Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1

Summary: Imported nx-X11-3.1.0-1.tar.gz
Keywords:

Imported nx-X11-3.1.0-1.tar.gz
into Git repository

1 files changed, 341 insertions, 0 deletions

diff --git a/nx-X11/extras/Mesa/src/glx/x11/pixelstore.c b/nx-X11/extras/Mesa/src/glx/x11/pixelstore.c
new file mode 100644
index 000000000..8996ee879
--- /dev/null
+++ b/nx-X11/extras/Mesa/src/glx/x11/pixelstore.c
@@ -0,0 +1,341 @@
+/* $XFree86: xc/lib/GL/glx/pixelstore.c,v 1.4 2004/01/28 18:11:43 alanh Exp $ */
+/*
+** License Applicability. Except to the extent portions of this file are
+** made subject to an alternative license as permitted in the SGI Free
+** Software License B, Version 1.1 (the "License"), the contents of this
+** file are subject only to the provisions of the License. You may not use
+** this file except in compliance with the License. You may obtain a copy
+** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600
+** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at:
+** 
+** http://oss.sgi.com/projects/FreeB
+** 
+** Note that, as provided in the License, the Software is distributed on an
+** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS
+** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND
+** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A
+** PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
+** 
+** Original Code. The Original Code is: OpenGL Sample Implementation,
+** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics,
+** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc.
+** Copyright in any portions created by third parties is as indicated
+** elsewhere herein. All Rights Reserved.
+** 
+** Additional Notice Provisions: The application programming interfaces
+** established by SGI in conjunction with the Original Code are The
+** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released
+** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version
+** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X
+** Window System(R) (Version 1.3), released October 19, 1998. This software
+** was created using the OpenGL(R) version 1.2.1 Sample Implementation
+** published by SGI, but has not been independently verified as being
+** compliant with the OpenGL(R) version 1.2.1 Specification.
+**
+*/
+
+#include "glxclient.h"
+#include "indirect.h"
+
+#if !defined __GNUC__ || __GNUC__ < 3
+#  define __builtin_expect(x, y) x
+#endif
+
+/**
+ * Send glPixelStore command to the server
+ * 
+ * \param gc     Current GLX context
+ * \param sop    Either \c X_GLsop_PixelStoref or \c X_GLsop_PixelStorei
+ * \param pname  Selector of which pixel parameter is to be set.
+ * \param param  Value that \c pname is set to.
+ *
+ * \sa __indirect_glPixelStorei,  __indirect_glPixelStoref
+ */
+static void
+send_PixelStore( __GLXcontext * gc, unsigned sop, GLenum pname, 
+		 const void * param )
+{
+    Display * const dpy = gc->currentDpy;
+    const GLuint cmdlen = 8;
+    if (__builtin_expect(dpy != NULL, 1)) {
+        GLubyte const * pc = __glXSetupSingleRequest(gc, sop, cmdlen);
+        (void) memcpy((void *)(pc + 0), (void *)(&pname), 4);
+        (void) memcpy((void *)(pc + 4), param, 4);
+        UnlockDisplay(dpy); SyncHandle();
+    }
+    return;
+}
+
+/*
+** Specify parameters that control the storage format of pixel arrays.
