#ifndef __glext_h_

#define __glext_h_

#ifdef __cplusplus

extern "C" {

#endif

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

 Copyright NVIDIA Corporation 2006

 TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, THIS SOFTWARE IS PROVIDED

 *AS IS* AND NVIDIA AND ITS SUPPLIERS DISCLAIM ALL WARRANTIES, EITHER EXPRESS

 OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF 

 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL 

 NVIDIA OR ITS SUPPLIERS BE LIABLE FOR ANY SPECIAL, INCIDENTAL, INDIRECT, OR 

 CONSEQUENTIAL DAMAGES WHATSOEVER (INCLUDING, WITHOUT LIMITATION, DAMAGES FOR 

 LOSS OF BUSINESS PROFITS, BUSINESS INTERRUPTION, LOSS OF BUSINESS INFORMATION, 

 OR ANY OTHER PECUNIARY LOSS) ARISING OUT OF THE USE OF OR INABILITY TO USE 

 THIS SOFTWARE, EVEN IF NVIDIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH 

 DAMAGES.

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

/*

** 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) 1991-2004 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__) && !defined(__SCITECH_SNAP__)

#define WIN32_LEAN_AND_MEAN 1

#include <windows.h>

#endif

#ifndef APIENTRY

#define APIENTRY

#endif

#ifndef APIENTRYP

#define APIENTRYP APIENTRY *

#endif

#ifndef GLAPI

#define GLAPI extern

#endif

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

/* Header file version number, required by OpenGL ABI for Linux */

/* glext.h last updated 2010/04/19 */

/* Current version at http://www.opengl.org/registry/ */

#define GL_GLEXT_VERSION 44

#ifndef GL_VERSION_1_2

#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_TEXTURE_BINDING_3D             0x806A

#define GL_PACK_SKIP_IMAGES               0x806B

#define GL_PACK_IMAGE_HEIGHT              0x806C

#define GL_UNPACK_SKIP_IMAGES             0x806D

#define GL_UNPACK_IMAGE_HEIGHT            0x806E

#define GL_TEXTURE_3D                     0x806F

#define GL_PROXY_TEXTURE_3D               0x8070

#define GL_TEXTURE_DEPTH                  0x8071

#define GL_TEXTURE_WRAP_R                 0x8072

#define GL_MAX_3D_TEXTURE_SIZE            0x8073

#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_BGR                            0x80E0

#define GL_BGRA                           0x80E1

#define GL_MAX_ELEMENTS_VERTICES          0x80E8

#define GL_MAX_ELEMENTS_INDICES           0x80E9

#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

#define GL_LIGHT_MODEL_COLOR_CONTROL      0x81F8

#define GL_SINGLE_COLOR                   0x81F9

#define GL_SEPARATE_SPECULAR_COLOR        0x81FA

#define GL_SMOOTH_POINT_SIZE_RANGE        0x0B12

#define GL_SMOOTH_POINT_SIZE_GRANULARITY  0x0B13

#define GL_SMOOTH_LINE_WIDTH_RANGE        0x0B22

#define GL_SMOOTH_LINE_WIDTH_GRANULARITY  0x0B23

#define GL_ALIASED_POINT_SIZE_RANGE       0x846D

#define GL_ALIASED_LINE_WIDTH_RANGE       0x846E

#endif

#ifndef GL_ARB_imaging

#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_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_POST_COLOR_MATRIX_ALPHA_BIAS   0x80BB

#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_CONSTANT_BORDER                0x8151

