zengl/Zengl_SRC/srcGL/old zgl_gl_const_all.pas

unit zgl_gl_const_all;

interface

{$IfDef LINUX}
uses
  xlib;
{$EndIf}

type
  P_cl_context  = ^_cl_context;
  _cl_context   = record end;
  P_cl_event    = ^_cl_event;
  _cl_event     = record end;

  PPGLchar      = ^PGLChar;
  PPGLcharARB   = ^PGLcharARB;

  PGLboolean    = ^GLboolean;
  PGLbyte       = ^GLbyte;
  PGLchar       = ^GLchar;
  PGLdouble     = ^GLdouble;
  PGLenum       = ^GLenum;
  PGLfloat      = ^GLfloat;
  PGLint        = ^GLint;
  PGLint64      = ^GLint64;
  PGLint64EXT   = ^GLint64EXT;
  PGLintptr     = ^GLintptr;
  PGLshort      = ^GLshort;
  PGLsizei      = ^GLsizei;
  PGLsizeiptr   = ^GLsizeiptr;
  PGLubyte      = ^GLubyte;
  PGLuint       = ^GLuint;
  PGLuint64     = ^GLuint64;
  PGLuint64EXT  = ^GLuint64EXT;
  PGLushort     = ^GLushort;

  PGLcharARB    = ^GLcharARB;
  PGLclampf     = ^GLclampf;
  PGLfixed      = ^GLfixed;
  PGLhalfNV     = ^GLhalfNV;
  PGLhandleARB  = ^GLhandleARB;
  PGLvdpauSurfaceNV  = ^GLvdpauSurfaceNV;

  GLvoid = pointer;
  GLenum = dword;
  GLfloat = Single;     // khronos_float_t;
  GLint = longint;
  GLsizei = longint;
  GLbitfield = dword;
  GLdouble = double;
  GLuint = dword;
  GLboolean = byte;
  GLubyte = Byte;       // khronos_uint8_t;
  GLclampf = Single;    // khronos_float_t;
  GLclampd = double;
  {$IfDef CPU64}
  GLsizeiptr = Int64;      // khronos_ssize_t;
  GLintptr = Int64;        // khronos_intptr_t;
  GLuint64 = QWord;        // khronos_uint64_t;
  GLint64 = Int64;         // khronos_int64_t;
  GLuint64EXT = QWord;     // khronos_uint64_t;
  GLint64EXT = Int64;      // khronos_int64_t;
  GLsizeiptrARB = Int64;   // khronos_ssize_t;
  GLintptrARB = Int64;     // khronos_intptr_t;
  {$Else}
  GLsizeiptr = LongInt;    // khronos_ssize_t;
  GLintptr = LongInt;      // khronos_intptr_t;
  GLuint64 = DWord;        // khronos_uint64_t;
  GLint64 = LongInt;       // khronos_int64_t;
  GLuint64EXT = DWord;     // khronos_uint64_t;
  GLsizeiptrARB = LongInt; // khronos_ssize_t;
  GLintptrARB = LongInt;   // khronos_intptr_t;
  {$EndIf}
  GLchar = char;
  GLshort = SmallInt;   // khronos_int16_t;
  GLbyte = Byte;        // khronos_int8_t;
  GLushort = Word;      // khronos_uint16_t;
  GLhalf = Word;        //  khronos_uint16_t;
  GLsync = Pointer;     // ^__GLsync;

  GLeglImageOES = pointer;

  GLhalfARB = Word;     // khronos_uint16_t;
  GLfixed = LongInt;    // khronos_int32_t;
  GLeglClientBufferEXT = pointer;

  PPGLvoid = ^PGLvoid;
  PGLvoid = Pointer;

  {$ifdef __APPLE__}
  GLhandleARB = pointer;
  {$else}
  GLhandleARB = dword;
  {$EndIf}
  GLcharARB = char;

  GLhalfNV = word;
  GLvdpauSurfaceNV = GLintptr;

  {$IfDef LINUX}
{???}  PDMparams  = ^DMparams;                               // ???
  PGLXFBConfigSGIX  = ^GLXFBConfigSGIX;
  GLXFBConfigSGIX = ^GLXFBConfigRec;

  PGLXHyperpipeConfigSGIX  = ^GLXHyperpipeConfigSGIX;
  GLXHyperpipeConfigSGIX = record
        pipeName : array[0..79] of char;
        channel : longint;
        participationType : dword;
        timeSlice : longint;
      end;

  PGLXHyperpipeNetworkSGIX  = ^GLXHyperpipeNetworkSGIX;
  GLXHyperpipeNetworkSGIX = record
        pipeName : array[0..79] of char;
        networkId : longint;
      end;

  PGLXVideoCaptureDeviceNV  = ^GLXVideoCaptureDeviceNV;
  GLXVideoCaptureDeviceNV = XID;

  PGLXVideoDeviceNV  = ^GLXVideoDeviceNV;
  GLXVideoDeviceNV = DWord;

  Pint32_t  = ^int32_t;
  int32_t = LongInt;
  Pint64_t  = ^int64_t;
  int64_t = Int64;
  Plongint  = ^longint;
  PXVisualInfo  = ^XVisualInfo;

  cuint = LongWord;
  cint = LongInt;

  XPixmap = TXID;
  XFont = TXID;
  XColormap = TXID;
  XWindow = TXID;

  GLXContext = Pointer;
  GLXPixmap = TXID;
  GLXDrawable = TXID;
  GLXContextID = TXID;

(* GLX 1.3 and later *)
  GLXFBConfigRec = record end;
  GLXFBConfig = ^GLXFBConfigRec;

  PGLXFBConfig = ^GLXFBConfig;          // ссылка на ссылку...
  GLXFBConfigID = TXID;
  GLXWindow = TXID;
  GLXPbuffer = TXID;

{  GLXFBConfig = ^__GLXFBConfigRec;
  GLXFBConfigSGIX = ^__GLXFBConfigRec;}
  {$EndIf}

const
  // GL_VERSION_1_1
  { AttribMask }
  GL_DEPTH_BUFFER_BIT = $00000100;
  GL_STENCIL_BUFFER_BIT = $00000400;
  GL_COLOR_BUFFER_BIT = $00004000;
  { Boolean }
  GL_TRUE = 1;
  GL_FALSE = 0;
  { BeginMode }
  GL_POINTS = $0000;
  GL_LINES = $0001;
  GL_LINE_LOOP = $0002;
  GL_LINE_STRIP = $0003;
  GL_TRIANGLES = $0004;
  GL_TRIANGLE_STRIP = $0005;
  GL_TRIANGLE_FAN = $0006;
  { AlphaFunction }
  GL_NEVER = $0200;
  GL_LESS = $0201;
  GL_EQUAL = $0202;
  GL_LEQUAL = $0203;
  GL_GREATER = $0204;
  GL_NOTEQUAL = $0205;
  GL_GEQUAL = $0206;
  GL_ALWAYS = $0207;
  { BlendingFactorDest }
  GL_ZERO = 0;
  GL_ONE = 1;
  GL_SRC_COLOR = $0300;
  GL_ONE_MINUS_SRC_COLOR = $0301;
  GL_SRC_ALPHA = $0302;
  GL_ONE_MINUS_SRC_ALPHA = $0303;
  GL_DST_ALPHA = $0304;
  GL_ONE_MINUS_DST_ALPHA = $0305;
  { BlendingFactorSrc }
  GL_DST_COLOR = $0306;
  GL_ONE_MINUS_DST_COLOR = $0307;
  GL_SRC_ALPHA_SATURATE = $0308;
  { DrawBufferMode }
  GL_NONE = 0;
  GL_FRONT_LEFT = $0400;
  GL_FRONT_RIGHT = $0401;
  GL_BACK_LEFT = $0402;
  GL_BACK_RIGHT = $0403;
  GL_FRONT = $0404;
  GL_BACK = $0405;
  GL_LEFT = $0406;
  GL_RIGHT = $0407;
  GL_FRONT_AND_BACK = $0408;
  { ErrorCode }
  GL_NO_ERROR = 0;
  GL_INVALID_ENUM = $0500;
  GL_INVALID_VALUE = $0501;
  GL_INVALID_OPERATION = $0502;
  GL_OUT_OF_MEMORY = $0505;
  { FrontFaceDirection }
  GL_CW = $0900;
  GL_CCW = $0901;
  { GetPName }
  GL_POINT_SIZE = $0B11;
  GL_POINT_SIZE_RANGE = $0B12;
  GL_POINT_SIZE_GRANULARITY = $0B13;
  GL_LINE_SMOOTH = $0B20;
  GL_LINE_WIDTH = $0B21;
  GL_LINE_WIDTH_RANGE = $0B22;
  GL_LINE_WIDTH_GRANULARITY = $0B23;
  GL_POLYGON_SMOOTH = $0B41;
  GL_CULL_FACE = $0B44;
  GL_CULL_FACE_MODE = $0B45;
  GL_FRONT_FACE = $0B46;
  GL_DEPTH_RANGE = $0B70;
  GL_DEPTH_TEST = $0B71;
  GL_DEPTH_WRITEMASK = $0B72;
  GL_DEPTH_CLEAR_VALUE = $0B73;
  GL_DEPTH_FUNC = $0B74;
  GL_STENCIL_TEST = $0B90;
  GL_STENCIL_CLEAR_VALUE = $0B91;
  GL_STENCIL_FUNC = $0B92;
  GL_STENCIL_VALUE_MASK = $0B93;
  GL_STENCIL_FAIL = $0B94;
  GL_STENCIL_PASS_DEPTH_FAIL = $0B95;
  GL_STENCIL_PASS_DEPTH_PASS = $0B96;
  GL_STENCIL_REF = $0B97;
  GL_STENCIL_WRITEMASK = $0B98;
  GL_VIEWPORT = $0BA2;
  GL_DITHER = $0BD0;
  GL_BLEND_DST = $0BE0;
  GL_BLEND_SRC = $0BE1;
  GL_BLEND = $0BE2;
  GL_LOGIC_OP_MODE = $0BF0;
  GL_COLOR_LOGIC_OP = $0BF2;
  GL_DRAW_BUFFER = $0C01;
  GL_READ_BUFFER = $0C02;
  GL_SCISSOR_BOX = $0C10;
  GL_SCISSOR_TEST = $0C11;
  GL_COLOR_CLEAR_VALUE = $0C22;
  GL_COLOR_WRITEMASK = $0C23;
  GL_DOUBLEBUFFER = $0C32;
  GL_STEREO = $0C33;
  GL_LINE_SMOOTH_HINT = $0C52;
  GL_POLYGON_SMOOTH_HINT = $0C53;
  GL_UNPACK_SWAP_BYTES = $0CF0;
  GL_UNPACK_LSB_FIRST = $0CF1;
  GL_UNPACK_ROW_LENGTH = $0CF2;
  GL_UNPACK_SKIP_ROWS = $0CF3;
  GL_UNPACK_SKIP_PIXELS = $0CF4;
  GL_UNPACK_ALIGNMENT = $0CF5;
  GL_PACK_SWAP_BYTES = $0D00;
  GL_PACK_LSB_FIRST = $0D01;
  GL_PACK_ROW_LENGTH = $0D02;
  GL_PACK_SKIP_ROWS = $0D03;
  GL_PACK_SKIP_PIXELS = $0D04;
  GL_PACK_ALIGNMENT = $0D05;
  GL_MAX_TEXTURE_SIZE = $0D33;
  GL_MAX_VIEWPORT_DIMS = $0D3A;
  GL_SUBPIXEL_BITS = $0D50;
  GL_TEXTURE_1D = $0DE0;
  GL_TEXTURE_2D = $0DE1;
  GL_POLYGON_OFFSET_UNITS = $2A00;
  GL_POLYGON_OFFSET_POINT = $2A01;
  GL_POLYGON_OFFSET_LINE = $2A02;
  GL_POLYGON_OFFSET_FILL = $8037;
  GL_POLYGON_OFFSET_FACTOR = $8038;
  GL_TEXTURE_BINDING_1D = $8068;
  GL_TEXTURE_BINDING_2D = $8069;
  { GetTextureParameter }
  GL_TEXTURE_WIDTH = $1000;
  GL_TEXTURE_HEIGHT = $1001;
  GL_TEXTURE_INTERNAL_FORMAT = $1003;
  GL_TEXTURE_BORDER_COLOR = $1004;
  GL_TEXTURE_BORDER = $1005;
  GL_TEXTURE_RED_SIZE = $805C;
  GL_TEXTURE_GREEN_SIZE = $805D;
  GL_TEXTURE_BLUE_SIZE = $805E;
  GL_TEXTURE_ALPHA_SIZE = $805F;
  { HintMode }
  GL_DONT_CARE = $1100;
  GL_FASTEST = $1101;
  GL_NICEST = $1102;
  { DataType }
  GL_BYTE = $1400;
  GL_UNSIGNED_BYTE = $1401;
  GL_SHORT = $1402;
  GL_UNSIGNED_SHORT = $1403;
  GL_INT = $1404;
  GL_UNSIGNED_INT = $1405;
  GL_FLOAT = $1406;
  GL_DOUBLE = $140A;
  { LogicOp }
  GL_CLEAR = $1500;
  GL_AND = $1501;
  GL_AND_REVERSE = $1502;
  GL_COPY = $1503;
  GL_AND_INVERTED = $1504;
  GL_NOOP = $1505;
  GL_XOR = $1506;
  GL_OR = $1507;
  GL_NOR = $1508;
  GL_EQUIV = $1509;
  GL_INVERT = $150A;
  GL_OR_REVERSE = $150B;
  GL_COPY_INVERTED = $150C;
  GL_OR_INVERTED = $150D;
  GL_NAND = $150E;
  GL_SET = $150F;
  { MatrixMode (for gl3.h, FBO attachment type) }
  GL_TEXTURE = $1702;
  { PixelCopyType }
  GL_COLOR = $1800;
  GL_DEPTH = $1801;
  GL_STENCIL = $1802;
  { PixelFormat }
  GL_STENCIL_INDEX = $1901;
  GL_DEPTH_COMPONENT = $1902;
  GL_RED = $1903;
  GL_GREEN = $1904;
  GL_BLUE = $1905;
  GL_ALPHA = $1906;
  GL_RGB = $1907;
  GL_RGBA = $1908;
  { PolygonMode }
  GL_POINT = $1B00;
  GL_LINE = $1B01;
  GL_FILL = $1B02;
  { StencilOp }
  GL_KEEP = $1E00;
  GL_REPLACE = $1E01;
  GL_INCR = $1E02;
  GL_DECR = $1E03;
  { StringName }
  GL_VENDOR = $1F00;
  GL_RENDERER = $1F01;
  GL_VERSION = $1F02;
  GL_EXTENSIONS = $1F03;
  { TextureMagFilter }
  GL_NEAREST = $2600;
  GL_LINEAR = $2601;
  { TextureMinFilter }
  GL_NEAREST_MIPMAP_NEAREST = $2700;
  GL_LINEAR_MIPMAP_NEAREST = $2701;
  GL_NEAREST_MIPMAP_LINEAR = $2702;
  GL_LINEAR_MIPMAP_LINEAR = $2703;
  { TextureParameterName }
  GL_TEXTURE_MAG_FILTER = $2800;
  GL_TEXTURE_MIN_FILTER = $2801;
  GL_TEXTURE_WRAP_S = $2802;
  GL_TEXTURE_WRAP_T = $2803;
  { TextureTarget }
  GL_PROXY_TEXTURE_1D = $8063;
  GL_PROXY_TEXTURE_2D = $8064;
  { TextureWrapMode }
  GL_REPEAT = $2901;
  { PixelInternalFormat }
  GL_R3_G3_B2 = $2A10;
  GL_RGB4 = $804F;
  GL_RGB5 = $8050;
  GL_RGB8 = $8051;
  GL_RGB10 = $8052;
  GL_RGB12 = $8053;
  GL_RGB16 = $8054;
  GL_RGBA2 = $8055;
  GL_RGBA4 = $8056;
  GL_RGB5_A1 = $8057;
  GL_RGBA8 = $8058;
  GL_RGB10_A2 = $8059;
  GL_RGBA12 = $805A;
  GL_RGBA16 = $805B;
  // deprecated
  GL_ACCUM = $0100;
  GL_LOAD = $0101;
  GL_RETURN = $0102;
  GL_MULT = $0103;
  GL_ADD = $0104;
  GL_CURRENT_BIT = $00000001;
  GL_POINT_BIT = $00000002;
  GL_LINE_BIT = $00000004;
  GL_POLYGON_BIT = $00000008;
  GL_POLYGON_STIPPLE_BIT = $00000010;
  GL_PIXEL_MODE_BIT = $00000020;
  GL_LIGHTING_BIT = $00000040;
  GL_FOG_BIT = $00000080;
  GL_ACCUM_BUFFER_BIT = $00000200;
  GL_VIEWPORT_BIT = $00000800;
  GL_TRANSFORM_BIT = $00001000;
  GL_ENABLE_BIT = $00002000;
  GL_HINT_BIT = $00008000;
  GL_EVAL_BIT = $00010000;
  GL_LIST_BIT = $00020000;
  GL_TEXTURE_BIT = $00040000;
  GL_SCISSOR_BIT = $00080000;
  GL_ALL_ATTRIB_BITS = $000FFFFF;
  GL_QUADS = $0007;
  GL_QUAD_STRIP = $0008;
  GL_POLYGON = $0009;
  GL_CLIP_PLANE0 = $3000;
  GL_CLIP_PLANE1 = $3001;
  GL_CLIP_PLANE2 = $3002;
  GL_CLIP_PLANE3 = $3003;
  GL_CLIP_PLANE4 = $3004;
  GL_CLIP_PLANE5 = $3005;
  GL_2_BYTES = $1407;
  GL_3_BYTES = $1408;
  GL_4_BYTES = $1409;
  GL_AUX0 = $0409;
  GL_AUX1 = $040A;
  GL_AUX2 = $040B;
  GL_AUX3 = $040C;
  GL_STACK_OVERFLOW = $0503;
  GL_STACK_UNDERFLOW = $0504;
  GL_2D = $0600;
  GL_3D = $0601;
  GL_3D_COLOR = $0602;
  GL_3D_COLOR_TEXTURE = $0603;
  GL_4D_COLOR_TEXTURE = $0604;
  GL_PASS_THROUGH_TOKEN = $0700;
  GL_POINT_TOKEN = $0701;
  GL_LINE_TOKEN = $0702;
  GL_POLYGON_TOKEN = $0703;
  GL_BITMAP_TOKEN = $0704;
  GL_DRAW_PIXEL_TOKEN = $0705;
  GL_COPY_PIXEL_TOKEN = $0706;
  GL_LINE_RESET_TOKEN = $0707;
  GL_EXP = $0800;
  GL_EXP2 = $0801;
  GL_COEFF = $0A00;
  GL_ORDER = $0A01;
  GL_DOMAIN = $0A02;
  GL_CURRENT_COLOR = $0B00;
  GL_CURRENT_INDEX = $0B01;
  GL_CURRENT_NORMAL = $0B02;
  GL_CURRENT_TEXTURE_COORDS = $0B03;
  GL_CURRENT_RASTER_COLOR = $0B04;
  GL_CURRENT_RASTER_INDEX = $0B05;
  GL_CURRENT_RASTER_TEXTURE_COORDS = $0B06;
  GL_CURRENT_RASTER_POSITION = $0B07;
  GL_CURRENT_RASTER_POSITION_VALID = $0B08;
  GL_CURRENT_RASTER_DISTANCE = $0B09;
  GL_POINT_SMOOTH = $0B10;
  GL_LINE_STIPPLE = $0B24;
  GL_LINE_STIPPLE_PATTERN = $0B25;
  GL_LINE_STIPPLE_REPEAT = $0B26;
  GL_LIST_MODE = $0B30;
  GL_MAX_LIST_NESTING = $0B31;
  GL_LIST_BASE = $0B32;
  GL_LIST_INDEX = $0B33;
  GL_POLYGON_MODE = $0B40;
  GL_POLYGON_STIPPLE = $0B42;
  GL_EDGE_FLAG = $0B43;
  GL_LIGHTING = $0B50;
  GL_LIGHT_MODEL_LOCAL_VIEWER = $0B51;
  GL_LIGHT_MODEL_TWO_SIDE = $0B52;
  GL_LIGHT_MODEL_AMBIENT = $0B53;
  GL_SHADE_MODEL = $0B54;
  GL_COLOR_MATERIAL_FACE = $0B55;
  GL_COLOR_MATERIAL_PARAMETER = $0B56;
  GL_COLOR_MATERIAL = $0B57;
  GL_FOG = $0B60;
  GL_FOG_INDEX = $0B61;
  GL_FOG_DENSITY = $0B62;
  GL_FOG_START = $0B63;
  GL_FOG_END = $0B64;
  GL_FOG_MODE = $0B65;
  GL_FOG_COLOR = $0B66;
  GL_ACCUM_CLEAR_VALUE = $0B80;
  GL_MATRIX_MODE = $0BA0;
  GL_NORMALIZE = $0BA1;
  GL_MODELVIEW_STACK_DEPTH = $0BA3;
  GL_PROJECTION_STACK_DEPTH = $0BA4;
  GL_TEXTURE_STACK_DEPTH = $0BA5;
  GL_MODELVIEW_MATRIX = $0BA6;
  GL_PROJECTION_MATRIX = $0BA7;
  GL_TEXTURE_MATRIX = $0BA8;
  GL_ATTRIB_STACK_DEPTH = $0BB0;
  GL_CLIENT_ATTRIB_STACK_DEPTH = $0BB1;
  GL_ALPHA_TEST = $0BC0;
  GL_ALPHA_TEST_FUNC = $0BC1;
  GL_ALPHA_TEST_REF = $0BC2;
  GL_INDEX_LOGIC_OP = $0BF1;
  GL_AUX_BUFFERS = $0C00;
  GL_INDEX_CLEAR_VALUE = $0C20;
  GL_INDEX_WRITEMASK = $0C21;
  GL_INDEX_MODE = $0C30;
  GL_RGBA_MODE = $0C31;
  GL_RENDER_MODE = $0C40;
  GL_PERSPECTIVE_CORRECTION_HINT = $0C50;
  GL_POINT_SMOOTH_HINT = $0C51;
  GL_FOG_HINT = $0C54;
  GL_TEXTURE_GEN_S = $0C60;
  GL_TEXTURE_GEN_T = $0C61;
  GL_TEXTURE_GEN_R = $0C62;
  GL_TEXTURE_GEN_Q = $0C63;
  GL_PIXEL_MAP_I_TO_I = $0C70;
  GL_PIXEL_MAP_S_TO_S = $0C71;
  GL_PIXEL_MAP_I_TO_R = $0C72;
  GL_PIXEL_MAP_I_TO_G = $0C73;
  GL_PIXEL_MAP_I_TO_B = $0C74;
  GL_PIXEL_MAP_I_TO_A = $0C75;
  GL_PIXEL_MAP_R_TO_R = $0C76;
  GL_PIXEL_MAP_G_TO_G = $0C77;
  GL_PIXEL_MAP_B_TO_B = $0C78;
  GL_PIXEL_MAP_A_TO_A = $0C79;
  GL_PIXEL_MAP_I_TO_I_SIZE = $0CB0;
  GL_PIXEL_MAP_S_TO_S_SIZE = $0CB1;
  GL_PIXEL_MAP_I_TO_R_SIZE = $0CB2;
  GL_PIXEL_MAP_I_TO_G_SIZE = $0CB3;
  GL_PIXEL_MAP_I_TO_B_SIZE = $0CB4;
  GL_PIXEL_MAP_I_TO_A_SIZE = $0CB5;
  GL_PIXEL_MAP_R_TO_R_SIZE = $0CB6;
  GL_PIXEL_MAP_G_TO_G_SIZE = $0CB7;
  GL_PIXEL_MAP_B_TO_B_SIZE = $0CB8;
  GL_PIXEL_MAP_A_TO_A_SIZE = $0CB9;
  GL_MAP_COLOR = $0D10;
  GL_MAP_STENCIL = $0D11;
  GL_INDEX_SHIFT = $0D12;
  GL_INDEX_OFFSET = $0D13;
  GL_RED_SCALE = $0D14;
  GL_RED_BIAS = $0D15;
  GL_ZOOM_X = $0D16;
  GL_ZOOM_Y = $0D17;
  GL_GREEN_SCALE = $0D18;
  GL_GREEN_BIAS = $0D19;
  GL_BLUE_SCALE = $0D1A;
  GL_BLUE_BIAS = $0D1B;
  GL_ALPHA_SCALE = $0D1C;
  GL_ALPHA_BIAS = $0D1D;
  GL_DEPTH_SCALE = $0D1E;
  GL_DEPTH_BIAS = $0D1F;
  GL_MAX_EVAL_ORDER = $0D30;
  GL_MAX_LIGHTS = $0D31;
  GL_MAX_CLIP_PLANES = $0D32;
  GL_MAX_PIXEL_MAP_TABLE = $0D34;
  GL_MAX_ATTRIB_STACK_DEPTH = $0D35;
  GL_MAX_MODELVIEW_STACK_DEPTH = $0D36;
  GL_MAX_NAME_STACK_DEPTH = $0D37;
  GL_MAX_PROJECTION_STACK_DEPTH = $0D38;
  GL_MAX_TEXTURE_STACK_DEPTH = $0D39;
  GL_MAX_CLIENT_ATTRIB_STACK_DEPTH = $0D3B;
  GL_INDEX_BITS = $0D51;
  GL_RED_BITS = $0D52;
  GL_GREEN_BITS = $0D53;
  GL_BLUE_BITS = $0D54;
  GL_ALPHA_BITS = $0D55;
  GL_DEPTH_BITS = $0D56;
  GL_STENCIL_BITS = $0D57;
  GL_ACCUM_RED_BITS = $0D58;
  GL_ACCUM_GREEN_BITS = $0D59;
  GL_ACCUM_BLUE_BITS = $0D5A;
  GL_ACCUM_ALPHA_BITS = $0D5B;
  GL_NAME_STACK_DEPTH = $0D70;
  GL_AUTO_NORMAL = $0D80;
  GL_MAP1_COLOR_4 = $0D90;
  GL_MAP1_INDEX = $0D91;
  GL_MAP1_NORMAL = $0D92;
  GL_MAP1_TEXTURE_COORD_1 = $0D93;
  GL_MAP1_TEXTURE_COORD_2 = $0D94;
  GL_MAP1_TEXTURE_COORD_3 = $0D95;
  GL_MAP1_TEXTURE_COORD_4 = $0D96;
  GL_MAP1_VERTEX_3 = $0D97;
  GL_MAP1_VERTEX_4 = $0D98;
  GL_MAP2_COLOR_4 = $0DB0;
  GL_MAP2_INDEX = $0DB1;
  GL_MAP2_NORMAL = $0DB2;
  GL_MAP2_TEXTURE_COORD_1 = $0DB3;
  GL_MAP2_TEXTURE_COORD_2 = $0DB4;
  GL_MAP2_TEXTURE_COORD_3 = $0DB5;
  GL_MAP2_TEXTURE_COORD_4 = $0DB6;
  GL_MAP2_VERTEX_3 = $0DB7;
  GL_MAP2_VERTEX_4 = $0DB8;
  GL_MAP1_GRID_DOMAIN = $0DD0;
  GL_MAP1_GRID_SEGMENTS = $0DD1;
  GL_MAP2_GRID_DOMAIN = $0DD2;
  GL_MAP2_GRID_SEGMENTS = $0DD3;
  GL_FEEDBACK_BUFFER_POINTER = $0DF0;
  GL_FEEDBACK_BUFFER_SIZE = $0DF1;
  GL_FEEDBACK_BUFFER_TYPE = $0DF2;
  GL_SELECTION_BUFFER_POINTER = $0DF3;
  GL_SELECTION_BUFFER_SIZE = $0DF4;
  GL_LIGHT0 = $4000;
  GL_LIGHT1 = $4001;
  GL_LIGHT2 = $4002;
  GL_LIGHT3 = $4003;
  GL_LIGHT4 = $4004;
  GL_LIGHT5 = $4005;
  GL_LIGHT6 = $4006;
  GL_LIGHT7 = $4007;
  GL_AMBIENT = $1200;
  GL_DIFFUSE = $1201;
  GL_SPECULAR = $1202;
  GL_POSITION = $1203;
  GL_SPOT_DIRECTION = $1204;
  GL_SPOT_EXPONENT = $1205;
  GL_SPOT_CUTOFF = $1206;
  GL_CONSTANT_ATTENUATION = $1207;
  GL_LINEAR_ATTENUATION = $1208;
  GL_QUADRATIC_ATTENUATION = $1209;
  GL_COMPILE = $1300;
  GL_COMPILE_AND_EXECUTE = $1301;
  GL_EMISSION = $1600;
  GL_SHININESS = $1601;
  GL_AMBIENT_AND_DIFFUSE = $1602;
  GL_COLOR_INDEXES = $1603;
  GL_MODELVIEW = $1700;
  GL_PROJECTION = $1701;
  GL_COLOR_INDEX = $1900;
  GL_LUMINANCE = $1909;
  GL_LUMINANCE_ALPHA = $190A;
  GL_BITMAP = $1A00;
  GL_RENDER = $1C00;
  GL_FEEDBACK = $1C01;
  GL_SELECT = $1C02;
  GL_FLAT = $1D00;
  GL_SMOOTH = $1D01;
  GL_S = $2000;
  GL_T = $2001;
  GL_R = $2002;
  GL_Q = $2003;
  GL_MODULATE = $2100;
  GL_DECAL = $2101;
  GL_TEXTURE_ENV_MODE = $2200;
  GL_TEXTURE_ENV_COLOR = $2201;
  GL_TEXTURE_ENV = $2300;
  GL_EYE_LINEAR = $2400;
  GL_OBJECT_LINEAR = $2401;
  GL_SPHERE_MAP = $2402;
  GL_TEXTURE_GEN_MODE = $2500;
  GL_OBJECT_PLANE = $2501;
  GL_EYE_PLANE = $2502;
  GL_CLAMP = $2900;
  GL_CLIENT_PIXEL_STORE_BIT = $00000001;
  GL_CLIENT_VERTEX_ARRAY_BIT = $00000002;
  GL_CLIENT_ALL_ATTRIB_BITS = $FFFFFFFF;
  GL_ALPHA4 = $803B;
  GL_ALPHA8 = $803C;
  GL_ALPHA12 = $803D;
  GL_ALPHA16 = $803E;
  GL_LUMINANCE4 = $803F;
  GL_LUMINANCE8 = $8040;
  GL_LUMINANCE12 = $8041;
  GL_LUMINANCE16 = $8042;
  GL_LUMINANCE4_ALPHA4 = $8043;
  GL_LUMINANCE6_ALPHA2 = $8044;
  GL_LUMINANCE8_ALPHA8 = $8045;
  GL_LUMINANCE12_ALPHA4 = $8046;
  GL_LUMINANCE12_ALPHA12 = $8047;
  GL_LUMINANCE16_ALPHA16 = $8048;
  GL_INTENSITY = $8049;
  GL_INTENSITY4 = $804A;
  GL_INTENSITY8 = $804B;
  GL_INTENSITY12 = $804C;
  GL_INTENSITY16 = $804D;
  GL_TEXTURE_LUMINANCE_SIZE = $8060;
  GL_TEXTURE_INTENSITY_SIZE = $8061;
  GL_TEXTURE_PRIORITY = $8066;
  GL_TEXTURE_RESIDENT = $8067;
  GL_VERTEX_ARRAY = $8074;
  GL_NORMAL_ARRAY = $8075;
  GL_COLOR_ARRAY = $8076;
  GL_INDEX_ARRAY = $8077;
  GL_TEXTURE_COORD_ARRAY = $8078;
  GL_EDGE_FLAG_ARRAY = $8079;
  GL_VERTEX_ARRAY_SIZE = $807A;
  GL_VERTEX_ARRAY_TYPE = $807B;
  GL_VERTEX_ARRAY_STRIDE = $807C;
  GL_NORMAL_ARRAY_TYPE = $807E;
  GL_NORMAL_ARRAY_STRIDE = $807F;
  GL_COLOR_ARRAY_SIZE = $8081;
  GL_COLOR_ARRAY_TYPE = $8082;
  GL_COLOR_ARRAY_STRIDE = $8083;
  GL_INDEX_ARRAY_TYPE = $8085;
  GL_INDEX_ARRAY_STRIDE = $8086;
  GL_TEXTURE_COORD_ARRAY_SIZE = $8088;
  GL_TEXTURE_COORD_ARRAY_TYPE = $8089;
  GL_TEXTURE_COORD_ARRAY_STRIDE = $808A;
  GL_EDGE_FLAG_ARRAY_STRIDE = $808C;
  GL_VERTEX_ARRAY_POINTER = $808E;
  GL_NORMAL_ARRAY_POINTER = $808F;
  GL_COLOR_ARRAY_POINTER = $8090;
  GL_INDEX_ARRAY_POINTER = $8091;
  GL_TEXTURE_COORD_ARRAY_POINTER = $8092;
  GL_EDGE_FLAG_ARRAY_POINTER = $8093;
  GL_V2F = $2A20;
  GL_V3F = $2A21;
  GL_C4UB_V2F = $2A22;
  GL_C4UB_V3F = $2A23;
  GL_C3F_V3F = $2A24;
  GL_N3F_V3F = $2A25;
  GL_C4F_N3F_V3F = $2A26;
  GL_T2F_V3F = $2A27;
  GL_T4F_V4F = $2A28;
  GL_T2F_C4UB_V3F = $2A29;
  GL_T2F_C3F_V3F = $2A2A;
  GL_T2F_N3F_V3F = $2A2B;
  GL_T2F_C4F_N3F_V3F = $2A2C;
  GL_T4F_C4F_N3F_V4F = $2A2D;
  GL_COLOR_TABLE_FORMAT_EXT = $80D8;
  GL_COLOR_TABLE_WIDTH_EXT = $80D9;
  GL_COLOR_TABLE_RED_SIZE_EXT = $80DA;
  GL_COLOR_TABLE_GREEN_SIZE_EXT = $80DB;
  GL_COLOR_TABLE_BLUE_SIZE_EXT = $80DC;
  GL_COLOR_TABLE_ALPHA_SIZE_EXT = $80DD;
  GL_COLOR_TABLE_LUMINANCE_SIZE_EXT = $80DE;
  GL_COLOR_TABLE_INTENSITY_SIZE_EXT = $80DF;
  GL_LOGIC_OP = GL_INDEX_LOGIC_OP;
  GL_TEXTURE_COMPONENTS = GL_TEXTURE_INTERNAL_FORMAT;
  // end deprecated

  // GL_VERSION_1_2
  GL_UNSIGNED_BYTE_3_3_2 = $8032;
  GL_UNSIGNED_SHORT_4_4_4_4 = $8033;
  GL_UNSIGNED_SHORT_5_5_5_1 = $8034;
  GL_UNSIGNED_INT_8_8_8_8 = $8035;
  GL_UNSIGNED_INT_10_10_10_2 = $8036;
  GL_TEXTURE_BINDING_3D = $806A;
  GL_PACK_SKIP_IMAGES = $806B;
  GL_PACK_IMAGE_HEIGHT = $806C;
  GL_UNPACK_SKIP_IMAGES = $806D;
  GL_UNPACK_IMAGE_HEIGHT = $806E;
  GL_TEXTURE_3D = $806F;
  GL_PROXY_TEXTURE_3D = $8070;
  GL_TEXTURE_DEPTH = $8071;
  GL_TEXTURE_WRAP_R = $8072;
  GL_MAX_3D_TEXTURE_SIZE = $8073;
  GL_UNSIGNED_BYTE_2_3_3_REV = $8362;
  GL_UNSIGNED_SHORT_5_6_5 = $8363;
  GL_UNSIGNED_SHORT_5_6_5_REV = $8364;
  GL_UNSIGNED_SHORT_4_4_4_4_REV = $8365;
  GL_UNSIGNED_SHORT_1_5_5_5_REV = $8366;
  GL_UNSIGNED_INT_8_8_8_8_REV = $8367;
  GL_UNSIGNED_INT_2_10_10_10_REV = $8368;
  GL_BGR = $80E0;
  GL_BGRA = $80E1;
  GL_MAX_ELEMENTS_VERTICES = $80E8;
  GL_MAX_ELEMENTS_INDICES = $80E9;
  GL_CLAMP_TO_EDGE = $812F;
  GL_TEXTURE_MIN_LOD = $813A;
  GL_TEXTURE_MAX_LOD = $813B;
  GL_TEXTURE_BASE_LEVEL = $813C;
  GL_TEXTURE_MAX_LEVEL = $813D;
  GL_SMOOTH_POINT_SIZE_RANGE = $0B12;
  GL_SMOOTH_POINT_SIZE_GRANULARITY = $0B13;
  GL_SMOOTH_LINE_WIDTH_RANGE = $0B22;
  GL_SMOOTH_LINE_WIDTH_GRANULARITY = $0B23;
  GL_ALIASED_LINE_WIDTH_RANGE = $846E;
  // deprecated
  GL_RESCALE_NORMAL = $803A;
  GL_LIGHT_MODEL_COLOR_CONTROL = $81F8;
  GL_SINGLE_COLOR = $81F9;
  GL_SEPARATE_SPECULAR_COLOR = $81FA;
  GL_ALIASED_POINT_SIZE_RANGE = $846D;
  // end deprecated

  // GL_VERSION_1_3
  GL_TEXTURE0 = $84C0;
  GL_TEXTURE1 = $84C1;
  GL_TEXTURE2 = $84C2;
  GL_TEXTURE3 = $84C3;
  GL_TEXTURE4 = $84C4;
  GL_TEXTURE5 = $84C5;
  GL_TEXTURE6 = $84C6;
  GL_TEXTURE7 = $84C7;
  GL_TEXTURE8 = $84C8;
  GL_TEXTURE9 = $84C9;
  GL_TEXTURE10 = $84CA;
  GL_TEXTURE11 = $84CB;
  GL_TEXTURE12 = $84CC;
  GL_TEXTURE13 = $84CD;
  GL_TEXTURE14 = $84CE;
  GL_TEXTURE15 = $84CF;
  GL_TEXTURE16 = $84D0;
  GL_TEXTURE17 = $84D1;
  GL_TEXTURE18 = $84D2;
  GL_TEXTURE19 = $84D3;
  GL_TEXTURE20 = $84D4;
  GL_TEXTURE21 = $84D5;
  GL_TEXTURE22 = $84D6;
  GL_TEXTURE23 = $84D7;
  GL_TEXTURE24 = $84D8;
  GL_TEXTURE25 = $84D9;
  GL_TEXTURE26 = $84DA;
  GL_TEXTURE27 = $84DB;
  GL_TEXTURE28 = $84DC;
  GL_TEXTURE29 = $84DD;
  GL_TEXTURE30 = $84DE;
  GL_TEXTURE31 = $84DF;
  GL_ACTIVE_TEXTURE = $84E0;
  GL_MULTISAMPLE = $809D;
  GL_SAMPLE_ALPHA_TO_COVERAGE = $809E;
  GL_SAMPLE_ALPHA_TO_ONE = $809F;
  GL_SAMPLE_COVERAGE = $80A0;
  GL_SAMPLE_BUFFERS = $80A8;
  GL_SAMPLES = $80A9;
  GL_SAMPLE_COVERAGE_VALUE = $80AA;
  GL_SAMPLE_COVERAGE_INVERT = $80AB;
  GL_TEXTURE_CUBE_MAP = $8513;
  GL_TEXTURE_BINDING_CUBE_MAP = $8514;
  GL_TEXTURE_CUBE_MAP_POSITIVE_X = $8515;
  GL_TEXTURE_CUBE_MAP_NEGATIVE_X = $8516;
  GL_TEXTURE_CUBE_MAP_POSITIVE_Y = $8517;
  GL_TEXTURE_CUBE_MAP_NEGATIVE_Y = $8518;
  GL_TEXTURE_CUBE_MAP_POSITIVE_Z = $8519;
  GL_TEXTURE_CUBE_MAP_NEGATIVE_Z = $851A;
  GL_PROXY_TEXTURE_CUBE_MAP = $851B;
  GL_MAX_CUBE_MAP_TEXTURE_SIZE = $851C;
  GL_COMPRESSED_RGB = $84ED;
  GL_COMPRESSED_RGBA = $84EE;
  GL_TEXTURE_COMPRESSION_HINT = $84EF;
  GL_TEXTURE_COMPRESSED_IMAGE_SIZE = $86A0;
  GL_TEXTURE_COMPRESSED = $86A1;
  GL_NUM_COMPRESSED_TEXTURE_FORMATS = $86A2;
  GL_COMPRESSED_TEXTURE_FORMATS = $86A3;
  GL_CLAMP_TO_BORDER = $812D;
  // deprecated
  GL_CLIENT_ACTIVE_TEXTURE = $84E1;
  GL_MAX_TEXTURE_UNITS = $84E2;
  GL_TRANSPOSE_MODELVIEW_MATRIX = $84E3;
  GL_TRANSPOSE_PROJECTION_MATRIX = $84E4;
  GL_TRANSPOSE_TEXTURE_MATRIX = $84E5;
  GL_TRANSPOSE_COLOR_MATRIX = $84E6;
  GL_MULTISAMPLE_BIT = $20000000;
  GL_NORMAL_MAP = $8511;
  GL_REFLECTION_MAP = $8512;
  GL_COMPRESSED_ALPHA = $84E9;
  GL_COMPRESSED_LUMINANCE = $84EA;
  GL_COMPRESSED_LUMINANCE_ALPHA = $84EB;
  GL_COMPRESSED_INTENSITY = $84EC;
  GL_COMBINE = $8570;
  GL_COMBINE_RGB = $8571;
  GL_COMBINE_ALPHA = $8572;
  GL_SOURCE0_RGB = $8580;
  GL_SOURCE1_RGB = $8581;
  GL_SOURCE2_RGB = $8582;
  GL_SOURCE0_ALPHA = $8588;
  GL_SOURCE1_ALPHA = $8589;
  GL_SOURCE2_ALPHA = $858A;
  GL_OPERAND0_RGB = $8590;
  GL_OPERAND1_RGB = $8591;
  GL_OPERAND2_RGB = $8592;
  GL_OPERAND0_ALPHA = $8598;
  GL_OPERAND1_ALPHA = $8599;
  GL_OPERAND2_ALPHA = $859A;
  GL_RGB_SCALE = $8573;
  GL_ADD_SIGNED = $8574;
  GL_INTERPOLATE = $8575;
  GL_SUBTRACT = $84E7;
  GL_CONSTANT = $8576;
  GL_PRIMARY_COLOR = $8577;
  GL_PREVIOUS = $8578;
  GL_DOT3_RGB = $86AE;
  GL_DOT3_RGBA = $86AF;
  // end deprecated

  // GL_VERSION_1_4
  GL_BLEND_DST_RGB = $80C8;
  GL_BLEND_SRC_RGB = $80C9;
  GL_BLEND_DST_ALPHA = $80CA;
  GL_BLEND_SRC_ALPHA = $80CB;
  GL_POINT_FADE_THRESHOLD_SIZE = $8128;
  GL_DEPTH_COMPONENT16 = $81A5;
  GL_DEPTH_COMPONENT24 = $81A6;
  GL_DEPTH_COMPONENT32 = $81A7;
  GL_MIRRORED_REPEAT = $8370;
  GL_MAX_TEXTURE_LOD_BIAS = $84FD;
  GL_TEXTURE_LOD_BIAS = $8501;
  GL_INCR_WRAP = $8507;
  GL_DECR_WRAP = $8508;
  GL_TEXTURE_DEPTH_SIZE = $884A;
  GL_TEXTURE_COMPARE_MODE = $884C;
  GL_TEXTURE_COMPARE_FUNC = $884D;
  // deprecated
  GL_POINT_SIZE_MIN = $8126;
  GL_POINT_SIZE_MAX = $8127;
  GL_POINT_DISTANCE_ATTENUATION = $8129;
  GL_GENERATE_MIPMAP = $8191;
  GL_GENERATE_MIPMAP_HINT = $8192;
  GL_FOG_COORDINATE_SOURCE = $8450;
  GL_FOG_COORDINATE = $8451;
  GL_FRAGMENT_DEPTH = $8452;
  GL_CURRENT_FOG_COORDINATE = $8453;
  GL_FOG_COORDINATE_ARRAY_TYPE = $8454;
  GL_FOG_COORDINATE_ARRAY_STRIDE = $8455;
  GL_FOG_COORDINATE_ARRAY_POINTER = $8456;
  GL_FOG_COORDINATE_ARRAY = $8457;
  GL_COLOR_SUM = $8458;
  GL_CURRENT_SECONDARY_COLOR = $8459;
  GL_SECONDARY_COLOR_ARRAY_SIZE = $845A;
  GL_SECONDARY_COLOR_ARRAY_TYPE = $845B;
  GL_SECONDARY_COLOR_ARRAY_STRIDE = $845C;
  GL_SECONDARY_COLOR_ARRAY_POINTER = $845D;
  GL_SECONDARY_COLOR_ARRAY = $845E;
  GL_TEXTURE_FILTER_CONTROL = $8500;
  GL_DEPTH_TEXTURE_MODE = $884B;
  GL_COMPARE_R_TO_TEXTURE = $884E;
  // end deprecated

  // GL_VERSION_1_5
  GL_BUFFER_SIZE = $8764;
  GL_BUFFER_USAGE = $8765;
  GL_QUERY_COUNTER_BITS = $8864;
  GL_CURRENT_QUERY = $8865;
  GL_QUERY_RESULT = $8866;
  GL_QUERY_RESULT_AVAILABLE = $8867;
  GL_ARRAY_BUFFER = $8892;
  GL_ELEMENT_ARRAY_BUFFER = $8893;
  GL_ARRAY_BUFFER_BINDING = $8894;
  GL_ELEMENT_ARRAY_BUFFER_BINDING = $8895;
  GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING = $889F;
  GL_READ_ONLY = $88B8;
  GL_WRITE_ONLY = $88B9;
  GL_READ_WRITE = $88BA;
  GL_BUFFER_ACCESS = $88BB;
  GL_BUFFER_MAPPED = $88BC;
  GL_BUFFER_MAP_POINTER = $88BD;
  GL_STREAM_DRAW = $88E0;
  GL_STREAM_READ = $88E1;
  GL_STREAM_COPY = $88E2;
  GL_STATIC_DRAW = $88E4;
  GL_STATIC_READ = $88E5;
  GL_STATIC_COPY = $88E6;
  GL_DYNAMIC_DRAW = $88E8;
  GL_DYNAMIC_READ = $88E9;
  GL_DYNAMIC_COPY = $88EA;
  GL_SAMPLES_PASSED = $8914;
  // deprecated
  GL_VERTEX_ARRAY_BUFFER_BINDING = $8896;
  GL_NORMAL_ARRAY_BUFFER_BINDING = $8897;
  GL_COLOR_ARRAY_BUFFER_BINDING = $8898;
  GL_INDEX_ARRAY_BUFFER_BINDING = $8899;
  GL_TEXTURE_COORD_ARRAY_BUFFER_BINDING = $889A;
  GL_EDGE_FLAG_ARRAY_BUFFER_BINDING = $889B;
  GL_SECONDARY_COLOR_ARRAY_BUFFER_BINDING = $889C;
  GL_FOG_COORDINATE_ARRAY_BUFFER_BINDING = $889D;
  GL_WEIGHT_ARRAY_BUFFER_BINDING = $889E;
  GL_FOG_COORD_SRC = $8450;
  GL_FOG_COORD = $8451;
  GL_CURRENT_FOG_COORD = $8453;
  GL_FOG_COORD_ARRAY_TYPE = $8454;
  GL_FOG_COORD_ARRAY_STRIDE = $8455;
  GL_FOG_COORD_ARRAY_POINTER = $8456;
  GL_FOG_COORD_ARRAY = $8457;
  GL_FOG_COORD_ARRAY_BUFFER_BINDING = $889D;
  GL_SRC0_RGB = $8580;
  GL_SRC1_RGB = $8581;
  GL_SRC2_RGB = $8582;
  GL_SRC0_ALPHA = $8588;
  GL_SRC1_ALPHA = $8589;
  GL_SRC2_ALPHA = $858A;
  // end deprecated

