skia2/bench/StreamBench.cpp

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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 "SkStream.h"
class StreamBench : public Benchmark {
SkString fName;
const bool fTestWrite4;
public:
StreamBench(bool testWrite4) : fTestWrite4(testWrite4) {
fName.printf("wstream_%d", testWrite4);
}
bool isSuitableFor(Backend backend) override {
return backend == kNonRendering_Backend;
}
protected:
const char* onGetName() override { return fName.c_str(); }
void onDraw(int loops, SkCanvas* canvas) override {
const char t3[] = { 1, 2, 3 };
const char t5[] = { 1, 2, 3, 4, 5 };
for (int i = 0; i < loops*100; ++i) {
SkDynamicMemoryWStream stream;
for (int j = 0; j < 10000; ++j) {
if (fTestWrite4) {
stream.write32(j);
stream.write32(j+j);
} else {
stream.write(t3, 3);
stream.write(t5, 5);
}
}
}
}
private:
typedef Benchmark INHERITED;
};
///////////////////////////////////////////////////////////////////////////////
DEF_BENCH(return new StreamBench(false);)
DEF_BENCH(return new StreamBench(true);)