1 files changed, 176 insertions, 102 deletions

diff --git a/src/yuzu/bootmanager.cpp b/src/yuzu/bootmanager.cpp
index 3b070bfbb..07a720494 100644
--- a/src/yuzu/bootmanager.cpp
+++ b/src/yuzu/bootmanager.cpp
@@ -1,6 +1,13 @@
+// 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>
@@ -19,13 +26,13 @@
 
 EmuThread::EmuThread(GRenderWindow* render_window) : render_window(render_window) {}
 
+EmuThread::~EmuThread() = default;
+
 void EmuThread::run() {
     render_window->MakeCurrent();
 
     MicroProfileOnThreadCreate("EmuThread");
 
-    stop_run = false;
-
     emit LoadProgress(VideoCore::LoadCallbackStage::Prepare, 0, 0);
 
     Core::System::GetInstance().Renderer().Rasterizer().LoadDiskResources(
@@ -40,7 +47,7 @@ void EmuThread::run() {
         render_window->DoneCurrent();
     }
 
-    // holds whether the cpu was running during the last iteration,
+    // 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;
@@ -69,7 +76,7 @@ void EmuThread::run() {
 
             was_active = false;
         } else {
-            std::unique_lock<std::mutex> lock(running_mutex);
+            std::unique_lock lock{running_mutex};
             running_cv.wait(lock, [this] { return IsRunning() || exec_step || stop_run; });
         }
     }
@@ -84,13 +91,36 @@ void EmuThread::run() {
     render_window->moveContext();
 }
 
+class GGLContext : public Core::Frontend::GraphicsContext {
+public:
+    explicit GGLContext(QOpenGLContext* shared_context) : shared_context{shared_context} {
+        context.setFormat(shared_context->format());
+        context.setShareContext(shared_context);
+        context.create();
+    }
+
+    void MakeCurrent() override {
+        context.makeCurrent(shared_context->surface());
+    }
+
+    void DoneCurrent() override {
+        context.doneCurrent();
+    }
+
+    void SwapBuffers() override {}
+
+private:
+    QOpenGLContext* shared_context;
+    QOpenGLContext context;
+};
+
 // 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 QGLWidget {
+class GGLWidgetInternal : public QOpenGLWindow {
 public:
-    GGLWidgetInternal(QGLFormat fmt, GRenderWindow* parent)
-        : QGLWidget(fmt, parent), parent(parent) {}
+    GGLWidgetInternal(GRenderWindow* parent, QOpenGLContext* shared_context)
+        : QOpenGLWindow(shared_context), parent(parent) {}
 
     void paintEvent(QPaintEvent* ev) override {
         if (do_painting) {
@@ -103,9 +133,51 @@ public:
         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;
     }
@@ -115,17 +187,16 @@ private:
     bool do_painting;
 };
 
-GRenderWindow::GRenderWindow(QWidget* parent, EmuThread* emu_thread)
-    : QWidget(parent), child(nullptr), emu_thread(emu_thread) {
-
+GRenderWindow::GRenderWindow(GMainWindow* 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));
+                       .arg(QString::fromUtf8(Common::g_build_name),
+                            QString::fromUtf8(Common::g_scm_branch),
+                            QString::fromUtf8(Common::g_scm_desc)));
     setAttribute(Qt::WA_AcceptTouchEvents);
 
     InputCommon::Init();
-    InputCommon::StartJoystickEventHandler();
-    connect(this, &GRenderWindow::FirstFrameDisplayed, static_cast<GMainWindow*>(parent),
-            &GMainWindow::OnLoadComplete);
+    connect(this, &GRenderWindow::FirstFrameDisplayed, parent, &GMainWindow::OnLoadComplete);
 }
 
 GRenderWindow::~GRenderWindow() {
@@ -140,19 +211,19 @@ void GRenderWindow::moveContext() {
     auto thread = (QThread::currentThread() == qApp->thread() && emu_thread != nullptr)
                       ? emu_thread
                       : qApp->thread();
-    child->context()->moveToThread(thread);
+    context->moveToThread(thread);
 }
 
 void GRenderWindow::SwapBuffers() {
-    // In our multi-threaded QGLWidget use case we shouldn't need to call `makeCurrent`,
+    // 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.
-    child->makeCurrent();
+    // - On macOS, if `makeCurrent` isn't called explicitly, resizing the buffer breaks.
+    context->makeCurrent(child);
 
