blob: fa629405aaf744969e1aeb51437988c7db91a735 [file] [log] [blame] [edit]
/*
* Copyright 2013 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "bench/Benchmark.h"
#include "src/core/SkResourceCache.h"
namespace {
static void* gGlobalAddress;
class TestKey : public SkResourceCache::Key {
public:
intptr_t fValue;
TestKey(intptr_t value) : fValue(value) {
this->init(&gGlobalAddress, 0, sizeof(fValue));
}
};
struct TestRec : public SkResourceCache::Rec {
TestKey fKey;
intptr_t fValue;
TestRec(const TestKey& key, intptr_t value) : fKey(key), fValue(value) {}
const Key& getKey() const override { return fKey; }
size_t bytesUsed() const override { return sizeof(fKey) + sizeof(fValue); }
const char* getCategory() const override { return "imagecachebench-test"; }
SkDiscardableMemory* diagnostic_only_getDiscardable() const override { return nullptr; }
static bool Visitor(const SkResourceCache::Rec&, void*) {
return true;
}
};
} // namespace
class ImageCacheBench : public Benchmark {
SkResourceCache fCache;
enum {
CACHE_COUNT = 500
};
public:
ImageCacheBench() : fCache(CACHE_COUNT * 100) {}
void populateCache() {
for (int i = 0; i < CACHE_COUNT; ++i) {
fCache.add(new TestRec(TestKey(i), i));
}
}
protected:
const char* onGetName() override {
return "imagecache";
}
void onDraw(int loops, SkCanvas*) override {
if (fCache.getTotalBytesUsed() == 0) {
this->populateCache();
}
TestKey key(-1);
// search for a miss (-1)
for (int i = 0; i < loops; ++i) {
SkDEBUGCODE(bool found =) fCache.find(key, TestRec::Visitor, nullptr);
SkASSERT(!found);
}
}
private:
using INHERITED = Benchmark;
};
///////////////////////////////////////////////////////////////////////////////
DEF_BENCH( return new ImageCacheBench(); )