diguyOsgTextureBufferObjectApplyAttribute.h

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/****************************************************************************** 
** Copyright (c) 2014 MAK Technologies, Inc. 
** All rights reserved. 
******************************************************************************/ 

#ifndef diguyOsgTextureBufferObjectApplyAttribute_h__
#define diguyOsgTextureBufferObjectApplyAttribute_h__

#include <map>
#include <osg/StateAttribute>

class diguyOsgTextureBufferObject;

class diguyOsgTextureBufferObjectApplyAttribute : public osg::StateAttribute
{
public:
        diguyOsgTextureBufferObjectApplyAttribute();

        void addTextureBuffferObject(size_t index, diguyOsgTextureBufferObject* texture);
        diguyOsgTextureBufferObject* getTextureBufferObject(size_t index);
        void removeTextureBufferObject(size_t index, diguyOsgTextureBufferObject* texture);

        diguyOsgTextureBufferObjectApplyAttribute(const diguyOsgTextureBufferObjectApplyAttribute& copy, const osg::CopyOp& copyOp =
                osg::CopyOp::SHALLOW_COPY);

        virtual ~diguyOsgTextureBufferObjectApplyAttribute();

        virtual void apply(osg::State& state) const;

        virtual int compare(const StateAttribute& sa) const;

        META_StateAttribute(osg, diguyOsgTextureBufferObjectApplyAttribute,  osg::StateAttribute::Type(TRANSFORMFEEDBACKBUFFERBINDING+2))
private:
        typedef std::map<size_t, diguyOsgTextureBufferObject*> MapTexUnitToTextureBufferObjects;
        MapTexUnitToTextureBufferObjects myMapTexUnitToTextures;
};

#endif // diguyOsgTextureBufferObjectApplyAttribute_h__