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Present frames directly to each view, which maintains its own compositor.
This simplifies the compositor so it doesn't need to maintain a map from views to buffers.

@robert-ancell robert-ancell requested review from knopp and mattkae July 1, 2025 02:11
@github-actions github-actions bot added engine flutter/engine related. See also e: labels. platform-linux Building on or for Linux specifically a: desktop Running on desktop labels Jul 1, 2025
@robert-ancell
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Includes #171409

@robert-ancell
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This is intended as a first step in refactoring to help land #170045

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Looks like a solid change to me :)

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The presubmit test failures do look real.

@github-actions github-actions bot added the d: docs/ flutter/flutter/docs, for contributors label Jul 9, 2025
@robert-ancell robert-ancell force-pushed the linux-refactor-compositor branch from 2cc0068 to 7d3c5a6 Compare July 9, 2025 03:55
Present frames directly to each view, which maintains its own compositor.
This simplifies the compositor so it doesn't need to maintain a map
from views to buffers.
@robert-ancell robert-ancell force-pushed the linux-refactor-compositor branch from 7d3c5a6 to a392005 Compare July 9, 2025 03:56
@github-actions github-actions bot removed the d: docs/ flutter/flutter/docs, for contributors label Jul 9, 2025
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Something weird was going on with main/master, so I've rebased.

This now requires the widget to be realized and is proving difficult to mock.
There will be further PRs that should make this easier - reenable after they
land.
@robert-ancell robert-ancell added this pull request to the merge queue Jul 10, 2025
Merged via the queue into flutter:master with commit 78e111f Jul 10, 2025
177 checks passed
@robert-ancell robert-ancell deleted the linux-refactor-compositor branch July 10, 2025 03:24
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Jul 10, 2025
auto-submit bot pushed a commit to flutter/packages that referenced this pull request Jul 10, 2025
flutter/flutter@ac12f66...43657f3

2025-07-10 [email protected] [web] Add frame number support. (flutter/flutter#171592)
2025-07-10 [email protected] Fix the hitTest issue of reversed SliverMainAxisGroup. (flutter/flutter#171073)
2025-07-10 [email protected] Roll Fuchsia Linux SDK from 0-xqmXWc4cXzw3tfe... to lO64ePNEGrGzs-MFC... (flutter/flutter#171937)
2025-07-10 [email protected] Refactor compositor classes (flutter/flutter#171414)
2025-07-10 [email protected] Give an actionable error to `flutter_test.*tap` of a `RenderSliver` (flutter/flutter#171930)
2025-07-10 [email protected] Fix the issue with `SliverMainAxisGroups` growing in the reverse direction during layout. (flutter/flutter#171005)
2025-07-09 [email protected] Adds a MCP server for working with the engine (flutter/flutter#171738)
2025-07-09 [email protected] Use Async SurfaceHolder Callback to remove need for setting alpha workaround (flutter/flutter#171398)
2025-07-09 [email protected] Update `CHANGELOG` for 3.32.5, 3.32.6 stable hotfix releases (flutter/flutter#171891)
2025-07-09 [email protected] Add `flutter config --enable-omit-legacy-version-file` (flutter/flutter#171903)
2025-07-09 [email protected] Allow flutter attach to discover flutter engine running on Custom Device (flutter/flutter#170635)
2025-07-09 [email protected] Hide the rarely direct used `--sample` argument by default (flutter/flutter#171898)
2025-07-09 [email protected] Support `NO_COLOR` to opt-out of `flutter` tool ANSI colors (flutter/flutter#171892)
2025-07-09 [email protected] [Android 16] Added Docs to Warn Users that SystemChrome.setPreferredOrientations will Not Work (flutter/flutter#171089)
2025-07-09 [email protected] Add analytics events for wasm dry runs on web builds (flutter/flutter#171818)
2025-07-09 [email protected] feat: new builders for size experiment (flutter/flutter#171886)
2025-07-09 [email protected] Update `.gitignore`s (flutter/flutter#171907)
2025-07-09 [email protected] Add total execution time to the flutter upgrade command (flutter/flutter#171475)
2025-07-09 [email protected] Simplify the template for infrastructure requests (flutter/flutter#171905)
2025-07-09 [email protected] Add detailed error message for BorderRadiusDirectional (flutter/flutter#171805)
2025-07-09 [email protected] Add public postmortem of the 3.32.3 release. (flutter/flutter#171904)
2025-07-09 [email protected] Make `labels` field an array (flutter/flutter#171906)
2025-07-09 98614782+auto-submit[bot]@users.noreply.github.com Reverts "Reverts "Roll Packages from cba2e90 to 4a231ae (5 revisions) (#171879)" (#171897)" (flutter/flutter#171910)
2025-07-09 98614782+auto-submit[bot]@users.noreply.github.com Reverts "Roll Packages from cba2e90 to 4a231ae (5 revisions) (#171879)" (flutter/flutter#171897)
2025-07-09 [email protected] [skia] Fix flag fiddling for Fuchsia, FreeType, & friends (flutter/flutter#171874)

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/flutter-packages
Please CC [email protected],[email protected] on the revert to ensure that a human
is aware of the problem.

