"Merge Tagged PR 1012"

src/common/assert.h

@@ -28,18 +28,14 @@ __declspec(noinline, noreturn)
 }
 
 #define ASSERT(_a_)                                                                                \
-    do                                                                                             \
-        if (!(_a_)) {                                                                              \
-            assert_noinline_call([] { LOG_CRITICAL(Debug, "Assertion Failed!"); });                \
-        }                                                                                          \
-    while (0)
+    if (!(_a_)) {                                                                                  \
+        LOG_CRITICAL(Debug, "Assertion Failed!");                                                  \
+    }
 
 #define ASSERT_MSG(_a_, ...)                                                                       \
-    do                                                                                             \
-        if (!(_a_)) {                                                                              \
-            assert_noinline_call([&] { LOG_CRITICAL(Debug, "Assertion Failed!\n" __VA_ARGS__); }); \
-        }                                                                                          \
-    while (0)
+    if (!(_a_)) {                                                                                  \
+        LOG_CRITICAL(Debug, "Assertion Failed! " __VA_ARGS__);                                     \
+    }
 
 #define UNREACHABLE() ASSERT_MSG(false, "Unreachable code!")
 #define UNREACHABLE_MSG(...) ASSERT_MSG(false, __VA_ARGS__)

src/core/core.cpp

@@ -252,6 +252,8 @@ struct System::Impl {
         is_powered_on = false;
         exit_lock = false;
 
+        gpu_core->WaitIdle();
+
         // Shutdown emulation session
         renderer.reset();
         GDBStub::Shutdown();

src/core/hle/kernel/transfer_memory.cpp

@@ -23,6 +23,8 @@ SharedPtr<TransferMemory> TransferMemory::Create(KernelCore& kernel, VAddr base_
     transfer_memory->owner_permissions = permissions;
     transfer_memory->owner_process = kernel.CurrentProcess();
 
+    transfer_memory->MapMemory(base_address, size, permissions);
+
     return transfer_memory;
 }
 

src/core/hle/kernel/wait_object.cpp

@@ -48,17 +48,8 @@ SharedPtr<Thread> WaitObject::GetHighestPriorityReadyThread() const {
         if (ShouldWait(thread.get()))
             continue;
 
-        // A thread is ready to run if it's either in ThreadStatus::WaitSynch
-        // and the rest of the objects it is waiting on are ready.
-        bool ready_to_run = true;
-        if (thread_status == ThreadStatus::WaitSynch) {
-            ready_to_run = thread->AllWaitObjectsReady();
-        }
-
-        if (ready_to_run) {
-            candidate = thread.get();
-            candidate_priority = thread->GetPriority();
-        }
+        candidate = thread.get();
+        candidate_priority = thread->GetPriority();
     }
 
     return candidate;

src/core/hle/service/am/am.cpp

@@ -847,17 +847,16 @@ private:
     void PopInteractiveOutData(Kernel::HLERequestContext& ctx) {
         LOG_DEBUG(Service_AM, "called");
 
-        IPC::ResponseBuilder rb{ctx, 2, 0, 1};
-
         const auto storage = applet->GetBroker().PopInteractiveDataToGame();
         if (storage == nullptr) {
             LOG_ERROR(Service_AM,
                       "storage is a nullptr. There is no data in the current interactive channel");
-
+            IPC::ResponseBuilder rb{ctx, 2};
             rb.Push(ERR_NO_DATA_IN_CHANNEL);
             return;
         }
 
+        IPC::ResponseBuilder rb{ctx, 2, 0, 1};
         rb.Push(RESULT_SUCCESS);
         rb.PushIpcInterface<IStorage>(std::move(*storage));
     }

src/core/hle/service/am/applets/applets.cpp

@@ -27,9 +27,9 @@ AppletDataBroker::AppletDataBroker(Kernel::KernelCore& kernel) {
     state_changed_event = Kernel::WritableEvent::CreateEventPair(
         kernel, Kernel::ResetType::Manual, "ILibraryAppletAccessor:StateChangedEvent");
     pop_out_data_event = Kernel::WritableEvent::CreateEventPair(
-        kernel, Kernel::ResetType::Manual, "ILibraryAppletAccessor:PopDataOutEvent");
+        kernel, Kernel::ResetType::Automatic, "ILibraryAppletAccessor:PopDataOutEvent");
     pop_interactive_out_data_event = Kernel::WritableEvent::CreateEventPair(
-        kernel, Kernel::ResetType::Manual, "ILibraryAppletAccessor:PopInteractiveDataOutEvent");
+        kernel, Kernel::ResetType::Automatic, "ILibraryAppletAccessor:PopInteractiveDataOutEvent");
 }
 
 AppletDataBroker::~AppletDataBroker() = default;

src/core/hle/service/am/applets/software_keyboard.cpp

@@ -91,6 +91,7 @@ void SoftwareKeyboard::ExecuteInteractive() {
 
     if (status == INTERACTIVE_STATUS_OK) {
         complete = true;
+        broker.SignalStateChanged();
     } else {
         std::array<char16_t, SWKBD_OUTPUT_INTERACTIVE_BUFFER_SIZE / 2 - 2> string;
         std::memcpy(string.data(), data.data() + 4, string.size() * 2);

src/core/hle/service/filesystem/filesystem.cpp

@@ -40,7 +40,10 @@ static FileSys::VirtualDir GetDirectoryRelativeWrapped(FileSys::VirtualDir base,
     if (dir_name.empty() || dir_name == "." || dir_name == "/" || dir_name == "\\")
         return base;
 
-    return base->GetDirectoryRelative(dir_name);
+    const auto res = base->GetDirectoryRelative(dir_name);
+    if (res == nullptr)
+        return base->CreateDirectoryRelative(dir_name);
+    return res;
 }
 
 VfsDirectoryServiceWrapper::VfsDirectoryServiceWrapper(FileSys::VirtualDir backing_)

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

@@ -203,13 +203,13 @@ Hid::Hid(Core::System& system) : ServiceFramework("hid"), system(system) {
         {120, &Hid::SetNpadJoyHoldType, "SetNpadJoyHoldType"},
         {121, &Hid::GetNpadJoyHoldType, "GetNpadJoyHoldType"},
         {122, &Hid::SetNpadJoyAssignmentModeSingleByDefault, "SetNpadJoyAssignmentModeSingleByDefault"},
-        {123, nullptr, "SetNpadJoyAssignmentModeSingleByDefault"},
+        {123, &Hid::SetNpadJoyAssignmentModeSingle, "SetNpadJoyAssignmentModeSingle"},
         {124, &Hid::SetNpadJoyAssignmentModeDual, "SetNpadJoyAssignmentModeDual"},
         {125, &Hid::MergeSingleJoyAsDualJoy, "MergeSingleJoyAsDualJoy"},
         {126, &Hid::StartLrAssignmentMode, "StartLrAssignmentMode"},
         {127, &Hid::StopLrAssignmentMode, "StopLrAssignmentMode"},
         {128, &Hid::SetNpadHandheldActivationMode, "SetNpadHandheldActivationMode"},
-        {129, nullptr, "GetNpadHandheldActivationMode"},
+        {129, &Hid::GetNpadHandheldActivationMode, "GetNpadHandheldActivationMode"},
         {130, &Hid::SwapNpadAssignment, "SwapNpadAssignment"},
         {131, nullptr, "IsUnintendedHomeButtonInputProtectionEnabled"},
         {132, nullptr, "EnableUnintendedHomeButtonInputProtection"},
@@ -546,10 +546,126 @@ void Hid::SetNpadJoyAssignmentModeSingleByDefault(Kernel::HLERequestContext& ctx
     LOG_WARNING(Service_HID, "(STUBBED) called, npad_id={}, applet_resource_user_id={}", npad_id,
                 applet_resource_user_id);
 
+    auto& controller = applet_resource->GetController<Controller_NPad>(HidController::NPad);
+    controller.SetNpadMode(npad_id, Controller_NPad::NPadAssignments::Single);
+
     IPC::ResponseBuilder rb{ctx, 2};
     rb.Push(RESULT_SUCCESS);
 }
 
