mesa: move legacy dri config option round_mode

[android-x86/external-mesa.git] / src / util / set.c

diff --git a/src/util/set.c b/src/util/set.c
index 2c9b093..feef96d 100644 (file)
--- a/src/util/set.c
+++ b/src/util/set.c
@@ -34,6 +34,7 @@
 
 #include <stdlib.h>
 #include <assert.h>
+#include <string.h>
 
 #include "macros.h"
 #include "ralloc.h"
@@ -132,6 +133,28 @@ _mesa_set_create(void *mem_ctx,
    return ht;
 }
 
+struct set *
+_mesa_set_clone(struct set *set, void *dst_mem_ctx)
+{
+   struct set *clone;
+
+   clone = ralloc(dst_mem_ctx, struct set);
+   if (clone == NULL)
+      return NULL;
+
+   memcpy(clone, set, sizeof(struct set));
+
+   clone->table = ralloc_array(clone, struct set_entry, clone->size);
+   if (clone->table == NULL) {
+      ralloc_free(clone);
+      return NULL;
+   }
+
+   memcpy(clone->table, set->table, clone->size * sizeof(struct set_entry));
+
+   return clone;
+}
+
 /**
  * Frees the given set.
  *
@@ -361,6 +384,15 @@ _mesa_set_remove(struct set *ht, struct set_entry *entry)
 }
 
 /**
+ * Removes the entry with the corresponding key, if exists.
+ */
+void
+_mesa_set_remove_key(struct set *set, const void *key)
+{
+   _mesa_set_remove(set, _mesa_set_search(set, key));
+}
+
+/**
  * This function is an iterator over the hash table.
  *
  * Pass in NULL for the first entry, as in the start of a for loop.  Note that