Cap memory usage in path_create bench.

bench/PathBench.cpp

 
 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #include "SkBenchmark.h"
 #include "SkBitmap.h"
 #include "SkCanvas.h"
@@ skipping 309 matching lines @@
     PathCreateBench()  {
     }
 
 protected:
     virtual const char* onGetName() SK_OVERRIDE {
         return "path_create";
     }
 
     virtual void onPreDraw() SK_OVERRIDE {
         this->createData(10, 100);
-        fPaths.reset(kPathCnt);
     }
 
     virtual void onDraw(const int loops, SkCanvas*) SK_OVERRIDE {
         for (int i = 0; i < loops; ++i) {
-            this->makePath(&fPaths[i & (kPathCnt - 1)]);
+            if (i % 1000 == 0) {
+                fPath.reset();  // PathRef memory can grow without bound otherwise.
+            }
+            this->makePath(&fPath);
         }
         this->restartMakingPaths();
     }
 
     virtual void onPostDraw() SK_OVERRIDE {
         this->finishedMakingPaths();
-        fPaths.reset(0);
     }
 
 private:
-    enum {
-        // must be a pow 2
-        kPathCnt = 1 << 5,
-    };
-    SkAutoTArray<SkPath> fPaths;
+    SkPath fPath;
 
     typedef RandomPathBench INHERITED;
 };
 
 class PathCopyBench : public RandomPathBench {
 public:
     PathCopyBench()  {
     }
 
 protected:
@@ skipping 679 matching lines @@
 DEF_BENCH( return new ArbRoundRectBench(true); )
 DEF_BENCH( return new ConservativelyContainsBench(ConservativelyContainsBench::kRect_Type); )
 DEF_BENCH( return new ConservativelyContainsBench(ConservativelyContainsBench::kRoundRect_Type); )
 DEF_BENCH( return new ConservativelyContainsBench(ConservativelyContainsBench::kOval_Type); )
 
 DEF_BENCH( return new ConicBench_Chop5() )
 DEF_BENCH( return new ConicBench_ChopHalf() )
 DEF_BENCH( return new ConicBench_ComputeError() )
 DEF_BENCH( return new ConicBench_asQuadTol() )
 DEF_BENCH( return new ConicBench_quadPow2() )