glext.h

game programing code

#ifndef __glext_h_
#define __glext_h_

#ifdef __cplusplus
extern "C" {
#endif

/*
** License Applicability. Except to the extent portions of this file are
** made subject to an alternative license as permitted in the SGI Free
** Software License B, Version 1.1 (the "License"), the contents of this
** file are subject only to the provisions of the License. You may not use
** this file except in compliance with the License. You may obtain a copy
** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600
** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at:
** 
** http://oss.sgi.com/projects/FreeB
** 
** Note that, as provided in the License, the Software is distributed on an
** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS
** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND
** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A
** PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
** 
** Original Code. The Original Code is: OpenGL Sample Implementation,
** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics,
** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc.
** Copyright in any portions created by third parties is as indicated
** elsewhere herein. All Rights Reserved.
** 
** Additional Notice Provisions: This software was created using the
** OpenGL(R) version 1.2.1 Sample Implementation published by SGI, but has
** not been independently verified as being compliant with the OpenGL(R)
** version 1.2.1 Specification.
*/

#if defined(_WIN32) && !defined(APIENTRY) && !defined(__CYGWIN__)
#define WIN32_LEAN_AND_MEAN 1
#include <windows.h>
#endif

#ifndef APIENTRY
#define APIENTRY
#endif

/*************************************************************/

/* Header file version number, required by OpenGL ABI for Linux */
#define GL_GLEXT_VERSION 7

