Crazy Eddie's GUI System
0.8.4
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00001 /*********************************************************************** 00002 created: Sun Feb 1 2009 00003 author: Paul D Turner 00004 *************************************************************************/ 00005 /*************************************************************************** 00006 * Copyright (C) 2004 - 2011 Paul D Turner & The CEGUI Development Team 00007 * 00008 * Permission is hereby granted, free of charge, to any person obtaining 00009 * a copy of this software and associated documentation files (the 00010 * "Software"), to deal in the Software without restriction, including 00011 * without limitation the rights to use, copy, modify, merge, publish, 00012 * distribute, sublicense, and/or sell copies of the Software, and to 00013 * permit persons to whom the Software is furnished to do so, subject to 00014 * the following conditions: 00015 * 00016 * The above copyright notice and this permission notice shall be 00017 * included in all copies or substantial portions of the Software. 00018 * 00019 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 00020 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 00021 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 00022 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR 00023 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 00024 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 00025 * OTHER DEALINGS IN THE SOFTWARE. 00026 ***************************************************************************/ 00027 #ifndef _CEGUIOpenGLApplePBTextureTarget_h_ 00028 #define _CEGUIOpenGLApplePBTextureTarget_h_ 00029 00030 #include <OpenGL/OpenGL.h> 00031 #include "CEGUI/RendererModules/OpenGL/TextureTarget.h" 00032 00033 // Start of CEGUI namespace section 00034 namespace CEGUI 00035 { 00036 class OpenGLTexture; 00037 00043 class OpenGLApplePBTextureTarget : public OpenGLTextureTarget 00044 { 00045 public: 00046 OpenGLApplePBTextureTarget(OpenGLRendererBase& owner); 00047 virtual ~OpenGLApplePBTextureTarget(); 00048 00049 // overrides from OpenGLRenderTarget 00050 void activate(); 00051 void deactivate(); 00052 // implementation of TextureTarget interface 00053 void clear(); 00054 void declareRenderSize(const Sizef& sz); 00055 // specialise functions from OpenGLTextureTarget 00056 void grabTexture(); 00057 void restoreTexture(); 00058 00059 protected: 00061 static const float DEFAULT_SIZE; 00062 00064 void initialiseTexture(); 00065 00067 void enablePBuffer() const; 00068 00070 void disablePBuffer() const; 00071 00073 CGLPBufferObj d_pbuffer; 00075 CGLContextObj d_context; 00077 GLint d_screen; 00079 mutable CGLContextObj d_prevContext; 00080 }; 00081 00082 } // End of CEGUI namespace section 00083 00084 #endif // end of guard _CEGUIOpenGLApplePBTextureTarget_h_