/*
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* Copyright 2013 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 "Benchmark.h"
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#include "SkResourceCache.h"
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namespace {
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static void* gGlobalAddress;
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class TestKey : public SkResourceCache::Key {
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public:
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intptr_t fValue;
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TestKey(intptr_t value) : fValue(value) {
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this->init(&gGlobalAddress, 0, sizeof(fValue));
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}
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};
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struct TestRec : public SkResourceCache::Rec {
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TestKey fKey;
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intptr_t fValue;
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TestRec(const TestKey& key, intptr_t value) : fKey(key), fValue(value) {}
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const Key& getKey() const override { return fKey; }
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size_t bytesUsed() const override { return sizeof(fKey) + sizeof(fValue); }
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const char* getCategory() const override { return "imagecachebench-test"; }
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SkDiscardableMemory* diagnostic_only_getDiscardable() const override { return nullptr; }
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static bool Visitor(const SkResourceCache::Rec&, void*) {
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return true;
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}
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};
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}
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class ImageCacheBench : public Benchmark {
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SkResourceCache fCache;
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enum {
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CACHE_COUNT = 500
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};
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public:
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ImageCacheBench() : fCache(CACHE_COUNT * 100) {}
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void populateCache() {
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for (int i = 0; i < CACHE_COUNT; ++i) {
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fCache.add(new TestRec(TestKey(i), i));
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}
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}
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protected:
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const char* onGetName() override {
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return "imagecache";
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}
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void onDraw(int loops, SkCanvas*) override {
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if (fCache.getTotalBytesUsed() == 0) {
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this->populateCache();
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}
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TestKey key(-1);
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// search for a miss (-1)
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for (int i = 0; i < loops; ++i) {
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SkDEBUGCODE(bool found =) fCache.find(key, TestRec::Visitor, nullptr);
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SkASSERT(!found);
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}
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}
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private:
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typedef Benchmark INHERITED;
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};
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///////////////////////////////////////////////////////////////////////////////
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DEF_BENCH( return new ImageCacheBench(); )
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