Merge pull request #2017 from jroweboy/glwidget
Frontend: Migrate to QOpenGLWindow and support shared contexts
This commit is contained in:
commit
065f83c6c3
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@ -12,6 +12,23 @@
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namespace Core::Frontend {
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/**
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* Represents a graphics context that can be used for background computation or drawing. If the
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* graphics backend doesn't require the context, then the implementation of these methods can be
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* stubs
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*/
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class GraphicsContext {
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public:
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/// Makes the graphics context current for the caller thread
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virtual void MakeCurrent() = 0;
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/// Releases (dunno if this is the "right" word) the context from the caller thread
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virtual void DoneCurrent() = 0;
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/// Swap buffers to display the next frame
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virtual void SwapBuffers() = 0;
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};
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/**
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* Abstraction class used to provide an interface between emulation code and the frontend
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* (e.g. SDL, QGLWidget, GLFW, etc...).
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@ -30,7 +47,7 @@ namespace Core::Frontend {
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* - DO NOT TREAT THIS CLASS AS A GUI TOOLKIT ABSTRACTION LAYER. That's not what it is. Please
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* re-read the upper points again and think about it if you don't see this.
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*/
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class EmuWindow {
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class EmuWindow : public GraphicsContext {
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public:
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/// Data structure to store emuwindow configuration
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struct WindowConfig {
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@ -40,17 +57,21 @@ public:
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std::pair<unsigned, unsigned> min_client_area_size;
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};
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/// Swap buffers to display the next frame
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virtual void SwapBuffers() = 0;
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/// Polls window events
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virtual void PollEvents() = 0;
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/// Makes the graphics context current for the caller thread
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virtual void MakeCurrent() = 0;
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/// Releases (dunno if this is the "right" word) the GLFW context from the caller thread
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virtual void DoneCurrent() = 0;
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/**
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* Returns a GraphicsContext that the frontend provides that is shared with the emu window. This
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* context can be used from other threads for background graphics computation. If the frontend
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* is using a graphics backend that doesn't need anything specific to run on a different thread,
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* then it can use a stubbed implemenation for GraphicsContext.
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*
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* If the return value is null, then the core should assume that the frontend cannot provide a
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* Shared Context
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*/
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virtual std::unique_ptr<GraphicsContext> CreateSharedContext() const {
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return nullptr;
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}
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/**
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* Signal that a touch pressed event has occurred (e.g. mouse click pressed)
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@ -1,6 +1,13 @@
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// Copyright 2014 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <QApplication>
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#include <QHBoxLayout>
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#include <QKeyEvent>
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#include <QOffscreenSurface>
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#include <QOpenGLWindow>
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#include <QPainter>
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#include <QScreen>
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#include <QWindow>
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#include <fmt/format.h>
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@ -82,13 +89,36 @@ void EmuThread::run() {
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render_window->moveContext();
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}
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class GGLContext : public Core::Frontend::GraphicsContext {
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public:
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explicit GGLContext(QOpenGLContext* shared_context) : surface() {
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context = std::make_unique<QOpenGLContext>(shared_context);
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surface.setFormat(shared_context->format());
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surface.create();
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}
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void MakeCurrent() override {
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context->makeCurrent(&surface);
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}
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void DoneCurrent() override {
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context->doneCurrent();
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}
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void SwapBuffers() override {}
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private:
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std::unique_ptr<QOpenGLContext> context;
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QOffscreenSurface surface;
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};
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// This class overrides paintEvent and resizeEvent to prevent the GUI thread from stealing GL
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// context.
