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 #include "texenvprogram.h"
  94 #endif
  95 #if FEATURE_ARB_shader_objects
  96 #include "shaderobjects.h"
  97 #endif
  98 #include "debug.h"
  99
 100
 101
 102 /**
 103  * Initialize a dispatch table with pointers to Mesa's immediate-mode
 104  * commands.
 105  *
 106  * Pointers to glBegin()/glEnd() object commands and a few others
 107  * are provided via the GLvertexformat interface.
 108  *
 109  * \param exec dispatch table.
 110  * \param tableSize dispatch table size.
 111  */
 112 void
 113 _mesa_init_exec_table(struct _glapi_table *exec)
 114 {
 115 #if _HAVE_FULL_GL
 116    _mesa_loopback_init_api_table( exec );
 117 #endif
 118
 119    /* load the dispatch slots we understand */
 120    exec->AlphaFunc = _mesa_AlphaFunc;
 121    exec->BlendFunc = _mesa_BlendFunc;
 122    exec->Clear = _mesa_Clear;
 123    exec->ClearColor = _mesa_ClearColor;
 124    exec->ClearStencil = _mesa_ClearStencil;
 125    exec->ColorMask = _mesa_ColorMask;
 126    exec->CullFace = _mesa_CullFace;
 127    exec->Disable = _mesa_Disable;
 128    exec->DrawBuffer = _mesa_DrawBuffer;
 129    exec->Enable = _mesa_Enable;
 130    exec->Finish = _mesa_Finish;
 131    exec->Flush = _mesa_Flush;
 132    exec->FrontFace = _mesa_FrontFace;
 133    exec->Frustum = _mesa_Frustum;
 134    exec->GetError = _mesa_GetError;
 135    exec->GetFloatv = _mesa_GetFloatv;
 136    exec->GetString = _mesa_GetString;
 137    exec->InitNames = _mesa_InitNames;
 138    exec->LineStipple = _mesa_LineStipple;
 139    exec->LineWidth = _mesa_LineWidth;
 140    exec->LoadIdentity = _mesa_LoadIdentity;
 141    exec->LoadMatrixf = _mesa_LoadMatrixf;
 142    exec->LoadName = _mesa_LoadName;
 143    exec->LogicOp = _mesa_LogicOp;
 144    exec->MatrixMode = _mesa_MatrixMode;
 145    exec->MultMatrixf = _mesa_MultMatrixf;
 146    exec->Ortho = _mesa_Ortho;
 147    exec->PixelStorei = _mesa_PixelStorei;
 148    exec->PopMatrix = _mesa_PopMatrix;
 149    exec->PopName = _mesa_PopName;
 150    exec->PushMatrix = _mesa_PushMatrix;
 151    exec->PushName = _mesa_PushName;
 152    exec->RasterPos2f = _mesa_RasterPos2f;
 153    exec->RasterPos2fv = _mesa_RasterPos2fv;
 154    exec->RasterPos2i = _mesa_RasterPos2i;
 155    exec->RasterPos2iv = _mesa_RasterPos2iv;
 156    exec->ReadBuffer = _mesa_ReadBuffer;
 157    exec->RenderMode = _mesa_RenderMode;
 158    exec->Rotatef = _mesa_Rotatef;
 159    exec->Scalef = _mesa_Scalef;
 160    exec->Scissor = _mesa_Scissor;
 161    exec->SelectBuffer = _mesa_SelectBuffer;
 162    exec->ShadeModel = _mesa_ShadeModel;
 163    exec->StencilFunc = _mesa_StencilFunc;
 164    exec->StencilMask = _mesa_StencilMask;
 165    exec->StencilOp = _mesa_StencilOp;
 166    exec->TexEnvfv = _mesa_TexEnvfv;
 167    exec->TexEnvi = _mesa_TexEnvi;
 168    exec->TexImage2D = _mesa_TexImage2D;
 169    exec->TexParameteri = _mesa_TexParameteri;
 170    exec->Translatef = _mesa_Translatef;
 171    exec->Viewport = _mesa_Viewport;
 172 #if _HAVE_FULL_GL
 173    exec->Accum = _mesa_Accum;
 174    exec->Bitmap = _mesa_Bitmap;
 175    exec->CallList = _mesa_CallList;
 176    exec->CallLists = _mesa_CallLists;
 177    exec->ClearAccum = _mesa_ClearAccum;
 178    exec->ClearDepth = _mesa_ClearDepth;
 179    exec->ClearIndex = _mesa_ClearIndex;
 180    exec->ClipPlane = _mesa_ClipPlane;
 181    exec->ColorMaterial = _mesa_ColorMaterial;
 182    exec->CopyPixels = _mesa_CopyPixels;
 183    exec->CullParameterfvEXT = _mesa_CullParameterfvEXT;
 184    exec->CullParameterdvEXT = _mesa_CullParameterdvEXT;
 185    exec->DeleteLists = _mesa_DeleteLists;
 186    exec->DepthFunc = _mesa_DepthFunc;
 187    exec->DepthMask = _mesa_DepthMask;
 188    exec->DepthRange = _mesa_DepthRange;
 189    exec->DrawPixels = _mesa_DrawPixels;
 190    exec->EndList = _mesa_EndList;
 191    exec->FeedbackBuffer = _mesa_FeedbackBuffer;
 192    exec->FogCoordPointerEXT = _mesa_FogCoordPointerEXT;
 193    exec->Fogf = _mesa_Fogf;
 194    exec->Fogfv = _mesa_Fogfv;
 195    exec->Fogi = _mesa_Fogi;
 196    exec->Fogiv = _mesa_Fogiv;
 197    exec->GenLists = _mesa_GenLists;
 198    exec->GetClipPlane = _mesa_GetClipPlane;
 199    exec->GetBooleanv = _mesa_GetBooleanv;
 200    exec->GetDoublev = _mesa_GetDoublev;
 201    exec->GetIntegerv = _mesa_GetIntegerv;
 202    exec->GetLightfv = _mesa_GetLightfv;
 203    exec->GetLightiv = _mesa_GetLightiv;
 204    exec->GetMapdv = _mesa_GetMapdv;
 205    exec->GetMapfv = _mesa_GetMapfv;
 206    exec->GetMapiv = _mesa_GetMapiv;
 207    exec->GetMaterialfv = _mesa_GetMaterialfv;
 208    exec->GetMaterialiv = _mesa_GetMaterialiv;
 209    exec->GetPixelMapfv = _mesa_GetPixelMapfv;
 210    exec->GetPixelMapuiv = _mesa_GetPixelMapuiv;
 211    exec->GetPixelMapusv = _mesa_GetPixelMapusv;
 212    exec->GetPolygonStipple = _mesa_GetPolygonStipple;
 213    exec->GetTexEnvfv = _mesa_GetTexEnvfv;
 214    exec->GetTexEnviv = _mesa_GetTexEnviv;
 215    exec->GetTexLevelParameterfv = _mesa_GetTexLevelParameterfv;
 216    exec->GetTexLevelParameteriv = _mesa_GetTexLevelParameteriv;
 217    exec->GetTexParameterfv = _mesa_GetTexParameterfv;
 218    exec->GetTexParameteriv = _mesa_GetTexParameteriv;
 219    exec->GetTexGendv = _mesa_GetTexGendv;
 220    exec->GetTexGenfv = _mesa_GetTexGenfv;
 221    exec->GetTexGeniv = _mesa_GetTexGeniv;
 222    exec->GetTexImage = _mesa_GetTexImage;
 223    exec->Hint = _mesa_Hint;
