Qt: Combine EmuThread.cpp and QtHost.cpp

These mostly called back between one another.

pcsx2-qt/CMakeLists.txt

@@ -20,8 +20,6 @@ target_sources(pcsx2-qt PRIVATE
 	DisplayWidget.cpp
 	DisplayWidget.h
 	EarlyHardwareCheck.cpp
-	EmuThread.cpp
-	EmuThread.h
 	MainWindow.cpp
 	MainWindow.h
 	MainWindow.ui

pcsx2-qt/DisplayWidget.cpp

@@ -20,7 +20,6 @@
 #include "pcsx2/Frontend/ImGuiManager.h"
 
 #include "DisplayWidget.h"
-#include "EmuThread.h"
 #include "MainWindow.h"
 #include "QtHost.h"
 #include "QtUtils.h"

pcsx2-qt/EmuThread.h

@@ -1,189 +0,0 @@
-/*  PCSX2 - PS2 Emulator for PCs
- *  Copyright (C) 2002-2022  PCSX2 Dev Team
- *
- *  PCSX2 is free software: you can redistribute it and/or modify it under the terms
- *  of the GNU Lesser General Public License as published by the Free Software Found-
- *  ation, either version 3 of the License, or (at your option) any later version.
- *
- *  PCSX2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
- *  without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
- *  PURPOSE.  See the GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along with PCSX2.
- *  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#pragma once
-#include "pcsx2/Host.h"
-#include "pcsx2/HostDisplay.h"
-#include "pcsx2/Frontend/InputManager.h"
-#include <QtCore/QList>
-#include <QtCore/QEventLoop>
-#include <QtCore/QPair>
-#include <QtCore/QString>
-#include <QtCore/QSemaphore>
-#include <QtCore/QTimer>
-#include <QtCore/QThread>
-#include <atomic>
-#include <memory>
-
-class DisplayWidget;
-struct VMBootParameters;
-
-enum class CDVD_SourceType : uint8_t;
-
-class EmuThread : public QThread
-{
-	Q_OBJECT
-
-public:
-	explicit EmuThread(QThread* ui_thread);
-	~EmuThread();
-
-	static void start();
-	static void stop();
-
-	__fi QEventLoop* getEventLoop() const { return m_event_loop; }
-	__fi bool isFullscreen() const { return m_is_fullscreen; }
-	__fi bool isRenderingToMain() const { return m_is_rendering_to_main; }
-	__fi bool isSurfaceless() const { return m_is_surfaceless; }
-	__fi bool isRunningFullscreenUI() const { return m_run_fullscreen_ui; }
-
-	bool isOnEmuThread() const;
-
-	/// Called back from the GS thread when the display state changes (e.g. fullscreen, render to main).
-	HostDisplay* acquireHostDisplay(HostDisplay::RenderAPI api);
-	void connectDisplaySignals(DisplayWidget* widget);
-	void releaseHostDisplay();
-	void updateDisplay();
-
-	void startBackgroundControllerPollTimer();
-	void stopBackgroundControllerPollTimer();
-	void updatePerformanceMetrics(bool force);
-
-public Q_SLOTS:
-	bool confirmMessage(const QString& title, const QString& message);
-	void startFullscreenUI(bool fullscreen);
-	void stopFullscreenUI();
-	void startVM(std::shared_ptr<VMBootParameters> boot_params);
-	void resetVM();
-	void setVMPaused(bool paused);
-	void shutdownVM(bool save_state = true);
-	void loadState(const QString& filename);
-	void loadStateFromSlot(qint32 slot);
-	void saveState(const QString& filename);
-	void saveStateToSlot(qint32 slot);
-	void toggleFullscreen();
-	void setFullscreen(bool fullscreen);
-	void setSurfaceless(bool surfaceless);
-	void applySettings();
-	void reloadGameSettings();
-	void updateEmuFolders();
-	void toggleSoftwareRendering();
-	void switchRenderer(GSRendererType renderer);
-	void changeDisc(CDVD_SourceType source, const QString& path);
-	void reloadPatches();
-	void reloadInputSources();
-	void reloadInputBindings();
-	void requestDisplaySize(float scale);
-	void enumerateInputDevices();
-	void enumerateVibrationMotors();
