Create a hashing key on all samplers so we can just copy that anywhere
we need it. That key already contains the needed parameters for
embedded samplers, so the sha1 stuff can go away.
Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Ivan Briano <ivan.briano@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/35955>
(cherry picked from commit 98bc185376)
48b38a86f0