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