common: fix bitfield aliasing on GCC/Clang

src/audio_core/audio_renderer.cpp

@@ -2,7 +2,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 #include <limits>
-#include <optional>
 #include <vector>
 
 #include "audio_core/audio_out.h"
@@ -89,12 +88,9 @@ AudioRenderer::AudioRenderer(Core::Timing::CoreTiming& core_timing_, Core::Memor
     stream = audio_out->OpenStream(
         core_timing, params.sample_rate, AudioCommon::STREAM_NUM_CHANNELS,
         fmt::format("AudioRenderer-Instance{}", instance_number), std::move(release_callback));
-    process_event =
-        Core::Timing::CreateEvent(fmt::format("AudioRenderer-Instance{}-Process", instance_number),
-                                  [this](std::uintptr_t, s64, std::chrono::nanoseconds) {
-                                      ReleaseAndQueueBuffers();
-                                      return std::nullopt;
-                                  });
+    process_event = Core::Timing::CreateEvent(
+        fmt::format("AudioRenderer-Instance{}-Process", instance_number),
+        [this](std::uintptr_t, std::chrono::nanoseconds) { ReleaseAndQueueBuffers(); });
     for (s32 i = 0; i < NUM_BUFFERS; ++i) {
         QueueMixedBuffer(i);
     }

src/audio_core/stream.cpp

@@ -34,10 +34,9 @@ Stream::Stream(Core::Timing::CoreTiming& core_timing_, u32 sample_rate_, Format
                ReleaseCallback&& release_callback_, SinkStream& sink_stream_, std::string&& name_)
     : sample_rate{sample_rate_}, format{format_}, release_callback{std::move(release_callback_)},
       sink_stream{sink_stream_}, core_timing{core_timing_}, name{std::move(name_)} {
-    release_event = Core::Timing::CreateEvent(
-        name, [this](std::uintptr_t, s64 time, std::chrono::nanoseconds ns_late) {
+    release_event =
+        Core::Timing::CreateEvent(name, [this](std::uintptr_t, std::chrono::nanoseconds ns_late) {
             ReleaseActiveBuffer(ns_late);
-            return std::nullopt;
         });
 }
 

src/common/bit_field.h

@@ -146,7 +146,16 @@ public:
     }
 
     constexpr void Assign(const T& value) {
+#ifdef _MSC_VER
         storage = static_cast<StorageType>((storage & ~mask) | FormatValue(value));
+#else
+        // Explicitly reload with memcpy to avoid compiler aliasing quirks
+        // regarding optimization: GCC/Clang clobber chained stores to
+        // different bitfields in the same struct with the last value.
+        StorageTypeWithEndian storage_;
+        std::memcpy(&storage_, &storage, sizeof(storage_));
+        storage = static_cast<StorageType>((storage_ & ~mask) | FormatValue(value));
+#endif
     }
 
     [[nodiscard]] constexpr T Value() const {

src/core/core_timing.cpp

@@ -22,11 +22,10 @@ std::shared_ptr<EventType> CreateEvent(std::string name, TimedCallback&& callbac
 }
 
 struct CoreTiming::Event {
-    s64 time;
+    u64 time;
     u64 fifo_order;
     std::uintptr_t user_data;
     std::weak_ptr<EventType> type;
-    s64 reschedule_time;
 
     // Sort by time, unless the times are the same, in which case sort by
     // the order added to the queue
@@ -59,11 +58,15 @@ void CoreTiming::Initialize(std::function<void()>&& on_thread_init_) {
     event_fifo_id = 0;
     shutting_down = false;
     ticks = 0;
-    const auto empty_timed_callback = [](std::uintptr_t, u64, std::chrono::nanoseconds)
-        -> std::optional<std::chrono::nanoseconds> { return std::nullopt; };
+    const auto empty_timed_callback = [](std::uintptr_t, std::chrono::nanoseconds) {};
     ev_lost = CreateEvent("_lost_event", empty_timed_callback);
     if (is_multicore) {
-        worker_threads.emplace_back(ThreadEntry, std::ref(*this), 0);
+        const auto hardware_concurrency = std::thread::hardware_concurrency();
+        size_t id = 0;
+        worker_threads.emplace_back(ThreadEntry, std::ref(*this), id++);
+        if (hardware_concurrency > 8) {
+            worker_threads.emplace_back(ThreadEntry, std::ref(*this), id++);
+        }
     }
 }
 
@@ -78,7 +81,6 @@ void CoreTiming::Shutdown() {
         thread.join();
     }
     worker_threads.clear();
-    pause_callbacks.clear();
     ClearPendingEvents();
     has_started = false;
 }
@@ -96,14 +98,6 @@ void CoreTiming::Pause(bool is_paused_) {
         }
     }
     paused_state.store(is_paused_, std::memory_order_relaxed);
-
-    if (!is_paused_) {
-        pause_end_time = GetGlobalTimeNs().count();
-    }
-
-    for (auto& cb : pause_callbacks) {
-        cb(is_paused_);
-    }
 }
 
 void CoreTiming::SyncPause(bool is_paused_) {
@@ -127,14 +121,6 @@ void CoreTiming::SyncPause(bool is_paused_) {
             wait_signal_cv.wait(main_lock, [this] { return pause_count == 0; });
         }
     }
-
-    if (!is_paused_) {
-        pause_end_time = GetGlobalTimeNs().count();
-    }
-
-    for (auto& cb : pause_callbacks) {
-        cb(is_paused_);
-    }
 }
 
 bool CoreTiming::IsRunning() const {
@@ -148,30 +134,12 @@ bool CoreTiming::HasPendingEvents() const {
 
 void CoreTiming::ScheduleEvent(std::chrono::nanoseconds ns_into_future,
                                const std::shared_ptr<EventType>& event_type,
-                               std::uintptr_t user_data, bool absolute_time) {
+                               std::uintptr_t user_data) {
 
     std::unique_lock main_lock(event_mutex);
-    const auto next_time{absolute_time ? ns_into_future : GetGlobalTimeNs() + ns_into_future};
+    const u64 timeout = static_cast<u64>((GetGlobalTimeNs() + ns_into_future).count());
 
