Purge Skia objects from GL caches as needed.

Change-Id: I754c671cf790ad5ae8bf047ad328034217da4ecc

1 files changed, 5 insertions, 0 deletions

diff --git a/include/utils/Singleton.h b/include/utils/Singleton.h
index 3b975b4c44..e1ee8eb068 100644
--- a/include/utils/Singleton.h
+++ b/include/utils/Singleton.h
@@ -37,6 +37,11 @@ public:
         }
         return *instance;
     }
+
+    static bool hasInstance() {
+        Mutex::Autolock _l(sLock);
+        return sInstance != 0;
+    }
     
 protected:
     ~Singleton() { };