[Webkit-unassigned] [Bug 137856] Some SVG filters result in bitmap corruption

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=137856

--- Comment #6 from Said Abou-Hallawa <sabouhallawa at apple.com> ---
I have found out that the problem is in calculating the absolutePaintRect of the feComposite filter when the operator is either 'in' or 'atop'. We were setting it to the absolutePaintRect of the background FilterEffect without clipping it to the maxEffectRect which we do with other non-arthimtaic operators.

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