Merge pull request #8829 from Docteh/qt6_0002

CMake: rework for Qt6 support

CMakeLists.txt

@@ -19,6 +19,9 @@ CMAKE_DEPENDENT_OPTION(YUZU_USE_BUNDLED_SDL2 "Download bundled SDL2 binaries" ON
 CMAKE_DEPENDENT_OPTION(YUZU_USE_EXTERNAL_SDL2 "Compile external SDL2" ON "ENABLE_SDL2;NOT MSVC" OFF)
 
 option(ENABLE_QT "Enable the Qt frontend" ON)
+option(ENABLE_QT6 "Allow usage of Qt6 to be attempted" OFF)
+set(QT6_LOCATION "" CACHE PATH "Additional Location to search for Qt6 libraries like C:/Qt/6.3.1/msvc2019_64/")
+
 option(ENABLE_QT_TRANSLATION "Enable translations for the Qt frontend" OFF)
 CMAKE_DEPENDENT_OPTION(YUZU_USE_BUNDLED_QT "Download bundled Qt binaries" "${MSVC}" "ENABLE_QT" OFF)
 
@@ -28,6 +31,8 @@ option(YUZU_USE_BUNDLED_LIBUSB "Compile bundled libusb" OFF)
 
 option(YUZU_USE_BUNDLED_FFMPEG "Download/Build bundled FFmpeg" "${WIN32}")
 
+option(YUZU_USE_QT_MULTIMEDIA "Use QtMultimedia for Camera" OFF)
+
 option(YUZU_USE_QT_WEB_ENGINE "Use QtWebEngine for web applet implementation" OFF)
 
 option(ENABLE_CUBEB "Enables the cubeb audio backend" ON)
@@ -213,128 +218,166 @@ if (MINGW)
     find_library(MSWSOCK_LIBRARY mswsock REQUIRED)
 endif()
 
+# Please consider this as a stub
+if(ENABLE_QT6 AND Qt6_LOCATION)
+    list(APPEND CMAKE_PREFIX_PATH "${Qt6_LOCATION}")
+endif()
+
+function(set_yuzu_qt_components)
+    # Best practice is to ask for all components at once, so they are from the same version
+    set(YUZU_QT_COMPONENTS2 Core Widgets Concurrent)
+    if (${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
+        list(APPEND YUZU_QT_COMPONENTS2 DBus)
+    endif()
+    if (YUZU_USE_QT_MULTIMEDIA)
+        list(APPEND YUZU_QT_COMPONENTS2 Multimedia)
+    endif()
+    if (YUZU_USE_QT_WEB_ENGINE)
+        list(APPEND YUZU_QT_COMPONENTS2 WebEngineCore WebEngineWidgets)
+    endif()
+    if (ENABLE_QT_TRANSLATION)
+        list(APPEND YUZU_QT_COMPONENTS2 LinguistTools)
+    endif()
+    set(YUZU_QT_COMPONENTS ${YUZU_QT_COMPONENTS2} PARENT_SCOPE)
+endfunction(set_yuzu_qt_components)
+
 # Qt5 requires that we find components, so it doesn't fit our pretty little find package function
 if(ENABLE_QT)
     set(QT_VERSION 5.15)
+    # These are used to specify minimum versions
+    set(QT5_VERSION 5.15)
+    set(QT6_VERSION 6.3.1)
 
