yuzu/src/citra_qt/bootmanager.cpp

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#include <QApplication>
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#include <QHBoxLayout>
#include <QKeyEvent>
#if QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)
// Required for screen DPI information
#include <QScreen>
#include <QWindow>
#endif
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#include "citra_qt/bootmanager.h"
#include "common/microprofile.h"
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#include "common/scm_rev.h"
#include "common/string_util.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"
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EmuThread::EmuThread(GRenderWindow* render_window)
: exec_step(false), running(false), stop_run(false), 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::Success) {
emit ErrorThrown(result);
}
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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std::string window_title = Common::StringFromFormat("Citra %s| %s-%s", Common::g_build_name,
Common::g_scm_branch, Common::g_scm_desc);
setWindowTitle(QString::fromStdString(window_title));
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InputCommon::Init();
}
GRenderWindow::~GRenderWindow() {
InputCommon::Shutdown();
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}
void GRenderWindow::moveContext() {
DoneCurrent();
// 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() && emu_thread != nullptr)
? emu_thread
: qApp->thread();
child->context()->moveToThread(thread);
#endif
}
void GRenderWindow::SwapBuffers() {
#if !defined(QT_NO_DEBUG)
// Qt debug runtime prints a bogus warning on the console if you haven't called makeCurrent
// since the last time you called swapBuffers. This presumably means something if you're using
// QGLWidget the "regular" way, but in our multi-threaded use case is harmless since we never
// call doneCurrent in this thread.
child->makeCurrent();
#endif
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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() {
#if QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)
// windowHandle() might not be accessible until the window is displayed to screen.
return windowHandle() ? windowHandle()->screen()->devicePixelRatio() : 1.0f;
#else
return 1.0f;
#endif
}
void GRenderWindow::closeEvent(QCloseEvent* event) {
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motion_emu = nullptr;
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) {
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auto pos = event->pos();
if (event->button() == Qt::LeftButton) {
qreal pixelRatio = windowPixelRatio();
this->TouchPressed(static_cast<unsigned>(pos.x() * pixelRatio),
static_cast<unsigned>(pos.y() * pixelRatio));
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} else if (event->button() == Qt::RightButton) {
motion_emu->BeginTilt(pos.x(), pos.y());
}
}
void GRenderWindow::mouseMoveEvent(QMouseEvent* event) {
auto pos = event->pos();
qreal pixelRatio = windowPixelRatio();
this->TouchMoved(std::max(static_cast<unsigned>(pos.x() * pixelRatio), 0u),
std::max(static_cast<unsigned>(pos.y() * pixelRatio), 0u));
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motion_emu->Tilt(pos.x(), pos.y());
}
void GRenderWindow::mouseReleaseEvent(QMouseEvent* event) {
if (event->button() == Qt::LeftButton)
this->TouchReleased();
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else if (event->button() == Qt::RightButton)
motion_emu->EndTilt();
}
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::OnMinimalClientAreaChangeRequest(
const std::pair<unsigned, unsigned>& minimal_size) {
setMinimumSize(minimal_size.first, minimal_size.second);
}
void GRenderWindow::OnEmulationStarting(EmuThread* emu_thread) {
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motion_emu = std::make_unique<Motion::MotionEmu>(*this);
this->emu_thread = emu_thread;
child->DisablePainting();
}
void GRenderWindow::OnEmulationStopping() {
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motion_emu = nullptr;
emu_thread = nullptr;
child->EnablePainting();
}
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void GRenderWindow::showEvent(QShowEvent* event) {
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QWidget::showEvent(event);
#if QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)
// windowHandle() is not initialized until the Window is shown, so we connect it here.
connect(this->windowHandle(), SIGNAL(screenChanged(QScreen*)), this,
SLOT(OnFramebufferSizeChanged()), Qt::UniqueConnection);
#endif
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}