31390 Commits

Author SHA1 Message Date
GowsikRaja
fa8898f682
docs: Impeller usage requirements for ImageFilter.shader and isShader… (#179387)
Summary

This PR improves the API documentation for ImageFilter.shader and
isShaderFilterSupported by making the Impeller requirement more explicit
and visible.

What was changed

Added an “Important” notice to clearly state that these APIs are only
supported with Impeller.
Updated the doc comments to front-load this detail instead of placing it
later in the text.
Added cross-reference notes explaining how isShaderFilterSupported
relates to Impeller.
Why this change is helpful

Developers frequently run into confusion when using shader-based filters
without realizing they require Impeller. This change makes the
requirement obvious and easier to discover.

Issue reference

Fixes #178767
2026-01-05 22:52:08 +00:00
Gray Mackall
884c9b4301
Add a null check for embedded view being added to accessibility tree (#180539)
Fixes 
https://github.com/flutter/flutter/issues/180381
https://github.com/flutter/flutter/issues/179922

which track a regression from
https://github.com/flutter/flutter/pull/168939

Wraps in a null check, and if the embeddedView is null we fall back to
adding the semantics node we are looking at in the loop as a child.

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Co-authored-by: Gray Mackall <mackall@google.com>
2026-01-05 22:50:44 +00:00
Andrew Marshall
77dba65d63
add the existing compute unit tests to the build (#179689)
There are existing compute unit tests in `compute_unittests.cc` but they
were not added to the build. Add them if `impeller_enable_compute` is
enabled.

Closes #179709

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2026-01-05 22:46:27 +00:00
Andrew Marshall
937266f668
use a libcxx abi namespace compatible with lldb (#180134)
LLDB's type formatters expect the libcxx ABI namespace to start with two
leading underscores.

See [LLDB Discourse
Thread](https://discourse.llvm.org/t/lldb-type-summaries-not-displayed-for-libcxx-types/88447)
and [LLDB
Sources](5099c07fa0/lldb/source/Plugins/Language/CPlusPlus/CPlusPlusLanguage.cpp (L761))

Fixes #180132

Note that this change requires a complete rebuild of the engine sources
- see related #180128

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2026-01-05 21:31:10 +00:00
Mohellebi abdessalem
dc089b6722
Fix linter warnings in AccessibilityBridgeTest.java‎ (#180118)
This change fixes some of the linter warnings about wrong order of
arguments passed to `asserts` , and fixes a small warning about
`Charset` usage, an example of these warnings :

<img width="466" height="41" alt="linter_warnings"
src="https://github.com/user-attachments/assets/4400d046-a505-4e03-9bbf-8a965a8cb572"
/>

before:

<img width="129" height="60" alt="after"
src="https://github.com/user-attachments/assets/8b90888e-a275-4008-a2fb-1b8c5522b389"
/>

after:

<img width="102" height="49" alt="after_1"
src="https://github.com/user-attachments/assets/f7927a73-4a7e-45ab-8984-507371fb40c5"
/>


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2026-01-05 20:13:26 +00:00
Mohellebi abdessalem
c027b52433
Remove unnecessary semicolon in InputConnectionAdaptor.java (#180473)
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2026-01-05 18:13:52 +00:00
Mohellebi abdessalem
5423b00657
Small cleanUp in FlutterView.java (#180474)
fixes:
- link specified as text.
- typos.
- unnecessary `toString()`.
- refactor similar catch blocks.

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2026-01-05 16:18:44 +00:00
chunhtai
423a30323c
Relands "Feat: Add a11y for loading indicators (#165173)" (#178402)
This reverts commit ef29db350f0951ab976e2fdb5d092e65578329e5.

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reland https://github.com/flutter/flutter/pull/165173

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2026-01-02 22:43:24 +00:00
bungeman
c00f050f11
Add SK_SUPPORT_LEGACY_UNSPANNED_GRADIENTS to SkUserConfig.h (#180443)
Skia is planning to remove some deprecated gradient factory methods. Add
a define to keep them until they are no longer used.
2026-01-02 20:13:07 +00:00
Tong Mu
0015d2b6bf
[Framework] iOS style blurring and ImageFilterConfig (#175473)
This PR adds the framework support for a new iOS-style blur. The new
style, which I call "bounded blur", works by adding parameters to the
blur filter that specify the bounds for the region that the filter
sources pixels from.

As discussed in design doc
[flutter.dev/go/ios-style-blur-support](http://flutter.dev/go/ios-style-blur-support),
it's impossible to pass layout information to filters with the current
`ImageFilter` design. Therefore this PR creates a new class
`ImageFilterConfig`.

This PR also applies bounded blur to `CupertinoPopupSurface`. The
following images show the different looks of a dialog in front of
background with abrupt color changes just outside of the border. Notice
how the abrupt color changes no longer bleed in.

<img width="639" height="411" alt="image"
src="https://github.com/user-attachments/assets/4ceb9620-1056-45c3-b5fa-2ed16d90aace"
/>

<img width="639" height="411" alt="image"
src="https://github.com/user-attachments/assets/abe564f7-ea60-4d07-ad58-063c0e3794a5"
/>

This feature continues to matter for iOS 26, since the liquid glass
design also heavily features blurring.