-    # Check for system Qt on Linux, fallback to bundled Qt
-    if (UNIX AND NOT APPLE)
-        if (NOT YUZU_USE_BUNDLED_QT)
-            find_package(Qt5 ${QT_VERSION} COMPONENTS Widgets DBus Multimedia)
-        endif()
-        if (${CMAKE_SYSTEM_NAME} STREQUAL "Linux" AND (NOT Qt5_FOUND OR YUZU_USE_BUNDLED_QT))
-            # Check for dependencies, then enable bundled Qt download
-
-            # Check that the system GLIBCXX version is compatible
-            find_program(OBJDUMP objdump)
-            if ("${OBJDUMP}" STREQUAL "OBJDUMP-NOTFOUND")
-                message(FATAL_ERROR "Required program `objdump` not found.")
-            endif()
-            find_library(LIBSTDCXX libstdc++.so.6)
-            execute_process(
-                COMMAND
-                    ${OBJDUMP} -T ${LIBSTDCXX}
-                COMMAND
-                    grep GLIBCXX_3.4.28
-                COMMAND
-                    sed "s/[0-9a-f]*.*  //"
-                COMMAND
-                    sed "s/ .*//"
-                COMMAND
-                    sort -u
-                OUTPUT_VARIABLE
-                    GLIBCXX_MET
-            )
-            if (NOT GLIBCXX_MET)
-                message(FATAL_ERROR "Qt too old or not found, and bundled Qt package is not \
-                    compatible with this system. Either install Qt ${QT_VERSION}, or provide the path \
-                    to Qt by setting the variable Qt5_ROOT.")
+    set_yuzu_qt_components()
+    if (ENABLE_QT6)
+        find_package(Qt6 ${QT6_VERSION} COMPONENTS ${YUZU_QT_COMPONENTS})
+    endif()
+    if (Qt6_FOUND)
+        message(STATUS "yuzu/CMakeLists.txt: Qt6Widgets_VERSION ${Qt6Widgets_VERSION}, setting QT_VERSION")
+        set(QT_VERSION ${Qt6Widgets_VERSION})
+        set(QT_MAJOR_VERSION 6)
+        # Qt6 sets cxx_std_17 and we need to undo that
+        set_target_properties(Qt6::Platform PROPERTIES INTERFACE_COMPILE_FEATURES "")
+    else()
+        message(STATUS "yuzu/CMakeLists.txt: Qt6 not found/not selected, trying for Qt5")
+        # When Qt6 partially found, need this set to use Qt5 when not specifying version
+        set(QT_DEFAULT_MAJOR_VERSION 5)
+        set(QT_MAJOR_VERSION 5)
+
+        set(YUZU_USE_QT_MULTIMEDIA ON)
+        # Check for system Qt on Linux, fallback to bundled Qt
+        if (UNIX AND NOT APPLE)
+            if (NOT YUZU_USE_BUNDLED_QT)
+                find_package(Qt5 ${QT5_VERSION} COMPONENTS Widgets DBus Multimedia)
             endif()
+            if (${CMAKE_SYSTEM_NAME} STREQUAL "Linux" AND (NOT Qt5_FOUND OR YUZU_USE_BUNDLED_QT))
+                # Check for dependencies, then enable bundled Qt download
 
-            # Check for headers
-            find_package(PkgConfig REQUIRED)
-            pkg_check_modules(QT_DEP_GLU QUIET glu>=9.0.0)
-            if (NOT QT_DEP_GLU_FOUND)
-                message(FATAL_ERROR "Qt bundled pacakge dependency `glu` not found. \
-                    Perhaps `libglu1-mesa-dev` needs to be installed?")
-            endif()
-            pkg_check_modules(QT_DEP_MESA QUIET dri>=20.0.8)
-            if (NOT QT_DEP_MESA_FOUND)
-                message(FATAL_ERROR "Qt bundled pacakge dependency `dri` not found. \
-                    Perhaps `mesa-common-dev` needs to be installed?")
-            endif()
+                # Check that the system GLIBCXX version is compatible
+                find_program(OBJDUMP objdump)
+                if (NOT OBJDUMP)
+                    message(FATAL_ERROR "Required program `objdump` not found.")
+                endif()
+                find_library(LIBSTDCXX libstdc++.so.6)
+                execute_process(
+                    COMMAND
+                        ${OBJDUMP} -T ${LIBSTDCXX}
+                    COMMAND
+                        grep GLIBCXX_3.4.28
+                    COMMAND
+                        sed "s/[0-9a-f]*.*  //"
+                    COMMAND
+                        sed "s/ .*//"
+                    COMMAND
+                        sort -u
+                    OUTPUT_VARIABLE
+                        GLIBCXX_MET
+                )
+                if (NOT GLIBCXX_MET)
+                    message(FATAL_ERROR "Qt too old or not found, and bundled Qt package is not \
+                        compatible with this system. Either install Qt ${QT_VERSION}, or provide the path \
+                        to Qt by setting the variable Qt5_ROOT.")
+                endif()
 