 224    exec->IndexMask = _mesa_IndexMask;
 225    exec->IsEnabled = _mesa_IsEnabled;
 226    exec->IsList = _mesa_IsList;
 227    exec->LightModelf = _mesa_LightModelf;
 228    exec->LightModelfv = _mesa_LightModelfv;
 229    exec->LightModeli = _mesa_LightModeli;
 230    exec->LightModeliv = _mesa_LightModeliv;
 231    exec->Lightf = _mesa_Lightf;
 232    exec->Lightfv = _mesa_Lightfv;
 233    exec->Lighti = _mesa_Lighti;
 234    exec->Lightiv = _mesa_Lightiv;
 235    exec->ListBase = _mesa_ListBase;
 236    exec->LoadMatrixd = _mesa_LoadMatrixd;
 237    exec->Map1d = _mesa_Map1d;
 238    exec->Map1f = _mesa_Map1f;
 239    exec->Map2d = _mesa_Map2d;
 240    exec->Map2f = _mesa_Map2f;
 241    exec->MapGrid1d = _mesa_MapGrid1d;
 242    exec->MapGrid1f = _mesa_MapGrid1f;
 243    exec->MapGrid2d = _mesa_MapGrid2d;
 244    exec->MapGrid2f = _mesa_MapGrid2f;
 245    exec->MultMatrixd = _mesa_MultMatrixd;
 246    exec->NewList = _mesa_NewList;
 247    exec->PassThrough = _mesa_PassThrough;
 248    exec->PixelMapfv = _mesa_PixelMapfv;
 249    exec->PixelMapuiv = _mesa_PixelMapuiv;
 250    exec->PixelMapusv = _mesa_PixelMapusv;
 251    exec->PixelStoref = _mesa_PixelStoref;
 252    exec->PixelTransferf = _mesa_PixelTransferf;
 253    exec->PixelTransferi = _mesa_PixelTransferi;
 254    exec->PixelZoom = _mesa_PixelZoom;
 255    exec->PointSize = _mesa_PointSize;
 256    exec->PolygonMode = _mesa_PolygonMode;
 257    exec->PolygonOffset = _mesa_PolygonOffset;
 258    exec->PolygonStipple = _mesa_PolygonStipple;
 259    exec->PopAttrib = _mesa_PopAttrib;
 260    exec->PushAttrib = _mesa_PushAttrib;
 261    exec->RasterPos2d = _mesa_RasterPos2d;
 262    exec->RasterPos2dv = _mesa_RasterPos2dv;
 263    exec->RasterPos2s = _mesa_RasterPos2s;
 264    exec->RasterPos2sv = _mesa_RasterPos2sv;
 265    exec->RasterPos3d = _mesa_RasterPos3d;
 266    exec->RasterPos3dv = _mesa_RasterPos3dv;
 267    exec->RasterPos3f = _mesa_RasterPos3f;
 268    exec->RasterPos3fv = _mesa_RasterPos3fv;
 269    exec->RasterPos3i = _mesa_RasterPos3i;
 270    exec->RasterPos3iv = _mesa_RasterPos3iv;
 271    exec->RasterPos3s = _mesa_RasterPos3s;
 272    exec->RasterPos3sv = _mesa_RasterPos3sv;
 273    exec->RasterPos4d = _mesa_RasterPos4d;
 274    exec->RasterPos4dv = _mesa_RasterPos4dv;
 275    exec->RasterPos4f = _mesa_RasterPos4f;
 276    exec->RasterPos4fv = _mesa_RasterPos4fv;
 277    exec->RasterPos4i = _mesa_RasterPos4i;
 278    exec->RasterPos4iv = _mesa_RasterPos4iv;
 279    exec->RasterPos4s = _mesa_RasterPos4s;
 280    exec->RasterPos4sv = _mesa_RasterPos4sv;
 281    exec->ReadPixels = _mesa_ReadPixels;
 282    exec->Rotated = _mesa_Rotated;
 283    exec->Scaled = _mesa_Scaled;
 284    exec->SecondaryColorPointerEXT = _mesa_SecondaryColorPointerEXT;
 285    exec->TexEnvf = _mesa_TexEnvf;
 286    exec->TexEnviv = _mesa_TexEnviv;
 287    exec->TexGend = _mesa_TexGend;
 288    exec->TexGendv = _mesa_TexGendv;
 289    exec->TexGenf = _mesa_TexGenf;
 290    exec->TexGenfv = _mesa_TexGenfv;
 291    exec->TexGeni = _mesa_TexGeni;
 292    exec->TexGeniv = _mesa_TexGeniv;
 293    exec->TexImage1D = _mesa_TexImage1D;
 294    exec->TexParameterf = _mesa_TexParameterf;
 295    exec->TexParameterfv = _mesa_TexParameterfv;
 296    exec->TexParameteriv = _mesa_TexParameteriv;
 297    exec->Translated = _mesa_Translated;
 298 #endif
 299
 300    /* 1.1 */
 301    exec->BindTexture = _mesa_BindTexture;
 302    exec->DeleteTextures = _mesa_DeleteTextures;
 303    exec->GenTextures = _mesa_GenTextures;
 304 #if _HAVE_FULL_GL
 305    exec->AreTexturesResident = _mesa_AreTexturesResident;
 306    exec->AreTexturesResidentEXT = _mesa_AreTexturesResident;
 307    exec->ColorPointer = _mesa_ColorPointer;
 308    exec->CopyTexImage1D = _mesa_CopyTexImage1D;
 309    exec->CopyTexImage2D = _mesa_CopyTexImage2D;
 310    exec->CopyTexSubImage1D = _mesa_CopyTexSubImage1D;
 311    exec->CopyTexSubImage2D = _mesa_CopyTexSubImage2D;
 312    exec->DisableClientState = _mesa_DisableClientState;
 313    exec->EdgeFlagPointer = _mesa_EdgeFlagPointer;
 314    exec->EnableClientState = _mesa_EnableClientState;
 315    exec->GenTexturesEXT = _mesa_GenTextures;
 316    exec->GetPointerv = _mesa_GetPointerv;
 317    exec->IndexPointer = _mesa_IndexPointer;
 318    exec->InterleavedArrays = _mesa_InterleavedArrays;
 319    exec->IsTexture = _mesa_IsTexture;
 320    exec->IsTextureEXT = _mesa_IsTexture;
 321    exec->NormalPointer = _mesa_NormalPointer;
 322    exec->PopClientAttrib = _mesa_PopClientAttrib;
 323    exec->PrioritizeTextures = _mesa_PrioritizeTextures;
 324    exec->PushClientAttrib = _mesa_PushClientAttrib;
 325    exec->TexCoordPointer = _mesa_TexCoordPointer;
 326    exec->TexSubImage1D = _mesa_TexSubImage1D;
 327    exec->TexSubImage2D = _mesa_TexSubImage2D;
 328    exec->VertexPointer = _mesa_VertexPointer;
 329 #endif
 330
 331    /* 1.2 */
 332 #if _HAVE_FULL_GL
 333    exec->CopyTexSubImage3D = _mesa_CopyTexSubImage3D;
 334    exec->TexImage3D = _mesa_TexImage3D;
 335    exec->TexSubImage3D = _mesa_TexSubImage3D;
 336 #endif
 337
 338    /* OpenGL 1.2  GL_ARB_imaging */
 339 #if _HAVE_FULL_GL
 340    exec->BlendColor = _mesa_BlendColor;
 341    exec->BlendEquation = _mesa_BlendEquation;
 342    exec->BlendEquationSeparateEXT = _mesa_BlendEquationSeparateEXT;
 343    exec->ColorSubTable = _mesa_ColorSubTable;
 344    exec->ColorTable = _mesa_ColorTable;
 345    exec->ColorTableParameterfv = _mesa_ColorTableParameterfv;
