220856 2021-01-22 03:05:45 -0800 TransformationMatrix::Recompose() and Decompose() incorrectly transpose rotation 2023-08-29 14:45:28 -0700 1 1 1 Unclassified WebKit Animations WebKit Nightly Build All All RESOLVED FIXED InRadar P2 Normal --- 1 ifernandez mattwoodrow cdumez dino graouts krit mrobinson simon.fraser webkit-bug-importer oldest_to_newest 1721544 0 ifernandez 2021-01-22 03:05:45 -0800 The computation of quaternions during matrix decomposition looks like it's based off of the matrix transpose. The matrix data is actually column major order but the quaternion operations seem to assume row major order. More info in the equivalent chromium bug: https://bugs.chromium.org/p/chromium/issues/detail?id=929841 1723678 1 webkit-bug-importer 2021-01-29 03:06:11 -0800 <rdar://problem/73747851> 1974101 2 mattwoodrow 2023-08-28 18:03:58 -0700 Pull request: https://github.com/WebKit/WebKit/pull/17162 1974308 3 ews-feeder 2023-08-29 14:45:25 -0700 Committed 267424@main (a959acf1111c): <https://commits.webkit.org/267424@main> Reviewed commits have been landed. Closing PR #17162 and removing active labels.