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/*
===========================================================================
Copyright (C) 1999-2005 Id Software, Inc.
Copyright (C) 2000-2013 Darklegion Development
This file is part of Tremulous.
Quake III Arena source code is free software; you can redistribute it
and/or modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
Quake III Arena source code 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 Quake III Arena source code; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
===========================================================================
*/
/*
** QGL.H
*/
#ifndef __QGL2_H__
#define __QGL2_H__
#include "../renderercommon/qgl.h"
// GL_EXT_draw_range_elements
extern void (APIENTRY * qglDrawRangeElementsEXT) (GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const GLvoid *indices);
// GL_EXT_multi_draw_arrays
extern void (APIENTRY * qglMultiDrawArraysEXT) (GLenum, GLint *, GLsizei *, GLsizei);
extern void (APIENTRY * qglMultiDrawElementsEXT) (GLenum, const GLsizei *, GLenum, const GLvoid **, GLsizei);
// GL_ARB_shading_language_100
#ifndef GL_ARB_shading_language_100
#define GL_ARB_shading_language_100
#define GL_SHADING_LANGUAGE_VERSION_ARB 0x8B8C
#endif
// GL_ARB_vertex_program
extern void (APIENTRY * qglVertexAttrib4fARB) (GLuint, GLfloat, GLfloat, GLfloat, GLfloat);
extern void (APIENTRY * qglVertexAttrib4fvARB) (GLuint, const GLfloat *);
extern void (APIENTRY * qglVertexAttribPointerARB) (GLuint index, GLint size, GLenum type, GLboolean normalized,
GLsizei stride, const GLvoid * pointer);
extern void (APIENTRY * qglEnableVertexAttribArrayARB) (GLuint index);
extern void (APIENTRY * qglDisableVertexAttribArrayARB) (GLuint index);
// GL_ARB_vertex_buffer_object
extern void (APIENTRY * qglBindBufferARB) (GLenum target, GLuint buffer);
extern void (APIENTRY * qglDeleteBuffersARB) (GLsizei n, const GLuint * buffers);
extern void (APIENTRY * qglGenBuffersARB) (GLsizei n, GLuint * buffers);
extern GLboolean(APIENTRY * qglIsBufferARB) (GLuint buffer);
extern void (APIENTRY * qglBufferDataARB) (GLenum target, GLsizeiptrARB size, const GLvoid * data, GLenum usage);
extern void (APIENTRY * qglBufferSubDataARB) (GLenum target, GLintptrARB offset, GLsizeiptrARB size, const GLvoid * data);
extern void (APIENTRY * qglGetBufferSubDataARB) (GLenum target, GLintptrARB offset, GLsizeiptrARB size, GLvoid * data);
extern void (APIENTRY * qglGetBufferParameterivARB) (GLenum target, GLenum pname, GLint * params);
extern void (APIENTRY * qglGetBufferPointervARB) (GLenum target, GLenum pname, GLvoid * *params);
// GL_ARB_shader_objects
extern void (APIENTRY * qglDeleteObjectARB) (GLhandleARB obj);
extern GLhandleARB(APIENTRY * qglGetHandleARB) (GLenum pname);
extern void (APIENTRY * qglDetachObjectARB) (GLhandleARB containerObj, GLhandleARB attachedObj);
extern GLhandleARB(APIENTRY * qglCreateShaderObjectARB) (GLenum shaderType);
extern void (APIENTRY * qglShaderSourceARB) (GLhandleARB shaderObj, GLsizei count, const GLcharARB * *string,
const GLint * length);
extern void (APIENTRY * qglCompileShaderARB) (GLhandleARB shaderObj);
extern GLhandleARB(APIENTRY * qglCreateProgramObjectARB) (void);
