Crazy Eddie's GUI System
0.8.4
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00001 /*********************************************************************** 00002 created: Sat Jan 31 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 _CEGUIOpenGLGLXPBTextureTarget_h_ 00028 #define _CEGUIOpenGLGLXPBTextureTarget_h_ 00029 00030 #include <GL/glxew.h> 00031 00032 #include "CEGUI/RendererModules/OpenGL/TextureTarget.h" 00033 00034 // Start of CEGUI namespace section 00035 namespace CEGUI 00036 { 00037 class OpenGLTexture; 00038 00044 class OPENGL_GUIRENDERER_API OpenGLGLXPBTextureTarget : public OpenGLTextureTarget 00045 { 00046 public: 00047 OpenGLGLXPBTextureTarget(OpenGLRendererBase& owner); 00048 virtual ~OpenGLGLXPBTextureTarget(); 00049 00050 // overrides from OpenGLRenderTarget 00051 void activate(); 00052 void deactivate(); 00053 // implementation of TextureTarget interface 00054 void clear(); 00055 void declareRenderSize(const Sizef& sz); 00056 // specialise functions from OpenGLTextureTarget 00057 void grabTexture(); 00058 void restoreTexture(); 00059 00060 protected: 00062 static const float DEFAULT_SIZE; 00063 00065 void initialisePBuffer(); 00066 00068 void enablePBuffer() const; 00069 00071 void disablePBuffer() const; 00072 00074 void initialiseTexture(); 00075 00077 void selectFBConfig(); 00078 00080 void createContext(); 00081 00083 Display* d_dpy; 00085 GLXFBConfig d_fbconfig; 00087 GLXContext d_context; 00089 GLXPbuffer d_pbuffer; 00091 mutable Display* d_prevDisplay; 00093 mutable GLXDrawable d_prevDrawable; 00095 mutable GLXContext d_prevContext; 00096 }; 00097 00098 } // End of CEGUI namespace section 00099 00100 #endif // end of guard _CEGUIOpenGLGLXPBTextureTarget_h_