OgreHighLevelGpuProgramManager.h

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/*
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This source file is part of OGRE
    (Object-oriented Graphics Rendering Engine)
For the latest info, see http://www.ogre3d.org/

Copyright (c) 2000-2012 Torus Knot Software Ltd

Permission is hereby granted, free of charge, to any person obtaining a copy
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The above copyright notice and this permission notice shall be included in
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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*/
#ifndef __HighLevelGpuProgramManager_H__
#define __HighLevelGpuProgramManager_H__

#include "OgrePrerequisites.h"
#include "OgreResourceManager.h"
#include "OgreSingleton.h"
#include "OgreException.h"
#include "OgreHighLevelGpuProgram.h"

namespace Ogre {

    class _OgreExport HighLevelGpuProgramFactory : public FactoryAlloc
    {
    public:
        HighLevelGpuProgramFactory() {}
        virtual ~HighLevelGpuProgramFactory();
        virtual const String& getLanguage(void) const = 0;
        virtual HighLevelGpuProgram* create(ResourceManager* creator, 
            const String& name, ResourceHandle handle,
            const String& group, bool isManual, ManualResourceLoader* loader) = 0;
        virtual void destroy(HighLevelGpuProgram* prog) = 0;
    };
    class _OgreExport HighLevelGpuProgramManager 
        : public ResourceManager, public Singleton<HighLevelGpuProgramManager>
    {
    public:
        typedef map<String, HighLevelGpuProgramFactory*>::type FactoryMap;
    protected:
        FactoryMap mFactories;

        HighLevelGpuProgramFactory* mNullFactory;
        HighLevelGpuProgramFactory* mUnifiedFactory;

        HighLevelGpuProgramFactory* getFactory(const String& language);

        Resource* createImpl(const String& name, ResourceHandle handle, 
            const String& group, bool isManual, ManualResourceLoader* loader,
            const NameValuePairList* params);
    public:
        HighLevelGpuProgramManager();
        ~HighLevelGpuProgramManager();
        void addFactory(HighLevelGpuProgramFactory* factory);
        void removeFactory(HighLevelGpuProgramFactory* factory);

        bool isLanguageSupported(const String& lang);


        HighLevelGpuProgramPtr createProgram(
            const String& name, const String& groupName, 
            const String& language, GpuProgramType gptype);

        static HighLevelGpuProgramManager& getSingleton(void);
        static HighLevelGpuProgramManager* getSingletonPtr(void);


    };
}

#endif