/*
Copyright 2011 Google Inc.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
#ifndef GrGLDefines_DEFINED
#define GrGLDefines_DEFINED
// The following constants consist of the intersection of GL constants
// exported by GLES 1.0, GLES 2.0, and desktop GL required by the system.
#define GR_GL_DEPTH_BUFFER_BIT 0x00000100
#define GR_GL_STENCIL_BUFFER_BIT 0x00000400
#define GR_GL_COLOR_BUFFER_BIT 0x00004000
/* Boolean */
#define GR_GL_FALSE 0
#define GR_GL_TRUE 1
/* BeginMode */
#define GR_GL_POINTS 0x0000
#define GR_GL_LINES 0x0001
#define GR_GL_LINE_LOOP 0x0002
#define GR_GL_LINE_STRIP 0x0003
#define GR_GL_TRIANGLES 0x0004
#define GR_GL_TRIANGLE_STRIP 0x0005
#define GR_GL_TRIANGLE_FAN 0x0006
/* AlphaFunction (not supported in ES20) */
/* GL_NEVER */
/* GL_LESS */
/* GL_EQUAL */
/* GL_LEQUAL */
/* GL_GREATER */
/* GL_NOTEQUAL */
/* GL_GEQUAL */
/* GL_ALWAYS */
/* BlendingFactorDest */
#define GR_GL_ZERO 0
#define GR_GL_ONE 1
#define GR_GL_SRC_COLOR 0x0300
#define GR_GL_ONE_MINUS_SRC_COLOR 0x0301
#define GR_GL_SRC_ALPHA 0x0302
#define GR_GL_ONE_MINUS_SRC_ALPHA 0x0303
#define GR_GL_DST_ALPHA 0x0304
#define GR_GL_ONE_MINUS_DST_ALPHA 0x0305
/* BlendingFactorSrc */
/* GL_ZERO */
/* GL_ONE */
#define GR_GL_DST_COLOR 0x0306
#define GR_GL_ONE_MINUS_DST_COLOR 0x0307
#define GR_GL_SRC_ALPHA_SATURATE 0x0308
/* GL_SRC_ALPHA */
/* GL_ONE_MINUS_SRC_ALPHA */
/* GL_DST_ALPHA */
/* GL_ONE_MINUS_DST_ALPHA */
/* ExtendedBlendFactors */
#define GR_GL_SRC1_COLOR 0x88F9
#define GR_GL_ONE_MINUS_SRC1_COLOR 0x88FA
/* GL_SRC1_ALPHA */
#define GR_GL_ONE_MINUS_SRC1_ALPHA 0x88FB
/* BlendEquationSeparate */
#define GR_GL_FUNC_ADD 0x8006
#define GR_GL_BLEND_EQUATION 0x8009
#define GR_GL_BLEND_EQUATION_RGB 0x8009 /* same as BLEND_EQUATION */
#define GR_GL_BLEND_EQUATION_ALPHA 0x883D
/* BlendSubtract */
#define GR_GL_FUNC_SUBTRACT 0x800A
#define GR_GL_FUNC_REVERSE_SUBTRACT 0x800B
/* Separate Blend Functions */
#define GR_GL_BLEND_DST_RGB 0x80C8
#define GR_GL_BLEND_SRC_RGB 0x80C9
#define GR_GL_BLEND_DST_ALPHA 0x80CA
#define GR_GL_BLEND_SRC_ALPHA 0x80CB
#define GR_GL_CONSTANT_COLOR 0x8001
#define GR_GL_ONE_MINUS_CONSTANT_COLOR 0x8002
#define GR_GL_CONSTANT_ALPHA 0x8003
#define GR_GL_ONE_MINUS_CONSTANT_ALPHA 0x8004
#define GR_GL_BLEND_COLOR 0x8005
/* Buffer Objects */
#define GR_GL_ARRAY_BUFFER 0x8892
#define GR_GL_ELEMENT_ARRAY_BUFFER 0x8893
#define GR_GL_ARRAY_BUFFER_BINDING 0x8894
#define GR_GL_ELEMENT_ARRAY_BUFFER_BINDING 0x8895
