[Webkit-unassigned] [Bug 50804] [chromium] Reduce canvas.toDataURL("image/jpeg") run-time cost by 10%

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=50804


Hironori Bono <hbono at chromium.org> changed:

           What    |Removed                     |Added
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                 CC|                            |hbono at chromium.org




--- Comment #15 from Hironori Bono <hbono at chromium.org>  2010-12-14 18:21:02 PST ---
(In reply to comment #13)
> Happy to take the 10%, we are about to get faster still.  hbono is is working
> on bug 50054, which should make the encoding phase 3x faster.

This is just for your information. I have been integrating premultiply/unpremultiply operations into libjpeg-turbo so we can directly use skia pixels, i.e. we don't need Vector<JSAMPLE>. For those who are interested in it, I have uploaded a part of this change (only unpremultiply operations for SSE) to Rietveld: <http://codereview.chromium.org/5862001/>.

Regards,

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