Crazy Eddies GUI System 0.7.6
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00001 /*********************************************************************** 00002 filename: CEGUIOpenGLApplePBTextureTarget.h 00003 created: Sun Feb 1 2009 00004 author: Paul D Turner 00005 *************************************************************************/ 00006 /*************************************************************************** 00007 * Copyright (C) 2004 - 2009 Paul D Turner & The CEGUI Development Team 00008 * 00009 * Permission is hereby granted, free of charge, to any person obtaining 00010 * a copy of this software and associated documentation files (the 00011 * "Software"), to deal in the Software without restriction, including 00012 * without limitation the rights to use, copy, modify, merge, publish, 00013 * distribute, sublicense, and/or sell copies of the Software, and to 00014 * permit persons to whom the Software is furnished to do so, subject to 00015 * the following conditions: 00016 * 00017 * The above copyright notice and this permission notice shall be 00018 * included in all copies or substantial portions of the Software. 00019 * 00020 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 00021 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 00022 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 00023 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR 00024 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 00025 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 00026 * OTHER DEALINGS IN THE SOFTWARE. 00027 ***************************************************************************/ 00028 #ifndef _CEGUIOpenGLApplePBTextureTarget_h_ 00029 #define _CEGUIOpenGLApplePBTextureTarget_h_ 00030 00031 #include <OpenGL/OpenGL.h> 00032 #include "CEGUIOpenGLTextureTarget.h" 00033 #include "../../CEGUIRect.h" 00034 00035 // Start of CEGUI namespace section 00036 namespace CEGUI 00037 { 00038 class OpenGLTexture; 00039 00045 class OpenGLApplePBTextureTarget : public OpenGLTextureTarget 00046 { 00047 public: 00048 OpenGLApplePBTextureTarget(OpenGLRenderer& owner); 00049 virtual ~OpenGLApplePBTextureTarget(); 00050 00051 // overrides from OpenGLRenderTarget 00052 void activate(); 00053 void deactivate(); 00054 // implementation of TextureTarget interface 00055 void clear(); 00056 void declareRenderSize(const Size& sz); 00057 // specialise functions from OpenGLTextureTarget 00058 void grabTexture(); 00059 void restoreTexture(); 00060 00061 protected: 00063 static const float DEFAULT_SIZE; 00064 00066 void initialiseTexture(); 00067 00069 void enablePBuffer() const; 00070 00072 void disablePBuffer() const; 00073 00075 CGLPBufferObj d_pbuffer; 00077 CGLContextObj d_context; 00079 GLint d_screen; 00081 mutable CGLContextObj d_prevContext; 00082 }; 00083 00084 } // End of CEGUI namespace section 00085 00086 #endif // end of guard _CEGUIOpenGLApplePBTextureTarget_h_