RESOLVED FIXED 80368
pinch-to-zoom and double-tap flicker when using the new scrolling model 
https://bugs.webkit.org/show_bug.cgi?id=80368
Summary pinch-to-zoom and double-tap flicker when using the new scrolling model
Anders Carlsson
Reported 2012-03-05 19:45:40 PST
pinch-to-zoom and double-tap flicker when using the new scrolling model
Attachments
Patch (13.66 KB, patch)
2012-03-05 19:55 PST, Anders Carlsson 		no flags
DetailsFormatted DiffDiff
Patch (14.06 KB, patch)
2012-03-05 20:23 PST, Anders Carlsson 		sam: review+
DetailsFormatted DiffDiff
Show Obsolete (1) View All Add attachment proposed patch, testcase, etc.
Anders Carlsson
Comment 1 2012-03-05 19:55:39 PST
Created attachment 130271 [details] Patch
Build Bot
Comment 2 2012-03-05 20:17:33 PST
Comment on attachment 130271 [details] Patch Attachment 130271 [details] did not pass mac-ews (mac): Output: http://queues.webkit.org/results/11834148
Anders Carlsson
Comment 3 2012-03-05 20:23:03 PST
Created attachment 130275 [details] Patch
Sam Weinig
Comment 4 2012-03-05 20:28:40 PST
Comment on attachment 130275 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=130275&action=review > Source/WebKit2/WebProcess/WebPage/mac/TiledCoreAnimationDrawingArea.mm:141 > +static void dispatchBackToMainThread(uint64_t webPageID, uint64_t callbackID) Please consider renaming this to dispatchForceRepaintBackToMainThread or something like that. Or just add a fixme about adding barriers/fences.
Anders Carlsson
Comment 5 2012-03-05 20:33:58 PST
Committed r109843: <http://trac.webkit.org/changeset/109843>
mitz
Comment 6 2012-03-05 20:35:12 PST
Comment on attachment 130275 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=130275&action=review > Source/WebCore/platform/graphics/ca/mac/TileCache.mm:95 > + IntRect scaledRect = rect; > + scaledRect.scale(m_scale); IntRect::scale() truncates the origin and the size. I think this can cause problems.
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