extern void (APIENTRY * qglAttachObjectARB) (GLhandleARB containerObj, GLhandleARB obj);
extern void (APIENTRY * qglLinkProgramARB) (GLhandleARB programObj);
extern void (APIENTRY * qglUseProgramObjectARB) (GLhandleARB programObj);
extern void (APIENTRY * qglValidateProgramARB) (GLhandleARB programObj);
extern void (APIENTRY * qglUniform1fARB) (GLint location, GLfloat v0);
extern void (APIENTRY * qglUniform2fARB) (GLint location, GLfloat v0, GLfloat v1);
extern void (APIENTRY * qglUniform3fARB) (GLint location, GLfloat v0, GLfloat v1, GLfloat v2);
extern void (APIENTRY * qglUniform4fARB) (GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3);
extern void (APIENTRY * qglUniform1iARB) (GLint location, GLint v0);
extern void (APIENTRY * qglUniform2iARB) (GLint location, GLint v0, GLint v1);
extern void (APIENTRY * qglUniform3iARB) (GLint location, GLint v0, GLint v1, GLint v2);
extern void (APIENTRY * qglUniform4iARB) (GLint location, GLint v0, GLint v1, GLint v2, GLint v3);
extern void (APIENTRY * qglUniform1fvARB) (GLint location, GLsizei count, const GLfloat * value);
extern void (APIENTRY * qglUniform2fvARB) (GLint location, GLsizei count, const GLfloat * value);
extern void (APIENTRY * qglUniform3fvARB) (GLint location, GLsizei count, const GLfloat * value);
extern void (APIENTRY * qglUniform4fvARB) (GLint location, GLsizei count, const GLfloat * value);
extern void (APIENTRY * qglUniform2ivARB) (GLint location, GLsizei count, const GLint * value);
extern void (APIENTRY * qglUniform3ivARB) (GLint location, GLsizei count, const GLint * value);
extern void (APIENTRY * qglUniform4ivARB) (GLint location, GLsizei count, const GLint * value);
extern void (APIENTRY * qglUniformMatrix2fvARB) (GLint location, GLsizei count, GLboolean transpose, const GLfloat * value);
extern void (APIENTRY * qglUniformMatrix3fvARB) (GLint location, GLsizei count, GLboolean transpose, const GLfloat * value);
extern void (APIENTRY * qglUniformMatrix4fvARB) (GLint location, GLsizei count, GLboolean transpose, const GLfloat * value);
extern void (APIENTRY * qglGetObjectParameterfvARB) (GLhandleARB obj, GLenum pname, GLfloat * params);
extern void (APIENTRY * qglGetObjectParameterivARB) (GLhandleARB obj, GLenum pname, GLint * params);
extern void (APIENTRY * qglGetInfoLogARB) (GLhandleARB obj, GLsizei maxLength, GLsizei * length, GLcharARB * infoLog);
extern void (APIENTRY * qglGetAttachedObjectsARB) (GLhandleARB containerObj, GLsizei maxCount, GLsizei * count,
GLhandleARB * obj);
extern GLint(APIENTRY * qglGetUniformLocationARB) (GLhandleARB programObj, const GLcharARB * name);
extern void (APIENTRY * qglGetActiveUniformARB) (GLhandleARB programObj, GLuint index, GLsizei maxIndex, GLsizei * length,
GLint * size, GLenum * type, GLcharARB * name);
extern void (APIENTRY * qglGetUniformfvARB) (GLhandleARB programObj, GLint location, GLfloat * params);
extern void (APIENTRY * qglGetUniformivARB) (GLhandleARB programObj, GLint location, GLint * params);
extern void (APIENTRY * qglGetShaderSourceARB) (GLhandleARB obj, GLsizei maxLength, GLsizei * length, GLcharARB * source);
// GL_ARB_vertex_shader
extern void (APIENTRY * qglBindAttribLocationARB) (GLhandleARB programObj, GLuint index, const GLcharARB * name);
