On Tue, Feb 19, 2002 at 02:21:57AM +0100, Michel Dänzer wrote:
> > Why is it so more difficult to do this correctly with CCE when it worked
> > without?
> It probably didn't work without. ;) I think when DMA was used for
> XvPutImage, but not the CCE yet for 2D, then a Sync didn't wait for the
> data transfer to actually finish. So it took less CPU waiting, but the
> result was potentially incorrect.
Indeed, when you called a 2D accel function while DMA was in progress, it
caused a total system lockup. Still, the CPU load is a too high price to pay,
there must be another way.

> If the CPU usage is really a problem, an interrupt is probably the way
> to go; don't know if and how the chip supports that though.
Sounds good.

Mit freundlichen Grüßen

Peter Surda (Shurdeek) <[EMAIL PROTECTED]>, ICQ 10236103, +436505122023

--
       My mind is like a steel trap - rusty and illegal in 37 states.

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