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Fixes #161861

Resetting a command pool is not sufficient to reclaim memory. The pool must be trimmed. Contrary to what you would expect, it appears that just resetting the pool, even if the cmd buffers are reclaimed, never frees any memory.

@github-actions github-actions bot added engine flutter/engine related. See also e: labels. e: impeller Impeller rendering backend issues and features requests labels Jan 24, 2025
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actually it turns out I'm dumb, resetCmdPool has a release resources flag. Lets just use that.

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I like the new changes a lot more :)

@jonahwilliams jonahwilliams added the autosubmit Merge PR when tree becomes green via auto submit App label Jan 24, 2025
@jonahwilliams jonahwilliams changed the title [Impeller] when a command pool has many unused buffers, trim the pool after resetting it. [Impeller] when a command pool has many unused buffers, reset with release resources flag. Jan 24, 2025
@auto-submit auto-submit bot removed the autosubmit Merge PR when tree becomes green via auto submit App label Jan 24, 2025
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auto-submit bot commented Jan 24, 2025

autosubmit label was removed for flutter/flutter/162171, because - The status or check suite Linux mac_android_aot_engine has failed. Please fix the issues identified (or deflake) before re-applying this label.

@jonahwilliams jonahwilliams added the autosubmit Merge PR when tree becomes green via auto submit App label Jan 24, 2025
@auto-submit auto-submit bot removed the autosubmit Merge PR when tree becomes green via auto submit App label Jan 24, 2025
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auto-submit bot commented Jan 24, 2025

autosubmit label was removed for flutter/flutter/162171, because - The status or check suite Windows tool_integration_tests_7_9 has failed. Please fix the issues identified (or deflake) before re-applying this label.

@jonahwilliams jonahwilliams added the autosubmit Merge PR when tree becomes green via auto submit App label Jan 24, 2025
@auto-submit auto-submit bot added this pull request to the merge queue Jan 24, 2025
Merged via the queue into flutter:master with commit e057941 Jan 25, 2025
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@flutter-dashboard flutter-dashboard bot removed the autosubmit Merge PR when tree becomes green via auto submit App label Jan 25, 2025
@jonahwilliams jonahwilliams deleted the trim_command_pool branch January 25, 2025 02:19
jonahwilliams pushed a commit to jonahwilliams/flutter that referenced this pull request Jan 25, 2025
…lease resources flag. (flutter#162171)

Fixes flutter#161861

Resetting a command pool is not sufficient to reclaim memory. The pool
must be trimmed. Contrary to what you would expect, it appears that just
resetting the pool, even if the cmd buffers are reclaimed, never frees
any memory.
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Jan 25, 2025
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Jan 25, 2025
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Jan 26, 2025
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Jan 26, 2025
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Jan 27, 2025
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Jan 27, 2025
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Jan 28, 2025
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Jan 28, 2025
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Jan 28, 2025
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Jan 29, 2025
auto-submit bot pushed a commit to flutter/packages that referenced this pull request Jan 30, 2025
Roll Flutter from c1ffaa9 to b007899 (43 revisions)

