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_WIN32) 00037 # if !defined( __MINGW32__ ) 00038 # ifndef WIN32_LEAN_AND_MEAN 00039 # define WIN32_LEAN_AND_MEAN 1 00040 # endif 00041 # ifndef NOMINMAX 00042 # define NOMINMAX // required to stop windows.h messing up std::min 00043 # endif 00044 # endif 00045 #endif 00046 00047 #if (OGRE_PLATFORM == OGRE_PLATFORM_APPLE_IOS) 00048 # include <OpenGLES/ES1/gl.h> 00049 # include <OpenGLES/ES1/glext.h> 00050 # ifdef __OBJC__ 00051 # include <OpenGLES/EAGL.h> 00052 # endif 00053 # ifndef GL_GLEXT_PROTOTYPES 00054 # define GL_GLEXT_PROTOTYPES 00055 # endif 00056 #else 00057 # include <GLES/gl.h> 00058 # include <GLES/glext.h> 00059 # include <GLES/egl.h> 00060 00061 // If we are going to use the PVRTC_CODEC make sure we 00062 // setup the needed constants 00063 #if (OGRE_NO_PVRTC_CODEC == 0) 00064 # ifndef GL_IMG_texture_compression_pvrtc 00065 # define GL_IMG_texture_compression_pvrtc 1 00066 # define GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG 0x8C00 00067 # define GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG 0x8C01 00068 # define GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG 0x8C02 00069 # define GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG 0x8C03 00070 # endif 00071 #endif 00072 00073 // Function pointers for FBO extension methods 00074 // Declare them here since we don't have GLEW to do it for us 00075 00076 # ifndef GL_GLEXT_PROTOTYPES 00077 extern PFNGLISRENDERBUFFEROESPROC glIsRenderbufferOES; 00078 extern PFNGLBINDRENDERBUFFEROESPROC glBindRenderbufferOES; 00079 extern PFNGLDELETERENDERBUFFERSOESPROC glDeleteRenderbuffersOES; 00080 extern PFNGLGENRENDERBUFFERSOESPROC glGenRenderbuffersOES; 00081 extern PFNGLRENDERBUFFERSTORAGEOESPROC glRenderbufferStorageOES; 00082 extern PFNGLGETRENDERBUFFERPARAMETERIVOESPROC glGetRenderbufferParameterivOES; 00083 extern PFNGLISFRAMEBUFFEROESPROC glIsFramebufferOES; 00084 extern PFNGLBINDFRAMEBUFFEROESPROC glBindFramebufferOES; 00085 extern PFNGLDELETEFRAMEBUFFERSOESPROC glDeleteFramebuffersOES; 00086 extern PFNGLGENFRAMEBUFFERSOESPROC glGenFramebuffersOES; 00087 extern PFNGLCHECKFRAMEBUFFERSTATUSOESPROC glCheckFramebufferStatusOES; 00088 extern PFNGLFRAMEBUFFERRENDERBUFFEROESPROC glFramebufferRenderbufferOES; 00089 extern PFNGLFRAMEBUFFERTEXTURE2DOESPROC glFramebufferTexture2DOES; 00090 extern PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVOESPROC glGetFramebufferAttachmentParameterivOES; 00091 extern PFNGLGENERATEMIPMAPOESPROC glGenerateMipmapOES; 00092 extern PFNGLBLENDEQUATIONOESPROC glBlendEquationOES; 00093 extern PFNGLBLENDFUNCSEPARATEOESPROC glBlendFuncSeparateOES; 00094 extern PFNGLBLENDEQUATIONSEPARATEOESPROC glBlendEquationSeparateOES; 00095 extern PFNGLMAPBUFFEROESPROC glMapBufferOES; 00096 extern PFNGLUNMAPBUFFEROESPROC glUnmapBufferOES; 00097 # endif 00098 00099 #endif 00100 00101 // Define GL_NONE for convenience 00102 #define GL_NONE 0 00103 00104 #ifndef GL_BGRA 00105 # define GL_BGRA 0x80E1 00106 #endif 00107 00108 #if (OGRE_PLATFORM == OGRE_PLATFORM_WIN32) && !defined(__MINGW32__) && !defined(OGRE_STATIC_LIB) 00109 # ifdef OGRE_GLESPLUGIN_EXPORTS 00110 # define _OgreGLESExport __declspec(dllexport) 00111 # else 00112 # if defined( __MINGW32__ ) 00113 # define _OgreGLESExport 00114 # else 00115 # define _OgreGLESExport __declspec(dllimport) 00116 # endif 00117 # endif 00118 #elif defined ( OGRE_GCC_VISIBILITY ) 00119 # define _OgreGLESExport __attribute__ ((visibility("default"))) 00120 #else 00121 # define _OgreGLESExport 00122 #endif 00123 00124 #if OGRE_COMPILER == OGRE_COMPILER_MSVC 00125 #define __PRETTY_FUNCTION__ __FUNCTION__ 00126 #endif 00127 00128 00129 #define DEBUG_(text) \ 00130 {\ 00131 fprintf(stderr, "%s:%d: %s\n", __FUNCTION__, __LINE__, text); \ 00132 } 00133 00134 #define ENABLE_GL_CHECK 0 00135 #if ENABLE_GL_CHECK 00136 #define GL_CHECK_ERROR \ 00137 { \ 00138 int e = glGetError(); \ 00139 if (e != 0) \ 00140 { \ 00141 fprintf(stderr, "OpenGL error 0x%04X in %s at line %i in %s\n", e, __PRETTY_FUNCTION__, __LINE__, __FILE__); \ 00142 } \ 00143 } 00144 #else 00145 #define GL_CHECK_ERROR {} 00146 #endif 00147 00148 00149 #if ENABLE_GL_CHECK 00150 #define EGL_CHECK_ERROR \ 00151 { \ 00152 int e = eglGetError(); \ 00153 if ((e != 0) && (e != EGL_SUCCESS))\ 00154 { \ 00155 fprintf(stderr, "OpenGL error 0x%04X in %s at line %i in %s\n", e, __PRETTY_FUNCTION__, __LINE__, __FILE__); \ 00156 assert(false); \ 00157 } \ 00158 } 00159 #else 00160 #define EGL_CHECK_ERROR {} 00161 #endif 00162 00163 #endif
Copyright © 2012 Torus Knot Software Ltd
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Last modified Sun Sep 2 2012 07:27:21