex3f(-0.5, -0.5, 0.5);
+
+  glNormal3f(0.0, 1.0, 0.0);
+  glColor3f(0.50, 0.80, 0.80);
+  glVertex3f(0.5, 0.5, 0.5);
+  glVertex3f(0.5, 0.5, -0.5);
+  glVertex3f(-0.5, 0.5, -0.5);
+  glVertex3f(-0.5, 0.5, 0.5);
+
+  glNormal3f(0.0, 0.0, -1.0);
+  glColor3f(0.80, 0.50, 0.80);
+  glVertex3f(-0.5, -0.5, -0.5);
+  glVertex3f(-0.5, 0.5, -0.5);
+  glVertex3f(0.5, 0.5, -0.5);
+  glVertex3f(0.5, -0.5, -0.5);
+
+  glNormal3f(0.0, 0.0, 1.0);
+  glColor3f(1.00, 0.80, 0.50);
+  glVertex3f(0.5, 0.5, 0.5);
+  glVertex3f(-0.5, 0.5, 0.5);
+  glVertex3f(-0.5, -0.5, 0.5);
+  glVertex3f(0.5, -0.5, 0.5);
+  glEnd();
+}
+
+void
+drawDodecahedron(void)
+{
+#define A (0.5 * 1.61803)  /* (sqrt(5) + 1) / 2 */
+#define B (0.5 * 0.61803)  /* (sqrt(5) - 1) / 2 */
+#define C (0.5 * 1.0)
+  GLfloat vertexes[20][3] =
+  {
+    {-A, 0.0, B},
+    {-A, 0.0, -B},
+    {A, 0.0, -B},
+    {A, 0.0, B},
+    {B, -A, 0.0},
+    {-B, -A, 0.0},
+    {-B, A, 0.0},
+    {B, A, 0.0},
+    {0.0, B, -A},
+    {0.0, -B, -A},
+    {0.0, -B, A},
+    {0.0, B, A},
+    {-C, -C, C},
+    {-C, -C, -C},
+    {C, -C, -C},
+    {C, -C, C},
+    {-C, C, C},
+    {-C, C, -C},
+    {C, C, -C},
+    {C, C, C},
+  };
+#undef A
+#undef B
+#undef C
+  GLint polygons[12][5] =
+  {
+    {0, 12, 10, 11, 16},
+    {1, 17, 8, 9, 13},
+    {2, 14, 9, 8, 18},
+    {3, 19, 11, 10, 15},
+    {4, 14, 2, 3, 15},
+    {5, 12, 0, 1, 13},
+    {6, 17, 1, 0, 16},
+    {7, 19, 3, 2, 18},
+    {8, 17, 6, 7, 18},
+    {9, 14, 4, 5, 13},
+    {10, 12, 5, 4, 15},
+    {11, 19, 7, 6, 16},
+  };
+  int i;
+
+  glColor3f(0.75, 0.75, 0.75);
+  for (i = 0; i < 12; ++i) {
+    GLfloat *p0, *p1, *p2, d;
+    GLfloat u[3], v[3], n[3];
+
+    p0 = &vertexes[polygons[i][0]][0];
+    p1 = &vertexes[polygons[i][1]][0];
+    p2 = &vertexes[polygons[i][2]][0];
+
+    u[0] = p2[0] - p1[0];
+    u[1] = p2[1] - p1[1];
+    u[2] = p2[2] - p1[2];
+
+    v[0] = p0[0] - p1[0];
+    v[1] = p0[1] - p1[1];
+    v[2] = p0[2] - p1[2];
+
+    n[0] = u[1] * v[2] - u[2] * v[1];
+    n[1] = u[2] * v[0] - u[0] * v[2];
+    n[2] = u[0] * v[1] - u[1] * v[0];
+
+    d = 1.0 / sqrt(n[0] * n[0] + n[1] * n[1] + n[2] * n[2]);
+    n[0] *= d;
+    n[1] *= d;
+    n[2] *= d;
+
+    glBegin(GL_POLYGON);
+    glNormal3fv(n);
+    glVertex3fv(p0);
+    glVertex3fv(p1);
+    glVertex3fv(p2);
+    glVertex3fv(vertexes[polygons[i][3]]);
+    glVertex3fv(vertexes[polygons[i][4]]);
+    glEnd();
+  }
+}
+
+void
+drawSphere(void)
+{
+  int numMajor = 24;
+  int numMinor = 32;
+  float radius = 0.8;
+  double majorStep = (M_PI / numMajor);
+  double minorStep = (2.0 * M_PI / numMinor);
+  int i, j;
+
+  glColor3f(0.50, 0.50, 0.50);
+  for (i = 0; i < numMajor; ++i) {
+    double a = i * majorStep;
+    double b = a + majorStep;
+    double r0 = radius * sin(a);
+    double r1 = radius * sin(b);
+    GLfloat z0 = radius * cos(a);
+    GLfloat z1 = radius * cos(b);
+
+    glBegin(GL_TRIANGLE_STRIP);
+    for (j = 0; j <= numMinor; ++j) {
+      double c = j * minorStep;
+      GLfloat x = cos(c);
+      GLfloat y = sin(c);
+
+      glNormal3f((x * r0) / radius, (y * r0) / radius, z0 / radius);
+      glTexCoord2f(j / (GLfloat) numMinor, i / (GLfloat) numMajor);
+      glVertex3f(x * r0, y * r0, z0);
+
+      glNormal3f((x * r1) / radius, (y * r1) / radius, z1 / radius);
+      glTexCoord2f(j / (GLfloat) numMinor, (i + 1) / (GLfloat) numMajor);
+      glVertex3f(x * r1, y * r1, z1);
+    }
+    glEnd();
+  }
+}
+
+/*****************************************************************/
+
+float xmin = -0.035, xmax = 0.035;
+float ymin = -0.035, ymax = 0.035;
+float nnear = 0.1;
+float ffar = 1.9;
+float distance = -1.0;
+
+static void
+loadTextureProjection(int texUnit, GLfloat m[16])
+{
+  GLfloat mInverse[4][4];
+
+  /* Should use true inverse, but since m consists only of rotations, we can
+     just use the transpose. */
+  matrixTranspose((GLfloat *) mInverse, m);
+
+  ActiveTexture(GL_TEXTURE0_ARB + texUnit);
+  glMatrixMode(GL_TEXTURE);
+  glLoadIdentity();
+  glTranslatef(0.5, 0.5, 0.0);
+  glScalef(0.5, 0.5, 1.0);
+  glFrustum(xmin, xmax, ymin, ymax, nnear, ffar);
+  glTranslatef(0.0, 0.0, distance);
+  glMultMatrixf((GLfloat *) mInverse);
+  glMatrixMode(GL_MODELVIEW);
+}
+
+static void
+drawTextureProjection(void)
+{
+  float t = ffar / nnear;
+  GLfloat n[4][3];
+  GLfloat f[4][3];
+
+  n[0][0] = xmin;
+  n[0][1] = ymin;
+  n[0][2] = -(nnear + distance);
+
+  n[1][0] = xmax;
+  n[1][1] = ymin;
+  n[1][2] = -(nnear + distance);
+
+  n[2][0] = xmax;
+  n[2][1] = ymax;
+  n[2][2] = -(nnear + distance);
+
+  n[3][0] = xmin;
+  n[3][1] = ymax;
+  n[3][2] = -(nnear + distance);
+
+  f[0][0] = xmin * t;
+  f[0][1] = ymin * t;
+  f[0][2] = -(ffar + distance);
+
+  f[1][0] = xmax * t;
+  f[1][1] = ymin * t;
+  f[1][2] = -(ffar + distance);
+
+  f[2][0] = xmax * t;
+  f[2][1] = ymax * t;
+  f[2][2] = -(ffar + distance);
+
+  f[3][0] = xmin * t;
+  f[3][1] = ymax * t;
+  f[3][2] = -(ffar + distance);
+
+  glColor3f(1.0, 1.0, 0.0);
+  glBegin(GL_LINE_LOOP);
+  glVertex3fv(n[0]);
+  glVertex3fv(n[1]);
+  glVertex3fv(n[2]);
+  glVertex3fv(n[3]);
+  glVertex3fv(f[3]);
+  glVertex3fv(f[2]);
+  glVertex3fv(f[1]);
+  glVertex3fv(f[0]);
+  glVertex3fv(n[0]);
+  glVertex3fv(n[1]);
+  glVertex3fv(f[1]);
+  glVertex3fv(f[0]);
+  glVertex3fv(f[3]);
+  glVertex3fv(f[2]);
+  glVertex3fv(n[2]);
+  glVertex3fv(n[3]);
+  glEnd();
+}
+
+/*****************************************************************/
+
+void
+initialize(void)
+{
+  GLfloat light0Pos[4] =
+  {0.3, 0.3, 0.0, 1.0};
+  GLfloat matAmb[4] =
+  {0.01, 0.01, 0.01, 1.00};
+  GLfloat matDiff[4] =
+  {0.65, 0.65, 0.65, 1.00};
+  GLfloat matSpec[4] =
+  {0.30, 0.30, 0.30, 1.00};
+  GLfloat matShine = 10.0;
+  GLfloat eyePlaneS[] =
+  {1.0, 0.0, 0.0, 0.0};
+  GLfloat eyePlaneT[] =
+  {0.0, 1.0, 0.0, 0.0};
+  GLfloat eyePlaneR[] =
+  {0.0, 0.0, 1.0, 0.0};
+  GLfloat eyePlaneQ[] =
+  {0.0, 0.0, 0.0, 1.0};
+  int i;
+
+  /* Setup Misc.  */
+  glClearColor(0.41, 0.41, 0.31, 0.0);
+
+  glEnable(GL_DEPTH_TEST);
+
+  /*  glLineWidth(2.0);*/
+
+  glCullFace(GL_FRONT);
+  glEnable(GL_CULL_FACE);
+
+  glMatrixMode(GL_PROJECTION);
+  glFrustum(-0.5, 0.5, -0.5, 0.5, 1, 3);
+  glMatrixMode(GL_MODELVIEW);
+  glTranslatef(0, 0, -2);
+
+  matrixIdentity((GLfloat *) objectXform);
+  for (i = 0; i < NumTextures; i++) {
+     matrixIdentity((GLfloat *) textureXform[i]);
+  }
+
+  glMatrixMode(GL_PROJECTION);
+  glPushMatrix();
+  glLoadIdentity();
+  glOrtho(0, 1, 0, 1, -1, 1);
+  glMatrixMode(GL_MODELVIEW);
+  glPushMatrix();
+  glLoadIdentity();
+
+  glRasterPos2i(0, 0);
+
+  glPopMatrix();
+  glMatrixMode(GL_PROJECTION);
+  glPopMatrix();
+  glMatrixMode(GL_MODELVIEW);
+
+  /* Setup Lighting */
+  glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, matAmb);
+  glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, matDiff);
+  glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, matSpec);
+  glMaterialf(GL_FRONT_AND_BACK, GL_SHININESS, matShine);
+
+  glEnable(GL_COLOR_MATERIAL);
+
+  glLightfv(GL_LIGHT0, GL_POSITION, light0Pos);
+  glEnable(GL_LIGHT0);
+
+  glLightModeli(GL_LIGHT_MODEL_TWO_SIDE, GL_TRUE);
+  glEnable(GL_LIGHTING);
+
+  /* Setup Texture */
+
+  (*loadTexture) ();
+
+
+  for (i = 0; i < NumTextures; i++) {
+     ActiveTexture(GL_TEXTURE0_ARB + i);
+
+     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
+     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
+     glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+
+     glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_EYE_LINEAR);
+     glTexGenfv(GL_S, GL_EYE_PLANE, eyePlaneS);
+
+     glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_EYE_LINEAR);
+     glTexGenfv(GL_T, GL_EYE_PLANE, eyePlaneT);
+
+     glTexGeni(GL_R, GL_TEXTURE_GEN_MODE, GL_EYE_LINEAR);
+     glTexGenfv(GL_R, GL_EYE_PLANE, eyePlaneR);
+
+     glTexGeni(GL_Q, GL_TEXTURE_GEN_MODE, GL_EYE_LINEAR);
+     glTexGenfv(GL_Q, GL_EYE_PLANE, eyePlaneQ);
+  }
+}
+
+void
+display(void)
+{
+  int i;
+
+  glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+  if (textureEnabled) {
+    if (mode == MoveTexture || mode == MoveView) {
+      /* Have OpenGL compute the new transformation (simple but slow). */
+      for (i = 0; i < NumTextures; i++) {
+        glPushMatrix();
+        glLoadIdentity();
+#if 0
+        if (i & 1)
+           glRotatef(angle, axis[0], axis[1], axis[2]);
+        else
+#endif
+           glRotatef(angle*(i+1), axis[0], axis[1], axis[2]);
+
+        glMultMatrixf((GLfloat *) textureXform[i]);
+        glGetFloatv(GL_MODELVIEW_MATRIX, (GLfloat *) textureXform[i]);
+        glPopMatrix();
+      }
+    }
+    for (i = 0; i < NumTextures; i++) {
+       loadTextureProjection(i, (GLfloat *) textureXform[i]);
+    }
+
+    if (showProjection) {
+      for (i = 0; i < NumTextures; i++) {
+        ActiveTexture(GL_TEXTURE0_ARB + i);
+        glPushMatrix();
+        glMultMatrixf((GLfloat *) textureXform[i]);
+        glDisable(GL_LIGHTING);
+        drawTextureProjection();
+        glEnable(GL_LIGHTING);
+        glPopMatrix();
+      }
+    }
+    for (i = 0; i < NumTextures; i++) {
+      ActiveTexture(GL_TEXTURE0_ARB + i);
+      glEnable(GL_TEXTURE_2D);
+      glEnable(GL_TEXTURE_GEN_S);
+      glEnable(GL_TEXTURE_GEN_T);
+      glEnable(GL_TEXTURE_GEN_R);
+      glEnable(GL_TEXTURE_GEN_Q);
+    }
+  }
+  if (mode == MoveObject || mode == MoveView) {
+    /* Have OpenGL compute the new transformation (simple but slow). */
+    glPushMatrix();
+    glLoadIdentity();
+    glRotatef(angle, axis[0], axis[1], axis[2]);
+    glMultMatrixf((GLfloat *) objectXform);
+    glGetFloatv(GL_MODELVIEW_MATRIX, (GLfloat *) objectXform);
+    glPopMatrix();
+  }
+  glPushMatrix();
+  glMultMatrixf((GLfloat *) objectXform);
+  (*drawObject) ();
+  glPopMatrix();
+
+  for (i = 0; i < NumTextures; i++) {
+    ActiveTexture(GL_TEXTURE0_ARB + i);
+    glDisable(GL_TEXTURE_2D);
+    glDisable(GL_TEXTURE_GEN_S);
+    glDisable(GL_TEXTURE_GEN_T);
+    glDisable(GL_TEXTURE_GEN_R);
+    glDisable(GL_TEXTURE_GEN_Q);
+  }
+
+  if (zoomFactor > 1.0) {
+    glDisable(GL_DEPTH_TEST);
+    glCopyPixels(0, 0, winWidth / zoomFactor, winHeight / zoomFactor, GL_COLOR);
+    glEnable(GL_DEPTH_TEST);
+  }
+  glFlush();
+  glutSwapBuffers();
+  checkErrors();
+}
+
+/*****************************************************************/
+
+/* simple trackball-like motion control */
+float lastPos[3];
+int lastTime;
+
+void
+ptov(int x, int y, int width, int height, float v[3])
+{
+  float d, a;
+
+  /* project x,y onto a hemi-sphere centered within width, height */
+  v[0] = (2.0 * x - width) / width;
+  v[1] = (height - 2.0 * y) / height;
+  d = sqrt(v[0] * v[0] + v[1] * v[1]);
+  v[2] = cos((M_PI / 2.0) * ((d < 1.0) ? d : 1.0));
+  a = 1.0 / sqrt(v[0] * v[0] + v[1] * v[1] + v[2] * v[2]);
+  v[0] *= a;
+  v[1] *= a;
+  v[2] *= a;
+}
+
+void
+startMotion(int x, int y, int but, int time)
+{
+  if (but == GLUT_LEFT_BUTTON) {
+    mode = MoveView;
+  } else if (but == GLUT_MIDDLE_BUTTON) {
+    mode = MoveTexture;
+  } else {
+    return;
+  }
+
+  lastTime = time;
+  ptov(x, y, winWidth, winHeight, lastPos);
+}
+
+void
+animate(void)
+{
+  glutPostRedisplay();
+}
+
+void
+vis(int visible)
+{
+  if (visible == GLUT_VISIBLE) {
+    if (redrawContinuously)
+      glutIdleFunc(animate);
+  } else {
+    if (redrawContinuously)
+      glutIdleFunc(NULL);
+  }
+}
+
+void
+stopMotion(int but, int time)
+{
+  if ((but == GLUT_LEFT_BUTTON && mode == MoveView) ||
+    (but == GLUT_MIDDLE_BUTTON && mode == MoveTexture)) {
+  } else {
+    return;
+  }
+
+  if (time == lastTime) {
+     /*    redrawContinuously = GL_TRUE;*/
+    glutIdleFunc(animate);
+  } else {
+    angle = 0.0;
+    redrawContinuously = GL_FALSE;
+    glutIdleFunc(0);
+  }
+  if (!redrawContinuously) {
+    mode = MoveNone;
+  }
+}
+
+void
+trackMotion(int x, int y)
+{
+  float curPos[3], dx, dy, dz;
+
+  ptov(x, y, winWidth, winHeight, curPos);
+
+  dx = curPos[0] - lastPos[0];
+  dy = curPos[1] - lastPos[1];
+  dz = curPos[2] - lastPos[2];
+  angle = 90.0 * sqrt(dx * dx + dy * dy + dz * dz);
+
+  axis[0] = lastPos[1] * curPos[2] - lastPos[2] * curPos[1];
+  axis[1] = lastPos[2] * curPos[0] - lastPos[0] * curPos[2];
+  axis[2] = lastPos[0] * curPos[1] - lastPos[1] * curPos[0];
+
+  lastTime = glutGet(GLUT_ELAPSED_TIME);
+  lastPos[0] = curPos[0];
+  lastPos[1] = curPos[1];
+  lastPos[2] = curPos[2];
+  glutPostRedisplay();
+}
+
+/*****************************************************************/
+
+void
+object(void)
+{
+  static int object;
+
+  object++;
+  object %= 3;
+  switch (object) {
+  case 0:
+    drawObject = drawCube;
+    break;
+  case 1:
+    drawObject = drawDodecahedron;
+    break;
+  case 2:
+    drawObject = drawSphere;
+    break;
+  default:
+    break;
+  }
+}
+
+static void
+nop(void)
+{
+}
+
+void
+texture(void)
+{
+  static int texture = 0;
+
+  texture++;
+  texture %= 3;
+  if (texture == 1 && texFilename == NULL) {
+    /* Skip file texture if not loaded. */
+    texture++;
+  }
+  switch (texture) {
+  case 0:
+    loadTexture = nop;
+    textureEnabled = GL_FALSE;
+    break;
+  case 1:
+    loadTexture = loadImageTextures;
+    (*loadTexture) ();
+    textureEnabled = GL_TRUE;
+    break;
+  case 2:
+    loadTexture = loadSpotlightTexture;
+    (*loadTexture) ();
+    textureEnabled = GL_TRUE;
+    break;
+  default:
+    break;
+  }
+}
+
+void
+help(void)
+{
+  printf("'h'   - help\n");
+  printf("'l'   - toggle linear/nearest filter\n");
+  printf("'s'   - toggle projection frustum\n");
+  printf("'t'   - toggle projected texture\n");
+  printf("'o'   - toggle object\n");
+  printf("'z'   - increase zoom factor\n");
+  printf("'Z'   - decrease zoom factor\n");
+  printf("left mouse     - move view\n");
+  printf("middle mouse   - move projection\n");
+}
+
+/* ARGSUSED1 */
+void
+key(unsigned char key, int x, int y)
+{
+  switch (key) {
+  case '\033':
+    exit(0);
+    break;
+  case 'l':
+    linearFilter = !linearFilter;
+    (*loadTexture) ();
+    break;
+  case 's':
+    showProjection = !showProjection;
+    break;
+  case 't':
+    texture();
+    break;
+  case 'o':
+    object();
+    break;
+  case 'z':
+    zoomFactor += 1.0;
+    glPixelZoom(zoomFactor, zoomFactor);
+    glViewport(0, 0, winWidth / zoomFactor, winHeight / zoomFactor);
+    break;
+  case 'Z':
+    zoomFactor -= 1.0;
+    if (zoomFactor < 1.0)
+      zoomFactor = 1.0;
+    glPixelZoom(zoomFactor, zoomFactor);
+    glViewport(0, 0, winWidth / zoomFactor, winHeight / zoomFactor);
+    break;
+  case 'h':
+    help();
+    break;
+  }
+  glutPostRedisplay();
+}
+
+void
+mouse(int button, int state, int x, int y)
+{
+  if (state == GLUT_DOWN)
+    startMotion(x, y, button, glutGet(GLUT_ELAPSED_TIME));
+  else if (state == GLUT_UP)
+    stopMotion(button, glutGet(GLUT_ELAPSED_TIME));
+  glutPostRedisplay();
+}
+
+void
+reshape(int w, int h)
+{
+  winWidth = w;
+  winHeight = h;
+  glViewport(0, 0, w / zoomFactor, h / zoomFactor);
+}
+
+
+void
+menu(int selection)
+{
+  if (selection == 666) {
+    exit(0);
+  }
+  key((unsigned char) selection, 0, 0);
+}
+
+int
+main(int argc, char **argv)
+{
+  glutInit(&argc, argv);
+
+  if (argc > 1) {
+     NumTextures = atoi(argv[1]);
+  }
+  assert(NumTextures <= MAX_TEX);
+
+  glutInitDisplayMode(GLUT_RGBA | GLUT_DEPTH | GLUT_DOUBLE);
+  (void) glutCreateWindow("projtex");
+
+  loadTexture = loadImageTextures;
+  drawObject = drawCube;
+  initialize();
+  glutDisplayFunc(display);
+  glutKeyboardFunc(key);
+  glutReshapeFunc(reshape);
+  glutMouseFunc(mouse);
+  glutMotionFunc(trackMotion);
+  glutVisibilityFunc(vis);
+  glutCreateMenu(menu);
+  glutAddMenuEntry("Toggle showing projection", 's');
+  glutAddMenuEntry("Switch texture", 't');
+  glutAddMenuEntry("Switch object", 'o');
+  glutAddMenuEntry("Toggle filtering", 'l');
+  glutAddMenuEntry("Quit", 666);
+  glutAttachMenu(GLUT_RIGHT_BUTTON);
+  texture();
+  glutMainLoop();
+  return 0;             /* ANSI C requires main to return int. */
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/seccolor.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/seccolor.c
new file mode 100644
index 000000000..77fd40647
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/seccolor.c
@@ -0,0 +1,145 @@
+/*
+ * Exercise GL_EXT_secondary_color
+ */
+
+
+#define GL_GLEXT_PROTOTYPES
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <GL/glut.h>
+
+static int Width = 600;
+static int Height = 200;
+static GLfloat Near = 5.0, Far = 25.0;
+
+
+static void Display( void )
+{
+   GLfloat t;
+
+   glClearColor(0.2, 0.2, 0.8, 0);
+   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+   for (t = 0.0; t <= 1.0; t += 0.25) {
+      GLfloat x =  t * 10.0 - 5.0;
+      GLfloat g = t;
+
+      /* top row: untextured */
+      glColor3f(1, 0, 0);
+      glPushMatrix();
+         glTranslatef(x, 1.2, 0);
+#if defined(GL_EXT_secondary_color)
+         glSecondaryColor3fEXT(0, g, 0);
+#endif
+         glBegin(GL_POLYGON);
+         glVertex2f(-1, -1);
+         glVertex2f( 1, -1);
+         glVertex2f( 1,  1);
+         glVertex2f(-1,  1);
+         glEnd();
+      glPopMatrix();
+
+      /* bottom row: textured */
+      glColor3f(1, 1, 1);
+      glEnable(GL_TEXTURE_2D);
+      glPushMatrix();
+         glTranslatef(x, -1.2, 0);
+#if defined(GL_EXT_secondary_color)
+         glSecondaryColor3fEXT(0, g, 0);
+#endif
+         glBegin(GL_POLYGON);
+         glTexCoord2f(0, 0);  glVertex2f(-1, -1);
+         glTexCoord2f(1, 0);  glVertex2f( 1, -1);
+         glTexCoord2f(1, 1);  glVertex2f( 1,  1);
+         glTexCoord2f(0, 1);  glVertex2f(-1,  1);
+         glEnd();
+      glPopMatrix();
+      glDisable(GL_TEXTURE_2D);
+   }
+   glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+   GLfloat ar = (float) width / (float) height;
+   Width = width;
+   Height = height;
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glFrustum( -ar, ar, -1.0, 1.0, Near, Far );
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   glTranslatef( 0.0, 0.0, -15.0 );
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void Init( void )
+{
+   GLubyte image[4*4][3];
+   GLint i;
+   if (!glutExtensionSupported("GL_EXT_secondary_color")) {
+      printf("Sorry, this program requires GL_EXT_secondary_color\n");
+      exit(1);
+   }
+
+   /* setup red texture with one back texel */
+   for (i = 0; i < 4*4; i++) {
+      if (i == 0) {
+         image[i][0] = 0;
+         image[i][1] = 0;
+         image[i][2] = 0;
+      }
+      else {
+         image[i][0] = 255;
+         image[i][1] = 0;
+         image[i][2] = 0;
+      }
+   }
+   glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 4, 4, 0,
+                GL_RGB, GL_UNSIGNED_BYTE, image);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+   glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+
+#if defined(GL_EXT_secondary_color)
+   glEnable(GL_COLOR_SUM_EXT);
+#endif
+   glLightModeli(GL_LIGHT_MODEL_COLOR_CONTROL, GL_SEPARATE_SPECULAR_COLOR);
+
+   printf("Squares should be colored from red -> orange -> yellow.\n");
+   printf("Top row is untextured.\n");
+   printf("Bottom row is textured (red texture with one black texel).\n");
+   printf("Rows should be identical, except for lower-left texel.\n");
+}
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( Width, Height );
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
+   glutCreateWindow(argv[0]);
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutDisplayFunc( Display );
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/sharedtex.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/sharedtex.c
new file mode 100644
index 000000000..ebe73f19f
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/sharedtex.c
@@ -0,0 +1,438 @@
+/* $Id: sharedtex.c,v 1.2 2002/01/16 14:32:46 joukj Exp $ */
+
+/*
+ * Test sharing of display lists and texture objects between GLX contests.
+ * Brian Paul
+ * Summer 2000
+ *
+ *
+ * Copyright (C) 2000  Brian Paul   All Rights Reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+#include <GL/gl.h>
+#include <GL/glx.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+
+
+struct window {
+   char DisplayName[1000];
+   Display *Dpy;
+   Window Win;
+   GLXContext Context;
+   float Angle;
+   int Id;
+};
+
+
+#define MAX_WINDOWS 20
+static struct window Windows[MAX_WINDOWS];
+static int NumWindows = 0;
+
+
+static GLuint Textures[3];
+static GLuint CubeList;
+
+
+
+static void
+Error(const char *display, const char *msg)
+{
+   fprintf(stderr, "Error on display %s - %s\n", display, msg);
+   exit(1);
+}
+
+
+static struct window *
+AddWindow(const char *displayName, int xpos, int ypos,
+          const struct window *shareWindow)
+{
+   Display *dpy;
+   Window win;
+   GLXContext ctx;
+   int attrib[] = { GLX_RGBA,
+		    GLX_RED_SIZE, 1,
+		    GLX_GREEN_SIZE, 1,
+		    GLX_BLUE_SIZE, 1,
+		    GLX_DOUBLEBUFFER,
+                    GLX_DEPTH_SIZE, 1,
+		    None };
+   int scrnum;
+   XSetWindowAttributes attr;
+   unsigned long mask;
+   Window root;
+   XVisualInfo *visinfo;
+   int width = 300, height = 300;
+
+   if (NumWindows >= MAX_WINDOWS)
+      return NULL;
+
+   dpy = XOpenDisplay(displayName);
+   if (!dpy) {
+      Error(displayName, "Unable to open display");
+      return NULL;
+   }
+
+   scrnum = DefaultScreen(dpy);
+   root = RootWindow(dpy, scrnum);
+
+   visinfo = glXChooseVisual(dpy, scrnum, attrib);
+   if (!visinfo) {
+      Error(displayName, "Unable to find RGB, double-buffered visual");
+      return NULL;
+   }
+
+   /* window attributes */
+   attr.background_pixel = 0;
+   attr.border_pixel = 0;
+   attr.colormap = XCreateColormap(dpy, root, visinfo->visual, AllocNone);
+   attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask;
+   mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
+
+   win = XCreateWindow(dpy, root, xpos, ypos, width, height,
+		        0, visinfo->depth, InputOutput,
+		        visinfo->visual, mask, &attr);
+   if (!win) {
+      Error(displayName, "Couldn't create window");
+      return NULL;
+   }
+
+   {
+      XSizeHints sizehints;
+      sizehints.x = xpos;
+      sizehints.y = ypos;
+      sizehints.width  = width;
+      sizehints.height = height;
+      sizehints.flags = USSize | USPosition;
+      XSetNormalHints(dpy, win, &sizehints);
+      XSetStandardProperties(dpy, win, displayName, displayName,
+                              None, (char **)NULL, 0, &sizehints);
+   }
+
+
+   ctx = glXCreateContext(dpy, visinfo,
+                          shareWindow ? shareWindow->Context : NULL,
+                          True);
+   if (!ctx) {
+      Error(displayName, "Couldn't create GLX context");
+      return NULL;
+   }
+
+   XMapWindow(dpy, win);
+
+   if (!glXMakeCurrent(dpy, win, ctx)) {
+      Error(displayName, "glXMakeCurrent failed");
+      printf("glXMakeCurrent failed in Redraw()\n");
+      return NULL;
+   }
+
+   /* save the info for this window */
+   {
+      static int id = 0;
+      struct window *h = &Windows[NumWindows];
+      strcpy(h->DisplayName, displayName);
+      h->Dpy = dpy;
+      h->Win = win;
+      h->Context = ctx;
+      h->Angle = 0.0;
+      h->Id = id++;
+      NumWindows++;
+      return &Windows[NumWindows-1];
+   }
+
+}
+
+
+static void
+InitGLstuff(struct window *h)
+{
+   if (!glXMakeCurrent(h->Dpy, h->Win, h->Context)) {
+      Error(h->DisplayName, "glXMakeCurrent failed in InitGLstuff");
+      return;
+   }
+
+   glGenTextures(3, Textures);
+
+   /* setup first texture object */
+   {
+      GLubyte image[16][16][4];
+      GLint i, j;
+      glBindTexture(GL_TEXTURE_2D, Textures[0]);
+
+      /* red/white checkerboard */
+      for (i = 0; i < 16; i++) {
+         for (j = 0; j < 16; j++) {
+            if ((i ^ j) & 1) {
+               image[i][j][0] = 255;
+               image[i][j][1] = 255;
+               image[i][j][2] = 255;
+               image[i][j][3] = 255;
+            }
+            else {
+               image[i][j][0] = 255;
+               image[i][j][1] = 0;
+               image[i][j][2] = 0;
+               image[i][j][3] = 255;
+            }
+         }
+      }
+
+      glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+      glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 16, 16, 0, GL_RGBA,
+                   GL_UNSIGNED_BYTE, image);
+      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+   }
+
+   /* setup second texture object */
+   {
+      GLubyte image[8][8][3];
+      GLint i, j;
+      glBindTexture(GL_TEXTURE_2D, Textures[1]);
+
+      /* green/yellow checkerboard */
+      for (i = 0; i < 8; i++) {
+         for (j = 0; j < 8; j++) {
+            if ((i ^ j) & 1) {
+               image[i][j][0] = 0;
+               image[i][j][1] = 255;
+               image[i][j][2] = 0;
+            }
+            else {
+               image[i][j][0] = 255;
+               image[i][j][1] = 255;
+               image[i][j][2] = 0;
+            }
+         }
+      }
+
+      glPixelStorei(GL_UNPACK_ALIGNMENT, 2);
+      glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 8, 8, 0, GL_RGB,
+                   GL_UNSIGNED_BYTE, image);
+      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+   }
+
+   /* setup second texture object */
+   {
+      GLubyte image[4][4][3];
+      GLint i, j;
+      glBindTexture(GL_TEXTURE_2D, Textures[2]);
+
+      /* blue/gray checkerboard */
+      for (i = 0; i < 4; i++) {
+         for (j = 0; j < 4; j++) {
+            if ((i ^ j) & 1) {
+               image[i][j][0] = 0;
+               image[i][j][1] = 0;
+               image[i][j][2] = 255;
+            }
+            else {
+               image[i][j][0] = 200;
+               image[i][j][1] = 200;
+               image[i][j][2] = 200;
+            }
+         }
+      }
+
+      glPixelStorei(GL_UNPACK_ALIGNMENT, 2);
+      glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 4, 4, 0, GL_RGB,
+                   GL_UNSIGNED_BYTE, image);
+      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+   }
+
+   /* Now make the cube object display list */
+   CubeList = glGenLists(1);
+   glNewList(CubeList, GL_COMPILE);
+   {
+      glBindTexture(GL_TEXTURE_2D, Textures[0]);
+      glBegin(GL_POLYGON);
+      glTexCoord2f(0, 0);  glVertex3f(-1, -1, -1);
+      glTexCoord2f(1, 0);  glVertex3f(-1,  1, -1);
+      glTexCoord2f(1, 1);  glVertex3f(-1,  1,  1);
+      glTexCoord2f(0, 1);  glVertex3f(-1, -1,  1);
+      glEnd();
+      glBegin(GL_POLYGON);
+      glTexCoord2f(0, 0);  glVertex3f(1, -1, -1);
+      glTexCoord2f(1, 0);  glVertex3f(1,  1, -1);
+      glTexCoord2f(1, 1);  glVertex3f(1,  1,  1);
+      glTexCoord2f(0, 1);  glVertex3f(1, -1,  1);
+      glEnd();
+
+      glBindTexture(GL_TEXTURE_2D, Textures[1]);
+      glBegin(GL_POLYGON);
+      glTexCoord2f(0, 0);  glVertex3f(-1, -1, -1);
+      glTexCoord2f(1, 0);  glVertex3f( 1, -1, -1);
+      glTexCoord2f(1, 1);  glVertex3f( 1, -1,  1);
+      glTexCoord2f(0, 1);  glVertex3f(-1, -1,  1);
+      glEnd();
+      glBegin(GL_POLYGON);
+      glTexCoord2f(0, 0);  glVertex3f(-1, 1, -1);
+      glTexCoord2f(1, 0);  glVertex3f( 1, 1, -1);
+      glTexCoord2f(1, 1);  glVertex3f( 1, 1,  1);
+      glTexCoord2f(0, 1);  glVertex3f(-1, 1,  1);
+      glEnd();
+
+      glBindTexture(GL_TEXTURE_2D, Textures[2]);
+      glBegin(GL_POLYGON);
+      glTexCoord2f(0, 0);  glVertex3f(-1, -1, -1);
+      glTexCoord2f(1, 0);  glVertex3f( 1, -1, -1);
+      glTexCoord2f(1, 1);  glVertex3f( 1,  1, -1);
+      glTexCoord2f(0, 1);  glVertex3f(-1,  1, -1);
+      glEnd();
+      glBegin(GL_POLYGON);
+      glTexCoord2f(0, 0);  glVertex3f(-1, -1, 1);
+      glTexCoord2f(1, 0);  glVertex3f( 1, -1, 1);
+      glTexCoord2f(1, 1);  glVertex3f( 1,  1, 1);
+      glTexCoord2f(0, 1);  glVertex3f(-1,  1, 1);
+      glEnd();
+   }
+   glEndList();
+
+   printf("GL_RENDERER: %s\n", (char *) glGetString(GL_RENDERER));
+   printf("GL_VERSION: %s\n", (char *) glGetString(GL_VERSION));
+   printf("GL_VENDOR: %s\n", (char *) glGetString(GL_VENDOR));
+}
+
+
+
+static void
+Redraw(struct window *h)
+{
+   if (!glXMakeCurrent(h->Dpy, h->Win, h->Context)) {
+      Error(h->DisplayName, "glXMakeCurrent failed");
+      printf("glXMakeCurrent failed in Redraw()\n");
+      return;
+   }
+
+   h->Angle += 1.0;
+
+   glShadeModel(GL_FLAT);
+   glClearColor(0.25, 0.25, 0.25, 1.0);
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+   glEnable(GL_TEXTURE_2D);
+   glEnable(GL_DEPTH_TEST);
+   glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+
+   glColor3f(1, 1, 1);
+
+   glPushMatrix();
+      if (h->Id == 0)
+         glRotatef(h->Angle, 0, 1, -1);
+      else if (h->Id == 1)
+         glRotatef(-(h->Angle), 0, 1, -1);
+      else if (h->Id == 2)
+         glRotatef(h->Angle, 0, 1, 1);
+      else if (h->Id == 3)
+         glRotatef(-(h->Angle), 0, 1, 1);
+      glCallList(CubeList);
+   glPopMatrix();
+
+   glXSwapBuffers(h->Dpy, h->Win);
+}
+
+
+
+static void
+Resize(const struct window *h, unsigned int width, unsigned int height)
+{
+   if (!glXMakeCurrent(h->Dpy, h->Win, h->Context)) {
+      Error(h->DisplayName, "glXMakeCurrent failed in Resize()");
+      return;
+   }
+   glViewport(0, 0, width, height);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glFrustum(-1, 1, -1, 1, 2, 10);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glTranslatef(0, 0, -3.5);
+}
+
+
+
+static void
+EventLoop(void)
+{
+   while (1) {
+      int i;
+      for (i = 0; i < NumWindows; i++) {
+         struct window *h = &Windows[i];
+         while (XPending(h->Dpy) > 0) {
+            XEvent event;
+            XNextEvent(h->Dpy, &event);
+            if (event.xany.window == h->Win) {
+               switch (event.type) {
+                  case Expose:
+                     Redraw(h);
+                     break;
+                  case ConfigureNotify:
+                     Resize(h, event.xconfigure.width, event.xconfigure.height);
+                     break;
+                  case KeyPress:
+                     return;
+                  default:
+                     /*no-op*/ ;
+               }
+            }
+            else {
+               printf("window mismatch\n");
+            }
+         }
+         Redraw(h);
+      }
+      usleep(1);
+   }
+}
+
+
+
+static void
+PrintInfo(const struct window *h)
+{
+   printf("Name: %s\n", h->DisplayName);
+   printf("  Display:     0x%x\n", h->Dpy);
+   printf("  Window:      0x%x\n", h->Win);
+   printf("  Context:     0x%x\n", h->Context);
+}
+
+
+int
+main(int argc, char *argv[])
+{
+   int i;
+   struct window *h0, *h1, *h2, *h3;
+
+   /* four windows and contexts sharing display lists and texture objects */
+   h0 = AddWindow(":0",  10,  10, NULL);
+   h1 = AddWindow(":0", 330,  10, h0);
+   h2 = AddWindow(":0",  10, 350, h0);
+   h3 = AddWindow(":0", 330, 350, h0);
+
+   InitGLstuff(h0);
+
+   EventLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/stencil_wrap.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/stencil_wrap.c
new file mode 100644
index 000000000..88cf3809c
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/stencil_wrap.c
@@ -0,0 +1,257 @@
+/*
+ * (C) Copyright IBM Corporation 2004
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * on the rights to use, copy, modify, merge, publish, distribute, sub
+ * license, and/or sell copies of the Software, and to permit persons to whom
+ * the Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.  IN NO EVENT SHALL
+ * VA LINUX SYSTEM, IBM AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/**
+ * \file stencil_wrap.c
+ * 
+ * Simple test of GL_EXT_stencil_wrap functionality.  Four squares are drawn
+ * with different stencil modes, but all should be rendered with the same
+ * final color.
+ *
+ * \author Ian Romanick <idr@us.ibm.com>
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+static int Width = 550;
+static int Height = 200;
+static const GLfloat Near = 5.0, Far = 25.0;
+
+
+static void Display( void )
+{
+   GLint  max_stencil;
+   GLint  stencil_bits;
+   unsigned i;
+
+
+   glGetIntegerv( GL_STENCIL_BITS, & stencil_bits );
+   max_stencil = (1U << stencil_bits) - 1;
+   printf( "Stencil bits = %u, maximum stencil value = 0x%08x\n",
+	   stencil_bits, max_stencil );
+
+   glClearStencil( 0 );
+   glClearColor( 0.2, 0.2, 0.8, 0 );
+   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT 
+	    | GL_STENCIL_BUFFER_BIT );
+
+
+   glPushMatrix();
+
+   /* This is the "reference" square.
+    */
+
+   glDisable(GL_STENCIL_TEST);
+   glTranslatef(-6.0, 0, 0);
+   glBegin(GL_QUADS);
+   glColor3f( 0.5, 0.5, 0.5 );
+   glVertex2f(-1, -1);
+   glVertex2f( 1, -1);
+   glVertex2f( 1,  1);
+   glVertex2f(-1,  1);
+   glEnd();
+
+
+   glEnable(GL_STENCIL_TEST);
+
+   /* Draw the first two squares using the two non-wrap (i.e., saturate)
+    * modes.
+    */
+
+   glStencilFunc(GL_ALWAYS, 0, ~0);
+   glStencilOp(GL_KEEP, GL_KEEP, GL_INCR);
+
+   glTranslatef(3.0, 0, 0);
+   glBegin(GL_QUADS);
+   glColor3f( 0.9, 0.9, 0.9 );
+
+   for ( i = 0 ; i < (max_stencil + 5) ; i++ ) {
+      glVertex2f(-1, -1);
+      glVertex2f( 1, -1);
+      glVertex2f( 1,  1);
+      glVertex2f(-1,  1);
+   }
+   glEnd();
+
+   glStencilFunc(GL_EQUAL, max_stencil, ~0);
+   glBegin(GL_QUADS);
+   glColor3f( 0.5, 0.5, 0.5 );
+   glVertex2f(-1, -1);
+   glVertex2f( 1, -1);
+   glVertex2f( 1,  1);
+   glVertex2f(-1,  1);
+   glEnd();
+
+
+   glStencilFunc(GL_ALWAYS, 0, ~0);
+   glStencilOp(GL_KEEP, GL_KEEP, GL_DECR);
+
+   glTranslatef(3.0, 0, 0);
+   glBegin(GL_QUADS);
+   glColor3f( 0.9, 0.9, 0.9 );
+
+   for ( i = 0 ; i < (max_stencil + 5) ; i++ ) {
+      glVertex2f(-1, -1);
+      glVertex2f( 1, -1);
+      glVertex2f( 1,  1);
+      glVertex2f(-1,  1);
+   }
+   glEnd();
+
+   glStencilFunc(GL_EQUAL, 0, ~0);
+   glBegin(GL_QUADS);
+   glColor3f( 0.5, 0.5, 0.5 );
+   glVertex2f(-1, -1);
+   glVertex2f( 1, -1);
+   glVertex2f( 1,  1);
+   glVertex2f(-1,  1);
+   glEnd();
+
+
+
+
+   /* Draw the last two squares using the two wrap modes.
+    */
+
+   glStencilFunc(GL_ALWAYS, 0, ~0);
+   glStencilOp(GL_KEEP, GL_KEEP, GL_INCR_WRAP);
+
+   glTranslatef(3.0, 0, 0);
+   glBegin(GL_QUADS);
+   glColor3f( 0.9, 0.9, 0.9 );
+
+   for ( i = 0 ; i < (max_stencil + 5) ; i++ ) {
+      glVertex2f(-1, -1);
+      glVertex2f( 1, -1);
+      glVertex2f( 1,  1);
+      glVertex2f(-1,  1);
+   }
+   glEnd();
+
+   glStencilFunc(GL_EQUAL, 4, ~0);
+   glBegin(GL_QUADS);
+   glColor3f( 0.5, 0.5, 0.5 );
+   glVertex2f(-1, -1);
+   glVertex2f( 1, -1);
+   glVertex2f( 1,  1);
+   glVertex2f(-1,  1);
+   glEnd();
+
+
+   
+   glStencilFunc(GL_ALWAYS, 0, ~0);
+   glStencilOp(GL_KEEP, GL_KEEP, GL_DECR_WRAP);
+
+   glTranslatef(3.0, 0, 0);
+   glBegin(GL_QUADS);
+   glColor3f( 0.9, 0.9, 0.9 );
+
+   for ( i = 0 ; i < 5 ; i++ ) {
+      glVertex2f(-1, -1);
+      glVertex2f( 1, -1);
+      glVertex2f( 1,  1);
+      glVertex2f(-1,  1);
+   }
+   glEnd();
+
+   glStencilFunc(GL_EQUAL, (max_stencil - 4), ~0);
+   glBegin(GL_QUADS);
+   glColor3f( 0.5, 0.5, 0.5 );
+   glVertex2f(-1, -1);
+   glVertex2f( 1, -1);
+   glVertex2f( 1,  1);
+   glVertex2f(-1,  1);
+   glEnd();
+
+
+
+   glPopMatrix();
+
+   glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+   GLfloat ar = (float) width / (float) height;
+   Width = width;
+   Height = height;
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glFrustum( -ar, ar, -1.0, 1.0, Near, Far );
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   glTranslatef( 0.0, 0.0, -15.0 );
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void Init( void )
+{
+   const char * const ver_string = (const char * const)
+       glGetString( GL_VERSION );
+
+   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
+   printf("GL_VERSION = %s\n", ver_string);
+
+   if ( !glutExtensionSupported("GL_EXT_stencil_wrap") 
+	&& (atof( ver_string ) < 1.4) ) {
+      printf("Sorry, this program requires either GL_EXT_stencil_wrap or OpenGL 1.4.\n");
+      exit(1);
+   }
+
+   printf("\nAll 5 squares should be the same color.\n");
+   glEnable( GL_BLEND );
+}
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( Width, Height );
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH | GLUT_STENCIL );
+   glutCreateWindow( "GL_EXT_stencil_wrap test" );
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutDisplayFunc( Display );
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/stencilwrap.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/stencilwrap.c
new file mode 100644
index 000000000..753375d0f
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/stencilwrap.c
@@ -0,0 +1,281 @@
+/* Test GL_EXT_stencil_wrap extension.
+ * This is by no means complete, just a quick check.
+ *
+ * Brian Paul  30 October 2002
+ */
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <GL/glut.h>
+
+GLboolean wrapping;
+
+static void RunTest(void)
+{
+   const GLenum prim = GL_QUAD_STRIP;
+   GLubyte val;
+   int bits, max, i;
+   int expected;
+   GLboolean failed;
+
+   glGetIntegerv(GL_STENCIL_BITS, &bits);
+   max = (1 << bits) - 1;
+
+   
+   glEnable(GL_STENCIL_TEST);
+   glStencilFunc(GL_ALWAYS, 0, ~0);
+
+   /* test GL_KEEP */
+   glClearStencil(max);
+   glClear(GL_STENCIL_BUFFER_BIT);
+   glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
+   failed = GL_FALSE;
+   printf("Testing GL_KEEP...\n");
+   expected = max;
+   glBegin(prim);
+   glVertex2f(0, 0);
+   glVertex2f(10, 0);
+   glVertex2f(0, 10);
+   glVertex2f(10, 10);
+   glEnd();
+   glReadPixels(0, 0, 1, 1, GL_STENCIL_INDEX, GL_UNSIGNED_BYTE, &val);
+   if (val != expected) {
+      printf("Failed GL_KEEP test(got %u, expected %u)\n", val, expected);
+      failed = GL_TRUE;
+   }
+   else
+      printf("OK!\n");
+
+   /* test GL_ZERO */
+   glClearStencil(max);
+   glClear(GL_STENCIL_BUFFER_BIT);
+   glStencilOp(GL_KEEP, GL_KEEP, GL_ZERO);
+   failed = GL_FALSE;
+   printf("Testing GL_ZERO...\n");
+   expected = 0;
+   glBegin(prim);
+   glVertex2f(0, 0);
+   glVertex2f(10, 0);
+   glVertex2f(0, 10);
+   glVertex2f(10, 10);
+   glEnd();
+   glReadPixels(0, 0, 1, 1, GL_STENCIL_INDEX, GL_UNSIGNED_BYTE, &val);
+   if (val != expected) {
+      printf("Failed GL_ZERO test(got %u, expected %u)\n", val, expected);
+      failed = GL_TRUE;
+   }
+   else
+      printf("OK!\n");
+
+   /* test GL_REPLACE */
+   glClearStencil(max);
+   glClear(GL_STENCIL_BUFFER_BIT);
+   glStencilOp(GL_KEEP, GL_KEEP, GL_REPLACE);
+   failed = GL_FALSE;
+   printf("Testing GL_REPLACE...\n");
+   expected = 0;
+   glBegin(prim);
+   glVertex2f(0, 0);
+   glVertex2f(10, 0);
+   glVertex2f(0, 10);
+   glVertex2f(10, 10);
+   glEnd();
+   glReadPixels(0, 0, 1, 1, GL_STENCIL_INDEX, GL_UNSIGNED_BYTE, &val);
+   if (val != expected) {
+      printf("Failed GL_REPLACE test(got %u, expected %u)\n", val, expected);
+      failed = GL_TRUE;
+   }
+   else
+      printf("OK!\n");
+
+   /* test GL_INCR (saturation) */
+   glClearStencil(0);
+   glClear(GL_STENCIL_BUFFER_BIT);
+   glStencilOp(GL_KEEP, GL_KEEP, GL_INCR);
+   failed = GL_FALSE;
+   printf("Testing GL_INCR...\n");
+   for (i = 1; i < max+10; i++) {
+      expected = (i > max) ? max : i;
+      glBegin(prim);
+      glVertex2f(0, 0);      glVertex2f(10, 0);
+      glVertex2f(0, 10);      glVertex2f(10, 10);
+      glEnd();
+
+      glReadPixels(0, 0, 1, 1, GL_STENCIL_INDEX, GL_UNSIGNED_BYTE, &val);
+      if (val != expected) {
+	 printf( "Failed GL_INCR test on iteration #%u "
+		 "(got %u, expected %u)\n", i, val, expected );
+	 failed = GL_TRUE;
+      }	   
+   }
+   if ( !failed )
+      printf("OK!\n");
+
+   /* test GL_DECR (saturation) */
+   glClearStencil(max);
+   glClear(GL_STENCIL_BUFFER_BIT);
+   glStencilOp(GL_KEEP, GL_KEEP, GL_DECR);
+   failed = GL_FALSE;
+   printf("Testing GL_DECR...\n");
+   for (i = max-1; i > -10; i--) {
+      expected = (i < 0) ? 0 : i;
+      glBegin(prim);
+      glVertex2f(0, 0);      glVertex2f(10, 0);
+      glVertex2f(0, 10);      glVertex2f(10, 10);
+      glEnd();
+      glReadPixels(0, 0, 1, 1, GL_STENCIL_INDEX, GL_UNSIGNED_BYTE, &val);
+      if (val != expected) {
+	 printf( "Failed GL_DECR test on iteration #%u "
+		 "(got %u, expected %u)\n", max - i, val, expected );
+	 failed = GL_TRUE;
+      }	   
+   }
+   if ( !failed )
+      printf("OK!\n");
+
+   /* test GL_INVERT */
+   glClearStencil(0);
+   glClear(GL_STENCIL_BUFFER_BIT);
+   glStencilOp(GL_KEEP, GL_KEEP, GL_INVERT);
+   failed = GL_FALSE;
+   printf("Testing GL_INVERT...\n");
+   expected = max;
+   glBegin(prim);
+   glVertex2f(0, 0);
+   glVertex2f(10, 0);
+   glVertex2f(0, 10);
+   glVertex2f(10, 10);
+   glEnd();
+   glReadPixels(0, 0, 1, 1, GL_STENCIL_INDEX, GL_UNSIGNED_BYTE, &val);
+   if (val != expected) {
+      printf("Failed GL_INVERT test(got %u, expected %u)\n", val, expected);
+      failed = GL_TRUE;
+   }
+   else
+      printf("OK!\n");
+
+   if(wrapping)
+   {
+      /* test GL_INCR_WRAP_EXT (wrap around) */
+      glClearStencil(0);
+      glClear(GL_STENCIL_BUFFER_BIT);
+      glStencilOp(GL_KEEP, GL_KEEP, GL_INCR_WRAP_EXT);
+      failed = GL_FALSE;
+      printf("Testing GL_INCR_WRAP_EXT...\n");
+      for (i = 1; i < max+10; i++) {
+         expected = i % (max + 1);
+         glBegin(prim);
+         glVertex2f(0, 0);      glVertex2f(10, 0);
+         glVertex2f(0, 10);      glVertex2f(10, 10);
+         glEnd();
+         glReadPixels(0, 0, 1, 1, GL_STENCIL_INDEX, GL_UNSIGNED_BYTE, &val);
+         if (val != expected) {
+	    printf( "Failed GL_INCR_WRAP test on iteration #%u "
+		 "(got %u, expected %u)\n", i, val, expected );
+	    failed = GL_TRUE;
+         }	   
+      }
+      if ( !failed )
+         printf("OK!\n");
+
+      /* test GL_DECR_WRAP_EXT (wrap-around) */
+      glClearStencil(max);
+      glClear(GL_STENCIL_BUFFER_BIT);
+      glStencilOp(GL_KEEP, GL_KEEP, GL_DECR_WRAP_EXT);
+      failed = GL_FALSE;
+      printf("Testing GL_DECR_WRAP_EXT...\n");
+      for (i = max-1; i > -10; i--) {
+         expected = (i < 0) ? max + i + 1: i;
+         glBegin(prim);
+         glVertex2f(0, 0);      glVertex2f(10, 0);
+         glVertex2f(0, 10);      glVertex2f(10, 10);
+         glEnd();
+         glReadPixels(0, 0, 1, 1, GL_STENCIL_INDEX, GL_UNSIGNED_BYTE, &val);
+         if (val != expected) {
+            printf( "Failed GL_DECR_WRAP test on iteration #%u "
+               "(got %u, expected %u)\n", max - i, val, expected );
+            failed = GL_TRUE;
+         }	   
+      }
+      if ( !failed )
+         printf("OK!\n");
+   }
+
+   glDisable(GL_STENCIL_TEST);
+}
+
+
+static void Display( void )
+{
+   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+   RunTest();
+
+   glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glOrtho(0, width, 0, height, -1, 1);
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void Init( void )
+{
+   const char * ver_str;
+   float        version;
+
+   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
+   printf("GL_VERSION = %s\n", (char *) glGetString(GL_VERSION));
+
+
+   /* Check for both the extension string and GL version 1.4 on the
+    * outside chance that some vendor exports version 1.4 but doesn't
+    * export the extension string.  The stencil-wrap modes are a required
+    * part of GL 1.4.
+    */
+
+   ver_str = glGetString( GL_VERSION );
+   version = (ver_str == NULL) ? 1.0 : atof( ver_str );
+
+   wrapping = (glutExtensionSupported("GL_EXT_stencil_wrap") || (version >= 1.4));
+   if (!wrapping)
+      printf("GL_EXT_stencil_wrap not supported. Only testing the rest.\n");
+}
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( 400, 400 );
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_STENCIL );
+   glutCreateWindow(argv[0]);
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutDisplayFunc( Display );
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/tex1d.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/tex1d.c
new file mode 100644
index 000000000..1fab849dd
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/tex1d.c
@@ -0,0 +1,139 @@
+
+/* Exercise 1D textures
+ */
+
+#include <assert.h>
+#include <math.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "GL/glut.h"
+
+static GLuint Window = 0;
+static GLuint TexObj[2];
+static GLfloat Angle = 0.0f;
+
+
+static void draw( void )
+{
+   glClear( GL_COLOR_BUFFER_BIT );
+
+   glColor3f( 1.0, 1.0, 1.0 );
+
+   /* draw first polygon */
+   glPushMatrix();
+   glTranslatef( -1.0, 0.0, 0.0 );
+   glRotatef( Angle, 0.0, 0.0, 1.0 );
+   glBindTexture( GL_TEXTURE_1D, TexObj[0] );
+   glBegin( GL_POLYGON );
+   glTexCoord1f( 0.0 );   glVertex2f( -1.0, -1.0 );
+   glTexCoord1f( 1.0 );   glVertex2f(  1.0, -1.0 );
+   glTexCoord1f( 1.0 );   glVertex2f(  1.0,  1.0 );
+   glTexCoord1f( 0.0 );   glVertex2f( -1.0,  1.0 );
+   glEnd();
+   glPopMatrix();
+
+   glutSwapBuffers();
+}
+
+
+
+static void idle( void )
+{
+   Angle += 2.0;
+   glutPostRedisplay();
+}
+
+
+
+/* change view Angle, exit upon ESC */
+static void key(unsigned char k, int x, int y)
+{
+   (void) x;
+   (void) y;
+   switch (k) {
+      case 27:
+         exit(0);
+   }
+}
+
+
+
+/* new window size or exposure */
+static void reshape( int width, int height )
+{
+   glViewport(0, 0, (GLint)width, (GLint)height);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   /*   glOrtho( -3.0, 3.0, -3.0, 3.0, -10.0, 10.0 );*/
+   glFrustum( -2.0, 2.0, -2.0, 2.0, 6.0, 20.0 );
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glTranslatef( 0.0, 0.0, -8.0 );
+}
+
+
+static void init( void )
+{
+   GLubyte tex[256][3];
+   GLint i;
+
+
+   glDisable( GL_DITHER );
+
+   /* Setup texturing */
+   glEnable( GL_TEXTURE_1D );
+   glTexEnvi( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL );
+
+
+   /* generate texture object IDs */
+   glGenTextures( 2, TexObj );
+
+   /* setup first texture object */
+   glBindTexture( GL_TEXTURE_1D, TexObj[0] );
+
+
+   for (i = 0; i < 256; i++) {
+      GLfloat f;
+
+      /* map 0..255 to -PI .. PI */
+      f = ((i / 255.0) - .5) * (3.141592 * 2);
+
+      f = sin(f);
+
+      /* map -1..1 to 0..255 */
+      tex[i][0] = (f+1.0)/2.0 * 255.0;
+      tex[i][1] = 0;
+      tex[i][2] = 0;
+   }
+
+   glTexImage1D( GL_TEXTURE_1D, 0, 3, 256, 0, GL_RGB, GL_UNSIGNED_BYTE, tex );
+   glTexParameteri( GL_TEXTURE_1D, GL_TEXTURE_MIN_FILTER, GL_NEAREST );
+   glTexParameteri( GL_TEXTURE_1D, GL_TEXTURE_MAG_FILTER, GL_NEAREST );
+   glTexParameteri( GL_TEXTURE_1D, GL_TEXTURE_WRAP_S, GL_REPEAT );
+   glTexParameteri( GL_TEXTURE_1D, GL_TEXTURE_WRAP_T, GL_REPEAT );
+}
+
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit(&argc, argv);
+   glutInitWindowPosition(0, 0);
+   glutInitWindowSize(300, 300);
+   glutInitDisplayMode( GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE );
+
+   Window = glutCreateWindow("Texture Objects");
+   if (!Window) {
+      exit(1);
+   }
+
+   init();
+
+   glutReshapeFunc( reshape );
+   glutKeyboardFunc( key );
+/*    glutIdleFunc( idle ); */
+   glutDisplayFunc( draw );
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/texcmp.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/texcmp.c
new file mode 100644
index 000000000..6e822fb68
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/texcmp.c
@@ -0,0 +1,414 @@
+/*
+ * Compressed texture demo.  Written by Daniel Borca.
+ * This program is in the public domain.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <string.h>
+#define GL_GLEXT_PROTOTYPES 1
+#include <GL/glut.h>
+
+#include "readtex.c" /* I know, this is a hack. */
+#define TEXTURE_FILE "../images/tree2.rgba"
+
+
+static float Rot = 0.0;
+static GLboolean Anim = 1;
+
+typedef struct {
+        GLubyte *data;
+        GLuint size;
+        GLenum format;
+        GLuint w, h;
+
+        GLenum TC;
+
+        GLubyte *cData;
+        GLuint cSize;
+        GLenum cFormat;
+} TEXTURE;
+
+static TEXTURE *Tx, t1, t2, t3;
+static GLboolean fxt1, dxtc, s3tc;
+
+
+static const char *TextureName (GLenum TC)
+{
+ switch (TC) {
+        case GL_RGB:
+             return "RGB";
+        case GL_RGBA:
+             return "RGBA";
+        case GL_COMPRESSED_RGB:
+             return "COMPRESSED_RGB";
+        case GL_COMPRESSED_RGBA:
+             return "COMPRESSED_RGBA";
+        case GL_COMPRESSED_RGB_FXT1_3DFX:
+             return "GL_COMPRESSED_RGB_FXT1_3DFX";
+        case GL_COMPRESSED_RGBA_FXT1_3DFX:
+             return "GL_COMPRESSED_RGBA_FXT1_3DFX";
+        case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
+             return "GL_COMPRESSED_RGB_S3TC_DXT1_EXT";
+        case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
+             return "GL_COMPRESSED_RGBA_S3TC_DXT1_EXT";
+        case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
+             return "GL_COMPRESSED_RGBA_S3TC_DXT3_EXT";
+        case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
+             return "GL_COMPRESSED_RGBA_S3TC_DXT5_EXT";
+        case GL_RGB_S3TC:
+             return "GL_RGB_S3TC";
+        case GL_RGB4_S3TC:
+             return "GL_RGB4_S3TC";
+        case GL_RGBA_S3TC:
+             return "GL_RGBA_S3TC";
+        case GL_RGBA4_S3TC:
+             return "GL_RGBA4_S3TC";
+        case 0:
+             return "Invalid format";
+        default:
+             return "Unknown format";
+ }
+}
+
+
+static void
+PrintString(const char *s)
+{
+   while (*s) {
+      glutBitmapCharacter(GLUT_BITMAP_8_BY_13, (int) *s);
+      s++;
+   }
+}
+
+
+static void Idle( void )
+{
+   float t = glutGet(GLUT_ELAPSED_TIME) * 0.001;  /* in seconds */
+   Rot = t * 360 / 4;  /* 1 rotation per 4 seconds */
+   glutPostRedisplay();
+}
+
+
+static void Display( void )
+{
+   /* draw background gradient */
+   glDisable(GL_TEXTURE_2D);
+   glBegin(GL_POLYGON);
+   glColor3f(1.0, 0.0, 0.2); glVertex2f(-1.5, -1.0);
+   glColor3f(1.0, 0.0, 0.2); glVertex2f( 1.5, -1.0);
+   glColor3f(0.0, 0.0, 1.0); glVertex2f( 1.5,  1.0);
+   glColor3f(0.0, 0.0, 1.0); glVertex2f(-1.5,  1.0);
+   glEnd();
+
+   glPushMatrix();
+   glRotatef(Rot, 0, 0, 1);
+
+   glEnable(GL_TEXTURE_2D);
+   glBegin(GL_POLYGON);
+   glTexCoord2f(0, 1);  glVertex2f(-1, -0.5);
+   glTexCoord2f(1, 1);  glVertex2f( 1, -0.5);
+   glTexCoord2f(1, 0);  glVertex2f( 1,  0.5);
+   glTexCoord2f(0, 0);  glVertex2f(-1,  0.5);
+   glEnd();
+
+   glPopMatrix();
+
+   /* info */
+   glColor4f(1, 1, 1, 1);
+
+   glRasterPos3f(-1.2, -0.7, 0);
+   PrintString("Selected: ");
+   PrintString(TextureName(Tx->TC));
+   if (Tx->cData) {
+      char tmp[64];
+      glRasterPos3f(-1.2, -0.8, 0);
+      PrintString("Internal: ");
+      PrintString(TextureName(Tx->cFormat));
+      glRasterPos3f(-1.2, -0.9, 0);
+      PrintString("Size    : ");
+      sprintf(tmp, "%d (%d%% of %d)", Tx->cSize, Tx->cSize * 100 / Tx->size, Tx->size);
+      PrintString(tmp);
+   }
+
+   glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glOrtho( -1.5, 1.5, -1.0, 1.0, -1.0, 1.0 );
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+}
+
+
+static void ReInit( GLenum TC, TEXTURE *Tx )
+{
+   GLint rv;
+
+   if ((Tx->TC == TC) && (Tx->cData != NULL)) {
+      glCompressedTexImage2DARB(GL_TEXTURE_2D, /* target */
+	                        0,             /* level */
+	                        Tx->cFormat,   /* real format */
+	                        Tx->w,         /* original width */
+	                        Tx->h,         /* original height */
+	                        0,             /* border */
+	                        Tx->cSize,     /* compressed size*/
+	                        Tx->cData);    /* compressed data*/
+   } else {
+      glTexImage2D(GL_TEXTURE_2D,    /* target */
+                   0,                /* level */
+                   TC,               /* internal format */
+                   Tx->w, Tx->h,     /* width, height */
+                   0,                /* border */
+                   Tx->format,       /* texture format */
+                   GL_UNSIGNED_BYTE, /* texture type */
+                   Tx->data);        /* the texture */
+
+      /* okay, now cache the compressed texture */
+      Tx->TC = TC;
+      if (Tx->cData != NULL) {
+         free(Tx->cData);
+         Tx->cData = NULL;
+      }
+      glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_COMPRESSED_ARB, &rv);
+      if (rv) {
+         glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_INTERNAL_FORMAT, (GLint *)&Tx->cFormat);
+         glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_COMPRESSED_IMAGE_SIZE_ARB, (GLint *)&Tx->cSize);
+         if ((Tx->cData = malloc(Tx->cSize)) != NULL) {
+            glGetCompressedTexImageARB(GL_TEXTURE_2D, 0, Tx->cData);
+         }
+      }
+   }
+}
+
+
+static void Init( void )
+{
+   /* HEIGHT * WIDTH + 1 (for trailing '\0') */
+   static char pattern[8 * 32 + 1] = {"\
+                                \
+    MMM    EEEE   SSS    AAA    \
+   M M M  E      S   S  A   A   \
+   M M M  EEEE    SS    A   A   \
+   M M M  E         SS  AAAAA   \
+   M   M  E      S   S  A   A   \
+   M   M   EEEE   SSS   A   A   \
+                                "
+      };
+
+   GLuint i, j;
+
+   GLubyte (*texture1)[8 * 32][4];
+   GLubyte (*texture2)[256][256][4];
+
+   t1.w = 32;
+   t1.h = 8;
+   t1.size = t1.w * t1.h * 4;
+   t1.data = malloc(t1.size);
+   t1.format = GL_RGBA;
+   t1.TC = GL_RGBA;
+
+   texture1 = (GLubyte (*)[8 * 32][4])t1.data;
+   for (i = 0; i < sizeof(pattern) - 1; i++) {
+       switch (pattern[i]) {
+              default:
+              case ' ':
+                   (*texture1)[i][0] = 255;
+                   (*texture1)[i][1] = 255;
+                   (*texture1)[i][2] = 255;
+                   (*texture1)[i][3] = 64;
+                   break;
+              case 'M':
+                   (*texture1)[i][0] = 255;
+                   (*texture1)[i][1] = 0;
+                   (*texture1)[i][2] = 0;
+                   (*texture1)[i][3] = 255;
+                   break;
+              case 'E':
+                   (*texture1)[i][0] = 0;
+                   (*texture1)[i][1] = 255;
+                   (*texture1)[i][2] = 0;
+                   (*texture1)[i][3] = 255;
+                   break;
+              case 'S':
+                   (*texture1)[i][0] = 0;
+                   (*texture1)[i][1] = 0;
+                   (*texture1)[i][2] = 255;
+                   (*texture1)[i][3] = 255;
+                   break;
+              case 'A':
+                   (*texture1)[i][0] = 255;
+                   (*texture1)[i][1] = 255;
+                   (*texture1)[i][2] = 0;
+                   (*texture1)[i][3] = 255;
+                   break;
+       }
+   }
+
+   t2.w = 256;
+   t2.h = 256;
+   t2.size = t2.w * t2.h * 4;
+   t2.data = malloc(t2.size);
+   t2.format = GL_RGBA;
+   t2.TC = GL_RGBA;
+
+   texture2 = (GLubyte (*)[256][256][4])t2.data;
+   for (j = 0; j < t2.h; j++) {
+      for (i = 0; i < t2.w; i++) {
+         (*texture2)[j][i][0] = sqrt(i * j * 255 * 255 / (t2.w * t2.h));
+         (*texture2)[j][i][1] = 0;
+         (*texture2)[j][i][2] = 0;
+         (*texture2)[j][i][3] = 255;
+      }
+   }
+
+   t3.data = LoadRGBImage(TEXTURE_FILE, (GLint *)&t3.w, (GLint *)&t3.h, &t3.format);
+   t3.size = t3.w * t3.h * ((t3.format == GL_RGB) ? 3 : 4);
+   t3.TC = GL_RGBA;
+
+   ReInit(GL_RGBA, Tx = &t1);
+
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+   glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+   glEnable(GL_TEXTURE_2D);
+
+   glEnable(GL_BLEND);
+   glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+      case ' ':
+         Anim = !Anim;
+         if (Anim)
+            glutIdleFunc( Idle );
+         else
+            glutIdleFunc( NULL );
+         break;
+      case 't':
+         if (Tx == &t1) {
+            Tx = &t2;
+         } else if (Tx == &t2) {
+            Tx = &t3;
+         } else {
+            Tx = &t1;
+         }
+         ReInit(Tx->TC, Tx);
+         break;
+      case '9':
+         ReInit(GL_RGB, Tx);
+         break;
+      case '0':
+         ReInit(GL_RGBA, Tx);
+         break;
+      case '1':
+         ReInit(GL_COMPRESSED_RGB, Tx);
+         break;
+      case '2':
+         ReInit(GL_COMPRESSED_RGBA, Tx);
+         break;
+      case '3':
+         if (fxt1) ReInit(GL_COMPRESSED_RGB_FXT1_3DFX, Tx);
+         break;
+      case '4':
+         if (fxt1) ReInit(GL_COMPRESSED_RGBA_FXT1_3DFX, Tx);
+         break;
+      case '5':
+         if (dxtc) ReInit(GL_COMPRESSED_RGB_S3TC_DXT1_EXT, Tx);
+         break;
+      case '6':
+         if (dxtc) ReInit(GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, Tx);
+         break;
+      case '7':
+         if (dxtc) ReInit(GL_COMPRESSED_RGBA_S3TC_DXT3_EXT, Tx);
+         break;
+      case '8':
+         if (dxtc) ReInit(GL_COMPRESSED_RGBA_S3TC_DXT5_EXT, Tx);
+         break;
+      case 'a':
+         if (s3tc) ReInit(GL_RGB_S3TC, Tx);
+         break;
+      case 's':
+         if (s3tc) ReInit(GL_RGB4_S3TC, Tx);
+         break;
+      case 'd':
+         if (s3tc) ReInit(GL_RGBA_S3TC, Tx);
+         break;
+      case 'f':
+         if (s3tc) ReInit(GL_RGBA4_S3TC, Tx);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+int main( int argc, char *argv[] )
+{
+   float gl_version;
+   GLint num_formats;
+   GLint i;
+   GLint formats[64];
+
+
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( 400, 300 );
+
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
+
+   if (glutCreateWindow(argv[0]) <= 0) {
+      printf("Couldn't create window\n");
+      exit(0);
+   }
+
+   gl_version = atof( (const char *) glGetString( GL_VERSION ) );
+   if ( (gl_version < 1.3) 
+	&& !glutExtensionSupported("GL_ARB_texture_compression") ) {
+      printf("Sorry, GL_ARB_texture_compression not supported\n");
+      exit(0);
+   }
+   if (glutExtensionSupported("GL_3DFX_texture_compression_FXT1")) {
+      fxt1 = GL_TRUE;
+   }
+   if (glutExtensionSupported("GL_EXT_texture_compression_s3tc")) {
+      dxtc = GL_TRUE;
+   }
+   if (glutExtensionSupported("GL_S3_s3tc")) {
+      s3tc = GL_TRUE;
+   }
+
+   glGetIntegerv( GL_NUM_COMPRESSED_TEXTURE_FORMATS_ARB, & num_formats );
+   
+   (void) memset( formats, 0, sizeof( formats ) );
+   glGetIntegerv( GL_COMPRESSED_TEXTURE_FORMATS_ARB, formats );
+
+   printf( "The following texture formats are supported:\n" );
+   for ( i = 0 ; i < num_formats ; i++ ) {
+      printf( "\t%s\n", TextureName( formats[i] ) );
+   }
+	
+   Init();
+
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutDisplayFunc( Display );
+   if (Anim)
+      glutIdleFunc( Idle );
+
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/texgenmix.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/texgenmix.c
new file mode 100644
index 000000000..be8f6775c
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/texgenmix.c
@@ -0,0 +1,640 @@
+
+/*
+ * Demonstrates mixed texgen/non-texgen texture coordinates.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <GL/glut.h>
+
+#undef max
+#undef min
+#define max( a, b )	((a) >= (b) ? (a) : (b))
+#define min( a, b )	((a) <= (b) ? (a) : (b))
+
+GLfloat labelColor0[4] = { 1.0, 1.0, 1.0, 1.0 };
+GLfloat labelColor1[4] = { 1.0, 1.0, 0.4, 1.0 };
+GLfloat *labelInfoColor = labelColor0;
+
+GLboolean doubleBuffered = GL_TRUE;
+GLboolean drawTextured = GL_TRUE;
+
+int textureWidth = 64;
+int textureHeight = 64;
+
+int winWidth = 580, winHeight = 720;
+
+const GLfloat texmat_swap_rq[16] = { 1.0, 0.0, 0.0, 0.0,
+                                     0.0, 1.0, 0.0, 0.0,
+                                     0.0, 0.0, 0.0, 1.0,
+                                     0.0, 0.0, 1.0, 0.0};
+
+const GLfloat nullPlane[4] = { 0.0, 0.0, 0.0, 0.0 };
+const GLfloat ObjPlaneS1[4] = { 1.0, 0.0, 1.0, 0.0 };
+const GLfloat ObjPlaneS2[4] = { 0.5, 0.0, 0.0, 0.0 };
+const GLfloat ObjPlaneS3[4] = { 1.0, 0.0, 0.0, 0.0 };
+const GLfloat ObjPlaneT[4] = { 0.0, 1.0, 0.0, 0.0 };
+const GLfloat ObjPlaneT2[4] = { 0.0, 0.5, 0.0, 0.0 };
+const GLfloat ObjPlaneT3[4] = { 0.0, 1.0, 0.0, 0.0 };
+const GLfloat ObjPlaneR[4] = { 0.0, 0.0, 1.0, 0.0 };
+const GLfloat ObjPlaneQ[4] = { 0.0, 0.0, 0.0, 0.5 };
+
+
+static void checkErrors( void )
+{
+   GLenum error;
+
+   while ( (error = glGetError()) != GL_NO_ERROR ) {
+      fprintf( stderr, "Error: %s\n", (char *) gluErrorString( error ) );
+   }
+}
+
+static void drawString( const char *string, GLfloat x, GLfloat y,
+                        const GLfloat color[4] )
+{
+   glColor4fv( color );
+   glRasterPos2f( x, y );
+
+   while ( *string ) {
+      glutBitmapCharacter( GLUT_BITMAP_TIMES_ROMAN_10, *string );
+      string++;
+   }
+}
+
+static void begin2D( int width, int height )
+{
+   glMatrixMode( GL_PROJECTION );
+
+   glPushMatrix();
+   glLoadIdentity();
+
+   glOrtho( 0, width, 0, height, -1, 1 );
+   glMatrixMode( GL_MODELVIEW );
+
+   glPushMatrix();
+   glLoadIdentity();
+}
+
+static void end2D( void )
+{
+   glMatrixMode( GL_PROJECTION );
+   glPopMatrix();
+   glMatrixMode( GL_MODELVIEW );
+   glPopMatrix();
+}
+
+static void initialize( void )
+{
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+
+   glOrtho( -1.5, 1.5, -1.5, 1.5, -1.5, 1.5 );
+
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+
+   glShadeModel( GL_FLAT );
+}
+
+/* ARGSUSED1 */
+static void keyboard( unsigned char c, int x, int y )
+{
+   switch ( c ) {
+   case 't':
+      drawTextured = !drawTextured;
+      break;
+   case 27:             /* Escape key should force exit. */
+      exit(0);
+      break;
+   default:
+      break;
+   }
+   glutPostRedisplay();
+}
+
+/* ARGSUSED1 */
+static void special( int key, int x, int y )
+{
+   switch ( key ) {
+   case GLUT_KEY_DOWN:
+      break;
+   case GLUT_KEY_UP:
+      break;
+   case GLUT_KEY_LEFT:
+      break;
+   case GLUT_KEY_RIGHT:
+      break;
+   default:
+      break;
+   }
+   glutPostRedisplay();
+}
+
+static void
+reshape( int w, int h )
+{
+   winWidth = w;
+   winHeight = h;
+   /* No need to call glViewPort here since "draw" calls it! */
+}
+
+static void loadTexture( int width, int height )
+{
+   int		alphaSize = 1;
+   int		rgbSize = 3;
+   GLubyte	*texImage, *p;
+   int		elementsPerGroup, elementSize, groupSize, rowSize;
+   int		i, j;
+
+
+   elementsPerGroup = alphaSize + rgbSize;
+   elementSize = sizeof(GLubyte);
+   groupSize = elementsPerGroup * elementSize;
+   rowSize = width * groupSize;
+
+   if ( (texImage = (GLubyte *) malloc( height * rowSize ) ) == NULL ) {
+      fprintf( stderr, "texture malloc failed\n" );
+      return;
+   }
+
+   for ( i = 0 ; i < height ; i++ )
+   {
+      p = texImage + i * rowSize;
+
+      for ( j = 0 ; j < width ; j++ )
+      {
+	 if ( rgbSize > 0 )
+	 {
+	    /**
+	     ** +-----+-----+
+	     ** |     |     |
+	     ** |  R  |  G  |
+	     ** |     |     |
+	     ** +-----+-----+
+	     ** |     |     |
+	     ** |  Y  |  B  |
+	     ** |     |     |
+	     ** +-----+-----+
+	     **/
+	    if ( i > height / 2 ) {
+	       if ( j < width / 2 ) {
+		  p[0] = 0xff;
+		  p[1] = 0x00;
+		  p[2] = 0x00;
+	       } else {
+		  p[0] = 0x00;
+		  p[1] = 0xff;
+		  p[2] = 0x00;
+	       }
+	    } else {
+	       if ( j < width / 2 ) {
+		  p[0] = 0xff;
+		  p[1] = 0xff;
+		  p[2] = 0x00;
+	       } else {
+		  p[0] = 0x00;
+		  p[1] = 0x00;
+		  p[2] = 0xff;
+	       }
+	    }
+	    p += 3 * elementSize;
+	 }
+
+	 if ( alphaSize > 0 )
+	 {
+	    /**
+	     ** +-----------+
+	     ** |     W     |
+	     ** |  +-----+  |
+	     ** |  |     |  |
+	     ** |  |  B  |  |
+	     ** |  |     |  |
+	     ** |  +-----+  |
+	     ** |           |
+	     ** +-----------+
+	     **/
+	    int i2 = i - height / 2;
+	    int j2 = j - width / 2;
+	    int h8 = height / 8;
+	    int w8 = width / 8;
+	    if ( -h8 <= i2 && i2 <= h8 && -w8 <= j2 && j2 <= w8 ) {
+	       p[0] = 0x00;
+	    } else if ( -2 * h8 <= i2 && i2 <= 2 * h8 && -2 * w8 <= j2 && j2 <= 2 * w8 ) {
+	       p[0] = 0x55;
+	    } else if ( -3 * h8 <= i2 && i2 <= 3 * h8 && -3 * w8 <= j2 && j2 <= 3 * w8 ) {
+	       p[0] = 0xaa;
+	    } else {
+	       p[0] = 0xff;
+	    }
+	    p += elementSize;
+	 }
+      }
+   }
+
+   glTexImage2D( GL_TEXTURE_2D, 0,
+		 GL_RGBA, width, height, 0,
+		 GL_RGBA, GL_UNSIGNED_BYTE, texImage );
+
+   free( texImage );
+}
+
+
+static void drawSample( int x, int y, int w, int h,
+                        int texgenenabled, int coordnr )
+{
+   char buf[255];
+
+   glViewport( x, y, w, h );
+   glScissor( x, y, w, h );
+
+   glClearColor( 0.1, 0.1, 0.1, 1.0 );
+   glClear( GL_COLOR_BUFFER_BIT );
+
+   begin2D( w, h );
+   if (texgenenabled == 2) {
+      sprintf( buf, "TexCoord%df", coordnr);
+      drawString( buf, 10, h - 15, labelInfoColor );
+      sprintf( buf, "texgen enabled for %s coordinate(s)", coordnr == 2 ? "S" : "S/T");
+      drawString( buf, 10, 5, labelInfoColor );
+   }
+   else if (texgenenabled == 0) {
+      sprintf( buf, "TexCoord%df", coordnr);
+      drawString( buf, 10, h - 15, labelInfoColor );
+      drawString( "no texgen", 10, 5, labelInfoColor );
+   }
+   else if (texgenenabled == 1) {
+      drawString( "no TexCoord", 10, h - 15, labelInfoColor );
+      sprintf( buf, "texgen enabled for %s coordinate(s)",
+         coordnr == 2 ? "S/T" : (coordnr == 3 ? "S/T/R" : "S/T/R/Q"));
+      drawString( buf, 10, 5, labelInfoColor );
+   }
+
+   end2D();
+
+   glTexEnvi( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE );
+
+   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST );
+   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST );
+
+   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP );
+   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP );
+
+   loadTexture( textureWidth, textureHeight );
+
+   if ( drawTextured ) {
+      glEnable( GL_TEXTURE_2D );
+   }
+
+   glDisable( GL_TEXTURE_GEN_S );
+   glDisable( GL_TEXTURE_GEN_T );
+   glDisable( GL_TEXTURE_GEN_R );
+   glDisable( GL_TEXTURE_GEN_Q );
+
+   glMatrixMode( GL_TEXTURE );
+   glLoadIdentity();
+   glMatrixMode( GL_MODELVIEW );
+   glPushMatrix();
+
+   switch (coordnr) {
+   case 2:
+      switch (texgenenabled) {
+      case 0:
+         glBegin( GL_QUADS );
+         glTexCoord2f( 0.0, 0.0 );
+         glVertex2f( -0.8, -0.8 );
+
+         glTexCoord2f( 1.0, 0.0 );
+         glVertex2f( 0.8, -0.8 );
+
+         glTexCoord2f( 1.0, 1.0 );
+         glVertex2f( 0.8, 0.8 );
+
+         glTexCoord2f( 0.0, 1.0 );
+         glVertex2f( -0.8, 0.8 );
+         glEnd();
+         break;
+      case 1:
+         glTranslatef( -0.8, -0.8, 0.0 );
+         glScalef( 1.6, 1.6, 1.0 );
+         glTexGeni( GL_S, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR );
+         glTexGeni( GL_T, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR );
+         glTexGeni( GL_R, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR );
+         glTexGeni( GL_Q, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR );
+         glTexGenfv(GL_S, GL_OBJECT_PLANE, ObjPlaneS3);
+         glTexGenfv(GL_T, GL_OBJECT_PLANE, ObjPlaneT3);
+         glTexGenfv(GL_R, GL_OBJECT_PLANE, nullPlane);
+         glTexGenfv(GL_Q, GL_OBJECT_PLANE, nullPlane);
+
+         glEnable( GL_TEXTURE_GEN_S );
+         glEnable( GL_TEXTURE_GEN_T );
+
+         /* Issue a texcoord here to be sure Q isn't left over from a
+          * previous sample.
+          */
+         glTexCoord1f( 0.0 );
+         glBegin( GL_QUADS );
+         glVertex2f( 0.0, 0.0 );
+         glVertex2f( 1.0, 0.0 );
+         glVertex2f( 1.0, 1.0 );
+         glVertex2f( 0.0, 1.0 );
+         glEnd();
+         break;
+      case 2:
+         /* make sure that texgen T and non-texgen S coordinate are wrong */
+         glTexGeni( GL_S, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR );
+         glTexGeni( GL_T, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR );
+         glTexGeni( GL_R, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR );
+         glTexGeni( GL_Q, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR );
+         glTexGenfv(GL_S, GL_OBJECT_PLANE, ObjPlaneS1);
+         glTexGenfv(GL_T, GL_OBJECT_PLANE, nullPlane);
+         glTexGenfv(GL_R, GL_OBJECT_PLANE, nullPlane);
+         glTexGenfv(GL_Q, GL_OBJECT_PLANE, nullPlane);
+
+         glEnable( GL_TEXTURE_GEN_S );
+
+         glBegin( GL_QUADS );
+         /* use z coordinate to get correct texgen values... */
+         glTexCoord2f( 0.0, 0.0 );
+         glVertex3f( -0.8, -0.8, 0.8 );
+
+         glTexCoord2f( 0.0, 0.0 );
+         glVertex3f( 0.8, -0.8, 0.2 );
+
+         glTexCoord2f( 0.0, 1.0 );
+         glVertex3f( 0.8, 0.8, 0.2 );
+
+         glTexCoord2f( 0.0, 1.0 );
+         glVertex3f( -0.8, 0.8, 0.8 );
+         glEnd();
+         break;
+      }
+      break;
+   case 3:
+      glMatrixMode( GL_TEXTURE );
+      glLoadMatrixf( texmat_swap_rq );
+      glMatrixMode( GL_MODELVIEW );
+      glTranslatef( -0.8, -0.8, 0.0 );
+      glScalef( 1.6, 1.6, 1.0 );
+      switch (texgenenabled) {
+      case 0:
+         glBegin( GL_QUADS );
+         glTexCoord3f( 0.0, 0.0, 0.5 );
+         glVertex2f( 0.0, 0.0 );
+
+         glTexCoord3f( 0.5, 0.0, 0.5 );
+         glVertex2f( 1.0, 0.0 );
+
+         glTexCoord3f( 0.5, 0.5, 0.5 );
+         glVertex2f( 1.0, 1.0 );
+
+         glTexCoord3f( 0.0, 0.5, 0.5 );
+         glVertex2f( 0.0, 1.0 );
+         glEnd();
+         break;
+      case 1:
+         glTexGeni( GL_S, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR );
+         glTexGeni( GL_T, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR );
+         glTexGeni( GL_R, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR );
+         glTexGeni( GL_Q, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR );
+         glTexGenfv(GL_S, GL_OBJECT_PLANE, ObjPlaneS2);
+         glTexGenfv(GL_T, GL_OBJECT_PLANE, ObjPlaneT2);
+         glTexGenfv(GL_R, GL_OBJECT_PLANE, ObjPlaneR);
+         glTexGenfv(GL_Q, GL_OBJECT_PLANE, nullPlane);
+
+         glEnable( GL_TEXTURE_GEN_S );
+         glEnable( GL_TEXTURE_GEN_T );
+         glEnable( GL_TEXTURE_GEN_R );
+
+         glTexCoord1f( 0.0 ); /* to make sure Q is 1.0 */
+         glBegin( GL_QUADS );
+         glVertex3f( 0.0, 0.0, 0.5 );
+         glVertex3f( 1.0, 0.0, 0.5 );
+         glVertex3f( 1.0, 1.0, 0.5 );
+         glVertex3f( 0.0, 1.0, 0.5 );
+         glEnd();
+         break;
+      case 2:
+         /* make sure that texgen R/Q and non-texgen S/T coordinates are wrong */
+         glTexGeni( GL_S, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR );
+         glTexGeni( GL_T, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR );
+         glTexGeni( GL_R, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR );
+         glTexGeni( GL_Q, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR );
+         glTexGenfv(GL_S, GL_OBJECT_PLANE, ObjPlaneS2);
+         glTexGenfv(GL_T, GL_OBJECT_PLANE, ObjPlaneT2);
+         glTexGenfv(GL_R, GL_OBJECT_PLANE, nullPlane);
+         glTexGenfv(GL_Q, GL_OBJECT_PLANE, nullPlane);
+
+         glEnable( GL_TEXTURE_GEN_S );
+         glEnable( GL_TEXTURE_GEN_T );
+
+         glBegin( GL_QUADS );
+         glTexCoord3f( 0.0, 0.0, 0.5 );
+         glVertex2f( 0.0, 0.0);
+
+         glTexCoord3f( 0.0, 0.0, 0.5 );
+         glVertex2f( 1.0, 0.0);
+
+         glTexCoord3f( 0.0, 0.0, 0.5 );
+         glVertex2f( 1.0, 1.0);
+
+         glTexCoord3f( 0.0, 0.0, 0.5 );
+         glVertex2f( 0.0, 1.0);
+         glEnd();
+         break;
+      }
+      break;
+   case 4:
+      switch (texgenenabled) {
+      case 0:
+         glBegin( GL_QUADS );
+         /* don't need r coordinate but still setting it I'm mean */
+         glTexCoord4f( 0.0, 0.0, 0.0, 0.5 );
+         glVertex2f( -0.8, -0.8 );
+
+         glTexCoord4f( 0.5, 0.0, 0.2, 0.5 );
+         glVertex2f( 0.8, -0.8 );
+
+         glTexCoord4f( 0.5, 0.5, 0.5, 0.5 );
+         glVertex2f( 0.8, 0.8 );
+
+         glTexCoord4f( 0.0, 0.5, 0.5, 0.5 );
+         glVertex2f( -0.8, 0.8 );
+         glEnd();
+         break;
+      case 1:
+         glTranslatef( -0.8, -0.8, 0.0 );
+         glScalef( 1.6, 1.6, 1.0 );
+         /* make sure that texgen R/Q and non-texgen S/T coordinates are wrong */
+         glTexGeni( GL_S, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR );
+         glTexGeni( GL_T, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR );
+         glTexGeni( GL_R, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR );
+         glTexGeni( GL_Q, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR );
+         glTexGenfv(GL_S, GL_OBJECT_PLANE, ObjPlaneS2);
+         glTexGenfv(GL_T, GL_OBJECT_PLANE, ObjPlaneT2);
+         glTexGenfv(GL_R, GL_OBJECT_PLANE, ObjPlaneR);
+         glTexGenfv(GL_Q, GL_OBJECT_PLANE, ObjPlaneQ);
+
+         glEnable( GL_TEXTURE_GEN_S );
+         glEnable( GL_TEXTURE_GEN_T );
+         glEnable( GL_TEXTURE_GEN_R );
+         glEnable( GL_TEXTURE_GEN_Q );
+
+         glBegin( GL_QUADS );
+         glVertex2f( 0.0, 0.0 );
+         glVertex2f( 1.0, 0.0 );
+         glVertex2f( 1.0, 1.0 );
+         glVertex2f( 0.0, 1.0 );
+         glEnd();
+         break;
+      case 2:
+         glTranslatef( -0.8, -0.8, 0.0 );
+         glScalef( 1.6, 1.6, 1.0 );
+         /* make sure that texgen R/Q and non-texgen S/T coordinates are wrong */
+         glTexGeni( GL_S, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR );
+         glTexGeni( GL_T, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR );
+         glTexGeni( GL_R, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR );
+         glTexGeni( GL_Q, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR );
+         glTexGenfv(GL_S, GL_OBJECT_PLANE, ObjPlaneS2);
+         glTexGenfv(GL_T, GL_OBJECT_PLANE, ObjPlaneT2);
+         glTexGenfv(GL_R, GL_OBJECT_PLANE, nullPlane);
+         glTexGenfv(GL_Q, GL_OBJECT_PLANE, nullPlane);
+
+         glEnable( GL_TEXTURE_GEN_S );
+         glEnable( GL_TEXTURE_GEN_T );
+
+         glBegin( GL_QUADS );
+         glTexCoord4f( 0.0, 0.0, 0.0, 0.5 );
+         glVertex2f( 0.0, 0.0 );
+
+         glTexCoord4f( 0.0, 0.0, 0.2, 0.5 );
+         glVertex2f( 1.0, 0.0 );
+
+         glTexCoord4f( 0.0, 0.0, 0.5, 0.5 );
+         glVertex2f( 1.0, 1.0 );
+
+         glTexCoord4f( 0.0, 0.0, 0.75, 0.5 );
+         glVertex2f( 0.0, 1.0 );
+         glEnd();
+         break;
+      }
+      break;
+   }
+
+   glPopMatrix();
+   glDisable( GL_TEXTURE_2D );
+
+}
+
+static void display( void )
+{
+   int		numX = 3, numY = 3;
+   float	xBase = (float) winWidth * 0.01;
+   float	xOffset = (winWidth - xBase) / numX;
+   float	xSize = max( xOffset - xBase, 1 );
+   float	yBase = (float) winHeight * 0.01;
+   float	yOffset = (winHeight - yBase) / numY;
+   float	ySize = max( yOffset - yBase, 1 );
+   float	x, y;
+   int		i, j;
+
+   glViewport( 0, 0, winWidth, winHeight );
+   glDisable( GL_SCISSOR_TEST );
+   glClearColor( 0.0, 0.0, 0.0, 0.0 );
+   glClear( GL_COLOR_BUFFER_BIT );
+   glEnable( GL_SCISSOR_TEST );
+
+   x = xBase;
+   y = (winHeight - 1) - yOffset;
+
+   for ( i = 0 ; i < numY ; i++ )
+   {
+
+      labelInfoColor = labelColor1;
+
+
+      for ( j = 0 ; j < numX ; j++ ) {
+	 drawSample( x, y, xSize, ySize, i, j+2 );
+	 x += xOffset;
+      }
+
+      x = xBase;
+      y -= yOffset;
+   }
+
+   if ( doubleBuffered ) {
+      glutSwapBuffers();
+   } else {
+      glFlush();
+   }
+
+   checkErrors();
+}
+
+static void usage( char *name )
+{
+   fprintf( stderr, "usage: %s [ options ]\n", name );
+   fprintf( stderr, "\n" );
+   fprintf( stderr, "options:\n" );
+   fprintf( stderr, "    -sb    single buffered\n" );
+   fprintf( stderr, "    -db    double buffered\n" );
+   fprintf( stderr, "    -info  print OpenGL driver info\n" );
+}
+
+static void instructions( void )
+{
+   fprintf( stderr, "texgenmix - mixed texgen/non-texgen texture coordinate test\n" );
+   fprintf( stderr, "all quads should look the same!\n" );
+   fprintf( stderr, "\n" );
+   fprintf( stderr, "  [t] - toggle texturing\n" );
+}
+
+int main( int argc, char *argv[] )
+{
+   GLboolean info = GL_FALSE;
+   int i;
+
+   glutInit( &argc, argv );
+
+   for ( i = 1 ; i < argc ; i++ ) {
+      if ( !strcmp( "-sb", argv[i] ) ) {
+	 doubleBuffered = GL_FALSE;
+      } else if ( !strcmp( "-db", argv[i] ) ) {
+	 doubleBuffered = GL_TRUE;
+      } else if ( !strcmp( "-info", argv[i] ) ) {
+	 info = GL_TRUE;
+      } else {
+	 usage( argv[0] );
+	 exit( 1 );
+      }
+   }
+
+   if ( doubleBuffered ) {
+      glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
+   } else {
+      glutInitDisplayMode( GLUT_RGB | GLUT_SINGLE );
+   }
+
+   glutInitWindowSize( winWidth, winHeight );
+   glutInitWindowPosition( 0, 0 );
+   glutCreateWindow( "Mixed texgen/non-texgen texture coordinate test" );
+
+   initialize();
+   instructions();
+
+   if ( info ) {
+      printf( "\n" );
+      printf( "GL_RENDERER   = %s\n", (char *) glGetString( GL_RENDERER ) );
+      printf( "GL_VERSION    = %s\n", (char *) glGetString( GL_VERSION ) );
+      printf( "GL_VENDOR     = %s\n", (char *) glGetString( GL_VENDOR ) ) ;
+      printf( "GL_EXTENSIONS = %s\n", (char *) glGetString( GL_EXTENSIONS ) );
+   }
+
+   glutDisplayFunc( display );
+   glutReshapeFunc( reshape );
+   glutKeyboardFunc( keyboard );
+   glutSpecialFunc( special );
+   glutMainLoop();
+
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/texline.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/texline.c
new file mode 100644
index 000000000..3d59d9ac2
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/texline.c
@@ -0,0 +1,269 @@
+/* $Id: texline.c,v 1.5 2004/01/28 10:07:48 keithw Exp $ */
+
+/*
+ * Test textured lines.
+ *
+ * Brian Paul
+ * September 2000
+ */
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <GL/glut.h>
+#include "../util/readtex.c"   /* I know, this is a hack. */
+
+#define TEXTURE_FILE "../images/girl.rgb"
+
+static GLboolean Antialias = GL_FALSE;
+static GLboolean Animate = GL_FALSE;
+static GLint Texture = 1;
+static GLboolean Stipple = GL_FALSE;
+static GLfloat LineWidth = 1.0;
+
+static GLfloat Xrot = -60.0, Yrot = 0.0, Zrot = 0.0;
+static GLfloat DYrot = 1.0;
+static GLboolean Points = GL_FALSE;
+static GLfloat Scale = 1.0;
+
+static void Idle( void )
+{
+   if (Animate) {
+      Zrot += DYrot;
+      glutPostRedisplay();
+   }
+}
+
+
+static void Display( void )
+{
+   GLfloat x, y, s, t;
+
+   glClear( GL_COLOR_BUFFER_BIT );
+
+   glPushMatrix();
+   glRotatef(Xrot, 1.0, 0.0, 0.0);
+   glRotatef(Yrot, 0.0, 1.0, 0.0);
+   glRotatef(Zrot, 0.0, 0.0, 1.0);
+   glScalef(Scale, Scale, Scale);
+
+   if (Texture)
+      glColor3f(1, 1, 1);
+
+   if (Points) {
+      glBegin(GL_POINTS);
+      for (t = 0.0; t <= 1.0; t += 0.025) {
+         for (s = 0.0; s <= 1.0; s += 0.025) {
+            x = s * 2.0 - 1.0;
+            y = t * 2.0 - 1.0;
+            if (!Texture)
+               glColor3f(1, 0, 1);
+            glMultiTexCoord2fARB(GL_TEXTURE1_ARB, t, s);
+            glTexCoord2f(s, t);
+            glVertex2f(x, y);
+         }
+      }
+      glEnd();
+   }
+   else {
+      glBegin(GL_LINES);
+      for (t = 0.0; t <= 1.0; t += 0.025) {
+         x = t * 2.0 - 1.0;
+         if (!Texture)
+            glColor3f(1, 0, 1);
+         glTexCoord2f(t, 0.0);
+         glMultiTexCoord2fARB(GL_TEXTURE1_ARB, 0.0, t);
+         glVertex2f(x, -1.0);
+         if (!Texture)
+            glColor3f(0, 1, 0);
+         glTexCoord2f(t, 1.0);
+         glMultiTexCoord2fARB(GL_TEXTURE1_ARB, 1.0, t);
+         glVertex2f(x, 1.0);
+      }
+      glEnd();
+   }
+
+   glPopMatrix();
+
+   glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+   GLfloat ar = (float) width / height;
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glFrustum( -ar, ar, -1.0, 1.0, 10.0, 100.0 );
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   glTranslatef( 0.0, 0.0, -12.0 );
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 'a':
+         Antialias = !Antialias;
+         if (Antialias) {
+            glEnable(GL_LINE_SMOOTH);
+            glEnable(GL_POINT_SMOOTH);
+            glEnable(GL_BLEND);
+            glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+         }
+         else {
+            glDisable(GL_LINE_SMOOTH);
+            glDisable(GL_POINT_SMOOTH);
+            glDisable(GL_BLEND);
+         }
+         break;
+      case 't':
+         Texture++;
+         if (Texture > 2)
+            Texture = 0;
+         if (Texture == 0) {
+            glActiveTextureARB(GL_TEXTURE0_ARB);
+            glDisable(GL_TEXTURE_2D);
+            glActiveTextureARB(GL_TEXTURE1_ARB);
+            glDisable(GL_TEXTURE_2D);
+         }
+         else if (Texture == 1) {
+            glActiveTextureARB(GL_TEXTURE0_ARB);
+            glEnable(GL_TEXTURE_2D);
+            glActiveTextureARB(GL_TEXTURE1_ARB);
+            glDisable(GL_TEXTURE_2D);
+         }
+         else {
+            glActiveTextureARB(GL_TEXTURE0_ARB);
+            glEnable(GL_TEXTURE_2D);
+            glActiveTextureARB(GL_TEXTURE1_ARB);
+            glEnable(GL_TEXTURE_2D);
+         }
+         break;
+      case 'w':
+         LineWidth -= 0.25;
+         if (LineWidth < 0.25)
+            LineWidth = 0.25;
+         glLineWidth(LineWidth);
+         glPointSize(LineWidth);
+         break;
+      case 'W':
+         LineWidth += 0.25;
+         if (LineWidth > 8.0)
+            LineWidth = 8.0;
+         glLineWidth(LineWidth);
+         glPointSize(LineWidth);
+         break;
+      case 'p':
+         Points = !Points;
+         break;
+      case 's':
+         Stipple = !Stipple;
+         if (Stipple)
+            glEnable(GL_LINE_STIPPLE);
+         else
+            glDisable(GL_LINE_STIPPLE);
+         break;
+      case ' ':
+         Animate = !Animate;
+         if (Animate)
+            glutIdleFunc(Idle);
+         else
+            glutIdleFunc(NULL);
+         break;
+      case 27:
+         exit(0);
+         break;
+   }
+   printf("LineWidth, PointSize = %f\n", LineWidth);
+   glutPostRedisplay();
+}
+
+
+static void SpecialKey( int key, int x, int y )
+{
+   float step = 3.0;
+   (void) x;
+   (void) y;
+
+   switch (key) {
+      case GLUT_KEY_UP:
+         Xrot += step;
+         break;
+      case GLUT_KEY_DOWN:
+         Xrot -= step;
+         break;
+      case GLUT_KEY_LEFT:
+         Yrot += step;
+         break;
+      case GLUT_KEY_RIGHT:
+         Yrot -= step;
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void Init( int argc, char *argv[] )
+{
+   GLuint u;
+   for (u = 0; u < 2; u++) {
+      glActiveTextureARB(GL_TEXTURE0_ARB + u);
+      glBindTexture(GL_TEXTURE_2D, 10+u);
+      if (u == 0)
+         glEnable(GL_TEXTURE_2D);
+      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+
+      if (u == 0)
+         glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+      else
+         glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_ADD);
+
+      glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+      if (!LoadRGBMipmaps(TEXTURE_FILE, GL_RGB)) {
+         printf("Error: couldn't load texture image\n");
+         exit(1);
+      }
+   }
+
+   glLineStipple(1, 0xff);
+
+   if (argc > 1 && strcmp(argv[1], "-info")==0) {
+      printf("GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+      printf("GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+      printf("GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+      printf("GL_EXTENSIONS = %s\n", (char *) glGetString(GL_EXTENSIONS));
+   }
+}
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowPosition(0, 0);
+   glutInitWindowSize( 400, 300 );
+
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
+
+   glutCreateWindow(argv[0] );
+
+   Init(argc, argv);
+
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutSpecialFunc( SpecialKey );
+   glutDisplayFunc( Display );
+   if (Animate)
+      glutIdleFunc( Idle );
+
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/texobjshare.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/texobjshare.c
new file mode 100644
index 000000000..2b31cb6c4
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/texobjshare.c
@@ -0,0 +1,219 @@
+/*
+ * Create several OpenGL rendering contexts, sharing textures, display
+ * lists, etc.  Exercise binding, deleting, etc.