flutter/flutter@c1ffaa9...b007899

2025-01-29 [email protected] Fix `Tab` linear and elastic animation blink (flutter/flutter#162315)
2025-01-29 [email protected] Pass-through `textInputAction` in `DropdownMenu` (flutter/flutter#162309)
2025-01-29 [email protected] Fix scrollUntilVisible in WidgetTester (flutter/flutter#159582)
2025-01-29 [email protected] Pass-through `maxLines` in `DropdownMenu` (flutter/flutter#161903)
2025-01-29 [email protected] fix: appbar leading width is not square for custom toolbar height (flutter/flutter#161880)
2025-01-29 [email protected] [DisplayList] Don't call Skia Ganesh methods when its not available. (flutter/flutter#162345)
2025-01-29 [email protected] Update README.md to include googler post verification steps (flutter/flutter#162272)
2025-01-29 [email protected] [engine, web] return switch expressions in many places (flutter/flutter#162336)
2025-01-29 [email protected] Update README.md to not have engine link for android (flutter/flutter#162330)
2025-01-29 [email protected] Reland "[ Widget Previews ] Add support for detecting previews and generating code (#161911)"" (flutter/flutter#162337)
2025-01-29 [email protected] Add instructions to download the Gradle wrapper to FGP readme, and add to gitignore (flutter/flutter#162332)
2025-01-29 [email protected] Fix tests to prepare for `--explicit-package-dependencies` and a bug. (flutter/flutter#162289)
2025-01-29 [email protected] Add a currently unused `runs_in_merge_queue` property to `Linux analyze`. (flutter/flutter#162335)
2025-01-28 98614782+auto-submit[bot]@users.noreply.github.com Reverts "[ Widget Previews ] Add support for detecting previews and generating code (#161911)" (flutter/flutter#162327)
2025-01-28 [email protected] Support hot restart for DDC library bundle format (flutter/flutter#162123)
2025-01-28 [email protected] Started adjusting uvs to match pixel snapping. (flutter/flutter#162049)
2025-01-28 [email protected] Refactor code inside flutter.groovy  (flutter/flutter#160250)
2025-01-28 [email protected] Table implements redepth (flutter/flutter#162282)
2025-01-28 [email protected] [ Widget Previews ] Add support for detecting previews and generating code (flutter/flutter#161911)
2025-01-28 [email protected] remove dependency on `Usage` from `Pub` class (flutter/flutter#162279)
2025-01-28 [email protected] Roll Packages from 258f6dc to 02c6fef (6 revisions) (flutter/flutter#162313)
2025-01-28 [email protected] Remove `scenario_app/android` and rename to `ios_scenario_app`. (flutter/flutter#160992)
2025-01-28 [email protected] Apparently it is illegal to use `stderr` in this project. (flutter/flutter#162294)
2025-01-28 [email protected] Fix update_engine_version_test in presence of FLUTTER_PREBUILT_ENGINE_VERSION env vars. (flutter/flutter#162270)
2025-01-28 [email protected] Add missing `properties: ...` and move to presubmit. (flutter/flutter#162170)
2025-01-27 [email protected] [Impeller] make swapchain related external fence/semaphore extensions optional. (flutter/flutter#162205)
2025-01-27 49699333+dependabot[bot]@users.noreply.github.com Bump the all-github-actions group with 2 updates (flutter/flutter#162277)
2025-01-27 [email protected] Don't depend on Dart from FML. (flutter/flutter#162271)
2025-01-27 [email protected] [DisplayList] Move nested canvas enums into their own TU. (flutter/flutter#162037)
2025-01-27 [email protected] Avoid iOS text selection crash by returning nil range (flutter/flutter#161996)
2025-01-27 [email protected] fix `felt` link to point to flutter repo instead of the engine repo (flutter/flutter#161423)
2025-01-27 [email protected] Enable the Android Engine OpenGLES/Vulkan suites. (flutter/flutter#162258)
2025-01-27 [email protected] [canvaskit] Fix debug build for CanvasKit (flutter/flutter#162198)
2025-01-27 [email protected] Roll Packages from 3d3ab7b to 258f6dc (19 revisions) (flutter/flutter#162254)
2025-01-25 [email protected] Pin `customer_testing` to the SHA specified in `tests.version` (flutter/flutter#162048)
2025-01-25 [email protected] Formalize `update_engine_version.{sh|ps1}`. (flutter/flutter#162118)
2025-01-25 [email protected] Rename 'SelectionChangedCause.scribble' to 'SelectionChangedCause.stylusHandwriting' (flutter/flutter#161518)
2025-01-25 [email protected] Don't install xcode when doing `local_engine` web builds on mac. (flutter/flutter#162164)
2025-01-25 [email protected] Force Impeller backend for `android_engine_test`, and test both OpenGLES and Vulkan (flutter/flutter#162089)
2025-01-24 [email protected] [Impeller] when a command pool has many unused buffers, reset with release resources flag. (flutter/flutter#162171)
2025-01-24 [email protected] [web] Remove HTML renderer from framework tests (flutter/flutter#162038)
2025-01-24 [email protected] [Impeller] Skip clip entity replay that cannot impact current clip. (flutter/flutter#162113)
2025-01-24 [email protected] Update Android integration test package for newer AGP (flutter/flutter#161856)

