/* Copyright (c) 2002-2012 Croteam Ltd. 
This program is free software; you can redistribute it and/or modify
it under the terms of version 2 of the GNU General Public License as published by
the Free Software Foundation


This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */

#ifndef SE_INCL_GL_TYPES_H
#define SE_INCL_GL_TYPES_H
#ifdef PRAGMA_ONCE
  #pragma once
#endif

#if !PLATFORM_UNIX
#include <GLES2/gl2.h>
#else

/*
 *
 * Enumerations
 *
 */

/* !!! FIXME: rcg10042001 Christ I hope this are the same on the Linux ABI... */

typedef enum {
	/* Boolean values */
	GL_FALSE = 0,
	GL_TRUE	 = 1,

	/* Data types */
	GL_BYTE				    = 0x1400,
	GL_UNSIGNED_BYTE	= 0x1401,
	GL_SHORT			    = 0x1402,
	GL_UNSIGNED_SHORT	= 0x1403,
	GL_INT				    = 0x1404,
	GL_UNSIGNED_INT		= 0x1405,
	GL_FLOAT			    = 0x1406,
	GL_DOUBLE			    = 0x140A,
	GL_2_BYTES			  = 0x1407,
	GL_3_BYTES			  = 0x1408,
	GL_4_BYTES			  = 0x1409,

	/* Primitives */
	GL_LINES			= 0x0001,
	GL_POINTS			= 0x0000,
	GL_LINE_STRIP			= 0x0003,
	GL_LINE_LOOP			= 0x0002,
	GL_TRIANGLES			= 0x0004,
	GL_TRIANGLE_STRIP		= 0x0005,
	GL_TRIANGLE_FAN			= 0x0006,
	GL_QUADS			= 0x0007,
	GL_QUAD_STRIP			= 0x0008,
	GL_POLYGON			= 0x0009,
	GL_EDGE_FLAG			= 0x0B43,

	/* Vertex Arrays */
	GL_VERTEX_ARRAY			= 0x8074,
	GL_NORMAL_ARRAY			= 0x8075,
	GL_COLOR_ARRAY			= 0x8076,
	GL_INDEX_ARRAY			= 0x8077,
	GL_TEXTURE_COORD_ARRAY		= 0x8078,
	GL_EDGE_FLAG_ARRAY		= 0x8079,
	GL_VERTEX_ARRAY_SIZE		= 0x807A,
	GL_VERTEX_ARRAY_TYPE		= 0x807B,
	GL_VERTEX_ARRAY_STRIDE		= 0x807C,
	GL_NORMAL_ARRAY_TYPE		= 0x807E,
	GL_NORMAL_ARRAY_STRIDE		= 0x807F,
	GL_COLOR_ARRAY_SIZE		= 0x8081,
	GL_COLOR_ARRAY_TYPE		= 0x8082,
	GL_COLOR_ARRAY_STRIDE		= 0x8083,
	GL_INDEX_ARRAY_TYPE		= 0x8085,
	GL_INDEX_ARRAY_STRIDE		= 0x8086,
	GL_TEXTURE_COORD_ARRAY_SIZE	= 0x8088,
	GL_TEXTURE_COORD_ARRAY_TYPE	= 0x8089,
	GL_TEXTURE_COORD_ARRAY_STRIDE	= 0x808A,
	GL_EDGE_FLAG_ARRAY_STRIDE	= 0x808C,
	GL_VERTEX_ARRAY_POINTER		= 0x808E,
	GL_NORMAL_ARRAY_POINTER		= 0x808F,
	GL_COLOR_ARRAY_POINTER		= 0x8090,
	GL_INDEX_ARRAY_POINTER		= 0x8091,
	GL_TEXTURE_COORD_ARRAY_POINTER	= 0x8092,
	GL_EDGE_FLAG_ARRAY_POINTER	= 0x8093,
	GL_V2F				= 0x2A20,
	GL_V3F				= 0x2A21,
	GL_C4UB_V2F			= 0x2A22,
	GL_C4UB_V3F			= 0x2A23,
	GL_C3F_V3F			= 0x2A24,
	GL_N3F_V3F			= 0x2A25,
	GL_C4F_N3F_V3F			= 0x2A26,
	GL_T2F_V3F			= 0x2A27,
	GL_T4F_V4F			= 0x2A28,
	GL_T2F_C4UB_V3F			= 0x2A29,
	GL_T2F_C3F_V3F			= 0x2A2A,
	GL_T2F_N3F_V3F			= 0x2A2B,
	GL_T2F_C4F_N3F_V3F		= 0x2A2C,
	GL_T4F_C4F_N3F_V4F		= 0x2A2D,

	/* Matrix Mode */
	GL_MATRIX_MODE			= 0x0BA0,
	GL_MODELVIEW			= 0x1700,
	GL_PROJECTION			= 0x1701,
	GL_TEXTURE			= 0x1702,

	/* Points */
	GL_POINT_SMOOTH			= 0x0B10,
	GL_POINT_SIZE			= 0x0B11,
	GL_POINT_SIZE_GRANULARITY 	= 0x0B13,
	GL_POINT_SIZE_RANGE		= 0x0B12,

	/* Lines */
	GL_LINE_SMOOTH			= 0x0B20,
	GL_LINE_STIPPLE			= 0x0B24,
	GL_LINE_STIPPLE_PATTERN		= 0x0B25,
	GL_LINE_STIPPLE_REPEAT		= 0x0B26,
	GL_LINE_WIDTH			= 0x0B21,
	GL_LINE_WIDTH_GRANULARITY	= 0x0B23,
	GL_LINE_WIDTH_RANGE		= 0x0B22,

	/* Polygons */
	GL_POINT			= 0x1B00,
	GL_LINE				= 0x1B01,
	GL_FILL				= 0x1B02,
	GL_CCW				= 0x0901,
	GL_CW				= 0x0900,
	GL_FRONT			= 0x0404,
	GL_BACK				= 0x0405,
	GL_CULL_FACE			= 0x0B44,
	GL_CULL_FACE_MODE		= 0x0B45,
	GL_POLYGON_SMOOTH		= 0x0B41,
	GL_POLYGON_STIPPLE		= 0x0B42,
	GL_FRONT_FACE			= 0x0B46,
	GL_POLYGON_MODE			= 0x0B40,
	GL_POLYGON_OFFSET_FACTOR	= 0x8038,
	GL_POLYGON_OFFSET_UNITS		= 0x2A00,
	GL_POLYGON_OFFSET_POINT		= 0x2A01,
	GL_POLYGON_OFFSET_LINE		= 0x2A02,
	GL_POLYGON_OFFSET_FILL		= 0x8037,

	/* Display Lists */
	GL_COMPILE			= 0x1300,
	GL_COMPILE_AND_EXECUTE		= 0x1301,
	GL_LIST_BASE			= 0x0B32,
	GL_LIST_INDEX			= 0x0B33,
	GL_LIST_MODE			= 0x0B30,

	/* Depth buffer */
	GL_NEVER			= 0x0200,
	GL_LESS				= 0x0201,
	GL_GEQUAL			= 0x0206,
	GL_LEQUAL			= 0x0203,
	GL_GREATER			= 0x0204,
	GL_NOTEQUAL			= 0x0205,
	GL_EQUAL			= 0x0202,
	GL_ALWAYS			= 0x0207,
	GL_DEPTH_TEST			= 0x0B71,
	GL_DEPTH_BITS			= 0x0D56,
	GL_DEPTH_CLEAR_VALUE		= 0x0B73,
	GL_DEPTH_FUNC			= 0x0B74,
	GL_DEPTH_RANGE			= 0x0B70,
	GL_DEPTH_WRITEMASK		= 0x0B72,
	GL_DEPTH_COMPONENT		= 0x1902,

