OgreHighLevelGpuProgramManager.h

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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) 2000-2013 Torus Knot Software Ltd

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
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copies of the Software, and to permit persons to whom the Software is
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The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
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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"
#include "OgreHeaderPrefix.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* createParams);
    public:
        HighLevelGpuProgramManager();
        ~HighLevelGpuProgramManager();
        void addFactory(HighLevelGpuProgramFactory* factory);
        void removeFactory(HighLevelGpuProgramFactory* factory);

        bool isLanguageSupported(const String& lang);

        HighLevelGpuProgramPtr getByName(const String& name, const String& groupName = ResourceGroupManager::AUTODETECT_RESOURCE_GROUP_NAME);

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

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


    };
}

#include "OgreHeaderSuffix.h"

#endif