1 /*
2 * Copyright 2013 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 #include "SkRandom.h"
10 #include "SkRegion.h"
11 #include "SkString.h"
12
sect_proc(SkRegion & a,SkRegion & b)13 static bool sect_proc(SkRegion& a, SkRegion& b) {
14 SkRegion result;
15 return result.op(a, b, SkRegion::kIntersect_Op);
16 }
17
18 class RegionContainBench : public Benchmark {
19 public:
20 typedef bool (*Proc)(SkRegion& a, SkRegion& b);
21 SkRegion fA, fB;
22 Proc fProc;
23 SkString fName;
24
25 enum {
26 W = 200,
27 H = 200,
28 COUNT = 10,
29 };
30
randrect(SkRandom & rand,int i)31 SkIRect randrect(SkRandom& rand, int i) {
32 int w = rand.nextU() % W;
33 return SkIRect::MakeXYWH(0, i*H/COUNT, w, H/COUNT);
34 }
35
RegionContainBench(Proc proc,const char name[])36 RegionContainBench(Proc proc, const char name[]) {
37 fProc = proc;
38 fName.printf("region_contains_%s", name);
39
40 SkRandom rand;
41 for (int i = 0; i < COUNT; i++) {
42 fA.op(randrect(rand, i), SkRegion::kXOR_Op);
43 }
44
45 fB.setRect(0, 0, H, W);
46 }
47
isSuitableFor(Backend backend)48 bool isSuitableFor(Backend backend) override {
49 return backend == kNonRendering_Backend;
50 }
51
52 protected:
onGetName()53 const char* onGetName() override { return fName.c_str(); }
54
onDraw(int loops,SkCanvas *)55 void onDraw(int loops, SkCanvas*) override {
56 Proc proc = fProc;
57
58 for (int i = 0; i < loops; ++i) {
59 proc(fA, fB);
60 }
61 }
62
63 private:
64 typedef Benchmark INHERITED;
65 };
66
67 DEF_BENCH(return new RegionContainBench(sect_proc, "sect");)
68