-    event_queue.emplace_back(Event{next_time.count(), event_fifo_id++, user_data, event_type, 0});
-    pending_events.fetch_add(1, std::memory_order_relaxed);
-
-    std::push_heap(event_queue.begin(), event_queue.end(), std::greater<>());
-
-    if (is_multicore) {
-        event_cv.notify_one();
-    }
-}
-
-void CoreTiming::ScheduleLoopingEvent(std::chrono::nanoseconds start_time,
-                                      std::chrono::nanoseconds resched_time,
-                                      const std::shared_ptr<EventType>& event_type,
-                                      std::uintptr_t user_data, bool absolute_time) {
-    std::unique_lock main_lock(event_mutex);
-    const auto next_time{absolute_time ? start_time : GetGlobalTimeNs() + start_time};
-
-    event_queue.emplace_back(
-        Event{next_time.count(), event_fifo_id++, user_data, event_type, resched_time.count()});
+    event_queue.emplace_back(Event{timeout, event_fifo_id++, user_data, event_type});
     pending_events.fetch_add(1, std::memory_order_relaxed);
 
     std::push_heap(event_queue.begin(), event_queue.end(), std::greater<>());
@@ -250,11 +218,6 @@ void CoreTiming::RemoveEvent(const std::shared_ptr<EventType>& event_type) {
     }
 }
 
-void CoreTiming::RegisterPauseCallback(PauseCallback&& callback) {
-    std::unique_lock main_lock(event_mutex);
-    pause_callbacks.emplace_back(std::move(callback));
-}
-
 std::optional<s64> CoreTiming::Advance() {
     global_timer = GetGlobalTimeNs().count();
 
@@ -265,31 +228,17 @@ std::optional<s64> CoreTiming::Advance() {
         event_queue.pop_back();
 
         if (const auto event_type{evt.type.lock()}) {
+            sequence_mutex.lock();
             event_mutex.unlock();
 
-            const auto new_schedule_time{event_type->callback(
-                evt.user_data, evt.time,
-                std::chrono::nanoseconds{GetGlobalTimeNs().count() - evt.time})};
+            event_type->guard.lock();
+            sequence_mutex.unlock();
+            const s64 delay = static_cast<s64>(GetGlobalTimeNs().count() - evt.time);
+            event_type->callback(evt.user_data, std::chrono::nanoseconds{delay});
+            event_type->guard.unlock();
 
             event_mutex.lock();
             pending_events.fetch_sub(1, std::memory_order_relaxed);
-
-            if (evt.reschedule_time != 0) {
-                // If this event was scheduled into a pause, its time now is going to be way behind.
-                // Re-set this event to continue from the end of the pause.
-                auto next_time{evt.time + evt.reschedule_time};
-                if (evt.time < pause_end_time) {
-                    next_time = pause_end_time + evt.reschedule_time;
-                }
-
-                const auto next_schedule_time{new_schedule_time.has_value()
-                                                  ? new_schedule_time.value().count()
-                                                  : evt.reschedule_time};
-                event_queue.emplace_back(
-                    Event{next_time, event_fifo_id++, evt.user_data, evt.type, next_schedule_time});
-                pending_events.fetch_add(1, std::memory_order_relaxed);
-                std::push_heap(event_queue.begin(), event_queue.end(), std::greater<>());
-            }
         }
 
         global_timer = GetGlobalTimeNs().count();

src/core/core_timing.h

@@ -20,9 +20,8 @@
 namespace Core::Timing {
 
 /// A callback that may be scheduled for a particular core timing event.
-using TimedCallback = std::function<std::optional<std::chrono::nanoseconds>(
-    std::uintptr_t user_data, s64 time, std::chrono::nanoseconds ns_late)>;
-using PauseCallback = std::function<void(bool paused)>;
+using TimedCallback =
+    std::function<void(std::uintptr_t user_data, std::chrono::nanoseconds ns_late)>;
 
 /// Contains the characteristics of a particular event.
 struct EventType {
@@ -33,6 +32,7 @@ struct EventType {
     TimedCallback callback;
     /// A pointer to the name of the event.
     const std::string name;
+    mutable std::mutex guard;
 };
 
 /**
@@ -94,15 +94,7 @@ public:
 
     /// Schedules an event in core timing
     void ScheduleEvent(std::chrono::nanoseconds ns_into_future,
-                       const std::shared_ptr<EventType>& event_type, std::uintptr_t user_data = 0,
-                       bool absolute_time = false);
-
-    /// Schedules an event which will automatically re-schedule itself with the given time, until
-    /// unscheduled
-    void ScheduleLoopingEvent(std::chrono::nanoseconds start_time,
-                              std::chrono::nanoseconds resched_time,
-                              const std::shared_ptr<EventType>& event_type,
-                              std::uintptr_t user_data = 0, bool absolute_time = false);
+                       const std::shared_ptr<EventType>& event_type, std::uintptr_t user_data = 0);
 
     void UnscheduleEvent(const std::shared_ptr<EventType>& event_type, std::uintptr_t user_data);
 
@@ -134,9 +126,6 @@ public:
     /// Checks for events manually and returns time in nanoseconds for next event, threadsafe.
     std::optional<s64> Advance();
 
-    /// Register a callback function to be called when coretiming pauses.
-    void RegisterPauseCallback(PauseCallback&& callback);
-
 private:
     struct Event;
 
@@ -148,7 +137,7 @@ private:
 
     std::unique_ptr<Common::WallClock> clock;
 
-    s64 global_timer = 0;
+    u64 global_timer = 0;
 
     // The queue is a min-heap using std::make_heap/push_heap/pop_heap.
     // We don't use std::priority_queue because we need to be able to serialize, unserialize and
@@ -168,19 +157,17 @@ private:
     std::condition_variable wait_pause_cv;
     std::condition_variable wait_signal_cv;
     mutable std::mutex event_mutex;
+    mutable std::mutex sequence_mutex;
 
     std::atomic<bool> paused_state{};
     bool is_paused{};
     bool shutting_down{};
     bool is_multicore{};
     size_t pause_count{};
-    s64 pause_end_time{};
 
     /// Cycle timing
     u64 ticks{};
     s64 downcount{};
-
-    std::vector<PauseCallback> pause_callbacks{};
 };
 
 /// Creates a core timing event with the given name and callback.