  // GL_VERSION_2_0
  GL_BLEND_EQUATION_RGB = $8009;
  GL_VERTEX_ATTRIB_ARRAY_ENABLED = $8622;
  GL_VERTEX_ATTRIB_ARRAY_SIZE = $8623;
  GL_VERTEX_ATTRIB_ARRAY_STRIDE = $8624;
  GL_VERTEX_ATTRIB_ARRAY_TYPE = $8625;
  GL_CURRENT_VERTEX_ATTRIB = $8626;
  GL_VERTEX_PROGRAM_POINT_SIZE = $8642;
  GL_VERTEX_ATTRIB_ARRAY_POINTER = $8645;
  GL_STENCIL_BACK_FUNC = $8800;
  GL_STENCIL_BACK_FAIL = $8801;
  GL_STENCIL_BACK_PASS_DEPTH_FAIL = $8802;
  GL_STENCIL_BACK_PASS_DEPTH_PASS = $8803;
  GL_MAX_DRAW_BUFFERS = $8824;
  GL_DRAW_BUFFER0 = $8825;
  GL_DRAW_BUFFER1 = $8826;
  GL_DRAW_BUFFER2 = $8827;
  GL_DRAW_BUFFER3 = $8828;
  GL_DRAW_BUFFER4 = $8829;
  GL_DRAW_BUFFER5 = $882A;
  GL_DRAW_BUFFER6 = $882B;
  GL_DRAW_BUFFER7 = $882C;
  GL_DRAW_BUFFER8 = $882D;
  GL_DRAW_BUFFER9 = $882E;
  GL_DRAW_BUFFER10 = $882F;
  GL_DRAW_BUFFER11 = $8830;
  GL_DRAW_BUFFER12 = $8831;
  GL_DRAW_BUFFER13 = $8832;
  GL_DRAW_BUFFER14 = $8833;
  GL_DRAW_BUFFER15 = $8834;
  GL_BLEND_EQUATION_ALPHA = $883D;
  GL_MAX_VERTEX_ATTRIBS = $8869;
  GL_VERTEX_ATTRIB_ARRAY_NORMALIZED = $886A;
  GL_MAX_TEXTURE_IMAGE_UNITS = $8872;
  GL_FRAGMENT_SHADER = $8B30;
  GL_VERTEX_SHADER = $8B31;
  GL_MAX_FRAGMENT_UNIFORM_COMPONENTS = $8B49;
  GL_MAX_VERTEX_UNIFORM_COMPONENTS = $8B4A;
  GL_MAX_VARYING_FLOATS = $8B4B;
  GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS = $8B4C;
  GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS = $8B4D;
  GL_SHADER_TYPE = $8B4F;
  GL_FLOAT_VEC2 = $8B50;
  GL_FLOAT_VEC3 = $8B51;
  GL_FLOAT_VEC4 = $8B52;
  GL_INT_VEC2 = $8B53;
  GL_INT_VEC3 = $8B54;
  GL_INT_VEC4 = $8B55;
  GL_BOOL = $8B56;
  GL_BOOL_VEC2 = $8B57;
  GL_BOOL_VEC3 = $8B58;
  GL_BOOL_VEC4 = $8B59;
  GL_FLOAT_MAT2 = $8B5A;
  GL_FLOAT_MAT3 = $8B5B;
  GL_FLOAT_MAT4 = $8B5C;
  GL_SAMPLER_1D = $8B5D;
  GL_SAMPLER_2D = $8B5E;
  GL_SAMPLER_3D = $8B5F;
  GL_SAMPLER_CUBE = $8B60;
  GL_SAMPLER_1D_SHADOW = $8B61;
  GL_SAMPLER_2D_SHADOW = $8B62;
  GL_DELETE_STATUS = $8B80;
  GL_COMPILE_STATUS = $8B81;
  GL_LINK_STATUS = $8B82;
  GL_VALIDATE_STATUS = $8B83;
  GL_INFO_LOG_LENGTH = $8B84;
  GL_ATTACHED_SHADERS = $8B85;
  GL_ACTIVE_UNIFORMS = $8B86;
  GL_ACTIVE_UNIFORM_MAX_LENGTH = $8B87;
  GL_SHADER_SOURCE_LENGTH = $8B88;
  GL_ACTIVE_ATTRIBUTES = $8B89;
  GL_ACTIVE_ATTRIBUTE_MAX_LENGTH = $8B8A;
  GL_FRAGMENT_SHADER_DERIVATIVE_HINT = $8B8B;
  GL_SHADING_LANGUAGE_VERSION = $8B8C;
  GL_CURRENT_PROGRAM = $8B8D;
  GL_POINT_SPRITE_COORD_ORIGIN = $8CA0;
  GL_LOWER_LEFT = $8CA1;
  GL_UPPER_LEFT = $8CA2;
  GL_STENCIL_BACK_REF = $8CA3;
  GL_STENCIL_BACK_VALUE_MASK = $8CA4;
  GL_STENCIL_BACK_WRITEMASK = $8CA5;
  // deprecated
  GL_VERTEX_PROGRAM_TWO_SIDE = $8643;
  GL_POINT_SPRITE = $8861;
  GL_COORD_REPLACE = $8862;
  GL_MAX_TEXTURE_COORDS = $8871;
  // end deprecated

  // GL_VERSION_2_1
  GL_PIXEL_PACK_BUFFER = $88EB;
  GL_PIXEL_UNPACK_BUFFER = $88EC;
  GL_PIXEL_PACK_BUFFER_BINDING = $88ED;
  GL_PIXEL_UNPACK_BUFFER_BINDING = $88EF;
  GL_FLOAT_MAT2x3 = $8B65;
  GL_FLOAT_MAT2x4 = $8B66;
  GL_FLOAT_MAT3x2 = $8B67;
  GL_FLOAT_MAT3x4 = $8B68;
  GL_FLOAT_MAT4x2 = $8B69;
  GL_FLOAT_MAT4x3 = $8B6A;
  GL_SRGB = $8C40;
  GL_SRGB8 = $8C41;
  GL_SRGB_ALPHA = $8C42;
  GL_SRGB8_ALPHA8 = $8C43;
  GL_COMPRESSED_SRGB = $8C48;
  GL_COMPRESSED_SRGB_ALPHA = $8C49;
  // deprecated
  GL_CURRENT_RASTER_SECONDARY_COLOR = $845F;
  GL_SLUMINANCE_ALPHA = $8C44;
  GL_SLUMINANCE8_ALPHA8 = $8C45;
  GL_SLUMINANCE = $8C46;
  GL_SLUMINANCE8 = $8C47;
  GL_COMPRESSED_SLUMINANCE = $8C4A;
  GL_COMPRESSED_SLUMINANCE_ALPHA = $8C4B;
  // end deprecated

  // GL_VERSION_3_0
  GL_COMPARE_REF_TO_TEXTURE = $884E;
  GL_CLIP_DISTANCE0 = $3000;
  GL_CLIP_DISTANCE1 = $3001;
  GL_CLIP_DISTANCE2 = $3002;
  GL_CLIP_DISTANCE3 = $3003;
  GL_CLIP_DISTANCE4 = $3004;
  GL_CLIP_DISTANCE5 = $3005;
  GL_CLIP_DISTANCE6 = $3006;
  GL_CLIP_DISTANCE7 = $3007;
  GL_MAX_CLIP_DISTANCES = $0D32;
  GL_MAJOR_VERSION = $821B;
  GL_MINOR_VERSION = $821C;
  GL_NUM_EXTENSIONS = $821D;
  GL_CONTEXT_FLAGS = $821E;
  GL_DEPTH_BUFFER = $8223;
  GL_STENCIL_BUFFER = $8224;
  GL_COMPRESSED_RED = $8225;
  GL_COMPRESSED_RG = $8226;
  GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT = $0001;
  GL_RGBA32F = $8814;
  GL_RGB32F = $8815;
  GL_RGBA16F = $881A;
  GL_RGB16F = $881B;
  GL_VERTEX_ATTRIB_ARRAY_INTEGER = $88FD;
  GL_MAX_ARRAY_TEXTURE_LAYERS = $88FF;
  GL_MIN_PROGRAM_TEXEL_OFFSET = $8904;
  GL_MAX_PROGRAM_TEXEL_OFFSET = $8905;
  GL_CLAMP_READ_COLOR = $891C;
  GL_FIXED_ONLY = $891D;
  GL_MAX_VARYING_COMPONENTS = $8B4B;
  GL_TEXTURE_1D_ARRAY = $8C18;
  GL_PROXY_TEXTURE_1D_ARRAY = $8C19;
  GL_TEXTURE_2D_ARRAY = $8C1A;
  GL_PROXY_TEXTURE_2D_ARRAY = $8C1B;
  GL_TEXTURE_BINDING_1D_ARRAY = $8C1C;
  GL_TEXTURE_BINDING_2D_ARRAY = $8C1D;
  GL_R11F_G11F_B10F = $8C3A;
  GL_UNSIGNED_INT_10F_11F_11F_REV = $8C3B;
  GL_RGB9_E5 = $8C3D;
  GL_UNSIGNED_INT_5_9_9_9_REV = $8C3E;
  GL_TEXTURE_SHARED_SIZE = $8C3F;
  GL_TRANSFORM_FEEDBACK_VARYING_MAX_LENGTH = $8C76;
  GL_TRANSFORM_FEEDBACK_BUFFER_MODE = $8C7F;
  GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_COMPONENTS = $8C80;
  GL_TRANSFORM_FEEDBACK_VARYINGS = $8C83;
  GL_TRANSFORM_FEEDBACK_BUFFER_START = $8C84;
  GL_TRANSFORM_FEEDBACK_BUFFER_SIZE = $8C85;
  GL_PRIMITIVES_GENERATED = $8C87;
  GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN = $8C88;
  GL_RASTERIZER_DISCARD = $8C89;
  GL_MAX_TRANSFORM_FEEDBACK_INTERLEAVED_COMPONENTS = $8C8A;
  GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS = $8C8B;
  GL_INTERLEAVED_ATTRIBS = $8C8C;
  GL_SEPARATE_ATTRIBS = $8C8D;
  GL_TRANSFORM_FEEDBACK_BUFFER = $8C8E;
  GL_TRANSFORM_FEEDBACK_BUFFER_BINDING = $8C8F;
  GL_RGBA32UI = $8D70;
  GL_RGB32UI = $8D71;
  GL_RGBA16UI = $8D76;
  GL_RGB16UI = $8D77;
  GL_RGBA8UI = $8D7C;
  GL_RGB8UI = $8D7D;
  GL_RGBA32I = $8D82;
  GL_RGB32I = $8D83;
  GL_RGBA16I = $8D88;
  GL_RGB16I = $8D89;
  GL_RGBA8I = $8D8E;
  GL_RGB8I = $8D8F;
  GL_RED_INTEGER = $8D94;
  GL_GREEN_INTEGER = $8D95;
  GL_BLUE_INTEGER = $8D96;
  GL_RGB_INTEGER = $8D98;
  GL_RGBA_INTEGER = $8D99;
  GL_BGR_INTEGER = $8D9A;
  GL_BGRA_INTEGER = $8D9B;
  GL_SAMPLER_1D_ARRAY = $8DC0;
  GL_SAMPLER_2D_ARRAY = $8DC1;
  GL_SAMPLER_1D_ARRAY_SHADOW = $8DC3;
  GL_SAMPLER_2D_ARRAY_SHADOW = $8DC4;
  GL_SAMPLER_CUBE_SHADOW = $8DC5;
  GL_UNSIGNED_INT_VEC2 = $8DC6;
  GL_UNSIGNED_INT_VEC3 = $8DC7;
  GL_UNSIGNED_INT_VEC4 = $8DC8;
  GL_INT_SAMPLER_1D = $8DC9;
  GL_INT_SAMPLER_2D = $8DCA;
  GL_INT_SAMPLER_3D = $8DCB;
  GL_INT_SAMPLER_CUBE = $8DCC;
  GL_INT_SAMPLER_1D_ARRAY = $8DCE;
  GL_INT_SAMPLER_2D_ARRAY = $8DCF;
  GL_UNSIGNED_INT_SAMPLER_1D = $8DD1;
  GL_UNSIGNED_INT_SAMPLER_2D = $8DD2;
  GL_UNSIGNED_INT_SAMPLER_3D = $8DD3;
  GL_UNSIGNED_INT_SAMPLER_CUBE = $8DD4;
  GL_UNSIGNED_INT_SAMPLER_1D_ARRAY = $8DD6;
  GL_UNSIGNED_INT_SAMPLER_2D_ARRAY = $8DD7;
  GL_QUERY_WAIT = $8E13;
  GL_QUERY_NO_WAIT = $8E14;
  GL_QUERY_BY_REGION_WAIT = $8E15;
  GL_QUERY_BY_REGION_NO_WAIT = $8E16;
  GL_BUFFER_ACCESS_FLAGS = $911F;
  GL_BUFFER_MAP_LENGTH = $9120;
  GL_BUFFER_MAP_OFFSET = $9121;
  { Reuse tokens from ARB_depth_buffer_float }
  { reuse GL_DEPTH_COMPONENT32F }
  { reuse GL_DEPTH32F_STENCIL8 }
  { reuse GL_FLOAT_32_UNSIGNED_INT_24_8_REV }
  { Reuse tokens from ARB_framebuffer_object }
  { reuse GL_INVALID_FRAMEBUFFER_OPERATION }
  { reuse GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING }
  { reuse GL_FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE }
  { reuse GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE }
  { reuse GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE }
  { reuse GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE }
  { reuse GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE }
  { reuse GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE }
  { reuse GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE }
  { reuse GL_FRAMEBUFFER_DEFAULT }
  { reuse GL_FRAMEBUFFER_UNDEFINED }
  { reuse GL_DEPTH_STENCIL_ATTACHMENT }
  { reuse GL_INDEX }
  { reuse GL_MAX_RENDERBUFFER_SIZE }
  { reuse GL_DEPTH_STENCIL }
  { reuse GL_UNSIGNED_INT_24_8 }
  { reuse GL_DEPTH24_STENCIL8 }
  { reuse GL_TEXTURE_STENCIL_SIZE }
  { reuse GL_TEXTURE_RED_TYPE }
  { reuse GL_TEXTURE_GREEN_TYPE }
  { reuse GL_TEXTURE_BLUE_TYPE }
  { reuse GL_TEXTURE_ALPHA_TYPE }
  { reuse GL_TEXTURE_DEPTH_TYPE }
  { reuse GL_UNSIGNED_NORMALIZED }
  { reuse GL_FRAMEBUFFER_BINDING }
  { reuse GL_DRAW_FRAMEBUFFER_BINDING }
  { reuse GL_RENDERBUFFER_BINDING }
  { reuse GL_READ_FRAMEBUFFER }
  { reuse GL_DRAW_FRAMEBUFFER }
  { reuse GL_READ_FRAMEBUFFER_BINDING }
  { reuse GL_RENDERBUFFER_SAMPLES }
  { reuse GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE }
  { reuse GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME }
  { reuse GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL }
  { reuse GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE }
  { reuse GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LAYER }
  { reuse GL_FRAMEBUFFER_COMPLETE }
  { reuse GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT }
  { reuse GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT }
  { reuse GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER }
  { reuse GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER }
  { reuse GL_FRAMEBUFFER_UNSUPPORTED }
  { reuse GL_MAX_COLOR_ATTACHMENTS }
  { reuse GL_COLOR_ATTACHMENT0 }
  { reuse GL_COLOR_ATTACHMENT1 }
  { reuse GL_COLOR_ATTACHMENT2 }
  { reuse GL_COLOR_ATTACHMENT3 }
  { reuse GL_COLOR_ATTACHMENT4 }
  { reuse GL_COLOR_ATTACHMENT5 }
  { reuse GL_COLOR_ATTACHMENT6 }
  { reuse GL_COLOR_ATTACHMENT7 }
  { reuse GL_COLOR_ATTACHMENT8 }
  { reuse GL_COLOR_ATTACHMENT9 }
  { reuse GL_COLOR_ATTACHMENT10 }
  { reuse GL_COLOR_ATTACHMENT11 }
  { reuse GL_COLOR_ATTACHMENT12 }
  { reuse GL_COLOR_ATTACHMENT13 }
  { reuse GL_COLOR_ATTACHMENT14 }
  { reuse GL_COLOR_ATTACHMENT15 }
  { reuse GL_DEPTH_ATTACHMENT }
  { reuse GL_STENCIL_ATTACHMENT }
  { reuse GL_FRAMEBUFFER }
  { reuse GL_RENDERBUFFER }
  { reuse GL_RENDERBUFFER_WIDTH }
  { reuse GL_RENDERBUFFER_HEIGHT }
  { reuse GL_RENDERBUFFER_INTERNAL_FORMAT }
  { reuse GL_STENCIL_INDEX1 }
  { reuse GL_STENCIL_INDEX4 }
  { reuse GL_STENCIL_INDEX8 }
  { reuse GL_STENCIL_INDEX16 }
  { reuse GL_RENDERBUFFER_RED_SIZE }
  { reuse GL_RENDERBUFFER_GREEN_SIZE }
  { reuse GL_RENDERBUFFER_BLUE_SIZE }
  { reuse GL_RENDERBUFFER_ALPHA_SIZE }
  { reuse GL_RENDERBUFFER_DEPTH_SIZE }
  { reuse GL_RENDERBUFFER_STENCIL_SIZE }
  { reuse GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE }
  { reuse GL_MAX_SAMPLES }
  { Reuse tokens from ARB_framebuffer_sRGB }
  { reuse GL_FRAMEBUFFER_SRGB }
  { Reuse tokens from ARB_half_float_vertex }
  { reuse GL_HALF_FLOAT }
  { Reuse tokens from ARB_map_buffer_range }
  { reuse GL_MAP_READ_BIT }
  { reuse GL_MAP_WRITE_BIT }
  { reuse GL_MAP_INVALIDATE_RANGE_BIT }
  { reuse GL_MAP_INVALIDATE_BUFFER_BIT }
  { reuse GL_MAP_FLUSH_EXPLICIT_BIT }
  { reuse GL_MAP_UNSYNCHRONIZED_BIT }
  { Reuse tokens from ARB_texture_compression_rgtc }
  { reuse GL_COMPRESSED_RED_RGTC1 }
  { reuse GL_COMPRESSED_SIGNED_RED_RGTC1 }
  { reuse GL_COMPRESSED_RG_RGTC2 }
  { reuse GL_COMPRESSED_SIGNED_RG_RGTC2 }
  { Reuse tokens from ARB_texture_rg }
  { reuse GL_RG }
  { reuse GL_RG_INTEGER }
  { reuse GL_R8 }
  { reuse GL_R16 }
  { reuse GL_RG8 }
  { reuse GL_RG16 }
  { reuse GL_R16F }
  { reuse GL_R32F }
  { reuse GL_RG16F }
  { reuse GL_RG32F }
  { reuse GL_R8I }
  { reuse GL_R8UI }
  { reuse GL_R16I }
  { reuse GL_R16UI }
  { reuse GL_R32I }
  { reuse GL_R32UI }
  { reuse GL_RG8I }
  { reuse GL_RG8UI }
  { reuse GL_RG16I }
  { reuse GL_RG16UI }
  { reuse GL_RG32I }
  { reuse GL_RG32UI }
  { Reuse tokens from ARB_vertex_array_object }
  { reuse GL_VERTEX_ARRAY_BINDING }
  // deprecated
  GL_CLAMP_VERTEX_COLOR = $891A;
  GL_CLAMP_FRAGMENT_COLOR = $891B;
  GL_ALPHA_INTEGER = $8D97;
  { Reuse tokens from ARB_framebuffer_object }
  { reuse GL_TEXTURE_LUMINANCE_TYPE }
  { reuse GL_TEXTURE_INTENSITY_TYPE }
  // end deprecated

  // GL_VERSION_3_1
  GL_SAMPLER_2D_RECT = $8B63;
  GL_SAMPLER_2D_RECT_SHADOW = $8B64;
  GL_SAMPLER_BUFFER = $8DC2;
  GL_INT_SAMPLER_2D_RECT = $8DCD;
  GL_INT_SAMPLER_BUFFER = $8DD0;
  GL_UNSIGNED_INT_SAMPLER_2D_RECT = $8DD5;
  GL_UNSIGNED_INT_SAMPLER_BUFFER = $8DD8;
  GL_TEXTURE_BUFFER = $8C2A;
  GL_MAX_TEXTURE_BUFFER_SIZE = $8C2B;
  GL_TEXTURE_BINDING_BUFFER = $8C2C;
  GL_TEXTURE_BUFFER_DATA_STORE_BINDING = $8C2D;
  GL_TEXTURE_BUFFER_FORMAT = $8C2E;
  GL_TEXTURE_RECTANGLE = $84F5;
  GL_TEXTURE_BINDING_RECTANGLE = $84F6;
  GL_PROXY_TEXTURE_RECTANGLE = $84F7;
  GL_MAX_RECTANGLE_TEXTURE_SIZE = $84F8;
  GL_RED_SNORM = $8F90;
  GL_RG_SNORM = $8F91;
  GL_RGB_SNORM = $8F92;
  GL_RGBA_SNORM = $8F93;
  GL_R8_SNORM = $8F94;
  GL_RG8_SNORM = $8F95;
  GL_RGB8_SNORM = $8F96;
  GL_RGBA8_SNORM = $8F97;
  GL_R16_SNORM = $8F98;
  GL_RG16_SNORM = $8F99;
  GL_RGB16_SNORM = $8F9A;
  GL_RGBA16_SNORM = $8F9B;
  GL_SIGNED_NORMALIZED = $8F9C;
  GL_PRIMITIVE_RESTART = $8F9D;
  GL_PRIMITIVE_RESTART_INDEX = $8F9E;
  { Reuse tokens from ARB_copy_buffer }
  { reuse GL_COPY_READ_BUFFER }
  { reuse GL_COPY_WRITE_BUFFER }
  { Reuse tokens from ARB_draw_instanced (none) }
  { Reuse tokens from ARB_uniform_buffer_object }
  { reuse GL_UNIFORM_BUFFER }
  { reuse GL_UNIFORM_BUFFER_BINDING }
  { reuse GL_UNIFORM_BUFFER_START }
  { reuse GL_UNIFORM_BUFFER_SIZE }
  { reuse GL_MAX_VERTEX_UNIFORM_BLOCKS }
  { reuse GL_MAX_FRAGMENT_UNIFORM_BLOCKS }
  { reuse GL_MAX_COMBINED_UNIFORM_BLOCKS }
  { reuse GL_MAX_UNIFORM_BUFFER_BINDINGS }
  { reuse GL_MAX_UNIFORM_BLOCK_SIZE }
  { reuse GL_MAX_COMBINED_VERTEX_UNIFORM_COMPONENTS }
  { reuse GL_MAX_COMBINED_FRAGMENT_UNIFORM_COMPONENTS }
  { reuse GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT }
  { reuse GL_ACTIVE_UNIFORM_BLOCK_MAX_NAME_LENGTH }
  { reuse GL_ACTIVE_UNIFORM_BLOCKS }
  { reuse GL_UNIFORM_TYPE }
  { reuse GL_UNIFORM_SIZE }
  { reuse GL_UNIFORM_NAME_LENGTH }
  { reuse GL_UNIFORM_BLOCK_INDEX }
  { reuse GL_UNIFORM_OFFSET }
  { reuse GL_UNIFORM_ARRAY_STRIDE }
  { reuse GL_UNIFORM_MATRIX_STRIDE }
  { reuse GL_UNIFORM_IS_ROW_MAJOR }
  { reuse GL_UNIFORM_BLOCK_BINDING }
  { reuse GL_UNIFORM_BLOCK_DATA_SIZE }
  { reuse GL_UNIFORM_BLOCK_NAME_LENGTH }
  { reuse GL_UNIFORM_BLOCK_ACTIVE_UNIFORMS }
  { reuse GL_UNIFORM_BLOCK_ACTIVE_UNIFORM_INDICES }
  { reuse GL_UNIFORM_BLOCK_REFERENCED_BY_VERTEX_SHADER }
  { reuse GL_UNIFORM_BLOCK_REFERENCED_BY_FRAGMENT_SHADER }
  { reuse GL_INVALID_INDEX }

  // GL_VERSION_3_2
  GL_CONTEXT_CORE_PROFILE_BIT = $00000001;
  GL_CONTEXT_COMPATIBILITY_PROFILE_BIT = $00000002;
  GL_LINES_ADJACENCY = $000A;
  GL_LINE_STRIP_ADJACENCY = $000B;
  GL_TRIANGLES_ADJACENCY = $000C;
  GL_TRIANGLE_STRIP_ADJACENCY = $000D;
  GL_PROGRAM_POINT_SIZE = $8642;
  GL_MAX_GEOMETRY_TEXTURE_IMAGE_UNITS = $8C29;
  GL_FRAMEBUFFER_ATTACHMENT_LAYERED = $8DA7;
  GL_FRAMEBUFFER_INCOMPLETE_LAYER_TARGETS = $8DA8;
  GL_GEOMETRY_SHADER = $8DD9;
  GL_GEOMETRY_VERTICES_OUT = $8916;
  GL_GEOMETRY_INPUT_TYPE = $8917;
  GL_GEOMETRY_OUTPUT_TYPE = $8918;
  GL_MAX_GEOMETRY_UNIFORM_COMPONENTS = $8DDF;
  GL_MAX_GEOMETRY_OUTPUT_VERTICES = $8DE0;
  GL_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS = $8DE1;
  GL_MAX_VERTEX_OUTPUT_COMPONENTS = $9122;
  GL_MAX_GEOMETRY_INPUT_COMPONENTS = $9123;
  GL_MAX_GEOMETRY_OUTPUT_COMPONENTS = $9124;
  GL_MAX_FRAGMENT_INPUT_COMPONENTS = $9125;
  GL_CONTEXT_PROFILE_MASK = $9126;
  { reuse GL_MAX_VARYING_COMPONENTS }
  { reuse GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LAYER }
  { Reuse tokens from ARB_depth_clamp }
  { reuse GL_DEPTH_CLAMP }
  { Reuse tokens from ARB_draw_elements_base_vertex (none) }
  { Reuse tokens from ARB_fragment_coord_conventions (none) }
  { Reuse tokens from ARB_provoking_vertex }
  { reuse GL_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION }
  { reuse GL_FIRST_VERTEX_CONVENTION }
  { reuse GL_LAST_VERTEX_CONVENTION }
  { reuse GL_PROVOKING_VERTEX }
  { Reuse tokens from ARB_seamless_cube_map }
  { reuse GL_TEXTURE_CUBE_MAP_SEAMLESS }
  { Reuse tokens from ARB_sync }
  { reuse GL_MAX_SERVER_WAIT_TIMEOUT }
  { reuse GL_OBJECT_TYPE }
  { reuse GL_SYNC_CONDITION }
  { reuse GL_SYNC_STATUS }
  { reuse GL_SYNC_FLAGS }
  { reuse GL_SYNC_FENCE }
  { reuse GL_SYNC_GPU_COMMANDS_COMPLETE }
  { reuse GL_UNSIGNALED }
  { reuse GL_SIGNALED }
  { reuse GL_ALREADY_SIGNALED }
  { reuse GL_TIMEOUT_EXPIRED }
  { reuse GL_CONDITION_SATISFIED }
  { reuse GL_WAIT_FAILED }
  { reuse GL_TIMEOUT_IGNORED }
  { reuse GL_SYNC_FLUSH_COMMANDS_BIT }
  { reuse GL_TIMEOUT_IGNORED }
  { Reuse tokens from ARB_texture_multisample }
  { reuse GL_SAMPLE_POSITION }
  { reuse GL_SAMPLE_MASK }
  { reuse GL_SAMPLE_MASK_VALUE }
  { reuse GL_MAX_SAMPLE_MASK_WORDS }
  { reuse GL_TEXTURE_2D_MULTISAMPLE }
  { reuse GL_PROXY_TEXTURE_2D_MULTISAMPLE }
  { reuse GL_TEXTURE_2D_MULTISAMPLE_ARRAY }
  { reuse GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY }
  { reuse GL_TEXTURE_BINDING_2D_MULTISAMPLE }
  { reuse GL_TEXTURE_BINDING_2D_MULTISAMPLE_ARRAY }
  { reuse GL_TEXTURE_SAMPLES }
  { reuse GL_TEXTURE_FIXED_SAMPLE_LOCATIONS }
  { reuse GL_SAMPLER_2D_MULTISAMPLE }
  { reuse GL_INT_SAMPLER_2D_MULTISAMPLE }
  { reuse GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE }
  { reuse GL_SAMPLER_2D_MULTISAMPLE_ARRAY }
  { reuse GL_INT_SAMPLER_2D_MULTISAMPLE_ARRAY }
  { reuse GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE_ARRAY }
  { reuse GL_MAX_COLOR_TEXTURE_SAMPLES }
  { reuse GL_MAX_DEPTH_TEXTURE_SAMPLES }
  { reuse GL_MAX_INTEGER_SAMPLES }
  { Don't need to reuse tokens from ARB_vertex_array_bgra since they're already in 1.2 core }

  // GL_VERSION_3_3
  GL_VERTEX_ATTRIB_ARRAY_DIVISOR = $88FE;
  { Reuse tokens from ARB_blend_func_extended }
  { reuse GL_SRC1_COLOR }
  { reuse GL_ONE_MINUS_SRC1_COLOR }
  { reuse GL_ONE_MINUS_SRC1_ALPHA }
  { reuse GL_MAX_DUAL_SOURCE_DRAW_BUFFERS }
  { Reuse tokens from ARB_explicit_attrib_location (none) }
  { Reuse tokens from ARB_occlusion_query2 }
  { reuse GL_ANY_SAMPLES_PASSED }
  { Reuse tokens from ARB_sampler_objects }
  { reuse GL_SAMPLER_BINDING }
  { Reuse tokens from ARB_shader_bit_encoding (none) }
  { Reuse tokens from ARB_texture_rgb10_a2ui }
  { reuse GL_RGB10_A2UI }
  { Reuse tokens from ARB_texture_swizzle }
  { reuse GL_TEXTURE_SWIZZLE_R }
  { reuse GL_TEXTURE_SWIZZLE_G }
  { reuse GL_TEXTURE_SWIZZLE_B }
  { reuse GL_TEXTURE_SWIZZLE_A }
  { reuse GL_TEXTURE_SWIZZLE_RGBA }
  { Reuse tokens from ARB_timer_query }
  { reuse GL_TIME_ELAPSED }
  { reuse GL_TIMESTAMP }
  { Reuse tokens from ARB_vertex_type_2_10_10_10_rev }
  { reuse GL_INT_2_10_10_10_REV }

  // GL_VERSION_4_0
  GL_SAMPLE_SHADING = $8C36;
  GL_MIN_SAMPLE_SHADING_VALUE = $8C37;
  GL_MIN_PROGRAM_TEXTURE_GATHER_OFFSET = $8E5E;
  GL_MAX_PROGRAM_TEXTURE_GATHER_OFFSET = $8E5F;
  GL_TEXTURE_CUBE_MAP_ARRAY = $9009;
  GL_TEXTURE_BINDING_CUBE_MAP_ARRAY = $900A;
  GL_PROXY_TEXTURE_CUBE_MAP_ARRAY = $900B;
  GL_SAMPLER_CUBE_MAP_ARRAY = $900C;
  GL_SAMPLER_CUBE_MAP_ARRAY_SHADOW = $900D;
  GL_INT_SAMPLER_CUBE_MAP_ARRAY = $900E;
  GL_UNSIGNED_INT_SAMPLER_CUBE_MAP_ARRAY = $900F;
  { Reuse tokens from ARB_texture_query_lod (none) }
  { Reuse tokens from ARB_draw_buffers_blend (none) }
  { Reuse tokens from ARB_draw_indirect }
  { reuse GL_DRAW_INDIRECT_BUFFER }
  { reuse GL_DRAW_INDIRECT_BUFFER_BINDING }
  { Reuse tokens from ARB_gpu_shader5 }
  { reuse GL_GEOMETRY_SHADER_INVOCATIONS }
  { reuse GL_MAX_GEOMETRY_SHADER_INVOCATIONS }
  { reuse GL_MIN_FRAGMENT_INTERPOLATION_OFFSET }
  { reuse GL_MAX_FRAGMENT_INTERPOLATION_OFFSET }
  { reuse GL_FRAGMENT_INTERPOLATION_OFFSET_BITS }
  { reuse GL_MAX_VERTEX_STREAMS }
  { Reuse tokens from ARB_gpu_shader_fp64 }
  { reuse GL_DOUBLE_VEC2 }
  { reuse GL_DOUBLE_VEC3 }
  { reuse GL_DOUBLE_VEC4 }
  { reuse GL_DOUBLE_MAT2 }
  { reuse GL_DOUBLE_MAT3 }
  { reuse GL_DOUBLE_MAT4 }
  { reuse GL_DOUBLE_MAT2x3 }
  { reuse GL_DOUBLE_MAT2x4 }
  { reuse GL_DOUBLE_MAT3x2 }
  { reuse GL_DOUBLE_MAT3x4 }
  { reuse GL_DOUBLE_MAT4x2 }
  { reuse GL_DOUBLE_MAT4x3 }
  { Reuse tokens from ARB_shader_subroutine }
  { reuse GL_ACTIVE_SUBROUTINES }
  { reuse GL_ACTIVE_SUBROUTINE_UNIFORMS }
  { reuse GL_ACTIVE_SUBROUTINE_UNIFORM_LOCATIONS }
  { reuse GL_ACTIVE_SUBROUTINE_MAX_LENGTH }
  { reuse GL_ACTIVE_SUBROUTINE_UNIFORM_MAX_LENGTH }
  { reuse GL_MAX_SUBROUTINES }
  { reuse GL_MAX_SUBROUTINE_UNIFORM_LOCATIONS }
  { reuse GL_NUM_COMPATIBLE_SUBROUTINES }
  { reuse GL_COMPATIBLE_SUBROUTINES }
  { Reuse tokens from ARB_tessellation_shader }
  { reuse GL_PATCHES }
  { reuse GL_PATCH_VERTICES }
  { reuse GL_PATCH_DEFAULT_INNER_LEVEL }
  { reuse GL_PATCH_DEFAULT_OUTER_LEVEL }
  { reuse GL_TESS_CONTROL_OUTPUT_VERTICES }
  { reuse GL_TESS_GEN_MODE }
  { reuse GL_TESS_GEN_SPACING }
  { reuse GL_TESS_GEN_VERTEX_ORDER }
  { reuse GL_TESS_GEN_POINT_MODE }
  { reuse GL_ISOLINES }
  { reuse GL_FRACTIONAL_ODD }
  { reuse GL_FRACTIONAL_EVEN }
  { reuse GL_MAX_PATCH_VERTICES }
  { reuse GL_MAX_TESS_GEN_LEVEL }
  { reuse GL_MAX_TESS_CONTROL_UNIFORM_COMPONENTS }
  { reuse GL_MAX_TESS_EVALUATION_UNIFORM_COMPONENTS }
  { reuse GL_MAX_TESS_CONTROL_TEXTURE_IMAGE_UNITS }
  { reuse GL_MAX_TESS_EVALUATION_TEXTURE_IMAGE_UNITS }
  { reuse GL_MAX_TESS_CONTROL_OUTPUT_COMPONENTS }
  { reuse GL_MAX_TESS_PATCH_COMPONENTS }
  { reuse GL_MAX_TESS_CONTROL_TOTAL_OUTPUT_COMPONENTS }
  { reuse GL_MAX_TESS_EVALUATION_OUTPUT_COMPONENTS }
  { reuse GL_MAX_TESS_CONTROL_UNIFORM_BLOCKS }
  { reuse GL_MAX_TESS_EVALUATION_UNIFORM_BLOCKS }
  { reuse GL_MAX_TESS_CONTROL_INPUT_COMPONENTS }
  { reuse GL_MAX_TESS_EVALUATION_INPUT_COMPONENTS }
  { reuse GL_MAX_COMBINED_TESS_CONTROL_UNIFORM_COMPONENTS }
  { reuse GL_MAX_COMBINED_TESS_EVALUATION_UNIFORM_COMPONENTS }
  { reuse GL_UNIFORM_BLOCK_REFERENCED_BY_TESS_CONTROL_SHADER }
  { reuse GL_UNIFORM_BLOCK_REFERENCED_BY_TESS_EVALUATION_SHADER }
  { reuse GL_TESS_EVALUATION_SHADER }
  { reuse GL_TESS_CONTROL_SHADER }
  { Reuse tokens from ARB_texture_buffer_object_rgb32 (none) }
  { Reuse tokens from ARB_transform_feedback2 }
  { reuse GL_TRANSFORM_FEEDBACK }
  { reuse GL_TRANSFORM_FEEDBACK_BUFFER_PAUSED }
  { reuse GL_TRANSFORM_FEEDBACK_BUFFER_ACTIVE }
  { reuse GL_TRANSFORM_FEEDBACK_BINDING }
  { Reuse tokens from ARB_transform_feedback3 }
  { reuse GL_MAX_TRANSFORM_FEEDBACK_BUFFERS }
  { reuse GL_MAX_VERTEX_STREAMS }

  // GL_VERSION_4_1
  { Reuse tokens from ARB_ES2_compatibility }
  { reuse GL_FIXED }
  { reuse GL_IMPLEMENTATION_COLOR_READ_TYPE }
  { reuse GL_IMPLEMENTATION_COLOR_READ_FORMAT }
  { reuse GL_LOW_FLOAT }
  { reuse GL_MEDIUM_FLOAT }
  { reuse GL_HIGH_FLOAT }
  { reuse GL_LOW_INT }
  { reuse GL_MEDIUM_INT }
  { reuse GL_HIGH_INT }
  { reuse GL_SHADER_COMPILER }
  { reuse GL_NUM_SHADER_BINARY_FORMATS }
  { reuse GL_MAX_VERTEX_UNIFORM_VECTORS }
  { reuse GL_MAX_VARYING_VECTORS }
  { reuse GL_MAX_FRAGMENT_UNIFORM_VECTORS }
  { reuse GL_RGB565 }
  { Reuse tokens from ARB_get_program_binary }
  { reuse GL_PROGRAM_BINARY_RETRIEVABLE_HINT }
  { reuse GL_PROGRAM_BINARY_LENGTH }
  { reuse GL_NUM_PROGRAM_BINARY_FORMATS }
  { reuse GL_PROGRAM_BINARY_FORMATS }
  { Reuse tokens from ARB_separate_shader_objects }
  { reuse GL_VERTEX_SHADER_BIT }
  { reuse GL_FRAGMENT_SHADER_BIT }
  { reuse GL_GEOMETRY_SHADER_BIT }
  { reuse GL_TESS_CONTROL_SHADER_BIT }
  { reuse GL_TESS_EVALUATION_SHADER_BIT }
  { reuse GL_ALL_SHADER_BITS }
  { reuse GL_PROGRAM_SEPARABLE }
  { reuse GL_ACTIVE_PROGRAM }
  { reuse GL_PROGRAM_PIPELINE_BINDING }
  { Reuse tokens from ARB_shader_precision (none) }
  { Reuse tokens from ARB_vertex_attrib_64bit - all are in GL 3.0 and 4.0 already }
  { Reuse tokens from ARB_viewport_array - some are in GL 1.1 and ARB_provoking_vertex already }
  { reuse GL_MAX_VIEWPORTS }
  { reuse GL_VIEWPORT_SUBPIXEL_BITS }
  { reuse GL_VIEWPORT_BOUNDS_RANGE }
  { reuse GL_LAYER_PROVOKING_VERTEX }
  { reuse GL_VIEWPORT_INDEX_PROVOKING_VERTEX }
  { reuse GL_UNDEFINED_VERTEX }

  // GL_VERSION_4_2
  { Reuse tokens from ARB_base_instance (none) }
  { Reuse tokens from ARB_shading_language_420pack (none) }
  { Reuse tokens from ARB_transform_feedback_instanced (none) }
  { Reuse tokens from ARB_compressed_texture_pixel_storage }
  { reuse GL_UNPACK_COMPRESSED_BLOCK_WIDTH }
  { reuse GL_UNPACK_COMPRESSED_BLOCK_HEIGHT }
  { reuse GL_UNPACK_COMPRESSED_BLOCK_DEPTH }
  { reuse GL_UNPACK_COMPRESSED_BLOCK_SIZE }
  { reuse GL_PACK_COMPRESSED_BLOCK_WIDTH }
  { reuse GL_PACK_COMPRESSED_BLOCK_HEIGHT }
  { reuse GL_PACK_COMPRESSED_BLOCK_DEPTH }
  { reuse GL_PACK_COMPRESSED_BLOCK_SIZE }
  { Reuse tokens from ARB_conservative_depth (none) }
  { Reuse tokens from ARB_internalformat_query }
  { reuse GL_NUM_SAMPLE_COUNTS }
  { Reuse tokens from ARB_map_buffer_alignment }
  { reuse GL_MIN_MAP_BUFFER_ALIGNMENT }
  { Reuse tokens from ARB_shader_atomic_counters }
  { reuse GL_ATOMIC_COUNTER_BUFFER }
  { reuse GL_ATOMIC_COUNTER_BUFFER_BINDING }
  { reuse GL_ATOMIC_COUNTER_BUFFER_START }
  { reuse GL_ATOMIC_COUNTER_BUFFER_SIZE }
  { reuse GL_ATOMIC_COUNTER_BUFFER_DATA_SIZE }
  { reuse GL_ATOMIC_COUNTER_BUFFER_ACTIVE_ATOMIC_COUNTERS }
  { reuse GL_ATOMIC_COUNTER_BUFFER_ACTIVE_ATOMIC_COUNTER_INDICES }
  { reuse GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_VERTEX_SHADER }
  { reuse GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_TESS_CONTROL_SHADER }
  { reuse GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_TESS_EVALUATION_SHADER }
  { reuse GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_GEOMETRY_SHADER }
  { reuse GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_FRAGMENT_SHADER }
  { reuse GL_MAX_VERTEX_ATOMIC_COUNTER_BUFFERS }
  { reuse GL_MAX_TESS_CONTROL_ATOMIC_COUNTER_BUFFERS }
  { reuse GL_MAX_TESS_EVALUATION_ATOMIC_COUNTER_BUFFERS }
  { reuse GL_MAX_GEOMETRY_ATOMIC_COUNTER_BUFFERS }
  { reuse GL_MAX_FRAGMENT_ATOMIC_COUNTER_BUFFERS }
  { reuse GL_MAX_COMBINED_ATOMIC_COUNTER_BUFFERS }
  { reuse GL_MAX_VERTEX_ATOMIC_COUNTERS }
  { reuse GL_MAX_TESS_CONTROL_ATOMIC_COUNTERS }
  { reuse GL_MAX_TESS_EVALUATION_ATOMIC_COUNTERS }
  { reuse GL_MAX_GEOMETRY_ATOMIC_COUNTERS }
  { reuse GL_MAX_FRAGMENT_ATOMIC_COUNTERS }
  { reuse GL_MAX_COMBINED_ATOMIC_COUNTERS }
  { reuse GL_MAX_ATOMIC_COUNTER_BUFFER_SIZE }
  { reuse GL_MAX_ATOMIC_COUNTER_BUFFER_BINDINGS }
  { reuse GL_ACTIVE_ATOMIC_COUNTER_BUFFERS }
  { reuse GL_UNIFORM_ATOMIC_COUNTER_BUFFER_INDEX }
  { reuse GL_UNSIGNED_INT_ATOMIC_COUNTER }
  { Reuse tokens from ARB_shader_image_load_store }
  { reuse GL_VERTEX_ATTRIB_ARRAY_BARRIER_BIT }
  { reuse GL_ELEMENT_ARRAY_BARRIER_BIT }
  { reuse GL_UNIFORM_BARRIER_BIT }
  { reuse GL_TEXTURE_FETCH_BARRIER_BIT }
  { reuse GL_SHADER_IMAGE_ACCESS_BARRIER_BIT }
  { reuse GL_COMMAND_BARRIER_BIT }
  { reuse GL_PIXEL_BUFFER_BARRIER_BIT }
  { reuse GL_TEXTURE_UPDATE_BARRIER_BIT }
  { reuse GL_BUFFER_UPDATE_BARRIER_BIT }
  { reuse GL_FRAMEBUFFER_BARRIER_BIT }
  { reuse GL_TRANSFORM_FEEDBACK_BARRIER_BIT }
  { reuse GL_ATOMIC_COUNTER_BARRIER_BIT }
  { reuse GL_ALL_BARRIER_BITS }
  { reuse GL_MAX_IMAGE_UNITS }
  { reuse GL_MAX_COMBINED_IMAGE_UNITS_AND_FRAGMENT_OUTPUTS }
  { reuse GL_IMAGE_BINDING_NAME }
  { reuse GL_IMAGE_BINDING_LEVEL }
  { reuse GL_IMAGE_BINDING_LAYERED }
  { reuse GL_IMAGE_BINDING_LAYER }
  { reuse GL_IMAGE_BINDING_ACCESS }
  { reuse GL_IMAGE_1D }
  { reuse GL_IMAGE_2D }
  { reuse GL_IMAGE_3D }
  { reuse GL_IMAGE_2D_RECT }
  { reuse GL_IMAGE_CUBE }
  { reuse GL_IMAGE_BUFFER }
  { reuse GL_IMAGE_1D_ARRAY }
  { reuse GL_IMAGE_2D_ARRAY }
  { reuse GL_IMAGE_CUBE_MAP_ARRAY }
  { reuse GL_IMAGE_2D_MULTISAMPLE }
  { reuse GL_IMAGE_2D_MULTISAMPLE_ARRAY }
  { reuse GL_INT_IMAGE_1D }
  { reuse GL_INT_IMAGE_2D }
  { reuse GL_INT_IMAGE_3D }
  { reuse GL_INT_IMAGE_2D_RECT }
  { reuse GL_INT_IMAGE_CUBE }
  { reuse GL_INT_IMAGE_BUFFER }
  { reuse GL_INT_IMAGE_1D_ARRAY }
  { reuse GL_INT_IMAGE_2D_ARRAY }
  { reuse GL_INT_IMAGE_CUBE_MAP_ARRAY }
  { reuse GL_INT_IMAGE_2D_MULTISAMPLE }
  { reuse GL_INT_IMAGE_2D_MULTISAMPLE_ARRAY }
  { reuse GL_UNSIGNED_INT_IMAGE_1D }
  { reuse GL_UNSIGNED_INT_IMAGE_2D }
  { reuse GL_UNSIGNED_INT_IMAGE_3D }
  { reuse GL_UNSIGNED_INT_IMAGE_2D_RECT }
  { reuse GL_UNSIGNED_INT_IMAGE_CUBE }
  { reuse GL_UNSIGNED_INT_IMAGE_BUFFER }
  { reuse GL_UNSIGNED_INT_IMAGE_1D_ARRAY }
  { reuse GL_UNSIGNED_INT_IMAGE_2D_ARRAY }
  { reuse GL_UNSIGNED_INT_IMAGE_CUBE_MAP_ARRAY }
  { reuse GL_UNSIGNED_INT_IMAGE_2D_MULTISAMPLE }
  { reuse GL_UNSIGNED_INT_IMAGE_2D_MULTISAMPLE_ARRAY }
  { reuse GL_MAX_IMAGE_SAMPLES }
  { reuse GL_IMAGE_BINDING_FORMAT }
  { reuse GL_IMAGE_FORMAT_COMPATIBILITY_TYPE }
  { reuse GL_IMAGE_FORMAT_COMPATIBILITY_BY_SIZE }
  { reuse GL_IMAGE_FORMAT_COMPATIBILITY_BY_CLASS }
  { reuse GL_MAX_VERTEX_IMAGE_UNIFORMS }
  { reuse GL_MAX_TESS_CONTROL_IMAGE_UNIFORMS }
  { reuse GL_MAX_TESS_EVALUATION_IMAGE_UNIFORMS }
  { reuse GL_MAX_GEOMETRY_IMAGE_UNIFORMS }
  { reuse GL_MAX_FRAGMENT_IMAGE_UNIFORMS }
  { reuse GL_MAX_COMBINED_IMAGE_UNIFORMS }
  { Reuse tokens from ARB_shading_language_packing (none) }
  { Reuse tokens from ARB_texture_storage }
  { reuse GL_TEXTURE_IMMUTABLE_FORMAT }

