Crazy Eddies GUI System: CEGUIOpenGLWGLPBTextureTarget.h Source File

Crazy Eddies GUI System 0.7.6

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CEGUIOpenGLWGLPBTextureTarget.h

    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_