1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
|
/*
* Copyright 2013 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "Benchmark.h"
#include "SkBlurImageFilter.h"
#include "SkOffsetImageFilter.h"
#include "SkCanvas.h"
#include "SkPaint.h"
#include "SkRandom.h"
#include "SkShader.h"
#include "SkString.h"
#define FILTER_WIDTH_SMALL 32
#define FILTER_HEIGHT_SMALL 32
#define FILTER_WIDTH_LARGE 256
#define FILTER_HEIGHT_LARGE 256
#define BLUR_SIGMA_MINI 0.5f
#define BLUR_SIGMA_SMALL 1.0f
#define BLUR_SIGMA_LARGE 10.0f
#define BLUR_SIGMA_HUGE 80.0f
// When 'cropped' is set we apply a cropRect to the blurImageFilter. The crop rect is an inset of
// the source's natural dimensions. This is intended to exercise blurring a larger source bitmap
// to a smaller destination bitmap.
// When 'expanded' is set we apply a cropRect to the input of the blurImageFilter (a noOp
// offsetImageFilter). The crop rect in this case is an inset of the source's natural dimensions.
// An additional crop rect is applied to the blurImageFilter that is just the natural dimensions
// of the source (not inset). This is intended to exercise blurring a smaller source bitmap to a
// larger destination.
class BlurImageFilterBench : public Benchmark {
public:
BlurImageFilterBench(SkScalar sigmaX, SkScalar sigmaY, bool small, bool cropped,
bool expanded)
: fIsSmall(small)
, fIsCropped(cropped)
, fIsExpanded(expanded)
, fInitialized(false)
, fSigmaX(sigmaX)
, fSigmaY(sigmaY) {
fName.printf("blur_image_filter_%s%s%s_%.2f_%.2f",
fIsSmall ? "small" : "large",
fIsCropped ? "_cropped" : "",
fIsExpanded ? "_expanded" : "",
SkScalarToFloat(sigmaX), SkScalarToFloat(sigmaY));
SkASSERT(!fIsExpanded || fIsCropped); // never want expansion w/o cropping
}
protected:
const char* onGetName() override {
return fName.c_str();
}
void onDelayedSetup() override {
if (!fInitialized) {
make_checkerboard();
fInitialized = true;
}
}
void onDraw(int loops, SkCanvas* canvas) override {
SkPaint paint;
static const SkScalar kX = 0;
static const SkScalar kY = 0;
const SkRect bmpRect = SkRect::MakeXYWH(kX, kY,
SkIntToScalar(fCheckerboard.width()),
SkIntToScalar(fCheckerboard.height()));
const SkImageFilter::CropRect cropRect(bmpRect.makeInset(10.f, 10.f));
const SkImageFilter::CropRect cropRectLarge(bmpRect);
SkAutoTUnref<SkImageFilter> noOpCropped(SkOffsetImageFilter::Create(0, 0, nullptr,
&cropRect));
SkImageFilter* input = fIsExpanded ? noOpCropped.get() : nullptr;
const SkImageFilter::CropRect* crop =
fIsExpanded ? &cropRectLarge : fIsCropped ? &cropRect : nullptr;
paint.setImageFilter(SkBlurImageFilter::Create(fSigmaX, fSigmaY, input, crop))->unref();
for (int i = 0; i < loops; i++) {
canvas->drawBitmap(fCheckerboard, kX, kY, &paint);
}
}
private:
void make_checkerboard() {
const int w = fIsSmall ? FILTER_WIDTH_SMALL : FILTER_WIDTH_LARGE;
const int h = fIsSmall ? FILTER_HEIGHT_LARGE : FILTER_HEIGHT_LARGE;
fCheckerboard.allocN32Pixels(w, h);
SkCanvas canvas(fCheckerboard);
canvas.clear(0x00000000);
SkPaint darkPaint;
darkPaint.setColor(0xFF804020);
SkPaint lightPaint;
lightPaint.setColor(0xFF244484);
for (int y = 0; y < h; y += 16) {
for (int x = 0; x < w; x += 16) {
canvas.save();
canvas.translate(SkIntToScalar(x), SkIntToScalar(y));
canvas.drawRect(SkRect::MakeXYWH(0, 0, 8, 8), darkPaint);
canvas.drawRect(SkRect::MakeXYWH(8, 0, 8, 8), lightPaint);
canvas.drawRect(SkRect::MakeXYWH(0, 8, 8, 8), lightPaint);
canvas.drawRect(SkRect::MakeXYWH(8, 8, 8, 8), darkPaint);
canvas.restore();
}
}
}
SkString fName;
bool fIsSmall;
bool fIsCropped;
bool fIsExpanded;
