Hi Lennart, I remember I once had a similar Problem. Back then I tried to render the passive window by an external thread (not the one osg::init() was called in) - don't know if this is the case with you? The trick was not to use the passive window but to use the Qt window provided by OpenSG.
Cheers, Christoph 2010/5/10 Lennart Kulf <lennart.k...@ipk.fraunhofer.de>: > Hello everyone, > > I am having a problem using Passive Windows within a Qt4 OpenGL Widget. > I wrapped a setup for a cave rendering in a class that is derived from > the SimpleSceneManager in order to leave the interface of the Manager > intact. > > I use the SimpleSceneManager's OSGWindow-member and define an > additional MultidisplayWindow, with no assigned client window. The setup > includes an own Viewport and Perspective Camera for the local window of > the SimpleSceneManager, in this case the Passive Window used within qt4, > and StereoBufferViewports together with ProjectionCameraDecorators, > which are wrapping a second PerspectiveCamera. All viewports use the > same scenegraph for rendering. I can assign two aspects, but right now I > use the same aspect for both window-members. > > The problem is that the application wont show the client window at all > and doesn't render the images on the remote clients. All socket > connections are established but the application is hanging in the > display callback of the qt widget, which is called only once and doesn't > finish. This is a call stack of the lock: > > #0 0x00007fced7199d73 in select () from /lib/libc.so.6 > #1 0x00007fcedafb3d3a in osg::SocketSelection::select () > from /usr/lib/libOSGBase.so.1 > #2 0x00007fcedafa677a in osg::GroupSockConnection::wait () > from /usr/lib/libOSGBase.so.1 > #3 0x00007fcedbd089cc in osg::MultiDisplayWindow::clientSwap () > from /usr/lib/libOSGSystem.so.1 > #4 0x00007fcedbcd1481 in osg::ClusterWindow::render () > from /usr/lib/libOSGSystem.so.1 > #5 0x000000000040761a in OSGWidgetManager::paintGL > (this=0x7fff3e6e3380) at OSGWidgetManager.cpp:46 > > We have about a handful of applications running with this > OSG-Cluster-Wrapper-setup without problems, with GLUT-Windows or > X-Windows. I wrote an additional Passive-Window test with a GLUT OpenGL > context and that one is working too. > > Does anyone of you have an idea what might be the problem here or has > experienced something similar? > > Thanks in advance! > Lennart > > > ------------------------------------------------------------------------------ > > _______________________________________________ > Opensg-users mailing list > Opensg-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/opensg-users > ------------------------------------------------------------------------------ _______________________________________________ Opensg-users mailing list Opensg-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/opensg-users
