source/Irrlicht/COpenGLCommon.h

   1 // Copyright (C) 2015 Patryk Nadrowski\r
   2 // This file is part of the "Irrlicht Engine".\r
   3 // For conditions of distribution and use, see copyright notice in irrlicht.h\r
   4 \r
   5 #ifndef __C_OPENGL_COMMON_H_INCLUDED__\r
   6 #define __C_OPENGL_COMMON_H_INCLUDED__\r
   7 \r
   8 #include "IrrCompileConfig.h"\r
   9 \r
  10 #ifdef _IRR_COMPILE_WITH_OPENGL_\r
  11 \r
  12 #if defined(_IRR_WINDOWS_API_)\r
  13         #define WIN32_LEAN_AND_MEAN\r
  14         #include <windows.h>\r
  15         #if defined(_IRR_OPENGL_USE_EXTPOINTER_)\r
  16                 #define GL_GLEXT_LEGACY 1\r
  17         #endif\r
  18         #include <GL/gl.h>\r
  19         #if defined(_IRR_OPENGL_USE_EXTPOINTER_)\r
  20                 #include <GL/glext.h>\r
  21         #endif\r
  22         #include <GL/wglext.h>\r
  23 #elif defined(_IRR_COMPILE_WITH_OSX_DEVICE_)\r
  24         #if defined(_IRR_OPENGL_USE_EXTPOINTER_)\r
  25                 #define GL_GLEXT_LEGACY 1\r
  26         #endif\r
  27         #include <OpenGL/gl.h>\r
  28         #if defined(_IRR_OPENGL_USE_EXTPOINTER_)\r
  29                 #include <GL/glext.h>\r
  30         #endif\r
  31 #elif defined(_IRR_COMPILE_WITH_SDL_DEVICE_) && !defined(_IRR_COMPILE_WITH_X11_DEVICE_)\r
  32         #if defined(_IRR_OPENGL_USE_EXTPOINTER_)\r
  33                 #define GL_GLEXT_LEGACY 1\r
  34         #else\r
  35                 #define GL_GLEXT_PROTOTYPES 1\r
  36         #endif\r
  37         #include <SDL_video.h>\r
  38         #include <SDL_opengl.h>\r
  39         #if defined(_IRR_OPENGL_USE_EXTPOINTER_)\r
  40                 // The SDL2 header doesn't cut it for extensions\r
  41                 #include <GL/glext.h>\r
  42         #endif\r
  43 #else\r
  44         #if defined(_IRR_OPENGL_USE_EXTPOINTER_)\r
  45                 #define GL_GLEXT_LEGACY 1\r
  46                 #define GLX_GLXEXT_LEGACY 1\r
  47         #else\r
  48                 #define GL_GLEXT_PROTOTYPES 1\r
  49                 #define GLX_GLXEXT_PROTOTYPES 1\r
  50         #endif\r
  51         #include <GL/gl.h>\r
  52         #include <GL/glx.h>\r
  53         #if defined(_IRR_OPENGL_USE_EXTPOINTER_)\r
  54         #include <GL/glext.h>\r
  55         #include <GL/glxext.h>\r
  56         #endif\r
  57 #endif\r
  58 \r
  59 #ifndef GL_ARB_shader_objects\r
  60 typedef char GLcharARB;\r
  61 typedef unsigned int GLhandleARB;\r
  62 #endif\r
  63 \r
  64 #ifndef GL_VERSION_2_0\r
  65 typedef char GLchar;\r
  66 #endif\r
  67 \r
  68 // Blending definitions.\r
  69 \r
  70 #if !defined(GL_VERSION_1_4)\r
  71 #if defined(GL_EXT_blend_subtract) || defined(GL_EXT_blend_minmax) || defined(GL_EXT_blend_logic_op)\r
  72 #define GL_FUNC_ADD GL_FUNC_ADD_EXT\r
  73 #else\r
  74 #define GL_FUNC_ADD 0\r
  75 #endif\r
  76 #endif\r
  77 \r
  78 // FBO definitions.\r
  79 \r
  80 #if !defined(GL_VERSION_3_0) && !defined(GL_ARB_framebuffer_object)\r
  81 #ifdef GL_EXT_framebuffer_object\r
  82 #define GL_FRAMEBUFFER GL_FRAMEBUFFER_EXT\r
  83 #define GL_COLOR_ATTACHMENT0 GL_COLOR_ATTACHMENT0_EXT\r
  84 #define GL_DEPTH_ATTACHMENT GL_DEPTH_ATTACHMENT_EXT\r
  85 #define GL_STENCIL_ATTACHMENT GL_STENCIL_ATTACHMENT_EXT\r
  86 #define GL_FRAMEBUFFER_COMPLETE GL_FRAMEBUFFER_COMPLETE_EXT\r
  87 #define GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT\r
  88 #define GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER_EXT\r
  89 #define GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT\r
  90 #define GL_FRAMEBUFFER_INCOMPLETE_FORMATS GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT\r
  91 #define GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT\r
  92 #define GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT\r
  93 #define GL_FRAMEBUFFER_UNSUPPORTED GL_FRAMEBUFFER_UNSUPPORTED_EXT\r
  94 #else\r
  95 #define GL_FRAMEBUFFER 0\r
  96 #define GL_COLOR_ATTACHMENT0 0\r
  97 #define GL_DEPTH_ATTACHMENT 0\r
  98 #define GL_STENCIL_ATTACHMENT 0\r
  99 #define GL_FRAMEBUFFER_COMPLETE 0\r
 100 #define GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER 1\r
