DtVolumetricLighting.h

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

#pragma once


#include <vrvPostProcessor/vrvPostProcessor.h> 

#include <vrvPostProcessor/DtPostProcessor.h> 

#include <vrvUtil/DtSignalConnectionManager.h>

namespace makVrv 
{ 
   class DtWindow;
   class DtVolumetricDrawable;

   class DT_DLL_VRVPOSTPROCESSOR DtVolumetricLighting : public DtPostProcessor
   {
   public:
      DtVolumetricLighting(DtDe& de, const std::string& postProcessType, bool handles2D);

      virtual ~DtVolumetricLighting();
   private:
      DtVolumetricLighting();

      DtVolumetricLighting(const DtVolumetricLighting&);

      DtVolumetricLighting& operator=(const DtVolumetricLighting&);
   public:

      virtual bool update(DtChannel *channel);

      virtual void slot_reloadShaders();
      virtual void slot_setGodRayEffects(bool enabled);

      virtual osg::Texture* outputTexture();

      virtual bool localEnabled();

      virtual bool effectItrEnabled(EffectMap::iterator &effect);
      virtual bool postProcessorEnabled() const;

      virtual void setInputTexture(const DtChannel* channel, osg::Texture* texture) override;

      virtual bool needsOcclusionTexture() const override;

   protected:
      DtSignalConnectionManager myConnections;
      
      DtVolumetricDrawable * myVolumeDrawable;
      bool myLocalEnabled;
   };

   // 
   // Creator
   //

   class DT_DLL_VRVPOSTPROCESSOR DtVolumetricLightingCreator 
      : public DtPostProcessorCreator
   {
   public:
      friend class DtPostProcessManager;

      DtVolumetricLightingCreator();

      virtual ~DtVolumetricLightingCreator();

   protected:
      virtual DtPostProcessor* create(DtDe& de, const std::string& postProcessType);
   };

}