[maemo-developers] Questions about GUI design on N800

From: Daniel Stone daniel.stone at nokia.com
Date: Fri Feb 23 12:16:56 EET 2007
On Fri, Feb 23, 2007 at 12:21:36PM +0200, ext sampo.nurmentaus at movial.fi wrote:
> >On Fri, Feb 23, 2007 at 09:15:16AM +0200, ext maemo-developers-bounces at maemo.org wrote:
> >>Did I got you right? 800x480 is the default on N800.
> >>
> >>Haven't tested screen rotation on N800. On
> >>770 it worked, but one had to gave up few
> >>optimizations: http://syslog.movial.fi/archives/7-xrandr-on-nokia-770.html
> >>
> >>Easiest way is to just run xrandr on N800 and see what happens.
> >
> >That will rotate in software, which is immensely slow.  The LCD
> >controller (Hailstorm) can rotate on scanout in hardware, so using that
> >won't be a performance hit, will still let you display videos, and will
> >generally be a great deal faster.
> That's dtrue and of course should be preffered over software
> solution. The only advance of the software solution is that it can be
> easily controlled from the application, but if the goal is to run
> nothing but this software in "kiosk mode" I would also vote for the
> HW solution.

The hardware solution can also be controlled from software, via the
exact same API (XRandR).  It's just a matter of actually implementing
it; the use is exactly the same.

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