On Mon, 2002-12-16 at 13:34, Keith Whitwell wrote:
> Michel Dänzer wrote:
> > On Mon, 2002-12-16 at 10:47, Keith Whitwell wrote:
> > 
> >>The 830 page flipping code is turned off for some good reasons:
> >>    - I haven't seen it work without really visible corruption on the flip - 
> >>typically flashing and blank areas
> > 
> > 
> > Presumably it uses the mi shadow module, and you should try shadowfb
> > instead? Have you (or anyone else, for that matter) had a chance to try
> > my patch for the radeon driver?
> 
> I haven't.  I'll have to go back to the last email thread I had on this, with 
> Alan Hourihane, where (I think) I convinced myself once again that there was 
> no way any copying scheme could ever be completely correct, and that only 
> double-drawing could do the job properly.

I on the other hand am pretty convinced that double drawing will never
work. :) Because it doesn't handle unaccelerated primitives, or how does
it?

> However, that's not the problem with the i830 - I mean hardware flashes, image 
> breakup, etc on the flip.

I see, but even without that the mi shadow module would likely cause
problems.


-- 
Earthling Michel Dänzer (MrCooper)/ Debian GNU/Linux (powerpc) developer
XFree86 and DRI project member   /  CS student, Free Software enthusiast


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