14 files changed, 80 insertions, 87 deletions

diff --git a/src/core/hle/kernel/k_affinity_mask.h b/src/core/hle/kernel/k_affinity_mask.h
index b906895fc..cf704ce87 100644
--- a/src/core/hle/kernel/k_affinity_mask.h
+++ b/src/core/hle/kernel/k_affinity_mask.h
@@ -31,8 +31,6 @@ public:
     }
 
     constexpr void SetAffinity(s32 core, bool set) {
-        ASSERT(0 <= core && core < static_cast<s32>(Core::Hardware::NUM_CPU_CORES));
-
         if (set) {
             this->mask |= GetCoreBit(core);
         } else {
diff --git a/src/core/hle/kernel/k_process.cpp b/src/core/hle/kernel/k_process.cpp
index 265ac6fa1..85c506979 100644
--- a/src/core/hle/kernel/k_process.cpp
+++ b/src/core/hle/kernel/k_process.cpp
@@ -146,6 +146,13 @@ ResultCode KProcess::Initialize(KProcess* process, Core::System& system, std::st
     // Open a reference to the resource limit.
     process->resource_limit->Open();
 
+    // Clear remaining fields.
+    process->num_running_threads = 0;
+    process->is_signaled = false;
+    process->exception_thread = nullptr;
+    process->is_suspended = false;
+    process->schedule_count = 0;
+
     return ResultSuccess;
 }
 
@@ -157,20 +164,17 @@ KResourceLimit* KProcess::GetResourceLimit() const {
     return resource_limit;
 }
 
-void KProcess::IncrementThreadCount() {
-    ASSERT(num_threads >= 0);
-    num_created_threads++;
-
-    if (const auto count = ++num_threads; count > peak_num_threads) {
-        peak_num_threads = count;
-    }
+void KProcess::IncrementRunningThreadCount() {
+    ASSERT(num_running_threads.load() >= 0);
+    ++num_running_threads;
 }
 
-void KProcess::DecrementThreadCount() {
-    ASSERT(num_threads > 0);
+void KProcess::DecrementRunningThreadCount() {
+    ASSERT(num_running_threads.load() > 0);
 
-    if (const auto count = --num_threads; count == 0) {
-        LOG_WARNING(Kernel, "Process termination is not fully implemented.");
+    if (const auto prev = num_running_threads--; prev == 1) {
+        // TODO(bunnei): Process termination to be implemented when multiprocess is supported.
+        UNIMPLEMENTED_MSG("KProcess termination is not implemennted!");
     }
 }
 
diff --git a/src/core/hle/kernel/k_process.h b/src/core/hle/kernel/k_process.h
index c2a672021..38b446350 100644
--- a/src/core/hle/kernel/k_process.h
+++ b/src/core/hle/kernel/k_process.h
@@ -235,8 +235,8 @@ public:
         ++schedule_count;
     }
 
-    void IncrementThreadCount();
-    void DecrementThreadCount();
+    void IncrementRunningThreadCount();
+    void DecrementRunningThreadCount();
 
     void SetRunningThread(s32 core, KThread* thread, u64 idle_count) {
         running_threads[core] = thread;
@@ -473,9 +473,7 @@ private:
     bool is_suspended{};
     bool is_initialized{};
 
-    std::atomic<s32> num_created_threads{};
-    std::atomic<u16> num_threads{};
-    u16 peak_num_threads{};
+    std::atomic<u16> num_running_threads{};
 
     std::array<KThread*, Core::Hardware::NUM_CPU_CORES> running_threads{};
     std::array<u64, Core::Hardware::NUM_CPU_CORES> running_thread_idle_counts{};
diff --git a/src/core/hle/kernel/k_thread.cpp b/src/core/hle/kernel/k_thread.cpp
index f42abb8a1..de3ffe0c7 100644
--- a/src/core/hle/kernel/k_thread.cpp
+++ b/src/core/hle/kernel/k_thread.cpp
@@ -215,7 +215,6 @@ ResultCode KThread::Initialize(KThreadFunction func, uintptr_t arg, VAddr user_s
 
         parent = owner;
         parent->Open();
-        parent->IncrementThreadCount();
     }
 
     // Initialize thread context.
@@ -327,11 +326,6 @@ void KThread::Finalize() {
         }
     }
 
