src/mesa/main/state.c

   1 /*
   2  * Mesa 3-D graphics library
   3  * Version:  6.3
   4  *
   5  * Copyright (C) 1999-2005  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 state.c
  28  * State management.
  29  *
  30  * This file manages recalculation of derived values in the __GLcontextRec.
  31  * Also, this is where we initialize the API dispatch table.
  32  */
  33
  34 #include "glheader.h"
  35 #include "accum.h"
  36 #include "api_loopback.h"
  37 #if FEATURE_ARB_vertex_program || FEATURE_ARB_fragment_program
  38 #include "arbprogram.h"
  39 #endif
  40 #if FEATURE_ATI_fragment_shader
  41 #include "atifragshader.h"
  42 #endif
  43 #include "attrib.h"
  44 #include "blend.h"
  45 #if FEATURE_ARB_vertex_buffer_object
  46 #include "bufferobj.h"
  47 #endif
  48 #include "buffers.h"
  49 #include "clip.h"
  50 #include "colortab.h"
  51 #include "context.h"
  52 #include "convolve.h"
  53 #include "depth.h"
  54 #include "dlist.h"
  55 #include "drawpix.h"
  56 #include "enable.h"
  57 #include "eval.h"
  58 #include "get.h"
  59 #include "feedback.h"
  60 #include "fog.h"
  61 #if FEATURE_EXT_framebuffer_object
  62 #include "fbobject.h"
  63 #endif
  64 #include "framebuffer.h"
  65 #include "hint.h"
  66 #include "histogram.h"
  67 #include "imports.h"
  68 #include "light.h"
  69 #include "lines.h"
  70 #include "macros.h"
  71 #include "matrix.h"
  72 #if FEATURE_ARB_occlusion_query
  73 #include "occlude.h"
  74 #endif
  75 #include "pixel.h"
  76 #include "points.h"
  77 #include "polygon.h"
  78 #include "rastpos.h"
  79 #include "state.h"
  80 #include "stencil.h"
  81 #include "teximage.h"
  82 #include "texobj.h"
  83 #include "texstate.h"
  84 #include "mtypes.h"
  85 #include "varray.h"
  86 #if FEATURE_NV_vertex_program
  87 #include "nvprogram.h"
  88 #endif
  89 #if FEATURE_NV_fragment_program
  90 #include "nvfragprog.h"
  91 #include "nvprogram.h"
  92 #include "program.h"
  93 #endif
  94 #if FEATURE_ARB_shader_objects
  95 #include "shaderobjects.h"
  96 #endif
  97 #include "debug.h"
  98
  99
 100
 101 /**
 102  * Initialize a dispatch table with pointers to Mesa's immediate-mode
 103  * commands.
 104  *
 105  * Pointers to glBegin()/glEnd() object commands and a few others
 106  * are provided via the GLvertexformat interface.
 107  *
 108  * \param exec dispatch table.
 109  * \param tableSize dispatch table size.
 110  */
 111 void
 112 _mesa_init_exec_table(struct _glapi_table *exec)
 113 {
 114 #if _HAVE_FULL_GL
 115    _mesa_loopback_init_api_table( exec );
 116 #endif
 117
 118    /* load the dispatch slots we understand */
 119    exec->AlphaFunc = _mesa_AlphaFunc;
 120    exec->BlendFunc = _mesa_BlendFunc;
 121    exec->Clear = _mesa_Clear;
 122    exec->ClearColor = _mesa_ClearColor;
 123    exec->ClearStencil = _mesa_ClearStencil;
 124    exec->ColorMask = _mesa_ColorMask;
 125    exec->CullFace = _mesa_CullFace;
 126    exec->Disable = _mesa_Disable;
 127    exec->DrawBuffer = _mesa_DrawBuffer;
 128    exec->Enable = _mesa_Enable;
 129    exec->Finish = _mesa_Finish;
 130    exec->Flush = _mesa_Flush;
 131    exec->FrontFace = _mesa_FrontFace;
 132    exec->Frustum = _mesa_Frustum;
 133    exec->GetError = _mesa_GetError;
 134    exec->GetFloatv = _mesa_GetFloatv;
 135    exec->GetString = _mesa_GetString;
 136    exec->InitNames = _mesa_InitNames;
 137    exec->LineStipple = _mesa_LineStipple;
 138    exec->LineWidth = _mesa_LineWidth;
 139    exec->LoadIdentity = _mesa_LoadIdentity;
 140    exec->LoadMatrixf = _mesa_LoadMatrixf;
 141    exec->LoadName = _mesa_LoadName;
 142    exec->LogicOp = _mesa_LogicOp;
 143    exec->MatrixMode = _mesa_MatrixMode;
 144    exec->MultMatrixf = _mesa_MultMatrixf;
 145    exec->Ortho = _mesa_Ortho;
 146    exec->PixelStorei = _mesa_PixelStorei;
 147    exec->PopMatrix = _mesa_PopMatrix;
 148    exec->PopName = _mesa_PopName;
 149    exec->PushMatrix = _mesa_PushMatrix;
 150    exec->PushName = _mesa_PushName;
 151    exec->RasterPos2f = _mesa_RasterPos2f;
 152    exec->RasterPos2fv = _mesa_RasterPos2fv;
 153    exec->RasterPos2i = _mesa_RasterPos2i;
 154    exec->RasterPos2iv = _mesa_RasterPos2iv;
 155    exec->ReadBuffer = _mesa_ReadBuffer;
 156    exec->RenderMode = _mesa_RenderMode;
 157    exec->Rotatef = _mesa_Rotatef;
 158    exec->Scalef = _mesa_Scalef;
 159    exec->Scissor = _mesa_Scissor;
 160    exec->SelectBuffer = _mesa_SelectBuffer;
 161    exec->ShadeModel = _mesa_ShadeModel;
 162    exec->StencilFunc = _mesa_StencilFunc;
 163    exec->StencilMask = _mesa_StencilMask;
 164    exec->StencilOp = _mesa_StencilOp;
 165    exec->TexEnvfv = _mesa_TexEnvfv;
 166    exec->TexEnvi = _mesa_TexEnvi;
 167    exec->TexImage2D = _mesa_TexImage2D;
 168    exec->TexParameteri = _mesa_TexParameteri;
 169    exec->Translatef = _mesa_Translatef;
 170    exec->Viewport = _mesa_Viewport;
 171 #if _HAVE_FULL_GL
 172    exec->Accum = _mesa_Accum;
 173    exec->Bitmap = _mesa_Bitmap;
 174    exec->CallList = _mesa_CallList;
 175    exec->CallLists = _mesa_CallLists;
 176    exec->ClearAccum = _mesa_ClearAccum;
 177    exec->ClearDepth = _mesa_ClearDepth;
 178    exec->ClearIndex = _mesa_ClearIndex;
