Hi David, I really don't know what is up with your usage, there really isn't enough info about how you set up things to know where things are going astray.
A window being black suggest to be that rendering itself hasn't started yet, just that the window has been realized. The osgViewer doesn't support multiple viewers sharing a single GraphicsContext (this is what you should use osgViewer::CompositeViewer for so you can have multiple views sharing a single context). Robert. On Wed, Aug 13, 2008 at 7:09 PM, David Johansson <[EMAIL PROTECTED]> wrote: > Hi Everyone, > > I have a problem with threading and osg::Viewer. > > Basically i create and recreate a bunch of threads that runs a new > Viewer instance and the problem is that the viewers 'draw area' turns > up black if i ever close a Viewer. > > Thread1 creates Window1 - viewing Node1 - OK. > Thread2 creates Window2 - viewing Node1 - Ok. > User closes Window1 > Thread1 dies. > Thread3 creates Window3 - viewing Node1 -- Will turn up black > Thread4 creates Window4 - viewing Node1 -- All Ok.. > Thread5 creates Window5 - viewing Node1 -- Also Ok > User closes window 2 > Thread2 dies. > Thread6 creates Window6 - viewing Node1 -- Will turn up black > Thread7 creates Window7 - viewing Node1 -- Ok again. > User closes all windows > Thread3 - 7 dies. > Thread8 creates Window8 - viewing Node1 -- Black. > Thread9 creates Window9 - viewing Node1 -- Black. > Thread10 creates Window10 - viewing Node1 -- Black. > Thread11 creates Window11 - viewing Node1 -- Black. > Thread12 creates Window12 - viewing Node1 -- Black. > Thread13 creates Window13 - viewing Node1 -- Ok! > > I noticed that After closing all windows, i had 5 windows running that > acctually showed something(5 new Contexts??). After that i had to > create 5 threads (that were black) until getting a new view that > wasn't black. > > Looking through the code my guess is that "graphicsContexts" are > getting reused, however not reset or something like that. > > This is the code i use to set-up my viewers: > > osgViewer::Viewer viewer; > viewer.addEventHandler(new osgViewer::StatsHandler()); > viewer.addEventHandler(new osgViewer::ThreadingHandler()); > viewer.addEventHandler(new osgViewer::WindowSizeHandler()); > viewer.setSceneData(g); > viewer.setThreadingModel(osgViewer::Viewer::ThreadPerContext); /**/ > viewer.run(); > > Any help would be great! > > Regards, > > David Johansson > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
