src/mesa/main/state.c

   1 /**
   2  * \file state.c
   3  * State management.
   4  *
   5  * This file manages recalculation of derived values in the __GLcontextRec.
   6  * Also, this is where we initialize the API dispatch table.
   7  */
   8
   9 /*
  10  * Mesa 3-D graphics library
  11  * Version:  5.1
  12  *
  13  * Copyright (C) 1999-2003  Brian Paul   All Rights Reserved.
  14  *
  15  * Permission is hereby granted, free of charge, to any person obtaining a
  16  * copy of this software and associated documentation files (the "Software"),
  17  * to deal in the Software without restriction, including without limitation
  18  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  19  * and/or sell copies of the Software, and to permit persons to whom the
  20  * Software is furnished to do so, subject to the following conditions:
  21  *
  22  * The above copyright notice and this permission notice shall be included
  23  * in all copies or substantial portions of the Software.
  24  *
  25  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  26  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  27  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  28  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  29  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  30  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  31  */
  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 #include "attrib.h"
  41 #include "blend.h"
  42 #if FEATURE_ARB_vertex_buffer_object
  43 #include "bufferobj.h"
  44 #endif
  45 #include "buffers.h"
  46 #include "clip.h"
  47 #include "colortab.h"
  48 #include "context.h"
  49 #include "convolve.h"
  50 #include "depth.h"
  51 #include "dlist.h"
  52 #include "drawpix.h"
  53 #include "enable.h"
  54 #include "eval.h"
  55 #include "get.h"
  56 #include "feedback.h"
  57 #include "fog.h"
  58 #include "hint.h"
  59 #include "histogram.h"
  60 #include "imports.h"
  61 #include "light.h"
  62 #include "lines.h"
  63 #include "matrix.h"
  64 #if FEATURE_ARB_occlusion_query
  65 #include "occlude.h"
  66 #endif
  67 #include "pixel.h"
  68 #include "points.h"
  69 #include "polygon.h"
  70 #include "rastpos.h"
  71 #include "state.h"
  72 #include "stencil.h"
  73 #include "teximage.h"
  74 #include "texobj.h"
  75 #include "texstate.h"
  76 #include "mtypes.h"
  77 #include "varray.h"
  78 #if FEATURE_NV_vertex_program || FEATURE_NV_fragment_program
  79 #include "nvprogram.h"
  80 #endif
  81 #if FEATURE_NV_fragment_program
  82 #include "nvfragprog.h"
  83 #endif
  84 #include "debug.h"
  85
  86 /* #include "math/m_matrix.h" */
  87 /* #include "math/m_xform.h" */
  88
  89
  90 /**********************************************************************/
  91 /** \name Dispatch table setup */
  92 /*@{*/
  93
  94 /**
  95  * Generic no-op dispatch function.
  96  *
  97  * Used in replacement of the functions which are not part of Mesa subset.
  98  *
  99  * Displays a message.
 100  */
 101 static int
 102 generic_noop(void)
 103 {
 104    _mesa_problem(NULL, "User called no-op dispatch function (not part of Mesa subset?)");
 105    return 0;
 106 }
 107
 108
 109 /**
 110  * Set all pointers in the given dispatch table to point to a
 111  * generic no-op function - generic_noop().
 112  *
 113  * \param table dispatch table.
 114  * \param tableSize dispatch table size.
 115  */
 116 void
 117 _mesa_init_no_op_table(struct _glapi_table *table, GLuint tableSize)
 118 {
 119    GLuint i;
 120    void **dispatch = (void **) table;
 121    for (i = 0; i < tableSize; i++) {
 122       dispatch[i] = (void *) generic_noop;
 123    }
 124 }
 125
 126
 127 /**
 128  * Initialize a dispatch table with pointers to Mesa's immediate-mode
 129  * commands.
 130  *
 131  * Pointers to glBegin()/glEnd() object commands and a few others
 132  * are provided via the GLvertexformat interface.
 133  *
 134  * \param exec dispatch table.
 135  * \param tableSize dispatch table size.
 136  */
 137 void
 138 _mesa_init_exec_table(struct _glapi_table *exec, GLuint tableSize)
 139 {
 140    /* first initialize all dispatch slots to no-op */
 141    _mesa_init_no_op_table(exec, tableSize);
 142
 143 #if _HAVE_FULL_GL
 144    _mesa_loopback_init_api_table( exec, GL_TRUE );
 145 #endif
 146
 147    /* load the dispatch slots we understand */
 148    exec->AlphaFunc = _mesa_AlphaFunc;
