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@@ -1,4 +1,4 @@ |
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/* $Id: extensions.c,v 1.1 1999/08/19 00:55:41 jtg Exp $ */ |
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/* $Id: extensions.c,v 1.2 1999/09/11 11:31:34 brianp Exp $ */ |
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/* |
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* Mesa 3-D graphics library |
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@@ -26,10 +26,12 @@ |
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#include <stdlib.h> |
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#include "context.h" |
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#include "extensions.h" |
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#include "simple_list.h" |
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#include "types.h" |
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#define MAX_EXT_NAMELEN 80 |
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#define MALLOC_STRUCT(T) (struct T *) malloc( sizeof(struct T) ) |
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@@ -67,6 +69,7 @@ static struct { int enabled; const char *name; } default_extensions[] = { |
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{ DEFAULT_ON, "GL_EXT_compiled_vertex_array" }, |
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{ DEFAULT_OFF, "GL_EXT_vertex_array_set" }, |
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{ DEFAULT_ON, "GL_EXT_clip_volume_hint" }, |
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{ ALWAYS_ENABLED, "GL_EXT_get_proc_address" } |
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}; |
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@@ -194,3 +197,189 @@ const char *gl_extensions_get_string( GLcontext *ctx ) |
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} |
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/* |
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* Return the address of an extension function. |
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* NOTE: this function could be optimized to binary search a sorted |
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* list of function names. |
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* Also, this function does not yet do per-context function searches. |
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* But since the client must also call glGetString(GL_EXTENSIONS) to |
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* test for the extension this isn't a big deal. |
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*/ |
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void *gl_GetProcAddress( GLcontext *ctx, const GLubyte *procName ) |
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{ |
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struct proc { |
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const char *name; |
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void *address; |
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}; |
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static struct proc procTable[] = { |
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{ "glGetProcAddressEXT", glGetProcAddressEXT }, /* myself! */ |
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/* OpenGL 1.1 functions */ |
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{ "glEnableClientState", glEnableClientState }, |
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{ "glDisableClientState", glDisableClientState }, |
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{ "glPushClientAttrib", glPushClientAttrib }, |
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{ "glPopClientAttrib", glPopClientAttrib }, |
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{ "glIndexub", glIndexub }, |
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{ "glIndexubv", glIndexubv }, |
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{ "glVertexPointer", glVertexPointer }, |
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{ "glNormalPointer", glNormalPointer }, |
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{ "glColorPointer", glColorPointer }, |
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{ "glIndexPointer", glIndexPointer }, |
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{ "glTexCoordPointer", glTexCoordPointer }, |
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{ "glEdgeFlagPointer", glEdgeFlagPointer }, |
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{ "glGetPointerv", glGetPointerv }, |
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{ "glArrayElement", glArrayElement }, |
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{ "glDrawArrays", glDrawArrays }, |
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{ "glDrawElements", glDrawElements }, |
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{ "glInterleavedArrays", glInterleavedArrays }, |
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{ "glGenTextures", glGenTextures }, |
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{ "glDeleteTextures", glDeleteTextures }, |
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{ "glBindTexture", glBindTexture }, |
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{ "glPrioritizeTextures", glPrioritizeTextures }, |
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{ "glAreTexturesResident", glAreTexturesResident }, |
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{ "glIsTexture", glIsTexture }, |
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{ "glTexSubImage1D", glTexSubImage1D }, |
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{ "glTexSubImage2D", glTexSubImage2D }, |
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{ "glCopyTexImage1D", glCopyTexImage1D }, |
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{ "glCopyTexImage2D", glCopyTexImage2D }, |