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
...
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request May 20, 2025
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request May 20, 2025
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request May 21, 2025
androidseb pushed a commit to androidseb/packages that referenced this pull request Jun 8, 2025
Roll Flutter from c1ffaa9 to b007899 (43 revisions)

flutter/flutter@c1ffaa9...b007899

2025-01-29 [email protected] Fix `Tab` linear and elastic animation blink (flutter/flutter#162315)
2025-01-29 [email protected] Pass-through `textInputAction` in `DropdownMenu` (flutter/flutter#162309)
2025-01-29 [email protected] Fix scrollUntilVisible in WidgetTester (flutter/flutter#159582)
2025-01-29 [email protected] Pass-through `maxLines` in `DropdownMenu` (flutter/flutter#161903)
2025-01-29 [email protected] fix: appbar leading width is not square for custom toolbar height (flutter/flutter#161880)
2025-01-29 [email protected] [DisplayList] Don't call Skia Ganesh methods when its not available. (flutter/flutter#162345)
2025-01-29 [email protected] Update README.md to include googler post verification steps (flutter/flutter#162272)
2025-01-29 [email protected] [engine, web] return switch expressions in many places (flutter/flutter#162336)
2025-01-29 [email protected] Update README.md to not have engine link for android (flutter/flutter#162330)
2025-01-29 [email protected] Reland "[ Widget Previews ] Add support for detecting previews and generating code (#161911)"" (flutter/flutter#162337)
2025-01-29 [email protected] Add instructions to download the Gradle wrapper to FGP readme, and add to gitignore (flutter/flutter#162332)
2025-01-29 [email protected] Fix tests to prepare for `--explicit-package-dependencies` and a bug. (flutter/flutter#162289)
2025-01-29 [email protected] Add a currently unused `runs_in_merge_queue` property to `Linux analyze`. (flutter/flutter#162335)
2025-01-28 98614782+auto-submit[bot]@users.noreply.github.com Reverts "[ Widget Previews ] Add support for detecting previews and generating code (#161911)" (flutter/flutter#162327)
2025-01-28 [email protected] Support hot restart for DDC library bundle format (flutter/flutter#162123)
2025-01-28 [email protected] Started adjusting uvs to match pixel snapping. (flutter/flutter#162049)
2025-01-28 [email protected] Refactor code inside flutter.groovy  (flutter/flutter#160250)
2025-01-28 [email protected] Table implements redepth (flutter/flutter#162282)
2025-01-28 [email protected] [ Widget Previews ] Add support for detecting previews and generating code (flutter/flutter#161911)
2025-01-28 [email protected] remove dependency on `Usage` from `Pub` class (flutter/flutter#162279)
