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citra/src/citra_qt/bootmanager.cpp

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// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <QApplication>
#include <QHBoxLayout>
#include <QKeyEvent>
#include <QMessageBox>
#include <QPainter>
#include <QWindow>
#include "citra_qt/bootmanager.h"
#include "citra_qt/main.h"
#include "common/color.h"
#include "common/microprofile.h"
#include "common/scm_rev.h"
#include "common/settings.h"
#include "core/3ds.h"
#include "core/core.h"
#include "core/frontend/framebuffer_layout.h"
#include "core/perf_stats.h"
#include "input_common/keyboard.h"
#include "input_common/main.h"
#include "input_common/motion_emu.h"
#include "video_core/custom_textures/custom_tex_manager.h"
#include "video_core/gpu.h"
#include "video_core/renderer_base.h"
#include "video_core/renderer_software/renderer_software.h"
#ifdef HAS_OPENGL
#include <glad/glad.h>
#include <QOffscreenSurface>
#include <QOpenGLContext>
#endif
#if defined(__APPLE__)
#include <objc/message.h>
#include <objc/objc.h>
#endif
#if !defined(WIN32)
#include <qpa/qplatformnativeinterface.h>
#endif
static Frontend::WindowSystemType GetWindowSystemType();
EmuThread::EmuThread(Core::System& system_, Frontend::GraphicsContext& core_context)
: system{system_}, core_context(core_context) {}
EmuThread::~EmuThread() = default;
static GMainWindow* GetMainWindow() {
const auto widgets = qApp->topLevelWidgets();
for (QWidget* w : widgets) {
if (GMainWindow* main = qobject_cast<GMainWindow*>(w)) {
return main;
}
}
return nullptr;
}
void EmuThread::run() {
MicroProfileOnThreadCreate("EmuThread");
const auto scope = core_context.Acquire();
if (Settings::values.preload_textures) {
emit LoadProgress(VideoCore::LoadCallbackStage::Preload, 0, 0);
system.CustomTexManager().PreloadTextures(
stop_run, [this](VideoCore::LoadCallbackStage stage, std::size_t value,
std::size_t total) { emit LoadProgress(stage, value, total); });
}
emit LoadProgress(VideoCore::LoadCallbackStage::Prepare, 0, 0);
system.GPU().Renderer().Rasterizer()->LoadDiskResources(
stop_run, [this](VideoCore::LoadCallbackStage stage, std::size_t value, std::size_t total) {
emit LoadProgress(stage, value, total);
});
emit LoadProgress(VideoCore::LoadCallbackStage::Complete, 0, 0);
core_context.MakeCurrent();
if (system.frame_limiter.IsFrameAdvancing()) {
// Usually the loading screen is hidden after the first frame is drawn. In this case
// we hide it immediately as we need to wait for user input to start the emulation.
emit HideLoadingScreen();
system.frame_limiter.WaitOnce();
}
// Holds whether the cpu was running during the last iteration,
// so that the DebugModeLeft signal can be emitted before the
// next execution step.
