1 /*
2  * Copyright 2020 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 "bench/Benchmark.h"
9 #include "src/gpu/geometry/GrPathUtils.h"
10 
11 class FindCubicConvex180Chops : public Benchmark {
12 public:
FindCubicConvex180Chops(const std::array<SkPoint,4> & pts,const char * suffix)13     FindCubicConvex180Chops(const std::array<SkPoint,4>& pts, const char* suffix) : fPts(pts) {
14         fName.printf("GrPathUtils_findCubicConvex180Chops%s", suffix);
15     }
16 
17 private:
onGetName()18     const char* onGetName() override { return fName.c_str(); }
isSuitableFor(Backend backend)19     bool isSuitableFor(Backend backend) final { return backend == kNonRendering_Backend; }
onDraw(int loops,SkCanvas *)20     void onDraw(int loops, SkCanvas*) final {
21         float T[2] = {0};
22         bool areCusps;
23         int iters = 50000 * loops;
24         for (int i = 0; i < iters; ++i) {
25             int count = GrPathUtils::findCubicConvex180Chops(fPts.data(), T, &areCusps);
26             if (T[0] == 200.7f) {
27                 // This will never happen. Pretend to use the result to keep the compiler honest.
28                 SkDebugf("%i%f%f", count, T[0], T[1]);
29             }
30         }
31     }
32 
33     SkString fName;
34     std::array<SkPoint,4> fPts;
35 };
36 
37 DEF_BENCH(return new FindCubicConvex180Chops({{{0,0}, {100,0}, {50,100}, {100,100}}}, "_inflect1");)
38 DEF_BENCH(return new FindCubicConvex180Chops({{{0,0}, {50,0}, {100,50}, {100,100}}}, "_loop");)
39