#define GR_GL_STREAM_DRAW 0x88E0
#define GR_GL_STATIC_DRAW 0x88E4
#define GR_GL_DYNAMIC_DRAW 0x88E8
#define GR_GL_BUFFER_SIZE 0x8764
#define GR_GL_BUFFER_USAGE 0x8765
#define GR_GL_CURRENT_VERTEX_ATTRIB 0x8626
/* CullFaceMode */
#define GR_GL_FRONT 0x0404
#define GR_GL_BACK 0x0405
#define GR_GL_FRONT_AND_BACK 0x0408
/* DepthFunction */
/* GL_NEVER */
/* GL_LESS */
/* GL_EQUAL */
/* GL_LEQUAL */
/* GL_GREATER */
/* GL_NOTEQUAL */
/* GL_GEQUAL */
/* GL_ALWAYS */
/* EnableCap */
#define GR_GL_TEXTURE_2D 0x0DE1
#define GR_GL_CULL_FACE 0x0B44
#define GR_GL_BLEND 0x0BE2
#define GR_GL_DITHER 0x0BD0
#define GR_GL_STENCIL_TEST 0x0B90
#define GR_GL_DEPTH_TEST 0x0B71
#define GR_GL_SCISSOR_TEST 0x0C11
#define GR_GL_POLYGON_OFFSET_FILL 0x8037
#define GR_GL_SAMPLE_ALPHA_TO_COVERAGE 0x809E
#define GR_GL_SAMPLE_COVERAGE 0x80A0
/* ErrorCode */
#define GR_GL_NO_ERROR 0
#define GR_GL_INVALID_ENUM 0x0500
#define GR_GL_INVALID_VALUE 0x0501
#define GR_GL_INVALID_OPERATION 0x0502
#define GR_GL_OUT_OF_MEMORY 0x0505
#define GR_GL_CONTEXT_LOST 0x300E // TODO(gman): What value?
/* FrontFaceDirection */
#define GR_GL_CW 0x0900
#define GR_GL_CCW 0x0901
/* GetPName */
#define GR_GL_LINE_WIDTH 0x0B21
#define GR_GL_ALIASED_POINT_SIZE_RANGE 0x846D
#define GR_GL_ALIASED_LINE_WIDTH_RANGE 0x846E
#define GR_GL_CULL_FACE_MODE 0x0B45
#define GR_GL_FRONT_FACE 0x0B46
#define GR_GL_DEPTH_RANGE 0x0B70
#define GR_GL_DEPTH_WRITEMASK 0x0B72
#define GR_GL_DEPTH_CLEAR_VALUE 0x0B73
#define GR_GL_DEPTH_FUNC 0x0B74
#define GR_GL_STENCIL_CLEAR_VALUE 0x0B91
#define GR_GL_STENCIL_FUNC 0x0B92
#define GR_GL_STENCIL_FAIL 0x0B94
#define GR_GL_STENCIL_PASS_DEPTH_FAIL 0x0B95
#define GR_GL_STENCIL_PASS_DEPTH_PASS 0x0B96
#define GR_GL_STENCIL_REF 0x0B97
#define GR_GL_STENCIL_VALUE_MASK 0x0B93
#define GR_GL_STENCIL_WRITEMASK 0x0B98
#define GR_GL_STENCIL_BACK_FUNC 0x8800
#define GR_GL_STENCIL_BACK_FAIL 0x8801
#define GR_GL_STENCIL_BACK_PASS_DEPTH_FAIL 0x8802
#define GR_GL_STENCIL_BACK_PASS_DEPTH_PASS 0x8803
#define GR_GL_STENCIL_BACK_REF 0x8CA3
#define GR_GL_STENCIL_BACK_VALUE_MASK 0x8CA4
#define GR_GL_STENCIL_BACK_WRITEMASK 0x8CA5
#define GR_GL_VIEWPORT 0x0BA2
#define GR_GL_SCISSOR_BOX 0x0C10
/* GL_SCISSOR_TEST */
#define GR_GL_COLOR_CLEAR_VALUE 0x0C22
#define GR_GL_COLOR_WRITEMASK 0x0C23
#define GR_GL_UNPACK_ALIGNMENT 0x0CF5
#define GR_GL_PACK_ALIGNMENT 0x0D05
#define GR_GL_MAX_TEXTURE_SIZE 0x0D33
#define GR_GL_MAX_VIEWPORT_DIMS 0x0D3A
#define GR_GL_SUBPIXEL_BITS 0x0D50
