5d06b2ac64
Setting the old window coordinate to NaN is more likely to hide the problem in debug builds because the NaN vertices are dropped later in the pipeline, either through explicit NaN checks or implicit line length checks. Reviewed-by: Erik Faye-Lund <erik.faye-lund@collabora.com> Reviewed-by: Roland Scheidegger <roland.scheidegger@broadcom.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/36653>