#ifndef GL_VERSION_1_2
#define GL_CONSTANT_COLOR                 0x8001
#define GL_ONE_MINUS_CONSTANT_COLOR       0x8002
#define GL_CONSTANT_ALPHA                 0x8003
#define GL_ONE_MINUS_CONSTANT_ALPHA       0x8004
#define GL_BLEND_COLOR                    0x8005
#define GL_FUNC_ADD                       0x8006
#define GL_MIN                            0x8007
#define GL_MAX                            0x8008
#define GL_BLEND_EQUATION                 0x8009
#define GL_FUNC_SUBTRACT                  0x800A
#define GL_FUNC_REVERSE_SUBTRACT          0x800B
#define GL_CONVOLUTION_1D                 0x8010
#define GL_CONVOLUTION_2D                 0x8011
#define GL_SEPARABLE_2D                   0x8012
#define GL_CONVOLUTION_BORDER_MODE        0x8013
#define GL_CONVOLUTION_FILTER_SCALE       0x8014
#define GL_CONVOLUTION_FILTER_BIAS        0x8015
#define GL_REDUCE                         0x8016
#define GL_CONVOLUTION_FORMAT             0x8017
#define GL_CONVOLUTION_WIDTH              0x8018
#define GL_CONVOLUTION_HEIGHT             0x8019
#define GL_MAX_CONVOLUTION_WIDTH          0x801A
#define GL_MAX_CONVOLUTION_HEIGHT         0x801B
#define GL_POST_CONVOLUTION_RED_SCALE     0x801C
#define GL_POST_CONVOLUTION_GREEN_SCALE   0x801D
#define GL_POST_CONVOLUTION_BLUE_SCALE    0x801E
#define GL_POST_CONVOLUTION_ALPHA_SCALE   0x801F
#define GL_POST_CONVOLUTION_RED_BIAS      0x8020
#define GL_POST_CONVOLUTION_GREEN_BIAS    0x8021
#define GL_POST_CONVOLUTION_BLUE_BIAS     0x8022
#define GL_POST_CONVOLUTION_ALPHA_BIAS    0x8023
#define GL_HISTOGRAM                      0x8024
#define GL_PROXY_HISTOGRAM                0x8025
#define GL_HISTOGRAM_WIDTH                0x8026
#define GL_HISTOGRAM_FORMAT               0x8027
#define GL_HISTOGRAM_RED_SIZE             0x8028
#define GL_HISTOGRAM_GREEN_SIZE           0x8029
#define GL_HISTOGRAM_BLUE_SIZE            0x802A
#define GL_HISTOGRAM_ALPHA_SIZE           0x802B
#define GL_HISTOGRAM_LUMINANCE_SIZE       0x802C
#define GL_HISTOGRAM_SINK                 0x802D
#define GL_MINMAX                         0x802E
#define GL_MINMAX_FORMAT                  0x802F
#define GL_MINMAX_SINK                    0x8030
#define GL_TABLE_TOO_LARGE                0x8031
#define GL_UNSIGNED_BYTE_3_3_2            0x8032
#define GL_UNSIGNED_SHORT_4_4_4_4         0x8033
#define GL_UNSIGNED_SHORT_5_5_5_1         0x8034
#define GL_UNSIGNED_INT_8_8_8_8           0x8035
#define GL_UNSIGNED_INT_10_10_10_2        0x8036
#define GL_RESCALE_NORMAL                 0x803A
#define GL_UNSIGNED_BYTE_2_3_3_REV        0x8362
#define GL_UNSIGNED_SHORT_5_6_5           0x8363
#define GL_UNSIGNED_SHORT_5_6_5_REV       0x8364
#define GL_UNSIGNED_SHORT_4_4_4_4_REV     0x8365
#define GL_UNSIGNED_SHORT_1_5_5_5_REV     0x8366
#define GL_UNSIGNED_INT_8_8_8_8_REV       0x8367
#define GL_UNSIGNED_INT_2_10_10_10_REV    0x8368
#define GL_COLOR_MATRIX                   0x80B1
#define GL_COLOR_MATRIX_STACK_DEPTH       0x80B2
#define GL_MAX_COLOR_MATRIX_STACK_DEPTH   0x80B3
#define GL_POST_COLOR_MATRIX_RED_SCALE    0x80B4
#define GL_POST_COLOR_MATRIX_GREEN_SCALE  0x80B5
#define GL_POST_COLOR_MATRIX_BLUE_SCALE   0x80B6
#define GL_POST_COLOR_MATRIX_ALPHA_SCALE  0x80B7
#define GL_POST_COLOR_MATRIX_RED_BIAS     0x80B8
#define GL_POST_COLOR_MATRIX_GREEN_BIAS   0x80B9
#define GL_POST_COLOR_MATRIX_BLUE_BIAS    0x80BA
#define GL_COLOR_TABLE                    0x80D0
#define GL_POST_CONVOLUTION_COLOR_TABLE   0x80D1
#define GL_POST_COLOR_MATRIX_COLOR_TABLE  0x80D2
#define GL_PROXY_COLOR_TABLE              0x80D3
#define GL_PROXY_POST_CONVOLUTION_COLOR_TABLE 0x80D4
#define GL_PROXY_POST_COLOR_MATRIX_COLOR_TABLE 0x80D5
#define GL_COLOR_TABLE_SCALE              0x80D6
#define GL_COLOR_TABLE_BIAS               0x80D7
#define GL_COLOR_TABLE_FORMAT             0x80D8
#define GL_COLOR_TABLE_WIDTH              0x80D9
#define GL_COLOR_TABLE_RED_SIZE           0x80DA
#define GL_COLOR_TABLE_GREEN_SIZE         0x80DB
#define GL_COLOR_TABLE_BLUE_SIZE          0x80DC
#define GL_COLOR_TABLE_ALPHA_SIZE         0x80DD
#define GL_COLOR_TABLE_LUMINANCE_SIZE     0x80DE
#define GL_COLOR_TABLE_INTENSITY_SIZE     0x80DF
#define GL_CLAMP_TO_EDGE                  0x812F
#define GL_TEXTURE_MIN_LOD                0x813A
#define GL_TEXTURE_MAX_LOD                0x813B
#define GL_TEXTURE_BASE_LEVEL             0x813C
#define GL_TEXTURE_MAX_LEVEL              0x813D
#endif

