1 /*
2  * Mesa 3-D graphics library
3  * Version:  7.1
4  *
5  * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
6  *
7  * Permission is hereby granted, free of charge, to any person obtaining a
8  * copy of this software and associated documentation files (the "Software"),
9  * to deal in the Software without restriction, including without limitation
10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
11  * and/or sell copies of the Software, and to permit persons to whom the
12  * Software is furnished to do so, subject to the following conditions:
13  *
14  * The above copyright notice and this permission notice shall be included
15  * in all copies or substantial portions of the Software.
16  *
17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
20  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
21  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
22  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23  */
24 
25 
26 /**
27  * \file api_exec.c
28  * Initialize dispatch table with the immidiate mode functions.
29  */
30 
31 
32 #include "mfeatures.h"
33 #include "accum.h"
34 #include "api_loopback.h"
35 #include "api_exec.h"
36 #if FEATURE_ARB_vertex_program || FEATURE_ARB_fragment_program
37 #include "arbprogram.h"
38 #endif
39 #include "atifragshader.h"
40 #include "attrib.h"
41 #include "blend.h"
42 #include "bufferobj.h"
43 #include "arrayobj.h"
44 #if FEATURE_draw_read_buffer
45 #include "buffers.h"
46 #endif
47 #include "clear.h"
48 #include "clip.h"
49 #include "colortab.h"
50 #include "condrender.h"
51 #include "context.h"
52 #include "convolve.h"
53 #include "depth.h"
54 #include "dlist.h"
55 #include "drawpix.h"
56 #include "rastpos.h"
57 #include "enable.h"
58 #include "errors.h"
59 #include "eval.h"
60 #include "get.h"
61 #include "feedback.h"
62 #include "fog.h"
63 #if FEATURE_EXT_framebuffer_object
64 #include "fbobject.h"
65 #endif
66 #include "framebuffer.h"
67 #include "hint.h"
68 #include "histogram.h"
69 #include "imports.h"
70 #include "light.h"
71 #include "lines.h"
72 #include "matrix.h"
73 #include "multisample.h"
74 #include "pixel.h"
75 #include "pixelstore.h"
76 #include "points.h"
77 #include "polygon.h"
78 #include "queryobj.h"
79 #include "readpix.h"
80 #if FEATURE_ARB_sampler_objects
81 #include "samplerobj.h"
82 #endif
83 #include "scissor.h"
84 #include "stencil.h"
85 #include "texenv.h"
86 #include "texgetimage.h"
87 #include "teximage.h"
88 #include "texgen.h"
89 #include "texobj.h"
90 #include "texparam.h"
91 #include "texstate.h"
92 #include "texstorage.h"
93 #include "texturebarrier.h"
94 #include "transformfeedback.h"
95 #include "mtypes.h"
96 #include "varray.h"
97 #include "viewport.h"
98 #if FEATURE_NV_vertex_program || FEATURE_NV_fragment_program
99 #include "nvprogram.h"
100 #endif
101 #if FEATURE_ARB_shader_objects
102 #include "shaderapi.h"
103 #include "uniforms.h"
104 #endif
105 #include "syncobj.h"
106 #include "main/dispatch.h"
107 
108 
109 #if FEATURE_GL || FEATURE_ES2
110 
111 
112 /**
113  * Initialize a dispatch table with pointers to Mesa's immediate-mode
114  * commands.
115  *
116  * Pointers to glBegin()/glEnd() object commands and a few others
117  * are provided via the GLvertexformat interface.
118  *
119  * \param ctx  GL context to which \c exec belongs.
120  * \param exec dispatch table.
121  */
122 struct _glapi_table *
_mesa_create_exec_table(struct gl_context * ctx)123 _mesa_create_exec_table(struct gl_context *ctx)
124 {
125    struct _glapi_table *exec;
126 
127    exec = _mesa_alloc_dispatch_table(_gloffset_COUNT);
128    if (exec == NULL)
129       return NULL;
130 
131 #if _HAVE_FULL_GL
132    _mesa_loopback_init_api_table(ctx, exec);
133 #endif
134 
135    /* load the dispatch slots we understand */
136    if (ctx->API != API_OPENGL_CORE && ctx->API != API_OPENGLES2) {
137       SET_AlphaFunc(exec, _mesa_AlphaFunc);
138    }
139 
140    SET_BlendFunc(exec, _mesa_BlendFunc);
141    SET_Clear(exec, _mesa_Clear);
142    SET_ClearColor(exec, _mesa_ClearColor);
143    SET_ClearStencil(exec, _mesa_ClearStencil);
144    SET_ColorMask(exec, _mesa_ColorMask);
145    SET_CullFace(exec, _mesa_CullFace);
146    SET_Disable(exec, _mesa_Disable);
147 #if FEATURE_draw_read_buffer
148    if (ctx->API == API_OPENGL || ctx->API == API_OPENGL_CORE)
149       SET_DrawBuffer(exec, _mesa_DrawBuffer);
150 
151    SET_ReadBuffer(exec, _mesa_ReadBuffer);
152 #endif
153    SET_Enable(exec, _mesa_Enable);
154    SET_Finish(exec, _mesa_Finish);
155    SET_Flush(exec, _mesa_Flush);
156    SET_FrontFace(exec, _mesa_FrontFace);
157    if (ctx->API != API_OPENGL_CORE && ctx->API != API_OPENGLES2) {
158       SET_Frustum(exec, _mesa_Frustum);
159    }
160    SET_GetError(exec, _mesa_GetError);
