Merge branch 'android-advanced-emulation-settings' into 'master'

cmake(android): Optimize Vulkan Validation Layer handling

See merge request citron/rewrite!21

CMakeLists.txt

@@ -85,19 +85,28 @@ option(ENABLE_OPENSSL "Enable OpenSSL backend for ISslConnection" ${DEFAULT_ENAB
 if (ANDROID AND CITRON_DOWNLOAD_ANDROID_VVL)
     set(vvl_version "sdk-1.3.261.1")
     set(vvl_zip_file "${CMAKE_BINARY_DIR}/externals/vvl-android.zip")
-    if (NOT EXISTS "${vvl_zip_file}")
-        # Download and extract validation layer release to externals directory
-        set(vvl_base_url "https://github.com/KhronosGroup/Vulkan-ValidationLayers/releases/download")
-        file(DOWNLOAD "${vvl_base_url}/${vvl_version}/android-binaries-${vvl_version}-android.zip"
-            "${vvl_zip_file}" SHOW_PROGRESS)
-        execute_process(COMMAND ${CMAKE_COMMAND} -E tar xf "${vvl_zip_file}"
-                        WORKING_DIRECTORY "${CMAKE_BINARY_DIR}/externals")
-    endif()
-
-    # Copy the arm64 binary to src/android/app/main/jniLibs
     set(vvl_lib_path "${CMAKE_CURRENT_SOURCE_DIR}/src/android/app/src/main/jniLibs/arm64-v8a/")
-    file(COPY "${CMAKE_BINARY_DIR}/externals/android-binaries-${vvl_version}/arm64-v8a/libVkLayer_khronos_validation.so"
+    set(vvl_lib_file "${vvl_lib_path}/libVkLayer_khronos_validation.so")
-            DESTINATION "${vvl_lib_path}")
+
+    # Only download and extract if the final library file doesn't exist
+    if (NOT EXISTS "${vvl_lib_file}")
+        if (NOT EXISTS "${vvl_zip_file}")
+            # Download validation layer release to externals directory
+            set(vvl_base_url "https://github.com/KhronosGroup/Vulkan-ValidationLayers/releases/download")
+            file(DOWNLOAD "${vvl_base_url}/${vvl_version}/android-binaries-${vvl_version}-android.zip"
+                "${vvl_zip_file}" SHOW_PROGRESS)
+        endif()
+
+        # Extract if not already extracted
+        if (NOT EXISTS "${CMAKE_BINARY_DIR}/externals/android-binaries-${vvl_version}")
+            execute_process(COMMAND ${CMAKE_COMMAND} -E tar xf "${vvl_zip_file}"
+                            WORKING_DIRECTORY "${CMAKE_BINARY_DIR}/externals")
+        endif()
+
+        # Copy the arm64 binary to src/android/app/main/jniLibs
+        file(COPY "${CMAKE_BINARY_DIR}/externals/android-binaries-${vvl_version}/arm64-v8a/libVkLayer_khronos_validation.so"
+                DESTINATION "${vvl_lib_path}")
+    endif()
 endif()
 
 if (ANDROID)

src/android/app/build.gradle.kts

@@ -28,8 +28,8 @@ val autoVersion = (((System.currentTimeMillis() / 1000) - 1451606400) / 10).toIn
 android {
     namespace = "org.citron.citron_emu"
 
-    compileSdkVersion = "android-34"
+    compileSdkVersion = "android-35"
-    ndkVersion = "26.1.10909125"
+    ndkVersion = "27.2.12479018" // "26.1.10909125"
 
     buildFeatures {
         viewBinding = true
@@ -57,7 +57,8 @@ android {
         // TODO If this is ever modified, change application_id in strings.xml
         applicationId = "org.citron.citron_emu"
         minSdk = 30
-        targetSdk = 34
+        //noinspection EditedTargetSdkVersion
+        targetSdk = 35
         versionName = getGitVersion()
 
         versionCode = if (System.getenv("AUTO_VERSIONED") == "true") {
@@ -106,12 +107,12 @@ android {
 
             resValue("string", "app_name_suffixed", "citron")
             isDefault = true
-            // isShrinkResources = true
+            isShrinkResources = true
             isMinifyEnabled = true
             isDebuggable = false
-            // isJniDebuggable = false
+            isJniDebuggable = false
             proguardFiles(
-                getDefaultProguardFile("proguard-android.txt"),
+                getDefaultProguardFile("proguard-android-optimize.txt"),
                 "proguard-rules.pro"
             )
         }
@@ -124,7 +125,7 @@ android {
             isMinifyEnabled = true
             isDebuggable = true
             proguardFiles(
-                getDefaultProguardFile("proguard-android.txt"),
+                getDefaultProguardFile("proguard-android-optimize.txt"),
                 "proguard-rules.pro"
             )
             versionNameSuffix = "-relWithDebInfo"
@@ -161,7 +162,7 @@ android {
 
     externalNativeBuild {
         cmake {
-            version = "3.22.1"
+            version = "3.31.7"
             path = file("../../../CMakeLists.txt")
         }
     }
@@ -178,10 +179,12 @@ android {
                     "-DCITRON_USE_BUNDLED_VCPKG=ON",
                     "-DCITRON_USE_BUNDLED_FFMPEG=ON",
                     "-DCITRON_ENABLE_LTO=ON",
-                    "-DCMAKE_EXPORT_COMPILE_COMMANDS=ON"
+                    "-DCMAKE_EXPORT_COMPILE_COMMANDS=ON",
+                    "-DCMAKE_POLICY_VERSION_MINIMUM=3.5",
+                    "-DANDROID_SUPPORT_FLEXIBLE_PAGE_SIZES=ON",
                 )
 
-                abiFilters("arm64-v8a", "x86_64")
+                abiFilters("arm64-v8a") // , "x86_64")
             }
         }
     }
@@ -239,7 +242,6 @@ dependencies {
     implementation("io.coil-kt:coil:2.2.2")
     implementation("androidx.core:core-splashscreen:1.0.1")
     implementation("androidx.window:window:1.2.0-beta03")
-    implementation("androidx.constraintlayout:constraintlayout:2.1.4")
     implementation("androidx.swiperefreshlayout:swiperefreshlayout:1.1.0")
     implementation("androidx.navigation:navigation-fragment-ktx:2.7.4")
     implementation("androidx.navigation:navigation-ui-ktx:2.7.4")

src/android/app/src/main/java/org/citron/citron_emu/features/settings/model/BooleanSetting.kt

