71 files changed, 11431 insertions, 0 deletions

diff --git a/nx-X11/extras/Mesa_6.4.1/progs/redbook/.cvsignore b/nx-X11/extras/Mesa_6.4.1/progs/redbook/.cvsignore
new file mode 100644
index 000000000..8ed3efe3e
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/Imakefile b/nx-X11/extras/Mesa_6.4.1/progs/redbook/Imakefile
new file mode 100644
index 000000000..ab3b6d7f7
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/Makefile b/nx-X11/extras/Mesa_6.4.1/progs/redbook/Makefile
new file mode 100644
index 000000000..4cfbb9aea
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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 $(PROGS)
+	-rm -f *.o *~
+
diff --git a/nx-X11/extras/Mesa_6.4.1/progs/redbook/Makefile.win b/nx-X11/extras/Mesa_6.4.1/progs/redbook/Makefile.win
new file mode 100644
index 000000000..7e57b8e47
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/progs/redbook/Makefile.win
@@ -0,0 +1,78 @@
+# Makefile for Win32
+
+TOP    = ..
+INCDIR = ..\include
+LIBDIR = ..\lib
+
+!include <win32.mak>
+
+SRCS= \
+   aaindex.c \
+   aapoly.c \
+   aargb.c \
+   accanti.c \
+   accpersp.c \
+   alpha.c    \
+   alpha3D.c  \
+   anti.c     \
+   bezcurve.c  \
+   bezmesh.c   \
+   checker.c   \
+   clip.c      \
+   colormat.c  \
+   cube.c      \
+   depthcue.c  \
+   dof.c       \
+   double.c    \
+   drawf.c     \
+   feedback.c  \
+   fog.c       \
+   fogindex.c  \
+   font.c      \
+   hello.c     \
+   image.c     \
+   light.c     \
+   lines.c     \
+   list.c      \
+   material.c  \
+   mipmap.c    \
+   model.c     \
+   movelight.c \
+   nurbs.c     \
+   pickdepth.c \
+   picksquare.c \
+   plane.c     \
+   planet.c    \
+   polyoff.c  \
+   polys.c     \
+   quadric.c   \
+   robot.c     \
+   sccolorlight.c \
+   scene.c     \
+   scenebamb.c \
+   sceneflat.c \
+   select.c    \
+   smooth.c    \
+   stencil.c   \
+   stroke.c    \
+   surface.c   \
+   teaambient.c \
+   teapots.c   \
+   tess.c      \
+   tesswind.c  \
+   texbind.c   \
+   texgen.c    \
+   texprox.c   \
+   texsub.c    \
+   texturesurf.c \
+   torus.c     \
+   trim.c     \
+   unproject.c \
+   varray.c   \
+   wrap.c
+
+!include "$(TOP)/mesawin32.mak"
+
+$(EXES) : $*.obj
+	@echo $@
+	$(link) -out:$@ $* /LIBPATH:$(LIBDIR) $(LIBS)
\ No newline at end of file
diff --git a/nx-X11/extras/Mesa_6.4.1/progs/redbook/README b/nx-X11/extras/Mesa_6.4.1/progs/redbook/README
new file mode 100644
index 000000000..4c8d5a74c
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/Windows/redbook.dsw b/nx-X11/extras/Mesa_6.4.1/progs/redbook/Windows/redbook.dsw
new file mode 100644
index 000000000..71ba7e89e
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/Windows/teapots.dsp b/nx-X11/extras/Mesa_6.4.1/progs/redbook/Windows/teapots.dsp
new file mode 100644
index 000000000..4d3986581
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/aaindex.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/aaindex.c
new file mode 100644
index 000000000..7dbc7b4b9
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/aapoly.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/aapoly.c
new file mode 100644
index 000000000..757f0f48c
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/aargb.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/aargb.c
new file mode 100644
index 000000000..f51984170
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/accanti.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/accanti.c
new file mode 100644
index 000000000..12ca16f7a
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/accpersp.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/accpersp.c
new file mode 100644
index 000000000..46e369ae6
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/alpha.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/alpha.c
new file mode 100644
index 000000000..6eeb45b96
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/alpha3D.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/alpha3D.c
new file mode 100644
index 000000000..6169bd162
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/anti.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/anti.c
new file mode 100644
index 000000000..9eab0bc35
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/bezcurve.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/bezcurve.c
new file mode 100644
index 000000000..5dee44039
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/bezmesh.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/bezmesh.c
new file mode 100644
index 000000000..55e7e827f
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/checker.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/checker.c
new file mode 100644
index 000000000..06cbae7dd
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/clip.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/clip.c
new file mode 100644
index 000000000..90816f2e2
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/colormat.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/colormat.c
new file mode 100644
index 000000000..9db4491ba
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/cube.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/cube.c
new file mode 100644
index 000000000..5ecc6280f
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/depthcue.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/depthcue.c
new file mode 100644
index 000000000..a3e5b743a
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/dof.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/dof.c
new file mode 100644
index 000000000..6673dc2d5
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/double.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/double.c
new file mode 100644
index 000000000..3153c70cc
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/drawf.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/drawf.c
new file mode 100644
index 000000000..5bcccb6ae
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/feedback.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/feedback.c
new file mode 100644
index 000000000..cc685d55d
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/fog.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/fog.c
new file mode 100644
index 000000000..14c7700ec
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/fogindex.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/fogindex.c
new file mode 100644
index 000000000..b8bb691e2
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/font.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/font.c
new file mode 100644
index 000000000..2d92e9b60
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/hello.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/hello.c
new file mode 100644
index 000000000..fb3dae132
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/image.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/image.c
new file mode 100644
index 000000000..dc1a7246e
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/jitter.h b/nx-X11/extras/Mesa_6.4.1/progs/redbook/jitter.h
