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Make clock ratio configurable.

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Can be used to test effects of underclocking in real time.
This commit is contained in:
Jean-Philip Desjardins 2021-10-15 17:23:33 -04:00
parent d020c69d1e
commit 0fe80a2de4
5 changed files with 62 additions and 1 deletions
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5
Source/PS2VM.cpp
View file

@ -98,6 +98,7 @@ CPS2VM::CPS2VM()
m_OnCrtModeChangeConnection = m_ee->m_os->OnCrtModeChange.Connect(std::bind(&CPS2VM::OnCrtModeChange, this));
CAppConfig::GetInstance().RegisterPreferenceBoolean(PREF_PS2_LIMIT_FRAMERATE, true);
CAppConfig::GetInstance().RegisterPreferenceInteger(PREF_PS2_CLOCK_RATIO, 100);
ReloadFrameRateLimit();
CAppConfig::GetInstance().RegisterPreferenceInteger(PREF_AUDIO_SPUBLOCKCOUNT, 100);
@ -174,7 +175,9 @@ void CPS2VM::ReloadFrameRateLimit()
bool limitFrameRate = CAppConfig::GetInstance().GetPreferenceBoolean(PREF_PS2_LIMIT_FRAMERATE);
m_frameLimiter.SetFrameRate(limitFrameRate ? frameRate : 0);
uint32 frameTicks = PS2::EE_CLOCK_FREQ / frameRate;
uint32 clockRatio = CAppConfig::GetInstance().GetPreferenceInteger(PREF_PS2_CLOCK_RATIO);
uint32 frameTicks = (PS2::EE_CLOCK_FREQ / frameRate);
frameTicks = (frameTicks * clockRatio) / 100;
m_onScreenTicksTotal = frameTicks * 9 / 10;
m_vblankTicksTotal = frameTicks / 10;
}

1
Source/PS2VM_Preferences.h
View file

@ -9,6 +9,7 @@
#define PREF_PS2_HDD_DIRECTORY ("ps2.hdd.directory")
#define PREF_PS2_LIMIT_FRAMERATE ("ps2.limitframerate")
#define PREF_PS2_CLOCK_RATIO ("ps2.clockratio")
#define PREF_AUDIO_SPUBLOCKCOUNT ("audio.spublockcount")

36
Source/ui_qt/Qt_ui/settingsdialog.ui
View file

@ -188,6 +188,42 @@
</item>
</widget>
</item>
<item>
<widget class="QLabel" name="label_8">
<property name="text">
<string>Clock Ratio:</string>
</property>
</widget>
</item>
<item>
<widget class="QComboBox" name="comboBox_clock_ratio">
<item>
<property name="text">
<string>100%</string>
</property>
</item>
<item>
<property name="text">
<string>75%</string>
</property>
</item>
<item>
<property name="text">
<string>50%</string>
</property>
</item>
<item>
<property name="text">
<string>25%</string>
</property>
</item>
<item>
<property name="text">
<string>10%</string>
</property>
</item>
</widget>
</item>
<item>
<widget class="QCheckBox" name="checkBox_limitFrameRate">
<property name="text">

20
Source/ui_qt/settingsdialog.cpp
View file

@ -2,6 +2,7 @@
#include "ui_settingsdialog.h"
#include "PS2VM_Preferences.h"
#include "PreferenceDefs.h"
#include "string_format.h"
#include "../gs/GSH_OpenGL/GSH_OpenGL.h"
#include <cassert>
#include <cmath>
@ -81,6 +82,17 @@ void SettingsDialog::LoadPreferences()
ui->comboBox_system_language->setCurrentIndex(CAppConfig::GetInstance().GetPreferenceInteger(PREF_SYSTEM_LANGUAGE));
ui->checkBox_limitFrameRate->setChecked(CAppConfig::GetInstance().GetPreferenceBoolean(PREF_PS2_LIMIT_FRAMERATE));
{
std::string clockRatioString = string_format("%d%%", CAppConfig::GetInstance().GetPreferenceInteger(PREF_PS2_CLOCK_RATIO));
int index = ui->comboBox_clock_ratio->findText(clockRatioString.c_str());
//If ratio not found, just use the first entry
if(index == -1)
{
index = 0;
}
ui->comboBox_clock_ratio->setCurrentIndex(index);
}
int factor = CAppConfig::GetInstance().GetPreferenceInteger(PREF_CGSH_OPENGL_RESOLUTION_FACTOR);
int factor_index = std::log2(factor);
ui->comboBox_res_multiplyer->setCurrentIndex(factor_index);
@ -100,6 +112,14 @@ void SettingsDialog::on_comboBox_system_language_currentIndexChanged(int index)
CAppConfig::GetInstance().SetPreferenceInteger(PREF_SYSTEM_LANGUAGE, index);
}
void SettingsDialog::on_comboBox_clock_ratio_currentIndexChanged(int index)
{
auto itemText = ui->comboBox_clock_ratio->itemText(index);
int ratio = 100;
sscanf(itemText.toStdString().c_str(), "%d%%", &ratio);
CAppConfig::GetInstance().SetPreferenceInteger(PREF_PS2_CLOCK_RATIO, ratio);
}
void SettingsDialog::on_checkBox_limitFrameRate_clicked(bool checked)
{
CAppConfig::GetInstance().SetPreferenceBoolean(PREF_PS2_LIMIT_FRAMERATE, checked);

1
Source/ui_qt/settingsdialog.h
View file

@ -34,6 +34,7 @@ private slots:
//General Page
void on_comboBox_system_language_currentIndexChanged(int index);
void on_comboBox_clock_ratio_currentIndexChanged(int index);
void on_checkBox_limitFrameRate_clicked(bool checked);
//Video Page