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// The corresponding functionality is handled in EmuThread instead
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class GGLWidgetInternal : public QGLWidget {
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class GGLWidgetInternal : public QOpenGLWindow {
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public:
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GGLWidgetInternal(QGLFormat fmt, GRenderWindow* parent)
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: QGLWidget(fmt, parent), parent(parent) {}
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GGLWidgetInternal(GRenderWindow* parent, QOpenGLContext* shared_context)
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: QOpenGLWindow(shared_context), parent(parent) {}
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void paintEvent(QPaintEvent* ev) override {
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if (do_painting) {
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@ -101,9 +131,51 @@ public:
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parent->OnFramebufferSizeChanged();
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}
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void keyPressEvent(QKeyEvent* event) override {
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InputCommon::GetKeyboard()->PressKey(event->key());
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}
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void keyReleaseEvent(QKeyEvent* event) override {
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InputCommon::GetKeyboard()->ReleaseKey(event->key());
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}
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void mousePressEvent(QMouseEvent* event) override {
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if (event->source() == Qt::MouseEventSynthesizedBySystem)
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return; // touch input is handled in TouchBeginEvent
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const auto pos{event->pos()};
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if (event->button() == Qt::LeftButton) {
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const auto [x, y] = parent->ScaleTouch(pos);
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parent->TouchPressed(x, y);
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} else if (event->button() == Qt::RightButton) {
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InputCommon::GetMotionEmu()->BeginTilt(pos.x(), pos.y());
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}
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}
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void mouseMoveEvent(QMouseEvent* event) override {
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if (event->source() == Qt::MouseEventSynthesizedBySystem)
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return; // touch input is handled in TouchUpdateEvent
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const auto pos{event->pos()};
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const auto [x, y] = parent->ScaleTouch(pos);
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parent->TouchMoved(x, y);
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InputCommon::GetMotionEmu()->Tilt(pos.x(), pos.y());
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}
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void mouseReleaseEvent(QMouseEvent* event) override {
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if (event->source() == Qt::MouseEventSynthesizedBySystem)
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return; // touch input is handled in TouchEndEvent
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if (event->button() == Qt::LeftButton)
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parent->TouchReleased();
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else if (event->button() == Qt::RightButton)
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InputCommon::GetMotionEmu()->EndTilt();
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}
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void DisablePainting() {
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do_painting = false;
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}
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void EnablePainting() {
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do_painting = true;
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}
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@ -114,7 +186,7 @@ private:
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};
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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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: QWidget(parent), child(nullptr), context(nullptr), emu_thread(emu_thread) {
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setWindowTitle(QStringLiteral("yuzu %1 | %2-%3")
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.arg(Common::g_build_name, Common::g_scm_branch, Common::g_scm_desc));
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@ -137,19 +209,19 @@ void GRenderWindow::moveContext() {
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auto thread = (QThread::currentThread() == qApp->thread() && emu_thread != nullptr)
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? emu_thread
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: qApp->thread();
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child->context()->moveToThread(thread);
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context->moveToThread(thread);
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}
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void GRenderWindow::SwapBuffers() {
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// In our multi-threaded QGLWidget use case we shouldn't need to call `makeCurrent`,
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// In our multi-threaded QWidget use case we shouldn't need to call `makeCurrent`,
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// since we never call `doneCurrent` in this thread.
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// However:
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// - The Qt debug runtime prints a bogus warning on the console if `makeCurrent` wasn't called
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// since the last time `swapBuffers` was executed;
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// - On macOS, if `makeCurrent` isn't called explicitely, resizing the buffer breaks.