161    SET_GetFloatv(exec, _mesa_GetFloatv);
162    SET_GetString(exec, _mesa_GetString);
163    if (ctx->API == API_OPENGL) {
164       SET_LineStipple(exec, _mesa_LineStipple);
165    }
166    SET_LineWidth(exec, _mesa_LineWidth);
167    if (ctx->API != API_OPENGL_CORE && ctx->API != API_OPENGLES2) {
168       SET_LoadIdentity(exec, _mesa_LoadIdentity);
169       SET_LoadMatrixf(exec, _mesa_LoadMatrixf);
170    }
171    if (ctx->API != API_OPENGLES2) {
172       SET_LogicOp(exec, _mesa_LogicOp);
173    }
174    if (ctx->API != API_OPENGL_CORE && ctx->API != API_OPENGLES2) {
175       SET_MatrixMode(exec, _mesa_MatrixMode);
176       SET_MultMatrixf(exec, _mesa_MultMatrixf);
177       SET_Ortho(exec, _mesa_Ortho);
178    }
179    SET_PixelStorei(exec, _mesa_PixelStorei);
180    if (ctx->API != API_OPENGL_CORE && ctx->API != API_OPENGLES2) {
181       SET_PopMatrix(exec, _mesa_PopMatrix);
182       SET_PushMatrix(exec, _mesa_PushMatrix);
183       SET_Rotatef(exec, _mesa_Rotatef);
184       SET_Scalef(exec, _mesa_Scalef);
185    }
186    SET_Scissor(exec, _mesa_Scissor);
187    if (ctx->API != API_OPENGL_CORE && ctx->API != API_OPENGLES2) {
188       SET_ShadeModel(exec, _mesa_ShadeModel);
189    }
190    SET_StencilFunc(exec, _mesa_StencilFunc);
191    SET_StencilMask(exec, _mesa_StencilMask);
192    SET_StencilOp(exec, _mesa_StencilOp);
193    if (ctx->API != API_OPENGL_CORE && ctx->API != API_OPENGLES2) {
194       SET_TexEnvfv(exec, _mesa_TexEnvfv);
195       SET_TexEnvi(exec, _mesa_TexEnvi);
196    }
197    SET_TexImage2D(exec, _mesa_TexImage2D);
198    SET_TexParameteri(exec, _mesa_TexParameteri);
199    if (ctx->API != API_OPENGL_CORE && ctx->API != API_OPENGLES2) {
200       SET_Translatef(exec, _mesa_Translatef);
201    }
202    SET_Viewport(exec, _mesa_Viewport);
203 
204    if (ctx->API == API_OPENGL) {
205       _mesa_init_accum_dispatch(exec);
206       _mesa_init_dlist_dispatch(exec);
207    }
208 
209    if (ctx->API != API_OPENGLES2) {
210       SET_ClearDepth(exec, _mesa_ClearDepth);
211    }
212 
213    if (ctx->API == API_OPENGL) {
214       SET_ClearIndex(exec, _mesa_ClearIndex);
215       SET_ClipPlane(exec, _mesa_ClipPlane);
216       SET_ColorMaterial(exec, _mesa_ColorMaterial);
217    }
218    SET_DepthFunc(exec, _mesa_DepthFunc);
219    SET_DepthMask(exec, _mesa_DepthMask);
220 
221    if (ctx->API != API_OPENGLES2) {
222       SET_DepthRange(exec, _mesa_DepthRange);
223    }
224 
225    if (ctx->API != API_OPENGLES2 && ctx->API != API_OPENGL_CORE) {
226       _mesa_init_drawpix_dispatch(exec);
227    }
228    if (ctx->API == API_OPENGL) {
229       _mesa_init_feedback_dispatch(exec);
230    }
231 
232    if (ctx->API == API_OPENGL) {
233       SET_FogCoordPointerEXT(exec, _mesa_FogCoordPointerEXT);
234       SET_Fogf(exec, _mesa_Fogf);
235       SET_Fogfv(exec, _mesa_Fogfv);
236       SET_Fogi(exec, _mesa_Fogi);
237       SET_Fogiv(exec, _mesa_Fogiv);
238       SET_GetClipPlane(exec, _mesa_GetClipPlane);
239    }
240    SET_GetBooleanv(exec, _mesa_GetBooleanv);
241    if (ctx->API != API_OPENGLES2) {
242       SET_GetDoublev(exec, _mesa_GetDoublev);
243    }
244    SET_GetIntegerv(exec, _mesa_GetIntegerv);
245    if (ctx->API != API_OPENGL_CORE && ctx->API != API_OPENGLES2) {
246       SET_GetLightfv(exec, _mesa_GetLightfv);
247       SET_GetLightiv(exec, _mesa_GetLightiv);
248       SET_GetMaterialfv(exec, _mesa_GetMaterialfv);
249       SET_GetMaterialiv(exec, _mesa_GetMaterialiv);
250       SET_GetPolygonStipple(exec, _mesa_GetPolygonStipple);
251       SET_GetTexEnvfv(exec, _mesa_GetTexEnvfv);
252       SET_GetTexEnviv(exec, _mesa_GetTexEnviv);
253    }
254    if (ctx->API != API_OPENGLES2) {
255       SET_GetTexLevelParameterfv(exec, _mesa_GetTexLevelParameterfv);
256       SET_GetTexLevelParameteriv(exec, _mesa_GetTexLevelParameteriv);
257    }
258    SET_GetTexParameterfv(exec, _mesa_GetTexParameterfv);
259    SET_GetTexParameteriv(exec, _mesa_GetTexParameteriv);
260    if (ctx->API != API_OPENGLES2) {
261       SET_GetTexImage(exec, _mesa_GetTexImage);
262    }
263    SET_Hint(exec, _mesa_Hint);
264    if (ctx->API == API_OPENGL) {
265       SET_IndexMask(exec, _mesa_IndexMask);
266    }
267    SET_IsEnabled(exec, _mesa_IsEnabled);
268    if (ctx->API != API_OPENGL_CORE && ctx->API != API_OPENGLES2) {
269       SET_LightModelf(exec, _mesa_LightModelf);
270       SET_LightModelfv(exec, _mesa_LightModelfv);
271       SET_LightModeli(exec, _mesa_LightModeli);
272       SET_LightModeliv(exec, _mesa_LightModeliv);
273       SET_Lightf(exec, _mesa_Lightf);
274       SET_Lightfv(exec, _mesa_Lightfv);
275       SET_Lighti(exec, _mesa_Lighti);
276       SET_Lightiv(exec, _mesa_Lightiv);