  // GL_VERSION_4_3
  GL_NUM_SHADING_LANGUAGE_VERSIONS  = $82E9;
  GL_VERTEX_ATTRIB_ARRAY_LONG = $874E;
  { Reuse tokens from ARB_arrays_of_arrays (none, GLSL only) }
  { Reuse tokens from ARB_fragment_layer_viewport (none, GLSL only) }
  { Reuse tokens from ARB_shader_image_size (none, GLSL only) }
  { Reuse tokens from ARB_ES3_compatibility }
  { reuse GL_COMPRESSED_RGB8_ETC2 }
  { reuse GL_COMPRESSED_SRGB8_ETC2 }
  { reuse GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2 }
  { reuse GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2 }
  { reuse GL_COMPRESSED_RGBA8_ETC2_EAC }
  { reuse GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC }
  { reuse GL_COMPRESSED_R11_EAC }
  { reuse GL_COMPRESSED_SIGNED_R11_EAC }
  { reuse GL_COMPRESSED_RG11_EAC }
  { reuse GL_COMPRESSED_SIGNED_RG11_EAC }
  { reuse GL_PRIMITIVE_RESTART_FIXED_INDEX }
  { reuse GL_ANY_SAMPLES_PASSED_CONSERVATIVE }
  { reuse GL_MAX_ELEMENT_INDEX }
  { Reuse tokens from ARB_clear_buffer_object (none) }
  { Reuse tokens from ARB_compute_shader }
  { reuse GL_COMPUTE_SHADER }
  { reuse GL_MAX_COMPUTE_UNIFORM_BLOCKS }
  { reuse GL_MAX_COMPUTE_TEXTURE_IMAGE_UNITS }
  { reuse GL_MAX_COMPUTE_IMAGE_UNIFORMS }
  { reuse GL_MAX_COMPUTE_SHARED_MEMORY_SIZE }
  { reuse GL_MAX_COMPUTE_UNIFORM_COMPONENTS }
  { reuse GL_MAX_COMPUTE_ATOMIC_COUNTER_BUFFERS }
  { reuse GL_MAX_COMPUTE_ATOMIC_COUNTERS }
  { reuse GL_MAX_COMBINED_COMPUTE_UNIFORM_COMPONENTS }
  { reuse GL_MAX_COMPUTE_LOCAL_INVOCATIONS }
  { reuse GL_MAX_COMPUTE_WORK_GROUP_COUNT }
  { reuse GL_MAX_COMPUTE_WORK_GROUP_SIZE }
  { reuse GL_COMPUTE_LOCAL_WORK_SIZE }
  { reuse GL_UNIFORM_BLOCK_REFERENCED_BY_COMPUTE_SHADER }
  { reuse GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_COMPUTE_SHADER }
  { reuse GL_DISPATCH_INDIRECT_BUFFER }
  { reuse GL_DISPATCH_INDIRECT_BUFFER_BINDING }
  { Reuse tokens from ARB_copy_image (none) }
  { Reuse tokens from KHR_debug }
  { reuse GL_DEBUG_OUTPUT_SYNCHRONOUS }
  { reuse GL_DEBUG_NEXT_LOGGED_MESSAGE_LENGTH }
  { reuse GL_DEBUG_CALLBACK_FUNCTION }
  { reuse GL_DEBUG_CALLBACK_USER_PARAM }
  { reuse GL_DEBUG_SOURCE_API }
  { reuse GL_DEBUG_SOURCE_WINDOW_SYSTEM }
  { reuse GL_DEBUG_SOURCE_SHADER_COMPILER }
  { reuse GL_DEBUG_SOURCE_THIRD_PARTY }
  { reuse GL_DEBUG_SOURCE_APPLICATION }
  { reuse GL_DEBUG_SOURCE_OTHER }
  { reuse GL_DEBUG_TYPE_ERROR }
  { reuse GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR }
  { reuse GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR }
  { reuse GL_DEBUG_TYPE_PORTABILITY }
  { reuse GL_DEBUG_TYPE_PERFORMANCE }
  { reuse GL_DEBUG_TYPE_OTHER }
  { reuse GL_MAX_DEBUG_MESSAGE_LENGTH }
  { reuse GL_MAX_DEBUG_LOGGED_MESSAGES }
  { reuse GL_DEBUG_LOGGED_MESSAGES }
  { reuse GL_DEBUG_SEVERITY_HIGH }
  { reuse GL_DEBUG_SEVERITY_MEDIUM }
  { reuse GL_DEBUG_SEVERITY_LOW }
  { reuse GL_DEBUG_TYPE_MARKER }
  { reuse GL_DEBUG_TYPE_PUSH_GROUP }
  { reuse GL_DEBUG_TYPE_POP_GROUP }
  { reuse GL_DEBUG_SEVERITY_NOTIFICATION }
  { reuse GL_MAX_DEBUG_GROUP_STACK_DEPTH }
  { reuse GL_DEBUG_GROUP_STACK_DEPTH }
  { reuse GL_BUFFER }
  { reuse GL_SHADER }
  { reuse GL_PROGRAM }
  { reuse GL_QUERY }
  { reuse GL_PROGRAM_PIPELINE }
  { reuse GL_SAMPLER }
  { reuse GL_DISPLAY_LIST }
  { reuse GL_MAX_LABEL_LENGTH }
  { reuse GL_DEBUG_OUTPUT }
  { reuse GL_CONTEXT_FLAG_DEBUG_BIT }
  { reuse GL_STACK_UNDERFLOW }
  { reuse GL_STACK_OVERFLOW }
  { Reuse tokens from ARB_explicit_uniform_location }
  { reuse GL_MAX_UNIFORM_LOCATIONS }
  { Reuse tokens from ARB_framebuffer_no_attachments }
  { reuse GL_FRAMEBUFFER_DEFAULT_WIDTH }
  { reuse GL_FRAMEBUFFER_DEFAULT_HEIGHT }
  { reuse GL_FRAMEBUFFER_DEFAULT_LAYERS }
  { reuse GL_FRAMEBUFFER_DEFAULT_SAMPLES }
  { reuse GL_FRAMEBUFFER_DEFAULT_FIXED_SAMPLE_LOCATIONS }
  { reuse GL_MAX_FRAMEBUFFER_WIDTH }
  { reuse GL_MAX_FRAMEBUFFER_HEIGHT }
  { reuse GL_MAX_FRAMEBUFFER_LAYERS }
  { reuse GL_MAX_FRAMEBUFFER_SAMPLES }
  { Reuse tokens from ARB_internalformat_query2 }
  { reuse GL_INTERNALFORMAT_SUPPORTED }
  { reuse GL_INTERNALFORMAT_PREFERRED }
  { reuse GL_INTERNALFORMAT_RED_SIZE }
  { reuse GL_INTERNALFORMAT_GREEN_SIZE }
  { reuse GL_INTERNALFORMAT_BLUE_SIZE }
  { reuse GL_INTERNALFORMAT_ALPHA_SIZE }
  { reuse GL_INTERNALFORMAT_DEPTH_SIZE }
  { reuse GL_INTERNALFORMAT_STENCIL_SIZE }
  { reuse GL_INTERNALFORMAT_SHARED_SIZE }
  { reuse GL_INTERNALFORMAT_RED_TYPE }
  { reuse GL_INTERNALFORMAT_GREEN_TYPE }
  { reuse GL_INTERNALFORMAT_BLUE_TYPE }
  { reuse GL_INTERNALFORMAT_ALPHA_TYPE }
  { reuse GL_INTERNALFORMAT_DEPTH_TYPE }
  { reuse GL_INTERNALFORMAT_STENCIL_TYPE }
  { reuse GL_MAX_WIDTH }
  { reuse GL_MAX_HEIGHT }
  { reuse GL_MAX_DEPTH }
  { reuse GL_MAX_LAYERS }
  { reuse GL_MAX_COMBINED_DIMENSIONS }
  { reuse GL_COLOR_COMPONENTS }
  { reuse GL_DEPTH_COMPONENTS }
  { reuse GL_STENCIL_COMPONENTS }
  { reuse GL_COLOR_RENDERABLE }
  { reuse GL_DEPTH_RENDERABLE }
  { reuse GL_STENCIL_RENDERABLE }
  { reuse GL_FRAMEBUFFER_RENDERABLE }
  { reuse GL_FRAMEBUFFER_RENDERABLE_LAYERED }
  { reuse GL_FRAMEBUFFER_BLEND }
  { reuse GL_READ_PIXELS }
  { reuse GL_READ_PIXELS_FORMAT }
  { reuse GL_READ_PIXELS_TYPE }
  { reuse GL_TEXTURE_IMAGE_FORMAT }
  { reuse GL_TEXTURE_IMAGE_TYPE }
  { reuse GL_GET_TEXTURE_IMAGE_FORMAT }
  { reuse GL_GET_TEXTURE_IMAGE_TYPE }
  { reuse GL_MIPMAP }
  { reuse GL_MANUAL_GENERATE_MIPMAP }
  { reuse GL_AUTO_GENERATE_MIPMAP }
  { reuse GL_COLOR_ENCODING }
  { reuse GL_SRGB_READ }
  { reuse GL_SRGB_WRITE }
  { reuse GL_FILTER }
  { reuse GL_VERTEX_TEXTURE }
  { reuse GL_TESS_CONTROL_TEXTURE }
  { reuse GL_TESS_EVALUATION_TEXTURE }
  { reuse GL_GEOMETRY_TEXTURE }
  { reuse GL_FRAGMENT_TEXTURE }
  { reuse GL_COMPUTE_TEXTURE }
  { reuse GL_TEXTURE_SHADOW }
  { reuse GL_TEXTURE_GATHER }
  { reuse GL_TEXTURE_GATHER_SHADOW }
  { reuse GL_SHADER_IMAGE_LOAD }
  { reuse GL_SHADER_IMAGE_STORE }
  { reuse GL_SHADER_IMAGE_ATOMIC }
  { reuse GL_IMAGE_TEXEL_SIZE }
  { reuse GL_IMAGE_COMPATIBILITY_CLASS }
  { reuse GL_IMAGE_PIXEL_FORMAT }
  { reuse GL_IMAGE_PIXEL_TYPE }
  { reuse GL_SIMULTANEOUS_TEXTURE_AND_DEPTH_TEST }
  { reuse GL_SIMULTANEOUS_TEXTURE_AND_STENCIL_TEST }
  { reuse GL_SIMULTANEOUS_TEXTURE_AND_DEPTH_WRITE }
  { reuse GL_SIMULTANEOUS_TEXTURE_AND_STENCIL_WRITE }
  { reuse GL_TEXTURE_COMPRESSED_BLOCK_WIDTH }
  { reuse GL_TEXTURE_COMPRESSED_BLOCK_HEIGHT }
  { reuse GL_TEXTURE_COMPRESSED_BLOCK_SIZE }
  { reuse GL_CLEAR_BUFFER }
  { reuse GL_TEXTURE_VIEW }
  { reuse GL_VIEW_COMPATIBILITY_CLASS }
  { reuse GL_FULL_SUPPORT }
  { reuse GL_CAVEAT_SUPPORT }
  { reuse GL_IMAGE_CLASS_4_X_32 }
  { reuse GL_IMAGE_CLASS_2_X_32 }
  { reuse GL_IMAGE_CLASS_1_X_32 }
  { reuse GL_IMAGE_CLASS_4_X_16 }
  { reuse GL_IMAGE_CLASS_2_X_16 }
  { reuse GL_IMAGE_CLASS_1_X_16 }
  { reuse GL_IMAGE_CLASS_4_X_8 }
  { reuse GL_IMAGE_CLASS_2_X_8 }
  { reuse GL_IMAGE_CLASS_1_X_8 }
  { reuse GL_IMAGE_CLASS_11_11_10 }
  { reuse GL_IMAGE_CLASS_10_10_10_2 }
  { reuse GL_VIEW_CLASS_128_BITS }
  { reuse GL_VIEW_CLASS_96_BITS }
  { reuse GL_VIEW_CLASS_64_BITS }
  { reuse GL_VIEW_CLASS_48_BITS }
  { reuse GL_VIEW_CLASS_32_BITS }
  { reuse GL_VIEW_CLASS_24_BITS }
  { reuse GL_VIEW_CLASS_16_BITS }
  { reuse GL_VIEW_CLASS_8_BITS }
  { reuse GL_VIEW_CLASS_S3TC_DXT1_RGB }
  { reuse GL_VIEW_CLASS_S3TC_DXT1_RGBA }
  { reuse GL_VIEW_CLASS_S3TC_DXT3_RGBA }
  { reuse GL_VIEW_CLASS_S3TC_DXT5_RGBA }
  { reuse GL_VIEW_CLASS_RGTC1_RED }
  { reuse GL_VIEW_CLASS_RGTC2_RG }
  { reuse GL_VIEW_CLASS_BPTC_UNORM }
  { reuse GL_VIEW_CLASS_BPTC_FLOAT }
  { Reuse tokens from ARB_invalidate_subdata (none) }
  { Reuse tokens from ARB_multi_draw_indirect (none) }
  { Reuse tokens from ARB_program_interface_query }
  { reuse GL_UNIFORM }
  { reuse GL_UNIFORM_BLOCK }
  { reuse GL_PROGRAM_INPUT }
  { reuse GL_PROGRAM_OUTPUT }
  { reuse GL_BUFFER_VARIABLE }
  { reuse GL_SHADER_STORAGE_BLOCK }
  { reuse GL_VERTEX_SUBROUTINE }
  { reuse GL_TESS_CONTROL_SUBROUTINE }
  { reuse GL_TESS_EVALUATION_SUBROUTINE }
  { reuse GL_GEOMETRY_SUBROUTINE }
  { reuse GL_FRAGMENT_SUBROUTINE }
  { reuse GL_COMPUTE_SUBROUTINE }
  { reuse GL_VERTEX_SUBROUTINE_UNIFORM }
  { reuse GL_TESS_CONTROL_SUBROUTINE_UNIFORM }
  { reuse GL_TESS_EVALUATION_SUBROUTINE_UNIFORM }
  { reuse GL_GEOMETRY_SUBROUTINE_UNIFORM }
  { reuse GL_FRAGMENT_SUBROUTINE_UNIFORM }
  { reuse GL_COMPUTE_SUBROUTINE_UNIFORM }
  { reuse GL_TRANSFORM_FEEDBACK_VARYING }
  { reuse GL_ACTIVE_RESOURCES }
  { reuse GL_MAX_NAME_LENGTH }
  { reuse GL_MAX_NUM_ACTIVE_VARIABLES }
  { reuse GL_MAX_NUM_COMPATIBLE_SUBROUTINES }
  { reuse GL_NAME_LENGTH }
  { reuse GL_TYPE }
  { reuse GL_ARRAY_SIZE }
  { reuse GL_OFFSET }
  { reuse GL_BLOCK_INDEX }
  { reuse GL_ARRAY_STRIDE }
  { reuse GL_MATRIX_STRIDE }
  { reuse GL_IS_ROW_MAJOR }
  { reuse GL_ATOMIC_COUNTER_BUFFER_INDEX }
  { reuse GL_BUFFER_BINDING }
  { reuse GL_BUFFER_DATA_SIZE }
  { reuse GL_NUM_ACTIVE_VARIABLES }
  { reuse GL_ACTIVE_VARIABLES }
  { reuse GL_REFERENCED_BY_VERTEX_SHADER }
  { reuse GL_REFERENCED_BY_TESS_CONTROL_SHADER }
  { reuse GL_REFERENCED_BY_TESS_EVALUATION_SHADER }
  { reuse GL_REFERENCED_BY_GEOMETRY_SHADER }
  { reuse GL_REFERENCED_BY_FRAGMENT_SHADER }
  { reuse GL_REFERENCED_BY_COMPUTE_SHADER }
  { reuse GL_TOP_LEVEL_ARRAY_SIZE }
  { reuse GL_TOP_LEVEL_ARRAY_STRIDE }
  { reuse GL_LOCATION }
  { reuse GL_LOCATION_INDEX }
  { reuse GL_IS_PER_PATCH }
  { Reuse tokens from ARB_robust_buffer_access_behavior (none) }
  { Reuse tokens from ARB_shader_storage_buffer_object }
  { reuse GL_SHADER_STORAGE_BUFFER }
  { reuse GL_SHADER_STORAGE_BUFFER_BINDING }
  { reuse GL_SHADER_STORAGE_BUFFER_START }
  { reuse GL_SHADER_STORAGE_BUFFER_SIZE }
  { reuse GL_MAX_VERTEX_SHADER_STORAGE_BLOCKS }
  { reuse GL_MAX_GEOMETRY_SHADER_STORAGE_BLOCKS }
  { reuse GL_MAX_TESS_CONTROL_SHADER_STORAGE_BLOCKS }
  { reuse GL_MAX_TESS_EVALUATION_SHADER_STORAGE_BLOCKS }
  { reuse GL_MAX_FRAGMENT_SHADER_STORAGE_BLOCKS }
  { reuse GL_MAX_COMPUTE_SHADER_STORAGE_BLOCKS }
  { reuse GL_MAX_COMBINED_SHADER_STORAGE_BLOCKS }
  { reuse GL_MAX_SHADER_STORAGE_BUFFER_BINDINGS }
  { reuse GL_MAX_SHADER_STORAGE_BLOCK_SIZE }
  { reuse GL_SHADER_STORAGE_BUFFER_OFFSET_ALIGNMENT }
  { reuse GL_SHADER_STORAGE_BARRIER_BIT }
  { reuse GL_MAX_COMBINED_SHADER_OUTPUT_RESOURCES }
  { Reuse tokens from ARB_stencil_texturing }
  { reuse GL_DEPTH_STENCIL_TEXTURE_MODE }
  { Reuse tokens from ARB_texture_buffer_range }
  { reuse GL_TEXTURE_BUFFER_OFFSET }
  { reuse GL_TEXTURE_BUFFER_SIZE }
  { reuse GL_TEXTURE_BUFFER_OFFSET_ALIGNMENT }
  { Reuse tokens from ARB_texture_query_levels (none) }
  { Reuse tokens from ARB_texture_storage_multisample (none) }
  { Reuse tokens from ARB_texture_view }
  { reuse GL_TEXTURE_VIEW_MIN_LEVEL }
  { reuse GL_TEXTURE_VIEW_NUM_LEVELS }
  { reuse GL_TEXTURE_VIEW_MIN_LAYER }
  { reuse GL_TEXTURE_VIEW_NUM_LAYERS }
  { reuse GL_TEXTURE_IMMUTABLE_LEVELS }
  { Reuse tokens from ARB_vertex_attrib_binding }
  { reuse GL_VERTEX_ATTRIB_BINDING }
  { reuse GL_VERTEX_ATTRIB_RELATIVE_OFFSET }
  { reuse GL_VERTEX_BINDING_DIVISOR }
  { reuse GL_VERTEX_BINDING_OFFSET }
  { reuse GL_VERTEX_BINDING_STRIDE }
  { reuse GL_MAX_VERTEX_ATTRIB_RELATIVE_OFFSET }
  { reuse GL_MAX_VERTEX_ATTRIB_BINDINGS }


  // GL_3DFX_multisample
  GL_MULTISAMPLE_3DFX = $86B2;
  GL_SAMPLE_BUFFERS_3DFX = $86B3;
  GL_SAMPLES_3DFX = $86B4;
  GL_MULTISAMPLE_BIT_3DFX = $20000000;

  // GL_3DFX_texture_compression_FXT1
  GL_COMPRESSED_RGB_FXT1_3DFX = $86B0;
  GL_COMPRESSED_RGBA_FXT1_3DFX = $86B1;

  // GL_APPLE_client_storage
  GL_UNPACK_CLIENT_STORAGE_APPLE = $85B2;

  // GL_APPLE_element_array
  GL_ELEMENT_ARRAY_APPLE = $8A0C;
  GL_ELEMENT_ARRAY_TYPE_APPLE = $8A0D;
  GL_ELEMENT_ARRAY_POINTER_APPLE = $8A0E;

  // GL_APPLE_fence
  GL_DRAW_PIXELS_APPLE = $8A0A;
  GL_FENCE_APPLE = $8A0B;

  // GL_APPLE_specular_vector
  GL_LIGHT_MODEL_SPECULAR_VECTOR_APPLE = $85B0;

  // GL_APPLE_transform_hint
  GL_TRANSFORM_HINT_APPLE = $85B1;

  // GL_APPLE_vertex_array_object
  GL_VERTEX_ARRAY_BINDING_APPLE = $85B5;

  // GL_APPLE_vertex_array_range
  GL_VERTEX_ARRAY_RANGE_APPLE = $851D;
  GL_VERTEX_ARRAY_RANGE_LENGTH_APPLE = $851E;
  GL_VERTEX_ARRAY_STORAGE_HINT_APPLE = $851F;
  GL_VERTEX_ARRAY_RANGE_POINTER_APPLE = $8521;
  GL_STORAGE_CLIENT_APPLE = $85B4;
  GL_STORAGE_CACHED_APPLE = $85BE;
  GL_STORAGE_SHARED_APPLE = $85BF;

  // GL_APPLE_ycbcr_422
  GL_YCBCR_422_APPLE = $85B9;
  GL_UNSIGNED_SHORT_8_8_APPLE = $85BA;
  GL_UNSIGNED_SHORT_8_8_REV_APPLE = $85BB;
  GL_RGB_RAW_422_APPLE = $8A51;

  // GL_APPLE_texture_range
  GL_TEXTURE_RANGE_LENGTH_APPLE = $85B7;
  GL_TEXTURE_RANGE_POINTER_APPLE = $85B8;
  GL_TEXTURE_STORAGE_HINT_APPLE = $85BC;
  GL_STORAGE_PRIVATE_APPLE = $85BD;
  { reuse GL_STORAGE_CACHED_APPLE }
  { reuse GL_STORAGE_SHARED_APPLE }

  // GL_APPLE_float_pixels
  GL_HALF_APPLE = $140B;
  GL_RGBA_FLOAT32_APPLE = $8814;
  GL_RGB_FLOAT32_APPLE = $8815;
  GL_ALPHA_FLOAT32_APPLE = $8816;
  GL_INTENSITY_FLOAT32_APPLE = $8817;
  GL_LUMINANCE_FLOAT32_APPLE = $8818;
  GL_LUMINANCE_ALPHA_FLOAT32_APPLE = $8819;
  GL_RGBA_FLOAT16_APPLE = $881A;
  GL_RGB_FLOAT16_APPLE = $881B;
  GL_ALPHA_FLOAT16_APPLE = $881C;
  GL_INTENSITY_FLOAT16_APPLE = $881D;
  GL_LUMINANCE_FLOAT16_APPLE = $881E;
  GL_LUMINANCE_ALPHA_FLOAT16_APPLE = $881F;
  GL_COLOR_FLOAT_APPLE = $8A0F;

  // GL_APPLE_vertex_program_evaluators
  GL_VERTEX_ATTRIB_MAP1_APPLE = $8A00;
  GL_VERTEX_ATTRIB_MAP2_APPLE = $8A01;
  GL_VERTEX_ATTRIB_MAP1_SIZE_APPLE = $8A02;
  GL_VERTEX_ATTRIB_MAP1_COEFF_APPLE = $8A03;
  GL_VERTEX_ATTRIB_MAP1_ORDER_APPLE = $8A04;
  GL_VERTEX_ATTRIB_MAP1_DOMAIN_APPLE = $8A05;
  GL_VERTEX_ATTRIB_MAP2_SIZE_APPLE = $8A06;
  GL_VERTEX_ATTRIB_MAP2_COEFF_APPLE = $8A07;
  GL_VERTEX_ATTRIB_MAP2_ORDER_APPLE = $8A08;
  GL_VERTEX_ATTRIB_MAP2_DOMAIN_APPLE = $8A09;

  // GL_APPLE_aux_depth_stencil
  GL_AUX_DEPTH_STENCIL_APPLE = $8A14;

  // GL_APPLE_object_purgeable
  GL_BUFFER_OBJECT_APPLE = $85B3;
  GL_RELEASED_APPLE = $8A19;
  GL_VOLATILE_APPLE = $8A1A;
  GL_RETAINED_APPLE = $8A1B;
  GL_UNDEFINED_APPLE = $8A1C;
  GL_PURGEABLE_APPLE = $8A1D;

  // GL_APPLE_row_bytes
  GL_PACK_ROW_BYTES_APPLE = $8A15;
  GL_UNPACK_ROW_BYTES_APPLE = $8A16;

  // GL_APPLE_rgb_422
  { reuse GL_UNSIGNED_SHORT_8_8_APPLE }
  { reuse GL_UNSIGNED_SHORT_8_8_REV_APPLE }

  // GL_ARB_depth_texture
  GL_DEPTH_COMPONENT16_ARB = $81A5;
  GL_DEPTH_COMPONENT24_ARB = $81A6;
  GL_DEPTH_COMPONENT32_ARB = $81A7;
  GL_TEXTURE_DEPTH_SIZE_ARB = $884A;
  GL_DEPTH_TEXTURE_MODE_ARB = $884B;

  // GL_ARB_fragment_program
  GL_FRAGMENT_PROGRAM_ARB = $8804;
  GL_PROGRAM_ALU_INSTRUCTIONS_ARB = $8805;
  GL_PROGRAM_TEX_INSTRUCTIONS_ARB = $8806;
  GL_PROGRAM_TEX_INDIRECTIONS_ARB = $8807;
  GL_PROGRAM_NATIVE_ALU_INSTRUCTIONS_ARB = $8808;
  GL_PROGRAM_NATIVE_TEX_INSTRUCTIONS_ARB = $8809;
  GL_PROGRAM_NATIVE_TEX_INDIRECTIONS_ARB = $880A;
  GL_MAX_PROGRAM_ALU_INSTRUCTIONS_ARB = $880B;
  GL_MAX_PROGRAM_TEX_INSTRUCTIONS_ARB = $880C;
  GL_MAX_PROGRAM_TEX_INDIRECTIONS_ARB = $880D;
  GL_MAX_PROGRAM_NATIVE_ALU_INSTRUCTIONS_ARB = $880E;
  GL_MAX_PROGRAM_NATIVE_TEX_INSTRUCTIONS_ARB = $880F;
  GL_MAX_PROGRAM_NATIVE_TEX_INDIRECTIONS_ARB = $8810;
  GL_MAX_TEXTURE_COORDS_ARB = $8871;
  GL_MAX_TEXTURE_IMAGE_UNITS_ARB = $8872;

  // GL_ARB_imaging
  GL_CONSTANT_COLOR_ARB = $8001;
  GL_ONE_MINUS_CONSTANT_COLOR = $8002;
  GL_CONSTANT_ALPHA = $8003;
  GL_ONE_MINUS_CONSTANT_ALPHA = $8004;
  GL_BLEND_COLOR = $8005;
  GL_FUNC_ADD = $8006;
  GL_MIN = $8007;
  GL_MAX = $8008;
  GL_BLEND_EQUATION = $8009;
  GL_FUNC_SUBTRACT = $800A;
  GL_FUNC_REVERSE_SUBTRACT = $800B;
  // deprecated
  GL_CONVOLUTION_1D = $8010;
  GL_CONVOLUTION_2D = $8011;
  GL_SEPARABLE_2D = $8012;
  GL_CONVOLUTION_BORDER_MODE = $8013;
  GL_CONVOLUTION_FILTER_SCALE = $8014;
  GL_CONVOLUTION_FILTER_BIAS = $8015;
  GL_REDUCE = $8016;
  GL_CONVOLUTION_FORMAT = $8017;
  GL_CONVOLUTION_WIDTH = $8018;
  GL_CONVOLUTION_HEIGHT = $8019;
  GL_MAX_CONVOLUTION_WIDTH = $801A;
  GL_MAX_CONVOLUTION_HEIGHT = $801B;
  GL_POST_CONVOLUTION_RED_SCALE = $801C;
  GL_POST_CONVOLUTION_GREEN_SCALE = $801D;
  GL_POST_CONVOLUTION_BLUE_SCALE = $801E;
  GL_POST_CONVOLUTION_ALPHA_SCALE = $801F;
  GL_POST_CONVOLUTION_RED_BIAS = $8020;
  GL_POST_CONVOLUTION_GREEN_BIAS = $8021;
  GL_POST_CONVOLUTION_BLUE_BIAS = $8022;
  GL_POST_CONVOLUTION_ALPHA_BIAS = $8023;
  GL_HISTOGRAM = $8024;
  GL_PROXY_HISTOGRAM = $8025;
  GL_HISTOGRAM_WIDTH = $8026;
  GL_HISTOGRAM_FORMAT = $8027;
  GL_HISTOGRAM_RED_SIZE = $8028;
  GL_HISTOGRAM_GREEN_SIZE = $8029;
  GL_HISTOGRAM_BLUE_SIZE = $802A;
  GL_HISTOGRAM_ALPHA_SIZE = $802B;
  GL_HISTOGRAM_LUMINANCE_SIZE = $802C;
  GL_HISTOGRAM_SINK = $802D;
  GL_MINMAX = $802E;
  GL_MINMAX_FORMAT = $802F;
  GL_MINMAX_SINK = $8030;
  GL_TABLE_TOO_LARGE = $8031;
  GL_COLOR_MATRIX = $80B1;
  GL_COLOR_MATRIX_STACK_DEPTH = $80B2;
  GL_MAX_COLOR_MATRIX_STACK_DEPTH = $80B3;
  GL_POST_COLOR_MATRIX_RED_SCALE = $80B4;
  GL_POST_COLOR_MATRIX_GREEN_SCALE = $80B5;
  GL_POST_COLOR_MATRIX_BLUE_SCALE = $80B6;
  GL_POST_COLOR_MATRIX_ALPHA_SCALE = $80B7;
  GL_POST_COLOR_MATRIX_RED_BIAS = $80B8;
  GL_POST_COLOR_MATRIX_GREEN_BIAS = $80B9;
  GL_POST_COLOR_MATRIX_BLUE_BIAS = $80BA;
  GL_POST_COLOR_MATRIX_ALPHA_BIAS = $80BB;
  GL_COLOR_TABLE = $80D0;
  GL_POST_CONVOLUTION_COLOR_TABLE = $80D1;
  GL_POST_COLOR_MATRIX_COLOR_TABLE = $80D2;
  GL_PROXY_COLOR_TABLE = $80D3;
  GL_PROXY_POST_CONVOLUTION_COLOR_TABLE = $80D4;
  GL_PROXY_POST_COLOR_MATRIX_COLOR_TABLE = $80D5;
  GL_COLOR_TABLE_SCALE = $80D6;
  GL_COLOR_TABLE_BIAS = $80D7;
  GL_COLOR_TABLE_FORMAT = $80D8;
  GL_COLOR_TABLE_WIDTH = $80D9;
  GL_COLOR_TABLE_RED_SIZE = $80DA;
  GL_COLOR_TABLE_GREEN_SIZE = $80DB;
  GL_COLOR_TABLE_BLUE_SIZE = $80DC;
  GL_COLOR_TABLE_ALPHA_SIZE = $80DD;
  GL_COLOR_TABLE_LUMINANCE_SIZE = $80DE;
  GL_COLOR_TABLE_INTENSITY_SIZE = $80DF;
  GL_CONSTANT_BORDER = $8151;
  GL_REPLICATE_BORDER = $8153;
  GL_CONVOLUTION_BORDER_COLOR = $8154;
  // end deprecated

  // GL_ARB_matrix_palette
  GL_MATRIX_PALETTE_ARB = $8840;
  GL_MAX_MATRIX_PALETTE_STACK_DEPTH_ARB = $8841;
  GL_MAX_PALETTE_MATRICES_ARB = $8842;
  GL_CURRENT_PALETTE_MATRIX_ARB = $8843;
  GL_MATRIX_INDEX_ARRAY_ARB = $8844;
  GL_CURRENT_MATRIX_INDEX_ARB = $8845;
  GL_MATRIX_INDEX_ARRAY_SIZE_ARB = $8846;
  GL_MATRIX_INDEX_ARRAY_TYPE_ARB = $8847;
  GL_MATRIX_INDEX_ARRAY_STRIDE_ARB = $8848;
  GL_MATRIX_INDEX_ARRAY_POINTER_ARB = $8849;

  // GL_ARB_multisample
  GL_MULTISAMPLE_ARB = $809D;
  GL_SAMPLE_ALPHA_TO_COVERAGE_ARB = $809E;
  GL_SAMPLE_ALPHA_TO_ONE_ARB = $809F;
  GL_SAMPLE_COVERAGE_ARB = $80A0;
  GL_SAMPLE_BUFFERS_ARB = $80A8;
  GL_SAMPLES_ARB = $80A9;
  GL_SAMPLE_COVERAGE_VALUE_ARB = $80AA;
  GL_SAMPLE_COVERAGE_INVERT_ARB = $80AB;
  GL_MULTISAMPLE_BIT_ARB = $20000000;

  // GL_ARB_multitexture
  GL_TEXTURE0_ARB = $84C0;
  GL_TEXTURE1_ARB = $84C1;
  GL_TEXTURE2_ARB = $84C2;
  GL_TEXTURE3_ARB = $84C3;
  GL_TEXTURE4_ARB = $84C4;
  GL_TEXTURE5_ARB = $84C5;
  GL_TEXTURE6_ARB = $84C6;
  GL_TEXTURE7_ARB = $84C7;
  GL_TEXTURE8_ARB = $84C8;
  GL_TEXTURE9_ARB = $84C9;
  GL_TEXTURE10_ARB = $84CA;
  GL_TEXTURE11_ARB = $84CB;
  GL_TEXTURE12_ARB = $84CC;
  GL_TEXTURE13_ARB = $84CD;
  GL_TEXTURE14_ARB = $84CE;
  GL_TEXTURE15_ARB = $84CF;
  GL_TEXTURE16_ARB = $84D0;
  GL_TEXTURE17_ARB = $84D1;
  GL_TEXTURE18_ARB = $84D2;
  GL_TEXTURE19_ARB = $84D3;
  GL_TEXTURE20_ARB = $84D4;
  GL_TEXTURE21_ARB = $84D5;
  GL_TEXTURE22_ARB = $84D6;
  GL_TEXTURE23_ARB = $84D7;
  GL_TEXTURE24_ARB = $84D8;
  GL_TEXTURE25_ARB = $84D9;
  GL_TEXTURE26_ARB = $84DA;
  GL_TEXTURE27_ARB = $84DB;
  GL_TEXTURE28_ARB = $84DC;
  GL_TEXTURE29_ARB = $84DD;
  GL_TEXTURE30_ARB = $84DE;
  GL_TEXTURE31_ARB = $84DF;
  GL_ACTIVE_TEXTURE_ARB = $84E0;
  GL_CLIENT_ACTIVE_TEXTURE_ARB = $84E1;
  GL_MAX_TEXTURE_UNITS_ARB = $84E2;

  // GL_ARB_point_parameters
  GL_POINT_SIZE_MIN_ARB = $8126;
  GL_POINT_SIZE_MAX_ARB = $8127;
  GL_POINT_FADE_THRESHOLD_SIZE_ARB = $8128;
  GL_POINT_DISTANCE_ATTENUATION_ARB = $8129;

  // GL_ARB_shadow
  GL_TEXTURE_COMPARE_MODE_ARB = $884C;
  GL_TEXTURE_COMPARE_FUNC_ARB = $884D;
  GL_COMPARE_R_TO_TEXTURE_ARB = $884E;

  // GL_ARB_shadow_ambient
  GL_TEXTURE_COMPARE_FAIL_VALUE_ARB = $80BF;

  // GL_ARB_sparse_buffer
  GL_SPARSE_STORAGE_BIT_ARB = $0400;
  GL_SPARSE_BUFFER_PAGE_SIZE_ARB = $82F8;

  // GL_ARB_texture_border_clamp
  GL_CLAMP_TO_BORDER_ARB = $812D;

  // GL_ARB_texture_compression
  GL_COMPRESSED_ALPHA_ARB = $84E9;
  GL_COMPRESSED_LUMINANCE_ARB = $84EA;
  GL_COMPRESSED_LUMINANCE_ALPHA_ARB = $84EB;
  GL_COMPRESSED_INTENSITY_ARB = $84EC;
  GL_COMPRESSED_RGB_ARB = $84ED;
  GL_COMPRESSED_RGBA_ARB = $84EE;
  GL_TEXTURE_COMPRESSION_HINT_ARB = $84EF;
  GL_TEXTURE_COMPRESSED_IMAGE_SIZE_ARB = $86A0;
  GL_TEXTURE_COMPRESSED_ARB = $86A1;
  GL_NUM_COMPRESSED_TEXTURE_FORMATS_ARB = $86A2;
  GL_COMPRESSED_TEXTURE_FORMATS_ARB = $86A3;

  // GL_ARB_texture_cube_map
  GL_NORMAL_MAP_ARB = $8511;
  GL_REFLECTION_MAP_ARB = $8512;
  GL_TEXTURE_CUBE_MAP_ARB = $8513;
  GL_TEXTURE_BINDING_CUBE_MAP_ARB = $8514;
  GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB = $8515;
  GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB = $8516;
  GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB = $8517;
  GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB = $8518;
  GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB = $8519;
  GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB = $851A;
  GL_PROXY_TEXTURE_CUBE_MAP_ARB = $851B;
  GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB = $851C;

  // GL_ARB_texture_env_combine
  GL_COMBINE_ARB = $8570;
  GL_COMBINE_RGB_ARB = $8571;
  GL_COMBINE_ALPHA_ARB = $8572;
  GL_SOURCE0_RGB_ARB = $8580;
  GL_SOURCE1_RGB_ARB = $8581;
  GL_SOURCE2_RGB_ARB = $8582;
  GL_SOURCE0_ALPHA_ARB = $8588;
  GL_SOURCE1_ALPHA_ARB = $8589;
  GL_SOURCE2_ALPHA_ARB = $858A;
  GL_OPERAND0_RGB_ARB = $8590;
  GL_OPERAND1_RGB_ARB = $8591;
  GL_OPERAND2_RGB_ARB = $8592;
  GL_OPERAND0_ALPHA_ARB = $8598;
  GL_OPERAND1_ALPHA_ARB = $8599;
  GL_OPERAND2_ALPHA_ARB = $859A;
  GL_RGB_SCALE_ARB = $8573;
  GL_ADD_SIGNED_ARB = $8574;
  GL_INTERPOLATE_ARB = $8575;
  GL_SUBTRACT_ARB = $84E7;
  GL_CONSTANT_ARB = $8576;
  GL_PRIMARY_COLOR_ARB = $8577;
  GL_PREVIOUS_ARB = $8578;

  // GL_ARB_texture_env_dot3
  GL_DOT3_RGB_ARB = $86AE;
  GL_DOT3_RGBA_ARB = $86AF;

  // GL_ARB_texture_filter_minmax
  GL_TEXTURE_REDUCTION_MODE_ARB = $9366;
  GL_WEIGHTED_AVERAGE_ARB = $9367;

  // GL_ARB_texture_mirrored_repeat
  GL_MIRRORED_REPEAT_ARB = $8370;

  // GL_ARB_transpose_matrix
  GL_TRANSPOSE_MODELVIEW_MATRIX_ARB = $84E3;
  GL_TRANSPOSE_PROJECTION_MATRIX_ARB = $84E4;
  GL_TRANSPOSE_TEXTURE_MATRIX_ARB = $84E5;
  GL_TRANSPOSE_COLOR_MATRIX_ARB = $84E6;

  // GL_ARB_vertex_blend
  GL_MAX_VERTEX_UNITS_ARB = $86A4;
  GL_ACTIVE_VERTEX_UNITS_ARB = $86A5;
  GL_WEIGHT_SUM_UNITY_ARB = $86A6;
  GL_VERTEX_BLEND_ARB = $86A7;
  GL_CURRENT_WEIGHT_ARB = $86A8;
  GL_WEIGHT_ARRAY_TYPE_ARB = $86A9;
  GL_WEIGHT_ARRAY_STRIDE_ARB = $86AA;
  GL_WEIGHT_ARRAY_SIZE_ARB = $86AB;
  GL_WEIGHT_ARRAY_POINTER_ARB = $86AC;
  GL_WEIGHT_ARRAY_ARB = $86AD;
  GL_MODELVIEW0_ARB = $1700;
  GL_MODELVIEW1_ARB = $850A;
  GL_MODELVIEW2_ARB = $8722;
  GL_MODELVIEW3_ARB = $8723;
  GL_MODELVIEW4_ARB = $8724;
  GL_MODELVIEW5_ARB = $8725;
  GL_MODELVIEW6_ARB = $8726;
  GL_MODELVIEW7_ARB = $8727;
  GL_MODELVIEW8_ARB = $8728;
  GL_MODELVIEW9_ARB = $8729;
  GL_MODELVIEW10_ARB = $872A;
  GL_MODELVIEW11_ARB = $872B;
  GL_MODELVIEW12_ARB = $872C;
  GL_MODELVIEW13_ARB = $872D;
  GL_MODELVIEW14_ARB = $872E;
  GL_MODELVIEW15_ARB = $872F;
  GL_MODELVIEW16_ARB = $8730;
  GL_MODELVIEW17_ARB = $8731;
  GL_MODELVIEW18_ARB = $8732;
  GL_MODELVIEW19_ARB = $8733;
  GL_MODELVIEW20_ARB = $8734;
  GL_MODELVIEW21_ARB = $8735;
  GL_MODELVIEW22_ARB = $8736;
  GL_MODELVIEW23_ARB = $8737;
  GL_MODELVIEW24_ARB = $8738;
  GL_MODELVIEW25_ARB = $8739;
  GL_MODELVIEW26_ARB = $873A;
  GL_MODELVIEW27_ARB = $873B;
  GL_MODELVIEW28_ARB = $873C;
  GL_MODELVIEW29_ARB = $873D;
  GL_MODELVIEW30_ARB = $873E;
  GL_MODELVIEW31_ARB = $873F;

  // GL_ARB_vertex_buffer_object
  GL_BUFFER_SIZE_ARB = $8764;
  GL_BUFFER_USAGE_ARB = $8765;
  GL_ARRAY_BUFFER_ARB = $8892;
  GL_ELEMENT_ARRAY_BUFFER_ARB = $8893;
  GL_ARRAY_BUFFER_BINDING_ARB = $8894;
  GL_ELEMENT_ARRAY_BUFFER_BINDING_ARB = $8895;
  GL_VERTEX_ARRAY_BUFFER_BINDING_ARB = $8896;
  GL_NORMAL_ARRAY_BUFFER_BINDING_ARB = $8897;
  GL_COLOR_ARRAY_BUFFER_BINDING_ARB = $8898;
  GL_INDEX_ARRAY_BUFFER_BINDING_ARB = $8899;
  GL_TEXTURE_COORD_ARRAY_BUFFER_BINDING_ARB = $889A;
  GL_EDGE_FLAG_ARRAY_BUFFER_BINDING_ARB = $889B;
  GL_SECONDARY_COLOR_ARRAY_BUFFER_BINDING_ARB = $889C;
  GL_FOG_COORDINATE_ARRAY_BUFFER_BINDING_ARB = $889D;
  GL_WEIGHT_ARRAY_BUFFER_BINDING_ARB = $889E;
  GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING_ARB = $889F;
  GL_READ_ONLY_ARB = $88B8;
  GL_WRITE_ONLY_ARB = $88B9;
  GL_READ_WRITE_ARB = $88BA;
  GL_BUFFER_ACCESS_ARB = $88BB;
  GL_BUFFER_MAPPED_ARB = $88BC;
  GL_BUFFER_MAP_POINTER_ARB = $88BD;
  GL_STREAM_DRAW_ARB = $88E0;
  GL_STREAM_READ_ARB = $88E1;
  GL_STREAM_COPY_ARB = $88E2;
  GL_STATIC_DRAW_ARB = $88E4;
  GL_STATIC_READ_ARB = $88E5;
  GL_STATIC_COPY_ARB = $88E6;
  GL_DYNAMIC_DRAW_ARB = $88E8;
  GL_DYNAMIC_READ_ARB = $88E9;
  GL_DYNAMIC_COPY_ARB = $88EA;

