DtOsgStateComponent.h

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/*****************************************************************************
 * Copyright (c) 2020 MAK Technologies, Inc.
 * All rights reserved.
 *****************************************************************************/


#pragma once

#include <vrvOsg/vrvOsg.h>

#include <osg/Referenced>
#include <osg/ref_ptr>

#include <string>

namespace osg
{
   class StateSet;
}

namespace makVrv
{
   class DtDe;

   class DtOsgShaderFilesCache;

   class DT_DLL_VRVOSG DtOsgStateComponent : public osg::Referenced
   {
   public:
      DtOsgStateComponent(DtDe& de);

   private:
      DtOsgStateComponent() = delete;

      DtOsgStateComponent(const DtOsgStateComponent& rhs) = delete;

      DtOsgStateComponent& operator = (const DtOsgStateComponent& rhs) = delete;

   public:
      virtual bool install(osg::StateSet* stateset) =0;

      virtual bool uninstall(osg::StateSet* stateset) =0;

   protected:

      virtual ~DtOsgStateComponent();

      virtual const std::string& loadShaderSource(const std::string& strFileName) const;

   protected:

       DtDe& myDe;

       DtOsgShaderFilesCache& myShaderFilesCache;
   };
}