669 lines
22 KiB
C++
669 lines
22 KiB
C++
// 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 <QDragEnterEvent>
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#include <QHBoxLayout>
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#include <QKeyEvent>
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#include <QMessageBox>
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#include <QOffscreenSurface>
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#include <QOpenGLContext>
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#include <QOpenGLExtraFunctions>
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#include <fmt/format.h>
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#include "citra_qt/bootmanager.h"
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#include "citra_qt/main.h"
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#include "common/microprofile.h"
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#include "common/scm_rev.h"
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#include "core/3ds.h"
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#include "core/core.h"
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#include "core/settings.h"
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#include "input_common/keyboard.h"
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#include "input_common/main.h"
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#include "input_common/motion_emu.h"
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#include "video_core/renderer_base.h"
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#include "video_core/video_core.h"
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#if !defined(WIN32)
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#include <qpa/qplatformnativeinterface.h>
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#endif
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EmuThread::EmuThread(Frontend::GraphicsContext& core_context) : core_context(core_context) {}
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EmuThread::~EmuThread() = default;
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static GMainWindow* GetMainWindow() {
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const auto widgets = qApp->topLevelWidgets();
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for (QWidget* w : widgets) {
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if (GMainWindow* main = qobject_cast<GMainWindow*>(w)) {
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return main;
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}
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}
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return nullptr;
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}
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void EmuThread::run() {
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MicroProfileOnThreadCreate("EmuThread");
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const auto scope = core_context.Acquire();
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emit LoadProgress(VideoCore::LoadCallbackStage::Prepare, 0, 0);
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Core::System& system = Core::System::GetInstance();
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system.Renderer().Rasterizer()->LoadDiskResources(
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stop_run, [this](VideoCore::LoadCallbackStage stage, std::size_t value, std::size_t total) {
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emit LoadProgress(stage, value, total);
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});
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emit LoadProgress(VideoCore::LoadCallbackStage::Complete, 0, 0);
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emit HideLoadingScreen();
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core_context.MakeCurrent();
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if (system.frame_limiter.IsFrameAdvancing()) {
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// Usually the loading screen is hidden after the first frame is drawn. In this case
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// we hide it immediately as we need to wait for user input to start the emulation.
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emit HideLoadingScreen();
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system.frame_limiter.WaitOnce();
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}
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// Holds whether the cpu was running during the last iteration,
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// so that the DebugModeLeft signal can be emitted before the
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// next execution step.
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bool was_active = false;
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while (!stop_run) {
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if (running) {
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if (!was_active)
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emit DebugModeLeft();
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const Core::System::ResultStatus result = system.RunLoop();
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if (result == Core::System::ResultStatus::ShutdownRequested) {
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// Notify frontend we shutdown
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emit ErrorThrown(result, "");
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// End emulation execution
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break;
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}
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if (result != Core::System::ResultStatus::Success) {
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this->SetRunning(false);
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emit ErrorThrown(result, Core::System::GetInstance().GetStatusDetails());
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}
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was_active = running || exec_step;
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if (!was_active && !stop_run)
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emit DebugModeEntered();
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} else if (exec_step) {
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if (!was_active)
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emit DebugModeLeft();
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exec_step = false;
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[[maybe_unused]] const Core::System::ResultStatus result = system.SingleStep();
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emit DebugModeEntered();
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yieldCurrentThread();
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was_active = false;
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} else {
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std::unique_lock lock{running_mutex};
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running_cv.wait(lock, [this] { return IsRunning() || exec_step || stop_run; });
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}
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}
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// Shutdown the core emulation
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system.Shutdown();
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#if MICROPROFILE_ENABLED
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MicroProfileOnThreadExit();
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#endif
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}
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class OpenGLSharedContext : public Frontend::GraphicsContext {
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public:
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/// Create the original context that should be shared from
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explicit OpenGLSharedContext(QSurface* surface) : surface(surface) {
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QSurfaceFormat format;
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if (Settings::values.graphics_api == Settings::GraphicsAPI::OpenGLES) {
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QCoreApplication::setAttribute(Qt::AA_UseOpenGLES);
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format.setVersion(3, 2);
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} else {
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QCoreApplication::setAttribute(Qt::AA_UseDesktopOpenGL);
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format.setVersion(4, 4);
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format.setProfile(QSurfaceFormat::CoreProfile);
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}
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if (Settings::values.renderer_debug) {
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format.setOption(QSurfaceFormat::FormatOption::DebugContext);
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}
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// TODO: expose a setting for buffer value (ie default/single/double/triple)
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format.setSwapBehavior(QSurfaceFormat::DefaultSwapBehavior);
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format.setSwapInterval(0);
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context = std::make_unique<QOpenGLContext>();
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context->setFormat(format);
