i implode

Signed-off-by: lizzie <lizzie@eden-emu.dev>

src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/ui/SettingsFragmentPresenter.kt

@@ -99,12 +99,7 @@ class SettingsFragmentPresenter(
 
             add(BooleanSetting.RENDERER_FRAME_GEN.key)
             add(IntSetting.RENDERER_FRAME_GEN_TARGET_RATE.key)
-            if (IntSetting.RENDERER_FRAME_GEN_TARGET_RATE.getInt(
-                    getNeedsGlobalForKey(IntSetting.RENDERER_FRAME_GEN_TARGET_RATE.key)
-                ) == 0
-            ) {
-                add(IntSetting.RENDERER_FRAME_GEN_MULTIPLIER.key)
-            }
+            add(IntSetting.RENDERER_FRAME_GEN_MULTIPLIER.key)
             add(IntSetting.RENDERER_FRAME_GEN_QUEUE_TARGET.key)
             add(BooleanSetting.RENDERER_FRAME_GEN_FLOW_SCALE_AUTO.key)
             if (!BooleanSetting.RENDERER_FRAME_GEN_FLOW_SCALE_AUTO.getBoolean(
@@ -312,6 +307,8 @@ class SettingsFragmentPresenter(
     // TODO(crueter): sub-submenus?
     private fun addGraphicsSettings(sl: ArrayList<SettingsItem>) {
         sl.apply {
+            // add(IntSetting.RENDERER_NVDEC_EMULATION.key)
+
             add(IntSetting.RENDERER_RESOLUTION.key)
             add(IntSetting.RENDERER_VSYNC.key)
             add(IntSetting.RENDERER_SCALING_FILTER.key)
@@ -328,7 +325,6 @@ class SettingsFragmentPresenter(
             add(IntSetting.MAX_ANISOTROPY.key)
             add(IntSetting.RENDERER_VRAM_USAGE_MODE.key)
             add(IntSetting.RENDERER_ASTC_DECODE_METHOD.key)
-            add(IntSetting.RENDERER_NVDEC_EMULATION.key)
 
             add(BooleanSetting.SYNC_MEMORY_OPERATIONS.key)
             add(BooleanSetting.RENDERER_USE_DISK_SHADER_CACHE.key)

src/android/app/src/main/java/org/yuzu/yuzu_emu/ui/GamesFragment.kt

@@ -18,7 +18,6 @@ import androidx.activity.result.contract.ActivityResultContracts
 import androidx.appcompat.app.AppCompatActivity
 import androidx.core.view.ViewCompat
 import androidx.core.view.WindowInsetsCompat
-import androidx.core.view.doOnPreDraw
 import androidx.core.view.updatePadding
 import androidx.core.widget.doOnTextChanged
 import androidx.fragment.app.Fragment
@@ -60,10 +59,6 @@ class GamesFragment : Fragment() {
 
     private var lastViewType: Int = GameAdapter.VIEW_TYPE_GRID
     private var fallbackBottomInset: Int = 0
-    private var pendingPostReloadListSettle = false
-    private var pendingPostReloadListSettleGeneration = 0
-    private var gameListSubmitGeneration = 0
-    private var committedGameListSubmitGeneration = 0
 
     companion object {
         private const val SEARCH_TEXT = "SearchText"
@@ -173,9 +168,10 @@ class GamesFragment : Fragment() {
 
         gamesViewModel.shouldScrollAfterReload.collect(viewLifecycleOwner) { shouldScroll ->
             if (shouldScroll) {
-                pendingPostReloadListSettle = true
-                pendingPostReloadListSettleGeneration = gameListSubmitGeneration
-                schedulePostReloadListSettle()
+                binding.gridGames.post {
+                    (binding.gridGames as? CarouselRecyclerView)?.pendingScrollAfterReload = true
+                    gameAdapter.notifyDataSetChanged()
+                }
                 gamesViewModel.setShouldScrollAfterReload(false)
             }
         }
@@ -277,42 +273,11 @@ class GamesFragment : Fragment() {
             lastSearchText = currentSearchText
             lastFilter = currentFilter
         } else {
-            submitGameList(games)
+            ((binding.gridGames as? RecyclerView)?.adapter as? GameAdapter)?.submitList(games)
             gamesViewModel.setFilteredGames(games)
         }
     }
 
-    private fun submitGameList(games: List<Game>) {
-        val adapter = (binding.gridGames as? RecyclerView)?.adapter as? GameAdapter
-        if (adapter == null) {
-            schedulePostReloadListSettle()
-            return
-        }
-
-        val submitGeneration = ++gameListSubmitGeneration
-        adapter.submitList(games) {
-            if (committedGameListSubmitGeneration < submitGeneration) {
-                committedGameListSubmitGeneration = submitGeneration
-            }
-            schedulePostReloadListSettle()
-        }
-    }
-
-
-    private fun schedulePostReloadListSettle() {
-        if (!pendingPostReloadListSettle || _binding == null) return
-
-        binding.gridGames.doOnPreDraw {
-            if (!pendingPostReloadListSettle || _binding == null) return@doOnPreDraw
-            if (committedGameListSubmitGeneration < pendingPostReloadListSettleGeneration) {
-                schedulePostReloadListSettle()
-                return@doOnPreDraw
-            }
-            pendingPostReloadListSettle = false
-
-            (binding.gridGames as? CarouselRecyclerView)?.refreshView()
-        }
-    }
     private fun setupTopView() {
         binding.searchText.doOnTextChanged() { text: CharSequence?, _: Int, _: Int, _: Int ->
             if (text.toString().isNotEmpty()) {
@@ -449,7 +414,9 @@ class GamesFragment : Fragment() {
 
         val searchTerm = binding.searchText.text.toString().lowercase(Locale.getDefault())
         if (searchTerm.isEmpty()) {
-            submitGameList(filteredList)
+            ((binding.gridGames as? RecyclerView)?.adapter as? GameAdapter)?.submitList(
+                filteredList
+            )
             gamesViewModel.setFilteredGames(filteredList)
             return
         }
@@ -465,7 +432,7 @@ class GamesFragment : Fragment() {
             }
         }.sortedByDescending { it.score }.map { it.item }
 
-        submitGameList(sortedList)
+        ((binding.gridGames as? RecyclerView)?.adapter as? GameAdapter)?.submitList(sortedList)
         gamesViewModel.setFilteredGames(sortedList)
     }
 

src/android/app/src/main/java/org/yuzu/yuzu_emu/utils/GameHelper.kt

@@ -31,7 +31,6 @@ object GameHelper {
 
     fun getGames(): List<Game> {
         val games = mutableListOf<Game>()
-        val gamesByProgramId = mutableMapOf<String, Game>()
         val context = YuzuApplication.appContext
         preferences = PreferenceManager.getDefaultSharedPreferences(context)
 
@@ -64,7 +63,6 @@ object GameHelper {
 
                 addGamesRecursive(
                     games,
-                    gamesByProgramId,
                     FileUtil.listFiles(gameDirUri),
                     scanDepth,
                     mountedContainerUris
@@ -138,7 +136,6 @@ object GameHelper {
 
     private fun addGamesRecursive(
         games: MutableList<Game>,
-        gamesByProgramId: MutableMap<String, Game>,
         files: Array<MinimalDocumentFile>,
         depth: Int,
         mountedContainerUris: MutableSet<String>
@@ -151,7 +148,6 @@ object GameHelper {
             if (it.isDirectory) {
                 addGamesRecursive(
                     games,
-                    gamesByProgramId,
                     FileUtil.listFiles(it.uri),
                     depth - 1,
                     mountedContainerUris
@@ -160,9 +156,8 @@ object GameHelper {
                 val extension = FileUtil.getExtension(it.uri).lowercase()
                 val filePath = it.uri.toString()
 
-                val mountedContainer = externalContentExtensions.contains(extension) &&
-                    mountedContainerUris.add(filePath)
-                if (mountedContainer) {
+                if (externalContentExtensions.contains(extension) &&
+                    mountedContainerUris.add(filePath)) {
                     NativeLibrary.addGameFolderFileToFilesystemProvider(filePath)
                 }
 
@@ -170,20 +165,6 @@ object GameHelper {
                     val game = getGame(it.uri, true, false)
                     if (game != null) {
                         games.add(game)
-                        if (game.programId != "0") {
-                            gamesByProgramId[game.programId] = game
-                        }
-                    } else if (mountedContainer) {
-                        GameMetadata.getProgramId(filePath).toLongOrNull()?.let { programId ->
-                            gamesByProgramId[(programId and 0x800L.inv()).toString()]
-                        }?.let { existingGame ->
-                            NativeLibrary.getPatchesForFile(existingGame.path, existingGame.programId)
-                            existingGame.version = GameMetadata.getVersion(
-                                existingGame.path,
-                                true
-                            )
-                            GameIconUtils.refreshGameIcon(existingGame)
-                        }
                     }
                 }
             }

src/android/app/src/main/java/org/yuzu/yuzu_emu/utils/GameIconUtils.kt

@@ -1,6 +1,3 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: 2023 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -27,15 +24,6 @@ import coil.request.Options
 import org.yuzu.yuzu_emu.R
 import org.yuzu.yuzu_emu.YuzuApplication
 import org.yuzu.yuzu_emu.model.Game
-import java.util.Collections
-import java.util.WeakHashMap
-
-private val gameIconHashes = Collections.synchronizedMap(mutableMapOf<String, Int>())
-private val gameIconTargets = Collections.synchronizedMap(WeakHashMap<ImageView, GameIconTarget>())
-
-private fun Game.iconCacheKey(): String = "$path|$version"
-
-private data class GameIconTarget(val game: Game, var iconHash: Int? = null)
 
 class GameIconFetcher(
     private val game: Game,
@@ -43,15 +31,14 @@ class GameIconFetcher(
 ) : Fetcher {
     override suspend fun fetch(): FetchResult {
         return DrawableResult(
-            drawable = decodeGameIcon(game)!!.toDrawable(options.context.resources),
+            drawable = decodeGameIcon(game.path)!!.toDrawable(options.context.resources),
             isSampled = false,
             dataSource = DataSource.DISK
         )
     }
 
