liyuqian 6a320ce6ae Throttle picture raster cache (flutter/engine#7759)
This decreases worst_frame_rasterizer_time_millis from 30ms to 10ms when
we enabled picture raster cache in tiles_scroll (i.e., lower the
threshold from 10 to 5).
2019-02-08 17:40:38 -08:00
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Flow

Flow is a simple compositor based on Skia that the Flutter engine uses to cache recoded paint commands and pixels generated from those recordings. Flow runs on the GPU thread and uploads information to the GPU.