1
2/*
3 * Copyright 2011 Google Inc.
4 *
5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file.
7 */
8#include "SkBenchmark.h"
9#include "SkCanvas.h"
10#include "SkPaint.h"
11#include "SkRandom.h"
12#include "SkShader.h"
13#include "SkString.h"
14#include "SkBlurMaskFilter.h"
15
16#define SMALL   SkIntToScalar(2)
17#define REAL    SkFloatToScalar(1.5f)
18#define BIG     SkIntToScalar(10)
19
20static const char* gStyleName[] = {
21    "normal",
22    "solid",
23    "outer",
24    "inner"
25};
26
27class BlurBench : public SkBenchmark {
28    SkScalar    fRadius;
29    SkBlurMaskFilter::BlurStyle fStyle;
30    SkString    fName;
31
32public:
33    BlurBench(void* param, SkScalar rad, SkBlurMaskFilter::BlurStyle bs) : INHERITED(param) {
34        fRadius = rad;
35        fStyle = bs;
36        const char* name = rad > 0 ? gStyleName[bs] : "none";
37        if (SkScalarFraction(rad) != 0) {
38            fName.printf("blur_%.2f_%s", SkScalarToFloat(rad), name);
39        } else {
40            fName.printf("blur_%d_%s", SkScalarRound(rad), name);
41        }
42    }
43
44protected:
45    virtual const char* onGetName() {
46        return fName.c_str();
47    }
48
49    virtual void onDraw(SkCanvas* canvas) {
50        SkPaint paint;
51        this->setupPaint(&paint);
52
53        paint.setAntiAlias(true);
54
55        SkRandom rand;
56        for (int i = 0; i < SkBENCHLOOP(10); i++) {
57            SkRect r = SkRect::MakeWH(rand.nextUScalar1() * 400,
58                                      rand.nextUScalar1() * 400);
59            r.offset(fRadius, fRadius);
60
61            if (fRadius > 0) {
62                SkMaskFilter* mf = SkBlurMaskFilter::Create(fRadius, fStyle, 0);
63                paint.setMaskFilter(mf)->unref();
64            }
65            canvas->drawOval(r, paint);
66        }
67    }
68
69private:
70    typedef SkBenchmark INHERITED;
71};
72
73static SkBenchmark* Fact00(void* p) { return new BlurBench(p, SMALL, SkBlurMaskFilter::kNormal_BlurStyle); }
74static SkBenchmark* Fact01(void* p) { return new BlurBench(p, SMALL, SkBlurMaskFilter::kSolid_BlurStyle); }
75static SkBenchmark* Fact02(void* p) { return new BlurBench(p, SMALL, SkBlurMaskFilter::kOuter_BlurStyle); }
76static SkBenchmark* Fact03(void* p) { return new BlurBench(p, SMALL, SkBlurMaskFilter::kInner_BlurStyle); }
77
78static SkBenchmark* Fact10(void* p) { return new BlurBench(p, BIG, SkBlurMaskFilter::kNormal_BlurStyle); }
79static SkBenchmark* Fact11(void* p) { return new BlurBench(p, BIG, SkBlurMaskFilter::kSolid_BlurStyle); }
80static SkBenchmark* Fact12(void* p) { return new BlurBench(p, BIG, SkBlurMaskFilter::kOuter_BlurStyle); }
81static SkBenchmark* Fact13(void* p) { return new BlurBench(p, BIG, SkBlurMaskFilter::kInner_BlurStyle); }
82
83static SkBenchmark* Fact20(void* p) { return new BlurBench(p, REAL, SkBlurMaskFilter::kNormal_BlurStyle); }
84static SkBenchmark* Fact21(void* p) { return new BlurBench(p, REAL, SkBlurMaskFilter::kSolid_BlurStyle); }
85static SkBenchmark* Fact22(void* p) { return new BlurBench(p, REAL, SkBlurMaskFilter::kOuter_BlurStyle); }
86static SkBenchmark* Fact23(void* p) { return new BlurBench(p, REAL, SkBlurMaskFilter::kInner_BlurStyle); }
87
88static SkBenchmark* FactNone(void* p) { return new BlurBench(p, 0, SkBlurMaskFilter::kNormal_BlurStyle); }
89
90static BenchRegistry gReg00(Fact00);
91static BenchRegistry gReg01(Fact01);
92static BenchRegistry gReg02(Fact02);
93static BenchRegistry gReg03(Fact03);
94
95static BenchRegistry gReg10(Fact10);
96static BenchRegistry gReg11(Fact11);
97static BenchRegistry gReg12(Fact12);
98static BenchRegistry gReg13(Fact13);
99
100static BenchRegistry gReg20(Fact20);
101static BenchRegistry gReg21(Fact21);
102static BenchRegistry gReg22(Fact22);
103static BenchRegistry gReg23(Fact23);
104
105static BenchRegistry gRegNone(FactNone);
106
107