-	void runOnCPUThread(const std::function<void()>& func);
-	void queueSnapshot(quint32 gsdump_frames);
-
-Q_SIGNALS:
-	bool messageConfirmed(const QString& title, const QString& message);
-
-	DisplayWidget* onCreateDisplayRequested(bool fullscreen, bool render_to_main);
-	DisplayWidget* onUpdateDisplayRequested(bool fullscreen, bool render_to_main, bool surfaceless);
-	void onResizeDisplayRequested(qint32 width, qint32 height);
-	void onDestroyDisplayRequested();
-
-	/// Called when the VM is starting initialization, but has not been completed yet.
-	void onVMStarting();
-
-	/// Called when the VM is created.
-	void onVMStarted();
-
-	/// Called when the VM is paused.
-	void onVMPaused();
-
-	/// Called when the VM is resumed after being paused.
-	void onVMResumed();
-
-	/// Called when the VM is shut down or destroyed.
-	void onVMStopped();
-
-	/// Provided by the host; called when the running executable changes.
-	void onGameChanged(const QString& path, const QString& serial, const QString& name, quint32 crc);
-
-	void onInputDevicesEnumerated(const QList<QPair<QString, QString>>& devices);
-	void onInputDeviceConnected(const QString& identifier, const QString& device_name);
-	void onInputDeviceDisconnected(const QString& identifier);
-	void onVibrationMotorsEnumerated(const QList<InputBindingKey>& motors);
-
-	/// Called when a save state is loading, before the file is processed.
-	void onSaveStateLoading(const QString& path);
-
-	/// Called after a save state is successfully loaded. If the save state was invalid, was_successful will be false.
-	void onSaveStateLoaded(const QString& path, bool was_successful);
-
-	/// Called when a save state is being created/saved. The compression/write to disk is asynchronous, so this callback
-	/// just signifies that the save has started, not necessarily completed.
-	void onSaveStateSaved(const QString& path);
-
-protected:
-	void run();
-
-private:
-	/// Interval at which the controllers are polled when the system is not active.
-	static constexpr u32 BACKGROUND_CONTROLLER_POLLING_INTERVAL = 100;
-
-	/// Poll at half the vsync rate for FSUI to reduce the chance of getting a press+release in the same frame.
-	static constexpr u32 FULLSCREEN_UI_CONTROLLER_POLLING_INTERVAL = 8;
-
-	void destroyVM();
-	void executeVM();
-	void checkForSettingChanges();
-	bool shouldRenderToMain() const;
-
-	void createBackgroundControllerPollTimer();
-	void destroyBackgroundControllerPollTimer();
-	void connectSignals();
-	void loadOurSettings();
-	void loadOurInitialSettings();
-
-private Q_SLOTS:
-	void stopInThread();
-	void doBackgroundControllerPoll();
-	void onDisplayWindowResized(int width, int height, float scale);
-	void onApplicationStateChanged(Qt::ApplicationState state);
-	void redrawDisplayWindow();
-
-private:
-	QThread* m_ui_thread;
-	QSemaphore m_started_semaphore;
-	QEventLoop* m_event_loop = nullptr;
-	QTimer* m_background_controller_polling_timer = nullptr;
-
-	std::atomic_bool m_shutdown_flag{false};
-
-	bool m_verbose_status = false;
-	bool m_run_fullscreen_ui = false;
-	bool m_is_rendering_to_main = false;
-	bool m_is_fullscreen = false;
-	bool m_is_surfaceless = false;
-	bool m_save_state_on_shutdown = false;
-	bool m_pause_on_focus_loss = false;
-
-	bool m_was_paused_by_focus_loss = false;
-
-	float m_last_speed = 0.0f;
-	float m_last_game_fps = 0.0f;
-	float m_last_video_fps = 0.0f;
-	int m_last_internal_width = 0;
-	int m_last_internal_height = 0;
-	GSRendererType m_last_renderer = GSRendererType::Null;
-};
-
-extern EmuThread* g_emu_thread;