  // GL_ARB_vertex_program
  GL_COLOR_SUM_ARB = $8458;
  GL_VERTEX_PROGRAM_ARB = $8620;
  GL_VERTEX_ATTRIB_ARRAY_ENABLED_ARB = $8622;
  GL_VERTEX_ATTRIB_ARRAY_SIZE_ARB = $8623;
  GL_VERTEX_ATTRIB_ARRAY_STRIDE_ARB = $8624;
  GL_VERTEX_ATTRIB_ARRAY_TYPE_ARB = $8625;
  GL_CURRENT_VERTEX_ATTRIB_ARB = $8626;
  GL_PROGRAM_LENGTH_ARB = $8627;
  GL_PROGRAM_STRING_ARB = $8628;
  GL_MAX_PROGRAM_MATRIX_STACK_DEPTH_ARB = $862E;
  GL_MAX_PROGRAM_MATRICES_ARB = $862F;
  GL_CURRENT_MATRIX_STACK_DEPTH_ARB = $8640;
  GL_CURRENT_MATRIX_ARB = $8641;
  GL_VERTEX_PROGRAM_POINT_SIZE_ARB = $8642;
  GL_VERTEX_PROGRAM_TWO_SIDE_ARB = $8643;
  GL_VERTEX_ATTRIB_ARRAY_POINTER_ARB = $8645;
  GL_PROGRAM_ERROR_POSITION_ARB = $864B;
  GL_PROGRAM_BINDING_ARB = $8677;
  GL_MAX_VERTEX_ATTRIBS_ARB = $8869;
  GL_VERTEX_ATTRIB_ARRAY_NORMALIZED_ARB = $886A;
  GL_PROGRAM_ERROR_STRING_ARB = $8874;
  GL_PROGRAM_FORMAT_ASCII_ARB = $8875;
  GL_PROGRAM_FORMAT_ARB = $8876;
  GL_PROGRAM_INSTRUCTIONS_ARB = $88A0;
  GL_MAX_PROGRAM_INSTRUCTIONS_ARB = $88A1;
  GL_PROGRAM_NATIVE_INSTRUCTIONS_ARB = $88A2;
  GL_MAX_PROGRAM_NATIVE_INSTRUCTIONS_ARB = $88A3;
  GL_PROGRAM_TEMPORARIES_ARB = $88A4;
  GL_MAX_PROGRAM_TEMPORARIES_ARB = $88A5;
  GL_PROGRAM_NATIVE_TEMPORARIES_ARB = $88A6;
  GL_MAX_PROGRAM_NATIVE_TEMPORARIES_ARB = $88A7;
  GL_PROGRAM_PARAMETERS_ARB = $88A8;
  GL_MAX_PROGRAM_PARAMETERS_ARB = $88A9;
  GL_PROGRAM_NATIVE_PARAMETERS_ARB = $88AA;
  GL_MAX_PROGRAM_NATIVE_PARAMETERS_ARB = $88AB;
  GL_PROGRAM_ATTRIBS_ARB = $88AC;
  GL_MAX_PROGRAM_ATTRIBS_ARB = $88AD;
  GL_PROGRAM_NATIVE_ATTRIBS_ARB = $88AE;
  GL_MAX_PROGRAM_NATIVE_ATTRIBS_ARB = $88AF;
  GL_PROGRAM_ADDRESS_REGISTERS_ARB = $88B0;
  GL_MAX_PROGRAM_ADDRESS_REGISTERS_ARB = $88B1;
  GL_PROGRAM_NATIVE_ADDRESS_REGISTERS_ARB = $88B2;
  GL_MAX_PROGRAM_NATIVE_ADDRESS_REGISTERS_ARB = $88B3;
  GL_MAX_PROGRAM_LOCAL_PARAMETERS_ARB = $88B4;
  GL_MAX_PROGRAM_ENV_PARAMETERS_ARB = $88B5;
  GL_PROGRAM_UNDER_NATIVE_LIMITS_ARB = $88B6;
  GL_TRANSPOSE_CURRENT_MATRIX_ARB = $88B7;
  GL_MATRIX0_ARB = $88C0;
  GL_MATRIX1_ARB = $88C1;
  GL_MATRIX2_ARB = $88C2;
  GL_MATRIX3_ARB = $88C3;
  GL_MATRIX4_ARB = $88C4;
  GL_MATRIX5_ARB = $88C5;
  GL_MATRIX6_ARB = $88C6;
  GL_MATRIX7_ARB = $88C7;
  GL_MATRIX8_ARB = $88C8;
  GL_MATRIX9_ARB = $88C9;
  GL_MATRIX10_ARB = $88CA;
  GL_MATRIX11_ARB = $88CB;
  GL_MATRIX12_ARB = $88CC;
  GL_MATRIX13_ARB = $88CD;
  GL_MATRIX14_ARB = $88CE;
  GL_MATRIX15_ARB = $88CF;
  GL_MATRIX16_ARB = $88D0;
  GL_MATRIX17_ARB = $88D1;
  GL_MATRIX18_ARB = $88D2;
  GL_MATRIX19_ARB = $88D3;
  GL_MATRIX20_ARB = $88D4;
  GL_MATRIX21_ARB = $88D5;
  GL_MATRIX22_ARB = $88D6;
  GL_MATRIX23_ARB = $88D7;
  GL_MATRIX24_ARB = $88D8;
  GL_MATRIX25_ARB = $88D9;
  GL_MATRIX26_ARB = $88DA;
  GL_MATRIX27_ARB = $88DB;
  GL_MATRIX28_ARB = $88DC;
  GL_MATRIX29_ARB = $88DD;
  GL_MATRIX30_ARB = $88DE;
  GL_MATRIX31_ARB = $88DF;

  // GL_ARB_draw_buffers
  GL_MAX_DRAW_BUFFERS_ARB = $8824;
  GL_DRAW_BUFFER0_ARB = $8825;
  GL_DRAW_BUFFER1_ARB = $8826;
  GL_DRAW_BUFFER2_ARB = $8827;
  GL_DRAW_BUFFER3_ARB = $8828;
  GL_DRAW_BUFFER4_ARB = $8829;
  GL_DRAW_BUFFER5_ARB = $882A;
  GL_DRAW_BUFFER6_ARB = $882B;
  GL_DRAW_BUFFER7_ARB = $882C;
  GL_DRAW_BUFFER8_ARB = $882D;
  GL_DRAW_BUFFER9_ARB = $882E;
  GL_DRAW_BUFFER10_ARB = $882F;
  GL_DRAW_BUFFER11_ARB = $8830;
  GL_DRAW_BUFFER12_ARB = $8831;
  GL_DRAW_BUFFER13_ARB = $8832;
  GL_DRAW_BUFFER14_ARB = $8833;
  GL_DRAW_BUFFER15_ARB = $8834;

  // GL_ARB_texture_rectangle
  GL_TEXTURE_RECTANGLE_ARB = $84F5;
  GL_TEXTURE_BINDING_RECTANGLE_ARB = $84F6;
  GL_PROXY_TEXTURE_RECTANGLE_ARB = $84F7;
  GL_MAX_RECTANGLE_TEXTURE_SIZE_ARB = $84F8;

  // GL_ARB_color_buffer_float
  GL_RGBA_FLOAT_MODE_ARB = $8820;
  GL_CLAMP_VERTEX_COLOR_ARB = $891A;
  GL_CLAMP_FRAGMENT_COLOR_ARB = $891B;
  GL_CLAMP_READ_COLOR_ARB = $891C;
  GL_FIXED_ONLY_ARB = $891D;
  WGL_TYPE_RGBA_FLOAT_ARB = $21A0;
  GLX_RGBA_FLOAT_TYPE = $20B9;
  GLX_RGBA_FLOAT_BIT = $00000004;

  // GL_ARB_compute_variable_group_size
  GL_MAX_COMPUTE_VARIABLE_GROUP_INVOCATIONS_ARB = $9344;
  GL_MAX_COMPUTE_FIXED_GROUP_INVOCATIONS_ARB = $90EB;
  GL_MAX_COMPUTE_VARIABLE_GROUP_SIZE_ARB = $9345;
  GL_MAX_COMPUTE_FIXED_GROUP_SIZE_ARB = $91BF;

  // GL_ARB_half_float_pixel
  GL_HALF_FLOAT_ARB = $140B;

  // GL_ARB_texture_float
  GL_TEXTURE_RED_TYPE_ARB = $8C10;
  GL_TEXTURE_GREEN_TYPE_ARB = $8C11;
  GL_TEXTURE_BLUE_TYPE_ARB = $8C12;
  GL_TEXTURE_ALPHA_TYPE_ARB = $8C13;
  GL_TEXTURE_LUMINANCE_TYPE_ARB = $8C14;
  GL_TEXTURE_INTENSITY_TYPE_ARB = $8C15;
  GL_TEXTURE_DEPTH_TYPE_ARB = $8C16;
  GL_UNSIGNED_NORMALIZED_ARB = $8C17;
  GL_RGBA32F_ARB = $8814;
  GL_RGB32F_ARB = $8815;
  GL_ALPHA32F_ARB = $8816;
  GL_INTENSITY32F_ARB = $8817;
  GL_LUMINANCE32F_ARB = $8818;
  GL_LUMINANCE_ALPHA32F_ARB = $8819;
  GL_RGBA16F_ARB = $881A;
  GL_RGB16F_ARB = $881B;
  GL_ALPHA16F_ARB = $881C;
  GL_INTENSITY16F_ARB = $881D;
  GL_LUMINANCE16F_ARB = $881E;
  GL_LUMINANCE_ALPHA16F_ARB = $881F;

  // GL_ARB_pixel_buffer_object
  GL_PIXEL_PACK_BUFFER_ARB = $88EB;
  GL_PIXEL_UNPACK_BUFFER_ARB = $88EC;
  GL_PIXEL_PACK_BUFFER_BINDING_ARB = $88ED;
  GL_PIXEL_UNPACK_BUFFER_BINDING_ARB = $88EF;

  // GL_ARB_depth_buffer_float
  GL_DEPTH_COMPONENT32F = $8CAC;
  GL_DEPTH32F_STENCIL8 = $8CAD;
  GL_FLOAT_32_UNSIGNED_INT_24_8_REV = $8DAD;

  // GL_ARB_framebuffer_object
  GL_INVALID_FRAMEBUFFER_OPERATION = $0506;
  GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING = $8210;
  GL_FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE = $8211;
  GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE = $8212;
  GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE = $8213;
  GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE = $8214;
  GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE = $8215;
  GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE = $8216;
  GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE = $8217;
  GL_FRAMEBUFFER_DEFAULT = $8218;
  GL_FRAMEBUFFER_UNDEFINED = $8219;
  GL_DEPTH_STENCIL_ATTACHMENT = $821A;
  GL_MAX_RENDERBUFFER_SIZE = $84E8;
  GL_DEPTH_STENCIL = $84F9;
  GL_UNSIGNED_INT_24_8 = $84FA;
  GL_DEPTH24_STENCIL8 = $88F0;
  GL_TEXTURE_STENCIL_SIZE = $88F1;
  GL_TEXTURE_RED_TYPE = $8C10;
  GL_TEXTURE_GREEN_TYPE = $8C11;
  GL_TEXTURE_BLUE_TYPE = $8C12;
  GL_TEXTURE_ALPHA_TYPE = $8C13;
  GL_TEXTURE_DEPTH_TYPE = $8C16;
  GL_UNSIGNED_NORMALIZED = $8C17;
  GL_FRAMEBUFFER_BINDING = $8CA6;
  GL_DRAW_FRAMEBUFFER_BINDING = GL_FRAMEBUFFER_BINDING;
  GL_RENDERBUFFER_BINDING = $8CA7;
  GL_READ_FRAMEBUFFER = $8CA8;
  GL_DRAW_FRAMEBUFFER = $8CA9;
  GL_READ_FRAMEBUFFER_BINDING = $8CAA;
  GL_RENDERBUFFER_SAMPLES = $8CAB;
  GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE = $8CD0;
  GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME = $8CD1;
  GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL = $8CD2;
  GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE = $8CD3;
  GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LAYER = $8CD4;
  GL_FRAMEBUFFER_COMPLETE = $8CD5;
  GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT = $8CD6;
  GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT = $8CD7;
  GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER = $8CDB;
  GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER = $8CDC;
  GL_FRAMEBUFFER_UNSUPPORTED = $8CDD;
  GL_MAX_COLOR_ATTACHMENTS = $8CDF;
  GL_COLOR_ATTACHMENT0 = $8CE0;
  GL_COLOR_ATTACHMENT1 = $8CE1;
  GL_COLOR_ATTACHMENT2 = $8CE2;
  GL_COLOR_ATTACHMENT3 = $8CE3;
  GL_COLOR_ATTACHMENT4 = $8CE4;
  GL_COLOR_ATTACHMENT5 = $8CE5;
  GL_COLOR_ATTACHMENT6 = $8CE6;
  GL_COLOR_ATTACHMENT7 = $8CE7;
  GL_COLOR_ATTACHMENT8 = $8CE8;
  GL_COLOR_ATTACHMENT9 = $8CE9;
  GL_COLOR_ATTACHMENT10 = $8CEA;
  GL_COLOR_ATTACHMENT11 = $8CEB;
  GL_COLOR_ATTACHMENT12 = $8CEC;
  GL_COLOR_ATTACHMENT13 = $8CED;
  GL_COLOR_ATTACHMENT14 = $8CEE;
  GL_COLOR_ATTACHMENT15 = $8CEF;
  GL_DEPTH_ATTACHMENT = $8D00;
  GL_STENCIL_ATTACHMENT = $8D20;
  GL_FRAMEBUFFER = $8D40;
  GL_RENDERBUFFER = $8D41;
  GL_RENDERBUFFER_WIDTH = $8D42;
  GL_RENDERBUFFER_HEIGHT = $8D43;
  GL_RENDERBUFFER_INTERNAL_FORMAT = $8D44;
  GL_STENCIL_INDEX1 = $8D46;
  GL_STENCIL_INDEX4 = $8D47;
  GL_STENCIL_INDEX8 = $8D48;
  GL_STENCIL_INDEX16 = $8D49;
  GL_RENDERBUFFER_RED_SIZE = $8D50;
  GL_RENDERBUFFER_GREEN_SIZE = $8D51;
  GL_RENDERBUFFER_BLUE_SIZE = $8D52;
  GL_RENDERBUFFER_ALPHA_SIZE = $8D53;
  GL_RENDERBUFFER_DEPTH_SIZE = $8D54;
  GL_RENDERBUFFER_STENCIL_SIZE = $8D55;
  GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE = $8D56;
  GL_MAX_SAMPLES = $8D57;
  // deprecated
  GL_INDEX = $8222;
  GL_TEXTURE_LUMINANCE_TYPE = $8C14;
  GL_TEXTURE_INTENSITY_TYPE = $8C15;
  // end deprecated

  // GL_ARB_framebuffer_sRGB
  GL_FRAMEBUFFER_SRGB = $8DB9;

  // GL_ARB_geometry_shader4
  GL_LINES_ADJACENCY_ARB = $000A;
  GL_LINE_STRIP_ADJACENCY_ARB = $000B;
  GL_TRIANGLES_ADJACENCY_ARB = $000C;
  GL_TRIANGLE_STRIP_ADJACENCY_ARB = $000D;
  GL_PROGRAM_POINT_SIZE_ARB = $8642;
  GL_MAX_GEOMETRY_TEXTURE_IMAGE_UNITS_ARB = $8C29;
  GL_FRAMEBUFFER_ATTACHMENT_LAYERED_ARB = $8DA7;
  GL_FRAMEBUFFER_INCOMPLETE_LAYER_TARGETS_ARB = $8DA8;
  GL_FRAMEBUFFER_INCOMPLETE_LAYER_COUNT_ARB = $8DA9;
  GL_GEOMETRY_SHADER_ARB = $8DD9;
  GL_GEOMETRY_VERTICES_OUT_ARB = $8DDA;
  GL_GEOMETRY_INPUT_TYPE_ARB = $8DDB;
  GL_GEOMETRY_OUTPUT_TYPE_ARB = $8DDC;
  GL_MAX_GEOMETRY_VARYING_COMPONENTS_ARB = $8DDD;
  GL_MAX_VERTEX_VARYING_COMPONENTS_ARB = $8DDE;
  GL_MAX_GEOMETRY_UNIFORM_COMPONENTS_ARB = $8DDF;
  GL_MAX_GEOMETRY_OUTPUT_VERTICES_ARB = $8DE0;
  GL_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS_ARB = $8DE1;
  { reuse GL_MAX_VARYING_COMPONENTS }
  { reuse GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LAYER }

  // GL_ARB_gl_spirv
  GL_SHADER_BINARY_FORMAT_SPIR_V_ARB = $9551;
  GL_SPIR_V_BINARY_ARB = $9552;

  // GL_ARB_half_float_vertex
  GL_HALF_FLOAT = $140B;

  // GL_ARB_instanced_arrays
  GL_VERTEX_ATTRIB_ARRAY_DIVISOR_ARB = $88FE;

  // GL_ARB_map_buffer_range
  GL_MAP_READ_BIT = $0001;
  GL_MAP_WRITE_BIT = $0002;
  GL_MAP_INVALIDATE_RANGE_BIT = $0004;
  GL_MAP_INVALIDATE_BUFFER_BIT = $0008;
  GL_MAP_FLUSH_EXPLICIT_BIT = $0010;
  GL_MAP_UNSYNCHRONIZED_BIT = $0020;

  // GL_ARB_texture_buffer_object
  GL_TEXTURE_BUFFER_ARB = $8C2A;
  GL_MAX_TEXTURE_BUFFER_SIZE_ARB = $8C2B;
  GL_TEXTURE_BINDING_BUFFER_ARB = $8C2C;
  GL_TEXTURE_BUFFER_DATA_STORE_BINDING_ARB = $8C2D;
  GL_TEXTURE_BUFFER_FORMAT_ARB = $8C2E;

  // GL_ARB_texture_compression_rgtc
  GL_COMPRESSED_RED_RGTC1 = $8DBB;
  GL_COMPRESSED_SIGNED_RED_RGTC1 = $8DBC;
  GL_COMPRESSED_RG_RGTC2 = $8DBD;
  GL_COMPRESSED_SIGNED_RG_RGTC2 = $8DBE;

  // GL_ARB_texture_rg
  GL_RG = $8227;
  GL_RG_INTEGER = $8228;
  GL_R8 = $8229;
  GL_R16 = $822A;
  GL_RG8 = $822B;
  GL_RG16 = $822C;
  GL_R16F = $822D;
  GL_R32F = $822E;
  GL_RG16F = $822F;
  GL_RG32F = $8230;
  GL_R8I = $8231;
  GL_R8UI = $8232;
  GL_R16I = $8233;
  GL_R16UI = $8234;
  GL_R32I = $8235;
  GL_R32UI = $8236;
  GL_RG8I = $8237;
  GL_RG8UI = $8238;
  GL_RG16I = $8239;
  GL_RG16UI = $823A;
  GL_RG32I = $823B;
  GL_RG32UI = $823C;

  // GL_ARB_vertex_array_object
  GL_VERTEX_ARRAY_BINDING = $85B5;

  // GL_ARB_uniform_buffer_object
  GL_UNIFORM_BUFFER = $8A11;
  GL_UNIFORM_BUFFER_BINDING = $8A28;
  GL_UNIFORM_BUFFER_START = $8A29;
  GL_UNIFORM_BUFFER_SIZE = $8A2A;
  GL_MAX_VERTEX_UNIFORM_BLOCKS = $8A2B;
  GL_MAX_GEOMETRY_UNIFORM_BLOCKS = $8A2C;
  GL_MAX_FRAGMENT_UNIFORM_BLOCKS = $8A2D;
  GL_MAX_COMBINED_UNIFORM_BLOCKS = $8A2E;
  GL_MAX_UNIFORM_BUFFER_BINDINGS = $8A2F;
  GL_MAX_UNIFORM_BLOCK_SIZE = $8A30;
  GL_MAX_COMBINED_VERTEX_UNIFORM_COMPONENTS = $8A31;
  GL_MAX_COMBINED_GEOMETRY_UNIFORM_COMPONENTS = $8A32;
  GL_MAX_COMBINED_FRAGMENT_UNIFORM_COMPONENTS = $8A33;
  GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT = $8A34;
  GL_ACTIVE_UNIFORM_BLOCK_MAX_NAME_LENGTH = $8A35;
  GL_ACTIVE_UNIFORM_BLOCKS = $8A36;
  GL_UNIFORM_TYPE = $8A37;
  GL_UNIFORM_SIZE = $8A38;
  GL_UNIFORM_NAME_LENGTH = $8A39;
  GL_UNIFORM_BLOCK_INDEX = $8A3A;
  GL_UNIFORM_OFFSET = $8A3B;
  GL_UNIFORM_ARRAY_STRIDE = $8A3C;
  GL_UNIFORM_MATRIX_STRIDE = $8A3D;
  GL_UNIFORM_IS_ROW_MAJOR = $8A3E;
  GL_UNIFORM_BLOCK_BINDING = $8A3F;
  GL_UNIFORM_BLOCK_DATA_SIZE = $8A40;
  GL_UNIFORM_BLOCK_NAME_LENGTH = $8A41;
  GL_UNIFORM_BLOCK_ACTIVE_UNIFORMS = $8A42;
  GL_UNIFORM_BLOCK_ACTIVE_UNIFORM_INDICES = $8A43;
  GL_UNIFORM_BLOCK_REFERENCED_BY_VERTEX_SHADER = $8A44;
  GL_UNIFORM_BLOCK_REFERENCED_BY_GEOMETRY_SHADER = $8A45;
  GL_UNIFORM_BLOCK_REFERENCED_BY_FRAGMENT_SHADER = $8A46;
  GL_INVALID_INDEX = $FFFFFFFF;

  // GL_ARB_compatibility
  { ARB_compatibility just defines tokens from core 3.0 }

  // GL_ARB_copy_buffer
  GL_COPY_READ_BUFFER_BINDING = $8F36;
  GL_COPY_READ_BUFFER = GL_COPY_READ_BUFFER_BINDING;
  GL_COPY_WRITE_BUFFER_BINDING = $8F37;
  GL_COPY_WRITE_BUFFER = GL_COPY_WRITE_BUFFER_BINDING;

  // GL_ARB_depth_clamp
  GL_DEPTH_CLAMP = $864F;

  // GL_ARB_provoking_vertex
  GL_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION = $8E4C;
  GL_FIRST_VERTEX_CONVENTION = $8E4D;
  GL_LAST_VERTEX_CONVENTION = $8E4E;
  GL_PROVOKING_VERTEX = $8E4F;

  // GL_ARB_seamless_cube_map
  GL_TEXTURE_CUBE_MAP_SEAMLESS = $884F;

  // GL_ARB_sync
  GL_MAX_SERVER_WAIT_TIMEOUT = $9111;
  GL_OBJECT_TYPE = $9112;
  GL_SYNC_CONDITION = $9113;
  GL_SYNC_STATUS = $9114;
  GL_SYNC_FLAGS = $9115;
  GL_SYNC_FENCE = $9116;
  GL_SYNC_GPU_COMMANDS_COMPLETE = $9117;
  GL_UNSIGNALED = $9118;
  GL_SIGNALED = $9119;
  GL_ALREADY_SIGNALED = $911A;
  GL_TIMEOUT_EXPIRED = $911B;
  GL_CONDITION_SATISFIED = $911C;
  GL_WAIT_FAILED = $911D;
  GL_SYNC_FLUSH_COMMANDS_BIT = $00000001;
  GL_TIMEOUT_IGNORED = $FFFFFFFFFFFFFFFF;

  // GL_ARB_texture_multisample
  GL_SAMPLE_POSITION = $8E50;
  GL_SAMPLE_MASK = $8E51;
  GL_SAMPLE_MASK_VALUE = $8E52;
  GL_MAX_SAMPLE_MASK_WORDS = $8E59;
  GL_TEXTURE_2D_MULTISAMPLE = $9100;
  GL_PROXY_TEXTURE_2D_MULTISAMPLE = $9101;
  GL_TEXTURE_2D_MULTISAMPLE_ARRAY = $9102;
  GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY = $9103;
  GL_TEXTURE_BINDING_2D_MULTISAMPLE = $9104;
  GL_TEXTURE_BINDING_2D_MULTISAMPLE_ARRAY = $9105;
  GL_TEXTURE_SAMPLES = $9106;
  GL_TEXTURE_FIXED_SAMPLE_LOCATIONS = $9107;
  GL_SAMPLER_2D_MULTISAMPLE = $9108;
  GL_INT_SAMPLER_2D_MULTISAMPLE = $9109;
  GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE = $910A;
  GL_SAMPLER_2D_MULTISAMPLE_ARRAY = $910B;
  GL_INT_SAMPLER_2D_MULTISAMPLE_ARRAY = $910C;
  GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE_ARRAY = $910D;
  GL_MAX_COLOR_TEXTURE_SAMPLES = $910E;
  GL_MAX_DEPTH_TEXTURE_SAMPLES = $910F;
  GL_MAX_INTEGER_SAMPLES = $9110;

  // GL_ARB_vertex_array_bgra
  { reuse GL_BGRA }

  // GL_ARB_sample_shading
  GL_SAMPLE_SHADING_ARB = $8C36;
  GL_MIN_SAMPLE_SHADING_VALUE_ARB = $8C37;

  // GL_ARB_sample_locations
  GL_SAMPLE_LOCATION_SUBPIXEL_BITS_ARB = $933D;
  GL_SAMPLE_LOCATION_PIXEL_GRID_WIDTH_ARB = $933E;
  GL_SAMPLE_LOCATION_PIXEL_GRID_HEIGHT_ARB = $933F;
  GL_PROGRAMMABLE_SAMPLE_LOCATION_TABLE_SIZE_ARB = $9340;
  GL_SAMPLE_LOCATION_ARB = $8E50;
  GL_PROGRAMMABLE_SAMPLE_LOCATION_ARB = $9341;
  GL_FRAMEBUFFER_PROGRAMMABLE_SAMPLE_LOCATIONS_ARB = $9342;
  GL_FRAMEBUFFER_SAMPLE_LOCATION_PIXEL_GRID_ARB = $9343;

  // GL_ARB_texture_cube_map_array
  GL_TEXTURE_CUBE_MAP_ARRAY_ARB = $9009;
  GL_TEXTURE_BINDING_CUBE_MAP_ARRAY_ARB = $900A;
  GL_PROXY_TEXTURE_CUBE_MAP_ARRAY_ARB = $900B;
  GL_SAMPLER_CUBE_MAP_ARRAY_ARB = $900C;
  GL_SAMPLER_CUBE_MAP_ARRAY_SHADOW_ARB = $900D;
  GL_INT_SAMPLER_CUBE_MAP_ARRAY_ARB = $900E;
  GL_UNSIGNED_INT_SAMPLER_CUBE_MAP_ARRAY_ARB = $900F;

  // GL_ARB_texture_gather
  GL_MIN_PROGRAM_TEXTURE_GATHER_OFFSET_ARB = $8E5E;
  GL_MAX_PROGRAM_TEXTURE_GATHER_OFFSET_ARB = $8E5F;

  // GL_ARB_shading_language_include
  GL_SHADER_INCLUDE_ARB = $8DAE;
  GL_NAMED_STRING_LENGTH_ARB = $8DE9;
  GL_NAMED_STRING_TYPE_ARB = $8DEA;

  // GL_ARB_texture_compression_bptc
  GL_COMPRESSED_RGBA_BPTC_UNORM_ARB = $8E8C;
  GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM_ARB = $8E8D;
  GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT_ARB = $8E8E;
  GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_ARB = $8E8F;

  // GL_ARB_blend_func_extended
  GL_SRC1_COLOR = $88F9;
  { reuse GL_SRC1_ALPHA }
  GL_ONE_MINUS_SRC1_COLOR = $88FA;
  GL_ONE_MINUS_SRC1_ALPHA = $88FB;
  GL_MAX_DUAL_SOURCE_DRAW_BUFFERS = $88FC;

  // GL_ARB_occlusion_query2
  GL_ANY_SAMPLES_PASSED = $8C2F;

  // GL_ARB_parallel_shader_compile
  GL_MAX_SHADER_COMPILER_THREADS_ARB = $91B0;
  GL_COMPLETION_STATUS_ARB = $91B1;

  // GL_ARB_sampler_objects
  GL_SAMPLER_BINDING = $8919;

  // GL_ARB_texture_rgb10_a2ui
  GL_RGB10_A2UI = $906F;

  // GL_ARB_texture_swizzle
  GL_TEXTURE_SWIZZLE_R = $8E42;
  GL_TEXTURE_SWIZZLE_G = $8E43;
  GL_TEXTURE_SWIZZLE_B = $8E44;
  GL_TEXTURE_SWIZZLE_A = $8E45;
  GL_TEXTURE_SWIZZLE_RGBA = $8E46;

  // GL_ARB_SPARSE_TEXTURE
  GL_TEXTURE_SPARSE_ARB = $91A6;
  GL_VIRTUAL_PAGE_SIZE_INDEX_ARB = $91A7;
  GL_NUM_VIRTUAL_PAGE_SIZES_ARB = $91A8;
  GL_SPARSE_TEXTURE_FULL_ARRAY_CUBE_MIPMAPS_ARB = $91A9;
  GL_NUM_SPARSE_LEVELS_ARB = $91AA;
  GL_VIRTUAL_PAGE_SIZE_X_ARB = $9195;
  GL_VIRTUAL_PAGE_SIZE_Y_ARB = $9196;
  GL_VIRTUAL_PAGE_SIZE_Z_ARB = $9197;
  GL_MAX_SPARSE_TEXTURE_SIZE_ARB = $9198;
  GL_MAX_SPARSE_3D_TEXTURE_SIZE_ARB = $9199;
  GL_MAX_SPARSE_ARRAY_TEXTURE_LAYERS_ARB = $919A;
  GL_MIN_SPARSE_LEVEL_ARB = $919B;

  // GL_ARB_timer_query
  GL_TIME_ELAPSED = $88BF;
  GL_TIMESTAMP = $8E28;

  // GL_ARB_vertex_type_2_10_10_10_rev
  { reuse GL_UNSIGNED_INT_2_10_10_10_REV }
  GL_INT_2_10_10_10_REV = $8D9F;

  // GL_ARB_draw_indirect
  GL_DRAW_INDIRECT_BUFFER = $8F3F;
  GL_DRAW_INDIRECT_BUFFER_BINDING = $8F43;

  // GL_ARB_gpu_shader5
  GL_GEOMETRY_SHADER_INVOCATIONS = $887F;
  GL_MAX_GEOMETRY_SHADER_INVOCATIONS = $8E5A;
  GL_MIN_FRAGMENT_INTERPOLATION_OFFSET = $8E5B;
  GL_MAX_FRAGMENT_INTERPOLATION_OFFSET = $8E5C;
  GL_FRAGMENT_INTERPOLATION_OFFSET_BITS = $8E5D;
  { reuse GL_MAX_VERTEX_STREAMS }

  // GL_ARB_gpu_shader_fp64
  { reuse GL_DOUBLE }
  GL_DOUBLE_VEC2 = $8FFC;
  GL_DOUBLE_VEC3 = $8FFD;
  GL_DOUBLE_VEC4 = $8FFE;
  GL_DOUBLE_MAT2 = $8F46;
  GL_DOUBLE_MAT3 = $8F47;
  GL_DOUBLE_MAT4 = $8F48;
  GL_DOUBLE_MAT2x3 = $8F49;
  GL_DOUBLE_MAT2x4 = $8F4A;
  GL_DOUBLE_MAT3x2 = $8F4B;
  GL_DOUBLE_MAT3x4 = $8F4C;
  GL_DOUBLE_MAT4x2 = $8F4D;
  GL_DOUBLE_MAT4x3 = $8F4E;

  // GL_ARB_gpu_shader_int64
  GL_INT64_ARB = $140E;
  GL_INT64_VEC2_ARB = $8FE9;
  GL_INT64_VEC3_ARB = $8FEA;
  GL_INT64_VEC4_ARB = $8FEB;
  GL_UNSIGNED_INT64_VEC2_ARB = $8FF5;
  GL_UNSIGNED_INT64_VEC3_ARB = $8FF6;
  GL_UNSIGNED_INT64_VEC4_ARB = $8FF7;

  // GL_ARB_shader_subroutine
  GL_ACTIVE_SUBROUTINES = $8DE5;
  GL_ACTIVE_SUBROUTINE_UNIFORMS = $8DE6;
  GL_ACTIVE_SUBROUTINE_UNIFORM_LOCATIONS = $8E47;
  GL_ACTIVE_SUBROUTINE_MAX_LENGTH = $8E48;
  GL_ACTIVE_SUBROUTINE_UNIFORM_MAX_LENGTH = $8E49;
  GL_MAX_SUBROUTINES = $8DE7;
  GL_MAX_SUBROUTINE_UNIFORM_LOCATIONS = $8DE8;
  GL_NUM_COMPATIBLE_SUBROUTINES = $8E4A;
  GL_COMPATIBLE_SUBROUTINES = $8E4B;
  { reuse GL_UNIFORM_SIZE }
  { reuse GL_UNIFORM_NAME_LENGTH }

  // GL_ARB_tessellation_shader
  GL_PATCHES = $000E;
  GL_PATCH_VERTICES = $8E72;
  GL_PATCH_DEFAULT_INNER_LEVEL = $8E73;
  GL_PATCH_DEFAULT_OUTER_LEVEL = $8E74;
  GL_TESS_CONTROL_OUTPUT_VERTICES = $8E75;
  GL_TESS_GEN_MODE = $8E76;
  GL_TESS_GEN_SPACING = $8E77;
  GL_TESS_GEN_VERTEX_ORDER = $8E78;
  GL_TESS_GEN_POINT_MODE = $8E79;
  { reuse GL_TRIANGLES }
  { reuse GL_QUADS }
  GL_ISOLINES = $8E7A;
  { reuse GL_EQUAL }
  GL_FRACTIONAL_ODD = $8E7B;
  GL_FRACTIONAL_EVEN = $8E7C;
  { reuse GL_CCW }
  { reuse GL_CW }
  GL_MAX_PATCH_VERTICES = $8E7D;
  GL_MAX_TESS_GEN_LEVEL = $8E7E;
  GL_MAX_TESS_CONTROL_UNIFORM_COMPONENTS = $8E7F;
  GL_MAX_TESS_EVALUATION_UNIFORM_COMPONENTS = $8E80;
  GL_MAX_TESS_CONTROL_TEXTURE_IMAGE_UNITS = $8E81;
  GL_MAX_TESS_EVALUATION_TEXTURE_IMAGE_UNITS = $8E82;
  GL_MAX_TESS_CONTROL_OUTPUT_COMPONENTS = $8E83;
  GL_MAX_TESS_PATCH_COMPONENTS = $8E84;
  GL_MAX_TESS_CONTROL_TOTAL_OUTPUT_COMPONENTS = $8E85;
  GL_MAX_TESS_EVALUATION_OUTPUT_COMPONENTS = $8E86;
  GL_MAX_TESS_CONTROL_UNIFORM_BLOCKS = $8E89;
  GL_MAX_TESS_EVALUATION_UNIFORM_BLOCKS = $8E8A;
  GL_MAX_TESS_CONTROL_INPUT_COMPONENTS = $886C;
  GL_MAX_TESS_EVALUATION_INPUT_COMPONENTS = $886D;
  GL_MAX_COMBINED_TESS_CONTROL_UNIFORM_COMPONENTS = $8E1E;
  GL_MAX_COMBINED_TESS_EVALUATION_UNIFORM_COMPONENTS = $8E1F;
  GL_UNIFORM_BLOCK_REFERENCED_BY_TESS_CONTROL_SHADER = $84F0;
  GL_UNIFORM_BLOCK_REFERENCED_BY_TESS_EVALUATION_SHADER = $84F1;
  GL_TESS_EVALUATION_SHADER = $8E87;
  GL_TESS_CONTROL_SHADER = $8E88;

  // GL_ARB_texture_buffer_object_rgb32
  { reuse GL_RGB32F }
  { reuse GL_RGB32UI }
  { reuse GL_RGB32I }

  // GL_ARB_transform_feedback2
  GL_TRANSFORM_FEEDBACK = $8E22;
  GL_TRANSFORM_FEEDBACK_PAUSED = $8E23;
  GL_TRANSFORM_FEEDBACK_BUFFER_PAUSED = GL_TRANSFORM_FEEDBACK_PAUSED;
  GL_TRANSFORM_FEEDBACK_ACTIVE = $8E24;
  GL_TRANSFORM_FEEDBACK_BUFFER_ACTIVE = GL_TRANSFORM_FEEDBACK_ACTIVE;
  GL_TRANSFORM_FEEDBACK_BINDING = $8E25;

  // GL_ARB_transform_feedback_overflow_query
  GL_TRANSFORM_FEEDBACK_OVERFLOW_ARB = $82EC;
  GL_TRANSFORM_FEEDBACK_STREAM_OVERFLOW_ARB = $82ED;

  // GL_ARB_transform_feedback3
  GL_MAX_TRANSFORM_FEEDBACK_BUFFERS = $8E70;
  GL_MAX_VERTEX_STREAMS = $8E71;

  // GL_ARB_ES2_compatibility
  GL_FIXED = $140C;
  GL_IMPLEMENTATION_COLOR_READ_TYPE = $8B9A;
  GL_IMPLEMENTATION_COLOR_READ_FORMAT = $8B9B;
  GL_LOW_FLOAT = $8DF0;
  GL_MEDIUM_FLOAT = $8DF1;
  GL_HIGH_FLOAT = $8DF2;
  GL_LOW_INT = $8DF3;
  GL_MEDIUM_INT = $8DF4;
  GL_HIGH_INT = $8DF5;
  GL_SHADER_COMPILER = $8DFA;
  GL_NUM_SHADER_BINARY_FORMATS = $8DF9;
  GL_MAX_VERTEX_UNIFORM_VECTORS = $8DFB;
  GL_MAX_VARYING_VECTORS = $8DFC;
  GL_MAX_FRAGMENT_UNIFORM_VECTORS = $8DFD;
  GL_RGB565 = $8D62;

  // GL_ARB_ES3_2_compatibility
  GL_PRIMITIVE_BOUNDING_BOX_ARB = $092BE;
  GL_MULTISAMPLE_LINE_WIDTH_RANGE_ARB = $09381;
  GL_MULTISAMPLE_LINE_WIDTH_GRANULARITY_ARB = $09382;

  // GL_ARB_get_program_binary
  GL_PROGRAM_BINARY_RETRIEVABLE_HINT = $8257;
  GL_PROGRAM_BINARY_LENGTH = $8741;
  GL_NUM_PROGRAM_BINARY_FORMATS = $87FE;
  GL_PROGRAM_BINARY_FORMATS = $87FF;

  // GL_ARB_separate_shader_objects
  GL_VERTEX_SHADER_BIT = $00000001;
  GL_FRAGMENT_SHADER_BIT = $00000002;
  GL_GEOMETRY_SHADER_BIT = $00000004;
  GL_TESS_CONTROL_SHADER_BIT = $00000008;
  GL_TESS_EVALUATION_SHADER_BIT = $00000010;
  GL_ALL_SHADER_BITS = $FFFFFFFF;
  GL_PROGRAM_SEPARABLE = $8258;
  GL_ACTIVE_PROGRAM = $8259;
  GL_PROGRAM_PIPELINE_BINDING = $825A;

  // GL_ARB_vertex_attrib_64bit
  { reuse GL_RGB32I }
  { reuse GL_DOUBLE_VEC2 }
  { reuse GL_DOUBLE_VEC3 }
  { reuse GL_DOUBLE_VEC4 }
  { reuse GL_DOUBLE_MAT2 }
  { reuse GL_DOUBLE_MAT3 }
  { reuse GL_DOUBLE_MAT4 }
  { reuse GL_DOUBLE_MAT2x3 }
  { reuse GL_DOUBLE_MAT2x4 }
  { reuse GL_DOUBLE_MAT3x2 }
  { reuse GL_DOUBLE_MAT3x4 }
  { reuse GL_DOUBLE_MAT4x2 }
  { reuse GL_DOUBLE_MAT4x3 }

  // GL_ARB_viewport_array
  { reuse GL_SCISSOR_BOX }
  { reuse GL_VIEWPORT }
  { reuse GL_DEPTH_RANGE }
  { reuse GL_SCISSOR_TEST }
  GL_MAX_VIEWPORTS = $825B;
  GL_VIEWPORT_SUBPIXEL_BITS = $825C;
  GL_VIEWPORT_BOUNDS_RANGE = $825D;
  GL_LAYER_PROVOKING_VERTEX = $825E;
  GL_VIEWPORT_INDEX_PROVOKING_VERTEX = $825F;
  GL_UNDEFINED_VERTEX = $8260;
  { reuse GL_FIRST_VERTEX_CONVENTION }
  { reuse GL_LAST_VERTEX_CONVENTION }
  { reuse GL_PROVOKING_VERTEX }

  // GL_ARB_cl_event
  GL_SYNC_CL_EVENT_ARB = $8240;
  GL_SYNC_CL_EVENT_COMPLETE_ARB = $8241;

  // GL_ARB_debug_output
  GL_DEBUG_OUTPUT_SYNCHRONOUS_ARB = $8242;
  GL_DEBUG_NEXT_LOGGED_MESSAGE_LENGTH_ARB = $8243;
  GL_DEBUG_CALLBACK_FUNCTION_ARB = $8244;
  GL_DEBUG_CALLBACK_USER_PARAM_ARB = $8245;
  GL_DEBUG_SOURCE_API_ARB = $8246;
  GL_DEBUG_SOURCE_WINDOW_SYSTEM_ARB = $8247;
  GL_DEBUG_SOURCE_SHADER_COMPILER_ARB = $8248;
  GL_DEBUG_SOURCE_THIRD_PARTY_ARB = $8249;
  GL_DEBUG_SOURCE_APPLICATION_ARB = $824A;
  GL_DEBUG_SOURCE_OTHER_ARB = $824B;
  GL_DEBUG_TYPE_ERROR_ARB = $824C;
  GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR_ARB = $824D;
  GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR_ARB = $824E;
  GL_DEBUG_TYPE_PORTABILITY_ARB = $824F;
  GL_DEBUG_TYPE_PERFORMANCE_ARB = $8250;
  GL_DEBUG_TYPE_OTHER_ARB = $8251;
  GL_MAX_DEBUG_MESSAGE_LENGTH_ARB = $9143;
  GL_MAX_DEBUG_LOGGED_MESSAGES_ARB = $9144;
  GL_DEBUG_LOGGED_MESSAGES_ARB = $9145;
  GL_DEBUG_SEVERITY_HIGH_ARB = $9146;
  GL_DEBUG_SEVERITY_MEDIUM_ARB = $9147;
  GL_DEBUG_SEVERITY_LOW_ARB = $9148;

  // GL_ARB_robustness
  { reuse GL_NO_ERROR }
  GL_CONTEXT_FLAG_ROBUST_ACCESS_BIT_ARB = $00000004;
  GL_LOSE_CONTEXT_ON_RESET_ARB = $8252;
  GL_GUILTY_CONTEXT_RESET_ARB = $8253;
  GL_INNOCENT_CONTEXT_RESET_ARB = $8254;
  GL_UNKNOWN_CONTEXT_RESET_ARB = $8255;
  GL_RESET_NOTIFICATION_STRATEGY_ARB = $8256;
  GL_NO_RESET_NOTIFICATION_ARB = $8261;

  //  GL_ARB_compressed_texture_pixel_storage
  GL_UNPACK_COMPRESSED_BLOCK_WIDTH  = $09127;
  GL_UNPACK_COMPRESSED_BLOCK_HEIGHT = $09128;
  GL_UNPACK_COMPRESSED_BLOCK_DEPTH  = $09129;
  GL_UNPACK_COMPRESSED_BLOCK_SIZE   = $0912A;
  GL_PACK_COMPRESSED_BLOCK_WIDTH    = $0912B;
  GL_PACK_COMPRESSED_BLOCK_HEIGHT   = $0912C;
  GL_PACK_COMPRESSED_BLOCK_DEPTH    = $0912D;
  GL_PACK_COMPRESSED_BLOCK_SIZE     = $0912E;

  // GL_ARB_internalformat_query
  GL_NUM_SAMPLE_COUNTS              = $09380;

  // GL_ARB_map_buffer_alignment
  GL_MIN_MAP_BUFFER_ALIGNMENT       = $090BC;

  // GL_ARB_shader_atomic_counters
  GL_ATOMIC_COUNTER_BUFFER          = $92C0;
  GL_ATOMIC_COUNTER_BUFFER_BINDING  = $92C1;
  GL_ATOMIC_COUNTER_BUFFER_START    = $92C2;
  GL_ATOMIC_COUNTER_BUFFER_SIZE     = $92C3;
  GL_ATOMIC_COUNTER_BUFFER_DATA_SIZE = $92C4;
  GL_ATOMIC_COUNTER_BUFFER_ACTIVE_ATOMIC_COUNTERS = $92C5;
  GL_ATOMIC_COUNTER_BUFFER_ACTIVE_ATOMIC_COUNTER_INDICES = $92C6;
  GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_VERTEX_SHADER = $92C7;
  GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_TESS_CONTROL_SHADER = $92C8;
  GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_TESS_EVALUATION_SHADER = $92C9;
  GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_GEOMETRY_SHADER = $92CA;
  GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_FRAGMENT_SHADER = $92CB;
  GL_MAX_VERTEX_ATOMIC_COUNTER_BUFFERS = $92CC;
  GL_MAX_TESS_CONTROL_ATOMIC_COUNTER_BUFFERS = $92CD;
  GL_MAX_TESS_EVALUATION_ATOMIC_COUNTER_BUFFERS = $92CE;
  GL_MAX_GEOMETRY_ATOMIC_COUNTER_BUFFERS = $92CF;
  GL_MAX_FRAGMENT_ATOMIC_COUNTER_BUFFERS = $92D0;
  GL_MAX_COMBINED_ATOMIC_COUNTER_BUFFERS = $92D1;
  GL_MAX_VERTEX_ATOMIC_COUNTERS     = $92D2;
  GL_MAX_TESS_CONTROL_ATOMIC_COUNTERS = $92D3;
  GL_MAX_TESS_EVALUATION_ATOMIC_COUNTERS = $92D4;
  GL_MAX_GEOMETRY_ATOMIC_COUNTERS   = $92D5;
  GL_MAX_FRAGMENT_ATOMIC_COUNTERS   = $92D6;
  GL_MAX_COMBINED_ATOMIC_COUNTERS   = $92D7;
  GL_MAX_ATOMIC_COUNTER_BUFFER_SIZE = $92D8;
  GL_MAX_ATOMIC_COUNTER_BUFFER_BINDINGS = $92DC;
  GL_ACTIVE_ATOMIC_COUNTER_BUFFERS  = $92D9;
  GL_UNIFORM_ATOMIC_COUNTER_BUFFER_INDEX = $92DA;
  GL_UNSIGNED_INT_ATOMIC_COUNTER    = $92DB;