	/* Lighting */
	GL_LIGHTING			= 0x0B50,
	GL_LIGHT0			= 0x4000,
	GL_LIGHT1			= 0x4001,
	GL_LIGHT2			= 0x4002,
	GL_LIGHT3			= 0x4003,
	GL_LIGHT4			= 0x4004,
	GL_LIGHT5			= 0x4005,
	GL_LIGHT6			= 0x4006,
	GL_LIGHT7			= 0x4007,
	GL_SPOT_EXPONENT		= 0x1205,
	GL_SPOT_CUTOFF			= 0x1206,
	GL_CONSTANT_ATTENUATION		= 0x1207,
	GL_LINEAR_ATTENUATION		= 0x1208,
	GL_QUADRATIC_ATTENUATION	= 0x1209,
	GL_AMBIENT			= 0x1200,
	GL_DIFFUSE			= 0x1201,
	GL_SPECULAR			= 0x1202,
	GL_SHININESS			= 0x1601,
	GL_EMISSION			= 0x1600,
	GL_POSITION			= 0x1203,
	GL_SPOT_DIRECTION		= 0x1204,
	GL_AMBIENT_AND_DIFFUSE		= 0x1602,
	GL_COLOR_INDEXES		= 0x1603,
	GL_LIGHT_MODEL_TWO_SIDE		= 0x0B52,
	GL_LIGHT_MODEL_LOCAL_VIEWER	= 0x0B51,
	GL_LIGHT_MODEL_AMBIENT		= 0x0B53,
	GL_FRONT_AND_BACK		= 0x0408,
	GL_SHADE_MODEL			= 0x0B54,
	GL_FLAT				= 0x1D00,
	GL_SMOOTH			= 0x1D01,
	GL_COLOR_MATERIAL		= 0x0B57,
	GL_COLOR_MATERIAL_FACE		= 0x0B55,
	GL_COLOR_MATERIAL_PARAMETER	= 0x0B56,
	GL_NORMALIZE			= 0x0BA1,

	/* User clipping planes */
	GL_CLIP_PLANE0			= 0x3000,
	GL_CLIP_PLANE1			= 0x3001,
	GL_CLIP_PLANE2			= 0x3002,
	GL_CLIP_PLANE3			= 0x3003,
	GL_CLIP_PLANE4			= 0x3004,
	GL_CLIP_PLANE5			= 0x3005,

	/* Accumulation buffer */
	GL_ACCUM_RED_BITS		= 0x0D58,
	GL_ACCUM_GREEN_BITS		= 0x0D59,
	GL_ACCUM_BLUE_BITS		= 0x0D5A,
	GL_ACCUM_ALPHA_BITS		= 0x0D5B,
	GL_ACCUM_CLEAR_VALUE		= 0x0B80,
	GL_ACCUM			= 0x0100,
	GL_ADD				= 0x0104,
	GL_LOAD				= 0x0101,
	GL_MULT				= 0x0103,
	GL_RETURN			= 0x0102,

	/* Alpha testing */
	GL_ALPHA_TEST			= 0x0BC0,
	GL_ALPHA_TEST_REF		= 0x0BC2,
	GL_ALPHA_TEST_FUNC		= 0x0BC1,

	/* Blending */
	GL_BLEND			= 0x0BE2,
	GL_BLEND_SRC			= 0x0BE1,
	GL_BLEND_DST			= 0x0BE0,
	GL_ZERO				= 0,
	GL_ONE				= 1,
	GL_SRC_COLOR			= 0x0300,
	GL_ONE_MINUS_SRC_COLOR		= 0x0301,
	GL_DST_COLOR			= 0x0306,
	GL_ONE_MINUS_DST_COLOR		= 0x0307,
	GL_SRC_ALPHA			= 0x0302,
	GL_ONE_MINUS_SRC_ALPHA		= 0x0303,
	GL_DST_ALPHA			= 0x0304,
	GL_ONE_MINUS_DST_ALPHA		= 0x0305,
	GL_SRC_ALPHA_SATURATE		= 0x0308,
	GL_CONSTANT_COLOR		= 0x8001,
	GL_ONE_MINUS_CONSTANT_COLOR	= 0x8002,
	GL_CONSTANT_ALPHA		= 0x8003,
	GL_ONE_MINUS_CONSTANT_ALPHA	= 0x8004,

	/* Render Mode */
	GL_FEEDBACK			= 0x1C01,
	GL_RENDER			= 0x1C00,
	GL_SELECT			= 0x1C02,

	/* Feedback */
	GL_2D				= 0x0600,
	GL_3D				= 0x0601,
	GL_3D_COLOR			= 0x0602,
	GL_3D_COLOR_TEXTURE		= 0x0603,
	GL_4D_COLOR_TEXTURE		= 0x0604,
	GL_POINT_TOKEN			= 0x0701,
	GL_LINE_TOKEN			= 0x0702,
	GL_LINE_RESET_TOKEN		= 0x0707,
	GL_POLYGON_TOKEN		= 0x0703,
	GL_BITMAP_TOKEN			= 0x0704,
	GL_DRAW_PIXEL_TOKEN		= 0x0705,
	GL_COPY_PIXEL_TOKEN		= 0x0706,
	GL_PASS_THROUGH_TOKEN		= 0x0700,
	GL_FEEDBACK_BUFFER_POINTER	= 0x0DF0,
	GL_FEEDBACK_BUFFER_SIZE		= 0x0DF1,
	GL_FEEDBACK_BUFFER_TYPE		= 0x0DF2,

	/* Selection */
	GL_SELECTION_BUFFER_POINTER	= 0x0DF3,
	GL_SELECTION_BUFFER_SIZE	= 0x0DF4,

	/* Fog */
	GL_FOG				= 0x0B60,
	GL_FOG_MODE			= 0x0B65,
	GL_FOG_DENSITY			= 0x0B62,
	GL_FOG_COLOR			= 0x0B66,
	GL_FOG_INDEX			= 0x0B61,
	GL_FOG_START			= 0x0B63,
	GL_FOG_END			= 0x0B64,
	GL_LINEAR			= 0x2601,
	GL_EXP				= 0x0800,
	GL_EXP2				= 0x0801,

	/* Logic Ops */
	GL_LOGIC_OP			= 0x0BF1,
	GL_INDEX_LOGIC_OP		= 0x0BF1,
	GL_COLOR_LOGIC_OP		= 0x0BF2,
	GL_LOGIC_OP_MODE		= 0x0BF0,
	GL_CLEAR			= 0x1500,
	GL_SET				= 0x150F,
	GL_COPY				= 0x1503,
	GL_COPY_INVERTED		= 0x150C,
	GL_NOOP				= 0x1505,
	GL_INVERT			= 0x150A,
	GL_AND				= 0x1501,
	GL_NAND				= 0x150E,
	GL_OR				= 0x1507,
	GL_NOR				= 0x1508,
	GL_XOR				= 0x1506,
	GL_EQUIV			= 0x1509,
	GL_AND_REVERSE			= 0x1502,
	GL_AND_INVERTED			= 0x1504,
	GL_OR_REVERSE			= 0x150B,
	GL_OR_INVERTED			= 0x150D,