+*/
+void __indirect_glPixelStoref(GLenum pname, GLfloat param)
+{
+    __GLXcontext *gc = __glXGetCurrentContext();
+    __GLXattribute * state = gc->client_state_private;
+    Display *dpy = gc->currentDpy;
+    GLuint a;
+
+    if (!dpy) return;
+
+    switch (pname) {
+      case GL_PACK_ROW_LENGTH:
+	a = (GLuint) (param + 0.5);
+	if (((GLint) a) < 0) {
+	    __glXSetError(gc, GL_INVALID_VALUE);
+	    return;
+	}
+	state->storePack.rowLength = a;
+	break;
+      case GL_PACK_IMAGE_HEIGHT:
+        a = (GLuint) (param + 0.5);
+        if (((GLint) a) < 0) {
+            __glXSetError(gc, GL_INVALID_VALUE);
+            return;
+        }
+        state->storePack.imageHeight = a;
+        break;
+      case GL_PACK_SKIP_ROWS:
+	a = (GLuint) (param + 0.5);
+	if (((GLint) a) < 0) {
+	    __glXSetError(gc, GL_INVALID_VALUE);
+	    return;
+	}
+	state->storePack.skipRows = a;
+	break;
+      case GL_PACK_SKIP_PIXELS:
+	a = (GLuint) (param + 0.5);
+	if (((GLint) a) < 0) {
+	    __glXSetError(gc, GL_INVALID_VALUE);
+	    return;
+	}
+	state->storePack.skipPixels = a;
+	break;
+      case GL_PACK_SKIP_IMAGES:
+        a = (GLuint) (param + 0.5);
+        if (((GLint) a) < 0) {
+            __glXSetError(gc, GL_INVALID_VALUE);
+            return;
+        }
+        state->storePack.skipImages = a;
+        break;
+      case GL_PACK_ALIGNMENT:
+	a = (GLint) (param + 0.5);
+	switch (a) {
+	  case 1: case 2: case 4: case 8:
+	    state->storePack.alignment = a;
+	    break;
+	  default:
+	    __glXSetError(gc, GL_INVALID_VALUE);
+	    return;
+	}
+	break;
+      case GL_PACK_SWAP_BYTES:
+	state->storePack.swapEndian = (param != 0);
+	break;
+      case GL_PACK_LSB_FIRST:
+	state->storePack.lsbFirst = (param != 0);
+	break;
+
+      case GL_UNPACK_ROW_LENGTH:
+	a = (GLuint) (param + 0.5);
+	if (((GLint) a) < 0) {
+	    __glXSetError(gc, GL_INVALID_VALUE);
+	    return;
+	}
+	state->storeUnpack.rowLength = a;
+	break;
+      case GL_UNPACK_IMAGE_HEIGHT:
+        a = (GLuint) (param + 0.5);
+        if (((GLint) a) < 0) {
+            __glXSetError(gc, GL_INVALID_VALUE);
+            return;
+        }
+        state->storeUnpack.imageHeight = a;
+        break;
+      case GL_UNPACK_SKIP_ROWS:
+	a = (GLuint) (param + 0.5);
+	if (((GLint) a) < 0) {
+	    __glXSetError(gc, GL_INVALID_VALUE);
+	    return;
+	}
+	state->storeUnpack.skipRows = a;
+	break;
+      case GL_UNPACK_SKIP_PIXELS:
+	a = (GLuint) (param + 0.5);
+	if (((GLint) a) < 0) {
+	    __glXSetError(gc, GL_INVALID_VALUE);
+	    return;
+	}
+	state->storeUnpack.skipPixels = a;
+	break;
+      case GL_UNPACK_SKIP_IMAGES:
+        a = (GLuint) (param + 0.5);
+        if (((GLint) a) < 0) {
+            __glXSetError(gc, GL_INVALID_VALUE);
+            return;
+        }
+        state->storeUnpack.skipImages = a;
+        break;
+      case GL_UNPACK_ALIGNMENT:
+	a = (GLint) (param + 0.5);
+	switch (a) {
+	  case 1: case 2: case 4: case 8:
+	    state->storeUnpack.alignment = a;
+	    break;
+	  default:
+	    __glXSetError(gc, GL_INVALID_VALUE);
+	    return;
+	}
+	break;
+      case GL_UNPACK_SWAP_BYTES:
+	state->storeUnpack.swapEndian = (param != 0);
+	break;
+      case GL_UNPACK_LSB_FIRST:
+	state->storeUnpack.lsbFirst = (param != 0);
+	break;
+
+      /* Group all of the pixel store modes that need to be sent to the
+       * server here.  Care must be used to only send modes to the server that
+       * won't affect the size of the data sent to or received from the
+       * server.  GL_PACK_INVERT_MESA is safe in this respect, but other,
+       * future modes may not be.
