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tint: Implement uniformity analaysis

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This implements the uniformity analysis as currently described in the
WGSL specification. Uniformity issues are presented as warnings, and
will be switched to errors in a future release.

A follow-up patch will improve the error messages, which currently
just show the point at which a uniformity was detected.

In a future release, once we have obtained initial feedback from
users, uniformity issues will become errors.

Bug: tint:880
Change-Id: I7d0b3080932c786c5d50b55720fec6d19f00d356
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/88368
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Alan Baker <alanbaker@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
This commit is contained in:
James Price
2022-05-11 22:05:15 +00:00
parent 3683c46b57
commit be656f7984
41 changed files with 7423 additions and 0 deletions
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7
docs/tint/origin-trial-changes.md
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# Tint changes during Origin Trial
## Changes for M103
### New features
* Produce warnings for when calling barriers, textureSample, and derivative
builtins in non-uniform control flow [tint:880](crbug.com/tint/880)
## Changes for M102
### New Features