#define GL_REPLICATE_BORDER               0x8153

#define GL_CONVOLUTION_BORDER_COLOR       0x8154

#endif

#ifndef GL_VERSION_1_3

#define GL_TEXTURE0                       0x84C0

#define GL_TEXTURE1                       0x84C1

#define GL_TEXTURE2                       0x84C2

#define GL_TEXTURE3                       0x84C3

#define GL_TEXTURE4                       0x84C4

#define GL_TEXTURE5                       0x84C5

#define GL_TEXTURE6                       0x84C6

#define GL_TEXTURE7                       0x84C7

#define GL_TEXTURE8                       0x84C8

#define GL_TEXTURE9                       0x84C9

#define GL_TEXTURE10                      0x84CA

#define GL_TEXTURE11                      0x84CB

#define GL_TEXTURE12                      0x84CC

#define GL_TEXTURE13                      0x84CD

#define GL_TEXTURE14                      0x84CE

#define GL_TEXTURE15                      0x84CF

#define GL_TEXTURE16                      0x84D0

#define GL_TEXTURE17                      0x84D1

#define GL_TEXTURE18                      0x84D2

#define GL_TEXTURE19                      0x84D3

#define GL_TEXTURE20                      0x84D4

#define GL_TEXTURE21                      0x84D5

#define GL_TEXTURE22                      0x84D6

#define GL_TEXTURE23                      0x84D7

#define GL_TEXTURE24                      0x84D8

#define GL_TEXTURE25                      0x84D9

#define GL_TEXTURE26                      0x84DA

#define GL_TEXTURE27                      0x84DB

#define GL_TEXTURE28                      0x84DC

#define GL_TEXTURE29                      0x84DD

#define GL_TEXTURE30                      0x84DE

#define GL_TEXTURE31                      0x84DF

#define GL_ACTIVE_TEXTURE                 0x84E0

#define GL_CLIENT_ACTIVE_TEXTURE          0x84E1

#define GL_MAX_TEXTURE_UNITS              0x84E2

#define GL_TRANSPOSE_MODELVIEW_MATRIX     0x84E3

#define GL_TRANSPOSE_PROJECTION_MATRIX    0x84E4

#define GL_TRANSPOSE_TEXTURE_MATRIX       0x84E5

#define GL_TRANSPOSE_COLOR_MATRIX         0x84E6

#define GL_MULTISAMPLE                    0x809D

#define GL_SAMPLE_ALPHA_TO_COVERAGE       0x809E

#define GL_SAMPLE_ALPHA_TO_ONE            0x809F

#define GL_SAMPLE_COVERAGE                0x80A0

#define GL_SAMPLE_BUFFERS                 0x80A8

#define GL_SAMPLES                        0x80A9

#define GL_SAMPLE_COVERAGE_VALUE          0x80AA

#define GL_SAMPLE_COVERAGE_INVERT         0x80AB

#define GL_MULTISAMPLE_BIT                0x20000000

#define GL_NORMAL_MAP                     0x8511

#define GL_REFLECTION_MAP                 0x8512

#define GL_TEXTURE_CUBE_MAP               0x8513

#define GL_TEXTURE_BINDING_CUBE_MAP       0x8514

#define GL_TEXTURE_CUBE_MAP_POSITIVE_X    0x8515

#define GL_TEXTURE_CUBE_MAP_NEGATIVE_X    0x8516

#define GL_TEXTURE_CUBE_MAP_POSITIVE_Y    0x8517

#define GL_TEXTURE_CUBE_MAP_NEGATIVE_Y    0x8518

#define GL_TEXTURE_CUBE_MAP_POSITIVE_Z    0x8519

#define GL_TEXTURE_CUBE_MAP_NEGATIVE_Z    0x851A

#define GL_PROXY_TEXTURE_CUBE_MAP         0x851B

#define GL_MAX_CUBE_MAP_TEXTURE_SIZE      0x851C

#define GL_COMPRESSED_ALPHA               0x84E9

#define GL_COMPRESSED_LUMINANCE           0x84EA

#define GL_COMPRESSED_LUMINANCE_ALPHA     0x84EB