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if (!context->create()) {
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LOG_ERROR(Frontend, "Unable to create main openGL context");
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}
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}
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/// Create the shared contexts for rendering and presentation
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explicit OpenGLSharedContext(QOpenGLContext* share_context, QSurface* main_surface = nullptr) {
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// disable vsync for any shared contexts
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auto format = share_context->format();
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format.setSwapInterval(main_surface ? Settings::values.use_vsync_new : 0);
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context = std::make_unique<QOpenGLContext>();
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context->setShareContext(share_context);
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context->setFormat(format);
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if (!context->create()) {
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LOG_ERROR(Frontend, "Unable to create shared openGL context");
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}
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if (!main_surface) {
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offscreen_surface = std::make_unique<QOffscreenSurface>(nullptr);
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offscreen_surface->setFormat(format);
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offscreen_surface->create();
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surface = offscreen_surface.get();
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} else {
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surface = main_surface;
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}
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}
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~OpenGLSharedContext() {
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context->doneCurrent();
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}
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void SwapBuffers() override {
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context->swapBuffers(surface);
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}
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void MakeCurrent() override {
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// We can't track the current state of the underlying context in this wrapper class because
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// Qt may make the underlying context not current for one reason or another. In particular,
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// the WebBrowser uses GL, so it seems to conflict if we aren't careful.
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// Instead of always just making the context current (which does not have any caching to
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// check if the underlying context is already current) we can check for the current context
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// in the thread local data by calling `currentContext()` and checking if its ours.
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if (QOpenGLContext::currentContext() != context.get()) {
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context->makeCurrent(surface);
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}
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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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QOpenGLContext* GetShareContext() const {
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return context.get();
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}
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private:
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// Avoid using Qt parent system here since we might move the QObjects to new threads
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// As a note, this means we should avoid using slots/signals with the objects too
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std::unique_ptr<QOpenGLContext> context;
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std::unique_ptr<QOffscreenSurface> offscreen_surface{};
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QSurface* surface;
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};
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class DummyContext : public Frontend::GraphicsContext {};
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class RenderWidget : public QWidget {
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public:
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RenderWidget(GRenderWindow* parent) : QWidget(parent), render_window(parent) {
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setAttribute(Qt::WA_NativeWindow);
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setAttribute(Qt::WA_PaintOnScreen);
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}
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virtual ~RenderWidget() = default;
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virtual void Present() {}
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void paintEvent(QPaintEvent* event) override {
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Present();
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update();
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}
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void resizeEvent(QResizeEvent* ev) override {
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render_window->resize(ev->size());
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render_window->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] = render_window->ScaleTouch(pos);
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render_window->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] = render_window->ScaleTouch(pos);
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render_window->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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render_window->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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std::pair<unsigned, unsigned> GetSize() const {
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return std::make_pair(width(), height());
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}
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QPaintEngine* paintEngine() const override {
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return nullptr;
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}
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private:
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GRenderWindow* render_window;
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};
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class OpenGLRenderWidget : public RenderWidget {
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public:
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explicit OpenGLRenderWidget(GRenderWindow* parent) : RenderWidget(parent) {
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windowHandle()->setSurfaceType(QWindow::OpenGLSurface);
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}
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void SetContext(std::unique_ptr<OpenGLSharedContext>&& context_) {
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context = std::move(context_);
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}
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void Present() override {
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if (!isVisible()) {
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return;
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}
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if (!Core::System::GetInstance().IsPoweredOn()) {
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return;
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}
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context->MakeCurrent();
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const auto f = context->GetShareContext()->extraFunctions();
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f->glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
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VideoCore::g_renderer->TryPresent(100);
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context->SwapBuffers();
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f->glFinish();
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}
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private:
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std::unique_ptr<OpenGLSharedContext> context{};
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};
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class VulkanRenderWidget : public RenderWidget {
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public:
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explicit VulkanRenderWidget(GRenderWindow* parent) : RenderWidget(parent) {
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windowHandle()->setSurfaceType(QWindow::VulkanSurface);
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}
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};
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static Frontend::WindowSystemType GetWindowSystemType() {
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// Determine WSI type based on Qt platform.
