810 lines
		
	
	
		
			35 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			810 lines
		
	
	
		
			35 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
//-----------------------------------------------------------------------------
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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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// IF YOU GET BUILD ERRORS IN THIS FILE (commonly macro redefinitions or function redefinitions):
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// IT LIKELY MEANS THAT YOU ARE BUILDING 'imgui_impl_opengl3.cpp' OR INCUDING 'imgui_impl_opengl3_loader.h'
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// IN THE SAME COMPILATION UNIT AS ONE OF YOUR FILE WHICH IS USING A THIRD-PARTY OPENGL LOADER.
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// (e.g. COULD HAPPEN IF YOU ARE DOING A UNITY/JUMBO BUILD, OR INCLUDING .CPP FILES FROM OTHERS)
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// YOU SHOULD NOT BUILD BOTH IN THE SAME COMPILATION UNIT.
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// BUT IF YOU REALLY WANT TO, you can '#define IMGUI_IMPL_OPENGL_LOADER_CUSTOM' and imgui_impl_opengl3.cpp
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// WILL NOT BE USING OUR LOADER, AND INSTEAD EXPECT ANOTHER/YOUR LOADER TO BE AVAILABLE IN THE COMPILATION UNIT.
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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                          0x0404
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#define GL_BACK                           0x0405
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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_VENDOR                         0x1F00
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#define GL_RENDERER                       0x1F01
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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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GLAPI void APIENTRY glBindTexture (GLenum target, GLuint texture);
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GLAPI void APIENTRY glDeleteTextures (GLsizei n, const GLuint *textures);
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GLAPI void APIENTRY glGenTextures (GLsizei n, GLuint *textures);
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#endif
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#endif /* GL_VERSION_1_1 */
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#ifndef GL_VERSION_1_3
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#define GL_TEXTURE0                       0x84C0
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#define GL_ACTIVE_TEXTURE                 0x84E0
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typedef void (APIENTRYP PFNGLACTIVETEXTUREPROC) (GLenum texture);
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#ifdef GL_GLEXT_PROTOTYPES
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GLAPI void APIENTRY glActiveTexture (GLenum texture);
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#endif
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#endif /* GL_VERSION_1_3 */
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#ifndef GL_VERSION_1_4
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#define GL_BLEND_DST_RGB                  0x80C8
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#define GL_BLEND_SRC_RGB                  0x80C9
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#define GL_BLEND_DST_ALPHA                0x80CA
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#define GL_BLEND_SRC_ALPHA                0x80CB
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#define GL_FUNC_ADD                       0x8006
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typedef void (APIENTRYP PFNGLBLENDFUNCSEPARATEPROC) (GLenum sfactorRGB, GLenum dfactorRGB, GLenum sfactorAlpha, GLenum dfactorAlpha);
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typedef void (APIENTRYP PFNGLBLENDEQUATIONPROC) (GLenum mode);
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#ifdef GL_GLEXT_PROTOTYPES
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GLAPI void APIENTRY glBlendFuncSeparate (GLenum sfactorRGB, GLenum dfactorRGB, GLenum sfactorAlpha, GLenum dfactorAlpha);
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GLAPI void APIENTRY glBlendEquation (GLenum mode);
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#endif
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#endif /* GL_VERSION_1_4 */
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#ifndef GL_VERSION_1_5
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typedef khronos_ssize_t GLsizeiptr;
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typedef khronos_intptr_t GLintptr;
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#define GL_ARRAY_BUFFER                   0x8892
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#define GL_ELEMENT_ARRAY_BUFFER           0x8893
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#define GL_ARRAY_BUFFER_BINDING           0x8894
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#define GL_ELEMENT_ARRAY_BUFFER_BINDING   0x8895
