gaaclarke ec74b5fbef [Impeller] new blur: round downsample to power of two (flutter/engine#50245) ...

This makes the downsampling step of the new blur round to the nearest power of 2.  This makes the changes in downsampling less frequent and the output of downsampling hypothetically higher quality since downsampling by a power of 2 is easier.

issue: https://github.com/flutter/flutter/issues/141510

## before
https://github.com/flutter/engine/assets/30870216/73e78f02-1346-4dde-ad6e-8aaa7c910bac

## after
https://github.com/flutter/engine/assets/30870216/b4153ada-6a82-4d0a-a4c2-158134c7b74f

[C++, Objective-C, Java style guides]: https://github.com/flutter/engine/blob/main/CONTRIBUTING.md#style

2024-02-01 19:12:43 +00:00

engine/src/flutter

[Impeller] new blur: round downsample to power of two (flutter/engine#50245)

2024-02-01 19:12:43 +00:00

DEPS

Roll Skia from 2386d5077ec5 to cdf214adfb4d (2 revisions) (flutter/engine#50239)

2024-02-01 16:37:21 +00:00

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