skyline/app/src/main/java/emu/skyline/EmulationActivity.kt

685 lines
27 KiB
Kotlin

/*
* SPDX-License-Identifier: MPL-2.0
* Copyright © 2020 Skyline Team and Contributors (https://github.com/skyline-emu/)
*/
package emu.skyline
import android.annotation.SuppressLint
import android.app.PendingIntent
import android.app.PictureInPictureParams
import android.app.RemoteAction
import android.content.BroadcastReceiver
import android.content.Context
import android.content.Intent
import android.content.IntentFilter
import android.content.res.AssetManager
import android.content.res.Configuration
import android.graphics.PointF
import android.graphics.drawable.Icon
import android.hardware.display.DisplayManager
import android.os.*
import android.util.Log
import android.util.Rational
import android.view.*
import android.widget.Toast
import androidx.activity.OnBackPressedCallback
import androidx.appcompat.app.AppCompatActivity
import androidx.core.content.getSystemService
import androidx.core.view.isGone
import androidx.core.view.isInvisible
import androidx.core.view.updateMargins
import androidx.fragment.app.FragmentTransaction
import com.google.android.material.dialog.MaterialAlertDialogBuilder
import dagger.hilt.android.AndroidEntryPoint
import emu.skyline.BuildConfig
import emu.skyline.applet.swkbd.SoftwareKeyboardConfig
import emu.skyline.applet.swkbd.SoftwareKeyboardDialog
import emu.skyline.data.AppItem
import emu.skyline.data.AppItemTag
import emu.skyline.databinding.EmuActivityBinding
import emu.skyline.input.*
import emu.skyline.loader.RomFile
import emu.skyline.loader.getRomFormat
import emu.skyline.settings.AppSettings
import emu.skyline.settings.EmulationSettings
import emu.skyline.settings.NativeSettings
import emu.skyline.utils.ByteBufferSerializable
import emu.skyline.utils.GpuDriverHelper
import emu.skyline.utils.serializable
import java.nio.ByteBuffer
import java.nio.ByteOrder
import java.util.concurrent.FutureTask
import javax.inject.Inject
import kotlin.math.abs
private const val ActionPause = "${BuildConfig.APPLICATION_ID}.ACTION_EMULATOR_PAUSE"
private const val ActionMute = "${BuildConfig.APPLICATION_ID}.ACTION_EMULATOR_MUTE"
@AndroidEntryPoint
class EmulationActivity : AppCompatActivity(), SurfaceHolder.Callback, View.OnTouchListener, DisplayManager.DisplayListener {
companion object {
private val Tag = EmulationActivity::class.java.simpleName
const val ReturnToMainTag = "returnToMain"
/**
* The Kotlin thread on which emulation code executes
*/
private var emulationThread : Thread? = null
}
private val binding by lazy { EmuActivityBinding.inflate(layoutInflater) }
/**
* The [AppItem] of the app that is being emulated
*/
lateinit var item : AppItem
/**
* The built-in [Vibrator] of the device
*/
lateinit var builtinVibrator : Vibrator
/**
* A map of [Vibrator]s that correspond to [InputManager.controllers]
*/
private var vibrators = HashMap<Int, Vibrator>()
/**
* If the emulation thread should call [returnToMain] or not
*/
@Volatile
private var shouldFinish : Boolean = true
/**
* If the activity should return to [MainActivity] or just call [finishAffinity]
*/
private var returnToMain : Boolean = false
/**
* The desired refresh rate to present at in Hz
*/
private var desiredRefreshRate = 60f
private var isEmulatorPaused = false
private lateinit var pictureInPictureParamsBuilder : PictureInPictureParams.Builder
@Inject
lateinit var appSettings : AppSettings
lateinit var emulationSettings : EmulationSettings
@Inject
lateinit var inputManager : InputManager
lateinit var inputHandler : InputHandler
private var gameSurface : Surface? = null
/**
* This is the entry point into the emulation code for libskyline
*
* @param romUri The URI of the ROM as a string, used to print out in the logs