#define GR_GL_RED_BITS 0x0D52
#define GR_GL_GREEN_BITS 0x0D53
#define GR_GL_BLUE_BITS 0x0D54
#define GR_GL_ALPHA_BITS 0x0D55
#define GR_GL_DEPTH_BITS 0x0D56
#define GR_GL_STENCIL_BITS 0x0D57
#define GR_GL_POLYGON_OFFSET_UNITS 0x2A00
/* GL_POLYGON_OFFSET_FILL */
#define GR_GL_POLYGON_OFFSET_FACTOR 0x8038
#define GR_GL_TEXTURE_BINDING_2D 0x8069
#define GR_GL_SAMPLE_BUFFERS 0x80A8
#define GR_GL_SAMPLES 0x80A9
#define GR_GL_SAMPLE_COVERAGE_VALUE 0x80AA
#define GR_GL_SAMPLE_COVERAGE_INVERT 0x80AB
/* GetTextureParameter */
/* GL_TEXTURE_MAG_FILTER */
/* GL_TEXTURE_MIN_FILTER */
/* GL_TEXTURE_WRAP_S */
/* GL_TEXTURE_WRAP_T */
#define GR_GL_NUM_COMPRESSED_TEXTURE_FORMATS 0x86A2
#define GR_GL_COMPRESSED_TEXTURE_FORMATS 0x86A3
/* HintMode */
#define GR_GL_DONT_CARE 0x1100
#define GR_GL_FASTEST 0x1101
#define GR_GL_NICEST 0x1102
/* HintTarget */
#define GR_GL_GENERATE_MIPMAP_HINT 0x8192
/* DataType */
#define GR_GL_BYTE 0x1400
#define GR_GL_UNSIGNED_BYTE 0x1401
#define GR_GL_SHORT 0x1402
#define GR_GL_UNSIGNED_SHORT 0x1403
#define GR_GL_INT 0x1404
#define GR_GL_UNSIGNED_INT 0x1405
#define GR_GL_FLOAT 0x1406
#define GR_GL_FIXED 0x140C
/* Lighting */
#define GR_GL_LIGHTING 0x0B50
#define GR_GL_LIGHT0 0x4000
#define GR_GL_LIGHT1 0x4001
#define GR_GL_LIGHT2 0x4002
#define GR_GL_LIGHT3 0x4003
#define GR_GL_LIGHT4 0x4004
#define GR_GL_LIGHT5 0x4005
#define GR_GL_LIGHT6 0x4006
#define GR_GL_LIGHT7 0x4007
#define GR_GL_SPOT_EXPONENT 0x1205
#define GR_GL_SPOT_CUTOFF 0x1206
#define GR_GL_CONSTANT_ATTENUATION 0x1207
#define GR_GL_LINEAR_ATTENUATION 0x1208
#define GR_GL_QUADRATIC_ATTENUATION 0x1209
#define GR_GL_AMBIENT 0x1200
#define GR_GL_DIFFUSE 0x1201
#define GR_GL_SPECULAR 0x1202
#define GR_GL_SHININESS 0x1601
#define GR_GL_EMISSION 0x1600
#define GR_GL_POSITION 0x1203
#define GR_GL_SPOT_DIRECTION 0x1204
#define GR_GL_AMBIENT_AND_DIFFUSE 0x1602
#define GR_GL_COLOR_INDEXES 0x1603
#define GR_GL_LIGHT_MODEL_TWO_SIDE 0x0B52
#define GR_GL_LIGHT_MODEL_LOCAL_VIEWER 0x0B51
#define GR_GL_LIGHT_MODEL_AMBIENT 0x0B53
#define GR_GL_FRONT_AND_BACK 0x0408
#define GR_GL_SHADE_MODEL 0x0B54
#define GR_GL_FLAT 0x1D00
#define GR_GL_SMOOTH 0x1D01
#define GR_GL_COLOR_MATERIAL 0x0B57
#define GR_GL_COLOR_MATERIAL_FACE 0x0B55
#define GR_GL_COLOR_MATERIAL_PARAMETER 0x0B56
#define GR_GL_NORMALIZE 0x0BA1
/* Matrix Mode */
#define GR_GL_MATRIX_MODE 0x0BA0
#define GR_GL_MODELVIEW 0x1700
#define GR_GL_PROJECTION 0x1701