src/core/hardware_interrupt_manager.cpp

@@ -11,14 +11,11 @@ namespace Core::Hardware {
 
 InterruptManager::InterruptManager(Core::System& system_in) : system(system_in) {
     gpu_interrupt_event = Core::Timing::CreateEvent(
-        "GPUInterrupt",
-        [this](std::uintptr_t message, u64 time,
-               std::chrono::nanoseconds) -> std::optional<std::chrono::nanoseconds> {
+        "GPUInterrupt", [this](std::uintptr_t message, std::chrono::nanoseconds) {
             auto nvdrv = system.ServiceManager().GetService<Service::Nvidia::NVDRV>("nvdrv");
             const u32 syncpt = static_cast<u32>(message >> 32);
             const u32 value = static_cast<u32>(message);
             nvdrv->SignalGPUInterruptSyncpt(syncpt, value);
-            return std::nullopt;
         });
 }
 

src/core/hle/kernel/kernel.cpp

@@ -234,18 +234,17 @@ struct KernelCore::Impl {
 
     void InitializePreemption(KernelCore& kernel) {
         preemption_event = Core::Timing::CreateEvent(
-            "PreemptionCallback",
-            [this, &kernel](std::uintptr_t, s64 time,
-                            std::chrono::nanoseconds) -> std::optional<std::chrono::nanoseconds> {
+            "PreemptionCallback", [this, &kernel](std::uintptr_t, std::chrono::nanoseconds) {
                 {
                     KScopedSchedulerLock lock(kernel);
                     global_scheduler_context->PreemptThreads();
                 }
-                return std::nullopt;
+                const auto time_interval = std::chrono::nanoseconds{std::chrono::milliseconds(10)};
+                system.CoreTiming().ScheduleEvent(time_interval, preemption_event);
             });
 
         const auto time_interval = std::chrono::nanoseconds{std::chrono::milliseconds(10)};
-        system.CoreTiming().ScheduleLoopingEvent(time_interval, time_interval, preemption_event);
+        system.CoreTiming().ScheduleEvent(time_interval, preemption_event);
     }
 
     void InitializeShutdownThreads() {

src/core/hle/kernel/time_manager.cpp

@@ -11,17 +11,15 @@
 namespace Kernel {
 
 TimeManager::TimeManager(Core::System& system_) : system{system_} {
-    time_manager_event_type = Core::Timing::CreateEvent(
-        "Kernel::TimeManagerCallback",
-        [this](std::uintptr_t thread_handle, s64 time,
-               std::chrono::nanoseconds) -> std::optional<std::chrono::nanoseconds> {
-            KThread* thread = reinterpret_cast<KThread*>(thread_handle);
-            {
-                KScopedSchedulerLock sl(system.Kernel());
-                thread->OnTimer();
-            }
-            return std::nullopt;
-        });
+    time_manager_event_type =
+        Core::Timing::CreateEvent("Kernel::TimeManagerCallback",
+                                  [this](std::uintptr_t thread_handle, std::chrono::nanoseconds) {
+                                      KThread* thread = reinterpret_cast<KThread*>(thread_handle);
+                                      {
+                                          KScopedSchedulerLock sl(system.Kernel());
+                                          thread->OnTimer();
+                                      }
+                                  });
 }
 
 void TimeManager::ScheduleTimeEvent(KThread* thread, s64 nanoseconds) {

src/core/hle/service/hid/hid.cpp

@@ -74,34 +74,26 @@ IAppletResource::IAppletResource(Core::System& system_,
     // Register update callbacks
     pad_update_event = Core::Timing::CreateEvent(
         "HID::UpdatePadCallback",
-        [this](std::uintptr_t user_data, s64 time,
-               std::chrono::nanoseconds ns_late) -> std::optional<std::chrono::nanoseconds> {
+        [this](std::uintptr_t user_data, std::chrono::nanoseconds ns_late) {
             const auto guard = LockService();
             UpdateControllers(user_data, ns_late);
-            return std::nullopt;
         });
     mouse_keyboard_update_event = Core::Timing::CreateEvent(
         "HID::UpdateMouseKeyboardCallback",
-        [this](std::uintptr_t user_data, s64 time,
-               std::chrono::nanoseconds ns_late) -> std::optional<std::chrono::nanoseconds> {
+        [this](std::uintptr_t user_data, std::chrono::nanoseconds ns_late) {
             const auto guard = LockService();
             UpdateMouseKeyboard(user_data, ns_late);
-            return std::nullopt;
         });
     motion_update_event = Core::Timing::CreateEvent(
         "HID::UpdateMotionCallback",
-        [this](std::uintptr_t user_data, s64 time,
-               std::chrono::nanoseconds ns_late) -> std::optional<std::chrono::nanoseconds> {
+        [this](std::uintptr_t user_data, std::chrono::nanoseconds ns_late) {
             const auto guard = LockService();
             UpdateMotion(user_data, ns_late);
-            return std::nullopt;
         });
 
-    system.CoreTiming().ScheduleLoopingEvent(pad_update_ns, pad_update_ns, pad_update_event);
-    system.CoreTiming().ScheduleLoopingEvent(mouse_keyboard_update_ns, mouse_keyboard_update_ns,
-                                             mouse_keyboard_update_event);
-    system.CoreTiming().ScheduleLoopingEvent(motion_update_ns, motion_update_ns,
-                                             motion_update_event);
+    system.CoreTiming().ScheduleEvent(pad_update_ns, pad_update_event);
+    system.CoreTiming().ScheduleEvent(mouse_keyboard_update_ns, mouse_keyboard_update_event);
+    system.CoreTiming().ScheduleEvent(motion_update_ns, motion_update_event);
 
     system.HIDCore().ReloadInputDevices();
 }
@@ -143,6 +135,13 @@ void IAppletResource::UpdateControllers(std::uintptr_t user_data,
         }
         controller->OnUpdate(core_timing);
     }
+
+    // If ns_late is higher than the update rate ignore the delay
+    if (ns_late > pad_update_ns) {
+        ns_late = {};
+    }
+
+    core_timing.ScheduleEvent(pad_update_ns - ns_late, pad_update_event);
 }
 
 void IAppletResource::UpdateMouseKeyboard(std::uintptr_t user_data,
@@ -151,12 +150,26 @@ void IAppletResource::UpdateMouseKeyboard(std::uintptr_t user_data,
 
     controllers[static_cast<size_t>(HidController::Mouse)]->OnUpdate(core_timing);
     controllers[static_cast<size_t>(HidController::Keyboard)]->OnUpdate(core_timing);
+
+    // If ns_late is higher than the update rate ignore the delay
+    if (ns_late > mouse_keyboard_update_ns) {
+        ns_late = {};
+    }
+
+    core_timing.ScheduleEvent(mouse_keyboard_update_ns - ns_late, mouse_keyboard_update_event);
 }
 
 void IAppletResource::UpdateMotion(std::uintptr_t user_data, std::chrono::nanoseconds ns_late) {
     auto& core_timing = system.CoreTiming();
 
     controllers[static_cast<size_t>(HidController::NPad)]->OnMotionUpdate(core_timing);
+
+    // If ns_late is higher than the update rate ignore the delay
+    if (ns_late > motion_update_ns) {
+        ns_late = {};
+    }
+
+    core_timing.ScheduleEvent(motion_update_ns - ns_late, motion_update_event);
 }
 
 class IActiveVibrationDeviceList final : public ServiceFramework<IActiveVibrationDeviceList> {

src/core/hle/service/hid/hidbus.cpp

@@ -50,15 +50,12 @@ HidBus::HidBus(Core::System& system_)
     // Register update callbacks
     hidbus_update_event = Core::Timing::CreateEvent(
         "Hidbus::UpdateCallback",
-        [this](std::uintptr_t user_data, s64 time,
-               std::chrono::nanoseconds ns_late) -> std::optional<std::chrono::nanoseconds> {
+        [this](std::uintptr_t user_data, std::chrono::nanoseconds ns_late) {
             const auto guard = LockService();
             UpdateHidbus(user_data, ns_late);
-            return std::nullopt;
         });
 
