Line data    Source code

       1             : 
       2             : /* Copyright (c) 2008-2013, 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             : #include "configUpdateDataVisitor.h"
      19             : 
      20             : #include "channel.h"
      21             : #include "node.h"
      22             : #include "pipe.h"
      23             : #include "view.h"
      24             : #include "window.h"
      25             : 
      26             : namespace eq
      27             : {
      28             : namespace server
      29             : {
      30           2 : ConfigUpdateDataVisitor::ConfigUpdateDataVisitor()
      31             :     : _lastDrawChannel(0)
      32             :     , _lastDrawWindow(0)
      33           2 :     , _lastDrawPipe(0)
      34             : {
      35           2 : }
      36             : 
      37           2 : VisitorResult ConfigUpdateDataVisitor::visitPre(Node*)
      38             : {
      39           2 :     _lastDrawPipe = 0;
      40           2 :     return TRAVERSE_CONTINUE;
      41             : }
      42           2 : VisitorResult ConfigUpdateDataVisitor::visitPost(Node* node)
      43             : {
      44           2 :     node->setLastDrawPipe(_lastDrawPipe);
      45           2 :     return TRAVERSE_CONTINUE;
      46             : }
      47             : 
      48           4 : VisitorResult ConfigUpdateDataVisitor::visitPre(Pipe*)
      49             : {
      50           4 :     _lastDrawWindow = 0;
      51           4 :     return TRAVERSE_CONTINUE;
      52             : }
      53           4 : VisitorResult ConfigUpdateDataVisitor::visitPost(Pipe* pipe)
      54             : {
      55           4 :     pipe->setLastDrawWindow(_lastDrawWindow);
      56           4 :     if (_lastDrawWindow)
      57           4 :         _lastDrawPipe = pipe;
      58           4 :     return TRAVERSE_CONTINUE;
      59             : }
      60             : 
      61           4 : VisitorResult ConfigUpdateDataVisitor::visitPre(Window*)
      62             : {
      63           4 :     _lastDrawChannel = 0;
      64           4 :     return TRAVERSE_CONTINUE;
      65             : }
      66           4 : VisitorResult ConfigUpdateDataVisitor::visitPost(Window* window)
      67             : {
      68           4 :     window->setLastDrawChannel(_lastDrawChannel);
      69           4 :     if (_lastDrawChannel)
      70           4 :         _lastDrawWindow = window;
      71           4 :     return TRAVERSE_CONTINUE;
      72             : }
      73             : 
      74          18 : VisitorResult ConfigUpdateDataVisitor::visit(Channel* channel)
      75             : {
      76          18 :     if (channel->getLastDrawCompound())
      77           4 :         _lastDrawChannel = channel;
      78             : 
      79          18 :     return TRAVERSE_CONTINUE;
      80             : }
      81             : }
      82          60 : }