	/* Stencil */
	GL_STENCIL_TEST			= 0x0B90,
	GL_STENCIL_WRITEMASK		= 0x0B98,
	GL_STENCIL_BITS			= 0x0D57,
	GL_STENCIL_FUNC			= 0x0B92,
	GL_STENCIL_VALUE_MASK		= 0x0B93,
	GL_STENCIL_REF			= 0x0B97,
	GL_STENCIL_FAIL			= 0x0B94,
	GL_STENCIL_PASS_DEPTH_PASS	= 0x0B96,
	GL_STENCIL_PASS_DEPTH_FAIL	= 0x0B95,
	GL_STENCIL_CLEAR_VALUE		= 0x0B91,
	GL_STENCIL_INDEX		= 0x1901,
	GL_KEEP				= 0x1E00,
	GL_REPLACE			= 0x1E01,
	GL_INCR				= 0x1E02,
	GL_DECR				= 0x1E03,

	/* Buffers, Pixel Drawing/Reading */
	GL_NONE				= 0,
	GL_LEFT				= 0x0406,
	GL_RIGHT			= 0x0407,
	/*GL_FRONT			= 0x0404, */
	/*GL_BACK			= 0x0405, */
	/*GL_FRONT_AND_BACK		= 0x0408, */
	GL_FRONT_LEFT			= 0x0400,
	GL_FRONT_RIGHT			= 0x0401,
	GL_BACK_LEFT			= 0x0402,
	GL_BACK_RIGHT			= 0x0403,
	GL_AUX0				= 0x0409,
	GL_AUX1				= 0x040A,
	GL_AUX2				= 0x040B,
	GL_AUX3				= 0x040C,
	GL_COLOR_INDEX			= 0x1900,
	GL_RED				= 0x1903,
	GL_GREEN			= 0x1904,
	GL_BLUE				= 0x1905,
	GL_ALPHA			= 0x1906,
	GL_LUMINANCE			= 0x1909,
	GL_LUMINANCE_ALPHA		= 0x190A,
	GL_ALPHA_BITS			= 0x0D55,
	GL_RED_BITS			= 0x0D52,
	GL_GREEN_BITS			= 0x0D53,
	GL_BLUE_BITS			= 0x0D54,
	GL_INDEX_BITS			= 0x0D51,
	GL_SUBPIXEL_BITS		= 0x0D50,
	GL_AUX_BUFFERS			= 0x0C00,
	GL_READ_BUFFER			= 0x0C02,
	GL_DRAW_BUFFER			= 0x0C01,
	GL_DOUBLEBUFFER			= 0x0C32,
	GL_STEREO			= 0x0C33,
	GL_BITMAP			= 0x1A00,
	GL_COLOR			= 0x1800,
	GL_DEPTH			= 0x1801,
	GL_STENCIL			= 0x1802,
	GL_DITHER			= 0x0BD0,
	GL_RGB				= 0x1907,
	GL_RGBA				= 0x1908,

	/* Implementation limits */
	GL_MAX_LIST_NESTING		= 0x0B31,
	GL_MAX_ATTRIB_STACK_DEPTH	= 0x0D35,
	GL_MAX_MODELVIEW_STACK_DEPTH	= 0x0D36,
	GL_MAX_NAME_STACK_DEPTH		= 0x0D37,
	GL_MAX_PROJECTION_STACK_DEPTH	= 0x0D38,
	GL_MAX_TEXTURE_STACK_DEPTH	= 0x0D39,
	GL_MAX_EVAL_ORDER		= 0x0D30,
	GL_MAX_LIGHTS			= 0x0D31,
	GL_MAX_CLIP_PLANES		= 0x0D32,
	GL_MAX_TEXTURE_SIZE		= 0x0D33,
	GL_MAX_PIXEL_MAP_TABLE		= 0x0D34,
	GL_MAX_VIEWPORT_DIMS		= 0x0D3A,
	GL_MAX_CLIENT_ATTRIB_STACK_DEPTH= 0x0D3B,

	/* Gets */
	GL_ATTRIB_STACK_DEPTH		= 0x0BB0,
	GL_CLIENT_ATTRIB_STACK_DEPTH	= 0x0BB1,
	GL_COLOR_CLEAR_VALUE		= 0x0C22,
	GL_COLOR_WRITEMASK		= 0x0C23,
	GL_CURRENT_INDEX		= 0x0B01,
	GL_CURRENT_COLOR		= 0x0B00,
	GL_CURRENT_NORMAL		= 0x0B02,
	GL_CURRENT_RASTER_COLOR		= 0x0B04,
	GL_CURRENT_RASTER_DISTANCE	= 0x0B09,
	GL_CURRENT_RASTER_INDEX		= 0x0B05,
	GL_CURRENT_RASTER_POSITION	= 0x0B07,
	GL_CURRENT_RASTER_TEXTURE_COORDS = 0x0B06,
	GL_CURRENT_RASTER_POSITION_VALID = 0x0B08,
	GL_CURRENT_TEXTURE_COORDS	= 0x0B03,
	GL_INDEX_CLEAR_VALUE		= 0x0C20,
	GL_INDEX_MODE			= 0x0C30,
	GL_INDEX_WRITEMASK		= 0x0C21,
	GL_MODELVIEW_MATRIX		= 0x0BA6,
	GL_MODELVIEW_STACK_DEPTH	= 0x0BA3,
	GL_NAME_STACK_DEPTH		= 0x0D70,
	GL_PROJECTION_MATRIX		= 0x0BA7,
	GL_PROJECTION_STACK_DEPTH	= 0x0BA4,
	GL_RENDER_MODE			= 0x0C40,
	GL_RGBA_MODE			= 0x0C31,
	GL_TEXTURE_MATRIX		= 0x0BA8,
	GL_TEXTURE_STACK_DEPTH		= 0x0BA5,
	GL_VIEWPORT			= 0x0BA2,


	/* Evaluators */
	GL_AUTO_NORMAL			= 0x0D80,
	GL_MAP1_COLOR_4			= 0x0D90,
	GL_MAP1_GRID_DOMAIN		= 0x0DD0,
	GL_MAP1_GRID_SEGMENTS		= 0x0DD1,
	GL_MAP1_INDEX			= 0x0D91,
	GL_MAP1_NORMAL			= 0x0D92,
	GL_MAP1_TEXTURE_COORD_1		= 0x0D93,
	GL_MAP1_TEXTURE_COORD_2		= 0x0D94,
	GL_MAP1_TEXTURE_COORD_3		= 0x0D95,
	GL_MAP1_TEXTURE_COORD_4		= 0x0D96,
	GL_MAP1_VERTEX_3		= 0x0D97,
	GL_MAP1_VERTEX_4		= 0x0D98,
	GL_MAP2_COLOR_4			= 0x0DB0,
	GL_MAP2_GRID_DOMAIN		= 0x0DD2,
	GL_MAP2_GRID_SEGMENTS		= 0x0DD3,
	GL_MAP2_INDEX			= 0x0DB1,
	GL_MAP2_NORMAL			= 0x0DB2,
	GL_MAP2_TEXTURE_COORD_1		= 0x0DB3,
	GL_MAP2_TEXTURE_COORD_2		= 0x0DB4,
	GL_MAP2_TEXTURE_COORD_3		= 0x0DB5,
	GL_MAP2_TEXTURE_COORD_4		= 0x0DB6,
	GL_MAP2_VERTEX_3		= 0x0DB7,
	GL_MAP2_VERTEX_4		= 0x0DB8,
	GL_COEFF			= 0x0A00,
	GL_DOMAIN			= 0x0A02,
	GL_ORDER			= 0x0A01,

	/* Hints */
	GL_FOG_HINT			= 0x0C54,
	GL_LINE_SMOOTH_HINT		= 0x0C52,
	GL_PERSPECTIVE_CORRECTION_HINT	= 0x0C50,
	GL_POINT_SMOOTH_HINT		= 0x0C51,
	GL_POLYGON_SMOOTH_HINT		= 0x0C53,
	GL_DONT_CARE			= 0x1100,
	GL_FASTEST			= 0x1101,
	GL_NICEST			= 0x1102,

