Hi Ryan, Thanks for the tip but it doesn't change anything for me... :/ The solution will be to not display the video in full resolution on the 2 screens for the moment.
On Thu, Sep 11, 2008 at 4:18 PM, Kawicki, Ryan H <[EMAIL PROTECTED]>wrote: > I am not an expert in this area, but our application seems to suffer from > this as well. I don't think this has to do with OSG. I believe it to be > more driver related. > > Do you have VSync turned on? If you do, force VSync to be always off and > retest. > > > *Ryan H. Kawicki* > The Boeing Company > Training Systems & Services > Software Engineer > ------------------------------ > *From:* Serge Lages [mailto:[EMAIL PROTECTED] > *Sent:* Thursday, September 11, 2008 4:53 AM > *To:* OpenSceneGraph Users > *Subject:* [osg-users] Strange behavior with multiple screens and > ImageStream > > Hi all, > > We've made an ImageStream using FFmpeg to display movies on textures, but I > am currently facing some problem when displaying this movie on two different > contexts. Here is my setup : > > WinXP with one GForce 8600GTS and 2 screens, viewer on DrawThreadPerContext > mode (OSG SVN head version). > > When I only have one screen but two windows (with a different context per > window), everything works fine, the movie is displayed on the 2 windows > without any problem. When I plug a second screen, and I keep the same setup > (2 windows rendered into the first screen), I have a huge frame drop (more > than 20 fps) when rendering my movie (note that in this configuration, > nothing is displayed on the second screen). Same thing happens if I use the > 2 screens (with each window in full screen mode on each screen). > > I really don't understand why adding a new screens make this difference, > moreover it's the only thing in my application that suffer like that from > the second screen. Does it ring a bell to someone ? > > Thanks in advance ! > > -- > Serge Lages > http://www.tharsis-software.com > > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > > -- Serge Lages http://www.tharsis-software.com
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