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QString platform_name = QGuiApplication::platformName();
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if (platform_name == QStringLiteral("windows"))
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return Frontend::WindowSystemType::Windows;
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else if (platform_name == QStringLiteral("xcb"))
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return Frontend::WindowSystemType::X11;
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else if (platform_name == QStringLiteral("wayland"))
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return Frontend::WindowSystemType::Wayland;
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LOG_CRITICAL(Frontend, "Unknown Qt platform!");
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return Frontend::WindowSystemType::Windows;
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}
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static Frontend::EmuWindow::WindowSystemInfo GetWindowSystemInfo(QWindow* window) {
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Frontend::EmuWindow::WindowSystemInfo wsi;
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wsi.type = GetWindowSystemType();
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// Our Win32 Qt external doesn't have the private API.
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#if defined(WIN32) || defined(__APPLE__)
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wsi.render_surface = window ? reinterpret_cast<void*>(window->winId()) : nullptr;
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#else
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QPlatformNativeInterface* pni = QGuiApplication::platformNativeInterface();
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wsi.display_connection = pni->nativeResourceForWindow("display", window);
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if (wsi.type == Frontend::WindowSystemType::Wayland)
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wsi.render_surface = window ? pni->nativeResourceForWindow("surface", window) : nullptr;
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else
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wsi.render_surface = window ? reinterpret_cast<void*>(window->winId()) : nullptr;
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#endif
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wsi.render_surface_scale = window ? static_cast<float>(window->devicePixelRatio()) : 1.0f;
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return wsi;
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}
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GRenderWindow::GRenderWindow(QWidget* parent_, EmuThread* emu_thread)
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: QWidget(parent_), emu_thread(emu_thread) {
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setWindowTitle(QStringLiteral("Citra %1 | %2-%3")
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.arg(QString::fromUtf8(Common::g_build_name),
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QString::fromUtf8(Common::g_scm_branch),
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QString::fromUtf8(Common::g_scm_desc)));
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setAttribute(Qt::WA_AcceptTouchEvents);
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auto layout = new QHBoxLayout(this);
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layout->setContentsMargins(0, 0, 0, 0);
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setLayout(layout);
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InputCommon::Init();
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this->setMouseTracking(true);
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GMainWindow* parent = GetMainWindow();
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connect(this, &GRenderWindow::FirstFrameDisplayed, parent, &GMainWindow::OnLoadComplete);
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}
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GRenderWindow::~GRenderWindow() {
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InputCommon::Shutdown();
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}
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void GRenderWindow::MakeCurrent() {
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main_context->MakeCurrent();
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}
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void GRenderWindow::DoneCurrent() {
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main_context->DoneCurrent();
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}
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void GRenderWindow::PollEvents() {
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if (!first_frame) {
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first_frame = true;
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emit FirstFrameDisplayed();
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}
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}
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// On Qt 5.0+, this correctly gets the size of the framebuffer (pixels).
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//
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// Older versions get the window size (density independent pixels),
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// and hence, do not support DPI scaling ("retina" displays).
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// The result will be a viewport that is smaller than the extent of the window.
