The osgViewer::CompositeViewer had partial support for Producer Camera
config files, but it was not working completely. Here is the completed
implementation. File: src/osgViewer/CompositeViewer.cpp.
-Eric
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* OpenSceneGraph Public License for more details.
*/
#include <osg/GLExtensions>
#include <osgUtil/GLObjectsVisitor>
#include <osgGA/TrackballManipulator>
#include <osgViewer/CompositeViewer>
#include <osgViewer/Renderer>
#include <osgDB/Registry>
#include <osgDB/ReadFile>
#include <osg/io_utils>
using namespace osgViewer;
CompositeViewer::CompositeViewer()
{
constructorInit();
}
CompositeViewer::CompositeViewer(const CompositeViewer& cv,const osg::CopyOp& copyop):
ViewerBase()
{
constructorInit();
}
CompositeViewer::CompositeViewer(osg::ArgumentParser& arguments)
{
constructorInit();
std::string filename;
bool readConfig = false;
while (arguments.read("-c",filename))
{
readConfig = readConfiguration(filename) || readConfig;
}
while (arguments.read("--SingleThreaded")) setThreadingModel(SingleThreaded);
while (arguments.read("--CullDrawThreadPerContext")) setThreadingModel(CullDrawThreadPerContext);
while (arguments.read("--DrawThreadPerContext")) setThreadingModel(DrawThreadPerContext);
while (arguments.read("--CullThreadPerCameraDrawThreadPerContext")) setThreadingModel(CullThreadPerCameraDrawThreadPerContext);
osg::DisplaySettings::instance()->readCommandLine(arguments);
osgDB::readCommandLine(arguments);
}
void CompositeViewer::constructorInit()
{
_endBarrierPosition = AfterSwapBuffers;
_startTick = 0;
// make sure View is safe to reference multi-threaded.
setThreadSafeRefUnref(true);
_frameStamp = new osg::FrameStamp;
_frameStamp->setFrameNumber(0);
_frameStamp->setReferenceTime(0);
_frameStamp->setSimulationTime(0);
_eventVisitor = new osgGA::EventVisitor;
_eventVisitor->setFrameStamp(_frameStamp.get());
_updateVisitor = new osgUtil::UpdateVisitor;
_updateVisitor->setFrameStamp(_frameStamp.get());
setViewerStats(new osg::Stats("CompsiteViewer"));
}
CompositeViewer::~CompositeViewer()
{
osg::notify(osg::INFO)<<"CompositeViewer::~CompositeViewer()"<<std::endl;
stopThreading();
Scenes scenes;
getScenes(scenes);
for(Scenes::iterator sitr = scenes.begin();
sitr != scenes.end();
++sitr)
{
Scene* scene = *sitr;
if (scene->getDatabasePager())
{
scene->getDatabasePager()->cancel();
scene->setDatabasePager(0);
}
}
Contexts contexts;
getContexts(contexts);
// clear out all the previously assigned operations
for(Contexts::iterator citr = contexts.begin();
citr != contexts.end();
++citr)
{
(*citr)->close();
}
osg::notify(osg::INFO)<<"finished CompositeViewer::~CompositeViewer()"<<std::endl;
}
bool CompositeViewer::readConfiguration(const std::string& filename)
{
osg::notify(osg::NOTICE)<<"CompositeViewer::readConfiguration("<<filename<<")"<<std::endl;
osg::ref_ptr<osg::Object> obj = osgDB::readObjectFile(filename);
osgViewer::View * view = dynamic_cast<osgViewer::View *>(obj.get());
if (view)
{
addView(view);
return true;
}
return false;
}
void CompositeViewer::addView(osgViewer::View* view)
{
if (!view) return;
bool alreadyRealized = isRealized();
bool threadsWereRunning = _threadsRunning;
if (threadsWereRunning) stopThreading();
_views.push_back(view);
view->_viewerBase = this;
if (view->getSceneData())
{
// make sure that existing scene graph objects are allocated with thread safe ref/unref
if (getThreadingModel()!=ViewerBase::SingleThreaded)
{
view->getSceneData()->setThreadSafeRefUnref(true);
}
// update the scene graph so that it has enough GL object buffer memory for the graphics contexts that will be using it.
