xref: /aosp_15_r20/external/skia/bench/ImageCacheBench.cpp (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1*c8dee2aaSAndroid Build Coastguard Worker /*
2*c8dee2aaSAndroid Build Coastguard Worker  * Copyright 2013 Google Inc.
3*c8dee2aaSAndroid Build Coastguard Worker  *
4*c8dee2aaSAndroid Build Coastguard Worker  * Use of this source code is governed by a BSD-style license that can be
5*c8dee2aaSAndroid Build Coastguard Worker  * found in the LICENSE file.
6*c8dee2aaSAndroid Build Coastguard Worker  */
7*c8dee2aaSAndroid Build Coastguard Worker 
8*c8dee2aaSAndroid Build Coastguard Worker #include "bench/Benchmark.h"
9*c8dee2aaSAndroid Build Coastguard Worker #include "src/core/SkResourceCache.h"
10*c8dee2aaSAndroid Build Coastguard Worker 
11*c8dee2aaSAndroid Build Coastguard Worker namespace {
12*c8dee2aaSAndroid Build Coastguard Worker static void* gGlobalAddress;
13*c8dee2aaSAndroid Build Coastguard Worker class TestKey : public SkResourceCache::Key {
14*c8dee2aaSAndroid Build Coastguard Worker public:
15*c8dee2aaSAndroid Build Coastguard Worker     intptr_t fValue;
16*c8dee2aaSAndroid Build Coastguard Worker 
TestKey(intptr_t value)17*c8dee2aaSAndroid Build Coastguard Worker     TestKey(intptr_t value) : fValue(value) {
18*c8dee2aaSAndroid Build Coastguard Worker         this->init(&gGlobalAddress, 0, sizeof(fValue));
19*c8dee2aaSAndroid Build Coastguard Worker     }
20*c8dee2aaSAndroid Build Coastguard Worker };
21*c8dee2aaSAndroid Build Coastguard Worker struct TestRec : public SkResourceCache::Rec {
22*c8dee2aaSAndroid Build Coastguard Worker     TestKey     fKey;
23*c8dee2aaSAndroid Build Coastguard Worker     intptr_t    fValue;
24*c8dee2aaSAndroid Build Coastguard Worker 
TestRec__anon3d0390f50111::TestRec25*c8dee2aaSAndroid Build Coastguard Worker     TestRec(const TestKey& key, intptr_t value) : fKey(key), fValue(value) {}
26*c8dee2aaSAndroid Build Coastguard Worker 
getKey__anon3d0390f50111::TestRec27*c8dee2aaSAndroid Build Coastguard Worker     const Key& getKey() const override { return fKey; }
bytesUsed__anon3d0390f50111::TestRec28*c8dee2aaSAndroid Build Coastguard Worker     size_t bytesUsed() const override { return sizeof(fKey) + sizeof(fValue); }
getCategory__anon3d0390f50111::TestRec29*c8dee2aaSAndroid Build Coastguard Worker     const char* getCategory() const override { return "imagecachebench-test"; }
diagnostic_only_getDiscardable__anon3d0390f50111::TestRec30*c8dee2aaSAndroid Build Coastguard Worker     SkDiscardableMemory* diagnostic_only_getDiscardable() const override { return nullptr; }
31*c8dee2aaSAndroid Build Coastguard Worker 
Visitor__anon3d0390f50111::TestRec32*c8dee2aaSAndroid Build Coastguard Worker     static bool Visitor(const SkResourceCache::Rec&, void*) {
33*c8dee2aaSAndroid Build Coastguard Worker         return true;
34*c8dee2aaSAndroid Build Coastguard Worker     }
35*c8dee2aaSAndroid Build Coastguard Worker };
36*c8dee2aaSAndroid Build Coastguard Worker }  // namespace
37*c8dee2aaSAndroid Build Coastguard Worker 
38*c8dee2aaSAndroid Build Coastguard Worker class ImageCacheBench : public Benchmark {
39*c8dee2aaSAndroid Build Coastguard Worker     SkResourceCache fCache;
40*c8dee2aaSAndroid Build Coastguard Worker 
41*c8dee2aaSAndroid Build Coastguard Worker     enum {
42*c8dee2aaSAndroid Build Coastguard Worker         CACHE_COUNT = 500
43*c8dee2aaSAndroid Build Coastguard Worker     };
44*c8dee2aaSAndroid Build Coastguard Worker public:
ImageCacheBench()45*c8dee2aaSAndroid Build Coastguard Worker     ImageCacheBench()  : fCache(CACHE_COUNT * 100) {}
46*c8dee2aaSAndroid Build Coastguard Worker 
populateCache()47*c8dee2aaSAndroid Build Coastguard Worker     void populateCache() {
48*c8dee2aaSAndroid Build Coastguard Worker         for (int i = 0; i < CACHE_COUNT; ++i) {
49*c8dee2aaSAndroid Build Coastguard Worker             fCache.add(new TestRec(TestKey(i), i));
50*c8dee2aaSAndroid Build Coastguard Worker         }
51*c8dee2aaSAndroid Build Coastguard Worker     }
52*c8dee2aaSAndroid Build Coastguard Worker 
53*c8dee2aaSAndroid Build Coastguard Worker protected:
onGetName()54*c8dee2aaSAndroid Build Coastguard Worker     const char* onGetName() override {
55*c8dee2aaSAndroid Build Coastguard Worker         return "imagecache";
56*c8dee2aaSAndroid Build Coastguard Worker     }
57*c8dee2aaSAndroid Build Coastguard Worker 
onDraw(int loops,SkCanvas *)58*c8dee2aaSAndroid Build Coastguard Worker     void onDraw(int loops, SkCanvas*) override {
59*c8dee2aaSAndroid Build Coastguard Worker         if (fCache.getTotalBytesUsed() == 0) {
60*c8dee2aaSAndroid Build Coastguard Worker             this->populateCache();
61*c8dee2aaSAndroid Build Coastguard Worker         }
62*c8dee2aaSAndroid Build Coastguard Worker 
63*c8dee2aaSAndroid Build Coastguard Worker         TestKey key(-1);
64*c8dee2aaSAndroid Build Coastguard Worker         // search for a miss (-1)
65*c8dee2aaSAndroid Build Coastguard Worker         for (int i = 0; i < loops; ++i) {
66*c8dee2aaSAndroid Build Coastguard Worker             SkDEBUGCODE(bool found =) fCache.find(key, TestRec::Visitor, nullptr);
67*c8dee2aaSAndroid Build Coastguard Worker             SkASSERT(!found);
68*c8dee2aaSAndroid Build Coastguard Worker         }
69*c8dee2aaSAndroid Build Coastguard Worker     }
70*c8dee2aaSAndroid Build Coastguard Worker 
71*c8dee2aaSAndroid Build Coastguard Worker private:
72*c8dee2aaSAndroid Build Coastguard Worker     using INHERITED = Benchmark;
73*c8dee2aaSAndroid Build Coastguard Worker };
74*c8dee2aaSAndroid Build Coastguard Worker 
75*c8dee2aaSAndroid Build Coastguard Worker ///////////////////////////////////////////////////////////////////////////////
76*c8dee2aaSAndroid Build Coastguard Worker 
77*c8dee2aaSAndroid Build Coastguard Worker DEF_BENCH( return new ImageCacheBench(); )
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