+void Hid::SetNpadJoyAssignmentModeSingle(Kernel::HLERequestContext& ctx) {
+    // TODO: Check the differences between this and SetNpadJoyAssignmentModeSingleByDefault
+    IPC::RequestParser rp{ctx};
+    const auto npad_id{rp.Pop<u32>()};
+    const auto applet_resource_user_id{rp.Pop<u64>()};
+    const auto npad_joy_device_type{rp.Pop<u64>()};
+
+    LOG_WARNING(Service_HID,
+                "(STUBBED) called, npad_id={}, applet_resource_user_id={}, npad_joy_device_type={}",
+                npad_id, applet_resource_user_id, npad_joy_device_type);
+
+    auto& controller = applet_resource->GetController<Controller_NPad>(HidController::NPad);
+    controller.SetNpadMode(npad_id, Controller_NPad::NPadAssignments::Single);
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(RESULT_SUCCESS);
+}
+
+void Hid::SetNpadJoyAssignmentModeDual(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+    const auto npad_id{rp.Pop<u32>()};
+    const auto applet_resource_user_id{rp.Pop<u64>()};
+
+    LOG_DEBUG(Service_HID, "called, npad_id={}, applet_resource_user_id={}", npad_id,
+              applet_resource_user_id);
+
+    auto& controller = applet_resource->GetController<Controller_NPad>(HidController::NPad);
+    controller.SetNpadMode(npad_id, Controller_NPad::NPadAssignments::Dual);
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(RESULT_SUCCESS);
+}
+
+void Hid::MergeSingleJoyAsDualJoy(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+    const auto unknown_1{rp.Pop<u32>()};
+    const auto unknown_2{rp.Pop<u32>()};
+    const auto applet_resource_user_id{rp.Pop<u64>()};
+
+    LOG_WARNING(Service_HID,
+                "(STUBBED) called, unknown_1={}, unknown_2={}, applet_resource_user_id={}",
+                unknown_1, unknown_2, applet_resource_user_id);
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(RESULT_SUCCESS);
+}
+
+void Hid::StartLrAssignmentMode(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+    const auto applet_resource_user_id{rp.Pop<u64>()};
+
+    LOG_DEBUG(Service_HID, "called, applet_resource_user_id={}", applet_resource_user_id);
+    auto& controller = applet_resource->GetController<Controller_NPad>(HidController::NPad);
+    controller.StartLRAssignmentMode();
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(RESULT_SUCCESS);
+}
+
+void Hid::StopLrAssignmentMode(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+    const auto applet_resource_user_id{rp.Pop<u64>()};
+
+    LOG_DEBUG(Service_HID, "called, applet_resource_user_id={}", applet_resource_user_id);
+    auto& controller = applet_resource->GetController<Controller_NPad>(HidController::NPad);
+    controller.StopLRAssignmentMode();
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(RESULT_SUCCESS);
+}
+
+void Hid::SetNpadHandheldActivationMode(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+    const auto applet_resource_user_id{rp.Pop<u64>()};
+    const auto mode{rp.Pop<u64>()};
+
+    LOG_WARNING(Service_HID, "(STUBBED) called, applet_resource_user_id={}, mode={}",
+                applet_resource_user_id, mode);
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(RESULT_SUCCESS);
+}
+
+void Hid::GetNpadHandheldActivationMode(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+    const auto applet_resource_user_id{rp.Pop<u64>()};
+
+    LOG_WARNING(Service_HID, "(STUBBED) called, applet_resource_user_id={}",
+                applet_resource_user_id);
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(RESULT_SUCCESS);
+}
+
+void Hid::SwapNpadAssignment(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+    const auto npad_1{rp.Pop<u32>()};
+    const auto npad_2{rp.Pop<u32>()};
+    const auto applet_resource_user_id{rp.Pop<u64>()};
+
+    LOG_DEBUG(Service_HID, "called, applet_resource_user_id={}, npad_1={}, npad_2={}",
+              applet_resource_user_id, npad_1, npad_2);
+
+    auto& controller = applet_resource->GetController<Controller_NPad>(HidController::NPad);
+    IPC::ResponseBuilder rb{ctx, 2};
+    if (controller.SwapNpadAssignment(npad_1, npad_2)) {
+        rb.Push(RESULT_SUCCESS);
+    } else {
+        LOG_ERROR(Service_HID, "Npads are not connected!");
+        rb.Push(ERR_NPAD_NOT_CONNECTED);
+    }
+}
+
 void Hid::BeginPermitVibrationSession(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
     const auto applet_resource_user_id{rp.Pop<u64>()};
@@ -624,47 +740,6 @@ void Hid::GetActualVibrationValue(Kernel::HLERequestContext& ctx) {
         applet_resource->GetController<Controller_NPad>(HidController::NPad).GetLastVibration());
 }
 
-void Hid::SetNpadJoyAssignmentModeDual(Kernel::HLERequestContext& ctx) {
-    IPC::RequestParser rp{ctx};
-    const auto npad_id{rp.Pop<u32>()};
-    const auto applet_resource_user_id{rp.Pop<u64>()};
-
-    LOG_DEBUG(Service_HID, "called, npad_id={}, applet_resource_user_id={}", npad_id,
-              applet_resource_user_id);
-
-    auto& controller = applet_resource->GetController<Controller_NPad>(HidController::NPad);
-    controller.SetNpadMode(npad_id, Controller_NPad::NPadAssignments::Dual);
-
-    IPC::ResponseBuilder rb{ctx, 2};
-    rb.Push(RESULT_SUCCESS);
-}
-
-void Hid::MergeSingleJoyAsDualJoy(Kernel::HLERequestContext& ctx) {
-    IPC::RequestParser rp{ctx};
-    const auto unknown_1{rp.Pop<u32>()};
-    const auto unknown_2{rp.Pop<u32>()};
-    const auto applet_resource_user_id{rp.Pop<u64>()};
-
-    LOG_WARNING(Service_HID,
-                "(STUBBED) called, unknown_1={}, unknown_2={}, applet_resource_user_id={}",
-                unknown_1, unknown_2, applet_resource_user_id);
-
-    IPC::ResponseBuilder rb{ctx, 2};
-    rb.Push(RESULT_SUCCESS);
-}
-
-void Hid::SetNpadHandheldActivationMode(Kernel::HLERequestContext& ctx) {
-    IPC::RequestParser rp{ctx};
-    const auto applet_resource_user_id{rp.Pop<u64>()};
-    const auto mode{rp.Pop<u64>()};
-
-    LOG_WARNING(Service_HID, "(STUBBED) called, applet_resource_user_id={}, mode={}",
-                applet_resource_user_id, mode);
-
-    IPC::ResponseBuilder rb{ctx, 2};
-    rb.Push(RESULT_SUCCESS);
-}
-
 void Hid::GetVibrationDeviceInfo(Kernel::HLERequestContext& ctx) {
     LOG_DEBUG(Service_HID, "called");
 
@@ -758,49 +833,6 @@ void Hid::SetPalmaBoostMode(Kernel::HLERequestContext& ctx) {
     rb.Push(RESULT_SUCCESS);
 }
 
-void Hid::StartLrAssignmentMode(Kernel::HLERequestContext& ctx) {
-    IPC::RequestParser rp{ctx};
-    const auto applet_resource_user_id{rp.Pop<u64>()};
-
-    LOG_DEBUG(Service_HID, "called, applet_resource_user_id={}", applet_resource_user_id);
-    auto& controller = applet_resource->GetController<Controller_NPad>(HidController::NPad);
-    controller.StartLRAssignmentMode();
-
-    IPC::ResponseBuilder rb{ctx, 2};
-    rb.Push(RESULT_SUCCESS);
-}
-
-void Hid::StopLrAssignmentMode(Kernel::HLERequestContext& ctx) {
-    IPC::RequestParser rp{ctx};
-    const auto applet_resource_user_id{rp.Pop<u64>()};
-
-    LOG_DEBUG(Service_HID, "called, applet_resource_user_id={}", applet_resource_user_id);
-    auto& controller = applet_resource->GetController<Controller_NPad>(HidController::NPad);
-    controller.StopLRAssignmentMode();
-
-    IPC::ResponseBuilder rb{ctx, 2};
-    rb.Push(RESULT_SUCCESS);
-}
-
-void Hid::SwapNpadAssignment(Kernel::HLERequestContext& ctx) {
-    IPC::RequestParser rp{ctx};
-    const auto npad_1{rp.Pop<u32>()};
-    const auto npad_2{rp.Pop<u32>()};
-    const auto applet_resource_user_id{rp.Pop<u64>()};
-
-    LOG_DEBUG(Service_HID, "called, applet_resource_user_id={}, npad_1={}, npad_2={}",
-              applet_resource_user_id, npad_1, npad_2);
-
-    auto& controller = applet_resource->GetController<Controller_NPad>(HidController::NPad);
-    IPC::ResponseBuilder rb{ctx, 2};
-    if (controller.SwapNpadAssignment(npad_1, npad_2)) {
-        rb.Push(RESULT_SUCCESS);
-    } else {
-        LOG_ERROR(Service_HID, "Npads are not connected!");
-        rb.Push(ERR_NPAD_NOT_CONNECTED);
-    }
-}
-
 class HidDbg final : public ServiceFramework<HidDbg> {
 public:
     explicit HidDbg() : ServiceFramework{"hid:dbg"} {

src/core/hle/service/hid/hid.h

@@ -105,14 +105,19 @@ private:
     void SetNpadJoyHoldType(Kernel::HLERequestContext& ctx);
     void GetNpadJoyHoldType(Kernel::HLERequestContext& ctx);
     void SetNpadJoyAssignmentModeSingleByDefault(Kernel::HLERequestContext& ctx);
+    void SetNpadJoyAssignmentModeSingle(Kernel::HLERequestContext& ctx);
+    void SetNpadJoyAssignmentModeDual(Kernel::HLERequestContext& ctx);
+    void MergeSingleJoyAsDualJoy(Kernel::HLERequestContext& ctx);
+    void StartLrAssignmentMode(Kernel::HLERequestContext& ctx);
+    void StopLrAssignmentMode(Kernel::HLERequestContext& ctx);
+    void SetNpadHandheldActivationMode(Kernel::HLERequestContext& ctx);
+    void GetNpadHandheldActivationMode(Kernel::HLERequestContext& ctx);
+    void SwapNpadAssignment(Kernel::HLERequestContext& ctx);
     void BeginPermitVibrationSession(Kernel::HLERequestContext& ctx);
     void EndPermitVibrationSession(Kernel::HLERequestContext& ctx);
     void SendVibrationValue(Kernel::HLERequestContext& ctx);
     void SendVibrationValues(Kernel::HLERequestContext& ctx);
     void GetActualVibrationValue(Kernel::HLERequestContext& ctx);
-    void SetNpadJoyAssignmentModeDual(Kernel::HLERequestContext& ctx);
-    void MergeSingleJoyAsDualJoy(Kernel::HLERequestContext& ctx);
-    void SetNpadHandheldActivationMode(Kernel::HLERequestContext& ctx);
     void GetVibrationDeviceInfo(Kernel::HLERequestContext& ctx);
     void CreateActiveVibrationDeviceList(Kernel::HLERequestContext& ctx);
     void PermitVibration(Kernel::HLERequestContext& ctx);
@@ -122,9 +127,6 @@ private:
     void StopSixAxisSensor(Kernel::HLERequestContext& ctx);
     void SetIsPalmaAllConnectable(Kernel::HLERequestContext& ctx);
     void SetPalmaBoostMode(Kernel::HLERequestContext& ctx);
-    void StartLrAssignmentMode(Kernel::HLERequestContext& ctx);
-    void StopLrAssignmentMode(Kernel::HLERequestContext& ctx);
-    void SwapNpadAssignment(Kernel::HLERequestContext& ctx);
 
