Move GrResourceKey static functions from .h to .cpp to fix shared lib builds

include/gpu/GrResourceKey.h

 
 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrResourceKey_DEFINED
 #define GrResourceKey_DEFINED
 
 #include "GrTypes.h"
 #include "GrBinHashKey.h"
 
 class GrResourceKey {
 public:
-    static GrCacheID::Domain ScratchDomain() {
-        static const GrCacheID::Domain gDomain = GrCacheID::GenerateDomain();
-        return gDomain;
-    }
+    static GrCacheID::Domain ScratchDomain();
 
     /** Uniquely identifies the GrGpuResource subclass in the key to avoid collisions
         across resource types. */
     typedef uint8_t ResourceType;
 
     /** Flags set by the GrGpuResource subclass. */
     typedef uint8_t ResourceFlags;
 
     /** Generate a unique ResourceType */
     static ResourceType GenerateResourceType();
@@ skipping 25 matching lines @@
     }
 
     ResourceFlags getResourceFlags() const {
         return *reinterpret_cast<const ResourceFlags*>(fKey.getData() +
                                                        kResourceFlagsOffset);
     }
 
     bool operator==(const GrResourceKey& other) const { return fKey == other.fKey; }
 
     // A key indicating that the resource is not usable as a scratch resource.
-    static GrResourceKey& NullScratchKey() {
-        static const GrCacheID::Key kBogusKey = { { {0} } };
-        static GrCacheID kBogusID(ScratchDomain(), kBogusKey);
-        static GrResourceKey kNullScratchKey(kBogusID, NoneResourceType(), 0);
-        return kNullScratchKey;
-    }
+    static GrResourceKey& NullScratchKey();
 
     bool isNullScratch() const {
         return this->isScratch() && NoneResourceType() == this->getResourceType();
     }
 
 private:
     enum {
         kCacheIDKeyOffset = 0,
         kCacheIDDomainOffset = kCacheIDKeyOffset + sizeof(GrCacheID::Key),
         kResourceTypeOffset = kCacheIDDomainOffset + sizeof(GrCacheID::Domain),
         kResourceFlagsOffset = kResourceTypeOffset + sizeof(ResourceType),
         kPadOffset = kResourceFlagsOffset + sizeof(ResourceFlags),
         kKeySize = SkAlign4(kPadOffset),
         kPadSize = kKeySize - kPadOffset
     };
 
-    static ResourceType NoneResourceType() {
-        static const ResourceType gNoneResourceType = GenerateResourceType();
-        return gNoneResourceType;
-    }
+    static ResourceType NoneResourceType();
 
     void init(const GrCacheID::Domain domain,
               const GrCacheID::Key& key,
               ResourceType type,
               ResourceFlags flags) {
         union {
             uint8_t  fKey8[kKeySize];
             uint32_t fKey32[kKeySize / 4];
         } keyData;
 
         uint8_t* k = keyData.fKey8;
         memcpy(k + kCacheIDKeyOffset, key.fData8, sizeof(GrCacheID::Key));
         memcpy(k + kCacheIDDomainOffset, &domain, sizeof(GrCacheID::Domain));
         memcpy(k + kResourceTypeOffset, &type, sizeof(ResourceType));
         memcpy(k + kResourceFlagsOffset, &flags, sizeof(ResourceFlags));
         memset(k + kPadOffset, 0, kPadSize);
         fKey.setKeyData(keyData.fKey32);
     }
     GrBinHashKey<kKeySize> fKey;
 };
 
 #endif