### API changes

* `BackdropFilter`: Add `filterConfig`
* `RenderBackdropFilter`: Add `filterConfig`. Deprecate `filter`.
* `ImageFilter`: Add `debugShortDescription` (previously private
property `_shortDescription`)

### Demo

The following video compares the effect of a bounded blur and an
unbounded blur.


https://github.com/user-attachments/assets/f715db44-c0a0-4ac8-a163-6b859665b032

<details>
<summary>
Demo source
</summary>

```
// Add to pubspec.yaml:
//
//  assets:
//      - assets/kalimba.jpg
//
// and download the image from
// ec6f550237/engine/src/flutter/impeller/fixtures/kalimba.jpg

import 'package:flutter/material.dart';

void main() => runApp(const MaterialApp(home: BlurEditorApp()));

class ControlPoint extends StatefulWidget {
  const ControlPoint({
    super.key,
    required this.position,
    required this.onPanUpdate,
    this.radius = 20.0,
  });

  final Offset position;
  final GestureDragUpdateCallback onPanUpdate;
  final double radius;

  @override
  ControlPointState createState() => ControlPointState();
}

class ControlPointState extends State<ControlPoint> {
  bool isHovering = false;

  @override
  Widget build(BuildContext context) {
    return Positioned(
      left: widget.position.dx - widget.radius,
      top: widget.position.dy - widget.radius,
      child: MouseRegion(
        onEnter: (_) { setState((){ isHovering = true; }); },
        onExit: (_) { setState((){ isHovering = false; }); },
        cursor: SystemMouseCursors.move,
        child: GestureDetector(
          onPanUpdate: widget.onPanUpdate,
          child: AnimatedContainer(
            duration: const Duration(milliseconds: 200),
            width: widget.radius * 2,
            height: widget.radius * 2,
            decoration: BoxDecoration(
              shape: BoxShape.circle,
              color: isHovering
                  ? Colors.white.withValues(alpha: 0.8)
                  : Colors.white.withValues(alpha: 0.4),
              border: Border.all(color: Colors.white, width: 2),
              boxShadow: [
                if (isHovering)
                  BoxShadow(
                    color: Colors.white.withValues(alpha: 0.5),
                    blurRadius: 10,
                    spreadRadius: 2,
                  )
              ],
            ),
            child: const Icon(Icons.drag_indicator, size: 16, color: Colors.black54),
          ),
        ),
      ),
    );
  }
}

class BlurPanel extends StatelessWidget {
  const BlurPanel({super.key, required this.blurRect, required this.bounded});

  final Rect blurRect;
  final bool bounded;

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Column(
        children: [
          Expanded(
            child: Stack(
              children: [
                Positioned.fill(
                  child: Image.asset(
                    'assets/kalimba.jpg',
                    fit: BoxFit.cover,
                  ),
                ),
                Positioned.fromRect(
                  rect: blurRect,
                  child: ClipRect(
                      child: BackdropFilter(
                    filterConfig: ImageFilterConfig.blur(
                        sigmaX: 10, sigmaY: 10, bounded: bounded),
                    child: Container(),
                  )),
                ),
              ],
            ),
          ),
          Padding(
            padding: const EdgeInsets.all(8.0),
            child: Text(
              bounded ? 'Bounded Blur' : 'Unbounded Blur',
              style: const TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
            ),
          ),
        ],
      ),
    );
  }
}

class BlurEditorApp extends StatefulWidget {
  const BlurEditorApp({super.key});

  @override
  State<BlurEditorApp> createState() => _BlurEditorAppState();
}

class _BlurEditorAppState extends State<BlurEditorApp> {
  Offset p1 = const Offset(100, 100);
  Offset p2 = const Offset(300, 300);

  @override
  Widget build(BuildContext context) {
    final blurRect = Rect.fromPoints(p1, p2);

    return Scaffold(
      body: Stack(
        children: [
          Positioned.fill(
            child: Row(
              children: [
                Expanded(
                  child: BlurPanel(blurRect: blurRect, bounded: true),
                ),
                Expanded(
                  child: BlurPanel(blurRect: blurRect, bounded: false),
                ),
              ],
            ),
          ),

          ControlPoint(position: p1, onPanUpdate: (details) { setState(() => p1 = details.globalPosition); }),
          ControlPoint(position: p2, onPanUpdate: (details) { setState(() => p2 = details.globalPosition); }),
        ],
      ),
    );
  }
}

```

</details>


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2025-12-30 21:57:28 +00:00
walley892
560cb50dae
Fix issue with getUniformFloat crashing with hot reload (#180138)
Fixes https://github.com/flutter/flutter/issues/180101.

Our hot reloading behavior for shader uniforms only handled the case
where uniforms were reordered. In the case that a uniform was renamed or
deleted, and a user had acquired a handle to that uniform via
`getUniformFloat`, we would try (and fail) to locate that uniform in the
shader, and the program would crash.

This PR fixes that issue and adds a test to verify. Also manually
verified on mac and android

## Pre-launch Checklist

- [ x] I read the [Contributor Guide] and followed the process outlined
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2025-12-30 21:38:26 +00:00
walley892
b51ad9db38
Allow setting vector uniforms by name. (#179927)
Create a few thin wrappers around `UniformFloatSlot` that allow users to
get Vector uniforms by name and set all elements in one go.