pcsx2-qt/MainWindow.cpp

@@ -41,7 +41,6 @@
 #include "AboutDialog.h"
 #include "AutoUpdaterDialog.h"
 #include "DisplayWidget.h"
-#include "EmuThread.h"
 #include "GameList/GameListRefreshThread.h"
 #include "GameList/GameListWidget.h"
 #include "MainWindow.h"

pcsx2-qt/QtHost.h

@@ -14,30 +14,197 @@
  */
 
 #pragma once
+
+#include <atomic>
+#include <memory>
+#include <functional>
+#include <optional>
+
 #include "pcsx2/Host.h"
 #include "pcsx2/HostDisplay.h"
 #include "pcsx2/HostSettings.h"
 #include "pcsx2/Frontend/InputManager.h"
 #include "pcsx2/VMManager.h"
+
+#include <QtCore/QList>
+#include <QtCore/QEventLoop>
 #include <QtCore/QMetaType>
+#include <QtCore/QPair>
 #include <QtCore/QString>
-#include <functional>
+#include <QtCore/QSemaphore>
-#include <memory>
+#include <QtCore/QString>
-#include <optional>
+#include <QtCore/QTimer>
+#include <QtCore/QThread>
 
 class SettingsInterface;
 
-class EmuThread;
+class DisplayWidget;
+struct VMBootParameters;
 
 enum class CDVD_SourceType : uint8_t;
 
 Q_DECLARE_METATYPE(std::shared_ptr<VMBootParameters>);
 Q_DECLARE_METATYPE(std::optional<bool>);
-Q_DECLARE_METATYPE(std::function<void()>);
 Q_DECLARE_METATYPE(GSRendererType);
 Q_DECLARE_METATYPE(InputBindingKey);
 Q_DECLARE_METATYPE(CDVD_SourceType);
 
