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Remove SK_USE_LEGACY_BLUR_RASTER staging flag #56618
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Also updates the image_filter_test.dart expected color values for a blur unit test. The legacy blur algorithm would a) treat very small blur sigmas as the identity even though the effect was still perceptible and b) was very inaccurate for sigmas < 2. The unit test used a sigma of 1.0 so fell within the inaccurate range but the expected values appear to have been taken directly from the original Skia output. This updates them to match the output of the new algorithm (which is also more consistent between CPU and GPU).
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auto label is removed for flutter/engine/56618, due to This PR has not met approval requirements for merging. The PR author is not a member of flutter-hackers and needs 1 more review(s) in order to merge this PR.
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…159124) flutter/engine@c1b0e18...983b7b8 2024-11-19 [email protected] Remove SK_USE_LEGACY_BLUR_RASTER staging flag (flutter/engine#56618) 2024-11-19 [email protected] Roll Skia from 492e8347d7a4 to 8d652f142911 (1 revision) (flutter/engine#56693) If this roll has caused a breakage, revert this CL and stop the roller using the controls here: https://autoroll.skia.org/r/flutter-engine-flutter-autoroll Please CC [email protected],[email protected] 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
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Also updates the image_filter_test.dart expected color values for a blur unit test. The legacy blur algorithm would a) treat very small blur sigmas as the identity even though the effect was still perceptible and b) was very inaccurate for sigmas < 2. The unit test used a sigma of 1.0 so fell within the inaccurate range but the expected values appear to have been taken directly from the original Skia output. This updates them to match the output of the new algorithm (which is also more consistent between CPU and GPU). [C++, Objective-C, Java style guides]: https://github.com/flutter/engine/blob/main/CONTRIBUTING.md#style
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Also updates the image_filter_test.dart expected color values for a blur unit test. The legacy blur algorithm would a) treat very small blur sigmas as the identity even though the effect was still perceptible and b) was very inaccurate for sigmas < 2. The unit test used a sigma of 1.0 so fell within the inaccurate range but the expected values appear to have been taken directly from the original Skia output. This updates them to match the output of the new algorithm (which is also more consistent between CPU and GPU).
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