Before:
```dart
shader.getUniformFloat('uColor', 0).set(color.r);
shader.getUniformFloat('uColor', 1).set(color.g);
shader.getUniformFloat('uColor', 2).set(color.b);
```

After:
```dart
shader.getUniformVec3('uColor').set(color.r, color.g, color.b);
```

This enforces that the requested vector is actually of the requested
size. For example:
```dart
shader.getUniformVec2('someVec3Uniform');
```
will fail instead of allowing partial uniform access.

## Follow up
This doesn't add list or matrix datatypes, those will come later. 
Also doesn't have anything super fancy like accessors/setters for
individual elements.


## Pre-launch Checklist

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above.
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[test-exempt].
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Fixes] where supported.
- [ x] All existing and new tests are passing.
2025-12-30 01:06:42 +00:00
Jim Graham
b568f332e5
New optimized general convex path shadow algorithm (#178370)
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Convex paths will now use an optimized mesh-based algorithm to render
shadows. The algorithm is based on the code in SkShadowTessellator.

Fixes https://github.com/flutter/flutter/issues/170764

## Pre-launch Checklist

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- [x] I added new tests to check the change I am making, or this PR is
[test-exempt].
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2025-12-23 17:50:23 +00:00
Tong Mu
906d520c2b
[Engine] iOS style blurring (#175458)
This PR adds the engine support for a new iOS-style blur. It works by
adding parameters to the blur filter that specify its _blurring bounds_.

This is the engine-side implementation. The corresponding framework
changes that expose this to developers are in:
* Framework PR: https://github.com/flutter/flutter/pull/175473

Related issues:
* Main tracking issue: https://github.com/flutter/flutter/issues/99691
* Algorithm details:
https://github.com/flutter/flutter/issues/164267#issuecomment-2731163225

Design doc & previous discussions:
[flutter.dev/go/ios-style-blur-support](flutter.dev/go/ios-style-blur-support)

### The Visual (Before & After)

This new mode, which I'm calling "bounded blur," is different from the
traditional (global) gaussian blur in that blurs would not sample
transparent pixels from outside the provided area.

The demo below shows the old blur (left) and the new bounded blur
(right). Both are blurring a black triangle.

<img width="1008" height="557" alt="image"
src="https://github.com/user-attachments/assets/202fa4a1-a61f-4357-9dce-73c545cf3b07"
/>

<img height="557" alt="image"
src="https://github.com/user-attachments/assets/0d544e6a-4c88-488d-84c3-60d617c9d614"
/>

Notice the new version on the right no longer has the bright "lining" at
the top and left edges. This is because the blur algorithm now knows its
own bounds and correctly stops sampling pixels from outside that area.

### Technical details

#### API Change

To pass the bounds information down, I've added new parameters to
`_initBlur`:

```dart
  // painting.dart
  external void _initBlur(
    double sigmaX,
    double sigmaY,
    int tileMode,
    bool bounded,  // Start of new parameters
    double boundsLeft,
    double boundsTop,
    double boundsRight,
    double boundsBottom,
  );
```

#### How the Bounds Are Used
These bounds are passed all the way down to `GaussianBlurFilterContents`
and affect two key parts of the process:

* Downsampling Pass: The shader is instructed not to sample any pixels
outside the provided bounds.
* Blurring Passes: The final blurred result is divided by the resulting
opacity. This normalizes the varying alpha (due to varying sum of
weights) across the pixels near the edge.

#### Notable Engine Changes
To handle the downsampling logic, I created a new downsampling shader
`texture_downsample_bounded`.

## Pre-launch Checklist

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2025-12-23 01:43:15 +00:00
Mohellebi abdessalem
252992f143
Small clean up in LocalizationPlugin (#180053)
- remove unused local variable.
- refactor similar logic (return part) between the two parts of the
function.

## Pre-launch Checklist

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Fixes] where supported.
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2025-12-22 19:32:15 +00:00
Mohellebi abdessalem
1ba3333685
Remove usages of Android's AsyncTask in favor of java.util.concurrent (#180050)
Fixes #98609
## Pre-launch Checklist

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2025-12-22 17:13:24 +00:00
auto-submit[bot]
78a6a010ae
Reverts "[reland] Unify canvas creation and Surface code in Skwasm and CanvasKit (#179473)" (#180152)
<!-- start_original_pr_link -->
Reverts: flutter/flutter#179473
<!-- end_original_pr_link -->
<!-- start_initiating_author -->
Initiated by: harryterkelsen
<!-- end_initiating_author -->
<!-- start_revert_reason -->
Reason for reverting: Potentially causing flaky skwasm framework tests:
https://ci.chromium.org/ui/p/flutter/builders/prod/Linux%20web_skwasm_tests_1/9062/overview
<!-- 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
Fixes] where supported.
- [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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<!-- end_revert_body -->

Co-authored-by: auto-submit[bot] <flutter-engprod-team@google.com>
2025-12-20 01:03:29 +00:00
Harry Terkelsen
effb2e1ac1
[reland] Unify canvas creation and Surface code in Skwasm and CanvasKit (#179473)
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.

