2 * Copyright 2016 Google Inc.
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
8 #include "bench/Benchmark.h"
9 #include "include/core/SkBitmap.h"
10 #include "include/core/SkStream.h"
11 #include "include/encode/SkJpegEncoder.h"
12 #include "include/encode/SkPngEncoder.h"
13 #include "include/encode/SkWebpEncoder.h"
14 #include "tools/Resources.h"
16 // Like other Benchmark subclasses, Encoder benchmarks are run by:
17 // nanobench --match ^Encode_
19 // There is no corresponding DecodeBench class. Decoder benchmarks are run by:
20 // nanobench --benchType skcodec --images your_images_directory
22 class EncodeBench : public Benchmark {
24 using Encoder = bool (*)(SkWStream*, const SkPixmap&);
25 EncodeBench(const char* filename, Encoder encoder, const char* encoderName)
26 : fSourceFilename(filename)
28 , fName(SkStringPrintf("Encode_%s_%s", filename, encoderName)) {}
30 bool isSuitableFor(Backend backend) override { return backend == kNonRendering_Backend; }
32 const char* onGetName() override { return fName.c_str(); }
34 void onDelayedSetup() override {
35 SkAssertResult(GetResourceAsBitmap(fSourceFilename, &fBitmap));
38 void onDraw(int loops, SkCanvas*) override {
41 SkAssertResult(fBitmap.peekPixels(&pixmap));
43 SkAssertResult(fEncoder(&dst, pixmap));
44 SkASSERT(dst.bytesWritten() > 0);
49 const char* fSourceFilename;
55 static bool encode_jpeg(SkWStream* dst, const SkPixmap& src) {
56 SkJpegEncoder::Options opts;
58 return SkJpegEncoder::Encode(dst, src, opts);
61 static bool encode_webp_lossy(SkWStream* dst, const SkPixmap& src) {
62 SkWebpEncoder::Options opts;
63 opts.fCompression = SkWebpEncoder::Compression::kLossy;
65 return SkWebpEncoder::Encode(dst, src, opts);
68 static bool encode_webp_lossless(SkWStream* dst, const SkPixmap& src) {
69 SkWebpEncoder::Options opts;
70 opts.fCompression = SkWebpEncoder::Compression::kLossless;
72 return SkWebpEncoder::Encode(dst, src, opts);
75 static bool encode_png(SkWStream* dst,
77 SkPngEncoder::FilterFlag filters,
79 SkPngEncoder::Options opts;
80 opts.fFilterFlags = filters;
81 opts.fZLibLevel = zlibLevel;
82 return SkPngEncoder::Encode(dst, src, opts);
85 #define PNG(FLAG, ZLIBLEVEL) [](SkWStream* d, const SkPixmap& s) { \
86 return encode_png(d, s, SkPngEncoder::FilterFlag::FLAG, ZLIBLEVEL); }
88 static const char* srcs[2] = {"images/mandrill_512.png", "images/color_wheel.jpg"};
90 // The Android Photos app uses a quality of 90 on JPEG encodes
91 DEF_BENCH(return new EncodeBench(srcs[0], &encode_jpeg, "JPEG"));
92 DEF_BENCH(return new EncodeBench(srcs[1], &encode_jpeg, "JPEG"));
94 // TODO: What is the appropriate quality to use to benchmark WEBP encodes?
95 DEF_BENCH(return new EncodeBench(srcs[0], encode_webp_lossy, "WEBP"));
96 DEF_BENCH(return new EncodeBench(srcs[1], encode_webp_lossy, "WEBP"));
98 DEF_BENCH(return new EncodeBench(srcs[0], encode_webp_lossless, "WEBP_LL"));
99 DEF_BENCH(return new EncodeBench(srcs[1], encode_webp_lossless, "WEBP_LL"));
101 DEF_BENCH(return new EncodeBench(srcs[0], PNG(kAll, 6), "PNG"));
102 DEF_BENCH(return new EncodeBench(srcs[0], PNG(kAll, 3), "PNG_3"));
103 DEF_BENCH(return new EncodeBench(srcs[0], PNG(kAll, 1), "PNG_1"));
105 DEF_BENCH(return new EncodeBench(srcs[0], PNG(kSub, 6), "PNG_6s"));
106 DEF_BENCH(return new EncodeBench(srcs[0], PNG(kSub, 3), "PNG_3s"));
107 DEF_BENCH(return new EncodeBench(srcs[0], PNG(kSub, 1), "PNG_1s"));
109 DEF_BENCH(return new EncodeBench(srcs[0], PNG(kNone, 6), "PNG_6n"));
110 DEF_BENCH(return new EncodeBench(srcs[0], PNG(kNone, 3), "PNG_3n"));
111 DEF_BENCH(return new EncodeBench(srcs[0], PNG(kNone, 1), "PNG_1n"));
113 DEF_BENCH(return new EncodeBench(srcs[1], PNG(kAll, 6), "PNG"));
114 DEF_BENCH(return new EncodeBench(srcs[1], PNG(kAll, 3), "PNG_3"));
115 DEF_BENCH(return new EncodeBench(srcs[1], PNG(kAll, 1), "PNG_1"));
117 DEF_BENCH(return new EncodeBench(srcs[1], PNG(kSub, 6), "PNG_6s"));
118 DEF_BENCH(return new EncodeBench(srcs[1], PNG(kSub, 3), "PNG_3s"));
119 DEF_BENCH(return new EncodeBench(srcs[1], PNG(kSub, 1), "PNG_1s"));
121 DEF_BENCH(return new EncodeBench(srcs[1], PNG(kNone, 6), "PNG_6n"));
122 DEF_BENCH(return new EncodeBench(srcs[1], PNG(kNone, 3), "PNG_3n"));
123 DEF_BENCH(return new EncodeBench(srcs[1], PNG(kNone, 1), "PNG_1n"));