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child->makeCurrent();
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context->makeCurrent(child);
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child->swapBuffers();
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context->swapBuffers(child);
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if (!first_frame) {
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emit FirstFrameDisplayed();
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first_frame = true;
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@ -157,11 +229,11 @@ void GRenderWindow::SwapBuffers() {
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}
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void GRenderWindow::MakeCurrent() {
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child->makeCurrent();
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context->makeCurrent(child);
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}
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void GRenderWindow::DoneCurrent() {
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child->doneCurrent();
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context->doneCurrent();
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}
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void GRenderWindow::PollEvents() {}
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@ -174,14 +246,26 @@ void GRenderWindow::PollEvents() {}
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void GRenderWindow::OnFramebufferSizeChanged() {
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// Screen changes potentially incur a change in screen DPI, hence we should update the
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// framebuffer size
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qreal pixelRatio = windowPixelRatio();
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qreal pixelRatio = GetWindowPixelRatio();
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unsigned width = child->QPaintDevice::width() * pixelRatio;
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unsigned height = child->QPaintDevice::height() * pixelRatio;
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UpdateCurrentFramebufferLayout(width, height);
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}
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void GRenderWindow::ForwardKeyPressEvent(QKeyEvent* event) {
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if (child) {
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child->keyPressEvent(event);
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}
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}
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void GRenderWindow::ForwardKeyReleaseEvent(QKeyEvent* event) {
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if (child) {
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child->keyReleaseEvent(event);
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}
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}
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void GRenderWindow::BackupGeometry() {
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geometry = ((QGLWidget*)this)->saveGeometry();
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geometry = ((QWidget*)this)->saveGeometry();
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}
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void GRenderWindow::RestoreGeometry() {
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@ -199,18 +283,18 @@ QByteArray GRenderWindow::saveGeometry() {
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// If we are a top-level widget, store the current geometry
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// otherwise, store the last backup
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if (parent() == nullptr)
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return ((QGLWidget*)this)->saveGeometry();
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return ((QWidget*)this)->saveGeometry();
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else
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return geometry;
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}
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qreal GRenderWindow::windowPixelRatio() const {
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qreal GRenderWindow::GetWindowPixelRatio() const {
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// windowHandle() might not be accessible until the window is displayed to screen.
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return windowHandle() ? windowHandle()->screen()->devicePixelRatio() : 1.0f;
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}
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std::pair<unsigned, unsigned> GRenderWindow::ScaleTouch(const QPointF pos) const {
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const qreal pixel_ratio = windowPixelRatio();
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const qreal pixel_ratio = GetWindowPixelRatio();
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return {static_cast<unsigned>(std::max(std::round(pos.x() * pixel_ratio), qreal{0.0})),
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static_cast<unsigned>(std::max(std::round(pos.y() * pixel_ratio), qreal{0.0}))};
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}
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@ -220,47 +304,6 @@ void GRenderWindow::closeEvent(QCloseEvent* event) {
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QWidget::closeEvent(event);
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}
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void GRenderWindow::keyPressEvent(QKeyEvent* event) {
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InputCommon::GetKeyboard()->PressKey(event->key());
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}
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void GRenderWindow::keyReleaseEvent(QKeyEvent* event) {
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InputCommon::GetKeyboard()->ReleaseKey(event->key());
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}
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void GRenderWindow::mousePressEvent(QMouseEvent* event) {
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if (event->source() == Qt::MouseEventSynthesizedBySystem)
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return; // touch input is handled in TouchBeginEvent
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auto pos = event->pos();
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if (event->button() == Qt::LeftButton) {
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const auto [x, y] = ScaleTouch(pos);
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this->TouchPressed(x, y);
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} else if (event->button() == Qt::RightButton) {
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InputCommon::GetMotionEmu()->BeginTilt(pos.x(), pos.y());
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}
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}
