On 12/8/06, Didier Fabert <[EMAIL PROTECTED]> wrote:
Hi,
i have some display freeze when FPS is too high (over 200), exactly if i
have
only 2 or 3. what's the matter ?
i can reproduce it only with plib version because i haven't so high FPS
with
the OSG version
with OSG version FPS is correct on the start (65-75), but after 5 minutes,
it
decrease to 4 or 5. Anybody have the same problem ?
Somehow the frame to frame timers must have a problem when the frame rates
get too high. I've seen this in both the plib and osg versions. Usually it
isn't a problem, but as hardware gets faster and faster ...
A quick (and good) fix would be to turn on the sync to vblank.
Here with (and without) sync to vblank turned on I was seeing a problem
where the fdm (yasim) would stop responding about 5 minutes into the
flight. Everything else in FG was fine, just the FDM would stop updating.
Haven't had any more time to look into it yet though. :-(
Curt.
--
Curtis Olson - University of Minnesota - FlightGear Project
http://baron.flightgear.org/~curt/ http://www.humanfirst.umn.edu/
http://www.flightgear.org
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