Add the SampleRateShading capability if the sampling type is `sample`.
Bug: tint:746
Change-Id: I20fb25913f5c0919b6d16a9d0e9fc8b1551ff7ea
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/56247
Kokoro: Kokoro <noreply+kokoro@google.com>
Auto-Submit: James Price <jrprice@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
Add E2E tests to cover all of the parameter combinations.
Mark the attribute as unimplemented in the other backends.
Bug: tint:746
Change-Id: I86881ff0b224fe93670db42473341ae185eeabdd
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/56244
Kokoro: Kokoro <noreply+kokoro@google.com>
Auto-Submit: James Price <jrprice@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>