-    child->swapBuffers();
+    context->swapBuffers(child);
     if (!first_frame) {
         emit FirstFrameDisplayed();
         first_frame = true;
@@ -160,11 +231,11 @@ void GRenderWindow::SwapBuffers() {
 }
 
 void GRenderWindow::MakeCurrent() {
-    child->makeCurrent();
+    context->makeCurrent(child);
 }
 
 void GRenderWindow::DoneCurrent() {
-    child->doneCurrent();
+    context->doneCurrent();
 }
 
 void GRenderWindow::PollEvents() {}
@@ -177,14 +248,26 @@ void GRenderWindow::PollEvents() {}
 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;
+    const qreal pixel_ratio = GetWindowPixelRatio();
+    const u32 width = child->QPaintDevice::width() * pixel_ratio;
+    const u32 height = child->QPaintDevice::height() * pixel_ratio;
     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 = ((QGLWidget*)this)->saveGeometry();
+    geometry = QWidget::saveGeometry();
 }
 
 void GRenderWindow::RestoreGeometry() {
@@ -201,21 +284,22 @@ void GRenderWindow::restoreGeometry(const QByteArray& geometry) {
 QByteArray GRenderWindow::saveGeometry() {
     // If we are a top-level widget, store the current geometry
     // otherwise, store the last backup
-    if (parent() == nullptr)
-        return ((QGLWidget*)this)->saveGeometry();
-    else
-        return geometry;
+    if (parent() == nullptr) {
+        return QWidget::saveGeometry();
+    }
+
+    return geometry;
 }
 
-qreal GRenderWindow::windowPixelRatio() const {
+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 = 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}))};
+std::pair<u32, u32> GRenderWindow::ScaleTouch(const QPointF pos) const {
+    const qreal pixel_ratio = GetWindowPixelRatio();
+    return {static_cast<u32>(std::max(std::round(pos.x() * pixel_ratio), qreal{0.0})),
+            static_cast<u32>(std::max(std::round(pos.y() * pixel_ratio), qreal{0.0}))};
 }
 
 void GRenderWindow::closeEvent(QCloseEvent* event) {
@@ -223,47 +307,6 @@ void GRenderWindow::closeEvent(QCloseEvent* event) {
     QWidget::closeEvent(event);
 }
 
-void GRenderWindow::keyPressEvent(QKeyEvent* event) {
-    InputCommon::GetKeyboard()->PressKey(event->key());
-}
-
-void GRenderWindow::keyReleaseEvent(QKeyEvent* event) {
-    InputCommon::GetKeyboard()->ReleaseKey(event->key());
-}
-
-void GRenderWindow::mousePressEvent(QMouseEvent* event) {
-    if (event->source() == Qt::MouseEventSynthesizedBySystem)
-        return; // touch input is handled in TouchBeginEvent
-
-    auto pos = event->pos();
-    if (event->button() == Qt::LeftButton) {
-        const auto [x, y] = ScaleTouch(pos);
-        this->TouchPressed(x, y);
-    } 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();
-    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());
@@ -312,39 +355,65 @@ void GRenderWindow::focusOutEvent(QFocusEvent* event) {
     InputCommon::GetKeyboard()->ReleaseAllKeys();
 }
 
-void GRenderWindow::OnClientAreaResized(unsigned width, unsigned height) {
+void GRenderWindow::OnClientAreaResized(u32 width, u32 height) {
     NotifyClientAreaSizeChanged(std::make_pair(width, height));
 }
 
+std::unique_ptr<Core::Frontend::GraphicsContext> GRenderWindow::CreateSharedContext() const {
+    return std::make_unique<GGLContext>(context.get());
+}
+
 void GRenderWindow::InitRenderTarget() {
-    if (child) {
-        delete child;
-    }
+    shared_context.reset();
+    context.reset();
 
-    if (layout()) {
-        delete layout();
-    }
+    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
-    QGLFormat fmt;
+    QSurfaceFormat fmt;
     fmt.setVersion(4, 3);
-    fmt.setProfile(QGLFormat::CoreProfile);
-    fmt.setSwapInterval(false);
+    fmt.setProfile(QSurfaceFormat::CompatibilityProfile);
+    fmt.setOption(QSurfaceFormat::FormatOption::DeprecatedFunctions);
+    // 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(0);
+
+    child = new GGLWidgetInternal(this, shared_context.get());
+    container = QWidget::createWindowContainer(child, this);
 
-    // 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->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();
@@ -353,24 +422,29 @@ void GRenderWindow::InitRenderTarget() {
     BackupGeometry();
 }
 
-void GRenderWindow::CaptureScreenshot(u16 res_scale, const QString& screenshot_path) {
+void GRenderWindow::CaptureScreenshot(u32 res_scale, const QString& screenshot_path) {
     auto& renderer = Core::System::GetInstance().Renderer();
 
-    if (!res_scale)
+    if (res_scale == 0) {
         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);
+    renderer.RequestScreenshot(
+        screenshot_image.bits(),
+        [=] {
+            const std::string std_screenshot_path = screenshot_path.toStdString();
+            if (screenshot_image.mirrored(false, true).save(screenshot_path)) {
+                LOG_INFO(Frontend, "Screenshot saved to \"{}\"", std_screenshot_path);
+            } else {
+                LOG_ERROR(Frontend, "Failed to save screenshot to \"{}\"", std_screenshot_path);
+            }
+        },
+        layout);
 }
 
-void GRenderWindow::OnMinimalClientAreaChangeRequest(
-    const std::pair<unsigned, unsigned>& minimal_size) {
+void GRenderWindow::OnMinimalClientAreaChangeRequest(std::pair<u32, u32> minimal_size) {
     setMinimumSize(minimal_size.first, minimal_size.second);
 }