[framework] restore old zoom page transition for benchmarking. #133346
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| // that was too slow to run on the Skia backend. This is being benchmarked on | ||
| // the Impeller backend so that we can improve performance enough to restore | ||
| // the default behavior. | ||
| class _ZoomPageTransitionNoCache extends StatelessWidget { |
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Is this class needed? Reading the code it looks like the existing class should work so long as you specify allowSnapshotting to be false?
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The old implementation uses an ImageFilter.matrix to scale the individual pages without causing text relayout/snapping. The fallback uses a transform layer because its designed to work well if we can't apply an ImageFilter to content, which is common with platform views on iOS/Web.
johnmccutchan
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Oct 10, 2023
goderbauer
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Oct 10, 2023
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nit: remove one of the extra blank lines?
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In the past I switched the implementation of the zoom page transition because the performance of the old transition was terrible, but I'm hopeful that with Impeller we'll be able to identify and fix the issues that made it so slow. In order to evaluate this though, we need to be able to opt into the old transition for benchmarks on CI.
#129742
#121325