00001 /*********************************************************************** 00002 filename: CEGUIOpenGLWGLPBTextureTarget.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 _CEGUIOpenGLWGLPBTextureTarget_h_ 00029 #define _CEGUIOpenGLWGLPBTextureTarget_h_ 00030 00031 //#include <windows.h> 00032 #include <GL/glew.h> 00033 #include <GL/wglew.h> 00034 00035 #include "CEGUIOpenGLTextureTarget.h" 00036 #include "../../CEGUIRect.h" 00037 00038 #if defined(_MSC_VER) 00039 # pragma warning(push) 00040 # pragma warning(disable : 4250) 00041 #endif 00042 00043 // Start of CEGUI namespace section 00044 namespace CEGUI 00045 { 00046 class OpenGLTexture; 00047 00053 class OPENGL_GUIRENDERER_API OpenGLWGLPBTextureTarget : public OpenGLTextureTarget 00054 { 00055 public: 00056 OpenGLWGLPBTextureTarget(OpenGLRenderer& owner); 00057 virtual ~OpenGLWGLPBTextureTarget(); 00058 00059 // overrides from OpenGLRenderTarget 00060 void activate(); 00061 void deactivate(); 00062 // implementation of TextureTarget interface 00063 void clear(); 00064 void declareRenderSize(const Size& sz); 00065 // specialise functions from OpenGLTextureTarget 00066 void grabTexture(); 00067 void restoreTexture(); 00068 00069 protected: 00071 static const float DEFAULT_SIZE; 00072 00074 void initialisePBuffer(); 00075 00077 void releasePBuffer(); 00078 00080 void enablePBuffer() const; 00081 00083 void disablePBuffer() const; 00084 00086 void initialiseTexture(); 00087 00089 int d_pixfmt; 00091 HPBUFFERARB d_pbuffer; 00093 HGLRC d_context; 00095 HDC d_hdc; 00097 mutable HGLRC d_prevContext; 00099 mutable HDC d_prevDC; 00100 }; 00101 00102 } // End of CEGUI namespace section 00103 00104 #if defined(_MSC_VER) 00105 # pragma warning(pop) 00106 #endif 00107 00108 #endif // end of guard _CEGUIOpenGLWGLPBTextureTarget_h_