OgreGLESPrerequisites.h
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    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
This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.
Last modified Sun Sep 2 2012 07:27:21