     std::shared_ptr<IAppletResource> applet_resource;
     Core::System& system;

src/core/hle/service/lbl/lbl.cpp

@@ -10,6 +10,8 @@
 #include "core/hle/service/lbl/lbl.h"
 #include "core/hle/service/service.h"
 #include "core/hle/service/sm/sm.h"
+#include "core/settings.h"
+#include "video_core/renderer_base.h"
 
 namespace Service::LBL {
 
@@ -18,21 +20,21 @@ public:
     explicit LBL() : ServiceFramework{"lbl"} {
         // clang-format off
         static const FunctionInfo functions[] = {
-            {0, nullptr, "SaveCurrentSetting"},
-            {1, nullptr, "LoadCurrentSetting"},
-            {2, nullptr, "SetCurrentBrightnessSetting"},
-            {3, nullptr, "GetCurrentBrightnessSetting"},
-            {4, nullptr, "ApplyCurrentBrightnessSettingToBacklight"},
-            {5, nullptr, "GetBrightnessSettingAppliedToBacklight"},
-            {6, nullptr, "SwitchBacklightOn"},
-            {7, nullptr, "SwitchBacklightOff"},
-            {8, nullptr, "GetBacklightSwitchStatus"},
-            {9, nullptr, "EnableDimming"},
-            {10, nullptr, "DisableDimming"},
-            {11, nullptr, "IsDimmingEnabled"},
-            {12, nullptr, "EnableAutoBrightnessControl"},
-            {13, nullptr, "DisableAutoBrightnessControl"},
-            {14, nullptr, "IsAutoBrightnessControlEnabled"},
+            {0, &LBL::SaveCurrentSetting, "SaveCurrentSetting"},
+            {1, &LBL::LoadCurrentSetting, "LoadCurrentSetting"},
+            {2, &LBL::SetCurrentBrightnessSetting, "SetCurrentBrightnessSetting"},
+            {3, &LBL::GetCurrentBrightnessSetting, "GetCurrentBrightnessSetting"},
+            {4, &LBL::ApplyCurrentBrightnessSettingToBacklight, "ApplyCurrentBrightnessSettingToBacklight"},
+            {5, &LBL::GetBrightnessSettingAppliedToBacklight, "GetBrightnessSettingAppliedToBacklight"},
+            {6, &LBL::SwitchBacklightOn, "SwitchBacklightOn"},
+            {7, &LBL::SwitchBacklightOff, "SwitchBacklightOff"},
+            {8, &LBL::GetBacklightSwitchStatus, "GetBacklightSwitchStatus"},
+            {9, &LBL::EnableDimming, "EnableDimming"},
+            {10, &LBL::DisableDimming, "DisableDimming"},
+            {11, &LBL::IsDimmingEnabled, "IsDimmingEnabled"},
+            {12, &LBL::EnableAutoBrightnessControl, "EnableAutoBrightnessControl"},
+            {13, &LBL::DisableAutoBrightnessControl, "DisableAutoBrightnessControl"},
+            {14, &LBL::IsAutoBrightnessControlEnabled, "IsAutoBrightnessControlEnabled"},
             {15, nullptr, "SetAmbientLightSensorValue"},
             {16, nullptr, "GetAmbientLightSensorValue"},
             {17, nullptr, "SetBrightnessReflectionDelayLevel"},
@@ -42,8 +44,8 @@ public:
             {21, nullptr, "SetCurrentAmbientLightSensorMapping"},
             {22, nullptr, "GetCurrentAmbientLightSensorMapping"},
             {23, nullptr, "IsAmbientLightSensorAvailable"},
-            {24, nullptr, "SetCurrentBrightnessSettingForVrMode"},
-            {25, nullptr, "GetCurrentBrightnessSettingForVrMode"},
+            {24, &LBL::SetCurrentBrightnessSettingForVrMode, "SetCurrentBrightnessSettingForVrMode"},
+            {25, &LBL::GetCurrentBrightnessSettingForVrMode, "GetCurrentBrightnessSettingForVrMode"},
             {26, &LBL::EnableVrMode, "EnableVrMode"},
             {27, &LBL::DisableVrMode, "DisableVrMode"},
             {28, &LBL::IsVrModeEnabled, "IsVrModeEnabled"},
@@ -53,13 +55,209 @@ public:
         RegisterHandlers(functions);
     }
 
+    void LoadFromSettings() {
+        current_brightness = Settings::values.backlight_brightness;
+        current_vr_mode_brightness = Settings::values.backlight_brightness;
+
+        if (auto_brightness_enabled) {
+            return;
+        }
+
+        if (vr_mode_enabled) {
+            Renderer().SetCurrentBrightness(current_vr_mode_brightness);
+        } else {
+            Renderer().SetCurrentBrightness(current_brightness);
+        }
+    }
+
 private:
+    f32 GetAutoBrightnessValue() const {
+        return 0.5f;
+    }
+
+    VideoCore::RendererBase& Renderer() {
+        return Core::System::GetInstance().Renderer();
+    }
+
+    void SaveCurrentSetting(Kernel::HLERequestContext& ctx) {
+        LOG_DEBUG(Service_LBL, "called");
+
+        Settings::values.backlight_brightness = current_brightness;
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(RESULT_SUCCESS);
+    }
+
+    void LoadCurrentSetting(Kernel::HLERequestContext& ctx) {
+        LOG_DEBUG(Service_LBL, "called");
+
+        LoadFromSettings();
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(RESULT_SUCCESS);
+    }
+
+    void SetCurrentBrightnessSetting(Kernel::HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+        const auto value = rp.PopRaw<f32>();
+
+        LOG_DEBUG(Service_LBL, "called, value={:.3f}", value);
+
+        current_brightness = std::clamp(value, 0.0f, 1.0f);
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(RESULT_SUCCESS);
+    }
+
+    void GetCurrentBrightnessSetting(Kernel::HLERequestContext& ctx) {
+        LOG_DEBUG(Service_LBL, "called");
+
+        IPC::ResponseBuilder rb{ctx, 3};
+        rb.Push(RESULT_SUCCESS);
+        rb.Push(current_brightness);
+    }
+
+    void ApplyCurrentBrightnessSettingToBacklight(Kernel::HLERequestContext& ctx) {
+        LOG_DEBUG(Service_LBL, "called");
+
+        if (!auto_brightness_enabled) {
+            Renderer().SetCurrentBrightness(vr_mode_enabled ? current_vr_mode_brightness
+                                                            : current_brightness);
+        }
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(RESULT_SUCCESS);
+    }
+
+    void GetBrightnessSettingAppliedToBacklight(Kernel::HLERequestContext& ctx) {
+        LOG_DEBUG(Service_LBL, "called");
+
+        IPC::ResponseBuilder rb{ctx, 3};
+        rb.Push(RESULT_SUCCESS);
+        rb.Push(Renderer().GetCurrentResultantBrightness());
+    }
+
+    void SwitchBacklightOn(Kernel::HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+        const auto fade_time = rp.PopRaw<u64>();
+
+        LOG_DEBUG(Service_LBL, "called, fade_time={:016X}", fade_time);
+
+        Renderer().SetBacklightStatus(true, fade_time);
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(RESULT_SUCCESS);
+    }
+
+    void SwitchBacklightOff(Kernel::HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+        const auto fade_time = rp.PopRaw<u64>();
+
+        LOG_DEBUG(Service_LBL, "called, fade_time={:016X}", fade_time);
+
+        Renderer().SetBacklightStatus(false, fade_time);
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(RESULT_SUCCESS);
+    }
+
+    void GetBacklightSwitchStatus(Kernel::HLERequestContext& ctx) {
+        LOG_DEBUG(Service_LBL, "called");
+
+        IPC::ResponseBuilder rb{ctx, 3};
+        rb.Push(RESULT_SUCCESS);
+        rb.Push<u8>(Renderer().GetBacklightStatus());
+    }
+
+    void EnableDimming(Kernel::HLERequestContext& ctx) {
+        LOG_DEBUG(Service_LBL, "called");
+
+        dimming_enabled = true;
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(RESULT_SUCCESS);
+    }
+
+    void DisableDimming(Kernel::HLERequestContext& ctx) {
+        LOG_DEBUG(Service_LBL, "callled");
+
+        dimming_enabled = false;
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(RESULT_SUCCESS);
+    }
+
+    void IsDimmingEnabled(Kernel::HLERequestContext& ctx) {
+        LOG_DEBUG(Service_LBL, "called");
+
+        IPC::ResponseBuilder rb{ctx, 3};
+        rb.Push(RESULT_SUCCESS);
+        rb.Push<u8>(dimming_enabled);
+    }
+
+    void EnableAutoBrightnessControl(Kernel::HLERequestContext& ctx) {
+        LOG_DEBUG(Service_LBL, "called");
+
+        auto_brightness_enabled = true;
+        Renderer().SetCurrentBrightness(GetAutoBrightnessValue());
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(RESULT_SUCCESS);
+    }
+
+    void DisableAutoBrightnessControl(Kernel::HLERequestContext& ctx) {
+        LOG_DEBUG(Service_LBL, "called");
+
+        auto_brightness_enabled = false;
+        Renderer().SetCurrentBrightness(current_brightness);
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(RESULT_SUCCESS);
+    }
+
+    void IsAutoBrightnessControlEnabled(Kernel::HLERequestContext& ctx) {
+        LOG_DEBUG(Service_LBL, "called");
+
+        IPC::ResponseBuilder rb{ctx, 3};
+        rb.Push(RESULT_SUCCESS);
+        rb.Push<u8>(auto_brightness_enabled);
+    }
+
+    void SetCurrentBrightnessSettingForVrMode(Kernel::HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+        const auto value = rp.PopRaw<f32>();
+
+        LOG_DEBUG(Service_LBL, "called, value={:.3f}", value);
+
+        current_vr_mode_brightness = std::clamp(value, 0.0f, 1.0f);
+
+        if (vr_mode_enabled && !auto_brightness_enabled) {
+            Renderer().SetCurrentBrightness(value);
+        }
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(RESULT_SUCCESS);
+    }
+
+    void GetCurrentBrightnessSettingForVrMode(Kernel::HLERequestContext& ctx) {
+        LOG_DEBUG(Service_LBL, "called");
+
+        IPC::ResponseBuilder rb{ctx, 3};
+        rb.Push(RESULT_SUCCESS);
+        rb.Push(current_vr_mode_brightness);
+    }
+
     void EnableVrMode(Kernel::HLERequestContext& ctx) {
         LOG_DEBUG(Service_LBL, "called");
 
