src/mesa/main/get_gen.py

   1 #!/usr/bin/env python
   2
   3 # Mesa 3-D graphics library
   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 # This script is used to generate the get.c file:
  26 # python get_gen.py > get.c
  27
  28
  29 import string
  30
  31
  32 GLint = 1
  33 GLenum = 2
  34 GLfloat = 3
  35 GLdouble = 4
  36 GLboolean = 5
  37 GLfloatN = 6    # A normalized value, such as a color or depth range
  38
  39
  40 TypeStrings = {
  41         GLint : "GLint",
  42         GLenum : "GLenum",
  43         GLfloat : "GLfloat",
  44         GLdouble : "GLdouble",
  45         GLboolean : "GLboolean"
  46 }
  47
  48
  49 # Each entry is a tuple of:
  50 #  - the GL state name, such as GL_CURRENT_COLOR
  51 #  - the state datatype, one of GLint, GLfloat, GLboolean or GLenum
  52 #  - list of code fragments to get the state, such as ["ctx->Foo.Bar"]
  53 #  - optional extra code or empty string
  54 #  - optional extension to check, or None  (XXX this should be a list!)
  55 #
  56 StateVars = [
  57         ( "GL_ACCUM_RED_BITS", GLint, ["ctx->Visual.accumRedBits"], "", None ),
  58         ( "GL_ACCUM_GREEN_BITS", GLint, ["ctx->Visual.accumGreenBits"], "", None ),
  59         ( "GL_ACCUM_BLUE_BITS", GLint, ["ctx->Visual.accumBlueBits"], "", None ),
  60         ( "GL_ACCUM_ALPHA_BITS", GLint, ["ctx->Visual.accumAlphaBits"], "", None ),
  61         ( "GL_ACCUM_CLEAR_VALUE", GLfloatN,
  62           [ "ctx->Accum.ClearColor[0]",
  63                 "ctx->Accum.ClearColor[1]",
  64                 "ctx->Accum.ClearColor[2]",
  65                 "ctx->Accum.ClearColor[3]" ],
  66           "", None ),
  67         ( "GL_ALPHA_BIAS", GLfloat, ["ctx->Pixel.AlphaBias"], "", None ),
  68         ( "GL_ALPHA_BITS", GLint, ["ctx->Visual.alphaBits"], "", None ),
  69         ( "GL_ALPHA_SCALE", GLfloat, ["ctx->Pixel.AlphaScale"], "", None ),
  70         ( "GL_ALPHA_TEST", GLboolean, ["ctx->Color.AlphaEnabled"], "", None ),
  71         ( "GL_ALPHA_TEST_FUNC", GLenum, ["ctx->Color.AlphaFunc"], "", None ),
  72         ( "GL_ALPHA_TEST_REF", GLfloatN, ["ctx->Color.AlphaRef"], "", None ),
  73         ( "GL_ATTRIB_STACK_DEPTH", GLint, ["ctx->AttribStackDepth"], "", None ),
  74         ( "GL_AUTO_NORMAL", GLboolean, ["ctx->Eval.AutoNormal"], "", None ),
  75         ( "GL_AUX_BUFFERS", GLint, ["ctx->Visual.numAuxBuffers"], "", None ),
  76         ( "GL_BLEND", GLboolean, ["ctx->Color.BlendEnabled"], "", None ),
  77         ( "GL_BLEND_DST", GLenum, ["ctx->Color.BlendDstRGB"], "", None ),
  78         ( "GL_BLEND_SRC", GLenum, ["ctx->Color.BlendSrcRGB"], "", None ),
  79         ( "GL_BLEND_SRC_RGB_EXT", GLenum, ["ctx->Color.BlendSrcRGB"], "", None ),
  80         ( "GL_BLEND_DST_RGB_EXT", GLenum, ["ctx->Color.BlendDstRGB"], "", None ),
  81         ( "GL_BLEND_SRC_ALPHA_EXT", GLenum, ["ctx->Color.BlendSrcA"], "", None ),
  82         ( "GL_BLEND_DST_ALPHA_EXT", GLenum, ["ctx->Color.BlendDstA"], "", None ),
  83         ( "GL_BLEND_EQUATION", GLenum, ["ctx->Color.BlendEquationRGB "], "", None),
  84         ( "GL_BLEND_EQUATION_ALPHA_EXT", GLenum, ["ctx->Color.BlendEquationA "],
  85           "", None ),
  86         ( "GL_BLEND_COLOR_EXT", GLfloatN,
  87           [ "ctx->Color.BlendColor[0]",
  88                 "ctx->Color.BlendColor[1]",
  89                 "ctx->Color.BlendColor[2]",
  90                 "ctx->Color.BlendColor[3]"], "", None ),
  91         ( "GL_BLUE_BIAS", GLfloat, ["ctx->Pixel.BlueBias"], "", None ),
  92         ( "GL_BLUE_BITS", GLint, ["ctx->Visual.blueBits"], "", None ),
  93         ( "GL_BLUE_SCALE", GLfloat, ["ctx->Pixel.BlueScale"], "", None ),
  94         ( "GL_CLIENT_ATTRIB_STACK_DEPTH", GLint,
  95           ["ctx->ClientAttribStackDepth"], "", None ),
  96         ( "GL_CLIP_PLANE0", GLboolean,
  97           [ "(ctx->Transform.ClipPlanesEnabled >> 0) & 1" ], "", None ),
  98         ( "GL_CLIP_PLANE1", GLboolean,
  99           [ "(ctx->Transform.ClipPlanesEnabled >> 1) & 1" ], "", None ),
 100         ( "GL_CLIP_PLANE2", GLboolean,
 101           [ "(ctx->Transform.ClipPlanesEnabled >> 2) & 1" ], "", None ),
 102         ( "GL_CLIP_PLANE3", GLboolean,
 103           [ "(ctx->Transform.ClipPlanesEnabled >> 3) & 1" ], "", None ),
 104         ( "GL_CLIP_PLANE4", GLboolean,
 105           [ "(ctx->Transform.ClipPlanesEnabled >> 4) & 1" ], "", None ),
 106         ( "GL_CLIP_PLANE5", GLboolean,
 107           [ "(ctx->Transform.ClipPlanesEnabled >> 5) & 1" ], "", None ),
 108         ( "GL_COLOR_CLEAR_VALUE", GLfloatN,
 109           [ "ctx->Color.ClearColor[0]",
 110                 "ctx->Color.ClearColor[1]",
 111                 "ctx->Color.ClearColor[2]",
 112                 "ctx->Color.ClearColor[3]" ], "", None ),
 113         ( "GL_COLOR_MATERIAL", GLboolean,
 114           ["ctx->Light.ColorMaterialEnabled"], "", None ),
 115         ( "GL_COLOR_MATERIAL_FACE", GLenum,
 116           ["ctx->Light.ColorMaterialFace"], "", None ),
 117         ( "GL_COLOR_MATERIAL_PARAMETER", GLenum,
 118           ["ctx->Light.ColorMaterialMode"], "", None ),
 119         ( "GL_COLOR_WRITEMASK", GLint,
 120           [ "ctx->Color.ColorMask[RCOMP] ? 1 : 0",
 121                 "ctx->Color.ColorMask[GCOMP] ? 1 : 0",
 122                 "ctx->Color.ColorMask[BCOMP] ? 1 : 0",
 123                 "ctx->Color.ColorMask[ACOMP] ? 1 : 0" ], "", None ),
 124         ( "GL_CULL_FACE", GLboolean, ["ctx->Polygon.CullFlag"], "", None ),
 125         ( "GL_CULL_FACE_MODE", GLenum, ["ctx->Polygon.CullFaceMode"], "", None ),
 126         ( "GL_CURRENT_COLOR", GLfloatN,
 127           [ "ctx->Current.Attrib[VERT_ATTRIB_COLOR0][0]",
 128                 "ctx->Current.Attrib[VERT_ATTRIB_COLOR0][1]",
 129                 "ctx->Current.Attrib[VERT_ATTRIB_COLOR0][2]",
 130                 "ctx->Current.Attrib[VERT_ATTRIB_COLOR0][3]" ],
 131           "FLUSH_CURRENT(ctx, 0);", None ),
 132         ( "GL_CURRENT_INDEX", GLfloat, ["ctx->Current.Index"],
 133           "FLUSH_CURRENT(ctx, 0);", None ),
 134         ( "GL_CURRENT_NORMAL", GLfloatN,
 135           [ "ctx->Current.Attrib[VERT_ATTRIB_NORMAL][0]",
 136                 "ctx->Current.Attrib[VERT_ATTRIB_NORMAL][1]",
 137                 "ctx->Current.Attrib[VERT_ATTRIB_NORMAL][2]"],
 138           "FLUSH_CURRENT(ctx, 0);", None ),
 139         ( "GL_CURRENT_RASTER_COLOR", GLfloatN,
 140           ["ctx->Current.RasterColor[0]",
 141            "ctx->Current.RasterColor[1]",
 142            "ctx->Current.RasterColor[2]",
 143            "ctx->Current.RasterColor[3]"], "", None ),
 144         ( "GL_CURRENT_RASTER_DISTANCE", GLfloat,
 145           ["ctx->Current.RasterDistance"], "", None ),
 146         ( "GL_CURRENT_RASTER_INDEX", GLfloat,
 147           ["ctx->Current.RasterIndex"], "", None ),
 148         ( "GL_CURRENT_RASTER_POSITION", GLfloat,
 149           ["ctx->Current.RasterPos[0]",
 150            "ctx->Current.RasterPos[1]",
 151            "ctx->Current.RasterPos[2]",
 152            "ctx->Current.RasterPos[3]"], "", None ),
 153         ( "GL_CURRENT_RASTER_TEXTURE_COORDS", GLfloat,
 154           ["ctx->Current.RasterTexCoords[texUnit][0]",
 155            "ctx->Current.RasterTexCoords[texUnit][1]",
 156            "ctx->Current.RasterTexCoords[texUnit][2]",
 157            "ctx->Current.RasterTexCoords[texUnit][3]"],
 158           "const GLuint texUnit = ctx->Texture.CurrentUnit;", None ),
 159         ( "GL_CURRENT_RASTER_POSITION_VALID", GLboolean,
 160           ["ctx->Current.RasterPosValid"], "", None ),
 161         ( "GL_CURRENT_TEXTURE_COORDS", GLfloat,
 162           ["ctx->Current.Attrib[VERT_ATTRIB_TEX0 + texUnit][0]",
 163            "ctx->Current.Attrib[VERT_ATTRIB_TEX0 + texUnit][1]",
 164            "ctx->Current.Attrib[VERT_ATTRIB_TEX0 + texUnit][2]",
 165            "ctx->Current.Attrib[VERT_ATTRIB_TEX0 + texUnit][3]"],
 166           "const GLuint texUnit = ctx->Texture.CurrentUnit;", None ),
 167         ( "GL_DEPTH_BIAS", GLfloat, ["ctx->Pixel.DepthBias"], "", None ),
 168         ( "GL_DEPTH_BITS", GLint, ["ctx->Visual.depthBits"], "", None ),
 169         ( "GL_DEPTH_CLEAR_VALUE", GLfloat, ["ctx->Depth.Clear"], "", None ),
 170         ( "GL_DEPTH_FUNC", GLenum, ["ctx->Depth.Func"], "", None ),
