14 files changed, 189 insertions, 9 deletions

diff --git a/src/common/CMakeLists.txt b/src/common/CMakeLists.txt
index e216eb3de..57cbb9d07 100644
--- a/src/common/CMakeLists.txt
+++ b/src/common/CMakeLists.txt
@@ -174,6 +174,15 @@ if(ANDROID)
     )
 endif()
 
+if (UNIX)
+  target_sources(common PRIVATE
+    linux/gamemode.cpp
+    linux/gamemode.h
+  )
+
+  target_link_libraries(common PRIVATE gamemode)
+endif()
+
 if(ARCHITECTURE_x86_64)
     target_sources(common
         PRIVATE
diff --git a/src/common/linux/gamemode.cpp b/src/common/linux/gamemode.cpp
new file mode 100644
index 000000000..8876d8dc4
--- /dev/null
+++ b/src/common/linux/gamemode.cpp
@@ -0,0 +1,39 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include <gamemode_client.h>
+
+#include "common/linux/gamemode.h"
+#include "common/settings.h"
+
+namespace Common::Linux {
+
+void StartGamemode() {
+    if (Settings::values.enable_gamemode) {
+        if (gamemode_request_start() < 0) {
+            LOG_WARNING(Frontend, "Failed to start gamemode: {}", gamemode_error_string());
+        } else {
+            LOG_INFO(Frontend, "Started gamemode");
+        }
+    }
+}
+
+void StopGamemode() {
+    if (Settings::values.enable_gamemode) {
+        if (gamemode_request_end() < 0) {
+            LOG_WARNING(Frontend, "Failed to stop gamemode: {}", gamemode_error_string());
+        } else {
+            LOG_INFO(Frontend, "Stopped gamemode");
+        }
+    }
+}
+
+void SetGamemodeState(bool state) {
+    if (state) {
+        StartGamemode();
+    } else {
+        StopGamemode();
+    }
+}
+
+} // namespace Common::Linux
diff --git a/src/common/linux/gamemode.h b/src/common/linux/gamemode.h
new file mode 100644
index 000000000..b80646ae2
--- /dev/null
+++ b/src/common/linux/gamemode.h
@@ -0,0 +1,24 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+namespace Common::Linux {
+
+/**
+ * Start the (Feral Interactive) Linux gamemode if it is installed and it is activated
+ */
+void StartGamemode();
+
+/**
+ * Stop the (Feral Interactive) Linux gamemode if it is installed and it is activated
+ */
+void StopGamemode();
+
+/**
+ * Start or stop the (Feral Interactive) Linux gamemode if it is installed and it is activated
+ * @param state The new state the gamemode should have
+ */
+void SetGamemodeState(bool state);
+
+} // namespace Common::Linux
diff --git a/src/common/settings.cpp b/src/common/settings.cpp
index a10131eb2..3e829253f 100644
--- a/src/common/settings.cpp
+++ b/src/common/settings.cpp
@@ -219,6 +219,8 @@ const char* TranslateCategory(Category category) {
         return "Services";
     case Category::Paths:
         return "Paths";
+    case Category::Linux:
+        return "Linux";
     case Category::MaxEnum:
         break;
     }
diff --git a/src/common/settings.h b/src/common/settings.h
index b929fd957..6425cd98f 100644
--- a/src/common/settings.h
+++ b/src/common/settings.h
@@ -429,6 +429,9 @@ struct Values {
                                                    true,
                                                    true};
 
+    // Linux
+    SwitchableSetting<bool> enable_gamemode{linkage, true, "enable_gamemode", Category::Linux};
+
     // Controls
     InputSetting<std::array<PlayerInput, 10>> players;
 
diff --git a/src/common/settings_common.h b/src/common/settings_common.h
index 7943223eb..344c04439 100644
--- a/src/common/settings_common.h
+++ b/src/common/settings_common.h
@@ -41,6 +41,7 @@ enum class Category : u32 {
     Multiplayer,
     Services,
     Paths,
+    Linux,
     MaxEnum,
 };
 
diff --git a/src/yuzu/CMakeLists.txt b/src/yuzu/CMakeLists.txt
index 90278052a..f3ad2214b 100644
--- a/src/yuzu/CMakeLists.txt
+++ b/src/yuzu/CMakeLists.txt
@@ -386,7 +386,7 @@ if (NOT WIN32)
     target_include_directories(yuzu PRIVATE ${Qt${QT_MAJOR_VERSION}Gui_PRIVATE_INCLUDE_DIRS})
 endif()
 if (UNIX AND NOT APPLE)
-    target_link_libraries(yuzu PRIVATE Qt${QT_MAJOR_VERSION}::DBus)
+    target_link_libraries(yuzu PRIVATE Qt${QT_MAJOR_VERSION}::DBus gamemode)
 endif()
 
 target_compile_definitions(yuzu PRIVATE
diff --git a/src/yuzu/configuration/configure_general.cpp b/src/yuzu/configuration/configure_general.cpp
index c727fadd1..701b895e7 100644
--- a/src/yuzu/configuration/configure_general.cpp
+++ b/src/yuzu/configuration/configure_general.cpp
@@ -36,12 +36,29 @@ ConfigureGeneral::~ConfigureGeneral() = default;
 void ConfigureGeneral::SetConfiguration() {}
 
 void ConfigureGeneral::Setup(const ConfigurationShared::Builder& builder) {
-    QLayout& layout = *ui->general_widget->layout();
+    QLayout& general_layout = *ui->general_widget->layout();
+    QLayout& linux_layout = *ui->linux_widget->layout();
 