-    system_.CoreTiming().ScheduleLoopingEvent(hidbus_update_ns, hidbus_update_ns,
-                                              hidbus_update_event);
+    system_.CoreTiming().ScheduleEvent(hidbus_update_ns, hidbus_update_event);
 }
 
 HidBus::~HidBus() {
@@ -66,6 +63,8 @@ HidBus::~HidBus() {
 }
 
 void HidBus::UpdateHidbus(std::uintptr_t user_data, std::chrono::nanoseconds ns_late) {
+    auto& core_timing = system.CoreTiming();
+
     if (is_hidbus_enabled) {
         for (std::size_t i = 0; i < devices.size(); ++i) {
             if (!devices[i].is_device_initializated) {
@@ -83,6 +82,13 @@ void HidBus::UpdateHidbus(std::uintptr_t user_data, std::chrono::nanoseconds ns_
                         sizeof(HidbusStatusManagerEntry));
         }
     }
+
+    // If ns_late is higher than the update rate ignore the delay
+    if (ns_late > hidbus_update_ns) {
+        ns_late = {};
+    }
+
+    core_timing.ScheduleEvent(hidbus_update_ns - ns_late, hidbus_update_event);
 }
 
 std::optional<std::size_t> HidBus::GetDeviceIndexFromHandle(BusHandle handle) const {

src/core/hle/service/nvflinger/nvflinger.cpp

@@ -67,20 +67,21 @@ NVFlinger::NVFlinger(Core::System& system_, HosBinderDriverServer& hos_binder_dr
 
     // Schedule the screen composition events
     composition_event = Core::Timing::CreateEvent(
-        "ScreenComposition",
-        [this](std::uintptr_t, s64 time,
-               std::chrono::nanoseconds ns_late) -> std::optional<std::chrono::nanoseconds> {
+        "ScreenComposition", [this](std::uintptr_t, std::chrono::nanoseconds ns_late) {
             const auto lock_guard = Lock();
             Compose();
 
-            return std::max(std::chrono::nanoseconds::zero(),
-                            std::chrono::nanoseconds(GetNextTicks()) - ns_late);
+            const auto ticks = std::chrono::nanoseconds{GetNextTicks()};
+            const auto ticks_delta = ticks - ns_late;
+            const auto future_ns = std::max(std::chrono::nanoseconds::zero(), ticks_delta);
+
+            this->system.CoreTiming().ScheduleEvent(future_ns, composition_event);
         });
 
     if (system.IsMulticore()) {
         vsync_thread = std::jthread([this](std::stop_token token) { SplitVSync(token); });
     } else {
-        system.CoreTiming().ScheduleLoopingEvent(frame_ns, frame_ns, composition_event);
+        system.CoreTiming().ScheduleEvent(frame_ns, composition_event);
     }
 }
 

src/core/memory/cheat_engine.cpp

@@ -184,12 +184,10 @@ CheatEngine::~CheatEngine() {
 void CheatEngine::Initialize() {
     event = Core::Timing::CreateEvent(
         "CheatEngine::FrameCallback::" + Common::HexToString(metadata.main_nso_build_id),
-        [this](std::uintptr_t user_data, s64 time,
-               std::chrono::nanoseconds ns_late) -> std::optional<std::chrono::nanoseconds> {
+        [this](std::uintptr_t user_data, std::chrono::nanoseconds ns_late) {
             FrameCallback(user_data, ns_late);
-            return std::nullopt;
         });
-    core_timing.ScheduleLoopingEvent(CHEAT_ENGINE_NS, CHEAT_ENGINE_NS, event);
+    core_timing.ScheduleEvent(CHEAT_ENGINE_NS, event);
 
     metadata.process_id = system.CurrentProcess()->GetProcessID();
     metadata.title_id = system.GetCurrentProcessProgramID();
@@ -239,6 +237,8 @@ void CheatEngine::FrameCallback(std::uintptr_t, std::chrono::nanoseconds ns_late
     MICROPROFILE_SCOPE(Cheat_Engine);
 
     vm.Execute(metadata);
+
+    core_timing.ScheduleEvent(CHEAT_ENGINE_NS - ns_late, event);
 }
 
 } // namespace Core::Memory

src/core/tools/freezer.cpp

@@ -53,10 +53,8 @@ Freezer::Freezer(Core::Timing::CoreTiming& core_timing_, Core::Memory::Memory& m
     : core_timing{core_timing_}, memory{memory_} {
     event = Core::Timing::CreateEvent(
         "MemoryFreezer::FrameCallback",
-        [this](std::uintptr_t user_data, s64 time,
-               std::chrono::nanoseconds ns_late) -> std::optional<std::chrono::nanoseconds> {
+        [this](std::uintptr_t user_data, std::chrono::nanoseconds ns_late) {
             FrameCallback(user_data, ns_late);
-            return std::nullopt;
         });
     core_timing.ScheduleEvent(memory_freezer_ns, event);
 }

src/tests/core/core_timing.cpp

@@ -9,7 +9,6 @@
 #include <cstdlib>
 #include <memory>
 #include <mutex>
-#include <optional>
 #include <string>
 
 #include "core/core.h"
@@ -26,15 +25,13 @@ u64 expected_callback = 0;
 std::mutex control_mutex;
 
 template <unsigned int IDX>
-std::optional<std::chrono::nanoseconds> HostCallbackTemplate(std::uintptr_t user_data, s64 time,
-                                                             std::chrono::nanoseconds ns_late) {
+void HostCallbackTemplate(std::uintptr_t user_data, std::chrono::nanoseconds ns_late) {
     std::unique_lock<std::mutex> lk(control_mutex);
     static_assert(IDX < CB_IDS.size(), "IDX out of range");
     callbacks_ran_flags.set(IDX);
     REQUIRE(CB_IDS[IDX] == user_data);
     delays[IDX] = ns_late.count();
     ++expected_callback;
-    return std::nullopt;
 }
 
 struct ScopeInit final {

src/video_core/compatible_formats.cpp

@@ -131,12 +131,9 @@ constexpr std::array VIEW_CLASS_ASTC_8x8_RGBA{
 // PixelFormat::ASTC_2D_10X5_SRGB
 
