DtGlBufferMemoryTracker.h

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


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

#include <vrvGraphicsUtils/DtBufferType.h>
#include <vrvGraphicsUtils/DtGlBufferListener.h>

#include <map>
#include <unordered_set>
#include <unordered_map>

namespace makVrv
{
   class DtDe;
   class DtGlBuffer;

   struct DT_DLL_VRVGRAPHICSUTILS DtBufferTypeProperties
   {
   public:
      DtBufferTypeProperties();

      virtual ~DtBufferTypeProperties();
   public:
      DtBufferTypeProperties& operator+=(const DtBufferTypeProperties& rhs);
   public:
      int myNumBuffers;
      uint64_t myBuffersSize;

      int myMaxNumBuffers;

      uint64_t myMaxBuffersSize;
   };

   class DT_DLL_VRVGRAPHICSUTILS DtGlBufferMemoryTracker : public DtGlBufferListener
   {
   public:
      DtGlBufferMemoryTracker();

      virtual ~DtGlBufferMemoryTracker();

      DtGlBufferMemoryTracker(const DtGlBufferMemoryTracker&) = delete;

      DtGlBufferMemoryTracker& operator=(const DtGlBufferMemoryTracker&) = delete;
   public:
      virtual void bufferSizeChanged(DtGlBuffer* buffer) override;

      virtual void bufferResidencyChanging(DtGlBuffer* buffer, bool resident) override;

      virtual void bufferDeleted(DtGlBuffer* buffer) override;

      const std::map<DtBufferType, DtBufferTypeProperties>& properties(void) const;

      const std::map<DtBufferType, DtBufferTypeProperties>& propertiesBindless(void) const;

   protected:
      virtual void printMap(std::map<DtBufferType, DtBufferTypeProperties>& aMap);

      std::string bufferName(unsigned int id) const;

   protected:
      std::map<DtBufferType, DtBufferTypeProperties> myMapBuffersToProperties;

      std::map<DtBufferType, DtBufferTypeProperties> myMapBuffersToPropertiesBindless;

      std::unordered_map<unsigned int, int> myTrackedBuffers;

      std::unordered_map<unsigned int, int> myTrackedBuffersBindless;
   };

}