skia2/bench/PictureOverheadBench.cpp

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/*
* Copyright 2015 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
// A benchmark designed to isolate the constant overheads of picture recording.
// We record an empty picture and a picture with one draw op to force memory allocation.
#include "Benchmark.h"
#include "SkCanvas.h"
#include "SkPictureRecorder.h"
template <bool kDraw>
struct PictureOverheadBench : public Benchmark {
const char* onGetName() override {
return kDraw ? "picture_overhead_draw" : "picture_overhead_nodraw";
}
bool isSuitableFor(Backend backend) override { return backend == kNonRendering_Backend; }
void onDraw(int loops, SkCanvas*) override {
SkPictureRecorder rec;
for (int i = 0; i < loops; i++) {
rec.beginRecording(SkRect::MakeWH(2000,3000));
if (kDraw) {
rec.getRecordingCanvas()->drawRect(SkRect::MakeXYWH(10, 10, 1000, 1000), SkPaint());
}
SkAutoTUnref<SkPicture> pic(rec.endRecordingAsPicture());
}
}
};
DEF_BENCH(return (new PictureOverheadBench<false>);)
DEF_BENCH(return (new PictureOverheadBench< true>);)