extern void (APIENTRY * qglGetActiveAttribARB) (GLhandleARB programObj, GLuint index, GLsizei maxLength, GLsizei * length,
GLint * size, GLenum * type, GLcharARB * name);
extern GLint(APIENTRY * qglGetAttribLocationARB) (GLhandleARB programObj, const GLcharARB * name);
// GL_ARB_texture_compression
extern void (APIENTRY * qglCompressedTexImage3DARB)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height,
GLsizei depth, GLint border, GLsizei imageSize, const GLvoid *data);
extern void (APIENTRY * qglCompressedTexImage2DARB)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height,
GLint border, GLsizei imageSize, const GLvoid *data);
extern void (APIENTRY * qglCompressedTexImage1DARB)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLint border,
GLsizei imageSize, const GLvoid *data);
extern void (APIENTRY * qglCompressedTexSubImage3DARB)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset,
GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLsizei imageSize, const GLvoid *data);
extern void (APIENTRY * qglCompressedTexSubImage2DARB)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width,
GLsizei height, GLenum format, GLsizei imageSize, const GLvoid *data);
extern void (APIENTRY * qglCompressedTexSubImage1DARB)(GLenum target, GLint level, GLint xoffset, GLsizei width, GLenum format,
GLsizei imageSize, const GLvoid *data);
extern void (APIENTRY * qglGetCompressedTexImageARB)(GLenum target, GLint lod,
GLvoid *img);
// GL_NVX_gpu_memory_info
#ifndef GL_NVX_gpu_memory_info
#define GL_NVX_gpu_memory_info
#define GL_GPU_MEMORY_INFO_DEDICATED_VIDMEM_NVX 0x9047
#define GL_GPU_MEMORY_INFO_TOTAL_AVAILABLE_MEMORY_NVX 0x9048
#define GL_GPU_MEMORY_INFO_CURRENT_AVAILABLE_VIDMEM_NVX 0x9049
#define GL_GPU_MEMORY_INFO_EVICTION_COUNT_NVX 0x904A
#define GL_GPU_MEMORY_INFO_EVICTED_MEMORY_NVX 0x904B
#endif
// GL_ATI_meminfo
#ifndef GL_ATI_meminfo
#define GL_ATI_meminfo
#define GL_VBO_FREE_MEMORY_ATI 0x87FB
#define GL_TEXTURE_FREE_MEMORY_ATI 0x87FC
#define GL_RENDERBUFFER_FREE_MEMORY_ATI 0x87FD
#endif
// GL_ARB_texture_float
#ifndef GL_ARB_texture_float
#define GL_ARB_texture_float
#define GL_TEXTURE_RED_TYPE_ARB 0x8C10
#define GL_TEXTURE_GREEN_TYPE_ARB 0x8C11
#define GL_TEXTURE_BLUE_TYPE_ARB 0x8C12
#define GL_TEXTURE_ALPHA_TYPE_ARB 0x8C13
#define GL_TEXTURE_LUMINANCE_TYPE_ARB 0x8C14
#define GL_TEXTURE_INTENSITY_TYPE_ARB 0x8C15
#define GL_TEXTURE_DEPTH_TYPE_ARB 0x8C16
#define GL_UNSIGNED_NORMALIZED_ARB 0x8C17
#define GL_RGBA32F_ARB 0x8814
#define GL_RGB32F_ARB 0x8815
#define GL_ALPHA32F_ARB 0x8816
#define GL_INTENSITY32F_ARB 0x8817
#define GL_LUMINANCE32F_ARB 0x8818
#define GL_LUMINANCE_ALPHA32F_ARB 0x8819
#define GL_RGBA16F_ARB 0x881A
#define GL_RGB16F_ARB 0x881B
#define GL_ALPHA16F_ARB 0x881C
#define GL_INTENSITY16F_ARB 0x881D
#define GL_LUMINANCE16F_ARB 0x881E
#define GL_LUMINANCE_ALPHA16F_ARB 0x881F
#endif
#ifndef GL_ARB_half_float_pixel
#define GL_ARB_half_float_pixel
#define GL_HALF_FLOAT_ARB 0x140B
#endif
// GL_EXT_framebuffer_object
extern GLboolean (APIENTRY * qglIsRenderbufferEXT)(GLuint renderbuffer);
extern void (APIENTRY * qglBindRenderbufferEXT)(GLenum target, GLuint renderbuffer);
extern void (APIENTRY * qglDeleteRenderbuffersEXT)(GLsizei n, const GLuint *renderbuffers);
