[webkit-reviews] review granted: [Bug 78976] [mac] BackingStore::scroll() unnecessarily copies pixels around : [Attachment 127720] Maintain a mapping from backing store coordinates to client coordinates in the most recently scrolled rect

[bugzilla-daemon at webkit.org]

Anders Carlsson <andersca at apple.com> has granted mitz at webkit.org's request for
review:
Bug 78976: [mac] BackingStore::scroll() unnecessarily copies pixels around
https://bugs.webkit.org/show_bug.cgi?id=78976

Attachment 127720: Maintain a mapping from backing store coordinates to client
coordinates in the most recently scrolled rect
https://bugs.webkit.org/attachment.cgi?id=127720&action=review

------- Additional Comments from Anders Carlsson <andersca at apple.com>
View in context: https://bugs.webkit.org/attachment.cgi?id=127720&action=review


> Source/WebKit2/UIProcess/BackingStore.h:99
> +    // Contents of m_scrolledRect are offset by this amount (and wrapped
around) with respect to

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