63282 2011-06-23 13:42:36 -0700 layoutTestController.layerTreeAsText output in WK1 differs for iframes 2012-10-10 18:19:20 -0700 1 1 1 Unclassified WebKit Tools / Tests 528+ (Nightly build) Unspecified Unspecified NEW P2 Normal --- 1 enne enne enne jamesr simon.fraser oldest_to_newest 426420 0 enne 2011-06-23 13:42:36 -0700 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. 426421 1 98391 enne 2011-06-23 13:46:28 -0700 Created attachment 98391 Patch 723170 2 simon.fraser 2012-09-18 18:21:22 -0700 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. 98391 2011-06-23 13:46:28 -0700 2011-06-23 13:46:28 -0700 Patch bug-63282-20110623134626.patch text/plain 5936 enne U3VidmVyc2lvbiBSZXZpc2lvbjogODkzOTQKZGlmZiAtLWdpdCBhL0xheW91dFRlc3RzL2NvbXBv c2l0aW5nL2lmcmFtZWlzc3Vlcy9ydGwtYWJzb2x1dGUtZXhwZWN0ZWQucG5nIGIvTGF5b3V0VGVz dHMvY29tcG9zaXRpbmcvaWZyYW1laXNzdWVzL3J0bC1hYnNvbHV0ZS1leHBlY3RlZC5wbmcKbmV3 IGZpbGUgbW9kZSAxMDA2NDQKaW5kZXggMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAw MDAwMDAwMC4uOWVhODQ0ZjRiYTE2YzhhMzgzZWRmOTZiZTRiOTI3YTJjYzEzZmMxZApHSVQgYmlu YXJ5IHBhdGNoCmxpdGVyYWwgMjg2Mgp6Y21lQVNATj8ob2xIeWB1VkJxIWlhMHl+eVV7K3ZZVjJh PmkwKlopPWheaGxBJUBXcyRsSGBvazxtfT9vVG41ViYKenF2UyswT0F7a3c2WFVlaDZ5cWU1V1lj NkwlZnZLR0xvLUEzNiFXSmMpaig2WTR0VG1haEUmWFhkJjd+NyR4KHBDCnooZiFaJUFEYH1SZXFn dzt1KFFIWmNDd1o2WDlrN15wWU87cUZjZz9HYVdnMldaRDMkWDhmSnwzWnlFUWBKJTRsRgp6MmxI cFB3fWx4Ul55UEZJOGZGfHxWKDghO1dlbUFNeEd7NilUVjRpKz9ULSRRTSZNe0Y5P2lqe3huTUxH 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