Jonah Williams 2b383d3b89 [Impeller] use pixel format in construction of initial PSO objects, set default sample count to 4. (flutter/engine#42972)
Reland of https://github.com/flutter/engine/pull/42902

on iOS the default pixel format can change due to wide gamut + platform views introducing multiple surfaces. Cache the default options used to create all pipelines so that we can guarantee that one can be found.
2023-06-20 17:45:47 +00:00
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