	/* Scissor box */
	GL_SCISSOR_TEST			= 0x0C11,
	GL_SCISSOR_BOX			= 0x0C10,

	/* Pixel Mode / Transfer */
	GL_MAP_COLOR			= 0x0D10,
	GL_MAP_STENCIL			= 0x0D11,
	GL_INDEX_SHIFT			= 0x0D12,
	GL_INDEX_OFFSET			= 0x0D13,
	GL_RED_SCALE			= 0x0D14,
	GL_RED_BIAS			= 0x0D15,
	GL_GREEN_SCALE			= 0x0D18,
	GL_GREEN_BIAS			= 0x0D19,
	GL_BLUE_SCALE			= 0x0D1A,
	GL_BLUE_BIAS			= 0x0D1B,
	GL_ALPHA_SCALE			= 0x0D1C,
	GL_ALPHA_BIAS			= 0x0D1D,
	GL_DEPTH_SCALE			= 0x0D1E,
	GL_DEPTH_BIAS			= 0x0D1F,
	GL_PIXEL_MAP_S_TO_S_SIZE	= 0x0CB1,
	GL_PIXEL_MAP_I_TO_I_SIZE	= 0x0CB0,
	GL_PIXEL_MAP_I_TO_R_SIZE	= 0x0CB2,
	GL_PIXEL_MAP_I_TO_G_SIZE	= 0x0CB3,
	GL_PIXEL_MAP_I_TO_B_SIZE	= 0x0CB4,
	GL_PIXEL_MAP_I_TO_A_SIZE	= 0x0CB5,
	GL_PIXEL_MAP_R_TO_R_SIZE	= 0x0CB6,
	GL_PIXEL_MAP_G_TO_G_SIZE	= 0x0CB7,
	GL_PIXEL_MAP_B_TO_B_SIZE	= 0x0CB8,
	GL_PIXEL_MAP_A_TO_A_SIZE	= 0x0CB9,
	GL_PIXEL_MAP_S_TO_S		= 0x0C71,
	GL_PIXEL_MAP_I_TO_I		= 0x0C70,
	GL_PIXEL_MAP_I_TO_R		= 0x0C72,
	GL_PIXEL_MAP_I_TO_G		= 0x0C73,
	GL_PIXEL_MAP_I_TO_B		= 0x0C74,
	GL_PIXEL_MAP_I_TO_A		= 0x0C75,
	GL_PIXEL_MAP_R_TO_R		= 0x0C76,
	GL_PIXEL_MAP_G_TO_G		= 0x0C77,
	GL_PIXEL_MAP_B_TO_B		= 0x0C78,
	GL_PIXEL_MAP_A_TO_A		= 0x0C79,
	GL_PACK_ALIGNMENT		= 0x0D05,
	GL_PACK_LSB_FIRST		= 0x0D01,
	GL_PACK_ROW_LENGTH		= 0x0D02,
	GL_PACK_SKIP_PIXELS		= 0x0D04,
	GL_PACK_SKIP_ROWS		= 0x0D03,
	GL_PACK_SWAP_BYTES		= 0x0D00,
	GL_UNPACK_ALIGNMENT		= 0x0CF5,
	GL_UNPACK_LSB_FIRST		= 0x0CF1,
	GL_UNPACK_ROW_LENGTH		= 0x0CF2,
	GL_UNPACK_SKIP_PIXELS		= 0x0CF4,
	GL_UNPACK_SKIP_ROWS		= 0x0CF3,
	GL_UNPACK_SWAP_BYTES		= 0x0CF0,
	GL_ZOOM_X			= 0x0D16,
	GL_ZOOM_Y			= 0x0D17,

	/* Texture mapping */
	GL_TEXTURE_ENV			= 0x2300,
	GL_TEXTURE_ENV_MODE		= 0x2200,
	GL_TEXTURE_1D			= 0x0DE0,
	GL_TEXTURE_2D			= 0x0DE1,
	GL_TEXTURE_WRAP_S		= 0x2802,
	GL_TEXTURE_WRAP_T		= 0x2803,
	GL_TEXTURE_MAG_FILTER		= 0x2800,
	GL_TEXTURE_MIN_FILTER		= 0x2801,
	GL_TEXTURE_ENV_COLOR		= 0x2201,
	GL_TEXTURE_GEN_S		= 0x0C60,
	GL_TEXTURE_GEN_T		= 0x0C61,
	GL_TEXTURE_GEN_MODE		= 0x2500,
	GL_TEXTURE_BORDER_COLOR		= 0x1004,
	GL_TEXTURE_WIDTH		= 0x1000,
	GL_TEXTURE_HEIGHT		= 0x1001,
	GL_TEXTURE_BORDER		= 0x1005,
	GL_TEXTURE_COMPONENTS		= 0x1003,
	GL_TEXTURE_RED_SIZE		= 0x805C,
	GL_TEXTURE_GREEN_SIZE		= 0x805D,
	GL_TEXTURE_BLUE_SIZE		= 0x805E,
	GL_TEXTURE_ALPHA_SIZE		= 0x805F,
	GL_TEXTURE_LUMINANCE_SIZE	= 0x8060,
	GL_TEXTURE_INTENSITY_SIZE	= 0x8061,
	GL_NEAREST_MIPMAP_NEAREST	= 0x2700,
	GL_NEAREST_MIPMAP_LINEAR	= 0x2702,
	GL_LINEAR_MIPMAP_NEAREST	= 0x2701,
	GL_LINEAR_MIPMAP_LINEAR		= 0x2703,
	GL_OBJECT_LINEAR		= 0x2401,
	GL_OBJECT_PLANE			= 0x2501,
	GL_EYE_LINEAR			= 0x2400,
	GL_EYE_PLANE			= 0x2502,
	GL_SPHERE_MAP			= 0x2402,
	GL_DECAL			= 0x2101,
	GL_MODULATE			= 0x2100,
	GL_NEAREST			= 0x2600,
	GL_REPEAT			= 0x2901,
	GL_CLAMP			= 0x2900,
	GL_S				= 0x2000,
	GL_T				= 0x2001,
	GL_R				= 0x2002,
	GL_Q				= 0x2003,
	GL_TEXTURE_GEN_R		= 0x0C62,
	GL_TEXTURE_GEN_Q		= 0x0C63,

	/* GL 1.1 texturing */
	GL_PROXY_TEXTURE_1D		= 0x8063,
	GL_PROXY_TEXTURE_2D		= 0x8064,
	GL_TEXTURE_PRIORITY		= 0x8066,
	GL_TEXTURE_RESIDENT		= 0x8067,
	GL_TEXTURE_BINDING_1D		= 0x8068,
	GL_TEXTURE_BINDING_2D		= 0x8069,
	GL_TEXTURE_INTERNAL_FORMAT	= 0x1003,

	/* GL 1.2 texturing */
	GL_PACK_SKIP_IMAGES		= 0x806B,
	GL_PACK_IMAGE_HEIGHT		= 0x806C,
	GL_UNPACK_SKIP_IMAGES		= 0x806D,
	GL_UNPACK_IMAGE_HEIGHT		= 0x806E,
	GL_TEXTURE_3D			= 0x806F,
	GL_PROXY_TEXTURE_3D		= 0x8070,
	GL_TEXTURE_DEPTH		= 0x8071,
	GL_TEXTURE_WRAP_R		= 0x8072,
	GL_MAX_3D_TEXTURE_SIZE		= 0x8073,
	GL_TEXTURE_BINDING_3D		= 0x806A,