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2025-12-19 22:27:25 +00:00
Matthew Kosarek
a214a356a4
Fix an issue where the semantics announce event may be encoded as either an int32_t or an int64_t depending on its value (#180071)
fixes https://github.com/flutter/flutter/issues/179563

## What's new?
- The viewId on the announce semantics event may be either an int32 or
an int64, depending on what the codec perceives is best
- We should parse either one of them on the Win32 side of things

## 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
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- [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 `///`).
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[test-exempt].
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2025-12-19 19:36:36 +00:00
Ben Konyi
adfcf515fd
[ Web ] Pass --enable-experimental-ffi when compiling WASM tests (#180127)
The CFE will start treating unsupported library imports as errors in an
upcoming change (see https://github.com/dart-lang/sdk/issues/62125)
which will cause web engine compilation tests to fail without the
`--enable-experimental-ffi` flag.

This change passes `--enable-experimental-ffi` to `dart2wasm` in
preparation for this change in behavior.
2025-12-19 19:26:20 +00:00
richardexfo
a38f2f3fe6
Set text input purpose and hints on Linux platform (#180013)
For GTK+3 the purpose and hints of a Text Input are set through
properties of the Input Method g_object. The properties have to be
extracted from the inputType configuration.
This affects virtual keyboards on Linux.  


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2025-12-19 15:20:58 +00:00
gaaclarke
9c47d57dbb
Fix rotated image filter shader (#180027)
fixes https://github.com/flutter/flutter/issues/179918

This blocks us from rerasterizing if there is a rotation on the
imagefilter being drawn. This restores the behavior before
c089837469
while keeping the golden introduced in that pr working.

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2025-12-18 23:04:55 +00:00
chunhtai
420a32438c
wires up SetSemanticsTreeEnabled to android accessibility bridge (#177954)
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Before the change, the bridge only listens to updateSemantics when it
receives signal from the OS

After the change, the bridge always listens to updateSemantics, but will
clear out caches when SetSemanticsTreeEnabled is called with false

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Co-authored-by: Matt Boetger <matt.boetger@gmail.com>
2025-12-18 21:56:40 +00:00
gaaclarke
5632701286
Moved high bitrate texture tests to engine (#179906)
This adds a few goldens where skia supports the file format. This is a
bit more scalable and direct than managing integration tests.

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2025-12-18 17:04:34 +00:00
Mohellebi abdessalem
052435ce7b
Remove unnecessary @RequiresApi annotations in FlutterView.java (#180051)
after #175508 has Landed some of these warnings started to appear:
<img width="471" height="234" alt="save_0"
src="https://github.com/user-attachments/assets/f3ef3e61-861e-456e-a7ec-f2315db742bc"
/>

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2025-12-18 16:32:50 +00:00
Matt Boetger
103dfa6c35
Revert "Revert "Android implementation of content sizing"" (#179753)
Reverts flutter/flutter#179698

Relands Content Sizing

Android Embedder implementation of content sizing.

Fixes: https://github.com/flutter/flutter/issues/149033
2025-12-17 22:29:38 +00:00
Gray Mackall
ef3dbceed2
Modify the create_cipd_packages.sh script to allow uploading multiple build-tools versions, and update to new bundle (#179963)
1. modifies the script slightly to allow passing in multiple versions
for a given element
2. updates to build tools 36.1.0, and adds 35.0.0 and 34.0.0
3. also adds cmake to the list, version 3.22.1, as that downloaded in
our ci currently
4. changes ci yaml and deps file accordingly

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---------

Co-authored-by: Gray Mackall <mackall@google.com>
2025-12-17 18:14:14 +00:00
hellohuanlin
db4e210772
[ios][pv] quick fix to enable and re-enable web view's gesture recognizer (#179908)
This is a quick fix to the web view/admob not tappable issue. It
performs DFS on a platform view hierarchy to find a web view. If found,
it performs another DFS into the web view to "fix" a gesture recognizer.

Warning: This is just a "quick fix" that patches the bug. However, a
real solution should rely on overriding the "hitTest" behavior.

For example, there's still a existing bug that a drawing website's touch
is not completely blocked (see
https://github.com/flutter/flutter/issues/179916). This can only be
fixed by "hitTest". However, "hitTest" approach requires plugin updates
and would take much longer time, so we decided to [revert
it](https://github.com/flutter/flutter/pull/179895). But we should
revisit after putting out the fire.

https://github.com/flutter/flutter/issues/175099
https://github.com/flutter/flutter/issues/165787


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2025-12-17 04:57:27 +00:00
LN Liberda
bb91eec6eb
Minor fixes for libstdc++ 15 (#178601)
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*Replace this paragraph with a description of what this PR is changing
or adding, and why. Consider including before/after screenshots.*
This adds some includes and changes an API in an internal tool to use
`std::string` instead of `std::string_view` for a path, fixing builds
with libstdc++ 15

*List which issues are fixed by this PR. You must list at least one
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2025-12-16 19:39:00 +00:00
Mohellebi abdessalem
939a60563f
Align Build.API_LEVELS usage in FlutterImageDecoder.java‎ with existing usage (#179868)
example of existing import :

331cdce7b5/engine/src/flutter/shell/platform/android/io/flutter/embedding/android/AndroidTouchProcessor.java (L6-L8)

and the usage :


331cdce7b5/engine/src/flutter/shell/platform/android/io/flutter/embedding/android/AndroidTouchProcessor.java (L486)

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2025-12-16 19:35:46 +00:00
hellohuanlin
8dedaeaf41
Revert "[ios][pv] accept/reject gesture based on hitTest (with new wi… (#179895)
…dget API) (#179659)"

This reverts commit 87d15897b220d62339c77260b429c645515b09e7.