 171         ( "GL_DEPTH_RANGE", GLfloatN,
 172           [ "ctx->Viewport.Near", "ctx->Viewport.Far" ], "", None ),
 173         ( "GL_DEPTH_SCALE", GLfloat, ["ctx->Pixel.DepthScale"], "", None ),
 174         ( "GL_DEPTH_TEST", GLboolean, ["ctx->Depth.Test"], "", None ),
 175         ( "GL_DEPTH_WRITEMASK", GLboolean, ["ctx->Depth.Mask"], "", None ),
 176         ( "GL_DITHER", GLboolean, ["ctx->Color.DitherFlag"], "", None ),
 177         ( "GL_DOUBLEBUFFER", GLboolean, ["ctx->Visual.doubleBufferMode"], "", None ),
 178         ( "GL_DRAW_BUFFER", GLenum, ["ctx->Color.DrawBuffer[0]"], "", None ),
 179         ( "GL_EDGE_FLAG", GLboolean, ["ctx->Current.EdgeFlag"],
 180           "FLUSH_CURRENT(ctx, 0);", None ),
 181         ( "GL_FEEDBACK_BUFFER_SIZE", GLint, ["ctx->Feedback.BufferSize"], "", None ),
 182         ( "GL_FEEDBACK_BUFFER_TYPE", GLenum, ["ctx->Feedback.Type"], "", None ),
 183         ( "GL_FOG", GLboolean, ["ctx->Fog.Enabled"], "", None ),
 184         ( "GL_FOG_COLOR", GLfloatN,
 185           [ "ctx->Fog.Color[0]",
 186                 "ctx->Fog.Color[1]",
 187                 "ctx->Fog.Color[2]",
 188                 "ctx->Fog.Color[3]" ], "", None ),
 189         ( "GL_FOG_DENSITY", GLfloat, ["ctx->Fog.Density"], "", None ),
 190         ( "GL_FOG_END", GLfloat, ["ctx->Fog.End"], "", None ),
 191         ( "GL_FOG_HINT", GLenum, ["ctx->Hint.Fog"], "", None ),
 192         ( "GL_FOG_INDEX", GLfloat, ["ctx->Fog.Index"], "", None ),
 193         ( "GL_FOG_MODE", GLenum, ["ctx->Fog.Mode"], "", None ),
 194         ( "GL_FOG_START", GLfloat, ["ctx->Fog.Start"], "", None ),
 195         ( "GL_FRONT_FACE", GLenum, ["ctx->Polygon.FrontFace"], "", None ),
 196         ( "GL_GREEN_BIAS", GLfloat, ["ctx->Pixel.GreenBias"], "", None ),
 197         ( "GL_GREEN_BITS", GLint, ["ctx->Visual.greenBits"], "", None ),
 198         ( "GL_GREEN_SCALE", GLfloat, ["ctx->Pixel.GreenScale"], "", None ),
 199         ( "GL_INDEX_BITS", GLint, ["ctx->Visual.indexBits"], "", None ),
 200         ( "GL_INDEX_CLEAR_VALUE", GLint, ["ctx->Color.ClearIndex"], "", None ),
 201         ( "GL_INDEX_MODE", GLboolean, ["!ctx->Visual.rgbMode"], "", None ),
 202         ( "GL_INDEX_OFFSET", GLint, ["ctx->Pixel.IndexOffset"], "", None ),
 203         ( "GL_INDEX_SHIFT", GLint, ["ctx->Pixel.IndexShift"], "", None ),
 204         ( "GL_INDEX_WRITEMASK", GLint, ["ctx->Color.IndexMask"], "", None ),
 205         ( "GL_LIGHT0", GLboolean, ["ctx->Light.Light[0].Enabled"], "", None ),
 206         ( "GL_LIGHT1", GLboolean, ["ctx->Light.Light[1].Enabled"], "", None ),
 207         ( "GL_LIGHT2", GLboolean, ["ctx->Light.Light[2].Enabled"], "", None ),
 208         ( "GL_LIGHT3", GLboolean, ["ctx->Light.Light[3].Enabled"], "", None ),
 209         ( "GL_LIGHT4", GLboolean, ["ctx->Light.Light[4].Enabled"], "", None ),
 210         ( "GL_LIGHT5", GLboolean, ["ctx->Light.Light[5].Enabled"], "", None ),
 211         ( "GL_LIGHT6", GLboolean, ["ctx->Light.Light[6].Enabled"], "", None ),
 212         ( "GL_LIGHT7", GLboolean, ["ctx->Light.Light[7].Enabled"], "", None ),
 213         ( "GL_LIGHTING", GLboolean, ["ctx->Light.Enabled"], "", None ),
 214         ( "GL_LIGHT_MODEL_AMBIENT", GLfloatN,
 215           ["ctx->Light.Model.Ambient[0]",
 216            "ctx->Light.Model.Ambient[1]",
 217            "ctx->Light.Model.Ambient[2]",
 218            "ctx->Light.Model.Ambient[3]"], "", None ),
 219         ( "GL_LIGHT_MODEL_COLOR_CONTROL", GLenum,
 220           ["ctx->Light.Model.ColorControl"], "", None ),
 221         ( "GL_LIGHT_MODEL_LOCAL_VIEWER", GLboolean,
 222           ["ctx->Light.Model.LocalViewer"], "", None ),
 223         ( "GL_LIGHT_MODEL_TWO_SIDE", GLboolean, ["ctx->Light.Model.TwoSide"], "", None ),
 224         ( "GL_LINE_SMOOTH", GLboolean, ["ctx->Line.SmoothFlag"], "", None ),
 225         ( "GL_LINE_SMOOTH_HINT", GLenum, ["ctx->Hint.LineSmooth"], "", None ),
 226         ( "GL_LINE_STIPPLE", GLboolean, ["ctx->Line.StippleFlag"], "", None ),
 227         ( "GL_LINE_STIPPLE_PATTERN", GLint, ["ctx->Line.StipplePattern"], "", None ),
 228         ( "GL_LINE_STIPPLE_REPEAT", GLint, ["ctx->Line.StippleFactor"], "", None ),
 229         ( "GL_LINE_WIDTH", GLfloat, ["ctx->Line.Width"], "", None ),
 230         ( "GL_LINE_WIDTH_GRANULARITY", GLfloat,
 231           ["ctx->Const.LineWidthGranularity"], "", None ),
 232         ( "GL_LINE_WIDTH_RANGE", GLfloat,
 233           ["ctx->Const.MinLineWidthAA",
 234            "ctx->Const.MaxLineWidthAA"], "", None ),
 235         ( "GL_ALIASED_LINE_WIDTH_RANGE", GLfloat,
 236           ["ctx->Const.MinLineWidth",
 237            "ctx->Const.MaxLineWidth"], "", None ),
 238         ( "GL_LIST_BASE", GLint, ["ctx->List.ListBase"], "", None ),
 239         ( "GL_LIST_INDEX", GLint, ["ctx->ListState.CurrentListNum"], "", None ),
 240         ( "GL_LIST_MODE", GLenum, ["mode"],
 241           """GLenum mode;
 242          if (!ctx->CompileFlag)
 243             mode = 0;
 244          else if (ctx->ExecuteFlag)
 245             mode = GL_COMPILE_AND_EXECUTE;
 246          else
 247             mode = GL_COMPILE;""", None ),
 248         ( "GL_INDEX_LOGIC_OP", GLboolean, ["ctx->Color.IndexLogicOpEnabled"], "", None ),
 249         ( "GL_COLOR_LOGIC_OP", GLboolean, ["ctx->Color.ColorLogicOpEnabled"], "", None ),
 250         ( "GL_LOGIC_OP_MODE", GLenum, ["ctx->Color.LogicOp"], "", None ),
 251         ( "GL_MAP1_COLOR_4", GLboolean, ["ctx->Eval.Map1Color4"], "", None ),
 252         ( "GL_MAP1_GRID_DOMAIN", GLfloat,
 253           ["ctx->Eval.MapGrid1u1",
 254            "ctx->Eval.MapGrid1u2"], "", None ),
 255         ( "GL_MAP1_GRID_SEGMENTS", GLint, ["ctx->Eval.MapGrid1un"], "", None ),
 256         ( "GL_MAP1_INDEX", GLboolean, ["ctx->Eval.Map1Index"], "", None ),
 257         ( "GL_MAP1_NORMAL", GLboolean, ["ctx->Eval.Map1Normal"], "", None ),
 258         ( "GL_MAP1_TEXTURE_COORD_1", GLboolean, ["ctx->Eval.Map1TextureCoord1"], "", None ),
 259         ( "GL_MAP1_TEXTURE_COORD_2", GLboolean, ["ctx->Eval.Map1TextureCoord2"], "", None ),
 260         ( "GL_MAP1_TEXTURE_COORD_3", GLboolean, ["ctx->Eval.Map1TextureCoord3"], "", None ),
 261         ( "GL_MAP1_TEXTURE_COORD_4", GLboolean, ["ctx->Eval.Map1TextureCoord4"], "", None ),
 262         ( "GL_MAP1_VERTEX_3", GLboolean, ["ctx->Eval.Map1Vertex3"], "", None ),
 263         ( "GL_MAP1_VERTEX_4", GLboolean, ["ctx->Eval.Map1Vertex4"], "", None ),
 264         ( "GL_MAP2_COLOR_4", GLboolean, ["ctx->Eval.Map2Color4"], "", None ),
 265         ( "GL_MAP2_GRID_DOMAIN", GLfloat,
 266           ["ctx->Eval.MapGrid2u1",
 267            "ctx->Eval.MapGrid2u2",
 268            "ctx->Eval.MapGrid2v1",
 269            "ctx->Eval.MapGrid2v2"], "", None ),
 270         ( "GL_MAP2_GRID_SEGMENTS", GLint,
 271           ["ctx->Eval.MapGrid2un",
 272            "ctx->Eval.MapGrid2vn"], "", None ),
 273         ( "GL_MAP2_INDEX", GLboolean, ["ctx->Eval.Map2Index"], "", None ),
 274         ( "GL_MAP2_NORMAL", GLboolean, ["ctx->Eval.Map2Normal"], "", None ),
 275         ( "GL_MAP2_TEXTURE_COORD_1", GLboolean, ["ctx->Eval.Map2TextureCoord1"], "", None ),
 276         ( "GL_MAP2_TEXTURE_COORD_2", GLboolean, ["ctx->Eval.Map2TextureCoord2"], "", None ),
 277         ( "GL_MAP2_TEXTURE_COORD_3", GLboolean, ["ctx->Eval.Map2TextureCoord3"], "", None ),
 278         ( "GL_MAP2_TEXTURE_COORD_4", GLboolean, ["ctx->Eval.Map2TextureCoord4"], "", None ),
 279         ( "GL_MAP2_VERTEX_3", GLboolean, ["ctx->Eval.Map2Vertex3"], "", None ),
 280         ( "GL_MAP2_VERTEX_4", GLboolean, ["ctx->Eval.Map2Vertex4"], "", None ),
 281         ( "GL_MAP_COLOR", GLboolean, ["ctx->Pixel.MapColorFlag"], "", None ),
 282         ( "GL_MAP_STENCIL", GLboolean, ["ctx->Pixel.MapStencilFlag"], "", None ),
 283         ( "GL_MATRIX_MODE", GLenum, ["ctx->Transform.MatrixMode"], "", None ),
 284
 285         ( "GL_MAX_ATTRIB_STACK_DEPTH", GLint, ["MAX_ATTRIB_STACK_DEPTH"], "", None ),
 286         ( "GL_MAX_CLIENT_ATTRIB_STACK_DEPTH", GLint, ["MAX_CLIENT_ATTRIB_STACK_DEPTH"], "", None ),
 287         ( "GL_MAX_CLIP_PLANES", GLint, ["ctx->Const.MaxClipPlanes"], "", None ),
 288         ( "GL_MAX_ELEMENTS_VERTICES", GLint, ["ctx->Const.MaxArrayLockSize"], "", None ),