  // GL_ARB_shader_image_load_store
  GL_VERTEX_ATTRIB_ARRAY_BARRIER_BIT = $00000001;
  GL_ELEMENT_ARRAY_BARRIER_BIT      = $00000002;
  GL_UNIFORM_BARRIER_BIT            = $00000004;
  GL_TEXTURE_FETCH_BARRIER_BIT      = $00000008;
  GL_SHADER_IMAGE_ACCESS_BARRIER_BIT = $00000020;
  GL_COMMAND_BARRIER_BIT            = $00000040;
  GL_PIXEL_BUFFER_BARRIER_BIT       = $00000080;
  GL_TEXTURE_UPDATE_BARRIER_BIT     = $00000100;
  GL_BUFFER_UPDATE_BARRIER_BIT      = $00000200;
  GL_FRAMEBUFFER_BARRIER_BIT        = $00000400;
  GL_TRANSFORM_FEEDBACK_BARRIER_BIT = $00000800;
  GL_ATOMIC_COUNTER_BARRIER_BIT     = $00001000;
  GL_ALL_BARRIER_BITS               = $FFFFFFFF;
  GL_MAX_IMAGE_UNITS                = $8F38;
  GL_MAX_COMBINED_IMAGE_UNITS_AND_FRAGMENT_OUTPUTS = $8F39;
  GL_IMAGE_BINDING_NAME             = $8F3A;
  GL_IMAGE_BINDING_LEVEL            = $8F3B;
  GL_IMAGE_BINDING_LAYERED          = $8F3C;
  GL_IMAGE_BINDING_LAYER            = $8F3D;
  GL_IMAGE_BINDING_ACCESS           = $8F3E;
  GL_IMAGE_1D                       = $904C;
  GL_IMAGE_2D                       = $904D;
  GL_IMAGE_3D                       = $904E;
  GL_IMAGE_2D_RECT                  = $904F;
  GL_IMAGE_CUBE                     = $9050;
  GL_IMAGE_BUFFER                   = $9051;
  GL_IMAGE_1D_ARRAY                 = $9052;
  GL_IMAGE_2D_ARRAY                 = $9053;
  GL_IMAGE_CUBE_MAP_ARRAY           = $9054;
  GL_IMAGE_2D_MULTISAMPLE           = $9055;
  GL_IMAGE_2D_MULTISAMPLE_ARRAY     = $9056;
  GL_INT_IMAGE_1D                   = $9057;
  GL_INT_IMAGE_2D                   = $9058;
  GL_INT_IMAGE_3D                   = $9059;
  GL_INT_IMAGE_2D_RECT              = $905A;
  GL_INT_IMAGE_CUBE                 = $905B;
  GL_INT_IMAGE_BUFFER               = $905C;
  GL_INT_IMAGE_1D_ARRAY             = $905D;
  GL_INT_IMAGE_2D_ARRAY             = $905E;
  GL_INT_IMAGE_CUBE_MAP_ARRAY       = $905F;
  GL_INT_IMAGE_2D_MULTISAMPLE       = $9060;
  GL_INT_IMAGE_2D_MULTISAMPLE_ARRAY = $9061;
  GL_UNSIGNED_INT_IMAGE_1D          = $9062;
  GL_UNSIGNED_INT_IMAGE_2D          = $9063;
  GL_UNSIGNED_INT_IMAGE_3D          = $9064;
  GL_UNSIGNED_INT_IMAGE_2D_RECT     = $9065;
  GL_UNSIGNED_INT_IMAGE_CUBE        = $9066;
  GL_UNSIGNED_INT_IMAGE_BUFFER      = $9067;
  GL_UNSIGNED_INT_IMAGE_1D_ARRAY    = $9068;
  GL_UNSIGNED_INT_IMAGE_2D_ARRAY    = $9069;
  GL_UNSIGNED_INT_IMAGE_CUBE_MAP_ARRAY = $906A;
  GL_UNSIGNED_INT_IMAGE_2D_MULTISAMPLE = $906B;
  GL_UNSIGNED_INT_IMAGE_2D_MULTISAMPLE_ARRAY = $906C;
  GL_MAX_IMAGE_SAMPLES              = $906D;
  GL_IMAGE_BINDING_FORMAT           = $906E;
  GL_IMAGE_FORMAT_COMPATIBILITY_TYPE = $90C7;
  GL_IMAGE_FORMAT_COMPATIBILITY_BY_SIZE = $90C8;
  GL_IMAGE_FORMAT_COMPATIBILITY_BY_CLASS = $90C9;
  GL_MAX_VERTEX_IMAGE_UNIFORMS      = $90CA;
  GL_MAX_TESS_CONTROL_IMAGE_UNIFORMS = $90CB;
  GL_MAX_TESS_EVALUATION_IMAGE_UNIFORMS = $90CC;
  GL_MAX_GEOMETRY_IMAGE_UNIFORMS    = $90CD;
  GL_MAX_FRAGMENT_IMAGE_UNIFORMS    = $90CE;
  GL_MAX_COMBINED_IMAGE_UNIFORMS    = $90CF;

  // GL_ARB_texture_storage
  GL_TEXTURE_IMMUTABLE_FORMAT       = $912F;

  // 4.3
  // GL_KHR_texture_compression_astc_hdr
  GL_COMPRESSED_RGBA_ASTC_4x4_KHR = $93B0;
  GL_COMPRESSED_RGBA_ASTC_5x4_KHR = $93B1;
  GL_COMPRESSED_RGBA_ASTC_5x5_KHR = $93B2;
  GL_COMPRESSED_RGBA_ASTC_6x5_KHR = $93B3;
  GL_COMPRESSED_RGBA_ASTC_6x6_KHR = $93B4;
  GL_COMPRESSED_RGBA_ASTC_8x5_KHR = $93B5;
  GL_COMPRESSED_RGBA_ASTC_8x6_KHR = $93B6;
  GL_COMPRESSED_RGBA_ASTC_8x8_KHR = $93B7;
  GL_COMPRESSED_RGBA_ASTC_105_KHR = $93B8;
  GL_COMPRESSED_RGBA_ASTC_106_KHR = $93B9;
  GL_COMPRESSED_RGBA_ASTC_108_KHR = $93BA;
  GL_COMPRESSED_RGBA_ASTC_110_KHR = $93BB;
  GL_COMPRESSED_RGBA_ASTC_12x10_KHR = $93BC;
  GL_COMPRESSED_RGBA_ASTC_12x12_KHR = $93BD;
  GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR = $93D0;
  GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR = $93D1;
  GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR = $93D2;
  GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR = $93D3;
  GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR = $93D4;
  GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR = $93D5;
  GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR = $93D6;
  GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR = $93D7;
  GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR = $93D8;
  GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR = $93D9;
  GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR = $93DA;
  GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR = $93DB;
  GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR = $93DC;
  GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR = $93DD;
  // (4.3) GL_KHR_debug
  GL_DEBUG_OUTPUT_SYNCHRONOUS       = $8242;
  GL_DEBUG_NEXT_LOGGED_MESSAGE_LENGTH = $8243;
  GL_DEBUG_CALLBACK_FUNCTION        = $8244;
  GL_DEBUG_CALLBACK_USER_PARAM      = $8245;
  GL_DEBUG_SOURCE_API               = $8246;
  GL_DEBUG_SOURCE_WINDOW_SYSTEM     = $8247;
  GL_DEBUG_SOURCE_SHADER_COMPILER   = $8248;
  GL_DEBUG_SOURCE_THIRD_PARTY       = $8249;
  GL_DEBUG_SOURCE_APPLICATION       = $824A;
  GL_DEBUG_SOURCE_OTHER             = $824B;
  GL_DEBUG_TYPE_ERROR               = $824C;
  GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR = $824D;
  GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR  = $824E;
  GL_DEBUG_TYPE_PORTABILITY         = $824F;
  GL_DEBUG_TYPE_PERFORMANCE         = $8250;
  GL_DEBUG_TYPE_OTHER               = $8251;
  GL_DEBUG_TYPE_MARKER              = $8268;
  GL_DEBUG_TYPE_PUSH_GROUP          = $8269;
  GL_DEBUG_TYPE_POP_GROUP           = $826A;
  GL_DEBUG_SEVERITY_NOTIFICATION    = $826B;
  GL_MAX_DEBUG_GROUP_STACK_DEPTH    = $826C;
  GL_DEBUG_GROUP_STACK_DEPTH        = $826D;
  GL_BUFFER                         = $82E0;
  GL_SHADER                         = $82E1;
  GL_PROGRAM                        = $82E2;
  GL_QUERY                          = $82E3;
  GL_PROGRAM_PIPELINE               = $82E4;
  GL_SAMPLER                        = $82E6;
  GL_DISPLAY_LIST                   = $82E7;
  GL_MAX_LABEL_LENGTH               = $82E8;
  GL_MAX_DEBUG_MESSAGE_LENGTH       = $9143;
  GL_MAX_DEBUG_LOGGED_MESSAGES      = $9144;
  GL_DEBUG_LOGGED_MESSAGES          = $9145;
  GL_DEBUG_SEVERITY_HIGH            = $9146;
  GL_DEBUG_SEVERITY_MEDIUM          = $9147;
  GL_DEBUG_SEVERITY_LOW             = $9148;
  GL_DEBUG_OUTPUT                   = $92E0;
  GL_CONTEXT_FLAG_DEBUG_BIT         = $00000002;
  GL_COMPUTE_SHADER                 = $91B9;
  GL_MAX_COMPUTE_UNIFORM_BLOCKS     = $91BB;
  GL_MAX_COMPUTE_TEXTURE_IMAGE_UNITS = $91BC;
  GL_MAX_COMPUTE_IMAGE_UNIFORMS     = $91BD;
  GL_MAX_COMPUTE_SHARED_MEMORY_SIZE = $8262;
  GL_MAX_COMPUTE_UNIFORM_COMPONENTS = $8263;
  GL_MAX_COMPUTE_ATOMIC_COUNTER_BUFFERS = $8264;
  GL_MAX_COMPUTE_ATOMIC_COUNTERS    = $8265;
  GL_MAX_COMBINED_COMPUTE_UNIFORM_COMPONENTS = $8266;
  GL_MAX_COMPUTE_LOCAL_INVOCATIONS  = $90EB;
  GL_MAX_COMPUTE_WORK_GROUP_COUNT   = $91BE;
  GL_MAX_COMPUTE_WORK_GROUP_SIZE    = $91BF;
  GL_COMPUTE_LOCAL_WORK_SIZE        = $8267;
  GL_UNIFORM_BLOCK_REFERENCED_BY_COMPUTE_SHADER = $90EC;
  GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_COMPUTE_SHADER = $90ED;
  GL_DISPATCH_INDIRECT_BUFFER       = $90EE;
  GL_DISPATCH_INDIRECT_BUFFER_BINDING = $90EF;
  GL_COMPUTE_SHADER_BIT             = $00000020;
  GL_COMPRESSED_RGB8_ETC2           = $9274;
  GL_COMPRESSED_SRGB8_ETC2          = $9275;
  GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2 = $9276;
  GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2 = $9277;
  GL_COMPRESSED_RGBA8_ETC2_EAC      = $9278;
  GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC = $9279;
  GL_COMPRESSED_R11_EAC             = $9270;
  GL_COMPRESSED_SIGNED_R11_EAC      = $9271;
  GL_COMPRESSED_RG11_EAC            = $9272;
  GL_COMPRESSED_SIGNED_RG11_EAC     = $9273;
  GL_PRIMITIVE_RESTART_FIXED_INDEX  = $8D69;
  GL_ANY_SAMPLES_PASSED_CONSERVATIVE = $8D6A;
  GL_MAX_ELEMENT_INDEX              = $8D6B;
      GL_MAX_UNIFORM_LOCATIONS          = $826E;
  GL_FRAMEBUFFER_DEFAULT_WIDTH      = $9310;
  GL_FRAMEBUFFER_DEFAULT_HEIGHT     = $9311;
  GL_FRAMEBUFFER_DEFAULT_LAYERS     = $9312;
  GL_FRAMEBUFFER_DEFAULT_SAMPLES    = $9313;
  GL_FRAMEBUFFER_DEFAULT_FIXED_SAMPLE_LOCATIONS = $9314;
  GL_MAX_FRAMEBUFFER_WIDTH          = $9315;
  GL_MAX_FRAMEBUFFER_HEIGHT         = $9316;
  GL_MAX_FRAMEBUFFER_LAYERS         = $9317;
  GL_MAX_FRAMEBUFFER_SAMPLES        = $9318;
        GL_INTERNALFORMAT_SUPPORTED       = $826F;
  GL_INTERNALFORMAT_PREFERRED       = $8270;
  GL_INTERNALFORMAT_RED_SIZE        = $8271;
  GL_INTERNALFORMAT_GREEN_SIZE      = $8272;
  GL_INTERNALFORMAT_BLUE_SIZE       = $8273;
  GL_INTERNALFORMAT_ALPHA_SIZE      = $8274;
  GL_INTERNALFORMAT_DEPTH_SIZE      = $8275;
  GL_INTERNALFORMAT_STENCIL_SIZE    = $8276;
  GL_INTERNALFORMAT_SHARED_SIZE     = $8277;
  GL_INTERNALFORMAT_RED_TYPE        = $8278;
  GL_INTERNALFORMAT_GREEN_TYPE      = $8279;
  GL_INTERNALFORMAT_BLUE_TYPE       = $827A;
  GL_INTERNALFORMAT_ALPHA_TYPE      = $827B;
  GL_INTERNALFORMAT_DEPTH_TYPE      = $827C;
  GL_INTERNALFORMAT_STENCIL_TYPE    = $827D;
  GL_MAX_WIDTH                      = $827E;
  GL_MAX_HEIGHT                     = $827F;
  GL_MAX_DEPTH                      = $8280;
  GL_MAX_LAYERS                     = $8281;
  GL_MAX_COMBINED_DIMENSIONS        = $8282;
  GL_COLOR_COMPONENTS               = $8283;
  GL_DEPTH_COMPONENTS               = $8284;
  GL_STENCIL_COMPONENTS             = $8285;
  GL_COLOR_RENDERABLE               = $8286;
  GL_DEPTH_RENDERABLE               = $8287;
  GL_STENCIL_RENDERABLE             = $8288;
  GL_FRAMEBUFFER_RENDERABLE         = $8289;
  GL_FRAMEBUFFER_RENDERABLE_LAYERED = $828A;
  GL_FRAMEBUFFER_BLEND              = $828B;
  GL_READ_PIXELS                    = $828C;
  GL_READ_PIXELS_FORMAT             = $828D;
  GL_READ_PIXELS_TYPE               = $828E;
  GL_TEXTURE_IMAGE_FORMAT           = $828F;
  GL_TEXTURE_IMAGE_TYPE             = $8290;
  GL_GET_TEXTURE_IMAGE_FORMAT       = $8291;
  GL_GET_TEXTURE_IMAGE_TYPE         = $8292;
  GL_MIPMAP                         = $8293;
  GL_MANUAL_GENERATE_MIPMAP         = $8294;
  GL_AUTO_GENERATE_MIPMAP           = $8295;
  GL_COLOR_ENCODING                 = $8296;
  GL_SRGB_READ                      = $8297;
  GL_SRGB_WRITE                     = $8298;
  GL_SRGB_DECODE_ARB                = $8299;
  GL_FILTER                         = $829A;
  GL_VERTEX_TEXTURE                 = $829B;
  GL_TESS_CONTROL_TEXTURE           = $829C;
  GL_TESS_EVALUATION_TEXTURE        = $829D;
  GL_GEOMETRY_TEXTURE               = $829E;
  GL_FRAGMENT_TEXTURE               = $829F;
  GL_COMPUTE_TEXTURE                = $82A0;
  GL_TEXTURE_SHADOW                 = $82A1;
  GL_TEXTURE_GATHER                 = $82A2;
  GL_TEXTURE_GATHER_SHADOW          = $82A3;
  GL_SHADER_IMAGE_LOAD              = $82A4;
  GL_SHADER_IMAGE_STORE             = $82A5;
  GL_SHADER_IMAGE_ATOMIC            = $82A6;
  GL_IMAGE_TEXEL_SIZE               = $82A7;
  GL_IMAGE_COMPATIBILITY_CLASS      = $82A8;
  GL_IMAGE_PIXEL_FORMAT             = $82A9;
  GL_IMAGE_PIXEL_TYPE               = $82AA;
  GL_SIMULTANEOUS_TEXTURE_AND_DEPTH_TEST = $82AC;
  GL_SIMULTANEOUS_TEXTURE_AND_STENCIL_TEST = $82AD;
  GL_SIMULTANEOUS_TEXTURE_AND_DEPTH_WRITE = $82AE;
  GL_SIMULTANEOUS_TEXTURE_AND_STENCIL_WRITE = $82AF;
  GL_TEXTURE_COMPRESSED_BLOCK_WIDTH = $82B1;
  GL_TEXTURE_COMPRESSED_BLOCK_HEIGHT = $82B2;
  GL_TEXTURE_COMPRESSED_BLOCK_SIZE  = $82B3;
  GL_CLEAR_BUFFER                   = $82B4;
  GL_TEXTURE_VIEW                   = $82B5;
  GL_VIEW_COMPATIBILITY_CLASS       = $82B6;
  GL_FULL_SUPPORT                   = $82B7;
  GL_CAVEAT_SUPPORT                 = $82B8;
  GL_IMAGE_CLASS_4_X_32             = $82B9;
  GL_IMAGE_CLASS_2_X_32             = $82BA;
  GL_IMAGE_CLASS_1_X_32             = $82BB;
  GL_IMAGE_CLASS_4_X_16             = $82BC;
  GL_IMAGE_CLASS_2_X_16             = $82BD;
  GL_IMAGE_CLASS_1_X_16             = $82BE;
  GL_IMAGE_CLASS_4_X_8              = $82BF;
  GL_IMAGE_CLASS_2_X_8              = $82C0;
  GL_IMAGE_CLASS_1_X_8              = $82C1;
  GL_IMAGE_CLASS_11_11_10           = $82C2;
  GL_IMAGE_CLASS_10_10_10_2         = $82C3;
  GL_VIEW_CLASS_128_BITS            = $82C4;
  GL_VIEW_CLASS_96_BITS             = $82C5;
  GL_VIEW_CLASS_64_BITS             = $82C6;
  GL_VIEW_CLASS_48_BITS             = $82C7;
  GL_VIEW_CLASS_32_BITS             = $82C8;
  GL_VIEW_CLASS_24_BITS             = $82C9;
  GL_VIEW_CLASS_16_BITS             = $82CA;
  GL_VIEW_CLASS_8_BITS              = $82CB;
  GL_VIEW_CLASS_S3TC_DXT1_RGB       = $82CC;
  GL_VIEW_CLASS_S3TC_DXT1_RGBA      = $82CD;
  GL_VIEW_CLASS_S3TC_DXT3_RGBA      = $82CE;
  GL_VIEW_CLASS_S3TC_DXT5_RGBA      = $82CF;
  GL_VIEW_CLASS_RGTC1_RED           = $82D0;
  GL_VIEW_CLASS_RGTC2_RG            = $82D1;
  GL_VIEW_CLASS_BPTC_UNORM          = $82D2;
  GL_VIEW_CLASS_BPTC_FLOAT          = $82D3;
  GL_UNIFORM                        = $92E1;
  GL_UNIFORM_BLOCK                  = $92E2;
  GL_PROGRAM_INPUT                  = $92E3;
  GL_PROGRAM_OUTPUT                 = $92E4;
  GL_BUFFER_VARIABLE                = $92E5;
  GL_SHADER_STORAGE_BLOCK           = $92E6;
  GL_VERTEX_SUBROUTINE              = $92E8;
  GL_TESS_CONTROL_SUBROUTINE        = $92E9;
  GL_TESS_EVALUATION_SUBROUTINE     = $92EA;
  GL_GEOMETRY_SUBROUTINE            = $92EB;
  GL_FRAGMENT_SUBROUTINE            = $92EC;
  GL_COMPUTE_SUBROUTINE             = $92ED;
  GL_VERTEX_SUBROUTINE_UNIFORM      = $92EE;
  GL_TESS_CONTROL_SUBROUTINE_UNIFORM = $92EF;
  GL_TESS_EVALUATION_SUBROUTINE_UNIFORM = $92F0;
  GL_GEOMETRY_SUBROUTINE_UNIFORM    = $92F1;
  GL_FRAGMENT_SUBROUTINE_UNIFORM    = $92F2;
  GL_COMPUTE_SUBROUTINE_UNIFORM     = $92F3;
  GL_TRANSFORM_FEEDBACK_VARYING     = $92F4;
  GL_ACTIVE_RESOURCES               = $92F5;
  GL_MAX_NAME_LENGTH                = $92F6;
  GL_MAX_NUM_ACTIVE_VARIABLES       = $92F7;
  GL_MAX_NUM_COMPATIBLE_SUBROUTINES = $92F8;
  GL_NAME_LENGTH                    = $92F9;
  GL_TYPE                           = $92FA;
  GL_ARRAY_SIZE                     = $92FB;
  GL_OFFSET                         = $92FC;
  GL_BLOCK_INDEX                    = $92FD;
  GL_ARRAY_STRIDE                   = $92FE;
  GL_MATRIX_STRIDE                  = $92FF;
  GL_IS_ROW_MAJOR                   = $9300;
  GL_ATOMIC_COUNTER_BUFFER_INDEX    = $9301;
  GL_BUFFER_BINDING                 = $9302;
  GL_BUFFER_DATA_SIZE               = $9303;
  GL_NUM_ACTIVE_VARIABLES           = $9304;
  GL_ACTIVE_VARIABLES               = $9305;
  GL_REFERENCED_BY_VERTEX_SHADER    = $9306;
  GL_REFERENCED_BY_TESS_CONTROL_SHADER = $9307;
  GL_REFERENCED_BY_TESS_EVALUATION_SHADER = $9308;
  GL_REFERENCED_BY_GEOMETRY_SHADER  = $9309;
  GL_REFERENCED_BY_FRAGMENT_SHADER  = $930A;
  GL_REFERENCED_BY_COMPUTE_SHADER   = $930B;
  GL_TOP_LEVEL_ARRAY_SIZE           = $930C;
  GL_TOP_LEVEL_ARRAY_STRIDE         = $930D;
  GL_LOCATION                       = $930E;
  GL_LOCATION_INDEX                 = $930F;
  GL_IS_PER_PATCH                   = $92E7;
  GL_SHADER_STORAGE_BUFFER          = $90D2;
  GL_SHADER_STORAGE_BUFFER_BINDING  = $90D3;
  GL_SHADER_STORAGE_BUFFER_START    = $90D4;
  GL_SHADER_STORAGE_BUFFER_SIZE     = $90D5;
  GL_MAX_VERTEX_SHADER_STORAGE_BLOCKS = $90D6;
  GL_MAX_GEOMETRY_SHADER_STORAGE_BLOCKS = $90D7;
  GL_MAX_TESS_CONTROL_SHADER_STORAGE_BLOCKS = $90D8;
  GL_MAX_TESS_EVALUATION_SHADER_STORAGE_BLOCKS = $90D9;
  GL_MAX_FRAGMENT_SHADER_STORAGE_BLOCKS = $90DA;
  GL_MAX_COMPUTE_SHADER_STORAGE_BLOCKS = $90DB;
  GL_MAX_COMBINED_SHADER_STORAGE_BLOCKS = $90DC;
  GL_MAX_SHADER_STORAGE_BUFFER_BINDINGS = $90DD;
  GL_MAX_SHADER_STORAGE_BLOCK_SIZE  = $90DE;
  GL_SHADER_STORAGE_BUFFER_OFFSET_ALIGNMENT = $90DF;
  GL_SHADER_STORAGE_BARRIER_BIT     = $2000;
  GL_MAX_COMBINED_SHADER_OUTPUT_RESOURCES = GL_MAX_COMBINED_IMAGE_UNITS_AND_FRAGMENT_OUTPUTS;
  GL_DEPTH_STENCIL_TEXTURE_MODE     = $90EA;

  GL_TEXTURE_BUFFER_OFFSET          = $919D;
  GL_TEXTURE_BUFFER_SIZE            = $919E;
  GL_TEXTURE_BUFFER_OFFSET_ALIGNMENT = $919F;
  GL_TEXTURE_VIEW_MIN_LEVEL         = $82DB;
  GL_TEXTURE_VIEW_NUM_LEVELS        = $82DC;
  GL_TEXTURE_VIEW_MIN_LAYER         = $82DD;
  GL_TEXTURE_VIEW_NUM_LAYERS        = $82DE;
  GL_TEXTURE_IMMUTABLE_LEVELS       = $82DF;
  GL_VERTEX_ATTRIB_BINDING          = $82D4;
  GL_VERTEX_ATTRIB_RELATIVE_OFFSET  = $82D5;
  GL_VERTEX_BINDING_DIVISOR         = $82D6;
  GL_VERTEX_BINDING_OFFSET          = $82D7;
  GL_VERTEX_BINDING_STRIDE          = $82D8;
  GL_MAX_VERTEX_ATTRIB_RELATIVE_OFFSET = $82D9;
  GL_MAX_VERTEX_ATTRIB_BINDINGS     = $82DA;

  // GL 4.4
  GL_MAX_VERTEX_ATTRIB_STRIDE         = $82E5;
  GL_PRIMITIVE_RESTART_FOR_PATCHES_SUPPORTED = $8221;
  GL_TEXTURE_BUFFER_BINDING = $8C2A;
  GL_MAP_PERSISTENT_BIT               = $0040;
  GL_MAP_COHERENT_BIT                 = $0080;
  GL_DYNAMIC_STORAGE_BIT              = $0100;
  GL_CLIENT_STORAGE_BIT               = $0200;
  GL_CLIENT_MAPPED_BUFFER_BARRIER_BIT = $00004000;
  GL_BUFFER_IMMUTABLE_STORAGE       	= $821F;
  GL_BUFFER_STORAGE_FLAGS           	= $8220;
  GL_CLEAR_TEXTURE                  	= $9365;
  GL_LOCATION_COMPONENT             	= $934A;
  GL_TRANSFORM_FEEDBACK_BUFFER_INDEX 	= $934B;
  GL_TRANSFORM_FEEDBACK_BUFFER_STRIDE = $934C;
  GL_QUERY_BUFFER                   	= $9192;
  GL_QUERY_BUFFER_BARRIER_BIT       	= $00008000;
  GL_QUERY_BUFFER_BINDING           	= $9193;
  GL_QUERY_RESULT_NO_WAIT           	= $9194;
  GL_MIRROR_CLAMP_TO_EDGE           	= $8743;

  // GL 4.5
  GL_CONTEXT_LOST                   = $0507;
  GL_NEGATIVE_ONE_TO_ONE            = $935E;
  GL_ZERO_TO_ONE                    = $935F;
  GL_CLIP_ORIGIN                    = $935C;
  GL_CLIP_DEPTH_MODE                = $935D;
  GL_QUERY_WAIT_INVERTED            = $8E17;
  GL_QUERY_NO_WAIT_INVERTED         = $8E18;
  GL_QUERY_BY_REGION_WAIT_INVERTED  = $8E19;
  GL_QUERY_BY_REGION_NO_WAIT_INVERTED = $8E1A;
  GL_MAX_CULL_DISTANCES             = $82F9;
  GL_MAX_COMBINED_CLIP_AND_CULL_DISTANCES = $82FA;
  GL_TEXTURE_TARGET                 = $1006;
  GL_QUERY_TARGET                   = $82EA;
  GL_TEXTURE_BINDING                = $82EB;
  GL_GUILTY_CONTEXT_RESET           = $8253;
  GL_INNOCENT_CONTEXT_RESET         = $8254;
  GL_UNKNOWN_CONTEXT_RESET          = $8255;
  GL_RESET_NOTIFICATION_STRATEGY    = $8256;
  GL_LOSE_CONTEXT_ON_RESET          = $8252;
  GL_NO_RESET_NOTIFICATION          = $8261;
  GL_CONTEXT_FLAG_ROBUST_ACCESS_BIT = $00000004;
  GL_CONTEXT_RELEASE_BEHAVIOR       = $82FB;
  GL_CONTEXT_RELEASE_BEHAVIOR_FLUSH = $82FC;

  // 4.6
  GL_SHADER_BINARY_FORMAT_SPIR_V = $9551;
  GL_SPIR_V_BINARY = $9552;
  GL_PARAMETER_BUFFER = $80EE;
  GL_PARAMETER_BUFFER_BINDING = $80EF;
  GL_CONTEXT_FLAG_NO_ERROR_BIT = $00000008;
  GL_VERTICES_SUBMITTED = $82EE;
  GL_PRIMITIVES_SUBMITTED = $82EF;
  GL_VERTEX_SHADER_INVOCATIONS = $82F0;
  GL_TESS_CONTROL_SHADER_PATCHES = $82F1;
  GL_TESS_EVALUATION_SHADER_INVOCATIONS = $82F2;
  GL_GEOMETRY_SHADER_PRIMITIVES_EMITTED = $82F3;
  GL_FRAGMENT_SHADER_INVOCATIONS = $82F4;
  GL_COMPUTE_SHADER_INVOCATIONS = $82F5;
  GL_CLIPPING_INPUT_PRIMITIVES = $82F6;
  GL_CLIPPING_OUTPUT_PRIMITIVES = $82F7;
  GL_POLYGON_OFFSET_CLAMP = $8E1B;
  GL_SPIR_V_EXTENSIONS = $9553;
  GL_NUM_SPIR_V_EXTENSIONS = $9554;
  GL_TEXTURE_MAX_ANISOTROPY = $84FE;
  GL_MAX_TEXTURE_MAX_ANISOTROPY = $84FF;
  GL_TRANSFORM_FEEDBACK_OVERFLOW = $82EC;
  GL_TRANSFORM_FEEDBACK_STREAM_OVERFLOW = $82ED;

  // GL_ATI_draw_buffers
  GL_MAX_DRAW_BUFFERS_ATI = $8824;
  GL_DRAW_BUFFER0_ATI = $8825;
  GL_DRAW_BUFFER1_ATI = $8826;
  GL_DRAW_BUFFER2_ATI = $8827;
  GL_DRAW_BUFFER3_ATI = $8828;
  GL_DRAW_BUFFER4_ATI = $8829;
  GL_DRAW_BUFFER5_ATI = $882A;
  GL_DRAW_BUFFER6_ATI = $882B;
  GL_DRAW_BUFFER7_ATI = $882C;
  GL_DRAW_BUFFER8_ATI = $882D;
  GL_DRAW_BUFFER9_ATI = $882E;
  GL_DRAW_BUFFER10_ATI = $882F;
  GL_DRAW_BUFFER11_ATI = $8830;
  GL_DRAW_BUFFER12_ATI = $8831;
  GL_DRAW_BUFFER13_ATI = $8832;
  GL_DRAW_BUFFER14_ATI = $8833;
  GL_DRAW_BUFFER15_ATI = $8834;

  // GL_ATI_element_array
  GL_ELEMENT_ARRAY_ATI = $8768;
  GL_ELEMENT_ARRAY_TYPE_ATI = $8769;
  GL_ELEMENT_ARRAY_POINTER_ATI = $876A;

  // GL_ATI_envmap_bumpmap
  GL_BUMP_ROT_MATRIX_ATI = $8775;
  GL_BUMP_ROT_MATRIX_SIZE_ATI = $8776;
  GL_BUMP_NUM_TEX_UNITS_ATI = $8777;
  GL_BUMP_TEX_UNITS_ATI = $8778;
  GL_DUDV_ATI = $8779;
  GL_DU8DV8_ATI = $877A;
  GL_BUMP_ENVMAP_ATI = $877B;
  GL_BUMP_TARGET_ATI = $877C;

  // GL_ATI_fragment_shader
  GL_FRAGMENT_SHADER_ATI = $8920;
  GL_REG_0_ATI = $8921;
  GL_REG_1_ATI = $8922;
  GL_REG_2_ATI = $8923;
  GL_REG_3_ATI = $8924;
  GL_REG_4_ATI = $8925;
  GL_REG_5_ATI = $8926;
  GL_REG_6_ATI = $8927;
  GL_REG_7_ATI = $8928;
  GL_REG_8_ATI = $8929;
  GL_REG_9_ATI = $892A;
  GL_REG_10_ATI = $892B;
  GL_REG_11_ATI = $892C;
  GL_REG_12_ATI = $892D;
  GL_REG_13_ATI = $892E;
  GL_REG_14_ATI = $892F;
  GL_REG_15_ATI = $8930;
  GL_REG_16_ATI = $8931;
  GL_REG_17_ATI = $8932;
  GL_REG_18_ATI = $8933;
  GL_REG_19_ATI = $8934;
  GL_REG_20_ATI = $8935;
  GL_REG_21_ATI = $8936;
  GL_REG_22_ATI = $8937;
  GL_REG_23_ATI = $8938;
  GL_REG_24_ATI = $8939;
  GL_REG_25_ATI = $893A;
  GL_REG_26_ATI = $893B;
  GL_REG_27_ATI = $893C;
  GL_REG_28_ATI = $893D;
  GL_REG_29_ATI = $893E;
  GL_REG_30_ATI = $893F;
  GL_REG_31_ATI = $8940;
  GL_CON_0_ATI = $8941;
  GL_CON_1_ATI = $8942;
  GL_CON_2_ATI = $8943;
  GL_CON_3_ATI = $8944;
  GL_CON_4_ATI = $8945;
  GL_CON_5_ATI = $8946;
  GL_CON_6_ATI = $8947;
  GL_CON_7_ATI = $8948;
  GL_CON_8_ATI = $8949;
  GL_CON_9_ATI = $894A;
  GL_CON_10_ATI = $894B;
  GL_CON_11_ATI = $894C;
  GL_CON_12_ATI = $894D;
  GL_CON_13_ATI = $894E;
  GL_CON_14_ATI = $894F;
  GL_CON_15_ATI = $8950;
  GL_CON_16_ATI = $8951;
  GL_CON_17_ATI = $8952;
  GL_CON_18_ATI = $8953;
  GL_CON_19_ATI = $8954;
  GL_CON_20_ATI = $8955;
  GL_CON_21_ATI = $8956;
  GL_CON_22_ATI = $8957;
  GL_CON_23_ATI = $8958;
  GL_CON_24_ATI = $8959;
  GL_CON_25_ATI = $895A;
  GL_CON_26_ATI = $895B;
  GL_CON_27_ATI = $895C;
  GL_CON_28_ATI = $895D;
  GL_CON_29_ATI = $895E;
  GL_CON_30_ATI = $895F;
  GL_CON_31_ATI = $8960;
  GL_MOV_ATI = $8961;
  GL_ADD_ATI = $8963;
  GL_MUL_ATI = $8964;
  GL_SUB_ATI = $8965;
  GL_DOT3_ATI = $8966;
  GL_DOT4_ATI = $8967;
  GL_MAD_ATI = $8968;
  GL_LERP_ATI = $8969;
  GL_CND_ATI = $896A;
  GL_CND0_ATI = $896B;
  GL_DOT2_ADD_ATI = $896C;
  GL_SECONDARY_INTERPOLATOR_ATI = $896D;
  GL_NUM_FRAGMENT_REGISTERS_ATI = $896E;
  GL_NUM_FRAGMENT_CONSTANTS_ATI = $896F;
  GL_NUM_PASSES_ATI = $8970;
  GL_NUM_INSTRUCTIONS_PER_PASS_ATI = $8971;
  GL_NUM_INSTRUCTIONS_TOTAL_ATI = $8972;
  GL_NUM_INPUT_INTERPOLATOR_COMPONENTS_ATI = $8973;
  GL_NUM_LOOPBACK_COMPONENTS_ATI = $8974;
  GL_COLOR_ALPHA_PAIRING_ATI = $8975;
  GL_SWIZZLE_STR_ATI = $8976;
  GL_SWIZZLE_STQ_ATI = $8977;
  GL_SWIZZLE_STR_DR_ATI = $8978;
  GL_SWIZZLE_STQ_DQ_ATI = $8979;
  GL_SWIZZLE_STRQ_ATI = $897A;
  GL_SWIZZLE_STRQ_DQ_ATI = $897B;
  GL_RED_BIT_ATI = $00000001;
  GL_GREEN_BIT_ATI = $00000002;
  GL_BLUE_BIT_ATI = $00000004;
  GL_2X_BIT_ATI = $00000001;
  GL_4X_BIT_ATI = $00000002;
  GL_8X_BIT_ATI = $00000004;
  GL_HALF_BIT_ATI = $00000008;
  GL_QUARTER_BIT_ATI = $00000010;
  GL_EIGHTH_BIT_ATI = $00000020;
  GL_SATURATE_BIT_ATI = $00000040;
  GL_COMP_BIT_ATI = $00000002;
  GL_NEGATE_BIT_ATI = $00000004;
  GL_BIAS_BIT_ATI = $00000008;

  // GL_ATI_pn_triangles
  GL_PN_TRIANGLES_ATI = $87F0;
  GL_MAX_PN_TRIANGLES_TESSELATION_LEVEL_ATI = $87F1;
  GL_PN_TRIANGLES_POINT_MODE_ATI = $87F2;
  GL_PN_TRIANGLES_NORMAL_MODE_ATI = $87F3;
  GL_PN_TRIANGLES_TESSELATION_LEVEL_ATI = $87F4;
  GL_PN_TRIANGLES_POINT_MODE_LINEAR_ATI = $87F5;
  GL_PN_TRIANGLES_POINT_MODE_CUBIC_ATI = $87F6;
  GL_PN_TRIANGLES_NORMAL_MODE_LINEAR_ATI = $87F7;
  GL_PN_TRIANGLES_NORMAL_MODE_QUADRATIC_ATI = $87F8;

  // GL_ATI_separate_stencil
  GL_STENCIL_BACK_FUNC_ATI = $8800;
  GL_STENCIL_BACK_FAIL_ATI = $8801;
  GL_STENCIL_BACK_PASS_DEPTH_FAIL_ATI = $8802;
  GL_STENCIL_BACK_PASS_DEPTH_PASS_ATI = $8803;

  // GL_ATI_text_fragment_shader
  GL_TEXT_FRAGMENT_SHADER_ATI = $8200;

  // GL_ATI_texture_env_combine3
  GL_MODULATE_ADD_ATI = $8744;
  GL_MODULATE_SIGNED_ADD_ATI = $8745;
  GL_MODULATE_SUBTRACT_ATI = $8746;

  // GL_ATI_texture_float
  GL_RGBA_FLOAT32_ATI = $8814;
  GL_RGB_FLOAT32_ATI = $8815;
  GL_ALPHA_FLOAT32_ATI = $8816;
  GL_INTENSITY_FLOAT32_ATI = $8817;
  GL_LUMINANCE_FLOAT32_ATI = $8818;
  GL_LUMINANCE_ALPHA_FLOAT32_ATI = $8819;
  GL_RGBA_FLOAT16_ATI = $881A;
  GL_RGB_FLOAT16_ATI = $881B;
  GL_ALPHA_FLOAT16_ATI = $881C;
  GL_INTENSITY_FLOAT16_ATI = $881D;
  GL_LUMINANCE_FLOAT16_ATI = $881E;
  GL_LUMINANCE_ALPHA_FLOAT16_ATI = $881F;

  // GL_ATI_texture_mirror_once
  GL_MIRROR_CLAMP_ATI = $8742;
  GL_MIRROR_CLAMP_TO_EDGE_ATI = $8743;

  // GL_ATI_vertex_array_object
  GL_STATIC_ATI = $8760;
  GL_DYNAMIC_ATI = $8761;
  GL_PRESERVE_ATI = $8762;
  GL_DISCARD_ATI = $8763;
  GL_OBJECT_BUFFER_SIZE_ATI = $8764;
  GL_OBJECT_BUFFER_USAGE_ATI = $8765;
  GL_ARRAY_OBJECT_BUFFER_ATI = $8766;
  GL_ARRAY_OBJECT_OFFSET_ATI = $8767;

  // GL_ATI_vertex_streams
  GL_MAX_VERTEX_STREAMS_ATI = $876B;
  GL_VERTEX_STREAM0_ATI = $876C;
  GL_VERTEX_STREAM1_ATI = $876D;
  GL_VERTEX_STREAM2_ATI = $876E;
  GL_VERTEX_STREAM3_ATI = $876F;
  GL_VERTEX_STREAM4_ATI = $8770;
  GL_VERTEX_STREAM5_ATI = $8771;
  GL_VERTEX_STREAM6_ATI = $8772;
  GL_VERTEX_STREAM7_ATI = $8773;
  GL_VERTEX_SOURCE_ATI = $8774;

  // GL_ATI_meminfo
  GL_VBO_FREE_MEMORY_ATI = $87FB;
  GL_TEXTURE_FREE_MEMORY_ATI = $87FC;
  GL_RENDERBUFFER_FREE_MEMORY_ATI = $87FD;

  // GL_AMD_performance_monitor
  GL_COUNTER_TYPE_AMD = $8BC0;
  GL_COUNTER_RANGE_AMD = $8BC1;
  GL_UNSIGNED_INT64_AMD = $8BC2;
  GL_PERCENTAGE_AMD = $8BC3;
  GL_PERFMON_RESULT_AVAILABLE_AMD = $8BC4;
  GL_PERFMON_RESULT_SIZE_AMD = $8BC5;
  GL_PERFMON_RESULT_AMD = $8BC6;

  // GL_AMD_vertex_shader_tesselator
  GL_SAMPLER_BUFFER_AMD = $9001;
  GL_INT_SAMPLER_BUFFER_AMD = $9002;
  GL_UNSIGNED_INT_SAMPLER_BUFFER_AMD = $9003;
  GL_TESSELLATION_MODE_AMD = $9004;
  GL_TESSELLATION_FACTOR_AMD = $9005;
  GL_DISCRETE_AMD = $9006;
  GL_CONTINUOUS_AMD = $9007;

  // GL_AMD_seamless_cubemap_per_texture
  { reuse GL_TEXTURE_CUBE_MAP_SEAMLESS }

  // GL_AMD_name_gen_delete
  GL_DATA_BUFFER_AMD = $9151;
  GL_PERFORMANCE_MONITOR_AMD = $9152;
  GL_QUERY_OBJECT_AMD = $9153;
  GL_VERTEX_ARRAY_OBJECT_AMD = $9154;
  GL_SAMPLER_OBJECT_AMD = $9155;

  // GL_AMD_debug_output
  GL_MAX_DEBUG_LOGGED_MESSAGES_AMD = $9144;
  GL_DEBUG_LOGGED_MESSAGES_AMD = $9145;
  GL_DEBUG_SEVERITY_HIGH_AMD = $9146;
  GL_DEBUG_SEVERITY_MEDIUM_AMD = $9147;
  GL_DEBUG_SEVERITY_LOW_AMD = $9148;
  GL_DEBUG_CATEGORY_API_ERROR_AMD = $9149;
  GL_DEBUG_CATEGORY_WINDOW_SYSTEM_AMD = $914A;
  GL_DEBUG_CATEGORY_DEPRECATION_AMD = $914B;
  GL_DEBUG_CATEGORY_UNDEFINED_BEHAVIOR_AMD = $914C;
  GL_DEBUG_CATEGORY_PERFORMANCE_AMD = $914D;
  GL_DEBUG_CATEGORY_SHADER_COMPILER_AMD = $914E;
  GL_DEBUG_CATEGORY_APPLICATION_AMD = $914F;
  GL_DEBUG_CATEGORY_OTHER_AMD = $9150;

  // GL_AMD_depth_clamp_separate
  GL_DEPTH_CLAMP_NEAR_AMD = $901E;
  GL_DEPTH_CLAMP_FAR_AMD = $901F;

  // GL_EXT_422_pixels
  GL_422_EXT = $80CC;
  GL_422_REV_EXT = $80CD;
  GL_422_AVERAGE_EXT = $80CE;
  GL_422_REV_AVERAGE_EXT = $80CF;

  // GL_EXT_abgr
  GL_ABGR_EXT = $8000;

  // GL_EXT_bgra
  GL_BGR_EXT = $80E0;
  GL_BGRA_EXT = $80E1;

  // GL_EXT_blend_color
  GL_CONSTANT_COLOR_EXT = $8001;
  GL_ONE_MINUS_CONSTANT_COLOR_EXT = $8002;
  GL_CONSTANT_ALPHA_EXT = $8003;
  GL_ONE_MINUS_CONSTANT_ALPHA_EXT = $8004;
  GL_BLEND_COLOR_EXT = $8005;

  // GL_EXT_blend_func_separate
  GL_BLEND_DST_RGB_EXT = $80C8;
  GL_BLEND_SRC_RGB_EXT = $80C9;
  GL_BLEND_DST_ALPHA_EXT = $80CA;
  GL_BLEND_SRC_ALPHA_EXT = $80CB;

  // GL_EXT_blend_minmax
  GL_FUNC_ADD_EXT = $8006;
  GL_MIN_EXT = $8007;
  GL_MAX_EXT = $8008;
  GL_BLEND_EQUATION_EXT = $8009;

  // GL_EXT_blend_subtract
  GL_FUNC_SUBTRACT_EXT = $800A;
  GL_FUNC_REVERSE_SUBTRACT_EXT = $800B;

  // GL_EXT_clip_volume_hint
  GL_CLIP_VOLUME_CLIPPING_HINT_EXT = $80F0;

  // GL_EXT_cmyka
  GL_CMYK_EXT = $800C;
  GL_CMYKA_EXT = $800D;
  GL_PACK_CMYK_HINT_EXT = $800E;
  GL_UNPACK_CMYK_HINT_EXT = $800F;

  // GL_EXT_compiled_vertex_array
  GL_ARRAY_ELEMENT_LOCK_FIRST_EXT = $81A8;
  GL_ARRAY_ELEMENT_LOCK_COUNT_EXT = $81A9;

  // GL_EXT_convolution
  GL_CONVOLUTION_1D_EXT = $8010;
  GL_CONVOLUTION_2D_EXT = $8011;
  GL_SEPARABLE_2D_EXT = $8012;
  GL_CONVOLUTION_BORDER_MODE_EXT = $8013;
  GL_CONVOLUTION_FILTER_SCALE_EXT = $8014;
  GL_CONVOLUTION_FILTER_BIAS_EXT = $8015;
  GL_REDUCE_EXT = $8016;
  GL_CONVOLUTION_FORMAT_EXT = $8017;
  GL_CONVOLUTION_WIDTH_EXT = $8018;
  GL_CONVOLUTION_HEIGHT_EXT = $8019;
  GL_MAX_CONVOLUTION_WIDTH_EXT = $801A;
  GL_MAX_CONVOLUTION_HEIGHT_EXT = $801B;
  GL_POST_CONVOLUTION_RED_SCALE_EXT = $801C;
  GL_POST_CONVOLUTION_GREEN_SCALE_EXT = $801D;
  GL_POST_CONVOLUTION_BLUE_SCALE_EXT = $801E;
  GL_POST_CONVOLUTION_ALPHA_SCALE_EXT = $801F;
  GL_POST_CONVOLUTION_RED_BIAS_EXT = $8020;
  GL_POST_CONVOLUTION_GREEN_BIAS_EXT = $8021;
  GL_POST_CONVOLUTION_BLUE_BIAS_EXT = $8022;
  GL_POST_CONVOLUTION_ALPHA_BIAS_EXT = $8023;

  // GL_EXT_coordinate_frame
  GL_TANGENT_ARRAY_EXT = $8439;
  GL_BINORMAL_ARRAY_EXT = $843A;
  GL_CURRENT_TANGENT_EXT = $843B;
  GL_CURRENT_BINORMAL_EXT = $843C;
  GL_TANGENT_ARRAY_TYPE_EXT = $843E;
  GL_TANGENT_ARRAY_STRIDE_EXT = $843F;
  GL_BINORMAL_ARRAY_TYPE_EXT = $8440;
  GL_BINORMAL_ARRAY_STRIDE_EXT = $8441;
  GL_TANGENT_ARRAY_POINTER_EXT = $8442;
  GL_BINORMAL_ARRAY_POINTER_EXT = $8443;
  GL_MAP1_TANGENT_EXT = $8444;
  GL_MAP2_TANGENT_EXT = $8445;
  GL_MAP1_BINORMAL_EXT = $8446;
  GL_MAP2_BINORMAL_EXT = $8447;

  // GL_EXT_cull_vertex
  GL_CULL_VERTEX_EXT = $81AA;
  GL_CULL_VERTEX_EYE_POSITION_EXT = $81AB;
  GL_CULL_VERTEX_OBJECT_POSITION_EXT = $81AC;

