DtSilverLiningShaderUniformManager.h

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/******************************************************************************
** Copyright (c) 2023 VT-MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/


#pragma once

#include <vrvOsg/vrvOsg.h>

#include <vrvUtil/DtVirtualBaseClassCreator.h>

#include <vrvGraphicsUtils/DtProgramConstants.h>
#include <vrvMath/DtMatrix4.h>
#include <vrvMath/DtVector4.h>

#include <unordered_map>

namespace makVrv
{
   class DtGlProgram;

   class DT_DLL_VRVOSG DtSilverLiningVrvUniformLocations : DtProgramConstants
   {
   public:
      DtSilverLiningVrvUniformLocations(DtDe& de);

      virtual ~DtSilverLiningVrvUniformLocations();

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

   public:
      virtual void init(const DtGlProgram* program) override;
   protected:
      virtual void reset() override;

   public:
      int vrv_viewport;
      int vrv_persMatrixReverseZ;
      int vrv_invPersMatrix;
      int vrv_softness;
      int isReflection;
      int vrv_depthTexture;

      // These are used for sensor fx
      int osg_ViewMatrixInverse;
      int isSunMoonDisk;
      int isStar;
   protected:
      DtDe& myDe;
   };

   class DtSilverLiningShaderUniformManager;

   typedef DtVirtualBaseClassCreator<DtSilverLiningShaderUniformManager> DtSilverLiningShaderUniformManagerCreator;

   template <>
   inline const char* creatorTypeName<DtSilverLiningShaderUniformManager>(void) { return "DtSilverLiningShaderUniformManagerCreator"; }

   class DtSilverLiningShaderUniformManager
   {
   public:
      friend DtSilverLiningShaderUniformManagerCreator;

      virtual ~DtSilverLiningShaderUniformManager();
     
      DtSilverLiningShaderUniformManager() = delete;
      DtSilverLiningShaderUniformManager(const DtSilverLiningShaderUniformManager& rhs) = delete;
      DtSilverLiningShaderUniformManager& operator=(const DtSilverLiningShaderUniformManager& rhs) = delete;
   protected:
      DtSilverLiningShaderUniformManager(DtDe& de);
   public:
      virtual DtSilverLiningVrvUniformLocations* getOrCreate(unsigned int program);
      virtual void clear();
   protected:
      std::unordered_map<int, DtSilverLiningVrvUniformLocations*> myMapShadersToConstantLocations;
   protected:
      DtDe& myDe;
   };
}