The Tor Browser / file revision

 /*

  * Copyright 2011 Google Inc.

  *

  * Use of this source code is governed by a BSD-style license that can be

  * found in the LICENSE file.

  */

 #ifndef GrGLDefines_DEFINED

 #define GrGLDefines_DEFINED

 /* Profiles */

 #define GR_GL_CONTEXT_PROFILE_MASK              0x9126

 #define GR_GL_CONTEXT_CORE_PROFILE_BIT          0x00000001

 #define GR_GL_CONTEXT_COMPATIBILITY_PROFILE_BIT 0x00000002

 // 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

 /* 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

 #define GR_GL_POLYGON_OFFSET_FILL            0x8037

 #define GR_GL_POLYGON_SMOOTH                 0x0B41

 #define GR_GL_POLYGON_STIPPLE                0x0B42

 #define GR_GL_COLOR_LOGIC_OP                 0x0BF2

 #define GR_GL_COLOR_TABLE                    0x80D0

 #define GR_GL_INDEX_LOGIC_OP                 0x0BF1

 #define GR_GL_VERTEX_PROGRAM_POINT_SIZE      0x8642

 #define GR_GL_LINE_STIPPLE                   0x0B24

 /* 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_UNPACK_FLIP_Y                  0x9240

 #define GR_GL_PACK_ALIGNMENT                 0x0D05

 #define GR_GL_PACK_REVERSE_ROW_ORDER         0x93A4

 #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

 #define GR_GL_RENDERBUFFER_COVERAGE_SAMPLES  0x8CAB

 #define GR_GL_RENDERBUFFER_COLOR_SAMPLES     0x8E10

 #define GR_GL_MAX_MULTISAMPLE_COVERAGE_MODES 0x8E11

 #define GR_GL_MULTISAMPLE_COVERAGE_MODES     0x8E12

 /* 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_RED                            0x1903

 #define GR_GL_GREEN                          0x1904

 #define GR_GL_BLUE                           0x1905

 #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

 #define GR_GL_ALPHA8                         0x803C

 #define GR_GL_R8                             0x8229

 /* 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_GEOMETRY_SHADER                  0x8DD9

 #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

 /* StringCounts */

 #define GR_GL_NUM_EXTENSIONS                 0x821D

 /* Pixel Mode / Transfer */

 #define GR_GL_UNPACK_ROW_LENGTH              0x0CF2

 #define GR_GL_PACK_ROW_LENGTH                0x0D02

 /* 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

 /* TextureUsage */

 #define GR_GL_FRAMEBUFFER_ATTACHMENT         0x93A3

 /* 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

 #define GR_GL_TEXTURE_USAGE                  0x93A2

 /* 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

 #define GR_GL_MAX_TEXTURE_COORDS             0x8871

 /* TextureWrapMode */

 #define GR_GL_REPEAT                         0x2901

 #define GR_GL_CLAMP_TO_EDGE                  0x812F

 #define GR_GL_MIRRORED_REPEAT                0x8370

 /* Texture Swizzle */

 #define GR_GL_TEXTURE_SWIZZLE_R              0x8E42

 #define GR_GL_TEXTURE_SWIZZLE_G              0x8E43

 #define GR_GL_TEXTURE_SWIZZLE_B              0x8E44

 #define GR_GL_TEXTURE_SWIZZLE_A              0x8E45

 #define GR_GL_TEXTURE_SWIZZLE_RGBA           0x8E46

 /* Texture mapping */

 #define GR_GL_TEXTURE_ENV                    0x2300

 #define GR_GL_TEXTURE_ENV_MODE               0x2200

 #define GR_GL_TEXTURE_1D                     0x0DE0

 /* GL_TEXTURE_2D */

 /* 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_R                 0x0C62

 #define GR_GL_TEXTURE_GEN_Q                 0x0C63

 #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_TEXTURE_INTERNAL_FORMAT       0x1003

 /* 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_SECONDARY_COLOR_ARRAY              0x845E

