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      1 /*
      2  * Copyright 2011 Google Inc.
      3  *
      4  * Use of this source code is governed by a BSD-style license that can be
      5  * found in the LICENSE file.
      6  */
      7 
      8 
      9 
     10 #ifndef GrGLDefines_DEFINED
     11 #define GrGLDefines_DEFINED
     12 
     13 /* Profiles */
     14 #define GR_GL_CONTEXT_PROFILE_MASK              0x9126
     15 #define GR_GL_CONTEXT_CORE_PROFILE_BIT          0x00000001
     16 #define GR_GL_CONTEXT_COMPATIBILITY_PROFILE_BIT 0x00000002
     17 
     18 // The following constants consist of the intersection of GL constants
     19 // exported by GLES 1.0, GLES 2.0, and desktop GL required by the system.
     20 
     21 #define GR_GL_DEPTH_BUFFER_BIT               0x00000100
     22 #define GR_GL_STENCIL_BUFFER_BIT             0x00000400
     23 #define GR_GL_COLOR_BUFFER_BIT               0x00004000
     24 
     25 /* Boolean */
     26 #define GR_GL_FALSE                          0
     27 #define GR_GL_TRUE                           1
     28 
     29 /* BeginMode */
     30 #define GR_GL_POINTS                         0x0000
     31 #define GR_GL_LINES                          0x0001
     32 #define GR_GL_LINE_LOOP                      0x0002
     33 #define GR_GL_LINE_STRIP                     0x0003
     34 #define GR_GL_TRIANGLES                      0x0004
     35 #define GR_GL_TRIANGLE_STRIP                 0x0005
     36 #define GR_GL_TRIANGLE_FAN                   0x0006
     37 
     38 /* AlphaFunction (not supported in ES20) */
     39 /*      GL_NEVER */
     40 /*      GL_LESS */
     41 /*      GL_EQUAL */
     42 /*      GL_LEQUAL */
     43 /*      GL_GREATER */
     44 /*      GL_NOTEQUAL */
     45 /*      GL_GEQUAL */
     46 /*      GL_ALWAYS */
     47 
     48 /* BlendingFactorDest */
     49 #define GR_GL_ZERO                           0
     50 #define GR_GL_ONE                            1
     51 #define GR_GL_SRC_COLOR                      0x0300
     52 #define GR_GL_ONE_MINUS_SRC_COLOR            0x0301
     53 #define GR_GL_SRC_ALPHA                      0x0302
     54 #define GR_GL_ONE_MINUS_SRC_ALPHA            0x0303
     55 #define GR_GL_DST_ALPHA                      0x0304
     56 #define GR_GL_ONE_MINUS_DST_ALPHA            0x0305
     57 
     58 /* BlendingFactorSrc */
     59 /*      GL_ZERO */
     60 /*      GL_ONE */
     61 #define GR_GL_DST_COLOR                      0x0306
     62 #define GR_GL_ONE_MINUS_DST_COLOR            0x0307
     63 #define GR_GL_SRC_ALPHA_SATURATE             0x0308
     64 /*      GL_SRC_ALPHA */
     65 /*      GL_ONE_MINUS_SRC_ALPHA */
     66 /*      GL_DST_ALPHA */
     67 /*      GL_ONE_MINUS_DST_ALPHA */
     68 
     69 /* ExtendedBlendFactors */
     70 #define GR_GL_SRC1_COLOR                     0x88F9
     71 #define GR_GL_ONE_MINUS_SRC1_COLOR           0x88FA
     72 /*      GL_SRC1_ALPHA */
     73 #define GR_GL_ONE_MINUS_SRC1_ALPHA           0x88FB
     74 
     75 /* Separate Blend Functions */
     76 #define GR_GL_BLEND_DST_RGB                  0x80C8
     77 #define GR_GL_BLEND_SRC_RGB                  0x80C9
     78 #define GR_GL_BLEND_DST_ALPHA                0x80CA
     79 #define GR_GL_BLEND_SRC_ALPHA                0x80CB
     80 #define GR_GL_CONSTANT_COLOR                 0x8001
     81 #define GR_GL_ONE_MINUS_CONSTANT_COLOR       0x8002
     82 #define GR_GL_CONSTANT_ALPHA                 0x8003
     83 #define GR_GL_ONE_MINUS_CONSTANT_ALPHA       0x8004
     84 #define GR_GL_BLEND_COLOR                    0x8005
     85 
     86 /* Buffer Objects */
     87 #define GR_GL_ARRAY_BUFFER                   0x8892
     88 #define GR_GL_ELEMENT_ARRAY_BUFFER           0x8893
     89 #define GR_GL_ARRAY_BUFFER_BINDING           0x8894
     90 #define GR_GL_ELEMENT_ARRAY_BUFFER_BINDING   0x8895
     91 
     92 #define GR_GL_STREAM_DRAW                    0x88E0
     93 #define GR_GL_STATIC_DRAW                    0x88E4
     94 #define GR_GL_DYNAMIC_DRAW                   0x88E8
     95 
     96 #define GR_GL_BUFFER_SIZE                    0x8764
     97 #define GR_GL_BUFFER_USAGE                   0x8765
     98 
     99 #define GR_GL_CURRENT_VERTEX_ATTRIB          0x8626
    100 
    101 /* CullFaceMode */
    102 #define GR_GL_FRONT                          0x0404
    103 #define GR_GL_BACK                           0x0405
    104 #define GR_GL_FRONT_AND_BACK                 0x0408
    105 
    106 /* DepthFunction */
    107 /*      GL_NEVER */
    108 /*      GL_LESS */
    109 /*      GL_EQUAL */
    110 /*      GL_LEQUAL */
    111 /*      GL_GREATER */
    112 /*      GL_NOTEQUAL */
    113 /*      GL_GEQUAL */
    114 /*      GL_ALWAYS */
    115 
    116 /* EnableCap */
    117 #define GR_GL_TEXTURE_2D                     0x0DE1
    118 #define GR_GL_CULL_FACE                      0x0B44
    119 #define GR_GL_BLEND                          0x0BE2
    120 #define GR_GL_DITHER                         0x0BD0
    121 #define GR_GL_STENCIL_TEST                   0x0B90
    122 #define GR_GL_DEPTH_TEST                     0x0B71
    123 #define GR_GL_SCISSOR_TEST                   0x0C11
    124 #define GR_GL_POLYGON_OFFSET_FILL            0x8037
    125 #define GR_GL_SAMPLE_ALPHA_TO_COVERAGE       0x809E
    126 #define GR_GL_SAMPLE_COVERAGE                0x80A0
    127 #define GR_GL_POLYGON_OFFSET_FILL            0x8037
    128 #define GR_GL_POLYGON_SMOOTH                 0x0B41
    129 #define GR_GL_POLYGON_STIPPLE                0x0B42
    130 #define GR_GL_COLOR_LOGIC_OP                 0x0BF2
    131 #define GR_GL_COLOR_TABLE                    0x80D0
    132 #define GR_GL_INDEX_LOGIC_OP                 0x0BF1
    133 #define GR_GL_VERTEX_PROGRAM_POINT_SIZE      0x8642
    134 #define GR_GL_LINE_STIPPLE                   0x0B24
    135 
    136 /* ErrorCode */
    137 #define GR_GL_NO_ERROR                       0
    138 #define GR_GL_INVALID_ENUM                   0x0500
    139 #define GR_GL_INVALID_VALUE                  0x0501
    140 #define GR_GL_INVALID_OPERATION              0x0502
    141 #define GR_GL_OUT_OF_MEMORY                  0x0505
    142 #define GR_GL_CONTEXT_LOST                   0x300E  // TODO(gman): What value?