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#define GL_STREAM_DRAW                    0x88E0
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typedef void (APIENTRYP PFNGLBINDBUFFERPROC) (GLenum target, GLuint buffer);
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typedef void (APIENTRYP PFNGLDELETEBUFFERSPROC) (GLsizei n, const GLuint *buffers);
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typedef void (APIENTRYP PFNGLGENBUFFERSPROC) (GLsizei n, GLuint *buffers);
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typedef void (APIENTRYP PFNGLBUFFERDATAPROC) (GLenum target, GLsizeiptr size, const void *data, GLenum usage);
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typedef void (APIENTRYP PFNGLBUFFERSUBDATAPROC) (GLenum target, GLintptr offset, GLsizeiptr size, const void *data);
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#ifdef GL_GLEXT_PROTOTYPES
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GLAPI void APIENTRY glBindBuffer (GLenum target, GLuint buffer);
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GLAPI void APIENTRY glDeleteBuffers (GLsizei n, const GLuint *buffers);
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GLAPI void APIENTRY glGenBuffers (GLsizei n, GLuint *buffers);
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GLAPI void APIENTRY glBufferData (GLenum target, GLsizeiptr size, const void *data, GLenum usage);
 | 
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GLAPI void APIENTRY glBufferSubData (GLenum target, GLintptr offset, GLsizeiptr size, const void *data);
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#endif
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#endif /* GL_VERSION_1_5 */
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#ifndef GL_VERSION_2_0
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typedef char GLchar;
 | 
						|
typedef khronos_int16_t GLshort;
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						|
typedef khronos_int8_t GLbyte;
 | 
						|
typedef khronos_uint16_t GLushort;
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#define GL_BLEND_EQUATION_RGB             0x8009
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						|
#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
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						|
#define GL_VERTEX_ATTRIB_ARRAY_POINTER    0x8645
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						|
#define GL_BLEND_EQUATION_ALPHA           0x883D
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						|
#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
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						|
#define GL_CURRENT_PROGRAM                0x8B8D
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						|
#define GL_UPPER_LEFT                     0x8CA2
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typedef void (APIENTRYP PFNGLBLENDEQUATIONSEPARATEPROC) (GLenum modeRGB, GLenum modeAlpha);
 | 
						|
typedef void (APIENTRYP PFNGLATTACHSHADERPROC) (GLuint program, GLuint shader);
 | 
						|
typedef void (APIENTRYP PFNGLCOMPILESHADERPROC) (GLuint shader);
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typedef GLuint (APIENTRYP PFNGLCREATEPROGRAMPROC) (void);
 | 
						|
typedef GLuint (APIENTRYP PFNGLCREATESHADERPROC) (GLenum type);
 | 
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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);
 | 
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typedef void (APIENTRYP PFNGLGETSHADERIVPROC) (GLuint shader, GLenum pname, GLint *params);
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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 GLboolean (APIENTRYP PFNGLISPROGRAMPROC) (GLuint program);
 | 
						|
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);
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						|
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 GLboolean APIENTRY glIsProgram (GLuint program);
 | 
						|
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;
 | 
						|
#define GL_CONTEXT_COMPATIBILITY_PROFILE_BIT 0x00000002
 | 
						|
#define GL_CONTEXT_PROFILE_MASK           0x9126
 | 
						|
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[59];
 | 
						|
    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;
 | 
						|
        PFNGLISPROGRAMPROC                IsProgram;
 | 
						|
        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 glIsProgram                       imgl3wProcs.gl.IsProgram
 | 
						|
#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 == 0 && version.minor == 0)
 | 
						|
    {
 | 
						|
        // Query GL_VERSION in desktop GL 2.x, the string will start with "<major>.<minor>"
 | 
						|
        if (const char* gl_version = (const char*)glGetString(GL_VERSION))
 | 
						|
            sscanf(gl_version, "%d.%d", &version.major, &version.minor);
 | 
						|
    }
 | 
						|
    if (version.major < 2)
 | 
						|
        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 < 2)
 | 
						|
        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",
 | 
						|
    "glIsProgram",
 | 
						|
    "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
 |