-    // Decrement the parent process's thread count.
-    if (parent != nullptr) {
-        parent->DecrementThreadCount();
-    }
-
     // Perform inherited finalization.
     KSynchronizationObject::Finalize();
 }
@@ -1011,7 +1005,7 @@ ResultCode KThread::Run() {
             if (IsUserThread() && IsSuspended()) {
                 this->UpdateState();
             }
-            owner->IncrementThreadCount();
+            owner->IncrementRunningThreadCount();
         }
 
         // Set our state and finish.
@@ -1026,10 +1020,11 @@ ResultCode KThread::Run() {
 void KThread::Exit() {
     ASSERT(this == GetCurrentThreadPointer(kernel));
 
-    // Release the thread resource hint from parent.
+    // Release the thread resource hint, running thread count from parent.
     if (parent != nullptr) {
         parent->GetResourceLimit()->Release(Kernel::LimitableResource::Threads, 0, 1);
         resource_limit_release_hint = true;
+        parent->DecrementRunningThreadCount();
     }
 
     // Perform termination.
diff --git a/src/input_common/drivers/udp_client.cpp b/src/input_common/drivers/udp_client.cpp
index 9aaeb91be..d1cdb1ab2 100644
--- a/src/input_common/drivers/udp_client.cpp
+++ b/src/input_common/drivers/udp_client.cpp
@@ -339,7 +339,7 @@ void UDPClient::StartCommunication(std::size_t client, const std::string& host,
     }
 }
 
-const PadIdentifier UDPClient::GetPadIdentifier(std::size_t pad_index) const {
+PadIdentifier UDPClient::GetPadIdentifier(std::size_t pad_index) const {
     const std::size_t client = pad_index / PADS_PER_CLIENT;
     return {
         .guid = clients[client].uuid,
@@ -348,9 +348,9 @@ const PadIdentifier UDPClient::GetPadIdentifier(std::size_t pad_index) const {
     };
 }
 
-const Common::UUID UDPClient::GetHostUUID(const std::string host) const {
-    const auto ip = boost::asio::ip::address_v4::from_string(host);
-    const auto hex_host = fmt::format("{:06x}", ip.to_ulong());
+Common::UUID UDPClient::GetHostUUID(const std::string& host) const {
+    const auto ip = boost::asio::ip::make_address_v4(host);
+    const auto hex_host = fmt::format("{:06x}", ip.to_uint());
     return Common::UUID{hex_host};
 }
 
diff --git a/src/input_common/drivers/udp_client.h b/src/input_common/drivers/udp_client.h
index 61a1fff37..30d7c2682 100644
--- a/src/input_common/drivers/udp_client.h
+++ b/src/input_common/drivers/udp_client.h
@@ -145,8 +145,8 @@ private:
     void OnPortInfo(Response::PortInfo);
     void OnPadData(Response::PadData, std::size_t client);
     void StartCommunication(std::size_t client, const std::string& host, u16 port);
-    const PadIdentifier GetPadIdentifier(std::size_t pad_index) const;
-    const Common::UUID GetHostUUID(const std::string host) const;
+    PadIdentifier GetPadIdentifier(std::size_t pad_index) const;
+    Common::UUID GetHostUUID(const std::string& host) const;
 
     Common::Input::ButtonNames GetUIButtonName(const Common::ParamPackage& params) const;
 
diff --git a/src/input_common/input_engine.h b/src/input_common/input_engine.h
index 390581c94..fe2faee5a 100644
--- a/src/input_common/input_engine.h
+++ b/src/input_common/input_engine.h
@@ -16,7 +16,7 @@
 
 // Pad Identifier of data source
 struct PadIdentifier {
-    Common::UUID guid{};
+    Common::UUID guid{Common::INVALID_UUID};
     std::size_t port{};
     std::size_t pad{};
 
@@ -89,7 +89,7 @@ struct UpdateCallback {
 
 // Triggered if data changed on the controller and the engine is on configuring mode
 struct MappingCallback {
-    std::function<void(MappingData)> on_data;
+    std::function<void(const MappingData&)> on_data;
 };
 
 // Input Identifier of data source
diff --git a/src/input_common/input_mapping.cpp b/src/input_common/input_mapping.cpp
index 475257f42..a7a6ad8c2 100644
--- a/src/input_common/input_mapping.cpp
+++ b/src/input_common/input_mapping.cpp
@@ -2,14 +2,13 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included
 
