2014-06-15 05:52:26 +00:00
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/*
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** gl-fun.h
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**
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** This file is part of mkxp.
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**
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** Copyright (C) 2014 Jonas Kulla <Nyocurio@gmail.com>
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**
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** mkxp is free software: you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation, either version 2 of the License, or
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** (at your option) any later version.
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**
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** mkxp is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with mkxp. If not, see <http://www.gnu.org/licenses/>.
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*/
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2014-05-30 21:01:35 +00:00
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#ifndef GLFUN_H
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#define GLFUN_H
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#include <SDL_opengl.h>
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/* Etc */
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typedef GLenum (APIENTRYP PFNGLGETERRORPROC) (void);
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typedef void (APIENTRYP PFNGLCLEARCOLORPROC) (GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha);
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typedef void (APIENTRYP PFNGLCLEARPROC) (GLbitfield mask);
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typedef const GLubyte * (APIENTRYP PFNGLGETSTRINGPROC) (GLenum name);
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typedef void (APIENTRYP PFNGLGETINTEGERVPROC) (GLenum pname, GLint *params);
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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, GLvoid *pixels);
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typedef void (APIENTRYP PFNGLENABLEPROC) (GLenum cap);
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typedef void (APIENTRYP PFNGLDISABLEPROC) (GLenum cap);
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typedef void (APIENTRYP PFNGLSCISSORPROC) (GLint x, GLint y, GLsizei width, GLsizei height);
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typedef void (APIENTRYP PFNGLVIEWPORTPROC) (GLint x, GLint y, GLsizei width, GLsizei height);
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typedef void (APIENTRYP PFNGLBLENDFUNCPROC) (GLenum sfactor, GLenum dfactor);
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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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typedef void (APIENTRYP PFNGLDRAWELEMENTSPROC) (GLenum mode, GLsizei count, GLenum type, const GLvoid *indices);
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/* Texture */
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typedef void (APIENTRYP PFNGLGENTEXTURESPROC) (GLsizei n, GLuint *textures);
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typedef void (APIENTRYP PFNGLDELETETEXTURESPROC) (GLsizei n, const GLuint *textures);
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typedef void (APIENTRYP PFNGLBINDTEXTUREPROC) (GLenum target, GLuint texture);
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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 GLvoid *pixels);
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typedef void (APIENTRYP PFNGLTEXSUBIMAGE2DPROC) (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid *pixels);
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typedef void (APIENTRYP PFNGLTEXPARAMETERIPROC) (GLenum target, GLenum pname, GLint param);
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typedef void (APIENTRYP PFNGLACTIVETEXTUREPROC) (GLenum texture);
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/* Debug callback */
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2014-06-24 21:33:58 +00:00
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typedef void (APIENTRY * GLDEBUGPROC) (GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const GLchar* message, const void *userParam);
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typedef void (APIENTRYP PFNGLDEBUGMESSAGECALLBACKPROC) (GLDEBUGPROC callback, const void *userParam);
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2014-05-30 21:01:35 +00:00
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#define GL_20_FUN \
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/* Etc */ \
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GL_FUN(GetError, PFNGLGETERRORPROC) \
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GL_FUN(ClearColor, PFNGLCLEARCOLORPROC) \
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GL_FUN(Clear, PFNGLCLEARPROC) \
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GL_FUN(GetString, PFNGLGETSTRINGPROC) \
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GL_FUN(GetIntegerv, PFNGLGETINTEGERVPROC) \
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GL_FUN(PixelStorei, PFNGLPIXELSTOREIPROC) \
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GL_FUN(ReadPixels, PFNGLREADPIXELSPROC) \
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GL_FUN(Enable, PFNGLENABLEPROC) \
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GL_FUN(Disable, PFNGLDISABLEPROC) \
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GL_FUN(Scissor, PFNGLSCISSORPROC) \
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GL_FUN(Viewport, PFNGLVIEWPORTPROC) \
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GL_FUN(BlendFunc, PFNGLBLENDFUNCPROC) \
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GL_FUN(BlendFuncSeparate, PFNGLBLENDFUNCSEPARATEPROC) \
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GL_FUN(BlendEquation, PFNGLBLENDEQUATIONPROC) \
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GL_FUN(DrawElements, PFNGLDRAWELEMENTSPROC) \
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/* Texture */ \
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GL_FUN(GenTextures, PFNGLGENTEXTURESPROC) \
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GL_FUN(DeleteTextures, PFNGLDELETETEXTURESPROC) \
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GL_FUN(BindTexture, PFNGLBINDTEXTUREPROC) \
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GL_FUN(TexImage2D, PFNGLTEXIMAGE2DPROC) \
