On Fri, 16 Mar 2001, Kin Chung wrote: > >From: Sven LUTHER <[EMAIL PROTECTED]> > >On Fri, Mar 16, 2001 at 12:51:50PM +0100, Geert Uytterhoeven wrote: > > > On Fri, 16 Mar 2001, Sven LUTHER wrote: > > > > should work fine. Anyway, we never trully use 32 depth, since this is > >just 24 > > > > depth + 8bit alpha channel. I think some board support a color depth > >of 30 > > > > (10bit per component), or maybe even 36, but never 32. > > > > > > Hmm, I'm not that sure there are no RGB11/11/10 or RGB10/12/10 boards... > > > >Well, in any case, i can assure you there are non such in an iBook. > > That's for sure. The best that the chip can do is 8x8x8 with 8 bits > pad to speed-up graphics handling. Mind you, I can't see much of a > need for RGB 11/11/10 or RGB 10/12/10. Seems like overkill to me, > given that the reported human sensitivity is only about 100 shades. > Of course, one can easily find better uses for 8 bits rather than > wasting them as padding (eg special effects) :-p.
Note that human sensitivity is non-linear. Monitors are also non-linear. The net effect is that you may need much more linear levels to provide enough color resolution for the human eye. If only graphics cards and monitors would work with L*a*b* instead of RGB, we wouldn't suffer from this problem :-) 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