    143 
    144 /* FrontFaceDirection */
    145 #define GR_GL_CW                             0x0900
    146 #define GR_GL_CCW                            0x0901
    147 
    148 /* GetPName */
    149 #define GR_GL_LINE_WIDTH                     0x0B21
    150 #define GR_GL_ALIASED_POINT_SIZE_RANGE       0x846D
    151 #define GR_GL_ALIASED_LINE_WIDTH_RANGE       0x846E
    152 #define GR_GL_CULL_FACE_MODE                 0x0B45
    153 #define GR_GL_FRONT_FACE                     0x0B46
    154 #define GR_GL_DEPTH_RANGE                    0x0B70
    155 #define GR_GL_DEPTH_WRITEMASK                0x0B72
    156 #define GR_GL_DEPTH_CLEAR_VALUE              0x0B73
    157 #define GR_GL_DEPTH_FUNC                     0x0B74
    158 #define GR_GL_STENCIL_CLEAR_VALUE            0x0B91
    159 #define GR_GL_STENCIL_FUNC                   0x0B92
    160 #define GR_GL_STENCIL_FAIL                   0x0B94
    161 #define GR_GL_STENCIL_PASS_DEPTH_FAIL        0x0B95
    162 #define GR_GL_STENCIL_PASS_DEPTH_PASS        0x0B96
    163 #define GR_GL_STENCIL_REF                    0x0B97
    164 #define GR_GL_STENCIL_VALUE_MASK             0x0B93
    165 #define GR_GL_STENCIL_WRITEMASK              0x0B98
    166 #define GR_GL_STENCIL_BACK_FUNC              0x8800
    167 #define GR_GL_STENCIL_BACK_FAIL              0x8801
    168 #define GR_GL_STENCIL_BACK_PASS_DEPTH_FAIL   0x8802
    169 #define GR_GL_STENCIL_BACK_PASS_DEPTH_PASS   0x8803
    170 #define GR_GL_STENCIL_BACK_REF               0x8CA3
    171 #define GR_GL_STENCIL_BACK_VALUE_MASK        0x8CA4
    172 #define GR_GL_STENCIL_BACK_WRITEMASK         0x8CA5
    173 #define GR_GL_VIEWPORT                       0x0BA2
    174 #define GR_GL_SCISSOR_BOX                    0x0C10
    175 /*      GL_SCISSOR_TEST */
    176 #define GR_GL_COLOR_CLEAR_VALUE              0x0C22
    177 #define GR_GL_COLOR_WRITEMASK                0x0C23
    178 #define GR_GL_UNPACK_ALIGNMENT               0x0CF5
    179 #define GR_GL_UNPACK_FLIP_Y                  0x9240
    180 #define GR_GL_PACK_ALIGNMENT                 0x0D05
    181 #define GR_GL_PACK_REVERSE_ROW_ORDER         0x93A4
    182 #define GR_GL_MAX_TEXTURE_SIZE               0x0D33
    183 #define GR_GL_MAX_VIEWPORT_DIMS              0x0D3A
    184 #define GR_GL_SUBPIXEL_BITS                  0x0D50
    185 #define GR_GL_RED_BITS                       0x0D52
    186 #define GR_GL_GREEN_BITS                     0x0D53
    187 #define GR_GL_BLUE_BITS                      0x0D54
    188 #define GR_GL_ALPHA_BITS                     0x0D55
    189 #define GR_GL_DEPTH_BITS                     0x0D56
    190 #define GR_GL_STENCIL_BITS                   0x0D57
    191 #define GR_GL_POLYGON_OFFSET_UNITS           0x2A00
    192 /*      GL_POLYGON_OFFSET_FILL */
    193 #define GR_GL_POLYGON_OFFSET_FACTOR          0x8038
    194 #define GR_GL_TEXTURE_BINDING_2D             0x8069
    195 #define GR_GL_SAMPLE_BUFFERS                 0x80A8
    196 #define GR_GL_SAMPLES                        0x80A9
    197 #define GR_GL_SAMPLE_COVERAGE_VALUE          0x80AA
    198 #define GR_GL_SAMPLE_COVERAGE_INVERT         0x80AB
    199 #define GR_GL_RENDERBUFFER_COVERAGE_SAMPLES  0x8CAB
    200 #define GR_GL_RENDERBUFFER_COLOR_SAMPLES     0x8E10
    201 #define GR_GL_MAX_MULTISAMPLE_COVERAGE_MODES 0x8E11
    202 #define GR_GL_MULTISAMPLE_COVERAGE_MODES     0x8E12
    203 
    204 /* GetTextureParameter */
    205 /*      GL_TEXTURE_MAG_FILTER */
    206 /*      GL_TEXTURE_MIN_FILTER */
    207 /*      GL_TEXTURE_WRAP_S */
    208 /*      GL_TEXTURE_WRAP_T */
    209 
    210 #define GR_GL_NUM_COMPRESSED_TEXTURE_FORMATS 0x86A2
    211 #define GR_GL_COMPRESSED_TEXTURE_FORMATS     0x86A3
    212 
    213 /* Compressed Texture Formats */
    214 #define GR_GL_COMPRESSED_RGB_S3TC_DXT1_EXT         0x83F0
    215 #define GR_GL_COMPRESSED_RGBA_S3TC_DXT1_EXT        0x83F1
    216 #define GR_GL_COMPRESSED_RGBA_S3TC_DXT3_EXT        0x83F2
    217 #define GR_GL_COMPRESSED_RGBA_S3TC_DXT5_EXT        0x83F3
    218 
    219 #define GR_GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG      0x8C00
    220 #define GR_GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG      0x8C01
    221 #define GR_GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG     0x8C02
    222 #define GR_GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG     0x8C03
    223 
    224 #define GR_GL_COMPRESSED_RGBA_PVRTC_2BPPV2_IMG     0x9137
    225 #define GR_GL_COMPRESSED_RGBA_PVRTC_4BPPV2_IMG     0x9138
    226 
    227 #define GR_GL_COMPRESSED_RGB8_ETC1                 0x8D64
    228 
    229 #define GR_GL_COMPRESSED_R11                       0x9270
    230 #define GR_GL_COMPRESSED_SIGNED_R11                0x9271
    231 #define GR_GL_COMPRESSED_RG11                      0x9272
    232 #define GR_GL_COMPRESSED_SIGNED_RG11               0x9273
    233 
    234 #define GR_GL_COMPRESSED_RGB8_ETC2                 0x9274
    235 #define GR_GL_COMPRESSED_SRGB8                     0x9275
    236 #define GR_GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1  0x9276
    237 #define GR_GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1 0x9277
    238 #define GR_GL_COMPRESSED_RGBA8_ETC2                0x9278
    239 #define GR_GL_COMPRESSED_SRGB8_ALPHA8_ETC2         0x9279
    240 
    241 #define GR_GL_COMPRESSED_LUMINANCE_LATC1           0x8C70
    242 #define GR_GL_COMPRESSED_SIGNED_LUMINANCE_LATC1    0x8C71
    243 #define GR_GL_COMPRESSED_LUMINANCE_ALPHA_LATC2     0x8C72
    244 #define GR_GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2 0x8C73
    245 
    246 #define GR_GL_COMPRESSED_RED_RGTC1                 0x8DBB
    247 #define GR_GL_COMPRESSED_SIGNED_RED_RGTC1          0x8DBC
    248 #define GR_GL_COMPRESSED_RED_GREEN_RGTC2           0x8DBD
    249 #define GR_GL_COMPRESSED_SIGNED_RED_GREEN_RGTC2    0x8DBE
    250 
    251 #define GR_GL_COMPRESSED_3DC_X                     0x87F9
    252 #define GR_GL_COMPRESSED_3DC_XY                    0x87FA
    253 
    254 #define GR_GL_COMPRESSED_RGBA_BPTC_UNORM           0x8E8C
    255 #define GR_GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM     0x8E8D
    256 #define GR_GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT     0x8E8E
    257 #define GR_GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT   0x8E8F
    258 
    259 #define GR_GL_COMPRESSED_RGBA_ASTC_4x4             0x93B0
    260 #define GR_GL_COMPRESSED_RGBA_ASTC_5x4             0x93B1
    261 #define GR_GL_COMPRESSED_RGBA_ASTC_5x5             0x93B2
    262 #define GR_GL_COMPRESSED_RGBA_ASTC_6x5             0x93B3