* @param romType The type of the ROM as an enum value
* @param romFd The file descriptor of the ROM object
* @param nativeSettings The settings to be used by libskyline
* @param publicAppFilesPath The full path to the public app files directory
* @param privateAppFilesPath The full path to the private app files directory
* @param nativeLibraryPath The full path to the app native library directory
* @param assetManager The asset manager used for accessing app assets
*/
private external fun executeApplication(romUri : String, romType : Int, romFd : Int, nativeSettings : NativeSettings, publicAppFilesPath : String, privateAppFilesPath : String, nativeLibraryPath : String, assetManager : AssetManager)
/**
* @param join If the function should only return after all the threads join or immediately
* @return If it successfully caused [emulationThread] to gracefully stop or do so asynchronously when not joined
*/
private external fun stopEmulation(join : Boolean) : Boolean
/**
* This sets the surface object in libskyline to the provided value, emulation is halted if set to null
*
* @param surface The value to set surface to
* @return If the value was successfully set
*/
private external fun setSurface(surface : Surface?) : Boolean
/**
* @param play If the audio should be playing or be stopped till it is resumed by calling this again
*/
private external fun changeAudioStatus(play : Boolean)
var fps : Int = 0
var averageFrametime : Float = 0.0f
var averageFrametimeDeviation : Float = 0.0f
/**
* Writes the current performance statistics into [fps], [averageFrametime] and [averageFrametimeDeviation] fields
*/
private external fun updatePerformanceStatistics()
/**
* @see [InputHandler.initializeControllers]
*/
@Suppress("unused")
private fun initializeControllers() {
inputHandler.initializeControllers()
inputHandler.initialiseMotionSensors(this)
}
/**
* Forces a 60Hz refresh rate for the primary display when [enable] is true, otherwise selects the highest available refresh rate
*/
private fun force60HzRefreshRate(enable : Boolean) {
// Hack for MIUI devices since they don't support the standard Android APIs
try {
val setFpsIntent = Intent("com.miui.powerkeeper.SET_ACTIVITY_FPS")
setFpsIntent.putExtra("package_name", "skyline.emu")
setFpsIntent.putExtra("isEnter", enable)
sendBroadcast(setFpsIntent)
} catch (_ : Exception) {
}
@Suppress("DEPRECATION") val display = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) display!! else windowManager.defaultDisplay
if (enable)
display?.supportedModes?.minByOrNull { abs(it.refreshRate - 60f) }?.let { window.attributes.preferredDisplayModeId = it.modeId }
else
display?.supportedModes?.maxByOrNull { it.refreshRate }?.let { window.attributes.preferredDisplayModeId = it.modeId }
}
/**
* Return from emulation to either [MainActivity] or the activity on the back stack
*/
@SuppressWarnings("WeakerAccess")
fun returnFromEmulation() {
if (shouldFinish) {
runOnUiThread {
if (shouldFinish) {
shouldFinish = false
if (returnToMain)
startActivity(Intent(applicationContext, MainActivity::class.java).setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP))
Process.killProcess(Process.myPid())
}
}
}
}
/**
* @note Any caller has to handle the application potentially being restarted with the supplied intent
*/
private fun executeApplication(intent : Intent) {
if (emulationThread?.isAlive == true) {
shouldFinish = false
if (stopEmulation(false))
emulationThread!!.join(250)
if (emulationThread!!.isAlive) {
finishAffinity()
startActivity(intent)
Runtime.getRuntime().exit(0)
}
}
shouldFinish = true
returnToMain = intent.getBooleanExtra(ReturnToMainTag, false)
val rom = item.uri
val romType = item.format.ordinal
@SuppressLint("Recycle")
val romFd = contentResolver.openFileDescriptor(rom, "r")!!