#define GR_GL_TEXTURE 0x1702
/* multisample */
#define GR_GL_MULTISAMPLE 0x809D
/* Points */
#define GR_GL_POINT_SMOOTH 0x0B10
#define GR_GL_POINT_SIZE 0x0B11
#define GR_GL_POINT_SIZE_GRANULARITY 0x0B13
#define GR_GL_POINT_SIZE_RANGE 0x0B12
/* Lines */
#define GR_GL_LINE_SMOOTH 0x0B20
#define GR_GL_LINE_STIPPLE 0x0B24
#define GR_GL_LINE_STIPPLE_PATTERN 0x0B25
#define GR_GL_LINE_STIPPLE_REPEAT 0x0B26
#define GR_GL_LINE_WIDTH 0x0B21
#define GR_GL_LINE_WIDTH_GRANULARITY 0x0B23
#define GR_GL_LINE_WIDTH_RANGE 0x0B22
/* PixelFormat */
#define GR_GL_DEPTH_COMPONENT 0x1902
#define GR_GL_ALPHA 0x1906
#define GR_GL_RGB 0x1907
#define GR_GL_RGBA 0x1908
#define GR_GL_BGRA 0x80E1
#define GR_GL_LUMINANCE 0x1909
#define GR_GL_LUMINANCE_ALPHA 0x190A
#define GR_GL_PALETTE8_RGBA8 0x8B96
/* PixelType */
/* GL_UNSIGNED_BYTE */
#define GR_GL_UNSIGNED_SHORT_4_4_4_4 0x8033
#define GR_GL_UNSIGNED_SHORT_5_5_5_1 0x8034
#define GR_GL_UNSIGNED_SHORT_5_6_5 0x8363
/* Shaders */
#define GR_GL_FRAGMENT_SHADER 0x8B30
#define GR_GL_VERTEX_SHADER 0x8B31
#define GR_GL_MAX_VERTEX_ATTRIBS 0x8869
#define GR_GL_MAX_VERTEX_UNIFORM_VECTORS 0x8DFB
#define GR_GL_MAX_VARYING_VECTORS 0x8DFC
#define GR_GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS 0x8B4D
#define GR_GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS 0x8B4C
#define GR_GL_MAX_TEXTURE_IMAGE_UNITS 0x8872
#define GR_GL_MAX_FRAGMENT_UNIFORM_VECTORS 0x8DFD
#define GR_GL_SHADER_TYPE 0x8B4F
#define GR_GL_DELETE_STATUS 0x8B80
#define GR_GL_LINK_STATUS 0x8B82
#define GR_GL_VALIDATE_STATUS 0x8B83
#define GR_GL_ATTACHED_SHADERS 0x8B85
#define GR_GL_ACTIVE_UNIFORMS 0x8B86
#define GR_GL_ACTIVE_UNIFORM_MAX_LENGTH 0x8B87
#define GR_GL_ACTIVE_ATTRIBUTES 0x8B89
#define GR_GL_ACTIVE_ATTRIBUTE_MAX_LENGTH 0x8B8A
#define GR_GL_SHADING_LANGUAGE_VERSION 0x8B8C
#define GR_GL_CURRENT_PROGRAM 0x8B8D
#define GR_GL_MAX_FRAGMENT_UNIFORM_COMPONENTS 0x8B49
#define GR_GL_MAX_VERTEX_UNIFORM_COMPONENTS 0x8B4A
/* StencilFunction */
#define GR_GL_NEVER 0x0200
#define GR_GL_LESS 0x0201
#define GR_GL_EQUAL 0x0202
#define GR_GL_LEQUAL 0x0203
#define GR_GL_GREATER 0x0204
#define GR_GL_NOTEQUAL 0x0205
#define GR_GL_GEQUAL 0x0206
#define GR_GL_ALWAYS 0x0207
/* StencilOp */
/* GL_ZERO */
#define GR_GL_KEEP 0x1E00
#define GR_GL_REPLACE 0x1E01
#define GR_GL_INCR 0x1E02
#define GR_GL_DECR 0x1E03
#define GR_GL_INVERT 0x150A
#define GR_GL_INCR_WRAP 0x8507
#define GR_GL_DECR_WRAP 0x8508
/* StringName */
#define GR_GL_VENDOR 0x1F00