-            # Check for X libraries
-            set(BUNDLED_QT_REQUIREMENTS
-                libxcb-icccm.so.4
-                libxcb-image.so.0
-                libxcb-keysyms.so.1
-                libxcb-randr.so.0
-                libxcb-render-util.so.0
-                libxcb-render.so.0
-                libxcb-shape.so.0
-                libxcb-shm.so.0
-                libxcb-sync.so.1
-                libxcb-xfixes.so.0
-                libxcb-xinerama.so.0
-                libxcb-xkb.so.1
-                libxcb.so.1
-                libxkbcommon-x11.so.0
-                libxkbcommon.so.0
-            )
-            set(UNRESOLVED_QT_DEPS "")
-            foreach (REQUIREMENT ${BUNDLED_QT_REQUIREMENTS})
-                find_library(BUNDLED_QT_${REQUIREMENT} ${REQUIREMENT})
-                if ("${BUNDLED_QT_${REQUIREMENT}}" STREQUAL "BUNDLED_QT_${REQUIREMENT}-NOTFOUND")
-                    set(UNRESOLVED_QT_DEPS ${UNRESOLVED_QT_DEPS} ${REQUIREMENT})
+                # Check for headers
+                find_package(PkgConfig REQUIRED)
+                pkg_check_modules(QT_DEP_GLU QUIET glu>=9.0.0)
+                if (NOT QT_DEP_GLU_FOUND)
+                    message(FATAL_ERROR "Qt bundled pacakge dependency `glu` not found. \
+                        Perhaps `libglu1-mesa-dev` needs to be installed?")
+                endif()
+                pkg_check_modules(QT_DEP_MESA QUIET dri>=20.0.8)
+                if (NOT QT_DEP_MESA_FOUND)
+                    message(FATAL_ERROR "Qt bundled pacakge dependency `dri` not found. \
+                        Perhaps `mesa-common-dev` needs to be installed?")
                 endif()
-                unset(BUNDLED_QT_${REQUIREMENT})
-            endforeach()
-            unset(BUNDLED_QT_REQUIREMENTS)
 
-            if (NOT "${UNRESOLVED_QT_DEPS}" STREQUAL "")
-                message(FATAL_ERROR "Bundled Qt package missing required dependencies: ${UNRESOLVED_QT_DEPS}")
-            endif()
+                # Check for X libraries
+                set(BUNDLED_QT_REQUIREMENTS
+                    libxcb-icccm.so.4
+                    libxcb-image.so.0
+                    libxcb-keysyms.so.1
+                    libxcb-randr.so.0
+                    libxcb-render-util.so.0
+                    libxcb-render.so.0
+                    libxcb-shape.so.0
+                    libxcb-shm.so.0
+                    libxcb-sync.so.1
+                    libxcb-xfixes.so.0
+                    libxcb-xinerama.so.0
+                    libxcb-xkb.so.1
+                    libxcb.so.1
+                    libxkbcommon-x11.so.0
+                    libxkbcommon.so.0
+                )
+                set(UNRESOLVED_QT_DEPS "")
+                foreach (REQUIREMENT ${BUNDLED_QT_REQUIREMENTS})
+                    find_library(BUNDLED_QT_${REQUIREMENT} ${REQUIREMENT})
+                    if (NOT BUNDLED_QT_${REQUIREMENT})
+                        set(UNRESOLVED_QT_DEPS ${UNRESOLVED_QT_DEPS} ${REQUIREMENT})
+                    endif()
+                    unset(BUNDLED_QT_${REQUIREMENT})
+                endforeach()
+                unset(BUNDLED_QT_REQUIREMENTS)
+
+                if (NOT "${UNRESOLVED_QT_DEPS}" STREQUAL "")
+                    message(FATAL_ERROR "Bundled Qt package missing required dependencies: ${UNRESOLVED_QT_DEPS}")
+                endif()
 