 #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

 /* Queries */

 #define GR_GL_QUERY_COUNTER_BITS             0x8864

 #define GR_GL_CURRENT_QUERY                  0x8865

 #define GR_GL_QUERY_RESULT                   0x8866

 #define GR_GL_QUERY_RESULT_AVAILABLE         0x8867

 #define GR_GL_SAMPLES_PASSED                 0x8914

 #define GR_GL_ANY_SAMPLES_PASSED             0x8C2F

 #define GR_GL_TIME_ELAPSED                   0x88BF

 #define GR_GL_TIMESTAMP                      0x8E28

 #define GR_GL_PRIMITIVES_GENERATED           0x8C87

 #define GR_GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN 0x8C88

 /* 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_RGB8                           0x8051

 #define GR_GL_BGRA8                          0x93A1

 #define GR_GL_SRGB                           0x8C40

 #define GR_GL_SRGB8                          0x8C41

 #define GR_GL_SRGB_ALPHA                     0x8C42

 #define GR_GL_SRGB8_ALPHA8                   0x8C43

 #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

 // GL_IMG_multisampled_render_to_texture uses a different value for GL_MAX_SAMPLES

 #define GR_GL_MAX_SAMPLES_IMG                0x9135

 #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_FRAMEBUFFER_ATTACHMENT_TEXTURE_LAYER         0x8CD4

 #define GR_GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE              0x8212

 #define GR_GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE            0x8213

 #define GR_GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE             0x8214

 #define GR_GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE            0x8215

 #define GR_GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE            0x8216

 #define GR_GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE          0x8217

