785 lines
		
	
	
		
			34 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			785 lines
		
	
	
		
			34 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
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								//-----------------------------------------------------------------------------
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								// About imgui_impl_opengl3_loader.h:
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								//
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								// We embed our own OpenGL loader to not require user to provide their own or to have to use ours,
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								// which proved to be endless problems for users.
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								// Our loader is custom-generated, based on gl3w but automatically filtered to only include
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								// enums/functions that we use in our imgui_impl_opengl3.cpp source file in order to be small.
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								//
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								// YOU SHOULD NOT NEED TO INCLUDE/USE THIS DIRECTLY. THIS IS USED BY imgui_impl_opengl3.cpp ONLY.
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								// THE REST OF YOUR APP SHOULD USE A DIFFERENT GL LOADER: ANY GL LOADER OF YOUR CHOICE.
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								//
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								// Regenerate with:
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								//   python gl3w_gen.py --output ../imgui/backends/imgui_impl_opengl3_loader.h --ref ../imgui/backends/imgui_impl_opengl3.cpp ./extra_symbols.txt
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								//
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								// More info:
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								//   https://github.com/dearimgui/gl3w_stripped
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								//   https://github.com/ocornut/imgui/issues/4445
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								//-----------------------------------------------------------------------------
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								/*
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								 * This file was generated with gl3w_gen.py, part of imgl3w
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								 * (hosted at https://github.com/dearimgui/gl3w_stripped)
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								 *
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								 * This is free and unencumbered software released into the public domain.
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								 *
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								 * Anyone is free to copy, modify, publish, use, compile, sell, or
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								 * distribute this software, either in source code form or as a compiled
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								 * binary, for any purpose, commercial or non-commercial, and by any
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								 * means.
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								 *
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								 * In jurisdictions that recognize copyright laws, the author or authors
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								 * of this software dedicate any and all copyright interest in the
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								 * software to the public domain. We make this dedication for the benefit
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								 * of the public at large and to the detriment of our heirs and
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								 * successors. We intend this dedication to be an overt act of
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								 * relinquishment in perpetuity of all present and future rights to this
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								 * software under copyright law.
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								 *
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								 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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								 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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								 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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								 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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								 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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								 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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								 * OTHER DEALINGS IN THE SOFTWARE.
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								 */
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								#ifndef __gl3w_h_
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								#define __gl3w_h_
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								// Adapted from KHR/khrplatform.h to avoid including entire file.
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								#ifndef __khrplatform_h_
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								typedef          float         khronos_float_t;
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								typedef signed   char          khronos_int8_t;
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								typedef unsigned char          khronos_uint8_t;
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								typedef signed   short int     khronos_int16_t;
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								typedef unsigned short int     khronos_uint16_t;
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								#ifdef _WIN64
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								typedef signed   long long int khronos_intptr_t;
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								typedef signed   long long int khronos_ssize_t;
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								#else
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								typedef signed   long  int     khronos_intptr_t;
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								typedef signed   long  int     khronos_ssize_t;
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								#endif
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								#if defined(_MSC_VER) && !defined(__clang__)
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								typedef signed   __int64       khronos_int64_t;
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								typedef unsigned __int64       khronos_uint64_t;
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								#elif (defined(__clang__) || defined(__GNUC__)) && (__cplusplus < 201100)
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								#include <stdint.h>
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								typedef          int64_t       khronos_int64_t;
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								typedef          uint64_t      khronos_uint64_t;
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								#else
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								typedef signed   long long     khronos_int64_t;
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								typedef unsigned long long     khronos_uint64_t;
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								#endif
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								#endif  // __khrplatform_h_
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								#ifndef __gl_glcorearb_h_
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								#define __gl_glcorearb_h_ 1
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								#ifdef __cplusplus
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								extern "C" {
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								#endif
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								/*
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								** Copyright 2013-2020 The Khronos Group Inc.
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								** SPDX-License-Identifier: MIT
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								**
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								** This header is generated from the Khronos OpenGL / OpenGL ES XML
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								** API Registry. The current version of the Registry, generator scripts
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								** used to make the header, and the header can be found at
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								**   https://github.com/KhronosGroup/OpenGL-Registry
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								*/
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								#if defined(_WIN32) && !defined(APIENTRY) && !defined(__CYGWIN__) && !defined(__SCITECH_SNAP__)
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								#ifndef WIN32_LEAN_AND_MEAN
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								#define WIN32_LEAN_AND_MEAN 1
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								#endif
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								#include <windows.h>
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								#endif
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								#ifndef APIENTRY
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								#define APIENTRY
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								#endif
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								#ifndef APIENTRYP
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								#define APIENTRYP APIENTRY *
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								#endif
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								#ifndef GLAPI
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								#define GLAPI extern
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								#endif
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								/* glcorearb.h is for use with OpenGL core profile implementations.
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								** It should should be placed in the same directory as gl.h and
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								** included as <GL/glcorearb.h>.
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								**
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								** glcorearb.h includes only APIs in the latest OpenGL core profile
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								** implementation together with APIs in newer ARB extensions which 
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								** can be supported by the core profile. It does not, and never will
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								** include functionality removed from the core profile, such as
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								** fixed-function vertex and fragment processing.
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								**
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								** Do not #include both <GL/glcorearb.h> and either of <GL/gl.h> or
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								** <GL/glext.h> in the same source file.
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								*/
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								/* Generated C header for:
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								 * API: gl
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								 * Profile: core
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								 * Versions considered: .*
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								 * Versions emitted: .*
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								 * Default extensions included: glcore
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								 * Additional extensions included: _nomatch_^
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								 * Extensions removed: _nomatch_^
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								 */
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								#ifndef GL_VERSION_1_0
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								typedef void GLvoid;
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								typedef unsigned int GLenum;
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								typedef khronos_float_t GLfloat;
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								typedef int GLint;
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								typedef int GLsizei;
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								typedef unsigned int GLbitfield;
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								typedef double GLdouble;
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								typedef unsigned int GLuint;
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								typedef unsigned char GLboolean;
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								typedef khronos_uint8_t GLubyte;
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								#define GL_COLOR_BUFFER_BIT               0x00004000
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								#define GL_FALSE                          0
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								#define GL_TRUE                           1
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								#define GL_TRIANGLES                      0x0004
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								#define GL_ONE                            1
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								#define GL_SRC_ALPHA                      0x0302
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								#define GL_ONE_MINUS_SRC_ALPHA            0x0303
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								#define GL_FRONT_AND_BACK                 0x0408
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								#define GL_POLYGON_MODE                   0x0B40
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								#define GL_CULL_FACE                      0x0B44
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								#define GL_DEPTH_TEST                     0x0B71
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								#define GL_STENCIL_TEST                   0x0B90
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								#define GL_VIEWPORT                       0x0BA2
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								#define GL_BLEND                          0x0BE2
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								#define GL_SCISSOR_BOX                    0x0C10
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								#define GL_SCISSOR_TEST                   0x0C11
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								#define GL_UNPACK_ROW_LENGTH              0x0CF2
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								#define GL_PACK_ALIGNMENT                 0x0D05
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								#define GL_TEXTURE_2D                     0x0DE1
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								#define GL_UNSIGNED_BYTE                  0x1401
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								#define GL_UNSIGNED_SHORT                 0x1403
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								#define GL_UNSIGNED_INT                   0x1405
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								#define GL_FLOAT                          0x1406
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								#define GL_RGBA                           0x1908
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								#define GL_FILL                           0x1B02
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								#define GL_VERSION                        0x1F02
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								#define GL_EXTENSIONS                     0x1F03
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								#define GL_LINEAR                         0x2601
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								#define GL_TEXTURE_MAG_FILTER             0x2800
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								#define GL_TEXTURE_MIN_FILTER             0x2801
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								typedef void (APIENTRYP PFNGLPOLYGONMODEPROC) (GLenum face, GLenum mode);
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								typedef void (APIENTRYP PFNGLSCISSORPROC) (GLint x, GLint y, GLsizei width, GLsizei height);
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								typedef void (APIENTRYP PFNGLTEXPARAMETERIPROC) (GLenum target, GLenum pname, GLint param);
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								typedef void (APIENTRYP PFNGLTEXIMAGE2DPROC) (GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const void *pixels);
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								typedef void (APIENTRYP PFNGLCLEARPROC) (GLbitfield mask);
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								typedef void (APIENTRYP PFNGLCLEARCOLORPROC) (GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha);
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								typedef void (APIENTRYP PFNGLDISABLEPROC) (GLenum cap);
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								typedef void (APIENTRYP PFNGLENABLEPROC) (GLenum cap);
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								typedef void (APIENTRYP PFNGLFLUSHPROC) (void);
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								typedef void (APIENTRYP PFNGLPIXELSTOREIPROC) (GLenum pname, GLint param);
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								typedef void (APIENTRYP PFNGLREADPIXELSPROC) (GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, void *pixels);
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								typedef GLenum (APIENTRYP PFNGLGETERRORPROC) (void);
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								typedef void (APIENTRYP PFNGLGETINTEGERVPROC) (GLenum pname, GLint *data);
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								typedef const GLubyte *(APIENTRYP PFNGLGETSTRINGPROC) (GLenum name);
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								typedef GLboolean (APIENTRYP PFNGLISENABLEDPROC) (GLenum cap);
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								typedef void (APIENTRYP PFNGLVIEWPORTPROC) (GLint x, GLint y, GLsizei width, GLsizei height);
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								#ifdef GL_GLEXT_PROTOTYPES
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								GLAPI void APIENTRY glPolygonMode (GLenum face, GLenum mode);
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								GLAPI void APIENTRY glScissor (GLint x, GLint y, GLsizei width, GLsizei height);
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								GLAPI void APIENTRY glTexParameteri (GLenum target, GLenum pname, GLint param);
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								GLAPI void APIENTRY glTexImage2D (GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const void *pixels);
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								GLAPI void APIENTRY glClear (GLbitfield mask);
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								GLAPI void APIENTRY glClearColor (GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha);
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								GLAPI void APIENTRY glDisable (GLenum cap);
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								GLAPI void APIENTRY glEnable (GLenum cap);
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								GLAPI void APIENTRY glFlush (void);
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								GLAPI void APIENTRY glPixelStorei (GLenum pname, GLint param);
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								GLAPI void APIENTRY glReadPixels (GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, void *pixels);
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								GLAPI GLenum APIENTRY glGetError (void);
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								GLAPI void APIENTRY glGetIntegerv (GLenum pname, GLint *data);
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								GLAPI const GLubyte *APIENTRY glGetString (GLenum name);
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								GLAPI GLboolean APIENTRY glIsEnabled (GLenum cap);
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								GLAPI void APIENTRY glViewport (GLint x, GLint y, GLsizei width, GLsizei height);
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								#endif
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								#endif /* GL_VERSION_1_0 */
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								#ifndef GL_VERSION_1_1
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								typedef khronos_float_t GLclampf;
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								typedef double GLclampd;
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								#define GL_TEXTURE_BINDING_2D             0x8069
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								typedef void (APIENTRYP PFNGLDRAWELEMENTSPROC) (GLenum mode, GLsizei count, GLenum type, const void *indices);
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								typedef void (APIENTRYP PFNGLBINDTEXTUREPROC) (GLenum target, GLuint texture);
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								typedef void (APIENTRYP PFNGLDELETETEXTURESPROC) (GLsizei n, const GLuint *textures);
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								typedef void (APIENTRYP PFNGLGENTEXTURESPROC) (GLsizei n, GLuint *textures);
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								#ifdef GL_GLEXT_PROTOTYPES
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								GLAPI void APIENTRY glDrawElements (GLenum mode, GLsizei count, GLenum type, const void *indices);
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						||
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								 | 
							
