[PD] very bad GEM performance

[Peter Plessas]

Hi,

just a guess, but perhaps the graphics card needs more memory in dual 
head mode, therefore being unable to use DRI?

cheerio, Peter

Georg Holzmann wrote:
> Hallo Frank!
> 
> Thanks for the fast answer!
> 
> 
>>Also you need to enable DRI in /etc/X11/XF86Config[-4] like:
> 
> Ah - this is the problem. Yesterday I loaded my XF86Config-4 for dual screen
> and so I have this bad performance.
> But I don't understand why, I have the same settings (only an additional
> monitor:) - maybe I must specify something special for dual screen
> (xinerama) ?
> 
> Here are my XF86Configs:
> http://grh.mur.at/XF86Config-4.dual_head
> http://grh.mur.at/XF86Config-4.single_head
> 
> with the single_head DRI works ...
> 
> LG
> Georg
>