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Qt: Use signals for emu_thread start/stop and fix disasm widget.

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This commit is contained in:
bunnei 2015-04-29 00:01:41 -04:00
parent e4ea133717
commit 43cf424907
6 changed files with 138 additions and 79 deletions
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14
src/citra_qt/bootmanager.cpp
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@ -87,8 +87,8 @@ private:
GRenderWindow* parent;
};
GRenderWindow::GRenderWindow(QWidget* parent, GMainWindow& main_window) :
QWidget(parent), main_window(main_window), keyboard_id(0) {
GRenderWindow::GRenderWindow(QWidget* parent, EmuThread* emu_thread) :
QWidget(parent), emu_thread(emu_thread), keyboard_id(0) {
std::string window_title = Common::StringFromFormat("Citra | %s-%s", Common::g_scm_branch, Common::g_scm_desc);
setWindowTitle(QString::fromStdString(window_title));
@ -129,7 +129,7 @@ void GRenderWindow::moveContext()
// We need to move GL context to the swapping thread in Qt5
#if QT_VERSION > QT_VERSION_CHECK(5, 0, 0)
// If the thread started running, move the GL Context to the new thread. Otherwise, move it back.
auto thread = QThread::currentThread() == qApp->thread() ? main_window.GetEmuThread() : qApp->thread();
auto thread = (QThread::currentThread() == qApp->thread() && emu_thread != nullptr) ? emu_thread : qApp->thread();
child->context()->moveToThread(thread);
#endif
}
@ -272,3 +272,11 @@ void GRenderWindow::OnClientAreaResized(unsigned width, unsigned height)
void GRenderWindow::OnMinimalClientAreaChangeRequest(const std::pair<unsigned,unsigned>& minimal_size) {
setMinimumSize(minimal_size.first, minimal_size.second);
}
void GRenderWindow::OnEmulationStarted(EmuThread* emu_thread) {
this->emu_thread = emu_thread;
}
void GRenderWindow::OnEmulationStopped() {
emu_thread = nullptr;
}

21
src/citra_qt/bootmanager.h
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@ -22,6 +22,7 @@ class EmuThread : public QThread
Q_OBJECT
public:
EmuThread(GRenderWindow* render_window);
/**
* Start emulation (on new thread)
@ -50,15 +51,14 @@ public:
bool IsRunning() { return running; }
/**
* Shutdown (permanently stops) the emulation thread
* Requests for the emulation thread to stop running and shutdown emulation
*/
void Shutdown() { stop_run = true; };
void RequestShutdown() {
stop_run = true;
running = false;
};
private:
friend class GMainWindow;
EmuThread(GRenderWindow* render_window);
bool exec_step;
bool running;
std::atomic<bool> stop_run;
@ -86,7 +86,7 @@ class GRenderWindow : public QWidget, public EmuWindow
Q_OBJECT
public:
GRenderWindow(QWidget* parent, GMainWindow& main_window);
GRenderWindow(QWidget* parent, EmuThread* emu_thread);
// EmuWindow implementation
void SwapBuffers() override;
@ -115,6 +115,9 @@ public:
public slots:
void moveContext(); // overridden
void OnEmulationStarted(EmuThread* emu_thread);
void OnEmulationStopped();
private:
void OnMinimalClientAreaChangeRequest(const std::pair<unsigned,unsigned>& minimal_size) override;
@ -122,8 +125,8 @@ private:
QByteArray geometry;
GMainWindow& main_window;
/// Device id of keyboard for use with KeyMap
int keyboard_id;
EmuThread* emu_thread;
};

