[Webkit-unassigned] [Bug 214259] REGRESSION(r264280) [GTK][WPE] fast/gradients/conic-gradient-alpha.html is failing

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=214259

Carlos Garcia Campos <cgarcia at igalia.com> changed:

           What    |Removed                     |Added
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                 CC|                            |cgarcia at igalia.com

--- Comment #5 from Carlos Garcia Campos <cgarcia at igalia.com> ---
There are two problems:

1. Now the blend is done using premultiplied alpha, since the first color stop is #00FF0000, the premultiplied is just 0, so we always end up with black color. So, just changing to use blendWithoutPremultiply() would fix the bug but...

2. There's a bug in blendWithoutPremultiply(), from is used in both fromSRGB and toSRGB.

Fixing 1 and 2 I get the right output, but the test doesn't pass yet, there's a one pixel difference for some reason.

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