Wyatt, Out of very idle curiosity, why would you render at 2KHz when the eye can't really detect movement beyond 60Hz? Would it just be for rendering individual frames for a movie?
PhilT -----Original Message----- From: osg-users-boun...@lists.openscenegraph.org [mailto:osg-users-boun...@lists.openscenegraph.org]on Behalf Of Wyatt Earp Sent: 11 July 2009 19:08 To: OpenSceneGraph Users Subject: Re: [osg-users] frame rate faster than monitor vsync? I have renderered in excess of 2 KHz on ocassion. Wyatt On 7/11/09, Ulrich Hertlein <u.hertl...@sandbox.de> wrote: > Hi Bob, > > On 10/7/09 9:05 PM, Bob Youmans wrote: >> Hi, does anyone know if it’s possible to run faster than the 60Hz vsync >> or 100Hz osg limit, if computational performance is the ultimate goal >> even at the expense of “tearing.” Can I get 600 fps by turning off vsync >> (or something else, it didn’t work on my box)? Is the graphics card >> driver/model involved? How can you tell which ones will work without >> actually buying it? > > If you turn off vsync then OSG will render as fast as possible, without any > artificial > limitation. There's no 100 Hz OSG limit that I'm aware of except maybe in > the DB pager. > > Sure you can get 600 fps if you're willing to accept tearing (or render > offscreen), even > my GeForce 8600M GT laptop gives me over 1000 fps for moderately complex > models. And yes, > the graphics card is obviously involved (the faster the better) and so is > the driver. > > If you're not seeing more than vsync fps then the reason is most likely due > to setup, e.g. > a driver settings forcing vsync on or __GL_SYNC_TO_VBLANK being set on > Linux. > > Cheers, > /ulrich > _______________________________________________ > 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