    263 #define GR_GL_COMPRESSED_RGBA_ASTC_6x6             0x93B4
    264 #define GR_GL_COMPRESSED_RGBA_ASTC_8x5             0x93B5
    265 #define GR_GL_COMPRESSED_RGBA_ASTC_8x6             0x93B6
    266 #define GR_GL_COMPRESSED_RGBA_ASTC_8x8             0x93B7
    267 #define GR_GL_COMPRESSED_RGBA_ASTC_10x5            0x93B8
    268 #define GR_GL_COMPRESSED_RGBA_ASTC_10x6            0x93B9
    269 #define GR_GL_COMPRESSED_RGBA_ASTC_10x8            0x93BA
    270 #define GR_GL_COMPRESSED_RGBA_ASTC_10x10           0x93BB
    271 #define GR_GL_COMPRESSED_RGBA_ASTC_12x10           0x93BC
    272 #define GR_GL_COMPRESSED_RGBA_ASTC_12x12           0x93BD
    273 
    274 #define GR_GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4     0x93D0
    275 #define GR_GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4     0x93D1
    276 #define GR_GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5     0x93D2
    277 #define GR_GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5     0x93D3
    278 #define GR_GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6     0x93D4
    279 #define GR_GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5     0x93D5
    280 #define GR_GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6     0x93D6
    281 #define GR_GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8     0x93D7
    282 #define GR_GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5    0x93D8
    283 #define GR_GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6    0x93D9
    284 #define GR_GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8    0x93DA
    285 #define GR_GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10   0x93DB
    286 #define GR_GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10   0x93DC
    287 #define GR_GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12   0x93DD
    288 
    289 /* HintMode */
    290 #define GR_GL_DONT_CARE                      0x1100
    291 #define GR_GL_FASTEST                        0x1101
    292 #define GR_GL_NICEST                         0x1102
    293 
    294 /* HintTarget */
    295 #define GR_GL_GENERATE_MIPMAP_HINT            0x8192
    296 
    297 /* DataType */
    298 #define GR_GL_BYTE                           0x1400
    299 #define GR_GL_UNSIGNED_BYTE                  0x1401
    300 #define GR_GL_SHORT                          0x1402
    301 #define GR_GL_UNSIGNED_SHORT                 0x1403
    302 #define GR_GL_INT                            0x1404
    303 #define GR_GL_UNSIGNED_INT                   0x1405
    304 #define GR_GL_FLOAT                          0x1406
    305 #define GR_GL_FIXED                          0x140C
    306 
    307 /* Lighting */
    308 #define GR_GL_LIGHTING                       0x0B50
    309 #define GR_GL_LIGHT0                         0x4000
    310 #define GR_GL_LIGHT1                         0x4001
    311 #define GR_GL_LIGHT2                         0x4002
    312 #define GR_GL_LIGHT3                         0x4003
    313 #define GR_GL_LIGHT4                         0x4004
    314 #define GR_GL_LIGHT5                         0x4005
    315 #define GR_GL_LIGHT6                         0x4006
    316 #define GR_GL_LIGHT7                         0x4007
    317 #define GR_GL_SPOT_EXPONENT                  0x1205
    318 #define GR_GL_SPOT_CUTOFF                    0x1206
    319 #define GR_GL_CONSTANT_ATTENUATION           0x1207
    320 #define GR_GL_LINEAR_ATTENUATION             0x1208
    321 #define GR_GL_QUADRATIC_ATTENUATION          0x1209
    322 #define GR_GL_AMBIENT                        0x1200
    323 #define GR_GL_DIFFUSE                        0x1201
    324 #define GR_GL_SPECULAR                       0x1202
    325 #define GR_GL_SHININESS                      0x1601
    326 #define GR_GL_EMISSION                       0x1600
    327 #define GR_GL_POSITION                       0x1203
    328 #define GR_GL_SPOT_DIRECTION                 0x1204
    329 #define GR_GL_AMBIENT_AND_DIFFUSE            0x1602
    330 #define GR_GL_COLOR_INDEXES                  0x1603
    331 #define GR_GL_LIGHT_MODEL_TWO_SIDE           0x0B52
    332 #define GR_GL_LIGHT_MODEL_LOCAL_VIEWER       0x0B51
    333 #define GR_GL_LIGHT_MODEL_AMBIENT            0x0B53
    334 #define GR_GL_FRONT_AND_BACK                 0x0408
    335 #define GR_GL_SHADE_MODEL                    0x0B54
    336 #define GR_GL_FLAT                           0x1D00
    337 #define GR_GL_SMOOTH                         0x1D01
    338 #define GR_GL_COLOR_MATERIAL                 0x0B57
    339 #define GR_GL_COLOR_MATERIAL_FACE            0x0B55
    340 #define GR_GL_COLOR_MATERIAL_PARAMETER       0x0B56
    341 #define GR_GL_NORMALIZE                      0x0BA1
    342 
    343 /* Matrix Mode */
    344 #define GR_GL_MATRIX_MODE                    0x0BA0
    345 #define GR_GL_MODELVIEW                      0x1700
    346 #define GR_GL_PROJECTION                     0x1701
    347 #define GR_GL_TEXTURE                        0x1702
    348 
    349 /* multisample */
    350 #define GR_GL_MULTISAMPLE                    0x809D
    351 
    352 /* Points */
    353 #define GR_GL_POINT_SMOOTH                   0x0B10
    354 #define GR_GL_POINT_SIZE                     0x0B11
    355 #define GR_GL_POINT_SIZE_GRANULARITY         0x0B13
    356 #define GR_GL_POINT_SIZE_RANGE               0x0B12
    357 
    358 /* Lines */
    359 #define GR_GL_LINE_SMOOTH                    0x0B20
    360 #define GR_GL_LINE_STIPPLE                   0x0B24
    361 #define GR_GL_LINE_STIPPLE_PATTERN           0x0B25
    362 #define GR_GL_LINE_STIPPLE_REPEAT            0x0B26
    363 #define GR_GL_LINE_WIDTH                     0x0B21
    364 #define GR_GL_LINE_WIDTH_GRANULARITY         0x0B23
    365 #define GR_GL_LINE_WIDTH_RANGE               0x0B22
    366 
    367 /* PixelFormat */
    368 #define GR_GL_DEPTH_COMPONENT                0x1902
    369 #define GR_GL_RED                            0x1903
    370 #define GR_GL_GREEN                          0x1904
    371 #define GR_GL_BLUE                           0x1905
    372 #define GR_GL_ALPHA                          0x1906
    373 #define GR_GL_RGB                            0x1907
    374 #define GR_GL_RGBA                           0x1908
    375 #define GR_GL_BGRA                           0x80E1
    376 #define GR_GL_LUMINANCE                      0x1909
    377 #define GR_GL_LUMINANCE_ALPHA                0x190A
    378 #define GR_GL_PALETTE8_RGBA8                 0x8B96