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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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const qreal pixel_ratio = windowPixelRatio();
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const u32 width = static_cast<u32>(this->width() * pixel_ratio);
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const u32 height = static_cast<u32>(this->height() * pixel_ratio);
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UpdateCurrentFramebufferLayout(width, height);
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}
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void GRenderWindow::BackupGeometry() {
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geometry = QWidget::saveGeometry();
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}
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void GRenderWindow::RestoreGeometry() {
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// We don't want to back up the geometry here (obviously)
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QWidget::restoreGeometry(geometry);
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}
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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
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QWidget::restoreGeometry(geometry);
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BackupGeometry();
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}
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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 QWidget::saveGeometry();
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}
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return geometry;
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}
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qreal GRenderWindow::windowPixelRatio() const {
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return devicePixelRatioF();
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}
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std::pair<u32, u32> GRenderWindow::ScaleTouch(const QPointF pos) const {
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const qreal pixel_ratio = windowPixelRatio();
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return {static_cast<u32>(std::max(std::round(pos.x() * pixel_ratio), qreal{0.0})),
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static_cast<u32>(std::max(std::round(pos.y() * pixel_ratio), qreal{0.0}))};
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}
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void GRenderWindow::closeEvent(QCloseEvent* event) {
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emit Closed();
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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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emit MouseActivity();
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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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emit MouseActivity();
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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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emit MouseActivity();
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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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this->TouchPressed(x, y);
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}
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void GRenderWindow::TouchUpdateEvent(const QTouchEvent* event) {
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QPointF pos;
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int active_points = 0;
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// average all active touch points
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for (const auto& tp : event->touchPoints()) {
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if (tp.state() & (Qt::TouchPointPressed | Qt::TouchPointMoved | Qt::TouchPointStationary)) {
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active_points++;
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pos += tp.pos();
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}
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}
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pos /= active_points;
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const auto [x, y] = ScaleTouch(pos);
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this->TouchMoved(x, y);
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}
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void GRenderWindow::TouchEndEvent() {
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this->TouchReleased();
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}
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bool GRenderWindow::event(QEvent* event) {
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switch (event->type()) {
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case QEvent::TouchBegin:
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TouchBeginEvent(static_cast<QTouchEvent*>(event));
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return true;
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case QEvent::TouchUpdate:
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TouchUpdateEvent(static_cast<QTouchEvent*>(event));
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|
return true;
|
|
case QEvent::TouchEnd:
|
|
case QEvent::TouchCancel:
|
|
TouchEndEvent();
|
|
return true;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return QWidget::event(event);
|
|
}
|
|
|
|
void GRenderWindow::focusOutEvent(QFocusEvent* event) {
|
|
QWidget::focusOutEvent(event);
|
|
InputCommon::GetKeyboard()->ReleaseAllKeys();
|
|
}
|
|
|
|
void GRenderWindow::resizeEvent(QResizeEvent* event) {
|
|
QWidget::resizeEvent(event);
|
|
OnFramebufferSizeChanged();
|
|
}
|
|
|
|
std::unique_ptr<Frontend::GraphicsContext> GRenderWindow::CreateSharedContext() const {
|
|
const Settings::GraphicsAPI graphics_api = Settings::values.graphics_api;
|
|
if (graphics_api == Settings::GraphicsAPI::OpenGL ||
|
|
graphics_api == Settings::GraphicsAPI::OpenGLES) {
|
|
auto c = static_cast<OpenGLSharedContext*>(main_context.get());
|
|
// Bind the shared contexts to the main surface in case the backend wants to take over
|
|
// presentation
|
|
return std::make_unique<OpenGLSharedContext>(c->GetShareContext(),
|
|
child_widget->windowHandle());
|
|
}
|
|
|
|
return std::make_unique<DummyContext>();
|
|
}
|
|
|
|
bool GRenderWindow::InitRenderTarget() {
|
|
ReleaseRenderTarget();
|
|
|
|
{
|
|
// Create a dummy render widget so that Qt
|
|
// places the render window at the correct position.
