[Webkit-unassigned] [Bug 89246] do not multiply/demultiply colors when alpha is 255

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=89246





--- Comment #14 from arno. <arno at renevier.net>  2012-07-27 16:16:48 PST ---
(In reply to comment #13)

> Actually, it's much faster.
> getImageData and putImageData take now 120ms and 85ms to execute with alpha 128. So, it's nearly twice faster.
> 

Sorry, I was totally mistaken. Actually, there is no performance win with that change.

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