Add a GPU paths to resource cache of the context

include/core/SkPathRef.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 SkPathRef_DEFINED
 #define SkPathRef_DEFINED
@@ skipping 216 matching lines @@
     /**
      * Writes the path points and verbs to a buffer.
      */
     void writeToBuffer(SkWBuffer* buffer);
 
     /**
      * Gets the number of bytes that would be written in writeBuffer()
      */
     uint32_t writeSize();
 
+    uint32_t getHash() const { return static_cast<uint32_t>(this->genID()); }
+
 private:
     enum SerializationOffsets {
         kIsFinite_SerializationShift = 25,  // requires 1 bit
     };
 
     SkPathRef() {
         fBoundsIsDirty = true;    // this also invalidates fIsFinite
         fPointCnt = 0;
         fVerbCnt = 0;
         fVerbs = NULL;
@@ skipping 168 matching lines @@
     enum {
         kEmptyGenID = 1, // GenID reserved for path ref with zero points and zero verbs.
     };
     mutable int32_t     fGenerationID;
     SkDEBUGCODE(int32_t fEditorsAttached;) // assert that only one editor in use at any time.
 
     typedef SkRefCnt INHERITED;
 };
 
 #endif