Nvidia and multihead

[Olivier Fourdan]

Net Llama! wrote:

>> [...] However, painting is
>> glacially slow with Xinerama, and judging from Xorg's CPU usage I'd say 
>> Xinerama nukes the hardware acceleration, but with Twinview everything's 
>> nice and zippy so I'm happy.
> 
> That's definitely not the case.  The nvidia driver provides full 
> acceleration with Xinerama and/or TwinView.  If that's not what you're 
> experiencing, please email linux-bugs at nvidia.com with an 
> nvidia-bug-report.log and details on how the problem can be reproduced, 
> and I'll investigate further.


Lonni,

Please correct me if I'm wrong, but I think it makes sense for Twinview 
to be faster than Xinerama as the display devices share one frame buffer 
(from NVidia documentation).

Cheers,
Olivier.