-    std::map<u32, QWidget*> hold{};
+    std::map<u32, QWidget*> general_hold{};
+    std::map<u32, QWidget*> linux_hold{};
 
-    for (const auto setting :
-         UISettings::values.linkage.by_category[Settings::Category::UiGeneral]) {
+    std::vector<Settings::BasicSetting*> settings;
+
+    auto push = [&settings](auto& list) {
+        for (auto setting : list) {
+            settings.push_back(setting);
+        }
+    };
+
+    push(UISettings::values.linkage.by_category[Settings::Category::UiGeneral]);
+    push(Settings::values.linkage.by_category[Settings::Category::Linux]);
+
+    // Only show Linux group on Unix
+#ifndef __unix__
+    ui->LinuxGroupBox->setVisible(false);
+#endif
+
+    for (const auto setting : settings) {
         auto* widget = builder.BuildWidget(setting, apply_funcs);
 
         if (widget == nullptr) {
@@ -52,11 +69,23 @@ void ConfigureGeneral::Setup(const ConfigurationShared::Builder& builder) {
             continue;
         }
 
-        hold.emplace(setting->Id(), widget);
+        switch (setting->GetCategory()) {
+        case Settings::Category::UiGeneral:
+            general_hold.emplace(setting->Id(), widget);
+            break;
+        case Settings::Category::Linux:
+            linux_hold.emplace(setting->Id(), widget);
+            break;
+        default:
+            widget->deleteLater();
+        }
     }
 
-    for (const auto& [id, widget] : hold) {
-        layout.addWidget(widget);
+    for (const auto& [id, widget] : general_hold) {
+        general_layout.addWidget(widget);
+    }
+    for (const auto& [id, widget] : linux_hold) {
+        linux_layout.addWidget(widget);
     }
 }
 
diff --git a/src/yuzu/configuration/configure_general.ui b/src/yuzu/configuration/configure_general.ui
index a10e7d3a5..ef20891a3 100644
--- a/src/yuzu/configuration/configure_general.ui
+++ b/src/yuzu/configuration/configure_general.ui
@@ -47,6 +47,33 @@
       </widget>
      </item>
      <item>
+      <widget class="QGroupBox" name="LinuxGroupBox">
+       <property name="title">
+        <string>Linux</string>
+       </property>
+       <layout class="QVBoxLayout" name="LinuxVerticalLayout_1">
+        <item>
+         <widget class="QWidget" name="linux_widget" native="true">
+          <layout class="QVBoxLayout" name="LinuxVerticalLayout_2">
+           <property name="leftMargin">
+            <number>0</number>
+           </property>
+           <property name="topMargin">
+            <number>0</number>
+           </property>
+           <property name="rightMargin">
+            <number>0</number>
+           </property>
+           <property name="bottomMargin">
+            <number>0</number>
+           </property>
+          </layout>
+         </widget>
+        </item>
+       </layout>
+      </widget>
+     </item>
+     <item>
       <spacer name="verticalSpacer">
        <property name="orientation">
         <enum>Qt::Vertical</enum>
diff --git a/src/yuzu/configuration/configure_system.ui b/src/yuzu/configuration/configure_system.ui
index 2a735836e..04b771129 100644
--- a/src/yuzu/configuration/configure_system.ui
+++ b/src/yuzu/configuration/configure_system.ui
@@ -57,7 +57,7 @@
       </widget>
      </item>
      <item>
-      <widget class="QGroupBox" name="groupBox">
+      <widget class="QGroupBox" name="coreGroup">
        <property name="title">
         <string>Core</string>
        </property>
diff --git a/src/yuzu/configuration/shared_translation.cpp b/src/yuzu/configuration/shared_translation.cpp
index a7b5def32..ee0ca4aa7 100644
--- a/src/yuzu/configuration/shared_translation.cpp
+++ b/src/yuzu/configuration/shared_translation.cpp
@@ -176,6 +176,9 @@ std::unique_ptr<TranslationMap> InitializeTranslations(QWidget* parent) {
     INSERT(UISettings, controller_applet_disabled, tr("Disable controller applet"),
            QStringLiteral());
 
+    // Linux
+    INSERT(Settings, enable_gamemode, tr("Enable Gamemode"), QStringLiteral());
+
     // Ui Debugging
 
     // Ui Multiplayer
diff --git a/src/yuzu/main.cpp b/src/yuzu/main.cpp
index 31aabb78a..10c788290 100644
--- a/src/yuzu/main.cpp
+++ b/src/yuzu/main.cpp
@@ -17,6 +17,7 @@
 #ifdef __unix__
 #include <csignal>
 #include <sys/socket.h>
+#include "common/linux/gamemode.h"
 #endif
 
