#ifndef __gl2ext_h_

#define __gl2ext_h_

/*

 * Differences from the actual sample implementation provided by Khronos:

 * 1. This comment text.

 * 2. Doxygen comment with tag 'publishedAll', and tag 'released'

 */

/**

@publishedAll

@released

*/

/* $Id: gl2ext.h 4571 2007-11-28 16:33:30Z benj $ */

#ifdef __cplusplus

extern "C" {

#endif

/*

** SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)

** Copyright (C) 2008 Silicon Graphics, Inc. All Rights Reserved.

** 

** Permission is hereby granted, free of charge, to any person obtaining 

** a copy of this software and associated documentation files 

** (the "Software"), to deal in the Software without restriction, 

** including without limitation the rights to use, copy, modify, merge, 

** publish, distribute, sublicense, and/or sell copies of the Software, 

** and to permit persons to whom the Software is furnished to do so, 

** subject to the following conditions:

**  

** The above copyright notice including the dates of first 

** publication and either this permission notice or a reference to 

** http://oss.sgi.com/projects/FreeB/ shall be included in all copies 

** or substantial portions of the Software.

** 

** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 

** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 

** MERCHANTABILITY,FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 

** IN NO EVENT SHALL SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, 

** DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 

** OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR 

** THE USE OR OTHER DEALINGS IN THE SOFTWARE.

** 

** Except as contained in this notice, the name of Silicon Graphics, Inc. 

** shall not be used in advertising or otherwise to promote the sale, use 

** or other dealings in this Software without prior written authorization 

** from Silicon Graphics, Inc. 

*/

#ifndef GL_APIENTRYP

#   define GL_APIENTRYP GL_APIENTRY*

#endif

/*------------------------------------------------------------------------*

 * OES extension tokens

 *------------------------------------------------------------------------*/

/* GL_OES_compressed_ETC1_RGB8_texture */

#ifndef GL_OES_compressed_ETC1_RGB8_texture

#define GL_ETC1_RGB8_OES                                        0x8D64

#endif

/* GL_OES_compressed_paletted_texture */

#ifndef GL_OES_compressed_paletted_texture

#define GL_PALETTE4_RGB8_OES                                    0x8B90

#define GL_PALETTE4_RGBA8_OES                                   0x8B91

#define GL_PALETTE4_R5_G6_B5_OES                                0x8B92

#define GL_PALETTE4_RGBA4_OES                                   0x8B93

#define GL_PALETTE4_RGB5_A1_OES                                 0x8B94

#define GL_PALETTE8_RGB8_OES                                    0x8B95

#define GL_PALETTE8_RGBA8_OES                                   0x8B96

#define GL_PALETTE8_R5_G6_B5_OES                                0x8B97

#define GL_PALETTE8_RGBA4_OES                                   0x8B98

#define GL_PALETTE8_RGB5_A1_OES                                 0x8B99

#endif

/* GL_OES_EGL_image */

#ifndef GL_OES_EGL_image

typedef void* GLeglImageOES;