277       SET_LoadMatrixd(exec, _mesa_LoadMatrixd);
278    }
279 
280    if (ctx->API == API_OPENGL) {
281       _mesa_init_eval_dispatch(exec);
282       SET_MultMatrixd(exec, _mesa_MultMatrixd);
283       _mesa_init_pixel_dispatch(exec);
284    }
285 
286    if (ctx->API != API_OPENGLES2) {
287       SET_PixelStoref(exec, _mesa_PixelStoref);
288 
289       SET_PointSize(exec, _mesa_PointSize);
290 
291       SET_PolygonMode(exec, _mesa_PolygonMode);
292    }
293 
294    SET_PolygonOffset(exec, _mesa_PolygonOffset);
295    if (ctx->API == API_OPENGL) {
296       SET_PolygonStipple(exec, _mesa_PolygonStipple);
297       _mesa_init_attrib_dispatch(exec);
298       _mesa_init_rastpos_dispatch(exec);
299    }
300 
301    SET_ReadPixels(exec, _mesa_ReadPixels);
302    if (ctx->API != API_OPENGL_CORE && ctx->API != API_OPENGLES2) {
303       SET_Rotated(exec, _mesa_Rotated);
304       SET_Scaled(exec, _mesa_Scaled);
305       SET_SecondaryColorPointerEXT(exec, _mesa_SecondaryColorPointerEXT);
306       SET_TexEnvf(exec, _mesa_TexEnvf);
307       SET_TexEnviv(exec, _mesa_TexEnviv);
308    }
309 
310    if (ctx->API != API_OPENGL_CORE && ctx->API != API_OPENGLES2) {
311       _mesa_init_texgen_dispatch(exec);
312    }
313 
314    if (ctx->API != API_OPENGLES2) {
315       SET_TexImage1D(exec, _mesa_TexImage1D);
316    }
317    SET_TexParameterf(exec, _mesa_TexParameterf);
318    SET_TexParameterfv(exec, _mesa_TexParameterfv);
319    SET_TexParameteriv(exec, _mesa_TexParameteriv);
320    if (ctx->API == API_OPENGL) {
321       SET_Translated(exec, _mesa_Translated);
322    }
323 
324    /* 1.1 */
325    SET_BindTexture(exec, _mesa_BindTexture);
326    SET_DeleteTextures(exec, _mesa_DeleteTextures);
327    SET_GenTextures(exec, _mesa_GenTextures);
328 #if _HAVE_FULL_GL
329    if (ctx->API == API_OPENGL) {
330       SET_AreTexturesResident(exec, _mesa_AreTexturesResident);
331       SET_ColorPointer(exec, _mesa_ColorPointer);
332    }
333    if (ctx->API != API_OPENGLES2) {
334       SET_CopyTexImage1D(exec, _mesa_CopyTexImage1D);
335       SET_CopyTexSubImage1D(exec, _mesa_CopyTexSubImage1D);
336       SET_TexSubImage1D(exec, _mesa_TexSubImage1D);
337    }
338 
339    SET_CopyTexImage2D(exec, _mesa_CopyTexImage2D);
340    SET_CopyTexSubImage2D(exec, _mesa_CopyTexSubImage2D);
341    SET_TexSubImage2D(exec, _mesa_TexSubImage2D);
342 
343    if (ctx->API != API_OPENGL_CORE && ctx->API != API_OPENGLES2) {
344       SET_DisableClientState(exec, _mesa_DisableClientState);
345       SET_EdgeFlagPointer(exec, _mesa_EdgeFlagPointer);
346       SET_EnableClientState(exec, _mesa_EnableClientState);
347       SET_GetPointerv(exec, _mesa_GetPointerv);
348       SET_IndexPointer(exec, _mesa_IndexPointer);
349       SET_InterleavedArrays(exec, _mesa_InterleavedArrays);
350    }
351    SET_IsTexture(exec, _mesa_IsTexture);
352    if (ctx->API != API_OPENGL_CORE && ctx->API != API_OPENGLES2) {
353       SET_NormalPointer(exec, _mesa_NormalPointer);
354       SET_PrioritizeTextures(exec, _mesa_PrioritizeTextures);
355       SET_TexCoordPointer(exec, _mesa_TexCoordPointer);
356       SET_VertexPointer(exec, _mesa_VertexPointer);
357    }
358 #endif
359 
360    /* 1.2 */
361 #if _HAVE_FULL_GL
362    SET_CopyTexSubImage3D(exec, _mesa_CopyTexSubImage3D);
363    SET_TexImage3D(exec, _mesa_TexImage3D);
364    SET_TexSubImage3D(exec, _mesa_TexSubImage3D);
365 #endif
366 
367    /* OpenGL 1.2  GL_ARB_imaging */
368    SET_BlendColor(exec, _mesa_BlendColor);
369    SET_BlendEquation(exec, _mesa_BlendEquation);
370    SET_BlendEquationSeparateEXT(exec, _mesa_BlendEquationSeparateEXT);
371 
372    if (ctx->API == API_OPENGL) {
373       _mesa_init_colortable_dispatch(exec);
374       _mesa_init_convolve_dispatch(exec);
375       _mesa_init_histogram_dispatch(exec);
376    }
377 
378    /* OpenGL 2.0 */
379    SET_StencilFuncSeparate(exec, _mesa_StencilFuncSeparate);
380    SET_StencilMaskSeparate(exec, _mesa_StencilMaskSeparate);
381    SET_StencilOpSeparate(exec, _mesa_StencilOpSeparate);
382 
383 #if FEATURE_ARB_shader_objects
384    _mesa_init_shader_dispatch(ctx, exec);
385    _mesa_init_shader_uniform_dispatch(ctx, exec);
386 #endif
387 
388    /* 2. GL_EXT_blend_color */
389 #if 0
390 /*    SET_BlendColorEXT(exec, _mesa_BlendColorEXT); */
391 #endif
392 
393    /* 3. GL_EXT_polygon_offset */
394 #if _HAVE_FULL_GL
395    if (ctx->API == API_OPENGL) {
396       SET_PolygonOffsetEXT(exec, _mesa_PolygonOffsetEXT);
397    }
398 #endif
399 
400    /* 6. GL_EXT_texture3d */
401 #if 0
402 /*    SET_CopyTexSubImage3DEXT(exec, _mesa_CopyTexSubImage3D); */
403 /*    SET_TexImage3DEXT(exec, _mesa_TexImage3DEXT); */
404 /*    SET_TexSubImage3DEXT(exec, _mesa_TexSubImage3D); */
405 #endif
406 
407    /* 11. GL_EXT_histogram */