	/* Internal texture formats (GL 1.1) */
	GL_ALPHA4	  = 0x803B,
	GL_ALPHA8		= 0x803C,
	GL_ALPHA12	= 0x803D,
	GL_ALPHA16	= 0x803E,
	GL_LUMINANCE4		= 0x803F,
	GL_LUMINANCE8		= 0x8040,
	GL_LUMINANCE12	= 0x8041,
	GL_LUMINANCE16	= 0x8042,
	GL_LUMINANCE4_ALPHA4		= 0x8043,
	GL_LUMINANCE6_ALPHA2		= 0x8044,
	GL_LUMINANCE8_ALPHA8		= 0x8045,
	GL_LUMINANCE12_ALPHA4		= 0x8046,
	GL_LUMINANCE12_ALPHA12  = 0x8047,
	GL_LUMINANCE16_ALPHA16  = 0x8048,
	GL_INTENSITY		= 0x8049,
	GL_INTENSITY4		= 0x804A,
	GL_INTENSITY8		= 0x804B,
	GL_INTENSITY12	= 0x804C,
	GL_INTENSITY16	= 0x804D,
	GL_R3_G3_B2		= 0x2A10,
	GL_RGB4				= 0x804F,
	GL_RGB5				= 0x8050,
	GL_RGB8				= 0x8051,
	GL_RGB10			= 0x8052,
	GL_RGB12			= 0x8053,
	GL_RGB16			= 0x8054,
	GL_RGBA2			= 0x8055,
	GL_RGBA4			= 0x8056,
	GL_RGB5_A1		= 0x8057,
	GL_RGBA8			= 0x8058,
	GL_RGB10_A2	  = 0x8059,
	GL_RGBA12			= 0x805A,
	GL_RGBA16			= 0x805B,

  // GL_S3_s3tc
  GL_RGB_S3TC                               = 0x83A0,
  GL_RGB4_S3TC                              = 0x83A1,
  GL_RGBA_S3TC                              = 0x83A2,
  GL_COMPRESSED_RGB_S3TC                    = GL_RGB_S3TC,
  GL_COMPRESSED_RGB4_S3TC                   = GL_RGB4_S3TC,
  GL_COMPRESSED_RGBA_S3TC                   = GL_RGBA_S3TC,
  GL_COMPRESSED_LUMINANCE_S3TC              = 0x83A3,
  GL_COMPRESSED_LUMINANCE_ALPHA_S3TC        = 0x83A4,
  GL_COMPRESSED_RGB4_COMPRESSED_ALPHA4_S3TC = 0x83A5,
  GL_COMPRESSED_RGB4_ALPHA4_S3TC            = 0x83A6,
  GL_COMPRESSED_LUMINANCE4_S3TC             = 0x83A7,
  GL_COMPRESSED_LUMINANCE4_ALPHA_S3TC       = 0x83A8,

  // GL_EXT_texture_compression_s3tc
  GL_COMPRESSED_RGB_S3TC_DXT1_EXT  = 0x83F0,
  GL_COMPRESSED_RGBA_S3TC_DXT1_EXT = 0x83F1,
  GL_COMPRESSED_RGBA_S3TC_DXT3_EXT = 0x83F2,
  GL_COMPRESSED_RGBA_S3TC_DXT5_EXT = 0x83F3,

  // GL_3DFX_texture_compression_FXT1
  GL_COMPRESSED_RGB_FXT1_3DFX	 = 0x86B0,
	GL_COMPRESSED_RGBA_FXT1_3DFX = 0x86B1,

  // GL_ARB_texture_compression
  GL_COMPRESSED_ALPHA_ARB				    = 0x84E9,
  GL_COMPRESSED_LUMINANCE_ARB			  = 0x84EA,
  GL_COMPRESSED_LUMINANCE_ALPHA_ARB	=	0x84EB,
  GL_COMPRESSED_INTENSITY_ARB			  = 0x84EC,
  GL_COMPRESSED_RGB_ARB				      = 0x84ED,
  GL_COMPRESSED_RGBA_ARB				    = 0x84EE,

  GL_TEXTURE_COMPRESSION_HINT_ARB   =	0x84EF,

  GL_TEXTURE_COMPRESSED_IMAGE_SIZE_ARB  = 0x86A0,
  GL_TEXTURE_COMPRESSED_ARB				      = 0x86A1,
  GL_NUM_COMPRESSED_TEXTURE_FORMATS_ARB	= 0x86A2,
  GL_COMPRESSED_TEXTURE_FORMATS_ARB			= 0x86A3,


	/* Utility */
	GL_VENDOR			= 0x1F00,
	GL_RENDERER		= 0x1F01,
	GL_VERSION		= 0x1F02,
	GL_EXTENSIONS	= 0x1F03,

	/* Errors */
	GL_INVALID_VALUE		= 0x0501,
	GL_INVALID_ENUM			= 0x0500,
	GL_INVALID_OPERATION		= 0x0502,
	GL_STACK_OVERFLOW		= 0x0503,
	GL_STACK_UNDERFLOW		= 0x0504,
	GL_OUT_OF_MEMORY		= 0x0505,

	/*
	 * Extensions
	 */

	/* GL_EXT_blend_minmax and GL_EXT_blend_color */
	GL_CONSTANT_COLOR_EXT			= 0x8001,
	GL_ONE_MINUS_CONSTANT_COLOR_EXT		= 0x8002,
	GL_CONSTANT_ALPHA_EXT			= 0x8003,
	GL_ONE_MINUS_CONSTANT_ALPHA_EXT		= 0x8004,
	GL_BLEND_EQUATION_EXT			= 0x8009,
	GL_MIN_EXT				= 0x8007,
	GL_MAX_EXT				= 0x8008,
	GL_FUNC_ADD_EXT				= 0x8006,
	GL_FUNC_SUBTRACT_EXT			= 0x800A,
	GL_FUNC_REVERSE_SUBTRACT_EXT		= 0x800B,
	GL_BLEND_COLOR_EXT			= 0x8005,

	/* GL_EXT_polygon_offset */
	GL_POLYGON_OFFSET_EXT			= 0x8037,
	GL_POLYGON_OFFSET_FACTOR_EXT		= 0x8038,
	GL_POLYGON_OFFSET_BIAS_EXT		= 0x8039,

	/* GL_EXT_vertex_array */
	GL_VERTEX_ARRAY_EXT			= 0x8074,
	GL_NORMAL_ARRAY_EXT			= 0x8075,
	GL_COLOR_ARRAY_EXT			= 0x8076,
	GL_INDEX_ARRAY_EXT			= 0x8077,
	GL_TEXTURE_COORD_ARRAY_EXT		= 0x8078,
	GL_EDGE_FLAG_ARRAY_EXT			= 0x8079,
	GL_VERTEX_ARRAY_SIZE_EXT		= 0x807A,
	GL_VERTEX_ARRAY_TYPE_EXT		= 0x807B,
	GL_VERTEX_ARRAY_STRIDE_EXT		= 0x807C,
	GL_VERTEX_ARRAY_COUNT_EXT		= 0x807D,
	GL_NORMAL_ARRAY_TYPE_EXT		= 0x807E,
	GL_NORMAL_ARRAY_STRIDE_EXT		= 0x807F,
	GL_NORMAL_ARRAY_COUNT_EXT		= 0x8080,
	GL_COLOR_ARRAY_SIZE_EXT			= 0x8081,
	GL_COLOR_ARRAY_TYPE_EXT			= 0x8082,
	GL_COLOR_ARRAY_STRIDE_EXT		= 0x8083,
	GL_COLOR_ARRAY_COUNT_EXT		= 0x8084,
	GL_INDEX_ARRAY_TYPE_EXT			= 0x8085,
	GL_INDEX_ARRAY_STRIDE_EXT		= 0x8086,
	GL_INDEX_ARRAY_COUNT_EXT		= 0x8087,
	GL_TEXTURE_COORD_ARRAY_SIZE_EXT		= 0x8088,
	GL_TEXTURE_COORD_ARRAY_TYPE_EXT		= 0x8089,
	GL_TEXTURE_COORD_ARRAY_STRIDE_EXT	= 0x808A,
	GL_TEXTURE_COORD_ARRAY_COUNT_EXT	= 0x808B,
	GL_EDGE_FLAG_ARRAY_STRIDE_EXT		= 0x808C,
	GL_EDGE_FLAG_ARRAY_COUNT_EXT		= 0x808D,
	GL_VERTEX_ARRAY_POINTER_EXT		= 0x808E,
	GL_NORMAL_ARRAY_POINTER_EXT		= 0x808F,
	GL_COLOR_ARRAY_POINTER_EXT		= 0x8090,
	GL_INDEX_ARRAY_POINTER_EXT		= 0x8091,
	GL_TEXTURE_COORD_ARRAY_POINTER_EXT	= 0x8092,
	GL_EDGE_FLAG_ARRAY_POINTER_EXT		= 0x8093,

