Crazy Eddies GUI System 0.7.6
CEGUIOpenGLFBOTextureTarget.h
00001 /***********************************************************************
00002     filename:   CEGUIOpenGLFBOTextureTarget.h
00003     created:    Sun Jan 11 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 _CEGUIOpenGLFBOTextureTarget_h_
00029 #define _CEGUIOpenGLFBOTextureTarget_h_
00030 
00031 #include "CEGUIOpenGLTextureTarget.h"
00032 #include "../../CEGUIRect.h"
00033 #include "CEGUIOpenGL.h"
00034 
00035 #if defined(_MSC_VER)
00036 #   pragma warning(push)
00037 #   pragma warning(disable : 4250)
00038 #endif
00039 
00040 // Start of CEGUI namespace section
00041 namespace CEGUI
00042 {
00043 class OpenGLTexture;
00044 
00046 class OPENGL_GUIRENDERER_API OpenGLFBOTextureTarget : public OpenGLTextureTarget
00047 {
00048 public:
00049     OpenGLFBOTextureTarget(OpenGLRenderer& owner);
00050     virtual ~OpenGLFBOTextureTarget();
00051 
00052     // overrides from OpenGLRenderTarget
00053     void activate();
00054     void deactivate();
00055     // implementation of TextureTarget interface
00056     void clear();
00057     void declareRenderSize(const Size& sz);
00058     // specialise functions from OpenGLTextureTarget
00059     void grabTexture();
00060     void restoreTexture();
00061 
00062 protected:
00064     static const float DEFAULT_SIZE;
00065 
00067     void initialiseRenderTexture();
00069     void resizeRenderTexture();
00070 
00072     GLuint d_frameBuffer;
00073 };
00074 
00075 } // End of  CEGUI namespace section
00076 
00077 #if defined(_MSC_VER)
00078 #   pragma warning(pop)
00079 #endif
00080 
00081 #endif  // end of guard _CEGUIOpenGLFBOTextureTarget_h_