/* osgCompute - Copyright (C) 2008-2009 SVT Group
*
* This library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 3 of
* the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU Lesse General Public License for more details.
*
* The full license is in LICENSE file included with this distribution.
*/

#ifndef OSGCUDA_INTEROPERABILITY_H
#define OSGCUDA_INTEROPERABILITY_H 1

#include <osgCompute/Buffer>
#include <osgCuda/Export>

namespace osgCompute
{
    class InteropObject;
    class InteropBuffer;

    /**
    Interface for all scene based objects 
    */
    class LIBRARY_EXPORT InteropObject
    {
    public:
        InteropObject() {}

        virtual InteropBuffer* getBuffer() = 0;
        virtual const InteropBuffer* getBuffer() const= 0;
        virtual InteropBuffer* getOrCreateBuffer() = 0;

        virtual void addHandle( const std::string& handle ) = 0;
        virtual void removeHandle( const std::string& handle ) = 0;
        virtual bool isAddressedByHandle( const std::string& handle ) const = 0;

    protected:
        virtual ~InteropObject() {}

    private:
        // copy constructor and operator should not be called
        InteropObject( const InteropObject& , const osg::CopyOp& ) {}
        InteropObject& operator=(const InteropObject&) { return (*this); }
    };

    /**
    */
    class LIBRARY_EXPORT InteropBuffer : public osgCompute::Buffer
    {
    public:
        InteropBuffer() {}

        virtual InteropObject* getObject() = 0;

    protected:
        virtual ~InteropBuffer() {}

    private:
        // copy constructor and operator should not be called
        InteropBuffer( const InteropBuffer& , const osg::CopyOp& ) {}
        InteropBuffer& operator=(const InteropBuffer&) { return (*this); }
    };
}

#endif //OSGCUDA_INTEROPERABILITY_H
