CompositeViewer::~CompositeViewer()
{
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_INFO<<"finished CompositeViewer::~CompositeViewer()"<<std::endl;
}
Viewer::~Viewer()
{
//OSG_NOTICE<<"Viewer::~Viewer()"<<std::endl;
Threads threads;
getAllThreads(threads);
OSG_INFO<<"Viewer::~Viewer():: start destructor getThreads = "<<threads.size()<<std::endl;
stopThreading();
if (_scene.valid() && _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_NOTICE<<"finish Viewer::~Viewer()"<<std::endl;
getAllThreads(threads);
OSG_INFO<<"Viewer::~Viewer() end destructor getThreads = "<<threads.size()<<std::endl;
}
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::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());
}
}
}
Contexts DummyContexts()
{
Contexts ctxts;
SWRContext c = { 0 };
ctxts.insert(std::make_pair(0, (SWRContext)c));
return ctxts;
}
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 ExecutableOpHolder::execute( const Contexts &contexts ) const
{
for ( Contexts::const_iterator cit = contexts.begin(); cit != contexts.end(); cit++ )
{
// \todo Implement a way to get the CompoundObject for a given context without modifying the Op's parameter
// and passing it explicitly in the operate call. Than multi-thread this loop.
Context::Scope scope( *cit );
constPointerCast<CompoundParameterHandler>( parameterHandler() )->setParameterValue();
constPointerCast<Op>( getOp() )->operate();
}
}
void Viewer::realize()
{
//OSG_INFO<<"Viewer::realize()"<<std::endl;
// 保存了osg::GraphicsContext指针的向量组
Contexts contexts;
// 获取所有的图形上下文，并保存到这个向量组中来
getContexts(contexts);
// 如果没有得到任何图形上下文的话，就说明仿真系统还没有合适的显示平台
// 这个时候就需要创建一个缺省的GraphicsContext设备，并再次执行getContexts
if (contexts.empty())
{
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
// 创建缺省GraphicsContext设备的方法有以下几种：
// 读取OSG_CONFIG_FILE环境变量的内容，如果用户在这个环境变量中定义了一个文件路径的话
// 使用配置文件设置当前视景器
const char* ptr = 0;
if ((ptr = getenv("OSG_CONFIG_FILE")) != 0)
{
readConfiguration(ptr);
}
else
{
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();
}
}
WINGDIAPI BOOL WINAPI wglMakeCurrent(HDC hdc, DHGLRC hglrc)
{
if (!gCurrentContextSet)
{
gCurrentContext = gContexts.end();
gCurrentContextSet = true;
}
if (!hdc || !hglrc)
{
gCurrentContext = gContexts.end();
return 1;
}
int rc = (int)hglrc;
if (gContexts.find(rc) == gCurrentContext)
{
return 1;
}
gCurrentContext = gContexts.find(rc);
auto &xCtxt = gContexts[rc];
OGL::State *pState = xCtxt.pState;
HWND hWnd = WindowFromDC(hdc);
RECT rect;
GetClientRect(hWnd, &rect);
int width = rect.right - rect.left;
int height = rect.bottom - rect.top;
SetOGL(pState);
OGL::GetDDProcTable().pfnBindContext(OGL::GetDDHandle(), NULL, hWnd, NULL, width, height);
// according to spec, only set current viewport to draw buffer dimensions if the context hasn't
// been initialized
if (!xCtxt.initialized)
{
pState->mViewport.x = 0;
pState->mViewport.y = 0;
pState->mViewport.width = width;
pState->mViewport.height = height;
pState->mScissor.x = 0;
pState->mScissor.y = 0;
pState->mScissor.width = width;
pState->mScissor.height = height;
xCtxt.initialized = true;
}
return 1;
}
void Viewer::realize()
{
//OSG_INFO<<"Viewer::realize()"<<std::endl;
setCameraWithFocus(0);
Contexts contexts;
getContexts(contexts);
if (contexts.empty())
{
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;
if ((ptr = getenv("OSG_CONFIG_FILE")) != 0)
{
readConfiguration(ptr);
}
else
{
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();
}
}
void ViewerBase::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 glXDestroyContext(Display *pDisplay, GLXContext ctx)
{
auto *pState = reinterpret_cast<OGL::State *>(ctx);
if (contexts.find(pState) == currentContext)
{
currentContext = contexts.end();
}
contexts.erase(pState);
OGL::Destroy(*pState);
pState->~State();
_aligned_free(pState);
}
void ExecutableRender::execute( const Contexts &contexts ) const
{
const ScenePlug *scene = inPlug()->getInput<ScenePlug>();
if( !scene )
{
throw IECore::Exception( "No input scene" );
}
/// \todo This doesn't belong here. It'll be the responsibility of the Despatchers
/// to save the script if necessary, and to save it to an alternate location than
/// the current one.