								GLAPI void APIENTRY glBindTexture (GLenum target, GLuint texture);
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						||
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								GLAPI void APIENTRY glDeleteTextures (GLsizei n, const GLuint *textures);
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						||
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								GLAPI void APIENTRY glGenTextures (GLsizei n, GLuint *textures);
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						||
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								#endif
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								 | 
							
								#endif /* GL_VERSION_1_1 */
							 | 
						||
| 
								 | 
							
								#ifndef GL_VERSION_1_3
							 | 
						||
| 
								 | 
							
								#define GL_TEXTURE0                       0x84C0
							 | 
						||
| 
								 | 
							
								#define GL_ACTIVE_TEXTURE                 0x84E0
							 | 
						||
| 
								 | 
							
								typedef void (APIENTRYP PFNGLACTIVETEXTUREPROC) (GLenum texture);
							 | 
						||
| 
								 | 
							
								#ifdef GL_GLEXT_PROTOTYPES
							 | 
						||
| 
								 | 
							
								GLAPI void APIENTRY glActiveTexture (GLenum texture);
							 | 
						||
| 
								 | 
							
								#endif
							 | 
						||
| 
								 | 
							
								#endif /* GL_VERSION_1_3 */
							 | 
						||
| 
								 | 
							
								#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_FUNC_ADD                       0x8006
							 | 
						||
| 
								 | 
							
								typedef void (APIENTRYP PFNGLBLENDFUNCSEPARATEPROC) (GLenum sfactorRGB, GLenum dfactorRGB, GLenum sfactorAlpha, GLenum dfactorAlpha);
							 | 
						||
| 
								 | 
							
								typedef void (APIENTRYP PFNGLBLENDEQUATIONPROC) (GLenum mode);
							 | 
						||
| 
								 | 
							
								#ifdef GL_GLEXT_PROTOTYPES
							 | 
						||
| 
								 | 
							
								GLAPI void APIENTRY glBlendFuncSeparate (GLenum sfactorRGB, GLenum dfactorRGB, GLenum sfactorAlpha, GLenum dfactorAlpha);
							 | 
						||
| 
								 | 
							
								GLAPI void APIENTRY glBlendEquation (GLenum mode);
							 | 
						||
| 
								 | 
							
								#endif
							 | 
						||
| 
								 | 
							
								#endif /* GL_VERSION_1_4 */
							 | 
						||
| 
								 | 
							
								#ifndef GL_VERSION_1_5
							 | 
						||
| 
								 | 
							
								typedef khronos_ssize_t GLsizeiptr;
							 | 
						||
| 
								 | 
							
								typedef khronos_intptr_t GLintptr;
							 | 
						||
| 
								 | 
							
								#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_STREAM_DRAW                    0x88E0
							 | 
						||
| 
								 | 
							
								typedef void (APIENTRYP PFNGLBINDBUFFERPROC) (GLenum target, GLuint buffer);
							 | 
						||
| 
								 | 
							
								typedef void (APIENTRYP PFNGLDELETEBUFFERSPROC) (GLsizei n, const GLuint *buffers);
							 | 
						||
| 
								 | 
							
								typedef void (APIENTRYP PFNGLGENBUFFERSPROC) (GLsizei n, GLuint *buffers);
							 | 
						||
| 
								 | 
							
								typedef void (APIENTRYP PFNGLBUFFERDATAPROC) (GLenum target, GLsizeiptr size, const void *data, GLenum usage);
							 | 
						||
| 
								 | 
							
								typedef void (APIENTRYP PFNGLBUFFERSUBDATAPROC) (GLenum target, GLintptr offset, GLsizeiptr size, const void *data);
							 | 
						||
| 
								 | 
							
								#ifdef GL_GLEXT_PROTOTYPES
							 | 
						||
| 
								 | 
							
								GLAPI void APIENTRY glBindBuffer (GLenum target, GLuint buffer);
							 | 
						||
| 
								 | 
							
								GLAPI void APIENTRY glDeleteBuffers (GLsizei n, const GLuint *buffers);
							 | 
						||
| 
								 | 
							
								GLAPI void APIENTRY glGenBuffers (GLsizei n, GLuint *buffers);
							 | 
						||
| 
								 | 
							
								GLAPI void APIENTRY glBufferData (GLenum target, GLsizeiptr size, const void *data, GLenum usage);
							 | 
						||
| 
								 | 
							
								GLAPI void APIENTRY glBufferSubData (GLenum target, GLintptr offset, GLsizeiptr size, const void *data);
							 | 
						||
| 
								 | 
							
