At this point I'm somewhat pressed for time, so I'm going to toggle the nodemask on and off and deal with the buffer swapping. Maybe when I get more time I'll revisit the disabling of windows at the viewer level.
Thanks for the info! -Chris On Fri, Aug 14, 2009 at 7:44 AM, Robert Osfield <robert.osfi...@gmail.com> wrote: > > Hi Chris, > > The current design of osgViewer is for a single viewer to have a > single frame loop, and in your case you fall out this. One possible > solution would be to have two separate viewers, each running their own > frame when required - you can't mix scene graphs or graphics contexts > in this case though. The other route is node masks as you have done, > but this won't disable the swap buffers of the associate contexts - do > to the later one would need to modify the > CompsiteViewer::renderingTraversals() method to enable the disable of > a window. > > Potentially we could evolve osgViewer to support the disabling of > windows so that all the cameras on it wouldn't rendering and no swap > buffers would be issued. Disabling cameras from updating where the > window/context is a bit more awkward though as you'd need to rendering > to the back buffer and front buffer of the camera to be disabled > before you can fully disable it, otherwise you'd end up with black > hole where the camera was. > > Robert. > > On Wed, Aug 12, 2009 at 8:15 PM, Chris Glasnapp<chris.glasn...@gmail.com> > wrote: > > Hello, > > > > I have a wxWidgets application where I'd like to setup two windows. > > The first window is interactive, so I want the framerates to be quite high. > > The second window displays a different view of the same scene, but it is not > > interactive, and I don't care much about the refresh rate. > > > > Because I'm using wxWidgets, I call frame() myself instead of calling run(). > > > > If I use a composite viewer (as I believe OSG intended for me to do), then I > > can only call frame() once, which redraws both views. What is the best way > > to achieve different framerates for the two different views? Should I set > > the nodemask of the low framerate camera to 0 for most of the time, and then > > set its nodemask to ~0, when I want it to render to its window? > > > > I'm hoping there is a better way, because I use the nodemask of the cameras > > for other purposes. > > > > Thanks! > > -Chris > > _______________________________________________ > > 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 _______________________________________________ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