         IPC::ResponseBuilder rb{ctx, 2};
         rb.Push(RESULT_SUCCESS);
 
+        if (!vr_mode_enabled && !auto_brightness_enabled &&
+            current_brightness != current_vr_mode_brightness) {
+            Renderer().SetCurrentBrightness(current_vr_mode_brightness);
+        }
+
         vr_mode_enabled = true;
     }
 
@@ -69,6 +267,11 @@ private:
         IPC::ResponseBuilder rb{ctx, 2};
         rb.Push(RESULT_SUCCESS);
 
+        if (vr_mode_enabled && !auto_brightness_enabled &&
+            current_brightness != current_vr_mode_brightness) {
+            Renderer().SetCurrentBrightness(current_brightness);
+        }
+
         vr_mode_enabled = false;
     }
 
@@ -80,9 +283,27 @@ private:
         rb.Push(vr_mode_enabled);
     }
 
+    bool auto_brightness_enabled = false;
+    bool dimming_enabled = true;
+
+    f32 current_brightness = GetAutoBrightnessValue();
+    f32 current_vr_mode_brightness = GetAutoBrightnessValue();
+
     bool vr_mode_enabled = false;
 };
 
+void RequestLoadCurrentSetting(SM::ServiceManager& sm) {
+    if (&sm == nullptr) {
+        return;
+    }
+
+    const auto lbl = sm.GetService<LBL>("lbl");
+
+    if (lbl) {
+        lbl->LoadFromSettings();
+    }
+}
+
 void InstallInterfaces(SM::ServiceManager& sm) {
     std::make_shared<LBL>()->InstallAsService(sm);
 }

src/core/hle/service/lbl/lbl.h

@@ -10,6 +10,9 @@ class ServiceManager;
 
 namespace Service::LBL {
 
+// Requests the LBL service passed to load brightness values from Settings
+void RequestLoadCurrentSetting(SM::ServiceManager& sm);
+
 void InstallInterfaces(SM::ServiceManager& sm);
 
 } // namespace Service::LBL

src/core/hle/service/nifm/nifm.cpp

@@ -9,6 +9,7 @@
 #include "core/hle/kernel/writable_event.h"
 #include "core/hle/service/nifm/nifm.h"
 #include "core/hle/service/service.h"
+#include "core/settings.h"
 
 namespace Service::NIFM {
 
@@ -88,7 +89,12 @@ private:
 
         IPC::ResponseBuilder rb{ctx, 3};
         rb.Push(RESULT_SUCCESS);
-        rb.PushEnum(RequestState::Connected);
+
+        if (Settings::values.bcat_backend == "none") {
+            rb.PushEnum(RequestState::NotSubmitted);
+        } else {
+            rb.PushEnum(RequestState::Connected);
+        }
     }
 
     void GetResult(Kernel::HLERequestContext& ctx) {
@@ -196,14 +202,22 @@ private:
 
         IPC::ResponseBuilder rb{ctx, 3};
         rb.Push(RESULT_SUCCESS);
-        rb.Push<u8>(1);
+        if (Settings::values.bcat_backend == "none") {
+            rb.Push<u8>(0);
+        } else {
+            rb.Push<u8>(1);
+        }
     }
     void IsAnyInternetRequestAccepted(Kernel::HLERequestContext& ctx) {
         LOG_WARNING(Service_NIFM, "(STUBBED) called");
 
         IPC::ResponseBuilder rb{ctx, 3};
         rb.Push(RESULT_SUCCESS);
-        rb.Push<u8>(1);
+        if (Settings::values.bcat_backend == "none") {
+            rb.Push<u8>(0);
+        } else {
+            rb.Push<u8>(1);
+        }
     }
     Core::System& system;
 };

src/core/hle/service/nvdrv/devices/nvdisp_disp0.cpp

@@ -5,6 +5,7 @@
 #include "common/assert.h"
 #include "common/logging/log.h"
 #include "core/core.h"
+#include "core/core_timing.h"
 #include "core/hle/service/nvdrv/devices/nvdisp_disp0.h"
 #include "core/hle/service/nvdrv/devices/nvmap.h"
 #include "core/perf_stats.h"
@@ -38,7 +39,10 @@ void nvdisp_disp0::flip(u32 buffer_handle, u32 offset, u32 format, u32 width, u3
         transform, crop_rect};
 
     system.GetPerfStats().EndGameFrame();
+    system.GetPerfStats().EndSystemFrame();
     system.GPU().SwapBuffers(&framebuffer);
+    system.FrameLimiter().DoFrameLimiting(system.CoreTiming().GetGlobalTimeUs());
+    system.GetPerfStats().BeginSystemFrame();
 }
 
 } // namespace Service::Nvidia::Devices

src/core/hle/service/nvdrv/devices/nvhost_ctrl.cpp

@@ -63,16 +63,26 @@ u32 nvhost_ctrl::IocCtrlEventWait(const std::vector<u8>& input, std::vector<u8>&
         return NvResult::BadParameter;
     }
 
+    u32 event_id = params.value & 0x00FF;
+
+    if (event_id >= MaxNvEvents) {
+        std::memcpy(output.data(), &params, sizeof(params));
+        return NvResult::BadParameter;
+    }
+
+    auto event = events_interface.events[event_id];
     auto& gpu = system.GPU();
     // This is mostly to take into account unimplemented features. As synced
     // gpu is always synced.
     if (!gpu.IsAsync()) {
+        event.writable->Signal();
         return NvResult::Success;
     }
     auto lock = gpu.LockSync();
     const u32 current_syncpoint_value = gpu.GetSyncpointValue(params.syncpt_id);
     const s32 diff = current_syncpoint_value - params.threshold;
     if (diff >= 0) {
+        event.writable->Signal();
         params.value = current_syncpoint_value;
         std::memcpy(output.data(), &params, sizeof(params));
         return NvResult::Success;
@@ -88,27 +98,6 @@ u32 nvhost_ctrl::IocCtrlEventWait(const std::vector<u8>& input, std::vector<u8>&
         return NvResult::Timeout;
     }
 
-    u32 event_id;
-    if (is_async) {
-        event_id = params.value & 0x00FF;
-        if (event_id >= MaxNvEvents) {
-            std::memcpy(output.data(), &params, sizeof(params));
-            return NvResult::BadParameter;
-        }
-    } else {
-        if (ctrl.fresh_call) {
-            const auto result = events_interface.GetFreeEvent();
-            if (result) {
-                event_id = *result;
-            } else {
-                LOG_CRITICAL(Service_NVDRV, "No Free Events available!");
-                event_id = params.value & 0x00FF;
-            }
-        } else {
-            event_id = ctrl.event_id;
-        }
-    }
-
     EventState status = events_interface.status[event_id];
     if (event_id < MaxNvEvents || status == EventState::Free || status == EventState::Registered) {
         events_interface.SetEventStatus(event_id, EventState::Waiting);
@@ -120,7 +109,7 @@ u32 nvhost_ctrl::IocCtrlEventWait(const std::vector<u8>& input, std::vector<u8>&
             params.value = ((params.syncpt_id & 0xfff) << 16) | 0x10000000;
         }
         params.value |= event_id;
-        events_interface.events[event_id].writable->Clear();
+        event.writable->Clear();
         gpu.RegisterSyncptInterrupt(params.syncpt_id, target_value);
         if (!is_async && ctrl.fresh_call) {
             ctrl.must_delay = true;

src/core/hle/service/nvdrv/devices/nvhost_nvdec.cpp

@@ -22,6 +22,18 @@ u32 nvhost_nvdec::ioctl(Ioctl command, const std::vector<u8>& input, const std::
     switch (static_cast<IoctlCommand>(command.raw)) {
     case IoctlCommand::IocSetNVMAPfdCommand:
         return SetNVMAPfd(input, output);
+    case IoctlCommand::IocSubmit:
+        return Submit(input, output);
+    case IoctlCommand::IocGetSyncpoint:
+        return GetSyncpoint(input, output);
+    case IoctlCommand::IocGetWaitbase:
+        return GetWaitbase(input, output);
+    case IoctlCommand::IocMapBuffer:
+        return MapBuffer(input, output);
+    case IoctlCommand::IocMapBufferEx:
+        return MapBufferEx(input, output);
+    case IoctlCommand::IocUnmapBufferEx:
+        return UnmapBufferEx(input, output);
     }
 