81
src/citra_qt/debugger/disassembler.cpp
View File

@ -4,7 +4,6 @@
#include "disassembler.h"
#include "../main.h"
#include "../bootmanager.h"
#include "../hotkeys.h"
@ -19,8 +18,8 @@
#include "core/arm/disassembler/arm_disasm.h"
DisassemblerModel::DisassemblerModel(QObject* parent) : QAbstractListModel(parent), base_address(0), code_size(0), program_counter(0), selection(QModelIndex()) {
DisassemblerModel::DisassemblerModel(QObject* parent) :
QAbstractListModel(parent), base_address(0), code_size(0), program_counter(0), selection(QModelIndex()) {
}
int DisassemblerModel::columnCount(const QModelIndex& parent) const {
@ -159,35 +158,28 @@ void DisassemblerModel::SetNextInstruction(unsigned int address) {
emit dataChanged(prev_index, prev_index);
}
DisassemblerWidget::DisassemblerWidget(QWidget* parent, GMainWindow& main_window) :
QDockWidget(parent), main_window(main_window), base_addr(0) {
DisassemblerWidget::DisassemblerWidget(QWidget* parent, EmuThread* emu_thread) :
QDockWidget(parent), emu_thread(emu_thread), base_addr(0) {
disasm_ui.setupUi(this);
model = new DisassemblerModel(this);
disasm_ui.treeView->setModel(model);
RegisterHotkey("Disassembler", "Start/Stop", QKeySequence(Qt::Key_F5), Qt::ApplicationShortcut);
RegisterHotkey("Disassembler", "Step", QKeySequence(Qt::Key_F10), Qt::ApplicationShortcut);
RegisterHotkey("Disassembler", "Step into", QKeySequence(Qt::Key_F11), Qt::ApplicationShortcut);
RegisterHotkey("Disassembler", "Set Breakpoint", QKeySequence(Qt::Key_F9), Qt::ApplicationShortcut);
connect(disasm_ui.button_breakpoint, SIGNAL(clicked()), model, SLOT(OnSetOrUnsetBreakpoint()));
connect(disasm_ui.button_step, SIGNAL(clicked()), this, SLOT(OnStep()));
connect(disasm_ui.button_pause, SIGNAL(clicked()), this, SLOT(OnPause()));
connect(disasm_ui.button_continue, SIGNAL(clicked()), this, SLOT(OnContinue()));
connect(disasm_ui.treeView->selectionModel(), SIGNAL(currentChanged(const QModelIndex&, const QModelIndex&)),
model, SLOT(OnSelectionChanged(const QModelIndex&)));
connect(GetHotkey("Disassembler", "Start/Stop", this), SIGNAL(activated()), this, SLOT(OnToggleStartStop()));
connect(GetHotkey("Disassembler", "Step", this), SIGNAL(activated()), this, SLOT(OnStep()));
connect(GetHotkey("Disassembler", "Step into", this), SIGNAL(activated()), this, SLOT(OnStepInto()));
connect(GetHotkey("Disassembler", "Set Breakpoint", this), SIGNAL(activated()), model, SLOT(OnSetOrUnsetBreakpoint()));
setEnabled(false);
}
void DisassemblerWidget::Init()
{
void DisassemblerWidget::Init() {
model->ParseFromAddress(Core::g_app_core->GetPC());
disasm_ui.treeView->resizeColumnToContents(0);
@ -199,25 +191,21 @@ void DisassemblerWidget::Init()
disasm_ui.treeView->selectionModel()->setCurrentIndex(model_index, QItemSelectionModel::SelectCurrent | QItemSelectionModel::Rows);
}
void DisassemblerWidget::OnContinue()
{
main_window.GetEmuThread()->SetRunning(true);
void DisassemblerWidget::OnContinue() {
emu_thread->SetRunning(true);
}
void DisassemblerWidget::OnStep()
{
void DisassemblerWidget::OnStep() {
OnStepInto(); // change later
}
void DisassemblerWidget::OnStepInto()
{
main_window.GetEmuThread()->SetRunning(false);
main_window.GetEmuThread()->ExecStep();
void DisassemblerWidget::OnStepInto() {
emu_thread->SetRunning(false);
emu_thread->ExecStep();
}
void DisassemblerWidget::OnPause()
{
main_window.GetEmuThread()->SetRunning(false);
void DisassemblerWidget::OnPause() {
emu_thread->SetRunning(false);
// TODO: By now, the CPU might not have actually stopped...
if (Core::g_app_core) {
@ -225,17 +213,15 @@ void DisassemblerWidget::OnPause()
}
}
void DisassemblerWidget::OnToggleStartStop()
{
main_window.GetEmuThread()->SetRunning(!main_window.GetEmuThread()->IsRunning());
void DisassemblerWidget::OnToggleStartStop() {
emu_thread->SetRunning(!emu_thread->IsRunning());
}
void DisassemblerWidget::OnDebugModeEntered()
{
void DisassemblerWidget::OnDebugModeEntered() {
ARMword next_instr = Core::g_app_core->GetPC();
if (model->GetBreakPoints().IsAddressBreakPoint(next_instr))
main_window.GetEmuThread()->SetRunning(false);
emu_thread->SetRunning(false);
model->SetNextInstruction(next_instr);
@ -244,16 +230,35 @@ void DisassemblerWidget::OnDebugModeEntered()
disasm_ui.treeView->selectionModel()->setCurrentIndex(model_index, QItemSelectionModel::SelectCurrent | QItemSelectionModel::Rows);
}
void DisassemblerWidget::OnDebugModeLeft()
{
void DisassemblerWidget::OnDebugModeLeft() {
}
int DisassemblerWidget::SelectedRow()
{
int DisassemblerWidget::SelectedRow() {
QModelIndex index = disasm_ui.treeView->selectionModel()->currentIndex();
if (!index.isValid())
return -1;
return disasm_ui.treeView->selectionModel()->currentIndex().row();
}
void DisassemblerWidget::OnEmulationStarted(EmuThread* emu_thread) {
this->emu_thread = emu_thread;
model = new DisassemblerModel(this);
disasm_ui.treeView->setModel(model);
connect(disasm_ui.treeView->selectionModel(), SIGNAL(currentChanged(const QModelIndex&, const QModelIndex&)),
model, SLOT(OnSelectionChanged(const QModelIndex&)));
connect(disasm_ui.button_breakpoint, SIGNAL(clicked()), model, SLOT(OnSetOrUnsetBreakpoint()));
connect(GetHotkey("Disassembler", "Set Breakpoint", this), SIGNAL(activated()), model, SLOT(OnSetOrUnsetBreakpoint()));
Init();
setEnabled(true);
}
void DisassemblerWidget::OnEmulationStopped() {
disasm_ui.treeView->setModel(nullptr);
delete model;
emu_thread = nullptr;
setEnabled(false);
}

