James Price 6176c85be8 tint: Preserve padding in matrices with three rows
The PreservePadding transform now decomposes writes to matrices with
three rows into separate column vector writes, to avoid modifying
padding between columns.

Bug: tint:1571
Change-Id: If575f79bb87f52810783fd3338e2f3ce3228ab2e
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/121600
Auto-Submit: James Price <jrprice@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
Commit-Queue: James Price <jrprice@google.com>
2023-02-27 16:06:54 +00:00
..
2022-12-17 02:20:04 +00:00
2022-12-15 16:42:28 +00:00
2023-01-24 14:55:17 +00:00
2023-01-24 14:55:17 +00:00
2023-01-24 14:55:17 +00:00
2022-04-07 18:26:45 +00:00