Qt configs: Make thread-safe, properly update audio enable & renderdoc settings

include/emulator.hpp

@@ -118,6 +118,9 @@ class Emulator {
 	void setOutputSize(u32 width, u32 height) { gpu.setOutputSize(width, height); }
 	void deinitGraphicsContext() { gpu.deinitGraphicsContext(); }
 
+	// Reloads some settings that require special handling, such as audio enable
+	void reloadSettings();
+
 	EmulatorConfig& getConfig() { return config; }
 	Cheats& getCheats() { return cheats; }
 	ServiceManager& getServiceManager() { return kernel.getServiceManager(); }

include/panda_qt/config_window.hpp

@@ -20,6 +20,8 @@ class ConfigWindow : public QDialog {
 	Q_OBJECT
 
   private:
+	using ConfigCallback = std::function<void()>;
+
 	enum class Theme : int {
 		System = 0,
 		Light = 1,
@@ -36,13 +38,20 @@ class ConfigWindow : public QDialog {
 	static constexpr size_t settingWidgetCount = 6;
 	std::array<QString, settingWidgetCount> helpTexts;
 
+	// The config class holds a copy of the emulator config which it edits and sends
+	// over to the emulator in a thread-safe manner
+	EmulatorConfig config;
+	ConfigCallback updateConfig;
+
 	void addWidget(QWidget* widget, QString title, QString icon, QString helpText);
 	void setTheme(Theme theme);
 
   public:
-	ConfigWindow(Emulator* emu, QWidget* parent = nullptr);
+	ConfigWindow(ConfigCallback callback, const EmulatorConfig& config, QWidget* parent = nullptr);
 	~ConfigWindow();
 
+	EmulatorConfig& getConfig() { return config; }
+
   private:
 	Emulator* emu;
 };

include/panda_qt/main_window.hpp

@@ -51,6 +51,7 @@ class MainWindow : public QMainWindow {
 		ReleaseTouchscreen,
 		ReloadUbershader,
 		SetScreenSize,
+		UpdateConfig,
 	};
 
 	// Tagged union representing our message queue messages

include/renderdoc.hpp

@@ -23,6 +23,9 @@ namespace Renderdoc {
 	// Sets output directory for captures
 	void setOutputDir(const std::string& path, const std::string& prefix);
 
+	// Returns whether Renderdoc has been loaded
+	bool isLoaded();
+
 	// Returns whether we've compiled with Renderdoc support
 	static constexpr bool isSupported() { return true; }
 }  // namespace Renderdoc
@@ -34,6 +37,7 @@ namespace Renderdoc {
 	static void triggerCapture() { Helpers::panic("Tried to trigger a Renderdoc capture while support for renderdoc is disabled"); }
 	static void setOutputDir(const std::string& path, const std::string& prefix) {}
 	static constexpr bool isSupported() { return false; }
+	static constexpr bool isLoaded() { return false; }
 }  // namespace Renderdoc
 #endif
 

src/emulator.cpp

@@ -444,3 +444,11 @@ void Emulator::loadRenderdoc() {
 	Renderdoc::loadRenderdoc();
 	Renderdoc::setOutputDir(capturePath, "");
 }
+
+void Emulator::reloadSettings() {
+	setAudioEnabled(config.audioEnabled);
+
+	if (Renderdoc::isSupported() && config.enableRenderdoc && !Renderdoc::isLoaded()) {
+		loadRenderdoc();
+	}
+}

src/panda_qt/config_window.cpp

@@ -1,9 +1,8 @@
 #include "panda_qt/config_window.hpp"
 
-ConfigWindow::ConfigWindow(Emulator* emu, QWidget* parent) : QDialog(parent), emu(emu) {
+ConfigWindow::ConfigWindow(ConfigCallback callback, const EmulatorConfig& emuConfig, QWidget* parent) : QDialog(parent), config(emuConfig) {
 	setWindowTitle(tr("Configuration"));
-
-	EmulatorConfig& config = emu->getConfig();
+	updateConfig = std::move(callback);
 
 	// Set up theme selection
 	setTheme(Theme::Dark);
@@ -65,7 +64,7 @@ ConfigWindow::ConfigWindow(Emulator* emu, QWidget* parent) : QDialog(parent), em
 	showAppVersion->setChecked(config.windowSettings.showAppVersion);
 	connect(showAppVersion, &QCheckBox::toggled, this, [&](bool checked) {
 		config.windowSettings.showAppVersion = checked;
-		config.save();
+		updateConfig();
 	});
 	guiLayout->addRow(showAppVersion);
 