 179    exec->ClipPlane = _mesa_ClipPlane;
 180    exec->ColorMaterial = _mesa_ColorMaterial;
 181    exec->CopyPixels = _mesa_CopyPixels;
 182    exec->CullParameterfvEXT = _mesa_CullParameterfvEXT;
 183    exec->CullParameterdvEXT = _mesa_CullParameterdvEXT;
 184    exec->DeleteLists = _mesa_DeleteLists;
 185    exec->DepthFunc = _mesa_DepthFunc;
 186    exec->DepthMask = _mesa_DepthMask;
 187    exec->DepthRange = _mesa_DepthRange;
 188    exec->DrawPixels = _mesa_DrawPixels;
 189    exec->EndList = _mesa_EndList;
 190    exec->FeedbackBuffer = _mesa_FeedbackBuffer;
 191    exec->FogCoordPointerEXT = _mesa_FogCoordPointerEXT;
 192    exec->Fogf = _mesa_Fogf;
 193    exec->Fogfv = _mesa_Fogfv;
 194    exec->Fogi = _mesa_Fogi;
 195    exec->Fogiv = _mesa_Fogiv;
 196    exec->GenLists = _mesa_GenLists;
 197    exec->GetClipPlane = _mesa_GetClipPlane;
 198    exec->GetBooleanv = _mesa_GetBooleanv;
 199    exec->GetDoublev = _mesa_GetDoublev;
 200    exec->GetIntegerv = _mesa_GetIntegerv;
 201    exec->GetLightfv = _mesa_GetLightfv;
 202    exec->GetLightiv = _mesa_GetLightiv;
 203    exec->GetMapdv = _mesa_GetMapdv;
 204    exec->GetMapfv = _mesa_GetMapfv;
 205    exec->GetMapiv = _mesa_GetMapiv;
 206    exec->GetMaterialfv = _mesa_GetMaterialfv;
 207    exec->GetMaterialiv = _mesa_GetMaterialiv;
 208    exec->GetPixelMapfv = _mesa_GetPixelMapfv;
 209    exec->GetPixelMapuiv = _mesa_GetPixelMapuiv;
 210    exec->GetPixelMapusv = _mesa_GetPixelMapusv;
 211    exec->GetPolygonStipple = _mesa_GetPolygonStipple;
 212    exec->GetTexEnvfv = _mesa_GetTexEnvfv;
 213    exec->GetTexEnviv = _mesa_GetTexEnviv;
 214    exec->GetTexLevelParameterfv = _mesa_GetTexLevelParameterfv;
 215    exec->GetTexLevelParameteriv = _mesa_GetTexLevelParameteriv;
 216    exec->GetTexParameterfv = _mesa_GetTexParameterfv;
 217    exec->GetTexParameteriv = _mesa_GetTexParameteriv;
 218    exec->GetTexGendv = _mesa_GetTexGendv;
 219    exec->GetTexGenfv = _mesa_GetTexGenfv;
 220    exec->GetTexGeniv = _mesa_GetTexGeniv;
 221    exec->GetTexImage = _mesa_GetTexImage;
 222    exec->Hint = _mesa_Hint;
 223    exec->IndexMask = _mesa_IndexMask;
 224    exec->IsEnabled = _mesa_IsEnabled;
 225    exec->IsList = _mesa_IsList;
 226    exec->LightModelf = _mesa_LightModelf;
 227    exec->LightModelfv = _mesa_LightModelfv;
 228    exec->LightModeli = _mesa_LightModeli;
 229    exec->LightModeliv = _mesa_LightModeliv;
 230    exec->Lightf = _mesa_Lightf;
 231    exec->Lightfv = _mesa_Lightfv;
 232    exec->Lighti = _mesa_Lighti;
 233    exec->Lightiv = _mesa_Lightiv;
 234    exec->ListBase = _mesa_ListBase;
 235    exec->LoadMatrixd = _mesa_LoadMatrixd;
 236    exec->Map1d = _mesa_Map1d;
 237    exec->Map1f = _mesa_Map1f;
 238    exec->Map2d = _mesa_Map2d;
 239    exec->Map2f = _mesa_Map2f;
 240    exec->MapGrid1d = _mesa_MapGrid1d;
 241    exec->MapGrid1f = _mesa_MapGrid1f;
 242    exec->MapGrid2d = _mesa_MapGrid2d;
 243    exec->MapGrid2f = _mesa_MapGrid2f;
 244    exec->MultMatrixd = _mesa_MultMatrixd;
 245    exec->NewList = _mesa_NewList;
 246    exec->PassThrough = _mesa_PassThrough;
 247    exec->PixelMapfv = _mesa_PixelMapfv;
 248    exec->PixelMapuiv = _mesa_PixelMapuiv;
 249    exec->PixelMapusv = _mesa_PixelMapusv;
 250    exec->PixelStoref = _mesa_PixelStoref;
 251    exec->PixelTransferf = _mesa_PixelTransferf;
 252    exec->PixelTransferi = _mesa_PixelTransferi;
 253    exec->PixelZoom = _mesa_PixelZoom;
 254    exec->PointSize = _mesa_PointSize;
 255    exec->PolygonMode = _mesa_PolygonMode;
 256    exec->PolygonOffset = _mesa_PolygonOffset;
 257    exec->PolygonStipple = _mesa_PolygonStipple;
 258    exec->PopAttrib = _mesa_PopAttrib;
 259    exec->PushAttrib = _mesa_PushAttrib;
 260    exec->RasterPos2d = _mesa_RasterPos2d;
 261    exec->RasterPos2dv = _mesa_RasterPos2dv;
 262    exec->RasterPos2s = _mesa_RasterPos2s;
 263    exec->RasterPos2sv = _mesa_RasterPos2sv;
 264    exec->RasterPos3d = _mesa_RasterPos3d;
 265    exec->RasterPos3dv = _mesa_RasterPos3dv;
 266    exec->RasterPos3f = _mesa_RasterPos3f;
 267    exec->RasterPos3fv = _mesa_RasterPos3fv;
 268    exec->RasterPos3i = _mesa_RasterPos3i;
 269    exec->RasterPos3iv = _mesa_RasterPos3iv;
 270    exec->RasterPos3s = _mesa_RasterPos3s;
 271    exec->RasterPos3sv = _mesa_RasterPos3sv;
 272    exec->RasterPos4d = _mesa_RasterPos4d;
 273    exec->RasterPos4dv = _mesa_RasterPos4dv;
 274    exec->RasterPos4f = _mesa_RasterPos4f;
 275    exec->RasterPos4fv = _mesa_RasterPos4fv;
 276    exec->RasterPos4i = _mesa_RasterPos4i;
 277    exec->RasterPos4iv = _mesa_RasterPos4iv;
 278    exec->RasterPos4s = _mesa_RasterPos4s;
 279    exec->RasterPos4sv = _mesa_RasterPos4sv;
 280    exec->ReadPixels = _mesa_ReadPixels;
 281    exec->Rotated = _mesa_Rotated;
 282    exec->Scaled = _mesa_Scaled;
 283    exec->SecondaryColorPointerEXT = _mesa_SecondaryColorPointerEXT;
 284    exec->TexEnvf = _mesa_TexEnvf;
 285    exec->TexEnviv = _mesa_TexEnviv;
 286    exec->TexGend = _mesa_TexGend;
 287    exec->TexGendv = _mesa_TexGendv;
 288    exec->TexGenf = _mesa_TexGenf;
 289    exec->TexGenfv = _mesa_TexGenfv;
 290    exec->TexGeni = _mesa_TexGeni;
 291    exec->TexGeniv = _mesa_TexGeniv;
