Line data    Source code

       1             : 
       2             : /* Copyright (c) 2013-2016, 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             : namespace eq
      19             : {
      20             : namespace detail
      21             : {
      22           1 : class InitVisitor : public ConfigVisitor
      23             : {
      24             : public:
      25           1 :     InitVisitor(const Strings& activeLayouts, const float modelUnit)
      26           1 :         : _layouts(activeLayouts)
      27             :         , _modelUnit(modelUnit)
      28           1 :         , _update(false)
      29             :     {
      30           1 :     }
      31             : 
      32           1 :     virtual VisitorResult visit(eq::Observer* observer)
      33             :     {
      34           1 :         if (observer->configInit())
      35           1 :             return TRAVERSE_CONTINUE;
      36           0 :         LBWARN << *observer << " initialization failed" << std::endl;
      37           0 :         return TRAVERSE_TERMINATE;
      38             :     }
      39             : 
      40           7 :     virtual VisitorResult visit(eq::View* view)
      41             :     {
      42           7 :         if (view->setModelUnit(_modelUnit))
      43           0 :             _update = true;
      44           7 :         if (view->configInit())
      45           7 :             return TRAVERSE_CONTINUE;
      46           0 :         LBWARN << *view << " initialization failed" << std::endl;
      47           0 :         return TRAVERSE_TERMINATE;
      48             :     }
      49             : 
      50           1 :     virtual VisitorResult visitPre(eq::Canvas* canvas)
      51             :     {
      52           1 :         const Layouts& layouts = canvas->getLayouts();
      53             : 
      54           1 :         for (StringsCIter i = _layouts.begin(); i != _layouts.end(); ++i)
      55             :         {
      56           0 :             const std::string& name = *i;
      57           0 :             for (LayoutsCIter j = layouts.begin(); j != layouts.end(); ++j)
      58             :             {
      59           0 :                 const eq::Layout* layout = *j;
      60           0 :                 if (layout && layout->getName() == name &&
      61           0 :                     canvas->useLayout(j - layouts.begin()))
      62             :                 {
      63           0 :                     _update = true;
      64             :                 }
      65             :             }
      66             :         }
      67           1 :         return TRAVERSE_CONTINUE;
      68             :     }
      69             : 
      70           1 :     bool needsUpdate() const { return _update; }
      71             : private:
      72             :     const Strings& _layouts;
      73             :     const float _modelUnit;
      74             :     bool _update;
      75             : };
      76             : }
      77             : }