 289         ( "GL_MAX_ELEMENTS_INDICES", GLint, ["ctx->Const.MaxArrayLockSize"], "", None ),
 290         ( "GL_MAX_EVAL_ORDER", GLint, ["MAX_EVAL_ORDER"], "", None ),
 291         ( "GL_MAX_LIGHTS", GLint, ["ctx->Const.MaxLights"], "", None ),
 292         ( "GL_MAX_LIST_NESTING", GLint, ["MAX_LIST_NESTING"], "", None ),
 293         ( "GL_MAX_MODELVIEW_STACK_DEPTH", GLint, ["MAX_MODELVIEW_STACK_DEPTH"], "", None ),
 294         ( "GL_MAX_NAME_STACK_DEPTH", GLint, ["MAX_NAME_STACK_DEPTH"], "", None ),
 295         ( "GL_MAX_PIXEL_MAP_TABLE", GLint, ["MAX_PIXEL_MAP_TABLE"], "", None ),
 296         ( "GL_MAX_PROJECTION_STACK_DEPTH", GLint, ["MAX_PROJECTION_STACK_DEPTH"], "", None ),
 297         ( "GL_MAX_TEXTURE_SIZE", GLint, ["1 << (ctx->Const.MaxTextureLevels - 1)"], "", None ),
 298         ( "GL_MAX_3D_TEXTURE_SIZE", GLint, ["1 << (ctx->Const.Max3DTextureLevels - 1)"], "", None ),
 299         ( "GL_MAX_TEXTURE_STACK_DEPTH", GLint, ["MAX_TEXTURE_STACK_DEPTH"], "", None ),
 300         ( "GL_MAX_VIEWPORT_DIMS", GLint,
 301           ["ctx->Const.MaxViewportWidth", "ctx->Const.MaxViewportHeight"],
 302           "", None ),
 303         ( "GL_MODELVIEW_MATRIX", GLfloat,
 304           [ "matrix[0]", "matrix[1]", "matrix[2]", "matrix[3]",
 305                 "matrix[4]", "matrix[5]", "matrix[6]", "matrix[7]",
 306                 "matrix[8]", "matrix[9]", "matrix[10]", "matrix[11]",
 307                 "matrix[12]", "matrix[13]", "matrix[14]", "matrix[15]" ],
 308           "const GLfloat *matrix = ctx->ModelviewMatrixStack.Top->m;", None ),
 309         ( "GL_MODELVIEW_STACK_DEPTH", GLint, ["ctx->ModelviewMatrixStack.Depth + 1"], "", None ),
 310         ( "GL_NAME_STACK_DEPTH", GLint, ["ctx->Select.NameStackDepth"], "", None ),
 311         ( "GL_NORMALIZE", GLboolean, ["ctx->Transform.Normalize"], "", None ),
 312         ( "GL_PACK_ALIGNMENT", GLint, ["ctx->Pack.Alignment"], "", None ),
 313         ( "GL_PACK_LSB_FIRST", GLboolean, ["ctx->Pack.LsbFirst"], "", None ),
 314         ( "GL_PACK_ROW_LENGTH", GLint, ["ctx->Pack.RowLength"], "", None ),
 315         ( "GL_PACK_SKIP_PIXELS", GLint, ["ctx->Pack.SkipPixels"], "", None ),
 316         ( "GL_PACK_SKIP_ROWS", GLint, ["ctx->Pack.SkipRows"], "", None ),
 317         ( "GL_PACK_SWAP_BYTES", GLboolean, ["ctx->Pack.SwapBytes"], "", None ),
 318         ( "GL_PACK_SKIP_IMAGES_EXT", GLint, ["ctx->Pack.SkipImages"], "", None ),
 319         ( "GL_PACK_IMAGE_HEIGHT_EXT", GLint, ["ctx->Pack.ImageHeight"], "", None ),
 320         ( "GL_PACK_INVERT_MESA", GLboolean, ["ctx->Pack.Invert"], "", None ),
 321         ( "GL_PERSPECTIVE_CORRECTION_HINT", GLenum,
 322           ["ctx->Hint.PerspectiveCorrection"], "", None ),
 323         ( "GL_PIXEL_MAP_A_TO_A_SIZE", GLint, ["ctx->Pixel.MapAtoAsize"], "", None ),
 324         ( "GL_PIXEL_MAP_B_TO_B_SIZE", GLint, ["ctx->Pixel.MapBtoBsize"], "", None ),
 325         ( "GL_PIXEL_MAP_G_TO_G_SIZE", GLint, ["ctx->Pixel.MapGtoGsize"], "", None ),
 326         ( "GL_PIXEL_MAP_I_TO_A_SIZE", GLint, ["ctx->Pixel.MapItoAsize"], "", None ),
 327         ( "GL_PIXEL_MAP_I_TO_B_SIZE", GLint, ["ctx->Pixel.MapItoBsize"], "", None ),
 328         ( "GL_PIXEL_MAP_I_TO_G_SIZE", GLint, ["ctx->Pixel.MapItoGsize"], "", None ),
 329         ( "GL_PIXEL_MAP_I_TO_I_SIZE", GLint, ["ctx->Pixel.MapItoIsize"], "", None ),
 330         ( "GL_PIXEL_MAP_I_TO_R_SIZE", GLint, ["ctx->Pixel.MapItoRsize"], "", None ),
 331         ( "GL_PIXEL_MAP_R_TO_R_SIZE", GLint, ["ctx->Pixel.MapRtoRsize"], "", None ),
 332         ( "GL_PIXEL_MAP_S_TO_S_SIZE", GLint, ["ctx->Pixel.MapStoSsize"], "", None ),
 333         ( "GL_POINT_SIZE", GLfloat, ["ctx->Point.Size"], "", None ),
 334         ( "GL_POINT_SIZE_GRANULARITY", GLfloat,
 335           ["ctx->Const.PointSizeGranularity"], "", None ),
 336         ( "GL_POINT_SIZE_RANGE", GLfloat,
 337           ["ctx->Const.MinPointSizeAA",
 338            "ctx->Const.MaxPointSizeAA"], "", None ),
 339         ( "GL_ALIASED_POINT_SIZE_RANGE", GLfloat,
 340           ["ctx->Const.MinPointSize",
 341            "ctx->Const.MaxPointSize"], "", None ),
 342         ( "GL_POINT_SMOOTH", GLboolean, ["ctx->Point.SmoothFlag"], "", None ),
 343         ( "GL_POINT_SMOOTH_HINT", GLenum, ["ctx->Hint.PointSmooth"], "", None ),
 344         ( "GL_POINT_SIZE_MIN_EXT", GLfloat, ["ctx->Point.MinSize"], "", None ),
 345         ( "GL_POINT_SIZE_MAX_EXT", GLfloat, ["ctx->Point.MaxSize"], "", None ),
 346         ( "GL_POINT_FADE_THRESHOLD_SIZE_EXT", GLfloat,
 347           ["ctx->Point.Threshold"], "", None ),
 348         ( "GL_DISTANCE_ATTENUATION_EXT", GLfloat,
 349           ["ctx->Point.Params[0]",
 350            "ctx->Point.Params[1]",
 351            "ctx->Point.Params[2]"], "", None ),
 352         ( "GL_POLYGON_MODE", GLenum,
 353           ["ctx->Polygon.FrontMode",
 354            "ctx->Polygon.BackMode"], "", None ),
 355         ( "GL_POLYGON_OFFSET_BIAS_EXT", GLfloat, ["ctx->Polygon.OffsetUnits"], "", None ),
 356         ( "GL_POLYGON_OFFSET_FACTOR", GLfloat, ["ctx->Polygon.OffsetFactor "], "", None ),
 357         ( "GL_POLYGON_OFFSET_UNITS", GLfloat, ["ctx->Polygon.OffsetUnits "], "", None ),
 358         ( "GL_POLYGON_SMOOTH", GLboolean, ["ctx->Polygon.SmoothFlag"], "", None ),
 359         ( "GL_POLYGON_SMOOTH_HINT", GLenum, ["ctx->Hint.PolygonSmooth"], "", None ),
 360         ( "GL_POLYGON_STIPPLE", GLboolean, ["ctx->Polygon.StippleFlag"], "", None ),
 361         ( "GL_PROJECTION_MATRIX", GLfloat,
 362           [ "matrix[0]", "matrix[1]", "matrix[2]", "matrix[3]",
 363                 "matrix[4]", "matrix[5]", "matrix[6]", "matrix[7]",
 364                 "matrix[8]", "matrix[9]", "matrix[10]", "matrix[11]",
 365                 "matrix[12]", "matrix[13]", "matrix[14]", "matrix[15]" ],
 366           "const GLfloat *matrix = ctx->ProjectionMatrixStack.Top->m;", None ),
 367         ( "GL_PROJECTION_STACK_DEPTH", GLint,
 368           ["ctx->ProjectionMatrixStack.Depth + 1"], "", None ),
 369         ( "GL_READ_BUFFER", GLenum, ["ctx->Pixel.ReadBuffer"], "", None ),
 370         ( "GL_RED_BIAS", GLfloat, ["ctx->Pixel.RedBias"], "", None ),
 371         ( "GL_RED_BITS", GLint, [" ctx->Visual.redBits "], "", None ),
 372         ( "GL_RED_SCALE", GLfloat, ["ctx->Pixel.RedScale"], "", None ),
 373         ( "GL_RENDER_MODE", GLenum, ["ctx->RenderMode"], "", None ),
 374         ( "GL_RESCALE_NORMAL", GLboolean,
 375           ["ctx->Transform.RescaleNormals"], "", None ),
 376         ( "GL_RGBA_MODE", GLboolean, ["ctx->Visual.rgbMode"], "", None ),
 377         ( "GL_SCISSOR_BOX", GLint,
 378           ["ctx->Scissor.X",
 379            "ctx->Scissor.Y",
 380            "ctx->Scissor.Width",
 381            "ctx->Scissor.Height"], "", None ),
 382         ( "GL_SCISSOR_TEST", GLboolean, ["ctx->Scissor.Enabled"], "", None ),
 383         ( "GL_SELECTION_BUFFER_SIZE", GLint, ["ctx->Select.BufferSize"], "", None ),
 384         ( "GL_SHADE_MODEL", GLenum, ["ctx->Light.ShadeModel"], "", None ),
 385         ( "GL_SHARED_TEXTURE_PALETTE_EXT", GLboolean,
 386           ["ctx->Texture.SharedPalette"], "", None ),
 387         ( "GL_STENCIL_BITS", GLint, ["ctx->Visual.stencilBits"], "", None ),
 388         ( "GL_STENCIL_CLEAR_VALUE", GLint, ["ctx->Stencil.Clear"], "", None ),
 389         ( "GL_STENCIL_FAIL", GLenum,
 390           ["ctx->Stencil.FailFunc[ctx->Stencil.ActiveFace]"], "", None ),
 391         ( "GL_STENCIL_FUNC", GLenum,
 392           ["ctx->Stencil.Function[ctx->Stencil.ActiveFace]"], "", None ),
 393         ( "GL_STENCIL_PASS_DEPTH_FAIL", GLenum,
 394           ["ctx->Stencil.ZFailFunc[ctx->Stencil.ActiveFace]"], "", None ),
 395         ( "GL_STENCIL_PASS_DEPTH_PASS", GLenum,
 396           ["ctx->Stencil.ZPassFunc[ctx->Stencil.ActiveFace]"], "", None ),
 397         ( "GL_STENCIL_REF", GLint,
 398           ["ctx->Stencil.Ref[ctx->Stencil.ActiveFace]"], "", None ),
 399         ( "GL_STENCIL_TEST", GLboolean, ["ctx->Stencil.Enabled"], "", None ),
 400         ( "GL_STENCIL_VALUE_MASK", GLint,
 401           ["ctx->Stencil.ValueMask[ctx->Stencil.ActiveFace]"], "", None ),
 402         ( "GL_STENCIL_WRITEMASK", GLint,
 403           ["ctx->Stencil.WriteMask[ctx->Stencil.ActiveFace]"], "", None ),
 404         ( "GL_STEREO", GLboolean, ["ctx->Visual.stereoMode"], "", None ),