    379 #define GR_GL_ALPHA8                         0x803C
    380 
    381 #define GR_GL_R8                             0x8229
    382 
    383 /* PixelType */
    384 /*      GL_UNSIGNED_BYTE */
    385 #define GR_GL_UNSIGNED_SHORT_4_4_4_4         0x8033
    386 #define GR_GL_UNSIGNED_SHORT_5_5_5_1         0x8034
    387 #define GR_GL_UNSIGNED_SHORT_5_6_5           0x8363
    388 
    389 /* Shaders */
    390 #define GR_GL_FRAGMENT_SHADER                  0x8B30
    391 #define GR_GL_VERTEX_SHADER                    0x8B31
    392 #define GR_GL_GEOMETRY_SHADER                  0x8DD9
    393 #define GR_GL_MAX_VERTEX_ATTRIBS               0x8869
    394 #define GR_GL_MAX_VERTEX_UNIFORM_VECTORS       0x8DFB
    395 #define GR_GL_MAX_VARYING_VECTORS              0x8DFC
    396 #define GR_GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS 0x8B4D
    397 #define GR_GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS   0x8B4C
    398 #define GR_GL_MAX_TEXTURE_IMAGE_UNITS          0x8872
    399 #define GR_GL_MAX_FRAGMENT_UNIFORM_VECTORS     0x8DFD
    400 #define GR_GL_SHADER_TYPE                      0x8B4F
    401 #define GR_GL_DELETE_STATUS                    0x8B80
    402 #define GR_GL_LINK_STATUS                      0x8B82
    403 #define GR_GL_VALIDATE_STATUS                  0x8B83
    404 #define GR_GL_ATTACHED_SHADERS                 0x8B85
    405 #define GR_GL_ACTIVE_UNIFORMS                  0x8B86
    406 #define GR_GL_ACTIVE_UNIFORM_MAX_LENGTH        0x8B87
    407 #define GR_GL_ACTIVE_ATTRIBUTES                0x8B89
    408 #define GR_GL_ACTIVE_ATTRIBUTE_MAX_LENGTH      0x8B8A
    409 #define GR_GL_SHADING_LANGUAGE_VERSION         0x8B8C
    410 #define GR_GL_CURRENT_PROGRAM                  0x8B8D
    411 #define GR_GL_MAX_FRAGMENT_UNIFORM_COMPONENTS  0x8B49
    412 #define GR_GL_MAX_VERTEX_UNIFORM_COMPONENTS    0x8B4A
    413 
    414 /* StencilFunction */
    415 #define GR_GL_NEVER                          0x0200
    416 #define GR_GL_LESS                           0x0201
    417 #define GR_GL_EQUAL                          0x0202
    418 #define GR_GL_LEQUAL                         0x0203
    419 #define GR_GL_GREATER                        0x0204
    420 #define GR_GL_NOTEQUAL                       0x0205
    421 #define GR_GL_GEQUAL                         0x0206
    422 #define GR_GL_ALWAYS                         0x0207
    423 
    424 /* StencilOp */
    425 /*      GL_ZERO */
    426 #define GR_GL_KEEP                           0x1E00
    427 #define GR_GL_REPLACE                        0x1E01
    428 #define GR_GL_INCR                           0x1E02
    429 #define GR_GL_DECR                           0x1E03
    430 #define GR_GL_INVERT                         0x150A
    431 #define GR_GL_INCR_WRAP                      0x8507
    432 #define GR_GL_DECR_WRAP                      0x8508
    433 
    434 /* StringName */
    435 #define GR_GL_VENDOR                         0x1F00
    436 #define GR_GL_RENDERER                       0x1F01
    437 #define GR_GL_VERSION                        0x1F02
    438 #define GR_GL_EXTENSIONS                     0x1F03
    439 
    440 /* StringCounts */
    441 #define GR_GL_NUM_EXTENSIONS                 0x821D
    442 
    443 /* Pixel Mode / Transfer */
    444 #define GR_GL_UNPACK_ROW_LENGTH              0x0CF2
    445 #define GR_GL_PACK_ROW_LENGTH                0x0D02
    446 
    447 
    448 /* TextureMagFilter */
    449 #define GR_GL_NEAREST                        0x2600
    450 #define GR_GL_LINEAR                         0x2601
    451 
    452 /* TextureMinFilter */
    453 /*      GL_NEAREST */
    454 /*      GL_LINEAR */
    455 #define GR_GL_NEAREST_MIPMAP_NEAREST         0x2700
    456 #define GR_GL_LINEAR_MIPMAP_NEAREST          0x2701
    457 #define GR_GL_NEAREST_MIPMAP_LINEAR          0x2702
    458 #define GR_GL_LINEAR_MIPMAP_LINEAR           0x2703
    459 
    460 /* TextureUsage */
    461 #define GR_GL_FRAMEBUFFER_ATTACHMENT         0x93A3
    462 
    463 /* TextureParameterName */
    464 #define GR_GL_TEXTURE_MAG_FILTER             0x2800
    465 #define GR_GL_TEXTURE_MIN_FILTER             0x2801
    466 #define GR_GL_TEXTURE_WRAP_S                 0x2802
    467 #define GR_GL_TEXTURE_WRAP_T                 0x2803
    468 #define GR_GL_TEXTURE_USAGE                  0x93A2
    469 
    470 /* TextureTarget */
    471 /*      GL_TEXTURE_2D */
    472 #define GR_GL_TEXTURE                        0x1702
    473 #define GR_GL_TEXTURE_CUBE_MAP               0x8513
    474 #define GR_GL_TEXTURE_BINDING_CUBE_MAP       0x8514
    475 #define GR_GL_TEXTURE_CUBE_MAP_POSITIVE_X    0x8515
    476 #define GR_GL_TEXTURE_CUBE_MAP_NEGATIVE_X    0x8516
    477 #define GR_GL_TEXTURE_CUBE_MAP_POSITIVE_Y    0x8517
    478 #define GR_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y    0x8518
    479 #define GR_GL_TEXTURE_CUBE_MAP_POSITIVE_Z    0x8519
    480 #define GR_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z    0x851A
    481 #define GR_GL_MAX_CUBE_MAP_TEXTURE_SIZE      0x851C
    482 
    483 /* TextureUnit */
    484 #define GR_GL_TEXTURE0                       0x84C0
    485 #define GR_GL_TEXTURE1                       0x84C1
    486 #define GR_GL_TEXTURE2                       0x84C2
    487 #define GR_GL_TEXTURE3                       0x84C3
    488 #define GR_GL_TEXTURE4                       0x84C4
    489 #define GR_GL_TEXTURE5                       0x84C5
    490 #define GR_GL_TEXTURE6                       0x84C6
    491 #define GR_GL_TEXTURE7                       0x84C7
    492 #define GR_GL_TEXTURE8                       0x84C8
    493 #define GR_GL_TEXTURE9                       0x84C9
    494 #define GR_GL_TEXTURE10                      0x84CA
    495 #define GR_GL_TEXTURE11                      0x84CB
    496 #define GR_GL_TEXTURE12                      0x84CC
    497 #define GR_GL_TEXTURE13                      0x84CD
    498 #define GR_GL_TEXTURE14                      0x84CE
    499 #define GR_GL_TEXTURE15                      0x84CF
    500 #define GR_GL_TEXTURE16                      0x84D0
    501 #define GR_GL_TEXTURE17                      0x84D1
    502 #define GR_GL_TEXTURE18                      0x84D2
    503 #define GR_GL_TEXTURE19                      0x84D3
    504 #define GR_GL_TEXTURE20                      0x84D4
    505 #define GR_GL_TEXTURE21                      0x84D5
    506 #define GR_GL_TEXTURE22                      0x84D6
    507 #define GR_GL_TEXTURE23                      0x84D7
    508 #define GR_GL_TEXTURE24                      0x84D8
