yuzu-fork/src/yuzu/bootmanager.cpp
Lioncash 54e9f9b6ed yuzu/bootmanager: Replace unnnecessary constructor initializer list member of GGLContext
The default constructor will always run, even when not specified, so
this is redundant.

However, the context member can indeed be initialized in the constructor
initializer list.
2019-04-17 00:04:10 -04:00

458 lines
15 KiB
C++

// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <QApplication>
#include <QHBoxLayout>
#include <QKeyEvent>
#include <QOffscreenSurface>
#include <QOpenGLWindow>
#include <QPainter>
#include <QScreen>
#include <QWindow>
#include <fmt/format.h>
#include "common/microprofile.h"
#include "common/scm_rev.h"
#include "core/core.h"
#include "core/frontend/framebuffer_layout.h"
#include "core/settings.h"
#include "input_common/keyboard.h"
#include "input_common/main.h"
#include "input_common/motion_emu.h"
#include "video_core/renderer_base.h"
#include "video_core/video_core.h"
#include "yuzu/bootmanager.h"
#include "yuzu/main.h"
EmuThread::EmuThread(GRenderWindow* render_window) : render_window(render_window) {}
void EmuThread::run() {
render_window->MakeCurrent();
MicroProfileOnThreadCreate("EmuThread");
emit LoadProgress(VideoCore::LoadCallbackStage::Prepare, 0, 0);
Core::System::GetInstance().Renderer().Rasterizer().LoadDiskResources(
stop_run, [this](VideoCore::LoadCallbackStage stage, std::size_t value, std::size_t total) {
emit LoadProgress(stage, value, total);
});
emit LoadProgress(VideoCore::LoadCallbackStage::Complete, 0, 0);
if (Settings::values.use_asynchronous_gpu_emulation) {
// Release OpenGL context for the GPU thread
render_window->DoneCurrent();
}
// 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 lock{running_mutex};
running_cv.wait(lock, [this] { return IsRunning() || exec_step || stop_run; });
}
}
// Shutdown the core emulation
Core::System::GetInstance().Shutdown();
#if MICROPROFILE_ENABLED
MicroProfileOnThreadExit();
#endif
render_window->moveContext();
}
class GGLContext : public Core::Frontend::GraphicsContext {
public:
explicit GGLContext(QOpenGLContext* shared_context)
: context{std::make_unique<QOpenGLContext>(shared_context)} {
surface.setFormat(shared_context->format());
surface.create();
}
void MakeCurrent() override {
context->makeCurrent(&surface);
}
void DoneCurrent() override {
context->doneCurrent();
}
void SwapBuffers() override {}
private:
std::unique_ptr<QOpenGLContext> context;
QOffscreenSurface surface;
};
// This class overrides paintEvent and resizeEvent to prevent the GUI thread from stealing GL
// context.
// The corresponding functionality is handled in EmuThread instead
class GGLWidgetInternal : public QOpenGLWindow {
public:
GGLWidgetInternal(GRenderWindow* parent, QOpenGLContext* shared_context)
: QOpenGLWindow(shared_context), parent(parent) {}
void paintEvent(QPaintEvent* ev) override {
if (do_painting) {
QPainter painter(this);
}
}
void resizeEvent(QResizeEvent* ev) override {
parent->OnClientAreaResized(ev->size().width(), ev->size().height());
parent->OnFramebufferSizeChanged();
}
void keyPressEvent(QKeyEvent* event) override {
InputCommon::GetKeyboard()->PressKey(event->key());
}
void keyReleaseEvent(QKeyEvent* event) override {
InputCommon::GetKeyboard()->ReleaseKey(event->key());
}
void mousePressEvent(QMouseEvent* event) override {
if (event->source() == Qt::MouseEventSynthesizedBySystem)
return; // touch input is handled in TouchBeginEvent
const auto pos{event->pos()};
if (event->button() == Qt::LeftButton) {
const auto [x, y] = parent->ScaleTouch(pos);
parent->TouchPressed(x, y);
} else if (event->button() == Qt::RightButton) {
InputCommon::GetMotionEmu()->BeginTilt(pos.x(), pos.y());
}
}
void mouseMoveEvent(QMouseEvent* event) override {
if (event->source() == Qt::MouseEventSynthesizedBySystem)
return; // touch input is handled in TouchUpdateEvent
const auto pos{event->pos()};
const auto [x, y] = parent->ScaleTouch(pos);
parent->TouchMoved(x, y);
InputCommon::GetMotionEmu()->Tilt(pos.x(), pos.y());
}
void mouseReleaseEvent(QMouseEvent* event) override {
if (event->source() == Qt::MouseEventSynthesizedBySystem)
return; // touch input is handled in TouchEndEvent
if (event->button() == Qt::LeftButton)
parent->TouchReleased();
else if (event->button() == Qt::RightButton)
InputCommon::GetMotionEmu()->EndTilt();
}
void DisablePainting() {
do_painting = false;
}
void EnablePainting() {
do_painting = true;
}
private:
GRenderWindow* parent;
bool do_painting;
};
GRenderWindow::GRenderWindow(QWidget* parent, EmuThread* emu_thread)