 149    exec->BlendFunc = _mesa_BlendFunc;
 150    exec->Clear = _mesa_Clear;
 151    exec->ClearColor = _mesa_ClearColor;
 152    exec->ClearStencil = _mesa_ClearStencil;
 153    exec->ColorMask = _mesa_ColorMask;
 154    exec->CullFace = _mesa_CullFace;
 155    exec->Disable = _mesa_Disable;
 156    exec->DrawBuffer = _mesa_DrawBuffer;
 157    exec->Enable = _mesa_Enable;
 158    exec->Finish = _mesa_Finish;
 159    exec->Flush = _mesa_Flush;
 160    exec->FrontFace = _mesa_FrontFace;
 161    exec->Frustum = _mesa_Frustum;
 162    exec->GetError = _mesa_GetError;
 163    exec->GetFloatv = _mesa_GetFloatv;
 164    exec->GetString = _mesa_GetString;
 165    exec->InitNames = _mesa_InitNames;
 166    exec->LineStipple = _mesa_LineStipple;
 167    exec->LineWidth = _mesa_LineWidth;
 168    exec->LoadIdentity = _mesa_LoadIdentity;
 169    exec->LoadMatrixf = _mesa_LoadMatrixf;
 170    exec->LoadName = _mesa_LoadName;
 171    exec->LogicOp = _mesa_LogicOp;
 172    exec->MatrixMode = _mesa_MatrixMode;
 173    exec->MultMatrixf = _mesa_MultMatrixf;
 174    exec->Ortho = _mesa_Ortho;
 175    exec->PixelStorei = _mesa_PixelStorei;
 176    exec->PopMatrix = _mesa_PopMatrix;
 177    exec->PopName = _mesa_PopName;
 178    exec->PushMatrix = _mesa_PushMatrix;
 179    exec->PushName = _mesa_PushName;
 180    exec->RasterPos2f = _mesa_RasterPos2f;
 181    exec->RasterPos2fv = _mesa_RasterPos2fv;
 182    exec->RasterPos2i = _mesa_RasterPos2i;
 183    exec->RasterPos2iv = _mesa_RasterPos2iv;
 184    exec->ReadBuffer = _mesa_ReadBuffer;
 185    exec->RenderMode = _mesa_RenderMode;
 186    exec->Rotatef = _mesa_Rotatef;
 187    exec->Scalef = _mesa_Scalef;
 188    exec->Scissor = _mesa_Scissor;
 189    exec->SelectBuffer = _mesa_SelectBuffer;
 190    exec->ShadeModel = _mesa_ShadeModel;
 191    exec->StencilFunc = _mesa_StencilFunc;
 192    exec->StencilMask = _mesa_StencilMask;
 193    exec->StencilOp = _mesa_StencilOp;
 194    exec->TexEnvfv = _mesa_TexEnvfv;
 195    exec->TexEnvi = _mesa_TexEnvi;
 196    exec->TexImage2D = _mesa_TexImage2D;
 197    exec->TexParameteri = _mesa_TexParameteri;
 198    exec->Translatef = _mesa_Translatef;
 199    exec->Viewport = _mesa_Viewport;
 200 #if _HAVE_FULL_GL
 201    exec->Accum = _mesa_Accum;
 202    exec->Bitmap = _mesa_Bitmap;
 203    exec->CallList = _mesa_CallList;
 204    exec->CallLists = _mesa_CallLists;
 205    exec->ClearAccum = _mesa_ClearAccum;
 206    exec->ClearDepth = _mesa_ClearDepth;
 207    exec->ClearIndex = _mesa_ClearIndex;
 208    exec->ClipPlane = _mesa_ClipPlane;
 209    exec->ColorMaterial = _mesa_ColorMaterial;
 210    exec->CopyPixels = _mesa_CopyPixels;
 211    exec->DeleteLists = _mesa_DeleteLists;
 212    exec->DepthFunc = _mesa_DepthFunc;
 213    exec->DepthMask = _mesa_DepthMask;
 214    exec->DepthRange = _mesa_DepthRange;
 215    exec->DrawPixels = _mesa_DrawPixels;
 216    exec->EndList = _mesa_EndList;
 217    exec->FeedbackBuffer = _mesa_FeedbackBuffer;
 218    exec->FogCoordPointerEXT = _mesa_FogCoordPointerEXT;
 219    exec->Fogf = _mesa_Fogf;
 220    exec->Fogfv = _mesa_Fogfv;
 221    exec->Fogi = _mesa_Fogi;
 222    exec->Fogiv = _mesa_Fogiv;
 223    exec->GenLists = _mesa_GenLists;
 224    exec->GetClipPlane = _mesa_GetClipPlane;
 225    exec->GetBooleanv = _mesa_GetBooleanv;
 226    exec->GetDoublev = _mesa_GetDoublev;
 227    exec->GetIntegerv = _mesa_GetIntegerv;
 228    exec->GetLightfv = _mesa_GetLightfv;
 229    exec->GetLightiv = _mesa_GetLightiv;
 230    exec->GetMapdv = _mesa_GetMapdv;
 231    exec->GetMapfv = _mesa_GetMapfv;
 232    exec->GetMapiv = _mesa_GetMapiv;
 233    exec->GetMaterialfv = _mesa_GetMaterialfv;
 234    exec->GetMaterialiv = _mesa_GetMaterialiv;
 235    exec->GetPixelMapfv = _mesa_GetPixelMapfv;
 236    exec->GetPixelMapuiv = _mesa_GetPixelMapuiv;
 237    exec->GetPixelMapusv = _mesa_GetPixelMapusv;
 238    exec->GetPolygonStipple = _mesa_GetPolygonStipple;
 239    exec->GetTexEnvfv = _mesa_GetTexEnvfv;
 240    exec->GetTexEnviv = _mesa_GetTexEnviv;
 241    exec->GetTexLevelParameterfv = _mesa_GetTexLevelParameterfv;
 242    exec->GetTexLevelParameteriv = _mesa_GetTexLevelParameteriv;
 243    exec->GetTexParameterfv = _mesa_GetTexParameterfv;
 244    exec->GetTexParameteriv = _mesa_GetTexParameteriv;
 245    exec->GetTexGendv = _mesa_GetTexGendv;
 246    exec->GetTexGenfv = _mesa_GetTexGenfv;
 247    exec->GetTexGeniv = _mesa_GetTexGeniv;
