NEW63282
layoutTestController.layerTreeAsText output in WK1 differs for iframes 
https://bugs.webkit.org/show_bug.cgi?id=63282
Summary layoutTestController.layerTreeAsText output in WK1 differs for iframes
Adrienne Walker
Reported 2011-06-23 13:42:36 PDT
In trying to fix bug 60741, I wrote some tests of compositing in an iframe. The iframe source page contains a compositing trigger, e.g. tranformZ(0). The containing page has no compositing trigger. The contents of the iframe get composited properly, but layoutTestController.layerTreeAsText returns nothing unless there is a compositing trigger on the containing page as well. This can be reproduced by adding these three attached files to LayoutTests/compositing and running run-webkit-tests. Chromium prints out the expected results, but Safari prints nothing.
Attachments
Patch (5.80 KB, patch)
2011-06-23 13:46 PDT, Adrienne Walker 		no flags
DetailsFormatted DiffDiff
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Adrienne Walker
Comment 1 2011-06-23 13:46:28 PDT
Created attachment 98391 [details] Patch
Simon Fraser (smfr)
Comment 2 2012-09-18 18:21:22 PDT
layoutTestController.layerTreeAsText prints out the entire tree. WK1 can make an iframe composited without the enclosing frame being composited. Wk2 always promotes enclosing frames to be composited, hence the difference.
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