00001 /* 00002 ----------------------------------------------------------------------------- 00003 This source file is part of OGRE 00004 (Object-oriented Graphics Rendering Engine) 00005 For the latest info, see http://www.ogre3d.org/ 00006 00007 Copyright (c) 2008 Renato Araujo Oliveira Filho <renatox@gmail.com> 00008 Copyright (c) 2000-2012 Torus Knot Software Ltd 00009 00010 Permission is hereby granted, free of charge, to any person obtaining a copy 00011 of this software and associated documentation files (the "Software"), to deal 00012 in the Software without restriction, including without limitation the rights 00013 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 00014 copies of the Software, and to permit persons to whom the Software is 00015 furnished to do so, subject to the following conditions: 00016 00017 The above copyright notice and this permission notice shall be included in 00018 all copies or substantial portions of the Software. 00019 00020 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 00021 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 00022 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 00023 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 00024 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 00025 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 00026 THE SOFTWARE. 00027 ----------------------------------------------------------------------------- 00028 */ 00029 00030 #ifndef __GLESPrerequisites_H__ 00031 #define __GLESPrerequisites_H__ 00032 00033 #include "OgrePrerequisites.h" 00034 #include "OgreMath.h" 00035 00036 #if (OGRE_PLATFORM == OGRE_PLATFORM_SYMBIAN) 00037 # undef _WIN32 00038 #endif 00039 00040 #if (OGRE_PLATFORM == OGRE_PLATFORM_WIN32) 00041 # if !defined( __MINGW32__ ) 00042 # ifndef WIN32_LEAN_AND_MEAN 00043 # define WIN32_LEAN_AND_MEAN 1 00044 # endif 00045 # ifndef NOMINMAX 00046 # define NOMINMAX // required to stop windows.h messing up std::min 00047 # endif 00048 # endif 00049 #endif 00050 00051 #if (OGRE_PLATFORM == OGRE_PLATFORM_APPLE_IOS) 00052 # include <OpenGLES/ES1/gl.h> 00053 # include <OpenGLES/ES1/glext.h> 00054 # ifdef __OBJC__ 00055 # include <OpenGLES/EAGL.h> 00056 # endif 00057 # ifndef GL_GLEXT_PROTOTYPES 00058 # define GL_GLEXT_PROTOTYPES 00059 # endif 00060 #else 00061 # include <GLES/gl.h> 00062 # include <GLES/glext.h> 00063 # include <GLES/egl.h> 00064 00065 // If we are going to use the PVRTC_CODEC make sure we 00066 // setup the needed constants 00067 #if (OGRE_NO_PVRTC_CODEC == 0) 00068 # ifndef GL_IMG_texture_compression_pvrtc 00069 # define GL_IMG_texture_compression_pvrtc 1 00070 # define GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG 0x8C00 00071 # define GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG 0x8C01 00072 # define GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG 0x8C02 00073 # define GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG 0x8C03 00074 # endif 00075 #endif 00076 00077 // Function pointers for FBO extension methods 00078 // Declare them here since we don't have GLEW to do it for us 00079 00080 # ifndef GL_GLEXT_PROTOTYPES 00081 extern PFNGLISRENDERBUFFEROESPROC