2 files changed, 4 insertions, 0 deletions
diff --git a/src/core/SkPicturePlayback.cpp b/src/core/SkPicturePlayback.cpp
index f488565..c73e21c 100644
--- a/src/core/SkPicturePlayback.cpp
+++ b/src/core/SkPicturePlayback.cpp
@@ -528,6 +528,8 @@ void SkPicturePlayback::draw(SkCanvas& canvas) {
     SkipClipRec skipRect, skipRegion, skipPath;
 #endif
 
+    SkAutoMutexAcquire autoMutex(fDrawMutex);
+
     TextContainer text;
     fReader.rewind();
 
diff --git a/src/core/SkPicturePlayback.h b/src/core/SkPicturePlayback.h
index ae9641a..f5bf038 100644
--- a/src/core/SkPicturePlayback.h
+++ b/src/core/SkPicturePlayback.h
@@ -12,6 +12,7 @@
 #include "SkRegion.h"
 #include "SkPictureFlat.h"
 #include "SkShape.h"
+#include "SkThread.h"
 
 class SkPictureRecord;
 class SkStream;
@@ -172,6 +173,7 @@ private:
     SkRefCntPlayback fRCPlayback;
     SkTypefacePlayback fTFPlayback;
     SkFactoryPlayback*   fFactoryPlayback;
+    SkMutex fDrawMutex;
 };
 
 #endif