scriptNode()->save();
for( Contexts::const_iterator it = contexts.begin(), eIt = contexts.end(); it != eIt; it++ )
{
Context::Scope scopedContext( it->get() );
ConstCompoundObjectPtr globals = scene->globalsPlug()->getValue();
createDisplayDirectories( globals );
IECore::RendererPtr renderer = createRenderer();
outputOptions( globals, renderer );
outputCamera( scene, globals, renderer );
{
WorldBlock world( renderer );
outputLights( scene, globals, renderer );
outputWorldProcedural( scene, renderer );
}
std::string systemCommand = command();
if( systemCommand.size() )
{
const ApplicationRoot *applicationRoot = scene->ancestor<ApplicationRoot>();
if( applicationRoot && applicationRoot->getName() == "gui" )
{
/// \todo We need this weird background execution behaviour because we
/// don't want to block the ui while rendering, but really the LocalDespatcher
/// should be responsible for launching a separate process to do the execution
/// from anyway.
systemCommand += "&";
}
system( systemCommand.c_str() );
}
}
}
WINGDIAPI HDC WINAPI wglGetCurrentDC(VOID)
{
if (!gCurrentContextSet)
{
gCurrentContext = gContexts.end();
gCurrentContextSet = true;
}
if (gCurrentContext == gContexts.end())
{
return NULL;
}
else
{
return gCurrentContext->second.hdc;
}
}
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;
}
Viewer::~Viewer()
{
//OSG_NOTICE<<"Viewer::~Viewer()"<<std::endl;
Threads threads;
getAllThreads(threads);
OSG_INFO<<"Viewer::~Viewer():: start destructor getThreads = "<<threads.size()<<std::endl;
stopThreading();
if (_scene.valid() && _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)
{
osg::GraphicsContext* gc = *citr;
// Run destroy operation on each context before closing it
if (_cleanUpOperation.valid() && gc->valid())
{
gc->makeCurrent();
(*_cleanUpOperation)(gc);
gc->releaseContext();
}
gc->close();
}
//OSG_NOTICE<<"finish Viewer::~Viewer()"<<std::endl;
getAllThreads(threads);
OSG_INFO<<"Viewer::~Viewer() end destructor getThreads = "<<threads.size()<<std::endl;
}
void ViewerBase::checkWindowStatus(const Contexts& contexts)
{
if (contexts.size()==0)
{
_done = true;
if (areThreadsRunning()) stopThreading();
}
}
WINGDIAPI HGLRC WINAPI wglGetCurrentContext(VOID)
{
if (!gCurrentContextSet)
{
gCurrentContext = gContexts.end();
gCurrentContextSet = true;
}
if (gCurrentContext == gContexts.end())
{
return NULL;
}
else
{
return reinterpret_cast<HGLRC>(gCurrentContext->first);
}
}
ViewerBase::ThreadingModel ViewerBase::suggestBestThreadingModel()
{
const char* str = getenv("OSG_THREADING");
if (str)
{
if (strcmp(str,"SingleThreaded")==0) return SingleThreaded;
else if (strcmp(str,"CullDrawThreadPerContext")==0) return CullDrawThreadPerContext;
else if (strcmp(str,"DrawThreadPerContext")==0) return DrawThreadPerContext;
else if (strcmp(str,"CullThreadPerCameraDrawThreadPerContext")==0) return CullThreadPerCameraDrawThreadPerContext;
}
Contexts contexts;
getContexts(contexts);
if (contexts.empty()) return SingleThreaded;
#if 0
// temporary hack to disable multi-threading under Windows till we find good solutions for
// crashes that users are seeing.
