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116 lines
3.5 KiB
116 lines
3.5 KiB
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield |
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* |
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* This library is open source and may be redistributed and/or modified under |
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* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or |
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* (at your option) any later version. The full license is in LICENSE file |
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* included with this distribution, and on the openscenegraph.org website. |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* OpenSceneGraph Public License for more details. |
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*/ |
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#ifndef OSGVIEWER_PIXELBUFFERCARBON |
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#define OSGVIEWER_PIXELBUFFERCARBON 1 |
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#if defined (__APPLE__) && (!__LP64__) |
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#include <osg/GraphicsContext> |
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#include <osgViewer/api/Carbon/GraphicsHandleCarbon> |
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namespace osgViewer |
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{ |
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class OSGVIEWER_EXPORT PixelBufferCarbon : public osg::GraphicsContext, public osgViewer::GraphicsHandleCarbon |
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{ |
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public: |
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PixelBufferCarbon(osg::GraphicsContext::Traits* traits): |
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_valid(false), |
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_initialized(false), |
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_realized(false), |
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_pixelformat(0), |
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_pbuffer(0) |
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{ |
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_traits = traits; |
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init(); |
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if (valid()) |
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{ |
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setState( new osg::State ); |
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getState()->setGraphicsContext(this); |
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if (_traits.valid() && _traits->sharedContext) |
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{ |
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getState()->setContextID( _traits->sharedContext->getState()->getContextID() ); |
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incrementContextIDUsageCount( getState()->getContextID() ); |
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} |
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else |
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{ |
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getState()->setContextID( osg::GraphicsContext::createNewContextID() ); |
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} |
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} |
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} |
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virtual bool isSameKindAs(const Object* object) const { return dynamic_cast<const PixelBufferCarbon*>(object)!=0; } |
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virtual const char* libraryName() const { return "osgViewer"; } |
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virtual const char* className() const { return "PixelBufferCarbon"; } |
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virtual bool valid() const { return _valid; } |
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/** Realise the GraphicsContext.*/ |
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virtual bool realizeImplementation(); |
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/** Return true if the graphics context has been realised and is ready to use.*/ |
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virtual bool isRealizedImplementation() const { return _realized; } |
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/** Close the graphics context.*/ |
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virtual void closeImplementation(); |
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/** Make this graphics context current.*/ |
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virtual bool makeCurrentImplementation(); |
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/** Make this graphics context current with specified read context implementation. */ |
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virtual bool makeContextCurrentImplementation(osg::GraphicsContext* readContext); |
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/** Release the graphics context.*/ |
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virtual bool releaseContextImplementation(); |
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/** Bind the graphics context to associated texture implementation.*/ |
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virtual void bindPBufferToTextureImplementation( GLenum buffer ); |
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/** Swap the front and back buffers.*/ |
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virtual void swapBuffersImplementation(); |
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static AGLPixelFormat createPixelFormat(osg::GraphicsContext::Traits* traits); |
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public: |
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protected: |
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~PixelBufferCarbon(); |
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void init(); |
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bool _valid; |
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bool _initialized; |
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bool _realized; |
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AGLPixelFormat _pixelformat; |
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AGLPbuffer _pbuffer; |
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}; |
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} |
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#endif |
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#endif
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