-            set(YUZU_USE_BUNDLED_QT ON CACHE BOOL "Download bundled Qt" FORCE)
-        endif()
-        if (YUZU_USE_BUNDLED_QT)
-            # Binary package currently does not support Qt webengine, so make sure it's disabled
-            set(YUZU_USE_QT_WEB_ENGINE OFF CACHE BOOL "Use Qt Webengine" FORCE)
+                set(YUZU_USE_BUNDLED_QT ON CACHE BOOL "Download bundled Qt" FORCE)
+            endif()
+            if (YUZU_USE_BUNDLED_QT)
+                # Binary package currently does not support Qt webengine, so make sure it's disabled
+                set(YUZU_USE_QT_WEB_ENGINE OFF CACHE BOOL "Use Qt Webengine" FORCE)
+            endif()
         endif()
-    endif()
 
-    set(YUZU_QT_NO_CMAKE_SYSTEM_PATH)
+        set(YUZU_QT_NO_CMAKE_SYSTEM_PATH)
 
-    if(YUZU_USE_BUNDLED_QT)
-        if ((MSVC_VERSION GREATER_EQUAL 1920 AND MSVC_VERSION LESS 1940) AND ARCHITECTURE_x86_64)
-            set(QT_BUILD qt-5.15.2-msvc2019_64)
-        elseif ((${CMAKE_SYSTEM_NAME} STREQUAL "Linux") AND NOT MINGW AND ARCHITECTURE_x86_64)
-            set(QT_BUILD qt5_5_15_2)
-        else()
-            message(FATAL_ERROR "No bundled Qt binaries for your toolchain. Disable YUZU_USE_BUNDLED_QT and provide your own.")
-        endif()
+        if(YUZU_USE_BUNDLED_QT)
+            if ((MSVC_VERSION GREATER_EQUAL 1920 AND MSVC_VERSION LESS 1940) AND ARCHITECTURE_x86_64)
+                set(QT_BUILD qt-5.15.2-msvc2019_64)
+            elseif ((${CMAKE_SYSTEM_NAME} STREQUAL "Linux") AND NOT MINGW AND ARCHITECTURE_x86_64)
+                set(QT_BUILD qt5_5_15_2)
+            else()
+                message(FATAL_ERROR "No bundled Qt binaries for your toolchain. Disable YUZU_USE_BUNDLED_QT and provide your own.")
+            endif()
 
-        if (DEFINED QT_BUILD)
-            download_bundled_external("qt/" ${QT_BUILD} QT_PREFIX)
-        endif()
+            if (DEFINED QT_BUILD)
+                download_bundled_external("qt/" ${QT_BUILD} QT_PREFIX)
+            endif()
 
-        set(QT_PREFIX_HINT HINTS "${QT_PREFIX}")
+            set(QT_PREFIX_HINT HINTS "${QT_PREFIX}")
 
