The incoming IOSurface can't reliably be used for bounds calculation. It first has to be turned into a MTLSharedTexture.
<rdar://problem/101195746>
Pull request: https://github.com/WebKit/WebKit/pull/5407
Committed 255595@main (82a8c10638a4): <https://commits.webkit.org/255595@main> Reviewed commits have been landed. Closing PR #5407 and removing active labels.