 248    exec->GetTexImage = _mesa_GetTexImage;
 249    exec->Hint = _mesa_Hint;
 250    exec->IndexMask = _mesa_IndexMask;
 251    exec->IsEnabled = _mesa_IsEnabled;
 252    exec->IsList = _mesa_IsList;
 253    exec->LightModelf = _mesa_LightModelf;
 254    exec->LightModelfv = _mesa_LightModelfv;
 255    exec->LightModeli = _mesa_LightModeli;
 256    exec->LightModeliv = _mesa_LightModeliv;
 257    exec->Lightf = _mesa_Lightf;
 258    exec->Lightfv = _mesa_Lightfv;
 259    exec->Lighti = _mesa_Lighti;
 260    exec->Lightiv = _mesa_Lightiv;
 261    exec->ListBase = _mesa_ListBase;
 262    exec->LoadMatrixd = _mesa_LoadMatrixd;
 263    exec->Map1d = _mesa_Map1d;
 264    exec->Map1f = _mesa_Map1f;
 265    exec->Map2d = _mesa_Map2d;
 266    exec->Map2f = _mesa_Map2f;
 267    exec->MapGrid1d = _mesa_MapGrid1d;
 268    exec->MapGrid1f = _mesa_MapGrid1f;
 269    exec->MapGrid2d = _mesa_MapGrid2d;
 270    exec->MapGrid2f = _mesa_MapGrid2f;
 271    exec->MultMatrixd = _mesa_MultMatrixd;
 272    exec->NewList = _mesa_NewList;
 273    exec->PassThrough = _mesa_PassThrough;
 274    exec->PixelMapfv = _mesa_PixelMapfv;
 275    exec->PixelMapuiv = _mesa_PixelMapuiv;
 276    exec->PixelMapusv = _mesa_PixelMapusv;
 277    exec->PixelStoref = _mesa_PixelStoref;
 278    exec->PixelTransferf = _mesa_PixelTransferf;
 279    exec->PixelTransferi = _mesa_PixelTransferi;
 280    exec->PixelZoom = _mesa_PixelZoom;
 281    exec->PointSize = _mesa_PointSize;
 282    exec->PolygonMode = _mesa_PolygonMode;
 283    exec->PolygonOffset = _mesa_PolygonOffset;
 284    exec->PolygonStipple = _mesa_PolygonStipple;
 285    exec->PopAttrib = _mesa_PopAttrib;
 286    exec->PushAttrib = _mesa_PushAttrib;
 287    exec->RasterPos2d = _mesa_RasterPos2d;
 288    exec->RasterPos2dv = _mesa_RasterPos2dv;
 289    exec->RasterPos2s = _mesa_RasterPos2s;
 290    exec->RasterPos2sv = _mesa_RasterPos2sv;
 291    exec->RasterPos3d = _mesa_RasterPos3d;
 292    exec->RasterPos3dv = _mesa_RasterPos3dv;
 293    exec->RasterPos3f = _mesa_RasterPos3f;
 294    exec->RasterPos3fv = _mesa_RasterPos3fv;
 295    exec->RasterPos3i = _mesa_RasterPos3i;
 296    exec->RasterPos3iv = _mesa_RasterPos3iv;
 297    exec->RasterPos3s = _mesa_RasterPos3s;
 298    exec->RasterPos3sv = _mesa_RasterPos3sv;
 299    exec->RasterPos4d = _mesa_RasterPos4d;
 300    exec->RasterPos4dv = _mesa_RasterPos4dv;
 301    exec->RasterPos4f = _mesa_RasterPos4f;
 302    exec->RasterPos4fv = _mesa_RasterPos4fv;
 303    exec->RasterPos4i = _mesa_RasterPos4i;
 304    exec->RasterPos4iv = _mesa_RasterPos4iv;
 305    exec->RasterPos4s = _mesa_RasterPos4s;
 306    exec->RasterPos4sv = _mesa_RasterPos4sv;
 307    exec->ReadPixels = _mesa_ReadPixels;
 308    exec->Rotated = _mesa_Rotated;
 309    exec->Scaled = _mesa_Scaled;
 310    exec->SecondaryColorPointerEXT = _mesa_SecondaryColorPointerEXT;
 311    exec->TexEnvf = _mesa_TexEnvf;
 312    exec->TexEnviv = _mesa_TexEnviv;
 313    exec->TexGend = _mesa_TexGend;
 314    exec->TexGendv = _mesa_TexGendv;
 315    exec->TexGenf = _mesa_TexGenf;
 316    exec->TexGenfv = _mesa_TexGenfv;
 317    exec->TexGeni = _mesa_TexGeni;
 318    exec->TexGeniv = _mesa_TexGeniv;
 319    exec->TexImage1D = _mesa_TexImage1D;
 320    exec->TexParameterf = _mesa_TexParameterf;
 321    exec->TexParameterfv = _mesa_TexParameterfv;
 322    exec->TexParameteriv = _mesa_TexParameteriv;
 323    exec->Translated = _mesa_Translated;
 324 #endif
 325
 326    /* 1.1 */
 327    exec->BindTexture = _mesa_BindTexture;
 328    exec->DeleteTextures = _mesa_DeleteTextures;
 329    exec->GenTextures = _mesa_GenTextures;
 330 #if _HAVE_FULL_GL
 331    exec->AreTexturesResident = _mesa_AreTexturesResident;
 332    exec->AreTexturesResidentEXT = _mesa_AreTexturesResident;
 333    exec->ColorPointer = _mesa_ColorPointer;
 334    exec->CopyTexImage1D = _mesa_CopyTexImage1D;
 335    exec->CopyTexImage2D = _mesa_CopyTexImage2D;
 336    exec->CopyTexSubImage1D = _mesa_CopyTexSubImage1D;
 337    exec->CopyTexSubImage2D = _mesa_CopyTexSubImage2D;
 338    exec->DisableClientState = _mesa_DisableClientState;
 339    exec->EdgeFlagPointer = _mesa_EdgeFlagPointer;
 340    exec->EnableClientState = _mesa_EnableClientState;
 341    exec->GenTexturesEXT = _mesa_GenTextures;
 342    exec->GetPointerv = _mesa_GetPointerv;
 343    exec->IndexPointer = _mesa_IndexPointer;
 344    exec->InterleavedArrays = _mesa_InterleavedArrays;
