02e39b737a
When reading from and writing to the same image in a shader the memory_barrier can possibly be handled by emitting an ack-write and then wait for the ack when the memory barrier is set. Not sure whow well this goes with the syncronization across all shader invocations though. Signed-off-by: Gert Wollny <gert.wollny@collabora.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7142>