[Webkit-unassigned] [Bug 110357] ClippPath artifacts due to mask image clamping

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=110357





--- Comment #1 from Florin Malita <fmalita at chromium.org>  2013-02-20 11:03:39 PST ---
I don't see an ideal solution here, but I'll throw in a couple of ideas:

* try harder to avoid mask-based clipping - the graphics backends should be able to handle multiple simple shapes with consistent fill-rules natively

* do not cache the mask image for objects with a size > 4096px, but instead always draw it on the fly clamped to the current clip region (which, presumably, is < 4096px). This would avoid mask scaling issues but the result is not cacheable since it doesn't cover the whole object.

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