[maemo-developers] Questions about GUI design on N800

[From: sampo.nurmentaus at movial.fi]

Hi,

> On Fri, Feb 23, 2007 at 09:15:16AM +0200, ext maemo-developers-bounces at maemo.org wrote:
>>> 1. Is it possible to use the display of the N800 in portrait orientation?
>>> My application currently runs on a display that is 640x480.  800x480 would
>>> be a big advantage, but I can't figure out how to reorganize my layout for
>>> 480x800.
>>
>> 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.

Br,
Sampo