| 1 |
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| 2 | /* Copyright (c) 2001, Stanford University
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| 3 | * All rights reserved
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| 4 | *
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| 5 | * See the file LICENSE.txt for information on redistributing this software.
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| 6 | */
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| 7 |
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| 8 | #include <stdio.h>
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| 9 | #include "state.h"
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| 10 | #include "state/cr_statetypes.h"
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| 11 | #include "cr_mem.h"
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| 12 | #include "cr_string.h"
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| 13 | #include "cr_extstring.h"
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| 14 |
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| 15 | #ifdef WINDOWS
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| 16 | #pragma warning( disable : 4127 )
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| 17 | #endif
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| 18 |
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| 19 |
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| 20 | /* This is a debug helper function. */
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| 21 | void crStateLimitsPrint (const CRLimitsState *l)
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| 22 | {
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| 23 | fprintf(stderr, "----------- OpenGL limits ----------------\n");
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| 24 | fprintf(stderr, "GL_MAX_TEXTURE_UNITS = %d\n", (int) l->maxTextureUnits);
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| 25 | fprintf(stderr, "GL_MAX_TEXTURE_SIZE = %d\n", (int) l->maxTextureSize);
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| 26 | fprintf(stderr, "GL_MAX_3D_TEXTURE_SIZE = %d\n", (int) l->max3DTextureSize);
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| 27 | fprintf(stderr, "GL_MAX_CUBE_MAP_TEXTURE_SIZE = %d\n", (int) l->maxCubeMapTextureSize);
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| 28 | fprintf(stderr, "GL_MAX_TEXTURE_ANISOTROPY = %f\n", l->maxTextureAnisotropy);
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| 29 | fprintf(stderr, "GL_MAX_LIGHTS = %d\n", (int) l->maxLights);
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| 30 | fprintf(stderr, "GL_MAX_CLIP_PLANES = %d\n", (int) l->maxClipPlanes);
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| 31 | fprintf(stderr, "GL_MAX_ATTRIB_STACK_DEPTH = %d\n", (int) l->maxClientAttribStackDepth);
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| 32 | fprintf(stderr, "GL_MAX_PROJECTION_STACK_DEPTH = %d\n", (int) l->maxProjectionStackDepth);
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| 33 | fprintf(stderr, "GL_MAX_MODELVIEW_STACK_DEPTH = %d\n", (int) l->maxModelviewStackDepth);
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| 34 | fprintf(stderr, "GL_MAX_TEXTURE_STACK_DEPTH = %d\n", (int) l->maxTextureStackDepth);
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| 35 | fprintf(stderr, "GL_MAX_COLOR_STACK_DEPTH = %d\n", (int) l->maxColorStackDepth);
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| 36 | fprintf(stderr, "GL_MAX_ATTRIB_STACK_DEPTH = %d\n", (int) l->maxAttribStackDepth);
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| 37 | fprintf(stderr, "GL_MAX_ATTRIB_STACK_DEPTH = %d\n", (int) l->maxClientAttribStackDepth);
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| 38 | fprintf(stderr, "GL_MAX_NAME_STACK_DEPTH = %d\n", (int) l->maxNameStackDepth);
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| 39 | fprintf(stderr, "GL_MAX_ELEMENTS_INDICES = %d\n", (int) l->maxElementsIndices);
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| 40 | fprintf(stderr, "GL_MAX_ELEMENTS_VERTICES = %d\n", (int) l->maxElementsVertices);
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| 41 | fprintf(stderr, "GL_MAX_EVAL_ORDER = %d\n", (int) l->maxEvalOrder);
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| 42 | fprintf(stderr, "GL_MAX_LIST_NESTING = %d\n", (int) l->maxListNesting);
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| 43 | fprintf(stderr, "GL_MAX_PIXEL_MAP_TABLE = %d\n", (int) l->maxPixelMapTable);
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| 44 | fprintf(stderr, "GL_MAX_VIEWPORT_DIMS = %d %d\n",
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| 45 | (int) l->maxViewportDims[0], (int) l->maxViewportDims[1]);
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| 46 | fprintf(stderr, "GL_SUBPIXEL_BITS = %d\n", (int) l->subpixelBits);
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| 47 | fprintf(stderr, "GL_ALIASED_POINT_SIZE_RANGE = %f .. %f\n",
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| 48 | l->aliasedPointSizeRange[0], l->aliasedPointSizeRange[1]);
