31260 Commits

Author SHA1 Message Date
Matt Boetger
91176cc349
[Reland] Gradle Lockfile workaround (#178485)
Create a workaround for generating gradle lock files. When the ignore
files exist, gradle locking will be disabled. This will allow deps for
the embedder to be checked in, and then in a follow-up PR the lockfiles
can correctly be updated and the ignore files can be deleted.

Note: This does NOT include the addition of the new exifinterface dep
for the Android embedder.

Fixes: https://github.com/flutter/flutter/issues/177066

## Pre-launch Checklist

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2025-11-13 23:25:13 +00:00
gaaclarke
33a30cb318
Impeller: Allows R32G32B32A32_SFLOAT images (#177959)
fixes https://github.com/flutter/flutter/issues/141289

design doc:
https://docs.google.com/document/d/1zpkMutZkqo2GVdMhiKzFURpgN8JDZTjtIVwwqqHKM90/edit?tab=t.0

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2025-11-13 22:28:01 +00:00
Rusino
3762d2a4a7
Adding proxy dependency to fuchsia (#178467)
We need it in Skia (and have it in Skia build.gn)

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2025-11-13 18:37:50 +00:00
Rusino
90f26f5148
Fixing zoom, dropping subpixel shift (#177460)
Also, fixed decoration color and the cursor in TextEditField

Part of https://github.com/flutter/flutter/issues/172561

---------

Co-authored-by: Mouad Debbar <mdebbar@google.com>
2025-11-13 18:33:51 +00:00
gaaclarke
4f0a8f460a
impeller: makes deferred display list images trash their display lists after they are realized (#178259)
fixes https://github.com/flutter/flutter/issues/138627

This stops ballooning recursive display_lists that can happen in
animations. The display list actually can be larger than the image so
keeping the display list around is no benefit. In rare cases this could
make the memory size of backgrounded apps be larger but this keeps
images made with toImageSync have the same semantics as toImage on
impeller.

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2025-11-13 18:32:52 +00:00
auto-submit[bot]
d48aa42950
Reverts "Gradle Lockfile workaround and Android Embedder dependency change for ExifInterface (#177508)" (#178428)
<!-- start_original_pr_link -->
Reverts: flutter/flutter#177508
<!-- end_original_pr_link -->
<!-- start_initiating_author -->
Initiated by: jtmcdole
<!-- end_initiating_author -->
<!-- start_revert_reason -->
Reason for reverting: tree is no bueno 

```
┌─ Flutter Fix ───────────────────────────────────────────────────────────────────┐ [2025-11-12 16:47:24.646119] [STDOUT] stdout: │ You need to update the lockfile, or disable Gradle dependency locking. │ [2025-11-12 16:47:24.646119] [STDOUT] stdout: │ To regenerate the lockfiles run: `.\gradlew.bat :generateLockfiles` in │ [2025-11-12 16:47:24.646119] [STDOUT] stdout: │ c:\
<!-- end_revert_reason -->
<!-- start_original_pr_author -->
Original PR Author: mboetger
<!-- end_original_pr_author -->

<!-- start_reviewers -->
Reviewed By: {reidbaker, gmackall}
<!-- end_reviewers -->

<!-- start_revert_body -->
This change reverts the following previous change:
Create a workaround for generating gradle lock files.  When the ignore file exists, gradle locking will be disabled. This will allow deps for the embedder to be checked in, and then in a follow-up PR the lockfiles can correctly be updated and the ignore file can be deleted.

Fixes: #177066, #177071

## Pre-launch Checklist

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- [X] I read the [Tree Hygiene] wiki page, which explains my responsibilities.
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- [X] I signed the [CLA].
- [X] I listed at least one issue that this PR fixes in the description above.
- [X] I updated/added relevant documentation (doc comments with `///`).
- [X] I added new tests to check the change I am making, or this PR is [test-exempt].
- [X] I followed the [breaking change policy] and added [Data Driven Fixes] where supported.
- [X] All existing and new tests are passing.


<!-- end_revert_body -->

Co-authored-by: auto-submit[bot] <flutter-engprod-team@google.com>
2025-11-13 03:13:19 +00:00
Jason Simmons
9fed4d2839
[Impeller] Use 32-bit index values in the tessellator if the platform supports it (#178088)
Applications may try to render paths whose point count exceeds the
bounds of a 16-bit index. This PR changes the tessellator to use 32-bit
indices when available but will fall back to 16-bit on platforms that do
not support it (specifically OpenGL ES implementations without the
necessary extension).

Fixes https://github.com/flutter/flutter/issues/175031
Fixes https://github.com/flutter/flutter/issues/178022
2025-11-12 22:42:22 +00:00
Matt Boetger
564e4b4543
Gradle Lockfile workaround and Android Embedder dependency change for ExifInterface (#177508)
Create a workaround for generating gradle lock files. When the ignore
file exists, gradle locking will be disabled. This will allow deps for
the embedder to be checked in, and then in a follow-up PR the lockfiles
can correctly be updated and the ignore file can be deleted.

Fixes: #177066, #177071

## Pre-launch Checklist

- [X] I read the [Contributor Guide] and followed the process outlined
there for submitting PRs.
- [X] I read the [Tree Hygiene] wiki page, which explains my
responsibilities.
- [X] I read and followed the [Flutter Style Guide], including [Features
we expect every widget to implement].
- [X] I signed the [CLA].
- [X] I listed at least one issue that this PR fixes in the description
above.
- [X] I updated/added relevant documentation (doc comments with `///`).
- [X] I added new tests to check the change I am making, or this PR is
[test-exempt].
- [X] I followed the [breaking change policy] and added [Data Driven
Fixes] where supported.
- [X] All existing and new tests are passing.

---------

Co-authored-by: Reid Baker <1063596+reidbaker@users.noreply.github.com>
2025-11-12 22:38:07 +00:00
Mouad Debbar
e4d2b8743f
[web] API to customize semantics placeholder message (#178309)
To customize the accessibility placeholder message:

```dart
import 'dart:ui_web' as ui_web;

void main() {
  ui_web.accessibilityPlaceholderMessage = 'My Custom Accessibility Message!';
  // ....
}
```

Fixes https://github.com/flutter/flutter/issues/178172
2025-11-12 18:08:38 +00:00
auto-submit[bot]
ef29db350f
Reverts "Feat: Add a11y for loading indicators (#165173)" (#178316)
<!-- start_original_pr_link -->
Reverts: flutter/flutter#165173
<!-- end_original_pr_link -->
<!-- start_initiating_author -->
Initiated by: chingjun
<!-- end_initiating_author -->
<!-- start_revert_reason -->
Reason for reverting: The PR did not finish "Google Testing", and
actually caused several failures in Google
<!-- end_revert_reason -->
<!-- start_original_pr_author -->
Original PR Author: rkishan516
<!-- end_original_pr_author -->

<!-- start_reviewers -->
Reviewed By: {chunhtai, flutter-zl}
<!-- end_reviewers -->

<!-- start_revert_body -->
This change reverts the following previous change:
Feat: Add a11y for loading indicators
fixes: #161631 

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[test-exempt].
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Fixes] where supported.
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<!-- end_revert_body -->

Co-authored-by: auto-submit[bot] <flutter-engprod-team@google.com>
2025-11-11 19:04:20 +00:00
Renzo Olivares
36b1877073
Listen to text spacing overrides on the web (#178081)
Original PR/Discussion: https://github.com/flutter/flutter/pull/172915

# Framework:
* `EditableText`/`SelectableText`, applies
`lineHeightScaleFactorOverride`, `wordSpacingOverride`, and
`letterSpacingOverride` to it's `TextStyle` similarly to how we already
do for bold platform overrides. Note `SelectableText` is built on
`EditableText` so it also applies these overrides.
* `Text`, applies `lineHeightScaleFactorOverride`,
`wordSpacingOverride`, and `letterSpacingOverride` to it's `TextStyle`
similarly to how we already do for bold platform overrides.
* Exposes line height override through
`MediaQueryData.lineHeightScaleFactorOverride` and
`maybeLineHeightScaleFactorOverrideOf(context)`.
* Exposes letter spacing override through
`MediaQueryData.letterSpacingOverride` and
`maybeLetterSpacingOverrideOf(context)`.
* Exposes word spacing override through
`MediaQueryData.wordSpacingOverride` and
`maybeWordSpacingOverrideOf(context)`.
* Exposes paragraph spacing override through
`MediaQueryData.paragraphSpacingOverride` and
`maybeParagraphSpacingOverrideOf(context)`.
* `MediaQuery.applyTextStyleOverrides()` \
`MediaQueryData.applyTextStyleOverrides()` to be able to reset/override
the text spacing settings on `MediaQueryData`.

# Engine:
* Introduces new members on `PlatformDispatcher` API that hold the text
spacing properties that are overridden on the web.
* We provide the `lineHeightScaleFactorOverride`,
`letterSpacingOverride`, `wordSpacingOverride`, and
`paragraphSpacingOverride` on the web by attaching a `ResizeObserver` to
an off-screen hidden element, when its size changes we capture its text
spacing CSS properties, and notify the framework through
`onMetricsChanged`.

Fixes #142712


https://github.com/user-attachments/assets/aaaa3e74-c232-4956-acd2-ae1a4487e415

## Pre-launch Checklist

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---------

Co-authored-by: Renzo Olivares <roliv@google.com>
2025-11-11 18:44:19 +00:00
Kishan Rathore
2981516d74
Feat: Add a11y for loading indicators (#165173)
Feat: Add a11y for loading indicators
fixes: #161631 

## Pre-launch Checklist

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- [x] I listed at least one issue that this PR fixes in the description
above.
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[test-exempt].
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2025-11-11 06:17:40 +00:00
Qun Cheng
fccfa978a9
Reland "Refactor OverlayPortal semantics (#173005)" (#178095)
Reverts flutter/flutter#178007

This PR is to reland https://github.com/flutter/flutter/pull/173005 and
add a fix to avoid infinite loop. The fix doesn't contain engine
changes.
2025-11-11 00:35:40 +00:00
Andrew Marshall
aa9dc9ac54
support passing the arm cpu variant to the build system (#176917)
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Support passing the ARM cpu variant through to the engine build from the
`tools/gn` front end.

Fixes #176870 

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2025-11-10 21:26:18 +00:00
Gray Mackall
0cc0f7744e
Fix no op host debug builds doing work (#178077)
Fixes https://github.com/flutter/flutter/issues/176667

I don't really know what I'm doing here, but as far as I can tell from:

https://github.com/swiftlang/swift/blob/main/docs/Driver.md#output-file-maps
the swift dependencies file is only output for incremental builds, not
builds with whole module optimization enabled.

> "swift-dependencies" entries are required to perform incremental
builds (see below).

This would align with the logs from that issue saying the file is
missing every time (because it is never output in the first place). So
try simply removing it? Fixes the issue for me locally

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---------

Co-authored-by: Gray Mackall <mackall@google.com>
2025-11-10 21:26:18 +00:00
DoLT
7fd9d987d0
fix: gesture blocked in android webview after zoom (#177572)
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- Fix issue https://github.com/flutter/flutter/issues/169486

Co-authored-by: Gray Mackall <34871572+gmackall@users.noreply.github.com>
2025-11-10 20:48:05 +00:00
Jason Simmons
60be753a43
[Android] Encode the original pointer count in messages that represent Android touch events (#178015)
Android touch events include updates to multiple pointers, but each
pointer data message sent from the embedder to the framework represents