  // GL_EXT_draw_range_elements
  GL_MAX_ELEMENTS_VERTICES_EXT = $80E8;
  GL_MAX_ELEMENTS_INDICES_EXT = $80E9;

  // GL_EXT_fog_coord
  GL_FOG_COORDINATE_SOURCE_EXT = $8450;
  GL_FOG_COORDINATE_EXT = $8451;
  GL_FRAGMENT_DEPTH_EXT = $8452;
  GL_CURRENT_FOG_COORDINATE_EXT = $8453;
  GL_FOG_COORDINATE_ARRAY_TYPE_EXT = $8454;
  GL_FOG_COORDINATE_ARRAY_STRIDE_EXT = $8455;
  GL_FOG_COORDINATE_ARRAY_POINTER_EXT = $8456;
  GL_FOG_COORDINATE_ARRAY_EXT = $8457;

  // GL_EXT_framebuffer_object
  GL_FRAMEBUFFER_EXT = $8D40;
  GL_RENDERBUFFER_EXT = $8D41;
  GL_STENCIL_INDEX_EXT = $8D45;
  GL_STENCIL_INDEX1_EXT = $8D46;
  GL_STENCIL_INDEX4_EXT = $8D47;
  GL_STENCIL_INDEX8_EXT = $8D48;
  GL_STENCIL_INDEX16_EXT = $8D49;
  GL_RENDERBUFFER_WIDTH_EXT = $8D42;
  GL_RENDERBUFFER_HEIGHT_EXT = $8D43;
  GL_RENDERBUFFER_INTERNAL_FORMAT_EXT = $8D44;
  GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE_EXT = $8CD0;
  GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME_EXT = $8CD1;
  GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL_EXT = $8CD2;
  GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE_EXT = $8CD3;
  GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_3D_ZOFFSET_EXT = $8CD4;
  GL_COLOR_ATTACHMENT0_EXT = $8CE0;
  GL_COLOR_ATTACHMENT1_EXT = $8CE1;
  GL_COLOR_ATTACHMENT2_EXT = $8CE2;
  GL_COLOR_ATTACHMENT3_EXT = $8CE3;
  GL_COLOR_ATTACHMENT4_EXT = $8CE4;
  GL_COLOR_ATTACHMENT5_EXT = $8CE5;
  GL_COLOR_ATTACHMENT6_EXT = $8CE6;
  GL_COLOR_ATTACHMENT7_EXT = $8CE7;
  GL_COLOR_ATTACHMENT8_EXT = $8CE8;
  GL_COLOR_ATTACHMENT9_EXT = $8CE9;
  GL_COLOR_ATTACHMENT10_EXT = $8CEA;
  GL_COLOR_ATTACHMENT11_EXT = $8CEB;
  GL_COLOR_ATTACHMENT12_EXT = $8CEC;
  GL_COLOR_ATTACHMENT13_EXT = $8CED;
  GL_COLOR_ATTACHMENT14_EXT = $8CEE;
  GL_COLOR_ATTACHMENT15_EXT = $8CEF;
  GL_DEPTH_ATTACHMENT_EXT = $8D00;
  GL_STENCIL_ATTACHMENT_EXT = $8D20;
  GL_FRAMEBUFFER_COMPLETE_EXT = $8CD5;
  GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT = $8CD6;
  GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT = $8CD7;
  GL_FRAMEBUFFER_INCOMPLETE_DUPLICATE_ATTACHMENT_EXT = $8CD8;
  GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT = $8CD9;
  GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT = $8CDA;
  GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER_EXT = $8CDB;
  GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT = $8CDC;
  GL_FRAMEBUFFER_UNSUPPORTED_EXT = $8CDD;
  GL_FRAMEBUFFER_STATUS_ERROR_EXT = $8CDE;
  GL_FRAMEBUFFER_BINDING_EXT = $8CA6;
  GL_RENDERBUFFER_BINDING_EXT = $8CA7;
  GL_MAX_COLOR_ATTACHMENTS_EXT = $8CDF;
  GL_MAX_RENDERBUFFER_SIZE_EXT = $84E8;
  GL_INVALID_FRAMEBUFFER_OPERATION_EXT = $0506;

  // GL_EXT_histogram
  GL_HISTOGRAM_EXT = $8024;
  GL_PROXY_HISTOGRAM_EXT = $8025;
  GL_HISTOGRAM_WIDTH_EXT = $8026;
  GL_HISTOGRAM_FORMAT_EXT = $8027;
  GL_HISTOGRAM_RED_SIZE_EXT = $8028;
  GL_HISTOGRAM_GREEN_SIZE_EXT = $8029;
  GL_HISTOGRAM_BLUE_SIZE_EXT = $802A;
  GL_HISTOGRAM_ALPHA_SIZE_EXT = $802B;
  GL_HISTOGRAM_LUMINANCE_SIZE_EXT = $802C;
  GL_HISTOGRAM_SINK_EXT = $802D;
  GL_MINMAX_EXT = $802E;
  GL_MINMAX_FORMAT_EXT = $802F;
  GL_MINMAX_SINK_EXT = $8030;
  GL_TABLE_TOO_LARGE_EXT = $8031;

  // GL_EXT_index_array_formats
  GL_IUI_V2F_EXT = $81AD;
  GL_IUI_V3F_EXT = $81AE;
  GL_IUI_N3F_V2F_EXT = $81AF;
  GL_IUI_N3F_V3F_EXT = $81B0;
  GL_T2F_IUI_V2F_EXT = $81B1;
  GL_T2F_IUI_V3F_EXT = $81B2;
  GL_T2F_IUI_N3F_V2F_EXT = $81B3;
  GL_T2F_IUI_N3F_V3F_EXT = $81B4;

  // GL_EXT_index_func
  GL_INDEX_TEST_EXT = $81B5;
  GL_INDEX_TEST_FUNC_EXT = $81B6;
  GL_INDEX_TEST_REF_EXT = $81B7;

  // GL_EXT_index_material
  GL_INDEX_MATERIAL_EXT = $81B8;
  GL_INDEX_MATERIAL_PARAMETER_EXT = $81B9;
  GL_INDEX_MATERIAL_FACE_EXT = $81BA;

  // GL_EXT_light_texture
  GL_FRAGMENT_MATERIAL_EXT = $8349;
  GL_FRAGMENT_NORMAL_EXT = $834A;
  GL_FRAGMENT_COLOR_EXT = $834C;
  GL_ATTENUATION_EXT = $834D;
  GL_SHADOW_ATTENUATION_EXT = $834E;
  GL_TEXTURE_APPLICATION_MODE_EXT = $834F;
  GL_TEXTURE_LIGHT_EXT = $8350;
  GL_TEXTURE_MATERIAL_FACE_EXT = $8351;
  GL_TEXTURE_MATERIAL_PARAMETER_EXT = $8352;

  // GL_EXT_multisample
  GL_MULTISAMPLE_EXT = $809D;
  GL_SAMPLE_ALPHA_TO_MASK_EXT = $809E;
  GL_SAMPLE_ALPHA_TO_ONE_EXT = $809F;
  GL_SAMPLE_MASK_EXT = $80A0;
  GL_1PASS_EXT = $80A1;
  GL_2PASS_0_EXT = $80A2;
  GL_2PASS_1_EXT = $80A3;
  GL_4PASS_0_EXT = $80A4;
  GL_4PASS_1_EXT = $80A5;
  GL_4PASS_2_EXT = $80A6;
  GL_4PASS_3_EXT = $80A7;
  GL_SAMPLE_BUFFERS_EXT = $80A8;
  GL_SAMPLES_EXT = $80A9;
  GL_SAMPLE_MASK_VALUE_EXT = $80AA;
  GL_SAMPLE_MASK_INVERT_EXT = $80AB;
  GL_SAMPLE_PATTERN_EXT = $80AC;
  GL_MULTISAMPLE_BIT_EXT = $20000000;

  // GL_EXT_packed_pixels
  GL_UNSIGNED_BYTE_3_3_2_EXT = $8032;
  GL_UNSIGNED_SHORT_4_4_4_4_EXT = $8033;
  GL_UNSIGNED_SHORT_5_5_5_1_EXT = $8034;
  GL_UNSIGNED_INT_8_8_8_8_EXT = $8035;
  GL_UNSIGNED_INT_10_10_10_2_EXT = $8036;

  // GL_EXT_paletted_texture
  GL_COLOR_INDEX1_EXT = $80E2;
  GL_COLOR_INDEX2_EXT = $80E3;
  GL_COLOR_INDEX4_EXT = $80E4;
  GL_COLOR_INDEX8_EXT = $80E5;
  GL_COLOR_INDEX12_EXT = $80E6;
  GL_COLOR_INDEX16_EXT = $80E7;
  GL_TEXTURE_INDEX_SIZE_EXT = $80ED;

  // GL_EXT_pixel_transform
  GL_PIXEL_TRANSFORM_2D_EXT = $8330;
  GL_PIXEL_MAG_FILTER_EXT = $8331;
  GL_PIXEL_MIN_FILTER_EXT = $8332;
  GL_PIXEL_CUBIC_WEIGHT_EXT = $8333;
  GL_CUBIC_EXT = $8334;
  GL_AVERAGE_EXT = $8335;
  GL_PIXEL_TRANSFORM_2D_STACK_DEPTH_EXT = $8336;
  GL_MAX_PIXEL_TRANSFORM_2D_STACK_DEPTH_EXT = $8337;
  GL_PIXEL_TRANSFORM_2D_MATRIX_EXT = $8338;

  // GL_EXT_point_parameters
  GL_POINT_SIZE_MIN_EXT = $8126;
  GL_POINT_SIZE_MAX_EXT = $8127;
  GL_POINT_FADE_THRESHOLD_SIZE_EXT = $8128;
  GL_DISTANCE_ATTENUATION_EXT = $8129;

  // GL_EXT_polygon_offset
  GL_POLYGON_OFFSET_EXT = $8037;
  GL_POLYGON_OFFSET_FACTOR_EXT = $8038;
  GL_POLYGON_OFFSET_BIAS_EXT = $8039;

  // GL_EXT_rescale_normal
  GL_RESCALE_NORMAL_EXT = $803A;

  // GL_EXT_secondary_color
  GL_COLOR_SUM_EXT = $8458;
  GL_CURRENT_SECONDARY_COLOR_EXT = $8459;
  GL_SECONDARY_COLOR_ARRAY_SIZE_EXT = $845A;
  GL_SECONDARY_COLOR_ARRAY_TYPE_EXT = $845B;
  GL_SECONDARY_COLOR_ARRAY_STRIDE_EXT = $845C;
  GL_SECONDARY_COLOR_ARRAY_POINTER_EXT = $845D;
  GL_SECONDARY_COLOR_ARRAY_EXT = $845E;

  // GL_EXT_separate_specular_color
  GL_LIGHT_MODEL_COLOR_CONTROL_EXT = $81F8;
  GL_SINGLE_COLOR_EXT = $81F9;
  GL_SEPARATE_SPECULAR_COLOR_EXT = $81FA;

  // GL_EXT_shared_texture_palette
  GL_SHARED_TEXTURE_PALETTE_EXT = $81FB;

  // GL_EXT_stencil_two_side
  GL_STENCIL_TEST_TWO_SIDE_EXT = $8910;
  GL_ACTIVE_STENCIL_FACE_EXT = $8911;

  // GL_EXT_stencil_wrap
  GL_INCR_WRAP_EXT = $8507;
  GL_DECR_WRAP_EXT = $8508;

  // GL_EXT_texture
  GL_ALPHA4_EXT = $803B;
  GL_ALPHA8_EXT = $803C;
  GL_ALPHA12_EXT = $803D;
  GL_ALPHA16_EXT = $803E;
  GL_LUMINANCE4_EXT = $803F;
  GL_LUMINANCE8_EXT = $8040;
  GL_LUMINANCE12_EXT = $8041;
  GL_LUMINANCE16_EXT = $8042;
  GL_LUMINANCE4_ALPHA4_EXT = $8043;
  GL_LUMINANCE6_ALPHA2_EXT = $8044;
  GL_LUMINANCE8_ALPHA8_EXT = $8045;
  GL_LUMINANCE12_ALPHA4_EXT = $8046;
  GL_LUMINANCE12_ALPHA12_EXT = $8047;
  GL_LUMINANCE16_ALPHA16_EXT = $8048;
  GL_INTENSITY_EXT = $8049;
  GL_INTENSITY4_EXT = $804A;
  GL_INTENSITY8_EXT = $804B;
  GL_INTENSITY12_EXT = $804C;
  GL_INTENSITY16_EXT = $804D;
  GL_RGB2_EXT = $804E;
  GL_RGB4_EXT = $804F;
  GL_RGB5_EXT = $8050;
  GL_RGB8_EXT = $8051;
  GL_RGB10_EXT = $8052;
  GL_RGB12_EXT = $8053;
  GL_RGB16_EXT = $8054;
  GL_RGBA2_EXT = $8055;
  GL_RGBA4_EXT = $8056;
  GL_RGB5_A1_EXT = $8057;
  GL_RGBA8_EXT = $8058;
  GL_RGB10_A2_EXT = $8059;
  GL_RGBA12_EXT = $805A;
  GL_RGBA16_EXT = $805B;
  GL_TEXTURE_RED_SIZE_EXT = $805C;
  GL_TEXTURE_GREEN_SIZE_EXT = $805D;
  GL_TEXTURE_BLUE_SIZE_EXT = $805E;
  GL_TEXTURE_ALPHA_SIZE_EXT = $805F;
  GL_TEXTURE_LUMINANCE_SIZE_EXT = $8060;
  GL_TEXTURE_INTENSITY_SIZE_EXT = $8061;
  GL_REPLACE_EXT = $8062;
  GL_PROXY_TEXTURE_1D_EXT = $8063;
  GL_PROXY_TEXTURE_2D_EXT = $8064;
  GL_TEXTURE_TOO_LARGE_EXT = $8065;

  // GL_EXT_texture3D
  GL_PACK_SKIP_IMAGES_EXT = $806B;
  GL_PACK_IMAGE_HEIGHT_EXT = $806C;
  GL_UNPACK_SKIP_IMAGES_EXT = $806D;
  GL_UNPACK_IMAGE_HEIGHT_EXT = $806E;
  GL_TEXTURE_3D_EXT = $806F;
  GL_PROXY_TEXTURE_3D_EXT = $8070;
  GL_TEXTURE_DEPTH_EXT = $8071;
  GL_TEXTURE_WRAP_R_EXT = $8072;
  GL_MAX_3D_TEXTURE_SIZE_EXT = $8073;

  // GL_EXT_texture_compression_s3tc
  GL_COMPRESSED_RGB_S3TC_DXT1_EXT = $83F0;
  GL_COMPRESSED_RGBA_S3TC_DXT1_EXT = $83F1;
  GL_COMPRESSED_RGBA_S3TC_DXT3_EXT = $83F2;
  GL_COMPRESSED_RGBA_S3TC_DXT5_EXT = $83F3;

  // GL_EXT_texture_cube_map
  GL_NORMAL_MAP_EXT = $8511;
  GL_REFLECTION_MAP_EXT = $8512;
  GL_TEXTURE_CUBE_MAP_EXT = $8513;
  GL_TEXTURE_BINDING_CUBE_MAP_EXT = $8514;
  GL_TEXTURE_CUBE_MAP_POSITIVE_X_EXT = $8515;
  GL_TEXTURE_CUBE_MAP_NEGATIVE_X_EXT = $8516;
  GL_TEXTURE_CUBE_MAP_POSITIVE_Y_EXT = $8517;
  GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_EXT = $8518;
  GL_TEXTURE_CUBE_MAP_POSITIVE_Z_EXT = $8519;
  GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_EXT = $851A;
  GL_PROXY_TEXTURE_CUBE_MAP_EXT = $851B;
  GL_MAX_CUBE_MAP_TEXTURE_SIZE_EXT = $851C;

  // GL_EXT_texture_edge_clamp
  GL_CLAMP_TO_EDGE_EXT = $812F;

  // GL_EXT_texture_env_combine
  GL_COMBINE_EXT = $8570;
  GL_COMBINE_RGB_EXT = $8571;
  GL_COMBINE_ALPHA_EXT = $8572;
  GL_RGB_SCALE_EXT = $8573;
  GL_ADD_SIGNED_EXT = $8574;
  GL_INTERPOLATE_EXT = $8575;
  GL_CONSTANT_EXT = $8576;
  GL_PRIMARY_COLOR_EXT = $8577;
  GL_PREVIOUS_EXT = $8578;
  GL_SOURCE0_RGB_EXT = $8580;
  GL_SOURCE1_RGB_EXT = $8581;
  GL_SOURCE2_RGB_EXT = $8582;
  GL_SOURCE0_ALPHA_EXT = $8588;
  GL_SOURCE1_ALPHA_EXT = $8589;
  GL_SOURCE2_ALPHA_EXT = $858A;
  GL_OPERAND0_RGB_EXT = $8590;
  GL_OPERAND1_RGB_EXT = $8591;
  GL_OPERAND2_RGB_EXT = $8592;
  GL_OPERAND0_ALPHA_EXT = $8598;
  GL_OPERAND1_ALPHA_EXT = $8599;
  GL_OPERAND2_ALPHA_EXT = $859A;

  // GL_EXT_texture_env_dot3
  GL_DOT3_RGB_EXT = $8740;
  GL_DOT3_RGBA_EXT = $8741;

  // GL_EXT_texture_filter_anisotropic
  GL_TEXTURE_MAX_ANISOTROPY_EXT = $84FE;
  GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT = $84FF;

  // GL_EXT_texture_lod_bias
  GL_MAX_TEXTURE_LOD_BIAS_EXT = $84FD;
  GL_TEXTURE_FILTER_CONTROL_EXT = $8500;
  GL_TEXTURE_LOD_BIAS_EXT = $8501;

  // GL_EXT_texture_object
  GL_TEXTURE_PRIORITY_EXT = $8066;
  GL_TEXTURE_RESIDENT_EXT = $8067;
  GL_TEXTURE_1D_BINDING_EXT = $8068;
  GL_TEXTURE_2D_BINDING_EXT = $8069;
  GL_TEXTURE_3D_BINDING_EXT = $806A;

  // GL_EXT_texture_perturb_normal
  GL_PERTURB_EXT = $85AE;
  GL_TEXTURE_NORMAL_EXT = $85AF;

  // GL_EXT_texture_rectangle
  GL_TEXTURE_RECTANGLE_EXT = $84F5;
  GL_TEXTURE_BINDING_RECTANGLE_EXT = $84F6;
  GL_PROXY_TEXTURE_RECTANGLE_EXT = $84F7;
  GL_MAX_RECTANGLE_TEXTURE_SIZE_EXT = $84F8;

  // GL_EXT_vertex_array
  GL_VERTEX_ARRAY_EXT = $8074;
  GL_NORMAL_ARRAY_EXT = $8075;
  GL_COLOR_ARRAY_EXT = $8076;
  GL_INDEX_ARRAY_EXT = $8077;
  GL_TEXTURE_COORD_ARRAY_EXT = $8078;
  GL_EDGE_FLAG_ARRAY_EXT = $8079;
  GL_VERTEX_ARRAY_SIZE_EXT = $807A;
  GL_VERTEX_ARRAY_TYPE_EXT = $807B;
  GL_VERTEX_ARRAY_STRIDE_EXT = $807C;
  GL_VERTEX_ARRAY_COUNT_EXT = $807D;
  GL_NORMAL_ARRAY_TYPE_EXT = $807E;
  GL_NORMAL_ARRAY_STRIDE_EXT = $807F;
  GL_NORMAL_ARRAY_COUNT_EXT = $8080;
  GL_COLOR_ARRAY_SIZE_EXT = $8081;
  GL_COLOR_ARRAY_TYPE_EXT = $8082;
  GL_COLOR_ARRAY_STRIDE_EXT = $8083;
  GL_COLOR_ARRAY_COUNT_EXT = $8084;
  GL_INDEX_ARRAY_TYPE_EXT = $8085;
  GL_INDEX_ARRAY_STRIDE_EXT = $8086;
  GL_INDEX_ARRAY_COUNT_EXT = $8087;
  GL_TEXTURE_COORD_ARRAY_SIZE_EXT = $8088;
  GL_TEXTURE_COORD_ARRAY_TYPE_EXT = $8089;
  GL_TEXTURE_COORD_ARRAY_STRIDE_EXT = $808A;
  GL_TEXTURE_COORD_ARRAY_COUNT_EXT = $808B;
  GL_EDGE_FLAG_ARRAY_STRIDE_EXT = $808C;
  GL_EDGE_FLAG_ARRAY_COUNT_EXT = $808D;
  GL_VERTEX_ARRAY_POINTER_EXT = $808E;
  GL_NORMAL_ARRAY_POINTER_EXT = $808F;
  GL_COLOR_ARRAY_POINTER_EXT = $8090;
  GL_INDEX_ARRAY_POINTER_EXT = $8091;
  GL_TEXTURE_COORD_ARRAY_POINTER_EXT = $8092;
  GL_EDGE_FLAG_ARRAY_POINTER_EXT = $8093;

  // GL_EXT_vertex_shader
  GL_VERTEX_SHADER_EXT = $8780;
  GL_VERTEX_SHADER_BINDING_EXT = $8781;
  GL_OP_INDEX_EXT = $8782;
  GL_OP_NEGATE_EXT = $8783;
  GL_OP_DOT3_EXT = $8784;
  GL_OP_DOT4_EXT = $8785;
  GL_OP_MUL_EXT = $8786;
  GL_OP_ADD_EXT = $8787;
  GL_OP_MADD_EXT = $8788;
  GL_OP_FRAC_EXT = $8789;
  GL_OP_MAX_EXT = $878A;
  GL_OP_MIN_EXT = $878B;
  GL_OP_SET_GE_EXT = $878C;
  GL_OP_SET_LT_EXT = $878D;
  GL_OP_CLAMP_EXT = $878E;
  GL_OP_FLOOR_EXT = $878F;
  GL_OP_ROUND_EXT = $8790;
  GL_OP_EXP_BASE_2_EXT = $8791;
  GL_OP_LOG_BASE_2_EXT = $8792;
  GL_OP_POWER_EXT = $8793;
  GL_OP_RECIP_EXT = $8794;
  GL_OP_RECIP_SQRT_EXT = $8795;
  GL_OP_SUB_EXT = $8796;
  GL_OP_CROSS_PRODUCT_EXT = $8797;
  GL_OP_MULTIPLY_MATRIX_EXT = $8798;
  GL_OP_MOV_EXT = $8799;
  GL_OUTPUT_VERTEX_EXT = $879A;
  GL_OUTPUT_COLOR0_EXT = $879B;
  GL_OUTPUT_COLOR1_EXT = $879C;
  GL_OUTPUT_TEXTURE_COORD0_EXT = $879D;
  GL_OUTPUT_TEXTURE_COORD1_EXT = $879E;
  GL_OUTPUT_TEXTURE_COORD2_EXT = $879F;
  GL_OUTPUT_TEXTURE_COORD3_EXT = $87A0;
  GL_OUTPUT_TEXTURE_COORD4_EXT = $87A1;
  GL_OUTPUT_TEXTURE_COORD5_EXT = $87A2;
  GL_OUTPUT_TEXTURE_COORD6_EXT = $87A3;
  GL_OUTPUT_TEXTURE_COORD7_EXT = $87A4;
  GL_OUTPUT_TEXTURE_COORD8_EXT = $87A5;
  GL_OUTPUT_TEXTURE_COORD9_EXT = $87A6;
  GL_OUTPUT_TEXTURE_COORD10_EXT = $87A7;
  GL_OUTPUT_TEXTURE_COORD11_EXT = $87A8;
  GL_OUTPUT_TEXTURE_COORD12_EXT = $87A9;
  GL_OUTPUT_TEXTURE_COORD13_EXT = $87AA;
  GL_OUTPUT_TEXTURE_COORD14_EXT = $87AB;
  GL_OUTPUT_TEXTURE_COORD15_EXT = $87AC;
  GL_OUTPUT_TEXTURE_COORD16_EXT = $87AD;
  GL_OUTPUT_TEXTURE_COORD17_EXT = $87AE;
  GL_OUTPUT_TEXTURE_COORD18_EXT = $87AF;
  GL_OUTPUT_TEXTURE_COORD19_EXT = $87B0;
  GL_OUTPUT_TEXTURE_COORD20_EXT = $87B1;
  GL_OUTPUT_TEXTURE_COORD21_EXT = $87B2;
  GL_OUTPUT_TEXTURE_COORD22_EXT = $87B3;
  GL_OUTPUT_TEXTURE_COORD23_EXT = $87B4;
  GL_OUTPUT_TEXTURE_COORD24_EXT = $87B5;
  GL_OUTPUT_TEXTURE_COORD25_EXT = $87B6;
  GL_OUTPUT_TEXTURE_COORD26_EXT = $87B7;
  GL_OUTPUT_TEXTURE_COORD27_EXT = $87B8;
  GL_OUTPUT_TEXTURE_COORD28_EXT = $87B9;
  GL_OUTPUT_TEXTURE_COORD29_EXT = $87BA;
  GL_OUTPUT_TEXTURE_COORD30_EXT = $87BB;
  GL_OUTPUT_TEXTURE_COORD31_EXT = $87BC;
  GL_OUTPUT_FOG_EXT = $87BD;
  GL_SCALAR_EXT = $87BE;
  GL_VECTOR_EXT = $87BF;
  GL_MATRIX_EXT = $87C0;
  GL_VARIANT_EXT = $87C1;
  GL_INVARIANT_EXT = $87C2;
  GL_LOCAL_CONSTANT_EXT = $87C3;
  GL_LOCAL_EXT = $87C4;
  GL_MAX_VERTEX_SHADER_INSTRUCTIONS_EXT = $87C5;
  GL_MAX_VERTEX_SHADER_VARIANTS_EXT = $87C6;
  GL_MAX_VERTEX_SHADER_INVARIANTS_EXT = $87C7;
  GL_MAX_VERTEX_SHADER_LOCAL_CONSTANTS_EXT = $87C8;
  GL_MAX_VERTEX_SHADER_LOCALS_EXT = $87C9;
  GL_MAX_OPTIMIZED_VERTEX_SHADER_INSTRUCTIONS_EXT = $87CA;
  GL_MAX_OPTIMIZED_VERTEX_SHADER_VARIANTS_EXT = $87CB;
  GL_MAX_OPTIMIZED_VERTEX_SHADER_LOCAL_CONSTANTS_EXT = $87CC;
  GL_MAX_OPTIMIZED_VERTEX_SHADER_INVARIANTS_EXT = $87CD;
  GL_MAX_OPTIMIZED_VERTEX_SHADER_LOCALS_EXT = $87CE;
  GL_VERTEX_SHADER_INSTRUCTIONS_EXT = $87CF;
  GL_VERTEX_SHADER_VARIANTS_EXT = $87D0;
  GL_VERTEX_SHADER_INVARIANTS_EXT = $87D1;
  GL_VERTEX_SHADER_LOCAL_CONSTANTS_EXT = $87D2;
  GL_VERTEX_SHADER_LOCALS_EXT = $87D3;
  GL_VERTEX_SHADER_OPTIMIZED_EXT = $87D4;
  GL_X_EXT = $87D5;
  GL_Y_EXT = $87D6;
  GL_Z_EXT = $87D7;
  GL_W_EXT = $87D8;
  GL_NEGATIVE_X_EXT = $87D9;
  GL_NEGATIVE_Y_EXT = $87DA;
  GL_NEGATIVE_Z_EXT = $87DB;
  GL_NEGATIVE_W_EXT = $87DC;
  GL_ZERO_EXT = $87DD;
  GL_ONE_EXT = $87DE;
  GL_NEGATIVE_ONE_EXT = $87DF;
  GL_NORMALIZED_RANGE_EXT = $87E0;
  GL_FULL_RANGE_EXT = $87E1;
  GL_CURRENT_VERTEX_EXT = $87E2;
  GL_MVP_MATRIX_EXT = $87E3;
  GL_VARIANT_VALUE_EXT = $87E4;
  GL_VARIANT_DATATYPE_EXT = $87E5;
  GL_VARIANT_ARRAY_STRIDE_EXT = $87E6;
  GL_VARIANT_ARRAY_TYPE_EXT = $87E7;
  GL_VARIANT_ARRAY_EXT = $87E8;
  GL_VARIANT_ARRAY_POINTER_EXT = $87E9;
  GL_INVARIANT_VALUE_EXT = $87EA;
  GL_INVARIANT_DATATYPE_EXT = $87EB;
  GL_LOCAL_CONSTANT_VALUE_EXT = $87EC;
  GL_LOCAL_CONSTANT_DATATYPE_EXT = $87ED;

  // GL_EXT_vertex_weighting
  GL_MODELVIEW0_STACK_DEPTH_EXT = $0BA3;
  GL_MODELVIEW1_STACK_DEPTH_EXT = $8502;
  GL_MODELVIEW0_MATRIX_EXT = $0BA6;
  GL_MODELVIEW1_MATRIX_EXT = $8506;
  GL_VERTEX_WEIGHTING_EXT = $8509;
  GL_MODELVIEW0_EXT = $1700;
  GL_MODELVIEW1_EXT = $850A;
  GL_CURRENT_VERTEX_WEIGHT_EXT = $850B;
  GL_VERTEX_WEIGHT_ARRAY_EXT = $850C;
  GL_VERTEX_WEIGHT_ARRAY_SIZE_EXT = $850D;
  GL_VERTEX_WEIGHT_ARRAY_TYPE_EXT = $850E;
  GL_VERTEX_WEIGHT_ARRAY_STRIDE_EXT = $850F;
  GL_VERTEX_WEIGHT_ARRAY_POINTER_EXT = $8510;

  // GL_EXT_depth_bounds_test
  GL_DEPTH_BOUNDS_TEST_EXT = $8890;
  GL_DEPTH_BOUNDS_EXT = $8891;

  // GL_EXT_texture_mirror_clamp
  GL_MIRROR_CLAMP_EXT = $8742;
  GL_MIRROR_CLAMP_TO_EDGE_EXT = $8743;
  GL_MIRROR_CLAMP_TO_BORDER_EXT = $8912;

  // GL_EXT_blend_equation_separate
  GL_BLEND_EQUATION_RGB_EXT = $8009;
  GL_BLEND_EQUATION_ALPHA_EXT = $883D;

  // GL_EXT_pixel_buffer_object
  GL_PIXEL_PACK_BUFFER_EXT = $88EB;
  GL_PIXEL_UNPACK_BUFFER_EXT = $88EC;
  GL_PIXEL_PACK_BUFFER_BINDING_EXT = $88ED;
  GL_PIXEL_UNPACK_BUFFER_BINDING_EXT = $88EF;

  // GL_EXT_stencil_clear_tag
  GL_STENCIL_TAG_BITS_EXT = $88F2;
  GL_STENCIL_CLEAR_TAG_VALUE_EXT = $88F3;

  // GL_EXT_packed_depth_stencil
  GL_DEPTH_STENCIL_EXT = $84F9;
  GL_UNSIGNED_INT_24_8_EXT = $84FA;
  GL_DEPTH24_STENCIL8_EXT = $88F0;
  GL_TEXTURE_STENCIL_SIZE_EXT = $88F1;

  // GL_EXT_texture_sRGB
  GL_SRGB_EXT = $8C40;
  GL_SRGB8_EXT = $8C41;
  GL_SRGB_ALPHA_EXT = $8C42;
  GL_SRGB8_ALPHA8_EXT = $8C43;
  GL_SLUMINANCE_ALPHA_EXT = $8C44;
  GL_SLUMINANCE8_ALPHA8_EXT = $8C45;
  GL_SLUMINANCE_EXT = $8C46;
  GL_SLUMINANCE8_EXT = $8C47;
  GL_COMPRESSED_SRGB_EXT = $8C48;
  GL_COMPRESSED_SRGB_ALPHA_EXT = $8C49;
  GL_COMPRESSED_SLUMINANCE_EXT = $8C4A;
  GL_COMPRESSED_SLUMINANCE_ALPHA_EXT = $8C4B;
  GL_COMPRESSED_SRGB_S3TC_DXT1_EXT = $8C4C;
  GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT = $8C4D;
  GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT = $8C4E;
  GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT = $8C4F;

  // GL_EXT_framebuffer_blit
  GL_READ_FRAMEBUFFER_EXT = $8CA8;
  GL_DRAW_FRAMEBUFFER_EXT = $8CA9;
  GL_READ_FRAMEBUFFER_BINDING_EXT = GL_FRAMEBUFFER_BINDING_EXT;
  GL_DRAW_FRAMEBUFFER_BINDING_EXT = $8CAA;

  // GL_EXT_framebuffer_multisample
  GL_RENDERBUFFER_SAMPLES_EXT = $8CAB;
  GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE_EXT = $8D56;
  GL_MAX_SAMPLES_EXT = $8D57;

  // GL_EXT_timer_query
  GL_TIME_ELAPSED_EXT = $88BF;

  // GL_EXT_bindable_uniform
  GL_MAX_VERTEX_BINDABLE_UNIFORMS_EXT = $8DE2;
  GL_MAX_FRAGMENT_BINDABLE_UNIFORMS_EXT = $8DE3;
  GL_MAX_GEOMETRY_BINDABLE_UNIFORMS_EXT = $8DE4;
  GL_MAX_BINDABLE_UNIFORM_SIZE_EXT = $8DED;
  GL_UNIFORM_BUFFER_EXT = $8DEE;
  GL_UNIFORM_BUFFER_BINDING_EXT = $8DEF;

  // GL_EXT_framebuffer_sRGB
  GLX_FRAMEBUFFER_SRGB_CAPABLE_EXT = $20B2;
  WGL_FRAMEBUFFER_SRGB_CAPABLE_EXT = $20A9;
  GL_FRAMEBUFFER_SRGB_EXT = $8DB9;
  GL_FRAMEBUFFER_SRGB_CAPABLE_EXT = $8DBA;

  // GL_EXT_geometry_shader4
  GL_GEOMETRY_SHADER_EXT = $8DD9;
  GL_GEOMETRY_VERTICES_OUT_EXT = $8DDA;
  GL_GEOMETRY_INPUT_TYPE_EXT = $8DDB;
  GL_GEOMETRY_OUTPUT_TYPE_EXT = $8DDC;
  GL_MAX_GEOMETRY_TEXTURE_IMAGE_UNITS_EXT = $8C29;
  GL_MAX_GEOMETRY_VARYING_COMPONENTS_EXT = $8DDD;
  GL_MAX_VERTEX_VARYING_COMPONENTS_EXT = $8DDE;
  GL_MAX_VARYING_COMPONENTS_EXT = $8B4B;
  GL_MAX_GEOMETRY_UNIFORM_COMPONENTS_EXT = $8DDF;
  GL_MAX_GEOMETRY_OUTPUT_VERTICES_EXT = $8DE0;
  GL_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS_EXT = $8DE1;
  GL_LINES_ADJACENCY_EXT = $A;
  GL_LINE_STRIP_ADJACENCY_EXT = $B;
  GL_TRIANGLES_ADJACENCY_EXT = $C;
  GL_TRIANGLE_STRIP_ADJACENCY_EXT = $D;
  GL_FRAMEBUFFER_INCOMPLETE_LAYER_TARGETS_EXT = $8DA8;
  GL_FRAMEBUFFER_INCOMPLETE_LAYER_COUNT_EXT = $8DA9;
  GL_FRAMEBUFFER_ATTACHMENT_LAYERED_EXT = $8DA7;
  GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LAYER_EXT = $8CD4;
  GL_PROGRAM_POINT_SIZE_EXT = $8642;

  // GL_EXT_gpu_shader4
  GL_VERTEX_ATTRIB_ARRAY_INTEGER_EXT = $88FD;
  GL_SAMPLER_1D_ARRAY_EXT = $8DC0;
  GL_SAMPLER_2D_ARRAY_EXT = $8DC1;
  GL_SAMPLER_BUFFER_EXT = $8DC2;
  GL_SAMPLER_1D_ARRAY_SHADOW_EXT = $8DC3;
  GL_SAMPLER_2D_ARRAY_SHADOW_EXT = $8DC4;
  GL_SAMPLER_CUBE_SHADOW_EXT = $8DC5;
  GL_UNSIGNED_INT_VEC2_EXT = $8DC6;
  GL_UNSIGNED_INT_VEC3_EXT = $8DC7;
  GL_UNSIGNED_INT_VEC4_EXT = $8DC8;
  GL_INT_SAMPLER_1D_EXT = $8DC9;
  GL_INT_SAMPLER_2D_EXT = $8DCA;
  GL_INT_SAMPLER_3D_EXT = $8DCB;
  GL_INT_SAMPLER_CUBE_EXT = $8DCC;
  GL_INT_SAMPLER_2D_RECT_EXT = $8DCD;
  GL_INT_SAMPLER_1D_ARRAY_EXT = $8DCE;
  GL_INT_SAMPLER_2D_ARRAY_EXT = $8DCF;
  GL_INT_SAMPLER_BUFFER_EXT = $8DD0;
  GL_UNSIGNED_INT_SAMPLER_1D_EXT = $8DD1;
  GL_UNSIGNED_INT_SAMPLER_2D_EXT = $8DD2;
  GL_UNSIGNED_INT_SAMPLER_3D_EXT = $8DD3;
  GL_UNSIGNED_INT_SAMPLER_CUBE_EXT = $8DD4;
  GL_UNSIGNED_INT_SAMPLER_2D_RECT_EXT = $8DD5;
  GL_UNSIGNED_INT_SAMPLER_1D_ARRAY_EXT = $8DD6;
  GL_UNSIGNED_INT_SAMPLER_2D_ARRAY_EXT = $8DD7;
  GL_UNSIGNED_INT_SAMPLER_BUFFER_EXT = $8DD8;
  GL_MIN_PROGRAM_TEXEL_OFFSET_EXT = $8904;
  GL_MAX_PROGRAM_TEXEL_OFFSET_EXT = $8905;

  // GL_EXT_packed_float
  GL_R11F_G11F_B10F_EXT = $8C3A;
  GL_UNSIGNED_INT_10F_11F_11F_REV_EXT = $8C3B;
  RGBA_SIGNED_COMPONENTS_EXT = $8C3C;
  WGL_TYPE_RGBA_UNSIGNED_FLOAT_EXT = $20A8;
  GLX_RGBA_UNSIGNED_FLOAT_TYPE_EXT = $20B1;
  GLX_RGBA_UNSIGNED_FLOAT_BIT_EXT = $00000008;

  // GL_EXT_texture_array
  GL_TEXTURE_1D_ARRAY_EXT = $8C18;
  GL_TEXTURE_2D_ARRAY_EXT = $8C1A;
  GL_PROXY_TEXTURE_2D_ARRAY_EXT = $8C1B;
  GL_PROXY_TEXTURE_1D_ARRAY_EXT = $8C19;
  GL_TEXTURE_BINDING_1D_ARRAY_EXT = $8C1C;
  GL_TEXTURE_BINDING_2D_ARRAY_EXT = $8C1D;
  GL_MAX_ARRAY_TEXTURE_LAYERS_EXT = $88FF;
  GL_COMPARE_REF_DEPTH_TO_TEXTURE_EXT = $884E;

  // GL_EXT_texture_buffer_object
  GL_TEXTURE_BUFFER_EXT = $8C2A;
  GL_MAX_TEXTURE_BUFFER_SIZE_EXT = $8C2B;
  GL_TEXTURE_BINDING_BUFFER_EXT = $8C2C;
  GL_TEXTURE_BUFFER_DATA_STORE_BINDING_EXT = $8C2D;
  GL_TEXTURE_BUFFER_FORMAT_EXT = $8C2E;

  // GL_EXT_texture_compression_latc
  GL_COMPRESSED_LUMINANCE_LATC1_EXT = $8C70;
  GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT = $8C71;
  GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT = $8C72;
  GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT = $8C73;

  // GL_EXT_texture_compression_rgtc
  GL_COMPRESSED_RED_RGTC1_EXT = $8DBB;
  GL_COMPRESSED_SIGNED_RED_RGTC1_EXT = $8DBC;
  GL_COMPRESSED_RED_GREEN_RGTC2_EXT = $8DBD;
  GL_COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT = $8DBE;

  // GL_EXT_texture_integer
  GL_RGBA_INTEGER_MODE_EXT = $8D9E;
  GL_RGBA32UI_EXT = $8D70;
  GL_RGB32UI_EXT = $8D71;
  GL_ALPHA32UI_EXT = $8D72;
  GL_INTENSITY32UI_EXT = $8D73;
  GL_LUMINANCE32UI_EXT = $8D74;
  GL_LUMINANCE_ALPHA32UI_EXT = $8D75;
  GL_RGBA16UI_EXT = $8D76;
  GL_RGB16UI_EXT = $8D77;
  GL_ALPHA16UI_EXT = $8D78;
  GL_INTENSITY16UI_EXT = $8D79;
  GL_LUMINANCE16UI_EXT = $8D7A;
  GL_LUMINANCE_ALPHA16UI_EXT = $8D7B;
  GL_RGBA8UI_EXT = $8D7C;
  GL_RGB8UI_EXT = $8D7D;
  GL_ALPHA8UI_EXT = $8D7E;
  GL_INTENSITY8UI_EXT = $8D7F;
  GL_LUMINANCE8UI_EXT = $8D80;
  GL_LUMINANCE_ALPHA8UI_EXT = $8D81;
  GL_RGBA32I_EXT = $8D82;
  GL_RGB32I_EXT = $8D83;
  GL_ALPHA32I_EXT = $8D84;
  GL_INTENSITY32I_EXT = $8D85;
  GL_LUMINANCE32I_EXT = $8D86;
  GL_LUMINANCE_ALPHA32I_EXT = $8D87;
  GL_RGBA16I_EXT = $8D88;
  GL_RGB16I_EXT = $8D89;
  GL_ALPHA16I_EXT = $8D8A;
  GL_INTENSITY16I_EXT = $8D8B;
  GL_LUMINANCE16I_EXT = $8D8C;
  GL_LUMINANCE_ALPHA16I_EXT = $8D8D;
  GL_RGBA8I_EXT = $8D8E;
  GL_RGB8I_EXT = $8D8F;
  GL_ALPHA8I_EXT = $8D90;
  GL_INTENSITY8I_EXT = $8D91;
  GL_LUMINANCE8I_EXT = $8D92;
  GL_LUMINANCE_ALPHA8I_EXT = $8D93;
  GL_RED_INTEGER_EXT = $8D94;
  GL_GREEN_INTEGER_EXT = $8D95;
  GL_BLUE_INTEGER_EXT = $8D96;
  GL_ALPHA_INTEGER_EXT = $8D97;
  GL_RGB_INTEGER_EXT = $8D98;
  GL_RGBA_INTEGER_EXT = $8D99;
  GL_BGR_INTEGER_EXT = $8D9A;
  GL_BGRA_INTEGER_EXT = $8D9B;
  GL_LUMINANCE_INTEGER_EXT = $8D9C;
  GL_LUMINANCE_ALPHA_INTEGER_EXT = $8D9D;

  // GL_EXT_texture_shared_exponent
  GL_RGB9_E5_EXT = $8C3D;
  GL_UNSIGNED_INT_5_9_9_9_REV_EXT = $8C3E;
  GL_TEXTURE_SHARED_SIZE_EXT = $8C3F;

  // GL_EXT_transform_feedback
  GL_TRANSFORM_FEEDBACK_BUFFER_EXT = $8C8E;
  GL_TRANSFORM_FEEDBACK_BUFFER_START_EXT = $8C84;
  GL_TRANSFORM_FEEDBACK_BUFFER_SIZE_EXT = $8C85;
  GL_TRANSFORM_FEEDBACK_BUFFER_BINDING_EXT = $8C8F;
  GL_INTERLEAVED_ATTRIBS_EXT = $8C8C;
  GL_SEPARATE_ATTRIBS_EXT = $8C8D;
  GL_PRIMITIVES_GENERATED_EXT = $8C87;
  GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN_EXT = $8C88;
  GL_RASTERIZER_DISCARD_EXT = $8C89;
  GL_MAX_TRANSFORM_FEEDBACK_INTERLEAVED_COMPONENTS_EXT = $8C8A;
  GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS_EXT = $8C8B;
  GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_COMPONENTS_EXT = $8C80;
  GL_TRANSFORM_FEEDBACK_VARYINGS_EXT = $8C83;
  GL_TRANSFORM_FEEDBACK_BUFFER_MODE_EXT = $8C7F;
  GL_TRANSFORM_FEEDBACK_VARYING_MAX_LENGTH_EXT = $8C76;

  // GL_EXT_direct_state_access
  GL_PROGRAM_MATRIX_EXT = $8E2D;
  GL_TRANSPOSE_PROGRAM_MATRIX_EXT = $8E2E;
  GL_PROGRAM_MATRIX_STACK_DEPTH_EXT = $8E2F;

  // GL_EXT_texture_swizzle
  GL_TEXTURE_SWIZZLE_R_EXT = $8E42;
  GL_TEXTURE_SWIZZLE_G_EXT = $8E43;
  GL_TEXTURE_SWIZZLE_B_EXT = $8E44;
  GL_TEXTURE_SWIZZLE_A_EXT = $8E45;
  GL_TEXTURE_SWIZZLE_RGBA_EXT = $8E46;

  // GL_EXT_provoking_vertex
  GL_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION_EXT = $8E4C;
  GL_FIRST_VERTEX_CONVENTION_EXT = $8E4D;
  GL_LAST_VERTEX_CONVENTION_EXT = $8E4E;
  GL_PROVOKING_VERTEX_EXT = $8E4F;

  // GL_EXT_texture_snorm
  GL_ALPHA_SNORM = $9010;
  GL_LUMINANCE_SNORM = $9011;
  GL_LUMINANCE_ALPHA_SNORM = $9012;
  GL_INTENSITY_SNORM = $9013;
  GL_ALPHA8_SNORM = $9014;
  GL_LUMINANCE8_SNORM = $9015;
  GL_LUMINANCE8_ALPHA8_SNORM = $9016;
  GL_INTENSITY8_SNORM = $9017;
  GL_ALPHA16_SNORM = $9018;
  GL_LUMINANCE16_SNORM = $9019;
  GL_LUMINANCE16_ALPHA16_SNORM = $901A;
  GL_INTENSITY16_SNORM = $901B;
  { reuse GL_RED_SNORM }
  { reuse GL_RG_SNORM }
  { reuse GL_RGB_SNORM }
  { reuse GL_RGBA_SNORM }
  { reuse GL_R8_SNORM }
  { reuse GL_RG8_SNORM }
  { reuse GL_RGB8_SNORM }
  { reuse GL_RGBA8_SNORM }
  { reuse GL_R16_SNORM }
  { reuse GL_RG16_SNORM }
  { reuse GL_RGB16_SNORM }
  { reuse GL_RGBA16_SNORM }
  { reuse GL_SIGNED_NORMALIZED }

  // GL_EXT_separate_shader_objects
  GL_ACTIVE_PROGRAM_EXT = $8B8D;

