BLI_bitmap: add allocation from a MemArena.

2014-11-25 21:09:13 +01:00
parent 3b9517946a
commit f1ea1da5e5
1 changed files with 5 additions and 0 deletions
@@ -59,6 +59,11 @@ typedef unsigned int BLI_bitmap;
 #define BLI_BITMAP_NEW_ALLOCA(_tot) \
 	((BLI_bitmap *)memset(alloca(BLI_BITMAP_SIZE(_tot)), 0, BLI_BITMAP_SIZE(_tot)))

+/* Allocate using given MemArena */
+#define BLI_BITMAP_NEW_MEMARENA(_mem, _tot) \
+	(CHECK_TYPE_INLINE(_mem, MemArena *), \
+	 ((BLI_bitmap *)BLI_memarena_calloc(_mem, BLI_BITMAP_SIZE(_tot))))
+
 /* get the value of a single bit at '_index' */
 #define BLI_BITMAP_TEST(_bitmap, _index) \
 	(CHECK_TYPE_INLINE(_bitmap, BLI_bitmap *), \