[Webkit-unassigned] [Bug 72078] [Chromium] Compositing with full sized fixed div causes heavy repaints

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=72078


James Robinson <jamesr at chromium.org> changed:

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--- Comment #8 from James Robinson <jamesr at chromium.org>  2012-01-04 20:54:27 PST ---
(From update of attachment 121036)
View in context: https://bugs.webkit.org/attachment.cgi?id=121036&action=review

I'm guessing the issue here is texture use that's higher than the reclaim limit but lower than the absolute limit, right?  Looks like this without this patch we're reducing to the reclaim limit on every frame, regardless of what's visible.

This change seems reasonable to me, although it's effectively making the reclaim limit much weaker. I think you definitely need tests for a subtle behavior change like this.

> Source/WebKit/chromium/ChangeLog:12
> +        No new tests as it doesn't change any functionality.

you definitely are changing functionality, so a test would be nice

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