mirror of https://github.com/doitsujin/dxvk
44 lines
568 B
C++
44 lines
568 B
C++
#pragma once
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#include "rc/util_rc_ptr.h"
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#include "thread.h"
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namespace dxvk {
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/**
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* \brief Singleton helper
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*
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* Class that manages a dynamically created
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*/
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template<typename T>
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class Singleton {
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public:
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Rc<T> acquire() {
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std::lock_guard lock(m_mutex);
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if (!(m_useCount++))
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m_object = new T();
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return m_object;
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}
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void release() {
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std::lock_guard lock(m_mutex);
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if (!(--m_useCount))
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m_object = nullptr;
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}
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private:
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dxvk::mutex m_mutex;
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size_t m_useCount = 0;
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Rc<T> m_object = nullptr;;
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};
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}
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