ogre_render_queue_clearer.cpp
Go to the documentation of this file.
1 /*
2  * Copyright (c) 2012, Willow Garage, Inc.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions are met:
7  *
8  * * Redistributions of source code must retain the above copyright
9  * notice, this list of conditions and the following disclaimer.
10  * * Redistributions in binary form must reproduce the above copyright
11  * notice, this list of conditions and the following disclaimer in the
12  * documentation and/or other materials provided with the distribution.
13  * * Neither the name of the Willow Garage, Inc. nor the names of its
14  * contributors may be used to endorse or promote products derived from
15  * this software without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
18  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
21  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27  * POSSIBILITY OF SUCH DAMAGE.
28  */
29 
31 
32 #include <OgreRoot.h>
33 #include <OgrePass.h>
34 
35 namespace rviz
36 {
37 
39  // TODO Auto-generated constructor stub
40 
41 }
42 
44  // TODO Auto-generated destructor stub
45 }
46 
47 
48 bool OgreRenderQueueClearer::frameStarted (const Ogre::FrameEvent &evt)
49 {
50  // Workaround taken from http://www.ogre3d.org/mantis/view.php?id=130
51  // in case a plugin creates its own scene manager.
52  //
53  // Has the following modifications:
54  // 1. Need to pass 'true' to RenderQueue::clear( bool destroyPassMaps ).
55  // 2. Don't need to call Ogre::Pass::processPendingPassUpdates(),
56  // since this is done within RenderQueue::clear().
57 
58  // This workaround is only necessary if there is more than one
59  // scene manager present, so check for that
60  Ogre::SceneManagerEnumerator::SceneManagerIterator it = Ogre::Root::getSingletonPtr()->getSceneManagerIterator();
61  it.getNext();
62  if ( !it.hasMoreElements() )
63  {
64  return true;
65  }
66 
67  it = Ogre::Root::getSingletonPtr()->getSceneManagerIterator();
68  while ( it.hasMoreElements() )
69  {
70  it.getNext()->getRenderQueue()->clear( true );
71  }
72  return true;
73 }
74 
75 }
76 
virtual bool frameStarted(const Ogre::FrameEvent &evt)


rviz
Author(s): Dave Hershberger, David Gossow, Josh Faust
autogenerated on Sat Apr 27 2019 02:33:41