The client knows the size of texture and can use that instead of retrieving it from the MTLTexture.
<rdar://problem/122857763>
Pull request: https://github.com/WebKit/WebKit/pull/24328
Committed 274682@main (cf4012b2fc39): <https://commits.webkit.org/274682@main> Reviewed commits have been landed. Closing PR #24328 and removing active labels.