tree 326cc3a8d7585a3d0496b7c98b43e9957f52f1c5
parent 22e73a5b28586450b51fa0d9a7323843516c7c1b
author Ryan Harrison <rharrison@chromium.org> 1574964755 +0000
committer Commit Bot service account <commit-bot@chromium.org> 1574964755 +0000

Add runtime toggle for using SPVC

This will be used in the future to choose between Dawn directly
accessing spirv-cross, and using spvc to mediate that interation.

This also adds in the spvc library as a dependency. This is what cause
the rollback last time, but that issue should be resolved.

BUG=dawn:281

Change-Id: Ic0b02d136ca05e2fa71844ebc85586b8866d5712
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/14122
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>