 101 #define GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER 2\r
 102 #define GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT 3\r
 103 #define GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT 4\r
 104 #define GL_FRAMEBUFFER_UNSUPPORTED 5\r
 105 #endif\r
 106 #endif\r
 107 \r
 108 #ifdef GL_EXT_framebuffer_object\r
 109 #define GL_FRAMEBUFFER_INCOMPLETE_FORMATS GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT\r
 110 #define GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT\r
 111 #else\r
 112 #define GL_FRAMEBUFFER_INCOMPLETE_FORMATS 6\r
 113 #define GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS 7\r
 114 #endif\r
 115 \r
 116 // MipMaps definitions.\r
 117 \r
 118 #if !defined(GL_VERSION_1_4)\r
 119 #ifdef GL_SGIS_generate_mipmap\r
 120 #define GL_GENERATE_MIPMAP GL_GENERATE_MIPMAP_SGIS\r
 121 #define GL_GENERATE_MIPMAP_HINT GL_GENERATE_MIPMAP_HINT_SGIS\r
 122 #else\r
 123 #define GL_GENERATE_MIPMAP 0\r
 124 #define GL_GENERATE_MIPMAP_HINT 0\r
 125 #endif\r
 126 #endif\r
 127 \r
 128 // Texture definitions.\r
 129 \r
 130 #if !defined(GL_VERSION_1_3)\r
 131 #ifdef GL_ARB_multitexture\r
 132 #define GL_TEXTURE0 GL_TEXTURE0_ARB\r
 133 #else\r
 134 #define GL_TEXTURE0 0\r
 135 #endif\r
 136 #endif\r
 137 \r
 138 #if !defined(GL_VERSION_1_3)\r
 139 #ifdef GL_ARB_texture_cube_map\r
 140 #define GL_TEXTURE_CUBE_MAP GL_TEXTURE_CUBE_MAP_ARB\r
 141 #define GL_TEXTURE_CUBE_MAP_POSITIVE_X GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB\r
 142 #define GL_TEXTURE_CUBE_MAP_NEGATIVE_X GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB\r
 143 #define GL_TEXTURE_CUBE_MAP_POSITIVE_Y GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB\r
 144 #define GL_TEXTURE_CUBE_MAP_NEGATIVE_Y GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB\r
 145 #define GL_TEXTURE_CUBE_MAP_POSITIVE_Z GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB\r
 146 #define GL_TEXTURE_CUBE_MAP_NEGATIVE_Z GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB\r
 147 #elif defined(GL_EXT_texture_cube_map)\r
 148 #define GL_TEXTURE_CUBE_MAP GL_TEXTURE_CUBE_MAP_EXT\r
 149 #define GL_TEXTURE_CUBE_MAP_POSITIVE_X GL_TEXTURE_CUBE_MAP_POSITIVE_X_EXT\r
 150 #define GL_TEXTURE_CUBE_MAP_NEGATIVE_X GL_TEXTURE_CUBE_MAP_NEGATIVE_X_EXT\r
 151 #define GL_TEXTURE_CUBE_MAP_POSITIVE_Y GL_TEXTURE_CUBE_MAP_POSITIVE_Y_EXT\r
 152 #define GL_TEXTURE_CUBE_MAP_NEGATIVE_Y GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_EXT\r
 153 #define GL_TEXTURE_CUBE_MAP_POSITIVE_Z GL_TEXTURE_CUBE_MAP_POSITIVE_Z_EXT\r
 154 #define GL_TEXTURE_CUBE_MAP_NEGATIVE_Z GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_EXT\r
 155 #else\r
 156 #define GL_TEXTURE_CUBE_MAP 0\r
 157 #define GL_TEXTURE_CUBE_MAP_POSITIVE_X 0\r
 158 #define GL_TEXTURE_CUBE_MAP_NEGATIVE_X 0\r
 159 #define GL_TEXTURE_CUBE_MAP_POSITIVE_Y 0\r
 160 #define GL_TEXTURE_CUBE_MAP_NEGATIVE_Y 0\r
 161 #define GL_TEXTURE_CUBE_MAP_POSITIVE_Z 0\r
 162 #define GL_TEXTURE_CUBE_MAP_NEGATIVE_Z 0\r
 163 #endif\r
 164 #endif\r
 165 \r
 166 // To check if this header is in the current compile unit (different GL driver implementations use different "GLCommon" headers in Irrlicht)\r
 167 #define IRR_COMPILE_GL_COMMON\r
 168 \r
 169 namespace irr\r
 170 {\r
 171 namespace video\r
 172 {\r
 173 \r
 174         // Forward declarations.\r
 175 \r
 176         class COpenGLCoreFeature;\r
 177 \r
 178         template <class TOpenGLDriver>\r
 179         class COpenGLCoreTexture;\r
 180 \r
 181         template <class TOpenGLDriver, class TOpenGLTexture>\r
 182         class COpenGLCoreRenderTarget;\r
 183 \r
 184         template <class TOpenGLDriver, class TOpenGLTexture>\r
 185         class COpenGLCoreCacheHandler;\r
 186 \r
 187         class COpenGLDriver;\r
 188         typedef COpenGLCoreTexture<COpenGLDriver> COpenGLTexture;\r
 189         typedef COpenGLCoreRenderTarget<COpenGLDriver, COpenGLTexture> COpenGLRenderTarget;\r
 190         class COpenGLCacheHandler;\r
 191 \r
 192 }\r
 193 }\r
 194 \r
 195 #endif\r
 196 #endif\r