view->getSceneData()->resizeGLObjectBuffers(osg::DisplaySettings::instance()->getMaxNumberOfGraphicsContexts());
}
view->setFrameStamp(_frameStamp.get());
if (alreadyRealized)
{
Contexts contexts;
if (view->getCamera()->getGraphicsContext())
{
contexts.push_back(view->getCamera()->getGraphicsContext());
}
for(unsigned int i=0; i<view->getNumSlaves(); ++i)
{
if (view->getSlave(i)._camera->getGraphicsContext())
{
contexts.push_back(view->getSlave(i)._camera->getGraphicsContext());
}
}
for(Contexts::iterator itr = contexts.begin();
itr != contexts.end();
++itr)
{
if (!((*itr)->isRealized()))
{
(*itr)->realize();
}
}
}
if (threadsWereRunning) startThreading();
}
void CompositeViewer::removeView(osgViewer::View* view)
{
for(RefViews::iterator itr = _views.begin();
itr != _views.end();
++itr)
{
if (*itr == view)
{
bool threadsWereRunning = _threadsRunning;
if (threadsWereRunning) stopThreading();
view->_viewerBase = 0;
_views.erase(itr);
if (threadsWereRunning) startThreading();
return;
}
}
}
bool CompositeViewer::isRealized() const
{
Contexts contexts;
const_cast<CompositeViewer*>(this)->getContexts(contexts);
unsigned int numRealizedWindows = 0;
// clear out all the previously assigned operations
for(Contexts::iterator citr = contexts.begin();
citr != contexts.end();
++citr)
{
if ((*citr)->isRealized()) ++numRealizedWindows;
}
return numRealizedWindows > 0;
}
int CompositeViewer::run()
{
for(RefViews::iterator itr = _views.begin();
itr != _views.end();
++itr)
{
osgViewer::View* view = itr->get();
if ((view->getCameraManipulator()==0) && view->getCamera()->getAllowEventFocus())
{
view->setCameraManipulator(new osgGA::TrackballManipulator());
}
}
setReleaseContextAtEndOfFrameHint(false);
return ViewerBase::run();
}
void CompositeViewer::setStartTick(osg::Timer_t tick)
{
_startTick = tick;
for(RefViews::iterator vitr = _views.begin();
vitr != _views.end();
++vitr)
{
(*vitr)->setStartTick(tick);
}
Contexts contexts;
getContexts(contexts,false);
for(Contexts::iterator citr = contexts.begin();
citr != contexts.end();
++citr)
{
osgViewer::GraphicsWindow* gw = dynamic_cast<osgViewer::GraphicsWindow*>(*citr);
if (gw)
{
gw->getEventQueue()->setStartTick(_startTick);
}
}
}
void CompositeViewer::setReferenceTime(double time)
{
osg::Timer_t tick = osg::Timer::instance()->tick();
double currentTime = osg::Timer::instance()->delta_s(_startTick, tick);
double delta_ticks = (time-currentTime)*(osg::Timer::instance()->getSecondsPerTick());
if (delta_ticks>=0) tick += osg::Timer_t(delta_ticks);
else tick -= osg::Timer_t(-delta_ticks);
// assign the new start tick
setStartTick(tick);
}
void CompositeViewer::viewerInit()
{
osg::notify(osg::INFO)<<"CompositeViewer::init()"<<std::endl;
for(RefViews::iterator itr = _views.begin();
itr != _views.end();
++itr)
{
(*itr)->init();
}
}
void CompositeViewer::getContexts(Contexts& contexts, bool onlyValid)
{
typedef std::set<osg::GraphicsContext*> ContextSet;
ContextSet contextSet;
contexts.clear();
for(RefViews::iterator vitr = _views.begin();
vitr != _views.end();
++vitr)
{
osgViewer::View* view = vitr->get();
osg::GraphicsContext* gc = view->getCamera() ? view->getCamera()->getGraphicsContext() : 0;