 405         ( "GL_SUBPIXEL_BITS", GLint, ["ctx->Const.SubPixelBits"], "", None ),
 406         ( "GL_TEXTURE_1D", GLboolean, ["_mesa_IsEnabled(GL_TEXTURE_1D)"], "", None ),
 407         ( "GL_TEXTURE_2D", GLboolean, ["_mesa_IsEnabled(GL_TEXTURE_2D)"], "", None ),
 408         ( "GL_TEXTURE_3D", GLboolean, ["_mesa_IsEnabled(GL_TEXTURE_3D)"], "", None ),
 409         ( "GL_TEXTURE_BINDING_1D", GLint,
 410           ["ctx->Texture.Unit[ctx->Texture.CurrentUnit].Current1D->Name"], "", None ),
 411         ( "GL_TEXTURE_BINDING_2D", GLint,
 412           ["ctx->Texture.Unit[ctx->Texture.CurrentUnit].Current2D->Name"], "", None ),
 413         ( "GL_TEXTURE_BINDING_3D", GLint,
 414           ["ctx->Texture.Unit[ctx->Texture.CurrentUnit].Current3D->Name"], "", None ),
 415         ( "GL_TEXTURE_ENV_COLOR", GLfloatN,
 416           ["color[0]", "color[1]", "color[2]", "color[3]"],
 417           "const GLfloat *color = ctx->Texture.Unit[ctx->Texture.CurrentUnit].EnvColor;",
 418           None ),
 419         ( "GL_TEXTURE_ENV_MODE", GLenum,
 420           ["ctx->Texture.Unit[ctx->Texture.CurrentUnit].EnvMode"], "", None ),
 421         ( "GL_TEXTURE_GEN_S", GLboolean,
 422           ["((ctx->Texture.Unit[ctx->Texture.CurrentUnit].TexGenEnabled & S_BIT) ? 1 : 0)"], "", None ),
 423         ( "GL_TEXTURE_GEN_T", GLboolean,
 424           ["((ctx->Texture.Unit[ctx->Texture.CurrentUnit].TexGenEnabled & T_BIT) ? 1 : 0)"], "", None ),
 425         ( "GL_TEXTURE_GEN_R", GLboolean,
 426           ["((ctx->Texture.Unit[ctx->Texture.CurrentUnit].TexGenEnabled & R_BIT) ? 1 : 0)"], "", None ),
 427         ( "GL_TEXTURE_GEN_Q", GLboolean,
 428           ["((ctx->Texture.Unit[ctx->Texture.CurrentUnit].TexGenEnabled & Q_BIT) ? 1 : 0)"], "", None ),
 429         ( "GL_TEXTURE_MATRIX", GLfloat,
 430           ["matrix[0]", "matrix[1]", "matrix[2]", "matrix[3]",
 431            "matrix[4]", "matrix[5]", "matrix[6]", "matrix[7]",
 432            "matrix[8]", "matrix[9]", "matrix[10]", "matrix[11]",
 433            "matrix[12]", "matrix[13]", "matrix[14]", "matrix[15]" ],
 434           "const GLfloat *matrix = ctx->TextureMatrixStack[ctx->Texture.CurrentUnit].Top->m;", None ),
 435         ( "GL_TEXTURE_STACK_DEPTH", GLint,
 436           ["ctx->TextureMatrixStack[ctx->Texture.CurrentUnit].Depth + 1"], "", None ),
 437         ( "GL_UNPACK_ALIGNMENT", GLint, ["ctx->Unpack.Alignment"], "", None ),
 438         ( "GL_UNPACK_LSB_FIRST", GLboolean, ["ctx->Unpack.LsbFirst"], "", None ),
 439         ( "GL_UNPACK_ROW_LENGTH", GLint, ["ctx->Unpack.RowLength"], "", None ),
 440         ( "GL_UNPACK_SKIP_PIXELS", GLint, ["ctx->Unpack.SkipPixels"], "", None ),
 441         ( "GL_UNPACK_SKIP_ROWS", GLint, ["ctx->Unpack.SkipRows"], "", None ),
 442         ( "GL_UNPACK_SWAP_BYTES", GLboolean, ["ctx->Unpack.SwapBytes"], "", None ),
 443         ( "GL_UNPACK_SKIP_IMAGES_EXT", GLint, ["ctx->Unpack.SkipImages"], "", None ),
 444         ( "GL_UNPACK_IMAGE_HEIGHT_EXT", GLint, ["ctx->Unpack.ImageHeight"], "", None ),
 445         ( "GL_UNPACK_CLIENT_STORAGE_APPLE", GLboolean, ["ctx->Unpack.ClientStorage"], "", None ),
 446         ( "GL_VIEWPORT", GLint, [ "ctx->Viewport.X", "ctx->Viewport.Y",
 447           "ctx->Viewport.Width", "ctx->Viewport.Height" ], "", None ),
 448         ( "GL_ZOOM_X", GLfloat, ["ctx->Pixel.ZoomX"], "", None ),
 449         ( "GL_ZOOM_Y", GLfloat, ["ctx->Pixel.ZoomY"], "", None ),
 450
 451         # Vertex arrays
 452         ( "GL_VERTEX_ARRAY", GLboolean, ["ctx->Array.Vertex.Enabled"], "", None ),
 453         ( "GL_VERTEX_ARRAY_SIZE", GLint, ["ctx->Array.Vertex.Size"], "", None ),
 454         ( "GL_VERTEX_ARRAY_TYPE", GLenum, ["ctx->Array.Vertex.Type"], "", None ),
 455         ( "GL_VERTEX_ARRAY_STRIDE", GLint, ["ctx->Array.Vertex.Stride"], "", None ),
 456         ( "GL_VERTEX_ARRAY_COUNT_EXT", GLint, ["0"], "", None ),
 457         ( "GL_NORMAL_ARRAY", GLenum, ["ctx->Array.Normal.Enabled"], "", None ),
 458         ( "GL_NORMAL_ARRAY_TYPE", GLenum, ["ctx->Array.Normal.Type"], "", None ),
 459         ( "GL_NORMAL_ARRAY_STRIDE", GLint, ["ctx->Array.Normal.Stride"], "", None ),
 460         ( "GL_NORMAL_ARRAY_COUNT_EXT", GLint, ["0"], "", None ),
 461         ( "GL_COLOR_ARRAY", GLboolean, ["ctx->Array.Color.Enabled"], "", None ),
 462         ( "GL_COLOR_ARRAY_SIZE", GLint, ["ctx->Array.Color.Size"], "", None ),
 463         ( "GL_COLOR_ARRAY_TYPE", GLenum, ["ctx->Array.Color.Type"], "", None ),
 464         ( "GL_COLOR_ARRAY_STRIDE", GLint, ["ctx->Array.Color.Stride"], "", None ),
 465         ( "GL_COLOR_ARRAY_COUNT_EXT", GLint, ["0"], "", None ),
 466         ( "GL_INDEX_ARRAY", GLboolean, ["ctx->Array.Index.Enabled"], "", None ),
 467         ( "GL_INDEX_ARRAY_TYPE", GLenum, ["ctx->Array.Index.Type"], "", None ),
 468         ( "GL_INDEX_ARRAY_STRIDE", GLint, ["ctx->Array.Index.Stride"], "", None ),
 469         ( "GL_INDEX_ARRAY_COUNT_EXT", GLint, ["0"], "", None ),
 470         ( "GL_TEXTURE_COORD_ARRAY", GLboolean,
 471           ["ctx->Array.TexCoord[ctx->Array.ActiveTexture].Enabled"], "", None ),
 472         ( "GL_TEXTURE_COORD_ARRAY_SIZE", GLint,
 473           ["ctx->Array.TexCoord[ctx->Array.ActiveTexture].Size"], "", None ),
 474         ( "GL_TEXTURE_COORD_ARRAY_TYPE", GLenum,
 475           ["ctx->Array.TexCoord[ctx->Array.ActiveTexture].Type"], "", None ),
 476         ( "GL_TEXTURE_COORD_ARRAY_STRIDE", GLint,
 477           ["ctx->Array.TexCoord[ctx->Array.ActiveTexture].Stride"], "", None ),
 478         ( "GL_TEXTURE_COORD_ARRAY_COUNT_EXT", GLint, ["0"], "", None ),
 479         ( "GL_EDGE_FLAG_ARRAY", GLboolean, ["ctx->Array.EdgeFlag.Enabled"], "", None ),
 480         ( "GL_EDGE_FLAG_ARRAY_STRIDE", GLint, ["ctx->Array.EdgeFlag.Stride"], "", None ),
 481         ( "GL_EDGE_FLAG_ARRAY_COUNT_EXT", GLint, ["0"], "", None ),
 482
 483         # GL_ARB_multitexture
 484         ( "GL_MAX_TEXTURE_UNITS_ARB", GLint,
 485           ["MIN2(ctx->Const.MaxTextureImageUnits, ctx->Const.MaxTextureCoordUnits)"],
 486           "", "ARB_multitexture" ),
 487         ( "GL_ACTIVE_TEXTURE_ARB", GLint,
 488           [ "GL_TEXTURE0_ARB + ctx->Texture.CurrentUnit"], "", "ARB_multitexture" ),
 489         ( "GL_CLIENT_ACTIVE_TEXTURE_ARB", GLint,
 490           ["GL_TEXTURE0_ARB + ctx->Array.ActiveTexture"], "", "ARB_multitexture" ),
 491
 492         # GL_ARB_texture_cube_map
 493         ( "GL_TEXTURE_CUBE_MAP_ARB", GLboolean,
 494           ["_mesa_IsEnabled(GL_TEXTURE_CUBE_MAP_ARB)"], "", "ARB_texture_cube_map" ),
 495         ( "GL_TEXTURE_BINDING_CUBE_MAP_ARB", GLint,
 496           ["ctx->Texture.Unit[ctx->Texture.CurrentUnit].CurrentCubeMap->Name"],
 497           "", "ARB_texture_cube_map" ),
 498         ( "GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB", GLint,
 499           ["(1 << (ctx->Const.MaxCubeTextureLevels - 1))"],
 500           "", "ARB_texture_cube_map"),
 501
 502         # GL_ARB_texture_compression */
 503         ( "GL_TEXTURE_COMPRESSION_HINT_ARB", GLint,
 504           ["ctx->Hint.TextureCompression"], "", "ARB_texture_compression" ),
 505         ( "GL_NUM_COMPRESSED_TEXTURE_FORMATS_ARB", GLint,
 506           ["_mesa_get_compressed_formats(ctx, NULL)"], "", "ARB_texture_compression" ),
 507         ( "GL_COMPRESSED_TEXTURE_FORMATS_ARB", GLenum,
 508           [],
 509           """GLint formats[100];
 510          GLuint i, n = _mesa_get_compressed_formats(ctx, formats);
 511          for (i = 0; i < n; i++)
 512             params[i] = ENUM_TO_BOOLEAN(formats[i]);""",
 513           "ARB_texture_compression" ),
 514
 515         # GL_EXT_compiled_vertex_array
 516         ( "GL_ARRAY_ELEMENT_LOCK_FIRST_EXT", GLint, ["ctx->Array.LockFirst"],
 517           "", "EXT_compiled_vertex_array" ),
 518         ( "GL_ARRAY_ELEMENT_LOCK_COUNT_EXT", GLint, ["ctx->Array.LockCount"],
 519           "", "EXT_compiled_vertex_array" ),
 520
 521         # GL_ARB_transpose_matrix
 522         ( "GL_TRANSPOSE_COLOR_MATRIX_ARB", GLfloat,
 523           ["matrix[0]", "matrix[4]", "matrix[8]", "matrix[12]",
 524            "matrix[1]", "matrix[5]", "matrix[9]", "matrix[13]",
 525            "matrix[2]", "matrix[6]", "matrix[10]", "matrix[14]",
 526            "matrix[3]", "matrix[7]", "matrix[11]", "matrix[15]"],
