[ubuntu-x] DRi2 intel drivers in Jaunty?

[Peter Clifton]

On Sat, 2009-01-24 at 10:10 +0200, Timo Aaltonen wrote:
> On Fri, 23 Jan 2009, Peter Clifton wrote:
> 
> > On Fri, 2009-01-23 at 20:13 +0200, Timo Aaltonen wrote:
> >> On Fri, 23 Jan 2009, Peter Clifton wrote:
> >>
> >>> Hi guys..
> >>>
> >>> I was just about to write an email asking if there were any plans to get
> >>> the 2.6.x intel driver into Jaunty, with / without DRI2 support, and it
> >>> turns out the packages hit the repositories about 3 hours ago ;).
> >>
> >> :)
> >>
> >>> What this does mean.. is that you might start to see some reports of
> >>> corrupt alpha rendering with compiz. (I've been testing locally with the
> >>> new intel drivers for a while now.. and have been debugging that issue).
> >>
> >> Is this with UXA? I haven't seen any corruption so far on my X61 which has
> >> 965GM, but using the default which is EXA. I know there are some problems
> >> with UXA but haven't tried it out at all yet.
> >
> > Sure. I wasn't aware EXA was the released default, I am indeed using
> > UXA. I've got a GM45, but the driver code-paths should be the same.
> 
> Ok think I'm seeing the same corruption.. The popup menus/windows colors 
> are wrong until they are fully opened? Doesn't seem too distracting, at 
> least not yet :)

Here are the debdiffs I've used so far.. I'm not sure I bumped all the
inter-dependencies correctly though, but it should give you an idea of
the code changes required to work around the problem.

Unfortunately, we need to track the alpha channel on a per-texture basis
(or we break window shadows), otherwise we could get the required
information about the redirected window without having to break ABI.

Best wishes,

-- 
Peter Clifton

Electrical Engineering Division,
Engineering Department,
University of Cambridge,
9, JJ Thomson Avenue,
Cambridge
CB3 0FA

Tel: +44 (0)7729 980173 - (No signal in the lab!)
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