[Webkit-unassigned] [Bug 90949] Optimizing blend filter to ARM-NEON with intrinsics

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=90949


Zoltan Herczeg <zherczeg at webkit.org> changed:

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 Attachment #152235|review?                     |review+
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--- Comment #4 from Zoltan Herczeg <zherczeg at webkit.org>  2012-07-13 08:07:46 PST ---
(From update of attachment 152235)
r=me

View in context: https://bugs.webkit.org/attachment.cgi?id=152235&action=review

> Source/WebCore/ChangeLog:11
> +        The feBlend SVG filter modes can be greatly fasten up with ARM-NEON since
> +        we are able to calculate with 2 pixels (8 channels) at the same time.
> +        The code is written with NEON intrinsics and it doesn't affect the
> +        general - it has the same behaviour as the original algorithm.

Please mention the speedup.

> Source/WebCore/platform/graphics/filters/FEBlend.cpp:157
> +    else { // if there is just one pixel

Please use full sentences for comments.

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