1515 lines
48 KiB
C++
1515 lines
48 KiB
C++
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
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*
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* This library is open source and may be redistributed and/or modified under
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* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
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* (at your option) any later version. The full license is in LICENSE file
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* included with this distribution, and on the openscenegraph.org website.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* OpenSceneGraph Public License for more details.
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*/
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#include <stdio.h>
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#include <osg/DeleteHandler>
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#include <osg/io_utils>
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#include <osgUtil/Optimizer>
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#include <osgUtil/GLObjectsVisitor>
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#include <osgDB/Registry>
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#include <osgGA/TrackballManipulator>
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#include <osgViewer/Viewer>
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#include <osgViewer/Renderer>
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#include <sstream>
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using namespace osgViewer;
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Viewer::Viewer()
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{
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constructorInit();
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}
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Viewer::Viewer(osg::ArgumentParser& arguments)
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{
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constructorInit();
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while (arguments.read("--SingleThreaded")) setThreadingModel(SingleThreaded);
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while (arguments.read("--CullDrawThreadPerContext")) setThreadingModel(CullDrawThreadPerContext);
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while (arguments.read("--DrawThreadPerContext")) setThreadingModel(DrawThreadPerContext);
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while (arguments.read("--CullThreadPerCameraDrawThreadPerContext")) setThreadingModel(CullThreadPerCameraDrawThreadPerContext);
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osg::DisplaySettings::instance()->readCommandLine(arguments);
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osgDB::readCommandLine(arguments);
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std::string colorStr;
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while (arguments.read("--clear-color",colorStr))
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{
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float r, g, b;
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float a = 1.0f;
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int cnt = sscanf( colorStr.c_str(), "%f,%f,%f,%f", &r, &g, &b, &a );
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if( cnt==3 || cnt==4 ) getCamera()->setClearColor( osg::Vec4(r,g,b,a) );
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else osg::notify(osg::WARN)<<"Invalid clear color \""<<colorStr<<"\""<<std::endl;
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}
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int screenNum = -1;
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while (arguments.read("--screen",screenNum)) {}
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int x = -1, y = -1, width = -1, height = -1;
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while (arguments.read("--window",x,y,width,height)) {}
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if (width>0 && height>0)
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{
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if (screenNum>=0) setUpViewInWindow(x, y, width, height, screenNum);
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else setUpViewInWindow(x,y,width,height);
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}
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else if (screenNum>=0)
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{
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setUpViewOnSingleScreen(screenNum);
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}
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}
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void Viewer::constructorInit()
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{
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_firstFrame = true;
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_done = false;
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_keyEventSetsDone = osgGA::GUIEventAdapter::KEY_Escape;
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_quitEventSetsDone = true;
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_threadingModel = AutomaticSelection;
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_threadsRunning = false;
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_useMainThreadForRenderingTraversal = true;
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_endBarrierPosition = AfterSwapBuffers;
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_numWindowsOpenAtLastSetUpThreading = 0;
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_startTick = 0;
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_frameStamp = new osg::FrameStamp;
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_frameStamp->setFrameNumber(0);
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_frameStamp->setReferenceTime(0);
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_frameStamp->setSimulationTime(0);
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_eventVisitor = new osgGA::EventVisitor;
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_eventVisitor->setActionAdapter(this);
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setStats(new osg::Stats("Viewer"));
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}
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Viewer::~Viewer()
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{
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//osg::notify(osg::NOTICE)<<"Viewer::~Viewer()"<<std::endl;
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Threads threads;
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getAllThreads(threads);
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osg::notify(osg::INFO)<<"Viewer::~Viewer():: start destructor getThreads = "<<threads.size()<<std::endl;
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stopThreading();
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if (_scene.valid() && _scene->getDatabasePager())
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{
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_scene->getDatabasePager()->cancel();
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_scene->setDatabasePager(0);
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}
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Contexts contexts;
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getContexts(contexts);
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// clear out all the previously assigned operations
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for(Contexts::iterator citr = contexts.begin();
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citr != contexts.end();
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++citr)
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{
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(*citr)->close();
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}
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//osg::notify(osg::NOTICE)<<"finish Viewer::~Viewer()"<<std::endl;
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getAllThreads(threads);
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osg::notify(osg::INFO)<<"Viewer::~Viewer() end destrcutor getThreads = "<<threads.size()<<std::endl;
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}
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bool Viewer::isRealized() const
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{
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Contexts contexts;
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const_cast<Viewer*>(this)->getContexts(contexts);
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unsigned int numRealizedWindows = 0;
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// clear out all the previously assigned operations
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for(Contexts::iterator citr = contexts.begin();
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citr != contexts.end();
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++citr)
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{
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if ((*citr)->isRealized()) ++numRealizedWindows;
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}
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return numRealizedWindows > 0;
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}
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int Viewer::run()
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{
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// if we don't have any scene graph assigned then just return
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if (!getSceneData())
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{
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osg::notify(osg::NOTICE)<<"Warning: Viewer::run() called without a scene graph being assigned to the viewer, cannot run."<<std::endl;
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return 1;
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}
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if (!getCameraManipulator() && getCamera()->getAllowEventFocus())
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{
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setCameraManipulator(new osgGA::TrackballManipulator());
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}
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if (!isRealized())
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{
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realize();
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}
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#if 0
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while (!done())
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{
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frame();
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}
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#else
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const char* str = getenv("OSG_RUN_FRAME_COUNT");
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if (str)
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{
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int runTillFrameNumber = atoi(str);
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while (!done() && getFrameStamp()->getFrameNumber()<runTillFrameNumber)
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{
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frame();
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}
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}
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else
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{
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while (!done())
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{
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frame();
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}
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}
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#endif
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return 0;
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}
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void Viewer::setStartTick(osg::Timer_t tick)
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{
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_startTick = tick;
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Contexts contexts;
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getContexts(contexts,false);
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getEventQueue()->setStartTick(_startTick);
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for(Contexts::iterator citr = contexts.begin();
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citr != contexts.end();
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++citr)
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{
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osgViewer::GraphicsWindow* gw = dynamic_cast<osgViewer::GraphicsWindow*>(*citr);
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if (gw)
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{
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gw->getEventQueue()->setStartTick(_startTick);
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}
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}
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}
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void Viewer::setReferenceTime(double time)
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{
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osg::Timer_t tick = osg::Timer::instance()->tick();
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double currentTime = osg::Timer::instance()->delta_s(_startTick, tick);
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double delta_ticks = (time-currentTime)*(osg::Timer::instance()->getSecondsPerTick());
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if (delta_ticks>=0) tick += osg::Timer_t(delta_ticks);
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else tick -= osg::Timer_t(-delta_ticks);
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// assign the new start tick
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setStartTick(tick);
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}
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void Viewer::setSceneData(osg::Node* node)
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{
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_scene = new osgViewer::Scene;
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_scene->setSceneData(node);
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_scene->setFrameStamp(_frameStamp.get());
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if (getSceneData())
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{
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// now make sure the scene graph is set up with the correct DataVariance to protect the dyamic elements of
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// the scene graph from being run in parallel.
