zink: handle null ubos
for drivers that don't support robustness features (nullDescriptor) we can just jam in the dummy buffer here and yolo
Reviewed-by: Erik Faye-Lund erik.faye-lund@collabora.com Part-of: !8202 (merged)
for drivers that don't support robustness features (nullDescriptor) we can just jam in the dummy buffer here and yolo
Reviewed-by: Erik Faye-Lund erik.faye-lund@collabora.com Part-of: !8202 (merged)