@@ -1,4 +1,5 @@
 // SPDX-FileCopyrightText: 2023 yuzu Emulator Project
+// SPDX-FileCopyrightText: 2025 citron Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 package org.citron.citron_emu.features.settings.model
@@ -26,7 +27,8 @@ enum class BooleanSetting(override val key: String) : AbstractBooleanSetting {
     SHOW_PERFORMANCE_OVERLAY("show_performance_overlay"),
     SHOW_INPUT_OVERLAY("show_input_overlay"),
     TOUCHSCREEN("touchscreen"),
-    SHOW_THERMAL_OVERLAY("show_thermal_overlay");
+    SHOW_THERMAL_OVERLAY("show_thermal_overlay"),
+    SHOW_RAM_METER("show_ram_meter");
 
     override fun getBoolean(needsGlobal: Boolean): Boolean =
         NativeConfig.getBoolean(key, needsGlobal)

src/android/app/src/main/java/org/citron/citron_emu/features/settings/model/IntSetting.kt

@@ -1,4 +1,5 @@
 // SPDX-FileCopyrightText: 2023 yuzu Emulator Project
+// SPDX-FileCopyrightText: 2025 citron Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 package org.citron.citron_emu.features.settings.model
@@ -26,7 +27,14 @@ enum class IntSetting(override val key: String) : AbstractIntSetting {
     OVERLAY_OPACITY("control_opacity"),
     LOCK_DRAWER("lock_drawer"),
     VERTICAL_ALIGNMENT("vertical_alignment"),
-    FSR_SHARPENING_SLIDER("fsr_sharpening_slider");
+    FSR_SHARPENING_SLIDER("fsr_sharpening_slider"),
+
+    // Zep Zone settings
+    MEMORY_LAYOUT_MODE("memory_layout_mode"),
+    ASTC_DECODE_MODE("accelerate_astc"),
+    ASTC_RECOMPRESSION("astc_recompression"),
+    SHADER_BACKEND("shader_backend"),
+    VRAM_USAGE_MODE("vram_usage_mode");
 
     override fun getInt(needsGlobal: Boolean): Int = NativeConfig.getInt(key, needsGlobal)
 

src/android/app/src/main/java/org/citron/citron_emu/features/settings/model/Settings.kt

@@ -1,4 +1,5 @@
 // SPDX-FileCopyrightText: 2023 yuzu Emulator Project
+// SPDX-FileCopyrightText: 2025 citron Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 package org.citron.citron_emu.features.settings.model
@@ -22,7 +23,8 @@ object Settings {
         SECTION_INPUT_PLAYER_SEVEN,
         SECTION_INPUT_PLAYER_EIGHT,
         SECTION_THEME(R.string.preferences_theme),
-        SECTION_DEBUG(R.string.preferences_debug);
+        SECTION_DEBUG(R.string.preferences_debug),
+        SECTION_ZEP_ZONE(R.string.preferences_zep_zone);
     }
 
     fun getPlayerString(player: Int): String =

src/android/app/src/main/java/org/citron/citron_emu/features/settings/model/view/SettingsItem.kt

@@ -1,4 +1,5 @@
 // SPDX-FileCopyrightText: 2023 yuzu Emulator Project
+// SPDX-FileCopyrightText: 2025 citron Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 package org.citron.citron_emu.features.settings.model.view
@@ -386,6 +387,53 @@ abstract class SettingsItem(
                 override fun reset() = setBoolean(defaultValue)
             }
             put(SwitchSetting(fastmem, R.string.fastmem))
+
+            // Zep Zone Settings
+            put(
+                SingleChoiceSetting(
+                    IntSetting.MEMORY_LAYOUT_MODE,
+                    titleId = R.string.memory_layout_mode,
+                    descriptionId = R.string.memory_layout_mode_description,
+                    choicesId = R.array.memoryLayoutNames,
+                    valuesId = R.array.memoryLayoutValues
+                )
+            )
+            put(
+                SingleChoiceSetting(
+                    IntSetting.ASTC_DECODE_MODE,
+                    titleId = R.string.astc_decode_mode,
+                    descriptionId = R.string.astc_decode_mode_description,
+                    choicesId = R.array.astcDecodeModeNames,
+                    valuesId = R.array.astcDecodeModeValues
+                )
+            )
+            put(
+                SingleChoiceSetting(
+                    IntSetting.ASTC_RECOMPRESSION,
+                    titleId = R.string.astc_recompression,
+                    descriptionId = R.string.astc_recompression_description,
+                    choicesId = R.array.astcRecompressionNames,
+                    valuesId = R.array.astcRecompressionValues
+                )
+            )
+            put(
+                SingleChoiceSetting(
+                    IntSetting.SHADER_BACKEND,
+                    titleId = R.string.shader_backend,
+                    descriptionId = R.string.shader_backend_description,
+                    choicesId = R.array.shaderBackendNames,
+                    valuesId = R.array.shaderBackendValues
+                )
+            )
+            put(
+                SingleChoiceSetting(
+                    IntSetting.VRAM_USAGE_MODE,
+                    titleId = R.string.vram_usage_mode,
+                    descriptionId = R.string.vram_usage_mode_description,
+                    choicesId = R.array.vramUsageModeNames,
+                    valuesId = R.array.vramUsageModeValues
+                )
+            )
         }
     }
 }

src/android/app/src/main/java/org/citron/citron_emu/features/settings/ui/SettingsFragmentPresenter.kt