 345    exec->IsTexture = _mesa_IsTexture;
 346    exec->IsTextureEXT = _mesa_IsTexture;
 347    exec->NormalPointer = _mesa_NormalPointer;
 348    exec->PopClientAttrib = _mesa_PopClientAttrib;
 349    exec->PrioritizeTextures = _mesa_PrioritizeTextures;
 350    exec->PushClientAttrib = _mesa_PushClientAttrib;
 351    exec->TexCoordPointer = _mesa_TexCoordPointer;
 352    exec->TexSubImage1D = _mesa_TexSubImage1D;
 353    exec->TexSubImage2D = _mesa_TexSubImage2D;
 354    exec->VertexPointer = _mesa_VertexPointer;
 355 #endif
 356
 357    /* 1.2 */
 358 #if _HAVE_FULL_GL
 359    exec->CopyTexSubImage3D = _mesa_CopyTexSubImage3D;
 360    exec->TexImage3D = _mesa_TexImage3D;
 361    exec->TexSubImage3D = _mesa_TexSubImage3D;
 362 #endif
 363
 364    /* OpenGL 1.2  GL_ARB_imaging */
 365 #if _HAVE_FULL_GL
 366    exec->BlendColor = _mesa_BlendColor;
 367    exec->BlendEquation = _mesa_BlendEquation;
 368    exec->ColorSubTable = _mesa_ColorSubTable;
 369    exec->ColorTable = _mesa_ColorTable;
 370    exec->ColorTableParameterfv = _mesa_ColorTableParameterfv;
 371    exec->ColorTableParameteriv = _mesa_ColorTableParameteriv;
 372    exec->ConvolutionFilter1D = _mesa_ConvolutionFilter1D;
 373    exec->ConvolutionFilter2D = _mesa_ConvolutionFilter2D;
 374    exec->ConvolutionParameterf = _mesa_ConvolutionParameterf;
 375    exec->ConvolutionParameterfv = _mesa_ConvolutionParameterfv;
 376    exec->ConvolutionParameteri = _mesa_ConvolutionParameteri;
 377    exec->ConvolutionParameteriv = _mesa_ConvolutionParameteriv;
 378    exec->CopyColorSubTable = _mesa_CopyColorSubTable;
 379    exec->CopyColorTable = _mesa_CopyColorTable;
 380    exec->CopyConvolutionFilter1D = _mesa_CopyConvolutionFilter1D;
 381    exec->CopyConvolutionFilter2D = _mesa_CopyConvolutionFilter2D;
 382    exec->GetColorTable = _mesa_GetColorTable;
 383    exec->GetColorTableEXT = _mesa_GetColorTable;
 384    exec->GetColorTableParameterfv = _mesa_GetColorTableParameterfv;
 385    exec->GetColorTableParameterfvEXT = _mesa_GetColorTableParameterfv;
 386    exec->GetColorTableParameteriv = _mesa_GetColorTableParameteriv;
 387    exec->GetColorTableParameterivEXT = _mesa_GetColorTableParameteriv;
 388    exec->GetConvolutionFilter = _mesa_GetConvolutionFilter;
 389    exec->GetConvolutionFilterEXT = _mesa_GetConvolutionFilter;
 390    exec->GetConvolutionParameterfv = _mesa_GetConvolutionParameterfv;
 391    exec->GetConvolutionParameterfvEXT = _mesa_GetConvolutionParameterfv;
 392    exec->GetConvolutionParameteriv = _mesa_GetConvolutionParameteriv;
 393    exec->GetConvolutionParameterivEXT = _mesa_GetConvolutionParameteriv;
 394    exec->GetHistogram = _mesa_GetHistogram;
 395    exec->GetHistogramEXT = _mesa_GetHistogram;
 396    exec->GetHistogramParameterfv = _mesa_GetHistogramParameterfv;
 397    exec->GetHistogramParameterfvEXT = _mesa_GetHistogramParameterfv;
 398    exec->GetHistogramParameteriv = _mesa_GetHistogramParameteriv;
 399    exec->GetHistogramParameterivEXT = _mesa_GetHistogramParameteriv;
 400    exec->GetMinmax = _mesa_GetMinmax;
 401    exec->GetMinmaxEXT = _mesa_GetMinmax;
 402    exec->GetMinmaxParameterfv = _mesa_GetMinmaxParameterfv;
 403    exec->GetMinmaxParameterfvEXT = _mesa_GetMinmaxParameterfv;
 404    exec->GetMinmaxParameteriv = _mesa_GetMinmaxParameteriv;
 405    exec->GetMinmaxParameterivEXT = _mesa_GetMinmaxParameteriv;
 406    exec->GetSeparableFilter = _mesa_GetSeparableFilter;
 407    exec->GetSeparableFilterEXT = _mesa_GetSeparableFilter;
 408    exec->Histogram = _mesa_Histogram;
 409    exec->Minmax = _mesa_Minmax;
 410    exec->ResetHistogram = _mesa_ResetHistogram;
 411    exec->ResetMinmax = _mesa_ResetMinmax;
 412    exec->SeparableFilter2D = _mesa_SeparableFilter2D;
 413 #endif
 414
 415    /* 2. GL_EXT_blend_color */
 416 #if 0
 417 /*    exec->BlendColorEXT = _mesa_BlendColorEXT; */
 418 #endif
 419
 420    /* 3. GL_EXT_polygon_offset */
 421 #if _HAVE_FULL_GL
 422    exec->PolygonOffsetEXT = _mesa_PolygonOffsetEXT;
 423 #endif
 424
 425    /* 6. GL_EXT_texture3d */
 426 #if 0
 427 /*    exec->CopyTexSubImage3DEXT = _mesa_CopyTexSubImage3D; */
 428 /*    exec->TexImage3DEXT = _mesa_TexImage3DEXT; */
 429 /*    exec->TexSubImage3DEXT = _mesa_TexSubImage3D; */
 430 #endif
 431
 432    /* 11. GL_EXT_histogram */
 433 #if _HAVE_FULL_GL
 434    exec->GetHistogramEXT = _mesa_GetHistogram;