408 #if 0
409    if (ctx->API == API_OPENGL) {
410       SET_GetHistogramEXT(exec, _mesa_GetHistogram);
411       SET_GetHistogramParameterfvEXT(exec, _mesa_GetHistogramParameterfv);
412       SET_GetHistogramParameterivEXT(exec, _mesa_GetHistogramParameteriv);
413       SET_GetMinmaxEXT(exec, _mesa_GetMinmax);
414       SET_GetMinmaxParameterfvEXT(exec, _mesa_GetMinmaxParameterfv);
415       SET_GetMinmaxParameterivEXT(exec, _mesa_GetMinmaxParameteriv);
416    }
417 #endif
418 
419    /* 14. SGI_color_table */
420 #if 0
421    if (ctx->API == API_OPENGL) {
422       SET_ColorTableSGI(exec, _mesa_ColorTable);
423       SET_ColorSubTableSGI(exec, _mesa_ColorSubTable);
424       SET_GetColorTableSGI(exec, _mesa_GetColorTable);
425       SET_GetColorTableParameterfvSGI(exec, _mesa_GetColorTableParameterfv);
426       SET_GetColorTableParameterivSGI(exec, _mesa_GetColorTableParameteriv);
427    }
428 #endif
429 
430    /* 30. GL_EXT_vertex_array */
431 #if _HAVE_FULL_GL
432    if (ctx->API == API_OPENGL) {
433       SET_ColorPointerEXT(exec, _mesa_ColorPointerEXT);
434       SET_EdgeFlagPointerEXT(exec, _mesa_EdgeFlagPointerEXT);
435       SET_IndexPointerEXT(exec, _mesa_IndexPointerEXT);
436       SET_NormalPointerEXT(exec, _mesa_NormalPointerEXT);
437       SET_TexCoordPointerEXT(exec, _mesa_TexCoordPointerEXT);
438       SET_VertexPointerEXT(exec, _mesa_VertexPointerEXT);
439    }
440 #endif
441 
442    /* 37. GL_EXT_blend_minmax */
443 #if 0
444    SET_BlendEquationEXT(exec, _mesa_BlendEquationEXT);
445 #endif
446 
447    /* 54. GL_EXT_point_parameters */
448 #if _HAVE_FULL_GL
449    if (ctx->API != API_OPENGLES2) {
450       SET_PointParameterfEXT(exec, _mesa_PointParameterf);
451       SET_PointParameterfvEXT(exec, _mesa_PointParameterfv);
452    }
453 #endif
454 
455    /* 95. GL_ARB_ES2_compatibility */
456    SET_ClearDepthf(exec, _mesa_ClearDepthf);
457    SET_DepthRangef(exec, _mesa_DepthRangef);
458 
459    /* 97. GL_EXT_compiled_vertex_array */
460 #if _HAVE_FULL_GL
461    if (ctx->API == API_OPENGL) {
462       SET_LockArraysEXT(exec, _mesa_LockArraysEXT);
463       SET_UnlockArraysEXT(exec, _mesa_UnlockArraysEXT);
464    }
465 #endif
466 
467    /* 148. GL_EXT_multi_draw_arrays */
468 #if _HAVE_FULL_GL
469    SET_MultiDrawArraysEXT(exec, _mesa_MultiDrawArraysEXT);
470 #endif
471 
472    /* 173. GL_INGR_blend_func_separate */
473 #if _HAVE_FULL_GL
474    SET_BlendFuncSeparateEXT(exec, _mesa_BlendFuncSeparateEXT);
475 #endif
476 
477    /* 196. GL_MESA_resize_buffers */
478 #if _HAVE_FULL_GL
479    if (_mesa_is_desktop_gl(ctx)) {
480       SET_ResizeBuffersMESA(exec, _mesa_ResizeBuffersMESA);
481    }
482 #endif
483 
484    /* 197. GL_MESA_window_pos */
485    /* part of _mesa_init_rastpos_dispatch(exec); */
486 
487    /* 200. GL_IBM_multimode_draw_arrays */
488 #if _HAVE_FULL_GL
489    if (ctx->API != API_OPENGLES2) {
490       SET_MultiModeDrawArraysIBM(exec, _mesa_MultiModeDrawArraysIBM);
491       SET_MultiModeDrawElementsIBM(exec, _mesa_MultiModeDrawElementsIBM);
492    }
493 #endif
494 
495    /* 233. GL_NV_vertex_program */
496 #if FEATURE_NV_vertex_program
497    if (ctx->API == API_OPENGL) {
498       SET_BindProgramNV(exec, _mesa_BindProgram);
499       SET_DeleteProgramsNV(exec, _mesa_DeletePrograms);
500       SET_ExecuteProgramNV(exec, _mesa_ExecuteProgramNV);
501       SET_GenProgramsNV(exec, _mesa_GenPrograms);
502       SET_AreProgramsResidentNV(exec, _mesa_AreProgramsResidentNV);
503       SET_RequestResidentProgramsNV(exec, _mesa_RequestResidentProgramsNV);
504       SET_GetProgramParameterfvNV(exec, _mesa_GetProgramParameterfvNV);
505       SET_GetProgramParameterdvNV(exec, _mesa_GetProgramParameterdvNV);
506       SET_GetProgramivNV(exec, _mesa_GetProgramivNV);
507       SET_GetProgramStringNV(exec, _mesa_GetProgramStringNV);
508       SET_GetTrackMatrixivNV(exec, _mesa_GetTrackMatrixivNV);
509       SET_GetVertexAttribdvNV(exec, _mesa_GetVertexAttribdvNV);
510       SET_GetVertexAttribfvNV(exec, _mesa_GetVertexAttribfvNV);
511       SET_GetVertexAttribivNV(exec, _mesa_GetVertexAttribivNV);
512       SET_IsProgramNV(exec, _mesa_IsProgramARB);
513       SET_LoadProgramNV(exec, _mesa_LoadProgramNV);
514       SET_ProgramEnvParameter4dARB(exec, _mesa_ProgramEnvParameter4dARB); /* alias to ProgramParameter4dNV */
515       SET_ProgramEnvParameter4dvARB(exec, _mesa_ProgramEnvParameter4dvARB);  /* alias to ProgramParameter4dvNV */
516       SET_ProgramEnvParameter4fARB(exec, _mesa_ProgramEnvParameter4fARB);  /* alias to ProgramParameter4fNV */
517       SET_ProgramEnvParameter4fvARB(exec, _mesa_ProgramEnvParameter4fvARB);  /* alias to ProgramParameter4fvNV */
518       SET_ProgramParameters4dvNV(exec, _mesa_ProgramParameters4dvNV);
