[argyllcms] Re: 10-bit/color systems

  • From: János, Tóth F. <janos666@xxxxxxxxxx>
  • To: argyllcms@xxxxxxxxxxxxx
  • Date: Wed, 1 Dec 2010 20:34:45 +0100

Interesting.

With the FirePro V5700 (Rv7x0 chip), I measured 8 bit effective LUT bit
depth (while it's able to send out 10-bit from the framebuffers?).
With my HD5850 (Evergrenn chip, which can't -officially- send out 10-bit
from the framebuffers), I always measured 10-bit, even with DVI attached 8
bit (or 6+2 bit) displays (because it applies some kind of dithering for the
LUT output when it's connected to 8 bit devices...)

So, any pre-Evergreen FirePro user should think about this "profile only"
thing.

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