#define GR_GL_RENDERER 0x1F01
#define GR_GL_VERSION 0x1F02
#define GR_GL_EXTENSIONS 0x1F03
/* Pixel Mode / Transfer */
#define GR_GL_UNPACK_ROW_LENGTH 0x0CF2
/* TextureMagFilter */
#define GR_GL_NEAREST 0x2600
#define GR_GL_LINEAR 0x2601
/* TextureMinFilter */
/* GL_NEAREST */
/* GL_LINEAR */
#define GR_GL_NEAREST_MIPMAP_NEAREST 0x2700
#define GR_GL_LINEAR_MIPMAP_NEAREST 0x2701
#define GR_GL_NEAREST_MIPMAP_LINEAR 0x2702
#define GR_GL_LINEAR_MIPMAP_LINEAR 0x2703
/* TextureParameterName */
#define GR_GL_TEXTURE_MAG_FILTER 0x2800
#define GR_GL_TEXTURE_MIN_FILTER 0x2801
#define GR_GL_TEXTURE_WRAP_S 0x2802
#define GR_GL_TEXTURE_WRAP_T 0x2803
/* TextureTarget */
/* GL_TEXTURE_2D */
#define GR_GL_TEXTURE 0x1702
#define GR_GL_TEXTURE_CUBE_MAP 0x8513
#define GR_GL_TEXTURE_BINDING_CUBE_MAP 0x8514
#define GR_GL_TEXTURE_CUBE_MAP_POSITIVE_X 0x8515
#define GR_GL_TEXTURE_CUBE_MAP_NEGATIVE_X 0x8516
#define GR_GL_TEXTURE_CUBE_MAP_POSITIVE_Y 0x8517
#define GR_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y 0x8518
#define GR_GL_TEXTURE_CUBE_MAP_POSITIVE_Z 0x8519
#define GR_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z 0x851A
#define GR_GL_MAX_CUBE_MAP_TEXTURE_SIZE 0x851C
/* TextureUnit */
#define GR_GL_TEXTURE0 0x84C0
#define GR_GL_TEXTURE1 0x84C1
#define GR_GL_TEXTURE2 0x84C2
#define GR_GL_TEXTURE3 0x84C3
#define GR_GL_TEXTURE4 0x84C4
#define GR_GL_TEXTURE5 0x84C5
#define GR_GL_TEXTURE6 0x84C6
#define GR_GL_TEXTURE7 0x84C7
#define GR_GL_TEXTURE8 0x84C8
#define GR_GL_TEXTURE9 0x84C9
#define GR_GL_TEXTURE10 0x84CA
#define GR_GL_TEXTURE11 0x84CB
#define GR_GL_TEXTURE12 0x84CC
#define GR_GL_TEXTURE13 0x84CD
#define GR_GL_TEXTURE14 0x84CE
#define GR_GL_TEXTURE15 0x84CF
#define GR_GL_TEXTURE16 0x84D0
#define GR_GL_TEXTURE17 0x84D1
#define GR_GL_TEXTURE18 0x84D2
#define GR_GL_TEXTURE19 0x84D3
#define GR_GL_TEXTURE20 0x84D4
#define GR_GL_TEXTURE21 0x84D5
#define GR_GL_TEXTURE22 0x84D6
#define GR_GL_TEXTURE23 0x84D7
#define GR_GL_TEXTURE24 0x84D8
#define GR_GL_TEXTURE25 0x84D9
#define GR_GL_TEXTURE26 0x84DA
#define GR_GL_TEXTURE27 0x84DB
#define GR_GL_TEXTURE28 0x84DC
#define GR_GL_TEXTURE29 0x84DD
#define GR_GL_TEXTURE30 0x84DE
#define GR_GL_TEXTURE31 0x84DF
#define GR_GL_ACTIVE_TEXTURE 0x84E0
#define GR_GL_MAX_TEXTURE_UNITS 0x84E2
/* TextureWrapMode */
#define GR_GL_REPEAT 0x2901
#define GR_GL_CLAMP_TO_EDGE 0x812F
#define GR_GL_MIRRORED_REPEAT 0x8370
/* Texture mapping */
#define GR_GL_TEXTURE_ENV 0x2300
