project64/Source/Project64/User Interface/Frame Per Second Class.cpp

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2012-12-19 09:30:18 +00:00
/****************************************************************************
* *
* Project 64 - A Nintendo 64 emulator. *
* http://www.pj64-emu.com/ *
* Copyright (C) 2012 Project64. All rights reserved. *
* *
* License: *
* GNU/GPLv2 http://www.gnu.org/licenses/gpl-2.0.html *
* *
****************************************************************************/
#include "stdafx.h"
CFramePerSecond::CFramePerSecond (CNotification * Notification):
g_Notify(Notification)
{
m_iFrameRateType = g_Settings->LoadDword(UserInterface_FrameDisplayType);
m_ScreenHertz = g_Settings->LoadDword(GameRunning_ScreenHertz);
g_Settings->RegisterChangeCB(UserInterface_FrameDisplayType,this,(CSettings::SettingChangedFunc)FrameRateTypeChanged);
g_Settings->RegisterChangeCB(GameRunning_ScreenHertz,this,(CSettings::SettingChangedFunc)ScreenHertzChanged);
if (m_ScreenHertz == 0)
{
m_ScreenHertz = 60;
}
LARGE_INTEGER Freq;
QueryPerformanceFrequency(&Freq);
Frequency = Freq.QuadPart;
Reset(true);
}
CFramePerSecond::~CFramePerSecond()
{
g_Settings->UnregisterChangeCB(UserInterface_FrameDisplayType,this,(CSettings::SettingChangedFunc)FrameRateTypeChanged);
g_Settings->UnregisterChangeCB(GameRunning_ScreenHertz,this,(CSettings::SettingChangedFunc)ScreenHertzChanged);
}
void CFramePerSecond::Reset (bool ClearDisplay)
{
CurrentFrame = 0;
LastFrame = 0;
for (int count = 0; count < NoOfFrames; count ++)
{
Frames[count] = 0;
}
if (ClearDisplay)
{
g_Notify->DisplayMessage2(L"");
return;
}
if (m_iFrameRateType == FR_VIs)
{
DisplayViCounter(0);
}
}
void CFramePerSecond::UpdateViCounter ( void )
{
if (m_iFrameRateType != FR_VIs && m_iFrameRateType != FR_PERCENT)
{
return;
}
if ((CurrentFrame & 7) == 0) {
LARGE_INTEGER Time;
QueryPerformanceCounter(&Time);
Frames[(CurrentFrame >> 3) % NoOfFrames] = Time.QuadPart - LastFrame;
LastFrame = Time.QuadPart;
DisplayViCounter(0);
}
CurrentFrame += 1;
}
void CFramePerSecond::DisplayViCounter(DWORD FrameRate)
{
if (m_iFrameRateType == FR_VIs)
{
if (FrameRate != 0)
{
g_Notify->DisplayMessage2(L"VI/s: %d.00", FrameRate);
}
else
{
if (CurrentFrame > (NoOfFrames << 3))
{
__int64 Total;
Total = 0;
for (int count = 0; count < NoOfFrames; count ++)
{
Total += Frames[count];
}
g_Notify->DisplayMessage2(L"VI/s: %.2f", Frequency/ ((double)Total / (NoOfFrames << 3)));
}
else
{
g_Notify->DisplayMessage2(L"VI/s: -.--");
}
}
}
if (m_iFrameRateType == FR_PERCENT)
{
float Percent;
if (FrameRate != 0)
{
Percent = ((float)FrameRate) / m_ScreenHertz;
}
else
{
if (CurrentFrame > (NoOfFrames << 3))
{
__int64 Total;
Total = 0;
for (int count = 0; count < NoOfFrames; count ++)
{
Total += Frames[count];
}
Percent = ((float)(Frequency/ ((double)Total / (NoOfFrames << 3)))) / m_ScreenHertz;
}
else
{
g_Notify->DisplayMessage2(L"");
return;
}
}
g_Notify->DisplayMessage2(L"%.1f %%",Percent * 100);
}
}
void CFramePerSecond::FrameRateTypeChanged (CFramePerSecond * _this)
{
_this->m_iFrameRateType = g_Settings->LoadDword(UserInterface_FrameDisplayType);
_this->Reset(true);
}
void CFramePerSecond::ScreenHertzChanged (CFramePerSecond * _this)
{
_this->m_ScreenHertz = g_Settings->LoadDword(GameRunning_ScreenHertz);
_this->Reset(true);
}
void CFramePerSecond::UpdateDlCounter ( void )
{
if (m_iFrameRateType != FR_DLs)
{
return;
}
if ((CurrentFrame & 3) == 0) {
LARGE_INTEGER Time;
QueryPerformanceCounter(&Time);
Frames[(CurrentFrame >> 2) % NoOfFrames] = Time.QuadPart - LastFrame;
LastFrame = Time.QuadPart;
DisplayDlCounter(0);
}
CurrentFrame += 1;
}
void CFramePerSecond::DisplayDlCounter(DWORD FrameRate) {
if (m_iFrameRateType != FR_DLs)
{
return;
}
if (FrameRate != 0) {
g_Notify->DisplayMessage2(L"DL/s: %d.00", FrameRate);
} else {
if (CurrentFrame > (NoOfFrames << 2)) {
__int64 Total;
Total = 0;
for (int count = 0; count < NoOfFrames; count ++) {
Total += Frames[count];
}
g_Notify->DisplayMessage2(L"DL/s: %.1f", Frequency/ ((double)Total / (NoOfFrames << 2)));
} else {
g_Notify->DisplayMessage2(L"DL/s: -.--");
}
}
}