  // GL_EXT_shader_image_load_store
  GL_MAX_IMAGE_UNITS_EXT = $8F38;
  GL_MAX_COMBINED_IMAGE_UNITS_AND_FRAGMENT_OUTPUTS_EXT = $8F39;
  GL_IMAGE_BINDING_NAME_EXT = $8F3A;
  GL_IMAGE_BINDING_LEVEL_EXT = $8F3B;
  GL_IMAGE_BINDING_LAYERED_EXT = $8F3C;
  GL_IMAGE_BINDING_LAYER_EXT = $8F3D;
  GL_IMAGE_BINDING_ACCESS_EXT = $8F3E;
  GL_IMAGE_1D_EXT = $904C;
  GL_IMAGE_2D_EXT = $904D;
  GL_IMAGE_3D_EXT = $904E;
  GL_IMAGE_2D_RECT_EXT = $904F;
  GL_IMAGE_CUBE_EXT = $9050;
  GL_IMAGE_BUFFER_EXT = $9051;
  GL_IMAGE_1D_ARRAY_EXT = $9052;
  GL_IMAGE_2D_ARRAY_EXT = $9053;
  GL_IMAGE_CUBE_MAP_ARRAY_EXT = $9054;
  GL_IMAGE_2D_MULTISAMPLE_EXT = $9055;
  GL_IMAGE_2D_MULTISAMPLE_ARRAY_EXT = $9056;
  GL_INT_IMAGE_1D_EXT = $9057;
  GL_INT_IMAGE_2D_EXT = $9058;
  GL_INT_IMAGE_3D_EXT = $9059;
  GL_INT_IMAGE_2D_RECT_EXT = $905A;
  GL_INT_IMAGE_CUBE_EXT = $905B;
  GL_INT_IMAGE_BUFFER_EXT = $905C;
  GL_INT_IMAGE_1D_ARRAY_EXT = $905D;
  GL_INT_IMAGE_2D_ARRAY_EXT = $905E;
  GL_INT_IMAGE_CUBE_MAP_ARRAY_EXT = $905F;
  GL_INT_IMAGE_2D_MULTISAMPLE_EXT = $9060;
  GL_INT_IMAGE_2D_MULTISAMPLE_ARRAY_EXT = $9061;
  GL_UNSIGNED_INT_IMAGE_1D_EXT = $9062;
  GL_UNSIGNED_INT_IMAGE_2D_EXT = $9063;
  GL_UNSIGNED_INT_IMAGE_3D_EXT = $9064;
  GL_UNSIGNED_INT_IMAGE_2D_RECT_EXT = $9065;
  GL_UNSIGNED_INT_IMAGE_CUBE_EXT = $9066;
  GL_UNSIGNED_INT_IMAGE_BUFFER_EXT = $9067;
  GL_UNSIGNED_INT_IMAGE_1D_ARRAY_EXT = $9068;
  GL_UNSIGNED_INT_IMAGE_2D_ARRAY_EXT = $9069;
  GL_UNSIGNED_INT_IMAGE_CUBE_MAP_ARRAY_EXT = $906A;
  GL_UNSIGNED_INT_IMAGE_2D_MULTISAMPLE_EXT = $906B;
  GL_UNSIGNED_INT_IMAGE_2D_MULTISAMPLE_ARRAY_EXT = $906C;
  GL_MAX_IMAGE_SAMPLES_EXT = $906D;
  GL_IMAGE_BINDING_FORMAT_EXT = $906E;
  GL_VERTEX_ATTRIB_ARRAY_BARRIER_BIT_EXT = $00000001;
  GL_ELEMENT_ARRAY_BARRIER_BIT_EXT = $00000002;
  GL_UNIFORM_BARRIER_BIT_EXT = $00000004;
  GL_TEXTURE_FETCH_BARRIER_BIT_EXT = $00000008;
  GL_SHADER_IMAGE_ACCESS_BARRIER_BIT_EXT = $00000020;
  GL_COMMAND_BARRIER_BIT_EXT = $00000040;
  GL_PIXEL_BUFFER_BARRIER_BIT_EXT = $00000080;
  GL_TEXTURE_UPDATE_BARRIER_BIT_EXT = $00000100;
  GL_BUFFER_UPDATE_BARRIER_BIT_EXT = $00000200;
  GL_FRAMEBUFFER_BARRIER_BIT_EXT = $00000400;
  GL_TRANSFORM_FEEDBACK_BARRIER_BIT_EXT = $00000800;
  GL_ATOMIC_COUNTER_BARRIER_BIT_EXT = $00001000;
  GL_ALL_BARRIER_BITS_EXT = $FFFFFFFF;

  // GL_EXT_vertex_attrib_64bit
  { reuse GL_DOUBLE }
  GL_DOUBLE_VEC2_EXT = $8FFC;
  GL_DOUBLE_VEC3_EXT = $8FFD;
  GL_DOUBLE_VEC4_EXT = $8FFE;
  GL_DOUBLE_MAT2_EXT = $8F46;
  GL_DOUBLE_MAT3_EXT = $8F47;
  GL_DOUBLE_MAT4_EXT = $8F48;
  GL_DOUBLE_MAT2x3_EXT = $8F49;
  GL_DOUBLE_MAT2x4_EXT = $8F4A;
  GL_DOUBLE_MAT3x2_EXT = $8F4B;
  GL_DOUBLE_MAT3x4_EXT = $8F4C;
  GL_DOUBLE_MAT4x2_EXT = $8F4D;
  GL_DOUBLE_MAT4x3_EXT = $8F4E;

  // GL_EXT_texture_sRGB_decode
  GL_TEXTURE_SRGB_DECODE_EXT = $8A48;
  GL_DECODE_EXT = $8A49;
  GL_SKIP_DECODE_EXT = $8A4A;

  // GL_NV_texture_multisample
  GL_TEXTURE_COVERAGE_SAMPLES_NV    = $9045;
  GL_TEXTURE_COLOR_SAMPLES_NV       = $9046;

  // GL_AMD_blend_minmax_factor
  GL_FACTOR_MIN_AMD                 = $901C;
  GL_FACTOR_MAX_AMD                 = $901D;

  // GL_AMD_sample_positions
  GL_SUBSAMPLE_DISTANCE_AMD         = $883F;

  // GL_EXT_x11_sync_object
  GL_SYNC_X11_FENCE_EXT             = $90E1;

  // GL_EXT_framebuffer_multisample_blit_scaled
  GL_SCALED_RESOLVE_FASTEST_EXT     = $90BA;
  GL_SCALED_RESOLVE_NICEST_EXT      = $90BB;

  // (4.3) GL_NV_path_rendering
 	GL_PATH_FORMAT_SVG_NV            = $9070;
 	GL_PATH_FORMAT_PS_NV             = $9071;
 	GL_STANDARD_FONT_NAME_NV         = $9072;
 	GL_SYSTEM_FONT_NAME_NV           = $9073;
 	GL_FILE_NAME_NV                  = $9074;
 	GL_PATH_STROKE_WIDTH_NV          = $9075;
 	GL_PATH_END_CAPS_NV              = $9076;
 	GL_PATH_INITIAL_END_CAP_NV       = $9077;
 	GL_PATH_TERMINAL_END_CAP_NV      = $9078;
 	GL_PATH_JOIN_STYLE_NV            = $9079;
 	GL_PATH_MITER_LIMIT_NV           = $907A;
 	GL_PATH_DASH_CAPS_NV             = $907B;
 	GL_PATH_INITIAL_DASH_CAP_NV      = $907C;
 	GL_PATH_TERMINAL_DASH_CAP_NV     = $907D;
 	GL_PATH_DASH_OFFSET_NV           = $907E;
 	GL_PATH_CLIENT_LENGTH_NV         = $907F;
 	GL_PATH_FILL_MODE_NV             = $9080;
 	GL_PATH_FILL_MASK_NV             = $9081;
 	GL_PATH_FILL_COVER_MODE_NV       = $9082;
 	GL_PATH_STROKE_COVER_MODE_NV     = $9083;
 	GL_PATH_STROKE_MASK_NV           = $9084;
 	GL_PATH_SAMPLE_QUALITY_NV        = $9085;
 	GL_PATH_STROKE_BOUND_NV          = $9086;
 	GL_PATH_STROKE_OVERSAMPLE_COUNT_NV= $9087;
 	GL_COUNT_UP_NV                   = $9088;
 	GL_COUNT_DOWN_NV                 = $9089;
 	GL_PATH_OBJECT_BOUNDING_BOX_NV   = $908A;
 	GL_CONVEX_HULL_NV                = $908B;
 	GL_MULTI_HULLS_NV                = $908C;
 	GL_BOUNDING_BOX_NV               = $908D;
 	GL_TRANSLATE_X_NV                = $908E;
 	GL_TRANSLATE_Y_NV                = $908F;
 	GL_TRANSLATE_2D_NV               = $9090;
 	GL_TRANSLATE_3D_NV               = $9091;
 	GL_AFFINE_2D_NV                  = $9092;
 	GL_PROJECTIVE_2D_NV              = $9093;
 	GL_AFFINE_3D_NV                  = $9094;
 	GL_PROJECTIVE_3D_NV              = $9095;
 	GL_TRANSPOSE_AFFINE_2D_NV        = $9096;
 	GL_TRANSPOSE_PROJECTIVE_2D_NV    = $9097;
	GL_TRANSPOSE_AFFINE_3D_NV        = $9098;
 	GL_TRANSPOSE_PROJECTIVE_3D_NV    = $9099;
 	GL_UTF8_NV                       = $909A;
 	GL_UTF16_NV                      = $909B;
 	GL_BOUNDING_BOX_OF_BOUNDING_BOXES_NV= $909C;
 	GL_PATH_COMMAND_COUNT_NV         = $909D;
 	GL_PATH_COORD_COUNT_NV           = $909E;
  GL_PATH_DASH_ARRAY_COUNT_NV      = $909F;
  GL_PATH_COMPUTED_LENGTH_NV       = $90A0;
  GL_PATH_FILL_BOUNDING_BOX_NV     = $90A1;
  GL_PATH_STROKE_BOUNDING_BOX_NV   = $90A2;
  GL_SQUARE_NV                     = $90A3;
  GL_ROUND_NV                      = $90A4;
  GL_TRIANGULAR_NV                 = $90A5;
  GL_BEVEL_NV                      = $90A6;
  GL_MITER_REVERT_NV               = $90A7;
  GL_MITER_TRUNCATE_NV             = $90A8;
  GL_SKIP_MISSING_GLYPH_NV         = $90A9;
  GL_USE_MISSING_GLYPH_NV          = $90AA;
  GL_PATH_ERROR_POSITION_NV        = $90AB;
  GL_PATH_FOG_GEN_MODE_NV          = $90AC;
  GL_ACCUM_ADJACENT_PAIRS_NV       = $90AD;
  GL_ADJACENT_PAIRS_NV             = $90AE;
  GL_FIRST_TO_REST_NV              = $90AF;
  GL_PATH_GEN_MODE_NV              = $90B0;
  GL_PATH_GEN_COEFF_NV             = $90B1;
  GL_PATH_GEN_COLOR_FORMAT_NV      = $90B2;
  GL_PATH_GEN_COMPONENTS_NV        = $90B3;
  GL_PATH_STENCIL_FUNC_NV          = $90B7;
  GL_PATH_STENCIL_REF_NV           = $90B8;
  GL_PATH_STENCIL_VALUE_MASK_NV    = $90B9;
  GL_PATH_STENCIL_DEPTH_OFFSET_FACTOR_NV= $90BD;
  GL_PATH_STENCIL_DEPTH_OFFSET_UNITS_NV= $90BE;
  GL_PATH_COVER_DEPTH_FUNC_NV      = $90BF;
  GL_PATH_DASH_OFFSET_RESET_NV     = $90B4;
  GL_MOVE_TO_RESETS_NV             = $90B5;
  GL_MOVE_TO_CONTINUES_NV          = $90B6;
  GL_CLOSE_PATH_NV                 = $00;
  GL_MOVE_TO_NV                    = $02;
  GL_RELATIVE_MOVE_TO_NV           = $03;
  GL_LINE_TO_NV                    = $04;
  GL_RELATIVE_LINE_TO_NV           = $05;
  GL_HORIZONTAL_LINE_TO_NV         = $06;
  GL_RELATIVE_HORIZONTAL_LINE_TO_NV= $07;
  GL_VERTICAL_LINE_TO_NV           = $08;
  GL_RELATIVE_VERTICAL_LINE_TO_NV  = $09;
  GL_QUADRATIC_CURVE_TO_NV         = $0A;
  GL_RELATIVE_QUADRATIC_CURVE_TO_NV= $0B;
  GL_CUBIC_CURVE_TO_NV             = $0C;
  GL_RELATIVE_CUBIC_CURVE_TO_NV    = $0D;
  GL_SMOOTH_QUADRATIC_CURVE_TO_NV  = $0E;
  GL_RELATIVE_SMOOTH_QUADRATIC_CURVE_TO_NV= $0F;
  GL_SMOOTH_CUBIC_CURVE_TO_NV      = $10;
  GL_RELATIVE_SMOOTH_CUBIC_CURVE_TO_NV= $11;
  GL_SMALL_CCW_ARC_TO_NV           = $12;
  GL_RELATIVE_SMALL_CCW_ARC_TO_NV  = $13;
  GL_SMALL_CW_ARC_TO_NV            = $14;
  GL_RELATIVE_SMALL_CW_ARC_TO_NV   = $15;
  GL_LARGE_CCW_ARC_TO_NV           = $16;
  GL_RELATIVE_LARGE_CCW_ARC_TO_NV  = $17;
  GL_LARGE_CW_ARC_TO_NV            = $18;
  GL_RELATIVE_LARGE_CW_ARC_TO_NV   = $19;
  GL_RESTART_PATH_NV               = $F0;
  GL_DUP_FIRST_CUBIC_CURVE_TO_NV   = $F2;
  GL_DUP_LAST_CUBIC_CURVE_TO_NV    = $F4;
  GL_RECT_NV                       = $F6;
  GL_CIRCULAR_CCW_ARC_TO_NV        = $F8;
  GL_CIRCULAR_CW_ARC_TO_NV         = $FA;
  GL_CIRCULAR_TANGENT_ARC_TO_NV    = $FC;
  GL_ARC_TO_NV                     = $FE;
  GL_RELATIVE_ARC_TO_NV            = $FF;
  GL_BOLD_BIT_NV                   = $01;
  GL_ITALIC_BIT_NV                 = $02;
  GL_GLYPH_WIDTH_BIT_NV            = $01;
  GL_GLYPH_HEIGHT_BIT_NV           = $02;
  GL_GLYPH_HORIZONTAL_BEARING_X_BIT_NV= $04;
  GL_GLYPH_HORIZONTAL_BEARING_Y_BIT_NV= $08;
  GL_GLYPH_HORIZONTAL_BEARING_ADVANCE_BIT_NV= $10;
  GL_GLYPH_VERTICAL_BEARING_X_BIT_NV= $20;
  GL_GLYPH_VERTICAL_BEARING_Y_BIT_NV= $40;
  GL_GLYPH_VERTICAL_BEARING_ADVANCE_BIT_NV= $80;
  GL_GLYPH_HAS_KERNING_NV          = $100;
  GL_FONT_X_MIN_BOUNDS_NV          = $00010000;
  GL_FONT_Y_MIN_BOUNDS_NV          = $00020000;
  GL_FONT_X_MAX_BOUNDS_NV          = $00040000;
  GL_FONT_Y_MAX_BOUNDS_NV          = $00080000;
  GL_FONT_UNITS_PER_EM_NV          = $00100000;
  GL_FONT_ASCENDER_NV              = $00200000;
  GL_FONT_DESCENDER_NV             = $00400000;
  GL_FONT_HEIGHT_NV                = $00800000;
  GL_FONT_MAX_ADVANCE_WIDTH_NV     = $01000000;
  GL_FONT_MAX_ADVANCE_HEIGHT_NV    = $02000000;
  GL_FONT_UNDERLINE_POSITION_NV    = $04000000;
  GL_FONT_UNDERLINE_THICKNESS_NV   = $08000000;
  GL_FONT_HAS_KERNING_NV           = $10000000;

  // (4.3) GL_AMD_pinned_memory
  GL_EXTERNAL_VIRTUAL_MEMORY_BUFFER_AMD= $9160;

  // (4.3) GL_AMD_stencil_operation_extended
  GL_SET_AMD                       = $874A;
  GL_REPLACE_VALUE_AMD             = $874B;
  GL_STENCIL_OP_VALUE_AMD          = $874C;
  GL_STENCIL_BACK_OP_VALUE_AMD     = $874D;

  // (4.3) GL_AMD_vertex_shader_viewport_index

  // (4.3) GL_AMD_vertex_shader_layer

  // (4.3) GL_NV_bindless_texture

  // (4.3) GL_NV_shader_atomic_float

  // (4.3) GL_AMD_query_buffer_object
  GL_QUERY_BUFFER_AMD              = $9192;
  GL_QUERY_BUFFER_BINDING_AMD      = $9193;
  GL_QUERY_RESULT_NO_WAIT_AMD      = $9194;

  // GL_FfdMaskSGIX
  GL_TEXTURE_DEFORMATION_BIT_SGIX = $00000001;
  GL_GEOMETRY_DEFORMATION_BIT_SGIX = $00000002;

  // GL_HP_convolution_border_modes
  GL_IGNORE_BORDER_HP = $8150;
  GL_CONSTANT_BORDER_HP = $8151;
  GL_REPLICATE_BORDER_HP = $8153;
  GL_CONVOLUTION_BORDER_COLOR_HP = $8154;

  // GL_HP_image_transform
  GL_IMAGE_SCALE_X_HP = $8155;
  GL_IMAGE_SCALE_Y_HP = $8156;
  GL_IMAGE_TRANSLATE_X_HP = $8157;
  GL_IMAGE_TRANSLATE_Y_HP = $8158;
  GL_IMAGE_ROTATE_ANGLE_HP = $8159;
  GL_IMAGE_ROTATE_ORIGIN_X_HP = $815A;
  GL_IMAGE_ROTATE_ORIGIN_Y_HP = $815B;
  GL_IMAGE_MAG_FILTER_HP = $815C;
  GL_IMAGE_MIN_FILTER_HP = $815D;
  GL_IMAGE_CUBIC_WEIGHT_HP = $815E;
  GL_CUBIC_HP = $815F;
  GL_AVERAGE_HP = $8160;
  GL_IMAGE_TRANSFORM_2D_HP = $8161;
  GL_POST_IMAGE_TRANSFORM_COLOR_TABLE_HP = $8162;
  GL_PROXY_POST_IMAGE_TRANSFORM_COLOR_TABLE_HP = $8163;

  // GL_HP_occlusion_test
  GL_OCCLUSION_TEST_HP = $8165;
  GL_OCCLUSION_TEST_RESULT_HP = $8166;

  // GL_HP_texture_lighting
  GL_TEXTURE_LIGHTING_MODE_HP = $8167;
  GL_TEXTURE_POST_SPECULAR_HP = $8168;
  GL_TEXTURE_PRE_SPECULAR_HP = $8169;

  // GL_IBM_cull_vertex
  GL_CULL_VERTEX_IBM = 103050;

  // GL_IBM_rasterpos_clip
  GL_RASTER_POSITION_UNCLIPPED_IBM = $19262;

  // GL_IBM_texture_mirrored_repeat
  GL_MIRRORED_REPEAT_IBM = $8370;

  // GL_IBM_vertex_array_lists
  GL_VERTEX_ARRAY_LIST_IBM = 103070;
  GL_NORMAL_ARRAY_LIST_IBM = 103071;
  GL_COLOR_ARRAY_LIST_IBM = 103072;
  GL_INDEX_ARRAY_LIST_IBM = 103073;
  GL_TEXTURE_COORD_ARRAY_LIST_IBM = 103074;
  GL_EDGE_FLAG_ARRAY_LIST_IBM = 103075;
  GL_FOG_COORDINATE_ARRAY_LIST_IBM = 103076;
  GL_SECONDARY_COLOR_ARRAY_LIST_IBM = 103077;
  GL_VERTEX_ARRAY_LIST_STRIDE_IBM = 103080;
  GL_NORMAL_ARRAY_LIST_STRIDE_IBM = 103081;
  GL_COLOR_ARRAY_LIST_STRIDE_IBM = 103082;
  GL_INDEX_ARRAY_LIST_STRIDE_IBM = 103083;
  GL_TEXTURE_COORD_ARRAY_LIST_STRIDE_IBM = 103084;
  GL_EDGE_FLAG_ARRAY_LIST_STRIDE_IBM = 103085;
  GL_FOG_COORDINATE_ARRAY_LIST_STRIDE_IBM = 103086;
  GL_SECONDARY_COLOR_ARRAY_LIST_STRIDE_IBM = 103087;

  // GL_INGR_color_clamp
  GL_RED_MIN_CLAMP_INGR = $8560;
  GL_GREEN_MIN_CLAMP_INGR = $8561;
  GL_BLUE_MIN_CLAMP_INGR = $8562;
  GL_ALPHA_MIN_CLAMP_INGR = $8563;
  GL_RED_MAX_CLAMP_INGR = $8564;
  GL_GREEN_MAX_CLAMP_INGR = $8565;
  GL_BLUE_MAX_CLAMP_INGR = $8566;
  GL_ALPHA_MAX_CLAMP_INGR = $8567;

  // GL_INGR_interlace_read
  GL_INTERLACE_READ_INGR = $8568;

  // GL_INTEL_parallel_arrays
  GL_PARALLEL_ARRAYS_INTEL = $83F4;
  GL_VERTEX_ARRAY_PARALLEL_POINTERS_INTEL = $83F5;
  GL_NORMAL_ARRAY_PARALLEL_POINTERS_INTEL = $83F6;
  GL_COLOR_ARRAY_PARALLEL_POINTERS_INTEL = $83F7;
  GL_TEXTURE_COORD_ARRAY_PARALLEL_POINTERS_INTEL = $83F8;

  // GL_NV_copy_depth_to_color
  GL_DEPTH_STENCIL_TO_RGBA_NV = $886E;
  GL_DEPTH_STENCIL_TO_BGRA_NV = $886F;

  // GL_NV_depth_clamp
  GL_DEPTH_CLAMP_NV = $864F;

  // GL_NV_evaluators
  GL_EVAL_2D_NV = $86C0;
  GL_EVAL_TRIANGULAR_2D_NV = $86C1;
  GL_MAP_TESSELLATION_NV = $86C2;
  GL_MAP_ATTRIB_U_ORDER_NV = $86C3;
  GL_MAP_ATTRIB_V_ORDER_NV = $86C4;
  GL_EVAL_FRACTIONAL_TESSELLATION_NV = $86C5;
  GL_EVAL_VERTEX_ATTRIB0_NV = $86C6;
  GL_EVAL_VERTEX_ATTRIB1_NV = $86C7;
  GL_EVAL_VERTEX_ATTRIB2_NV = $86C8;
  GL_EVAL_VERTEX_ATTRIB3_NV = $86C9;
  GL_EVAL_VERTEX_ATTRIB4_NV = $86CA;
  GL_EVAL_VERTEX_ATTRIB5_NV = $86CB;
  GL_EVAL_VERTEX_ATTRIB6_NV = $86CC;
  GL_EVAL_VERTEX_ATTRIB7_NV = $86CD;
  GL_EVAL_VERTEX_ATTRIB8_NV = $86CE;
  GL_EVAL_VERTEX_ATTRIB9_NV = $86CF;
  GL_EVAL_VERTEX_ATTRIB10_NV = $86D0;
  GL_EVAL_VERTEX_ATTRIB11_NV = $86D1;
  GL_EVAL_VERTEX_ATTRIB12_NV = $86D2;
  GL_EVAL_VERTEX_ATTRIB13_NV = $86D3;
  GL_EVAL_VERTEX_ATTRIB14_NV = $86D4;
  GL_EVAL_VERTEX_ATTRIB15_NV = $86D5;
  GL_MAX_MAP_TESSELLATION_NV = $86D6;
  GL_MAX_RATIONAL_EVAL_ORDER_NV = $86D7;

  // GL_NV_fence
  GL_ALL_COMPLETED_NV = $84F2;
  GL_FENCE_STATUS_NV = $84F3;
  GL_FENCE_CONDITION_NV = $84F4;

  // GL_NV_float_buffer
  GL_FLOAT_R_NV = $8880;
  GL_FLOAT_RG_NV = $8881;
  GL_FLOAT_RGB_NV = $8882;
  GL_FLOAT_RGBA_NV = $8883;
  GL_FLOAT_R16_NV = $8884;
  GL_FLOAT_R32_NV = $8885;
  GL_FLOAT_RG16_NV = $8886;
  GL_FLOAT_RG32_NV = $8887;
  GL_FLOAT_RGB16_NV = $8888;
  GL_FLOAT_RGB32_NV = $8889;
  GL_FLOAT_RGBA16_NV = $888A;
  GL_FLOAT_RGBA32_NV = $888B;
  GL_TEXTURE_FLOAT_COMPONENTS_NV = $888C;
  GL_FLOAT_CLEAR_COLOR_VALUE_NV = $888D;
  GL_FLOAT_RGBA_MODE_NV = $888E;

  // GL_NV_fog_distance
  GL_FOG_DISTANCE_MODE_NV = $855A;
  GL_EYE_RADIAL_NV = $855B;
  GL_EYE_PLANE_ABSOLUTE_NV = $855C;

  // GL_NV_fragment_program
  GL_MAX_FRAGMENT_PROGRAM_LOCAL_PARAMETERS_NV = $8868;
  GL_FRAGMENT_PROGRAM_NV = $8870;
  GL_MAX_TEXTURE_COORDS_NV = $8871;
  GL_MAX_TEXTURE_IMAGE_UNITS_NV = $8872;
  GL_FRAGMENT_PROGRAM_BINDING_NV = $8873;
  GL_PROGRAM_ERROR_STRING_NV = $8874;

  // GL_NV_half_float
  GL_HALF_FLOAT_NV = $140B;

  // GL_NV_light_max_exponent
  GL_MAX_SHININESS_NV = $8504;
  GL_MAX_SPOT_EXPONENT_NV = $8505;

  // GL_NV_multisample_filter_hint
  GL_MULTISAMPLE_FILTER_HINT_NV = $8534;

  // GL_NV_occlusion_query
  GL_PIXEL_COUNTER_BITS_NV = $8864;
  GL_CURRENT_OCCLUSION_QUERY_ID_NV = $8865;
  GL_PIXEL_COUNT_NV = $8866;
  GL_PIXEL_COUNT_AVAILABLE_NV = $8867;

  // GL_NV_packed_depth_stencil
  GL_DEPTH_STENCIL_NV = $84F9;
  GL_UNSIGNED_INT_24_8_NV = $84FA;

  // GL_NV_pixel_data_range
  GL_WRITE_PIXEL_DATA_RANGE_NV = $8878;
  GL_READ_PIXEL_DATA_RANGE_NV = $8879;
  GL_WRITE_PIXEL_DATA_RANGE_LENGTH_NV = $887A;
  GL_READ_PIXEL_DATA_RANGE_LENGTH_NV = $887B;
  GL_WRITE_PIXEL_DATA_RANGE_POINTER_NV = $887C;
  GL_READ_PIXEL_DATA_RANGE_POINTER_NV = $887D;

  // GL_NV_point_sprite
  GL_POINT_SPRITE_NV = $8861;
  GL_COORD_REPLACE_NV = $8862;
  GL_POINT_SPRITE_R_MODE_NV = $8863;

  // GL_NV_primitive_restart
  GL_PRIMITIVE_RESTART_NV = $8558;
  GL_PRIMITIVE_RESTART_INDEX_NV = $8559;

  // GL_NV_register_combiners
  GL_REGISTER_COMBINERS_NV = $8522;
  GL_VARIABLE_A_NV = $8523;
  GL_VARIABLE_B_NV = $8524;
  GL_VARIABLE_C_NV = $8525;
  GL_VARIABLE_D_NV = $8526;
  GL_VARIABLE_E_NV = $8527;
  GL_VARIABLE_F_NV = $8528;
  GL_VARIABLE_G_NV = $8529;
  GL_CONSTANT_COLOR0_NV = $852A;
  GL_CONSTANT_COLOR1_NV = $852B;
  GL_PRIMARY_COLOR_NV = $852C;
  GL_SECONDARY_COLOR_NV = $852D;
  GL_SPARE0_NV = $852E;
  GL_SPARE1_NV = $852F;
  GL_DISCARD_NV = $8530;
  GL_E_TIMES_F_NV = $8531;
  GL_SPARE0_PLUS_SECONDARY_COLOR_NV = $8532;
  GL_UNSIGNED_IDENTITY_NV = $8536;
  GL_UNSIGNED_INVERT_NV = $8537;
  GL_EXPAND_NORMAL_NV = $8538;
  GL_EXPAND_NEGATE_NV = $8539;
  GL_HALF_BIAS_NORMAL_NV = $853A;
  GL_HALF_BIAS_NEGATE_NV = $853B;
  GL_SIGNED_IDENTITY_NV = $853C;
  GL_SIGNED_NEGATE_NV = $853D;
  GL_SCALE_BY_TWO_NV = $853E;
  GL_SCALE_BY_FOUR_NV = $853F;
  GL_SCALE_BY_ONE_HALF_NV = $8540;
  GL_BIAS_BY_NEGATIVE_ONE_HALF_NV = $8541;
  GL_COMBINER_INPUT_NV = $8542;
  GL_COMBINER_MAPPING_NV = $8543;
  GL_COMBINER_COMPONENT_USAGE_NV = $8544;
  GL_COMBINER_AB_DOT_PRODUCT_NV = $8545;
  GL_COMBINER_CD_DOT_PRODUCT_NV = $8546;
  GL_COMBINER_MUX_SUM_NV = $8547;
  GL_COMBINER_SCALE_NV = $8548;
  GL_COMBINER_BIAS_NV = $8549;
  GL_COMBINER_AB_OUTPUT_NV = $854A;
  GL_COMBINER_CD_OUTPUT_NV = $854B;
  GL_COMBINER_SUM_OUTPUT_NV = $854C;
  GL_MAX_GENERAL_COMBINERS_NV = $854D;
  GL_NUM_GENERAL_COMBINERS_NV = $854E;
  GL_COLOR_SUM_CLAMP_NV = $854F;
  GL_COMBINER0_NV = $8550;
  GL_COMBINER1_NV = $8551;
  GL_COMBINER2_NV = $8552;
  GL_COMBINER3_NV = $8553;
  GL_COMBINER4_NV = $8554;
  GL_COMBINER5_NV = $8555;
  GL_COMBINER6_NV = $8556;
  GL_COMBINER7_NV = $8557;

  // GL_NV_register_combiners2
  GL_PER_STAGE_CONSTANTS_NV = $8535;

  // GL_NV_texgen_emboss
  GL_EMBOSS_LIGHT_NV = $855D;
  GL_EMBOSS_CONSTANT_NV = $855E;
  GL_EMBOSS_MAP_NV = $855F;

  // GL_NV_texgen_reflection
  GL_NORMAL_MAP_NV = $8511;
  GL_REFLECTION_MAP_NV = $8512;

  // GL_NV_texture_env_combine4
  GL_COMBINE4_NV = $8503;
  GL_SOURCE3_RGB_NV = $8583;
  GL_SOURCE3_ALPHA_NV = $858B;
  GL_OPERAND3_RGB_NV = $8593;
  GL_OPERAND3_ALPHA_NV = $859B;

  // GL_NV_texture_expand_normal
  GL_TEXTURE_UNSIGNED_REMAP_MODE_NV = $888F;

  // GL_NV_texture_rectangle
  GL_TEXTURE_RECTANGLE_NV = $84F5;
  GL_TEXTURE_BINDING_RECTANGLE_NV = $84F6;
  GL_PROXY_TEXTURE_RECTANGLE_NV = $84F7;
  GL_MAX_RECTANGLE_TEXTURE_SIZE_NV = $84F8;

  // GL_NV_texture_shader
  GL_OFFSET_TEXTURE_RECTANGLE_NV = $864C;
  GL_OFFSET_TEXTURE_RECTANGLE_SCALE_NV = $864D;
  GL_DOT_PRODUCT_TEXTURE_RECTANGLE_NV = $864E;
  GL_RGBA_UNSIGNED_DOT_PRODUCT_MAPPING_NV = $86D9;
  GL_UNSIGNED_INT_S8_S8_8_8_NV = $86DA;
  GL_UNSIGNED_INT_8_8_S8_S8_REV_NV = $86DB;
  GL_DSDT_MAG_INTENSITY_NV = $86DC;
  GL_SHADER_CONSISTENT_NV = $86DD;
  GL_TEXTURE_SHADER_NV = $86DE;
  GL_SHADER_OPERATION_NV = $86DF;
  GL_CULL_MODES_NV = $86E0;
  GL_OFFSET_TEXTURE_MATRIX_NV = $86E1;
  GL_OFFSET_TEXTURE_SCALE_NV = $86E2;
  GL_OFFSET_TEXTURE_BIAS_NV = $86E3;
  GL_OFFSET_TEXTURE_2D_MATRIX_NV = GL_OFFSET_TEXTURE_MATRIX_NV;
  GL_OFFSET_TEXTURE_2D_SCALE_NV = GL_OFFSET_TEXTURE_SCALE_NV;
  GL_OFFSET_TEXTURE_2D_BIAS_NV = GL_OFFSET_TEXTURE_BIAS_NV;
  GL_PREVIOUS_TEXTURE_INPUT_NV = $86E4;
  GL_CONST_EYE_NV = $86E5;
  GL_PASS_THROUGH_NV = $86E6;
  GL_CULL_FRAGMENT_NV = $86E7;
  GL_OFFSET_TEXTURE_2D_NV = $86E8;
  GL_DEPENDENT_AR_TEXTURE_2D_NV = $86E9;
  GL_DEPENDENT_GB_TEXTURE_2D_NV = $86EA;
  GL_DOT_PRODUCT_NV = $86EC;
  GL_DOT_PRODUCT_DEPTH_REPLACE_NV = $86ED;
  GL_DOT_PRODUCT_TEXTURE_2D_NV = $86EE;
  GL_DOT_PRODUCT_TEXTURE_CUBE_MAP_NV = $86F0;
  GL_DOT_PRODUCT_DIFFUSE_CUBE_MAP_NV = $86F1;
  GL_DOT_PRODUCT_REFLECT_CUBE_MAP_NV = $86F2;
  GL_DOT_PRODUCT_CONST_EYE_REFLECT_CUBE_MAP_NV = $86F3;
  GL_HILO_NV = $86F4;
  GL_DSDT_NV = $86F5;
  GL_DSDT_MAG_NV = $86F6;
  GL_DSDT_MAG_VIB_NV = $86F7;
  GL_HILO16_NV = $86F8;
  GL_SIGNED_HILO_NV = $86F9;
  GL_SIGNED_HILO16_NV = $86FA;
  GL_SIGNED_RGBA_NV = $86FB;
  GL_SIGNED_RGBA8_NV = $86FC;
  GL_SIGNED_RGB_NV = $86FE;
  GL_SIGNED_RGB8_NV = $86FF;
  GL_SIGNED_LUMINANCE_NV = $8701;
  GL_SIGNED_LUMINANCE8_NV = $8702;
  GL_SIGNED_LUMINANCE_ALPHA_NV = $8703;
  GL_SIGNED_LUMINANCE8_ALPHA8_NV = $8704;
  GL_SIGNED_ALPHA_NV = $8705;
  GL_SIGNED_ALPHA8_NV = $8706;
  GL_SIGNED_INTENSITY_NV = $8707;
  GL_SIGNED_INTENSITY8_NV = $8708;
  GL_DSDT8_NV = $8709;
  GL_DSDT8_MAG8_NV = $870A;
  GL_DSDT8_MAG8_INTENSITY8_NV = $870B;
  GL_SIGNED_RGB_UNSIGNED_ALPHA_NV = $870C;
  GL_SIGNED_RGB8_UNSIGNED_ALPHA8_NV = $870D;
  GL_HI_SCALE_NV = $870E;
  GL_LO_SCALE_NV = $870F;
  GL_DS_SCALE_NV = $8710;
  GL_DT_SCALE_NV = $8711;
  GL_MAGNITUDE_SCALE_NV = $8712;
  GL_VIBRANCE_SCALE_NV = $8713;
  GL_HI_BIAS_NV = $8714;
  GL_LO_BIAS_NV = $8715;
  GL_DS_BIAS_NV = $8716;
  GL_DT_BIAS_NV = $8717;
  GL_MAGNITUDE_BIAS_NV = $8718;
  GL_VIBRANCE_BIAS_NV = $8719;
  GL_TEXTURE_BORDER_VALUES_NV = $871A;
  GL_TEXTURE_HI_SIZE_NV = $871B;
  GL_TEXTURE_LO_SIZE_NV = $871C;
  GL_TEXTURE_DS_SIZE_NV = $871D;
  GL_TEXTURE_DT_SIZE_NV = $871E;
  GL_TEXTURE_MAG_SIZE_NV = $871F;

  // GL_NV_texture_shader2
  GL_DOT_PRODUCT_TEXTURE_3D_NV = $86EF;

  // GL_NV_texture_shader3
  GL_OFFSET_PROJECTIVE_TEXTURE_2D_NV = $8850;
  GL_OFFSET_PROJECTIVE_TEXTURE_2D_SCALE_NV = $8851;
  GL_OFFSET_PROJECTIVE_TEXTURE_RECTANGLE_NV = $8852;
  GL_OFFSET_PROJECTIVE_TEXTURE_RECTANGLE_SCALE_NV = $8853;
  GL_OFFSET_HILO_TEXTURE_2D_NV = $8854;
  GL_OFFSET_HILO_TEXTURE_RECTANGLE_NV = $8855;
  GL_OFFSET_HILO_PROJECTIVE_TEXTURE_2D_NV = $8856;
  GL_OFFSET_HILO_PROJECTIVE_TEXTURE_RECTANGLE_NV = $8857;
  GL_DEPENDENT_HILO_TEXTURE_2D_NV = $8858;
  GL_DEPENDENT_RGB_TEXTURE_3D_NV = $8859;
  GL_DEPENDENT_RGB_TEXTURE_CUBE_MAP_NV = $885A;
  GL_DOT_PRODUCT_PASS_THROUGH_NV = $885B;
  GL_DOT_PRODUCT_TEXTURE_1D_NV = $885C;
  GL_DOT_PRODUCT_AFFINE_DEPTH_REPLACE_NV = $885D;
  GL_HILO8_NV = $885E;
  GL_SIGNED_HILO8_NV = $885F;
  GL_FORCE_BLUE_TO_ONE_NV = $8860;

  // GL_NV_vertex_array_range
  GL_VERTEX_ARRAY_RANGE_NV = $851D;
  GL_VERTEX_ARRAY_RANGE_LENGTH_NV = $851E;
  GL_VERTEX_ARRAY_RANGE_VALID_NV = $851F;
  GL_MAX_VERTEX_ARRAY_RANGE_ELEMENT_NV = $8520;
  GL_VERTEX_ARRAY_RANGE_POINTER_NV = $8521;

  // GL_NV_vertex_array_range2
  GL_VERTEX_ARRAY_RANGE_WITHOUT_FLUSH_NV = $8533;

  // GL_NV_vertex_program
  GL_VERTEX_PROGRAM_NV = $8620;
  GL_VERTEX_STATE_PROGRAM_NV = $8621;
  GL_ATTRIB_ARRAY_SIZE_NV = $8623;
  GL_ATTRIB_ARRAY_STRIDE_NV = $8624;
  GL_ATTRIB_ARRAY_TYPE_NV = $8625;
  GL_CURRENT_ATTRIB_NV = $8626;
  GL_PROGRAM_LENGTH_NV = $8627;
  GL_PROGRAM_STRING_NV = $8628;
  GL_MODELVIEW_PROJECTION_NV = $8629;
  GL_IDENTITY_NV = $862A;
  GL_INVERSE_NV = $862B;
  GL_TRANSPOSE_NV = $862C;
  GL_INVERSE_TRANSPOSE_NV = $862D;
  GL_MAX_TRACK_MATRIX_STACK_DEPTH_NV = $862E;
  GL_MAX_TRACK_MATRICES_NV = $862F;
  GL_MATRIX0_NV = $8630;
  GL_MATRIX1_NV = $8631;
  GL_MATRIX2_NV = $8632;
  GL_MATRIX3_NV = $8633;
  GL_MATRIX4_NV = $8634;
  GL_MATRIX5_NV = $8635;
  GL_MATRIX6_NV = $8636;
  GL_MATRIX7_NV = $8637;
  GL_CURRENT_MATRIX_STACK_DEPTH_NV = $8640;
  GL_CURRENT_MATRIX_NV = $8641;
  GL_VERTEX_PROGRAM_POINT_SIZE_NV = $8642;
  GL_VERTEX_PROGRAM_TWO_SIDE_NV = $8643;
  GL_PROGRAM_PARAMETER_NV = $8644;
  GL_ATTRIB_ARRAY_POINTER_NV = $8645;
  GL_PROGRAM_TARGET_NV = $8646;
  GL_PROGRAM_RESIDENT_NV = $8647;
  GL_TRACK_MATRIX_NV = $8648;
  GL_TRACK_MATRIX_TRANSFORM_NV = $8649;
  GL_VERTEX_PROGRAM_BINDING_NV = $864A;
  GL_PROGRAM_ERROR_POSITION_NV = $864B;
  GL_VERTEX_ATTRIB_ARRAY0_NV = $8650;
  GL_VERTEX_ATTRIB_ARRAY1_NV = $8651;
  GL_VERTEX_ATTRIB_ARRAY2_NV = $8652;
  GL_VERTEX_ATTRIB_ARRAY3_NV = $8653;
  GL_VERTEX_ATTRIB_ARRAY4_NV = $8654;
  GL_VERTEX_ATTRIB_ARRAY5_NV = $8655;
  GL_VERTEX_ATTRIB_ARRAY6_NV = $8656;
  GL_VERTEX_ATTRIB_ARRAY7_NV = $8657;
  GL_VERTEX_ATTRIB_ARRAY8_NV = $8658;
  GL_VERTEX_ATTRIB_ARRAY9_NV = $8659;
  GL_VERTEX_ATTRIB_ARRAY10_NV = $865A;
  GL_VERTEX_ATTRIB_ARRAY11_NV = $865B;
  GL_VERTEX_ATTRIB_ARRAY12_NV = $865C;
  GL_VERTEX_ATTRIB_ARRAY13_NV = $865D;
  GL_VERTEX_ATTRIB_ARRAY14_NV = $865E;
  GL_VERTEX_ATTRIB_ARRAY15_NV = $865F;
  GL_MAP1_VERTEX_ATTRIB0_4_NV = $8660;
  GL_MAP1_VERTEX_ATTRIB1_4_NV = $8661;
  GL_MAP1_VERTEX_ATTRIB2_4_NV = $8662;
  GL_MAP1_VERTEX_ATTRIB3_4_NV = $8663;
  GL_MAP1_VERTEX_ATTRIB4_4_NV = $8664;
  GL_MAP1_VERTEX_ATTRIB5_4_NV = $8665;
  GL_MAP1_VERTEX_ATTRIB6_4_NV = $8666;
  GL_MAP1_VERTEX_ATTRIB7_4_NV = $8667;
  GL_MAP1_VERTEX_ATTRIB8_4_NV = $8668;
  GL_MAP1_VERTEX_ATTRIB9_4_NV = $8669;
  GL_MAP1_VERTEX_ATTRIB10_4_NV = $866A;
  GL_MAP1_VERTEX_ATTRIB11_4_NV = $866B;
  GL_MAP1_VERTEX_ATTRIB12_4_NV = $866C;
  GL_MAP1_VERTEX_ATTRIB13_4_NV = $866D;
  GL_MAP1_VERTEX_ATTRIB14_4_NV = $866E;
  GL_MAP1_VERTEX_ATTRIB15_4_NV = $866F;
  GL_MAP2_VERTEX_ATTRIB0_4_NV = $8670;
  GL_MAP2_VERTEX_ATTRIB1_4_NV = $8671;
  GL_MAP2_VERTEX_ATTRIB2_4_NV = $8672;
  GL_MAP2_VERTEX_ATTRIB3_4_NV = $8673;
  GL_MAP2_VERTEX_ATTRIB4_4_NV = $8674;
  GL_MAP2_VERTEX_ATTRIB5_4_NV = $8675;
  GL_MAP2_VERTEX_ATTRIB6_4_NV = $8676;
  GL_MAP2_VERTEX_ATTRIB7_4_NV = $8677;
  GL_MAP2_VERTEX_ATTRIB8_4_NV = $8678;
  GL_MAP2_VERTEX_ATTRIB9_4_NV = $8679;
  GL_MAP2_VERTEX_ATTRIB10_4_NV = $867A;
  GL_MAP2_VERTEX_ATTRIB11_4_NV = $867B;
  GL_MAP2_VERTEX_ATTRIB12_4_NV = $867C;
  GL_MAP2_VERTEX_ATTRIB13_4_NV = $867D;
  GL_MAP2_VERTEX_ATTRIB14_4_NV = $867E;
  GL_MAP2_VERTEX_ATTRIB15_4_NV = $867F;

  // GL_NV_fragment_program2 and GL_NV_vertex_program2_option
  GL_MAX_PROGRAM_EXEC_INSTRUCTIONS_NV = $88F4;
  GL_MAX_PROGRAM_CALL_DEPTH_NV = $88F5;

  // GL_NV_fragment_program2
  GL_MAX_PROGRAM_IF_DEPTH_NV = $88F6;
  GL_MAX_PROGRAM_LOOP_DEPTH_NV = $88F7;
  GL_MAX_PROGRAM_LOOP_COUNT_NV = $88F8;

  // GL_NV_vertex_program3
  MAX_VERTEX_TEXTURE_IMAGE_UNITS_ARB = $8B4C;

  // GL_NV_depth_buffer_float
  GL_FLOAT_32_UNSIGNED_INT_24_8_REV_NV = $8DAD;
  GL_DEPTH_BUFFER_FLOAT_MODE_NV = $8DAF;

  // GL_NV_framebuffer_multisample_coverage
  GL_RENDERBUFFER_COVERAGE_SAMPLES_NV = $8CAB;
  GL_RENDERBUFFER_COLOR_SAMPLES_NV = $8E10;

  // GL_NV_geometry_program4
  GL_GEOMETRY_PROGRAM_NV = $8C26;
  GL_MAX_PROGRAM_OUTPUT_VERTICES_NV = $8C27;
  GL_MAX_PROGRAM_TOTAL_OUTPUT_COMPONENTS_NV = $8C28;

  // GL_NV_gpu_program4
  GL_PROGRAM_ATTRIB_COMPONENTS_NV = $8906;
  GL_PROGRAM_RESULT_COMPONENTS_NV = $8907;
  GL_MAX_PROGRAM_ATTRIB_COMPONENTS_NV = $8908;
  GL_MAX_PROGRAM_RESULT_COMPONENTS_NV = $8909;
  GL_MAX_PROGRAM_GENERIC_ATTRIBS_NV = $8DA5;
  GL_MAX_PROGRAM_GENERIC_RESULTS_NV = $8DA6;