 #include <boost/container/flat_set.hpp>
@@ -319,6 +320,7 @@ GMainWindow::GMainWindow(std::unique_ptr<QtConfig> config_, bool has_broken_vulk
       provider{std::make_unique<FileSys::ManualContentProvider>()} {
 #ifdef __unix__
     SetupSigInterrupts();
+    SetGamemodeEnabled(Settings::values.enable_gamemode.GetValue());
 #endif
     system->Initialize();
 
@@ -2120,6 +2122,10 @@ void GMainWindow::OnEmulationStopped() {
 
     discord_rpc->Update();
 
+#ifdef __unix__
+    Common::Linux::StopGamemode();
+#endif
+
     // The emulation is stopped, so closing the window or not does not matter anymore
     disconnect(render_window, &GRenderWindow::Closed, this, &GMainWindow::OnStopGame);
 
@@ -3502,6 +3508,10 @@ void GMainWindow::OnStartGame() {
     play_time_manager->Start();
 
     discord_rpc->Update();
+
+#ifdef __unix__
+    Common::Linux::StartGamemode();
+#endif
 }
 
 void GMainWindow::OnRestartGame() {
@@ -3522,6 +3532,10 @@ void GMainWindow::OnPauseGame() {
     play_time_manager->Stop();
     UpdateMenuState();
     AllowOSSleep();
+
+#ifdef __unix__
+    Common::Linux::StopGamemode();
+#endif
 }
 
 void GMainWindow::OnPauseContinueGame() {
@@ -3803,6 +3817,9 @@ void GMainWindow::OnConfigure() {
     const auto old_theme = UISettings::values.theme;
     const bool old_discord_presence = UISettings::values.enable_discord_presence.GetValue();
     const auto old_language_index = Settings::values.language_index.GetValue();
+#ifdef __unix__
+    const bool old_gamemode = Settings::values.enable_gamemode.GetValue();
+#endif
 
     Settings::SetConfiguringGlobal(true);
     ConfigureDialog configure_dialog(this, hotkey_registry, input_subsystem.get(),
@@ -3864,6 +3881,11 @@ void GMainWindow::OnConfigure() {
     if (UISettings::values.enable_discord_presence.GetValue() != old_discord_presence) {
         SetDiscordEnabled(UISettings::values.enable_discord_presence.GetValue());
     }
+#ifdef __unix__
+    if (Settings::values.enable_gamemode.GetValue() != old_gamemode) {
+        SetGamemodeEnabled(Settings::values.enable_gamemode.GetValue());
+    }
+#endif
 
     if (!multiplayer_state->IsHostingPublicRoom()) {
         multiplayer_state->UpdateCredentials();
@@ -5172,6 +5194,14 @@ void GMainWindow::SetDiscordEnabled([[maybe_unused]] bool state) {
     discord_rpc->Update();
 }
 
+#ifdef __unix__
+void GMainWindow::SetGamemodeEnabled(bool state) {
+    if (emulation_running) {
+        Common::Linux::SetGamemodeState(state);
+    }
+}
+#endif
+
 void GMainWindow::changeEvent(QEvent* event) {
 #ifdef __unix__
     // PaletteChange event appears to only reach so far into the GUI, explicitly asking to
diff --git a/src/yuzu/main.h b/src/yuzu/main.h
index 733d6291e..530e445f9 100644
--- a/src/yuzu/main.h
+++ b/src/yuzu/main.h
@@ -340,6 +340,7 @@ private:
     void SetupSigInterrupts();
     static void HandleSigInterrupt(int);
     void OnSigInterruptNotifierActivated();
+    void SetGamemodeEnabled(bool state);
 #endif
 
 private slots:
diff --git a/src/yuzu_cmd/yuzu.cpp b/src/yuzu_cmd/yuzu.cpp
index 0416d5951..a81635fa4 100644
--- a/src/yuzu_cmd/yuzu.cpp
+++ b/src/yuzu_cmd/yuzu.cpp
@@ -63,6 +63,10 @@ __declspec(dllexport) int AmdPowerXpressRequestHighPerformance = 1;
 }
 #endif
 
+#ifdef __unix__
+#include "common/linux/gamemode.h"
+#endif
+
 static void PrintHelp(const char* argv0) {
     std::cout << "Usage: " << argv0
               << " [options] <filename>\n"
@@ -425,6 +429,10 @@ int main(int argc, char** argv) {
         exit(0);
     });
 
+#ifdef __unix__
+    Common::Linux::StartGamemode();
+#endif
+
     void(system.Run());
     if (system.DebuggerEnabled()) {
         system.InitializeDebugger();
@@ -436,6 +444,10 @@ int main(int argc, char** argv) {
     void(system.Pause());
     system.ShutdownMainProcess();
 
+#ifdef __unix__
+    Common::Linux::StopGamemode();
+#endif
+
     detached_tasks.WaitForAllTasks();
     return 0;
 }