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Reland "[canvaskit] Further improve overlay optimization by splitting pictures" #55464
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…tion by …" This reverts commit 8b5b3be.
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…155799) flutter/engine@5351777...e57b440 2024-09-26 [email protected] Reland "[canvaskit] Further improve overlay optimization by splitting pictures" (flutter/engine#55464) 2024-09-26 [email protected] [Impeller] remove entity pass and re-combine canvas implementations. (flutter/engine#55019) 2024-09-26 [email protected] Roll Skia from e986bd33fb33 to 9ebb7c3640a1 (3 revisions) (flutter/engine#55466) 2024-09-26 [email protected] Roll Skia from 5f6ea5ff8401 to e986bd33fb33 (1 revision) (flutter/engine#55465) 2024-09-26 [email protected] Remove and inline dependencies on `build_root` for a constant. (flutter/engine#55441) 2024-09-26 98614782+auto-submit[bot]@users.noreply.github.com Reverts "Reverts "Add `SurfaceProducer#onSurfaceAvailable`, deprecate `onSurfaceCreated`. (#55418)" (#55450)" (flutter/engine#55463) 2024-09-26 [email protected] cipd: add mobileprovision CIPD package (flutter/engine#55449) 2024-09-26 [email protected] Roll Skia from b2c5f640cb44 to 5f6ea5ff8401 (1 revision) (flutter/engine#55462) 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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This enhances the overlay optimization by delaying combining pictures to get tighter bounds for the pictures that make up the scene, enabling more sophisticated optimization since we can determine if they intersect with platform views on a per-picture basis.
Fixes flutter/flutter#149863
On a Macbook in Chrome in an example app with an infinite scrolling grid of platform views, this brings the ratio of dropped frames from 93% to 55% (roughly 4 fps to 30 fps).
This is a reland of #54878 with a fix for scenes with pictures and shader masks that are eventually entirely clipped out.
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