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void GRenderWindow::mouseMoveEvent(QMouseEvent* event) {
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if (event->source() == Qt::MouseEventSynthesizedBySystem)
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return; // touch input is handled in TouchUpdateEvent
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auto pos = event->pos();
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const auto [x, y] = ScaleTouch(pos);
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this->TouchMoved(x, y);
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InputCommon::GetMotionEmu()->Tilt(pos.x(), pos.y());
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}
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void GRenderWindow::mouseReleaseEvent(QMouseEvent* event) {
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if (event->source() == Qt::MouseEventSynthesizedBySystem)
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return; // touch input is handled in TouchEndEvent
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if (event->button() == Qt::LeftButton)
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this->TouchReleased();
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else if (event->button() == Qt::RightButton)
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InputCommon::GetMotionEmu()->EndTilt();
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}
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void GRenderWindow::TouchBeginEvent(const QTouchEvent* event) {
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// TouchBegin always has exactly one touch point, so take the .first()
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const auto [x, y] = ScaleTouch(event->touchPoints().first().pos());
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@ -313,35 +356,60 @@ void GRenderWindow::OnClientAreaResized(unsigned width, unsigned height) {
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NotifyClientAreaSizeChanged(std::make_pair(width, height));
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}
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void GRenderWindow::InitRenderTarget() {
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if (child) {
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delete child;
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std::unique_ptr<Core::Frontend::GraphicsContext> GRenderWindow::CreateSharedContext() const {
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return std::make_unique<GGLContext>(shared_context.get());
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}
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if (layout()) {
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void GRenderWindow::InitRenderTarget() {
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shared_context.reset();
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context.reset();
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delete child;
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child = nullptr;
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delete container;
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container = nullptr;
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delete layout();
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}
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first_frame = false;
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// TODO: One of these flags might be interesting: WA_OpaquePaintEvent, WA_NoBackground,
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// WA_DontShowOnScreen, WA_DeleteOnClose
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QGLFormat fmt;
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QSurfaceFormat fmt;
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fmt.setVersion(4, 3);
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fmt.setProfile(QGLFormat::CoreProfile);
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fmt.setProfile(QSurfaceFormat::CoreProfile);
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// TODO: expose a setting for buffer value (ie default/single/double/triple)
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fmt.setSwapBehavior(QSurfaceFormat::DefaultSwapBehavior);
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shared_context = std::make_unique<QOpenGLContext>();
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shared_context->setFormat(fmt);
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shared_context->create();
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context = std::make_unique<QOpenGLContext>();
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context->setShareContext(shared_context.get());
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context->setFormat(fmt);
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context->create();
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fmt.setSwapInterval(false);
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// Requests a forward-compatible context, which is required to get a 3.2+ context on OS X
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fmt.setOption(QGL::NoDeprecatedFunctions);
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child = new GGLWidgetInternal(this, shared_context.get());
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container = QWidget::createWindowContainer(child, this);
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child = new GGLWidgetInternal(fmt, this);
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QBoxLayout* layout = new QHBoxLayout(this);
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resize(Layout::ScreenUndocked::Width, Layout::ScreenUndocked::Height);
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layout->addWidget(child);
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layout->addWidget(container);
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layout->setMargin(0);
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setLayout(layout);
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// Reset minimum size to avoid unwanted resizes when this function is called for a second time.
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setMinimumSize(1, 1);
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// Show causes the window to actually be created and the OpenGL context as well, but we don't
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// want the widget to be shown yet, so immediately hide it.
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show();
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hide();
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resize(Layout::ScreenUndocked::Width, Layout::ScreenUndocked::Height);
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child->resize(Layout::ScreenUndocked::Width, Layout::ScreenUndocked::Height);
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container->resize(Layout::ScreenUndocked::Width, Layout::ScreenUndocked::Height);
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OnMinimalClientAreaChangeRequest(GetActiveConfig().min_client_area_size);
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OnFramebufferSizeChanged();