bool fInitialized;
SkBitmap fCheckerboard;
SkScalar fSigmaX, fSigmaY;
typedef Benchmark INHERITED;
};
DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_LARGE, 0, false, false, false);)
DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_SMALL, 0, false, false, false);)
DEF_BENCH(return new BlurImageFilterBench(0, BLUR_SIGMA_LARGE, false, false, false);)
DEF_BENCH(return new BlurImageFilterBench(0, BLUR_SIGMA_SMALL, false, false, false);)
DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_MINI, BLUR_SIGMA_MINI, true, false, false);)
DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_MINI, BLUR_SIGMA_MINI, false, false, false);)
DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_SMALL, BLUR_SIGMA_SMALL, true, false, false);)
DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_SMALL, BLUR_SIGMA_SMALL, false, false, false);)
DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_LARGE, BLUR_SIGMA_LARGE, true, false, false);)
DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_LARGE, BLUR_SIGMA_LARGE, false, false, false);)
DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_HUGE, BLUR_SIGMA_HUGE, true, false, false);)
DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_HUGE, BLUR_SIGMA_HUGE, false, false, false);)
DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_LARGE, 0, false, true, false);)
DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_SMALL, 0, false, true, false);)
DEF_BENCH(return new BlurImageFilterBench(0, BLUR_SIGMA_LARGE, false, true, false);)
DEF_BENCH(return new BlurImageFilterBench(0, BLUR_SIGMA_SMALL, false, true, false);)
DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_MINI, BLUR_SIGMA_MINI, true, true, false);)
DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_MINI, BLUR_SIGMA_MINI, false, true, false);)
DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_SMALL, BLUR_SIGMA_SMALL, true, true, false);)
DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_SMALL, BLUR_SIGMA_SMALL, false, true, false);)
DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_LARGE, BLUR_SIGMA_LARGE, true, true, false);)
DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_LARGE, BLUR_SIGMA_LARGE, false, true, false);)
DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_HUGE, BLUR_SIGMA_HUGE, true, true, false);)
DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_HUGE, BLUR_SIGMA_HUGE, false, true, false);)
DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_LARGE, 0, false, true, true);)
DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_SMALL, 0, false, true, true);)
DEF_BENCH(return new BlurImageFilterBench(0, BLUR_SIGMA_LARGE, false, true, true);)
DEF_BENCH(return new BlurImageFilterBench(0, BLUR_SIGMA_SMALL, false, true, true);)
DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_MINI, BLUR_SIGMA_MINI, true, true, true);)
DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_MINI, BLUR_SIGMA_MINI, false, true, true);)
DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_SMALL, BLUR_SIGMA_SMALL, true, true, true);)
DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_SMALL, BLUR_SIGMA_SMALL, false, true, true);)
DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_LARGE, BLUR_SIGMA_LARGE, true, true, true);)
DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_LARGE, BLUR_SIGMA_LARGE, false, true, true);)
DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_HUGE, BLUR_SIGMA_HUGE, true, true, true);)
DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_HUGE, BLUR_SIGMA_HUGE, false, true, true);)
|