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{ "glCopyTexSubImage1D", glCopyTexSubImage1D }, |
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{ "glCopyTexSubImage2D", glCopyTexSubImage2D }, |
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/* OpenGL 1.2 functions */ |
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{ "glDrawRangeElements", glDrawRangeElements }, |
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{ "glTexImage3D", glTexImage3D }, |
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{ "glTexSubImage3D", glTexSubImage3D }, |
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{ "glCopyTexSubImage3D", glCopyTexSubImage3D }, |
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/* NOTE: 1.2 imaging subset functions not implemented in Mesa */ |
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/* GL_EXT_blend_minmax */ |
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{ "glBlendEquationEXT", glBlendEquationEXT }, |
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/* GL_EXT_blend_color */ |
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{ "glBlendColorEXT", glBlendColorEXT }, |
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/* GL_EXT_polygon_offset */ |
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{ "glPolygonOffsetEXT", glPolygonOffsetEXT }, |
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/* GL_EXT_vertex_arrays */ |
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{ "glVertexPointerEXT", glVertexPointerEXT }, |
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{ "glNormalPointerEXT", glNormalPointerEXT }, |
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{ "glColorPointerEXT", glColorPointerEXT }, |
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{ "glIndexPointerEXT", glIndexPointerEXT }, |
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{ "glTexCoordPointerEXT", glTexCoordPointerEXT }, |
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{ "glEdgeFlagPointerEXT", glEdgeFlagPointerEXT }, |
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{ "glGetPointervEXT", glGetPointervEXT }, |
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{ "glArrayElementEXT", glArrayElementEXT }, |
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{ "glDrawArraysEXT", glDrawArraysEXT }, |
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/* GL_EXT_texture_object */ |
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{ "glGenTexturesEXT", glGenTexturesEXT }, |
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{ "glDeleteTexturesEXT", glDeleteTexturesEXT }, |
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{ "glBindTextureEXT", glBindTextureEXT }, |
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{ "glPrioritizeTexturesEXT", glPrioritizeTexturesEXT }, |
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{ "glAreTexturesResidentEXT", glAreTexturesResidentEXT }, |
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{ "glIsTextureEXT", glIsTextureEXT }, |
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/* GL_EXT_texture3D */ |
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{ "glTexImage3DEXT", glTexImage3DEXT }, |
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{ "glTexSubImage3DEXT", glTexSubImage3DEXT }, |
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{ "glCopyTexSubImage3DEXT", glCopyTexSubImage3DEXT }, |
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/* GL_EXT_color_table */ |
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{ "glColorTableEXT", glColorTableEXT }, |
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{ "glColorSubTableEXT", glColorSubTableEXT }, |
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{ "glGetColorTableEXT", glGetColorTableEXT }, |
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{ "glGetColorTableParameterfvEXT", glGetColorTableParameterfvEXT }, |
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{ "glGetColorTableParameterivEXT", glGetColorTableParameterivEXT }, |
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/* GL_ARB_multitexture */ |
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{ "glActiveTextureARB", glActiveTextureARB }, |
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{ "glClientActiveTextureARB", glClientActiveTextureARB }, |
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{ "glMultiTexCoord1dARB", glMultiTexCoord1dARB }, |
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{ "glMultiTexCoord1dvARB", glMultiTexCoord1dvARB }, |
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{ "glMultiTexCoord1fARB", glMultiTexCoord1fARB }, |
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{ "glMultiTexCoord1fvARB", glMultiTexCoord1fvARB }, |
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{ "glMultiTexCoord1iARB", glMultiTexCoord1iARB }, |
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{ "glMultiTexCoord1ivARB", glMultiTexCoord1ivARB }, |
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{ "glMultiTexCoord1sARB", glMultiTexCoord1sARB }, |
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{ "glMultiTexCoord1svARB", glMultiTexCoord1svARB }, |
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{ "glMultiTexCoord2dARB", glMultiTexCoord2dARB }, |
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{ "glMultiTexCoord2dvARB", glMultiTexCoord2dvARB }, |
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{ "glMultiTexCoord2fARB", glMultiTexCoord2fARB }, |
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{ "glMultiTexCoord2fvARB", glMultiTexCoord2fvARB }, |
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{ "glMultiTexCoord2iARB", glMultiTexCoord2iARB }, |
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{ "glMultiTexCoord2ivARB", glMultiTexCoord2ivARB }, |
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{ "glMultiTexCoord2sARB", glMultiTexCoord2sARB }, |
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{ "glMultiTexCoord2svARB", glMultiTexCoord2svARB }, |
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{ "glMultiTexCoord3dARB", glMultiTexCoord3dARB }, |