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@ -7,9 +7,9 @@
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#include <atomic>
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#include <condition_variable>
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#include <mutex>
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#include <QGLWidget>
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#include <QImage>
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#include <QThread>
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#include <QWidget>
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#include "common/thread.h"
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#include "core/core.h"
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#include "core/frontend/emu_window.h"
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@ -21,6 +21,8 @@ class QTouchEvent;
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class GGLWidgetInternal;
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class GMainWindow;
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class GRenderWindow;
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class QSurface;
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class QOpenGLContext;
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namespace VideoCore {
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enum class LoadCallbackStage;
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|
@ -121,25 +123,21 @@ public:
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void MakeCurrent() override;
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void DoneCurrent() override;
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void PollEvents() override;
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std::unique_ptr<Core::Frontend::GraphicsContext> CreateSharedContext() const override;
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void ForwardKeyPressEvent(QKeyEvent* event);
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void ForwardKeyReleaseEvent(QKeyEvent* event);
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void BackupGeometry();
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void RestoreGeometry();
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void restoreGeometry(const QByteArray& geometry); // overridden
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QByteArray saveGeometry(); // overridden
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qreal windowPixelRatio() const;
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qreal GetWindowPixelRatio() const;
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std::pair<unsigned, unsigned> ScaleTouch(const QPointF pos) const;
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void closeEvent(QCloseEvent* event) override;
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void keyPressEvent(QKeyEvent* event) override;
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void keyReleaseEvent(QKeyEvent* event) override;
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void mousePressEvent(QMouseEvent* event) override;
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void mouseMoveEvent(QMouseEvent* event) override;
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void mouseReleaseEvent(QMouseEvent* event) override;
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bool event(QEvent* event) override;
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void focusOutEvent(QFocusEvent* event) override;
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void OnClientAreaResized(unsigned width, unsigned height);
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|
@ -161,7 +159,6 @@ signals:
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void FirstFrameDisplayed();
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|
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private:
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std::pair<unsigned, unsigned> ScaleTouch(const QPointF pos) const;
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void TouchBeginEvent(const QTouchEvent* event);
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void TouchUpdateEvent(const QTouchEvent* event);
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void TouchEndEvent();
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|
@ -169,11 +166,17 @@ private:
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void OnMinimalClientAreaChangeRequest(
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const std::pair<unsigned, unsigned>& minimal_size) override;
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|
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GGLWidgetInternal* child;
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QWidget* container = nullptr;
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GGLWidgetInternal* child = nullptr;
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|
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QByteArray geometry;
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|
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EmuThread* emu_thread;
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// Context that backs the GGLWidgetInternal (and will be used by core to render)
|
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std::unique_ptr<QOpenGLContext> context;
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||||
// Context that will be shared between all newly created contexts. This should never be made
|
||||
// current
|
||||
std::unique_ptr<QOpenGLContext> shared_context;
|
||||
|
||||
/// Temporary storage of the screenshot taken
|
||||
QImage screenshot_image;
|
||||
|
|
|
@ -2031,6 +2031,18 @@ void GMainWindow::dragMoveEvent(QDragMoveEvent* event) {
|
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event->acceptProposedAction();
|
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}
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||||
|
||||
void GMainWindow::keyPressEvent(QKeyEvent* event) {
|
||||
if (render_window) {
|
||||
render_window->ForwardKeyPressEvent(event);
|
||||
}
|
||||
}
|
||||
|
||||
void GMainWindow::keyReleaseEvent(QKeyEvent* event) {
|
||||
if (render_window) {
|
||||
render_window->ForwardKeyReleaseEvent(event);
|
||||
}
|
||||
}
|
||||
|
||||
bool GMainWindow::ConfirmChangeGame() {
|
||||
if (emu_thread == nullptr)
|
||||
return true;
|
||||
|
@ -2098,7 +2110,8 @@ int main(int argc, char* argv[]) {
|
|||
QCoreApplication::setOrganizationName("yuzu team");
|
||||
QCoreApplication::setApplicationName("yuzu");
|
||||
|
||||
QApplication::setAttribute(Qt::AA_DontCheckOpenGLContextThreadAffinity);
|
||||
// Enables the core to make the qt created contexts current on std::threads
|
||||
QCoreApplication::setAttribute(Qt::AA_DontCheckOpenGLContextThreadAffinity);
|
||||
QApplication app(argc, argv);
|
||||
|
||||
// Qt changes the locale and causes issues in float conversion using std::to_string() when
|
||||
|
|
|
@ -252,4 +252,8 @@ protected:
|
|||
void dropEvent(QDropEvent* event) override;
|
||||
void dragEnterEvent(QDragEnterEvent* event) override;
|
||||
void dragMoveEvent(QDragMoveEvent* event) override;
|
||||
|
||||
// Overrides used to forward signals to the render window when the focus moves out.