 // Missing formats:
+// PixelFormat::ASTC_2D_10X6_UNORM
 // PixelFormat::ASTC_2D_10X6_SRGB
 
-constexpr std::array VIEW_CLASS_ASTC_10x6_RGBA{
-    PixelFormat::ASTC_2D_10X6_UNORM,
-};
-
 constexpr std::array VIEW_CLASS_ASTC_10x8_RGBA{
     PixelFormat::ASTC_2D_10X8_UNORM,
     PixelFormat::ASTC_2D_10X8_SRGB,
@@ -229,7 +226,6 @@ constexpr Table MakeViewTable() {
     EnableRange(view, VIEW_CLASS_ASTC_6x6_RGBA);
     EnableRange(view, VIEW_CLASS_ASTC_8x5_RGBA);
     EnableRange(view, VIEW_CLASS_ASTC_8x8_RGBA);
-    EnableRange(view, VIEW_CLASS_ASTC_10x6_RGBA);
     EnableRange(view, VIEW_CLASS_ASTC_10x8_RGBA);
     EnableRange(view, VIEW_CLASS_ASTC_10x10_RGBA);
     EnableRange(view, VIEW_CLASS_ASTC_12x12_RGBA);

src/video_core/renderer_opengl/maxwell_to_gl.h

@@ -98,7 +98,6 @@ constexpr std::array<FormatTuple, VideoCore::Surface::MaxPixelFormat> FORMAT_TAB
     {GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR},                       // ASTC_2D_10X8_SRGB
     {GL_COMPRESSED_RGBA_ASTC_6x6_KHR},                                // ASTC_2D_6X6_UNORM
     {GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR},                        // ASTC_2D_6X6_SRGB
-    {GL_COMPRESSED_RGBA_ASTC_10x6_KHR},                               // ASTC_2D_10X6_UNORM
     {GL_COMPRESSED_RGBA_ASTC_10x10_KHR},                              // ASTC_2D_10X10_UNORM
     {GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR},                      // ASTC_2D_10X10_SRGB
     {GL_COMPRESSED_RGBA_ASTC_12x12_KHR},                              // ASTC_2D_12X12_UNORM

src/video_core/renderer_vulkan/maxwell_to_vk.cpp

@@ -195,7 +195,6 @@ struct FormatTuple {
     {VK_FORMAT_ASTC_10x8_SRGB_BLOCK},                          // ASTC_2D_10X8_SRGB
     {VK_FORMAT_ASTC_6x6_UNORM_BLOCK},                          // ASTC_2D_6X6_UNORM
     {VK_FORMAT_ASTC_6x6_SRGB_BLOCK},                           // ASTC_2D_6X6_SRGB
-    {VK_FORMAT_ASTC_10x6_UNORM_BLOCK},                         // ASTC_2D_10X6_UNORM
     {VK_FORMAT_ASTC_10x10_UNORM_BLOCK},                        // ASTC_2D_10X10_UNORM
     {VK_FORMAT_ASTC_10x10_SRGB_BLOCK},                         // ASTC_2D_10X10_SRGB
     {VK_FORMAT_ASTC_12x12_UNORM_BLOCK},                        // ASTC_2D_12X12_UNORM

src/video_core/surface.cpp

@@ -247,7 +247,6 @@ bool IsPixelFormatASTC(PixelFormat format) {
     case PixelFormat::ASTC_2D_10X8_SRGB:
     case PixelFormat::ASTC_2D_6X6_UNORM:
     case PixelFormat::ASTC_2D_6X6_SRGB:
-    case PixelFormat::ASTC_2D_10X6_UNORM:
     case PixelFormat::ASTC_2D_10X10_UNORM:
     case PixelFormat::ASTC_2D_10X10_SRGB:
     case PixelFormat::ASTC_2D_12X12_UNORM:

src/video_core/surface.h

@@ -94,7 +94,6 @@ enum class PixelFormat {
     ASTC_2D_10X8_SRGB,
     ASTC_2D_6X6_UNORM,
     ASTC_2D_6X6_SRGB,
-    ASTC_2D_10X6_UNORM,
     ASTC_2D_10X10_UNORM,
     ASTC_2D_10X10_SRGB,
     ASTC_2D_12X12_UNORM,
@@ -228,7 +227,6 @@ constexpr std::array<u8, MaxPixelFormat> BLOCK_WIDTH_TABLE = {{
     10, // ASTC_2D_10X8_SRGB
     6,  // ASTC_2D_6X6_UNORM
     6,  // ASTC_2D_6X6_SRGB
-    10, // ASTC_2D_10X6_UNORM
     10, // ASTC_2D_10X10_UNORM
     10, // ASTC_2D_10X10_SRGB
     12, // ASTC_2D_12X12_UNORM
@@ -331,7 +329,6 @@ constexpr std::array<u8, MaxPixelFormat> BLOCK_HEIGHT_TABLE = {{
     8,  // ASTC_2D_10X8_SRGB
     6,  // ASTC_2D_6X6_UNORM
     6,  // ASTC_2D_6X6_SRGB
-    6,  // ASTC_2D_10X6_UNORM
     10, // ASTC_2D_10X10_UNORM
     10, // ASTC_2D_10X10_SRGB
     12, // ASTC_2D_12X12_UNORM
@@ -434,7 +431,6 @@ constexpr std::array<u8, MaxPixelFormat> BITS_PER_BLOCK_TABLE = {{
     128, // ASTC_2D_10X8_SRGB
     128, // ASTC_2D_6X6_UNORM
     128, // ASTC_2D_6X6_SRGB
-    128, // ASTC_2D_10X6_UNORM
     128, // ASTC_2D_10X10_UNORM
     128, // ASTC_2D_10X10_SRGB
     128, // ASTC_2D_12X12_UNORM

src/video_core/texture_cache/format_lookup_table.cpp

@@ -206,8 +206,6 @@ PixelFormat PixelFormatFromTextureInfo(TextureFormat format, ComponentType red,
         return PixelFormat::ASTC_2D_6X6_UNORM;
     case Hash(TextureFormat::ASTC_2D_6X6, UNORM, SRGB):
         return PixelFormat::ASTC_2D_6X6_SRGB;
-    case Hash(TextureFormat::ASTC_2D_10X6, UNORM, LINEAR):
-        return PixelFormat::ASTC_2D_10X6_UNORM;
     case Hash(TextureFormat::ASTC_2D_10X10, UNORM, LINEAR):
         return PixelFormat::ASTC_2D_10X10_UNORM;
     case Hash(TextureFormat::ASTC_2D_10X10, UNORM, SRGB):