if (gc && (gc->valid() || !onlyValid))
{
if (contextSet.count(gc)==0)
{
contextSet.insert(gc);
contexts.push_back(gc);
}
}
for(unsigned int i=0; i<view->getNumSlaves(); ++i)
{
View::Slave& slave = view->getSlave(i);
osg::GraphicsContext* sgc = slave._camera.valid() ? slave._camera->getGraphicsContext() : 0;
if (sgc && (sgc->valid() || !onlyValid))
{
if (contextSet.count(sgc)==0)
{
contextSet.insert(sgc);
contexts.push_back(sgc);
}
}
}
}
}
void CompositeViewer::getCameras(Cameras& cameras, bool onlyActive)
{
cameras.clear();
for(RefViews::iterator vitr = _views.begin();
vitr != _views.end();
++vitr)
{
View* view = vitr->get();
if (view->getCamera() &&
(!onlyActive || (view->getCamera()->getGraphicsContext() && view->getCamera()->getGraphicsContext()->valid())) ) cameras.push_back(view->getCamera());
for(View::Slaves::iterator itr = view->_slaves.begin();
itr != view->_slaves.end();
++itr)
{
if (itr->_camera.valid() &&
(!onlyActive || (itr->_camera->getGraphicsContext() && itr->_camera->getGraphicsContext()->valid())) ) cameras.push_back(itr->_camera.get());
}
}
}
void CompositeViewer::getScenes(Scenes& scenes, bool onlyValid)
{
typedef std::set<osgViewer::Scene*> SceneSet;
SceneSet sceneSet;
for(RefViews::iterator vitr = _views.begin();
vitr != _views.end();
++vitr)
{
osgViewer::View* view = vitr->get();
if (view->getScene() && (!onlyValid || view->getScene()->getSceneData()))
{
if (sceneSet.count(view->getScene())==0)
{
sceneSet.insert(view->getScene());
scenes.push_back(view->getScene());
}
}
}
}
void CompositeViewer::getViews(Views& views, bool onlyValid)
{
for(RefViews::iterator vitr = _views.begin();
vitr != _views.end();
++vitr)
{
views.push_back(vitr->get());
}
}
void CompositeViewer::getAllThreads(Threads& threads, bool onlyActive)
{
OperationThreads operationThreads;
getOperationThreads(operationThreads);
for(OperationThreads::iterator itr = operationThreads.begin();
itr != operationThreads.end();
++itr)
{
threads.push_back(*itr);
}
Scenes scenes;
getScenes(scenes);
for(Scenes::iterator sitr = scenes.begin();
sitr != scenes.end();
++sitr)
{
Scene* scene = *sitr;
osgDB::DatabasePager* dp = scene->getDatabasePager();
if (dp)
{
for(unsigned int i=0; i<dp->getNumDatabaseThreads(); ++i)
{
osgDB::DatabasePager::DatabaseThread* dt = dp->getDatabaseThread(i);
if (!onlyActive || dt->isRunning())
{
threads.push_back(dt);
}
}
}
}
}
void CompositeViewer::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 CompositeViewer::realize()
{
//osg::notify(osg::INFO)<<"CompositeViewer::realize()"<<std::endl;
setCameraWithFocus(0);
if (_views.empty())
{
osg::notify(osg::NOTICE)<<"CompositeViewer::realize() - not views to realize."<<std::endl;
_done = true;
return;
}
Contexts contexts;
getContexts(contexts);
if (contexts.empty())
{
osg::notify(osg::INFO)<<"CompositeViewer::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
_views[0]->setUpViewAcrossAllScreens();
getContexts(contexts);
}
if (contexts.empty())
{
osg::notify(osg::NOTICE)<<"CompositeViewer::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();
}
}
// attach contexts to _incrementalCompileOperation if attached.