 346    exec->ColorTableParameteriv = _mesa_ColorTableParameteriv;
 347    exec->ConvolutionFilter1D = _mesa_ConvolutionFilter1D;
 348    exec->ConvolutionFilter2D = _mesa_ConvolutionFilter2D;
 349    exec->ConvolutionParameterf = _mesa_ConvolutionParameterf;
 350    exec->ConvolutionParameterfv = _mesa_ConvolutionParameterfv;
 351    exec->ConvolutionParameteri = _mesa_ConvolutionParameteri;
 352    exec->ConvolutionParameteriv = _mesa_ConvolutionParameteriv;
 353    exec->CopyColorSubTable = _mesa_CopyColorSubTable;
 354    exec->CopyColorTable = _mesa_CopyColorTable;
 355    exec->CopyConvolutionFilter1D = _mesa_CopyConvolutionFilter1D;
 356    exec->CopyConvolutionFilter2D = _mesa_CopyConvolutionFilter2D;
 357    exec->GetColorTable = _mesa_GetColorTable;
 358    exec->GetColorTableEXT = _mesa_GetColorTable;
 359    exec->GetColorTableParameterfv = _mesa_GetColorTableParameterfv;
 360    exec->GetColorTableParameterfvEXT = _mesa_GetColorTableParameterfv;
 361    exec->GetColorTableParameteriv = _mesa_GetColorTableParameteriv;
 362    exec->GetColorTableParameterivEXT = _mesa_GetColorTableParameteriv;
 363    exec->GetConvolutionFilter = _mesa_GetConvolutionFilter;
 364    exec->GetConvolutionFilterEXT = _mesa_GetConvolutionFilter;
 365    exec->GetConvolutionParameterfv = _mesa_GetConvolutionParameterfv;
 366    exec->GetConvolutionParameterfvEXT = _mesa_GetConvolutionParameterfv;
 367    exec->GetConvolutionParameteriv = _mesa_GetConvolutionParameteriv;
 368    exec->GetConvolutionParameterivEXT = _mesa_GetConvolutionParameteriv;
 369    exec->GetHistogram = _mesa_GetHistogram;
 370    exec->GetHistogramEXT = _mesa_GetHistogram;
 371    exec->GetHistogramParameterfv = _mesa_GetHistogramParameterfv;
 372    exec->GetHistogramParameterfvEXT = _mesa_GetHistogramParameterfv;
 373    exec->GetHistogramParameteriv = _mesa_GetHistogramParameteriv;
 374    exec->GetHistogramParameterivEXT = _mesa_GetHistogramParameteriv;
 375    exec->GetMinmax = _mesa_GetMinmax;
 376    exec->GetMinmaxEXT = _mesa_GetMinmax;
 377    exec->GetMinmaxParameterfv = _mesa_GetMinmaxParameterfv;
 378    exec->GetMinmaxParameterfvEXT = _mesa_GetMinmaxParameterfv;
 379    exec->GetMinmaxParameteriv = _mesa_GetMinmaxParameteriv;
 380    exec->GetMinmaxParameterivEXT = _mesa_GetMinmaxParameteriv;
 381    exec->GetSeparableFilter = _mesa_GetSeparableFilter;
 382    exec->GetSeparableFilterEXT = _mesa_GetSeparableFilter;
 383    exec->Histogram = _mesa_Histogram;
 384    exec->Minmax = _mesa_Minmax;
 385    exec->ResetHistogram = _mesa_ResetHistogram;
 386    exec->ResetMinmax = _mesa_ResetMinmax;
 387    exec->SeparableFilter2D = _mesa_SeparableFilter2D;
 388 #endif
 389
 390    /* OpenGL 2.0 */
 391    exec->StencilFuncSeparate = _mesa_StencilFuncSeparate;
 392    exec->StencilMaskSeparate = _mesa_StencilMaskSeparate;
 393    exec->StencilOpSeparate = _mesa_StencilOpSeparate;
 394
 395    /* 2. GL_EXT_blend_color */
 396 #if 0
 397 /*    exec->BlendColorEXT = _mesa_BlendColorEXT; */
 398 #endif
 399
 400    /* 3. GL_EXT_polygon_offset */
 401 #if _HAVE_FULL_GL
 402    exec->PolygonOffsetEXT = _mesa_PolygonOffsetEXT;
 403 #endif
 404
 405    /* 6. GL_EXT_texture3d */
 406 #if 0
 407 /*    exec->CopyTexSubImage3DEXT = _mesa_CopyTexSubImage3D; */
 408 /*    exec->TexImage3DEXT = _mesa_TexImage3DEXT; */
 409 /*    exec->TexSubImage3DEXT = _mesa_TexSubImage3D; */
 410 #endif
 411
 412    /* 11. GL_EXT_histogram */
 413 #if _HAVE_FULL_GL
 414    exec->GetHistogramEXT = _mesa_GetHistogram;
 415    exec->GetHistogramParameterfvEXT = _mesa_GetHistogramParameterfv;
 416    exec->GetHistogramParameterivEXT = _mesa_GetHistogramParameteriv;
 417    exec->GetMinmaxEXT = _mesa_GetMinmax;
 418    exec->GetMinmaxParameterfvEXT = _mesa_GetMinmaxParameterfv;
 419    exec->GetMinmaxParameterivEXT = _mesa_GetMinmaxParameteriv;
 420 #endif
 421
 422    /* ?. GL_SGIX_pixel_texture */
 423 #if _HAVE_FULL_GL
 424    exec->PixelTexGenSGIX = _mesa_PixelTexGenSGIX;
 425 #endif
 426
 427    /* 15. GL_SGIS_pixel_texture */
 428 #if _HAVE_FULL_GL
 429    exec->PixelTexGenParameteriSGIS = _mesa_PixelTexGenParameteriSGIS;
 430    exec->PixelTexGenParameterivSGIS = _mesa_PixelTexGenParameterivSGIS;
 431    exec->PixelTexGenParameterfSGIS = _mesa_PixelTexGenParameterfSGIS;
 432    exec->PixelTexGenParameterfvSGIS = _mesa_PixelTexGenParameterfvSGIS;
 433    exec->GetPixelTexGenParameterivSGIS = _mesa_GetPixelTexGenParameterivSGIS;
 434    exec->GetPixelTexGenParameterfvSGIS = _mesa_GetPixelTexGenParameterfvSGIS;
 435 #endif
 436
 437    /* 30. GL_EXT_vertex_array */
 438 #if _HAVE_FULL_GL
 439    exec->ColorPointerEXT = _mesa_ColorPointerEXT;
 440    exec->EdgeFlagPointerEXT = _mesa_EdgeFlagPointerEXT;
 441    exec->IndexPointerEXT = _mesa_IndexPointerEXT;
 442    exec->NormalPointerEXT = _mesa_NormalPointerEXT;
 443    exec->TexCoordPointerEXT = _mesa_TexCoordPointerEXT;
 444    exec->VertexPointerEXT = _mesa_VertexPointerEXT;
 445 #endif
 446
 447    /* 37. GL_EXT_blend_minmax */
 448 #if 0
 449    exec->BlendEquationEXT = _mesa_BlendEquationEXT;
 450 #endif
 451
 452    /* 54. GL_EXT_point_parameters */
 453 #if _HAVE_FULL_GL
 454    exec->PointParameterfEXT = _mesa_PointParameterfEXT;
 455    exec->PointParameterfvEXT = _mesa_PointParameterfvEXT;
 456 #endif
 457
 458    /* 78. GL_EXT_paletted_texture */
 459 #if 0
 460    exec->ColorTableEXT = _mesa_ColorTableEXT;