+class EmuThread : public QThread
+{
+	Q_OBJECT
+
+public:
+	explicit EmuThread(QThread* ui_thread);
+	~EmuThread();
+
+	static void start();
+	static void stop();
+
+	__fi QEventLoop* getEventLoop() const { return m_event_loop; }
+	__fi bool isFullscreen() const { return m_is_fullscreen; }
+	__fi bool isRenderingToMain() const { return m_is_rendering_to_main; }
+	__fi bool isSurfaceless() const { return m_is_surfaceless; }
+	__fi bool isRunningFullscreenUI() const { return m_run_fullscreen_ui; }
+
+	bool isOnEmuThread() const;
+
+	/// Called back from the GS thread when the display state changes (e.g. fullscreen, render to main).
+	HostDisplay* acquireHostDisplay(HostDisplay::RenderAPI api);
+	void connectDisplaySignals(DisplayWidget* widget);
+	void releaseHostDisplay();
+	void updateDisplay();
+
+	void startBackgroundControllerPollTimer();
+	void stopBackgroundControllerPollTimer();
+	void updatePerformanceMetrics(bool force);
+
+public Q_SLOTS:
+	bool confirmMessage(const QString& title, const QString& message);
+	void startFullscreenUI(bool fullscreen);
+	void stopFullscreenUI();
+	void startVM(std::shared_ptr<VMBootParameters> boot_params);
+	void resetVM();
+	void setVMPaused(bool paused);
+	void shutdownVM(bool save_state = true);
+	void loadState(const QString& filename);
+	void loadStateFromSlot(qint32 slot);
+	void saveState(const QString& filename);
+	void saveStateToSlot(qint32 slot);
+	void toggleFullscreen();
+	void setFullscreen(bool fullscreen);
+	void setSurfaceless(bool surfaceless);
+	void applySettings();
+	void reloadGameSettings();
+	void updateEmuFolders();
+	void toggleSoftwareRendering();
+	void switchRenderer(GSRendererType renderer);
+	void changeDisc(CDVD_SourceType source, const QString& path);
+	void reloadPatches();
+	void reloadInputSources();
+	void reloadInputBindings();
+	void requestDisplaySize(float scale);
+	void enumerateInputDevices();
+	void enumerateVibrationMotors();
+	void runOnCPUThread(const std::function<void()>& func);
+	void queueSnapshot(quint32 gsdump_frames);
+
+Q_SIGNALS:
+	bool messageConfirmed(const QString& title, const QString& message);
+
+	DisplayWidget* onCreateDisplayRequested(bool fullscreen, bool render_to_main);
+	DisplayWidget* onUpdateDisplayRequested(bool fullscreen, bool render_to_main, bool surfaceless);
+	void onResizeDisplayRequested(qint32 width, qint32 height);
+	void onDestroyDisplayRequested();
+
+	/// Called when the VM is starting initialization, but has not been completed yet.
+	void onVMStarting();
+
+	/// Called when the VM is created.
+	void onVMStarted();
+
+	/// Called when the VM is paused.
+	void onVMPaused();
+
+	/// Called when the VM is resumed after being paused.
+	void onVMResumed();
+
+	/// Called when the VM is shut down or destroyed.
+	void onVMStopped();
+
+	/// Provided by the host; called when the running executable changes.
+	void onGameChanged(const QString& path, const QString& serial, const QString& name, quint32 crc);
+
+	void onInputDevicesEnumerated(const QList<QPair<QString, QString>>& devices);
+	void onInputDeviceConnected(const QString& identifier, const QString& device_name);
+	void onInputDeviceDisconnected(const QString& identifier);
+	void onVibrationMotorsEnumerated(const QList<InputBindingKey>& motors);
+
+	/// Called when a save state is loading, before the file is processed.
+	void onSaveStateLoading(const QString& path);
+
+	/// Called after a save state is successfully loaded. If the save state was invalid, was_successful will be false.
+	void onSaveStateLoaded(const QString& path, bool was_successful);
+
+	/// Called when a save state is being created/saved. The compression/write to disk is asynchronous, so this callback
+	/// just signifies that the save has started, not necessarily completed.
+	void onSaveStateSaved(const QString& path);
+
+protected:
+	void run();
+
+private:
+	/// Interval at which the controllers are polled when the system is not active.
+	static constexpr u32 BACKGROUND_CONTROLLER_POLLING_INTERVAL = 100;
+
+	/// Poll at half the vsync rate for FSUI to reduce the chance of getting a press+release in the same frame.
+	static constexpr u32 FULLSCREEN_UI_CONTROLLER_POLLING_INTERVAL = 8;
+
+	void destroyVM();
+	void executeVM();
+	void checkForSettingChanges();
+	bool shouldRenderToMain() const;
+
+	void createBackgroundControllerPollTimer();
+	void destroyBackgroundControllerPollTimer();
+	void connectSignals();
+	void loadOurSettings();
+	void loadOurInitialSettings();
+
+private Q_SLOTS:
+	void stopInThread();
+	void doBackgroundControllerPoll();
+	void onDisplayWindowResized(int width, int height, float scale);
+	void onApplicationStateChanged(Qt::ApplicationState state);
+	void redrawDisplayWindow();
+
+private:
+	QThread* m_ui_thread;
+	QSemaphore m_started_semaphore;
+	QEventLoop* m_event_loop = nullptr;
+	QTimer* m_background_controller_polling_timer = nullptr;
+
+	std::atomic_bool m_shutdown_flag{false};
+
+	bool m_verbose_status = false;
+	bool m_run_fullscreen_ui = false;
+	bool m_is_rendering_to_main = false;
+	bool m_is_fullscreen = false;
+	bool m_is_surfaceless = false;
+	bool m_save_state_on_shutdown = false;
+	bool m_pause_on_focus_loss = false;
+
+	bool m_was_paused_by_focus_loss = false;
+
+	float m_last_speed = 0.0f;
+	float m_last_game_fps = 0.0f;
+	float m_last_video_fps = 0.0f;
+	int m_last_internal_width = 0;
+	int m_last_internal_height = 0;
+	GSRendererType m_last_renderer = GSRendererType::Null;
+};
+
+extern EmuThread* g_emu_thread;
+
 namespace QtHost
 {
 	/// Sets batch mode (exit after game shutdown).