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osgUtil::Optimizer::StaticObjectDetectionVisitor sodv;
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getSceneData()->accept(sodv);
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}
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computeActiveCoordinateSystemNodePath();
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setReferenceTime(0.0);
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assignSceneDataToCameras();
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}
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GraphicsWindowEmbedded* Viewer::setUpViewerAsEmbeddedInWindow(int x, int y, int width, int height)
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{
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setThreadingModel(SingleThreaded);
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osgViewer::GraphicsWindowEmbedded* gw = new osgViewer::GraphicsWindowEmbedded(x,y,width,height);
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getCamera()->setViewport(new osg::Viewport(0,0,width,height));
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getCamera()->setProjectionMatrixAsPerspective(30.0f, static_cast<double>(width)/static_cast<double>(height), 1.0f, 10000.0f);
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getCamera()->setGraphicsContext(gw);
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return gw;
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}
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void Viewer::setThreadingModel(ThreadingModel threadingModel)
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{
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if (_threadingModel == threadingModel) return;
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if (_threadsRunning) stopThreading();
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_threadingModel = threadingModel;
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if (isRealized() && _threadingModel!=SingleThreaded) startThreading();
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}
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void Viewer::setUpThreading()
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{
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Contexts contexts;
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getContexts(contexts);
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_numWindowsOpenAtLastSetUpThreading = contexts.size();
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if (_threadingModel==SingleThreaded)
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{
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if (_threadsRunning) stopThreading();
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else
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{
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// we'll set processor affinity here to help single threaded apps
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// with multiple processor cores, and using the database pager.
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int numProcessors = OpenThreads::GetNumberOfProcessors();
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bool affinity = numProcessors>1;
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if (affinity)
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{
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OpenThreads::SetProcessorAffinityOfCurrentThread(0);
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if (_scene.valid() && _scene->getDatabasePager())
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{
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_scene->getDatabasePager()->setProcessorAffinity(1);
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}
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}
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}
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}
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else
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{
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if (!_threadsRunning) startThreading();
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}
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}
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void Viewer::setUseMainThreadForRenderingTraversals(bool flag)
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{
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if (_useMainThreadForRenderingTraversal==flag) return;
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if (_threadsRunning) stopThreading();
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_useMainThreadForRenderingTraversal = flag;
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if (_threadingModel!=SingleThreaded) startThreading();
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}
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void Viewer::setEndBarrierPosition(BarrierPosition bp)
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{
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if (_endBarrierPosition == bp) return;
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if (_threadsRunning) stopThreading();
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_endBarrierPosition = bp;
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if (_threadingModel!=SingleThreaded) startThreading();
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}
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void Viewer::stopThreading()
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{
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if (!_threadsRunning) return;
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osg::notify(osg::INFO)<<"Viewer::stopThreading() - stopping threading"<<std::endl;
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Contexts contexts;
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getContexts(contexts);
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Cameras cameras;
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getCameras(cameras);
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Contexts::iterator gcitr;
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Cameras::iterator citr;
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for(Cameras::iterator camItr = cameras.begin();
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camItr != cameras.end();
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++camItr)
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{
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osg::Camera* camera = *camItr;
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Renderer* renderer = dynamic_cast<Renderer*>(camera->getRenderer());
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if (renderer) renderer->release();
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}
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// delete all the graphics threads.
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for(gcitr = contexts.begin();
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gcitr != contexts.end();
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++gcitr)
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{
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(*gcitr)->setGraphicsThread(0);
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}
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// delete all the camera threads.
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for(citr = cameras.begin();
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citr != cameras.end();
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++citr)
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{
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(*citr)->setCameraThread(0);
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}
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for(Cameras::iterator camItr = cameras.begin();
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camItr != cameras.end();
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++camItr)
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{
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osg::Camera* camera = *camItr;
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Renderer* renderer = dynamic_cast<Renderer*>(camera->getRenderer());
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if (renderer)
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{
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renderer->setGraphicsThreadDoesCull( true );
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renderer->setDone(false);
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}
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}
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int numProcessors = OpenThreads::GetNumberOfProcessors();
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bool affinity = numProcessors>1;
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if (affinity)
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{
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OpenThreads::SetProcessorAffinityOfCurrentThread(0);
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if (_scene.valid() && _scene->getDatabasePager())
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{
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_scene->getDatabasePager()->setProcessorAffinity(1);
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}
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}
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_threadsRunning = false;
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_startRenderingBarrier = 0;
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_endRenderingDispatchBarrier = 0;
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_endDynamicDrawBlock = 0;
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_numWindowsOpenAtLastSetUpThreading = contexts.size();
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osg::notify(osg::INFO)<<"Viewer::stopThreading() - stopped threading."<<std::endl;
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}
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static osg::ApplicationUsageProxy Viewer_e0(osg::ApplicationUsage::ENVIRONMENTAL_VARIABLE,"OSG_THREADING <value>","Set the threading model using by Viewer, <value> can be SingleThreaded, CullDrawThreadPerContext, DrawThreadPerContext or CullThreadPerCameraDrawThreadPerContext.");
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static osg::ApplicationUsageProxy Viewer_e1(osg::ApplicationUsage::ENVIRONMENTAL_VARIABLE,"OSG_SCREEN <value>","Set the default screen that windows should open up on.");
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static osg::ApplicationUsageProxy Viewer_e2(osg::ApplicationUsage::ENVIRONMENTAL_VARIABLE,"OSG_WINDOW x y width height","Set the default window dimensions that windows should open up on.");
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Viewer::ThreadingModel Viewer::suggestBestThreadingModel()
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{
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const char* str = getenv("OSG_THREADING");
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if (str)
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{
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if (strcmp(str,"SingleThreaded")==0) return SingleThreaded;
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else if (strcmp(str,"CullDrawThreadPerContext")==0) return CullDrawThreadPerContext;
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else if (strcmp(str,"DrawThreadPerContext")==0) return DrawThreadPerContext;
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else if (strcmp(str,"CullThreadPerCameraDrawThreadPerContext")==0) return CullThreadPerCameraDrawThreadPerContext;
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}
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Contexts contexts;
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getContexts(contexts);
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if (contexts.empty()) return SingleThreaded;
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#if 0
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// temporary hack to disable multi-threading under Windows till we find good solutions for
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// crashes that users are seeing.
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return SingleThreaded;
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#endif
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Cameras cameras;
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getCameras(cameras);
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if (cameras.empty()) return SingleThreaded;
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int numProcessors = OpenThreads::GetNumberOfProcessors();
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if (contexts.size()==1)
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{
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if (numProcessors==1) return SingleThreaded;
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else return DrawThreadPerContext;
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}
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#if 0
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if (numProcessors >= static_cast<int>(cameras.size()+contexts.size()))
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{
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return CullThreadPerCameraDrawThreadPerContext;
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}
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#endif
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return DrawThreadPerContext;
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}
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void Viewer::startThreading()
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{
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if (_threadsRunning) return;
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osg::notify(osg::INFO)<<"Viewer::startThreading() - starting threading"<<std::endl;
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// release any context held by the main thread.