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| 49 | fprintf(stderr, "GL_SMOOTH_POINT_SIZE_RANGE = %f .. %f\n",
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| 50 | l->aliasedPointSizeRange[0], l->aliasedPointSizeRange[1]);
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| 51 | fprintf(stderr, "GL_POINT_SIZE_GRANULARITY = %f\n", l->pointSizeGranularity);
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| 52 | fprintf(stderr, "GL_ALIASED_LINE_WIDTH_RANGE = %f .. %f\n",
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| 53 | l->aliasedLineWidthRange[0], l->aliasedLineWidthRange[1]);
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| 54 | fprintf(stderr, "GL_SMOOTH_LINE_WIDTH_RANGE = %f .. %f\n",
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| 55 | l->smoothLineWidthRange[0], l->smoothLineWidthRange[1]);
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| 56 | fprintf(stderr, "GL_LINE_WIDTH_GRANULARITY = %f\n", l->lineWidthGranularity);
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| 57 | fprintf(stderr, "GL_MAX_GENERAL_COMBINERS_NV = %d\n", (int) l->maxGeneralCombiners);
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| 58 | fprintf(stderr, "GL_EXTENSIONS = %s\n", (const char *) l->extensions);
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| 59 | fprintf(stderr, "------------------------------------------\n");
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| 60 | }
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| 61 |
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| 62 |
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| 63 | void crStateLimitsDestroy(CRLimitsState *l)
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| 64 | {
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| 65 | if (l->extensions) {
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| 66 | crFree((void *) l->extensions);
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| 67 | l->extensions = NULL;
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| 68 | }
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| 69 | }
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| 70 |
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| 71 |
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| 72 | /*
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| 73 | * Initialize the CRLimitsState object to Chromium's defaults.
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| 74 | */
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| 75 | void crStateLimitsInit (CRLimitsState *l)
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| 76 | {
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| 77 | l->maxTextureUnits = CR_MAX_TEXTURE_UNITS;
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| 78 | l->maxTextureSize = CR_MAX_TEXTURE_SIZE;
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| 79 | l->max3DTextureSize = CR_MAX_3D_TEXTURE_SIZE;
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| 80 | l->maxCubeMapTextureSize = CR_MAX_CUBE_TEXTURE_SIZE;
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| 81 | #ifdef CR_NV_texture_rectangle
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| 82 | l->maxRectTextureSize = CR_MAX_RECTANGLE_TEXTURE_SIZE;
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| 83 | #endif
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| 84 | l->maxTextureAnisotropy = CR_MAX_TEXTURE_ANISOTROPY;
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| 85 | l->maxGeneralCombiners = CR_MAX_GENERAL_COMBINERS;
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| 86 | l->maxLights = CR_MAX_LIGHTS;
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| 87 | l->maxClipPlanes = CR_MAX_CLIP_PLANES;
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| 88 | l->maxClientAttribStackDepth = CR_MAX_ATTRIB_STACK_DEPTH;
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| 89 | l->maxProjectionStackDepth = CR_MAX_PROJECTION_STACK_DEPTH;
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| 90 | l->maxModelviewStackDepth = CR_MAX_MODELVIEW_STACK_DEPTH;
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| 91 | l->maxTextureStackDepth = CR_MAX_TEXTURE_STACK_DEPTH;
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| 92 | l->maxColorStackDepth = CR_MAX_COLOR_STACK_DEPTH;
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| 93 | l->maxAttribStackDepth = CR_MAX_ATTRIB_STACK_DEPTH;
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| 94 | l->maxClientAttribStackDepth = CR_MAX_ATTRIB_STACK_DEPTH;
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| 95 | l->maxNameStackDepth = CR_MAX_NAME_STACK_DEPTH;
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| 96 | l->maxElementsIndices = CR_MAX_ELEMENTS_INDICES;
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| 97 | l->maxElementsVertices = CR_MAX_ELEMENTS_VERTICES;
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| 98 | l->maxEvalOrder = CR_MAX_EVAL_ORDER;
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| 99 | l->maxListNesting = CR_MAX_LIST_NESTING;
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| 100 | l->maxPixelMapTable = CR_MAX_PIXEL_MAP_TABLE;
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| 101 | l->maxViewportDims[0] = l->maxViewportDims[1] = CR_MAX_VIEWPORT_DIM;
