[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [52201] trunk/blender/source/blender/ blenlib/intern/pbvh.c: Fix #33171: Sculpt lag in recent builds

[Sergey Sharybin]

Revision: 52201
          http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=52201
Author:   nazgul
Date:     2012-11-14 08:05:40 +0000 (Wed, 14 Nov 2012)
Log Message:
-----------
Fix #33171: Sculpt lag in recent builds

Issue was caused by own previous change in PBVH which in this case
lead to unneeded draw buffers rebuilding.

Modified Paths:
--------------
    trunk/blender/source/blender/blenlib/intern/pbvh.c

Modified: trunk/blender/source/blender/blenlib/intern/pbvh.c
===================================================================
--- trunk/blender/source/blender/blenlib/intern/pbvh.c	2012-11-14 06:13:42 UTC (rev 52200)
+++ trunk/blender/source/blender/blenlib/intern/pbvh.c	2012-11-14 08:05:40 UTC (rev 52201)
@@ -1715,11 +1715,14 @@
 	bvh->grids = grids;
 	bvh->gridadj = gridadj;
 	bvh->gridfaces = gridfaces;
-	bvh->grid_flag_mats = flagmats;
-	bvh->grid_hidden = grid_hidden;
 
-	for (a = 0; a < bvh->totnode; ++a)
-		BLI_pbvh_node_mark_rebuild_draw(&bvh->nodes[a]);
+	if (flagmats != bvh->grid_flag_mats || bvh->grid_hidden != grid_hidden) {
+		bvh->grid_flag_mats = flagmats;
+		bvh->grid_hidden = grid_hidden;
+
+		for (a = 0; a < bvh->totnode; ++a)
+			BLI_pbvh_node_mark_rebuild_draw(&bvh->nodes[a]);
+	}
 }
 
 float (*BLI_pbvh_get_vertCos(PBVH * pbvh))[3]