pcsx2-qt/SettingWidgetBinder.h

@@ -35,7 +35,6 @@
 #include "pcsx2/Config.h"
 #include "pcsx2/HostSettings.h"
 
-#include "EmuThread.h"
 #include "QtHost.h"
 #include "QtUtils.h"
 #include "Settings/SettingsDialog.h"

pcsx2-qt/Settings/AdvancedSystemSettingsWidget.cpp

@@ -19,7 +19,7 @@
 #include <algorithm>
 
 #include "AdvancedSystemSettingsWidget.h"
-#include "EmuThread.h"
+#include "QtHost.h"
 #include "QtUtils.h"
 #include "SettingWidgetBinder.h"
 #include "SettingsDialog.h"

pcsx2-qt/Settings/AudioSettingsWidget.cpp

@@ -19,7 +19,7 @@
 #include <algorithm>
 
 #include "AudioSettingsWidget.h"
-#include "EmuThread.h"
+#include "QtHost.h"
 #include "QtUtils.h"
 #include "SettingWidgetBinder.h"
 #include "SettingsDialog.h"

pcsx2-qt/Settings/ControllerBindingWidgets.cpp

@@ -24,7 +24,7 @@
 #include "Settings/ControllerSettingsDialog.h"
 #include "Settings/ControllerSettingWidgetBinder.h"
 #include "Settings/SettingsDialog.h"
-#include "EmuThread.h"
+#include "QtHost.h"
 #include "QtUtils.h"
 #include "SettingWidgetBinder.h"
 

pcsx2-qt/Settings/ControllerSettingWidgetBinder.h

@@ -29,9 +29,7 @@
 
 #include "pcsx2/HostSettings.h"
 
-#include "EmuThread.h"
 #include "QtHost.h"
-
 #include "SettingWidgetBinder.h"
 
 /// This nastyness is required because input profiles aren't overlaid settings like the rest of them, it's

pcsx2-qt/Settings/ControllerSettingsDialog.cpp

@@ -15,7 +15,6 @@
 
 #include "PrecompiledHeader.h"
 
-#include "EmuThread.h"
 #include "QtHost.h"
 #include "Settings/ControllerSettingsDialog.h"
 #include "Settings/ControllerGlobalSettingsWidget.h"

pcsx2-qt/Settings/DEV9DnsHostDialog.cpp

@@ -22,7 +22,7 @@
 
 #include "common/StringUtil.h"
 #include "DEV9DnsHostDialog.h"
-#include "EmuThread.h"
+#include "QtHost.h"
 #include "QtUtils.h"
 #include "SettingWidgetBinder.h"
 #include "SettingsDialog.h"

pcsx2-qt/Settings/DEV9SettingsWidget.cpp

@@ -26,7 +26,7 @@
 #include "pcsx2/HostSettings.h"
 
 #include "DEV9SettingsWidget.h"
-#include "EmuThread.h"
+#include "QtHost.h"
 #include "QtUtils.h"
 #include "SettingWidgetBinder.h"
 #include "SettingsDialog.h"

pcsx2-qt/Settings/GameFixSettingsWidget.cpp

@@ -19,7 +19,7 @@
 #include <algorithm>
 
 #include "GameFixSettingsWidget.h"
-#include "EmuThread.h"
+#include "QtHost.h"
 #include "QtUtils.h"
 #include "SettingWidgetBinder.h"
 #include "SettingsDialog.h"

pcsx2-qt/Settings/InputBindingDialog.cpp

@@ -15,7 +15,6 @@
 
 #include "PrecompiledHeader.h"
 
