DtIndirectOpenGLState.h

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/******************************************************************************
** Copyright (c) 2018 VT-MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/


#pragma once

#include <vrvOsg/vrvOsg.h>

#include <vrvOsg/DtIndirectPolygonOffset.h>

#include <vrvGraphicsUtils/DtCommonTypes.h>

namespace makVrv
{
   class DT_DLL_VRVOSG DtIndirectOpenGLState
   {
   public:
      DtIndirectOpenGLState(bool cullFaceEnabled, const DtIndirectPolygonOffset& polyOffset);
  
      ~DtIndirectOpenGLState();

      DtIndirectOpenGLState();

      DtIndirectOpenGLState &operator=(const DtIndirectOpenGLState &other);;

      DtIndirectOpenGLState(const DtIndirectOpenGLState &other);
     
   public:
      virtual bool cullFaceEnabled(void) const;

      virtual void setCullFaceEnabled(bool val);

      virtual void setPolygonOffset(const DtIndirectPolygonOffset& polyOffset);

      virtual const DtIndirectPolygonOffset& polygonOffset(void) const;
      
      virtual void apply(void) const;

      virtual const SetInts& modes(void) const;

      virtual const SetInts& attributes(void) const;

      bool operator==(const DtIndirectOpenGLState& rhs) const;

      bool operator!=(const DtIndirectOpenGLState& rhs) const;

   protected:

      bool myCullFaceEnabled;
      DtIndirectPolygonOffset myPolygonOffset;

      SetInts mySetModes;
      SetInts mySetAttributes;
   };

   std::ostream& operator <<(std::ostream& o, const DtIndirectOpenGLState& stateset);

   struct DtIndirectOpenGLStateHasher
   {
      size_t operator()(const DtIndirectOpenGLState& key) const;
   };
  
}