+ *
+ * Brian Paul
+ * 21 December 2004
+ */
+
+
+#include <GL/gl.h>
+#include <GL/glx.h>
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <X11/keysym.h>
+
+
+/*
+ * Each display/window/context:
+ */
+struct context {
+   char DisplayName[1000];
+   Display *Dpy;
+   Window Win;
+   GLXContext Context;
+};
+
+
+#define MAX_CONTEXTS 200
+static struct context Contexts[MAX_CONTEXTS];
+static int NumContexts = 0;
+
+
+static void
+Error(const char *display, const char *msg)
+{
+   fprintf(stderr, "Error on display %s - %s\n", display, msg);
+   exit(1);
+}
+
+
+static struct context *
+CreateContext(const char *displayName, const char *name)
+{
+   Display *dpy;
+   Window win;
+   GLXContext ctx;
+   int attrib[] = { GLX_RGBA,
+		    GLX_RED_SIZE, 1,
+		    GLX_GREEN_SIZE, 1,
+		    GLX_BLUE_SIZE, 1,
+		    GLX_DOUBLEBUFFER,
+		    None };
+   int scrnum;
+   XSetWindowAttributes attr;
+   unsigned long mask;
+   Window root;
+   XVisualInfo *visinfo;
+   int width = 90, height = 90;
+   int xpos = 0, ypos = 0;
+
+   if (NumContexts >= MAX_CONTEXTS)
+      return NULL;
+
+   dpy = XOpenDisplay(displayName);
+   if (!dpy) {
+      Error(displayName, "Unable to open display");
+      return NULL;
+   }
+
+   scrnum = DefaultScreen(dpy);
+   root = RootWindow(dpy, scrnum);
+
+   visinfo = glXChooseVisual(dpy, scrnum, attrib);
+   if (!visinfo) {
+      Error(displayName, "Unable to find RGB, double-buffered visual");
+      return NULL;
+   }
+
+   /* window attributes */
+   xpos = (NumContexts % 10) * 100;
+   ypos = (NumContexts / 10) * 100;
+   attr.background_pixel = 0;
+   attr.border_pixel = 0;
+   attr.colormap = XCreateColormap(dpy, root, visinfo->visual, AllocNone);
+   attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask;
+   mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
+
+   win = XCreateWindow(dpy, root, xpos, ypos, width, height,
+		        0, visinfo->depth, InputOutput,
+		        visinfo->visual, mask, &attr);
+   if (!win) {
+      Error(displayName, "Couldn't create window");
+      return NULL;
+   }
+
+   {
+      XSizeHints sizehints;
+      sizehints.x = xpos;
+      sizehints.y = ypos;
+      sizehints.width  = width;
+      sizehints.height = height;
+      sizehints.flags = USSize | USPosition;
+      XSetNormalHints(dpy, win, &sizehints);
+      XSetStandardProperties(dpy, win, name, name,
+                              None, (char **)NULL, 0, &sizehints);
+   }
+
+   if (NumContexts == 0) {
+      ctx = glXCreateContext(dpy, visinfo, NULL, True);
+   }
+   else {
+      /* share textures & dlists with 0th context */
+      ctx = glXCreateContext(dpy, visinfo, Contexts[0].Context, True);
+   }
+   if (!ctx) {
+      Error(displayName, "Couldn't create GLX context");
+      return NULL;
+   }
+
+   XMapWindow(dpy, win);
+
+   if (!glXMakeCurrent(dpy, win, ctx)) {
+      Error(displayName, "glXMakeCurrent failed");
+      return NULL;
+   }
+
+   if (NumContexts == 0) {
+      printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
+   }
+
+   /* save the info for this context */
+   {
+      struct context *h = &Contexts[NumContexts];
+      strcpy(h->DisplayName, name);
+      h->Dpy = dpy;
+      h->Win = win;
+      h->Context = ctx;
+      NumContexts++;
+      return &Contexts[NumContexts-1];
+   }
+}
+
+
+static void
+MakeCurrent(int i)
+{
+   if (!glXMakeCurrent(Contexts[i].Dpy, Contexts[i].Win, Contexts[i].Context)) {
+      fprintf(stderr, "glXMakeCurrent failed!\n");
+   }
+}
+
+
+
+static void
+DestroyContext(int i)
+{
+   XDestroyWindow(Contexts[i].Dpy, Contexts[i].Win);
+   glXDestroyContext(Contexts[i].Dpy, Contexts[i].Context);
+   XCloseDisplay(Contexts[i].Dpy);
+}
+
+
+int
+main(int argc, char *argv[])
+{
+   char *dpyName = NULL;
+   int i;
+   GLuint t;
+   GLint tb;
+
+   for (i = 0; i < 2; i++) {
+      CreateContext(dpyName, "context");
+   }
+
+   /* Create texture and bind it in context 0 */
+   MakeCurrent(0);
+   glGenTextures(1, &t);
+   printf("Generated texture ID %u\n", t);
+   assert(!glIsTexture(t));
+   glBindTexture(GL_TEXTURE_2D, t);
+   assert(glIsTexture(t));
+   glGetIntegerv(GL_TEXTURE_BINDING_2D, &tb);
+   assert(tb == t);
+
+   /* Bind texture in context 1 */
+   MakeCurrent(1);
+   assert(glIsTexture(t));
+   glBindTexture(GL_TEXTURE_2D, t);
+   glGetIntegerv(GL_TEXTURE_BINDING_2D, &tb);
+   assert(tb == t);
+
+   /* Delete texture from context 0 */
+   MakeCurrent(0);
+   glDeleteTextures(1, &t);
+   assert(!glIsTexture(t));
+   glGetIntegerv(GL_TEXTURE_BINDING_2D, &tb);
+   printf("After delete, binding = %d\n", tb);
+
+   /* Check texture state from context 1 */
+   MakeCurrent(1);
+   assert(!glIsTexture(t));
+   glGetIntegerv(GL_TEXTURE_BINDING_2D, &tb);
+   printf("In second context, binding = %d\n", tb);
+   glBindTexture(GL_TEXTURE_2D, 0);
+   glGetIntegerv(GL_TEXTURE_BINDING_2D, &tb);
+   assert(tb == 0);
+   
+
+   for (i = 0; i < NumContexts; i++) {
+      DestroyContext(i);
+   }
+
+   printf("Success!\n");
+
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/texrect.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/texrect.c
new file mode 100644
index 000000000..61c1fdd6b
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/texrect.c
@@ -0,0 +1,360 @@
+/* $Id: texrect.c,v 1.5 2004/05/06 20:27:32 brianp Exp $ */
+
+/* GL_NV_texture_rectangle test
+ *
+ * Brian Paul
+ * 14 June 2002
+ */
+
+
+#define GL_GLEXT_PROTOTYPES
+#include <math.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <GL/glut.h>
+#include "readtex.h"
+
+#define TEXTURE_0_FILE "../images/girl.rgb"
+#define TEXTURE_1_FILE "../images/reflect.rgb"
+
+#define TEX0 1
+#define TEX7 8
+#define ANIMATE 10
+#define CLAMP 20
+#define CLAMP_TO_EDGE 21
+#define CLAMP_TO_BORDER 22
+#define LINEAR_FILTER 30
+#define NEAREST_FILTER 31
+#define QUIT 100
+
+static GLboolean Animate = GL_FALSE;
+static GLint NumUnits = 2;
+static GLboolean TexEnabled[8];
+static GLint Width[8], Height[8];  /* image sizes */
+static GLenum Format[8];
+
+static GLfloat Xrot = 00.0, Yrot = 00.0, Zrot = 0.0;
+
+
+static void Idle( void )
+{
+   Zrot = glutGet(GLUT_ELAPSED_TIME) * 0.01;
+   glutPostRedisplay();
+}
+
+
+static void DrawObject(void)
+{
+   GLint i;
+   GLfloat d = 10;  /* so we can see how borders are handled */
+
+   glColor3f(.1, .1, .1);  /* modulate this */
+
+   glPushMatrix();
+
+      glRotatef(Zrot, 0, 0, 1);
+
+      glBegin(GL_QUADS);
+
+      for (i = 0; i < NumUnits; i++)
+         glMultiTexCoord2fARB(GL_TEXTURE0_ARB + i, -d, -d);
+      glVertex2f(-1.0, -1.0);
+
+      for (i = 0; i < NumUnits; i++)
+         glMultiTexCoord2fARB(GL_TEXTURE0_ARB + i, Width[i]+d, -d);
+      glVertex2f(1.0, -1.0);
+
+      for (i = 0; i < NumUnits; i++)
+         glMultiTexCoord2fARB(GL_TEXTURE0_ARB + i, Width[i]+d, Height[i]+d);
+      glVertex2f(1.0, 1.0);
+
+      for (i = 0; i < NumUnits; i++)
+         glMultiTexCoord2fARB(GL_TEXTURE0_ARB + i, -d, Height[i]+d);
+      glVertex2f(-1.0, 1.0);
+
+      glEnd();
+   glPopMatrix();
+}
+
+
+static void Display( void )
+{
+   glClear( GL_COLOR_BUFFER_BIT );
+
+   glPushMatrix();
+      glRotatef(Xrot, 1.0, 0.0, 0.0);
+      glRotatef(Yrot, 0.0, 1.0, 0.0);
+      glRotatef(Zrot, 0.0, 0.0, 1.0);
+      glScalef(5.0, 5.0, 5.0);
+      DrawObject();
+   glPopMatrix();
+
+   glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glFrustum( -1.0, 1.0, -1.0, 1.0, 5.0, 100.0 );
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   glTranslatef( 0.0, 0.0, -35.0 );
+}
+
+
+static void ModeMenu(int entry)
+{
+   GLint i;
+   if (entry >= TEX0 && entry < TEX0 + NumUnits) {
+      /* toggle */
+      i = entry - TEX0;
+      TexEnabled[i] = !TexEnabled[i];
+      glActiveTextureARB(GL_TEXTURE0_ARB + i);
+      if (TexEnabled[i]) {
+         glEnable(GL_TEXTURE_RECTANGLE_NV);
+      }
+      else {
+         glDisable(GL_TEXTURE_RECTANGLE_NV);
+      }
+      printf("Enabled: ");
+      for (i = 0; i < NumUnits; i++)
+         printf("%d ", (int) TexEnabled[i]);
+      printf("\n");
+   }
+   else if (entry==ANIMATE) {
+      Animate = !Animate;
+      if (Animate)
+         glutIdleFunc(Idle);
+      else
+         glutIdleFunc(NULL);
+   }
+   else if (entry==CLAMP) {
+      for (i = 0; i < NumUnits; i++) {
+         glActiveTextureARB(GL_TEXTURE0_ARB + i);
+         glTexParameteri(GL_TEXTURE_RECTANGLE_NV, GL_TEXTURE_WRAP_S, GL_CLAMP);
+         glTexParameteri(GL_TEXTURE_RECTANGLE_NV, GL_TEXTURE_WRAP_T, GL_CLAMP);
+      }
+   }
+   else if (entry==CLAMP_TO_EDGE) {
+      for (i = 0; i < NumUnits; i++) {
+         glActiveTextureARB(GL_TEXTURE0_ARB + i);
+         glTexParameteri(GL_TEXTURE_RECTANGLE_NV, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+         glTexParameteri(GL_TEXTURE_RECTANGLE_NV, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+      }
+   }
+   else if (entry==CLAMP_TO_BORDER) {
+      for (i = 0; i < NumUnits; i++) {
+         glActiveTextureARB(GL_TEXTURE0_ARB + i);
+         glTexParameteri(GL_TEXTURE_RECTANGLE_NV, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_BORDER);
+         glTexParameteri(GL_TEXTURE_RECTANGLE_NV, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_BORDER);
+      }
+   }
+   else if (entry==NEAREST_FILTER) {
+      for (i = 0; i < NumUnits; i++) {
+         glActiveTextureARB(GL_TEXTURE0_ARB + i);
+         glTexParameteri(GL_TEXTURE_RECTANGLE_NV, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+         glTexParameteri(GL_TEXTURE_RECTANGLE_NV, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+      }
+   }
+   else if (entry==LINEAR_FILTER) {
+      for (i = 0; i < NumUnits; i++) {
+         glActiveTextureARB(GL_TEXTURE0_ARB + i);
+         glTexParameteri(GL_TEXTURE_RECTANGLE_NV, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+         glTexParameteri(GL_TEXTURE_RECTANGLE_NV, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+      }
+   }
+
+   else if (entry==QUIT) {
+      exit(0);
+   }
+
+   glutPostRedisplay();
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 'z':
+         Zrot -= 1.0;
+         break;
+      case 'Z':
+         Zrot += 1.0;
+         break;
+      case 'a':
+         Animate = !Animate;
+         if (Animate)
+            glutIdleFunc(Idle);
+         else
+            glutIdleFunc(NULL);
+         break;
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void SpecialKey( int key, int x, int y )
+{
+   float step = 3.0;
+   (void) x;
+   (void) y;
+
+   switch (key) {
+      case GLUT_KEY_UP:
+         Xrot += step;
+         break;
+      case GLUT_KEY_DOWN:
+         Xrot -= step;
+         break;
+      case GLUT_KEY_LEFT:
+         Yrot += step;
+         break;
+      case GLUT_KEY_RIGHT:
+         Yrot -= step;
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void Init( int argc, char *argv[] )
+{
+   const GLenum wrap = GL_CLAMP;
+   GLuint texObj[8];
+   GLint size, i;
+
+   if (!glutExtensionSupported("GL_ARB_multitexture")) {
+      printf("Sorry, GL_ARB_multitexture needed by this program\n");
+      exit(1);
+   }
+
+   if (!glutExtensionSupported("GL_NV_texture_rectangle")) {
+      printf("Sorry, GL_NV_texture_rectangle needed by this program\n");
+      exit(1);
+   }
+
+   glGetIntegerv(GL_MAX_TEXTURE_UNITS_ARB, &NumUnits);
+   printf("%d texture units supported, using 2.\n", NumUnits);
+   if (NumUnits > 2)
+      NumUnits = 2;
+
+   glGetIntegerv(GL_MAX_RECTANGLE_TEXTURE_SIZE_NV, &size);
+   printf("%d x %d max texture rectangle size\n", size, size);
+
+   glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+
+   for (i = 0; i < NumUnits; i++) {
+      TexEnabled[i] = GL_TRUE;
+   }
+
+   /* allocate two texture objects */
+   glGenTextures(NumUnits, texObj);
+
+   /* setup the texture objects */
+   for (i = 0; i < NumUnits; i++) {
+
+      glActiveTextureARB(GL_TEXTURE0_ARB + i);
+
+      glBindTexture(GL_TEXTURE_RECTANGLE_NV, texObj[i]);
+      glTexParameteri(GL_TEXTURE_RECTANGLE_NV,
+                      GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+      glTexParameteri(GL_TEXTURE_RECTANGLE_NV,
+                      GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+      glTexParameteri(GL_TEXTURE_RECTANGLE_NV, GL_TEXTURE_WRAP_S, wrap);
+      glTexParameteri(GL_TEXTURE_RECTANGLE_NV, GL_TEXTURE_WRAP_T, wrap);
+
+      if (i == 0) {
+         GLubyte *img = LoadRGBImage(TEXTURE_0_FILE, &Width[0], &Height[0],
+                                     &Format[0]);
+         if (!img) {
+            printf("Error: couldn't load texture image\n");
+            exit(1);
+         }
+         printf("Texture %d:  %s (%d x %d)\n", i,
+                TEXTURE_0_FILE, Width[0], Height[0]);
+         glTexImage2D(GL_TEXTURE_RECTANGLE_NV, 0, GL_RGB,
+                      Width[0], Height[0], 0,
+                      Format[0], GL_UNSIGNED_BYTE, img);
+      }
+      else {
+         GLubyte *img = LoadRGBImage(TEXTURE_1_FILE, &Width[1], &Height[1],
+                                     &Format[1]);
+         if (!img) {
+            printf("Error: couldn't load texture image\n");
+            exit(1);
+         }
+         printf("Texture %d:  %s (%d x %d)\n", i,
+                TEXTURE_1_FILE, Width[1], Height[1]);
+         glTexImage2D(GL_TEXTURE_RECTANGLE_NV, 0, GL_RGB,
+                      Width[1], Height[1], 0,
+                      Format[1], GL_UNSIGNED_BYTE, img);
+      }
+
+      if (i < 1)
+         glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_ADD);
+      else
+         glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_ADD);
+
+      if (TexEnabled[i])
+         glEnable(GL_TEXTURE_RECTANGLE_NV);
+   }
+
+   glShadeModel(GL_FLAT);
+   glClearColor(0.3, 0.3, 0.4, 1.0);
+
+   if (argc > 1 && strcmp(argv[1], "-info")==0) {
+      printf("GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+      printf("GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+      printf("GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+      printf("GL_EXTENSIONS = %s\n", (char *) glGetString(GL_EXTENSIONS));
+   }
+}
+
+
+int main( int argc, char *argv[] )
+{
+   GLint i;
+
+   glutInit( &argc, argv );
+   glutInitWindowSize( 300, 300 );
+   glutInitWindowPosition( 0, 0 );
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
+   glutCreateWindow(argv[0] );
+
+   Init( argc, argv );
+
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutSpecialFunc( SpecialKey );
+   glutDisplayFunc( Display );
+   if (Animate)
+      glutIdleFunc( Idle );
+
+   glutCreateMenu(ModeMenu);
+
+   for (i = 0; i < NumUnits; i++) {
+      char s[100];
+      sprintf(s, "Toggle Texture %d", i);
+      glutAddMenuEntry(s, TEX0 + i);
+   }
+   glutAddMenuEntry("Toggle Animation", ANIMATE);
+   glutAddMenuEntry("GL_CLAMP", CLAMP);
+   glutAddMenuEntry("GL_CLAMP_TO_EDGE", CLAMP_TO_EDGE);
+   glutAddMenuEntry("GL_CLAMP_TO_BORDER", CLAMP_TO_BORDER);
+   glutAddMenuEntry("GL_NEAREST", NEAREST_FILTER);
+   glutAddMenuEntry("GL_LINEAR", LINEAR_FILTER);
+   glutAddMenuEntry("Quit", QUIT);
+   glutAttachMenu(GLUT_RIGHT_BUTTON);
+
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/texwrap.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/texwrap.c
new file mode 100644
index 000000000..35f5050ef
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/texwrap.c
@@ -0,0 +1,303 @@
+/* $Id: texwrap.c,v 1.7 2003/09/02 19:25:18 idr Exp $ */
+
+/*
+ * Test texture wrap modes.
+ * Press 'b' to toggle texture image borders.  You should see the same
+ * rendering whether or not you're using borders.
+ *
+ * Brian Paul   March 2001
+ */
+
+
+#define GL_GLEXT_PROTOTYPES
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <GL/glut.h>
+
+
+#ifndef GL_CLAMP_TO_BORDER
+#define GL_CLAMP_TO_BORDER 0x812D
+#endif
+
+#ifndef GL_MIRRORED_REPEAT
+#define GL_MIRRORED_REPEAT 0x8370
+#endif
+
+#ifndef GL_EXT_texture_mirror_clamp
+#define GL_MIRROR_CLAMP_EXT               0x8742
+#define GL_MIRROR_CLAMP_TO_EDGE_EXT       0x8743
+#define GL_MIRROR_CLAMP_TO_BORDER_EXT     0x8912
+#endif
+
+#define BORDER_TEXTURE 1
+#define NO_BORDER_TEXTURE 2
+
+#define SIZE 8
+static GLubyte BorderImage[SIZE+2][SIZE+2][4];
+static GLubyte NoBorderImage[SIZE][SIZE][4];
+static GLuint Border = 0;
+
+
+#define WRAP_MODE(m)        { m , # m, GL_TRUE,  1.0, { NULL, NULL } }
+#define WRAP_EXT(m,e1,e2,v) { m , # m, GL_FALSE, v,   { e1,   e2   } }
+    
+struct wrap_mode {
+   GLenum       mode;
+   const char * name;
+   GLboolean    supported;
+   GLfloat      version;
+   const char * extension_names[2];
+};
+
+static struct wrap_mode modes[] = {
+   WRAP_MODE( GL_REPEAT ),
+   WRAP_MODE( GL_CLAMP ),
+   WRAP_EXT ( GL_CLAMP_TO_EDGE,   "GL_EXT_texture_edge_clamp",
+	                          "GL_SGIS_texture_edge_clamp",
+	      1.2 ),
+   WRAP_EXT ( GL_CLAMP_TO_BORDER, "GL_ARB_texture_border_clamp",
+	                          "GL_SGIS_texture_border_clamp",
+	      1.3 ),
+   WRAP_EXT ( GL_MIRRORED_REPEAT, "GL_ARB_texture_mirrored_repeat",
+	                          "GL_IBM_texture_mirrored_repeat",
+	      1.4 ),
+   WRAP_EXT ( GL_MIRROR_CLAMP_EXT, "GL_ATI_texture_mirror_once",
+	                           "GL_EXT_texture_mirror_clamp",
+	      999.0 ),
+   WRAP_EXT ( GL_MIRROR_CLAMP_TO_EDGE_EXT, "GL_ATI_texture_mirror_once",
+	                                   "GL_EXT_texture_mirror_clamp",
+	      999.0 ),
+   WRAP_EXT ( GL_MIRROR_CLAMP_TO_BORDER_EXT, "GL_EXT_texture_mirror_clamp",
+	                                     NULL,
+	      999.0 ),
+   { 0 }
+};
+
+static void
+PrintString(const char *s)
+{
+   while (*s) {
+      glutBitmapCharacter(GLUT_BITMAP_8_BY_13, (int) *s);
+      s++;
+   }
+}
+
+
+static void Display( void )
+{
+   GLenum i, j;
+   GLint offset;
+   GLfloat version;
+
+   /* Fill in the extensions that are supported.
+    */
+    
+   version = atof( (char *) glGetString( GL_VERSION ) );
+   for ( i = 0 ; modes[i].mode != 0 ; i++ ) {
+      if ( ((modes[i].extension_names[0] != NULL)
+	    && glutExtensionSupported(modes[i].extension_names[0]))
+	   || ((modes[i].extension_names[1] != NULL)
+	       && glutExtensionSupported(modes[i].extension_names[1])) ) {
+	 modes[i].supported = GL_TRUE;
+      }
+      else if ( !modes[i].supported && (modes[i].version <= version) ) {
+	 fprintf( stderr, "WARNING: OpenGL library meets minimum version\n"
+		          "         requirement for %s, but the\n"
+		          "         extension string is not advertised.\n"
+		  	  "         (%s%s%s)\n",
+		  modes[i].name,
+		  modes[i].extension_names[0],
+		  (modes[i].extension_names[1] != NULL) 
+		      ? " or " : "",
+		  (modes[i].extension_names[1] != NULL)
+		      ? modes[i].extension_names[1] : "" );
+	 modes[i].supported = GL_TRUE;
+      }
+   }
+
+
+   glClearColor(0.5, 0.5, 0.5, 1.0);
+   glClear( GL_COLOR_BUFFER_BIT );
+
+#if 0
+   /* draw texture as image */
+   glDisable(GL_TEXTURE_2D);
+   glWindowPos2iARB(1, 1);
+   glDrawPixels(6, 6, GL_RGBA, GL_UNSIGNED_BYTE, (void *) TexImage);
+#endif
+
+   glBindTexture(GL_TEXTURE_2D, Border ? BORDER_TEXTURE : NO_BORDER_TEXTURE);
+
+
+   /* loop over min/mag filters */
+   for (i = 0; i < 2; i++) {
+      offset = 0;
+
+      if (i) {
+         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+      }
+      else {
+         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+      }
+
+      /* loop over border modes */
+      for (j = 0; j < modes[j].mode != 0; j++) {
+         const GLfloat x0 = 0, y0 = 0, x1 = 140, y1 = 140;
+         const GLfloat b = 1.2;
+         const GLfloat s0 = -b, t0 = -b, s1 = 1.0+b, t1 = 1.0+b;
+
+	 if ( modes[j].supported != GL_TRUE )
+	     continue;
+
+         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, modes[j].mode);
+         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, modes[j].mode);
+
+         glPushMatrix();
+            glTranslatef(offset * 150 + 10, i * 150 + 40, 0);
+	    offset++;
+
+            glEnable(GL_TEXTURE_2D);
+            glColor3f(1, 1, 1);
+            glBegin(GL_POLYGON);
+            glTexCoord2f(s0, t0);  glVertex2f(x0, y0);
+            glTexCoord2f(s1, t0);  glVertex2f(x1, y0);
+            glTexCoord2f(s1, t1);  glVertex2f(x1, y1);
+            glTexCoord2f(s0, t1);  glVertex2f(x0, y1);
+            glEnd();
+
+            /* draw red outline showing bounds of texture at s=0,1 and t=0,1 */
+            glDisable(GL_TEXTURE_2D);
+            glColor3f(1, 0, 0);
+            glBegin(GL_LINE_LOOP);
+            glVertex2f(x0 + b * (x1-x0) / (s1-s0), y0 + b * (y1-y0) / (t1-t0));
+            glVertex2f(x1 - b * (x1-x0) / (s1-s0), y0 + b * (y1-y0) / (t1-t0));
+            glVertex2f(x1 - b * (x1-x0) / (s1-s0), y1 - b * (y1-y0) / (t1-t0));
+            glVertex2f(x0 + b * (x1-x0) / (s1-s0), y1 - b * (y1-y0) / (t1-t0));
+            glEnd();
+
+         glPopMatrix();
+      }
+   }
+
+   glDisable(GL_TEXTURE_2D);
+   glColor3f(1, 1, 1);
+   offset = 0;
+   for (i = 0; i < modes[i].mode != 0; i++) {
+      if ( modes[i].supported ) {
+         glWindowPos2iARB( offset * 150 + 10, 5 + ((offset & 1) * 15) );
+	 PrintString(modes[i].name);
+	 offset++;
+      }
+   }
+
+   glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glOrtho(0, width, 0, height, -1, 1);
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 'b':
+         Border = !Border;
+         printf("Texture Border Size = %d\n", Border);
+         break;
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void Init( void )
+{
+   static const GLubyte border[4] = { 0, 255, 0, 255 };
+   static const GLfloat borderf[4] = { 0, 1.0, 0, 1.0 };
+   GLint i, j;
+
+   for (i = 0; i < SIZE+2; i++) {
+      for (j = 0; j < SIZE+2; j++) {
+         if (i == 0 || j == 0 || i == SIZE+1 || j == SIZE+1) {
+            /* border color */
+            BorderImage[i][j][0] = border[0];
+            BorderImage[i][j][1] = border[1];
+            BorderImage[i][j][2] = border[2];
+            BorderImage[i][j][3] = border[3];
+         }
+         else if ((i + j) & 1) {
+            /* white */
+            BorderImage[i][j][0] = 255;
+            BorderImage[i][j][1] = 255;
+            BorderImage[i][j][2] = 255;
+            BorderImage[i][j][3] = 255;
+         }
+         else {
+            /* black */
+            BorderImage[i][j][0] = 0;
+            BorderImage[i][j][1] = 0;
+            BorderImage[i][j][2] = 0;
+            BorderImage[i][j][3] = 0;
+         }
+      }
+   }
+
+   glBindTexture(GL_TEXTURE_2D, BORDER_TEXTURE);
+   glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, SIZE+2, SIZE+2, 1,
+                GL_RGBA, GL_UNSIGNED_BYTE, (void *) BorderImage);
+
+   for (i = 0; i < SIZE; i++) {
+      for (j = 0; j < SIZE; j++) {
+         if ((i + j) & 1) {
+            /* white */
+            NoBorderImage[i][j][0] = 255;
+            NoBorderImage[i][j][1] = 255;
+            NoBorderImage[i][j][2] = 255;
+            NoBorderImage[i][j][3] = 255;
+         }
+         else {
+            /* black */
+            NoBorderImage[i][j][0] = 0;
+            NoBorderImage[i][j][1] = 0;
+            NoBorderImage[i][j][2] = 0;
+            NoBorderImage[i][j][3] = 0;
+         }
+      }
+   }
+
+   glBindTexture(GL_TEXTURE_2D, NO_BORDER_TEXTURE);
+   glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, SIZE, SIZE, 0,
+                GL_RGBA, GL_UNSIGNED_BYTE, (void *) NoBorderImage);
+   glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_BORDER_COLOR, borderf);
+}
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( 800, 355 );
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
+   glutCreateWindow(argv[0]);
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutDisplayFunc( Display );
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/vparray.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/vparray.c
new file mode 100644
index 000000000..580a670f8
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/vparray.c
@@ -0,0 +1,294 @@
+/*
+ * Test vertex arrays with GL_NV_vertex_program
+ *
+ * Based on a stripped-down version of the isosurf demo.
+ * The vertex program is trivial: compute the resulting
+ * RGB color as a linear function of vertex XYZ.
+ */
+
+#include <assert.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+#define GL_GLEXT_PROTOTYPES
+#include "GL/glut.h"
+
+#define MAXVERTS 10000
+static float data[MAXVERTS][6];
+static GLint numverts;
+
+static GLfloat xrot;
+static GLfloat yrot;
+static GLboolean useArrays = GL_TRUE;
+static GLboolean useProgram = GL_TRUE;
+static GLboolean useList = GL_FALSE;
+
+
+static void read_surface( char *filename )
+{
+   FILE *f;
+
+   f = fopen(filename,"r");
+   if (!f) {
+      printf("couldn't read %s\n", filename);
+      exit(1);
+   }
+
+   numverts = 0;
+   while (!feof(f) && numverts < MAXVERTS) {
+      fscanf( f, "%f %f %f  %f %f %f",
+	      &data[numverts][0], &data[numverts][1], &data[numverts][2],
+	      &data[numverts][3], &data[numverts][4], &data[numverts][5] );
+      numverts++;
+   }
+   numverts--;
+
+   printf("%d vertices, %d triangles\n", numverts, numverts-2);
+   printf("data = %p\n", (void *) data);
+   fclose(f);
+}
+
+
+
+
+static void Display(void)
+{
+   if (useProgram)
+      glEnable(GL_VERTEX_PROGRAM_NV);
+   else
+      glDisable(GL_VERTEX_PROGRAM_NV);
+
+   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+   glPushMatrix();
+      glRotatef(xrot, 1, 0, 0);
+      glRotatef(yrot, 0, 1, 0);
+      glScalef(2, 2, 2);
+      if (useArrays) {
+         if (useProgram) {
+            glVertexAttribPointerNV( 0, 3, GL_FLOAT, 6 * sizeof(GLfloat), data );
+            glEnableClientState( GL_VERTEX_ATTRIB_ARRAY0_NV );
+            glVertexAttribPointerNV( 2, 3, GL_FLOAT, 6 * sizeof(GLfloat), ((GLfloat *) data) + 3);
+            glEnableClientState( GL_VERTEX_ATTRIB_ARRAY2_NV);
+         }
+         else {
+            glVertexPointer( 3, GL_FLOAT, 6 * sizeof(GLfloat), data );
+            glEnableClientState( GL_VERTEX_ARRAY );
+            glNormalPointer( GL_FLOAT, 6 * sizeof(GLfloat), ((GLfloat *) data) + 3);
+            glEnableClientState( GL_NORMAL_ARRAY );
+         }
+
+         if (useList) {
+            /* dumb, but a good test */
+            glNewList(1,GL_COMPILE);
+            glDrawArrays(GL_TRIANGLE_STRIP, 0, numverts);
+            glEndList();
+            glCallList(1);
+         }
+         else {
+            glDrawArrays(GL_TRIANGLE_STRIP, 0, numverts);
+         }
+
+         glDisableClientState( GL_VERTEX_ATTRIB_ARRAY0_NV );
+         glDisableClientState( GL_VERTEX_ATTRIB_ARRAY2_NV);
+         glDisableClientState( GL_VERTEX_ARRAY );
+         glDisableClientState( GL_NORMAL_ARRAY );
+      }
+      else {
+         int i;
+         glBegin(GL_TRIANGLE_STRIP);
+         for (i = 0; i < numverts; i++) {
+            glNormal3fv( data[i] + 3 );
+            glVertex3fv( data[i] + 0 );
+         }
+         glEnd();
+      }
+   glPopMatrix();
+
+   if (glGetError())
+      printf("Error!\n");
+
+   glutSwapBuffers();
+}
+
+
+static void InitMaterials(void)
+{
+    static float ambient[] = {0.1, 0.1, 0.1, 1.0};
+    static float diffuse[] = {0.5, 1.0, 1.0, 1.0};
+    static float position0[] = {0.0, 0.0, 20.0, 0.0};
+    static float position1[] = {0.0, 0.0, -20.0, 0.0};
+    static float front_mat_shininess[] = {60.0};
+    static float front_mat_specular[] = {0.2, 0.2, 0.2, 1.0};
+    static float front_mat_diffuse[] = {0.5, 0.28, 0.38, 1.0};
+    /*
+    static float back_mat_shininess[] = {60.0};
+    static float back_mat_specular[] = {0.5, 0.5, 0.2, 1.0};
+    static float back_mat_diffuse[] = {1.0, 1.0, 0.2, 1.0};
+    */
+    static float lmodel_ambient[] = {1.0, 1.0, 1.0, 1.0};
+    static float lmodel_twoside[] = {GL_FALSE};
+
+    glLightfv(GL_LIGHT0, GL_AMBIENT, ambient);
+    glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse);
+    glLightfv(GL_LIGHT0, GL_POSITION, position0);
+    glEnable(GL_LIGHT0);
+
+    glLightfv(GL_LIGHT1, GL_AMBIENT, ambient);
+    glLightfv(GL_LIGHT1, GL_DIFFUSE, diffuse);
+    glLightfv(GL_LIGHT1, GL_POSITION, position1);
+    glEnable(GL_LIGHT1);
+
+    glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
+    glLightModelfv(GL_LIGHT_MODEL_TWO_SIDE, lmodel_twoside);
+
+    glMaterialfv(GL_FRONT_AND_BACK, GL_SHININESS, front_mat_shininess);
+    glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, front_mat_specular);
+    glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, front_mat_diffuse);
+    glEnable(GL_LIGHTING);
+}
+
+
+static void init_program(void)
+{
+   /*
+    * c[0..3] = modelview matrix
+    * c[4..7] = inverse modelview matrix
+    * c[30] = color scale
+    * c[31] = color bias
+    */
+   static const char prog[] = 
+      "!!VP1.0\n"
+
+      "# RGB is proportional to XYZ \n"
+
+      "MUL R0, v[OPOS], c[30]; \n"
+      "ADD o[COL0], R0, c[31]; \n"
+
+      "# Continue with typical modelview/projection\n"
+      "MOV R3, v[OPOS]; \n"
+      "DP4   o[HPOS].x, c[0], R3 ;	# object x MVP -> clip\n"
+      "DP4   o[HPOS].y, c[1], R3 ;\n"
+      "DP4   o[HPOS].z, c[2], R3 ;\n"
+      "DP4   o[HPOS].w, c[3], R3 ;\n"
+
+      "END";
+
+   static const GLfloat scale[4] = {2.0, 2.0, 2.0, 0.0};
+   static const GLfloat bias[4] = {1.0, 1.0, 1.0, 0.0};
+
+   if (!glutExtensionSupported("GL_NV_vertex_program")) {
+      printf("Sorry, this program requires GL_NV_vertex_program");
+      exit(1);
+   }
+
+   glLoadProgramNV(GL_VERTEX_PROGRAM_NV, 1,
+                   strlen(prog), (const GLubyte *) prog);
+   assert(glIsProgramNV(1));
+   glBindProgramNV(GL_VERTEX_PROGRAM_NV, 1);
+
+   /* Load the program registers */
+   glTrackMatrixNV(GL_VERTEX_PROGRAM_NV, 0, GL_MODELVIEW_PROJECTION_NV, GL_IDENTITY_NV);
+   glTrackMatrixNV(GL_VERTEX_PROGRAM_NV, 4, GL_MODELVIEW, GL_INVERSE_TRANSPOSE_NV);
+
+   glProgramParameter4fvNV(GL_VERTEX_PROGRAM_NV, 30, scale);
+   glProgramParameter4fvNV(GL_VERTEX_PROGRAM_NV, 31, bias);
+}
+
+
+static void init(void)
+{
+   xrot = 0;
+   yrot = 0;
+   glClearColor(0.0, 0.0, 1.0, 0.0);
+   glEnable( GL_DEPTH_TEST );
+   glEnable(GL_NORMALIZE);
+   InitMaterials();
+   read_surface( "../demos/isosurf.dat" );
+   init_program();
+}
+
+
+static void Reshape(int width, int height)
+{
+   glViewport(0, 0, (GLint)width, (GLint)height);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glFrustum( -1.0, 1.0, -1.0, 1.0, 5, 25 );
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glTranslatef(0, 0, -15);
+}
+
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+   case 27:
+      exit(0);
+   case 'a':
+      useArrays = !useArrays;
+      printf("use arrays: %s\n", useArrays ? "yes" : "no");
+      break;
+   case 'l':
+      useList = !useList;
+      printf("use list: %s\n", useList ? "yes" : "no");
+      break;
+   case 'p':
+      useProgram = !useProgram;
+      printf("use program: %s\n", useProgram ? "yes" : "no");
+      break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void SpecialKey( int key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+   case GLUT_KEY_LEFT:
+      yrot -= 15.0;
+      break;
+   case GLUT_KEY_RIGHT:
+      yrot += 15.0;
+      break;
+   case GLUT_KEY_UP:
+      xrot += 15.0;
+      break;
+   case GLUT_KEY_DOWN:
+      xrot -= 15.0;
+      break;
+   default:
+      return;
+   }
+   glutPostRedisplay();
+}
+
+
+
+int main(int argc, char **argv)
+{
+   glutInit(&argc, argv);
+   glutInitDisplayMode( GLUT_DEPTH | GLUT_RGB | GLUT_DOUBLE );
+   glutInitWindowPosition(0, 0);
+   glutInitWindowSize(400, 400);
+   if (glutCreateWindow("Isosurface") <= 0) {
+      exit(0);
+   }
+   glutReshapeFunc(Reshape);
+   glutKeyboardFunc(Key);
+   glutSpecialFunc(SpecialKey);
+   glutDisplayFunc(Display);
+
+   init();
+
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/vpeval.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/vpeval.c
new file mode 100644
index 000000000..8b6996d3b
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/vpeval.c
@@ -0,0 +1,231 @@
+/*
+ * Vertex program evaluators test.
+ * Based on book/bezmesh.c
+ *
+ * Brian Paul
+ * 22 June 2002
+ */
+
+#include <assert.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+
+
+/*
+ * Transform position by modelview/projection.
+ * Square incoming color.
+ */
+static const char prog[] = 
+"!!VP1.0\n"
+
+"# Typical modelview/projection\n"
+"DP4   o[HPOS].x, c[0], v[OPOS] ;	# object x MVP -> clip\n"
+"DP4   o[HPOS].y, c[1], v[OPOS] ;\n"
+"DP4   o[HPOS].z, c[2], v[OPOS] ;\n"
+"DP4   o[HPOS].w, c[3], v[OPOS] ;\n"
+
+"MOV   R0, v[COL0];\n       # square the color\n"
+"MUL   R0, R0, R0;\n"
+"MOV   o[COL0], R0;\n       # store output color\n"
+
+"END";
+
+
+static int program = 1;
+
+
+GLfloat ctrlpoints[4][4][4] =
+{
+    {
+        {-1.5, -1.5, 4.0, 1.0},
+        {-0.5, -1.5, 2.0, 1.0},
+        {0.5, -1.5, -1.0, 1.0},
+        {1.5, -1.5, 2.0, 1.0}},
+    {
+        {-1.5, -0.5, 1.0, 1.0},
+        {-0.5, -0.5, 3.0, 1.0},
+        {0.5, -0.5, 0.0, 1.0},
+        {1.5, -0.5, -1.0, 1.0}},
+    {
+        {-1.5, 0.5, 4.0, 1.0},
+        {-0.5, 0.5, 0.0, 1.0},
+        {0.5, 0.5, 3.0, 1.0},
+        {1.5, 0.5, 4.0, 1.0}},
+    {
+        {-1.5, 1.5, -2.0, 1.0},
+        {-0.5, 1.5, -2.0, 1.0},
+        {0.5, 1.5, 0.0, 1.0},
+        {1.5, 1.5, -1.0, 1.0}}
+};
+
+/*
+ * +-------------+
+ * |green        |yellow
+ * |             |
+ * |             |
+ * |black        |red
+ * +-------------+
+ */
+GLfloat colorPoints[4][4][4] =
+{
+    {
+        {0.0, 0.0, 0.0, 1.0},
+        {0.3, 0.0, 0.0, 1.0},
+        {0.6, 0.0, 0.0, 1.0},
+        {1.0, 0.0, 0.0, 1.0}},
+    {
+        {0.0, 0.3, 0.0, 1.0},
+        {0.3, 0.3, 0.0, 1.0},
+        {0.6, 0.3, 0.0, 1.0},
+        {1.0, 0.3, 0.0, 1.0}},
+    {
+        {0.0, 0.6, 0.0, 1.0},
+        {0.3, 0.6, 0.0, 1.0},
+        {0.6, 0.6, 0.0, 1.0},
+        {1.0, 0.6, 0.0, 1.0}},
+    {
+        {0.0, 1.0, 0.0, 1.0},
+        {0.3, 1.0, 0.0, 1.0},
+        {0.6, 1.0, 0.0, 1.0},
+        {1.0, 1.0, 0.0, 1.0}}
+};
+
+
+void
+initlights(void)
+{
+    GLfloat ambient[] = {0.2, 0.2, 0.2, 1.0};
+    GLfloat position[] = {0.0, 0.0, 2.0, 1.0};
+    GLfloat mat_diffuse[] = {0.6, 0.6, 0.6, 1.0};
+    GLfloat mat_specular[] = {1.0, 1.0, 1.0, 1.0};
+    GLfloat mat_shininess[] = {50.0};
+
+#if 0 /* no lighting for now */
+    glEnable(GL_LIGHTING);
+    glEnable(GL_LIGHT0);
+
+    glLightfv(GL_LIGHT0, GL_AMBIENT, ambient);
+    glLightfv(GL_LIGHT0, GL_POSITION, position);
+
+    glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);
+    glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
+    glMaterialfv(GL_FRONT, GL_SHININESS, mat_shininess);
+#endif
+}
+
+void
+display(void)
+{
+   glClearColor(.3, .3, .3, 0);
+    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+    glPushMatrix();
+#if 1
+    glRotatef(85.0, 1.0, 1.0, 1.0);
+#endif
+    glEvalMesh2(GL_FILL, 0, 8, 0, 8);
+    glPopMatrix();
+    glFlush();
+}
+
+void
+myinit(int argc, char *argv[])
+{
+    glClearColor(0.0, 0.0, 0.0, 1.0);
+    glEnable(GL_DEPTH_TEST);
+
+    initlights();       /* for lighted version only */
+
+    glMapGrid2f(8, 0.0, 1.0, 8, 0.0, 1.0);
+
+    if (argc > 1)
+       program = 0;
+
+    printf("Using vertex program attribs? %s\n", program ? "yes" : "no");
+
+    if (!program) {
+        glMap2f(GL_MAP2_VERTEX_4,
+                0.0, 1.0, 4, 4,
+                0.0, 1.0, 16, 4, &ctrlpoints[0][0][0]);
+        glMap2f(GL_MAP2_COLOR_4,
+                0.0, 1.0, 4, 4,
+                0.0, 1.0, 16, 4, &colorPoints[0][0][0]);
+        glEnable(GL_MAP2_VERTEX_4);
+        glEnable(GL_MAP2_COLOR_4);
+        /*
+        glEnable(GL_AUTO_NORMAL);
+        glEnable(GL_NORMALIZE);
+        */
+    }
+    else {
+        glMap2f(GL_MAP2_VERTEX_ATTRIB0_4_NV,
+                0.0, 1.0, 4, 4,
+                0.0, 1.0, 16, 4, &ctrlpoints[0][0][0]);
+        glMap2f(GL_MAP2_VERTEX_ATTRIB3_4_NV,
+                0.0, 1.0, 4, 4,
+                0.0, 1.0, 16, 4, &colorPoints[0][0][0]);
+        glEnable(GL_MAP2_VERTEX_ATTRIB0_4_NV);
+        glEnable(GL_MAP2_VERTEX_ATTRIB3_4_NV);
+
+        /*
+        glEnable(GL_AUTO_NORMAL);
+        glEnable(GL_NORMALIZE);
+        */
+
+        /* vertex program init */
+        glLoadProgramNV(GL_VERTEX_PROGRAM_NV, 1,
+                        strlen(prog), (const GLubyte *) prog);
+        assert(glIsProgramNV(1));
+        glBindProgramNV(GL_VERTEX_PROGRAM_NV, 1);
+
+        /* track matrices */
+        glTrackMatrixNV(GL_VERTEX_PROGRAM_NV, 0, GL_MODELVIEW_PROJECTION_NV, GL_IDENTITY_NV);
+        glEnable(GL_VERTEX_PROGRAM_NV);
+    }
+}
+
+void
+myReshape(int w, int h)
+{
+    glViewport(0, 0, w, h);
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    if (w <= h)
+        glOrtho(-4.0, 4.0, -4.0 * (GLfloat) h / (GLfloat) w,
+            4.0 * (GLfloat) h / (GLfloat) w, -4.0, 4.0);
+    else
+        glOrtho(-4.0 * (GLfloat) w / (GLfloat) h,
+            4.0 * (GLfloat) w / (GLfloat) h, -4.0, 4.0, -4.0, 4.0);
+    glMatrixMode(GL_MODELVIEW);
+    glLoadIdentity();
+}
+
+static void
+key(unsigned char k, int x, int y)
+{
+  switch (k) {
+  case 27:  /* Escape */
+    exit(0);
+    break;
+  default:
+    return;
+  }
+  glutPostRedisplay();
+}
+
+int
+main(int argc, char **argv)
+{
+    glutInit(&argc, argv);
+    glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
+    glutInitWindowPosition(0, 0);
+    glutCreateWindow(argv[0]);
+    myinit(argc, argv);
+    glutReshapeFunc(myReshape);
+    glutDisplayFunc(display);
+    glutKeyboardFunc(key);
+    glutMainLoop();
+    return 0;             /* ANSI C requires main to return int. */
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/vptest1.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/vptest1.c
new file mode 100644
index 000000000..560df2c3f
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/vptest1.c
@@ -0,0 +1,170 @@
+/* Test glGenProgramsNV(), glIsProgramNV(), glLoadProgramNV() */
+
+#include <assert.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+
+
+
+static void Display( void )
+{
+   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+   glPushMatrix();
+
+   glBegin(GL_POLYGON);
+   glVertexAttrib2fNV(0, -1, -1);
+   glVertexAttrib2fNV(0, 1, -1);
+   glVertexAttrib2fNV(0, 0,  1);
+   glEnd();
+
+   glPopMatrix();
+
+   glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glFrustum( -1.0, 1.0, -1.0, 1.0, 5.0, 25.0 );
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   glTranslatef( 0.0, 0.0, -15.0 );
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void Init( void )
+{
+   static const char *prog1 =
+      "!!VP1.0\n"
+      "MUL   o[COL0].xyz, R0, c[35]; \n"
+      "END\n";
+   static const char *prog2 =
+      "!!VP1.0\n"
+      "#\n"
+      "# c[0-3]  = modelview projection (composite) matrix\n"
+      "# c[32]   = normalized light direction in object-space\n"
+      "# c[35]   = yellow diffuse material, (1.0, 1.0, 0.0, 1.0)\n"
+      "# c[64].x = 0.0\n"
+      "# c[64].z = 0.125, a scaling factor\n"
+      "#\n"
+      "# outputs diffuse illumination for color and perturbed position\n"
+      "#\n"
+      "DP3   R0, c[32], v[NRML];     # light direction DOT normal\n"
+      "MUL   o[COL0].xyz, R0, c[35]; \n"
+      "MAX   R0, c[64].x, R0; \n"
+      "MUL   R0, R0, v[NRML]; \n"
+      "MUL   R0, R0, c[64].z;  \n"
+      "ADD   R1, v[OPOS], -R0;       # perturb object space position\n"
+      "DP4   o[HPOS].x, c[0], R1; \n"
+      "DP4   o[HPOS].y, c[1], R1; \n"
+      "DP4   o[HPOS].z, c[2], R1; \n"
+      "DP4   o[HPOS].w, c[3], R1; \n"
+      "END\n";
+   static const char *prog3 = 
+      "!!VP1.0\n"
+      "DP4   o[HPOS].x, c[0], v[OPOS];\n"
+      "DP4   o[HPOS].y, c[1], v[OPOS];\n"
+      "DP4   o[HPOS].z, c[2], v[OPOS];\n"
+      "DP4   o[HPOS].w, c[3], v[OPOS];\n"
+      "DP3   R0.x, c[4], v[NRML];\n"
+      "DP3   R0.y, c[5], v[NRML]; \n"
+      "DP3   R0.z, c[6], v[NRML];           # R0 = n' = transformed normal\n"
+      "DP3   R1.x, c[32], R0;               # R1.x = Lpos DOT n'\n"
+      "DP3   R1.y, c[33], R0;               # R1.y = hHat DOT n'\n"
+      "MOV   R1.w, c[38].x;                 # R1.w = specular power\n"
+      "LIT   R2, R1;                        # Compute lighting values\n"
+      "MAD   R3, c[35].x, R2.y, c[35].y;    # diffuse + emissive\n"
+      "MAD   o[COL0].xyz, c[36], R2.z, R3;  # + specular\n"
+      "END\n";
+   static const char *prog4 = 
+      "!!VP1.0\n"
+      "DP4   R2, R3, c[A0.x];\n"
+      "DP4   R2, R3, c[A0.x + 5];\n"
+      "DP4   o[HPOS], R3, c[A0.x - 4];\n"
+      "END\n";
+   static const char *prog5 = 
+      "!!VSP1.0\n"
+      "DP4   R2, R3, c[A0.x];\n"
+      "DP4   R2, R3, v[0];\n"
+      "DP4   c[3], R3, R2;\n"
+      "END\n";
+
+
+   GLuint progs[5];
+
+   glGenProgramsNV(2, progs);
+   assert(progs[0]);
+   assert(progs[1]);
+   assert(progs[0] != progs[1]);
+
+   glGenProgramsNV(3, progs + 2);
+   assert(progs[2]);
+   assert(progs[3]);
+   assert(progs[2] != progs[3]);
+   assert(progs[0] != progs[2]);
+
+
+   glLoadProgramNV(GL_VERTEX_PROGRAM_NV, 1,
+                   strlen(prog1),
+                   (const GLubyte *) prog1);
+   assert(!glIsProgramNV(1));
+
+   glLoadProgramNV(GL_VERTEX_PROGRAM_NV, 2,
+                   strlen(prog2),
+                   (const GLubyte *) prog2);
+   assert(glIsProgramNV(2));
+
+   glLoadProgramNV(GL_VERTEX_PROGRAM_NV, 3,
+                   strlen(prog3),
+                   (const GLubyte *) prog3);
+   assert(glIsProgramNV(3));
+
+   glLoadProgramNV(GL_VERTEX_PROGRAM_NV, 4,
+                   strlen(prog4),
+                   (const GLubyte *) prog4);
+   assert(glIsProgramNV(4));
+
+   glLoadProgramNV(GL_VERTEX_STATE_PROGRAM_NV, 5,
+                   strlen(prog5),
+                   (const GLubyte *) prog5);
+   assert(glIsProgramNV(5));
+
+   printf("glGetError = %d\n", (int) glGetError());
+}
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( 250, 250 );
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
+   glutCreateWindow(argv[0]);
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutDisplayFunc( Display );
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/vptest2.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/vptest2.c
new file mode 100644
index 000000000..2158e07f0
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/vptest2.c
@@ -0,0 +1,151 @@
+/* Test vertex state program execution */
+
+#include <assert.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+
+
+
+static void Display( void )
+{
+   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+   glPushMatrix();
+   glutSolidCube(2.0);
+   glPopMatrix();
+   glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glFrustum( -1.0, 1.0, -1.0, 1.0, 5.0, 25.0 );
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   glTranslatef( 0.0, 0.0, -15.0 );
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void Test1( void )
+{
+   static const GLfloat p[4] = {9, 8, 7, 6};
+   GLfloat q[4];
+   /* test addition */
+   static const char *prog =
+      "!!VSP1.0\n"
+      "MOV R0, c[0];\n"
+      "MOV R1, c[1];\n"
+      "ADD  c[2], R0, R1;\n"
+      "END\n";
+
+   glLoadProgramNV(GL_VERTEX_STATE_PROGRAM_NV, 1,
+                   strlen(prog),
+                   (const GLubyte *) prog);
+   assert(glIsProgramNV(1));
+
+   glProgramParameter4fNV(GL_VERTEX_PROGRAM_NV, 0, 1, 2, 3, 4);
+   glProgramParameter4fNV(GL_VERTEX_PROGRAM_NV, 1, 10, 20, 30, 40);
+
+   glExecuteProgramNV(GL_VERTEX_STATE_PROGRAM_NV, 1, p);
+
+   glGetProgramParameterfvNV(GL_VERTEX_PROGRAM_NV, 2, GL_PROGRAM_PARAMETER_NV, q);
+   printf("Result c[2] = %g %g %g %g  (should be 11 22 33 44)\n",
+          q[0], q[1], q[2], q[3]);
+}
+
+
+static void Test2( void )
+{
+   static const GLfloat p[4] = {9, 8, 7, 6};
+   GLfloat q[4];
+   /* test swizzling */
+   static const char *prog =
+      "!!VSP1.0\n"
+      "MOV R0, c[0].wzyx;\n"
+      "MOV R1, c[1].wzyx;\n"
+      "ADD c[2], R0, R1;\n"
+      "END\n";
+
+   glLoadProgramNV(GL_VERTEX_STATE_PROGRAM_NV, 1,
+                   strlen(prog),
+                   (const GLubyte *) prog);
+   assert(glIsProgramNV(1));
+
+   glProgramParameter4fNV(GL_VERTEX_PROGRAM_NV, 0, 1, 2, 3, 4);
+   glProgramParameter4fNV(GL_VERTEX_PROGRAM_NV, 1, 10, 20, 30, 40);
+
+   glExecuteProgramNV(GL_VERTEX_STATE_PROGRAM_NV, 1, p);
+
+   glGetProgramParameterfvNV(GL_VERTEX_PROGRAM_NV, 2, GL_PROGRAM_PARAMETER_NV, q);
+   printf("Result c[2] = %g %g %g %g  (should be 44 33 22 11)\n",
+          q[0], q[1], q[2], q[3]);
+}
+
+
+static void Test3( void )
+{
+   static const GLfloat p[4] = {0, 0, 0, 0};
+   GLfloat q[4];
+   /* normalize vector */
+   static const char *prog =
+      "!!VSP1.0\n"
+      "# c[0] = (nx,ny,nz)\n"
+      "# R0.xyz = normalize(R1)\n"
+      "# R0.w   = 1/sqrt(nx*nx + ny*ny + nz*nz)\n"
+      "# c[2] = R0\n"
+      "DP3 R0.w, c[0], c[0];\n"
+      "RSQ R0.w, R0.w;\n"
+      "MUL R0.xyz, c[0], R0.w;\n"
+      "MOV c[2], R0;\n"
+      "END\n";
+
+   glLoadProgramNV(GL_VERTEX_STATE_PROGRAM_NV, 1,
+                   strlen(prog),
+                   (const GLubyte *) prog);
+   assert(glIsProgramNV(1));
+
+   glProgramParameter4fNV(GL_VERTEX_PROGRAM_NV, 0, 0, 10, 0, 0);
+
+   glExecuteProgramNV(GL_VERTEX_STATE_PROGRAM_NV, 1, p);
+
+   glGetProgramParameterfvNV(GL_VERTEX_PROGRAM_NV, 2, GL_PROGRAM_PARAMETER_NV, q);
+   printf("Result c[2] = %g %g %g %g  (should be 0, 1, 0, 0.1)\n",
+          q[0], q[1], q[2], q[3]);
+}
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( 50, 50 );
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
+   glutCreateWindow(argv[0]);
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutDisplayFunc( Display );
+   Test1();
+   Test2();
+   Test3();
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/vptest3.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/vptest3.c
new file mode 100644
index 000000000..2c5c80004
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/vptest3.c
@@ -0,0 +1,120 @@
+/* Test glGenProgramsNV(), glIsProgramNV(), glLoadProgramNV() */
+
+#include <assert.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+
+static float Zrot = 0.0;
+
+
+static void Display( void )
+{
+   glClearColor(0.3, 0.3, 0.3, 1);
+   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+   glEnable(GL_VERTEX_PROGRAM_NV);
+
+   glLoadIdentity();
+   glRotatef(Zrot, 0, 0, 1);
+
+   glTrackMatrixNV(GL_VERTEX_PROGRAM_NV, 0, GL_MODELVIEW, GL_IDENTITY_NV);
+   glPushMatrix();
+
+   glVertexAttrib3fNV(3, 1, 0.5, 0.25);
+   glBegin(GL_TRIANGLES);
+#if 1
+   glVertexAttrib3fNV(3, 1.0, 0.0, 0.0);
+   glVertexAttrib2fNV(0, -0.5, -0.5);
+   glVertexAttrib3fNV(3, 0.0, 1.0, 0.0);
+   glVertexAttrib2fNV(0, 0.5, -0.5);
+   glVertexAttrib3fNV(3, 0.0, 0.0, 1.0);
+   glVertexAttrib2fNV(0, 0,  0.5);
+#else
+   glVertex2f( -1, -1);
+   glVertex2f( 1, -1);
+   glVertex2f( 0,  1);
+#endif
+   glEnd();
+
+   glPopMatrix();
+
+   glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   /*   glFrustum( -2.0, 2.0, -2.0, 2.0, 5.0, 25.0 );*/
+   glOrtho(-2.0, 2.0, -2.0, 2.0, -2.0, 2.0 );
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   /*glTranslatef( 0.0, 0.0, -15.0 );*/
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 'z':
+         Zrot -= 5.0;
+         break;
+      case 'Z':
+         Zrot += 5.0;
+         break;
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void Init( void )
+{
+   static const char *prog1 =
+      "!!VP1.0\n"
+      "MOV  o[COL0], v[COL0];\n"
+#if 0
+      "MOV   o[HPOS], v[OPOS];\n"
+#else
+      "DP4  o[HPOS].x, v[OPOS], c[0];\n"
+      "DP4  o[HPOS].y, v[OPOS], c[1];\n"
+      "DP4  o[HPOS].z, v[OPOS], c[2];\n"
+      "DP4  o[HPOS].w, v[OPOS], c[3];\n"
+#endif
+      "END\n";
+
+   glLoadProgramNV(GL_VERTEX_PROGRAM_NV, 1,
+                   strlen(prog1),
+                   (const GLubyte *) prog1);
+   assert(glIsProgramNV(1));
+
+   glBindProgramNV(GL_VERTEX_PROGRAM_NV, 1);
+
+   printf("glGetError = %d\n", (int) glGetError());
+}
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( 250, 250 );
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
+   glutCreateWindow(argv[0]);
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutDisplayFunc( Display );
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/vptorus.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/vptorus.c
new file mode 100644
index 000000000..764dea4ec
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/vptorus.c
@@ -0,0 +1,174 @@
+/*
+ * A lit, rotating torus via vertex program
+ */
+
+#include <assert.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+
+static float Xrot = 0.0, Yrot = 0.0, Zrot = 0.0;
+static GLboolean Anim = GL_TRUE;
+
+
+static void Idle( void )
+{
+   Xrot += .3;
+   Yrot += .4;
+   Zrot += .2;
+   glutPostRedisplay();
+}
+
+
+static void Display( void )
+{
+   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+   glPushMatrix();
+      glRotatef(Xrot, 1, 0, 0);
+      glRotatef(Yrot, 0, 1, 0);
+      glRotatef(Zrot, 0, 0, 1);
+      glutSolidTorus(0.75, 2.0, 10, 20);
+   glPopMatrix();
+
+   glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glFrustum( -2.0, 2.0, -2.0, 2.0, 5.0, 25.0 );
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   glTranslatef( 0.0, 0.0, -12.0 );
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case ' ':
+         Xrot = Yrot = Zrot = 0;
+         break;
+      case 'a':
+         Anim = !Anim;
+         if (Anim)
+            glutIdleFunc(Idle);
+         else
+            glutIdleFunc(NULL);
+         break;
+      case 'z':
+         Zrot -= 5.0;
+         break;
+      case 'Z':
+         Zrot += 5.0;
+         break;
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void SpecialKey( int key, int x, int y )
+{
+   const GLfloat step = 3.0;
+   (void) x;
+   (void) y;
+   switch (key) {
+      case GLUT_KEY_UP:
+         Xrot -= step;
+         break;
+      case GLUT_KEY_DOWN:
+         Xrot += step;
+         break;
+      case GLUT_KEY_LEFT:
+         Yrot -= step;
+         break;
+      case GLUT_KEY_RIGHT:
+         Yrot += step;
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void Init( void )
+{
+   /* borrowed from an nvidia demo:
+    * c[0..3] = modelview matrix
+    * c[4..7] = inverse modelview matrix
+    * c[32] = light pos
+    * c[35] = diffuse color
+    */
+   static const char prog[] = 
+      "!!VP1.0\n"
+      "#Simple transform and diffuse lighting\n"
+      "\n"
+      "DP4   o[HPOS].x, c[0], v[OPOS] ;	# object x MVP -> clip\n"
+      "DP4   o[HPOS].y, c[1], v[OPOS] ;\n"
+      "DP4   o[HPOS].z, c[2], v[OPOS] ;\n"
+      "DP4   o[HPOS].w, c[3], v[OPOS] ;\n"
+
+      "DP3   R1.x, c[4], v[NRML] ;	# normal x MV-1T -> lighting normal\n"
+      "DP3   R1.y, c[5], v[NRML] ;\n"
+      "DP3   R1.z, c[6], v[NRML] ;\n"
+
+      "DP3   R0, c[32], R1 ;  		# L.N\n"
+      "MUL   o[COL0].xyz, R0, c[35] ;   # col = L.N * diffuse\n"
+      "MOV   o[TEX0], v[TEX0];\n"
+      "END";
+
+   if (!glutExtensionSupported("GL_NV_vertex_program")) {
+      printf("Sorry, this program requires GL_NV_vertex_program");
+      exit(1);
+   }
+
+   glLoadProgramNV(GL_VERTEX_PROGRAM_NV, 1,
+                   strlen(prog), (const GLubyte *) prog);
+   assert(glIsProgramNV(1));
+   glBindProgramNV(GL_VERTEX_PROGRAM_NV, 1);
+
+   /* Load the program registers */
+   glTrackMatrixNV(GL_VERTEX_PROGRAM_NV, 0, GL_MODELVIEW_PROJECTION_NV, GL_IDENTITY_NV);
+   glTrackMatrixNV(GL_VERTEX_PROGRAM_NV, 4, GL_MODELVIEW, GL_INVERSE_TRANSPOSE_NV);
+
+   /* Light position */
+   glProgramParameter4fNV(GL_VERTEX_PROGRAM_NV, 32, 2, 2, 4, 1);
+   /* Diffuse material color */
+   glProgramParameter4fNV(GL_VERTEX_PROGRAM_NV, 35, 0.25, 0, 0.25, 1);
+
+   glEnable(GL_VERTEX_PROGRAM_NV);
+   glEnable(GL_DEPTH_TEST);
+   glClearColor(0.3, 0.3, 0.3, 1);
+
+   printf("glGetError = %d\n", (int) glGetError());
+}
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( 250, 250 );
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
+   glutCreateWindow(argv[0]);
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutSpecialFunc( SpecialKey );
+   glutDisplayFunc( Display );
+   if (Anim)
+      glutIdleFunc(Idle);
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/vpwarpmesh.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/vpwarpmesh.c
new file mode 100644
index 000000000..56aa8200e
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/vpwarpmesh.c
@@ -0,0 +1,236 @@
+/*
+ * Warp a triangle mesh with a vertex program.
+ */
+
+#include <assert.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+
+static float Xrot = -60.0, Yrot = 0.0, Zrot = 0.0;
+static GLboolean Anim = GL_TRUE;
+static GLfloat Phi = 0.0;
+
+
+static void Idle( void )
+{
+   Phi += 0.01;
+   glutPostRedisplay();
+}
+
+
+static void DrawMesh( int rows, int cols )
+{
+   static const GLfloat colorA[3] = { 0, 1, 0 };
+   static const GLfloat colorB[3] = { 0, 0, 1 };
+   const float dx = 2.0 / (cols - 1);
+   const float dy = 2.0 / (rows - 1);
+   float x, y;
+   int i, j;
+
+#if 1
+#define COLOR3FV(c)     glVertexAttrib3fvNV(3, c)
+#define VERTEX2F(x, y)  glVertexAttrib2fNV(0, x, y)
+#else
+#define COLOR3FV(c)     glColor3fv(c)
+#define VERTEX2F(x, y)  glVertex2f(x, y)
+#endif
+
+   y = -1.0;
+   for (i = 0; i < rows - 1; i++) {
+      glBegin(GL_QUAD_STRIP);
+      x = -1.0;
+      for (j = 0; j < cols; j++) {
+         if ((i + j) & 1)
+            COLOR3FV(colorA);
+         else
+            COLOR3FV(colorB);
+         VERTEX2F(x, y);
+         VERTEX2F(x, y + dy);
+         x += dx;
+      }
+      glEnd();
+      y += dy;
+   }
+}
+
+
+static void Display( void )
+{
+   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+   glPushMatrix();
+      glRotatef(Xrot, 1, 0, 0);
+      glRotatef(Yrot, 0, 1, 0);
+      glRotatef(Zrot, 0, 0, 1);
+
+      /* Position the gravity source */
+      {
+         GLfloat x, y, z, r = 0.5;
+         x = r * cos(Phi);
+         y = r * sin(Phi);
+         z = 1.0;
+         glProgramParameter4fNV(GL_VERTEX_PROGRAM_NV, 30, x, y, z, 1);
+         glDisable(GL_VERTEX_PROGRAM_NV);
+         glBegin(GL_POINTS);
+         glColor3f(1,1,1);
+         glVertex3f(x, y, z);
+         glEnd();
+      }
+
+      glEnable(GL_VERTEX_PROGRAM_NV);
+      DrawMesh(8, 8);
+   glPopMatrix();
+
+   glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+   float ar = (float) width / (float) height;
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glFrustum( -1.0 * ar, 1.0 * ar, -1.0, 1.0, 5.0, 25.0 );
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   glTranslatef( 0.0, 0.0, -12.0 );
+   glScalef(2, 2, 2);
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 'a':
+         Anim = !Anim;
+         if (Anim)
+            glutIdleFunc(Idle);
+         else
+            glutIdleFunc(NULL);
+         break;
+      case 'p':
+         Phi += 0.2;
+         break;
+      case 'z':
+         Zrot -= 5.0;
+         break;
+      case 'Z':
+         Zrot += 5.0;
+         break;
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void SpecialKey( int key, int x, int y )
+{
+   const GLfloat step = 3.0;
+   (void) x;
+   (void) y;
+   switch (key) {
+      case GLUT_KEY_UP:
+         Xrot -= step;
+         break;
+      case GLUT_KEY_DOWN:
+         Xrot += step;
+         break;
+      case GLUT_KEY_LEFT:
+         Yrot -= step;
+         break;
+      case GLUT_KEY_RIGHT:
+         Yrot += step;
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void Init( void )
+{
+   /*
+    * c[0..3] = modelview matrix
+    * c[4..7] = inverse modelview matrix
+    * c[30] = gravity source location
+    * c[31] = gravity source strength
+    * c[32] = light pos
+    * c[35] = diffuse color
+    */
+   static const char prog[] = 
+      "!!VP1.0\n"
+
+      "# Compute distance from vertex to gravity source\n"
+      "ADD   R1, c[30], -v[OPOS]; # vector from vertex to gravity\n"
+      "DP3   R2, R1, R1;          # dot product\n"
+      "RSQ   R2, R2.x;            # square root = distance\n"
+      "MUL   R2, R2, c[31].xxxx;  # scale by the gravity factor\n"
+
+      "# Displace vertex by gravity factor along R1 vector\n"
+      "MAD   R3, R1, R2, v[OPOS];\n"
+
+      "# Continue with typical modelview/projection\n"
+      "DP4   o[HPOS].x, c[0], R3 ;	# object x MVP -> clip\n"
+      "DP4   o[HPOS].y, c[1], R3 ;\n"
+      "DP4   o[HPOS].z, c[2], R3 ;\n"
+      "DP4   o[HPOS].w, c[3], R3 ;\n"
+
+      "MOV   o[COL0], v[COL0];\n       # copy input color to output color\n"
+
+      "END";
+
+   if (!glutExtensionSupported("GL_NV_vertex_program")) {
+      printf("Sorry, this program requires GL_NV_vertex_program\n");
+      exit(1);
+   }
+
+   glLoadProgramNV(GL_VERTEX_PROGRAM_NV, 1,
+                   strlen(prog), (const GLubyte *) prog);
+   assert(glIsProgramNV(1));
+   glBindProgramNV(GL_VERTEX_PROGRAM_NV, 1);
+
+   /* Load the program registers */
+   glTrackMatrixNV(GL_VERTEX_PROGRAM_NV, 0, GL_MODELVIEW_PROJECTION_NV, GL_IDENTITY_NV);
+   glTrackMatrixNV(GL_VERTEX_PROGRAM_NV, 4, GL_MODELVIEW, GL_INVERSE_TRANSPOSE_NV);
+
+   /* Light position */
+   glProgramParameter4fNV(GL_VERTEX_PROGRAM_NV, 32, 2, 2, 4, 1);
+   /* Diffuse material color */
+   glProgramParameter4fNV(GL_VERTEX_PROGRAM_NV, 35, 0.25, 0, 0.25, 1);
+
+   /* Gravity strength */
+   glProgramParameter4fNV(GL_VERTEX_PROGRAM_NV, 31, .5, 0, 0, 0);
+
+   glEnable(GL_DEPTH_TEST);
+   glClearColor(0.3, 0.3, 0.3, 1);
+   glShadeModel(GL_FLAT);
+   glPointSize(3);
+   printf("glGetError = %d\n", (int) glGetError());
+}
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( 250, 250 );
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
+   glutCreateWindow(argv[0]);
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutSpecialFunc( SpecialKey );
+   glutDisplayFunc( Display );
+   if (Anim)
+      glutIdleFunc(Idle);
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/yuvrect.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/yuvrect.c
new file mode 100644
index 000000000..acef40609
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/yuvrect.c
@@ -0,0 +1,193 @@
+/*
+ * Test the GL_NV_texture_rectangle and GL_MESA_ycrcb_texture extensions.
+ *
+ * Brian Paul   13 September 2002
+ */
+
+#include <assert.h>
+#include <math.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+
+#include "../util/readtex.c"   /* I know, this is a hack. */
+
+#define TEXTURE_FILE "../images/girl.rgb"
+
+static GLfloat Xrot = 0, Yrot = 0, Zrot = 0;
+static GLint ImgWidth, ImgHeight;
+static GLushort *ImageYUV = NULL;
+
+
+static void DrawObject(void)
+{
+   glBegin(GL_QUADS);
+
+   glTexCoord2f(0, 0);
+   glVertex2f(-1.0, -1.0);
+
+   glTexCoord2f(ImgWidth, 0);
+   glVertex2f(1.0, -1.0);
+
+   glTexCoord2f(ImgWidth, ImgHeight);
+   glVertex2f(1.0, 1.0);
+
+   glTexCoord2f(0, ImgHeight);
+   glVertex2f(-1.0, 1.0);
+
+   glEnd();
+}
+
+
+static void Display( void )
+{
+   glClear( GL_COLOR_BUFFER_BIT );
+
+   glPushMatrix();
+      glRotatef(Xrot, 1.0, 0.0, 0.0);
+      glRotatef(Yrot, 0.0, 1.0, 0.0);
+      glRotatef(Zrot, 0.0, 0.0, 1.0);
+      DrawObject();
+   glPopMatrix();
+
+   glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glFrustum( -1.0, 1.0, -1.0, 1.0, 10.0, 100.0 );
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   glTranslatef( 0.0, 0.0, -15.0 );
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void SpecialKey( int key, int x, int y )
+{
+   float step = 3.0;
+   (void) x;
+   (void) y;
+
+   switch (key) {
+      case GLUT_KEY_UP:
+         Xrot += step;
+         break;
+      case GLUT_KEY_DOWN:
+         Xrot -= step;
+         break;
+      case GLUT_KEY_LEFT:
+         Yrot += step;
+         break;
+      case GLUT_KEY_RIGHT:
+         Yrot -= step;
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+
+static void Init( int argc, char *argv[] )
+{
+   GLuint texObj = 100;
+   const char *file;
+
+   if (!glutExtensionSupported("GL_NV_texture_rectangle")) {
+      printf("Sorry, GL_NV_texture_rectangle is required\n");
+      exit(0);
+   }
+
+   if (!glutExtensionSupported("GL_MESA_ycbcr_texture")) {
+      printf("Sorry, GL_MESA_ycbcr_texture is required\n");
+      exit(0);
+   }
+
+   glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+
+   glBindTexture(GL_TEXTURE_RECTANGLE_NV, texObj);
+#ifdef LINEAR_FILTER
+   /* linear filtering looks much nicer but is much slower for Mesa */
+   glTexParameteri(GL_TEXTURE_RECTANGLE_NV, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+   glTexParameteri(GL_TEXTURE_RECTANGLE_NV, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+#else
+   glTexParameteri(GL_TEXTURE_RECTANGLE_NV, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+   glTexParameteri(GL_TEXTURE_RECTANGLE_NV, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+#endif
+
+   if (argc > 1)
+      file = argv[1];
+   else
+      file = TEXTURE_FILE;
+
+   ImageYUV = LoadYUVImage(file, &ImgWidth, &ImgHeight);
+   if (!ImageYUV) {
+      printf("Couldn't read %s\n", TEXTURE_FILE);
+      exit(0);
+   }
+
+   printf("Image: %dx%d\n", ImgWidth, ImgHeight);
+
+   glTexImage2D(GL_TEXTURE_RECTANGLE_NV, 0,
+                GL_YCBCR_MESA, ImgWidth, ImgHeight, 0,
+                GL_YCBCR_MESA, GL_UNSIGNED_SHORT_8_8_MESA, ImageYUV);
+
+   assert(glGetError() == GL_NO_ERROR);
+   glTexSubImage2D(GL_TEXTURE_RECTANGLE_NV, 0,
+                   0, 0, ImgWidth, ImgHeight,
+                   GL_YCBCR_MESA, GL_UNSIGNED_SHORT_8_8_MESA, ImageYUV);
+
+   assert(glGetError() == GL_NO_ERROR);
+
+   glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+
+   glEnable(GL_TEXTURE_RECTANGLE_NV);
+
+   glShadeModel(GL_FLAT);
+   glClearColor(0.3, 0.3, 0.4, 1.0);
+
+   if (argc > 1 && strcmp(argv[1], "-info")==0) {
+      printf("GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+      printf("GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+      printf("GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+      printf("GL_EXTENSIONS = %s\n", (char *) glGetString(GL_EXTENSIONS));
+   }
+}
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowSize( 300, 300 );
+   glutInitWindowPosition( 0, 0 );
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
+   glutCreateWindow(argv[0] );
+
+   Init( argc, argv );
+
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutSpecialFunc( SpecialKey );
+   glutDisplayFunc( Display );
+
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/yuvsquare.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/yuvsquare.c
new file mode 100644
index 000000000..3601e7a31
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/yuvsquare.c
@@ -0,0 +1,232 @@
+/*
+ * Test the GL_NV_texture_rectangle and GL_MESA_ycrcb_texture extensions.
+ *
+ * Brian Paul   13 September 2002
+ */
+
+
+#include <math.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+
+#include "../util/readtex.c"   /* I know, this is a hack. */
+
+#define TEXTURE_FILE "../images/tile.rgb"
+
+static GLfloat Xrot = 0, Yrot = 0, Zrot = 0;
+static GLint ImgWidth, ImgHeight;
+static GLushort *ImageYUV = NULL;
+static GLubyte *ImageRGB = NULL;
+static const GLuint yuvObj = 100;
+static const GLuint rgbObj = 101;
+
+
+static void DrawObject(void)
+{
+   glBegin(GL_QUADS);
+
+   glTexCoord2f(0, 0);
+   glVertex2f(-1.0, -1.0);
+
+   glTexCoord2f(1, 0);
+   glVertex2f(1.0, -1.0);
+
+   glTexCoord2f(1, 1);
+   glVertex2f(1.0, 1.0);
+
+   glTexCoord2f(0, 1);
+   glVertex2f(-1.0, 1.0);
+
+   glEnd();
+}
+
+
+static void Display( void )
+{
+   glClear( GL_COLOR_BUFFER_BIT );
+
+   glPushMatrix();
+      glTranslatef( -1.1, 0.0, -15.0 );
+      glRotatef(Xrot, 1.0, 0.0, 0.0);
+      glRotatef(Yrot, 0.0, 1.0, 0.0);
+      glRotatef(Zrot, 0.0, 0.0, 1.0);
+      glBindTexture(GL_TEXTURE_2D, yuvObj);
+      DrawObject();
+   glPopMatrix();
+
+   glPushMatrix();
+      glTranslatef(  1.1, 0.0, -15.0 );
+      glRotatef(Xrot, 1.0, 0.0, 0.0);
+      glRotatef(Yrot, 0.0, 1.0, 0.0);
+      glRotatef(Zrot, 0.0, 0.0, 1.0);
+      glBindTexture(GL_TEXTURE_2D, rgbObj);
+      DrawObject();
+   glPopMatrix();
+
+   glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glFrustum( -1.1, 1.1, -1.1, 1.1, 10.0, 100.0 );
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   glTranslatef( 0.0, 0.0, -15.0 );
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void SpecialKey( int key, int x, int y )
+{
+   float step = 3.0;
+   (void) x;
+   (void) y;
+
+   switch (key) {
+      case GLUT_KEY_UP:
+         Xrot += step;
+         break;
+      case GLUT_KEY_DOWN:
+         Xrot -= step;
+         break;
+      case GLUT_KEY_LEFT:
+         Yrot += step;
+         break;
+      case GLUT_KEY_RIGHT:
+         Yrot -= step;
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+#define CLAMP( X, MIN, MAX )  ( (X)<(MIN) ? (MIN) : ((X)>(MAX) ? (MAX) : (X)) )
+
+
+
+/* #define LINEAR_FILTER */
+
+static void Init( int argc, char *argv[] )
+{
+   const char *file;
+   GLenum  format;
+
+   if (!glutExtensionSupported("GL_MESA_ycbcr_texture")) {
+      printf("Sorry, GL_MESA_ycbcr_texture is required\n");
+      exit(0);
+   }
+
+   glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+
+   if (argc > 1)
+      file = argv[1];
+   else
+      file = TEXTURE_FILE;
+
+   /* First load the texture as YCbCr.
+    */
+
+   glBindTexture(GL_TEXTURE_2D, yuvObj);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+
+   ImageYUV = LoadYUVImage(file, &ImgWidth, &ImgHeight );
+   if (!ImageYUV) {
+      printf("Couldn't read %s\n", TEXTURE_FILE);
+      exit(0);
+   }
+
+   printf("Image: %dx%d\n", ImgWidth, ImgHeight);
+
+
+   glTexImage2D(GL_TEXTURE_2D, 0,
+                GL_YCBCR_MESA, 
+		ImgWidth, ImgHeight, 0,
+                GL_YCBCR_MESA, 
+		GL_UNSIGNED_SHORT_8_8_MESA, ImageYUV);
+
+   glEnable(GL_TEXTURE_2D);
+
+   glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+
+   
+
+   /* Now load the texture as RGB.
+    */
+
+   glBindTexture(GL_TEXTURE_2D, rgbObj);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+
+   ImageRGB = LoadRGBImage(file, &ImgWidth, &ImgHeight, &format );
+   if (!ImageRGB) {
+      printf("Couldn't read %s\n", TEXTURE_FILE);
+      exit(0);
+   }
+
+   printf("Image: %dx%d\n", ImgWidth, ImgHeight);
+
+
+   glTexImage2D(GL_TEXTURE_2D, 0,
+                format,
+		ImgWidth, ImgHeight, 0,
+                format,
+		GL_UNSIGNED_BYTE, ImageRGB);
+
+   glEnable(GL_TEXTURE_2D);
+
+   glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+
+
+
+   glShadeModel(GL_FLAT);
+   glClearColor(0.3, 0.3, 0.4, 1.0);
+
+   if (argc > 1 && strcmp(argv[1], "-info")==0) {
+      printf("GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+      printf("GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+      printf("GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+      printf("GL_EXTENSIONS = %s\n", (char *) glGetString(GL_EXTENSIONS));
+   }
+   
+   printf( "Both images should appear the same.\n" );
+}
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowSize( 300, 300 );
+   glutInitWindowPosition( 0, 0 );
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
+   glutCreateWindow(argv[0] );
+
+   Init( argc, argv );
+
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutSpecialFunc( SpecialKey );
+   glutDisplayFunc( Display );
+
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/tests/zreaddraw.c b/nx-X11/extras/Mesa_6.4.2/progs/tests/zreaddraw.c
new file mode 100644
index 000000000..e2dacbf7f
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/tests/zreaddraw.c
@@ -0,0 +1,116 @@
+/*
+ * Test glRead/DrawPixels for GL_DEPTH_COMPONENT, with pixelzoom.
+ * 
+ * Brian Paul
+ * 23 August 2003
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+
+static GLint WinWidth = 500, WinHeight = 500;
+
+
+static void Display(void)
+{
+   GLfloat depth[100 * 100];
+   GLfloat depth2[400 * 400];
+   GLfloat min, max;
+   int i;
+
+   glClearColor(0.5, 0.5, 0.5, 0);
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+   /* draw a sphere */
+   glViewport(0, 0, 100, 100);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glOrtho(-1, 1, -1, 1, -1, 0);  /* clip away back half of sphere */
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glutSolidSphere(1.0, 20, 10);
+
+   /* read the depth image */
+   glReadPixels(0, 0, 100, 100, GL_DEPTH_COMPONENT, GL_FLOAT, depth);
+   min = max = depth[0];
+   for (i = 1; i < 100 * 100; i++) {
+      if (depth[i] < min)
+         min = depth[i];
+      if (depth[i] > max)
+         max = depth[i];
+   }
+   printf("Depth value range: [%f, %f]\n", min, max);
+
+   /* draw depth image with scaling (into z buffer) */
+   glPixelZoom(4.0, 4.0);
+   glWindowPos2i(100, 0);
+   glDrawPixels(100, 100, GL_DEPTH_COMPONENT, GL_FLOAT, depth);
+
+   /* read back scaled depth image */
+   glReadPixels(100, 0, 400, 400, GL_DEPTH_COMPONENT, GL_FLOAT, depth2);
+   /* draw as luminance */
+   glPixelZoom(1.0, 1.0);
+   glDrawPixels(400, 400, GL_LUMINANCE, GL_FLOAT, depth2);
+
+   glutSwapBuffers();
+}
+
+
+static void Reshape(int width, int height)
+{
+   WinWidth = width;
+   WinHeight = height;
+   glViewport(0, 0, width, height);
+}
+
+
+static void Key(unsigned char key, int x, int y)
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void Init(void)
+{
+   const GLfloat blue[4] = {.1, .1, 1.0, 0.0};
+   const GLfloat gray[4] = {0.2, 0.2, 0.2, 1.0};
+   const GLfloat white[4] = {1.0, 1.0, 1.0, 1.0};
+   const GLfloat pos[4] = {0, 0, 10, 0};
+
+   printf("GL_VERSION = %s\n", (char *) glGetString(GL_VERSION));
+   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
+
+   glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, blue);
+   glLightfv(GL_LIGHT0, GL_AMBIENT, gray);
+   glLightfv(GL_LIGHT0, GL_DIFFUSE, white);
+   glLightfv(GL_LIGHT0, GL_POSITION, pos);
+   glEnable(GL_LIGHTING);
+   glEnable(GL_LIGHT0);
+   glEnable(GL_DEPTH_TEST);
+}
+
+
+int main(int argc, char *argv[])
+{
+   glutInit(&argc, argv);
+   glutInitWindowPosition(0, 0);
+   glutInitWindowSize(WinWidth, WinHeight);
+   glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE);
+   glutCreateWindow(argv[0]);
+   glutReshapeFunc(Reshape);
+   glutKeyboardFunc(Key);
+   glutDisplayFunc(Display);
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/util/README b/nx-X11/extras/Mesa_6.4.2/progs/util/README
new file mode 100644
index 000000000..ca89d34bd
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/util/README
@@ -0,0 +1,22 @@
+
+This directory is a collection of function which may be useful to
+OpenGL/Mesa programmers.
+
+
+errcheck.c	- an OpenGL error check/report function
+glutskel.c	- handy skeleton for GLUT programs
+idproj.c	- setup an identity projection
+mwmborder.c	- remove Motif window decoration/border
+winpos.c	- set absolute window raster position
+readtex.c	- load textures/mipmaps from an .rgb file
+showbuffer.[ch]	- show depth, alpha, or stencil buffer contents
+glstate.[ch]	- query/print GL state variables, for debugging, etc.
+sampleMakefile	- example Makefile for making OpenGL/Mesa apps on Unix
+dumpsate.c	- dump all OpenGL state, from Stephane Rehel
+imagesgi.cpp,.h - read SGI image files
+
+
+more to come...
+
+----------------------------------------------------------------------
+$Id: README,v 1.1 1999/08/19 00:55:42 jtg Exp $
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/util/descrip.mms b/nx-X11/extras/Mesa_6.4.2/progs/util/descrip.mms
new file mode 100644
index 000000000..41b124815
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/util/descrip.mms
@@ -0,0 +1,42 @@
+# Makefile for GLUT-based demo programs for VMS
+# contributed by Jouk Jansen  joukj@crys.chem.uva.nl
+
+
+.first
+	define gl [--.include.gl]
+
+.include [--]mms-config.
+
+##### MACROS #####
+
+INCDIR = ([--.include],[-.util])
+CFLAGS = /include=$(INCDIR)/prefix=all/name=(as_is,short)
+
+.ifdef SHARE
+GL_LIBS = $(XLIBS)
+LIB_DEP = [--.lib]$(GL_SHAR) [--.lib]$(GLU_SHAR) [--.lib]$(GLUT_SHAR)
+.else
+GL_LIBS = [--.lib]libGLUT/l,libMesaGLU/l,libMesaGL/l,$(XLIBS)
+LIB_DEP = [--.lib]$(GL_LIB) [--.lib]$(GLU_LIB) [--.lib]$(GLUT_LIB)
+.endif
+
+
+OBJS =readtex.obj,showbuffer.obj
+
+
+##### RULES #####
+.obj.exe :
+	cxxlink $(MMS$TARGET_NAME),$(GL_LIBS)
+
+##### TARGETS #####
+default :
+	$(MMS)$(MMSQUALIFIERS) $(OBJS)
+
+clean :
+	delete *.obj;*
+
+realclean :
+	delete *.obj;*
+
+readtex.obj : readtex.c
+showbuffer.obj : showbuffer.c
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/util/dumpstate.c b/nx-X11/extras/Mesa_6.4.2/progs/util/dumpstate.c
new file mode 100644
index 000000000..4c039a40f
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/util/dumpstate.c
@@ -0,0 +1,1959 @@
+
+/*
+ *
+ * From: Stephane Rehel <rehel@worldnet.fr>
+ * Date: Mon, 31 May 1999 18:40:54 -0400
+ * To: Paul Brian <brianp@ra.avid.com>
+ * Subject: OpenGL State Dump Function
+ * 
+ * Here is a function that dumps the current OpenGL state. I wrote it
+ * some time ago.
+ * 
+ * In the attachment:
+ *   + the code itself
+ *   + its output
+ * 
+ * I think Mesa is wrong on some getBooleanv(). For example, GL_VERTEX_ARRAY
+ * is queried by IsEnabled() (cf. p. 196 of the spec). But on page 193
+ * we can read that all the boolean attribs that can be queried by IsEnabled()
+ * can also be queried by IsEnabled().
+ * 
+ * I had duplicated all the enums (LOCAL_*) so that the code can run on any 
+ * OpenGL version, even if an enum is not recognized.
+ * 
+ * The code can be shipped in the public domain.
+ * 
+ * Stephane.