a single pointer. So the Android embedder will send multiple messages
for each touch event, and the framework's AndroidViewController will
reassemble the messages and forward the resulting event to the platform
view.

The AndroidViewController tracks the number of active pointers in its
own local state. If that state is out of sync with the event handled by
the Android embedder, then the AndroidViewController may send duplicate
events to the platform view.

This PR encodes the Android touch event's pointer count in the messages
sent to the framework. This allows the AndroidViewController to reliably
determine whether it has received all of the pointer messages that
originated from an event.

Fixes https://github.com/flutter/flutter/issues/176574
2025-11-10 20:43:48 +00:00
Jason Simmons
acdca87356
Reland "Update all uses of mutable SkPath methods to use SkPathBuilder" (#178142)
This is a reland of https://github.com/flutter/flutter/pull/177738 with
a fix to the `Op` function in `tools/path_ops`.

To match the previous behavior, `Op` will use `SkPathBuilder::operator=`
to copy the result path so that attributes like the fill type will be
copied.

---------

Co-authored-by: Kaylee Lubick <kjlubick@users.noreply.github.com>
2025-11-07 16:36:27 +00:00
Kostia Sokolovskyi
c0e052941a
Add haptic notifications support. (#177721)
Closes https://github.com/flutter/flutter/issues/150029

### Description
- Adds `successNotification`, `warningNotification` and
`errorNotification` haptics to the framework
- Adds `UINotificationFeedbackTypeSuccess`,
`UINotificationFeedbackTypeWarning` and
`UINotificationFeedbackTypeError` haptics support on iOS
- Adds `HapticFeedbackConstants.CONFIRM` and
`HapticFeedbackConstants.REJECT` haptics support on Android
- Adds tests


| iOS | Android | Web |
|:-:|:-:|:-:|
| UINotificationFeedbackTypeSuccess | HapticFeedbackConstants.CONFIRM |
20ms vibration |
| UINotificationFeedbackTypeWarning |
HapticFeedbackConstants.KEYBOARD_TAP | 20ms vibration |
| UINotificationFeedbackTypeError | HapticFeedbackConstants.REJECT |
30ms vibration |

## Pre-launch Checklist

- [X] I read the [Contributor Guide] and followed the process outlined
there for submitting PRs.
- [X] I read the [Tree Hygiene] wiki page, which explains my
responsibilities.
- [X] I read and followed the [Flutter Style Guide], including [Features
we expect every widget to implement].
- [X] I signed the [CLA].
- [X] I listed at least one issue that this PR fixes in the description
above.
- [X] I updated/added relevant documentation (doc comments with `///`).
- [X] I added new tests to check the change I am making, or this PR is
[test-exempt].
- [X] I followed the [breaking change policy] and added [Data Driven
Fixes] where supported.
- [X] All existing and new tests are passing.

<!-- Links -->
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2025-11-06 22:53:22 +00:00
zhongliugo
f19a80a142
Use aria-hidden attribute for platform view accessibility on web (#177969)
Use aria-hidden attribute for platform view accessibility on web

Before change:
https://map-1023-before.web.app/

After change:
https://map-1023-after.web.app/

Fixes #171948.

Note: When a descendant element receives focus (for example, a marker),
the browser automatically overrides aria-hidden. This behavior is
correct and expected for accessibility compliance.
2025-11-06 21:02:02 +00:00
auto-submit[bot]
1d7845ae00
Reverts "Update all uses of mutable SkPath methods to use SkPathBuilder (#177738)" (#178125)
<!-- start_original_pr_link -->
Reverts: flutter/flutter#177738
<!-- end_original_pr_link -->
<!-- start_initiating_author -->
Initiated by: chingjun
<!-- end_initiating_author -->
<!-- start_revert_reason -->
Reason for reverting: Broke internal tests. Some shapes are not drawn.
<!-- end_revert_reason -->
<!-- start_original_pr_author -->
Original PR Author: kjlubick
<!-- end_original_pr_author -->

<!-- start_reviewers -->
Reviewed By: {jason-simmons}
<!-- end_reviewers -->

<!-- start_revert_body -->
This change reverts the following previous change:
Skia is removing the APIs that allow changing an SkPath. This updates
those callsites to use SkPathBuilder where appropriate.

## Pre-launch Checklist

- [x] I read the [Contributor Guide] and followed the process outlined
there for submitting PRs.
- [x] I read the [Tree Hygiene] wiki page, which explains my
responsibilities.
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we expect every widget to implement].
- [x] I signed the [CLA].
- [ ] I listed at least one issue that this PR fixes in the description
above.
- [x] I updated/added relevant documentation (doc comments with `///`).
- [x] I added new tests to check the change I am making, or this PR is
[test-exempt].
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<!-- end_revert_body -->

Co-authored-by: auto-submit[bot] <flutter-engprod-team@google.com>
2025-11-06 19:50:19 +00:00
Elijah Okoroh
aebe02b44f
Update .ci.yaml in flutter/flutter to use 15.5 (#177939)
Update .ci.yaml in flutter/flutter to use 15.5 

Note: (Not all devicelab bots are macOS 15.5. Some are 15.1 and 15.6.1)

*List which issues are fixed by this PR. You must list at least one
issue. An issue is not required if the PR fixes something trivial like a
typo.*

Fixes #177394

*If you had to change anything in the [flutter/tests] repo, include a
link to the migration guide as per the [breaking change policy].*

## Pre-launch Checklist

- [X] I read the [Contributor Guide] and followed the process outlined
there for submitting PRs.
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responsibilities.
- [x] I read and followed the [Flutter Style Guide], including [Features
we expect every widget to implement].
