Complex clipPath accounting

include/core/SkPictureAnalyzer.h

 /*
  * Copyright 2016 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkPictureAnalyzer_DEFINED
 #define SkPictureAnalyzer_DEFINED
 
 #include "SkRefCnt.h"
+#include "SkRegion.h"
 #include "SkTypes.h"
 
 #if SK_SUPPORT_GPU
 #include "GrContext.h"
 
+class SkPath;
 class SkPicture;
 
 /** \class SkPictureGpuAnalyzer
 
      Gathers GPU-related statistics for one or more SkPictures.
 */
 class SK_API SkPictureGpuAnalyzer final : public SkNoncopyable {
 public:
     explicit SkPictureGpuAnalyzer(sk_sp<GrContextThreadSafeProxy> = nullptr);
     explicit SkPictureGpuAnalyzer(const sk_sp<SkPicture>& picture,
                                   sk_sp<GrContextThreadSafeProxy> = nullptr);
 
     /**
      *  Process the given picture and accumulate its stats.
      */
-    void analyze(const SkPicture*);
+    void analyzePicture(const SkPicture*);
+
+    // Legacy/transitional alias.
+    void analyze(const SkPicture* picture) { this->analyzePicture(picture); }
+
+    /**
+     *  Process an explicit clipPath op.
+     */
+    void analyzeClipPath(const SkPath&, SkRegion::Op, bool doAntiAlias);
 
     /**
      *  Reset all accumulated stats.
      */
     void reset();
 
     /**
      *  Returns true if the analyzed pictures are suitable for rendering on the GPU.
      */
     bool suitableForGpuRasterization(const char** whyNot = nullptr) const;
 
 private:
     uint32_t fNumSlowPaths;
 
     typedef SkNoncopyable INHERITED;
 };
 
 #endif // SK_SUPPORT_GPU
 
 #endif // SkPictureAnalyzer_DEFINED