| 1 | /****************************************************************************
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| 2 | **
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| 3 | ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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| 4 | ** Contact: Qt Software Information ([email protected])
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| 5 | **
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| 6 | ** This file is part of the demonstration applications of the Qt Toolkit.
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| 7 | **
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| 8 | ** $QT_BEGIN_LICENSE:LGPL$
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| 9 | ** Commercial Usage
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| 10 | ** Licensees holding valid Qt Commercial licenses may use this file in
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| 11 | ** accordance with the Qt Commercial License Agreement provided with the
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| 12 | ** Software or, alternatively, in accordance with the terms contained in
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| 13 | ** a written agreement between you and Nokia.
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| 14 | **
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| 15 | ** GNU Lesser General Public License Usage
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| 16 | ** Alternatively, this file may be used under the terms of the GNU Lesser
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| 17 | ** General Public License version 2.1 as published by the Free Software
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| 18 | ** Foundation and appearing in the file LICENSE.LGPL included in the
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| 19 | ** packaging of this file. Please review the following information to
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| 20 | ** ensure the GNU Lesser General Public License version 2.1 requirements
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| 21 | ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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| 22 | **
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| 23 | ** In addition, as a special exception, Nokia gives you certain
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| 24 | ** additional rights. These rights are described in the Nokia Qt LGPL
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| 25 | ** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
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| 26 | ** package.
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| 27 | **
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| 28 | ** GNU General Public License Usage
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| 29 | ** Alternatively, this file may be used under the terms of the GNU
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| 30 | ** General Public License version 3.0 as published by the Free Software
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| 31 | ** Foundation and appearing in the file LICENSE.GPL included in the
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| 32 | ** packaging of this file. Please review the following information to
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| 33 | ** ensure the GNU General Public License version 3.0 requirements will be
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| 34 | ** met: http://www.gnu.org/copyleft/gpl.html.
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| 35 | **
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| 36 | ** If you are unsure which license is appropriate for your use, please
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| 37 | ** contact the sales department at [email protected].
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| 38 | ** $QT_END_LICENSE$
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| 39 | **
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| 40 | ****************************************************************************/
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| 41 |
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| 42 | #ifndef GLEXTENSIONS_H
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| 43 | #define GLEXTENSIONS_H
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| 44 |
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| 45 | #include <QtOpenGL>
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| 46 |
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| 47 | /*
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| 48 | Functions resolved:
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| 49 |
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| 50 | glCreateShaderObjectARB
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| 51 | glShaderSourceARB
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| 52 | glCompileShaderARB
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| 53 | glGetObjectParameterivARB
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| 54 | glDeleteObjectARB
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| 55 | glGetInfoLogARB
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| 56 | glCreateProgramObjectARB
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| 57 | glAttachObjectARB
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| 58 | glDetachObjectARB
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| 59 | glLinkProgramARB
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| 60 | glUseProgramObjectARB
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| 61 | glGetUniformLocationARB
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| 62 | glUniform1iARB
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| 63 | glUniform1fARB
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| 64 | glUniform4fARB
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| 65 | glUniformMatrix4fvARB
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| 66 |
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| 67 | glGenFramebuffersEXT
