Hi Jinh, First thing I would try is to run your application single threaded. If this fixes the crash then it would indicate a threading issue with how you are going about adding/remove elements of the scene graph.
You don't describe any of details of what threads are doing what so I can't speculate any further as to what you might be doing wrong. As a general guide, the OSG is designed for the main scene graph to be updated only in the update and event phases/traversals where the scene graph itself is being traversed single threaded. Robert. On Thu, 26 Jul 2018 at 14:14, Jinh Tang <[email protected]> wrote: > > Hi, > I am doing them real-time rendering application development with Qt + OSG. > I created several threads to create new Geometry and in GUI - main threads, > try to remove the old one and add new ones. > > 1, already set node and geometry to user dynamic. > geometry->setDataVariance(osg::Object::DYNAMIC) > geode_->setDataVariance(osg::Object::DYNAMIC); > 2, already used osg smart point everywhere. > 3, geometry is created in other threads. and post to a global queue. > 4, in Main thread. PaintGL event will add&remove geometry in "autoAddRemove" > function. > void OSGMeshRender::paintGL() { > autoAddRemove(); > viewer_->frame(); > } > 5, the setup work for qt+osg is almost same like this blog, nothing speical. > vicrucann.github.io/tutorials/cmake-qt-osg-1/ > > > I got below crash sometimes when I add&remove drawable. > > 0000082`873ba218 : nvoglv64+0x927b51 > 00000075`2b19bf61 : osg156_osgrd!osg::GLBufferObject::deleteGLObject+0x69 > [c:\users\code\openscenegraph-openscenegraph-3.6.0\src\osg\bufferobject.cpp @ > 253] > 00000075`2b19bf61 : > osg156_osgrd!osg::GLBufferObjectSet::flushDeletedGLBufferObjects+0x25e > [c:\users\code\openscenegraph-openscenegraph-3.6.0\src\osg\bufferobject.cpp @ > 554] > 0000018c`3829dc50 : > osg156_osgrd!osg::GLBufferObjectManager::flushDeletedGLObjects+0x7e > [c:\users\code\openscenegraph-openscenegraph-3.6.0\src\osg\bufferobject.cpp @ > 984] > *** WARNING: Unable to verify checksum for osg156-osgUtilrd.dll > 0000018c`2e070d90 : osg156_osgrd!osg::ContextData::flushDeletedGLObjects+0x65 > [c:\users\code\openscenegraph-openscenegraph-3.6.0\src\osg\contextdata.cpp @ > 88] > *** WARNING: Unable to verify checksum for osg156-osgViewerrd.dll > 0000018c`37fcbb60 : osg156_osgUtilrd!osgUtil::SceneView::draw+0xdb > [c:\users\code\openscenegraph-openscenegraph-3.6.0\src\osgutil\sceneview.cpp > @ 987] > 0000018d`01da2350 : osg156_osgViewerrd!osgViewer::Renderer::cull_draw+0x309 > [c:\users\code\openscenegraph-openscenegraph-3.6.0\src\osgviewer\renderer.cpp > @ 887] > 00000000`00000000 : osg156_osgrd!osg::GraphicsContext::runOperations+0x99 > [c:\users\code\openscenegraph-openscenegraph-3.6.0\src\osg\graphicscontext.cpp > @ 696] > 00000000`000003f9 : > osg156_osgViewerrd!osgViewer::ViewerBase::renderingTraversals+0xc2d > [c:\users\code\openscenegraph-openscenegraph-3.6.0\src\osgviewer\viewerbase.cpp > @ 8 > 00000000`000003f9 : > osg156_osgViewerrd!osgViewer::ViewerBase::frame > > attached windbg callstack. > > > any suggestion? fully appreciate!!! > ... > > Thank you! > > Cheers, > > ------------------ > Read this topic online here: > http://forum.openscenegraph.org/viewtopic.php?p=74388#74388 > > > > > > _______________________________________________ > 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