GpuDriverHelper.ensureFileRedirectDir(this)
emulationThread = Thread {
executeApplication(rom.toString(), romType, romFd.detachFd(), NativeSettings(this, emulationSettings), applicationContext.getPublicFilesDir().canonicalPath + "/", applicationContext.filesDir.canonicalPath + "/", applicationInfo.nativeLibraryDir + "/", assets)
returnFromEmulation()
}
emulationThread!!.start()
}
/**
* Populates the [item] member with data from the intent
*/
private fun populateAppItem() {
val intentItem = intent.serializable(AppItemTag) as AppItem?
if (intentItem != null) {
item = intentItem
return
}
// The intent did not contain an app item, fall back to the data URI
val uri = intent.data!!
val romFormat = getRomFormat(uri, contentResolver)
val romFile = RomFile(this, romFormat, uri, EmulationSettings.global.systemLanguage)
item = AppItem(romFile.takeIf { it.valid }!!.appEntry)
}
@SuppressLint("SetTextI18n", "ClickableViewAccessibility")
override fun onCreate(savedInstanceState : Bundle?) {
super.onCreate(savedInstanceState)
populateAppItem()
emulationSettings = EmulationSettings.forEmulation(item.titleId ?: item.key())
requestedOrientation = emulationSettings.orientation
window.attributes.layoutInDisplayCutoutMode = WindowManager.LayoutParams.LAYOUT_IN_DISPLAY_CUTOUT_MODE_SHORT_EDGES
inputHandler = InputHandler(inputManager, emulationSettings)
setContentView(binding.root)
builtinVibrator = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
val vibratorManager = getSystemService(Context.VIBRATOR_MANAGER_SERVICE) as VibratorManager
vibratorManager.defaultVibrator
} else {
@Suppress("DEPRECATION")
getSystemService(Context.VIBRATOR_SERVICE) as Vibrator
}
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
// Android might not allow child views to overlap the system bars
// Override this behavior and force content to extend into the cutout area
window.setDecorFitsSystemWindows(false)
window.insetsController?.let {
it.systemBarsBehavior = WindowInsetsController.BEHAVIOR_SHOW_TRANSIENT_BARS_BY_SWIPE
it.hide(WindowInsets.Type.systemBars())
}
}
if (emulationSettings.respectDisplayCutout) {
binding.perfStats.setOnApplyWindowInsetsListener(insetsOrMarginHandler)
binding.onScreenControllerToggle.setOnApplyWindowInsetsListener(insetsOrMarginHandler)
}
pictureInPictureParamsBuilder = getPictureInPictureBuilder()
setPictureInPictureParams(pictureInPictureParamsBuilder.build())
binding.gameView.holder.addCallback(this)
binding.gameView.setAspectRatio(
when (emulationSettings.aspectRatio) {
0 -> Rational(16, 9)
1 -> Rational(21, 9)
else -> null
}
)
if (emulationSettings.perfStats) {
if (emulationSettings.disableFrameThrottling)
binding.perfStats.setTextColor(getColor(R.color.colorPerfStatsSecondary))
binding.perfStats.apply {
postDelayed(object : Runnable {
override fun run() {
updatePerformanceStatistics()
text = "$fps FPS\n${"%.1f".format(averageFrametime)}±${"%.2f".format(averageFrametimeDeviation)}ms"
postDelayed(this, 250)
}
}, 250)
}
}
force60HzRefreshRate(!emulationSettings.maxRefreshRate)
getSystemService<DisplayManager>()?.registerDisplayListener(this, null)
if (!emulationSettings.isGlobal && emulationSettings.useCustomSettings)
Toast.makeText(this, getString(R.string.per_game_settings_active_message), Toast.LENGTH_SHORT).show()
binding.gameView.setOnTouchListener(this)
// Hide on screen controls when first controller is not set
binding.onScreenControllerView.apply {
vibrator = builtinVibrator
controllerType = inputHandler.getFirstControllerType()
isGone = controllerType == ControllerType.None || !appSettings.onScreenControl
setOnButtonStateChangedListener(::onButtonStateChanged)
setOnStickStateChangedListener(::onStickStateChanged)
hapticFeedback = appSettings.onScreenControl && appSettings.onScreenControlFeedback
recenterSticks = appSettings.onScreenControlRecenterSticks
}
binding.onScreenControllerToggle.apply {
isGone = binding.onScreenControllerView.isGone
setOnClickListener { binding.onScreenControllerView.isInvisible = !binding.onScreenControllerView.isInvisible }
}
binding.onScreenPauseToggle.apply {
isGone = binding.onScreenControllerView.isGone
setOnClickListener {
if (isEmulatorPaused) {
resumeEmulator()
binding.onScreenPauseToggle.setImageResource(R.drawable.ic_pause)
} else {
pauseEmulator()
binding.onScreenPauseToggle.setImageResource(R.drawable.ic_play)
}
}
}
executeApplication(intent!!)