extern void (APIENTRY * qglGenRenderbuffersEXT)(GLsizei n, GLuint *renderbuffers);
extern void (APIENTRY * qglRenderbufferStorageEXT)(GLenum target, GLenum internalformat, GLsizei width, GLsizei height);
extern void (APIENTRY * qglGetRenderbufferParameterivEXT)(GLenum target, GLenum pname, GLint *params);
extern GLboolean (APIENTRY * qglIsFramebufferEXT)(GLuint framebuffer);
extern void (APIENTRY * qglBindFramebufferEXT)(GLenum target, GLuint framebuffer);
extern void (APIENTRY * qglDeleteFramebuffersEXT)(GLsizei n, const GLuint *framebuffers);
extern void (APIENTRY * qglGenFramebuffersEXT)(GLsizei n, GLuint *framebuffers);
extern GLenum (APIENTRY * qglCheckFramebufferStatusEXT)(GLenum target);
extern void (APIENTRY * qglFramebufferTexture1DEXT)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture,
GLint level);
extern void (APIENTRY * qglFramebufferTexture2DEXT)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture,
GLint level);
extern void (APIENTRY * qglFramebufferTexture3DEXT)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture,
GLint level, GLint zoffset);
extern void (APIENTRY * qglFramebufferRenderbufferEXT)(GLenum target, GLenum attachment, GLenum renderbuffertarget,
GLuint renderbuffer);
extern void (APIENTRY * qglGetFramebufferAttachmentParameterivEXT)(GLenum target, GLenum attachment, GLenum pname, GLint *params);
extern void (APIENTRY * qglGenerateMipmapEXT)(GLenum target);
#ifndef GL_EXT_framebuffer_object
#define GL_EXT_framebuffer_object
#define GL_FRAMEBUFFER_EXT 0x8D40
#define GL_RENDERBUFFER_EXT 0x8D41
#define GL_STENCIL_INDEX1_EXT 0x8D46
#define GL_STENCIL_INDEX4_EXT 0x8D47
#define GL_STENCIL_INDEX8_EXT 0x8D48
#define GL_STENCIL_INDEX16_EXT 0x8D49
#define GL_RENDERBUFFER_WIDTH_EXT 0x8D42
#define GL_RENDERBUFFER_HEIGHT_EXT 0x8D43
#define GL_RENDERBUFFER_INTERNAL_FORMAT_EXT 0x8D44
#define GL_RENDERBUFFER_RED_SIZE_EXT 0x8D50
#define GL_RENDERBUFFER_GREEN_SIZE_EXT 0x8D51
#define GL_RENDERBUFFER_BLUE_SIZE_EXT 0x8D52
#define GL_RENDERBUFFER_ALPHA_SIZE_EXT 0x8D53
#define GL_RENDERBUFFER_DEPTH_SIZE_EXT 0x8D54
#define GL_RENDERBUFFER_STENCIL_SIZE_EXT 0x8D55
#define GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE_EXT 0x8CD0
#define GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME_EXT 0x8CD1
#define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL_EXT 0x8CD2
#define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE_EXT 0x8CD3
#define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_3D_ZOFFSET_EXT 0x8CD4
#define GL_COLOR_ATTACHMENT0_EXT 0x8CE0
#define GL_COLOR_ATTACHMENT1_EXT 0x8CE1
#define GL_COLOR_ATTACHMENT2_EXT 0x8CE2
#define GL_COLOR_ATTACHMENT3_EXT 0x8CE3
#define GL_COLOR_ATTACHMENT4_EXT 0x8CE4
#define GL_COLOR_ATTACHMENT5_EXT 0x8CE5
#define GL_COLOR_ATTACHMENT6_EXT 0x8CE6
#define GL_COLOR_ATTACHMENT7_EXT 0x8CE7
#define GL_COLOR_ATTACHMENT8_EXT 0x8CE8
#define GL_COLOR_ATTACHMENT9_EXT 0x8CE9
#define GL_COLOR_ATTACHMENT10_EXT 0x8CEA
#define GL_COLOR_ATTACHMENT11_EXT 0x8CEB
#define GL_COLOR_ATTACHMENT12_EXT 0x8CEC
#define GL_COLOR_ATTACHMENT13_EXT 0x8CED
#define GL_COLOR_ATTACHMENT14_EXT 0x8CEE
#define GL_COLOR_ATTACHMENT15_EXT 0x8CEF
#define GL_DEPTH_ATTACHMENT_EXT 0x8D00
#define GL_STENCIL_ATTACHMENT_EXT 0x8D20