To file a bug in Packages: 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
azatech pushed a commit to azatech/flutter that referenced this pull request Jul 10, 2025
Present frames directly to each view, which maintains its own
compositor.
This simplifies the compositor so it doesn't need to maintain a map from
views to buffers.
azatech pushed a commit to azatech/flutter that referenced this pull request Jul 28, 2025
Present frames directly to each view, which maintains its own
compositor.
This simplifies the compositor so it doesn't need to maintain a map from
views to buffers.
vashworth pushed a commit to vashworth/packages that referenced this pull request Jul 30, 2025
…r#9589)

flutter/flutter@ac12f66...43657f3

2025-07-10 [email protected] [web] Add frame number support. (flutter/flutter#171592)
2025-07-10 [email protected] Fix the hitTest issue of reversed SliverMainAxisGroup. (flutter/flutter#171073)
2025-07-10 [email protected] Roll Fuchsia Linux SDK from 0-xqmXWc4cXzw3tfe... to lO64ePNEGrGzs-MFC... (flutter/flutter#171937)
2025-07-10 [email protected] Refactor compositor classes (flutter/flutter#171414)
2025-07-10 [email protected] Give an actionable error to `flutter_test.*tap` of a `RenderSliver` (flutter/flutter#171930)
2025-07-10 [email protected] Fix the issue with `SliverMainAxisGroups` growing in the reverse direction during layout. (flutter/flutter#171005)
2025-07-09 [email protected] Adds a MCP server for working with the engine (flutter/flutter#171738)
2025-07-09 [email protected] Use Async SurfaceHolder Callback to remove need for setting alpha workaround (flutter/flutter#171398)
2025-07-09 [email protected] Update `CHANGELOG` for 3.32.5, 3.32.6 stable hotfix releases (flutter/flutter#171891)
2025-07-09 [email protected] Add `flutter config --enable-omit-legacy-version-file` (flutter/flutter#171903)
2025-07-09 [email protected] Allow flutter attach to discover flutter engine running on Custom Device (flutter/flutter#170635)
2025-07-09 [email protected] Hide the rarely direct used `--sample` argument by default (flutter/flutter#171898)
2025-07-09 [email protected] Support `NO_COLOR` to opt-out of `flutter` tool ANSI colors (flutter/flutter#171892)
2025-07-09 [email protected] [Android 16] Added Docs to Warn Users that SystemChrome.setPreferredOrientations will Not Work (flutter/flutter#171089)
2025-07-09 [email protected] Add analytics events for wasm dry runs on web builds (flutter/flutter#171818)
2025-07-09 [email protected] feat: new builders for size experiment (flutter/flutter#171886)
2025-07-09 [email protected] Update `.gitignore`s (flutter/flutter#171907)
2025-07-09 [email protected] Add total execution time to the flutter upgrade command (flutter/flutter#171475)
2025-07-09 [email protected] Simplify the template for infrastructure requests (flutter/flutter#171905)
2025-07-09 [email protected] Add detailed error message for BorderRadiusDirectional (flutter/flutter#171805)
2025-07-09 [email protected] Add public postmortem of the 3.32.3 release. (flutter/flutter#171904)
2025-07-09 [email protected] Make `labels` field an array (flutter/flutter#171906)
2025-07-09 98614782+auto-submit[bot]@users.noreply.github.com Reverts "Reverts "Roll Packages from cba2e90 to 4a231ae (5 revisions) (#171879)" (#171897)" (flutter/flutter#171910)
2025-07-09 98614782+auto-submit[bot]@users.noreply.github.com Reverts "Roll Packages from cba2e90 to 4a231ae (5 revisions) (#171879)" (flutter/flutter#171897)
2025-07-09 [email protected] [skia] Fix flag fiddling for Fuchsia, FreeType, & friends (flutter/flutter#171874)

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/flutter-packages
Please CC [email protected],[email protected] on the revert to ensure that a human
is aware of the problem.

To file a bug in Packages: 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
@Hixie
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Hixie commented Aug 8, 2025

It seems this PR has introduced an intermittent bug where on my Linux machine with xorg-server 2:21.1.12-1ubuntu1.4, apps sometimes just stop updating their visuals.

engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Aug 14, 2025
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Aug 14, 2025
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Aug 15, 2025
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Aug 15, 2025
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Aug 16, 2025
ksokolovskyi pushed a commit to ksokolovskyi/flutter that referenced this pull request Aug 19, 2025
Present frames directly to each view, which maintains its own
compositor.
This simplifies the compositor so it doesn't need to maintain a map from
views to buffers.
mboetger pushed a commit to mboetger/flutter that referenced this pull request Sep 18, 2025
Present frames directly to each view, which maintains its own
compositor.
This simplifies the compositor so it doesn't need to maintain a map from
views to buffers.
lucaantonelli pushed a commit to lucaantonelli/flutter that referenced this pull request Nov 21, 2025
Present frames directly to each view, which maintains its own
compositor.
This simplifies the compositor so it doesn't need to maintain a map from
views to buffers.
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4 participants