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4704
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1 /* San Angeles Observation OpenGL ES version example
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2 * Copyright 2004-2005 Jetro Lauha
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3 * All rights reserved.
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4 * Web: http://iki.fi/jetro/
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5 *
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6 * This source is free software; you can redistribute it and/or
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7 * modify it under the terms of EITHER:
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8 * (1) The GNU Lesser General Public License as published by the Free
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9 * Software Foundation; either version 2.1 of the License, or (at
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10 * your option) any later version. The text of the GNU Lesser
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11 * General Public License is included with this source in the
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12 * file LICENSE-LGPL.txt.
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13 * (2) The BSD-style license that is included with this source in
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14 * the file LICENSE-BSD.txt.
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15 *
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16 * This source is distributed in the hope that it will be useful,
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17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the files
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19 * LICENSE-LGPL.txt and LICENSE-BSD.txt for more details.
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20 *
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21 * $Id: importgl.h,v 1.4 2005/02/24 20:29:33 tonic Exp $
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22 * $Revision: 1.4 $
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23 */
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24
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25 #ifndef IMPORTGL_H_INCLUDED
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26 #define IMPORTGL_H_INCLUDED
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27
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28
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29 #ifdef __cplusplus
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30 extern "C" {
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31 #endif
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32
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33
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34 #include <GLES/gl.h>
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35 #ifndef ANDROID_NDK
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36 #include <GLES/egl.h>
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37 #endif /* !ANDROID_NDK */
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38
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39 /* Use DISABLE_IMPORTGL if you want to link the OpenGL ES at
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40 * compile/link time and not import it dynamically runtime.
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41 */
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42 #ifndef DISABLE_IMPORTGL
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43
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44
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45 /* Dynamically fetches pointers to the egl & gl functions.
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46 * Should be called once on application initialization.
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47 * Returns non-zero on success and 0 on failure.
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48 */
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49 extern int importGLInit();
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50
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51 /* Frees the handle to egl & gl functions library.
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52 */
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53 extern void importGLDeinit();
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54
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55
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56 #ifndef IMPORTGL_API
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57 #define IMPORTGL_API extern
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58 #endif
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59 #ifndef IMPORTGL_FNPTRINIT
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60 #define IMPORTGL_FNPTRINIT
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61 #endif
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62
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63 #define FNDEF(retType, funcName, args) IMPORTGL_API retType (*funcPtr_##funcName) args IMPORTGL_FNPTRINIT
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64
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65 #ifndef ANDROID_NDK
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66 FNDEF(EGLBoolean, eglChooseConfig, (EGLDisplay dpy, const EGLint *attrib_list, EGLConfig *configs, EGLint config_size, EGLint *num_config));
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67 FNDEF(EGLContext, eglCreateContext, (EGLDisplay dpy, EGLConfig config, EGLContext share_list, const EGLint *attrib_list));
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68 FNDEF(EGLSurface, eglCreateWindowSurface, (EGLDisplay dpy, EGLConfig config, NativeWindowType window, const EGLint *attrib_list));
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69 FNDEF(EGLBoolean, eglDestroyContext, (EGLDisplay dpy, EGLContext ctx));
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70 FNDEF(EGLBoolean, eglDestroySurface, (EGLDisplay dpy, EGLSurface surface));
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71 FNDEF(EGLBoolean, eglGetConfigAttrib, (EGLDisplay dpy, EGLConfig config, EGLint attribute, EGLint *value));
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72 FNDEF(EGLBoolean, eglGetConfigs, (EGLDisplay dpy, EGLConfig *configs, EGLint config_size, EGLint *num_config));
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73 FNDEF(EGLDisplay, eglGetDisplay, (NativeDisplayType display));
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74 FNDEF(EGLint, eglGetError, (void));
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75 FNDEF(EGLBoolean, eglInitialize, (EGLDisplay dpy, EGLint *major, EGLint *minor));
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76 FNDEF(EGLBoolean, eglMakeCurrent, (EGLDisplay dpy, EGLSurface draw, EGLSurface read, EGLContext ctx));
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77 FNDEF(EGLBoolean, eglSwapBuffers, (EGLDisplay dpy, EGLSurface draw));
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78 FNDEF(EGLBoolean, eglTerminate, (EGLDisplay dpy));
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79 #endif /* !ANDROID_NDK */
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80
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81 FNDEF(void, glBlendFunc, (GLenum sfactor, GLenum dfactor));
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82 FNDEF(void, glClear, (GLbitfield mask));
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83 FNDEF(void, glClearColorx, (GLclampx red, GLclampx green, GLclampx blue, GLclampx alpha));
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84 FNDEF(void, glColor4x, (GLfixed red, GLfixed green, GLfixed blue, GLfixed alpha));
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85 FNDEF(void, glColorPointer, (GLint size, GLenum type, GLsizei stride, const GLvoid *pointer));
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86 FNDEF(void, glDisable, (GLenum cap));