- [x] I signed the [CLA].
- [x] I listed at least one issue that this PR fixes in the description
above.
- [ ] I updated/added relevant documentation (doc comments with `///`).
- [x] I added new tests to check the change I am making, or this PR is
[test-exempt].
- [ ] I followed the [breaking change policy] and added [Data Driven
Fixes] where supported.
- [ ] All existing and new tests are passing.

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**Note**: The Flutter team is currently trialing the use of [Gemini Code
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2025-11-06 15:03:00 +00:00
Kaylee Lubick
6925f8b815
Update all uses of mutable SkPath methods to use SkPathBuilder (#177738)
Skia is removing the APIs that allow changing an SkPath. This updates
those callsites to use SkPathBuilder where appropriate.

## Pre-launch Checklist

- [x] I read the [Contributor Guide] and followed the process outlined
there for submitting PRs.
- [x] I read the [Tree Hygiene] wiki page, which explains my
responsibilities.
- [x] I read and followed the [Flutter Style Guide], including [Features
we expect every widget to implement].
- [x] I signed the [CLA].
- [ ] I listed at least one issue that this PR fixes in the description
above.
- [x] I updated/added relevant documentation (doc comments with `///`).
- [x] I added new tests to check the change I am making, or this PR is
[test-exempt].
- [x] I followed the [breaking change policy] and added [Data Driven
Fixes] where supported.
- [ ] All existing and new tests are passing.

If you need help, consider asking for advice on the #hackers-new channel
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**Note**: The Flutter team is currently trialing the use of [Gemini Code
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2025-11-06 14:46:25 +00:00
Robert Ancell
c5e809a998
Remove WindowingOwner.hasTopLevelWindows (#178033)
This function doesn't seem to serve any purpose.
Top level is not a term we are currently using in the multi window code.
If we want to track if we have open windows, this can be done in the
Flutter framework - it doesn't need to be done at the platform level.
2025-11-06 13:11:28 +00:00
Lau Ching Jun
f066ed6591
Revert "Refactor OverlayPortal semantics (#173005)" (#178007)
This reverts commit ccf6466b14e144971a7d65983bdd16459d65a62a.

~This is a test PR for investigation, the commit seems to be breaking a
customer app.~

The original PR caused b/457553134
2025-11-06 03:41:26 +00:00
auto-submit[bot]
b64f673f92
Reverts "[web] Unify Surface code between Skwasm and CanvasKit (#177138)" (#178085)
<!-- start_original_pr_link -->
Reverts: flutter/flutter#177138
<!-- end_original_pr_link -->
<!-- start_initiating_author -->
Initiated by: harryterkelsen
<!-- end_initiating_author -->
<!-- start_revert_reason -->
Reason for reverting: broke skwasm benchmarks
<!-- end_revert_reason -->
<!-- start_original_pr_author -->
Original PR Author: harryterkelsen
<!-- end_original_pr_author -->

<!-- start_reviewers -->
Reviewed By: {mdebbar}
<!-- end_reviewers -->

<!-- start_revert_body -->
This change reverts the following previous change:
This PR introduces a significant refactoring of the web engine's
rendering layer by unifying the `Surface` and `Rasterizer`
implementations. These components have been moved from being
renderer-specific to a generic `compositing` directory, making the
architecture more modular and easier to maintain. The rasterizers are
now renderer-agnostic and are provided with renderer-specific surface
factories via dependency injection. A new `CanvasProvider` abstraction
has also been introduced to manage the lifecycle of the underlying
canvas elements.

A key outcome of this work is that the Skwasm backend now correctly
handles WebGL context loss events. This was achieved by refactoring
`SkwasmSurface` to allow the Dart side to manage the `OffscreenCanvas`
lifecycle. A communication channel between the main thread and the web
worker is now used to gracefully handle context loss and recovery. This
effort also included fixing several related bugs around surface sizing,
resource cleanup, and callback handling in multi-surface scenarios.

To validate these changes, new testing APIs have been added to allow for
the creation of renderer-agnostic surface tests. A new test file,
`surface_context_lost_test.dart`, has been added to verify the context
loss and recovery behavior across all supported renderers, ensuring the
new architecture is robust and reliable.

## Pre-launch Checklist

- [x] I read the [Contributor Guide] and followed the process outlined
there for submitting PRs.
- [x] I read the [Tree Hygiene] wiki page, which explains my
responsibilities.
- [x] I read and followed the [Flutter Style Guide], including [Features
we expect every widget to implement].
- [x] I signed the [CLA].
- [x] I listed at least one issue that this PR fixes in the description
above.
- [x] I updated/added relevant documentation (doc comments with `///`).
- [x] I added new tests to check the change I am making, or this PR is
[test-exempt].
- [x] I followed the [breaking change policy] and added [Data Driven
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- [x] All existing and new tests are passing.

If you need help, consider asking for advice on the #hackers-new channel
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**Note**: The Flutter team is currently trialing the use of [Gemini Code
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<!-- end_revert_body -->

Co-authored-by: auto-submit[bot] <flutter-engprod-team@google.com>
2025-11-06 00:22:38 +00:00
engine-flutter-autoroll
2383b64498
Roll Skia from 2ff897e9b440 to 4eb2383d38f2 (18 revisions) (#178070)
