diguyOsgTextureBufferObjectApplyAttribute.h

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/****************************************************************************
 * Copyright (c) 2024 MAK Technologies, Inc.
 * All rights reserved.
 ****************************************************************************/

#pragma once

#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;
};