9
src/citra_qt/debugger/disassembler.h
View File

@ -13,7 +13,7 @@
#include "common/break_points.h"
class QAction;
class GMainWindow;
class EmuThread;
class DisassemblerModel : public QAbstractListModel
{
@ -51,7 +51,7 @@ class DisassemblerWidget : public QDockWidget
Q_OBJECT
public:
DisassemblerWidget(QWidget* parent, GMainWindow& main_window);
DisassemblerWidget(QWidget* parent, EmuThread* emu_thread);
void Init();
@ -65,6 +65,9 @@ public slots:
void OnDebugModeEntered();
void OnDebugModeLeft();
void OnEmulationStarted(EmuThread* emu_thread);
void OnEmulationStopped();
private:
// returns -1 if no row is selected
int SelectedRow();
@ -75,5 +78,5 @@ private:
u32 base_addr;
GMainWindow& main_window;
EmuThread* emu_thread;
};

68
src/citra_qt/main.cpp
View File

@ -15,6 +15,7 @@
#include "common/logging/log.h"
#include "common/logging/backend.h"
#include "common/logging/filter.h"
#include "common/make_unique.h"
#include "common/platform.h"
#include "common/scope_exit.h"
@ -55,14 +56,14 @@ GMainWindow::GMainWindow() : emu_thread(nullptr)
ui.setupUi(this);
statusBar()->hide();
render_window = new GRenderWindow(this, *this);
render_window = new GRenderWindow(this, emu_thread.get());
render_window->hide();
profilerWidget = new ProfilerWidget(this);
addDockWidget(Qt::BottomDockWidgetArea, profilerWidget);
profilerWidget->hide();
disasmWidget = new DisassemblerWidget(this, *this);
disasmWidget = new DisassemblerWidget(this, emu_thread.get());
addDockWidget(Qt::BottomDockWidgetArea, disasmWidget);
disasmWidget->hide();
@ -138,14 +139,10 @@ GMainWindow::GMainWindow() : emu_thread(nullptr)
connect(ui.action_Single_Window_Mode, SIGNAL(triggered(bool)), this, SLOT(ToggleWindowMode()));
connect(ui.action_Hotkeys, SIGNAL(triggered()), this, SLOT(OnOpenHotkeysDialog()));
// BlockingQueuedConnection is important here, it makes sure we've finished refreshing our views before the CPU continues
connect(emu_thread, SIGNAL(DebugModeEntered()), disasmWidget, SLOT(OnDebugModeEntered()), Qt::BlockingQueuedConnection);
connect(emu_thread, SIGNAL(DebugModeEntered()), registersWidget, SLOT(OnDebugModeEntered()), Qt::BlockingQueuedConnection);
connect(emu_thread, SIGNAL(DebugModeEntered()), callstackWidget, SLOT(OnDebugModeEntered()), Qt::BlockingQueuedConnection);
connect(emu_thread, SIGNAL(DebugModeLeft()), disasmWidget, SLOT(OnDebugModeLeft()), Qt::BlockingQueuedConnection);
connect(emu_thread, SIGNAL(DebugModeLeft()), registersWidget, SLOT(OnDebugModeLeft()), Qt::BlockingQueuedConnection);
connect(emu_thread, SIGNAL(DebugModeLeft()), callstackWidget, SLOT(OnDebugModeLeft()), Qt::BlockingQueuedConnection);
connect(this, SIGNAL(EmulationStarted(EmuThread*)), disasmWidget, SLOT(OnEmulationStarted(EmuThread*)));
connect(this, SIGNAL(EmulationStopped()), disasmWidget, SLOT(OnEmulationStopped()));
connect(this, SIGNAL(EmulationStarted(EmuThread*)), render_window, SLOT(OnEmulationStarted(EmuThread*)));
connect(this, SIGNAL(EmulationStopped()), render_window, SLOT(OnEmulationStopped()));
// Setup hotkeys
RegisterHotkey("Main Window", "Load File", QKeySequence::Open);
@ -199,35 +196,62 @@ void GMainWindow::OnDisplayTitleBars(bool show)
void GMainWindow::BootGame(std::string filename) {