	/* GL_EXT_texture_object */
	GL_TEXTURE_PRIORITY_EXT			= 0x8066,
	GL_TEXTURE_RESIDENT_EXT			= 0x8067,
	GL_TEXTURE_1D_BINDING_EXT		= 0x8068,
	GL_TEXTURE_2D_BINDING_EXT		= 0x8069,

	/* GL_EXT_texture3D */
	GL_PACK_SKIP_IMAGES_EXT			= 0x806B,
	GL_PACK_IMAGE_HEIGHT_EXT		= 0x806C,
	GL_UNPACK_SKIP_IMAGES_EXT		= 0x806D,
	GL_UNPACK_IMAGE_HEIGHT_EXT		= 0x806E,
	GL_TEXTURE_3D_EXT			= 0x806F,
	GL_PROXY_TEXTURE_3D_EXT			= 0x8070,
	GL_TEXTURE_DEPTH_EXT			= 0x8071,
	GL_TEXTURE_WRAP_R_EXT			= 0x8072,
	GL_MAX_3D_TEXTURE_SIZE_EXT		= 0x8073,
	GL_TEXTURE_3D_BINDING_EXT		= 0x806A,

	/* GL_EXT_paletted_texture */
	GL_TABLE_TOO_LARGE_EXT			= 0x8031,
	GL_COLOR_TABLE_FORMAT_EXT		= 0x80D8,
	GL_COLOR_TABLE_WIDTH_EXT		= 0x80D9,
	GL_COLOR_TABLE_RED_SIZE_EXT		= 0x80DA,
	GL_COLOR_TABLE_GREEN_SIZE_EXT		= 0x80DB,
	GL_COLOR_TABLE_BLUE_SIZE_EXT		= 0x80DC,
	GL_COLOR_TABLE_ALPHA_SIZE_EXT	 	= 0x80DD,
	GL_COLOR_TABLE_LUMINANCE_SIZE_EXT	= 0x80DE,
	GL_COLOR_TABLE_INTENSITY_SIZE_EXT	= 0x80DF,
	GL_TEXTURE_INDEX_SIZE_EXT		= 0x80ED,
	GL_COLOR_INDEX1_EXT			= 0x80E2,
	GL_COLOR_INDEX2_EXT			= 0x80E3,
	GL_COLOR_INDEX4_EXT			= 0x80E4,
	GL_COLOR_INDEX8_EXT			= 0x80E5,
	GL_COLOR_INDEX12_EXT			= 0x80E6,
	GL_COLOR_INDEX16_EXT			= 0x80E7,

	/* GL_EXT_shared_texture_palette */
	GL_SHARED_TEXTURE_PALETTE_EXT		= 0x81FB,

	/* GL_EXT_point_parameters */
	GL_POINT_SIZE_MIN_EXT			= 0x8126,
	GL_POINT_SIZE_MAX_EXT			= 0x8127,
	GL_POINT_FADE_THRESHOLD_SIZE_EXT	= 0x8128,
	GL_DISTANCE_ATTENUATION_EXT		= 0x8129,

	/* GL_EXT_rescale_normal */
	GL_RESCALE_NORMAL_EXT			= 0x803A,

	/* GL_EXT_abgr */
	GL_ABGR_EXT				= 0x8000,

	/* GL_SGIS_multitexture */
	GL_SELECTED_TEXTURE_SGIS		= 0x835C,
	GL_SELECTED_TEXTURE_COORD_SET_SGIS	= 0x835D,
	GL_MAX_TEXTURES_SGIS			= 0x835E,
	GL_TEXTURE0_SGIS			= 0x835F,
	GL_TEXTURE1_SGIS			= 0x8360,
	GL_TEXTURE2_SGIS			= 0x8361,
	GL_TEXTURE3_SGIS			= 0x8362,
	GL_TEXTURE_COORD_SET_SOURCE_SGIS	= 0x8363,

	/* GL_EXT_multitexture */
	GL_SELECTED_TEXTURE_EXT			= 0x83C0,
	GL_SELECTED_TEXTURE_COORD_SET_EXT	= 0x83C1,
	GL_SELECTED_TEXTURE_TRANSFORM_EXT	= 0x83C2,
	GL_MAX_TEXTURES_EXT			= 0x83C3,
	GL_MAX_TEXTURE_COORD_SETS_EXT		= 0x83C4,
	GL_TEXTURE_ENV_COORD_SET_EXT		= 0x83C5,
	GL_TEXTURE0_EXT				= 0x83C6,
	GL_TEXTURE1_EXT				= 0x83C7,
	GL_TEXTURE2_EXT				= 0x83C8,
	GL_TEXTURE3_EXT				= 0x83C9,

  /* GL_ARB_multitexture */
  GL_ACTIVE_TEXTURE_ARB               = 0x84E0,
  GL_CLIENT_ACTIVE_TEXTURE_ARB        = 0x84E1,
  GL_MAX_TEXTURE_UNITS_ARB            = 0x84E2,
  GL_TEXTURE0_ARB                     = 0x84C0,
  GL_TEXTURE1_ARB                     = 0x84C1,
  GL_TEXTURE2_ARB                     = 0x84C2,
  GL_TEXTURE3_ARB                     = 0x84C3,

  /* GL_EXT_texture_env_combine */
  GL_COMBINE_EXT                      = 0x8570,
  GL_COMBINE_RGB_EXT                  = 0x8571,
  GL_COMBINE_ALPHA_EXT                = 0x8572,
  GL_RGB_SCALE_EXT                    = 0x8573,
  GL_ADD_SIGNED_EXT                   = 0x8574,
  GL_INTERPOLATE_EXT                  = 0x8575,
  GL_CONSTANT_EXT                     = 0x8576,
  GL_PRIMARY_COLOR_EXT                = 0x8577,
  GL_PREVIOUS_EXT                     = 0x8578,
  GL_SOURCE0_RGB_EXT                  = 0x8580,
  GL_SOURCE1_RGB_EXT                  = 0x8581,
  GL_SOURCE2_RGB_EXT                  = 0x8582,
  GL_SOURCE0_ALPHA_EXT                = 0x8588,
  GL_SOURCE1_ALPHA_EXT                = 0x8589,
  GL_SOURCE2_ALPHA_EXT                = 0x858A,
  GL_OPERAND0_RGB_EXT                 = 0x8590,
  GL_OPERAND1_RGB_EXT                 = 0x8591,
  GL_OPERAND2_RGB_EXT                 = 0x8592,
  GL_OPERAND0_ALPHA_EXT               = 0x8598,
  GL_OPERAND1_ALPHA_EXT               = 0x8599,
  GL_OPERAND2_ALPHA_EXT               = 0x859A,