@@ -1,4 +1,5 @@
 // SPDX-FileCopyrightText: 2023 yuzu Emulator Project
+// SPDX-FileCopyrightText: 2025 citron Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 package org.citron.citron_emu.features.settings.ui
@@ -98,6 +99,7 @@ class SettingsFragmentPresenter(
             MenuTag.SECTION_INPUT_PLAYER_EIGHT -> addInputPlayer(sl, 7)
             MenuTag.SECTION_THEME -> addThemeSettings(sl)
             MenuTag.SECTION_DEBUG -> addDebugSettings(sl)
+            MenuTag.SECTION_ZEP_ZONE -> addZepZoneSettings(sl)
         }
         settingsList = sl
         adapter.submitList(settingsList) {
@@ -141,6 +143,14 @@ class SettingsFragmentPresenter(
                     menuKey = MenuTag.SECTION_DEBUG
                 )
             )
+            add(
+                SubmenuSetting(
+                    titleId = R.string.preferences_zep_zone,
+                    descriptionId = R.string.preferences_zep_zone_description,
+                    iconId = R.drawable.ic_settings,
+                    menuKey = MenuTag.SECTION_ZEP_ZONE
+                )
+            )
             add(
                 RunnableSetting(
                     titleId = R.string.reset_to_default,
@@ -972,4 +982,19 @@ class SettingsFragmentPresenter(
             add(SettingsItem.FASTMEM_COMBINED)
         }
     }
+
+    private fun addZepZoneSettings(sl: ArrayList<SettingsItem>) {
+        sl.apply {
+            add(HeaderSetting(R.string.memory_layout_header))
+            add(IntSetting.MEMORY_LAYOUT_MODE.key)
+
+            add(HeaderSetting(R.string.astc_settings_header))
+            add(IntSetting.ASTC_DECODE_MODE.key)
+            add(IntSetting.ASTC_RECOMPRESSION.key)
+
+            add(HeaderSetting(R.string.advanced_graphics_header))
+            add(IntSetting.SHADER_BACKEND.key)
+            add(IntSetting.VRAM_USAGE_MODE.key)
+        }
+    }
 }

src/android/app/src/main/java/org/citron/citron_emu/fragments/EmulationFragment.kt

@@ -8,9 +8,12 @@ import android.annotation.SuppressLint
 import android.app.AlertDialog
 import android.content.Context
 import android.content.DialogInterface
+import android.content.Intent
+import android.content.IntentFilter
 import android.content.pm.ActivityInfo
 import android.content.res.Configuration
 import android.net.Uri
+import android.os.BatteryManager
 import android.os.Bundle
 import android.os.Handler
 import android.os.Looper
@@ -66,6 +69,7 @@ class EmulationFragment : Fragment(), SurfaceHolder.Callback {
     private var emulationActivity: EmulationActivity? = null
     private var perfStatsUpdater: (() -> Unit)? = null
     private var thermalStatsUpdater: (() -> Unit)? = null
+    private var ramStatsUpdater: (() -> Unit)? = null
 
     private var _binding: FragmentEmulationBinding? = null
     private val binding get() = _binding!!
@@ -374,6 +378,7 @@ class EmulationFragment : Fragment(), SurfaceHolder.Callback {
                 // Setup overlays
                 updateShowFpsOverlay()
                 updateThermalOverlay()
+                updateRamMeterOverlay()
             }
         }
         emulationViewModel.isEmulationStopping.collect(viewLifecycleOwner) {
@@ -381,7 +386,9 @@ class EmulationFragment : Fragment(), SurfaceHolder.Callback {
                 binding.loadingText.setText(R.string.shutting_down)
                 ViewUtils.showView(binding.loadingIndicator)
                 ViewUtils.hideView(binding.inputContainer)
-                ViewUtils.hideView(binding.showFpsText)
+                ViewUtils.hideView(binding.fpsIndicatorView)
+                ViewUtils.hideView(binding.thermalIndicatorView)
+                ViewUtils.hideView(binding.ramMeterView)
             }
         }
         emulationViewModel.drawerOpen.collect(viewLifecycleOwner) {
@@ -486,22 +493,16 @@ class EmulationFragment : Fragment(), SurfaceHolder.Callback {
 
     private fun updateShowFpsOverlay() {
         val showOverlay = BooleanSetting.SHOW_PERFORMANCE_OVERLAY.getBoolean()
-        binding.showFpsText.setVisible(showOverlay)
+        binding.fpsIndicatorView.setVisible(showOverlay)
         if (showOverlay) {
-            val SYSTEM_FPS = 0
             val FPS = 1
-            val FRAMETIME = 2
-            val SPEED = 3
             perfStatsUpdater = {
                 if (emulationViewModel.emulationStarted.value &&
                     !emulationViewModel.isEmulationStopping.value
                 ) {
                     val perfStats = NativeLibrary.getPerfStats()
-                    val cpuBackend = NativeLibrary.getCpuBackend()
-                    val gpuDriver = NativeLibrary.getGpuDriver()
                     if (_binding != null) {
-                        binding.showFpsText.text =
+                        binding.fpsIndicatorView.updateFps(perfStats[FPS].toFloat())
-                            String.format("FPS: %.1f\n%s/%s", perfStats[FPS], cpuBackend, gpuDriver)
                     }
                     perfStatsUpdateHandler.postDelayed(perfStatsUpdater!!, 800)
                 }
@@ -516,26 +517,17 @@ class EmulationFragment : Fragment(), SurfaceHolder.Callback {
 
     private fun updateThermalOverlay() {
         val showOverlay = BooleanSetting.SHOW_THERMAL_OVERLAY.getBoolean()
-        binding.showThermalsText.setVisible(showOverlay)
+        binding.thermalIndicatorView.setVisible(showOverlay)
         if (showOverlay) {
             thermalStatsUpdater = {
                 if (emulationViewModel.emulationStarted.value &&
                     !emulationViewModel.isEmulationStopping.value
                 ) {
-                    val thermalStatus = when (powerManager.currentThermalStatus) {
-                        PowerManager.THERMAL_STATUS_LIGHT -> "😥"
-                        PowerManager.THERMAL_STATUS_MODERATE -> "🥵"
-                        PowerManager.THERMAL_STATUS_SEVERE -> "🔥"
-                        PowerManager.THERMAL_STATUS_CRITICAL,
-                        PowerManager.THERMAL_STATUS_EMERGENCY,
-                        PowerManager.THERMAL_STATUS_SHUTDOWN -> "☢️"
-
-                        else -> "🙂"
-                    }
                     if (_binding != null) {
-                        binding.showThermalsText.text = thermalStatus
+                        val temperature = getBatteryTemperature(requireContext())
+                        binding.thermalIndicatorView.updateTemperature(temperature)
                     }
-                    thermalStatsUpdateHandler.postDelayed(thermalStatsUpdater!!, 1000)
+                    thermalStatsUpdateHandler.postDelayed(thermalStatsUpdater!!, 2000)
                 }
             }
             thermalStatsUpdateHandler.post(thermalStatsUpdater!!)
@@ -546,6 +538,42 @@ class EmulationFragment : Fragment(), SurfaceHolder.Callback {
         }
     }
 
