8 files changed, 89 insertions, 1 deletions

diff --git a/src/common/settings.h b/src/common/settings.h
index e75099b89..788020bde 100644
--- a/src/common/settings.h
+++ b/src/common/settings.h
@@ -178,6 +178,8 @@ struct Values {
                                              true,
                                              &use_speed_limit};
 
+    Setting<bool> enable_gamemode{linkage, false, "enable_gamemode", Category::Core};
+
     // Cpu
     SwitchableSetting<CpuAccuracy, true> cpu_accuracy{linkage,           CpuAccuracy::Auto,
                                                       CpuAccuracy::Auto, CpuAccuracy::Paranoid,
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..ce7e17850 100644
--- a/src/yuzu/configuration/configure_general.cpp
+++ b/src/yuzu/configuration/configure_general.cpp
@@ -29,6 +29,9 @@ ConfigureGeneral::ConfigureGeneral(const Core::System& system_,
     if (!Settings::IsConfiguringGlobal()) {
         ui->button_reset_defaults->setVisible(false);
     }
+#ifndef __linux__
+    ui->enable_gamemode->setVisible(false);
+#endif
 }
 
 ConfigureGeneral::~ConfigureGeneral() = default;
diff --git a/src/yuzu/configuration/shared_translation.cpp b/src/yuzu/configuration/shared_translation.cpp
index a7b5def32..903805e75 100644
--- a/src/yuzu/configuration/shared_translation.cpp
+++ b/src/yuzu/configuration/shared_translation.cpp
@@ -175,6 +175,7 @@ std::unique_ptr<TranslationMap> InitializeTranslations(QWidget* parent) {
     INSERT(UISettings, hide_mouse, tr("Hide mouse on inactivity"), QStringLiteral());
     INSERT(UISettings, controller_applet_disabled, tr("Disable controller applet"),
            QStringLiteral());
+    INSERT(UISettings, enable_gamemode, tr("Enable Gamemode"), QStringLiteral());
 
     // Ui Debugging
 
diff --git a/src/yuzu/main.cpp b/src/yuzu/main.cpp
index defe45198..cf61d4258 100644
--- a/src/yuzu/main.cpp
+++ b/src/yuzu/main.cpp
@@ -185,6 +185,10 @@ __declspec(dllexport) int AmdPowerXpressRequestHighPerformance = 1;
 }
 #endif
 
+#ifdef __linux__
+#include <gamemode_client.h>
+#endif
+
 constexpr int default_mouse_hide_timeout = 2500;
 constexpr int default_mouse_center_timeout = 10;
 constexpr int default_input_update_timeout = 1;
@@ -2126,6 +2130,16 @@ void GMainWindow::OnEmulationStopped() {
 
     discord_rpc->Update();
 
+#ifdef __linux__
+    if (UISettings::values.enable_gamemode) {
+        if (gamemode_request_end() < 0) {
+            LOG_WARNING(Frontend, "Failed to stop gamemode: {}", gamemode_error_string());
+        } else {
+            LOG_INFO(Frontend, "Stopped gamemode");
+        }
+    }
+#endif
+
     // The emulation is stopped, so closing the window or not does not matter anymore
     disconnect(render_window, &GRenderWindow::Closed, this, &GMainWindow::OnStopGame);
 
@@ -3504,6 +3518,16 @@ void GMainWindow::OnStartGame() {
     play_time_manager->Start();
 
     discord_rpc->Update();
+
+#ifdef __linux__
+    if (UISettings::values.enable_gamemode) {
+        if (gamemode_request_start() < 0) {
+            LOG_WARNING(Frontend, "Failed to start gamemode: {}", gamemode_error_string());
+        } else {
+            LOG_INFO(Frontend, "Started gamemode");
+        }
+    }
+#endif
 }
 
 void GMainWindow::OnRestartGame() {
@@ -3524,6 +3548,16 @@ void GMainWindow::OnPauseGame() {
     play_time_manager->Stop();
     UpdateMenuState();
     AllowOSSleep();
+
+#ifdef __linux__
+    if (UISettings::values.enable_gamemode) {
+        if (gamemode_request_end() < 0) {
+            LOG_WARNING(Frontend, "Failed to stop gamemode: {}", gamemode_error_string());
+        } else {
+            LOG_INFO(Frontend, "Stopped gamemode");
+        }
+    }
+#endif
 }
 
 void GMainWindow::OnPauseContinueGame() {
@@ -5181,6 +5215,26 @@ void GMainWindow::SetDiscordEnabled([[maybe_unused]] bool state) {
     discord_rpc->Update();
 }
 
