citra-shitamoto-network/src/citra_qt/bootmanager.cpp

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#include <QApplication>
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#include <QHBoxLayout>
#include <QKeyEvent>
#include <QScreen>
#include <QWindow>
#include <fmt/format.h>
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#include "citra_qt/bootmanager.h"
#include "common/microprofile.h"
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#include "common/scm_rev.h"
#include "core/3ds.h"
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#include "core/core.h"
#include "core/settings.h"
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#include "input_common/keyboard.h"
#include "input_common/main.h"
#include "input_common/motion_emu.h"
#include "network/network.h"
#include "video_core/video_core.h"
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EmuThread::EmuThread(GRenderWindow* render_window) : render_window(render_window) {}
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void EmuThread::run() {
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render_window->MakeCurrent();
MicroProfileOnThreadCreate("EmuThread");
stop_run = false;
// Holds whether the cpu was running during the last iteration,
// so that the DebugModeLeft signal can be emitted before the
// next execution step.
bool was_active = false;
while (!stop_run) {
if (running) {
if (!was_active)
emit DebugModeLeft();
Core::System::ResultStatus result = Core::System::GetInstance().RunLoop();
if (result == Core::System::ResultStatus::ShutdownRequested) {
// Notify frontend we shutdown
emit ErrorThrown(result, "");
// End emulation execution
break;
}
if (result != Core::System::ResultStatus::Success) {
this->SetRunning(false);
emit ErrorThrown(result, Core::System::GetInstance().GetStatusDetails());
}
was_active = running || exec_step;
if (!was_active && !stop_run)
emit DebugModeEntered();
} else if (exec_step) {
if (!was_active)
emit DebugModeLeft();
exec_step = false;
Core::System::GetInstance().SingleStep();
emit DebugModeEntered();
yieldCurrentThread();
was_active = false;
} else {
std::unique_lock<std::mutex> lock(running_mutex);
running_cv.wait(lock, [this] { return IsRunning() || exec_step || stop_run; });
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}
}
// Shutdown the core emulation
Core::System::GetInstance().Shutdown();
#if MICROPROFILE_ENABLED
MicroProfileOnThreadExit();
#endif
render_window->moveContext();
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}
// This class overrides paintEvent and resizeEvent to prevent the GUI thread from stealing GL
// context.
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// The corresponding functionality is handled in EmuThread instead
class GGLWidgetInternal : public QGLWidget {
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public:
GGLWidgetInternal(QGLFormat fmt, GRenderWindow* parent)
: QGLWidget(fmt, parent), parent(parent) {}
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void paintEvent(QPaintEvent* ev) override {
if (do_painting) {
QPainter painter(this);
}
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}
void resizeEvent(QResizeEvent* ev) override {
parent->OnClientAreaResized(ev->size().width(), ev->size().height());
parent->OnFramebufferSizeChanged();
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}
void DisablePainting() {
do_painting = false;
}
void EnablePainting() {
do_painting = true;
}
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private:
GRenderWindow* parent;
bool do_painting;
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};
GRenderWindow::GRenderWindow(QWidget* parent, EmuThread* emu_thread)
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: QWidget(parent), child(nullptr), emu_thread(emu_thread) {
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setWindowTitle(QStringLiteral("Citra %1 | %2-%3")
.arg(Common::g_build_name, Common::g_scm_branch, Common::g_scm_desc));
setAttribute(Qt::WA_AcceptTouchEvents);
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InputCommon::Init();
}
GRenderWindow::~GRenderWindow() {
InputCommon::Shutdown();
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}
void GRenderWindow::moveContext() {
DoneCurrent();
// If the thread started running, move the GL Context to the new thread. Otherwise, move it
// back.
auto thread = (QThread::currentThread() == qApp->thread() && emu_thread != nullptr)
? emu_thread
: qApp->thread();
child->context()->moveToThread(thread);
}
void GRenderWindow::SwapBuffers() {
// In our multi-threaded QGLWidget use case we shouldn't need to call `makeCurrent`,
// since we never call `doneCurrent` in this thread.