 292    exec->TexImage1D = _mesa_TexImage1D;
 293    exec->TexParameterf = _mesa_TexParameterf;
 294    exec->TexParameterfv = _mesa_TexParameterfv;
 295    exec->TexParameteriv = _mesa_TexParameteriv;
 296    exec->Translated = _mesa_Translated;
 297 #endif
 298
 299    /* 1.1 */
 300    exec->BindTexture = _mesa_BindTexture;
 301    exec->DeleteTextures = _mesa_DeleteTextures;
 302    exec->GenTextures = _mesa_GenTextures;
 303 #if _HAVE_FULL_GL
 304    exec->AreTexturesResident = _mesa_AreTexturesResident;
 305    exec->AreTexturesResidentEXT = _mesa_AreTexturesResident;
 306    exec->ColorPointer = _mesa_ColorPointer;
 307    exec->CopyTexImage1D = _mesa_CopyTexImage1D;
 308    exec->CopyTexImage2D = _mesa_CopyTexImage2D;
 309    exec->CopyTexSubImage1D = _mesa_CopyTexSubImage1D;
 310    exec->CopyTexSubImage2D = _mesa_CopyTexSubImage2D;
 311    exec->DisableClientState = _mesa_DisableClientState;
 312    exec->EdgeFlagPointer = _mesa_EdgeFlagPointer;
 313    exec->EnableClientState = _mesa_EnableClientState;
 314    exec->GenTexturesEXT = _mesa_GenTextures;
 315    exec->GetPointerv = _mesa_GetPointerv;
 316    exec->IndexPointer = _mesa_IndexPointer;
 317    exec->InterleavedArrays = _mesa_InterleavedArrays;
 318    exec->IsTexture = _mesa_IsTexture;
 319    exec->IsTextureEXT = _mesa_IsTexture;
 320    exec->NormalPointer = _mesa_NormalPointer;
 321    exec->PopClientAttrib = _mesa_PopClientAttrib;
 322    exec->PrioritizeTextures = _mesa_PrioritizeTextures;
 323    exec->PushClientAttrib = _mesa_PushClientAttrib;
 324    exec->TexCoordPointer = _mesa_TexCoordPointer;
 325    exec->TexSubImage1D = _mesa_TexSubImage1D;
 326    exec->TexSubImage2D = _mesa_TexSubImage2D;
 327    exec->VertexPointer = _mesa_VertexPointer;
 328 #endif
 329
 330    /* 1.2 */
 331 #if _HAVE_FULL_GL
 332    exec->CopyTexSubImage3D = _mesa_CopyTexSubImage3D;
 333    exec->TexImage3D = _mesa_TexImage3D;
 334    exec->TexSubImage3D = _mesa_TexSubImage3D;
 335 #endif
 336
 337    /* OpenGL 1.2  GL_ARB_imaging */
 338 #if _HAVE_FULL_GL
 339    exec->BlendColor = _mesa_BlendColor;
 340    exec->BlendEquation = _mesa_BlendEquation;
 341    exec->BlendEquationSeparateEXT = _mesa_BlendEquationSeparateEXT;
 342    exec->ColorSubTable = _mesa_ColorSubTable;
 343    exec->ColorTable = _mesa_ColorTable;
 344    exec->ColorTableParameterfv = _mesa_ColorTableParameterfv;
 345    exec->ColorTableParameteriv = _mesa_ColorTableParameteriv;
 346    exec->ConvolutionFilter1D = _mesa_ConvolutionFilter1D;
 347    exec->ConvolutionFilter2D = _mesa_ConvolutionFilter2D;
 348    exec->ConvolutionParameterf = _mesa_ConvolutionParameterf;
 349    exec->ConvolutionParameterfv = _mesa_ConvolutionParameterfv;
 350    exec->ConvolutionParameteri = _mesa_ConvolutionParameteri;
 351    exec->ConvolutionParameteriv = _mesa_ConvolutionParameteriv;
 352    exec->CopyColorSubTable = _mesa_CopyColorSubTable;
 353    exec->CopyColorTable = _mesa_CopyColorTable;
 354    exec->CopyConvolutionFilter1D = _mesa_CopyConvolutionFilter1D;
 355    exec->CopyConvolutionFilter2D = _mesa_CopyConvolutionFilter2D;
 356    exec->GetColorTable = _mesa_GetColorTable;
 357    exec->GetColorTableEXT = _mesa_GetColorTable;
 358    exec->GetColorTableParameterfv = _mesa_GetColorTableParameterfv;
 359    exec->GetColorTableParameterfvEXT = _mesa_GetColorTableParameterfv;
 360    exec->GetColorTableParameteriv = _mesa_GetColorTableParameteriv;
 361    exec->GetColorTableParameterivEXT = _mesa_GetColorTableParameteriv;
 362    exec->GetConvolutionFilter = _mesa_GetConvolutionFilter;
 363    exec->GetConvolutionFilterEXT = _mesa_GetConvolutionFilter;
 364    exec->GetConvolutionParameterfv = _mesa_GetConvolutionParameterfv;
 365    exec->GetConvolutionParameterfvEXT = _mesa_GetConvolutionParameterfv;
 366    exec->GetConvolutionParameteriv = _mesa_GetConvolutionParameteriv;
 367    exec->GetConvolutionParameterivEXT = _mesa_GetConvolutionParameteriv;
 368    exec->GetHistogram = _mesa_GetHistogram;
 369    exec->GetHistogramEXT = _mesa_GetHistogram;
 370    exec->GetHistogramParameterfv = _mesa_GetHistogramParameterfv;
 371    exec->GetHistogramParameterfvEXT = _mesa_GetHistogramParameterfv;
 372    exec->GetHistogramParameteriv = _mesa_GetHistogramParameteriv;
 373    exec->GetHistogramParameterivEXT = _mesa_GetHistogramParameteriv;
 374    exec->GetMinmax = _mesa_GetMinmax;
 375    exec->GetMinmaxEXT = _mesa_GetMinmax;
 376    exec->GetMinmaxParameterfv = _mesa_GetMinmaxParameterfv;
 377    exec->GetMinmaxParameterfvEXT = _mesa_GetMinmaxParameterfv;
 378    exec->GetMinmaxParameteriv = _mesa_GetMinmaxParameteriv;
 379    exec->GetMinmaxParameterivEXT = _mesa_GetMinmaxParameteriv;
 380    exec->GetSeparableFilter = _mesa_GetSeparableFilter;
 381    exec->GetSeparableFilterEXT = _mesa_GetSeparableFilter;
 382    exec->Histogram = _mesa_Histogram;
 383    exec->Minmax = _mesa_Minmax;
 384    exec->ResetHistogram = _mesa_ResetHistogram;
 385    exec->ResetMinmax = _mesa_ResetMinmax;
 386    exec->SeparableFilter2D = _mesa_SeparableFilter2D;
 387 #endif
 388
 389    /* OpenGL 2.0 */
 390    exec->StencilFuncSeparate = _mesa_StencilFuncSeparate;