return SingleThreaded;
#endif
Cameras cameras;
getCameras(cameras);
if (cameras.empty()) return SingleThreaded;
int numProcessors = OpenThreads::GetNumberOfProcessors();
if (contexts.size()==1)
{
if (numProcessors==1) return SingleThreaded;
else return DrawThreadPerContext;
}
#if 1
if (numProcessors >= static_cast<int>(cameras.size()+contexts.size()))
{
return CullThreadPerCameraDrawThreadPerContext;
}
#endif
return DrawThreadPerContext;
}
Display *glXGetCurrentDisplay()
{
if (currentContext == contexts.end())
{
return NULL;
}
auto &xCtxt = currentContext->second;
return xCtxt.pDisplay;
}
void Viewer::setStartTick(osg::Timer_t tick)
{
View::setStartTick(tick);
Contexts contexts;
getContexts(contexts,false);
getEventQueue()->setStartTick(_startTick);
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::addView(osgViewer::View* view)
{
bool alreadyRealized = isRealized();
bool threadsWereRuinning = _threadsRunning;
if (threadsWereRuinning) stopThreading();
_views.push_back(view);
view->_viewerBase = this;
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 (threadsWereRuinning) startThreading();
}
void CompositeViewer::getContexts(Contexts& contexts, bool onlyValid)
{
typedef std::set<osg::GraphicsContext*> ContextSet;
ContextSet contextSet;
for(RefViews::iterator vitr = _views.begin();
vitr != _views.end();
++vitr)
{
osgViewer::View* view = vitr->get();
if (view->getCamera() &&
view->getCamera()->getGraphicsContext() &&
(view->getCamera()->getGraphicsContext()->valid() || !onlyValid))
{
contextSet.insert(view->getCamera()->getGraphicsContext());
}
for(unsigned int i=0; i<view->getNumSlaves(); ++i)
{
View::Slave& slave = view->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));
}
}
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::renderingTraversals( bool needMakeCurrentInThisThread )
{
Contexts contexts;
getContexts( contexts );
bool doneMakeCurrentInThisThread = false;
for( Contexts::iterator itr = contexts.begin( );
itr != contexts.end( ); ++itr )
{
if(( *itr )->valid( ))
{
if( needMakeCurrentInThisThread )
{
doneMakeCurrentInThisThread = true;
makeCurrent( *itr );
}
( *itr )->runOperations( );
}
}
if( doneMakeCurrentInThisThread )
releaseContext( );
}
WINGDIAPI BOOL WINAPI DrvDeleteContext(HGLRC hglrc)
{
int rc = (int)hglrc;
SWRContext &context = gContexts[rc];
OGL::State *pState = context.pState;
pState->~State();
_aligned_free(pState);
OGL::GetDDProcTable().pfnDestroyContext(OGL::GetDDHandle());
gContexts.erase(rc);
OGL::DestroyGlobals();
return 1;
}
void CompositeViewer::eventTraversal()
{
if (_done) return;
if (_views.empty()) return;
double beginEventTraversal = osg::Timer::instance()->delta_s(_startTick, osg::Timer::instance()->tick());
// 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_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::DOUBLECLICK):
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_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_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);
// Do EventTraversal for slaves with their own subgraph
for(unsigned int i=0; i<view->getNumSlaves(); ++i)
{
osg::View::Slave& slave = view->getSlave(i);
osg::Camera* camera = slave._camera.get();
if(camera && !slave._useMastersSceneData)
{
camera->accept(*_eventVisitor);
}
}
// call any camera event 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::View::Slave& slave = view->getSlave(i);
osg::Camera* camera = view->getSlave(i)._camera.get();
if (camera && slave._useMastersSceneData && 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::realize()
{
//OSG_INFO<<"CompositeViewer::realize()"<<std::endl;
setCameraWithFocus(0);
if (_views.empty())
{
OSG_NOTICE<<"CompositeViewer::realize() - No views to realize."<<std::endl;
_done = true;
return;
}
Contexts contexts;
getContexts(contexts);
if (contexts.empty())
{
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_NOTICE<<"CompositeViewer::realize() - failed to set up any windows"<<std::endl;
_done = true;
return;
}
unsigned int maxTexturePoolSize = osg::DisplaySettings::instance()->getMaxTexturePoolSize();
unsigned int maxBufferObjectPoolSize = osg::DisplaySettings::instance()->getMaxBufferObjectPoolSize();
for(Contexts::iterator citr = contexts.begin();
citr != contexts.end();
++citr)
{
osg::GraphicsContext* gc = *citr;
// set the pool sizes, 0 the default will result in no GL object pools.