-        set(YUZU_QT_NO_CMAKE_SYSTEM_PATH "NO_CMAKE_SYSTEM_PATH")
-    endif()
-    if (UNIX AND NOT APPLE AND YUZU_USE_BUNDLED_QT)
-        find_package(Qt5 ${QT_VERSION} REQUIRED COMPONENTS Widgets Concurrent Multimedia DBus ${QT_PREFIX_HINT} ${YUZU_QT_NO_CMAKE_SYSTEM_PATH})
-    else()
-        find_package(Qt5 ${QT_VERSION} REQUIRED COMPONENTS Widgets Concurrent Multimedia ${QT_PREFIX_HINT} ${YUZU_QT_NO_CMAKE_SYSTEM_PATH})
-    endif()
-    if (YUZU_USE_QT_WEB_ENGINE)
-        find_package(Qt5 REQUIRED COMPONENTS WebEngineCore WebEngineWidgets)
-    endif()
+            set(YUZU_QT_NO_CMAKE_SYSTEM_PATH "NO_CMAKE_SYSTEM_PATH")
+            # Binary package for Qt5 has Qt Multimedia
+            set(YUZU_USE_QT_MULTIMEDIA ON CACHE BOOL "Use Qt Multimedia" FORCE)
+        endif()
 
-    if (ENABLE_QT_TRANSLATION)
-        find_package(Qt5 REQUIRED COMPONENTS LinguistTools ${QT_PREFIX_HINT})
+        set_yuzu_qt_components()
+        find_package(Qt5 ${QT5_VERSION} COMPONENTS ${YUZU_QT_COMPONENTS} ${QT_PREFIX_HINT} ${YUZU_QT_NO_CMAKE_SYSTEM_PATH})
     endif()
+
 endif()
 
 # find SDL2 exports a bunch of variables that are needed, so its easier to do this outside of the yuzu_find_package

CMakeModules/CopyYuzuQt5Deps.cmake

@@ -27,10 +27,13 @@ function(copy_yuzu_Qt5_deps target_dir)
             Qt5Core$<$<CONFIG:Debug>:d>.*
             Qt5Gui$<$<CONFIG:Debug>:d>.*
             Qt5Widgets$<$<CONFIG:Debug>:d>.*
-            Qt5Multimedia$<$<CONFIG:Debug>:d>.*
             Qt5Network$<$<CONFIG:Debug>:d>.*
         )
-
+        if (YUZU_USE_QT_MULTIMEDIA)
+            windows_copy_files(${target_dir} ${Qt5_DLL_DIR} ${DLL_DEST}
+                Qt5Multimedia$<$<CONFIG:Debug>:d>.*
+            )
+        endif()
         if (YUZU_USE_QT_WEB_ENGINE)
             windows_copy_files(${target_dir} ${Qt5_DLL_DIR} ${DLL_DEST}
                 Qt5Network$<$<CONFIG:Debug>:d>.*

src/yuzu/CMakeLists.txt

@@ -295,7 +295,7 @@ if (APPLE)
     set_target_properties(yuzu PROPERTIES MACOSX_BUNDLE_INFO_PLIST ${CMAKE_CURRENT_SOURCE_DIR}/Info.plist)
 elseif(WIN32)
     # compile as a win32 gui application instead of a console application
-    if (QT_VERSION VERSION_GREATER 6)
+    if (QT_VERSION VERSION_GREATER_EQUAL 6)
         target_link_libraries(yuzu PRIVATE Qt6::EntryPointPrivate)
     else()
         target_link_libraries(yuzu PRIVATE Qt5::WinMain)
@@ -311,15 +311,15 @@ endif()
 create_target_directory_groups(yuzu)
 
 target_link_libraries(yuzu PRIVATE common core input_common network video_core)
-target_link_libraries(yuzu PRIVATE Boost::boost glad Qt::Widgets Qt::Multimedia)
+target_link_libraries(yuzu PRIVATE Boost::boost glad Qt${QT_MAJOR_VERSION}::Widgets)
 target_link_libraries(yuzu PRIVATE ${PLATFORM_LIBRARIES} Threads::Threads)
 