     UNIMPLEMENTED_MSG("Unimplemented ioctl");
@@ -30,11 +42,67 @@ u32 nvhost_nvdec::ioctl(Ioctl command, const std::vector<u8>& input, const std::
 
 u32 nvhost_nvdec::SetNVMAPfd(const std::vector<u8>& input, std::vector<u8>& output) {
     IoctlSetNvmapFD params{};
-    std::memcpy(&params, input.data(), input.size());
+    std::memcpy(&params, input.data(), sizeof(IoctlSetNvmapFD));
     LOG_DEBUG(Service_NVDRV, "called, fd={}", params.nvmap_fd);
 
     nvmap_fd = params.nvmap_fd;
     return 0;
 }
 
+u32 nvhost_nvdec::Submit(const std::vector<u8>& input, std::vector<u8>& output) {
+    IoctlSubmit params{};
+    std::memcpy(&params, input.data(), sizeof(IoctlSubmit));
+    LOG_WARNING(Service_NVDRV, "(STUBBED) called");
+    std::memcpy(output.data(), &params, sizeof(IoctlSubmit));
+    return 0;
+}
+
+u32 nvhost_nvdec::GetSyncpoint(const std::vector<u8>& input, std::vector<u8>& output) {
+    IoctlGetSyncpoint params{};
+    std::memcpy(&params, input.data(), sizeof(IoctlGetSyncpoint));
+    LOG_INFO(Service_NVDRV, "called, unknown=0x{:X}", params.unknown);
+    params.value = 0; // Seems to be hard coded at 0
+    std::memcpy(output.data(), &params, sizeof(IoctlGetSyncpoint));
+    return 0;
+}
+
+u32 nvhost_nvdec::GetWaitbase(const std::vector<u8>& input, std::vector<u8>& output) {
+    IoctlGetWaitbase params{};
+    std::memcpy(&params, input.data(), sizeof(IoctlGetWaitbase));
+    LOG_INFO(Service_NVDRV, "called, unknown=0x{:X}", params.unknown);
+    params.value = 0; // Seems to be hard coded at 0
+    std::memcpy(output.data(), &params, sizeof(IoctlGetWaitbase));
+    return 0;
+}
+
+u32 nvhost_nvdec::MapBuffer(const std::vector<u8>& input, std::vector<u8>& output) {
+    IoctlMapBuffer params{};
+    std::memcpy(&params, input.data(), sizeof(IoctlMapBuffer));
+    LOG_WARNING(Service_NVDRV, "(STUBBED) called with address={:08X}{:08X}", params.address_2,
+                params.address_1);
+    params.address_1 = 0;
+    params.address_2 = 0;
+    std::memcpy(output.data(), &params, sizeof(IoctlMapBuffer));
+    return 0;
+}
+
+u32 nvhost_nvdec::MapBufferEx(const std::vector<u8>& input, std::vector<u8>& output) {
+    IoctlMapBufferEx params{};
+    std::memcpy(&params, input.data(), sizeof(IoctlMapBufferEx));
+    LOG_WARNING(Service_NVDRV, "(STUBBED) called with address={:08X}{:08X}", params.address_2,
+                params.address_1);
+    params.address_1 = 0;
+    params.address_2 = 0;
+    std::memcpy(output.data(), &params, sizeof(IoctlMapBufferEx));
+    return 0;
+}
+
+u32 nvhost_nvdec::UnmapBufferEx(const std::vector<u8>& input, std::vector<u8>& output) {
+    IoctlUnmapBufferEx params{};
+    std::memcpy(&params, input.data(), sizeof(IoctlUnmapBufferEx));
+    LOG_WARNING(Service_NVDRV, "(STUBBED) called");
+    std::memcpy(output.data(), &params, sizeof(IoctlUnmapBufferEx));
+    return 0;
+}
+
 } // namespace Service::Nvidia::Devices

src/core/hle/service/nvdrv/devices/nvhost_nvdec.h

@@ -23,16 +23,66 @@ public:
 private:
     enum class IoctlCommand : u32_le {
         IocSetNVMAPfdCommand = 0x40044801,
+        IocSubmit = 0xC0400001,
+        IocGetSyncpoint = 0xC0080002,
+        IocGetWaitbase = 0xC0080003,
+        IocMapBuffer = 0xC01C0009,
+        IocMapBufferEx = 0xC0A40009,
+        IocUnmapBufferEx = 0xC0A4000A,
     };
 
     struct IoctlSetNvmapFD {
         u32_le nvmap_fd;
     };
-    static_assert(sizeof(IoctlSetNvmapFD) == 4, "IoctlSetNvmapFD is incorrect size");
+    static_assert(sizeof(IoctlSetNvmapFD) == 0x4, "IoctlSetNvmapFD is incorrect size");
+
+    struct IoctlSubmit {
+        INSERT_PADDING_BYTES(0x40); // TODO(DarkLordZach): RE this structure
+    };
+    static_assert(sizeof(IoctlSubmit) == 0x40, "IoctlSubmit has incorrect size");
+
+    struct IoctlGetSyncpoint {
+        u32 unknown; // seems to be ignored? Nintendo added this
+        u32 value;
+    };
+    static_assert(sizeof(IoctlGetSyncpoint) == 0x08, "IoctlGetSyncpoint has incorrect size");
+
+    struct IoctlGetWaitbase {
+        u32 unknown; // seems to be ignored? Nintendo added this
+        u32 value;
+    };
+    static_assert(sizeof(IoctlGetWaitbase) == 0x08, "IoctlGetWaitbase has incorrect size");
+
+    struct IoctlMapBuffer {
+        u32 unknown;
+        u32 address_1;
+        u32 address_2;
+        INSERT_PADDING_BYTES(0x10); // TODO(DarkLordZach): RE this structure
+    };
+    static_assert(sizeof(IoctlMapBuffer) == 0x1C, "IoctlMapBuffer is incorrect size");
+
+    struct IoctlMapBufferEx {
+        u32 unknown;
+        u32 address_1;
+        u32 address_2;
+        INSERT_PADDING_BYTES(0x98); // TODO(DarkLordZach): RE this structure
+    };
+    static_assert(sizeof(IoctlMapBufferEx) == 0xA4, "IoctlMapBufferEx has incorrect size");
+
+    struct IoctlUnmapBufferEx {
+        INSERT_PADDING_BYTES(0xA4); // TODO(DarkLordZach): RE this structure
+    };
+    static_assert(sizeof(IoctlUnmapBufferEx) == 0xA4, "IoctlUnmapBufferEx has incorrect size");
 
     u32_le nvmap_fd{};
 
     u32 SetNVMAPfd(const std::vector<u8>& input, std::vector<u8>& output);
+    u32 Submit(const std::vector<u8>& input, std::vector<u8>& output);
+    u32 GetSyncpoint(const std::vector<u8>& input, std::vector<u8>& output);
+    u32 GetWaitbase(const std::vector<u8>& input, std::vector<u8>& output);
+    u32 MapBuffer(const std::vector<u8>& input, std::vector<u8>& output);
+    u32 MapBufferEx(const std::vector<u8>& input, std::vector<u8>& output);
+    u32 UnmapBufferEx(const std::vector<u8>& input, std::vector<u8>& output);
 };
 
 } // namespace Service::Nvidia::Devices

src/core/hle/service/nvdrv/devices/nvhost_vic.cpp

@@ -22,6 +22,18 @@ u32 nvhost_vic::ioctl(Ioctl command, const std::vector<u8>& input, const std::ve
     switch (static_cast<IoctlCommand>(command.raw)) {
     case IoctlCommand::IocSetNVMAPfdCommand:
         return SetNVMAPfd(input, output);
+    case IoctlCommand::IocSubmit:
+        return Submit(input, output);
+    case IoctlCommand::IocGetSyncpoint:
+        return GetSyncpoint(input, output);
+    case IoctlCommand::IocGetWaitbase:
+        return GetWaitbase(input, output);
+    case IoctlCommand::IocMapBuffer:
+        return MapBuffer(input, output);
+    case IoctlCommand::IocMapBufferEx:
+        return MapBuffer(input, output);
+    case IoctlCommand::IocUnmapBufferEx:
+        return UnmapBufferEx(input, output);
     }
 
     UNIMPLEMENTED_MSG("Unimplemented ioctl");
@@ -30,11 +42,67 @@ u32 nvhost_vic::ioctl(Ioctl command, const std::vector<u8>& input, const std::ve
 
 u32 nvhost_vic::SetNVMAPfd(const std::vector<u8>& input, std::vector<u8>& output) {
     IoctlSetNvmapFD params{};
-    std::memcpy(&params, input.data(), input.size());
+    std::memcpy(&params, input.data(), sizeof(IoctlSetNvmapFD));
     LOG_DEBUG(Service_NVDRV, "called, fd={}", params.nvmap_fd);
 
     nvmap_fd = params.nvmap_fd;
     return 0;
 }
 
+u32 nvhost_vic::Submit(const std::vector<u8>& input, std::vector<u8>& output) {
+    IoctlSubmit params{};
+    std::memcpy(&params, input.data(), sizeof(IoctlSubmit));
+    LOG_WARNING(Service_NVDRV, "(STUBBED) called");
+    std::memcpy(output.data(), &params, sizeof(IoctlSubmit));
+    return 0;
+}
+
+u32 nvhost_vic::GetSyncpoint(const std::vector<u8>& input, std::vector<u8>& output) {
+    IoctlGetSyncpoint params{};
+    std::memcpy(&params, input.data(), sizeof(IoctlGetSyncpoint));
+    LOG_INFO(Service_NVDRV, "called, unknown=0x{:X}", params.unknown);
+    params.value = 0; // Seems to be hard coded at 0
+    std::memcpy(output.data(), &params, sizeof(IoctlGetSyncpoint));
+    return 0;
+}
+
+u32 nvhost_vic::GetWaitbase(const std::vector<u8>& input, std::vector<u8>& output) {
+    IoctlGetWaitbase params{};
+    std::memcpy(&params, input.data(), sizeof(IoctlGetWaitbase));
+    LOG_INFO(Service_NVDRV, "called, unknown=0x{:X}", params.unknown);
+    params.value = 0; // Seems to be hard coded at 0
+    std::memcpy(output.data(), &params, sizeof(IoctlGetWaitbase));
+    return 0;
+}
+
+u32 nvhost_vic::MapBuffer(const std::vector<u8>& input, std::vector<u8>& output) {
+    IoctlMapBuffer params{};
+    std::memcpy(&params, input.data(), sizeof(IoctlMapBuffer));
+    LOG_WARNING(Service_NVDRV, "(STUBBED) called with address={:08X}{:08X}", params.address_2,
+                params.address_1);
+    params.address_1 = 0;
+    params.address_2 = 0;
+    std::memcpy(output.data(), &params, sizeof(IoctlMapBuffer));
+    return 0;
+}
+
+u32 nvhost_vic::MapBufferEx(const std::vector<u8>& input, std::vector<u8>& output) {
+    IoctlMapBufferEx params{};
+    std::memcpy(&params, input.data(), sizeof(IoctlMapBufferEx));
+    LOG_WARNING(Service_NVDRV, "(STUBBED) called with address={:08X}{:08X}", params.address_2,
+                params.address_1);
+    params.address_1 = 0;
+    params.address_2 = 0;
+    std::memcpy(output.data(), &params, sizeof(IoctlMapBufferEx));
+    return 0;
+}
+
+u32 nvhost_vic::UnmapBufferEx(const std::vector<u8>& input, std::vector<u8>& output) {
+    IoctlUnmapBufferEx params{};
+    std::memcpy(&params, input.data(), sizeof(IoctlUnmapBufferEx));
+    LOG_WARNING(Service_NVDRV, "(STUBBED) called");
+    std::memcpy(output.data(), &params, sizeof(IoctlUnmapBufferEx));
+    return 0;
+}
+
 } // namespace Service::Nvidia::Devices

