From: ext Benjamin Poulain <benja...@webkit.org<mailto:benja...@webkit.org>> Date: Thursday, February 14, 2013 8:36 AM To: Noam Rosenthal <noam.rosent...@nokia.com<mailto:noam.rosent...@nokia.com>> Cc: "luxte...@company100.net<mailto:luxte...@company100.net>" <luxte...@company100.net<mailto:luxte...@company100.net>>, "webkit-dev@lists.webkit.org<mailto:webkit-dev@lists.webkit.org>" <webkit-dev@lists.webkit.org<mailto:webkit-dev@lists.webkit.org>> Subject: Re: [webkit-dev] Testing feature suggestion: animation/interaction pixel-results "on the fly"
On Wed, Feb 13, 2013 at 11:27 PM, <noam.rosent...@nokia.com<mailto:noam.rosent...@nokia.com>> wrote: Why wasn't a ref-test a better solution in this particular case? Because gaussian blurs on the GPU are not accurate, and look slightly different on different GPUs, but usually "close enough". We need a way to measure "close enough" for features where all you can get is "close enough"! Ref-tests and pixel-tests are way to rigid for that, and require constant rebaselines and headaches. There is _NO_ gaussian blur in that patch. DongSung mentioned gaussian blur in the comment, which is what I was referring to. But other bugs as well, like delegated scrolling, also have that problem of results not being 100% the same every time.
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