								#endif
							 | 
						||
| 
								 | 
							
								#endif /* GL_VERSION_1_5 */
							 | 
						||
| 
								 | 
							
								#ifndef GL_VERSION_2_0
							 | 
						||
| 
								 | 
							
								typedef char GLchar;
							 | 
						||
| 
								 | 
							
								typedef khronos_int16_t GLshort;
							 | 
						||
| 
								 | 
							
								typedef khronos_int8_t GLbyte;
							 | 
						||
| 
								 | 
							
								typedef khronos_uint16_t GLushort;
							 | 
						||
| 
								 | 
							
								#define GL_BLEND_EQUATION_RGB             0x8009
							 | 
						||
| 
								 | 
							
								#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_VERTEX_ATTRIB_ARRAY_POINTER    0x8645
							 | 
						||
| 
								 | 
							
								#define GL_BLEND_EQUATION_ALPHA           0x883D
							 | 
						||
| 
								 | 
							
								#define GL_VERTEX_ATTRIB_ARRAY_NORMALIZED 0x886A
							 | 
						||
| 
								 | 
							
								#define GL_FRAGMENT_SHADER                0x8B30
							 | 
						||
| 
								 | 
							
								#define GL_VERTEX_SHADER                  0x8B31
							 | 
						||
| 
								 | 
							
								#define GL_COMPILE_STATUS                 0x8B81
							 | 
						||
| 
								 | 
							
								#define GL_LINK_STATUS                    0x8B82
							 | 
						||
| 
								 | 
							
								#define GL_INFO_LOG_LENGTH                0x8B84
							 | 
						||
| 
								 | 
							
								#define GL_CURRENT_PROGRAM                0x8B8D
							 | 
						||
| 
								 | 
							
								#define GL_UPPER_LEFT                     0x8CA2
							 | 
						||
| 
								 | 
							
								typedef void (APIENTRYP PFNGLBLENDEQUATIONSEPARATEPROC) (GLenum modeRGB, GLenum modeAlpha);
							 | 
						||
| 
								 | 
							
								typedef void (APIENTRYP PFNGLATTACHSHADERPROC) (GLuint program, GLuint shader);
							 | 
						||
| 
								 | 
							
								typedef void (APIENTRYP PFNGLCOMPILESHADERPROC) (GLuint shader);
							 | 
						||
| 
								 | 
							
								typedef GLuint (APIENTRYP PFNGLCREATEPROGRAMPROC) (void);
							 | 
						||
| 
								 | 
							
								typedef GLuint (APIENTRYP PFNGLCREATESHADERPROC) (GLenum type);
							 | 
						||
| 
								 | 
							
								typedef void (APIENTRYP PFNGLDELETEPROGRAMPROC) (GLuint program);
							 | 
						||
| 
								 | 
							
								typedef void (APIENTRYP PFNGLDELETESHADERPROC) (GLuint shader);
							 | 
						||
| 
								 | 
							
								typedef void (APIENTRYP PFNGLDETACHSHADERPROC) (GLuint program, GLuint shader);
							 | 
						||
| 
								 | 
							
								typedef void (APIENTRYP PFNGLDISABLEVERTEXATTRIBARRAYPROC) (GLuint index);
							 | 
						||
| 
								 | 
							
								typedef void (APIENTRYP PFNGLENABLEVERTEXATTRIBARRAYPROC) (GLuint index);
							 | 
						||
| 
								 | 
							
								typedef GLint (APIENTRYP PFNGLGETATTRIBLOCATIONPROC) (GLuint program, const GLchar *name);
							 | 
						||
| 
								 | 
							
								typedef void (APIENTRYP PFNGLGETPROGRAMIVPROC) (GLuint program, GLenum pname, GLint *params);
							 | 
						||
| 
								 | 
							
								typedef void (APIENTRYP PFNGLGETPROGRAMINFOLOGPROC) (GLuint program, GLsizei bufSize, GLsizei *length, GLchar *infoLog);
							 | 
						||
| 
								 | 
							
								typedef void (APIENTRYP PFNGLGETSHADERIVPROC) (GLuint shader, GLenum pname, GLint *params);
							 | 
						||
| 
								 | 
							
								typedef void (APIENTRYP PFNGLGETSHADERINFOLOGPROC) (GLuint shader, GLsizei bufSize, GLsizei *length, GLchar *infoLog);
							 | 
						||
| 
								 | 
							
								typedef GLint (APIENTRYP PFNGLGETUNIFORMLOCATIONPROC) (GLuint program, const GLchar *name);
							 | 
						||
| 
								 | 
							
								typedef void (APIENTRYP PFNGLGETVERTEXATTRIBIVPROC) (GLuint index, GLenum pname, GLint *params);
							 | 
						||
| 
								 | 
							
								typedef void (APIENTRYP PFNGLGETVERTEXATTRIBPOINTERVPROC) (GLuint index, GLenum pname, void **pointer);
							 | 
						||
| 
								 | 
							
								typedef void (APIENTRYP PFNGLLINKPROGRAMPROC) (GLuint program);
							 | 
						||
| 
								 | 
							
								typedef void (APIENTRYP PFNGLSHADERSOURCEPROC) (GLuint shader, GLsizei count, const GLchar *const*string, const GLint *length);
							 | 
						||
| 
								 | 
							
								typedef void (APIENTRYP PFNGLUSEPROGRAMPROC) (GLuint program);
							 | 
						||
| 
								 | 
							
								typedef void (APIENTRYP PFNGLUNIFORM1IPROC) (GLint location, GLint v0);
							 | 
						||
| 
								 | 
							
								typedef void (APIENTRYP PFNGLUNIFORMMATRIX4FVPROC) (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
							 | 
						||
| 
								 | 
							
								typedef void (APIENTRYP PFNGLVERTEXATTRIBPOINTERPROC) (GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const void *pointer);
							 | 
						||
| 
								 | 
							
								#ifdef GL_GLEXT_PROTOTYPES
							 | 
						||
| 
								 | 
							
								GLAPI void APIENTRY glBlendEquationSeparate (GLenum modeRGB, GLenum modeAlpha);
							 | 
						||
| 
								 | 
							
								GLAPI void APIENTRY glAttachShader (GLuint program, GLuint shader);
							 | 
						||
| 
								 | 
							
								GLAPI void APIENTRY glCompileShader (GLuint shader);
							 | 
						||
| 
								 | 
							
								GLAPI GLuint APIENTRY glCreateProgram (void);
							 | 
						||
| 
								 | 
							
								GLAPI GLuint APIENTRY glCreateShader (GLenum type);
							 | 
						||
| 
								 | 
							
								GLAPI void APIENTRY glDeleteProgram (GLuint program);
							 | 
						||
| 
								 | 
							
								GLAPI void APIENTRY glDeleteShader (GLuint shader);
							 | 
						||
| 
								 | 
							
								GLAPI void APIENTRY glDetachShader (GLuint program, GLuint shader);
							 | 
						||
| 
								 | 
							
								GLAPI void APIENTRY glDisableVertexAttribArray (GLuint index);
							 | 
						||
| 
								 | 
							
								GLAPI void APIENTRY glEnableVertexAttribArray (GLuint index);
							 | 
						||
| 
								 | 
							
								GLAPI GLint APIENTRY glGetAttribLocation (GLuint program, const GLchar *name);
							 | 
						||
| 
								 | 
							
								GLAPI void APIENTRY glGetProgramiv (GLuint program, GLenum pname, GLint *params);
							 | 
						||
| 
								 | 
							
								GLAPI void APIENTRY glGetProgramInfoLog (GLuint program, GLsizei bufSize, GLsizei *length, GLchar *infoLog);
							 | 
						||
| 
								 | 
							
								GLAPI void APIENTRY glGetShaderiv (GLuint shader, GLenum pname, GLint *params);
							 | 
						||
| 
								 | 
							
								GLAPI void APIENTRY glGetShaderInfoLog (GLuint shader, GLsizei bufSize, GLsizei *length, GLchar *infoLog);
							 | 
						||
| 
								 | 
							
								GLAPI GLint APIENTRY glGetUniformLocation (GLuint program, const GLchar *name);
							 | 
						||
| 
								 | 
							
								GLAPI void APIENTRY glGetVertexAttribiv (GLuint index, GLenum pname, GLint *params);
							 | 
						||
| 
								 | 
							
