зеркало из https://github.com/mozilla/moz-skia.git
49 строки
1.1 KiB
C++
49 строки
1.1 KiB
C++
/*
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* Copyright 2012 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "SkBenchmark.h"
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#include "SkCanvas.h"
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#include "SkChecksum.h"
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#include "SkRandom.h"
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class ComputeChecksumBench : public SkBenchmark {
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enum {
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U32COUNT = 256,
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SIZE = U32COUNT * 4,
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N = SkBENCHLOOP(100000),
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};
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uint32_t fData[U32COUNT];
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public:
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ComputeChecksumBench(void* param) : INHERITED(param) {
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SkRandom rand;
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for (int i = 0; i < U32COUNT; ++i) {
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fData[i] = rand.nextU();
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}
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fIsRendering = false;
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}
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protected:
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virtual const char* onGetName() {
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return "compute_checksum";
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}
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virtual void onDraw(SkCanvas* canvas) {
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for (int i = 0; i < N; i++) {
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volatile uint32_t result = SkChecksum::Compute(fData, sizeof(fData));
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}
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}
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private:
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typedef SkBenchmark INHERITED;
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};
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///////////////////////////////////////////////////////////////////////////////
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static SkBenchmark* Fact0(void* p) { return new ComputeChecksumBench(p); }
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static BenchRegistry gReg0(Fact0);
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