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[iOS] Remove dead parameters and no-op overrides#189754

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cbracken merged 1 commit into
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cbracken:embedder-pw-2
Jul 22, 2026
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[iOS] Remove dead parameters and no-op overrides#189754
cbracken merged 1 commit into
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cbracken:embedder-pw-2

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This is dead-code removal now that iOS no longer offers an opt-out for thread-merged operation.

GetRenderingAPIForProcess()'s force_software parameter is false at both call sites (FlutterEngine.mm, FlutterView.mm). This removes the parameter and its branches. The actual no-Metal-simulator software fallback is unchanged.

PlatformViewIOS's second constructor accepts a worker_task_runner that it never uses. This removes the parameter.

PlatformViewIOS::SetSemanticsEnabled and ::SetAccessibilityFeatures only call the base-class implementation. This removes the overrides.

This is pre-work that makes an eventual embedder API migration easier.

No semantic changes, so no test semantic changes; just cleanup.

Issue: #112232

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This is dead-code removal now that iOS no longer offers an opt-out for
thread-merged operation.

GetRenderingAPIForProcess()'s force_software parameter is false at both
call sites (FlutterEngine.mm, FlutterView.mm). This removes the
parameter and its branches. The actual no-Metal-simulator software
fallback is unchanged.

PlatformViewIOS's second constructor accepts a worker_task_runner that
it never uses. This removes the parameter.

PlatformViewIOS::SetSemanticsEnabled and ::SetAccessibilityFeatures only
call the base-class implementation. This removes the overrides.

This is pre-work that makes an eventual embedder API migration easier.

No semantic changes, so no test semantic changes; just cleanup.

Issue: flutter#112232
@cbracken
cbracken requested a review from a team as a code owner July 21, 2026 00:47
@flutter-dashboard flutter-dashboard Bot added the CICD Run CI/CD label Jul 21, 2026
@github-actions github-actions Bot added a: text input Entering text in a text field or keyboard related problems platform-ios iOS applications specifically engine flutter/engine related. See also e: labels. a: accessibility Accessibility, e.g. VoiceOver or TalkBack. (aka a11y) team-ios Owned by iOS platform team labels Jul 21, 2026

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Code Review

This pull request simplifies the iOS platform view and rendering API selection code. Specifically, it removes the worker_task_runner parameter from the PlatformViewIOS constructor and updates all associated tests. It also removes the force_software parameter from GetRenderingAPIForProcess(), cleaning up simulator-specific software rendering logic, and removes the redundant SetSemanticsEnabled and SetAccessibilityFeatures overrides from PlatformViewIOS. No review comments were provided, and there is no additional feedback to address.

@cbracken
cbracken added this pull request to the merge queue Jul 21, 2026
Merged via the queue into flutter:master with commit c0c75a5 Jul 22, 2026
19 of 20 checks passed
@cbracken
cbracken deleted the embedder-pw-2 branch July 22, 2026 00:04
auto-submit Bot pushed a commit to flutter/packages that referenced this pull request Jul 22, 2026
flutter/flutter@1ac2e82...2a2a79d

2026-07-22 [email protected] Clear cached directional focus history on a non-directional focus request  (flutter/flutter#187957)
2026-07-22 [email protected] ci: Include root pubspec.yaml in pub cache key (flutter/flutter#189826)
2026-07-22 [email protected] Remove codecov badge from README (flutter/flutter#189728)
2026-07-22 [email protected] Clean android engine/embedding tests (flutter/flutter#189276)
2026-07-22 [email protected] Add barrierBuilder support to showDialog and showGeneralDialog (flutter/flutter#187992)
2026-07-22 [email protected] Fix Mockito dynamic agent loading warnings in Robolectric tests (flutter/flutter#189804)
2026-07-22 [email protected] [iOS] Remove dead RasterThreadMerger plumbing from platform views (flutter/flutter#189753)
2026-07-22 [email protected] Add OverlayPortal.overlayChildLayoutBuilder sample (flutter/flutter#188930)
2026-07-22 [email protected] Automate recurring tasks via workflows - localizations (flutter/flutter#189750)
2026-07-21 [email protected] [iOS] Remove dead parameters and no-op overrides (flutter/flutter#189754)
2026-07-21 [email protected] [iOS] Inject DisplayLinkManager into FlutterViewController (flutter/flutter#189764)
2026-07-21 [email protected] Support custom BoxBorder animation in BoxDecoration (flutter/flutter#186348)
2026-07-21 [email protected] Rename CpuArch.x86_64 to CpuArch.x64 (flutter/flutter#189478)
2026-07-21 [email protected] Roll Skia from 569534e9fa59 to 5e183e5aeac5 (3 revisions) (flutter/flutter#189795)
2026-07-21 [email protected] Roll Dart SDK from 3b2f5ad7718d to 1e65011ee004 (4 revisions) (flutter/flutter#189791)
2026-07-21 [email protected] Run delete-bot-branches.yaml on `pull_request_target` instead of `pull_request` so that we can access secrets. (flutter/flutter#189793)
2026-07-21 [email protected] Batch release directory correction (flutter/flutter#189738)
2026-07-21 [email protected] [flutter_test][Test cross imports] Move TestWidgetsApp to flutter_test (flutter/flutter#189435)
2026-07-21 [email protected] Fix null-deref/double-dispose in StretchingOverscrollIndicator (#189589) (flutter/flutter#189667)
2026-07-21 [email protected] Roll Packages from 611899b to 8260a1e (10 revisions) (flutter/flutter#189782)
2026-07-21 [email protected] [iOS] Inject DisplayLinkManager into FlutterMetalLayer (flutter/flutter#189752)
2026-07-21 [email protected] Derive the SkImage size used by ImageEncodingImpeller::ConvertDlImageToSkImage from the size of the underlying texture, not the size of the DlImage (flutter/flutter#189739)

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Labels

a: accessibility Accessibility, e.g. VoiceOver or TalkBack. (aka a11y) a: text input Entering text in a text field or keyboard related problems CICD Run CI/CD engine flutter/engine related. See also e: labels. platform-ios iOS applications specifically team-ios Owned by iOS platform team

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