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 "SkBenchmark.h" 9 #include "SkRandom.h" 10 #include "SkRegion.h" 11 #include "SkString.h" 12 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 SkBenchmark { 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 N = SkBENCHLOOP(20000) 30 }; 31 32 SkIRect randrect(SkRandom& rand, int i) { 33 int w = rand.nextU() % W; 34 return SkIRect::MakeXYWH(0, i*H/COUNT, w, H/COUNT); 35 } 36 37 RegionContainBench(void* param, Proc proc, const char name[]) : INHERITED(param) { 38 fProc = proc; 39 fName.printf("region_contains_%s", name); 40 41 SkRandom rand; 42 for (int i = 0; i < COUNT; i++) { 43 fA.op(randrect(rand, i), SkRegion::kXOR_Op); 44 } 45 46 fB.setRect(0, 0, H, W); 47 48 fIsRendering = false; 49 } 50 51 protected: 52 virtual const char* onGetName() { return fName.c_str(); } 53 54 virtual void onDraw(SkCanvas*) { 55 Proc proc = fProc; 56 57 for (int i = 0; i < N; ++i) { 58 proc(fA, fB); 59 } 60 } 61 62 private: 63 typedef SkBenchmark INHERITED; 64 }; 65 66 static SkBenchmark* gF0(void* p) { return SkNEW_ARGS(RegionContainBench, (p, sect_proc, "sect")); } 67 68 static BenchRegistry gR0(gF0); 69