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releaseContext();
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_threadingModel = _threadingModel==AutomaticSelection ? suggestBestThreadingModel() : _threadingModel;
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Contexts contexts;
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getContexts(contexts);
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osg::notify(osg::INFO)<<"Viewer::startThreading() - contexts.size()="<<contexts.size()<<std::endl;
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Cameras cameras;
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getCameras(cameras);
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unsigned int numThreadsOnBarrier = 0;
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switch(_threadingModel)
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{
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case(SingleThreaded):
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numThreadsOnBarrier = 1;
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return;
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case(CullDrawThreadPerContext):
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numThreadsOnBarrier = contexts.size()+1;
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break;
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case(DrawThreadPerContext):
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numThreadsOnBarrier = 1;
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break;
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case(CullThreadPerCameraDrawThreadPerContext):
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numThreadsOnBarrier = _useMainThreadForRenderingTraversal ? cameras.size() : cameras.size()+1;
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break;
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default:
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osg::notify(osg::NOTICE)<<"Error: Threading model not selected"<<std::endl;
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return;
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}
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// using multi-threading so make sure that new objects are allocated with thread safe ref/unref
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osg::Referenced::setThreadSafeReferenceCounting(true);
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if (getSceneData())
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{
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osg::notify(osg::INFO)<<"Making scene thread safe"<<std::endl;
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// make sure that existing scene graph objects are allocated with thread safe ref/unref
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getSceneData()->setThreadSafeRefUnref(true);
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// update the scene graph so that it has enough GL object buffer memory for the graphics contexts that will be using it.
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getSceneData()->resizeGLObjectBuffers(osg::DisplaySettings::instance()->getMaxNumberOfGraphicsContexts());
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}
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int numProcessors = OpenThreads::GetNumberOfProcessors();
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bool affinity = numProcessors>1;
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Contexts::iterator citr;
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unsigned int numViewerDoubleBufferedRenderingOperation = 0;
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bool graphicsThreadsDoesCull = _threadingModel == CullDrawThreadPerContext || _threadingModel==SingleThreaded;
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for(Cameras::iterator camItr = cameras.begin();
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camItr != cameras.end();
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++camItr)
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{
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osg::Camera* camera = *camItr;
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Renderer* renderer = dynamic_cast<Renderer*>(camera->getRenderer());
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renderer->setGraphicsThreadDoesCull(graphicsThreadsDoesCull);
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renderer->setDone(false);
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++numViewerDoubleBufferedRenderingOperation;
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}
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if (_threadingModel==CullDrawThreadPerContext)
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{
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_startRenderingBarrier = 0;
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_endRenderingDispatchBarrier = 0;
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_endDynamicDrawBlock = 0;
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}
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else if (_threadingModel==DrawThreadPerContext ||
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_threadingModel==CullThreadPerCameraDrawThreadPerContext)
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{
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_startRenderingBarrier = 0;
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_endRenderingDispatchBarrier = 0;
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_endDynamicDrawBlock = new EndOfDynamicDrawBlock(numViewerDoubleBufferedRenderingOperation);
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|
if (!osg::Referenced::getDeleteHandler()) osg::Referenced::setDeleteHandler(new osg::DeleteHandler(2));
|
|
else osg::Referenced::getDeleteHandler()->setNumFramesToRetainObjects(2);
|
|
}
|
|
|
|
if (numThreadsOnBarrier>1)
|
|
{
|
|
