[gamemode] Make available on other platforms (#353)

Signed-off-by: lizzie <lizzie@eden-emu.dev>
Co-authored-by: crueter <crueter@eden-emu.dev>
Co-authored-by: Caio Oliveira <caiooliveirafarias0@gmail.com>
Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/353
Reviewed-by: CamilleLaVey <camillelavey99@gmail.com>
Reviewed-by: Caio Oliveira <caiooliveirafarias0@gmail.com>
Co-authored-by: lizzie <lizzie@eden-emu.dev>
Co-committed-by: lizzie <lizzie@eden-emu.dev>

src/qt_common/CMakeLists.txt

@@ -5,6 +5,9 @@ add_library(qt_common STATIC
     qt_common.h
     qt_common.cpp
 
+    gamemode.cpp
+    gamemode.h
+
     config/uisettings.cpp
     config/uisettings.h
     config/qt_config.cpp
@@ -82,6 +85,7 @@ find_package(frozen)
 
 target_link_libraries(qt_common PRIVATE core Qt6::Core Qt6::Concurrent SimpleIni::SimpleIni QuaZip::QuaZip)
 target_link_libraries(qt_common PUBLIC frozen::frozen-headers)
+target_link_libraries(qt_common PRIVATE gamemode::headers)
 
 if (NOT APPLE AND ENABLE_OPENGL)
     target_compile_definitions(qt_common PUBLIC HAS_OPENGL)

src/qt_common/config/shared_translation.cpp

@@ -433,10 +433,10 @@ std::unique_ptr<TranslationMap> InitializeTranslations(QObject* parent)
            tr("Whether or not to check for updates upon startup."));
 
     // Linux
-    INSERT(Settings, enable_gamemode, tr("Enable Gamemode"), QString());
+    INSERT(UISettings, enable_gamemode, tr("Enable Gamemode"), QString());
 #ifdef __unix__
-    INSERT(Settings, gui_force_x11, tr("Force X11 as Graphics Backend"), QString());
-    INSERT(Settings, gui_hide_backend_warning, QString(), QString());
+    INSERT(UISettings, gui_force_x11, tr("Force X11 as Graphics Backend"), QString());
+    INSERT(UISettings, gui_hide_backend_warning, QString(), QString());
 #endif
 
     // Ui Debugging

src/qt_common/config/uisettings.h

@@ -142,6 +142,19 @@ struct Values {
 
     Setting<bool> check_for_updates{linkage, true, "check_for_updates", Category::UiGeneral};
 
+    // Linux/MinGW may support (requires libdl support)
+    SwitchableSetting<bool> enable_gamemode{linkage,
+#ifndef _MSC_VER
+        true,
+#else
+        false,
+#endif
+        "enable_gamemode", Category::UiGeneral};
+#ifdef __unix__
+    SwitchableSetting<bool> gui_force_x11{linkage, false, "gui_force_x11", Category::UiGeneral};
+    Setting<bool> gui_hide_backend_warning{linkage, false, "gui_hide_backend_warning", Category::UiGeneral};
+#endif
+
     // Discord RPC
     Setting<bool> enable_discord_presence{linkage, false, "enable_discord_presence", Category::Ui};
 

src/qt_common/gamemode.cpp

@@ -0,0 +1,52 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+// While technically available on al *NIX platforms, Linux is only available
+// as the primary target of libgamemode.so - so warnings are suppressed
+#ifdef __unix__
+#include <gamemode_client.h>
+#endif
+#include "qt_common/gamemode.h"
+#include "common/logging/log.h"
+#include "qt_common/config/uisettings.h"
+
+namespace Common::FeralGamemode {
+
+/// @brief Start the gamemode client
+void Start() noexcept {
+    if (UISettings::values.enable_gamemode) {
+#ifdef __unix__
+        if (gamemode_request_start() < 0) {
+#ifdef __linux__
+            LOG_WARNING(Frontend, "{}", gamemode_error_string());
+#else
+            LOG_INFO(Frontend, "{}", gamemode_error_string());
+#endif
+        } else {
+            LOG_INFO(Frontend, "Done");
+        }
+#endif
+    }
+}
+
+/// @brief Stop the gmemode client
+void Stop() noexcept {
+    if (UISettings::values.enable_gamemode) {
+#ifdef __unix__
+        if (gamemode_request_end() < 0) {
+#ifdef __linux__
+            LOG_WARNING(Frontend, "{}", gamemode_error_string());
+#else
+            LOG_INFO(Frontend, "{}", gamemode_error_string());
+#endif
+        } else {
+            LOG_INFO(Frontend, "Done");
+        }
+#endif
+    }
+}
+
+} // namespace Common::Linux

src/qt_common/gamemode.h

@@ -0,0 +1,14 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+namespace Common::FeralGamemode {
+
+void Start() noexcept;
+void Stop() noexcept;
+
+} // namespace Common::FeralGamemode