OgreGLXUtils.h

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/*
-----------------------------------------------------------------------------
This source file is part of OGRE
(Object-oriented Graphics Rendering Engine)
For the latest info, see http://www.ogre3d.org/

Copyright (c) 2000-2013 Torus Knot Software Ltd

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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THE SOFTWARE.
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*/
#ifndef __GLXUtils_H__
#define __GLXUtils_H__

#include "OgrePrerequisites.h"
#include <GL/glew.h>
#include <GL/glxew.h>

namespace Ogre 
{
    class _OgrePrivate GLXUtils
    {
    public:
        // Portable replacements for some GLX 1.3 function pointers
        
        static PFNGLXCHOOSEFBCONFIGPROC chooseFBConfig;
        static PFNGLXCREATENEWCONTEXTPROC createNewContext;
        static PFNGLXGETFBCONFIGATTRIBPROC getFBConfigAttrib;
        static PFNGLXGETVISUALFROMFBCONFIGPROC getVisualFromFBConfig;
        
        static GLXFBConfig getFBConfigFromContext (Display *display, ::GLXContext context);
        
        static GLXFBConfig getFBConfigFromDrawable (Display *display, GLXDrawable drawable, 
                                unsigned int *width, unsigned int *height);
        
        static void initialiseGLXEW (Display *display);
        
        static GLXFBConfig selectFBConfig(Display *display, const int *minAttribs, const int *maxAttribs);
        
        static bool loadIcon(Display *display, const std::string &name, Pixmap *pix, Pixmap *mask);
    };
   
}

#endif