 527           "const GLfloat *matrix = ctx->ColorMatrixStack.Top->m;", None ),
 528         ( "GL_TRANSPOSE_MODELVIEW_MATRIX_ARB", GLfloat,
 529           ["matrix[0]", "matrix[4]", "matrix[8]", "matrix[12]",
 530            "matrix[1]", "matrix[5]", "matrix[9]", "matrix[13]",
 531            "matrix[2]", "matrix[6]", "matrix[10]", "matrix[14]",
 532            "matrix[3]", "matrix[7]", "matrix[11]", "matrix[15]"],
 533           "const GLfloat *matrix = ctx->ModelviewMatrixStack.Top->m;", None ),
 534         ( "GL_TRANSPOSE_PROJECTION_MATRIX_ARB", GLfloat,
 535           ["matrix[0]", "matrix[4]", "matrix[8]", "matrix[12]",
 536            "matrix[1]", "matrix[5]", "matrix[9]", "matrix[13]",
 537            "matrix[2]", "matrix[6]", "matrix[10]", "matrix[14]",
 538            "matrix[3]", "matrix[7]", "matrix[11]", "matrix[15]"],
 539           "const GLfloat *matrix = ctx->ProjectionMatrixStack.Top->m;", None ),
 540         ( "GL_TRANSPOSE_TEXTURE_MATRIX_ARB", GLfloat,
 541           ["matrix[0]", "matrix[4]", "matrix[8]", "matrix[12]",
 542            "matrix[1]", "matrix[5]", "matrix[9]", "matrix[13]",
 543            "matrix[2]", "matrix[6]", "matrix[10]", "matrix[14]",
 544            "matrix[3]", "matrix[7]", "matrix[11]", "matrix[15]"],
 545           "const GLfloat *matrix = ctx->TextureMatrixStack[ctx->Texture.CurrentUnit].Top->m;", None ),
 546
 547         # GL_HP_occlusion_test
 548         ( "GL_OCCLUSION_TEST_HP", GLboolean, ["ctx->Depth.OcclusionTest"], "",
 549           "HP_occlusion_test" ),
 550         ( "GL_OCCLUSION_TEST_RESULT_HP", GLboolean, [],
 551           """if (ctx->Depth.OcclusionTest)
 552             params[0] = ctx->OcclusionResult;
 553          else
 554             params[0] = ctx->OcclusionResultSaved;
 555          /* reset flag now */
 556          ctx->OcclusionResult = GL_FALSE;
 557          ctx->OcclusionResultSaved = GL_FALSE;
 558          return;""",
 559           "HP_occlusion_test" ),
 560
 561         # GL_SGIS_pixel_texture
 562         ( "GL_PIXEL_TEXTURE_SGIS", GLboolean, ["ctx->Pixel.PixelTextureEnabled"],
 563           "", "SGIS_pixel_texture" ),
 564
 565         # GL_SGIX_pixel_texture
 566         ( "GL_PIXEL_TEX_GEN_SGIX", GLboolean, ["ctx->Pixel.PixelTextureEnabled"],
 567           "", "SGIX_pixel_texture" ),
 568         ( "GL_PIXEL_TEX_GEN_MODE_SGIX", GLenum, ["pixel_texgen_mode(ctx)"],
 569           "", "SGIX_pixel_texture" ),
 570
 571         # GL_SGI_color_matrix (also in 1.2 imaging)
 572         ( "GL_COLOR_MATRIX_SGI", GLfloat,
 573           ["matrix[0]", "matrix[1]", "matrix[2]", "matrix[3]",
 574            "matrix[4]", "matrix[5]", "matrix[6]", "matrix[7]",
 575            "matrix[8]", "matrix[9]", "matrix[10]", "matrix[11]",
 576            "matrix[12]", "matrix[13]", "matrix[14]", "matrix[15]" ],
 577           "const GLfloat *matrix = ctx->ColorMatrixStack.Top->m;", None ),
 578         ( "GL_COLOR_MATRIX_STACK_DEPTH_SGI", GLint,
 579           ["ctx->ColorMatrixStack.Depth + 1"], "", None ),
 580         ( "GL_MAX_COLOR_MATRIX_STACK_DEPTH_SGI", GLint,
 581           ["MAX_COLOR_STACK_DEPTH"], "", None ),
 582         ( "GL_POST_COLOR_MATRIX_RED_SCALE_SGI", GLfloat,
 583           ["ctx->Pixel.PostColorMatrixScale[0]"], "", None ),
 584         ( "GL_POST_COLOR_MATRIX_GREEN_SCALE_SGI", GLfloat,
 585           ["ctx->Pixel.PostColorMatrixScale[1]"], "", None ),
 586         ( "GL_POST_COLOR_MATRIX_BLUE_SCALE_SGI", GLfloat,
 587           ["ctx->Pixel.PostColorMatrixScale[2]"], "", None ),
 588         ( "GL_POST_COLOR_MATRIX_ALPHA_SCALE_SGI", GLfloat,
 589           ["ctx->Pixel.PostColorMatrixScale[3]"], "", None ),
 590         ( "GL_POST_COLOR_MATRIX_RED_BIAS_SGI", GLfloat,
 591           ["ctx->Pixel.PostColorMatrixBias[0]"], "", None ),
 592         ( "GL_POST_COLOR_MATRIX_GREEN_BIAS_SGI", GLfloat,
 593           ["ctx->Pixel.PostColorMatrixBias[1]"], "", None ),
 594         ( "GL_POST_COLOR_MATRIX_BLUE_BIAS_SGI", GLfloat,
 595           ["ctx->Pixel.PostColorMatrixBias[2]"], "", None ),
 596         ( "GL_POST_COLOR_MATRIX_ALPHA_BIAS_SGI", GLfloat,
 597           ["ctx->Pixel.PostColorMatrixBias[3]"], "", None ),
 598
 599         # GL_EXT_convolution (also in 1.2 imaging)
 600         ( "GL_CONVOLUTION_1D_EXT", GLboolean,
 601           ["ctx->Pixel.Convolution1DEnabled"], "", "EXT_convolution" ),
 602         ( "GL_CONVOLUTION_2D_EXT", GLboolean,
 603           ["ctx->Pixel.Convolution2DEnabled"], "", "EXT_convolution" ),
 604         ( "GL_SEPARABLE_2D_EXT", GLboolean,
 605           ["ctx->Pixel.Separable2DEnabled"], "", "EXT_convolution" ),
 606         ( "GL_POST_CONVOLUTION_RED_SCALE_EXT", GLfloat,
 607           ["ctx->Pixel.PostConvolutionScale[0]"], "", "EXT_convolution" ),
 608         ( "GL_POST_CONVOLUTION_GREEN_SCALE_EXT", GLfloat,
 609           ["ctx->Pixel.PostConvolutionScale[1]"], "", "EXT_convolution" ),
 610         ( "GL_POST_CONVOLUTION_BLUE_SCALE_EXT", GLfloat,
 611           ["ctx->Pixel.PostConvolutionScale[2]"], "", "EXT_convolution" ),
 612         ( "GL_POST_CONVOLUTION_ALPHA_SCALE_EXT", GLfloat,
 613           ["ctx->Pixel.PostConvolutionScale[3]"], "", "EXT_convolution" ),
 614         ( "GL_POST_CONVOLUTION_RED_BIAS_EXT", GLfloat,
 615           ["ctx->Pixel.PostConvolutionBias[0]"], "", "EXT_convolution" ),
 616         ( "GL_POST_CONVOLUTION_GREEN_BIAS_EXT", GLfloat,
 617           ["ctx->Pixel.PostConvolutionBias[1]"], "", "EXT_convolution" ),
 618         ( "GL_POST_CONVOLUTION_BLUE_BIAS_EXT", GLfloat,
 619           ["ctx->Pixel.PostConvolutionBias[2]"], "", "EXT_convolution" ),
 620         ( "GL_POST_CONVOLUTION_ALPHA_BIAS_EXT", GLfloat,
 621           ["ctx->Pixel.PostConvolutionBias[3]"], "", "EXT_convolution" ),
 622
 623         # GL_EXT_histogram / GL_ARB_imaging
 624         ( "GL_HISTOGRAM", GLboolean,
 625           [ "ctx->Pixel.HistogramEnabled" ], "", "EXT_histogram" ),
 626         ( "GL_MINMAX", GLboolean,
 627           [ "ctx->Pixel.MinMaxEnabled" ], "", "EXT_histogram" ),
 628
 629         # GL_SGI_color_table / GL_ARB_imaging
 630         ( "GL_COLOR_TABLE_SGI", GLboolean,
 631           ["ctx->Pixel.ColorTableEnabled"], "", "SGI_color_table" ),
 632         ( "GL_POST_CONVOLUTION_COLOR_TABLE_SGI", GLboolean,
 633           ["ctx->Pixel.PostConvolutionColorTableEnabled"], "", "SGI_color_table" ),
 634         ( "GL_POST_COLOR_MATRIX_COLOR_TABLE_SGI", GLboolean,
 635           ["ctx->Pixel.PostColorMatrixColorTableEnabled"], "", "SGI_color_table" ),
 636
 637         # GL_SGI_texture_color_table
 638         ( "GL_TEXTURE_COLOR_TABLE_SGI", GLboolean,
 639           ["ctx->Texture.Unit[ctx->Texture.CurrentUnit].ColorTableEnabled"],
 640           "", "SGI_texture_color_table" ),
 641
 642         # GL_EXT_secondary_color
 643         ( "GL_COLOR_SUM_EXT", GLboolean,
 644           ["ctx->Fog.ColorSumEnabled"], "", "EXT_secondary_color" ),
 645         ( "GL_CURRENT_SECONDARY_COLOR_EXT", GLfloatN,
 646           ["ctx->Current.Attrib[VERT_ATTRIB_COLOR1][0]",
 647            "ctx->Current.Attrib[VERT_ATTRIB_COLOR1][1]",
 648            "ctx->Current.Attrib[VERT_ATTRIB_COLOR1][2]",
 649            "ctx->Current.Attrib[VERT_ATTRIB_COLOR1][3]"],
 650           "FLUSH_CURRENT(ctx, 0);", "EXT_secondary_color" ),
 651         ( "GL_SECONDARY_COLOR_ARRAY_EXT", GLboolean,
 652           ["ctx->Array.SecondaryColor.Enabled"], "", "EXT_secondary_color" ),
 653         ( "GL_SECONDARY_COLOR_ARRAY_TYPE_EXT", GLenum,
 654           ["ctx->Array.SecondaryColor.Type"], "",  "EXT_secondary_color" ),
 655         ( "GL_SECONDARY_COLOR_ARRAY_STRIDE_EXT", GLint,
 656           ["ctx->Array.SecondaryColor.Stride"], "", "EXT_secondary_color" ),
 657         ( "GL_SECONDARY_COLOR_ARRAY_SIZE_EXT", GLint,
 658           ["ctx->Array.SecondaryColor.Size"], "", "EXT_secondary_color" ),
 659
 660         # GL_EXT_fog_coord
 661         ( "GL_CURRENT_FOG_COORDINATE_EXT", GLfloat,
 662           ["ctx->Current.Attrib[VERT_ATTRIB_FOG][0]"],
 663           "FLUSH_CURRENT(ctx, 0);", "EXT_fog_coord" ),
 664         ( "GL_FOG_COORDINATE_ARRAY_EXT", GLboolean, ["ctx->Array.FogCoord.Enabled"],
 665           "",  "EXT_fog_coord" ),
 666         ( "GL_FOG_COORDINATE_ARRAY_TYPE_EXT", GLenum, ["ctx->Array.FogCoord.Type"],
