[maemo-developers] Xsp pixel-doubling solutions for Nokia 770?
From: Eero Tamminen eero.tamminen at nokia.comDate: Mon Apr 30 10:23:37 EEST 2007
- Previous message: Xsp pixel-doubling solutions for Nokia 770?
- Next message: Xsp pixel-doubling solutions for Nokia 770?
- Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]
Hi, ext Tapani Pälli wrote: > ext Arnim Sauerbier wrote: >> Greetings again, Dear Maemo Developers, >> >> I am now porting several emulators and games to the Nokia 770, some of them shown here: >> >> http://pupnik.de/software.html > > Ultima IV used to be one of my favourite RPG:s, very nice :) > >> Many of these are acceptably fast at 320x240 but too slow at 640x480 or 800x480. The problem is >> that some SDL applications do not maintain 2x doubling but flicker to 1x scaling - example video >> here: >> >> http://pupnik.de/UQM_Xsp_SDL_Doubling_Bugs.avi > > I could not watch this video, I guess I'm missing some codecs but I can > also throw a another guess, very likely the application draws over > 400x240 area. With 770 there is no clipping done for you and you have to > take care to clip your drawing to 400x240 when using pixeldoubler. IIRC > this is fixed for N800 (?) > > Please note that pixeldoubler is very platform specific thing and for it > to work you have to touch the code, there's no way around it. Also, it's > not very 'official' feature for gaming (at least yet) so it's not very > well supported. Hopefully we can build some safety around it in the > future as it's very useful for gaming. Even if you take care of > clipping, a system-modal dialog or infoprint popping from the UI can > destroy the current view. And if the game doesn't disable the double pixeling properly (e.g. if it crashes or freezes), user needs to reboot the device. Not very nice either... - Eero
- Previous message: Xsp pixel-doubling solutions for Nokia 770?
- Next message: Xsp pixel-doubling solutions for Nokia 770?
- Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]