Line data    Source code

       1             : 
       2             : /* Copyright (c) 2006-2012, Stefan Eilemann <eile@equalizergraphics.com> 
       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_SWAPBARRIER_H
      19             : #define EQFABRIC_SWAPBARRIER_H
      20             : 
      21             : #include <eq/fabric/api.h>
      22             : #include <lunchbox/referenced.h> // base class
      23             : #include <iostream>
      24             : 
      25             : namespace eq
      26             : {
      27             : namespace fabric
      28             : {
      29             :     /**
      30             :      * A swapbarrier is set on a Compound to synchronize the swap buffer between
      31             :      * windows.
      32             :      *
      33             :      * Swap barriers with the same name are linked together, that is, all
      34             :      * compounds holding a swap barrier with the same name synchronize their
      35             :      * window's swap command.
      36             :      */
      37         400 :     class SwapBarrier : public lunchbox::Referenced
      38             :     {
      39             :     public:
      40             :         /** 
      41             :          * Constructs a new SwapBarrier.
      42             :          */
      43         200 :         SwapBarrier() : _nvSwapGroup( 0 ), _nvSwapBarrier( 0 ) {}
      44             : 
      45             :         /** @name Data Access. */
      46             :         //@{
      47         200 :         void setName( const std::string& name ) { _name = name; }
      48         305 :         const std::string getName() const { return _name; }
      49             : 
      50           2 :         uint32_t getNVSwapGroup() const   { return _nvSwapGroup ; }
      51           4 :         void setNVSwapGroup( uint32_t nvGroup ) { _nvSwapGroup = nvGroup; }
      52             : 
      53           2 :         uint32_t getNVSwapBarrier() const { return _nvSwapBarrier; }
      54           4 :         void setNVSwapBarrier( uint32_t nvBarrier ) 
      55           4 :             { _nvSwapBarrier = nvBarrier; }
      56             : 
      57         101 :         bool isNvSwapBarrier() const
      58         101 :             { return ( _nvSwapBarrier || _nvSwapGroup ); }
      59             :         //@}
      60             : 
      61             :     private:
      62             :         std::string _name;
      63             : 
      64             :         uint32_t _nvSwapGroup;
      65             :         uint32_t _nvSwapBarrier;
      66             :     };
      67             : 
      68             :     EQFABRIC_API std::ostream& operator << ( std::ostream&, const SwapBarrier& );
      69             : }
      70             : }
      71             : #endif // EQFABRIC_SWAPBARRIER_H