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 "glext.h"\r
  21         #endif\r
  22         #include "wglext.h"\r
  23 \r
  24         #ifdef _MSC_VER\r
  25                 #pragma comment(lib, "OpenGL32.lib")\r
  26         #endif\r
  27 \r
  28 #elif defined(_IRR_COMPILE_WITH_OSX_DEVICE_)\r
  29         #if defined(_IRR_OPENGL_USE_EXTPOINTER_)\r
  30                 #define GL_GLEXT_LEGACY 1\r
  31         #endif\r
  32         #include <OpenGL/gl.h>\r
  33         #if defined(_IRR_OPENGL_USE_EXTPOINTER_)\r
  34                 #include "glext.h"\r
  35         #endif\r
  36 #elif defined(_IRR_COMPILE_WITH_SDL_DEVICE_) && !defined(_IRR_COMPILE_WITH_X11_DEVICE_)\r
  37         #if defined(_IRR_OPENGL_USE_EXTPOINTER_)\r
  38                 #define GL_GLEXT_LEGACY 1\r
  39                 #define GLX_GLXEXT_LEGACY 1\r
  40         #else\r
  41                 #define GL_GLEXT_PROTOTYPES 1\r
  42                 #define GLX_GLXEXT_PROTOTYPES 1\r
  43         #endif\r
  44         #define NO_SDL_GLEXT\r
  45         #include <SDL/SDL_video.h>\r
  46         #include <SDL/SDL_opengl.h>\r
  47         #include "glext.h"\r
  48 #else\r
  49         #if defined(_IRR_OPENGL_USE_EXTPOINTER_)\r
  50                 #define GL_GLEXT_LEGACY 1\r
  51                 #define GLX_GLXEXT_LEGACY 1\r
  52         #else\r
  53                 #define GL_GLEXT_PROTOTYPES 1\r
  54                 #define GLX_GLXEXT_PROTOTYPES 1\r
  55         #endif\r
  56         #include <GL/gl.h>\r
  57         #include <GL/glx.h>\r
  58         #if defined(_IRR_OPENGL_USE_EXTPOINTER_)\r
  59         #include "glext.h"\r
  60         #undef GLX_ARB_get_proc_address\r
  61         #include "glxext.h"\r
  62         #endif\r
  63 #endif\r
  64 \r
  65 #ifndef GL_ARB_shader_objects\r
  66 typedef char GLcharARB;\r
  67 typedef unsigned int GLhandleARB;\r
  68 #endif\r
  69 \r
  70 #ifndef GL_VERSION_2_0\r
  71 typedef char GLchar;\r
  72 #endif\r
  73 \r
  74 // Blending definitions.\r
  75 \r
  76 #if !defined(GL_VERSION_1_4)\r
  77 #if defined(GL_EXT_blend_subtract) || defined(GL_EXT_blend_minmax) || defined(GL_EXT_blend_logic_op)\r
  78 #define GL_FUNC_ADD GL_FUNC_ADD_EXT\r
  79 #else\r
  80 #define GL_FUNC_ADD 0\r
  81 #endif\r
  82 #endif\r
  83 \r
  84 // FBO definitions.\r
  85 \r
  86 #if !defined(GL_VERSION_3_0) && !defined(GL_ARB_framebuffer_object)\r
  87 #ifdef GL_EXT_framebuffer_object\r
  88 #define GL_FRAMEBUFFER GL_FRAMEBUFFER_EXT\r
  89 #define GL_COLOR_ATTACHMENT0 GL_COLOR_ATTACHMENT0_EXT\r
  90 #define GL_DEPTH_ATTACHMENT GL_DEPTH_ATTACHMENT_EXT\r
  91 #define GL_STENCIL_ATTACHMENT GL_STENCIL_ATTACHMENT_EXT\r
  92 #define GL_FRAMEBUFFER_COMPLETE GL_FRAMEBUFFER_COMPLETE_EXT\r
  93 #define GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT\r
  94 #define GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER_EXT\r
  95 #define GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT\r
  96 #define GL_FRAMEBUFFER_INCOMPLETE_FORMATS GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT\r
  97 #define GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT\r
  98 #define GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT\r
  99 #define GL_FRAMEBUFFER_UNSUPPORTED GL_FRAMEBUFFER_UNSUPPORTED_EXT\r
 100 #else\r
 101 #define GL_FRAMEBUFFER 0\r
 102 #define GL_COLOR_ATTACHMENT0 0\r
 103 #define GL_DEPTH_ATTACHMENT 0\r
 104 #define GL_STENCIL_ATTACHMENT 0\r
 105 #define GL_FRAMEBUFFER_COMPLETE 0\r
 106 #define GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER 1\r
 107 #define GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER 2\r
 108 #define GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT 3\r
 109 #define GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT 4\r
 110 #define GL_FRAMEBUFFER_UNSUPPORTED 5\r
