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Merge branch 'cicp-color-states' into 'main'

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Fix the hlg transfer function

See merge request GNOME/gtk!7493
This commit is contained in:
Matthias Clasen
2024-07-25 01:19:02 +00:00
parent 29cb5051d4 c9443dd04d
commit e216fa3b6d
2 changed files with 1 additions and 4 deletions
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2
gdk/gdkcolordefs.h
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@@ -99,7 +99,7 @@ hlg_eotf (float v)
if (v <= 0.5) if (v <= 0.5)
return (v * v) / 3; return (v * v) / 3;
else else
return expf (((v - c) / a) + b) / 12.0; return (expf ((v - c) / a) + b) / 12.0;
} }
static inline float static inline float

3
gdk/gdkcolorstate.c
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@@ -632,13 +632,10 @@ gdk_color_state_new_for_cicp (const GdkCicp *cicp,
eotf = pq_eotf; eotf = pq_eotf;
oetf = pq_oetf; oetf = pq_oetf;
break; break;
#if 0
/* round-trip tests for hlg are failing, for some reason */
case 18: case 18:
eotf = hlg_eotf; eotf = hlg_eotf;
oetf = hlg_oetf; oetf = hlg_oetf;
break; break;
#endif
default: default:
g_set_error (error, g_set_error (error,
G_IO_ERROR, G_IO_ERROR_FAILED, G_IO_ERROR, G_IO_ERROR_FAILED,