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Refactoring: Port back some code changes from Mesen-S

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Sour 2020-02-15 14:27:36 -05:00
parent 1ebd943f3a
commit 42c1c76f43
3 changed files with 19 additions and 84 deletions
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2
Core/Profiler.cpp
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@ -7,7 +7,7 @@
#include "MemoryManager.h"
#include "MemoryDumper.h"
#include "DebuggerTypes.h"
#include "Cpu.h"
#include "CPU.h"
static constexpr int32_t ResetFunctionIndex = -1;

79
Utilities/Timer.cpp
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@ -1,69 +1,29 @@
#include "stdafx.h"
#include "Timer.h"
#ifndef LIBRETRO
#include <thread>
#include <chrono>
#ifdef _WIN32
#include <Windows.h>
using namespace std::chrono;
Timer::Timer()
{
LARGE_INTEGER li;
if(!QueryPerformanceFrequency(&li)) {
throw;
}
_frequency = double(li.QuadPart) / 1000.0;
QueryPerformanceCounter(&li);
_start = li.QuadPart;
}
void Timer::Reset()
{
LARGE_INTEGER li;
QueryPerformanceCounter(&li);
_start = li.QuadPart;
}
double Timer::GetElapsedMS()
{
LARGE_INTEGER li;
QueryPerformanceCounter(&li);
return double(li.QuadPart - _start) / _frequency;
}
#else
#include <time.h>
Timer::Timer()
Timer::Timer()
{
Reset();
}
void Timer::Reset()
{
timespec start;
clock_gettime(CLOCK_MONOTONIC, &start);
_start = start.tv_sec * 1000000000 + start.tv_nsec;
_start = high_resolution_clock::now();
}
double Timer::GetElapsedMS()
{
timespec end;
clock_gettime(CLOCK_MONOTONIC, &end);
uint64_t currentTime = end.tv_sec * 1000000000 + end.tv_nsec;
return (double)(currentTime - _start) / 1000000.0;
high_resolution_clock::time_point end = high_resolution_clock::now();
duration<double> span = duration_cast<duration<double>>(end - _start);
return span.count() * 1000.0;
}
#endif
void Timer::WaitUntil(double targetMillisecond)
void Timer::WaitUntil(double targetMillisecond)
{
if(targetMillisecond > 0) {
double elapsedTime = GetElapsedMS();
@ -72,26 +32,3 @@ void Timer::WaitUntil(double targetMillisecond)
}
}
}
#else
//This is not used by Libretro port, remove its dependencies
Timer::Timer()
{
}
void Timer::Reset()
{
}
double Timer::GetElapsedMS()
{
return 0.0;
}
void Timer::WaitUntil(double targetMillisecond)
{
}
#endif

22
Utilities/Timer.h
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@ -1,18 +1,16 @@
#pragma once
#include "stdafx.h"
#include <chrono>
using namespace std::chrono;
class Timer
{
private:
#ifndef LIBRETRO
#ifdef _WIN32
double _frequency = 0.0;
#endif
uint64_t _start;
#endif
public:
Timer();
void Reset();
double GetElapsedMS();
void WaitUntil(double targetMillisecond);
private:
high_resolution_clock::time_point _start;
public:
Timer();
void Reset();
double GetElapsedMS();
void WaitUntil(double targetMillisecond);
};