// SPDX-FileCopyrightText: 2014 Citra Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <atomic>
#include <condition_variable>
#include <memory>
#include <mutex>
#include <QImage>
#include <QStringList>
#include <QThread>
#include <QTouchEvent>
#include <QWidget>
#include "common/polyfill_thread.h"
#include "common/thread.h"
#include "core/frontend/emu_window.h"
class GRenderWindow;
class GMainWindow;
class QCamera;
class QCameraImageCapture;
class QKeyEvent;
namespace Core {
enum class SystemResultStatus : u32;
class System;
} // namespace Core
namespace InputCommon {
class InputSubsystem;
enum class MouseButton;
} // namespace InputCommon
namespace InputCommon::TasInput {
enum class TasState;
} // namespace InputCommon::TasInput
namespace VideoCore {
enum class LoadCallbackStage;
class RendererBase;
} // namespace VideoCore
class EmuThread final : public QThread {
Q_OBJECT
public:
explicit EmuThread(Core::System& system);
~EmuThread() override;
/**
* Start emulation (on new thread)
* @warning Only call when not running!
*/
void run() override;
/**
* Sets whether the emulation thread should run or not
* @param should_run Boolean value, set the emulation thread to running if true
*/
void SetRunning(bool should_run) {
// TODO: Prevent other threads from modifying the state until we finish.
{
// Notify the running thread to change state.
std::unique_lock run_lk{m_should_run_mutex};
m_should_run = should_run;
m_should_run_cv.notify_one();
}
// Wait until paused, if pausing.
if (!should_run) {
m_is_running.wait(true);
}
}
/**
* Check if the emulation thread is running or not
* @return True if the emulation thread is running, otherwise false
*/
bool IsRunning() const {
return m_is_running.load() || m_should_run;
}
/**
* Requests for the emulation thread to immediately stop running
*/
void ForceStop() {
LOG_WARNING(Frontend, "Force stopping EmuThread");
m_stop_source.request_stop();
}
private:
void EmulationPaused(std::unique_lock<std::mutex>& lk);
void EmulationResumed(std::unique_lock<std::mutex>& lk);
private:
Core::System& m_system;
std::stop_source m_stop_source;
std::mutex m_should_run_mutex;
std::condition_variable_any m_should_run_cv;
std::atomic<bool> m_is_running{false};
bool m_should_run{true};
signals:
/**
* Emitted when the CPU has halted execution
*
* @warning When connecting to this signal from other threads, make sure to specify either
* Qt::QueuedConnection (invoke slot within the destination object's message thread) or even
* Qt::BlockingQueuedConnection (additionally block source thread until slot returns)
*/
void DebugModeEntered();
/**
* Emitted right before the CPU continues execution
*
* @warning When connecting to this signal from other threads, make sure to specify either
* Qt::QueuedConnection (invoke slot within the destination object's message thread) or even
* Qt::BlockingQueuedConnection (additionally block source thread until slot returns)
*/
void DebugModeLeft();
void LoadProgress(VideoCore::LoadCallbackStage stage, std::size_t value, std::size_t total);
};
class GRenderWindow : public QWidget, public Core::Frontend::EmuWindow {
Q_OBJECT
public:
explicit GRenderWindow(GMainWindow* parent, EmuThread* emu_thread_,
std::shared_ptr<InputCommon::InputSubsystem> input_subsystem_,
Core::System& system_);
~GRenderWindow() override;
// EmuWindow implementation.
void OnFrameDisplayed() override;
bool IsShown() const override;
std::unique_ptr<Core::Frontend::GraphicsContext> CreateSharedContext() const override;
void BackupGeometry();
void RestoreGeometry();
void restoreGeometry(const QByteArray& geometry_); // overridden
QByteArray saveGeometry(); // overridden
qreal windowPixelRatio() const;
std::pair<u32, u32> ScaleTouch(const QPointF& pos) const;
void closeEvent(QCloseEvent* event) override;
void resizeEvent(QResizeEvent* event) override;
/// Converts a Qt keybard key into NativeKeyboard key
static int QtKeyToSwitchKey(Qt::Key qt_keys);
/// Converts a Qt modifier keys into NativeKeyboard modifier keys
static int QtModifierToSwitchModifier(Qt::KeyboardModifiers qt_modifiers);
void keyPressEvent(QKeyEvent* event) override;
void keyReleaseEvent(QKeyEvent* event) override;
/// Converts a Qt mouse button into MouseInput mouse button
static InputCommon::MouseButton QtButtonToMouseButton(Qt::MouseButton button);
void mousePressEvent(QMouseEvent* event) override;
void mouseMoveEvent(QMouseEvent* event) override;
void mouseReleaseEvent(QMouseEvent* event) override;
void wheelEvent(QWheelEvent* event) override;
void InitializeCamera();
void FinalizeCamera();
bool event(QEvent* event) override;
void focusOutEvent(QFocusEvent* event) override;
bool InitRenderTarget();
/// Destroy the previous run's child_widget which should also destroy the child_window
void ReleaseRenderTarget();
bool IsLoadingComplete() const;
void CaptureScreenshot(const QString& screenshot_path);
/**
* Instructs the window to re-launch the application using the specified program_index.
* @param program_index Specifies the index within the application of the program to launch.
*/
void ExecuteProgram(std::size_t program_index);
/// Instructs the window to exit the application.
void Exit();
public slots:
void OnEmulationStarting(EmuThread* emu_thread_);
void OnEmulationStopping();
void OnFramebufferSizeChanged();
signals:
/// Emitted when the window is closed
void Closed();
void FirstFrameDisplayed();
void ExecuteProgramSignal(std::size_t program_index);
void ExitSignal();
void MouseActivity();
void TasPlaybackStateChanged();
private:
void TouchBeginEvent(const QTouchEvent* event);
void TouchUpdateEvent(const QTouchEvent* event);
void TouchEndEvent();
void RequestCameraCapture();
void OnCameraCapture(int requestId, const QImage& img);
void OnMinimalClientAreaChangeRequest(std::pair<u32, u32> minimal_size) override;
bool InitializeOpenGL();
bool InitializeVulkan();
void InitializeNull();
bool LoadOpenGL();
QStringList GetUnsupportedGLExtensions() const;
EmuThread* emu_thread;
std::shared_ptr<InputCommon::InputSubsystem> input_subsystem;
// Main context that will be shared with all other contexts that are requested.
// If this is used in a shared context setting, then this should not be used directly, but
// should instead be shared from
std::shared_ptr<Core::Frontend::GraphicsContext> main_context;
/// Temporary storage of the screenshot taken
QImage screenshot_image;
QByteArray geometry;
QWidget* child_widget = nullptr;
bool first_frame = false;
InputCommon::TasInput::TasState last_tas_state;
#if (QT_VERSION < QT_VERSION_CHECK(6, 0, 0)) && YUZU_USE_QT_MULTIMEDIA
bool is_virtual_camera;
int pending_camera_snapshots;
std::vector<u32> camera_data;
std::unique_ptr<QCamera> camera;
std::unique_ptr<QCameraImageCapture> camera_capture;
std::unique_ptr<QTimer> camera_timer;
#endif
Core::System& system;
protected:
void showEvent(QShowEvent* event) override;
bool eventFilter(QObject* object, QEvent* event) override;
};
