This lets the driver make a more informed decision about which vars to lower to scratch based on the vars available to spill. Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/37245>
This lets the driver make a more informed decision about which vars to lower to scratch based on the vars available to spill. Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/37245>