LOG_INFO(Frontend, "Citra starting...\n");
// Initialize the core emulation
System::Init(render_window);
// Load a game or die...
// Load the game
if (Loader::ResultStatus::Success != Loader::LoadFile(filename)) {
LOG_CRITICAL(Frontend, "Failed to load ROM!");
System::Shutdown();
return;
}
disasmWidget->Init();
registersWidget->OnDebugModeEntered();
callstackWidget->OnDebugModeEntered();
emu_thread = new EmuThread(render_window);
// Create and start the emulation thread
emu_thread = Common::make_unique<EmuThread>(render_window);
emit EmulationStarted(emu_thread.get());
emu_thread->start();
// BlockingQueuedConnection is important here, it makes sure we've finished refreshing our views before the CPU continues
connect(emu_thread.get(), SIGNAL(DebugModeEntered()), disasmWidget, SLOT(OnDebugModeEntered()), Qt::BlockingQueuedConnection);
connect(emu_thread.get(), SIGNAL(DebugModeEntered()), registersWidget, SLOT(OnDebugModeEntered()), Qt::BlockingQueuedConnection);
connect(emu_thread.get(), SIGNAL(DebugModeEntered()), callstackWidget, SLOT(OnDebugModeEntered()), Qt::BlockingQueuedConnection);
connect(emu_thread.get(), SIGNAL(DebugModeLeft()), disasmWidget, SLOT(OnDebugModeLeft()), Qt::BlockingQueuedConnection);
connect(emu_thread.get(), SIGNAL(DebugModeLeft()), registersWidget, SLOT(OnDebugModeLeft()), Qt::BlockingQueuedConnection);
connect(emu_thread.get(), SIGNAL(DebugModeLeft()), callstackWidget, SLOT(OnDebugModeLeft()), Qt::BlockingQueuedConnection);
// Update the GUI
registersWidget->OnDebugModeEntered();
callstackWidget->OnDebugModeEntered();
render_window->show();
OnStartGame();
}
void GMainWindow::ShutdownGame() {
// Shutdown the emulation thread and wait for it to complete
emu_thread->SetRunning(false);
emu_thread->Shutdown();
emu_thread->wait();
delete emu_thread;
emu_thread = nullptr;
// Shutdown the emulation thread
emu_thread->RequestShutdown();
// Disconnect signals that are attached to the current emulation thread
disconnect(emu_thread.get(), SIGNAL(DebugModeEntered()), disasmWidget, SLOT(OnDebugModeEntered()));
disconnect(emu_thread.get(), SIGNAL(DebugModeEntered()), registersWidget, SLOT(OnDebugModeEntered()));
disconnect(emu_thread.get(), SIGNAL(DebugModeEntered()), callstackWidget, SLOT(OnDebugModeEntered()));
disconnect(emu_thread.get(), SIGNAL(DebugModeLeft()), disasmWidget, SLOT(OnDebugModeLeft()));
disconnect(emu_thread.get(), SIGNAL(DebugModeLeft()), registersWidget, SLOT(OnDebugModeLeft()));
disconnect(emu_thread.get(), SIGNAL(DebugModeLeft()), callstackWidget, SLOT(OnDebugModeLeft()));
// Release emu threads from any breakpoints
// This belongs after RequestShutdown() and before wait() because if emulation stops on a GPU
// breakpoint after (or before) RequestShutdown() is called, the emulation would never be able
// to continue out to the main loop and terminate. Thus wait() would hang forever.
// TODO(bunnei): This function is not thread safe, but it's being used as if it were
Pica::g_debug_context->ClearBreakpoints();
emit EmulationStopped();
// Wait for emulation thread to complete and delete it
emu_thread->wait();
emu_thread = nullptr;
// Shutdown the core emulation
System::Shutdown();