    509 #define GR_GL_TEXTURE25                      0x84D9
    510 #define GR_GL_TEXTURE26                      0x84DA
    511 #define GR_GL_TEXTURE27                      0x84DB
    512 #define GR_GL_TEXTURE28                      0x84DC
    513 #define GR_GL_TEXTURE29                      0x84DD
    514 #define GR_GL_TEXTURE30                      0x84DE
    515 #define GR_GL_TEXTURE31                      0x84DF
    516 #define GR_GL_ACTIVE_TEXTURE                 0x84E0
    517 #define GR_GL_MAX_TEXTURE_UNITS              0x84E2
    518 #define GR_GL_MAX_TEXTURE_COORDS             0x8871
    519 
    520 /* TextureWrapMode */
    521 #define GR_GL_REPEAT                         0x2901
    522 #define GR_GL_CLAMP_TO_EDGE                  0x812F
    523 #define GR_GL_MIRRORED_REPEAT                0x8370
    524 
    525 /* Texture Swizzle */
    526 #define GR_GL_TEXTURE_SWIZZLE_R              0x8E42
    527 #define GR_GL_TEXTURE_SWIZZLE_G              0x8E43
    528 #define GR_GL_TEXTURE_SWIZZLE_B              0x8E44
    529 #define GR_GL_TEXTURE_SWIZZLE_A              0x8E45
    530 #define GR_GL_TEXTURE_SWIZZLE_RGBA           0x8E46
    531 
    532 /* Texture mapping */
    533 #define GR_GL_TEXTURE_ENV                    0x2300
    534 #define GR_GL_TEXTURE_ENV_MODE               0x2200
    535 #define GR_GL_TEXTURE_1D                     0x0DE0
    536 /* GL_TEXTURE_2D */
    537 /* GL_TEXTURE_WRAP_S */
    538 /* GL_TEXTURE_WRAP_T */
    539 /* GL_TEXTURE_MAG_FILTER */
    540 /* GL_TEXTURE_MIN_FILTER */
    541 #define GR_GL_TEXTURE_ENV_COLOR             0x2201
    542 #define GR_GL_TEXTURE_GEN_S                 0x0C60
    543 #define GR_GL_TEXTURE_GEN_T                 0x0C61
    544 #define GR_GL_TEXTURE_GEN_R                 0x0C62
    545 #define GR_GL_TEXTURE_GEN_Q                 0x0C63
    546 #define GR_GL_TEXTURE_GEN_MODE              0x2500
    547 #define GR_GL_TEXTURE_BORDER_COLOR          0x1004
    548 #define GR_GL_TEXTURE_WIDTH                 0x1000
    549 #define GR_GL_TEXTURE_HEIGHT                0x1001
    550 #define GR_GL_TEXTURE_BORDER                0x1005
    551 #define GR_GL_TEXTURE_COMPONENTS            0x1003
    552 #define GR_GL_TEXTURE_RED_SIZE              0x805C
    553 #define GR_GL_TEXTURE_GREEN_SIZE            0x805D
    554 #define GR_GL_TEXTURE_BLUE_SIZE             0x805E
    555 #define GR_GL_TEXTURE_ALPHA_SIZE            0x805F
    556 #define GR_GL_TEXTURE_LUMINANCE_SIZE        0x8060
    557 #define GR_GL_TEXTURE_INTENSITY_SIZE        0x8061
    558 #define GR_GL_TEXTURE_INTERNAL_FORMAT       0x1003
    559 /* GL_NEAREST_MIPMAP_NEAREST */
    560 /* GL_NEAREST_MIPMAP_LINEAR */
    561 /* GL_LINEAR_MIPMAP_NEAREST */
    562 /* GL_LINEAR_MIPMAP_LINEAR */
    563 #define GR_GL_OBJECT_LINEAR                 0x2401
    564 #define GR_GL_OBJECT_PLANE                  0x2501
    565 #define GR_GL_EYE_LINEAR                    0x2400
    566 #define GR_GL_EYE_PLANE                     0x2502
    567 #define GR_GL_SPHERE_MAP                    0x2402
    568 #define GR_GL_DECAL                         0x2101
    569 #define GR_GL_MODULATE                      0x2100
    570 /* GL_NEAREST */
    571 /* GL_REPEAT */
    572 #define GR_GL_CLAMP                         0x2900
    573 #define GR_GL_S                             0x2000
    574 #define GR_GL_T                             0x2001
    575 #define GR_GL_R                             0x2002
    576 #define GR_GL_Q                             0x2003
    577 #define GR_GL_TEXTURE_GEN_R                 0x0C62
    578 #define GR_GL_TEXTURE_GEN_Q                 0x0C63
    579 
    580 /* texture_env_combine */
    581 #define GR_GL_COMBINE                       0x8570
    582 #define GR_GL_COMBINE_RGB                   0x8571
    583 #define GR_GL_COMBINE_ALPHA                 0x8572
    584 #define GR_GL_SOURCE0_RGB                   0x8580
    585 #define GR_GL_SOURCE1_RGB                   0x8581
    586 #define GR_GL_SOURCE2_RGB                   0x8582
    587 #define GR_GL_SOURCE0_ALPHA                 0x8588
    588 #define GR_GL_SOURCE1_ALPHA                 0x8589
    589 #define GR_GL_SOURCE2_ALPHA                 0x858A
    590 #define GR_GL_OPERAND0_RGB                  0x8590
    591 #define GR_GL_OPERAND1_RGB                  0x8591
    592 #define GR_GL_OPERAND2_RGB                  0x8592
    593 #define GR_GL_OPERAND0_ALPHA                0x8598
    594 #define GR_GL_OPERAND1_ALPHA                0x8599
    595 #define GR_GL_OPERAND2_ALPHA                0x859A
    596 #define GR_GL_RGB_SCALE                     0x8573
    597 #define GR_GL_ADD_SIGNED                    0x8574
    598 #define GR_GL_INTERPOLATE                   0x8575
    599 #define GR_GL_SUBTRACT                      0x84E7
    600 #define GR_GL_CONSTANT                      0x8576
    601 #define GR_GL_PRIMARY_COLOR                 0x8577
    602 #define GR_GL_PREVIOUS                      0x8578
    603 #define GR_GL_SRC0_RGB                      0x8580
    604 #define GR_GL_SRC1_RGB                      0x8581
    605 #define GR_GL_SRC2_RGB                      0x8582
    606 #define GR_GL_SRC0_ALPHA                    0x8588
    607 #define GR_GL_SRC1_ALPHA                    0x8589
    608 #define GR_GL_SRC2_ALPHA                    0x858A
    609 
    610 /* Uniform Types */
    611 #define GR_GL_FLOAT_VEC2                     0x8B50
    612 #define GR_GL_FLOAT_VEC3                     0x8B51
    613 #define GR_GL_FLOAT_VEC4                     0x8B52
    614 #define GR_GL_INT_VEC2                       0x8B53
    615 #define GR_GL_INT_VEC3                       0x8B54
    616 #define GR_GL_INT_VEC4                       0x8B55
    617 #define GR_GL_BOOL                           0x8B56
    618 #define GR_GL_BOOL_VEC2                      0x8B57
    619 #define GR_GL_BOOL_VEC3                      0x8B58
    620 #define GR_GL_BOOL_VEC4                      0x8B59
    621 #define GR_GL_FLOAT_MAT2                     0x8B5A
    622 #define GR_GL_FLOAT_MAT3                     0x8B5B
    623 #define GR_GL_FLOAT_MAT4                     0x8B5C
    624 #define GR_GL_SAMPLER_2D                     0x8B5E
    625 #define GR_GL_SAMPLER_CUBE                   0x8B60
    626 
    627 /* Vertex Arrays */
    628 #define GR_GL_VERTEX_ATTRIB_ARRAY_ENABLED        0x8622
    629 #define GR_GL_VERTEX_ATTRIB_ARRAY_SIZE           0x8623
    630 #define GR_GL_VERTEX_ATTRIB_ARRAY_STRIDE         0x8624
    631 #define GR_GL_VERTEX_ATTRIB_ARRAY_TYPE           0x8625
    632 #define GR_GL_VERTEX_ATTRIB_ARRAY_NORMALIZED     0x886A
