skia2/bench/EncoderBench.cpp
Hal Canary db6830162e SkImageEncoder: simplify API
(re-land 248ff02 & 2cb6cb7, with changes)

  - Hide SkImageEncoder class in private header.
  - SkImageEncoder::Type becomes SkEncodedImageFormat
  - SkEncodedFormat becomes SkEncodedImageFormat
  - SkImageEncoder static functions replaced with
    single function EncodeImage()
  - utility wrappers for EncodeImage() are in
    sk_tool_utils.h

TODO: remove link-time registration mechanism.
TODO: clean up clients use of API and flip the flag.
TODO: implement EncodeImage() in chromeium/skia/ext

Change-Id: I47d451e50be4d5c6c130869c7fa7c2857243d9f0
Reviewed-on: https://skia-review.googlesource.com/4909
Reviewed-by: Mike Reed <reed@google.com>
Reviewed-by: Leon Scroggins <scroggo@google.com>
Reviewed-on: https://skia-review.googlesource.com/5186
Commit-Queue: Hal Canary <halcanary@google.com>
Reviewed-by: Hal Canary <halcanary@google.com>
2016-11-23 16:40:32 +00:00

84 lines
2.5 KiB
C++

/*
* 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"
#include "sk_tool_utils.h"
class EncodeBench : public Benchmark {
public:
EncodeBench(const char* filename, SkEncodedImageFormat 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 SkEncodedImageFormat::kJPEG:
name.append("JPEG");
break;
case SkEncodedImageFormat::kPNG:
name.append("PNG");
break;
case SkEncodedImageFormat::kWEBP:
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++) {
sk_sp<SkData> data(sk_tool_utils::EncodeImageToData(fBitmap, fType, fQuality));
SkASSERT(data);
}
}
private:
const char* fFilename;
const SkEncodedImageFormat 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", SkEncodedImageFormat::kJPEG, 90));
DEF_BENCH(return new EncodeBench("color_wheel.jpg", SkEncodedImageFormat::kJPEG, 90));
// PNG encodes are lossless so quality should be ignored
DEF_BENCH(return new EncodeBench("mandrill_512.png", SkEncodedImageFormat::kPNG, 90));
DEF_BENCH(return new EncodeBench("color_wheel.jpg", SkEncodedImageFormat::kPNG, 90));
// TODO: What is the appropriate quality to use to benchmark WEBP encodes?
DEF_BENCH(return new EncodeBench("mandrill_512.png", SkEncodedImageFormat::kWEBP, 90));
DEF_BENCH(return new EncodeBench("color_wheel.jpg", SkEncodedImageFormat::kWEBP, 90));