Speed up GrResourceCache lookup by inlining GrBinHashKey comparisons

src/gpu/effects/GrTextureStripAtlas.h

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrTextureStripAtlas_DEFINED
 #define GrTextureStripAtlas_DEFINED
 
@@ skipping 118 matching lines @@
 #endif
 
     /**
      * Clean up callback registered with GrContext. Allows this class to
      * free up any allocated AtlasEntry and GrTextureStripAtlas objects
      */
     static void CleanUp(const GrContext* context, void* info);
 
     // Hash table entry for atlases
     class AtlasEntry;
-    typedef GrTBinHashKey<AtlasEntry, sizeof(GrTextureStripAtlas::Desc)> AtlasHashKey;
+    class AtlasHashKey : public GrBinHashKey<sizeof(GrTextureStripAtlas::Desc)> {
+    public:
+        static bool Equals(const AtlasEntry& entry, const AtlasHashKey& key);
+        static bool LessThan(const AtlasEntry& entry, const AtlasHashKey& key);
+    };
     class AtlasEntry : public ::SkNoncopyable {
     public:
         AtlasEntry() : fAtlas(NULL) {}
         ~AtlasEntry() { SkDELETE(fAtlas); }
-        int compare(const AtlasHashKey& key) const { return fKey.compare(key); }
         AtlasHashKey fKey;
         GrTextureStripAtlas* fAtlas;
     };
 
     static GrTHashTable<AtlasEntry, AtlasHashKey, 8>* gAtlasCache;
 
     static GrTHashTable<AtlasEntry, AtlasHashKey, 8>* GetCache();
 
     // We increment gCacheCount for each atlas
     static int32_t gCacheCount;
@@ skipping 16 matching lines @@
 
     // Head and tail for linked list of least-recently-used rows (front = least recently used).
     // Note that when a texture is locked, it gets removed from this list until it is unlocked.
     AtlasRow* fLRUFront;
     AtlasRow* fLRUBack;
 
     // A list of pointers to AtlasRows that currently contain cached images, sorted by key
     SkTDArray<AtlasRow*> fKeyTable;
 };
 
+inline bool GrTextureStripAtlas::AtlasHashKey::Equals(const AtlasEntry& entry,
+                                                      const AtlasHashKey& key) {
+    return entry.fKey == key;
+}
+
+inline bool GrTextureStripAtlas::AtlasHashKey::LessThan(const AtlasEntry& entry,
+                                                        const AtlasHashKey& key) {
+    return entry.fKey < key;
+}
+
 #endif