    633 #define GR_GL_VERTEX_ATTRIB_ARRAY_POINTER        0x8645
    634 #define GR_GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING 0x889F
    635 #define GR_GL_VERTEX_ARRAY                       0x8074
    636 #define GR_GL_NORMAL_ARRAY                       0x8075
    637 #define GR_GL_COLOR_ARRAY                        0x8076
    638 #define GR_GL_SECONDARY_COLOR_ARRAY              0x845E
    639 #define GR_GL_INDEX_ARRAY                        0x8077
    640 #define GR_GL_TEXTURE_COORD_ARRAY                0x8078
    641 #define GR_GL_EDGE_FLAG_ARRAY                    0x8079
    642 #define GR_GL_VERTEX_ARRAY_SIZE                  0x807A
    643 #define GR_GL_VERTEX_ARRAY_TYPE                  0x807B
    644 #define GR_GL_VERTEX_ARRAY_STRIDE                0x807C
    645 #define GR_GL_NORMAL_ARRAY_TYPE                  0x807E
    646 #define GR_GL_NORMAL_ARRAY_STRIDE                0x807F
    647 #define GR_GL_COLOR_ARRAY_SIZE                   0x8081
    648 #define GR_GL_COLOR_ARRAY_TYPE                   0x8082
    649 #define GR_GL_COLOR_ARRAY_STRIDE                 0x8083
    650 #define GR_GL_INDEX_ARRAY_TYPE                   0x8085
    651 #define GR_GL_INDEX_ARRAY_STRIDE                 0x8086
    652 #define GR_GL_TEXTURE_COORD_ARRAY_SIZE           0x8088
    653 #define GR_GL_TEXTURE_COORD_ARRAY_TYPE           0x8089
    654 #define GR_GL_TEXTURE_COORD_ARRAY_STRIDE         0x808A
    655 #define GR_GL_EDGE_FLAG_ARRAY_STRIDE             0x808C
    656 #define GR_GL_VERTEX_ARRAY_POINTER               0x808E
    657 #define GR_GL_NORMAL_ARRAY_POINTER               0x808F
    658 #define GR_GL_COLOR_ARRAY_POINTER                0x8090
    659 #define GR_GL_INDEX_ARRAY_POINTER                0x8091
    660 #define GR_GL_TEXTURE_COORD_ARRAY_POINTER        0x8092
    661 #define GR_GL_EDGE_FLAG_ARRAY_POINTER            0x8093
    662 #define GR_GL_V2F                                0x2A20
    663 #define GR_GL_V3F                                0x2A21
    664 #define GR_GL_C4UB_V2F                           0x2A22
    665 #define GR_GL_C4UB_V3F                           0x2A23
    666 #define GR_GL_C3F_V3F                            0x2A24
    667 #define GR_GL_N3F_V3F                            0x2A25
    668 #define GR_GL_C4F_N3F_V3F                        0x2A26
    669 #define GR_GL_T2F_V3F                            0x2A27
    670 #define GR_GL_T4F_V4F                            0x2A28
    671 #define GR_GL_T2F_C4UB_V3F                       0x2A29
    672 #define GR_GL_T2F_C3F_V3F                        0x2A2A
    673 #define GR_GL_T2F_N3F_V3F                        0x2A2B
    674 #define GR_GL_T2F_C4F_N3F_V3F                    0x2A2C
    675 #define GR_GL_T4F_C4F_N3F_V4F                    0x2A2D
    676 
    677 /* Vertex Buffer Object */
    678 #define GR_GL_WRITE_ONLY                         0x88B9
    679 #define GR_GL_BUFFER_MAPPED                      0x88BC
    680 
    681 #define GR_GL_MAP_READ_BIT                       0x0001
    682 #define GR_GL_MAP_WRITE_BIT                      0x0002
    683 #define GR_GL_MAP_INVALIDATE_RANGE_BIT           0x0004
    684 #define GR_GL_MAP_INVALIDATE_BUFFER_BIT          0x0008
    685 #define GR_GL_MAP_FLUSH_EXPLICIT_BIT             0x0010
    686 #define GR_GL_MAP_UNSYNCHRONIZED_BIT             0x0020
    687 
    688 /* Read Format */
    689 #define GR_GL_IMPLEMENTATION_COLOR_READ_TYPE   0x8B9A
    690 #define GR_GL_IMPLEMENTATION_COLOR_READ_FORMAT 0x8B9B
    691 
    692 /* Shader Source */
    693 #define GR_GL_COMPILE_STATUS                 0x8B81
    694 #define GR_GL_INFO_LOG_LENGTH                0x8B84
    695 #define GR_GL_SHADER_SOURCE_LENGTH           0x8B88
    696 #define GR_GL_SHADER_COMPILER                0x8DFA
    697 
    698 /* Shader Binary */
    699 #define GR_GL_SHADER_BINARY_FORMATS          0x8DF8
    700 #define GR_GL_NUM_SHADER_BINARY_FORMATS      0x8DF9
    701 
    702 /* Shader Precision-Specified Types */
    703 #define GR_GL_LOW_FLOAT                      0x8DF0
    704 #define GR_GL_MEDIUM_FLOAT                   0x8DF1
    705 #define GR_GL_HIGH_FLOAT                     0x8DF2
    706 #define GR_GL_LOW_INT                        0x8DF3
    707 #define GR_GL_MEDIUM_INT                     0x8DF4
    708 #define GR_GL_HIGH_INT                       0x8DF5
    709 
    710 /* Queries */
    711 #define GR_GL_QUERY_COUNTER_BITS             0x8864
    712 #define GR_GL_CURRENT_QUERY                  0x8865
    713 #define GR_GL_QUERY_RESULT                   0x8866
    714 #define GR_GL_QUERY_RESULT_AVAILABLE         0x8867
    715 #define GR_GL_SAMPLES_PASSED                 0x8914
    716 #define GR_GL_ANY_SAMPLES_PASSED             0x8C2F
    717 #define GR_GL_TIME_ELAPSED                   0x88BF
    718 #define GR_GL_TIMESTAMP                      0x8E28
    719 #define GR_GL_PRIMITIVES_GENERATED           0x8C87
    720 #define GR_GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN 0x8C88
    721 
    722 
    723 /* Framebuffer Object. */
    724 #define GR_GL_FRAMEBUFFER                    0x8D40
    725 #define GR_GL_READ_FRAMEBUFFER               0x8CA8
    726 #define GR_GL_DRAW_FRAMEBUFFER               0x8CA9
    727 
    728 #define GR_GL_RENDERBUFFER                   0x8D41
    729 
    730 #define GR_GL_RGBA4                          0x8056
    731 #define GR_GL_RGB5_A1                        0x8057
    732 #define GR_GL_RGB565                         0x8D62
    733 #define GR_GL_RGBA8                          0x8058
    734 #define GR_GL_RGB8                           0x8051
    735 #define GR_GL_BGRA8                          0x93A1
    736 #define GR_GL_SRGB                           0x8C40
    737 #define GR_GL_SRGB8                          0x8C41
    738 #define GR_GL_SRGB_ALPHA                     0x8C42
    739 #define GR_GL_SRGB8_ALPHA8                   0x8C43
    740 #define GR_GL_DEPTH_COMPONENT16              0x81A5
    741 #define GR_GL_STENCIL_INDEX                  0x1901
    742 #define GR_GL_STENCIL_INDEX4                 0x8D47
    743 #define GR_GL_STENCIL_INDEX8                 0x8D48
    744 #define GR_GL_STENCIL_INDEX16                0x8D49
    745 #define GR_GL_DEPTH_STENCIL                  0x84F9
    746 #define GR_GL_DEPTH24_STENCIL8               0x88F0
    747 
    748 #define GR_GL_MAX_SAMPLES                    0x8D57
    749 // GL_IMG_multisampled_render_to_texture uses a different value for GL_MAX_SAMPLES
    750 #define GR_GL_MAX_SAMPLES_IMG                0x9135
    751 
