// Copyright 2020 yuzu Emulator Project // Licensed under GPLv2 or any later version // Refer to the license.txt file included. #pragma once #include <chrono> #include <memory> #include "common/common_types.h" namespace Common { class WallClock { public: virtual ~WallClock() = default; /// Returns current wall time in nanoseconds [[nodiscard]] virtual std::chrono::nanoseconds GetTimeNS() = 0; /// Returns current wall time in microseconds [[nodiscard]] virtual std::chrono::microseconds GetTimeUS() = 0; /// Returns current wall time in milliseconds [[nodiscard]] virtual std::chrono::milliseconds GetTimeMS() = 0; /// Returns current wall time in emulated clock cycles [[nodiscard]] virtual u64 GetClockCycles() = 0; /// Returns current wall time in emulated cpu cycles [[nodiscard]] virtual u64 GetCPUCycles() = 0; virtual void Pause(bool is_paused) = 0; /// Tells if the wall clock, uses the host CPU's hardware clock [[nodiscard]] bool IsNative() const { return is_native; } protected: explicit WallClock(u64 emulated_cpu_frequency_, u64 emulated_clock_frequency_, bool is_native_) : emulated_cpu_frequency{emulated_cpu_frequency_}, emulated_clock_frequency{emulated_clock_frequency_}, is_native{is_native_} {} u64 emulated_cpu_frequency; u64 emulated_clock_frequency; private: bool is_native; }; [[nodiscard]] std::unique_ptr<WallClock> CreateBestMatchingClock(u32 emulated_cpu_frequency, u32 emulated_clock_frequency); } // namespace Common