On 31 Jan 2002, Michel [ISO-8859-1] Dänzer wrote:
> On Mit, 2002-01-30 at 15:56, Vladimir Dergachev wrote:
> >
> > On Wed, 30 Jan 2002, Vladimir Dergachev wrote:
> >
> > > http://gatos.sf.net/ - they were there last time I submitted a patch.. but
> > > it did not get in. Just to make sure I am not pulling your leg.. Yep, they
> > > are there: search for R128WaitForIdle(pScrn) function.
> >
> > I've implemented this (easier than software CCE) scheme. If you want to
> > please try the latest ati.2 CVS code at http://gatos.sf.net - or just take
> > a look at it.
>
> I will.
>
> > Basically I put in info->accel->Sync(pScrn) at entrance points into Xv
> > driver. SetupImageVideo, StopVideo, SetPortAttribute, GetPortAttribute and
> > PutVideo are all "control" calls, perfomance is not critical. PutImage
> > should, arguably, take more time during image trasfer.. And if you are
> > playing Quake and watching DVD at the same you are making problems for
> > yourself anyway ;) (And the faster the card the less noticable any
> > slowdown from extra Sync calls will be)
>
> How does this interact with the CCE being used for the image transfer in
> PutImage (if at all)?
Not much. We are waiting for the card to finish doing whatever it was
doing and only then we start the transfer. The only difference is that we
wait for quiescence the right way.
Vladimir Dergachev
>
>
> --
> Earthling Michel Dänzer (MrCooper)/ Debian GNU/Linux (powerpc) developer
> XFree86 and DRI project member / CS student, Free Software enthusiast
>
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