util: Helper to create sets and hashes with pointer keys

[mesa.git] / src / util / set.h

diff --git a/src/util/set.h b/src/util/set.h
index 206d0c4d24f7016444341db914c1fbf8a0e0e55c..307a2e46765a7ba92bbd29ac683881ca58b5aca3 100644 (file)
--- a/src/util/set.h
+++ b/src/util/set.h
@@ -43,6 +43,7 @@ struct set_entry {
 struct set {
    void *mem_ctx;
    struct set_entry *table;
+   uint32_t (*key_hash_function)(const void *key);
    bool (*key_equals_function)(const void *a, const void *b);
    uint32_t size;
    uint32_t rehash;
@@ -54,21 +55,34 @@ struct set {
 
 struct set *
 _mesa_set_create(void *mem_ctx,
+                 uint32_t (*key_hash_function)(const void *key),
                  bool (*key_equals_function)(const void *a,
                                              const void *b));
+struct set *
+_mesa_set_clone(struct set *set, void *dst_mem_ctx);
+
 void
 _mesa_set_destroy(struct set *set,
                   void (*delete_function)(struct set_entry *entry));
+void
+_mesa_set_clear(struct set *set,
+                void (*delete_function)(struct set_entry *entry));
 
 struct set_entry *
-_mesa_set_add(struct set *set, uint32_t hash, const void *key);
+_mesa_set_add(struct set *set, const void *key);
+struct set_entry *
+_mesa_set_add_pre_hashed(struct set *set, uint32_t hash, const void *key);
 
 struct set_entry *
-_mesa_set_search(const struct set *set, uint32_t hash,
-                 const void *key);
+_mesa_set_search(const struct set *set, const void *key);
+struct set_entry *
+_mesa_set_search_pre_hashed(const struct set *set, uint32_t hash,
+                            const void *key);
 
 void
 _mesa_set_remove(struct set *set, struct set_entry *entry);
+void
+_mesa_set_remove_key(struct set *set, const void *key);
 
 struct set_entry *
 _mesa_set_next_entry(const struct set *set, struct set_entry *entry);
@@ -77,14 +91,17 @@ struct set_entry *
 _mesa_set_random_entry(struct set *set,
                        int (*predicate)(struct set_entry *entry));
 
+struct set *
+_mesa_pointer_set_create(void *mem_ctx);
+
 /**
  * This foreach function is safe against deletion, but not against
  * insertion (which may rehash the set, making entry a dangling
  * pointer).
  */
-#define set_foreach(set, entry)                          \
-   for (entry = _mesa_set_next_entry(set, NULL);  \
-        entry != NULL;                                   \
+#define set_foreach(set, entry)                                     \
+   for (struct set_entry *entry = _mesa_set_next_entry(set, NULL);  \
+        entry != NULL;                                              \
         entry = _mesa_set_next_entry(set, entry))
 
 #ifdef __cplusplus