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{ "glMultiTexCoord3dvARB", glMultiTexCoord3dvARB }, |
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{ "glMultiTexCoord3fARB", glMultiTexCoord3fARB }, |
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{ "glMultiTexCoord3fvARB", glMultiTexCoord3fvARB }, |
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{ "glMultiTexCoord3iARB", glMultiTexCoord3iARB }, |
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{ "glMultiTexCoord3ivARB", glMultiTexCoord3ivARB }, |
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{ "glMultiTexCoord3sARB", glMultiTexCoord3sARB }, |
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{ "glMultiTexCoord3svARB", glMultiTexCoord3svARB }, |
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{ "glMultiTexCoord4dARB", glMultiTexCoord4dARB }, |
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{ "glMultiTexCoord4dvARB", glMultiTexCoord4dvARB }, |
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{ "glMultiTexCoord4fARB", glMultiTexCoord4fARB }, |
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{ "glMultiTexCoord4fvARB", glMultiTexCoord4fvARB }, |
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{ "glMultiTexCoord4iARB", glMultiTexCoord4iARB }, |
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{ "glMultiTexCoord4ivARB", glMultiTexCoord4ivARB }, |
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{ "glMultiTexCoord4sARB", glMultiTexCoord4sARB }, |
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{ "glMultiTexCoord4svARB", glMultiTexCoord4svARB }, |
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/* GL_EXT_point_parameters */ |
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{ "glPointParameterfEXT", glPointParameterfEXT }, |
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{ "glPointParameterfvEXT", glPointParameterfvEXT }, |
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/* GL_INGR_blend_func_separate */ |
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{ "glBlendFuncSeparateINGR", glBlendFuncSeparateINGR }, |
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/* GL_MESA_window_pos */ |
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{ "glWindowPos2iMESA", glWindowPos2iMESA }, |
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{ "glWindowPos2sMESA", glWindowPos2sMESA }, |
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{ "glWindowPos2fMESA", glWindowPos2fMESA }, |
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{ "glWindowPos2dMESA", glWindowPos2dMESA }, |
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{ "glWindowPos2ivMESA", glWindowPos2ivMESA }, |
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{ "glWindowPos2svMESA", glWindowPos2svMESA }, |
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{ "glWindowPos2fvMESA", glWindowPos2fvMESA }, |
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{ "glWindowPos2dvMESA", glWindowPos2dvMESA }, |
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{ "glWindowPos3iMESA", glWindowPos3iMESA }, |
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{ "glWindowPos3sMESA", glWindowPos3sMESA }, |
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{ "glWindowPos3fMESA", glWindowPos3fMESA }, |
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{ "glWindowPos3dMESA", glWindowPos3dMESA }, |
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{ "glWindowPos3ivMESA", glWindowPos3ivMESA }, |
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{ "glWindowPos3svMESA", glWindowPos3svMESA }, |
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{ "glWindowPos3fvMESA", glWindowPos3fvMESA }, |
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{ "glWindowPos3dvMESA", glWindowPos3dvMESA }, |
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{ "glWindowPos4iMESA", glWindowPos4iMESA }, |
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{ "glWindowPos4sMESA", glWindowPos4sMESA }, |
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{ "glWindowPos4fMESA", glWindowPos4fMESA }, |
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{ "glWindowPos4dMESA", glWindowPos4dMESA }, |
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{ "glWindowPos4ivMESA", glWindowPos4ivMESA }, |
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{ "glWindowPos4svMESA", glWindowPos4svMESA }, |
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{ "glWindowPos4fvMESA", glWindowPos4fvMESA }, |
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{ "glWindowPos4dvMESA", glWindowPos4dvMESA }, |
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/* GL_MESA_resize_buffers */ |
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{ "glResizeBuffersMESA", glResizeBuffersMESA }, |
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/* GL_EXT_compiled_vertex_array */ |
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{ "glLockArraysEXT", glLockArraysEXT }, |
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{ "glUnlockArraysEXT", glUnlockArraysEXT }, |
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{ NULL, NULL } /* end of list token */ |
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}; |
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GLuint i; |
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ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH_WITH_RETVAL(ctx, "glGetProcAddressEXT", NULL); |
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/* First, look for core library functions */ |
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for (i = 0; procTable[i].address; i++) { |
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if (strcmp((const char *) procName, procTable[i].name) == 0) |
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return procTable[i].address; |
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} |
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return NULL; |
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} |
Brian Paul
26 лет назад