tree fb2270f5f550a318e1184043c4e6ab5046b5bf8b
parent a3651d2fe0737c1522556657eb0dd5539186c839
author Yan, Shaobo <shaobo.yan@intel.com> 1600856906 +0000
committer Commit Bot service account <commit-bot@chromium.org> 1600856906 +0000

Support Noop Copy for B2T, T2B and T2T Copies

In B2T, T2B and T2T copies, copySize has 0 in width, height or depth
will trigger errors in D3D12 backend.

This patch bypass the command record step for noop copy. But all
validation rules still applies to the copy.

BUG=dawn:255

Change-Id: I4d01cef2e3c1f78440014c2c6ac63a48310d99af
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/28521
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>