								GLAPI void APIENTRY glGetVertexAttribPointerv (GLuint index, GLenum pname, void **pointer);
							 | 
						||
| 
								 | 
							
								GLAPI void APIENTRY glLinkProgram (GLuint program);
							 | 
						||
| 
								 | 
							
								GLAPI void APIENTRY glShaderSource (GLuint shader, GLsizei count, const GLchar *const*string, const GLint *length);
							 | 
						||
| 
								 | 
							
								GLAPI void APIENTRY glUseProgram (GLuint program);
							 | 
						||
| 
								 | 
							
								GLAPI void APIENTRY glUniform1i (GLint location, GLint v0);
							 | 
						||
| 
								 | 
							
								GLAPI void APIENTRY glUniformMatrix4fv (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
							 | 
						||
| 
								 | 
							
								GLAPI void APIENTRY glVertexAttribPointer (GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const void *pointer);
							 | 
						||
| 
								 | 
							
								#endif
							 | 
						||
| 
								 | 
							
								#endif /* GL_VERSION_2_0 */
							 | 
						||
| 
								 | 
							
								#ifndef GL_VERSION_3_0
							 | 
						||
| 
								 | 
							
								typedef khronos_uint16_t GLhalf;
							 | 
						||
| 
								 | 
							
								#define GL_MAJOR_VERSION                  0x821B
							 | 
						||
| 
								 | 
							
								#define GL_MINOR_VERSION                  0x821C
							 | 
						||
| 
								 | 
							
								#define GL_NUM_EXTENSIONS                 0x821D
							 | 
						||
| 
								 | 
							
								#define GL_FRAMEBUFFER_SRGB               0x8DB9
							 | 
						||
| 
								 | 
							
								#define GL_VERTEX_ARRAY_BINDING           0x85B5
							 | 
						||
| 
								 | 
							
								typedef void (APIENTRYP PFNGLGETBOOLEANI_VPROC) (GLenum target, GLuint index, GLboolean *data);
							 | 
						||
| 
								 | 
							
								typedef void (APIENTRYP PFNGLGETINTEGERI_VPROC) (GLenum target, GLuint index, GLint *data);
							 | 
						||
| 
								 | 
							
								typedef const GLubyte *(APIENTRYP PFNGLGETSTRINGIPROC) (GLenum name, GLuint index);
							 | 
						||
| 
								 | 
							
								typedef void (APIENTRYP PFNGLBINDVERTEXARRAYPROC) (GLuint array);
							 | 
						||
| 
								 | 
							
								typedef void (APIENTRYP PFNGLDELETEVERTEXARRAYSPROC) (GLsizei n, const GLuint *arrays);
							 | 
						||
| 
								 | 
							
								typedef void (APIENTRYP PFNGLGENVERTEXARRAYSPROC) (GLsizei n, GLuint *arrays);
							 | 
						||
| 
								 | 
							
								#ifdef GL_GLEXT_PROTOTYPES
							 | 
						||
| 
								 | 
							
								GLAPI const GLubyte *APIENTRY glGetStringi (GLenum name, GLuint index);
							 | 
						||
| 
								 | 
							
								GLAPI void APIENTRY glBindVertexArray (GLuint array);
							 | 
						||
| 
								 | 
							
								GLAPI void APIENTRY glDeleteVertexArrays (GLsizei n, const GLuint *arrays);
							 | 
						||
| 
								 | 
							
								GLAPI void APIENTRY glGenVertexArrays (GLsizei n, GLuint *arrays);
							 | 
						||
| 
								 | 
							
								#endif
							 | 
						||
| 
								 | 
							
								#endif /* GL_VERSION_3_0 */
							 | 
						||
| 
								 | 
							
								#ifndef GL_VERSION_3_1
							 | 
						||
| 
								 | 
							
								#define GL_VERSION_3_1 1
							 | 
						||
| 
								 | 
							
								#define GL_PRIMITIVE_RESTART              0x8F9D
							 | 
						||
| 
								 | 
							
								#endif /* GL_VERSION_3_1 */
							 | 
						||
| 
								 | 
							
								#ifndef GL_VERSION_3_2
							 | 
						||
| 
								 | 
							
								#define GL_VERSION_3_2 1
							 | 
						||
| 
								 | 
							
								typedef struct __GLsync *GLsync;
							 | 
						||
| 
								 | 
							
								typedef khronos_uint64_t GLuint64;
							 | 
						||
| 
								 | 
							
								typedef khronos_int64_t GLint64;
							 | 
						||
| 
								 | 
							
								typedef void (APIENTRYP PFNGLDRAWELEMENTSBASEVERTEXPROC) (GLenum mode, GLsizei count, GLenum type, const void *indices, GLint basevertex);
							 | 
						||
| 
								 | 
							
								typedef void (APIENTRYP PFNGLGETINTEGER64I_VPROC) (GLenum target, GLuint index, GLint64 *data);
							 | 
						||
| 
								 | 
							
								#ifdef GL_GLEXT_PROTOTYPES
							 | 
						||
| 
								 | 
							
								GLAPI void APIENTRY glDrawElementsBaseVertex (GLenum mode, GLsizei count, GLenum type, const void *indices, GLint basevertex);
							 | 
						||
| 
								 | 
							
								#endif
							 | 
						||
| 
								 | 
							
								#endif /* GL_VERSION_3_2 */
							 | 
						||
| 
								 | 
							
								#ifndef GL_VERSION_3_3
							 | 
						||
| 
								 | 
							
								#define GL_VERSION_3_3 1
							 | 
						||
| 
								 | 
							
								#define GL_SAMPLER_BINDING                0x8919
							 | 
						||
| 
								 | 
							
								typedef void (APIENTRYP PFNGLBINDSAMPLERPROC) (GLuint unit, GLuint sampler);
							 | 
						||
| 
								 | 
							
								#ifdef GL_GLEXT_PROTOTYPES
							 | 
						||
| 
								 | 
							
								GLAPI void APIENTRY glBindSampler (GLuint unit, GLuint sampler);
							 | 
						||
| 
								 | 
							
								#endif
							 | 
						||
| 
								 | 
							
								#endif /* GL_VERSION_3_3 */
							 | 
						||
| 
								 | 
							
								#ifndef GL_VERSION_4_1
							 | 
						||
| 
								 | 
							
								typedef void (APIENTRYP PFNGLGETFLOATI_VPROC) (GLenum target, GLuint index, GLfloat *data);
							 | 
						||
| 
								 | 
							
								typedef void (APIENTRYP PFNGLGETDOUBLEI_VPROC) (GLenum target, GLuint index, GLdouble *data);
							 | 
						||
| 
								 | 
							
								#endif /* GL_VERSION_4_1 */
							 | 
						||
| 
								 | 
							
								#ifndef GL_VERSION_4_3
							 | 
						||
| 
								 | 
							
								typedef void (APIENTRY  *GLDEBUGPROC)(GLenum source,GLenum type,GLuint id,GLenum severity,GLsizei length,const GLchar *message,const void *userParam);
							 | 
						||
| 
								 | 
							
								#endif /* GL_VERSION_4_3 */
							 | 
						||
| 
								 | 
							
								#ifndef GL_VERSION_4_5
							 | 
						||
| 
								 | 
							
								#define GL_CLIP_ORIGIN                    0x935C
							 | 
						||
| 
								 | 
							
								typedef void (APIENTRYP PFNGLGETTRANSFORMFEEDBACKI_VPROC) (GLuint xfb, GLenum pname, GLuint index, GLint *param);
							 | 
						||
| 
								 | 
							
								typedef void (APIENTRYP PFNGLGETTRANSFORMFEEDBACKI64_VPROC) (GLuint xfb, GLenum pname, GLuint index, GLint64 *param);
							 | 
						||
| 
								 | 
							