 #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

 /* Path Rendering */

 // commands

 #define GR_GL_CLOSE_PATH                                    0x00

 #define GR_GL_MOVE_TO                                       0x02

 #define GR_GL_RELATIVE_MOVE_TO                              0x03

 #define GR_GL_LINE_TO                                       0x04

 #define GR_GL_RELATIVE_LINE_TO                              0x05

 #define GR_GL_HORIZONTAL_LINE_TO                            0x06

 #define GR_GL_RELATIVE_HORIZONTAL_LINE_TO                   0x07

 #define GR_GL_VERTICAL_LINE_TO                              0x08

 #define GR_GL_RELATIVE_VERTICAL_LINE_TO                     0x09

 #define GR_GL_QUADRATIC_CURVE_TO                            0x0A

 #define GR_GL_RELATIVE_QUADRATIC_CURVE_TO                   0x0B

 #define GR_GL_CUBIC_CURVE_TO                                0x0C

 #define GR_GL_RELATIVE_CUBIC_CURVE_TO                       0x0D

 #define GR_GL_SMOOTH_QUADRATIC_CURVE_TO                     0x0E

 #define GR_GL_RELATIVE_SMOOTH_QUADRATIC_CURVE_TO            0x0F

 #define GR_GL_SMOOTH_CUBIC_CURVE_TO                         0x10

 #define GR_GL_RELATIVE_SMOOTH_CUBIC_CURVE_TO                0x11

 #define GR_GL_SMALL_CCW_ARC_TO                              0x12

 #define GR_GL_RELATIVE_SMALL_CCW_ARC_TO                     0x13

 #define GR_GL_SMALL_CW_ARC_TO                               0x14

 #define GR_GL_RELATIVE_SMALL_CW_ARC_TO                      0x15

 #define GR_GL_LARGE_CCW_ARC_TO                              0x16

 #define GR_GL_RELATIVE_LARGE_CCW_ARC_TO                     0x17

 #define GR_GL_LARGE_CW_ARC_TO                               0x18

 #define GR_GL_RELATIVE_LARGE_CW_ARC_TO                      0x19

 #define GR_GL_CIRCULAR_CCW_ARC_TO                           0xF8

 #define GR_GL_CIRCULAR_CW_ARC_TO                            0xFA

 #define GR_GL_CIRCULAR_TANGENT_ARC_TO                       0xFC

 #define GR_GL_ARC_TO                                        0xFE

 #define GR_GL_RELATIVE_ARC_TO                               0xFF

 // path string formats

 #define GR_GL_PATH_FORMAT_SVG                               0x9070

 #define GR_GL_PATH_FORMAT_PS                                0x9071

 // font targets

 #define GR_GL_STANDARD_FONT_NAME                            0x9072

 #define GR_GL_SYSTEM_FONT_NAME                              0x9073

 #define GR_GL_FILE_NAME                                     0x9074

 // handle missing glyphs

 #define GR_GL_SKIP_MISSING_GLYPH                            0x90A9

 #define GR_GL_USE_MISSING_GLYPH                             0x90AA

 // path parameters

 #define GR_GL_PATH_STROKE_WIDTH                             0x9075

 #define GR_GL_PATH_INITIAL_END_CAP                          0x9077

 #define GR_GL_PATH_TERMINAL_END_CAP                         0x9078

 #define GR_GL_PATH_JOIN_STYLE                               0x9079

 #define GR_GL_PATH_MITER_LIMIT                              0x907A

 #define GR_GL_PATH_INITIAL_DASH_CAP                         0x907C

 #define GR_GL_PATH_TERMINAL_DASH_CAP                        0x907D

 #define GR_GL_PATH_DASH_OFFSET                              0x907E

 #define GR_GL_PATH_CLIENT_LENGTH                            0x907F

 #define GR_GL_PATH_DASH_OFFSET_RESET                        0x90B4

 #define GR_GL_PATH_FILL_MODE                                0x9080

 #define GR_GL_PATH_FILL_MASK                                0x9081

 #define GR_GL_PATH_FILL_COVER_MODE                          0x9082

 #define GR_GL_PATH_STROKE_COVER_MODE                        0x9083

 #define GR_GL_PATH_STROKE_MASK                              0x9084

 #define GR_GL_PATH_END_CAPS                                 0x9076

 #define GR_GL_PATH_DASH_CAPS                                0x907B

 #define GR_GL_PATH_COMMAND_COUNT                            0x909D

 #define GR_GL_PATH_COORD_COUNT                              0x909E

 #define GR_GL_PATH_DASH_ARRAY_COUNT                         0x909F

 #define GR_GL_PATH_FILL_BOUNDING_BOX                        0x90A1

 #define GR_GL_PATH_STROKE_BOUNDING_BOX                      0x90A2

 // fill modes

 /*      GL_INVERT */

 #define GR_GL_COUNT_UP                                      0x9088

 #define GR_GL_COUNT_DOWN                                    0x9089

 /*      GL_PATH_FILL_MODE_NV */

 // path color gen

 /*      GL_PRIMARY_COLOR */

 #define GR_GL_SECONDARY_COLOR                               0x852D

 // gen mode

 /*      GL_NONE */

 /*      GL_EYE_LINEAR */

 /*      GL_OBJECT_LINEAR */

 #define GR_GL_PATH_OBJECT_BOUNDING_BOX                      0x908A

 // cover mode