// However:
// - The Qt debug runtime prints a bogus warning on the console if `makeCurrent` wasn't called
// since the last time `swapBuffers` was executed;
// - On macOS, if `makeCurrent` isn't called explicitely, resizing the buffer breaks.
child->makeCurrent();
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child->swapBuffers();
}
void GRenderWindow::MakeCurrent() {
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child->makeCurrent();
}
void GRenderWindow::DoneCurrent() {
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child->doneCurrent();
}
void GRenderWindow::PollEvents() {}
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// On Qt 5.0+, this correctly gets the size of the framebuffer (pixels).
//
// Older versions get the window size (density independent pixels),
// and hence, do not support DPI scaling ("retina" displays).
// The result will be a viewport that is smaller than the extent of the window.
void GRenderWindow::OnFramebufferSizeChanged() {
// Screen changes potentially incur a change in screen DPI, hence we should update the
// framebuffer size
qreal pixelRatio = windowPixelRatio();
unsigned width = child->QPaintDevice::width() * pixelRatio;
unsigned height = child->QPaintDevice::height() * pixelRatio;
UpdateCurrentFramebufferLayout(width, height);
}
void GRenderWindow::BackupGeometry() {
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geometry = ((QGLWidget*)this)->saveGeometry();
}
void GRenderWindow::RestoreGeometry() {
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// We don't want to back up the geometry here (obviously)
QWidget::restoreGeometry(geometry);
}
void GRenderWindow::restoreGeometry(const QByteArray& geometry) {
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// Make sure users of this class don't need to deal with backing up the geometry themselves
QWidget::restoreGeometry(geometry);
BackupGeometry();
}
QByteArray GRenderWindow::saveGeometry() {
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// If we are a top-level widget, store the current geometry
// otherwise, store the last backup
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if (parent() == nullptr)
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return ((QGLWidget*)this)->saveGeometry();
else
return geometry;
}
qreal GRenderWindow::windowPixelRatio() const {
// windowHandle() might not be accessible until the window is displayed to screen.
return windowHandle() ? windowHandle()->screen()->devicePixelRatio() : 1.0f;
}
std::pair<unsigned, unsigned> GRenderWindow::ScaleTouch(const QPointF pos) const {
const qreal pixel_ratio = windowPixelRatio();
return {static_cast<unsigned>(std::max(std::round(pos.x() * pixel_ratio), qreal{0.0})),
static_cast<unsigned>(std::max(std::round(pos.y() * pixel_ratio), qreal{0.0}))};
}
void GRenderWindow::closeEvent(QCloseEvent* event) {
emit Closed();
QWidget::closeEvent(event);
}
void GRenderWindow::keyPressEvent(QKeyEvent* event) {
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InputCommon::GetKeyboard()->PressKey(event->key());
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}
void GRenderWindow::keyReleaseEvent(QKeyEvent* event) {
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InputCommon::GetKeyboard()->ReleaseKey(event->key());
}
void GRenderWindow::mousePressEvent(QMouseEvent* event) {
if (event->source() == Qt::MouseEventSynthesizedBySystem)
return; // touch input is handled in TouchBeginEvent
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auto pos = event->pos();
if (event->button() == Qt::LeftButton) {
const auto [x, y] = ScaleTouch(pos);
this->TouchPressed(x, y);
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} else if (event->button() == Qt::RightButton) {
InputCommon::GetMotionEmu()->BeginTilt(pos.x(), pos.y());
}
}
void GRenderWindow::mouseMoveEvent(QMouseEvent* event) {
if (event->source() == Qt::MouseEventSynthesizedBySystem)
return; // touch input is handled in TouchUpdateEvent
auto pos = event->pos();
const auto [x, y] = ScaleTouch(pos);
this->TouchMoved(x, y);