-#include "EmuThread.h"
 #include "QtHost.h"
 #include "QtUtils.h"
 #include "Settings/InputBindingDialog.h"

pcsx2-qt/Settings/InputBindingWidget.cpp

@@ -28,7 +28,6 @@
 
 #include "pcsx2/GS/GSIntrin.h" // _BitScanForward
 
-#include "EmuThread.h"
 #include "QtHost.h"
 #include "QtUtils.h"
 #include "Settings/ControllerSettingsDialog.h"

pcsx2-qt/Settings/MemoryCardSettingsWidget.cpp

@@ -26,7 +26,7 @@
 
 #include "MemoryCardSettingsWidget.h"
 #include "CreateMemoryCardDialog.h"
-#include "EmuThread.h"
+#include "QtHost.h"
 #include "QtUtils.h"
 #include "SettingWidgetBinder.h"
 #include "SettingsDialog.h"

pcsx2-qt/Settings/SettingsDialog.cpp

@@ -23,7 +23,6 @@
 #include "pcsx2/Frontend/GameList.h"
 #include "pcsx2/Frontend/INISettingsInterface.h"
 
-#include "EmuThread.h"
 #include "MainWindow.h"
 #include "QtHost.h"
 #include "QtUtils.h"

pcsx2-qt/Settings/SystemSettingsWidget.cpp

@@ -20,7 +20,7 @@
 
 #include "pcsx2/HostSettings.h"
 
-#include "EmuThread.h"
+#include "QtHost.h"
 #include "QtUtils.h"
 #include "SettingWidgetBinder.h"
 #include "SettingsDialog.h"

pcsx2-qt/pcsx2-qt.vcxproj

@@ -171,7 +171,6 @@
     <ClCompile Include="PrecompiledHeader.cpp">
       <PrecompiledHeader>Create</PrecompiledHeader>
     </ClCompile>
-    <ClCompile Include="EmuThread.cpp" />
     <ClCompile Include="QtKeyCodes.cpp" />
     <ClCompile Include="QtUtils.cpp" />
   </ItemGroup>
@@ -207,11 +206,10 @@
     <QtMoc Include="Settings\ControllerBindingWidgets.h" />
     <QtMoc Include="Settings\ControllerGlobalSettingsWidget.h" />
     <ClInclude Include="SettingWidgetBinder.h" />
-    <ClInclude Include="QtHost.h" />
+    <QtMoc Include="QtHost.h" />
     <ClInclude Include="PrecompiledHeader.h" />
     <QtMoc Include="AboutDialog.h" />
     <QtMoc Include="AutoUpdaterDialog.h" />
-    <QtMoc Include="EmuThread.h" />
     <QtMoc Include="MainWindow.h" />
     <QtMoc Include="DisplayWidget.h" />
   </ItemGroup>
@@ -250,8 +248,8 @@
     <ClCompile Include="$(IntDir)moc_AboutDialog.cpp" />
     <ClCompile Include="$(IntDir)moc_AutoUpdaterDialog.cpp" />
     <ClCompile Include="$(IntDir)moc_DisplayWidget.cpp" />
-    <ClCompile Include="$(IntDir)moc_EmuThread.cpp" />
     <ClCompile Include="$(IntDir)moc_MainWindow.cpp" />
+    <ClCompile Include="$(IntDir)moc_QtHost.cpp" />
     <ClCompile Include="$(IntDir)Tools\InputRecording\moc_NewInputRecordingDlg.cpp" />
     <ClCompile Include="$(IntDir)qrc_resources.cpp">
       <PrecompiledHeader>NotUsing</PrecompiledHeader>

pcsx2-qt/pcsx2-qt.vcxproj.filters

@@ -42,9 +42,8 @@
     <ClCompile Include="$(IntDir)moc_DisplayWidget.cpp">
       <Filter>moc</Filter>
     </ClCompile>
-    <ClCompile Include="EmuThread.cpp" />
     <ClCompile Include="QtUtils.cpp" />
-    <ClCompile Include="$(IntDir)moc_EmuThread.cpp">
+    <ClCompile Include="$(IntDir)moc_QtHost.cpp">
       <Filter>moc</Filter>
     </ClCompile>
     <ClCompile Include="QtKeyCodes.cpp" />
@@ -243,7 +242,6 @@
   <ItemGroup>
     <QtMoc Include="MainWindow.h" />
     <QtMoc Include="DisplayWidget.h" />
-    <QtMoc Include="EmuThread.h" />
     <QtMoc Include="Settings\BIOSSettingsWidget.h">
       <Filter>Settings</Filter>
     </QtMoc>