DtGlTextureResidentMemoryTracker.h

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


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

#include <vrvGraphicsUtils/DtGlTrackedTextureProperties.h>

#include <unordered_set>
#include <unordered_map>
#include <string>

namespace makVrv
{
   class DtDe;
   class DtGlBuffer;

   class DT_DLL_VRVGRAPHICSUTILS DtGlTextureResidentMemoryTracker
   {
   public:
      DtGlTextureResidentMemoryTracker();

      virtual ~DtGlTextureResidentMemoryTracker();

      DtGlTextureResidentMemoryTracker(const DtGlTextureResidentMemoryTracker&) = delete;

      DtGlTextureResidentMemoryTracker& operator=(const DtGlTextureResidentMemoryTracker&) = delete;

   public:
      virtual void textureResidencyChanged(unsigned int textureId);

      virtual const DtGlTrackedTextureProperties& trackedProperties(void) const;

      virtual const std::unordered_map<unsigned int, int>& textures(void) const;

   protected:
      std::unordered_map<unsigned int, int> myTrackedTextures;

      DtGlTrackedTextureProperties myProperties;
   };
}