-#include "common/common_types.h"
 #include "common/settings.h"
 #include "input_common/input_engine.h"
 #include "input_common/input_mapping.h"
 
 namespace InputCommon {
 
-MappingFactory::MappingFactory() {}
+MappingFactory::MappingFactory() = default;
 
 void MappingFactory::BeginMapping(Polling::InputType type) {
     is_enabled = true;
@@ -19,7 +18,7 @@ void MappingFactory::BeginMapping(Polling::InputType type) {
     second_axis = -1;
 }
 
-[[nodiscard]] const Common::ParamPackage MappingFactory::GetNextInput() {
+Common::ParamPackage MappingFactory::GetNextInput() {
     Common::ParamPackage input;
     input_queue.Pop(input);
     return input;
@@ -57,7 +56,7 @@ void MappingFactory::StopMapping() {
 void MappingFactory::RegisterButton(const MappingData& data) {
     Common::ParamPackage new_input;
     new_input.Set("engine", data.engine);
-    if (data.pad.guid != Common::UUID{}) {
+    if (data.pad.guid.IsValid()) {
         new_input.Set("guid", data.pad.guid.Format());
     }
     new_input.Set("port", static_cast<int>(data.pad.port));
@@ -93,7 +92,7 @@ void MappingFactory::RegisterButton(const MappingData& data) {
 void MappingFactory::RegisterStick(const MappingData& data) {
     Common::ParamPackage new_input;
     new_input.Set("engine", data.engine);
-    if (data.pad.guid != Common::UUID{}) {
+    if (data.pad.guid.IsValid()) {
         new_input.Set("guid", data.pad.guid.Format());
     }
     new_input.Set("port", static_cast<int>(data.pad.port));
@@ -138,7 +137,7 @@ void MappingFactory::RegisterStick(const MappingData& data) {
 void MappingFactory::RegisterMotion(const MappingData& data) {
     Common::ParamPackage new_input;
     new_input.Set("engine", data.engine);
-    if (data.pad.guid != Common::UUID{}) {
+    if (data.pad.guid.IsValid()) {
         new_input.Set("guid", data.pad.guid.Format());
     }
     new_input.Set("port", static_cast<int>(data.pad.port));
diff --git a/src/input_common/input_mapping.h b/src/input_common/input_mapping.h
index 93564b5f8..e0dfbc7ad 100644
--- a/src/input_common/input_mapping.h
+++ b/src/input_common/input_mapping.h
@@ -3,8 +3,14 @@
 // Refer to the license.txt file included
 
 #pragma once
+
+#include "common/param_package.h"
 #include "common/threadsafe_queue.h"
 
+namespace InputCommon::Polling {
+enum class InputType;
+}
+
 namespace InputCommon {
 class InputEngine;
 struct MappingData;
@@ -20,7 +26,7 @@ public:
     void BeginMapping(Polling::InputType type);
 
     /// Returns an input event with mapping information from the input_queue
-    [[nodiscard]] const Common::ParamPackage GetNextInput();
+    [[nodiscard]] Common::ParamPackage GetNextInput();
 
     /**
      * Registers mapping input data from the driver
diff --git a/src/input_common/main.cpp b/src/input_common/main.cpp
index 940744c5f..a4d7ed645 100644
--- a/src/input_common/main.cpp
+++ b/src/input_common/main.cpp
@@ -27,7 +27,7 @@ namespace InputCommon {
 struct InputSubsystem::Impl {
     void Initialize() {
         mapping_factory = std::make_shared<MappingFactory>();
-        MappingCallback mapping_callback{[this](MappingData data) { RegisterInput(data); }};
+        MappingCallback mapping_callback{[this](const MappingData& data) { RegisterInput(data); }};
 
         keyboard = std::make_shared<Keyboard>("keyboard");
         keyboard->SetMappingCallback(mapping_callback);
@@ -284,7 +284,7 @@ struct InputSubsystem::Impl {
 #endif
     }
 
-    void RegisterInput(MappingData data) {
+    void RegisterInput(const MappingData& data) {
         mapping_factory->RegisterInput(data);
     }
 
@@ -394,7 +394,7 @@ void InputSubsystem::BeginMapping(Polling::InputType type) {
     impl->mapping_factory->BeginMapping(type);
 }
 