#ifndef GL_ARB_multitexture
#define GL_TEXTURE0_ARB                   0x84C0
#define GL_TEXTURE1_ARB                   0x84C1
#define GL_TEXTURE2_ARB                   0x84C2
#define GL_TEXTURE3_ARB                   0x84C3
#define GL_TEXTURE4_ARB                   0x84C4
#define GL_TEXTURE5_ARB                   0x84C5
#define GL_TEXTURE6_ARB                   0x84C6
#define GL_TEXTURE7_ARB                   0x84C7
#define GL_TEXTURE8_ARB                   0x84C8
#define GL_TEXTURE9_ARB                   0x84C9
#define GL_TEXTURE10_ARB                  0x84CA
#define GL_TEXTURE11_ARB                  0x84CB
#define GL_TEXTURE12_ARB                  0x84CC
#define GL_TEXTURE13_ARB                  0x84CD
#define GL_TEXTURE14_ARB                  0x84CE
#define GL_TEXTURE15_ARB                  0x84CF
#define GL_TEXTURE16_ARB                  0x84D0
#define GL_TEXTURE17_ARB                  0x84D1
#define GL_TEXTURE18_ARB                  0x84D2
#define GL_TEXTURE19_ARB                  0x84D3
#define GL_TEXTURE20_ARB                  0x84D4
#define GL_TEXTURE21_ARB                  0x84D5
#define GL_TEXTURE22_ARB                  0x84D6
#define GL_TEXTURE23_ARB                  0x84D7
#define GL_TEXTURE24_ARB                  0x84D8
#define GL_TEXTURE25_ARB                  0x84D9
#define GL_TEXTURE26_ARB                  0x84DA
#define GL_TEXTURE27_ARB                  0x84DB
#define GL_TEXTURE28_ARB                  0x84DC
#define GL_TEXTURE29_ARB                  0x84DD
#define GL_TEXTURE30_ARB                  0x84DE
#define GL_TEXTURE31_ARB                  0x84DF
#define GL_ACTIVE_TEXTURE_ARB             0x84E0
#define GL_CLIENT_ACTIVE_TEXTURE_ARB      0x84E1
#define GL_MAX_TEXTURE_UNITS_ARB          0x84E2

#define GL_COMBINE_ARB   0x8570
#define GL_RGB_SCALE_ARB 0x8573
#endif

#ifndef GL_ARB_transpose_matrix
#define GL_TRANSPOSE_MODELVIEW_MATRIX_ARB 0x84E3
#define GL_TRANSPOSE_PROJECTION_MATRIX_ARB 0x84E4
#define GL_TRANSPOSE_TEXTURE_MATRIX_ARB   0x84E5
#define GL_TRANSPOSE_COLOR_MATRIX_ARB     0x84E6
#endif

#ifndef GL_ARB_multisample
#define GL_MULTISAMPLE_ARB                0x809D
#define GL_SAMPLE_ALPHA_TO_COVERAGE_ARB   0x809E
#define GL_SAMPLE_ALPHA_TO_ONE_ARB        0x809F
#define GL_SAMPLE_COVERAGE_ARB            0x80A0
#define GL_SAMPLE_BUFFERS_ARB             0x80A8
#define GL_SAMPLES_ARB                    0x80A9
#define GL_SAMPLE_COVERAGE_VALUE_ARB      0x80AA
#define GL_SAMPLE_COVERAGE_INVERT_ARB     0x80AB
#define GL_MULTISAMPLE_BIT_ARB            0x20000000
#endif

#ifndef GL_ARB_texture_cube_map
#define GL_NORMAL_MAP_ARB                 0x8511
#define GL_REFLECTION_MAP_ARB             0x8512
#define GL_TEXTURE_CUBE_MAP_ARB           0x8513
#define GL_TEXTURE_BINDING_CUBE_MAP_ARB   0x8514
#define GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB 0x8515
#define GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB 0x8516
#define GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB 0x8517
#define GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB 0x8518
#define GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB 0x8519
#define GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB 0x851A
#define GL_PROXY_TEXTURE_CUBE_MAP_ARB     0x851B
#define GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB  0x851C
#endif

#ifndef GL_ARB_texture_compression
#define GL_COMPRESSED_ALPHA_ARB           0x84E9
#define GL_COMPRESSED_LUMINANCE_ARB       0x84EA
#define GL_COMPRESSED_LUMINANCE_ALPHA_ARB 0x84EB
#define GL_COMPRESSED_INTENSITY_ARB       0x84EC
#define GL_COMPRESSED_RGB_ARB             0x84ED
#define GL_COMPRESSED_RGBA_ARB            0x84EE
#define GL_TEXTURE_COMPRESSION_HINT_ARB   0x84EF
#define GL_TEXTURE_IMAGE_SIZE_ARB         0x86A0
#define GL_TEXTURE_COMPRESSED_ARB         0x86A1
#define GL_NUM_COMPRESSED_TEXTURE_FORMATS_ARB 0x86A2
#define GL_COMPRESSED_TEXTURE_FORMATS_ARB 0x86A3
#endif