#define GL_COMPRESSED_INTENSITY           0x84EC

#define GL_COMPRESSED_RGB                 0x84ED

#define GL_COMPRESSED_RGBA                0x84EE

#define GL_TEXTURE_COMPRESSION_HINT       0x84EF

#define GL_TEXTURE_COMPRESSED_IMAGE_SIZE  0x86A0

#define GL_TEXTURE_COMPRESSED             0x86A1

#define GL_NUM_COMPRESSED_TEXTURE_FORMATS 0x86A2

#define GL_COMPRESSED_TEXTURE_FORMATS     0x86A3

#define GL_CLAMP_TO_BORDER                0x812D

#define GL_COMBINE                        0x8570

#define GL_COMBINE_RGB                    0x8571

#define GL_COMBINE_ALPHA                  0x8572

#define GL_SOURCE0_RGB                    0x8580

#define GL_SOURCE1_RGB                    0x8581

#define GL_SOURCE2_RGB                    0x8582

#define GL_SOURCE0_ALPHA                  0x8588

#define GL_SOURCE1_ALPHA                  0x8589

#define GL_SOURCE2_ALPHA                  0x858A

#define GL_OPERAND0_RGB                   0x8590

#define GL_OPERAND1_RGB                   0x8591

#define GL_OPERAND2_RGB                   0x8592

#define GL_OPERAND0_ALPHA                 0x8598

#define GL_OPERAND1_ALPHA                 0x8599

#define GL_OPERAND2_ALPHA                 0x859A

#define GL_RGB_SCALE                      0x8573

#define GL_ADD_SIGNED                     0x8574

#define GL_INTERPOLATE                    0x8575

#define GL_SUBTRACT                       0x84E7

#define GL_CONSTANT                       0x8576

#define GL_PRIMARY_COLOR                  0x8577

#define GL_PREVIOUS                       0x8578

#define GL_DOT3_RGB                       0x86AE

#define GL_DOT3_RGBA                      0x86AF

#endif

#ifndef GL_VERSION_1_4

#define GL_BLEND_DST_RGB                  0x80C8

#define GL_BLEND_SRC_RGB                  0x80C9

#define GL_BLEND_DST_ALPHA                0x80CA

#define GL_BLEND_SRC_ALPHA                0x80CB

#define GL_POINT_SIZE_MIN                 0x8126

#define GL_POINT_SIZE_MAX                 0x8127

#define GL_POINT_FADE_THRESHOLD_SIZE      0x8128

#define GL_POINT_DISTANCE_ATTENUATION     0x8129

#define GL_GENERATE_MIPMAP                0x8191

#define GL_GENERATE_MIPMAP_HINT           0x8192

#define GL_DEPTH_COMPONENT16              0x81A5

#define GL_DEPTH_COMPONENT24              0x81A6

#define GL_DEPTH_COMPONENT32              0x81A7

#define GL_MIRRORED_REPEAT                0x8370

#define GL_FOG_COORDINATE_SOURCE          0x8450

#define GL_FOG_COORDINATE                 0x8451

#define GL_FRAGMENT_DEPTH                 0x8452

#define GL_CURRENT_FOG_COORDINATE         0x8453

#define GL_FOG_COORDINATE_ARRAY_TYPE      0x8454

#define GL_FOG_COORDINATE_ARRAY_STRIDE    0x8455

#define GL_FOG_COORDINATE_ARRAY_POINTER   0x8456

#define GL_FOG_COORDINATE_ARRAY           0x8457

#define GL_COLOR_SUM                      0x8458

#define GL_CURRENT_SECONDARY_COLOR        0x8459

#define GL_SECONDARY_COLOR_ARRAY_SIZE     0x845A

#define GL_SECONDARY_COLOR_ARRAY_TYPE     0x845B

#define GL_SECONDARY_COLOR_ARRAY_STRIDE   0x845C

#define GL_SECONDARY_COLOR_ARRAY_POINTER  0x845D

#define GL_SECONDARY_COLOR_ARRAY          0x845E

#define GL_MAX_TEXTURE_LOD_BIAS           0x84FD

#define GL_TEXTURE_FILTER_CONTROL         0x8500

#define GL_TEXTURE_LOD_BIAS               0x8501

#define GL_INCR_WRAP                      0x8507

