DtOverlayDrawable.h

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


#ifndef DtOverlayDrawable_H_
#define DtOverlayDrawable_H_

#include <vrvOsg/vrvOsg.h>
#include <vrvGraphics/DtOverlayRenderer.h>
#include <osg/Drawable>

namespace osg
{
   class Camera;
}

namespace makVrv
{
   class DtOsgOverlayManager;
   class DtChannel;

   class DT_DLL_VRVOSG DtOverlayDrawable : public osg::Drawable
   {
   public:
      DtOverlayDrawable(DtOsgOverlayManager& overlayManager, DtChannel& channel, bool usingReverseZBuffer);

      void setOverlayToRender(DtOverlayRenderer* renderer);

      DtOverlayDrawable(const DtOverlayDrawable&,const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY);

      virtual osg::Object* cloneType() const { return new DtOverlayDrawable(myOverlayManager,myChannel, myUsingReverseZBuffer); }

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

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

      void setProjectionCamera(osg::Camera* camera);      

   protected:
      osg::Camera* myProjectionCamera;
      DtOverlayRenderer* myOverlayToRender;
      DtOsgOverlayManager& myOverlayManager;
      DtChannel& myChannel;
      bool myUsingReverseZBuffer;
   };
}

#endif