Bug 245622

Summary:	[Cairo] Add support for gradients with non-srgb interpolation methods
Product:	WebKit	Reporter:	Sam Weinig <sam>
Component:	Platform	Assignee:	Nobody <webkit-unassigned>
Status:	NEW ---
Severity:	Normal	CC:	webkit-bug-importer
Priority:	P2	Keywords:	InRadar
Version:	Other
Hardware:	Unspecified
OS:	Unspecified

Description Sam Weinig 2022-09-24 08:30:23 PDT

Non-sRGB interpolation methods were added for CSS gradients but the Cairo backend does not yet support them. This tracks adding support.

Currently only a few tests are failing mostly due to the challenging nature of writing ref tests for gradients:

fast/gradients/gradient-using-specified-hue-interpolation-method-hsl.html
fast/gradients/gradient-using-specified-hue-interpolation-method-hwb.html
fast/gradients/gradient-using-specified-hue-interpolation-method-lch.html
fast/gradients/gradient-using-specified-hue-interpolation-method-oklch.html

Comment 1 Radar WebKit Bug Importer 2022-10-01 08:31:16 PDT

<rdar://problem/100656025>