src/video_core/texture_cache/formatter.h

@@ -175,8 +175,6 @@ struct fmt::formatter<VideoCore::Surface::PixelFormat> : fmt::formatter<fmt::str
                 return "ASTC_2D_6X6_UNORM";
             case PixelFormat::ASTC_2D_6X6_SRGB:
                 return "ASTC_2D_6X6_SRGB";
-            case PixelFormat::ASTC_2D_10X6_UNORM:
-                return "ASTC_2D_10X6_UNORM";
             case PixelFormat::ASTC_2D_10X10_UNORM:
                 return "ASTC_2D_10X10_UNORM";
             case PixelFormat::ASTC_2D_10X10_SRGB:

src/yuzu/CMakeLists.txt

@@ -30,6 +30,8 @@ add_executable(yuzu
     applets/qt_web_browser_scripts.h
     bootmanager.cpp
     bootmanager.h
+    check_vulkan.cpp
+    check_vulkan.h
     compatdb.ui
     compatibility_list.cpp
     compatibility_list.h
@@ -153,8 +155,6 @@ add_executable(yuzu
     main.cpp
     main.h
     main.ui
-    startup_checks.cpp
-    startup_checks.h
     uisettings.cpp
     uisettings.h
     util/controller_navigation.cpp

src/yuzu/check_vulkan.cpp

@@ -0,0 +1,53 @@
+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "video_core/vulkan_common/vulkan_wrapper.h"
+
+#include <filesystem>
+#include <fstream>
+#include "common/fs/fs.h"
+#include "common/fs/path_util.h"
+#include "common/logging/log.h"
+#include "video_core/vulkan_common/vulkan_instance.h"
+#include "video_core/vulkan_common/vulkan_library.h"
+#include "yuzu/check_vulkan.h"
+#include "yuzu/uisettings.h"
+
+constexpr char TEMP_FILE_NAME[] = "vulkan_check";
+
+bool CheckVulkan() {
+    if (UISettings::values.has_broken_vulkan) {
+        return true;
+    }
+
+    LOG_DEBUG(Frontend, "Checking presence of Vulkan");
+
+    const auto fs_config_loc = Common::FS::GetYuzuPath(Common::FS::YuzuPath::ConfigDir);
+    const auto temp_file_loc = fs_config_loc / TEMP_FILE_NAME;
+
+    if (std::filesystem::exists(temp_file_loc)) {
+        LOG_WARNING(Frontend, "Detected recovery from previous failed Vulkan initialization");
+
+        UISettings::values.has_broken_vulkan = true;
+        std::filesystem::remove(temp_file_loc);
+        return false;
+    }
+
+    std::ofstream temp_file_handle(temp_file_loc);
+    temp_file_handle.close();
+
+    try {
+        Vulkan::vk::InstanceDispatch dld;
+        const Common::DynamicLibrary library = Vulkan::OpenLibrary();
+        const Vulkan::vk::Instance instance =
+            Vulkan::CreateInstance(library, dld, VK_API_VERSION_1_0);
+
+    } catch (const Vulkan::vk::Exception& exception) {
+        LOG_ERROR(Frontend, "Failed to initialize Vulkan: {}", exception.what());
+        // Don't set has_broken_vulkan to true here: we care when loading Vulkan crashes the
+        // application, not when we can handle it.
+    }
+
+    std::filesystem::remove(temp_file_loc);
+    return true;
+}

src/yuzu/check_vulkan.h

@@ -0,0 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+bool CheckVulkan();

src/yuzu/configuration/config.cpp

@@ -682,6 +682,12 @@ void Config::ReadRendererValues() {
     ReadGlobalSetting(Settings::values.bg_green);
     ReadGlobalSetting(Settings::values.bg_blue);
 
+    if (!global && UISettings::values.has_broken_vulkan &&
+        Settings::values.renderer_backend.GetValue() == Settings::RendererBackend::Vulkan &&
+        !Settings::values.renderer_backend.UsingGlobal()) {
+        Settings::values.renderer_backend.SetGlobal(true);
+    }
+
     if (global) {
         ReadBasicSetting(Settings::values.renderer_debug);
         ReadBasicSetting(Settings::values.renderer_shader_feedback);
@@ -801,6 +807,7 @@ void Config::ReadUIValues() {
     ReadBasicSetting(UISettings::values.pause_when_in_background);
     ReadBasicSetting(UISettings::values.mute_when_in_background);
     ReadBasicSetting(UISettings::values.hide_mouse);
+    ReadBasicSetting(UISettings::values.has_broken_vulkan);
     ReadBasicSetting(UISettings::values.disable_web_applet);
 
     qt_config->endGroup();
@@ -1348,6 +1355,7 @@ void Config::SaveUIValues() {
     WriteBasicSetting(UISettings::values.pause_when_in_background);
     WriteBasicSetting(UISettings::values.mute_when_in_background);
     WriteBasicSetting(UISettings::values.hide_mouse);
+    WriteBasicSetting(UISettings::values.has_broken_vulkan);
     WriteBasicSetting(UISettings::values.disable_web_applet);
 
     qt_config->endGroup();

src/yuzu/configuration/configure_graphics.cpp

@@ -58,9 +58,24 @@ ConfigureGraphics::ConfigureGraphics(const Core::System& system_, QWidget* paren
         UpdateBackgroundColorButton(new_bg_color);
     });
 
-    ui->api->setEnabled(!UISettings::values.has_broken_vulkan);
-    ui->api_widget->setEnabled(!UISettings::values.has_broken_vulkan ||
-                               Settings::IsConfiguringGlobal());
+    connect(ui->button_check_vulkan, &QAbstractButton::clicked, this, [this] {
+        UISettings::values.has_broken_vulkan = false;
+
+        if (RetrieveVulkanDevices()) {
+            ui->api->setEnabled(true);
+            ui->button_check_vulkan->hide();
+
+            for (const auto& device : vulkan_devices) {
+                ui->device->addItem(device);
+            }
+        } else {
+            UISettings::values.has_broken_vulkan = true;
+        }
+    });
+
+    ui->api->setEnabled(!UISettings::values.has_broken_vulkan.GetValue());
+    ui->button_check_vulkan->setVisible(UISettings::values.has_broken_vulkan.GetValue());
+
     ui->bg_label->setVisible(Settings::IsConfiguringGlobal());
     ui->bg_combobox->setVisible(!Settings::IsConfiguringGlobal());
 }
@@ -300,7 +315,7 @@ void ConfigureGraphics::UpdateAPILayout() {
         vulkan_device = Settings::values.vulkan_device.GetValue(true);
         shader_backend = Settings::values.shader_backend.GetValue(true);
         ui->device_widget->setEnabled(false);
-        ui->backend_widget->setEnabled(false);
+        ui->backend_widget->setEnabled(UISettings::values.has_broken_vulkan.GetValue());
     } else {
         vulkan_device = Settings::values.vulkan_device.GetValue();
         shader_backend = Settings::values.shader_backend.GetValue();
@@ -322,9 +337,9 @@ void ConfigureGraphics::UpdateAPILayout() {
     }
 }
 
