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Adds manifest flag to turn on SDFs for Android. - #196056

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gaaclarke:android-sdf-switch
Nov 12, 2026
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gaaclarke:android-sdf-switch

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This matches the existing flag for iOS, FLTEnableSDFs. The SDF renderer hasn't been optimized for Android yet. But for people who are targeting low DPI, higher power Android devices, like TV's, we want them to be able to try this out and it may work for them.

fixes #187757

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gaaclarke requested a review from a team as a code owner November 5, 2026 18:19
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gaaclarke requested review from reidbaker and removed request for a team November 5, 2026 18:19
@flutter-dashboard flutter-dashboard Bot added the CICD Run CI/CD label Nov 5, 2026

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Code Review

This pull request introduces support for signed distance field (SDF) rendering in Impeller on Android by adding the --impeller-use-sdfs flag and propagating it through the Android platform view and rendering contexts. The feedback suggests improving the readability of the backend logging by formatting the SDF-enabled backend names as OpenGLES (SDF) and Vulkan (SDF) instead of the concatenated OpenGLESSDF and VulkanSDF strings.

@github-actions github-actions Bot added platform-android Android applications specifically engine flutter/engine related. See also e: labels. team-android Owned by Android platform team labels Nov 5, 2026
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gaaclarke requested a review from walley892 November 9, 2026 20:40
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okorohelijah requested review from mboetger and removed request for reidbaker November 10, 2026 22:16

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LGTM

@gaaclarke gaaclarke added the autosubmit Merge PR when tree becomes green via auto submit App label Nov 11, 2026
@auto-submit auto-submit Bot removed the autosubmit Merge PR when tree becomes green via auto submit App label Nov 11, 2026
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autosubmit label was removed for flutter/flutter/196056, because - The status or check suite Dashboard Checks has failed. Please fix the issues identified (or deflake) before re-applying this label.

@gaaclarke gaaclarke added the autosubmit Merge PR when tree becomes green via auto submit App label Nov 11, 2026
@auto-submit auto-submit Bot removed the autosubmit Merge PR when tree becomes green via auto submit App label Nov 11, 2026
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autosubmit label was removed for flutter/flutter/196056, because - The status or check suite Dashboard Checks has failed. Please fix the issues identified (or deflake) before re-applying this label.

@gaaclarke gaaclarke added the autosubmit Merge PR when tree becomes green via auto submit App label Nov 11, 2026
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auto-submit Bot added this pull request to the merge queue Nov 11, 2026
Merged via the queue into flutter:master with commit 72f018b Nov 12, 2026
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@flutter-dashboard flutter-dashboard Bot removed the autosubmit Merge PR when tree becomes green via auto submit App label Nov 12, 2026
auto-submit Bot pushed a commit to flutter/packages that referenced this pull request Nov 12, 2026
flutter/flutter@b98afb5...9c427b5

2026-11-12 [email protected] Roll Skia from d67d0f22e3ec to 9aa2513a4ac9 (2 revisions) (flutter/flutter#196429)
2026-11-12 [email protected] [flutter_tools] Move CpuArch to flutter_tools_core and define HostPlatform by osName and cpuArch (flutter/flutter#195841)
2026-11-12 [email protected] Roll Skia from 23e7e63789b8 to d67d0f22e3ec (2 revisions) (flutter/flutter#196424)
2026-11-12 [email protected] Uber compactify (flutter/flutter#196392)
2026-11-12 [email protected] Roll Skia from 3d7e335da165 to 23e7e63789b8 (12 revisions) (flutter/flutter#196422)
2026-11-12 [email protected] Roll Dart SDK from 13af329ea4f2 to e5add7a25b32 (1 revision) (flutter/flutter#196413)
2026-11-12 [email protected] Don't terminate the shared EGL display when an engine is disposed (flutter/flutter#194520)
2026-11-11 [email protected] Adds manifest flag to turn on SDFs for Android. (flutter/flutter#196056)
2026-11-11 [email protected] Remove bringup from Linux_pixel_7pro integration_ui_keyboard_inset_jump (flutter/flutter#196334)
2026-11-11 [email protected] Uses system default locale for text rendering when preferred locale isn't supported (flutter/flutter#195997)
2026-11-11 [email protected] [android]: prewarms shaders when the context is created (flutter/flutter#196069)
2026-11-11 [email protected] iOS: Recomposite platform views only if their parameters change (flutter/flutter#196287)
2026-11-11 [email protected] [flutter_tools] Forward encoding in ErrorHandlingFile.readAsStringSync (flutter/flutter#196136)
2026-11-11 [email protected] Roll Skia from b89c24bbab8c to 3d7e335da165 (8 revisions) (flutter/flutter#196390)
2026-11-11 [email protected] Add Flutter Gardener instructions on how to disable a test (flutter/flutter#196312)
2026-11-11 [email protected] [Impeller] Enable malioc analysis for framebuffer_blend shaders (flutter/flutter#196343)
2026-11-11 [email protected] [flutter_tools] Migrate general.shard Android, asset, and build tests off globals (flutter/flutter#196125)
2026-11-11 [email protected] Roll Dart SDK from 8f15c4ca2d41 to 13af329ea4f2 (1 revision) (flutter/flutter#196386)
2026-11-11 [email protected] [Impeller] Do not clamp the local coverage limit to the root render target (flutter/flutter#195860)
2026-11-11 [email protected] [Impeller] Use separate uniform buffers on VMware SVGA3D (flutter/flutter#196022)
2026-11-11 [email protected] [flutter_tools] Introduce AndroidSdkProvider for lazy native_assets SDK lookup (flutter/flutter#196122)
2026-11-11 [email protected] Moves linux to ThinLTO. (flutter/flutter#196314)
2026-11-11 [email protected] [flutter_tools] Migrate bin/fuchsia_tester.dart off globals and runInContext (flutter/flutter#196074)
2026-11-11 [email protected] Changes the tolerances for frame_rate_main_test.dart. (flutter/flutter#196304)
2026-11-11 [email protected] Roll Packages from 08faf64 to 653628e (16 revisions) (flutter/flutter#196381)
2026-11-11 [email protected] Allow SliverCrossAxisGroup children to lay out with zero cross-axis extent instead of asserting (flutter/flutter#191287)
2026-11-11 [email protected] Roll Skia from cc4c54f752ba to b89c24bbab8c (4 revisions) (flutter/flutter#196375)
2026-11-11 [email protected] [Linux] Fix layer offset when compositing with glBlitFramebuffer (flutter/flutter#196189)
2026-11-11 [email protected] [flutter_tools] Inject CrashReportSender into SwiftPM migration (flutter/flutter#196315)

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