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| 102 | l->subpixelBits = CR_SUBPIXEL_BITS;
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| 103 | l->aliasedPointSizeRange[0] = CR_ALIASED_POINT_SIZE_MIN;
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| 104 | l->aliasedPointSizeRange[1] = CR_ALIASED_POINT_SIZE_MAX;
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| 105 | l->smoothPointSizeRange[0] = CR_SMOOTH_POINT_SIZE_MIN;
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| 106 | l->smoothPointSizeRange[1] = CR_SMOOTH_POINT_SIZE_MAX;
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| 107 | l->pointSizeGranularity = CR_POINT_SIZE_GRANULARITY;
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| 108 | l->aliasedLineWidthRange[0] = CR_ALIASED_LINE_WIDTH_MIN;
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| 109 | l->aliasedLineWidthRange[1] = CR_ALIASED_LINE_WIDTH_MAX;
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| 110 | l->smoothLineWidthRange[0] = CR_SMOOTH_LINE_WIDTH_MIN;
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| 111 | l->smoothLineWidthRange[1] = CR_SMOOTH_LINE_WIDTH_MAX;
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| 112 | l->lineWidthGranularity = CR_LINE_WIDTH_GRANULARITY;
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| 113 | #ifdef CR_EXT_texture_lod_bias
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| 114 | l->maxTextureLodBias = CR_MAX_TEXTURE_LOD_BIAS;
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| 115 | #endif
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| 116 | #ifdef CR_NV_fragment_program
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| 117 | l->maxTextureCoords = CR_MAX_TEXTURE_COORDS;
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| 118 | l->maxTextureImageUnits = CR_MAX_TEXTURE_IMAGE_UNITS;
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| 119 | l->maxFragmentProgramLocalParams = CR_MAX_FRAGMENT_LOCAL_PARAMS;
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| 120 | #endif
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| 121 | #ifdef CR_NV_vertex_program
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| 122 | l->maxProgramMatrixStackDepth = CR_MAX_PROGRAM_MATRIX_STACK_DEPTH;
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| 123 | l->maxProgramMatrices = CR_MAX_PROGRAM_MATRICES;
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| 124 | #endif
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| 125 | #ifdef CR_ARB_fragment_program
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| 126 | l->maxFragmentProgramInstructions = CR_MAX_FRAGMENT_PROGRAM_INSTRUCTIONS;
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| 127 | l->maxFragmentProgramLocalParams = CR_MAX_FRAGMENT_PROGRAM_LOCAL_PARAMS;
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| 128 | l->maxFragmentProgramEnvParams = CR_MAX_FRAGMENT_PROGRAM_ENV_PARAMS;
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| 129 | l->maxFragmentProgramTemps = CR_MAX_FRAGMENT_PROGRAM_TEMPS;
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| 130 | l->maxFragmentProgramAttribs = CR_MAX_FRAGMENT_PROGRAM_ATTRIBS;
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| 131 | l->maxFragmentProgramAddressRegs = CR_MAX_FRAGMENT_PROGRAM_ADDRESS_REGS;
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| 132 | l->maxFragmentProgramAluInstructions = CR_MAX_FRAGMENT_PROGRAM_ALU_INSTRUCTIONS;
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| 133 | l->maxFragmentProgramTexInstructions = CR_MAX_FRAGMENT_PROGRAM_TEX_INSTRUCTIONS;
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| 134 | l->maxFragmentProgramTexIndirections = CR_MAX_FRAGMENT_PROGRAM_TEX_INDIRECTIONS;
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| 135 | #endif
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| 136 | #ifdef CR_ARB_vertex_program
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| 137 | l->maxVertexProgramInstructions = CR_MAX_VERTEX_PROGRAM_INSTRUCTIONS;
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| 138 | l->maxVertexProgramLocalParams = CR_MAX_VERTEX_PROGRAM_LOCAL_PARAMS;
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| 139 | l->maxVertexProgramEnvParams = CR_MAX_VERTEX_PROGRAM_ENV_PARAMS;
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| 140 | l->maxVertexProgramTemps = CR_MAX_VERTEX_PROGRAM_TEMPS;
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| 141 | l->maxVertexProgramAttribs = CR_MAX_VERTEX_PROGRAM_ATTRIBS;
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| 142 | l->maxVertexProgramAddressRegs = CR_MAX_VERTEX_PROGRAM_ADDRESS_REGS;
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| 143 | #endif
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| 144 |
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| 145 | l->extensions = (GLubyte *) crStrdup(crExtensions);
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| 146 |
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| 147 | /* These will get properly set in crStateCreateContext() by examining
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| 148 | * the visBits bitfield parameter.
