DtModelIdAndStreamedBytesTracker.h

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


#pragma once

#include <vrvOsg/vrvOsg.h>

namespace makVrv
{
   // Helper class to track lowest model id and bytes streamed so far in the 3 buffers
   // in gpu culling and lod
   class DtModelIdAndStreamedBytesTracker
   {
   public:
      DtModelIdAndStreamedBytesTracker();

      virtual ~DtModelIdAndStreamedBytesTracker();
   
   private: 
      DtModelIdAndStreamedBytesTracker(const DtModelIdAndStreamedBytesTracker&) = delete;

      DtModelIdAndStreamedBytesTracker& operator=(const DtModelIdAndStreamedBytesTracker&) = delete;
   
   public:
      virtual void set(int id, int bytes);

      virtual int modelId(void) const;

      virtual int bytes(void) const;

      virtual void reset(void);
      
   protected:
      int myModelId;
      int myBytesStreamed;
   };
}