Corentin Wallez c1cce0c57d Buffer: Disallow unmapping when unmapped.
This is to match the upstream WebGPU spec.

Bug: dawn:445

Change-Id: I4246487247fdba8d90a119c1970d6d4df3235835
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/29361
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Stephen White <senorblanco@chromium.org>
Reviewed-by: Austin Eng <enga@chromium.org>
2020-10-07 15:14:03 +00:00
..
2020-04-20 17:36:22 +00:00
2020-07-08 18:50:30 +00:00
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2020-06-17 22:35:19 +00:00
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