 461    exec->ColorSubTableEXT = _mesa_ColorSubTableEXT;
 462 #endif
 463 #if _HAVE_FULL_GL
 464    exec->GetColorTableEXT = _mesa_GetColorTable;
 465    exec->GetColorTableParameterfvEXT = _mesa_GetColorTableParameterfv;
 466    exec->GetColorTableParameterivEXT = _mesa_GetColorTableParameteriv;
 467 #endif
 468
 469    /* 97. GL_EXT_compiled_vertex_array */
 470 #if _HAVE_FULL_GL
 471    exec->LockArraysEXT = _mesa_LockArraysEXT;
 472    exec->UnlockArraysEXT = _mesa_UnlockArraysEXT;
 473 #endif
 474
 475    /* 148. GL_EXT_multi_draw_arrays */
 476 #if _HAVE_FULL_GL
 477    exec->MultiDrawArraysEXT = _mesa_MultiDrawArraysEXT;
 478    exec->MultiDrawElementsEXT = _mesa_MultiDrawElementsEXT;
 479 #endif
 480
 481    /* 173. GL_INGR_blend_func_separate */
 482 #if _HAVE_FULL_GL
 483    exec->BlendFuncSeparateEXT = _mesa_BlendFuncSeparateEXT;
 484 #endif
 485
 486    /* 196. GL_MESA_resize_buffers */
 487 #if _HAVE_FULL_GL
 488    exec->ResizeBuffersMESA = _mesa_ResizeBuffersMESA;
 489 #endif
 490
 491    /* 197. GL_MESA_window_pos */
 492 #if _HAVE_FULL_GL
 493    exec->WindowPos2dMESA = _mesa_WindowPos2dMESA;
 494    exec->WindowPos2dvMESA = _mesa_WindowPos2dvMESA;
 495    exec->WindowPos2fMESA = _mesa_WindowPos2fMESA;
 496    exec->WindowPos2fvMESA = _mesa_WindowPos2fvMESA;
 497    exec->WindowPos2iMESA = _mesa_WindowPos2iMESA;
 498    exec->WindowPos2ivMESA = _mesa_WindowPos2ivMESA;
 499    exec->WindowPos2sMESA = _mesa_WindowPos2sMESA;
 500    exec->WindowPos2svMESA = _mesa_WindowPos2svMESA;
 501    exec->WindowPos3dMESA = _mesa_WindowPos3dMESA;
 502    exec->WindowPos3dvMESA = _mesa_WindowPos3dvMESA;
 503    exec->WindowPos3fMESA = _mesa_WindowPos3fMESA;
 504    exec->WindowPos3fvMESA = _mesa_WindowPos3fvMESA;
 505    exec->WindowPos3iMESA = _mesa_WindowPos3iMESA;
 506    exec->WindowPos3ivMESA = _mesa_WindowPos3ivMESA;
 507    exec->WindowPos3sMESA = _mesa_WindowPos3sMESA;
 508    exec->WindowPos3svMESA = _mesa_WindowPos3svMESA;
 509    exec->WindowPos4dMESA = _mesa_WindowPos4dMESA;
 510    exec->WindowPos4dvMESA = _mesa_WindowPos4dvMESA;
 511    exec->WindowPos4fMESA = _mesa_WindowPos4fMESA;
 512    exec->WindowPos4fvMESA = _mesa_WindowPos4fvMESA;
 513    exec->WindowPos4iMESA = _mesa_WindowPos4iMESA;
 514    exec->WindowPos4ivMESA = _mesa_WindowPos4ivMESA;
 515    exec->WindowPos4sMESA = _mesa_WindowPos4sMESA;
 516    exec->WindowPos4svMESA = _mesa_WindowPos4svMESA;
 517 #endif
 518
 519    /* 200. GL_IBM_multimode_draw_arrays */
 520 #if _HAVE_FULL_GL
 521    exec->MultiModeDrawArraysIBM = _mesa_MultiModeDrawArraysIBM;
 522    exec->MultiModeDrawElementsIBM = _mesa_MultiModeDrawElementsIBM;
 523 #endif
 524
 525    /* 233. GL_NV_vertex_program */
 526 #if FEATURE_NV_vertex_program
 527    exec->BindProgramNV = _mesa_BindProgram;
 528    exec->DeleteProgramsNV = _mesa_DeletePrograms;
 529    exec->ExecuteProgramNV = _mesa_ExecuteProgramNV;
 530    exec->GenProgramsNV = _mesa_GenPrograms;
 531    exec->AreProgramsResidentNV = _mesa_AreProgramsResidentNV;
 532    exec->RequestResidentProgramsNV = _mesa_RequestResidentProgramsNV;
 533    exec->GetProgramParameterfvNV = _mesa_GetProgramParameterfvNV;
 534    exec->GetProgramParameterdvNV = _mesa_GetProgramParameterdvNV;
 535    exec->GetProgramivNV = _mesa_GetProgramivNV;
 536    exec->GetProgramStringNV = _mesa_GetProgramStringNV;
 537    exec->GetTrackMatrixivNV = _mesa_GetTrackMatrixivNV;
 538    exec->GetVertexAttribdvNV = _mesa_GetVertexAttribdvNV;
 539    exec->GetVertexAttribfvNV = _mesa_GetVertexAttribfvNV;
 540    exec->GetVertexAttribivNV = _mesa_GetVertexAttribivNV;
 541    exec->GetVertexAttribPointervNV = _mesa_GetVertexAttribPointervNV;
 542    exec->IsProgramNV = _mesa_IsProgram;
 543    exec->LoadProgramNV = _mesa_LoadProgramNV;
 544    exec->ProgramParameter4dNV = _mesa_ProgramParameter4dNV;
 545    exec->ProgramParameter4dvNV = _mesa_ProgramParameter4dvNV;
 546    exec->ProgramParameter4fNV = _mesa_ProgramParameter4fNV;
 547    exec->ProgramParameter4fvNV = _mesa_ProgramParameter4fvNV;
 548    exec->ProgramParameters4dvNV = _mesa_ProgramParameters4dvNV;
 549    exec->ProgramParameters4fvNV = _mesa_ProgramParameters4fvNV;
 550    exec->TrackMatrixNV = _mesa_TrackMatrixNV;
 551    exec->VertexAttribPointerNV = _mesa_VertexAttribPointerNV;
 552    /* glVertexAttrib*NV functions handled in api_loopback.c */
 553 #endif
 554
 555    /* 282. GL_NV_fragment_program */
 556 #if FEATURE_NV_fragment_program
 557    exec->ProgramNamedParameter4fNV = _mesa_ProgramNamedParameter4fNV;
 558    exec->ProgramNamedParameter4dNV = _mesa_ProgramNamedParameter4dNV;
 559    exec->ProgramNamedParameter4fvNV = _mesa_ProgramNamedParameter4fvNV;
 560    exec->ProgramNamedParameter4dvNV = _mesa_ProgramNamedParameter4dvNV;
 561    exec->GetProgramNamedParameterfvNV = _mesa_GetProgramNamedParameterfvNV;
 562    exec->GetProgramNamedParameterdvNV = _mesa_GetProgramNamedParameterdvNV;
 563    exec->ProgramLocalParameter4dARB = _mesa_ProgramLocalParameter4dARB;
 564    exec->ProgramLocalParameter4dvARB = _mesa_ProgramLocalParameter4dvARB;
 565    exec->ProgramLocalParameter4fARB = _mesa_ProgramLocalParameter4fARB;
 566    exec->ProgramLocalParameter4fvARB = _mesa_ProgramLocalParameter4fvARB;
 567    exec->GetProgramLocalParameterdvARB = _mesa_GetProgramLocalParameterdvARB;
 568    exec->GetProgramLocalParameterfvARB = _mesa_GetProgramLocalParameterfvARB;
 569 #endif
 570
 571    /* 262. GL_NV_point_sprite */