https://skia.googlesource.com/skia.git/+log/2ff897e9b440..4eb2383d38f2

2025-11-05 kjlubick@google.com Add check for excessive command length
for Windows
2025-11-05 senorblanco@chromium.org Add Vulkan and OpenGLES Dawn
backends to Viewer on Android.
2025-11-05 skia-autoroll@skia-public.iam.gserviceaccount.com Roll
vulkan-deps from 74082a714350 to 5a075c3f5e7c (7 revisions)
2025-11-05 skia-autoroll@skia-public.iam.gserviceaccount.com Roll
SwiftShader from 7ae85e6f6694 to 153470c12fdf (1 revision)
2025-11-05 egdaniel@google.com Remove Ubunutu graphite ASAN due to
timeouts.
2025-11-05 michaelludwig@google.com [ganesh] Associate VK_FORMAT_R10X...
with kRGBA_10x6 colortype
2025-11-05 skia-autoroll@skia-public.iam.gserviceaccount.com Manual roll
ANGLE from db35dc6c2135 to c983fa9dfb61 (19 revisions)
2025-11-05 skia-autoroll@skia-public.iam.gserviceaccount.com Manual roll
Dawn from a147726f409c to 23e882a42a2f (13 revisions)
2025-11-05 skia-autoroll@skia-public.iam.gserviceaccount.com Roll Dawn
from d4d10c202a39 to a147726f409c (24 revisions)
2025-11-05 robertphillips@google.com [graphite] Enable the new YCbCr
pretty printing and update tests
2025-11-04
recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com
Roll recipe dependencies (trivial).
2025-11-04
recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com
Roll recipe dependencies (trivial).
2025-11-04
recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com
Roll recipe dependencies (trivial).
2025-11-04 bungeman@google.com Add SkPathBuilder::rMoveTo(x,y)
2025-11-04 egdaniel@google.com Update CQ to shift some graphite
workloads off of mac devices.
2025-11-04 nicolettep@google.com [graphite] Only update shareable
resource labels upon insertion into cache
2025-11-04 lukasza@chromium.org Reapply "[rust png] Support
SkPngRustEncoder from `FuzzEncoders.cpp`."
2025-11-04 robertphillips@google.com [graphite] Add plumbing for
Android-specific Pipeline label

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/skia-flutter-autoroll
Please CC bwils@google.com,jimgraham@google.com,kjlubick@google.com on
the revert to ensure that a human
is aware of the problem.

To file a bug in Skia: https://bugs.chromium.org/p/skia/issues/entry
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
2025-11-05 22:09:10 +00:00
Harry Terkelsen
9eee9653dd
[web] Unify Surface code between Skwasm and CanvasKit (#177138)
This PR introduces a significant refactoring of the web engine's
rendering layer by unifying the `Surface` and `Rasterizer`
implementations. These components have been moved from being
renderer-specific to a generic `compositing` directory, making the
architecture more modular and easier to maintain. The rasterizers are
now renderer-agnostic and are provided with renderer-specific surface
factories via dependency injection. A new `CanvasProvider` abstraction
has also been introduced to manage the lifecycle of the underlying
canvas elements.

A key outcome of this work is that the Skwasm backend now correctly
handles WebGL context loss events. This was achieved by refactoring
`SkwasmSurface` to allow the Dart side to manage the `OffscreenCanvas`
lifecycle. A communication channel between the main thread and the web
worker is now used to gracefully handle context loss and recovery. This
effort also included fixing several related bugs around surface sizing,
resource cleanup, and callback handling in multi-surface scenarios.

To validate these changes, new testing APIs have been added to allow for
the creation of renderer-agnostic surface tests. A new test file,
`surface_context_lost_test.dart`, has been added to verify the context
loss and recovery behavior across all supported renderers, ensuring the
new architecture is robust and reliable.

## Pre-launch Checklist

- [x] I read the [Contributor Guide] and followed the process outlined
there for submitting PRs.
- [x] I read the [Tree Hygiene] wiki page, which explains my
responsibilities.
- [x] I read and followed the [Flutter Style Guide], including [Features
we expect every widget to implement].
- [x] I signed the [CLA].
- [x] I listed at least one issue that this PR fixes in the description
above.
- [x] I updated/added relevant documentation (doc comments with `///`).
- [x] I added new tests to check the change I am making, or this PR is
[test-exempt].
- [x] I followed the [breaking change policy] and added [Data Driven
Fixes] where supported.
- [x] All existing and new tests are passing.

If you need help, consider asking for advice on the #hackers-new channel
on [Discord].

**Note**: The Flutter team is currently trialing the use of [Gemini Code
Assist for
GitHub](https://developers.google.com/gemini-code-assist/docs/review-github-code).
Comments from the `gemini-code-assist` bot should not be taken as
authoritative feedback from the Flutter team. If you find its comments
useful you can update your code accordingly, but if you are unsure or
disagree with the feedback, please feel free to wait for a Flutter team
member's review for guidance on which automated comments should be
addressed.

<!-- Links -->
[Contributor Guide]:
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[Tree Hygiene]:
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[test-exempt]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#tests
[Flutter Style Guide]:
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[Features we expect every widget to implement]:
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[CLA]: https://cla.developers.google.com/
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2025-11-05 22:07:02 +00:00
Mouad Debbar
3fd81edbf1
[web] Don't add webparagraph suite to CI (#177681)
Fix `generate-builder-json` to only include test bundles that are needed
by enabled test suites.