+ */
+
+
+/*
+ * Stephane Rehel
+ * Creation: February 5 1999
+ */
+
+#include <stdio.h>
+#include <GL/gl.h>
+
+/***************************************************************************/
+
+enum {
+        /* Data types */
+        LOCAL_GL_BYTE                         = 0x1400,
+        LOCAL_GL_UNSIGNED_BYTE                = 0x1401,
+        LOCAL_GL_SHORT                        = 0x1402,
+        LOCAL_GL_UNSIGNED_SHORT               = 0x1403,
+        LOCAL_GL_INT                          = 0x1404,
+        LOCAL_GL_UNSIGNED_INT                 = 0x1405,
+        LOCAL_GL_FLOAT                        = 0x1406,
+        LOCAL_GL_DOUBLE                       = 0x140A,
+        LOCAL_GL_2_BYTES                      = 0x1407,
+        LOCAL_GL_3_BYTES                      = 0x1408,
+        LOCAL_GL_4_BYTES                      = 0x1409,
+
+        /* Primitives */
+        LOCAL_GL_LINES                        = 0x0001,
+        LOCAL_GL_POINTS                       = 0x0000,
+        LOCAL_GL_LINE_STRIP                   = 0x0003,
+        LOCAL_GL_LINE_LOOP                    = 0x0002,
+        LOCAL_GL_TRIANGLES                    = 0x0004,
+        LOCAL_GL_TRIANGLE_STRIP               = 0x0005,
+        LOCAL_GL_TRIANGLE_FAN                 = 0x0006,
+        LOCAL_GL_QUADS                        = 0x0007,
+        LOCAL_GL_QUAD_STRIP                   = 0x0008,
+        LOCAL_GL_POLYGON                      = 0x0009,
+        LOCAL_GL_EDGE_FLAG                    = 0x0B43,
+
+        /* Vertex Arrays */
+        LOCAL_GL_VERTEX_ARRAY                 = 0x8074,
+        LOCAL_GL_NORMAL_ARRAY                 = 0x8075,
+        LOCAL_GL_COLOR_ARRAY                  = 0x8076,
+        LOCAL_GL_INDEX_ARRAY                  = 0x8077,
+        LOCAL_GL_TEXTURE_COORD_ARRAY          = 0x8078,
+        LOCAL_GL_EDGE_FLAG_ARRAY              = 0x8079,
+        LOCAL_GL_VERTEX_ARRAY_SIZE            = 0x807A,
+        LOCAL_GL_VERTEX_ARRAY_TYPE            = 0x807B,
+        LOCAL_GL_VERTEX_ARRAY_STRIDE          = 0x807C,
+        LOCAL_GL_NORMAL_ARRAY_TYPE            = 0x807E,
+        LOCAL_GL_NORMAL_ARRAY_STRIDE          = 0x807F,
+        LOCAL_GL_COLOR_ARRAY_SIZE             = 0x8081,
+        LOCAL_GL_COLOR_ARRAY_TYPE             = 0x8082,
+        LOCAL_GL_COLOR_ARRAY_STRIDE           = 0x8083,
+        LOCAL_GL_INDEX_ARRAY_TYPE             = 0x8085,
+        LOCAL_GL_INDEX_ARRAY_STRIDE           = 0x8086,
+        LOCAL_GL_TEXTURE_COORD_ARRAY_SIZE     = 0x8088,
+        LOCAL_GL_TEXTURE_COORD_ARRAY_TYPE     = 0x8089,
+        LOCAL_GL_TEXTURE_COORD_ARRAY_STRIDE   = 0x808A,
+        LOCAL_GL_EDGE_FLAG_ARRAY_STRIDE       = 0x808C,
+        LOCAL_GL_VERTEX_ARRAY_POINTER         = 0x808E,
+        LOCAL_GL_NORMAL_ARRAY_POINTER         = 0x808F,
+        LOCAL_GL_COLOR_ARRAY_POINTER          = 0x8090,
+        LOCAL_GL_INDEX_ARRAY_POINTER          = 0x8091,
+        LOCAL_GL_TEXTURE_COORD_ARRAY_POINTER  = 0x8092,
+        LOCAL_GL_EDGE_FLAG_ARRAY_POINTER      = 0x8093,
+        LOCAL_GL_V2F                          = 0x2A20,
+        LOCAL_GL_V3F                          = 0x2A21,
+        LOCAL_GL_C4UB_V2F                     = 0x2A22,
+        LOCAL_GL_C4UB_V3F                     = 0x2A23,
+        LOCAL_GL_C3F_V3F                      = 0x2A24,
+        LOCAL_GL_N3F_V3F                      = 0x2A25,
+        LOCAL_GL_C4F_N3F_V3F                  = 0x2A26,
+        LOCAL_GL_T2F_V3F                      = 0x2A27,
+        LOCAL_GL_T4F_V4F                      = 0x2A28,
+        LOCAL_GL_T2F_C4UB_V3F                 = 0x2A29,
+        LOCAL_GL_T2F_C3F_V3F                  = 0x2A2A,
+        LOCAL_GL_T2F_N3F_V3F                  = 0x2A2B,
+        LOCAL_GL_T2F_C4F_N3F_V3F              = 0x2A2C,
+        LOCAL_GL_T4F_C4F_N3F_V4F              = 0x2A2D,
+
+        /* Matrix Mode */
+        LOCAL_GL_MATRIX_MODE                  = 0x0BA0,
+        LOCAL_GL_MODELVIEW                    = 0x1700,
+        LOCAL_GL_PROJECTION                   = 0x1701,
+        LOCAL_GL_TEXTURE                      = 0x1702,
+
+        /* Points */
+        LOCAL_GL_POINT_SMOOTH                 = 0x0B10,
+        LOCAL_GL_POINT_SIZE                   = 0x0B11,
+        LOCAL_GL_POINT_SIZE_GRANULARITY       = 0x0B13,
+        LOCAL_GL_POINT_SIZE_RANGE             = 0x0B12,
+
+        /* Lines */
+        LOCAL_GL_LINE_SMOOTH                  = 0x0B20,
+        LOCAL_GL_LINE_STIPPLE                 = 0x0B24,
+        LOCAL_GL_LINE_STIPPLE_PATTERN         = 0x0B25,
+        LOCAL_GL_LINE_STIPPLE_REPEAT          = 0x0B26,
+        LOCAL_GL_LINE_WIDTH                   = 0x0B21,
+        LOCAL_GL_LINE_WIDTH_GRANULARITY       = 0x0B23,
+        LOCAL_GL_LINE_WIDTH_RANGE             = 0x0B22,
+
+        /* Polygons */
+        LOCAL_GL_POINT                        = 0x1B00,
+        LOCAL_GL_LINE                         = 0x1B01,
+        LOCAL_GL_FILL                         = 0x1B02,
+        LOCAL_GL_CCW                          = 0x0901,
+        LOCAL_GL_CW                           = 0x0900,
+        LOCAL_GL_FRONT                        = 0x0404,
+        LOCAL_GL_BACK                         = 0x0405,
+        LOCAL_GL_CULL_FACE                    = 0x0B44,
+        LOCAL_GL_CULL_FACE_MODE               = 0x0B45,
+        LOCAL_GL_POLYGON_SMOOTH               = 0x0B41,
+        LOCAL_GL_POLYGON_STIPPLE              = 0x0B42,
+        LOCAL_GL_FRONT_FACE                   = 0x0B46,
+        LOCAL_GL_POLYGON_MODE                 = 0x0B40,
+        LOCAL_GL_POLYGON_OFFSET_FACTOR        = 0x8038,
+        LOCAL_GL_POLYGON_OFFSET_UNITS         = 0x2A00,
+        LOCAL_GL_POLYGON_OFFSET_POINT         = 0x2A01,
+        LOCAL_GL_POLYGON_OFFSET_LINE          = 0x2A02,
+        LOCAL_GL_POLYGON_OFFSET_FILL          = 0x8037,
+
+        /* Display Lists */
+        LOCAL_GL_COMPILE                      = 0x1300,
+        LOCAL_GL_COMPILE_AND_EXECUTE          = 0x1301,
+        LOCAL_GL_LIST_BASE                    = 0x0B32,
+        LOCAL_GL_LIST_INDEX                   = 0x0B33,
+        LOCAL_GL_LIST_MODE                    = 0x0B30,
+
+        /* Depth buffer */
+        LOCAL_GL_NEVER                        = 0x0200,
+        LOCAL_GL_LESS                         = 0x0201,
+        LOCAL_GL_GEQUAL                       = 0x0206,
+        LOCAL_GL_LEQUAL                       = 0x0203,
+        LOCAL_GL_GREATER                      = 0x0204,
+        LOCAL_GL_NOTEQUAL                     = 0x0205,
+        LOCAL_GL_EQUAL                        = 0x0202,
+        LOCAL_GL_ALWAYS                       = 0x0207,
+        LOCAL_GL_DEPTH_TEST                   = 0x0B71,
+        LOCAL_GL_DEPTH_BITS                   = 0x0D56,
+        LOCAL_GL_DEPTH_CLEAR_VALUE            = 0x0B73,
+        LOCAL_GL_DEPTH_FUNC                   = 0x0B74,
+        LOCAL_GL_DEPTH_RANGE                  = 0x0B70,
+        LOCAL_GL_DEPTH_WRITEMASK              = 0x0B72,
+        LOCAL_GL_DEPTH_COMPONENT              = 0x1902,
+
+        /* Lighting */
+        LOCAL_GL_LIGHTING                     = 0x0B50,
+        LOCAL_GL_LIGHT0                       = 0x4000,
+        LOCAL_GL_LIGHT1                       = 0x4001,
+        LOCAL_GL_LIGHT2                       = 0x4002,
+        LOCAL_GL_LIGHT3                       = 0x4003,
+        LOCAL_GL_LIGHT4                       = 0x4004,
+        LOCAL_GL_LIGHT5                       = 0x4005,
+        LOCAL_GL_LIGHT6                       = 0x4006,
+        LOCAL_GL_LIGHT7                       = 0x4007,
+        LOCAL_GL_SPOT_EXPONENT                = 0x1205,
+        LOCAL_GL_SPOT_CUTOFF                  = 0x1206,
+        LOCAL_GL_CONSTANT_ATTENUATION         = 0x1207,
+        LOCAL_GL_LINEAR_ATTENUATION           = 0x1208,
+        LOCAL_GL_QUADRATIC_ATTENUATION        = 0x1209,
+        LOCAL_GL_AMBIENT                      = 0x1200,
+        LOCAL_GL_DIFFUSE                      = 0x1201,
+        LOCAL_GL_SPECULAR                     = 0x1202,
+        LOCAL_GL_SHININESS                    = 0x1601,
+        LOCAL_GL_EMISSION                     = 0x1600,
+        LOCAL_GL_POSITION                     = 0x1203,
+        LOCAL_GL_SPOT_DIRECTION               = 0x1204,
+        LOCAL_GL_AMBIENT_AND_DIFFUSE          = 0x1602,
+        LOCAL_GL_COLOR_INDEXES                = 0x1603,
+        LOCAL_GL_LIGHT_MODEL_TWO_SIDE         = 0x0B52,
+        LOCAL_GL_LIGHT_MODEL_LOCAL_VIEWER     = 0x0B51,
+        LOCAL_GL_LIGHT_MODEL_AMBIENT          = 0x0B53,
+        LOCAL_GL_FRONT_AND_BACK               = 0x0408,
+        LOCAL_GL_SHADE_MODEL                  = 0x0B54,
+        LOCAL_GL_FLAT                         = 0x1D00,
+        LOCAL_GL_SMOOTH                       = 0x1D01,
+        LOCAL_GL_COLOR_MATERIAL               = 0x0B57,
+        LOCAL_GL_COLOR_MATERIAL_FACE          = 0x0B55,
+        LOCAL_GL_COLOR_MATERIAL_PARAMETER     = 0x0B56,
+        LOCAL_GL_NORMALIZE                    = 0x0BA1,
+
+        /* User clipping planes */
+        LOCAL_GL_CLIP_PLANE0                  = 0x3000,
+        LOCAL_GL_CLIP_PLANE1                  = 0x3001,
+        LOCAL_GL_CLIP_PLANE2                  = 0x3002,
+        LOCAL_GL_CLIP_PLANE3                  = 0x3003,
+        LOCAL_GL_CLIP_PLANE4                  = 0x3004,
+        LOCAL_GL_CLIP_PLANE5                  = 0x3005,
+
+        /* Accumulation buffer */
+        LOCAL_GL_ACCUM_RED_BITS               = 0x0D58,
+        LOCAL_GL_ACCUM_GREEN_BITS             = 0x0D59,
+        LOCAL_GL_ACCUM_BLUE_BITS              = 0x0D5A,
+        LOCAL_GL_ACCUM_ALPHA_BITS             = 0x0D5B,
+        LOCAL_GL_ACCUM_CLEAR_VALUE            = 0x0B80,
+        LOCAL_GL_ACCUM                        = 0x0100,
+        LOCAL_GL_ADD                          = 0x0104,
+        LOCAL_GL_LOAD                         = 0x0101,
+        LOCAL_GL_MULT                         = 0x0103,
+        LOCAL_GL_RETURN                       = 0x0102,
+
+        /* Alpha testing */
+        LOCAL_GL_ALPHA_TEST                   = 0x0BC0,
+        LOCAL_GL_ALPHA_TEST_REF               = 0x0BC2,
+        LOCAL_GL_ALPHA_TEST_FUNC              = 0x0BC1,
+
+        /* Blending */
+        LOCAL_GL_BLEND                        = 0x0BE2,
+        LOCAL_GL_BLEND_SRC                    = 0x0BE1,
+        LOCAL_GL_BLEND_DST                    = 0x0BE0,
+        LOCAL_GL_ZERO                         = 0,
+        LOCAL_GL_ONE                          = 1,
+        LOCAL_GL_SRC_COLOR                    = 0x0300,
+        LOCAL_GL_ONE_MINUS_SRC_COLOR          = 0x0301,
+        LOCAL_GL_DST_COLOR                    = 0x0306,
+        LOCAL_GL_ONE_MINUS_DST_COLOR          = 0x0307,
+        LOCAL_GL_SRC_ALPHA                    = 0x0302,
+        LOCAL_GL_ONE_MINUS_SRC_ALPHA          = 0x0303,
+        LOCAL_GL_DST_ALPHA                    = 0x0304,
+        LOCAL_GL_ONE_MINUS_DST_ALPHA          = 0x0305,
+        LOCAL_GL_SRC_ALPHA_SATURATE           = 0x0308,
+        LOCAL_GL_CONSTANT_COLOR               = 0x8001,
+        LOCAL_GL_ONE_MINUS_CONSTANT_COLOR     = 0x8002,
+        LOCAL_GL_CONSTANT_ALPHA               = 0x8003,
+        LOCAL_GL_ONE_MINUS_CONSTANT_ALPHA     = 0x8004,
+
+        /* Render Mode */
+        LOCAL_GL_FEEDBACK                     = 0x1C01,
+        LOCAL_GL_RENDER                       = 0x1C00,
+        LOCAL_GL_SELECT                       = 0x1C02,
+
+        /* Feedback */
+        LOCAL_GL_2D                           = 0x0600,
+        LOCAL_GL_3D                           = 0x0601,
+        LOCAL_GL_3D_COLOR                     = 0x0602,
+        LOCAL_GL_3D_COLOR_TEXTURE             = 0x0603,
+        LOCAL_GL_4D_COLOR_TEXTURE             = 0x0604,
+        LOCAL_GL_POINT_TOKEN                  = 0x0701,
+        LOCAL_GL_LINE_TOKEN                   = 0x0702,
+        LOCAL_GL_LINE_RESET_TOKEN             = 0x0707,
+        LOCAL_GL_POLYGON_TOKEN                = 0x0703,
+        LOCAL_GL_BITMAP_TOKEN                 = 0x0704,
+        LOCAL_GL_DRAW_PIXEL_TOKEN             = 0x0705,
+        LOCAL_GL_COPY_PIXEL_TOKEN             = 0x0706,
+        LOCAL_GL_PASS_THROUGH_TOKEN           = 0x0700,
+        LOCAL_GL_FEEDBACK_BUFFER_POINTER      = 0x0DF0,
+        LOCAL_GL_FEEDBACK_BUFFER_SIZE         = 0x0DF1,
+        LOCAL_GL_FEEDBACK_BUFFER_TYPE         = 0x0DF2,
+
+        /* Selection */
+        LOCAL_GL_SELECTION_BUFFER_POINTER     = 0x0DF3,
+        LOCAL_GL_SELECTION_BUFFER_SIZE        = 0x0DF4,
+
+        /* Fog */
+        LOCAL_GL_FOG                          = 0x0B60,
+        LOCAL_GL_FOG_MODE                     = 0x0B65,
+        LOCAL_GL_FOG_DENSITY                  = 0x0B62,
+        LOCAL_GL_FOG_COLOR                    = 0x0B66,
+        LOCAL_GL_FOG_INDEX                    = 0x0B61,
+        LOCAL_GL_FOG_START                    = 0x0B63,
+        LOCAL_GL_FOG_END                      = 0x0B64,
+        LOCAL_GL_LINEAR                       = 0x2601,
+        LOCAL_GL_EXP                          = 0x0800,
+        LOCAL_GL_EXP2                         = 0x0801,
+
+        /* Logic Ops */
+        LOCAL_GL_LOGIC_OP                     = 0x0BF1,
+        LOCAL_GL_INDEX_LOGIC_OP               = 0x0BF1,
+        LOCAL_GL_COLOR_LOGIC_OP               = 0x0BF2,
+        LOCAL_GL_LOGIC_OP_MODE                = 0x0BF0,
+        LOCAL_GL_CLEAR                        = 0x1500,
+        LOCAL_GL_SET                          = 0x150F,
+        LOCAL_GL_COPY                         = 0x1503,
+        LOCAL_GL_COPY_INVERTED                = 0x150C,
+        LOCAL_GL_NOOP                         = 0x1505,
+        LOCAL_GL_INVERT                       = 0x150A,
+        LOCAL_GL_AND                          = 0x1501,
+        LOCAL_GL_NAND                         = 0x150E,
+        LOCAL_GL_OR                           = 0x1507,
+        LOCAL_GL_NOR                          = 0x1508,
+        LOCAL_GL_XOR                          = 0x1506,
+        LOCAL_GL_EQUIV                        = 0x1509,
+        LOCAL_GL_AND_REVERSE                  = 0x1502,
+        LOCAL_GL_AND_INVERTED                 = 0x1504,
+        LOCAL_GL_OR_REVERSE                   = 0x150B,
+        LOCAL_GL_OR_INVERTED                  = 0x150D,
+
+        /* Stencil */
+        LOCAL_GL_STENCIL_TEST                 = 0x0B90,
+        LOCAL_GL_STENCIL_WRITEMASK            = 0x0B98,
+        LOCAL_GL_STENCIL_BITS                 = 0x0D57,
+        LOCAL_GL_STENCIL_FUNC                 = 0x0B92,
+        LOCAL_GL_STENCIL_VALUE_MASK           = 0x0B93,
+        LOCAL_GL_STENCIL_REF                  = 0x0B97,
+        LOCAL_GL_STENCIL_FAIL                 = 0x0B94,
+        LOCAL_GL_STENCIL_PASS_DEPTH_PASS      = 0x0B96,
+        LOCAL_GL_STENCIL_PASS_DEPTH_FAIL      = 0x0B95,
+        LOCAL_GL_STENCIL_CLEAR_VALUE          = 0x0B91,
+        LOCAL_GL_STENCIL_INDEX                = 0x1901,
+        LOCAL_GL_KEEP                         = 0x1E00,
+        LOCAL_GL_REPLACE                      = 0x1E01,
+        LOCAL_GL_INCR                         = 0x1E02,
+        LOCAL_GL_DECR                         = 0x1E03,
+
+        /* Buffers, Pixel Drawing/Reading */
+        LOCAL_GL_NONE                         = 0,
+        LOCAL_GL_LEFT                         = 0x0406,
+        LOCAL_GL_RIGHT                        = 0x0407,
+        /*LOCAL_GL_FRONT                      = 0x0404, */
+        /*LOCAL_GL_BACK                       = 0x0405, */
+        /*LOCAL_GL_FRONT_AND_BACK             = 0x0408, */
+        LOCAL_GL_FRONT_LEFT                   = 0x0400,
+        LOCAL_GL_FRONT_RIGHT                  = 0x0401,
+        LOCAL_GL_BACK_LEFT                    = 0x0402,
+        LOCAL_GL_BACK_RIGHT                   = 0x0403,
+        LOCAL_GL_AUX0                         = 0x0409,
+        LOCAL_GL_AUX1                         = 0x040A,
+        LOCAL_GL_AUX2                         = 0x040B,
+        LOCAL_GL_AUX3                         = 0x040C,
+        LOCAL_GL_COLOR_INDEX                  = 0x1900,
+        LOCAL_GL_RED                          = 0x1903,
+        LOCAL_GL_GREEN                        = 0x1904,
+        LOCAL_GL_BLUE                         = 0x1905,
+        LOCAL_GL_ALPHA                        = 0x1906,
+        LOCAL_GL_LUMINANCE                    = 0x1909,
+        LOCAL_GL_LUMINANCE_ALPHA              = 0x190A,
+        LOCAL_GL_ALPHA_BITS                   = 0x0D55,
+        LOCAL_GL_RED_BITS                     = 0x0D52,
+        LOCAL_GL_GREEN_BITS                   = 0x0D53,
+        LOCAL_GL_BLUE_BITS                    = 0x0D54,
+        LOCAL_GL_INDEX_BITS                   = 0x0D51,
+        LOCAL_GL_SUBPIXEL_BITS                = 0x0D50,
+        LOCAL_GL_AUX_BUFFERS                  = 0x0C00,
+        LOCAL_GL_READ_BUFFER                  = 0x0C02,
+        LOCAL_GL_DRAW_BUFFER                  = 0x0C01,
+        LOCAL_GL_DOUBLEBUFFER                 = 0x0C32,
+        LOCAL_GL_STEREO                       = 0x0C33,
+        LOCAL_GL_BITMAP                       = 0x1A00,
+        LOCAL_GL_COLOR                        = 0x1800,
+        LOCAL_GL_DEPTH                        = 0x1801,
+        LOCAL_GL_STENCIL                      = 0x1802,
+        LOCAL_GL_DITHER                       = 0x0BD0,
+        LOCAL_GL_RGB                          = 0x1907,
+        LOCAL_GL_RGBA                         = 0x1908,
+
+        /* Implementation limits */
+        LOCAL_GL_MAX_LIST_NESTING             = 0x0B31,
+        LOCAL_GL_MAX_ATTRIB_STACK_DEPTH       = 0x0D35,
+        LOCAL_GL_MAX_MODELVIEW_STACK_DEPTH    = 0x0D36,
+        LOCAL_GL_MAX_NAME_STACK_DEPTH         = 0x0D37,
+        LOCAL_GL_MAX_PROJECTION_STACK_DEPTH   = 0x0D38,
+        LOCAL_GL_MAX_TEXTURE_STACK_DEPTH      = 0x0D39,
+        LOCAL_GL_MAX_EVAL_ORDER               = 0x0D30,
+        LOCAL_GL_MAX_LIGHTS                   = 0x0D31,
+        LOCAL_GL_MAX_CLIP_PLANES              = 0x0D32,
+        LOCAL_GL_MAX_TEXTURE_SIZE             = 0x0D33,
+        LOCAL_GL_MAX_PIXEL_MAP_TABLE          = 0x0D34,
+        LOCAL_GL_MAX_VIEWPORT_DIMS            = 0x0D3A,
+        LOCAL_GL_MAX_CLIENT_ATTRIB_STACK_DEPTH= 0x0D3B,
+
+        /* Gets */
+        LOCAL_GL_ATTRIB_STACK_DEPTH           = 0x0BB0,
+        LOCAL_GL_CLIENT_ATTRIB_STACK_DEPTH    = 0x0BB1,
+        LOCAL_GL_COLOR_CLEAR_VALUE            = 0x0C22,
+        LOCAL_GL_COLOR_WRITEMASK              = 0x0C23,
+        LOCAL_GL_CURRENT_INDEX                = 0x0B01,
+        LOCAL_GL_CURRENT_COLOR                = 0x0B00,
+        LOCAL_GL_CURRENT_NORMAL               = 0x0B02,
+        LOCAL_GL_CURRENT_RASTER_COLOR         = 0x0B04,
+        LOCAL_GL_CURRENT_RASTER_DISTANCE      = 0x0B09,
+        LOCAL_GL_CURRENT_RASTER_INDEX         = 0x0B05,
+        LOCAL_GL_CURRENT_RASTER_POSITION      = 0x0B07,
+        LOCAL_GL_CURRENT_RASTER_TEXTURE_COORDS = 0x0B06,
+        LOCAL_GL_CURRENT_RASTER_POSITION_VALID = 0x0B08,
+        LOCAL_GL_CURRENT_TEXTURE_COORDS       = 0x0B03,
+        LOCAL_GL_INDEX_CLEAR_VALUE            = 0x0C20,
+        LOCAL_GL_INDEX_MODE                   = 0x0C30,
+        LOCAL_GL_INDEX_WRITEMASK              = 0x0C21,
+        LOCAL_GL_MODELVIEW_MATRIX             = 0x0BA6,
+        LOCAL_GL_MODELVIEW_STACK_DEPTH        = 0x0BA3,
+        LOCAL_GL_NAME_STACK_DEPTH             = 0x0D70,
+        LOCAL_GL_PROJECTION_MATRIX            = 0x0BA7,
+        LOCAL_GL_PROJECTION_STACK_DEPTH       = 0x0BA4,
+        LOCAL_GL_RENDER_MODE                  = 0x0C40,
+        LOCAL_GL_RGBA_MODE                    = 0x0C31,
+        LOCAL_GL_TEXTURE_MATRIX               = 0x0BA8,
+        LOCAL_GL_TEXTURE_STACK_DEPTH          = 0x0BA5,
+        LOCAL_GL_VIEWPORT                     = 0x0BA2,
+
+
+        /* Evaluators */
+        LOCAL_GL_AUTO_NORMAL                  = 0x0D80,
+        LOCAL_GL_MAP1_COLOR_4                 = 0x0D90,
+        LOCAL_GL_MAP1_GRID_DOMAIN             = 0x0DD0,
+        LOCAL_GL_MAP1_GRID_SEGMENTS           = 0x0DD1,
+        LOCAL_GL_MAP1_INDEX                   = 0x0D91,
+        LOCAL_GL_MAP1_NORMAL                  = 0x0D92,
+        LOCAL_GL_MAP1_TEXTURE_COORD_1         = 0x0D93,
+        LOCAL_GL_MAP1_TEXTURE_COORD_2         = 0x0D94,
+        LOCAL_GL_MAP1_TEXTURE_COORD_3         = 0x0D95,
+        LOCAL_GL_MAP1_TEXTURE_COORD_4         = 0x0D96,
+        LOCAL_GL_MAP1_VERTEX_3                = 0x0D97,
+        LOCAL_GL_MAP1_VERTEX_4                = 0x0D98,
+        LOCAL_GL_MAP2_COLOR_4                 = 0x0DB0,
+        LOCAL_GL_MAP2_GRID_DOMAIN             = 0x0DD2,
+        LOCAL_GL_MAP2_GRID_SEGMENTS           = 0x0DD3,
+        LOCAL_GL_MAP2_INDEX                   = 0x0DB1,
+        LOCAL_GL_MAP2_NORMAL                  = 0x0DB2,
+        LOCAL_GL_MAP2_TEXTURE_COORD_1         = 0x0DB3,
+        LOCAL_GL_MAP2_TEXTURE_COORD_2         = 0x0DB4,
+        LOCAL_GL_MAP2_TEXTURE_COORD_3         = 0x0DB5,
+        LOCAL_GL_MAP2_TEXTURE_COORD_4         = 0x0DB6,
+        LOCAL_GL_MAP2_VERTEX_3                = 0x0DB7,
+        LOCAL_GL_MAP2_VERTEX_4                = 0x0DB8,
+        LOCAL_GL_COEFF                        = 0x0A00,
+        LOCAL_GL_DOMAIN                       = 0x0A02,
+        LOCAL_GL_ORDER                        = 0x0A01,
+
+        /* Hints */
+        LOCAL_GL_FOG_HINT                     = 0x0C54,
+        LOCAL_GL_LINE_SMOOTH_HINT             = 0x0C52,
+        LOCAL_GL_PERSPECTIVE_CORRECTION_HINT  = 0x0C50,
+        LOCAL_GL_POINT_SMOOTH_HINT            = 0x0C51,
+        LOCAL_GL_POLYGON_SMOOTH_HINT          = 0x0C53,
+        LOCAL_GL_DONT_CARE                    = 0x1100,
+        LOCAL_GL_FASTEST                      = 0x1101,
+        LOCAL_GL_NICEST                       = 0x1102,
+
+        /* Scissor box */
+        LOCAL_GL_SCISSOR_TEST                 = 0x0C11,
+        LOCAL_GL_SCISSOR_BOX                  = 0x0C10,
+
+        /* Pixel Mode / Transfer */
+        LOCAL_GL_MAP_COLOR                    = 0x0D10,
+        LOCAL_GL_MAP_STENCIL                  = 0x0D11,
+        LOCAL_GL_INDEX_SHIFT                  = 0x0D12,
+        LOCAL_GL_INDEX_OFFSET                 = 0x0D13,
+        LOCAL_GL_RED_SCALE                    = 0x0D14,
+        LOCAL_GL_RED_BIAS                     = 0x0D15,
+        LOCAL_GL_GREEN_SCALE                  = 0x0D18,
+        LOCAL_GL_GREEN_BIAS                   = 0x0D19,
+        LOCAL_GL_BLUE_SCALE                   = 0x0D1A,
+        LOCAL_GL_BLUE_BIAS                    = 0x0D1B,
+        LOCAL_GL_ALPHA_SCALE                  = 0x0D1C,
+        LOCAL_GL_ALPHA_BIAS                   = 0x0D1D,
+        LOCAL_GL_DEPTH_SCALE                  = 0x0D1E,
+        LOCAL_GL_DEPTH_BIAS                   = 0x0D1F,
+        LOCAL_GL_PIXEL_MAP_S_TO_S_SIZE        = 0x0CB1,
+        LOCAL_GL_PIXEL_MAP_I_TO_I_SIZE        = 0x0CB0,
+        LOCAL_GL_PIXEL_MAP_I_TO_R_SIZE        = 0x0CB2,
+        LOCAL_GL_PIXEL_MAP_I_TO_G_SIZE        = 0x0CB3,
+        LOCAL_GL_PIXEL_MAP_I_TO_B_SIZE        = 0x0CB4,
+        LOCAL_GL_PIXEL_MAP_I_TO_A_SIZE        = 0x0CB5,
+        LOCAL_GL_PIXEL_MAP_R_TO_R_SIZE        = 0x0CB6,
+        LOCAL_GL_PIXEL_MAP_G_TO_G_SIZE        = 0x0CB7,
+        LOCAL_GL_PIXEL_MAP_B_TO_B_SIZE        = 0x0CB8,
+        LOCAL_GL_PIXEL_MAP_A_TO_A_SIZE        = 0x0CB9,
+        LOCAL_GL_PIXEL_MAP_S_TO_S             = 0x0C71,
+        LOCAL_GL_PIXEL_MAP_I_TO_I             = 0x0C70,
+        LOCAL_GL_PIXEL_MAP_I_TO_R             = 0x0C72,
+        LOCAL_GL_PIXEL_MAP_I_TO_G             = 0x0C73,
+        LOCAL_GL_PIXEL_MAP_I_TO_B             = 0x0C74,
+        LOCAL_GL_PIXEL_MAP_I_TO_A             = 0x0C75,
+        LOCAL_GL_PIXEL_MAP_R_TO_R             = 0x0C76,
+        LOCAL_GL_PIXEL_MAP_G_TO_G             = 0x0C77,
+        LOCAL_GL_PIXEL_MAP_B_TO_B             = 0x0C78,
+        LOCAL_GL_PIXEL_MAP_A_TO_A             = 0x0C79,
+        LOCAL_GL_PACK_ALIGNMENT               = 0x0D05,
+        LOCAL_GL_PACK_LSB_FIRST               = 0x0D01,
+        LOCAL_GL_PACK_ROW_LENGTH              = 0x0D02,
+        LOCAL_GL_PACK_SKIP_PIXELS             = 0x0D04,
+        LOCAL_GL_PACK_SKIP_ROWS               = 0x0D03,
+        LOCAL_GL_PACK_SWAP_BYTES              = 0x0D00,
+        LOCAL_GL_UNPACK_ALIGNMENT             = 0x0CF5,
+        LOCAL_GL_UNPACK_LSB_FIRST             = 0x0CF1,
+        LOCAL_GL_UNPACK_ROW_LENGTH            = 0x0CF2,
+        LOCAL_GL_UNPACK_SKIP_PIXELS           = 0x0CF4,
+        LOCAL_GL_UNPACK_SKIP_ROWS             = 0x0CF3,
+        LOCAL_GL_UNPACK_SWAP_BYTES            = 0x0CF0,
+        LOCAL_GL_ZOOM_X                       = 0x0D16,
+        LOCAL_GL_ZOOM_Y                       = 0x0D17,
+
+        /* Texture mapping */
+        LOCAL_GL_TEXTURE_ENV                  = 0x2300,
+        LOCAL_GL_TEXTURE_ENV_MODE             = 0x2200,
+        LOCAL_GL_TEXTURE_1D                   = 0x0DE0,
+        LOCAL_GL_TEXTURE_2D                   = 0x0DE1,
+        LOCAL_GL_TEXTURE_WRAP_S               = 0x2802,
+        LOCAL_GL_TEXTURE_WRAP_T               = 0x2803,
+        LOCAL_GL_TEXTURE_MAG_FILTER           = 0x2800,
+        LOCAL_GL_TEXTURE_MIN_FILTER           = 0x2801,
+        LOCAL_GL_TEXTURE_ENV_COLOR            = 0x2201,
+        LOCAL_GL_TEXTURE_GEN_S                = 0x0C60,
+        LOCAL_GL_TEXTURE_GEN_T                = 0x0C61,
+        LOCAL_GL_TEXTURE_GEN_MODE             = 0x2500,
+        LOCAL_GL_TEXTURE_BORDER_COLOR         = 0x1004,
+        LOCAL_GL_TEXTURE_WIDTH                = 0x1000,
+        LOCAL_GL_TEXTURE_HEIGHT               = 0x1001,
+        LOCAL_GL_TEXTURE_BORDER               = 0x1005,
+        LOCAL_GL_TEXTURE_COMPONENTS           = 0x1003,
+        LOCAL_GL_TEXTURE_RED_SIZE             = 0x805C,
+        LOCAL_GL_TEXTURE_GREEN_SIZE           = 0x805D,
+        LOCAL_GL_TEXTURE_BLUE_SIZE            = 0x805E,
+        LOCAL_GL_TEXTURE_ALPHA_SIZE           = 0x805F,
+        LOCAL_GL_TEXTURE_LUMINANCE_SIZE       = 0x8060,
+        LOCAL_GL_TEXTURE_INTENSITY_SIZE       = 0x8061,
+        LOCAL_GL_NEAREST_MIPMAP_NEAREST       = 0x2700,
+        LOCAL_GL_NEAREST_MIPMAP_LINEAR        = 0x2702,
+        LOCAL_GL_LINEAR_MIPMAP_NEAREST        = 0x2701,
+        LOCAL_GL_LINEAR_MIPMAP_LINEAR         = 0x2703,
+        LOCAL_GL_OBJECT_LINEAR                = 0x2401,
+        LOCAL_GL_OBJECT_PLANE                 = 0x2501,
+        LOCAL_GL_EYE_LINEAR                   = 0x2400,
+        LOCAL_GL_EYE_PLANE                    = 0x2502,
+        LOCAL_GL_SPHERE_MAP                   = 0x2402,
+        LOCAL_GL_DECAL                        = 0x2101,
+        LOCAL_GL_MODULATE                     = 0x2100,
+        LOCAL_GL_NEAREST                      = 0x2600,
+        LOCAL_GL_REPEAT                       = 0x2901,
+        LOCAL_GL_CLAMP                        = 0x2900,
+        LOCAL_GL_S                            = 0x2000,
+        LOCAL_GL_T                            = 0x2001,
+        LOCAL_GL_R                            = 0x2002,
+        LOCAL_GL_Q                            = 0x2003,
+        LOCAL_GL_TEXTURE_GEN_R                = 0x0C62,
+        LOCAL_GL_TEXTURE_GEN_Q                = 0x0C63,
+
+        /* GL 1.1 texturing */
+        LOCAL_GL_PROXY_TEXTURE_1D             = 0x8063,
+        LOCAL_GL_PROXY_TEXTURE_2D             = 0x8064,
+        LOCAL_GL_TEXTURE_PRIORITY             = 0x8066,
+        LOCAL_GL_TEXTURE_RESIDENT             = 0x8067,
+        LOCAL_GL_TEXTURE_BINDING_1D           = 0x8068,
+        LOCAL_GL_TEXTURE_BINDING_2D           = 0x8069,
+        LOCAL_GL_TEXTURE_INTERNAL_FORMAT      = 0x1003,
+
+        /* GL 1.2 texturing */
+        LOCAL_GL_PACK_SKIP_IMAGES             = 0x806B,
+        LOCAL_GL_PACK_IMAGE_HEIGHT            = 0x806C,
+        LOCAL_GL_UNPACK_SKIP_IMAGES           = 0x806D,
+        LOCAL_GL_UNPACK_IMAGE_HEIGHT          = 0x806E,
+        LOCAL_GL_TEXTURE_3D                   = 0x806F,
+        LOCAL_GL_PROXY_TEXTURE_3D             = 0x8070,
+        LOCAL_GL_TEXTURE_DEPTH                = 0x8071,
+        LOCAL_GL_TEXTURE_WRAP_R               = 0x8072,
+        LOCAL_GL_MAX_3D_TEXTURE_SIZE          = 0x8073,
+        LOCAL_GL_TEXTURE_BINDING_3D           = 0x806A,
+
+        /* Internal texture formats (GL 1.1) */
+        LOCAL_GL_ALPHA4                       = 0x803B,
+        LOCAL_GL_ALPHA8                       = 0x803C,
+        LOCAL_GL_ALPHA12                      = 0x803D,
+        LOCAL_GL_ALPHA16                      = 0x803E,
+        LOCAL_GL_LUMINANCE4                   = 0x803F,
+        LOCAL_GL_LUMINANCE8                   = 0x8040,
+        LOCAL_GL_LUMINANCE12                  = 0x8041,
+        LOCAL_GL_LUMINANCE16                  = 0x8042,
+        LOCAL_GL_LUMINANCE4_ALPHA4            = 0x8043,
+        LOCAL_GL_LUMINANCE6_ALPHA2            = 0x8044,
+        LOCAL_GL_LUMINANCE8_ALPHA8            = 0x8045,
+        LOCAL_GL_LUMINANCE12_ALPHA4           = 0x8046,
+        LOCAL_GL_LUMINANCE12_ALPHA12          = 0x8047,
+        LOCAL_GL_LUMINANCE16_ALPHA16          = 0x8048,
+        LOCAL_GL_INTENSITY                    = 0x8049,
+        LOCAL_GL_INTENSITY4                   = 0x804A,
+        LOCAL_GL_INTENSITY8                   = 0x804B,
+        LOCAL_GL_INTENSITY12                  = 0x804C,
+        LOCAL_GL_INTENSITY16                  = 0x804D,
+        LOCAL_GL_R3_G3_B2                     = 0x2A10,
+        LOCAL_GL_RGB4                         = 0x804F,
+        LOCAL_GL_RGB5                         = 0x8050,
+        LOCAL_GL_RGB8                         = 0x8051,
+        LOCAL_GL_RGB10                        = 0x8052,
+        LOCAL_GL_RGB12                        = 0x8053,
+        LOCAL_GL_RGB16                        = 0x8054,
+        LOCAL_GL_RGBA2                        = 0x8055,
+        LOCAL_GL_RGBA4                        = 0x8056,
+        LOCAL_GL_RGB5_A1                      = 0x8057,
+        LOCAL_GL_RGBA8                        = 0x8058,
+        LOCAL_GL_RGB10_A2                     = 0x8059,
+        LOCAL_GL_RGBA12                       = 0x805A,
+        LOCAL_GL_RGBA16                       = 0x805B,
+
+        /* Utility */
+        LOCAL_GL_VENDOR                       = 0x1F00,
+        LOCAL_GL_RENDERER                     = 0x1F01,
+        LOCAL_GL_VERSION                      = 0x1F02,
+        LOCAL_GL_EXTENSIONS                   = 0x1F03,
+
+        /* Errors */
+        LOCAL_GL_INVALID_VALUE                = 0x0501,
+        LOCAL_GL_INVALID_ENUM                 = 0x0500,
+        LOCAL_GL_INVALID_OPERATION            = 0x0502,
+        LOCAL_GL_STACK_OVERFLOW               = 0x0503,
+        LOCAL_GL_STACK_UNDERFLOW              = 0x0504,
+        LOCAL_GL_OUT_OF_MEMORY                = 0x0505,
+
+        /*
+         * Extensions
+         */
+
+        /* LOCAL_GL_EXT_blend_minmax and LOCAL_GL_EXT_blend_color */
+        LOCAL_GL_CONSTANT_COLOR_EXT                   = 0x8001,
+        LOCAL_GL_ONE_MINUS_CONSTANT_COLOR_EXT         = 0x8002,
+        LOCAL_GL_CONSTANT_ALPHA_EXT                   = 0x8003,
+        LOCAL_GL_ONE_MINUS_CONSTANT_ALPHA_EXT         = 0x8004,
+        LOCAL_GL_BLEND_EQUATION_EXT                   = 0x8009,
+        LOCAL_GL_MIN_EXT                              = 0x8007,
+        LOCAL_GL_MAX_EXT                              = 0x8008,
+        LOCAL_GL_FUNC_ADD_EXT                         = 0x8006,
+        LOCAL_GL_FUNC_SUBTRACT_EXT                    = 0x800A,
+        LOCAL_GL_FUNC_REVERSE_SUBTRACT_EXT            = 0x800B,
+        LOCAL_GL_BLEND_COLOR_EXT                      = 0x8005,
+
+        /* LOCAL_GL_EXT_polygon_offset */
+        LOCAL_GL_POLYGON_OFFSET_EXT                   = 0x8037,
+        LOCAL_GL_POLYGON_OFFSET_FACTOR_EXT            = 0x8038,
+        LOCAL_GL_POLYGON_OFFSET_BIAS_EXT              = 0x8039,
+
+        /* LOCAL_GL_EXT_vertex_array */
+        LOCAL_GL_VERTEX_ARRAY_EXT                     = 0x8074,
+        LOCAL_GL_NORMAL_ARRAY_EXT                     = 0x8075,
+        LOCAL_GL_COLOR_ARRAY_EXT                      = 0x8076,
+        LOCAL_GL_INDEX_ARRAY_EXT                      = 0x8077,
+        LOCAL_GL_TEXTURE_COORD_ARRAY_EXT              = 0x8078,
+        LOCAL_GL_EDGE_FLAG_ARRAY_EXT                  = 0x8079,
+        LOCAL_GL_VERTEX_ARRAY_SIZE_EXT                = 0x807A,
+        LOCAL_GL_VERTEX_ARRAY_TYPE_EXT                = 0x807B,
+        LOCAL_GL_VERTEX_ARRAY_STRIDE_EXT              = 0x807C,
+        LOCAL_GL_VERTEX_ARRAY_COUNT_EXT               = 0x807D,
+        LOCAL_GL_NORMAL_ARRAY_TYPE_EXT                = 0x807E,
+        LOCAL_GL_NORMAL_ARRAY_STRIDE_EXT              = 0x807F,
+        LOCAL_GL_NORMAL_ARRAY_COUNT_EXT               = 0x8080,
+        LOCAL_GL_COLOR_ARRAY_SIZE_EXT                 = 0x8081,
+        LOCAL_GL_COLOR_ARRAY_TYPE_EXT                 = 0x8082,
+        LOCAL_GL_COLOR_ARRAY_STRIDE_EXT               = 0x8083,
+        LOCAL_GL_COLOR_ARRAY_COUNT_EXT                = 0x8084,
+        LOCAL_GL_INDEX_ARRAY_TYPE_EXT                 = 0x8085,
+        LOCAL_GL_INDEX_ARRAY_STRIDE_EXT               = 0x8086,
+        LOCAL_GL_INDEX_ARRAY_COUNT_EXT                = 0x8087,
+        LOCAL_GL_TEXTURE_COORD_ARRAY_SIZE_EXT         = 0x8088,
+        LOCAL_GL_TEXTURE_COORD_ARRAY_TYPE_EXT         = 0x8089,
+        LOCAL_GL_TEXTURE_COORD_ARRAY_STRIDE_EXT       = 0x808A,
+        LOCAL_GL_TEXTURE_COORD_ARRAY_COUNT_EXT        = 0x808B,
+        LOCAL_GL_EDGE_FLAG_ARRAY_STRIDE_EXT           = 0x808C,
+        LOCAL_GL_EDGE_FLAG_ARRAY_COUNT_EXT            = 0x808D,
+        LOCAL_GL_VERTEX_ARRAY_POINTER_EXT             = 0x808E,
+        LOCAL_GL_NORMAL_ARRAY_POINTER_EXT             = 0x808F,
+        LOCAL_GL_COLOR_ARRAY_POINTER_EXT              = 0x8090,
+        LOCAL_GL_INDEX_ARRAY_POINTER_EXT              = 0x8091,
+        LOCAL_GL_TEXTURE_COORD_ARRAY_POINTER_EXT      = 0x8092,
+        LOCAL_GL_EDGE_FLAG_ARRAY_POINTER_EXT          = 0x8093,
+
+        /* LOCAL_GL_EXT_texture_object */
+        LOCAL_GL_TEXTURE_PRIORITY_EXT                 = 0x8066,
+        LOCAL_GL_TEXTURE_RESIDENT_EXT                 = 0x8067,
+        LOCAL_GL_TEXTURE_1D_BINDING_EXT               = 0x8068,
+        LOCAL_GL_TEXTURE_2D_BINDING_EXT               = 0x8069,
+
+        /* LOCAL_GL_EXT_texture3D */
+        LOCAL_GL_PACK_SKIP_IMAGES_EXT                 = 0x806B,
+        LOCAL_GL_PACK_IMAGE_HEIGHT_EXT                = 0x806C,
+        LOCAL_GL_UNPACK_SKIP_IMAGES_EXT               = 0x806D,
+        LOCAL_GL_UNPACK_IMAGE_HEIGHT_EXT              = 0x806E,
+        LOCAL_GL_TEXTURE_3D_EXT                       = 0x806F,
+        LOCAL_GL_PROXY_TEXTURE_3D_EXT                 = 0x8070,
+        LOCAL_GL_TEXTURE_DEPTH_EXT                    = 0x8071,
+        LOCAL_GL_TEXTURE_WRAP_R_EXT                   = 0x8072,
+        LOCAL_GL_MAX_3D_TEXTURE_SIZE_EXT              = 0x8073,
+        LOCAL_GL_TEXTURE_3D_BINDING_EXT               = 0x806A,
+
+        /* LOCAL_GL_EXT_paletted_texture */
+        LOCAL_GL_TABLE_TOO_LARGE_EXT                  = 0x8031,
+        LOCAL_GL_COLOR_TABLE_FORMAT_EXT               = 0x80D8,
+        LOCAL_GL_COLOR_TABLE_WIDTH_EXT                = 0x80D9,
+        LOCAL_GL_COLOR_TABLE_RED_SIZE_EXT             = 0x80DA,
+        LOCAL_GL_COLOR_TABLE_GREEN_SIZE_EXT           = 0x80DB,
+        LOCAL_GL_COLOR_TABLE_BLUE_SIZE_EXT            = 0x80DC,
+        LOCAL_GL_COLOR_TABLE_ALPHA_SIZE_EXT           = 0x80DD,
+        LOCAL_GL_COLOR_TABLE_LUMINANCE_SIZE_EXT       = 0x80DE,
+        LOCAL_GL_COLOR_TABLE_INTENSITY_SIZE_EXT       = 0x80DF,
+        LOCAL_GL_TEXTURE_INDEX_SIZE_EXT               = 0x80ED,
+        LOCAL_GL_COLOR_INDEX1_EXT                     = 0x80E2,
+        LOCAL_GL_COLOR_INDEX2_EXT                     = 0x80E3,
+        LOCAL_GL_COLOR_INDEX4_EXT                     = 0x80E4,
+        LOCAL_GL_COLOR_INDEX8_EXT                     = 0x80E5,
+        LOCAL_GL_COLOR_INDEX12_EXT                    = 0x80E6,
+        LOCAL_GL_COLOR_INDEX16_EXT                    = 0x80E7,
+
+        /* LOCAL_GL_EXT_shared_texture_palette */
+        LOCAL_GL_SHARED_TEXTURE_PALETTE_EXT           = 0x81FB,
+
+        /* LOCAL_GL_EXT_point_parameters */
+        LOCAL_GL_POINT_SIZE_MIN_EXT                   = 0x8126,
+        LOCAL_GL_POINT_SIZE_MAX_EXT                   = 0x8127,
+        LOCAL_GL_POINT_FADE_THRESHOLD_SIZE_EXT        = 0x8128,
+        LOCAL_GL_DISTANCE_ATTENUATION_EXT             = 0x8129,
+
+        /* LOCAL_GL_EXT_rescale_normal */
+        LOCAL_GL_RESCALE_NORMAL_EXT                   = 0x803A,
+
+        /* LOCAL_GL_EXT_abgr */
+        LOCAL_GL_ABGR_EXT                             = 0x8000,
+
+        /* LOCAL_GL_SGIS_multitexture */
+        LOCAL_GL_SELECTED_TEXTURE_SGIS                = 0x835C,
+        LOCAL_GL_SELECTED_TEXTURE_COORD_SET_SGIS      = 0x835D,
+        LOCAL_GL_MAX_TEXTURES_SGIS                    = 0x835E,
+        LOCAL_GL_TEXTURE0_SGIS                        = 0x835F,
+        LOCAL_GL_TEXTURE1_SGIS                        = 0x8360,
+        LOCAL_GL_TEXTURE2_SGIS                        = 0x8361,
+        LOCAL_GL_TEXTURE3_SGIS                        = 0x8362,
+        LOCAL_GL_TEXTURE_COORD_SET_SOURCE_SGIS        = 0x8363,
+
+        /* LOCAL_GL_EXT_multitexture */
+        LOCAL_GL_SELECTED_TEXTURE_EXT                 = 0x83C0,
+        LOCAL_GL_SELECTED_TEXTURE_COORD_SET_EXT       = 0x83C1,
+        LOCAL_GL_SELECTED_TEXTURE_TRANSFORM_EXT       = 0x83C2,
+        LOCAL_GL_MAX_TEXTURES_EXT                     = 0x83C3,
+        LOCAL_GL_MAX_TEXTURE_COORD_SETS_EXT           = 0x83C4,
+        LOCAL_GL_TEXTURE_ENV_COORD_SET_EXT            = 0x83C5,
+        LOCAL_GL_TEXTURE0_EXT                         = 0x83C6,
+        LOCAL_GL_TEXTURE1_EXT                         = 0x83C7,
+        LOCAL_GL_TEXTURE2_EXT                         = 0x83C8,
+        LOCAL_GL_TEXTURE3_EXT                         = 0x83C9,
+
+        /* LOCAL_GL_SGIS_texture_edge_clamp */
+        LOCAL_GL_CLAMP_TO_EDGE_SGIS                   = 0x812F,
+
+        /* OpenGL 1.2 */
+        LOCAL_GL_RESCALE_NORMAL                       = 0x803A,
+        LOCAL_GL_CLAMP_TO_EDGE                        = 0x812F,
+        LOCAL_GL_MAX_ELEMENTS_VERTICES                = 0xF0E8,
+        LOCAL_GL_MAX_ELEMENTS_INDICES                 = 0xF0E9,
+        LOCAL_GL_BGR                                  = 0x80E0,
+        LOCAL_GL_BGRA                                 = 0x80E1,
+        LOCAL_GL_UNSIGNED_BYTE_3_3_2                  = 0x8032,
+        LOCAL_GL_UNSIGNED_BYTE_2_3_3_REV              = 0x8362,
+        LOCAL_GL_UNSIGNED_SHORT_5_6_5                 = 0x8363,
+        LOCAL_GL_UNSIGNED_SHORT_5_6_5_REV             = 0x8364,
+        LOCAL_GL_UNSIGNED_SHORT_4_4_4_4               = 0x8033,
+        LOCAL_GL_UNSIGNED_SHORT_4_4_4_4_REV           = 0x8365,
+        LOCAL_GL_UNSIGNED_SHORT_5_5_5_1               = 0x8034,
+        LOCAL_GL_UNSIGNED_SHORT_1_5_5_5_REV           = 0x8366,
+        LOCAL_GL_UNSIGNED_INT_8_8_8_8                 = 0x8035,
+        LOCAL_GL_UNSIGNED_INT_8_8_8_8_REV             = 0x8367,
+        LOCAL_GL_UNSIGNED_INT_10_10_10_2              = 0x8036,
+        LOCAL_GL_UNSIGNED_INT_2_10_10_10_REV          = 0x8368,
+        LOCAL_GL_LIGHT_MODEL_COLOR_CONTROL            = 0x81F8,
+        LOCAL_GL_SINGLE_COLOR                         = 0x81F9,
+        LOCAL_GL_SEPARATE_SPECULAR_COLOR              = 0x81FA,
+        LOCAL_GL_TEXTURE_MIN_LOD                      = 0x813A,
+        LOCAL_GL_TEXTURE_MAX_LOD                      = 0x813B,
+        LOCAL_GL_TEXTURE_BASE_LEVEL                   = 0x813C,
+        LOCAL_GL_TEXTURE_MAX_LEVEL                    = 0x813D
+};
+
+typedef struct { GLenum e; const char* name; } ENUM;
+#define EDEF(VAR) { (GLenum)(LOCAL_GL_##VAR), #VAR }
+
+static ENUM enums[] =
+  {
+  EDEF(BYTE),
+  EDEF(UNSIGNED_BYTE),
+  EDEF(SHORT),
+  EDEF(UNSIGNED_SHORT),
+  EDEF(INT),
+  EDEF(UNSIGNED_INT),
+  EDEF(FLOAT),
+  EDEF(DOUBLE),
+  EDEF(2_BYTES),
+  EDEF(3_BYTES),
+  EDEF(4_BYTES),
+/*
+  EDEF(LINES),
+  EDEF(POINTS),
+  EDEF(LINE_STRIP),
+  EDEF(LINE_LOOP),
+  EDEF(TRIANGLES),
+  EDEF(TRIANGLE_STRIP),
+  EDEF(TRIANGLE_FAN),
+  EDEF(QUADS),
+  EDEF(QUAD_STRIP),
+  EDEF(POLYGON),
+  EDEF(EDGE_FLAG),
+*/
+  EDEF(VERTEX_ARRAY),
+  EDEF(NORMAL_ARRAY),
+  EDEF(COLOR_ARRAY),
+  EDEF(INDEX_ARRAY),
+  EDEF(TEXTURE_COORD_ARRAY),
+  EDEF(EDGE_FLAG_ARRAY),
+  EDEF(VERTEX_ARRAY_SIZE),
+  EDEF(VERTEX_ARRAY_TYPE),
+  EDEF(VERTEX_ARRAY_STRIDE),
+  EDEF(NORMAL_ARRAY_TYPE),
+  EDEF(NORMAL_ARRAY_STRIDE),
+  EDEF(COLOR_ARRAY_SIZE),
+  EDEF(COLOR_ARRAY_TYPE),
+  EDEF(COLOR_ARRAY_STRIDE),
+  EDEF(INDEX_ARRAY_TYPE),
+  EDEF(INDEX_ARRAY_STRIDE),
+  EDEF(TEXTURE_COORD_ARRAY_SIZE),
+  EDEF(TEXTURE_COORD_ARRAY_TYPE),
+  EDEF(TEXTURE_COORD_ARRAY_STRIDE),
+  EDEF(EDGE_FLAG_ARRAY_STRIDE),
+  EDEF(VERTEX_ARRAY_POINTER),
+  EDEF(NORMAL_ARRAY_POINTER),
+  EDEF(COLOR_ARRAY_POINTER),
+  EDEF(INDEX_ARRAY_POINTER),
+  EDEF(TEXTURE_COORD_ARRAY_POINTER),
+  EDEF(EDGE_FLAG_ARRAY_POINTER),
+  EDEF(V2F),
+  EDEF(V3F),
+  EDEF(C4UB_V2F),
+  EDEF(C4UB_V3F),
+  EDEF(C3F_V3F),
+  EDEF(N3F_V3F),
+  EDEF(C4F_N3F_V3F),
+  EDEF(T2F_V3F),
+  EDEF(T4F_V4F),
+  EDEF(T2F_C4UB_V3F),
+  EDEF(T2F_C3F_V3F),
+  EDEF(T2F_N3F_V3F),
+  EDEF(T2F_C4F_N3F_V3F),
+  EDEF(T4F_C4F_N3F_V4F),
+  EDEF(MATRIX_MODE),
+  EDEF(MODELVIEW),
+  EDEF(PROJECTION),
+  EDEF(TEXTURE),
+  EDEF(POINT_SMOOTH),
+  EDEF(POINT_SIZE),
+  EDEF(POINT_SIZE_GRANULARITY),
+  EDEF(POINT_SIZE_RANGE),
+  EDEF(LINE_SMOOTH),
+  EDEF(LINE_STIPPLE),
+  EDEF(LINE_STIPPLE_PATTERN),
+  EDEF(LINE_STIPPLE_REPEAT),
+  EDEF(LINE_WIDTH),
+  EDEF(LINE_WIDTH_GRANULARITY),
+  EDEF(LINE_WIDTH_RANGE),
+  EDEF(POINT),
+  EDEF(LINE),
+  EDEF(FILL),
+  EDEF(CCW),
+  EDEF(CW),
+  EDEF(FRONT),
+  EDEF(BACK),
+  EDEF(CULL_FACE),
+  EDEF(CULL_FACE_MODE),
+  EDEF(POLYGON_SMOOTH),
+  EDEF(POLYGON_STIPPLE),
+  EDEF(FRONT_FACE),
+  EDEF(POLYGON_MODE),
+  EDEF(POLYGON_OFFSET_FACTOR),
+  EDEF(POLYGON_OFFSET_UNITS),
+  EDEF(POLYGON_OFFSET_POINT),
+  EDEF(POLYGON_OFFSET_LINE),
+  EDEF(POLYGON_OFFSET_FILL),
+  EDEF(COMPILE),
+  EDEF(COMPILE_AND_EXECUTE),
+  EDEF(LIST_BASE),
+  EDEF(LIST_INDEX),
+  EDEF(LIST_MODE),
+  EDEF(NEVER),
+  EDEF(LESS),
+  EDEF(GEQUAL),
+  EDEF(LEQUAL),
+  EDEF(GREATER),
+  EDEF(NOTEQUAL),
+  EDEF(EQUAL),
+  EDEF(ALWAYS),
+  EDEF(DEPTH_TEST),
+  EDEF(DEPTH_BITS),
+  EDEF(DEPTH_CLEAR_VALUE),
+  EDEF(DEPTH_FUNC),
+  EDEF(DEPTH_RANGE),
+  EDEF(DEPTH_WRITEMASK),
+  EDEF(DEPTH_COMPONENT),
+  EDEF(LIGHTING),
+  EDEF(LIGHT0),
+  EDEF(LIGHT1),
+  EDEF(LIGHT2),
+  EDEF(LIGHT3),
+  EDEF(LIGHT4),
+  EDEF(LIGHT5),
+  EDEF(LIGHT6),
+  EDEF(LIGHT7),
+  EDEF(SPOT_EXPONENT),
+  EDEF(SPOT_CUTOFF),
+  EDEF(CONSTANT_ATTENUATION),
+  EDEF(LINEAR_ATTENUATION),
+  EDEF(QUADRATIC_ATTENUATION),
+  EDEF(AMBIENT),
+  EDEF(DIFFUSE),
+  EDEF(SPECULAR),
+  EDEF(SHININESS),
+  EDEF(EMISSION),
+  EDEF(POSITION),
+  EDEF(SPOT_DIRECTION),
+  EDEF(AMBIENT_AND_DIFFUSE),
+  EDEF(COLOR_INDEXES),
+  EDEF(LIGHT_MODEL_TWO_SIDE),
+  EDEF(LIGHT_MODEL_LOCAL_VIEWER),
+  EDEF(LIGHT_MODEL_AMBIENT),
+  EDEF(FRONT_AND_BACK),
+  EDEF(SHADE_MODEL),
+  EDEF(FLAT),
+  EDEF(SMOOTH),
+  EDEF(COLOR_MATERIAL),
+  EDEF(COLOR_MATERIAL_FACE),
+  EDEF(COLOR_MATERIAL_PARAMETER),
+  EDEF(NORMALIZE),
+  EDEF(CLIP_PLANE0),
+  EDEF(CLIP_PLANE1),
+  EDEF(CLIP_PLANE2),
+  EDEF(CLIP_PLANE3),
+  EDEF(CLIP_PLANE4),
+  EDEF(CLIP_PLANE5),
+  EDEF(ACCUM_RED_BITS),
+  EDEF(ACCUM_GREEN_BITS),
+  EDEF(ACCUM_BLUE_BITS),
+  EDEF(ACCUM_ALPHA_BITS),
+  EDEF(ACCUM_CLEAR_VALUE),
+  EDEF(ACCUM),
+  EDEF(ADD),
+  EDEF(LOAD),
+  EDEF(MULT),
+  EDEF(RETURN),
+  EDEF(ALPHA_TEST),
+  EDEF(ALPHA_TEST_REF),
+  EDEF(ALPHA_TEST_FUNC),
+  EDEF(BLEND),
+  EDEF(BLEND_SRC),
+  EDEF(BLEND_DST),
+  EDEF(ZERO),
+  EDEF(ONE),
+  EDEF(SRC_COLOR),
+  EDEF(ONE_MINUS_SRC_COLOR),
+  EDEF(DST_COLOR),
+  EDEF(ONE_MINUS_DST_COLOR),
+  EDEF(SRC_ALPHA),
+  EDEF(ONE_MINUS_SRC_ALPHA),
+  EDEF(DST_ALPHA),
+  EDEF(ONE_MINUS_DST_ALPHA),
+  EDEF(SRC_ALPHA_SATURATE),
+  EDEF(CONSTANT_COLOR),
+  EDEF(ONE_MINUS_CONSTANT_COLOR),
+  EDEF(CONSTANT_ALPHA),
+  EDEF(ONE_MINUS_CONSTANT_ALPHA),
+  EDEF(FEEDBACK),
+  EDEF(RENDER),
+  EDEF(SELECT),
+  EDEF(2D),
+  EDEF(3D),
+  EDEF(3D_COLOR),
+  EDEF(3D_COLOR_TEXTURE),
+  EDEF(4D_COLOR_TEXTURE),
+  EDEF(POINT_TOKEN),
+  EDEF(LINE_TOKEN),
+  EDEF(LINE_RESET_TOKEN),
+  EDEF(POLYGON_TOKEN),
+  EDEF(BITMAP_TOKEN),
+  EDEF(DRAW_PIXEL_TOKEN),
+  EDEF(COPY_PIXEL_TOKEN),
+  EDEF(PASS_THROUGH_TOKEN),
+  EDEF(FEEDBACK_BUFFER_POINTER),
+  EDEF(FEEDBACK_BUFFER_SIZE),
+  EDEF(FEEDBACK_BUFFER_TYPE),
+  EDEF(SELECTION_BUFFER_POINTER),
+  EDEF(SELECTION_BUFFER_SIZE),
+  EDEF(FOG),
+  EDEF(FOG_MODE),
+  EDEF(FOG_DENSITY),
+  EDEF(FOG_COLOR),
+  EDEF(FOG_INDEX),
+  EDEF(FOG_START),
+  EDEF(FOG_END),
+  EDEF(LINEAR),
+  EDEF(EXP),
+  EDEF(EXP2),
+  EDEF(LOGIC_OP),
+  EDEF(INDEX_LOGIC_OP),
+  EDEF(COLOR_LOGIC_OP),
+  EDEF(LOGIC_OP_MODE),
+  EDEF(CLEAR),
+  EDEF(SET),
+  EDEF(COPY),
+  EDEF(COPY_INVERTED),
+  EDEF(NOOP),
+  EDEF(INVERT),
+  EDEF(AND),
+  EDEF(NAND),
+  EDEF(OR),
+  EDEF(NOR),
+  EDEF(XOR),
+  EDEF(EQUIV),
+  EDEF(AND_REVERSE),
+  EDEF(AND_INVERTED),
+  EDEF(OR_REVERSE),
+  EDEF(OR_INVERTED),
+  EDEF(STENCIL_TEST),
+  EDEF(STENCIL_WRITEMASK),
+  EDEF(STENCIL_BITS),
+  EDEF(STENCIL_FUNC),
+  EDEF(STENCIL_VALUE_MASK),
+  EDEF(STENCIL_REF),
+  EDEF(STENCIL_FAIL),
+  EDEF(STENCIL_PASS_DEPTH_PASS),
+  EDEF(STENCIL_PASS_DEPTH_FAIL),
+  EDEF(STENCIL_CLEAR_VALUE),
+  EDEF(STENCIL_INDEX),
+  EDEF(KEEP),
+  EDEF(REPLACE),
+  EDEF(INCR),
+  EDEF(DECR),
+  EDEF(NONE),
+  EDEF(LEFT),
+  EDEF(RIGHT),
+  EDEF(FRONT_LEFT),
+  EDEF(FRONT_RIGHT),
+  EDEF(BACK_LEFT),
+  EDEF(BACK_RIGHT),
+  EDEF(AUX0),
+  EDEF(AUX1),
+  EDEF(AUX2),
+  EDEF(AUX3),
+  EDEF(COLOR_INDEX),
+  EDEF(RED),
+  EDEF(GREEN),
+  EDEF(BLUE),
+  EDEF(ALPHA),
+  EDEF(LUMINANCE),
+  EDEF(LUMINANCE_ALPHA),
+  EDEF(ALPHA_BITS),
+  EDEF(RED_BITS),
+  EDEF(GREEN_BITS),
+  EDEF(BLUE_BITS),
+  EDEF(INDEX_BITS),
+  EDEF(SUBPIXEL_BITS),
+  EDEF(AUX_BUFFERS),
+  EDEF(READ_BUFFER),
+  EDEF(DRAW_BUFFER),
+  EDEF(DOUBLEBUFFER),
+  EDEF(STEREO),
+  EDEF(BITMAP),
+  EDEF(COLOR),
+  EDEF(DEPTH),
+  EDEF(STENCIL),
+  EDEF(DITHER),
+  EDEF(RGB),
+  EDEF(RGBA),
+  EDEF(MAX_LIST_NESTING),
+  EDEF(MAX_ATTRIB_STACK_DEPTH),
+  EDEF(MAX_MODELVIEW_STACK_DEPTH),
+  EDEF(MAX_NAME_STACK_DEPTH),
+  EDEF(MAX_PROJECTION_STACK_DEPTH),
+  EDEF(MAX_TEXTURE_STACK_DEPTH),
+  EDEF(MAX_EVAL_ORDER),
+  EDEF(MAX_LIGHTS),
+  EDEF(MAX_CLIP_PLANES),
+  EDEF(MAX_TEXTURE_SIZE),
+  EDEF(MAX_PIXEL_MAP_TABLE),
+  EDEF(MAX_VIEWPORT_DIMS),
+  EDEF(MAX_CLIENT_ATTRIB_STACK_DEPTH),
+  EDEF(ATTRIB_STACK_DEPTH),
+  EDEF(CLIENT_ATTRIB_STACK_DEPTH),
+  EDEF(COLOR_CLEAR_VALUE),
+  EDEF(COLOR_WRITEMASK),
+  EDEF(CURRENT_INDEX),
+  EDEF(CURRENT_COLOR),
+  EDEF(CURRENT_NORMAL),
+  EDEF(CURRENT_RASTER_COLOR),
+  EDEF(CURRENT_RASTER_DISTANCE),
+  EDEF(CURRENT_RASTER_INDEX),
+  EDEF(CURRENT_RASTER_POSITION),
+  EDEF(CURRENT_RASTER_TEXTURE_COORDS),
+  EDEF(CURRENT_RASTER_POSITION_VALID),
+  EDEF(CURRENT_TEXTURE_COORDS),
+  EDEF(INDEX_CLEAR_VALUE),
+  EDEF(INDEX_MODE),
+  EDEF(INDEX_WRITEMASK),
+  EDEF(MODELVIEW_MATRIX),
+  EDEF(MODELVIEW_STACK_DEPTH),
+  EDEF(NAME_STACK_DEPTH),
+  EDEF(PROJECTION_MATRIX),
+  EDEF(PROJECTION_STACK_DEPTH),
+  EDEF(RENDER_MODE),
+  EDEF(RGBA_MODE),
+  EDEF(TEXTURE_MATRIX),
+  EDEF(TEXTURE_STACK_DEPTH),
+  EDEF(VIEWPORT),
+  EDEF(AUTO_NORMAL),
+  EDEF(MAP1_COLOR_4),
+  EDEF(MAP1_GRID_DOMAIN),
+  EDEF(MAP1_GRID_SEGMENTS),
+  EDEF(MAP1_INDEX),
+  EDEF(MAP1_NORMAL),
+  EDEF(MAP1_TEXTURE_COORD_1),
+  EDEF(MAP1_TEXTURE_COORD_2),
+  EDEF(MAP1_TEXTURE_COORD_3),
+  EDEF(MAP1_TEXTURE_COORD_4),
+  EDEF(MAP1_VERTEX_3),
+  EDEF(MAP1_VERTEX_4),
+  EDEF(MAP2_COLOR_4),
+  EDEF(MAP2_GRID_DOMAIN),
+  EDEF(MAP2_GRID_SEGMENTS),
+  EDEF(MAP2_INDEX),
+  EDEF(MAP2_NORMAL),
+  EDEF(MAP2_TEXTURE_COORD_1),
+  EDEF(MAP2_TEXTURE_COORD_2),
+  EDEF(MAP2_TEXTURE_COORD_3),
+  EDEF(MAP2_TEXTURE_COORD_4),
+  EDEF(MAP2_VERTEX_3),
+  EDEF(MAP2_VERTEX_4),
+  EDEF(COEFF),
+  EDEF(DOMAIN),
+  EDEF(ORDER),
+  EDEF(FOG_HINT),
+  EDEF(LINE_SMOOTH_HINT),
+  EDEF(PERSPECTIVE_CORRECTION_HINT),
+  EDEF(POINT_SMOOTH_HINT),
+  EDEF(POLYGON_SMOOTH_HINT),
+  EDEF(DONT_CARE),
+  EDEF(FASTEST),
+  EDEF(NICEST),
+  EDEF(SCISSOR_TEST),
+  EDEF(SCISSOR_BOX),
+  EDEF(MAP_COLOR),
+  EDEF(MAP_STENCIL),
+  EDEF(INDEX_SHIFT),
+  EDEF(INDEX_OFFSET),
+  EDEF(RED_SCALE),
+  EDEF(RED_BIAS),
+  EDEF(GREEN_SCALE),
+  EDEF(GREEN_BIAS),
+  EDEF(BLUE_SCALE),
+  EDEF(BLUE_BIAS),
+  EDEF(ALPHA_SCALE),
+  EDEF(ALPHA_BIAS),
+  EDEF(DEPTH_SCALE),
+  EDEF(DEPTH_BIAS),
+  EDEF(PIXEL_MAP_S_TO_S_SIZE),
+  EDEF(PIXEL_MAP_I_TO_I_SIZE),
+  EDEF(PIXEL_MAP_I_TO_R_SIZE),
+  EDEF(PIXEL_MAP_I_TO_G_SIZE),
+  EDEF(PIXEL_MAP_I_TO_B_SIZE),
+  EDEF(PIXEL_MAP_I_TO_A_SIZE),
+  EDEF(PIXEL_MAP_R_TO_R_SIZE),
+  EDEF(PIXEL_MAP_G_TO_G_SIZE),
+  EDEF(PIXEL_MAP_B_TO_B_SIZE),
+  EDEF(PIXEL_MAP_A_TO_A_SIZE),
+  EDEF(PIXEL_MAP_S_TO_S),
+  EDEF(PIXEL_MAP_I_TO_I),
+  EDEF(PIXEL_MAP_I_TO_R),
+  EDEF(PIXEL_MAP_I_TO_G),
+  EDEF(PIXEL_MAP_I_TO_B),
+  EDEF(PIXEL_MAP_I_TO_A),
+  EDEF(PIXEL_MAP_R_TO_R),
+  EDEF(PIXEL_MAP_G_TO_G),
+  EDEF(PIXEL_MAP_B_TO_B),
+  EDEF(PIXEL_MAP_A_TO_A),
+  EDEF(PACK_ALIGNMENT),
+  EDEF(PACK_LSB_FIRST),
+  EDEF(PACK_ROW_LENGTH),
+  EDEF(PACK_SKIP_PIXELS),
+  EDEF(PACK_SKIP_ROWS),
+  EDEF(PACK_SWAP_BYTES),
+  EDEF(UNPACK_ALIGNMENT),
+  EDEF(UNPACK_LSB_FIRST),
+  EDEF(UNPACK_ROW_LENGTH),
+  EDEF(UNPACK_SKIP_PIXELS),
+  EDEF(UNPACK_SKIP_ROWS),
+  EDEF(UNPACK_SWAP_BYTES),
+  EDEF(ZOOM_X),
+  EDEF(ZOOM_Y),
+  EDEF(TEXTURE_ENV),
+  EDEF(TEXTURE_ENV_MODE),
+  EDEF(TEXTURE_1D),
+  EDEF(TEXTURE_2D),
+  EDEF(TEXTURE_WRAP_S),
+  EDEF(TEXTURE_WRAP_T),
+  EDEF(TEXTURE_MAG_FILTER),
+  EDEF(TEXTURE_MIN_FILTER),
+  EDEF(TEXTURE_ENV_COLOR),
+  EDEF(TEXTURE_GEN_S),
+  EDEF(TEXTURE_GEN_T),
+  EDEF(TEXTURE_GEN_MODE),
+  EDEF(TEXTURE_BORDER_COLOR),
+  EDEF(TEXTURE_WIDTH),
+  EDEF(TEXTURE_HEIGHT),
+  EDEF(TEXTURE_BORDER),
+  EDEF(TEXTURE_COMPONENTS),
+  EDEF(TEXTURE_RED_SIZE),
+  EDEF(TEXTURE_GREEN_SIZE),
+  EDEF(TEXTURE_BLUE_SIZE),
+  EDEF(TEXTURE_ALPHA_SIZE),
+  EDEF(TEXTURE_LUMINANCE_SIZE),
+  EDEF(TEXTURE_INTENSITY_SIZE),
+  EDEF(NEAREST_MIPMAP_NEAREST),
+  EDEF(NEAREST_MIPMAP_LINEAR),
+  EDEF(LINEAR_MIPMAP_NEAREST),
+  EDEF(LINEAR_MIPMAP_LINEAR),
+  EDEF(OBJECT_LINEAR),
+  EDEF(OBJECT_PLANE),
+  EDEF(EYE_LINEAR),
+  EDEF(EYE_PLANE),
+  EDEF(SPHERE_MAP),
+  EDEF(DECAL),
+  EDEF(MODULATE),
+  EDEF(NEAREST),
+  EDEF(REPEAT),
+  EDEF(CLAMP),
+  EDEF(S),
+  EDEF(T),
+  EDEF(R),
+  EDEF(Q),
+  EDEF(TEXTURE_GEN_R),
+  EDEF(TEXTURE_GEN_Q),
+  EDEF(PROXY_TEXTURE_1D),
+  EDEF(PROXY_TEXTURE_2D),
+  EDEF(TEXTURE_PRIORITY),
+  EDEF(TEXTURE_RESIDENT),
+  EDEF(TEXTURE_BINDING_1D),
+  EDEF(TEXTURE_BINDING_2D),
+  EDEF(TEXTURE_INTERNAL_FORMAT),
+  EDEF(PACK_SKIP_IMAGES),
+  EDEF(PACK_IMAGE_HEIGHT),
+  EDEF(UNPACK_SKIP_IMAGES),
+  EDEF(UNPACK_IMAGE_HEIGHT),
+  EDEF(TEXTURE_3D),
+  EDEF(PROXY_TEXTURE_3D),
+  EDEF(TEXTURE_DEPTH),
+  EDEF(TEXTURE_WRAP_R),
+  EDEF(MAX_3D_TEXTURE_SIZE),
+  EDEF(TEXTURE_BINDING_3D),
+  EDEF(ALPHA4),
+  EDEF(ALPHA8),
+  EDEF(ALPHA12),
+  EDEF(ALPHA16),
+  EDEF(LUMINANCE4),
+  EDEF(LUMINANCE8),
+  EDEF(LUMINANCE12),
+  EDEF(LUMINANCE16),
+  EDEF(LUMINANCE4_ALPHA4),
+  EDEF(LUMINANCE6_ALPHA2),
+  EDEF(LUMINANCE8_ALPHA8),
+  EDEF(LUMINANCE12_ALPHA4),
+  EDEF(LUMINANCE12_ALPHA12),
+  EDEF(LUMINANCE16_ALPHA16),
+  EDEF(INTENSITY),
+  EDEF(INTENSITY4),
+  EDEF(INTENSITY8),
+  EDEF(INTENSITY12),
+  EDEF(INTENSITY16),
+  EDEF(R3_G3_B2),
+  EDEF(RGB4),
+  EDEF(RGB5),
+  EDEF(RGB8),
+  EDEF(RGB10),
+  EDEF(RGB12),
+  EDEF(RGB16),
+  EDEF(RGBA2),
+  EDEF(RGBA4),
+  EDEF(RGB5_A1),
+  EDEF(RGBA8),
+  EDEF(RGB10_A2),
+  EDEF(RGBA12),
+  EDEF(RGBA16),
+  EDEF(VENDOR),
+  EDEF(RENDERER),
+  EDEF(VERSION),
+  EDEF(EXTENSIONS),
+  EDEF(INVALID_VALUE),
+  EDEF(INVALID_ENUM),
+  EDEF(INVALID_OPERATION),
+  EDEF(STACK_OVERFLOW),
+  EDEF(STACK_UNDERFLOW),
+  EDEF(OUT_OF_MEMORY),
+
+  /* extensions */
+  EDEF(CONSTANT_COLOR_EXT),
+  EDEF(ONE_MINUS_CONSTANT_COLOR_EXT),
+  EDEF(CONSTANT_ALPHA_EXT),
+  EDEF(ONE_MINUS_CONSTANT_ALPHA_EXT),
+  EDEF(BLEND_EQUATION_EXT),
+  EDEF(MIN_EXT),
+  EDEF(MAX_EXT),
+  EDEF(FUNC_ADD_EXT),
+  EDEF(FUNC_SUBTRACT_EXT),
+  EDEF(FUNC_REVERSE_SUBTRACT_EXT),
+  EDEF(BLEND_COLOR_EXT),
+  EDEF(POLYGON_OFFSET_EXT),
+  EDEF(POLYGON_OFFSET_FACTOR_EXT),
+  EDEF(POLYGON_OFFSET_BIAS_EXT),
+  EDEF(VERTEX_ARRAY_EXT),
+  EDEF(NORMAL_ARRAY_EXT),
+  EDEF(COLOR_ARRAY_EXT),
+  EDEF(INDEX_ARRAY_EXT),
+  EDEF(TEXTURE_COORD_ARRAY_EXT),
+  EDEF(EDGE_FLAG_ARRAY_EXT),
+  EDEF(VERTEX_ARRAY_SIZE_EXT),
+  EDEF(VERTEX_ARRAY_TYPE_EXT),
+  EDEF(VERTEX_ARRAY_STRIDE_EXT),
+  EDEF(VERTEX_ARRAY_COUNT_EXT),
+  EDEF(NORMAL_ARRAY_TYPE_EXT),
+  EDEF(NORMAL_ARRAY_STRIDE_EXT),
+  EDEF(NORMAL_ARRAY_COUNT_EXT),
+  EDEF(COLOR_ARRAY_SIZE_EXT),
+  EDEF(COLOR_ARRAY_TYPE_EXT),
+  EDEF(COLOR_ARRAY_STRIDE_EXT),
+  EDEF(COLOR_ARRAY_COUNT_EXT),
+  EDEF(INDEX_ARRAY_TYPE_EXT),
+  EDEF(INDEX_ARRAY_STRIDE_EXT),
+  EDEF(INDEX_ARRAY_COUNT_EXT),
+  EDEF(TEXTURE_COORD_ARRAY_SIZE_EXT),
+  EDEF(TEXTURE_COORD_ARRAY_TYPE_EXT),
+  EDEF(TEXTURE_COORD_ARRAY_STRIDE_EXT),
+  EDEF(TEXTURE_COORD_ARRAY_COUNT_EXT),
+  EDEF(EDGE_FLAG_ARRAY_STRIDE_EXT),
+  EDEF(EDGE_FLAG_ARRAY_COUNT_EXT),
+  EDEF(VERTEX_ARRAY_POINTER_EXT),
+  EDEF(NORMAL_ARRAY_POINTER_EXT),
+  EDEF(COLOR_ARRAY_POINTER_EXT),
+  EDEF(INDEX_ARRAY_POINTER_EXT),
+  EDEF(TEXTURE_COORD_ARRAY_POINTER_EXT),
+  EDEF(EDGE_FLAG_ARRAY_POINTER_EXT),
+  EDEF(TEXTURE_PRIORITY_EXT),
+  EDEF(TEXTURE_RESIDENT_EXT),
+  EDEF(TEXTURE_1D_BINDING_EXT),
+  EDEF(TEXTURE_2D_BINDING_EXT),
+  EDEF(PACK_SKIP_IMAGES_EXT),
+  EDEF(PACK_IMAGE_HEIGHT_EXT),
+  EDEF(UNPACK_SKIP_IMAGES_EXT),
+  EDEF(UNPACK_IMAGE_HEIGHT_EXT),
+  EDEF(TEXTURE_3D_EXT),
+  EDEF(PROXY_TEXTURE_3D_EXT),
+  EDEF(TEXTURE_DEPTH_EXT),
+  EDEF(TEXTURE_WRAP_R_EXT),
+  EDEF(MAX_3D_TEXTURE_SIZE_EXT),
+  EDEF(TEXTURE_3D_BINDING_EXT),
+  EDEF(TABLE_TOO_LARGE_EXT),
+  EDEF(COLOR_TABLE_FORMAT_EXT),
+  EDEF(COLOR_TABLE_WIDTH_EXT),
+  EDEF(COLOR_TABLE_RED_SIZE_EXT),
+  EDEF(COLOR_TABLE_GREEN_SIZE_EXT),
+  EDEF(COLOR_TABLE_BLUE_SIZE_EXT),
+  EDEF(COLOR_TABLE_ALPHA_SIZE_EXT),
+  EDEF(COLOR_TABLE_LUMINANCE_SIZE_EXT),
+  EDEF(COLOR_TABLE_INTENSITY_SIZE_EXT),
+  EDEF(TEXTURE_INDEX_SIZE_EXT),
+  EDEF(COLOR_INDEX1_EXT),
+  EDEF(COLOR_INDEX2_EXT),
+  EDEF(COLOR_INDEX4_EXT),
+  EDEF(COLOR_INDEX8_EXT),
+  EDEF(COLOR_INDEX12_EXT),
+  EDEF(COLOR_INDEX16_EXT),
+  EDEF(SHARED_TEXTURE_PALETTE_EXT),
+  EDEF(POINT_SIZE_MIN_EXT),
+  EDEF(POINT_SIZE_MAX_EXT),
+  EDEF(POINT_FADE_THRESHOLD_SIZE_EXT),
+  EDEF(DISTANCE_ATTENUATION_EXT),
+  EDEF(RESCALE_NORMAL_EXT),
+  EDEF(ABGR_EXT),
+  EDEF(SELECTED_TEXTURE_SGIS),
+  EDEF(SELECTED_TEXTURE_COORD_SET_SGIS),
+  EDEF(MAX_TEXTURES_SGIS),
+  EDEF(TEXTURE0_SGIS),
+  EDEF(TEXTURE1_SGIS),
+  EDEF(TEXTURE2_SGIS),
+  EDEF(TEXTURE3_SGIS),
+  EDEF(TEXTURE_COORD_SET_SOURCE_SGIS),
+  EDEF(SELECTED_TEXTURE_EXT),
+  EDEF(SELECTED_TEXTURE_COORD_SET_EXT),
+  EDEF(SELECTED_TEXTURE_TRANSFORM_EXT),
+  EDEF(MAX_TEXTURES_EXT),
+  EDEF(MAX_TEXTURE_COORD_SETS_EXT),
+  EDEF(TEXTURE_ENV_COORD_SET_EXT),
+  EDEF(TEXTURE0_EXT),
+  EDEF(TEXTURE1_EXT),
+  EDEF(TEXTURE2_EXT),
+  EDEF(TEXTURE3_EXT),
+  EDEF(CLAMP_TO_EDGE_SGIS),
+  EDEF(RESCALE_NORMAL),
+  EDEF(CLAMP_TO_EDGE),
+  EDEF(MAX_ELEMENTS_VERTICES),
+  EDEF(MAX_ELEMENTS_INDICES),
+  EDEF(BGR),
+  EDEF(BGRA),
+  EDEF(UNSIGNED_BYTE_3_3_2),
+  EDEF(UNSIGNED_BYTE_2_3_3_REV),
+  EDEF(UNSIGNED_SHORT_5_6_5),
+  EDEF(UNSIGNED_SHORT_5_6_5_REV),
+  EDEF(UNSIGNED_SHORT_4_4_4_4),
+  EDEF(UNSIGNED_SHORT_4_4_4_4_REV),
+  EDEF(UNSIGNED_SHORT_5_5_5_1),
+  EDEF(UNSIGNED_SHORT_1_5_5_5_REV),
+  EDEF(UNSIGNED_INT_8_8_8_8),
+  EDEF(UNSIGNED_INT_8_8_8_8_REV),
+  EDEF(UNSIGNED_INT_10_10_10_2),
+  EDEF(UNSIGNED_INT_2_10_10_10_REV),
+  EDEF(LIGHT_MODEL_COLOR_CONTROL),
+  EDEF(SINGLE_COLOR),
+  EDEF(SEPARATE_SPECULAR_COLOR),
+  EDEF(TEXTURE_MIN_LOD),
+  EDEF(TEXTURE_MAX_LOD),
+  EDEF(TEXTURE_BASE_LEVEL),
+  EDEF(TEXTURE_MAX_LEVEL)
+};
+
+#undef EDEF
+
+#define N_ENUMS (sizeof(enums) / sizeof(ENUM))
+
+/***************************************************************************/
+
+static void print_enum_name( FILE* OUT, GLenum e )
+{
+  int i, found= 0;
+  for( i= 0; i < N_ENUMS; ++i )
+    {
+    if( enums[i].e == e )
+      {
+      if( found )
+        fprintf( OUT, "/" );
+      found= 1;
+      fprintf( OUT, "%s", enums[i].name );
+      }
+    }
+  if( ! found )
+    fprintf( OUT, "*UNKNOWN* [%04x]", (int)e );
+  fprintf( OUT, "\n" );
+}
+
+#define BOOL_STRING(b) (b ? "true" : "false")
+
+#define VAR_ENUM(VAR)                            \
+        {                                        \
+        GLint e= 0;                              \
+        glGetIntegerv(GL_##VAR,&e);              \
+        fprintf( OUT, "%s: ", #VAR );            \
+        print_enum_name( OUT, (GLenum) e );      \
+        }
+
+#define VAR_FLOAT4(VAR)                          \
+        {                                        \
+        GLfloat f[4];                            \
+        f[0]= f[1]= f[2]= f[3]= 0.0;             \
+        glGetFloatv(GL_##VAR,f);                 \
+        fprintf( OUT, "%s: [%f %f %f %f]\n",     \
+                 #VAR, f[0], f[1], f[2], f[3] ); \
+        }
+
+#define VAR_MAT_FLOAT4(VAR)                        \
+        {                                          \
+        GLfloat f[4];                              \
+        f[0]= f[1]= f[2]= f[3]= 0.0;               \
+        glGetMaterialfv(GL_FRONT,GL_##VAR,f);      \
+        fprintf( OUT, "FRONT_%s: [%f %f %f %f]\n", \
+                 #VAR, f[0], f[1], f[2], f[3] );   \
+        glGetMaterialfv(GL_BACK,GL_##VAR,f);       \
+        fprintf( OUT, " BACK_%s: [%f %f %f %f]\n", \
+                 #VAR, f[0], f[1], f[2], f[3] );   \
+        }
+
+#define VAR_LIGHT_FLOAT4(LIGHT,VAR)                     \
+        {                                               \
+        GLfloat f[4];                                   \
+        f[0]= f[1]= f[2]= f[3]= 0.0;                    \
+        glGetLightfv(GL_LIGHT0+LIGHT,GL_##VAR,f);       \
+        fprintf( OUT, "LIGHT%d.%s: [%f %f %f %f]\n",    \
+                 LIGHT, #VAR, f[0], f[1], f[2], f[3] ); \
+        }
+
+#define VAR_LIGHT_FLOAT3(LIGHT,VAR)               \
+        {                                         \
+        GLfloat f[3];                             \
+        f[0]= f[1]= f[2]= 0.0;                    \
+        glGetLightfv(GL_LIGHT0+LIGHT,GL_##VAR,f); \
+        fprintf( OUT, "LIGHT%d.%s: [%f %f %f]\n", \
+                 LIGHT, #VAR, f[0], f[1], f[2] ); \
+        }
+
+#define VAR_FLOAT3(VAR)                    \
+        {                                  \
+        GLfloat f[3];                      \
+        f[0]= f[1]= f[2]= 0.0;             \
+        glGetFloatv(GL_##VAR,f) ;          \
+        fprintf( OUT, "%s: [%f %f %f]\n",  \
+                 #VAR, f[0], f[1], f[2] ); \
+        }
+#define VAR_FLOAT2(VAR)                \
+        {                              \
+        GLfloat f[2];                  \
+        f[0]= f[1]= 0.0;               \
+        glGetFloatv(GL_##VAR,f);       \
+        fprintf( OUT, "%s: [%f %f]\n", \
+                 #VAR, f[0], f[1] );   \
+        }
+
+#define VAR_COLOR(VAR)    VAR_FLOAT4(VAR)
+#define VAR_TEXCOORD(VAR) VAR_FLOAT4(VAR)
+#define VAR_NORMAL(VAR)   VAR_FLOAT3(VAR)
+
+#define VAR_MAT_COLOR(VAR)         VAR_MAT_FLOAT4(VAR)
+#define VAR_LIGHT_COLOR(LIGHT,VAR) VAR_LIGHT_FLOAT4(LIGHT,VAR)
+
+#define VAR_FLOAT(VAR)                       \
+        {                                    \
+        GLfloat f= 0.0;                      \
+        glGetFloatv(GL_##VAR,&f);            \
+        fprintf( OUT, "%s: %f\n", #VAR, f ); \
+        }
+
+#define VAR_MAT_FLOAT(VAR)                         \
+        {                                          \
+        GLfloat f= 0.0;                            \
+        glGetMaterialfv(GL_FRONT,GL_##VAR,&f);     \
+        fprintf( OUT, "FRONT_%s: %f\n", #VAR, f ); \
+        glGetMaterialfv(GL_BACK,GL_##VAR,&f);      \
+        fprintf( OUT, " BACK_%s: %f\n", #VAR, f ); \
+        }
+
+#define VAR_LIGHT_FLOAT(LIGHT,VAR)                 \
+        {                                          \
+        GLfloat f= 0.0;                            \
+        glGetLightfv(GL_LIGHT0+LIGHT,GL_##VAR,&f); \
+        fprintf( OUT, "LIGHT%d.%s: %f\n",          \
+                 LIGHT, #VAR, f );                 \
+        }
+
+#define VAR_INT(VAR)                         \
+        {                                    \
+        GLint i= 0;                          \
+        glGetIntegerv(GL_##VAR,&i);          \
+        fprintf( OUT, "%s: %d\n", #VAR, (int)i ); \
+        }
+#define VAR_INTEGER(VAR) VAR_INT(VAR)
+#define VAR_INDEX(VAR)   VAR_INT(VAR)
+#define VAR_HEXINT(VAR)                        \
+        {                                      \
+        GLint i= 0;                            \
+        glGetIntegerv(GL_##VAR,&i);            \
+        fprintf( OUT, "%s: 0x%04x\n", #VAR, (int)i ); \
+        }
+#define VAR_INT4(VAR)                            \
+        {                                        \
+        GLint i[4];                              \
+        i[0]= i[1]= i[2]= i[3]= 0;               \
+        glGetIntegerv(GL_##VAR,i);               \
+        fprintf( OUT, "%s: [%d %d %d %d]\n",     \
+                 #VAR, (int)i[0], (int)i[1], (int)i[2], (int)i[3] ); \
+        }
+#define VAR_BOOL(VAR)                                     \
+        {                                                 \
+        GLboolean b= 0;                                   \
+        glGetBooleanv(GL_##VAR,&b);                       \
+        fprintf( OUT, "%s: %s\n", #VAR, BOOL_STRING(b) ); \
+        }
+#define VAR_BOOL4(VAR)                                    \
+        {                                                 \
+        GLboolean b[4];                                   \
+        b[0]= b[1]= b[2]= b[3]= 0;                        \
+        glGetBooleanv(GL_##VAR,b);                        \
+        fprintf( OUT, "%s: [%s %s %s %s]\n",              \
+                 #VAR,                                    \
+                 BOOL_STRING(b[0]),                       \
+                 BOOL_STRING(b[1]),                       \
+                 BOOL_STRING(b[2]),                       \
+                 BOOL_STRING(b[3]) );                     \
+        }
+#define VAR_PTR(VAR)                         \
+        {                                    \
+        GLvoid* p= 0;                        \
+        glGetPointerv(GL_##VAR,&p);          \
+        fprintf( OUT, "%s: %p\n", #VAR, p ); \
+        }
+#define VAR_MATRIX(VAR)                                    \
+        {                                                  \
+        GLfloat m[16];                                     \
+        int i;                                             \
+        for( i= 0; i < 16; ++i ) m[i]= 0.0;                \
+        glGetFloatv(GL_##VAR,m);                           \
+        fprintf( OUT,                                      \
+                 "%s:\n\t[%+.6f %+.6f %+.6f %+.6f]\n\t[%+.6f %+.6f %+.6f 
+%+.6f]\n\t[%+.6f %+.6f %+.6f %+.6f]\n\t[%+.6f %+.6f %+.6f %+.6f]\n", \
+                 #VAR,                                     \
+                 m[0+0*4], m[0+1*4], m[0+2*4], m[0+3*4],   \
+                 m[1+0*4], m[1+1*4], m[1+2*4], m[1+3*4],   \
+                 m[2+0*4], m[2+1*4], m[2+2*4], m[2+3*4],   \
+                 m[3+0*4], m[3+1*4], m[3+2*4], m[3+3*4] ); \
+        }
+
+/***************************************************************************/
+
+/*
+#define OUT stderr
+*/
+void dump_opengl_state( FILE* OUT )
+{
+  int i;
+  GLint n_lights= 0;
+
+  glGetIntegerv( GL_MAX_LIGHTS, &n_lights );
+
+  VAR_COLOR(CURRENT_COLOR)
+  VAR_INDEX(CURRENT_INDEX)
+  VAR_TEXCOORD(CURRENT_TEXTURE_COORDS)
+  VAR_NORMAL(CURRENT_NORMAL)
+  VAR_FLOAT4(CURRENT_RASTER_POSITION)
+  VAR_FLOAT(CURRENT_RASTER_DISTANCE)
+  VAR_COLOR(CURRENT_RASTER_COLOR)
+  VAR_INDEX(CURRENT_RASTER_INDEX)
+  VAR_TEXCOORD(CURRENT_RASTER_TEXTURE_COORDS)
+  VAR_BOOL(CURRENT_RASTER_POSITION_VALID)
+  VAR_BOOL(EDGE_FLAG)
+
+  VAR_BOOL   (VERTEX_ARRAY)
+  VAR_INTEGER(VERTEX_ARRAY_SIZE)
+  VAR_ENUM   (VERTEX_ARRAY_TYPE)
+  VAR_INTEGER(VERTEX_ARRAY_STRIDE)
+  VAR_PTR    (VERTEX_ARRAY_POINTER)
+
+  VAR_BOOL   (NORMAL_ARRAY)
+  VAR_ENUM   (NORMAL_ARRAY_TYPE)
+  VAR_INTEGER(NORMAL_ARRAY_STRIDE)
+  VAR_PTR    (NORMAL_ARRAY_POINTER)
+
+  VAR_BOOL   (COLOR_ARRAY)
+  VAR_INTEGER(COLOR_ARRAY_SIZE)
+  VAR_ENUM   (COLOR_ARRAY_TYPE)
+  VAR_INTEGER(COLOR_ARRAY_STRIDE)
+  VAR_PTR    (COLOR_ARRAY_POINTER)
+
+  VAR_BOOL   (INDEX_ARRAY)
+  VAR_ENUM   (INDEX_ARRAY_TYPE)
+  VAR_INTEGER(INDEX_ARRAY_STRIDE)
+  VAR_PTR    (INDEX_ARRAY_POINTER)
+
+  VAR_BOOL   (TEXTURE_COORD_ARRAY)
+  VAR_INTEGER(TEXTURE_COORD_ARRAY_SIZE)
+  VAR_ENUM   (TEXTURE_COORD_ARRAY_TYPE)
+  VAR_INTEGER(TEXTURE_COORD_ARRAY_STRIDE)
+  VAR_PTR    (TEXTURE_COORD_ARRAY_POINTER)
+
+  VAR_BOOL   (EDGE_FLAG_ARRAY)
+  VAR_INTEGER(EDGE_FLAG_ARRAY_STRIDE)
+  VAR_PTR    (EDGE_FLAG_ARRAY_POINTER)
+
+  VAR_MATRIX(MODELVIEW_MATRIX)
+  VAR_MATRIX(PROJECTION_MATRIX)
+  VAR_MATRIX(TEXTURE_MATRIX)
+  VAR_INT4(VIEWPORT)
+  VAR_FLOAT2(DEPTH_RANGE)
+  VAR_INT(MODELVIEW_STACK_DEPTH)
+  VAR_INT(PROJECTION_STACK_DEPTH)
+  VAR_INT(TEXTURE_STACK_DEPTH)
+  VAR_ENUM(MATRIX_MODE)
+  VAR_BOOL(NORMALIZE)
+  VAR_BOOL(RESCALE_NORMAL_EXT)
+  VAR_BOOL(CLIP_PLANE0)
+  VAR_BOOL(CLIP_PLANE1)
+  VAR_BOOL(CLIP_PLANE2)
+  VAR_BOOL(CLIP_PLANE3)
+  VAR_BOOL(CLIP_PLANE4)
+  VAR_BOOL(CLIP_PLANE5)
+  /* + glGetClipPlane() */
+
+  VAR_COLOR(FOG_COLOR)
+  VAR_INDEX(FOG_INDEX)
+  VAR_FLOAT(FOG_DENSITY)
+  VAR_FLOAT(FOG_START)
+  VAR_FLOAT(FOG_END)
+  VAR_ENUM(FOG_MODE)
+  VAR_BOOL(FOG)
+  VAR_ENUM(SHADE_MODEL)
+
+  VAR_BOOL(LIGHTING)
+  VAR_BOOL(COLOR_MATERIAL)
+  VAR_ENUM(COLOR_MATERIAL_PARAMETER)
+  VAR_ENUM(COLOR_MATERIAL_FACE)
+
+  VAR_MAT_COLOR(AMBIENT)
+  VAR_MAT_COLOR(DIFFUSE)
+  VAR_MAT_COLOR(SPECULAR)
+  VAR_MAT_COLOR(EMISSION)
+  VAR_MAT_FLOAT(SHININESS)
+
+  VAR_COLOR(LIGHT_MODEL_AMBIENT)
+  VAR_BOOL(LIGHT_MODEL_LOCAL_VIEWER)
+  VAR_BOOL(LIGHT_MODEL_TWO_SIDE)
+/*  VAR_ENUM(LIGHT_MODEL_COLOR_CONTROL)*/
+
+  for( i= 0; i < n_lights; ++i )
+    {
+    GLboolean b= 0;
+
+    glGetBooleanv( GL_LIGHT0 + i, &b );
+    fprintf( OUT, "LIGHT%d: %s\n", i, BOOL_STRING(b) );
+
+    if( ! b )
+      continue;
+
+    VAR_LIGHT_COLOR(i,AMBIENT)
+    VAR_LIGHT_COLOR(i,DIFFUSE)
+    VAR_LIGHT_COLOR(i,SPECULAR)
+    VAR_LIGHT_FLOAT4(i,POSITION)
+    VAR_LIGHT_FLOAT(i,CONSTANT_ATTENUATION)
+    VAR_LIGHT_FLOAT(i,LINEAR_ATTENUATION)
+    VAR_LIGHT_FLOAT(i,QUADRATIC_ATTENUATION)
+    VAR_LIGHT_FLOAT3(i,SPOT_DIRECTION)
+    VAR_LIGHT_FLOAT(i,SPOT_EXPONENT)
+    VAR_LIGHT_FLOAT(i,SPOT_CUTOFF)
+    /* COLOR_INDEXES */
+    }
+
+  VAR_FLOAT(POINT_SIZE)
+  VAR_BOOL(POINT_SMOOTH)
+  VAR_FLOAT(LINE_WIDTH)
+  VAR_BOOL(LINE_SMOOTH)
+  VAR_HEXINT(LINE_STIPPLE_PATTERN)
+  VAR_INT(LINE_STIPPLE_REPEAT)
+  VAR_BOOL(LINE_STIPPLE)
+  VAR_BOOL(CULL_FACE)
+  VAR_ENUM(CULL_FACE_MODE)
+  VAR_ENUM(FRONT_FACE)
+  VAR_BOOL(POLYGON_SMOOTH)
+  VAR_ENUM(POLYGON_MODE)
+  VAR_FLOAT(POLYGON_OFFSET_FACTOR)
+  VAR_FLOAT(POLYGON_OFFSET_UNITS)
+  VAR_BOOL(POLYGON_OFFSET_POINT)
+  VAR_BOOL(POLYGON_OFFSET_LINE)
+  VAR_BOOL(POLYGON_OFFSET_FILL)
+  /* GetPolygonStipple */
+  VAR_BOOL(POLYGON_STIPPLE)
+
+  VAR_BOOL(TEXTURE_1D)
+  VAR_BOOL(TEXTURE_2D)
+/*  VAR_BOOL(TEXTURE_3D)*/
+
+  VAR_INT(TEXTURE_BINDING_1D)
+  VAR_INT(TEXTURE_BINDING_2D)
+/*  VAR_INT(TEXTURE_BINDING_3D)*/
+
+  /* GetTexImage() */
+  /* GetTexLevelParameter() */
+  /* GetTexEnv() */
+
+  VAR_BOOL(TEXTURE_GEN_S)
+  VAR_BOOL(TEXTURE_GEN_T)
+  VAR_BOOL(TEXTURE_GEN_R)
+  VAR_BOOL(TEXTURE_GEN_Q)
+
+  /* GetTexGen() */
+
+  VAR_BOOL(SCISSOR_TEST)
+  VAR_INT4(SCISSOR_BOX)
+  VAR_BOOL(ALPHA_TEST)
+  VAR_ENUM(ALPHA_TEST_FUNC)
+  VAR_FLOAT(ALPHA_TEST_REF)
+  VAR_BOOL(STENCIL_TEST)
+  VAR_ENUM(STENCIL_FUNC)
+  VAR_HEXINT(STENCIL_VALUE_MASK)
+  VAR_INT(STENCIL_REF)
+  VAR_ENUM(STENCIL_FAIL)
+  VAR_ENUM(STENCIL_PASS_DEPTH_FAIL)
+  VAR_ENUM(STENCIL_PASS_DEPTH_PASS)
+  VAR_BOOL(DEPTH_TEST)
+  VAR_ENUM(DEPTH_FUNC)
+  VAR_BOOL(BLEND)
+  VAR_ENUM(BLEND_SRC)
+  VAR_ENUM(BLEND_DST)
+
+  VAR_BOOL(DITHER)
+  VAR_BOOL(LOGIC_OP) /* INDEX_LOGIC_OP */
+  VAR_BOOL(COLOR_LOGIC_OP)
+
+  VAR_ENUM(DRAW_BUFFER)
+  VAR_INT(INDEX_WRITEMASK)
+  VAR_BOOL4(COLOR_WRITEMASK)
+  VAR_BOOL(DEPTH_WRITEMASK)
+  VAR_HEXINT(STENCIL_WRITEMASK)
+  VAR_COLOR(COLOR_CLEAR_VALUE)
+  VAR_INDEX(INDEX_CLEAR_VALUE)
+  VAR_FLOAT(DEPTH_CLEAR_VALUE)
+  VAR_INT(STENCIL_CLEAR_VALUE)
+  VAR_FLOAT(ACCUM_CLEAR_VALUE)
+
+  VAR_BOOL(UNPACK_SWAP_BYTES)
+  VAR_BOOL(UNPACK_LSB_FIRST)
+#ifdef UNPACK_IMAGE_HEIGHT
+  VAR_INT(UNPACK_IMAGE_HEIGHT)
+#endif
+#ifdef UNPACK_SKIP_IMAGES
+  VAR_INT(UNPACK_SKIP_IMAGES)
+#endif
+  VAR_INT(UNPACK_ROW_LENGTH)
+  VAR_INT(UNPACK_SKIP_ROWS)
+  VAR_INT(UNPACK_SKIP_PIXELS)
+  VAR_INT(UNPACK_ALIGNMENT)
+
+  VAR_BOOL(PACK_SWAP_BYTES)
+  VAR_BOOL(PACK_LSB_FIRST)
+#ifdef PACK_IMAGE_HEIGHT
+  VAR_INT(PACK_IMAGE_HEIGHT)
+#endif
+#ifdef PACK_SKIP_IMAGES
+  VAR_INT(PACK_SKIP_IMAGES)
+#endif
+  VAR_INT(PACK_ROW_LENGTH)
+  VAR_INT(PACK_SKIP_ROWS)
+  VAR_INT(PACK_SKIP_PIXELS)
+  VAR_INT(PACK_ALIGNMENT)
+
+  VAR_BOOL(MAP_COLOR)
+  VAR_BOOL(MAP_STENCIL)
+  VAR_INT(INDEX_SHIFT)
+  VAR_INT(INDEX_OFFSET)
+  VAR_FLOAT(RED_SCALE)
+  VAR_FLOAT(GREEN_SCALE)
+  VAR_FLOAT(BLUE_SCALE)
+  VAR_FLOAT(ALPHA_SCALE)
+  VAR_FLOAT(DEPTH_SCALE)
+  VAR_FLOAT(RED_BIAS)
+  VAR_FLOAT(GREEN_BIAS)
+  VAR_FLOAT(BLUE_BIAS)
+  VAR_FLOAT(ALPHA_BIAS)
+  VAR_FLOAT(DEPTH_BIAS)
+
+  VAR_FLOAT(ZOOM_X)
+  VAR_FLOAT(ZOOM_Y)
+
+  VAR_ENUM(READ_BUFFER)
+
+  VAR_BOOL(AUTO_NORMAL)
+
+  VAR_ENUM(PERSPECTIVE_CORRECTION_HINT)
+  VAR_ENUM(POINT_SMOOTH_HINT)
+  VAR_ENUM(LINE_SMOOTH_HINT)
+  VAR_ENUM(POLYGON_SMOOTH_HINT)
+  VAR_ENUM(FOG_HINT)
+
+  VAR_INT(MAX_LIGHTS)
+  VAR_INT(MAX_CLIP_PLANES)
+  VAR_INT(MAX_MODELVIEW_STACK_DEPTH)
+  VAR_INT(MAX_PROJECTION_STACK_DEPTH)
+  VAR_INT(MAX_TEXTURE_STACK_DEPTH)
+  VAR_INT(SUBPIXEL_BITS)
+#ifdef GL_MAX_3D_TEXTURE_SIZE
+  VAR_INT(MAX_3D_TEXTURE_SIZE)
+#endif
+  VAR_INT(MAX_TEXTURE_SIZE)
+  VAR_INT(MAX_PIXEL_MAP_TABLE)
+  VAR_INT(MAX_NAME_STACK_DEPTH)
+  VAR_INT(MAX_LIST_NESTING)
+  VAR_INT(MAX_EVAL_ORDER)
+  VAR_INT(MAX_VIEWPORT_DIMS)
+  VAR_INT(MAX_ATTRIB_STACK_DEPTH)
+  VAR_INT(MAX_CLIENT_ATTRIB_STACK_DEPTH)
+  VAR_INT(AUX_BUFFERS)
+  VAR_BOOL(RGBA_MODE)
+  VAR_BOOL(INDEX_MODE)
+  VAR_BOOL(DOUBLEBUFFER)
+  VAR_BOOL(STEREO)
+#ifdef GL_ALIASED_POINT_SIZE_RANGE
+  VAR_FLOAT2(ALIASED_POINT_SIZE_RANGE)
+#endif
+#ifdef GL_POINT_SIZE_RANGE
+  VAR_FLOAT2(POINT_SIZE_RANGE) /* SMOOTH_POINT_SIZE_RANGE */
+#endif
+  VAR_FLOAT(POINT_SIZE_GRANULARITY) /* SMOOTH_POINT_SIZE_GRANULARITY */
+#ifdef GL_ALIASED_LINE_WIDTH_RANGE
+  VAR_FLOAT2(ALIASED_LINE_WIDTH_RANGE)
+#endif
+  VAR_FLOAT2(LINE_WIDTH_RANGE) /* SMOOTH_LINE_WIDTH_RANGE */
+  VAR_FLOAT(LINE_WIDTH_GRANULARITY) /* SMOOTH_LINE_WIDTH_GRANULARITY */
+
+#ifdef GL_MAX_ELEMENTS_INDICES
+  VAR_INT(MAX_ELEMENTS_INDICES)
+#endif
+#ifdef GL_MAX_ELEMENTS_VERTICES
+  VAR_INT(MAX_ELEMENTS_VERTICES)
+#endif
+  VAR_INT(RED_BITS)
+  VAR_INT(GREEN_BITS)
+  VAR_INT(BLUE_BITS)
+  VAR_INT(ALPHA_BITS)
+  VAR_INT(INDEX_BITS)
+  VAR_INT(DEPTH_BITS)
+  VAR_INT(STENCIL_BITS)
+  VAR_INT(ACCUM_RED_BITS)
+  VAR_INT(ACCUM_GREEN_BITS)
+  VAR_INT(ACCUM_BLUE_BITS)
+  VAR_INT(ACCUM_ALPHA_BITS)
+
+  VAR_INT(LIST_BASE)
+  VAR_INT(LIST_INDEX)
+  VAR_ENUM(LIST_MODE)
+  VAR_INT(ATTRIB_STACK_DEPTH)
+  VAR_INT(CLIENT_ATTRIB_STACK_DEPTH)
+  VAR_INT(NAME_STACK_DEPTH)
+  VAR_ENUM(RENDER_MODE)
+  VAR_PTR(SELECTION_BUFFER_POINTER)
+  VAR_INT(SELECTION_BUFFER_SIZE)
+  VAR_PTR(FEEDBACK_BUFFER_POINTER)
+  VAR_INT(FEEDBACK_BUFFER_SIZE)
+  VAR_ENUM(FEEDBACK_BUFFER_TYPE)
+
+  /* glGetError() */
+}
+
+/***************************************************************************/
+
+/*#define TEST*/
+#ifdef TEST
+
+#include <GL/glut.h>
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowPosition(0, 0);
+   glutInitWindowSize(400, 300);
+   glutInitDisplayMode(GLUT_RGB);
+   glutCreateWindow(argv[0]);
+   dump_opengl_state(stdout);
+   return 0;
+}
+
+#endif
+
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/util/errcheck.c b/nx-X11/extras/Mesa_6.4.2/progs/util/errcheck.c
new file mode 100644
index 000000000..fe9c2973c
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/util/errcheck.c
@@ -0,0 +1,27 @@
+/* errcheck.c */
+
+
+/*
+ * Call this function in your rendering loop to check for GL errors
+ * during development.  Remove from release code.
+ *
+ * Written by Brian Paul and in the public domain.
+ */
+
+
+#include <GL/gl.h>
+#include <GL/glu.h>
+#incldue <stdio.h>
+
+
+
+GLboolean CheckError( const char *message )
+{
+   GLenum error = glGetError();
+   if (error) {
+      char *err = (char *) gluErrorString( error );
+      fprintf( stderr, "GL Error: %s at %s\n", err, message );
+      return GL_TRUE;
+   }
+   return GL_FALSE;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/util/glstate.c b/nx-X11/extras/Mesa_6.4.2/progs/util/glstate.c
new file mode 100644
index 000000000..4c5db13ec
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/util/glstate.c
@@ -0,0 +1,504 @@
+/* $Id: glstate.c,v 1.1 1999/08/19 00:55:42 jtg Exp $ */
+
+/*
+ * Print GL state information (for debugging)
+ * Copyright (C) 1998  Brian Paul
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+
+/*
+ * $Log: glstate.c,v $
+ * Revision 1.1  1999/08/19 00:55:42  jtg
+ * Initial revision
+ *
+ * Revision 1.4  1999/06/19 01:36:43  brianp
+ * more features added
+ *
+ * Revision 1.3  1999/02/24 05:16:20  brianp
+ * added still more records to EnumTable
+ *
+ * Revision 1.2  1998/11/24 03:47:54  brianp
+ * added more records to EnumTable
+ *
+ * Revision 1.1  1998/11/24 03:41:16  brianp
+ * Initial revision
+ *
+ */
+
+
+
+#include <assert.h>
+#include <GL/gl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include "glstate.h"
+
+
+#define FLOAT       1
+#define INT         2
+#define DOUBLE      3
+#define BOOLEAN     4
+#define ENUM        5
+#define VOID        6
+#define LAST_TOKEN ~0
+
+
+struct EnumRecord {
+   GLenum enumerator;   /* GLenum constant */
+   const char *string;  /* string name */
+   int getType;         /* INT, FLOAT, DOUBLE, BOOLEAN, ENUM, or VOID */
+   int getCount;      /* number of values returned by the glGet*v() call */
+};
+
+
+/* XXX Lots more records to add here!  Help, anyone? */
+
+static struct EnumRecord EnumTable[] = {
+   { GL_ACCUM_RED_BITS, "GL_ACCUM_RED_BITS", INT, 1 },
+   { GL_ACCUM_GREEN_BITS, "GL_ACCUM_GREEN_BITS", INT, 1 },
+   { GL_ACCUM_BLUE_BITS, "GL_ACCUM_BLUE_BITS", INT, 1 },
+   { GL_ACCUM_ALPHA_BITS, "GL_ACCUM_ALPHA_BITS", INT, 1 },
+   { GL_ACCUM_CLEAR_VALUE, "GL_ACCUM_CLEAR_VALUE", FLOAT, 4 },
+   { GL_ALPHA_BIAS, "GL_ALPHA_BIAS", FLOAT, 1 },
+   { GL_ALPHA_BITS, "GL_ALPHA_BITS", INT, 1 },
+   { GL_ALPHA_SCALE, "GL_ALPHA_SCALE", FLOAT, 1 },
+   { GL_ALPHA_TEST, "GL_ALPHA_TEST", BOOLEAN, 1 },
+   { GL_ALPHA_TEST_FUNC, "GL_ALPHA_TEST_FUNC", ENUM, 1 },
+   { GL_ALWAYS, "GL_ALWAYS", ENUM, 0 },
+   { GL_ALPHA_TEST_REF, "GL_ALPHA_TEST_REF", FLOAT, 1 },
+   { GL_ATTRIB_STACK_DEPTH, "GL_ATTRIB_STACK_DEPTH", INT, 1 },
+   { GL_AUTO_NORMAL, "GL_AUTO_NORMAL", BOOLEAN, 1 },
+   { GL_AUX_BUFFERS, "GL_AUX_BUFFERS", INT, 1 },
+   { GL_BLEND, "GL_BLEND", BOOLEAN, 1 },
+   { GL_BLEND_DST, "GL_BLEND_DST", ENUM, 1 },
+   { GL_BLEND_SRC, "GL_BLEND_SRC", ENUM, 1 },
+   { GL_BLUE_BIAS, "GL_BLUE_BIAS", FLOAT, 1 },
+   { GL_BLUE_BITS, "GL_BLUE_BITS", INT, 1 },
+   { GL_BLUE_SCALE, "GL_BLUE_SCALE", FLOAT, 1 },
+
+   { GL_CLAMP_TO_EDGE, "GL_CLAMP_TO_EDGE", ENUM, 0 },
+   { GL_CLEAR, "GL_CLEAR", ENUM, 0 },
+   { GL_CLIENT_ATTRIB_STACK_DEPTH, "GL_CLIENT_ATTRIB_STACK_DEPTH", INT, 1 },
+   { GL_CLIP_PLANE0, "GL_CLIP_PLANE0", BOOLEAN, 1 },
+   { GL_CLIP_PLANE1, "GL_CLIP_PLANE1", BOOLEAN, 1 },
+   { GL_CLIP_PLANE2, "GL_CLIP_PLANE2", BOOLEAN, 1 },
+   { GL_CLIP_PLANE3, "GL_CLIP_PLANE3", BOOLEAN, 1 },
+   { GL_CLIP_PLANE4, "GL_CLIP_PLANE4", BOOLEAN, 1 },
+   { GL_CLIP_PLANE5, "GL_CLIP_PLANE5", BOOLEAN, 1 },
+   { GL_COEFF, "GL_COEEF", ENUM, 0 },
+   { GL_COLOR, "GL_COLOR", ENUM, 0 },
+   { GL_COLOR_BUFFER_BIT, "GL_COLOR_BUFFER_BIT", ENUM, 0 },
+   { GL_COLOR_CLEAR_VALUE, "GL_COLOR_CLEAR_VALUE", FLOAT, 4 },
+   { GL_COLOR_INDEX, "GL_COLOR_INDEX", ENUM, 0 },
+   { GL_COLOR_MATERIAL, "GL_COLOR_MATERIAL", BOOLEAN, 1 },
+   { GL_COLOR_MATERIAL_FACE, "GL_COLOR_MATERIAL_FACE", ENUM, 1 },
+   { GL_COLOR_MATERIAL_PARAMETER, "GL_COLOR_MATERIAL_PARAMETER", ENUM, 1 },
+   { GL_COLOR_WRITEMASK, "GL_COLOR_WRITEMASK", BOOLEAN, 4 },
+   { GL_COMPILE, "GL_COMPILE", ENUM, 0 },
+   { GL_COMPILE_AND_EXECUTE, "GL_COMPILE_AND_EXECUTE", ENUM, 0 },
+   { GL_COPY, "GL_COPY", ENUM, 0 },
+   { GL_COPY_INVERTED, "GL_COPY_INVERTED", ENUM, 0 },
+   { GL_COPY_PIXEL_TOKEN, "GL_COPY_PIXEL_TOKEN", ENUM, 0 },
+   { GL_CULL_FACE, "GL_CULL_FACE", BOOLEAN, 1 },
+   { GL_CULL_FACE_MODE, "GL_CULL_FACE_MODE", ENUM, 1 },
+   { GL_CURRENT_BIT, "GL_CURRENT_BIT", ENUM, 0 },
+   { GL_CURRENT_COLOR, "GL_CURRENT_COLOR", FLOAT, 4 },
+   { GL_CURRENT_INDEX, "GL_CURRENT_INDEX", INT, 1 },
+   { GL_CURRENT_NORMAL, "GL_CURRENT_NORMAL", FLOAT, 3 },
+   { GL_CURRENT_RASTER_COLOR, "GL_CURRENT_RASTER_COLOR", FLOAT, 4 },
+   { GL_CURRENT_RASTER_DISTANCE, "GL_CURRENT_RASTER_DISTANCE", FLOAT, 1 },
+   { GL_CURRENT_RASTER_INDEX, "GL_CURRENT_RASTER_INDEX", INT, 1 },
+   { GL_CURRENT_RASTER_POSITION, "GL_CURRENT_RASTER_POSITION", FLOAT, 4 },
+   { GL_CURRENT_RASTER_TEXTURE_COORDS, "GL_CURRENT_RASTER_TEXTURE_COORDS", FLOAT, 4 },
+   { GL_CURRENT_RASTER_POSITION_VALID, "GL_CURRENT_RASTER_POSITION_VALID", BOOLEAN, 1 },
+   { GL_CURRENT_TEXTURE_COORDS, "GL_CURRENT_TEXTURE_COORDS", FLOAT, 4 },
+   { GL_CW, "GL_CW", ENUM, 0 },
+   { GL_CCW, "GL_CCW", ENUM, 0 },
+
+   { GL_DECAL, "GL_DECAL", ENUM, 0 },
+   { GL_DECR, "GL_DECR", ENUM, 0 },
+   { GL_DEPTH, "GL_DEPTH", ENUM, 0 },
+   { GL_DEPTH_BIAS, "GL_DEPTH_BIAS", FLOAT, 1 },
+   { GL_DEPTH_BITS, "GL_DEPTH_BITS", INT, 1 },
+   { GL_DEPTH_BUFFER_BIT, "GL_DEPTH_BUFFER_BIT", ENUM, 0 },
+   { GL_DEPTH_CLEAR_VALUE, "GL_DEPTH_CLEAR_VALUE", FLOAT, 1 },
+   { GL_DEPTH_COMPONENT, "GL_DEPTH_COMPONENT", ENUM, 0 },
+   { GL_DEPTH_FUNC, "GL_DEPTH_FUNC", ENUM, 1 },
+   { GL_DEPTH_RANGE, "GL_DEPTH_RANGE", FLOAT, 2 },
+   { GL_DEPTH_SCALE, "GL_DEPTH_SCALE", FLOAT, 1 },
+   { GL_DEPTH_TEST, "GL_DEPTH_TEST", ENUM, 1 },
+   { GL_DEPTH_WRITEMASK, "GL_DEPTH_WRITEMASK", BOOLEAN, 1 },
+   { GL_DIFFUSE, "GL_DIFFUSE", ENUM, 0 },  /*XXX*/
+   { GL_DITHER, "GL_DITHER", BOOLEAN, 1 },
+   { GL_DOMAIN, "GL_DOMAIN", ENUM, 0 },
+   { GL_DONT_CARE, "GL_DONT_CARE", ENUM, 0 },
+   { GL_DOUBLE, "GL_DOUBLE", ENUM, 0 },
+   { GL_DOUBLEBUFFER, "GL_DOUBLEBUFFER", BOOLEAN, 1},
+   { GL_DRAW_BUFFER, "GL_DRAW_BUFFER", ENUM, 1 },
+   { GL_DRAW_PIXEL_TOKEN, "GL_DRAW_PIXEL_TOKEN", ENUM, 0 },
+   { GL_DST_ALPHA, "GL_DST_ALPHA", ENUM, 0 },
+   { GL_DST_COLOR, "GL_DST_COLOR", ENUM, 0 },
+
+   { GL_EDGE_FLAG, "GL_EDGE_FLAG", BOOLEAN, 1 },
+   /* XXX GL_EDGE_FLAG_ARRAY_* */
+   { GL_EMISSION, "GL_EMISSION", ENUM, 0 }, /* XXX */
+   { GL_ENABLE_BIT, "GL_ENABLE_BIT", ENUM, 0 },
+   { GL_EQUAL, "GL_EQUAL", ENUM, 0 },
+   { GL_EQUIV, "GL_EQUIV", ENUM, 0 },
+   { GL_EVAL_BIT, "GL_EVAL_BIT", ENUM, 0 },
+   { GL_EXP, "GL_EXP", ENUM, 0 },
+   { GL_EXP2, "GL_EXP2", ENUM, 0 },
+   { GL_EXTENSIONS, "GL_EXTENSIONS", ENUM, 0 },
+   { GL_EYE_LINEAR, "GL_EYE_LINEAR", ENUM, 0 },
+   { GL_EYE_PLANE, "GL_EYE_PLANE", ENUM, 0 },
+
+   { GL_FALSE, "GL_FALSE", ENUM, 0 },
+   { GL_FASTEST, "GL_FASTEST", ENUM, 0 },
+   { GL_FEEDBACK, "GL_FEEDBACK", ENUM, 0 },
+   { GL_FEEDBACK_BUFFER_POINTER, "GL_FEEDBACK_BUFFER_POINTER", VOID, 0 },
+   { GL_FEEDBACK_BUFFER_SIZE, "GL_FEEDBACK_BUFFER_SIZE", INT, 1 },
+   { GL_FEEDBACK_BUFFER_TYPE, "GL_FEEDBACK_BUFFER_TYPE", INT, 1 },
+   { GL_FILL, "GL_FILL", ENUM, 0 },
+   { GL_FLAT, "GL_FLAT", ENUM, 0 },
+   { GL_FLOAT, "GL_FLOAT", ENUM, 0 },
+   { GL_FOG, "GL_FOG", BOOLEAN, 1 },
+   { GL_FOG_BIT, "GL_FOG_BIT", ENUM, 0 },
+   { GL_FOG_COLOR, "GL_FOG_COLOR", FLOAT, 4 },
+   { GL_FOG_DENSITY, "GL_FOG_DENSITY", FLOAT, 1 },
+   { GL_FOG_END, "GL_FOG_END", FLOAT, 1 },
+   { GL_FOG_HINT, "GL_FOG_HINT", ENUM, 1 },
+   { GL_FOG_INDEX, "GL_FOG_INDEX", INT, 1 },
+   { GL_FOG_MODE, "GL_FOG_MODE", ENUM, 1 },
+   { GL_FOG_START, "GL_FOG_START", FLOAT, 1 },
+   { GL_FRONT, "GL_FRONT", ENUM, 0 },
+   { GL_FRONT_AND_BACK, "GL_FRONT_AND_BACK", ENUM, 0 },
+   { GL_FRONT_FACE, "GL_FRONT_FACE", ENUM, 1 },
+   { GL_FRONT_LEFT, "GL_FRONT_LEFT", ENUM, 0 },
+   { GL_FRONT_RIGHT, "GL_FRONT_RIGHT", ENUM, 0 },
+
+   { GL_GEQUAL, "GL_GEQUAL", ENUM, 0 },
+   { GL_GREATER, "GL_GREATER", ENUM, 0 },
+   { GL_GREEN, "GL_GREEN", ENUM, 0 },
+   { GL_GREEN_BIAS, "GL_GREEN_BIAS", FLOAT, 1 },
+   { GL_GREEN_BITS, "GL_GREEN_BITS", INT, 1 },
+   { GL_GREEN_SCALE, "GL_GREEN_SCALE", FLOAT, 1 },
+
+
+
+   { GL_LESS, "GL_LESS", ENUM, 0 },
+   { GL_LEQUAL, "GL_LEQUAL", ENUM, 0 },
+   { GL_LIGHTING, "GL_LIGHTING", BOOLEAN, 1 },
+   { GL_LINE_SMOOTH, "GL_LINE_SMOOTH", BOOLEAN, 1 },
+   { GL_LINE_STIPPLE, "GL_LINE_STIPPLE", BOOLEAN, 1 },
+   { GL_LINE_STIPPLE_PATTERN, "GL_LINE_STIPPLE_PATTERN", INT, 1 },
+   { GL_LINE_STIPPLE_REPEAT, "GL_LINE_STIPPLE_REPEAT", INT, 1 },
+   { GL_LINE_WIDTH, "GL_LINE_WIDTH", FLOAT, 1 },
+
+   { GL_MODELVIEW_MATRIX, "GL_MODELVIEW_MATRIX", DOUBLE, 16 },
+
+   { GL_NEVER, "GL_NEVER", ENUM, 0 },
+   { GL_NOTEQUAL, "GL_NOTEQUAL", ENUM, 0 },
+
+   { GL_PROJECTION_MATRIX, "GL_PROJECTION_MATRIX", FLOAT, 16 },
+
+   { GL_PACK_SWAP_BYTES, "GL_PACK_SWAP_BYTES", INT, 1 },
+   { GL_PACK_LSB_FIRST, "GL_PACK_LSB_FIRST", INT, 1 },
+   { GL_PACK_ROW_LENGTH, "GL_PACK_ROW_LENGTH", INT, 1 },
+   { GL_PACK_SKIP_PIXELS, "GL_PACK_SKIP_PIXELS", INT, 1 },
+   { GL_PACK_SKIP_ROWS, "GL_PACK_SKIP_ROWS", INT, 1 },
+   { GL_PACK_ALIGNMENT, "GL_PACK_ALIGNMENT", INT, 1 },
+
+   { GL_TRUE, "GL_TRUE", ENUM, 0 },
+
+   { GL_UNPACK_SWAP_BYTES, "GL_UNPACK_SWAP_BYTES", INT, 1 },
+   { GL_UNPACK_LSB_FIRST, "GL_UNPACK_LSB_FIRST", INT, 1 },
+   { GL_UNPACK_ROW_LENGTH, "GL_UNPACK_ROW_LENGTH", INT, 1 },
+   { GL_UNPACK_SKIP_PIXELS, "GL_UNPACK_SKIP_PIXELS", INT, 1 },
+   { GL_UNPACK_SKIP_ROWS, "GL_UNPACK_SKIP_ROWS", INT, 1 },
+   { GL_UNPACK_ALIGNMENT, "GL_UNPACK_ALIGNMENT", INT, 1 },
+
+   { GL_VIEWPORT, "GL_VIEWPORT", INT, 4 },
+
+
+   /*
+    * Extensions
+    */
+
+#if defined(GL_EXT_blend_minmax)
+   { GL_BLEND_EQUATION_EXT, "GL_BLEND_EQUATION_EXT", ENUM, 1 },
+#endif
+#if defined(GL_EXT_blend_color)
+   { GL_BLEND_COLOR_EXT, "GL_BLEND_COLOR_EXT", FLOAT, 4 },
+#endif
+#if defined(GL_EXT_point_parameters)
+   { GL_DISTANCE_ATTENUATION_EXT, "GL_DISTANCE_ATTENUATION_EXT", FLOAT, 1 },
+#endif
+#if defined(GL_INGR_blend_func_separate)
+   { GL_BLEND_SRC_RGB_INGR, "GL_BLEND_SRC_RGB_INGR", ENUM, 1 },
+   { GL_BLEND_DST_RGB_INGR, "GL_BLEND_DST_RGB_INGR", ENUM, 1 },
+   { GL_BLEND_SRC_ALPHA_INGR, "GL_BLEND_SRC_ALPHA_INGR", ENUM, 1 },
+   { GL_BLEND_DST_ALPHA_INGR, "GL_BLEND_DST_ALPHA_INGR", ENUM, 1 },
+#endif
+
+
+   { LAST_TOKEN, "", 0, 0 }
+};
+
+
+static const struct EnumRecord *FindRecord( GLenum var )
+{
+   int i;
+   for (i = 0; EnumTable[i].enumerator != LAST_TOKEN; i++) {
+      if (EnumTable[i].enumerator == var) {
+	 return &EnumTable[i];
+      }
+   }
+   return NULL;
+}
+
+
+
+/*
+ * Return the string label for the given enum.
+ */
+const char *GetEnumString( GLenum var )
+{
+   const struct EnumRecord *rec = FindRecord(var);
+   if (rec)
+      return rec->string;
+   else
+      return NULL;
+}
+
+
+
+/*
+ * Print current value of the given state variable.
+ */
+void PrintState( int indent, GLenum var )
+{
+   const struct EnumRecord *rec = FindRecord(var);
+
+   while (indent-- > 0)
+      putchar(' ');
+
+   if (rec) {
+      if (rec->getCount <= 0) {
+         assert(rec->getType == ENUM);
+         printf("%s is not a state variable\n", rec->string);
+      }
+      else {
+         switch (rec->getType) {
+             case INT:
+                {
+                   GLint values[100];
+                   int i;
+                   glGetIntegerv(rec->enumerator, values);
+                   printf("%s = ", rec->string);
+                   for (i = 0; i < rec->getCount; i++)
+                      printf("%d ", values[i]);
+                   printf("\n");
+                }
+                break;
+             case FLOAT:
+                {
+                   GLfloat values[100];
+                   int i;
+                   glGetFloatv(rec->enumerator, values);
+                   printf("%s = ", rec->string);
+                   for (i = 0; i < rec->getCount; i++)
+                      printf("%f ", values[i]);
+                   printf("\n");
+                }
+                break;
+             case DOUBLE:
+                {
+                   GLdouble values[100];
+                   int i;
+                   glGetDoublev(rec->enumerator, values);
+                   printf("%s = ", rec->string);
+                   for (i = 0; i < rec->getCount; i++)
+                      printf("%f ", (float) values[i]);
+                   printf("\n");
+                }
+                break;
+             case BOOLEAN:
+                {
+                   GLboolean values[100];
+                   int i;
+                   glGetBooleanv(rec->enumerator, values);
+                   printf("%s = ", rec->string);
+                   for (i = 0; i < rec->getCount; i++)
+                      printf("%s ", values[i] ? "GL_TRUE" : "GL_FALSE");
+                   printf("\n");
+                }
+                break;
+             case ENUM:
+                {
+                   GLint values[100];
+                   int i;
+                   glGetIntegerv(rec->enumerator, values);
+                   printf("%s = ", rec->string);
+                   for (i = 0; i < rec->getCount; i++) {
+                      const char *str = GetEnumString((GLenum) values[i]);
+                      if (str)
+                         printf("%s ", str);
+                      else
+                         printf("??? ");
+                   }
+                   printf("\n");
+                }
+                break;
+             case VOID:
+                {
+                   GLvoid *values[100];
+                   int i;
+                   glGetPointerv(rec->enumerator, values);
+                   printf("%s = ", rec->string);
+                   for (i = 0; i < rec->getCount; i++) {
+		       printf("%p ", values[i]);
+                   }
+                   printf("\n");
+                }
+                break;
+             default:
+                printf("fatal error in PrintState()\n");
+                abort();
+         }
+      }
+   }
+   else {
+      printf("Unknown GLenum passed to PrintState()\n");
+   }
+}
+
+
+
+/*
+ * Print all glPixelStore-related state.
