mirror of
https://git.suyu.dev/suyu/suyu
synced 2024-11-05 06:47:53 +00:00
59 lines
1.9 KiB
C++
59 lines
1.9 KiB
C++
// Copyright 2020 yuzu Emulator Project
|
|
// Licensed under GPLv2 or any later version
|
|
// Refer to the license.txt file included.
|
|
|
|
#pragma once
|
|
|
|
#include <chrono>
|
|
|
|
#include "common/common_types.h"
|
|
#include "core/hardware_properties.h"
|
|
|
|
namespace Core::Timing {
|
|
|
|
namespace detail {
|
|
constexpr u64 CNTFREQ_ADJUSTED = Hardware::CNTFREQ / 1000;
|
|
constexpr u64 BASE_CLOCK_RATE_ADJUSTED = Hardware::BASE_CLOCK_RATE / 1000;
|
|
} // namespace detail
|
|
|
|
[[nodiscard]] constexpr s64 msToCycles(std::chrono::milliseconds ms) {
|
|
return ms.count() * detail::BASE_CLOCK_RATE_ADJUSTED;
|
|
}
|
|
|
|
[[nodiscard]] constexpr s64 usToCycles(std::chrono::microseconds us) {
|
|
return us.count() * detail::BASE_CLOCK_RATE_ADJUSTED / 1000;
|
|
}
|
|
|
|
[[nodiscard]] constexpr s64 nsToCycles(std::chrono::nanoseconds ns) {
|
|
return ns.count() * detail::BASE_CLOCK_RATE_ADJUSTED / 1000000;
|
|
}
|
|
|
|
[[nodiscard]] constexpr u64 msToClockCycles(std::chrono::milliseconds ms) {
|
|
return static_cast<u64>(ms.count()) * detail::CNTFREQ_ADJUSTED;
|
|
}
|
|
|
|
[[nodiscard]] constexpr u64 usToClockCycles(std::chrono::microseconds us) {
|
|
return us.count() * detail::CNTFREQ_ADJUSTED / 1000;
|
|
}
|
|
|
|
[[nodiscard]] constexpr u64 nsToClockCycles(std::chrono::nanoseconds ns) {
|
|
return ns.count() * detail::CNTFREQ_ADJUSTED / 1000000;
|
|
}
|
|
|
|
[[nodiscard]] constexpr u64 CpuCyclesToClockCycles(u64 ticks) {
|
|
return ticks * detail::CNTFREQ_ADJUSTED / detail::BASE_CLOCK_RATE_ADJUSTED;
|
|
}
|
|
|
|
[[nodiscard]] constexpr std::chrono::milliseconds CyclesToMs(s64 cycles) {
|
|
return std::chrono::milliseconds(cycles / detail::BASE_CLOCK_RATE_ADJUSTED);
|
|
}
|
|
|
|
[[nodiscard]] constexpr std::chrono::nanoseconds CyclesToNs(s64 cycles) {
|
|
return std::chrono::nanoseconds(cycles * 1000000 / detail::BASE_CLOCK_RATE_ADJUSTED);
|
|
}
|
|
|
|
[[nodiscard]] constexpr std::chrono::microseconds CyclesToUs(s64 cycles) {
|
|
return std::chrono::microseconds(cycles * 1000 / detail::BASE_CLOCK_RATE_ADJUSTED);
|
|
}
|
|
|
|
} // namespace Core::Timing
|