Double Buffering + Xinerama

[Michel Dänzer]

On Sam, 2012-05-05 at 19:08 +0300, naquad wrote: 
> 
> I have a quad monitor setup connected to 2 ati videocards. It sucks.
> Everything is flickering and this leads to lots of
> FrUUUUUUUUUstration.
> 
> 
> I know there's no solution for this problem atm. From what I've seen
> in dbe.c it doesn't initialize if Xinerama is enabled.
> I've tried to comment out those 2 lines (yes, thats stupid, but I
> wanted to see what'll happen) but that didn't help and error message
> was about bad drawable.
> 
> 
> I'm not a Xorg developer and don't have any previous experience with
> it, but I would like to try to implement DBE support for Xinerama.
> What should I read and where should I start? Or even better: what
> should I implement or modify in current dbe.c to make it work with
> Xinerama?

FWIW, I doubt DBE would help. IME only relatively few, old apps make use
of it.


-- 
Earthling Michel Dänzer           |                   http://www.amd.com
Libre software enthusiast         |          Debian, X and DRI developer