Rockbox mail archive

• Next message: Linus Nielsen Feltzing: "Re: An invalid .mod/.ajz file"
• Previous message: Linus Nielsen Feltzing: "Re: Grayscale Display/ Picture Viewer/ HDD Upgrade"
• In reply to: for_spam_at_gmx.de: "Soft Scrolling & CPU usage"
• Next in thread: for_spam_at_gmx.de: "Re: Soft Scrolling & CPU usage"
• Reply: for_spam_at_gmx.de: "Re: Soft Scrolling & CPU usage"
• Messages sorted by: [ date ] [ thread ] [ subject ] [ author ] [ attachment ]

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

• Next message: Linus Nielsen Feltzing: "Re: An invalid .mod/.ajz file"
• Previous message: Linus Nielsen Feltzing: "Re: Grayscale Display/ Picture Viewer/ HDD Upgrade"
• In reply to: for_spam_at_gmx.de: "Soft Scrolling & CPU usage"
• Next in thread: for_spam_at_gmx.de: "Re: Soft Scrolling & CPU usage"
• Reply: for_spam_at_gmx.de: "Re: Soft Scrolling & CPU usage"
• Messages sorted by: [ date ] [ thread ] [ subject ] [ author ] [ attachment ]