+    private fun updateRamMeterOverlay() {
+        val showOverlay = BooleanSetting.SHOW_RAM_METER.getBoolean()
+        binding.ramMeterView.setVisible(showOverlay)
+        if (showOverlay) {
+            ramStatsUpdater = {
+                if (emulationViewModel.emulationStarted.value &&
+                    !emulationViewModel.isEmulationStopping.value
+                ) {
+                    if (_binding != null) {
+                        binding.ramMeterView.updateRamUsage()
+                    }
+                    ramStatsUpdateHandler.postDelayed(ramStatsUpdater!!, 1500)
+                }
+            }
+            ramStatsUpdateHandler.post(ramStatsUpdater!!)
+        } else {
+            if (ramStatsUpdater != null) {
+                ramStatsUpdateHandler.removeCallbacks(ramStatsUpdater!!)
+            }
+        }
+    }
+
+    private fun getBatteryTemperature(context: Context): Float {
+        return try {
+            val batteryIntent = context.registerReceiver(null, IntentFilter(Intent.ACTION_BATTERY_CHANGED))
+            if (batteryIntent != null) {
+                val temperature = batteryIntent.getIntExtra(BatteryManager.EXTRA_TEMPERATURE, 250)
+                temperature / 10f // Convert from tenths of degrees to degrees
+            } else {
+                25f // Fallback temperature
+            }
+        } catch (e: Exception) {
+            25f // Fallback temperature
+        }
+    }
+
     @SuppressLint("SourceLockedOrientationActivity")
     private fun updateOrientation() {
         emulationActivity?.let {
@@ -676,6 +704,8 @@ class EmulationFragment : Fragment(), SurfaceHolder.Callback {
                 BooleanSetting.SHOW_PERFORMANCE_OVERLAY.getBoolean()
             findItem(R.id.thermal_indicator).isChecked =
                 BooleanSetting.SHOW_THERMAL_OVERLAY.getBoolean()
+            findItem(R.id.ram_meter).isChecked =
+                BooleanSetting.SHOW_RAM_METER.getBoolean()
             findItem(R.id.menu_rel_stick_center).isChecked =
                 BooleanSetting.JOYSTICK_REL_CENTER.getBoolean()
             findItem(R.id.menu_dpad_slide).isChecked = BooleanSetting.DPAD_SLIDE.getBoolean()
@@ -702,6 +732,13 @@ class EmulationFragment : Fragment(), SurfaceHolder.Callback {
                     true
                 }
 
+                R.id.ram_meter -> {
+                    it.isChecked = !it.isChecked
+                    BooleanSetting.SHOW_RAM_METER.setBoolean(it.isChecked)
+                    updateRamMeterOverlay()
+                    true
+                }
+
                 R.id.menu_edit_overlay -> {
                     binding.drawerLayout.close()
                     binding.surfaceInputOverlay.requestFocus()
@@ -1046,5 +1083,6 @@ class EmulationFragment : Fragment(), SurfaceHolder.Callback {
     companion object {
         private val perfStatsUpdateHandler = Handler(Looper.myLooper()!!)
         private val thermalStatsUpdateHandler = Handler(Looper.myLooper()!!)
+        private val ramStatsUpdateHandler = Handler(Looper.myLooper()!!)
     }
 }

src/android/app/src/main/java/org/citron/citron_emu/views/FpsIndicatorView.kt

@@ -0,0 +1,141 @@
+// SPDX-FileCopyrightText: 2025 citron Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+package org.citron.citron_emu.views
+
+import android.content.Context
+import android.graphics.Canvas
+import android.graphics.Color
+import android.graphics.Paint
+import android.graphics.RectF
+import android.graphics.Typeface
+import android.util.AttributeSet
+import android.util.Log
+import android.view.View
+import kotlin.math.roundToInt
+
+class FpsIndicatorView @JvmOverloads constructor(
+    context: Context,
+    attrs: AttributeSet? = null,
+    defStyleAttr: Int = 0
+) : View(context, attrs, defStyleAttr) {
+
+    private val backgroundPaint = Paint(Paint.ANTI_ALIAS_FLAG).apply {
+        color = Color.parseColor("#80000000") // Semi-transparent black
+        style = Paint.Style.FILL
+    }
+
+    private val borderPaint = Paint(Paint.ANTI_ALIAS_FLAG).apply {
+        color = Color.WHITE
+        style = Paint.Style.STROKE
+        strokeWidth = 2f
+    }
+
+    private val textPaint = Paint(Paint.ANTI_ALIAS_FLAG).apply {
+        color = Color.WHITE
+        textSize = 22f
+        typeface = Typeface.DEFAULT_BOLD
+        textAlign = Paint.Align.CENTER
+        setShadowLayer(2f, 1f, 1f, Color.BLACK)
+    }
+
+    private val smallTextPaint = Paint(Paint.ANTI_ALIAS_FLAG).apply {
+        color = Color.WHITE
+        textSize = 16f
+        typeface = Typeface.DEFAULT
+        textAlign = Paint.Align.CENTER
+        setShadowLayer(2f, 1f, 1f, Color.BLACK)
+    }
+
+    private val iconPaint = Paint(Paint.ANTI_ALIAS_FLAG).apply {
+        color = Color.WHITE
+        textSize = 24f
+        textAlign = Paint.Align.CENTER
+        setShadowLayer(2f, 1f, 1f, Color.BLACK)
+    }
+
+    private var currentFps: Float = 0f
+    private val fpsIcon: String = "📊"
+
+    private val backgroundRect = RectF()
+
+    fun updateFps(fps: Float) {
+        try {
+            currentFps = fps
+            Log.d("FpsIndicator", "FPS updated: $currentFps")
+
+            // Update color based on FPS performance
+            val fpsColor = when {
+                currentFps >= 55f -> Color.parseColor("#4CAF50") // Green - Good performance
+                currentFps >= 45f -> Color.parseColor("#FF9800") // Orange - Moderate performance
+                currentFps >= 30f -> Color.parseColor("#FF5722") // Red orange - Poor performance
+                else -> Color.parseColor("#F44336") // Red - Very poor performance
+            }
+
+            textPaint.color = fpsColor
+            smallTextPaint.color = fpsColor
+            borderPaint.color = fpsColor
+
+            // Always invalidate to trigger a redraw
+            invalidate()
+            Log.d("FpsIndicator", "View invalidated, FPS: $currentFps")
+        } catch (e: Exception) {
+            // Fallback in case of any errors
+            currentFps = 0f
+            Log.e("FpsIndicator", "Error updating FPS", e)
+            invalidate()
+        }
+    }
+
+    override fun onMeasure(widthMeasureSpec: Int, heightMeasureSpec: Int) {
+        val desiredWidth = 120
+        val desiredHeight = 60
+
+        val widthMode = MeasureSpec.getMode(widthMeasureSpec)
+        val widthSize = MeasureSpec.getSize(widthMeasureSpec)
+        val heightMode = MeasureSpec.getMode(heightMeasureSpec)
+        val heightSize = MeasureSpec.getSize(heightMeasureSpec)
+
+        val width = when (widthMode) {
+            MeasureSpec.EXACTLY -> widthSize
+            MeasureSpec.AT_MOST -> minOf(desiredWidth, widthSize)
+            else -> desiredWidth
+        }
+
+        val height = when (heightMode) {
+            MeasureSpec.EXACTLY -> heightSize
+            MeasureSpec.AT_MOST -> minOf(desiredHeight, heightSize)
+            else -> desiredHeight
+        }
+
+        setMeasuredDimension(width, height)
+    }
+
+    override fun onSizeChanged(w: Int, h: Int, oldw: Int, oldh: Int) {
+        super.onSizeChanged(w, h, oldw, oldh)
+        backgroundRect.set(4f, 4f, w - 4f, h - 4f)
+    }
+
+    override fun onDraw(canvas: Canvas) {
+        super.onDraw(canvas)
+
+        // Draw background with rounded corners
+        canvas.drawRoundRect(backgroundRect, 12f, 12f, backgroundPaint)
+        canvas.drawRoundRect(backgroundRect, 12f, 12f, borderPaint)
+
+        val centerX = width / 2f
+        val centerY = height / 2f
+
+        // Draw FPS icon on the left
+        canvas.drawText(fpsIcon, 18f, centerY - 8f, iconPaint)
+
+        // Draw FPS value (main text)
+        val fpsText = "${currentFps.roundToInt()}"
+        canvas.drawText(fpsText, centerX, centerY - 8f, textPaint)
+
+        // Draw "FPS" label (smaller text below)
+        canvas.drawText("FPS", centerX, centerY + 12f, smallTextPaint)
+
+        Log.d("FpsIndicator", "onDraw called - FPS: $fpsText")
+    }
+}