#define GL_FRAMEBUFFER_COMPLETE_EXT 0x8CD5
#define GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT 0x8CD6
#define GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT 0x8CD7
#define GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT 0x8CD9
#define GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT 0x8CDA
#define GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER_EXT 0x8CDB
#define GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT 0x8CDC
#define GL_FRAMEBUFFER_UNSUPPORTED_EXT 0x8CDD
#define GL_FRAMEBUFFER_BINDING_EXT 0x8CA6
#define GL_RENDERBUFFER_BINDING_EXT 0x8CA7
#define GL_MAX_COLOR_ATTACHMENTS_EXT 0x8CDF
#define GL_MAX_RENDERBUFFER_SIZE_EXT 0x84E8
#define GL_INVALID_FRAMEBUFFER_OPERATION_EXT 0x0506
#endif
// GL_EXT_packed_depth_stencil
#ifndef GL_EXT_packed_depth_stencil
#define GL_EXT_packed_depth_stencil
#define GL_DEPTH_STENCIL_EXT 0x84F9
#define GL_UNSIGNED_INT_24_8_EXT 0x84FA
#define GL_DEPTH24_STENCIL8_EXT 0x88F0
#define GL_TEXTURE_STENCIL_SIZE_EXT 0x88F1
#endif
// GL_ARB_occlusion_query
extern void (APIENTRY * qglGenQueriesARB)(GLsizei n, GLuint *ids);
extern void (APIENTRY * qglDeleteQueriesARB)(GLsizei n, const GLuint *ids);
extern GLboolean (APIENTRY * qglIsQueryARB)(GLuint id);
extern void (APIENTRY * qglBeginQueryARB)(GLenum target, GLuint id);
extern void (APIENTRY * qglEndQueryARB)(GLenum target);
extern void (APIENTRY * qglGetQueryivARB)(GLenum target, GLenum pname, GLint *params);
extern void (APIENTRY * qglGetQueryObjectivARB)(GLuint id, GLenum pname, GLint *params);
extern void (APIENTRY * qglGetQueryObjectuivARB)(GLuint id, GLenum pname, GLuint *params);
#ifndef GL_ARB_occlusion_query
#define GL_ARB_occlusion_query
#define GL_SAMPLES_PASSED_ARB 0x8914
#define GL_QUERY_COUNTER_BITS_ARB 0x8864
#define GL_CURRENT_QUERY_ARB 0x8865
#define GL_QUERY_RESULT_ARB 0x8866
#define GL_QUERY_RESULT_AVAILABLE_ARB 0x8867
#endif
// GL_EXT_framebuffer_blit
extern void (APIENTRY * qglBlitFramebufferEXT)(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
GLbitfield mask, GLenum filter);
#ifndef GL_EXT_framebuffer_blit
#define GL_EXT_framebuffer_blit
#define GL_READ_FRAMEBUFFER_EXT 0x8CA8
#define GL_DRAW_FRAMEBUFFER_EXT 0x8CA9
#define GL_DRAW_FRAMEBUFFER_BINDING_EXT 0x8CA6
#define GL_READ_FRAMEBUFFER_BINDING_EXT 0x8CAA
#endif
// GL_EXT_framebuffer_multisample
extern void (APIENTRY * qglRenderbufferStorageMultisampleEXT)(GLenum target, GLsizei samples,
GLenum internalformat, GLsizei width, GLsizei height);
#ifndef GL_EXT_framebuffer_multisample
#define GL_EXT_framebuffer_multisample
#define GL_RENDERBUFFER_SAMPLES_EXT 0x8CAB
#define GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE_EXT 0x8D56
#define GL_MAX_SAMPLES_EXT 0x8D57
#endif
#ifndef GL_EXT_texture_sRGB
#define GL_EXT_texture_sRGB
#define GL_SRGB_EXT 0x8C40
#define GL_SRGB8_EXT 0x8C41
#define GL_SRGB_ALPHA_EXT 0x8C42
#define GL_SRGB8_ALPHA8_EXT 0x8C43
#define GL_SLUMINANCE_ALPHA_EXT 0x8C44
#define GL_SLUMINANCE8_ALPHA8_EXT 0x8C45
#define GL_SLUMINANCE_EXT 0x8C46
#define GL_SLUMINANCE8_EXT 0x8C47
#define GL_COMPRESSED_SRGB_EXT 0x8C48
#define GL_COMPRESSED_SRGB_ALPHA_EXT 0x8C49
#define GL_COMPRESSED_SLUMINANCE_EXT 0x8C4A
#define GL_COMPRESSED_SLUMINANCE_ALPHA_EXT 0x8C4B