 target_include_directories(yuzu PRIVATE ../../externals/Vulkan-Headers/include)
 if (NOT WIN32)
-    target_include_directories(yuzu PRIVATE ${Qt5Gui_PRIVATE_INCLUDE_DIRS})
+    target_include_directories(yuzu PRIVATE ${Qt${QT_MAJOR_VERSION}Gui_PRIVATE_INCLUDE_DIRS})
 endif()
 if (UNIX AND NOT APPLE)
-    target_link_libraries(yuzu PRIVATE Qt::DBus)
+    target_link_libraries(yuzu PRIVATE Qt${QT_MAJOR_VERSION}::DBus)
 endif()
 
 target_compile_definitions(yuzu PRIVATE
@@ -358,8 +358,13 @@ if (ENABLE_WEB_SERVICE)
     target_compile_definitions(yuzu PRIVATE -DENABLE_WEB_SERVICE)
 endif()
 
+if (YUZU_USE_QT_MULTIMEDIA)
+    target_link_libraries(yuzu PRIVATE Qt${QT_MAJOR_VERSION}::Multimedia)
+    target_compile_definitions(yuzu PRIVATE -DYUZU_USE_QT_MULTIMEDIA)
+endif ()
+
 if (YUZU_USE_QT_WEB_ENGINE)
-    target_link_libraries(yuzu PRIVATE Qt::WebEngineCore Qt::WebEngineWidgets)
+    target_link_libraries(yuzu PRIVATE Qt${QT_MAJOR_VERSION}::WebEngineCore Qt${QT_MAJOR_VERSION}::WebEngineWidgets)
     target_compile_definitions(yuzu PRIVATE -DYUZU_USE_QT_WEB_ENGINE)
 endif ()
 
@@ -367,7 +372,16 @@ if(UNIX AND NOT APPLE)
     install(TARGETS yuzu)
 endif()
 
-if (YUZU_USE_BUNDLED_QT)
+if (WIN32 AND QT_VERSION VERSION_GREATER_EQUAL 6)
+    if (MSVC AND NOT ${CMAKE_GENERATOR} STREQUAL "Ninja")
+        set(YUZU_EXE_DIR "${CMAKE_BINARY_DIR}/bin/$<CONFIG>")
+    else()
+        set(YUZU_EXE_DIR "${CMAKE_BINARY_DIR}/bin")
+    endif()
+    add_custom_command(TARGET yuzu POST_BUILD COMMAND ${WINDEPLOYQT_EXECUTABLE} "${YUZU_EXE_DIR}/yuzu.exe" --dir "${YUZU_EXE_DIR}" --libdir "${YUZU_EXE_DIR}" --plugindir "${YUZU_EXE_DIR}/plugins" --no-compiler-runtime --no-opengl-sw --no-system-d3d-compiler --no-translations --verbose 0)
+endif()
+
+if (YUZU_USE_BUNDLED_QT AND QT_VERSION VERSION_LESS 6)
     include(CopyYuzuQt5Deps)
     copy_yuzu_Qt5_deps(yuzu)
 endif()

src/yuzu/bootmanager.cpp

@@ -4,8 +4,10 @@
 #include <glad/glad.h>
 
 #include <QApplication>
+#if (QT_VERSION < QT_VERSION_CHECK(6, 0, 0)) && YUZU_USE_QT_MULTIMEDIA
 #include <QCameraImageCapture>
 #include <QCameraInfo>
+#endif
 #include <QHBoxLayout>
 #include <QMessageBox>
 #include <QPainter>
@@ -707,6 +709,7 @@ void GRenderWindow::TouchEndEvent() {
 }
 
 void GRenderWindow::InitializeCamera() {
+#if (QT_VERSION < QT_VERSION_CHECK(6, 0, 0)) && YUZU_USE_QT_MULTIMEDIA
     constexpr auto camera_update_ms = std::chrono::milliseconds{50}; // (50ms, 20Hz)
     if (!Settings::values.enable_ir_sensor) {
         return;
@@ -760,18 +763,22 @@ void GRenderWindow::InitializeCamera() {
     connect(camera_timer.get(), &QTimer::timeout, [this] { RequestCameraCapture(); });
     // This timer should be dependent of camera resolution 5ms for every 100 pixels
     camera_timer->start(camera_update_ms);
+#endif
 }
 