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87 FNDEF(void, glDisableClientState, (GLenum array));
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88 FNDEF(void, glDrawArrays, (GLenum mode, GLint first, GLsizei count));
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89 FNDEF(void, glEnable, (GLenum cap));
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90 FNDEF(void, glEnableClientState, (GLenum array));
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91 FNDEF(void, glFrustumx, (GLfixed left, GLfixed right, GLfixed bottom, GLfixed top, GLfixed zNear, GLfixed zFar));
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92 FNDEF(GLenum, glGetError, (void));
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93 FNDEF(void, glLightxv, (GLenum light, GLenum pname, const GLfixed *params));
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94 FNDEF(void, glLoadIdentity, (void));
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95 FNDEF(void, glMaterialx, (GLenum face, GLenum pname, GLfixed param));
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96 FNDEF(void, glMaterialxv, (GLenum face, GLenum pname, const GLfixed *params));
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97 FNDEF(void, glMatrixMode, (GLenum mode));
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98 FNDEF(void, glMultMatrixx, (const GLfixed *m));
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99 FNDEF(void, glNormalPointer, (GLenum type, GLsizei stride, const GLvoid *pointer));
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100 FNDEF(void, glPopMatrix, (void));
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101 FNDEF(void, glPushMatrix, (void));
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102 FNDEF(void, glRotatex, (GLfixed angle, GLfixed x, GLfixed y, GLfixed z));
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103 FNDEF(void, glScalex, (GLfixed x, GLfixed y, GLfixed z));
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104 FNDEF(void, glShadeModel, (GLenum mode));
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105 FNDEF(void, glTranslatex, (GLfixed x, GLfixed y, GLfixed z));
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106 FNDEF(void, glVertexPointer, (GLint size, GLenum type, GLsizei stride, const GLvoid *pointer));
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107 FNDEF(void, glViewport, (GLint x, GLint y, GLsizei width, GLsizei height));
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108
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109
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110 #undef FN
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111 #define FNPTR(name) funcPtr_##name
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112
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113 #ifndef IMPORTGL_NO_FNPTR_DEFS
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114
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115 // Redirect egl* and gl* function calls to funcPtr_egl* and funcPtr_gl*.
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116
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117 #ifndef ANDROID_NDK
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118 #define eglChooseConfig FNPTR(eglChooseConfig)
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119 #define eglCreateContext FNPTR(eglCreateContext)
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120 #define eglCreateWindowSurface FNPTR(eglCreateWindowSurface)
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121 #define eglDestroyContext FNPTR(eglDestroyContext)
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122 #define eglDestroySurface FNPTR(eglDestroySurface)
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123 #define eglGetConfigAttrib FNPTR(eglGetConfigAttrib)
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124 #define eglGetConfigs FNPTR(eglGetConfigs)
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125 #define eglGetDisplay FNPTR(eglGetDisplay)
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126 #define eglGetError FNPTR(eglGetError)
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127 #define eglInitialize FNPTR(eglInitialize)
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128 #define eglMakeCurrent FNPTR(eglMakeCurrent)
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129 #define eglSwapBuffers FNPTR(eglSwapBuffers)
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130 #define eglTerminate FNPTR(eglTerminate)
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131 #endif /* !ANDROID_NDK */
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132
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133 #define glBlendFunc FNPTR(glBlendFunc)
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134 #define glClear FNPTR(glClear)
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135 #define glClearColorx FNPTR(glClearColorx)
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136 #define glColor4x FNPTR(glColor4x)
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137 #define glColorPointer FNPTR(glColorPointer)
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138 #define glDisable FNPTR(glDisable)
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139 #define glDisableClientState FNPTR(glDisableClientState)
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140 #define glDrawArrays FNPTR(glDrawArrays)
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141 #define glEnable FNPTR(glEnable)
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142 #define glEnableClientState FNPTR(glEnableClientState)
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143 #define glFrustumx FNPTR(glFrustumx)
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144 #define glGetError FNPTR(glGetError)
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145 #define glLightxv FNPTR(glLightxv)
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146 #define glLoadIdentity FNPTR(glLoadIdentity)
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147 #define glMaterialx FNPTR(glMaterialx)
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148 #define glMaterialxv FNPTR(glMaterialxv)
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149 #define glMatrixMode FNPTR(glMatrixMode)
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150 #define glMultMatrixx FNPTR(glMultMatrixx)
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151 #define glNormalPointer FNPTR(glNormalPointer)
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152 #define glPopMatrix FNPTR(glPopMatrix)
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153 #define glPushMatrix FNPTR(glPushMatrix)
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154 #define glRotatex FNPTR(glRotatex)
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155 #define glScalex FNPTR(glScalex)
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156 #define glShadeModel FNPTR(glShadeModel)
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157 #define glTranslatex FNPTR(glTranslatex)
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158 #define glVertexPointer FNPTR(glVertexPointer)
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159 #define glViewport FNPTR(glViewport)
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160
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161 #endif // !IMPORTGL_NO_FNPTR_DEFS
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162
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163
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164 #endif // !DISABLE_IMPORTGL
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165
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166
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167 #ifdef __cplusplus
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168 }
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169 #endif
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170
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171
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172 #endif // !IMPORTGL_H_INCLUDED
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