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// 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:
/// Returns current wall time in nanoseconds
virtual std::chrono::nanoseconds GetTimeNS() = 0;
/// Returns current wall time in microseconds
virtual std::chrono::microseconds GetTimeUS() = 0;
/// Returns current wall time in milliseconds
virtual std::chrono::milliseconds GetTimeMS() = 0;
/// Returns current wall time in emulated clock cycles
virtual u64 GetClockCycles() = 0;
/// Returns current wall time in emulated cpu cycles
virtual u64 GetCPUCycles() = 0;
virtual void Pause(bool is_paused) = 0;
/// Tells if the wall clock, uses the host CPU's hardware clock
bool IsNative() const {
return is_native;
}
protected:
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;
};
std::unique_ptr<WallClock> CreateBestMatchingClock(u32 emulated_cpu_frequency,
u32 emulated_clock_frequency);
} // namespace Common
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