    752 #define GR_GL_RENDERBUFFER_WIDTH             0x8D42
    753 #define GR_GL_RENDERBUFFER_HEIGHT            0x8D43
    754 #define GR_GL_RENDERBUFFER_INTERNAL_FORMAT   0x8D44
    755 #define GR_GL_RENDERBUFFER_RED_SIZE          0x8D50
    756 #define GR_GL_RENDERBUFFER_GREEN_SIZE        0x8D51
    757 #define GR_GL_RENDERBUFFER_BLUE_SIZE         0x8D52
    758 #define GR_GL_RENDERBUFFER_ALPHA_SIZE        0x8D53
    759 #define GR_GL_RENDERBUFFER_DEPTH_SIZE        0x8D54
    760 #define GR_GL_RENDERBUFFER_STENCIL_SIZE      0x8D55
    761 
    762 #define GR_GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE           0x8CD0
    763 #define GR_GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME           0x8CD1
    764 #define GR_GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL         0x8CD2
    765 #define GR_GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE 0x8CD3
    766 #define GR_GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LAYER         0x8CD4
    767 #define GR_GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE              0x8212
    768 #define GR_GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE            0x8213
    769 #define GR_GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE             0x8214
    770 #define GR_GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE            0x8215
    771 #define GR_GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE            0x8216
    772 #define GR_GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE          0x8217
    773 
    774 #define GR_GL_COLOR_ATTACHMENT0              0x8CE0
    775 #define GR_GL_DEPTH_ATTACHMENT               0x8D00
    776 #define GR_GL_STENCIL_ATTACHMENT             0x8D20
    777 
    778 // GL_EXT_discard_framebuffer
    779 #define GR_GL_COLOR                          0x1800
    780 #define GR_GL_DEPTH                          0x1801
    781 #define GR_GL_STENCIL                        0x1802
    782 
    783 #define GR_GL_NONE                           0
    784 
    785 #define GR_GL_FRAMEBUFFER_COMPLETE                      0x8CD5
    786 #define GR_GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT         0x8CD6
    787 #define GR_GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT 0x8CD7
    788 #define GR_GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS         0x8CD9
    789 #define GR_GL_FRAMEBUFFER_UNSUPPORTED                   0x8CDD
    790 
    791 #define GR_GL_FRAMEBUFFER_BINDING            0x8CA6
    792 #define GR_GL_RENDERBUFFER_BINDING           0x8CA7
    793 #define GR_GL_MAX_RENDERBUFFER_SIZE          0x84E8
    794 
    795 #define GR_GL_INVALID_FRAMEBUFFER_OPERATION  0x0506
    796 
    797 /* Path Rendering */
    798 // commands
    799 #define GR_GL_CLOSE_PATH                                    0x00
    800 #define GR_GL_MOVE_TO                                       0x02
    801 #define GR_GL_RELATIVE_MOVE_TO                              0x03
    802 #define GR_GL_LINE_TO                                       0x04
    803 #define GR_GL_RELATIVE_LINE_TO                              0x05
    804 #define GR_GL_HORIZONTAL_LINE_TO                            0x06
    805 #define GR_GL_RELATIVE_HORIZONTAL_LINE_TO                   0x07
    806 #define GR_GL_VERTICAL_LINE_TO                              0x08
    807 #define GR_GL_RELATIVE_VERTICAL_LINE_TO                     0x09
    808 #define GR_GL_QUADRATIC_CURVE_TO                            0x0A
    809 #define GR_GL_RELATIVE_QUADRATIC_CURVE_TO                   0x0B
    810 #define GR_GL_CUBIC_CURVE_TO                                0x0C
    811 #define GR_GL_RELATIVE_CUBIC_CURVE_TO                       0x0D
    812 #define GR_GL_SMOOTH_QUADRATIC_CURVE_TO                     0x0E
    813 #define GR_GL_RELATIVE_SMOOTH_QUADRATIC_CURVE_TO            0x0F
    814 #define GR_GL_SMOOTH_CUBIC_CURVE_TO                         0x10
    815 #define GR_GL_RELATIVE_SMOOTH_CUBIC_CURVE_TO                0x11
    816 #define GR_GL_SMALL_CCW_ARC_TO                              0x12
    817 #define GR_GL_RELATIVE_SMALL_CCW_ARC_TO                     0x13
    818 #define GR_GL_SMALL_CW_ARC_TO                               0x14
    819 #define GR_GL_RELATIVE_SMALL_CW_ARC_TO                      0x15
    820 #define GR_GL_LARGE_CCW_ARC_TO                              0x16
    821 #define GR_GL_RELATIVE_LARGE_CCW_ARC_TO                     0x17
    822 #define GR_GL_LARGE_CW_ARC_TO                               0x18
    823 #define GR_GL_RELATIVE_LARGE_CW_ARC_TO                      0x19
    824 #define GR_GL_CIRCULAR_CCW_ARC_TO                           0xF8
    825 #define GR_GL_CIRCULAR_CW_ARC_TO                            0xFA
    826 #define GR_GL_CIRCULAR_TANGENT_ARC_TO                       0xFC
    827 #define GR_GL_ARC_TO                                        0xFE
    828 #define GR_GL_RELATIVE_ARC_TO                               0xFF
    829 
    830 // path string formats
    831 #define GR_GL_PATH_FORMAT_SVG                               0x9070
    832 #define GR_GL_PATH_FORMAT_PS                                0x9071
    833 
    834 // font targets
    835 #define GR_GL_STANDARD_FONT_NAME                            0x9072
    836 #define GR_GL_SYSTEM_FONT_NAME                              0x9073
    837 #define GR_GL_FILE_NAME                                     0x9074
    838 
    839 // handle missing glyphs
    840 #define GR_GL_SKIP_MISSING_GLYPH                            0x90A9
    841 #define GR_GL_USE_MISSING_GLYPH                             0x90AA
    842 
    843 // path parameters
    844 #define GR_GL_PATH_STROKE_WIDTH                             0x9075
    845 #define GR_GL_PATH_INITIAL_END_CAP                          0x9077
    846 #define GR_GL_PATH_TERMINAL_END_CAP                         0x9078
    847 #define GR_GL_PATH_JOIN_STYLE                               0x9079
    848 #define GR_GL_PATH_MITER_LIMIT                              0x907A
    849 #define GR_GL_PATH_INITIAL_DASH_CAP                         0x907C
    850 #define GR_GL_PATH_TERMINAL_DASH_CAP                        0x907D
    851 #define GR_GL_PATH_DASH_OFFSET                              0x907E
    852 #define GR_GL_PATH_CLIENT_LENGTH                            0x907F
    853 #define GR_GL_PATH_DASH_OFFSET_RESET                        0x90B4
    854 #define GR_GL_PATH_FILL_MODE                                0x9080
    855 #define GR_GL_PATH_FILL_MASK                                0x9081
    856 #define GR_GL_PATH_FILL_COVER_MODE                          0x9082