|
||||
void keyPressEvent(QKeyEvent* event) override;
|
||||
void keyReleaseEvent(QKeyEvent* event) override;
|
||||
};
|
||||
|
|
|
@ -19,6 +19,37 @@
|
|||
#include "input_common/sdl/sdl.h"
|
||||
#include "yuzu_cmd/emu_window/emu_window_sdl2.h"
|
||||
|
||||
class SDLGLContext : public Core::Frontend::GraphicsContext {
|
||||
public:
|
||||
explicit SDLGLContext() {
|
||||
// create a hidden window to make the shared context against
|
||||
window = SDL_CreateWindow("", SDL_WINDOWPOS_UNDEFINED, // x position
|
||||
SDL_WINDOWPOS_UNDEFINED, // y position
|
||||
Layout::ScreenUndocked::Width, Layout::ScreenUndocked::Height,
|
||||
SDL_WINDOW_OPENGL | SDL_WINDOW_HIDDEN);
|
||||
context = SDL_GL_CreateContext(window);
|
||||
}
|
||||
|
||||
~SDLGLContext() {
|
||||
SDL_GL_DeleteContext(context);
|
||||
SDL_DestroyWindow(window);
|
||||
}
|
||||
|
||||
void MakeCurrent() override {
|
||||
SDL_GL_MakeCurrent(window, context);
|
||||
}
|
||||
|
||||
void DoneCurrent() override {
|
||||
SDL_GL_MakeCurrent(window, nullptr);
|
||||
}
|
||||
|
||||
void SwapBuffers() override {}
|
||||
|
||||
private:
|
||||
SDL_Window* window;
|
||||
SDL_GLContext context;
|
||||
};
|
||||
|
||||
void EmuWindow_SDL2::OnMouseMotion(s32 x, s32 y) {
|
||||
TouchMoved((unsigned)std::max(x, 0), (unsigned)std::max(y, 0));
|
||||
InputCommon::GetMotionEmu()->Tilt(x, y);
|
||||
|
@ -153,6 +184,7 @@ EmuWindow_SDL2::EmuWindow_SDL2(bool fullscreen) {
|
|||
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 8);
|
||||
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 8);
|
||||
SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, 0);
|
||||
SDL_GL_SetAttribute(SDL_GL_SHARE_WITH_CURRENT_CONTEXT, 1);
|
||||
|
||||
std::string window_title = fmt::format("yuzu {} | {}-{}", Common::g_build_fullname,
|
||||
Common::g_scm_branch, Common::g_scm_desc);
|
||||
|
@ -171,7 +203,6 @@ EmuWindow_SDL2::EmuWindow_SDL2(bool fullscreen) {
|
|||
if (fullscreen) {
|
||||
Fullscreen();
|
||||
}
|
||||
|
||||
gl_context = SDL_GL_CreateContext(render_window);
|
||||
|
||||
if (gl_context == nullptr) {
|
||||
|
@ -278,3 +309,7 @@ void EmuWindow_SDL2::OnMinimalClientAreaChangeRequest(
|
|||
|
||||
SDL_SetWindowMinimumSize(render_window, minimal_size.first, minimal_size.second);
|
||||
}
|
||||
|
||||
std::unique_ptr<Core::Frontend::GraphicsContext> EmuWindow_SDL2::CreateSharedContext() const {
|
||||
return std::make_unique<SDLGLContext>();
|
||||
}
|
||||
|
|
|
@ -27,6 +27,8 @@ public:
|
|||
/// Releases the GL context from the caller thread
|
||||
void DoneCurrent() override;
|
||||
|
||||
std::unique_ptr<Core::Frontend::GraphicsContext> CreateSharedContext() const override;
|
||||
|
||||
/// Whether the window is still open, and a close request hasn't yet been sent
|
||||
bool IsOpen() const;
|
||||
|
||||
|
|
Loading…
Reference in New Issue