Hi, fyi I also have need for swap sync across a networked cluster, but at the the generic OpenGL rather than OSG level. We've implemented an out of band handshake protocol in our network pipeline, but would be glad to adopt a GL standard if possible. So I'm following this topic w/ interest.
cheers -- mew On Mon, Apr 14, 2008 at 4:40 AM, Robert Osfield <[EMAIL PROTECTED]> wrote: > Hi All, > > I'm looking for feedback from users who have worked on clusters that > implement some forms of swap ready synchronization. In particular I'm > looking at any hooks into osgViewer to allow users to implement their own > swap ready implementation, also a software based swap ready could possibly > be implemented as part of the core OSG as well. > > The hook to adding a swap ready barrier into the view would look something > like: > > viewer.setSwapReadyOperation(myCustomSwapReadyOperation); > > Something like complicates the mater is that viewer on each slave of the > cluster might have more than one graphics context that its rendering too, so > in this case we'll have multiple graphics threads per slave, in which case > these threads will need to join a barrier that treats each context like a > separate machine or the barrier does a local synchronization of the threads > on a machine before joining the cluster swap ready barrier. > > I want to come up with a scheme that supports both ways above, but really > need a bit more feedback on what goes into users own swap ready codes, i.e. > what would your MyCustomSwapReadyOperation look like, i.e. what does it look > right now, this will help me better understand how the most appropriate > integration into osgViewer could be done. > > Robert. > > > > > > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > > -- Mike Weiblen -- Austin Texas USA -- http://mew.cx/ _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org