if (_incrementalCompileOperation) _incrementalCompileOperation->assignContexts(contexts);
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();
}
}
}
startThreading();
// 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());
if (osg::DisplaySettings::instance()->getCompileContextsHint())
{
int numProcessors = OpenThreads::GetNumberOfProcessors();
int processNum = 0;
for(unsigned int i=0; i<= osg::GraphicsContext::getMaxContextID(); ++i)
{
osg::GraphicsContext* gc = osg::GraphicsContext::getOrCreateCompileContext(i);
if (gc)
{
gc->createGraphicsThread();
gc->getGraphicsThread()->setProcessorAffinity(processNum % numProcessors);
gc->getGraphicsThread()->startThread();
++processNum;
}
}
}
}
void CompositeViewer::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 (getViewerStats() && getViewerStats()->collectStats("frame_rate"))
{
// update previous frame stats
double deltaFrameTime = _frameStamp->getReferenceTime() - prevousReferenceTime;
getViewerStats()->setAttribute(previousFrameNumber, "Frame duration", deltaFrameTime);
getViewerStats()->setAttribute(previousFrameNumber, "Frame rate", 1.0/deltaFrameTime);
// update current frames stats
getViewerStats()->setAttribute(_frameStamp->getFrameNumber(), "Reference time", _frameStamp->getReferenceTime());
}
}
void CompositeViewer::setCameraWithFocus(osg::Camera* camera)
{
_cameraWithFocus = camera;
if (camera)
{
for(RefViews::iterator vitr = _views.begin();
vitr != _views.end();
++vitr)
{
View* view = vitr->get();
if (view->containsCamera(camera))
{
_viewWithFocus = view;
return;
}
}
}
_viewWithFocus = 0;
}
void CompositeViewer::eventTraversal()
{
if (_done) return;
if (_views.empty()) return;
double beginEventTraversal = osg::Timer::instance()->delta_s(_startTick, osg::Timer::instance()->tick());
// osg::notify(osg::NOTICE)<<"CompositeViewer::frameEventTraversal()."<<std::endl;
// need to copy events from the GraphicsWindow's into local EventQueue;
typedef std::map<osgViewer::View*, osgGA::EventQueue::Events> ViewEventsMap;
ViewEventsMap viewEventsMap;
Contexts contexts;
getContexts(contexts);
Scenes scenes;
getScenes(scenes);
osgViewer::View* masterView = getViewWithFocus() ? getViewWithFocus() : _views[0].get();
osg::Camera* masterCamera = masterView->getCamera();
osgGA::GUIEventAdapter* eventState = masterView->getEventQueue()->getCurrentEventState();
osg::Matrix masterCameraVPW = masterCamera->getViewMatrix() * masterCamera->getProjectionMatrix();
if (masterCamera->getViewport())
{
osg::Viewport* viewport = masterCamera->getViewport();
masterCameraVPW *= viewport->computeWindowMatrix();
}
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();
//osg::notify(osg::NOTICE)<<"event->getGraphicsContext()="<<event->getGraphicsContext()<<std::endl;
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::RESIZE):
setCameraWithFocus(0);
break;
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() &&
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()) )
{
setCameraWithFocus(camera);
// If this camera is not a slave camera
if (camera->getView()->getCamera() == camera)
{
eventState->setGraphicsContext(gw);
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);
}
if (getViewWithFocus()!=masterView)
{
// need to reset the masterView
masterView = getViewWithFocus();
masterCamera = masterView->getCamera();
eventState = masterView->getEventQueue()->getCurrentEventState();
masterCameraVPW = masterCamera->getViewMatrix() * masterCamera->getProjectionMatrix();
if (masterCamera->getViewport())
{
