Mac msync

public/locales/en/translation.json

@@ -318,6 +318,7 @@
         },
         "general": "Sync with EGL if you have a working installation of the Epic Games Launcher elsewhere and want to import your games to avoid downloading them again.",
         "mangohud": "MangoHUD is an overlay that displays and monitors FPS, temperatures, CPU/GPU load and other system resources.",
+        "msync": "Msync aims to reduce wineserver overhead in CPU-intensive games. Enabling may improve performance on supported Linux kernels.",
         "other": {
             "part4": "Use the ",
             "part5": "Game Arguments",
@@ -654,6 +655,7 @@
         "maxRecentGames": "Played Recently to Show",
         "maxworkers": "Maximum Number of Workers when downloading",
         "minimize-on-launch": "Minimize Heroic After Game Launch",
+        "msync": "Enable Msync",
         "offlinemode": "Run Game Offline",
         "prefered_language": "Prefered Language (Language Code)",
         "preferSystemLibs": "Prefer system libraries",

src/backend/config.ts

@@ -313,6 +313,7 @@ class GlobalConfigV0 extends GlobalConfig {
       wineVersion: defaultWine,
       enableEsync: true,
       enableFsync: isLinux,
+      enableMsync: isMac,
       eacRuntime: isLinux,
       battlEyeRuntime: isLinux,
       framelessWindow: false

src/backend/launcher.ts

@@ -569,10 +569,17 @@ function setupWineEnvVars(gameSettings: GameSettings, gameId = '0') {
   if (!gameSettings.enableEsync && wineVersion.type === 'proton') {
     ret.PROTON_NO_ESYNC = '1'
   }
-  if (gameSettings.enableFsync && wineVersion.type !== 'proton') {
+  if (gameSettings.enableMsync && isMac) {
+    ret.WINEMSYNC = '1'
+    // This is to solve a problem with d3dmetal
+    if (wineVersion.type === 'toolkit') {
+      ret.WINEESYNC = '1'
+    }
+  }
+  if (isLinux && gameSettings.enableFsync && wineVersion.type !== 'proton') {
     ret.WINEFSYNC = '1'
   }
-  if (!gameSettings.enableFsync && wineVersion.type === 'proton') {
+  if (isLinux && !gameSettings.enableFsync && wineVersion.type === 'proton') {
     ret.PROTON_NO_FSYNC = '1'
   }
   if (wineVersion.type === 'proton') {
@@ -585,14 +592,18 @@ function setupWineEnvVars(gameSettings: GameSettings, gameId = '0') {
       ret.PROTON_DISABLE_NVAPI = '1'
     }
   }
-  if (gameSettings.autoInstallDxvkNvapi && wineVersion.type === 'wine') {
+  if (
+    isLinux &&
+    gameSettings.autoInstallDxvkNvapi &&
+    wineVersion.type === 'wine'
+  ) {
     ret.DXVK_ENABLE_NVAPI = '1'
     ret.DXVK_NVAPI_ALLOW_OTHER_DRIVERS = '1'
   }
-  if (gameSettings.eacRuntime) {
+  if (isLinux && gameSettings.eacRuntime) {
     ret.PROTON_EAC_RUNTIME = join(runtimePath, 'eac_runtime')
   }
-  if (gameSettings.battlEyeRuntime) {
+  if (isLinux && gameSettings.battlEyeRuntime) {
     ret.PROTON_BATTLEYE_RUNTIME = join(runtimePath, 'battleye_runtime')
   }
   if (wineVersion.type === 'proton') {

src/common/types.ts

@@ -171,6 +171,7 @@ export interface GameSettings {
   enableDXVKFpsLimit: boolean
   enableEsync: boolean
   enableFSR: boolean
+  enableMsync: boolean
   enableFsync: boolean
   gamescope: GameScopeSettings
   enviromentOptions: EnviromentVariable[]

src/frontend/screens/Settings/components/EnableMsync.tsx

@@ -0,0 +1,42 @@
+import ContextProvider from 'frontend/state/ContextProvider'
+import React, { useContext } from 'react'
+import { useTranslation } from 'react-i18next'
+import SettingsContext from '../SettingsContext'
+import useSetting from 'frontend/hooks/useSetting'
+import { ToggleSwitch } from 'frontend/components/UI'
+import { FontAwesomeIcon } from '@fortawesome/react-fontawesome'
+import { faCircleInfo } from '@fortawesome/free-solid-svg-icons'
+
+const EnableMsync = () => {
+  const { t } = useTranslation()
+  const { platform } = useContext(ContextProvider)
+  const { isMacNative } = useContext(SettingsContext)
+  const isMac = platform === 'darwin'
+  const [enableMsync, setEnableMsync] = useSetting('enableMsync', false)
+
+  if (!isMac || isMacNative) {
+    return <></>
+  }
+
+  return (
+    <div className="toggleRow">
+      <ToggleSwitch
+        htmlId="msyncToggle"
+        value={enableMsync || false}
+        handleChange={() => setEnableMsync(!enableMsync)}
+        title={t('setting.msync', 'Enable Msync')}
+      />
+
+      <FontAwesomeIcon
+        className="helpIcon"
+        icon={faCircleInfo}
+        title={t(
+          'help.msync',
+          'Msync aims to reduce wineserver overhead in CPU-intensive games. Enabling may improve performance on supported Linux kernels.'
+        )}
+      />
+    </div>
+  )
+}
+
+export default EnableMsync

src/frontend/screens/Settings/sections/GamesSettings/index.tsx

@@ -42,6 +42,7 @@ import SyncSaves from '../SyncSaves'
 import FooterInfo from '../FooterInfo'
 import { Tabs, Tab } from '@mui/material'
 import { GameInfo } from 'common/types'
+import EnableMsync from '../../components/EnableMsync'
 
 type TabPanelProps = {
   children?: React.ReactNode
@@ -201,6 +202,7 @@ export default function GamesSettings() {
             )}
             <EnableEsync />
             <EnableFsync />
+            <EnableMsync />
             <EnableFSR />
             <EnableDXVKFpsLimit />
             <Tools />