[Webkit-unassigned] [Bug 91620] Layout Test css3/filters/blur-filter-page-scroll-self.html is flaky on chromium since it was added.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=91620





--- Comment #4 from Chiculita Alexandru <achicu at adobe.com>  2012-07-19 11:10:10 PST ---
(In reply to comment #2)

> Does that help you?

Thanks, it did help, I found the issue. Sorry, I didn't see the link initially. 

It's the following call that is made in compositing/layer-creation/fixed-position-out-of-view.html :

window.internals.settings.setEnableCompositingForFixedPosition(true);

Judging by the name of the API it enables compositing for fixed elements, and the test that fails is actually using a fixed element, so the blur is going to be applied in hardware instead of software, thus making it look slightly different.

There are two options:
1. Make the DRT reset that flag before each test.
2. Make my test reset the flag.

Which one do you think is best?

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