## Before this PR
The script was unconditionally including all test bundles in CI. The
result is that the `dart2js-canvaskit-experimental-webparagraph` bundle
was being generated, even though it was only required by the
`chrome-dart2js-experimental-webparagraph-ui` suite, which had
`enable-ci: false`.

## After this PR
The script starts by finding all test suites with `enable-ci: true`,
then only adds the bundles required by those suites.
2025-11-05 00:25:32 +00:00
Srivats Venkataraman
1444c2846f
Fixing broken link in engine readme (#177987)
Fixes: #177797

The engine readme had a broken link this PE fixes the broken link

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2025-11-05 00:22:08 +00:00
walley892
a41146c205
Replace rendering for solid color circles (both filled and stroked) to use SDFs (#177482)
Replace rendering for solid color circles (both filled and stroked) to
use SDFs. This change improves the visual quality of circle borders,
especially on platforms without MSAA support.

- Adds a vertex and fragment shader that support SDF rendering for both
filled and stroked circles.
- Adds a `Contents` subclass, `CircleContents` that uses these shaders
for rendering
- Modifies `Canvas::DrawCircle` to use this new contents for drawing
circles
- Only supports circles with a solid color paint. Everything else
continues to use the existing behavior
- Adds a playground test that interactively scales circles to ensure
fidelity at all scales.


- Partially fixes https://github.com/flutter/flutter/issues/167181


Before (Android emulator):

<img width="236" height="245" alt="Screenshot 2025-10-23 at 4 26 18 PM"
src="https://github.com/user-attachments/assets/566de15e-95d3-4b5d-963c-1cebba4aeb50"
/>
<img width="383" height="394" alt="Screenshot 2025-10-23 at 4 29 32 PM"
src="https://github.com/user-attachments/assets/7ca29be6-89f4-43e6-bd9a-c4ec4179ab1c"
/>


After (Android emulator):

<img width="383" height="394" alt="Screenshot 2025-10-23 at 8 48 17 PM"
src="https://github.com/user-attachments/assets/f138bedc-edc3-4cba-a982-bd3020d9e44c"
/>
<img width="236" height="245" alt="Screenshot 2025-10-23 at 4 24 44 PM"
src="https://github.com/user-attachments/assets/6b5bec91-e3aa-4daa-9233-3a407b1f1378"
/>

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2025-11-04 18:31:14 +00:00
Mouad Debbar
e5d5c01850
[web] Upgrade Chrome to 141 (for engine tests) (#177743)
- Update Chrome to 141 for web engine tests.
- Improve image codec tests so they exercise all frames.
- Skip the frames of certain images that are known to cause problems in
Chrome.

Chrome bug for the problematic images:
https://issues.chromium.org/456445108

Fixes https://github.com/flutter/flutter/issues/168686
2025-11-04 18:07:04 +00:00
Mouad Debbar
0f9853333f
[web] Delete unused futurize util (#177861) 2025-11-04 15:48:13 +00:00
Gray Mackall
40c70dabda
Fix isHeif crash (#177944)
Fixes https://github.com/flutter/flutter/issues/177942

I did not repro the crash but this looks like a pretty simple NPE that
can be fixed by swapping the `.equals` order.

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---------

Co-authored-by: Gray Mackall <mackall@google.com>
2025-11-04 02:51:10 +00:00
Hannah Jin
ed19f47bec
Add blockAccessibilityFocus flag (#175551)
Add a new flag for a11y focusable

- Accessibility focus, which is the focus used by screen readers like
TalkBack and VoiceOver, is different from input focus.
- Our current logic use some existing flags to decide if a node is
accessibilty focusable. like "if it's a slider / has a check state / has
keyboard focus/..., then it's a11y focusable"
ecbb115ae3/engine/src/flutter/shell/platform/android/io/flutter/view/AccessibilityBridge.java (L98)
- but we lack the ability to explicitly set a node to be unfocusable in
a11y!
- This flag can be used to explicitly set some semantics nodes to be
unfocusable in a11y mode. if it is false, we fall back to the logic "if
it's a slider / has a check state / has keyboard focus/..., then it's
a11y focusable"

future use case 1:
user can set live region to be not focusable, so when content changes,
it will still announce, but the content can't be focused by swiping.
future use case 2:
when pushing a new route like a dialog, setting the semantics nodes in
old pages to be un focusable.




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2025-11-03 22:18:33 +00:00
Kaylee Lubick
aed2e42321
[skia] Explicitly disable XPS backend (#177050)
Skia's working on some breaking changes to the XPS backend. Flutter does
not use this backend explicitly, but it is being compiled in on Windows
builds. We can explicitly disable it all the time to avoid any
unexpected breakages from impacting Flutter.

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2025-11-03 20:35:41 +00:00
Andrew Marshall
a642eddae1
fix(impeller): fix params to glDiscardFrameBufferEXT (#175589)
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Fix parameters to
[glDiscardFramebufferEXT](https://registry.khronos.org/OpenGL/extensions/EXT/EXT_discard_framebuffer.txt)
when an application-defined framebuffer is bound. The `is_default_fbo`
parameter is set to `true` if `color_gles.IsWrapped()` is true, however
according to the GLES spec, a non-default framebuffer is bound if
`glBindFramebuffer(GL_FRAMEBUFFER, framebuffer)` is called with
`framebuffer != 0`:

> _The namespace for framebuffer objects is the unsigned integers, with
zero re-
served by OpenGL ES to refer to the default framebuffer. A framebuffer
object
is created by binding an unused name to the target FRAMEBUFFER._ 

To reproduce this issue, run a flutter application with
`--enable-impeller` on a platform where `glDiscardFramebufferEXT` is
available. The following error is reported:

```
[FATAL:flutter/impeller/renderer/backend/gles/proc_table_gles.h(43)] Fatal GL Error GL_INVALID_ENUM(1280) encountered on call to glDiscardFramebufferEXT
```

*List which issues are fixed by this PR. You must list at least one
issue. An issue is not required if the PR fixes something trivial like a
typo.*

closes #175588 

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2025-11-03 19:13:27 +00:00
chunhtai
bcd359d746
wires up set application locale to web engine (#177284)
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fixes https://github.com/flutter/flutter/issues/98948

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2025-11-03 18:42:26 +00:00
Jason Simmons
633d6591a1
[Impeller] Fix the source rectangle used when rendering an AtlasContents with the strict mode for nine-patch images (#177860)
* Convert the source rectangle to texture coordinates and shrink it to
adjust for linear filtering
* Pass the coordinates of the rectangle in the order expected by the
Porter-Duff shader

Fixes https://github.com/flutter/flutter/issues/176544
2025-11-03 15:38:15 +00:00
Zachary Anderson
590a783995
[engine,build] Fix Fuchsia RBE build (#177865)
As in the Dart build here:


fc8b3d7927/build/toolchain/fuchsia/fuchsia_toolchain.gni (L24)

For unknown reasons, the `__config_site` file has to be explicitly
listed as an input to the build to ensure it is available in the RBE
workers.

This PR also cleans up unnecessary flags from the Fuchsia toolchain
definition. The target triple and sysroot flags are already injected
into the compiler flags by the Fuchsia build configs.

linux_fuchsia presub ran in 16 minutes.
2025-11-02 00:05:24 +00:00
Pierre
f234d26926
Clean up links to docs website (#177792)
- remove link without use (PowerShell version minimum not reached, this
is not mentionned anywhere in Windows installation / troubleshooting
documentation)
- clean up API docs root
- clean up app template links, add `Learn Flutter` link
- update get started links
- replace `flutter.dev/docs` with `docs.flutter.dev`
- fix embedder descriptions
- fix broken API `docs.flutter.io` links
- http → https 
- remove `/install` from `/get-started` links
- fix Android Studio link

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[Discord]:
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[Data Driven Fixes]:
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---------

Co-authored-by: Parker Lougheed <parlough@gmail.com>
2025-11-01 18:38:27 +00:00
ColdPaleLight
290d0f87a9
Fix cubic subdivision estimation using correct Wang’s formula (#177758)
Replaced the incorrect Abs()/Max() operations with squared magnitude
checks via dot products
2025-10-31 10:52:25 +00:00
Jason Simmons
8dd2a072ca
Update the path used by the download_fuchsia_sdk.py script to //third_party/fuchsia-sdk (#177794)
See https://github.com/flutter/flutter/pull/177118
2025-10-30 22:58:33 +00:00
gaaclarke
c089837469
Fixes RuntimeEffect when used with ImageFilter.compose and gaussian blur (#177687)
fixes https://github.com/flutter/flutter/issues/170820
fixes https://github.com/flutter/flutter/issues/177611

This PR snapshots the input of a runtimeeffect if its transform is not
identity. This fixes the cases where we use compose with the runtime
effect and the inner effect evaluates to a snapshot that doesn't match
the size of x, such as`runtime_effect(blur(x))`. Blur will perform at
lower resolutions when the sigma is high as an optimization. Blur also
adds a halo around what it is blurring. Previously we could optimize
away this extra render pass when we assumed that the coverage of
inner(x) was the same as x (but potentially just translated), but we
can't do that in practice because of things like gaussian blur.

In order to make this PR work we had to come up with a way to disable
the extra padding that is added to every `RenderToSnapshot`. This is
because users want to to reference specific fragments. The extra border
of padding would increase the texture size of inner(x) and x which
created a jump in the locations calcuated in the fragment shaders when
the inner snapshot's transform would jump from identity to non-identity.
The only other alternative would be to pass in the offset to the
fragment shader but that would be a breaking change.

In order to get the shaders rendering in the right orientation on
opengles I had to switch the shaders to do a `uv.y = 1.0 - uv.y`. This
is in the documentation for ImageFilter.shader but it is an annoying
gotcha. Hopefully this doesn't break someone if the logic was different
previously for ImageFilter.compose but this is the correct thing to do
and since it wasn't tested, there is no breaking change.

## Pre-launch Checklist

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2025-10-30 21:39:11 +00:00
auto-submit[bot]
6a5a918002
Reverts "Update .ci.yaml in flutter/flutter to use 15.5 (#177669)" (#177793)
<!-- start_original_pr_link -->
Reverts: flutter/flutter#177669
<!-- end_original_pr_link -->
<!-- start_initiating_author -->
Initiated by: vashworth
<!-- end_initiating_author -->
<!-- start_revert_reason -->
Reason for reverting: Not all devicelab bots are on Mac 15.5

<!-- end_revert_reason -->
<!-- start_original_pr_author -->
Original PR Author: okorohelijah
<!-- end_original_pr_author -->