-const Common::ParamPackage InputSubsystem::GetNextInput() const {
+Common::ParamPackage InputSubsystem::GetNextInput() const {
     return impl->mapping_factory->GetNextInput();
 }
 
diff --git a/src/input_common/main.h b/src/input_common/main.h
index c6f97f691..baf107e0f 100644
--- a/src/input_common/main.h
+++ b/src/input_common/main.h
@@ -126,7 +126,7 @@ public:
     void BeginMapping(Polling::InputType type);
 
     /// Returns an input event with mapping information.
-    [[nodiscard]] const Common::ParamPackage GetNextInput() const;
+    [[nodiscard]] Common::ParamPackage GetNextInput() const;
 
     /// Stop polling from all backends.
     void StopMapping() const;
diff --git a/src/video_core/gpu.h b/src/video_core/gpu.h
index 3188b83ed..26b8ea233 100644
--- a/src/video_core/gpu.h
+++ b/src/video_core/gpu.h
@@ -12,9 +12,6 @@
 #include "video_core/framebuffer_config.h"
 
 namespace Core {
-namespace Frontend {
-class EmuWindow;
-}
 class System;
 } // namespace Core
 
@@ -25,7 +22,6 @@ class ShaderNotify;
 
 namespace Tegra {
 class DmaPusher;
-class CDmaPusher;
 struct CommandList;
 
 enum class RenderTargetFormat : u32 {
@@ -88,15 +84,9 @@ enum class DepthFormat : u32 {
     D32_FLOAT_S8X24_UINT = 0x19,
 };
 
-struct CommandListHeader;
-class DebugContext;
-
 namespace Engines {
-class Fermi2D;
 class Maxwell3D;
-class MaxwellDMA;
 class KeplerCompute;
-class KeplerMemory;
 } // namespace Engines
 
 enum class EngineID {
@@ -190,12 +180,6 @@ public:
     /// Returns a const reference to the GPU DMA pusher.
     [[nodiscard]] const Tegra::DmaPusher& DmaPusher() const;
 
-    /// Returns a reference to the GPU CDMA pusher.
-    [[nodiscard]] Tegra::CDmaPusher& CDmaPusher();
-
-    /// Returns a const reference to the GPU CDMA pusher.
-    [[nodiscard]] const Tegra::CDmaPusher& CDmaPusher() const;
-
     /// Returns a reference to the underlying renderer.
     [[nodiscard]] VideoCore::RendererBase& Renderer();
 
diff --git a/src/video_core/renderer_vulkan/vk_fsr.cpp b/src/video_core/renderer_vulkan/vk_fsr.cpp
index 73629d229..b630090e8 100644
--- a/src/video_core/renderer_vulkan/vk_fsr.cpp
+++ b/src/video_core/renderer_vulkan/vk_fsr.cpp
@@ -214,7 +214,7 @@ VkImageView FSR::Draw(VKScheduler& scheduler, size_t image_index, VkImageView im
 
         {
             VkImageMemoryBarrier fsr_write_barrier = base_barrier;
-            fsr_write_barrier.image = *images[image_index],
+            fsr_write_barrier.image = *images[image_index];
             fsr_write_barrier.oldLayout = VK_IMAGE_LAYOUT_UNDEFINED;
 
             cmdbuf.PipelineBarrier(VK_PIPELINE_STAGE_ALL_COMMANDS_BIT,
diff --git a/src/yuzu/configuration/configure_input_player.cpp b/src/yuzu/configuration/configure_input_player.cpp
index d2132b408..7029287a9 100644
--- a/src/yuzu/configuration/configure_input_player.cpp
+++ b/src/yuzu/configuration/configure_input_player.cpp
@@ -147,7 +147,7 @@ QString ConfigureInputPlayer::ButtonToText(const Common::ParamPackage& param) {
     // Retrieve the names from Qt
     if (param.Get("engine", "") == "keyboard") {
         const QString button_str = GetKeyName(param.Get("code", 0));
-        return QObject::tr("%1%2").arg(toggle, button_str);
+        return QObject::tr("%1%2%3").arg(toggle, inverted, button_str);
     }
 
