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@kjlubick kjlubick commented Oct 29, 2025

Skia is removing the APIs that allow changing an SkPath. This updates those callsites to use SkPathBuilder where appropriate.

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@github-actions github-actions bot added engine flutter/engine related. See also e: labels. e: impeller Impeller rendering backend issues and features requests labels Oct 29, 2025
@kjlubick kjlubick changed the title Disable paths Update all uses of mutable SkPath methods to use SkPathBuilder Oct 29, 2025
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Code Review

This pull request undertakes a significant refactoring to migrate from mutable SkPath APIs to the modern SkPathBuilder for path construction, enforced by the SK_HIDE_PATH_EDIT_METHODS preprocessor definition. The changes are extensive, touching the display list, Impeller, and UI layers, as well as associated tests and tools. Overall, the migration appears to be thorough. However, I've identified two critical issues in engine/src/flutter/lib/ui/painting/path.cc: one that will likely cause a compilation failure due to a method being called on SkPathBuilder that does not exist, and a logic error where the result of a path operation is assigned to an incorrect destination path.

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The Skwasm path wrapper needs to be updated before SK_HIDE_PATH_EDIT_METHODS can be enabled (https://github.com/flutter/flutter/blob/master/engine/src/flutter/lib/web_ui/skwasm/path.cpp)

Done

@kjlubick kjlubick enabled auto-merge October 30, 2025 13:27
@github-actions github-actions bot added the platform-web Web applications specifically label Oct 30, 2025
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Considering exposing a PathBuilder as a dart object, now that Path is logically immutable?

@kjlubick kjlubick added this pull request to the merge queue Nov 6, 2025
Merged via the queue into flutter:master with commit 6925f8b Nov 6, 2025
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@kjlubick kjlubick deleted the disable-paths branch November 6, 2025 15:18
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@auto-submit auto-submit bot removed the revert Autorevert PR (with "Reason for revert:" comment) label Nov 6, 2025
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Traced the issue to a difference in behavior in the Op function in the tools/path_ops library.

I'll submit an update to this PR after the revert lands.

github-merge-queue bot pushed a commit that referenced this pull request Nov 6, 2025
…er (#177738)" (#178125)

<!-- start_original_pr_link -->
Reverts: #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.
- [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].
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jason-simmons pushed a commit to jason-simmons/flutter that referenced this pull request Nov 6, 2025
…er#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.
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engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Nov 7, 2025
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github-merge-queue bot pushed a commit that referenced this pull request Nov 7, 2025
…r" (#178142)

This is a reland of #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 <[email protected]>
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Nov 8, 2025
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…10392)

Manual roll requested by [email protected]

flutter/flutter@c5e809a...31a8481

2025-11-06 [email protected] Roll Skia from 68bdfbf5f80a to 116f237bb39d (6 revisions) (flutter/flutter#178121)
2025-11-06 98614782+auto-submit[bot]@users.noreply.github.com Reverts "Update all uses of mutable SkPath methods to use SkPathBuilder (#177738)" (flutter/flutter#178125)
2025-11-06 [email protected] Roll Packages from 3d926aa to f13bad3 (12 revisions) (flutter/flutter#178111)
2025-11-06 [email protected] Fix verified input integration test without breaking the rest of the devicelab tests (attempt 5) (flutter/flutter#178093)
2025-11-06 [email protected] Roll Dart SDK to 3.11.0-93.1.beta (flutter/flutter#177988)
2025-11-06 [email protected] Hide SwiftPM warnings on non-mac platforms (flutter/flutter#178073)
2025-11-06 [email protected] Roll Skia from 5c4e1352128f to 68bdfbf5f80a (2 revisions) (flutter/flutter#178107)
2025-11-06 [email protected] Update .ci.yaml in flutter/flutter to use 15.5 (flutter/flutter#177939)
2025-11-06 [email protected] Update all uses of mutable SkPath methods to use SkPathBuilder (flutter/flutter#177738)

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IvoneDjaja pushed a commit to IvoneDjaja/flutter that referenced this pull request Nov 22, 2025
…er#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.
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IvoneDjaja pushed a commit to IvoneDjaja/flutter that referenced this pull request Nov 22, 2025
…er (flutter#177738)" (flutter#178125)

<!-- start_original_pr_link -->
Reverts: 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.
- [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
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- [ ] All existing and new tests are passing.

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Co-authored-by: auto-submit[bot] <[email protected]>
IvoneDjaja pushed a commit to IvoneDjaja/flutter that referenced this pull request Nov 22, 2025
…r" (flutter#178142)

This is a reland of flutter#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 <[email protected]>
reidbaker pushed a commit to AbdeMohlbi/flutter that referenced this pull request Dec 10, 2025
…er#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
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- [x] I followed the [breaking change policy] and added [Data Driven
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reidbaker pushed a commit to AbdeMohlbi/flutter that referenced this pull request Dec 10, 2025
…er (flutter#177738)" (flutter#178125)

<!-- start_original_pr_link -->
Reverts: flutter#177738
<!-- end_original_pr_link -->
<!-- start_initiating_author -->
Initiated by: chingjun
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<!-- start_revert_reason -->
Reason for reverting: Broke internal tests. Some shapes are not drawn.
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Original PR Author: kjlubick
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Reviewed By: {jason-simmons}
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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.

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Co-authored-by: auto-submit[bot] <[email protected]>
reidbaker pushed a commit to AbdeMohlbi/flutter that referenced this pull request Dec 10, 2025
…r" (flutter#178142)

This is a reland of flutter#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 <[email protected]>
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