diff --git a/src/core/frontend/emu_window.h b/src/core/frontend/emu_window.h index d0bcb46601..70a5225568 100644 --- a/src/core/frontend/emu_window.h +++ b/src/core/frontend/emu_window.h @@ -12,6 +12,23 @@ namespace Core::Frontend { +/** + * Represents a graphics context that can be used for background computation or drawing. If the + * graphics backend doesn't require the context, then the implementation of these methods can be + * stubs + */ +class GraphicsContext { +public: + /// Makes the graphics context current for the caller thread + virtual void MakeCurrent() = 0; + + /// Releases (dunno if this is the "right" word) the context from the caller thread + virtual void DoneCurrent() = 0; + + /// Swap buffers to display the next frame + virtual void SwapBuffers() = 0; +}; + /** * Abstraction class used to provide an interface between emulation code and the frontend * (e.g. SDL, QGLWidget, GLFW, etc...). @@ -30,7 +47,7 @@ namespace Core::Frontend { * - DO NOT TREAT THIS CLASS AS A GUI TOOLKIT ABSTRACTION LAYER. That's not what it is. Please * re-read the upper points again and think about it if you don't see this. */ -class EmuWindow { +class EmuWindow : public GraphicsContext { public: /// Data structure to store emuwindow configuration struct WindowConfig { @@ -40,17 +57,21 @@ public: std::pair min_client_area_size; }; - /// Swap buffers to display the next frame - virtual void SwapBuffers() = 0; - /// Polls window events virtual void PollEvents() = 0; - /// Makes the graphics context current for the caller thread - virtual void MakeCurrent() = 0; - - /// Releases (dunno if this is the "right" word) the GLFW context from the caller thread - virtual void DoneCurrent() = 0; + /** + * Returns a GraphicsContext that the frontend provides that is shared with the emu window. This + * context can be used from other threads for background graphics computation. If the frontend + * is using a graphics backend that doesn't need anything specific to run on a different thread, + * then it can use a stubbed implemenation for GraphicsContext. + * + * If the return value is null, then the core should assume that the frontend cannot provide a + * Shared Context + */ + virtual std::unique_ptr CreateSharedContext() const { + return nullptr; + } /** * Signal that a touch pressed event has occurred (e.g. mouse click pressed) diff --git a/src/yuzu/bootmanager.cpp b/src/yuzu/bootmanager.cpp index 7438fbc0ab..c29f2d2dc1 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 #include #include +#include +#include +#include #include #include #include @@ -82,13 +89,36 @@ void EmuThread::run() { render_window->moveContext(); } +class GGLContext : public Core::Frontend::GraphicsContext { +public: + explicit GGLContext(QOpenGLContext* shared_context) : surface() { + context = std::make_unique(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 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 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) { @@ -101,9 +131,51 @@ 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; } @@ -114,7 +186,7 @@ private: }; GRenderWindow::GRenderWindow(QWidget* parent, EmuThread* emu_thread) - : QWidget(parent), child(nullptr), emu_thread(emu_thread) { + : QWidget(parent), child(nullptr), context(nullptr), emu_thread(emu_thread) { setWindowTitle(QStringLiteral("yuzu %1 | %2-%3") .arg(Common::g_build_name, Common::g_scm_branch, Common::g_scm_desc)); @@ -137,19 +209,19 @@ 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(); + context->makeCurrent(child); - child->swapBuffers(); + context->swapBuffers(child); if (!first_frame) { emit FirstFrameDisplayed(); first_frame = true; @@ -157,11 +229,11 @@ void GRenderWindow::SwapBuffers() { } void GRenderWindow::MakeCurrent() { - child->makeCurrent(); + context->makeCurrent(child); } void GRenderWindow::DoneCurrent() { - child->doneCurrent(); + context->doneCurrent(); } void GRenderWindow::PollEvents() {} @@ -174,14 +246,26 @@ 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(); + 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 = ((QGLWidget*)this)->saveGeometry(); + geometry = ((QWidget*)this)->saveGeometry(); } void GRenderWindow::RestoreGeometry() { @@ -199,18 +283,18 @@ 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(); + return ((QWidget*)this)->saveGeometry(); else 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 GRenderWindow::ScaleTouch(const QPointF pos) const { - const qreal pixel_ratio = windowPixelRatio(); + const qreal pixel_ratio = GetWindowPixelRatio(); return {static_cast(std::max(std::round(pos.x() * pixel_ratio), qreal{0.0})), static_cast(std::max(std::round(pos.y() * pixel_ratio), qreal{0.0}))}; } @@ -220,47 +304,6 @@ 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()); @@ -313,35 +356,60 @@ void