-    private fun decodeGameIcon(game: Game): Bitmap? {
-        val data = GameMetadata.getIcon(game.path)
-        gameIconHashes[game.iconCacheKey()] = data.contentHashCode()
+    private fun decodeGameIcon(uri: String): Bitmap? {
+        val data = GameMetadata.getIcon(uri)
         return BitmapFactory.decodeByteArray(
             data,
             0,
@@ -67,7 +54,7 @@ class GameIconFetcher(
 }
 
 class GameIconKeyer : Keyer<Game> {
-    override fun key(data: Game, options: Options): String = data.iconCacheKey()
+    override fun key(data: Game, options: Options): String = data.path
 }
 
 object GameIconUtils {
@@ -84,58 +71,14 @@ object GameIconUtils {
         .build()
 
     fun loadGameIcon(game: Game, imageView: ImageView) {
-        gameIconTargets[imageView] = GameIconTarget(game)
         val request = ImageRequest.Builder(YuzuApplication.appContext)
             .data(game)
             .target(imageView)
             .error(R.drawable.default_icon)
-            .listener(
-                onSuccess = { _, _ ->
-                    val target = gameIconTargets[imageView]
-                    if (target?.game?.iconCacheKey() == game.iconCacheKey()) {
-                        gameIconHashes[game.iconCacheKey()]?.let {
-                            target.iconHash = it
-                        }
-                    }
-                },
-                onError = { _, _ ->
-                    gameIconTargets[imageView]?.iconHash = null
-                }
-            )
             .build()
         imageLoader.enqueue(request)
     }
 
-    fun refreshGameIcon(game: Game) {
-        val targets = synchronized(gameIconTargets) {
-            gameIconTargets
-                .filterValues { it.game.path == game.path && it.game.programId == game.programId }
-                .keys
-                .toList()
-        }
-        if (targets.isEmpty()) {
-            return
-        }
-
-        val iconHash = GameMetadata.getIcon(game.path).contentHashCode()
-        val targetsToRefresh = targets.filter { gameIconTargets[it]?.iconHash != iconHash }
-        if (targetsToRefresh.isEmpty()) {
-            return
-        }
-
-        imageLoader.memoryCache?.remove(MemoryCache.Key(game.iconCacheKey()))
-        targetsToRefresh.forEach { imageView ->
-            imageView.post {
-                val target = gameIconTargets[imageView] ?: return@post
-                if (target.game.path == game.path && target.game.programId == game.programId) {
-                    if (target.iconHash != iconHash) {
-                        loadGameIcon(game, imageView)
-                    }
-                }
-            }
-        }
-    }
-
     suspend fun getGameIcon(lifecycleOwner: LifecycleOwner, game: Game): Bitmap {
         val request = ImageRequest.Builder(YuzuApplication.appContext)
             .data(game)

src/android/app/src/main/java/org/yuzu/yuzu_emu/views/CarouselRecyclerView.kt

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 package org.yuzu.yuzu_emu.ui
@@ -11,8 +11,6 @@ import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.PagerSnapHelper
 import androidx.recyclerview.widget.RecyclerView
 import kotlin.math.abs
-import kotlin.math.cos
-import kotlin.math.sin
 import org.yuzu.yuzu_emu.R
 import org.yuzu.yuzu_emu.adapters.GameAdapter
 import androidx.core.view.doOnNextLayout
@@ -36,7 +34,6 @@ class CarouselRecyclerView @JvmOverloads constructor(
     private var overlapDecoration: OverlappingDecoration? = null
     private var pagerSnapHelper: PagerSnapHelper? = null
     private var scalingScrollListener: OnScrollListener? = null
-    private var savedItemAnimator: RecyclerView.ItemAnimator? = null
 
     companion object {
         private const val CAROUSEL_CARD_SIZE_FACTOR = "CarouselCardSizeMultiplier"
@@ -45,13 +42,8 @@ class CarouselRecyclerView @JvmOverloads constructor(
         private const val CAROUSEL_OVERLAP_FACTOR = "CarouselOverlapFactor"
         private const val CAROUSEL_MAX_FLING_COUNT = "CarouselMaxFlingCount"
         private const val CAROUSEL_FLING_MULTIPLIER = "CarouselFlingMultiplier"
-        private const val CAROUSEL_ARC_ANGLE_STEP_DEGREES = 15.0
-        private const val CAROUSEL_ARC_MAX_ANGLE_DEGREES = 165.0
-        private const val CAROUSEL_ARC_DEPTH_MAX_ANGLE_DEGREES = 85.0
-        private const val CAROUSEL_ARC_DEPTH_STRETCH = 5.0f
-        private const val CAROUSEL_ARC_X_DEPTH_FACTOR = 0.55f
-        private const val CAROUSEL_ARC_FADE_OUT_START_DEGREES = 60.0
-        private const val CAROUSEL_ARC_FADE_OUT_END_DEGREES = 95.0
+        private const val CAROUSEL_CARDS_SCALING_SHAPE = "CarouselCardsScalingShape"
+        private const val CAROUSEL_CARDS_ALPHA_SHAPE = "CarouselCardsAlphaShape"
         const val CAROUSEL_LAST_SCROLL_POSITION = "CarouselLastScrollPosition"
         const val CAROUSEL_VIEW_TYPE_PORTRAIT = "GamesViewTypePortrait"
         const val CAROUSEL_VIEW_TYPE_LANDSCAPE = "GamesViewTypeLandscape"
@@ -168,52 +160,46 @@ class CarouselRecyclerView @JvmOverloads constructor(
         }
     }
 
+    fun shapingFunction(x: Float, option: Int = 0): Float {
+        return when (option) {
+            0 -> 1f // Off
+            1 -> 1f - x // linear descending
+            2 -> (1f - x) * (1f - x) // Ease out
+            3 -> if (x < 0.05f) 1f else (1f - x) * 0.8f
+            4 -> kotlin.math.cos(x * Math.PI).toFloat() // Cosine
+            5 -> kotlin.math.cos((1.5f * x).coerceIn(0f, 1f) * Math.PI).toFloat() // Cosine 1.5x trimmed
+            else -> 1f // Default to Off
+        }
+    }
+
     fun updateChildScaleAndAlphaForPosition(child: View) {
         val cardSize = (adapter as? GameAdapter ?: return).cardSize
         val position = getChildViewHolder(child).bindingAdapterPosition
         if (position == RecyclerView.NO_POSITION || cardSize <= 0) {
             return // No valid position or card size
         }
-        val layoutParams = child.layoutParams
-        if (layoutParams.width != cardSize || layoutParams.height != cardSize) {
-            child.layoutParams = layoutParams.apply {
-                width = cardSize
-                height = cardSize
-            }
-        }
-
-        val signedDistance = getChildDistanceToCenter(child)
-        val itemStep = (cardSize - overlapPx).toFloat().coerceAtLeast(1f)
-        val angleStep = Math.toRadians(CAROUSEL_ARC_ANGLE_STEP_DEGREES).toFloat()
-        val maxAngle = Math.toRadians(CAROUSEL_ARC_MAX_ANGLE_DEGREES).toFloat()
-        val depthMaxAngle = Math.toRadians(CAROUSEL_ARC_DEPTH_MAX_ANGLE_DEGREES).toFloat()
-        val fadeOutStartAngle = Math.toRadians(CAROUSEL_ARC_FADE_OUT_START_DEGREES).toFloat()
-        val fadeOutEndAngle = Math.toRadians(CAROUSEL_ARC_FADE_OUT_END_DEGREES).toFloat()
-        val angle = (signedDistance / itemStep * angleStep).coerceIn(-maxAngle, maxAngle)
-        val arcRadius = itemStep / angleStep
-        val arcX = sin(angle) * arcRadius
-        val absoluteAngle = abs(angle)
-        val rawDepthInput = ((1f - cos(absoluteAngle)) / (1f - cos(depthMaxAngle)))
-            .coerceIn(0f, 1f)
-        val easedDepthTail = Math.pow(
-            (1f - rawDepthInput).toDouble(),
-            CAROUSEL_ARC_DEPTH_STRETCH.toDouble()
-        ).toFloat()
-        val depthInput = (1f - easedDepthTail).coerceIn(0f, 1f)
-        val projectedArcX = arcX * (1f - rawDepthInput * CAROUSEL_ARC_X_DEPTH_FACTOR)
-
-        child.animate().cancel()
-        child.translationX = projectedArcX - signedDistance
+        child.layoutParams.width = cardSize
+        child.layoutParams.height = cardSize
 
+        val center = getRecyclerViewCenter()
+        val distance = abs(getChildDistanceToCenter(child))
         val internalBorderScale = resources.getFraction(R.fraction.carousel_bordercards_scale, 1, 1)
         val borderScale = preferences.getFloat(CAROUSEL_BORDERCARDS_SCALE, internalBorderScale).coerceIn(
             0f,
             1f
         )
 
-        val shapedScaling = 1f - depthInput
+        val shapeInput = (distance / center).coerceIn(0f, 1f)
+        val internalShapeSetting = resources.getInteger(R.integer.carousel_cards_scaling_shape)
+        val scalingShapeSetting = preferences.getInt(
+            CAROUSEL_CARDS_SCALING_SHAPE,
+            internalShapeSetting
+        )
+        val shapedScaling = shapingFunction(shapeInput, scalingShapeSetting)
         val scale = (borderScale + (1f - borderScale) * shapedScaling).coerceIn(0f, 1f)
 
