gpuInfo.h

/* Copyright (c) 2011-2013, Stefan Eilemann <eile@eyescale.ch>
 *
 * 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 HWSD_GPUINFO_H
#define HWSD_GPUINFO_H

#include <hwsd/api.h>
#include <hwsd/nodeInfo.h>  // base class

#include <climits>
#include <cstring>
#include <iostream>
#include <string>


namespace hwsd
{
struct GPUInfo : public NodeInfo
{
    static const unsigned defaultValue = UINT_MAX;

    static const unsigned FLAG_VIRTUALGL = 0x1;

    static const unsigned FLAG_VIRTUALGL_DISPLAY = 0x2;

    static const unsigned FLAG_VNC = 0x4;

    HWSD_API GPUInfo();

    HWSD_API explicit GPUInfo( const std::string& name );

    HWSD_API void invalidatePVP();

    HWSD_API bool operator == ( const GPUInfo& rhs ) const;

    HWSD_API bool operator != ( const GPUInfo& rhs ) const;

    HWSD_API std::string getName() const;

    unsigned type;

    unsigned port;

    unsigned device;

    int pvp[4];

    unsigned flags; 
    unsigned unused; 
};

inline std::ostream& operator << ( std::ostream& os, const GPUInfo& info )
{
    os << "GPUInfo\n" << static_cast< const NodeInfo& >( info );
    if( !info.getName().empty( ))
        os << "  Type      " << info.getName() << std::endl;
    if( info.port != GPUInfo::defaultValue )
        os << "  Port      " << info.port << std::endl;
    if( info.device != GPUInfo::defaultValue )
        os << "  Device    " << info.device << std::endl;
    if( info.pvp[2] >0 && info.pvp[3] > 0 )
        os << "  Viewport  [" << info.pvp[0] << ' ' << info.pvp[1] << ' '
           << info.pvp[2] << ' ' << info.pvp[3] << ']' << std::endl;
    if( info.flags != 0 )
        os << "  Flags     "
           << ((info.flags&GPUInfo::FLAG_VIRTUALGL) ? "VirtualGL" : "")
           << ((info.flags&GPUInfo::FLAG_VIRTUALGL_DISPLAY) ? "Display" : "")
           << std::endl;
    return os;
}
}

#endif // HWSD_GPUINFO_H