src/android/app/src/main/java/org/citron/citron_emu/views/RamMeterView.kt

@@ -0,0 +1,195 @@
+// SPDX-FileCopyrightText: 2025 citron Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+package org.citron.citron_emu.views
+
+import android.app.ActivityManager
+import android.content.Context
+import android.graphics.Canvas
+import android.graphics.Color
+import android.graphics.Paint
+import android.graphics.RectF
+import android.graphics.Typeface
+import android.util.AttributeSet
+import android.util.Log
+import android.view.View
+import kotlin.math.roundToInt
+
+class RamMeterView @JvmOverloads constructor(
+    context: Context,
+    attrs: AttributeSet? = null,
+    defStyleAttr: Int = 0
+) : View(context, attrs, defStyleAttr) {
+
+    private val backgroundPaint = Paint(Paint.ANTI_ALIAS_FLAG).apply {
+        color = Color.parseColor("#80000000") // Semi-transparent black
+        style = Paint.Style.FILL
+    }
+
+    private val borderPaint = Paint(Paint.ANTI_ALIAS_FLAG).apply {
+        color = Color.WHITE
+        style = Paint.Style.STROKE
+        strokeWidth = 2f
+    }
+
+    private val textPaint = Paint(Paint.ANTI_ALIAS_FLAG).apply {
+        color = Color.WHITE
+        textSize = 20f
+        typeface = Typeface.DEFAULT_BOLD
+        textAlign = Paint.Align.CENTER
+        setShadowLayer(2f, 1f, 1f, Color.BLACK)
+    }
+
+    private val smallTextPaint = Paint(Paint.ANTI_ALIAS_FLAG).apply {
+        color = Color.WHITE
+        textSize = 14f
+        typeface = Typeface.DEFAULT
+        textAlign = Paint.Align.CENTER
+        setShadowLayer(2f, 1f, 1f, Color.BLACK)
+    }
+
+    private val iconPaint = Paint(Paint.ANTI_ALIAS_FLAG).apply {
+        color = Color.WHITE
+        textSize = 24f
+        textAlign = Paint.Align.CENTER
+        setShadowLayer(2f, 1f, 1f, Color.BLACK)
+    }
+
+    private val meterBackgroundPaint = Paint(Paint.ANTI_ALIAS_FLAG).apply {
+        color = Color.parseColor("#40FFFFFF") // Semi-transparent white
+        style = Paint.Style.FILL
+    }
+
+    private val meterFillPaint = Paint(Paint.ANTI_ALIAS_FLAG).apply {
+        color = Color.GREEN
+        style = Paint.Style.FILL
+    }
+
+    private var ramUsagePercent: Float = 0f
+    private var usedRamMB: Long = 0L
+    private var totalRamMB: Long = 0L
+    private var ramIcon: String = "🧠"
+
+    private val backgroundRect = RectF()
+    private val meterBackgroundRect = RectF()
+    private val meterFillRect = RectF()
+
+    fun updateRamUsage() {
+        try {
+            val activityManager = context.getSystemService(Context.ACTIVITY_SERVICE) as ActivityManager
+            val memoryInfo = ActivityManager.MemoryInfo()
+            activityManager.getMemoryInfo(memoryInfo)
+
+            totalRamMB = memoryInfo.totalMem / (1024 * 1024)
+            val availableRamMB = memoryInfo.availMem / (1024 * 1024)
+            usedRamMB = totalRamMB - availableRamMB
+            ramUsagePercent = (usedRamMB.toFloat() / totalRamMB.toFloat()) * 100f
+
+            // Update meter color based on usage
+            val meterColor = when {
+                ramUsagePercent < 50f -> Color.parseColor("#4CAF50") // Green
+                ramUsagePercent < 75f -> Color.parseColor("#FF9800") // Orange
+                ramUsagePercent < 90f -> Color.parseColor("#FF5722") // Red orange
+                else -> Color.parseColor("#F44336") // Red
+            }
+
+            meterFillPaint.color = meterColor
+            textPaint.color = meterColor
+            smallTextPaint.color = meterColor
+            borderPaint.color = meterColor
+
+            // Update icon based on usage
+            ramIcon = when {
+                ramUsagePercent < 50f -> "🧠" // Normal brain
+                ramUsagePercent < 75f -> "⚡" // Warning
+                ramUsagePercent < 90f -> "🔥" // Hot
+                else -> "💥" // Critical
+            }
+
+            invalidate()
+            Log.d("RamMeter", "RAM usage updated: ${ramUsagePercent.roundToInt()}% (${usedRamMB}MB/${totalRamMB}MB)")
+        } catch (e: Exception) {
+            Log.e("RamMeter", "Error updating RAM usage", e)
+            ramUsagePercent = 0f
+            usedRamMB = 0L
+            totalRamMB = 0L
+            invalidate()
+        }
+    }
+
+    override fun onMeasure(widthMeasureSpec: Int, heightMeasureSpec: Int) {
+        val desiredWidth = 140
+        val desiredHeight = 60
+
+        val widthMode = MeasureSpec.getMode(widthMeasureSpec)
+        val widthSize = MeasureSpec.getSize(widthMeasureSpec)
+        val heightMode = MeasureSpec.getMode(heightMeasureSpec)
+        val heightSize = MeasureSpec.getSize(heightMeasureSpec)
+
+        val width = when (widthMode) {
+            MeasureSpec.EXACTLY -> widthSize
+            MeasureSpec.AT_MOST -> minOf(desiredWidth, widthSize)
+            else -> desiredWidth
+        }
+
+        val height = when (heightMode) {
+            MeasureSpec.EXACTLY -> heightSize
+            MeasureSpec.AT_MOST -> minOf(desiredHeight, heightSize)
+            else -> desiredHeight
+        }
+
+        setMeasuredDimension(width, height)
+    }
+
+    override fun onSizeChanged(w: Int, h: Int, oldw: Int, oldh: Int) {
+        super.onSizeChanged(w, h, oldw, oldh)
+        backgroundRect.set(4f, 4f, w - 4f, h - 4f)
+
+        // Setup meter rectangles - compact horizontal bar at the bottom
+        val meterLeft = 30f
+        val meterTop = h - 18f
+        val meterRight = w - 10f
+        val meterBottom = h - 10f
+
+        meterBackgroundRect.set(meterLeft, meterTop, meterRight, meterBottom)
+        meterFillRect.set(meterLeft, meterTop, meterRight, meterBottom)
+    }
+
+    override fun onDraw(canvas: Canvas) {
+        super.onDraw(canvas)
+
+        // Draw background with rounded corners
+        canvas.drawRoundRect(backgroundRect, 12f, 12f, backgroundPaint)
+        canvas.drawRoundRect(backgroundRect, 12f, 12f, borderPaint)
+
+        val centerX = width / 2f
+        val centerY = height / 2f
+
+        // Draw RAM icon on the left
+        canvas.drawText(ramIcon, 18f, centerY - 8f, iconPaint)
+
+        // Draw percentage text at the top center
+        val percentText = "${ramUsagePercent.roundToInt()}%"
+        canvas.drawText(percentText, centerX, centerY - 8f, textPaint)
+
+        // Draw memory usage text below percentage
+        val usedGB = usedRamMB / 1024f
+        val totalGB = totalRamMB / 1024f
+        val memoryText = if (totalGB >= 1.0f) {
+            "%.1fGB/%.1fGB".format(usedGB, totalGB)
+        } else {
+            "${usedRamMB}MB/${totalRamMB}MB"
+        }
+        canvas.drawText(memoryText, centerX, centerY + 8f, smallTextPaint)
+
+        // Draw RAM meter background at the bottom
+        canvas.drawRoundRect(meterBackgroundRect, 4f, 4f, meterBackgroundPaint)
+
+        // Draw RAM meter fill
+        val fillWidth = meterBackgroundRect.width() * (ramUsagePercent / 100f)
+        meterFillRect.right = meterBackgroundRect.left + fillWidth
+        canvas.drawRoundRect(meterFillRect, 4f, 4f, meterFillPaint)
+
+        Log.d("RamMeter", "onDraw called - Usage: $percentText, Memory: $memoryText")
+    }
+}

