Re: [osg-users] ViewerBase::stopThreading() and renderers

[Cory Riddell]

Hi Robert, The reason I started to look at this flag is because I'm getting frequent access violations when shutting down my app. Usually, the problem is in GraphicsContext::runOperations(). When I shut down, I call setDone(true) on my viewer instance. I also call stopThreading() and make sure that getAllThreads(threads, true) returns 0, then I delete everything. I thought this would be sufficient, but I'm still getting an access violation in GraphicsContext::runOperations() when it tries to dereference a camera pointer and the camera has been deleted. My scene includes two cameras, the primary one and a second one to render the background. Is there some other indicator that OSG threads are still running that I should be waiting on? Cory Robert Osfield wrote: HI Cory, The Done flag is a hint to say tell threads that work should stop, so once it's stopped you want to reset things so that we you start the threads again it doesn't think that it's done again. Robert. On Mon, Jun 15, 2009 at 9:37 PM, Cory Riddell<c...@codeware.com> wrote: ViewerBase::stopThreading() includes this block of code:   for(Cameras::iterator camItr = cameras.begin();       camItr != cameras.end();       ++camItr)   {       osg::Camera* camera = *camItr;       Renderer* renderer = dynamic_cast<Renderer*>(camera->getRenderer());       if (renderer)       {           renderer->setGraphicsThreadDoesCull( true );           renderer->setDone(false);       }   } Since threading is being stopped, shouldn't the line in red be setting done to true? Cory _______________________________________________ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org _______________________________________________ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org

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