@@ -73,7 +72,7 @@ ConfigWindow::ConfigWindow(Emulator* emu, QWidget* parent) : QDialog(parent), em
 	rememberPosition->setChecked(config.windowSettings.rememberPosition);
 	connect(rememberPosition, &QCheckBox::toggled, this, [&](bool checked) {
 		config.windowSettings.rememberPosition = checked;
-		config.save();
+		updateConfig();
 	});
 	guiLayout->addRow(rememberPosition);
 
@@ -87,7 +86,7 @@ ConfigWindow::ConfigWindow(Emulator* emu, QWidget* parent) : QDialog(parent), em
 	defaultRomPath->setText(QString::fromStdU16String(config.defaultRomPath.u16string()));
 	connect(defaultRomPath, &QLineEdit::textChanged, this, [&](const QString &text) {
 		config.defaultRomPath = text.toStdString();
-		config.save();
+		updateConfig();
 	});
 	QPushButton* browseRomPath = new QPushButton(tr("Browse..."));
 	browseRomPath->setAutoDefault(false);
@@ -110,7 +109,7 @@ ConfigWindow::ConfigWindow(Emulator* emu, QWidget* parent) : QDialog(parent), em
 	discordRpcEnabled->setChecked(config.discordRpcEnabled);
 	connect(discordRpcEnabled, &QCheckBox::toggled, this, [&](bool checked) {
 		config.discordRpcEnabled = checked;
-		config.save();
+		updateConfig();
 	});
 	genLayout->addRow(discordRpcEnabled);
 
@@ -118,7 +117,7 @@ ConfigWindow::ConfigWindow(Emulator* emu, QWidget* parent) : QDialog(parent), em
 	usePortableBuild->setChecked(config.usePortableBuild);
 	connect(usePortableBuild, &QCheckBox::toggled, this, [&](bool checked) {
 		config.usePortableBuild = checked;
-		config.save();
+		updateConfig();
 	});
 	genLayout->addRow(usePortableBuild);
 
@@ -126,7 +125,7 @@ ConfigWindow::ConfigWindow(Emulator* emu, QWidget* parent) : QDialog(parent), em
 	printAppVersion->setChecked(config.printAppVersion);
 	connect(printAppVersion, &QCheckBox::toggled, this, [&](bool checked) {
 		config.printAppVersion = checked;
-		config.save();
+		updateConfig();
 	});
 	genLayout->addRow(printAppVersion);
 
@@ -143,7 +142,7 @@ ConfigWindow::ConfigWindow(Emulator* emu, QWidget* parent) : QDialog(parent), em
 	rendererType->setCurrentIndex(static_cast<int>(config.rendererType));
 	connect(rendererType, &QComboBox::currentIndexChanged, this, [&](int index) {
 		config.rendererType = static_cast<RendererType>(index);
-		config.save();
+		updateConfig();
 	});
 	gpuLayout->addRow(tr("GPU renderer"), rendererType);
 
@@ -151,7 +150,7 @@ ConfigWindow::ConfigWindow(Emulator* emu, QWidget* parent) : QDialog(parent), em
 	enableRenderdoc->setChecked(config.enableRenderdoc);
 	connect(enableRenderdoc, &QCheckBox::toggled, this, [&](bool checked) {
 		config.enableRenderdoc = checked;
-		config.save();
+		updateConfig();
 	});
 	gpuLayout->addRow(enableRenderdoc);
 
@@ -159,7 +158,7 @@ ConfigWindow::ConfigWindow(Emulator* emu, QWidget* parent) : QDialog(parent), em
 	shaderJitEnabled->setChecked(config.shaderJitEnabled);
 	connect(shaderJitEnabled, &QCheckBox::toggled, this, [&](bool checked) {
 		config.shaderJitEnabled = checked;
-		config.save();
+		updateConfig();
 	});
 	gpuLayout->addRow(shaderJitEnabled);
 
@@ -167,7 +166,7 @@ ConfigWindow::ConfigWindow(Emulator* emu, QWidget* parent) : QDialog(parent), em
 	vsyncEnabled->setChecked(config.vsyncEnabled);
 	connect(vsyncEnabled, &QCheckBox::toggled, this, [&](bool checked) {
 		config.vsyncEnabled = checked;
-		config.save();
+		updateConfig();
 	});
 	gpuLayout->addRow(vsyncEnabled);
 
@@ -175,7 +174,7 @@ ConfigWindow::ConfigWindow(Emulator* emu, QWidget* parent) : QDialog(parent), em
 	useUbershaders->setChecked(config.useUbershaders);
 	connect(useUbershaders, &QCheckBox::toggled, this, [&](bool checked) {
 		config.useUbershaders = checked;
-		config.save();
+		updateConfig();
 	});
 	gpuLayout->addRow(useUbershaders);
 