src/android/app/src/main/java/org/citron/citron_emu/views/ThermalIndicatorView.kt

@@ -0,0 +1,159 @@
+// SPDX-FileCopyrightText: 2025 citron Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+package org.citron.citron_emu.views
+
+import android.content.Context
+import android.content.Intent
+import android.content.IntentFilter
+import android.graphics.Canvas
+import android.graphics.Color
+import android.graphics.Paint
+import android.graphics.RectF
+import android.graphics.Typeface
+import android.os.BatteryManager
+import android.util.AttributeSet
+import android.util.Log
+import android.view.View
+import androidx.core.content.ContextCompat
+import org.citron.citron_emu.R
+import kotlin.math.roundToInt
+
+class ThermalIndicatorView @JvmOverloads constructor(
+    context: Context,
+    attrs: AttributeSet? = null,
+    defStyleAttr: Int = 0
+) : View(context, attrs, defStyleAttr) {
+
+    private val backgroundPaint = Paint(Paint.ANTI_ALIAS_FLAG).apply {
+        color = Color.parseColor("#80000000") // Semi-transparent black
+        style = Paint.Style.FILL
+    }
+
+    private val borderPaint = Paint(Paint.ANTI_ALIAS_FLAG).apply {
+        color = Color.WHITE
+        style = Paint.Style.STROKE
+        strokeWidth = 2f
+    }
+
+    private val textPaint = Paint(Paint.ANTI_ALIAS_FLAG).apply {
+        color = Color.WHITE
+        textSize = 22f
+        typeface = Typeface.DEFAULT_BOLD
+        textAlign = Paint.Align.CENTER
+        setShadowLayer(2f, 1f, 1f, Color.BLACK)
+    }
+
+    private val smallTextPaint = Paint(Paint.ANTI_ALIAS_FLAG).apply {
+        color = Color.WHITE
+        textSize = 16f
+        typeface = Typeface.DEFAULT
+        textAlign = Paint.Align.CENTER
+        setShadowLayer(2f, 1f, 1f, Color.BLACK)
+    }
+
+    private val iconPaint = Paint(Paint.ANTI_ALIAS_FLAG).apply {
+        color = Color.WHITE
+        textSize = 24f
+        textAlign = Paint.Align.CENTER
+        setShadowLayer(2f, 1f, 1f, Color.BLACK)
+    }
+
+    private var batteryTemperature: Float = 0f
+    private var thermalStatus: String = "🌡️"
+
+    private val backgroundRect = RectF()
+
+    fun updateTemperature(temperature: Float) {
+        try {
+            batteryTemperature = temperature
+            Log.d("ThermalIndicator", "Battery temperature updated: ${batteryTemperature}°C")
+
+            // Update thermal status icon based on temperature
+            thermalStatus = when {
+                batteryTemperature < 20f -> "❄️"  // Cold
+                batteryTemperature < 30f -> "🌡️"  // Normal
+                batteryTemperature < 40f -> "🔥"  // Warm
+                batteryTemperature < 50f -> "🥵"  // Hot
+                else -> "☢️"  // Critical
+            }
+
+            // Update text color based on temperature
+            val tempColor = when {
+                batteryTemperature < 20f -> Color.parseColor("#87CEEB") // Sky blue
+                batteryTemperature < 30f -> Color.WHITE // White
+                batteryTemperature < 40f -> Color.parseColor("#FFA500") // Orange
+                batteryTemperature < 50f -> Color.parseColor("#FF4500") // Red orange
+                else -> Color.parseColor("#FF0000") // Red
+            }
+
+            textPaint.color = tempColor
+            smallTextPaint.color = tempColor
+            borderPaint.color = tempColor
+
+            // Always invalidate to trigger a redraw
+            invalidate()
+            Log.d("ThermalIndicator", "View invalidated, temperature: ${batteryTemperature}°C, status: $thermalStatus")
+        } catch (e: Exception) {
+            // Fallback in case of any errors
+            batteryTemperature = 25f
+            thermalStatus = "🌡️"
+            Log.e("ThermalIndicator", "Error updating temperature", e)
+            invalidate()
+        }
+    }
+
+    override fun onMeasure(widthMeasureSpec: Int, heightMeasureSpec: Int) {
+        val desiredWidth = 120
+        val desiredHeight = 60
+
+        val widthMode = MeasureSpec.getMode(widthMeasureSpec)
+        val widthSize = MeasureSpec.getSize(widthMeasureSpec)
+        val heightMode = MeasureSpec.getMode(heightMeasureSpec)
+        val heightSize = MeasureSpec.getSize(heightMeasureSpec)
+
+        val width = when (widthMode) {
+            MeasureSpec.EXACTLY -> widthSize
+            MeasureSpec.AT_MOST -> minOf(desiredWidth, widthSize)
+            else -> desiredWidth
+        }
+
+        val height = when (heightMode) {
+            MeasureSpec.EXACTLY -> heightSize
+            MeasureSpec.AT_MOST -> minOf(desiredHeight, heightSize)
+            else -> desiredHeight
+        }
+
+        setMeasuredDimension(width, height)
+    }
+
+    override fun onSizeChanged(w: Int, h: Int, oldw: Int, oldh: Int) {
