DtIndirectRegistrarDriverNode.h

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/******************************************************************************
** Copyright (c) 2022 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/


#pragma once

#include <vrvOsg/vrvOsg.h>
#include <vrvOsg/DtIndirectGeometryRegistrar.h>

#include <vrvUtil/DtVirtualBaseClassCreator.h>

#include <osgUtil/CullVisitor>

#include <boost/thread/mutex.hpp>
#include <boost/thread/condition_variable.hpp>

#include <osg/Drawable>

#include <set>

namespace makVrv
{
   class DtIndirectRegistrarDriverNode;

   typedef DtVirtualBaseClassCreator<DtIndirectRegistrarDriverNode> DtIndirectTextureLoaderNodeCreator;

   template <>
   inline const char* creatorTypeName<DtIndirectRegistrarDriverNode>(void) { return "DtIndirectRegistrarDriverNodeCreator"; }

   class DT_DLL_VRVOSG DtIndirectRegistrarDriverNode : public osg::Drawable
   {
   protected:

      DtIndirectRegistrarDriverNode(DtDe& de);

      friend DtIndirectTextureLoaderNodeCreator;

   public:
      virtual ~DtIndirectRegistrarDriverNode();
   
      DtIndirectRegistrarDriverNode(const DtIndirectRegistrarDriverNode &other) = delete;
      DtIndirectRegistrarDriverNode &operator=(const DtIndirectRegistrarDriverNode &other) = delete;

   public:
      void accept(osg::NodeVisitor& nv);

      virtual void drawImplementation(osg::RenderInfo& renderInfo) const;

      virtual void addIndirectRegistrarToProcess(DtIndirectGeometryRegistrar* registrar);

      virtual void removeIndirectRegistrarToProcess(DtIndirectGeometryRegistrar* registrar);

      virtual bool containsIndirectRegistrarToProcess(DtIndirectGeometryRegistrar* registrar);

      virtual void clearIndirectRegistrarsToProcess(bool lastCall = false);

   protected:

      mutable boost::mutex myMutex;
      mutable boost::condition_variable myCondition;

      typedef std::set<osg::ref_ptr<DtIndirectGeometryRegistrar> > RegistrarSet;
      mutable RegistrarSet myProcessors;

      bool myAboutToBeDestroyed;

      DtDe& myDtDe;
   };
}