								#endif /* GL_VERSION_4_5 */
							 | 
						||
| 
								 | 
							
								#ifndef GL_ARB_bindless_texture
							 | 
						||
| 
								 | 
							
								typedef khronos_uint64_t GLuint64EXT;
							 | 
						||
| 
								 | 
							
								#endif /* GL_ARB_bindless_texture */
							 | 
						||
| 
								 | 
							
								#ifndef GL_ARB_cl_event
							 | 
						||
| 
								 | 
							
								struct _cl_context;
							 | 
						||
| 
								 | 
							
								struct _cl_event;
							 | 
						||
| 
								 | 
							
								#endif /* GL_ARB_cl_event */
							 | 
						||
| 
								 | 
							
								#ifndef GL_ARB_clip_control
							 | 
						||
| 
								 | 
							
								#define GL_ARB_clip_control 1
							 | 
						||
| 
								 | 
							
								#endif /* GL_ARB_clip_control */
							 | 
						||
| 
								 | 
							
								#ifndef GL_ARB_debug_output
							 | 
						||
| 
								 | 
							
								typedef void (APIENTRY  *GLDEBUGPROCARB)(GLenum source,GLenum type,GLuint id,GLenum severity,GLsizei length,const GLchar *message,const void *userParam);
							 | 
						||
| 
								 | 
							
								#endif /* GL_ARB_debug_output */
							 | 
						||
| 
								 | 
							
								#ifndef GL_EXT_EGL_image_storage
							 | 
						||
| 
								 | 
							
								typedef void *GLeglImageOES;
							 | 
						||
| 
								 | 
							
								#endif /* GL_EXT_EGL_image_storage */
							 | 
						||
| 
								 | 
							
								#ifndef GL_EXT_direct_state_access
							 | 
						||
| 
								 | 
							
								typedef void (APIENTRYP PFNGLGETFLOATI_VEXTPROC) (GLenum pname, GLuint index, GLfloat *params);
							 | 
						||
| 
								 | 
							
								typedef void (APIENTRYP PFNGLGETDOUBLEI_VEXTPROC) (GLenum pname, GLuint index, GLdouble *params);
							 | 
						||
| 
								 | 
							
								typedef void (APIENTRYP PFNGLGETPOINTERI_VEXTPROC) (GLenum pname, GLuint index, void **params);
							 | 
						||
| 
								 | 
							
								typedef void (APIENTRYP PFNGLGETVERTEXARRAYINTEGERI_VEXTPROC) (GLuint vaobj, GLuint index, GLenum pname, GLint *param);
							 | 
						||
| 
								 | 
							
								typedef void (APIENTRYP PFNGLGETVERTEXARRAYPOINTERI_VEXTPROC) (GLuint vaobj, GLuint index, GLenum pname, void **param);
							 | 
						||
| 
								 | 
							
								#endif /* GL_EXT_direct_state_access */
							 | 
						||
| 
								 | 
							
								#ifndef GL_NV_draw_vulkan_image
							 | 
						||
| 
								 | 
							
								typedef void (APIENTRY  *GLVULKANPROCNV)(void);
							 | 
						||
| 
								 | 
							
								#endif /* GL_NV_draw_vulkan_image */
							 | 
						||
| 
								 | 
							
								#ifndef GL_NV_gpu_shader5
							 | 
						||
| 
								 | 
							
								typedef khronos_int64_t GLint64EXT;
							 | 
						||
| 
								 | 
							
								#endif /* GL_NV_gpu_shader5 */
							 | 
						||
| 
								 | 
							
								#ifndef GL_NV_vertex_buffer_unified_memory
							 | 
						||
| 
								 | 
							
								typedef void (APIENTRYP PFNGLGETINTEGERUI64I_VNVPROC) (GLenum value, GLuint index, GLuint64EXT *result);
							 | 
						||
| 
								 | 
							
								#endif /* GL_NV_vertex_buffer_unified_memory */
							 | 
						||
| 
								 | 
							
								#ifdef __cplusplus
							 | 
						||
| 
								 | 
							
								}
							 | 
						||
| 
								 | 
							
								#endif
							 | 
						||
| 
								 | 
							
								#endif
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								#ifndef GL3W_API
							 | 
						||
| 
								 | 
							
								#define GL3W_API
							 | 
						||
| 
								 | 
							
								#endif
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								#ifndef __gl_h_
							 | 
						||
| 
								 | 
							
								#define __gl_h_
							 | 
						||
| 
								 | 
							
								#endif
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								#ifdef __cplusplus
							 | 
						||
| 
								 | 
							
								extern "C" {
							 | 
						||
| 
								 | 
							
								#endif
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								#define GL3W_OK 0
							 | 
						||
| 
								 | 
							
								#define GL3W_ERROR_INIT -1
							 | 
						||
| 
								 | 
							
								#define GL3W_ERROR_LIBRARY_OPEN -2
							 | 
						||
| 
								 | 
							
								#define GL3W_ERROR_OPENGL_VERSION -3
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								typedef void (*GL3WglProc)(void);
							 | 
						||
| 
								 | 
							
								typedef GL3WglProc (*GL3WGetProcAddressProc)(const char *proc);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								/* gl3w api */
							 | 
						||
| 
								 | 
							
								GL3W_API int imgl3wInit(void);
							 | 
						||
| 
								 | 
							
								GL3W_API int imgl3wInit2(GL3WGetProcAddressProc proc);
							 | 
						||
| 
								 | 
							
								GL3W_API int imgl3wIsSupported(int major, int minor);
							 | 
						||
| 
								 | 
							
								GL3W_API GL3WglProc imgl3wGetProcAddress(const char *proc);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								/* gl3w internal state */
							 | 
						||
| 
								 | 
							
								union GL3WProcs {
							 | 
						||
| 
								 | 
							
								    GL3WglProc ptr[58];
							 | 
						||
| 
								 | 
							
								    struct {
							 | 
						||
| 
								 | 
							
								        PFNGLACTIVETEXTUREPROC            ActiveTexture;
							 | 
						||
| 
								 | 
							
								        PFNGLATTACHSHADERPROC             AttachShader;
							 | 
						||
| 
								 | 
							
								        PFNGLBINDBUFFERPROC               BindBuffer;
							 | 
						||
| 
								 | 
							
								        PFNGLBINDSAMPLERPROC              BindSampler;
							 | 
						||
| 
								 | 
							
								        PFNGLBINDTEXTUREPROC              BindTexture;
							 | 
						||
| 
								 | 
							
								        PFNGLBINDVERTEXARRAYPROC          BindVertexArray;
							 | 
						||
| 
								 | 
							
								        PFNGLBLENDEQUATIONPROC            BlendEquation;
							 | 
						||
| 
								 | 
							
								        PFNGLBLENDEQUATIONSEPARATEPROC    BlendEquationSeparate;
							 | 
						||
| 
								 | 
							
								        PFNGLBLENDFUNCSEPARATEPROC        BlendFuncSeparate;
							 | 
						||
| 
								 | 
							
								        PFNGLBUFFERDATAPROC               BufferData;
							 | 
						||
| 
								 | 
							
								        PFNGLBUFFERSUBDATAPROC            BufferSubData;
							 | 
						||
| 
								 | 
							
								        PFNGLCLEARPROC                    Clear;
							 | 
						||
| 
								 | 
							
								        PFNGLCLEARCOLORPROC               ClearColor;
							 | 
						||
| 
								 | 
							
								        PFNGLCOMPILESHADERPROC            CompileShader;
							 | 
						||
| 
								 | 
							
								        PFNGLCREATEPROGRAMPROC            CreateProgram;
							 | 
						||
| 
								 | 
							
								        PFNGLCREATESHADERPROC             CreateShader;
							 | 
						||
| 
								 | 
							
								        PFNGLDELETEBUFFERSPROC            DeleteBuffers;
							 | 
						||
| 
								 | 
							
								        PFNGLDELETEPROGRAMPROC            DeleteProgram;
							 | 
						||
| 
								 | 
							
								        PFNGLDELETESHADERPROC             DeleteShader;
							 | 
						||
| 
								 | 
							
								        PFNGLDELETETEXTURESPROC           DeleteTextures;
							 | 
						||
| 
								 | 
							
								        PFNGLDELETEVERTEXARRAYSPROC       DeleteVertexArrays;
							 | 
						||
| 
								 | 
							
								        PFNGLDETACHSHADERPROC             DetachShader;
							 | 
						||
| 
								 | 
							
