Reland: [macOS] Use CVDisplayLink to drive repaint #51126
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cbracken
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cbracken
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| // Notify block below may be called asynchronously, hence the need to copy | ||
| // the layer information instead of passing the original pointers from embedder. |
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Thanks for adding this comment to explain why we couldn't for example, just use a std::span or otherwise to wrap the layers being passed down, which will potentially be collected before they're used by us.
…9159)" (flutter#51095)" This reverts commit dd3383d.
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…144570) flutter/engine@0d8588b...4001881 2024-03-04 matej.knopp@gmail.com Reland: [macOS] Use CVDisplayLink to drive repaint (flutter/engine#51126) 2024-03-04 jason-simmons@users.noreply.github.com Support gtest-parallel when running Impeller unit tests (flutter/engine#51079) 2024-03-04 matanlurey@users.noreply.github.com Scenario App: Adds a `run_{count}.{backend}.` file prefix to every run (on CI) (flutter/engine#51102) 2024-03-04 matanlurey@users.noreply.github.com Use Instrumentation.waitForIdleSync() after rotation requests. (flutter/engine#51169) 2024-03-04 skia-flutter-autoroll@skia.org Roll Skia from 9c7d13c05e77 to f65ecbdfb09c (1 revision) (flutter/engine#51170) 2024-03-04 dnfield@google.com Guard against API 22 (flutter/engine#51167) 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 aaclarke@google.com,rmistry@google.com,zra@google.com 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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Reason for revert: 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 starts with the engine roll containing this CVDisplayLink patch: 0d8588b...4001881 |
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A reason for requesting a revert of flutter/engine/51126 could |
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This reverts commit 4001881.
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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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…lutter#51126)" (flutter#51192)" This reverts commit 78cecee.
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…lutter#51126)" (flutter#51192)" This reverts commit 78cecee.
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[Original reland](#51126) was [reverted](78cecee) because of skiaperf regressions. The regressions are caused by runner machines running display at 30hz. ## 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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This relands the PR reverted in #51095
Changes since the original PR:
FlutterTimeConverter)FlutterVSyncWaiterdoes not wait for displaylink callback during warmup frame. This should preventtimeToFirstFrameRasterizedMicrosregressions.average_frame_rasterizer_time_millisregressions.Pre-launch Checklist
///).If you need help, consider asking for advice on the #hackers-new channel on Discord.