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render/color: add wlr_color_transfer_function_get_default_luminance()

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This commit is contained in:
Simon Ser 2025-02-26 08:58:15 +01:00
parent 50537e2e6f
commit 10b8880fc7
3 changed files with 33 additions and 0 deletions
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6
include/render/color.h
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@ -56,4 +56,10 @@ void wlr_color_primaries_from_named(struct wlr_color_primaries *out,
*/
void wlr_color_primaries_to_xyz(const struct wlr_color_primaries *primaries, float matrix[static 9]);
/**
* Get default luminances for a transfer function.
*/
void wlr_color_transfer_function_get_default_luminance(enum wlr_color_transfer_function tf,
struct wlr_color_luminances *lum);
#endif

7
include/wlr/render/color.h
View file

@ -42,6 +42,13 @@ struct wlr_color_primaries {
struct wlr_color_cie1931_xy red, green, blue, white;
};
/**
* Luminance range and reference white luminance level, in cd/m².
*/
struct wlr_color_luminances {
float min, max, reference;
};
/**
* A color transformation formula, which maps a linear color space with
* sRGB primaries to an output color space.