ATI 6.12.4 on ultraSparc runs slow

[jean-francois simon]

2010/3/24 Michel Dänzer <michel at daenzer.net>

> > so it is PIO not DMA? just curious, where is the code that is doing
> > that transfer?
>
> shadowUpdatePacked() in xserver/miext/shadow/shpacked.c .
>
>
> very interesting thanks.
i can see that this transfer is being triggered by something called  the
shadow block handler. and i am thinking maybe this is not done often enough,
thus explaning the slow videos?
-jfs
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