2025-01-28 [email protected] Roll Packages from 258f6dc to 02c6fef (6 revisions) (flutter/flutter#162313)
2025-01-28 [email protected] Remove `scenario_app/android` and rename to `ios_scenario_app`. (flutter/flutter#160992)
2025-01-28 [email protected] Apparently it is illegal to use `stderr` in this project. (flutter/flutter#162294)
2025-01-28 [email protected] Fix update_engine_version_test in presence of FLUTTER_PREBUILT_ENGINE_VERSION env vars. (flutter/flutter#162270)
2025-01-28 [email protected] Add missing `properties: ...` and move to presubmit. (flutter/flutter#162170)
2025-01-27 [email protected] [Impeller] make swapchain related external fence/semaphore extensions optional. (flutter/flutter#162205)
2025-01-27 49699333+dependabot[bot]@users.noreply.github.com Bump the all-github-actions group with 2 updates (flutter/flutter#162277)
2025-01-27 [email protected] Don't depend on Dart from FML. (flutter/flutter#162271)
2025-01-27 [email protected] [DisplayList] Move nested canvas enums into their own TU. (flutter/flutter#162037)
2025-01-27 [email protected] Avoid iOS text selection crash by returning nil range (flutter/flutter#161996)
2025-01-27 [email protected] fix `felt` link to point to flutter repo instead of the engine repo (flutter/flutter#161423)
2025-01-27 [email protected] Enable the Android Engine OpenGLES/Vulkan suites. (flutter/flutter#162258)
2025-01-27 [email protected] [canvaskit] Fix debug build for CanvasKit (flutter/flutter#162198)
2025-01-27 [email protected] Roll Packages from 3d3ab7b to 258f6dc (19 revisions) (flutter/flutter#162254)
2025-01-25 [email protected] Pin `customer_testing` to the SHA specified in `tests.version` (flutter/flutter#162048)
2025-01-25 [email protected] Formalize `update_engine_version.{sh|ps1}`. (flutter/flutter#162118)
2025-01-25 [email protected] Rename 'SelectionChangedCause.scribble' to 'SelectionChangedCause.stylusHandwriting' (flutter/flutter#161518)
2025-01-25 [email protected] Don't install xcode when doing `local_engine` web builds on mac. (flutter/flutter#162164)
2025-01-25 [email protected] Force Impeller backend for `android_engine_test`, and test both OpenGLES and Vulkan (flutter/flutter#162089)
2025-01-24 [email protected] [Impeller] when a command pool has many unused buffers, reset with release resources flag. (flutter/flutter#162171)
2025-01-24 [email protected] [web] Remove HTML renderer from framework tests (flutter/flutter#162038)
2025-01-24 [email protected] [Impeller] Skip clip entity replay that cannot impact current clip. (flutter/flutter#162113)
2025-01-24 [email protected] Update Android integration test package for newer AGP (flutter/flutter#161856)