#define GR_GL_TEXTURE_ENV_MODE 0x2200
#define GR_GL_TEXTURE_1D 0x0DE0
#define GR_GL_TEXTURE_2D 0x0DE1
/* GL_TEXTURE_WRAP_S */
/* GL_TEXTURE_WRAP_T */
/* GL_TEXTURE_MAG_FILTER */
/* GL_TEXTURE_MIN_FILTER */
#define GR_GL_TEXTURE_ENV_COLOR 0x2201
#define GR_GL_TEXTURE_GEN_S 0x0C60
#define GR_GL_TEXTURE_GEN_T 0x0C61
#define GR_GL_TEXTURE_GEN_MODE 0x2500
#define GR_GL_TEXTURE_BORDER_COLOR 0x1004
#define GR_GL_TEXTURE_WIDTH 0x1000
#define GR_GL_TEXTURE_HEIGHT 0x1001
#define GR_GL_TEXTURE_BORDER 0x1005
#define GR_GL_TEXTURE_COMPONENTS 0x1003
#define GR_GL_TEXTURE_RED_SIZE 0x805C
#define GR_GL_TEXTURE_GREEN_SIZE 0x805D
#define GR_GL_TEXTURE_BLUE_SIZE 0x805E
#define GR_GL_TEXTURE_ALPHA_SIZE 0x805F
#define GR_GL_TEXTURE_LUMINANCE_SIZE 0x8060
#define GR_GL_TEXTURE_INTENSITY_SIZE 0x8061
/* GL_NEAREST_MIPMAP_NEAREST */
/* GL_NEAREST_MIPMAP_LINEAR */
/* GL_LINEAR_MIPMAP_NEAREST */
/* GL_LINEAR_MIPMAP_LINEAR */
#define GR_GL_OBJECT_LINEAR 0x2401
#define GR_GL_OBJECT_PLANE 0x2501
#define GR_GL_EYE_LINEAR 0x2400
#define GR_GL_EYE_PLANE 0x2502
#define GR_GL_SPHERE_MAP 0x2402
#define GR_GL_DECAL 0x2101
#define GR_GL_MODULATE 0x2100
/* GL_NEAREST */
/* GL_REPEAT */
#define GR_GL_CLAMP 0x2900
#define GR_GL_S 0x2000
#define GR_GL_T 0x2001
#define GR_GL_R 0x2002
#define GR_GL_Q 0x2003
#define GR_GL_TEXTURE_GEN_R 0x0C62
#define GR_GL_TEXTURE_GEN_Q 0x0C63
/* texture_env_combine */
#define GR_GL_COMBINE 0x8570
#define GR_GL_COMBINE_RGB 0x8571
#define GR_GL_COMBINE_ALPHA 0x8572
#define GR_GL_SOURCE0_RGB 0x8580
#define GR_GL_SOURCE1_RGB 0x8581
#define GR_GL_SOURCE2_RGB 0x8582
#define GR_GL_SOURCE0_ALPHA 0x8588
#define GR_GL_SOURCE1_ALPHA 0x8589
#define GR_GL_SOURCE2_ALPHA 0x858A
#define GR_GL_OPERAND0_RGB 0x8590
#define GR_GL_OPERAND1_RGB 0x8591
#define GR_GL_OPERAND2_RGB 0x8592
#define GR_GL_OPERAND0_ALPHA 0x8598
#define GR_GL_OPERAND1_ALPHA 0x8599
#define GR_GL_OPERAND2_ALPHA 0x859A
#define GR_GL_RGB_SCALE 0x8573
#define GR_GL_ADD_SIGNED 0x8574
#define GR_GL_INTERPOLATE 0x8575
#define GR_GL_SUBTRACT 0x84E7
#define GR_GL_CONSTANT 0x8576
#define GR_GL_PRIMARY_COLOR 0x8577
#define GR_GL_PREVIOUS 0x8578
#define GR_GL_SRC0_RGB 0x8580
#define GR_GL_SRC1_RGB 0x8581
#define GR_GL_SRC2_RGB 0x8582
#define GR_GL_SRC0_ALPHA 0x8588
#define GR_GL_SRC1_ALPHA 0x8589
#define GR_GL_SRC2_ALPHA 0x858A
/* Uniform Types */
#define GR_GL_FLOAT_VEC2 0x8B50
#define GR_GL_FLOAT_VEC3 0x8B51
#define GR_GL_FLOAT_VEC4 0x8B52
#define GR_GL_INT_VEC2 0x8B53