#endif

/* GL_OES_depth24 */

#ifndef GL_OES_depth24

#define GL_DEPTH_COMPONENT24_OES                                0x81A6

#endif

/* GL_OES_depth32 */

#ifndef GL_OES_depth32

#define GL_DEPTH_COMPONENT32_OES                                0x81A7

#endif

/* GL_OES_mapbuffer */

#ifndef GL_OES_mapbuffer

/* GL_READ_ONLY and GL_READ_WRITE not supported */

#define GL_WRITE_ONLY_OES                                       0x88B9

#define GL_BUFFER_ACCESS_OES                                    0x88BB

#define GL_BUFFER_MAPPED_OES                                    0x88BC

#define GL_BUFFER_MAP_POINTER_OES                               0x88BD

#endif

/* GL_OES_rgb8_rgba8 */

#ifndef GL_OES_rgb8_rgba8

#define GL_RGB8_OES                                             0x8051

#define GL_RGBA8_OES                                            0x8058

#endif

/* GL_OES_stencil1 */

#ifndef GL_OES_stencil1

#define GL_STENCIL_INDEX1_OES                                   0x8D46

#endif

/* GL_OES_stencil4 */

#ifndef GL_OES_stencil4

#define GL_STENCIL_INDEX4_OES                                   0x8D47

#endif

/* GL_OES_texture3D */

#ifndef GL_OES_texture3D

#define GL_TEXTURE_WRAP_R_OES                                   0x8072

#define GL_TEXTURE_3D_OES                                       0x806F

#define GL_TEXTURE_BINDING_3D_OES                               0x806A

#define GL_MAX_3D_TEXTURE_SIZE_OES                              0x8073

#define GL_SAMPLER_3D_OES                                       0x8B5F

#define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_3D_ZOFFSET_OES        0x8CD4

#endif

/* GL_OES_texture_half_float */

#ifndef GL_OES_texture_half_float

#define GL_HALF_FLOAT_OES                                       0x8D61

#endif

/* GL_OES_vertex_half_float */

/* GL_HALF_FLOAT_OES defined in GL_OES_texture_half_float already. */

/* GL_AMD_compressed_3DC_texture */

#ifndef GL_AMD_compressed_3DC_texture

#define GL_3DC_X_AMD                                            0x87F9

#define GL_3DC_XY_AMD                                           0x87FA

#endif

/* GL_AMD_compressed_ATC_texture */

#ifndef GL_AMD_compressed_ATC_texture

#define GL_ATC_RGB_AMD                                          0x8C92

#define GL_ATC_RGBA_EXPLICIT_ALPHA_AMD                          0x8C93

#define GL_ATC_RGBA_INTERPOLATED_ALPHA_AMD                      0x87EE

#endif

/* GL_EXT_texture_filter_anisotropic */

#ifndef GL_EXT_texture_filter_anisotropic

#define GL_TEXTURE_MAX_ANISOTROPY_EXT                           0x84FE

#define GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT                       0x84FF

#endif

/*------------------------------------------------------------------------*

 * OES extension functions

 *------------------------------------------------------------------------*/

/* GL_OES_compressed_ETC1_RGB8_texture */

#ifndef GL_OES_compressed_ETC1_RGB8_texture

#define GL_OES_compressed_ETC1_RGB8_texture 1

#endif

/* GL_OES_compressed_paletted_texture */

#ifndef GL_OES_compressed_paletted_texture

#define GL_OES_compressed_paletted_texture 1

#endif

/* GL_OES_EGL_image */

#ifndef GL_OES_EGL_image

#define GL_OES_EGL_image 1

#ifdef GL_GLEXT_PROTOTYPES

GL_APICALL void GL_APIENTRY glEGLImageTargetTexture2DOES (GLenum target, GLeglImageOES image);

GL_APICALL void GL_APIENTRY glEGLImageTargetRenderbufferStorageOES (GLenum target, GLeglImageOES image);

#endif

typedef void (GL_APIENTRYP PFNGLEGLIMAGETARGETTEXTURE2DOESPROC) (GLenum target, GLeglImageOES image);

typedef void (GL_APIENTRYP PFNGLEGLIMAGETARGETRENDERBUFFERSTORAGEOESPROC) (GLenum target, GLeglImageOES image);

#endif

/* GL_OES_depth24 */

#ifndef GL_OES_depth24

#define GL_OES_depth24 1

#endif

/* GL_OES_depth32 */

#ifndef GL_OES_depth32

#define GL_OES_depth32 1

#endif

/* GL_OES_element_index_uint */

#ifndef GL_OES_element_index_uint

#define GL_OES_element_index_uint 1

#endif

/* GL_OES_fbo_render_mipmap */

#ifndef GL_OES_fbo_render_mipmap

#define GL_OES_fbo_render_mipmap 1

#endif

/* GL_OES_fragment_precision_high */

#ifndef GL_OES_fragment_precision_high

#define GL_OES_fragment_precision_high 1

#endif

/* GL_OES_mapbuffer */

#ifndef GL_OES_mapbuffer

#define GL_OES_mapbuffer 1

#ifdef GL_GLEXT_PROTOTYPES

GL_APICALL void* GL_APIENTRY glMapBufferOES (GLenum target, GLenum access);

GL_APICALL GLboolean GL_APIENTRY glUnmapBufferOES (GLenum target);

