144778 2015-05-07 18:15:00 -0700 REGRESSION (r183300): Fixed elements flash when scrolling 2015-05-07 23:42:16 -0700 1 1 1 Unclassified WebKit New Bugs 528+ (Nightly build) Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 1 simon.fraser simon.fraser cdumez simon.fraser oldest_to_newest 1092940 0 simon.fraser 2015-05-07 18:15:00 -0700 REGRESSION (r183300): Fixed elements flash when scrolling 1092958 1 252671 simon.fraser 2015-05-07 18:31:29 -0700 Created attachment 252671 Patch 1092960 2 simon.fraser 2015-05-07 18:31:57 -0700 rdar://problem/20769741 1092973 3 252671 dino 2015-05-07 18:46:04 -0700 Comment on attachment 252671 Patch View in context: https://bugs.webkit.org/attachment.cgi?id=252671&action=review > Source/WebCore/platform/graphics/ca/GraphicsLayerCA.h:153 > - bool ancestorHasTransformAnimation; > - int treeDepth; > - CommitState() > - : ancestorHasTransformAnimation(false) > - , treeDepth(0) > - { } > + int treeDepth { 0 }; > + bool ancestorHasTransformAnimation { false }; > + bool ancestorsAllowBackingStoreDetachment { true }; Nice! 1092974 4 simon.fraser 2015-05-07 18:48:44 -0700 https://trac.webkit.org/r183970 1093042 5 cdumez 2015-05-07 23:05:23 -0700 Follow-up build fix in <http://trac.webkit.org/changeset/183980> for: """ ERROR: WebCore has a weak external symbol in it (/Volumes/Data/EWS/WebKit/WebKitBuild/Release/WebCore.framework/Versions/A/WebCore) ERROR: A weak external symbol is generated when a symbol is defined in multiple compilation units and is also marked as being exported from the library. ERROR: A common cause of weak external symbols is when an inline function is listed in the linker export file. ERROR: symbol __ZNK7WebCore15GraphicsLayerCA28allowsBackingStoreDetachmentEv Command /bin/sh failed with exit code 1 """ 1093062 6 simon.fraser 2015-05-07 23:42:16 -0700 Thanks for the build fix, Chris. 252671 2015-05-07 18:31:29 -0700 2015-05-07 18:46:04 -0700 Patch bug-144778-20150507183012.patch text/plain 10505 simon.fraser U3VidmVyc2lvbiBSZXZpc2lvbjogMTgzOTQzCmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViQ29yZS9D aGFuZ2VMb2cgYi9Tb3VyY2UvV2ViQ29yZS9DaGFuZ2VMb2cKaW5kZXggNDk1NGNiNzc2NmU4MTlk N2JiNmU4MDk4OTY1OWI1NzU4MzRhZDQzOC4uOTNlMGY3YzlkZTQyOWZhNmQ3YzU4ZDA1MjM3MmY2 MmJkNDgwODk4OCAxMDA2NDQKLS0tIGEvU291cmNlL1dlYkNvcmUvQ2hhbmdlTG9nCisrKyBiL1Nv dXJjZS9XZWJDb3JlL0NoYW5nZUxvZwpAQCAtMSw1ICsxLDQwIEBACiAyMDE1LTA1LTA3ICBTaW1v biBGcmFzZXIgIDxzaW1vbi5mcmFzZXJAYXBwbGUuY29tPgogCisgICAgICAgIFJFR1JFU1NJT04g KHIxODMzMDApOiBGaXhlZCBlbGVtZW50cyBmbGFzaCB3aGVuIHNjcm9sbGluZworICAgICAgICBo dHRwczovL2J1Z3Mud2Via2l0Lm9yZy9zaG93X2J1Zy5jZ2k/aWQ9MTQ0Nzc4CisgICAgICAgIHJk 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