DtIndirectGlTextureObject.h

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/******************************************************************************
** Copyright (c) 2021 VT-MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/


#pragma once
#include <vrvOsg/vrvOsg.h>

#include <osg/ref_ptr>

#include <set>

namespace osg
{
   class Texture;
}

namespace makVrv
{
   class DtIndirectGlTextureObject
   {
   public:
      DtIndirectGlTextureObject(unsigned int textureId);

      virtual ~DtIndirectGlTextureObject();

      DtIndirectGlTextureObject() = delete;
      DtIndirectGlTextureObject(DtIndirectGlTextureObject& rhs) = delete;
      DtIndirectGlTextureObject& operator=(DtIndirectGlTextureObject& rhs) = delete;

      virtual void addRef(osg::ref_ptr<const osg::Texture> osgTexture);

      virtual void removeRef(osg::ref_ptr<const osg::Texture> osgTexture);

      virtual bool hasReference(osg::ref_ptr<const osg::Texture> osgTexture) const;

      virtual const std::set<osg::ref_ptr<const osg::Texture>>& referencingOsgTextures(void) const;

   public:
      virtual bool isDownloaded(void) const;

      virtual unsigned int textureId(void) const;

   public:
      std::set<osg::ref_ptr<const osg::Texture>> myOsgTextures;

   protected:
      unsigned int myGlTextureId; 
   };
}