suyu/src/yuzu/bootmanager.cpp

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#include <QApplication>
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#include <QHBoxLayout>
#include <QKeyEvent>
#include <QScreen>
#include <QWindow>
#include <fmt/format.h>
#include "common/microprofile.h"
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#include "common/scm_rev.h"
#include "common/string_util.h"
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#include "core/core.h"
#include "core/frontend/framebuffer_layout.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 "yuzu/bootmanager.h"
EmuThread::EmuThread(GRenderWindow* render_window) : render_window(render_window) {}
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void EmuThread::run() {
if (!Settings::values.use_multi_core) {
// Single core mode must acquire OpenGL context for entire emulation session
render_window->MakeCurrent();
}
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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) {
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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std::string window_title = fmt::format("yuzu {} | {}-{}", 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();
// 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() {
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// 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() {
// windowHandle() might not be accessible until the window is displayed to screen.
return windowHandle() ? windowHandle()->screen()->devicePixelRatio() : 1.0f;
}
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) {
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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) {
InputCommon::GetMotionEmu()->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));
InputCommon::GetMotionEmu()->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)
InputCommon::GetMotionEmu()->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);
// 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(Layout::ScreenUndocked::Width, Layout::ScreenUndocked::Height);
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) {
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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}