util/set: add _mesa_set_intersects

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

diff --git a/src/util/set.h b/src/util/set.h
index 06e79e158677b8077bb1658939682fe7fb88494a..2e0a2d66f851450d1dd5a4fee7adf43478538790 100644 (file)
--- a/src/util/set.h
+++ b/src/util/set.h
@@ -47,6 +47,8 @@ struct set {
    bool (*key_equals_function)(const void *a, const void *b);
    uint32_t size;
    uint32_t rehash;
+   uint64_t size_magic;
+   uint64_t rehash_magic;
    uint32_t max_entries;
    uint32_t size_index;
    uint32_t entries;
@@ -58,10 +60,15 @@ _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_resize(struct set *set, uint32_t entries);
+void
 _mesa_set_clear(struct set *set,
                 void (*delete_function)(struct set_entry *entry));
 
@@ -70,14 +77,28 @@ _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_or_add(struct set *set, const void *key);
+struct set_entry *
+_mesa_set_search_or_add_pre_hashed(struct set *set, uint32_t hash,
+                                   const void *key);
+
 struct set_entry *
 _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);
 
+struct set_entry *
+_mesa_set_search_and_add(struct set *set, const void *key, bool *replaced);
+struct set_entry *
+_mesa_set_search_and_add_pre_hashed(struct set *set, uint32_t hash,
+                                    const void *key, bool *replaced);
+
 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);
@@ -86,14 +107,20 @@ 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);
+
+bool
+_mesa_set_intersects(struct set *a, struct set *b);
+
 /**
  * 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