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linux timer implementation

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This commit is contained in:
georgemoralis 2023-09-29 17:15:32 +03:00
parent f52b0ad01d
commit 42a73fad81
1 changed files with 21 additions and 8 deletions
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29
src/Lib/Timer.cpp
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@ -2,6 +2,8 @@
#ifdef _WIN64
#include <windows.h>
#else
#include <ctime>
#endif
Lib::Timer::Timer() {
@ -10,7 +12,7 @@ Lib::Timer::Timer() {
QueryPerformanceFrequency(&f);
m_Frequency = f.QuadPart;
#else
#error Unimplemented Timer constructor
m_Frequency = 1000000000LL;
#endif
}
@ -20,7 +22,9 @@ void Lib::Timer::Start() {
QueryPerformanceCounter(&c);
m_StartTime = c.QuadPart;
#else
#error Unimplemented Timer::Start()
struct timespec now {};
clock_gettime(CLOCK_MONOTONIC, &now);
m_StartTime = now.tv_sec* 1000000000LL + now.tv_nse
#endif
m_is_timer_paused = false;
}
@ -31,7 +35,9 @@ void Lib::Timer::Pause() {
QueryPerformanceCounter(&c);
m_PauseTime = c.QuadPart;
#else
#error Unimplemented Timer::Pause()
struct timespec now {};
clock_gettime(CLOCK_MONOTONIC, &now);
m_PauseTime = now.tv_sec* 1000000000LL + now.tv_nse
#endif
m_is_timer_paused = true;
}
@ -43,7 +49,9 @@ void Lib::Timer::Resume() {
QueryPerformanceCounter(&c);
current_time = c.QuadPart;
#else
#error Unimplemented Timer::Resume()
struct timespec now {};
clock_gettime(CLOCK_MONOTONIC, &now);
current_time = now.tv_sec* 1000000000LL + now.tv_nse
#endif
m_StartTime += current_time - m_PauseTime;
m_is_timer_paused = false;
@ -62,7 +70,9 @@ double Lib::Timer::GetTimeMsec() const {
QueryPerformanceCounter(&c);
current_time = c.QuadPart;
#else
#error Unimplemented Timer::GetTimeMsec()
struct timespec now {};
clock_gettime(CLOCK_MONOTONIC, &now);
current_time = now.tv_sec * 1000000000LL + now.tv_nse
#endif
return 1000.0 * (static_cast<double>(current_time - m_StartTime)) / static_cast<double>(m_Frequency);
}
@ -78,7 +88,9 @@ double Lib::Timer::GetTimeSec() const {
QueryPerformanceCounter(&c);
current_time = c.QuadPart;
#else
#error Unimplemented Timer::GetTimeSec()
struct timespec now {};
clock_gettime(CLOCK_MONOTONIC, &now);
current_time = now.tv_sec * 1000000000LL + now.tv_nse
#endif
return (static_cast<double>(current_time - m_StartTime)) / static_cast<double>(m_Frequency);
}
@ -94,10 +106,11 @@ u64 Lib::Timer::GetTicks() const {
QueryPerformanceCounter(&c);
current_time = c.QuadPart;
#else
#error Unimplemented Timer::GetTicks()
struct timespec now {};
clock_gettime(CLOCK_MONOTONIC, &now);
current_time = now.tv_sec * 1000000000LL + now.tv_nse
#endif
return (current_time - m_StartTime);
}
u64 Lib::Timer::GetFrequency() const { return m_Frequency; }