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GL_FUN(TexSubImage2D, PFNGLTEXSUBIMAGE2DPROC) \
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GL_FUN(TexParameteri, PFNGLTEXPARAMETERIPROC) \
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GL_FUN(ActiveTexture, PFNGLACTIVETEXTUREPROC) \
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/* Buffer objcet */ \
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GL_FUN(GenBuffers, PFNGLGENBUFFERSPROC) \
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GL_FUN(DeleteBuffers, PFNGLDELETEBUFFERSPROC) \
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GL_FUN(BindBuffer, PFNGLBINDBUFFERPROC) \
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GL_FUN(BufferData, PFNGLBUFFERDATAPROC) \
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GL_FUN(BufferSubData, PFNGLBUFFERSUBDATAPROC) \
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/* Shader */ \
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GL_FUN(CreateShader, PFNGLCREATESHADERPROC) \
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GL_FUN(DeleteShader, PFNGLDELETESHADERPROC) \
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GL_FUN(ShaderSource, PFNGLSHADERSOURCEPROC) \
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GL_FUN(CompileShader, PFNGLCOMPILESHADERPROC) \
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GL_FUN(AttachShader, PFNGLATTACHSHADERPROC) \
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GL_FUN(GetShaderiv, PFNGLGETSHADERIVPROC) \
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GL_FUN(GetShaderInfoLog, PFNGLGETSHADERINFOLOGPROC) \
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/* Program */ \
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GL_FUN(CreateProgram, PFNGLCREATEPROGRAMPROC) \
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GL_FUN(DeleteProgram, PFNGLDELETEPROGRAMPROC) \
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GL_FUN(UseProgram, PFNGLUSEPROGRAMPROC) \
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GL_FUN(LinkProgram, PFNGLLINKPROGRAMPROC) \
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GL_FUN(GetProgramiv, PFNGLGETPROGRAMIVPROC) \
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GL_FUN(GetProgramInfoLog, PFNGLGETPROGRAMINFOLOGPROC) \
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/* Uniform */ \
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GL_FUN(GetUniformLocation, PFNGLGETUNIFORMLOCATIONPROC) \
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GL_FUN(Uniform1f, PFNGLUNIFORM1FPROC) \
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GL_FUN(Uniform2f, PFNGLUNIFORM2FPROC) \
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GL_FUN(Uniform4f, PFNGLUNIFORM4FPROC) \
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GL_FUN(Uniform1i, PFNGLUNIFORM1IPROC) \
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GL_FUN(UniformMatrix4fv, PFNGLUNIFORMMATRIX4FVPROC) \
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/* Vertex attribute */ \
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GL_FUN(BindAttribLocation, PFNGLBINDATTRIBLOCATIONPROC) \
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GL_FUN(EnableVertexAttribArray, PFNGLENABLEVERTEXATTRIBARRAYPROC) \
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2014-07-13 12:03:18 +00:00
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GL_FUN(DisableVertexAttribArray, PFNGLDISABLEVERTEXATTRIBARRAYPROC) \
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2014-06-13 16:56:10 +00:00
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GL_FUN(VertexAttribPointer, PFNGLVERTEXATTRIBPOINTERPROC)
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2014-05-30 21:01:35 +00:00
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#define GL_FBO_FUN \
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/* Framebuffer object */ \
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GL_FUN(GenFramebuffers, PFNGLGENFRAMEBUFFERSPROC) \
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GL_FUN(DeleteFramebuffers, PFNGLDELETEFRAMEBUFFERSPROC) \
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GL_FUN(BindFramebuffer, PFNGLBINDFRAMEBUFFERPROC) \
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GL_FUN(FramebufferTexture2D, PFNGLFRAMEBUFFERTEXTURE2DPROC) \
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GL_FUN(FramebufferRenderbuffer, PFNGLFRAMEBUFFERRENDERBUFFERPROC) \
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2014-07-16 02:48:40 +00:00
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GL_FUN(BlitFramebuffer, PFNGLBLITFRAMEBUFFERPROC)
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2014-05-30 21:01:35 +00:00
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#define GL_VAO_FUN \
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/* Vertex array object */ \
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GL_FUN(GenVertexArrays, PFNGLGENVERTEXARRAYSPROC) \
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GL_FUN(DeleteVertexArrays, PFNGLDELETEVERTEXARRAYSPROC) \
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GL_FUN(BindVertexArray, PFNGLBINDVERTEXARRAYPROC)
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#define GL_DEBUG_KHR_FUN \
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GL_FUN(DebugMessageCallback, PFNGLDEBUGMESSAGECALLBACKPROC)
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struct GLFunctions
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{
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#define GL_FUN(name, type) type name;
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GL_20_FUN
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GL_FBO_FUN
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GL_VAO_FUN
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GL_DEBUG_KHR_FUN
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2014-07-11 06:31:12 +00:00
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bool unpack_subimage;
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2014-07-17 08:09:58 +00:00
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bool npot_repeat;
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2014-07-11 06:31:12 +00:00
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2014-05-30 21:01:35 +00:00
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#undef GL_FUN
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};
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extern GLFunctions gl;
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void initGLFunctions();
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#endif // GLFUN_H
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