+        val maxDistance = width / 2f
+        val alphaInput = (distance / maxDistance).coerceIn(0f, 1f)
         val internalBordersAlpha = resources.getFraction(
             R.fraction.carousel_bordercards_alpha,
             1,
@@ -223,12 +209,15 @@ class CarouselRecyclerView @JvmOverloads constructor(
             0f,
             1f
         )
-        val shapedAlpha = cos(depthInput * Math.PI).toFloat()
-        val baseAlpha = (borderAlpha + (1f - borderAlpha) * shapedAlpha).coerceIn(0f, 1f)
-        val rearPresence = (1f - (absoluteAngle - fadeOutStartAngle) /
-            (fadeOutEndAngle - fadeOutStartAngle)).coerceIn(0f, 1f)
-        val alpha = (baseAlpha * rearPresence).coerceIn(0f, 1f)
+        val internalAlphaShapeSetting = resources.getInteger(R.integer.carousel_cards_alpha_shape)
+        val alphaShapeSetting = preferences.getInt(
+            CAROUSEL_CARDS_ALPHA_SHAPE,
+            internalAlphaShapeSetting
+        )
+        val shapedAlpha = shapingFunction(alphaInput, alphaShapeSetting)
+        val alpha = (borderAlpha + (1f - borderAlpha) * shapedAlpha).coerceIn(0f, 1f)
 
+        child.animate().cancel()
         child.alpha = alpha
         child.scaleX = scale
         child.scaleY = scale
@@ -284,9 +273,7 @@ class CarouselRecyclerView @JvmOverloads constructor(
             0f,
             1f
         )
-        val scaledHeight = height * userFactor
-        val availableHeight = height - bottomInset
-        return minOf(scaledHeight.toInt(), availableHeight.toInt())
+        return (userFactor * (height - bottomInset)).toInt()
     }
 
     fun setupCarousel(enabled: Boolean) {
@@ -295,13 +282,6 @@ class CarouselRecyclerView @JvmOverloads constructor(
             if (gameAdapter.cardSize == 0) return
             if (bottomInset < 0) return
 
-            itemAnimator?.let {
-                if (savedItemAnimator == null) {
-                    savedItemAnimator = it
-                }
-                itemAnimator = null
-            }
-
             useCustomDrawingOrder = true
             val cardSize = gameAdapter.cardSize
 
@@ -356,12 +336,6 @@ class CarouselRecyclerView @JvmOverloads constructor(
             // Detach PagerSnapHelper
             pagerSnapHelper?.attachToRecyclerView(null)
             pagerSnapHelper = null
-            savedItemAnimator?.let {
-                if (itemAnimator == null) {
-                    itemAnimator = it
-                }
-                savedItemAnimator = null
-            }
             useCustomDrawingOrder = false
             // Reset padding and fling
             setPadding(0, 0, 0, 0)
@@ -370,7 +344,6 @@ class CarouselRecyclerView @JvmOverloads constructor(
             // Reset scaling
             for (i in 0 until childCount) {
                 val child = getChildAt(i)
-                child?.translationX = 0f
                 child?.scaleX = 1f
                 child?.scaleY = 1f
                 child?.alpha = 1f

src/android/app/src/main/jni/native.cpp

@@ -328,9 +328,6 @@ Core::SystemResultStatus EmulationSession::InitializeEmulation(const std::string
     m_system.GetCpuManager().OnGpuReady();
     m_system.RegisterExitCallback([&] { HaltEmulation(); });
 
-    m_system.RegisterApplicationChangedCallback(
-        [&](u64 changed_program_id) { RequestDiskShaderCacheReload(changed_program_id); });
-
     // Register an ExecuteProgram callback such that Core can execute a sub-program
     m_system.RegisterExecuteProgramCallback([&](std::size_t program_index_) {
         m_next_program_index = program_index_;
@@ -410,58 +407,20 @@ void EmulationSession::RunEmulation() {
     }
 
     while (true) {
-        std::optional<u64> reload_title;
         {
             [[maybe_unused]] std::unique_lock lock(m_mutex);
-            if (m_cv.wait_for(lock, std::chrono::milliseconds(800), [&]() {
-                    return !m_is_running || m_pending_shader_cache_title.has_value();
-                })) {
-                if (!m_is_running) {
-                    break;
-                }
-                reload_title = std::exchange(m_pending_shader_cache_title, std::nullopt);
+            if (m_cv.wait_for(lock, std::chrono::milliseconds(800),
+                              [&]() { return !m_is_running; })) {
+                // Emulation halted.
+                break;
             }
         }
-
-        if (reload_title.has_value())
-            ReloadDiskShaderCache(*reload_title);
     }
 
     // Reset current applet ID.
     m_applet_id = static_cast<int>(Service::AM::AppletId::Application);
 }
 
-void EmulationSession::RequestDiskShaderCacheReload(u64 program_id) {
-    {
-        std::scoped_lock lock(m_mutex);
-        m_pending_shader_cache_title = program_id;
-    }
-    m_cv.notify_one();
-}
-
-void EmulationSession::ReloadDiskShaderCache(u64 program_id) {
-    if (!Settings::values.use_disk_shader_cache.GetValue())
-        return;
-
-    LOG_INFO(Frontend, "Reloading disk shader cache for {:016X}", program_id);
-
-    const bool was_paused = m_is_paused;
-
-    m_system.Pause();
-    m_system.GPU().WaitForIdle();
-    m_system.GPU().ObtainContext();
-
-    LoadDiskCacheProgress(VideoCore::LoadCallbackStage::Prepare, 0, 0);
-    m_system.Renderer().ReadRasterizer()->LoadDiskResources(program_id, std::stop_token{},
-                                                            LoadDiskCacheProgress);
-    LoadDiskCacheProgress(VideoCore::LoadCallbackStage::Complete, 0, 0);
-
-    m_system.GPU().ReleaseContext();
-
-    if (!was_paused)
-        m_system.Run();
-}
-
 Common::Android::SoftwareKeyboard::AndroidKeyboard* EmulationSession::SoftwareKeyboard() {
     return m_software_keyboard;
 }

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

@@ -4,8 +4,6 @@
 // SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-#include <optional>
-
 #include <android/native_window_jni.h>
 #include "common/android/applets/software_keyboard.h"
 #include "core/core.h"
@@ -46,7 +44,6 @@ public:
     void HaltEmulation();
     void RunEmulation();
     void ShutdownEmulation();
-    void RequestDiskShaderCacheReload(u64 program_id);
 
     const Core::PerfStatsResults& PerfStats();
     int ShadersBuilding();
@@ -68,7 +65,6 @@ private:
     static void LoadDiskCacheProgress(VideoCore::LoadCallbackStage stage, int progress, int max);
     static void OnEmulationStopped(Core::SystemResultStatus result);
     static void ChangeProgram(std::size_t program_index);
-    void ReloadDiskShaderCache(u64 program_id);
 
 private:
     // Window management
@@ -87,7 +83,6 @@ private:
     Common::Android::SoftwareKeyboard::AndroidKeyboard* m_software_keyboard{};
     std::unique_ptr<FileSys::ManualContentProvider> m_manual_provider;
     int m_applet_id{1};
-    std::optional<u64> m_pending_shader_cache_title;
 
     // GPU driver parameters
     std::shared_ptr<Common::DynamicLibrary> m_vulkan_library;

src/android/app/src/main/res/color/game_card_ripple.xml

@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<selector xmlns:android="http://schemas.android.com/apk/res/android">
-    <item android:state_pressed="true" android:color="?attr/colorControlHighlight" />
-    <item android:state_focused="true" android:color="@android:color/transparent" />
-    <item android:state_selected="true" android:color="@android:color/transparent" />
-    <item android:state_hovered="true" android:color="@android:color/transparent" />
-    <item android:color="@android:color/transparent" />
-</selector>

src/android/app/src/main/res/layout-land/card_game_carousel.xml

@@ -10,7 +10,6 @@
     android:clipChildren="true"
     android:layout_margin="0dp"
     app:cardBackgroundColor="@color/eden_card_background"
-    app:rippleColor="@color/game_card_ripple"
     app:strokeWidth="1dp"
     app:strokeColor="@color/eden_border">
 

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

@@ -11,7 +11,6 @@
     app:cardCornerRadius="16dp"
     app:cardPreventCornerOverlap="true"
     android:clipChildren="true"
-    app:rippleColor="@color/game_card_ripple"
     android:layout_margin="4dp">
 
     <androidx.constraintlayout.widget.ConstraintLayout

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

@@ -22,7 +22,6 @@
         android:focusable="true"
         android:transitionName="card_game"
         app:cardCornerRadius="16dp"
-        app:rippleColor="@color/game_card_ripple"
         android:foreground="@color/eden_border_gradient_start">
 
         <androidx.constraintlayout.widget.ConstraintLayout

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

@@ -22,7 +22,6 @@
         android:focusable="true"
         android:transitionName="card_game_compact"
         app:cardCornerRadius="16dp"
-        app:rippleColor="@color/game_card_ripple"
         android:foreground="@color/eden_border_gradient_start">
 
         <androidx.constraintlayout.widget.ConstraintLayout

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

@@ -12,7 +12,6 @@
     app:cardCornerRadius="16dp"
     app:cardElevation="0dp"
     app:cardBackgroundColor="@android:color/transparent"
-    app:rippleColor="@color/game_card_ripple"
     app:strokeWidth="0dp">
 
     <androidx.constraintlayout.widget.ConstraintLayout

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

@@ -5,6 +5,8 @@
     <integer name="game_columns_grid">2</integer>
     <integer name="carousel_max_fling_count">4</integer>
     <integer name="carousel_focus_search_repeat_threshold_ms">100</integer>
+    <integer name="carousel_cards_scaling_shape">1</integer>
+    <integer name="carousel_cards_alpha_shape">4</integer>
 
     <!-- Default SWITCH landscape layout -->
     <integer name="BUTTON_A_X">760</integer>

