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Reverts "[engine] more consistently flush dart event loop, run vsync callback immediately (#56738)" #56767

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@auto-submit auto-submit bot commented Nov 22, 2024

Reverts: #56738

Initiated by: jonahwilliams

Reason for reverting: speculative revert for framework failures.

Original PR Author: jonahwilliams

Reviewed By: {jason-simmons}

This change reverts the following previous change:
Changes the following shell callbacks to flush the dart event loop:

  • OnPlatformViewSetViewportMetrics
  • OnPlatformViewDispatchPointerDataPacket
  • OnPlatformViewDispatchPlatformMessage
  • OnPlatformViewSetSemanticsEnabled
  • OnPlatformViewSetAccessibilityFeatures

Using a new TaskRunner API RunNowAndFlushMessages. If the task runner can run tasks on the current thread, this will immediately invoke a callback and then post an empty task to the event loop to ensure dart listeners fire.

This also updates the vsync waiter to use RunNowOrPostTask, so that we start vsync events as early as possible.

@auto-submit auto-submit bot added the revert of Bot Only: Tracking label for bot. Tracks new revert of pull requests. label Nov 22, 2024
@auto-submit auto-submit bot merged commit f3e0fce into main Nov 22, 2024
7 checks passed
@auto-submit auto-submit bot deleted the revert_9b9d5e67cbca1eb5bdd5c6d30605b841136b50b5 branch November 22, 2024 23:51
engine-flutter-autoroll added a commit to engine-flutter-autoroll/flutter that referenced this pull request Nov 23, 2024
github-merge-queue bot pushed a commit to flutter/flutter that referenced this pull request Nov 23, 2024
…159364)

flutter/engine@6f941c9...f776c3a

2024-11-22 skia-flutter-autoroll@skia.org Roll Skia from e7caf38140ce to
c3d9596a93f8 (2 revisions) (flutter/engine#56765)
2024-11-22 98614782+auto-submit[bot]@users.noreply.github.com Reverts
"[engine] more consistently flush dart event loop, run vsync callback
immediately (#56738)" (flutter/engine#56767)
2024-11-22 skia-flutter-autoroll@skia.org Roll Dart SDK from
8b65a7a628e2 to eb01a0430f72 (2 revisions) (flutter/engine#56764)
2024-11-22 jonahwilliams@google.com [Impeller] delete Impeller sim opt
out. (flutter/engine#56706)
2024-11-22 jason-simmons@users.noreply.github.com [Impeller] Ensure that
SnapshotControllerImpeller has a rendering context before creating the
snapshot (flutter/engine#56743)
2024-11-22 flar@google.com [DisplayList] migrate DlColorSource objects
to Impeller geometry (flutter/engine#56735)
2024-11-22 chinmaygarde@google.com [Impeller] libImpeller: Tinker on the
README. (flutter/engine#56761)
2024-11-22 jonahwilliams@google.com [Impeller] dont create temp vec for
discard. (flutter/engine#56759)
2024-11-22 skia-flutter-autoroll@skia.org Roll Fuchsia Linux SDK from
zhFzwYCH-N_wasTnM... to D5CBHuB2c-v3Zai-c... (flutter/engine#56757)
2024-11-22 skia-flutter-autoroll@skia.org Roll Dart SDK from
141291fd570d to 8b65a7a628e2 (1 revision) (flutter/engine#56755)
2024-11-22 jonahwilliams@google.com [Impeller] cache and reuse openGL
framebuffer attachments. (flutter/engine#56746)
2024-11-22 skia-flutter-autoroll@skia.org Roll Skia from 700e685861c8 to
e7caf38140ce (25 revisions) (flutter/engine#56756)
2024-11-22 skia-flutter-autoroll@skia.org Roll Dart SDK from
c1106f7e4cde to 141291fd570d (1 revision) (flutter/engine#56748)
2024-11-22 jonahwilliams@google.com [engine] more consistently flush
dart event loop, run vsync callback immediately (flutter/engine#56738)
2024-11-22 chris@bracken.jp Extract backend-specific code in
ShellTestPlatformView (flutter/engine#56722)
2024-11-22 chris@bracken.jp Eliminate
ShellTestPlatformView::BackendType::kDefaultBackendType
(flutter/engine#56744)
2024-11-22 skia-flutter-autoroll@skia.org Roll Skia from 2614590b4f32 to
700e685861c8 (1 revision) (flutter/engine#56725)
2024-11-22 skia-flutter-autoroll@skia.org Roll Dart SDK from
b36e4d731d67 to c1106f7e4cde (12 revisions) (flutter/engine#56742)
2024-11-22 chinmaygarde@google.com [Impeller] libImpeller: A C++ wrapper
to the Impeller API. (flutter/engine#56682)
2024-11-21 chinmaygarde@google.com [Impeller] Run simulator tests with
Impeller enabled. (flutter/engine#56740)

Also rolling transitive DEPS:
  fuchsia/sdk/core/linux-amd64 from zhFzwYCH-N_w to D5CBHuB2c-v3

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,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
nick9822 pushed a commit to nick9822/flutter that referenced this pull request Dec 18, 2024
…callback immediately (flutter#56738)" (flutter/engine#56767)

Reverts: flutter/engine#56738
Initiated by: jonahwilliams
Reason for reverting: speculative revert for framework failures.
Original PR Author: jonahwilliams

Reviewed By: {jason-simmons}

This change reverts the following previous change:
Changes the following shell callbacks to flush the dart event loop:

* OnPlatformViewSetViewportMetrics
* OnPlatformViewDispatchPointerDataPacket
* OnPlatformViewDispatchPlatformMessage
* OnPlatformViewSetSemanticsEnabled
* OnPlatformViewSetAccessibilityFeatures

Using a new TaskRunner API RunNowAndFlushMessages. If the task runner can run tasks on the current thread, this will immediately invoke a callback and then post an empty task to the event loop to ensure dart listeners fire.

This also updates the vsync waiter to use RunNowOrPostTask, so that we start vsync events as early as possible.
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