 572 #if _HAVE_FULL_GL
 573    exec->PointParameteriNV = _mesa_PointParameteriNV;
 574    exec->PointParameterivNV = _mesa_PointParameterivNV;
 575 #endif
 576
 577    /* 268. GL_EXT_stencil_two_side */
 578 #if _HAVE_FULL_GL
 579    exec->ActiveStencilFaceEXT = _mesa_ActiveStencilFaceEXT;
 580 #endif
 581
 582    /* ???. GL_EXT_depth_bounds_test */
 583    exec->DepthBoundsEXT = _mesa_DepthBoundsEXT;
 584
 585    /* ARB 1. GL_ARB_multitexture */
 586 #if _HAVE_FULL_GL
 587    exec->ActiveTextureARB = _mesa_ActiveTextureARB;
 588    exec->ClientActiveTextureARB = _mesa_ClientActiveTextureARB;
 589 #endif
 590
 591    /* ARB 3. GL_ARB_transpose_matrix */
 592 #if _HAVE_FULL_GL
 593    exec->LoadTransposeMatrixdARB = _mesa_LoadTransposeMatrixdARB;
 594    exec->LoadTransposeMatrixfARB = _mesa_LoadTransposeMatrixfARB;
 595    exec->MultTransposeMatrixdARB = _mesa_MultTransposeMatrixdARB;
 596    exec->MultTransposeMatrixfARB = _mesa_MultTransposeMatrixfARB;
 597 #endif
 598
 599    /* ARB 5. GL_ARB_multisample */
 600 #if _HAVE_FULL_GL
 601    exec->SampleCoverageARB = _mesa_SampleCoverageARB;
 602 #endif
 603
 604    /* ARB 12. GL_ARB_texture_compression */
 605 #if _HAVE_FULL_GL
 606    exec->CompressedTexImage3DARB = _mesa_CompressedTexImage3DARB;
 607    exec->CompressedTexImage2DARB = _mesa_CompressedTexImage2DARB;
 608    exec->CompressedTexImage1DARB = _mesa_CompressedTexImage1DARB;
 609    exec->CompressedTexSubImage3DARB = _mesa_CompressedTexSubImage3DARB;
 610    exec->CompressedTexSubImage2DARB = _mesa_CompressedTexSubImage2DARB;
 611    exec->CompressedTexSubImage1DARB = _mesa_CompressedTexSubImage1DARB;
 612    exec->GetCompressedTexImageARB = _mesa_GetCompressedTexImageARB;
 613 #endif
 614
 615    /* ARB 14. GL_ARB_point_parameters */
 616    /* reuse EXT_point_parameters functions */
 617
 618    /* ARB 26. GL_ARB_vertex_program */
 619    /* ARB 27. GL_ARB_fragment_program */
 620 #if FEATURE_ARB_vertex_program || FEATURE_ARB_fragment_program
 621    /* glVertexAttrib1sARB aliases glVertexAttrib1sNV */
 622    /* glVertexAttrib1fARB aliases glVertexAttrib1fNV */
 623    /* glVertexAttrib1dARB aliases glVertexAttrib1dNV */
 624    /* glVertexAttrib2sARB aliases glVertexAttrib2sNV */
 625    /* glVertexAttrib2fARB aliases glVertexAttrib2fNV */
 626    /* glVertexAttrib2dARB aliases glVertexAttrib2dNV */
 627    /* glVertexAttrib3sARB aliases glVertexAttrib3sNV */
 628    /* glVertexAttrib3fARB aliases glVertexAttrib3fNV */
 629    /* glVertexAttrib3dARB aliases glVertexAttrib3dNV */
 630    /* glVertexAttrib4sARB aliases glVertexAttrib4sNV */
 631    /* glVertexAttrib4fARB aliases glVertexAttrib4fNV */
 632    /* glVertexAttrib4dARB aliases glVertexAttrib4dNV */
 633    /* glVertexAttrib4NubARB aliases glVertexAttrib4NubNV */
 634    /* glVertexAttrib1svARB aliases glVertexAttrib1svNV */
 635    /* glVertexAttrib1fvARB aliases glVertexAttrib1fvNV */
 636    /* glVertexAttrib1dvARB aliases glVertexAttrib1dvNV */
 637    /* glVertexAttrib2svARB aliases glVertexAttrib2svNV */
 638    /* glVertexAttrib2fvARB aliases glVertexAttrib2fvNV */
 639    /* glVertexAttrib2dvARB aliases glVertexAttrib2dvNV */
 640    /* glVertexAttrib3svARB aliases glVertexAttrib3svNV */
 641    /* glVertexAttrib3fvARB aliases glVertexAttrib3fvNV */
 642    /* glVertexAttrib3dvARB aliases glVertexAttrib3dvNV */
 643    /* glVertexAttrib4svARB aliases glVertexAttrib4svNV */
 644    /* glVertexAttrib4fvARB aliases glVertexAttrib4fvNV */
 645    /* glVertexAttrib4dvARB aliases glVertexAttrib4dvNV */
 646    /* glVertexAttrib4NubvARB aliases glVertexAttrib4NubvNV */
 647    /* glVertexAttrib4bvARB handled in api_loopback.c */
 648    /* glVertexAttrib4ivARB handled in api_loopback.c */
 649    /* glVertexAttrib4ubvARB handled in api_loopback.c */
 650    /* glVertexAttrib4usvARB handled in api_loopback.c */
 651    /* glVertexAttrib4uivARB handled in api_loopback.c */
 652    /* glVertexAttrib4NbvARB handled in api_loopback.c */
 653    /* glVertexAttrib4NsvARB handled in api_loopback.c */
 654    /* glVertexAttrib4NivARB handled in api_loopback.c */
 655    /* glVertexAttrib4NusvARB handled in api_loopback.c */
 656    /* glVertexAttrib4NuivARB handled in api_loopback.c */
 657    exec->VertexAttribPointerARB = _mesa_VertexAttribPointerARB;
 658    exec->EnableVertexAttribArrayARB = _mesa_EnableVertexAttribArrayARB;
 659    exec->DisableVertexAttribArrayARB = _mesa_DisableVertexAttribArrayARB;
 660    exec->ProgramStringARB = _mesa_ProgramStringARB;
 661    /* glBindProgramARB aliases glBindProgramNV */
 662    /* glDeleteProgramsARB aliases glDeleteProgramsNV */
 663    /* glGenProgramsARB aliases glGenProgramsNV */
 664    /* glIsProgramARB aliases glIsProgramNV */
 665    exec->GetVertexAttribdvARB = _mesa_GetVertexAttribdvARB;
 666    exec->GetVertexAttribfvARB = _mesa_GetVertexAttribfvARB;
 667    exec->GetVertexAttribivARB = _mesa_GetVertexAttribivARB;
 668    /* glGetVertexAttribPointervARB aliases glGetVertexAttribPointervNV */
 669    exec->ProgramEnvParameter4dARB = _mesa_ProgramEnvParameter4dARB;
 670    exec->ProgramEnvParameter4dvARB = _mesa_ProgramEnvParameter4dvARB;
 671    exec->ProgramEnvParameter4fARB = _mesa_ProgramEnvParameter4fARB;
 672    exec->ProgramEnvParameter4fvARB = _mesa_ProgramEnvParameter4fvARB;
 673    exec->ProgramLocalParameter4dARB = _mesa_ProgramLocalParameter4dARB;
 674    exec->ProgramLocalParameter4dvARB = _mesa_ProgramLocalParameter4dvARB;