bool was_active = false;
while (!stop_run) {
if (running) {
if (!was_active)
emit DebugModeLeft();
const Core::System::ResultStatus result = system.RunLoop();
if (result == Core::System::ResultStatus::ShutdownRequested) {
// Notify frontend we shutdown
emit ErrorThrown(result, "");
// End emulation execution
break;
}
if (result != Core::System::ResultStatus::Success) {
this->SetRunning(false);
emit ErrorThrown(result, system.GetStatusDetails());
}
was_active = running || exec_step;
if (!was_active && !stop_run)
emit DebugModeEntered();
} else if (exec_step) {
if (!was_active)
emit DebugModeLeft();
exec_step = false;
[[maybe_unused]] const Core::System::ResultStatus result = system.SingleStep();
emit DebugModeEntered();
yieldCurrentThread();
was_active = false;
} else {
std::unique_lock lock{running_mutex};
running_cv.wait(lock, [this] { return IsRunning() || exec_step || stop_run; });
}
}
// Shutdown the core emulation
system.Shutdown();
#if MICROPROFILE_ENABLED
MicroProfileOnThreadExit();
#endif
}
#ifdef HAS_OPENGL
static std::unique_ptr<QOpenGLContext> CreateQOpenGLContext(bool gles) {
QSurfaceFormat format;
if (gles) {
format.setRenderableType(QSurfaceFormat::RenderableType::OpenGLES);
format.setVersion(3, 2);
} else {
format.setRenderableType(QSurfaceFormat::RenderableType::OpenGL);
format.setVersion(4, 3);
}
format.setProfile(QSurfaceFormat::CoreProfile);
if (Settings::values.renderer_debug) {
format.setOption(QSurfaceFormat::FormatOption::DebugContext);
}
// TODO: expose a setting for buffer value (ie default/single/double/triple)
format.setSwapBehavior(QSurfaceFormat::DefaultSwapBehavior);
format.setSwapInterval(0);
auto context = std::make_unique<QOpenGLContext>();
context->setFormat(format);
if (!context->create()) {
LOG_ERROR(Frontend, "Unable to create OpenGL context with GLES = {}", gles);
return nullptr;
}
return context;
}
class OpenGLSharedContext : public Frontend::GraphicsContext {
public:
/// Create the original context that should be shared from
explicit OpenGLSharedContext() {
// First, try to create a context with the requested type.
context = CreateQOpenGLContext(Settings::values.use_gles.GetValue());
if (context == nullptr) {
// On failure, fall back to context with flipped type.
context = CreateQOpenGLContext(!Settings::values.use_gles.GetValue());
if (context == nullptr) {
LOG_ERROR(Frontend, "Unable to create any OpenGL context.");
}
}
offscreen_surface = std::make_unique<QOffscreenSurface>(nullptr);
offscreen_surface->setFormat(context->format());
offscreen_surface->create();
surface = offscreen_surface.get();
}
/// Create the shared contexts for rendering and presentation
explicit OpenGLSharedContext(QOpenGLContext* share_context, QSurface* main_surface) {
// disable vsync for any shared contexts
auto format = share_context->format();
format.setSwapInterval(0);
context = std::make_unique<QOpenGLContext>();
context->setShareContext(share_context);
context->setFormat(format);
if (!context->create()) {
LOG_ERROR(Frontend, "Unable to create shared OpenGL context");
}
surface = main_surface;
}
~OpenGLSharedContext() {
OpenGLSharedContext::DoneCurrent();
}
bool IsGLES() override {
return context->format().renderableType() == QSurfaceFormat::RenderableType::OpenGLES;
}
void SwapBuffers() override {
context->swapBuffers(surface);
}
void MakeCurrent() override {
// We can't track the current state of the underlying context in this wrapper class because
// Qt may make the underlying context not current for one reason or another. In particular,
// the WebBrowser uses GL, so it seems to conflict if we aren't careful.
// Instead of always just making the context current (which does not have any caching to
// check if the underlying context is already current) we can check for the current context
// in the thread local data by calling `currentContext()` and checking if its ours.
