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      1 /*
      2  * Copyright 2017 Google Inc.
      3  *
      4  * Use of this source code is governed by a BSD-style license that can be
      5  * found in the LICENSE file.
      6  */
      7 
      8 #include "Benchmark.h"
      9 
     10 #include "GrPathUtils.h"
     11 #include "SkGeometry.h"
     12 
     13 class CubicKLMBench : public Benchmark {
     14 public:
     15     CubicKLMBench(SkScalar x0, SkScalar y0, SkScalar x1, SkScalar y1,
     16                   SkScalar x2, SkScalar y2, SkScalar x3, SkScalar y3)  {
     17         fPoints[0].set(x0, y0);
     18         fPoints[1].set(x1, y1);
     19         fPoints[2].set(x2, y2);
     20         fPoints[3].set(x3, y3);
     21 
     22         fName = "cubic_klm_";
     23         switch (SkClassifyCubic(fPoints)) {
     24             case SkCubicType::kSerpentine:
     25                 fName.append("serp");
     26                 break;
     27             case SkCubicType::kLoop:
     28                 fName.append("loop");
     29                 break;
     30             default:
     31                 SK_ABORT("Unexpected cubic type");
     32                 break;
     33         }
     34     }
     35 
     36     bool isSuitableFor(Backend backend) override {
     37         return backend == kNonRendering_Backend;
     38     }
     39 
     40     const char* onGetName() override {
     41         return fName.c_str();
     42     }
     43 
     44     void onDraw(int loops, SkCanvas*) override {
     45         SkPoint dst[10];
     46         SkMatrix klm;
     47         int loopIdx;
     48         for (int i = 0; i < loops * 50000; ++i) {
     49             GrPathUtils::chopCubicAtLoopIntersection(fPoints, dst, &klm, &loopIdx);
     50         }
     51     }
     52 
     53 private:
     54     SkPoint     fPoints[4];
     55     SkString    fName;
     56 
     57     typedef Benchmark INHERITED;
     58 };
     59 
     60 DEF_BENCH( return new CubicKLMBench(285.625f, 499.687f, 411.625f, 808.188f,
     61                                     1064.62f, 135.688f, 1042.63f, 585.187f); )
     62 DEF_BENCH( return new CubicKLMBench(635.625f, 614.687f, 171.625f, 236.188f,
     63                                     1064.62f, 135.688f, 516.625f, 570.187f); )
     64