24
src/citra_qt/main.h
View File

@ -5,6 +5,7 @@
#ifndef _CITRA_QT_MAIN_HXX_
#define _CITRA_QT_MAIN_HXX_
#include <memory>
#include <QMainWindow>
#include "ui_main.h"
@ -35,9 +36,23 @@ public:
GMainWindow();
~GMainWindow();
EmuThread* GetEmuThread() {
return emu_thread;
}
signals:
/**
* Signal that is emitted when a new EmuThread has been created and an emulation session is
* about to start. At this time, the core system emulation has been initialized, and all
* emulation handles and memory should be valid.
*
* @param emu_thread Pointer to the newly created EmuThread (to be used by widgets that need to
* access/change emulation state).
*/
void EmulationStarting(EmuThread* emu_thread);
/**
* Signal that is emitted when emulation is about to stop. At this time, the EmuThread and core
* system emulation handles and memory are still valid, but are about become invalid.
*/
void EmulationStopping();
private:
void BootGame(std::string filename);
@ -60,7 +75,8 @@ private:
Ui::MainWindow ui;
GRenderWindow* render_window;
EmuThread* emu_thread;
std::unique_ptr<EmuThread> emu_thread;
ProfilerWidget* profilerWidget;
DisassemblerWidget* disasmWidget;