src/core/hle/service/nvdrv/devices/nvhost_vic.h

@@ -23,6 +23,12 @@ public:
 private:
     enum class IoctlCommand : u32_le {
         IocSetNVMAPfdCommand = 0x40044801,
+        IocSubmit = 0xC0400001,
+        IocGetSyncpoint = 0xC0080002,
+        IocGetWaitbase = 0xC0080003,
+        IocMapBuffer = 0xC01C0009,
+        IocMapBufferEx = 0xC03C0009,
+        IocUnmapBufferEx = 0xC03C000A,
     };
 
     struct IoctlSetNvmapFD {
@@ -30,9 +36,53 @@ private:
     };
     static_assert(sizeof(IoctlSetNvmapFD) == 4, "IoctlSetNvmapFD is incorrect size");
 
+    struct IoctlSubmit {
+        INSERT_PADDING_BYTES(0x40); // TODO(DarkLordZach): RE this structure
+    };
+    static_assert(sizeof(IoctlSubmit) == 0x40, "IoctlSubmit is incorrect size");
+
+    struct IoctlGetSyncpoint {
+        u32 unknown; // seems to be ignored? Nintendo added this
+        u32 value;
+    };
+    static_assert(sizeof(IoctlGetSyncpoint) == 0x8, "IoctlGetSyncpoint is incorrect size");
+
+    struct IoctlGetWaitbase {
+        u32 unknown; // seems to be ignored? Nintendo added this
+        u32 value;
+    };
+    static_assert(sizeof(IoctlGetWaitbase) == 0x8, "IoctlGetWaitbase is incorrect size");
+
+    struct IoctlMapBuffer {
+        u32 unknown;
+        u32 address_1;
+        u32 address_2;
+        INSERT_PADDING_BYTES(0x10); // TODO(DarkLordZach): RE this structure
+    };
+    static_assert(sizeof(IoctlMapBuffer) == 0x1C, "IoctlMapBuffer is incorrect size");
+
+    struct IoctlMapBufferEx {
+        u32 unknown;
+        u32 address_1;
+        u32 address_2;
+        INSERT_PADDING_BYTES(0x30); // TODO(DarkLordZach): RE this structure
+    };
+    static_assert(sizeof(IoctlMapBufferEx) == 0x3C, "IoctlMapBufferEx is incorrect size");
+
+    struct IoctlUnmapBufferEx {
+        INSERT_PADDING_BYTES(0x3C); // TODO(DarkLordZach): RE this structure
+    };
+    static_assert(sizeof(IoctlUnmapBufferEx) == 0x3C, "IoctlUnmapBufferEx is incorrect size");
+
     u32_le nvmap_fd{};
 
     u32 SetNVMAPfd(const std::vector<u8>& input, std::vector<u8>& output);
+    u32 Submit(const std::vector<u8>& input, std::vector<u8>& output);
+    u32 GetSyncpoint(const std::vector<u8>& input, std::vector<u8>& output);
+    u32 GetWaitbase(const std::vector<u8>& input, std::vector<u8>& output);
+    u32 MapBuffer(const std::vector<u8>& input, std::vector<u8>& output);
+    u32 MapBufferEx(const std::vector<u8>& input, std::vector<u8>& output);
+    u32 UnmapBufferEx(const std::vector<u8>& input, std::vector<u8>& output);
 };
 
 } // namespace Service::Nvidia::Devices

src/core/hle/service/nvdrv/interface.cpp

@@ -134,7 +134,9 @@ void NVDRV::QueryEvent(Kernel::HLERequestContext& ctx) {
     IPC::ResponseBuilder rb{ctx, 3, 1};
     rb.Push(RESULT_SUCCESS);
     if (event_id < MaxNvEvents) {
-        rb.PushCopyObjects(nvdrv->GetEvent(event_id));
+        auto event = nvdrv->GetEvent(event_id);
+        event->Clear();
+        rb.PushCopyObjects(event);
         rb.Push<u32>(NvResult::Success);
     } else {
         rb.Push<u32>(0);

src/core/hle/service/nvdrv/nvdrv.cpp

@@ -40,8 +40,8 @@ Module::Module(Core::System& system) {
     auto& kernel = system.Kernel();
     for (u32 i = 0; i < MaxNvEvents; i++) {
         std::string event_label = fmt::format("NVDRV::NvEvent_{}", i);
-        events_interface.events[i] = Kernel::WritableEvent::CreateEventPair(
-            kernel, Kernel::ResetType::Automatic, event_label);
+        events_interface.events[i] =
+            Kernel::WritableEvent::CreateEventPair(kernel, Kernel::ResetType::Manual, event_label);
         events_interface.status[i] = EventState::Free;
         events_interface.registered[i] = false;
     }

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

@@ -187,14 +187,18 @@ void NVFlinger::Compose() {
         MicroProfileFlip();
 
         if (!buffer) {
-            // There was no queued buffer to draw, render previous frame
-            system.GetPerfStats().EndGameFrame();
-            system.GPU().SwapBuffers({});
             continue;
         }
 
         const auto& igbp_buffer = buffer->get().igbp_buffer;
 
+        const auto& gpu = system.GPU();
+        const auto& multi_fence = buffer->get().multi_fence;
+        for (u32 fence_id = 0; fence_id < multi_fence.num_fences; fence_id++) {
+            const auto& fence = multi_fence.fences[fence_id];
+            gpu.WaitFence(fence.id, fence.value);
+        }
+
         // Now send the buffer to the GPU for drawing.
         // TODO(Subv): Support more than just disp0. The display device selection is probably based
         // on which display we're drawing (Default, Internal, External, etc)

src/core/settings.cpp

@@ -6,6 +6,8 @@
 #include "core/core.h"
 #include "core/gdbstub/gdbstub.h"
 #include "core/hle/service/hid/hid.h"
+#include "core/hle/service/lbl/lbl.h"
+#include "core/hle/service/sm/sm.h"
 #include "core/settings.h"
 #include "video_core/renderer_base.h"
 
@@ -70,6 +72,7 @@ void Apply() {
     auto& system_instance = Core::System::GetInstance();
     if (system_instance.IsPoweredOn()) {
         system_instance.Renderer().RefreshBaseSettings();
+        Service::LBL::RequestLoadCurrentSetting(system_instance.ServiceManager());
     }
 
     Service::HID::ReloadInputDevices();

src/core/settings.h

@@ -428,6 +428,8 @@ struct Values {
     float bg_green;
     float bg_blue;
 
+    float backlight_brightness = 0.5f;
+
     std::string log_filter;
 
     bool use_dev_keys;

src/video_core/engines/fermi_2d.cpp

@@ -47,10 +47,20 @@ void Fermi2D::HandleSurfaceCopy() {
         src_blit_x2 = static_cast<u32>((regs.blit_src_x >> 32) + regs.blit_dst_width);
         src_blit_y2 = static_cast<u32>((regs.blit_src_y >> 32) + regs.blit_dst_height);
     }
-    const Common::Rectangle<u32> src_rect{src_blit_x1, src_blit_y1, src_blit_x2, src_blit_y2};
-    const Common::Rectangle<u32> dst_rect{regs.blit_dst_x, regs.blit_dst_y,
-                                          regs.blit_dst_x + regs.blit_dst_width,
-                                          regs.blit_dst_y + regs.blit_dst_height};
+    const u32 dst_blit_x2 = regs.blit_dst_x + regs.blit_dst_width;
+    const u32 dst_blit_y2 = regs.blit_dst_x + regs.blit_dst_height;
+    const u32 excess_src_x2 = std::max<s32>(0, dst_blit_x2 - regs.dst.width);
+    const u32 excess_src_y2 = std::max<s32>(0, dst_blit_y2 - regs.dst.height);
+    const u32 excess_dst_x2 = std::max<s32>(0, src_blit_x2 - regs.src.width);
+    const u32 excess_dst_y2 = std::max<s32>(0, src_blit_y2 - regs.src.height);
+
+    const Common::Rectangle<u32> src_rect{
+        src_blit_x1, src_blit_y1, std::min<u32>(regs.src.width, src_blit_x2) - excess_src_x2,
+        std::min<u32>(regs.src.height, src_blit_y2) - excess_src_y2};
+    const Common::Rectangle<u32> dst_rect{
+        regs.blit_dst_x, regs.blit_dst_y,
+        std::min<u32>(regs.dst.width, dst_blit_x2) - excess_dst_x2,
+        std::min<u32>(regs.dst.height, dst_blit_y2) - excess_dst_y2};
     Config copy_config;
     copy_config.operation = regs.operation;
     copy_config.filter = regs.blit_control.filter;

src/video_core/gpu.cpp

@@ -3,6 +3,7 @@
 // Refer to the license.txt file included.
 