 435    exec->GetHistogramParameterfvEXT = _mesa_GetHistogramParameterfv;
 436    exec->GetHistogramParameterivEXT = _mesa_GetHistogramParameteriv;
 437    exec->GetMinmaxEXT = _mesa_GetMinmax;
 438    exec->GetMinmaxParameterfvEXT = _mesa_GetMinmaxParameterfv;
 439    exec->GetMinmaxParameterivEXT = _mesa_GetMinmaxParameteriv;
 440 #endif
 441
 442    /* ?. GL_SGIX_pixel_texture */
 443 #if _HAVE_FULL_GL
 444    exec->PixelTexGenSGIX = _mesa_PixelTexGenSGIX;
 445 #endif
 446
 447    /* 15. GL_SGIS_pixel_texture */
 448 #if _HAVE_FULL_GL
 449    exec->PixelTexGenParameteriSGIS = _mesa_PixelTexGenParameteriSGIS;
 450    exec->PixelTexGenParameterivSGIS = _mesa_PixelTexGenParameterivSGIS;
 451    exec->PixelTexGenParameterfSGIS = _mesa_PixelTexGenParameterfSGIS;
 452    exec->PixelTexGenParameterfvSGIS = _mesa_PixelTexGenParameterfvSGIS;
 453    exec->GetPixelTexGenParameterivSGIS = _mesa_GetPixelTexGenParameterivSGIS;
 454    exec->GetPixelTexGenParameterfvSGIS = _mesa_GetPixelTexGenParameterfvSGIS;
 455 #endif
 456
 457    /* 30. GL_EXT_vertex_array */
 458 #if _HAVE_FULL_GL
 459    exec->ColorPointerEXT = _mesa_ColorPointerEXT;
 460    exec->EdgeFlagPointerEXT = _mesa_EdgeFlagPointerEXT;
 461    exec->IndexPointerEXT = _mesa_IndexPointerEXT;
 462    exec->NormalPointerEXT = _mesa_NormalPointerEXT;
 463    exec->TexCoordPointerEXT = _mesa_TexCoordPointerEXT;
 464    exec->VertexPointerEXT = _mesa_VertexPointerEXT;
 465 #endif
 466
 467    /* 37. GL_EXT_blend_minmax */
 468 #if 0
 469    exec->BlendEquationEXT = _mesa_BlendEquationEXT;
 470 #endif
 471
 472    /* 54. GL_EXT_point_parameters */
 473 #if _HAVE_FULL_GL
 474    exec->PointParameterfEXT = _mesa_PointParameterfEXT;
 475    exec->PointParameterfvEXT = _mesa_PointParameterfvEXT;
 476 #endif
 477
 478    /* 78. GL_EXT_paletted_texture */
 479 #if 0
 480    exec->ColorTableEXT = _mesa_ColorTableEXT;
 481    exec->ColorSubTableEXT = _mesa_ColorSubTableEXT;
 482 #endif
 483 #if _HAVE_FULL_GL
 484    exec->GetColorTableEXT = _mesa_GetColorTable;
 485    exec->GetColorTableParameterfvEXT = _mesa_GetColorTableParameterfv;
 486    exec->GetColorTableParameterivEXT = _mesa_GetColorTableParameteriv;
 487 #endif
 488
 489    /* 97. GL_EXT_compiled_vertex_array */
 490 #if _HAVE_FULL_GL
 491    exec->LockArraysEXT = _mesa_LockArraysEXT;
 492    exec->UnlockArraysEXT = _mesa_UnlockArraysEXT;
 493 #endif
 494
 495    /* 148. GL_EXT_multi_draw_arrays */
 496 #if _HAVE_FULL_GL
 497    exec->MultiDrawArraysEXT = _mesa_MultiDrawArraysEXT;
 498    exec->MultiDrawElementsEXT = _mesa_MultiDrawElementsEXT;
 499 #endif
 500
 501    /* 173. GL_INGR_blend_func_separate */
 502 #if _HAVE_FULL_GL
 503    exec->BlendFuncSeparateEXT = _mesa_BlendFuncSeparateEXT;
 504 #endif
 505
 506    /* 196. GL_MESA_resize_buffers */
 507 #if _HAVE_FULL_GL
 508    exec->ResizeBuffersMESA = _mesa_ResizeBuffersMESA;
 509 #endif
 510
 511    /* 197. GL_MESA_window_pos */
 512 #if _HAVE_FULL_GL
 513    exec->WindowPos2dMESA = _mesa_WindowPos2dMESA;
 514    exec->WindowPos2dvMESA = _mesa_WindowPos2dvMESA;
 515    exec->WindowPos2fMESA = _mesa_WindowPos2fMESA;
 516    exec->WindowPos2fvMESA = _mesa_WindowPos2fvMESA;
 517    exec->WindowPos2iMESA = _mesa_WindowPos2iMESA;
 518    exec->WindowPos2ivMESA = _mesa_WindowPos2ivMESA;
 519    exec->WindowPos2sMESA = _mesa_WindowPos2sMESA;
 520    exec->WindowPos2svMESA = _mesa_WindowPos2svMESA;
 521    exec->WindowPos3dMESA = _mesa_WindowPos3dMESA;
 522    exec->WindowPos3dvMESA = _mesa_WindowPos3dvMESA;
 523    exec->WindowPos3fMESA = _mesa_WindowPos3fMESA;
 524    exec->WindowPos3fvMESA = _mesa_WindowPos3fvMESA;
 525    exec->WindowPos3iMESA = _mesa_WindowPos3iMESA;
 526    exec->WindowPos3ivMESA = _mesa_WindowPos3ivMESA;
 527    exec->WindowPos3sMESA = _mesa_WindowPos3sMESA;
 528    exec->WindowPos3svMESA = _mesa_WindowPos3svMESA;
 529    exec->WindowPos4dMESA = _mesa_WindowPos4dMESA;
 530    exec->WindowPos4dvMESA = _mesa_WindowPos4dvMESA;
 531    exec->WindowPos4fMESA = _mesa_WindowPos4fMESA;
 532    exec->WindowPos4fvMESA = _mesa_WindowPos4fvMESA;
 533    exec->WindowPos4iMESA = _mesa_WindowPos4iMESA;
 534    exec->WindowPos4ivMESA = _mesa_WindowPos4ivMESA;
 535    exec->WindowPos4sMESA = _mesa_WindowPos4sMESA;
 536    exec->WindowPos4svMESA = _mesa_WindowPos4svMESA;
 537 #endif
 538
 539    /* 233. GL_NV_vertex_program */
 540 #if FEATURE_NV_vertex_program
 541    exec->BindProgramNV = _mesa_BindProgramNV;