 void GRenderWindow::FinalizeCamera() {
+#if (QT_VERSION < QT_VERSION_CHECK(6, 0, 0)) && YUZU_USE_QT_MULTIMEDIA
     if (camera_timer) {
         camera_timer->stop();
     }
     if (camera) {
         camera->unload();
     }
+#endif
 }
 
 void GRenderWindow::RequestCameraCapture() {
+#if (QT_VERSION < QT_VERSION_CHECK(6, 0, 0)) && YUZU_USE_QT_MULTIMEDIA
     if (!Settings::values.enable_ir_sensor) {
         return;
     }
@@ -788,6 +795,7 @@ void GRenderWindow::RequestCameraCapture() {
 
     pending_camera_snapshots++;
     camera_capture->capture();
+#endif
 }
 
 void GRenderWindow::OnCameraCapture(int requestId, const QImage& img) {

src/yuzu/bootmanager.h

@@ -241,8 +241,10 @@ private:
 
     bool is_virtual_camera;
     int pending_camera_snapshots;
+#if (QT_VERSION < QT_VERSION_CHECK(6, 0, 0)) && YUZU_USE_QT_MULTIMEDIA
     std::unique_ptr<QCamera> camera;
     std::unique_ptr<QCameraImageCapture> camera_capture;
+#endif
     std::unique_ptr<QTimer> camera_timer;
 
     Core::System& system;

src/yuzu/configuration/configure_camera.cpp

@@ -2,8 +2,11 @@
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 #include <memory>
+#include <QtCore>
+#if (QT_VERSION < QT_VERSION_CHECK(6, 0, 0)) && YUZU_USE_QT_MULTIMEDIA
 #include <QCameraImageCapture>
 #include <QCameraInfo>
+#endif
 #include <QStandardItemModel>
 #include <QTimer>
 
@@ -33,6 +36,7 @@ ConfigureCamera::ConfigureCamera(QWidget* parent, InputCommon::InputSubsystem* i
 ConfigureCamera::~ConfigureCamera() = default;
 
 void ConfigureCamera::PreviewCamera() {
+#if (QT_VERSION < QT_VERSION_CHECK(6, 0, 0)) && YUZU_USE_QT_MULTIMEDIA
     const auto index = ui->ir_sensor_combo_box->currentIndex();
     bool camera_found = false;
     const QList<QCameraInfo> cameras = QCameraInfo::availableCameras();
@@ -101,6 +105,7 @@ void ConfigureCamera::PreviewCamera() {
     });
 
     camera_timer->start(250);
+#endif
 }
 
 void ConfigureCamera::DisplayCapturedFrame(int requestId, const QImage& img) {
@@ -133,11 +138,13 @@ void ConfigureCamera::LoadConfiguration() {
     ui->ir_sensor_combo_box->clear();
     input_devices.push_back("Auto");
     ui->ir_sensor_combo_box->addItem(tr("Auto"));
+#if (QT_VERSION < QT_VERSION_CHECK(6, 0, 0)) && YUZU_USE_QT_MULTIMEDIA
     const auto cameras = QCameraInfo::availableCameras();
     for (const QCameraInfo& cameraInfo : cameras) {
         input_devices.push_back(cameraInfo.deviceName().toStdString());
         ui->ir_sensor_combo_box->addItem(cameraInfo.description());
     }
+#endif
 
     const auto current_device = Settings::values.ir_sensor_device.GetValue();
 

src/yuzu/configuration/configure_camera.h

@@ -46,8 +46,10 @@ private:
 
     bool is_virtual_camera;
     int pending_snapshots;
+#if (QT_VERSION < QT_VERSION_CHECK(6, 0, 0)) && YUZU_USE_QT_MULTIMEDIA
     std::unique_ptr<QCamera> camera;
     std::unique_ptr<QCameraImageCapture> camera_capture;
+#endif
     std::unique_ptr<QTimer> camera_timer;
     std::vector<std::string> input_devices;
     std::unique_ptr<Ui::ConfigureCamera> ui;