+       */
+      case GL_PACK_INVERT_MESA:
+	send_PixelStore( gc, X_GLsop_PixelStoref, pname, & param );
+	break;
+
+      default:
+	__glXSetError(gc, GL_INVALID_ENUM);
+	break;
+    }
+}
+
+void __indirect_glPixelStorei(GLenum pname, GLint param)
+{
+    __GLXcontext *gc = __glXGetCurrentContext();
+    __GLXattribute * state = gc->client_state_private;
+    Display *dpy = gc->currentDpy;
+
+    if (!dpy) return;
+
+    switch (pname) {
+      case GL_PACK_ROW_LENGTH:
+	if (param < 0) {
+	    __glXSetError(gc, GL_INVALID_VALUE);
+	    return;
+	}
+	state->storePack.rowLength = param;
+	break;
+      case GL_PACK_IMAGE_HEIGHT:
+        if (param < 0) {
+            __glXSetError(gc, GL_INVALID_VALUE);
+            return;
+        }
+        state->storePack.imageHeight = param;
+        break;
+      case GL_PACK_SKIP_ROWS:
+	if (param < 0) {
+	    __glXSetError(gc, GL_INVALID_VALUE);
+	    return;
+	}
+	state->storePack.skipRows = param;
+	break;
+      case GL_PACK_SKIP_PIXELS:
+	if (param < 0) {
+	    __glXSetError(gc, GL_INVALID_VALUE);
+	    return;
+	}
+	state->storePack.skipPixels = param;
+	break;
+      case GL_PACK_SKIP_IMAGES:
+        if (param < 0) {
+            __glXSetError(gc, GL_INVALID_VALUE);
+            return;
+        }
+        state->storePack.skipImages = param;
+        break;
+      case GL_PACK_ALIGNMENT:
+	switch (param) {
+	  case 1: case 2: case 4: case 8:
+	    state->storePack.alignment = param;
+	    break;
+	  default:
+	    __glXSetError(gc, GL_INVALID_VALUE);
+	    return;
+	}
+	break;
+      case GL_PACK_SWAP_BYTES:
+	state->storePack.swapEndian = (param != 0);
+	break;
+      case GL_PACK_LSB_FIRST:
+	state->storePack.lsbFirst = (param != 0);
+	break;
+
+      case GL_UNPACK_ROW_LENGTH:
+	if (param < 0) {
+	    __glXSetError(gc, GL_INVALID_VALUE);
+	    return;
+	}
+	state->storeUnpack.rowLength = param;
+	break;
+      case GL_UNPACK_IMAGE_HEIGHT:
+        if (param < 0) {
+            __glXSetError(gc, GL_INVALID_VALUE);
+            return;
+        }
+        state->storeUnpack.imageHeight = param;
+        break;
+      case GL_UNPACK_SKIP_ROWS:
+	if (param < 0) {
+	    __glXSetError(gc, GL_INVALID_VALUE);
+	    return;
+	}
+	state->storeUnpack.skipRows = param;
+	break;
+      case GL_UNPACK_SKIP_PIXELS:
+	if (param < 0) {
+	    __glXSetError(gc, GL_INVALID_VALUE);
+	    return;
+	}
+	state->storeUnpack.skipPixels = param;
+	break;
+      case GL_UNPACK_SKIP_IMAGES:
+        if (param < 0) {
+            __glXSetError(gc, GL_INVALID_VALUE);
+            return;
+        }
+        state->storeUnpack.skipImages = param;
+        break;
+      case GL_UNPACK_ALIGNMENT:
+	switch (param) {
+	  case 1: case 2: case 4: case 8:
+	    state->storeUnpack.alignment = param;
+	    break;
+	  default:
+	    __glXSetError(gc, GL_INVALID_VALUE);
+	    return;
+	}
+	break;
+      case GL_UNPACK_SWAP_BYTES:
+	state->storeUnpack.swapEndian = (param != 0);
+	break;
+      case GL_UNPACK_LSB_FIRST:
+	state->storeUnpack.lsbFirst = (param != 0);
+	break;
+
+      /* Group all of the pixel store modes that need to be sent to the
+       * server here.  Care must be used to only send modes to the server that
+       * won't affect the size of the data sent to or received from the
+       * server.  GL_PACK_INVERT_MESA is safe in this respect, but other,
+       * future modes may not be.
+       */
+      case GL_PACK_INVERT_MESA:
+	send_PixelStore( gc, X_GLsop_PixelStorei, pname, & param );
+	break;
+
+      default:
+	__glXSetError(gc, GL_INVALID_ENUM);
+	break;
+    }
+}