 542    exec->DeleteProgramsNV = _mesa_DeleteProgramsNV;
 543    exec->ExecuteProgramNV = _mesa_ExecuteProgramNV;
 544    exec->GenProgramsNV = _mesa_GenProgramsNV;
 545    exec->AreProgramsResidentNV = _mesa_AreProgramsResidentNV;
 546    exec->RequestResidentProgramsNV = _mesa_RequestResidentProgramsNV;
 547    exec->GetProgramParameterfvNV = _mesa_GetProgramParameterfvNV;
 548    exec->GetProgramParameterdvNV = _mesa_GetProgramParameterdvNV;
 549    exec->GetProgramivNV = _mesa_GetProgramivNV;
 550    exec->GetProgramStringNV = _mesa_GetProgramStringNV;
 551    exec->GetTrackMatrixivNV = _mesa_GetTrackMatrixivNV;
 552    exec->GetVertexAttribdvNV = _mesa_GetVertexAttribdvNV;
 553    exec->GetVertexAttribfvNV = _mesa_GetVertexAttribfvNV;
 554    exec->GetVertexAttribivNV = _mesa_GetVertexAttribivNV;
 555    exec->GetVertexAttribPointervNV = _mesa_GetVertexAttribPointervNV;
 556    exec->IsProgramNV = _mesa_IsProgramNV;
 557    exec->LoadProgramNV = _mesa_LoadProgramNV;
 558    exec->ProgramParameter4dNV = _mesa_ProgramParameter4dNV;
 559    exec->ProgramParameter4dvNV = _mesa_ProgramParameter4dvNV;
 560    exec->ProgramParameter4fNV = _mesa_ProgramParameter4fNV;
 561    exec->ProgramParameter4fvNV = _mesa_ProgramParameter4fvNV;
 562    exec->ProgramParameters4dvNV = _mesa_ProgramParameters4dvNV;
 563    exec->ProgramParameters4fvNV = _mesa_ProgramParameters4fvNV;
 564    exec->TrackMatrixNV = _mesa_TrackMatrixNV;
 565    exec->VertexAttribPointerNV = _mesa_VertexAttribPointerNV;
 566    /* glVertexAttrib*NV functions handled in api_loopback.c */
 567 #endif
 568
 569    /* 282. GL_NV_fragment_program */
 570 #if FEATURE_NV_fragment_program
 571    exec->ProgramNamedParameter4fNV = _mesa_ProgramNamedParameter4fNV;
 572    exec->ProgramNamedParameter4dNV = _mesa_ProgramNamedParameter4dNV;
 573    exec->ProgramNamedParameter4fvNV = _mesa_ProgramNamedParameter4fvNV;
 574    exec->ProgramNamedParameter4dvNV = _mesa_ProgramNamedParameter4dvNV;
 575    exec->GetProgramNamedParameterfvNV = _mesa_GetProgramNamedParameterfvNV;
 576    exec->GetProgramNamedParameterdvNV = _mesa_GetProgramNamedParameterdvNV;
 577    exec->ProgramLocalParameter4dARB = _mesa_ProgramLocalParameter4dARB;
 578    exec->ProgramLocalParameter4dvARB = _mesa_ProgramLocalParameter4dvARB;
 579    exec->ProgramLocalParameter4fARB = _mesa_ProgramLocalParameter4fARB;
 580    exec->ProgramLocalParameter4fvARB = _mesa_ProgramLocalParameter4fvARB;
 581    exec->GetProgramLocalParameterdvARB = _mesa_GetProgramLocalParameterdvARB;
 582    exec->GetProgramLocalParameterfvARB = _mesa_GetProgramLocalParameterfvARB;
 583 #endif
 584
 585    /* 262. GL_NV_point_sprite */
 586 #if _HAVE_FULL_GL
 587    exec->PointParameteriNV = _mesa_PointParameteriNV;
 588    exec->PointParameterivNV = _mesa_PointParameterivNV;
 589 #endif
 590
 591    /* 268. GL_EXT_stencil_two_side */
 592 #if _HAVE_FULL_GL
 593    exec->ActiveStencilFaceEXT = _mesa_ActiveStencilFaceEXT;
 594 #endif
 595
 596    /* ???. GL_EXT_depth_bounds_test */
 597    exec->DepthBoundsEXT = _mesa_DepthBoundsEXT;
 598
 599    /* ARB 1. GL_ARB_multitexture */
 600 #if _HAVE_FULL_GL
 601    exec->ActiveTextureARB = _mesa_ActiveTextureARB;
 602    exec->ClientActiveTextureARB = _mesa_ClientActiveTextureARB;
 603 #endif
 604
 605    /* ARB 3. GL_ARB_transpose_matrix */
 606 #if _HAVE_FULL_GL
 607    exec->LoadTransposeMatrixdARB = _mesa_LoadTransposeMatrixdARB;
 608    exec->LoadTransposeMatrixfARB = _mesa_LoadTransposeMatrixfARB;
 609    exec->MultTransposeMatrixdARB = _mesa_MultTransposeMatrixdARB;
 610    exec->MultTransposeMatrixfARB = _mesa_MultTransposeMatrixfARB;
 611 #endif
 612
 613    /* ARB 5. GL_ARB_multisample */
 614 #if _HAVE_FULL_GL
 615    exec->SampleCoverageARB = _mesa_SampleCoverageARB;
 616 #endif
 617
 618    /* ARB 12. GL_ARB_texture_compression */
 619 #if _HAVE_FULL_GL
 620    exec->CompressedTexImage3DARB = _mesa_CompressedTexImage3DARB;
 621    exec->CompressedTexImage2DARB = _mesa_CompressedTexImage2DARB;
 622    exec->CompressedTexImage1DARB = _mesa_CompressedTexImage1DARB;
 623    exec->CompressedTexSubImage3DARB = _mesa_CompressedTexSubImage3DARB;
 624    exec->CompressedTexSubImage2DARB = _mesa_CompressedTexSubImage2DARB;
 625    exec->CompressedTexSubImage1DARB = _mesa_CompressedTexSubImage1DARB;
 626    exec->GetCompressedTexImageARB = _mesa_GetCompressedTexImageARB;
