00001 /* 00002 * Copyright (c) 2012, Willow Garage, Inc. 00003 * All rights reserved. 00004 * 00005 * Redistribution and use in source and binary forms, with or without 00006 * modification, are permitted provided that the following conditions are met: 00007 * 00008 * * Redistributions of source code must retain the above copyright 00009 * notice, this list of conditions and the following disclaimer. 00010 * * Redistributions in binary form must reproduce the above copyright 00011 * notice, this list of conditions and the following disclaimer in the 00012 * documentation and/or other materials provided with the distribution. 00013 * * Neither the name of the Willow Garage, Inc. nor the names of its 00014 * contributors may be used to endorse or promote products derived from 00015 * this software without specific prior written permission. 00016 * 00017 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 00018 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00019 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00020 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 00021 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 00022 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 00023 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 00024 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 00025 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 00026 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00027 * POSSIBILITY OF SUCH DAMAGE. 00028 */ 00029 00030 #include "ogre_render_queue_clearer.h" 00031 00032 #include <OgreRoot.h> 00033 #include <OgrePass.h> 00034 00035 namespace rviz 00036 { 00037 00038 OgreRenderQueueClearer::OgreRenderQueueClearer() { 00039 // TODO Auto-generated constructor stub 00040 00041 } 00042 00043 OgreRenderQueueClearer::~OgreRenderQueueClearer() { 00044 // TODO Auto-generated destructor stub 00045 } 00046 00047 00048 bool OgreRenderQueueClearer::frameStarted (const Ogre::FrameEvent &evt) 00049 { 00050 // Workaround taken from http://www.ogre3d.org/mantis/view.php?id=130 00051 // in case a plugin creates its own scene manager. 00052 // 00053 // Has the following modifications: 00054 // 1. Need to pass 'true' to RenderQueue::clear( bool destroyPassMaps ). 00055 // 2. Don't need to call Ogre::Pass::processPendingPassUpdates(), 00056 // since this is done within RenderQueue::clear(). 00057 00058 // This workaround is only necessary if there is more than one 00059 // scene manager present, so check for that 00060 Ogre::SceneManagerEnumerator::SceneManagerIterator it = Ogre::Root::getSingletonPtr()->getSceneManagerIterator(); 00061 it.getNext(); 00062 if ( !it.hasMoreElements() ) 00063 { 00064 return true; 00065 } 00066 00067 it = Ogre::Root::getSingletonPtr()->getSceneManagerIterator(); 00068 while ( it.hasMoreElements() ) 00069 { 00070 it.getNext()->getRenderQueue()->clear( true ); 00071 } 00072 return true; 00073 } 00074 00075 } 00076