Jonah Williams 584a0394aa [Impeller] remove image upload from IO thread, limit concurrent worker threads. (flutter/engine#52423)
Fixes https://github.com/flutter/flutter/issues/123058
Fixes https://github.com/flutter/flutter/issues/135443

We're currently using the IO thread to bottleneck image uploads. Instead, just use fewer concurrent worker threads - and cap the limit at something small. For a Pixel device, this should use about 2 threads maximum, instead of  5 (4 worker and 1 IO).
2024-04-28 17:22:15 +00:00
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