plugin.h

/* Copyright (c) 2009-2010, Cedric Stalder <cedric.stalder@gmail.com> 
 *               2009-2012, Stefan Eilemann <eile@equalizergraphics.com>
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License version 2.1 as published
 * by the Free Software Foundation.
 *  
 * 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 Lesser General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#ifndef CO_PLUGIN_H
#define CO_PLUGIN_H

#include <co/plugins/compressor.h> // member
#include <co/types.h>
#include <lunchbox/dso.h>           // member

namespace co
{
    class Plugin : public lunchbox::NonCopyable
    {
    public:
        typedef size_t ( *GetNumCompressors_t ) ();
        typedef void   ( *GetInfo_t ) ( const size_t, EqCompressorInfo* const );
        typedef void*  ( *NewCompressor_t ) ( const unsigned );
        typedef void   ( *DeleteCompressor_t ) ( void* const );
        typedef void*  ( *NewDecompressor_t ) ( const unsigned );
        typedef void   ( *DeleteDecompressor_t ) ( void* const );
        typedef void   ( *Compress_t ) ( void* const, const unsigned, 
                                         void* const, const uint64_t*,
                                         const uint64_t );
        typedef unsigned ( *GetNumResults_t ) ( void* const, const unsigned );
        typedef void   ( *GetResult_t ) ( void* const, const unsigned, 
                                          const unsigned, void** const, 
                                          uint64_t* const );
        typedef void   ( *Decompress_t ) ( void* const, const unsigned,
                                           const void* const*,
                                           const uint64_t* const,
                                           const unsigned, void* const, 
                                           uint64_t* const, 
                                           const uint64_t );
        typedef bool ( *IsCompatible_t ) ( const unsigned, const GLEWContext* );
        typedef void ( *Download_t )( void* const, const unsigned, 
                                      const GLEWContext*, const uint64_t*,
                                      const unsigned, const uint64_t,
                                      uint64_t*, void** );
        typedef void ( *StartDownload_t )( void* const, const unsigned,
                                      const GLEWContext*, const uint64_t*,
                                      const unsigned, const uint64_t );
        typedef void ( *FinishDownload_t )( void* const, const unsigned,
                                      const GLEWContext*, const uint64_t*,
                                      const uint64_t, uint64_t*, void** );
        typedef void ( *Upload_t )( void* const, const unsigned, 
                                    const GLEWContext*, const void*,
                                    const uint64_t*,
                                    const uint64_t, const uint64_t*,
                                    const unsigned  );

        Plugin(){}

        bool init( const std::string& libraryName );
      
        void exit();

        void initChildren();

        GetNumCompressors_t getNumCompressors;

        NewCompressor_t newCompressor;
        
        NewDecompressor_t newDecompressor;
       
        DeleteCompressor_t deleteCompressor;
        
        DeleteDecompressor_t deleteDecompressor;
      
        Compress_t compress;

        Decompress_t decompress;
      
        GetNumResults_t getNumResults;

        GetResult_t getResult;

        IsCompatible_t isCompatible;

        Download_t download;

        Upload_t upload;

        StartDownload_t startDownload;

        FinishDownload_t finishDownload;

        bool implementsType( const uint32_t name ) const;

        const CompressorInfos& getInfos() const { return _infos; }

        const CompressorInfo& findInfo( const uint32_t name ) const;

    private:
        CompressorInfos _infos;
        lunchbox::DSO _dso;   
    };
}

#endif //CO_PLUGIN_H