}
@SuppressWarnings("WeakerAccess")
fun pauseEmulator() {
if (isEmulatorPaused) return
setSurface(null)
changeAudioStatus(false)
isEmulatorPaused = true
}
@SuppressWarnings("WeakerAccess")
fun resumeEmulator() {
gameSurface?.let { setSurface(it) }
changeAudioStatus(!emulationSettings.isAudioOutputDisabled)
isEmulatorPaused = false
}
override fun onPause() {
super.onPause()
if (emulationSettings.forceMaxGpuClocks)
GpuDriverHelper.forceMaxGpuClocks(false)
pauseEmulator()
}
override fun onStart() {
super.onStart()
onBackPressedDispatcher.addCallback(object : OnBackPressedCallback(true) {
override fun handleOnBackPressed() {
returnFromEmulation()
}
})
}
override fun onResume() {
super.onResume()
resumeEmulator()
GpuDriverHelper.forceMaxGpuClocks(emulationSettings.forceMaxGpuClocks)
if (Build.VERSION.SDK_INT <= Build.VERSION_CODES.R) {
@Suppress("DEPRECATION")
window.decorView.systemUiVisibility = (View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY
or View.SYSTEM_UI_FLAG_LAYOUT_STABLE
or View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
or View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
or View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
or View.SYSTEM_UI_FLAG_FULLSCREEN)
}
}
private fun getPictureInPictureBuilder() : PictureInPictureParams.Builder {
val pictureInPictureParamsBuilder = PictureInPictureParams.Builder()
val pictureInPictureActions : MutableList<RemoteAction> = mutableListOf()
val pendingFlags = PendingIntent.FLAG_UPDATE_CURRENT or PendingIntent.FLAG_IMMUTABLE
val pauseIcon = Icon.createWithResource(this, R.drawable.ic_pause)
val pausePendingIntent = PendingIntent.getBroadcast(this, R.drawable.ic_pause, Intent(ActionPause), pendingFlags)
val pauseRemoteAction = RemoteAction(pauseIcon, getString(R.string.pause), getString(R.string.pause), pausePendingIntent)
pictureInPictureActions.add(pauseRemoteAction)
val muteIcon = Icon.createWithResource(this, R.drawable.ic_volume_mute)
val mutePendingIntent = PendingIntent.getBroadcast(this, R.drawable.ic_volume_mute, Intent(ActionMute), pendingFlags)
val muteRemoteAction = RemoteAction(muteIcon, getString(R.string.mute), getString(R.string.mute), mutePendingIntent)
pictureInPictureActions.add(muteRemoteAction)
pictureInPictureParamsBuilder.setActions(pictureInPictureActions)
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S)
pictureInPictureParamsBuilder.setAutoEnterEnabled(true)
setPictureInPictureParams(pictureInPictureParamsBuilder.build())
return pictureInPictureParamsBuilder
}
private var pictureInPictureReceiver = object : BroadcastReceiver() {
override fun onReceive(context : Context?, intent : Intent) {
if (intent.action == ActionPause)
pauseEmulator()
else if (intent.action == ActionMute)
changeAudioStatus(false)
}
}
override fun onPictureInPictureModeChanged(isInPictureInPictureMode: Boolean, newConfig: Configuration) {
super.onPictureInPictureModeChanged(isInPictureInPictureMode, newConfig)
if (isInPictureInPictureMode) {
IntentFilter().apply {
addAction(ActionPause)
addAction(ActionMute)
}.also {
registerReceiver(pictureInPictureReceiver, it)
}
binding.onScreenControllerView.isGone = true
binding.onScreenControllerToggle.isGone = true
binding.onScreenPauseToggle.isGone = true
} else {
try {
unregisterReceiver(pictureInPictureReceiver)
} catch (ignored : Exception) { }
resumeEmulator()
binding.onScreenControllerView.apply {
controllerType = inputHandler.getFirstControllerType()
isGone = controllerType == ControllerType.None || !appSettings.onScreenControl
}
binding.onScreenControllerToggle.apply {
isGone = binding.onScreenControllerView.isGone
}
binding.onScreenPauseToggle.apply {
isGone = binding.onScreenControllerView.isGone
}
}
}
/**
* Stop the currently executing ROM and replace it with the one specified in the new intent
*/
override fun onNewIntent(intent : Intent?) {
super.onNewIntent(intent!!)