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| 149 | */
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| 150 | l->redBits = 0;
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| 151 | l->greenBits = 0;
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| 152 | l->blueBits = 0;
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| 153 | l->alphaBits = 0;
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| 154 | l->depthBits = 0;
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| 155 | l->stencilBits = 0;
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| 156 | l->accumRedBits = 0;
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| 157 | l->accumGreenBits = 0;
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| 158 | l->accumBlueBits = 0;
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| 159 | l->accumAlphaBits = 0;
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| 160 | l->auxBuffers = 0;
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| 161 | l->rgbaMode = GL_TRUE;
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| 162 | l->doubleBuffer = GL_FALSE;
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| 163 | l->stereo = GL_FALSE;
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| 164 | l->sampleBuffers = 0;
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| 165 | l->samples = 0;
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| 166 | l->level = 0;
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| 167 |
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| 168 | (void) crAppOnlyExtensions; /* silence warning */
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| 169 | }
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| 170 |
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| 171 |
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| 172 | /*
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| 173 | * Given the GL version number returned from a real GL renderer,
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| 174 | * compute the version number supported by Chromium.
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| 175 | */
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| 176 | void crStateComputeVersion(uint32_t *puMajorMin, uint32_t *puMinorMin)
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| 177 | {
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| 178 | if (*puMajorMin > CR_OPENGL_VERSION_MAJOR)
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| 179 | {
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| 180 | *puMajorMin = CR_OPENGL_VERSION_MAJOR;
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| 181 | *puMinorMin = CR_OPENGL_VERSION_MINOR;
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| 182 | return;
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| 183 | }
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| 184 |
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| 185 | if (*puMinorMin > CR_OPENGL_VERSION_MINOR)
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| 186 | *puMinorMin = CR_OPENGL_VERSION_MINOR;
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| 187 |
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| 188 | return;
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| 189 | }
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| 190 |
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| 191 |
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| 192 | /*
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| 193 | * <extenions> is an array [n] of GLubyte pointers which contain lists of
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| 194 | * OpenGL extensions.
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| 195 | * Compute the intersection of those strings, then append the Chromium
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| 196 | * extension strings.
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| 197 | */
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| 198 | GLubyte * crStateMergeExtensions(GLuint n, const GLubyte **extensions)
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| 199 | {
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| 200 | char *merged, *result;
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| 201 | GLuint i;
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| 202 |
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| 203 | /* find intersection of all extension strings */
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| 204 | merged = crStrdup(crExtensions);
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| 205 | for (i = 0; i < n; i++)
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| 206 | {
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| 207 | char *m = crStrIntersect(merged, (const char *) extensions[i]);
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| 208 | if (merged)
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| 209 | crFree(merged);
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| 210 | merged = m;
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| 211 | }
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| 212 |
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| 213 | /* append Cr extensions */
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| 214 | result = crStrjoin(merged, crChromiumExtensions);
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| 215 | crFree(merged);
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| 216 | return (GLubyte *) result;
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| 217 | }
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| 218 |
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| 219 | static GLboolean hasExtension(const char *haystack, const char *needle)
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| 220 | {
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| 221 | const int needleLen = crStrlen(needle);
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| 222 | const char *s;
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| 223 |
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| 224 | while (1) {
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| 225 | s = crStrstr(haystack, needle);
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| 226 | if (!s)
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| 227 | return GL_FALSE;
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| 228 | if (s && (s[needleLen] == ' ' || s[needleLen] == 0))
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| 229 | return GL_TRUE;
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| 230 | haystack += needleLen;
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| 231 | }
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| 232 | }
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| 233 |
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| 234 | /*
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| 235 | * Examine the context's extension string and set the boolean extension
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| 236 | * flags accordingly. This is to be called during context initialization.