osg::Viewport* viewport = masterCamera->getViewport();
masterCameraVPW *= viewport->computeWindowMatrix();
}
}
// If this camera is not a slave camera
if (camera->getView()->getCamera() == camera)
{
eventState->setGraphicsContext(gw);
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);
}
}
}
}
}
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();
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());
}
}
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();
if (wasThreading) startThreading();
break;
}
default:
break;
}
}
viewEventsMap[masterView].insert( viewEventsMap[masterView].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;
for(RefViews::iterator vitr = _views.begin();
vitr != _views.end();
++vitr)
{
View* view = vitr->get();
view->getEventQueue()->frame( getFrameStamp()->getReferenceTime() );
view->getEventQueue()->takeEvents(viewEventsMap[view]);
}
// osg::notify(osg::NOTICE)<<"Events "<<events.size()<<std::endl;
if ((_keyEventSetsDone!=0) || _quitEventSetsDone)
{
for(ViewEventsMap::iterator veitr = viewEventsMap.begin();
veitr != viewEventsMap.end();
++veitr)
{
for(osgGA::EventQueue::Events::iterator itr = veitr->second.begin();
itr != veitr->second.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;
if (_eventVisitor.valid())
{
_eventVisitor->setFrameStamp(getFrameStamp());
_eventVisitor->setTraversalNumber(getFrameStamp()->getFrameNumber());
for(ViewEventsMap::iterator veitr = viewEventsMap.begin();
veitr != viewEventsMap.end();
++veitr)
{
View* view = veitr->first;
_eventVisitor->setActionAdapter(view);
if (view->getSceneData())
{
for(osgGA::EventQueue::Events::iterator itr = veitr->second.begin();
itr != veitr->second.end();
++itr)
{
osgGA::GUIEventAdapter* event = itr->get();
_eventVisitor->reset();
_eventVisitor->addEvent( event );
view->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 (view->getCamera() && view->getCamera()->getEventCallback()) view->getCamera()->accept(*_eventVisitor);
for(unsigned int i=0; i<view->getNumSlaves(); ++i)
{
osg::Camera* camera = view->getSlave(i)._camera.get();
if (camera && camera->getEventCallback()) camera->accept(*_eventVisitor);
}
_eventVisitor->setTraversalMode(tm);
}
}
}
}
for(ViewEventsMap::iterator veitr = viewEventsMap.begin();
veitr != viewEventsMap.end();
++veitr)
{
View* view = veitr->first;
for(osgGA::EventQueue::Events::iterator itr = veitr->second.begin();
itr != veitr->second.end();
++itr)
{
osgGA::GUIEventAdapter* event = itr->get();
for(View::EventHandlers::iterator hitr = view->getEventHandlers().begin();
hitr != view->getEventHandlers().end();
++hitr)
{
(*hitr)->handleWithCheckAgainstIgnoreHandledEventsMask( *event, *view, 0, 0);
}
}
}
for(ViewEventsMap::iterator veitr = viewEventsMap.begin();
veitr != viewEventsMap.end();
++veitr)
{
View* view = veitr->first;
for(osgGA::EventQueue::Events::iterator itr = veitr->second.begin();
itr != veitr->second.end();
++itr)
{
osgGA::GUIEventAdapter* event = itr->get();
if (view->getCameraManipulator())
{
view->getCameraManipulator()->handleWithCheckAgainstIgnoreHandledEventsMask( *event, *view);
}
}
}
if (getViewerStats() && getViewerStats()->collectStats("event"))
{
double endEventTraversal = osg::Timer::instance()->delta_s(_startTick, osg::Timer::instance()->tick());
// update current frames stats
getViewerStats()->setAttribute(_frameStamp->getFrameNumber(), "Event traversal begin time", beginEventTraversal);
getViewerStats()->setAttribute(_frameStamp->getFrameNumber(), "Event traversal end time", endEventTraversal);
