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wayland/color-management: Add support for NTSC primaries

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Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/4062>
This commit is contained in:
Joan Torres
2024-09-13 13:01:39 +02:00
parent 1d4061f21e
commit f671fea7b9
3 changed files with 20 additions and 0 deletions
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11
clutter/clutter/clutter-color-state.c
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@ -134,6 +134,8 @@ clutter_colorspace_to_string (ClutterColorspace colorspace)
return "sRGB";
case CLUTTER_COLORSPACE_BT2020:
return "BT.2020";
case CLUTTER_COLORSPACE_NTSC:
return "NTSC";
}
g_assert_not_reached ();
@ -614,6 +616,13 @@ static const ClutterPrimaries srgb_primaries = {
.w_x = 0.3127f, .w_y = 0.3290f,
};
static const ClutterPrimaries ntsc_primaries = {
.r_x = 0.63f, .r_y = 0.34f,
.g_x = 0.31f, .g_y = 0.595f,
.b_x = 0.155f, .b_y = 0.07f,
.w_x = 0.3127f, .w_y = 0.3290f,
};
static const ClutterPrimaries bt2020_primaries = {
.r_x = 0.708f, .r_y = 0.292f,
.g_x = 0.170f, .g_y = 0.797f,
@ -628,6 +637,8 @@ clutter_colorspace_to_primaries (ClutterColorspace colorspace)
{
case CLUTTER_COLORSPACE_SRGB:
return &srgb_primaries;
case CLUTTER_COLORSPACE_NTSC:
return &ntsc_primaries;
case CLUTTER_COLORSPACE_BT2020:
return &bt2020_primaries;
}

1
clutter/clutter/clutter-color-state.h
View File

@ -36,6 +36,7 @@ typedef enum
{
CLUTTER_COLORSPACE_SRGB,
CLUTTER_COLORSPACE_BT2020,
CLUTTER_COLORSPACE_NTSC,
} ClutterColorspace;
typedef enum