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
|
/*
* Copyright 2016 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 "SkBitmap.h"
#include "SkJpegEncoder.h"
#include "SkPngEncoder.h"
#include "SkWebpEncoder.h"
#include "SkStream.h"
class EncodeBench : public Benchmark {
public:
using Encoder = bool (*)(SkWStream*, const SkPixmap&);
EncodeBench(const char* filename, Encoder encoder, const char* encoderName)
: fSourceFilename(filename)
, fEncoder(encoder)
, fName(SkStringPrintf("Encode_%s_%s", filename, encoderName)) {}
bool isSuitableFor(Backend backend) override { return backend == kNonRendering_Backend; }
const char* onGetName() override { return fName.c_str(); }
void onPreDraw(SkCanvas*) override {
SkAssertResult(GetResourceAsBitmap(fSourceFilename, &fBitmap));
}
void onDraw(int loops, SkCanvas*) override {
while (loops-- > 0) {
SkPixmap pixmap;
SkAssertResult(fBitmap.peekPixels(&pixmap));
SkNullWStream dst;
SkAssertResult(fEncoder(&dst, pixmap));
SkASSERT(dst.bytesWritten() > 0);
}
}
private:
const char* fSourceFilename;
Encoder fEncoder;
SkString fName;
SkBitmap fBitmap;
};
static bool encode_jpeg(SkWStream* dst, const SkPixmap& src) {
SkJpegEncoder::Options opts;
opts.fQuality = 90;
return SkJpegEncoder::Encode(dst, src, opts);
}
static bool encode_webp_lossy(SkWStream* dst, const SkPixmap& src) {
SkWebpEncoder::Options opts;
opts.fCompression = SkWebpEncoder::Compression::kLossy;
opts.fQuality = 90;
opts.fUnpremulBehavior = SkTransferFunctionBehavior::kIgnore;
return SkWebpEncoder::Encode(dst, src, opts);
}
static bool encode_webp_lossless(SkWStream* dst, const SkPixmap& src) {
SkWebpEncoder::Options opts;
opts.fCompression = SkWebpEncoder::Compression::kLossless;
opts.fQuality = 90;
opts.fUnpremulBehavior = SkTransferFunctionBehavior::kIgnore;
return SkWebpEncoder::Encode(dst, src, opts);
}
static bool encode_png(SkWStream* dst,
const SkPixmap& src,
SkPngEncoder::FilterFlag filters,
int zlibLevel) {
SkPngEncoder::Options opts;
opts.fFilterFlags = filters;
opts.fUnpremulBehavior = SkTransferFunctionBehavior::kIgnore;
opts.fZLibLevel = zlibLevel;
return SkPngEncoder::Encode(dst, src, opts);
}
#define PNG(FLAG, ZLIBLEVEL) [](SkWStream* d, const SkPixmap& s) { \
return encode_png(d, s, SkPngEncoder::FilterFlag::FLAG, ZLIBLEVEL); }
static const char* srcs[2] = {"images/mandrill_512.png", "images/color_wheel.jpg"};
// The Android Photos app uses a quality of 90 on JPEG encodes
DEF_BENCH(return new EncodeBench(srcs[0], &encode_jpeg, "JPEG"));
DEF_BENCH(return new EncodeBench(srcs[1], &encode_jpeg, "JPEG"));
// TODO: What is the appropriate quality to use to benchmark WEBP encodes?
DEF_BENCH(return new EncodeBench(srcs[0], encode_webp_lossy, "WEBP"));
DEF_BENCH(return new EncodeBench(srcs[1], encode_webp_lossy, "WEBP"));
DEF_BENCH(return new EncodeBench(srcs[0], encode_webp_lossless, "WEBP_LL"));
DEF_BENCH(return new EncodeBench(srcs[1], encode_webp_lossless, "WEBP_LL"));
DEF_BENCH(return new EncodeBench(srcs[0], PNG(kAll, 6), "PNG"));
DEF_BENCH(return new EncodeBench(srcs[0], PNG(kAll, 3), "PNG_3"));
DEF_BENCH(return new EncodeBench(srcs[0], PNG(kAll, 1), "PNG_1"));
DEF_BENCH(return new EncodeBench(srcs[0], PNG(kSub, 6), "PNG_6s"));
DEF_BENCH(return new EncodeBench(srcs[0], PNG(kSub, 3), "PNG_3s"));
DEF_BENCH(return new EncodeBench(srcs[0], PNG(kSub, 1), "PNG_1s"));
DEF_BENCH(return new EncodeBench(srcs[0], PNG(kNone, 6), "PNG_6n"));
DEF_BENCH(return new EncodeBench(srcs[0], PNG(kNone, 3), "PNG_3n"));
DEF_BENCH(return new EncodeBench(srcs[0], PNG(kNone, 1), "PNG_1n"));
DEF_BENCH(return new EncodeBench(srcs[1], PNG(kAll, 6), "PNG"));
DEF_BENCH(return new EncodeBench(srcs[1], PNG(kAll, 3), "PNG_3"));
DEF_BENCH(return new EncodeBench(srcs[1], PNG(kAll, 1), "PNG_1"));
DEF_BENCH(return new EncodeBench(srcs[1], PNG(kSub, 6), "PNG_6s"));
DEF_BENCH(return new EncodeBench(srcs[1], PNG(kSub, 3), "PNG_3s"));
DEF_BENCH(return new EncodeBench(srcs[1], PNG(kSub, 1), "PNG_1s"));
DEF_BENCH(return new EncodeBench(srcs[1], PNG(kNone, 6), "PNG_6n"));
DEF_BENCH(return new EncodeBench(srcs[1], PNG(kNone, 3), "PNG_3n"));
DEF_BENCH(return new EncodeBench(srcs[1], PNG(kNone, 1), "PNG_1n"));
#undef PNG
|
