On Thu, Jan 6, 2011 at 9:55 PM, Wojciech Lewandowski <[email protected]>wrote:
> Hi Tim, > > I've recently been looking hard at the "rendering backend" i.e., > RenderStage, RenderBin, etc. and the rendering traversal in > osgViewer::ViewerBase. I was surprised to find that the State dynamic object > count, and the dynamic object callback that triggers the end of the dynamic > barrier, only considers the data variance of the RenderLeaf drawables. It > doesn't seem to account at all for dynamic StateSet and StateAttribute > objects. Is this the intended behavior? I had always thought that dynamic > StateAttribute objects were protected by the dynamic object barrier. > > I remember I was doing similar research some time ago. I believe > StateAttibutes affect dynamic barrier indirectly. Dynamic StateGraphs (ie > those including dynamic StateAttributes) propagate their _dynamic value to > associated render leafs. See > StateGraph::addLeaf method. > > Yes, I missed that! Thank you very much. > Sounds like you still investigate multiple monitor performance loss ? I am > also very interested in your results.... > Yeah, I'm slowly working my way through all the mutexes and barriers... Tim > > Cheers, > Wojtek > > > ------------------------------ > _______________________________________________ > 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 > >
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