Line data    Source code

       1             : 
       2             : /* Copyright (c) 2011, Stefan Eilemann <eile@eyescale.ch>
       3             :  *
       4             :  * This library is free software; you can redistribute it and/or modify it under
       5             :  * the terms of the GNU Lesser General Public License version 2.1 as published
       6             :  * by the Free Software Foundation.
       7             :  *
       8             :  * This library is distributed in the hope that it will be useful, but WITHOUT
       9             :  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
      10             :  * FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
      11             :  * details.
      12             :  *
      13             :  * You should have received a copy of the GNU Lesser General Public License
      14             :  * along with this library; if not, write to the Free Software Foundation, Inc.,
      15             :  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
      16             :  */
      17             : 
      18             : #ifndef EQFABRIC_GPUINFO_H
      19             : #define EQFABRIC_GPUINFO_H
      20             : 
      21             : #include <eq/fabric/pixelViewport.h>
      22             : #include <eq/fabric/types.h>
      23             : #include <iostream>
      24             : 
      25             : namespace eq
      26             : {
      27             : namespace fabric
      28             : {
      29             :     /** A structure containing GPU-specific information. */
      30          30 :     struct GPUInfo
      31             :     {
      32             :         /** Default constructor pointing to default display. */
      33          30 :         GPUInfo() : port( LB_UNDEFINED_UINT32 ), device( LB_UNDEFINED_UINT32 )
      34          30 :             {}
      35             : 
      36             :         /** @return true if both infos are identical. @version 1.0 */
      37             :         bool operator == ( const GPUInfo& rhs ) const
      38             :             { return port==rhs.port && device==rhs.device && pvp==rhs.pvp; }
      39             : 
      40             :         /** @return true if both infos are not identical. @version 1.0 */
      41             :         bool operator != ( const GPUInfo& rhs ) const
      42             :             { return port!=rhs.port || device!=rhs.device || pvp!=rhs.pvp; }
      43             : 
      44             :         /** The display (GLX) or ignored (Win32, AGL). */
      45             :         uint32_t port;
      46             : 
      47             :         /** The screen (GLX), GPU (Win32) or virtual screen (AGL). */
      48             :         uint32_t device;
      49             : 
      50             :         /** The size and location of the GPU. */
      51             :         PixelViewport pvp;
      52             : 
      53             :         std::string hostname; //!< remote system  hostname, empty for local GPUs
      54             :     };
      55             : 
      56             :     inline std::ostream& operator << ( std::ostream& os, const GPUInfo& info )
      57             :     {
      58             :         if( !info.hostname.empty( ))
      59             :             os << "hostname " << info.hostname << std::endl;
      60             :         if( info.port != LB_UNDEFINED_UINT32 )
      61             :             os << "port     " << info.port << std::endl;
      62             :         if( info.device != LB_UNDEFINED_UINT32 )
      63             :             os << "device   " << info.device << std::endl;
      64             :         if( info.pvp.isValid( ))
      65             :             os << "viewport " << info.pvp << std::endl;
      66             :         return os;
      67             :     }
      68             : 
      69             : }
      70             : }
      71             : #endif // EQFABRIC_GPUINFO_H
      72             :