 667           "", "EXT_fog_coord" ),
 668         ( "GL_FOG_COORDINATE_ARRAY_STRIDE_EXT", GLint, ["ctx->Array.FogCoord.Stride"],
 669           "", "EXT_fog_coord" ),
 670         ( "GL_FOG_COORDINATE_SOURCE_EXT", GLenum, ["ctx->Fog.FogCoordinateSource"],
 671           "", "EXT_fog_coord" ),
 672
 673         # GL_EXT_texture_lod_bias
 674         ( "GL_MAX_TEXTURE_LOD_BIAS_EXT", GLfloat,
 675           ["ctx->Const.MaxTextureLodBias"], "", "EXT_texture_lod_bias"),
 676
 677         # GL_EXT_texture_filter_anisotropic
 678         ( "GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT", GLfloat,
 679           ["ctx->Const.MaxTextureMaxAnisotropy"], "", "EXT_texture_filter_anisotropic"),
 680
 681         # GL_ARB_multisample
 682         ( "GL_MULTISAMPLE_ARB", GLboolean,
 683           ["ctx->Multisample.Enabled"], "", "ARB_multisample" ),
 684         ( "GL_SAMPLE_ALPHA_TO_COVERAGE_ARB", GLboolean,
 685           ["ctx->Multisample.SampleAlphaToCoverage"], "", "ARB_multisample" ),
 686         ( "GL_SAMPLE_ALPHA_TO_ONE_ARB", GLboolean,
 687           ["ctx->Multisample.SampleAlphaToOne"], "", "ARB_multisample" ),
 688         ( "GL_SAMPLE_COVERAGE_ARB", GLboolean,
 689           ["ctx->Multisample.SampleCoverage"], "", "ARB_multisample" ),
 690         ( "GL_SAMPLE_COVERAGE_VALUE_ARB", GLfloat,
 691           ["ctx->Multisample.SampleCoverageValue"], "", "ARB_multisample" ),
 692         ( "GL_SAMPLE_COVERAGE_INVERT_ARB", GLboolean,
 693           ["ctx->Multisample.SampleCoverageInvert"], "", "ARB_multisample" ),
 694         ( "GL_SAMPLE_BUFFERS_ARB", GLint, ["0"], "", "ARB_multisample" ),
 695         ( "GL_SAMPLES_ARB", GLint, ["0"], "", "ARB_multisample" ),
 696
 697         # GL_IBM_rasterpos_clip
 698         ( "GL_RASTER_POSITION_UNCLIPPED_IBM", GLboolean,
 699           ["ctx->Transform.RasterPositionUnclipped"], "", "IBM_rasterpos_clip" ),
 700
 701         # GL_NV_point_sprite
 702         ( "GL_POINT_SPRITE_NV", GLboolean, ["ctx->Point.PointSprite"],
 703           "", "NV_point_sprite" ), # OR ARB_point_sprite
 704         ( "GL_POINT_SPRITE_R_MODE_NV", GLenum, ["ctx->Point.SpriteRMode"],
 705           "", "NV_point_sprite" ), # OR ARB_point_sprite
 706         ( "GL_POINT_SPRITE_COORD_ORIGIN", GLenum, ["ctx->Point.SpriteOrigin"],
 707           "", "NV_point_sprite" ), # OR ARB_point_sprite
 708
 709         # GL_SGIS_generate_mipmap
 710         ( "GL_GENERATE_MIPMAP_HINT_SGIS", GLenum, ["ctx->Hint.GenerateMipmap"],
 711           "", "SGIS_generate_mipmap" ),
 712
 713         # GL_NV_vertex_program
 714         ( "GL_VERTEX_PROGRAM_NV", GLboolean,
 715           ["ctx->VertexProgram.Enabled"], "", "NV_vertex_program" ),
 716         ( "GL_VERTEX_PROGRAM_POINT_SIZE_NV", GLboolean,
 717           ["ctx->VertexProgram.PointSizeEnabled"], "", "NV_vertex_program" ),
 718         ( "GL_VERTEX_PROGRAM_TWO_SIDE_NV", GLboolean,
 719           ["ctx->VertexProgram.TwoSideEnabled"], "", "NV_vertex_program" ),
 720         ( "GL_MAX_TRACK_MATRIX_STACK_DEPTH_NV", GLint,
 721           ["ctx->Const.MaxProgramMatrixStackDepth"], "", "NV_vertex_program" ),
 722         ( "GL_MAX_TRACK_MATRICES_NV", GLint,
 723           ["ctx->Const.MaxProgramMatrices"], "", "NV_vertex_program" ),
 724         ( "GL_CURRENT_MATRIX_STACK_DEPTH_NV", GLboolean,
 725           ["ctx->CurrentStack->Depth + 1"], "", "NV_vertex_program" ),
 726         ( "GL_CURRENT_MATRIX_NV", GLfloat,
 727           ["matrix[0]", "matrix[1]", "matrix[2]", "matrix[3]",
 728            "matrix[4]", "matrix[5]", "matrix[6]", "matrix[7]",
 729            "matrix[8]", "matrix[9]", "matrix[10]", "matrix[11]",
 730            "matrix[12]", "matrix[13]", "matrix[14]", "matrix[15]" ],
 731           "const GLfloat *matrix = ctx->CurrentStack->Top->m;", "NV_vertex_program" ),
 732         ( "GL_VERTEX_PROGRAM_BINDING_NV", GLint,
 733           ["(ctx->VertexProgram.Current ? ctx->VertexProgram.Current->Base.Id : 0)"],
 734           "", "NV_vertex_program" ),
 735         ( "GL_PROGRAM_ERROR_POSITION_NV", GLint,
 736           ["ctx->Program.ErrorPos"], "", "NV_vertex_program" ),
 737         ( "GL_VERTEX_ATTRIB_ARRAY0_NV", GLboolean,
 738           ["ctx->Array.VertexAttrib[0].Enabled"], "", "NV_vertex_program" ),
 739         ( "GL_VERTEX_ATTRIB_ARRAY1_NV", GLboolean,
 740           ["ctx->Array.VertexAttrib[1].Enabled"], "", "NV_vertex_program" ),
 741         ( "GL_VERTEX_ATTRIB_ARRAY2_NV", GLboolean,
 742           ["ctx->Array.VertexAttrib[2].Enabled"], "", "NV_vertex_program" ),
 743         ( "GL_VERTEX_ATTRIB_ARRAY3_NV", GLboolean,
 744           ["ctx->Array.VertexAttrib[3].Enabled"], "", "NV_vertex_program" ),
 745         ( "GL_VERTEX_ATTRIB_ARRAY4_NV", GLboolean,
 746           ["ctx->Array.VertexAttrib[4].Enabled"], "", "NV_vertex_program" ),
 747         ( "GL_VERTEX_ATTRIB_ARRAY5_NV", GLboolean,
 748           ["ctx->Array.VertexAttrib[5].Enabled"], "", "NV_vertex_program" ),
 749         ( "GL_VERTEX_ATTRIB_ARRAY6_NV", GLboolean,
 750           ["ctx->Array.VertexAttrib[6].Enabled"], "", "NV_vertex_program" ),
 751         ( "GL_VERTEX_ATTRIB_ARRAY7_NV", GLboolean,
 752           ["ctx->Array.VertexAttrib[7].Enabled"], "", "NV_vertex_program" ),
 753         ( "GL_VERTEX_ATTRIB_ARRAY8_NV", GLboolean,
 754           ["ctx->Array.VertexAttrib[8].Enabled"], "", "NV_vertex_program" ),
 755         ( "GL_VERTEX_ATTRIB_ARRAY9_NV", GLboolean,
 756           ["ctx->Array.VertexAttrib[9].Enabled"], "", "NV_vertex_program" ),
 757         ( "GL_VERTEX_ATTRIB_ARRAY10_NV", GLboolean,
 758           ["ctx->Array.VertexAttrib[10].Enabled"], "", "NV_vertex_program" ),
 759         ( "GL_VERTEX_ATTRIB_ARRAY11_NV", GLboolean,
 760           ["ctx->Array.VertexAttrib[11].Enabled"], "", "NV_vertex_program" ),
 761         ( "GL_VERTEX_ATTRIB_ARRAY12_NV", GLboolean,
 762           ["ctx->Array.VertexAttrib[12].Enabled"], "", "NV_vertex_program" ),
 763         ( "GL_VERTEX_ATTRIB_ARRAY13_NV", GLboolean,
 764           ["ctx->Array.VertexAttrib[13].Enabled"], "", "NV_vertex_program" ),
 765         ( "GL_VERTEX_ATTRIB_ARRAY14_NV", GLboolean,
 766           ["ctx->Array.VertexAttrib[14].Enabled"], "", "NV_vertex_program" ),
 767         ( "GL_VERTEX_ATTRIB_ARRAY15_NV", GLboolean,
 768           ["ctx->Array.VertexAttrib[15].Enabled"], "", "NV_vertex_program" ),
 769         ( "GL_MAP1_VERTEX_ATTRIB0_4_NV", GLboolean,
 770           ["ctx->Eval.Map1Attrib[0]"], "", "NV_vertex_program" ),
 771         ( "GL_MAP1_VERTEX_ATTRIB1_4_NV", GLboolean,
 772           ["ctx->Eval.Map1Attrib[1]"], "", "NV_vertex_program" ),
 773         ( "GL_MAP1_VERTEX_ATTRIB2_4_NV", GLboolean,
 774           ["ctx->Eval.Map1Attrib[2]"], "", "NV_vertex_program" ),
 775         ( "GL_MAP1_VERTEX_ATTRIB3_4_NV", GLboolean,
 776           ["ctx->Eval.Map1Attrib[3]"], "", "NV_vertex_program" ),
 777         ( "GL_MAP1_VERTEX_ATTRIB4_4_NV", GLboolean,
 778           ["ctx->Eval.Map1Attrib[4]"], "", "NV_vertex_program" ),
 779         ( "GL_MAP1_VERTEX_ATTRIB5_4_NV", GLboolean,
 780           ["ctx->Eval.Map1Attrib[5]"], "", "NV_vertex_program" ),
 781         ( "GL_MAP1_VERTEX_ATTRIB6_4_NV", GLboolean,
 782           ["ctx->Eval.Map1Attrib[6]"], "", "NV_vertex_program" ),
 783         ( "GL_MAP1_VERTEX_ATTRIB7_4_NV", GLboolean,
 784           ["ctx->Eval.Map1Attrib[7]"], "", "NV_vertex_program" ),
 785         ( "GL_MAP1_VERTEX_ATTRIB8_4_NV", GLboolean,
 786           ["ctx->Eval.Map1Attrib[8]"], "", "NV_vertex_program" ),
 787         ( "GL_MAP1_VERTEX_ATTRIB9_4_NV", GLboolean,
 788           ["ctx->Eval.Map1Attrib[9]"], "", "NV_vertex_program" ),
 789         ( "GL_MAP1_VERTEX_ATTRIB10_4_NV", GLboolean,
 790           ["ctx->Eval.Map1Attrib[10]"], "", "NV_vertex_program" ),
 791         ( "GL_MAP1_VERTEX_ATTRIB11_4_NV", GLboolean,
 792           ["ctx->Eval.Map1Attrib[11]"], "", "NV_vertex_program" ),
 793         ( "GL_MAP1_VERTEX_ATTRIB12_4_NV", GLboolean,
 794           ["ctx->Eval.Map1Attrib[12]"], "", "NV_vertex_program" ),
 795         ( "GL_MAP1_VERTEX_ATTRIB13_4_NV", GLboolean,
 796           ["ctx->Eval.Map1Attrib[13]"], "", "NV_vertex_program" ),
 797         ( "GL_MAP1_VERTEX_ATTRIB14_4_NV", GLboolean,
 798           ["ctx->Eval.Map1Attrib[14]"], "", "NV_vertex_program" ),
