https://bugs.kde.org/show_bug.cgi?id=455720
Zamundaaa <xaver.h...@gmail.com> changed:
What |Removed |Added
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CC| |xaver.h...@gmail.com
--- Comment #1 from Zamundaaa <xaver.h...@gmail.com> ---
GAMMA_LUT is not legacy at all, CTM is supposed to be used in combination with
gamma and degamma, not instead of it. That's at least the state with upstream
drivers and desktop GPUs: the color pipeline is degamma -> ctm -> gamma.
Support for using the CTM without gamma and degamma can be added though - I
just need to figure out how to generate the needed color transformation
matrix...
ChromiumOS hardcodes a single CTM for "night color enabled", which is not very
useful for us - we have brightness, ICC profile, night mode and soon gamma
adjustment that all need to play together.
Afaiu the 3x3 CTM that drm provides is also a lot less accurate than the LUTs,
so that may complicate things as well - we might need to quantify that error
and fall back to a shader based solution instead where needed.
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