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

@@ -111,7 +111,7 @@
 
     <!-- NVDEC Emulation -->
     <string name="nvdec_emulation">NVDEC Emulation</string>
-    <string name="nvdec_emulation_description">Change to CPU if a crash occurs on cinematics.</string>
+    <string name="nvdec_emulation_description">Select how video decoding (NVDEC) is handled during cutscenes and intros.</string>
     <string name="nvdec_emulation_cpu" translatable="false">CPU</string>
     <string name="nvdec_emulation_gpu" translatable="false">GPU</string>
     <string name="nvdec_emulation_none">None</string>

src/common/net/net.cpp

@@ -241,7 +241,7 @@ std::optional<std::string> MakeRequest(const std::string& url, const std::string
                       response.status);
             return {};
         }
-        if (!response.has_header("content-type")) {
+        if (!response.headers.contains("content-type")) {
             LOG_ERROR(Common, "GET to {}{} returned no content", url, path);
             return {};
         }

src/core/CMakeLists.txt

@@ -1267,23 +1267,6 @@ if (ARCHITECTURE_x86_64 OR ARCHITECTURE_arm64 OR ARCHITECTURE_riscv64 OR ARCHITE
     target_link_libraries(core PRIVATE dynarmic::dynarmic)
 endif()
 
-target_sources(core PRIVATE hle/service/ssl/ssl_backend_openssl.cpp)
-
 target_link_libraries(core PRIVATE OpenSSL::SSL OpenSSL::Crypto)
 
-# TODO
-
-# elseif (APPLE)
-#     target_sources(core PRIVATE
-#         hle/service/ssl/ssl_backend_securetransport.cpp)
-#     target_link_libraries(core PRIVATE "-framework Security")
-# elseif (WIN32)
-#     target_sources(core PRIVATE
-#         hle/service/ssl/ssl_backend_schannel.cpp)
-#     target_link_libraries(core PRIVATE crypt32 secur32)
-# else()
-#     target_sources(core PRIVATE
-#         hle/service/ssl/ssl_backend_none.cpp)
-# endif()
-
 create_target_directory_groups(core)

src/core/core.cpp

@@ -330,7 +330,7 @@ struct System::Impl {
         LaunchTimestampCache::SaveLaunchTimestamp(params.program_id);
 
         // Make the process created be the application
-        kernel.SetApplicationProcess(process->GetHandle());
+        kernel.MakeApplicationProcess(process->GetHandle());
 
         // Set up the rest of the system.
         SystemResultStatus init_result{SetupForApplicationProcess(system, emu_window)};
@@ -467,7 +467,6 @@ struct System::Impl {
     Core::SpeedLimiter speed_limiter;
     ExecuteProgramCallback execute_program_callback;
     ExitCallback exit_callback;
-    ApplicationChangedCallback application_changed_callback;
 
     std::optional<Service::Services> services;
     std::optional<Core::Debugger> debugger;
@@ -728,25 +727,7 @@ const Core::SpeedLimiter& System::SpeedLimiter() const {
 }
 
 u64 System::GetApplicationProcessProgramID() const {
-    const auto* const process = impl->kernel.ApplicationProcess();
-    return process != nullptr ? process->GetProgramId() : 0;
-}
-
-u64 System::GetProgramIdForProcessId(u64 process_id) const {
-    auto process = impl->kernel.GetProcessByProcessId(process_id);
-    return process.IsNull() ? 0 : process->GetProgramId();
-}
-
-u64 System::ResolveCallerProgramId(u64 process_id) const {
-    if (const auto program_id = this->GetProgramIdForProcessId(process_id); program_id != 0) {
-        return program_id;
-    }
-
-    const auto fallback = this->GetApplicationProcessProgramID();
-    LOG_WARNING(Core,
-                "Could not resolve caller process_id={}, falling back to application {:016X}",
-                process_id, fallback);
-    return fallback;
+    return impl->kernel.ApplicationProcess()->GetProgramId();
 }
 
 Loader::ResultStatus System::GetGameName(std::string& out) const {
@@ -980,18 +961,6 @@ void System::Exit() {
     }
 }
 
-void System::RegisterApplicationChangedCallback(ApplicationChangedCallback&& callback) {
-    impl->application_changed_callback = std::move(callback);
-}
-
-void System::NotifyApplicationChanged(u64 program_id) {
-    //LOG_DEBUG(Core, "Running application changed to {:016X}", program_id);
-
-    if (impl->application_changed_callback) {
-        impl->application_changed_callback(program_id);
-    }
-}
-
 void System::ApplySettings() {
     impl->RefreshTime(*this);
 

src/core/core.h

@@ -322,10 +322,6 @@ public:
 
     [[nodiscard]] u64 GetApplicationProcessProgramID() const;
 
-    [[nodiscard]] u64 GetProgramIdForProcessId(u64 process_id) const;
-
-    [[nodiscard]] u64 ResolveCallerProgramId(u64 process_id) const;
-
     /// Gets the name of the current game
     [[nodiscard]] Loader::ResultStatus GetGameName(std::string& out) const;
 
@@ -439,10 +435,6 @@ public:
     /// Instructs the frontend to exit the application.
     void Exit();
 
-    using ApplicationChangedCallback = std::function<void(u64 program_id)>;
-    void RegisterApplicationChangedCallback(ApplicationChangedCallback&& callback);
-    void NotifyApplicationChanged(u64 program_id);
-
     /// Applies any changes to settings to this core instance.
     void ApplySettings();
 

src/core/hle/kernel/kernel.cpp

@@ -349,18 +349,9 @@ struct KernelCore::Impl {
         object_name_global_data.emplace(kernel);
     }
 
-    void SetApplicationProcess(KernelCore& kernel, KProcess* process) {
-        if (application_process == process)
-            return;
-
-        KProcess* const previous = application_process;
+    void MakeApplicationProcess(KernelCore& kernel, KProcess* process) {
         application_process = process;
-
-        if (application_process != nullptr)
-            application_process->Open(kernel);
-
-        if (previous != nullptr)
-            previous->Close(kernel);
+        application_process->Open(kernel);
     }
 
     /// Sets the host thread ID for the caller.
@@ -888,8 +879,8 @@ void KernelCore::RemoveProcess(KProcess* process) {
     }
 }
 
-void KernelCore::SetApplicationProcess(KProcess* process) {
-    impl->SetApplicationProcess(*this, process);
+void KernelCore::MakeApplicationProcess(KProcess* process) {
+    impl->MakeApplicationProcess(*this, process);
 }
 
 KProcess* KernelCore::ApplicationProcess() {
@@ -900,14 +891,6 @@ const KProcess* KernelCore::ApplicationProcess() const {
     return impl->application_process;
 }
 
-KScopedAutoObject<KProcess> KernelCore::GetProcessByProcessId(u64 process_id) {
-    std::scoped_lock lk{impl->process_list_lock};
-    for (auto* const process : impl->process_list)
-        if (process != nullptr && process->GetProcessId() == process_id)
-            return {*this, process};
-    return {*this, nullptr};
-}
-
 std::list<KScopedAutoObject<KProcess>> KernelCore::GetProcessList() {
     std::list<KScopedAutoObject<KProcess>> processes;
     std::scoped_lock lk{impl->process_list_lock};

src/core/hle/kernel/kernel.h

@@ -124,8 +124,8 @@ public:
     void AppendNewProcess(KProcess* process);
     void RemoveProcess(KProcess* process);
 
-    /// Makes the given process the current application process.
-    void SetApplicationProcess(KProcess* process);
+    /// Makes the given process the new application process.
+    void MakeApplicationProcess(KProcess* process);
 
     /// Retrieves a pointer to the application process.
     KProcess* ApplicationProcess();
@@ -133,9 +133,6 @@ public:
     /// Retrieves a const pointer to the application process.
     const KProcess* ApplicationProcess() const;
 
-    /// Retrieves the process with the given process ID, or a null object.
-    KScopedAutoObject<KProcess> GetProcessByProcessId(u64 process_id);
-
     /// Retrieves the list of processes.
     std::list<KScopedAutoObject<KProcess>> GetProcessList();
 

src/core/hle/service/am/am_results.h

@@ -1,6 +1,3 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -13,7 +10,6 @@ namespace Service::AM {
 constexpr Result ResultNoDataInChannel{ErrorModule::AM, 2};
 constexpr Result ResultNoMessages{ErrorModule::AM, 3};
 constexpr Result ResultLibraryAppletTerminated{ErrorModule::AM, 22};
-constexpr Result ResultApplicationRecordNotFound{ErrorModule::AM, 37};
 constexpr Result ResultInvalidOffset{ErrorModule::AM, 503};
 constexpr Result ResultInvalidStorageType{ErrorModule::AM, 511};
 constexpr Result ResultFatalSectionCountImbalance{ErrorModule::AM, 512};

src/core/hle/service/am/am_types.h

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
@@ -201,14 +201,6 @@ enum class ProgramSpecifyKind : u32 {
     RestartProgram = 2,
 };
 
-// Maufeat: Use enums for zindex instead of using random zindex numbers
-enum AppletZIndex : s32 {
-    Background = 0,
-    Foreground = 1,
-    ForegroundVisible = 2,
-    Overlay = 3,
-};
-
 struct CommonArguments {
     CommonArgumentVersion arguments_version;
     CommonArgumentSize size;

src/core/hle/service/am/applet.cpp

@@ -56,22 +56,22 @@ void Applet::UpdateSuspensionStateLocked(bool force_message) {
     }
 }
 
-void Applet::SetInteractibleLocked(bool pad_interactible, bool touch_interactible) {
-    if (is_pad_interactible == pad_interactible && is_touch_interactible == touch_interactible) {
+void Applet::SetInteractibleLocked(bool interactible) {
+    if (is_interactible == interactible) {
         return;
     }
 
-    is_pad_interactible = pad_interactible;
-    is_touch_interactible = touch_interactible;
+    is_interactible = interactible;
 
     const bool exit_requested = lifecycle_manager.GetExitRequested();
-    const bool pad_enabled = pad_interactible && !exit_requested;
-    const bool touch_enabled = touch_interactible && !exit_requested;
+    const bool input_enabled = interactible && !exit_requested;
 
