On Sun, 10 Feb 2008, Petr Stehlik wrote:
> Michael Schmitz p��e v Ne 10. 02. 2008 v 20:45 +0100:
> > > > copying changed rectangles of the shadow framebuffer to the real
> > > > framebuffer means we can focus on just one draw function to get right.
> > >
> > > This sounds good. How can one arrange it so the X draws to a shadow
> > > buffer?
> > 
> > Option      "ShadowFB"      "On"
> 
> and I also need to set "cfb8" driver? Then X will start and will draw
> somewhere offscreen? And I'll need 'just' to copy that offscreen bitmap
> to the physical framebuffer? Say the complete 800x608 once per second or
> so? (just to see if it works at all :-)

Maybe you better start looking at kdrive/tinyx? IIRC, they have some
16/24 bpp shadowfb code that converts from 16/24 bpp to 12 bpp for
some handheld devices.

Gr{oetje,eeting}s,

                                                Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- [EMAIL PROTECTED]

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                                            -- Linus Torvalds

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