#define GR_GL_INT_VEC3 0x8B54
#define GR_GL_INT_VEC4 0x8B55
#define GR_GL_BOOL 0x8B56
#define GR_GL_BOOL_VEC2 0x8B57
#define GR_GL_BOOL_VEC3 0x8B58
#define GR_GL_BOOL_VEC4 0x8B59
#define GR_GL_FLOAT_MAT2 0x8B5A
#define GR_GL_FLOAT_MAT3 0x8B5B
#define GR_GL_FLOAT_MAT4 0x8B5C
#define GR_GL_SAMPLER_2D 0x8B5E
#define GR_GL_SAMPLER_CUBE 0x8B60
/* Vertex Arrays */
#define GR_GL_VERTEX_ATTRIB_ARRAY_ENABLED 0x8622
#define GR_GL_VERTEX_ATTRIB_ARRAY_SIZE 0x8623
#define GR_GL_VERTEX_ATTRIB_ARRAY_STRIDE 0x8624
#define GR_GL_VERTEX_ATTRIB_ARRAY_TYPE 0x8625
#define GR_GL_VERTEX_ATTRIB_ARRAY_NORMALIZED 0x886A
#define GR_GL_VERTEX_ATTRIB_ARRAY_POINTER 0x8645
#define GR_GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING 0x889F
#define GR_GL_VERTEX_ARRAY 0x8074
#define GR_GL_NORMAL_ARRAY 0x8075
#define GR_GL_COLOR_ARRAY 0x8076
#define GR_GL_INDEX_ARRAY 0x8077
#define GR_GL_TEXTURE_COORD_ARRAY 0x8078
#define GR_GL_EDGE_FLAG_ARRAY 0x8079
#define GR_GL_VERTEX_ARRAY_SIZE 0x807A
#define GR_GL_VERTEX_ARRAY_TYPE 0x807B
#define GR_GL_VERTEX_ARRAY_STRIDE 0x807C
#define GR_GL_NORMAL_ARRAY_TYPE 0x807E
#define GR_GL_NORMAL_ARRAY_STRIDE 0x807F
#define GR_GL_COLOR_ARRAY_SIZE 0x8081
#define GR_GL_COLOR_ARRAY_TYPE 0x8082
#define GR_GL_COLOR_ARRAY_STRIDE 0x8083
#define GR_GL_INDEX_ARRAY_TYPE 0x8085
#define GR_GL_INDEX_ARRAY_STRIDE 0x8086
#define GR_GL_TEXTURE_COORD_ARRAY_SIZE 0x8088
#define GR_GL_TEXTURE_COORD_ARRAY_TYPE 0x8089
#define GR_GL_TEXTURE_COORD_ARRAY_STRIDE 0x808A
#define GR_GL_EDGE_FLAG_ARRAY_STRIDE 0x808C
#define GR_GL_VERTEX_ARRAY_POINTER 0x808E
#define GR_GL_NORMAL_ARRAY_POINTER 0x808F
#define GR_GL_COLOR_ARRAY_POINTER 0x8090
#define GR_GL_INDEX_ARRAY_POINTER 0x8091
#define GR_GL_TEXTURE_COORD_ARRAY_POINTER 0x8092
#define GR_GL_EDGE_FLAG_ARRAY_POINTER 0x8093
#define GR_GL_V2F 0x2A20
#define GR_GL_V3F 0x2A21
#define GR_GL_C4UB_V2F 0x2A22
#define GR_GL_C4UB_V3F 0x2A23
#define GR_GL_C3F_V3F 0x2A24
#define GR_GL_N3F_V3F 0x2A25
#define GR_GL_C4F_N3F_V3F 0x2A26
#define GR_GL_T2F_V3F 0x2A27
#define GR_GL_T4F_V4F 0x2A28
#define GR_GL_T2F_C4UB_V3F 0x2A29
#define GR_GL_T2F_C3F_V3F 0x2A2A
#define GR_GL_T2F_N3F_V3F 0x2A2B
#define GR_GL_T2F_C4F_N3F_V3F 0x2A2C
#define GR_GL_T4F_C4F_N3F_V4F 0x2A2D
/* Vertex Buffer Object */
#define GR_GL_WRITE_ONLY 0x88B9
#define GR_GL_BUFFER_MAPPED 0x88BC
/* Read Format */
#define GR_GL_IMPLEMENTATION_COLOR_READ_TYPE 0x8B9A
#define GR_GL_IMPLEMENTATION_COLOR_READ_FORMAT 0x8B9B