  // GL_NV_parameter_buffer_object
  GL_MAX_PROGRAM_PARAMETER_BUFFER_BINDINGS_NV = $8DA0;
  GL_MAX_PROGRAM_PARAMETER_BUFFER_SIZE_NV = $8DA1;
  GL_VERTEX_PROGRAM_PARAMETER_BUFFER_NV = $8DA2;
  GL_GEOMETRY_PROGRAM_PARAMETER_BUFFER_NV = $8DA3;
  GL_FRAGMENT_PROGRAM_PARAMETER_BUFFER_NV = $8DA4;

  // GL_NV_transform_feedback
  GL_TRANSFORM_FEEDBACK_BUFFER_NV = $8C8E;
  GL_TRANSFORM_FEEDBACK_BUFFER_START_NV = $8C84;
  GL_TRANSFORM_FEEDBACK_BUFFER_SIZE_NV = $8C85;
  GL_TRANSFORM_FEEDBACK_RECORD_NV = $8C86;
  GL_TRANSFORM_FEEDBACK_BUFFER_BINDING_NV = $8C8F;
  GL_INTERLEAVED_ATTRIBS_NV = $8C8C;
  GL_SEPARATE_ATTRIBS_NV = $8C8D;
  GL_PRIMITIVES_GENERATED_NV = $8C87;
  GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN_NV = $8C88;
  GL_RASTERIZER_DISCARD_NV = $8C89;
  GL_MAX_TRANSFORM_FEEDBACK_INTERLEAVED_COMPONENTS_NV = $8C8A;
  GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS_NV = $8C8B;
  GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_COMPONENTS_NV = $8C80;
  GL_TRANSFORM_FEEDBACK_ATTRIBS_NV = $8C7E;
  GL_ACTIVE_VARYINGS_NV = $8C81;
  GL_ACTIVE_VARYING_MAX_LENGTH_NV = $8C82;
  GL_TRANSFORM_FEEDBACK_VARYINGS_NV = $8C83;
  GL_TRANSFORM_FEEDBACK_BUFFER_MODE_NV = $8C7F;
  GL_BACK_PRIMARY_COLOR_NV = $8C77;
  GL_BACK_SECONDARY_COLOR_NV = $8C78;
  GL_TEXTURE_COORD_NV = $8C79;
  GL_CLIP_DISTANCE_NV = $8C7A;
  GL_VERTEX_ID_NV = $8C7B;
  GL_PRIMITIVE_ID_NV = $8C7C;
  GL_GENERIC_ATTRIB_NV = $8C7D;
  GL_LAYER_NV = $8DAA;
  GL_NEXT_BUFFER_NV = -2;
  GL_SKIP_COMPONENTS4_NV = -3;
  GL_SKIP_COMPONENTS3_NV = -4;
  GL_SKIP_COMPONENTS2_NV = -5;
  GL_SKIP_COMPONENTS1_NV = -6;

  // GL_NV_conditional_render
  GL_QUERY_WAIT_NV = $8E13;
  GL_QUERY_NO_WAIT_NV = $8E14;
  GL_QUERY_BY_REGION_WAIT_NV = $8E15;
  GL_QUERY_BY_REGION_NO_WAIT_NV = $8E16;

  // GL_NV_conservative_raster
  GL_CONSERVATIVE_RASTERIZATION_NV = $9346;
  GL_SUBPIXEL_PRECISION_BIAS_X_BITS_NV = $9347;
  GL_SUBPIXEL_PRECISION_BIAS_Y_BITS_NV = $9348;
  GL_MAX_SUBPIXEL_PRECISION_BIAS_BITS_NV = $9349;

  // GL_NV_conservative_raster_dilate
  GL_CONSERVATIVE_RASTER_DILATE_NV = $9379;
  GL_CONSERVATIVE_RASTER_DILATE_RANGE_NV = $937A;
  GL_CONSERVATIVE_RASTER_DILATE_GRANULARITY_NV = $937B;

  // GL_NV_present_video
  GL_FRAME_NV = $8E26;
  GL_FIELDS_NV = $8E27;
  GL_CURRENT_TIME_NV = $8E28;
  GL_NUM_FILL_STREAMS_NV = $8E29;
  GL_PRESENT_TIME_NV = $8E2A;
  GL_PRESENT_DURATION_NV = $8E2B;

  // GL_NV_explicit_multisample
  GL_SAMPLE_POSITION_NV = $8E50;
  GL_SAMPLE_MASK_NV = $8E51;
  GL_SAMPLE_MASK_VALUE_NV = $8E52;
  GL_TEXTURE_BINDING_RENDERBUFFER_NV = $8E53;
  GL_TEXTURE_RENDERBUFFER_DATA_STORE_BINDING_NV = $8E54;
  GL_TEXTURE_RENDERBUFFER_NV = $8E55;
  GL_SAMPLER_RENDERBUFFER_NV = $8E56;
  GL_INT_SAMPLER_RENDERBUFFER_NV = $8E57;
  GL_UNSIGNED_INT_SAMPLER_RENDERBUFFER_NV = $8E58;
  GL_MAX_SAMPLE_MASK_WORDS_NV = $8E59;

  // GL_NV_transform_feedback2
  GL_TRANSFORM_FEEDBACK_NV = $8E22;
  GL_TRANSFORM_FEEDBACK_BUFFER_PAUSED_NV = $8E23;
  GL_TRANSFORM_FEEDBACK_BUFFER_ACTIVE_NV = $8E24;
  GL_TRANSFORM_FEEDBACK_BINDING_NV = $8E25;

  // GL_NV_video_capture
  GL_VIDEO_BUFFER_NV = $9020;
  GL_VIDEO_BUFFER_BINDING_NV = $9021;
  GL_FIELD_UPPER_NV = $9022;
  GL_FIELD_LOWER_NV = $9023;
  GL_NUM_VIDEO_CAPTURE_STREAMS_NV = $9024;
  GL_NEXT_VIDEO_CAPTURE_BUFFER_STATUS_NV = $9025;
  GL_VIDEO_CAPTURE_TO_422_SUPPORTED_NV = $9026;
  GL_LAST_VIDEO_CAPTURE_STATUS_NV = $9027;
  GL_VIDEO_BUFFER_PITCH_NV = $9028;
  GL_VIDEO_COLOR_CONVERSION_MATRIX_NV = $9029;
  GL_VIDEO_COLOR_CONVERSION_MAX_NV = $902A;
  GL_VIDEO_COLOR_CONVERSION_MIN_NV = $902B;
  GL_VIDEO_COLOR_CONVERSION_OFFSET_NV = $902C;
  GL_VIDEO_BUFFER_INTERNAL_FORMAT_NV = $902D;
  GL_PARTIAL_SUCCESS_NV = $902E;
  GL_SUCCESS_NV = $902F;
  GL_FAILURE_NV = $9030;
  GL_YCBYCR8_422_NV = $9031;
  GL_YCBAYCR8A_4224_NV = $9032;
  GL_Z6Y10Z6CB10Z6Y10Z6CR10_422_NV = $9033;
  GL_Z6Y10Z6CB10Z6A10Z6Y10Z6CR10Z6A10_4224_NV = $9034;
  GL_Z4Y12Z4CB12Z4Y12Z4CR12_422_NV = $9035;
  GL_Z4Y12Z4CB12Z4A12Z4Y12Z4CR12Z4A12_4224_NV = $9036;
  GL_Z4Y12Z4CB12Z4CR12_444_NV = $9037;
  GL_VIDEO_CAPTURE_FRAME_WIDTH_NV = $9038;
  GL_VIDEO_CAPTURE_FRAME_HEIGHT_NV = $9039;
  GL_VIDEO_CAPTURE_FIELD_UPPER_HEIGHT_NV = $903A;
  GL_VIDEO_CAPTURE_FIELD_LOWER_HEIGHT_NV = $903B;
  GL_VIDEO_CAPTURE_SURFACE_ORIGIN_NV = $903C;

  // GL_NV_shader_buffer_load
  GL_BUFFER_GPU_ADDRESS_NV = $8F1D;
  GL_GPU_ADDRESS_NV = $8F34;
  GL_MAX_SHADER_BUFFER_ADDRESS_NV = $8F35;

  // GL_NV_vertex_buffer_unified_memory
  GL_VERTEX_ATTRIB_ARRAY_UNIFIED_NV = $8F1E;
  GL_ELEMENT_ARRAY_UNIFIED_NV = $8F1F;
  GL_VERTEX_ATTRIB_ARRAY_ADDRESS_NV = $8F20;
  GL_VERTEX_ARRAY_ADDRESS_NV = $8F21;
  GL_NORMAL_ARRAY_ADDRESS_NV = $8F22;
  GL_COLOR_ARRAY_ADDRESS_NV = $8F23;
  GL_INDEX_ARRAY_ADDRESS_NV = $8F24;
  GL_TEXTURE_COORD_ARRAY_ADDRESS_NV = $8F25;
  GL_EDGE_FLAG_ARRAY_ADDRESS_NV = $8F26;
  GL_SECONDARY_COLOR_ARRAY_ADDRESS_NV = $8F27;
  GL_FOG_COORD_ARRAY_ADDRESS_NV = $8F28;
  GL_ELEMENT_ARRAY_ADDRESS_NV = $8F29;
  GL_VERTEX_ATTRIB_ARRAY_LENGTH_NV = $8F2A;
  GL_VERTEX_ARRAY_LENGTH_NV = $8F2B;
  GL_NORMAL_ARRAY_LENGTH_NV = $8F2C;
  GL_COLOR_ARRAY_LENGTH_NV = $8F2D;
  GL_INDEX_ARRAY_LENGTH_NV = $8F2E;
  GL_TEXTURE_COORD_ARRAY_LENGTH_NV = $8F2F;
  GL_EDGE_FLAG_ARRAY_LENGTH_NV = $8F30;
  GL_SECONDARY_COLOR_ARRAY_LENGTH_NV = $8F31;
  GL_FOG_COORD_ARRAY_LENGTH_NV = $8F32;
  GL_ELEMENT_ARRAY_LENGTH_NV = $8F33;
  GL_DRAW_INDIRECT_UNIFIED_NV = $8F40;
  GL_DRAW_INDIRECT_ADDRESS_NV = $8F41;
  GL_DRAW_INDIRECT_LENGTH_NV = $8F42;

  // GL_NV_gpu_program5
  GL_MAX_GEOMETRY_PROGRAM_INVOCATIONS_NV = $8E5A;
  GL_MIN_FRAGMENT_INTERPOLATION_OFFSET_NV = $8E5B;
  GL_MAX_FRAGMENT_INTERPOLATION_OFFSET_NV = $8E5C;
  GL_FRAGMENT_PROGRAM_INTERPOLATION_OFFSET_BITS_NV = $8E5D;
  GL_MIN_PROGRAM_TEXTURE_GATHER_OFFSET_NV = $8E5E;
  GL_MAX_PROGRAM_TEXTURE_GATHER_OFFSET_NV = $8E5F;
  GL_MAX_PROGRAM_SUBROUTINE_PARAMETERS_NV = $8F44;
  GL_MAX_PROGRAM_SUBROUTINE_NUM_NV = $8F45;

  // GL_NV_gpu_shader5
  GL_INT64_NV = $140E;
  GL_UNSIGNED_INT64_NV = $140F;
  GL_INT8_NV = $8FE0;
  GL_INT8_VEC2_NV = $8FE1;
  GL_INT8_VEC3_NV = $8FE2;
  GL_INT8_VEC4_NV = $8FE3;
  GL_INT16_NV = $8FE4;
  GL_INT16_VEC2_NV = $8FE5;
  GL_INT16_VEC3_NV = $8FE6;
  GL_INT16_VEC4_NV = $8FE7;
  GL_INT64_VEC2_NV = $8FE9;
  GL_INT64_VEC3_NV = $8FEA;
  GL_INT64_VEC4_NV = $8FEB;
  GL_UNSIGNED_INT8_NV = $8FEC;
  GL_UNSIGNED_INT8_VEC2_NV = $8FED;
  GL_UNSIGNED_INT8_VEC3_NV = $8FEE;
  GL_UNSIGNED_INT8_VEC4_NV = $8FEF;
  GL_UNSIGNED_INT16_NV = $8FF0;
  GL_UNSIGNED_INT16_VEC2_NV = $8FF1;
  GL_UNSIGNED_INT16_VEC3_NV = $8FF2;
  GL_UNSIGNED_INT16_VEC4_NV = $8FF3;
  GL_UNSIGNED_INT64_VEC2_NV = $8FF5;
  GL_UNSIGNED_INT64_VEC3_NV = $8FF6;
  GL_UNSIGNED_INT64_VEC4_NV = $8FF7;
  GL_FLOAT16_NV = $8FF8;
  GL_FLOAT16_VEC2_NV = $8FF9;
  GL_FLOAT16_VEC3_NV = $8FFA;
  GL_FLOAT16_VEC4_NV = $8FFB;
  { reuse GL_PATCHES }

  // GL_NV_shader_buffer_store
  GL_SHADER_GLOBAL_ACCESS_BARRIER_BIT_NV = $00000010;
  { reuse GL_READ_WRITE }
  { reuse GL_WRITE_ONLY }

  // GL_NV_tessellation_program5
  GL_MAX_PROGRAM_PATCH_ATTRIBS_NV = $86D8;
  GL_TESS_CONTROL_PROGRAM_NV = $891E;
  GL_TESS_EVALUATION_PROGRAM_NV = $891F;
  GL_TESS_CONTROL_PROGRAM_PARAMETER_BUFFER_NV = $8C74;
  GL_TESS_EVALUATION_PROGRAM_PARAMETER_BUFFER_NV = $8C75;

  // GL_NV_vertex_attrib_integer_64bit
  { reuse GL_INT64_NV }
  { reuse GL_UNSIGNED_INT64_NV }

  // GL_NV_multisample_coverage
  GL_COVERAGE_SAMPLES_NV = $80A9;
  GL_COLOR_SAMPLES_NV = $8E20;

  // GL_NV_vdpau_interop
  GL_SURFACE_STATE_NV = $86EB;
  GL_SURFACE_REGISTERED_NV = $86FD;
  GL_SURFACE_MAPPED_NV = $8700;
  GL_WRITE_DISCARD_NV = $88BE;

  // GL_OML_interlace
  GL_INTERLACE_OML = $8980;
  GL_INTERLACE_READ_OML = $8981;

  // GL_OML_resample
  GL_PACK_RESAMPLE_OML = $8984;
  GL_UNPACK_RESAMPLE_OML = $8985;
  GL_RESAMPLE_REPLICATE_OML = $8986;
  GL_RESAMPLE_ZERO_FILL_OML = $8987;
  GL_RESAMPLE_AVERAGE_OML = $8988;
  GL_RESAMPLE_DECIMATE_OML = $8989;

  // GL_OML_subsample
  GL_FORMAT_SUBSAMPLE_24_24_OML = $8982;
  GL_FORMAT_SUBSAMPLE_244_244_OML = $8983;

  // GL_OVR_multiview
  GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_NUM_VIEWS_OVR = $9630;
  GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_BASE_VIEW_INDEX_OVR = $9632;
  GL_MAX_VIEWS_OVR = $9631;
  GL_FRAMEBUFFER_INCOMPLETE_VIEW_TARGETS_OVR  = $9633;

  // GL_PGI_misc_hints
  GL_PREFER_DOUBLEBUFFER_HINT_PGI = $1A1F8;
  GL_CONSERVE_MEMORY_HINT_PGI = $1A1FD;
  GL_RECLAIM_MEMORY_HINT_PGI = $1A1FE;
  GL_NATIVE_GRAPHICS_HANDLE_PGI = $1A202;
  GL_NATIVE_GRAPHICS_BEGIN_HINT_PGI = $1A203;
  GL_NATIVE_GRAPHICS_END_HINT_PGI = $1A204;
  GL_ALWAYS_FAST_HINT_PGI = $1A20C;
  GL_ALWAYS_SOFT_HINT_PGI = $1A20D;
  GL_ALLOW_DRAW_OBJ_HINT_PGI = $1A20E;
  GL_ALLOW_DRAW_WIN_HINT_PGI = $1A20F;
  GL_ALLOW_DRAW_FRG_HINT_PGI = $1A210;
  GL_ALLOW_DRAW_MEM_HINT_PGI = $1A211;
  GL_STRICT_DEPTHFUNC_HINT_PGI = $1A216;
  GL_STRICT_LIGHTING_HINT_PGI = $1A217;
  GL_STRICT_SCISSOR_HINT_PGI = $1A218;
  GL_FULL_STIPPLE_HINT_PGI = $1A219;
  GL_CLIP_NEAR_HINT_PGI = $1A220;
  GL_CLIP_FAR_HINT_PGI = $1A221;
  GL_WIDE_LINE_HINT_PGI = $1A222;
  GL_BACK_NORMALS_HINT_PGI = $1A223;

  // GL_PGI_vertex_hints
  GL_VERTEX_DATA_HINT_PGI = $1A22A;
  GL_VERTEX_CONSISTENT_HINT_PGI = $1A22B;
  GL_MATERIAL_SIDE_HINT_PGI = $1A22C;
  GL_MAX_VERTEX_HINT_PGI = $1A22D;
  GL_COLOR3_BIT_PGI = $00010000;
  GL_COLOR4_BIT_PGI = $00020000;
  GL_EDGEFLAG_BIT_PGI = $00040000;
  GL_INDEX_BIT_PGI = $00080000;
  GL_MAT_AMBIENT_BIT_PGI = $00100000;
  GL_MAT_AMBIENT_AND_DIFFUSE_BIT_PGI = $00200000;
  GL_MAT_DIFFUSE_BIT_PGI = $00400000;
  GL_MAT_EMISSION_BIT_PGI = $00800000;
  GL_MAT_COLOR_INDEXES_BIT_PGI = $01000000;
  GL_MAT_SHININESS_BIT_PGI = $02000000;
  GL_MAT_SPECULAR_BIT_PGI = $04000000;
  GL_NORMAL_BIT_PGI = $08000000;
  GL_TEXCOORD1_BIT_PGI = $10000000;
  GL_TEXCOORD2_BIT_PGI = $20000000;
  GL_TEXCOORD3_BIT_PGI = $40000000;
  GL_TEXCOORD4_BIT_PGI = $80000000;
  GL_VERTEX23_BIT_PGI = $00000004;
  GL_VERTEX4_BIT_PGI = $00000008;

  // GL_REND_screen_coordinates
  GL_SCREEN_COORDINATES_REND = $8490;
  GL_INVERTED_SCREEN_W_REND = $8491;

  // GL_S3_s3tc
  GL_RGB_S3TC = $83A0;
  GL_RGB4_S3TC = $83A1;
  GL_RGBA_S3TC = $83A2;
  GL_RGBA4_S3TC = $83A3;

  // GL_SGIS_detail_texture
  GL_DETAIL_TEXTURE_2D_SGIS = $8095;
  GL_DETAIL_TEXTURE_2D_BINDING_SGIS = $8096;
  GL_LINEAR_DETAIL_SGIS = $8097;
  GL_LINEAR_DETAIL_ALPHA_SGIS = $8098;
  GL_LINEAR_DETAIL_COLOR_SGIS = $8099;
  GL_DETAIL_TEXTURE_LEVEL_SGIS = $809A;
  GL_DETAIL_TEXTURE_MODE_SGIS = $809B;
  GL_DETAIL_TEXTURE_FUNC_POINTS_SGIS = $809C;

  // GL_SGIS_fog_function
  GL_FOG_FUNC_SGIS = $812A;
  GL_FOG_FUNC_POINTS_SGIS = $812B;
  GL_MAX_FOG_FUNC_POINTS_SGIS = $812C;

  // GL_SGIS_generate_mipmap
  GL_GENERATE_MIPMAP_SGIS = $8191;
  GL_GENERATE_MIPMAP_HINT_SGIS = $8192;

  // GL_SGIS_multisample
  GL_MULTISAMPLE_SGIS = $809D;
  GL_SAMPLE_ALPHA_TO_MASK_SGIS = $809E;
  GL_SAMPLE_ALPHA_TO_ONE_SGIS = $809F;
  GL_SAMPLE_MASK_SGIS = $80A0;
  GL_1PASS_SGIS = $80A1;
  GL_2PASS_0_SGIS = $80A2;
  GL_2PASS_1_SGIS = $80A3;
  GL_4PASS_0_SGIS = $80A4;
  GL_4PASS_1_SGIS = $80A5;
  GL_4PASS_2_SGIS = $80A6;
  GL_4PASS_3_SGIS = $80A7;
  GL_SAMPLE_BUFFERS_SGIS = $80A8;
  GL_SAMPLES_SGIS = $80A9;
  GL_SAMPLE_MASK_VALUE_SGIS = $80AA;
  GL_SAMPLE_MASK_INVERT_SGIS = $80AB;
  GL_SAMPLE_PATTERN_SGIS = $80AC;

  // GL_SGIS_pixel_texture
  GL_PIXEL_TEXTURE_SGIS = $8353;
  GL_PIXEL_FRAGMENT_RGB_SOURCE_SGIS = $8354;
  GL_PIXEL_FRAGMENT_ALPHA_SOURCE_SGIS = $8355;
  GL_PIXEL_GROUP_COLOR_SGIS = $8356;

  // GL_SGIS_point_line_texgen
  GL_EYE_DISTANCE_TO_POINT_SGIS = $81F0;
  GL_OBJECT_DISTANCE_TO_POINT_SGIS = $81F1;
  GL_EYE_DISTANCE_TO_LINE_SGIS = $81F2;
  GL_OBJECT_DISTANCE_TO_LINE_SGIS = $81F3;
  GL_EYE_POINT_SGIS = $81F4;
  GL_OBJECT_POINT_SGIS = $81F5;
  GL_EYE_LINE_SGIS = $81F6;
  GL_OBJECT_LINE_SGIS = $81F7;

  // GL_SGIS_point_parameters
  GL_POINT_SIZE_MIN_SGIS = $8126;
  GL_POINT_SIZE_MAX_SGIS = $8127;
  GL_POINT_FADE_THRESHOLD_SIZE_SGIS = $8128;
  GL_DISTANCE_ATTENUATION_SGIS = $8129;

  // GL_SGIS_sharpen_texture
  GL_LINEAR_SHARPEN_SGIS = $80AD;
  GL_LINEAR_SHARPEN_ALPHA_SGIS = $80AE;
  GL_LINEAR_SHARPEN_COLOR_SGIS = $80AF;
  GL_SHARPEN_TEXTURE_FUNC_POINTS_SGIS = $80B0;

  // GL_SGIS_texture4D
  GL_PACK_SKIP_VOLUMES_SGIS = $8130;
  GL_PACK_IMAGE_DEPTH_SGIS = $8131;
  GL_UNPACK_SKIP_VOLUMES_SGIS = $8132;
  GL_UNPACK_IMAGE_DEPTH_SGIS = $8133;
  GL_TEXTURE_4D_SGIS = $8134;
  GL_PROXY_TEXTURE_4D_SGIS = $8135;
  GL_TEXTURE_4DSIZE_SGIS = $8136;
  GL_TEXTURE_WRAP_Q_SGIS = $8137;
  GL_MAX_4D_TEXTURE_SIZE_SGIS = $8138;
  GL_TEXTURE_4D_BINDING_SGIS = $814F;

  // GL_SGIS_texture_color_mask
  GL_TEXTURE_COLOR_WRITEMASK_SGIS = $81EF;

  // GL_SGIS_texture_edge_clamp
  GL_CLAMP_TO_EDGE_SGIS = $812F;

  // GL_SGIS_texture_filter4
  GL_FILTER4_SGIS = $8146;
  GL_TEXTURE_FILTER4_SIZE_SGIS = $8147;

  // GL_SGIS_texture_lod
  GL_TEXTURE_MIN_LOD_SGIS = $813A;
  GL_TEXTURE_MAX_LOD_SGIS = $813B;
  GL_TEXTURE_BASE_LEVEL_SGIS = $813C;
  GL_TEXTURE_MAX_LEVEL_SGIS = $813D;

  // GL_SGIS_texture_select
  GL_DUAL_ALPHA4_SGIS = $8110;
  GL_DUAL_ALPHA8_SGIS = $8111;
  GL_DUAL_ALPHA12_SGIS = $8112;
  GL_DUAL_ALPHA16_SGIS = $8113;
  GL_DUAL_LUMINANCE4_SGIS = $8114;
  GL_DUAL_LUMINANCE8_SGIS = $8115;
  GL_DUAL_LUMINANCE12_SGIS = $8116;
  GL_DUAL_LUMINANCE16_SGIS = $8117;
  GL_DUAL_INTENSITY4_SGIS = $8118;
  GL_DUAL_INTENSITY8_SGIS = $8119;
  GL_DUAL_INTENSITY12_SGIS = $811A;
  GL_DUAL_INTENSITY16_SGIS = $811B;
  GL_DUAL_LUMINANCE_ALPHA4_SGIS = $811C;
  GL_DUAL_LUMINANCE_ALPHA8_SGIS = $811D;
  GL_QUAD_ALPHA4_SGIS = $811E;
  GL_QUAD_ALPHA8_SGIS = $811F;
  GL_QUAD_LUMINANCE4_SGIS = $8120;
  GL_QUAD_LUMINANCE8_SGIS = $8121;
  GL_QUAD_INTENSITY4_SGIS = $8122;
  GL_QUAD_INTENSITY8_SGIS = $8123;
  GL_DUAL_TEXTURE_SELECT_SGIS = $8124;
  GL_QUAD_TEXTURE_SELECT_SGIS = $8125;

  // GL_SGIX_async
  GL_ASYNC_MARKER_SGIX = $8329;

  // GL_SGIX_async_histogram
  GL_ASYNC_HISTOGRAM_SGIX = $832C;
  GL_MAX_ASYNC_HISTOGRAM_SGIX = $832D;

  // GL_SGIX_async_pixel
  GL_ASYNC_TEX_IMAGE_SGIX = $835C;
  GL_ASYNC_DRAW_PIXELS_SGIX = $835D;
  GL_ASYNC_READ_PIXELS_SGIX = $835E;
  GL_MAX_ASYNC_TEX_IMAGE_SGIX = $835F;
  GL_MAX_ASYNC_DRAW_PIXELS_SGIX = $8360;
  GL_MAX_ASYNC_READ_PIXELS_SGIX = $8361;

  // GL_SGIX_blend_alpha_minmax
  GL_ALPHA_MIN_SGIX = $8320;
  GL_ALPHA_MAX_SGIX = $8321;

  // GL_SGIX_calligraphic_fragment
  GL_CALLIGRAPHIC_FRAGMENT_SGIX = $8183;

  // GL_SGIX_clipmap
  GL_LINEAR_CLIPMAP_LINEAR_SGIX = $8170;
  GL_TEXTURE_CLIPMAP_CENTER_SGIX = $8171;
  GL_TEXTURE_CLIPMAP_FRAME_SGIX = $8172;
  GL_TEXTURE_CLIPMAP_OFFSET_SGIX = $8173;
  GL_TEXTURE_CLIPMAP_VIRTUAL_DEPTH_SGIX = $8174;
  GL_TEXTURE_CLIPMAP_LOD_OFFSET_SGIX = $8175;
  GL_TEXTURE_CLIPMAP_DEPTH_SGIX = $8176;
  GL_MAX_CLIPMAP_DEPTH_SGIX = $8177;
  GL_MAX_CLIPMAP_VIRTUAL_DEPTH_SGIX = $8178;
  GL_NEAREST_CLIPMAP_NEAREST_SGIX = $844D;
  GL_NEAREST_CLIPMAP_LINEAR_SGIX = $844E;
  GL_LINEAR_CLIPMAP_NEAREST_SGIX = $844F;

  // GL_SGIX_convolution_accuracy
  GL_CONVOLUTION_HINT_SGIX = $8316;

  // GL_SGIX_depth_texture
  GL_DEPTH_COMPONENT16_SGIX = $81A5;
  GL_DEPTH_COMPONENT24_SGIX = $81A6;
  GL_DEPTH_COMPONENT32_SGIX = $81A7;

  // GL_SGIX_fog_offset
  GL_FOG_OFFSET_SGIX = $8198;
  GL_FOG_OFFSET_VALUE_SGIX = $8199;

  // GL_SGIX_fog_scale
  GL_FOG_SCALE_SGIX = $81FC;
  GL_FOG_SCALE_VALUE_SGIX = $81FD;

  // GL_SGIX_fragment_lighting
  GL_FRAGMENT_LIGHTING_SGIX = $8400;
  GL_FRAGMENT_COLOR_MATERIAL_SGIX = $8401;
  GL_FRAGMENT_COLOR_MATERIAL_FACE_SGIX = $8402;
  GL_FRAGMENT_COLOR_MATERIAL_PARAMETER_SGIX = $8403;
  GL_MAX_FRAGMENT_LIGHTS_SGIX = $8404;
  GL_MAX_ACTIVE_LIGHTS_SGIX = $8405;
  GL_CURRENT_RASTER_NORMAL_SGIX = $8406;
  GL_LIGHT_ENV_MODE_SGIX = $8407;
  GL_FRAGMENT_LIGHT_MODEL_LOCAL_VIEWER_SGIX = $8408;
  GL_FRAGMENT_LIGHT_MODEL_TWO_SIDE_SGIX = $8409;
  GL_FRAGMENT_LIGHT_MODEL_AMBIENT_SGIX = $840A;
  GL_FRAGMENT_LIGHT_MODEL_NORMAL_INTERPOLATION_SGIX = $840B;
  GL_FRAGMENT_LIGHT0_SGIX = $840C;
  GL_FRAGMENT_LIGHT1_SGIX = $840D;
  GL_FRAGMENT_LIGHT2_SGIX = $840E;
  GL_FRAGMENT_LIGHT3_SGIX = $840F;
  GL_FRAGMENT_LIGHT4_SGIX = $8410;
  GL_FRAGMENT_LIGHT5_SGIX = $8411;
  GL_FRAGMENT_LIGHT6_SGIX = $8412;
  GL_FRAGMENT_LIGHT7_SGIX = $8413;

  // GL_SGIX_framezoom
  GL_FRAMEZOOM_SGIX = $818B;
  GL_FRAMEZOOM_FACTOR_SGIX = $818C;
  GL_MAX_FRAMEZOOM_FACTOR_SGIX = $818D;

  // GL_SGIX_impact_pixel_texture
  GL_PIXEL_TEX_GEN_Q_CEILING_SGIX = $8184;
  GL_PIXEL_TEX_GEN_Q_ROUND_SGIX = $8185;
  GL_PIXEL_TEX_GEN_Q_FLOOR_SGIX = $8186;
  GL_PIXEL_TEX_GEN_ALPHA_REPLACE_SGIX = $8187;
  GL_PIXEL_TEX_GEN_ALPHA_NO_REPLACE_SGIX = $8188;
  GL_PIXEL_TEX_GEN_ALPHA_LS_SGIX = $8189;
  GL_PIXEL_TEX_GEN_ALPHA_MS_SGIX = $818A;

  // GL_SGIX_instruments
  GL_INSTRUMENT_BUFFER_POINTER_SGIX = $8180;
  GL_INSTRUMENT_MEASUREMENTS_SGIX = $8181;

  // GL_SGIX_interlace
  GL_INTERLACE_SGIX = $8094;

  // GL_SGIX_ir_instrument1
  GL_IR_INSTRUMENT1_SGIX = $817F;

  // GL_SGIX_list_priority
  GL_LIST_PRIORITY_SGIX = $8182;

  // GL_SGIX_pixel_texture
  GL_PIXEL_TEX_GEN_SGIX = $8139;
  GL_PIXEL_TEX_GEN_MODE_SGIX = $832B;

  // GL_SGIX_pixel_tiles
  GL_PIXEL_TILE_BEST_ALIGNMENT_SGIX = $813E;
  GL_PIXEL_TILE_CACHE_INCREMENT_SGIX = $813F;
  GL_PIXEL_TILE_WIDTH_SGIX = $8140;
  GL_PIXEL_TILE_HEIGHT_SGIX = $8141;
  GL_PIXEL_TILE_GRID_WIDTH_SGIX = $8142;
  GL_PIXEL_TILE_GRID_HEIGHT_SGIX = $8143;
  GL_PIXEL_TILE_GRID_DEPTH_SGIX = $8144;
  GL_PIXEL_TILE_CACHE_SIZE_SGIX = $8145;

  // GL_SGIX_polynomial_ffd
  GL_GEOMETRY_DEFORMATION_SGIX = $8194;
  GL_TEXTURE_DEFORMATION_SGIX = $8195;
  GL_DEFORMATIONS_MASK_SGIX = $8196;
  GL_MAX_DEFORMATION_ORDER_SGIX = $8197;

  // GL_SGIX_reference_plane
  GL_REFERENCE_PLANE_SGIX = $817D;
  GL_REFERENCE_PLANE_EQUATION_SGIX = $817E;

  // GL_SGIX_resample
  GL_PACK_RESAMPLE_SGIX = $842C;
  GL_UNPACK_RESAMPLE_SGIX = $842D;
  GL_RESAMPLE_REPLICATE_SGIX = $842E;
  GL_RESAMPLE_ZERO_FILL_SGIX = $842F;
  GL_RESAMPLE_DECIMATE_SGIX = $8430;

  // GL_SGIX_scalebias_hint
  GL_SCALEBIAS_HINT_SGIX = $8322;

  // GL_SGIX_shadow
  GL_TEXTURE_COMPARE_SGIX = $819A;
  GL_TEXTURE_COMPARE_OPERATOR_SGIX = $819B;
  GL_TEXTURE_LEQUAL_R_SGIX = $819C;
  GL_TEXTURE_GEQUAL_R_SGIX = $819D;

  // GL_SGIX_shadow_ambient
  GL_SHADOW_AMBIENT_SGIX = $80BF;

  // GL_SGIX_sprite
  GL_SPRITE_SGIX = $8148;
  GL_SPRITE_MODE_SGIX = $8149;
  GL_SPRITE_AXIS_SGIX = $814A;
  GL_SPRITE_TRANSLATION_SGIX = $814B;
  GL_SPRITE_AXIAL_SGIX = $814C;
  GL_SPRITE_OBJECT_ALIGNED_SGIX = $814D;
  GL_SPRITE_EYE_ALIGNED_SGIX = $814E;

  // GL_SGIX_subsample
  GL_PACK_SUBSAMPLE_RATE_SGIX = $85A0;
  GL_UNPACK_SUBSAMPLE_RATE_SGIX = $85A1;
  GL_PIXEL_SUBSAMPLE_4444_SGIX = $85A2;
  GL_PIXEL_SUBSAMPLE_2424_SGIX = $85A3;
  GL_PIXEL_SUBSAMPLE_4242_SGIX = $85A4;

  // GL_SGIX_texture_add_env
  GL_TEXTURE_ENV_BIAS_SGIX = $80BE;

  // GL_SGIX_texture_coordinate_clamp
  GL_TEXTURE_MAX_CLAMP_S_SGIX = $8369;
  GL_TEXTURE_MAX_CLAMP_T_SGIX = $836A;
  GL_TEXTURE_MAX_CLAMP_R_SGIX = $836B;

  // GL_SGIX_texture_lod_bias
  GL_TEXTURE_LOD_BIAS_S_SGIX = $818E;
  GL_TEXTURE_LOD_BIAS_T_SGIX = $818F;
  GL_TEXTURE_LOD_BIAS_R_SGIX = $8190;

  // GL_SGIX_texture_multi_buffer
  GL_TEXTURE_MULTI_BUFFER_HINT_SGIX = $812E;

  // GL_SGIX_texture_scale_bias
  GL_POST_TEXTURE_FILTER_BIAS_SGIX = $8179;
  GL_POST_TEXTURE_FILTER_SCALE_SGIX = $817A;
  GL_POST_TEXTURE_FILTER_BIAS_RANGE_SGIX = $817B;
  GL_POST_TEXTURE_FILTER_SCALE_RANGE_SGIX = $817C;

  // GL_SGIX_vertex_preclip
  GL_VERTEX_PRECLIP_SGIX = $83EE;
  GL_VERTEX_PRECLIP_HINT_SGIX = $83EF;

  // GL_SGIX_ycrcb
  GL_YCRCB_422_SGIX = $81BB;
  GL_YCRCB_444_SGIX = $81BC;

  // GL_SGIX_ycrcba
  GL_YCRCB_SGIX = $8318;
  GL_YCRCBA_SGIX = $8319;

  // GL_SGI_color_matrix
  GL_COLOR_MATRIX_SGI = $80B1;
  GL_COLOR_MATRIX_STACK_DEPTH_SGI = $80B2;
  GL_MAX_COLOR_MATRIX_STACK_DEPTH_SGI = $80B3;
  GL_POST_COLOR_MATRIX_RED_SCALE_SGI = $80B4;
  GL_POST_COLOR_MATRIX_GREEN_SCALE_SGI = $80B5;
  GL_POST_COLOR_MATRIX_BLUE_SCALE_SGI = $80B6;
  GL_POST_COLOR_MATRIX_ALPHA_SCALE_SGI = $80B7;
  GL_POST_COLOR_MATRIX_RED_BIAS_SGI = $80B8;
  GL_POST_COLOR_MATRIX_GREEN_BIAS_SGI = $80B9;
  GL_POST_COLOR_MATRIX_BLUE_BIAS_SGI = $80BA;
  GL_POST_COLOR_MATRIX_ALPHA_BIAS_SGI = $80BB;

  // GL_SGI_color_table
  GL_COLOR_TABLE_SGI = $80D0;
  GL_POST_CONVOLUTION_COLOR_TABLE_SGI = $80D1;
  GL_POST_COLOR_MATRIX_COLOR_TABLE_SGI = $80D2;
  GL_PROXY_COLOR_TABLE_SGI = $80D3;
  GL_PROXY_POST_CONVOLUTION_COLOR_TABLE_SGI = $80D4;
  GL_PROXY_POST_COLOR_MATRIX_COLOR_TABLE_SGI = $80D5;
  GL_COLOR_TABLE_SCALE_SGI = $80D6;
  GL_COLOR_TABLE_BIAS_SGI = $80D7;
  GL_COLOR_TABLE_FORMAT_SGI = $80D8;
  GL_COLOR_TABLE_WIDTH_SGI = $80D9;
  GL_COLOR_TABLE_RED_SIZE_SGI = $80DA;
  GL_COLOR_TABLE_GREEN_SIZE_SGI = $80DB;
  GL_COLOR_TABLE_BLUE_SIZE_SGI = $80DC;
  GL_COLOR_TABLE_ALPHA_SIZE_SGI = $80DD;
  GL_COLOR_TABLE_LUMINANCE_SIZE_SGI = $80DE;
  GL_COLOR_TABLE_INTENSITY_SIZE_SGI = $80DF;

  // GL_SGI_depth_pass_instrument
  GL_DEPTH_PASS_INSTRUMENT_SGIX = $8310;
  GL_DEPTH_PASS_INSTRUMENT_COUNTERS_SGIX = $8311;
  GL_DEPTH_PASS_INSTRUMENT_MAX_SGIX = $8312;

  // GL_SGI_texture_color_table
  GL_TEXTURE_COLOR_TABLE_SGI = $80BC;
  GL_PROXY_TEXTURE_COLOR_TABLE_SGI = $80BD;

  // GL_SUNX_constant_data
  GL_UNPACK_CONSTANT_DATA_SUNX = $81D5;
  GL_TEXTURE_CONSTANT_DATA_SUNX = $81D6;

  // GL_SUN_convolution_border_modes
  GL_WRAP_BORDER_SUN = $81D4;

  // GL_SUN_global_alpha
  GL_GLOBAL_ALPHA_SUN = $81D9;
  GL_GLOBAL_ALPHA_FACTOR_SUN = $81DA;

  // GL_SUN_mesh_array
  GL_QUAD_MESH_SUN = $8614;
  GL_TRIANGLE_MESH_SUN = $8615;

  // GL_SUN_slice_accum
  GL_SLICE_ACCUM_SUN = $85CC;

  // GL_SUN_triangle_list
  GL_RESTART_SUN = $0001;
  GL_REPLACE_MIDDLE_SUN = $0002;
  GL_REPLACE_OLDEST_SUN = $0003;
  GL_TRIANGLE_LIST_SUN = $81D7;
  GL_REPLACEMENT_CODE_SUN = $81D8;
  GL_REPLACEMENT_CODE_ARRAY_SUN = $85C0;
  GL_REPLACEMENT_CODE_ARRAY_TYPE_SUN = $85C1;
  GL_REPLACEMENT_CODE_ARRAY_STRIDE_SUN = $85C2;
  GL_REPLACEMENT_CODE_ARRAY_POINTER_SUN = $85C3;
  GL_R1UI_V3F_SUN = $85C4;
  GL_R1UI_C4UB_V3F_SUN = $85C5;
  GL_R1UI_C3F_V3F_SUN = $85C6;
  GL_R1UI_N3F_V3F_SUN = $85C7;
  GL_R1UI_C4F_N3F_V3F_SUN = $85C8;
  GL_R1UI_T2F_V3F_SUN = $85C9;
  GL_R1UI_T2F_N3F_V3F_SUN = $85CA;
  GL_R1UI_T2F_C4F_N3F_V3F_SUN = $85CB;

  // GL_WIN_phong_shading
  GL_PHONG_WIN = $80EA;
  GL_PHONG_HINT_WIN = $80EB;

  // GL_WIN_specular_fog
  GL_FOG_SPECULAR_TEXTURE_WIN = $80EC;

  // GL_ARB_vertex_shader
  GL_VERTEX_SHADER_ARB = $8B31;
  GL_MAX_VERTEX_UNIFORM_COMPONENTS_ARB = $8B4A;
  GL_MAX_VARYING_FLOATS_ARB = $8B4B;
  GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS_ARB = $8B4C;
  GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS_ARB = $8B4D;
  GL_OBJECT_ACTIVE_ATTRIBUTES_ARB = $8B89;
  GL_OBJECT_ACTIVE_ATTRIBUTE_MAX_LENGTH_ARB = $8B8A;

  // GL_KHR_blend_equation_advanced
  GL_MULTIPLY_KHR = $9294;
  GL_SCREEN_KHR = $9295;
  GL_OVERLAY_KHR = $9296;
  GL_DARKEN_KHR = $9297;
  GL_LIGHTEN_KHR = $9298;
  GL_COLORDODGE_KHR = $9299;
  GL_COLORBURN_KHR = $929A;
  GL_HARDLIGHT_KHR = $929B;
  GL_SOFTLIGHT_KHR = $929C;
  GL_DIFFERENCE_KHR = $929E;
  GL_EXCLUSION_KHR = $92A0;
  GL_HSL_HUE_KHR = $92AD;
  GL_HSL_SATURATION_KHR = $92AE;
  GL_HSL_COLOR_KHR = $92AF;
  GL_HSL_LUMINOSITY_KHR = $92B0;

  // GL_KHR_blend_equation_advanced_coherent
  GL_BLEND_ADVANCED_COHERENT_KHR = $9285;

  // GL_KHR_robustness
  GL_CONTEXT_ROBUST_ACCESS = $90F3;

  // GL_KHR_no_error
  GL_CONTEXT_FLAG_NO_ERROR_BIT_KHR = $00000008;

  // GL_ARB_fragment_shader
  GL_FRAGMENT_SHADER_ARB = $8B30;
  GL_MAX_FRAGMENT_UNIFORM_COMPONENTS_ARB = $8B49; // 1.4
  GL_FRAGMENT_SHADER_DERIVATIVE_HINT_ARB = $8B8B; // 1.4

  // GL_ARB_occlusion_query
  GL_SAMPLES_PASSED_ARB = $8914;
  GL_QUERY_COUNTER_BITS_ARB = $8864;
  GL_CURRENT_QUERY_ARB = $8865;
  GL_QUERY_RESULT_ARB = $8866;
  GL_QUERY_RESULT_AVAILABLE_ARB = $8867;

  // GL_ARB_pipeline_statistics_query
  GL_VERTICES_SUBMITTED_ARB         = $82EE;
  GL_PRIMITIVES_SUBMITTED_ARB       = $82EF;
  GL_VERTEX_SHADER_INVOCATIONS_ARB  = $82F0;
  GL_TESS_CONTROL_SHADER_PATCHES_ARB = $82F1;
  GL_TESS_EVALUATION_SHADER_INVOCATIONS_ARB = $82F2;
  GL_GEOMETRY_SHADER_PRIMITIVES_EMITTED_ARB = $82F3;
  GL_FRAGMENT_SHADER_INVOCATIONS_ARB = $82F4;
  GL_COMPUTE_SHADER_INVOCATIONS_ARB = $82F5;
  GL_CLIPPING_INPUT_PRIMITIVES_ARB  = $82F6;
  GL_CLIPPING_OUTPUT_PRIMITIVES_ARB = $82F7;

  // GL_ARB_point_sprite
  GL_POINT_SPRITE_ARB = $8861;
  GL_COORD_REPLACE_ARB = $8862;

  // GL_ARB_shading_language_100
  GL_SHADING_LANGUAGE_VERSION_ARB = $8B8C; // 1.4

  // GL_ARB_shader_objects
  GL_PROGRAM_OBJECT_ARB = $8B40;

  GL_OBJECT_TYPE_ARB = $8B4E;
  GL_OBJECT_SUBTYPE_ARB = $8B4F;
  GL_OBJECT_DELETE_STATUS_ARB = $8B80;
  GL_OBJECT_COMPILE_STATUS_ARB = $8B81;
  GL_OBJECT_LINK_STATUS_ARB = $8B82;
  GL_OBJECT_VALIDATE_STATUS_ARB = $8B83;
  GL_OBJECT_INFO_LOG_LENGTH_ARB = $8B84;
  GL_OBJECT_ATTACHED_OBJECTS_ARB = $8B85;
  GL_OBJECT_ACTIVE_UNIFORMS_ARB = $8B86;
  GL_OBJECT_ACTIVE_UNIFORM_MAX_LENGTH_ARB = $8B87;
  GL_OBJECT_SHADER_SOURCE_LENGTH_ARB = $8B88;

  GL_SHADER_OBJECT_ARB = $8B48;

  GL_FLOAT_VEC2_ARB = $8B50;
  GL_FLOAT_VEC3_ARB = $8B51;
  GL_FLOAT_VEC4_ARB = $8B52;
  GL_INT_VEC2_ARB = $8B53;
  GL_INT_VEC3_ARB = $8B54;
  GL_INT_VEC4_ARB = $8B55;
  GL_BOOL_ARB = $8B56;
  GL_BOOL_VEC2_ARB = $8B57;
  GL_BOOL_VEC3_ARB = $8B58;
  GL_BOOL_VEC4_ARB = $8B59;
  GL_FLOAT_MAT2_ARB = $8B5A;
  GL_FLOAT_MAT3_ARB = $8B5B;
  GL_FLOAT_MAT4_ARB = $8B5C;
  GL_SAMPLER_1D_ARB = $8B5D;
  GL_SAMPLER_2D_ARB = $8B5E;
  GL_SAMPLER_3D_ARB = $8B5F;
  GL_SAMPLER_CUBE_ARB = $8B60;
  GL_SAMPLER_1D_SHADOW_ARB = $8B61;
  GL_SAMPLER_2D_SHADOW_ARB = $8B62;
  GL_SAMPLER_2D_RECT_ARB = $8B63;
  GL_SAMPLER_2D_RECT_SHADOW_ARB = $8B64;


implementation

end.