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x11: Support the CTM (color transform matrix) RandR property

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When supported, this property allows the window system to apply a 3x3 color
correction matrix in order to transform colors from the window system's native
color space to the measured color space of a display device.

Query for this property and set the 'supports-color-transform' property in the
GetResource reply. Add support for the SetOutputCTM DBus method and plumb that
through to the server's CTM property.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1048>
This commit is contained in:
Aaron Plattner
2020-02-04 16:41:34 -08:00
committed by Marge Bot
parent bd15cfc94b
commit e88467f9d7
7 changed files with 156 additions and 0 deletions
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4
src/backends/x11/meta-output-xrandr.h
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@ -2,6 +2,7 @@
/*
* Copyright (C) 2017 Red Hat
* Copyright (C) 2020 NVIDIA CORPORATION
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
@ -38,6 +39,9 @@ void meta_output_xrandr_apply_mode (MetaOutputXrandr *output_xrandr);
void meta_output_xrandr_change_backlight (MetaOutputXrandr *output_xrandr,
int value);
void meta_output_xrandr_set_ctm (MetaOutputXrandr *output_xrandr,
const MetaOutputCtm *ctm);
GBytes * meta_output_xrandr_read_edid (MetaOutput *output_xrandr);
MetaOutputXrandr * meta_output_xrandr_new (MetaGpuXrandr *gpu_xrandr,