 799         ( "GL_MAP1_VERTEX_ATTRIB15_4_NV", GLboolean,
 800           ["ctx->Eval.Map1Attrib[15]"], "", "NV_vertex_program" ),
 801
 802         # GL_NV_fragment_program
 803         ( "GL_FRAGMENT_PROGRAM_NV", GLboolean,
 804           ["ctx->FragmentProgram.Enabled"], "", "NV_fragment_program" ),
 805         ( "GL_MAX_TEXTURE_COORDS_NV", GLint,
 806           ["ctx->Const.MaxTextureCoordUnits"], "", "NV_fragment_program" ),
 807         ( "GL_MAX_TEXTURE_IMAGE_UNITS_NV", GLint,
 808           ["ctx->Const.MaxTextureImageUnits"], "", "NV_fragment_program" ),
 809         ( "GL_FRAGMENT_PROGRAM_BINDING_NV", GLint,
 810           ["ctx->VertexProgram.Current ? ctx->VertexProgram.Current->Base.Id : 0"],
 811           "", "NV_fragment_program" ),
 812         ( "GL_MAX_FRAGMENT_PROGRAM_LOCAL_PARAMETERS_NV", GLint,
 813           ["MAX_NV_FRAGMENT_PROGRAM_PARAMS"], "", "NV_fragment_program" ),
 814
 815         # GL_NV_texture_rectangle
 816         ( "GL_TEXTURE_RECTANGLE_NV", GLboolean,
 817           ["_mesa_IsEnabled(GL_TEXTURE_RECTANGLE_NV)"], "", "NV_texture_rectangle" ),
 818         ( "GL_TEXTURE_BINDING_RECTANGLE_NV", GLint,
 819           ["ctx->Texture.Unit[ctx->Texture.CurrentUnit].CurrentRect->Name"],
 820           "", "NV_texture_rectangle" ),
 821         ( "GL_MAX_RECTANGLE_TEXTURE_SIZE_NV", GLint,
 822           ["ctx->Const.MaxTextureRectSize"], "", "NV_texture_rectangle" ),
 823
 824         # GL_EXT_stencil_two_side
 825         ( "GL_STENCIL_TEST_TWO_SIDE_EXT", GLboolean,
 826           ["ctx->Stencil.TestTwoSide"], "", "EXT_stencil_two_side" ),
 827         ( "GL_ACTIVE_STENCIL_FACE_EXT", GLenum,
 828           ["ctx->Stencil.ActiveFace ? GL_BACK : GL_FRONT"],
 829           "", "EXT_stencil_two_side" ),
 830
 831         # GL_NV_light_max_exponent
 832         ( "GL_MAX_SHININESS_NV", GLfloat,
 833           ["ctx->Const.MaxShininess"], "", "NV_light_max_exponent" ),
 834         ( "GL_MAX_SPOT_EXPONENT_NV", GLfloat,
 835           ["ctx->Const.MaxSpotExponent"], "", "NV_light_max_exponent" ),
 836
 837         # GL_ARB_vertex_buffer_object
 838         ( "GL_ARRAY_BUFFER_BINDING_ARB", GLint,
 839           ["ctx->Array.ArrayBufferObj->Name"], "", "ARB_vertex_buffer_object" ),
 840         ( "GL_VERTEX_ARRAY_BUFFER_BINDING_ARB", GLint,
 841           ["ctx->Array.Vertex.BufferObj->Name"], "", "ARB_vertex_buffer_object" ),
 842         ( "GL_NORMAL_ARRAY_BUFFER_BINDING_ARB", GLint,
 843           ["ctx->Array.Normal.BufferObj->Name"], "", "ARB_vertex_buffer_object" ),
 844         ( "GL_COLOR_ARRAY_BUFFER_BINDING_ARB", GLint,
 845           ["ctx->Array.Color.BufferObj->Name"], "", "ARB_vertex_buffer_object" ),
 846         ( "GL_INDEX_ARRAY_BUFFER_BINDING_ARB", GLint,
 847           ["ctx->Array.Index.BufferObj->Name"], "", "ARB_vertex_buffer_object" ),
 848         ( "GL_TEXTURE_COORD_ARRAY_BUFFER_BINDING_ARB", GLint,
 849           ["ctx->Array.TexCoord[ctx->Array.ActiveTexture].BufferObj->Name"],
 850           "", "ARB_vertex_buffer_object" ),
 851         ( "GL_EDGE_FLAG_ARRAY_BUFFER_BINDING_ARB", GLint,
 852           ["ctx->Array.EdgeFlag.BufferObj->Name"], "", "ARB_vertex_buffer_object" ),
 853         ( "GL_SECONDARY_COLOR_ARRAY_BUFFER_BINDING_ARB", GLint,
 854           ["ctx->Array.SecondaryColor.BufferObj->Name"],
 855           "", "ARB_vertex_buffer_object" ),
 856         ( "GL_FOG_COORDINATE_ARRAY_BUFFER_BINDING_ARB", GLint,
 857           ["ctx->Array.FogCoord.BufferObj->Name"], "", "ARB_vertex_buffer_object" ),
 858         # GL_WEIGHT_ARRAY_BUFFER_BINDING_ARB - not supported
 859         ( "GL_ELEMENT_ARRAY_BUFFER_BINDING_ARB", GLint,
 860           ["ctx->Array.ElementArrayBufferObj->Name"], "", "ARB_vertex_buffer_object" ),
 861
 862         # GL_EXT_pixel_buffer_object
 863         ( "GL_PIXEL_PACK_BUFFER_BINDING_EXT", GLint,
 864           ["ctx->Pack.BufferObj->Name"], "", "EXT_pixel_buffer_object" ),
 865         ( "GL_PIXEL_UNPACK_BUFFER_BINDING_EXT", GLint,
 866           ["ctx->Unpack.BufferObj->Name"], "", "EXT_pixel_buffer_object" ),
 867
 868         # GL_ARB_vertex_program
 869         ( "GL_MAX_VERTEX_ATTRIBS_ARB", GLint,
 870           ["ctx->Const.MaxVertexProgramAttribs"], "", "ARB_vertex_program" ),
 871
 872         # GL_ARB_fragment_program
 873         ( "GL_FRAGMENT_PROGRAM_ARB", GLboolean,
 874           ["ctx->FragmentProgram.Enabled"], "", "ARB_fragment_program" ),
 875         ( "GL_TRANSPOSE_CURRENT_MATRIX_ARB", GLfloat,
 876           ["matrix[0]", "matrix[4]", "matrix[8]", "matrix[12]",
 877            "matrix[1]", "matrix[5]", "matrix[9]", "matrix[13]",
 878            "matrix[2]", "matrix[6]", "matrix[10]", "matrix[14]",
 879            "matrix[3]", "matrix[7]", "matrix[11]", "matrix[15]"],
 880           "const GLfloat *matrix = ctx->CurrentStack->Top->m;", "ARB_fragment_program" ),
 881
 882         # GL_EXT_depth_bounds_test
 883         ( "GL_DEPTH_BOUNDS_TEST_EXT", GLboolean,
 884           ["ctx->Depth.BoundsTest"], "", "EXT_depth_bounds_test" ),
 885         ( "GL_DEPTH_BOUNDS_EXT", GLfloat,
 886           ["ctx->Depth.BoundsMin", "ctx->Depth.BoundsMax"],
 887           "", "EXT_depth_bounds_test" ),
 888
 889         # GL_MESA_program_debug
 890         ( "GL_FRAGMENT_PROGRAM_CALLBACK_MESA", GLboolean,
 891           ["ctx->FragmentProgram.CallbackEnabled"], "", "MESA_program_debug" ),
 892         ( "GL_VERTEX_PROGRAM_CALLBACK_MESA", GLboolean,
 893           ["ctx->VertexProgram.CallbackEnabled"], "", "MESA_program_debug" ),
 894         ( "GL_FRAGMENT_PROGRAM_POSITION_MESA", GLint,
 895           ["ctx->FragmentProgram.CurrentPosition"], "", "MESA_program_debug" ),
 896         ( "GL_VERTEX_PROGRAM_POSITION_MESA", GLint,
 897           ["ctx->VertexProgram.CurrentPosition"], "", "MESA_program_debug" ),
 898
 899         # GL_ARB_draw_buffers
 900         ( "GL_MAX_DRAW_BUFFERS_ARB", GLint,
 901           ["ctx->Const.MaxDrawBuffers"], "", "ARB_draw_buffers" ),
 902         ( "GL_DRAW_BUFFER0_ARB", GLenum,
 903           ["ctx->Color.DrawBuffer[0]"], "", "ARB_draw_buffers" ),
 904         ( "GL_DRAW_BUFFER1_ARB", GLenum,
 905           ["buffer"],
 906           """GLenum buffer;
 907          if (pname - GL_DRAW_BUFFER0_ARB >= ctx->Const.MaxDrawBuffers) {
 908             _mesa_error(ctx, GL_INVALID_ENUM, "glGet(GL_DRAW_BUFFERx_ARB)");
 909             return;
 910          }
 911          buffer = ctx->Color.DrawBuffer[1];""", "ARB_draw_buffers" ),
 912         ( "GL_DRAW_BUFFER2_ARB", GLenum,
 913           ["buffer"],
 914           """GLenum buffer;
 915          if (pname - GL_DRAW_BUFFER0_ARB >= ctx->Const.MaxDrawBuffers) {
 916             _mesa_error(ctx, GL_INVALID_ENUM, "glGet(GL_DRAW_BUFFERx_ARB)");
 917             return;
 918          }
 919          buffer = ctx->Color.DrawBuffer[2];""", "ARB_draw_buffers" ),
 920         ( "GL_DRAW_BUFFER3_ARB", GLenum,
 921           ["buffer"],
 922           """GLenum buffer;
 923          if (pname - GL_DRAW_BUFFER0_ARB >= ctx->Const.MaxDrawBuffers) {
 924             _mesa_error(ctx, GL_INVALID_ENUM, "glGet(GL_DRAW_BUFFERx_ARB)");
 925             return;
 926          }
 927          buffer = ctx->Color.DrawBuffer[3];""", "ARB_draw_buffers" ),
 928         # XXX Add more GL_DRAW_BUFFERn_ARB entries as needed in the future
 929
 930         # GL_OES_read_format
 931         ( "GL_IMPLEMENTATION_COLOR_READ_TYPE_OES", GLint,
 932           ["ctx->Const.ColorReadType"], "", "OES_read_format" ),
 933         ( "GL_IMPLEMENTATION_COLOR_READ_FORMAT_OES", GLint,
 934           ["ctx->Const.ColorReadFormat"], "", "OES_read_format" ),
 935
 936         # GL_ATI_fragment_shader
 937         ( "GL_NUM_FRAGMENT_REGISTERS_ATI", GLint, ["6"], "", "ATI_fragment_shader" ),
 938         ( "GL_NUM_FRAGMENT_CONSTANTS_ATI", GLint, ["8"], "", "ATI_fragment_shader" ),
 939         ( "GL_NUM_PASSES_ATI", GLint, ["2"], "", "ATI_fragment_shader" ),
 940         ( "GL_NUM_INSTRUCTIONS_PER_PASS_ATI", GLint, ["8"], "", "ATI_fragment_shader" ),
 941         ( "GL_NUM_INSTRUCTIONS_TOTAL_ATI", GLint, ["16"], "", "ATI_fragment_shader" ),
 942         ( "GL_COLOR_ALPHA_PAIRING_ATI", GLboolean, ["GL_TRUE"], "", "ATI_fragment_shader" ),
 943         ( "GL_NUM_LOOPBACK_COMPONENTS_ATI", GLint, ["3"], "", "ATI_fragment_shader" ),
