DtDepthOnlyRenderMarker.h

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


#pragma once

#include <vrvOsg/vrvOsg.h>

#include <map>
#include <osg/StateAttribute>
#include <osg/Texture2D>

namespace osg
{
   class State;
}

namespace makVrv
{

   class DT_DLL_VRVOSG DtDepthOnlyRenderMarker : public osg::Texture2D
   {
   public:
      static const osg::StateAttribute::Type DEPTH_ONLY_MARKER_TYPE;

      static const unsigned int DEPTH_ONLY_MARKER_TEXTURE_UNIT;

      DtDepthOnlyRenderMarker();

      DtDepthOnlyRenderMarker(const DtDepthOnlyRenderMarker& copy, const osg::CopyOp& copyOp =
         osg::CopyOp::SHALLOW_COPY);

      virtual ~DtDepthOnlyRenderMarker();

      virtual void apply(osg::State& state) const;

      virtual int compare(const StateAttribute& sa) const;

     void setIndex(unsigned int index) { myIndex = index; }

     unsigned int index() const { return myIndex; }

      virtual osg::Object* cloneType() const { return new DtDepthOnlyRenderMarker(); } 

      virtual osg::Object* clone(const osg::CopyOp& copyop) const { return new DtDepthOnlyRenderMarker (*this,copyop); } 

      virtual bool isSameKindAs(const osg::Object* obj) const { return dynamic_cast<const DtDepthOnlyRenderMarker *>(obj)!=NULL; } 

      virtual const char* libraryName() const { return "makVrv"; } 

      virtual const char* className() const { return "DtDepthOnlyRenderMarker"; } 

      virtual Type getType() const { return DEPTH_ONLY_MARKER_TYPE; }

   private:
      unsigned int myIndex;
   };
}