1 // Copyright (C) 2015 Patryk Nadrowski
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2 // This file is part of the "Irrlicht Engine".
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3 // For conditions of distribution and use, see copyright notice in irrlicht.h
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5 #ifndef __C_OPENGL_COMMON_H_INCLUDED__
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6 #define __C_OPENGL_COMMON_H_INCLUDED__
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9 #ifdef _IRR_COMPILE_WITH_OPENGL_
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11 #if defined(_IRR_WINDOWS_API_)
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12 #define WIN32_LEAN_AND_MEAN
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13 #include <windows.h>
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14 #if defined(_IRR_OPENGL_USE_EXTPOINTER_)
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15 #define GL_GLEXT_LEGACY 1
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18 #if defined(_IRR_OPENGL_USE_EXTPOINTER_)
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19 #include <GL/glext.h>
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21 #include <GL/wglext.h>
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22 #elif defined(_IRR_COMPILE_WITH_OSX_DEVICE_)
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23 #if defined(_IRR_OPENGL_USE_EXTPOINTER_)
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24 #define GL_GLEXT_LEGACY 1
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26 #include <OpenGL/gl.h>
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27 #if defined(_IRR_OPENGL_USE_EXTPOINTER_)
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28 #include <GL/glext.h>
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30 #elif defined(_IRR_COMPILE_WITH_SDL_DEVICE_) && !defined(_IRR_COMPILE_WITH_X11_DEVICE_)
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31 #if defined(_IRR_OPENGL_USE_EXTPOINTER_)
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32 #define GL_GLEXT_LEGACY 1
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34 #define GL_GLEXT_PROTOTYPES 1
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36 #include <SDL_video.h>
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37 #include <SDL_opengl.h>
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38 #if defined(_IRR_OPENGL_USE_EXTPOINTER_)
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39 // The SDL2 header doesn't cut it for extensions
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40 #include <GL/glext.h>
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43 #if defined(_IRR_OPENGL_USE_EXTPOINTER_)
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44 #define GL_GLEXT_LEGACY 1
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45 #define GLX_GLXEXT_LEGACY 1
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47 #define GL_GLEXT_PROTOTYPES 1
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48 #define GLX_GLXEXT_PROTOTYPES 1
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52 #if defined(_IRR_OPENGL_USE_EXTPOINTER_)
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53 #include <GL/glext.h>
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54 #include <GL/glxext.h>
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58 #ifndef GL_ARB_shader_objects
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59 typedef char GLcharARB;
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60 typedef unsigned int GLhandleARB;
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63 #ifndef GL_VERSION_2_0
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64 typedef char GLchar;
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67 // Blending definitions.
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69 #if !defined(GL_VERSION_1_4)
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70 #if defined(GL_EXT_blend_subtract) || defined(GL_EXT_blend_minmax) || defined(GL_EXT_blend_logic_op)
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71 #define GL_FUNC_ADD GL_FUNC_ADD_EXT
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73 #define GL_FUNC_ADD 0
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79 #if !defined(GL_VERSION_3_0) && !defined(GL_ARB_framebuffer_object)
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80 #ifdef GL_EXT_framebuffer_object
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81 #define GL_FRAMEBUFFER GL_FRAMEBUFFER_EXT
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82 #define GL_COLOR_ATTACHMENT0 GL_COLOR_ATTACHMENT0_EXT
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83 #define GL_DEPTH_ATTACHMENT GL_DEPTH_ATTACHMENT_EXT
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84 #define GL_STENCIL_ATTACHMENT GL_STENCIL_ATTACHMENT_EXT
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85 #define GL_FRAMEBUFFER_COMPLETE GL_FRAMEBUFFER_COMPLETE_EXT
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86 #define GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT
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87 #define GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER_EXT
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88 #define GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT
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89 #define GL_FRAMEBUFFER_INCOMPLETE_FORMATS GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT
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90 #define GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT
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91 #define GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT
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92 #define GL_FRAMEBUFFER_UNSUPPORTED GL_FRAMEBUFFER_UNSUPPORTED_EXT
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94 #define GL_FRAMEBUFFER 0
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95 #define GL_COLOR_ATTACHMENT0 0
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96 #define GL_DEPTH_ATTACHMENT 0
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97 #define GL_STENCIL_ATTACHMENT 0
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98 #define GL_FRAMEBUFFER_COMPLETE 0
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99 #define GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER 1
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100 #define GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER 2
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101 #define GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT 3
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102 #define GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT 4
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103 #define GL_FRAMEBUFFER_UNSUPPORTED 5
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107 #ifdef GL_EXT_framebuffer_object
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108 #define GL_FRAMEBUFFER_INCOMPLETE_FORMATS GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT
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109 #define GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT
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111 #define GL_FRAMEBUFFER_INCOMPLETE_FORMATS 6
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112 #define GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS 7
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115 // MipMaps definitions.