: QWidget(parent), emu_thread(emu_thread) {
setWindowTitle(QStringLiteral("yuzu %1 | %2-%3")
.arg(Common::g_build_name, Common::g_scm_branch, Common::g_scm_desc));
setAttribute(Qt::WA_AcceptTouchEvents);
InputCommon::Init();
connect(this, &GRenderWindow::FirstFrameDisplayed, static_cast<GMainWindow*>(parent),
&GMainWindow::OnLoadComplete);
}
GRenderWindow::~GRenderWindow() {
InputCommon::Shutdown();
}
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();
context->moveToThread(thread);
}
void GRenderWindow::SwapBuffers() {
// In our multi-threaded QWidget 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.
context->makeCurrent(child);
context->swapBuffers(child);
if (!first_frame) {
emit FirstFrameDisplayed();
first_frame = true;
}
}
void GRenderWindow::MakeCurrent() {
context->makeCurrent(child);
}
void GRenderWindow::DoneCurrent() {
context->doneCurrent();
}
void GRenderWindow::PollEvents() {}
// 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 = GetWindowPixelRatio();
unsigned width = child->QPaintDevice::width() * pixelRatio;
unsigned height = child->QPaintDevice::height() * pixelRatio;
UpdateCurrentFramebufferLayout(width, height);
}
void GRenderWindow::ForwardKeyPressEvent(QKeyEvent* event) {
if (child) {
child->keyPressEvent(event);
}
}
void GRenderWindow::ForwardKeyReleaseEvent(QKeyEvent* event) {
if (child) {
child->keyReleaseEvent(event);
}
}
void GRenderWindow::BackupGeometry() {
geometry = ((QWidget*)this)->saveGeometry();
}
void GRenderWindow::RestoreGeometry() {
// We don't want to back up the geometry here (obviously)
QWidget::restoreGeometry(geometry);
}
void GRenderWindow::restoreGeometry(const QByteArray& geometry) {
// Make sure users of this class don't need to deal with backing up the geometry themselves
QWidget::restoreGeometry(geometry);
BackupGeometry();
}
QByteArray GRenderWindow::saveGeometry() {
// If we are a top-level widget, store the current geometry
// otherwise, store the last backup
if (parent() == nullptr)
return ((QWidget*)this)->saveGeometry();
else
return geometry;
}
qreal GRenderWindow::GetWindowPixelRatio() 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 = GetWindowPixelRatio();
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::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));
}
std::unique_ptr<Core::Frontend::GraphicsContext> GRenderWindow::CreateSharedContext() const {
return std::make_unique<GGLContext>(shared_context.get());
}
void GRenderWindow::InitRenderTarget() {
shared_context.reset();
context.reset();
delete child;
child = nullptr;
delete container;
container = nullptr;
delete layout();
first_frame = false;
// TODO: One of these flags might be interesting: WA_OpaquePaintEvent, WA_NoBackground,
// WA_DontShowOnScreen, WA_DeleteOnClose
QSurfaceFormat fmt;
fmt.setVersion(4, 3);
fmt.setProfile(QSurfaceFormat::CoreProfile);
// TODO: expose a setting for buffer value (ie default/single/double/triple)
fmt.setSwapBehavior(QSurfaceFormat::DefaultSwapBehavior);
shared_context = std::make_unique<QOpenGLContext>();
shared_context->setFormat(fmt);
shared_context->create();
context = std::make_unique<QOpenGLContext>();
context->setShareContext(shared_context.get());
context->setFormat(fmt);
context->create();
fmt.setSwapInterval(false);
child = new GGLWidgetInternal(this, shared_context.get());
container = QWidget::createWindowContainer(child, this);
QBoxLayout* layout = new QHBoxLayout(this);
layout->addWidget(container);
layout->setMargin(0);
setLayout(layout);
// Reset minimum size to avoid unwanted resizes when this function is called for a second time.
setMinimumSize(1, 1);
// Show causes the window to actually be created and the OpenGL context as well, but we don't
// want the widget to be shown yet, so immediately hide it.
show();
hide();
resize(Layout::ScreenUndocked::Width, Layout::ScreenUndocked::Height);
child->resize(Layout::ScreenUndocked::Width, Layout::ScreenUndocked::Height);
container->resize(Layout::ScreenUndocked::Width, Layout::ScreenUndocked::Height);
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) {
auto& renderer = Core::System::GetInstance().Renderer();
if (!res_scale)
res_scale = VideoCore::GetResolutionScaleFactor(renderer);
const Layout::FramebufferLayout layout{Layout::FrameLayoutFromResolutionScale(res_scale)};
screenshot_image = QImage(QSize(layout.width, layout.height), QImage::Format_RGB32);
renderer.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();
}
void GRenderWindow::showEvent(QShowEvent* event) {
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);
}