-void ConfigureGraphics::RetrieveVulkanDevices() try {
+bool ConfigureGraphics::RetrieveVulkanDevices() try {
     if (UISettings::values.has_broken_vulkan) {
-        return;
+        return false;
     }
 
     using namespace Vulkan;
@@ -340,8 +355,11 @@ void ConfigureGraphics::RetrieveVulkanDevices() try {
         const std::string name = vk::PhysicalDevice(device, dld).GetProperties().deviceName;
         vulkan_devices.push_back(QString::fromStdString(name));
     }
+
+    return true;
 } catch (const Vulkan::vk::Exception& exception) {
     LOG_ERROR(Frontend, "Failed to enumerate devices with error: {}", exception.what());
+    return false;
 }
 
 Settings::RendererBackend ConfigureGraphics::GetCurrentGraphicsBackend() const {
@@ -422,4 +440,11 @@ void ConfigureGraphics::SetupPerGameUI() {
         ui->api, static_cast<int>(Settings::values.renderer_backend.GetValue(true)));
     ConfigurationShared::InsertGlobalItem(
         ui->nvdec_emulation, static_cast<int>(Settings::values.nvdec_emulation.GetValue(true)));
+
+    if (UISettings::values.has_broken_vulkan) {
+        ui->backend_widget->setEnabled(true);
+        ConfigurationShared::SetColoredComboBox(
+            ui->backend, ui->backend_widget,
+            static_cast<int>(Settings::values.shader_backend.GetValue(true)));
+    }
 }

src/yuzu/configuration/configure_graphics.h

@@ -41,7 +41,7 @@ private:
     void UpdateDeviceSelection(int device);
     void UpdateShaderBackendSelection(int backend);
 
-    void RetrieveVulkanDevices();
+    bool RetrieveVulkanDevices();
 
     void SetupPerGameUI();
 

src/yuzu/configuration/configure_graphics.ui

@@ -6,7 +6,7 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>541</width>
+    <width>471</width>
     <height>759</height>
    </rect>
   </property>
@@ -574,6 +574,13 @@
      </property>
     </spacer>
    </item>
+   <item>
+    <widget class="QPushButton" name="button_check_vulkan">
+     <property name="text">
+      <string>Check for Working Vulkan</string>
+     </property>
+    </widget>
+   </item>
   </layout>
  </widget>
  <resources/>

src/yuzu/main.cpp

@@ -115,6 +115,7 @@ static FileSys::VirtualFile VfsDirectoryCreateFileWrapper(const FileSys::Virtual
 #include "video_core/shader_notify.h"
 #include "yuzu/about_dialog.h"
 #include "yuzu/bootmanager.h"
+#include "yuzu/check_vulkan.h"
 #include "yuzu/compatdb.h"
 #include "yuzu/compatibility_list.h"
 #include "yuzu/configuration/config.h"
@@ -130,7 +131,6 @@ static FileSys::VirtualFile VfsDirectoryCreateFileWrapper(const FileSys::Virtual
 #include "yuzu/install_dialog.h"
 #include "yuzu/loading_screen.h"
 #include "yuzu/main.h"
-#include "yuzu/startup_checks.h"
 #include "yuzu/uisettings.h"
 
 using namespace Common::Literals;
@@ -252,7 +252,7 @@ static QString PrettyProductName() {
     return QSysInfo::prettyProductName();
 }
 
-GMainWindow::GMainWindow(bool has_broken_vulkan)
+GMainWindow::GMainWindow()
     : ui{std::make_unique<Ui::MainWindow>()}, system{std::make_unique<Core::System>()},
       input_subsystem{std::make_shared<InputCommon::InputSubsystem>()},
       config{std::make_unique<Config>(*system)},
@@ -352,15 +352,17 @@ GMainWindow::GMainWindow(bool has_broken_vulkan)
 
     MigrateConfigFiles();
 
-    if (has_broken_vulkan) {
-        UISettings::values.has_broken_vulkan = true;
-
-        QMessageBox::warning(this, tr("Broken Vulkan Installation Detected"),
-                             tr("Vulkan initialization failed during boot.<br><br>Click <a "
-                                "href='https://yuzu-emu.org/wiki/faq/"
-                                "#yuzu-starts-with-the-error-broken-vulkan-installation-detected'>"
-                                "here for instructions to fix the issue</a>."));
+    if (!CheckVulkan()) {
+        config->Save();
 
+        QMessageBox::warning(
+            this, tr("Broken Vulkan Installation Detected"),
+            tr("Vulkan initialization failed on the previous boot.<br><br>Click <a "
+               "href='https://yuzu-emu.org/wiki/faq/"
+               "#yuzu-starts-with-the-error-broken-vulkan-installation-detected'>here for "
+               "instructions to fix the issue</a>."));
+    }
+    if (UISettings::values.has_broken_vulkan) {
         Settings::values.renderer_backend = Settings::RendererBackend::OpenGL;
 
         renderer_status_button->setDisabled(true);
@@ -3851,11 +3853,6 @@ void GMainWindow::SetDiscordEnabled([[maybe_unused]] bool state) {
 #endif
 
 int main(int argc, char* argv[]) {
-    bool has_broken_vulkan = false;
-    if (StartupChecks(argv[0], &has_broken_vulkan)) {
-        return 0;
-    }
-
     Common::DetachedTasks detached_tasks;
     MicroProfileOnThreadCreate("Frontend");
     SCOPE_EXIT({ MicroProfileShutdown(); });
@@ -3895,7 +3892,7 @@ int main(int argc, char* argv[]) {
     // generating shaders
     setlocale(LC_ALL, "C");
 