 675    exec->ProgramLocalParameter4fARB = _mesa_ProgramLocalParameter4fARB;
 676    exec->ProgramLocalParameter4fvARB = _mesa_ProgramLocalParameter4fvARB;
 677    exec->GetProgramEnvParameterdvARB = _mesa_GetProgramEnvParameterdvARB;
 678    exec->GetProgramEnvParameterfvARB = _mesa_GetProgramEnvParameterfvARB;
 679    exec->GetProgramLocalParameterdvARB = _mesa_GetProgramLocalParameterdvARB;
 680    exec->GetProgramLocalParameterfvARB = _mesa_GetProgramLocalParameterfvARB;
 681    exec->GetProgramivARB = _mesa_GetProgramivARB;
 682    exec->GetProgramStringARB = _mesa_GetProgramStringARB;
 683 #endif
 684
 685    /* ARB 28. GL_ARB_vertex_buffer_object */
 686 #if FEATURE_ARB_vertex_buffer_object
 687    exec->BindBufferARB = _mesa_BindBufferARB;
 688    exec->BufferDataARB = _mesa_BufferDataARB;
 689    exec->BufferSubDataARB = _mesa_BufferSubDataARB;
 690    exec->DeleteBuffersARB = _mesa_DeleteBuffersARB;
 691    exec->GenBuffersARB = _mesa_GenBuffersARB;
 692    exec->GetBufferParameterivARB = _mesa_GetBufferParameterivARB;
 693    exec->GetBufferPointervARB = _mesa_GetBufferPointervARB;
 694    exec->GetBufferSubDataARB = _mesa_GetBufferSubDataARB;
 695    exec->IsBufferARB = _mesa_IsBufferARB;
 696    exec->MapBufferARB = _mesa_MapBufferARB;
 697    exec->UnmapBufferARB = _mesa_UnmapBufferARB;
 698 #endif
 699
 700    /* ARB 29. GL_ARB_occlusion_query */
 701 #if FEATURE_ARB_occlusion_query
 702    exec->GenQueriesARB = _mesa_GenQueriesARB;
 703    exec->DeleteQueriesARB = _mesa_DeleteQueriesARB;
 704    exec->IsQueryARB = _mesa_IsQueryARB;
 705    exec->BeginQueryARB = _mesa_BeginQueryARB;
 706    exec->EndQueryARB = _mesa_EndQueryARB;
 707    exec->GetQueryivARB = _mesa_GetQueryivARB;
 708    exec->GetQueryObjectivARB = _mesa_GetQueryObjectivARB;
 709    exec->GetQueryObjectuivARB = _mesa_GetQueryObjectuivARB;
 710 #endif
 711
 712    /* ARB 37. GL_ARB_draw_buffers */
 713    exec->DrawBuffersARB = _mesa_DrawBuffersARB;
 714
 715 #if FEATURE_ARB_shader_objects
 716    exec->DeleteObjectARB = _mesa_DeleteObjectARB;
 717    exec->GetHandleARB = _mesa_GetHandleARB;
 718    exec->DetachObjectARB = _mesa_DetachObjectARB;
 719    exec->CreateShaderObjectARB = _mesa_CreateShaderObjectARB;
 720    exec->ShaderSourceARB = _mesa_ShaderSourceARB;
 721    exec->CompileShaderARB = _mesa_CompileShaderARB;
 722    exec->CreateProgramObjectARB = _mesa_CreateProgramObjectARB;
 723    exec->AttachObjectARB = _mesa_AttachObjectARB;
 724    exec->LinkProgramARB = _mesa_LinkProgramARB;
 725    exec->UseProgramObjectARB = _mesa_UseProgramObjectARB;
 726    exec->ValidateProgramARB = _mesa_ValidateProgramARB;
 727    exec->Uniform1fARB = _mesa_Uniform1fARB;
 728    exec->Uniform2fARB = _mesa_Uniform2fARB;
 729    exec->Uniform3fARB = _mesa_Uniform3fARB;
 730    exec->Uniform4fARB = _mesa_Uniform4fARB;
 731    exec->Uniform1iARB = _mesa_Uniform1iARB;
 732    exec->Uniform2iARB = _mesa_Uniform2iARB;
 733    exec->Uniform3iARB = _mesa_Uniform3iARB;
 734    exec->Uniform4iARB = _mesa_Uniform4iARB;
 735    exec->Uniform1fvARB = _mesa_Uniform1fvARB;
 736    exec->Uniform2fvARB = _mesa_Uniform2fvARB;
 737    exec->Uniform3fvARB = _mesa_Uniform3fvARB;
 738    exec->Uniform4fvARB = _mesa_Uniform4fvARB;
 739    exec->Uniform1ivARB = _mesa_Uniform1ivARB;
 740    exec->Uniform2ivARB = _mesa_Uniform2ivARB;
 741    exec->Uniform3ivARB = _mesa_Uniform3ivARB;
 742    exec->Uniform4ivARB = _mesa_Uniform4ivARB;
 743    exec->UniformMatrix2fvARB = _mesa_UniformMatrix2fvARB;
 744    exec->UniformMatrix3fvARB = _mesa_UniformMatrix3fvARB;
 745    exec->UniformMatrix4fvARB = _mesa_UniformMatrix4fvARB;
 746    exec->GetObjectParameterfvARB = _mesa_GetObjectParameterfvARB;
 747    exec->GetObjectParameterivARB = _mesa_GetObjectParameterivARB;
 748    exec->GetInfoLogARB = _mesa_GetInfoLogARB;
 749    exec->GetAttachedObjectsARB = _mesa_GetAttachedObjectsARB;
 750    exec->GetUniformLocationARB = _mesa_GetUniformLocationARB;
 751    exec->GetActiveUniformARB = _mesa_GetActiveUniformARB;
 752    exec->GetUniformfvARB = _mesa_GetUniformfvARB;
 753    exec->GetUniformivARB = _mesa_GetUniformivARB;
 754    exec->GetShaderSourceARB = _mesa_GetShaderSourceARB;
 755 #endif    /* FEATURE_ARB_shader_objects */
 756
 757 #if FEATURE_ARB_vertex_shader
 758    exec->BindAttribLocationARB = _mesa_BindAttribLocationARB;
 759    exec->GetActiveAttribARB = _mesa_GetActiveAttribARB;
 760    exec->GetAttribLocationARB = _mesa_GetAttribLocationARB;
 761 #endif    /* FEATURE_ARB_vertex_shader */
 762
 763   /* GL_ATI_fragment_shader */
 764 #if FEATURE_ATI_fragment_shader
 765    exec->GenFragmentShadersATI = _mesa_GenFragmentShadersATI;
 766    exec->BindFragmentShaderATI = _mesa_BindFragmentShaderATI;
 767    exec->DeleteFragmentShaderATI = _mesa_DeleteFragmentShaderATI;
 768    exec->BeginFragmentShaderATI = _mesa_BeginFragmentShaderATI;
 769    exec->EndFragmentShaderATI = _mesa_EndFragmentShaderATI;
 770    exec->PassTexCoordATI = _mesa_PassTexCoordATI;
 771    exec->SampleMapATI = _mesa_SampleMapATI;
 772    exec->ColorFragmentOp1ATI = _mesa_ColorFragmentOp1ATI;
 773    exec->ColorFragmentOp2ATI = _mesa_ColorFragmentOp2ATI;
 774    exec->ColorFragmentOp3ATI = _mesa_ColorFragmentOp3ATI;
 775    exec->AlphaFragmentOp1ATI = _mesa_AlphaFragmentOp1ATI;
 776    exec->AlphaFragmentOp2ATI = _mesa_AlphaFragmentOp2ATI;
 777    exec->AlphaFragmentOp3ATI = _mesa_AlphaFragmentOp3ATI;