-    LOG_DEBUG(Service_AM, "applet={} pad={} touch={} exit_requested={}",
-              static_cast<u32>(applet_id), pad_enabled, touch_enabled, exit_requested);
+    if (applet_id == AppletId::OverlayDisplay || applet_id == AppletId::Application) {
+        LOG_DEBUG(Service_AM, "called, applet={} interactible={} exit_requested={} input_enabled={} overlay_in_foreground={}",
+                 static_cast<u32>(applet_id), interactible, exit_requested, input_enabled, overlay_in_foreground);
+    }
 
-    hid_registration.EnableAppletToGetInput(pad_enabled, touch_enabled);
+    hid_registration.EnableAppletToGetInput(input_enabled);
 }
 
 void Applet::OnProcessTerminatedLocked() {

src/core/hle/service/am/applet.h

@@ -125,11 +125,9 @@ struct Applet {
     bool album_image_taken_notification_enabled{};
     bool record_volume_muted{};
     bool is_activity_runnable{};
-    bool is_pad_interactible{true};
-    bool is_touch_interactible{true};
+    bool is_interactible{true};
     bool window_visible{true};
-    bool overlay_watching_short_home_button{false};
-    bool overlay_handling_touch_input{false};
+    bool overlay_in_foreground{false};
 
     // Events
     Event overlay_event;
@@ -150,7 +148,7 @@ struct Applet {
 
     // Process state management
     void UpdateSuspensionStateLocked(bool force_message);
-    void SetInteractibleLocked(bool pad_interactible, bool touch_interactible);
+    void SetInteractibleLocked(bool interactible);
     void OnProcessTerminatedLocked();
 };
 

src/core/hle/service/am/display_layer_manager.cpp

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
@@ -6,7 +6,6 @@
 
 #include "core/core.h"
 #include "core/hle/service/am/display_layer_manager.h"
-#include "core/hle/service/nvnflinger/hwc_layer.h"
 #include "core/hle/service/sm/sm.h"
 #include "core/hle/service/vi/application_display_service.h"
 #include "core/hle/service/vi/container.h"
@@ -34,7 +33,6 @@ void DisplayLayerManager::Initialize(Core::System& system, Kernel::KProcess* pro
     m_system_shared_buffer_id = 0;
     m_system_shared_layer_id = 0;
     m_applet_id = applet_id;
-    m_library_applet_mode = mode;
     m_buffer_sharing_enabled = false;
     m_blending_enabled = mode == LibraryAppletMode::PartialForeground ||
                          mode == LibraryAppletMode::PartialForegroundIndirectDisplay;
@@ -74,16 +72,14 @@ Result DisplayLayerManager::CreateManagedDisplayLayer(u64* out_layer_id) {
         out_layer_id, 0, display_id, Service::AppletResourceUserId{m_process->GetProcessId()}));
 
     m_manager_display_service->SetLayerVisibility(m_visible, *out_layer_id);
-    (void)m_display_service->GetContainer()->SetLayerStackMask(*out_layer_id,
-                                                              this->GetLayerStackMask());
 
     if (m_applet_id != AppletId::Application) {
         (void)m_manager_display_service->SetLayerBlending(m_blending_enabled, *out_layer_id);
         if (m_applet_id == AppletId::OverlayDisplay) {
-            (void)m_manager_display_service->SetLayerZIndex(Overlay, *out_layer_id);
+            (void)m_manager_display_service->SetLayerZIndex(-1, *out_layer_id);
             (void)m_display_service->GetContainer()->SetLayerIsOverlay(*out_layer_id, true);
         } else {
-            (void)m_manager_display_service->SetLayerZIndex(Foreground, *out_layer_id);
+            (void)m_manager_display_service->SetLayerZIndex(1, *out_layer_id);
         }
     }
 
@@ -126,12 +122,10 @@ Result DisplayLayerManager::IsSystemBufferSharingEnabled() {
 
     // Ensure the overlay layer is visible
     m_manager_display_service->SetLayerVisibility(m_visible, m_system_shared_layer_id);
-    (void)m_display_service->GetContainer()->SetLayerStackMask(m_system_shared_layer_id,
-                                                              this->GetLayerStackMask());
     m_manager_display_service->SetLayerBlending(m_blending_enabled, m_system_shared_layer_id);
-    s32 initial_z = Foreground;
+    s32 initial_z = 1;
     if (m_applet_id == AppletId::OverlayDisplay) {
-        initial_z = Overlay;
+        initial_z = -1;
         (void)m_display_service->GetContainer()->SetLayerIsOverlay(m_system_shared_layer_id, true);
     }
     m_manager_display_service->SetLayerZIndex(initial_z, m_system_shared_layer_id);
@@ -148,36 +142,6 @@ Result DisplayLayerManager::GetSystemSharedLayerHandle(u64* out_system_shared_bu
     R_SUCCEED();
 }
 
-u32 DisplayLayerManager::GetLayerStackMask() const {
-    using Nvnflinger::LayerStackBit;
-    using Nvnflinger::LayerStackId;
-
-    constexpr u32 Displayed = LayerStackBit(LayerStackId::Default);
-    constexpr u32 Screenshot = LayerStackBit(LayerStackId::Screenshot);
-    constexpr u32 Recording = LayerStackBit(LayerStackId::Recording);
-    constexpr u32 LastFrame = LayerStackBit(LayerStackId::LastFrame);
-    constexpr u32 Debug = LayerStackBit(LayerStackId::ApplicationForDebug);
-
-    switch (m_applet_id) {
-        case AppletId::Application:
-            return Displayed | Screenshot | Recording | LastFrame | Debug;
-        case AppletId::OverlayDisplay:
-            return Displayed;
-        case AppletId::QLaunch:
-            return Displayed;
-        default:
-            break;
-    }
-
-    switch (m_library_applet_mode) {
-    case LibraryAppletMode::AllForeground:
-    case LibraryAppletMode::AllForegroundInitiallyHidden:
-        return Displayed | Screenshot | LastFrame;
-    default:
-        return Displayed | Screenshot;
-    }
-}
-
 void DisplayLayerManager::SetWindowVisibility(bool visible) {
     if (m_visible == visible) {
         return;
@@ -221,17 +185,10 @@ void DisplayLayerManager::SetOverlayZIndex(s32 z_index) {
 }
 
 Result DisplayLayerManager::WriteAppletCaptureBuffer(bool* out_was_written,
-                                                     s32* out_fbshare_layer_index,
-                                                     VI::CaptureKind kind) {
+                                                     s32* out_fbshare_layer_index) {
     R_UNLESS(m_buffer_sharing_enabled, VI::ResultPermissionDenied);
     R_RETURN(m_display_service->GetContainer()->GetSharedBufferManager()->WriteAppletCaptureBuffer(
-        out_was_written, out_fbshare_layer_index, kind));
-}
-
-Result DisplayLayerManager::ClearAppletCaptureBuffer(s32 fbshare_layer_index, u32 color) {
-    R_UNLESS(m_buffer_sharing_enabled, VI::ResultPermissionDenied);
-    R_RETURN(m_display_service->GetContainer()->GetSharedBufferManager()->ClearAppletCaptureBuffer(
-        fbshare_layer_index, color));
+        out_was_written, out_fbshare_layer_index));
 }
 
 } // namespace Service::AM

src/core/hle/service/am/display_layer_manager.h

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
@@ -23,7 +23,6 @@ class KProcess;
 namespace Service::VI {
 class IApplicationDisplayService;
 class IManagerDisplayService;
-enum class CaptureKind : u32;
 } // namespace Service::VI
 
 namespace Service::AM {
@@ -49,13 +48,9 @@ public:
 
     void SetOverlayZIndex(s32 z_index);
 
-    Result WriteAppletCaptureBuffer(bool* out_was_written, s32* out_fbshare_layer_index,
-                                    VI::CaptureKind kind);
-    Result ClearAppletCaptureBuffer(s32 fbshare_layer_index, u32 color);
+    Result WriteAppletCaptureBuffer(bool* out_was_written, s32* out_fbshare_layer_index);
 
 private:
-    u32 GetLayerStackMask() const;
-
     Kernel::KProcess* m_process{};
     std::shared_ptr<VI::IApplicationDisplayService> m_display_service{};
     std::shared_ptr<VI::IManagerDisplayService> m_manager_display_service{};
@@ -64,7 +59,6 @@ private:
     u64 m_system_shared_buffer_id{};
     u64 m_system_shared_layer_id{};
     AppletId m_applet_id{};
-    LibraryAppletMode m_library_applet_mode{};
     bool m_buffer_sharing_enabled{};
     bool m_blending_enabled{};
     bool m_visible{true};

src/core/hle/service/am/hid_registration.cpp

@@ -36,17 +36,12 @@ HidRegistration::~HidRegistration() {
     }
 }
 
-void HidRegistration::EnableAppletToGetInput(bool enable_pad, bool enable_touch) {
-    if (!m_process.IsInitialized())
-        return;
-
-    const auto resource_manager = m_hid_server->GetResourceManager();
-    const u64 aruid = m_process.GetProcessId();
-
-    resource_manager->EnablePadInput(aruid, enable_pad);
-    resource_manager->EnableTouchScreen(aruid, enable_touch);
-
-    resource_manager->SetAruidValidForVibration(aruid, enable_pad);
+void HidRegistration::EnableAppletToGetInput(bool enable) {
+    if (m_process.IsInitialized()) {
+        m_hid_server->GetResourceManager()->SetAruidValidForVibration(m_process.GetProcessId(),
+                                                                      enable);
+        m_hid_server->GetResourceManager()->EnableInput(m_process.GetProcessId(), enable);
+    }
 }
 
