Crazy Eddie's GUI System  0.8.4
FBOTextureTarget.h
00001 /***********************************************************************
00002     created:    Sun Jan 11 2009
00003     author:     Paul D Turner
00004 *************************************************************************/
00005 /***************************************************************************
00006  *   Copyright (C) 2004 - 2009 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 _CEGUIOpenGLESFBOTextureTarget_h_
00028 #define _CEGUIOpenGLESFBOTextureTarget_h_
00029 
00030 #include "CEGUI/RendererModules/OpenGLES/RenderTarget.h"
00031 #include "CEGUI/TextureTarget.h"
00032 #include "CEGUI/Rect.h"
00033 #include "CEGUI/RendererModules/OpenGLES/GLES.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 OpenGLESTexture;
00044 
00046 class OPENGLES_GUIRENDERER_API OpenGLESFBOTextureTarget :
00047     public OpenGLESRenderTarget<TextureTarget>
00048 {
00049 public:
00050     OpenGLESFBOTextureTarget(OpenGLESRenderer& owner);
00051     virtual ~OpenGLESFBOTextureTarget();
00052 
00053     // overrides from OpenGLESRenderTarget
00054     void activate();
00055     void deactivate();
00056     // implementation of RenderTarget interface
00057     bool isImageryCache() const;
00058     // implementation of TextureTarget interface
00059     void clear();
00060     Texture& getTexture() const;
00061     void declareRenderSize(const Sizef& sz);
00062     bool isRenderingInverted() const;
00063 
00065         static void initializedFBOExtension();
00066 
00067 protected:
00069     static const float DEFAULT_SIZE;
00070 
00072     void initialiseRenderTexture();
00074     void resizeRenderTexture();
00076     String generateTextureName();
00077         
00079         GLint d_oldFbo;
00081     GLuint d_frameBuffer;
00083     GLuint d_texture;
00085     OpenGLESTexture* d_CEGUITexture;
00087     static uint s_textureNumber;
00088 };
00089 
00090 } // End of  CEGUI namespace section
00091 
00092 #if defined(_MSC_VER)
00093 #   pragma warning(pop)
00094 #endif
00095 
00096 #endif  // end of guard _CEGUIOpenGLESFBOTextureTarget_h_
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