DtIndirectDefaultTextureCollectionPolicy.h

Go to the documentation of this file.

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


#pragma once

#include <vrvOsg/vrvOsg.h>

#include <vrvOsg/DtIndirectTextureCollectionPolicy.h>
#include <vrvOsg/DtEffectTextureType.h>

namespace osg
{
   class StateSet;
   class ExtendedMaterial;
}

namespace makVrv
{
   class DtIndirectGeometryTextures;

   class DT_DLL_VRVOSG DtIndirectDefaultTextureCollectionPolicy : public DtIndirectTextureCollectionPolicy
   {
   public:
      friend class DtIndirectDefaultTextureCollectionPolicyCreator;

      virtual ~DtIndirectDefaultTextureCollectionPolicy();

   protected:
      // ! constructor. only creator can create
      DtIndirectDefaultTextureCollectionPolicy(DtDe& de);

   private:
      DtIndirectDefaultTextureCollectionPolicy(const DtIndirectDefaultTextureCollectionPolicy &other) = delete;
      DtIndirectDefaultTextureCollectionPolicy &operator=(const DtIndirectDefaultTextureCollectionPolicy &other) = delete;

   public:
      virtual void collectTextures(DtIndirectGeometryTextures* textures, const osg::StateSet* stateSet, const std::string &modelName) const;

      virtual const std::string& glslTextureDeclarationHashDefine(const DtIndirectEffectTexturesTemplate& effectTexturesState, unsigned int numTexCoords) const;
      virtual void printHashDefineDetails(const DtIndirectEffectTexturesTemplate& effectTexturesState) const;

   protected:

      virtual void collectTextures(DtIndirectGeometryTextures* textures, const osg::StateSet* stateSet, 
         const osg::ExtendedMaterial* extendedMaterial, const std::string &modelName) const;

      virtual void compareAndInsertHashDefine(std::stringstream& ss, int type, int effectTextureIdx) const;

      virtual void collectTexturesExtendedMaterial(DtIndirectGeometryTextures* textures, const osg::StateSet* stateSet, 
         const osg::ExtendedMaterial* extendedMaterial, const std::string &modelName) const;

      virtual void collectTexturesNoExtendedMaterial(DtIndirectGeometryTextures* textures, const osg::StateSet* stateSet, 
         const std::string &modelName) const;

      virtual bool collectTexturesData(int unit, const osg::StateSet* stateSet,
                   const osg::Texture* diffuseTexture,
                   bool& error,
                   const osg::StateAttribute*& texattr,
                   const osg::Texture*& texture) const;
   
   protected:
      static const std::vector<DtEffectTextureType> theTextureTypes;
   };

   class  DT_DLL_VRVOSG DtIndirectDefaultTextureCollectionPolicyCreator : public DtIndirectTextureCollectionPolicyCreator
   {
   public:
      DtIndirectDefaultTextureCollectionPolicyCreator();

      virtual ~DtIndirectDefaultTextureCollectionPolicyCreator();

      virtual DtIndirectTextureCollectionPolicy* create(DtDe& de);
   };
}