if (QOpenGLContext::currentContext() != context.get()) {
context->makeCurrent(surface);
}
}
void DoneCurrent() override {
if (QOpenGLContext::currentContext() == context.get()) {
context->doneCurrent();
}
}
QOpenGLContext* GetShareContext() const {
return context.get();
}
private:
// Avoid using Qt parent system here since we might move the QObjects to new threads
// As a note, this means we should avoid using slots/signals with the objects too
std::unique_ptr<QOpenGLContext> context;
std::unique_ptr<QOffscreenSurface> offscreen_surface{};
QSurface* surface;
};
#endif
class DummyContext : public Frontend::GraphicsContext {};
class RenderWidget : public QWidget {
public:
RenderWidget(GRenderWindow* parent) : QWidget(parent) {
setMouseTracking(true);
update();
}
virtual ~RenderWidget() = default;
};
#ifdef HAS_OPENGL
class OpenGLRenderWidget : public RenderWidget {
public:
explicit OpenGLRenderWidget(GRenderWindow* parent, Core::System& system_, bool is_secondary)
: RenderWidget(parent), system(system_), is_secondary(is_secondary) {
setAttribute(Qt::WA_NativeWindow);
setAttribute(Qt::WA_PaintOnScreen);
if (GetWindowSystemType() == Frontend::WindowSystemType::Wayland) {
setAttribute(Qt::WA_DontCreateNativeAncestors);
}
windowHandle()->setSurfaceType(QWindow::OpenGLSurface);
}
void SetContext(std::unique_ptr<Frontend::GraphicsContext>&& context_) {
context = std::move(context_);
}
void Present() {
if (!isVisible()) {
return;
}
if (!system.IsPoweredOn()) {
return;
}
context->MakeCurrent();
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
system.GPU().Renderer().TryPresent(100, is_secondary);
context->SwapBuffers();
glFinish();
}
void paintEvent(QPaintEvent* event) override {
Present();
update();
}
QPaintEngine* paintEngine() const override {
return nullptr;
}
private:
std::unique_ptr<Frontend::GraphicsContext> context{};
Core::System& system;
bool is_secondary;
};
#endif
class VulkanRenderWidget : public RenderWidget {
public:
explicit VulkanRenderWidget(GRenderWindow* parent) : RenderWidget(parent) {
setAttribute(Qt::WA_NativeWindow);
setAttribute(Qt::WA_PaintOnScreen);
if (GetWindowSystemType() == Frontend::WindowSystemType::Wayland) {
setAttribute(Qt::WA_DontCreateNativeAncestors);
}
#ifdef __APPLE__
windowHandle()->setSurfaceType(QWindow::MetalSurface);
#else
windowHandle()->setSurfaceType(QWindow::VulkanSurface);
#endif
}
QPaintEngine* paintEngine() const override {
return nullptr;
}
};
struct SoftwareRenderWidget : public RenderWidget {
explicit SoftwareRenderWidget(GRenderWindow* parent, Core::System& system_)
: RenderWidget(parent), system(system_) {}
void Present() {
if (!isVisible()) {
return;
}
if (!system.IsPoweredOn()) {
return;
}
using VideoCore::ScreenId;
const auto layout{Layout::DefaultFrameLayout(width(), height(), false, false)};
QPainter painter(this);
const auto draw_screen = [&](ScreenId screen_id) {
const auto rect =
screen_id == ScreenId::TopLeft ? layout.top_screen : layout.bottom_screen;
const QImage screen =
LoadFramebuffer(screen_id).scaled(rect.GetWidth(), rect.GetHeight());
painter.drawImage(rect.left, rect.top, screen);
};
painter.fillRect(rect(), qRgb(Settings::values.bg_red.GetValue() * 255,
Settings::values.bg_green.GetValue() * 255,
Settings::values.bg_blue.GetValue() * 255));
draw_screen(ScreenId::TopLeft);
draw_screen(ScreenId::Bottom);
painter.end();
}
void paintEvent(QPaintEvent* event) override {
Present();
update();
}
QImage LoadFramebuffer(VideoCore::ScreenId screen_id) {
const auto& renderer = static_cast<SwRenderer::RendererSoftware&>(system.GPU().Renderer());
const auto& info = renderer.Screen(screen_id);
const int width = static_cast<int>(info.width);
const int height = static_cast<int>(info.height);
QImage image{height, width, QImage::Format_RGBA8888};
std::memcpy(image.bits(), info.pixels.data(), info.pixels.size());
return image;
}
private:
Core::System& system;
};
static Frontend::WindowSystemType GetWindowSystemType() {
// Determine WSI type based on Qt platform.