@@ -183,7 +182,7 @@ ConfigWindow::ConfigWindow(Emulator* emu, QWidget* parent) : QDialog(parent), em
 	accurateShaderMul->setChecked(config.accurateShaderMul);
 	connect(accurateShaderMul, &QCheckBox::toggled, this, [&](bool checked) {
 		config.accurateShaderMul = checked;
-		config.save();
+		updateConfig();
 	});
 	gpuLayout->addRow(accurateShaderMul);
 
@@ -191,14 +190,14 @@ ConfigWindow::ConfigWindow(Emulator* emu, QWidget* parent) : QDialog(parent), em
 	accelerateShaders->setChecked(config.accelerateShaders);
 	connect(accelerateShaders, &QCheckBox::toggled, this, [&](bool checked) {
 		config.accelerateShaders = checked;
-		config.save();
+		updateConfig();
 	});
 	gpuLayout->addRow(accelerateShaders);
 
 	QCheckBox* forceShadergenForLights = new QCheckBox(tr("Force shadergen when rendering lights"));
 	connect(forceShadergenForLights, &QCheckBox::toggled, this, [&](bool checked) {
 		config.forceShadergenForLights = checked;
-		config.save();
+		updateConfig();
 	});
 	gpuLayout->addRow(forceShadergenForLights);
 
@@ -207,7 +206,7 @@ ConfigWindow::ConfigWindow(Emulator* emu, QWidget* parent) : QDialog(parent), em
 	lightShadergenThreshold->setValue(config.lightShadergenThreshold);
 	connect(lightShadergenThreshold, &QSpinBox::valueChanged, this, [&](int value) {
 		config.lightShadergenThreshold = static_cast<int>(value);
-		config.save();
+		updateConfig();
 	});
 	gpuLayout->addRow(tr("Light threshold for forcing shadergen"), lightShadergenThreshold);
 
@@ -224,7 +223,7 @@ ConfigWindow::ConfigWindow(Emulator* emu, QWidget* parent) : QDialog(parent), em
 	dspType->setCurrentIndex(static_cast<int>(config.dspType));
 	connect(dspType, &QComboBox::currentIndexChanged, this, [&](int index) {
 		config.dspType = static_cast<Audio::DSPCore::Type>(index);
-		config.save();
+		updateConfig();
 	});
 	spuLayout->addRow(tr("DSP emulation"), dspType);
 
@@ -232,7 +231,7 @@ ConfigWindow::ConfigWindow(Emulator* emu, QWidget* parent) : QDialog(parent), em
 	audioEnabled->setChecked(config.audioEnabled);
 	connect(audioEnabled, &QCheckBox::toggled, this, [&](bool checked) {
 		config.audioEnabled = checked;
-		config.save();
+		updateConfig();
 	});
 	spuLayout->addRow(audioEnabled);
 
@@ -240,7 +239,7 @@ ConfigWindow::ConfigWindow(Emulator* emu, QWidget* parent) : QDialog(parent), em
 	aacEnabled->setChecked(config.aacEnabled);
 	connect(aacEnabled, &QCheckBox::toggled, this, [&](bool checked) {
 		config.aacEnabled = checked;
-		config.save();
+		updateConfig();
 	});
 	spuLayout->addRow(aacEnabled);
 
@@ -248,7 +247,7 @@ ConfigWindow::ConfigWindow(Emulator* emu, QWidget* parent) : QDialog(parent), em
 	printDSPFirmware->setChecked(config.printDSPFirmware);
 	connect(printDSPFirmware, &QCheckBox::toggled, this, [&](bool checked) {
 		config.printDSPFirmware = checked;
-		config.save();
+		updateConfig();
 	});
 	spuLayout->addRow(printDSPFirmware);
 
@@ -256,7 +255,7 @@ ConfigWindow::ConfigWindow(Emulator* emu, QWidget* parent) : QDialog(parent), em
 	muteAudio->setChecked(config.audioDeviceConfig.muteAudio);
 	connect(muteAudio, &QCheckBox::toggled, this, [&](bool checked) {
 		config.audioDeviceConfig.muteAudio = checked;
-		config.save();
+		updateConfig();
 	});
 	spuLayout->addRow(muteAudio);
 