 } // namespace Service::AM

src/core/hle/service/am/hid_registration.h

@@ -28,7 +28,7 @@ public:
     ~HidRegistration();
 
     void RegisterCurrentProcess();
-    void EnableAppletToGetInput(bool enable_pad, bool enable_touch);
+    void EnableAppletToGetInput(bool enable);
 
 private:
     Process& m_process;

src/core/hle/service/am/service/applet_common_functions.cpp

@@ -4,8 +4,6 @@
 // SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-#include "core/core.h"
-#include "core/file_sys/common_funcs.h"
 #include "core/hle/service/am/applet.h"
 #include "core/hle/service/am/service/applet_common_functions.h"
 #include "core/hle/service/cmif_serialization.h"
@@ -80,7 +78,7 @@ Result IAppletCommonFunctions::SetCpuBoostRequestPriority(s32 priority) {
 
 Result IAppletCommonFunctions::GetCurrentApplicationId(Out<u64> out_application_id) {
     LOG_WARNING(Service_AM, "(STUBBED) called");
-    *out_application_id = FileSys::GetBaseTitleID(system.GetApplicationProcessProgramID());
+    *out_application_id = system.GetApplicationProcessProgramID() & ~0xFFFULL;
     R_SUCCEED();
 }
 

src/core/hle/service/am/service/display_controller.cpp

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
@@ -8,7 +8,6 @@
 #include "core/hle/service/am/applet.h"
 #include "core/hle/service/am/service/display_controller.h"
 #include "core/hle/service/cmif_serialization.h"
-#include "core/hle/service/vi/shared_buffer_manager.h"
 
 namespace Service::AM {
 
@@ -72,16 +71,16 @@ Result IDisplayController::TakeScreenShotOfOwnLayer(bool unknown0, s32 fbshare_l
 }
 
 Result IDisplayController::ClearCaptureBuffer(bool unknown0, s32 fbshare_layer_index, u32 color) {
-    LOG_DEBUG(Service_AM, "called, unknown0={} fbshare_layer_index={} color={:#x}", unknown0,
-              fbshare_layer_index, color);
-    R_RETURN(applet->display_layer_manager.ClearAppletCaptureBuffer(fbshare_layer_index, color));
+    LOG_WARNING(Service_AM, "(STUBBED) called, unknown0={} fbshare_layer_index={} color={:#x}",
+                unknown0, fbshare_layer_index, color);
+    R_SUCCEED();
 }
 
 Result IDisplayController::AcquireLastForegroundCaptureSharedBuffer(
     Out<bool> out_was_written, Out<s32> out_fbshare_layer_index) {
-    LOG_DEBUG(Service_AM, "called");
-    R_RETURN(applet->display_layer_manager.WriteAppletCaptureBuffer(
-        out_was_written, out_fbshare_layer_index, VI::CaptureKind::LastForeground));
+    LOG_WARNING(Service_AM, "(STUBBED) called");
+    R_RETURN(applet->display_layer_manager.WriteAppletCaptureBuffer(out_was_written,
+                                                                    out_fbshare_layer_index));
 }
 
 Result IDisplayController::ReleaseLastForegroundCaptureSharedBuffer() {
@@ -91,9 +90,9 @@ Result IDisplayController::ReleaseLastForegroundCaptureSharedBuffer() {
 
 Result IDisplayController::AcquireCallerAppletCaptureSharedBuffer(
     Out<bool> out_was_written, Out<s32> out_fbshare_layer_index) {
-    LOG_DEBUG(Service_AM, "called");
-    R_RETURN(applet->display_layer_manager.WriteAppletCaptureBuffer(
-        out_was_written, out_fbshare_layer_index, VI::CaptureKind::CallerApplet));
+    LOG_WARNING(Service_AM, "(STUBBED) called");
+    R_RETURN(applet->display_layer_manager.WriteAppletCaptureBuffer(out_was_written,
+                                                                    out_fbshare_layer_index));
 }
 
 Result IDisplayController::ReleaseCallerAppletCaptureSharedBuffer() {
@@ -103,9 +102,9 @@ Result IDisplayController::ReleaseCallerAppletCaptureSharedBuffer() {
 
 Result IDisplayController::AcquireLastApplicationCaptureSharedBuffer(
     Out<bool> out_was_written, Out<s32> out_fbshare_layer_index) {
-    LOG_DEBUG(Service_AM, "called");
-    R_RETURN(applet->display_layer_manager.WriteAppletCaptureBuffer(
-        out_was_written, out_fbshare_layer_index, VI::CaptureKind::LastApplication));
+    LOG_WARNING(Service_AM, "(STUBBED) called");
+    R_RETURN(applet->display_layer_manager.WriteAppletCaptureBuffer(out_was_written,
+                                                                    out_fbshare_layer_index));
 }
 
 Result IDisplayController::ReleaseLastApplicationCaptureSharedBuffer() {

src/core/hle/service/am/service/overlay_functions.cpp

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 #include "core/hle/service/am/applet.h"
@@ -22,7 +22,7 @@ namespace Service::AM {
         {10, nullptr, "StartShutdownSequenceForOverlay"},
         {11, nullptr, "StartRebootSequenceForOverlay"},
         {20, D<&IOverlayFunctions::SetHandlingHomeButtonShortPressedEnabled>, "SetHandlingHomeButtonShortPressedEnabled"},
-        {21, D<&IOverlayFunctions::SetHandlingTouchScreenInputEnabled>, "SetHandlingTouchScreenInputEnabled"},
+        {21, nullptr, "SetHandlingTouchScreenInputEnabled"},
         {30, nullptr, "SetHealthWarningShowingState"},
         {31, D<&IOverlayFunctions::IsHealthWarningRequired>, "IsHealthWarningRequired"},
         {40, nullptr, "GetApplicationNintendoLogo"},
@@ -43,12 +43,10 @@ namespace Service::AM {
     Result IOverlayFunctions::BeginToWatchShortHomeButtonMessage() {
         LOG_DEBUG(Service_AM, "called");
 
-        {
-            std::scoped_lock lk{m_applet->lock};
-            m_applet->overlay_watching_short_home_button = true;
-        }
+        m_applet->overlay_in_foreground = true;
+        m_applet->home_button_short_pressed_blocked = false;
 
-        if (auto* window_system = system.GetAppletManager().GetWindowSystem()) {
+        if (auto *window_system = system.GetAppletManager().GetWindowSystem()) {
             window_system->RequestUpdate();
         }
 
@@ -58,26 +56,16 @@ namespace Service::AM {
     Result IOverlayFunctions::EndToWatchShortHomeButtonMessage() {
         LOG_DEBUG(Service_AM, "called");
 
-        {
-            std::scoped_lock lk{m_applet->lock};
-            m_applet->overlay_watching_short_home_button = false;
-        }
+        m_applet->overlay_in_foreground = false;
+        m_applet->home_button_short_pressed_blocked = false;
 
-        if (auto* window_system = system.GetAppletManager().GetWindowSystem()) {
+        if (auto *window_system = system.GetAppletManager().GetWindowSystem()) {
             window_system->RequestUpdate();
         }
 
         R_SUCCEED();
     }
 
-    Result IOverlayFunctions::SetHandlingTouchScreenInputEnabled(bool enabled) {
-        LOG_DEBUG(Service_AM, "called, enabled={}", enabled);
-
-        std::scoped_lock lk{m_applet->lock};
-        m_applet->overlay_handling_touch_input = enabled;
-        R_SUCCEED();
-    }
-
     Result IOverlayFunctions::GetApplicationIdForLogo(Out<u64> out_application_id) {
         LOG_DEBUG(Service_AM, "called");
 

src/core/hle/service/am/service/overlay_functions.h

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 #pragma once
@@ -20,7 +20,6 @@ namespace Service::AM {
         Result SetAutoSleepTimeAndDimmingTimeEnabled(bool enabled);
         Result IsHealthWarningRequired(Out<bool> is_required);
         Result SetHandlingHomeButtonShortPressedEnabled(bool enabled);
-        Result SetHandlingTouchScreenInputEnabled(bool enabled);
         Result Unknown70();
 
     private:

src/core/hle/service/am/window_system.cpp

@@ -4,11 +4,7 @@
 // SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-#include <utility>
-
-#include "common/settings.h"
 #include "core/core.h"
-#include "core/hle/kernel/kernel.h"
 #include "core/hle/service/am/am_results.h"
 #include "core/hle/service/am/applet.h"
 #include "core/hle/service/am/applet_manager.h"
@@ -36,82 +32,46 @@ void WindowSystem::RequestUpdate() {
 }
 
 void WindowSystem::Update() {
-    {
-        std::scoped_lock lk{m_lock};
+    std::scoped_lock lk{m_lock};
 
-        LOG_DEBUG(Service_AM, "called, home_menu={} application={} overlay={}",
-                  m_home_menu != nullptr, m_application != nullptr, m_overlay_display != nullptr);
+    LOG_DEBUG(Service_AM, "called, home_menu={} application={} overlay={}",
+              m_home_menu != nullptr, m_application != nullptr, m_overlay_display != nullptr);
 
-        // Loop through all applets and remove terminated applets.
-        this->PruneTerminatedAppletsLocked();
+    // Loop through all applets and remove terminated applets.
+    this->PruneTerminatedAppletsLocked();
 
-        // If the home menu is being locked into the foreground, handle that.
-        if (!this->LockHomeMenuIntoForegroundLocked()) {
-            const bool overlay_takes_input = this->DoesOverlayTakeInputLocked();
-
-            this->UpdateAppletStateLocked(m_overlay_display, true, overlay_takes_input);
-            this->UpdateAppletStateLocked(m_home_menu, m_foreground_requested_applet == m_home_menu, overlay_takes_input);
-            this->UpdateAppletStateLocked(m_application, m_foreground_requested_applet == m_application, overlay_takes_input);
-        }
+    // If the home menu is being locked into the foreground, handle that.
+    if (this->LockHomeMenuIntoForegroundLocked()) {
+        return;
     }
 
