xref: /aosp_15_r20/external/skia/bench/FindCubicConvex180ChopsBench.cpp (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1*c8dee2aaSAndroid Build Coastguard Worker /*
2*c8dee2aaSAndroid Build Coastguard Worker  * Copyright 2020 Google Inc.
3*c8dee2aaSAndroid Build Coastguard Worker  *
4*c8dee2aaSAndroid Build Coastguard Worker  * Use of this source code is governed by a BSD-style license that can be
5*c8dee2aaSAndroid Build Coastguard Worker  * found in the LICENSE file.
6*c8dee2aaSAndroid Build Coastguard Worker  */
7*c8dee2aaSAndroid Build Coastguard Worker 
8*c8dee2aaSAndroid Build Coastguard Worker #include "bench/Benchmark.h"
9*c8dee2aaSAndroid Build Coastguard Worker #include "src/gpu/tessellate/Tessellation.h"
10*c8dee2aaSAndroid Build Coastguard Worker 
11*c8dee2aaSAndroid Build Coastguard Worker class FindCubicConvex180ChopsBench : public Benchmark {
12*c8dee2aaSAndroid Build Coastguard Worker public:
FindCubicConvex180ChopsBench(const std::array<SkPoint,4> & pts,const char * suffix)13*c8dee2aaSAndroid Build Coastguard Worker     FindCubicConvex180ChopsBench(const std::array<SkPoint,4>& pts, const char* suffix) : fPts(pts) {
14*c8dee2aaSAndroid Build Coastguard Worker         fName.printf("FindCubicConvex180Chops%s", suffix);
15*c8dee2aaSAndroid Build Coastguard Worker     }
16*c8dee2aaSAndroid Build Coastguard Worker 
17*c8dee2aaSAndroid Build Coastguard Worker private:
onGetName()18*c8dee2aaSAndroid Build Coastguard Worker     const char* onGetName() override { return fName.c_str(); }
isSuitableFor(Backend backend)19*c8dee2aaSAndroid Build Coastguard Worker     bool isSuitableFor(Backend backend) final { return backend == Backend::kNonRendering; }
onDraw(int loops,SkCanvas *)20*c8dee2aaSAndroid Build Coastguard Worker     void onDraw(int loops, SkCanvas*) final {
21*c8dee2aaSAndroid Build Coastguard Worker         float T[2] = {0};
22*c8dee2aaSAndroid Build Coastguard Worker         bool areCusps;
23*c8dee2aaSAndroid Build Coastguard Worker         int iters = 50000 * loops;
24*c8dee2aaSAndroid Build Coastguard Worker         for (int i = 0; i < iters; ++i) {
25*c8dee2aaSAndroid Build Coastguard Worker             int count = skgpu::tess::FindCubicConvex180Chops(fPts.data(), T, &areCusps);
26*c8dee2aaSAndroid Build Coastguard Worker             if (T[0] == 200.7f) {
27*c8dee2aaSAndroid Build Coastguard Worker                 // This will never happen. Pretend to use the result to keep the compiler honest.
28*c8dee2aaSAndroid Build Coastguard Worker                 SkDebugf("%i%f%f", count, T[0], T[1]);
29*c8dee2aaSAndroid Build Coastguard Worker             }
30*c8dee2aaSAndroid Build Coastguard Worker         }
31*c8dee2aaSAndroid Build Coastguard Worker     }
32*c8dee2aaSAndroid Build Coastguard Worker 
33*c8dee2aaSAndroid Build Coastguard Worker     SkString fName;
34*c8dee2aaSAndroid Build Coastguard Worker     std::array<SkPoint,4> fPts;
35*c8dee2aaSAndroid Build Coastguard Worker };
36*c8dee2aaSAndroid Build Coastguard Worker 
37*c8dee2aaSAndroid Build Coastguard Worker DEF_BENCH(return new FindCubicConvex180ChopsBench({{{0,0}, {100,0}, {50,100}, {100,100}}},
38*c8dee2aaSAndroid Build Coastguard Worker                                                   "_inflect1");)
39*c8dee2aaSAndroid Build Coastguard Worker DEF_BENCH(return new FindCubicConvex180ChopsBench({{{0,0}, {50,0}, {100,50}, {100,100}}},
40*c8dee2aaSAndroid Build Coastguard Worker                                                   "_loop");)
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