     if (common_button_name == Common::Input::ButtonNames::Invalid) {
@@ -341,7 +341,7 @@ ConfigureInputPlayer::ConfigureInputPlayer(QWidget* parent, std::size_t player_i
                         emulated_controller->SetButtonParam(button_id, {});
                         button_map[button_id]->setText(tr("[not set]"));
                     });
-                    if (param.Has("button") || param.Has("hat")) {
+                    if (param.Has("code") || param.Has("button") || param.Has("hat")) {
                         context_menu.addAction(tr("Toggle button"), [&] {
                             const bool toggle_value = !param.Get("toggle", false);
                             param.Set("toggle", toggle_value);
@@ -349,8 +349,8 @@ ConfigureInputPlayer::ConfigureInputPlayer(QWidget* parent, std::size_t player_i
                             emulated_controller->SetButtonParam(button_id, param);
                         });
                         context_menu.addAction(tr("Invert button"), [&] {
-                            const bool toggle_value = !param.Get("inverted", false);
-                            param.Set("inverted", toggle_value);
+                            const bool invert_value = !param.Get("inverted", false);
+                            param.Set("inverted", invert_value);
                             button_map[button_id]->setText(ButtonToText(param));
                             emulated_controller->SetButtonParam(button_id, param);
                         });
@@ -510,28 +510,37 @@ ConfigureInputPlayer::ConfigureInputPlayer(QWidget* parent, std::size_t player_i
 
         analog_map_modifier_button[analog_id]->setContextMenuPolicy(Qt::CustomContextMenu);
 
-        connect(analog_map_modifier_button[analog_id], &QPushButton::customContextMenuRequested,
-                [=, this](const QPoint& menu_location) {
-                    QMenu context_menu;
-                    Common::ParamPackage param = emulated_controller->GetStickParam(analog_id);
-                    context_menu.addAction(tr("Clear"), [&] {
-                        param.Set("modifier", "");
-                        analog_map_modifier_button[analog_id]->setText(tr("[not set]"));
-                        emulated_controller->SetStickParam(analog_id, param);
-                    });
-                    context_menu.addAction(tr("Toggle button"), [&] {
-                        Common::ParamPackage modifier_param =
-                            Common::ParamPackage{param.Get("modifier", "")};
-                        const bool toggle_value = !modifier_param.Get("toggle", false);
-                        modifier_param.Set("toggle", toggle_value);
-                        param.Set("modifier", modifier_param.Serialize());
-                        analog_map_modifier_button[analog_id]->setText(
-                            ButtonToText(modifier_param));
-                        emulated_controller->SetStickParam(analog_id, param);
-                    });
-                    context_menu.exec(
-                        analog_map_modifier_button[analog_id]->mapToGlobal(menu_location));
+        connect(
+            analog_map_modifier_button[analog_id], &QPushButton::customContextMenuRequested,
+            [=, this](const QPoint& menu_location) {
+                QMenu context_menu;
+                Common::ParamPackage param = emulated_controller->GetStickParam(analog_id);
+                context_menu.addAction(tr("Clear"), [&] {
+                    param.Set("modifier", "");
+                    analog_map_modifier_button[analog_id]->setText(tr("[not set]"));
+                    emulated_controller->SetStickParam(analog_id, param);
+                });
+                context_menu.addAction(tr("Toggle button"), [&] {
+                    Common::ParamPackage modifier_param =
+                        Common::ParamPackage{param.Get("modifier", "")};
+                    const bool toggle_value = !modifier_param.Get("toggle", false);
+                    modifier_param.Set("toggle", toggle_value);
+                    param.Set("modifier", modifier_param.Serialize());
+                    analog_map_modifier_button[analog_id]->setText(ButtonToText(modifier_param));
+                    emulated_controller->SetStickParam(analog_id, param);
                 });
+                context_menu.addAction(tr("Invert button"), [&] {
+                    Common::ParamPackage modifier_param =
+                        Common::ParamPackage{param.Get("modifier", "")};
+                    const bool invert_value = !modifier_param.Get("inverted", false);
+                    modifier_param.Set("inverted", invert_value);
+                    param.Set("modifier", modifier_param.Serialize());
+                    analog_map_modifier_button[analog_id]->setText(ButtonToText(modifier_param));
+                    emulated_controller->SetStickParam(analog_id, param);
+                });
+                context_menu.exec(
+                    analog_map_modifier_button[analog_id]->mapToGlobal(menu_location));
+            });
 
         connect(analog_map_range_spinbox[analog_id], qOverload<int>(&QSpinBox::valueChanged),
                 [=, this] {