 778    exec->SetFragmentShaderConstantATI = _mesa_SetFragmentShaderConstantATI;
 779 #endif
 780
 781 #if FEATURE_EXT_framebuffer_object
 782    exec->IsRenderbufferEXT = _mesa_IsRenderbufferEXT;
 783    exec->BindRenderbufferEXT = _mesa_BindRenderbufferEXT;
 784    exec->DeleteRenderbuffersEXT = _mesa_DeleteRenderbuffersEXT;
 785    exec->GenRenderbuffersEXT = _mesa_GenRenderbuffersEXT;
 786    exec->RenderbufferStorageEXT = _mesa_RenderbufferStorageEXT;
 787    exec->GetRenderbufferParameterivEXT = _mesa_GetRenderbufferParameterivEXT;
 788    exec->IsFramebufferEXT = _mesa_IsFramebufferEXT;
 789    exec->BindFramebufferEXT = _mesa_BindFramebufferEXT;
 790    exec->DeleteFramebuffersEXT = _mesa_DeleteFramebuffersEXT;
 791    exec->GenFramebuffersEXT = _mesa_GenFramebuffersEXT;
 792    exec->CheckFramebufferStatusEXT = _mesa_CheckFramebufferStatusEXT;
 793    exec->FramebufferTexture1DEXT = _mesa_FramebufferTexture1DEXT;
 794    exec->FramebufferTexture2DEXT = _mesa_FramebufferTexture2DEXT;
 795    exec->FramebufferTexture3DEXT = _mesa_FramebufferTexture3DEXT;
 796    exec->FramebufferRenderbufferEXT = _mesa_FramebufferRenderbufferEXT;
 797    exec->GetFramebufferAttachmentParameterivEXT = _mesa_GetFramebufferAttachmentParameterivEXT;
 798    exec->GenerateMipmapEXT = _mesa_GenerateMipmapEXT;
 799 #endif
 800 }
 801
 802
 803
 804 /**********************************************************************/
 805 /** \name State update logic */
 806 /*@{*/
 807
 808
 809 static void
 810 update_separate_specular( GLcontext *ctx )
 811 {
 812    if (NEED_SECONDARY_COLOR(ctx))
 813       ctx->_TriangleCaps |= DD_SEPARATE_SPECULAR;
 814    else
 815       ctx->_TriangleCaps &= ~DD_SEPARATE_SPECULAR;
 816 }
 817
 818
 819 /**
 820  * Update state dependent on vertex arrays.
 821  */
 822 static void
 823 update_arrays( GLcontext *ctx )
 824 {
 825    GLuint i, min;
 826
 827    /* find min of _MaxElement values for all enabled arrays */
 828
 829    /* 0 */
 830    if (ctx->VertexProgram._Enabled
 831        && ctx->Array.VertexAttrib[VERT_ATTRIB_POS].Enabled) {
 832       min = ctx->Array.VertexAttrib[VERT_ATTRIB_POS]._MaxElement;
 833    }
 834    else if (ctx->Array.Vertex.Enabled) {
 835       min = ctx->Array.Vertex._MaxElement;
 836    }
 837    else {
 838       /* can't draw anything without vertex positions! */
 839       min = 0;
 840    }
 841
 842    /* 1 */
 843    if (ctx->VertexProgram._Enabled
 844        && ctx->Array.VertexAttrib[VERT_ATTRIB_WEIGHT].Enabled) {
 845       min = MIN2(min, ctx->Array.VertexAttrib[VERT_ATTRIB_WEIGHT]._MaxElement);
 846    }
 847    /* no conventional vertex weight array */
 848
 849    /* 2 */
 850    if (ctx->VertexProgram._Enabled
 851        && ctx->Array.VertexAttrib[VERT_ATTRIB_NORMAL].Enabled) {
 852       min = MIN2(min, ctx->Array.VertexAttrib[VERT_ATTRIB_NORMAL]._MaxElement);
 853    }
 854    else if (ctx->Array.Normal.Enabled) {
 855       min = MIN2(min, ctx->Array.Normal._MaxElement);
 856    }
 857
 858    /* 3 */
 859    if (ctx->VertexProgram._Enabled
 860        && ctx->Array.VertexAttrib[VERT_ATTRIB_COLOR0].Enabled) {
 861       min = MIN2(min, ctx->Array.VertexAttrib[VERT_ATTRIB_COLOR0]._MaxElement);
 862    }
 863    else if (ctx->Array.Color.Enabled) {
 864       min = MIN2(min, ctx->Array.Color._MaxElement);
 865    }
 866
 867    /* 4 */
 868    if (ctx->VertexProgram._Enabled
 869        && ctx->Array.VertexAttrib[VERT_ATTRIB_COLOR1].Enabled) {
 870       min = MIN2(min, ctx->Array.VertexAttrib[VERT_ATTRIB_COLOR1]._MaxElement);
 871    }
 872    else if (ctx->Array.SecondaryColor.Enabled) {
 873       min = MIN2(min, ctx->Array.SecondaryColor._MaxElement);
 874    }
 875
 876    /* 5 */
 877    if (ctx->VertexProgram._Enabled
 878        && ctx->Array.VertexAttrib[VERT_ATTRIB_FOG].Enabled) {
 879       min = MIN2(min, ctx->Array.VertexAttrib[VERT_ATTRIB_FOG]._MaxElement);
 880    }
 881    else if (ctx->Array.FogCoord.Enabled) {
 882       min = MIN2(min, ctx->Array.FogCoord._MaxElement);
 883    }
 884
 885    /* 6 */
 886    if (ctx->VertexProgram._Enabled
 887        && ctx->Array.VertexAttrib[VERT_ATTRIB_SIX].Enabled) {
 888       min = MIN2(min, ctx->Array.VertexAttrib[VERT_ATTRIB_SIX]._MaxElement);
 889    }
 890
 891    /* 7 */
 892    if (ctx->VertexProgram._Enabled
 893        && ctx->Array.VertexAttrib[VERT_ATTRIB_SEVEN].Enabled) {
 894       min = MIN2(min, ctx->Array.VertexAttrib[VERT_ATTRIB_SEVEN]._MaxElement);
 895    }
 896
 897    /* 8..15 */
 898    for (i = VERT_ATTRIB_TEX0; i < VERT_ATTRIB_MAX; i++) {
 899       if (ctx->VertexProgram._Enabled
 900           && ctx->Array.VertexAttrib[i].Enabled) {
 901          min = MIN2(min, ctx->Array.VertexAttrib[i]._MaxElement);
 902       }
 903       else if (i - VERT_ATTRIB_TEX0 < ctx->Const.MaxTextureCoordUnits
 904                && ctx->Array.TexCoord[i - VERT_ATTRIB_TEX0].Enabled) {
 905          min = MIN2(min, ctx->Array.TexCoord[i - VERT_ATTRIB_TEX0]._MaxElement);
 906       }
 907    }
 908
 909    if (ctx->Array.Index.Enabled) {
 910       min = MIN2(min, ctx->Array.Index._MaxElement);
 911    }
 912
 913    if (ctx->Array.EdgeFlag.Enabled) {
 914       min = MIN2(min, ctx->Array.EdgeFlag._MaxElement);
 915    }
 916
 917    /* _MaxElement is one past the last legal array element */
 918    ctx->Array._MaxElement = min;
 919 }
 920
 921
 922 /**
 923  * Update derived vertex/fragment program state.