*Replace this paragraph with a description of what this PR is changing
or adding, and why. Consider including before/after screenshots.*

We found a quick fix ([PR
here](https://github.com/flutter/flutter/pull/179908)), so revert it and
revisit `hitTest` later.

*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.*

NA

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2025-12-16 19:35:46 +00:00
Hari07
5c08658ec2
Platform view blur clipping - Rounded Rect (iOS) (#177551)
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This PR aims to fix blurs on platform views not being clipped on ios.
Currently the clips were not forwarded to the mutator stack and thus
just ignored. The frame the blur is in was being used which would always
behave like a clip rect ignoring any corner radii or clip paths etc

Now all rrect, rse and path clips are being forwarded to the mutator
stack.

**Currently only rounded rect has been implemented though, and even in
that just a single uniform corner radii, which seems to be most of the
use cases from users who have run into this issue.**


Example: 
```dart
Widget build(BuildContext context) {
    return ClipRRect(
      borderRadius: BorderRadius.circular(50),
      child: Container(
        width: 200,
        height: 200,
        decoration: BoxDecoration(
          color: Colors.black.withOpacity(0.2),
          borderRadius: BorderRadius.circular(500),
        ),
        child: BackdropFilter(
          filter: ImageFilter.blur(sigmaX: 10.0, sigmaY: 10.0),
          child: const Center(
            child: Text('Blurred block 1'),
          ),
        ),
      ),
    );
```
Before:
<img
src="https://github.com/user-attachments/assets/229c82a0-70de-4e23-841e-2cbea92cc79f"
height="600">

After:
<img
src="https://github.com/user-attachments/assets/537f4215-5f0f-4cd6-aa09-e058d133e8ac"
height="600">


*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
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https://github.com/flutter/flutter/issues/115926

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---------

Co-authored-by: Gray Mackall <34871572+gmackall@users.noreply.github.com>
2025-12-16 19:34:39 +00:00
Gray Mackall
91cc68f695
[Reland] Unmodified android sdk bundle (#179920)
Relands https://github.com/flutter/flutter/pull/179647

There were only two failing tests (there were also two bringup failures,
the `mac_arm64_mokey` versions of these)

https://ci.chromium.org/ui/p/flutter/builders/prod/Mac_mokey%20run_release_test/3866/overview

https://ci.chromium.org/ui/p/flutter/builders/prod/Mac_mokey%20run_debug_test_android/5454/overview

They failed with the same logs
```
Task result:
{
  "success": false,
  "reason": "Task failed: flutter run  had unexpected output on standard error."
}
```

The stderr in question:
```
[2025-12-15 14:06:56.311794] [STDOUT] run:stderr: - integration_test requires Android NDK 28.2.13676358
[2025-12-15 14:06:56.311989] [STDOUT] run:stderr: Fix this issue by using the highest Android NDK version (they are backward compatible).
[2025-12-15 14:06:56.312019] [STDOUT] run:stderr: Add the following to /opt/s/w/ir/x/w/rc/tmpr6kj09d_/flutter sdk/dev/integration_tests/ui/android/app/build.gradle:
[2025-12-15 14:06:56.312074] [STDOUT] run:stderr: 
[2025-12-15 14:06:56.312092] [STDOUT] run:stderr:     android {
[2025-12-15 14:06:56.312144] [STDOUT] run:stderr:         ndkVersion = "28.2.13676358"
[2025-12-15 14:06:56.312162] [STDOUT] run:stderr:         ...
[2025-12-15 14:06:56.312205] [STDOUT] run:stderr:     }
```

We can just set the ndk version to `flutter.ndkVersion`, which is this
value. It's also what is set in the templates, so it isn't a hack that
doesn't represent a real flutter app. Verified the tests pass now with
```
../../bin/cache/dart-sdk/bin/dart bin/test_runner.dart test -t run_release_test
../../bin/cache/dart-sdk/bin/dart bin/test_runner.dart test -t run_debug_test_android
```

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---------

Co-authored-by: Gray Mackall <mackall@google.com>
2025-12-16 19:34:38 +00:00
zijiehe@
d81baabfec
Revert "chore: linux fuchsia tests are flaking" (#179897)
Reverts flutter/flutter#179744


https://ci.chromium.org/ui/p/flutter/builders/staging/Linux%20linux_fuchsia_tests?limit=200
Fuchsia builder is green now, the disabled test is actively investigated
by @caroqliu . We can move fuchsia back to prod to avoid unexpected
breakages.
2025-12-16 04:28:40 +00:00
Andrew Marshall
5526436a94
add default-linux-sysroot to gn frontend args (#179303)
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Adds `[no-]default-linux-sysroot` to the `gn` frontend to control the
`use_default_linux_sysroot` argument.

Closes #179298

## Pre-launch Checklist

- [x] I read the [Contributor Guide] and followed the process outlined
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2025-12-15 23:35:15 +00:00
Adil Hanney
8a7560de18
Add Adwaita Sans as a font fallback on Linux (#179144)
Gnome 48 (from March 2025) switched its default font from `Cantarell` to
`Adwaita Sans`:
https://blogs.gnome.org/monster/introducing-adwaita-fonts/.

