This CL removes all dependencies on GL headers across all of Ganesh. New
GrGLint, etc. types are introduced, and new GR_GL_XXXX constants for use at all
GL call-sites.
Review: http://codereview.appspot.com/4272061/
git-svn-id: http://skia.googlecode.com/svn/trunk@959 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gpu/include/GrGLDefines.h b/gpu/include/GrGLDefines.h
new file mode 100644
index 0000000..4c36e74
--- /dev/null
+++ b/gpu/include/GrGLDefines.h
@@ -0,0 +1,628 @@
+/*
+ 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 */
+
+/* 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_LUMINANCE 0x1909
+#define GR_GL_LUMINANCE_ALPHA 0x190A
+
+/* 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
+
+/* 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
+#define GR_GL_TEXTURE_WRAP_S 0x2802
+#define GR_GL_TEXTURE_WRAP_T 0x2803
+#define GR_GL_TEXTURE_MAG_FILTER 0x2800
+#define GR_GL_TEXTURE_MIN_FILTER 0x2801
+#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
+#define GR_GL_NEAREST_MIPMAP_NEAREST 0x2700
+#define GR_GL_NEAREST_MIPMAP_LINEAR 0x2702
+#define GR_GL_LINEAR_MIPMAP_NEAREST 0x2701
+#define GR_GL_LINEAR_MIPMAP_LINEAR 0x2703
+#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
+#define GR_GL_NEAREST 0x2600
+#define GR_GL_REPEAT 0x2901
+#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
+
+/* 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_RENDERBUFFER 0x8D41
+
+#define GR_GL_RGBA4 0x8056
+#define GR_GL_RGB5_A1 0x8057
+#define GR_GL_RGB565 0x8D62
+#define GR_GL_DEPTH_COMPONENT16 0x81A5
+#define GR_GL_STENCIL_INDEX 0x1901
+#define GR_GL_STENCIL_INDEX8 0x8D48
+
+#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_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
\ No newline at end of file