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
|
/*
* Copyright 2014 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 "Resources.h"
#include "SkBlurImageFilter.h"
#include "SkDisplacementMapEffect.h"
#include "SkCanvas.h"
#include "SkMergeImageFilter.h"
// Exercise a blur filter connected to 5 inputs of the same merge filter.
// This bench shows an improvement in performance once cacheing of re-used
// nodes is implemented, since the DAG is no longer flattened to a tree.
class ImageFilterDAGBench : public Benchmark {
public:
ImageFilterDAGBench() {}
protected:
const char* onGetName() override {
return "image_filter_dag";
}
void onDraw(int loops, SkCanvas* canvas) override {
const SkRect rect = SkRect::Make(SkIRect::MakeWH(400, 400));
for (int j = 0; j < loops; j++) {
sk_sp<SkImageFilter> blur(SkBlurImageFilter::Make(20.0f, 20.0f, nullptr));
sk_sp<SkImageFilter> inputs[kNumInputs];
for (int i = 0; i < kNumInputs; ++i) {
inputs[i] = blur;
}
SkPaint paint;
paint.setImageFilter(SkMergeImageFilter::Make(inputs, kNumInputs));
canvas->drawRect(rect, paint);
}
}
private:
static const int kNumInputs = 5;
typedef Benchmark INHERITED;
};
class ImageMakeWithFilterDAGBench : public Benchmark {
public:
ImageMakeWithFilterDAGBench() {}
protected:
const char* onGetName() override {
return "image_make_with_filter_dag";
}
void onDelayedSetup() override {
fImage = GetResourceAsImage("mandrill_512.png");
}
void onDraw(int loops, SkCanvas* canvas) override {
SkIRect subset = SkIRect::MakeSize(fImage->dimensions());
SkIPoint offset = SkIPoint::Make(0, 0);
SkIRect discardSubset;
sk_sp<SkImage> image = fImage;
for (int j = 0; j < loops; j++) {
sk_sp<SkImageFilter> blur(SkBlurImageFilter::Make(20.0f, 20.0f, nullptr));
sk_sp<SkImageFilter> inputs[kNumInputs];
for (int i = 0; i < kNumInputs; ++i) {
inputs[i] = blur;
}
sk_sp<SkImageFilter> mergeFilter = SkMergeImageFilter::Make(inputs, kNumInputs);
image = image->makeWithFilter(mergeFilter.get(), subset, subset, &discardSubset,
&offset);
SkASSERT(image && image->dimensions() == fImage->dimensions());
}
}
private:
static const int kNumInputs = 5;
sk_sp<SkImage> fImage;
typedef Benchmark INHERITED;
};
// Exercise a blur filter connected to both inputs of an SkDisplacementMapEffect.
class ImageFilterDisplacedBlur : public Benchmark {
public:
ImageFilterDisplacedBlur() {}
protected:
const char* onGetName() override {
return "image_filter_displaced_blur";
}
void onDraw(int loops, SkCanvas* canvas) override {
for (int j = 0; j < loops; j++) {
sk_sp<SkImageFilter> blur(SkBlurImageFilter::Make(4.0f, 4.0f, nullptr));
auto xSelector = SkDisplacementMapEffect::kR_ChannelSelectorType;
auto ySelector = SkDisplacementMapEffect::kB_ChannelSelectorType;
SkScalar scale = 2;
SkPaint paint;
paint.setImageFilter(SkDisplacementMapEffect::Make(xSelector, ySelector, scale,
blur, blur));
SkRect rect = SkRect::Make(SkIRect::MakeWH(400, 400));
canvas->drawRect(rect, paint);
}
}
private:
typedef Benchmark INHERITED;
};
DEF_BENCH(return new ImageFilterDAGBench;)
DEF_BENCH(return new ImageMakeWithFilterDAGBench;)
DEF_BENCH(return new ImageFilterDisplacedBlur;)
|