+ * NOTE: Should write similar functions for lighting, texturing, etc.
+ */
+void PrintPixelStoreState( void )
+{
+   const GLenum enums[] = {
+      GL_PACK_SWAP_BYTES,
+      GL_PACK_LSB_FIRST,
+      GL_PACK_ROW_LENGTH,
+      GL_PACK_SKIP_PIXELS,
+      GL_PACK_SKIP_ROWS,
+      GL_PACK_ALIGNMENT,
+      GL_UNPACK_SWAP_BYTES,
+      GL_UNPACK_LSB_FIRST,
+      GL_UNPACK_ROW_LENGTH,
+      GL_UNPACK_SKIP_PIXELS,
+      GL_UNPACK_SKIP_ROWS,
+      GL_UNPACK_ALIGNMENT,
+      0
+   };
+   int i;
+   printf("Pixel pack/unpack state:\n");
+   for (i = 0; enums[i]; i++) {
+      PrintState(3, enums[i]);
+   }
+}
+
+
+
+
+/*
+ * Print all state for the given attribute group.
+ */
+void PrintAttribState( GLbitfield attrib )
+{
+   static const GLenum depth_buffer_enums[] = {
+      GL_DEPTH_FUNC,
+      GL_DEPTH_CLEAR_VALUE,
+      GL_DEPTH_TEST,
+      GL_DEPTH_WRITEMASK,
+      0
+   };
+   static const GLenum fog_enums[] = {
+      GL_FOG,
+      GL_FOG_COLOR,
+      GL_FOG_DENSITY,
+      GL_FOG_START,
+      GL_FOG_END,
+      GL_FOG_INDEX,
+      GL_FOG_MODE,
+      0
+   };
+   static const GLenum line_enums[] = {
+      GL_LINE_SMOOTH,
+      GL_LINE_STIPPLE,
+      GL_LINE_STIPPLE_PATTERN,
+      GL_LINE_STIPPLE_REPEAT,
+      GL_LINE_WIDTH,
+      0
+   };
+
+   const GLenum *enumList = NULL;
+
+   switch (attrib) {
+      case GL_DEPTH_BUFFER_BIT:
+         enumList = depth_buffer_enums;
+         printf("GL_DEPTH_BUFFER_BIT state:\n");
+         break;
+      case GL_FOG_BIT:
+         enumList = fog_enums;
+         printf("GL_FOG_BIT state:\n");
+         break;
+      case GL_LINE_BIT:
+         enumList = line_enums;
+         printf("GL_LINE_BIT state:\n");
+         break;
+      default:
+         printf("Bad value in PrintAttribState()\n");
+   }
+
+   if (enumList) {
+      int i;
+      for (i = 0; enumList[i]; i++)
+         PrintState(3, enumList[i]);
+   }
+}
+
+
+/*#define TEST*/
+#ifdef TEST
+
+#include <GL/glut.h>
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowPosition(0, 0);
+   glutInitWindowSize(400, 300);
+   glutInitDisplayMode(GLUT_RGB);
+   glutCreateWindow(argv[0]);
+   PrintAttribState(GL_DEPTH_BUFFER_BIT);
+   PrintAttribState(GL_FOG_BIT);
+   PrintAttribState(GL_LINE_BIT);
+   PrintState(0, GL_ALPHA_BITS);
+   PrintState(0, GL_VIEWPORT);
+   PrintState(0, GL_ALPHA_TEST_FUNC);
+   PrintState(0, GL_MODELVIEW_MATRIX);
+   PrintState(0, GL_ALWAYS);
+   PrintPixelStoreState();
+   return 0;
+}
+
+#endif
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/util/glstate.h b/nx-X11/extras/Mesa_6.4.2/progs/util/glstate.h
new file mode 100644
index 000000000..1aa4d21d8
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/util/glstate.h
@@ -0,0 +1,53 @@
+/* $Id: glstate.h,v 1.1 1999/08/19 00:55:42 jtg Exp $ */
+
+/*
+ * Print GL state information (for debugging)
+ * Copyright (C) 1998  Brian Paul
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+
+/*
+ * $Log: glstate.h,v $
+ * Revision 1.1  1999/08/19 00:55:42  jtg
+ * Initial revision
+ *
+ * Revision 1.2  1999/06/19 01:36:43  brianp
+ * more features added
+ *
+ * Revision 1.1  1998/11/24 03:41:16  brianp
+ * Initial revision
+ *
+ */
+
+
+#ifndef GLSTATE_H
+#define GLSTATE_H
+
+
+#include <GL/gl.h>
+
+
+extern const char *GetNameString( GLenum var );
+
+extern void PrintState( int indent, GLenum var );
+
+extern void PrintAttribState( GLbitfield attrib );
+
+extern void PrintPixelStoreState( void );
+
+
+#endif
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/util/glutskel.c b/nx-X11/extras/Mesa_6.4.2/progs/util/glutskel.c
new file mode 100644
index 000000000..b203a507a
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/util/glutskel.c
@@ -0,0 +1,157 @@
+/* $Id: glutskel.c,v 1.2 2004/04/22 00:47:28 brianp Exp $ */
+
+/*
+ * A skeleton/template GLUT program
+ *
+ * Written by Brian Paul and in the public domain.
+ */
+
+
+/*
+ * $Log: glutskel.c,v $
+ * Revision 1.2  2004/04/22 00:47:28  brianp
+ * minor clean-ups
+ *
+ * Revision 1.1.1.1  1999/08/19 00:55:42  jtg
+ * Imported sources
+ *
+ * Revision 1.2  1998/11/07 14:20:14  brianp
+ * added simple rotation, animation of cube
+ *
+ * Revision 1.1  1998/11/07 14:14:37  brianp
+ * Initial revision
+ *
+ */
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <GL/glut.h>
+
+
+static GLfloat Xrot = 0, Yrot = 0, Zrot = 0;
+static GLboolean Anim = GL_FALSE;
+
+
+static void
+Idle(void)
+{
+   Xrot += 3.0;
+   Yrot += 4.0;
+   Zrot += 2.0;
+   glutPostRedisplay();
+}
+
+
+static void
+Draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+   glPushMatrix();
+   glRotatef(Xrot, 1, 0, 0);
+   glRotatef(Yrot, 0, 1, 0);
+   glRotatef(Zrot, 0, 0, 1);
+
+   glutSolidCube(2.0);
+
+   glPopMatrix();
+
+   glutSwapBuffers();
+}
+
+
+static void
+Reshape(int width, int height)
+{
+   glViewport(0, 0, width, height);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glFrustum(-1.0, 1.0, -1.0, 1.0, 5.0, 25.0);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glTranslatef(0.0, 0.0, -15.0);
+}
+
+
+static void
+Key(unsigned char key, int x, int y)
+{
+   const GLfloat step = 3.0;
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 'a':
+         Anim = !Anim;
+         if (Anim)
+            glutIdleFunc(Idle);
+         else
+            glutIdleFunc(NULL);
+         break;
+      case 'z':
+         Zrot -= step;
+         break;
+      case 'Z':
+         Zrot += step;
+         break;
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void
+SpecialKey(int key, int x, int y)
+{
+   const GLfloat step = 3.0;
+   (void) x;
+   (void) y;
+   switch (key) {
+      case GLUT_KEY_UP:
+         Xrot -= step;
+         break;
+      case GLUT_KEY_DOWN:
+         Xrot += step;
+         break;
+      case GLUT_KEY_LEFT:
+         Yrot -= step;
+         break;
+      case GLUT_KEY_RIGHT:
+         Yrot += step;
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void
+Init(void)
+{
+   /* setup lighting, etc */
+   glEnable(GL_DEPTH_TEST);
+   glEnable(GL_LIGHTING);
+   glEnable(GL_LIGHT0);
+}
+
+
+int
+main(int argc, char *argv[])
+{
+   glutInit(&argc, argv);
+   glutInitWindowPosition(0, 0);
+   glutInitWindowSize(400, 400);
+   glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
+   glutCreateWindow(argv[0]);
+   glutReshapeFunc(Reshape);
+   glutKeyboardFunc(Key);
+   glutSpecialFunc(SpecialKey);
+   glutDisplayFunc(Draw);
+   if (Anim)
+      glutIdleFunc(Idle);
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/util/idproj.c b/nx-X11/extras/Mesa_6.4.2/progs/util/idproj.c
new file mode 100644
index 000000000..d5ee3409f
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/util/idproj.c
@@ -0,0 +1,26 @@
+/* idproj.c */
+
+
+/*
+ * Setup an identity projection such that glVertex(x,y) maps to
+ * window coordinate (x,y).
+ *
+ * Written by Brian Paul and in the public domain.
+ */
+
+
+
+
+
+void IdentityProjection( GLint x, GLint y, GLsizei width, GLsizei height )
+{
+   glViewport( x, y, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glOrtho( (GLdouble) x, (GLdouble) y,
+            (GLdouble) width, (GLdouble) height,
+            -1.0, 1.0 );
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+}
+
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/util/imagesgi.cpp b/nx-X11/extras/Mesa_6.4.2/progs/util/imagesgi.cpp
new file mode 100644
index 000000000..f5128aabe
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/util/imagesgi.cpp
@@ -0,0 +1,369 @@
+/******************************************************************************
+** Filename       : imageSgi.cpp
+**                  UNCLASSIFIED
+**
+** Description    : Utility to read SGI image format files.  This code was
+**                  originally a SGI image loading utility provided with the
+**                  Mesa 3D library @ http://www.mesa3d.org by Brain Paul.
+**                  This has been extended to read all SGI image formats
+**                  (e.g. INT, INTA, RGB, RGBA).
+**
+** Revision History:
+**   Date       Name   Description
+**   06/07/99   BRC    Initial Release
+**
+** Note:
+**
+** The SGI Image Data (if not RLE)
+**
+**   If the image is stored verbatim (without RLE), then image data directly
+**   follows the 512 byte header.  The data for each scanline of the first
+**   channel is written first.  If the image has more than 1 channel, all
+**   the data for the first channel is written, followed by the remaining
+**   channels.  If the BPC value is 1, then each scanline is written as XSIZE
+**   bytes.  If the BPC value is 2, then each scanline is written as XSIZE
+**   shorts.  These shorts are stored in the byte order described above.
+**
+******************************************************************************/
+#define __IMAGESGI_CPP
+
+#include "imagesgi.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <math.h>
+#include <assert.h>
+
+struct sImageSgiRaw
+{
+   struct sImageSgiHeader header;
+   unsigned char *chan0;
+   unsigned char *chan1;
+   unsigned char *chan2;
+   unsigned char *chan3;
+   unsigned int *rowStart;
+   int *rowSize;
+};
+
+// Static routines
+static struct sImageSgiRaw *ImageSgiRawOpen(char const * const fileName);
+static void ImageSgiRawClose(struct sImageSgiRaw *raw);
+static void ImageSgiRawGetRow(struct sImageSgiRaw *raw, unsigned char *buf,
+   int y, int z);
+static void ImageSgiRawGetData(struct sImageSgiRaw *raw, struct sImageSgi 
+*final);
+static void *SwitchEndian16(void *value);
+static void *SwitchEndian32(void *value);
+
+// Static variables
+FILE *mFp = NULL;
+unsigned char *mChanTmp = NULL;
+
+
+/*****************************************************************************/
+struct sImageSgi *ImageSgiOpen(char const * const fileName)
+{
+   struct sImageSgiRaw *raw = NULL;
+   struct sImageSgi *final = NULL;
+
+   raw = ImageSgiRawOpen(fileName);
+   final = new struct sImageSgi;
+
+   assert(final);
+   if(final)
+   {
+      final->header = raw->header;
+      final->data = NULL;
+      ImageSgiRawGetData(raw, final);
+      ImageSgiRawClose(raw);
+   }
+
+   return final;
+} // ImageSgiRawOpen
+
+
+/*****************************************************************************/
+void ImageSgiClose(struct sImageSgi *image)
+{
+
+   if(image)
+   {
+      if(image->data)
+         delete[] image->data;
+      image->data = NULL;
+      delete image;
+   }
+   image = NULL;
+
+   return;
+} // ImageSgiClose
+
+
+/*****************************************************************************/
+static struct sImageSgiRaw *ImageSgiRawOpen(char const * const fileName)
+{
+   struct sImageSgiRaw *raw = NULL;
+   int x;
+   int i;
+   bool swapFlag = false;
+   union
+   {
+      int testWord;
+      char testByte[4];
+   } endianTest;
+   endianTest.testWord = 1;
+
+   // Determine endianess of platform.
+   if(endianTest.testByte[0] == 1)
+      swapFlag = true;
+   else
+      swapFlag = false;
+
+   raw = new struct sImageSgiRaw;
+
+   assert(raw);
+   if(raw)
+   {
+      raw->chan0 = NULL;
+      raw->chan1 = NULL;
+      raw->chan2 = NULL;
+      raw->chan3 = NULL;
+      raw->rowStart = NULL;
+      raw->rowSize = NULL;
+      mFp = fopen(fileName, "rb");
+      assert(mFp);
+
+      fread(&raw->header, sizeof(struct sImageSgiHeader), 1, mFp);
+      if(swapFlag == true)
+      {
+         SwitchEndian16(&raw->header.magic);
+         SwitchEndian16(&raw->header.type);
+         SwitchEndian16(&raw->header.dim);
+         SwitchEndian16(&raw->header.xsize);
+         SwitchEndian16(&raw->header.ysize);
+         SwitchEndian16(&raw->header.zsize);
+      }
+
+      mChanTmp = new unsigned char[raw->header.xsize * raw->header.ysize];
+      assert(mChanTmp);
+      switch(raw->header.zsize)
+      {
+      case 4:
+         raw->chan3 = new unsigned char[raw->header.xsize * 
+raw->header.ysize];
+         assert(raw->chan3);
+      case 3:
+         raw->chan2 = new unsigned char[raw->header.xsize * 
+raw->header.ysize];
+         assert(raw->chan2);
+      case 2:
+         raw->chan1 = new unsigned char[raw->header.xsize * 
+raw->header.ysize];
+         assert(raw->chan1);
+      case 1:
+         raw->chan0 = new unsigned char[raw->header.xsize * 
+raw->header.ysize];
+         assert(raw->chan0);
+      }
+
+      if(raw->header.type == IMAGE_SGI_TYPE_RLE)
+      {
+         x = raw->header.ysize * raw->header.zsize * sizeof(unsigned int);
+         raw->rowStart = new unsigned int[x];
+         raw->rowSize = new int[x];
+
+         fseek(mFp, sizeof(struct sImageSgiHeader), SEEK_SET);
+         fread(raw->rowStart, 1, x, mFp);
+         fread(raw->rowSize, 1, x, mFp);
+
+         if(swapFlag == true)
+         {
+            for(i=0; i<x/sizeof(unsigned int); i++)
+               SwitchEndian32(&raw->rowStart[i]);
+            for(i=0; i<x/sizeof(int); i++)
+               SwitchEndian32(&raw->rowSize[i]);
+         }
+
+      }
+
+   }
+
+   return raw;
+} // ImageSgiRawOpen
+
+
+/*****************************************************************************/
+static void ImageSgiRawClose(struct sImageSgiRaw *raw)
+{
+
+   fclose(mFp);
+   mFp = NULL;
+
+   if(mChanTmp)
+      delete[] mChanTmp;
+   mChanTmp = NULL;
+
+   if(raw->chan0)
+      delete[] raw->chan0;
+   raw->chan0 = NULL;
+
+   if(raw->chan1)
+      delete[] raw->chan1;
+   raw->chan1 = NULL;
+
+   if(raw->chan2)
+      delete[] raw->chan2;
+   raw->chan2 = NULL;
+
+   if(raw->chan3)
+      delete[] raw->chan3;
+   raw->chan3 = NULL;
+
+   if(raw)
+      delete raw;
+   raw = NULL;
+
+   return;
+} // ImageSgiRawClose
+
+
+/*****************************************************************************/
+static void ImageSgiRawGetRow(struct sImageSgiRaw *raw, unsigned char *buf,
+   int y, int z)
+{
+   unsigned char *iPtr = NULL;
+   unsigned char *oPtr = NULL;
+   unsigned char pixel;
+   int count;
+
+   if((raw->header.type & 0xFF00) == 0x0100)
+   {
+      fseek(mFp, raw->rowStart[y+z*raw->header.ysize], SEEK_SET);
+      fread(mChanTmp, 1, (unsigned int)raw->rowSize[y+z*raw->header.ysize], 
+mFp);
+      iPtr = mChanTmp;
+      oPtr = buf;
+      while(1)
+      {
+         pixel = *iPtr++;
+         count = (int)(pixel & 0x7F);
+         if(!count)
+         {
+            return;
+         }
+         if (pixel & 0x80)
+         {
+            while (count--)
+            {
+               *oPtr++ = *iPtr++;
+            }
+         }
+         else
+         {
+            pixel = *iPtr++;
+            while (count--)
+            {
+               *oPtr++ = pixel;
+            }
+         }
+      }
+   }
+   else
+   {
+      fseek(mFp,
+         sizeof(struct sImageSgiHeader)+(y*raw->header.xsize) +
+            (z*raw->header.xsize*raw->header.ysize),
+         SEEK_SET);
+      fread(buf, 1, raw->header.xsize, mFp);
+   }
+
+   return;
+} // ImageSgiRawGetRow
+
+
+/*****************************************************************************/
+static void ImageSgiRawGetData(struct sImageSgiRaw *raw, struct sImageSgi 
+*final)
+{
+   unsigned char *ptr = NULL;
+   int i, j;
+
+   final->data =
+      new unsigned 
+char[raw->header.xsize*raw->header.ysize*raw->header.zsize];
+   assert(final->data);
+
+   ptr = final->data;
+   for(i=0; i<raw->header.ysize; i++)
+   {
+      switch(raw->header.zsize)
+      {
+      case 1:
+         ImageSgiRawGetRow(raw, raw->chan0, i, 0);
+         for(j=0; j<raw->header.xsize; j++)
+            *(ptr++) = raw->chan0[j];
+         break;
+      case 2:
+         ImageSgiRawGetRow(raw, raw->chan0, i, 0);
+         ImageSgiRawGetRow(raw, raw->chan1, i, 1);
+         for(j=0; j<raw->header.xsize; j++)
+         {
+            *(ptr++) = raw->chan0[j];
+            *(ptr++) = raw->chan1[j];
+         }
+         break;
+      case 3:
+         ImageSgiRawGetRow(raw, raw->chan0, i, 0);
+         ImageSgiRawGetRow(raw, raw->chan1, i, 1);
+         ImageSgiRawGetRow(raw, raw->chan2, i, 2);
+         for(j=0; j<raw->header.xsize; j++)
+         {
+            *(ptr++) = raw->chan0[j];
+            *(ptr++) = raw->chan1[j];
+            *(ptr++) = raw->chan2[j];
+         }
+         break;
+      case 4:
+         ImageSgiRawGetRow(raw, raw->chan0, i, 0);
+         ImageSgiRawGetRow(raw, raw->chan1, i, 1);
+         ImageSgiRawGetRow(raw, raw->chan2, i, 2);
+         ImageSgiRawGetRow(raw, raw->chan3, i, 3);
+         for(j=0; j<raw->header.xsize; j++)
+         {
+            *(ptr++) = raw->chan0[j];
+            *(ptr++) = raw->chan1[j];
+            *(ptr++) = raw->chan2[j];
+            *(ptr++) = raw->chan3[j];
+         }
+         break;
+      }
+   }
+
+   return;
+} // ImageSgiRawGetData
+
+
+/*****************************************************************************/
+static void *SwitchEndian16(void *value)
+{
+   short value16 = *(short *) value;
+   value16 = ((value16 & 0xff00) >> 8L) +
+             ((value16 & 0x00ff) << 8L);
+   *(short *)value = value16;
+   return value;
+} // SwitchEndian16
+
+
+/*****************************************************************************/
+static void *SwitchEndian32(void *value)
+{
+   int value32 = *(int *) value;
+   value32 = ((value32 & 0xff000000) >> 24L) +
+             ((value32 & 0x00ff0000) >> 8)   +
+             ((value32 & 0x0000ff00) << 8)   +
+             ((value32 & 0x000000ff) << 24L);
+   *(int *)value = value32;
+   return value;
+} // SwitchEndian32
+
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/util/imagesgi.h b/nx-X11/extras/Mesa_6.4.2/progs/util/imagesgi.h
new file mode 100644
index 000000000..e5ecece49
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/util/imagesgi.h
@@ -0,0 +1,55 @@
+/******************************************************************************
+** Filename       : imageSgi.h
+**                  UNCLASSIFIED
+**
+** Description    : Utility to read SGI image format files.  This code was
+**                  originally a SGI image loading utility provided with the
+**                  Mesa 3D library @ http://www.mesa3d.org by Brain Paul.
+**                  This has been extended to read all SGI image formats
+**                  (e.g. INT, INTA, RGB, RGBA).
+**
+** Revision History:
+**   Date       Name   Description
+**   06/08/99   BRC    Initial Release
+**
+******************************************************************************/
+
+#ifndef __IMAGESGI_H
+#define __IMAGESGI_H
+
+#define IMAGE_SGI_TYPE_VERBATIM 0
+#define IMAGE_SGI_TYPE_RLE      1
+
+struct sImageSgiHeader          // 512 bytes
+{
+  short magic;                  // IRIS image file magic number (474)
+  char type;                    // Storage format (e.g. RLE or VERBATIM)
+  char numBytesPerPixelChannel; // Number of bytes per pixel channel
+  unsigned short dim;           // Number of dimensions (1 to 3)
+  unsigned short xsize;         // Width (in pixels)
+  unsigned short ysize;         // Height (in pixels)
+  unsigned short zsize;         // Number of channels (1 to 4)
+  int minimumPixelValue;        // Minimum pixel value (0 to 255)
+  int maximumPixelValue;        // Maximum pixel value (0 to 255)
+  char padding1[4];             // (ignored)
+  char imageName[80];           // Image name
+  int colormap;                 // colormap ID (0=normal, 0=dithered,
+                                // 2=screen, 3=colormap)
+  char padding2[404];           // (ignored)
+};
+
+struct sImageSgi
+{
+   struct sImageSgiHeader header;
+   unsigned char *data;
+};
+
+#ifndef __IMAGESGI_CPP
+
+// RGB image load utility
+extern struct sImageSgi *ImageSgiOpen(char const * const fileName);
+extern void ImageSgiClose(struct sImageSgi *image);
+
+#endif
+
+#endif /* __IMAGESGI_H */
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/util/matrix.c b/nx-X11/extras/Mesa_6.4.2/progs/util/matrix.c
new file mode 100644
index 000000000..8be2c3111
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/util/matrix.c
@@ -0,0 +1,181 @@
+/*
+ * matrix.c
+ *
+ * Some useful matrix functions.
+ *
+ * Brian Paul
+ * 10 Feb 2004
+ */
+
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+
+
+/**
+ * Pretty-print the given matrix.
+ */
+void
+PrintMatrix(const float p[16])
+{
+   printf("[ %6.3f %6.3f %6.3f %6.3f ]\n", p[0], p[4], p[8], p[12]);
+   printf("[ %6.3f %6.3f %6.3f %6.3f ]\n", p[1], p[5], p[9], p[13]);
+   printf("[ %6.3f %6.3f %6.3f %6.3f ]\n", p[2], p[6], p[10], p[14]);
+   printf("[ %6.3f %6.3f %6.3f %6.3f ]\n", p[3], p[7], p[11], p[15]);
+}
+
+
+/**
+ * Build a glFrustum matrix.
+ */
+void
+Frustum(float left, float right, float bottom, float top, float nearZ, float farZ, float *m)
+{
+   float x = (2.0F*nearZ) / (right-left);
+   float y = (2.0F*nearZ) / (top-bottom);
+   float a = (right+left) / (right-left);
+   float b = (top+bottom) / (top-bottom);
+   float c = -(farZ+nearZ) / ( farZ-nearZ);
+   float d = -(2.0F*farZ*nearZ) / (farZ-nearZ);
+
+#define M(row,col)  m[col*4+row]
+   M(0,0) = x;     M(0,1) = 0.0F;  M(0,2) = a;      M(0,3) = 0.0F;
+   M(1,0) = 0.0F;  M(1,1) = y;     M(1,2) = b;      M(1,3) = 0.0F;
+   M(2,0) = 0.0F;  M(2,1) = 0.0F;  M(2,2) = c;      M(2,3) = d;
+   M(3,0) = 0.0F;  M(3,1) = 0.0F;  M(3,2) = -1.0F;  M(3,3) = 0.0F;
+#undef M
+}
+
+
+/**
+ * Build a glOrtho marix.
+ */
+void
+Ortho(float left, float right, float bottom, float top, float nearZ, float farZ, float *m)
+{
+#define M(row,col)  m[col*4+row]
+   M(0,0) = 2.0F / (right-left);
+   M(0,1) = 0.0F;
+   M(0,2) = 0.0F;
+   M(0,3) = -(right+left) / (right-left);
+
+   M(1,0) = 0.0F;
+   M(1,1) = 2.0F / (top-bottom);
+   M(1,2) = 0.0F;
+   M(1,3) = -(top+bottom) / (top-bottom);
+
+   M(2,0) = 0.0F;
+   M(2,1) = 0.0F;
+   M(2,2) = -2.0F / (farZ-nearZ);
+   M(2,3) = -(farZ+nearZ) / (farZ-nearZ);
+
+   M(3,0) = 0.0F;
+   M(3,1) = 0.0F;
+   M(3,2) = 0.0F;
+   M(3,3) = 1.0F;
+#undef M
+}
+
+
+/**
+ * Decompose a projection matrix to determine original glFrustum or
+ * glOrtho parameters.
+ */
+void
+DecomposeProjection( const float *m,
+                     int *isPerspective,
+                     float *leftOut, float *rightOut,
+                     float *botOut, float *topOut,
+                     float *nearOut, float *farOut)
+{
+   if (m[15] == 0.0) {
+      /* perspective */
+      float p[16];
+      const float x = m[0];  /* 2N / (R-L) */
+      const float y = m[5];  /* 2N / (T-B) */
+      const float a = m[8];  /* (R+L) / (R-L) */
+      const float b = m[9];  /* (T+B) / (T-B) */
+      const float c = m[10]; /* -(F+N) / (F-N) */
+      const float d = m[14]; /* -2FN / (F-N) */
+
+      /* These equations found with simple algebra, knowing the arithmetic
+       * use to set up a typical perspective projection matrix in OpenGL.
+       */
+      const float nearZ = -d / (1.0 - c);
+      const float farZ = (c - 1.0) * nearZ / (c + 1.0);
+      const float left = nearZ * (a - 1.0) / x;
+      const float right = 2.0 * nearZ / x + left;
+      const float bottom = nearZ * (b - 1.0) / y;
+      const float top = 2.0 * nearZ / y + bottom;
+
+      *isPerspective = 1;
+      *leftOut = left;
+      *rightOut = right;
+      *botOut = bottom;
+      *topOut = top;
+      *nearOut = nearZ;
+      *farOut = farZ;
+   }
+   else {
+      /* orthographic */
+      const float x = m[0];  /*  2 / (R-L) */
+      const float y = m[5];  /*  2 / (T-B) */
+      const float z = m[10]; /* -2 / (F-N) */
+      const float a = m[12]; /* -(R+L) / (R-L) */
+      const float b = m[13]; /* -(T+B) / (T-B) */
+      const float c = m[14]; /* -(F+N) / (F-N) */
+      /* again, simple algebra */
+      const float right  = -(a - 1.0) / x;
+      const float left   = right - 2.0 / x;
+      const float top    = -(b - 1.0) / y;
+      const float bottom = top - 2.0 / y;
+      const float farZ   = (c - 1.0) / z;
+      const float nearZ  = farZ + 2.0 / z;
+
+      *isPerspective = 0;
+      *leftOut = left;
+      *rightOut = right;
+      *botOut = bottom;
+      *topOut = top;
+      *nearOut = nearZ;
+      *farOut = farZ;
+   }
+}
+
+
+#if 0
+/* test harness */
+int
+main(int argc, char *argv[])
+{
+   float m[16], p[16];
+   float l, r, b, t, n, f;
+   int persp;
+   int i;
+
+#if 0
+   l = -.9;
+   r = 1.2;
+   b = -0.5;
+   t = 1.4;
+   n = 30;
+   f = 84;
+   printf("  Frustum(%f, %f, %f, %f, %f, %f\n",l+1, r+1.2, b+.5, t+.3, n, f);
+   Frustum(l+1, r+1.2, b+.5, t+.3, n, f, p);
+   DecomposeProjection(p, &persp, &l, &r, &b, &t, &n, &f);
+   printf("glFrustum(%f, %f, %f, %f, %f, %f)\n",
+          l, r, b, t, n, f);
+   PrintMatrix(p);
+#else
+   printf("Ortho(-1, 1, -1, 1, 10, 84)\n");
+   Ortho(-1, 1, -1, 1, 10, 84, m);
+   PrintMatrix(m);
+   DecomposeProjection(m, &persp, &l, &r, &b, &t, &n, &f);
+   printf("Ortho(%f, %f, %f, %f, %f, %f) %d\n", l, r, b, t, n, f, persp);
+#endif
+
+   return 0;
+}
+#endif
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/util/mwmborder.c b/nx-X11/extras/Mesa_6.4.2/progs/util/mwmborder.c
new file mode 100644
index 000000000..b61ffb50b
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/util/mwmborder.c
@@ -0,0 +1,91 @@
+/* mwmborder.c */
+
+
+/*
+ * This function shows how to remove the border, title bar, resize button,
+ * etc from a Motif window frame from inside an Xlib-based application.
+ *
+ * Brian Paul  19 Sep 1995   brianp@ssec.wisc.edu
+ *
+ * This code is in the public domain.
+ */
+
+
+#include <X11/Xlib.h>
+#include <X11/Xatom.h>
+
+#define HAVE_MOTIF
+#ifdef HAVE_MOTIF
+
+#include <X11/Xm/MwmUtil.h>
+
+#else
+
+/* bit definitions for MwmHints.flags */
+#define MWM_HINTS_FUNCTIONS     (1L << 0)
+#define MWM_HINTS_DECORATIONS   (1L << 1)
+#define MWM_HINTS_INPUT_MODE    (1L << 2)
+#define MWM_HINTS_STATUS        (1L << 3)
+
+/* bit definitions for MwmHints.decorations */
+#define MWM_DECOR_ALL           (1L << 0)
+#define MWM_DECOR_BORDER        (1L << 1)
+#define MWM_DECOR_RESIZEH       (1L << 2)
+#define MWM_DECOR_TITLE         (1L << 3)
+#define MWM_DECOR_MENU          (1L << 4)
+#define MWM_DECOR_MINIMIZE      (1L << 5)
+#define MWM_DECOR_MAXIMIZE      (1L << 6)
+
+typedef struct
+{
+    unsigned long       flags;
+    unsigned long       functions;
+    unsigned long       decorations;
+    long                inputMode;
+    unsigned long       status;
+} PropMotifWmHints;
+
+#define PROP_MOTIF_WM_HINTS_ELEMENTS    5
+
+#endif
+
+
+
+/*
+ * Specify which Motif window manager border decorations to put on a
+ * top-level window.  For example, you can specify that a window is not
+ * resizabe, or omit the titlebar, or completely remove all decorations.
+ * Input:  dpy - the X display
+ *         w - the X window
+ *         flags - bitwise-OR of the MWM_DECOR_xxx symbols in X11/Xm/MwmUtil.h
+ *                 indicating what decoration elements to enable.  Zero would
+ *                 be no decoration.
+ */
+void set_mwm_border( Display *dpy, Window w, unsigned long flags )
+{
+   PropMotifWmHints motif_hints;
+   Atom prop, proptype;
+
+   /* setup the property */
+   motif_hints.flags = MWM_HINTS_DECORATIONS;
+   motif_hints.decorations = flags;
+
+   /* get the atom for the property */
+   prop = XInternAtom( dpy, "_MOTIF_WM_HINTS", True );
+   if (!prop) {
+      /* something went wrong! */
+      return;
+   }
+
+   /* not sure this is correct, seems to work, XA_WM_HINTS didn't work */
+   proptype = prop;
+
+   XChangeProperty( dpy, w,                         /* display, window */
+                    prop, proptype,                 /* property, type */
+                    32,                             /* format: 32-bit datums */
+                    PropModeReplace,                /* mode */
+                    (unsigned char *) &motif_hints, /* data */
+                    PROP_MOTIF_WM_HINTS_ELEMENTS    /* nelements */
+                  );
+}
+
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/util/readtex.c b/nx-X11/extras/Mesa_6.4.2/progs/util/readtex.c
new file mode 100644
index 000000000..280d6c811
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/util/readtex.c
@@ -0,0 +1,451 @@
+/* readtex.c */
+
+/*
+ * Read an SGI .rgb image file and generate a mipmap texture set.
+ * Much of this code was borrowed from SGI's tk OpenGL toolkit.
+ */
+
+
+
+#include <GL/gl.h>
+#include <GL/glu.h>
+#include <stdio.h>
+#include <stdlib.h> 
+#include <string.h>
+#include "readtex.h"
+
+
+#ifndef SEEK_SET
+#  define SEEK_SET 0
+#endif
+
+
+/*
+** RGB Image Structure
+*/
+
+typedef struct _TK_RGBImageRec {
+   GLint sizeX, sizeY;
+   GLint components;
+   unsigned char *data;
+} TK_RGBImageRec;
+
+
+
+/******************************************************************************/
+
+typedef struct _rawImageRec {
+    unsigned short imagic;
+    unsigned short type;
+    unsigned short dim;
+    unsigned short sizeX, sizeY, sizeZ;
+    unsigned long min, max;
+    unsigned long wasteBytes;
+    char name[80];
+    unsigned long colorMap;
+    FILE *file;
+    unsigned char *tmp, *tmpR, *tmpG, *tmpB, *tmpA;
+    unsigned long rleEnd;
+    GLuint *rowStart;
+    GLint *rowSize;
+} rawImageRec;
+
+/******************************************************************************/
+
+static void ConvertShort(unsigned short *array, long length)
+{
+   unsigned long b1, b2;
+   unsigned char *ptr;
+
+   ptr = (unsigned char *)array;
+   while (length--) {
+      b1 = *ptr++;
+      b2 = *ptr++;
+      *array++ = (unsigned short) ((b1 << 8) | (b2));
+   }
+}
+
+static void ConvertLong(GLuint *array, long length)
+{
+   unsigned long b1, b2, b3, b4;
+   unsigned char *ptr;
+
+   ptr = (unsigned char *)array;
+   while (length--) {
+      b1 = *ptr++;
+      b2 = *ptr++;
+      b3 = *ptr++;
+      b4 = *ptr++;
+      *array++ = (b1 << 24) | (b2 << 16) | (b3 << 8) | (b4);
+   }
+}
+
+static rawImageRec *RawImageOpen(const char *fileName)
+{
+   union {
+      int testWord;
+      char testByte[4];
+   } endianTest;
+   rawImageRec *raw;
+   GLenum swapFlag;
+   int x;
+
+   endianTest.testWord = 1;
+   if (endianTest.testByte[0] == 1) {
+      swapFlag = GL_TRUE;
+   } else {
+      swapFlag = GL_FALSE;
+   }
+
+   raw = (rawImageRec *)malloc(sizeof(rawImageRec));
+   if (raw == NULL) {
+      fprintf(stderr, "Out of memory!\n");
+      return NULL;
+   }
+   if ((raw->file = fopen(fileName, "rb")) == NULL) {
+      perror(fileName);
+      return NULL;
+   }
+
+   fread(raw, 1, 12, raw->file);
+
+   if (swapFlag) {
+      ConvertShort(&raw->imagic, 6);
+   }
+
+   raw->tmp = (unsigned char *)malloc(raw->sizeX*256);
+   raw->tmpR = (unsigned char *)malloc(raw->sizeX*256);
+   raw->tmpG = (unsigned char *)malloc(raw->sizeX*256);
+   raw->tmpB = (unsigned char *)malloc(raw->sizeX*256);
+   if (raw->sizeZ==4) {
+      raw->tmpA = (unsigned char *)malloc(raw->sizeX*256);
+   }
+   if (raw->tmp == NULL || raw->tmpR == NULL || raw->tmpG == NULL ||
+       raw->tmpB == NULL) {
+      fprintf(stderr, "Out of memory!\n");
+      return NULL;
+   }
+
+   if ((raw->type & 0xFF00) == 0x0100) {
+      x = raw->sizeY * raw->sizeZ * sizeof(GLuint);
+      raw->rowStart = (GLuint *)malloc(x);
+      raw->rowSize = (GLint *)malloc(x);
+      if (raw->rowStart == NULL || raw->rowSize == NULL) {
+         fprintf(stderr, "Out of memory!\n");
+         return NULL;
+      }
+      raw->rleEnd = 512 + (2 * x);
+      fseek(raw->file, 512, SEEK_SET);
+      fread(raw->rowStart, 1, x, raw->file);
+      fread(raw->rowSize, 1, x, raw->file);
+      if (swapFlag) {
+         ConvertLong(raw->rowStart, (long) (x/sizeof(GLuint)));
+         ConvertLong((GLuint *)raw->rowSize, (long) (x/sizeof(GLint)));
+      }
+   }
+   return raw;
+}
+
+static void RawImageClose(rawImageRec *raw)
+{
+
+   fclose(raw->file);
+   free(raw->tmp);
+   free(raw->tmpR);
+   free(raw->tmpG);
+   free(raw->tmpB);
+   if (raw->sizeZ>3) {
+      free(raw->tmpA);
+   }
+   free(raw);
+}
+
+static void RawImageGetRow(rawImageRec *raw, unsigned char *buf, int y, int z)
+{
+   unsigned char *iPtr, *oPtr, pixel;
+   int count, done = 0;
+
+   if ((raw->type & 0xFF00) == 0x0100) {
+      fseek(raw->file, (long) raw->rowStart[y+z*raw->sizeY], SEEK_SET);
+      fread(raw->tmp, 1, (unsigned int)raw->rowSize[y+z*raw->sizeY],
+            raw->file);
+      
+      iPtr = raw->tmp;
+      oPtr = buf;
+      while (!done) {
+         pixel = *iPtr++;
+         count = (int)(pixel & 0x7F);
+         if (!count) {
+			 done = 1;
+            return;
+         }
+         if (pixel & 0x80) {
+            while (count--) {
+               *oPtr++ = *iPtr++;
+            }
+         } else {
+            pixel = *iPtr++;
+            while (count--) {
+               *oPtr++ = pixel;
+            }
+         }
+      }
+   } else {
+      fseek(raw->file, 512+(y*raw->sizeX)+(z*raw->sizeX*raw->sizeY),
+            SEEK_SET);
+      fread(buf, 1, raw->sizeX, raw->file);
+   }
+}
+
+
+static void RawImageGetData(rawImageRec *raw, TK_RGBImageRec *final)
+{
+   unsigned char *ptr;
+   int i, j;
+
+   final->data = (unsigned char *)malloc((raw->sizeX+1)*(raw->sizeY+1)*4);
+   if (final->data == NULL) {
+      fprintf(stderr, "Out of memory!\n");
+   }
+
+   ptr = final->data;
+   for (i = 0; i < (int)(raw->sizeY); i++) {
+      RawImageGetRow(raw, raw->tmpR, i, 0);
+      RawImageGetRow(raw, raw->tmpG, i, 1);
+      RawImageGetRow(raw, raw->tmpB, i, 2);
+      if (raw->sizeZ>3) {
+         RawImageGetRow(raw, raw->tmpA, i, 3);
+      }
+      for (j = 0; j < (int)(raw->sizeX); j++) {
+         *ptr++ = *(raw->tmpR + j);
+         *ptr++ = *(raw->tmpG + j);
+         *ptr++ = *(raw->tmpB + j);
+         if (raw->sizeZ>3) {
+            *ptr++ = *(raw->tmpA + j);
+         }
+      }
+   }
+}
+
+
+static TK_RGBImageRec *tkRGBImageLoad(const char *fileName)
+{
+   rawImageRec *raw;
+   TK_RGBImageRec *final;
+
+   raw = RawImageOpen(fileName);
+   if (!raw) {
+      fprintf(stderr, "File not found\n");
+      return NULL;
+   }
+   final = (TK_RGBImageRec *)malloc(sizeof(TK_RGBImageRec));
+   if (final == NULL) {
+      fprintf(stderr, "Out of memory!\n");
+      return NULL;
+   }
+   final->sizeX = raw->sizeX;
+   final->sizeY = raw->sizeY;
+   final->components = raw->sizeZ;
+   RawImageGetData(raw, final);
+   RawImageClose(raw);
+   return final;
+}
+
+
+static void FreeImage( TK_RGBImageRec *image )
+{
+   free(image->data);
+   free(image);
+}
+
+
+/*
+ * Load an SGI .rgb file and generate a set of 2-D mipmaps from it.
+ * Input:  imageFile - name of .rgb to read
+ *         intFormat - internal texture format to use, or number of components
+ * Return:  GL_TRUE if success, GL_FALSE if error.
+ */
+GLboolean LoadRGBMipmaps( const char *imageFile, GLint intFormat )
+{
+   GLint w, h;
+   return LoadRGBMipmaps2( imageFile, GL_TEXTURE_2D, intFormat, &w, &h );
+}
+
+
+
+GLboolean LoadRGBMipmaps2( const char *imageFile, GLenum target,
+                           GLint intFormat, GLint *width, GLint *height )
+{
+   GLint error;
+   GLenum format;
+   TK_RGBImageRec *image;
+
+   image = tkRGBImageLoad( imageFile );
+   if (!image) {
+      return GL_FALSE;
+   }
+
+   if (image->components==3) {
+      format = GL_RGB;
+   }
+   else if (image->components==4) {
+      format = GL_RGBA;
+   }
+   else {
+      /* not implemented */
+      fprintf(stderr,
+              "Error in LoadRGBMipmaps %d-component images not implemented\n",
+              image->components );
+      return GL_FALSE;
+   }
+
+   error = gluBuild2DMipmaps( target,
+                              intFormat,
+                              image->sizeX, image->sizeY,
+                              format,
+                              GL_UNSIGNED_BYTE,
+                              image->data );
+
+   *width = image->sizeX;
+   *height = image->sizeY;
+
+   FreeImage(image);
+
+   return error ? GL_FALSE : GL_TRUE;
+}
+
+
+
+/*
+ * Load an SGI .rgb file and return a pointer to the image data.
+ * Input:  imageFile - name of .rgb to read
+ * Output:  width - width of image
+ *          height - height of image
+ *          format - format of image (GL_RGB or GL_RGBA)
+ * Return:  pointer to image data or NULL if error
+ */
+GLubyte *LoadRGBImage( const char *imageFile, GLint *width, GLint *height,
+                       GLenum *format )
+{
+   TK_RGBImageRec *image;
+   GLint bytes;
+   GLubyte *buffer;
+
+   image = tkRGBImageLoad( imageFile );
+   if (!image) {
+      return NULL;
+   }
+
+   if (image->components==3) {
+      *format = GL_RGB;
+   }
+   else if (image->components==4) {
+      *format = GL_RGBA;
+   }
+   else {
+      /* not implemented */
+      fprintf(stderr,
+              "Error in LoadRGBImage %d-component images not implemented\n",
+              image->components );
+      return NULL;
+   }
+
+   *width = image->sizeX;
+   *height = image->sizeY;
+
+   bytes = image->sizeX * image->sizeY * image->components;
+   buffer = (GLubyte *) malloc(bytes);
+   if (!buffer)
+      return NULL;
+
+   memcpy( (void *) buffer, (void *) image->data, bytes );
+
+   FreeImage(image);
+
+   return buffer;
+}
+
+#define CLAMP( X, MIN, MAX )  ( (X)<(MIN) ? (MIN) : ((X)>(MAX) ? (MAX) : (X)) )
+
+
+static void ConvertRGBtoYUV(GLint w, GLint h, GLint texel_bytes,
+			    const GLubyte *src,
+                            GLushort *dest)
+{
+   GLint i, j;
+
+   for (i = 0; i < h; i++) {
+      for (j = 0; j < w; j++) {
+         const GLfloat r = (src[0]) / 255.0;
+         const GLfloat g = (src[1]) / 255.0;
+         const GLfloat b = (src[2]) / 255.0;
+         GLfloat y, cr, cb;
+         GLint iy, icr, icb;
+
+         y  = r * 65.481 + g * 128.553 + b * 24.966 + 16;
+         cb = r * -37.797 + g * -74.203 + b * 112.0 + 128;
+         cr = r * 112.0 + g * -93.786 + b * -18.214 + 128;
+         /*printf("%f %f %f -> %f %f %f\n", r, g, b, y, cb, cr);*/
+         iy  = (GLint) CLAMP(y,  0, 254);
+         icb = (GLint) CLAMP(cb, 0, 254);
+         icr = (GLint) CLAMP(cr, 0, 254);
+
+         if (j & 1) {
+            /* odd */
+            *dest = (iy << 8) | icr;
+         }
+         else {
+            /* even */
+            *dest = (iy << 8) | icb;
+         }
+         dest++;
+	 src += texel_bytes;
+      }
+   }
+}
+
+
+/*
+ * Load an SGI .rgb file and return a pointer to the image data, converted
+ * to 422 yuv.
+ *
+ * Input:  imageFile - name of .rgb to read
+ * Output:  width - width of image
+ *          height - height of image
+ * Return:  pointer to image data or NULL if error
+ */
+GLushort *LoadYUVImage( const char *imageFile, GLint *width, GLint *height )
+{
+   TK_RGBImageRec *image;
+   GLushort *buffer;
+
+   image = tkRGBImageLoad( imageFile );
+   if (!image) {
+      return NULL;
+   }
+
+   if (image->components != 3 && image->components !=4 ) {
+      /* not implemented */
+      fprintf(stderr,
+              "Error in LoadYUVImage %d-component images not implemented\n",
+              image->components );
+      return NULL;
+   }
+
+   *width = image->sizeX;
+   *height = image->sizeY;
+
+   buffer = (GLushort *) malloc( image->sizeX * image->sizeY * 2 );
+
+   if (buffer)
+      ConvertRGBtoYUV( image->sizeX, 
+		       image->sizeY,
+		       image->components,
+		       image->data, 
+		       buffer );
+
+
+   FreeImage(image);
+   return buffer;
+}
+
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/util/readtex.h b/nx-X11/extras/Mesa_6.4.2/progs/util/readtex.h
new file mode 100644
index 000000000..6c9a3828d
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/util/readtex.h
@@ -0,0 +1,26 @@
+/* readtex.h */
+
+#ifndef READTEX_H
+#define READTEX_H
+
+
+#include <GL/gl.h>
+
+
+extern GLboolean
+LoadRGBMipmaps( const char *imageFile, GLint intFormat );
+
+
+extern GLboolean
+LoadRGBMipmaps2( const char *imageFile, GLenum target,
+                 GLint intFormat, GLint *width, GLint *height );
+
+
+extern GLubyte *
+LoadRGBImage( const char *imageFile,
+              GLint *width, GLint *height, GLenum *format );
+
+extern GLushort *
+LoadYUVImage( const char *imageFile, GLint *width, GLint *height );
+
+#endif
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/util/sampleMakefile b/nx-X11/extras/Mesa_6.4.2/progs/util/sampleMakefile
new file mode 100644
index 000000000..ebb57ff3d
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/util/sampleMakefile
@@ -0,0 +1,49 @@
+# $Id: sampleMakefile,v 1.1 1999/08/19 00:55:42 jtg Exp $
+
+# Sample makefile for compiling OpenGL/Mesa applications on Unix.
+# This example assumes Linux with gcc.
+
+# This makefile is in the public domain
+
+# $Log: sampleMakefile,v $
+# Revision 1.1  1999/08/19 00:55:42  jtg
+# Initial revision
+#
+# Revision 1.1  1999/02/24 05:20:45  brianp
+# Initial revision
+#
+
+
+CC = gcc
+
+CFLAGS = -c -g -ansi -pedantic -Wall
+
+INCDIRS = -I. -I../include
+
+LIBDIRS = -L../lib -L/usr/X11/lib
+
+LIBS = -lglut -lMesaGLU -lMesaGL -lX11 -lXext -lXmu -lXt -lXi -lSM -lICE -lm
+
+OBJECTS = main.o \
+	file1.o \
+	file2.o \
+	file3.o
+
+
+PROGRAMS = myprogram
+
+
+.c.o:
+	$(CC) $(CFLAGS) $(INCDIRS) $< -o $@
+
+
+
+default: $(PROGRAMS)
+
+
+dtenvmap: $(OBJECTS)
+	$(CC) $(OBJECTS) $(LIBDIRS) $(LIBS) -o $@
+
+
+clean:
+	rm -f *.o
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/util/showbuffer.c b/nx-X11/extras/Mesa_6.4.2/progs/util/showbuffer.c
new file mode 100644
index 000000000..17f84dc62
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/util/showbuffer.c
@@ -0,0 +1,192 @@
+/* showbuffer.c */
+
+
+/*
+ * Copy the depth buffer to the color buffer as a grayscale image.
+ * Useful for inspecting the depth buffer values.
+ *
+ * This program is in the public domain.
+ *
+ * Brian Paul   November 4, 1998
+ */
+
+
+#include <assert.h>
+#include <stdlib.h>
+#include <GL/gl.h>
+#include "showbuffer.h"
+
+
+
+/*
+ * Copy the depth buffer values into the current color buffer as a
+ * grayscale image.
+ * Input:  winWidth, winHeight - size of the window
+ *         zBlack - the Z value which should map to black (usually 1)
+ *         zWhite - the Z value which should map to white (usually 0)
+ */
+void
+ShowDepthBuffer( GLsizei winWidth, GLsizei winHeight,
+                 GLfloat zBlack, GLfloat zWhite )
+{
+   GLfloat *depthValues;
+
+   assert(zBlack >= 0.0);
+   assert(zBlack <= 1.0);
+   assert(zWhite >= 0.0);
+   assert(zWhite <= 1.0);
+   assert(zBlack != zWhite);
+
+   glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+   glPixelStorei(GL_PACK_ALIGNMENT, 1);
+
+   /* Read depth values */
+   depthValues = (GLfloat *) malloc(winWidth * winHeight * sizeof(GLfloat));
+   assert(depthValues);
+   glReadPixels(0, 0, winWidth, winHeight, GL_DEPTH_COMPONENT,
+                GL_FLOAT, depthValues);
+
+   /* Map Z values from [zBlack, zWhite] to gray levels in [0, 1] */
+   /* Not using glPixelTransfer() because it's broke on some systems! */
+   if (zBlack != 0.0 || zWhite != 1.0) {
+      GLfloat scale = 1.0 / (zWhite - zBlack);
+      GLfloat bias = -zBlack * scale;
+      int n = winWidth * winHeight;
+      int i;
+      for (i = 0; i < n; i++)
+         depthValues[i] = depthValues[i] * scale + bias;
+   }
+
+   /* save GL state */
+   glPushAttrib(GL_CURRENT_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT |
+                GL_TRANSFORM_BIT | GL_VIEWPORT_BIT);
+
+   /* setup raster pos for glDrawPixels */
+   glMatrixMode(GL_PROJECTION);
+   glPushMatrix();
+   glLoadIdentity();
+
+   glOrtho(0.0, (GLdouble) winWidth, 0.0, (GLdouble) winHeight, -1.0, 1.0);
+   glMatrixMode(GL_MODELVIEW);
+   glPushMatrix();
+   glLoadIdentity();
+
+   glDisable(GL_STENCIL_TEST);
+   glDisable(GL_DEPTH_TEST);
+   glRasterPos2f(0, 0);
+
+   glDrawPixels(winWidth, winHeight, GL_LUMINANCE, GL_FLOAT, depthValues);
+
+   glPopMatrix();
+   glMatrixMode(GL_PROJECTION);
+   glPopMatrix();
+   free(depthValues);
+
+   glPopAttrib();
+}
+
+
+
+
+/*
+ * Copy the alpha channel values into the current color buffer as a
+ * grayscale image.
+ * Input:  winWidth, winHeight - size of the window
+ */
+void
+ShowAlphaBuffer( GLsizei winWidth, GLsizei winHeight )
+{
+   GLubyte *alphaValues;
+
+   glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+   glPixelStorei(GL_PACK_ALIGNMENT, 1);
+
+   /* Read alpha values */
+   alphaValues = (GLubyte *) malloc(winWidth * winHeight * sizeof(GLubyte));
+   assert(alphaValues);
+   glReadPixels(0, 0, winWidth, winHeight, GL_ALPHA, GL_UNSIGNED_BYTE, alphaValues);
+
+   /* save GL state */
+   glPushAttrib(GL_CURRENT_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL |
+                GL_TRANSFORM_BIT | GL_VIEWPORT_BIT);
+
+   /* setup raster pos for glDrawPixels */
+   glMatrixMode(GL_PROJECTION);
+   glPushMatrix();
+   glLoadIdentity();
+
+   glOrtho(0.0, (GLdouble) winWidth, 0.0, (GLdouble) winHeight, -1.0, 1.0);
+   glMatrixMode(GL_MODELVIEW);
+   glPushMatrix();
+   glLoadIdentity();
+
+   glDisable(GL_STENCIL_TEST);
+   glDisable(GL_DEPTH_TEST);
+   glRasterPos2f(0, 0);
+
+   glDrawPixels(winWidth, winHeight, GL_LUMINANCE, GL_UNSIGNED_BYTE, alphaValues);
+
+   glPopMatrix();
+   glMatrixMode(GL_PROJECTION);
+   glPopMatrix();
+   free(alphaValues);
+
+   glPopAttrib();
+}
+
+
+
+/*
+ * Copy the stencil buffer values into the current color buffer as a
+ * grayscale image.
+ * Input:  winWidth, winHeight - size of the window
+ *         scale, bias - scale and bias to apply to stencil values for display
+ */
+void
+ShowStencilBuffer( GLsizei winWidth, GLsizei winHeight,
+                   GLfloat scale, GLfloat bias )
+{
+   GLubyte *stencilValues;
+
+   glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+   glPixelStorei(GL_PACK_ALIGNMENT, 1);
+
+   /* Read stencil values */
+   stencilValues = (GLubyte *) malloc(winWidth * winHeight * sizeof(GLubyte));
+   assert(stencilValues);
+   glReadPixels(0, 0, winWidth, winHeight, GL_STENCIL_INDEX, GL_UNSIGNED_BYTE, stencilValues);
+
+   /* save GL state */
+   glPushAttrib(GL_CURRENT_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT |
+                GL_PIXEL_MODE_BIT | GL_TRANSFORM_BIT | GL_VIEWPORT_BIT);
+
+   /* setup raster pos for glDrawPixels */
+   glMatrixMode(GL_PROJECTION);
+   glPushMatrix();
+   glLoadIdentity();
+
+   glOrtho(0.0, (GLdouble) winWidth, 0.0, (GLdouble) winHeight, -1.0, 1.0);
+   glMatrixMode(GL_MODELVIEW);
+   glPushMatrix();
+   glLoadIdentity();
+
+   glDisable(GL_STENCIL_TEST);
+   glDisable(GL_DEPTH_TEST);
+   glRasterPos2f(0, 0);
+
+   glPixelTransferf(GL_RED_SCALE, scale);
+   glPixelTransferf(GL_RED_BIAS, bias);
+   glPixelTransferf(GL_GREEN_SCALE, scale);
+   glPixelTransferf(GL_GREEN_BIAS, bias);
+   glPixelTransferf(GL_BLUE_SCALE, scale);
+   glPixelTransferf(GL_BLUE_BIAS, bias);
+
+   glDrawPixels(winWidth, winHeight, GL_LUMINANCE, GL_UNSIGNED_BYTE, stencilValues);
+
+   glPopMatrix();
+   glMatrixMode(GL_PROJECTION);
+   glPopMatrix();
+   free(stencilValues);
+
+   glPopAttrib();
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/util/showbuffer.h b/nx-X11/extras/Mesa_6.4.2/progs/util/showbuffer.h
new file mode 100644
index 000000000..63533d8e9
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/util/showbuffer.h
@@ -0,0 +1,36 @@
+/* showbuffer. h*/
+
+/*
+ * Copy the depth buffer to the color buffer as a grayscale image.
+ * Useful for inspecting the depth buffer values.
+ *
+ * This program is in the public domain.
+ *
+ * Brian Paul   November 4, 1998
+ */
+
+
+#ifndef SHOWBUFFER_H
+#define SHOWBUFFER_H
+
+
+#include <GL/gl.h>
+
+
+
+extern void
+ShowDepthBuffer( GLsizei winWidth, GLsizei winHeight,
+                 GLfloat zBlack, GLfloat zWhite );
+
+
+extern void
+ShowAlphaBuffer( GLsizei winWidth, GLsizei winHeight );
+
+
+extern void
+ShowStencilBuffer( GLsizei winWidth, GLsizei winHeight,
+                   GLfloat scale, GLfloat bias );
+
+
+
+#endif
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/util/winpos.c b/nx-X11/extras/Mesa_6.4.2/progs/util/winpos.c
new file mode 100644
index 000000000..5ad98fd27
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/util/winpos.c
@@ -0,0 +1,42 @@
+/* winpos.c */
+
+
+/*
+ * Set the current raster position to a specific window
+ * coordinate.  Also see the GL_MESA_window_pos extension.
+ *
+ * Written by Brian Paul and in the public domain.
+ */
+
+
+void WindowPos( GLfloat x, GLfloat y, GLfloat z )
+{
+   GLfloat fx, fy;
+
+   /* Push current matrix mode and viewport attributes */
+   glPushAttrib( GL_TRANSFORM_BIT | GL_VIEWPORT_BIT );
+
+   /* Setup projection parameters */
+   glMatrixMode( GL_PROJECTION );
+   glPushMatrix();
+   glLoadIdentity();
+   glMatrixMode( GL_MODELVIEW );
+   glPushMatrix();
+   glLoadIdentity();
+
+   glDepthRange( z, z );
+   glViewport( (int) x - 1, (int) y - 1, 2, 2 );
+
+   /* set the raster (window) position */
+   fx = x - (int) x;
+   fy = y - (int) y;
+   glRasterPos3f( fx, fy, 0.0 );
+
+   /* restore matrices, viewport and matrix mode */
+   glPopMatrix();
+   glMatrixMode( GL_PROJECTION );
+   glPopMatrix();
+
+   glPopAttrib();
+}
+
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/windml/Makefile.ugl b/nx-X11/extras/Mesa_6.4.2/progs/windml/Makefile.ugl
new file mode 100644
index 000000000..90b0b29bc
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/windml/Makefile.ugl
@@ -0,0 +1,68 @@
+# Mesa 3-D graphics library
+# Version:  3.5
+#
+# Copyright (C) 2001 Wind River Systems, Inc
+
+# The MIT License
+# Permission is hereby granted, free of charge, to any person obtaining a
+# copy of this software and associated documentation files (the "Software"),
+# to deal in the Software without restriction, including without limitation
+# the rights to use, copy, modify, merge, publish, distribute, sublicense,
+# and/or sell copies of the Software, and to permit persons to whom the
+# Software is furnished to do so, subject to the following conditions:
+# 
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+# 
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 
+# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 
+# DEALINGS IN THE SOFTWARE.
+
+# Makefile for UGL/Mesa demos
+
+DEMO_SOURCES = readtex.c uglaccum.c uglalldemos.c uglbounce.c uglcube.c \
+ugldrawpix.c uglflip.c uglgears.c uglicotorus.c uglline.c uglolympic.c \
+uglpoint.c uglstencil.c uglteapot.c ugltexcube.c ugltexcyl.c
+#win2d3d/winRoot.c win2d3d/winBall.c win2d3d/winPuzzle.c win2d3d/winHello.c \
+#win2d3d/winImage.c win2d3d/winGears.c
+
+DEMO_OBJECTS = $(DEMO_SOURCES:.c=.o)
+
+SOURCES = $(DEMO_SOURCES)
+
+include ../rules.windml
+
+##### TARGETS #####
+
+all: depend.$(CPU)$(TOOL) $(DEMO_OBJECTS)
+
+depend.$(CPU)$(TOOL):
+ifeq ($(WIND_HOST_TYPE),x86-win32)
+	@ $(RM) $@
+	@ $(ECHO) Creating depend.$(CPU)$(TOOL)
+ifneq ($(SOURCES),)
+	@ for %f in ($(SOURCES)) do \
+	$(CC) -MM $(CFLAGS) %f >>$@ 
+endif
+else
+Makefile
+	@ $(RM) $@
+	@ $(ECHO) "Creating depend.$(CPU)$(TOOL)"
+ifneq ($(SOURCES),)
+	@ for FILE in $(filter-out $(NODEPENDOBJS), $(SOURCES)); \
+	do \
+	$(CC) -MM $(CFLAGS) $$FILE  \
+	| $(TCL) $(BIN_DIR)/depend.tcl $(TGT_DIR) >>$@; \
+	done	
+endif
+endif
+
+.PHONY = clean
+
+clean:
+	$(RM) $(DEMO_OBJECTS)
+	$(RM) depend.$(CPU)$(TOOL)
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/windml/readtex.c b/nx-X11/extras/Mesa_6.4.2/progs/windml/readtex.c
new file mode 100644
index 000000000..659c49de8
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/windml/readtex.c
@@ -0,0 +1,365 @@
+/* readtex.c */
+
+/*
+ * Read an SGI .rgb image file and generate a mipmap texture set.
+ * Much of this code was borrowed from SGI's tk OpenGL toolkit.
+ */
+
+#include <GL/gl.h>
+#include <GL/glu.h>
+#include <stdio.h>
+#include <stdlib.h> 
+#include <string.h>
+#include "../util/readtex.h"
+
+
+#ifndef SEEK_SET
+#  define SEEK_SET 0
+#endif
+
+
+/*
+** RGB Image Structure
+*/
+
+typedef struct _TK_RGBImageRec {
+   GLint sizeX, sizeY;
+   GLint components;
+   unsigned char *data;
+} TK_RGBImageRec;
+
+
+
+/******************************************************************************/
+
+typedef struct _rawImageRec {
+    unsigned short imagic;
+    unsigned short type;
+    unsigned short dim;
+    unsigned short sizeX, sizeY, sizeZ;
+    unsigned long min, max;
+    unsigned long wasteBytes;
+    char name[80];
+    unsigned long colorMap;
+    FILE *file;
+    unsigned char *tmp, *tmpR, *tmpG, *tmpB, *tmpA;
+    unsigned long rleEnd;
+    GLuint *rowStart;
+    GLint *rowSize;
+} rawImageRec;
+
+/******************************************************************************/
+
+static void ConvertShort(unsigned short *array, long length)
+{
+   unsigned long b1, b2;
+   unsigned char *ptr;
+
+   ptr = (unsigned char *)array;
+   while (length--) {
+      b1 = *ptr++;
+      b2 = *ptr++;
+      *array++ = (unsigned short) ((b1 << 8) | (b2));
+   }
+}
+
+static void ConvertLong(GLuint *array, long length)
+{
+   unsigned long b1, b2, b3, b4;
+   unsigned char *ptr;
+
+   ptr = (unsigned char *)array;
+   while (length--) {
+      b1 = *ptr++;
+      b2 = *ptr++;
+      b3 = *ptr++;
+      b4 = *ptr++;
+      *array++ = (b1 << 24) | (b2 << 16) | (b3 << 8) | (b4);
+   }
+}
+
+static rawImageRec *RawImageOpen(const char *fileName)
+{
+   union {
+      int testWord;
+      char testByte[4];
+   } endianTest;
+   rawImageRec *raw;
+   GLenum swapFlag;
+   int x;
+
+   endianTest.testWord = 1;
+   if (endianTest.testByte[0] == 1) {
+      swapFlag = GL_TRUE;
+   } else {
+      swapFlag = GL_FALSE;
+   }
+
+   raw = (rawImageRec *)malloc(sizeof(rawImageRec));
+   if (raw == NULL) {
+      fprintf(stderr, "Out of memory!\n");
+      return NULL;
+   }
+   if ((raw->file = fopen(fileName, "rb")) == NULL) {
+      perror(fileName);
+      return NULL;
+   }
+
+   fread(raw, 1, 12, raw->file);
+
+   if (swapFlag) {
+      ConvertShort(&raw->imagic, 6);
+   }
+
+   raw->tmp = (unsigned char *)malloc(raw->sizeX*256);
+   raw->tmpR = (unsigned char *)malloc(raw->sizeX*256);
+   raw->tmpG = (unsigned char *)malloc(raw->sizeX*256);
+   raw->tmpB = (unsigned char *)malloc(raw->sizeX*256);
+   if (raw->sizeZ==4) {
+      raw->tmpA = (unsigned char *)malloc(raw->sizeX*256);
+   }
+   if (raw->tmp == NULL || raw->tmpR == NULL || raw->tmpG == NULL ||
+       raw->tmpB == NULL) {
+      fprintf(stderr, "Out of memory!\n");
+      return NULL;
+   }
+
+   if ((raw->type & 0xFF00) == 0x0100) {
+      x = raw->sizeY * raw->sizeZ * sizeof(GLuint);
+      raw->rowStart = (GLuint *)malloc(x);
+      raw->rowSize = (GLint *)malloc(x);
+      if (raw->rowStart == NULL || raw->rowSize == NULL) {
+         fprintf(stderr, "Out of memory!\n");
+         return NULL;
+      }
+      raw->rleEnd = 512 + (2 * x);
+      fseek(raw->file, 512, SEEK_SET);
+      fread(raw->rowStart, 1, x, raw->file);
+      fread(raw->rowSize, 1, x, raw->file);
+      if (swapFlag) {
+         ConvertLong(raw->rowStart, (long) (x/sizeof(GLuint)));
+         ConvertLong((GLuint *)raw->rowSize, (long) (x/sizeof(GLint)));
+      }
+   }
+   return raw;
+}
+
+static void RawImageClose(rawImageRec *raw)
+{
+
+   fclose(raw->file);
+   free(raw->tmp);
+   free(raw->tmpR);
+   free(raw->tmpG);
+   free(raw->tmpB);
+   if (raw->sizeZ>3) {
+      free(raw->tmpA);
+   }
+   free(raw);
+}
+
+static void RawImageGetRow(rawImageRec *raw, unsigned char *buf, int y, int z)
+{
+   unsigned char *iPtr, *oPtr, pixel;
+   int count, done = 0;
+
+   if ((raw->type & 0xFF00) == 0x0100) {
+      fseek(raw->file, (long) raw->rowStart[y+z*raw->sizeY], SEEK_SET);
+      fread(raw->tmp, 1, (unsigned int)raw->rowSize[y+z*raw->sizeY],
+            raw->file);
+      
+      iPtr = raw->tmp;
+      oPtr = buf;
+      while (!done) {
+         pixel = *iPtr++;
+         count = (int)(pixel & 0x7F);
+         if (!count) {
+			 done = 1;
+            return;
+         }
+         if (pixel & 0x80) {
+            while (count--) {
+               *oPtr++ = *iPtr++;
+            }
+         } else {
+            pixel = *iPtr++;
+            while (count--) {
+               *oPtr++ = pixel;
+            }
+         }
+      }
+   } else {
+      fseek(raw->file, 512+(y*raw->sizeX)+(z*raw->sizeX*raw->sizeY),
+            SEEK_SET);
+      fread(buf, 1, raw->sizeX, raw->file);
+   }
+}
+
+
+static void RawImageGetData(rawImageRec *raw, TK_RGBImageRec *final)
+{
+   unsigned char *ptr;
+   int i, j;
+
+   final->data = (unsigned char *)malloc((raw->sizeX+1)*(raw->sizeY+1)*4);
+   if (final->data == NULL) {
+      fprintf(stderr, "Out of memory!\n");
+   }
+
+   ptr = final->data;
+   for (i = 0; i < (int)(raw->sizeY); i++) {
+      RawImageGetRow(raw, raw->tmpR, i, 0);
+      RawImageGetRow(raw, raw->tmpG, i, 1);
+      RawImageGetRow(raw, raw->tmpB, i, 2);
+      if (raw->sizeZ>3) {
+         RawImageGetRow(raw, raw->tmpA, i, 3);
+      }
+      for (j = 0; j < (int)(raw->sizeX); j++) {
+         *ptr++ = *(raw->tmpR + j);
+         *ptr++ = *(raw->tmpG + j);
+         *ptr++ = *(raw->tmpB + j);
+         if (raw->sizeZ>3) {
+            *ptr++ = *(raw->tmpA + j);
+         }
+      }
+   }
+}
+
+
+static TK_RGBImageRec *tkRGBImageLoad(const char *fileName)
+{
+   rawImageRec *raw;
+   TK_RGBImageRec *final;
+
+   raw = RawImageOpen(fileName);
+   if (!raw) {
+      fprintf(stderr, "File not found\n");
+      return NULL;
+   }
+   final = (TK_RGBImageRec *)malloc(sizeof(TK_RGBImageRec));
+   if (final == NULL) {
+      fprintf(stderr, "Out of memory!\n");
+      return NULL;
+   }
+   final->sizeX = raw->sizeX;
+   final->sizeY = raw->sizeY;
+   final->components = raw->sizeZ;
+   RawImageGetData(raw, final);
+   RawImageClose(raw);
+   return final;
+}
+
+
+static void FreeImage( TK_RGBImageRec *image )
+{
+   free(image->data);
+   free(image);
+}
+
+
+/*
+ * Load an SGI .rgb file and generate a set of 2-D mipmaps from it.
+ * Input:  imageFile - name of .rgb to read
+ *         intFormat - internal texture format to use, or number of components
+ * Return:  GL_TRUE if success, GL_FALSE if error.
+ */
+GLboolean LoadRGBMipmaps( const char *imageFile, GLint intFormat )
+{
+   GLint w, h;
+   return LoadRGBMipmaps2( imageFile, GL_TEXTURE_2D, intFormat, &w, &h );
+}
+
+
+
+GLboolean LoadRGBMipmaps2( const char *imageFile, GLenum target,
+                           GLint intFormat, GLint *width, GLint *height )
+{
+   GLint error;
+   GLenum format;
+   TK_RGBImageRec *image;
+
+   image = tkRGBImageLoad( imageFile );
+   if (!image) {
+      return GL_FALSE;
+   }
+
+   if (image->components==3) {
+      format = GL_RGB;
+   }
+   else if (image->components==4) {
+      format = GL_RGBA;
+   }
+   else {
+      /* not implemented */
+      fprintf(stderr,
+              "Error in LoadRGBMipmaps %d-component images not implemented\n",
+              image->components );
+      return GL_FALSE;
+   }
+
+   error = gluBuild2DMipmaps( target,
+                              intFormat,
+                              image->sizeX, image->sizeY,
+                              format,
+                              GL_UNSIGNED_BYTE,
+                              image->data );
+
+   *width = image->sizeX;
+   *height = image->sizeY;
+
+   FreeImage(image);
+
+   return error ? GL_FALSE : GL_TRUE;
+}
+
+
+
+/*
+ * Load an SGI .rgb file and return a pointer to the image data.
+ * Input:  imageFile - name of .rgb to read
+ * Output:  width - width of image
+ *          height - height of image
+ *          format - format of image (GL_RGB or GL_RGBA)
+ * Return:  pointer to image data or NULL if error
+ */
+GLubyte *LoadRGBImage( const char *imageFile, GLint *width, GLint *height,
+                       GLenum *format )
+{
+   TK_RGBImageRec *image;
+   GLint bytes;
+   GLubyte *buffer;
+
+   image = tkRGBImageLoad( imageFile );
+   if (!image) {
+      return NULL;
+   }
+
+   if (image->components==3) {
+      *format = GL_RGB;
+   }
+   else if (image->components==4) {
+      *format = GL_RGBA;
+   }
+   else {
+      /* not implemented */
+      fprintf(stderr,
+              "Error in LoadRGBImage %d-component images not implemented\n",
+              image->components );
+      return NULL;
+   }
+
+   *width = image->sizeX;
+   *height = image->sizeY;
+
+   bytes = image->sizeX * image->sizeY * image->components;
+   buffer = (GLubyte *) malloc(bytes);
+   if (!buffer)
+      return NULL;
+
+   memcpy( (void *) buffer, (void *) image->data, bytes );
+
+   FreeImage(image);
+
+   return buffer;
+}
+
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/windml/uglaccum.c b/nx-X11/extras/Mesa_6.4.2/progs/windml/uglaccum.c
new file mode 100644
index 000000000..fd7cb3125
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/windml/uglaccum.c
@@ -0,0 +1,250 @@
+
+/* Copyright (c) Mark J. Kilgard, 1994. */
+
+/*
+ * (c) Copyright 1993, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
+ */
+
+/*  Original name: accanti.c
+ *
+ *  Conversion to UGL/Mesa by Stephane Raimbault
+ */
+
+#include <stdio.h>
+#include <math.h>
+
+#include <ugl/ugl.h>
+#include <ugl/uglevent.h>
+#include <ugl/uglinput.h>
+
+#include <GL/uglmesa.h>
+#include <GL/uglglutshapes.h>
+
+#include "../book/jitter.h"
+
+UGL_LOCAL UGL_EVENT_SERVICE_ID eventServiceId;
+UGL_LOCAL UGL_EVENT_Q_ID qId;
+UGL_LOCAL UGL_MESA_CONTEXT umc;
+
+/*  Initialize lighting and other values.
+ */
+UGL_LOCAL void initGL(GLsizei w, GLsizei h)
+    {
+    GLfloat mat_ambient[] = { 1.0, 1.0, 1.0, 1.0 };
+    GLfloat mat_specular[] = { 1.0, 1.0, 1.0, 1.0 };
+    GLfloat light_position[] = { 0.0, 0.0, 10.0, 1.0 };
+    GLfloat lm_ambient[] = { 0.2, 0.2, 0.2, 1.0 };
+
+    glMaterialfv(GL_FRONT, GL_AMBIENT, mat_ambient);
+    glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
+    glMaterialf(GL_FRONT, GL_SHININESS, 50.0);
+    glLightfv(GL_LIGHT0, GL_POSITION, light_position);
+    glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lm_ambient);
+
+    glEnable(GL_LIGHTING);
+    glEnable(GL_LIGHT0);
+    glDepthFunc(GL_LESS);
+    glEnable(GL_DEPTH_TEST);
+    glShadeModel (GL_FLAT);
+
+    glClearColor(0.0, 0.0, 0.0, 0.0);
+    glClearAccum(0.0, 0.0, 0.0, 0.0);
+    
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    if (w <= h)
+	    glOrtho (-2.25, 2.25, -2.25*h/w, 2.25*h/w, -10.0, 10.0);
+    else
+	    glOrtho (-2.25*w/h, 2.25*w/h, -2.25, 2.25, -10.0, 10.0);
+    glMatrixMode(GL_MODELVIEW);
+    }
+
+UGL_LOCAL void displayObjects(void)
+    {
+    GLfloat torus_diffuse[] = { 0.7, 0.7, 0.0, 1.0 };
+    GLfloat cube_diffuse[] = { 0.0, 0.7, 0.7, 1.0 };
+    GLfloat sphere_diffuse[] = { 0.7, 0.0, 0.7, 1.0 };
+    GLfloat octa_diffuse[] = { 0.7, 0.4, 0.4, 1.0 };
+
+    glPushMatrix ();
+    glRotatef (30.0, 1.0, 0.0, 0.0);
+
+    glPushMatrix ();
+    glTranslatef (-0.80, 0.35, 0.0);
+    glRotatef (100.0, 1.0, 0.0, 0.0);
+    glMaterialfv(GL_FRONT, GL_DIFFUSE, torus_diffuse);
+    glutSolidTorus (0.275, 0.85, 16, 16);
+    glPopMatrix ();
+
+    glPushMatrix ();
+    glTranslatef (-0.75, -0.50, 0.0);
+    glRotatef (45.0, 0.0, 0.0, 1.0);
+    glRotatef (45.0, 1.0, 0.0, 0.0);
+    glMaterialfv(GL_FRONT, GL_DIFFUSE, cube_diffuse);
+    glutSolidCube (1.5);
+    glPopMatrix ();
+
+    glPushMatrix ();
+    glTranslatef (0.75, 0.60, 0.0);
+    glRotatef (30.0, 1.0, 0.0, 0.0);
+    glMaterialfv(GL_FRONT, GL_DIFFUSE, sphere_diffuse);
+    glutSolidSphere (1.0, 16, 16);
+    glPopMatrix ();
+
+    glPushMatrix ();
+    glTranslatef (0.70, -0.90, 0.25);
+    glMaterialfv(GL_FRONT, GL_DIFFUSE, octa_diffuse);
+    glutSolidOctahedron ();
+    glPopMatrix ();
+
+    glPopMatrix ();
+    }
+
+#define ACSIZE	8
+
+UGL_LOCAL void drawGL(void)
+    {
+    GLint viewport[4];
+    int jitter;
+
+    glGetIntegerv (GL_VIEWPORT, viewport);
+
+    glClear(GL_ACCUM_BUFFER_BIT);
+    for (jitter = 0; jitter < ACSIZE; jitter++)
+	{
+	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+	glPushMatrix ();
+/*	Note that 4.5 is the distance in world space between
+ *	left and right and bottom and top.
+ *	This formula converts fractional pixel movement to
+ *	world coordinates.
+ */
+	glTranslatef (j8[jitter].x*4.5/viewport[2],
+		      j8[jitter].y*4.5/viewport[3], 0.0);
+	displayObjects ();
+	glPopMatrix ();
+	glAccum(GL_ACCUM, 1.0/ACSIZE);
+	}
+    glAccum (GL_RETURN, 1.0);
+    glFlush();
+
+    uglMesaSwapBuffers();
+    }
+
+UGL_LOCAL int getEvent(void)
+    {
+    UGL_EVENT event;
+    UGL_STATUS status;
+    int retVal = 0;
+
+    status = uglEventGet (qId, &event, sizeof (event), UGL_NO_WAIT);
+
+    while (status != UGL_STATUS_Q_EMPTY)
+        {
+	UGL_INPUT_EVENT * pInputEvent = (UGL_INPUT_EVENT *)&event;
+	
+	if (pInputEvent->modifiers & UGL_KEYBOARD_KEYDOWN)
+	    retVal = 1;
+
+	status = uglEventGet (qId, &event, sizeof (event), UGL_NO_WAIT);
+        }
+ 
+    return(retVal);
+    }
+
+void windMLAccum (UGL_BOOL windMLMode);
+
+void uglaccum (void)
+    {
+    taskSpawn("tAccum", 210, VX_FP_TASK, 100000,
+	      (FUNCPTR)windMLAccum,UGL_FALSE,1,2,3,4,5,6,7,8,9);
+    }
+
+void windMLAccum (UGL_BOOL windMLMode)
+    {
+    UGL_INPUT_DEVICE_ID keyboardDevId;
+    GLsizei width, height;
+    
+    uglInitialize();
+    
+    uglDriverFind (UGL_KEYBOARD_TYPE, 0, (UGL_UINT32 *)&keyboardDevId);
+    
+    uglDriverFind (UGL_EVENT_SERVICE_TYPE, 0, (UGL_UINT32 *)&eventServiceId);
+	    
+    qId = uglEventQCreate (eventServiceId, 100);
+
+    if (windMLMode)
+        umc = uglMesaCreateNewContextExt(UGL_MESA_DOUBLE
+					 | UGL_MESA_WINDML_EXCLUSIVE,
+					 16,
+					 0,
+					 8,8,8,0,
+					 NULL);
+    else
+	umc = uglMesaCreateNewContextExt(UGL_MESA_DOUBLE,
+					 16,
+					 0,
+					 8,8,8,0,
+					 NULL);
+    
+    if (umc == NULL)
+	{
+	uglDeinitialize();
+	return;
+	}
+
+    /* Fullscreen */
+
+    uglMesaMakeCurrentContext(umc, 0, 0,
+			      UGL_MESA_FULLSCREEN_WIDTH,
+			      UGL_MESA_FULLSCREEN_HEIGHT);
+
+    uglMesaGetIntegerv(UGL_MESA_WIDTH, &width);
+    uglMesaGetIntegerv(UGL_MESA_HEIGHT, &height);
+
+    initGL(width, height);
+
+    drawGL();
+    
+    while (!getEvent());
+    
+    uglEventQDestroy (eventServiceId, qId);
+    
+    uglMesaDestroyContext();
+    uglDeinitialize();
+    
+    return;
+    }
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/windml/uglalldemos.c b/nx-X11/extras/Mesa_6.4.2/progs/windml/uglalldemos.c
new file mode 100644
index 000000000..283e48707
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/windml/uglalldemos.c
@@ -0,0 +1,198 @@
+
+/* uglalldemos.c - WindML/Mesa example program */
+
+/* Copyright (C) 2001 by Wind River Systems, Inc */
+
+/*
+ * Mesa 3-D graphics library
+ * Version:  3.5
+ *
+ * The MIT License
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+/*
+modification history
+--------------------
+02a,29aug01,sra  WindML mode added
+01a,17jul01,sra  written
+*/
+
+/*
+DESCRIPTION
+Show all the UGL/Mesa demos
+*/
+
+#include <stdio.h>
+#include <vxWorks.h>
+#include <taskLib.h>
+#include <ugl/ugl.h>
+#include <ugl/uglinput.h>
+#include <ugl/uglevent.h>
+#include <ugl/uglfont.h>
+
+#define BLACK 0
+#define RED   1
+
+struct _colorStruct
+    {
+    UGL_RGB rgbColor;
+    UGL_COLOR uglColor;
+    }
+colorTable[] =
+    {
+    { UGL_MAKE_RGB(0, 0, 0), 0},
+    { UGL_MAKE_RGB(255, 0, 0), 0},
+    };
+
+void windMLPoint (UGL_BOOL windMLMode);
+void windMLLine (UGL_BOOL windMLMode);
+void windMLFlip (UGL_BOOL windMLMode);
+void windMLCube (UGL_BOOL windMLMode);
+void windMLBounce (UGL_BOOL windMLMode);
+void windMLGears (UGL_BOOL windMLMode);
+void windMLIcoTorus (UGL_BOOL windMLMode);
+void windMLOlympic (UGL_BOOL windMLMode);
+void windMLTexCube (UGL_BOOL windMLMode);
+void windMLTexCyl (UGL_BOOL windMLMode);
+void windMLTeapot (UGL_BOOL windMLMode);
+void windMLStencil (UGL_BOOL windMLMode);
+void windMLDrawPix (UGL_BOOL windMLMode);
+void windMLAccum (UGL_BOOL windMLMode);
+void windMLAllDemos (void);
+
+void uglalldemos (void)
+    {
+    taskSpawn("tAllDemos", 210, VX_FP_TASK, 200000,
+	      (FUNCPTR)windMLAllDemos, 0,1,2,3,4,5,6,7,8,9);
+    }
+
+void windMLAllDemos(void)
+    {
+    UGL_BOOL windMLFlag = UGL_FALSE;
+    UGL_FB_INFO fbInfo;
+    UGL_EVENT event;
+    UGL_EVENT_SERVICE_ID eventServiceId;
+    UGL_EVENT_Q_ID qId;
+    UGL_INPUT_EVENT * pInputEvent;
+    UGL_INPUT_DEVICE_ID keyboardDevId;
+    UGL_DEVICE_ID devId;
+    UGL_GC_ID gc;
+    UGL_FONT_ID fontId;
+    UGL_FONT_DEF fontDef;
+    UGL_FONT_DRIVER_ID fontDrvId;
+    UGL_ORD textOrigin = UGL_FONT_TEXT_UPPER_LEFT;
+    int displayHeight, displayWidth;
+    int textWidth, textHeight;
+    static UGL_CHAR * message =
+	"Do you want to use WindML exclusively ? (y/n) ";
+    
+    uglInitialize();
+
+    uglDriverFind (UGL_DISPLAY_TYPE, 0, (UGL_UINT32 *)&devId);
+    uglDriverFind (UGL_KEYBOARD_TYPE, 0, (UGL_UINT32 *)&keyboardDevId);
+    uglDriverFind (UGL_EVENT_SERVICE_TYPE, 0, (UGL_UINT32 *)&eventServiceId);
+    qId = uglEventQCreate (eventServiceId, 100);
+    
+    gc = uglGcCreate(devId);
+
+    uglDriverFind (UGL_FONT_ENGINE_TYPE, 0, (UGL_UINT32 *)&fontDrvId);
+    uglFontDriverInfo(fontDrvId, UGL_FONT_TEXT_ORIGIN, &textOrigin);
+
+    uglFontFindString(fontDrvId, "familyName=Helvetica; pixelSize = 18",
+		      &fontDef);
+
+    if ((fontId = uglFontCreate(fontDrvId, &fontDef)) == UGL_NULL)
+        {
+ 	printf("Font not found. Exiting.\n");
+	return;       
+        }
+
+    uglInfo(devId, UGL_FB_INFO_REQ, &fbInfo);
+    displayWidth = fbInfo.width;
+    displayHeight = fbInfo.height;
+
+    uglColorAlloc (devId, &colorTable[BLACK].rgbColor, UGL_NULL, 
+                   &colorTable[BLACK].uglColor, 1);
+    uglColorAlloc(devId, &colorTable[RED].rgbColor, UGL_NULL,
+		  &colorTable[RED].uglColor, 1);
+    
+    uglBackgroundColorSet(gc, colorTable[BLACK].uglColor);
+    uglForegroundColorSet(gc, colorTable[RED].uglColor);
+    uglFontSet(gc, fontId);
+    uglTextSizeGet(fontId, &textWidth, &textHeight, -1, message);
+    uglTextDraw(gc, (displayWidth - textWidth) / 2, 
+		(displayHeight - textHeight) / 2  - textHeight, -1, message);
+/*    flushQ();
+ */   
+    if (uglEventGet (qId, &event, sizeof (event), UGL_WAIT_FOREVER)
+	!= UGL_STATUS_Q_EMPTY)
+	{
+	pInputEvent = (UGL_INPUT_EVENT *)&event;
+	    
+	if (pInputEvent->header.type == UGL_EVENT_TYPE_KEYBOARD &&
+	    pInputEvent->modifiers & UGL_KEYBOARD_KEYDOWN)
+	    {
+	    switch(pInputEvent->type.keyboard.key)
+		{
+		case 'Y':
+		case 'y':
+		    windMLFlag = UGL_TRUE;
+		    break;
+		default:
+		    windMLFlag = UGL_FALSE;
+		}
+	    }
+	}
+    
+    uglFontDestroy (fontId);
+    uglGcDestroy (gc);
+    uglEventQDestroy (eventServiceId, qId);
+    uglDeinitialize();
+		   
+    windMLPoint(windMLFlag);
+
+    windMLLine(windMLFlag);
+    
+    windMLFlip(windMLFlag);
+
+    windMLCube(windMLFlag);
+
+    windMLBounce(windMLFlag);
+
+    windMLGears(windMLFlag);
+
+    windMLIcoTorus(windMLFlag);
+
+    windMLOlympic(windMLFlag);
+
+    windMLTexCube(windMLFlag);
+    
+    windMLTexCyl(windMLFlag);
+
+    windMLTeapot(windMLFlag);
+
+    windMLStencil(windMLFlag);
+
+    windMLDrawPix(windMLFlag);
+
+    windMLAccum(windMLFlag);
+
+    return;
+    }
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/windml/uglbounce.c b/nx-X11/extras/Mesa_6.4.2/progs/windml/uglbounce.c
new file mode 100644
index 000000000..287015a41
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/windml/uglbounce.c
@@ -0,0 +1,272 @@
+/*
+ * Bouncing ball demo.
+ *
+ * This program is in the public domain
+ *
+ * Brian Paul
+ *
+ * Conversion to GLUT by Mark J. Kilgard
+ *
+ * Conversion to UGL/Mesa by Stephane Raimbault
+ */
+
+#include <math.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <ugl/ugl.h>
+#include <ugl/uglevent.h>
+#include <ugl/uglinput.h>
+
+#include <GL/uglmesa.h>
+
+#define COS(X)   cos( (X) * 3.14159/180.0 )
+#define SIN(X)   sin( (X) * 3.14159/180.0 )
+
+#define RED 1
+#define WHITE 2
+#define CYAN 3
+
+UGL_LOCAL UGL_EVENT_SERVICE_ID eventServiceId;
+UGL_LOCAL UGL_EVENT_Q_ID qId;
+UGL_LOCAL UGL_MESA_CONTEXT umc;
+
+UGL_LOCAL GLuint Ball;
+UGL_LOCAL GLfloat Zrot, Zstep;
+UGL_LOCAL GLfloat Xpos, Ypos;
+UGL_LOCAL GLfloat Xvel, Yvel;
+UGL_LOCAL GLfloat Xmin, Xmax;
+UGL_LOCAL GLfloat Ymin;
+/* UGL_LOCAL GLfloat Ymax = 4.0; */
+UGL_LOCAL GLfloat G;
+
+UGL_LOCAL GLuint make_ball(void)
+    {
+    GLuint list;
+    GLfloat a, b;
+    GLfloat da = 18.0, db = 18.0;
+    GLfloat radius = 1.0;
+    GLuint color;
+    GLfloat x, y, z;
+    
+    list = glGenLists(1);
+    
+    glNewList(list, GL_COMPILE);
+    
+    color = 0;
+    for (a = -90.0; a + da <= 90.0; a += da)
+	{
+	glBegin(GL_QUAD_STRIP);
+	for (b = 0.0; b <= 360.0; b += db)
+	    {
+	    if (color)
+		{
+		glIndexi(RED);
+		glColor3f(1, 0, 0);
+		}
+	    else
+		{
+		glIndexi(WHITE);
+		glColor3f(1, 1, 1);
+		}
+
+	    x = radius * COS(b) * COS(a);
+	    y = radius * SIN(b) * COS(a);
+	    z = radius * SIN(a);
+	    glVertex3f(x, y, z);
+	    
+	    x = radius * COS(b) * COS(a + da);
+	    y = radius * SIN(b) * COS(a + da);
+	    z = radius * SIN(a + da);
+	    glVertex3f(x, y, z);
+	    
+	    color = 1 - color;
+	    }
+	glEnd();
+	
+	}
+    
+    glEndList();
+    
+    return list;
+    }
+
+UGL_LOCAL void initGL(GLsizei width, GLsizei height)
+    {
+    float aspect = (float) width / (float) height;
+    glViewport(0, 0, (GLint) width, (GLint) height);
+
+    uglMesaSetColor(RED, 1.0, 0.0, 0.0);
+    uglMesaSetColor(WHITE, 1.0, 1.0, 1.0);
+    uglMesaSetColor(CYAN, 0.0, 1.0, 1.0);
+    
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glOrtho(-6.0 * aspect, 6.0 * aspect, -6.0, 6.0, -6.0, 6.0);
+    glMatrixMode(GL_MODELVIEW);
+
+    }
+
+UGL_LOCAL void drawGL(void)
+    {
+    GLint i;
+    static float vel0 = -100.0;
+    
+    glClear(GL_COLOR_BUFFER_BIT);
+    
+    glIndexi(CYAN);
+    glColor3f(0, 1, 1);
+    glBegin(GL_LINES);
+    for (i = -5; i <= 5; i++)
+	{
+	glVertex2i(i, -5);
+	glVertex2i(i, 5);
+	}
+    for (i = -5; i <= 5; i++)
+	{
+	glVertex2i(-5, i);
+	glVertex2i(5, i);
+	}
+    for (i = -5; i <= 5; i++)
+	{
+	glVertex2i(i, -5);
+	glVertex2f(i * 1.15, -5.9);
+	}
+    glVertex2f(-5.3, -5.35);
+    glVertex2f(5.3, -5.35);
+    glVertex2f(-5.75, -5.9);
+    glVertex2f(5.75, -5.9);
+    glEnd();
+    
+    glPushMatrix();
+    glTranslatef(Xpos, Ypos, 0.0);
+    glScalef(2.0, 2.0, 2.0);
+    glRotatef(8.0, 0.0, 0.0, 1.0);
+    glRotatef(90.0, 1.0, 0.0, 0.0);
+    glRotatef(Zrot, 0.0, 0.0, 1.0);
+    
+    glCallList(Ball);
+    
+    glPopMatrix();
+
+    glFlush();
+    
+    uglMesaSwapBuffers();
+    
+    Zrot += Zstep;
+    
+    Xpos += Xvel;
+    if (Xpos >= Xmax)
+	{
+	Xpos = Xmax;
+	Xvel = -Xvel;
+	Zstep = -Zstep;
+	}
+    if (Xpos <= Xmin)
+	{
+	Xpos = Xmin;
+	Xvel = -Xvel;
+	Zstep = -Zstep;
+	}
+    Ypos += Yvel;
+    Yvel += G;
+    if (Ypos < Ymin)
+	{
+	Ypos = Ymin;
+	if (vel0 == -100.0)
+	    vel0 = fabs(Yvel);
+	Yvel = vel0;
+	}
+    }
+
+UGL_LOCAL int getEvent(void)
+    {
+    UGL_EVENT event;
+    UGL_STATUS status;
+    int retVal = 0;
+
+    status = uglEventGet (qId, &event, sizeof (event), UGL_NO_WAIT);
+
+    while (status != UGL_STATUS_Q_EMPTY)
+        {
+	UGL_INPUT_EVENT * pInputEvent = (UGL_INPUT_EVENT *)&event;
+	
+	if (pInputEvent->modifiers & UGL_KEYBOARD_KEYDOWN)
+	    retVal = 1;
+
+	status = uglEventGet (qId, &event, sizeof (event), UGL_NO_WAIT);
+        }
+ 
+    return(retVal);
+    }
+
+void windMLBounce (UGL_BOOL windMLMode);
+
+void uglbounce (void)
+    {
+    taskSpawn("tBounce", 210, VX_FP_TASK, 100000, (FUNCPTR)windMLBounce,
+              UGL_FALSE,1,2,3,4,5,6,7,8,9);
+    }
+
+void windMLBounce(UGL_BOOL windMLMode)
+    {
+    GLsizei width, height;
+    UGL_INPUT_DEVICE_ID keyboardDevId;
+
+    Zrot = 0.0;
+    Zstep = 6.0;
+    Xpos = 0.0;
+    Ypos = 1.0;
+    Xvel = 0.2;
+    Yvel = 0.0;
+    Xmin = -4.0;
+    Xmax = 4.0;
+    Ymin = -3.8;
+    G = -0.1;
+
+    uglInitialize();
+   
+    uglDriverFind (UGL_KEYBOARD_TYPE, 0, (UGL_UINT32 *)&keyboardDevId);
+    
+    uglDriverFind (UGL_EVENT_SERVICE_TYPE, 0, (UGL_UINT32 *)&eventServiceId);
+   
+    qId = uglEventQCreate (eventServiceId, 100);
+
+    if (windMLMode)
+       umc = uglMesaCreateNewContext(UGL_MESA_DOUBLE
+				     | UGL_MESA_WINDML_EXCLUSIVE, NULL);
+    else
+       umc = uglMesaCreateNewContext(UGL_MESA_DOUBLE, NULL);
+    
+    if (umc == NULL)
+	{
+	uglDeinitialize();
+	return;
+	}
+
+    /* Fullscreen */
+
+    uglMesaMakeCurrentContext(umc, 0, 0, UGL_MESA_FULLSCREEN_WIDTH,
+			      UGL_MESA_FULLSCREEN_HEIGHT);
+    
+    Ball = make_ball();
+    glCullFace(GL_BACK);
+    glEnable(GL_CULL_FACE);
+    glDisable(GL_DITHER);
+    glShadeModel(GL_FLAT);
+    
+    uglMesaGetIntegerv(UGL_MESA_WIDTH, &width);
+    uglMesaGetIntegerv(UGL_MESA_HEIGHT, &height);
+    
+    initGL(width, height);
+    
+    while(!getEvent())
+	drawGL();
+
+    uglEventQDestroy (eventServiceId, qId);
+
+    uglMesaDestroyContext();
+    uglDeinitialize ();
+    
+    return;
+    }
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/windml/uglcube.c b/nx-X11/extras/Mesa_6.4.2/progs/windml/uglcube.c
new file mode 100644
index 000000000..e701d8db4
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/windml/uglcube.c
@@ -0,0 +1,257 @@
+/* uglcube.c - WindML/Mesa example program */
+
+/* Copyright (C) 2001 by Wind River Systems, Inc */
+
+/*
+ * Mesa 3-D graphics library
+ * Version:  3.5
+ *
+ * The MIT License
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+/*
+DESCRIPTION
+Draw a smooth cube.
+*/
+
+#include <stdio.h>
+#include <math.h>
+
+#include <ugl/uglevent.h>
+#include <ugl/uglinput.h>
+
+#include <GL/uglmesa.h>
+#include <GL/glu.h>
+
+UGL_LOCAL UGL_EVENT_SERVICE_ID eventServiceId;
+UGL_LOCAL UGL_EVENT_Q_ID qId;
+UGL_LOCAL UGL_MESA_CONTEXT umc;
+UGL_LOCAL GLfloat rotx;
+UGL_LOCAL GLfloat roty;
+UGL_LOCAL GLuint theCube;
+
+UGL_LOCAL void cube()
+    {
+
+    /* Front */ 
+    glBegin(GL_QUADS);
+    glColor3f(0.0f, 0.0f, 1.0f);
+    glVertex3f(-1.0f, 1.0f, 1.0f);
+    glColor3f(0.0f, 1.0f, 0.0f);
+    glVertex3f(1.0f, 1.0f, 1.0f);
+    glColor3f(1.0f, 0.0f, 0.0f);
+    glVertex3f(1.0f, -1.0f, 1.0f);
+    glColor3f(1.0f, 1.0f, 0.0f);
+    glVertex3f(-1.0f, -1.0f, 1.0f);
+    glEnd();
+    
+	    
+    /* Back */ 
+    glBegin(GL_QUADS);
+    glColor3f(0.0f, 0.0f, 1.0f);
+    glVertex3f(-1.0f, 1.0f, -1.0f);
+    glColor3f(0.0f, 1.0f, 0.0f);
+    glVertex3f(1.0f, 1.0f, -1.0f);
+    glColor3f(1.0f, 0.0f, 0.0f);
+    glVertex3f(1.0f, -1.0f, -1.0f);
+    glColor3f(1.0f, 1.0f, 0.0f);
+    glVertex3f(-1.0f, -1.0f, -1.0f);
+    glEnd();
+    
+    
+    /* Right */ 
+    glBegin(GL_QUADS);
+    glColor3f(0.0f, 1.0f, 0.0f);
+    glVertex3f(1.0f, 1.0f, 1.0f);
+    glColor3f(0.0f, 1.0f, 0.0f);
+    glVertex3f(1.0f, 1.0f, -1.0f);
+    glColor3f(1.0f, 0.0f, 0.0f);
+    glVertex3f(1.0f, -1.0f, -1.0f);
+    glColor3f(1.0f, 0.0f, 0.0f);
+    glVertex3f(1.0f, -1.0f, 1.0f);
+    glEnd();
+    
+    /* Left */ 
+    glBegin(GL_QUADS);
+    glColor3f(0.0f, 0.0f, 1.0f);
+    glVertex3f(-1.0f, 1.0f, 1.0f);
+    glColor3f(0.0f, 0.0f, 1.0f);
+    glVertex3f(-1.0f, 1.0f, -1.0f);
+    glColor3f(1.0f, 1.0f, 0.0f);
+    glVertex3f(-1.0f, -1.0f, -1.0f);
+    glColor3f(1.0f, 1.0f, 0.0f);
+    glVertex3f(-1.0f, -1.0f, 1.0f);
+    glEnd();
+    
+    /* Top */ 
+    glBegin(GL_QUADS);
+    glColor3f(0.0f, 0.0f, 1.0f);
+    glVertex3f(-1.0f, 1.0f, -1.0f);
+    glColor3f(0.0f, 1.0f, 0.0f);
+    glVertex3f(1.0f, 1.0f, -1.0f);
+    glColor3f(0.0f, 1.0f, 0.0f);
+    glVertex3f(1.0f, 1.0f, 1.0f);
+    glColor3f(0.0f, 0.0f, 1.0f);
+    glVertex3f(-1.0f, 1.0f, 1.0f);
+    glEnd();
+    
+	    
+    /* Bottom */ 
+    glBegin(GL_QUADS);
+    glColor3f(1.0f, 1.0f, 0.0f);
+    glVertex3f(-1.0f, -1.0f, -1.0f);
+    glColor3f(1.0f, 0.0f, 0.0f);
+    glVertex3f(1.0f, -1.0f, -1.0f);
+    glColor3f(1.0f, 0.0f, 0.0f);
+    glVertex3f(1.0f, -1.0f, 1.0f);
+    glColor3f(1.0f, 1.0f, 0.0f);
+    glVertex3f(-1.0f, -1.0f, 1.0f);
+    glEnd();	
+    }
+
+UGL_LOCAL void initGL
+    (
+    int Width,
+    int Height
+    ) 
+    {
+    glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
+    glDepthFunc(GL_LESS);
+    glEnable(GL_DEPTH_TEST);
+    glShadeModel(GL_SMOOTH);
+
+    theCube = glGenLists(1);
+    glNewList(theCube, GL_COMPILE);
+    cube();
+    glEndList();
+    
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    gluPerspective(45.0f, (GLfloat) Width / (GLfloat) Height, 0.1f, 100.0f);
+    glMatrixMode(GL_MODELVIEW);
+    glLoadIdentity();
+    glTranslatef(0.0f, 0.0f, -6.0f);
+    } 
+
+
+/* The main drawing function. */ 
+
+UGL_LOCAL void drawGL() 
+    {
+
+    /* Clear The Screen And The Depth Buffer */
+
+    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+    /* Rotate the cube */
+    
+    glRotatef(rotx, 1.0f, 0.0f, 0.0f);
+    glRotatef(roty, 0.0f, 1.0f, 0.0f);
+    
+    glCallList(theCube);    
+
+    glFlush();
+
+    uglMesaSwapBuffers();
+    }
+
+
+/* The function called whenever a key is pressed. */ 
+
+UGL_LOCAL int getEvent(void)
+    {
+    UGL_EVENT event;
+    UGL_STATUS status;
+    int retVal = 0;
+    
+    status = uglEventGet (qId, &event, sizeof (event), UGL_NO_WAIT);
+
+    while (status != UGL_STATUS_Q_EMPTY)
+        {
+	UGL_INPUT_EVENT * pInputEvent = (UGL_INPUT_EVENT *)&event;
+	
+	if (pInputEvent->modifiers & UGL_KEYBOARD_KEYDOWN)
+	    retVal = 1;
+
+	status = uglEventGet (qId, &event, sizeof (event), UGL_NO_WAIT);
+        }
+ 
+    return(retVal);
+    }
+
+void windMLCube (UGL_BOOL windMLMode);
+
+void uglcube (void)
+    {
+    taskSpawn("tCube", 210, VX_FP_TASK, 100000, (FUNCPTR)windMLCube,
+              UGL_FALSE,1,2,3,4,5,6,7,8,9);
+    }
+
+void windMLCube (UGL_BOOL windMLMode)
+    {    
+    GLsizei width, height;
+    UGL_INPUT_DEVICE_ID keyboardDevId;
+
+    rotx = 2.5f;
+    roty = 1.0f;
+    
+    uglInitialize();
+    
+    uglDriverFind (UGL_KEYBOARD_TYPE, 0, (UGL_UINT32 *)&keyboardDevId);
+    
+    if (uglDriverFind (UGL_EVENT_SERVICE_TYPE, 0,
+                       (UGL_UINT32 *)&eventServiceId) == UGL_STATUS_OK)
+        {
+        qId = uglEventQCreate (eventServiceId, 100);
+        }
+    else 
+        {
+        eventServiceId = UGL_NULL;
+        }
+
+    if (windMLMode)
+       umc = uglMesaCreateNewContext(UGL_MESA_DOUBLE
+				     | UGL_MESA_WINDML_EXCLUSIVE, NULL);
+    else
+       umc = uglMesaCreateNewContext(UGL_MESA_DOUBLE, NULL);
+
+    /* Fullscreen */
+
+    uglMesaMakeCurrentContext(umc, 0, 0, UGL_MESA_FULLSCREEN_WIDTH,
+			      UGL_MESA_FULLSCREEN_HEIGHT);
+    
+    uglMesaGetIntegerv(UGL_MESA_WIDTH, &width);
+    uglMesaGetIntegerv(UGL_MESA_HEIGHT, &height);
+
+    /* Initialize our window. */ 
+
+    initGL(width, height);
+
+    while (!getEvent())
+	drawGL();
+    
+    if (eventServiceId != UGL_NULL)
+	uglEventQDestroy (eventServiceId, qId);
+    
+    uglMesaDestroyContext();
+    uglDeinitialize();
+
+    return;
+    }
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/windml/ugldrawpix.c b/nx-X11/extras/Mesa_6.4.2/progs/windml/ugldrawpix.c
new file mode 100644
index 000000000..b33be2c6a
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/windml/ugldrawpix.c
@@ -0,0 +1,438 @@
+/*
+ * glDrawPixels demo/test/benchmark
+ * 
+ * Brian Paul   September 25, 1997  This file is in the public domain.
+ *
+ * Conversion to UGL/Mesa by Stephane Raimbault july, 2001
+ */
+
+/*
+ * $Log: ugldrawpix.c,v $
+ * Revision 1.2  2001/09/10 19:21:13  brianp
+ * WindML updates (Stephane Raimbault)
+ *
+ * Revision 1.1  2001/08/20 16:07:11  brianp
+ * WindML driver (Stephane Raimbault)
+ *
+ * Revision 1.5  2000/12/24 22:53:54  pesco
+ * * demos/Makefile.am (INCLUDES): Added -I$(top_srcdir)/util.
+ * * demos/Makefile.X11, demos/Makefile.BeOS-R4, demos/Makefile.cygnus:
+ * Essentially the same.
+ * Program files updated to include "readtex.c", not "../util/readtex.c".
+ * * demos/reflect.c: Likewise for "showbuffer.c".
+ *
+ *
+ * * Makefile.am (EXTRA_DIST): Added top-level regular files.
+ *
+ * * include/GL/Makefile.am (INC_X11): Added glxext.h.
+ *
+ *
+ * * src/GGI/include/ggi/mesa/Makefile.am (EXTRA_HEADERS): Include
+ * Mesa GGI headers in dist even if HAVE_GGI is not given.
+ *
+ * * configure.in: Look for GLUT and demo source dirs in $srcdir.
+ *
+ * * src/swrast/Makefile.am (libMesaSwrast_la_SOURCES): Set to *.[ch].
+ * More source list updates in various Makefile.am's.
+ *
+ * * Makefile.am (dist-hook): Remove CVS directory from distribution.
+ * (DIST_SUBDIRS): List all possible subdirs here.
+ * (SUBDIRS): Only list subdirs selected for build again.
+ * The above two applied to all subdir Makefile.am's also.