+        super.onSizeChanged(w, h, oldw, oldh)
+        backgroundRect.set(4f, 4f, w - 4f, h - 4f)
+    }
+
+    override fun onDraw(canvas: Canvas) {
+        super.onDraw(canvas)
+
+        // Draw background with rounded corners
+        canvas.drawRoundRect(backgroundRect, 12f, 12f, backgroundPaint)
+        canvas.drawRoundRect(backgroundRect, 12f, 12f, borderPaint)
+
+        val centerX = width / 2f
+        val centerY = height / 2f
+
+        // Draw thermal icon on the left
+        canvas.drawText(thermalStatus, 18f, centerY - 8f, iconPaint)
+
+        // Draw temperature in Celsius (main temperature)
+        val celsiusText = "${batteryTemperature.roundToInt()}°C"
+        canvas.drawText(celsiusText, centerX, centerY - 8f, textPaint)
+
+        // Draw temperature in Fahrenheit (smaller, below)
+        val fahrenheit = (batteryTemperature * 9f / 5f + 32f).roundToInt()
+        val fahrenheitText = "${fahrenheit}°F"
+        canvas.drawText(fahrenheitText, centerX, centerY + 12f, smallTextPaint)
+
+        Log.d("ThermalIndicator", "onDraw called - Celsius: $celsiusText, Fahrenheit: $fahrenheitText")
+    }
+}

src/android/app/src/main/jni/android_settings.h

@@ -1,4 +1,5 @@
 // SPDX-FileCopyrightText: 2023 yuzu Emulator Project
+// SPDX-FileCopyrightText: 2025 citron Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 #pragma once
@@ -69,6 +70,8 @@ struct Values {
                                                      Settings::Category::Overlay};
     Settings::Setting<bool> show_thermal_overlay{linkage, false, "show_thermal_overlay",
                                                  Settings::Category::Overlay};
+    Settings::Setting<bool> show_ram_meter{linkage, false, "show_ram_meter",
+                                           Settings::Category::Overlay};
     Settings::Setting<bool> show_input_overlay{linkage, true, "show_input_overlay",
                                                Settings::Category::Overlay};
     Settings::Setting<bool> touchscreen{linkage, true, "touchscreen", Settings::Category::Overlay};

src/android/app/src/main/res/layout/fragment_emulation.xml

@@ -143,31 +143,41 @@
             android:layout_marginHorizontal="20dp"
             android:fitsSystemWindows="true">
 
-            <com.google.android.material.textview.MaterialTextView
+            <LinearLayout
-                android:id="@+id/show_fps_text"
-                style="@style/TextAppearance.Material3.BodySmall"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:layout_gravity="left"
+                android:layout_gravity="center_horizontal|top"
-                android:clickable="false"
+                android:layout_marginTop="16dp"
-                android:focusable="false"
+                android:orientation="horizontal"
-                android:textColor="@android:color/white"
+                android:gravity="center">
-                android:shadowColor="@android:color/black"
-                android:shadowRadius="3"
-                tools:ignore="RtlHardcoded" />
 
-            <com.google.android.material.textview.MaterialTextView
+                <org.citron.citron_emu.views.FpsIndicatorView
-                android:id="@+id/show_thermals_text"
+                    android:id="@+id/fps_indicator_view"
-                style="@style/TextAppearance.Material3.BodySmall"
+                    android:layout_width="wrap_content"
-                android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
-                android:layout_height="wrap_content"
+                    android:layout_marginEnd="8dp"
-                android:layout_gravity="right"
+                    android:clickable="false"
-                android:clickable="false"
+                    android:focusable="false"
-                android:focusable="false"
+                    android:visibility="gone" />
-                android:textColor="@android:color/white"
+
-                android:shadowColor="@android:color/black"
+                <org.citron.citron_emu.views.ThermalIndicatorView
-                android:shadowRadius="3"
+                    android:id="@+id/thermal_indicator_view"
-                tools:ignore="RtlHardcoded" />
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_marginEnd="8dp"
+                    android:clickable="false"
+                    android:focusable="false"
+                    android:visibility="gone" />
+
+                <org.citron.citron_emu.views.RamMeterView
+                    android:id="@+id/ram_meter_view"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:clickable="false"
+                    android:focusable="false"
+                    android:visibility="gone" />
+
+            </LinearLayout>
 
