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Revert "[macOS] Use CVDisplayLink to drive repaint (#49159)" #51095
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This reverts commit 21474ee.
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@cbracken Will this need a cherry pick to the upcoming beta branch? The branch cutoff was February 28 at 5pm PST. |
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Failed to create CP due to merge conflicts. |
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Re: the cherry-pick, yes we'll need to do it, but the release branch won't exist until branch alignment is complete. @itsjustkevin and I will sync on Monday on this. |
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…144436) flutter/engine@7e8fefe...6f80444 2024-02-29 [email protected] [Impeller] use specific format for bootstrap texture. (flutter/engine#51082) 2024-02-29 [email protected] [Impeller] remove warning about device transient depth+stencil. (flutter/engine#51033) 2024-02-29 [email protected] Refactor GL rendering to prepare for GTK4 (flutter/engine#50754) 2024-02-29 [email protected] Reland "[skwasm] Clip pictures if they go beyond the bounds of the window." (flutter/engine#51077) 2024-02-29 [email protected] Revert "[macOS] Use CVDisplayLink to drive repaint (#49159)" (flutter/engine#51095) If this roll has caused a breakage, revert this CL and stop the roller using the controls here: https://autoroll.skia.org/r/flutter-engine-flutter-autoroll Please CC [email protected],[email protected],[email protected] on the revert to ensure that a human is aware of the problem. To file a bug in Flutter: https://github.com/flutter/flutter/issues/new/choose To report a problem with the AutoRoller itself, please file a bug: https://issues.skia.org/issues/new?component=1389291&template=1850622 Documentation for the AutoRoller is here: https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md
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…9159)" (flutter#51095)" This reverts commit dd3383d.
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…9159)" (flutter#51095)" This reverts commit dd3383d.
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This relands the PR reverted in #51095 Changes since the original PR: - The macOS embedder does not assume particular clock when calling the embedder API, but converts CAMediaTime to engine time and back (`FlutterTimeConverter`) - `FlutterVSyncWaiter` does not wait for displaylink callback during warmup frame. This should prevent `timeToFirstFrameRasterizedMicros` regressions. - When enforcing frame pacing the raster thread is not blocked. This should prevent `average_frame_rasterizer_time_millis` regressions. ## Pre-launch Checklist - [x] I read the [Contributor Guide] and followed the process outlined there for submitting PRs. - [x] I read the [Tree Hygiene] wiki page, which explains my responsibilities. - [x] I read and followed the [Flutter Style Guide] and the [C++, Objective-C, Java style guides]. - [x] I listed at least one issue that this PR fixes in the description above. - [x] I added new tests to check the change I am making or feature I am adding, or the PR is [test-exempt]. See [testing the engine] for instructions on writing and running engine tests. - [x] I updated/added relevant documentation (doc comments with `///`). - [x] I signed the [CLA]. - [x] All existing and new tests are passing. If you need help, consider asking for advice on the #hackers-new channel on [Discord]. <!-- Links --> [Contributor Guide]: https://github.com/flutter/flutter/wiki/Tree-hygiene#overview [Tree Hygiene]: https://github.com/flutter/flutter/wiki/Tree-hygiene [test-exempt]: https://github.com/flutter/flutter/wiki/Tree-hygiene#tests [Flutter Style Guide]: https://github.com/flutter/flutter/wiki/Style-guide-for-Flutter-repo [C++, Objective-C, Java style guides]: https://github.com/flutter/engine/blob/main/CONTRIBUTING.md#style [testing the engine]: https://github.com/flutter/flutter/wiki/Testing-the-engine [CLA]: https://cla.developers.google.com/ [flutter/tests]: https://github.com/flutter/tests [breaking change policy]: https://github.com/flutter/flutter/wiki/Tree-hygiene#handling-breaking-changes [Discord]: https://github.com/flutter/flutter/wiki/Chat
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…#51192) Reverts #51126 Initiated by: cbracken Reason for reverting: looks like this regressed Skia benchmarks: https://flutter-flutter-perf.skia.org/e/?keys=Xbf8dce9c233bce34d20e2280e3f1d8db&selected=commit%3D39653%26name%3D%2Carch%3Dintel%2Cbranch%3Dmaster%2Cconfig%3Ddefault%2Cdevice_type%3Dnone%2Cdevice_version%3Dnone%2Chost_type%3Dmac%2Csub_result%3DtimeToFirstFrameRasterizedMicros%2Ctest%3Dflutter_gallery_macos__start_up%2C&xbaroffset=39569 The regression s Original PR Author: knopp Reviewed By: {cbracken} This change reverts the following previous change: Original Description: This relands the PR reverted in #51095 Changes since the original PR: - The macOS embedder does not assume particular clock when calling the embedder API, but converts CAMediaTime to engine time and back (`FlutterTimeConverter`) - `FlutterVSyncWaiter` does not wait for displaylink callback during warmup frame. This should prevent `timeToFirstFrameRasterizedMicros` regressions. - When enforcing frame pacing the raster thread is not blocked. This should prevent `average_frame_rasterizer_time_millis` regressions. [C++, Objective-C, Java style guides]: https://github.com/flutter/engine/blob/main/CONTRIBUTING.md#style
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The original PR assumed that
fml::TimePointhas same base asCACurrentMediaTime(). However due to recent change in Dart SDK that's no longer true. Dart SDK replaced call tomach_absolute_timewithclock_gettime_nsec_np(CLOCK_MONOTONIC_RAW), whileCACurrentMediaTime()corresponds toCLOCK_UPTIME_RAW.This needs to be fixed either in Dart SDK dart-lang/sdk#55071 or the original PR needs to be relanded with appropriate conversions.
This reverts commit 21474ee.
Replace this paragraph with a description of what this PR is changing or adding, and why. Consider including before/after screenshots.
List which issues are fixed by this PR. You must list at least one issue.
If you had to change anything in the flutter/tests repo, include a link to the migration guide as per the breaking change policy.
Pre-launch Checklist
///).If you need help, consider asking for advice on the #hackers-new channel on Discord.