Add size change notifications to GrResourceCache

src/gpu/GrResourceCache.h

Index: src/gpu/GrResourceCache.h
diff --git a/src/gpu/GrResourceCache.h b/src/gpu/GrResourceCache.h
index b2f91cdbdb8c81d75875eed43464604c0255545c..0489d33b83c47ea8026fc91523e9e0ded4e89952 100644
--- a/src/gpu/GrResourceCache.h
+++ b/src/gpu/GrResourceCache.h
@@ -19,6 +19,7 @@
 #include "SkTInternalLList.h"
 
 class GrCacheable;
+class GrResourceCache;
 class GrResourceCacheEntry;
 
 class GrResourceKey {
@@ -128,12 +129,19 @@ public:
     void validate() const {}
 #endif
 

[robertphillips, 2014/04/29 13:46:25]

// Inform the resource cache that this entry's size has changed. Usually invoked
from GrCacheable::didChangeGpuMemorySize, not directly from here.
?

+    void didChangeResourceSize();
+
 private:
-    GrResourceCacheEntry(const GrResourceKey& key, GrCacheable* resource);
+    GrResourceCacheEntry(GrResourceCache* resourceCache,
+                         const GrResourceKey& key,
+                         GrCacheable* resource);
     ~GrResourceCacheEntry();
 
+    GrResourceCache* fResourceCache;
     GrResourceKey    fKey;
     GrCacheable*     fResource;
+    size_t           fCachedSize;
+    bool             fIsExclusive;
 
     // Linked list for the LRU ordering.
     SK_DECLARE_INTERNAL_LLIST_INTERFACE(GrResourceCacheEntry);
@@ -272,6 +280,12 @@ public:
     void makeNonExclusive(GrResourceCacheEntry* entry);
 
     /**
+     * Notify the cache that the size of a resource has changed.
+     */

[robertphillips, 2014/04/29 13:46:25]

amountInc?

+    void didIncreaseResourceSize(const GrResourceCacheEntry*, size_t amount);
+    void didDecreaseResourceSize(const GrResourceCacheEntry*, size_t amount);

[robertphillips, 2014/04/29 13:46:25]

amountDec?

+
+    /**
      * Remove a resource from the cache and delete it!
      */
     void deleteResource(GrResourceCacheEntry* entry);