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When CanvasKit returns null for a ColorFilter, it indicates the ColorFilter is a no-op, not that an error has occurred. This fixes the engine to correctly handle when CanvasKit returns a null ColorFilter.

Fixes flutter/flutter#123537

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@github-actions github-actions bot added the platform-web Code specifically for the web engine label Mar 26, 2024
@harryterkelsen harryterkelsen requested a review from yjbanov March 26, 2024 23:34
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lgtm

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Golden file changes have been found for this pull request. Click here to view and triage (e.g. because this is an intentional change).

If you are still iterating on this change and are not ready to resolve the images on the Flutter Gold dashboard, consider marking this PR as a draft pull request above. You will still be able to view image results on the dashboard, commenting will be silenced, and the check will not try to resolve itself until marked ready for review.

Changes reported for pull request #51693 at sha a116bf6

@harryterkelsen harryterkelsen merged commit 6bb4374 into flutter:main Mar 27, 2024
engine-flutter-autoroll added a commit to engine-flutter-autoroll/flutter that referenced this pull request Mar 27, 2024
engine-flutter-autoroll added a commit to engine-flutter-autoroll/flutter that referenced this pull request Mar 27, 2024
engine-flutter-autoroll added a commit to engine-flutter-autoroll/flutter that referenced this pull request Mar 27, 2024
auto-submit bot pushed a commit to flutter/flutter that referenced this pull request Mar 27, 2024
…145862)

flutter/engine@d656625...73c145c

2024-03-27 98614782+auto-submit[bot]@users.noreply.github.com Reverts "[Impeller] Use the scissor to limit all draws by clip coverage. (#51698)" (flutter/engine#51728)
2024-03-27 [email protected] [Skwasm] Correctly handle paragraphs with empty text. (flutter/engine#51695)
2024-03-27 [email protected] Roll Dart SDK from a600b67424a8 to 291217c1d399 (4 revisions) (flutter/engine#51716)
2024-03-27 98614782+auto-submit[bot]@users.noreply.github.com Reverts "Fail pre-submit if a negative image is encountered as part of `goldctl imgtest add`. (#51685)" (flutter/engine#51718)
2024-03-27 [email protected] [Impeller] Use the scissor to limit all draws by clip coverage. (flutter/engine#51698)
2024-03-27 [email protected] [canvaskit] Fix color filter for dst and dstIn (flutter/engine#51693)
2024-03-27 [email protected] [Impeller] add missing null check. (flutter/engine#51711)
2024-03-27 [email protected] [Impeller] fix remaining Validation errors. (flutter/engine#51692)

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ColorFiltered with BlendMode dst and dstIn not working on web

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