gc->getState()->setMaxTexturePoolSize(maxTexturePoolSize);
gc->getState()->setMaxBufferObjectPoolSize(maxBufferObjectPoolSize);
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;
}
}
}
}
bool initialized;
OGL::State *pState;
};
typedef std::unordered_map<int, SWRContext> Contexts;
Contexts DummyContexts()
{
Contexts ctxts;
SWRContext c = { 0 };
ctxts.insert(std::make_pair(0, (SWRContext)c));
return ctxts;
}
static Contexts gContexts = DummyContexts();
static bool gCurrentContextSet = false;
static Contexts::iterator gCurrentContext = gContexts.end();
// We support ONE format.
static const PIXELFORMATDESCRIPTOR gPxFmts[] =
{
{ // This is a dummy descriptor.
},
{
sizeof(PIXELFORMATDESCRIPTOR), // nSize
0xBAAB, // nVersion
PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_GENERIC_ACCELERATED | PFD_DOUBLEBUFFER | PFD_SWAP_EXCHANGE | PFD_SUPPORT_COMPOSITION,
PFD_TYPE_RGBA, // iPixelType
32, // cColorBits
void CompositeViewer::eventTraversal()
{
if (_done) return;
if (_views.empty()) return;
double cutOffTime = _frameStamp->getReferenceTime();
double beginEventTraversal = osg::Timer::instance()->delta_s(_startTick, osg::Timer::instance()->tick());
// need to copy events from the GraphicsWindow's into local EventQueue for each view;
typedef std::map<osgViewer::View*, osgGA::EventQueue::Events> ViewEventsMap;
ViewEventsMap viewEventsMap;
Contexts contexts;
getContexts(contexts);
// set done if there are no windows
checkWindowStatus(contexts);
if (_done) return;
osgGA::EventQueue::Events all_events;
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, cutOffTime);
for(osgGA::EventQueue::Events::iterator itr = gw_events.begin();
itr != gw_events.end();
++itr)
{
(*itr)->setGraphicsContext(gw);
}
all_events.insert(all_events.end(), gw_events.begin(), gw_events.end());
}
}
// sort all the events in time order so we can make sure we pass them all on in the correct order.
all_events.sort(SortEvents());
// pass on pointer data onto non mouse events to keep the position data usable by all recipients of all events.