 391    exec->StencilMaskSeparate = _mesa_StencilMaskSeparate;
 392    exec->StencilOpSeparate = _mesa_StencilOpSeparate;
 393
 394    /* 2. GL_EXT_blend_color */
 395 #if 0
 396 /*    exec->BlendColorEXT = _mesa_BlendColorEXT; */
 397 #endif
 398
 399    /* 3. GL_EXT_polygon_offset */
 400 #if _HAVE_FULL_GL
 401    exec->PolygonOffsetEXT = _mesa_PolygonOffsetEXT;
 402 #endif
 403
 404    /* 6. GL_EXT_texture3d */
 405 #if 0
 406 /*    exec->CopyTexSubImage3DEXT = _mesa_CopyTexSubImage3D; */
 407 /*    exec->TexImage3DEXT = _mesa_TexImage3DEXT; */
 408 /*    exec->TexSubImage3DEXT = _mesa_TexSubImage3D; */
 409 #endif
 410
 411    /* 11. GL_EXT_histogram */
 412 #if _HAVE_FULL_GL
 413    exec->GetHistogramEXT = _mesa_GetHistogram;
 414    exec->GetHistogramParameterfvEXT = _mesa_GetHistogramParameterfv;
 415    exec->GetHistogramParameterivEXT = _mesa_GetHistogramParameteriv;
 416    exec->GetMinmaxEXT = _mesa_GetMinmax;
 417    exec->GetMinmaxParameterfvEXT = _mesa_GetMinmaxParameterfv;
 418    exec->GetMinmaxParameterivEXT = _mesa_GetMinmaxParameteriv;
 419 #endif
 420
 421    /* ?. GL_SGIX_pixel_texture */
 422 #if _HAVE_FULL_GL
 423    exec->PixelTexGenSGIX = _mesa_PixelTexGenSGIX;
 424 #endif
 425
 426    /* 15. GL_SGIS_pixel_texture */
 427 #if _HAVE_FULL_GL
 428    exec->PixelTexGenParameteriSGIS = _mesa_PixelTexGenParameteriSGIS;
 429    exec->PixelTexGenParameterivSGIS = _mesa_PixelTexGenParameterivSGIS;
 430    exec->PixelTexGenParameterfSGIS = _mesa_PixelTexGenParameterfSGIS;
 431    exec->PixelTexGenParameterfvSGIS = _mesa_PixelTexGenParameterfvSGIS;
 432    exec->GetPixelTexGenParameterivSGIS = _mesa_GetPixelTexGenParameterivSGIS;
 433    exec->GetPixelTexGenParameterfvSGIS = _mesa_GetPixelTexGenParameterfvSGIS;
 434 #endif
 435
 436    /* 30. GL_EXT_vertex_array */
 437 #if _HAVE_FULL_GL
 438    exec->ColorPointerEXT = _mesa_ColorPointerEXT;
 439    exec->EdgeFlagPointerEXT = _mesa_EdgeFlagPointerEXT;
 440    exec->IndexPointerEXT = _mesa_IndexPointerEXT;
 441    exec->NormalPointerEXT = _mesa_NormalPointerEXT;
 442    exec->TexCoordPointerEXT = _mesa_TexCoordPointerEXT;
 443    exec->VertexPointerEXT = _mesa_VertexPointerEXT;
 444 #endif
 445
 446    /* 37. GL_EXT_blend_minmax */
 447 #if 0
 448    exec->BlendEquationEXT = _mesa_BlendEquationEXT;
 449 #endif
 450
 451    /* 54. GL_EXT_point_parameters */
 452 #if _HAVE_FULL_GL
 453    exec->PointParameterfEXT = _mesa_PointParameterfEXT;
 454    exec->PointParameterfvEXT = _mesa_PointParameterfvEXT;
 455 #endif
 456
 457    /* 78. GL_EXT_paletted_texture */
 458 #if 0
 459    exec->ColorTableEXT = _mesa_ColorTableEXT;
 460    exec->ColorSubTableEXT = _mesa_ColorSubTableEXT;
 461 #endif
 462 #if _HAVE_FULL_GL
 463    exec->GetColorTableEXT = _mesa_GetColorTable;
 464    exec->GetColorTableParameterfvEXT = _mesa_GetColorTableParameterfv;
 465    exec->GetColorTableParameterivEXT = _mesa_GetColorTableParameteriv;
 466 #endif
 467
 468    /* 97. GL_EXT_compiled_vertex_array */
 469 #if _HAVE_FULL_GL
 470    exec->LockArraysEXT = _mesa_LockArraysEXT;
 471    exec->UnlockArraysEXT = _mesa_UnlockArraysEXT;
 472 #endif
 473
 474    /* 148. GL_EXT_multi_draw_arrays */
 475 #if _HAVE_FULL_GL
 476    exec->MultiDrawArraysEXT = _mesa_MultiDrawArraysEXT;
 477    exec->MultiDrawElementsEXT = _mesa_MultiDrawElementsEXT;
 478 #endif
 479
 480    /* 173. GL_INGR_blend_func_separate */
 481 #if _HAVE_FULL_GL
 482    exec->BlendFuncSeparateEXT = _mesa_BlendFuncSeparateEXT;
 483 #endif
 484
 485    /* 196. GL_MESA_resize_buffers */
 486 #if _HAVE_FULL_GL
 487    exec->ResizeBuffersMESA = _mesa_ResizeBuffersMESA;
 488 #endif
 489
 490    /* 197. GL_MESA_window_pos */
 491 #if _HAVE_FULL_GL
 492    exec->WindowPos2dMESA = _mesa_WindowPos2dMESA;
 493    exec->WindowPos2dvMESA = _mesa_WindowPos2dvMESA;
 494    exec->WindowPos2fMESA = _mesa_WindowPos2fMESA;
 495    exec->WindowPos2fvMESA = _mesa_WindowPos2fvMESA;
 496    exec->WindowPos2iMESA = _mesa_WindowPos2iMESA;
 497    exec->WindowPos2ivMESA = _mesa_WindowPos2ivMESA;
 498    exec->WindowPos2sMESA = _mesa_WindowPos2sMESA;
 499    exec->WindowPos2svMESA = _mesa_WindowPos2svMESA;
 500    exec->WindowPos3dMESA = _mesa_WindowPos3dMESA;
 501    exec->WindowPos3dvMESA = _mesa_WindowPos3dvMESA;
 502    exec->WindowPos3fMESA = _mesa_WindowPos3fMESA;
 503    exec->WindowPos3fvMESA = _mesa_WindowPos3fvMESA;
 504    exec->WindowPos3iMESA = _mesa_WindowPos3iMESA;
 505    exec->WindowPos3ivMESA = _mesa_WindowPos3ivMESA;
 506    exec->WindowPos3sMESA = _mesa_WindowPos3sMESA;
 507    exec->WindowPos3svMESA = _mesa_WindowPos3svMESA;
 508    exec->WindowPos4dMESA = _mesa_WindowPos4dMESA;
 509    exec->WindowPos4dvMESA = _mesa_WindowPos4dvMESA;
 510    exec->WindowPos4fMESA = _mesa_WindowPos4fMESA;
 511    exec->WindowPos4fvMESA = _mesa_WindowPos4fvMESA;
 512    exec->WindowPos4iMESA = _mesa_WindowPos4iMESA;
 513    exec->WindowPos4ivMESA = _mesa_WindowPos4ivMESA;
 514    exec->WindowPos4sMESA = _mesa_WindowPos4sMESA;
 515    exec->WindowPos4svMESA = _mesa_WindowPos4svMESA;
 516 #endif
 517
 518    /* 200. GL_IBM_multimode_draw_arrays */
 519 #if _HAVE_FULL_GL
 520    exec->MultiModeDrawArraysIBM = _mesa_MultiModeDrawArraysIBM;