+ *
+ * Revision 1.4  2000/09/08 21:45:21  brianp
+ * added dither key option
+ *
+ * Revision 1.3  1999/10/28 18:23:29  brianp
+ * minor changes to Usage() function
+ *
+ * Revision 1.2  1999/10/21 22:13:58  brianp
+ * added f key to toggle front/back drawing
+ *
+ * Revision 1.1.1.1  1999/08/19 00:55:40  jtg
+ * Imported sources
+ *
+ * Revision 3.3  1999/03/28 18:18:33  brianp
+ * minor clean-up
+ *
+ * Revision 3.2  1998/11/05 04:34:04  brianp
+ * moved image files to ../images/ directory
+ *
+ * Revision 3.1  1998/02/22 16:43:17  brianp
+ * added a few casts to silence compiler warnings
+ *
+ * Revision 3.0  1998/02/14 18:42:29  brianp
+ * initial rev
+ *
+ */
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <tickLib.h>
+
+#include <ugl/ugl.h>
+#include <ugl/uglucode.h>
+#include <ugl/uglevent.h>
+#include <ugl/uglinput.h>
+
+#include <GL/uglmesa.h>
+#include <GL/glu.h>
+
+#include "../util/readtex.h"
+
+#define IMAGE_FILE "Mesa/images/wrs_logo.rgb"
+
+UGL_LOCAL UGL_EVENT_SERVICE_ID eventServiceId;
+UGL_LOCAL UGL_EVENT_Q_ID qId;
+UGL_LOCAL volatile UGL_BOOL stopWex;
+UGL_LOCAL UGL_MESA_CONTEXT umc;
+
+UGL_LOCAL int ImgWidth, ImgHeight;
+UGL_LOCAL GLenum ImgFormat;
+UGL_LOCAL GLubyte *Image;
+
+UGL_LOCAL int Xpos, Ypos;
+UGL_LOCAL int SkipPixels, SkipRows;
+UGL_LOCAL int DrawWidth, DrawHeight;
+UGL_LOCAL float Xzoom, Yzoom;
+UGL_LOCAL GLboolean Scissor;
+UGL_LOCAL GLboolean DrawFront;
+UGL_LOCAL GLboolean Dither;
+
+UGL_LOCAL void cleanUp (void);
+
+UGL_LOCAL void reset(void)
+    {
+    Xpos = Ypos = 20;
+    DrawWidth = ImgWidth;
+    DrawHeight = ImgHeight;
+    SkipPixels = SkipRows = 0;
+    Scissor = GL_FALSE;
+    Xzoom = Yzoom = 1.0;
+    }
+
+UGL_LOCAL void initGL(GLboolean ciMode, GLsizei width, GLsizei height)
+    {
+    printf("GL_VERSION = %s\n", (char *) glGetString(GL_VERSION));
+    printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
+    printf("GL_VENDOR = %s\n", (char *) glGetString(GL_VENDOR));
+    
+    Image = LoadRGBImage(IMAGE_FILE, &ImgWidth, &ImgHeight, &ImgFormat);
+    if (!Image)
+	{
+	printf("Couldn't read %s\n", IMAGE_FILE);
+	cleanUp();
+	exit(1);
+	}
+    
+    glScissor(width/4, height/4, width/2, height/2);
+
+    if (ciMode)
+	{
+	/* Convert RGB image to grayscale */
+	GLubyte *indexImage = malloc( ImgWidth * ImgHeight );
+	GLint i;
+	for (i=0; i<ImgWidth*ImgHeight; i++)
+	    {
+	    int gray = Image[i*3] + Image[i*3+1] + Image[i*3+2];
+	    indexImage[i] = gray / 3;
+	    }
+	free(Image);
+	Image = indexImage;
+	ImgFormat = GL_COLOR_INDEX;
+
+	for (i=0;i<255;i++)
+	    {
+	    float g = i / 255.0;
+	    uglMesaSetColor(i, g, g, g);
+	    }
+	}
+    
+    printf("Loaded %d by %d image\n", ImgWidth, ImgHeight );
+
+    glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+    glPixelStorei(GL_UNPACK_ROW_LENGTH, ImgWidth);
+
+    reset();
+    
+    glViewport( 0, 0, width, height );
+    glMatrixMode( GL_PROJECTION );
+    glLoadIdentity();
+    glOrtho( 0.0, width, 0.0, height, -1.0, 1.0 );
+    glMatrixMode( GL_MODELVIEW );
+    glLoadIdentity();   
+    }
+
+UGL_LOCAL void drawGL(void)
+    {
+    glClear(GL_COLOR_BUFFER_BIT);
+
+    /* This allows negative raster positions: */
+    glRasterPos2i(0, 0);
+    glBitmap(0, 0, 0, 0, Xpos, Ypos, NULL);
+
+    glPixelStorei(GL_UNPACK_SKIP_PIXELS, SkipPixels);
+    glPixelStorei(GL_UNPACK_SKIP_ROWS, SkipRows);
+
+    glPixelZoom( Xzoom, Yzoom );
+
+    if (Scissor)
+	    glEnable(GL_SCISSOR_TEST);
+
+    glDrawPixels(DrawWidth, DrawHeight, ImgFormat, GL_UNSIGNED_BYTE, Image);
+
+    glDisable(GL_SCISSOR_TEST);
+
+    uglMesaSwapBuffers();
+    }
+
+
+UGL_LOCAL void benchmark( void )
+    {
+    int startTick, endTick, ticksBySec;
+    int draws;
+    double seconds, pixelsPerSecond;
+
+    printf("Benchmarking (4 sec)...\n");
+
+    /* GL set-up */
+    glPixelStorei(GL_UNPACK_SKIP_PIXELS, SkipPixels);
+    glPixelStorei(GL_UNPACK_SKIP_ROWS, SkipRows);
+    glPixelZoom( Xzoom, Yzoom );
+    if (Scissor)
+	    glEnable(GL_SCISSOR_TEST);
+
+    if (DrawFront)
+	    glDrawBuffer(GL_FRONT);
+    else
+	    glDrawBuffer(GL_BACK);
+
+    /* Run timing test */
+    draws = 0;
+
+    ticksBySec = sysClkRateGet ();
+    startTick = tickGet();
+    
+    do {
+       glDrawPixels(DrawWidth, DrawHeight, ImgFormat, GL_UNSIGNED_BYTE, Image);
+       draws++;
+       endTick = tickGet ();
+    } while ((endTick - startTick)/ticksBySec < 4);   /* 4 seconds */
+
+    /* GL clean-up */
+    glDisable(GL_SCISSOR_TEST);
+
+    /* Results */
+    seconds = (endTick - startTick)/ticksBySec;
+    pixelsPerSecond = draws * DrawWidth * DrawHeight / seconds;
+    printf("Result: %d draws in %f seconds = %f pixels/sec\n",
+	   draws, seconds, pixelsPerSecond);
+    }
+
+UGL_LOCAL void echoUse(void)
+    {
+    printf("Keys:\n");
+    printf("       SPACE  Reset Parameters\n");
+    printf("     Up/Down  Move image up/down\n");
+    printf("  Left/Right  Move image left/right\n");
+    printf("           x  Decrease X-axis PixelZoom\n");
+    printf("           X  Increase X-axis PixelZoom\n");
+    printf("           y  Decrease Y-axis PixelZoom\n");
+    printf("           Y  Increase Y-axis PixelZoom\n");
+    printf("           w  Decrease glDrawPixels width*\n");
+    printf("           W  Increase glDrawPixels width*\n");
+    printf("           h  Decrease glDrawPixels height*\n");
+    printf("           H  Increase glDrawPixels height*\n");
+    printf("           p  Decrease GL_UNPACK_SKIP_PIXELS*\n");
+    printf("           P  Increase GL_UNPACK_SKIP_PIXELS*\n");
+    printf("           r  Decrease GL_UNPACK_SKIP_ROWS*\n");
+    printf("           R  Increase GL_UNPACK_SKIP_ROWS*\n");
+    printf("           s  Toggle GL_SCISSOR_TEST\n");
+    printf("           f  Toggle front/back buffer drawing\n");
+    printf("           d  Toggle dithering\n");
+    printf("           b  Benchmark test\n");
+    printf("         ESC  Exit\n");
+    printf("* Warning: no limits are imposed on these parameters so it's\n");
+    printf("  possible to cause a segfault if you go too far.\n");
+    }
+
+
+UGL_LOCAL void readKey(UGL_WCHAR key)
+    {
+    switch (key)
+	{
+	case UGL_UNI_SPACE:
+	    reset();
+	    break;
+	case 'd':
+	    Dither = !Dither;
+	    if (Dither)
+		glEnable(GL_DITHER);
+	    else
+		glDisable(GL_DITHER);
+	    break;
+	case 'w':
+	    if (DrawWidth > 0)
+		DrawWidth--;
+	    break;
+	case 'W':
+	    DrawWidth++;
+	    break;
+	case 'h':
+	    if (DrawHeight > 0)
+		DrawHeight--;
+	    break;
+	case 'H':
+	    DrawHeight++;
+	    break;
+	case 'p':
+	    if (SkipPixels > 0)
+		SkipPixels--;
+	    break;
+	case 'P':
+	    SkipPixels++;
+	    break;
+	case 'r':
+	    if (SkipRows > 0)
+		SkipRows--;
+	    break;
+	case 'R':
+	    SkipRows++;
+	    break;
+	case 's':
+	    Scissor = !Scissor;
+	    break;
+	case 'x':
+	    Xzoom -= 0.1;
+	    break;
+	case 'X':
+	    Xzoom += 0.1;
+	    break;
+	case 'y':
+	    Yzoom -= 0.1;
+	    break;
+	case 'Y':
+	    Yzoom += 0.1;
+	    break;
+	case 'b':
+	    benchmark();
+	    break;
+	case 'f':
+	    DrawFront = !DrawFront;
+	    if (DrawFront)
+		glDrawBuffer(GL_FRONT);
+	    else
+		glDrawBuffer(GL_BACK);
+	    printf("glDrawBuffer(%s)\n", DrawFront ? "GL_FRONT" : "GL_BACK");
+	    break;
+	case UGL_UNI_UP_ARROW:
+	    Ypos += 1;
+	    break;
+	case UGL_UNI_DOWN_ARROW:
+	    Ypos -= 1;
+	    break;
+	case UGL_UNI_LEFT_ARROW:
+	    Xpos -= 1;
+	    break;
+	case UGL_UNI_RIGHT_ARROW:
+	    Xpos += 1;
+	    break;
+	case UGL_UNI_ESCAPE:
+	    stopWex = UGL_TRUE;
+	    break;
+	}
+    }
+
+UGL_LOCAL void loopEvent(void)
+    {
+    UGL_EVENT event;
+    UGL_INPUT_EVENT * pInputEvent;
+ 
+    UGL_FOREVER
+	{
+	if (uglEventGet (qId, &event, sizeof (event), UGL_NO_WAIT)
+	    != UGL_STATUS_Q_EMPTY)
+            {
+	    pInputEvent = (UGL_INPUT_EVENT *)&event;
+	    
+	    if (pInputEvent->header.type == UGL_EVENT_TYPE_KEYBOARD &&
+		pInputEvent->modifiers & UGL_KEYBOARD_KEYDOWN)
+		readKey(pInputEvent->type.keyboard.key);
+	    }
+
+	drawGL();
+	if (stopWex)
+            break;
+	}
+    }
+
+UGL_LOCAL void cleanUp (void)
+    {
+    uglEventQDestroy (eventServiceId, qId);
+    
+    uglMesaDestroyContext();
+    uglDeinitialize ();
+    }
+
+void windMLDrawPix (UGL_BOOL windMLMode);
+
+void ugldrawpix (void)
+    {
+    taskSpawn ("tDrawPix", 210, VX_FP_TASK, 100000, (FUNCPTR)windMLDrawPix,
+	       UGL_FALSE,1,2,3,4,5,6,7,8,9);
+    }
+
+void windMLDrawPix (UGL_BOOL windMLMode)
+    {
+    UGL_INPUT_DEVICE_ID keyboardDevId;
+    GLuint ciMode;
+    GLsizei width, height;
+
+    Image = NULL;
+    Scissor = GL_FALSE;
+    DrawFront = GL_FALSE;
+    Dither = GL_TRUE;
+
+    uglInitialize ();
+
+    uglDriverFind (UGL_KEYBOARD_TYPE, 0,
+		   (UGL_UINT32 *)&keyboardDevId);
+
+    uglDriverFind (UGL_EVENT_SERVICE_TYPE, 0, (UGL_UINT32 *)&eventServiceId);
+
+    qId = uglEventQCreate (eventServiceId, 100);
+
+    /* Double buffering */
+    if (windMLMode)
+       umc = uglMesaCreateNewContext(UGL_MESA_DOUBLE
+				     | UGL_MESA_WINDML_EXCLUSIVE, NULL);
+    else
+       umc = uglMesaCreateNewContext(UGL_MESA_DOUBLE, NULL);
+    
+    if (umc == NULL)
+        {
+	uglDeinitialize ();
+	return;
+	}
+    
+    uglMesaMakeCurrentContext(umc, 0, 0, UGL_MESA_FULLSCREEN_WIDTH,
+			      UGL_MESA_FULLSCREEN_HEIGHT);
+    
+    uglMesaGetIntegerv(UGL_MESA_COLOR_INDEXED, &ciMode);
+    uglMesaGetIntegerv(UGL_MESA_WIDTH, &width);
+    uglMesaGetIntegerv(UGL_MESA_HEIGHT, &height);
+    
+    initGL(ciMode, width, height);
+
+    echoUse();
+
+    stopWex = UGL_FALSE;
+    loopEvent();
+
+    cleanUp();
+    free(Image);
+    
+    return;
+    }
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/windml/uglflip.c b/nx-X11/extras/Mesa_6.4.2/progs/windml/uglflip.c
new file mode 100644
index 000000000..0ca068f41
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/windml/uglflip.c
@@ -0,0 +1,224 @@
+
+/* uglflip.c - WindML/Mesa example program */
+
+/* Copyright (C) 2001 by Wind River Systems, Inc */
+
+/*
+ * Mesa 3-D graphics library
+ * Version:  3.5
+ *
+ * The MIT License
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+/*
+ * Authors:
+ * Stephane Raimbault <stephane.raimbault@windriver.com> 
+ */
+
+/*
+DESCRIPTION
+Draw a triangle and flip the screen
+*/
+
+#include <stdio.h>
+#include <math.h>
+
+#include <ugl/ugl.h>
+#include <ugl/uglucode.h>
+#include <ugl/uglevent.h>
+#include <ugl/uglinput.h>
+
+#include <GL/uglmesa.h>
+#include <GL/glu.h>
+
+#define BLACK     (0)
+#define RED       (1)
+#define GREEN     (2)
+#define BLUE      (3)
+#define CI_OFFSET  4
+
+UGL_LOCAL GLuint rgb;
+UGL_LOCAL UGL_EVENT_SERVICE_ID eventServiceId;
+UGL_LOCAL UGL_EVENT_Q_ID qId;
+UGL_LOCAL volatile UGL_BOOL stopWex;
+
+UGL_LOCAL UGL_MESA_CONTEXT umc;
+
+UGL_LOCAL void initGL (void)
+    {
+    uglMesaSetColor(BLACK, 0.0, 0.0, 0.0);
+    uglMesaSetColor(RED, 1.0, 0.3, 0.3);
+    uglMesaSetColor(GREEN, 0.3, 1.0, 0.3);
+    uglMesaSetColor(BLUE, 0.3, 0.3, 1.0);
+    
+    glClearColor(0.0, 0.0, 0.0, 0.0);
+    glClearIndex(BLACK);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glMatrixMode(GL_MODELVIEW);
+    }
+
+UGL_LOCAL void drawGL (void)
+    {
+    glClear(GL_COLOR_BUFFER_BIT);
+    
+    glBegin(GL_TRIANGLES);
+        (rgb) ? glColor3f(1.0, 0.3, 0.3) : glIndexi(RED);
+	glVertex2f(0.75, -0.50);
+	(rgb) ? glColor3f(0.3, 1.0, 0.3) : glIndexi(GREEN);
+	glVertex2f(0.0, 0.75);
+	(rgb) ? glColor3f(0.3, 0.3, 1.0) : glIndexi(BLUE);
+	glVertex2f(-0.75, -0.50);
+    glEnd();
+    
+    glBegin(GL_LINES);
+        (rgb) ? glColor3f(1.0, 0.3, 0.3) : glIndexi(RED);
+	glVertex2f(-1.0, 1.0);
+	(rgb) ? glColor3f(0.3, 0.3, 1.0) : glIndexi(BLUE);
+	glVertex2f(1.0, -1.0);
+    glEnd();
+
+    glFlush();
+
+    uglMesaSwapBuffers();
+    }    
+
+UGL_LOCAL void echoUse(void)
+    {
+    printf("tFlip keys:\n");
+    printf("             d  Toggle dithering\n");
+    printf("            up  Reduce the window\n");
+    printf("          down  Enlarge the window\n");
+    printf("       page up  Y==0 is the bottom line and increases upward\n");
+    printf("     page down  Y==0 is the bottom line and increases downward\n");
+    printf("           ESC  Exit\n");
+    }
+
+UGL_LOCAL void readKey (UGL_WCHAR key)
+    {
+    
+    switch(key)
+	{
+	case UGL_UNI_UP_ARROW:
+	    uglMesaResizeWindow(8, 8);
+	    break;
+	case UGL_UNI_DOWN_ARROW:
+	    glDrawBuffer(GL_FRONT_LEFT);
+	    glClear(GL_COLOR_BUFFER_BIT);
+	    glDrawBuffer(GL_BACK_LEFT);
+	    uglMesaResizeWindow(-8, -8);
+	    break;
+	case UGL_UNI_PAGE_UP:
+	    uglMesaPixelStore(UGL_MESA_Y_UP, GL_TRUE);
+	    break;
+	case UGL_UNI_PAGE_DOWN:
+	    uglMesaPixelStore(UGL_MESA_Y_UP, GL_FALSE);
+	    break;
+	case UGL_UNI_ESCAPE:
+	    stopWex = UGL_TRUE;
+	    break;
+	case 'd':
+	    if (glIsEnabled(GL_DITHER))
+		glDisable(GL_DITHER);
+	    else
+		glEnable(GL_DITHER);
+	    break;
+	}
+    }
+
+UGL_LOCAL void loopEvent(void)
+    {
+    UGL_EVENT event;
+    UGL_INPUT_EVENT * pInputEvent;
+ 
+    drawGL();
+
+    UGL_FOREVER
+	{
+	if (uglEventGet (qId, &event, sizeof (event), UGL_WAIT_FOREVER)
+	    != UGL_STATUS_Q_EMPTY)
+            {
+	    pInputEvent = (UGL_INPUT_EVENT *)&event;
+	    
+	    if (pInputEvent->header.type == UGL_EVENT_TYPE_KEYBOARD &&
+		pInputEvent->modifiers & UGL_KEYBOARD_KEYDOWN)
+		{
+		readKey(pInputEvent->type.keyboard.key);
+		drawGL();
+		}
+	    }
+
+	if (stopWex)
+            break;
+	}
+    }
+
+void windMLFlip (UGL_BOOL windMLMode);
+
+void uglflip (void)
+    {
+    taskSpawn ("tFlip", 210, VX_FP_TASK, 100000, (FUNCPTR)windMLFlip,
+	       UGL_FALSE,1,2,3,4,5,6,7,8,9);
+    }
+
+void windMLFlip (UGL_BOOL windMLMode)
+    {
+
+    UGL_INPUT_DEVICE_ID keyboardDevId;
+
+    uglInitialize();
+
+    uglDriverFind (UGL_KEYBOARD_TYPE, 0, (UGL_UINT32 *)&keyboardDevId);
+
+    uglDriverFind (UGL_EVENT_SERVICE_TYPE, 0, (UGL_UINT32 *)&eventServiceId);
+
+    qId = uglEventQCreate (eventServiceId, 100);
+
+    if (windMLMode)
+       umc = uglMesaCreateNewContext(UGL_MESA_SINGLE
+				     | UGL_MESA_WINDML_EXCLUSIVE, NULL);
+    else
+       umc = uglMesaCreateNewContext(UGL_MESA_DOUBLE_SOFTWARE, NULL);
+
+    if (umc == NULL)
+        {
+	uglDeinitialize();
+	return;
+        }
+
+    uglMesaMakeCurrentContext(umc, 0, 0, UGL_MESA_FULLSCREEN_WIDTH,
+			      UGL_MESA_FULLSCREEN_HEIGHT);
+    
+    uglMesaGetIntegerv(UGL_MESA_RGB, &rgb);
+    
+    initGL();
+
+    echoUse();
+    stopWex = UGL_FALSE;	    
+    loopEvent();
+    
+    uglEventQDestroy (eventServiceId, qId);
+
+    uglMesaDestroyContext();
+    uglDeinitialize();
+
+    return;
+    }
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/windml/uglgears.c b/nx-X11/extras/Mesa_6.4.2/progs/windml/uglgears.c
new file mode 100644
index 000000000..468fe8998
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/windml/uglgears.c
@@ -0,0 +1,428 @@
+
+/* uglgears.c - WindML/Mesa example program */
+
+/*
+ * 3-D gear wheels.  This program is in the public domain.
+ *
+ * Brian Paul
+ *
+ * Conversion to GLUT by Mark J. Kilgard
+ * Conversion to UGL/Mesa from GLUT by Stephane Raimbault
+ */
+
+/*
+DESCRIPTION
+Spinning gears demo
+*/
+
+#include <stdio.h>
+#include <math.h>
+#include <tickLib.h>
+
+#include <ugl/ugl.h>
+#include <ugl/uglucode.h>
+#include <ugl/uglevent.h>
+#include <ugl/uglinput.h>
+#include <GL/uglmesa.h>
+#include <GL/glu.h>
+
+#ifndef M_PI
+#define M_PI 3.14159265358979323846
+#endif
+
+#define COUNT_FRAMES
+
+UGL_LOCAL UGL_EVENT_SERVICE_ID eventServiceId;
+UGL_LOCAL UGL_EVENT_Q_ID qId;
+UGL_LOCAL volatile UGL_BOOL stopWex;
+UGL_LOCAL UGL_MESA_CONTEXT umc;
+
+UGL_LOCAL GLfloat view_rotx, view_roty, view_rotz;
+UGL_LOCAL GLint gear1, gear2, gear3;
+UGL_LOCAL GLfloat angle;
+
+UGL_LOCAL GLuint limit;
+UGL_LOCAL GLuint count;
+UGL_LOCAL GLuint tickStart, tickStop, tickBySec;
+
+
+/*
+* Draw a gear wheel.  You'll probably want to call this function when
+* building a display list since we do a lot of trig here.
+*
+* Input:  inner_radius - radius of hole at center
+*         outer_radius - radius at center of teeth
+*         width - width of gear
+*         teeth - number of teeth
+*         tooth_depth - depth of tooth
+*/
+
+UGL_LOCAL void gear
+    (
+    GLfloat inner_radius,
+    GLfloat outer_radius,
+    GLfloat width,
+    GLint teeth,
+    GLfloat tooth_depth
+    )
+    {
+    GLint i;
+    GLfloat r0, r1, r2;
+    GLfloat angle, da;
+    GLfloat u, v, len;
+
+    r0 = inner_radius;
+    r1 = outer_radius - tooth_depth/2.0;
+    r2 = outer_radius + tooth_depth/2.0;
+    
+    da = 2.0*M_PI / teeth / 4.0;
+    
+    glShadeModel (GL_FLAT);
+    
+    glNormal3f (0.0, 0.0, 1.0);
+    
+    /* draw front face */
+    glBegin (GL_QUAD_STRIP);
+    for (i=0;i<=teeth;i++)
+        {
+	angle = i * 2.0*M_PI / teeth;
+	glVertex3f (r0*cos (angle), r0*sin (angle), width*0.5);
+	glVertex3f (r1*cos (angle), r1*sin (angle), width*0.5);
+	glVertex3f (r0*cos (angle), r0*sin (angle), width*0.5);
+	glVertex3f (r1*cos (angle+3*da), r1*sin (angle+3*da), width*0.5);
+	}
+    glEnd ();
+
+    /* draw front sides of teeth */
+    glBegin (GL_QUADS);
+    da = 2.0*M_PI / teeth / 4.0;
+    for (i=0; i<teeth; i++)
+        {
+	angle = i * 2.0*M_PI / teeth;
+
+	glVertex3f (r1*cos (angle),      r1*sin (angle),      width*0.5);
+	glVertex3f (r2*cos (angle+da),   r2*sin (angle+da),   width*0.5);
+	glVertex3f (r2*cos (angle+2*da), r2*sin (angle+2*da), width*0.5);
+	glVertex3f (r1*cos (angle+3*da), r1*sin (angle+3*da), width*0.5);
+	}
+    glEnd ();
+
+
+    glNormal3f (0.0, 0.0, -1.0);
+
+    /* draw back face */
+    glBegin (GL_QUAD_STRIP);
+    for (i=0; i<=teeth ;i++)
+        {
+	angle = i * 2.0*M_PI / teeth;
+	glVertex3f (r1*cos (angle), r1*sin (angle), -width*0.5);
+	glVertex3f (r0*cos (angle), r0*sin (angle), -width*0.5);
+	glVertex3f (r1*cos (angle+3*da), r1*sin (angle+3*da), -width*0.5);
+	glVertex3f (r0*cos (angle), r0*sin (angle), -width*0.5);
+	}
+    glEnd ();
+
+    /* draw back sides of teeth */
+    glBegin (GL_QUADS);
+    da = 2.0*M_PI / teeth / 4.0;
+    for (i=0;i<teeth;i++)
+        {
+	angle = i * 2.0*M_PI / teeth;
+
+	glVertex3f (r1*cos (angle+3*da), r1*sin (angle+3*da), -width*0.5);
+	glVertex3f (r2*cos (angle+2*da), r2*sin (angle+2*da), -width*0.5);
+	glVertex3f (r2*cos (angle+da),   r2*sin (angle+da),   -width*0.5);
+	glVertex3f (r1*cos (angle),      r1*sin (angle),      -width*0.5);
+	}
+    glEnd ();
+
+
+    /* draw outward faces of teeth */
+    glBegin (GL_QUAD_STRIP);
+    for (i=0;i<teeth;i++)
+        {
+	angle = i * 2.0*M_PI / teeth;
+
+	glVertex3f (r1*cos (angle),      r1*sin (angle),       width*0.5);
+	glVertex3f (r1*cos (angle),      r1*sin (angle),      -width*0.5);
+	u = r2*cos (angle+da) - r1*cos (angle);
+	v = r2*sin (angle+da) - r1*sin (angle);
+	len = sqrt (u*u + v*v);
+	u /= len;
+	v /= len;
+	glNormal3f (v, -u, 0.0);
+	glVertex3f (r2*cos (angle+da),   r2*sin (angle+da),    width*0.5);
+	glVertex3f (r2*cos (angle+da),   r2*sin (angle+da),   -width*0.5);
+	glNormal3f (cos (angle), sin (angle), 0.0);
+	glVertex3f (r2*cos (angle+2*da), r2*sin (angle+2*da),  width*0.5);
+	glVertex3f (r2*cos (angle+2*da), r2*sin (angle+2*da), -width*0.5);
+	u = r1*cos (angle+3*da) - r2*cos (angle+2*da);
+	v = r1*sin (angle+3*da) - r2*sin (angle+2*da);
+	glNormal3f (v, -u, 0.0);
+	glVertex3f (r1*cos (angle+3*da), r1*sin (angle+3*da),  width*0.5);
+	glVertex3f (r1*cos (angle+3*da), r1*sin (angle+3*da), -width*0.5);
+	glNormal3f (cos (angle), sin (angle), 0.0);
+        }
+
+    glVertex3f (r1*cos (0), r1*sin (0), width*0.5);
+    glVertex3f (r1*cos (0), r1*sin (0), -width*0.5);
+    
+    glEnd ();
+    
+    glShadeModel (GL_SMOOTH);
+    
+    /* draw inside radius cylinder */
+    glBegin (GL_QUAD_STRIP);
+    for (i=0;i<=teeth;i++)
+        {
+	angle = i * 2.0*M_PI / teeth;
+	glNormal3f (-cos (angle), -sin (angle), 0.0);
+	glVertex3f (r0*cos (angle), r0*sin (angle), -width*0.5);
+	glVertex3f (r0*cos (angle), r0*sin (angle), width*0.5);
+	} 
+    glEnd ();
+      
+}
+
+UGL_LOCAL void drawGL (void)
+    {
+#ifdef COUNT_FRAMES
+    int time;
+#endif
+    
+    angle += 2.0;
+
+    glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+    glPushMatrix ();
+    glRotatef (view_rotx, 1.0, 0.0, 0.0);
+    glRotatef (view_roty, 0.0, 1.0, 0.0);
+    glRotatef (view_rotz, 0.0, 0.0, 1.0);
+
+    glPushMatrix ();
+    glTranslatef (-3.0, -2.0, 0.0);
+    glRotatef (angle, 0.0, 0.0, 1.0);
+    glCallList (gear1);
+    glPopMatrix ();
+
+    glPushMatrix ();
+    glTranslatef (3.1, -2.0, 0.0);
+    glRotatef (-2.0*angle-9.0, 0.0, 0.0, 1.0);
+    glCallList (gear2);
+    glPopMatrix ();
+
+    glPushMatrix ();
+    glTranslatef (-3.1, 4.2, 0.0);
+    glRotatef (-2.0*angle-25.0, 0.0, 0.0, 1.0);
+    glCallList (gear3);
+    glPopMatrix ();
+
+    glPopMatrix ();
+
+    glFlush();
+    
+    uglMesaSwapBuffers ();
+
+#ifdef COUNT_FRAMES
+    if (count > limit)
+        {
+	tickStop = tickGet ();
+	time = (tickStop-tickStart)/tickBySec;
+	printf (" %i fps\n", count/time);
+	tickStart = tickStop;
+	count = 0;
+        }
+    else 
+	count++;
+#endif
+}
+
+
+UGL_LOCAL void initGL (GLsizei width, GLsizei height)
+    {
+    UGL_LOCAL GLfloat pos[4] = {5.0, 5.0, 10.0, 1.0 };
+    UGL_LOCAL GLfloat red[4] = {0.8, 0.1, 0.0, 1.0 };
+    UGL_LOCAL GLfloat green[4] = {0.0, 0.8, 0.2, 1.0 };
+    UGL_LOCAL GLfloat blue[4] = {0.2, 0.2, 1.0, 1.0 };
+
+    glLightfv (GL_LIGHT0, GL_POSITION, pos);
+    glEnable (GL_CULL_FACE);
+    glEnable (GL_LIGHTING);
+    glEnable (GL_LIGHT0);
+    glEnable (GL_DEPTH_TEST);
+
+    /* make the gears */
+    gear1 = glGenLists (1);
+    glNewList (gear1, GL_COMPILE);
+    glMaterialfv (GL_FRONT, GL_AMBIENT_AND_DIFFUSE, red);
+    gear (1.0, 4.0, 1.0, 20, 0.7);
+    glEndList ();
+
+    gear2 = glGenLists (1);
+    glNewList (gear2, GL_COMPILE);
+    glMaterialfv (GL_FRONT, GL_AMBIENT_AND_DIFFUSE, green);
+    gear (0.5, 2.0, 2.0, 10, 0.7);
+    glEndList ();
+
+    gear3 = glGenLists (1);
+    glNewList (gear3, GL_COMPILE);
+    glMaterialfv (GL_FRONT, GL_AMBIENT_AND_DIFFUSE, blue);
+    gear (1.3, 2.0, 0.5, 10, 0.7);
+    glEndList ();
+
+    glEnable (GL_NORMALIZE);
+
+    glViewport (0, 0, width, height);
+
+    glMatrixMode (GL_PROJECTION);
+    glLoadIdentity ();
+    if (width>height)
+        {
+	GLfloat w = (GLfloat) width / (GLfloat) height;
+	glFrustum (-w, w, -1.0, 1.0, 5.0, 60.0);
+        }
+    else
+        {
+	GLfloat h = (GLfloat) height / (GLfloat) width;
+	glFrustum (-1.0, 1.0, -h, h, 5.0, 60.0);
+        }
+
+    glMatrixMode (GL_MODELVIEW);
+    glLoadIdentity ();
+    glTranslatef (0.0, 0.0, -40.0);
+
+#ifdef COUNT_FRAMES
+    tickStart = tickGet ();
+    tickBySec = sysClkRateGet ();
+#endif
+}
+
+UGL_LOCAL void echoUse(void)
+    {
+    printf("tGears keys:\n");
+    printf("           z  Counter clockwise rotation (z-axis)\n");
+    printf("           Z  Clockwise rotation (z-axis)\n");
+    printf("          Up  Counter clockwise rotation (x-axis)\n");
+    printf("        Down  Clockwise rotation (x-axis)\n");
+    printf("        Left  Counter clockwise rotation (y-axis)\n");
+    printf("       Right  Clockwise rotation (y-axis)\n");
+    printf("         ESC  Exit\n");
+    }
+
+
+UGL_LOCAL void readKey (UGL_WCHAR key)
+    {
+    
+    switch(key)
+	{
+	case 'z':
+	    view_rotz += 5.0;
+	    break;
+	case 'Z':
+	    view_rotz -= 5.0;
+	    break;
+	case UGL_UNI_UP_ARROW:
+	    view_rotx += 5.0;
+	    break;
+	case UGL_UNI_DOWN_ARROW:
+	    view_rotx -= 5.0;
+	    break;
+	case UGL_UNI_LEFT_ARROW:
+	    view_roty += 5.0;
+	    break;
+	case UGL_UNI_RIGHT_ARROW:
+	    view_roty -= 5.0;
+	    break;  
+	case UGL_UNI_ESCAPE:
+	    stopWex = UGL_TRUE;
+	    break;
+	}
+    }
+
+UGL_LOCAL void loopEvent(void)
+    {
+    UGL_EVENT event;
+    UGL_INPUT_EVENT * pInputEvent;
+    
+    UGL_FOREVER
+	{
+	if (uglEventGet (qId, &event, sizeof (event), UGL_NO_WAIT)
+	    != UGL_STATUS_Q_EMPTY)
+            {
+	    pInputEvent = (UGL_INPUT_EVENT *)&event;
+	    
+	    if (pInputEvent->header.type == UGL_EVENT_TYPE_KEYBOARD &&
+		pInputEvent->modifiers & UGL_KEYBOARD_KEYDOWN)
+		readKey(pInputEvent->type.keyboard.key);
+	    }
+
+	drawGL();
+	if (stopWex)
+            break;
+	}
+    }
+
+void windMLGears (UGL_BOOL windMLMode);
+
+void uglgears (void)
+    {
+    taskSpawn ("tGears", 210, VX_FP_TASK, 100000, (FUNCPTR)windMLGears,
+	       UGL_FALSE,1,2,3,4,5,6,7,8,9);
+    }
+
+void windMLGears (UGL_BOOL windMLMode)
+    {
+    GLsizei width, height;
+    UGL_INPUT_DEVICE_ID keyboardDevId;
+    
+    view_rotx=20.0;
+    view_roty=30.0;
+    view_rotz=0.0;
+    angle = 0.0;
+    limit = 100;
+    count = 1;
+
+    uglInitialize ();
+
+    uglDriverFind (UGL_KEYBOARD_TYPE, 0,
+		   (UGL_UINT32 *)&keyboardDevId);
+
+    uglDriverFind (UGL_EVENT_SERVICE_TYPE, 0, (UGL_UINT32 *)&eventServiceId);
+
+    qId = uglEventQCreate (eventServiceId, 100);
+
+    /* Double buffering */
+    if (windMLMode)
+       umc = uglMesaCreateNewContext(UGL_MESA_DOUBLE
+				     | UGL_MESA_WINDML_EXCLUSIVE, NULL);
+    else
+       umc = uglMesaCreateNewContext(UGL_MESA_DOUBLE, NULL);
+
+    if (umc == NULL)
+	{
+	uglDeinitialize ();
+	return;
+	}
+
+    /* Fullscreen */
+
+    uglMesaMakeCurrentContext (umc, 0, 0, UGL_MESA_FULLSCREEN_WIDTH,
+			       UGL_MESA_FULLSCREEN_HEIGHT);
+
+    uglMesaGetIntegerv(UGL_MESA_WIDTH, &width);
+    uglMesaGetIntegerv(UGL_MESA_HEIGHT, &height);
+    
+    initGL (width, height);
+
+    echoUse();
+
+    stopWex = UGL_FALSE;
+    loopEvent();
+        
+    uglEventQDestroy (eventServiceId, qId);
+
+    uglMesaDestroyContext();
+    uglDeinitialize ();
+
+    return;
+    }
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/windml/uglicotorus.c b/nx-X11/extras/Mesa_6.4.2/progs/windml/uglicotorus.c
new file mode 100644
index 000000000..c09b6d1b5
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/windml/uglicotorus.c
@@ -0,0 +1,315 @@
+/* uglicotorus.c - WindML/Mesa example program */
+
+/* Copyright (C) 2001 by Wind River Systems, Inc */
+
+/*
+ * Mesa 3-D graphics library
+ * Version:  3.5
+ *
+ * The MIT License
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+/*
+modification history
+--------------------
+01a,jun01,sra
+*/
+
+#include <stdio.h>
+#include <math.h>
+
+#include <ugl/uglevent.h>
+#include <ugl/uglinput.h>
+#include <ugl/uglucode.h>
+
+#include <GL/uglmesa.h>
+#include <GL/glu.h>
+
+/* Need GLUT_SHAPES */
+
+#include <GL/uglglutshapes.h>
+
+UGL_LOCAL UGL_EVENT_SERVICE_ID eventServiceId;
+UGL_LOCAL UGL_EVENT_Q_ID qId;
+UGL_LOCAL UGL_MESA_CONTEXT umc;
+UGL_LOCAL volatile UGL_BOOL stopWex;
+
+UGL_LOCAL GLfloat angle;
+UGL_LOCAL GLboolean chaos_on;
+UGL_LOCAL GLboolean color_on;
+
+UGL_LOCAL GLuint theIco, theTorus, theSphere, theCube; 
+
+UGL_LOCAL void initGL
+    (
+    int w,
+    int h
+    )
+    {
+    glViewport(0,0,(GLsizei)w,(GLsizei)h);
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    gluPerspective(60.0,(GLfloat)w/(GLfloat)h,1.0,60.0);
+    
+    glMatrixMode(GL_MODELVIEW);
+    glLoadIdentity();
+    gluLookAt(0.0,0.0,25.0,0.0,0.0,0.0,0.0,1.0,0.0);
+    
+    glClearColor(0.0,0.0,0.0,0.0);
+
+    glEnable(GL_DEPTH_TEST);
+    glEnable(GL_LIGHTING);
+    glEnable(GL_LIGHT0);
+
+    glEnable(GL_COLOR_MATERIAL);
+
+    theIco = glGenLists(1);
+    glNewList(theIco, GL_COMPILE);
+    glutSolidIcosahedron();
+    glEndList();
+
+    theTorus = glGenLists(1);
+    glNewList(theTorus, GL_COMPILE);
+    glutSolidTorus(0.2,1.0,10,10);
+    glEndList();
+
+    theSphere = glGenLists(1);
+    glNewList(theSphere, GL_COMPILE);
+    glutSolidSphere(2.5,20,20);
+    glEndList();
+
+    theCube = glGenLists(1);
+    glNewList(theCube, GL_COMPILE);
+    glutSolidCube(4.0);
+    glEndList();
+    
+    }
+
+UGL_LOCAL void createIcoToruses
+    (
+    int i
+    )
+    {
+    glPushMatrix();
+    glRotatef(angle,1.0,1.0,1.0);
+    glCallList(theIco);   
+
+    switch (i)
+	{
+	case 9 :
+	    glColor3f(1.0,0.0,0.0);
+	    break;
+	case 0 :
+	    glColor3f(1.0,0.1,0.7);
+	    break;
+	case 1 :
+	    glColor3f(1.0,0.0,1.0);
+	    break;
+	case 2 :
+	    glColor3f(0.0,0.0,1.0);
+	    break;
+	case 3 :
+	    glColor3f(0.0,0.5,1.0);
+	    break;
+	case 4 :
+	    glColor3f(0.0,1.0,0.7);
+	    break;
+	case 5 :
+	    glColor3f(0.0,1.0,0.0);
+	    break;
+	case 6 :
+	    glColor3f(0.5,1.0,0.0);
+	    break;
+	case 7 :
+	    glColor3f(1.0,1.0,0.0);
+	    break;
+	case 8 :
+	    glColor3f(1.0,0.5,0.0);
+	    break;
+	}
+
+    glRotatef(angle,1.0,1.0,1.0);
+    glCallList(theTorus);   
+    glRotatef(-2*angle,1.0,1.0,1.0);
+    glCallList(theTorus);
+    glPopMatrix();
+    }
+
+UGL_LOCAL void drawGL (void)
+    {
+    int i;
+
+    if (color_on)
+	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+    else
+	glClear(GL_DEPTH_BUFFER_BIT);
+    
+    glPushMatrix();
+
+    if (chaos_on)	
+	glRotatef(angle,1.0,1.0,1.0); 
+    
+    glPushMatrix();
+    glRotatef(angle,1.0,1.0,1.0);
+    glColor3f(1.0,0.5,0.0);
+    glCallList(theSphere);
+    glColor3f(1.0,0.0,0.0);
+    glCallList(theCube);
+    glPopMatrix(); 
+        
+    glRotatef(-angle,0.0,0.0,1.0);
+    glPushMatrix();
+    /* draw ten icosahedrons */
+    for (i = 0; i < 10; i++)
+	{
+	glPushMatrix();
+	glRotatef(36*i,0.0,0.0,1.0);
+	glTranslatef(10.0,0.0,0.0);
+	glRotatef(2*angle,0.0,1.0,0.0);
+	glTranslatef(0.0,0.0,2.0);
+	
+	createIcoToruses(i); 
+	glPopMatrix();
+	}
+    glPopMatrix();
+    
+    glPopMatrix();
+    
+    uglMesaSwapBuffers();
+
+    angle += 1.0;
+
+    }
+
+UGL_LOCAL void echoUse(void)
+    {
+    printf("tIcoTorus keys:\n");
+    printf("           c  Toggle color buffer clear\n");
+    printf("       SPACE  Toggle chaos mode\n");
+    printf("         ESC  Exit\n");
+    }
+
+UGL_LOCAL void readKey (UGL_WCHAR key)
+    {
+    
+    switch(key)
+	{
+	case 'c':
+	    color_on = !color_on;
+	    break;    
+	case UGL_UNI_SPACE:
+	    chaos_on = !chaos_on;
+	    break;
+	case UGL_UNI_ESCAPE:
+	    stopWex = UGL_TRUE;
+	    break;
+	}
+    }
+
+UGL_LOCAL void loopEvent(void)
+    {
+    UGL_EVENT event;
+    UGL_INPUT_EVENT * pInputEvent;
+ 
+    UGL_FOREVER
+	{
+	if (uglEventGet (qId, &event, sizeof (event), UGL_NO_WAIT)
+	    != UGL_STATUS_Q_EMPTY)
+            {
+	    pInputEvent = (UGL_INPUT_EVENT *)&event;
+	    
+	    if (pInputEvent->header.type == UGL_EVENT_TYPE_KEYBOARD &&
+		pInputEvent->modifiers & UGL_KEYBOARD_KEYDOWN)
+		readKey(pInputEvent->type.keyboard.key);
+	    }
+
+	drawGL();
+	if (stopWex)
+            break;
+	}
+    }
+
+void windMLIcoTorus (UGL_BOOL windMLMode);
+
+void uglicotorus (void)
+    {
+    taskSpawn ("tIcoTorus", 210, VX_FP_TASK, 100000, (FUNCPTR)windMLIcoTorus,
+	       UGL_FALSE,1,2,3,4,5,6,7,8,9);
+    }
+
+void windMLIcoTorus (UGL_BOOL windMLMode)
+    {
+    GLsizei width, height;
+    UGL_INPUT_DEVICE_ID keyboardDevId;
+
+    angle = 0.0;
+    chaos_on = GL_TRUE;
+    color_on = GL_TRUE;
+
+    uglInitialize ();
+
+    uglDriverFind (UGL_KEYBOARD_TYPE, 0,
+		   (UGL_UINT32 *)&keyboardDevId);
+
+    if (uglDriverFind (UGL_EVENT_SERVICE_TYPE, 0,
+                       (UGL_UINT32 *)&eventServiceId) == UGL_STATUS_OK)
+        {
+        qId = uglEventQCreate (eventServiceId, 100);
+        }
+    else 
+        {
+        eventServiceId = UGL_NULL;
+        }
+
+    /* Double buffering */
+    if (windMLMode)
+       umc = uglMesaCreateNewContext(UGL_MESA_DOUBLE
+				     | UGL_MESA_WINDML_EXCLUSIVE, NULL);
+    else
+       umc = uglMesaCreateNewContext(UGL_MESA_DOUBLE, NULL);
+    
+    if (umc == NULL)
+        {
+	uglDeinitialize ();
+	return;
+	}
+    
+    uglMesaMakeCurrentContext (umc, 0, 0, UGL_MESA_FULLSCREEN_WIDTH,
+			       UGL_MESA_FULLSCREEN_HEIGHT);
+
+    uglMesaGetIntegerv(UGL_MESA_WIDTH, &width);
+    uglMesaGetIntegerv(UGL_MESA_HEIGHT, &height);
+    
+    initGL (width, height);
+
+    echoUse();
+
+    stopWex = UGL_FALSE;
+    loopEvent();
+        
+    if (eventServiceId != UGL_NULL)
+        uglEventQDestroy (eventServiceId, qId);
+
+    uglMesaDestroyContext ();
+    uglDeinitialize ();
+    
+    return;
+    }
+
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/windml/uglline.c b/nx-X11/extras/Mesa_6.4.2/progs/windml/uglline.c
new file mode 100644
index 000000000..e58f071ea
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/windml/uglline.c
@@ -0,0 +1,274 @@
+
+/* uglline.c - WindML/Mesa example program */
+
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+/*
+modification history
+--------------------
+01a,jun01,sra  Ported to UGL/Mesa and modifications
+*/
+
+/*
+DESCRIPTION
+Draw circular lines
+*/
+
+#include <stdio.h>
+#include <math.h>
+
+#include <ugl/ugl.h>
+#include <ugl/uglucode.h>
+#include <ugl/uglevent.h>
+#include <ugl/uglinput.h>
+
+#include <GL/uglmesa.h>
+#include <GL/glu.h>
+
+#define BLACK     (0)
+#define YELLOW    (1)
+#define GREEN     (2)
+#define BLUE      (3)
+#define CI_OFFSET  4
+
+UGL_LOCAL GLuint rgb;
+UGL_LOCAL UGL_EVENT_SERVICE_ID eventServiceId;
+UGL_LOCAL UGL_EVENT_Q_ID qId;
+UGL_LOCAL volatile UGL_BOOL stopWex;
+UGL_LOCAL UGL_MESA_CONTEXT umc;
+
+UGL_LOCAL GLboolean mode1, mode2;
+UGL_LOCAL GLint size;
+
+UGL_LOCAL GLfloat pntA[3] = {
+    -10.0, 0.0, 0.0
+};
+UGL_LOCAL GLfloat pntB[3] = {
+    -5.0, 0.0, 0.0
+};
+
+UGL_LOCAL GLint angleA;
+
+UGL_LOCAL void initGL (void)
+    {    
+    GLint i;
+
+    uglMesaSetColor(BLACK, 0.0, 0.0, 0.0);
+    uglMesaSetColor(YELLOW, 1.0, 1.0, 0.0);
+    uglMesaSetColor(GREEN, 0.0, 1.0, 0.0);
+    uglMesaSetColor(BLUE, 0.0, 0.0, 1.0);
+    
+    for (i = 0; i < 16; i++)
+	{
+	uglMesaSetColor(CI_OFFSET+i, i/15.0, i/15.0, 0.0);
+	}
+    
+    glClearColor(0.0, 0.0, 0.0, 0.0);
+    glClearIndex(BLACK);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glOrtho(-10, 10, -10, 10, -10.0, 10.0);
+
+    glMatrixMode(GL_MODELVIEW);
+    
+    glLineStipple(1, 0xF0E0);
+    glBlendFunc(GL_SRC_ALPHA, GL_ONE);
+
+    mode1 = GL_FALSE;
+    mode2 = GL_FALSE;
+    size = 1;
+    }
+
+UGL_LOCAL void drawGL (void)
+    {
+    
+    GLint ci, i;
+
+    glClear(GL_COLOR_BUFFER_BIT);
+
+    glLineWidth(size);
+
+    if (mode1) {
+	glEnable(GL_LINE_STIPPLE);
+    } else {
+	glDisable(GL_LINE_STIPPLE);
+    }
+
+    if (mode2) {
+	ci = CI_OFFSET;
+	glEnable(GL_LINE_SMOOTH);
+	glEnable(GL_BLEND);
+    } else {
+	ci = YELLOW;
+	glDisable(GL_LINE_SMOOTH);
+	glDisable(GL_BLEND);
+    }
+
+    glPushMatrix();
+
+    glRotatef(angleA, 1, 0, 1);
+    angleA = angleA++ % 360;
+   
+    for (i = 0; i < 360; i += 5) {
+	glRotatef(5.0, 0, 0, 1);
+
+	glColor3f(1.0, 1.0, 0.0);
+	glBegin(GL_LINE_STRIP);
+	    glVertex3fv(pntA);
+	    glVertex3fv(pntB);
+	glEnd();
+
+	glPointSize(1);
+	
+	glColor3f(0.0, 1.0, 0.0);
+	glBegin(GL_POINTS);
+	glVertex3fv(pntA);
+	glVertex3fv(pntB);
+	glEnd();
+    }
+    
+    glPopMatrix();
+
+    glFlush();
+
+    uglMesaSwapBuffers();
+
+    }    
+
+UGL_LOCAL void echoUse(void)
+    {
+    printf("tLine keys:\n");
+    printf("           b  Blending/antialiasing\n");
+    printf("           n  Line stipple\n");
+    printf("     Up/Down  Pixel size\n");
+    printf("         ESC  Exit\n");
+    }
+
+UGL_LOCAL void readKey (UGL_WCHAR key)
+    {
+    switch(key)
+	{
+	case 'n':
+	    mode1 = (mode1) ? GL_FALSE: GL_TRUE;
+	    break;
+	case 'b':
+	    mode2 = (mode2) ? GL_FALSE: GL_TRUE;
+	    break;
+	case UGL_UNI_DOWN_ARROW:
+	    if(size>0)
+		size--;
+	    break;
+	case UGL_UNI_UP_ARROW:
+	    size++;
+	    break; 
+	case UGL_UNI_ESCAPE:
+	    stopWex = UGL_TRUE;
+	    break;
+	}
+    }
+
+UGL_LOCAL void loopEvent(void)
+    {
+    UGL_EVENT event;
+    UGL_INPUT_EVENT * pInputEvent;
+ 
+    UGL_FOREVER
+	{
+	if (uglEventGet (qId, &event, sizeof (event), UGL_NO_WAIT)
+	    != UGL_STATUS_Q_EMPTY)
+            {
+	    pInputEvent = (UGL_INPUT_EVENT *)&event;
+	    
+	    if (pInputEvent->header.type == UGL_EVENT_TYPE_KEYBOARD &&
+		pInputEvent->modifiers & UGL_KEYBOARD_KEYDOWN)
+		readKey(pInputEvent->type.keyboard.key);
+	    }
+
+	drawGL();
+	if (stopWex)
+            break;
+	}
+    }
+
+void windMLLine (UGL_BOOL windMLMode);
+
+void uglline (void)
+    {
+    taskSpawn("tLine", 210, VX_FP_TASK, 100000, (FUNCPTR)windMLLine,
+              UGL_FALSE,1,2,3,4,5,6,7,8,9);
+    }
+
+
+void windMLLine(UGL_BOOL windMLMode)
+    {
+
+    UGL_INPUT_DEVICE_ID keyboardDevId;
+
+    angleA = 0;
+    
+    uglInitialize();
+
+    uglDriverFind (UGL_KEYBOARD_TYPE, 0, (UGL_UINT32 *)&keyboardDevId);
+
+    uglDriverFind (UGL_EVENT_SERVICE_TYPE, 0, (UGL_UINT32 *)&eventServiceId);
+
+    qId = uglEventQCreate (eventServiceId, 100);
+
+    /* Double buffer */
+
+    if (windMLMode)
+       umc = uglMesaCreateNewContext(UGL_MESA_DOUBLE
+				     | UGL_MESA_WINDML_EXCLUSIVE, NULL);
+	else
+	   umc = uglMesaCreateNewContext(UGL_MESA_DOUBLE, NULL);
+
+    if (umc == NULL)
+        {
+	uglDeinitialize();
+	return;
+        }
+
+    /* Fullscreen */
+
+    uglMesaMakeCurrentContext(umc, 0, 0, UGL_MESA_FULLSCREEN_WIDTH,
+			      UGL_MESA_FULLSCREEN_HEIGHT);
+
+    uglMesaGetIntegerv(UGL_MESA_RGB, &rgb);
+    
+    initGL();
+
+    echoUse();
+
+    stopWex = UGL_FALSE;
+    loopEvent();
+        
+    uglEventQDestroy(eventServiceId, qId);
+
+    uglMesaDestroyContext();
+    uglDeinitialize();
+
+    return;
+    }
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/windml/uglolympic.c b/nx-X11/extras/Mesa_6.4.2/progs/windml/uglolympic.c
new file mode 100644
index 000000000..282558dac
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/windml/uglolympic.c
@@ -0,0 +1,479 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+/*
+ * Nov 20, 1995 use stdlib's rand()/srand() instead of random()/srand48(), etc.
+ */
+
+/*
+ * Modified by Stephane Raimbault to be able to run in VxWorks 07/18/01
+ *
+ * Modified by Li Wei(liwei@aiar.xjtu.edu.cn) to be able to run in Windows
+ * 6/13
+ *
+ * Modified by Brian Paul to compile with Windows OR Unix.  7/23/97
+ */
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+
+#include <ugl/ugl.h>
+#include <ugl/uglevent.h>
+#include <ugl/uglinput.h>
+#include <ugl/uglucode.h>
+
+#include <GL/uglmesa.h>
+#include <GL/glu.h>
+
+#ifndef RAND_MAX
+#  define RAND_MAX 32767
+#endif
+
+#define XSIZE	100
+#define YSIZE	75
+
+#define RINGS 5
+#define BLUERING 0
+#define BLACKRING 1
+#define REDRING 2
+#define YELLOWRING 3
+#define GREENRING 4
+
+#define BACKGROUND 8
+
+UGL_LOCAL UGL_EVENT_SERVICE_ID eventServiceId;
+UGL_LOCAL UGL_EVENT_Q_ID qId;
+UGL_LOCAL UGL_MESA_CONTEXT umc;
+UGL_LOCAL volatile UGL_BOOL stopWex;
+
+UGL_LOCAL int rgb;
+UGL_LOCAL unsigned char rgb_colors[RINGS][3];
+UGL_LOCAL int mapped_colors[RINGS];
+UGL_LOCAL float dests[RINGS][3];
+UGL_LOCAL float offsets[RINGS][3];
+UGL_LOCAL float angs[RINGS];
+UGL_LOCAL float rotAxis[RINGS][3];
+UGL_LOCAL int iters[RINGS];
+UGL_LOCAL GLuint theTorus;
+
+enum {
+    COLOR_BLACK = 0,
+    COLOR_RED,
+    COLOR_GREEN,
+    COLOR_YELLOW,
+    COLOR_BLUE,
+    COLOR_MAGENTA,
+    COLOR_CYAN,
+    COLOR_WHITE
+};
+
+/*
+UGL_LOCAL float RGBMap[9][3] = {
+    {0, 0, 0},
+    {1, 0, 0},
+    {0, 1, 0},
+    {1, 1, 0},
+    {0, 0, 1},
+    {1, 0, 1},
+    {0, 1, 1},
+    {1, 1, 1},
+    {0.5, 0.5, 0.5}
+};
+
+UGL_LOCAL void SetColor(int c)
+    {
+    (rgb) ? glColor3fv(RGBMap[c]): glIndexf(c);
+    }
+
+UGL_LOCAL void InitMap(void)
+    {
+    int i;
+    
+    if (rgb)
+	return;
+    
+    for (i = 0; i < 9; i++)
+	uglMesaSetColor(i, RGBMap[i][0], RGBMap[i][1], RGBMap[i][2]);
+    }
+
+UGL_LOCAL void SetFogRamp(int density, int startIndex)
+    {
+    int fogValues, colorValues;
+    int i, j, k;
+    float intensity;
+    
+    fogValues = 1 << density;
+    colorValues = 1 << startIndex;
+    for (i = 0; i < colorValues; i++)
+	{
+	for (j = 0; j < fogValues; j++)
+	    {
+	    k = i * fogValues + j;
+	    intensity = (i * fogValues + j * colorValues) / 255.0;
+	    uglMesaSetColor(k, intensity, intensity, intensity);
+	    }
+	}
+    }
+
+UGL_LOCAL void SetGreyRamp(void)
+    {
+    int i;
+    float intensity;
+
+    for (i = 0; i < 255; i++)
+	{
+	intensity = i / 255.0;
+	uglMesaSetColor(i, intensity, intensity, intensity);
+	}
+    }
+*/
+
+UGL_LOCAL void FillTorus(float rc, int numc, float rt, int numt)
+    {
+    int i, j, k;
+    double s, t;
+    double x, y, z;
+    double pi, twopi;
+
+    pi = 3.14159265358979323846;
+    twopi = 2 * pi;
+
+    for (i = 0; i < numc; i++)
+	{
+	glBegin(GL_QUAD_STRIP);
+        for (j = 0; j <= numt; j++)
+	    {
+	    for (k = 1; k >= 0; k--)
+		{
+		s = (i + k) % numc + 0.5;
+		t = j % numt;
+		
+		x = cos(t*twopi/numt) * cos(s*twopi/numc);
+		y = sin(t*twopi/numt) * cos(s*twopi/numc);
+		z = sin(s*twopi/numc);
+		glNormal3f(x, y, z);
+		
+		x = (rt + rc * cos(s*twopi/numc)) * cos(t*twopi/numt);
+		y = (rt + rc * cos(s*twopi/numc)) * sin(t*twopi/numt);
+		z = rc * sin(s*twopi/numc);
+		glVertex3f(x, y, z);
+		}
+	    }
+	glEnd();
+	}
+    }
+
+UGL_LOCAL float Clamp(int iters_left, float t)
+    {
+    if (iters_left < 3)
+	{
+	return 0.0;
+	}
+    return (iters_left-2)*t/iters_left;
+    }
+
+UGL_LOCAL void drawGL(void)
+    {
+    int i, j;
+
+    for (i = 0; i < RINGS; i++)
+	{
+	if (iters[i]) {
+	for (j = 0; j < 3; j++)
+	    {
+	    offsets[i][j] = Clamp(iters[i], offsets[i][j]);
+	    }
+	angs[i] = Clamp(iters[i], angs[i]);
+	iters[i]--;
+	}
+	}
+
+    glPushMatrix();
+
+    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+    gluLookAt(0,0,10, 0,0,0, 0,1,0);
+
+    for (i = 0; i < RINGS; i++)
+	{
+	if (rgb)
+	    {
+	    glColor3ubv(rgb_colors[i]);
+	    }
+	else
+	    {
+	    glIndexi(mapped_colors[i]);
+	    }
+	glPushMatrix();
+	glTranslatef(dests[i][0]+offsets[i][0], dests[i][1]+offsets[i][1],
+		     dests[i][2]+offsets[i][2]);
+	glRotatef(angs[i], rotAxis[i][0], rotAxis[i][1], rotAxis[i][2]);
+	glCallList(theTorus);
+	glPopMatrix();
+	}
+
+    glPopMatrix();
+
+    glFlush();
+
+    uglMesaSwapBuffers();
+    }
+
+UGL_LOCAL float MyRand(void)
+    {
+    return 10.0 * ( (float) rand() / (float) RAND_MAX - 0.5 );
+    }
+
+UGL_LOCAL void ReInit(void)
+    {
+    int i;
+    float deviation;
+
+    deviation = MyRand() / 2;
+    deviation = deviation * deviation;
+    for (i = 0; i < RINGS; i++)
+	{
+	offsets[i][0] = MyRand();
+	offsets[i][1] = MyRand();
+	offsets[i][2] = MyRand();
+	angs[i] = 260.0 * MyRand();
+	rotAxis[i][0] = MyRand();
+	rotAxis[i][1] = MyRand();
+	rotAxis[i][2] = MyRand();
+	iters[i] = (deviation * MyRand() + 60.0);
+	}
+    }
+
+UGL_LOCAL void initGL(void)
+    {
+    float base, height;
+    float aspect, x, y;
+    int i;
+
+    float top_y = 1.0;
+    float bottom_y = 0.0;
+    float top_z = 0.15;
+    float bottom_z = 0.69;
+    float spacing = 2.5;
+    static float lmodel_ambient[] = {0.0, 0.0, 0.0, 0.0};
+    static float lmodel_twoside[] = {GL_FALSE};
+    static float lmodel_local[] = {GL_FALSE};
+    static float light0_ambient[] = {0.1, 0.1, 0.1, 1.0};
+    static float light0_diffuse[] = {1.0, 1.0, 1.0, 0.0};
+    static float light0_position[] = {0.8660254, 0.5, 1, 0};
+    static float light0_specular[] = {1.0, 1.0, 1.0, 0.0};
+    static float bevel_mat_ambient[] = {0.0, 0.0, 0.0, 1.0};
+    static float bevel_mat_shininess[] = {40.0};
+    static float bevel_mat_specular[] = {1.0, 1.0, 1.0, 0.0};
+    static float bevel_mat_diffuse[] = {1.0, 0.0, 0.0, 0.0};
+
+    ReInit();
+
+    for (i = 0; i < RINGS; i++)
+	{
+	rgb_colors[i][0] = rgb_colors[i][1] = rgb_colors[i][2] = 0;
+	}
+    rgb_colors[BLUERING][2] = 255;
+    rgb_colors[REDRING][0] = 255;
+    rgb_colors[GREENRING][1] = 255;
+    rgb_colors[YELLOWRING][0] = 255;
+    rgb_colors[YELLOWRING][1] = 255;
+    mapped_colors[BLUERING] = COLOR_BLUE;
+    mapped_colors[REDRING] = COLOR_RED;
+    mapped_colors[GREENRING] = COLOR_GREEN;
+    mapped_colors[YELLOWRING] = COLOR_YELLOW;
+    mapped_colors[BLACKRING] = COLOR_BLACK;
+
+    dests[BLUERING][0] = -spacing;
+    dests[BLUERING][1] = top_y;
+    dests[BLUERING][2] = top_z;
+
+    dests[BLACKRING][0] = 0.0;
+    dests[BLACKRING][1] = top_y;
+    dests[BLACKRING][2] = top_z;
+
+    dests[REDRING][0] = spacing;
+    dests[REDRING][1] = top_y;
+    dests[REDRING][2] = top_z;
+
+    dests[YELLOWRING][0] = -spacing / 2.0;
+    dests[YELLOWRING][1] = bottom_y;
+    dests[YELLOWRING][2] = bottom_z;
+
+    dests[GREENRING][0] = spacing / 2.0;
+    dests[GREENRING][1] = bottom_y;
+    dests[GREENRING][2] = bottom_z;
+
+    base = 2.0;
+    height = 2.0;
+    theTorus = glGenLists(1);
+    glNewList(theTorus, GL_COMPILE);
+    FillTorus(0.1, 8, 1.0, 25);
+    glEndList();
+
+    x = (float)XSIZE;
+    y = (float)YSIZE;
+    aspect = x / y;
+    glEnable(GL_CULL_FACE);
+    glCullFace(GL_BACK);
+    glEnable(GL_DEPTH_TEST);
+    glClearDepth(1.0);
+
+    if (rgb)
+	{
+	glClearColor(0.5, 0.5, 0.5, 0.0);
+	glLightfv(GL_LIGHT0, GL_AMBIENT, light0_ambient);
+	glLightfv(GL_LIGHT0, GL_DIFFUSE, light0_diffuse);
+	glLightfv(GL_LIGHT0, GL_SPECULAR, light0_specular);
+	glLightfv(GL_LIGHT0, GL_POSITION, light0_position);
+	glEnable(GL_LIGHT0);
+
+	glLightModelfv(GL_LIGHT_MODEL_LOCAL_VIEWER, lmodel_local);
+	glLightModelfv(GL_LIGHT_MODEL_TWO_SIDE, lmodel_twoside);
+	glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
+	glEnable(GL_LIGHTING);
+
+	glMaterialfv(GL_FRONT, GL_AMBIENT, bevel_mat_ambient);
+	glMaterialfv(GL_FRONT, GL_SHININESS, bevel_mat_shininess);
+	glMaterialfv(GL_FRONT, GL_SPECULAR, bevel_mat_specular);
+	glMaterialfv(GL_FRONT, GL_DIFFUSE, bevel_mat_diffuse);
+
+	glColorMaterial(GL_FRONT_AND_BACK, GL_DIFFUSE);
+	glEnable(GL_COLOR_MATERIAL);
+	glShadeModel(GL_SMOOTH);
+	}
+    else
+	{
+	glClearIndex(BACKGROUND);
+	glShadeModel(GL_FLAT);
+	}
+
+    glMatrixMode(GL_PROJECTION);
+    gluPerspective(45, 1.33, 0.1, 100.0);
+    glMatrixMode(GL_MODELVIEW);
+    }
+
+UGL_LOCAL void echoUse(void)
+    {
+    printf("tOlympic keys:\n");
+    printf("       SPACE  Reinitialize\n");
+    printf("         ESC  Exit\n");
+    }
+
+UGL_LOCAL void readKey (UGL_WCHAR key)
+    {
+    switch(key)
+	{
+	case UGL_UNI_SPACE:
+	    ReInit();
+	    break;
+	case UGL_UNI_ESCAPE:
+	    stopWex = 1;
+	    break;
+	}
+    }
+
+UGL_LOCAL void loopEvent(void)
+    {
+    UGL_EVENT event;
+    UGL_INPUT_EVENT * pInputEvent;
+ 
+    UGL_FOREVER
+	{
+	if (uglEventGet (qId, &event, sizeof (event), UGL_NO_WAIT)
+	    != UGL_STATUS_Q_EMPTY)
+            {
+	    pInputEvent = (UGL_INPUT_EVENT *)&event;
+	    
+	    if (pInputEvent->header.type == UGL_EVENT_TYPE_KEYBOARD &&
+		pInputEvent->modifiers & UGL_KEYBOARD_KEYDOWN)
+		readKey(pInputEvent->type.keyboard.key);
+	    }
+
+	drawGL();
+	if (stopWex)
+            break;
+	}
+    }
+
+void windMLOlympic (UGL_BOOL windMLMode);
+
+void uglolympic (void)
+    {
+    taskSpawn("tOlympic", 210, VX_FP_TASK, 100000, (FUNCPTR)windMLOlympic,
+              0,1,2,3,4,5,6,7,8,9);
+    }
+
+void windMLOlympic(UGL_BOOL windMLMode)
+    {
+    UGL_INPUT_DEVICE_ID keyboardDevId;
+    
+    uglInitialize();
+    
+    uglDriverFind (UGL_KEYBOARD_TYPE, 0, (UGL_UINT32 *)&keyboardDevId);
+    
+    if (uglDriverFind (UGL_EVENT_SERVICE_TYPE, 0,
+                       (UGL_UINT32 *)&eventServiceId) == UGL_STATUS_OK)
+        {
+        qId = uglEventQCreate (eventServiceId, 100);
+        }
+    else 
+        {
+        eventServiceId = UGL_NULL;
+        }
+
+    if (windMLMode)
+       umc = uglMesaCreateNewContext(UGL_MESA_DOUBLE
+				     | UGL_MESA_WINDML_EXCLUSIVE, NULL);
+    else
+       umc = uglMesaCreateNewContext(UGL_MESA_DOUBLE, NULL);
+    
+    if (umc == NULL)
+        {
+	uglDeinitialize();
+	return;
+        }
+
+    uglMesaMakeCurrentContext(umc, 0, 0, UGL_MESA_FULLSCREEN_WIDTH,
+			      UGL_MESA_FULLSCREEN_HEIGHT);
+
+    uglMesaGetIntegerv(UGL_MESA_RGB, &rgb);
+    
+    initGL();
+
+    echoUse();
+
+    stopWex = 0;
+    loopEvent();
+    
+    if (eventServiceId != UGL_NULL)
+	uglEventQDestroy (eventServiceId, qId);
+    
+    uglMesaDestroyContext();
+    uglDeinitialize();
+    
+    return;
+    }
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/windml/uglpoint.c b/nx-X11/extras/Mesa_6.4.2/progs/windml/uglpoint.c
new file mode 100644
index 000000000..49c432c3a
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/windml/uglpoint.c
@@ -0,0 +1,277 @@
+
+/* uglpoint.c - WindML/Mesa example program */
+
+/* Copyright (C) 2001 by Wind River Systems, Inc */
+
+/*
+ * Mesa 3-D graphics library
+ * Version:  3.5
+ *
+ * The MIT License
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+/*
+ * Authors:
+ * Stephane Raimbault <stephane.raimbault@windriver.com> 
+ */
+
+/*
+DESCRIPTION
+Draw a single point.
+*/
+
+#include <stdio.h>
+#include <math.h>
+
+#include <ugl/ugl.h>
+#include <ugl/uglevent.h>
+#include <ugl/uglinput.h>
+
+#include <GL/uglmesa.h>
+
+#define DOUBLE_BUFFER GL_TRUE
+
+enum {
+    BLACK = 0,
+    RED,
+    GREEN,
+    BLUE,
+    WHITE
+};
+
+UGL_LOCAL GLuint rgb;
+UGL_LOCAL UGL_EVENT_SERVICE_ID eventServiceId;
+UGL_LOCAL UGL_EVENT_Q_ID qId;
+UGL_LOCAL UGL_MESA_CONTEXT umc;
+UGL_LOCAL GLint angleT;
+
+UGL_LOCAL void initGL (void)
+    {
+    /* By passed in RGB mode */
+    uglMesaSetColor(BLACK, 0.0, 0.0, 0.0);
+    uglMesaSetColor(RED, 1.0, 0.0, 0.0);
+    uglMesaSetColor(GREEN, 0.0, 1.0, 0.0);
+    uglMesaSetColor(BLUE, 0.0, 0.0, 1.0);
+    uglMesaSetColor(WHITE, 1.0, 1.0, 1.0);
+    
+    glOrtho(0.0, 1.0, 0.0, 1.0, -20.0, 20.0);
+    
+    glClearColor(0.0, 0.0, 0.0, 0.0);
+    glClearIndex(BLACK);
+    }
+
+UGL_LOCAL void drawGL (void)
+    {
+    GLint i;
+    GLfloat x, y;
+
+    /* Avoid blinking in single buffer */
+    
+    if (DOUBLE_BUFFER)
+	glClear(GL_COLOR_BUFFER_BIT);    
+
+    /* Random points */
+
+    glBegin(GL_POINTS);
+    (rgb) ? glColor3f(1.0, 0.0, 0.0): glIndexi(RED);
+
+    for (i=0; i<150; i++)
+	{
+	x = rand() / (RAND_MAX+1.0);
+        y = rand() / (RAND_MAX+1.0);
+	glVertex2f(x, y);
+	}
+
+    (rgb) ? glColor3f(0.0, 1.0, 0.0): glIndexi(GREEN);
+
+    for (i=0; i<150; i++)
+	{
+	x = (rand() / (RAND_MAX+1.0));
+        y = (rand() / (RAND_MAX+1.0));
+	glVertex2f(x, y);
+	}
+
+    (rgb) ? glColor3f(0.0, 0.0, 1.0): glIndexi(BLUE);
+    glVertex2f(0.5,0.5);
+    
+    for (i=0; i<150; i++)
+	{
+	x = rand() / (RAND_MAX+1.0);
+        y = rand() / (RAND_MAX+1.0);
+	glVertex2f(x, y);
+	}
+
+    glEnd();
+
+    /* Smooth triangle */
+
+    glPushMatrix();
+    glTranslatef(0.5, 0.5, 0);    
+    glRotatef(angleT, 1.0, -1.0, 0.0);
+    angleT = angleT++ % 360;
+    glBegin(GL_TRIANGLES);
+    (rgb) ? glColor3f(1.0, 0.0, 0.0): glIndexi(RED);  
+    glVertex2f(0.75, 0.25);
+    (rgb) ? glColor3f(0.0, 1.0, 0.0): glIndexi(GREEN);  
+    glVertex2f(0.75, 0.75);
+    (rgb) ? glColor3f(0.0, 0.0, 1.0): glIndexi(BLUE);  
+    glVertex2f(0.25, 0.75);
+    glEnd();
+    glPopMatrix();
+
+    /* Flush and swap */
+
+    glFlush();
+    
+    uglMesaSwapBuffers();
+    }
+
+/************************************************************************
+*
+* getEvent
+*
+* RETURNS: true or false
+*
+* NOMANUAL
+*
+*/
+
+UGL_LOCAL int getEvent(void)
+    {
+    UGL_EVENT event;
+    UGL_STATUS status;
+    int retVal = 0;
+
+    status = uglEventGet (qId, &event, sizeof (event), UGL_NO_WAIT);
+
+    while (status != UGL_STATUS_Q_EMPTY)
+        {
+	UGL_INPUT_EVENT * pInputEvent = (UGL_INPUT_EVENT *)&event;
+	
+	if (pInputEvent->modifiers & UGL_KEYBOARD_KEYDOWN)
+	    retVal = 1;
+
+	status = uglEventGet (qId, &event, sizeof (event), UGL_NO_WAIT);
+        }
+ 
+    return(retVal);
+    }
+
+void windMLPoint (UGL_BOOL windMLMode);
+
+void uglpoint (void)
+    {
+    taskSpawn ("tPoint", 210, VX_FP_TASK, 100000,
+	       (FUNCPTR)windMLPoint, UGL_FALSE,1,2,3,4,5,6,7,8,9);
+    }
+
+void windMLPoint (UGL_BOOL windMLMode)
+    {
+    GLubyte pPixels[4];
+    GLsizei width, height;
+    UGL_INPUT_DEVICE_ID keyboardDevId;
+    
+    angleT = 0;
+
+    uglInitialize();
+    
+    uglDriverFind (UGL_KEYBOARD_TYPE, 0, (UGL_UINT32 *)&keyboardDevId);
+    
+    if (uglDriverFind (UGL_EVENT_SERVICE_TYPE, 0,
+                       (UGL_UINT32 *)&eventServiceId) == UGL_STATUS_OK)
+        {
+        qId = uglEventQCreate (eventServiceId, 100);
+        }
+    else 
+        {
+        eventServiceId = UGL_NULL;
+        }
+    
+    if (DOUBLE_BUFFER)
+	{
+	if (windMLMode)
+	    umc = uglMesaCreateNewContext(UGL_MESA_DOUBLE
+					  | UGL_MESA_WINDML_EXCLUSIVE, NULL);
+	else
+	    umc = uglMesaCreateNewContext(UGL_MESA_DOUBLE, NULL);
+	}
+    else
+	{
+	if (windMLMode)
+	    umc = uglMesaCreateNewContext(UGL_MESA_SINGLE
+					  | UGL_MESA_WINDML_EXCLUSIVE, NULL);
+	else
+	    umc = uglMesaCreateNewContext(UGL_MESA_SINGLE, NULL);
+	}
+
+    if (umc == NULL)
+        {
+	uglDeinitialize();
+	return;
+        }
+
+    /* Fullscreen */
+
+    uglMesaMakeCurrentContext(umc, 0, 0, UGL_MESA_FULLSCREEN_WIDTH,
+			      UGL_MESA_FULLSCREEN_HEIGHT);
+    
+    /* RGB or CI ? */
+
+    uglMesaGetIntegerv(UGL_MESA_RGB, &rgb);
+    
+    initGL();
+
+    while (!getEvent())
+	drawGL();
+    
+    uglMesaGetIntegerv(UGL_MESA_WIDTH, &width);
+    uglMesaGetIntegerv(UGL_MESA_HEIGHT, &height);
+    
+    printf ("glReadPixel return ");
+    if (rgb)
+	{
+	glReadPixels(width/2, height/2,
+		     1, 1, GL_RGB,
+		     GL_UNSIGNED_BYTE, pPixels);  
+	glFlush();
+	printf ("R:%i G:%i B:%i (RGB)", pPixels[0], pPixels[1], pPixels[2]);
+	}
+    else
+	{
+	glReadPixels(width/2, height/2,
+		     1, 1, GL_COLOR_INDEX,
+		     GL_UNSIGNED_BYTE, pPixels);  
+	glFlush();
+	if (pPixels[0] == BLUE)
+	    printf ("BLUE (CI)");
+	else
+	    printf ("%i (CI))", pPixels[0]);
+	}
+
+    printf(" for %ix%i\n", width/2, height/2);
+    
+    if (eventServiceId != UGL_NULL)
+	uglEventQDestroy (eventServiceId, qId);
+    
+    uglMesaDestroyContext();
+    uglDeinitialize();
+    
+    return;
+    }
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/windml/uglstencil.c b/nx-X11/extras/Mesa_6.4.2/progs/windml/uglstencil.c
new file mode 100644
index 000000000..07e8fc626
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/windml/uglstencil.c
@@ -0,0 +1,242 @@
+
+/* Copyright (c) Mark J. Kilgard, 1994. */
+
+/*
+ * (c) Copyright 1993, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
+ */
+/*  stencil.c
+ *  This program draws two rotated tori in a window.
+ *  A diamond in the center of the window masks out part
+ *  of the scene.  Within this mask, a different model
+ *  (a sphere) is drawn in a different color.
+ */
+
+/*
+ * Conversion to UGL/Mesa by Stephane Raimbault, 2001
+ */
+
+#include <stdio.h>
+#include <math.h>
+
+#include <ugl/ugl.h>
+#include <ugl/uglevent.h>
+#include <ugl/uglinput.h>
+
+#include <GL/uglmesa.h>
+#include <GL/glu.h>
+#include <GL/uglglutshapes.h>
+
+#define YELLOWMAT   1
+#define BLUEMAT 2
+
+UGL_LOCAL UGL_EVENT_SERVICE_ID eventServiceId;
+UGL_LOCAL UGL_EVENT_Q_ID qId;
+UGL_LOCAL UGL_MESA_CONTEXT umc;
+
+UGL_LOCAL void initGL (GLsizei w, GLsizei h)
+    {
+    GLfloat yellow_diffuse[] = { 0.7, 0.7, 0.0, 1.0 };
+    GLfloat yellow_specular[] = { 1.0, 1.0, 1.0, 1.0 };
+
+    GLfloat blue_diffuse[] = { 0.1, 0.1, 0.7, 1.0 };
+    GLfloat blue_specular[] = { 0.1, 1.0, 1.0, 1.0 };
+
+    GLfloat position_one[] = { 1.0, 1.0, 1.0, 0.0 };
+
+    glNewList(YELLOWMAT, GL_COMPILE);
+    glMaterialfv(GL_FRONT, GL_DIFFUSE, yellow_diffuse);
+    glMaterialfv(GL_FRONT, GL_SPECULAR, yellow_specular);
+    glMaterialf(GL_FRONT, GL_SHININESS, 64.0);
+    glEndList();
+
+    glNewList(BLUEMAT, GL_COMPILE);
+    glMaterialfv(GL_FRONT, GL_DIFFUSE, blue_diffuse);
+    glMaterialfv(GL_FRONT, GL_SPECULAR, blue_specular);
+    glMaterialf(GL_FRONT, GL_SHININESS, 45.0);
+    glEndList();
+
+    glLightfv(GL_LIGHT0, GL_POSITION, position_one);
+
+    glEnable(GL_LIGHT0);
+    glEnable(GL_LIGHTING);
+    glDepthFunc(GL_LESS);
+    glEnable(GL_DEPTH_TEST);
+
+    glClearStencil(0x0);
+    glEnable(GL_STENCIL_TEST);
+
+    glClear(GL_STENCIL_BUFFER_BIT);
+
+/* create a diamond shaped stencil area */
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glOrtho(-3.0, 3.0, -3.0, 3.0, -1.0, 1.0);
+    glMatrixMode(GL_MODELVIEW);
+    glLoadIdentity();
+
+    glStencilFunc (GL_ALWAYS, 0x1, 0x1);
+    glStencilOp (GL_REPLACE, GL_REPLACE, GL_REPLACE);
+    glBegin(GL_QUADS);
+	glVertex3f (-1.0, 0.0, 0.0);
+	glVertex3f (0.0, 1.0, 0.0);
+	glVertex3f (1.0, 0.0, 0.0);
+	glVertex3f (0.0, -1.0, 0.0);
+    glEnd();
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    gluPerspective(45.0, (GLfloat) w/(GLfloat) h, 3.0, 7.0);
+    glMatrixMode(GL_MODELVIEW);
+    glLoadIdentity();
+    glTranslatef(0.0, 0.0, -5.0);
+    }
+
+/*  Draw a sphere in a diamond-shaped section in the
+ *  middle of a window with 2 tori.
+ */
+UGL_LOCAL void drawGL(void)
+    {
+    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+    glStencilOp (GL_KEEP, GL_KEEP, GL_KEEP);
+
+/* draw blue sphere where the stencil is 1 */
+    glStencilFunc (GL_EQUAL, 0x1, 0x1);
+    glCallList (BLUEMAT);
+    glutSolidSphere (0.5, 15, 15);
+ 
+/* draw the tori where the stencil is not 1 */
+    glStencilFunc (GL_NOTEQUAL, 0x1, 0x1);
+    glPushMatrix();
+       glRotatef (45.0, 0.0, 0.0, 1.0);
+       glRotatef (45.0, 0.0, 1.0, 0.0);
+       glCallList (YELLOWMAT);
+       glutSolidTorus (0.275, 0.85, 15, 15);
+       glPushMatrix();
+          glRotatef (90.0, 1.0, 0.0, 0.0);
+	  glutSolidTorus (0.275, 0.85, 15, 15);
+       glPopMatrix();
+    glPopMatrix();
+
+    glFlush();
+
+    uglMesaSwapBuffers();
+    }
+
+UGL_LOCAL int getEvent(void)
+    {
+    UGL_EVENT event;
+    UGL_STATUS status;
+    int retVal = 0;
+
+    status = uglEventGet (qId, &event, sizeof (event), UGL_NO_WAIT);
+
+    while (status != UGL_STATUS_Q_EMPTY)
+        {
+	UGL_INPUT_EVENT * pInputEvent = (UGL_INPUT_EVENT *)&event;
+	
+	if (pInputEvent->modifiers & UGL_KEYBOARD_KEYDOWN)
+	    retVal = 1;
+
+	status = uglEventGet (qId, &event, sizeof (event), UGL_NO_WAIT);
+        }
+ 
+    return(retVal);
+    }
+
+void windMLStencil (UGL_BOOL windMLMode);
+
+void uglstencil (void)
+    {
+    taskSpawn("tStencil", 210, VX_FP_TASK, 100000,
+	      (FUNCPTR)windMLStencil,UGL_FALSE,1,2,3,4,5,6,7,8,9);
+    }
+
+void windMLStencil(UGL_BOOL windMLMode)
+    {
+    UGL_INPUT_DEVICE_ID keyboardDevId;
+    GLsizei width, height;
+    
+    uglInitialize();
+    
+    uglDriverFind (UGL_KEYBOARD_TYPE, 0, (UGL_UINT32 *)&keyboardDevId);
+    
+    uglDriverFind (UGL_EVENT_SERVICE_TYPE, 0, (UGL_UINT32 *)&eventServiceId);
+	    
+    qId = uglEventQCreate (eventServiceId, 100);
+
+    if (windMLMode)
+       umc = uglMesaCreateNewContextExt(UGL_MESA_SINGLE
+					| UGL_MESA_WINDML_EXCLUSIVE,
+					16,
+					8,
+					0,0,0,0,
+					NULL);
+    else
+       umc = uglMesaCreateNewContextExt(UGL_MESA_SINGLE,
+					16,
+					8,
+					0,0,0,0,
+					NULL);
+
+    if (umc == NULL)
+	{
+	uglDeinitialize();
+	return;
+	}
+
+    /* Fullscreen */
+
+    uglMesaMakeCurrentContext(umc, 0, 0, UGL_MESA_FULLSCREEN_WIDTH,
+			      UGL_MESA_FULLSCREEN_HEIGHT);
+    
+    uglMesaGetIntegerv(UGL_MESA_WIDTH, &width);
+    uglMesaGetIntegerv(UGL_MESA_HEIGHT, &height);
+    
+    initGL(width, height);
+
+    drawGL();
+	    
+    while (!getEvent());
+	    
+    uglEventQDestroy (eventServiceId, qId);
+    
+    uglMesaDestroyContext();
+    uglDeinitialize();
+    
+    return;
+    }
+
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/windml/uglteapot.c b/nx-X11/extras/Mesa_6.4.2/progs/windml/uglteapot.c
new file mode 100644
index 000000000..651fe0990
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/windml/uglteapot.c
@@ -0,0 +1,295 @@
+/*
+ * Mesa 3-D graphics library
+ * Version:  3.5
+ *
+ * The MIT License
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+/*
+ * Linux Magazine July 2001
+ * Conversion to UGL/Mesa from GLUT by Stephane Raimbault, 2001
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <math.h>
+
+#include <ugl/ugl.h>
+#include <ugl/uglevent.h>
+#include <ugl/uglinput.h>
+#include <ugl/uglucode.h>
+
+#include <GL/uglmesa.h>
+#include <GL/glu.h>
+
+/* Need GLUT_SHAPES */
+
+#include <GL/uglglutshapes.h>
+
+#ifndef PI
+#define PI 3.14159265
+#endif
+
+UGL_LOCAL UGL_EVENT_SERVICE_ID eventServiceId;
+UGL_LOCAL UGL_EVENT_Q_ID qId;
+UGL_LOCAL UGL_MESA_CONTEXT umc;
+UGL_LOCAL volatile UGL_BOOL stopWex;
+
+UGL_LOCAL GLint angle;
+UGL_LOCAL GLfloat Sin[360], Cos[360];
+UGL_LOCAL GLfloat L0pos[]={0.0, 2.0, -1.0};
+UGL_LOCAL GLfloat L0dif[]={0.3, 0.3, 0.8};
+UGL_LOCAL GLfloat L1pos[]={2.0, 2.0, 2.0};
+UGL_LOCAL GLfloat L1dif[]={0.5, 0.5, 0.5};
+UGL_LOCAL GLfloat Mspec[3];
+UGL_LOCAL GLfloat Mshiny;
+UGL_LOCAL GLuint theTeapot;
+
+UGL_LOCAL void calcTableCosSin()
+{
+	int i;
+	for(i=0;i<360;i++) {
+		Cos[i] = cos(((float)i)/180.0*PI);
+		Sin[i] = sin(((float)i)/180.0*PI);
+	}
+}
+
+UGL_LOCAL void initGL(void)
+    {
+    glClearColor(0.0, 0.0, 0.0, 0.0);
+    glColor3f(1.0, 0.0, 0.0);
+    glEnable(GL_DEPTH_TEST);
+    
+    glShadeModel(GL_SMOOTH);
+    glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER, GL_TRUE);
+    glEnable(GL_LIGHTING);
+    glEnable(GL_LIGHT0);
+    glEnable(GL_LIGHT1);
+    glLightfv(GL_LIGHT0, GL_DIFFUSE, L0dif);
+    glLightfv(GL_LIGHT0, GL_SPECULAR, L0dif);
+    glLightfv(GL_LIGHT1, GL_DIFFUSE, L1dif);
+    glLightfv(GL_LIGHT1, GL_SPECULAR, L1dif);
+    
+    glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, Mspec);
+    glMaterialf(GL_FRONT_AND_BACK, GL_SHININESS, Mshiny);
+    
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    gluPerspective(45.0, 1.0, 0.1, 10.0);
+    glMatrixMode(GL_MODELVIEW);
+
+    theTeapot = glGenLists(1);
+    glNewList(theTeapot, GL_COMPILE);
+    glutSolidTeapot(1.0);
+    glEndList();
+
+    }
+
+UGL_LOCAL void drawGL()
+    {
+    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+    
+    glLoadIdentity();
+    
+    gluLookAt(4.5*Cos[angle], 2.0,4.5*Sin[angle],0.0,0.0,0.0,0.0,
+	      1.0,0.0);
+    glLightfv(GL_LIGHT0, GL_POSITION, L0pos);
+    glLightfv(GL_LIGHT1, GL_POSITION, L1pos);
+
+    glCallList(theTeapot);
+
+    glFlush();
+    
+    uglMesaSwapBuffers();
+    }
+
+UGL_LOCAL void echoUse(void)
+    {
+    printf("tTeapot keys:\n");
+    printf("        Left  Counter clockwise rotation (y-axis)\n");
+    printf("       Right  Clockwise rotation (y-axis)\n");
+    printf("           j  Enable/disable Light0\n");
+    printf("           k  Enable/disable Light1\n");
+    printf("           m  Add specular\n");
+    printf("           l  Remove specular\n");
+    printf("           o  Add shininess\n");
+    printf("           p  Remove shininess\n");
+    printf("         ESC  Exit\n");
+    }
+
+
+UGL_LOCAL void readKey (UGL_WCHAR key)
+    {
+    switch(key)
+	{
+	case UGL_UNI_RIGHT_ARROW:
+	    angle +=2;
+	    if (angle>= 360)
+		angle-=360;
+	    break;
+	case UGL_UNI_LEFT_ARROW:
+	    angle -=2;
+	    if (angle<0)
+		angle+=360;
+	    break;
+	case 'j':
+	    glIsEnabled(GL_LIGHT0) ?
+		glDisable(GL_LIGHT0) : glEnable(GL_LIGHT0);
+	    break;
+	case 'k':
+	    glIsEnabled(GL_LIGHT1) ?
+		glDisable(GL_LIGHT1) : glEnable(GL_LIGHT1);
+	    break;
+	case 'm':
+	    Mspec[0]+=0.1;
+	    if(Mspec[0]>1)
+		Mspec[0]=1;
+	    Mspec[1]+=0.1;
+	    if(Mspec[1]>1)
+		Mspec[1]=1;
+	    Mspec[2]+=0.1;
+	    if(Mspec[2]>1)
+		Mspec[2]=1;
+	    glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, Mspec);
+	    break;
+	case 'l':
+	    Mspec[0]-=0.1;
+	    if(Mspec[0]>1)
+		Mspec[0]=1;
+	    Mspec[1]-=0.1;
+	    if(Mspec[1]>1)
+		Mspec[1]=1;
+	    Mspec[2]-=0.1;
+	    if(Mspec[2]>1)
+		Mspec[2]=1;
+	    glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, Mspec);
+	    break;
+	case 'o':
+	    Mshiny -= 1;
+	    if (Mshiny<0)
+		Mshiny=0;
+	    glMaterialf(GL_FRONT_AND_BACK, GL_SHININESS, Mshiny);
+	    break;
+	case 'p':
+	    Mshiny += 1;
+	    if (Mshiny>128)
+		Mshiny=128;
+	    glMaterialf(GL_FRONT_AND_BACK, GL_SHININESS, Mshiny);
+	    break;
+	case UGL_UNI_ESCAPE:
+	    stopWex = UGL_TRUE;
+	    break;
+	}
+    }
+
+UGL_LOCAL void loopEvent(void)
+    {
+    UGL_EVENT event;
+    UGL_INPUT_EVENT * pInputEvent;
+ 
+    UGL_FOREVER
+	{
+	if (uglEventGet (qId, &event, sizeof (event), UGL_NO_WAIT)
+	    != UGL_STATUS_Q_EMPTY)
+            {
+	    pInputEvent = (UGL_INPUT_EVENT *)&event;
+	    
+	    if (pInputEvent->header.type == UGL_EVENT_TYPE_KEYBOARD &&
+		pInputEvent->modifiers & UGL_KEYBOARD_KEYDOWN)
+		readKey(pInputEvent->type.keyboard.key);
+	    }
+
+	drawGL();
+	if (stopWex)
+            break;
+	}
+    }
+
+void windMLTeapot (UGL_BOOL windMLMode);
+
+void uglteapot (void)
+    {
+    taskSpawn ("tTeapot", 210, VX_FP_TASK, 100000, (FUNCPTR)windMLTeapot,
+	       UGL_FALSE,1,2,3,4,5,6,7,8,9);
+    }
+
+void windMLTeapot (UGL_BOOL windMLMode)
+    {
+    UGL_INPUT_DEVICE_ID keyboardDevId;
+    GLsizei displayWidth, displayHeight;
+    GLsizei x, y, w, h;
+    
+    angle = 45;
+    Mspec[0] = 0.5;
+    Mspec[1] = 0.5;
+    Mspec[2] = 0.5;
+    Mshiny = 50;
+    
+    uglInitialize ();
+
+    uglDriverFind (UGL_KEYBOARD_TYPE, 0,
+		   (UGL_UINT32 *)&keyboardDevId);
+
+    uglDriverFind (UGL_EVENT_SERVICE_TYPE, 0, (UGL_UINT32 *)&eventServiceId);
+
+    qId = uglEventQCreate (eventServiceId, 100);
+
+    /* Double buffering */
+    if (windMLMode)
+       umc = uglMesaCreateNewContext(UGL_MESA_DOUBLE
+				     | UGL_MESA_WINDML_EXCLUSIVE, NULL);
+    else
+       umc = uglMesaCreateNewContext(UGL_MESA_DOUBLE, NULL);
+    
+    if (umc == NULL)
+        {
+	uglDeinitialize ();
+	return;
+	}
+
+    uglMesaMakeCurrentContext (umc, 0, 0, 1, 1);
+
+    uglMesaGetIntegerv(UGL_MESA_DISPLAY_WIDTH, &displayWidth);
+    uglMesaGetIntegerv(UGL_MESA_DISPLAY_HEIGHT, &displayHeight);
+    
+    h = (displayHeight*2)/3;
+    w = h;
+    x = (displayWidth-w)/2;
+    y = (displayHeight-h)/2;
+    
+    uglMesaMoveToWindow(x, y);
+    uglMesaResizeToWindow(w, h);
+    
+    calcTableCosSin();
+    
+    initGL ();
+    
+    echoUse();
+
+    stopWex = UGL_FALSE;
+    loopEvent();
+    
+    uglEventQDestroy (eventServiceId, qId);
+    
+    uglMesaDestroyContext();
+    uglDeinitialize ();
+
+    return;
+    }
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/windml/ugltexcube.c b/nx-X11/extras/Mesa_6.4.2/progs/windml/ugltexcube.c
new file mode 100644
index 000000000..62b0306e6
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/windml/ugltexcube.c
@@ -0,0 +1,379 @@
+
+/* ugltexcube.c - WindML/Mesa example program */
+
+/* Copyright (C) 2001 by Wind River Systems, Inc */
+
+/*
+ * Mesa 3-D graphics library
+ * Version:  3.5
+ *
+ * The MIT License
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+/*
+ * Authors:
+ * Stephane Raimbault <stephane.raimbault@windriver.com> 
+ */
+
+/*
+DESCRIPTION
+Draw a textured cube
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+
+#include <ugl/ugl.h>
+#include <ugl/uglevent.h>
+#include <ugl/uglinput.h>
+#include <GL/uglmesa.h>
+#include <GL/glu.h>
+
+#include "../util/readtex.h"
+
+#define IMAGE_FILE "Mesa/images/wrs_logo.rgb"
+
+UGL_LOCAL UGL_EVENT_SERVICE_ID eventServiceId;
+UGL_LOCAL UGL_EVENT_Q_ID qId;
+UGL_LOCAL UGL_MESA_CONTEXT umc;
+
+UGL_LOCAL GLfloat xrot, yrot, zrot;
+UGL_LOCAL GLuint texture[1];
+UGL_LOCAL GLuint theTexCube;
+
+typedef struct {
+   GLubyte *data;
+   int width, height;
+   GLenum format;
+   } TEX_IMAGE;
+
+UGL_LOCAL void cleanUp (void);
+
+UGL_LOCAL void loadGLTexture()
+    {
+    TEX_IMAGE * texImage=NULL;
+
+    texImage = (TEX_IMAGE *) malloc(sizeof(TEX_IMAGE));
+
+    if (texImage == NULL)
+	{
+	printf("Error allocating space for image");
+	cleanUp();
+	exit(1);
+	}
+    
+    texImage->data = LoadRGBImage(IMAGE_FILE, &texImage->width,
+				  &texImage->height, &texImage->format);
+    if (!texImage->data)
+	{
+	printf("Couldn't read %s\n", IMAGE_FILE);
+	free(texImage);
+	cleanUp();
+	exit(1);
+	}
+	
+    /* Create Texture */
+    glGenTextures(1, &texture[0]);
+    glBindTexture(GL_TEXTURE_2D, texture[0]);
+    glTexImage2D(GL_TEXTURE_2D, 0, 3,
+		 texImage->width, texImage->height,
+		 0, GL_RGB, GL_UNSIGNED_BYTE, texImage->data);
+
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+
+    free(texImage->data);
+    free(texImage);
+    }
+
+UGL_LOCAL void initGL(int width, int height)
+    {
+
+    /* Load the texture(s) */
+    loadGLTexture();
+
+    /* Enable texture mapping */
+    glEnable(GL_TEXTURE_2D);
+
+    /* Clear the background color to black */
+    glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
+
+    glEnable(GL_CULL_FACE);
+    
+    /* Enables smooth color shading */
+    glShadeModel(GL_SMOOTH);
+
+/* glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST); */	 
+/* glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST); */
+ 
+    theTexCube = glGenLists(1);
+    glNewList(theTexCube, GL_COMPILE);
+
+    /* Choose the texture to use */
+    glBindTexture(GL_TEXTURE_2D, texture[0]);
+
+    /* Begin drawing a cube */
+    glBegin(GL_QUADS);
+        
+    /* Front face (note that the texture's corners have to match the
+       quad's corners) */
+
+    /* Bottom left of the texture and quad */
+    glTexCoord2f(0.0f, 0.0f);
+    glVertex3f(-1.0f, -1.0f, 1.0f);
+
+    /* Bottom Right Of The Texture and Quad */
+    glTexCoord2f(1.0f, 0.0f);
+    glVertex3f(1.0f, -1.0f, 1.0f);
+
+    /* Top Right Of The Texture and Quad */
+    glTexCoord2f(1.0f, 1.0f);
+    glVertex3f(1.0f, 1.0f, 1.0f);
+    /* Top Left Of The Texture and Quad	*/
+    glTexCoord2f(0.0f, 1.0f);
+    glVertex3f(-1.0f, 1.0f, 1.0f);
+    
+    /* Back Face */
+
+    /* Bottom Right Of The Texture and Quad */
+    glTexCoord2f(1.0f, 0.0f);
+    glVertex3f(-1.0f, -1.0f, -1.0f);
+
+    /* Top Right Of The Texture and Quad */
+    glTexCoord2f(1.0f, 1.0f);
+    glVertex3f(-1.0f, 1.0f, -1.0f);
+
+    /* Top Left Of The Texture and Quad */
+    glTexCoord2f(0.0f, 1.0f);
+    glVertex3f(1.0f, 1.0f, -1.0f);
+
+    /* Bottom Left Of The Texture and Quad */
+    glTexCoord2f(0.0f, 0.0f);
+    glVertex3f(1.0f, -1.0f, -1.0f);
+
+    
+    /* Top Face */
+
+    /* Top Left Of The Texture and Quad */
+    glTexCoord2f(0.0f, 1.0f);
+    glVertex3f(-1.0f, 1.0f, -1.0f);
+
+    /* Bottom Left Of The Texture and Quad */
+    glTexCoord2f(0.0f, 0.0f);
+    glVertex3f(-1.0f, 1.0f, 1.0f);
+
+    /* Bottom Right Of The Texture and Quad */
+    glTexCoord2f(1.0f, 0.0f);
+    glVertex3f(1.0f, 1.0f, 1.0f);
+
+    /* Top Right Of The Texture and Quad */
+    glTexCoord2f(1.0f, 1.0f);
+    glVertex3f(1.0f, 1.0f, -1.0f);
+    
+    /* Bottom Face */
+
+    /* Top Right Of The Texture and Quad */
+    glTexCoord2f(1.0f, 1.0f);
+    glVertex3f(-1.0f, -1.0f, -1.0f);
+
+    /* Top Left Of The Texture and Quad */
+    glTexCoord2f(0.0f, 1.0f);
+    glVertex3f(1.0f, -1.0f, -1.0f);
+
+    /* Bottom Left Of The Texture and Quad */
+    glTexCoord2f(0.0f, 0.0f);
+    glVertex3f(1.0f, -1.0f, 1.0f);
+
+    /* Bottom Right Of The Texture and Quad */
+    glTexCoord2f(1.0f, 0.0f);
+    glVertex3f(-1.0f, -1.0f, 1.0f);
+	
+	
+    /* Right face */
+    /* Bottom Right Of The Texture and Quad */
+    glTexCoord2f(1.0f, 0.0f);
+    glVertex3f(1.0f, -1.0f, -1.0f);
+
+    /* Top Right Of The Texture and Quad */
+    glTexCoord2f(1.0f, 1.0f);
+    glVertex3f(1.0f, 1.0f, -1.0f);
+
+    /* Top Left Of The Texture and Quad */
+    glTexCoord2f(0.0f, 1.0f);
+    glVertex3f(1.0f, 1.0f, 1.0f);
+
+    /* Bottom Left Of The Texture and Quad */
+    glTexCoord2f(0.0f, 0.0f);
+    glVertex3f(1.0f, -1.0f, 1.0f);
+    
+	
+    /* Left Face */
+    /* Bottom Left Of The Texture and Quad */
+    glTexCoord2f(0.0f, 0.0f);
+    glVertex3f(-1.0f, -1.0f, -1.0f);
+
+    /* Bottom Right Of The Texture and Quad */
+    glTexCoord2f(1.0f, 0.0f);
+    glVertex3f(-1.0f, -1.0f, 1.0f);
+
+    /* Top Right Of The Texture and Quad */
+    glTexCoord2f(1.0f, 1.0f);
+    glVertex3f(-1.0f, 1.0f, 1.0f);
+
+    /* Top Left Of The Texture and Quad */
+    glTexCoord2f(0.0f, 1.0f);
+    glVertex3f(-1.0f, 1.0f, -1.0f);
+						   
+    glEnd();		/* done with the polygon */
+    glEndList();
+
+    glDisable(GL_DITHER);
+    glMatrixMode(GL_PROJECTION);
+    /* Reset the projection matrix */
+    glLoadIdentity();
+    /* Calculate the aspect ratio of the window */
+    gluPerspective(45.0f, (GLfloat) width / (GLfloat) height, 0.1f, 100.0f);
+
+    glMatrixMode(GL_MODELVIEW);
+    glLoadIdentity();
+    }
+
+UGL_LOCAL void drawGL() 
+    {
+    glClear(GL_COLOR_BUFFER_BIT);
+
+    /* Reset The View */
+    glPushMatrix();
+    
+    /* Move 8 units into the screen */
+    glTranslatef(0.0f, 0.0f, -8.0f);
+
+    /* Rotate on the X axis */
+    glRotatef(xrot, 1.0f, 0.0f, 0.0f);
+    
+    /* Rotate on the Y axis */
+    glRotatef(yrot, 0.0f, 1.0f, 0.0f);
+
+    /* Rotate On The Z Axis */
+    glRotatef(zrot, 0.0f, 0.0f, 1.0f);
+
+    glCallList(theTexCube);
+    
+    glFlush();
+        
+    uglMesaSwapBuffers();
+
+    glPopMatrix();
+
+    xrot += 1.6f;
+    yrot += 1.6f;
+    zrot += 1.6f;
+} 
+
+UGL_LOCAL int getEvent(void)
+    {
+    UGL_EVENT event;
+    UGL_STATUS status;
+    int retVal = 0;
+
+    status = uglEventGet (qId, &event, sizeof (event), UGL_NO_WAIT);
+
+    while (status != UGL_STATUS_Q_EMPTY)
+        {
+	UGL_INPUT_EVENT * pInputEvent = (UGL_INPUT_EVENT *)&event;
+	
+	if (pInputEvent->modifiers & UGL_KEYBOARD_KEYDOWN)
+	    retVal = 1;
+
+	status = uglEventGet (qId, &event, sizeof (event), UGL_NO_WAIT);
+        }
+ 
+    return(retVal);
+    }
+
+UGL_LOCAL void cleanUp (void)
+    {
+    if (eventServiceId != UGL_NULL)
+	uglEventQDestroy (eventServiceId, qId);
+
+    uglMesaDestroyContext();
+    uglDeinitialize();
+    }
+
+void windMLTexCube (UGL_BOOL windMLMode);
+
+void ugltexcube (void)
+    {
+    taskSpawn("tTexCube", 210, VX_FP_TASK, 100000, (FUNCPTR)windMLTexCube,
+	      UGL_FALSE,1,2,3,4,5,6,7,8,9);
+    }
+
+
+void windMLTexCube(UGL_BOOL windMLMode)
+    {
+    GLuint width, height;
+    UGL_INPUT_DEVICE_ID keyboardDevId;
+    
+    uglInitialize();
+
+    uglDriverFind (UGL_KEYBOARD_TYPE, 0, (UGL_UINT32 *)&keyboardDevId);
+
+    if (uglDriverFind (UGL_EVENT_SERVICE_TYPE, 0,
+                       (UGL_UINT32 *)&eventServiceId) == UGL_STATUS_OK)
+        {
+        qId = uglEventQCreate (eventServiceId, 100);
+        }
+    else 
+        {
+        eventServiceId = UGL_NULL;
+        }
+    
+    if (windMLMode)
+       umc = uglMesaCreateNewContext(UGL_MESA_DOUBLE
+				     | UGL_MESA_WINDML_EXCLUSIVE, NULL);
+    else
+       umc = uglMesaCreateNewContext(UGL_MESA_DOUBLE, NULL);
+
+    if (umc == NULL)
+        {
+	uglDeinitialize();
+	return;
+        }
+
+    uglMesaMakeCurrentContext(umc, 0, 0,
+			      UGL_MESA_FULLSCREEN_WIDTH,
+			      UGL_MESA_FULLSCREEN_HEIGHT);
+			      
+
+    uglMesaGetIntegerv(UGL_MESA_WIDTH, &width);
+    uglMesaGetIntegerv(UGL_MESA_HEIGHT, &height);
+
+    initGL(width, height);
+
+    while(!getEvent())
+	drawGL();
+        
+    cleanUp();
+
+    return;
+    }
+
+
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/windml/ugltexcyl.c b/nx-X11/extras/Mesa_6.4.2/progs/windml/ugltexcyl.c
new file mode 100644
index 000000000..d2fe687b9
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/windml/ugltexcyl.c
@@ -0,0 +1,407 @@
+/*
+ * Textured cylinder demo: lighting, texturing, reflection mapping.
+ *
+ * Brian Paul  May 1997  This program is in the public domain.
+ *
+ * Conversion to UGL/Mesa by Stephane Raimbault
+ */
+
+/*
+ * $Log: ugltexcyl.c,v $
+ * Revision 1.2  2001/09/10 19:21:13  brianp
+ * WindML updates (Stephane Raimbault)
+ *
+ * Revision 1.1  2001/08/20 16:07:11  brianp
+ * WindML driver (Stephane Raimbault)
+ *
+ * Revision 1.5  2001/03/27 17:35:26  brianp
+ * set initial window pos
+ *
+ * Revision 1.4  2000/12/24 22:53:54  pesco
+ * * demos/Makefile.am (INCLUDES): Added -I$(top_srcdir)/util.
+ * * demos/Makefile.X11, demos/Makefile.BeOS-R4, demos/Makefile.cygnus:
+ * Essentially the same.
+ * Program files updated to include "readtex.c", not "../util/readtex.c".
+ * * demos/reflect.c: Likewise for "showbuffer.c".
+ *
+ *
+ * * Makefile.am (EXTRA_DIST): Added top-level regular files.
+ *
+ * * include/GL/Makefile.am (INC_X11): Added glxext.h.
+ *
+ *
+ * * src/GGI/include/ggi/mesa/Makefile.am (EXTRA_HEADERS): Include
+ * Mesa GGI headers in dist even if HAVE_GGI is not given.
+ *
+ * * configure.in: Look for GLUT and demo source dirs in $srcdir.
+ *
+ * * src/swrast/Makefile.am (libMesaSwrast_la_SOURCES): Set to *.[ch].
+ * More source list updates in various Makefile.am's.
+ *
+ * * Makefile.am (dist-hook): Remove CVS directory from distribution.
+ * (DIST_SUBDIRS): List all possible subdirs here.
+ * (SUBDIRS): Only list subdirs selected for build again.
+ * The above two applied to all subdir Makefile.am's also.