glIsRenderbufferOES; 00082 extern PFNGLBINDRENDERBUFFEROESPROC glBindRenderbufferOES; 00083 extern PFNGLDELETERENDERBUFFERSOESPROC glDeleteRenderbuffersOES; 00084 extern PFNGLGENRENDERBUFFERSOESPROC glGenRenderbuffersOES; 00085 extern PFNGLRENDERBUFFERSTORAGEOESPROC glRenderbufferStorageOES; 00086 extern PFNGLGETRENDERBUFFERPARAMETERIVOESPROC glGetRenderbufferParameterivOES; 00087 extern PFNGLISFRAMEBUFFEROESPROC glIsFramebufferOES; 00088 extern PFNGLBINDFRAMEBUFFEROESPROC glBindFramebufferOES; 00089 extern PFNGLDELETEFRAMEBUFFERSOESPROC glDeleteFramebuffersOES; 00090 extern PFNGLGENFRAMEBUFFERSOESPROC glGenFramebuffersOES; 00091 extern PFNGLCHECKFRAMEBUFFERSTATUSOESPROC glCheckFramebufferStatusOES; 00092 extern PFNGLFRAMEBUFFERRENDERBUFFEROESPROC glFramebufferRenderbufferOES; 00093 extern PFNGLFRAMEBUFFERTEXTURE2DOESPROC glFramebufferTexture2DOES; 00094 extern PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVOESPROC glGetFramebufferAttachmentParameterivOES; 00095 extern PFNGLGENERATEMIPMAPOESPROC glGenerateMipmapOES; 00096 extern PFNGLBLENDEQUATIONOESPROC glBlendEquationOES; 00097 extern PFNGLBLENDFUNCSEPARATEOESPROC glBlendFuncSeparateOES; 00098 extern PFNGLBLENDEQUATIONSEPARATEOESPROC glBlendEquationSeparateOES; 00099 extern PFNGLMAPBUFFEROESPROC glMapBufferOES; 00100 extern PFNGLUNMAPBUFFEROESPROC glUnmapBufferOES; 00101 # endif 00102 00103 #endif 00104 00105 // Define GL_NONE for convenience 00106 #define GL_NONE 0 00107 00108 #ifndef GL_BGRA 00109 # define GL_BGRA 0x80E1 00110 #endif 00111 00112 #if (OGRE_PLATFORM == OGRE_PLATFORM_WIN32) && !defined(__MINGW32__) && !defined(OGRE_STATIC_LIB) 00113 # ifdef OGRE_GLESPLUGIN_EXPORTS 00114 # define _OgreGLESExport __declspec(dllexport) 00115 # else 00116 # if defined( __MINGW32__ ) 00117 # define _OgreGLESExport 00118 # else 00119 # define _OgreGLESExport __declspec(dllimport) 00120 # endif 00121 # endif 00122 #elif defined ( OGRE_GCC_VISIBILITY ) 00123 # define _OgreGLESExport __attribute__ ((visibility("default"))) 00124 #else 00125 # define _OgreGLESExport 00126 #endif 00127 00128 #if OGRE_COMPILER == OGRE_COMPILER_MSVC 00129 #define __PRETTY_FUNCTION__ __FUNCTION__ 00130 #endif 00131 00132 00133 #define DEBUG_(text) \ 00134 {\ 00135 fprintf(stderr, "%s:%d: %s\n", __FUNCTION__, __LINE__, text); \ 00136 } 00137 00138 #define ENABLE_GL_CHECK 0 00139 #if ENABLE_GL_CHECK 00140 #define GL_CHECK_ERROR \ 00141 { \ 00142 int e = glGetError(); \ 00143 if (e != 0) \ 00144 { \ 00145 fprintf(stderr, "OpenGL error 0x%04X in %s at line %i in %s\n", e, __PRETTY_FUNCTION__, __LINE__, __FILE__); \ 00146 } \ 00147 } 00148 #else 00149 #define GL_CHECK_ERROR {} 00150 #endif 00151 00152 00153 #if ENABLE_GL_CHECK 00154 #define EGL_CHECK_ERROR \ 00155 { \ 00156 int e = eglGetError(); \ 00157 if ((e != 0) && (e != EGL_SUCCESS))\ 00158 { \ 00159 fprintf(stderr, "OpenGL error 0x%04X in %s at line %i in %s\n", e, __PRETTY_FUNCTION__, __LINE__, __FILE__); \ 00160 assert(false); \ 00161 } \ 00162 } 00163 #else 00164 #define EGL_CHECK_ERROR {} 00165 #endif 00166 00167 #endif
Copyright © 2012 Torus Knot Software Ltd
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Last modified Fri May 25 2012 21:48:50