Improve caching of dashed paths in GrStencilAndCoverPathRenderer

src/gpu/GrPath.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 GrPath_DEFINED
 #define GrPath_DEFINED
 
 #include "GrGpuResource.h"
+#include "GrStrokeInfo.h"
 #include "SkPath.h"
 #include "SkRect.h"
-#include "SkStrokeRec.h"
 
 class GrPath : public GrGpuResource {
 public:
     SK_DECLARE_INST_COUNT(GrPath);
 
     /**
      * Initialize to a path with a fixed stroke. Stroke must not be hairline.
      */
-    GrPath(GrGpu* gpu, const SkPath& skPath, const SkStrokeRec& stroke)
-        : INHERITED(gpu, kCached_LifeCycle),
-          fSkPath(skPath),
-          fStroke(stroke),
-          fBounds(skPath.getBounds()) {
+    GrPath(GrGpu* gpu, const SkPath& skPath, const GrStrokeInfo& stroke)
+        : INHERITED(gpu, kCached_LifeCycle)
+        , fBounds(skPath.getBounds())
+#ifdef SK_DEBUG
+        , fSkPath(skPath)
+        , fStroke(stroke)
+#endif
+    {
     }
 
-    static void ComputeKey(const SkPath& path, const SkStrokeRec& stroke, GrUniqueKey* key);
-    static uint64_t ComputeStrokeKey(const SkStrokeRec&);
-
-    bool isEqualTo(const SkPath& path, const SkStrokeRec& stroke) {
-        return fSkPath == path && fStroke.hasEqualEffect(stroke);
-    }
+    static void ComputeKey(const SkPath& path, const GrStrokeInfo& stroke, GrUniqueKey* key);
 
     const SkRect& getBounds() const { return fBounds; }
 
-    const SkStrokeRec& getStroke() const { return fStroke; }
+#ifdef SK_DEBUG
+    bool isEqualTo(const SkPath& path, const GrStrokeInfo& stroke) {
+        return fSkPath == path && fStroke.hasEqualEffect(stroke);
+    }
+#endif
 
 protected:
+    SkRect fBounds;
+#ifdef SK_DEBUG
     SkPath fSkPath;
-    SkStrokeRec fStroke;
-    SkRect fBounds;
+    GrStrokeInfo fStroke;
+#endif
 
 private:
     typedef GrGpuResource INHERITED;
 };
 
 #endif