+ *
+ * Revision 1.3  2000/09/29 23:09:39  brianp
+ * added fps output
+ *
+ * Revision 1.2  1999/10/21 16:39:06  brianp
+ * added -info command line option
+ *
+ * Revision 1.1.1.1  1999/08/19 00:55:40  jtg
+ * Imported sources
+ *
+ * Revision 3.3  1999/03/28 18:24:37  brianp
+ * minor clean-up
+ *
+ * Revision 3.2  1998/11/05 04:34:04  brianp
+ * moved image files to ../images/ directory
+ *
+ * Revision 3.1  1998/06/23 03:16:51  brianp
+ * added Point/Linear sampling menu items
+ *
+ * Revision 3.0  1998/02/14 18:42:29  brianp
+ * initial rev
+ *
+ */
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <tickLib.h>
+
+#include <ugl/ugl.h>
+#include <ugl/uglucode.h>
+#include <ugl/uglevent.h>
+#include <ugl/uglinput.h>
+
+#include <GL/uglmesa.h>
+#include <GL/glu.h>
+
+#include "../util/readtex.h"
+
+#define TEXTURE_FILE "Mesa/images/reflect.rgb"
+
+#define LIT 1
+#define TEXTURED 2
+#define REFLECT 3
+#define ANIMATE 10
+#define POINT_FILTER 20
+#define LINEAR_FILTER 21
+#define QUIT 100
+#define COUNT_FRAMES
+
+UGL_LOCAL UGL_EVENT_SERVICE_ID eventServiceId;
+UGL_LOCAL UGL_EVENT_Q_ID qId;
+UGL_LOCAL volatile UGL_BOOL stopWex;
+UGL_LOCAL UGL_MESA_CONTEXT umc;
+
+UGL_LOCAL GLuint CylinderObj;
+UGL_LOCAL GLboolean Animate;
+UGL_LOCAL GLboolean linearFilter;
+
+UGL_LOCAL GLfloat Xrot, Yrot, Zrot;
+UGL_LOCAL GLfloat DXrot, DYrot;
+
+UGL_LOCAL GLuint limit;
+UGL_LOCAL GLuint count;
+UGL_LOCAL GLuint tickStart, tickStop, tickBySec;
+
+UGL_LOCAL void cleanUp (void);
+
+UGL_LOCAL void drawGL(void)
+    {
+#ifdef COUNT_FRAMES
+    int time;
+#endif
+
+    glClear( GL_COLOR_BUFFER_BIT );
+    
+    glPushMatrix();
+    glRotatef(Xrot, 1.0, 0.0, 0.0);
+    glRotatef(Yrot, 0.0, 1.0, 0.0);
+    glRotatef(Zrot, 0.0, 0.0, 1.0);
+    glScalef(5.0, 5.0, 5.0);
+    glCallList(CylinderObj);
+    
+    glPopMatrix();
+    
+    uglMesaSwapBuffers();
+    
+    if (Animate)
+	{
+	Xrot += DXrot;
+	Yrot += DYrot;
+	}
+
+#ifdef COUNT_FRAMES
+    if (count > limit)
+        {
+	tickStop = tickGet ();
+	time = (tickStop-tickStart)/tickBySec;
+	printf (" %i fps\n", count/time);
+	tickStart = tickStop;
+	count = 0;
+        }
+    else 
+	count++;
+#endif
+
+    }
+
+UGL_LOCAL void echoUse(void)
+    {
+    printf("Keys:\n");
+    printf("     Up/Down  Rotate on Y\n");
+    printf("  Left/Right  Rotate on X\n");
+    printf("           a  Toggle animation\n");
+    printf("           f  Toggle point/linear filtered\n");
+    printf("           l  Lit\n");
+    printf("           t  Textured\n");
+    printf("           r  Reflect\n"); 
+    printf("         ESC  Exit\n");
+    }
+
+UGL_LOCAL void readKey(UGL_WCHAR key)
+    {
+    float step = 3.0;
+    switch (key)
+	{
+	case 'a':
+	    Animate = !Animate;
+	    break;
+	case 'f':
+	    if(linearFilter)
+		{
+		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
+				GL_NEAREST);
+		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER,
+				GL_NEAREST);
+		}
+	    else
+		{
+		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
+				GL_LINEAR);
+		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER,
+				GL_LINEAR);
+		}
+	    linearFilter = !linearFilter;
+	    break;
+	case 'l':
+	    glEnable(GL_LIGHTING);
+	    glDisable(GL_TEXTURE_2D);
+	    glDisable(GL_TEXTURE_GEN_S);
+	    glDisable(GL_TEXTURE_GEN_T);
+	    break;
+	case 't':
+	    glDisable(GL_LIGHTING);
+	    glEnable(GL_TEXTURE_2D);
+	    glDisable(GL_TEXTURE_GEN_S);
+	    glDisable(GL_TEXTURE_GEN_T);
+	    break;
+	case 'r':
+	    glDisable(GL_LIGHTING);
+	    glEnable(GL_TEXTURE_2D);
+	    glEnable(GL_TEXTURE_GEN_S);
+	    glEnable(GL_TEXTURE_GEN_T);
+	    break;
+	case UGL_UNI_UP_ARROW:
+	    Xrot += step;
+	    break;
+	case UGL_UNI_DOWN_ARROW:
+	    Xrot -= step;
+	    break;
+	case UGL_UNI_LEFT_ARROW:
+	    Yrot += step;
+	    break;
+	case UGL_UNI_RIGHT_ARROW:
+	    Yrot -= step;
+	    break;
+	case UGL_UNI_ESCAPE:
+	    stopWex = UGL_TRUE;
+	    break;
+	}
+    }
+
+UGL_LOCAL void loopEvent(void)
+    {
+    UGL_EVENT event;
+    UGL_INPUT_EVENT * pInputEvent;
+ 
+    UGL_FOREVER
+	{
+	if (uglEventGet (qId, &event, sizeof (event), UGL_NO_WAIT)
+	    != UGL_STATUS_Q_EMPTY)
+            {
+	    pInputEvent = (UGL_INPUT_EVENT *)&event;
+	    
+	    if (pInputEvent->header.type == UGL_EVENT_TYPE_KEYBOARD &&
+		pInputEvent->modifiers & UGL_KEYBOARD_KEYDOWN)
+		readKey(pInputEvent->type.keyboard.key);
+	    }
+	
+	drawGL();
+	if (stopWex)
+            break;
+	}
+    }
+
+UGL_LOCAL void initGL(void)
+    {
+    GLUquadricObj *q = gluNewQuadric();
+    CylinderObj = glGenLists(1);
+    glNewList(CylinderObj, GL_COMPILE);
+
+    glTranslatef(0.0, 0.0, -1.0);
+
+    /* cylinder */
+    gluQuadricNormals(q, GL_SMOOTH);
+    gluQuadricTexture(q, GL_TRUE);
+    gluCylinder(q, 0.6, 0.6, 2.0, 24, 1);
+
+    /* end cap */
+    glTranslatef(0.0, 0.0, 2.0);
+    gluDisk(q, 0.0, 0.6, 24, 1);
+
+    /* other end cap */
+    glTranslatef(0.0, 0.0, -2.0);
+    gluQuadricOrientation(q, GLU_INSIDE);
+    gluDisk(q, 0.0, 0.6, 24, 1);
+
+    glEndList();
+    gluDeleteQuadric(q);
+
+    /* lighting */
+    glEnable(GL_LIGHTING);
+    {
+    GLfloat gray[4] = {0.2, 0.2, 0.2, 1.0};
+    GLfloat white[4] = {1.0, 1.0, 1.0, 1.0};
+    GLfloat teal[4] = { 0.0, 1.0, 0.8, 1.0 };
+    glMaterialfv(GL_FRONT, GL_DIFFUSE, teal);
+    glLightfv(GL_LIGHT0, GL_AMBIENT, gray);
+    glLightfv(GL_LIGHT0, GL_DIFFUSE, white);
+    glEnable(GL_LIGHT0);
+    }
+
+    /* fitering = nearest, initially */
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+
+    glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
+    glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST);
+
+    glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);
+    glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);
+
+    if (!LoadRGBMipmaps(TEXTURE_FILE, GL_RGB))
+	{
+	printf("Error: couldn't load texture image\n");
+	cleanUp();
+	exit(1);
+	}
+    
+    glEnable(GL_CULL_FACE);  /* don't need Z testing for convex objects */
+
+    glEnable(GL_LIGHTING);
+
+    glMatrixMode( GL_PROJECTION );
+    glLoadIdentity();
+    glFrustum( -1.0, 1.0, -1.0, 1.0, 10.0, 100.0 );
+    glMatrixMode( GL_MODELVIEW );
+    glLoadIdentity();
+    glTranslatef( 0.0, 0.0, -70.0 );
+
+    printf("GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+    printf("GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+    printf("GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+    printf("GL_EXTENSIONS = %s\n", (char *) glGetString(GL_EXTENSIONS));
+
+#ifdef COUNT_FRAMES
+    tickStart = tickGet ();
+    tickBySec = sysClkRateGet ();
+#endif
+
+    }
+
+UGL_LOCAL void cleanUp (void)
+    {
+    uglEventQDestroy (eventServiceId, qId);
+    
+    uglMesaDestroyContext();
+    uglDeinitialize ();
+    }
+
+void windMLTexCyl (UGL_BOOL windMLMode);
+
+void ugltexcyl (void)
+    {
+    taskSpawn ("tTexCyl", 210, VX_FP_TASK, 100000, (FUNCPTR)windMLTexCyl,
+	       UGL_FALSE,1,2,3,4,5,6,7,8,9);
+    }
+
+void windMLTexCyl (UGL_BOOL windMLMode)
+    {
+    UGL_INPUT_DEVICE_ID keyboardDevId;
+    GLsizei displayWidth, displayHeight;
+    GLsizei x, y, w, h;
+
+    CylinderObj = 0;
+    Animate = GL_TRUE;
+    linearFilter = GL_FALSE;
+    Xrot = 0.0;
+    Yrot = 0.0;
+    Zrot = 0.0;
+    DXrot = 1.0;
+    DYrot = 2.5;
+    limit = 100;
+    count = 1;
+    
+    uglInitialize ();
+
+    uglDriverFind (UGL_KEYBOARD_TYPE, 0,
+		   (UGL_UINT32 *)&keyboardDevId);
+
+    uglDriverFind (UGL_EVENT_SERVICE_TYPE, 0, (UGL_UINT32 *)&eventServiceId);
+
+    qId = uglEventQCreate (eventServiceId, 100);
+    
+    /* Double buffering */
+    if (windMLMode)
+       umc = uglMesaCreateNewContext(UGL_MESA_DOUBLE
+				     | UGL_MESA_WINDML_EXCLUSIVE, NULL);
+    else
+       umc = uglMesaCreateNewContext(UGL_MESA_DOUBLE, NULL);
+    
+    if (umc == NULL)
+        {
+	uglDeinitialize ();
+	return;
+	}
+
+    uglMesaMakeCurrentContext (umc, 0, 0, 1, 1);
+
+    uglMesaGetIntegerv(UGL_MESA_DISPLAY_WIDTH, &displayWidth);
+    uglMesaGetIntegerv(UGL_MESA_DISPLAY_HEIGHT, &displayHeight);
+    
+    h = (displayHeight*3)/4;
+    w = h;
+    x = (displayWidth-w)/2;
+    y = (displayHeight-h)/2;
+    
+    uglMesaMoveToWindow(x, y);
+    uglMesaResizeToWindow(w, h);
+
+    initGL ();
+    
+    echoUse();
+
+    stopWex = UGL_FALSE;
+    loopEvent();
+
+    cleanUp();
+    
+    return;
+    }
+
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/windml/wrs_logo.bmp b/nx-X11/extras/Mesa_6.4.2/progs/windml/wrs_logo.bmp
new file mode 100644
index 000000000..9a9f04255
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/windml/wrs_logo.bmp
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/xdemos/.cvsignore b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/.cvsignore
new file mode 100644
index 000000000..4adffda2d
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/.cvsignore
@@ -0,0 +1,16 @@
+glthreads
+glxdemo
+glxgears
+glxheads
+glxinfo
+glxpixmap
+glxpbdemo
+glxswapcontrol
+manywin
+offset
+pbinfo
+pbdemo
+wincopy
+xdemo
+xfont
+xrotfontdemo
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/xdemos/Makefile b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/Makefile
new file mode 100644
index 000000000..84122d3b2
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/Makefile
@@ -0,0 +1,83 @@
+# progs/xdemos/Makefile
+
+TOP = ../..
+include $(TOP)/configs/current
+
+
+INCDIR = $(TOP)/include
+
+LIB_DEP = $(LIB_DIR)/$(GL_LIB_NAME) $(LIB_DIR)/$(GLU_LIB_NAME)
+
+PROGS = glthreads \
+	glxdemo \
+	glxgears \
+	glxgears_fbconfig \
+	glxcontexts \
+	glxheads \
+	glxinfo \
+	glxpixmap \
+	glxpbdemo \
+	glxswapcontrol \
+	manywin \
+	offset \
+	overlay \
+	pbinfo \
+	pbdemo \
+	wincopy \
+	xdemo \
+	xfont \
+	xrotfontdemo \
+	yuvrect_client
+
+
+
+##### RULES #####
+
+.SUFFIXES:
+.SUFFIXES: .c
+
+.c: $(LIB_DEP)
+	$(CC) -I$(INCDIR) $(CFLAGS) $< $(APP_LIB_DEPS) -o $@
+
+
+##### TARGETS #####
+
+default: $(PROGS)
+
+
+clean:
+	-rm -f $(PROGS)
+	-rm -f *.o *~
+
+
+# special cases
+pbinfo: pbinfo.o pbutil.o
+	$(CC) $(CFLAGS) pbinfo.o pbutil.o $(APP_LIB_DEPS) -o $@
+
+pbdemo: pbdemo.o pbutil.o
+	$(CC) $(CFLAGS) pbdemo.o pbutil.o $(APP_LIB_DEPS) -o $@
+
+pbinfo.o: pbinfo.c pbutil.h
+	$(CC) -c -I. -I$(INCDIR) $(CFLAGS) pbinfo.c
+
+pbdemo.o: pbdemo.c pbutil.h
+	$(CC) -c -I. -I$(INCDIR) $(CFLAGS) pbdemo.c
+
+pbutil.o: pbutil.c pbutil.h
+	$(CC) -c -I. -I$(INCDIR) $(CFLAGS) pbutil.c
+
+glxgears_fbconfig: glxgears_fbconfig.o pbutil.o
+	$(CC) $(CFLAGS) glxgears_fbconfig.o pbutil.o $(APP_LIB_DEPS) -o $@
+
+glxgears_fbconfig.o: glxgears_fbconfig.c pbutil.h
+	$(CC) $(CFLAGS) -c -I. -I$(INCDIR) $(CFLAGS) glxgears_fbconfig.c
+
+xrotfontdemo: xrotfontdemo.o xuserotfont.o
+	$(CC) $(CFLAGS) xrotfontdemo.o xuserotfont.o $(APP_LIB_DEPS) -o $@
+
+xuserotfont.o: xuserotfont.c xuserotfont.h
+	$(CC) -c -I. -I$(INCDIR) $(CFLAGS) xuserotfont.c
+
+xrotfontdemo.o: xrotfontdemo.c xuserotfont.h
+	$(CC) -c -I. -I$(INCDIR) $(CFLAGS) xrotfontdemo.c
+
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/xdemos/descrip.mms b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/descrip.mms
new file mode 100644
index 000000000..77aff8b0c
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/descrip.mms
@@ -0,0 +1,83 @@
+# Makefile for GLUT-based demo programs for VMS
+# contributed by Jouk Jansen  joukj@hrem.stm.tudelft.nl
+
+
+.first
+	define gl [--.include.gl]
+
+.include [--]mms-config.
+
+##### MACROS #####
+
+INCDIR = ([--.include],[-.util])
+CFLAGS = /include=$(INCDIR)/prefix=all/name=(as_is,short)/nowarn
+
+.ifdef SHARE
+GL_LIBS = $(XLIBS)
+.else
+GL_LIBS = [--.lib]libGLUT/l,libMesaGLU/l,libMesaGL/l,$(XLIBS)
+.endif
+
+LIB_DEP = [--.lib]$(GL_LIB) [--.lib]$(GLU_LIB) [--.lib]$(GLUT_LIB)
+
+PROGS =glthreads.exe,\
+	glxdemo.exe,\
+	glxgears.exe,\
+	glxheads.exe,\
+	glxinfo.exe,\
+	glxpixmap.exe,\
+	manywin.exe,\
+	offset.exe,\
+	pbinfo.exe,\
+	pbdemo.exe,\
+	wincopy.exe,\
+	xdemo.exe,\
+	xfont.exe
+
+##### RULES #####
+.obj.exe :
+	cxxlink $(MMS$TARGET_NAME),$(GL_LIBS)
+
+##### TARGETS #####
+default :
+	$(MMS)$(MMSQUALIFIERS) $(PROGS)
+
+clean :
+	delete *.obj;*
+
+realclean :
+	delete $(PROGS)
+	delete *.obj;*
+
+
+glthreads.exe : glthreads.obj $(LIB_DEP) 
+glxdemo.exe : glxdemo.obj $(LIB_DEP)
+glxgears.exe : glxgears.obj $(LIB_DEP)
+glxheads.exe : glxheads.obj $(LIB_DEP)
+glxinfo.exe : glxinfo.obj $(LIB_DEP)
+glxpixmap.exe : glxpixmap.obj $(LIB_DEP)
+manywin.exe : manywin.obj $(LIB_DEP)
+offset.exe : offset.obj $(LIB_DEP)
+pbinfo.exe : pbinfo.obj pbutil.obj $(LIB_DEP)
+	cxxlink pbinfo.obj,pbutil.obj,$(GL_LIBS)
+pbdemo.exe : pbdemo.obj pbutil.obj $(LIB_DEP)
+	cxxlink pbdemo.obj,pbutil.obj,$(GL_LIBS)
+wincopy.exe : wincopy.obj $(LIB_DEP)
+xdemo.exe : xdemo.obj $(LIB_DEP)
+xfont.exe :xfont.obj $(LIB_DEP)
+
+
+glthreads.obj : glthreads.c 
+glxdemo.obj : glxdemo.c
+glxgears.obj : glxgears.c
+glxheads.obj : glxheads.c
+glxinfo.obj : glxinfo.c
+glxpixmap.obj : glxpixmap.c
+manywin.obj : manywin.c
+offset.obj : offset.c
+pbinfo.obj : pbinfo.c
+pbutil.obj : pbutil.c
+pbdemo.obj : pbdemo.c
+wincopy.obj : wincopy.c
+xdemo.obj : xdemo.c
+xfont.obj :xfont.c
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/xdemos/glthreads.c b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/glthreads.c
new file mode 100644
index 000000000..e3d71ed0a
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/glthreads.c
@@ -0,0 +1,416 @@
+/*
+ * Copyright (C) 2000  Brian Paul   All Rights Reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+/*
+ * This program tests GLX thread safety.
+ * Command line options:
+ *  -n <num threads>         Number of threads to create (default is 2)
+ *  -display <display name>  Specify X display (default is :0.0)
+ *
+ * Brian Paul  20 July 2000
+ */
+
+
+#if defined(PTHREADS)   /* defined by Mesa on Linux and other platforms */
+
+#include <GL/gl.h>
+#include <GL/glx.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <pthread.h>
+
+
+/*
+ * Each window/thread/context:
+ */
+struct winthread {
+   Display *Dpy;
+   int Index;
+   pthread_t Thread;
+   Window Win;
+   GLXContext Context;
+   float Angle;
+   int WinWidth, WinHeight;
+   GLboolean NewSize;
+};
+
+
+#define MAX_WINTHREADS 100
+static struct winthread WinThreads[MAX_WINTHREADS];
+static int NumWinThreads = 0;
+static volatile GLboolean ExitFlag = GL_FALSE;
+
+
+
+static void
+Error(const char *msg)
+{
+   fprintf(stderr, "Error: %s\n", msg);
+   exit(1);
+}
+
+
+/* draw a colored cube */
+static void
+draw_object(void)
+{
+   glPushMatrix();
+   glScalef(0.75, 0.75, 0.75);
+
+   glColor3f(1, 0, 0);
+   glBegin(GL_POLYGON);
+   glVertex3f(1, -1, -1);
+   glVertex3f(1,  1, -1);
+   glVertex3f(1,  1,  1);
+   glVertex3f(1, -1,  1);
+   glEnd();
+
+   glColor3f(0, 1, 1);
+   glBegin(GL_POLYGON);
+   glVertex3f(-1, -1, -1);
+   glVertex3f(-1,  1, -1);
+   glVertex3f(-1,  1,  1);
+   glVertex3f(-1, -1,  1);
+   glEnd();
+
+   glColor3f(0, 1, 0);
+   glBegin(GL_POLYGON);
+   glVertex3f(-1, 1, -1);
+   glVertex3f( 1, 1, -1);
+   glVertex3f( 1, 1,  1);
+   glVertex3f(-1, 1,  1);
+   glEnd();
+
+   glColor3f(1, 0, 1);
+   glBegin(GL_POLYGON);
+   glVertex3f(-1, -1, -1);
+   glVertex3f( 1, -1, -1);
+   glVertex3f( 1, -1,  1);
+   glVertex3f(-1, -1,  1);
+   glEnd();
+
+   glColor3f(0, 0, 1);
+   glBegin(GL_POLYGON);
+   glVertex3f(-1, -1, 1);
+   glVertex3f( 1, -1, 1);
+   glVertex3f( 1,  1, 1);
+   glVertex3f(-1,  1, 1);
+   glEnd();
+
+   glColor3f(1, 1, 0);
+   glBegin(GL_POLYGON);
+   glVertex3f(-1, -1, -1);
+   glVertex3f( 1, -1, -1);
+   glVertex3f( 1,  1, -1);
+   glVertex3f(-1,  1, -1);
+   glEnd();
+   glPopMatrix();
+}
+
+
+/* signal resize of given window */
+static void
+resize(struct winthread *wt, int w, int h)
+{
+   wt->NewSize = GL_TRUE;
+   wt->WinWidth = w;
+   wt->WinHeight = h;
+}
+
+
+/*
+ * We have an instance of this for each thread.
+ */
+static void
+draw_loop(struct winthread *wt)
+{
+   while (!ExitFlag) {
+
+      glXMakeCurrent(wt->Dpy, wt->Win, wt->Context);
+
+      glEnable(GL_DEPTH_TEST);
+
+      if (wt->NewSize) {
+         GLfloat w = (float) wt->WinWidth / (float) wt->WinHeight;
+         glViewport(0, 0, wt->WinWidth, wt->WinHeight);
+         glMatrixMode(GL_PROJECTION);
+         glLoadIdentity();
+         glFrustum(-w, w, -1.0, 1.0, 1.5, 10);
+         glMatrixMode(GL_MODELVIEW);
+         glLoadIdentity();
+         glTranslatef(0, 0, -2.5);
+         wt->NewSize = GL_FALSE;
+      }
+
+      glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+      glPushMatrix();
+         glRotatef(wt->Angle, 0, 0, 1);
+         glRotatef(wt->Angle, 1, 0, 0);
+         glScalef(0.7, 0.7, 0.7);
+         draw_object();
+      glPopMatrix();
+
+      glXSwapBuffers(wt->Dpy, wt->Win);
+
+      wt->Angle += 1.0;
+   }
+}
+
+
+/*
+ * The main process thread runs this loop.
+ */
+static void
+event_loop(Display *dpy)
+{
+   XEvent event;
+   int i;
+
+   while (!ExitFlag) {
+      XNextEvent(dpy, &event);
+      switch (event.type) {
+         case ConfigureNotify:
+            /* Find winthread for this event's window */
+            for (i = 0; i < NumWinThreads; i++) {
+               struct winthread *wt = &WinThreads[i];
+               if (event.xconfigure.window == wt->Win) {
+                  resize(wt, event.xconfigure.width,
+                         event.xconfigure.height);
+                  break;
+               }
+            }
+            break;
+         case KeyPress:
+            /* tell all threads to exit */
+            ExitFlag = GL_TRUE;
+            /*printf("exit draw_loop %d\n", wt->Index);*/
+            return;
+         default:
+            /*no-op*/ ;
+      }
+   }
+}
+
+
+/*
+ * we'll call this once for each thread, before the threads are created.
+ */
+static void
+create_window(struct winthread *wt)
+{
+   Window win;
+   GLXContext ctx;
+   int attrib[] = { GLX_RGBA,
+		    GLX_RED_SIZE, 1,
+		    GLX_GREEN_SIZE, 1,
+		    GLX_BLUE_SIZE, 1,
+                    GLX_DEPTH_SIZE, 1,
+		    GLX_DOUBLEBUFFER,
+		    None };
+   int scrnum;
+   XSetWindowAttributes attr;
+   unsigned long mask;
+   Window root;
+   XVisualInfo *visinfo;
+   int width = 80, height = 80;
+   int xpos = (wt->Index % 10) * 90;
+   int ypos = (wt->Index / 10) * 100;
+
+   scrnum = DefaultScreen(wt->Dpy);
+   root = RootWindow(wt->Dpy, scrnum);
+
+   visinfo = glXChooseVisual(wt->Dpy, scrnum, attrib);
+   if (!visinfo) {
+      Error("Unable to find RGB, Z, double-buffered visual");
+   }
+
+   /* window attributes */
+   attr.background_pixel = 0;
+   attr.border_pixel = 0;
+   attr.colormap = XCreateColormap(wt->Dpy, root, visinfo->visual, AllocNone);
+   attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask;
+   mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
+
+   win = XCreateWindow(wt->Dpy, root, xpos, ypos, width, height,
+		        0, visinfo->depth, InputOutput,
+		        visinfo->visual, mask, &attr);
+   if (!win) {
+      Error("Couldn't create window");
+   }
+
+   {
+      XSizeHints sizehints;
+      sizehints.x = xpos;
+      sizehints.y = ypos;
+      sizehints.width  = width;
+      sizehints.height = height;
+      sizehints.flags = USSize | USPosition;
+      XSetNormalHints(wt->Dpy, win, &sizehints);
+      XSetStandardProperties(wt->Dpy, win, "glthreads", "glthreads",
+                              None, (char **)NULL, 0, &sizehints);
+   }
+
+
+   ctx = glXCreateContext(wt->Dpy, visinfo, NULL, True);
+   if (!ctx) {
+      Error("Couldn't create GLX context");
+   }
+
+   XMapWindow(wt->Dpy, win);
+   XSync(wt->Dpy, 0);
+
+   /* save the info for this window/context */
+   wt->Win = win;
+   wt->Context = ctx;
+   wt->Angle = 0.0;
+   wt->WinWidth = width;
+   wt->WinHeight = height;
+   wt->NewSize = GL_TRUE;
+}
+
+
+/*
+ * Called by pthread_create()
+ */
+static void *
+thread_function(void *p)
+{
+   struct winthread *wt = (struct winthread *) p;
+   draw_loop(wt);
+   return NULL;
+}
+
+
+/*
+ * called before exit to wait for all threads to finish
+ */
+static void
+clean_up(void)
+{
+   int i;
+
+   /* wait for threads to finish */
+   for (i = 0; i < NumWinThreads; i++) {
+      pthread_join(WinThreads[i].Thread, NULL);
+   }
+
+   for (i = 0; i < NumWinThreads; i++) {
+      glXDestroyContext(WinThreads[i].Dpy, WinThreads[i].Context);
+      XDestroyWindow(WinThreads[i].Dpy, WinThreads[i].Win);
+   }
+}
+
+
+
+int
+main(int argc, char *argv[])
+{
+   char *displayName = ":0.0";
+   int numThreads = 2;
+   Display *dpy;
+   int i;
+   Status threadStat;
+
+   if (argc == 1) {
+      printf("threadgl: test of GL thread safety (any key = exit)\n");
+      printf("Usage:\n");
+      printf("  threadgl [-display dpyName] [-n numthreads]\n");
+   }
+   else {
+      int i;
+      for (i = 1; i < argc; i++) {
+         if (strcmp(argv[i], "-display") == 0 && i + 1 < argc) {
+            displayName = argv[i + 1];
+            i++;
+         }
+         else if (strcmp(argv[i], "-n") == 0 && i + 1 < argc) {
+            numThreads = atoi(argv[i + 1]);
+            if (numThreads < 1)
+               numThreads = 1;
+            else if (numThreads > MAX_WINTHREADS)
+               numThreads = MAX_WINTHREADS;
+            i++;
+         }
+      }
+   }
+   
+   /*
+    * VERY IMPORTANT: call XInitThreads() before any other Xlib functions.
+    */
+   threadStat = XInitThreads();
+   if (threadStat) {
+      printf("XInitThreads() returned %d (success)\n", (int) threadStat);
+   }
+   else {
+      printf("XInitThreads() returned 0 (failure- this program may fail)\n");
+   }
+
+
+   dpy = XOpenDisplay(displayName);
+   if (!dpy) {
+      fprintf(stderr, "Unable to open display %s\n", displayName);
+      return -1;
+   }
+
+   NumWinThreads = numThreads;
+
+   /* Create the GLX windows and contexts */
+   for (i = 0; i < numThreads; i++) {
+      WinThreads[i].Dpy = dpy;
+      WinThreads[i].Index = i;
+      create_window(&WinThreads[i]);
+   }
+
+   /* Create the threads */
+   for (i = 0; i < numThreads; i++) {
+      pthread_create(&WinThreads[i].Thread, NULL, thread_function,
+                     (void*) &WinThreads[i]);
+      printf("Created Thread %d\n", (int) WinThreads[i].Thread);
+   }
+
+   event_loop(dpy);
+
+   clean_up();
+
+   XCloseDisplay(dpy);
+
+   return 0;
+}
+
+
+#else /* PTHREADS */
+
+
+#include <stdio.h>
+
+int
+main(int argc, char *argv[])
+{
+   printf("Sorry, this program wasn't compiled with PTHREADS defined.\n");
+   return 0;
+}
+
+
+#endif /* PTHREADS */
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/xdemos/glxcontexts.c b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/glxcontexts.c
new file mode 100644
index 000000000..fbc296ef6
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/glxcontexts.c
@@ -0,0 +1,609 @@
+/*
+ * Copyright (C) 1999-2001  Brian Paul   All Rights Reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/*
+ * This is a port of the infamous "gears" demo to straight GLX (i.e. no GLUT)
+ * Port by Brian Paul  23 March 2001
+ *
+ * Command line options:
+ *    -info      print GL implementation information
+ *    -stereo    use stereo enabled GLX visual
+ *
+ */
+
+
+#include <math.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <X11/Xlib.h>
+#include <X11/keysym.h>
+#include <GL/gl.h>
+#include <GL/glx.h>
+
+
+#define BENCHMARK
+
+#ifdef BENCHMARK
+
+/* XXX this probably isn't very portable */
+
+#include <sys/time.h>
+#include <unistd.h>
+
+/* return current time (in seconds) */
+static double
+current_time(void)
+{
+   struct timeval tv;
+#ifdef __VMS
+   (void) gettimeofday(&tv, NULL );
+#else
+   struct timezone tz;
+   (void) gettimeofday(&tv, &tz);
+#endif
+   return (double) tv.tv_sec + tv.tv_usec / 1000000.0;
+}
+
+#else /*BENCHMARK*/
+
+/* dummy */
+static double
+current_time(void)
+{
+   /* update this function for other platforms! */
+   static double t = 0.0;
+   static int warn = 1;
+   if (warn) {
+      fprintf(stderr, "Warning: current_time() not implemented!!\n");
+      warn = 0;
+   }
+   return t += 1.0;
+}
+
+#endif /*BENCHMARK*/
+
+
+
+#ifndef M_PI
+#define M_PI 3.14159265
+#endif
+
+
+static GLfloat view_rotx = 20.0, view_roty = 30.0, view_rotz = 0.0;
+static GLint gear1, gear2, gear3;
+static GLfloat angle = 0.0;
+
+static GLboolean fullscreen = GL_FALSE;	/* Create a single fullscreen window */
+static GLboolean stereo = GL_FALSE;	/* Enable stereo.  */
+static GLfloat eyesep = 5.0;		/* Eye separation. */
+static GLfloat fix_point = 40.0;	/* Fixation point distance.  */
+static GLfloat left, right, asp;	/* Stereo frustum params.  */
+
+   XVisualInfo *visinfo;
+
+
+/*
+ *
+ *  Draw a gear wheel.  You'll probably want to call this function when
+ *  building a display list since we do a lot of trig here.
+ * 
+ *  Input:  inner_radius - radius of hole at center
+ *          outer_radius - radius at center of teeth
+ *          width - width of gear
+ *          teeth - number of teeth
+ *          tooth_depth - depth of tooth
+ */
+static void
+gear(GLfloat inner_radius, GLfloat outer_radius, GLfloat width,
+     GLint teeth, GLfloat tooth_depth)
+{
+   GLint i;
+   GLfloat r0, r1, r2;
+   GLfloat angle, da;
+   GLfloat u, v, len;
+
+   r0 = inner_radius;
+   r1 = outer_radius - tooth_depth / 2.0;
+   r2 = outer_radius + tooth_depth / 2.0;
+
+   da = 2.0 * M_PI / teeth / 4.0;
+
+   glShadeModel(GL_FLAT);
+
+   glNormal3f(0.0, 0.0, 1.0);
+
+   /* draw front face */
+   glBegin(GL_QUAD_STRIP);
+   for (i = 0; i <= teeth; i++) {
+      angle = i * 2.0 * M_PI / teeth;
+      glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5);
+      glVertex3f(r1 * cos(angle), r1 * sin(angle), width * 0.5);
+      if (i < teeth) {
+	 glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5);
+	 glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da),
+		    width * 0.5);
+      }
+   }
+   glEnd();
+
+   /* draw front sides of teeth */
+   glBegin(GL_QUADS);
+   da = 2.0 * M_PI / teeth / 4.0;
+   for (i = 0; i < teeth; i++) {
+      angle = i * 2.0 * M_PI / teeth;
+
+      glVertex3f(r1 * cos(angle), r1 * sin(angle), width * 0.5);
+      glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), width * 0.5);
+      glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da),
+		 width * 0.5);
+      glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da),
+		 width * 0.5);
+   }
+   glEnd();
+
+   glNormal3f(0.0, 0.0, -1.0);
+
+   /* draw back face */
+   glBegin(GL_QUAD_STRIP);
+   for (i = 0; i <= teeth; i++) {
+      angle = i * 2.0 * M_PI / teeth;
+      glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5);
+      glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5);
+      if (i < teeth) {
+	 glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da),
+		    -width * 0.5);
+	 glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5);
+      }
+   }
+   glEnd();
+
+   /* draw back sides of teeth */
+   glBegin(GL_QUADS);
+   da = 2.0 * M_PI / teeth / 4.0;
+   for (i = 0; i < teeth; i++) {
+      angle = i * 2.0 * M_PI / teeth;
+
+      glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da),
+		 -width * 0.5);
+      glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da),
+		 -width * 0.5);
+      glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), -width * 0.5);
+      glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5);
+   }
+   glEnd();
+
+   /* draw outward faces of teeth */
+   glBegin(GL_QUAD_STRIP);
+   for (i = 0; i < teeth; i++) {
+      angle = i * 2.0 * M_PI / teeth;
+
+      glVertex3f(r1 * cos(angle), r1 * sin(angle), width * 0.5);
+      glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5);
+      u = r2 * cos(angle + da) - r1 * cos(angle);
+      v = r2 * sin(angle + da) - r1 * sin(angle);
+      len = sqrt(u * u + v * v);
+      u /= len;
+      v /= len;
+      glNormal3f(v, -u, 0.0);
+      glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), width * 0.5);
+      glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), -width * 0.5);
+      glNormal3f(cos(angle), sin(angle), 0.0);
+      glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da),
+		 width * 0.5);
+      glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da),
+		 -width * 0.5);
+      u = r1 * cos(angle + 3 * da) - r2 * cos(angle + 2 * da);
+      v = r1 * sin(angle + 3 * da) - r2 * sin(angle + 2 * da);
+      glNormal3f(v, -u, 0.0);
+      glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da),
+		 width * 0.5);
+      glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da),
+		 -width * 0.5);
+      glNormal3f(cos(angle), sin(angle), 0.0);
+   }
+
+   glVertex3f(r1 * cos(0), r1 * sin(0), width * 0.5);
+   glVertex3f(r1 * cos(0), r1 * sin(0), -width * 0.5);
+
+   glEnd();
+
+   glShadeModel(GL_SMOOTH);
+
+   /* draw inside radius cylinder */
+   glBegin(GL_QUAD_STRIP);
+   for (i = 0; i <= teeth; i++) {
+      angle = i * 2.0 * M_PI / teeth;
+      glNormal3f(-cos(angle), -sin(angle), 0.0);
+      glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5);
+      glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5);
+   }
+   glEnd();
+}
+
+
+static void
+do_draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+   glPushMatrix();
+   glRotatef(view_rotx, 1.0, 0.0, 0.0);
+   glRotatef(view_roty, 0.0, 1.0, 0.0);
+   glRotatef(view_rotz, 0.0, 0.0, 1.0);
+
+   glPushMatrix();
+   glTranslatef(-3.0, -2.0, 0.0);
+   glRotatef(angle, 0.0, 0.0, 1.0);
+   glCallList(gear1);
+   glPopMatrix();
+
+   glPushMatrix();
+   glTranslatef(3.1, -2.0, 0.0);
+   glRotatef(-2.0 * angle - 9.0, 0.0, 0.0, 1.0);
+   glCallList(gear2);
+   glPopMatrix();
+
+   glPushMatrix();
+   glTranslatef(-3.1, 4.2, 0.0);
+   glRotatef(-2.0 * angle - 25.0, 0.0, 0.0, 1.0);
+   glCallList(gear3);
+   glPopMatrix();
+
+   glPopMatrix();
+}
+
+
+
+/* new window size or exposure */
+static void
+reshape(int width, int height)
+{
+   glViewport(0, 0, (GLint) width, (GLint) height);
+
+   if (stereo) {
+      GLfloat w;
+
+      asp = (GLfloat) height / (GLfloat) width;
+      w = fix_point * (1.0 / 5.0);
+
+      left = -5.0 * ((w - 0.5 * eyesep) / fix_point);
+      right = 5.0 * ((w + 0.5 * eyesep) / fix_point);
+   } else {
+      GLfloat h = (GLfloat) height / (GLfloat) width;
+
+      glMatrixMode(GL_PROJECTION);
+      glLoadIdentity();
+      glFrustum(-1.0, 1.0, -h, h, 5.0, 60.0);
+   }
+   
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glTranslatef(0.0, 0.0, -40.0);
+}
+   
+
+
+static void
+init(void)
+{
+   static GLfloat pos[4] = { 5.0, 5.0, 10.0, 0.0 };
+   static GLfloat red[4] = { 0.8, 0.1, 0.0, 1.0 };
+   static GLfloat green[4] = { 0.0, 0.8, 0.2, 1.0 };
+   static GLfloat blue[4] = { 0.2, 0.2, 1.0, 1.0 };
+
+   glLightfv(GL_LIGHT0, GL_POSITION, pos);
+   glEnable(GL_CULL_FACE);
+   glEnable(GL_LIGHTING);
+   glEnable(GL_LIGHT0);
+   glEnable(GL_DEPTH_TEST);
+
+   /* make the gears */
+   gear1 = glGenLists(1);
+   glNewList(gear1, GL_COMPILE);
+   glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, red);
+   gear(1.0, 4.0, 1.0, 20, 0.7);
+   glEndList();
+
+   gear2 = glGenLists(1);
+   glNewList(gear2, GL_COMPILE);
+   glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, green);
+   gear(0.5, 2.0, 2.0, 10, 0.7);
+   glEndList();
+
+   gear3 = glGenLists(1);
+   glNewList(gear3, GL_COMPILE);
+   glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, blue);
+   gear(1.3, 2.0, 0.5, 10, 0.7);
+   glEndList();
+
+   glEnable(GL_NORMALIZE);
+}
+
+
+static void
+draw( Display *dpy, Window win )
+{
+   GLXContext ctx;
+
+   ctx = glXCreateContext( dpy, visinfo, NULL, True );
+   if (!ctx) {
+      printf("Error: glXCreateContext failed\n");
+      exit(1);
+   }
+
+   glXMakeCurrent(dpy, win, ctx);
+
+   init();
+
+   if (stereo) {
+      /* First left eye.  */
+      glDrawBuffer(GL_BACK_LEFT);
+
+      glMatrixMode(GL_PROJECTION);
+      glLoadIdentity();
+      glFrustum(left, right, -asp, asp, 5.0, 60.0);
+
+      glMatrixMode(GL_MODELVIEW);
+
+      glPushMatrix();
+      glTranslated(+0.5 * eyesep, 0.0, 0.0);
+      do_draw();
+      glPopMatrix();
+
+      /* Then right eye.  */
+      glDrawBuffer(GL_BACK_RIGHT);
+
+      glMatrixMode(GL_PROJECTION);
+      glLoadIdentity();
+      glFrustum(-right, -left, -asp, asp, 5.0, 60.0);
+
+      glMatrixMode(GL_MODELVIEW);
+
+      glPushMatrix();
+      glTranslated(-0.5 * eyesep, 0.0, 0.0);
+      do_draw();
+      glPopMatrix();
+   } else
+      do_draw();
+
+   glXSwapBuffers(dpy, win);
+   glXDestroyContext(dpy, ctx);
+}
+
+
+/*
+ * Create an RGB, double-buffered window.
+ * Return the window and context handles.
+ */
+static void
+make_window( Display *dpy, const char *name,
+             int x, int y, int width, int height,
+             Window *winRet)
+{
+   int attribs[] = { GLX_RGBA,
+                     GLX_RED_SIZE, 1,
+                     GLX_GREEN_SIZE, 1,
+                     GLX_BLUE_SIZE, 1,
+                     GLX_DOUBLEBUFFER,
+                     GLX_DEPTH_SIZE, 1,
+                     None };
+   int stereoAttribs[] = { GLX_RGBA,
+                           GLX_RED_SIZE, 1,
+                           GLX_GREEN_SIZE, 1,
+                           GLX_BLUE_SIZE, 1,
+                           GLX_DOUBLEBUFFER,
+                           GLX_DEPTH_SIZE, 1,
+                           GLX_STEREO,
+                           None };
+   int scrnum;
+   XSetWindowAttributes attr;
+   unsigned long mask;
+   Window root;
+   Window win;
+
+   scrnum = DefaultScreen( dpy );
+   root = RootWindow( dpy, scrnum );
+
+   if (fullscreen) {
+      x = 0; y = 0;
+      width = DisplayWidth( dpy, scrnum );
+      height = DisplayHeight( dpy, scrnum );
+   }
+
+   if (stereo)
+      visinfo = glXChooseVisual( dpy, scrnum, stereoAttribs );
+   else
+      visinfo = glXChooseVisual( dpy, scrnum, attribs );
+   if (!visinfo) {
+      if (stereo) {
+         printf("Error: couldn't get an RGB, "
+                "Double-buffered, Stereo visual\n");
+      } else
+         printf("Error: couldn't get an RGB, Double-buffered visual\n");
+      exit(1);
+   }
+
+   /* window attributes */
+   attr.background_pixel = 0;
+   attr.border_pixel = 0;
+   attr.colormap = XCreateColormap( dpy, root, visinfo->visual, AllocNone);
+   attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask;
+   attr.override_redirect = fullscreen;
+   mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask | CWOverrideRedirect;
+
+   win = XCreateWindow( dpy, root, x, y, width, height,
+		        0, visinfo->depth, InputOutput,
+		        visinfo->visual, mask, &attr );
+
+   /* set hints and properties */
+   {
+      XSizeHints sizehints;
+      sizehints.x = x;
+      sizehints.y = y;
+      sizehints.width  = width;
+      sizehints.height = height;
+      sizehints.flags = USSize | USPosition;
+      XSetNormalHints(dpy, win, &sizehints);
+      XSetStandardProperties(dpy, win, name, name,
+                              None, (char **)NULL, 0, &sizehints);
+   }
+
+   *winRet = win;
+}
+
+
+static void
+event_loop(Display *dpy)
+{
+   Window win;
+   make_window(dpy, "glxgears", 0, 0, 300, 300, &win);
+   XMapWindow(dpy, win);
+
+
+   while (1) {
+      while (XPending(dpy) > 0) {
+         XEvent event;
+         XNextEvent(dpy, &event);
+         switch (event.type) {
+	 case Expose:
+            /* we'll redraw below */
+	    break;
+	 case ConfigureNotify:
+	    reshape(event.xconfigure.width, event.xconfigure.height);
+	    break;
+         case KeyPress:
+	 {
+	    char buffer[10];
+	    int r, code;
+	    code = XLookupKeysym(&event.xkey, 0);
+	    if (code == XK_Left) {
+	       view_roty += 5.0;
+	    }
+	    else if (code == XK_Right) {
+	       view_roty -= 5.0;
+	    }
+	    else if (code == XK_Up) {
+	       view_rotx += 5.0;
+	    }
+	    else if (code == XK_Down) {
+	       view_rotx -= 5.0;
+	    }
+	    else {
+	       r = XLookupString(&event.xkey, buffer, sizeof(buffer),
+				 NULL, NULL);
+	       if (buffer[0] == 27) {
+		  /* escape */
+		  return;
+	       }
+	    }
+	 }
+         }
+      }
+
+      {
+         static int frames = 0;
+         static double tRot0 = -1.0, tRate0 = -1.0;
+         double dt, t = current_time();
+         if (tRot0 < 0.0)
+            tRot0 = t;
+         dt = t - tRot0;
+         tRot0 = t;
+
+         /* advance rotation for next frame */
+         angle += 70.0 * dt;  /* 70 degrees per second */
+         if (angle > 3600.0)
+	    angle -= 3600.0;
+
+         draw( dpy, win );
+
+         frames++;
+
+         if (tRate0 < 0.0)
+            tRate0 = t;
+
+         if (t - tRate0 >= 1.0) {
+            GLfloat seconds = t - tRate0;
+            GLfloat fps = frames / seconds;
+            printf("%d frames in %3.1f seconds = %6.3f FPS\n", frames, seconds,
+                   fps);
+            tRate0 = t;
+	    
+	    XDestroyWindow(dpy, win);
+	    make_window(dpy, "glxgears", (int)(fps * 100) % 100, (int)(fps * 100) % 100, 300, 300, &win);
+	    XMapWindow(dpy, win);
+
+            frames = 0;
+         }
+      }
+   }
+}
+
+
+
+int
+main(int argc, char *argv[])
+{
+   Display *dpy;
+   char *dpyName = NULL;
+   GLboolean printInfo = GL_FALSE;
+   int i;
+
+   for (i = 1; i < argc; i++) {
+      if (strcmp(argv[i], "-display") == 0) {
+         dpyName = argv[i+1];
+         i++;
+      }
+      else if (strcmp(argv[i], "-info") == 0) {
+         printInfo = GL_TRUE;
+      }
+      else if (strcmp(argv[i], "-stereo") == 0) {
+         stereo = GL_TRUE;
+      }
+      else if (strcmp(argv[i], "-fullscreen") == 0) {
+         fullscreen = GL_TRUE;
+      }
+      else
+	 printf("Warrning: unknown parameter: %s\n", argv[i]);
+   }
+
+   dpy = XOpenDisplay(dpyName);
+   if (!dpy) {
+      printf("Error: couldn't open display %s\n",
+	     dpyName ? dpyName : getenv("DISPLAY"));
+      return -1;
+   }
+
+
+   if (printInfo) {
+      printf("GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+      printf("GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+      printf("GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+      printf("GL_EXTENSIONS = %s\n", (char *) glGetString(GL_EXTENSIONS));
+   }
+
+
+   event_loop(dpy);
+
+   XCloseDisplay(dpy);
+
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/xdemos/glxdemo.c b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/glxdemo.c
new file mode 100644
index 000000000..37df64ebe
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/glxdemo.c
@@ -0,0 +1,127 @@
+
+
+/*
+ * A demonstration of using the GLX functions.  This program is in the
+ * public domain.
+ *
+ * Brian Paul
+ */
+
+#include <GL/gl.h>
+#include <GL/glx.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+
+
+static void redraw( Display *dpy, Window w )
+{
+   printf("Redraw event\n");
+
+   glClear( GL_COLOR_BUFFER_BIT );
+
+   glColor3f( 1.0, 1.0, 0.0 );
+   glRectf( -0.8, -0.8, 0.8, 0.8 );
+
+   glXSwapBuffers( dpy, w );
+}
+
+
+
+static void resize( unsigned int width, unsigned int height )
+{
+   printf("Resize event\n");
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glOrtho( -1.0, 1.0, -1.0, 1.0, -1.0, 1.0 );
+}
+
+
+
+static Window make_rgb_db_window( Display *dpy,
+				  unsigned int width, unsigned int height )
+{
+   int attrib[] = { GLX_RGBA,
+		    GLX_RED_SIZE, 1,
+		    GLX_GREEN_SIZE, 1,
+		    GLX_BLUE_SIZE, 1,
+		    GLX_DOUBLEBUFFER,
+		    None };
+   int scrnum;
+   XSetWindowAttributes attr;
+   unsigned long mask;
+   Window root;
+   Window win;
+   GLXContext ctx;
+   XVisualInfo *visinfo;
+
+   scrnum = DefaultScreen( dpy );
+   root = RootWindow( dpy, scrnum );
+
+   visinfo = glXChooseVisual( dpy, scrnum, attrib );
+   if (!visinfo) {
+      printf("Error: couldn't get an RGB, Double-buffered visual\n");
+      exit(1);
+   }
+
+   /* window attributes */
+   attr.background_pixel = 0;
+   attr.border_pixel = 0;
+   attr.colormap = XCreateColormap( dpy, root, visinfo->visual, AllocNone);
+   attr.event_mask = StructureNotifyMask | ExposureMask;
+   mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
+
+   win = XCreateWindow( dpy, root, 0, 0, width, height,
+		        0, visinfo->depth, InputOutput,
+		        visinfo->visual, mask, &attr );
+
+   ctx = glXCreateContext( dpy, visinfo, NULL, True );
+   if (!ctx) {
+      printf("Error: glXCreateContext failed\n");
+      exit(1);
+   }
+
+   glXMakeCurrent( dpy, win, ctx );
+
+   return win;
+}
+
+
+static void event_loop( Display *dpy )
+{
+   XEvent event;
+
+   while (1) {
+      XNextEvent( dpy, &event );
+
+      switch (event.type) {
+	 case Expose:
+	    redraw( dpy, event.xany.window );
+	    break;
+	 case ConfigureNotify:
+	    resize( event.xconfigure.width, event.xconfigure.height );
+	    break;
+      }
+   }
+}
+
+
+
+int main( int argc, char *argv[] )
+{
+   Display *dpy;
+   Window win;
+
+   dpy = XOpenDisplay(NULL);
+
+   win = make_rgb_db_window( dpy, 300, 300 );
+
+   glShadeModel( GL_FLAT );
+   glClearColor( 0.5, 0.5, 0.5, 1.0 );
+
+   XMapWindow( dpy, win );
+
+   event_loop( dpy );
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/xdemos/glxgears.c b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/glxgears.c
new file mode 100644
index 000000000..00b05dc98
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/glxgears.c
@@ -0,0 +1,601 @@
+/*
+ * Copyright (C) 1999-2001  Brian Paul   All Rights Reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/*
+ * This is a port of the infamous "gears" demo to straight GLX (i.e. no GLUT)
+ * Port by Brian Paul  23 March 2001
+ *
+ * Command line options:
+ *    -info      print GL implementation information
+ *    -stereo    use stereo enabled GLX visual
+ *
+ */
+
+
+#include <math.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <X11/Xlib.h>
+#include <X11/keysym.h>
+#include <GL/gl.h>
+#include <GL/glx.h>
+
+
+#define BENCHMARK
+
+#ifdef BENCHMARK
+
+/* XXX this probably isn't very portable */
+
+#include <sys/time.h>
+#include <unistd.h>
+
+/* return current time (in seconds) */
+static double
+current_time(void)
+{
+   struct timeval tv;
+#ifdef __VMS
+   (void) gettimeofday(&tv, NULL );
+#else
+   struct timezone tz;
+   (void) gettimeofday(&tv, &tz);
+#endif
+   return (double) tv.tv_sec + tv.tv_usec / 1000000.0;
+}
+
+#else /*BENCHMARK*/
+
+/* dummy */
+static double
+current_time(void)
+{
+   /* update this function for other platforms! */
+   static double t = 0.0;
+   static int warn = 1;
+   if (warn) {
+      fprintf(stderr, "Warning: current_time() not implemented!!\n");
+      warn = 0;
+   }
+   return t += 1.0;
+}
+
+#endif /*BENCHMARK*/
+
+
+
+#ifndef M_PI
+#define M_PI 3.14159265
+#endif
+
+
+static GLfloat view_rotx = 20.0, view_roty = 30.0, view_rotz = 0.0;
+static GLint gear1, gear2, gear3;
+static GLfloat angle = 0.0;
+
+static GLboolean fullscreen = GL_FALSE;	/* Create a single fullscreen window */
+static GLboolean stereo = GL_FALSE;	/* Enable stereo.  */
+static GLfloat eyesep = 5.0;		/* Eye separation. */
+static GLfloat fix_point = 40.0;	/* Fixation point distance.  */
+static GLfloat left, right, asp;	/* Stereo frustum params.  */
+
+
+/*
+ *
+ *  Draw a gear wheel.  You'll probably want to call this function when
+ *  building a display list since we do a lot of trig here.
+ * 
+ *  Input:  inner_radius - radius of hole at center
+ *          outer_radius - radius at center of teeth
+ *          width - width of gear
+ *          teeth - number of teeth
+ *          tooth_depth - depth of tooth
+ */
+static void
+gear(GLfloat inner_radius, GLfloat outer_radius, GLfloat width,
+     GLint teeth, GLfloat tooth_depth)
+{
+   GLint i;
+   GLfloat r0, r1, r2;
+   GLfloat angle, da;
+   GLfloat u, v, len;
+
+   r0 = inner_radius;
+   r1 = outer_radius - tooth_depth / 2.0;
+   r2 = outer_radius + tooth_depth / 2.0;
+
+   da = 2.0 * M_PI / teeth / 4.0;
+
+   glShadeModel(GL_FLAT);
+
+   glNormal3f(0.0, 0.0, 1.0);
+
+   /* draw front face */
+   glBegin(GL_QUAD_STRIP);
+   for (i = 0; i <= teeth; i++) {
+      angle = i * 2.0 * M_PI / teeth;
+      glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5);
+      glVertex3f(r1 * cos(angle), r1 * sin(angle), width * 0.5);
+      if (i < teeth) {
+	 glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5);
+	 glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da),
+		    width * 0.5);
+      }
+   }
+   glEnd();
+
+   /* draw front sides of teeth */
+   glBegin(GL_QUADS);
+   da = 2.0 * M_PI / teeth / 4.0;
+   for (i = 0; i < teeth; i++) {
+      angle = i * 2.0 * M_PI / teeth;
+
+      glVertex3f(r1 * cos(angle), r1 * sin(angle), width * 0.5);
+      glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), width * 0.5);
+      glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da),
+		 width * 0.5);
+      glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da),
+		 width * 0.5);
+   }
+   glEnd();
+
+   glNormal3f(0.0, 0.0, -1.0);
+
+   /* draw back face */
+   glBegin(GL_QUAD_STRIP);
+   for (i = 0; i <= teeth; i++) {
+      angle = i * 2.0 * M_PI / teeth;
+      glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5);
+      glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5);
+      if (i < teeth) {
+	 glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da),
+		    -width * 0.5);
+	 glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5);
+      }
+   }
+   glEnd();
+
+   /* draw back sides of teeth */
+   glBegin(GL_QUADS);
+   da = 2.0 * M_PI / teeth / 4.0;
+   for (i = 0; i < teeth; i++) {
+      angle = i * 2.0 * M_PI / teeth;
+
+      glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da),
+		 -width * 0.5);
+      glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da),
+		 -width * 0.5);
+      glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), -width * 0.5);
+      glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5);
+   }
+   glEnd();
+
+   /* draw outward faces of teeth */
+   glBegin(GL_QUAD_STRIP);
+   for (i = 0; i < teeth; i++) {
+      angle = i * 2.0 * M_PI / teeth;
+
+      glVertex3f(r1 * cos(angle), r1 * sin(angle), width * 0.5);
+      glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5);
+      u = r2 * cos(angle + da) - r1 * cos(angle);
+      v = r2 * sin(angle + da) - r1 * sin(angle);
+      len = sqrt(u * u + v * v);
+      u /= len;
+      v /= len;
+      glNormal3f(v, -u, 0.0);
+      glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), width * 0.5);
+      glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), -width * 0.5);
+      glNormal3f(cos(angle), sin(angle), 0.0);
+      glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da),
+		 width * 0.5);
+      glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da),
+		 -width * 0.5);
+      u = r1 * cos(angle + 3 * da) - r2 * cos(angle + 2 * da);
+      v = r1 * sin(angle + 3 * da) - r2 * sin(angle + 2 * da);
+      glNormal3f(v, -u, 0.0);
+      glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da),
+		 width * 0.5);
+      glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da),
+		 -width * 0.5);
+      glNormal3f(cos(angle), sin(angle), 0.0);
+   }
+
+   glVertex3f(r1 * cos(0), r1 * sin(0), width * 0.5);
+   glVertex3f(r1 * cos(0), r1 * sin(0), -width * 0.5);
+
+   glEnd();
+
+   glShadeModel(GL_SMOOTH);
+
+   /* draw inside radius cylinder */
+   glBegin(GL_QUAD_STRIP);
+   for (i = 0; i <= teeth; i++) {
+      angle = i * 2.0 * M_PI / teeth;
+      glNormal3f(-cos(angle), -sin(angle), 0.0);
+      glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5);
+      glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5);
+   }
+   glEnd();
+}
+
+
+static void
+do_draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+   glPushMatrix();
+   glRotatef(view_rotx, 1.0, 0.0, 0.0);
+   glRotatef(view_roty, 0.0, 1.0, 0.0);
+   glRotatef(view_rotz, 0.0, 0.0, 1.0);
+
+   glPushMatrix();
+   glTranslatef(-3.0, -2.0, 0.0);
+   glRotatef(angle, 0.0, 0.0, 1.0);
+   glCallList(gear1);
+   glPopMatrix();
+
+   glPushMatrix();
+   glTranslatef(3.1, -2.0, 0.0);
+   glRotatef(-2.0 * angle - 9.0, 0.0, 0.0, 1.0);
+   glCallList(gear2);
+   glPopMatrix();
+
+   glPushMatrix();
+   glTranslatef(-3.1, 4.2, 0.0);
+   glRotatef(-2.0 * angle - 25.0, 0.0, 0.0, 1.0);
+   glCallList(gear3);
+   glPopMatrix();
+
+   glPopMatrix();
+}
+
+static void
+draw(void)
+{
+   if (stereo) {
+      /* First left eye.  */
+      glDrawBuffer(GL_BACK_LEFT);
+
+      glMatrixMode(GL_PROJECTION);
+      glLoadIdentity();
+      glFrustum(left, right, -asp, asp, 5.0, 60.0);
+
+      glMatrixMode(GL_MODELVIEW);
+
+      glPushMatrix();
+      glTranslated(+0.5 * eyesep, 0.0, 0.0);
+      do_draw();
+      glPopMatrix();
+
+      /* Then right eye.  */
+      glDrawBuffer(GL_BACK_RIGHT);
+
+      glMatrixMode(GL_PROJECTION);
+      glLoadIdentity();
+      glFrustum(-right, -left, -asp, asp, 5.0, 60.0);
+
+      glMatrixMode(GL_MODELVIEW);
+
+      glPushMatrix();
+      glTranslated(-0.5 * eyesep, 0.0, 0.0);
+      do_draw();
+      glPopMatrix();
+   } else
+      do_draw();
+}
+
+
+/* new window size or exposure */
+static void
+reshape(int width, int height)
+{
+   glViewport(0, 0, (GLint) width, (GLint) height);
+
+   if (stereo) {
+      GLfloat w;
+
+      asp = (GLfloat) height / (GLfloat) width;
+      w = fix_point * (1.0 / 5.0);
+
+      left = -5.0 * ((w - 0.5 * eyesep) / fix_point);
+      right = 5.0 * ((w + 0.5 * eyesep) / fix_point);
+   } else {
+      GLfloat h = (GLfloat) height / (GLfloat) width;
+
+      glMatrixMode(GL_PROJECTION);
+      glLoadIdentity();
+      glFrustum(-1.0, 1.0, -h, h, 5.0, 60.0);
+   }
+   
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glTranslatef(0.0, 0.0, -40.0);
+}
+   
+
+
+static void
+init(void)
+{
+   static GLfloat pos[4] = { 5.0, 5.0, 10.0, 0.0 };
+   static GLfloat red[4] = { 0.8, 0.1, 0.0, 1.0 };
+   static GLfloat green[4] = { 0.0, 0.8, 0.2, 1.0 };
+   static GLfloat blue[4] = { 0.2, 0.2, 1.0, 1.0 };
+
+   glLightfv(GL_LIGHT0, GL_POSITION, pos);
+   glEnable(GL_CULL_FACE);
+   glEnable(GL_LIGHTING);
+   glEnable(GL_LIGHT0);
+   glEnable(GL_DEPTH_TEST);
+
+   /* make the gears */
+   gear1 = glGenLists(1);
+   glNewList(gear1, GL_COMPILE);
+   glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, red);
+   gear(1.0, 4.0, 1.0, 20, 0.7);
+   glEndList();
+
+   gear2 = glGenLists(1);
+   glNewList(gear2, GL_COMPILE);
+   glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, green);
+   gear(0.5, 2.0, 2.0, 10, 0.7);
+   glEndList();
+
+   gear3 = glGenLists(1);
+   glNewList(gear3, GL_COMPILE);
+   glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, blue);
+   gear(1.3, 2.0, 0.5, 10, 0.7);
+   glEndList();
+
+   glEnable(GL_NORMALIZE);
+}
+
+
+/*
+ * Create an RGB, double-buffered window.
+ * Return the window and context handles.
+ */
+static void
+make_window( Display *dpy, const char *name,
+             int x, int y, int width, int height,
+             Window *winRet, GLXContext *ctxRet)
+{
+   int attribs[] = { GLX_RGBA,
+                     GLX_RED_SIZE, 1,
+                     GLX_GREEN_SIZE, 1,
+                     GLX_BLUE_SIZE, 1,
+                     GLX_DOUBLEBUFFER,
+                     GLX_DEPTH_SIZE, 1,
+                     None };
+   int stereoAttribs[] = { GLX_RGBA,
+                           GLX_RED_SIZE, 1,
+                           GLX_GREEN_SIZE, 1,
+                           GLX_BLUE_SIZE, 1,
+                           GLX_DOUBLEBUFFER,
+                           GLX_DEPTH_SIZE, 1,
+                           GLX_STEREO,
+                           None };
+   int scrnum;
+   XSetWindowAttributes attr;
+   unsigned long mask;
+   Window root;
+   Window win;
+   GLXContext ctx;
+   XVisualInfo *visinfo;
+
+   scrnum = DefaultScreen( dpy );
+   root = RootWindow( dpy, scrnum );
+
+   if (fullscreen) {
+      x = 0; y = 0;
+      width = DisplayWidth( dpy, scrnum );
+      height = DisplayHeight( dpy, scrnum );
+   }
+
+   if (stereo)
+      visinfo = glXChooseVisual( dpy, scrnum, stereoAttribs );
+   else
+      visinfo = glXChooseVisual( dpy, scrnum, attribs );
+   if (!visinfo) {
+      if (stereo) {
+         printf("Error: couldn't get an RGB, "
+                "Double-buffered, Stereo visual\n");
+      } else
+         printf("Error: couldn't get an RGB, Double-buffered visual\n");
+      exit(1);
+   }
+
+   /* window attributes */
+   attr.background_pixel = 0;
+   attr.border_pixel = 0;
+   attr.colormap = XCreateColormap( dpy, root, visinfo->visual, AllocNone);
+   attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask;
+   attr.override_redirect = fullscreen;
+   mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask | CWOverrideRedirect;
+
+   win = XCreateWindow( dpy, root, 0, 0, width, height,
+		        0, visinfo->depth, InputOutput,
+		        visinfo->visual, mask, &attr );
+
+   /* set hints and properties */
+   {
+      XSizeHints sizehints;
+      sizehints.x = x;
+      sizehints.y = y;
+      sizehints.width  = width;
+      sizehints.height = height;
+      sizehints.flags = USSize | USPosition;
+      XSetNormalHints(dpy, win, &sizehints);
+      XSetStandardProperties(dpy, win, name, name,
+                              None, (char **)NULL, 0, &sizehints);
+   }
+
+   ctx = glXCreateContext( dpy, visinfo, NULL, True );
+   if (!ctx) {
+      printf("Error: glXCreateContext failed\n");
+      exit(1);
+   }
+
+   XFree(visinfo);
+
+   *winRet = win;
+   *ctxRet = ctx;
+}
+
+
+static void
+event_loop(Display *dpy, Window win)
+{
+   while (1) {
+      while (XPending(dpy) > 0) {
+         XEvent event;
+         XNextEvent(dpy, &event);
+         switch (event.type) {
+	 case Expose:
+            /* we'll redraw below */
+	    break;
+	 case ConfigureNotify:
+	    reshape(event.xconfigure.width, event.xconfigure.height);
+	    break;
+         case KeyPress:
+            {
+               char buffer[10];
+               int r, code;
+               code = XLookupKeysym(&event.xkey, 0);
+               if (code == XK_Left) {
+                  view_roty += 5.0;
+               }
+               else if (code == XK_Right) {
+                  view_roty -= 5.0;
+               }
+               else if (code == XK_Up) {
+                  view_rotx += 5.0;
+               }
+               else if (code == XK_Down) {
+                  view_rotx -= 5.0;
+               }
+               else {
+                  r = XLookupString(&event.xkey, buffer, sizeof(buffer),
+                                    NULL, NULL);
+                  if (buffer[0] == 27) {
+                     /* escape */
+                     return;
+                  }
+               }
+            }
+         }
+      }
+
+      {
+         static int frames = 0;
+         static double tRot0 = -1.0, tRate0 = -1.0;
+         double dt, t = current_time();
+         if (tRot0 < 0.0)
+            tRot0 = t;
+         dt = t - tRot0;
+         tRot0 = t;
+
+         /* advance rotation for next frame */
+         angle += 70.0 * dt;  /* 70 degrees per second */
+         if (angle > 3600.0)
+             angle -= 3600.0;
+
+         draw();
+         glXSwapBuffers(dpy, win);
+
+         frames++;
+
+         if (tRate0 < 0.0)
+            tRate0 = t;
+         if (t - tRate0 >= 5.0) {
+            GLfloat seconds = t - tRate0;
+            GLfloat fps = frames / seconds;
+            printf("%d frames in %3.1f seconds = %6.3f FPS\n", frames, seconds,
+                   fps);
+            tRate0 = t;
+            frames = 0;
+         }
+      }
+   }
+}
+
+
+int
+main(int argc, char *argv[])
+{
+   Display *dpy;
+   Window win;
+   GLXContext ctx;
+   char *dpyName = NULL;
+   GLboolean printInfo = GL_FALSE;
+   int i;
+
+   for (i = 1; i < argc; i++) {
+      if (strcmp(argv[i], "-display") == 0) {
+         dpyName = argv[i+1];
+         i++;
+      }
+      else if (strcmp(argv[i], "-info") == 0) {
+         printInfo = GL_TRUE;
+      }
+      else if (strcmp(argv[i], "-stereo") == 0) {
+         stereo = GL_TRUE;
+      }
+      else if (strcmp(argv[i], "-fullscreen") == 0) {
+         fullscreen = GL_TRUE;
+      }
+      else
+	 printf("Warrning: unknown parameter: %s\n", argv[i]);
+   }
+
+   dpy = XOpenDisplay(dpyName);
+   if (!dpy) {
+      printf("Error: couldn't open display %s\n",
+	     dpyName ? dpyName : getenv("DISPLAY"));
+      return -1;
+   }
+
+   make_window(dpy, "glxgears", 0, 0, 300, 300, &win, &ctx);
+   XMapWindow(dpy, win);
+   glXMakeCurrent(dpy, win, ctx);
+
+   if (printInfo) {
+      printf("GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+      printf("GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+      printf("GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+      printf("GL_EXTENSIONS = %s\n", (char *) glGetString(GL_EXTENSIONS));
+   }
+
+   init();
+
+   event_loop(dpy, win);
+
+   glDeleteLists(gear1, 1);
+   glDeleteLists(gear2, 1);
+   glDeleteLists(gear3, 1);
+   glXDestroyContext(dpy, ctx);
+   XDestroyWindow(dpy, win);
+   XCloseDisplay(dpy);
+
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/xdemos/glxgears_fbconfig.c b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/glxgears_fbconfig.c
new file mode 100644
index 000000000..acbadd21a
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/glxgears_fbconfig.c
@@ -0,0 +1,602 @@
+/*
+ * Copyright (C) 1999-2001  Brian Paul   All Rights Reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/**
+ * \file glxgears_fbconfig.c
+ * Yet-another-version of gears.  Originally ported to GLX by Brian Paul on
+ * 23 March 2001.  Modified to use fbconfigs by Ian Romanick on 10 Feb 2004.
+ *
+ * Command line options:
+ *    -info      print GL implementation information
+ *
+ * \author Brian Paul
+ * \author Ian Romanick <idr@us.ibm.com>
+ */
+
+
+#define GLX_GLXEXT_PROTOTYPES
+
+#include <math.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <X11/Xlib.h>
+#include <X11/keysym.h>
+#include <GL/gl.h>
+#include <GL/glx.h>
+#include <GL/glxext.h>
+#include <assert.h>
+#include "pbutil.h"
+
+/* I had to use the SGIX versions of these because for some reason glxext.h
+ * doesn't define the core versions if GLX_VERSION_1_3 is defined, and glx.h
+ * doesn't define them at all.  One or both header files is clearly broken.
+ */
+static PFNGLXCHOOSEFBCONFIGSGIXPROC choose_fbconfig = NULL;
+static PFNGLXGETVISUALFROMFBCONFIGSGIXPROC get_visual_from_fbconfig = NULL;
+static PFNGLXCREATECONTEXTWITHCONFIGSGIXPROC create_new_context = NULL;
+
+#define BENCHMARK
+
+#ifdef BENCHMARK
+
+/* XXX this probably isn't very portable */
+
+#include <sys/time.h>
+#include <unistd.h>
+
+/* return current time (in seconds) */
+static int
+current_time(void)
+{
+   struct timeval tv;
+#ifdef __VMS
+   (void) gettimeofday(&tv, NULL );
+#else
+   struct timezone tz;
+   (void) gettimeofday(&tv, &tz);
+#endif
+   return (int) tv.tv_sec;
+}
+
+#else /*BENCHMARK*/
+
+/* dummy */
+static int
+current_time(void)
+{
+   return 0;
+}
+
+#endif /*BENCHMARK*/
+
+
+
+#ifndef M_PI
+#define M_PI 3.14159265
+#endif
+
+
+static GLfloat view_rotx = 20.0, view_roty = 30.0, view_rotz = 0.0;
+static GLint gear1, gear2, gear3;
+static GLfloat angle = 0.0;
+
+
+/*
+ *
+ *  Draw a gear wheel.  You'll probably want to call this function when
+ *  building a display list since we do a lot of trig here.
+ * 
+ *  Input:  inner_radius - radius of hole at center
+ *          outer_radius - radius at center of teeth
+ *          width - width of gear
+ *          teeth - number of teeth
+ *          tooth_depth - depth of tooth
+ */
+static void
+gear(GLfloat inner_radius, GLfloat outer_radius, GLfloat width,
+     GLint teeth, GLfloat tooth_depth)
+{
+   GLint i;
+   GLfloat r0, r1, r2;
+   GLfloat angle, da;
+   GLfloat u, v, len;
+
+   r0 = inner_radius;
+   r1 = outer_radius - tooth_depth / 2.0;
+   r2 = outer_radius + tooth_depth / 2.0;
+
+   da = 2.0 * M_PI / teeth / 4.0;
+
+   glShadeModel(GL_FLAT);
+
+   glNormal3f(0.0, 0.0, 1.0);
+
+   /* draw front face */
+   glBegin(GL_QUAD_STRIP);
+   for (i = 0; i <= teeth; i++) {
+      angle = i * 2.0 * M_PI / teeth;
+      glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5);
+      glVertex3f(r1 * cos(angle), r1 * sin(angle), width * 0.5);
+      if (i < teeth) {
+	 glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5);
+	 glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da),
+		    width * 0.5);
+      }
+   }
+   glEnd();
+
+   /* draw front sides of teeth */
+   glBegin(GL_QUADS);
+   da = 2.0 * M_PI / teeth / 4.0;
+   for (i = 0; i < teeth; i++) {
+      angle = i * 2.0 * M_PI / teeth;
+
+      glVertex3f(r1 * cos(angle), r1 * sin(angle), width * 0.5);
+      glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), width * 0.5);
+      glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da),
+		 width * 0.5);
+      glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da),
+		 width * 0.5);
+   }
+   glEnd();
+
+   glNormal3f(0.0, 0.0, -1.0);
+
+   /* draw back face */
+   glBegin(GL_QUAD_STRIP);
+   for (i = 0; i <= teeth; i++) {
+      angle = i * 2.0 * M_PI / teeth;
+      glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5);
+      glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5);
+      if (i < teeth) {
+	 glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da),
+		    -width * 0.5);
+	 glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5);
+      }
+   }
+   glEnd();
+
+   /* draw back sides of teeth */
+   glBegin(GL_QUADS);
+   da = 2.0 * M_PI / teeth / 4.0;
+   for (i = 0; i < teeth; i++) {
+      angle = i * 2.0 * M_PI / teeth;
+
+      glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da),
+		 -width * 0.5);
+      glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da),
+		 -width * 0.5);
+      glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), -width * 0.5);
+      glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5);
+   }
+   glEnd();
+
+   /* draw outward faces of teeth */
+   glBegin(GL_QUAD_STRIP);
+   for (i = 0; i < teeth; i++) {
+      angle = i * 2.0 * M_PI / teeth;
+
+      glVertex3f(r1 * cos(angle), r1 * sin(angle), width * 0.5);
+      glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5);
+      u = r2 * cos(angle + da) - r1 * cos(angle);
+      v = r2 * sin(angle + da) - r1 * sin(angle);
+      len = sqrt(u * u + v * v);
+      u /= len;
+      v /= len;
+      glNormal3f(v, -u, 0.0);
+      glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), width * 0.5);
+      glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), -width * 0.5);
+      glNormal3f(cos(angle), sin(angle), 0.0);
+      glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da),
+		 width * 0.5);
+      glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da),
+		 -width * 0.5);
+      u = r1 * cos(angle + 3 * da) - r2 * cos(angle + 2 * da);
+      v = r1 * sin(angle + 3 * da) - r2 * sin(angle + 2 * da);
+      glNormal3f(v, -u, 0.0);
+      glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da),
+		 width * 0.5);
+      glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da),
+		 -width * 0.5);
+      glNormal3f(cos(angle), sin(angle), 0.0);
+   }
+
+   glVertex3f(r1 * cos(0), r1 * sin(0), width * 0.5);
+   glVertex3f(r1 * cos(0), r1 * sin(0), -width * 0.5);
+
+   glEnd();
+
+   glShadeModel(GL_SMOOTH);
+
+   /* draw inside radius cylinder */
+   glBegin(GL_QUAD_STRIP);
+   for (i = 0; i <= teeth; i++) {
+      angle = i * 2.0 * M_PI / teeth;
+      glNormal3f(-cos(angle), -sin(angle), 0.0);
+      glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5);
+      glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5);
+   }
+   glEnd();
+}
+
+
+static void
+draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+   glPushMatrix();
+   glRotatef(view_rotx, 1.0, 0.0, 0.0);
+   glRotatef(view_roty, 0.0, 1.0, 0.0);
+   glRotatef(view_rotz, 0.0, 0.0, 1.0);
+
+   glPushMatrix();
+   glTranslatef(-3.0, -2.0, 0.0);
+   glRotatef(angle, 0.0, 0.0, 1.0);
+   glCallList(gear1);
+   glPopMatrix();
+
+   glPushMatrix();
+   glTranslatef(3.1, -2.0, 0.0);
+   glRotatef(-2.0 * angle - 9.0, 0.0, 0.0, 1.0);
+   glCallList(gear2);
+   glPopMatrix();
+
+   glPushMatrix();
+   glTranslatef(-3.1, 4.2, 0.0);
+   glRotatef(-2.0 * angle - 25.0, 0.0, 0.0, 1.0);
+   glCallList(gear3);
+   glPopMatrix();
+
+   glPopMatrix();
+}
+
+
+/* new window size or exposure */
+static void
+reshape(int width, int height)
+{
+   GLfloat h = (GLfloat) height / (GLfloat) width;
+
+   glViewport(0, 0, (GLint) width, (GLint) height);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glFrustum(-1.0, 1.0, -h, h, 5.0, 60.0);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glTranslatef(0.0, 0.0, -40.0);
+}
+
+
+static void
+init(void)
+{
+   static GLfloat pos[4] = { 5.0, 5.0, 10.0, 0.0 };
+   static GLfloat red[4] = { 0.8, 0.1, 0.0, 1.0 };
+   static GLfloat green[4] = { 0.0, 0.8, 0.2, 1.0 };
+   static GLfloat blue[4] = { 0.2, 0.2, 1.0, 1.0 };
+
+   glLightfv(GL_LIGHT0, GL_POSITION, pos);
+   glEnable(GL_CULL_FACE);
+   glEnable(GL_LIGHTING);
+   glEnable(GL_LIGHT0);
+   glEnable(GL_DEPTH_TEST);
+
+   /* make the gears */
+   gear1 = glGenLists(1);
+   glNewList(gear1, GL_COMPILE);
+   glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, red);
+   gear(1.0, 4.0, 1.0, 20, 0.7);
+   glEndList();
+
+   gear2 = glGenLists(1);
+   glNewList(gear2, GL_COMPILE);
+   glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, green);
+   gear(0.5, 2.0, 2.0, 10, 0.7);
+   glEndList();
+
+   gear3 = glGenLists(1);
+   glNewList(gear3, GL_COMPILE);
+   glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, blue);
+   gear(1.3, 2.0, 0.5, 10, 0.7);
+   glEndList();
+
+   glEnable(GL_NORMALIZE);
+}
+
+
+/**
+ * Initialize fbconfig related function pointers.
+ */
+static void
+init_fbconfig_functions(Display *dpy, int scrnum)
+{
+   const char * glx_extensions;
+   const char * match;
+   static const char ext_name[] = "GLX_SGIX_fbconfig";
+   const size_t len = strlen( ext_name );
+   int major;
+   int minor;
+   GLboolean ext_version_supported;
+   GLboolean glx_1_3_supported;
+
+
+   /* Determine if GLX 1.3 or greater is supported.
+    */
+   glXQueryVersion(dpy, & major, & minor);
+   glx_1_3_supported = (major == 1) && (minor >= 3);
+
+   /* Determine if GLX_SGIX_fbconfig is supported.
+    */
+   glx_extensions = glXQueryExtensionsString(dpy, scrnum);
+   match = strstr( glx_extensions, ext_name );
+
+   ext_version_supported = (match != NULL)
+       && ((match[len] == '\0') || (match[len] == ' '));
+
+   printf( "GLX 1.3 is %ssupported.\n",
+	   (glx_1_3_supported) ? "" : "not " );
+   printf( "%s is %ssupported.\n",
+	   ext_name, (ext_version_supported) ? "" : "not " );
+
+   if ( glx_1_3_supported ) {
+      choose_fbconfig = (PFNGLXCHOOSEFBCONFIGSGIXPROC) glXGetProcAddressARB( 
+		(GLubyte *) "glXChooseFBConfig");
+      get_visual_from_fbconfig = (PFNGLXGETVISUALFROMFBCONFIGSGIXPROC) glXGetProcAddressARB( 
+		(GLubyte *) "glXGetVisualFromFBConfig");
+      create_new_context = (PFNGLXCREATECONTEXTWITHCONFIGSGIXPROC) glXGetProcAddressARB(
+		(GLubyte *) "glXCreateNewContext");
+   }
+   else if ( ext_version_supported ) {
+      choose_fbconfig = (PFNGLXCHOOSEFBCONFIGSGIXPROC) glXGetProcAddressARB( 
+		(GLubyte *) "glXChooseFBConfigSGIX");
+      get_visual_from_fbconfig = (PFNGLXGETVISUALFROMFBCONFIGSGIXPROC) glXGetProcAddressARB( 
+		(GLubyte *) "glXGetVisualFromFBConfigSGIX");
+      create_new_context = (PFNGLXCREATECONTEXTWITHCONFIGSGIXPROC) glXGetProcAddressARB(
+		(GLubyte *) "glXCreateContextWithConfigSGIX");
+   }
+   else {
+      printf( "This demo requires either GLX 1.3 or %s be supported.\n",
+	      ext_name );
+      exit(1);
+   }
+
+   if ( choose_fbconfig == NULL ) {
+      printf( "glXChooseFBConfig not found!\n" );
+      exit(1);
+   }
+
+   if ( get_visual_from_fbconfig == NULL ) {
+      printf( "glXGetVisualFromFBConfig not found!\n" );
+      exit(1);
+   }
+
+   if ( create_new_context == NULL ) {
+      printf( "glXCreateNewContext not found!\n" );
+      exit(1);
+   }
+}
+
+
+/*
+ * Create an RGB, double-buffered window.
+ * Return the window and context handles.
+ */
+static void
+make_window( Display *dpy, const char *name,
+             int x, int y, int width, int height,
+             Window *winRet, GLXContext *ctxRet)
+{
+   int attrib[] = { GLX_DRAWABLE_TYPE, GLX_WINDOW_BIT,
+		    GLX_RENDER_TYPE,   GLX_RGBA_BIT,
+		    GLX_RED_SIZE,      1,
+		    GLX_GREEN_SIZE,    1,
+		    GLX_BLUE_SIZE,     1,
+		    GLX_DOUBLEBUFFER,  GL_TRUE,
+		    GLX_DEPTH_SIZE,    1,
+		    None };
+   GLXFBConfig * fbconfig;
+   int num_configs;
+   int scrnum;
+   int i;
+   XSetWindowAttributes attr;
+   unsigned long mask;
+   Window root;
+   Window win;
+   GLXContext ctx;
+   XVisualInfo *visinfo;
+
+   scrnum = DefaultScreen( dpy );
+   root = RootWindow( dpy, scrnum );
+
+   init_fbconfig_functions(dpy, scrnum);
+   fbconfig = (*choose_fbconfig)(dpy, scrnum, attrib, & num_configs);
+   if (fbconfig == NULL) {
+      printf("Error: couldn't get an RGB, Double-buffered visual\n");
+      exit(1);
+   }
+
+   printf("\nThe following fbconfigs meet the requirements.  The first one "
+	  "will be used.\n\n");
+   for ( i = 0 ; i < num_configs ; i++ ) {
+      PrintFBConfigInfo(dpy, scrnum, fbconfig[i], GL_TRUE);
+   }
+
+   /* window attributes */
+   visinfo = (*get_visual_from_fbconfig)(dpy, fbconfig[0]);
+   assert(visinfo != NULL);
+   attr.background_pixel = 0;
+   attr.border_pixel = 0;
+   attr.colormap = XCreateColormap( dpy, root, visinfo->visual, AllocNone);
+   attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask;
+   mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
+
+   win = XCreateWindow( dpy, root, 0, 0, width, height,
+		        0, visinfo->depth, InputOutput,
+		        visinfo->visual, mask, &attr );
+
+   /* set hints and properties */
+   {
+      XSizeHints sizehints;
+      sizehints.x = x;
+      sizehints.y = y;
+      sizehints.width  = width;
+      sizehints.height = height;
+      sizehints.flags = USSize | USPosition;
+      XSetNormalHints(dpy, win, &sizehints);
+      XSetStandardProperties(dpy, win, name, name,
+                              None, (char **)NULL, 0, &sizehints);
+   }
+
+   ctx = (*create_new_context)(dpy, fbconfig[0], GLX_RGBA_TYPE, NULL, GL_TRUE);
+   if (!ctx) {
+      printf("Error: glXCreateNewContext failed\n");
+      exit(1);
+   }
+
+   XFree(fbconfig);
+
+   *winRet = win;
+   *ctxRet = ctx;
+}
+
+
+static void
+event_loop(Display *dpy, Window win)
+{
+   while (1) {
+      while (XPending(dpy) > 0) {
+         XEvent event;
+         XNextEvent(dpy, &event);
+         switch (event.type) {
+	 case Expose:
+            /* we'll redraw below */
+	    break;
+	 case ConfigureNotify:
+	    reshape(event.xconfigure.width, event.xconfigure.height);
+	    break;
+         case KeyPress:
+            {
+               char buffer[10];
+               int r, code;
+               code = XLookupKeysym(&event.xkey, 0);
+               if (code == XK_Left) {
+                  view_roty += 5.0;
+               }
+               else if (code == XK_Right) {
+                  view_roty -= 5.0;
+               }
+               else if (code == XK_Up) {
+                  view_rotx += 5.0;
+               }
+               else if (code == XK_Down) {
+                  view_rotx -= 5.0;
+               }
+               else {
+                  r = XLookupString(&event.xkey, buffer, sizeof(buffer),
+                                    NULL, NULL);
+                  if (buffer[0] == 27) {
+                     /* escape */
+                     return;
+                  }
+               }
+            }
+         }
+      }
+
+      /* next frame */
+      angle += 2.0;
+
+      draw();
+      glXSwapBuffers(dpy, win);
+
+      /* calc framerate */
+      {
+         static int t0 = -1;
+         static int frames = 0;
+         int t = current_time();
+
+         if (t0 < 0)
+            t0 = t;
+
+         frames++;
+
+         if (t - t0 >= 5.0) {
+            GLfloat seconds = t - t0;
+            GLfloat fps = frames / seconds;
+            printf("%d frames in %3.1f seconds = %6.3f FPS\n", frames, seconds,
+                   fps);
+            t0 = t;
+            frames = 0;
+         }
+      }
+   }
+}
+
+
+int
+main(int argc, char *argv[])
+{
+   Display *dpy;
+   Window win;
+   GLXContext ctx;
+   const char *dpyName = NULL;
+   GLboolean printInfo = GL_FALSE;
+   int i;
+
+   for (i = 1; i < argc; i++) {
+      if (strcmp(argv[i], "-display") == 0) {
+         dpyName = argv[i+1];
+         i++;
+      }
+      else if (strcmp(argv[i], "-info") == 0) {
+         printInfo = GL_TRUE;
+      }
+   }
+
+   dpy = XOpenDisplay(dpyName);
+   if (!dpy) {
+      printf("Error: couldn't open display %s\n", dpyName);
+      return -1;
+   }
+
+   make_window(dpy, "glxgears", 0, 0, 300, 300, &win, &ctx);
+   XMapWindow(dpy, win);
+   glXMakeCurrent(dpy, win, ctx);
+
+   if (printInfo) {
+      printf("GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+      printf("GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+      printf("GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+      printf("GL_EXTENSIONS = %s\n", (char *) glGetString(GL_EXTENSIONS));
+   }
+
+   init();
+
+   event_loop(dpy, win);
+
+   glXDestroyContext(dpy, ctx);
+   XDestroyWindow(dpy, win);
+   XCloseDisplay(dpy);
+
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/xdemos/glxheads.c b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/glxheads.c
new file mode 100644
index 000000000..0145a70e9
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/glxheads.c
@@ -0,0 +1,286 @@
+
+/*
+ * Exercise multiple GLX connections on multiple X displays.
+ * Direct GLX contexts are attempted first, then indirect.
+ * Each window will display a spinning green triangle.
+ *
+ * Copyright (C) 2000  Brian Paul   All Rights Reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+#include <GL/gl.h>
+#include <GL/glx.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+
+
+/*
+ * Each display/window/context:
+ */
+struct head {
+   char DisplayName[1000];
+   Display *Dpy;
+   Window Win;
+   GLXContext Context;
+   float Angle;
+   char Renderer[1000];
+   char Vendor[1000];
+   char Version[1000];
+};
+
+
+#define MAX_HEADS 20
+static struct head Heads[MAX_HEADS];
+static int NumHeads = 0;
+
+
+static void
+Error(const char *display, const char *msg)
+{
+   fprintf(stderr, "Error on display %s - %s\n", display, msg);
+   exit(1);
+}
+
+
+static struct head *
+AddHead(const char *displayName)
+{
+   Display *dpy;
+   Window win;
+   GLXContext ctx;
+   int attrib[] = { GLX_RGBA,
+		    GLX_RED_SIZE, 1,
+		    GLX_GREEN_SIZE, 1,
+		    GLX_BLUE_SIZE, 1,
+		    GLX_DOUBLEBUFFER,
+		    None };
+   int scrnum;
+   XSetWindowAttributes attr;
+   unsigned long mask;
+   Window root;
+   XVisualInfo *visinfo;
+   int width = 300, height = 300;
+   int xpos = 10, ypos = 10;
+
+   if (NumHeads >= MAX_HEADS)
+      return NULL;
+
+   dpy = XOpenDisplay(displayName);
+   if (!dpy) {
+      Error(displayName, "Unable to open display");
+      return NULL;
+   }
+
+   scrnum = DefaultScreen(dpy);
+   root = RootWindow(dpy, scrnum);
+
+   visinfo = glXChooseVisual(dpy, scrnum, attrib);
+   if (!visinfo) {
+      Error(displayName, "Unable to find RGB, double-buffered visual");
+      return NULL;
+   }
+
+   /* window attributes */
+   attr.background_pixel = 0;
+   attr.border_pixel = 0;
+   attr.colormap = XCreateColormap(dpy, root, visinfo->visual, AllocNone);
+   attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask;
+   mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
+
+   win = XCreateWindow(dpy, root, 0, 0, width, height,
+		        0, visinfo->depth, InputOutput,
+		        visinfo->visual, mask, &attr);
+   if (!win) {
+      Error(displayName, "Couldn't create window");
+      return NULL;
+   }
+
+   {
+      XSizeHints sizehints;
+      sizehints.x = xpos;
+      sizehints.y = ypos;
+      sizehints.width  = width;
+      sizehints.height = height;
+      sizehints.flags = USSize | USPosition;
+      XSetNormalHints(dpy, win, &sizehints);
+      XSetStandardProperties(dpy, win, displayName, displayName,
+                              None, (char **)NULL, 0, &sizehints);
+   }
+
+
+   ctx = glXCreateContext(dpy, visinfo, NULL, True);
+   if (!ctx) {
+      Error(displayName, "Couldn't create GLX context");
+      return NULL;
+   }
+
+   XMapWindow(dpy, win);
+
+   if (!glXMakeCurrent(dpy, win, ctx)) {
+      Error(displayName, "glXMakeCurrent failed");
+      printf("glXMakeCurrent failed in Redraw()\n");
+      return NULL;
+   }
+
+   /* save the info for this head */
+   {
+      struct head *h = &Heads[NumHeads];
+      strcpy(h->DisplayName, displayName);
+      h->Dpy = dpy;
+      h->Win = win;
+      h->Context = ctx;
+      h->Angle = 0.0;
+      strcpy(h->Version, (char *) glGetString(GL_VERSION));
+      strcpy(h->Vendor, (char *) glGetString(GL_VENDOR));
+      strcpy(h->Renderer, (char *) glGetString(GL_RENDERER));
+      NumHeads++;
+      return &Heads[NumHeads-1];
+   }
+
+}
+
+
+static void
+Redraw(struct head *h)
+{
+   if (!glXMakeCurrent(h->Dpy, h->Win, h->Context)) {
+      Error(h->DisplayName, "glXMakeCurrent failed");
+      printf("glXMakeCurrent failed in Redraw()\n");
+      return;
+   }
+
+   h->Angle += 1.0;
+
+   glShadeModel(GL_FLAT);
+   glClearColor(0.5, 0.5, 0.5, 1.0);
+   glClear(GL_COLOR_BUFFER_BIT);
+
+   /* draw green triangle */
+   glColor3f(0.0, 1.0, 0.0);
+   glPushMatrix();
+   glRotatef(h->Angle, 0, 0, 1);
+   glBegin(GL_TRIANGLES);
+   glVertex2f(0, 0.8);
+   glVertex2f(-0.8, -0.7);
+   glVertex2f(0.8, -0.7);
+   glEnd();
+   glPopMatrix();
+
+   glXSwapBuffers(h->Dpy, h->Win);
+}
+
+
+
+static void
+Resize(const struct head *h, unsigned int width, unsigned int height)
+{
+   if (!glXMakeCurrent(h->Dpy, h->Win, h->Context)) {
+      Error(h->DisplayName, "glXMakeCurrent failed in Resize()");
+      return;
+   }
+   glFlush();
+   glViewport(0, 0, width, height);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glOrtho(-1.0, 1.0, -1.0, 1.0, -1.0, 1.0);
+}
+
+
+
+static void
+EventLoop(void)
+{
+   while (1) {
+      int i;
+      for (i = 0; i < NumHeads; i++) {
+         struct head *h = &Heads[i];
+         while (XPending(h->Dpy) > 0) {
+            XEvent event;
+            XNextEvent(h->Dpy, &event);
+            if (event.xany.window == h->Win) {
+               switch (event.type) {
+                  case Expose:
+                     Redraw(h);
+                     break;
+                  case ConfigureNotify:
+                     Resize(h, event.xconfigure.width, event.xconfigure.height);
+                     break;
+                  case KeyPress:
+                     return;
+                  default:
+                     /*no-op*/ ;
+               }
+            }
+            else {
+               printf("window mismatch\n");
+            }
+         }
+         Redraw(h);
+      }
+      usleep(1);
+   }
+}
+
+
+
+static void
+PrintInfo(const struct head *h)
+{
+   printf("Name: %s\n", h->DisplayName);
+   printf("  Display:     %p\n", (void *) h->Dpy);
+   printf("  Window:      0x%x\n", (int) h->Win);
+   printf("  Context:     0x%lx\n", (long) h->Context);
+   printf("  GL_VERSION:  %s\n", h->Version);
+   printf("  GL_VENDOR:   %s\n", h->Vendor);
+   printf("  GL_RENDERER: %s\n", h->Renderer);
+}
+
+
+int
+main(int argc, char *argv[])
+{
+   int i;
+   if (argc == 1) {
+      struct head *h;
+      printf("glxheads: exercise multiple GLX connections (any key = exit)\n");
+      printf("Usage:\n");
+      printf("  glxheads xdisplayname ...\n");
+      printf("Example:\n");
+      printf("  glxheads :0 mars:0 venus:1\n");
+      h = AddHead(":0");
+      if (h)
+         PrintInfo(h);
+   }
+   else {
+      for (i = 1; i < argc; i++) {
+         const char *name = argv[i];
+         struct head *h = AddHead(name);
+         if (h) {
+            PrintInfo(h);
+         }
+      }
+   }
+
+   EventLoop();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/xdemos/glxinfo.c b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/glxinfo.c
new file mode 100644
index 000000000..957761273
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/glxinfo.c
@@ -0,0 +1,812 @@
+/*
+ * Copyright (C) 1999-2002  Brian Paul   All Rights Reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+/*
+ * This program is a work-alike of the IRIX glxinfo program.
+ * Command line options:
+ *  -t                     print wide table
+ *  -v                     print verbose information
+ *  -display DisplayName   specify the X display to interogate
+ *  -b                     only print ID of "best" visual on screen 0
+ *  -i                     use indirect rendering connection only
+ *  -l                     print interesting OpenGL limits (added 5 Sep 2002)
+ *
+ * Brian Paul  26 January 2000
+ */
+
+#define DO_GLU  /* may want to remove this for easier XFree86 building? */
+
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <GL/gl.h>
+#ifdef DO_GLU
+#include <GL/glu.h>
+#endif
+#include <GL/glx.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+
+#ifndef GLX_NONE_EXT
+#define GLX_NONE_EXT  0x8000
+#endif
+
+#ifndef GLX_TRANSPARENT_RGB
+#define GLX_TRANSPARENT_RGB 0x8008
+#endif
+
+typedef enum
+{
+   Normal,
+   Wide,
+   Verbose
+} InfoMode;
+
+
+struct visual_attribs
+{
+   /* X visual attribs */
+   int id;
+   int klass;
+   int depth;
+   int redMask, greenMask, blueMask;
+   int colormapSize;
+   int bitsPerRGB;
+
+   /* GL visual attribs */
+   int supportsGL;
+   int transparentType;
+   int transparentRedValue;
+   int transparentGreenValue;
+   int transparentBlueValue;
+   int transparentAlphaValue;
+   int transparentIndexValue;
+   int bufferSize;
+   int level;
+   int rgba;
+   int doubleBuffer;
+   int stereo;
+   int auxBuffers;
+   int redSize, greenSize, blueSize, alphaSize;
+   int depthSize;
+   int stencilSize;
+   int accumRedSize, accumGreenSize, accumBlueSize, accumAlphaSize;
+   int numSamples, numMultisample;
+   int visualCaveat;
+};
+
+   
+/*
+ * Print a list of extensions, with word-wrapping.
+ */
+static void
+print_extension_list(const char *ext)
+{
+   const char *indentString = "    ";
+   const int indent = 4;
+   const int max = 79;
+   int width, i, j;
+
+   if (!ext || !ext[0])
+      return;
+
+   width = indent;
+   printf(indentString);
+   i = j = 0;
+   while (1) {
+      if (ext[j] == ' ' || ext[j] == 0) {
+         /* found end of an extension name */
+         const int len = j - i;
+         if (width + len > max) {
+            /* start a new line */
+            printf("\n");
+            width = indent;
+            printf(indentString);
+         }
+         /* print the extension name between ext[i] and ext[j] */
+         while (i < j) {
+            printf("%c", ext[i]);
+            i++;
+         }
+         /* either we're all done, or we'll continue with next extension */
+         width += len + 1;
+         if (ext[j] == 0) {
+            break;
+         }
+         else {
+            i++;
+            j++;
+            if (ext[j] == 0)
+               break;
+            printf(", ");
+            width += 2;
+         }
+      }
+      j++;
+   }
+   printf("\n");
+}
+
+
+static void
+print_display_info(Display *dpy)
+{
+   printf("name of display: %s\n", DisplayString(dpy));
+}
+
+
+static void
+print_limits(void)
+{
+   struct token_name {
+      GLuint count;
+      GLenum token;
+      const char *name;
+   };
+   static const struct token_name limits[] = {
+      { 1, GL_MAX_ATTRIB_STACK_DEPTH, "GL_MAX_ATTRIB_STACK_DEPTH" },
+      { 1, GL_MAX_CLIENT_ATTRIB_STACK_DEPTH, "GL_MAX_CLIENT_ATTRIB_STACK_DEPTH" },
+      { 1, GL_MAX_CLIP_PLANES, "GL_MAX_CLIP_PLANES" },
+      { 1, GL_MAX_COLOR_MATRIX_STACK_DEPTH, "GL_MAX_COLOR_MATRIX_STACK_DEPTH" },
+      { 1, GL_MAX_ELEMENTS_VERTICES, "GL_MAX_ELEMENTS_VERTICES" },
+      { 1, GL_MAX_ELEMENTS_INDICES, "GL_MAX_ELEMENTS_INDICES" },
+      { 1, GL_MAX_EVAL_ORDER, "GL_MAX_EVAL_ORDER" },
+      { 1, GL_MAX_LIGHTS, "GL_MAX_LIGHTS" },
+      { 1, GL_MAX_LIST_NESTING, "GL_MAX_LIST_NESTING" },
+      { 1, GL_MAX_MODELVIEW_STACK_DEPTH, "GL_MAX_MODELVIEW_STACK_DEPTH" },
+      { 1, GL_MAX_NAME_STACK_DEPTH, "GL_MAX_NAME_STACK_DEPTH" },
+      { 1, GL_MAX_PIXEL_MAP_TABLE, "GL_MAX_PIXEL_MAP_TABLE" },
+      { 1, GL_MAX_PROJECTION_STACK_DEPTH, "GL_MAX_PROJECTION_STACK_DEPTH" },
+      { 1, GL_MAX_TEXTURE_STACK_DEPTH, "GL_MAX_TEXTURE_STACK_DEPTH" },
+      { 1, GL_MAX_TEXTURE_SIZE, "GL_MAX_TEXTURE_SIZE" },
+      { 1, GL_MAX_3D_TEXTURE_SIZE, "GL_MAX_3D_TEXTURE_SIZE" },
+      { 1, GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB, "GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB" },
+      { 1, GL_MAX_RECTANGLE_TEXTURE_SIZE_NV, "GL_MAX_RECTANGLE_TEXTURE_SIZE_NV" },
+      { 1, GL_NUM_COMPRESSED_TEXTURE_FORMATS_ARB, "GL_NUM_COMPRESSED_TEXTURE_FORMATS_ARB" },
+      { 1, GL_MAX_TEXTURE_UNITS_ARB, "GL_MAX_TEXTURE_UNITS_ARB" },
+      { 1, GL_MAX_TEXTURE_LOD_BIAS_EXT, "GL_MAX_TEXTURE_LOD_BIAS_EXT" },
+      { 1, GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, "GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT" },
+      { 2, GL_MAX_VIEWPORT_DIMS, "GL_MAX_VIEWPORT_DIMS" },
+      { 2, GL_ALIASED_LINE_WIDTH_RANGE, "GL_ALIASED_LINE_WIDTH_RANGE" },
+      { 2, GL_SMOOTH_LINE_WIDTH_RANGE, "GL_SMOOTH_LINE_WIDTH_RANGE" },
+      { 2, GL_ALIASED_POINT_SIZE_RANGE, "GL_ALIASED_POINT_SIZE_RANGE" },
+      { 2, GL_SMOOTH_POINT_SIZE_RANGE, "GL_SMOOTH_POINT_SIZE_RANGE" },
+      { 0, (GLenum) 0, NULL }
+   };
+   GLint i, max[2];
+   printf("OpenGL limits:\n");
+   for (i = 0; limits[i].count; i++) {
+      glGetIntegerv(limits[i].token, max);
+      if (glGetError() == GL_NONE) {
+         if (limits[i].count == 1)
+            printf("    %s = %d\n", limits[i].name, max[0]);
+         else /* XXX fix if we ever query something with more than 2 values */
+            printf("    %s = %d, %d\n", limits[i].name, max[0], max[1]);
+      }
+   }
+   /* these don't fit into the above mechanism, unfortunately */
+   glGetConvolutionParameteriv(GL_CONVOLUTION_2D, GL_MAX_CONVOLUTION_WIDTH, max);
+   glGetConvolutionParameteriv(GL_CONVOLUTION_2D, GL_MAX_CONVOLUTION_HEIGHT, max+1);
+   if (glGetError() == GL_NONE) {
+      printf("    GL_MAX_CONVOLUTION_WIDTH/HEIGHT = %d, %d\n", max[0], max[1]);
+   }
+
+}
+
+
+static void
+print_screen_info(Display *dpy, int scrnum, Bool allowDirect, GLboolean limits)
+{
+   Window win;
+   int attribSingle[] = {
+      GLX_RGBA,
+      GLX_RED_SIZE, 1,
+      GLX_GREEN_SIZE, 1,
+      GLX_BLUE_SIZE, 1,
+      None };
+   int attribDouble[] = {
+      GLX_RGBA,
+      GLX_RED_SIZE, 1,
+      GLX_GREEN_SIZE, 1,
+      GLX_BLUE_SIZE, 1,
+      GLX_DOUBLEBUFFER,
+      None };
+
+   XSetWindowAttributes attr;
+   unsigned long mask;
+   Window root;
+   GLXContext ctx;
+   XVisualInfo *visinfo;
+   int width = 100, height = 100;
+
+   root = RootWindow(dpy, scrnum);
+
+   visinfo = glXChooseVisual(dpy, scrnum, attribSingle);
+   if (!visinfo) {
+      visinfo = glXChooseVisual(dpy, scrnum, attribDouble);
+      if (!visinfo) {
+         fprintf(stderr, "Error: couldn't find RGB GLX visual\n");
+         return;
+      }
+   }
+
+   attr.background_pixel = 0;
+   attr.border_pixel = 0;
+   attr.colormap = XCreateColormap(dpy, root, visinfo->visual, AllocNone);
+   attr.event_mask = StructureNotifyMask | ExposureMask;
+   mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
+   win = XCreateWindow(dpy, root, 0, 0, width, height,
+		       0, visinfo->depth, InputOutput,
+		       visinfo->visual, mask, &attr);
+
+   ctx = glXCreateContext( dpy, visinfo, NULL, allowDirect );
+   if (!ctx) {
+      fprintf(stderr, "Error: glXCreateContext failed\n");
+      XFree(visinfo);
+      XDestroyWindow(dpy, win);
+      return;
+   }
+
+   if (glXMakeCurrent(dpy, win, ctx)) {
+      const char *serverVendor = glXQueryServerString(dpy, scrnum, GLX_VENDOR);
+      const char *serverVersion = glXQueryServerString(dpy, scrnum, GLX_VERSION);
+      const char *serverExtensions = glXQueryServerString(dpy, scrnum, GLX_EXTENSIONS);
+      const char *clientVendor = glXGetClientString(dpy, GLX_VENDOR);
+      const char *clientVersion = glXGetClientString(dpy, GLX_VERSION);
+      const char *clientExtensions = glXGetClientString(dpy, GLX_EXTENSIONS);
+      const char *glxExtensions = glXQueryExtensionsString(dpy, scrnum);
+      const char *glVendor = (const char *) glGetString(GL_VENDOR);
+      const char *glRenderer = (const char *) glGetString(GL_RENDERER);
+      const char *glVersion = (const char *) glGetString(GL_VERSION);
+      const char *glExtensions = (const char *) glGetString(GL_EXTENSIONS);
+      int glxVersionMajor;
+      int glxVersionMinor;
+      char *displayName = NULL;
+      char *colon = NULL, *period = NULL;
+#ifdef DO_GLU
+      const char *gluVersion = (const char *) gluGetString(GLU_VERSION);
+      const char *gluExtensions = (const char *) gluGetString(GLU_EXTENSIONS);
+#endif
+      
+      if (! glXQueryVersion( dpy, & glxVersionMajor, & glxVersionMinor )) {
+         fprintf(stderr, "Error: glXQueryVersion failed\n");
+         exit(1);
+      }
+
+      /* Strip the screen number from the display name, if present. */
+      if (!(displayName = (char *) malloc(strlen(DisplayString(dpy)) + 1))) {
+         fprintf(stderr, "Error: malloc() failed\n");
+         exit(1);
+      }
+      strcpy(displayName, DisplayString(dpy));
+      colon = strrchr(displayName, ':');
+      if (colon) {
+         period = strchr(colon, '.');
+         if (period)
+            *period = '\0';
+      }
+      printf("display: %s  screen: %d\n", displayName, scrnum);
+      free(displayName);
+      printf("direct rendering: %s\n", glXIsDirect(dpy, ctx) ? "Yes" : "No");
+      printf("server glx vendor string: %s\n", serverVendor);
+      printf("server glx version string: %s\n", serverVersion);
+      printf("server glx extensions:\n");
+      print_extension_list(serverExtensions);
+      printf("client glx vendor string: %s\n", clientVendor);
+      printf("client glx version string: %s\n", clientVersion);
+      printf("client glx extensions:\n");
+      print_extension_list(clientExtensions);
+      printf("GLX version: %u.%u\n", glxVersionMajor, glxVersionMinor);
+      printf("GLX extensions:\n");
+      print_extension_list(glxExtensions);
+      printf("OpenGL vendor string: %s\n", glVendor);
+      printf("OpenGL renderer string: %s\n", glRenderer);
+      printf("OpenGL version string: %s\n", glVersion);
+      printf("OpenGL extensions:\n");
+      print_extension_list(glExtensions);
+      if (limits)
+         print_limits();
+#ifdef DO_GLU
+      printf("glu version: %s\n", gluVersion);
+      printf("glu extensions:\n");
+      print_extension_list(gluExtensions);
+#endif
+   }
+   else {
+      fprintf(stderr, "Error: glXMakeCurrent failed\n");
+   }
+
+   glXDestroyContext(dpy, ctx);
+   XFree(visinfo);
+   XDestroyWindow(dpy, win);
+}
+
+
+static const char *
+visual_class_name(int cls)
+{
+   switch (cls) {
+      case StaticColor:
+         return "StaticColor";
+      case PseudoColor:
+         return "PseudoColor";
+      case StaticGray:
+         return "StaticGray";
+      case GrayScale:
+         return "GrayScale";
+      case TrueColor:
+         return "TrueColor";
+      case DirectColor:
+         return "DirectColor";
+      default:
+         return "";
+   }
+}
+
+
+static const char *
+visual_class_abbrev(int cls)
+{
+   switch (cls) {
+      case StaticColor:
+         return "sc";
+      case PseudoColor:
+         return "pc";
+      case StaticGray:
+         return "sg";
+      case GrayScale:
+         return "gs";
+      case TrueColor:
+         return "tc";
+      case DirectColor:
+         return "dc";
+      default:
+         return "";
+   }
+}
+
+
+static void
+get_visual_attribs(Display *dpy, XVisualInfo *vInfo,
+                   struct visual_attribs *attribs)
+{
+   const char *ext = glXQueryExtensionsString(dpy, vInfo->screen);
+
+   memset(attribs, 0, sizeof(struct visual_attribs));
+
+   attribs->id = vInfo->visualid;
+#if defined(__cplusplus) || defined(c_plusplus)
+   attribs->klass = vInfo->c_class;
+#else
+   attribs->klass = vInfo->class;
+#endif
+   attribs->depth = vInfo->depth;
+   attribs->redMask = vInfo->red_mask;
+   attribs->greenMask = vInfo->green_mask;
+   attribs->blueMask = vInfo->blue_mask;
+   attribs->colormapSize = vInfo->colormap_size;
+   attribs->bitsPerRGB = vInfo->bits_per_rgb;
+
+   if (glXGetConfig(dpy, vInfo, GLX_USE_GL, &attribs->supportsGL) != 0)
+      return;
+   glXGetConfig(dpy, vInfo, GLX_BUFFER_SIZE, &attribs->bufferSize);
+   glXGetConfig(dpy, vInfo, GLX_LEVEL, &attribs->level);
+   glXGetConfig(dpy, vInfo, GLX_RGBA, &attribs->rgba);
+   glXGetConfig(dpy, vInfo, GLX_DOUBLEBUFFER, &attribs->doubleBuffer);
+   glXGetConfig(dpy, vInfo, GLX_STEREO, &attribs->stereo);
+   glXGetConfig(dpy, vInfo, GLX_AUX_BUFFERS, &attribs->auxBuffers);
+   glXGetConfig(dpy, vInfo, GLX_RED_SIZE, &attribs->redSize);
+   glXGetConfig(dpy, vInfo, GLX_GREEN_SIZE, &attribs->greenSize);
+   glXGetConfig(dpy, vInfo, GLX_BLUE_SIZE, &attribs->blueSize);
+   glXGetConfig(dpy, vInfo, GLX_ALPHA_SIZE, &attribs->alphaSize);
+   glXGetConfig(dpy, vInfo, GLX_DEPTH_SIZE, &attribs->depthSize);
+   glXGetConfig(dpy, vInfo, GLX_STENCIL_SIZE, &attribs->stencilSize);
+   glXGetConfig(dpy, vInfo, GLX_ACCUM_RED_SIZE, &attribs->accumRedSize);
+   glXGetConfig(dpy, vInfo, GLX_ACCUM_GREEN_SIZE, &attribs->accumGreenSize);
+   glXGetConfig(dpy, vInfo, GLX_ACCUM_BLUE_SIZE, &attribs->accumBlueSize);
+   glXGetConfig(dpy, vInfo, GLX_ACCUM_ALPHA_SIZE, &attribs->accumAlphaSize);
+
+   /* get transparent pixel stuff */
+   glXGetConfig(dpy, vInfo,GLX_TRANSPARENT_TYPE, &attribs->transparentType);
+   if (attribs->transparentType == GLX_TRANSPARENT_RGB) {
+     glXGetConfig(dpy, vInfo, GLX_TRANSPARENT_RED_VALUE, &attribs->transparentRedValue);
+     glXGetConfig(dpy, vInfo, GLX_TRANSPARENT_GREEN_VALUE, &attribs->transparentGreenValue);
+     glXGetConfig(dpy, vInfo, GLX_TRANSPARENT_BLUE_VALUE, &attribs->transparentBlueValue);
+     glXGetConfig(dpy, vInfo, GLX_TRANSPARENT_ALPHA_VALUE, &attribs->transparentAlphaValue);
+   }
+   else if (attribs->transparentType == GLX_TRANSPARENT_INDEX) {
+     glXGetConfig(dpy, vInfo, GLX_TRANSPARENT_INDEX_VALUE, &attribs->transparentIndexValue);
+   }
+
+   /* multisample attribs */
+#ifdef GLX_ARB_multisample
+   if (strstr("GLX_ARB_multisample", ext) == 0) {
+      glXGetConfig(dpy, vInfo, GLX_SAMPLE_BUFFERS_ARB, &attribs->numMultisample);
+      glXGetConfig(dpy, vInfo, GLX_SAMPLES_ARB, &attribs->numSamples);
+   }
+#endif
+   else {
+      attribs->numSamples = 0;
+      attribs->numMultisample = 0;
+   }
+
+#if defined(GLX_EXT_visual_rating)
+   if (ext && strstr(ext, "GLX_EXT_visual_rating")) {
+      glXGetConfig(dpy, vInfo, GLX_VISUAL_CAVEAT_EXT, &attribs->visualCaveat);
+   }
+   else {
+      attribs->visualCaveat = GLX_NONE_EXT;
+   }
+#else
+   attribs->visualCaveat = 0;
+#endif
+}
+
+
+static void
+print_visual_attribs_verbose(const struct visual_attribs *attribs)
+{
+   printf("Visual ID: %x  depth=%d  class=%s\n",
+          attribs->id, attribs->depth, visual_class_name(attribs->klass));
+   printf("    bufferSize=%d level=%d renderType=%s doubleBuffer=%d stereo=%d\n",
+          attribs->bufferSize, attribs->level, attribs->rgba ? "rgba" : "ci",
+          attribs->doubleBuffer, attribs->stereo);
+   printf("    rgba: redSize=%d greenSize=%d blueSize=%d alphaSize=%d\n",
+          attribs->redSize, attribs->greenSize,
+          attribs->blueSize, attribs->alphaSize);
+   printf("    auxBuffers=%d depthSize=%d stencilSize=%d\n",
+          attribs->auxBuffers, attribs->depthSize, attribs->stencilSize);
+   printf("    accum: redSize=%d greenSize=%d blueSize=%d alphaSize=%d\n",
+          attribs->accumRedSize, attribs->accumGreenSize,
+          attribs->accumBlueSize, attribs->accumAlphaSize);
+   printf("    multiSample=%d  multiSampleBuffers=%d\n",
+          attribs->numSamples, attribs->numMultisample);
+#ifdef GLX_EXT_visual_rating
+   if (attribs->visualCaveat == GLX_NONE_EXT || attribs->visualCaveat == 0)
+      printf("    visualCaveat=None\n");
+   else if (attribs->visualCaveat == GLX_SLOW_VISUAL_EXT)
+      printf("    visualCaveat=Slow\n");
+   else if (attribs->visualCaveat == GLX_NON_CONFORMANT_VISUAL_EXT)
+      printf("    visualCaveat=Nonconformant\n");
+#endif
+   if (attribs->transparentType == GLX_NONE) {
+     printf("    Opaque.\n");
+   }
+   else if (attribs->transparentType == GLX_TRANSPARENT_RGB) {
+     printf("    Transparent RGB: Red=%d Green=%d Blue=%d Alpha=%d\n",attribs->transparentRedValue,attribs->transparentGreenValue,attribs->transparentBlueValue,attribs->transparentAlphaValue);
+   }
+   else if (attribs->transparentType == GLX_TRANSPARENT_INDEX) {
+     printf("    Transparent index=%d\n",attribs->transparentIndexValue);
+   }
+}
+
+
+static void
+print_visual_attribs_short_header(void)
+{
+ printf("   visual  x  bf lv rg d st colorbuffer ax dp st accumbuffer  ms  cav\n");
+ printf(" id dep cl sp sz l  ci b ro  r  g  b  a bf th cl  r  g  b  a ns b eat\n");
+ printf("----------------------------------------------------------------------\n");
+}
+
+
+static void
+print_visual_attribs_short(const struct visual_attribs *attribs)
+{
+   char *caveat = NULL;
+#ifdef GLX_EXT_visual_rating
+   if (attribs->visualCaveat == GLX_NONE_EXT || attribs->visualCaveat == 0)
+      caveat = "None";
+   else if (attribs->visualCaveat == GLX_SLOW_VISUAL_EXT)
+      caveat = "Slow";
+   else if (attribs->visualCaveat == GLX_NON_CONFORMANT_VISUAL_EXT)
+      caveat = "Ncon";
+   else
+      caveat = "None";
+#else
+   caveat = "None";
+#endif 
+
+   printf("0x%2x %2d %2s %2d %2d %2d %1s %2s %2s %2d %2d %2d %2d %2d %2d %2d",
+          attribs->id,
+          attribs->depth,
+          visual_class_abbrev(attribs->klass),
+          attribs->transparentType != GLX_NONE,
+          attribs->bufferSize,
+          attribs->level,
+          attribs->rgba ? "r" : "c",
+          attribs->doubleBuffer ? "y" : ".",
+          attribs->stereo ? "y" : ".",
+          attribs->redSize, attribs->greenSize,
+          attribs->blueSize, attribs->alphaSize,
+          attribs->auxBuffers,
+          attribs->depthSize,
+          attribs->stencilSize
+          );
+
+   printf(" %2d %2d %2d %2d %2d %1d %s\n",
+          attribs->accumRedSize, attribs->accumGreenSize,
+          attribs->accumBlueSize, attribs->accumAlphaSize,
+          attribs->numSamples, attribs->numMultisample,
+          caveat
+          );
+}
+
+
+static void
+print_visual_attribs_long_header(void)
+{
+ printf("Vis  Vis   Visual Trans  buff lev render DB ste  r   g   b   a  aux dep ste  accum buffers  MS   MS\n");
+ printf(" ID Depth   Type  parent size el   type     reo sz  sz  sz  sz  buf th  ncl  r   g   b   a  num bufs\n");
+ printf("----------------------------------------------------------------------------------------------------\n");
+}
+
+
+static void
+print_visual_attribs_long(const struct visual_attribs *attribs)
+{
+   printf("0x%2x %2d %-11s %2d     %2d %2d  %4s %3d %3d %3d %3d %3d %3d",
+          attribs->id,
+          attribs->depth,
+          visual_class_name(attribs->klass),
+          attribs->transparentType != GLX_NONE,
+          attribs->bufferSize,
+          attribs->level,
+          attribs->rgba ? "rgba" : "ci  ",
+          attribs->doubleBuffer,
+          attribs->stereo,
+          attribs->redSize, attribs->greenSize,
+          attribs->blueSize, attribs->alphaSize
+          );
+
+   printf(" %3d %4d %2d %3d %3d %3d %3d  %2d  %2d\n",
+          attribs->auxBuffers,
+          attribs->depthSize,
+          attribs->stencilSize,
+          attribs->accumRedSize, attribs->accumGreenSize,
+          attribs->accumBlueSize, attribs->accumAlphaSize,
+          attribs->numSamples, attribs->numMultisample
+          );
+}
+
+
+static void
+print_visual_info(Display *dpy, int scrnum, InfoMode mode)
+{
+   XVisualInfo theTemplate;
+   XVisualInfo *visuals;
+   int numVisuals;
+   long mask;
+   int i;
+
+   /* get list of all visuals on this screen */
+   theTemplate.screen = scrnum;
+   mask = VisualScreenMask;
+   visuals = XGetVisualInfo(dpy, mask, &theTemplate, &numVisuals);
+
+   if (mode == Verbose) {
+      for (i = 0; i < numVisuals; i++) {
+         struct visual_attribs attribs;
+         get_visual_attribs(dpy, &visuals[i], &attribs);
+         print_visual_attribs_verbose(&attribs);
+      }
+   }
+   else if (mode == Normal) {
+      print_visual_attribs_short_header();
+      for (i = 0; i < numVisuals; i++) {
+         struct visual_attribs attribs;
+         get_visual_attribs(dpy, &visuals[i], &attribs);
+         print_visual_attribs_short(&attribs);
+      }
+   }
+   else if (mode == Wide) {
+      print_visual_attribs_long_header();
+      for (i = 0; i < numVisuals; i++) {
+         struct visual_attribs attribs;
+         get_visual_attribs(dpy, &visuals[i], &attribs);
+         print_visual_attribs_long(&attribs);
+      }
+   }
+
+   XFree(visuals);
+}
+
+
+/*
+ * Stand-alone Mesa doesn't really implement the GLX protocol so it
+ * doesn't really know the GLX attributes associated with an X visual.