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| 237 | */
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| 238 | void crStateExtensionsInit( CRLimitsState *limits, CRExtensionState *extensions )
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| 239 | {
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| 240 | /* init all booleans to false */
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| 241 | crMemZero(extensions, sizeof(CRExtensionState));
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| 242 |
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| 243 | if (hasExtension((const char*)limits->extensions, "GL_ARB_depth_texture"))
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| 244 | extensions->ARB_depth_texture = GL_TRUE;
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| 245 |
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| 246 | if (hasExtension((const char*)limits->extensions, "GL_ARB_fragment_program"))
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| 247 | extensions->ARB_fragment_program = GL_TRUE;
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| 248 |
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| 249 | if (hasExtension((const char*)limits->extensions, "GL_ARB_imaging"))
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| 250 | extensions->ARB_imaging = GL_TRUE;
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| 251 |
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| 252 | if (hasExtension((const char*)limits->extensions, "GL_ARB_multisample"))
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| 253 | extensions->ARB_multisample = GL_TRUE;
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| 254 |
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| 255 | if (hasExtension((const char*)limits->extensions, "GL_ARB_multitexture"))
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| 256 | extensions->ARB_multitexture = GL_TRUE;
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| 257 |
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| 258 | if (hasExtension((const char*)limits->extensions, "GL_ARB_occlusion_query"))
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| 259 | extensions->ARB_occlusion_query = GL_TRUE;
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| 260 |
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| 261 | if (hasExtension((const char*)limits->extensions, "GL_ARB_point_parameters"))
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| 262 | extensions->ARB_point_parameters = GL_TRUE;
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| 263 |
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| 264 | if (hasExtension((const char*)limits->extensions, "GL_ARB_point_sprite"))
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| 265 | extensions->ARB_point_sprite = GL_TRUE;
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| 266 |
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| 267 | if (hasExtension((const char*)limits->extensions, "GL_ARB_shadow"))
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| 268 | extensions->ARB_shadow = GL_TRUE;
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| 269 |
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| 270 | if (hasExtension((const char*)limits->extensions, "GL_ARB_shadow_ambient"))
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| 271 | extensions->ARB_shadow_ambient = GL_TRUE;
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| 272 |
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| 273 | if (hasExtension((const char*)limits->extensions, "GL_ARB_texture_border_clamp") ||
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| 274 | hasExtension((const char*)limits->extensions, "GL_SGIS_texture_border_clamp"))
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| 275 | extensions->ARB_texture_border_clamp = GL_TRUE;
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| 276 |
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| 277 | if (hasExtension((const char*)limits->extensions, "GL_ARB_texture_compression"))
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| 278 | extensions->ARB_texture_compression = GL_TRUE;
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| 279 |
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| 280 | if (hasExtension((const char*)limits->extensions, "GL_ARB_texture_cube_map") ||