This PR adds `Adwaita Sans` to the Linux font fallbacks list: `Adwaita
Sans` will be used instead of `Cantarell` if available.

Adwaita Sans is a slightly tweaked version of Inter, and therefore fits
in with `Roboto` and the rest of the Linux font stack.

- Closes https://github.com/flutter/flutter/issues/179141

***

<details>
<summary>**Pre-launch Checklist**</summary>

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---------

Co-authored-by: Tong Mu <dkwingsmt@users.noreply.github.com>
2025-12-15 23:04:22 +00:00
auto-submit[bot]
8edbbb7391
Reverts "Unmodified android sdk bundle (#179647)" (#179904)
<!-- start_original_pr_link -->
Reverts: flutter/flutter#179647
<!-- end_original_pr_link -->
<!-- start_initiating_author -->
Initiated by: gmackall
<!-- end_initiating_author -->
<!-- start_revert_reason -->
Reason for reverting: Mac_mokey run_release_test failing
<!-- end_revert_reason -->
<!-- start_original_pr_author -->
Original PR Author: gmackall
<!-- end_original_pr_author -->

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

<!-- start_revert_body -->
This change reverts the following previous change:
Changes our cipd hosted android sdk+ndk bundle to no longer modify
directory structure from what Android directly provides, allowing AGP to
find the ndk automatically and preventing downloading.

1. Changes the `create_cipd_packages.sh` script so we don't move the ndk
2. Uses the new script to upload a
[36v4unmodified](https://chrome-infra-packages.appspot.com/p/flutter/android/sdk/all/linux-amd64/+/version:36v4unmodified)
bundle
3. Changes DEPS+ci.yaml to reference the new bundle
4. Changes GN build rules accordingly
5. Removes special config in existing build.gradle files to point at the
location of the ndk - agp should now know where it is without conig
6. For some tests, passes in an environment variable pointing to the ndk
location, to override the environment variable passed by the recipes.
This variable is respected by the tool, so the recipes passing it,
pointing to the wrong place, is problematic. After this change lands we
can stop passing it in the recipes, and then we can remove this special
config in the tests. But adding it temporarily allows us to make this
change without coordinating a recipes change at the same moment, and
probably breaking things out of band.

Logs from a random postsubmit run of `Mac
build_android_host_app_with_module_aar` on the tree currently:

https://logs.chromium.org/logs/flutter/buildbucket/cr-buildbucket/8695664517253382913/+/u/run_build_android_host_app_with_module_aar/stdout
We see 
> [2025-12-12 10:49:49.223087] [STDOUT] stdout: Checking the license for
package NDK (Side by side) 28.2.13676358 in
/Volumes/Work/s/w/ir/cache/android/sdk/licenses
[2025-12-12 10:49:49.223221] [STDOUT] stdout: License for package NDK
(Side by side) 28.2.13676358 accepted.
[2025-12-12 10:49:49.223268] [STDOUT] stdout: Preparing "Install NDK
(Side by side) 28.2.13676358 v.28.2.13676358".
[2025-12-12 10:50:14.093824] [STDOUT] stdout: "Install NDK (Side by
side) 28.2.13676358 v.28.2.13676358" ready.
[2025-12-12 10:50:14.093909] [STDOUT] stdout: Installing NDK (Side by
side) 28.2.13676358 in
/Volumes/Work/s/w/ir/cache/android/sdk/ndk/28.2.13676358
[2025-12-12 10:50:14.093947] [STDOUT] stdout: "Install NDK (Side by
side) 28.2.13676358 v.28.2.13676358" complete.
[2025-12-12 10:50:14.410724] [STDOUT] stdout: "Install NDK (Side by
side) 28.2.13676358 v.28.2.13676358" finished.

Example of no longer downloading:
Logs from a presubmit run:

https://logs.chromium.org/logs/flutter/buildbucket/cr-buildbucket/8695732180931529361/+/u/run_build_android_host_app_with_module_aar/stdout

We don't see these logs. We still see android build tools downloading -
we can probably tackle that in another pr.

## Pre-launch Checklist

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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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<!-- end_revert_body -->

Co-authored-by: auto-submit[bot] <flutter-engprod-team@google.com>
2025-12-15 21:55:49 +00:00
Gray Mackall
c0b808c9ed
Unmodified android sdk bundle (#179647)
Changes our cipd hosted android sdk+ndk bundle to no longer modify
directory structure from what Android directly provides, allowing AGP to
find the ndk automatically and preventing downloading.

1. Changes the `create_cipd_packages.sh` script so we don't move the ndk
2. Uses the new script to upload a
[36v4unmodified](https://chrome-infra-packages.appspot.com/p/flutter/android/sdk/all/linux-amd64/+/version:36v4unmodified)
bundle
3. Changes DEPS+ci.yaml to reference the new bundle
4. Changes GN build rules accordingly
5. Removes special config in existing build.gradle files to point at the
location of the ndk - agp should now know where it is without conig
6. For some tests, passes in an environment variable pointing to the ndk
location, to override the environment variable passed by the recipes.
This variable is respected by the tool, so the recipes passing it,
pointing to the wrong place, is problematic. After this change lands we
can stop passing it in the recipes, and then we can remove this special
config in the tests. But adding it temporarily allows us to make this
change without coordinating a recipes change at the same moment, and
probably breaking things out of band.