if (getIntent().data != intent.data) {
setIntent(intent)
executeApplication(intent)
}
}
override fun onUserLeaveHint() {
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.S && !isInPictureInPictureMode)
enterPictureInPictureMode(pictureInPictureParamsBuilder.build())
}
override fun onDestroy() {
super.onDestroy()
shouldFinish = false
// Stop forcing 60Hz on exit to allow the skyline UI to run at high refresh rates
getSystemService<DisplayManager>()?.unregisterDisplayListener(this)
force60HzRefreshRate(false)
if (emulationSettings.forceMaxGpuClocks)
GpuDriverHelper.forceMaxGpuClocks(false)
stopEmulation(false)
vibrators.forEach { (_, vibrator) -> vibrator.cancel() }
vibrators.clear()
}
override fun surfaceCreated(holder : SurfaceHolder) {
Log.d(Tag, "surfaceCreated Holder: $holder")
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R)
// Note: We need FRAME_RATE_COMPATIBILITY_FIXED_SOURCE as there will be a degradation of user experience with FRAME_RATE_COMPATIBILITY_DEFAULT due to game speed alterations when the frame rate doesn't match the display refresh rate
holder.surface.setFrameRate(desiredRefreshRate, if (emulationSettings.maxRefreshRate) Surface.FRAME_RATE_COMPATIBILITY_DEFAULT else Surface.FRAME_RATE_COMPATIBILITY_FIXED_SOURCE)
while (emulationThread!!.isAlive)
if (setSurface(holder.surface)) {
gameSurface = holder.surface
return
}
}
/**
* This is purely used for debugging surface changes
*/
override fun surfaceChanged(holder : SurfaceHolder, format : Int, width : Int, height : Int) {
Log.d(Tag, "surfaceChanged Holder: $holder, Format: $format, Width: $width, Height: $height")
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R)
holder.surface.setFrameRate(desiredRefreshRate, if (emulationSettings.maxRefreshRate) Surface.FRAME_RATE_COMPATIBILITY_DEFAULT else Surface.FRAME_RATE_COMPATIBILITY_FIXED_SOURCE)
}
override fun surfaceDestroyed(holder : SurfaceHolder) {
Log.d(Tag, "surfaceDestroyed Holder: $holder")
while (emulationThread!!.isAlive)
if (setSurface(null)) {
gameSurface = null
return
}
}
override fun dispatchKeyEvent(event : KeyEvent) : Boolean {
return if (inputHandler.handleKeyEvent(event)) true else super.dispatchKeyEvent(event)
}
override fun dispatchGenericMotionEvent(event : MotionEvent) : Boolean {
return if (inputHandler.handleMotionEvent(event)) true else super.dispatchGenericMotionEvent(event)
}
@SuppressLint("ClickableViewAccessibility")
override fun onTouch(view : View, event : MotionEvent) : Boolean {
return inputHandler.handleTouchEvent(view, event)
}
private fun onButtonStateChanged(buttonId : ButtonId, state : ButtonState) = InputHandler.setButtonState(0, buttonId.value, state.state)
private fun onStickStateChanged(stickId : StickId, position : PointF) {
InputHandler.setAxisValue(0, stickId.xAxis.ordinal, (position.x * Short.MAX_VALUE).toInt())
InputHandler.setAxisValue(0, stickId.yAxis.ordinal, (-position.y * Short.MAX_VALUE).toInt()) // Y is inverted, since drawing starts from top left
}
@SuppressLint("WrongConstant")
@Suppress("unused")
fun vibrateDevice(index : Int, timing : LongArray, amplitude : IntArray) {
val vibrator = if (vibrators[index] != null) {
vibrators[index]
} else {
inputManager.controllers[index]!!.rumbleDeviceDescriptor?.let {
if (it == Controller.BuiltinRumbleDeviceDescriptor) {
vibrators[index] = builtinVibrator
builtinVibrator
} else {
for (id in InputDevice.getDeviceIds()) {
val device = InputDevice.getDevice(id)
if (device.descriptor == inputManager.controllers[index]!!.rumbleDeviceDescriptor) {
val vibrator = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
device.vibratorManager.defaultVibrator
} else {
@Suppress("DEPRECATION")
device.vibrator!!