_startRenderingBarrier = new osg::BarrierOperation(numThreadsOnBarrier, osg::BarrierOperation::NO_OPERATION);
|
|
_endRenderingDispatchBarrier = new osg::BarrierOperation(numThreadsOnBarrier, osg::BarrierOperation::NO_OPERATION);
|
|
}
|
|
|
|
|
|
osg::ref_ptr<osg::BarrierOperation> swapReadyBarrier = contexts.empty() ? 0 : new osg::BarrierOperation(contexts.size(), osg::BarrierOperation::NO_OPERATION);
|
|
|
|
osg::ref_ptr<osg::SwapBuffersOperation> swapOp = new osg::SwapBuffersOperation();
|
|
|
|
typedef std::map<OpenThreads::Thread*, int> ThreadAffinityMap;
|
|
ThreadAffinityMap threadAffinityMap;
|
|
|
|
unsigned int processNum = 1;
|
|
for(citr = contexts.begin();
|
|
citr != contexts.end();
|
|
++citr, ++processNum)
|
|
{
|
|
osg::GraphicsContext* gc = (*citr);
|
|
|
|
gc->getState()->setDynamicObjectRenderingCompletedCallback(_endDynamicDrawBlock.get());
|
|
|
|
// create the a graphics thread for this context
|
|
gc->createGraphicsThread();
|
|
|
|
if (affinity) gc->getGraphicsThread()->setProcessorAffinity(processNum % numProcessors);
|
|
threadAffinityMap[gc->getGraphicsThread()] = processNum % numProcessors;
|
|
|
|
gc->getGraphicsThread()->add(new osgUtil::GLObjectsOperation());
|
|
|
|
// add the startRenderingBarrier
|
|
if (_threadingModel==CullDrawThreadPerContext && _startRenderingBarrier.valid()) gc->getGraphicsThread()->add(_startRenderingBarrier.get());
|
|
|
|
// add the rendering operation itself.
|
|
gc->getGraphicsThread()->add(new osg::RunOperations());
|
|
|
|
if (_threadingModel==CullDrawThreadPerContext && _endBarrierPosition==BeforeSwapBuffers && _endRenderingDispatchBarrier.valid())
|
|
{
|
|
// add the endRenderingDispatchBarrier
|
|
gc->getGraphicsThread()->add(_endRenderingDispatchBarrier.get());
|
|
}
|
|
|
|
if (swapReadyBarrier.valid()) gc->getGraphicsThread()->add(swapReadyBarrier.get());
|
|
|
|
// add the swap buffers
|
|
gc->getGraphicsThread()->add(swapOp.get());
|
|
|
|
if (_threadingModel==CullDrawThreadPerContext && _endBarrierPosition==AfterSwapBuffers && _endRenderingDispatchBarrier.valid())
|
|
{
|
|
// add the endRenderingDispatchBarrier
|
|
gc->getGraphicsThread()->add(_endRenderingDispatchBarrier.get());
|
|
}
|
|
|
|
}
|
|
|
|
if (_threadingModel==CullThreadPerCameraDrawThreadPerContext && numThreadsOnBarrier>1)
|
|
{
|
|
Cameras::iterator camItr = cameras.begin();
|
|
if (_useMainThreadForRenderingTraversal) ++camItr;
|
|
|
|
for(;
|
|
camItr != cameras.end();
|
|
++camItr, ++processNum)
|
|
{
|
|
osg::Camera* camera = *camItr;
|
|
camera->createCameraThread();
|
|
|
|
if (affinity) camera->getCameraThread()->setProcessorAffinity(processNum % numProcessors);
|
|
threadAffinityMap[camera->getCameraThread()] = processNum % numProcessors;
|
|
|
|
osg::GraphicsContext* gc = camera->getGraphicsContext();
|
|
|
|
// add the startRenderingBarrier
|
|
if (_startRenderingBarrier.valid()) camera->getCameraThread()->add(_startRenderingBarrier.get());
|
|
|
|
Renderer* renderer = dynamic_cast<Renderer*>(camera->getRenderer());
|
|
renderer->setGraphicsThreadDoesCull(true);
|
|
camera->getCameraThread()->add(renderer);
|
|
|
|
if (_endRenderingDispatchBarrier.valid())
|
|
{
|
|
// add the endRenderingDispatchBarrier
|
|
gc->getGraphicsThread()->add(_endRenderingDispatchBarrier.get());
|
|
}
|
|
|
|
}
|
|
|
|
for(camItr = cameras.begin();
|
|
camItr != cameras.end();
|
|
++camItr)
|
|
{
|
|
osg::Camera* camera = *camItr;
|
|
if (camera->getCameraThread() && !camera->getCameraThread()->isRunning())
|
|
{
|
|
osg::notify(osg::INFO)<<" camera->getCameraThread()-> "<<camera->getCameraThread()<<std::endl;
|
|
camera->getCameraThread()->startThread();
|
|
}
|
|
}
|
|
}
|
|
|
|
if (affinity)
|
|
{
|
|
OpenThreads::SetProcessorAffinityOfCurrentThread(0);
|
|
if (_scene.valid() && _scene->getDatabasePager())
|
|
{
|
|
#if 0
|
|
_scene->getDatabasePager()->setProcessorAffinity(1);
|
|
#else
|
|
_scene->getDatabasePager()->setProcessorAffinity(0);
|
|
#endif
|
|
}
|
|
}
|
|
|
|
#if 0
|
|
if (affinity)
|
|
{
|
|
for(ThreadAffinityMap::iterator titr = threadAffinityMap.begin();
|
|
titr != threadAffinityMap.end();
|
|
++titr)
|
|
{
|
|
titr->first->setProcessorAffinity(titr->second);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
|
|
for(citr = contexts.begin();
|
|
citr != contexts.end();
|
|
++citr)
|
|
{
|
|
osg::GraphicsContext* gc = (*citr);
|
|
if (gc->getGraphicsThread() && !gc->getGraphicsThread()->isRunning())
|
|
{
|
|
osg::notify(osg::INFO)<<" gc->getGraphicsThread()->startThread() "<<gc->getGraphicsThread()<<std::endl;
|
|
gc->getGraphicsThread()->startThread();
|
|
// OpenThreads::Thread::YieldCurrentThread();
|
|
}
|
|
}
|
|
|
|
_threadsRunning = true;
|
|
_numWindowsOpenAtLastSetUpThreading = contexts.size();
|
|
|
|
osg::notify(osg::INFO)<<"Set up threading"<<std::endl;
|
|
}
|
|
|
|
void Viewer::checkWindowStatus()
|
|
{
|
|
Contexts contexts;
|
|
getContexts(contexts);
|
|
|
|
// osg::notify(osg::NOTICE)<<"Viewer::checkWindowStatus() - "<<contexts.size()<<std::endl;
|
|
|
|
if (contexts.size()==0)
|
|
{
|
|
_done = true;
|
|
if (areThreadsRunning()) stopThreading();
|
|
}
|
|
}
|
|
|
|
|
|
struct LessGraphicsContext
|
|
{
|
|
bool operator () (const osg::GraphicsContext* lhs, const osg::GraphicsContext* rhs) const
|
|
{
|
|
int screenLeft = lhs->getTraits()? lhs->getTraits()->screenNum : 0;
|
|
int screenRight = rhs->getTraits()? rhs->getTraits()->screenNum : 0;
|
|
if (screenLeft < screenRight) return true;
|
|
if (screenLeft > screenRight) return false;
|
|
|
|
screenLeft = lhs->getTraits()? lhs->getTraits()->x : 0;
|
|
screenRight = rhs->getTraits()? rhs->getTraits()->x : 0;
|
|
if (screenLeft < screenRight) return true;
|
|
if (screenLeft > screenRight) return false;
|
|
|
|
screenLeft = lhs->getTraits()? lhs->getTraits()->y : 0;
|
|
screenRight = rhs->getTraits()? rhs->getTraits()->y : 0;
|
|
if (screenLeft < screenRight) return true;
|
|
if (screenLeft > screenRight) return false;
|
|
|
|
return lhs < rhs;
|
|
}
|
|
};
|
|
|
|
void Viewer::getContexts(Contexts& contexts, bool onlyValid)
|
|
{
|
|
typedef std::set<osg::GraphicsContext*> ContextSet;