const QString platform_name = QGuiApplication::platformName();
if (platform_name == QStringLiteral("windows"))
return Frontend::WindowSystemType::Windows;
else if (platform_name == QStringLiteral("xcb"))
return Frontend::WindowSystemType::X11;
else if (platform_name == QStringLiteral("wayland") ||
platform_name == QStringLiteral("wayland-egl"))
return Frontend::WindowSystemType::Wayland;
else if (platform_name == QStringLiteral("cocoa") || platform_name == QStringLiteral("ios"))
return Frontend::WindowSystemType::MacOS;
LOG_CRITICAL(Frontend, "Unknown Qt platform!");
return Frontend::WindowSystemType::Windows;
}
static Frontend::EmuWindow::WindowSystemInfo GetWindowSystemInfo(QWindow* window) {
Frontend::EmuWindow::WindowSystemInfo wsi;
wsi.type = GetWindowSystemType();
if (window) {
#if defined(WIN32)
// Our Win32 Qt external doesn't have the private API.
wsi.render_surface = reinterpret_cast<void*>(window->winId());
#elif defined(__APPLE__)
wsi.render_surface = reinterpret_cast<void* (*)(id, SEL)>(objc_msgSend)(
reinterpret_cast<id>(window->winId()), sel_registerName("layer"));
#else
QPlatformNativeInterface* pni = QGuiApplication::platformNativeInterface();
wsi.display_connection = pni->nativeResourceForWindow("display", window);
if (wsi.type == Frontend::WindowSystemType::Wayland)
wsi.render_surface = pni->nativeResourceForWindow("surface", window);
else
wsi.render_surface = reinterpret_cast<void*>(window->winId());
#endif
wsi.render_surface_scale = static_cast<float>(window->devicePixelRatio());
} else {
wsi.render_surface = nullptr;
wsi.render_surface_scale = 1.0f;
}
return wsi;
}
std::unique_ptr<Frontend::GraphicsContext> GRenderWindow::main_context;
GRenderWindow::GRenderWindow(QWidget* parent_, EmuThread* emu_thread_, Core::System& system_,
bool is_secondary_)
: QWidget(parent_), EmuWindow(is_secondary_), emu_thread(emu_thread_), system{system_} {
setAttribute(Qt::WA_AcceptTouchEvents);
auto layout = new QHBoxLayout(this);
layout->setContentsMargins(0, 0, 0, 0);
setLayout(layout);
this->setMouseTracking(true);
strict_context_required = QGuiApplication::platformName() == QStringLiteral("wayland") ||
QGuiApplication::platformName() == QStringLiteral("wayland-egl");
GMainWindow* parent = GetMainWindow();
connect(this, &GRenderWindow::FirstFrameDisplayed, parent, &GMainWindow::OnLoadComplete);
}
GRenderWindow::~GRenderWindow() = default;
void GRenderWindow::MakeCurrent() {
main_context->MakeCurrent();
}
void GRenderWindow::DoneCurrent() {
main_context->DoneCurrent();
}
void GRenderWindow::PollEvents() {
if (!first_frame) {
first_frame = true;
emit FirstFrameDisplayed();
}
}
// On Qt 5.0+, this correctly gets the size of the framebuffer (pixels).
//
// Older versions get the window size (density independent pixels),
// and hence, do not support DPI scaling ("retina" displays).