+ * The first time a visual is presented to Mesa's pseudo-GLX it
+ * attaches ancilliary buffers to it (like depth and stencil).
+ * But that usually only works if glXChooseVisual is used.
+ * This function calls glXChooseVisual() to sort of "prime the pump"
+ * for Mesa's GLX so that the visuals that get reported actually
+ * reflect what applications will see.
+ * This has no effect when using true GLX.
+ */
+static void
+mesa_hack(Display *dpy, int scrnum)
+{
+   static int attribs[] = {
+      GLX_RGBA,
+      GLX_RED_SIZE, 1,
+      GLX_GREEN_SIZE, 1,
+      GLX_BLUE_SIZE, 1,
+      GLX_DEPTH_SIZE, 1,
+      GLX_STENCIL_SIZE, 1,
+      GLX_ACCUM_RED_SIZE, 1,
+      GLX_ACCUM_GREEN_SIZE, 1,
+      GLX_ACCUM_BLUE_SIZE, 1,
+      GLX_ACCUM_ALPHA_SIZE, 1,
+      GLX_DOUBLEBUFFER,
+      None
+   };
+   XVisualInfo *visinfo;
+
+   visinfo = glXChooseVisual(dpy, scrnum, attribs);
+   if (visinfo)
+      XFree(visinfo);
+}
+
+
+/*
+ * Examine all visuals to find the so-called best one.
+ * We prefer deepest RGBA buffer with depth, stencil and accum
+ * that has no caveats.
+ */
+static int
+find_best_visual(Display *dpy, int scrnum)
+{
+   XVisualInfo theTemplate;
+   XVisualInfo *visuals;
+   int numVisuals;
+   long mask;
+   int i;
+   struct visual_attribs bestVis;
+
+   /* get list of all visuals on this screen */
+   theTemplate.screen = scrnum;
+   mask = VisualScreenMask;
+   visuals = XGetVisualInfo(dpy, mask, &theTemplate, &numVisuals);
+
+   /* init bestVis with first visual info */
+   get_visual_attribs(dpy, &visuals[0], &bestVis);
+
+   /* try to find a "better" visual */
+   for (i = 1; i < numVisuals; i++) {
+      struct visual_attribs vis;
+
+      get_visual_attribs(dpy, &visuals[i], &vis);
+
+      /* always skip visuals with caveats */
+      if (vis.visualCaveat != GLX_NONE_EXT)
+         continue;
+
+      /* see if this vis is better than bestVis */
+      if ((!bestVis.supportsGL && vis.supportsGL) ||
+          (bestVis.visualCaveat != GLX_NONE_EXT) ||
+          (!bestVis.rgba && vis.rgba) ||
+          (!bestVis.doubleBuffer && vis.doubleBuffer) ||
+          (bestVis.redSize < vis.redSize) ||
+          (bestVis.greenSize < vis.greenSize) ||
+          (bestVis.blueSize < vis.blueSize) ||
+          (bestVis.alphaSize < vis.alphaSize) ||
+          (bestVis.depthSize < vis.depthSize) ||
+          (bestVis.stencilSize < vis.stencilSize) ||
+          (bestVis.accumRedSize < vis.accumRedSize)) {
+         /* found a better visual */
+         bestVis = vis;
+      }
+   }
+
+   XFree(visuals);
+
+   return bestVis.id;
+}
+
+
+static void
+usage(void)
+{
+   printf("Usage: glxinfo [-v] [-t] [-h] [-i] [-b] [-display <dname>]\n");
+   printf("\t-v: Print visuals info in verbose form.\n");
+   printf("\t-t: Print verbose table.\n");
+   printf("\t-display <dname>: Print GLX visuals on specified server.\n");
+   printf("\t-h: This information.\n");
+   printf("\t-i: Force an indirect rendering context.\n");
+   printf("\t-b: Find the 'best' visual and print it's number.\n");
+   printf("\t-l: Print interesting OpenGL limits.\n");
+}
+
+
+int
+main(int argc, char *argv[])
+{
+   char *displayName = NULL;
+   Display *dpy;
+   int numScreens, scrnum;
+   InfoMode mode = Normal;
+   GLboolean findBest = GL_FALSE;
+   GLboolean limits = GL_FALSE;
+   Bool allowDirect = True;
+   int i;
+
+   for (i = 1; i < argc; i++) {
+      if (strcmp(argv[i], "-display") == 0 && i + 1 < argc) {
+         displayName = argv[i + 1];
+         i++;
+      }
+      else if (strcmp(argv[i], "-t") == 0) {
+         mode = Wide;
+      }
+      else if (strcmp(argv[i], "-v") == 0) {
+         mode = Verbose;
+      }
+      else if (strcmp(argv[i], "-b") == 0) {
+         findBest = GL_TRUE;
+      }
+      else if (strcmp(argv[i], "-i") == 0) {
+         allowDirect = False;
+      }
+      else if (strcmp(argv[i], "-l") == 0) {
+         limits = GL_TRUE;
+      }
+      else if (strcmp(argv[i], "-h") == 0) {
+         usage();
+         return 0;
+      }
+      else {
+         printf("Unknown option `%s'\n", argv[i]);
+         usage();
+         return 0;
+      }
+   }
+
+   dpy = XOpenDisplay(displayName);
+   if (!dpy) {
+      fprintf(stderr, "Error: unable to open display %s\n", displayName);
+      return -1;
+   }
+
+   if (findBest) {
+      int b;
+      mesa_hack(dpy, 0);
+      b = find_best_visual(dpy, 0);
+      printf("%d\n", b);
+   }
+   else {
+      numScreens = ScreenCount(dpy);
+      print_display_info(dpy);
+      for (scrnum = 0; scrnum < numScreens; scrnum++) {
+         mesa_hack(dpy, scrnum);
+         print_screen_info(dpy, scrnum, allowDirect, limits);
+         printf("\n");
+         print_visual_info(dpy, scrnum, mode);
+         if (scrnum + 1 < numScreens)
+            printf("\n\n");
+      }
+   }
+
+   XCloseDisplay(dpy);
+
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/xdemos/glxpbdemo.c b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/glxpbdemo.c
new file mode 100644
index 000000000..91fd30dca
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/glxpbdemo.c
@@ -0,0 +1,430 @@
+
+/*
+ * This program demonstrates how to do "off-screen" rendering using
+ * the GLX pixel buffer extension.
+ *
+ * Written by Brian Paul for the "OpenGL and Window System Integration"
+ * course presented at SIGGRAPH '97.  Updated on 5 October 2002.
+ *
+ * Updated on 31 January 2004 to use native GLX by
+ * Andrew P. Lentvorski, Jr. <bsder@allcaps.org>
+ *
+ * Usage:
+ *   glxpbdemo width height imgfile
+ * Where:
+ *   width is the width, in pixels, of the image to generate.
+ *   height is the height, in pixels, of the image to generate.
+ *   imgfile is the name of the PPM image file to write.
+ *
+ *
+ * This demo draws 3-D boxes with random orientation.
+ *
+ * On machines such as the SGI Indigo you may have to reconfigure your
+ * display/X server to enable pbuffers.  Look in the /usr/gfx/ucode/MGRAS/vof/
+ * directory for display configurations with the _pbuf suffix.  Use
+ * setmon -x <vof> to configure your X server and display for pbuffers.
+ *
+ * O2 systems seem to support pbuffers well.
+ *
+ */
+
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <X11/Xlib.h>
+#include <GL/glx.h>
+
+/* Some ugly global vars */
+static GLXFBConfig gFBconfig = 0;
+static Display *gDpy = NULL;
+static int gScreen = 0;
+static GLXPbuffer gPBuffer = 0;
+static int gWidth, gHeight;
+
+
+/*
+ * Test for appropriate version of GLX to run this program
+ * Input:  dpy - the X display
+ *         screen - screen number
+ * Return:  0 = GLX not available.
+ *          1 = GLX available.
+ */
+static int
+RuntimeQueryGLXVersion(Display *dpy, int screen)
+{
+#if defined(GLX_VERSION_1_3) || defined(GLX_VERSION_1_4)
+   char *glxversion;
+ 
+   glxversion = (char *) glXGetClientString(dpy, GLX_VERSION);
+   if (!(strstr(glxversion, "1.3") || strstr(glxversion, "1.4")))
+      return 0;
+
+   glxversion = (char *) glXQueryServerString(dpy, screen, GLX_VERSION);
+   if (!(strstr(glxversion, "1.3") || strstr(glxversion, "1.4")))
+      return 0;
+
+   return 1;
+#else
+   return 0;
+#endif
+}
+
+
+
+/*
+ * Create the pbuffer and return a GLXPbuffer handle.
+ */
+static GLXPbuffer
+MakePbuffer( Display *dpy, int screen, int width, int height )
+{
+   GLXFBConfig *fbConfigs;
+   GLXFBConfig chosenFBConfig;
+   GLXPbuffer pBuffer = None;
+
+   int nConfigs;
+   int fbconfigid;
+
+   int fbAttribs[] = {
+      GLX_RENDER_TYPE, GLX_RGBA_BIT,
+      GLX_DEPTH_SIZE, 1,
+      GLX_DRAWABLE_TYPE, GLX_PIXMAP_BIT | GLX_PBUFFER_BIT,
+      None
+   };
+
+   int pbAttribs[] = {
+      GLX_PBUFFER_WIDTH, 0,
+      GLX_PBUFFER_HEIGHT, 0,
+      GLX_LARGEST_PBUFFER, False,
+      GLX_PRESERVED_CONTENTS, False,
+      None
+   };
+
+   pbAttribs[1] = width;
+   pbAttribs[3] = height;
+
+   fbConfigs = glXChooseFBConfig(dpy, screen, fbAttribs, &nConfigs);
+
+   if (0 == nConfigs || !fbConfigs) {
+      printf("Error: glxChooseFBConfig failed\n");
+      XCloseDisplay(dpy);
+      return 0;
+   }
+
+   chosenFBConfig = fbConfigs[0];
+
+   glXGetFBConfigAttrib(dpy, chosenFBConfig, GLX_FBCONFIG_ID, &fbconfigid);
+   printf("Chose 0x%x as fbconfigid\n", fbconfigid);
+
+   /* Create the pbuffer using first fbConfig in the list that works. */
+   pBuffer = glXCreatePbuffer(dpy, chosenFBConfig, pbAttribs);
+
+   if (pBuffer) {
+      gFBconfig = chosenFBConfig;
+      gWidth = width;
+      gHeight = height;
+   }
+
+   XFree(fbConfigs);
+
+   return pBuffer;
+}
+
+
+
+/*
+ * Do all the X / GLX setup stuff.
+ */
+static int
+Setup(int width, int height)
+{
+#if defined(GLX_VERSION_1_3) || defined(GLX_VERSION_1_4)
+   GLXContext glCtx;
+
+   /* Open the X display */
+   gDpy = XOpenDisplay(NULL);
+   if (!gDpy) {
+      printf("Error: couldn't open default X display.\n");
+      return 0;
+   }
+
+   /* Get default screen */
+   gScreen = DefaultScreen(gDpy);
+
+   /* Test that GLX is available */
+   if (!RuntimeQueryGLXVersion(gDpy, gScreen)) {
+     printf("Error: GLX 1.3 or 1.4 not available\n");
+     XCloseDisplay(gDpy);
+     return 0;
+   }
+
+   /* Create Pbuffer */
+   gPBuffer = MakePbuffer( gDpy, gScreen, width, height );
+   if (gPBuffer==None) {
+      printf("Error: couldn't create pbuffer\n");
+      XCloseDisplay(gDpy);
+      return 0;
+   }
+
+   /* Create GLX context */
+   glCtx = glXCreateNewContext(gDpy, gFBconfig, GLX_RGBA_TYPE, NULL, True);
+   if (glCtx) {
+      if (!glXIsDirect(gDpy, glCtx)) {
+         printf("Warning: using indirect GLXContext\n");
+      }
+   }
+   else {
+      printf("Error: Couldn't create GLXContext\n");
+      XCloseDisplay(gDpy);
+      return 0;
+   }
+
+   /* Bind context to pbuffer */
+   if (!glXMakeCurrent(gDpy, gPBuffer, glCtx)) {
+      printf("Error: glXMakeCurrent failed\n");
+      XCloseDisplay(gDpy);
+      return 0;
+   }
+
+   return 1;  /* Success!! */
+#else
+   printf("Error: GLX version 1.3 or 1.4 not available at compile time\n");
+   return 0;
+#endif
+}
+
+
+
+/* One-time GL setup */
+static void
+InitGL(void)
+{
+   static GLfloat pos[4] = {0.0, 0.0, 10.0, 0.0};
+   glEnable(GL_LIGHTING);
+   glEnable(GL_LIGHT0);
+   glLightfv(GL_LIGHT0, GL_POSITION, pos);
+   glEnable(GL_NORMALIZE);
+   glEnable(GL_DEPTH_TEST);
+   glEnable(GL_CULL_FACE);
+
+   glViewport(0, 0, gWidth, gHeight);
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glFrustum( -1.0, 1.0, -1.0, 1.0, 5.0, 25.0 );
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   glTranslatef( 0.0, 0.0, -15.0 );
+
+}
+
+
+/* Return random float in [0,1] */
+static float
+Random(void)
+{
+   int i = rand();
+   return (float) (i % 1000) / 1000.0;
+}
+
+
+static void
+RandomColor(void)
+{
+   GLfloat c[4];
+   c[0] = Random();
+   c[1] = Random();
+   c[2] = Random();
+   c[3] = 1.0;
+   glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, c);
+}
+
+
+/* This function borrowed from Mark Kilgard's GLUT */
+static void
+drawBox(GLfloat x0, GLfloat x1, GLfloat y0, GLfloat y1,
+        GLfloat z0, GLfloat z1, GLenum type)
+{
+  static GLfloat n[6][3] =
+  {
+    {-1.0, 0.0, 0.0},
+    {0.0, 1.0, 0.0},
+    {1.0, 0.0, 0.0},
+    {0.0, -1.0, 0.0},
+    {0.0, 0.0, 1.0},
+    {0.0, 0.0, -1.0}
+  };
+  static GLint faces[6][4] =
+  {
+    {0, 1, 2, 3},
+    {3, 2, 6, 7},
+    {7, 6, 5, 4},
+    {4, 5, 1, 0},
+    {5, 6, 2, 1},
+    {7, 4, 0, 3}
+  };
+  GLfloat v[8][3], tmp;
+  GLint i;
+
+  if (x0 > x1) {
+    tmp = x0;
+    x0 = x1;
+    x1 = tmp;
+  }
+  if (y0 > y1) {
+    tmp = y0;
+    y0 = y1;
+    y1 = tmp;
+  }
+  if (z0 > z1) {
+    tmp = z0;
+    z0 = z1;
+    z1 = tmp;
+  }
+  v[0][0] = v[1][0] = v[2][0] = v[3][0] = x0;
+  v[4][0] = v[5][0] = v[6][0] = v[7][0] = x1;
+  v[0][1] = v[1][1] = v[4][1] = v[5][1] = y0;
+  v[2][1] = v[3][1] = v[6][1] = v[7][1] = y1;
+  v[0][2] = v[3][2] = v[4][2] = v[7][2] = z0;
+  v[1][2] = v[2][2] = v[5][2] = v[6][2] = z1;
+
+  for (i = 0; i < 6; i++) {
+    glBegin(type);
+    glNormal3fv(&n[i][0]);
+    glVertex3fv(&v[faces[i][0]][0]);
+    glVertex3fv(&v[faces[i][1]][0]);
+    glVertex3fv(&v[faces[i][2]][0]);
+    glVertex3fv(&v[faces[i][3]][0]);
+    glEnd();
+  }
+}
+
+
+
+/* Render a scene */
+static void
+Render(void)
+{
+   int NumBoxes = 100;
+   int i;
+
+   InitGL();
+   glClearColor(0.2, 0.2, 0.9, 0.0);
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+   for (i=0;i<NumBoxes;i++) {
+      float tx = -2.0 + 4.0 * Random();
+      float ty = -2.0 + 4.0 * Random();
+      float tz =  4.0 - 16.0 * Random();
+      float sx = 0.1 + Random() * 0.4;
+      float sy = 0.1 + Random() * 0.4;
+      float sz = 0.1 + Random() * 0.4;
+      float rx = Random();
+      float ry = Random();
+      float rz = Random();
+      float ra = Random() * 360.0;
+      glPushMatrix();
+      glTranslatef(tx, ty, tz);
+      glRotatef(ra, rx, ry, rz);
+      glScalef(sx, sy, sz);
+      RandomColor();
+      drawBox(-1.0, 1.0, -1.0, 1.0, -1.0, 1.0, GL_POLYGON);
+      glPopMatrix();
+   }
+
+   glFinish();
+}
+
+
+
+static void
+WriteFile(const char *filename)
+{
+   FILE *f;
+   GLubyte *image;
+   int i;
+
+   image = malloc(gWidth * gHeight * 3 * sizeof(GLubyte));
+   if (!image) {
+      printf("Error: couldn't allocate image buffer\n");
+      return;
+   }
+
+   glPixelStorei(GL_PACK_ALIGNMENT, 1);
+   glReadPixels(0, 0, gWidth, gHeight, GL_RGB, GL_UNSIGNED_BYTE, image);
+
+   f = fopen(filename, "w");
+   if (!f) {
+      printf("Couldn't open image file: %s\n", filename);
+      return;
+   }
+   fprintf(f,"P6\n");
+   fprintf(f,"# ppm-file created by %s\n", "trdemo2");
+   fprintf(f,"%i %i\n", gWidth, gHeight);
+   fprintf(f,"255\n");
+   fclose(f);
+   f = fopen(filename, "ab");  /* now append binary data */
+   if (!f) {
+      printf("Couldn't append to image file: %s\n", filename);
+      return;
+   }
+
+   for (i=0;i<gHeight;i++) {
+      GLubyte *rowPtr;
+      /* Remember, OpenGL images are bottom to top.  Have to reverse. */
+      rowPtr = image + (gHeight-1-i) * gWidth*3;
+      fwrite(rowPtr, 1, gWidth*3, f);
+   }
+
+   fclose(f);
+   free(image);
+
+   printf("Wrote %d by %d image file: %s\n", gWidth, gHeight, filename);
+}
+
+
+
+/*
+ * Print message describing command line parameters.
+ */
+static void
+Usage(const char *appName)
+{
+   printf("Usage:\n");
+   printf("  %s width height imgfile\n", appName);
+   printf("Where imgfile is a ppm file\n");
+}
+
+
+
+int
+main(int argc, char *argv[])
+{
+   if (argc!=4) {
+      Usage(argv[0]);
+   }
+   else {
+      int width = atoi(argv[1]);
+      int height = atoi(argv[2]);
+      char *fileName = argv[3];
+      if (width<=0) {
+         printf("Error: width parameter must be at least 1.\n");
+         return 1;
+      }
+      if (height<=0) {
+         printf("Error: height parameter must be at least 1.\n");
+         return 1;
+      }
+      if (!Setup(width, height)) {
+         return 1;
+      }
+
+      printf("Setup completed\n");
+      Render();
+      printf("Render completed.\n");
+      WriteFile(fileName);
+      printf("File write completed.\n");
+
+      glXDestroyPbuffer( gDpy, gPBuffer );
+   }
+   return 0;
+}
+
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/xdemos/glxpixmap.c b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/glxpixmap.c
new file mode 100644
index 000000000..9db4df2c8
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/glxpixmap.c
@@ -0,0 +1,186 @@
+
+
+/*
+ * A demonstration of using the GLXPixmap functions.  This program is in
+ * the public domain.
+ *
+ * Brian Paul
+ */
+
+
+#include <GL/gl.h>
+#define GLX_GLXEXT_PROTOTYPES
+#include <GL/glx.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+
+static GLXContext ctx;
+static XVisualInfo *visinfo;
+static GC gc;
+
+
+
+static Window make_rgb_window( Display *dpy,
+				  unsigned int width, unsigned int height )
+{
+   const int sbAttrib[] = { GLX_RGBA,
+                            GLX_RED_SIZE, 1,
+                            GLX_GREEN_SIZE, 1,
+                            GLX_BLUE_SIZE, 1,
+                            None };
+   const int dbAttrib[] = { GLX_RGBA,
+                            GLX_RED_SIZE, 1,
+                            GLX_GREEN_SIZE, 1,
+                            GLX_BLUE_SIZE, 1,
+                            GLX_DOUBLEBUFFER,
+                            None };
+   int scrnum;
+   XSetWindowAttributes attr;
+   unsigned long mask;
+   Window root;
+   Window win;
+
+   scrnum = DefaultScreen( dpy );
+   root = RootWindow( dpy, scrnum );
+
+   visinfo = glXChooseVisual( dpy, scrnum, (int *) sbAttrib );
+   if (!visinfo) {
+      visinfo = glXChooseVisual( dpy, scrnum, (int *) dbAttrib );
+      if (!visinfo) {
+         printf("Error: couldn't get an RGB visual\n");
+         exit(1);
+      }
+   }
+
+   /* window attributes */
+   attr.background_pixel = 0;
+   attr.border_pixel = 0;
+   /* TODO: share root colormap if possible */
+   attr.colormap = XCreateColormap( dpy, root, visinfo->visual, AllocNone);
+   attr.event_mask = StructureNotifyMask | ExposureMask;
+   mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
+
+   win = XCreateWindow( dpy, root, 0, 0, width, height,
+		        0, visinfo->depth, InputOutput,
+		        visinfo->visual, mask, &attr );
+
+   /* make an X GC so we can do XCopyArea later */
+   gc = XCreateGC( dpy, win, 0, NULL );
+
+   /* need indirect context */
+   ctx = glXCreateContext( dpy, visinfo, NULL, False );
+   if (!ctx) {
+      printf("Error: glXCreateContext failed\n");
+      exit(-1);
+   }
+
+   printf("Direct rendering: %s\n", glXIsDirect(dpy, ctx) ? "Yes" : "No");
+
+   return win;
+}
+
+
+static GLXPixmap make_pixmap( Display *dpy, Window win,
+			       unsigned int width, unsigned int height,
+                               Pixmap *pixmap)
+{
+   Pixmap pm;
+   GLXPixmap glxpm;
+   XWindowAttributes attr;
+
+   pm = XCreatePixmap( dpy, win, width, height, visinfo->depth );
+   if (!pm) {
+      printf("Error: XCreatePixmap failed\n");
+      exit(-1);
+   }
+
+   XGetWindowAttributes( dpy, win, &attr );
+
+   /*
+    * IMPORTANT:
+    *   Use the glXCreateGLXPixmapMESA funtion when using Mesa because
+    *   Mesa needs to know the colormap associated with a pixmap in order
+    *   to render correctly.  This is because Mesa allows RGB rendering
+    *   into any kind of visual, not just TrueColor or DirectColor.
+    */
+#ifdef GLX_MESA_pixmap_colormap
+   if (strstr(glXQueryExtensionsString(dpy, 0), "GLX_MESA_pixmap_colormap")) {
+      /* stand-alone Mesa, specify the colormap */
+      glxpm = glXCreateGLXPixmapMESA( dpy, visinfo, pm, attr.colormap );
+   }
+   else {
+      glxpm = glXCreateGLXPixmap( dpy, visinfo, pm );
+   }
+#else
+   /* This will work with Mesa too if the visual is TrueColor or DirectColor */
+   glxpm = glXCreateGLXPixmap( dpy, visinfo, pm );
+#endif
+
+   if (!glxpm) {
+      printf("Error: GLXCreateGLXPixmap failed\n");
+      exit(-1);
+   }
+
+   *pixmap = pm;
+
+   return glxpm;
+}
+
+
+
+static void event_loop( Display *dpy, GLXPixmap pm )
+{
+   XEvent event;
+
+   while (1) {
+      XNextEvent( dpy, &event );
+
+      switch (event.type) {
+	 case Expose:
+	    printf("Redraw\n");
+	    /* copy the image from GLXPixmap to window */
+	    XCopyArea( dpy, pm, event.xany.window,  /* src, dest */
+		       gc, 0, 0, 300, 300,          /* gc, src pos, size */
+		       0, 0 );                      /* dest pos */
+	    break;
+	 case ConfigureNotify:
+	    /* nothing */
+	    break;
+      }
+   }
+}
+
+
+
+int main( int argc, char *argv[] )
+{
+   Display *dpy;
+   Window win;
+   Pixmap pm;
+   GLXPixmap glxpm;
+
+   dpy = XOpenDisplay(NULL);
+
+   win = make_rgb_window( dpy, 300, 300 );
+   glxpm = make_pixmap( dpy, win, 300, 300, &pm );
+
+   glXMakeCurrent( dpy, glxpm, ctx );
+   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
+
+   /* Render an image into the pixmap */
+   glShadeModel( GL_FLAT );
+   glClearColor( 0.5, 0.5, 0.5, 1.0 );
+   glClear( GL_COLOR_BUFFER_BIT );
+   glViewport( 0, 0, 300, 300 );
+   glOrtho( -1.0, 1.0, -1.0, 1.0, -1.0, 1.0 );
+   glColor3f( 0.0, 1.0, 1.0 );
+   glRectf( -0.75, -0.75, 0.75, 0.75 );
+   glFlush();
+
+   XMapWindow( dpy, win );
+
+   event_loop( dpy, pm );
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/xdemos/glxswapcontrol.c b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/glxswapcontrol.c
new file mode 100644
index 000000000..0ed5ebe47
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/glxswapcontrol.c
@@ -0,0 +1,824 @@
+/*
+ * Copyright (C) 1999-2001  Brian Paul   All Rights Reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/*
+ * This is a port of the infamous "gears" demo to straight GLX (i.e. no GLUT)
+ * Port by Brian Paul  23 March 2001
+ *
+ * Modified by Ian Romanick <idr@us.ibm.com> 09 April 2003 to support
+ * GLX_{MESA,SGI}_swap_control and GLX_OML_sync_control.
+ *
+ * Command line options:
+ *    -display       Name of the display to use.
+ *    -info          print GL implementation information
+ *    -swap N        Attempt to set the swap interval to 1/N second
+ *    -forcegetrate  Get the display refresh rate even if the required GLX
+ *                   extension is not supported.
+ */
+
+
+#include <math.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <X11/Xlib.h>
+#include <X11/keysym.h>
+#ifndef __VMS
+/*# include <stdint.h>*/
+#endif
+# define GLX_GLXEXT_PROTOTYPES
+#include <GL/gl.h>
+#include <GL/glx.h>
+
+#ifndef GLX_MESA_swap_control
+typedef GLint ( * PFNGLXSWAPINTERVALMESAPROC) (unsigned interval);
+typedef GLint ( * PFNGLXGETSWAPINTERVALMESAPROC) ( void );
+#endif
+
+#if !defined( GLX_OML_sync_control ) && defined( _STDINT_H )
+#define GLX_OML_sync_control 1
+typedef Bool ( * PFNGLXGETMSCRATEOMLPROC) (Display *dpy, GLXDrawable drawable, int32_t *numerator, int32_t *denominator);
+#endif
+
+#ifndef GLX_MESA_swap_frame_usage
+#define GLX_MESA_swap_frame_usage 1
+typedef int ( * PFNGLXGETFRAMEUSAGEMESAPROC) (Display *dpy, GLXDrawable drawable, float * usage );
+#endif
+
+#define BENCHMARK
+
+PFNGLXGETFRAMEUSAGEMESAPROC get_frame_usage = NULL;
+
+#ifdef BENCHMARK
+
+/* XXX this probably isn't very portable */
+
+#include <sys/time.h>
+#include <unistd.h>
+
+#define NUL '\0'
+
+/* return current time (in seconds) */
+static int
+current_time(void)
+{
+   struct timeval tv;
+#ifdef __VMS
+   (void) gettimeofday(&tv, NULL );
+#else
+   struct timezone tz;
+   (void) gettimeofday(&tv, &tz);
+#endif
+   return (int) tv.tv_sec;
+}
+
+#else /*BENCHMARK*/
+
+/* dummy */
+static int
+current_time(void)
+{
+   return 0;
+}
+
+#endif /*BENCHMARK*/
+
+
+
+#ifndef M_PI
+#define M_PI 3.14159265
+#endif
+
+
+static GLfloat view_rotx = 20.0, view_roty = 30.0, view_rotz = 0.0;
+static GLint gear1, gear2, gear3;
+static GLfloat angle = 0.0;
+
+static GLboolean has_OML_sync_control = GL_FALSE;
+static GLboolean has_SGI_swap_control = GL_FALSE;
+static GLboolean has_MESA_swap_control = GL_FALSE;
+static GLboolean has_MESA_swap_frame_usage = GL_FALSE;
+
+static char ** extension_table = NULL;
+static unsigned num_extensions;
+
+static GLboolean use_ztrick = GL_FALSE;
+static GLfloat   aspect;
+
+/*
+ *
+ *  Draw a gear wheel.  You'll probably want to call this function when
+ *  building a display list since we do a lot of trig here.
+ * 
+ *  Input:  inner_radius - radius of hole at center
+ *          outer_radius - radius at center of teeth
+ *          width - width of gear
+ *          teeth - number of teeth
+ *          tooth_depth - depth of tooth
+ */
+static void
+gear(GLfloat inner_radius, GLfloat outer_radius, GLfloat width,
+     GLint teeth, GLfloat tooth_depth)
+{
+   GLint i;
+   GLfloat r0, r1, r2;
+   GLfloat angle, da;
+   GLfloat u, v, len;
+
+   r0 = inner_radius;
+   r1 = outer_radius - tooth_depth / 2.0;
+   r2 = outer_radius + tooth_depth / 2.0;
+
+   da = 2.0 * M_PI / teeth / 4.0;
+
+   glShadeModel(GL_FLAT);
+
+   glNormal3f(0.0, 0.0, 1.0);
+
+   /* draw front face */
+   glBegin(GL_QUAD_STRIP);
+   for (i = 0; i <= teeth; i++) {
+      angle = i * 2.0 * M_PI / teeth;
+      glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5);
+      glVertex3f(r1 * cos(angle), r1 * sin(angle), width * 0.5);
+      if (i < teeth) {
+	 glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5);
+	 glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da),
+		    width * 0.5);
+      }
+   }
+   glEnd();
+
+   /* draw front sides of teeth */
+   glBegin(GL_QUADS);
+   da = 2.0 * M_PI / teeth / 4.0;
+   for (i = 0; i < teeth; i++) {
+      angle = i * 2.0 * M_PI / teeth;
+
+      glVertex3f(r1 * cos(angle), r1 * sin(angle), width * 0.5);
+      glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), width * 0.5);
+      glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da),
+		 width * 0.5);
+      glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da),
+		 width * 0.5);
+   }
+   glEnd();
+
+   glNormal3f(0.0, 0.0, -1.0);
+
+   /* draw back face */
+   glBegin(GL_QUAD_STRIP);
+   for (i = 0; i <= teeth; i++) {
+      angle = i * 2.0 * M_PI / teeth;
+      glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5);
+      glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5);
+      if (i < teeth) {
+	 glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da),
+		    -width * 0.5);
+	 glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5);
+      }
+   }
+   glEnd();
+
+   /* draw back sides of teeth */
+   glBegin(GL_QUADS);
+   da = 2.0 * M_PI / teeth / 4.0;
+   for (i = 0; i < teeth; i++) {
+      angle = i * 2.0 * M_PI / teeth;
+
+      glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da),
+		 -width * 0.5);
+      glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da),
+		 -width * 0.5);
+      glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), -width * 0.5);
+      glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5);
+   }
+   glEnd();
+
+   /* draw outward faces of teeth */
+   glBegin(GL_QUAD_STRIP);
+   for (i = 0; i < teeth; i++) {
+      angle = i * 2.0 * M_PI / teeth;
+
+      glVertex3f(r1 * cos(angle), r1 * sin(angle), width * 0.5);
+      glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5);
+      u = r2 * cos(angle + da) - r1 * cos(angle);
+      v = r2 * sin(angle + da) - r1 * sin(angle);
+      len = sqrt(u * u + v * v);
+      u /= len;
+      v /= len;
+      glNormal3f(v, -u, 0.0);
+      glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), width * 0.5);
+      glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), -width * 0.5);
+      glNormal3f(cos(angle), sin(angle), 0.0);
+      glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da),
+		 width * 0.5);
+      glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da),
+		 -width * 0.5);
+      u = r1 * cos(angle + 3 * da) - r2 * cos(angle + 2 * da);
+      v = r1 * sin(angle + 3 * da) - r2 * sin(angle + 2 * da);
+      glNormal3f(v, -u, 0.0);
+      glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da),
+		 width * 0.5);
+      glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da),
+		 -width * 0.5);
+      glNormal3f(cos(angle), sin(angle), 0.0);
+   }
+
+   glVertex3f(r1 * cos(0), r1 * sin(0), width * 0.5);
+   glVertex3f(r1 * cos(0), r1 * sin(0), -width * 0.5);
+
+   glEnd();
+
+   glShadeModel(GL_SMOOTH);
+
+   /* draw inside radius cylinder */
+   glBegin(GL_QUAD_STRIP);
+   for (i = 0; i <= teeth; i++) {
+      angle = i * 2.0 * M_PI / teeth;
+      glNormal3f(-cos(angle), -sin(angle), 0.0);
+      glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5);
+      glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5);
+   }
+   glEnd();
+}
+
+
+static void
+draw(void)
+{
+   if ( use_ztrick ) {
+      static GLboolean flip = GL_FALSE;
+      static const GLfloat vert[4][3] = {
+	 { -1, -1, -0.999 },
+	 {  1, -1, -0.999 },
+	 {  1,  1, -0.999 },
+	 { -1,  1, -0.999 }
+      };
+      static const GLfloat col[4][3] = {
+	 { 1.0, 0.6, 0.0 },
+	 { 1.0, 0.6, 0.0 },
+	 { 0.0, 0.0, 0.0 },
+	 { 0.0, 0.0, 0.0 },
+      };
+      
+      if ( flip ) {
+	 glDepthRange(0, 0.5);
+	 glDepthFunc(GL_LEQUAL);
+      }
+      else {
+	 glDepthRange(1.0, 0.4999);
+	 glDepthFunc(GL_GEQUAL);
+      }
+
+      flip = !flip;
+
+      /* The famous Quake "Z trick" only works when the whole screen is
+       * re-drawn each frame.
+       */
+
+      glMatrixMode(GL_MODELVIEW);
+      glLoadIdentity();
+      glMatrixMode(GL_PROJECTION);
+      glLoadIdentity();
+      glOrtho(-1, 1, -1, 1, -1, 1);
+      glDisable(GL_LIGHTING);
+      glShadeModel(GL_SMOOTH);
+
+      glEnable( GL_VERTEX_ARRAY );
+      glEnable( GL_COLOR_ARRAY );
+      glVertexPointer( 3, GL_FLOAT, 0, vert );
+      glColorPointer( 3, GL_FLOAT, 0, col );
+      glDrawArrays( GL_POLYGON, 0, 4 );
+      glDisable( GL_COLOR_ARRAY );
+      glDisable( GL_VERTEX_ARRAY );
+
+      glMatrixMode(GL_PROJECTION);
+      glLoadIdentity();
+      glFrustum(-1.0, 1.0, -aspect, aspect, 5.0, 60.0);
+
+      glEnable(GL_LIGHTING);
+
+      glMatrixMode(GL_MODELVIEW);
+      glLoadIdentity();
+      glTranslatef(0.0, 0.0, -40.0);
+   }
+   else {
+      glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+   }
+
+   glPushMatrix();
+   glRotatef(view_rotx, 1.0, 0.0, 0.0);
+   glRotatef(view_roty, 0.0, 1.0, 0.0);
+   glRotatef(view_rotz, 0.0, 0.0, 1.0);
+
+   glPushMatrix();
+   glTranslatef(-3.0, -2.0, 0.0);
+   glRotatef(angle, 0.0, 0.0, 1.0);
+   glCallList(gear1);
+   glPopMatrix();
+
+   glPushMatrix();
+   glTranslatef(3.1, -2.0, 0.0);
+   glRotatef(-2.0 * angle - 9.0, 0.0, 0.0, 1.0);
+   glCallList(gear2);
+   glPopMatrix();
+
+   glPushMatrix();
+   glTranslatef(-3.1, 4.2, 0.0);
+   glRotatef(-2.0 * angle - 25.0, 0.0, 0.0, 1.0);
+   glCallList(gear3);
+   glPopMatrix();
+
+   glPopMatrix();
+}
+
+
+/* new window size or exposure */
+static void
+reshape(int width, int height)
+{
+   aspect = (GLfloat) height / (GLfloat) width;
+
+   
+   glViewport(0, 0, (GLint) width, (GLint) height);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+
+   glFrustum(-1.0, 1.0, -aspect, aspect, 5.0, 60.0);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glTranslatef(0.0, 0.0, -40.0);
+}
+
+
+static void
+init(void)
+{
+   static GLfloat pos[4] = { 5.0, 5.0, 10.0, 0.0 };
+   static GLfloat red[4] = { 0.8, 0.1, 0.0, 1.0 };
+   static GLfloat green[4] = { 0.0, 0.8, 0.2, 1.0 };
+   static GLfloat blue[4] = { 0.2, 0.2, 1.0, 1.0 };
+
+   glLightfv(GL_LIGHT0, GL_POSITION, pos);
+   glEnable(GL_CULL_FACE);
+   glEnable(GL_LIGHTING);
+   glEnable(GL_LIGHT0);
+   glEnable(GL_DEPTH_TEST);
+
+   /* make the gears */
+   gear1 = glGenLists(1);
+   glNewList(gear1, GL_COMPILE);
+   glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, red);
+   gear(1.0, 4.0, 1.0, 20, 0.7);
+   glEndList();
+
+   gear2 = glGenLists(1);
+   glNewList(gear2, GL_COMPILE);
+   glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, green);
+   gear(0.5, 2.0, 2.0, 10, 0.7);
+   glEndList();
+
+   gear3 = glGenLists(1);
+   glNewList(gear3, GL_COMPILE);
+   glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, blue);
+   gear(1.3, 2.0, 0.5, 10, 0.7);
+   glEndList();
+
+   glEnable(GL_NORMALIZE);
+}
+
+
+/*
+ * Create an RGB, double-buffered window.
+ * Return the window and context handles.
+ */
+static void
+make_window( Display *dpy, const char *name,
+             int x, int y, int width, int height,
+             Window *winRet, GLXContext *ctxRet)
+{
+   int attrib[] = { GLX_RGBA,
+		    GLX_RED_SIZE, 1,
+		    GLX_GREEN_SIZE, 1,
+		    GLX_BLUE_SIZE, 1,
+		    GLX_DOUBLEBUFFER,
+		    GLX_DEPTH_SIZE, 1,
+		    None };
+   int scrnum;
+   XSetWindowAttributes attr;
+   unsigned long mask;
+   Window root;
+   Window win;
+   GLXContext ctx;
+   XVisualInfo *visinfo;
+
+   scrnum = DefaultScreen( dpy );
+   root = RootWindow( dpy, scrnum );
+
+   visinfo = glXChooseVisual( dpy, scrnum, attrib );
+   if (!visinfo) {
+      printf("Error: couldn't get an RGB, Double-buffered visual\n");
+      exit(1);
+   }
+
+   /* window attributes */
+   attr.background_pixel = 0;
+   attr.border_pixel = 0;
+   attr.colormap = XCreateColormap( dpy, root, visinfo->visual, AllocNone);
+   attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask;
+   mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
+
+   win = XCreateWindow( dpy, root, 0, 0, width, height,
+		        0, visinfo->depth, InputOutput,
+		        visinfo->visual, mask, &attr );
+
+   /* set hints and properties */
+   {
+      XSizeHints sizehints;
+      sizehints.x = x;
+      sizehints.y = y;
+      sizehints.width  = width;
+      sizehints.height = height;
+      sizehints.flags = USSize | USPosition;
+      XSetNormalHints(dpy, win, &sizehints);
+      XSetStandardProperties(dpy, win, name, name,
+                              None, (char **)NULL, 0, &sizehints);
+   }
+
+   ctx = glXCreateContext( dpy, visinfo, NULL, True );
+   if (!ctx) {
+      printf("Error: glXCreateContext failed\n");
+      exit(1);
+   }
+
+   XFree(visinfo);
+
+   *winRet = win;
+   *ctxRet = ctx;
+}
+
+
+static void
+event_loop(Display *dpy, Window win)
+{
+   float  frame_usage = 0.0;
+
+   while (1) {
+      while (XPending(dpy) > 0) {
+         XEvent event;
+         XNextEvent(dpy, &event);
+         switch (event.type) {
+	 case Expose:
+            /* we'll redraw below */
+	    break;
+	 case ConfigureNotify:
+	    reshape(event.xconfigure.width, event.xconfigure.height);
+	    break;
+         case KeyPress:
+            {
+               char buffer[10];
+               int r, code;
+               code = XLookupKeysym(&event.xkey, 0);
+               if (code == XK_Left) {
+                  view_roty += 5.0;
+               }
+               else if (code == XK_Right) {
+                  view_roty -= 5.0;
+               }
+               else if (code == XK_Up) {
+                  view_rotx += 5.0;
+               }
+               else if (code == XK_Down) {
+                  view_rotx -= 5.0;
+               }
+               else {
+                  r = XLookupString(&event.xkey, buffer, sizeof(buffer),
+                                    NULL, NULL);
+                  if (buffer[0] == 27) {
+                     /* escape */
+                     return;
+                  }
+               }
+            }
+         }
+      }
+
+      /* next frame */
+      angle += 2.0;
+
+      draw();
+      if ( get_frame_usage != NULL ) {
+	 GLfloat   temp;
+	 
+	 (*get_frame_usage)( dpy, win, & temp );
+	 frame_usage += temp;
+      }
+
+      glXSwapBuffers(dpy, win);
+
+      /* calc framerate */
+      {
+         static int t0 = -1;
+         static int frames = 0;
+         int t = current_time();
+
+         if (t0 < 0)
+            t0 = t;
+
+         frames++;
+
+         if (t - t0 >= 5.0) {
+            GLfloat seconds = t - t0;
+            GLfloat fps = frames / seconds;
+	    if ( get_frame_usage != NULL ) {
+	       printf("%d frames in %3.1f seconds = %6.3f FPS (%3.1f%% usage)\n",
+		      frames, seconds, fps,
+		      (frame_usage * 100.0) / (float) frames );
+	    }
+	    else {
+	       printf("%d frames in %3.1f seconds = %6.3f FPS\n",
+		      frames, seconds, fps);
+	    }
+
+            t0 = t;
+            frames = 0;
+	    frame_usage = 0.0;
+         }
+      }
+   }
+}
+
+
+/**
+ * Display the refresh rate of the display using the GLX_OML_sync_control
+ * extension.
+ */
+
+static void
+show_refresh_rate( Display * dpy )
+{
+#if defined(GLX_OML_sync_control) && defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
+   PFNGLXGETMSCRATEOMLPROC  get_msc_rate;
+   int32_t  n;
+   int32_t  d;
+
+   get_msc_rate = (PFNGLXGETMSCRATEOMLPROC) glXGetProcAddressARB( (const GLubyte *) "glXGetMscRateOML" );
+   if ( get_msc_rate != NULL ) {
+      (*get_msc_rate)( dpy, glXGetCurrentDrawable(), &n, &d );
+      printf( "refresh rate: %.1fHz\n", (float) n / d );
+      return;
+   }
+#endif
+   printf( "glXGetMscRateOML not supported.\n" );
+}
+
+
+/**
+ * Fill in the table of extension strings from a supplied extensions string
+ * (as returned by glXQueryExtensionsString).
+ *
+ * \param string   String of GLX extensions.
+ * \sa is_extension_supported
+ */
+
+static void
+make_extension_table( const char * string )
+{
+   char ** string_tab;
+   unsigned  num_strings;
+   unsigned  base;
+   unsigned  idx;
+   unsigned  i;
+      
+   /* Count the number of spaces in the string.  That gives a base-line
+    * figure for the number of extension in the string.
+    */
+   
+   num_strings = 1;
+   for ( i = 0 ; string[i] != NUL ; i++ ) {
+      if ( string[i] == ' ' ) {
+	 num_strings++;
+      }
+   }
+   
+   string_tab = (char **) malloc( sizeof( char * ) * num_strings );
+   if ( string_tab == NULL ) {
+      return;
+   }
+
+   base = 0;
+   idx = 0;
+
+   while ( string[ base ] != NUL ) {
+      /* Determine the length of the next extension string.
+       */
+
+      for ( i = 0 
+	    ; (string[ base + i ] != NUL) && (string[ base + i ] != ' ')
+	    ; i++ ) {
+	 /* empty */ ;
+      }
+
+      if ( i > 0 ) {
+	 /* If the string was non-zero length, add it to the table.  We
+	  * can get zero length strings if there is a space at the end of
+	  * the string or if there are two (or more) spaces next to each
+	  * other in the string.
+	  */
+
+	 string_tab[ idx ] = malloc( sizeof( char ) * (i + 1) );
+	 if ( string_tab[ idx ] == NULL ) {
+	    return;
+	 }
+
+	 (void) memcpy( string_tab[ idx ], & string[ base ], i );
+	 string_tab[ idx ][i] = NUL;
+	 idx++;
+      }
+
+
+      /* Skip to the start of the next extension string.
+       */
+
+      for ( base += i
+	    ; (string[ base ] == ' ') && (string[ base ] != NUL) 
+	    ; base++ ) {
+	 /* empty */ ;
+      }
+   }
+
+   extension_table = string_tab;
+   num_extensions = idx;
+}
+
+    
+/**
+ * Determine of an extension is supported.  The extension string table
+ * must have already be initialized by calling \c make_extension_table.
+ * 
+ * \praram ext  Extension to be tested.
+ * \return GL_TRUE of the extension is supported, GL_FALSE otherwise.
+ * \sa make_extension_table
+ */
+
+static GLboolean
+is_extension_supported( const char * ext )
+{
+   unsigned   i;
+   
+   for ( i = 0 ; i < num_extensions ; i++ ) {
+      if ( strcmp( ext, extension_table[i] ) == 0 ) {
+	 return GL_TRUE;
+      }
+   }
+   
+   return GL_FALSE;
+}
+
+
+int
+main(int argc, char *argv[])
+{
+   Display *dpy;
+   Window win;
+   GLXContext ctx;
+   char *dpyName = ":0";
+   int swap_interval = 1;
+   GLboolean do_swap_interval = GL_FALSE;
+   GLboolean force_get_rate = GL_FALSE;
+   GLboolean printInfo = GL_FALSE;
+   int i;
+   PFNGLXSWAPINTERVALMESAPROC set_swap_interval = NULL;
+   PFNGLXGETSWAPINTERVALMESAPROC get_swap_interval = NULL;
+
+
+   for (i = 1; i < argc; i++) {
+      if (strcmp(argv[i], "-display") == 0 && i + 1 < argc) {
+         dpyName = argv[i+1];
+         i++;
+      }
+      else if (strcmp(argv[i], "-info") == 0) {
+         printInfo = GL_TRUE;
+      }
+      else if (strcmp(argv[i], "-swap") == 0 && i + 1 < argc) {
+	 swap_interval = atoi( argv[i+1] );
+	 do_swap_interval = GL_TRUE;
+	 i++;
+      }
+      else if (strcmp(argv[i], "-forcegetrate") == 0) {
+	 /* This option was put in because some DRI drivers don't support the
+	  * full GLX_OML_sync_control extension, but they do support
+	  * glXGetMscRateOML.
+	  */
+	 force_get_rate = GL_TRUE;
+      }
+      else if (strcmp(argv[i], "-ztrick") == 0) {
+	 use_ztrick = GL_TRUE;
+      }
+      else if (strcmp(argv[i], "-help") == 0) {
+         printf("Usage:\n");
+         printf("  gears [options]\n");
+         printf("Options:\n");
+         printf("  -help                   Print this information\n");
+         printf("  -display displayName    Specify X display\n");
+         printf("  -info                   Display GL information\n");
+         printf("  -swap N                 Swap no more than once per N vertical refreshes\n");
+         printf("  -forcegetrate           Try to use glXGetMscRateOML function\n");
+         return 0;
+      }
+   }
+
+   dpy = XOpenDisplay(dpyName);
+   if (!dpy) {
+      printf("Error: couldn't open display %s\n", dpyName);
+      return -1;
+   }
+
+   make_window(dpy, "glxgears", 0, 0, 300, 300, &win, &ctx);
+   XMapWindow(dpy, win);
+   glXMakeCurrent(dpy, win, ctx);
+
+   make_extension_table( (char *) glXQueryExtensionsString(dpy,DefaultScreen(dpy)) );
+   has_OML_sync_control = is_extension_supported( "GLX_OML_sync_control" );
+   has_SGI_swap_control = is_extension_supported( "GLX_SGI_swap_control" );
+   has_MESA_swap_control = is_extension_supported( "GLX_MESA_swap_control" );
+   has_MESA_swap_frame_usage = is_extension_supported( "GLX_MESA_swap_frame_usage" );
+
+   if ( has_MESA_swap_control ) {
+      set_swap_interval = (PFNGLXSWAPINTERVALMESAPROC) glXGetProcAddressARB( (const GLubyte *) "glXSwapIntervalMESA" );
+      get_swap_interval = (PFNGLXGETSWAPINTERVALMESAPROC) glXGetProcAddressARB( (const GLubyte *) "glXGetSwapIntervalMESA" );
+   }
+   else if ( has_SGI_swap_control ) {
+      set_swap_interval = (PFNGLXSWAPINTERVALMESAPROC) glXGetProcAddressARB( (const GLubyte *) "glXSwapIntervalSGI" );
+   }
+
+
+   if ( has_MESA_swap_frame_usage ) {
+      get_frame_usage = (PFNGLXGETFRAMEUSAGEMESAPROC)  glXGetProcAddressARB( (const GLubyte *) "glXGetFrameUsageMESA" );
+   }
+      
+
+   if (printInfo) {
+      printf("GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+      printf("GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+      printf("GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+      printf("GL_EXTENSIONS = %s\n", (char *) glGetString(GL_EXTENSIONS));
+      if ( has_OML_sync_control || force_get_rate ) {
+	 show_refresh_rate( dpy );
+      }
+
+      if ( get_swap_interval != NULL ) {
+	 printf("Default swap interval = %d\n", (*get_swap_interval)() );
+      }
+   }
+
+   if ( do_swap_interval ) {
+      if ( set_swap_interval != NULL ) {
+	 if ( ((swap_interval == 0) && !has_MESA_swap_control)
+	      || (swap_interval < 0) ) {
+	    printf( "Swap interval must be non-negative or greater than zero "
+		    "if GLX_MESA_swap_control is not supported.\n" );
+	 }
+	 else {
+	    (*set_swap_interval)( swap_interval );
+	 }
+
+	 if ( printInfo && (get_swap_interval != NULL) ) {
+	    printf("Current swap interval = %d\n", (*get_swap_interval)() );
+	 }
+      }
+      else {
+	 printf("Unable to set swap-interval.  Neither GLX_SGI_swap_control "
+		"nor GLX_MESA_swap_control are supported.\n" );
+      }
+   }
+
+   init();
+
+   event_loop(dpy, win);
+
+   glXDestroyContext(dpy, ctx);
+   XDestroyWindow(dpy, win);
+   XCloseDisplay(dpy);
+
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/xdemos/manywin.c b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/manywin.c
new file mode 100644
index 000000000..c9cca7513
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/manywin.c
@@ -0,0 +1,393 @@
+/*
+ * Create N GLX windows/contexts and render to them in round-robin order.
+ * Also, have the contexts share all texture objects.
+ * Press 'd' to delete a texture, 'u' to unbind it.
+ *
+ * Copyright (C) 2000  Brian Paul   All Rights Reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+#include <GL/gl.h>
+#include <GL/glx.h>
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <X11/keysym.h>
+
+
+/*
+ * Each display/window/context:
+ */
+struct head {
+   char DisplayName[1000];
+   Display *Dpy;
+   Window Win;
+   GLXContext Context;
+   float Angle;
+   char Renderer[1000];
+   char Vendor[1000];
+   char Version[1000];
+};
+
+
+#define MAX_HEADS 200
+static struct head Heads[MAX_HEADS];
+static int NumHeads = 0;
+static GLboolean SwapSeparate = GL_TRUE;
+static GLuint TexObj = 0;
+
+
+static void
+Error(const char *display, const char *msg)
+{
+   fprintf(stderr, "Error on display %s - %s\n", display, msg);
+   exit(1);
+}
+
+
+static struct head *
+AddHead(const char *displayName, const char *name)
+{
+   Display *dpy;
+   Window win;
+   GLXContext ctx;
+   int attrib[] = { GLX_RGBA,
+		    GLX_RED_SIZE, 1,
+		    GLX_GREEN_SIZE, 1,
+		    GLX_BLUE_SIZE, 1,
+		    GLX_DOUBLEBUFFER,
+		    None };
+   int scrnum;
+   XSetWindowAttributes attr;
+   unsigned long mask;
+   Window root;
+   XVisualInfo *visinfo;
+   int width = 90, height = 90;
+   int xpos = 0, ypos = 0;
+
+   if (NumHeads >= MAX_HEADS)
+      return NULL;
+
+   dpy = XOpenDisplay(displayName);
+   if (!dpy) {
+      Error(displayName, "Unable to open display");
+      return NULL;
+   }
+
+   scrnum = DefaultScreen(dpy);
+   root = RootWindow(dpy, scrnum);
+
+   visinfo = glXChooseVisual(dpy, scrnum, attrib);
+   if (!visinfo) {
+      Error(displayName, "Unable to find RGB, double-buffered visual");
+      return NULL;
+   }
+
+   /* window attributes */
+   xpos = (NumHeads % 10) * 100;
+   ypos = (NumHeads / 10) * 100;
+   printf("%d, %d\n", xpos, ypos);
+   attr.background_pixel = 0;
+   attr.border_pixel = 0;
+   attr.colormap = XCreateColormap(dpy, root, visinfo->visual, AllocNone);
+   attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask;
+   mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
+
+   win = XCreateWindow(dpy, root, xpos, ypos, width, height,
+		        0, visinfo->depth, InputOutput,
+		        visinfo->visual, mask, &attr);
+   if (!win) {
+      Error(displayName, "Couldn't create window");
+      return NULL;
+   }
+
+   {
+      XSizeHints sizehints;
+      sizehints.x = xpos;
+      sizehints.y = ypos;
+      sizehints.width  = width;
+      sizehints.height = height;
+      sizehints.flags = USSize | USPosition;
+      XSetNormalHints(dpy, win, &sizehints);
+      XSetStandardProperties(dpy, win, name, name,
+                              None, (char **)NULL, 0, &sizehints);
+   }
+
+   if (NumHeads == 0) {
+      ctx = glXCreateContext(dpy, visinfo, NULL, True);
+   }
+   else {
+      /* share textures & dlists with 0th context */
+      printf("sharing\n");
+      ctx = glXCreateContext(dpy, visinfo, Heads[0].Context, True);
+   }
+   if (!ctx) {
+      Error(displayName, "Couldn't create GLX context");
+      return NULL;
+   }
+
+   XMapWindow(dpy, win);
+
+   if (!glXMakeCurrent(dpy, win, ctx)) {
+      Error(displayName, "glXMakeCurrent failed");
+      printf("glXMakeCurrent failed in Redraw()\n");
+      return NULL;
+   }
+
+   if (NumHeads == 0) {
+      /* create texture object now */
+      static const GLubyte checker[2][2][4] = {
+         { {255, 255, 255, 255}, {  0,   0,   0, 255} },
+         { {  0,   0,   0,   0}, {255, 255, 255, 255} }
+      };
+      glGenTextures(1, &TexObj);
+      assert(TexObj);
+      glBindTexture(GL_TEXTURE_2D, TexObj);
+      glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 2, 2, 0, GL_RGB,
+                   GL_UNSIGNED_BYTE, checker);
+      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+   }
+   else {
+      /* bind 0th context's texture in this context too */
+      assert(TexObj);
+      glBindTexture(GL_TEXTURE_2D, TexObj);
+   }
+   glEnable(GL_TEXTURE_2D);
+
+   /* save the info for this head */
+   {
+      struct head *h = &Heads[NumHeads];
+      strcpy(h->DisplayName, name);
+      h->Dpy = dpy;
+      h->Win = win;
+      h->Context = ctx;
+      h->Angle = 0.0;
+      strcpy(h->Version, (char *) glGetString(GL_VERSION));
+      strcpy(h->Vendor, (char *) glGetString(GL_VENDOR));
+      strcpy(h->Renderer, (char *) glGetString(GL_RENDERER));
+      NumHeads++;
+      return &Heads[NumHeads-1];
+   }
+
+}
+
+
+static void
+DestroyHeads(void)
+{
+   int i;
+   for (i = 0; i < NumHeads; i++) {
+      XDestroyWindow(Heads[i].Dpy, Heads[i].Win);
+      glXDestroyContext(Heads[i].Dpy, Heads[i].Context);
+      XCloseDisplay(Heads[i].Dpy);
+   }
+}
+
+
+static void
+Redraw(struct head *h)
+{
+   if (!glXMakeCurrent(h->Dpy, h->Win, h->Context)) {
+      Error(h->DisplayName, "glXMakeCurrent failed");
+      printf("glXMakeCurrent failed in Redraw()\n");
+      return;
+   }
+
+   h->Angle += 1.0;
+
+   glShadeModel(GL_FLAT);
+   glClearColor(0.5, 0.5, 0.5, 1.0);
+   glClear(GL_COLOR_BUFFER_BIT);
+
+   /* draw green triangle */
+   glColor3f(0.0, 1.0, 0.0);
+   glPushMatrix();
+   glRotatef(h->Angle, 0, 0, 1);
+   glBegin(GL_TRIANGLES);
+   glTexCoord2f(0.5, 1.0);   glVertex2f(0, 0.8);
+   glTexCoord2f(0.0, 0.0);   glVertex2f(-0.8, -0.7);
+   glTexCoord2f(1.0, 0.0);   glVertex2f(0.8, -0.7);
+   glEnd();
+   glPopMatrix();
+
+   if (!SwapSeparate)
+      glXSwapBuffers(h->Dpy, h->Win);
+}
+
+
+static void
+Swap(struct head *h)
+{
+   glXSwapBuffers(h->Dpy, h->Win);
+}
+
+
+static void
+Resize(const struct head *h, unsigned int width, unsigned int height)
+{
+   if (!glXMakeCurrent(h->Dpy, h->Win, h->Context)) {
+      Error(h->DisplayName, "glXMakeCurrent failed in Resize()");
+      return;
+   }
+   glFlush();
+   glViewport(0, 0, width, height);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glOrtho(-1.0, 1.0, -1.0, 1.0, -1.0, 1.0);
+}
+
+
+
+static void
+EventLoop(void)
+{
+   while (1) {
+      int i;
+      for (i = 0; i < NumHeads; i++) {
+         struct head *h = &Heads[i];
+         while (XPending(h->Dpy) > 0) {
+            XEvent event;
+            XNextEvent(h->Dpy, &event);
+            if (event.xany.window == h->Win) {
+               switch (event.type) {
+                  case Expose:
+                     Redraw(h);
+                     if (SwapSeparate)
+                        Swap(h);
+                     break;
+                  case ConfigureNotify:
+                     Resize(h, event.xconfigure.width, event.xconfigure.height);
+                     break;
+                  case KeyPress:
+                     {
+                        char buf[100];
+                        KeySym keySym;
+                        XComposeStatus stat;
+                        XLookupString(&event.xkey, buf, sizeof(buf), &keySym, &stat);
+                        switch (keySym) {
+                           case XK_Escape:
+                              exit(0);
+                              break;
+                           case XK_d:
+                           case XK_D:
+                              printf("Delete Texture in window %d\n", i);
+                              glXMakeCurrent(h->Dpy, h->Win, h->Context);
+                              glDeleteTextures(1, &TexObj);
+                              break;
+                           case XK_u:
+                           case XK_U:
+                              printf("Unbind Texture in window %d\n", i);
+                              glXMakeCurrent(h->Dpy, h->Win, h->Context);
+                              glBindTexture(GL_TEXTURE_2D, 0);
+                              break;
+                        }
+                     }
+                     break;
+                  default:
+                     /*no-op*/ ;
+               }
+            }
+            else {
+               printf("window mismatch\n");
+            }
+         }
+      }
+
+      /* redraw all windows */
+      for (i = 0; i < NumHeads; i++) {
+         Redraw(&Heads[i]);
+      }
+      /* swapbuffers on all windows, if not already done */
+      if (SwapSeparate) {
+         for (i = 0; i < NumHeads; i++) {
+            Swap(&Heads[i]);
+         }
+      }
+      usleep(1);
+   }
+}
+
+
+
+static void
+PrintInfo(const struct head *h)
+{
+   printf("Name: %s\n", h->DisplayName);
+   printf("  Display:     %p\n", (void *) h->Dpy);
+   printf("  Window:      0x%x\n", (int) h->Win);
+   printf("  Context:     0x%lx\n", (long) h->Context);
+   printf("  GL_VERSION:  %s\n", h->Version);
+   printf("  GL_VENDOR:   %s\n", h->Vendor);
+   printf("  GL_RENDERER: %s\n", h->Renderer);
+}
+
+
+int
+main(int argc, char *argv[])
+{
+   char *dpyName = NULL;
+   int i;
+
+   if (argc == 1) {
+      printf("manywin: open N simultaneous glx windows\n");
+      printf("Usage:\n");
+      printf("  manywin [-s] numWindows\n");
+      printf("Options:\n");
+      printf("  -s = swap immediately after drawing (see src code)\n");
+      printf("Example:\n");
+      printf("  manywin 10\n");
+      return 0;
+   }
+   else {
+      int n = 3;
+      for (i = 1; i < argc; i++) {
+         if (strcmp(argv[i], "-s") == 0) {
+            SwapSeparate = GL_FALSE;
+         }
+         else if (strcmp(argv[i], "-display") == 0 && i < argc) {
+            dpyName = argv[i+1];
+            i++;
+         }
+         else {
+            n = atoi(argv[i]);
+         }
+      }
+      if (n < 1)
+         n = 1;
+
+      printf("%d windows\n", n);
+      for (i = 0; i < n; i++) {
+         char name[100];
+         struct head *h;
+         sprintf(name, "%d", i);
+         h = AddHead(dpyName, name);
+         if (h) {
+            PrintInfo(h);
+         }
+      }
+   }
+
+   EventLoop();
+   DestroyHeads();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/xdemos/offset.c b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/offset.c
new file mode 100644
index 000000000..3e92e68da
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/offset.c
@@ -0,0 +1,323 @@
+/****************************************************************************
+Copyright 1995 by Silicon Graphics Incorporated, Mountain View, California.
+
+                        All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its 
+documentation for any purpose and without fee is hereby granted, 
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in 
+supporting documentation, and that the name of Silicon Graphics not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.  
+
+SILICON GRAPHICS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+EVENT SHALL SILICON GRAPHICS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
+USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+PERFORMANCE OF THIS SOFTWARE.
+
+****************************************************************************/
+
+/*
+ * Derived from code written by Kurt Akeley, November 1992
+ *
+ *	Uses PolygonOffset to draw hidden-line images.  PolygonOffset
+ *	    shifts the z values of polygons an amount that is
+ *	    proportional to their slope in screen z.  This keeps
+ *	    the lines, which are drawn without displacement, from
+ *	    interacting with their respective polygons, and
+ *	    thus eliminates line dropouts.
+ *
+ *	The left image shows an ordinary antialiased wireframe image.
+ *	The center image shows an antialiased hidden-line image without
+ *	    PolygonOffset.
+ *	The right image shows an antialiased hidden-line image using
+ *	    PolygonOffset to reduce artifacts.
+ *
+ *	Drag with a mouse button pressed to rotate the models.
+ *	Press the escape key to exit.
+ */
+
+/*
+ * Modified for OpenGL 1.1 glPolygonOffset() conventions
+ */
+
+
+#include <GL/glx.h>
+#include <GL/glu.h>
+#include <X11/keysym.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#undef GL_EXT_polygon_offset  /* use GL 1.1 version instead of extension */
+
+
+#ifndef EXIT_FAILURE
+#  define EXIT_FAILURE    1
+#endif
+#ifndef EXIT_SUCCESS
+#  define EXIT_SUCCESS    0
+#endif
+
+#define MAXQUAD 6
+
+typedef float Vertex[3];
+
+typedef Vertex Quad[4];
+
+/* data to define the six faces of a unit cube */
+Quad quads[MAXQUAD] = {
+   { {0,0,0}, {1,0,0}, {1,1,0}, {0,1,0} },
+   { {0,0,1}, {1,0,1}, {1,1,1}, {0,1,1} },
+   { {0,0,0}, {1,0,0}, {1,0,1}, {0,0,1} },
+   { {0,1,0}, {1,1,0}, {1,1,1}, {0,1,1} },
+   { {0,0,0}, {0,0,1}, {0,1,1}, {0,1,0} },
+   { {1,0,0}, {1,0,1}, {1,1,1}, {1,1,0} }
+};
+
+#define WIREFRAME	0
+#define HIDDEN_LINE	1
+
+static void error(const char* prog, const char* msg);
+static void cubes(int mx, int my, int mode);
+static void fill(Quad quad);
+static void outline(Quad quad);
+static void draw_hidden(Quad quad, int mode);
+static void process_input(Display *dpy, Window win);
+static int query_extension(char* extName);
+
+static int attributeList[] = { GLX_RGBA, GLX_RED_SIZE, 1, GLX_GREEN_SIZE, 1,
+    GLX_BLUE_SIZE, 1, GLX_DOUBLEBUFFER, GLX_DEPTH_SIZE, 1, None };
+
+static int dimension = 3;
+
+int main(int argc, char** argv) {
+    Display *dpy;
+    XVisualInfo *vi;
+    XSetWindowAttributes swa;
+    Window win;
+    GLXContext cx;
+
+    dpy = XOpenDisplay(0);
+    if (!dpy) error(argv[0], "can't open display");
+
+    vi = glXChooseVisual(dpy, DefaultScreen(dpy), attributeList);
+    if (!vi) error(argv[0], "no suitable visual");
+
+    cx = glXCreateContext(dpy, vi, 0, GL_TRUE);
+
+    swa.colormap = XCreateColormap(dpy, RootWindow(dpy, vi->screen),
+                                   vi->visual, AllocNone);
+
+    swa.border_pixel = 0;
+    swa.event_mask = ExposureMask | StructureNotifyMask | KeyPressMask |
+	ButtonPressMask | ButtonMotionMask;
+    win = XCreateWindow(dpy, RootWindow(dpy, vi->screen), 0, 0, 900, 300,
+			0, vi->depth, InputOutput, vi->visual,
+			CWBorderPixel|CWColormap|CWEventMask, &swa);
+    XStoreName(dpy, win, "hiddenline");
+    XMapWindow(dpy, win);
+
+    glXMakeCurrent(dpy, win, cx);
+
+    /* check for the polygon offset extension */
+#ifndef GL_VERSION_1_1
+    if (!query_extension("GL_EXT_polygon_offset"))
+        error(argv[0], "polygon_offset extension is not available");
+#else
+   (void) query_extension;
+#endif
+
+    /* set up viewing parameters */
+    glMatrixMode(GL_PROJECTION);
+    gluPerspective(20, 1, 0.1, 20);
+    glMatrixMode(GL_MODELVIEW);
+    glTranslatef(0, 0, -15);
+
+    /* set other relevant state information */
+    glEnable(GL_DEPTH_TEST);
+
+#ifdef GL_EXT_polygon_offset
+    printf("using 1.0 offset extension\n");
+    glPolygonOffsetEXT( 1.0, 0.00001 );
+#else
+    printf("using 1.1 offset\n");
+    glPolygonOffset( 1.0, 0.5 );
+#endif
+
+    glShadeModel( GL_FLAT );
+    glDisable( GL_DITHER );
+
+    /* process events until the user presses ESC */
+    while (1) process_input(dpy, win);
+
+    return 0;
+}
+
+static void
+draw_scene(int mx, int my) {
+    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+    glPushMatrix();
+    glTranslatef(-1.7, 0.0, 0.0);
+    cubes(mx, my, WIREFRAME);
+    glPopMatrix();
+
+    glPushMatrix();
+    cubes(mx, my, HIDDEN_LINE);
+    glPopMatrix();
+
+    glPushMatrix();
+    glTranslatef(1.7, 0.0, 0.0);
+#ifdef GL_EXT_polygon_offset
+    glEnable(GL_POLYGON_OFFSET_EXT);
+#else
+    glEnable(GL_POLYGON_OFFSET_FILL);
+#endif
+    cubes(mx, my, HIDDEN_LINE);
+#ifdef GL_EXT_polygon_offset
+    glDisable(GL_POLYGON_OFFSET_EXT);
+#else
+    glDisable(GL_POLYGON_OFFSET_FILL);
+#endif
+    glPopMatrix();
+}
+
+
+static void
+cubes(int mx, int my, int mode) {
+    int x, y, z, i;
+
+    /* track the mouse */
+    glRotatef(mx / 2.0, 0, 1, 0);
+    glRotatef(my / 2.0, 1, 0, 0);
+
+    /* draw the lines as hidden polygons */
+    glTranslatef(-0.5, -0.5, -0.5);
+    glScalef(1.0/dimension, 1.0/dimension, 1.0/dimension);
+    for (z = 0; z < dimension; z++) {
+	for (y = 0; y < dimension; y++) {
+	    for (x = 0; x < dimension; x++) {
+		glPushMatrix();
+		glTranslatef(x, y, z);
+		glScalef(0.8, 0.8, 0.8);
+		for (i = 0; i < MAXQUAD; i++)
+		    draw_hidden(quads[i], mode);
+		glPopMatrix();
+	    }
+	}
+    }
+}
+
+static void
+fill(Quad quad) {
+    /* draw a filled polygon */
+    glBegin(GL_QUADS);
+    glVertex3fv(quad[0]);
+    glVertex3fv(quad[1]);
+    glVertex3fv(quad[2]);
+    glVertex3fv(quad[3]);
+    glEnd();
+}
+
+static void
+outline(Quad quad) {
+    /* draw an outlined polygon */
+    glBegin(GL_LINE_LOOP);
+    glVertex3fv(quad[0]);
+    glVertex3fv(quad[1]);
+    glVertex3fv(quad[2]);
+    glVertex3fv(quad[3]);
+    glEnd();
+}
+
+static void
+draw_hidden(Quad quad, int mode) {
+    if (mode == HIDDEN_LINE) {
+	glColor3f(0, 0, 0);
+	fill(quad);
+    }
+
+    /* draw the outline using white, optionally fill the interior with black */
+    glColor3f(1, 1, 1);
+    outline(quad);
+}
+
+static void
+process_input(Display *dpy, Window win) {
+    XEvent event;
+    static int prevx, prevy;
+    static int deltax = 90, deltay = 40;
+
+    do {
+	char buf[31];
+	KeySym keysym;
+
+	XNextEvent(dpy, &event);
+	switch(event.type) {
+	case Expose:
+	    break;
+	case ConfigureNotify: {
+	    /* this approach preserves a 1:1 viewport aspect ratio */
+	    int vX, vY, vW, vH;
+	    int eW = event.xconfigure.width, eH = event.xconfigure.height;
+	    if (eW >= eH) {
+		vX = 0;
+		vY = (eH - eW) >> 1;
+		vW = vH = eW;
+	    } else {
+		vX = (eW - eH) >> 1;
+		vY = 0;
+		vW = vH = eH;
+	    }
+	    glViewport(vX, vY, vW, vH);
+	    }
+	    break;
+	case KeyPress:
+	    (void) XLookupString(&event.xkey, buf, sizeof(buf), &keysym, NULL);
+	    switch (keysym) {
+	    case XK_Escape:
+		exit(EXIT_SUCCESS);
+	    default:
+		break;
+	    }
+	case ButtonPress:
+	    prevx = event.xbutton.x;
+	    prevy = event.xbutton.y;
+	    break;
+	case MotionNotify:
+	    deltax += (event.xbutton.x - prevx); prevx = event.xbutton.x;
+	    deltay += (event.xbutton.y - prevy); prevy = event.xbutton.y;
+	    break;
+	default:
+	    break;
+	}
+    } while (XPending(dpy));
+
+    draw_scene(deltax, deltay);
+    glXSwapBuffers(dpy, win);
+}
+
+static void
+error(const char *prog, const char *msg) {
+    fprintf(stderr, "%s: %s\n", prog, msg);
+    exit(EXIT_FAILURE);
+}
+
+static int
+query_extension(char* extName) {
+    char *p = (char *) glGetString(GL_EXTENSIONS);
+    char *end = p + strlen(p);
+    while (p < end) {
+        int n = strcspn(p, " ");
+        if ((strlen(extName) == n) && (strncmp(extName, p, n) == 0))
+            return GL_TRUE;
+        p += (n + 1);
+    }
+    return GL_FALSE;
+}
+
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/xdemos/opencloseopen.c b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/opencloseopen.c
new file mode 100644
index 000000000..2e4de24c7
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/opencloseopen.c
@@ -0,0 +1,189 @@
+/*
+ * Copyright (C) 1999-2001  Brian Paul   All Rights Reserved.
+ * (C) Copyright IBM Corporation 2003
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+#include <X11/Xlib.h>
+#include <GL/gl.h>
+#include <GL/glx.h>
+
+/** \file opencloseopen.c
+ * Simple test for Mesa bug #508473.  Create a window and rendering context.
+ * Draw a single frame.  Close the window, destroy the context, and close
+ * the display.  Re-open the display, create a new window and context.  This
+ * should work, but, at least as of Mesa 5.1, it segfaults.  See the bug
+ * report for more details.
+ * 
+ * Most of the code here was lifed from various other Mesa xdemos.
+ */
+
+static void
+draw(void)
+{
+   glViewport(0, 0, 300, 300);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glOrtho(-1.0, 1.0, -1.0, 1.0, -1.0, 1.0);
+   glMatrixMode(GL_MODELVIEW);
+
+   glShadeModel(GL_FLAT);
+   glClearColor(0.5, 0.5, 0.5, 1.0);
+   glClear(GL_COLOR_BUFFER_BIT);
+
+   /* draw blue quad */
+   glLoadIdentity();
+   glColor3f(0.3, 0.3, 1.0);
+   glPushMatrix();
+   glRotatef(0, 0, 0, 1);
+   glBegin(GL_POLYGON);
+   glVertex2f(-0.5, -0.25);
+   glVertex2f( 0.5, -0.25);
+   glVertex2f( 0.5, 0.25);
+   glVertex2f(-0.5, 0.25);
+   glEnd();
+   glPopMatrix();}
+
+
+/*
+ * Create an RGB, double-buffered window.
+ * Return the window and context handles.
+ */
+static void
+make_window( const char * dpyName, const char *name,
+             int x, int y, int width, int height,
+	     Display **dpyRet, Window *winRet, GLXContext *ctxRet)
+{
+   int attrib[] = { GLX_RGBA,
+		    GLX_RED_SIZE, 1,
+		    GLX_GREEN_SIZE, 1,
+		    GLX_BLUE_SIZE, 1,
+		    GLX_DOUBLEBUFFER,
+		    None };
+   int scrnum;
+   XSetWindowAttributes attr;
+   unsigned long mask;
+   Window root;
+   Window win;
+   GLXContext ctx;
+   XVisualInfo *visinfo;
+   Display *dpy;
+
+   dpy = XOpenDisplay(dpyName);
+   if (!dpy) {
+      printf("Error: couldn't open display %s\n", dpyName);
+      exit(1);
+   }
+
+   *dpyRet = dpy;
+   scrnum = DefaultScreen( dpy );
+   root = RootWindow( dpy, scrnum );
+
+   visinfo = glXChooseVisual( dpy, scrnum, attrib );
+   if (!visinfo) {
+      printf("Error: couldn't get an RGB, Double-buffered visual\n");
+      exit(1);
+   }
+
+   /* window attributes */
+   attr.background_pixel = 0;
+   attr.border_pixel = 0;
+   attr.colormap = XCreateColormap( dpy, root, visinfo->visual, AllocNone);
+   attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask;
+   mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
+
+   win = XCreateWindow( dpy, root, 0, 0, width, height,
+		        0, visinfo->depth, InputOutput,
+		        visinfo->visual, mask, &attr );
+
+   /* set hints and properties */
+   {
+      XSizeHints sizehints;
+      sizehints.x = x;
+      sizehints.y = y;
+      sizehints.width  = width;
+      sizehints.height = height;
+      sizehints.flags = USSize | USPosition;
+      XSetNormalHints(dpy, win, &sizehints);
+      XSetStandardProperties(dpy, win, name, name,
+                              None, (char **)NULL, 0, &sizehints);
+   }
+
+   ctx = glXCreateContext( dpy, visinfo, NULL, True );
+   if (!ctx) {
+      printf("Error: glXCreateContext failed\n");
+      exit(1);
+   }
+
+   XFree(visinfo);
+
+   *winRet = win;
+   *ctxRet = ctx;
+}
+
+
+static void
+destroy_window( Display *dpy, Window win, GLXContext ctx )
+{
+   glXMakeCurrent(dpy, None, NULL);
+   glXDestroyContext(dpy, ctx);
+   XDestroyWindow(dpy, win);
+   XCloseDisplay(dpy);
+}
+
+
+int
+main(int argc, char *argv[])
+{
+   Display *dpy;
+   Window win;
+   GLXContext ctx;
+   char *dpyName = ":0";
+   int i;
+
+   for (i = 1; i < argc; i++) {
+      if (strcmp(argv[i], "-display") == 0) {
+         dpyName = argv[i+1];
+         i++;
+      }
+   }
+
+   printf("If this program segfaults, then Mesa bug #508473 is probably "
+	  "back.\n");
+   make_window(dpyName, "Open-close-open", 0, 0, 300, 300, &dpy, &win, &ctx);
+   XMapWindow(dpy, win);
+   glXMakeCurrent(dpy, win, ctx);
+
+   draw();
+   glXSwapBuffers(dpy, win);
+   sleep(2);
+
+   destroy_window(dpy, win, ctx);
+
+   make_window(dpyName, "Open-close-open", 0, 0, 300, 300, &dpy, &win, &ctx);
+   XMapWindow(dpy, win);
+   glXMakeCurrent(dpy, win, ctx);
+   destroy_window(dpy, win, ctx);
+
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/xdemos/overlay.c b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/overlay.c
new file mode 100644
index 000000000..4c425b64d
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/overlay.c
@@ -0,0 +1,245 @@
+/*
+ * GLX overlay test/demo.
+ *
+ * Brian Paul
+ * 18 July 2005
+ */
+
+#include <GL/gl.h>
+#include <GL/glx.h>
+#include <X11/keysym.h>
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+static int WinWidth = 300, WinHeight = 300;
+static Window NormalWindow = 0;
+static Window OverlayWindow = 0;
+static GLXContext NormalContext = 0;
+static GLXContext OverlayContext = 0;
+static GLboolean RGBOverlay = GL_FALSE;
+static GLfloat Angle = 0.0;
+
+
+static void
+RedrawNormal(Display *dpy)
+{
+   glXMakeCurrent(dpy, NormalWindow, NormalContext);
+   glViewport(0, 0, WinWidth, WinHeight);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glOrtho(-1.0, 1.0, -1.0, 1.0, -1.0, 1.0);
+   glMatrixMode(GL_MODELVIEW);
+   glClearColor(0.5, 0.5, 0.5, 1.0);
+   glClear(GL_COLOR_BUFFER_BIT);
+   glColor3f(1.0, 1.0, 0.0);
+   glPushMatrix();
+   glRotatef(Angle, 0, 0, 1);
+   glRectf(-0.8, -0.8, 0.8, 0.8);
+   glPopMatrix();
+   glXSwapBuffers(dpy, NormalWindow);
+}
+
+
+static void
+RedrawOverlay(Display *dpy)
+{
+   glXMakeCurrent(dpy, OverlayWindow, OverlayContext);
+   glViewport(0, 0, WinWidth, WinHeight);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glOrtho(-1.0, 1.0, -1.0, 1.0, -1.0, 1.0);
+   glMatrixMode(GL_MODELVIEW);
+   glClear(GL_COLOR_BUFFER_BIT);
+   if (RGBOverlay) {
+      glColor3f(0.0, 1.0, 1.0);
+   }
+   else {
+      glIndexi(2);
+   }
+   glBegin(GL_LINES);
+   glVertex2f(-1, -1);
+   glVertex2f(1, 1);
+   glVertex2f(1, -1);
+   glVertex2f(-1, 1);
+   glEnd();
+   glXSwapBuffers(dpy, OverlayWindow);
+}
+
+
+static Window
+MakeWindow(Display *dpy, XVisualInfo *visinfo, Window parent,
+             unsigned int width, unsigned int height)
+{
+   int scrnum;
+   XSetWindowAttributes attr;
+   unsigned long mask;
+   Window root;
+   Window win;
+
+   scrnum = DefaultScreen(dpy);
+   root = RootWindow(dpy, scrnum);
+
+   /* window attributes */
+   attr.background_pixel = 0;
+   attr.border_pixel = 0;
+   attr.colormap = XCreateColormap(dpy, root, visinfo->visual, AllocNone);
+   attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask;
+   mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
+
+   win = XCreateWindow(dpy, parent, 0, 0, width, height,
+		        0, visinfo->depth, InputOutput,
+		        visinfo->visual, mask, &attr);
+   return win;
+}
+
+
+static void
+MakeNormalWindow(Display *dpy)
+{
+   int attrib[] = { GLX_RGBA,
+		    GLX_RED_SIZE, 1,
+		    GLX_GREEN_SIZE, 1,
+		    GLX_BLUE_SIZE, 1,
+		    GLX_DOUBLEBUFFER,
+		    None };
+   int scrnum;
+   Window root;
+   XVisualInfo *visinfo;
+
+   scrnum = DefaultScreen(dpy);
+   root = RootWindow(dpy, scrnum);
+
+   visinfo = glXChooseVisual(dpy, scrnum, attrib);
+   if (!visinfo) {
+      printf("Error: couldn't get an RGB, Double-buffered visual\n");
+      exit(1);
+   }
+
+   NormalWindow = MakeWindow(dpy, visinfo, root, WinWidth, WinHeight);
+   assert(NormalWindow);
+
+   NormalContext = glXCreateContext(dpy, visinfo, NULL, True);
+   assert(NormalContext);
+}
+
+
+static void
+MakeOverlayWindow(Display *dpy)
+{
+   int rgbAttribs[] = {
+      GLX_RGBA,
+      GLX_RED_SIZE, 1,
+      GLX_GREEN_SIZE, 1,
+      GLX_BLUE_SIZE, 1,
+      GLX_DOUBLEBUFFER,
+      GLX_LEVEL, 1,
+      None
+   };
+   int indexAttribs[] = {
+      /*GLX_RGBA, leave this out */
+      GLX_RED_SIZE, 1,
+      GLX_GREEN_SIZE, 1,
+      GLX_BLUE_SIZE, 1,
+      GLX_DOUBLEBUFFER,
+      GLX_LEVEL, 1,
+      None
+   };
+   int scrnum;
+   Window root;
+   XVisualInfo *visinfo;
+
+   scrnum = DefaultScreen(dpy);
+   root = RootWindow(dpy, scrnum);
+
+   visinfo = glXChooseVisual(dpy, scrnum, rgbAttribs);
+   if (visinfo) {
+      printf("Found RGB overlay visual 0x%x\n", (int) visinfo->visualid);
+      RGBOverlay = GL_TRUE;
+   }
+   else {
+      visinfo = glXChooseVisual(dpy, scrnum, indexAttribs);
+      if (visinfo) {
+         printf("Found Color Index overlay visual 0x%x\n",
+                (int) visinfo->visualid);
+         /* XXX setup the colormap entries! */
+      }
+      else {
+         printf("Error: couldn't get an overlay visual!\n");
+         exit(1);
+      }
+   }
+
+   OverlayWindow = MakeWindow(dpy, visinfo, NormalWindow, WinWidth, WinHeight);
+   assert(OverlayWindow);
+
+   OverlayContext = glXCreateContext(dpy, visinfo, NULL, True);
+   assert(OverlayContext);
+}
+
+
+static void
+EventLoop(Display *dpy)
+{
+   XEvent event;
+
+   while (1) {
+      XNextEvent(dpy, &event);
+
+      switch (event.type) {
+	 case Expose:
+	    RedrawNormal(dpy);
+	    RedrawOverlay(dpy);
+	    break;
+	 case ConfigureNotify:
+            WinWidth = event.xconfigure.width;
+            WinHeight = event.xconfigure.height;
+            if (event.xconfigure.window == NormalWindow)
+               XResizeWindow(dpy, OverlayWindow, WinWidth, WinHeight);
+	    break;
+         case KeyPress:
+            {
+               char buffer[10];
+               int r, code;
+               code = XLookupKeysym(&event.xkey, 0);
+	       r = XLookupString(&event.xkey, buffer, sizeof(buffer),
+				 NULL, NULL);
+	       if (buffer[0] == 27) {
+                  /* escape */
+                  return;
+               }
+               else if (buffer[0] == ' ') {
+                  Angle += 5.0;
+                  RedrawNormal(dpy);
+               }
+            }
+            break;
+         default:
+            ; /* nothing */
+      }
+   }
+}
+
+
+int
+main(int argc, char *argv[])
+{
+   Display *dpy = XOpenDisplay(NULL);
+
+   assert(dpy);
+
+   MakeNormalWindow(dpy);
+   MakeOverlayWindow(dpy);
+
+   XMapWindow(dpy, NormalWindow);
+   XMapWindow(dpy, OverlayWindow);
+
+   EventLoop(dpy);
+
+   glXDestroyContext(dpy, OverlayContext);
+   glXDestroyContext(dpy, NormalContext);
+   XDestroyWindow(dpy, OverlayWindow);
+   XDestroyWindow(dpy, NormalWindow);
+
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/xdemos/pbdemo.c b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/pbdemo.c
new file mode 100644
index 000000000..efdfdfa45
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/pbdemo.c
@@ -0,0 +1,478 @@
+
+/*
+ * This program demonstrates how to do "off-screen" rendering using
+ * the GLX pixel buffer extension.
+ *
+ * Written by Brian Paul for the "OpenGL and Window System Integration"
+ * course presented at SIGGRAPH '97.  Updated on 5 October 2002.
+ *
+ * Usage:
+ *   pbuffers width height imgfile
+ * Where:
+ *   width is the width, in pixels, of the image to generate.
+ *   height is the height, in pixels, of the image to generate.
+ *   imgfile is the name of the PPM image file to write.
+ *
+ *
+ * This demo draws 3-D boxes with random orientation.  A pbuffer with
+ * a depth (Z) buffer is prefered but if such a pbuffer can't be created
+ * we use a non-depth-buffered config.
+ *
+ * On machines such as the SGI Indigo you may have to reconfigure your
+ * display/X server to enable pbuffers.  Look in the /usr/gfx/ucode/MGRAS/vof/
+ * directory for display configurationswith the _pbuf suffix.  Use
+ * setmon -x <vof> to configure your X server and display for pbuffers.
+ *
+ * O2 systems seem to support pbuffers well.
+ *
+ * IR systems (at least 1RM systems) don't have single-buffered, RGBA,
+ * Z-buffered pbuffer configs.  BUT, they DO have DOUBLE-buffered, RGBA,
+ * Z-buffered pbuffers.  Note how we try four different fbconfig attribute
+ * lists below!
+ */
+
+
+#include <assert.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <X11/Xlib.h>
+#include "pbutil.h"
+
+
+/* Some ugly global vars */
+static Display *gDpy = NULL;
+static int gScreen = 0;
+static FBCONFIG gFBconfig = 0;
+static PBUFFER gPBuffer = 0;
+static int gWidth, gHeight;
+static GLXContext glCtx;
+
+
+
+/*
+ * Create the pbuffer and return a GLXPbuffer handle.
+ *
+ * We loop over a list of fbconfigs trying to create
+ * a pixel buffer.  We return the first pixel buffer which we successfully
+ * create.
+ */
+static PBUFFER
+MakePbuffer( Display *dpy, int screen, int width, int height )
+{
+#define NUM_FB_CONFIGS 4
+   const char fbString[NUM_FB_CONFIGS][100] = {
+      "Single Buffered, depth buffer",
+      "Double Buffered, depth buffer",
+      "Single Buffered, no depth buffer",
+      "Double Buffered, no depth buffer"
+   };
+   int fbAttribs[NUM_FB_CONFIGS][100] = {
+      {
+         /* Single buffered, with depth buffer */
+         GLX_RENDER_TYPE, GLX_RGBA_BIT,
+         GLX_DRAWABLE_TYPE, GLX_PBUFFER_BIT,
+         GLX_RED_SIZE, 1,
+         GLX_GREEN_SIZE, 1,
+         GLX_BLUE_SIZE, 1,
+         GLX_DEPTH_SIZE, 1,
+         GLX_DOUBLEBUFFER, 0,
+         GLX_STENCIL_SIZE, 0,
+         None
+      },
+      {
+         /* Double buffered, with depth buffer */
+         GLX_RENDER_TYPE, GLX_RGBA_BIT,
+         GLX_DRAWABLE_TYPE, GLX_PBUFFER_BIT,
+         GLX_RED_SIZE, 1,
+         GLX_GREEN_SIZE, 1,
+         GLX_BLUE_SIZE, 1,
+         GLX_DEPTH_SIZE, 1,
+         GLX_DOUBLEBUFFER, 1,
+         GLX_STENCIL_SIZE, 0,
+         None
+      },
+      {
+         /* Single bufferd, without depth buffer */
+         GLX_RENDER_TYPE, GLX_RGBA_BIT,
+         GLX_DRAWABLE_TYPE, GLX_PBUFFER_BIT,
+         GLX_RED_SIZE, 1,
+         GLX_GREEN_SIZE, 1,
+         GLX_BLUE_SIZE, 1,
+         GLX_DEPTH_SIZE, 0,
+         GLX_DOUBLEBUFFER, 0,
+         GLX_STENCIL_SIZE, 0,
+         None
+      },
+      {
+         /* Double bufferd, without depth buffer */
+         GLX_RENDER_TYPE, GLX_RGBA_BIT,
+         GLX_DRAWABLE_TYPE, GLX_PBUFFER_BIT,
+         GLX_RED_SIZE, 1,
+         GLX_GREEN_SIZE, 1,
+         GLX_BLUE_SIZE, 1,
+         GLX_DEPTH_SIZE, 0,
+         GLX_DOUBLEBUFFER, 1,
+         GLX_STENCIL_SIZE, 0,
+         None
+      }
+   };
+   Bool largest = True;
+   Bool preserve = False;
+   FBCONFIG *fbConfigs;
+   PBUFFER pBuffer = None;
+   int nConfigs;
+   int i;
+   int attempt;
+
+   for (attempt=0; attempt<NUM_FB_CONFIGS; attempt++) {
+
+      /* Get list of possible frame buffer configurations */
+      fbConfigs = ChooseFBConfig(dpy, screen, fbAttribs[attempt], &nConfigs);
+      if (nConfigs==0 || !fbConfigs) {
+         printf("Error: glXChooseFBConfig failed\n");
+         XCloseDisplay(dpy);
+         return 0;
+      }
+
+#if 0 /*DEBUG*/
+      for (i=0;i<nConfigs;i++) {
+         printf("Config %d\n", i);
+         PrintFBConfigInfo(dpy, screen, fbConfigs[i], 0);
+      }
+#endif
+
+      /* Create the pbuffer using first fbConfig in the list that works. */
+      for (i=0;i<nConfigs;i++) {
+         pBuffer = CreatePbuffer(dpy, screen, fbConfigs[i], width, height, preserve, largest);
+         if (pBuffer) {
+            gFBconfig = fbConfigs[i];
+            gWidth = width;
+            gHeight = height;
+            break;
+         }
+      }
+
+      if (pBuffer!=None) {
+         break;
+      }
+   }
+
+   if (pBuffer) {
+      printf("Using: %s\n", fbString[attempt]);
+   }
+
+   XFree(fbConfigs);
+
+   return pBuffer;
+#undef NUM_FB_CONFIGS
+}
+
+
+
+/*
+ * Do all the X / GLX setup stuff.
+ */
+static int
+Setup(int width, int height)
+{
+   int pbSupport;
+   XVisualInfo *visInfo;
+
+   /* Open the X display */
+   gDpy = XOpenDisplay(NULL);
+   if (!gDpy) {
+      printf("Error: couldn't open default X display.\n");
+      return 0;
+   }
+
+   /* Get default screen */
+   gScreen = DefaultScreen(gDpy);
+
+   /* Test that pbuffers are available */
+   pbSupport = QueryPbuffers(gDpy, gScreen);
+   if (pbSupport == 1) {
+      printf("Using GLX 1.3 Pbuffers\n");
+   }
+   else if (pbSupport == 2) {
+      printf("Using SGIX Pbuffers\n");
+   }
+   else {
+      printf("Error: pbuffers not available on this screen\n");
+      XCloseDisplay(gDpy);
+      return 0;
+   }
+
+   /* Create Pbuffer */
+   gPBuffer = MakePbuffer( gDpy, gScreen, width, height );
+   if (gPBuffer==None) {
+      printf("Error: couldn't create pbuffer\n");
+      XCloseDisplay(gDpy);
+      return 0;
+   }
+
+   /* Get corresponding XVisualInfo */
+   visInfo = GetVisualFromFBConfig(gDpy, gScreen, gFBconfig);
+   if (!visInfo) {
+      printf("Error: can't get XVisualInfo from FBconfig\n");
+      XCloseDisplay(gDpy);
+      return 0;
+   }
+
+   /* Create GLX context */
+   glCtx = glXCreateContext(gDpy, visInfo, NULL, True);
+   if (!glCtx) {
+      /* try indirect */
+      glCtx = glXCreateContext(gDpy, visInfo, NULL, False);
+      if (!glCtx) {
+         printf("Error: Couldn't create GLXContext\n");
+         XFree(visInfo);
+         XCloseDisplay(gDpy);
+         return 0;
+      }
+      else {
+         printf("Warning: using indirect GLXContext\n");
+      }
+   }
+
+   /* Bind context to pbuffer */
+   if (!glXMakeCurrent(gDpy, gPBuffer, glCtx)) {
+      printf("Error: glXMakeCurrent failed\n");
+      XFree(visInfo);
+      XCloseDisplay(gDpy);
+      return 0;
+   }
+
+   return 1;  /* Success!! */
+}
+
+
+
+/* One-time GL setup */
+static void
+InitGL(void)
+{
+   static GLfloat pos[4] = {0.0, 0.0, 10.0, 0.0};
+   glEnable(GL_LIGHTING);
+   glEnable(GL_LIGHT0);
+   glLightfv(GL_LIGHT0, GL_POSITION, pos);
+   glEnable(GL_NORMALIZE);
+   glEnable(GL_DEPTH_TEST);
+   glEnable(GL_CULL_FACE);
+
+   glViewport(0, 0, gWidth, gHeight);
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glFrustum( -1.0, 1.0, -1.0, 1.0, 5.0, 25.0 );
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   glTranslatef( 0.0, 0.0, -15.0 );
+}
+
+
+/* Return random float in [0,1] */
+static float
+Random(void)
+{
+   int i = rand();
+   return (float) (i % 1000) / 1000.0;
+}
+
+
+static void
+RandomColor(void)
+{
+   GLfloat c[4];
+   c[0] = Random();
+   c[1] = Random();
+   c[2] = Random();
+   c[3] = 1.0;
+   glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, c);
+}
+
+
+/* This function borrowed from Mark Kilgard's GLUT */
+static void
+drawBox(GLfloat x0, GLfloat x1, GLfloat y0, GLfloat y1,
+  GLfloat z0, GLfloat z1, GLenum type)
+{
+  static GLfloat n[6][3] =
+  {
+    {-1.0, 0.0, 0.0},
+    {0.0, 1.0, 0.0},
+    {1.0, 0.0, 0.0},
+    {0.0, -1.0, 0.0},
+    {0.0, 0.0, 1.0},
+    {0.0, 0.0, -1.0}
+  };
+  static GLint faces[6][4] =
+  {
+    {0, 1, 2, 3},
+    {3, 2, 6, 7},
+    {7, 6, 5, 4},
+    {4, 5, 1, 0},
+    {5, 6, 2, 1},
+    {7, 4, 0, 3}
+  };
+  GLfloat v[8][3], tmp;
+  GLint i;
+
+  if (x0 > x1) {
+    tmp = x0;
+    x0 = x1;
+    x1 = tmp;
+  }
+  if (y0 > y1) {
+    tmp = y0;
+    y0 = y1;
+    y1 = tmp;
+  }
+  if (z0 > z1) {
+    tmp = z0;
+    z0 = z1;
+    z1 = tmp;
+  }
+  v[0][0] = v[1][0] = v[2][0] = v[3][0] = x0;
+  v[4][0] = v[5][0] = v[6][0] = v[7][0] = x1;
+  v[0][1] = v[1][1] = v[4][1] = v[5][1] = y0;
+  v[2][1] = v[3][1] = v[6][1] = v[7][1] = y1;
+  v[0][2] = v[3][2] = v[4][2] = v[7][2] = z0;
+  v[1][2] = v[2][2] = v[5][2] = v[6][2] = z1;
+
+  for (i = 0; i < 6; i++) {
+    glBegin(type);
+    glNormal3fv(&n[i][0]);
+    glVertex3fv(&v[faces[i][0]][0]);
+    glVertex3fv(&v[faces[i][1]][0]);
+    glVertex3fv(&v[faces[i][2]][0]);
+    glVertex3fv(&v[faces[i][3]][0]);
+    glEnd();
+  }
+}
+
+
+
+/* Render a scene */
+static void
+Render(void)
+{
+   int NumBoxes = 100;
+   int i;
+
+   glClearColor(0.2, 0.2, 0.9, 0.0);
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+   for (i=0;i<NumBoxes;i++) {
+      float tx = -2.0 + 4.0 * Random();
+      float ty = -2.0 + 4.0 * Random();
+      float tz =  4.0 - 16.0 * Random();
+      float sx = 0.1 + Random() * 0.4;
+      float sy = 0.1 + Random() * 0.4;
+      float sz = 0.1 + Random() * 0.4;
+      float rx = Random();
+      float ry = Random();
+      float rz = Random();
+      float ra = Random() * 360.0;
+      glPushMatrix();
+      glTranslatef(tx, ty, tz);
+      glRotatef(ra, rx, ry, rz);
+      glScalef(sx, sy, sz);
+      RandomColor();
+      drawBox(-1.0, 1.0, -1.0, 1.0, -1.0, 1.0, GL_POLYGON);
+      glPopMatrix();
+   }
+
+   glFinish();
+}
+
+
+
+static void
+WriteFile(const char *filename)
+{
+   FILE *f;
+   GLubyte *image;
+   int i;
+
+   image = malloc(gWidth * gHeight * 3 * sizeof(GLubyte));
+   if (!image) {
+      printf("Error: couldn't allocate image buffer\n");
+      return;
+   }
+
+   glPixelStorei(GL_PACK_ALIGNMENT, 1);
+   glReadPixels(0, 0, gWidth, gHeight, GL_RGB, GL_UNSIGNED_BYTE, image);
+
+   f = fopen(filename, "w");
+   if (!f) {
+      printf("Couldn't open image file: %s\n", filename);
+      return;
+   }
+   fprintf(f,"P6\n");
+   fprintf(f,"# ppm-file created by %s\n", "trdemo2");
+   fprintf(f,"%i %i\n", gWidth, gHeight);
+   fprintf(f,"255\n");
+   fclose(f);
+   f = fopen(filename, "ab");  /* now append binary data */
+   if (!f) {
+      printf("Couldn't append to image file: %s\n", filename);
+      return;
+   }
+
+   for (i=0;i<gHeight;i++) {
+      GLubyte *rowPtr;
+      /* Remember, OpenGL images are bottom to top.  Have to reverse. */
+      rowPtr = image + (gHeight-1-i) * gWidth*3;
+      fwrite(rowPtr, 1, gWidth*3, f);
+   }
+
+   fclose(f);
+   free(image);
+
+   printf("Wrote %d by %d image file: %s\n", gWidth, gHeight, filename);
+}
+
+
+
+/*
+ * Print message describing command line parameters.