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117 #if !defined(GL_VERSION_1_4)
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118 #ifdef GL_SGIS_generate_mipmap
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119 #define GL_GENERATE_MIPMAP GL_GENERATE_MIPMAP_SGIS
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120 #define GL_GENERATE_MIPMAP_HINT GL_GENERATE_MIPMAP_HINT_SGIS
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122 #define GL_GENERATE_MIPMAP 0
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123 #define GL_GENERATE_MIPMAP_HINT 0
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127 // Texture definitions.
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129 #if !defined(GL_VERSION_1_3)
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130 #ifdef GL_ARB_multitexture
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131 #define GL_TEXTURE0 GL_TEXTURE0_ARB
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133 #define GL_TEXTURE0 0
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137 #if !defined(GL_VERSION_1_3)
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138 #ifdef GL_ARB_texture_cube_map
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139 #define GL_TEXTURE_CUBE_MAP GL_TEXTURE_CUBE_MAP_ARB
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140 #define GL_TEXTURE_CUBE_MAP_POSITIVE_X GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
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141 #define GL_TEXTURE_CUBE_MAP_NEGATIVE_X GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB
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142 #define GL_TEXTURE_CUBE_MAP_POSITIVE_Y GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB
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143 #define GL_TEXTURE_CUBE_MAP_NEGATIVE_Y GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB
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144 #define GL_TEXTURE_CUBE_MAP_POSITIVE_Z GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB
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145 #define GL_TEXTURE_CUBE_MAP_NEGATIVE_Z GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
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146 #elif defined(GL_EXT_texture_cube_map)
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147 #define GL_TEXTURE_CUBE_MAP GL_TEXTURE_CUBE_MAP_EXT
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148 #define GL_TEXTURE_CUBE_MAP_POSITIVE_X GL_TEXTURE_CUBE_MAP_POSITIVE_X_EXT
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149 #define GL_TEXTURE_CUBE_MAP_NEGATIVE_X GL_TEXTURE_CUBE_MAP_NEGATIVE_X_EXT
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150 #define GL_TEXTURE_CUBE_MAP_POSITIVE_Y GL_TEXTURE_CUBE_MAP_POSITIVE_Y_EXT
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151 #define GL_TEXTURE_CUBE_MAP_NEGATIVE_Y GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_EXT
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152 #define GL_TEXTURE_CUBE_MAP_POSITIVE_Z GL_TEXTURE_CUBE_MAP_POSITIVE_Z_EXT
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153 #define GL_TEXTURE_CUBE_MAP_NEGATIVE_Z GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_EXT
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155 #define GL_TEXTURE_CUBE_MAP 0
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156 #define GL_TEXTURE_CUBE_MAP_POSITIVE_X 0
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157 #define GL_TEXTURE_CUBE_MAP_NEGATIVE_X 0
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158 #define GL_TEXTURE_CUBE_MAP_POSITIVE_Y 0
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159 #define GL_TEXTURE_CUBE_MAP_NEGATIVE_Y 0
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160 #define GL_TEXTURE_CUBE_MAP_POSITIVE_Z 0
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161 #define GL_TEXTURE_CUBE_MAP_NEGATIVE_Z 0
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165 // To check if this header is in the current compile unit (different GL driver implementations use different "GLCommon" headers in Irrlicht)
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166 #define IRR_COMPILE_GL_COMMON
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173 // Forward declarations.
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175 class COpenGLCoreFeature;
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177 template <class TOpenGLDriver>
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178 class COpenGLCoreTexture;
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180 template <class TOpenGLDriver, class TOpenGLTexture>
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181 class COpenGLCoreRenderTarget;
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183 template <class TOpenGLDriver, class TOpenGLTexture>
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184 class COpenGLCoreCacheHandler;
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186 class COpenGLDriver;
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187 typedef COpenGLCoreTexture<COpenGLDriver> COpenGLTexture;
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188 typedef COpenGLCoreRenderTarget<COpenGLDriver, COpenGLTexture> COpenGLRenderTarget;
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189 class COpenGLCacheHandler;
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