#ifndef GL_ARB_vertex_blend
#define GL_MAX_VERTEX_UNITS_ARB           0x86A4
#define GL_ACTIVE_VERTEX_UNITS_ARB        0x86A5
#define GL_WEIGHT_SUM_UNITY_ARB           0x86A6
#define GL_VERTEX_BLEND_ARB               0x86A7
#define GL_CURRENT_WEIGHT_ARB             0x86A8
#define GL_WEIGHT_ARRAY_TYPE_ARB          0x86A9
#define GL_WEIGHT_ARRAY_STRIDE_ARB        0x86AA
#define GL_WEIGHT_ARRAY_SIZE_ARB          0x86AB
#define GL_WEIGHT_ARRAY_POINTER_ARB       0x86AC
#define GL_WEIGHT_ARRAY_ARB               0x86AD
#define GL_MODELVIEW0_ARB                 0x1700
#define GL_MODELVIEW1_ARB                 0x850A
#define GL_MODELVIEW2_ARB                 0x8722
#define GL_MODELVIEW3_ARB                 0x8723
#define GL_MODELVIEW4_ARB                 0x8724
#define GL_MODELVIEW5_ARB                 0x8725
#define GL_MODELVIEW6_ARB                 0x8726
#define GL_MODELVIEW7_ARB                 0x8727
#define GL_MODELVIEW8_ARB                 0x8728
#define GL_MODELVIEW9_ARB                 0x8729
#define GL_MODELVIEW10_ARB                0x872A
#define GL_MODELVIEW11_ARB                0x872B
#define GL_MODELVIEW12_ARB                0x872C
#define GL_MODELVIEW13_ARB                0x872D
#define GL_MODELVIEW14_ARB                0x872E
#define GL_MODELVIEW15_ARB                0x872F
#define GL_MODELVIEW16_ARB                0x8730
#define GL_MODELVIEW17_ARB                0x8731
#define GL_MODELVIEW18_ARB                0x8732
#define GL_MODELVIEW19_ARB                0x8733
#define GL_MODELVIEW20_ARB                0x8734
#define GL_MODELVIEW21_ARB                0x8735
#define GL_MODELVIEW22_ARB                0x8736
#define GL_MODELVIEW23_ARB                0x8737
#define GL_MODELVIEW24_ARB                0x8738
#define GL_MODELVIEW25_ARB                0x8739
#define GL_MODELVIEW26_ARB                0x873A
#define GL_MODELVIEW27_ARB                0x873B
#define GL_MODELVIEW28_ARB                0x873C
#define GL_MODELVIEW29_ARB                0x873D
#define GL_MODELVIEW30_ARB                0x873E
#define GL_MODELVIEW31_ARB                0x873F
#endif

#ifndef GL_EXT_abgr
#define GL_ABGR_EXT                       0x8000
#endif

#ifndef GL_EXT_blend_color
#define GL_CONSTANT_COLOR_EXT             0x8001
#define GL_ONE_MINUS_CONSTANT_COLOR_EXT   0x8002
#define GL_CONSTANT_ALPHA_EXT             0x8003
#define GL_ONE_MINUS_CONSTANT_ALPHA_EXT   0x8004
#define GL_BLEND_COLOR_EXT                0x8005
#endif

#ifndef GL_EXT_polygon_offset
#define GL_POLYGON_OFFSET_EXT             0x8037
#define GL_POLYGON_OFFSET_FACTOR_EXT      0x8038
#define GL_POLYGON_OFFSET_BIAS_EXT        0x8039
#endif

#ifndef GL_EXT_texture
#define GL_ALPHA4_EXT                     0x803B
#define GL_ALPHA8_EXT                     0x803C
#define GL_ALPHA12_EXT                    0x803D
#define GL_ALPHA16_EXT                    0x803E
#define GL_LUMINANCE4_EXT                 0x803F
#define GL_LUMINANCE8_EXT                 0x8040
#define GL_LUMINANCE12_EXT                0x8041
#define GL_LUMINANCE16_EXT                0x8042
#define GL_LUMINANCE4_ALPHA4_EXT          0x8043
#define GL_LUMINANCE6_ALPHA2_EXT          0x8044
#define GL_LUMINANCE8_ALPHA8_EXT          0x8045
#define GL_LUMINANCE12_ALPHA4_EXT         0x8046
#define GL_LUMINANCE12_ALPHA12_EXT        0x8047
#define GL_LUMINANCE16_ALPHA16_EXT        0x8048
#define GL_INTENSITY_EXT                  0x8049
#define GL_INTENSITY4_EXT                 0x804A
#define GL_INTENSITY8_EXT                 0x804B
#define GL_INTENSITY12_EXT                0x804C
#define GL_INTENSITY16_EXT                0x804D
#define GL_RGB2_EXT                       0x804E
#define GL_RGB4_EXT                       0x804F