RESOLVED FIXED Bug 221391
[CoordinatedGraphics] The whole content is unnecessarily repainted by animations in non-AC mode pages 
https://bugs.webkit.org/show_bug.cgi?id=221391
Summary [CoordinatedGraphics] The whole content is unnecessarily repainted by animati...
Fujii Hironori
Reported 2021-02-03 23:48:34 PST
Created attachment 419250 [details] debug-logging.patch [CoordinatedGraphics] The whole content is unnecessarily repainted by animations 1. Apply the debug logging patch and build GTK port 2. Start GTK MiniBrowser 3. Open the test content 4. the log indicates that the whole content is unnecessarily repainted
Attachments
debug-logging.patch (711 bytes, patch)
2021-02-03 23:48 PST, Fujii Hironori 		no flags
DetailsFormatted DiffDiff
test case (21 bytes, text/html)
2021-02-03 23:49 PST, Fujii Hironori 		no flags
Details
WIP patch (677 bytes, patch)
2021-02-03 23:49 PST, Fujii Hironori 		no flags
DetailsFormatted DiffDiff
WIP patch (1.47 KB, patch)
2021-02-04 15:57 PST, Fujii Hironori 		no flags
DetailsFormatted DiffDiff
Patch (3.14 KB, patch)
2021-02-04 16:46 PST, Fujii Hironori 		no flags
DetailsFormatted DiffDiff
Patch (5.78 KB, patch)
2021-02-16 23:21 PST, Fujii Hironori 		no flags
DetailsFormatted DiffDiff
Patch (5.62 KB, patch)
2021-02-17 20:33 PST, Fujii Hironori 		no flags
DetailsFormatted DiffDiff
Patch (5.90 KB, patch)
2021-02-18 23:39 PST, Fujii Hironori 		no flags
DetailsFormatted DiffDiff
Show Obsolete (6) View All Add attachment proposed patch, testcase, etc.
Fujii Hironori
Comment 1 2021-02-03 23:49:06 PST
Created attachment 419252 [details] test case
Fujii Hironori
Comment 2 2021-02-03 23:49:55 PST
Created attachment 419253 [details] WIP patch
Fujii Hironori
Comment 3 2021-02-04 12:08:26 PST
Comment on attachment 419253 [details] WIP patch With this patch, layer animations don't work if AC mode is disabled. For example, https://webkit.org/ https://webkit.org/blog-files/3d-transforms/morphing-cubes.html
Fujii Hironori
Comment 4 2021-02-04 12:19:51 PST
How can I know the dirty area for layer animations? GTK, PlayStation and WinCairo ports are still supporting non-AC mode for WebKit2. If AC is disabled, the dirty area should be notified by using WebChromeClient::invalidateContentsAndRootView.
Fujii Hironori
Comment 5 2021-02-04 12:54:50 PST
Another example of a layer animation: attachment#409968 [details] This animation doesn't work if AC is disabled even without the WIP patch.
Fujii Hironori
Comment 6 2021-02-04 15:57:08 PST
Created attachment 419331 [details] WIP patch
Fujii Hironori
Comment 7 2021-02-04 16:46:38 PST
Created attachment 419339 [details] Patch
EWS
Comment 8 2021-02-07 12:25:29 PST
Committed r272476: <https://commits.webkit.org/r272476> All reviewed patches have been landed. Closing bug and clearing flags on attachment 419339 [details].
Radar WebKit Bug Importer
Comment 9 2021-02-10 14:43:06 PST
<rdar://problem/74207093>
Fujii Hironori
Comment 10 2021-02-16 22:17:00 PST
Committed r272986 (234189@main): <https://commits.webkit.org/234189@main>
Fujii Hironori
Comment 11 2021-02-16 22:18:42 PST
*** Bug 222026 has been marked as a duplicate of this bug. ***
Fujii Hironori
Comment 12 2021-02-16 22:20:20 PST
GTK port was crashing since r272476 (See Bug 222026 for detail). r272986 reverted r272476. Reopened.
Fujii Hironori
Comment 13 2021-02-16 23:21:32 PST
Created attachment 420603 [details] Patch
Lauro Moura
Comment 14 2021-02-17 05:58:58 PST
(In reply to Fujii Hironori from comment #13) > Created attachment 420603 [details] > Patch Tested locally and this version indeed does not trigger the crash reported in bug222026.
Fujii Hironori
Comment 15 2021-02-17 12:11:58 PST
Committed r273019 (234220@main): <https://commits.webkit.org/234220@main>
Fujii Hironori
Comment 16 2021-02-17 17:47:11 PST
Committed r273054 (234252@main): <https://commits.webkit.org/234252@main>
Fujii Hironori
Comment 17 2021-02-17 17:54:42 PST
some tests were timing out after r273019. https://build.webkit.org/#/builders/57/builds/178 r273054 reverted r273019. Reopended.
Fujii Hironori
Comment 18 2021-02-17 20:10:11 PST
(In reply to Fujii Hironori from comment #17) > some tests were timing out after r273019. requestAnimationFrame didn't work because m_dirtyRegion.isEmpty() is true. If DrawingAreaCoordinatedGraphics::triggerRenderingUpdate is called, DrawingAreaCoordinatedGraphics::display must be called. LayerTreeHost has m_scheduledWhileWaitingForRenderer. I think DrawingAreaCoordinatedGraphics also should have a flag (e.g. m_scheduledWhileWaitingForDidUpdate) for the same purpose.
Fujii Hironori
Comment 19 2021-02-17 20:33:36 PST
Created attachment 420790 [details] Patch
Fujii Hironori
Comment 20 2021-02-17 21:49:09 PST
Comment on attachment 420790 [details] Patch Clearing flags on attachment: 420790 Committed r273063 (234261@main): <https://commits.webkit.org/234261@main>
Fujii Hironori
Comment 21 2021-02-17 21:49:15 PST
All reviewed patches have been landed. Closing bug.
Fujii Hironori
Comment 22 2021-02-18 12:37:15 PST
It seems that r273063 added another timing out for GTK Debug. However, because GTK Debug was exiting early even without my patch, it's difficult to compare. GTK Release layout tests look fine even after r273063. I'm going to revert my patch again, and reland my patch after fixing other crashing and timeout bugs.
Fujii Hironori
Comment 23 2021-02-18 12:47:16 PST
Committed r273095 (234293@main): <https://commits.webkit.org/234293@main>
Fujii Hironori
Comment 24 2021-02-18 13:00:56 PST
r273095 reverted r273063. Reopened.
Fujii Hironori
Comment 25 2021-02-18 23:39:07 PST
Created attachment 420928 [details] Patch
Fujii Hironori
Comment 26 2021-02-23 11:55:45 PST
Comment on attachment 420928 [details] Patch Clearing flags on attachment: 420928 Committed r273327 (234480@main): <https://commits.webkit.org/234480@main>
Fujii Hironori
Comment 27 2021-02-23 11:55:52 PST
All reviewed patches have been landed. Closing bug.
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