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
...
FMorschel pushed a commit to FMorschel/packages that referenced this pull request Jun 9, 2025
Roll Flutter from c1ffaa9 to b007899 (43 revisions)

flutter/flutter@c1ffaa9...b007899

2025-01-29 [email protected] Fix `Tab` linear and elastic animation blink (flutter/flutter#162315)
2025-01-29 [email protected] Pass-through `textInputAction` in `DropdownMenu` (flutter/flutter#162309)
2025-01-29 [email protected] Fix scrollUntilVisible in WidgetTester (flutter/flutter#159582)
2025-01-29 [email protected] Pass-through `maxLines` in `DropdownMenu` (flutter/flutter#161903)
2025-01-29 [email protected] fix: appbar leading width is not square for custom toolbar height (flutter/flutter#161880)
2025-01-29 [email protected] [DisplayList] Don't call Skia Ganesh methods when its not available. (flutter/flutter#162345)
2025-01-29 [email protected] Update README.md to include googler post verification steps (flutter/flutter#162272)
2025-01-29 [email protected] [engine, web] return switch expressions in many places (flutter/flutter#162336)
2025-01-29 [email protected] Update README.md to not have engine link for android (flutter/flutter#162330)
2025-01-29 [email protected] Reland "[ Widget Previews ] Add support for detecting previews and generating code (#161911)"" (flutter/flutter#162337)
2025-01-29 [email protected] Add instructions to download the Gradle wrapper to FGP readme, and add to gitignore (flutter/flutter#162332)
2025-01-29 [email protected] Fix tests to prepare for `--explicit-package-dependencies` and a bug. (flutter/flutter#162289)
2025-01-29 [email protected] Add a currently unused `runs_in_merge_queue` property to `Linux analyze`. (flutter/flutter#162335)
2025-01-28 98614782+auto-submit[bot]@users.noreply.github.com Reverts "[ Widget Previews ] Add support for detecting previews and generating code (#161911)" (flutter/flutter#162327)
2025-01-28 [email protected] Support hot restart for DDC library bundle format (flutter/flutter#162123)
2025-01-28 [email protected] Started adjusting uvs to match pixel snapping. (flutter/flutter#162049)
2025-01-28 [email protected] Refactor code inside flutter.groovy  (flutter/flutter#160250)
2025-01-28 [email protected] Table implements redepth (flutter/flutter#162282)
2025-01-28 [email protected] [ Widget Previews ] Add support for detecting previews and generating code (flutter/flutter#161911)
2025-01-28 [email protected] remove dependency on `Usage` from `Pub` class (flutter/flutter#162279)
2025-01-28 [email protected] Roll Packages from 258f6dc to 02c6fef (6 revisions) (flutter/flutter#162313)
2025-01-28 [email protected] Remove `scenario_app/android` and rename to `ios_scenario_app`. (flutter/flutter#160992)
2025-01-28 [email protected] Apparently it is illegal to use `stderr` in this project. (flutter/flutter#162294)
2025-01-28 [email protected] Fix update_engine_version_test in presence of FLUTTER_PREBUILT_ENGINE_VERSION env vars. (flutter/flutter#162270)
2025-01-28 [email protected] Add missing `properties: ...` and move to presubmit. (flutter/flutter#162170)
2025-01-27 [email protected] [Impeller] make swapchain related external fence/semaphore extensions optional. (flutter/flutter#162205)
2025-01-27 49699333+dependabot[bot]@users.noreply.github.com Bump the all-github-actions group with 2 updates (flutter/flutter#162277)
2025-01-27 [email protected] Don't depend on Dart from FML. (flutter/flutter#162271)
2025-01-27 [email protected] [DisplayList] Move nested canvas enums into their own TU. (flutter/flutter#162037)
2025-01-27 [email protected] Avoid iOS text selection crash by returning nil range (flutter/flutter#161996)
2025-01-27 [email protected] fix `felt` link to point to flutter repo instead of the engine repo (flutter/flutter#161423)
2025-01-27 [email protected] Enable the Android Engine OpenGLES/Vulkan suites. (flutter/flutter#162258)
2025-01-27 [email protected] [canvaskit] Fix debug build for CanvasKit (flutter/flutter#162198)
2025-01-27 [email protected] Roll Packages from 3d3ab7b to 258f6dc (19 revisions) (flutter/flutter#162254)
2025-01-25 [email protected] Pin `customer_testing` to the SHA specified in `tests.version` (flutter/flutter#162048)
2025-01-25 [email protected] Formalize `update_engine_version.{sh|ps1}`. (flutter/flutter#162118)
2025-01-25 [email protected] Rename 'SelectionChangedCause.scribble' to 'SelectionChangedCause.stylusHandwriting' (flutter/flutter#161518)
2025-01-25 [email protected] Don't install xcode when doing `local_engine` web builds on mac. (flutter/flutter#162164)
2025-01-25 [email protected] Force Impeller backend for `android_engine_test`, and test both OpenGLES and Vulkan (flutter/flutter#162089)
2025-01-24 [email protected] [Impeller] when a command pool has many unused buffers, reset with release resources flag. (flutter/flutter#162171)
2025-01-24 [email protected] [web] Remove HTML renderer from framework tests (flutter/flutter#162038)
2025-01-24 [email protected] [Impeller] Skip clip entity replay that cannot impact current clip. (flutter/flutter#162113)
2025-01-24 [email protected] Update Android integration test package for newer AGP (flutter/flutter#161856)

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
...
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[Android][Impeller]: Graphics Memory Leak

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