}
vibrators[index] = vibrator
return@let vibrator
}
}
return@let null
}
}
}
vibrator?.let {
val effect = VibrationEffect.createWaveform(timing, amplitude, 0)
it.vibrate(effect)
}
}
@Suppress("unused")
fun clearVibrationDevice(index : Int) {
vibrators[index]?.cancel()
}
@Suppress("unused")
fun showKeyboard(buffer : ByteBuffer, initialText : String) : SoftwareKeyboardDialog? {
buffer.order(ByteOrder.LITTLE_ENDIAN)
val config = ByteBufferSerializable.createFromByteBuffer(SoftwareKeyboardConfig::class, buffer) as SoftwareKeyboardConfig
val keyboardDialog = SoftwareKeyboardDialog.newInstance(config, initialText)
runOnUiThread {
val transaction = supportFragmentManager.beginTransaction()
transaction.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN)
transaction
.add(android.R.id.content, keyboardDialog)
.addToBackStack(null)
.commit()
}
return keyboardDialog
}
@Suppress("unused")
fun waitForSubmitOrCancel(dialog : SoftwareKeyboardDialog) : Array<Any?> {
return dialog.waitForSubmitOrCancel().let { arrayOf(if (it.cancelled) 1 else 0, it.text) }
}
@Suppress("unused")
fun closeKeyboard(dialog : SoftwareKeyboardDialog) {
runOnUiThread { dialog.dismiss() }
}
@Suppress("unused")
fun showValidationResult(dialog : SoftwareKeyboardDialog, validationResult : Int, message : String) : Int {
val confirm = validationResult == SoftwareKeyboardDialog.validationConfirm
var accepted = false
val validatorResult = FutureTask { return@FutureTask accepted }
runOnUiThread {
val builder = MaterialAlertDialogBuilder(dialog.requireContext())
builder.setMessage(message)
builder.setPositiveButton(if (confirm) getString(android.R.string.ok) else getString(android.R.string.cancel)) { _, _ -> accepted = confirm }
if (confirm)
builder.setNegativeButton(getString(android.R.string.cancel)) { _, _ -> }
builder.setOnDismissListener { validatorResult.run() }
builder.show()
}
return if (validatorResult.get()) 0 else 1
}
/**
* @return A version code in Vulkan's format with 14-bit patch + 10-bit major and minor components
*/
@ExperimentalUnsignedTypes
@Suppress("unused")
fun getVersionCode() : Int {
val (major, minor, patch) = BuildConfig.VERSION_NAME.split('-')[0].split('.').map { it.toUInt() }
return ((major shl 22) or (minor shl 12) or (patch)).toInt()
}
private val insetsOrMarginHandler = View.OnApplyWindowInsetsListener { view, insets ->
insets.displayCutout?.let {
val defaultHorizontalMargin = view.resources.getDimensionPixelSize(R.dimen.onScreenItemHorizontalMargin)
val left = if (it.safeInsetLeft == 0) defaultHorizontalMargin else it.safeInsetLeft
val right = if (it.safeInsetRight == 0) defaultHorizontalMargin else it.safeInsetRight
val params = view.layoutParams as ViewGroup.MarginLayoutParams
params.updateMargins(left = left, right = right)
view.layoutParams = params
}
insets
}
override fun onDisplayChanged(displayId : Int) {
@Suppress("DEPRECATION")
val display = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) display!! else windowManager.defaultDisplay
if (display.displayId == displayId)
force60HzRefreshRate(!emulationSettings.maxRefreshRate)
}
override fun onDisplayAdded(displayId : Int) {}
override fun onDisplayRemoved(displayId : Int) {}
}