RESOLVED FIXED 32449
Child elements disappear, then get doubled, when changing -webkit-transform-style 
https://bugs.webkit.org/show_bug.cgi?id=32449
Summary Child elements disappear, then get doubled, when changing -webkit-transform-s...
Adam Roben (:aroben)
Reported 2009-12-11 14:07:06 PST
To reproduce: 1. Go to http://webkit.org/blog-files/3d-transforms/transform-style.html 2. Hover over the box with the blue border 3. Move your mouse out of the box with the blue border After step 2, the yellow and green rectangles disappear, but should instead be rendered flattened into the purple rectangle. After step 3, the yellow and green rectangles appear *both* flattened and unflattened, but should only appear unflattened.
Attachments
Patch (5.86 KB, patch)
2010-03-17 16:58 PDT, Chris Marrin 		no flags
DetailsFormatted DiffDiff
replacement patch (7.18 KB, patch)
2010-03-18 14:46 PDT, Chris Marrin 		simon.fraser: review+
DetailsFormatted DiffDiff
Show Obsolete (1) View All Add attachment proposed patch, testcase, etc.
mitz
Comment 1 2009-12-11 14:09:46 PST
<rdar://problem/7465615>
Chris Marrin
Comment 2 2010-03-17 16:58:59 PDT
Created attachment 50972 [details] Patch
Chris Marrin
Comment 3 2010-03-18 14:46:06 PDT
Created attachment 51097 [details] replacement patch This separates the removeFromSuperLayer loop from the insertSublayer loop in the setSublayers method. This is safer to avoid mutating the array while traversing it.
Simon Fraser (smfr)
Comment 4 2010-03-18 14:49:53 PDT
Comment on attachment 51097 [details] replacement patch r=me but this needs a layout test (written to assume that pixel and/or layer dumping is available in future).
Chris Marrin
Comment 5 2010-03-18 16:01:40 PDT
Landed in http://trac.webkit.org/changeset/56200
Chris Marrin
Comment 6 2010-03-18 16:03:47 PDT
I am working on printing the layer tree from DRT. When I land that, I will land a test for this bug as a proof of concept
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