 111 #endif\r
 112 #endif\r
 113 \r
 114 #ifdef GL_EXT_framebuffer_object\r
 115 #define GL_FRAMEBUFFER_INCOMPLETE_FORMATS GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT\r
 116 #define GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT\r
 117 #else\r
 118 #define GL_FRAMEBUFFER_INCOMPLETE_FORMATS 6\r
 119 #define GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS 7\r
 120 #endif\r
 121 \r
 122 // MipMaps definitions.\r
 123 \r
 124 #if !defined(GL_VERSION_1_4)\r
 125 #ifdef GL_SGIS_generate_mipmap\r
 126 #define GL_GENERATE_MIPMAP GL_GENERATE_MIPMAP_SGIS\r
 127 #define GL_GENERATE_MIPMAP_HINT GL_GENERATE_MIPMAP_HINT_SGIS\r
 128 #else\r
 129 #define GL_GENERATE_MIPMAP 0\r
 130 #define GL_GENERATE_MIPMAP_HINT 0\r
 131 #endif\r
 132 #endif\r
 133 \r
 134 // Texture definitions.\r
 135 \r
 136 #if !defined(GL_VERSION_1_3)\r
 137 #ifdef GL_ARB_multitexture\r
 138 #define GL_TEXTURE0 GL_TEXTURE0_ARB\r
 139 #else\r
 140 #define GL_TEXTURE0 0\r
 141 #endif\r
 142 #endif\r
 143 \r
 144 #if !defined(GL_VERSION_1_3)\r
 145 #ifdef GL_ARB_texture_cube_map\r
 146 #define GL_TEXTURE_CUBE_MAP GL_TEXTURE_CUBE_MAP_ARB\r
 147 #define GL_TEXTURE_CUBE_MAP_POSITIVE_X GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB\r
 148 #define GL_TEXTURE_CUBE_MAP_NEGATIVE_X GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB\r
 149 #define GL_TEXTURE_CUBE_MAP_POSITIVE_Y GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB\r
 150 #define GL_TEXTURE_CUBE_MAP_NEGATIVE_Y GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB\r
 151 #define GL_TEXTURE_CUBE_MAP_POSITIVE_Z GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB\r
 152 #define GL_TEXTURE_CUBE_MAP_NEGATIVE_Z GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB\r
 153 #elif defined(GL_EXT_texture_cube_map)\r
 154 #define GL_TEXTURE_CUBE_MAP GL_TEXTURE_CUBE_MAP_EXT\r
 155 #define GL_TEXTURE_CUBE_MAP_POSITIVE_X GL_TEXTURE_CUBE_MAP_POSITIVE_X_EXT\r
 156 #define GL_TEXTURE_CUBE_MAP_NEGATIVE_X GL_TEXTURE_CUBE_MAP_NEGATIVE_X_EXT\r
 157 #define GL_TEXTURE_CUBE_MAP_POSITIVE_Y GL_TEXTURE_CUBE_MAP_POSITIVE_Y_EXT\r
 158 #define GL_TEXTURE_CUBE_MAP_NEGATIVE_Y GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_EXT\r
 159 #define GL_TEXTURE_CUBE_MAP_POSITIVE_Z GL_TEXTURE_CUBE_MAP_POSITIVE_Z_EXT\r
 160 #define GL_TEXTURE_CUBE_MAP_NEGATIVE_Z GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_EXT\r
 161 #else\r
 162 #define GL_TEXTURE_CUBE_MAP 0\r
 163 #define GL_TEXTURE_CUBE_MAP_POSITIVE_X 0\r
 164 #define GL_TEXTURE_CUBE_MAP_NEGATIVE_X 0\r
 165 #define GL_TEXTURE_CUBE_MAP_POSITIVE_Y 0\r
 166 #define GL_TEXTURE_CUBE_MAP_NEGATIVE_Y 0\r
 167 #define GL_TEXTURE_CUBE_MAP_POSITIVE_Z 0\r
 168 #define GL_TEXTURE_CUBE_MAP_NEGATIVE_Z 0\r
 169 #endif\r
 170 #endif\r
 171 \r
 172 // To check if this header is in the current compile unit (different GL driver implementations use different "GLCommon" headers in Irrlicht)\r
 173 #define IRR_COMPILE_GL_COMMON\r
 174 \r
 175 namespace irr\r
 176 {\r
 177 namespace video\r
 178 {\r
 179 \r
 180         // Forward declarations.\r
 181 \r
 182         class COpenGLCoreFeature;\r
 183 \r
 184         template <class TOpenGLDriver>\r
 185         class COpenGLCoreTexture;\r
 186 \r
 187         template <class TOpenGLDriver, class TOpenGLTexture>\r
 188         class COpenGLCoreRenderTarget;\r
 189 \r
 190         template <class TOpenGLDriver, class TOpenGLTexture>\r
 191         class COpenGLCoreCacheHandler;\r
 192 \r
 193         class COpenGLDriver;\r
 194         typedef COpenGLCoreTexture<COpenGLDriver> COpenGLTexture;\r
 195         typedef COpenGLCoreRenderTarget<COpenGLDriver, COpenGLTexture> COpenGLRenderTarget;\r
 196         class COpenGLCacheHandler;\r
 197 \r
 198 }\r
 199 }\r
 200 \r
 201 #endif\r
 202 #endif\r