 #define GR_GL_CONVEX_HULL                                   0x908B

 #define GR_GL_BOUNDING_BOX                                  0x908D

 #define GR_GL_BOUNDING_BOX_OF_BOUNDING_BOXES                0x909C

 /*      GL_PATH_FILL_COVER_MODE_NV */

 // transform type

 /*      GL_NONE */

 #define GR_GL_TRANSLATE_X                                   0x908E

 #define GR_GL_TRANSLATE_Y                                   0x908F

 #define GR_GL_TRANSLATE_2D                                  0x9090

 #define GR_GL_TRANSLATE_3D                                  0x9091

 #define GR_GL_AFFINE_2D                                     0x9092

 #define GR_GL_AFFINE_3D                                     0x9094

 #define GR_GL_TRANSPOSE_AFFINE_2D                           0x9096

 #define GR_GL_TRANSPOSE_AFFINE_3D                           0x9098

 // path string types

 #define GR_GL_UTF8                                          0x909A

 #define GR_GL_UTF16                                         0x909B

 #define GR_GL_PATH_COMPUTED_LENGTH                          0x90A0

 // cap/dash values

 /*      GL_FLAT */

 #define GR_GL_SQUARE                                        0x90A3

 #define GR_GL_ROUND                                         0x90A4

 #define GR_GL_TRIANGULAR                                    0x90A5

 // join values

 /*      GL_NONE */

 /*      GL_ROUND_NV  */

 #define GR_GL_BEVEL                                         0x90A6

 #define GR_GL_MITER_REVERT                                  0x90A7

 #define GR_GL_MITER_TRUNCATE                                0x90A8

 // path dash reset values

 #define GR_GL_MOVE_TO_RESETS                                0x90B5

 #define GR_GL_MOVE_TO_CONTINUES                             0x90B6

 // font styles

 /*      GL_NONE */

 #define GR_GL_BOLD_BIT                                      0x01

 #define GR_GL_ITALIC_BIT                                    0x02

 // pnames for glGet

 #define GR_GL_PATH_ERROR_POSITION                           0x90AB

 #define GR_GL_PATH_FOG_GEN_MODE                             0x90AC

 #define GR_GL_PATH_STENCIL_FUNC                             0x90B7

 #define GR_GL_PATH_STENCIL_REF                              0x90B8

 #define GR_GL_PATH_STENCIL_VALUE_MASK                       0x90B9

 #define GR_GL_PATH_STENCIL_DEPTH_OFFSET_FACTOR              0x90BD

 #define GR_GL_PATH_STENCIL_DEPTH_OFFSET_UNITS               0x90BE

 #define GR_GL_PATH_COVER_DEPTH_FUNC                         0x90BF

 // per-glyph metrics bits in metric mask query

 #define GR_GL_GLYPH_WIDTH_BIT                               0x01

 #define GR_GL_GLYPH_HEIGHT_BIT                              0x02

 #define GR_GL_GLYPH_HORIZONTAL_BEARING_X_BIT                0x04

 #define GR_GL_GLYPH_HORIZONTAL_BEARING_Y_BIT                0x08

 #define GR_GL_GLYPH_HORIZONTAL_BEARING_ADVANCE_BIT          0x10

 #define GR_GL_GLYPH_VERTICAL_BEARING_X_BIT                  0x20

 #define GR_GL_GLYPH_VERTICAL_BEARING_Y_BIT                  0x40

 #define GR_GL_GLYPH_VERTICAL_BEARING_ADVANCE_BIT            0x80

 #define GR_GL_GLYPH_HAS_KERNING                             0x100

 // per-font face metrics in metric mask query

 #define GR_GL_FONT_X_MIN_BOUNDS                             0x00010000

 #define GR_GL_FONT_Y_MIN_BOUNDS                             0x00020000

 #define GR_GL_FONT_X_MAX_BOUNDS                             0x00040000

 #define GR_GL_FONT_Y_MAX_BOUNDS                             0x00080000

 #define GR_GL_FONT_UNITS_PER_EM                             0x00100000

 #define GR_GL_FONT_ASCENDER                                 0x00200000

 #define GR_GL_FONT_DESCENDER                                0x00400000

 #define GR_GL_FONT_HEIGHT                                   0x00800000

 #define GR_GL_FONT_MAX_ADVANCE_WIDTH                        0x01000000

 #define GR_GL_FONT_MAX_ADVANCE_HEIGHT                       0x02000000

 #define GR_GL_FONT_UNDERLINE_POSITION                       0x04000000

 #define GR_GL_FONT_UNDERLINE_THICKNESS                      0x08000000

 #define GR_GL_FONT_HAS_KERNING                              0x10000000

 // path list modes (glGetPathSpacing)

 #define GR_GL_ACCUM_ADJACENT_PAIRS                          0x90AD

 #define GR_GL_ADJACENT_PAIRS                                0x90AE

 #define GR_GL_FIRST_TO_REST                                 0x90AF

 //path gen modes

 #define GR_GL_PATH_GEN_MODE                                 0x90B0

 #define GR_GL_PATH_GEN_COEFF                                0x90B1

 #define GR_GL_PATH_GEN_COLOR_FORMAT                         0x90B2

 #define GR_GL_PATH_GEN_COMPONENTS                           0x90B3

 #endif