DtIndirectDefaultTexturesContainer.h

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


#pragma once
#include <vrvOsg/vrvOsg.h>

#include <vrvUtil/DtVirtualBaseClass.h>

#include <osg/ref_ptr>
#include <osg/Texture>

namespace osg
{
   class Texture;
}

namespace makVrv
{
   class DtDe;
   class DtIndirectTexturePrototype;
   class DtIndirectTexturePrototypeManager;

   class DT_DLL_VRVOSG DtIndirectDefaultTexturesContainer : public DtVirtualBaseClass
   {
   public:
      static DtIndirectDefaultTexturesContainer& instance(DtDe& de);

      virtual ~DtIndirectDefaultTexturesContainer();

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

   public:
      virtual void loadDefaultTextures(void);

      virtual osg::ref_ptr<osg::Texture> defaultTextureOsg(void) const;

      virtual const DtIndirectTexturePrototype* defaultTexture(void) const;

      bool loadModelDebugTexture( void );
      virtual const DtIndirectTexturePrototype* modelDebugTexture(void) const;

      virtual const DtIndirectTexturePrototype* brdfLookupTexture(void) const;

      virtual const DtIndirectTexturePrototype* outOfMemoryTexture(void) const;

      virtual const DtIndirectTexturePrototype* lightsDebugDigitsTexture(void) const;
   protected:
      DtIndirectDefaultTexturesContainer(DtDe& de);

      static void registerInstance(DtIndirectDefaultTexturesContainer* manager, DtDe& de);

      static DtIndirectDefaultTexturesContainer* findInstance(DtDe& de);
   protected:
      void loadTheDefaultTexture(const std::string& filename);

      void loadTheOutOfMemoryTexture(const std::string& filename);

      void loadLightsDigitsDebugTexture(const std::string& filename);

      std::string findDebugTexturePath(void) const;

      void loadBrdfLookupTexture(void);
   protected:

      DtDe& myDe;

      osg::ref_ptr<osg::Texture> myDefaultTextureOsg;

      const DtIndirectTexturePrototype* myDefaultTexture = nullptr;

      const DtIndirectTexturePrototype* myOutOfMemoryTexture = nullptr;

      const DtIndirectTexturePrototype* myLightsDigitsDebugTexture = nullptr;

      const DtIndirectTexturePrototype* myModelDebugTexture = nullptr;

      const DtIndirectTexturePrototype* myBrdfLookupTexture = nullptr;

      DtIndirectTexturePrototypeManager& myTexturePrototypeManager;

      static const std::string theClassName;
   };
}