François Beaufort f622a44750 Fix support for optional const char*
Optional labels were added to command buffer descriptor and compute pass
descriptor in https://dawn-review.googlesource.com/c/dawn/+/11601.
Sadly, the wire was not updated. This CL fixes support for optional
const char*.

Bug: dawn:22
Change-Id: I23211456f5e3d5f3c0344d8b8cc604bab20015f6
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/11660
Commit-Queue: Austin Eng <enga@chromium.org>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Austin Eng <enga@chromium.org>
2019-09-27 21:25:43 +00:00
..