 #include "common/assert.h"
+#include "common/microprofile.h"
 #include "core/core.h"
 #include "core/core_timing.h"
 #include "core/memory.h"
@@ -17,6 +18,8 @@
 
 namespace Tegra {
 
+MICROPROFILE_DEFINE(GPU_wait, "GPU", "Wait for the GPU", MP_RGB(128, 128, 192));
+
 GPU::GPU(Core::System& system, VideoCore::RendererBase& renderer, bool is_async)
     : system{system}, renderer{renderer}, is_async{is_async} {
     auto& rasterizer{renderer.Rasterizer()};
@@ -63,6 +66,16 @@ const DmaPusher& GPU::DmaPusher() const {
     return *dma_pusher;
 }
 
+void GPU::WaitFence(u32 syncpoint_id, u32 value) const {
+    // Synced GPU, is always in sync
+    if (!is_async) {
+        return;
+    }
+    MICROPROFILE_SCOPE(GPU_wait);
+    while (syncpoints[syncpoint_id].load() < value) {
+    }
+}
+
 void GPU::IncrementSyncPoint(const u32 syncpoint_id) {
     syncpoints[syncpoint_id]++;
     std::lock_guard lock{sync_mutex};

src/video_core/gpu.h

@@ -177,6 +177,12 @@ public:
     /// Returns a reference to the GPU DMA pusher.
     Tegra::DmaPusher& DmaPusher();
 
+    // Waits for the GPU to finish working
+    virtual void WaitIdle() const = 0;
+
+    /// Allows the CPU/NvFlinger to wait on the GPU before presenting a frame.
+    void WaitFence(u32 syncpoint_id, u32 value) const;
+
     void IncrementSyncPoint(u32 syncpoint_id);
 
     u32 GetSyncpointValue(u32 syncpoint_id) const;

src/video_core/gpu_asynch.cpp

@@ -44,4 +44,8 @@ void GPUAsynch::TriggerCpuInterrupt(const u32 syncpoint_id, const u32 value) con
     interrupt_manager.GPUInterruptSyncpt(syncpoint_id, value);
 }
 
+void GPUAsynch::WaitIdle() const {
+    gpu_thread.WaitIdle();
+}
+
 } // namespace VideoCommon

src/video_core/gpu_asynch.h

@@ -25,6 +25,7 @@ public:
     void FlushRegion(CacheAddr addr, u64 size) override;
     void InvalidateRegion(CacheAddr addr, u64 size) override;
     void FlushAndInvalidateRegion(CacheAddr addr, u64 size) override;
+    void WaitIdle() const override;
 
 protected:
     void TriggerCpuInterrupt(u32 syncpoint_id, u32 value) const override;

src/video_core/gpu_synch.h

@@ -24,6 +24,7 @@ public:
     void FlushRegion(CacheAddr addr, u64 size) override;
     void InvalidateRegion(CacheAddr addr, u64 size) override;
     void FlushAndInvalidateRegion(CacheAddr addr, u64 size) override;
+    void WaitIdle() const override {}
 
 protected:
     void TriggerCpuInterrupt([[maybe_unused]] u32 syncpoint_id,

src/video_core/gpu_thread.cpp

@@ -5,8 +5,6 @@
 #include "common/assert.h"
 #include "common/microprofile.h"
 #include "core/core.h"
-#include "core/core_timing.h"
-#include "core/core_timing_util.h"
 #include "core/frontend/scope_acquire_window_context.h"
 #include "video_core/dma_pusher.h"
 #include "video_core/gpu.h"
@@ -68,14 +66,10 @@ ThreadManager::~ThreadManager() {
 
 void ThreadManager::StartThread(VideoCore::RendererBase& renderer, Tegra::DmaPusher& dma_pusher) {
     thread = std::thread{RunThread, std::ref(renderer), std::ref(dma_pusher), std::ref(state)};
-    synchronization_event = system.CoreTiming().RegisterEvent(
-        "GPUThreadSynch", [this](u64 fence, s64) { state.WaitForSynchronization(fence); });
 }
 
 void ThreadManager::SubmitList(Tegra::CommandList&& entries) {
-    const u64 fence{PushCommand(SubmitListCommand(std::move(entries)))};
-    const s64 synchronization_ticks{Core::Timing::usToCycles(std::chrono::microseconds{9000})};
-    system.CoreTiming().ScheduleEvent(synchronization_ticks, synchronization_event, fence);
+    PushCommand(SubmitListCommand(std::move(entries)));
 }
 
 void ThreadManager::SwapBuffers(const Tegra::FramebufferConfig* framebuffer) {
@@ -96,16 +90,15 @@ void ThreadManager::FlushAndInvalidateRegion(CacheAddr addr, u64 size) {
     InvalidateRegion(addr, size);
 }
 
+void ThreadManager::WaitIdle() const {
+    while (state.last_fence > state.signaled_fence.load()) {
+    }
+}
+
 u64 ThreadManager::PushCommand(CommandData&& command_data) {
     const u64 fence{++state.last_fence};
     state.queue.Push(CommandDataContainer(std::move(command_data), fence));
     return fence;
 }
 
-MICROPROFILE_DEFINE(GPU_wait, "GPU", "Wait for the GPU", MP_RGB(128, 128, 192));
-void SynchState::WaitForSynchronization(u64 fence) {
-    while (signaled_fence.load() < fence)
-        ;
-}
-
 } // namespace VideoCommon::GPUThread

src/video_core/gpu_thread.h

@@ -21,9 +21,6 @@ class DmaPusher;
 
 namespace Core {
 class System;
-namespace Timing {
-struct EventType;
-} // namespace Timing
 } // namespace Core
 
 namespace VideoCommon::GPUThread {
@@ -89,8 +86,6 @@ struct CommandDataContainer {
 struct SynchState final {
     std::atomic_bool is_running{true};
 
-    void WaitForSynchronization(u64 fence);
-
     using CommandQueue = Common::SPSCQueue<CommandDataContainer>;
     CommandQueue queue;
     u64 last_fence{};
@@ -121,6 +116,9 @@ public:
     /// Notify rasterizer that any caches of the specified region should be flushed and invalidated
     void FlushAndInvalidateRegion(CacheAddr addr, u64 size);
 
+    // Wait until the gpu thread is idle.
+    void WaitIdle() const;
+
 private:
     /// Pushes a command to be executed by the GPU thread
     u64 PushCommand(CommandData&& command_data);
@@ -128,7 +126,6 @@ private:
 private:
     SynchState state;
     Core::System& system;
-    Core::Timing::EventType* synchronization_event{};
     std::thread thread;
     std::thread::id thread_id;
 };

src/video_core/renderer_base.cpp

@@ -40,4 +40,35 @@ void RendererBase::RequestScreenshot(void* data, std::function<void()> callback,
     renderer_settings.screenshot_requested = true;
 }
 
+f32 RendererBase::GetCurrentResultantBrightness() const {
+    return renderer_settings.current_brightness / 2.0f;
+}
+
+void RendererBase::SetBacklightStatus(bool enabled, u64 fade_transition_time) {
+    if (fade_transition_time == 0) {
+        // Needed to ensure the renderer recognizes that a change must occur.
+        fade_transition_time = 1;
+    }
+
+    if (enabled && renderer_settings.current_brightness == 0) {
+        renderer_settings.current_brightness = current_brightness_backup;
+        renderer_settings.backlight_fade_time = fade_transition_time;
+    } else if (!enabled && renderer_settings.current_brightness != 0) {
+        current_brightness_backup = renderer_settings.current_brightness;
+        renderer_settings.current_brightness = 0;
+        renderer_settings.backlight_fade_time = fade_transition_time;
+    }
+}
+
+bool RendererBase::GetBacklightStatus() const {
+    return renderer_settings.current_brightness != 0;
+}
+
+void RendererBase::SetCurrentBrightness(f32 value) {
+    if (value != renderer_settings.current_brightness) {
+        renderer_settings.current_brightness = value * 2.0f;
+        renderer_settings.backlight_fade_time = 1;
+    }
+}
+
 } // namespace VideoCore

src/video_core/renderer_base.h

@@ -28,6 +28,10 @@ struct RendererSettings {
     void* screenshot_bits;
     std::function<void()> screenshot_complete_callback;
     Layout::FramebufferLayout screenshot_framebuffer_layout;
+
+    // Backlight & Brightness
+    std::atomic<f32> current_brightness{1.f};
+    std::atomic<u64> backlight_fade_time{0};
 };
 
 class RendererBase : NonCopyable {
@@ -86,6 +90,17 @@ public:
     void RequestScreenshot(void* data, std::function<void()> callback,
                            const Layout::FramebufferLayout& layout);
 
+    // Gets the current brightness, even if it has been changed from the set value. Most of the time
+    // for yuzu this will simply match what was returned, but implementations are free to change the
+    // value in settings.
+    f32 GetCurrentResultantBrightness() const;
+
+    void SetBacklightStatus(bool enabled, u64 fade_transition_time);
+
+    bool GetBacklightStatus() const;
+
+    void SetCurrentBrightness(f32 value);
+
 protected:
     Core::Frontend::EmuWindow& render_window; ///< Reference to the render window handle.
     std::unique_ptr<RasterizerInterface> rasterizer;
@@ -97,6 +112,9 @@ protected:
 private:
     /// Updates the framebuffer layout of the contained render window handle.
     void UpdateCurrentFramebufferLayout();
+
+    // Value of brightness before backlight switch used to preserve value.
+    f32 current_brightness_backup;
 };
 
