Rockbox mail archiveSubject: Re: Soft Scrolling & CPU usage
Re: Soft Scrolling & CPU usage
From: Linus Nielsen Feltzing <linus_at_haxx.se>
Date: Thu, 02 Jan 2003 18:05:30 +0100
> I would suggest doing the text/font-rendering stuff (ascii to pixel) to some
> hidden "pixel-buffer" and copying that to the appropriate pixelposition in
That is exactly what we do today. The lcd_update() function is what does
the copying from the frame buffer to GDRAM.
> Perhaps, this would make it necessary to some major rewrite of the lcd
> manipulation routines - but perhaps this could led to overall better
> performance and free some cpu-cycles.
> What do you think ?
Sure. Go ahead! :-)
Received on 2003-01-02