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Subject: Re: Soft Scrolling & CPU usage
From: Linus Nielsen Feltzing (linus_at_haxx.se)
Date: 2003-01-02


for_spam_at_gmx.de wrote:
> 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
> GDDRAM,

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
> display
> manipulation routines - but perhaps this could led to overall better
> performance and free some cpu-cycles.
>
> What do you think ?

Sure. Go ahead! :-)

/Linus



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