 } // namespace VideoCore

src/video_core/renderer_opengl/gl_rasterizer.cpp

@@ -348,6 +348,7 @@ static constexpr auto RangeFromInterval(Map& map, const Interval& interval) {
 }
 
 void RasterizerOpenGL::UpdatePagesCachedCount(VAddr addr, u64 size, int delta) {
+    std::lock_guard lock{pages_mutex};
     const u64 page_start{addr >> Memory::PAGE_BITS};
     const u64 page_end{(addr + size + Memory::PAGE_SIZE - 1) >> Memory::PAGE_BITS};
 
@@ -1340,7 +1341,9 @@ void RasterizerOpenGL::SyncPolygonOffset() {
     state.polygon_offset.fill_enable = regs.polygon_offset_fill_enable != 0;
     state.polygon_offset.line_enable = regs.polygon_offset_line_enable != 0;
     state.polygon_offset.point_enable = regs.polygon_offset_point_enable != 0;
-    state.polygon_offset.units = regs.polygon_offset_units;
+
+    // Hardware divides polygon offset units by two
+    state.polygon_offset.units = regs.polygon_offset_units / 2.0f;
     state.polygon_offset.factor = regs.polygon_offset_factor;
     state.polygon_offset.clamp = regs.polygon_offset_clamp;
 

src/video_core/renderer_opengl/gl_rasterizer.h

@@ -9,6 +9,7 @@
 #include <cstddef>
 #include <map>
 #include <memory>
+#include <mutex>
 #include <optional>
 #include <tuple>
 #include <utility>
@@ -230,6 +231,8 @@ private:
 
     using CachedPageMap = boost::icl::interval_map<u64, int>;
     CachedPageMap cached_pages;
+
+    std::mutex pages_mutex;
 };
 
 } // namespace OpenGL

src/video_core/renderer_opengl/renderer_opengl.cpp

@@ -54,11 +54,13 @@ in vec2 frag_tex_coord;
 out vec4 color;
 
 uniform sampler2D color_texture;
+uniform vec4 backlight;
 
 void main() {
     // Swap RGBA -> ABGR so we don't have to do this on the CPU. This needs to change if we have to
     // support more framebuffer pixel formats.
-    color = texture(color_texture, frag_tex_coord);
+    // Also multiply the color by the backlight multiplier supplied.
+    color = texture(color_texture, frag_tex_coord) * backlight;
 }
 )";
 
@@ -102,8 +104,6 @@ RendererOpenGL::RendererOpenGL(Core::Frontend::EmuWindow& emu_window, Core::Syst
 RendererOpenGL::~RendererOpenGL() = default;
 
 void RendererOpenGL::SwapBuffers(const Tegra::FramebufferConfig* framebuffer) {
-    system.GetPerfStats().EndSystemFrame();
-
     // Maintain the rasterizer's state as a priority
     OpenGLState prev_state = OpenGLState::GetCurState();
     state.AllDirty();
@@ -123,8 +123,13 @@ void RendererOpenGL::SwapBuffers(const Tegra::FramebufferConfig* framebuffer) {
         // Load the framebuffer from memory, draw it to the screen, and swap buffers
         LoadFBToScreenInfo(*framebuffer);
 
-        if (renderer_settings.screenshot_requested)
+        if (renderer_settings.screenshot_requested) {
             CaptureScreenshot();
+        }
+
+        if (renderer_settings.backlight_fade_time > 0) {
+            UpdateBacklight();
+        }
 
         DrawScreen(render_window.GetFramebufferLayout());
 
@@ -135,9 +140,6 @@ void RendererOpenGL::SwapBuffers(const Tegra::FramebufferConfig* framebuffer) {
 
     render_window.PollEvents();
 
-    system.FrameLimiter().DoFrameLimiting(system.CoreTiming().GetGlobalTimeUs());
-    system.GetPerfStats().BeginSystemFrame();
-
     // Restore the rasterizer state
     prev_state.AllDirty();
     prev_state.Apply();
@@ -210,9 +212,13 @@ void RendererOpenGL::InitOpenGLObjects() {
     state.Apply();
     uniform_modelview_matrix = glGetUniformLocation(shader.handle, "modelview_matrix");
     uniform_color_texture = glGetUniformLocation(shader.handle, "color_texture");
+    uniform_backlight = glGetUniformLocation(shader.handle, "backlight");
     attrib_position = glGetAttribLocation(shader.handle, "vert_position");
     attrib_tex_coord = glGetAttribLocation(shader.handle, "vert_tex_coord");
 
+    // Initialize backlight
+    glUniform4f(uniform_backlight, 1.f, 1.f, 1.f, 1.f);
+
     // Generate VBO handle for drawing
     vertex_buffer.Create();
 
@@ -421,6 +427,29 @@ void RendererOpenGL::CaptureScreenshot() {
     renderer_settings.screenshot_requested = false;
 }
 
+void RendererOpenGL::UpdateBacklight() {
+    constexpr u64 PER_FRAME_FADE_TIME = 1000000000.0f / 60;
+
+    const auto fade_time = renderer_settings.backlight_fade_time.load(std::memory_order_relaxed);
+    auto value = renderer_settings.current_brightness.load(std::memory_order_relaxed);
+    if (fade_time <= PER_FRAME_FADE_TIME) {
+        glUniform4f(uniform_backlight, value, value, value, value);
+        renderer_settings.backlight_fade_time = 0;
+        fade_time_max = 0;
+    } else {
+        if (fade_time_max == 0) {
+            fade_time_max = fade_time;
+            value_max = value;
+        }
+
+        value += (value_max - value) * PER_FRAME_FADE_TIME / fade_time_max;
+
+        glUniform4f(uniform_backlight, value, value, value, value);
+        renderer_settings.backlight_fade_time -= PER_FRAME_FADE_TIME;
+        renderer_settings.current_brightness = value;
+    }
+}
+
 static const char* GetSource(GLenum source) {
 #define RET(s)                                                                                     \
     case GL_DEBUG_SOURCE_##s:                                                                      \

src/video_core/renderer_opengl/renderer_opengl.h

@@ -70,6 +70,7 @@ private:
     void UpdateFramerate();
 
     void CaptureScreenshot();
+    void UpdateBacklight();
 
     // Loads framebuffer from emulated memory into the display information structure
     void LoadFBToScreenInfo(const Tegra::FramebufferConfig& framebuffer);
@@ -97,6 +98,7 @@ private:
     // Shader uniform location indices
     GLuint uniform_modelview_matrix;
     GLuint uniform_color_texture;
+    GLuint uniform_backlight;
 
     // Shader attribute input indices
     GLuint attrib_position;
@@ -105,6 +107,10 @@ private:
     /// Used for transforming the framebuffer orientation
     Tegra::FramebufferConfig::TransformFlags framebuffer_transform_flags;
     Common::Rectangle<int> framebuffer_crop_rect;
+
+    // Used for backlight transitions
+    u64 fade_time_max = 0;
+    f32 value_max = 0;
 };
 
 } // namespace OpenGL

src/yuzu/configuration/configure_graphics.cpp

@@ -62,6 +62,8 @@ ConfigureGraphics::ConfigureGraphics(QWidget* parent)
         }
         UpdateBackgroundColorButton(new_bg_color);
     });
+    connect(ui->brightness_reset, &QPushButton::pressed, this,
+            [this] { ui->brightness_slider->setValue(100); });
 }
 
 ConfigureGraphics::~ConfigureGraphics() = default;
@@ -80,6 +82,7 @@ void ConfigureGraphics::SetConfiguration() {
     ui->force_30fps_mode->setChecked(Settings::values.force_30fps_mode);
     UpdateBackgroundColorButton(QColor::fromRgbF(Settings::values.bg_red, Settings::values.bg_green,
                                                  Settings::values.bg_blue));
+    ui->brightness_slider->setValue(Settings::values.backlight_brightness * 100 + 50);
 }
 
 void ConfigureGraphics::ApplyConfiguration() {
@@ -93,6 +96,7 @@ void ConfigureGraphics::ApplyConfiguration() {
     Settings::values.bg_red = static_cast<float>(bg_color.redF());
     Settings::values.bg_green = static_cast<float>(bg_color.greenF());
     Settings::values.bg_blue = static_cast<float>(bg_color.blueF());
+    Settings::values.backlight_brightness = (ui->brightness_slider->value() - 50.0f) / 100.0f;
 }
 
 void ConfigureGraphics::changeEvent(QEvent* event) {

src/yuzu/configuration/configure_graphics.ui

@@ -111,6 +111,68 @@
           </item>
          </layout>
         </item>
+        <item>
+         <layout class="QHBoxLayout" name="horizontalLayout_3">
+          <item>
+           <widget class="QLabel" name="label_2">
+            <property name="text">
+             <string>Brightness</string>
+            </property>
+           </widget>
+          </item>
+          <item>
+           <spacer name="horizontalSpacer">
+            <property name="orientation">
+             <enum>Qt::Horizontal</enum>
+            </property>
+            <property name="sizeHint" stdset="0">
+             <size>
+              <width>40</width>
+              <height>20</height>
+             </size>
+            </property>
+           </spacer>
+          </item>
+          <item>
+           <widget class="QSlider" name="brightness_slider">
+            <property name="minimum">
+             <number>50</number>
+            </property>
+            <property name="maximum">
+             <number>150</number>
+            </property>
+            <property name="singleStep">
+             <number>10</number>
+            </property>
+            <property name="pageStep">
+             <number>20</number>
+            </property>
+            <property name="value">
+             <number>100</number>
+            </property>
+            <property name="orientation">
+             <enum>Qt::Horizontal</enum>
+            </property>
+            <property name="tickPosition">
+             <enum>QSlider::NoTicks</enum>
+            </property>
+           </widget>
+          </item>
+          <item>
+           <widget class="QPushButton" name="brightness_reset">
+            <property name="sizePolicy">
+             <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
+              <horstretch>0</horstretch>
+              <verstretch>0</verstretch>
+             </sizepolicy>
+            </property>
+            <property name="text">
+             <string>Reset</string>
+            </property>
+           </widget>
+          </item>
+         </layout>
+        </item>
        </layout>
       </widget>
      </item>