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| 281 | hasExtension((const char*)limits->extensions, "GL_EXT_texture_cube_map"))
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| 282 | extensions->ARB_texture_cube_map = GL_TRUE;
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| 283 |
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| 284 | if (hasExtension((const char*)limits->extensions, "GL_ARB_texture_env_add"))
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| 285 | extensions->ARB_texture_env_add = GL_TRUE;
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| 286 |
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| 287 | if (hasExtension((const char*)limits->extensions, "GL_ARB_texture_env_combine") ||
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| 288 | hasExtension((const char*)limits->extensions, "GL_EXT_texture_env_combine"))
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| 289 | extensions->ARB_texture_env_combine = GL_TRUE;
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| 290 |
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| 291 | if (hasExtension((const char*)limits->extensions, "GL_ARB_texture_env_crossbar"))
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| 292 | extensions->ARB_texture_env_crossbar = GL_TRUE;
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| 293 |
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| 294 | if (hasExtension((const char*)limits->extensions, "GL_ARB_texture_env_dot3") ||
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| 295 | hasExtension((const char*)limits->extensions, "GL_EXT_texture_env_dot3"))
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| 296 | extensions->ARB_texture_env_dot3 = GL_TRUE;
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| 297 |
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| 298 | if (hasExtension((const char*)limits->extensions, "GL_ARB_texture_mirrored_repeat"))
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| 299 | extensions->ARB_texture_mirrored_repeat = GL_TRUE;
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| 300 |
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| 301 | if (hasExtension((const char*)limits->extensions, "GL_ATI_texture_mirror_once"))
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| 302 | extensions->ATI_texture_mirror_once = GL_TRUE;
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| 303 |
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| 304 | if (hasExtension((const char*)limits->extensions, "GL_ARB_texture_non_power_of_two"))
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| 305 | extensions->ARB_texture_non_power_of_two = GL_TRUE;
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| 306 |
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| 307 | if (hasExtension((const char*)limits->extensions, "GL_ARB_transpose_matrix"))
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| 308 | extensions->ARB_transpose_matrix = GL_TRUE;
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| 309 |
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| 310 | if (hasExtension((const char*)limits->extensions, "GL_ARB_vertex_buffer_object"))
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| 311 | extensions->ARB_vertex_buffer_object = GL_TRUE;
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| 312 |
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| 313 | if (hasExtension((const char*)limits->extensions, "GL_ARB_pixel_buffer_object"))
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| 314 | extensions->ARB_pixel_buffer_object = GL_TRUE;
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| 315 |
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| 316 | if (hasExtension((const char*)limits->extensions, "GL_ARB_vertex_program"))
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| 317 | extensions->ARB_vertex_program = GL_TRUE;
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| 318 |
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| 319 | if (hasExtension((const char*)limits->extensions, "GL_ARB_window_pos"))
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| 320 | extensions->ARB_window_pos = GL_TRUE;
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| 321 |