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| 68 | glGenRenderbuffersEXT
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| 69 | glBindRenderbufferEXT
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| 70 | glRenderbufferStorageEXT
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| 71 | glDeleteFramebuffersEXT
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| 72 | glDeleteRenderbuffersEXT
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| 73 | glBindFramebufferEXT
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| 74 | glFramebufferTexture2DEXT
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| 75 | glFramebufferRenderbufferEXT
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| 76 | glCheckFramebufferStatusEXT
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| 77 |
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| 78 | glActiveTexture
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| 79 | glTexImage3D
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| 80 |
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| 81 | glGenBuffers
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| 82 | glBindBuffer
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| 83 | glBufferData
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| 84 | glDeleteBuffers
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| 85 | glMapBuffer
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| 86 | glUnmapBuffer
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| 87 | */
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| 88 |
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| 89 | #ifndef Q_WS_MAC
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| 90 | # ifndef APIENTRYP
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| 91 | # ifdef APIENTRY
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| 92 | # define APIENTRYP APIENTRY *
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| 93 | # else
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| 94 | # define APIENTRY
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| 95 | # define APIENTRYP *
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| 96 | # endif
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| 97 | # endif
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| 98 | #else
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| 99 | # define APIENTRY
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| 100 | # define APIENTRYP *
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| 101 | #endif
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| 102 |
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| 103 | #ifndef GL_VERSION_1_2
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| 104 | #define GL_TEXTURE_3D 0x806F
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| 105 | #define GL_TEXTURE_WRAP_R 0x8072
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| 106 | #define GL_CLAMP_TO_EDGE 0x812F
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| 107 | #define GL_BGRA 0x80E1
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| 108 | #endif
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| 109 |
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| 110 | #ifndef GL_VERSION_1_3
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| 111 | #define GL_TEXTURE0 0x84C0
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| 112 | #define GL_TEXTURE1 0x84C1
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| 113 | #define GL_TEXTURE2 0x84C2
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| 114 | #define GL_TEXTURE_CUBE_MAP 0x8513
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| 115 | #define GL_TEXTURE_CUBE_MAP_POSITIVE_X 0x8515
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| 116 | //#define GL_TEXTURE_CUBE_MAP_NEGATIVE_X 0x8516
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| 117 | //#define GL_TEXTURE_CUBE_MAP_POSITIVE_Y 0x8517
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| 118 | //#define GL_TEXTURE_CUBE_MAP_NEGATIVE_Y 0x8518
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| 119 | //#define GL_TEXTURE_CUBE_MAP_POSITIVE_Z 0x8519
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| 120 | //#define GL_TEXTURE_CUBE_MAP_NEGATIVE_Z 0x851A
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| 121 | #endif
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| 122 |
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| 123 | #ifndef GL_VERSION_1_5
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| 124 | typedef ptrdiff_t GLsizeiptr;
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| 125 | #define GL_ARRAY_BUFFER 0x8892
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| 126 | #define GL_ELEMENT_ARRAY_BUFFER 0x8893
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| 127 | #define GL_READ_WRITE 0x88BA
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| 128 | #define GL_STATIC_DRAW 0x88E4
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| 129 | #endif
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| 130 |
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| 131 | #ifndef GL_EXT_framebuffer_object
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| 132 | #define GL_RENDERBUFFER_EXT 0x8D41
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| 133 | #define GL_FRAMEBUFFER_EXT 0x8D40
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| 134 | #define GL_FRAMEBUFFER_COMPLETE_EXT 0x8CD5
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| 135 | #define GL_COLOR_ATTACHMENT0_EXT 0x8CE0
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| 136 | #define GL_DEPTH_ATTACHMENT_EXT 0x8D00
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| 137 | #endif
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| 138 |
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| 139 | #ifndef GL_ARB_vertex_shader
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| 140 | #define GL_VERTEX_SHADER_ARB 0x8B31
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| 141 | #endif
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| 142 |
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| 143 | #ifndef GL_ARB_fragment_shader