519       SET_ProgramParameters4fvNV(exec, _mesa_ProgramParameters4fvNV);
520       SET_TrackMatrixNV(exec, _mesa_TrackMatrixNV);
521       SET_VertexAttribPointerNV(exec, _mesa_VertexAttribPointerNV);
522       /* glVertexAttrib*NV functions handled in api_loopback.c */
523    }
524 #endif
525    SET_GetVertexAttribPointervNV(exec, _mesa_GetVertexAttribPointervNV);
526 
527    /* 273. GL_APPLE_vertex_array_object */
528    if (ctx->API == API_OPENGL) {
529       SET_BindVertexArrayAPPLE(exec, _mesa_BindVertexArrayAPPLE);
530       SET_GenVertexArraysAPPLE(exec, _mesa_GenVertexArraysAPPLE);
531    }
532    /* Reused by ARB_vertex_array_object / OES_vertex_array_object */
533    SET_DeleteVertexArraysAPPLE(exec, _mesa_DeleteVertexArraysAPPLE);
534    SET_IsVertexArrayAPPLE(exec, _mesa_IsVertexArrayAPPLE);
535 
536    /* 282. GL_NV_fragment_program */
537 #if FEATURE_NV_fragment_program
538    if (ctx->API == API_OPENGL) {
539       SET_ProgramNamedParameter4fNV(exec, _mesa_ProgramNamedParameter4fNV);
540       SET_ProgramNamedParameter4dNV(exec, _mesa_ProgramNamedParameter4dNV);
541       SET_ProgramNamedParameter4fvNV(exec, _mesa_ProgramNamedParameter4fvNV);
542       SET_ProgramNamedParameter4dvNV(exec, _mesa_ProgramNamedParameter4dvNV);
543       SET_GetProgramNamedParameterfvNV(exec, _mesa_GetProgramNamedParameterfvNV);
544       SET_GetProgramNamedParameterdvNV(exec, _mesa_GetProgramNamedParameterdvNV);
545       SET_ProgramLocalParameter4dARB(exec, _mesa_ProgramLocalParameter4dARB);
546       SET_ProgramLocalParameter4dvARB(exec, _mesa_ProgramLocalParameter4dvARB);
547       SET_ProgramLocalParameter4fARB(exec, _mesa_ProgramLocalParameter4fARB);
548       SET_ProgramLocalParameter4fvARB(exec, _mesa_ProgramLocalParameter4fvARB);
549       SET_GetProgramLocalParameterdvARB(exec, _mesa_GetProgramLocalParameterdvARB);
550       SET_GetProgramLocalParameterfvARB(exec, _mesa_GetProgramLocalParameterfvARB);
551    }
552 #endif
553 
554    /* 262. GL_NV_point_sprite */
555 #if _HAVE_FULL_GL
556    if (_mesa_is_desktop_gl(ctx)) {
557       SET_PointParameteriNV(exec, _mesa_PointParameteri);
558       SET_PointParameterivNV(exec, _mesa_PointParameteriv);
559    }
560 #endif
561 
562    /* 268. GL_EXT_stencil_two_side */
563 #if _HAVE_FULL_GL
564    if (ctx->API == API_OPENGL) {
565       SET_ActiveStencilFaceEXT(exec, _mesa_ActiveStencilFaceEXT);
566    }
567 #endif
568 
569    /* 285. GL_NV_primitive_restart */
570    if (ctx->API != API_OPENGLES2) {
571       SET_PrimitiveRestartIndexNV(exec, _mesa_PrimitiveRestartIndex);
572    }
573 
574    /* ???. GL_EXT_depth_bounds_test */
575    if (ctx->API != API_OPENGLES2) {
576       SET_DepthBoundsEXT(exec, _mesa_DepthBoundsEXT);
577    }
578 
579    /* 352. GL_EXT_transform_feedback */
580    /* ARB 93. GL_ARB_transform_feedback2 */
581    if (ctx->API != API_OPENGLES2) {
582       _mesa_init_transform_feedback_dispatch(exec);
583    }
584 
585    /* 364. GL_EXT_provoking_vertex */
586    if (ctx->API != API_OPENGLES2) {
587       SET_ProvokingVertexEXT(exec, _mesa_ProvokingVertexEXT);
588    }
589 
590    /* ARB 1. GL_ARB_multitexture */
591 #if _HAVE_FULL_GL
592    SET_ActiveTextureARB(exec, _mesa_ActiveTextureARB);
593    if (ctx->API != API_OPENGL_CORE && ctx->API != API_OPENGLES2) {
594       SET_ClientActiveTextureARB(exec, _mesa_ClientActiveTextureARB);
595    }
596 #endif
597 
598    /* ARB 3. GL_ARB_transpose_matrix */
599 #if _HAVE_FULL_GL
600    if (ctx->API == API_OPENGL) {
601       SET_LoadTransposeMatrixdARB(exec, _mesa_LoadTransposeMatrixdARB);
602       SET_LoadTransposeMatrixfARB(exec, _mesa_LoadTransposeMatrixfARB);
603       SET_MultTransposeMatrixdARB(exec, _mesa_MultTransposeMatrixdARB);
604       SET_MultTransposeMatrixfARB(exec, _mesa_MultTransposeMatrixfARB);
605    }
606 #endif
607 
608    /* ARB 5. GL_ARB_multisample */
609 #if _HAVE_FULL_GL
610    SET_SampleCoverageARB(exec, _mesa_SampleCoverageARB);
611 #endif
612 
613    /* ARB 12. GL_ARB_texture_compression */
614 #if _HAVE_FULL_GL
615    if (ctx->API != API_OPENGLES2) {
616       SET_CompressedTexImage1DARB(exec, _mesa_CompressedTexImage1DARB);
617       SET_CompressedTexSubImage1DARB(exec, _mesa_CompressedTexSubImage1DARB);
618       SET_GetCompressedTexImageARB(exec, _mesa_GetCompressedTexImageARB);
619    }
620 
621    SET_CompressedTexImage3DARB(exec, _mesa_CompressedTexImage3DARB);
622    SET_CompressedTexImage2DARB(exec, _mesa_CompressedTexImage2DARB);
623    SET_CompressedTexSubImage3DARB(exec, _mesa_CompressedTexSubImage3DARB);
624    SET_CompressedTexSubImage2DARB(exec, _mesa_CompressedTexSubImage2DARB);
625 
626    /* ARB 104. GL_ARB_robustness */
627    if (ctx->API != API_OPENGLES2) {