								        PFNGLDISABLEPROC                  Disable;
							 | 
						||
| 
								 | 
							
								        PFNGLDISABLEVERTEXATTRIBARRAYPROC DisableVertexAttribArray;
							 | 
						||
| 
								 | 
							
								        PFNGLDRAWELEMENTSPROC             DrawElements;
							 | 
						||
| 
								 | 
							
								        PFNGLDRAWELEMENTSBASEVERTEXPROC   DrawElementsBaseVertex;
							 | 
						||
| 
								 | 
							
								        PFNGLENABLEPROC                   Enable;
							 | 
						||
| 
								 | 
							
								        PFNGLENABLEVERTEXATTRIBARRAYPROC  EnableVertexAttribArray;
							 | 
						||
| 
								 | 
							
								        PFNGLFLUSHPROC                    Flush;
							 | 
						||
| 
								 | 
							
								        PFNGLGENBUFFERSPROC               GenBuffers;
							 | 
						||
| 
								 | 
							
								        PFNGLGENTEXTURESPROC              GenTextures;
							 | 
						||
| 
								 | 
							
								        PFNGLGENVERTEXARRAYSPROC          GenVertexArrays;
							 | 
						||
| 
								 | 
							
								        PFNGLGETATTRIBLOCATIONPROC        GetAttribLocation;
							 | 
						||
| 
								 | 
							
								        PFNGLGETERRORPROC                 GetError;
							 | 
						||
| 
								 | 
							
								        PFNGLGETINTEGERVPROC              GetIntegerv;
							 | 
						||
| 
								 | 
							
								        PFNGLGETPROGRAMINFOLOGPROC        GetProgramInfoLog;
							 | 
						||
| 
								 | 
							
								        PFNGLGETPROGRAMIVPROC             GetProgramiv;
							 | 
						||
| 
								 | 
							
								        PFNGLGETSHADERINFOLOGPROC         GetShaderInfoLog;
							 | 
						||
| 
								 | 
							
								        PFNGLGETSHADERIVPROC              GetShaderiv;
							 | 
						||
| 
								 | 
							
								        PFNGLGETSTRINGPROC                GetString;
							 | 
						||
| 
								 | 
							
								        PFNGLGETSTRINGIPROC               GetStringi;
							 | 
						||
| 
								 | 
							
								        PFNGLGETUNIFORMLOCATIONPROC       GetUniformLocation;
							 | 
						||
| 
								 | 
							
								        PFNGLGETVERTEXATTRIBPOINTERVPROC  GetVertexAttribPointerv;
							 | 
						||
| 
								 | 
							
								        PFNGLGETVERTEXATTRIBIVPROC        GetVertexAttribiv;
							 | 
						||
| 
								 | 
							
								        PFNGLISENABLEDPROC                IsEnabled;
							 | 
						||
| 
								 | 
							
								        PFNGLLINKPROGRAMPROC              LinkProgram;
							 | 
						||
| 
								 | 
							
								        PFNGLPIXELSTOREIPROC              PixelStorei;
							 | 
						||
| 
								 | 
							
								        PFNGLPOLYGONMODEPROC              PolygonMode;
							 | 
						||
| 
								 | 
							
								        PFNGLREADPIXELSPROC               ReadPixels;
							 | 
						||
| 
								 | 
							
								        PFNGLSCISSORPROC                  Scissor;
							 | 
						||
| 
								 | 
							
								        PFNGLSHADERSOURCEPROC             ShaderSource;
							 | 
						||
| 
								 | 
							
								        PFNGLTEXIMAGE2DPROC               TexImage2D;
							 | 
						||
| 
								 | 
							
								        PFNGLTEXPARAMETERIPROC            TexParameteri;
							 | 
						||
| 
								 | 
							
								        PFNGLUNIFORM1IPROC                Uniform1i;
							 | 
						||
| 
								 | 
							
								        PFNGLUNIFORMMATRIX4FVPROC         UniformMatrix4fv;
							 | 
						||
| 
								 | 
							
								        PFNGLUSEPROGRAMPROC               UseProgram;
							 | 
						||
| 
								 | 
							
								        PFNGLVERTEXATTRIBPOINTERPROC      VertexAttribPointer;
							 | 
						||
| 
								 | 
							
								        PFNGLVIEWPORTPROC                 Viewport;
							 | 
						||
| 
								 | 
							
								    } gl;
							 | 
						||
| 
								 | 
							
								};
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								GL3W_API extern union GL3WProcs imgl3wProcs;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								/* OpenGL functions */
							 | 
						||
| 
								 | 
							
								#define glActiveTexture                   imgl3wProcs.gl.ActiveTexture
							 | 
						||
| 
								 | 
							
								#define glAttachShader                    imgl3wProcs.gl.AttachShader
							 | 
						||
| 
								 | 
							
								#define glBindBuffer                      imgl3wProcs.gl.BindBuffer
							 | 
						||
| 
								 | 
							
								#define glBindSampler                     imgl3wProcs.gl.BindSampler
							 | 
						||
| 
								 | 
							
								#define glBindTexture                     imgl3wProcs.gl.BindTexture
							 | 
						||
| 
								 | 
							
								#define glBindVertexArray                 imgl3wProcs.gl.BindVertexArray
							 | 
						||
| 
								 | 
							
								#define glBlendEquation                   imgl3wProcs.gl.BlendEquation
							 | 
						||
| 
								 | 
							
								#define glBlendEquationSeparate           imgl3wProcs.gl.BlendEquationSeparate
							 | 
						||
| 
								 | 
							
								#define glBlendFuncSeparate               imgl3wProcs.gl.BlendFuncSeparate
							 | 
						||
| 
								 | 
							
								#define glBufferData                      imgl3wProcs.gl.BufferData
							 | 
						||
| 
								 | 
							
								#define glBufferSubData                   imgl3wProcs.gl.BufferSubData
							 | 
						||
| 
								 | 
							
								#define glClear                           imgl3wProcs.gl.Clear
							 | 
						||
| 
								 | 
							
								#define glClearColor                      imgl3wProcs.gl.ClearColor
							 | 
						||
| 
								 | 
							
								#define glCompileShader                   imgl3wProcs.gl.CompileShader
							 | 
						||
| 
								 | 
							
								#define glCreateProgram                   imgl3wProcs.gl.CreateProgram
							 | 
						||
| 
								 | 
							
								#define glCreateShader                    imgl3wProcs.gl.CreateShader
							 | 
						||
| 
								 | 
							
								#define glDeleteBuffers                   imgl3wProcs.gl.DeleteBuffers
							 | 
						||
| 
								 | 
							
								#define glDeleteProgram                   imgl3wProcs.gl.DeleteProgram
							 | 
						||
| 
								 | 
							
								#define glDeleteShader                    imgl3wProcs.gl.DeleteShader
							 | 
						||
| 
								 | 
							
								#define glDeleteTextures                  imgl3wProcs.gl.DeleteTextures
							 | 
						||
| 
								 | 
							
								#define glDeleteVertexArrays              imgl3wProcs.gl.DeleteVertexArrays
							 | 
						||
| 
								 | 
							
								#define glDetachShader                    imgl3wProcs.gl.DetachShader
							 | 
						||
| 
								 | 
							
								#define glDisable                         imgl3wProcs.gl.Disable
							 | 
						||
| 
								 | 
							
								#define glDisableVertexAttribArray        imgl3wProcs.gl.DisableVertexAttribArray
							 | 
						||
| 
								 | 
							
								#define glDrawElements                    imgl3wProcs.gl.DrawElements
							 | 
						||
| 
								 | 
							
								#define glDrawElementsBaseVertex          imgl3wProcs.gl.DrawElementsBaseVertex
							 | 
						||
| 
								 | 
							
								#define glEnable                          imgl3wProcs.gl.Enable
							 | 
						||
| 
								 | 
							
								#define glEnableVertexAttribArray         imgl3wProcs.gl.EnableVertexAttribArray
							 | 
						||
| 
								 | 
							
								#define glFlush                           imgl3wProcs.gl.Flush
							 | 
						||
| 
								 | 
							
								#define glGenBuffers                      imgl3wProcs.gl.GenBuffers
							 | 
						||
| 
								 | 
							
								#define glGenTextures                     imgl3wProcs.gl.GenTextures
							 | 
						||
| 
								 | 
							