-    this->NotifyApplicationChangedIfNeeded();
+    bool overlay_blocks_input = false;
+    if (m_overlay_display) {
+        std::scoped_lock lk_overlay{m_overlay_display->lock};
+        overlay_blocks_input = m_overlay_display->overlay_in_foreground;
+    }
+
+    // Recursively update each applet root.
+    this->UpdateAppletStateLocked(m_home_menu, m_foreground_requested_applet == m_home_menu, overlay_blocks_input);
+    this->UpdateAppletStateLocked(m_application, m_foreground_requested_applet == m_application, overlay_blocks_input);
+    this->UpdateAppletStateLocked(m_overlay_display, true, false); // overlay is always updated, never blocked
 }
 
 void WindowSystem::TrackApplet(std::shared_ptr<Applet> applet, bool is_application) {
-    {
-        std::scoped_lock lk{m_lock};
+    std::scoped_lock lk{m_lock};
 
-        if (applet->applet_id == AppletId::QLaunch) {
-            ASSERT(m_home_menu == nullptr);
-            m_home_menu = applet.get();
-        } else if (applet->applet_id == AppletId::OverlayDisplay) {
-            m_overlay_display = applet.get();
-        } else if (is_application) {
-            ASSERT(m_application == nullptr);
-            m_application = applet.get();
-        }
-
-        this->UpdateCurrentApplicationLocked();
-
-        m_event_observer->TrackAppletProcess(*applet);
-        m_applets.emplace(applet->aruid.pid, std::move(applet));
+    if (applet->applet_id == AppletId::QLaunch) {
+        ASSERT(m_home_menu == nullptr);
+        m_home_menu = applet.get();
+    } else if (applet->applet_id == AppletId::OverlayDisplay) {
+        m_overlay_display = applet.get();
+    } else if (is_application) {
+        ASSERT(m_application == nullptr);
+        m_application = applet.get();
     }
 
-    this->NotifyApplicationChangedIfNeeded();
-}
-
-void WindowSystem::UpdateCurrentApplicationLocked() {
-    const Applet* const candidate = m_application != nullptr ? m_application : m_home_menu;
-    if (candidate == nullptr) {
-        return;
-    }
-
-    auto* const process = candidate->process->GetHandle();
-    if (process == nullptr || process == m_system.Kernel().ApplicationProcess()) {
-        return;
-    }
-
-    LOG_INFO(Service_AM, "Current application is now {:016X}", candidate->program_id);
-
-    m_system.Kernel().SetApplicationProcess(process);
-    Settings::SetCurrentProgramID(candidate->program_id);
-
-    m_pending_application_notification = candidate->program_id;
-}
-
-void WindowSystem::NotifyApplicationChangedIfNeeded() {
-    std::optional<u64> program_id;
-    {
-        std::scoped_lock lk{m_lock};
-        program_id = std::exchange(m_pending_application_notification, std::nullopt);
-    }
-
-    if (!program_id.has_value()) {
-        return;
-    }
-
-    m_system.NotifyApplicationChanged(*program_id);
+    m_event_observer->TrackAppletProcess(*applet);
+    m_applets.emplace(applet->aruid.pid, std::move(applet));
 }
 
 std::shared_ptr<Applet> WindowSystem::GetByAppletResourceUserId(u64 aruid) {
@@ -209,40 +169,18 @@ void WindowSystem::OnExitRequested() {
 }
 
 void WindowSystem::SendButtonAppletMessageLocked(AppletMessage message) {
-    const auto is_blocked = [message](const Applet& applet) {
-        if (message == AppletMessage::DetectShortPressingHomeButton &&
-            applet.applet_id == AppletId::OverlayDisplay &&
-            !applet.overlay_watching_short_home_button) {
-            return true;
-        }
-
-        switch (message) {
-        case AppletMessage::DetectShortPressingHomeButton:
-            return applet.home_button_short_pressed_blocked;
-        case AppletMessage::DetectLongPressingHomeButton:
-            return applet.home_button_long_pressed_blocked;
-        default:
-            return false;
-        }
-    };
-
-    const auto send_to = [&](Applet* applet) {
-        if (!applet) {
-            return;
-        }
-        std::scoped_lock lk{applet->lock};
-        if (is_blocked(*applet)) {
-            LOG_DEBUG(Service_AM, "Applet {} is blocking message {}",
-                      static_cast<u32>(applet->applet_id), static_cast<u32>(message));
-            return;
-        }
-        applet->lifecycle_manager.PushUnorderedMessage(m_system.Kernel(), message);
-    };
-
-    send_to(m_home_menu);
-    send_to(m_overlay_display);
-    send_to(m_application);
-
+    if (m_home_menu) {
+        std::scoped_lock lk_home{m_home_menu->lock};
+        m_home_menu->lifecycle_manager.PushUnorderedMessage(m_system.Kernel(), message);
+    }
+    if (m_overlay_display) {
+        std::scoped_lock lk_overlay{m_overlay_display->lock};
+        m_overlay_display->lifecycle_manager.PushUnorderedMessage(m_system.Kernel(), message);
+    }
+    if (m_application) {
+        std::scoped_lock lk_application{m_application->lock};
+        m_application->lifecycle_manager.PushUnorderedMessage(m_system.Kernel(), message);
+    }
     if (m_event_observer) {
         m_event_observer->RequestUpdate();
     }
@@ -254,9 +192,19 @@ void WindowSystem::OnSystemButtonPress(SystemButtonType type) {
     case SystemButtonType::HomeButtonShortPressing:
         SendButtonAppletMessageLocked(AppletMessage::DetectShortPressingHomeButton);
         break;
-    case SystemButtonType::HomeButtonLongPressing:
+    case SystemButtonType::HomeButtonLongPressing: {
+        // Toggle overlay foreground visibility on long home press
+        if (m_overlay_display) {
+            std::scoped_lock lk_overlay{m_overlay_display->lock};
+            m_overlay_display->overlay_in_foreground = !m_overlay_display->overlay_in_foreground;
+            LOG_INFO(Service_AM, "Overlay long-press toggle: overlay_in_foreground={} window_visible={}", m_overlay_display->overlay_in_foreground, m_overlay_display->window_visible);
+        }
         SendButtonAppletMessageLocked(AppletMessage::DetectLongPressingHomeButton);
-        break;
+        // Force a state update after toggling overlay
+        if (m_event_observer) {
+            m_event_observer->RequestUpdate();
+        }
+        break; }
     case SystemButtonType::CaptureButtonShortPressing:
         SendButtonAppletMessageLocked(AppletMessage::DetectShortPressingCaptureButton);
         break;
@@ -369,8 +317,6 @@ void WindowSystem::PruneTerminatedAppletsLocked() {
             m_overlay_display = nullptr;
         }
 
-        this->UpdateCurrentApplicationLocked();
-
         // Finalize applet.
         applet->OnProcessTerminatedLocked();
 
@@ -443,20 +389,7 @@ void WindowSystem::TerminateChildAppletsLocked(Applet* applet) {
     applet->lock.lock();
 }
 
-bool WindowSystem::IsOverlayOpenLocked(const Applet& overlay) const {
-    return overlay.window_visible && overlay.overlay_watching_short_home_button;
-}
-
-bool WindowSystem::DoesOverlayTakeInputLocked() const {
-    if (m_overlay_display == nullptr) {
-        return false;
-    }
-
-    std::scoped_lock lk{m_overlay_display->lock};
-    return this->IsOverlayOpenLocked(*m_overlay_display);
-}
-
-void WindowSystem::UpdateAppletStateLocked(Applet* applet, bool is_foreground, bool overlay_takes_input) {
+void WindowSystem::UpdateAppletStateLocked(Applet* applet, bool is_foreground, bool overlay_blocking) {
     // With no applet, we don't have anything to do.
     if (!applet) {
         return;
@@ -487,18 +420,24 @@ void WindowSystem::UpdateAppletStateLocked(Applet* applet, bool is_foreground, b
         return false;
     }();
 
-    const bool is_overlay = applet->applet_id == AppletId::OverlayDisplay;
-
     // Update visibility state.
-    const bool should_be_visible =
-        is_overlay ? applet->window_visible : (is_foreground && applet->window_visible);
+    // Overlay applets should always be visible when window_visible is true, regardless of foreground state
+    const bool should_be_visible = (applet->applet_id == AppletId::OverlayDisplay)
+                                     ? applet->window_visible
+                                     : (is_foreground && applet->window_visible);
     applet->display_layer_manager.SetWindowVisibility(should_be_visible);
 
-    const bool needs_hid_input =
-        is_overlay ? this->IsOverlayOpenLocked(*applet)
-                   : (is_foreground && applet->window_visible && !overlay_takes_input);
 
-    applet->SetInteractibleLocked(needs_hid_input, needs_hid_input);
+    const bool should_be_interactible = (applet->applet_id == AppletId::OverlayDisplay)
+                                          ? applet->overlay_in_foreground
+                                          : (is_foreground && applet->window_visible && !overlay_blocking);
+
+    if (applet->applet_id == AppletId::OverlayDisplay || applet->applet_id == AppletId::Application) {
+        LOG_DEBUG(Service_AM, "UpdateAppletStateLocked: applet={} overlay_in_foreground={} is_foreground={} window_visible={} overlay_blocking={} should_be_interactible={}",
+                 static_cast<u32>(applet->applet_id), applet->overlay_in_foreground, is_foreground, applet->window_visible, overlay_blocking, should_be_interactible);
+    }
+
+    applet->SetInteractibleLocked(should_be_interactible);
 
     // Update focus state and suspension.
     const bool is_obscured = has_obscuring_child_applets || !applet->window_visible;
@@ -514,18 +453,23 @@ void WindowSystem::UpdateAppletStateLocked(Applet* applet, bool is_foreground, b
         applet->UpdateSuspensionStateLocked(true);
     }
 
-    // Layer ordering. Composition sorts back-to-front. Now with enums for calrity.
-    s32 z_index = Background;
-    if (is_overlay) {
-        z_index = Overlay;
-    } else if (inherited_foreground) {
-        z_index = is_obscured ? Foreground : ForegroundVisible;
+    // Z-index logic like in reference C# implementation (tuned for overlay extremes)
+    s32 z_index = 0;
+    const bool now_foreground = inherited_foreground;
+    if (applet->applet_id == AppletId::OverlayDisplay) {
+        z_index = applet->overlay_in_foreground ? 100000 : -1;
+    } else if (now_foreground && !is_obscured) {
+        z_index = 2;
+    } else if (now_foreground) {
+        z_index = 1;
+    } else {
+        z_index = 0;
     }
     applet->display_layer_manager.SetOverlayZIndex(z_index);
 