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| 144 | #define GL_FRAGMENT_SHADER_ARB 0x8B30
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| 145 | #endif
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| 146 |
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| 147 | #ifndef GL_ARB_shader_objects
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| 148 | typedef char GLcharARB;
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| 149 | typedef unsigned int GLhandleARB;
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| 150 | #define GL_OBJECT_COMPILE_STATUS_ARB 0x8B81
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| 151 | #define GL_OBJECT_LINK_STATUS_ARB 0x8B82
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| 152 | #define GL_OBJECT_INFO_LOG_LENGTH_ARB 0x8B84
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| 153 | #endif
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| 154 |
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| 155 | typedef GLhandleARB (APIENTRY *_glCreateShaderObjectARB) (GLenum);
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| 156 | typedef void (APIENTRY *_glShaderSourceARB) (GLhandleARB, GLuint, const GLcharARB**, GLint *);
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| 157 | typedef void (APIENTRY *_glCompileShaderARB) (GLhandleARB);
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| 158 | typedef void (APIENTRY *_glGetObjectParameterivARB) (GLhandleARB, GLenum, int *);
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| 159 | typedef void (APIENTRY *_glDeleteObjectARB) (GLhandleARB);
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| 160 | typedef void (APIENTRY *_glGetInfoLogARB) (GLhandleARB, GLsizei, GLsizei *, GLcharARB *);
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| 161 | typedef GLhandleARB (APIENTRY *_glCreateProgramObjectARB) ();
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| 162 | typedef void (APIENTRY *_glAttachObjectARB) (GLhandleARB, GLhandleARB);
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| 163 | typedef void (APIENTRY *_glDetachObjectARB) (GLhandleARB, GLhandleARB);
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| 164 | typedef void (APIENTRY *_glLinkProgramARB) (GLhandleARB);
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| 165 | typedef void (APIENTRY *_glUseProgramObjectARB) (GLhandleARB);
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| 166 | typedef GLint (APIENTRY *_glGetUniformLocationARB) (GLhandleARB, const GLcharARB *);
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| 167 | typedef void (APIENTRY *_glUniform1iARB) (GLint, GLint);
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| 168 | typedef void (APIENTRY *_glUniform1fARB) (GLint, GLfloat);
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| 169 | typedef void (APIENTRY *_glUniform4fARB) (GLint, GLfloat, GLfloat, GLfloat, GLfloat);
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| 170 | typedef void (APIENTRY *_glUniformMatrix4fvARB) (GLint, GLuint, GLboolean, const GLfloat *);
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| 171 |
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| 172 | typedef void (APIENTRY *_glGenFramebuffersEXT) (GLsizei, GLuint *);
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| 173 | typedef void (APIENTRY *_glGenRenderbuffersEXT) (GLsizei, GLuint *);
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| 174 | typedef void (APIENTRY *_glBindRenderbufferEXT) (GLenum, GLuint);
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| 175 | typedef void (APIENTRY *_glRenderbufferStorageEXT) (GLenum, GLenum, GLsizei, GLsizei);
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| 176 | typedef void (APIENTRY *_glDeleteFramebuffersEXT) (GLsizei, const GLuint*);
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| 177 | typedef void (APIENTRY *_glDeleteRenderbuffersEXT) (GLsizei, const GLuint*);
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| 178 | typedef void (APIENTRY *_glBindFramebufferEXT) (GLenum, GLuint);
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| 179 | typedef void (APIENTRY *_glFramebufferTexture2DEXT) (GLenum, GLenum, GLenum, GLuint, GLint);
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| 180 | typedef void (APIENTRY *_glFramebufferRenderbufferEXT) (GLenum, GLenum, GLenum, GLuint);
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| 181 | typedef GLenum (APIENTRY *_glCheckFramebufferStatusEXT) (GLenum);
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| 182 |
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| 183 | typedef void (APIENTRY *_glActiveTexture) (GLenum);
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| 184 | typedef void (APIENTRY *_glTexImage3D) (GLenum, GLint, GLenum, GLsizei, GLsizei, GLsizei, GLint, GLenum, GLenum, const GLvoid *);
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| 185 |
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| 186 | typedef void (APIENTRY *_glGenBuffers) (GLsizei, GLuint *);
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| 187 | typedef void (APIENTRY *_glBindBuffer) (GLenum, GLuint);
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| 188 | typedef void (APIENTRY *_glBufferData) (GLenum, GLsizeiptr, const GLvoid *, GLenum);
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| 189 | typedef void (APIENTRY *_glDeleteBuffers) (GLsizei, const GLuint *);
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| 190 | typedef void *(APIENTRY *_glMapBuffer) (GLenum, GLenum);
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| 191 | typedef GLboolean (APIENTRY *_glUnmapBuffer) (GLenum);
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| 192 |
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| 193 | struct GLExtensionFunctions
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| 194 | {
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| 195 | bool resolve(const QGLContext *context);
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| 196 |
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| 197 | bool glslSupported();
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| 198 | bool fboSupported();
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