 627 #endif
 628
 629    /* ARB 14. GL_ARB_point_parameters */
 630    /* reuse EXT_point_parameters functions */
 631
 632    /* ARB 26. GL_ARB_vertex_program */
 633    /* ARB 27. GL_ARB_fragment_program */
 634 #if FEATURE_ARB_vertex_program || FEATURE_ARB_fragment_program
 635    /* glVertexAttrib1sARB aliases glVertexAttrib1sNV */
 636    /* glVertexAttrib1fARB aliases glVertexAttrib1fNV */
 637    /* glVertexAttrib1dARB aliases glVertexAttrib1dNV */
 638    /* glVertexAttrib2sARB aliases glVertexAttrib2sNV */
 639    /* glVertexAttrib2fARB aliases glVertexAttrib2fNV */
 640    /* glVertexAttrib2dARB aliases glVertexAttrib2dNV */
 641    /* glVertexAttrib3sARB aliases glVertexAttrib3sNV */
 642    /* glVertexAttrib3fARB aliases glVertexAttrib3fNV */
 643    /* glVertexAttrib3dARB aliases glVertexAttrib3dNV */
 644    /* glVertexAttrib4sARB aliases glVertexAttrib4sNV */
 645    /* glVertexAttrib4fARB aliases glVertexAttrib4fNV */
 646    /* glVertexAttrib4dARB aliases glVertexAttrib4dNV */
 647    /* glVertexAttrib4NubARB aliases glVertexAttrib4NubNV */
 648    /* glVertexAttrib1svARB aliases glVertexAttrib1svNV */
 649    /* glVertexAttrib1fvARB aliases glVertexAttrib1fvNV */
 650    /* glVertexAttrib1dvARB aliases glVertexAttrib1dvNV */
 651    /* glVertexAttrib2svARB aliases glVertexAttrib2svNV */
 652    /* glVertexAttrib2fvARB aliases glVertexAttrib2fvNV */
 653    /* glVertexAttrib2dvARB aliases glVertexAttrib2dvNV */
 654    /* glVertexAttrib3svARB aliases glVertexAttrib3svNV */
 655    /* glVertexAttrib3fvARB aliases glVertexAttrib3fvNV */
 656    /* glVertexAttrib3dvARB aliases glVertexAttrib3dvNV */
 657    /* glVertexAttrib4svARB aliases glVertexAttrib4svNV */
 658    /* glVertexAttrib4fvARB aliases glVertexAttrib4fvNV */
 659    /* glVertexAttrib4dvARB aliases glVertexAttrib4dvNV */
 660    /* glVertexAttrib4NubvARB aliases glVertexAttrib4NubvNV */
 661    /* glVertexAttrib4bvARB handled in api_loopback.c */
 662    /* glVertexAttrib4ivARB handled in api_loopback.c */
 663    /* glVertexAttrib4ubvARB handled in api_loopback.c */
 664    /* glVertexAttrib4usvARB handled in api_loopback.c */
 665    /* glVertexAttrib4uivARB handled in api_loopback.c */
 666    /* glVertexAttrib4NbvARB handled in api_loopback.c */
 667    /* glVertexAttrib4NsvARB handled in api_loopback.c */
 668    /* glVertexAttrib4NivARB handled in api_loopback.c */
 669    /* glVertexAttrib4NusvARB handled in api_loopback.c */
 670    /* glVertexAttrib4NuivARB handled in api_loopback.c */
 671    exec->VertexAttribPointerARB = _mesa_VertexAttribPointerARB;
 672    exec->EnableVertexAttribArrayARB = _mesa_EnableVertexAttribArrayARB;
 673    exec->DisableVertexAttribArrayARB = _mesa_DisableVertexAttribArrayARB;
 674    exec->ProgramStringARB = _mesa_ProgramStringARB;
 675    /* glBindProgramARB aliases glBindProgramNV */
 676    /* glDeleteProgramsARB aliases glDeleteProgramsNV */
 677    /* glGenProgramsARB aliases glGenProgramsNV */
 678    /* glIsProgramARB aliases glIsProgramNV */
 679    /* glGetVertexAttribdvARB aliases glGetVertexAttribdvNV */
 680    /* glGetVertexAttribfvARB aliases glGetVertexAttribfvNV */
 681    /* glGetVertexAttribivARB aliases glGetVertexAttribivNV */
 682    /* glGetVertexAttribPointervARB aliases glGetVertexAttribPointervNV */
 683    exec->ProgramEnvParameter4dARB = _mesa_ProgramEnvParameter4dARB;
 684    exec->ProgramEnvParameter4dvARB = _mesa_ProgramEnvParameter4dvARB;
 685    exec->ProgramEnvParameter4fARB = _mesa_ProgramEnvParameter4fARB;
 686    exec->ProgramEnvParameter4fvARB = _mesa_ProgramEnvParameter4fvARB;
 687    exec->ProgramLocalParameter4dARB = _mesa_ProgramLocalParameter4dARB;
 688    exec->ProgramLocalParameter4dvARB = _mesa_ProgramLocalParameter4dvARB;
 689    exec->ProgramLocalParameter4fARB = _mesa_ProgramLocalParameter4fARB;
 690    exec->ProgramLocalParameter4fvARB = _mesa_ProgramLocalParameter4fvARB;
 691    exec->GetProgramEnvParameterdvARB = _mesa_GetProgramEnvParameterdvARB;
 692    exec->GetProgramEnvParameterfvARB = _mesa_GetProgramEnvParameterfvARB;
 693    exec->GetProgramLocalParameterdvARB = _mesa_GetProgramLocalParameterdvARB;
 694    exec->GetProgramLocalParameterfvARB = _mesa_GetProgramLocalParameterfvARB;
 695    exec->GetProgramivARB = _mesa_GetProgramivARB;
 696    exec->GetProgramStringARB = _mesa_GetProgramStringARB;
 697 #endif
 698
 699    /* ARB 28. GL_ARB_vertex_buffer_object */