// The result will be a viewport that is smaller than the extent of the window.
void GRenderWindow::OnFramebufferSizeChanged() {
// Screen changes potentially incur a change in screen DPI, hence we should update the
// framebuffer size
const qreal pixel_ratio = windowPixelRatio();
const u32 width = static_cast<u32>(this->width() * pixel_ratio);
const u32 height = static_cast<u32>(this->height() * pixel_ratio);
UpdateCurrentFramebufferLayout(width, height);
}
void GRenderWindow::BackupGeometry() {
geometry = QWidget::saveGeometry();
}
void GRenderWindow::RestoreGeometry() {
// We don't want to back up the geometry here (obviously)
QWidget::restoreGeometry(geometry);
}
void GRenderWindow::restoreGeometry(const QByteArray& geometry) {
// Make sure users of this class don't need to deal with backing up the geometry themselves
QWidget::restoreGeometry(geometry);
BackupGeometry();
}
QByteArray GRenderWindow::saveGeometry() {
// If we are a top-level widget, store the current geometry
// otherwise, store the last backup
if (parent() == nullptr) {
return QWidget::saveGeometry();
}
return geometry;
}
qreal GRenderWindow::windowPixelRatio() const {
return devicePixelRatioF();
}
std::pair<u32, u32> GRenderWindow::ScaleTouch(const QPointF pos) const {
const qreal pixel_ratio = windowPixelRatio();
return {static_cast<u32>(std::max(std::round(pos.x() * pixel_ratio), qreal{0.0})),
static_cast<u32>(std::max(std::round(pos.y() * pixel_ratio), qreal{0.0}))};
}
void GRenderWindow::closeEvent(QCloseEvent* event) {
emit Closed();
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());
}
emit MouseActivity();
}
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());
emit MouseActivity();
}
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();
emit MouseActivity();
}
void GRenderWindow::TouchBeginEvent(const QTouchEvent* event) {
// TouchBegin always has exactly one touch point, so take the .first()
const auto [x, y] = ScaleTouch(event->points().first().position());
this->TouchPressed(x, y);
}
void GRenderWindow::TouchUpdateEvent(const QTouchEvent* event) {
QPointF pos;
int active_points = 0;
// average all active touch points
for (const auto& tp : event->points()) {
if (tp.state() & (Qt::TouchPointPressed | Qt::TouchPointMoved | Qt::TouchPointStationary)) {
active_points++;
pos += tp.position();
}
}
pos /= active_points;
const auto [x, y] = ScaleTouch(pos);
this->TouchMoved(x, y);
}
void GRenderWindow::TouchEndEvent() {
this->TouchReleased();
}
bool GRenderWindow::event(QEvent* event) {
switch (event->type()) {
case QEvent::TouchBegin:
TouchBeginEvent(static_cast<QTouchEvent*>(event));
return true;
case QEvent::TouchUpdate:
TouchUpdateEvent(static_cast<QTouchEvent*>(event));
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);
if (auto* keyboard = InputCommon::GetKeyboard(); keyboard) {
keyboard->ReleaseAllKeys();
}
has_focus = false;
}
void GRenderWindow::focusInEvent(QFocusEvent* event) {
QWidget::focusInEvent(event);
has_focus = true;
}
void GRenderWindow::resizeEvent(QResizeEvent* event) {
QWidget::resizeEvent(event);
OnFramebufferSizeChanged();
}
bool GRenderWindow::InitRenderTarget() {
{
// 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 auto graphics_api = Settings::values.graphics_api.GetValue();
switch (graphics_api) {
case Settings::GraphicsAPI::Software:
InitializeSoftware();
break;
case Settings::GraphicsAPI::OpenGL:
if (!InitializeOpenGL() || !LoadOpenGL()) {
return false;
}
break;
case Settings::GraphicsAPI::Vulkan:
InitializeVulkan();
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) {
auto& renderer = system.GPU().Renderer();
if (res_scale == 0) {
res_scale = renderer.GetResolutionScaleFactor();
}
const auto layout{Layout::FrameLayoutFromResolutionScale(res_scale, is_secondary)};