 924  */
 925 static void
 926 update_program(GLcontext *ctx)
 927 {
 928    /* For now, just set the _Enabled (really enabled) flags.
 929     * In the future we may have to check other state to be sure we really
 930     * have a runable program or shader.
 931     */
 932    ctx->VertexProgram._Enabled = ctx->VertexProgram.Enabled
 933       && ctx->VertexProgram.Current->Instructions;
 934    ctx->FragmentProgram._Enabled = ctx->FragmentProgram.Enabled
 935       && ctx->FragmentProgram.Current->Instructions;
 936    ctx->ATIFragmentShader._Enabled = ctx->ATIFragmentShader.Enabled
 937       && ctx->ATIFragmentShader.Current->Instructions;
 938
 939    ctx->FragmentProgram._Current = ctx->FragmentProgram.Current;
 940    ctx->FragmentProgram._Active = ctx->FragmentProgram._Enabled;
 941
 942    if (ctx->_MaintainTexEnvProgram && !ctx->FragmentProgram._Enabled) {
 943       if (!ctx->_TexEnvProgram)
 944          ctx->_TexEnvProgram = (struct fragment_program *)
 945             ctx->Driver.NewProgram(ctx, GL_FRAGMENT_PROGRAM_ARB, 0);
 946
 947       ctx->FragmentProgram._Current = ctx->_TexEnvProgram;
 948       ctx->FragmentProgram._Active = GL_TRUE;
 949    }
 950 }
 951
 952
 953 /**
 954  * If __GLcontextRec::NewState is non-zero then this function \b must be called
 955  * before rendering any primitive.  Basically, function pointers and
 956  * miscellaneous flags are updated to reflect the current state of the state
 957  * machine.
 958  *
 959  * Calls dd_function_table::UpdateState to perform any internal state
 960  * management necessary.
 961  *
 962  * \sa _mesa_update_modelview_project(), _mesa_update_texture(),
 963  * _mesa_update_buffer_bounds(), _mesa_update_polygon(),
 964  * _mesa_update_lighting() and _mesa_update_tnl_spaces().
 965  */
 966 void
 967 _mesa_update_state( GLcontext *ctx )
 968 {
 969    GLuint new_state = ctx->NewState;
 970
 971    if (MESA_VERBOSE & VERBOSE_STATE)
 972       _mesa_print_state("_mesa_update_state", new_state);
 973
 974    if (new_state & _NEW_PROGRAM)
 975       update_program( ctx );
 976
 977    if (new_state & (_NEW_MODELVIEW|_NEW_PROJECTION))
 978       _mesa_update_modelview_project( ctx, new_state );
 979
 980    if (new_state & (_NEW_PROGRAM|_NEW_TEXTURE|_NEW_TEXTURE_MATRIX))
 981       _mesa_update_texture( ctx, new_state );
 982
 983    if (new_state & (_NEW_BUFFERS | _NEW_COLOR | _NEW_PIXEL))
 984       _mesa_update_framebuffer(ctx);
 985
 986    if (new_state & (_NEW_SCISSOR|_NEW_BUFFERS))
 987       _mesa_update_draw_buffer_bounds( ctx );
 988
 989    if (new_state & _NEW_POLYGON)
 990       _mesa_update_polygon( ctx );
 991
 992    if (new_state & _NEW_LIGHT)
 993       _mesa_update_lighting( ctx );
 994
 995    if (new_state & _IMAGE_NEW_TRANSFER_STATE)
 996       _mesa_update_pixel( ctx, new_state );
 997
 998    if (new_state & _DD_NEW_SEPARATE_SPECULAR)
 999       update_separate_specular( ctx );
1000
1001    if (new_state & (_NEW_ARRAY | _NEW_PROGRAM))
1002       update_arrays( ctx );
1003
1004    if (ctx->_MaintainTexEnvProgram) {
1005       if (new_state & (_NEW_TEXTURE | _DD_NEW_SEPARATE_SPECULAR | _NEW_FOG))
1006          _mesa_UpdateTexEnvProgram(ctx);
1007    }
1008
1009    /* ctx->_NeedEyeCoords is now up to date.
1010     *
1011     * If the truth value of this variable has changed, update for the
1012     * new lighting space and recompute the positions of lights and the
1013     * normal transform.
1014     *
1015     * If the lighting space hasn't changed, may still need to recompute
1016     * light positions & normal transforms for other reasons.
1017     */
1018    if (new_state & _MESA_NEW_NEED_EYE_COORDS)
1019       _mesa_update_tnl_spaces( ctx, new_state );
1020
1021    /*
1022     * Give the driver a chance to act upon the new_state flags.
1023     * The driver might plug in different span functions, for example.
1024     * Also, this is where the driver can invalidate the state of any
1025     * active modules (such as swrast_setup, swrast, tnl, etc).
1026     *
1027     * Set ctx->NewState to zero to avoid recursion if
1028     * Driver.UpdateState() has to call FLUSH_VERTICES().  (fixed?)
1029     */
1030    new_state = ctx->NewState;
1031    ctx->NewState = 0;
1032    ctx->Driver.UpdateState(ctx, new_state);
1033    ctx->Array.NewState = 0;
1034 }
1035
1036 /*@}*/