SkChopCubicAt2 using Sk2s-- 2x faster

bench/GeometryBench.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "Benchmark.h"
 #include "SkGeometry.h"
 #include "SkRandom.h"
@@ skipping 116 matching lines @@
 DEF_BENCH( return new GeoRectBench_intersect; )
 DEF_BENCH( return new GeoRectBench_intersect_rect; )
 DEF_BENCH( return new GeoRectBench_Intersects; )
 
 DEF_BENCH( return new GeoRectBench_sort; )
 
 ///////////////////////////////////////////////////////////////////////////////////////////////////
 
 class QuadBenchBase : public GeometryBench {
 protected:
-    SkPoint fPts[3];
+    SkPoint fPts[4];
 public:
     QuadBenchBase(const char name[]) : GeometryBench(name) {
         SkRandom rand;
-        for (int i = 0; i < 3; ++i) {
+        for (int i = 0; i < 4; ++i) {
             fPts[i].set(rand.nextUScalar1(), rand.nextUScalar1());
         }
     }
 };
 
 class EvalQuadAt0 : public QuadBenchBase {
 public:
     EvalQuadAt0() : QuadBenchBase("evalquadat0") {}
 protected:
     void onDraw(const int loops, SkCanvas* canvas) SK_OVERRIDE {
@@ skipping 85 matching lines @@
         for (int outer = 0; outer < loops; ++outer) {
             SkChopQuadAt2(fPts, dst, 0.5f);
             SkChopQuadAt2(fPts, dst, 0.5f);
             SkChopQuadAt2(fPts, dst, 0.5f);
             SkChopQuadAt2(fPts, dst, 0.5f);
         }
     }
 };
 DEF_BENCH( return new ChopQuadAt1; )
 
+class ChopCubicAt0 : public QuadBenchBase {
+public:
+    ChopCubicAt0() : QuadBenchBase("chopcubicat0") {}
+protected:
+    void onDraw(const int loops, SkCanvas* canvas) SK_OVERRIDE {
+        SkPoint dst[7];
+        for (int outer = 0; outer < loops; ++outer) {
+            SkChopCubicAt(fPts, dst, 0.5f);
+            SkChopCubicAt(fPts, dst, 0.5f);
+            SkChopCubicAt(fPts, dst, 0.5f);
+            SkChopCubicAt(fPts, dst, 0.5f);
+        }
+    }
+};
+DEF_BENCH( return new ChopCubicAt0; )
+
+class ChopCubicAt1 : public QuadBenchBase {
+public:
+    ChopCubicAt1() : QuadBenchBase("chopcubicat1") {}
+protected:
+    void onDraw(const int loops, SkCanvas* canvas) SK_OVERRIDE {
+        SkPoint dst[7];
+        for (int outer = 0; outer < loops; ++outer) {
+            SkChopCubicAt2(fPts, dst, 0.5f);
+            SkChopCubicAt2(fPts, dst, 0.5f);
+            SkChopCubicAt2(fPts, dst, 0.5f);
+            SkChopCubicAt2(fPts, dst, 0.5f);
+        }
+    }
+};
+DEF_BENCH( return new ChopCubicAt1; )
+