+void GMainWindow::SetGamemodeDisabled([[maybe_unused]] bool state) {
+#ifdef __linux__
+    if (emulation_running) {
+        if (state) {
+            if (gamemode_request_end() < 0) {
+                LOG_WARNING(Frontend, "Failed to stop gamemode: {}", gamemode_error_string());
+            } else {
+                LOG_INFO(Frontend, "Stopped gamemode");
+            }
+        } else {
+            if (gamemode_request_start() < 0) {
+                LOG_WARNING(Frontend, "Failed to start gamemode: {}", gamemode_error_string());
+            } else {
+                LOG_INFO(Frontend, "Started gamemode");
+            }
+        }
+    }
+#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/uisettings.h b/src/yuzu/uisettings.h
index 549a39e1b..3e5ddc07a 100644
--- a/src/yuzu/uisettings.h
+++ b/src/yuzu/uisettings.h
@@ -140,6 +140,9 @@ struct Values {
                                       Settings::Specialization::Default,
                                       true,
                                       true};
+    // Gamemode
+    Setting<bool> enable_gamemode{linkage, false, "enable_gamemode", Category::UiGeneral};
+
     Setting<bool> disable_web_applet{linkage, true, "disable_web_applet", Category::Ui};
 
     // Discord RPC
diff --git a/src/yuzu_cmd/CMakeLists.txt b/src/yuzu_cmd/CMakeLists.txt
index fbeba8813..002f3e841 100644
--- a/src/yuzu_cmd/CMakeLists.txt
+++ b/src/yuzu_cmd/CMakeLists.txt
@@ -44,6 +44,7 @@ target_link_libraries(yuzu-cmd PRIVATE SDL2::SDL2 Vulkan::Headers)
 
 if(UNIX AND NOT APPLE)
     install(TARGETS yuzu-cmd)
+    target_link_libraries(yuzu-cmd PRIVATE gamemode)
 endif()
 
 if(WIN32)
diff --git a/src/yuzu_cmd/yuzu.cpp b/src/yuzu_cmd/yuzu.cpp
index 0416d5951..1c3a1809b 100644
--- a/src/yuzu_cmd/yuzu.cpp
+++ b/src/yuzu_cmd/yuzu.cpp
@@ -63,6 +63,10 @@ __declspec(dllexport) int AmdPowerXpressRequestHighPerformance = 1;
 }
 #endif
 
+#ifdef __linux__
+#include <gamemode_client.h>
+#endif
+
 static void PrintHelp(const char* argv0) {
     std::cout << "Usage: " << argv0
               << " [options] <filename>\n"
@@ -425,6 +429,16 @@ int main(int argc, char** argv) {
         exit(0);
     });
 
+#ifdef __linux__
+    if (Settings::values.disable_gamemode) {
+        if (gamemode_request_start() < 0) {
+            LOG_WARNING(Frontend, "Failed to start gamemode: {}", gamemode_error_string());
+        } else {
+            LOG_INFO(Frontend, "Started gamemode");
+        }
+    }
+#endif
+
     void(system.Run());
     if (system.DebuggerEnabled()) {
         system.InitializeDebugger();
@@ -436,6 +450,16 @@ int main(int argc, char** argv) {
     void(system.Pause());
     system.ShutdownMainProcess();
 
+#ifdef __linux__
+    if (Settings::values.disable_gamemode) {
+        if (gamemode_request_end() < 0) {
+            LOG_WARNING(Frontend, "Failed to stop gamemode: {}", gamemode_error_string());
+        } else {
+            LOG_INFO(Frontend, "Stopped gamemode");
+        }
+    }
+#endif
+
     detached_tasks.WaitForAllTasks();
     return 0;
 }