src/yuzu/configuration/configure_input_advanced.cpp

@@ -194,4 +194,8 @@ void ConfigureInputAdvanced::UpdateUIEnabled() {
     ui->mouse_panning->setEnabled(!ui->mouse_enabled->isChecked());
     ui->mouse_panning_sensitivity->setEnabled(!ui->mouse_enabled->isChecked());
     ui->ring_controller_configure->setEnabled(ui->enable_ring_controller->isChecked());
+#if QT_VERSION > QT_VERSION_CHECK(6, 0, 0) || !defined(YUZU_USE_QT_MULTIMEDIA)
+    ui->enable_ir_sensor->setEnabled(false);
+    ui->camera_configure->setEnabled(false);
+#endif
 }

src/yuzu/main.cpp

@@ -237,6 +237,7 @@ static void LogRuntimes() {
         LOG_INFO(Frontend, "Unable to inspect {}", runtime_dll_name);
     }
 #endif
+    LOG_INFO(Frontend, "Qt Compile: {} Runtime: {}", QT_VERSION_STR, qVersion());
 }
 
 static QString PrettyProductName() {
@@ -4217,10 +4218,12 @@ int main(int argc, char* argv[]) {
     // so we can see if we get \u3008 instead
     // TL;DR all other number formats are consecutive in unicode code points
     // This bug is fixed in Qt6, specifically 6.0.0-alpha1
+#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
     const QLocale locale = QLocale::system();
     if (QStringLiteral("\u3008") == locale.toString(1)) {
         QLocale::setDefault(QLocale::system().name());
     }
+#endif
 
     // Qt changes the locale and causes issues in float conversion using std::to_string() when
     // generating shaders

src/yuzu/multiplayer/direct_connect.cpp

@@ -4,7 +4,7 @@
 #include <QComboBox>
 #include <QFuture>
 #include <QIntValidator>
-#include <QRegExpValidator>
+#include <QRegularExpressionValidator>
 #include <QString>
 #include <QtConcurrent/QtConcurrentRun>
 #include "common/settings.h"

src/yuzu/multiplayer/validation.h

@@ -3,7 +3,7 @@
 
 #pragma once
 
-#include <QRegExp>
+#include <QRegularExpression>
 #include <QString>
 #include <QValidator>
 
@@ -29,19 +29,21 @@ public:
 
 private:
     /// room name can be alphanumeric and " " "_" "." and "-" and must have a size of 4-20
-    QRegExp room_name_regex = QRegExp(QStringLiteral("^[a-zA-Z0-9._- ]{4,20}$"));
-    QRegExpValidator room_name;
+    QRegularExpression room_name_regex =
+        QRegularExpression(QStringLiteral("^[a-zA-Z0-9._ -]{4,20}"));
+    QRegularExpressionValidator room_name;
 
     /// nickname can be alphanumeric and " " "_" "." and "-" and must have a size of 4-20
-    QRegExp nickname_regex = QRegExp(QStringLiteral("^[a-zA-Z0-9._- ]{4,20}$"));
-    QRegExpValidator nickname;
+    const QRegularExpression nickname_regex =
+        QRegularExpression(QStringLiteral("^[a-zA-Z0-9._ -]{4,20}"));
+    QRegularExpressionValidator nickname;
 
     /// ipv4 address only
     // TODO remove this when we support hostnames in direct connect
-    QRegExp ip_regex = QRegExp(QStringLiteral(
+    QRegularExpression ip_regex = QRegularExpression(QStringLiteral(
         "(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|"
         "2[0-4][0-9]|25[0-5])"));
-    QRegExpValidator ip;
+    QRegularExpressionValidator ip;
 
     /// port must be between 0 and 65535
     QIntValidator port;