65 lines
981 B
C++
65 lines
981 B
C++
#ifndef RENDERCACHE_H
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#define RENDERCACHE_H
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#include <QMap>
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#include <QMutex>
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template<class K, class V>
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class RenderCache
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{
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public:
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RenderCache() = default;
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void Clear(){values_.clear();}
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void Add(K key, V val){values_.insert(key, val);}
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V Get(K key) const {return values_.value(key);}
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bool Has(K key) const {return values_.contains(key);}
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private:
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QHash<K, V> values_;
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};
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template<class K, class V>
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class ThreadSafeRenderCache
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{
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public:
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ThreadSafeRenderCache() = default;
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void Clear() {
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lock_.lock();
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values_.clear();
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lock_.unlock();
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}
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void Add(K key, V val) {
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lock_.lock();
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values_.insert(key, val);
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lock_.unlock();
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}
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V Get(K key) {
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lock_.lock();
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V val = values_.value(key);
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lock_.unlock();
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return val;
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}
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bool Has(K key) {
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lock_.lock();
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bool has = values_.contains(key);
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lock_.unlock();
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return has;
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}
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private:
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QHash<K, V> values_;
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QMutex lock_;
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};
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#endif // RENDERCACHE_H
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