								#define glGenVertexArrays                 imgl3wProcs.gl.GenVertexArrays
							 | 
						||
| 
								 | 
							
								#define glGetAttribLocation               imgl3wProcs.gl.GetAttribLocation
							 | 
						||
| 
								 | 
							
								#define glGetError                        imgl3wProcs.gl.GetError
							 | 
						||
| 
								 | 
							
								#define glGetIntegerv                     imgl3wProcs.gl.GetIntegerv
							 | 
						||
| 
								 | 
							
								#define glGetProgramInfoLog               imgl3wProcs.gl.GetProgramInfoLog
							 | 
						||
| 
								 | 
							
								#define glGetProgramiv                    imgl3wProcs.gl.GetProgramiv
							 | 
						||
| 
								 | 
							
								#define glGetShaderInfoLog                imgl3wProcs.gl.GetShaderInfoLog
							 | 
						||
| 
								 | 
							
								#define glGetShaderiv                     imgl3wProcs.gl.GetShaderiv
							 | 
						||
| 
								 | 
							
								#define glGetString                       imgl3wProcs.gl.GetString
							 | 
						||
| 
								 | 
							
								#define glGetStringi                      imgl3wProcs.gl.GetStringi
							 | 
						||
| 
								 | 
							
								#define glGetUniformLocation              imgl3wProcs.gl.GetUniformLocation
							 | 
						||
| 
								 | 
							
								#define glGetVertexAttribPointerv         imgl3wProcs.gl.GetVertexAttribPointerv
							 | 
						||
| 
								 | 
							
								#define glGetVertexAttribiv               imgl3wProcs.gl.GetVertexAttribiv
							 | 
						||
| 
								 | 
							
								#define glIsEnabled                       imgl3wProcs.gl.IsEnabled
							 | 
						||
| 
								 | 
							
								#define glLinkProgram                     imgl3wProcs.gl.LinkProgram
							 | 
						||
| 
								 | 
							
								#define glPixelStorei                     imgl3wProcs.gl.PixelStorei
							 | 
						||
| 
								 | 
							
								#define glPolygonMode                     imgl3wProcs.gl.PolygonMode
							 | 
						||
| 
								 | 
							
								#define glReadPixels                      imgl3wProcs.gl.ReadPixels
							 | 
						||
| 
								 | 
							
								#define glScissor                         imgl3wProcs.gl.Scissor
							 | 
						||
| 
								 | 
							
								#define glShaderSource                    imgl3wProcs.gl.ShaderSource
							 | 
						||
| 
								 | 
							
								#define glTexImage2D                      imgl3wProcs.gl.TexImage2D
							 | 
						||
| 
								 | 
							
								#define glTexParameteri                   imgl3wProcs.gl.TexParameteri
							 | 
						||
| 
								 | 
							
								#define glUniform1i                       imgl3wProcs.gl.Uniform1i
							 | 
						||
| 
								 | 
							
								#define glUniformMatrix4fv                imgl3wProcs.gl.UniformMatrix4fv
							 | 
						||
| 
								 | 
							
								#define glUseProgram                      imgl3wProcs.gl.UseProgram
							 | 
						||
| 
								 | 
							
								#define glVertexAttribPointer             imgl3wProcs.gl.VertexAttribPointer
							 | 
						||
| 
								 | 
							
								#define glViewport                        imgl3wProcs.gl.Viewport
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								#ifdef __cplusplus
							 | 
						||
| 
								 | 
							
								}
							 | 
						||
| 
								 | 
							
								#endif
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								#endif
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								#ifdef IMGL3W_IMPL
							 | 
						||
| 
								 | 
							
								#ifdef __cplusplus
							 | 
						||
| 
								 | 
							
								extern "C" {
							 | 
						||
| 
								 | 
							
								#endif
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								#include <stdlib.h>
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								#define ARRAY_SIZE(x)  (sizeof(x) / sizeof((x)[0]))
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								#if defined(_WIN32)
							 | 
						||
| 
								 | 
							
								#ifndef WIN32_LEAN_AND_MEAN
							 | 
						||
| 
								 | 
							
								#define WIN32_LEAN_AND_MEAN 1
							 | 
						||
| 
								 | 
							
								#endif
							 | 
						||
| 
								 | 
							
								#include <windows.h>
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								static HMODULE libgl;
							 | 
						||
| 
								 | 
							
								typedef PROC(__stdcall* GL3WglGetProcAddr)(LPCSTR);
							 | 
						||
| 
								 | 
							
								static GL3WglGetProcAddr wgl_get_proc_address;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								static int open_libgl(void)
							 | 
						||
| 
								 | 
							
								{
							 | 
						||
| 
								 | 
							
								    libgl = LoadLibraryA("opengl32.dll");
							 | 
						||
| 
								 | 
							
								    if (!libgl)
							 | 
						||
| 
								 | 
							
								        return GL3W_ERROR_LIBRARY_OPEN;
							 | 
						||
| 
								 | 
							
								    wgl_get_proc_address = (GL3WglGetProcAddr)GetProcAddress(libgl, "wglGetProcAddress");
							 | 
						||
| 
								 | 
							
								    return GL3W_OK;
							 | 
						||
| 
								 | 
							
								}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								static void close_libgl(void) { FreeLibrary(libgl); }
							 | 
						||
| 
								 | 
							
								static GL3WglProc get_proc(const char *proc)
							 | 
						||
| 
								 | 
							
								{
							 | 
						||
| 
								 | 
							
								    GL3WglProc res;
							 | 
						||
| 
								 | 
							
								    res = (GL3WglProc)wgl_get_proc_address(proc);
							 | 
						||
| 
								 | 
							
								    if (!res)
							 | 
						||
| 
								 | 
							
								        res = (GL3WglProc)GetProcAddress(libgl, proc);
							 | 
						||
| 
								 | 
							
								    return res;
							 | 
						||
| 
								 | 
							
								}
							 | 
						||
| 
								 | 
							
								#elif defined(__APPLE__)
							 | 
						||
| 
								 | 
							
								#include <dlfcn.h>
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								static void *libgl;
							 | 
						||
| 
								 | 
							
								static int open_libgl(void)
							 | 
						||
| 
								 | 
							
								{
							 | 
						||
| 
								 | 
							
								    libgl = dlopen("/System/Library/Frameworks/OpenGL.framework/OpenGL", RTLD_LAZY | RTLD_LOCAL);
							 | 
						||
| 
								 | 
							
								    if (!libgl)
							 | 
						||
| 
								 | 
							
								        return GL3W_ERROR_LIBRARY_OPEN;
							 | 
						||
| 
								 | 
							
								    return GL3W_OK;
							 | 
						||
| 
								 | 
							
								}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								static void close_libgl(void) { dlclose(libgl); }
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								static GL3WglProc get_proc(const char *proc)
							 | 
						||
| 
								 | 
							
								{
							 | 
						||
| 
								 | 
							
								    GL3WglProc res;
							 | 
						||
| 
								 | 
							
								    *(void **)(&res) = dlsym(libgl, proc);
							 | 
						||
| 
								 | 
							
								    return res;
							 | 
						||
| 
								 | 
							
								}
							 | 
						||
| 
								 | 
							
								#else
							 | 
						||
| 
								 | 
							
								#include <dlfcn.h>
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								static void *libgl;
							 | 
						||
| 
								 | 
							
								static GL3WglProc (*glx_get_proc_address)(const GLubyte *);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								static int open_libgl(void)
							 | 
						||
| 
								 | 
							
								{
							 | 
						||
| 
								 | 
							
								    libgl = dlopen("libGL.so.1", RTLD_LAZY | RTLD_LOCAL);
							 | 
						||
| 
								 | 
							
								    if (!libgl)
							 | 
						||
| 
								 | 
							
								        return GL3W_ERROR_LIBRARY_OPEN;
							 | 
						||
| 
								 | 
							
								    *(void **)(&glx_get_proc_address) = dlsym(libgl, "glXGetProcAddressARB");
							 | 
						||
| 
								 | 
							
								    return GL3W_OK;
							 | 
						||
| 
								 | 
							
								}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								static void close_libgl(void) { dlclose(libgl); }
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								static GL3WglProc get_proc(const char *proc)
							 | 
						||
| 
								 | 
							