#define GL_DECR_WRAP                      0x8508

#define GL_TEXTURE_DEPTH_SIZE             0x884A

#define GL_DEPTH_TEXTURE_MODE             0x884B

#define GL_TEXTURE_COMPARE_MODE           0x884C

#define GL_TEXTURE_COMPARE_FUNC           0x884D

#define GL_COMPARE_R_TO_TEXTURE           0x884E

#endif

#ifndef GL_VERSION_1_5

#define GL_BUFFER_SIZE                    0x8764

#define GL_BUFFER_USAGE                   0x8765

#define GL_QUERY_COUNTER_BITS             0x8864

#define GL_CURRENT_QUERY                  0x8865

#define GL_QUERY_RESULT                   0x8866

#define GL_QUERY_RESULT_AVAILABLE         0x8867

#define GL_ARRAY_BUFFER                   0x8892

#define GL_ELEMENT_ARRAY_BUFFER           0x8893

#define GL_ARRAY_BUFFER_BINDING           0x8894

#define GL_ELEMENT_ARRAY_BUFFER_BINDING   0x8895

#define GL_VERTEX_ARRAY_BUFFER_BINDING    0x8896

#define GL_NORMAL_ARRAY_BUFFER_BINDING    0x8897

#define GL_COLOR_ARRAY_BUFFER_BINDING     0x8898

#define GL_INDEX_ARRAY_BUFFER_BINDING     0x8899

#define GL_TEXTURE_COORD_ARRAY_BUFFER_BINDING 0x889A

#define GL_EDGE_FLAG_ARRAY_BUFFER_BINDING 0x889B

#define GL_SECONDARY_COLOR_ARRAY_BUFFER_BINDING 0x889C

#define GL_FOG_COORDINATE_ARRAY_BUFFER_BINDING 0x889D

#define GL_WEIGHT_ARRAY_BUFFER_BINDING    0x889E

#define GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING 0x889F

#define GL_READ_ONLY                      0x88B8

#define GL_WRITE_ONLY                     0x88B9

#define GL_READ_WRITE                     0x88BA

#define GL_BUFFER_ACCESS                  0x88BB

#define GL_BUFFER_MAPPED                  0x88BC

#define GL_BUFFER_MAP_POINTER             0x88BD

#define GL_STREAM_DRAW                    0x88E0

#define GL_STREAM_READ                    0x88E1

#define GL_STREAM_COPY                    0x88E2

#define GL_STATIC_DRAW                    0x88E4

#define GL_STATIC_READ                    0x88E5

#define GL_STATIC_COPY                    0x88E6

#define GL_DYNAMIC_DRAW                   0x88E8

#define GL_DYNAMIC_READ                   0x88E9

#define GL_DYNAMIC_COPY                   0x88EA

#define GL_SAMPLES_PASSED                 0x8914

#define GL_FOG_COORD_SRC                  GL_FOG_COORDINATE_SOURCE

#define GL_FOG_COORD                      GL_FOG_COORDINATE

#define GL_CURRENT_FOG_COORD              GL_CURRENT_FOG_COORDINATE

#define GL_FOG_COORD_ARRAY_TYPE           GL_FOG_COORDINATE_ARRAY_TYPE

#define GL_FOG_COORD_ARRAY_STRIDE         GL_FOG_COORDINATE_ARRAY_STRIDE

#define GL_FOG_COORD_ARRAY_POINTER        GL_FOG_COORDINATE_ARRAY_POINTER

#define GL_FOG_COORD_ARRAY                GL_FOG_COORDINATE_ARRAY

#define GL_FOG_COORD_ARRAY_BUFFER_BINDING GL_FOG_COORDINATE_ARRAY_BUFFER_BINDING

#define GL_SRC0_RGB                       GL_SOURCE0_RGB

#define GL_SRC1_RGB                       GL_SOURCE1_RGB

#define GL_SRC2_RGB                       GL_SOURCE2_RGB

#define GL_SRC0_ALPHA                     GL_SOURCE0_ALPHA

#define GL_SRC1_ALPHA                     GL_SOURCE1_ALPHA

#define GL_SRC2_ALPHA                     GL_SOURCE2_ALPHA

#endif

#ifndef GL_VERSION_2_0

#define GL_BLEND_EQUATION_RGB             GL_BLEND_EQUATION

#define GL_VERTEX_ATTRIB_ARRAY_ENABLED    0x8622

#define GL_VERTEX_ATTRIB_ARRAY_SIZE       0x8623