628       SET_GetnCompressedTexImageARB(exec, _mesa_GetnCompressedTexImageARB);
629    }
630 #endif
631 
632    /* ARB 14. GL_ARB_point_parameters */
633    /* reuse EXT_point_parameters functions */
634 
635    /* ARB 26. GL_ARB_vertex_program */
636    /* ARB 27. GL_ARB_fragment_program */
637 #if FEATURE_ARB_vertex_program || FEATURE_ARB_fragment_program
638    /* glVertexAttrib1sARB aliases glVertexAttrib1sNV */
639    /* glVertexAttrib1fARB aliases glVertexAttrib1fNV */
640    /* glVertexAttrib1dARB aliases glVertexAttrib1dNV */
641    /* glVertexAttrib2sARB aliases glVertexAttrib2sNV */
642    /* glVertexAttrib2fARB aliases glVertexAttrib2fNV */
643    /* glVertexAttrib2dARB aliases glVertexAttrib2dNV */
644    /* glVertexAttrib3sARB aliases glVertexAttrib3sNV */
645    /* glVertexAttrib3fARB aliases glVertexAttrib3fNV */
646    /* glVertexAttrib3dARB aliases glVertexAttrib3dNV */
647    /* glVertexAttrib4sARB aliases glVertexAttrib4sNV */
648    /* glVertexAttrib4fARB aliases glVertexAttrib4fNV */
649    /* glVertexAttrib4dARB aliases glVertexAttrib4dNV */
650    /* glVertexAttrib4NubARB aliases glVertexAttrib4NubNV */
651    /* glVertexAttrib1svARB aliases glVertexAttrib1svNV */
652    /* glVertexAttrib1fvARB aliases glVertexAttrib1fvNV */
653    /* glVertexAttrib1dvARB aliases glVertexAttrib1dvNV */
654    /* glVertexAttrib2svARB aliases glVertexAttrib2svNV */
655    /* glVertexAttrib2fvARB aliases glVertexAttrib2fvNV */
656    /* glVertexAttrib2dvARB aliases glVertexAttrib2dvNV */
657    /* glVertexAttrib3svARB aliases glVertexAttrib3svNV */
658    /* glVertexAttrib3fvARB aliases glVertexAttrib3fvNV */
659    /* glVertexAttrib3dvARB aliases glVertexAttrib3dvNV */
660    /* glVertexAttrib4svARB aliases glVertexAttrib4svNV */
661    /* glVertexAttrib4fvARB aliases glVertexAttrib4fvNV */
662    /* glVertexAttrib4dvARB aliases glVertexAttrib4dvNV */
663    /* glVertexAttrib4NubvARB aliases glVertexAttrib4NubvNV */
664    /* glVertexAttrib4bvARB handled in api_loopback.c */
665    /* glVertexAttrib4ivARB handled in api_loopback.c */
666    /* glVertexAttrib4ubvARB handled in api_loopback.c */
667    /* glVertexAttrib4usvARB handled in api_loopback.c */
668    /* glVertexAttrib4uivARB handled in api_loopback.c */
669    /* glVertexAttrib4NbvARB handled in api_loopback.c */
670    /* glVertexAttrib4NsvARB handled in api_loopback.c */
671    /* glVertexAttrib4NivARB handled in api_loopback.c */
672    /* glVertexAttrib4NusvARB handled in api_loopback.c */
673    /* glVertexAttrib4NuivARB handled in api_loopback.c */
674    SET_VertexAttribPointerARB(exec, _mesa_VertexAttribPointerARB);
675    SET_EnableVertexAttribArrayARB(exec, _mesa_EnableVertexAttribArrayARB);
676    SET_DisableVertexAttribArrayARB(exec, _mesa_DisableVertexAttribArrayARB);
677    if (ctx->API != API_OPENGLES2) {
678       SET_ProgramStringARB(exec, _mesa_ProgramStringARB);
679       /* glBindProgramARB aliases glBindProgramNV */
680       /* glDeleteProgramsARB aliases glDeleteProgramsNV */
681       /* glGenProgramsARB aliases glGenProgramsNV */
682       /* glIsProgramARB aliases glIsProgramNV */
683       SET_GetVertexAttribdvARB(exec, _mesa_GetVertexAttribdvARB);
684    }
685 
686    SET_GetVertexAttribfvARB(exec, _mesa_GetVertexAttribfvARB);
687    SET_GetVertexAttribivARB(exec, _mesa_GetVertexAttribivARB);
688    /* glGetVertexAttribPointervARB aliases glGetVertexAttribPointervNV */
689    if (ctx->API == API_OPENGL) {
690       SET_ProgramEnvParameter4dARB(exec, _mesa_ProgramEnvParameter4dARB);
691       SET_ProgramEnvParameter4dvARB(exec, _mesa_ProgramEnvParameter4dvARB);
692       SET_ProgramEnvParameter4fARB(exec, _mesa_ProgramEnvParameter4fARB);
693       SET_ProgramEnvParameter4fvARB(exec, _mesa_ProgramEnvParameter4fvARB);
694       SET_ProgramLocalParameter4dARB(exec, _mesa_ProgramLocalParameter4dARB);
695       SET_ProgramLocalParameter4dvARB(exec, _mesa_ProgramLocalParameter4dvARB);
696       SET_ProgramLocalParameter4fARB(exec, _mesa_ProgramLocalParameter4fARB);
697       SET_ProgramLocalParameter4fvARB(exec, _mesa_ProgramLocalParameter4fvARB);
698       SET_GetProgramEnvParameterdvARB(exec, _mesa_GetProgramEnvParameterdvARB);
699       SET_GetProgramEnvParameterfvARB(exec, _mesa_GetProgramEnvParameterfvARB);
700       SET_GetProgramivARB(exec, _mesa_GetProgramivARB);
701       SET_GetProgramLocalParameterdvARB(exec, _mesa_GetProgramLocalParameterdvARB);
702       SET_GetProgramLocalParameterfvARB(exec, _mesa_GetProgramLocalParameterfvARB);
703       SET_GetProgramStringARB(exec, _mesa_GetProgramStringARB);
704    }
705 #endif
706 
707    /* ARB 28. GL_ARB_vertex_buffer_object */
708    _mesa_init_bufferobj_dispatch(ctx, exec);
709 
710    /* ARB 29. GL_ARB_occlusion_query */
