DtInstanceLodProcessor.h

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/******************************************************************************
** Copyright (c) 2014 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/


#pragma once

#include <vrvOsg/vrvOsg.h>
#include <vrvOsg/DtInstanceProcessor.h>
#include <vrvOsg/DtInstanceState.h>

namespace makVrv
{
   class DtInstanceManager;

   class DT_DLL_VRVOSG DtInstanceLodProcessor : public DtInstanceProcessor
   {
   public:
      DtInstanceLodProcessor(DtInstanceManager& instanceManager);

      virtual ~DtInstanceLodProcessor();

      virtual void processRange(unsigned int instanceStride, unsigned int instanceOffset, unsigned int instanceCount);

   protected:

      void updateLodRange(unsigned int instanceStride, unsigned int instanceOffset, unsigned int instanceCount);

      void updateLods(float dist, unsigned int drawableOffset, const ArrayRange& lodRange);

   protected:
      DtInstanceManager& myInstanceManager;
   };
}