It seems nobody's using the string hashing function. If you try to
pass it directly to the hashtable creation function, you'll get
compiler warning for non matching prototypes. Let's make them match.
Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Add uintptr_t cast to fix 'cast to pointer from integer of different size'
warning on 32bit build (build error on Android M).
Signed-off-by: Tapani Pälli <tapani.palli@intel.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Needed for bindless handles which are represented using
64-bit unsigned integers. All hash table implementations should
be uniformized later on.
Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
The equivalent of the last patch for the hash table. I'm not aware of
any issues this fixes.
v2:
- use entry_is_deleted (Timothy)
Reviewed-by: Timothy Arceri <timothy.arceri@collabora.com>
Signed-off-by: Connor Abbott <cwabbott0@gmail.com>
Previously, the hash_table_insert function would bail early if it found a
deleted slot that it could re-use. However, this is a problem if the key
being inserted is already in the hash table but further down the list. If
this happens, the element ends up getting inserted in the hash table twice.
This commit makes it so that we walk over all of the possible entries for
the given key and then, if we don't find the key, place it in the available
free entry we found.
Reviewed-by: Eric Anholt <eric@anholt.net>
We already have search_pre_hashed. This makes the APIs match better.
Reviewed-by: Matt Turner <mattst88@gmail.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Previously, the hash_table API required the user to do all of the hashing
of keys as it passed them in. Since the hashing function is intrinsically
tied to the comparison function, it makes sense for the hash table to know
about it. Also, it makes for a somewhat clumsy API as the user is
constantly calling hashing functions many of which have long names. This
is especially bad when the standard call looks something like
_mesa_hash_table_insert(ht, _mesa_pointer_hash(key), key, data);
In the above case, there is no reason why the hash table shouldn't do the
hashing for you. We leave the option for you to do your own hashing if
it's more efficient, but it's no longer needed. Also, if you do do your
own hashing, the hash table will assert that your hash matches what it
expects out of the hashing function. This should make it harder to mess up
your hashing.
v2: change to call the old entrypoint "pre_hashed" rather than
"with_hash", like cworth's equivalent change upstream (change by
anholt, acked-in-general by Jason).
Signed-off-by: Jason Ekstrand <jason.ekstrand@intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Eric Anholt <eric@anholt.net>
This gathers macros that have been included across components into util so
that the include chain can be more vertical. In particular, this makes
util stand on its own without any dependence whatsoever on the rest of
mesa.
Signed-off-by: "Jason Ekstrand" <jason.ekstrand@intel.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
This hash table is used in core Mesa, the GLSL compiler, and the i965
driver, which makes it a good candidate for the new src/util module.
It's much faster than program/hash_table.[ch] (see commit 6991c2922f
for data), and José's u_hash_table.c has a comment saying Gallium should
probably consider switching to a linear probing hash table at some point.
So this seems like the best candidate for a shared data structure.
Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
v2 (Jason Ekstrand): Pick up another hash_table use and patch up scons
Signed-off-by: Jason Ekstrand <jason.ekstrand@intel.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