GRenderWindow::OnClientAreaResized(unsigned width, unsigned height) { NotifyClientAreaSizeChanged(std::make_pair(width, height)); } -void GRenderWindow::InitRenderTarget() { - if (child) { - delete child; - } +std::unique_ptr GRenderWindow::CreateSharedContext() const { + return std::make_unique(shared_context.get()); +} - if (layout()) { - delete layout(); - } +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 - QGLFormat fmt; + QSurfaceFormat fmt; fmt.setVersion(4, 3); - fmt.setProfile(QGLFormat::CoreProfile); + 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(); + shared_context->setFormat(fmt); + shared_context->create(); + context = std::make_unique(); + context->setShareContext(shared_context.get()); + context->setFormat(fmt); + context->create(); fmt.setSwapInterval(false); - // Requests a forward-compatible context, which is required to get a 3.2+ context on OS X - fmt.setOption(QGL::NoDeprecatedFunctions); + child = new GGLWidgetInternal(this, shared_context.get()); + container = QWidget::createWindowContainer(child, this); - 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(); diff --git a/src/yuzu/bootmanager.h b/src/yuzu/bootmanager.h index 3183621bc7..9608b959f4 100644 --- a/src/yuzu/bootmanager.h +++ b/src/yuzu/bootmanager.h @@ -7,9 +7,9 @@ #include #include #include -#include #include #include +#include #include "common/thread.h" #include "core/core.h" #include "core/frontend/emu_window.h" @@ -21,6 +21,8 @@ class QTouchEvent; class GGLWidgetInternal; class GMainWindow; class GRenderWindow; +class QSurface; +class QOpenGLContext; namespace VideoCore { enum class LoadCallbackStage; @@ -121,25 +123,21 @@ public: void MakeCurrent() override; void DoneCurrent() override; void PollEvents() override; + std::unique_ptr CreateSharedContext() const override; + + void ForwardKeyPressEvent(QKeyEvent* event); + void ForwardKeyReleaseEvent(QKeyEvent* event); void BackupGeometry(); void RestoreGeometry(); void restoreGeometry(const QByteArray& geometry); // overridden QByteArray saveGeometry(); // overridden - qreal windowPixelRatio() const; + qreal GetWindowPixelRatio() const; + std::pair ScaleTouch(const QPointF pos) const; void closeEvent(QCloseEvent* event) override; - - void keyPressEvent(QKeyEvent* event) override; - void keyReleaseEvent(QKeyEvent* event) override; - - void mousePressEvent(QMouseEvent* event) override; - void mouseMoveEvent(QMouseEvent* event) override; - void mouseReleaseEvent(QMouseEvent* event) override; - bool event(QEvent* event) override; - void focusOutEvent(QFocusEvent* event) override; void OnClientAreaResized(unsigned width, unsigned height); @@ -161,7 +159,6 @@ signals: void FirstFrameDisplayed(); private: - std::pair ScaleTouch(const QPointF pos) const; void TouchBeginEvent(const QTouchEvent* event); void TouchUpdateEvent(const QTouchEvent* event); void TouchEndEvent(); @@ -169,11 +166,17 @@ private: void OnMinimalClientAreaChangeRequest( const std::pair& minimal_size) override; - GGLWidgetInternal* child; + QWidget* container = nullptr; + GGLWidgetInternal* child = nullptr; QByteArray geometry; EmuThread* emu_thread; + // Context that backs the GGLWidgetInternal (and will be used by core to render) + std::unique_ptr context; + // Context that will be shared between all newly created contexts. This should never be made + // current + std::unique_ptr shared_context; /// Temporary storage of the screenshot taken QImage screenshot_image; diff --git a/src/yuzu/main.cpp b/src/yuzu/main.cpp index 588f538603..bdee44b04f 100644 --- a/src/yuzu/main.cpp +++ b/src/yuzu/main.cpp @@ -2031,6 +2031,18 @@ void GMainWindow::dragMoveEvent(QDragMoveEvent* event) { event->acceptProposedAction(); } +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 diff --git a/src/yuzu/main.h b/src/yuzu/main.h index 85e3810f22..ce50458193 100644 --- a/src/yuzu/main.h +++ b/src/yuzu/main.h @@ -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; }; diff --git a/src/yuzu_cmd/emu_window/emu_window_sdl2.cpp b/src/yuzu_cmd/emu_window/emu_window_sdl2.cpp index de7a26e149..68a1760327 100644 --- a/src/yuzu_cmd/emu_window/emu_window_sdl2.cpp +++ b/src/yuzu_cmd/emu_window/emu_window_sdl2.cpp @@ -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 EmuWindow_SDL2::CreateSharedContext() const { + return std::make_unique(); +} diff --git a/src/yuzu_cmd/emu_window/emu_window_sdl2.h b/src/yuzu_cmd/emu_window/emu_window_sdl2.h index b0d4116cc7..17e98227f4 100644 --- a/src/yuzu_cmd/emu_window/emu_window_sdl2.h +++ b/src/yuzu_cmd/emu_window/emu_window_sdl2.h @@ -27,6 +27,8 @@ public: /// Releases the GL context from the caller thread void DoneCurrent() override; + std::unique_ptr CreateSharedContext() const override; + /// Whether the window is still open, and a close request hasn't yet been sent bool IsOpen() const;