-    GMainWindow main_window{has_broken_vulkan};
+    GMainWindow main_window{};
     // After settings have been loaded by GMainWindow, apply the filter
     main_window.show();
 

src/yuzu/main.h

@@ -118,7 +118,7 @@ class GMainWindow : public QMainWindow {
 public:
     void filterBarSetChecked(bool state);
     void UpdateUITheme();
-    explicit GMainWindow(bool has_broken_vulkan);
+    explicit GMainWindow();
     ~GMainWindow() override;
 
     bool DropAction(QDropEvent* event);

src/yuzu/startup_checks.cpp

@@ -1,136 +0,0 @@
-// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-#include "video_core/vulkan_common/vulkan_wrapper.h"
-
-#ifdef _WIN32
-#include <cstring> // for memset, strncpy
-#include <processthreadsapi.h>
-#include <windows.h>
-#elif defined(YUZU_UNIX)
-#include <errno.h>
-#include <sys/wait.h>
-#include <unistd.h>
-#endif
-
-#include <cstdio>
-#include "video_core/vulkan_common/vulkan_instance.h"
-#include "video_core/vulkan_common/vulkan_library.h"
-#include "yuzu/startup_checks.h"
-
-void CheckVulkan() {
-    // Just start the Vulkan loader, this will crash if something is wrong
-    try {
-        Vulkan::vk::InstanceDispatch dld;
-        const Common::DynamicLibrary library = Vulkan::OpenLibrary();
-        const Vulkan::vk::Instance instance =
-            Vulkan::CreateInstance(library, dld, VK_API_VERSION_1_0);
-
-    } catch (const Vulkan::vk::Exception& exception) {
-        std::fprintf(stderr, "Failed to initialize Vulkan: %s\n", exception.what());
-    }
-}
-
-bool StartupChecks(const char* arg0, bool* has_broken_vulkan) {
-#ifdef _WIN32
-    // Check environment variable to see if we are the child
-    char variable_contents[8];
-    const DWORD startup_check_var =
-        GetEnvironmentVariableA(STARTUP_CHECK_ENV_VAR, variable_contents, 8);
-    if (startup_check_var > 0 && std::strncmp(variable_contents, "ON", 8) == 0) {
-        CheckVulkan();
-        return true;
-    }
-
-    // Set the startup variable for child processes
-    const bool env_var_set = SetEnvironmentVariableA(STARTUP_CHECK_ENV_VAR, "ON");
-    if (!env_var_set) {
-        std::fprintf(stderr, "SetEnvironmentVariableA failed to set %s with error %d\n",
-                     STARTUP_CHECK_ENV_VAR, GetLastError());
-        return false;
-    }
-
-    PROCESS_INFORMATION process_info;
-    std::memset(&process_info, '\0', sizeof(process_info));
-
-    if (!SpawnChild(arg0, &process_info)) {
-        return false;
-    }
-
-    // Wait until the processs exits and get exit code from it
-    WaitForSingleObject(process_info.hProcess, INFINITE);
-    DWORD exit_code = STILL_ACTIVE;
-    const int err = GetExitCodeProcess(process_info.hProcess, &exit_code);
-    if (err == 0) {
-        std::fprintf(stderr, "GetExitCodeProcess failed with error %d\n", GetLastError());
-    }
-
-    // Vulkan is broken if the child crashed (return value is not zero)
-    *has_broken_vulkan = (exit_code != 0);
-
-    if (CloseHandle(process_info.hProcess) == 0) {
-        std::fprintf(stderr, "CloseHandle failed with error %d\n", GetLastError());
-    }
-    if (CloseHandle(process_info.hThread) == 0) {
-        std::fprintf(stderr, "CloseHandle failed with error %d\n", GetLastError());
-    }
-
-    if (!SetEnvironmentVariableA(STARTUP_CHECK_ENV_VAR, nullptr)) {
-        std::fprintf(stderr, "SetEnvironmentVariableA failed to clear %s with error %d\n",
-                     STARTUP_CHECK_ENV_VAR, GetLastError());
-    }
-
-#elif defined(YUZU_UNIX)
-    const pid_t pid = fork();
-    if (pid == 0) {
-        CheckVulkan();
-        return true;
-    } else if (pid == -1) {
-        const int err = errno;
-        std::fprintf(stderr, "fork failed with error %d\n", err);
-        return false;
-    }
-
-    // Get exit code from child process
-    int status;
-    const int r_val = wait(&status);
-    if (r_val == -1) {
-        const int err = errno;
-        std::fprintf(stderr, "wait failed with error %d\n", err);
-        return false;
-    }
-    // Vulkan is broken if the child crashed (return value is not zero)
-    *has_broken_vulkan = (status != 0);
-#endif
-    return false;
-}
-
-#ifdef _WIN32
-bool SpawnChild(const char* arg0, PROCESS_INFORMATION* pi) {
-    STARTUPINFOA startup_info;
-
-    std::memset(&startup_info, '\0', sizeof(startup_info));
-    startup_info.cb = sizeof(startup_info);
-
-    char p_name[255];
-    std::strncpy(p_name, arg0, 255);
-
-    const bool process_created = CreateProcessA(nullptr,       // lpApplicationName
-                                                p_name,        // lpCommandLine
-                                                nullptr,       // lpProcessAttributes
-                                                nullptr,       // lpThreadAttributes
-                                                false,         // bInheritHandles
-                                                0,             // dwCreationFlags
-                                                nullptr,       // lpEnvironment
-                                                nullptr,       // lpCurrentDirectory
-                                                &startup_info, // lpStartupInfo
-                                                pi             // lpProcessInformation
-    );
-    if (!process_created) {
-        std::fprintf(stderr, "CreateProcessA failed with error %d\n", GetLastError());
-        return false;
-    }
-
-    return true;
-}
-#endif

src/yuzu/startup_checks.h

@@ -1,17 +0,0 @@
-// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-#pragma once
-
-#ifdef _WIN32
-#include <windows.h>
-#endif
-
-constexpr char STARTUP_CHECK_ENV_VAR[] = "YUZU_DO_STARTUP_CHECKS";
-
-void CheckVulkan();
-bool StartupChecks(const char* arg0, bool* has_broken_vulkan);
-
-#ifdef _WIN32
-bool SpawnChild(const char* arg0, PROCESS_INFORMATION* pi);
-#endif

src/yuzu/uisettings.h

@@ -78,7 +78,7 @@ struct Values {
     Settings::Setting<bool> mute_when_in_background{false, "muteWhenInBackground"};
     Settings::Setting<bool> hide_mouse{true, "hideInactiveMouse"};
     // Set when Vulkan is known to crash the application
-    bool has_broken_vulkan = false;
+    Settings::Setting<bool> has_broken_vulkan{false, "has_broken_vulkan"};
 
     Settings::Setting<bool> select_user_on_boot{false, "select_user_on_boot"};