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Jonah Williams d3235504c1 [Impeller] use BufferSubData to update gles device buffer. (flutter/engine#55330) 
Measures as substantially faster on windows. See the bufferSubData docs:

> When replacing the entire data store, consider using glBufferSubData rather than completely recreating the data store with glBufferData. This avoids the cost of reallocating the data store.

Tracks invalidated ranges and only updates those ranges using the Flush API.

Fixes https://github.com/flutter/flutter/issues/104447
2024-09-23 18:40:08 +00:00
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src/flutter
[Impeller] use BufferSubData to update gles device buffer. (flutter/engine#55330)
2024-09-23 18:40:08 +00:00