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(wall, native)_clock: Rework NativeClock

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Morph 2023-04-22 23:08:28 -04:00
parent dd12dd4c67
commit 1492a65454
5 changed files with 94 additions and 259 deletions
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5
src/common/steady_clock.cpp
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@ -28,13 +28,12 @@ static s64 GetSystemTimeNS() {
// GetSystemTimePreciseAsFileTime returns the file time in 100ns units.
static constexpr s64 Multiplier = 100;
// Convert Windows epoch to Unix epoch.
static constexpr s64 WindowsEpochToUnixEpochNS = 0x19DB1DED53E8000LL;
static constexpr s64 WindowsEpochToUnixEpoch = 0x19DB1DED53E8000LL;
FILETIME filetime;
GetSystemTimePreciseAsFileTime(&filetime);
return Multiplier * ((static_cast<s64>(filetime.dwHighDateTime) << 32) +
static_cast<s64>(filetime.dwLowDateTime)) -
WindowsEpochToUnixEpochNS;
static_cast<s64>(filetime.dwLowDateTime) - WindowsEpochToUnixEpoch);
}
#endif