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| 322 | if (hasExtension((const char*)limits->extensions, "GL_EXT_blend_color"))
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| 323 | extensions->EXT_blend_color= GL_TRUE;
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| 324 |
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| 325 | if (hasExtension((const char*)limits->extensions, "GL_EXT_blend_minmax"))
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| 326 | extensions->EXT_blend_minmax = GL_TRUE;
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| 327 |
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| 328 | if (hasExtension((const char*)limits->extensions, "GL_EXT_blend_func_separate"))
|
|---|
| 329 | extensions->EXT_blend_func_separate = GL_TRUE;
|
|---|
| 330 |
|
|---|
| 331 | if (hasExtension((const char*)limits->extensions, "GL_EXT_blend_logic_op"))
|
|---|
| 332 | extensions->EXT_blend_logic_op = GL_TRUE;
|
|---|
| 333 |
|
|---|
| 334 | if (hasExtension((const char*)limits->extensions, "GL_EXT_blend_subtract"))
|
|---|
| 335 | extensions->EXT_blend_subtract = GL_TRUE;
|
|---|
| 336 |
|
|---|
| 337 | if (hasExtension((const char*)limits->extensions, "GL_EXT_clip_volume_hint"))
|
|---|
| 338 | extensions->EXT_clip_volume_hint = GL_TRUE;
|
|---|
| 339 |
|
|---|
| 340 | if (hasExtension((const char*)limits->extensions, "GL_EXT_fog_coord"))
|
|---|
| 341 | extensions->EXT_fog_coord = GL_TRUE;
|
|---|
| 342 |
|
|---|
| 343 | if (hasExtension((const char*)limits->extensions, "GL_EXT_multi_draw_arrays"))
|
|---|
| 344 | extensions->EXT_multi_draw_arrays = GL_TRUE;
|
|---|
| 345 |
|
|---|
| 346 | if (hasExtension((const char*)limits->extensions, "GL_EXT_secondary_color"))
|
|---|
| 347 | extensions->EXT_secondary_color = GL_TRUE;
|
|---|
| 348 |
|
|---|
| 349 | if (hasExtension((const char*)limits->extensions, "GL_EXT_separate_specular_color"))
|
|---|
| 350 | extensions->EXT_separate_specular_color = GL_TRUE;
|
|---|
| 351 |
|
|---|
| 352 | if (hasExtension((const char*)limits->extensions, "GL_EXT_shadow_funcs"))
|
|---|
| 353 | extensions->EXT_shadow_funcs = GL_TRUE;
|
|---|
| 354 |
|
|---|
| 355 | if (hasExtension((const char*)limits->extensions, "GL_EXT_stencil_wrap"))
|
|---|
| 356 | extensions->EXT_stencil_wrap = GL_TRUE;
|
|---|
| 357 |
|
|---|
| 358 | if (hasExtension((const char*)limits->extensions, "GL_EXT_texture_edge_clamp") ||
|
|---|
| 359 | hasExtension((const char*)limits->extensions, "GL_SGIS_texture_edge_clamp"))
|
|---|
| 360 | extensions->EXT_texture_edge_clamp = GL_TRUE;
|
|---|
| 361 |
|
|---|
| 362 | if (hasExtension((const char*)limits->extensions, "GL_EXT_texture_filter_anisotropic"))
|
|---|
| 363 | extensions->EXT_texture_filter_anisotropic = GL_TRUE;
|
|---|
| 364 |
|
|---|
| 365 | if (hasExtension((const char*)limits->extensions, "GL_EXT_texture_lod_bias"))
|
|---|
| 366 | extensions->EXT_texture_lod_bias = GL_TRUE;
|
|---|
| 367 |
|
|---|
| 368 | if (hasExtension((const char*)limits->extensions, "GL_IBM_rasterpos_clip"))
|
|---|
| 369 | extensions->IBM_rasterpos_clip = GL_TRUE;
|
|---|
| 370 |
|
|---|
| 371 | if (hasExtension((const char*)limits->extensions, "GL_NV_fog_distance"))
|
|---|
| 372 | extensions->NV_fog_distance = GL_TRUE;
|
|---|
| 373 |
|
|---|
| 374 | if (hasExtension((const char*)limits->extensions, "GL_NV_fragment_program"))
|
|---|
| 375 | extensions->NV_fragment_program = GL_TRUE;
|
|---|
| 376 |
|
|---|
| 377 | if (hasExtension((const char*)limits->extensions, "GL_NV_register_combiners"))
|
|---|
| 378 | extensions->NV_register_combiners = GL_TRUE;
|
|---|
| 379 |
|
|---|
| 380 | if (hasExtension((const char*)limits->extensions, "GL_NV_register_combiners2"))
|
|---|
| 381 | extensions->NV_register_combiners2 = GL_TRUE;
|
|---|
| 382 |
|
|---|
| 383 | if (hasExtension((const char*)limits->extensions, "GL_NV_texgen_reflection"))
|
|---|
| 384 | extensions->NV_texgen_reflection = GL_TRUE;
|
|---|
| 385 |
|
|---|
| 386 | if (hasExtension((const char*)limits->extensions, "GL_NV_texture_rectangle")
|
|---|
| 387 | || hasExtension((const char*)limits->extensions, "GL_EXT_texture_rectangle"))
|
|---|
| 388 | extensions->NV_texture_rectangle = GL_TRUE;
|
|---|
| 389 |
|
|---|
| 390 | if (hasExtension((const char*)limits->extensions, "GL_NV_vertex_program"))
|
|---|
| 391 | extensions->NV_vertex_program = GL_TRUE;