<!-- start_reviewers -->
Reviewed By: {mdebbar, vashworth}
<!-- end_reviewers -->

<!-- start_revert_body -->
This change reverts the following previous change:
Update .ci.yaml in flutter/flutter to use 15.5

*List which issues are fixed by this PR. You must list at least one
issue. An issue is not required if the PR fixes something trivial like a
typo.*

Fixes #177394

*If you had to change anything in the [flutter/tests] repo, include a
link to the migration guide as per the [breaking change policy].*

## Pre-launch Checklist

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<!-- end_revert_body -->

Co-authored-by: auto-submit[bot] <flutter-engprod-team@google.com>
2025-10-30 20:21:39 +00:00
Camille Simon
f5580933d8
Fixes SettingsChannelTest flake (#177061)
Fixes `SettingsChannelTest` failure that occurs when other Android
embedding tests touch the singleton queue that the `SettingsChannel`
manages.

Instead of the test making assertions based on the theoretical
generation number of `SentConfiguration`s added to the queue, the
assertions are isntead made relative to the exaction generation number
of those `SentConfiguration`s.

Fixes https://github.com/flutter/flutter/issues/176413. I tested this
fix in https://github.com/flutter/flutter/pull/175937; an example
passing build:
https://ci.chromium.org/ui/p/flutter/builders/try/Linux%20Engine%20Drone/3641486/overview.

## Pre-launch Checklist

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- [ ] I read the [Tree Hygiene] wiki page, which explains my
responsibilities.
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we expect every widget to implement].
- [ ] I signed the [CLA].
- [ ] I listed at least one issue that this PR fixes in the description
above.
- [ ] I updated/added relevant documentation (doc comments with `///`).
- [ ] I added new tests to check the change I am making, or this PR is
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2025-10-30 19:29:10 +00:00
gaaclarke
2c9e69f0db
Implements uniform-by-name for web (#176980)
fixes https://github.com/flutter/flutter/issues/176417 (for web)

Now on the web the `FragmentShader.getUniformFloat(String name, [int?
index])` can be used.

## Pre-launch Checklist

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there for submitting PRs.
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responsibilities.
- [x] I read and followed the [Flutter Style Guide], including [Features
we expect every widget to implement].
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- [x] I listed at least one issue that this PR fixes in the description
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- [x] I updated/added relevant documentation (doc comments with `///`).
- [x] I added new tests to check the change I am making, or this PR is
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2025-10-30 19:14:37 +00:00
Elijah Okoroh
fdeb7f5a6e
Update .ci.yaml in flutter/flutter to use 15.5 (#177669)
Update .ci.yaml in flutter/flutter to use 15.5

*List which issues are fixed by this PR. You must list at least one
issue. An issue is not required if the PR fixes something trivial like a
typo.*

Fixes #177394

*If you had to change anything in the [flutter/tests] repo, include a
link to the migration guide as per the [breaking change policy].*

## Pre-launch Checklist

- [X] I read the [Contributor Guide] and followed the process outlined
there for submitting PRs.
- [X] I read the [Tree Hygiene] wiki page, which explains my
responsibilities.
- [x] I read and followed the [Flutter Style Guide], including [Features
we expect every widget to implement].
- [x] I signed the [CLA].
- [x] I listed at least one issue that this PR fixes in the description
above.
- [ ] I updated/added relevant documentation (doc comments with `///`).
- [x] I added new tests to check the change I am making, or this PR is
[test-exempt].
- [ ] I followed the [breaking change policy] and added [Data Driven
Fixes] where supported.
- [ ] All existing and new tests are passing.

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---------

Co-authored-by: Mouad Debbar <mdebbar@google.com>
2025-10-30 18:43:07 +00:00
Jason Simmons
8834b42dff
[Impeller] Fall back to OpenGL ES on older Adreno GPUs (#177747)
These GPUs require additional flags in WorkaroundsVK that affect key
features used by the Vulkan back end such as framebuffer fetch. The
OpenGL ES back end will likely be more reliable on these devices.

Fixes https://github.com/flutter/flutter/issues/177380
2025-10-30 18:41:11 +00:00
gaaclarke
29e46fa49b
impeller: allow setting image sampler uniforms by name (#176749)
follow up to https://github.com/flutter/flutter/pull/176728 which allows
setting image samplers too.

## Pre-launch Checklist

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we expect every widget to implement].
- [x] I signed the [CLA].
- [x] I listed at least one issue that this PR fixes in the description
above.
- [x] I updated/added relevant documentation (doc comments with `///`).
- [x] I added new tests to check the change I am making, or this PR is
[test-exempt].
- [x] I followed the [breaking change policy] and added [Data Driven
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2025-10-30 00:38:26 +00:00