 521    exec->MultiModeDrawElementsIBM = _mesa_MultiModeDrawElementsIBM;
 522 #endif
 523
 524    /* 233. GL_NV_vertex_program */
 525 #if FEATURE_NV_vertex_program
 526    exec->BindProgramNV = _mesa_BindProgram;
 527    exec->DeleteProgramsNV = _mesa_DeletePrograms;
 528    exec->ExecuteProgramNV = _mesa_ExecuteProgramNV;
 529    exec->GenProgramsNV = _mesa_GenPrograms;
 530    exec->AreProgramsResidentNV = _mesa_AreProgramsResidentNV;
 531    exec->RequestResidentProgramsNV = _mesa_RequestResidentProgramsNV;
 532    exec->GetProgramParameterfvNV = _mesa_GetProgramParameterfvNV;
 533    exec->GetProgramParameterdvNV = _mesa_GetProgramParameterdvNV;
 534    exec->GetProgramivNV = _mesa_GetProgramivNV;
 535    exec->GetProgramStringNV = _mesa_GetProgramStringNV;
 536    exec->GetTrackMatrixivNV = _mesa_GetTrackMatrixivNV;
 537    exec->GetVertexAttribdvNV = _mesa_GetVertexAttribdvNV;
 538    exec->GetVertexAttribfvNV = _mesa_GetVertexAttribfvNV;
 539    exec->GetVertexAttribivNV = _mesa_GetVertexAttribivNV;
 540    exec->GetVertexAttribPointervNV = _mesa_GetVertexAttribPointervNV;
 541    exec->IsProgramNV = _mesa_IsProgram;
 542    exec->LoadProgramNV = _mesa_LoadProgramNV;
 543    exec->ProgramParameter4dNV = _mesa_ProgramParameter4dNV;
 544    exec->ProgramParameter4dvNV = _mesa_ProgramParameter4dvNV;
 545    exec->ProgramParameter4fNV = _mesa_ProgramParameter4fNV;
 546    exec->ProgramParameter4fvNV = _mesa_ProgramParameter4fvNV;
 547    exec->ProgramParameters4dvNV = _mesa_ProgramParameters4dvNV;
 548    exec->ProgramParameters4fvNV = _mesa_ProgramParameters4fvNV;
 549    exec->TrackMatrixNV = _mesa_TrackMatrixNV;
 550    exec->VertexAttribPointerNV = _mesa_VertexAttribPointerNV;
 551    /* glVertexAttrib*NV functions handled in api_loopback.c */
 552 #endif
 553
 554    /* 282. GL_NV_fragment_program */
 555 #if FEATURE_NV_fragment_program
 556    exec->ProgramNamedParameter4fNV = _mesa_ProgramNamedParameter4fNV;
 557    exec->ProgramNamedParameter4dNV = _mesa_ProgramNamedParameter4dNV;
 558    exec->ProgramNamedParameter4fvNV = _mesa_ProgramNamedParameter4fvNV;
 559    exec->ProgramNamedParameter4dvNV = _mesa_ProgramNamedParameter4dvNV;
 560    exec->GetProgramNamedParameterfvNV = _mesa_GetProgramNamedParameterfvNV;
 561    exec->GetProgramNamedParameterdvNV = _mesa_GetProgramNamedParameterdvNV;
 562    exec->ProgramLocalParameter4dARB = _mesa_ProgramLocalParameter4dARB;
 563    exec->ProgramLocalParameter4dvARB = _mesa_ProgramLocalParameter4dvARB;
 564    exec->ProgramLocalParameter4fARB = _mesa_ProgramLocalParameter4fARB;
 565    exec->ProgramLocalParameter4fvARB = _mesa_ProgramLocalParameter4fvARB;
 566    exec->GetProgramLocalParameterdvARB = _mesa_GetProgramLocalParameterdvARB;
 567    exec->GetProgramLocalParameterfvARB = _mesa_GetProgramLocalParameterfvARB;
 568 #endif
 569
 570    /* 262. GL_NV_point_sprite */
 571 #if _HAVE_FULL_GL
 572    exec->PointParameteriNV = _mesa_PointParameteriNV;
 573    exec->PointParameterivNV = _mesa_PointParameterivNV;
 574 #endif
 575
 576    /* 268. GL_EXT_stencil_two_side */
 577 #if _HAVE_FULL_GL
 578    exec->ActiveStencilFaceEXT = _mesa_ActiveStencilFaceEXT;
 579 #endif
 580
 581    /* ???. GL_EXT_depth_bounds_test */
 582    exec->DepthBoundsEXT = _mesa_DepthBoundsEXT;
 583
 584    /* ARB 1. GL_ARB_multitexture */
 585 #if _HAVE_FULL_GL
 586    exec->ActiveTextureARB = _mesa_ActiveTextureARB;
 587    exec->ClientActiveTextureARB = _mesa_ClientActiveTextureARB;
 588 #endif
 589
 590    /* ARB 3. GL_ARB_transpose_matrix */
 591 #if _HAVE_FULL_GL
 592    exec->LoadTransposeMatrixdARB = _mesa_LoadTransposeMatrixdARB;
 593    exec->LoadTransposeMatrixfARB = _mesa_LoadTransposeMatrixfARB;
 594    exec->MultTransposeMatrixdARB = _mesa_MultTransposeMatrixdARB;
 595    exec->MultTransposeMatrixfARB = _mesa_MultTransposeMatrixfARB;
 596 #endif
 597
 598    /* ARB 5. GL_ARB_multisample */
 599 #if _HAVE_FULL_GL
 600    exec->SampleCoverageARB = _mesa_SampleCoverageARB;
 601 #endif
 602
 603    /* ARB 12. GL_ARB_texture_compression */
 604 #if _HAVE_FULL_GL
 605    exec->CompressedTexImage3DARB = _mesa_CompressedTexImage3DARB;
 606    exec->CompressedTexImage2DARB = _mesa_CompressedTexImage2DARB;
 607    exec->CompressedTexImage1DARB = _mesa_CompressedTexImage1DARB;
 608    exec->CompressedTexSubImage3DARB = _mesa_CompressedTexSubImage3DARB;
 609    exec->CompressedTexSubImage2DARB = _mesa_CompressedTexSubImage2DARB;
 610    exec->CompressedTexSubImage1DARB = _mesa_CompressedTexSubImage1DARB;
 611    exec->GetCompressedTexImageARB = _mesa_GetCompressedTexImageARB;
 612 #endif
 613
 614    /* ARB 14. GL_ARB_point_parameters */
 615    /* reuse EXT_point_parameters functions */
 616
 617    /* ARB 26. GL_ARB_vertex_program */
 618    /* ARB 27. GL_ARB_fragment_program */
 619 #if FEATURE_ARB_vertex_program || FEATURE_ARB_fragment_program
 620    /* glVertexAttrib1sARB aliases glVertexAttrib1sNV */
 621    /* glVertexAttrib1fARB aliases glVertexAttrib1fNV */
 622    /* glVertexAttrib1dARB aliases glVertexAttrib1dNV */
 623    /* glVertexAttrib2sARB aliases glVertexAttrib2sNV */
 624    /* glVertexAttrib2fARB aliases glVertexAttrib2fNV */
