commit | efafd57be8cef22097ba2c26b27fdda71d6f12e0 | [log] [tgz] |
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author | senorblanco@chromium.org <senorblanco@chromium.org@2bbb7eff-a529-9590-31e7-b0007b416f81> | Wed Oct 30 21:57:04 2013 +0000 |
committer | senorblanco@chromium.org <senorblanco@chromium.org@2bbb7eff-a529-9590-31e7-b0007b416f81> | Wed Oct 30 21:57:04 2013 +0000 |
tree | 21046bbc177fed1f8d29fb07deb79411d0d6b420 | |
parent | d91c9eac7cc13869ffa5e93b9862d1d5ccb6587a [diff] |
Implement SSE2-based implementations of the morphology filters (dilate & erode). This gives a 3-5X speedup over the naive implementation, and also mitigates a timing-based security attack in Chrome (https://code.google.com/p/chromium/issues/detail?id=251711). NOTE: this will require a corresponding GYP change on the Skia roll into Chrome: https://codereview.chromium.org/52453004/ R=mtklein@google.com, reed@google.com Review URL: https://codereview.chromium.org/52603004 git-svn-id: http://skia.googlecode.com/svn/trunk/src@12038 2bbb7eff-a529-9590-31e7-b0007b416f81