         </FrameLayout>
 

src/android/app/src/main/res/menu/menu_overlay_options.xml

@@ -11,6 +11,11 @@
         android:title="@string/emulation_thermal_indicator"
         android:checkable="true" />
 
+    <item
+        android:id="@+id/ram_meter"
+        android:title="@string/emulation_ram_meter"
+        android:checkable="true" />
+
     <item
         android:id="@+id/menu_edit_overlay"
         android:title="@string/emulation_touch_overlay_edit" />

src/android/app/src/main/res/values/arrays.xml

@@ -303,4 +303,71 @@
         <item>2</item>
     </integer-array>
 
+    <!-- Zep Zone setting arrays -->
+    <string-array name="memoryLayoutNames">
+        <item>4GB DRAM (Default)</item>
+        <item>6GB DRAM (Unsafe)</item>
+        <item>8GB DRAM (Unsafe)</item>
+        <item>10GB DRAM (Unsafe)</item>
+        <item>12GB DRAM (Unsafe)</item>
+        <item>14GB DRAM (Unsafe)</item>
+        <item>16GB DRAM (Unsafe)</item>
+    </string-array>
+
+    <integer-array name="memoryLayoutValues">
+        <item>0</item>
+        <item>1</item>
+        <item>2</item>
+        <item>3</item>
+        <item>4</item>
+        <item>5</item>
+        <item>6</item>
+    </integer-array>
+
+    <string-array name="astcDecodeModeNames">
+        <item>CPU</item>
+        <item>GPU</item>
+        <item>CPU Asynchronous</item>
+    </string-array>
+
+    <integer-array name="astcDecodeModeValues">
+        <item>0</item>
+        <item>1</item>
+        <item>2</item>
+    </integer-array>
+
+    <string-array name="astcRecompressionNames">
+        <item>Uncompressed</item>
+        <item>BC1</item>
+        <item>BC3</item>
+    </string-array>
+
+    <integer-array name="astcRecompressionValues">
+        <item>0</item>
+        <item>1</item>
+        <item>2</item>
+    </integer-array>
+
+    <string-array name="shaderBackendNames">
+        <item>GLSL</item>
+        <item>GLASM</item>
+        <item>SPIR-V</item>
+    </string-array>
+
+    <integer-array name="shaderBackendValues">
+        <item>0</item>
+        <item>1</item>
+        <item>2</item>
+    </integer-array>
+
+    <string-array name="vramUsageModeNames">
+        <item>Conservative</item>
+        <item>Aggressive</item>
+    </string-array>
+
+    <integer-array name="vramUsageModeValues">
+        <item>0</item>
+        <item>1</item>
+    </integer-array>
+
 </resources>

src/android/app/src/main/res/values/strings.xml

@@ -410,6 +410,13 @@
     <string name="preferences_theme">Theme and color</string>
     <string name="preferences_debug">Debug</string>
     <string name="preferences_debug_description">CPU/GPU debugging, graphics API, fastmem</string>
+    <string name="preferences_zep_zone">Zep Zone</string>
+    <string name="preferences_zep_zone_description">Advanced emulation settings</string>
+
+    <!-- Zep Zone Headers -->
+    <string name="memory_layout_header">Memory Layout</string>
+    <string name="astc_settings_header">ASTC Settings</string>
+    <string name="advanced_graphics_header">Advanced Graphics</string>
 
     <!-- Game properties -->
     <string name="info">Info</string>
@@ -472,7 +479,8 @@
     <string name="emulation_exit">Exit emulation</string>
     <string name="emulation_done">Done</string>
     <string name="emulation_fps_counter">FPS counter</string>
-    <string name="emulation_thermal_indicator">Thermal indicator</string>
+    <string name="emulation_thermal_indicator">Battery temperature</string>
+    <string name="emulation_ram_meter">RAM usage meter</string>
     <string name="emulation_toggle_controls">Toggle controls</string>
     <string name="emulation_rel_stick_center">Relative stick center</string>
     <string name="emulation_dpad_slide">D-pad slide</string>
@@ -1167,4 +1175,16 @@ OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     </string>
 
+    <!-- Zep Zone settings strings -->
+    <string name="memory_layout_mode">Memory Layout</string>
+    <string name="memory_layout_mode_description">Increases the amount of emulated RAM from the stock 4GB of the retail Switch to the developer kit\'s 8/6GB. It doesn\'t improve stability or performance and is intended to let big texture mods fit in emulated RAM. Enabling it will increase memory use. It is not recommended to enable unless a specific game with a texture mod needs it.</string>
+    <string name="astc_decode_mode">ASTC Decoding Method</string>
+    <string name="astc_decode_mode_description">Controls how ASTC textures are decoded. GPU decoding is faster but may cause issues on some devices.</string>
+    <string name="astc_recompression">ASTC Recompression Method</string>
+    <string name="astc_recompression_description">Controls how ASTC textures are recompressed when GPU doesn\'t support them natively.</string>
+    <string name="shader_backend">Shader Backend</string>
+    <string name="shader_backend_description">Controls which shader backend to use for rendering.</string>
+    <string name="vram_usage_mode">VRAM Usage Mode</string>
+    <string name="vram_usage_mode_description">Controls how aggressively VRAM is used. Conservative mode limits VRAM usage for better stability.</string>
+
 </resources>

src/core/hle/service/sockets/nsd.cpp

@@ -9,8 +9,8 @@
 
 namespace Service::Sockets {
 
-constexpr Result ResultNotImplemented{ErrorModule::NSD, 1}; // Generic "not implemented"
+[[maybe_unused]] constexpr Result ResultNotImplemented{ErrorModule::NSD, 1}; // Generic "not implemented"
-constexpr Result ResultNsdNotInitialized{ErrorModule::NSD, 2}; // Example, if needed
+[[maybe_unused]] constexpr Result ResultNsdNotInitialized{ErrorModule::NSD, 2}; // Example, if needed
 constexpr Result ResultPermissionDenied{ErrorModule::NSD, 3}; // For nsd:a specific calls
 constexpr Result ResultOverflow{ErrorModule::NSD, 6};