[Webkit-unassigned] [Bug 185635] Web Inspector: Canvas: it takes over a minute to process a 2 second recording

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=185635

Devin Rousso <webkit at devinrousso.com> changed:

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                 CC|                            |webkit at devinrousso.com

--- Comment #2 from Devin Rousso <webkit at devinrousso.com> ---
This is most likely caused by <https://webkit.org/b/175282>.  There is no "easy" way to quickly determine if a particular visual action caused some pixels to change on the canvas, so we have to resort to checking every single pixel.  On larger canvases, this can take a long time, and the problem is compounded if there are a large number of visual actions in the recording.

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