711    if (ctx->API != API_OPENGLES2) {
712       _mesa_init_queryobj_dispatch(exec);
713    }
714 
715    /* ARB 37. GL_ARB_draw_buffers */
716 #if FEATURE_draw_read_buffer
717    SET_DrawBuffersARB(exec, _mesa_DrawBuffersARB);
718 #endif
719 
720    /* ARB 66. GL_ARB_sync */
721    if (ctx->API != API_OPENGLES2) {
722       _mesa_init_sync_dispatch(exec);
723    }
724 
725    /* ARB 104. GL_ARB_debug_output */
726    if (ctx->API != API_OPENGLES2) {
727       _mesa_init_errors_dispatch(exec);
728    }
729 
730    /* ARB 105. GL_ARB_robustness */
731    if (ctx->API != API_OPENGLES2) {
732       SET_GetGraphicsResetStatusARB(exec, _mesa_GetGraphicsResetStatusARB);
733       SET_GetnPolygonStippleARB(exec, _mesa_GetnPolygonStippleARB);
734       SET_GetnTexImageARB(exec, _mesa_GetnTexImageARB);
735       SET_ReadnPixelsARB(exec, _mesa_ReadnPixelsARB);
736    }
737 
738   /* GL_ATI_fragment_shader */
739    if (ctx->API == API_OPENGL) {
740       _mesa_init_ati_fragment_shader_dispatch(exec);
741    }
742 
743   /* GL_ATI_envmap_bumpmap */
744    if (ctx->API == API_OPENGL) {
745       SET_GetTexBumpParameterivATI(exec, _mesa_GetTexBumpParameterivATI);
746       SET_GetTexBumpParameterfvATI(exec, _mesa_GetTexBumpParameterfvATI);
747       SET_TexBumpParameterivATI(exec, _mesa_TexBumpParameterivATI);
748       SET_TexBumpParameterfvATI(exec, _mesa_TexBumpParameterfvATI);
749    }
750 
751 #if FEATURE_EXT_framebuffer_object
752    SET_IsRenderbufferEXT(exec, _mesa_IsRenderbufferEXT);
753    SET_BindRenderbufferEXT(exec, _mesa_BindRenderbufferEXT);
754    SET_DeleteRenderbuffersEXT(exec, _mesa_DeleteRenderbuffersEXT);
755    SET_GenRenderbuffersEXT(exec, _mesa_GenRenderbuffersEXT);
756    SET_RenderbufferStorageEXT(exec, _mesa_RenderbufferStorageEXT);
757    SET_GetRenderbufferParameterivEXT(exec, _mesa_GetRenderbufferParameterivEXT);
758    SET_IsFramebufferEXT(exec, _mesa_IsFramebufferEXT);
759    SET_BindFramebufferEXT(exec, _mesa_BindFramebufferEXT);
760    SET_DeleteFramebuffersEXT(exec, _mesa_DeleteFramebuffersEXT);
761    SET_GenFramebuffersEXT(exec, _mesa_GenFramebuffersEXT);
762    SET_CheckFramebufferStatusEXT(exec, _mesa_CheckFramebufferStatusEXT);
763    if (ctx->API != API_OPENGLES2) {
764       SET_FramebufferTexture1DEXT(exec, _mesa_FramebufferTexture1DEXT);
765    }
766    SET_FramebufferTexture2DEXT(exec, _mesa_FramebufferTexture2DEXT);
767    SET_FramebufferTexture3DEXT(exec, _mesa_FramebufferTexture3DEXT);
768    SET_FramebufferRenderbufferEXT(exec, _mesa_FramebufferRenderbufferEXT);
769    SET_GetFramebufferAttachmentParameterivEXT(exec, _mesa_GetFramebufferAttachmentParameterivEXT);
770    SET_GenerateMipmapEXT(exec, _mesa_GenerateMipmapEXT);
771 #endif
772 
773 #if FEATURE_EXT_framebuffer_blit
774    if (ctx->API != API_OPENGLES2) {
775       SET_BlitFramebufferEXT(exec, _mesa_BlitFramebufferEXT);
776    }
777 #endif
778 
779    /* GL_EXT_gpu_program_parameters */
780 #if FEATURE_ARB_vertex_program || FEATURE_ARB_fragment_program
781    if (ctx->API == API_OPENGL) {
782       SET_ProgramEnvParameters4fvEXT(exec, _mesa_ProgramEnvParameters4fvEXT);
783       SET_ProgramLocalParameters4fvEXT(exec, _mesa_ProgramLocalParameters4fvEXT);
784    }
785 #endif
786 
787    /* GL_MESA_texture_array / GL_EXT_texture_array */
788 #if FEATURE_EXT_framebuffer_object
789    if (ctx->API != API_OPENGLES2) {
790       SET_FramebufferTextureLayerEXT(exec, _mesa_FramebufferTextureLayerEXT);
791    }
792 #endif
793 
794    /* GL_ATI_separate_stencil */
795    if (ctx->API == API_OPENGL) {
796       SET_StencilFuncSeparateATI(exec, _mesa_StencilFuncSeparateATI);
797    }
798 
799 #if FEATURE_ARB_framebuffer_object
800    /* The ARB_fbo functions are the union of
801     * GL_EXT_fbo, GL_EXT_framebuffer_blit, GL_EXT_texture_array
802     */
803    if (ctx->API != API_OPENGLES2) {
804       SET_RenderbufferStorageMultisample(exec, _mesa_RenderbufferStorageMultisample);
805    }
806 #endif
807 
808 #if FEATURE_ARB_map_buffer_range
809    if (ctx->API != API_OPENGLES2) {
810       SET_MapBufferRange(exec, _mesa_MapBufferRange);
811       SET_FlushMappedBufferRange(exec, _mesa_FlushMappedBufferRange);
812    }
813 #endif
814 
815    /* GL_ARB_copy_buffer */
816    if (ctx->API != API_OPENGLES2) {
817       SET_CopyBufferSubData(exec, _mesa_CopyBufferSubData);
818    }
819 
820    /* GL_ARB_vertex_array_object / GL_OES_vertex_array_object */
821    SET_BindVertexArray(exec, _mesa_BindVertexArray);
822    SET_GenVertexArrays(exec, _mesa_GenVertexArrays);
823 
824    /* GL_EXT_draw_buffers2 */
825    if (_mesa_is_desktop_gl(ctx) || _mesa_is_gles3(ctx)) {
826       SET_ColorMaskIndexedEXT(exec, _mesa_ColorMaskIndexed);
827       SET_GetBooleanIndexedvEXT(exec, _mesa_GetBooleanIndexedv);