 700 #if FEATURE_ARB_vertex_buffer_object
 701    exec->BindBufferARB = _mesa_BindBufferARB;
 702    exec->BufferDataARB = _mesa_BufferDataARB;
 703    exec->BufferSubDataARB = _mesa_BufferSubDataARB;
 704    exec->DeleteBuffersARB = _mesa_DeleteBuffersARB;
 705    exec->GenBuffersARB = _mesa_GenBuffersARB;
 706    exec->GetBufferParameterivARB = _mesa_GetBufferParameterivARB;
 707    exec->GetBufferPointervARB = _mesa_GetBufferPointervARB;
 708    exec->GetBufferSubDataARB = _mesa_GetBufferSubDataARB;
 709    exec->IsBufferARB = _mesa_IsBufferARB;
 710    exec->MapBufferARB = _mesa_MapBufferARB;
 711    exec->UnmapBufferARB = _mesa_UnmapBufferARB;
 712 #endif
 713
 714 #if FEATURE_ARB_occlusion_query
 715    exec->GenQueriesARB = _mesa_GenQueriesARB;
 716    exec->DeleteQueriesARB = _mesa_DeleteQueriesARB;
 717    exec->IsQueryARB = _mesa_IsQueryARB;
 718    exec->BeginQueryARB = _mesa_BeginQueryARB;
 719    exec->EndQueryARB = _mesa_EndQueryARB;
 720    exec->GetQueryivARB = _mesa_GetQueryivARB;
 721    exec->GetQueryObjectivARB = _mesa_GetQueryObjectivARB;
 722    exec->GetQueryObjectuivARB = _mesa_GetQueryObjectuivARB;
 723 #endif
 724 }
 725
 726 /*@}*/
 727
 728
 729 /**********************************************************************/
 730 /** \name State update logic */
 731 /*@{*/
 732
 733
 734
 735
 736
 737
 738
 739
 740
 741 /*
 742  * Update items which depend on vertex/fragment programs.
 743  */
 744 static void
 745 update_program( GLcontext *ctx )
 746 {
 747    if (ctx->FragmentProgram.Enabled && ctx->FragmentProgram.Current) {
 748       if (ctx->FragmentProgram.Current->InputsRead & (1 << FRAG_ATTRIB_COL1))
 749          ctx->_TriangleCaps |= DD_SEPARATE_SPECULAR;
 750    }
 751 }
 752
 753
 754 /*
 755  * If __GLcontextRec::NewState is non-zero then this function \b must be called
 756  * before rendering any primitive.  Basically, function pointers and
 757  * miscellaneous flags are updated to reflect the current state of the state
 758  * machine.
 759  *
 760  * Calls dd_function_table::UpdateState to perform any internal state management
 761  * necessary.
 762  *
 763  * \sa _mesa_update_modelview_project(), _mesa_update_texture(),
 764  * _mesa_update_buffers(), _mesa_update_polygon(), _mesa_update_lighting() and
 765  * _mesa_update_tnl_spaces().
 766  */
 767 void _mesa_update_state( GLcontext *ctx )
 768 {
 769    const GLuint new_state = ctx->NewState;
 770
 771    if (MESA_VERBOSE & VERBOSE_STATE)
 772       _mesa_print_state("_mesa_update_state", new_state);
 773
 774    if (new_state & (_NEW_MODELVIEW|_NEW_PROJECTION))
 775       _mesa_update_modelview_project( ctx, new_state );
 776
 777    if (new_state & (_NEW_TEXTURE|_NEW_TEXTURE_MATRIX))
 778       _mesa_update_texture( ctx, new_state );
 779
 780    if (new_state & (_NEW_SCISSOR|_NEW_BUFFERS))
 781       _mesa_update_buffers( ctx );
 782
 783    if (new_state & _NEW_POLYGON)
 784       _mesa_update_polygon( ctx );
 785
 786    if (new_state & _NEW_LIGHT)
 787       _mesa_update_lighting( ctx );
 788
 789
 790    if (new_state & _NEW_PROGRAM)
 791       update_program( ctx );
 792
 793
 794    /* ctx->_NeedEyeCoords is now uptodate.
 795     *
 796     * If the truth value of this variable has changed, update for the
 797     * new lighting space and recompute the positions of lights and the
 798     * normal transform.
 799     *
 800     * If the lighting space hasn't changed, may still need to recompute
 801     * light positions & normal transforms for other reasons.
 802     */
 803    if (new_state & _MESA_NEW_NEED_EYE_COORDS)
 804       _mesa_update_tnl_spaces( ctx, new_state );
 805
 806    /*
 807     * Here the driver sets up all the ctx->Driver function pointers
 808     * to it's specific, private functions, and performs any
 809     * internal state management necessary, including invalidating
 810     * state of active modules.
 811     *
 812     * Set ctx->NewState to zero to avoid recursion if
 813     * Driver.UpdateState() has to call FLUSH_VERTICES().  (fixed?)
 814     */
 815    ctx->NewState = 0;
 816    ctx->Driver.UpdateState(ctx, new_state);
 817    ctx->Array.NewState = 0;
 818
 819    /* At this point we can do some assertions to be sure the required
 820     * device driver function pointers are all initialized.
 821     */
 822    _mesa_check_driver_hooks( ctx );
 823 }
 824
 825 /*@}*/