|
|
ContextSet contextSet;
|
|
|
|
if (_camera.valid() &&
|
|
_camera->getGraphicsContext() &&
|
|
(_camera->getGraphicsContext()->valid() || !onlyValid))
|
|
{
|
|
contextSet.insert(_camera->getGraphicsContext());
|
|
}
|
|
|
|
for(unsigned int i=0; i<getNumSlaves(); ++i)
|
|
{
|
|
Slave& slave = getSlave(i);
|
|
if (slave._camera.valid() &&
|
|
slave._camera->getGraphicsContext() &&
|
|
(slave._camera->getGraphicsContext()->valid() || !onlyValid))
|
|
{
|
|
contextSet.insert(slave._camera->getGraphicsContext());
|
|
}
|
|
}
|
|
|
|
contexts.clear();
|
|
contexts.reserve(contextSet.size());
|
|
|
|
for(ContextSet::iterator itr = contextSet.begin();
|
|
itr != contextSet.end();
|
|
++itr)
|
|
{
|
|
contexts.push_back(const_cast<osg::GraphicsContext*>(*itr));
|
|
}
|
|
|
|
if (contexts.size()>=2)
|
|
{
|
|
std::sort(contexts.begin(), contexts.end(), LessGraphicsContext());
|
|
}
|
|
}
|
|
|
|
void Viewer::getWindows(Windows& windows, bool onlyValid)
|
|
{
|
|
windows.clear();
|
|
|
|
Contexts contexts;
|
|
getContexts(contexts, onlyValid);
|
|
|
|
for(Contexts::iterator itr = contexts.begin();
|
|
itr != contexts.end();
|
|
++itr)
|
|
{
|
|
osgViewer::GraphicsWindow* gw = dynamic_cast<osgViewer::GraphicsWindow*>(*itr);
|
|
if (gw) windows.push_back(gw);
|
|
}
|
|
}
|
|
|
|
void Viewer::getCameras(Cameras& cameras, bool onlyActive)
|
|
{
|
|
cameras.clear();
|
|
|
|
if (!onlyActive || (_camera->getGraphicsContext() && _camera->getGraphicsContext()->valid()) ) cameras.push_back(_camera.get());
|
|
|
|
for(Slaves::iterator itr = _slaves.begin();
|
|
itr != _slaves.end();
|
|
++itr)
|
|
{
|
|
if (!onlyActive || (itr->_camera->getGraphicsContext() && itr->_camera->getGraphicsContext()->valid()) ) cameras.push_back(itr->_camera.get());
|
|
}
|
|
|
|
}
|
|
|
|
void Viewer::getAllThreads(Threads& threads, bool onlyActive)
|
|
{
|
|
OperationThreads operationThreads;
|
|
getOperationThreads(operationThreads);
|
|
|
|
for(OperationThreads::iterator itr = operationThreads.begin();
|
|
itr != operationThreads.end();
|
|
++itr)
|
|
{
|
|
threads.push_back(*itr);
|
|
}
|
|
|
|
if (_scene.valid() &&
|
|
_scene->getDatabasePager() &&
|
|
(!onlyActive || _scene->getDatabasePager()->isRunning()))
|
|
{
|
|
threads.push_back(_scene->getDatabasePager());
|
|
}
|
|
}
|
|
|
|
|
|
void Viewer::getOperationThreads(OperationThreads& threads, bool onlyActive)
|
|
{
|
|
threads.clear();
|
|
|
|
Contexts contexts;
|
|
getContexts(contexts);
|
|
for(Contexts::iterator gcitr = contexts.begin();
|
|
gcitr != contexts.end();
|
|
++gcitr)
|
|
{
|
|
osg::GraphicsContext* gc = *gcitr;
|
|
if (gc->getGraphicsThread() &&
|
|
(!onlyActive || gc->getGraphicsThread()->isRunning()) )
|
|
{
|
|
threads.push_back(gc->getGraphicsThread());
|
|
}
|
|
}
|
|
|
|
Cameras cameras;
|
|
getCameras(cameras);
|
|
for(Cameras::iterator citr = cameras.begin();
|
|
citr != cameras.end();
|
|
++citr)
|
|
{
|
|
osg::Camera* camera = *citr;
|
|
if (camera->getCameraThread() &&
|
|
(!onlyActive || camera->getCameraThread()->isRunning()) )
|
|
{
|
|
threads.push_back(camera->getCameraThread());
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
|
|
void Viewer::realize()
|
|
{
|
|
//osg::notify(osg::INFO)<<"Viewer::realize()"<<std::endl;
|
|
|
|
setCameraWithFocus(0);
|
|
|
|
Contexts contexts;
|
|
getContexts(contexts);
|
|
|
|
if (contexts.empty())
|
|
{
|
|
osg::notify(osg::INFO)<<"Viewer::realize() - No valid contexts found, setting up view across all screens."<<std::endl;
|
|
|
|
// no windows are already set up so set up a default view
|
|
|
|
const char* ptr = 0;
|
|
int screenNum = -1;
|
|
if ((ptr = getenv("OSG_SCREEN")) != 0)
|
|
{
|
|
if (strlen(ptr)!=0) screenNum = atoi(ptr);
|
|
else screenNum = -1;
|
|
}
|
|
|
|
int x = -1, y = -1, width = -1, height = -1;
|
|
if ((ptr = getenv("OSG_WINDOW")) != 0)
|
|
{
|
|
std::istringstream iss(ptr);
|
|
iss >> x >> y >> width >> height;
|
|
}
|
|
|
|
if (width>0 && height>0)
|
|
{
|
|
if (screenNum>=0) setUpViewInWindow(x, y, width, height, screenNum);
|
|
else setUpViewInWindow(x,y,width,height);
|
|
}
|
|
else if (screenNum>=0)
|
|
{
|
|
setUpViewOnSingleScreen(screenNum);
|
|
}
|
|
else
|
|
{
|
|
setUpViewAcrossAllScreens();
|
|
}
|
|
|
|
getContexts(contexts);
|
|
}
|
|
|
|
if (contexts.empty())
|
|
{
|
|
osg::notify(osg::NOTICE)<<"Viewer::realize() - failed to set up any windows"<<std::endl;
|
|
_done = true;
|
|
return;
|
|
}
|
|
|
|
for(Contexts::iterator citr = contexts.begin();
|
|
citr != contexts.end();
|
|
++citr)
|
|
{
|
|
osg::GraphicsContext* gc = *citr;
|
|
gc->realize();
|
|
|
|
if (_realizeOperation.valid() && gc->valid())
|
|
{
|
|
gc->makeCurrent();
|
|
|
|
(*_realizeOperation)(gc);
|
|
|
|
gc->releaseContext();
|
|
}
|
|
}
|
|
|
|
bool grabFocus = true;
|
|
if (grabFocus)
|
|
{
|
|
for(Contexts::iterator citr = contexts.begin();
|
|
citr != contexts.end();
|
|
++citr)
|
|
{
|
|
osgViewer::GraphicsWindow* gw = dynamic_cast<osgViewer::GraphicsWindow*>(*citr);
|
|
if (gw)
|
|
{
|
|
gw->grabFocusIfPointerInWindow();
|
|
}
|
|
}
|
|
}
|
|
|
|
// initialize the global timer to be relative to the current time.
|
|
osg::Timer::instance()->setStartTick();
|
|
|
|
// pass on the start tick to all the associated eventqueues
|
|
setStartTick(osg::Timer::instance()->getStartTick());
|
|
|
|
setUpThreading();
|
|
}
|
|
|
|
|
|
void Viewer::frame(double simulationTime)
|
|
{
|
|
if (_done) return;
|
|
|
|
// osg::notify(osg::NOTICE)<<std::endl<<"Viewer::frame()"<<std::endl<<std::endl;
|
|
|
|
if (_firstFrame)
|
|
{
|
|
init();
|
|
|
|
if (!isRealized())
|
|
{
|
|
realize();
|
|
}
|
|
|
|
_firstFrame = false;
|
|
}
|
|
advance(simulationTime);
|
|
|
|
eventTraversal();
|
|
updateTraversal();
|
|
renderingTraversals();
|
|
}
|
|
|
|
void Viewer::advance(double simulationTime)
|
|
{
|
|
if (_done) return;
|
|
|
|
double prevousReferenceTime = _frameStamp->getReferenceTime();
|
|
int previousFrameNumber = _frameStamp->getFrameNumber();
|
|
|
|
_frameStamp->setFrameNumber(_frameStamp->getFrameNumber()+1);
|
|
|
|
