diff options
author | Pekka Paalanen <pekka.paalanen@collabora.com> | 2023-09-20 15:23:09 +0300 |
---|---|---|
committer | Pekka Paalanen <pq@iki.fi> | 2024-05-06 10:39:42 +0000 |
commit | a7a47503f19338fe29b7db3ba1fc48e15e207944 (patch) | |
tree | 899c66ae7a13298e28ae5c728ca91d57a18fcffc /man | |
parent | 627dcde086db03d2d1b6c775a0c2eefeafd57777 (diff) |
frontend: add colorimetry-mode to weston.ini
This output section key is used to program the KMS connector property
"Colorspace" when used with the DRM-backend.
This is an essential part in defining the color encoding used in the
video signal, and may allow wide color gamut even on SDR.
Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
Diffstat (limited to 'man')
-rw-r--r-- | man/weston.ini.man | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/man/weston.ini.man b/man/weston.ini.man index a6b10b40..28718033 100644 --- a/man/weston.ini.man +++ b/man/weston.ini.man @@ -596,6 +596,36 @@ A comma separated list of the IDs of applications to place on this output. These IDs should match the application IDs as set with the xdg_shell.set_app_id request. Currently, this option is supported by kiosk-shell. .TP 7 +.BI "colorimetry-mode=" default +Sets the colorimetry mode on the output. The colorimetry mode together with +the EOTF mode below define the color encoding used in the video signal. The +colorimetry mode is used for choosing between the default sink defined +colorimetry (intended to be described by EDID), and standardised other +encodings that support wide color gamut (WCG). + +The display driver, the graphics card, and the video sink (monitor) need to +support the chosen mode, otherwise the result is undefined or fails. + +The mode can be one of the following strings: +.PP +.RS 10 +.nf +.BR "default " "default (RGB) colorimetry, video sink dependant" +.BR "bt2020cycc " "Rec. ITU-R BT.2020 constant luminance YCbCr" +.BR "bt2020ycc " "Rec. ITU-R BT.2020 non-constant luminance YCbCr" +.BR "bt2020rgb " "Rec. ITU-R BT.2020 RGB" +.BR "p3d65 " "SMPTE ST 2113 DCI-P3 RGB D65" +.BR "p3dci " "SMPTE ST 2113 DCI-P3 RGB Theater" +.BR "ictcp " "Rec. ITU-R BT.2100 ICtCp" +.fi +.RE +.IP +Defaults to +.BR default ". Non-default modes require " "color-management=true" . + +Note: The operating system might not honor the choice between RGB and YCbCr, +that may be picked by a Linux display driver automatically. +.TP 7 .BI "eotf-mode=" sdr Sets the EOTF mode on the output. This is used for choosing between standard dynamic range (SDR) mode and the various high dynamic range (HDR) modes. The |