/* Shader Source */
#define GR_GL_COMPILE_STATUS 0x8B81
#define GR_GL_INFO_LOG_LENGTH 0x8B84
#define GR_GL_SHADER_SOURCE_LENGTH 0x8B88
#define GR_GL_SHADER_COMPILER 0x8DFA
/* Shader Binary */
#define GR_GL_SHADER_BINARY_FORMATS 0x8DF8
#define GR_GL_NUM_SHADER_BINARY_FORMATS 0x8DF9
/* Shader Precision-Specified Types */
#define GR_GL_LOW_FLOAT 0x8DF0
#define GR_GL_MEDIUM_FLOAT 0x8DF1
#define GR_GL_HIGH_FLOAT 0x8DF2
#define GR_GL_LOW_INT 0x8DF3
#define GR_GL_MEDIUM_INT 0x8DF4
#define GR_GL_HIGH_INT 0x8DF5
/* Framebuffer Object. */
#define GR_GL_FRAMEBUFFER 0x8D40
#define GR_GL_READ_FRAMEBUFFER 0x8CA8
#define GR_GL_DRAW_FRAMEBUFFER 0x8CA9
#define GR_GL_RENDERBUFFER 0x8D41
#define GR_GL_RGBA4 0x8056
#define GR_GL_RGB5_A1 0x8057
#define GR_GL_RGB565 0x8D62
#define GR_GL_RGBA8 0x8058
#define GR_GL_DEPTH_COMPONENT16 0x81A5
#define GR_GL_STENCIL_INDEX 0x1901
#define GR_GL_STENCIL_INDEX4 0x8D47
#define GR_GL_STENCIL_INDEX8 0x8D48
#define GR_GL_STENCIL_INDEX16 0x8D49
#define GR_GL_DEPTH_STENCIL 0x84F9
#define GR_GL_DEPTH24_STENCIL8 0x88F0
#define GR_GL_MAX_SAMPLES 0x8D57
#define GR_GL_RENDERBUFFER_WIDTH 0x8D42
#define GR_GL_RENDERBUFFER_HEIGHT 0x8D43
#define GR_GL_RENDERBUFFER_INTERNAL_FORMAT 0x8D44
#define GR_GL_RENDERBUFFER_RED_SIZE 0x8D50
#define GR_GL_RENDERBUFFER_GREEN_SIZE 0x8D51
#define GR_GL_RENDERBUFFER_BLUE_SIZE 0x8D52
#define GR_GL_RENDERBUFFER_ALPHA_SIZE 0x8D53
#define GR_GL_RENDERBUFFER_DEPTH_SIZE 0x8D54
#define GR_GL_RENDERBUFFER_STENCIL_SIZE 0x8D55
#define GR_GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE 0x8CD0
#define GR_GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME 0x8CD1
#define GR_GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL 0x8CD2
#define GR_GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE 0x8CD3
#define GR_GL_COLOR_ATTACHMENT0 0x8CE0
#define GR_GL_DEPTH_ATTACHMENT 0x8D00
#define GR_GL_STENCIL_ATTACHMENT 0x8D20
#define GR_GL_DEPTH_STENCIL_ATTACHMENT 0x821A
#define GR_GL_NONE 0
#define GR_GL_FRAMEBUFFER_COMPLETE 0x8CD5
#define GR_GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT 0x8CD6
#define GR_GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT 0x8CD7
#define GR_GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS 0x8CD9
#define GR_GL_FRAMEBUFFER_UNSUPPORTED 0x8CDD
#define GR_GL_FRAMEBUFFER_BINDING 0x8CA6
#define GR_GL_RENDERBUFFER_BINDING 0x8CA7
#define GR_GL_MAX_RENDERBUFFER_SIZE 0x84E8
#define GR_GL_INVALID_FRAMEBUFFER_OPERATION 0x0506
#endif