|
|
const RenderWidget dummy_widget{this};
|
|
}
|
|
|
|
first_frame = false;
|
|
|
|
const Settings::GraphicsAPI graphics_api = Settings::values.graphics_api;
|
|
switch (graphics_api) {
|
|
case Settings::GraphicsAPI::OpenGL:
|
|
case Settings::GraphicsAPI::OpenGLES:
|
|
if (!InitializeOpenGL()) {
|
|
return false;
|
|
}
|
|
break;
|
|
case Settings::GraphicsAPI::Vulkan:
|
|
if (!InitializeVulkan()) {
|
|
return false;
|
|
}
|
|
break;
|
|
}
|
|
|
|
// Update the Window System information with the new render target
|
|
window_info = GetWindowSystemInfo(child_widget->windowHandle());
|
|
|
|
child_widget->resize(Core::kScreenTopWidth, Core::kScreenTopHeight + Core::kScreenBottomHeight);
|
|
|
|
layout()->addWidget(child_widget);
|
|
// Reset minimum required size to avoid resizing issues on the main window after restarting.
|
|
setMinimumSize(1, 1);
|
|
|
|
resize(Core::kScreenTopWidth, Core::kScreenTopHeight + Core::kScreenBottomHeight);
|
|
OnMinimalClientAreaChangeRequest(GetActiveConfig().min_client_area_size);
|
|
OnFramebufferSizeChanged();
|
|
BackupGeometry();
|
|
|
|
return true;
|
|
}
|
|
|
|
void GRenderWindow::ReleaseRenderTarget() {
|
|
if (child_widget) {
|
|
layout()->removeWidget(child_widget);
|
|
child_widget->deleteLater();
|
|
child_widget = nullptr;
|
|
}
|
|
main_context.reset();
|
|
}
|
|
|
|
void GRenderWindow::CaptureScreenshot(u32 res_scale, const QString& screenshot_path) {
|
|
if (res_scale == 0)
|
|
res_scale = VideoCore::GetResolutionScaleFactor();
|
|
const Layout::FramebufferLayout layout{Layout::FrameLayoutFromResolutionScale(res_scale)};
|
|
screenshot_image = QImage(QSize(layout.width, layout.height), QImage::Format_RGB32);
|
|
VideoCore::RequestScreenshot(
|
|
screenshot_image.bits(),
|
|
[this, &screenshot_path] {
|
|
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(std::pair<u32, u32> minimal_size) {
|
|
setMinimumSize(minimal_size.first, minimal_size.second);
|
|
}
|
|
|
|
bool GRenderWindow::InitializeOpenGL() {
|
|
// TODO: One of these flags might be interesting: WA_OpaquePaintEvent, WA_NoBackground,
|
|
// WA_DontShowOnScreen, WA_DeleteOnClose
|
|
auto child = new OpenGLRenderWidget(this);
|
|
child_widget = child;
|
|
child_widget->windowHandle()->create();
|
|
auto context = std::make_shared<OpenGLSharedContext>(child->windowHandle());
|
|
main_context = context;
|
|
child->SetContext(
|
|
std::make_unique<OpenGLSharedContext>(context->GetShareContext(), child->windowHandle()));
|
|
|
|
return true;
|
|
}
|
|
|
|
bool GRenderWindow::InitializeVulkan() {
|
|
auto child = new VulkanRenderWidget(this);
|
|
child_widget = child;
|
|
child_widget->windowHandle()->create();
|
|
main_context = std::make_unique<DummyContext>();
|
|
|
|
return true;
|
|
}
|
|
|
|
void GRenderWindow::OnEmulationStarting(EmuThread* emu_thread) {
|
|
this->emu_thread = emu_thread;
|
|
}
|
|
|
|
void GRenderWindow::OnEmulationStopping() {
|
|
emu_thread = nullptr;
|
|
}
|
|
|
|
void GRenderWindow::showEvent(QShowEvent* event) {
|
|
QWidget::showEvent(event);
|
|
}
|