_frameStamp->setReferenceTime( osg::Timer::instance()->delta_s(_startTick, osg::Timer::instance()->tick()) );
|
|
|
|
if (simulationTime==USE_REFERENCE_TIME)
|
|
{
|
|
_frameStamp->setSimulationTime(_frameStamp->getReferenceTime());
|
|
}
|
|
else
|
|
{
|
|
_frameStamp->setSimulationTime(simulationTime);
|
|
}
|
|
|
|
if (getStats() && getStats()->collectStats("frame_rate"))
|
|
{
|
|
// update previous frame stats
|
|
double deltaFrameTime = _frameStamp->getReferenceTime() - prevousReferenceTime;
|
|
getStats()->setAttribute(previousFrameNumber, "Frame duration", deltaFrameTime);
|
|
getStats()->setAttribute(previousFrameNumber, "Frame rate", 1.0/deltaFrameTime);
|
|
|
|
// update current frames stats
|
|
getStats()->setAttribute(_frameStamp->getFrameNumber(), "Reference time", _frameStamp->getReferenceTime());
|
|
}
|
|
|
|
if (osg::Referenced::getDeleteHandler())
|
|
{
|
|
osg::Referenced::getDeleteHandler()->flush();
|
|
osg::Referenced::getDeleteHandler()->setFrameNumber(_frameStamp->getFrameNumber());
|
|
}
|
|
|
|
}
|
|
|
|
void Viewer::eventTraversal()
|
|
{
|
|
if (_done) return;
|
|
|
|
double beginEventTraversal = osg::Timer::instance()->delta_s(_startTick, osg::Timer::instance()->tick());
|
|
|
|
// osg::notify(osg::NOTICE)<<"Viewer::frameEventTraversal()."<<std::endl;
|
|
|
|
// need to copy events from the GraphicsWindow's into local EventQueue;
|
|
osgGA::EventQueue::Events events;
|
|
|
|
Contexts contexts;
|
|
getContexts(contexts);
|
|
|
|
osgGA::GUIEventAdapter* eventState = getEventQueue()->getCurrentEventState();
|
|
osg::Matrix masterCameraVPW = getCamera()->getViewMatrix() * getCamera()->getProjectionMatrix();
|
|
if (getCamera()->getViewport())
|
|
{
|
|
osg::Viewport* viewport = getCamera()->getViewport();
|
|
masterCameraVPW *= viewport->computeWindowMatrix();
|
|
eventState->setInputRange( viewport->x(), viewport->y(), viewport->x() + viewport->width(), viewport->y() + viewport->height());
|
|
}
|
|
else
|
|
{
|
|
eventState->setInputRange(-1.0, -1.0, 1.0, 1.0);
|
|
}
|
|
|
|
|
|
for(Contexts::iterator citr = contexts.begin();
|
|
citr != contexts.end();
|
|
++citr)
|
|
{
|
|
osgViewer::GraphicsWindow* gw = dynamic_cast<osgViewer::GraphicsWindow*>(*citr);
|
|
if (gw)
|
|
{
|
|
gw->checkEvents();
|
|
|
|
osgGA::EventQueue::Events gw_events;
|
|
gw->getEventQueue()->takeEvents(gw_events);
|
|
|
|
osgGA::EventQueue::Events::iterator itr;
|
|
for(itr = gw_events.begin();
|
|
itr != gw_events.end();
|
|
++itr)
|
|
{
|
|
osgGA::GUIEventAdapter* event = itr->get();
|
|
|
|
bool pointerEvent = false;
|
|
|
|
float x = event->getX();
|
|
float y = event->getY();
|
|
|
|
bool invert_y = event->getMouseYOrientation()==osgGA::GUIEventAdapter::Y_INCREASING_DOWNWARDS;
|
|
if (invert_y && gw->getTraits()) y = gw->getTraits()->height - y;
|
|
|
|
switch(event->getEventType())
|
|
{
|
|
case(osgGA::GUIEventAdapter::PUSH):
|
|
case(osgGA::GUIEventAdapter::RELEASE):
|
|
case(osgGA::GUIEventAdapter::DRAG):
|
|
case(osgGA::GUIEventAdapter::MOVE):
|
|
{
|
|
pointerEvent = true;
|
|
|
|
if (event->getEventType()!=osgGA::GUIEventAdapter::DRAG || !getCameraWithFocus())
|
|
{
|
|
osg::GraphicsContext::Cameras& cameras = gw->getCameras();
|
|
for(osg::GraphicsContext::Cameras::iterator citr = cameras.begin();
|
|
citr != cameras.end();
|
|
++citr)
|
|
{
|
|
osg::Camera* camera = *citr;
|
|
if (camera->getView()==this &&
|
|
camera->getAllowEventFocus() &&
|
|
camera->getRenderTargetImplementation()==osg::Camera::FRAME_BUFFER)
|
|
{
|
|
osg::Viewport* viewport = camera ? camera->getViewport() : 0;
|
|
if (viewport &&
|
|
x >= viewport->x() && y >= viewport->y() &&
|
|
x <= (viewport->x()+viewport->width()) && y <= (viewport->y()+viewport->height()) )
|
|
{
|
|
// osg::notify(osg::NOTICE)<<"setCamera with focus "<<camera->getName()<<" x="<<x<<" y="<<y<<std::endl;
|
|
setCameraWithFocus(camera);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
break;
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (pointerEvent)
|
|
{
|
|
if (getCameraWithFocus())
|
|
{
|
|
osg::Viewport* viewport = getCameraWithFocus()->getViewport();
|
|
osg::Matrix localCameraVPW = getCameraWithFocus()->getViewMatrix() * getCameraWithFocus()->getProjectionMatrix();
|
|
if (viewport) localCameraVPW *= viewport->computeWindowMatrix();
|
|
|
|
osg::Matrix matrix( osg::Matrix::inverse(localCameraVPW) * masterCameraVPW );
|
|
|
|
osg::Vec3d new_coord = osg::Vec3d(x,y,0.0) * matrix;
|
|
|
|
x = new_coord.x();
|
|
y = new_coord.y();
|
|
|
|
// osg::notify(osg::NOTICE)<<"pointer event new_coord.x()="<<new_coord.x()<<" new_coord.y()="<<new_coord.y()<<std::endl;
|
|
|
|
event->setInputRange(eventState->getXmin(), eventState->getYmin(), eventState->getXmax(), eventState->getYmax());
|
|
event->setX(x);
|
|
event->setY(y);
|
|
event->setMouseYOrientation(osgGA::GUIEventAdapter::Y_INCREASING_UPWARDS);
|
|
|
|
}
|
|
else
|
|
{
|
|
x = eventState->getXmin() + (x/double(gw->getTraits()->width))*(eventState->getXmax() - eventState->getXmin());
|
|
y = eventState->getYmin() + (y/double(gw->getTraits()->height))*(eventState->getYmax() - eventState->getYmin());
|
|
// osg::notify(osg::NOTICE)<<"new x = "<<x<<" new y = "<<y<<std::endl;
|
|
|
|
event->setInputRange(eventState->getXmin(), eventState->getYmin(), eventState->getXmax(), eventState->getYmax());
|
|
event->setX(x);
|
|
event->setY(y);
|
|
event->setMouseYOrientation(osgGA::GUIEventAdapter::Y_INCREASING_UPWARDS);
|
|
}
|
|
|
|
// pass along the new pointer events details to the eventState of the viewer
|
|
eventState->setX(x);
|
|
eventState->setY(y);
|
|
eventState->setButtonMask(event->getButtonMask());
|
|
eventState->setMouseYOrientation(osgGA::GUIEventAdapter::Y_INCREASING_UPWARDS);
|
|
|
|
}
|
|
else
|
|
{
|
|
event->setInputRange(eventState->getXmin(), eventState->getYmin(), eventState->getXmax(), eventState->getYmax());
|
|
event->setX(eventState->getX());
|
|
event->setY(eventState->getY());
|
|
event->setButtonMask(eventState->getButtonMask());
|
|
event->setMouseYOrientation(eventState->getMouseYOrientation());
|
|
}
|
|
//osg::notify(osg::NOTICE)<<" mouse x = "<<event->getX()<<" y="<<event->getY()<<std::endl;