getViewerStats()->setAttribute(_frameStamp->getFrameNumber(), "Event traversal time taken", endEventTraversal-beginEventTraversal);
}
}
void CompositeViewer::updateTraversal()
{
if (_done) return;
double beginUpdateTraversal = osg::Timer::instance()->delta_s(_startTick, osg::Timer::instance()->tick());
_updateVisitor->reset();
_updateVisitor->setFrameStamp(getFrameStamp());
_updateVisitor->setTraversalNumber(getFrameStamp()->getFrameNumber());
Scenes scenes;
getScenes(scenes);
for(Scenes::iterator sitr = scenes.begin();
sitr != scenes.end();
++sitr)
{
Scene* scene = *sitr;
if (scene->getSceneData())
{
_updateVisitor->setImageRequestHandler(scene->getImagePager());
scene->getSceneData()->accept(*_updateVisitor);
}
if (scene->getDatabasePager())
{
// synchronize changes required by the DatabasePager thread to the scene graph
scene->getDatabasePager()->updateSceneGraph(*_frameStamp);
}
if (scene->getImagePager())
{
// synchronize changes required by the DatabasePager thread to the scene graph
scene->getImagePager()->updateSceneGraph(*_frameStamp);
}
}
if (_incrementalCompileOperation.valid())
{
// merge subgraphs that have been compiled by the incremental compiler operation.
_incrementalCompileOperation->mergeCompiledSubgraphs();
}
if (_updateOperations.valid())
{
_updateOperations->runOperations(this);
}
for(RefViews::iterator vitr = _views.begin();
vitr != _views.end();
++vitr)
{
View* view = vitr->get();
{
// 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 = _updateVisitor->getTraversalMode();
_updateVisitor->setTraversalMode(osg::NodeVisitor::TRAVERSE_NONE);
if (view->getCamera() && view->getCamera()->getUpdateCallback()) view->getCamera()->accept(*_updateVisitor);
for(unsigned int i=0; i<view->getNumSlaves(); ++i)
{
osg::Camera* camera = view->getSlave(i)._camera.get();
if (camera && camera->getUpdateCallback()) camera->accept(*_updateVisitor);
}
_updateVisitor->setTraversalMode(tm);
}
if (view->getCameraManipulator())
{
view->setFusionDistance( view->getCameraManipulator()->getFusionDistanceMode(),
view->getCameraManipulator()->getFusionDistanceValue() );
view->getCamera()->setViewMatrix( view->getCameraManipulator()->getInverseMatrix());
}
view->updateSlaves();
}
if (getViewerStats() && getViewerStats()->collectStats("update"))
{
double endUpdateTraversal = osg::Timer::instance()->delta_s(_startTick, osg::Timer::instance()->tick());
// update current frames stats
getViewerStats()->setAttribute(_frameStamp->getFrameNumber(), "Update traversal begin time", beginUpdateTraversal);
getViewerStats()->setAttribute(_frameStamp->getFrameNumber(), "Update traversal end time", endUpdateTraversal);
getViewerStats()->setAttribute(_frameStamp->getFrameNumber(), "Update traversal time taken", endUpdateTraversal-beginUpdateTraversal);
}
}
double CompositeViewer::elapsedTime()
{
return osg::Timer::instance()->delta_s(_startTick, osg::Timer::instance()->tick());
}
void CompositeViewer::getUsage(osg::ApplicationUsage& usage) const
{
for(RefViews::const_iterator vitr = _views.begin();
vitr != _views.end();
++vitr)
{
const View* view = vitr->get();
if (view->getCameraManipulator())
{
view->getCameraManipulator()->getUsage(usage);
}
for(View::EventHandlers::const_iterator hitr = view->_eventHandlers.begin();
hitr != view->_eventHandlers.end();
++hitr)
{
(*hitr)->getUsage(usage);
}
}
}
_______________________________________________
osg-users mailing list
osg-users@lists.openscenegraph.org
http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
