DtSubmitViewCallback.h

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/****************************************************************************** 
** Copyright (c) 2019 MAK Technologies, Inc. 
** All rights reserved. 
******************************************************************************/ 


#pragma once

#include "vrvVirtualReality/vrvVirtualReality.h"

#include <osg/Texture2D>
#include <osg/Camera>
#include <osg/Matrixd>

namespace makVrv
{
   class DtDe;
   class DtVirtualRealityPostProcessor;
   class DtVirtualRealityDriver;
   class DtBlitOsgToGlTexture;

   class DT_DLL_VRVVR DtSubmitViewCallback : public osg::Camera::DrawCallback
   {
   private:
      DtSubmitViewCallback();

      DtSubmitViewCallback(const DtSubmitViewCallback& orig);

      DtSubmitViewCallback& operator=(const DtSubmitViewCallback&);

   public:
      DtSubmitViewCallback(DtDe& de, DtVirtualRealityPostProcessor& pp, DtVirtualRealityDriver& driver, vrvVirtualReality::DtEye eye);

      virtual ~DtSubmitViewCallback();

      // ! \brief has the callback initalised properly
      bool isInitialized() const;

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

   protected:
      virtual void submit(osg::RenderInfo& renderInfo) const = 0;
      
      
      DtVirtualRealityPostProcessor& myProcessor;
      DtVirtualRealityDriver& myDriver;
      vrvVirtualReality::DtEye myEye;

      // ! used to flag the contructor initalised everything successfully
      bool myIsInitialized;

      mutable DtBlitOsgToGlTexture* myMutableBlitTexture;

      DtDe& myDe;
   };
}