|
|
// osg::notify(osg::NOTICE)<<" mouse Xmin = "<<event->getXmin()<<" Ymin="<<event->getYmin()<<" xMax="<<event->getXmax()<<" Ymax="<<event->getYmax()<<std::endl;
|
|
}
|
|
|
|
for(itr = gw_events.begin();
|
|
itr != gw_events.end();
|
|
++itr)
|
|
{
|
|
osgGA::GUIEventAdapter* event = itr->get();
|
|
switch(event->getEventType())
|
|
{
|
|
case(osgGA::GUIEventAdapter::CLOSE_WINDOW):
|
|
{
|
|
bool wasThreading = areThreadsRunning();
|
|
if (wasThreading) stopThreading();
|
|
|
|
gw->close();
|
|
_currentContext = NULL;
|
|
|
|
if (wasThreading) startThreading();
|
|
|
|
break;
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
events.insert(events.end(), gw_events.begin(), gw_events.end());
|
|
|
|
}
|
|
}
|
|
|
|
|
|
// osg::notify(osg::NOTICE)<<"mouseEventState Xmin = "<<eventState->getXmin()<<" Ymin="<<eventState->getYmin()<<" xMax="<<eventState->getXmax()<<" Ymax="<<eventState->getYmax()<<std::endl;
|
|
|
|
|
|
_eventQueue->frame( getFrameStamp()->getReferenceTime() );
|
|
_eventQueue->takeEvents(events);
|
|
|
|
|
|
#if 0
|
|
// osg::notify(osg::NOTICE)<<"Events "<<events.size()<<std::endl;
|
|
for(osgGA::EventQueue::Events::iterator itr = events.begin();
|
|
itr != events.end();
|
|
++itr)
|
|
{
|
|
osgGA::GUIEventAdapter* event = itr->get();
|
|
switch(event->getEventType())
|
|
{
|
|
case(osgGA::GUIEventAdapter::PUSH):
|
|
osg::notify(osg::NOTICE)<<" PUSH "<<event->getButton()<<" x="<<event->getX()<<" y="<<event->getY()<<std::endl;
|
|
break;
|
|
case(osgGA::GUIEventAdapter::RELEASE):
|
|
osg::notify(osg::NOTICE)<<" RELEASE "<<event->getButton()<<" x="<<event->getX()<<" y="<<event->getY()<<std::endl;
|
|
break;
|
|
case(osgGA::GUIEventAdapter::DRAG):
|
|
osg::notify(osg::NOTICE)<<" DRAG "<<event->getButtonMask()<<" x="<<event->getX()<<" y="<<event->getY()<<std::endl;
|
|
break;
|
|
case(osgGA::GUIEventAdapter::MOVE):
|
|
osg::notify(osg::NOTICE)<<" MOVE "<<event->getButtonMask()<<" x="<<event->getX()<<" y="<<event->getY()<<std::endl;
|
|
break;
|
|
case(osgGA::GUIEventAdapter::SCROLL):
|
|
osg::notify(osg::NOTICE)<<" SCROLL "<<event->getScrollingMotion()<<std::endl;
|
|
break;
|
|
case(osgGA::GUIEventAdapter::KEYDOWN):
|
|
osg::notify(osg::NOTICE)<<" KEYDOWN '"<<(char)event->getKey()<<"'"<<std::endl;
|
|
break;
|
|
case(osgGA::GUIEventAdapter::KEYUP):
|
|
osg::notify(osg::NOTICE)<<" KEYUP '"<<(char)event->getKey()<<"'"<<std::endl;
|
|
break;
|
|
case(osgGA::GUIEventAdapter::RESIZE):
|
|
osg::notify(osg::NOTICE)<<" RESIZE "<<event->getWindowX()<<"/"<<event->getWindowY()<<" x "<<event->getWindowWidth()<<"/"<<event->getWindowHeight() << std::endl;
|
|
break;
|
|
case(osgGA::GUIEventAdapter::QUIT_APPLICATION):
|
|
osg::notify(osg::NOTICE)<<" QUIT_APPLICATION " << std::endl;
|
|
break;
|
|
case(osgGA::GUIEventAdapter::FRAME):
|
|
// osg::notify(osg::NOTICE)<<" FRAME "<<std::endl;
|
|
break;
|
|
default:
|
|
// osg::notify(osg::NOTICE)<<" Event not handled"<<std::endl;
|
|
break;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
// osg::notify(osg::NOTICE)<<"Events "<<events.size()<<std::endl;
|
|
|
|
if ((_keyEventSetsDone!=0) || _quitEventSetsDone)
|
|
{
|
|
for(osgGA::EventQueue::Events::iterator itr = events.begin();
|
|
itr != events.end();
|
|
++itr)
|
|
{
|
|
osgGA::GUIEventAdapter* event = itr->get();
|
|
switch(event->getEventType())
|
|
{
|
|
case(osgGA::GUIEventAdapter::KEYUP):
|
|
if (_keyEventSetsDone && event->getKey()==_keyEventSetsDone) _done = true;
|
|
break;
|
|
|
|
case(osgGA::GUIEventAdapter::QUIT_APPLICATION):
|
|
if (_quitEventSetsDone) _done = true;
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (_done) return;
|
|
|
|
for(osgGA::EventQueue::Events::iterator itr = events.begin();
|
|
itr != events.end();
|
|
++itr)
|
|
{
|
|
osgGA::GUIEventAdapter* event = itr->get();
|
|
|
|
for(EventHandlers::iterator hitr = _eventHandlers.begin();
|
|
hitr != _eventHandlers.end();
|
|
++hitr)
|
|
{
|
|
if ((*hitr)->handle( *event, *this, 0, 0)) event->setHandled(true);
|
|
}
|
|
|
|
if (_cameraManipulator.valid())
|
|
{
|
|
if (_cameraManipulator->handle( *event, *this)) event->setHandled(true);
|
|
}
|
|
|
|
}
|
|
|
|
if (_eventVisitor.valid() && _scene.valid())
|
|
{
|
|
_eventVisitor->setFrameStamp(getFrameStamp());
|
|
_eventVisitor->setTraversalNumber(getFrameStamp()->getFrameNumber());
|
|
|
|
for(osgGA::EventQueue::Events::iterator itr = events.begin();
|
|
itr != events.end();
|
|
++itr)
|
|
{
|
|
osgGA::GUIEventAdapter* event = itr->get();
|
|
|
|
_eventVisitor->reset();
|
|
_eventVisitor->addEvent( event );
|
|
|
|
getSceneData()->accept(*_eventVisitor);
|
|
|
|
// call any camera update callbacks, but only traverse that callback, don't traverse its subgraph
|
|
// leave that to the scene update traversal.
|
|
osg::NodeVisitor::TraversalMode tm = _eventVisitor->getTraversalMode();
|
|
_eventVisitor->setTraversalMode(osg::NodeVisitor::TRAVERSE_NONE);
|
|
|
|
if (_camera.valid() && _camera->getEventCallback()) _camera->accept(*_eventVisitor);
|
|
|
|
for(unsigned int i=0; i<getNumSlaves(); ++i)
|
|
{
|
|
osg::Camera* camera = getSlave(i)._camera.get();
|
|
if (camera && camera->getEventCallback()) camera->accept(*_eventVisitor);
|
|
}
|
|
|
|
_eventVisitor->setTraversalMode(tm);
|
|
|
|
}
|
|
}
|
|
|
|
if (getStats() && getStats()->collectStats("event"))
|
|
{
|
|
double endEventTraversal = osg::Timer::instance()->delta_s(_startTick, osg::Timer::instance()->tick());
|
|
|
|
// update current frames stats
|
|
getStats()->setAttribute(_frameStamp->getFrameNumber(), "Event traversal begin time", beginEventTraversal);
|
|
getStats()->setAttribute(_frameStamp->getFrameNumber(), "Event traversal end time", endEventTraversal);
|
|
getStats()->setAttribute(_frameStamp->getFrameNumber(), "Event traversal time taken", endEventTraversal-beginEventTraversal);
|
|
}
|
|
|
|
|
|
}
|
|
|
|
void Viewer::updateTraversal()
|
|
{
|
|
if (_done) return;
|
|
|
|
double beginUpdateTraversal = osg::Timer::instance()->delta_s(_startTick, osg::Timer::instance()->tick());
|
|
|
|
// do the update traversal of the scene.