  /* GL_EXT_clip_volume_hint */  
  GL_CLIP_VOLUME_CLIPPING_HINT_EXT = 0x80F0,

  /* GL_EXT_compiled_vertex_array */
  GL_ARRAY_ELEMENT_LOCK_FIRST_EXT = 0x81A8,
  GL_ARRAY_ELEMENT_LOCK_COUNT_EXT = 0x81A9,

  /* GL_EXT_texture_filter_anisotropic */
  GL_TEXTURE_MAX_ANISOTROPY_EXT     = 0x84FE,
  GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT = 0x84FF,

  /* GL_EXT_texture_lod_bias */
  GL_MAX_TEXTURE_LOD_BIAS_EXT   = 0x84FD,
  GL_TEXTURE_FILTER_CONTROL_EXT = 0x8500,
  GL_TEXTURE_LOD_BIAS_EXT       = 0x8501,
  
  /* GL_SGIS_texture_edge_clamp */
	GL_CLAMP_TO_EDGE_SGIS	= 0x812F,

  /* GL_NV_vertex_array_range & GL_NV_fence */
  GL_ALL_COMPLETED_NV                  = 0x84F2,
  GL_FENCE_STATUS_NV                   = 0x84F3,
  GL_FENCE_CONDITION_NV                = 0x84F4,
  GL_VERTEX_ARRAY_RANGE_NV             = 0x851D,
  GL_VERTEX_ARRAY_RANGE_LENGTH_NV      = 0x851E,
  GL_VERTEX_ARRAY_RANGE_VALID_NV       = 0x851F,
  GL_MAX_VERTEX_ARRAY_RANGE_ELEMENT_NV = 0x8520,
  GL_VERTEX_ARRAY_RANGE_POINTER_NV     = 0x8521,

  /* ATI GL_ATI_pn_triangles */
  GL_PN_TRIANGLES_ATI							          = 0x87F0,
  GL_MAX_PN_TRIANGLES_TESSELATION_LEVEL_ATI	= 0x87F1,
  GL_PN_TRIANGLES_POINT_MODE_ATI				    = 0x87F2,
  GL_PN_TRIANGLES_NORMAL_MODE_ATI				    = 0x87F3,
  GL_PN_TRIANGLES_TESSELATION_LEVEL_ATI		  = 0x87F4,
  GL_PN_TRIANGLES_POINT_MODE_LINEAR_ATI		  = 0x87F5,
  GL_PN_TRIANGLES_POINT_MODE_CUBIC_ATI		  = 0x87F6,
  GL_PN_TRIANGLES_NORMAL_MODE_LINEAR_ATI		= 0x87F7,
  GL_PN_TRIANGLES_NORMAL_MODE_QUADRATIC_ATI = 0x87F8,

  /* 3DFX T-Buffer */
	GL_MULTISAMPLE_BIT_3DFX = 0x20000000,
  GL_MULTISAMPLE_3DFX		  = 0x86B2,
	GL_SAMPLE_BUFFERS_3DFX	= 0x86B3,
	GL_SAMPLES_3DFX         = 0x86B4,

  /* occlussion test and query */
  GL_OCCLUSION_TEST_HP             = 0x8165,
  GL_OCCLUSION_TEST_RESULT_HP      = 0x8166,
  GL_PIXEL_COUNTER_BITS_NV         = 0x8864,
  GL_CURRENT_OCCLUSION_QUERY_ID_NV = 0x8865,
  GL_PIXEL_COUNT_NV                = 0x8866,
  GL_PIXEL_COUNT_AVAILABLE_NV      = 0x8867,

  /* WGL extensions */
  WGL_NUMBER_PIXEL_FORMATS_EXT = 0x2000,
  WGL_DRAW_TO_WINDOW_EXT       = 0x2001,
  WGL_DRAW_TO_BITMAP_EXT       = 0x2002,
  WGL_ACCELERATION_EXT         = 0x2003,
  WGL_NEED_PALETTE_EXT         = 0x2004,
  WGL_NEED_SYSTEM_PALETTE_EXT  = 0x2005,
  WGL_SWAP_LAYER_BUFFERS_EXT   = 0x2006,
  WGL_SWAP_METHOD_EXT          = 0x2007,
  WGL_NUMBER_OVERLAYS_EXT      = 0x2008,
  WGL_NUMBER_UNDERLAYS_EXT     = 0x2009,
  WGL_TRANSPARENT_EXT          = 0x200A,
  WGL_TRANSPARENT_VALUE_EXT    = 0x200B,
  WGL_SHARE_DEPTH_EXT          = 0x200C,
  WGL_SHARE_STENCIL_EXT        = 0x200D,
  WGL_SHARE_ACCUM_EXT          = 0x200E,
  WGL_SUPPORT_GDI_EXT          = 0x200F,
  WGL_SUPPORT_OPENGL_EXT       = 0x2010,
  WGL_DOUBLE_BUFFER_EXT        = 0x2011,
  WGL_STEREO_EXT               = 0x2012,
  WGL_PIXEL_TYPE_EXT           = 0x2013,
  WGL_COLOR_BITS_EXT           = 0x2014,
  WGL_RED_BITS_EXT             = 0x2015,
  WGL_RED_SHIFT_EXT            = 0x2016,
  WGL_GREEN_BITS_EXT           = 0x2017,
  WGL_GREEN_SHIFT_EXT          = 0x2018,
  WGL_BLUE_BITS_EXT            = 0x2019,
  WGL_BLUE_SHIFT_EXT           = 0x201A,
  WGL_ALPHA_BITS_EXT           = 0x201B,
  WGL_ALPHA_SHIFT_EXT          = 0x201C,
  WGL_ACCUM_BITS_EXT           = 0x201D,
  WGL_ACCUM_RED_BITS_EXT       = 0x201E,
  WGL_ACCUM_GREEN_BITS_EXT     = 0x201F,
  WGL_ACCUM_BLUE_BITS_EXT      = 0x2020,
  WGL_ACCUM_ALPHA_BITS_EXT     = 0x2021,
  WGL_DEPTH_BITS_EXT           = 0x2022,
  WGL_STENCIL_BITS_EXT         = 0x2023,
  WGL_AUX_BUFFERS_EXT          = 0x2024,

  WGL_NO_ACCELERATION_EXT      = 0x2025,
  WGL_GENERIC_ACCELERATION_EXT = 0x2026,
  WGL_FULL_ACCELERATION_EXT    = 0x2027,
  WGL_SWAP_EXCHANGE_EXT        = 0x2028,
  WGL_SWAP_COPY_EXT            = 0x2029,
  WGL_SWAP_UNDEFINED_EXT       = 0x202A,
  WGL_TYPE_RGBA_EXT            = 0x202B,
  WGL_TYPE_COLORINDEX_EXT      = 0x202C,
                                       