 625    /* glVertexAttrib2dARB aliases glVertexAttrib2dNV */
 626    /* glVertexAttrib3sARB aliases glVertexAttrib3sNV */
 627    /* glVertexAttrib3fARB aliases glVertexAttrib3fNV */
 628    /* glVertexAttrib3dARB aliases glVertexAttrib3dNV */
 629    /* glVertexAttrib4sARB aliases glVertexAttrib4sNV */
 630    /* glVertexAttrib4fARB aliases glVertexAttrib4fNV */
 631    /* glVertexAttrib4dARB aliases glVertexAttrib4dNV */
 632    /* glVertexAttrib4NubARB aliases glVertexAttrib4NubNV */
 633    /* glVertexAttrib1svARB aliases glVertexAttrib1svNV */
 634    /* glVertexAttrib1fvARB aliases glVertexAttrib1fvNV */
 635    /* glVertexAttrib1dvARB aliases glVertexAttrib1dvNV */
 636    /* glVertexAttrib2svARB aliases glVertexAttrib2svNV */
 637    /* glVertexAttrib2fvARB aliases glVertexAttrib2fvNV */
 638    /* glVertexAttrib2dvARB aliases glVertexAttrib2dvNV */
 639    /* glVertexAttrib3svARB aliases glVertexAttrib3svNV */
 640    /* glVertexAttrib3fvARB aliases glVertexAttrib3fvNV */
 641    /* glVertexAttrib3dvARB aliases glVertexAttrib3dvNV */
 642    /* glVertexAttrib4svARB aliases glVertexAttrib4svNV */
 643    /* glVertexAttrib4fvARB aliases glVertexAttrib4fvNV */
 644    /* glVertexAttrib4dvARB aliases glVertexAttrib4dvNV */
 645    /* glVertexAttrib4NubvARB aliases glVertexAttrib4NubvNV */
 646    /* glVertexAttrib4bvARB handled in api_loopback.c */
 647    /* glVertexAttrib4ivARB handled in api_loopback.c */
 648    /* glVertexAttrib4ubvARB handled in api_loopback.c */
 649    /* glVertexAttrib4usvARB handled in api_loopback.c */
 650    /* glVertexAttrib4uivARB handled in api_loopback.c */
 651    /* glVertexAttrib4NbvARB handled in api_loopback.c */
 652    /* glVertexAttrib4NsvARB handled in api_loopback.c */
 653    /* glVertexAttrib4NivARB handled in api_loopback.c */
 654    /* glVertexAttrib4NusvARB handled in api_loopback.c */
 655    /* glVertexAttrib4NuivARB handled in api_loopback.c */
 656    exec->VertexAttribPointerARB = _mesa_VertexAttribPointerARB;
 657    exec->EnableVertexAttribArrayARB = _mesa_EnableVertexAttribArrayARB;
 658    exec->DisableVertexAttribArrayARB = _mesa_DisableVertexAttribArrayARB;
 659    exec->ProgramStringARB = _mesa_ProgramStringARB;
 660    /* glBindProgramARB aliases glBindProgramNV */
 661    /* glDeleteProgramsARB aliases glDeleteProgramsNV */
 662    /* glGenProgramsARB aliases glGenProgramsNV */
 663    /* glIsProgramARB aliases glIsProgramNV */
 664    exec->GetVertexAttribdvARB = _mesa_GetVertexAttribdvARB;
 665    exec->GetVertexAttribfvARB = _mesa_GetVertexAttribfvARB;
 666    exec->GetVertexAttribivARB = _mesa_GetVertexAttribivARB;
 667    /* glGetVertexAttribPointervARB aliases glGetVertexAttribPointervNV */
 668    exec->ProgramEnvParameter4dARB = _mesa_ProgramEnvParameter4dARB;
 669    exec->ProgramEnvParameter4dvARB = _mesa_ProgramEnvParameter4dvARB;
 670    exec->ProgramEnvParameter4fARB = _mesa_ProgramEnvParameter4fARB;
 671    exec->ProgramEnvParameter4fvARB = _mesa_ProgramEnvParameter4fvARB;
 672    exec->ProgramLocalParameter4dARB = _mesa_ProgramLocalParameter4dARB;
 673    exec->ProgramLocalParameter4dvARB = _mesa_ProgramLocalParameter4dvARB;
 674    exec->ProgramLocalParameter4fARB = _mesa_ProgramLocalParameter4fARB;
 675    exec->ProgramLocalParameter4fvARB = _mesa_ProgramLocalParameter4fvARB;
 676    exec->GetProgramEnvParameterdvARB = _mesa_GetProgramEnvParameterdvARB;
 677    exec->GetProgramEnvParameterfvARB = _mesa_GetProgramEnvParameterfvARB;
 678    exec->GetProgramLocalParameterdvARB = _mesa_GetProgramLocalParameterdvARB;
 679    exec->GetProgramLocalParameterfvARB = _mesa_GetProgramLocalParameterfvARB;
 680    exec->GetProgramivARB = _mesa_GetProgramivARB;
 681    exec->GetProgramStringARB = _mesa_GetProgramStringARB;
 682 #endif
 683
 684    /* ARB 28. GL_ARB_vertex_buffer_object */
 685 #if FEATURE_ARB_vertex_buffer_object
 686    exec->BindBufferARB = _mesa_BindBufferARB;
 687    exec->BufferDataARB = _mesa_BufferDataARB;
 688    exec->BufferSubDataARB = _mesa_BufferSubDataARB;
 689    exec->DeleteBuffersARB = _mesa_DeleteBuffersARB;
 690    exec->GenBuffersARB = _mesa_GenBuffersARB;
 691    exec->GetBufferParameterivARB = _mesa_GetBufferParameterivARB;
 692    exec->GetBufferPointervARB = _mesa_GetBufferPointervARB;
 693    exec->GetBufferSubDataARB = _mesa_GetBufferSubDataARB;
 694    exec->IsBufferARB = _mesa_IsBufferARB;
 695    exec->MapBufferARB = _mesa_MapBufferARB;
 696    exec->UnmapBufferARB = _mesa_UnmapBufferARB;
 697 #endif
 698
 699    /* ARB 29. GL_ARB_occlusion_query */
 700 #if FEATURE_ARB_occlusion_query
 701    exec->GenQueriesARB = _mesa_GenQueriesARB;
 702    exec->DeleteQueriesARB = _mesa_DeleteQueriesARB;
 703    exec->IsQueryARB = _mesa_IsQueryARB;
 704    exec->BeginQueryARB = _mesa_BeginQueryARB;
 705    exec->EndQueryARB = _mesa_EndQueryARB;
 706    exec->GetQueryivARB = _mesa_GetQueryivARB;
 707    exec->GetQueryObjectivARB = _mesa_GetQueryObjectivARB;
 708    exec->GetQueryObjectuivARB = _mesa_GetQueryObjectuivARB;
 709 #endif
 710
 711    /* ARB 37. GL_ARB_draw_buffers */
 712    exec->DrawBuffersARB = _mesa_DrawBuffersARB;
 713
 714 #if FEATURE_ARB_shader_objects
 715    exec->DeleteObjectARB = _mesa_DeleteObjectARB;
