From dcb1155033b50e89f228c5d4624adac36e3327f9 Mon Sep 17 00:00:00 2001
From: Siana Gearz <siana.sg@live.de>
Date: Sat, 13 Nov 2010 05:27:02 +0100
Subject: [PATCH] Idle update perf fix

---
 indra/newview/llagent.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/indra/newview/llagent.cpp b/indra/newview/llagent.cpp
index 127f0ddb6..121b300ce 100644
--- a/indra/newview/llagent.cpp
+++ b/indra/newview/llagent.cpp
@@ -2145,8 +2145,9 @@ U32 LLAgent::getControlFlags()
 //-----------------------------------------------------------------------------
 void LLAgent::setControlFlags(U32 mask)
 {
+	U32 old_flags = mControlFlags;
 	mControlFlags |= mask;
-	mbFlagsDirty = TRUE;
+	mbFlagsDirty = mControlFlags ^ old_flags;
 }