screenshot_image = QImage(QSize(layout.width, layout.height), QImage::Format_RGB32);
renderer.RequestScreenshot(
screenshot_image.bits(),
[this, screenshot_path](bool invert_y) {
const std::string std_screenshot_path = screenshot_path.toStdString();
if (screenshot_image.mirrored(false, invert_y).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() {
#ifdef HAS_OPENGL
if (!QOpenGLContext::supportsThreadedOpenGL()) {
QMessageBox::warning(this, tr("OpenGL not available!"),
tr("OpenGL shared contexts are not supported."));
return false;
}
// TODO: One of these flags might be interesting: WA_OpaquePaintEvent, WA_NoBackground,
// WA_DontShowOnScreen, WA_DeleteOnClose
auto child = new OpenGLRenderWidget(this, system, is_secondary);
child_widget = child;
child_widget->windowHandle()->create();
if (!main_context) {
main_context = std::make_unique<OpenGLSharedContext>();
}
auto child_context = CreateSharedContext();
child->SetContext(std::move(child_context));
auto format = child_widget->windowHandle()->format();
format.setSwapInterval(Settings::values.use_vsync_new.GetValue());
child_widget->windowHandle()->setFormat(format);
return true;
#else
QMessageBox::warning(this, tr("OpenGL not available!"),
tr("Citra has not been compiled with OpenGL support."));
return false;
#endif
}
void GRenderWindow::InitializeVulkan() {
auto child = new VulkanRenderWidget(this);
child_widget = child;
child_widget->windowHandle()->create();
main_context = std::make_unique<DummyContext>();
}
void GRenderWindow::InitializeSoftware() {
child_widget = new SoftwareRenderWidget(this, system);
main_context = std::make_unique<DummyContext>();
}
#ifdef HAS_OPENGL
static void* GetProcAddressGL(const char* name) {
return reinterpret_cast<void*>(QOpenGLContext::currentContext()->getProcAddress(name));
}
#endif
bool GRenderWindow::LoadOpenGL() {
#ifdef HAS_OPENGL
auto context = CreateSharedContext();
auto scope = context->Acquire();
const auto gles = context->IsGLES();
auto gl_load_func = gles ? gladLoadGLES2Loader : gladLoadGLLoader;
if (!gl_load_func(GetProcAddressGL)) {
QMessageBox::warning(
this, tr("Error while initializing OpenGL!"),
tr("Your GPU may not support OpenGL, or you do not have the latest graphics driver."));
return false;
}
const QString renderer =
QString::fromUtf8(reinterpret_cast<const char*>(glGetString(GL_RENDERER)));
if (!gles && !GLAD_GL_VERSION_4_3) {
LOG_ERROR(Frontend, "GPU does not support OpenGL 4.3: {}", renderer.toStdString());
QMessageBox::warning(this, tr("Error while initializing OpenGL 4.3!"),
tr("Your GPU may not support OpenGL 4.3, or you do not have the "
"latest graphics driver.<br><br>GL Renderer:<br>%1")
.arg(renderer));
return false;
} else if (gles && !GLAD_GL_ES_VERSION_3_2) {
LOG_ERROR(Frontend, "GPU does not support OpenGL ES 3.2: {}", renderer.toStdString());
QMessageBox::warning(this, tr("Error while initializing OpenGL ES 3.2!"),
tr("Your GPU may not support OpenGL ES 3.2, or you do not have the "
"latest graphics driver.<br><br>GL Renderer:<br>%1")
.arg(renderer));
return false;
}
return true;
#else
QMessageBox::warning(this, tr("OpenGL not available!"),
tr("Citra has not been compiled with OpenGL support."));
return false;
#endif
}
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);
}
std::unique_ptr<Frontend::GraphicsContext> GRenderWindow::CreateSharedContext() const {
#ifdef HAS_OPENGL
const auto graphics_api = Settings::values.graphics_api.GetValue();
if (graphics_api == Settings::GraphicsAPI::OpenGL) {
auto gl_context = 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>(gl_context->GetShareContext(),
child_widget->windowHandle());
}
#endif
return std::make_unique<DummyContext>();
}
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