fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-05-08 15:38:09 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

util: add _mesa_set_create_u32_keys where keys are not pointers

Browse source 
the only limitation is that key=0 is not allowed

Reviewed-by: Timothy Arceri <tarceri@itsqueeze.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6955>
This commit is contained in:
Marek Olšák 2020-09-29 17:29:09 -04:00 • committed by Marge Bot
parent 7f2ea2a433
commit 10a7682413
2 changed files with 23 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

20
src/util/set.c
View file

@ -148,6 +148,26 @@ _mesa_set_create(void *mem_ctx,
return ht; return ht;
} }
static uint32_t
key_u32_hash(const void *key)
{
uint32_t u = (uint32_t)(uintptr_t)key;
return _mesa_hash_uint(&u);
}
static bool
key_u32_equals(const void *a, const void *b)
{
return (uint32_t)(uintptr_t)a == (uint32_t)(uintptr_t)b;
}
/* key == 0 and key == deleted_key are not allowed */
struct set *
_mesa_set_create_u32_keys(void *mem_ctx)
{
return _mesa_set_create(NULL, key_u32_hash, key_u32_equals);
}
struct set * struct set *
_mesa_set_clone(struct set *set, void *dst_mem_ctx) _mesa_set_clone(struct set *set, void *dst_mem_ctx)
{ {

3
src/util/set.h
View file

@ -60,6 +60,9 @@ _mesa_set_create(void *mem_ctx,
uint32_t (*key_hash_function)(const void *key), uint32_t (*key_hash_function)(const void *key),
bool (*key_equals_function)(const void *a, bool (*key_equals_function)(const void *a,
const void *b)); const void *b));
struct set *
_mesa_set_create_u32_keys(void *mem_ctx);
struct set * struct set *
_mesa_set_clone(struct set *set, void *dst_mem_ctx); _mesa_set_clone(struct set *set, void *dst_mem_ctx);