InputCommon::GetMotionEmu()->Tilt(pos.x(), pos.y());
}
void GRenderWindow::mouseReleaseEvent(QMouseEvent* event) {
if (event->source() == Qt::MouseEventSynthesizedBySystem)
return; // touch input is handled in TouchEndEvent
if (event->button() == Qt::LeftButton)
this->TouchReleased();
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else if (event->button() == Qt::RightButton)
InputCommon::GetMotionEmu()->EndTilt();
}
void GRenderWindow::TouchBeginEvent(const QTouchEvent* event) {
// TouchBegin always has exactly one touch point, so take the .first()
const auto [x, y] = ScaleTouch(event->touchPoints().first().pos());
this->TouchPressed(x, y);
}
void GRenderWindow::TouchUpdateEvent(const QTouchEvent* event) {
QPointF pos;
int active_points = 0;
// average all active touch points
for (const auto tp : event->touchPoints()) {
if (tp.state() & (Qt::TouchPointPressed | Qt::TouchPointMoved | Qt::TouchPointStationary)) {
active_points++;
pos += tp.pos();
}
}
pos /= active_points;
const auto [x, y] = ScaleTouch(pos);
this->TouchMoved(x, y);
}
void GRenderWindow::TouchEndEvent() {
this->TouchReleased();
}
bool GRenderWindow::event(QEvent* event) {
if (event->type() == QEvent::TouchBegin) {
TouchBeginEvent(static_cast<QTouchEvent*>(event));
return true;
} else if (event->type() == QEvent::TouchUpdate) {
TouchUpdateEvent(static_cast<QTouchEvent*>(event));
return true;
} else if (event->type() == QEvent::TouchEnd || event->type() == QEvent::TouchCancel) {
TouchEndEvent();
return true;
}
return QWidget::event(event);
}
void GRenderWindow::focusOutEvent(QFocusEvent* event) {
QWidget::focusOutEvent(event);
InputCommon::GetKeyboard()->ReleaseAllKeys();
}
void GRenderWindow::OnClientAreaResized(unsigned width, unsigned height) {
NotifyClientAreaSizeChanged(std::make_pair(width, height));
}
void GRenderWindow::InitRenderTarget() {
if (child) {
delete child;
}
if (layout()) {
delete layout();
}
// TODO: One of these flags might be interesting: WA_OpaquePaintEvent, WA_NoBackground,
// WA_DontShowOnScreen, WA_DeleteOnClose
QGLFormat fmt;
fmt.setVersion(3, 3);
fmt.setProfile(QGLFormat::CoreProfile);
fmt.setSwapInterval(Settings::values.use_vsync);
// Requests a forward-compatible context, which is required to get a 3.2+ context on OS X
fmt.setOption(QGL::NoDeprecatedFunctions);
child = new GGLWidgetInternal(fmt, this);
QBoxLayout* layout = new QHBoxLayout(this);
resize(Core::kScreenTopWidth, Core::kScreenTopHeight + Core::kScreenBottomHeight);
layout->addWidget(child);
layout->setMargin(0);
setLayout(layout);
OnMinimalClientAreaChangeRequest(GetActiveConfig().min_client_area_size);
OnFramebufferSizeChanged();
NotifyClientAreaSizeChanged(std::pair<unsigned, unsigned>(child->width(), child->height()));
BackupGeometry();
}
void GRenderWindow::CaptureScreenshot(u16 res_scale, const QString& screenshot_path) {
if (!res_scale)
res_scale = VideoCore::GetResolutionScaleFactor();
const Layout::FramebufferLayout layout{Layout::FrameLayoutFromResolutionScale(res_scale)};
screenshot_image = QImage(QSize(layout.width, layout.height), QImage::Format_RGB32);
VideoCore::RequestScreenshot(screenshot_image.bits(),
[=] {
screenshot_image.mirrored(false, true).save(screenshot_path);
LOG_INFO(Frontend, "The screenshot is saved.");
},
layout);
}
void GRenderWindow::OnMinimalClientAreaChangeRequest(
const std::pair<unsigned, unsigned>& minimal_size) {
setMinimumSize(minimal_size.first, minimal_size.second);
}
void GRenderWindow::OnEmulationStarting(EmuThread* emu_thread) {
this->emu_thread = emu_thread;
child->DisablePainting();
}
void GRenderWindow::OnEmulationStopping() {
emu_thread = nullptr;
child->EnablePainting();
}
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void GRenderWindow::showEvent(QShowEvent* event) {
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QWidget::showEvent(event);
// windowHandle() is not initialized until the Window is shown, so we connect it here.
connect(windowHandle(), &QWindow::screenChanged, this, &GRenderWindow::OnFramebufferSizeChanged,
Qt::UniqueConnection);
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}