 944         ( "GL_NUM_INPUT_INTERPOLATOR_COMPONENTS_ATI", GLint, ["3"], "", "ATI_fragment_shader" ),
 945
 946         # OpenGL 2.0
 947         ( "GL_STENCIL_BACK_FUNC", GLenum, ["ctx->Stencil.Function[1]"], "", None ),
 948         ( "GL_STENCIL_BACK_VALUE_MASK", GLint, ["ctx->Stencil.ValueMask[1]"], "", None ),
 949         ( "GL_STENCIL_BACK_REF", GLint, ["ctx->Stencil.Ref[1]"], "", None ),
 950         ( "GL_STENCIL_BACK_FAIL", GLenum, ["ctx->Stencil.FailFunc[1]"], "", None ),
 951         ( "GL_STENCIL_BACK_PASS_DEPTH_FAIL", GLenum, ["ctx->Stencil.ZFailFunc[1]"], "", None ),
 952         ( "GL_STENCIL_BACK_PASS_DEPTH_PASS", GLenum, ["ctx->Stencil.ZPassFunc[1]"], "", None ),
 953
 954         # GL_EXT_framebuffer_object
 955         ( "GL_FRAMEBUFFER_BINDING_EXT", GLint,
 956           ["ctx->CurrentFramebuffer ? ctx->CurrentFramebuffer->Name : 0"], "",
 957           "EXT_framebuffer_object" ),
 958         ( "GL_RENDERBUFFER_BINDING_EXT", GLint,
 959           ["ctx->CurrentRenderbuffer ? ctx->CurrentRenderbuffer->Name : 0"], "",
 960           "EXT_framebuffer_object" ),
 961         ( "GL_MAX_COLOR_ATTACHMENTS_EXT", GLint,
 962           ["ctx->Const.MaxColorAttachments"], "",
 963           "EXT_framebuffer_object" ),
 964         ( "GL_MAX_RENDERBUFFER_SIZE_EXT", GLint,
 965           ["ctx->Const.MaxRenderbufferSize"], "",
 966           "EXT_framebuffer_object" )
 967 ]
 968
 969
 970 def ConversionFunc(fromType, toType):
 971         """Return the name of the macro to convert between two data types."""
 972         if fromType == toType:
 973                 return ""
 974         elif fromType == GLfloat and toType == GLint:
 975                 return "IROUND"
 976         elif fromType == GLfloatN and toType == GLfloat:
 977                 return ""
 978         elif fromType == GLint and toType == GLfloat: # but not GLfloatN!
 979                 return "(GLfloat)"
 980         else:
 981                 if fromType == GLfloatN:
 982                         fromType = GLfloat
 983                 fromStr = TypeStrings[fromType]
 984                 fromStr = string.upper(fromStr[2:])
 985                 toStr = TypeStrings[toType]
 986                 toStr = string.upper(toStr[2:])
 987                 return fromStr + "_TO_" + toStr
 988
 989
 990 def EmitGetFunction(stateVars, returnType):
 991         """Emit the code to implement glGetBooleanv, glGetIntegerv or glGetFloatv."""
 992         assert (returnType == GLboolean or
 993                         returnType == GLint or
 994                         returnType == GLfloat)
 995
 996         strType = TypeStrings[returnType]
 997         # Capitalize first letter of return type
 998         if returnType == GLint:
 999                 function = "GetIntegerv"
1000         else:
1001                 function = "Get" + string.upper(strType[2]) + strType[3:] + "v"
1002
1003         print "void GLAPIENTRY"
1004         print "_mesa_%s( GLenum pname, %s *params )" % (function, TypeStrings[returnType])
1005         print "{"
1006         print "   GET_CURRENT_CONTEXT(ctx);"
1007         print "   ASSERT_OUTSIDE_BEGIN_END(ctx);"
1008         print ""
1009         print "   if (!params)"
1010         print "      return;"
1011         print ""
1012         print "   if (ctx->Driver.%s &&" % function
1013         print "       ctx->Driver.%s(ctx, pname, params))" % function
1014         print "      return;"
1015         print ""
1016         print "   switch (pname) {"
1017
1018         extCheck = "CHECK_EXTENSION_%s" % string.upper(TypeStrings[returnType][2])
1019
1020         for (name, varType, state, optionalCode, extension) in stateVars:
1021                 print "      case " + name + ":"
1022                 if extension:
1023                         print "         %s(%s, pname);" % (extCheck, extension)
1024                 if optionalCode:
1025                         print "         {"
1026                         print "         " + optionalCode
1027                 conversion = ConversionFunc(varType, returnType)
1028                 n = len(state)
1029                 for i in range(n):
1030                         if conversion:
1031                                 print "         params[%d] = %s(%s);" % (i, conversion, state[i])
1032                         else:
1033                                 print "         params[%d] = %s;" % (i, state[i])
1034                 if optionalCode:
1035                         print "         }"
1036                 print "         break;"
1037
1038         print "      default:"
1039         print '         _mesa_error(ctx, GL_INVALID_ENUM, "gl%s(pname=0x%%x)", pname);' % function
1040         print "   }"
1041         print "}"
1042         print ""
1043         return
1044
1045
1046
1047 def EmitHeader():
1048         """Print the get.c file header."""
1049         print """
1050 /***
1051  ***  NOTE!!!  DO NOT EDIT THIS FILE!!!  IT IS GENERATED BY get_gen.py
1052  ***/
1053
1054 #include "glheader.h"
1055 #include "context.h"
1056 #include "enable.h"
1057 #include "extensions.h"
1058 #include "fbobject.h"
1059 #include "get.h"
1060 #include "macros.h"
1061 #include "mtypes.h"
1062 #include "texcompress.h"
1063
1064
1065 #define FLOAT_TO_BOOLEAN(X)   ( (X) ? GL_TRUE : GL_FALSE )
1066
1067 #define INT_TO_BOOLEAN(I)     ( (I) ? GL_TRUE : GL_FALSE )
1068
1069 #define ENUM_TO_BOOLEAN(E)    ( (E) ? GL_TRUE : GL_FALSE )
1070 #define ENUM_TO_INT(E)        ( (GLint) (E) )
1071 #define ENUM_TO_FLOAT(E)      ( (GLfloat) (E) )
1072
1073 #define BOOLEAN_TO_INT(B)     ( (GLint) (B) )
1074 #define BOOLEAN_TO_FLOAT(B)   ( (B) ? 1.0F : 0.0F )
1075
1076
1077 /* Check if named extension is enabled, if not generate error and return */
1078
1079 #define CHECK1(E1, str, PNAME)                         \\
1080    if (!ctx->Extensions.E1) {                          \\
1081       _mesa_error(ctx, GL_INVALID_VALUE,               \\
1082                   "glGet" str "v(0x%x)", (int) PNAME); \\
1083       return;                                          \\
1084    }
1085
1086 #define CHECK2(E1, E2, str, PNAME)                     \\
1087    if (!ctx->Extensions.E1 && !ctx->Extensions.E2) {   \\
1088       _mesa_error(ctx, GL_INVALID_VALUE,               \\
1089                   "glGet" str "v(0x%x)", (int) PNAME); \\
1090       return;                                          \\
1091    }
1092
1093 #define CHECK_EXTENSION_B(EXTNAME, PNAME)      \\
1094    CHECK1(EXTNAME, "Boolean", PNAME )
1095
1096 #define CHECK_EXTENSION_I(EXTNAME, PNAME)      \\
1097    CHECK1(EXTNAME, "Integer", PNAME )
1098
1099 #define CHECK_EXTENSION_F(EXTNAME, PNAME)      \\
1100    CHECK1(EXTNAME, "Float", PNAME )
1101
1102
1103 /**
1104  * Helper routine.
1105  */
1106 static GLenum
1107 pixel_texgen_mode(const GLcontext *ctx)
1108 {
1109    if (ctx->Pixel.FragmentRgbSource == GL_CURRENT_RASTER_POSITION) {
1110       if (ctx->Pixel.FragmentAlphaSource == GL_CURRENT_RASTER_POSITION) {
1111          return GL_RGBA;
1112       }
1113       else {
1114          return GL_RGB;
1115       }
1116    }
1117    else {
1118       if (ctx->Pixel.FragmentAlphaSource == GL_CURRENT_RASTER_POSITION) {
1119          return GL_ALPHA;
1120       }
1121       else {
1122          return GL_NONE;
1123       }
1124    }
1125 }
1126 """
1127         return
1128
1129
1130
1131 def EmitGetDoublev():
1132         print """
1133 void GLAPIENTRY
1134 _mesa_GetDoublev( GLenum pname, GLdouble *params )
1135 {
1136    const GLfloat magic = -1234.5F;
1137    GLfloat values[16];
1138    GLuint i;
1139
1140    if (!params)
1141       return;
1142
1143    /* Init temp array to magic numbers so we can figure out how many values
1144     * are returned by the GetFloatv() call.
1145     */
1146    for (i = 0; i < 16; i++)
1147       values[i] = magic;
1148
1149    _mesa_GetFloatv(pname, values);
1150
1151    for (i = 0; values[i] != magic && i < 16; i++)
1152       params[i] = (GLdouble) values[i];
1153 }
1154 """
1155
1156
1157
1158
1159 EmitHeader()
1160 # XXX Maybe sort the StateVars list
1161 EmitGetFunction(StateVars, GLboolean)
1162 EmitGetFunction(StateVars, GLfloat)
1163 EmitGetFunction(StateVars, GLint)
1164 EmitGetDoublev()
1165