[PD] Syncing an event with refresh rate in GEM

Thomas O Fredericks tof at danslchamp.org
Thu Oct 11 21:32:27 CEST 2007

Yes there is.
Your monitors have to have the same refresh rate in your xorg.conf (for all
your monitors) as Gems refresh rate and you have to set up the opengl params
of your card so that it refreshes the opengl in between synchs (called sync
to VBlank in my nvidia-settings panel).

On 10/11/07, Roman Haefeli <reduzierer at yahoo.de> wrote:
> On Thu, 2007-10-11 at 18:55 +0200, IOhannes m zmoelnig wrote:
> >
> > the next thing is to synchronize your trigger events with the
> gem-rendering.
> >
> while we are at: is there some way to hardsync Gem's framerate with the
> screen refresh rate?
> i noticed, that when using [gemwin <screenrefreshrate>], both are quite
> in synch, but not really. i made a patch, that shows a part of an image
> with a very width. now, when scrolling the image from right to left with
> a counter, that is hardsynced to [gemhead], i still see some glitches,
> the scrolling is not stable in movement.
> wouldn't it be cool, to have an option for [gemwin], that automatically
> hardsyncs it to screen refresh rate? [gemwin -1] ? is it possible at all
> to get 'screen clock' (i don't know how this is called correctly) on
> every os?
> roman
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