  WGL_NUMBER_PIXEL_FORMATS_ARB		= 0x2000,
	WGL_DRAW_TO_WINDOW_ARB			    = 0x2001,
	WGL_DRAW_TO_BITMAP_ARB			    = 0x2002,
	WGL_ACCELERATION_ARB				    = 0x2003,
	WGL_NEED_PALETTE_ARB				    = 0x2004,
	WGL_NEED_SYSTEM_PALETTE_ARB	  	= 0x2005,
	WGL_SWAP_LAYER_BUFFERS_ARB		  = 0x2006,
	WGL_SWAP_METHOD_ARB				      = 0x2007,
	WGL_NUMBER_OVERLAYS_ARB				  = 0x2008,
	WGL_NUMBER_UNDERLAYS_ARB        = 0x2009,
	WGL_TRANSPARENT_ARB	    	      = 0x200A,
	WGL_TRANSPARENT_RED_VALUE_ARB   = 0x2037,
	WGL_TRANSPARENT_GREEN_VALUE_ARB	= 0x2038,
	WGL_TRANSPARENT_BLUE_VALUE_ARB	= 0x2039,
	WGL_TRANSPARENT_ALPHA_VALUE_ARB	= 0x203A,
	WGL_TRANSPARENT_INDEX_VALUE_ARB	= 0x203B,
	WGL_SHARE_DEPTH_ARB				      = 0x200C,
	WGL_SHARE_STENCIL_ARB				    = 0x200D,
	WGL_SHARE_ACCUM_ARB				      = 0x200E,
	WGL_SUPPORT_GDI_ARB				      = 0x200F,
	WGL_SUPPORT_OPENGL_ARB				  = 0x2010,
	WGL_DOUBLE_BUFFER_ARB			      = 0x2011,
	WGL_STEREO_ARB				          = 0x2012,
	WGL_PIXEL_TYPE_ARB			        = 0x2013,
	WGL_COLOR_BITS_ARB			        = 0x2014,
	WGL_RED_BITS_ARB				    	  = 0x2015,
	WGL_RED_SHIFT_ARB	    	    	  = 0x2016,
	WGL_GREEN_BITS_ARB				      = 0x2017,
	WGL_GREEN_SHIFT_ARB				      = 0x2018,
	WGL_BLUE_BITS_ARB				        = 0x2019,
	WGL_BLUE_SHIFT_ARB				      = 0x201A,
	WGL_ALPHA_BITS_ARB				      = 0x201B,
	WGL_ALPHA_SHIFT_ARB				      = 0x201C,
	WGL_ACCUM_BITS_ARB				      = 0x201D,
	WGL_ACCUM_RED_BITS_ARB				  = 0x201E,
	WGL_ACCUM_GREEN_BITS_ARB			  = 0x201F,
	WGL_ACCUM_BLUE_BITS_ARB				  = 0x2020,
	WGL_ACCUM_ALPHA_BITS_ARB			  = 0x2021,
	WGL_DEPTH_BITS_ARB				      = 0x2022,
	WGL_STENCIL_BITS_ARB				    = 0x2023,
	WGL_AUX_BUFFERS_ARB				      = 0x2024,

	WGL_NO_ACCELERATION_ARB      = 0x2025,
	WGL_GENERIC_ACCELERATION_ARB = 0x2026,
	WGL_FULL_ACCELERATION_ARB    = 0x2027,
	WGL_SWAP_EXCHANGE_ARB        = 0x2028,
	WGL_SWAP_COPY_ARB            = 0x2029,
	WGL_SWAP_UNDEFINED_ARB       = 0x202A,
	WGL_TYPE_RGBA_ARB            = 0x202B,
	WGL_TYPE_COLORINDEX_ARB      = 0x202C,

  WGL_SAMPLE_BUFFERS_3DFX	= 0x2060,
	WGL_SAMPLES_3DFX			  = 0x2061,
                                          
                                          
	/* OpenGL 1.2 */                     
	GL_RESCALE_NORMAL			= 0x803A,      
	GL_CLAMP_TO_EDGE			= 0x812F,      
	GL_MAX_ELEMENTS_VERTICES		= 0xF0E8,
	GL_MAX_ELEMENTS_INDICES			= 0xF0E9,
	GL_BGR					= 0x80E0,
	GL_BGRA					= 0x80E1,
	GL_UNSIGNED_BYTE_3_3_2			= 0x8032,
	GL_UNSIGNED_BYTE_2_3_3_REV		= 0x8362,
	GL_UNSIGNED_SHORT_5_6_5			= 0x8363,
	GL_UNSIGNED_SHORT_5_6_5_REV		= 0x8364,
	GL_UNSIGNED_SHORT_4_4_4_4		= 0x8033,
	GL_UNSIGNED_SHORT_4_4_4_4_REV		= 0x8365,
	GL_UNSIGNED_SHORT_5_5_5_1		= 0x8034,
	GL_UNSIGNED_SHORT_1_5_5_5_REV		= 0x8366,
	GL_UNSIGNED_INT_8_8_8_8			= 0x8035,
	GL_UNSIGNED_INT_8_8_8_8_REV		= 0x8367,
	GL_UNSIGNED_INT_10_10_10_2		= 0x8036,
	GL_UNSIGNED_INT_2_10_10_10_REV		= 0x8368,
	GL_LIGHT_MODEL_COLOR_CONTROL		= 0x81F8,
	GL_SINGLE_COLOR				= 0x81F9,
	GL_SEPARATE_SPECULAR_COLOR		= 0x81FA,
	GL_TEXTURE_MIN_LOD			= 0x813A,
	GL_TEXTURE_MAX_LOD			= 0x813B,
	GL_TEXTURE_BASE_LEVEL			= 0x813C,
	GL_TEXTURE_MAX_LEVEL			= 0x813D
} GLenum__;


/* GL_NO_ERROR must be zero */
#define GL_NO_ERROR 0

enum {
	GL_CURRENT_BIT		= 0x00000001,
	GL_POINT_BIT		= 0x00000002,
	GL_LINE_BIT		= 0x00000004,
	GL_POLYGON_BIT		= 0x00000008,
	GL_POLYGON_STIPPLE_BIT	= 0x00000010,
	GL_PIXEL_MODE_BIT	= 0x00000020,
	GL_LIGHTING_BIT		= 0x00000040,
	GL_FOG_BIT		= 0x00000080,
	GL_DEPTH_BUFFER_BIT	= 0x00000100,
	GL_ACCUM_BUFFER_BIT	= 0x00000200,
	GL_STENCIL_BUFFER_BIT	= 0x00000400,
	GL_VIEWPORT_BIT		= 0x00000800,
	GL_TRANSFORM_BIT	= 0x00001000,
	GL_ENABLE_BIT		= 0x00002000,
	GL_COLOR_BUFFER_BIT	= 0x00004000,
	GL_HINT_BIT		= 0x00008000,
	GL_EVAL_BIT		= 0x00010000,
	GL_LIST_BIT		= 0x00020000,
	GL_TEXTURE_BIT		= 0x00040000,
	GL_SCISSOR_BIT		= 0x00080000,
	GL_ALL_ATTRIB_BITS	= 0x000fffff
};


enum {
	GL_CLIENT_PIXEL_STORE_BIT	= 0x00000001,
	GL_CLIENT_VERTEX_ARRAY_BIT	= 0x00000002,
	GL_CLIENT_ALL_ATTRIB_BITS	= 0x0000FFFF
};

typedef unsigned int GLbitfield;


/*
 *
 * Data types (may be architecture dependent in some cases)
 *
 */

/*  C type		GL type		storage                            */
/*-------------------------------------------------------------------------*/
typedef void		GLvoid;
typedef unsigned char	GLboolean;
typedef signed char	GLbyte;		/* 1-byte signed */
typedef short		GLshort;	/* 2-byte signed */
typedef int		GLint;		/* 4-byte signed */
typedef unsigned char	GLubyte;	/* 1-byte unsigned */
typedef unsigned short	GLushort;	/* 2-byte unsigned */
typedef unsigned int	GLuint;		/* 4-byte unsigned */
typedef int		GLsizei;	/* 4-byte signed */
typedef float		GLfloat;	/* single precision float */
typedef float		GLclampf;	/* single precision float in [0,1] */
typedef double		GLdouble;	/* double precision float */
typedef double		GLclampd;	/* double precision float in [0,1] */

#include <GLES2/gl2.h>


#endif /* PLATFORM_UNIX */
#endif  /* include-once check. */