|
|---|
| 392 |
|
|---|
| 393 | if (hasExtension((const char*)limits->extensions, "GL_NV_vertex_program1_1"))
|
|---|
| 394 | extensions->NV_vertex_program1_1 = GL_TRUE;
|
|---|
| 395 |
|
|---|
| 396 | if (hasExtension((const char*)limits->extensions, "GL_NV_vertex_program2"))
|
|---|
| 397 | extensions->NV_vertex_program2 = GL_TRUE;
|
|---|
| 398 |
|
|---|
| 399 | if (hasExtension((const char*)limits->extensions, "GL_EXT_texture3D"))
|
|---|
| 400 | extensions->EXT_texture3D = GL_TRUE;
|
|---|
| 401 |
|
|---|
| 402 | if (hasExtension((const char*)limits->extensions, "GL_SGIS_generate_mipmap"))
|
|---|
| 403 | extensions->SGIS_generate_mipmap = GL_TRUE;
|
|---|
| 404 |
|
|---|
| 405 | if (hasExtension((const char*)limits->extensions, "GLX_EXT_texture_from_pixmap"))
|
|---|
| 406 | extensions->EXT_texture_from_pixmap = GL_TRUE;
|
|---|
| 407 |
|
|---|
| 408 | if (extensions->NV_vertex_program2)
|
|---|
| 409 | limits->maxVertexProgramEnvParams = 256;
|
|---|
| 410 | else
|
|---|
| 411 | limits->maxVertexProgramEnvParams = 96;
|
|---|
| 412 |
|
|---|
| 413 | if (extensions->NV_vertex_program || extensions->ARB_vertex_program)
|
|---|
| 414 | extensions->any_vertex_program = GL_TRUE;
|
|---|
| 415 | if (extensions->NV_fragment_program || extensions->ARB_fragment_program)
|
|---|
| 416 | extensions->any_fragment_program = GL_TRUE;
|
|---|
| 417 | if (extensions->any_vertex_program || extensions->any_fragment_program)
|
|---|
| 418 | extensions->any_program = GL_TRUE;
|
|---|
| 419 |
|
|---|
| 420 | #if 0
|
|---|
| 421 | /* Now, determine what level of OpenGL we support */
|
|---|
| 422 | if (extensions->ARB_multisample &&
|
|---|
| 423 | extensions->ARB_multitexture &&
|
|---|
| 424 | extensions->ARB_texture_border_clamp &&
|
|---|
| 425 | extensions->ARB_texture_compression &&
|
|---|
| 426 | extensions->ARB_texture_cube_map &&
|
|---|
| 427 | extensions->ARB_texture_env_add &&
|
|---|
| 428 | extensions->ARB_texture_env_combine &&
|
|---|
| 429 | extensions->ARB_texture_env_dot3) {
|
|---|
| 430 | if (extensions->ARB_depth_texture &&
|
|---|
| 431 | extensions->ARB_point_parameters &&
|
|---|
| 432 | extensions->ARB_shadow &&
|
|---|
| 433 | extensions->ARB_texture_env_crossbar &&
|
|---|
| 434 | extensions->ARB_texture_mirrored_repeat &&
|
|---|
| 435 | extensions->ARB_window_pos &&
|
|---|
| 436 | extensions->EXT_blend_color &&
|
|---|
| 437 | extensions->EXT_blend_func_separate &&
|
|---|
| 438 | extensions->EXT_blend_logic_op &&
|
|---|
| 439 | extensions->EXT_blend_minmax &&
|
|---|
| 440 | extensions->EXT_blend_subtract &&
|
|---|
| 441 | extensions->EXT_fog_coord &&
|
|---|
| 442 | extensions->EXT_multi_draw_arrays &&
|
|---|
| 443 | extensions->EXT_secondary_color &&
|
|---|
| 444 | extensions->EXT_shadow_funcs &&
|
|---|
| 445 | extensions->EXT_stencil_wrap &&
|
|---|
| 446 | extensions->SGIS_generate_mipmap) {
|
|---|
| 447 | if (extensions->ARB_occlusion_query &&
|
|---|
| 448 | extensions->ARB_vertex_buffer_object &&
|
|---|
| 449 | extensions->ARB_texture_non_power_of_two &&
|
|---|
| 450 | extensions->EXT_shadow_funcs) {
|
|---|
| 451 | extensions->version = (const GLubyte *) "1.5 Chromium " CR_VERSION_STRING;
|
|---|
| 452 | }
|
|---|
| 453 | else {
|
|---|
| 454 | extensions->version = (const GLubyte *) "1.4 Chromium " CR_VERSION_STRING;
|
|---|
| 455 | }
|
|---|
| 456 | }
|
|---|
| 457 | else {
|
|---|
| 458 | extensions->version = (const GLubyte *) "1.3 Chromium " CR_VERSION_STRING;
|
|---|
| 459 | }
|
|---|
| 460 | }
|
|---|
| 461 | else {
|
|---|
| 462 | extensions->version = (const GLubyte *) "1.2 Chromium " CR_VERSION_STRING;
|
|---|
| 463 | }
|
|---|
| 464 | #endif
|
|---|
| 465 | }
|
|---|
| 466 |
|
|---|
| 467 |
|
|---|
| 468 | /*
|
|---|
| 469 | * Set the GL_EXTENSIONS string for the given context. We'll make
|
|---|
| 470 | * a copy of the given string.
|
|---|
| 471 | */
|
|---|
| 472 | void
|
|---|
| 473 | crStateSetExtensionString( CRContext *ctx, const GLubyte *extensions )
|
|---|
| 474 | {
|
|---|
| 475 | if (ctx->limits.extensions)
|
|---|
| 476 | crFree((void *) ctx->limits.extensions);
|
|---|
| 477 |
|
|---|
| 478 | ctx->limits.extensions = (const GLubyte *)crStrdup((const char*)extensions);
|
|---|
| 479 |
|
|---|
| 480 | crStateExtensionsInit(&(ctx->limits), &(ctx->extensions));
|
|---|
| 481 | }
|
|---|
| 482 |
|
|---|
