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base repository: flutter/engine
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  • 4 commits
  • 16 files changed
  • 5 contributors

Commits on May 14, 2024

  1. Rolls in buildroot with stack protection flag (#52774) 

    Rolls in flutter/buildroot#857
    @zanderso
    zanderso authored May 14, 2024
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  2. Refactor Semantics in preparation for ARC migration (#52729) 

    Split the too-large `Semantics` [MRC to ARC migration](flutter/flutter#137801) into two PRs: this one, which refactors, and the next which will actually do the migration.

1. Use properties instead of their backing ivars (except in the usual init, dealloc, getters/setters)
2. For Foundation collections prefer `copy` over `strong`.
3. Dot notation for properties
4. Change `privateSetParent:` to instead use a `readwrite` property in `SemanticsObject ()`. 
5. Switch the `semanticsObject` property from `weak` to `retain` to get the synthesized property (keeping it as `weak` is a compilation error in MRC) but I'll swap it back to a `weak` in the ARC migration PR coming next.
6. `SemanticsObjectTest` fails on my machine and passes on CI.  Switched the cleaner `CGRectEqualToRect` (and related) checks to instead assert x, y, width, height so we can see the value when it fails:
```
((CGSizeEqualToSize( scrollView.contentSize, CGSizeMake((w + scrollExtentMax) * effectivelyScale, h * effectivelyScale))) is true) failed
```
becomes:
```
((scrollView.contentSize.height) equal to (h * effectivelyScale)) failed: ("33.3333333333") is not equal to ("33.333336")
```
Use `XCTAssertEqualWithAccuracy` now that I can see it's a floating point precision issue.
    @jmagman
    jmagman authored May 14, 2024
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  3. [Impeller] Create framebuffer blend vertices based on the snapshot's … 

    …texture size instead of coverage (#52790)

The snapshot's transform is provided to the pipeline.  If the vertices are based on the coverage rectangle, then that will apply the snapshot's transform twice.

Fixes flutter/flutter#148213
    @jason-simmons
    jason-simmons authored May 14, 2024
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  4. [Impeller] migrated one test over from aiks to dl (#52786) 

    A redo of #52711 that maintains
our existing testing patterns.

## 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] and the [C++,
Objective-C, Java style guides].
- [x] I listed at least one issue that this PR fixes in the description
above.
- [x] I added new tests to check the change I am making or feature I am
adding, or the PR is [test-exempt]. See [testing the engine] for
instructions on writing and running engine tests.
- [x] I updated/added relevant documentation (doc comments with `///`).
- [x] I signed the [CLA].
- [x] All existing and new tests are passing.

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

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---------

Co-authored-by: jonahwilliams <[email protected]>
    @gaaclarke
    gaaclarke and jonahwilliams authored May 14, 2024
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