#define GL_VERTEX_ATTRIB_ARRAY_STRIDE     0x8624

#define GL_VERTEX_ATTRIB_ARRAY_TYPE       0x8625

#define GL_CURRENT_VERTEX_ATTRIB          0x8626

#define GL_VERTEX_PROGRAM_POINT_SIZE      0x8642

#define GL_VERTEX_PROGRAM_TWO_SIDE        0x8643

#define GL_VERTEX_ATTRIB_ARRAY_POINTER    0x8645

#define GL_STENCIL_BACK_FUNC              0x8800

#define GL_STENCIL_BACK_FAIL              0x8801

#define GL_STENCIL_BACK_PASS_DEPTH_FAIL   0x8802

#define GL_STENCIL_BACK_PASS_DEPTH_PASS   0x8803

#define GL_MAX_DRAW_BUFFERS               0x8824

#define GL_DRAW_BUFFER0                   0x8825

#define GL_DRAW_BUFFER1                   0x8826

#define GL_DRAW_BUFFER2                   0x8827

#define GL_DRAW_BUFFER3                   0x8828

#define GL_DRAW_BUFFER4                   0x8829

#define GL_DRAW_BUFFER5                   0x882A

#define GL_DRAW_BUFFER6                   0x882B

#define GL_DRAW_BUFFER7                   0x882C

#define GL_DRAW_BUFFER8                   0x882D

#define GL_DRAW_BUFFER9                   0x882E

#define GL_DRAW_BUFFER10                  0x882F

#define GL_DRAW_BUFFER11                  0x8830

#define GL_DRAW_BUFFER12                  0x8831

#define GL_DRAW_BUFFER13                  0x8832

#define GL_DRAW_BUFFER14                  0x8833

#define GL_DRAW_BUFFER15                  0x8834

#define GL_BLEND_EQUATION_ALPHA           0x883D

#define GL_POINT_SPRITE                   0x8861

#define GL_COORD_REPLACE                  0x8862

#define GL_MAX_VERTEX_ATTRIBS             0x8869

#define GL_VERTEX_ATTRIB_ARRAY_NORMALIZED 0x886A

#define GL_MAX_TEXTURE_COORDS             0x8871

#define GL_MAX_TEXTURE_IMAGE_UNITS        0x8872

#define GL_FRAGMENT_SHADER                0x8B30

#define GL_VERTEX_SHADER                  0x8B31

#define GL_MAX_FRAGMENT_UNIFORM_COMPONENTS 0x8B49

#define GL_MAX_VERTEX_UNIFORM_COMPONENTS  0x8B4A

#define GL_MAX_VARYING_FLOATS             0x8B4B

#define GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS 0x8B4C

#define GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS 0x8B4D

#define GL_SHADER_TYPE                    0x8B4F

#define GL_FLOAT_VEC2                     0x8B50

#define GL_FLOAT_VEC3                     0x8B51

#define GL_FLOAT_VEC4                     0x8B52

#define GL_INT_VEC2                       0x8B53

#define GL_INT_VEC3                       0x8B54

#define GL_INT_VEC4                       0x8B55

#define GL_BOOL                           0x8B56

#define GL_BOOL_VEC2                      0x8B57

#define GL_BOOL_VEC3                      0x8B58

#define GL_BOOL_VEC4                      0x8B59

#define GL_FLOAT_MAT2                     0x8B5A

#define GL_FLOAT_MAT3                     0x8B5B

#define GL_FLOAT_MAT4                     0x8B5C

#define GL_SAMPLER_1D                     0x8B5D

#define GL_SAMPLER_2D                     0x8B5E

#define GL_SAMPLER_3D                     0x8B5F

#define GL_SAMPLER_CUBE                   0x8B60

#define GL_SAMPLER_1D_SHADOW              0x8B61

#define GL_SAMPLER_2D_SHADOW              0x8B62

#define GL_DELETE_STATUS                  0x8B80

#define GL_COMPILE_STATUS                 0x8B81

#define GL_LINK_STATUS                    0x8B82

#define GL_VALIDATE_STATUS                0x8B83

