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Add bench for image encodes

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BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1890643003

Review URL: https://codereview.chromium.org/1890643003
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msarett 2016-04-18 12:37:46 -07:00 committed by Commit bot
parent 35ad0fbd41
commit b92dc7ac0b
1 changed files with 81 additions and 0 deletions
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bench/EncoderBench.cpp Normal file
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/*
* 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 "SkData.h"
#include "SkImageEncoder.h"
class EncodeBench : public Benchmark {
public:
EncodeBench(const char* filename, SkImageEncoder::Type type, int quality)
: fFilename(filename)
, fType(type)
, fQuality(quality)
{
// Set the name of the bench
SkString name("Encode_");
name.append(filename);
name.append("_");
switch (type) {
case SkImageEncoder::kJPEG_Type:
name.append("JPEG");
break;
case SkImageEncoder::kPNG_Type:
name.append("PNG");
break;
case SkImageEncoder::kWEBP_Type:
name.append("WEBP");
break;
default:
name.append("Unknown");
break;
}
fName = name;
}
bool isSuitableFor(Backend backend) override { return backend == kNonRendering_Backend; }
const char* onGetName() override { return fName.c_str(); }
void onPreDraw(SkCanvas*) override {
#ifdef SK_DEBUG
bool result =
#endif
GetResourceAsBitmap(fFilename, &fBitmap);
SkASSERT(result);
}
void onDraw(int loops, SkCanvas*) override {
for (int i = 0; i < loops; i++) {
SkAutoTUnref<SkData> data(SkImageEncoder::EncodeData(fBitmap, fType, fQuality));
SkASSERT(data);
}
}
private:
const char* fFilename;
const SkImageEncoder::Type fType;
const int fQuality;
SkString fName;
SkBitmap fBitmap;
};
// The Android Photos app uses a quality of 90 on JPEG encodes
DEF_BENCH(return new EncodeBench("mandrill_512.png", SkImageEncoder::kJPEG_Type, 90));
DEF_BENCH(return new EncodeBench("color_wheel.jpg", SkImageEncoder::kJPEG_Type, 90));
// PNG encodes are lossless so quality should be ignored
DEF_BENCH(return new EncodeBench("mandrill_512.png", SkImageEncoder::kPNG_Type, 90));
DEF_BENCH(return new EncodeBench("color_wheel.jpg", SkImageEncoder::kPNG_Type, 90));
// TODO: What is the appropriate quality to use to benchmark WEBP encodes?
DEF_BENCH(return new EncodeBench("mandrill_512.png", SkImageEncoder::kWEBP_Type, 90));
DEF_BENCH(return new EncodeBench("color_wheel.jpg", SkImageEncoder::kWEBP_Type, 90));