    857 #define GR_GL_PATH_STROKE_COVER_MODE                        0x9083
    858 #define GR_GL_PATH_STROKE_MASK                              0x9084
    859 #define GR_GL_PATH_END_CAPS                                 0x9076
    860 #define GR_GL_PATH_DASH_CAPS                                0x907B
    861 #define GR_GL_PATH_COMMAND_COUNT                            0x909D
    862 #define GR_GL_PATH_COORD_COUNT                              0x909E
    863 #define GR_GL_PATH_DASH_ARRAY_COUNT                         0x909F
    864 #define GR_GL_PATH_FILL_BOUNDING_BOX                        0x90A1
    865 #define GR_GL_PATH_STROKE_BOUNDING_BOX                      0x90A2
    866 
    867 // fill modes
    868 /*      GL_INVERT */
    869 #define GR_GL_COUNT_UP                                      0x9088
    870 #define GR_GL_COUNT_DOWN                                    0x9089
    871 /*      GL_PATH_FILL_MODE_NV */
    872 
    873 // path color gen
    874 /*      GL_PRIMARY_COLOR */
    875 #define GR_GL_SECONDARY_COLOR                               0x852D
    876 
    877 // gen mode
    878 /*      GL_NONE */
    879 /*      GL_EYE_LINEAR */
    880 /*      GL_OBJECT_LINEAR */
    881 #define GR_GL_PATH_OBJECT_BOUNDING_BOX                      0x908A
    882 
    883 // cover mode
    884 #define GR_GL_CONVEX_HULL                                   0x908B
    885 #define GR_GL_BOUNDING_BOX                                  0x908D
    886 #define GR_GL_BOUNDING_BOX_OF_BOUNDING_BOXES                0x909C
    887 /*      GL_PATH_FILL_COVER_MODE_NV */
    888 
    889 // transform type
    890 /*      GL_NONE */
    891 #define GR_GL_TRANSLATE_X                                   0x908E
    892 #define GR_GL_TRANSLATE_Y                                   0x908F
    893 #define GR_GL_TRANSLATE_2D                                  0x9090
    894 #define GR_GL_TRANSLATE_3D                                  0x9091
    895 #define GR_GL_AFFINE_2D                                     0x9092
    896 #define GR_GL_AFFINE_3D                                     0x9094
    897 #define GR_GL_TRANSPOSE_AFFINE_2D                           0x9096
    898 #define GR_GL_TRANSPOSE_AFFINE_3D                           0x9098
    899 
    900 // path string types
    901 #define GR_GL_UTF8                                          0x909A
    902 #define GR_GL_UTF16                                         0x909B
    903 
    904 #define GR_GL_PATH_COMPUTED_LENGTH                          0x90A0
    905 
    906 // cap/dash values
    907 /*      GL_FLAT */
    908 #define GR_GL_SQUARE                                        0x90A3
    909 #define GR_GL_ROUND                                         0x90A4
    910 #define GR_GL_TRIANGULAR                                    0x90A5
    911 
    912 // join values
    913 /*      GL_NONE */
    914 /*      GL_ROUND_NV  */
    915 #define GR_GL_BEVEL                                         0x90A6
    916 #define GR_GL_MITER_REVERT                                  0x90A7
    917 #define GR_GL_MITER_TRUNCATE                                0x90A8
    918 
    919 // path dash reset values
    920 #define GR_GL_MOVE_TO_RESETS                                0x90B5
    921 #define GR_GL_MOVE_TO_CONTINUES                             0x90B6
    922 
    923 // font styles
    924 /*      GL_NONE */
    925 #define GR_GL_BOLD_BIT                                      0x01
    926 #define GR_GL_ITALIC_BIT                                    0x02
    927 
    928 // pnames for glGet
    929 #define GR_GL_PATH_ERROR_POSITION                           0x90AB
    930 #define GR_GL_PATH_FOG_GEN_MODE                             0x90AC
    931 #define GR_GL_PATH_STENCIL_FUNC                             0x90B7
    932 #define GR_GL_PATH_STENCIL_REF                              0x90B8
    933 #define GR_GL_PATH_STENCIL_VALUE_MASK                       0x90B9
    934 #define GR_GL_PATH_STENCIL_DEPTH_OFFSET_FACTOR              0x90BD
    935 #define GR_GL_PATH_STENCIL_DEPTH_OFFSET_UNITS               0x90BE
    936 #define GR_GL_PATH_COVER_DEPTH_FUNC                         0x90BF
    937 
    938 // per-glyph metrics bits in metric mask query
    939 #define GR_GL_GLYPH_WIDTH_BIT                               0x01
    940 #define GR_GL_GLYPH_HEIGHT_BIT                              0x02
    941 #define GR_GL_GLYPH_HORIZONTAL_BEARING_X_BIT                0x04
    942 #define GR_GL_GLYPH_HORIZONTAL_BEARING_Y_BIT                0x08
    943 #define GR_GL_GLYPH_HORIZONTAL_BEARING_ADVANCE_BIT          0x10
    944 #define GR_GL_GLYPH_VERTICAL_BEARING_X_BIT                  0x20
    945 #define GR_GL_GLYPH_VERTICAL_BEARING_Y_BIT                  0x40
    946 #define GR_GL_GLYPH_VERTICAL_BEARING_ADVANCE_BIT            0x80
    947 #define GR_GL_GLYPH_HAS_KERNING                             0x100
    948 
    949 // per-font face metrics in metric mask query
    950 #define GR_GL_FONT_X_MIN_BOUNDS                             0x00010000
    951 #define GR_GL_FONT_Y_MIN_BOUNDS                             0x00020000
    952 #define GR_GL_FONT_X_MAX_BOUNDS                             0x00040000
    953 #define GR_GL_FONT_Y_MAX_BOUNDS                             0x00080000
    954 #define GR_GL_FONT_UNITS_PER_EM                             0x00100000
    955 #define GR_GL_FONT_ASCENDER                                 0x00200000
    956 #define GR_GL_FONT_DESCENDER                                0x00400000
    957 #define GR_GL_FONT_HEIGHT                                   0x00800000
    958 #define GR_GL_FONT_MAX_ADVANCE_WIDTH                        0x01000000
    959 #define GR_GL_FONT_MAX_ADVANCE_HEIGHT                       0x02000000
    960 #define GR_GL_FONT_UNDERLINE_POSITION                       0x04000000
    961 #define GR_GL_FONT_UNDERLINE_THICKNESS                      0x08000000
    962 #define GR_GL_FONT_HAS_KERNING                              0x10000000
    963 
    964 // path list modes (glGetPathSpacing)
    965 #define GR_GL_ACCUM_ADJACENT_PAIRS                          0x90AD
    966 #define GR_GL_ADJACENT_PAIRS                                0x90AE
    967 #define GR_GL_FIRST_TO_REST                                 0x90AF
    968 
    969 //path gen modes
    970 #define GR_GL_PATH_GEN_MODE                                 0x90B0
    971 #define GR_GL_PATH_GEN_COEFF                                0x90B1
    972 #define GR_GL_PATH_GEN_COLOR_FORMAT                         0x90B2
    973 #define GR_GL_PATH_GEN_COMPONENTS                           0x90B3
    974 
    975 #endif
    976