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liyuqian authored
The update is copied from an update we made to a Google-internal client: cl/260202900 The update will save 1 shader compilation. This should help solve our regression: https://github.com/flutter/flutter/issues/31203 More regressions on iOS might be introduced later by https://github.com/flutter/engine/pull/9813#issuecomment-520039890 Unfortunately, we didn't rebase our benchmarks so such regressions were not detected. Hence to fully solve https://github.com/flutter/flutter/issues/31203, we might need to revert some change in https://github.com/flutter/engine/pull/9813 to make iOS shader warm-up happen on the GPU thread again.