GL_APICALL void GL_APIENTRY glGetBufferPointervOES (GLenum target, GLenum pname, void** params);

#endif

typedef void* (GL_APIENTRYP PFNGLMAPBUFFEROESPROC) (GLenum target, GLenum access);

typedef GLboolean (GL_APIENTRYP PFNGLUNMAPBUFFEROESPROC) (GLenum target);

typedef void (GL_APIENTRYP PFNGLGETBUFFERPOINTERVOESPROC) (GLenum target, GLenum pname, void** params);

#endif

/* GL_OES_rgb8_rgba8 */

#ifndef GL_OES_rgb8_rgba8

#define GL_OES_rgb8_rgba8 1

#endif

/* GL_OES_stencil1 */

#ifndef GL_OES_stencil1

#define GL_OES_stencil1 1

#endif

/* GL_OES_stencil4 */

#ifndef GL_OES_stencil4

#define GL_OES_stencil4 1

#endif

/* GL_OES_texture_3D */

#ifndef GL_OES_texture_3D

#define GL_OES_texture_3D 1

#ifdef GL_GLEXT_PROTOTYPES

GL_APICALL void GL_APIENTRY glTexImage3DOES (GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLenum format, GLenum type, const void* pixels);

GL_APICALL void GL_APIENTRY glTexSubImage3DOES (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const void* pixels);

GL_APICALL void GL_APIENTRY glCopyTexSubImage3DOES (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height);

GL_APICALL void GL_APIENTRY glCompressedTexImage3DOES (GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLsizei imageSize, const void* data);

GL_APICALL void GL_APIENTRY glCompressedTexSubImage3DOES (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLsizei imageSize, const void* data);

GL_APICALL void GL_APIENTRY glFramebufferTexture3DOES (GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level, GLint zoffset);

#endif

typedef void (GL_APIENTRYP PFNGLTEXIMAGE3DOESPROC) (GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLenum format, GLenum type, const GLvoid* pixels);

typedef void (GL_APIENTRYP PFNGLTEXSUBIMAGE3DOESPROC) (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const void* pixels);

typedef void (GL_APIENTRYP PFNGLCOPYTEXSUBIMAGE3DOESPROC) (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height);

typedef void (GL_APIENTRYP PFNGLCOMPRESSEDTEXIMAGE3DOESPROC) (GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLsizei imageSize, const void* data);

typedef void (GL_APIENTRYP PFNGLCOMPRESSEDTEXSUBIMAGE3DOESPROC) (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLsizei imageSize, const void* data);

typedef void (GL_APIENTRYP PFNGLFRAMEBUFFERTEXTURE3DOES) (GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level, GLint zoffset);

#endif

/* GL_OES_texture_float_linear */

#ifndef GL_OES_texture_float_linear

#define GL_OES_texture_float_linear 1

#endif

/* GL_OES_texture_half_float_linear */

#ifndef GL_OES_texture_half_float_linear

#define GL_OES_texture_half_float_linear 1

#endif

/* GL_OES_texture_float */

#ifndef GL_OES_texture_float

#define GL_OES_texture_float 1

#endif

/* GL_OES_texture_half_float */

#ifndef GL_OES_texture_half_float

#define GL_OES_texture_half_float 1

#endif

/* GL_OES_texture_npot */

#ifndef GL_OES_texture_npot

#define GL_OES_texture_npot 1

#endif

/* GL_OES_vertex_half_float */

#ifndef GL_OES_vertex_half_float

#define GL_OES_vertex_half_float 1

#endif

/* GL_AMD_compressed_3DC_texture */

#ifndef GL_AMD_compressed_3DC_texture

#define GL_AMD_compressed_3DC_texture 1

#endif

/* GL_AMD_compressed_ATC_texture */

#ifndef GL_AMD_compressed_ATC_texture

#define GL_AMD_compressed_ATC_texture 1

#endif

/* GL_EXT_texture_filter_anisotropic */

#ifndef GL_EXT_texture_filter_anisotropic

#define GL_EXT_texture_filter_anisotropic 1

#endif

#ifdef __cplusplus

}

#endif

#endif /* __gl2ext_h_ */