src/mesa/main/api_exec.c

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