Logs from a random postsubmit run of `Mac
build_android_host_app_with_module_aar` on the tree currently:

https://logs.chromium.org/logs/flutter/buildbucket/cr-buildbucket/8695664517253382913/+/u/run_build_android_host_app_with_module_aar/stdout
We see 
> [2025-12-12 10:49:49.223087] [STDOUT] stdout: Checking the license for
package NDK (Side by side) 28.2.13676358 in
/Volumes/Work/s/w/ir/cache/android/sdk/licenses
[2025-12-12 10:49:49.223221] [STDOUT] stdout: License for package NDK
(Side by side) 28.2.13676358 accepted.
[2025-12-12 10:49:49.223268] [STDOUT] stdout: Preparing "Install NDK
(Side by side) 28.2.13676358 v.28.2.13676358".
[2025-12-12 10:50:14.093824] [STDOUT] stdout: "Install NDK (Side by
side) 28.2.13676358 v.28.2.13676358" ready.
[2025-12-12 10:50:14.093909] [STDOUT] stdout: Installing NDK (Side by
side) 28.2.13676358 in
/Volumes/Work/s/w/ir/cache/android/sdk/ndk/28.2.13676358
[2025-12-12 10:50:14.093947] [STDOUT] stdout: "Install NDK (Side by
side) 28.2.13676358 v.28.2.13676358" complete.
[2025-12-12 10:50:14.410724] [STDOUT] stdout: "Install NDK (Side by
side) 28.2.13676358 v.28.2.13676358" finished.

Example of no longer downloading:
Logs from a presubmit run:

https://logs.chromium.org/logs/flutter/buildbucket/cr-buildbucket/8695732180931529361/+/u/run_build_android_host_app_with_module_aar/stdout

We don't see these logs. We still see android build tools downloading -
we can probably tackle that in another pr.

## Pre-launch Checklist

- [ ] I read the [Contributor Guide] and followed the process outlined
there for submitting PRs.
- [ ] I read the [Tree Hygiene] wiki page, which explains my
responsibilities.
- [ ] I read and followed the [Flutter Style Guide], including [Features
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
[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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[Data Driven Fixes]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Data-driven-Fixes.md

---------

Co-authored-by: DoLT <dolt@guide.inc>
Co-authored-by: Gray Mackall <mackall@google.com>
Co-authored-by: John "codefu" McDole <john@mcdole.org>
2025-12-15 20:18:31 +00:00
Mouad Debbar
34bb652f59
[web] Fix resizeToAvoidBottomInset on Android web (#179581)
Fixes https://github.com/flutter/flutter/issues/175074

There was an implicit expectation in the resizing code: When the virtual
keyboard is up on mobile, the view's `physicalSize` remains fixed, and
any resizes (presumably caused by the virtual keyboard itself) should be
considered as `viewInsets`.

This expectation was broken inadvertently by my PR:
https://github.com/flutter/flutter/pull/172493

<hr>

The sequence of events that lead to the reported issue:

1. View's physical size is calculated based on window size.
2. Text editing starts, virtual keyboard comes up.
3. View's physical size remains unchanged, and the difference caused by
the keyboard is reported as view insets to the framework.
4. (so far so good).
5. When `resizeToAvoidBottomInset` is true, the framework will re-render
its content to fit the available size.
6. The new render call comes with a new size that's basically `physical
height - bottom inset`.
7. The engine takes that new size and applies it to the DOM.
8.  (now the view's DOM element has been resized incorrectly).
9. ...
10. Eventually, this leads to the new insets being calculated
incorrectly resulting in negative insets which cause the framework to
throw.

<hr>

The fix involves the following:
1. Respect the expectation mentioned above: when the keyboard is up,
view's physical size should remain unchanged.
2. *_If_* we ever end up with negative insets, catch it earlier in the
engine so it's easier to debug the root cause.
3. New regression test.
2025-12-15 19:22:14 +00:00
Илия
c12339499d
Suppress deprecation warning for AChoreographer_postFrameCallback (#178580)
## Description

This PR fixes a build error when compiling Flutter's Impeller engine
against Android API 35. The deprecated
`AChoreographer_postFrameCallback` API causes a fatal compilation error,
but is still required for backward compatibility with Android devices
running API levels 24-28.

The fix adds compiler pragma directives to suppress the deprecation
warning without changing runtime behavior. The code continues to:
- Prefer `AChoreographer_postFrameCallback64` on API 29+ devices (newer,
recommended API)
- Fall back to `AChoreographer_postFrameCallback` on API 24-28 devices
(legacy support)

This approach follows the recommendation from @chinmaygarde in the issue
comments.

