From 3c1225bee4d9ea0963acf47fc5df080b2d5b26b2 Mon Sep 17 00:00:00 2001
From: "mike@reedtribe.org"
 <mike@reedtribe.org@2bbb7eff-a529-9590-31e7-b0007b416f81>
Date: Sat, 9 Apr 2011 18:54:08 +0000
Subject: [PATCH] fast return if no part of the paint gets replaced

git-svn-id: http://skia.googlecode.com/svn/trunk@1088 2bbb7eff-a529-9590-31e7-b0007b416f81
---
 src/effects/SkLayerDrawLooper.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/effects/SkLayerDrawLooper.cpp b/src/effects/SkLayerDrawLooper.cpp
index ee0fc98..db64133 100644
--- a/src/effects/SkLayerDrawLooper.cpp
+++ b/src/effects/SkLayerDrawLooper.cpp
@@ -35,6 +35,9 @@ void SkLayerDrawLooper::init(SkCanvas* canvas) {
 
 void SkLayerDrawLooper::ApplyBits(SkPaint* dst, const SkPaint& src,
                                   BitFlags bits) {
+    if (0 == bits) {
+        return;
+    }
     if (kEntirePaint_Bits == bits) {
         *dst = src;
         return;
-- 
2.7.4