#define GL_INFO_LOG_LENGTH                0x8B84

#define GL_ATTACHED_SHADERS               0x8B85

#define GL_ACTIVE_UNIFORMS                0x8B86

#define GL_ACTIVE_UNIFORM_MAX_LENGTH      0x8B87

#define GL_SHADER_SOURCE_LENGTH           0x8B88

#define GL_ACTIVE_ATTRIBUTES              0x8B89

#define GL_ACTIVE_ATTRIBUTE_MAX_LENGTH    0x8B8A

#define GL_FRAGMENT_SHADER_DERIVATIVE_HINT 0x8B8B

#define GL_SHADING_LANGUAGE_VERSION       0x8B8C

#define GL_CURRENT_PROGRAM                0x8B8D

#define GL_POINT_SPRITE_COORD_ORIGIN      0x8CA0

#define GL_LOWER_LEFT                     0x8CA1

#define GL_UPPER_LEFT                     0x8CA2

#define GL_STENCIL_BACK_REF               0x8CA3

#define GL_STENCIL_BACK_VALUE_MASK        0x8CA4

#define GL_STENCIL_BACK_WRITEMASK         0x8CA5

#endif

#ifndef GL_VERSION_2_1

#define GL_PIXEL_PACK_BUFFER              0x88EB

#define GL_PIXEL_UNPACK_BUFFER            0x88EC

#define GL_PIXEL_PACK_BUFFER_BINDING      0x88ED

#define GL_PIXEL_UNPACK_BUFFER_BINDING    0x88EF

#define GL_SRGB                           0x8C40

#define GL_SRGB8                          0x8C41

#define GL_SRGB_ALPHA                     0x8C42

#define GL_SRGB8_ALPHA8                   0x8C43

#define GL_SLUMINANCE_ALPHA               0x8C44

#define GL_SLUMINANCE8_ALPHA8             0x8C45

#define GL_SLUMINANCE                     0x8C46

#define GL_SLUMINANCE8                    0x8C47

#define GL_COMPRESSED_SRGB                0x8C48

#define GL_COMPRESSED_SRGB_ALPHA          0x8C49

#define GL_COMPRESSED_SLUMINANCE          0x8C4A

#define GL_COMPRESSED_SLUMINANCE_ALPHA    0x8C4B

#define GL_FLOAT_MAT2x3                   0x8B65

#define GL_FLOAT_MAT2x4                   0x8B66

#define GL_FLOAT_MAT3x2                   0x8B67

#define GL_FLOAT_MAT3x4                   0x8B68

#define GL_FLOAT_MAT4x2                   0x8B69

#define GL_FLOAT_MAT4x3                   0x8B6A

#define GL_CURRENT_RASTER_SECONDARY_COLOR 0x845F

#endif

#ifndef GL_VERSION_3_0

#define GL_COMPARE_REF_TO_TEXTURE         GL_COMPARE_R_TO_TEXTURE_ARB

#define GL_CLIP_DISTANCE0                 GL_CLIP_PLANE0

#define GL_CLIP_DISTANCE1                 GL_CLIP_PLANE1

#define GL_CLIP_DISTANCE2                 GL_CLIP_PLANE2

#define GL_CLIP_DISTANCE3                 GL_CLIP_PLANE3

#define GL_CLIP_DISTANCE4                 GL_CLIP_PLANE4

#define GL_CLIP_DISTANCE5                 GL_CLIP_PLANE5

#define GL_MAX_CLIP_DISTANCES             GL_MAX_CLIP_PLANES

#define GL_MAJOR_VERSION                  0x821B

#define GL_MINOR_VERSION                  0x821C

#define GL_NUM_EXTENSIONS                 0x821D

#define GL_CONTEXT_FLAGS                  0x821E

#define GL_DEPTH_BUFFER                   0x8223

#define GL_STENCIL_BUFFER                 0x8224

#define GL_COMPRESSED_RED                 0x8225

#define GL_COMPRESSED_RG                  0x8226

#define GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT 0x0001

#define GL_RGBA32F                        0x8814

#define GL_RGB32F                         0x8815

#define GL_RGBA16F                        0x881A

#define GL_RGB16F                         0x881B

#define GL_VERTEX_ATTRIB_ARRAY_INTEGER    0x88FD

#define GL_MAX_ARRAY_TEXTURE_LAYERS       0x88FF

#define GL_MIN_PROGRAM_TEXEL_OFFSET       0x8904