 716    exec->GetHandleARB = _mesa_GetHandleARB;
 717    exec->DetachObjectARB = _mesa_DetachObjectARB;
 718    exec->CreateShaderObjectARB = _mesa_CreateShaderObjectARB;
 719    exec->ShaderSourceARB = _mesa_ShaderSourceARB;
 720    exec->CompileShaderARB = _mesa_CompileShaderARB;
 721    exec->CreateProgramObjectARB = _mesa_CreateProgramObjectARB;
 722    exec->AttachObjectARB = _mesa_AttachObjectARB;
 723    exec->LinkProgramARB = _mesa_LinkProgramARB;
 724    exec->UseProgramObjectARB = _mesa_UseProgramObjectARB;
 725    exec->ValidateProgramARB = _mesa_ValidateProgramARB;
 726    exec->Uniform1fARB = _mesa_Uniform1fARB;
 727    exec->Uniform2fARB = _mesa_Uniform2fARB;
 728    exec->Uniform3fARB = _mesa_Uniform3fARB;
 729    exec->Uniform4fARB = _mesa_Uniform4fARB;
 730    exec->Uniform1iARB = _mesa_Uniform1iARB;
 731    exec->Uniform2iARB = _mesa_Uniform2iARB;
 732    exec->Uniform3iARB = _mesa_Uniform3iARB;
 733    exec->Uniform4iARB = _mesa_Uniform4iARB;
 734    exec->Uniform1fvARB = _mesa_Uniform1fvARB;
 735    exec->Uniform2fvARB = _mesa_Uniform2fvARB;
 736    exec->Uniform3fvARB = _mesa_Uniform3fvARB;
 737    exec->Uniform4fvARB = _mesa_Uniform4fvARB;
 738    exec->Uniform1ivARB = _mesa_Uniform1ivARB;
 739    exec->Uniform2ivARB = _mesa_Uniform2ivARB;
 740    exec->Uniform3ivARB = _mesa_Uniform3ivARB;
 741    exec->Uniform4ivARB = _mesa_Uniform4ivARB;
 742    exec->UniformMatrix2fvARB = _mesa_UniformMatrix2fvARB;
 743    exec->UniformMatrix3fvARB = _mesa_UniformMatrix3fvARB;
 744    exec->UniformMatrix4fvARB = _mesa_UniformMatrix4fvARB;
 745    exec->GetObjectParameterfvARB = _mesa_GetObjectParameterfvARB;
 746    exec->GetObjectParameterivARB = _mesa_GetObjectParameterivARB;
 747    exec->GetInfoLogARB = _mesa_GetInfoLogARB;
 748    exec->GetAttachedObjectsARB = _mesa_GetAttachedObjectsARB;
 749    exec->GetUniformLocationARB = _mesa_GetUniformLocationARB;
 750    exec->GetActiveUniformARB = _mesa_GetActiveUniformARB;
 751    exec->GetUniformfvARB = _mesa_GetUniformfvARB;
 752    exec->GetUniformivARB = _mesa_GetUniformivARB;
 753    exec->GetShaderSourceARB = _mesa_GetShaderSourceARB;
 754 #endif    /* FEATURE_ARB_shader_objects */
 755
 756 #if FEATURE_ARB_vertex_shader
 757    exec->BindAttribLocationARB = _mesa_BindAttribLocationARB;
 758    exec->GetActiveAttribARB = _mesa_GetActiveAttribARB;
 759    exec->GetAttribLocationARB = _mesa_GetAttribLocationARB;
 760 #endif    /* FEATURE_ARB_vertex_shader */
 761
 762   /* GL_ATI_fragment_shader */
 763 #if FEATURE_ATI_fragment_shader
 764    exec->GenFragmentShadersATI = _mesa_GenFragmentShadersATI;
 765    exec->BindFragmentShaderATI = _mesa_BindFragmentShaderATI;
 766    exec->DeleteFragmentShaderATI = _mesa_DeleteFragmentShaderATI;
 767    exec->BeginFragmentShaderATI = _mesa_BeginFragmentShaderATI;
 768    exec->EndFragmentShaderATI = _mesa_EndFragmentShaderATI;
 769    exec->PassTexCoordATI = _mesa_PassTexCoordATI;
 770    exec->SampleMapATI = _mesa_SampleMapATI;
 771    exec->ColorFragmentOp1ATI = _mesa_ColorFragmentOp1ATI;
 772    exec->ColorFragmentOp2ATI = _mesa_ColorFragmentOp2ATI;
 773    exec->ColorFragmentOp3ATI = _mesa_ColorFragmentOp3ATI;
 774    exec->AlphaFragmentOp1ATI = _mesa_AlphaFragmentOp1ATI;
 775    exec->AlphaFragmentOp2ATI = _mesa_AlphaFragmentOp2ATI;
 776    exec->AlphaFragmentOp3ATI = _mesa_AlphaFragmentOp3ATI;
 777    exec->SetFragmentShaderConstantATI = _mesa_SetFragmentShaderConstantATI;
 778 #endif
 779
 780 #if FEATURE_EXT_framebuffer_object
 781    exec->IsRenderbufferEXT = _mesa_IsRenderbufferEXT;
 782    exec->BindRenderbufferEXT = _mesa_BindRenderbufferEXT;
 783    exec->DeleteRenderbuffersEXT = _mesa_DeleteRenderbuffersEXT;
 784    exec->GenRenderbuffersEXT = _mesa_GenRenderbuffersEXT;
 785    exec->RenderbufferStorageEXT = _mesa_RenderbufferStorageEXT;
 786    exec->GetRenderbufferParameterivEXT = _mesa_GetRenderbufferParameterivEXT;
 787    exec->IsFramebufferEXT = _mesa_IsFramebufferEXT;
 788    exec->BindFramebufferEXT = _mesa_BindFramebufferEXT;
 789    exec->DeleteFramebuffersEXT = _mesa_DeleteFramebuffersEXT;
 790    exec->GenFramebuffersEXT = _mesa_GenFramebuffersEXT;
 791    exec->CheckFramebufferStatusEXT = _mesa_CheckFramebufferStatusEXT;
 792    exec->FramebufferTexture1DEXT = _mesa_FramebufferTexture1DEXT;
 793    exec->FramebufferTexture2DEXT = _mesa_FramebufferTexture2DEXT;
 794    exec->FramebufferTexture3DEXT = _mesa_FramebufferTexture3DEXT;
 795    exec->FramebufferRenderbufferEXT = _mesa_FramebufferRenderbufferEXT;
 796    exec->GetFramebufferAttachmentParameterivEXT = _mesa_GetFramebufferAttachmentParameterivEXT;
 797    exec->GenerateMipmapEXT = _mesa_GenerateMipmapEXT;
 798 #endif
 799 }
 800
 801
 802
 803 /**********************************************************************/
 804 /** \name State update logic */
 805 /*@{*/
 806
 807
 808 static void
 809 update_separate_specular( GLcontext *ctx )
 810 {
 811    if (NEED_SECONDARY_COLOR(ctx))
 812       ctx->_TriangleCaps |= DD_SEPARATE_SPECULAR;
 813    else
 814       ctx->_TriangleCaps &= ~DD_SEPARATE_SPECULAR;
 815 }
 816
 817
 818 /**
 819  * Update state dependent on vertex arrays.
