[Bug 42035] no way to turn off vsync

Michal Suchanek hramrach at centrum.cz
Thu Oct 20 03:16:04 PDT 2011


Hello,

On 20 October 2011 11:38,  <bugzilla-daemon at freedesktop.org> wrote:
> https://bugs.freedesktop.org/show_bug.cgi?id=42035
>
> --- Comment #1 from Michel Dänzer <michel at daenzer.net> 2011-10-20 02:38:29 PDT ---
>> According to comments in bug 28771 a the xorg ddx is hardcoded to wait for
>> vsync
>
> That's not true anymore, the vline waits (not vsync, that can be controlled via
> driconf) can be disabled with Option "SwapbuffersWait" "off".
>
>> This should be runtime configurable, preferably per-application like dri.
>
> That would require some xserver dri2 changes first, to allow the driver to tell
> the different cases apart. There's been some discussion about this on the
> xorg-devel list, started by Chris Wilson.

Anyone can point at the discussion or say what the problem is with this?

I cannot find it in the archives (which have broken search and broken
HTML and are hidden).

Thanks

Michal


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