#define GL_COMPRESSED_SRGB_S3TC_DXT1_EXT 0x8C4C
#define GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT 0x8C4D
#define GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT 0x8C4E
#define GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT 0x8C4F
#endif
#ifndef GL_EXT_framebuffer_sRGB
#define GL_EXT_framebuffer_sRGB
#define GL_FRAMEBUFFER_SRGB_EXT 0x8DB9
#endif
#ifndef GL_EXT_texture_compression_latc
#define GL_EXT_texture_compression_latc
#define GL_COMPRESSED_LUMINANCE_LATC1_EXT 0x8C70
#define GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT 0x8C71
#define GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT 0x8C72
#define GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT 0x8C73
#endif
#ifndef GL_ARB_texture_compression_bptc
#define GL_ARB_texture_compression_bptc
#define GL_COMPRESSED_RGBA_BPTC_UNORM_ARB 0x8E8C
#define GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM_ARB 0x8E8D
#define GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT_ARB 0x8E8E
#define GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_ARB 0x8E8F
#endif
// GL_ARB_draw_buffers
extern void (APIENTRY * qglDrawBuffersARB)(GLsizei n, const GLenum *bufs);
#ifndef GL_ARB_draw_buffers
#define GL_ARB_draw_buffers
#define GL_MAX_DRAW_BUFFERS_ARB 0x8824
#define GL_DRAW_BUFFER0_ARB 0x8825
#define GL_DRAW_BUFFER1_ARB 0x8826
#define GL_DRAW_BUFFER2_ARB 0x8827
#define GL_DRAW_BUFFER3_ARB 0x8828
#define GL_DRAW_BUFFER4_ARB 0x8829
#define GL_DRAW_BUFFER5_ARB 0x882A
#define GL_DRAW_BUFFER6_ARB 0x882B
#define GL_DRAW_BUFFER7_ARB 0x882C
#define GL_DRAW_BUFFER8_ARB 0x882D
#define GL_DRAW_BUFFER9_ARB 0x882E
#define GL_DRAW_BUFFER10_ARB 0x882F
#define GL_DRAW_BUFFER11_ARB 0x8830
#define GL_DRAW_BUFFER12_ARB 0x8831
#define GL_DRAW_BUFFER13_ARB 0x8832
#define GL_DRAW_BUFFER14_ARB 0x8833
#define GL_DRAW_BUFFER15_ARB 0x8834
#endif
#ifndef GL_ARB_depth_clamp
#define GL_ARB_depth_clamp
#define GL_DEPTH_CLAMP 0x864F
#endif
#if defined(WIN32)
// WGL_ARB_create_context
#ifndef WGL_ARB_create_context
#define WGL_CONTEXT_MAJOR_VERSION_ARB 0x2091
#define WGL_CONTEXT_MINOR_VERSION_ARB 0x2092
#define WGL_CONTEXT_LAYER_PLANE_ARB 0x2093
#define WGL_CONTEXT_FLAGS_ARB 0x2094
#define WGL_CONTEXT_PROFILE_MASK_ARB 0x9126
#define WGL_CONTEXT_DEBUG_BIT_ARB 0x0001
#define WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB 0x0002
#define WGL_CONTEXT_CORE_PROFILE_BIT_ARB 0x00000001
#define WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB 0x00000002
#define ERROR_INVALID_VERSION_ARB 0x2095
#define ERROR_INVALID_PROFILE_ARB 0x2096
#endif
extern HGLRC(APIENTRY * qwglCreateContextAttribsARB) (HDC hdC, HGLRC hShareContext, const int *attribList);
#endif
#if 0 //defined(__linux__)
// GLX_ARB_create_context
#ifndef GLX_ARB_create_context
#define GLX_CONTEXT_DEBUG_BIT_ARB 0x00000001
#define GLX_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB 0x00000002
#define GLX_CONTEXT_MAJOR_VERSION_ARB 0x2091
#define GLX_CONTEXT_MINOR_VERSION_ARB 0x2092
#define GLX_CONTEXT_FLAGS_ARB 0x2094
#endif
extern GLXContext (APIENTRY * qglXCreateContextAttribsARB) (Display *dpy, GLXFBConfig config, GLXContext share_context, Bool direct, const int *attrib_list);
#endif
#endif
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