 820  */
 821 static void
 822 update_arrays( GLcontext *ctx )
 823 {
 824    GLuint i, min;
 825
 826    /* find min of _MaxElement values for all enabled arrays */
 827
 828    /* 0 */
 829    if (ctx->VertexProgram._Enabled
 830        && ctx->Array.VertexAttrib[VERT_ATTRIB_POS].Enabled) {
 831       min = ctx->Array.VertexAttrib[VERT_ATTRIB_POS]._MaxElement;
 832    }
 833    else if (ctx->Array.Vertex.Enabled) {
 834       min = ctx->Array.Vertex._MaxElement;
 835    }
 836    else {
 837       /* can't draw anything without vertex positions! */
 838       min = 0;
 839    }
 840
 841    /* 1 */
 842    if (ctx->VertexProgram._Enabled
 843        && ctx->Array.VertexAttrib[VERT_ATTRIB_WEIGHT].Enabled) {
 844       min = MIN2(min, ctx->Array.VertexAttrib[VERT_ATTRIB_WEIGHT]._MaxElement);
 845    }
 846    /* no conventional vertex weight array */
 847
 848    /* 2 */
 849    if (ctx->VertexProgram._Enabled
 850        && ctx->Array.VertexAttrib[VERT_ATTRIB_NORMAL].Enabled) {
 851       min = MIN2(min, ctx->Array.VertexAttrib[VERT_ATTRIB_NORMAL]._MaxElement);
 852    }
 853    else if (ctx->Array.Normal.Enabled) {
 854       min = MIN2(min, ctx->Array.Normal._MaxElement);
 855    }
 856
 857    /* 3 */
 858    if (ctx->VertexProgram._Enabled
 859        && ctx->Array.VertexAttrib[VERT_ATTRIB_COLOR0].Enabled) {
 860       min = MIN2(min, ctx->Array.VertexAttrib[VERT_ATTRIB_COLOR0]._MaxElement);
 861    }
 862    else if (ctx->Array.Color.Enabled) {
 863       min = MIN2(min, ctx->Array.Color._MaxElement);
 864    }
 865
 866    /* 4 */
 867    if (ctx->VertexProgram._Enabled
 868        && ctx->Array.VertexAttrib[VERT_ATTRIB_COLOR1].Enabled) {
 869       min = MIN2(min, ctx->Array.VertexAttrib[VERT_ATTRIB_COLOR1]._MaxElement);
 870    }
 871    else if (ctx->Array.SecondaryColor.Enabled) {
 872       min = MIN2(min, ctx->Array.SecondaryColor._MaxElement);
 873    }
 874
 875    /* 5 */
 876    if (ctx->VertexProgram._Enabled
 877        && ctx->Array.VertexAttrib[VERT_ATTRIB_FOG].Enabled) {
 878       min = MIN2(min, ctx->Array.VertexAttrib[VERT_ATTRIB_FOG]._MaxElement);
 879    }
 880    else if (ctx->Array.FogCoord.Enabled) {
 881       min = MIN2(min, ctx->Array.FogCoord._MaxElement);
 882    }
 883
 884    /* 6 */
 885    if (ctx->VertexProgram._Enabled
 886        && ctx->Array.VertexAttrib[VERT_ATTRIB_SIX].Enabled) {
 887       min = MIN2(min, ctx->Array.VertexAttrib[VERT_ATTRIB_SIX]._MaxElement);
 888    }
 889
 890    /* 7 */
 891    if (ctx->VertexProgram._Enabled
 892        && ctx->Array.VertexAttrib[VERT_ATTRIB_SEVEN].Enabled) {
 893       min = MIN2(min, ctx->Array.VertexAttrib[VERT_ATTRIB_SEVEN]._MaxElement);
 894    }
 895
 896    /* 8..15 */
 897    for (i = VERT_ATTRIB_TEX0; i < VERT_ATTRIB_MAX; i++) {
 898       if (ctx->VertexProgram._Enabled
 899           && ctx->Array.VertexAttrib[i].Enabled) {
 900          min = MIN2(min, ctx->Array.VertexAttrib[i]._MaxElement);
 901       }
 902       else if (i - VERT_ATTRIB_TEX0 < ctx->Const.MaxTextureCoordUnits
 903                && ctx->Array.TexCoord[i - VERT_ATTRIB_TEX0].Enabled) {
 904          min = MIN2(min, ctx->Array.TexCoord[i - VERT_ATTRIB_TEX0]._MaxElement);
 905       }
 906    }
 907
 908    if (ctx->Array.Index.Enabled) {
 909       min = MIN2(min, ctx->Array.Index._MaxElement);
 910    }
 911
 912    if (ctx->Array.EdgeFlag.Enabled) {
 913       min = MIN2(min, ctx->Array.EdgeFlag._MaxElement);
 914    }
 915
 916    /* _MaxElement is one past the last legal array element */
 917    ctx->Array._MaxElement = min;
 918 }
 919
 920
 921 /**
 922  * Update derived vertex/fragment program state.
 923  */
 924 static void
 925 update_program(GLcontext *ctx)
 926 {
 927    /* For now, just set the _Enabled (really enabled) flags.
 928     * In the future we may have to check other state to be sure we really
 929     * have a runable program or shader.
 930     */
 931    ctx->VertexProgram._Enabled = ctx->VertexProgram.Enabled
 932       && ctx->VertexProgram.Current->Instructions;
 933    ctx->FragmentProgram._Enabled = ctx->FragmentProgram.Enabled
 934       && ctx->FragmentProgram.Current->Instructions;
 935    ctx->ATIFragmentShader._Enabled = ctx->ATIFragmentShader.Enabled
 936       && ctx->ATIFragmentShader.Current->Instructions;
 937
 938    ctx->FragmentProgram._Current = ctx->FragmentProgram.Current;
 939    ctx->FragmentProgram._Active = ctx->FragmentProgram._Enabled;
 940
 941    if (ctx->_MaintainTexEnvProgram && !ctx->FragmentProgram._Enabled) {
 942       ctx->FragmentProgram._Current = &ctx->_TexEnvProgram;
 943       ctx->FragmentProgram._Active = GL_TRUE;
 944    }
 945 }
 946
 947
 948 /**
 949  * If __GLcontextRec::NewState is non-zero then this function \b must be called
 950  * before rendering any primitive.  Basically, function pointers and
 951  * miscellaneous flags are updated to reflect the current state of the state
 952  * machine.
 953  *
 954  * Calls dd_function_table::UpdateState to perform any internal state
 955  * management necessary.
 956  *
 957  * \sa _mesa_update_modelview_project(), _mesa_update_texture(),
 958  * _mesa_update_buffer_bounds(), _mesa_update_polygon(),
 959  * _mesa_update_lighting() and _mesa_update_tnl_spaces().
 960  */
 961 void
 962 _mesa_update_state( GLcontext *ctx )
 963 {
 964    GLuint new_state = ctx->NewState;
 965
 966    if (MESA_VERBOSE & VERBOSE_STATE)
 967       _mesa_print_state("_mesa_update_state", new_state);
 968
 969    if (new_state & _NEW_PROGRAM)
 970       update_program( ctx );
 971
 972    if (new_state & (_NEW_MODELVIEW|_NEW_PROJECTION))
 973       _mesa_update_modelview_project( ctx, new_state );
 974
 975    if (new_state & (_NEW_PROGRAM|_NEW_TEXTURE|_NEW_TEXTURE_MATRIX))
 976       _mesa_update_texture( ctx, new_state );
 977
 978    if (new_state & (_NEW_BUFFERS | _NEW_COLOR | _NEW_PIXEL))
 979       _mesa_update_framebuffer(ctx);
 980
 981    if (new_state & (_NEW_SCISSOR|_NEW_BUFFERS))
 982       _mesa_update_draw_buffer_bounds( ctx );
 983
 984    if (new_state & _NEW_POLYGON)
 985       _mesa_update_polygon( ctx );
 986
 987    if (new_state & _NEW_LIGHT)
 988       _mesa_update_lighting( ctx );
 989
 990    if (new_state & _IMAGE_NEW_TRANSFER_STATE)
 991       _mesa_update_pixel( ctx, new_state );
 992
 993    if (new_state & _DD_NEW_SEPARATE_SPECULAR)
 994       update_separate_specular( ctx );
 995
 996    if (new_state & (_NEW_ARRAY | _NEW_PROGRAM))
 997       update_arrays( ctx );
 998
 999    if (ctx->_MaintainTexEnvProgram) {
1000       if (new_state & (_NEW_TEXTURE | _DD_NEW_SEPARATE_SPECULAR))
1001          _mesa_UpdateTexEnvProgram(ctx);
1002    }
1003
1004    /* ctx->_NeedEyeCoords is now up to date.
1005     *
1006     * If the truth value of this variable has changed, update for the
1007     * new lighting space and recompute the positions of lights and the
1008     * normal transform.
1009     *
1010     * If the lighting space hasn't changed, may still need to recompute
1011     * light positions & normal transforms for other reasons.
1012     */
1013    if (new_state & _MESA_NEW_NEED_EYE_COORDS)
1014       _mesa_update_tnl_spaces( ctx, new_state );
1015
1016    /*
1017     * Give the driver a chance to act upon the new_state flags.
1018     * The driver might plug in different span functions, for example.
1019     * Also, this is where the driver can invalidate the state of any
1020     * active modules (such as swrast_setup, swrast, tnl, etc).
1021     *
1022     * Set ctx->NewState to zero to avoid recursion if
1023     * Driver.UpdateState() has to call FLUSH_VERTICES().  (fixed?)
1024     */
1025    new_state = ctx->NewState;
1026    ctx->NewState = 0;
1027    ctx->Driver.UpdateState(ctx, new_state);
1028    ctx->Array.NewState = 0;
1029 }
1030
1031 /*@}*/