Booleans and structs/interface blocks that transitively contain a
boolean member are no longer allowed to be used as a uniform. This is
because SPIR-V and WGSL currently disallow OpTypeBool in host-shareable
storage classes.
Change-Id: I10315c7f261ff10a07636265968a91d9c421da55
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/542776
Reviewed-by: Brian Osman <brianosman@google.com>
Reviewed-by: John Stiles <johnstiles@google.com>
Commit-Queue: Arman Uguray <armansito@google.com>