								{
							 | 
						||
| 
								 | 
							
								    GL3WglProc res;
							 | 
						||
| 
								 | 
							
								    res = glx_get_proc_address((const GLubyte *)proc);
							 | 
						||
| 
								 | 
							
								    if (!res)
							 | 
						||
| 
								 | 
							
								        *(void **)(&res) = dlsym(libgl, proc);
							 | 
						||
| 
								 | 
							
								    return res;
							 | 
						||
| 
								 | 
							
								}
							 | 
						||
| 
								 | 
							
								#endif
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								static struct { int major, minor; } version;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								static int parse_version(void)
							 | 
						||
| 
								 | 
							
								{
							 | 
						||
| 
								 | 
							
								    if (!glGetIntegerv)
							 | 
						||
| 
								 | 
							
								        return GL3W_ERROR_INIT;
							 | 
						||
| 
								 | 
							
								    glGetIntegerv(GL_MAJOR_VERSION, &version.major);
							 | 
						||
| 
								 | 
							
								    glGetIntegerv(GL_MINOR_VERSION, &version.minor);
							 | 
						||
| 
								 | 
							
								    if (version.major < 3)
							 | 
						||
| 
								 | 
							
								        return GL3W_ERROR_OPENGL_VERSION;
							 | 
						||
| 
								 | 
							
								    return GL3W_OK;
							 | 
						||
| 
								 | 
							
								}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								static void load_procs(GL3WGetProcAddressProc proc);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								int imgl3wInit(void)
							 | 
						||
| 
								 | 
							
								{
							 | 
						||
| 
								 | 
							
								    int res = open_libgl();
							 | 
						||
| 
								 | 
							
								    if (res)
							 | 
						||
| 
								 | 
							
								        return res;
							 | 
						||
| 
								 | 
							
								    atexit(close_libgl);
							 | 
						||
| 
								 | 
							
								    return imgl3wInit2(get_proc);
							 | 
						||
| 
								 | 
							
								}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								int imgl3wInit2(GL3WGetProcAddressProc proc)
							 | 
						||
| 
								 | 
							
								{
							 | 
						||
| 
								 | 
							
								    load_procs(proc);
							 | 
						||
| 
								 | 
							
								    return parse_version();
							 | 
						||
| 
								 | 
							
								}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								int imgl3wIsSupported(int major, int minor)
							 | 
						||
| 
								 | 
							
								{
							 | 
						||
| 
								 | 
							
								    if (major < 3)
							 | 
						||
| 
								 | 
							
								        return 0;
							 | 
						||
| 
								 | 
							
								    if (version.major == major)
							 | 
						||
| 
								 | 
							
								        return version.minor >= minor;
							 | 
						||
| 
								 | 
							
								    return version.major >= major;
							 | 
						||
| 
								 | 
							
								}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								GL3WglProc imgl3wGetProcAddress(const char *proc) { return get_proc(proc); }
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								static const char *proc_names[] = {
							 | 
						||
| 
								 | 
							
								    "glActiveTexture",
							 | 
						||
| 
								 | 
							
								    "glAttachShader",
							 | 
						||
| 
								 | 
							
								    "glBindBuffer",
							 | 
						||
| 
								 | 
							
								    "glBindSampler",
							 | 
						||
| 
								 | 
							
								    "glBindTexture",
							 | 
						||
| 
								 | 
							
								    "glBindVertexArray",
							 | 
						||
| 
								 | 
							
								    "glBlendEquation",
							 | 
						||
| 
								 | 
							
								    "glBlendEquationSeparate",
							 | 
						||
| 
								 | 
							
								    "glBlendFuncSeparate",
							 | 
						||
| 
								 | 
							
								    "glBufferData",
							 | 
						||
| 
								 | 
							
								    "glBufferSubData",
							 | 
						||
| 
								 | 
							
								    "glClear",
							 | 
						||
| 
								 | 
							
								    "glClearColor",
							 | 
						||
| 
								 | 
							
								    "glCompileShader",
							 | 
						||
| 
								 | 
							
								    "glCreateProgram",
							 | 
						||
| 
								 | 
							
								    "glCreateShader",
							 | 
						||
| 
								 | 
							
								    "glDeleteBuffers",
							 | 
						||
| 
								 | 
							
								    "glDeleteProgram",
							 | 
						||
| 
								 | 
							
								    "glDeleteShader",
							 | 
						||
| 
								 | 
							
								    "glDeleteTextures",
							 | 
						||
| 
								 | 
							
								    "glDeleteVertexArrays",
							 | 
						||
| 
								 | 
							
								    "glDetachShader",
							 | 
						||
| 
								 | 
							
								    "glDisable",
							 | 
						||
| 
								 | 
							
								    "glDisableVertexAttribArray",
							 | 
						||
| 
								 | 
							
								    "glDrawElements",
							 | 
						||
| 
								 | 
							
								    "glDrawElementsBaseVertex",
							 | 
						||
| 
								 | 
							
								    "glEnable",
							 | 
						||
| 
								 | 
							
								    "glEnableVertexAttribArray",
							 | 
						||
| 
								 | 
							
								    "glFlush",
							 | 
						||
| 
								 | 
							
								    "glGenBuffers",
							 | 
						||
| 
								 | 
							
								    "glGenTextures",
							 | 
						||
| 
								 | 
							
								    "glGenVertexArrays",
							 | 
						||
| 
								 | 
							
								    "glGetAttribLocation",
							 | 
						||
| 
								 | 
							
								    "glGetError",
							 | 
						||
| 
								 | 
							
								    "glGetIntegerv",
							 | 
						||
| 
								 | 
							
								    "glGetProgramInfoLog",
							 | 
						||
| 
								 | 
							
								    "glGetProgramiv",
							 | 
						||
| 
								 | 
							
								    "glGetShaderInfoLog",
							 | 
						||
| 
								 | 
							
								    "glGetShaderiv",
							 | 
						||
| 
								 | 
							
								    "glGetString",
							 | 
						||
| 
								 | 
							
								    "glGetStringi",
							 | 
						||
| 
								 | 
							
								    "glGetUniformLocation",
							 | 
						||
| 
								 | 
							
								    "glGetVertexAttribPointerv",
							 | 
						||
| 
								 | 
							
								    "glGetVertexAttribiv",
							 | 
						||
| 
								 | 
							
								    "glIsEnabled",
							 | 
						||
| 
								 | 
							
								    "glLinkProgram",
							 | 
						||
| 
								 | 
							
								    "glPixelStorei",
							 | 
						||
| 
								 | 
							
								    "glPolygonMode",
							 | 
						||
| 
								 | 
							
								    "glReadPixels",
							 | 
						||
| 
								 | 
							
								    "glScissor",
							 | 
						||
| 
								 | 
							
								    "glShaderSource",
							 | 
						||
| 
								 | 
							
								    "glTexImage2D",
							 | 
						||
| 
								 | 
							
								    "glTexParameteri",
							 | 
						||
| 
								 | 
							
								    "glUniform1i",
							 | 
						||
| 
								 | 
							
								    "glUniformMatrix4fv",
							 | 
						||
| 
								 | 
							
								    "glUseProgram",
							 | 
						||
| 
								 | 
							
								    "glVertexAttribPointer",
							 | 
						||
| 
								 | 
							
								    "glViewport",
							 | 
						||
| 
								 | 
							
								};
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								GL3W_API union GL3WProcs imgl3wProcs;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								static void load_procs(GL3WGetProcAddressProc proc)
							 | 
						||
| 
								 | 
							
								{
							 | 
						||
| 
								 | 
							
								    size_t i;
							 | 
						||
| 
								 | 
							
								    for (i = 0; i < ARRAY_SIZE(proc_names); i++)
							 | 
						||
| 
								 | 
							
								        imgl3wProcs.ptr[i] = proc(proc_names[i]);
							 | 
						||
| 
								 | 
							
								}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								#ifdef __cplusplus
							 | 
						||
| 
								 | 
							
								}
							 | 
						||
| 
								 | 
							
								#endif
							 | 
						||
| 
								 | 
							
								#endif
							 |