With single backingstore mode, rendering was broken after scrolled and resized.
Created attachment 103994 [details] Patch
Comment on attachment 103994 [details] Patch Informal r+.
Comment on attachment 103994 [details] Patch BTW, WebKit style tries to avoid single letter variables.
Comment on attachment 103994 [details] Patch Clearing flags on attachment: 103994 Committed r93379: <http://trac.webkit.org/changeset/93379>
All reviewed patches have been landed. Closing bug.
(In reply to comment #3) > (From update of attachment 103994 [details]) > BTW, WebKit style tries to avoid single letter variables. single letter is efl coding style. Frankly, though I don't like this style, port implementation tends to be in the style of the embedding system.