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#pragma once
#include <mutex>
namespace dxvk {
/**
* \brief Lazy-initialized object
*
* Creates an object on demand with
* the given constructor arguments.
*/
template<typename T>
class Lazy {
public:
template<typename... Args>
T& get(Args... args) {
if (m_object)
return *m_object;
std::lock_guard lock(m_mutex);
if (!m_object) {
m_object = std::make_unique<T>(
std::forward<Args>(args)...);
}
return *m_object;
}
private:
dxvk::mutex m_mutex;
std::unique_ptr<T> m_object;
};
}
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