Hey Richard, On 21 December 2016 at 10:30, Richard Hughes <hughsi...@gmail.com> wrote: > On 21 December 2016 at 09:14, Pekka Paalanen <ppaala...@gmail.com> wrote: >> so "just set the CLUT" is already an outdated approach > > This is another point: We're all talking about the > least-common-denominator approach of setting the RGB 8-bit ramps on > the logic it's the only way to set the white point without the > overhead of a shader lookup. Most modern hardware actually supports > some kind of *matrix* and LUT on the crtc output itself, although > there is no common abstract interface that's provided by libdrm, yet.
Not quite correct; the split-gamma-plus-matrix approach is already supported by KMS properties. It doesn't quite expose (or at least enumerate; it might be there if you poke sharply enough) the full spectrum of complexity that I just outlined in reply to Mattias, but it'll get there I'm sure ... Cheers, Daniel _______________________________________________ wayland-devel mailing list wayland-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/wayland-devel
