yuzu-fork/src/yuzu/bootmanager.h

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// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <atomic>
#include <condition_variable>
#include <memory>
#include <mutex>
#include <QImage>
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#include <QThread>
#include <QTouchEvent>
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#include <QWidget>
#include <QWindow>
#include "common/thread.h"
#include "core/core.h"
#include "core/frontend/emu_window.h"
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class GRenderWindow;
class GMainWindow;
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class QKeyEvent;
class QStringList;
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namespace InputCommon {
class InputSubsystem;
}
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namespace MouseInput {
enum class MouseButton;
}
namespace VideoCore {
enum class LoadCallbackStage;
}
class EmuThread final : public QThread {
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Q_OBJECT
public:
explicit EmuThread();
~EmuThread() override;
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/**
* Start emulation (on new thread)
* @warning Only call when not running!
*/
void run() override;
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/**
* Steps the emulation thread by a single CPU instruction (if the CPU is not already running)
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* @note This function is thread-safe
*/
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void ExecStep() {
exec_step = true;
running_cv.notify_all();
}
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/**
* Sets whether the emulation thread is running or not
* @param running Boolean value, set the emulation thread to running if true
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* @note This function is thread-safe
*/
void SetRunning(bool running) {
std::unique_lock lock{running_mutex};
this->running = running;
lock.unlock();
running_cv.notify_all();
if (!running) {
running_wait.Set();
/// Wait until effectively paused
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while (running_guard)
;
}
}
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/**
* Check if the emulation thread is running or not
* @return True if the emulation thread is running, otherwise false
* @note This function is thread-safe
*/
bool IsRunning() const {
return running;
}
/**
* Requests for the emulation thread to stop running
*/
void RequestStop() {
stop_source.request_stop();
SetRunning(false);
}
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private:
bool exec_step = false;
bool running = false;
std::stop_source stop_source;
std::mutex running_mutex;
std::condition_variable_any running_cv;
Common::Event running_wait{};
std::atomic_bool running_guard{false};
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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)
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*/
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 ErrorThrown(Core::System::ResultStatus, std::string);
void LoadProgress(VideoCore::LoadCallbackStage stage, std::size_t value, std::size_t total);
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};
class GRenderWindow : public QWidget, public Core::Frontend::EmuWindow {
Q_OBJECT
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public:
explicit GRenderWindow(GMainWindow* parent, EmuThread* emu_thread_,
std::shared_ptr<InputCommon::InputSubsystem> input_subsystem_);
~GRenderWindow() override;
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// EmuWindow implementation.
void OnFrameDisplayed() override;
bool IsShown() const override;
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std::unique_ptr<Core::Frontend::GraphicsContext> CreateSharedContext() const override;
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void BackupGeometry();
void RestoreGeometry();
void restoreGeometry(const QByteArray& geometry); // overridden
QByteArray saveGeometry(); // overridden
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qreal windowPixelRatio() const;
void closeEvent(QCloseEvent* event) override;
void resizeEvent(QResizeEvent* event) override;
void keyPressEvent(QKeyEvent* event) override;
void keyReleaseEvent(QKeyEvent* event) override;
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/// Converts a Qt mouse button into MouseInput mouse button
static MouseInput::MouseButton QtButtonToMouseButton(Qt::MouseButton button);
void mousePressEvent(QMouseEvent* event) override;
void mouseMoveEvent(QMouseEvent* event) override;
void mouseReleaseEvent(QMouseEvent* event) override;
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(u32 res_scale, const QString& screenshot_path);
std::pair<u32, u32> ScaleTouch(const QPointF& pos) const;
/**
* 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);
public slots:
void OnEmulationStarting(EmuThread* emu_thread);
void OnEmulationStopping();
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void OnFramebufferSizeChanged();
signals:
/// Emitted when the window is closed
void Closed();
void FirstFrameDisplayed();
void ExecuteProgramSignal(std::size_t program_index);
void MouseActivity();
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private:
void TouchBeginEvent(const QTouchEvent* event);
void TouchUpdateEvent(const QTouchEvent* event);
void TouchEndEvent();
bool TouchStart(const QTouchEvent::TouchPoint& touch_point);
bool TouchUpdate(const QTouchEvent::TouchPoint& touch_point);
bool TouchExist(std::size_t id, const QList<QTouchEvent::TouchPoint>& touch_points) const;
void OnMinimalClientAreaChangeRequest(std::pair<u32, u32> minimal_size) override;
bool InitializeOpenGL();
bool InitializeVulkan();
bool LoadOpenGL();
QStringList GetUnsupportedGLExtensions() const;
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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;
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/// Temporary storage of the screenshot taken
QImage screenshot_image;
QByteArray geometry;
QWidget* child_widget = nullptr;
bool first_frame = false;
std::array<std::size_t, 16> touch_ids{};
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protected:
void showEvent(QShowEvent* event) override;
bool eventFilter(QObject* object, QEvent* event) override;
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};