[Webkit-unassigned] [Bug 82147] canvas renders slowly possibly related to scaling

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=82147


Simon Fraser (smfr) <simon.fraser at apple.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
     Ever Confirmed|0                           |1




--- Comment #1 from Simon Fraser (smfr) <simon.fraser at apple.com>  2012-11-26 10:48:47 PST ---
So there are two issues here:
1. Performance
2. The overlay canvas is the wrong size.

I profiled while running, and almost all the time is running JS, so it's not a canvas drawing performance issue.

Attaching a screenshot showing the rendering issue.

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