DtIndirectGlTextureObjectTracker.h

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


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

#include <vrvUtil/DtVirtualBaseClass.h>

#include <unordered_map>

namespace makVrv
{
   class DtDe;

   class DtGlTextureMemoryTracker;

   class DtVrvToOsgTextureClashDetector;

   class DT_DLL_VRVOSG DtIndirectGlTextureObjectTracker : public DtVirtualBaseClass
   {
   public:
      static DtIndirectGlTextureObjectTracker& instance(DtDe& de);

      virtual ~DtIndirectGlTextureObjectTracker();

      DtIndirectGlTextureObjectTracker() = delete;
      DtIndirectGlTextureObjectTracker& operator=(const DtIndirectGlTextureObjectTracker& rhs) = delete;
      DtIndirectGlTextureObjectTracker(const DtIndirectGlTextureObjectTracker& rhs) = delete;

   public:
      virtual void textureSizeChanged(unsigned int textureId);

      virtual void textureDeleted(unsigned int textureId);

      virtual const DtGlTextureMemoryTracker* tracker(void) const;

      virtual void osgTextureSizeChanged(unsigned int textureId);

      virtual void osgTextureDeleted(unsigned int textureId);

      virtual unsigned int findVrvTexture(const std::string& textureFilePath) const;

   protected:
      DtIndirectGlTextureObjectTracker(DtDe& de);

      static void registerInstance(DtIndirectGlTextureObjectTracker* manager, DtDe& de);

      static DtIndirectGlTextureObjectTracker* findInstance(DtDe& de);

   protected:
      DtDe& myDe;

      DtGlTextureMemoryTracker* myVrvTracker;

      DtVrvToOsgTextureClashDetector* myVrvToOsgTextureClashDetector;
   };
}