@@ -265,7 +264,7 @@ ConfigWindow::ConfigWindow(Emulator* emu, QWidget* parent) : QDialog(parent), em
 	volumeRaw->setValue(config.audioDeviceConfig.volumeRaw*  100);
 	connect(volumeRaw, &QSpinBox::valueChanged, this, [&](int value) {
 		config.audioDeviceConfig.volumeRaw = static_cast<float>(value) / 100.0f;
-		config.save();
+		updateConfig();
 	});
 	spuLayout->addRow(tr("Audio device volume"), volumeRaw);
 
@@ -280,7 +279,7 @@ ConfigWindow::ConfigWindow(Emulator* emu, QWidget* parent) : QDialog(parent), em
 	batteryPercentage->setValue(config.batteryPercentage);
 	connect(batteryPercentage, &QSpinBox::valueChanged, this, [&](int value) {
 		config.batteryPercentage = static_cast<int>(value);
-		config.save();
+		updateConfig();
 	});
 	batLayout->addRow(tr("Battery percentage"), batteryPercentage);
 
@@ -288,7 +287,7 @@ ConfigWindow::ConfigWindow(Emulator* emu, QWidget* parent) : QDialog(parent), em
 	chargerPlugged->setChecked(config.chargerPlugged);
 	connect(chargerPlugged, &QCheckBox::toggled, this, [&](bool checked) {
 		config.chargerPlugged = checked;
-		config.save();
+		updateConfig();
 	});
 	batLayout->addRow(chargerPlugged);
 
@@ -302,7 +301,7 @@ ConfigWindow::ConfigWindow(Emulator* emu, QWidget* parent) : QDialog(parent), em
 	sdCardInserted->setChecked(config.sdCardInserted);
 	connect(sdCardInserted, &QCheckBox::toggled, this, [&](bool checked) {
 		config.sdCardInserted = checked;
-		config.save();
+		updateConfig();
 	});
 	sdcLayout->addRow(sdCardInserted);
 
@@ -310,7 +309,7 @@ ConfigWindow::ConfigWindow(Emulator* emu, QWidget* parent) : QDialog(parent), em
 	sdWriteProtected->setChecked(config.sdWriteProtected);
 	connect(sdWriteProtected, &QCheckBox::toggled, this, [&](bool checked) {
 		config.sdWriteProtected = checked;
-		config.save();
+		updateConfig();
 	});
 	sdcLayout->addRow(sdWriteProtected);
 

src/panda_qt/main_window.cpp

@@ -81,7 +81,6 @@ MainWindow::MainWindow(QApplication* app, QWidget* parent) : QMainWindow(parent)
 
 	// Set up misc objects
 	aboutWindow = new AboutWindow(nullptr);
-	configWindow = new ConfigWindow(emu, this);
 	cheatsEditor = new CheatsWindow(emu, {}, this);
 	patchWindow = new PatchWindow(this);
 	luaEditor = new TextEditorWindow(this, "script.lua", "");
@@ -92,6 +91,14 @@ MainWindow::MainWindow(QApplication* app, QWidget* parent) : QMainWindow(parent)
 		shaderEditor->setText(emu->getRenderer()->getUbershader());
 	}
 
+	configWindow = new ConfigWindow(
+		[&]() {
+			EmulatorMessage message{.type = MessageType::UpdateConfig};
+			sendMessage(message);
+		},
+		emu->getConfig(), this
+	);
+
 	auto args = QCoreApplication::arguments();
 	if (args.size() > 1) {
 		auto romPath = std::filesystem::current_path() / args.at(1).toStdU16String();
@@ -410,6 +417,11 @@ void MainWindow::dispatchMessage(const EmulatorMessage& message) {
 			screen->resizeSurface(width, height);
 			break;
 		}
+
+		case MessageType::UpdateConfig:
+			emu->getConfig() = configWindow->getConfig();
+			emu->reloadSettings();
+			break;
 	}
 }
 

src/renderdoc.cpp

@@ -23,6 +23,8 @@ namespace Renderdoc {
 	};
 
 	static CaptureState captureState{CaptureState::Idle};
+	static bool renderdocLoaded{false};
+
 	RENDERDOC_API_1_6_0* rdocAPI{};
 
 	void loadRenderdoc() {
@@ -73,6 +75,8 @@ namespace Renderdoc {
 		}
 #endif
 		if (rdocAPI) {
+			renderdocLoaded = true;
+
 			// Disable default capture keys as they suppose to trigger present-to-present capturing
 			// and it is not what we want
 			rdocAPI->SetCaptureKeys(nullptr, 0);
@@ -115,5 +119,7 @@ namespace Renderdoc {
 			rdocAPI->SetCaptureFilePathTemplate((path + '\\' + prefix).c_str());
 		}
 	}
+
+	bool isLoaded() { return renderdocLoaded; }
 }  // namespace Renderdoc
 #endif