|
|
if (_scene.valid()) _scene->updateTraversal();
|
|
|
|
osgUtil::UpdateVisitor* uv = _scene.valid() ? _scene->getUpdateVisitor() : 0;
|
|
if (uv)
|
|
{
|
|
// call any camera update callbacks, but only traverse that callback, don't traverse its subgraph
|
|
// leave that to the scene update traversal.
|
|
osg::NodeVisitor::TraversalMode tm = uv->getTraversalMode();
|
|
uv->setTraversalMode(osg::NodeVisitor::TRAVERSE_NONE);
|
|
|
|
if (_camera.valid() && _camera->getUpdateCallback()) _camera->accept(*uv);
|
|
|
|
for(unsigned int i=0; i<getNumSlaves(); ++i)
|
|
{
|
|
osg::Camera* camera = getSlave(i)._camera.get();
|
|
if (camera && camera->getUpdateCallback()) camera->accept(*uv);
|
|
}
|
|
|
|
uv->setTraversalMode(tm);
|
|
}
|
|
|
|
if (_cameraManipulator.valid())
|
|
{
|
|
setFusionDistance( getCameraManipulator()->getFusionDistanceMode(),
|
|
getCameraManipulator()->getFusionDistanceValue() );
|
|
|
|
_camera->setViewMatrix(_cameraManipulator->getInverseMatrix());
|
|
}
|
|
|
|
updateSlaves();
|
|
|
|
if (getStats() && getStats()->collectStats("update"))
|
|
{
|
|
double endUpdateTraversal = osg::Timer::instance()->delta_s(_startTick, osg::Timer::instance()->tick());
|
|
|
|
// update current frames stats
|
|
getStats()->setAttribute(_frameStamp->getFrameNumber(), "Update traversal begin time", beginUpdateTraversal);
|
|
getStats()->setAttribute(_frameStamp->getFrameNumber(), "Update traversal end time", endUpdateTraversal);
|
|
getStats()->setAttribute(_frameStamp->getFrameNumber(), "Update traversal time taken", endUpdateTraversal-beginUpdateTraversal);
|
|
}
|
|
}
|
|
|
|
void Viewer::renderingTraversals()
|
|
{
|
|
// check to see if windows are still valid
|
|
checkWindowStatus();
|
|
|
|
if (_done) return;
|
|
|
|
double beginRenderingTraversals = osg::Timer::instance()->delta_s(_startTick, osg::Timer::instance()->tick());
|
|
|
|
osgDB::DatabasePager* dp = _scene.valid() ? _scene->getDatabasePager() : 0;
|
|
if (dp)
|
|
{
|
|
dp->signalBeginFrame(getFrameStamp());
|
|
}
|
|
|
|
// osg::notify(osg::NOTICE)<<std::endl<<"Joing _startRenderingBarrier block"<<std::endl;
|
|
|
|
|
|
Contexts contexts;
|
|
getContexts(contexts);
|
|
|
|
Cameras cameras;
|
|
getCameras(cameras);
|
|
|
|
Contexts::iterator itr;
|
|
|
|
// dispatch the the rendering threads
|
|
if (_startRenderingBarrier.valid()) _startRenderingBarrier->block();
|
|
|
|
if (_endDynamicDrawBlock.valid())
|
|
{
|
|
_endDynamicDrawBlock->reset();
|
|
}
|
|
|
|
// reset any double buffer graphics objects
|
|
for(Cameras::iterator camItr = cameras.begin();
|
|
camItr != cameras.end();
|
|
++camItr)
|
|
{
|
|
osg::Camera* camera = *camItr;
|
|
Renderer* renderer = dynamic_cast<Renderer*>(camera->getRenderer());
|
|
if (renderer)
|
|
{
|
|
if (!renderer->getGraphicsThreadDoesCull() && !(camera->getCameraThread()))
|
|
{
|
|
renderer->cull();
|
|
}
|
|
}
|
|
}
|
|
|
|
for(itr = contexts.begin();
|
|
itr != contexts.end();
|
|
++itr)
|
|
{
|
|
if (_done) return;
|
|
if (!((*itr)->getGraphicsThread()) && (*itr)->valid())
|
|
{
|
|
makeCurrent(*itr);
|
|
(*itr)->runOperations();
|
|
}
|
|
}
|
|
|
|
// osg::notify(osg::NOTICE)<<"Joing _endRenderingDispatchBarrier block"<<std::endl;
|
|
|
|
// wait till the rendering dispatch is done.
|
|
if (_endRenderingDispatchBarrier.valid()) _endRenderingDispatchBarrier->block();
|
|
|
|
for(itr = contexts.begin();
|
|
itr != contexts.end();
|
|
++itr)
|
|
{
|
|
if (_done) return;
|
|
|
|
if (!((*itr)->getGraphicsThread()) && (*itr)->valid())
|
|
{
|
|
makeCurrent(*itr);
|
|
(*itr)->swapBuffers();
|
|
}
|
|
}
|
|
|
|
if (dp)
|
|
{
|
|
dp->signalEndFrame();
|
|
}
|
|
|
|
// wait till the dynamic draw is complete.
|
|
if (_endDynamicDrawBlock.valid())
|
|
{
|
|
// osg::Timer_t startTick = osg::Timer::instance()->tick();
|
|
_endDynamicDrawBlock->block();
|
|
// osg::notify(osg::NOTICE)<<"Time waiting "<<osg::Timer::instance()->delta_m(startTick, osg::Timer::instance()->tick())<<std::endl;;
|
|
}
|
|
|
|
|
|
if (getStats() && getStats()->collectStats("update"))
|
|
{
|
|
double endRenderingTraversals = osg::Timer::instance()->delta_s(_startTick, osg::Timer::instance()->tick());
|
|
|
|
// update current frames stats
|
|
getStats()->setAttribute(_frameStamp->getFrameNumber(), "Rendering traversals begin time ", beginRenderingTraversals);
|
|
getStats()->setAttribute(_frameStamp->getFrameNumber(), "Rendering traversals end time ", endRenderingTraversals);
|
|
getStats()->setAttribute(_frameStamp->getFrameNumber(), "Rendering traversals time taken", endRenderingTraversals-beginRenderingTraversals);
|
|
}
|
|
}
|
|
|
|
void Viewer::getUsage(osg::ApplicationUsage& usage) const
|
|
{
|
|
if (_cameraManipulator.valid())
|
|
{
|
|
_cameraManipulator->getUsage(usage);
|
|
}
|
|
|
|
for(EventHandlers::const_iterator hitr = _eventHandlers.begin();
|
|
hitr != _eventHandlers.end();
|
|
++hitr)
|
|
{
|
|
(*hitr)->getUsage(usage);
|
|
}
|
|
|
|
}
|