[Webkit-unassigned] [Bug 171060] REGRESSION (r215469): [ios-simulator-wk2] LayoutTest compositing/animation/animation-backing.html is a flaky failure

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Fri Apr 21 03:56:26 PDT 2017


https://bugs.webkit.org/show_bug.cgi?id=171060

--- Comment #3 from Simon Fraser (smfr) <simon.fraser at apple.com> ---
The flush needs to travers tiled layers under animating layers, because we have to recompute the coverage rect as the animation runs.

After your changes, how do we ensure the recomputation of coverage rects on all layers with scrolling etc, which is used to drop backing store outside the viewport, and compute the right tiling for tiled layers?

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