**Changed file:**
- `engine/src/flutter/impeller/toolkit/android/proc_table.h`

**Changes made:**
```cpp
#define FOR_EACH_ANDROID_PROC(INVOKE)                            \
  INVOKE(AChoreographer_getInstance, 24)                         \
  _Pragma("clang diagnostic push")                               \
  _Pragma("clang diagnostic ignored \"-Wdeprecated-declarations\"") \
  INVOKE(AChoreographer_postFrameCallback, 24)                   \
  _Pragma("clang diagnostic pop")                                \
  INVOKE(AChoreographer_postFrameCallback64, 29)                 \
  ...
```

## Issues Fixed

Fixes #173656

## 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.

**Test exemption justification:** This change only suppresses a
compile-time warning and does not modify runtime behavior. The existing
choreographer tests cover the runtime functionality.

<!-- Links -->
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[CLA]: https://cla.developers.google.com/
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[breaking change policy]:
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[Data Driven Fixes]:
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2025-12-15 19:21:56 +00:00
Andrew Marshall
11022f4d8c
remove unnecessary virtual destructor from VertexDescriptor (#178682)
`virtual` qualifier on `VertexDescriptor` descriptor is unnecessary as
the class is `final`, and raises `-Wunnecessary-virtual-specifier` in
Clang 21.1.0+

Closes #178681


## 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.
2025-12-15 19:18:10 +00:00
Jason Simmons
e32ddabf31
[Impeller] Delete GLES framebuffer objects only on the thread where they were created (#179768)
OpenGL does not allow cross-context sharing of container objects (such
as framebuffers) that hold references to other objects. ReactorGLES must
ensure that framebuffers are deleted using the thread and context where
the object was created.

Fixes https://github.com/flutter/flutter/issues/178276
2025-12-15 18:55:09 +00:00
Jason Simmons
795b1d2266
[Impeller] Convert paths in ImpellerC command line flags to std::filesystem::path objects (#179717)
This ensures proper handling of non-ASCII characters in paths when
running ImpellerC on Windows.
2025-12-15 18:55:08 +00:00
Mohellebi abdessalem
bca7cce2ca
Remove unnecessary unboxing in FlutterLoader.java‎ (#179869)
## 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 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
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[CLA]: https://cla.developers.google.com/
[flutter/tests]: https://github.com/flutter/tests
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[Data Driven Fixes]:
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2025-12-15 16:10:18 +00:00
Mohellebi abdessalem
a588c85d8d
Bump minSdk to 24 in engine (#175508)
Relands #175278
this PR bumps used minSdk version in the `engine` to `24` .

## 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] All existing and new tests are passing.
- [x] I followed the [breaking change policy] and added [Data Driven
Fixes] where supported.
- [ ] 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
[test-exempt].

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
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Comments from the `gemini-code-assist` bot should not be taken as
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---------

Signed-off-by: dependabot[bot] <support@github.com>
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2025-12-15 14:44:07 +00:00
Robert Ancell
331cdce7b5
Remove obsolete windowing channel (#179718)
This was an older method used for multi-window and has since been
replaced with FFI.
2025-12-14 20:21:26 +00:00
b-luk
add442b29c
Add FilterQuality parameter to FragmentShader.setImageSampler (#179760)
Add FilterQuality parameter to FragmentShader.setImageSampler

Fixes #133944

## 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].
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https://github.com/flutter/flutter/blob/main/docs/contributing/Chat.md
[Data Driven Fixes]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Data-driven-Fixes.md
2025-12-13 00:51:37 +00:00
walley892
3b4ada3259
Add profiling counts to pipeline uses (#179374)
This PR adds functionality that logs uses of pipeline variants during
render passes across all rendering backends for impeller. It also adds a
method to the engine service protocol that emits these usage statistics.
New functionality is unit tested.

Fixes https://github.com/flutter/flutter/issues/176660.
2025-12-13 00:41:54 +00:00
Jackson Gardner
19633544a4
Update Skwasm to engine style guidelines. (#179756)
This updates the Skwasm library to conform to the style of the rest of
the engine. This includes:
* Moving the location of the skwasm library into
`engine/src/flutter/skwasm` instead of
`engine/src/flutter/lib/web_ui/skwasm`, since that was altogether too
nested and weird.
* Changed all the file extensions to `.cc` instead of `.cpp`
* Changed all local include paths to be from the `engine/src/flutter`
directory rather than relying on the source file's location.
* Changed ordering of include paths.
* Removed instances of `using namespace`
* Changed local variable names and argument names to use snake_case
* Changed class functions to use UpperCamelCase
* Changed private member variables to use trailing_ underscore instead
of _leading.
* Removed some uses of `auto`
2025-12-12 22:49:25 +00:00
engine-flutter-autoroll
080f628843
Roll Dart SDK from 9a65db770758 to f105c2168574 (5 revisions) (#179814)
https://dart.googlesource.com/sdk.git/+log/9a65db770758..f105c2168574

2025-12-12 dart-internal-merge@dart-ci-internal.iam.gserviceaccount.com
Version 3.11.0-240.0.dev
2025-12-12 dart-internal-merge@dart-ci-internal.iam.gserviceaccount.com
Version 3.11.0-239.0.dev
2025-12-12 dart-internal-merge@dart-ci-internal.iam.gserviceaccount.com
Version 3.11.0-238.0.dev
2025-12-12 dart-internal-merge@dart-ci-internal.iam.gserviceaccount.com
Version 3.11.0-237.0.dev
2025-12-11 dart-internal-merge@dart-ci-internal.iam.gserviceaccount.com
Version 3.11.0-236.0.dev

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

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
2025-12-12 22:25:24 +00:00