828       SET_GetIntegerIndexedvEXT(exec, _mesa_GetIntegerIndexedv);
829       SET_EnableIndexedEXT(exec, _mesa_EnableIndexed);
830       SET_DisableIndexedEXT(exec, _mesa_DisableIndexed);
831       SET_IsEnabledIndexedEXT(exec, _mesa_IsEnabledIndexed);
832    }
833 
834    /* GL_NV_conditional_render */
835    if (ctx->API != API_OPENGLES2) {
836       SET_BeginConditionalRenderNV(exec, _mesa_BeginConditionalRender);
837       SET_EndConditionalRenderNV(exec, _mesa_EndConditionalRender);
838    }
839 
840 #if FEATURE_OES_EGL_image
841    SET_EGLImageTargetTexture2DOES(exec, _mesa_EGLImageTargetTexture2DOES);
842    SET_EGLImageTargetRenderbufferStorageOES(exec, _mesa_EGLImageTargetRenderbufferStorageOES);
843 #endif
844 
845 #if FEATURE_APPLE_object_purgeable
846    if (ctx->API != API_OPENGLES2) {
847       SET_ObjectPurgeableAPPLE(exec, _mesa_ObjectPurgeableAPPLE);
848       SET_ObjectUnpurgeableAPPLE(exec, _mesa_ObjectUnpurgeableAPPLE);
849       SET_GetObjectParameterivAPPLE(exec, _mesa_GetObjectParameterivAPPLE);
850    }
851 #endif
852 
853 #if FEATURE_ARB_geometry_shader4
854    if (ctx->API != API_OPENGLES2) {
855       SET_FramebufferTextureARB(exec, _mesa_FramebufferTextureARB);
856       SET_FramebufferTextureFaceARB(exec, _mesa_FramebufferTextureFaceARB);
857    }
858 #endif
859 
860    if (ctx->API != API_OPENGLES2) {
861       SET_ClampColorARB(exec, _mesa_ClampColorARB);
862    }
863 
864    /* GL_EXT_texture_integer */
865    if (_mesa_is_desktop_gl(ctx) || _mesa_is_gles3(ctx)) {
866       SET_ClearColorIiEXT(exec, _mesa_ClearColorIiEXT);
867       SET_ClearColorIuiEXT(exec, _mesa_ClearColorIuiEXT);
868    }
869    if (ctx->API != API_OPENGLES2) {
870       SET_GetTexParameterIivEXT(exec, _mesa_GetTexParameterIiv);
871       SET_GetTexParameterIuivEXT(exec, _mesa_GetTexParameterIuiv);
872       SET_TexParameterIivEXT(exec, _mesa_TexParameterIiv);
873       SET_TexParameterIuivEXT(exec, _mesa_TexParameterIuiv);
874    }
875 
876    /* GL_EXT_gpu_shader4 / OpenGL 3.0 */
877    if (ctx->API != API_OPENGLES2) {
878       SET_GetVertexAttribIivEXT(exec, _mesa_GetVertexAttribIiv);
879       SET_GetVertexAttribIuivEXT(exec, _mesa_GetVertexAttribIuiv);
880       SET_VertexAttribIPointerEXT(exec, _mesa_VertexAttribIPointer);
881    }
882 
883    /* GL 3.0 (functions not covered by other extensions) */
884    if (ctx->API != API_OPENGLES2) {
885       SET_ClearBufferiv(exec, _mesa_ClearBufferiv);
886       SET_ClearBufferuiv(exec, _mesa_ClearBufferuiv);
887       SET_ClearBufferfv(exec, _mesa_ClearBufferfv);
888       SET_ClearBufferfi(exec, _mesa_ClearBufferfi);
889       SET_GetStringi(exec, _mesa_GetStringi);
890       SET_ClampColor(exec, _mesa_ClampColorARB);
891    }
892 
893    /* GL_ARB_instanced_arrays */
894    if (ctx->API != API_OPENGLES2) {
895       SET_VertexAttribDivisorARB(exec, _mesa_VertexAttribDivisor);
896    }
897 
898    /* GL_ARB_draw_buffer_blend */
899    if (ctx->API != API_OPENGLES2) {
900       SET_BlendFunciARB(exec, _mesa_BlendFunci);
901       SET_BlendFuncSeparateiARB(exec, _mesa_BlendFuncSeparatei);
902       SET_BlendEquationiARB(exec, _mesa_BlendEquationi);
903       SET_BlendEquationSeparateiARB(exec, _mesa_BlendEquationSeparatei);
904    }
905 
906    /* GL_NV_texture_barrier */
907    if (ctx->API != API_OPENGLES2) {
908       SET_TextureBarrierNV(exec, _mesa_TextureBarrierNV);
909    }
910 
911    /* GL_ARB_texture_buffer_object */
912    if (ctx->API != API_OPENGLES2) {
913       SET_TexBufferARB(exec, _mesa_TexBuffer);
914    }
915 
916    /* GL_ARB_texture_storage */
917    if (ctx->API != API_OPENGLES2) {
918       SET_TexStorage1D(exec, _mesa_TexStorage1D);
919       SET_TextureStorage1DEXT(exec, _mesa_TextureStorage1DEXT);
920    }
921    if (_mesa_is_desktop_gl(ctx) || _mesa_is_gles3(ctx)) {
922       SET_TexStorage2D(exec, _mesa_TexStorage2D);
923       SET_TexStorage3D(exec, _mesa_TexStorage3D);
924       SET_TextureStorage2DEXT(exec, _mesa_TextureStorage2DEXT);
925       SET_TextureStorage3DEXT(exec, _mesa_TextureStorage3DEXT);
926    }
927 
928 #if FEATURE_ARB_sampler_objects
929    if (ctx->API != API_OPENGLES2) {
930       _mesa_init_sampler_object_dispatch(exec);
931    }
932 #endif
933 
934    if (_mesa_is_desktop_gl(ctx)) {
935       SET_InvalidateTexSubImage(exec, _mesa_InvalidateTexSubImage);
936       SET_InvalidateTexImage(exec, _mesa_InvalidateTexImage);
937    }
938 
939    if (_mesa_is_desktop_gl(ctx) || _mesa_is_gles3(ctx)) {
940       SET_InvalidateSubFramebuffer(exec, _mesa_InvalidateSubFramebuffer);
941       SET_InvalidateFramebuffer(exec, _mesa_InvalidateFramebuffer);
942    }
943 
944    return exec;
945 }
946 
947 #endif /* FEATURE_GL || FEATURE_ES2 */
948