new file mode 100644
index 000000000..1ec08c87f
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/light.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/light.c
new file mode 100644
index 000000000..0eed85e10
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/lines.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/lines.c
new file mode 100644
index 000000000..b34d4c418
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/list.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/list.c
new file mode 100644
index 000000000..3b4f44bd6
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/material.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/material.c
new file mode 100644
index 000000000..f9a4fc592
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/mipmap.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/mipmap.c
new file mode 100644
index 000000000..d32dd725f
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/model.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/model.c
new file mode 100644
index 000000000..8411ef355
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/movelight.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/movelight.c
new file mode 100644
index 000000000..a108cad43
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/nurbs.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/nurbs.c
new file mode 100644
index 000000000..a7c6f0c69
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/pickdepth.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/pickdepth.c
new file mode 100644
index 000000000..ad5bdc819
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/picksquare.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/picksquare.c
new file mode 100644
index 000000000..636edc97b
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/plane.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/plane.c
new file mode 100644
index 000000000..dc17f7b23
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/planet.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/planet.c
new file mode 100644
index 000000000..e13672d3f
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/polyoff.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/polyoff.c
new file mode 100644
index 000000000..2017b4d8e
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/polys.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/polys.c
new file mode 100644
index 000000000..409abd175
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/quadric.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/quadric.c
new file mode 100644
index 000000000..4e46c85f8
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/robot.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/robot.c
new file mode 100644
index 000000000..94e20ac71
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/sccolorlight.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/sccolorlight.c
new file mode 100644
index 000000000..0ea750e58
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/scene.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/scene.c
new file mode 100644
index 000000000..c3abc727b
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/scenebamb.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/scenebamb.c
new file mode 100644
index 000000000..e7264d200
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/sceneflat.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/sceneflat.c
new file mode 100644
index 000000000..10891fb99
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/select.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/select.c
new file mode 100644
index 000000000..928373b87
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/smooth.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/smooth.c
new file mode 100644
index 000000000..9d22fc902
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/stencil.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/stencil.c
new file mode 100644
index 000000000..b33e40a03
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/stroke.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/stroke.c
new file mode 100644
index 000000000..19b0391cb
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/surface.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/surface.c
new file mode 100644
index 000000000..e33ce14f4
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/teaambient.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/teaambient.c
new file mode 100644
index 000000000..53b511175
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/teapots.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/teapots.c
new file mode 100644
index 000000000..fb7aed380
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/tess.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/tess.c
new file mode 100644
index 000000000..238a469af
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/tesswind.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/tesswind.c
new file mode 100644
index 000000000..7d00c9f90
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/texbind.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/texbind.c
new file mode 100644
index 000000000..6a828ab2b
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/texgen.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/texgen.c
new file mode 100644
index 000000000..7c1802a3b
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/texprox.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/texprox.c
new file mode 100644
index 000000000..6f1e853fa
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/texsub.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/texsub.c
new file mode 100644
index 000000000..4e829675a
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/texturesurf.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/texturesurf.c
new file mode 100644
index 000000000..0170070ea
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/torus.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/torus.c
new file mode 100644
index 000000000..7ae4d41e2
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/trim.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/trim.c
new file mode 100644
index 000000000..f17674f68
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/unproject.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/unproject.c
new file mode 100644
index 000000000..134c361ba
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/varray.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/varray.c
new file mode 100644
index 000000000..b22e723e0
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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_6.4.1/progs/redbook/wrap.c b/nx-X11/extras/Mesa_6.4.1/progs/redbook/wrap.c
new file mode 100644
index 000000000..f9a1f162a
--- /dev/null
+++ b/nx-X11/extras/Mesa_6.4.1/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; 
+}