+ */
+static void
+Usage(const char *appName)
+{
+   printf("Usage:\n");
+   printf("  %s width height imgfile\n", appName);
+   printf("Where imgfile is a ppm file\n");
+}
+
+
+
+int
+main(int argc, char *argv[])
+{
+   if (argc!=4) {
+      Usage(argv[0]);
+   }
+   else {
+      int width = atoi(argv[1]);
+      int height = atoi(argv[2]);
+      char *fileName = argv[3];
+      if (width<=0) {
+         printf("Error: width parameter must be at least 1.\n");
+         return 1;
+      }
+      if (height<=0) {
+         printf("Error: height parameter must be at least 1.\n");
+         return 1;
+      }
+      if (!Setup(width, height)) {
+         return 1;
+      }
+      InitGL();
+      Render();
+      WriteFile(fileName);
+      DestroyPbuffer(gDpy, gScreen, gPBuffer);
+   }
+   return 0;
+}
+
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/xdemos/pbinfo.c b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/pbinfo.c
new file mode 100644
index 000000000..88d93c8da
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/pbinfo.c
@@ -0,0 +1,106 @@
+
+/*
+ * Print list of fbconfigs and test each to see if a pbuffer can be created
+ * for that config.
+ *
+ * Brian Paul
+ * April 1997
+ * Updated on 5 October 2002.
+ */
+
+
+#include <X11/Xlib.h>
+#include <stdio.h>
+#include <string.h>
+#include "pbutil.h"
+
+
+
+
+static void
+PrintConfigs(Display *dpy, int screen, Bool horizFormat)
+{
+   FBCONFIG *fbConfigs;
+   int nConfigs;
+   int i;
+
+   fbConfigs = GetAllFBConfigs(dpy, screen, &nConfigs);
+   if (!nConfigs || !fbConfigs) {
+      printf("Error: glxGetFBConfigs failed\n");
+      return;
+   }
+
+   printf("Number of fbconfigs: %d\n", nConfigs);
+
+   if (horizFormat) {
+      printf("  ID        VisualType  Depth Lvl RGB CI DB Stereo  R  G  B  A");
+      printf("   Z  S  AR AG AB AA  MSbufs MSnum  Pbuffer  Float\n");
+   }
+
+   /* Print config info */
+   for (i = 0; i < nConfigs; i++) {
+      PrintFBConfigInfo(dpy, screen, fbConfigs[i], horizFormat);
+   }
+
+   /* free the list */
+   XFree(fbConfigs);
+}
+
+
+
+static void
+PrintUsage(void)
+{
+   printf("Options:\n");
+   printf("  -display <display-name>  specify X display name\n");
+   printf("  -t                       print in tabular format\n");
+   printf("  -v                       print in verbose format\n");
+   printf("  -help                    print this information\n");
+}
+
+
+int
+main(int argc, char *argv[])
+{
+   Display *dpy;
+   int scrn;
+   char *dpyName = NULL;
+   Bool horizFormat = True;
+   int i;
+
+   for (i=1; i<argc; i++) {
+      if (strcmp(argv[i],"-display")==0) {
+	 if (i+1<argc) {
+	    dpyName = argv[i+1];
+	    i++;
+	 }
+      }
+      else if (strcmp(argv[i],"-t")==0) {
+	 /* tabular format */
+	 horizFormat = True;
+      }
+      else if (strcmp(argv[i],"-v")==0) {
+	 /* verbose format */
+	 horizFormat = False;
+      }
+      else if (strcmp(argv[i],"-help")==0) {
+	 PrintUsage();
+	 return 0;
+      }
+      else {
+	 printf("Unknown option: %s\n", argv[i]);
+      }
+   }
+
+   dpy = XOpenDisplay(dpyName);
+
+   if (!dpy) {
+      printf("Error: couldn't open display %s\n", dpyName ? dpyName : ":0");
+      return 1;
+   }
+
+   scrn = DefaultScreen(dpy);
+   PrintConfigs(dpy, scrn, horizFormat);
+   XCloseDisplay(dpy);
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/xdemos/pbutil.c b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/pbutil.c
new file mode 100644
index 000000000..d0bbd1b0f
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/pbutil.c
@@ -0,0 +1,426 @@
+
+/*
+ * OpenGL pbuffers utility functions.
+ *
+ * Brian Paul
+ * Original code: April 1997
+ * Updated on 5 October 2002
+ * Updated again on 3 January 2005 to use GLX 1.3 functions in preference
+ * to the GLX_SGIX_fbconfig/pbuffer extensions.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include "pbutil.h"
+
+
+/**
+ * Test if we pixel buffers are available for a particular X screen.
+ * Input:  dpy - the X display
+ *         screen - screen number
+ * Return:  0 = pixel buffers not available.
+ *          1 = pixel buffers are available via GLX 1.3.
+ *          2 = pixel buffers are available via GLX_SGIX_fbconfig/pbuffer.
+ */
+int
+QueryPbuffers(Display *dpy, int screen)
+{
+#if defined(GLX_VERSION_1_3)
+   {
+      /* GLX 1.3 supports pbuffers */
+      int glxVersionMajor, glxVersionMinor;
+      if (!glXQueryVersion(dpy, &glxVersionMajor, &glxVersionMinor)) {
+         /* GLX not available! */
+         return 0;
+      }
+      if (glxVersionMajor * 100 + glxVersionMinor >= 103) {
+         return 1;
+      }
+      /* fall-through */
+   }
+#endif
+
+#if defined(GLX_SGIX_fbconfig) && defined(GLX_SGIX_pbuffer)
+   /* Try the SGIX extensions */
+   {
+      char *extensions;
+      extensions = (char *) glXQueryServerString(dpy, screen, GLX_EXTENSIONS);
+      if (!extensions ||
+          !strstr(extensions,"GLX_SGIX_fbconfig") ||
+          !strstr(extensions,"GLX_SGIX_pbuffer")) {
+         return 0;
+      }
+      return 2;
+   }
+#endif
+
+   return 0;
+}
+
+
+
+FBCONFIG *
+ChooseFBConfig(Display *dpy, int screen, const int attribs[], int *nConfigs)
+{
+   int pbSupport = QueryPbuffers(dpy, screen);
+#if defined(GLX_VERSION_1_3)
+   if (pbSupport == 1) {
+      return glXChooseFBConfig(dpy, screen, attribs, nConfigs);
+   }
+#endif
+#if defined(GLX_SGIX_fbconfig) && defined(GLX_SGIX_pbuffer)
+   if (pbSupport == 2) {
+      return glXChooseFBConfigSGIX(dpy, screen, (int *) attribs, nConfigs);
+   }
+#endif
+   return NULL;
+}
+
+
+FBCONFIG *
+GetAllFBConfigs(Display *dpy, int screen, int *nConfigs)
+{
+   int pbSupport = QueryPbuffers(dpy, screen);
+#if defined(GLX_VERSION_1_3)
+   if (pbSupport == 1) {
+      return glXGetFBConfigs(dpy, screen, nConfigs);
+   }
+#endif
+#if defined(GLX_SGIX_fbconfig) && defined(GLX_SGIX_pbuffer)
+   if (pbSupport == 2) {
+      /* The GLX_SGIX_fbconfig extensions says to pass NULL to get list
+       * of all available configurations.
+       */
+      return glXChooseFBConfigSGIX(dpy, screen, NULL, nConfigs);
+   }
+#endif
+   return NULL;
+}
+
+
+XVisualInfo *
+GetVisualFromFBConfig(Display *dpy, int screen, FBCONFIG config)
+{
+   int pbSupport = QueryPbuffers(dpy, screen);
+#if defined(GLX_VERSION_1_3)
+   if (pbSupport == 1) {
+      return glXGetVisualFromFBConfig(dpy, config);
+   }
+#endif
+#if defined(GLX_SGIX_fbconfig) && defined(GLX_SGIX_pbuffer)
+   if (pbSupport == 2) {
+      return glXGetVisualFromFBConfigSGIX(dpy, config);
+   }
+#endif
+   return NULL;
+}
+
+
+/**
+ * Either use glXGetFBConfigAttrib() or glXGetFBConfigAttribSGIX()
+ * to query an fbconfig attribute.
+ */
+static int
+GetFBConfigAttrib(Display *dpy, int screen,
+#if defined(GLX_VERSION_1_3)
+                  const GLXFBConfig config,
+#elif defined(GLX_SGIX_fbconfig)
+                  const GLXFBConfigSGIX config,
+#endif
+                  int attrib
+                  )
+{
+   int pbSupport = QueryPbuffers(dpy, screen);
+   int value = 0;
+
+#if defined(GLX_VERSION_1_3)
+   if (pbSupport == 1) {
+      /* ok */
+      if (glXGetFBConfigAttrib(dpy, config, attrib, &value) != 0) {
+         value = 0;
+      }
+      return value;
+   }
+   /* fall-through */
+#endif
+
+#if defined(GLX_SGIX_fbconfig) && defined(GLX_SGIX_pbuffer)
+   if (pbSupport == 2) {
+      if (glXGetFBConfigAttribSGIX(dpy, config, attrib, &value) != 0) {
+         value = 0;
+      }
+      return value;
+   }
+#endif
+   
+   return value;
+}
+
+
+
+/**
+ * Print parameters for a GLXFBConfig to stdout.
+ * Input:  dpy - the X display
+ *         screen - the X screen number
+ *         fbConfig - the fbconfig handle
+ *         horizFormat - if true, print in horizontal format
+ */
+void
+PrintFBConfigInfo(Display *dpy, int screen, FBCONFIG config, Bool horizFormat)
+{
+   PBUFFER pBuffer;
+   int width=2, height=2;
+   int bufferSize, level, doubleBuffer, stereo, auxBuffers;
+   int redSize, greenSize, blueSize, alphaSize;
+   int depthSize, stencilSize;
+   int accumRedSize, accumBlueSize, accumGreenSize, accumAlphaSize;
+   int sampleBuffers, samples;
+   int drawableType, renderType, xRenderable, xVisual, id;
+   int maxWidth, maxHeight, maxPixels;
+   int optWidth, optHeight;
+   int floatComponents = 0;
+
+   /* do queries using the GLX 1.3 tokens (same as the SGIX tokens) */
+   bufferSize     = GetFBConfigAttrib(dpy, screen, config, GLX_BUFFER_SIZE);
+   level          = GetFBConfigAttrib(dpy, screen, config, GLX_LEVEL);
+   doubleBuffer   = GetFBConfigAttrib(dpy, screen, config, GLX_DOUBLEBUFFER);
+   stereo         = GetFBConfigAttrib(dpy, screen, config, GLX_STEREO);
+   auxBuffers     = GetFBConfigAttrib(dpy, screen, config, GLX_AUX_BUFFERS);
+   redSize        = GetFBConfigAttrib(dpy, screen, config, GLX_RED_SIZE);
+   greenSize      = GetFBConfigAttrib(dpy, screen, config, GLX_GREEN_SIZE);
+   blueSize       = GetFBConfigAttrib(dpy, screen, config, GLX_BLUE_SIZE);
+   alphaSize      = GetFBConfigAttrib(dpy, screen, config, GLX_ALPHA_SIZE);
+   depthSize      = GetFBConfigAttrib(dpy, screen, config, GLX_DEPTH_SIZE);
+   stencilSize    = GetFBConfigAttrib(dpy, screen, config, GLX_STENCIL_SIZE);
+   accumRedSize   = GetFBConfigAttrib(dpy, screen, config, GLX_ACCUM_RED_SIZE);
+   accumGreenSize = GetFBConfigAttrib(dpy, screen, config, GLX_ACCUM_GREEN_SIZE);
+   accumBlueSize  = GetFBConfigAttrib(dpy, screen, config, GLX_ACCUM_BLUE_SIZE);
+   accumAlphaSize = GetFBConfigAttrib(dpy, screen, config, GLX_ACCUM_ALPHA_SIZE);
+   sampleBuffers  = GetFBConfigAttrib(dpy, screen, config, GLX_SAMPLE_BUFFERS);
+   samples        = GetFBConfigAttrib(dpy, screen, config, GLX_SAMPLES);
+   drawableType   = GetFBConfigAttrib(dpy, screen, config, GLX_DRAWABLE_TYPE);
+   renderType     = GetFBConfigAttrib(dpy, screen, config, GLX_RENDER_TYPE);
+   xRenderable    = GetFBConfigAttrib(dpy, screen, config, GLX_X_RENDERABLE);
+   xVisual        = GetFBConfigAttrib(dpy, screen, config, GLX_X_VISUAL_TYPE);
+   if (!xRenderable || !(drawableType & GLX_WINDOW_BIT_SGIX))
+      xVisual = -1;
+
+   id        = GetFBConfigAttrib(dpy, screen, config, GLX_FBCONFIG_ID);
+   maxWidth  = GetFBConfigAttrib(dpy, screen, config, GLX_MAX_PBUFFER_WIDTH);
+   maxHeight = GetFBConfigAttrib(dpy, screen, config, GLX_MAX_PBUFFER_HEIGHT);
+   maxPixels = GetFBConfigAttrib(dpy, screen, config, GLX_MAX_PBUFFER_PIXELS);
+#if defined(GLX_SGIX_pbuffer)
+   optWidth  = GetFBConfigAttrib(dpy, screen, config, GLX_OPTIMAL_PBUFFER_WIDTH_SGIX);
+   optHeight = GetFBConfigAttrib(dpy, screen, config, GLX_OPTIMAL_PBUFFER_HEIGHT_SGIX);
+#else
+   optWidth = optHeight = 0;
+#endif
+#if defined(GLX_NV_float_buffer)
+   floatComponents = GetFBConfigAttrib(dpy, screen, config, GLX_FLOAT_COMPONENTS_NV);
+#endif
+
+   /* See if we can create a pbuffer with this config */
+   pBuffer = CreatePbuffer(dpy, screen, config, width, height, False, False);
+
+   if (horizFormat) {
+      printf("0x%-9x ", id);
+      if (xVisual==GLX_STATIC_GRAY)        printf("StaticGray  ");
+      else if (xVisual==GLX_GRAY_SCALE)    printf("GrayScale   ");
+      else if (xVisual==GLX_STATIC_COLOR)  printf("StaticColor ");
+      else if (xVisual==GLX_PSEUDO_COLOR)  printf("PseudoColor ");
+      else if (xVisual==GLX_TRUE_COLOR)    printf("TrueColor   ");
+      else if (xVisual==GLX_DIRECT_COLOR)  printf("DirectColor ");
+      else                            printf("  -none-    ");
+      printf(" %3d %3d   %s   %s  %s   %2s   ", bufferSize, level,
+	     (renderType & GLX_RGBA_BIT_SGIX) ? "y" : ".",
+	     (renderType & GLX_COLOR_INDEX_BIT_SGIX) ? "y" : ".",
+	     doubleBuffer ? "y" : ".",
+	     stereo ? "y" : ".");
+      printf("%2d %2d %2d %2d  ", redSize, greenSize, blueSize, alphaSize);
+      printf("%2d %2d  ", depthSize, stencilSize);
+      printf("%2d %2d %2d %2d", accumRedSize, accumGreenSize, accumBlueSize,
+	     accumAlphaSize);
+      printf("    %2d    %2d", sampleBuffers, samples);
+      printf("       %s       %c", pBuffer ? "y" : ".",
+             ".y"[floatComponents]);
+      printf("\n");
+   }
+   else {
+      printf("Id 0x%x\n", id);
+      printf("  Buffer Size: %d\n", bufferSize);
+      printf("  Level: %d\n", level);
+      printf("  Double Buffer: %s\n", doubleBuffer ? "yes" : "no");
+      printf("  Stereo: %s\n", stereo ? "yes" : "no");
+      printf("  Aux Buffers: %d\n", auxBuffers);
+      printf("  Red Size: %d\n", redSize);
+      printf("  Green Size: %d\n", greenSize);
+      printf("  Blue Size: %d\n", blueSize);
+      printf("  Alpha Size: %d\n", alphaSize);
+      printf("  Depth Size: %d\n", depthSize);
+      printf("  Stencil Size: %d\n", stencilSize);
+      printf("  Accum Red Size: %d\n", accumRedSize);
+      printf("  Accum Green Size: %d\n", accumGreenSize);
+      printf("  Accum Blue Size: %d\n", accumBlueSize);
+      printf("  Accum Alpha Size: %d\n", accumAlphaSize);
+      printf("  Sample Buffers: %d\n", sampleBuffers);
+      printf("  Samples/Pixel: %d\n", samples);
+      printf("  Drawable Types: ");
+      if (drawableType & GLX_WINDOW_BIT)  printf("Window ");
+      if (drawableType & GLX_PIXMAP_BIT)  printf("Pixmap ");
+      if (drawableType & GLX_PBUFFER_BIT)  printf("PBuffer");
+      printf("\n");
+      printf("  Render Types: ");
+      if (renderType & GLX_RGBA_BIT_SGIX)  printf("RGBA ");
+      if (renderType & GLX_COLOR_INDEX_BIT_SGIX)  printf("CI ");
+      printf("\n");
+      printf("  X Renderable: %s\n", xRenderable ? "yes" : "no");
+
+      printf("  Pbuffer: %s\n", pBuffer ? "yes" : "no");
+      printf("  Max Pbuffer width: %d\n", maxWidth);
+      printf("  Max Pbuffer height: %d\n", maxHeight);
+      printf("  Max Pbuffer pixels: %d\n", maxPixels);
+      printf("  Optimum Pbuffer width: %d\n", optWidth);
+      printf("  Optimum Pbuffer height: %d\n", optHeight);
+
+      printf("  Float Components: %s\n", floatComponents ? "yes" : "no");
+   }
+
+   if (pBuffer) {
+      DestroyPbuffer(dpy, screen, pBuffer);
+   }
+}
+
+
+
+GLXContext
+CreateContext(Display *dpy, int screen, FBCONFIG config)
+{
+   int pbSupport = QueryPbuffers(dpy, screen);
+#if defined(GLX_VERSION_1_3)
+   if (pbSupport == 1) {
+      /* GLX 1.3 */
+      GLXContext c;
+      c = glXCreateNewContext(dpy, config, GLX_RGBA_TYPE, NULL, True);
+      if (!c) {
+         /* try indirect */
+         c = glXCreateNewContext(dpy, config, GLX_RGBA_TYPE, NULL, False);
+      }
+      return c;
+   }
+#endif
+#if defined(GLX_SGIX_fbconfig) && defined(GLX_SGIX_pbuffer)
+   if (pbSupport == 2) {
+      GLXContext c;
+      c = glXCreateContextWithConfigSGIX(dpy, config, GLX_RGBA_TYPE_SGIX, NULL, True);
+      if (!c) {
+         c = glXCreateContextWithConfigSGIX(dpy, config, GLX_RGBA_TYPE_SGIX, NULL, False);
+      }
+      return c;
+   }
+#endif
+   return 0;
+}
+
+
+void
+DestroyContext(Display *dpy, GLXContext ctx)
+{
+   glXDestroyContext(dpy, ctx);
+}
+
+
+/* This is only used by CreatePbuffer() */
+static int XErrorFlag = 0;
+static int HandleXError(Display *dpy, XErrorEvent *event)
+{
+    XErrorFlag = 1;
+    return 0;
+}
+
+
+/**
+ * Create a Pbuffer.  Use an X error handler to deal with potential
+ * BadAlloc errors.
+ *
+ * Input:  dpy - the X display
+ *         fbConfig - an FBConfig as returned by glXChooseFBConfigSGIX().
+ *         width, height - size of pixel buffer to request, in pixels.
+ *         pbAttribs - list of optional pixel buffer attributes
+ * Return:  a Pbuffer or None.
+ */
+PBUFFER
+CreatePbuffer(Display *dpy, int screen, FBCONFIG config,
+              int width, int height, Bool largest, Bool preserve)
+{
+   int (*oldHandler)(Display *, XErrorEvent *);
+   PBUFFER pBuffer = None;
+   int pbSupport = QueryPbuffers(dpy, screen);
+
+   /* Catch X protocol errors with our own error handler */
+   oldHandler = XSetErrorHandler(HandleXError);
+   XErrorFlag = 0;
+
+#if defined(GLX_VERSION_1_3)
+   if (pbSupport == 1) {
+      /* GLX 1.3 */
+      int attribs[100], i = 0;
+      attribs[i++] = GLX_PBUFFER_WIDTH;
+      attribs[i++] = width;
+      attribs[i++] = GLX_PBUFFER_HEIGHT;
+      attribs[i++] = height;
+      attribs[i++] = GLX_PRESERVED_CONTENTS;
+      attribs[i++] = preserve;
+      attribs[i++] = GLX_LARGEST_PBUFFER;
+      attribs[i++] = largest;
+      attribs[i++] = 0;
+      pBuffer = glXCreatePbuffer(dpy, config, attribs);
+   }
+   else
+#endif
+#if defined(GLX_SGIX_fbconfig) && defined(GLX_SGIX_pbuffer)
+   if (pbSupport == 2) {
+      int attribs[100], i = 0;
+      attribs[i++] = GLX_PRESERVED_CONTENTS;
+      attribs[i++] = preserve;
+      attribs[i++] = GLX_LARGEST_PBUFFER;
+      attribs[i++] = largest;
+      attribs[i++] = 0;
+      pBuffer = glXCreateGLXPbufferSGIX(dpy, config, width, height, attribs);
+   }
+   else
+#endif
+   {
+      pBuffer = None;
+   }
+
+   /* Restore original X error handler */
+   (void) XSetErrorHandler(oldHandler);
+
+   /* Return pbuffer (may be None) */
+   if (!XErrorFlag && pBuffer != None) {
+      /*printf("config %d worked!\n", i);*/
+      return pBuffer;
+   }
+   else {
+      return None;
+   }
+}
+
+
+void
+DestroyPbuffer(Display *dpy, int screen, PBUFFER pbuffer)
+{
+   int pbSupport = QueryPbuffers(dpy, screen);
+#if defined(GLX_VERSION_1_3)
+   if (pbSupport == 1) {
+      glXDestroyPbuffer(dpy, pbuffer);
+      return;
+   }
+#endif
+#if defined(GLX_SGIX_fbconfig) && defined(GLX_SGIX_pbuffer)
+   if (pbSupport == 2) {
+      glXDestroyGLXPbufferSGIX(dpy, pbuffer);
+      return;
+   }
+#endif
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/xdemos/pbutil.h b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/pbutil.h
new file mode 100644
index 000000000..e95b2565a
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/pbutil.h
@@ -0,0 +1,66 @@
+/*
+ * OpenGL pbuffers utility functions.
+ *
+ * Brian Paul
+ * April 1997
+ */
+
+
+#ifndef PBUTIL_H
+#define PBUTIL_H
+
+
+#define GLX_GLXEXT_PROTOTYPES
+#include <GL/glx.h>
+
+
+#if defined(GLX_VERSION_1_3)
+#define PBUFFER GLXPbuffer
+#define FBCONFIG GLXFBConfig
+#elif defined(GLX_SGIX_fbconfig) && defined(GLX_SGIX_pbuffer)
+#define PBUFFER GLXPbufferSGIX
+#define FBCONFIG GLXFBConfigSGIX
+#else
+#define PBUFFER int
+#define FBCONFIG int
+#endif
+
+
+extern int
+QueryPbuffers(Display *dpy, int screen);
+
+
+extern void
+PrintFBConfigInfo(Display *dpy, int screen, FBCONFIG config, Bool horizFormat);
+
+
+extern FBCONFIG *
+ChooseFBConfig(Display *dpy, int screen, const int attribs[], int *nConfigs);
+
+
+extern FBCONFIG *
+GetAllFBConfigs(Display *dpy, int screen, int *nConfigs);
+
+
+extern XVisualInfo *
+GetVisualFromFBConfig(Display *dpy, int screen, FBCONFIG config);
+
+
+extern GLXContext
+CreateContext(Display *dpy, int screen, FBCONFIG config);
+
+
+extern void
+DestroyContext(Display *dpy, GLXContext ctx);
+
+
+extern PBUFFER
+CreatePbuffer(Display *dpy, int screen, FBCONFIG config,
+	      int width, int height, Bool preserve, Bool largest);
+
+
+extern void
+DestroyPbuffer(Display *dpy, int screen, PBUFFER pbuffer);
+
+
+#endif  /*PBUTIL_H*/
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/xdemos/shape.c b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/shape.c
new file mode 100644
index 000000000..dbbc0b4ff
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/shape.c
@@ -0,0 +1,394 @@
+
+/*
+ * Example of using the X "shape" extension with OpenGL:  render a spinning
+ * cube inside of a non-rectangular window.
+ *
+ * Press ESC to exit.  Press up/down to change window shape.
+ *
+ * To compile add "shape" to the PROGS list in Makefile.
+ *
+ * Brian Paul
+ * June 16, 1997
+ *
+ * This program is in the public domain.
+ */
+
+
+#include <math.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/time.h>
+#include <time.h>
+#include <unistd.h>
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <X11/keysym.h>
+#include <X11/extensions/shape.h>
+#include <GL/glx.h>
+
+#ifndef PI
+#define PI 3.1415926
+#endif
+
+
+static int Width=500, Height=500;
+
+static float Xangle = 0.0, Yangle = 0.0;
+static int Redraw = 0;
+static int Sides = 5;
+static int MinSides = 3;
+static int MaxSides = 20;
+
+
+/* return current time (in seconds) */
+static double
+current_time(void)
+{
+   struct timeval tv;
+#ifdef __VMS
+   (void) gettimeofday(&tv, NULL );
+#else
+   struct timezone tz;
+   (void) gettimeofday(&tv, &tz);
+#endif
+   return (double) tv.tv_sec + tv.tv_usec / 1000000.0;
+}
+
+
+/*
+ * Draw the OpenGL stuff and do a SwapBuffers.
+ */
+static void display(Display *dpy, Window win)
+{
+   float scale = 1.7;
+
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+   glPushMatrix();
+
+   glScalef(scale, scale, scale);
+   glRotatef(Xangle, 1.0, 0.0, 0.0);
+   glRotatef(Yangle, 0.0, 1.0, 0.0);
+
+   /*
+    * wireframe box
+    */
+   glColor3f(1.0, 1.0, 1.0);
+   glBegin(GL_LINE_LOOP);
+   glVertex3f(-1.0, -1.0, -1.0);
+   glVertex3f( 1.0, -1.0, -1.0);
+   glVertex3f( 1.0,  1.0, -1.0);
+   glVertex3f(-1.0,  1.0, -1.0);
+   glEnd();
+
+   glBegin(GL_LINE_LOOP);
+   glVertex3f(-1.0, -1.0, 1.0);
+   glVertex3f( 1.0, -1.0, 1.0);
+   glVertex3f( 1.0,  1.0, 1.0);
+   glVertex3f(-1.0,  1.0, 1.0);
+   glEnd();
+
+   glBegin(GL_LINES);
+   glVertex3f(-1.0, -1.0, -1.0);   glVertex3f(-1.0, -1.0, 1.0);
+   glVertex3f( 1.0, -1.0, -1.0);   glVertex3f( 1.0, -1.0, 1.0);
+   glVertex3f( 1.0,  1.0, -1.0);   glVertex3f( 1.0,  1.0, 1.0);
+   glVertex3f(-1.0,  1.0, -1.0);   glVertex3f(-1.0,  1.0, 1.0);
+   glEnd();
+
+   /*
+    * Solid box
+    */
+   glPushMatrix();
+   glScalef(0.75, 0.75, 0.75);
+
+   glColor3f(1, 0, 0);
+   glBegin(GL_POLYGON);
+   glVertex3f(1, -1, -1);
+   glVertex3f(1,  1, -1);
+   glVertex3f(1,  1,  1);
+   glVertex3f(1, -1,  1);
+   glEnd();
+
+   glColor3f(0, 1, 1);
+   glBegin(GL_POLYGON);
+   glVertex3f(-1, -1, -1);
+   glVertex3f(-1,  1, -1);
+   glVertex3f(-1,  1,  1);
+   glVertex3f(-1, -1,  1);
+   glEnd();
+
+   glColor3f(0, 1, 0);
+   glBegin(GL_POLYGON);
+   glVertex3f(-1, 1, -1);
+   glVertex3f( 1, 1, -1);
+   glVertex3f( 1, 1,  1);
+   glVertex3f(-1, 1,  1);
+   glEnd();
+
+   glColor3f(1, 0, 1);
+   glBegin(GL_POLYGON);
+   glVertex3f(-1, -1, -1);
+   glVertex3f( 1, -1, -1);
+   glVertex3f( 1, -1,  1);
+   glVertex3f(-1, -1,  1);
+   glEnd();
+
+   glColor3f(0, 0, 1);
+   glBegin(GL_POLYGON);
+   glVertex3f(-1, -1, 1);
+   glVertex3f( 1, -1, 1);
+   glVertex3f( 1,  1, 1);
+   glVertex3f(-1,  1, 1);
+   glEnd();
+
+   glColor3f(1, 1, 0);
+   glBegin(GL_POLYGON);
+   glVertex3f(-1, -1, -1);
+   glVertex3f( 1, -1, -1);
+   glVertex3f( 1,  1, -1);
+   glVertex3f(-1,  1, -1);
+   glEnd();
+   glPopMatrix();
+
+
+   glPopMatrix();
+
+   glXSwapBuffers(dpy, win);
+}
+
+
+/*
+ * This is called when we have to recompute the window shape bitmask.
+ * We just generate an n-sided regular polygon here but any other shape
+ * would be possible.
+ */
+static void make_shape_mask(Display *dpy, Window win, int width, int height,
+                            int sides)
+{
+   Pixmap shapeMask;
+   XGCValues xgcv;
+   GC gc;
+
+   /* allocate 1-bit deep pixmap and a GC */
+   shapeMask = XCreatePixmap(dpy, win, width, height, 1);
+   gc = XCreateGC(dpy, shapeMask, 0, &xgcv);
+
+   /* clear shapeMask to zeros */
+   XSetForeground(dpy, gc, 0);
+   XFillRectangle(dpy, shapeMask, gc, 0, 0, width, height);
+
+   /* draw mask */
+   XSetForeground(dpy, gc, 1);
+   {
+      int cx = width / 2;
+      int cy = height / 2;
+      float angle = 0.0;
+      float step = 2.0 * PI / sides;
+      float radius = width / 2;
+      int i;
+      XPoint points[100];
+      for (i=0;i<sides;i++) {
+         int x = cx + radius * sin(angle);
+         int y = cy - radius * cos(angle);
+         points[i].x = x;
+         points[i].y = y;
+         angle += step;
+      }
+      XFillPolygon(dpy, shapeMask, gc, points, sides, Convex, CoordModeOrigin);
+   }
+
+   /* This is the only SHAPE extension call- simple! */
+   XShapeCombineMask(dpy, win, ShapeBounding, 0, 0, shapeMask, ShapeSet);
+
+   XFreeGC(dpy, gc);
+   XFreePixmap(dpy, shapeMask);
+}
+
+
+/*
+ * Called when window is resized.  Do OpenGL viewport and projection stuff.
+ */
+static void reshape(int width, int height)
+{
+   glViewport(0, 0, width, height);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glFrustum(-1.0, 1.0, -1.0, 1.0, 3.0, 20.0);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glTranslatef(0.0, 0.0, -10.0);
+
+   glEnable(GL_DEPTH_TEST);
+}
+
+
+/*
+ * Process X events.
+ */
+static void event_loop(Display *dpy, Window win)
+{
+   while (1) {
+      XEvent event;
+      if (XPending(dpy)) {
+         XNextEvent(dpy, &event);
+         switch (event.type) {
+            case Expose:
+               display(dpy, event.xexpose.window);
+               break;
+            case ConfigureNotify:
+               Width = event.xconfigure.width;
+               Height = event.xconfigure.height,
+               make_shape_mask(dpy, win, Width, Height, Sides);
+               reshape(Width, Height);
+               break;
+            case KeyPress:
+               {
+                  char buf[100];
+                  KeySym keySym;
+                  XComposeStatus stat;
+                  XLookupString(&event.xkey, buf, sizeof(buf), &keySym, &stat);
+                  switch (keySym) {
+                     case XK_Escape:
+                        exit(0);
+                        break;
+                     case XK_Up:
+                        Sides++;
+                        if (Sides>MaxSides) Sides = MaxSides;
+                        make_shape_mask(dpy, win, Width, Height, Sides);
+                        break;
+                     case XK_Down:
+                        Sides--;
+                        if (Sides<MinSides) Sides = MinSides;
+                        make_shape_mask(dpy, win, Width, Height, Sides);
+                        break;
+                  }
+               }
+               break;
+            default:
+               ;;
+         }
+      }
+      else {
+         static double t0 = -1.0;
+         double dt, t = current_time();
+         if (t0 < 0.0)
+            t0 = t;
+         dt = t - t0;
+         Xangle += 90.0 * dt;  /* 90 degrees per second */
+         Yangle += 70.0 * dt;
+         t0 = t;
+         display(dpy, win);
+      }
+   }
+}
+
+
+/*
+ * Allocate a "nice" colormap.  This could be better (HP-CR support, etc).
+ */
+static Colormap alloc_colormap(Display *dpy, Window parent, Visual *vis)
+{
+   Screen *scr = DefaultScreenOfDisplay(dpy);
+   int scrnum = DefaultScreen(dpy);
+
+   if (MaxCmapsOfScreen(scr)==1 && vis==DefaultVisual(dpy, scrnum)) {
+      /* The window and root are of the same visual type so */
+      /* share the root colormap. */
+      return DefaultColormap(dpy, scrnum);
+   }
+   else {
+      return XCreateColormap(dpy, parent, vis, AllocNone);
+   }
+}
+
+
+int main(int argc, char *argv[])
+{
+   static int glAttribs[] = {
+      GLX_DOUBLEBUFFER,
+      GLX_RGBA,
+      GLX_DEPTH_SIZE, 1,
+      None
+   };
+   Display *dpy;
+   XVisualInfo *visInfo;
+   int scrn;
+   Window root;
+   Colormap cmap;
+   Window win;
+   XSetWindowAttributes winAttribs;
+   unsigned long winAttribsMask;
+   GLXContext glCtx;
+   int ignore;
+   const char *name = "OpenGL in a Shaped Window";
+
+   dpy = XOpenDisplay(NULL);
+   if (!dpy) {
+      fprintf(stderr, "Couldn't open default display\n");
+      return 1;
+   }
+
+   /* check that we can use the shape extension */
+   if (!XQueryExtension(dpy, "SHAPE", &ignore, &ignore, &ignore )) {
+      fprintf(stderr, "Display doesn't support shape extension\n");
+      return 1;
+   }
+
+   scrn = DefaultScreen(dpy);
+
+   root = RootWindow(dpy, scrn);
+
+   visInfo = glXChooseVisual(dpy, scrn, glAttribs);
+   if (!visInfo) {
+      fprintf(stderr, "Couldn't get RGB, DB, Z visual\n");
+      return 1;
+   }
+
+   glCtx = glXCreateContext(dpy, visInfo, 0, True);
+   if (!glCtx) {
+      fprintf(stderr, "Couldn't create GL context\n");
+      return 1;
+   }
+
+   cmap = alloc_colormap(dpy, root, visInfo->visual);
+   if (!cmap) {
+      fprintf(stderr, "Couln't create colormap\n");
+      return 1;
+   }
+
+   winAttribs.border_pixel = 0;
+   winAttribs.colormap = cmap;
+   winAttribs.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask;
+   winAttribsMask = CWBorderPixel | CWColormap | CWEventMask;
+   win = XCreateWindow(dpy, root, 0, 0, Width, Height, 0,
+                       visInfo->depth, InputOutput,
+                       visInfo->visual,
+                       winAttribsMask, &winAttribs);
+
+   {
+      XSizeHints sizehints;
+      /*
+      sizehints.x = xpos;
+      sizehints.y = ypos;
+      sizehints.width  = width;
+      sizehints.height = height;
+      */
+      sizehints.flags = 0;
+      XSetNormalHints(dpy, win, &sizehints);
+      XSetStandardProperties(dpy, win, name, name,
+                              None, (char **)NULL, 0, &sizehints);
+   }
+
+
+   XMapWindow(dpy, win);
+
+   glXMakeCurrent(dpy, win, glCtx);
+
+   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
+   printf("Press ESC to exit.\n");
+   printf("Press up/down to change window shape.\n");
+
+   event_loop(dpy, win);
+
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/xdemos/vgears.c b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/vgears.c
new file mode 100644
index 000000000..13d030a8b
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/vgears.c
@@ -0,0 +1,282 @@
+/* $ID$ */
+
+/*
+ * Spinning gears demo for Linux SVGA/Mesa interface in 32K color mode.
+ *
+ * Compile with:  gcc vgears.c -I../include -L../lib -lMesaGL -lX11 -lXext
+ *   -lvga -lm -o vgears
+ *
+ * This program is in the public domain.
+ * Brian Paul, January 1996
+ */
+
+
+#include <vga.h>
+#include <math.h>
+#include "GL/svgamesa.h"
+#include "GL/gl.h"
+
+
+int width = 800, height = 600;
+
+SVGAMesaContext vmc;
+
+
+
+/*
+ * Draw a gear wheel.  You'll probably want to call this function when
+ * building a display list since we do a lot of trig here.
+ *
+ * Input:  inner_radius - radius of hole at center
+ *         outer_radius - radius at center of teeth
+ *         width - width of gear
+ *         teeth - number of teeth
+ *         tooth_depth - depth of tooth
+ */
+static void gear( GLfloat inner_radius, GLfloat outer_radius, GLfloat width,
+		  GLint teeth, GLfloat tooth_depth )
+{
+   GLint i;
+   GLfloat r0, r1, r2;
+   GLfloat angle, da;
+   GLfloat u, v, len;
+
+   r0 = inner_radius;
+   r1 = outer_radius - tooth_depth/2.0;
+   r2 = outer_radius + tooth_depth/2.0;
+
+   da = 2.0*M_PI / teeth / 4.0;
+
+   glShadeModel( GL_FLAT );
+
+   glNormal3f( 0.0, 0.0, 1.0 );
+
+   /* draw front face */
+   glBegin( GL_QUAD_STRIP );
+   for (i=0;i<=teeth;i++) {
+      angle = i * 2.0*M_PI / teeth;
+      glVertex3f( r0*cos(angle), r0*sin(angle), width*0.5 );
+      glVertex3f( r1*cos(angle), r1*sin(angle), width*0.5 );
+      glVertex3f( r0*cos(angle), r0*sin(angle), width*0.5 );
+      glVertex3f( r1*cos(angle+3*da), r1*sin(angle+3*da), width*0.5 );
+   }
+   glEnd();
+
+   /* draw front sides of teeth */
+   glBegin( GL_QUADS );
+   da = 2.0*M_PI / teeth / 4.0;
+   for (i=0;i<teeth;i++) {
+      angle = i * 2.0*M_PI / teeth;
+
+      glVertex3f( r1*cos(angle),      r1*sin(angle),      width*0.5 );
+      glVertex3f( r2*cos(angle+da),   r2*sin(angle+da),   width*0.5 );
+      glVertex3f( r2*cos(angle+2*da), r2*sin(angle+2*da), width*0.5 );
+      glVertex3f( r1*cos(angle+3*da), r1*sin(angle+3*da), width*0.5 );
+   }
+   glEnd();
+
+
+   glNormal3f( 0.0, 0.0, -1.0 );
+
+   /* draw back face */
+   glBegin( GL_QUAD_STRIP );
+   for (i=0;i<=teeth;i++) {
+      angle = i * 2.0*M_PI / teeth;
+      glVertex3f( r1*cos(angle), r1*sin(angle), -width*0.5 );
+      glVertex3f( r0*cos(angle), r0*sin(angle), -width*0.5 );
+      glVertex3f( r1*cos(angle+3*da), r1*sin(angle+3*da), -width*0.5 );
+      glVertex3f( r0*cos(angle), r0*sin(angle), -width*0.5 );
+   }
+   glEnd();
+
+   /* draw back sides of teeth */
+   glBegin( GL_QUADS );
+   da = 2.0*M_PI / teeth / 4.0;
+   for (i=0;i<teeth;i++) {
+      angle = i * 2.0*M_PI / teeth;
+
+      glVertex3f( r1*cos(angle+3*da), r1*sin(angle+3*da), -width*0.5 );
+      glVertex3f( r2*cos(angle+2*da), r2*sin(angle+2*da), -width*0.5 );
+      glVertex3f( r2*cos(angle+da),   r2*sin(angle+da),   -width*0.5 );
+      glVertex3f( r1*cos(angle),      r1*sin(angle),      -width*0.5 );
+   }
+   glEnd();
+
+
+   /* draw outward faces of teeth */
+   glBegin( GL_QUAD_STRIP );
+   for (i=0;i<teeth;i++) {
+      angle = i * 2.0*M_PI / teeth;
+
+      glVertex3f( r1*cos(angle),      r1*sin(angle),       width*0.5 );
+      glVertex3f( r1*cos(angle),      r1*sin(angle),      -width*0.5 );
+      u = r2*cos(angle+da) - r1*cos(angle);
+      v = r2*sin(angle+da) - r1*sin(angle);
+      len = sqrt( u*u + v*v );
+      u /= len;
+      v /= len;
+      glNormal3f( v, -u, 0.0 );
+      glVertex3f( r2*cos(angle+da),   r2*sin(angle+da),    width*0.5 );
+      glVertex3f( r2*cos(angle+da),   r2*sin(angle+da),   -width*0.5 );
+      glNormal3f( cos(angle), sin(angle), 0.0 );
+      glVertex3f( r2*cos(angle+2*da), r2*sin(angle+2*da),  width*0.5 );
+      glVertex3f( r2*cos(angle+2*da), r2*sin(angle+2*da), -width*0.5 );
+      u = r1*cos(angle+3*da) - r2*cos(angle+2*da);
+      v = r1*sin(angle+3*da) - r2*sin(angle+2*da);
+      glNormal3f( v, -u, 0.0 );
+      glVertex3f( r1*cos(angle+3*da), r1*sin(angle+3*da),  width*0.5 );
+      glVertex3f( r1*cos(angle+3*da), r1*sin(angle+3*da), -width*0.5 );
+      glNormal3f( cos(angle), sin(angle), 0.0 );
+   }
+
+   glVertex3f( r1*cos(0), r1*sin(0), width*0.5 );
+   glVertex3f( r1*cos(0), r1*sin(0), -width*0.5 );
+
+   glEnd();
+
+
+   glShadeModel( GL_SMOOTH );
+
+   /* draw inside radius cylinder */
+   glBegin( GL_QUAD_STRIP );
+   for (i=0;i<=teeth;i++) {
+      angle = i * 2.0*M_PI / teeth;
+      glNormal3f( -cos(angle), -sin(angle), 0.0 );
+      glVertex3f( r0*cos(angle), r0*sin(angle), -width*0.5 );
+      glVertex3f( r0*cos(angle), r0*sin(angle), width*0.5 );
+   }
+   glEnd();
+      
+}
+
+
+static GLfloat view_rotx=20.0, view_roty=30.0, view_rotz=0.0;
+static GLint gear1, gear2, gear3;
+static GLfloat angle = 0.0;
+
+static GLuint limit;
+static GLuint count = 1;
+
+
+static void draw( void )
+{
+   angle += 2.0;
+
+   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+   glPushMatrix();
+   glRotatef( view_rotx, 1.0, 0.0, 0.0 );
+   glRotatef( view_roty, 0.0, 1.0, 0.0 );
+   glRotatef( view_rotz, 0.0, 0.0, 1.0 );
+
+   glPushMatrix();
+   glTranslatef( -3.0, -2.0, 0.0 );
+   glRotatef( angle, 0.0, 0.0, 1.0 );
+   glCallList(gear1);
+   glPopMatrix();
+
+   glPushMatrix();
+   glTranslatef( 3.1, -2.0, 0.0 );
+   glRotatef( -2.0*angle-9.0, 0.0, 0.0, 1.0 );
+   glCallList(gear2);
+   glPopMatrix();
+
+   glPushMatrix();
+   glTranslatef( -3.1, 4.2, 0.0 );
+   glRotatef( -2.0*angle-25.0, 0.0, 0.0, 1.0 );
+   glCallList(gear3);
+   glPopMatrix();
+
+   glPopMatrix();
+
+   SVGAMesaSwapBuffers();
+}
+
+
+static void init( void )
+{
+   static GLfloat pos[4] = {5.0, 5.0, 10.0, 1.0 };
+   static GLfloat red[4] = {0.8, 0.1, 0.0, 1.0 };
+   static GLfloat green[4] = {0.0, 0.8, 0.2, 1.0 };
+   static GLfloat blue[4] = {0.2, 0.2, 1.0, 1.0 };
+
+   GLfloat w = (float) width / (float) height;
+   GLfloat h = 1.0;
+
+   glLightfv( GL_LIGHT0, GL_POSITION, pos );
+   glEnable( GL_CULL_FACE );
+   glEnable( GL_LIGHTING );
+   glEnable( GL_LIGHT0 );
+   glEnable( GL_DEPTH_TEST );
+
+   /* make the gears */
+   gear1 = glGenLists(1);
+   glNewList(gear1, GL_COMPILE);
+   glMaterialfv( GL_FRONT, GL_AMBIENT_AND_DIFFUSE, red );
+   gear( 1.0, 4.0, 1.0, 20, 0.7 );
+   glEndList();
+
+   gear2 = glGenLists(1);
+   glNewList(gear2, GL_COMPILE);
+   glMaterialfv( GL_FRONT, GL_AMBIENT_AND_DIFFUSE, green );
+   gear( 0.5, 2.0, 2.0, 10, 0.7 );
+   glEndList();
+
+   gear3 = glGenLists(1);
+   glNewList(gear3, GL_COMPILE);
+   glMaterialfv( GL_FRONT, GL_AMBIENT_AND_DIFFUSE, blue );
+   gear( 1.3, 2.0, 0.5, 10, 0.7 );
+   glEndList();
+
+   glEnable( GL_NORMALIZE );
+
+
+   glViewport( 0, 0, width, height );
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   if (width>height) {
+      GLfloat w = (GLfloat) width / (GLfloat) height;
+      glFrustum( -w, w, -1.0, 1.0, 5.0, 60.0 );
+   }
+   else {
+      GLfloat h = (GLfloat) height / (GLfloat) width;
+      glFrustum( -1.0, 1.0, -h, h, 5.0, 60.0 );
+   }
+
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glTranslatef( 0.0, 0.0, -40.0 );
+}
+
+void setup( void )
+{
+   vga_init();
+
+   vga_setmode(G800x600x32K);
+/*   gl_setcontextvga(G800x600x32K);*/
+
+   vmc = SVGAMesaCreateContext(GL_TRUE);
+   SVGAMesaMakeCurrent( vmc );
+}
+
+
+void end( void )
+{
+   SVGAMesaDestroyContext( vmc );
+
+   vga_setmode( TEXT );
+}
+
+
+int main( int argc, char *argv[] )
+{
+   int i;
+
+   setup();
+   init();
+   for (i=0;i<4;i++) {
+      draw(); /*SVGAMesaSwapBuffers();*/
+   }
+   end();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/xdemos/vindex.c b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/vindex.c
new file mode 100644
index 000000000..991fce2a5
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/vindex.c
@@ -0,0 +1,65 @@
+
+/*
+ * Test Linux 8-bit SVGA/Mesa color index mode
+ *
+ * Compile with:  gcc vindex.c -I../include -L../lib -lMesaGL -lX11 -lXext
+ *   -lvga -lm -o vindex
+ *
+ * This program is in the public domain.
+ * Brian Paul, January 1996
+ */
+
+
+
+#include <vga.h>
+#include "GL/svgamesa.h"
+#include "GL/gl.h"
+
+
+
+static GLint width = 640, height = 480;
+
+
+
+static void display( void )
+{
+   int i, j;
+   int w, h;
+
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glOrtho( 0.0, (GLfloat) width, 0.0, (GLfloat) height, -1.0, 1.0 );
+
+   glClear( GL_COLOR_BUFFER_BIT );
+
+   w = width / 16;
+   h = height / 16;
+   for (i=0;i<16;i++) {
+      for (j=0;j<16;j++) {
+         glIndexi( i*16+j );
+         glRecti( i*w, j*h, i*w+w, j*h+h );
+      }
+   }
+}
+
+
+
+int main( int argc, char *argv[] )
+{
+   SVGAMesaContext vmc;
+   int i;
+
+   vga_init();
+   vga_setmode( G640x480x256 );
+
+   vmc = SVGAMesaCreateContext( GL_FALSE );
+   SVGAMesaMakeCurrent( vmc );
+
+   display();
+   sleep(3);
+
+   SVGAMesaDestroyContext( vmc );
+   vga_setmode( TEXT );
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/xdemos/vtest.c b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/vtest.c
new file mode 100644
index 000000000..e322fbc5c
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/vtest.c
@@ -0,0 +1,82 @@
+
+/*
+ * Test SVGA/Mesa interface in 32K color mode.
+ *
+ * Compile with:  gcc vtest.c -I../include -L../lib -lMesaGL -lX11 -lXext
+ *   -lvga -lm -o vtest
+ *
+ * This program is in the public domain.
+ * Brian Paul, January 1996
+ */
+
+
+
+#include <vga.h>
+#include "GL/svgamesa.h"
+#include "GL/gl.h"
+
+
+SVGAMesaContext vmc;
+
+
+
+void setup( void )
+{
+   vga_init();
+
+   vga_setmode(G800x600x32K);
+/*   gl_setcontextvga(G800x600x32K);*/
+
+   vmc = SVGAMesaCreateContext( GL_FALSE );  /* single buffered */
+   SVGAMesaMakeCurrent( vmc );
+}
+
+
+void test( void )
+{
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glOrtho( -1.0, 1.0, -1.0, 1.0, -1.0, 1.0 );
+   glMatrixMode(GL_MODELVIEW);
+
+   glClear( GL_COLOR_BUFFER_BIT );
+
+   glBegin( GL_LINES );
+   glColor3f( 1.0, 0.0, 0.0 );
+   glVertex2f( -0.5, 0.5 );
+   glVertex2f(  0.5, 0.5 );
+   glColor3f( 0.0, 1.0, 0.0 );
+   glVertex2f( -0.5, 0.25 );
+   glVertex2f(  0.5, 0.25 );
+   glColor3f( 0.0, 0.0, 1.0 );
+   glVertex2f( -0.5, 0.0 );
+   glVertex2f(  0.5, 0.0 );
+   glEnd();
+
+   glBegin( GL_POLYGON );
+   glColor3f( 1.0, 0.0, 0.0 );
+   glVertex2f( 0.0, 0.7 );
+   glColor3f( 0.0, 1.0, 0.0 );
+   glVertex2f( -0.5, -0.5 );
+   glColor3f( 0.0, 0.0, 1.0 );
+   glVertex2f(  0.5, -0.5 );
+   glEnd();
+
+   sleep(3);
+}
+
+void end( void )
+{
+   SVGAMesaDestroyContext( vmc );
+
+   vga_setmode( TEXT );
+}
+
+
+int main( int argc, char *argv[] )
+{
+   setup();
+   test();
+   end();
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/xdemos/wincopy.c b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/wincopy.c
new file mode 100644
index 000000000..3ec67dc67
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/wincopy.c
@@ -0,0 +1,329 @@
+/*
+ * Mesa 3-D graphics library
+ * Version:  6.1
+ * 
+ * Copyright (C) 1999-2004  Brian Paul   All Rights Reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+/*
+ * This program opens two GLX windows, renders into one and uses
+ * glCopyPixels to copy the image from the first window into the
+ * second by means of the GLX 1.3 function glxMakeContextCurrent().
+ * This function works just like the glXMakeCurrentReadSGI() function
+ * in the GLX_SGI_make_current_read extension.
+ */
+
+
+#define GLX_GLXEXT_PROTOTYPES
+#include <GL/gl.h>
+#include <GL/glx.h>
+#include <X11/keysym.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+
+#ifdef GLX_VERSION_1_3
+
+
+static Display *Dpy;
+static int ScrNum;
+static GLXContext Context;
+static Window Win[2];  /* Win[0] = source,  Win[1] = dest */
+static GLint Width[2], Height[2];
+
+static GLfloat Angle = 0.0;
+
+static GLboolean DrawFront = GL_FALSE;
+
+PFNGLXMAKECURRENTREADSGIPROC make_context_current = NULL;
+
+static Window
+CreateWindow(Display *dpy, int scrnum, XVisualInfo *visinfo,
+             int xpos, int ypos, int width, int height,
+             const char *name)
+{
+   Window win;
+   XSetWindowAttributes attr;
+   unsigned long mask;
+   Window root;
+
+   root = RootWindow(dpy, scrnum);
+
+   /* window attributes */
+   attr.background_pixel = 0;
+   attr.border_pixel = 0;
+   attr.colormap = XCreateColormap(dpy, root, visinfo->visual, AllocNone);
+   attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask;
+   mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
+
+   win = XCreateWindow(dpy, root, xpos, ypos, width, height,
+		        0, visinfo->depth, InputOutput,
+		        visinfo->visual, mask, &attr);
+   if (win) {
+      XSizeHints sizehints;
+      sizehints.x = xpos;
+      sizehints.y = ypos;
+      sizehints.width  = width;
+      sizehints.height = height;
+      sizehints.flags = USSize | USPosition;
+      XSetNormalHints(dpy, win, &sizehints);
+      XSetStandardProperties(dpy, win, name, name,
+                              None, (char **)NULL, 0, &sizehints);
+
+      XMapWindow(dpy, win);
+   }
+   return win;
+}
+
+
+static void
+Redraw(void)
+{
+   /* make the first window the current one */
+   if (! (*make_context_current)(Dpy, Win[0], Win[0], Context)) {
+      printf("glXMakeContextCurrent failed in Redraw()\n");
+      return;
+   }
+
+   Angle += 1.0;
+
+   if (DrawFront) {
+      glDrawBuffer(GL_FRONT);
+      glReadBuffer(GL_FRONT);
+   }
+   else {
+      glDrawBuffer(GL_BACK);
+      glReadBuffer(GL_BACK);
+   }
+
+   glViewport(0, 0, Width[0], Height[0]);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glOrtho(-1.0, 1.0, -1.0, 1.0, -1.0, 1.0);
+   glMatrixMode(GL_MODELVIEW);
+
+   glShadeModel(GL_FLAT);
+   glClearColor(0.5, 0.5, 0.5, 1.0);
+   glClear(GL_COLOR_BUFFER_BIT);
+
+   /* draw blue quad */
+   glColor3f(0.3, 0.3, 1.0);
+   glPushMatrix();
+   glRotatef(Angle, 0, 0, 1);
+   glBegin(GL_POLYGON);
+   glVertex2f(-0.5, -0.25);
+   glVertex2f( 0.5, -0.25);
+   glVertex2f( 0.5, 0.25);
+   glVertex2f(-0.5, 0.25);
+   glEnd();
+   glPopMatrix();
+
+   if (DrawFront)
+      glFinish();
+   else
+      glXSwapBuffers(Dpy, Win[0]);
+
+
+   /* copy image from window 0 to window 1 */
+   if (!(*make_context_current)(Dpy, Win[1], Win[0], Context)) {
+      printf("glXMakeContextCurrent failed in Redraw()\n");
+      return;
+   }
+
+   /* raster pos setup */
+   glViewport(0, 0, Width[1], Height[1]);
+   glPushMatrix();
+   glLoadIdentity();
+   glMatrixMode(GL_PROJECTION);
+   glPushMatrix();
+   glLoadIdentity();
+   glOrtho(-1, 1, -1, 1, -1, 1);
+   glRasterPos2f(-1, -1);
+
+   /* copy the image between windows */
+   glCopyPixels(0, 0, Width[0], Height[0], GL_COLOR);
+
+   glPopMatrix();
+   glMatrixMode(GL_MODELVIEW);
+   glPopMatrix();
+
+   if (DrawFront)
+      glFinish();
+   else
+      glXSwapBuffers(Dpy, Win[1]);
+}
+
+
+
+static void
+Resize(Window win, unsigned int width, unsigned int height)
+{
+   int i;
+   if (win == Win[0]) {
+      i = 0;
+   }
+   else {
+      i = 1;
+   }
+   Width[i] = width;
+   Height[i] = height;
+   if (!glXMakeCurrent(Dpy, Win[i], Context)) {
+      printf("glXMakeCurrent failed in Resize()\n");
+      return;
+   }
+}
+
+
+
+static void
+EventLoop(void)
+{
+   XEvent event;
+   while (1) {
+      if (XPending(Dpy) > 0) {
+         XNextEvent( Dpy, &event );
+         switch (event.type) {
+            case Expose:
+               Redraw();
+               break;
+            case ConfigureNotify:
+               Resize(event.xany.window, event.xconfigure.width, event.xconfigure.height);
+               break;
+            case KeyPress:
+               {
+                  char buf[100];
+                  KeySym keySym;
+                  XComposeStatus stat;
+                  XLookupString(&event.xkey, buf, sizeof(buf), &keySym, &stat);
+                  if (keySym == XK_Escape) {
+                        /* exit */
+                        return;
+                  }
+                  else if (buf[0] == 'f') {
+                     DrawFront = !DrawFront;
+                     printf("Drawing to %s buffer\n",
+                            DrawFront ? "GL_FRONT" : "GL_BACK");
+                  }
+               }
+               break;
+            default:
+               /*no-op*/ ;
+         }
+      }
+      else {
+         /* animate */
+         Redraw();
+      }
+   }
+}
+
+
+static void
+Init(void)
+{
+   XVisualInfo *visinfo;
+   int attrib[] = { GLX_RGBA,
+		    GLX_RED_SIZE, 1,
+		    GLX_GREEN_SIZE, 1,
+		    GLX_BLUE_SIZE, 1,
+		    GLX_DOUBLEBUFFER,
+		    None };
+   int major, minor;
+
+   Dpy = XOpenDisplay(NULL);
+   if (!Dpy) {
+      printf("Couldn't open default display!\n");
+      exit(1);
+   }
+
+   ScrNum = DefaultScreen(Dpy);
+
+   glXQueryVersion(Dpy, &major, &minor);
+
+   if (major * 100 + minor >= 103) {
+      make_context_current = (PFNGLXMAKECURRENTREADSGIPROC)
+	  glXGetProcAddressARB( (GLubyte *) "glXMakeContextCurrent" );
+   }
+   else {
+      const char * const glxExtensions = glXQueryExtensionsString(Dpy, ScrNum);
+      const char * ext = strstr( glxExtensions, "GLX_SGI_make_current_read" );
+      const size_t len = strlen( "GLX_SGI_make_current_read" );
+      
+      if ( (ext != NULL) 
+	   && ((ext[len] == ' ') || (ext[len] == '\0')) ) {
+	 make_context_current = (PFNGLXMAKECURRENTREADSGIPROC) 
+	     glXGetProcAddressARB( (GLubyte *) "glXMakeCurrentReadSGI" );
+      }
+   }
+
+   if (make_context_current == NULL) {
+      fprintf(stderr, "Sorry, this program requires either GLX 1.3 "
+	      "or GLX_SGI_make_current_read.\n");
+      exit(1);
+   }
+
+   visinfo = glXChooseVisual(Dpy, ScrNum, attrib);
+   if (!visinfo) {
+      printf("Unable to find RGB, double-buffered visual\n");
+      exit(1);
+   }
+
+   Context = glXCreateContext(Dpy, visinfo, NULL, True);
+   if (!Context) {
+      printf("Couldn't create GLX context\n");
+      exit(1);
+   }
+
+
+   Win[0] = CreateWindow(Dpy, ScrNum, visinfo,
+                         0, 0, 300, 300, "source window");
+
+   Win[1] = CreateWindow(Dpy, ScrNum, visinfo,
+                         350, 0, 300, 300, "dest window");
+
+   printf("Press Esc to exit\n");
+   printf("Press 'f' to toggle front/back buffer drawing\n");
+}
+
+
+int
+main(int argc, char *argv[])
+{
+   Init();
+   EventLoop();
+   return 0;
+}
+
+
+#else
+
+
+int
+main(int argc, char *argv[])
+{
+   printf("This program requires GLX 1.3!\n");
+   return 0;
+}
+
+
+#endif /* GLX_VERSION_1_3 */
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/xdemos/xdemo.c b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/xdemo.c
new file mode 100644
index 000000000..52039cb64
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/xdemo.c
@@ -0,0 +1,334 @@
+
+/*
+ * Very simple demo of how to use the Mesa/X11 interface instead of the
+ * glx, tk or aux toolkits.  I highly recommend using the GLX interface
+ * instead of the X/Mesa interface, however.
+ *
+ * This program is in the public domain.
+ *
+ * Brian Paul
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include "GL/xmesa.h"
+#include "GL/gl.h"
+
+
+
+static GLint Black, Red, Green, Blue;
+
+
+
+static void make_window( char *title, int color_flag )
+{
+   int x = 10, y = 10, width = 400, height = 300;
+   Display *dpy;
+   int scr;
+   Window root, win;
+   Colormap cmap;
+   XColor xcolor;
+   int attr_flags;
+   XVisualInfo *visinfo;
+   XSetWindowAttributes attr;
+   XTextProperty tp;
+   XSizeHints sh;
+   XEvent e;
+   XMesaContext context;
+   XMesaVisual visual;
+   XMesaBuffer buffer;
+
+
+   /*
+    * Do the usual X things to make a window.
+    */
+
+   dpy = XOpenDisplay(NULL);
+   if (!dpy) {
+      printf("Couldn't open default display!\n");
+      exit(1);
+   }
+
+   scr = DefaultScreen(dpy);
+   root = RootWindow(dpy, scr);
+
+   /* alloc visinfo struct */
+   visinfo = (XVisualInfo *) malloc( sizeof(XVisualInfo) );
+
+   /* Get a visual and colormap */
+   if (color_flag) {
+      /* Open TrueColor window */
+
+/*
+      if (!XMatchVisualInfo( dpy, scr, 24, TrueColor, visinfo )) {
+	 printf("Couldn't get 24-bit TrueColor visual!\n");
+	 exit(1);
+      }
+*/
+      if (!XMatchVisualInfo( dpy, scr, 8, PseudoColor, visinfo )) {
+	 printf("Couldn't get 8-bit PseudoColor visual!\n");
+	 exit(1);
+      }
+
+      cmap = XCreateColormap( dpy, root, visinfo->visual, AllocNone );
+      Black = Red = Green = Blue = 0;
+   }
+   else {
+      /* Open color index window */
+
+      if (!XMatchVisualInfo( dpy, scr, 8, PseudoColor, visinfo )) {
+	 printf("Couldn't get 8-bit PseudoColor visual\n");
+	 exit(1);
+      }
+
+      cmap = XCreateColormap( dpy, root, visinfo->visual, AllocNone );
+
+      /* Allocate colors */
+      xcolor.red   = 0x0;
+      xcolor.green = 0x0;
+      xcolor.blue  = 0x0;
+      xcolor.flags = DoRed | DoGreen | DoBlue;
+      if (!XAllocColor( dpy, cmap, &xcolor )) {
+	 printf("Couldn't allocate black!\n");
+	 exit(1);
+      }
+      Black = xcolor.pixel;
+
+      xcolor.red   = 0xffff;
+      xcolor.green = 0x0;
+      xcolor.blue  = 0x0;
+      xcolor.flags = DoRed | DoGreen | DoBlue;
+      if (!XAllocColor( dpy, cmap, &xcolor )) {
+	 printf("Couldn't allocate red!\n");
+	 exit(1);
+      }
+      Red = xcolor.pixel;
+
+      xcolor.red   = 0x0;
+      xcolor.green = 0xffff;
+      xcolor.blue  = 0x0;
+      xcolor.flags = DoRed | DoGreen | DoBlue;
+      if (!XAllocColor( dpy, cmap, &xcolor )) {
+	 printf("Couldn't allocate green!\n");
+	 exit(1);
+      }
+      Green = xcolor.pixel;
+
+      xcolor.red   = 0x0;
+      xcolor.green = 0x0;
+      xcolor.blue  = 0xffff;
+      xcolor.flags = DoRed | DoGreen | DoBlue;
+      if (!XAllocColor( dpy, cmap, &xcolor )) {
+	 printf("Couldn't allocate blue!\n");
+	 exit(1);
+      }
+      Blue = xcolor.pixel;
+   }
+
+   /* set window attributes */
+   attr.colormap = cmap;
+   attr.event_mask = ExposureMask | StructureNotifyMask;
+   attr.border_pixel = BlackPixel( dpy, scr );
+   attr.background_pixel = BlackPixel( dpy, scr );
+   attr_flags = CWColormap | CWEventMask | CWBorderPixel | CWBackPixel;
+
+   /* Create the window */
+   win = XCreateWindow( dpy, root, x,y, width, height, 0,
+			    visinfo->depth, InputOutput,
+			    visinfo->visual,
+			    attr_flags, &attr);
+   if (!win) {
+      printf("Couldn't open window!\n");
+      exit(1);
+   }
+
+   XStringListToTextProperty(&title, 1, &tp);
+   sh.flags = USPosition | USSize;
+   XSetWMProperties(dpy, win, &tp, &tp, 0, 0, &sh, 0, 0);
+   XMapWindow(dpy, win);
+   while (1) {
+      XNextEvent( dpy, &e );
+      if (e.type == MapNotify && e.xmap.window == win) {
+	 break;
+      }
+   }
+
+
+   /*
+    * Now do the special Mesa/Xlib stuff!
+    */
+
+   visual = XMesaCreateVisual( dpy, visinfo,
+                              (GLboolean) color_flag,
+                               GL_FALSE,  /* alpha_flag */
+                               GL_FALSE,  /* db_flag */
+                               GL_FALSE,  /* stereo flag */
+                               GL_FALSE,  /* ximage_flag */
+                               0,         /* depth size */
+                               0,         /* stencil size */
+                               0,0,0,0,   /* accum_size */
+                               0,         /* num samples */
+                               0,         /* level */
+                               0          /* caveat */
+                              );
+   if (!visual) {
+      printf("Couldn't create Mesa/X visual!\n");
+      exit(1);
+   }
+
+   /* Create a Mesa rendering context */
+   context = XMesaCreateContext( visual,
+                                 NULL       /* share_list */
+                               );
+   if (!context) {
+      printf("Couldn't create Mesa/X context!\n");
+      exit(1);
+   }
+
+   buffer = XMesaCreateWindowBuffer( visual, win );
+   if (!buffer) {
+      printf("Couldn't create Mesa/X buffer!\n");
+      exit(1);
+   }
+
+
+   XMesaMakeCurrent( context, buffer );
+
+   /* Ready to render! */
+}
+
+
+
+static void draw_cube( void )
+{
+   /* X faces */
+   glIndexi( Red );
+   glColor3f( 1.0, 0.0, 0.0 );
+   glBegin( GL_POLYGON );
+   glVertex3f( 1.0, 1.0, 1.0 );
+   glVertex3f( 1.0, -1.0, 1.0 );
+   glVertex3f( 1.0, -1.0, -1.0 );
+   glVertex3f( 1.0, 1.0, -1.0 );
+   glEnd();
+
+   glBegin( GL_POLYGON );
+   glVertex3f( -1.0, 1.0, 1.0 );
+   glVertex3f( -1.0, 1.0, -1.0 );
+   glVertex3f( -1.0, -1.0, -1.0 );
+   glVertex3f( -1.0, -1.0, 1.0 );
+   glEnd();
+
+   /* Y faces */
+   glIndexi( Green );
+   glColor3f( 0.0, 1.0, 0.0 );
+   glBegin( GL_POLYGON );
+   glVertex3f(  1.0, 1.0,  1.0 );
+   glVertex3f(  1.0, 1.0, -1.0 );
+   glVertex3f( -1.0, 1.0, -1.0 );
+   glVertex3f( -1.0, 1.0,  1.0 );
+   glEnd();
+
+   glBegin( GL_POLYGON );
+   glVertex3f(  1.0, -1.0,  1.0 );
+   glVertex3f( -1.0, -1.0,  1.0 );
+   glVertex3f( -1.0, -1.0, -1.0 );
+   glVertex3f(  1.0, -1.0, -1.0 );
+   glEnd();
+
+   /* Z faces */
+   glIndexi( Blue );
+   glColor3f( 0.0, 0.0, 1.0 );
+   glBegin( GL_POLYGON );
+   glVertex3f(  1.0,  1.0,  1.0 );
+   glVertex3f( -1.0,  1.0,  1.0 );
+   glVertex3f( -1.0, -1.0,  1.0 );
+   glVertex3f(  1.0, -1.0,  1.0 );
+   glEnd();
+
+   glBegin( GL_POLYGON );
+   glVertex3f(  1.0, 1.0, -1.0 );
+   glVertex3f(  1.0,-1.0, -1.0 );
+   glVertex3f( -1.0,-1.0, -1.0 );
+   glVertex3f( -1.0, 1.0, -1.0 );
+   glEnd();
+}
+
+
+
+
+static void display_loop( void )
+{
+   GLfloat xrot, yrot, zrot;
+
+   xrot = yrot = zrot = 0.0;
+
+   glClearColor( 0.0, 0.0, 0.0, 0.0 );
+   glClearIndex( Black );
+
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glFrustum( -1.0, 1.0,  -1.0, 1.0,  1.0, 10.0 );
+   glTranslatef( 0.0, 0.0, -5.0 );
+
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+
+   glCullFace( GL_BACK );
+   glEnable( GL_CULL_FACE );
+
+   glShadeModel( GL_FLAT );
+
+   while (1) {
+      glClear( GL_COLOR_BUFFER_BIT );
+      glPushMatrix();
+      glRotatef( xrot, 1.0, 0.0, 0.0 );
+      glRotatef( yrot, 0.0, 1.0, 0.0 );
+      glRotatef( zrot, 0.0, 0.0, 1.0 );
+
+      draw_cube();
+
+      glPopMatrix();
+      glFinish();
+
+      xrot += 10.0;
+      yrot += 7.0;
+      zrot -= 3.0;
+   }
+
+}
+
+
+
+
+int main( int argc, char *argv[] )
+{
+   int mode = 0;
+
+   if (argc >= 2)
+   {
+        if (strcmp(argv[1],"-ci")==0)
+           mode = 0;
+        else if (strcmp(argv[1],"-rgb")==0)
+           mode = 1;
+        else
+        {
+           printf("Bad flag: %s\n", argv[1]);
+           printf("Specify -ci for 8-bit color index or -rgb for RGB mode\n");
+           exit(1);
+        }
+   }
+   else
+   {
+        printf("Specify -ci for 8-bit color index or -rgb for RGB mode\n");
+        printf("Defaulting to  8-bit color index\n");
+   }
+
+   make_window( argv[0], mode );
+
+   display_loop();
+   return 0;
+}
+
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/xdemos/xfont.c b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/xfont.c
new file mode 100644
index 000000000..2585aa644
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/xfont.c
@@ -0,0 +1,206 @@
+
+/*
+ * Mesa 3-D graphics library
+ * 
+ * Copyright (C) 1999  Brian Paul   All Rights Reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+/*
+ * Example of using glXUseXFont().
+ * 5 November 1999
+ * Brian Paul
+ */
+
+
+#include <GL/gl.h>
+#include <GL/glx.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+
+static const char *ProgramName = "xfont";
+
+static const char *FontName = "fixed";
+
+static GLuint FontBase = 0;
+
+
+
+static void redraw( Display *dpy, Window w )
+{
+   static const char *text = "This is glXUseXFont()";
+
+   glClear( GL_COLOR_BUFFER_BIT );
+
+   /* triangle */
+   glColor3f( 0.2, 0.2, 1.0 );
+   glBegin(GL_TRIANGLES);
+   glVertex2f( 0, 0.8 );
+   glVertex2f( -0.8, -0.7 );
+   glVertex2f( 0.8, -0.7 );
+   glEnd();
+
+   /* text */
+   glColor3f( 1, 1, 1 );
+   glRasterPos2f(-0.8, 0); 
+   glListBase(FontBase);
+   glCallLists(strlen(text), GL_UNSIGNED_BYTE, (GLubyte *) text);
+
+   glXSwapBuffers( dpy, w );
+}
+
+
+
+static void resize( unsigned int width, unsigned int height )
+{
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glOrtho( -1.0, 1.0, -1.0, 1.0, -1.0, 1.0 );
+}
+
+
+
+static void setup_font( Display *dpy )
+{
+    XFontStruct *fontInfo;
+    Font id;
+    unsigned int first, last;
+
+    fontInfo = XLoadQueryFont(dpy, FontName);
+    if (!fontInfo) {
+        printf("Error: font %s not found\n", FontName);
+	exit(0);
+    }
+
+    id = fontInfo->fid;
+    first = fontInfo->min_char_or_byte2;
+    last = fontInfo->max_char_or_byte2;
+
+    FontBase = glGenLists((GLuint) last + 1);
+    if (!FontBase) {
+        printf("Error: unable to allocate display lists\n");
+	exit(0);
+    }
+    glXUseXFont(id, first, last - first + 1, FontBase + first);
+}
+
+static Window make_rgb_db_window( Display *dpy, int xpos, int ypos,
+				  unsigned int width, unsigned int height )
+{
+   int attrib[] = { GLX_RGBA,
+		    GLX_RED_SIZE, 1,
+		    GLX_GREEN_SIZE, 1,
+		    GLX_BLUE_SIZE, 1,
+		    GLX_DOUBLEBUFFER,
+		    None };
+   int scrnum;
+   XSetWindowAttributes attr;
+   unsigned long mask;
+   Window root;
+   Window win;
+   GLXContext ctx;
+   XVisualInfo *visinfo;
+
+   scrnum = DefaultScreen( dpy );
+   root = RootWindow( dpy, scrnum );
+
+   visinfo = glXChooseVisual( dpy, scrnum, attrib );
+   if (!visinfo) {
+      printf("Error: couldn't get an RGB, Double-buffered visual\n");
+      exit(1);
+   }
+
+   /* window attributes */
+   attr.background_pixel = 0;
+   attr.border_pixel = 0;
+   attr.colormap = XCreateColormap( dpy, root, visinfo->visual, AllocNone);
+   attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask;
+   mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
+
+   win = XCreateWindow( dpy, root, 0, 0, width, height,
+		        0, visinfo->depth, InputOutput,
+		        visinfo->visual, mask, &attr );
+
+   {
+      XSizeHints sizehints;
+      sizehints.x = xpos;
+      sizehints.y = ypos;
+      sizehints.width  = width;
+      sizehints.height = height;
+      sizehints.flags = USSize | USPosition;
+      XSetNormalHints(dpy, win, &sizehints);
+      XSetStandardProperties(dpy, win, ProgramName, ProgramName,
+                              None, (char **)NULL, 0, &sizehints);
+   }
+
+
+   ctx = glXCreateContext( dpy, visinfo, NULL, True );
+
+   glXMakeCurrent( dpy, win, ctx );
+
+   return win;
+}
+
+
+static void event_loop( Display *dpy )
+{
+   XEvent event;
+
+   while (1) {
+      XNextEvent( dpy, &event );
+
+      switch (event.type) {
+	 case Expose:
+	    redraw( dpy, event.xany.window );
+	    break;
+	 case ConfigureNotify:
+	    resize( event.xconfigure.width, event.xconfigure.height );
+	    break;
+         case KeyPress:
+            exit(0);
+         default:
+            ;  /* no-op */
+      }
+   }
+}
+
+
+
+int main( int argc, char *argv[] )
+{
+   Display *dpy;
+   Window win;
+
+   dpy = XOpenDisplay(NULL);
+
+   win = make_rgb_db_window( dpy, 0, 0, 300, 300 );
+   setup_font( dpy );
+
+   glShadeModel( GL_FLAT );
+   glClearColor( 0.5, 0.5, 1.0, 1.0 );
+
+   XMapWindow( dpy, win );
+
+   event_loop( dpy );
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/xdemos/xrotfontdemo.c b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/xrotfontdemo.c
new file mode 100644
index 000000000..58cd0286c
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/xrotfontdemo.c
@@ -0,0 +1,220 @@
+/*
+ * Mesa 3-D graphics library
+ * 
+ * Copyright (C) 1999  Brian Paul   All Rights Reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+/*
+ * Example of using glXUseRotatedXFontMESA().
+ * 24 Jan 2004
+ * Brian Paul
+ */
+
+
+#include <GL/gl.h>
+#include <GL/glx.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "xuserotfont.h"
+
+
+static const char *ProgramName = "xfont";
+
+static const char *FontName = "fixed";
+
+static GLuint FontBase[4];
+
+
+static void redraw( Display *dpy, Window w )
+{
+   static const char *text = "  Rotated bitmap text";
+   int i;
+
+   glClear( GL_COLOR_BUFFER_BIT );
+
+   /* triangle */
+   glColor3f( 0.2, 0.2, 1.0 );
+   glBegin(GL_TRIANGLES);
+   glVertex2f( -0.8,  0.7 );
+   glVertex2f( -0.8, -0.7 );
+   glVertex2f(  0.8,  0.0 );
+   glEnd();
+
+   /* marker */
+   glColor3f( 0, 1, 0 );
+   glBegin(GL_POINTS);
+   glVertex2f(0, 0);
+   glEnd();
+
+   /* text */
+   glColor3f( 1, 1, 1 );
+
+   for (i = 0; i < 4; i++) {
+      glRasterPos2f(0, 0); 
+      glListBase(FontBase[i]);
+      glCallLists(strlen(text), GL_UNSIGNED_BYTE, (GLubyte *) text);
+   }
+
+   glXSwapBuffers( dpy, w );
+}
+
+
+
+static void resize( unsigned int width, unsigned int height )
+{
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glOrtho( -1.0, 1.0, -1.0, 1.0, -1.0, 1.0 );
+}
+
+
+
+static void setup_font( Display *dpy )
+{
+    XFontStruct *fontInfo;
+    Font id;
+    unsigned int first, last;
+    int i;
+
+    fontInfo = XLoadQueryFont(dpy, FontName);
+    if (!fontInfo) {
+        printf("Error: font %s not found\n", FontName);
+	exit(0);
+    }
+
+    id = fontInfo->fid;
+    first = fontInfo->min_char_or_byte2;
+    last = fontInfo->max_char_or_byte2;
+
+    for (i = 0; i < 4; i++) {
+       FontBase[i] = glGenLists((GLuint) last + 1);
+       if (!FontBase[i]) {
+          printf("Error: unable to allocate display lists\n");
+          exit(0);
+       }
+       glXUseRotatedXFontMESA(id, first, last - first + 1, FontBase[i] + first,
+                              i * 90);
+    }
+}
+
+
+static Window make_rgb_db_window( Display *dpy, int xpos, int ypos,
+				  unsigned int width, unsigned int height )
+{
+   int attrib[] = { GLX_RGBA,
+		    GLX_RED_SIZE, 1,
+		    GLX_GREEN_SIZE, 1,
+		    GLX_BLUE_SIZE, 1,
+		    GLX_DOUBLEBUFFER,
+		    None };
+   int scrnum;
+   XSetWindowAttributes attr;
+   unsigned long mask;
+   Window root;
+   Window win;
+   GLXContext ctx;
+   XVisualInfo *visinfo;
+
+   scrnum = DefaultScreen( dpy );
+   root = RootWindow( dpy, scrnum );
+
+   visinfo = glXChooseVisual( dpy, scrnum, attrib );
+   if (!visinfo) {
+      printf("Error: couldn't get an RGB, Double-buffered visual\n");
+      exit(1);
+   }
+
+   /* window attributes */
+   attr.background_pixel = 0;
+   attr.border_pixel = 0;
+   attr.colormap = XCreateColormap( dpy, root, visinfo->visual, AllocNone);
+   attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask;
+   mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
+
+   win = XCreateWindow( dpy, root, 0, 0, width, height,
+		        0, visinfo->depth, InputOutput,
+		        visinfo->visual, mask, &attr );
+
+   {
+      XSizeHints sizehints;
+      sizehints.x = xpos;
+      sizehints.y = ypos;
+      sizehints.width  = width;
+      sizehints.height = height;
+      sizehints.flags = USSize | USPosition;
+      XSetNormalHints(dpy, win, &sizehints);
+      XSetStandardProperties(dpy, win, ProgramName, ProgramName,
+                              None, (char **)NULL, 0, &sizehints);
+   }
+
+
+   ctx = glXCreateContext( dpy, visinfo, NULL, True );
+
+   glXMakeCurrent( dpy, win, ctx );
+
+   return win;
+}
+
+
+static void event_loop( Display *dpy )
+{
+   XEvent event;
+
+   while (1) {
+      XNextEvent( dpy, &event );
+
+      switch (event.type) {
+	 case Expose:
+	    redraw( dpy, event.xany.window );
+	    break;
+	 case ConfigureNotify:
+	    resize( event.xconfigure.width, event.xconfigure.height );
+	    break;
+         case KeyPress:
+            exit(0);
+         default:
+            ;  /* no-op */
+      }
+   }
+}
+
+
+
+int main( int argc, char *argv[] )
+{
+   Display *dpy;
+   Window win;
+
+   dpy = XOpenDisplay(NULL);
+
+   win = make_rgb_db_window( dpy, 0, 0, 300, 300 );
+   setup_font( dpy );
+
+   glShadeModel( GL_FLAT );
+   glClearColor( 0.5, 0.5, 1.0, 1.0 );
+
+   XMapWindow( dpy, win );
+
+   event_loop( dpy );
+   return 0;
+}
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/xdemos/xuserotfont.c b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/xuserotfont.c
new file mode 100644
index 000000000..adb849511
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/xuserotfont.c
@@ -0,0 +1,399 @@
+/*
+ * Mesa 3-D graphics library
+ * Version:  6.1
+ *
+ * Copyright (C) 1999-2004  Brian Paul   All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+/* \file xuserotfont.c
+ *
+ * A function like glXUseXFont() but takes a 0, 90, 180 or 270 degree
+ * rotation angle for rotated text display.
+ *
+ * Based on Mesa's glXUseXFont implementation written by Thorsten Ohl.
+ */
+
+#include <assert.h>
+#include <stdlib.h>
+#include <string.h>
+#include <GL/glx.h>
+#include "xuserotfont.h"
+
+
+/**
+ * Generate OpenGL-compatible bitmap by drawing an X character glyph
+ * to an off-screen pixmap, then getting the image and testing pixels.
+ * \param width  bitmap width in pixels
+ * \param height  bitmap height in pixels
+ */
+static void
+fill_bitmap(Display *dpy, Pixmap pixmap, GC gc,
+	    unsigned int bitmapWidth, unsigned int bitmapHeight,
+            unsigned int charWidth, unsigned int charHeight,
+	    int xPos, int yPos, unsigned int c, GLubyte * bitmap,
+            int rotation)
+{
+   const int bytesPerRow = (bitmapWidth + 7) / 8;
+   XImage *image;
+   XChar2b char2b;
+
+   /* clear pixmap to 0 */
+   XSetForeground(dpy, gc, 0);
+   XFillRectangle(dpy, pixmap, gc, 0, 0, charWidth, charHeight);
+
+   /* The glyph is drawn snug up against the left/top edges of the pixmap */
+   XSetForeground(dpy, gc, 1);
+   char2b.byte1 = (c >> 8) & 0xff;
+   char2b.byte2 = (c & 0xff);
+   XDrawString16(dpy, pixmap, gc, xPos, yPos, &char2b, 1);
+
+   /* initialize GL bitmap */
+   memset(bitmap, 0, bytesPerRow * bitmapHeight);
+
+   image = XGetImage(dpy, pixmap, 0, 0, charWidth, charHeight, 1, XYPixmap);
+   if (image) {
+      /* Set appropriate bits in the GL bitmap.
+       * Note: X11 and OpenGL are upside down wrt each other).
+       */
+      unsigned int x, y;
+      if (rotation == 0) {
+         for (y = 0; y < charHeight; y++) {
+            for (x = 0; x < charWidth; x++) {
+               if (XGetPixel(image, x, y)) {
+                  int y2 = bitmapHeight - y - 1;
+                  bitmap[bytesPerRow * y2 + x / 8] |= (1 << (7 - (x % 8)));
+               }
+            }
+         }
+      }
+      else if (rotation == 90) {
+         for (y = 0; y < charHeight; y++) {
+            for (x = 0; x < charWidth; x++) {
+               if (XGetPixel(image, x, y)) {
+                  int x2 = y;
+                  int y2 = x;
+                  bitmap[bytesPerRow * y2 + x2 / 8] |= (1 << (7 - (x2 % 8)));
+               }
+            }
+         }
+      }
+      else if (rotation == 180) {
+         for (y = 0; y < charHeight; y++) {
+            for (x = 0; x < charWidth; x++) {
+               if (XGetPixel(image, x, y)) {
+                  int x2 = charWidth - x - 1;
+                  bitmap[bytesPerRow * y + x2 / 8] |= (1 << (7 - (x2 % 8)));
+               }
+            }
+         }
+      }
+      else {
+         assert(rotation == 270);
+         for (y = 0; y < charHeight; y++) {
+            for (x = 0; x < charWidth; x++) {
+               if (XGetPixel(image, x, y)) {
+                  int x2 = charHeight - y - 1;
+                  int y2 = charWidth - x - 1;
+                  bitmap[bytesPerRow * y2 + x2 / 8] |= (1 << (7 - (x2 % 8)));
+               }
+            }
+         }
+      }
+      XDestroyImage(image);
+   }
+}
+
+
+/*
+ * Determine if a given glyph is valid and return the
+ * corresponding XCharStruct.
+ */
+static const XCharStruct *
+isvalid(const XFontStruct * fs, unsigned int which)
+{
+   unsigned int rows, pages;
+   unsigned int byte1 = 0, byte2 = 0;
+   int i, valid = 1;
+
+   rows = fs->max_byte1 - fs->min_byte1 + 1;
+   pages = fs->max_char_or_byte2 - fs->min_char_or_byte2 + 1;
+
+   if (rows == 1) {
+      /* "linear" fonts */
+      if ((fs->min_char_or_byte2 > which) || (fs->max_char_or_byte2 < which))
+	 valid = 0;
+   }
+   else {
+      /* "matrix" fonts */
+      byte2 = which & 0xff;
+      byte1 = which >> 8;
+      if ((fs->min_char_or_byte2 > byte2) ||
+	  (fs->max_char_or_byte2 < byte2) ||
+	  (fs->min_byte1 > byte1) || (fs->max_byte1 < byte1))
+	 valid = 0;
+   }
+
+   if (valid) {
+      if (fs->per_char) {
+	 if (rows == 1) {
+	    /* "linear" fonts */
+	    return fs->per_char + (which - fs->min_char_or_byte2);
+	 }
+	 else {
+	    /* "matrix" fonts */
+	    i = ((byte1 - fs->min_byte1) * pages) +
+	       (byte2 - fs->min_char_or_byte2);
+	    return fs->per_char + i;
+	 }
+      }
+      else {
+	 return &fs->min_bounds;
+      }
+   }
+   return NULL;
+}
+
+
+void
+glXUseRotatedXFontMESA(Font font, int first, int count, int listbase,
+                       int rotation)
+{
+   Display *dpy;
+   Window win;
+   Pixmap pixmap;
+   GC gc;
+   XFontStruct *fs;
+   GLint swapbytes, lsbfirst, rowlength;
+   GLint skiprows, skippixels, alignment;
+   unsigned int maxCharWidth, maxCharHeight;
+   GLubyte *bm;
+   int i;
+
+   if (rotation != 0 &&
+       rotation != 90 &&
+       rotation != 180 &&
+       rotation != 270)
+      return;
+
+   dpy = glXGetCurrentDisplay();
+   if (!dpy)
+      return;			/* I guess glXMakeCurrent wasn't called */
+   win = RootWindow(dpy, DefaultScreen(dpy));
+
+   fs = XQueryFont(dpy, font);
+   if (!fs) {
+      /*
+      _mesa_error(NULL, GL_INVALID_VALUE,
+		  "Couldn't get font structure information");
+      */
+      return;
+   }
+
+   /* Allocate a GL bitmap that can fit any character */
+   maxCharWidth = fs->max_bounds.rbearing - fs->min_bounds.lbearing;
+   maxCharHeight = fs->max_bounds.ascent + fs->max_bounds.descent;
+   /* use max, in case we're rotating */
+   if (rotation == 90 || rotation == 270) {
+      /* swap width/height */
+      bm = (GLubyte *) malloc((maxCharHeight + 7) / 8 * maxCharWidth);
+   }
+   else {
+      /* normal or upside down */
+      bm = (GLubyte *) malloc((maxCharWidth + 7) / 8 * maxCharHeight);
+   }
+   if (!bm) {
+      XFreeFontInfo(NULL, fs, 1);
+      /*
+      _mesa_error(NULL, GL_OUT_OF_MEMORY,
+		  "Couldn't allocate bitmap in glXUseXFont()");
+      */
+      return;
+   }
+
+#if 0
+   /* get the page info */
+   pages = fs->max_char_or_byte2 - fs->min_char_or_byte2 + 1;
+   firstchar = (fs->min_byte1 << 8) + fs->min_char_or_byte2;
+   lastchar = (fs->max_byte1 << 8) + fs->max_char_or_byte2;
+   rows = fs->max_byte1 - fs->min_byte1 + 1;
+   unsigned int first_char, last_char, pages, rows;
+#endif
+
+   /* Save the current packing mode for bitmaps.  */
+   glGetIntegerv(GL_UNPACK_SWAP_BYTES, &swapbytes);
+   glGetIntegerv(GL_UNPACK_LSB_FIRST, &lsbfirst);
+   glGetIntegerv(GL_UNPACK_ROW_LENGTH, &rowlength);
+   glGetIntegerv(GL_UNPACK_SKIP_ROWS, &skiprows);
+   glGetIntegerv(GL_UNPACK_SKIP_PIXELS, &skippixels);
+   glGetIntegerv(GL_UNPACK_ALIGNMENT, &alignment);
+
+   /* Enforce a standard packing mode which is compatible with
+      fill_bitmap() from above.  This is actually the default mode,
+      except for the (non)alignment.  */
+   glPixelStorei(GL_UNPACK_SWAP_BYTES, GL_FALSE);
+   glPixelStorei(GL_UNPACK_LSB_FIRST, GL_FALSE);
+   glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
+   glPixelStorei(GL_UNPACK_SKIP_ROWS, 0);
+   glPixelStorei(GL_UNPACK_SKIP_PIXELS, 0);
+   glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+
+   /* Create pixmap and GC */
+   pixmap = XCreatePixmap(dpy, win, maxCharWidth, maxCharHeight, 1);
+   {
+      XGCValues values;
+      unsigned long valuemask;
+      values.foreground = BlackPixel(dpy, DefaultScreen(dpy));
+      values.background = WhitePixel(dpy, DefaultScreen(dpy));
+      values.font = fs->fid;
+      valuemask = GCForeground | GCBackground | GCFont;
+      gc = XCreateGC(dpy, pixmap, valuemask, &values);
+   }
+
+#ifdef DEBUG_XROT
+   if (debug_xfonts)
+      dump_font_struct(fs);
+#endif
+
+   for (i = 0; i < count; i++) {
+      const unsigned int c = first + i;
+      const int list = listbase + i;
+      unsigned int charWidth, charHeight;
+      unsigned int bitmapWidth = 0, bitmapHeight = 0;
+      GLfloat xOrig, yOrig, xStep, yStep, dtemp;
+      const XCharStruct *ch;
+      int xPos, yPos;
+      int valid;
+
+      /* check on index validity and get the bounds */
+      ch = isvalid(fs, c);
+      if (!ch) {
+	 ch = &fs->max_bounds;
+	 valid = 0;
+      }
+      else {
+	 valid = 1;
+      }
+
+#ifdef DEBUG_XROT
+      if (debug_xfonts) {
+	 char s[7];
+	 sprintf(s, isprint(c) ? "%c> " : "\\%03o> ", c);
+	 dump_char_struct(ch, s);
+      }
+#endif
+
+      /* glBitmap()' parameters:
+         straight from the glXUseXFont(3) manpage.  */
+      charWidth = ch->rbearing - ch->lbearing;
+      charHeight = ch->ascent + ch->descent;
+      xOrig = -ch->lbearing;
+      yOrig = ch->descent;
+      xStep = ch->width;
+      yStep = 0;
+
+      /* X11's starting point.  */
+      xPos = -ch->lbearing;
+      yPos = ch->ascent;
+
+      /* Apply rotation */
+      switch (rotation) {
+      case 0:
+         /* nothing */
+         bitmapWidth = charWidth;
+         bitmapHeight = charHeight;
+         break;
+      case 90:
+         /* xStep, yStep */
+         dtemp = xStep;
+         xStep = -yStep;
+         yStep = dtemp;
+         /* xOrig, yOrig */
+         yOrig = xOrig;
+         xOrig = charHeight - (charHeight - yPos);
+         /* width, height */
+         bitmapWidth = charHeight;
+         bitmapHeight = charWidth;
+         break;
+      case 180:
+         /* xStep, yStep */
+         xStep = -xStep;
+         yStep = -yStep;
+         /* xOrig, yOrig */
+         xOrig = charWidth - xOrig - 1;
+         yOrig = charHeight - yOrig - 1;
+         bitmapWidth = charWidth;
+         bitmapHeight = charHeight;
+         break;
+      case 270:
+         /* xStep, yStep */
+         dtemp = xStep;
+         xStep = yStep;
+         yStep = -dtemp;
+         /* xOrig, yOrig */
+         dtemp = yOrig;
+         yOrig = charWidth - xOrig;
+         xOrig = dtemp;
+         /* width, height */
+         bitmapWidth = charHeight;
+         bitmapHeight = charWidth;
+         break;
+      default:
+         /* should never get here */
+         ;
+      }
+
+      glNewList(list, GL_COMPILE);
+      if (valid && bitmapWidth > 0 && bitmapHeight > 0) {
+
+	 fill_bitmap(dpy, pixmap, gc, bitmapWidth, bitmapHeight,
+                     charWidth, charHeight,
+                     xPos, yPos, c, bm, rotation);
+
+	 glBitmap(bitmapWidth, bitmapHeight, xOrig, yOrig, xStep, yStep, bm);
+
+#ifdef DEBUG_XROT
+	 if (debug_xfonts) {
+	    printf("width/height = %u/%u\n", bitmapWidth, bitmapHeight);
+	    dump_bitmap(bitmapWidth, bitmapHeight, bm);
+	 }
+#endif
+      }
+      else {
+	 glBitmap(0, 0, 0.0, 0.0, xStep, yStep, NULL);
+      }
+      glEndList();
+   }
+
+   free(bm);
+   XFreeFontInfo(NULL, fs, 1);
+   XFreePixmap(dpy, pixmap);
+   XFreeGC(dpy, gc);
+
+   /* Restore saved packing modes.  */
+   glPixelStorei(GL_UNPACK_SWAP_BYTES, swapbytes);
+   glPixelStorei(GL_UNPACK_LSB_FIRST, lsbfirst);
+   glPixelStorei(GL_UNPACK_ROW_LENGTH, rowlength);
+   glPixelStorei(GL_UNPACK_SKIP_ROWS, skiprows);
+   glPixelStorei(GL_UNPACK_SKIP_PIXELS, skippixels);
+   glPixelStorei(GL_UNPACK_ALIGNMENT, alignment);
+}
+
+
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/xdemos/xuserotfont.h b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/xuserotfont.h
new file mode 100644
index 000000000..ea49203b7
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/xuserotfont.h
@@ -0,0 +1,12 @@
+#ifndef XUSEROTFONT_H
+#define XUSEROTFONT_H
+
+#include <X11/Xlib.h>
+
+
+extern void
+glXUseRotatedXFontMESA(Font font, int first, int count, int listbase,
+                       int rotation);
+
+
+#endif
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/xdemos/yuvrect_client.c b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/yuvrect_client.c
new file mode 100644
index 000000000..48f82cb75
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.2/progs/xdemos/yuvrect_client.c
@@ -0,0 +1,326 @@
+/*
+ * Test the GL_NV_texture_rectangle and GL_MESA_ycrcb_texture extensions and GLX_MESA_allocate-memory
+ *
+ * Dave Airlie - Feb 2005
+ */
+
+#include <assert.h>
+#include <math.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <X11/Xlib.h>
+#include <X11/keysym.h>
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glx.h>
+
+#include "../util/readtex.c"   /* I know, this is a hack. */
+
+#define TEXTURE_FILE "../images/girl2.rgb"
+
+static GLfloat Xrot = 0, Yrot = 0, Zrot = 0;
+static GLint ImgWidth, ImgHeight;
+static GLushort *ImageYUV = NULL;
+static void *glx_memory;
+
+static void DrawObject(void)
+{
+   glBegin(GL_QUADS);
+
+   glTexCoord2f(0, 0);
+   glVertex2f(-1.0, -1.0);
+
+   glTexCoord2f(ImgWidth, 0);
+   glVertex2f(1.0, -1.0);
+
+   glTexCoord2f(ImgWidth, ImgHeight);
+   glVertex2f(1.0, 1.0);
+
+   glTexCoord2f(0, ImgHeight);
+   glVertex2f(-1.0, 1.0);
+
+   glEnd();
+}
+
+
+static void scr_Display( void )
+{
+   glClear( GL_COLOR_BUFFER_BIT );
+
+   glPushMatrix();
+      glRotatef(Xrot, 1.0, 0.0, 0.0);
+      glRotatef(Yrot, 0.0, 1.0, 0.0);
+      glRotatef(Zrot, 0.0, 0.0, 1.0);
+      DrawObject();
+   glPopMatrix();
+
+}
+
+
+static void Reshape( int width, int height )
+{
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glFrustum( -1.0, 1.0, -1.0, 1.0, 10.0, 100.0 );
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   glTranslatef( 0.0, 0.0, -15.0 );
+}
+
+static int queryClient(Display *dpy, int screen)
+{
+#ifdef GLX_MESA_allocate_memory
+  char *extensions;
+
+  extensions = (char *)glXQueryExtensionsString(dpy, screen);
+  if (!extensions || !strstr(extensions,"GLX_MESA_allocate_memory")) {
+    return 0;
+  }
+
+  return 1;
+#else
+  return 0;
+#endif
+}
+
+static int
+query_extension(char* extName) {
+    char *p = (char *) glGetString(GL_EXTENSIONS);
+    char *end = p + strlen(p);
+    while (p < end) {
+        int n = strcspn(p, " ");
+        if ((strlen(extName) == n) && (strncmp(extName, p, n) == 0))
+            return GL_TRUE;
+        p += (n + 1);
+    }
+    return GL_FALSE;
+}
+
+static void Init( int argc, char *argv[] , Display *dpy, int screen, Window win)
+{
+   GLuint texObj = 100;
+   const char *file;
+   void *glx_memory;
+
+   if (!query_extension("GL_NV_texture_rectangle")) {
+      printf("Sorry, GL_NV_texture_rectangle is required\n");
+      exit(0);
+   }
+
+   if (!query_extension("GL_MESA_ycbcr_texture")) {
+      printf("Sorry, GL_MESA_ycbcr_texture is required\n");
+      exit(0);
+   }
+
+   if (!queryClient(dpy, screen)) {
+     printf("Sorry, GLX_MESA_allocate_memory is required\n");
+     exit(0);
+   }
+
+   glPixelStorei(GL_UNPACK_CLIENT_STORAGE_APPLE, 1);
+   glBindTexture(GL_TEXTURE_RECTANGLE_NV, texObj);
+#ifdef LINEAR_FILTER
+   /* linear filtering looks much nicer but is much slower for Mesa */
+   glTexParameteri(GL_TEXTURE_RECTANGLE_NV, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+   glTexParameteri(GL_TEXTURE_RECTANGLE_NV, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+#else
+   glTexParameteri(GL_TEXTURE_RECTANGLE_NV, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+   glTexParameteri(GL_TEXTURE_RECTANGLE_NV, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+#endif
+
+   if (argc > 1)
+      file = argv[1];
+   else
+      file = TEXTURE_FILE;
+
+   ImageYUV = LoadYUVImage(file, &ImgWidth, &ImgHeight);
+   if (!ImageYUV) {
+      printf("Couldn't read %s\n", TEXTURE_FILE);
+      exit(0);
+   }
+   
+   glx_memory = glXAllocateMemoryMESA(dpy, screen, ImgWidth * ImgHeight * 2, 0, 0 ,0);
+   if (!glx_memory)
+   {
+     fprintf(stderr,"Failed to allocate MESA memory\n");
+     exit(-1);
+   }
+   
+   memcpy(glx_memory, ImageYUV, ImgWidth * ImgHeight * 2);
+   
+   printf("Image: %dx%d\n", ImgWidth, ImgHeight);
+
+   glTexImage2D(GL_TEXTURE_RECTANGLE_NV, 0,
+                GL_YCBCR_MESA, ImgWidth, ImgHeight, 0,
+                GL_YCBCR_MESA, GL_UNSIGNED_SHORT_8_8_APPLE, glx_memory);
+
+   assert(glGetError() == GL_NO_ERROR);
+
+   glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+
+   glEnable(GL_TEXTURE_RECTANGLE_NV);
+
+   glShadeModel(GL_FLAT);
+   glClearColor(0.3, 0.3, 0.4, 1.0);
+
+}
+
+/*
+ * Create an RGB, double-buffered window.
+ * Return the window and context handles.
+ */
+static void
+make_window( Display *dpy, const char *name,
+             int x, int y, int width, int height,
+             Window *winRet, GLXContext *ctxRet)
+{
+   int attribs[] = { GLX_RGBA,
+                     GLX_RED_SIZE, 1,
+                     GLX_GREEN_SIZE, 1,
+                     GLX_BLUE_SIZE, 1,
+                     GLX_DOUBLEBUFFER,
+                     GLX_DEPTH_SIZE, 1,
+                     None };
+   int scrnum;
+   XSetWindowAttributes attr;
+   unsigned long mask;
+   Window root;
+   Window win;
+   GLXContext ctx;
+   XVisualInfo *visinfo;
+
+   scrnum = DefaultScreen( dpy );
+   root = RootWindow( dpy, scrnum );
+   
+   visinfo = glXChooseVisual( dpy, scrnum, attribs );
+   if (!visinfo) {
+     printf("Error: couldn't get an RGB, Double-buffered visual\n");
+     exit(1);
+   }
+
+   /* window attributes */
+   attr.background_pixel = 0;
+   attr.border_pixel = 0;
+   attr.colormap = XCreateColormap( dpy, root, visinfo->visual, AllocNone);
+   attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask;
+   attr.override_redirect = 0;
+   mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask | CWOverrideRedirect;
+
+   win = XCreateWindow( dpy, root, 0, 0, width, height,
+		        0, visinfo->depth, InputOutput,
+		        visinfo->visual, mask, &attr );
+
+   /* set hints and properties */
+   {
+      XSizeHints sizehints;
+      sizehints.x = x;
+      sizehints.y = y;
+      sizehints.width  = width;
+      sizehints.height = height;
+      sizehints.flags = USSize | USPosition;
+      XSetNormalHints(dpy, win, &sizehints);
+      XSetStandardProperties(dpy, win, name, name,
+                              None, (char **)NULL, 0, &sizehints);
+   }
+
+   ctx = glXCreateContext( dpy, visinfo, NULL, True );
+   if (!ctx) {
+      printf("Error: glXCreateContext failed\n");
+      exit(1);
+   }
+
+   XFree(visinfo);
+
+   *winRet = win;
+   *ctxRet = ctx;
+}
+
+
+static void
+event_loop(Display *dpy, Window win)
+{
+   while (1) {
+      while (XPending(dpy) > 0) {
+         XEvent event;
+         XNextEvent(dpy, &event);
+         switch (event.type) {
+	 case Expose:
+            /* we'll redraw below */
+	    break;
+	 case ConfigureNotify:
+	   Reshape(event.xconfigure.width, event.xconfigure.height);
+	    break;
+         case KeyPress:
+            {
+               char buffer[10];
+               int r, code;
+               code = XLookupKeysym(&event.xkey, 0);
+	       r = XLookupString(&event.xkey, buffer, sizeof(buffer),
+				 NULL, NULL);
+	       if (buffer[0] == 27) {
+		 /* escape */
+		 return;
+                 
+               }
+            }
+         }
+      }
+
+   }
+}
+
+
+int
+main(int argc, char *argv[])
+{
+   Display *dpy;
+   Window win;
+   GLXContext ctx;
+   char *dpyName = NULL;
+   GLboolean printInfo = GL_FALSE;
+   int i;
+
+   for (i = 1; i < argc; i++) {
+      if (strcmp(argv[i], "-display") == 0) {
+         dpyName = argv[i+1];
+         i++;
+      }
+      else if (strcmp(argv[i], "-info") == 0) {
+         printInfo = GL_TRUE;
+      }
+      else
+	 printf("Warrning: unknown parameter: %s\n", argv[i]);
+   }
+
+   dpy = XOpenDisplay(dpyName);
+   if (!dpy) {
+      printf("Error: couldn't open display %s\n",
+	     dpyName ? dpyName : getenv("DISPLAY"));
+      return -1;
+   }
+
+   make_window(dpy, "yuvrect_client", 0, 0, 300, 300, &win, &ctx);
+   XMapWindow(dpy, win);
+   glXMakeCurrent(dpy, win, ctx);
+
+   if (printInfo) {
+      printf("GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+      printf("GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+      printf("GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+      printf("GL_EXTENSIONS = %s\n", (char *) glGetString(GL_EXTENSIONS));
+   }
+
+   Init(argc, argv, dpy, DefaultScreen(dpy), win);
+
+   scr_Display();			       
+   glXSwapBuffers(dpy, win);
+   event_loop(dpy, win);
+
+   glXFreeMemoryMESA(dpy, DefaultScreen(dpy), glx_memory);
+   glXDestroyContext(dpy, ctx);
+   XDestroyWindow(dpy, win);
+   XCloseDisplay(dpy);
+
+   return 0;
+}