/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield  * * This library is open source and may be redistributed and/or modified under   * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or  * (at your option) any later version.  The full license is in LICENSE file * included with this distribution, and on the openscenegraph.org website. *  * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the  * OpenSceneGraph Public License for more details.*//* Note, elements of PixelBufferX11 have used Prodcer/RenderSurface_X11.cpp as both * a guide to use of X11/GLX and copiying directly in the case of setBorder(). * These elements are license under OSGPL as above, with Copyright (C) 2001-2004  Don Burns. */#ifndef OSGVIEWER_PIXELBUFFERX11#define OSGVIEWER_PIXELBUFFERX11 1#include <osg/GraphicsContext>#include <osgViewer/Export>#define GLX_GLXEXT_PROTOTYPES  1#include <X11/X.h>#include <GL/glx.h>#ifndef GLX_VERSION_1_3    typedef XID GLXPbuffer;#endifnamespace osgViewer{class OSGVIEWER_EXPORT PixelBufferX11 : public osg::GraphicsContext{    public:        PixelBufferX11(osg::GraphicsContext::Traits* traits);            virtual bool isSameKindAs(const Object* object) const { return dynamic_cast<const PixelBufferX11*>(object)!=0; }        virtual const char* libraryName() const { return "osgViewer"; }        virtual const char* className() const { return "PixelBufferX11"; }        virtual bool valid() const { return _valid; }        /** Realise the GraphicsContext.*/        virtual bool realizeImplementation();        /** Return true if the graphics context has been realised and is ready to use.*/        virtual bool isRealizedImplementation() const { return _realized; }        /** Close the graphics context.*/        virtual void closeImplementation();        /** Make this graphics context current.*/        virtual bool makeCurrentImplementation();        /** Make this graphics context current with specified read context implementation. */        virtual bool makeContextCurrentImplementation(osg::GraphicsContext* readContext);        /** Release the graphics context.*/        virtual bool releaseContextImplementation();        /** Bind the graphics context to associated texture implementation.*/        virtual void bindPBufferToTextureImplementation(GLenum buffer);        /** Swap the front and back buffers.*/        virtual void swapBuffersImplementation();    public:            // X11 specific aces functions        Display* getDisplay() const { return _display; }                GLXPbuffer& getPbuffer() { return _pbuffer; }        GLXContext& getGLXContext() { return _glxContext; }    protected:            ~PixelBufferX11();            bool createVisualInfo();                void init();        bool            _valid;        Display*        _display;        GLXPbuffer      _pbuffer;        XVisualInfo*    _visualInfo;        GLXContext      _glxContext;        bool            _initialized;        bool            _realized;        bool            _useGLX1_3;};}#endif