On May 21, 2004 0758, Meghazi Fabien wrote:
> On Friday 21 May 2004 07:56, Doug Holland wrote:
(snip)
> > Unfortunately, IIRC, there is no reliable way to get vertical retrace
> > information from the video card in X.  SDL can do this if you're running
> > straight from the console, without X.  IIRC, AdvanceMAME running in SDL
> > console mode can sync to vertical retrace and eliminate your problem.
>
> It's hard to beleive there's no reliable way to know the state of the
> retrace register on the gfx card under X. If so, how can it be possible
> that I only encounter this problem in xmame and not in mplayer, ... ?

Some Xv implementations are permanently vsynced by default, without the 
intervention of the program using it. Yours is probably.

> > So if you have nothing else to do, go bug the X.org developers and demand
> > that they implement a way to sync with vertical retrace in the next
> > version of X.
>
> Well, if they are about to make the same mistake as Xfree86 about this
> subject, I shall bug them about that ;-)

X.org X11 is a fork of XFree86. They didn't "make the same mistake", it's the 
same codebase.

_______________________________________________
Xmame mailing list
[EMAIL PROTECTED]
http://toybox.twisted.org.uk/mailman/listinfo/xmame

Reply via email to