Yank ResourceCache out of Caches

Bug: 17947547

Pull the ResourceCache (aka, ref-counting side channel) out of
Caches so that DisplayListRenderer doesn't use Caches, avoiding
the risk of instantiating Caches on the wrong thread or
without a GL context

Change-Id: I7d63b70b3b0a0163308c5dedd6ef255eadebe8fd

1 files changed, 6 insertions, 2 deletions

diff --git a/libs/hwui/ResourceCache.h b/libs/hwui/ResourceCache.h
index 8539d123b09a..a922d53ed816 100644
--- a/libs/hwui/ResourceCache.h
+++ b/libs/hwui/ResourceCache.h
@@ -22,6 +22,7 @@
 #include <SkBitmap.h>
 
 #include <utils/KeyedVector.h>
+#include <utils/Singleton.h>
 
 #include <androidfw/ResourceTypes.h>
 
@@ -53,11 +54,14 @@ public:
     ResourceType resourceType;
 };
 
-class ANDROID_API ResourceCache {
-public:
+class ANDROID_API ResourceCache: public Singleton<ResourceCache> {
     ResourceCache();
     ~ResourceCache();
 
+    friend class Singleton<ResourceCache>;
+
+public:
+
     /**
      * When using these two methods, make sure to only invoke the *Locked()
      * variants of increment/decrementRefcount(), recyle() and destructor()