yuzu/src/common/x64/native_clock.h
ReinUsesLisp 771a9c21cc common/wall_clock: Add virtual destructors
From -fsanitize=address, this code wasn't calling the proper destructor.
Adding virtual destructors for each inherited class and the base class
fixes this bug.

While we are at it, mark the functions as final.
2020-09-30 02:53:34 -03:00

48 lines
1.1 KiB
C++

// Copyright 2020 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <optional>
#include "common/spin_lock.h"
#include "common/wall_clock.h"
namespace Common {
namespace X64 {
class NativeClock final : public WallClock {
public:
NativeClock(u64 emulated_cpu_frequency, u64 emulated_clock_frequency, u64 rtsc_frequency);
std::chrono::nanoseconds GetTimeNS() override;
std::chrono::microseconds GetTimeUS() override;
std::chrono::milliseconds GetTimeMS() override;
u64 GetClockCycles() override;
u64 GetCPUCycles() override;
void Pause(bool is_paused) override;
private:
u64 GetRTSC();
/// value used to reduce the native clocks accuracy as some apss rely on
/// undefined behavior where the level of accuracy in the clock shouldn't
/// be higher.
static constexpr u64 inaccuracy_mask = ~(0x400 - 1);
SpinLock rtsc_serialize{};
u64 last_measure{};
u64 accumulated_ticks{};
u64 rtsc_frequency;
};
} // namespace X64
u64 EstimateRDTSCFrequency();
} // namespace Common