for(osgGA::EventQueue::Events::iterator itr = all_events.begin();
itr != all_events.end();
++itr)
{
osgGA::GUIEventAdapter* event = itr->get();
switch(event->getEventType())
{
case(osgGA::GUIEventAdapter::PUSH):
case(osgGA::GUIEventAdapter::RELEASE):
case(osgGA::GUIEventAdapter::DOUBLECLICK):
case(osgGA::GUIEventAdapter::MOVE):
case(osgGA::GUIEventAdapter::DRAG):
{
if ((event->getEventType()!=osgGA::GUIEventAdapter::DRAG && event->getEventType()!=osgGA::GUIEventAdapter::RELEASE) ||
!_previousEvent ||
_previousEvent->getGraphicsContext()!=event->getGraphicsContext() ||
_previousEvent->getNumPointerData()<2)
{
generatePointerData(*event);
}
else
{
reprojectPointerData(*_previousEvent, *event);
}
#if 0
// assign topmost PointeData settings as the events X,Y and InputRange
osgGA::PointerData* pd = event->getPointerData(event->getNumPointerData()-1);
event->setX(pd->x);
event->setY(pd->y);
event->setInputRange(pd->xMin, pd->yMin, pd->xMax, pd->yMax);
event->setMouseYOrientation(osgGA::GUIEventAdapter::Y_INCREASING_UPWARDS);
#else
if (event->getMouseYOrientation()!=osgGA::GUIEventAdapter::Y_INCREASING_UPWARDS)
{
event->setY((event->getYmax()-event->getY())+event->getYmin());
event->setMouseYOrientation(osgGA::GUIEventAdapter::Y_INCREASING_UPWARDS);
}
#endif
_previousEvent = event;
break;
}
default:
if (_previousEvent.valid()) event->copyPointerDataFrom(*_previousEvent);
break;
}
osgGA::PointerData* pd = event->getNumPointerData()>0 ? event->getPointerData(event->getNumPointerData()-1) : 0;
osg::Camera* camera = pd ? dynamic_cast<osg::Camera*>(pd->object.get()) : 0;
osgViewer::View* view = camera ? dynamic_cast<osgViewer::View*>(camera->getView()) : 0;
if (!view)
{
if (_viewWithFocus.valid())
{
// OSG_NOTICE<<"Falling back to using _viewWithFocus"<<std::endl;
view = _viewWithFocus.get();
}
else if (!_views.empty())
{
// OSG_NOTICE<<"Falling back to using first view as one with focus"<<std::endl;
view = _views[0].get();
}
}
// reassign view with focus
if (_viewWithFocus != view) _viewWithFocus = view;
if (view)
{
viewEventsMap[view].push_back( event );
osgGA::GUIEventAdapter* eventState = view->getEventQueue()->getCurrentEventState();
eventState->copyPointerDataFrom(*event);
}
_previousEvent = event;
}
// handle any close windows
for(osgGA::EventQueue::Events::iterator itr = all_events.begin();
itr != all_events.end();
++itr)
{
osgGA::GUIEventAdapter* event = itr->get();
switch(event->getEventType())
{
case(osgGA::GUIEventAdapter::CLOSE_WINDOW):
{
bool wasThreading = areThreadsRunning();
if (wasThreading) stopThreading();
if (event->getGraphicsContext())
{
event->getGraphicsContext()->close();
}
if (wasThreading) startThreading();
break;
}
default:
break;
}
}
for(RefViews::iterator vitr = _views.begin();
vitr != _views.end();
++vitr)
{
View* view = vitr->get();
// get events from user Devices attached to Viewer.
for(osgViewer::View::Devices::iterator eitr = view->getDevices().begin();
eitr != view->getDevices().end();
++eitr)
{
osgGA::Device* es = eitr->get();
if (es->getCapabilities() & osgGA::Device::RECEIVE_EVENTS)
es->checkEvents();
// open question, will we need to reproject mouse coordinates into current view's coordinate frame as is down for GraphicsWindow provided events?
// for now assume now and just get the events directly without any reprojection.
es->getEventQueue()->takeEvents(viewEventsMap[view], cutOffTime);
}
// generate frame event
view->getEventQueue()->frame( getFrameStamp()->getReferenceTime() );
view->getEventQueue()->takeEvents(viewEventsMap[view], cutOffTime);
}
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;
if (view && view->getSceneData())
{
_eventVisitor->setActionAdapter(view);
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);
// Do EventTraversal for slaves with their own subgraph
for(unsigned int i=0; i<view->getNumSlaves(); ++i)
{
osg::View::Slave& slave = view->getSlave(i);
osg::Camera* camera = slave._camera.get();
if(camera && !slave._useMastersSceneData)
{
camera->accept(*_eventVisitor);
}
}
// call any camera event 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::View::Slave& slave = view->getSlave(i);
osg::Camera* camera = view->getSlave(i)._camera.get();
if (camera && slave._useMastersSceneData && 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, _eventVisitor.get());
}
}
}
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);
}
}