     // Recurse into child applets.
     for (const auto& child_applet : applet->child_applets) {
-        this->UpdateAppletStateLocked(child_applet.get(), is_foreground, overlay_takes_input);
+        this->UpdateAppletStateLocked(child_applet.get(), is_foreground, overlay_blocking);
     }
 }
 

src/core/hle/service/am/window_system.h

@@ -9,7 +9,6 @@
 #include <map>
 #include <memory>
 #include <mutex>
-#include <optional>
 
 #include "common/common_types.h"
 #include "core/hle/service/am/am_types.h"
@@ -61,16 +60,11 @@ public:
     void OnPowerButtonPressed(ButtonPressDuration type) {}
 
 private:
-    void UpdateCurrentApplicationLocked();
-    void NotifyApplicationChangedIfNeeded();
     void PruneTerminatedAppletsLocked();
     bool RestartAppletProcessLocked(Applet* applet);
     bool LockHomeMenuIntoForegroundLocked();
     void TerminateChildAppletsLocked(Applet* applet);
-    bool IsOverlayOpenLocked(const Applet& overlay) const;
-    bool DoesOverlayTakeInputLocked() const;
-
-    void UpdateAppletStateLocked(Applet* applet, bool is_foreground, bool overlay_takes_input);
+    void UpdateAppletStateLocked(Applet* applet, bool is_foreground, bool overlay_blocking = false);
     void SendButtonAppletMessageLocked(AppletMessage message);
 
 private:
@@ -94,7 +88,6 @@ private:
 
     // Applet map by aruid.
     std::map<u64, std::shared_ptr<Applet>> m_applets{};
-    std::optional<u64> m_pending_application_notification{};
 };
 
 } // namespace Service::AM

src/core/hle/service/aoc/addon_content_manager.cpp

@@ -23,7 +23,6 @@
 #include "core/hle/service/cmif_serialization.h"
 #include "core/hle/service/ipc_helpers.h"
 #include "core/hle/service/server_manager.h"
-#include "core/hle/service/am/am_results.h"
 #include "core/loader/loader.h"
 
 namespace Service::AOC {
@@ -32,10 +31,6 @@ static bool CheckAOCTitleIDMatchesBase(u64 title_id, u64 base) {
     return FileSys::GetBaseTitleID(title_id) == base;
 }
 
-static u64 GetCallerBaseTitleID(Core::System& system, const ClientProcessId& process_id) {
-    return FileSys::GetBaseTitleID(system.ResolveCallerProgramId(*process_id));
-}
-
 static std::vector<u64> AccumulateAOCTitleIDs(Core::System& system) {
     std::vector<u64> add_on_content;
     const auto& rcu = system.GetContentProvider();
@@ -96,7 +91,7 @@ IAddOnContentManager::~IAddOnContentManager() {
 Result IAddOnContentManager::CountAddOnContent(Out<u32> out_count, ClientProcessId process_id) {
     LOG_DEBUG(Service_AOC, "called. process_id={}", process_id.pid);
 
-    const auto current = GetCallerBaseTitleID(system, process_id);
+    const auto current = system.GetApplicationProcessProgramID();
 
     const auto& disabled = Settings::values.disabled_addons[current];
     if (std::find(disabled.begin(), disabled.end(), "DLC") != disabled.end()) {
@@ -117,7 +112,7 @@ Result IAddOnContentManager::ListAddOnContent(Out<u32> out_count,
     LOG_DEBUG(Service_AOC, "called with offset={}, count={}, process_id={}", offset, count,
               process_id.pid);
 
-    const auto current = GetCallerBaseTitleID(system, process_id);
+    const auto current = FileSys::GetBaseTitleID(system.GetApplicationProcessProgramID());
 
     std::vector<u32> out;
     const auto& disabled = Settings::values.disabled_addons[current];
@@ -131,7 +126,8 @@ Result IAddOnContentManager::ListAddOnContent(Out<u32> out_count,
         }
     }
 
-    R_UNLESS(out.size() >= offset, AM::ResultApplicationRecordNotFound);
+    // TODO(DarkLordZach): Find the correct error code.
+    R_UNLESS(out.size() >= offset, ResultUnknown);
 
     *out_count = static_cast<u32>(std::min<size_t>(out.size() - offset, count));
     std::rotate(out.begin(), out.begin() + offset, out.end());
@@ -145,7 +141,7 @@ Result IAddOnContentManager::GetAddOnContentBaseId(Out<u64> out_title_id,
                                                    ClientProcessId process_id) {
     LOG_DEBUG(Service_AOC, "called. process_id={}", process_id.pid);
 
-    const auto title_id = system.ResolveCallerProgramId(*process_id);
+    const auto title_id = system.GetApplicationProcessProgramID();
     const FileSys::PatchManager pm{title_id, system.GetFileSystemController(),
                                    system.GetContentProvider()};
 

src/core/hle/service/bcat/bcat_service.cpp

@@ -24,8 +24,8 @@ static u64 GetCurrentBuildID(const Core::System::CurrentBuildProcessID& id) {
     return out;
 }
 
-IBcatService::IBcatService(Core::System& system_, BcatBackend& backend_, u64 program_id_)
-    : ServiceFramework{system_, "IBcatService"}, backend{backend_}, program_id{program_id_},
+IBcatService::IBcatService(Core::System& system_, BcatBackend& backend_)
+    : ServiceFramework{system_, "IBcatService"}, backend{backend_},
       progress{{
           ProgressServiceBackend{system_, "Normal"},
           ProgressServiceBackend{system_, "Directory"},
@@ -70,7 +70,8 @@ Result IBcatService::RequestSyncDeliveryCache(
     LOG_DEBUG(Service_BCAT, "called");
 
     auto& progress_backend{GetProgressBackend(SyncType::Normal)};
-    backend.Synchronize(system.Kernel(), {program_id, GetCurrentBuildID(system.GetApplicationProcessBuildID())},
+    backend.Synchronize(system.Kernel(), {system.GetApplicationProcessProgramID(),
+                         GetCurrentBuildID(system.GetApplicationProcessBuildID())},
                         GetProgressBackend(SyncType::Normal));
 
     *out_interface = std::make_shared<IDeliveryCacheProgressService>(
@@ -85,8 +86,9 @@ Result IBcatService::RequestSyncDeliveryCacheWithDirectoryName(
     LOG_DEBUG(Service_BCAT, "called, name={}", name);
 
     auto& progress_backend{GetProgressBackend(SyncType::Directory)};
-    backend.SynchronizeDirectory(system.Kernel(), {program_id, GetCurrentBuildID(system.GetApplicationProcessBuildID())},
-        name, progress_backend);
+    backend.SynchronizeDirectory(system.Kernel(), {system.GetApplicationProcessProgramID(),
+                                  GetCurrentBuildID(system.GetApplicationProcessBuildID())},
+                                 name, progress_backend);
 
     *out_interface = std::make_shared<IDeliveryCacheProgressService>(
         system, progress_backend.GetEvent(), progress_backend.GetImpl());

src/core/hle/service/bcat/bcat_service.h

@@ -1,6 +1,3 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
@@ -22,7 +19,7 @@ class IDeliveryCacheProgressService;
 
 class IBcatService final : public ServiceFramework<IBcatService> {
 public:
-    explicit IBcatService(Core::System& system_, BcatBackend& backend_, u64 program_id_);
+    explicit IBcatService(Core::System& system_, BcatBackend& backend_);
     ~IBcatService() override;
 
 private:
@@ -42,7 +39,6 @@ private:
     const ProgressServiceBackend& GetProgressBackend(SyncType type) const;
 
     BcatBackend& backend;
-    u64 program_id;
     std::array<ProgressServiceBackend, static_cast<size_t>(SyncType::Count)> progress;
 };
 

src/core/hle/service/bcat/service_creator.cpp

@@ -1,10 +1,6 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-#include "core/core.h"
 #include "core/hle/service/bcat/bcat_service.h"
 #include "core/hle/service/bcat/delivery_cache_storage_service.h"
 #include "core/hle/service/bcat/service_creator.h"
@@ -41,8 +37,7 @@ IServiceCreator::~IServiceCreator() = default;
 Result IServiceCreator::CreateBcatService(ClientProcessId process_id,
                                           OutInterface<IBcatService> out_interface) {
     LOG_INFO(Service_BCAT, "called, process_id={}", process_id.pid);
-    *out_interface =
-        std::make_shared<IBcatService>(system, *backend, system.ResolveCallerProgramId(*process_id));
+    *out_interface = std::make_shared<IBcatService>(system, *backend);
     R_SUCCEED();
 }
 
@@ -50,7 +45,7 @@ Result IServiceCreator::CreateDeliveryCacheStorageService(
     ClientProcessId process_id, OutInterface<IDeliveryCacheStorageService> out_interface) {
     LOG_INFO(Service_BCAT, "called, process_id={}", process_id.pid);
 
-    const auto title_id = system.ResolveCallerProgramId(*process_id);
+    const auto title_id = system.GetApplicationProcessProgramID();
     *out_interface =
         std::make_shared<IDeliveryCacheStorageService>(system, fsc.GetBCATDirectory(title_id));
     R_SUCCEED();

src/core/hle/service/caps/caps_manager.cpp

@@ -243,15 +243,10 @@ Result AlbumManager::SaveScreenShot(ApplicationAlbumEntry& out_entry,
     return SaveScreenShot(out_entry, attribute, report_option, {}, image_data, aruid);
 }
 
-Result AlbumManager::SaveScreenShot(ApplicationAlbumEntry& out_entry,
-                                    const ScreenShotAttribute& attribute,
-                                    AlbumReportOption report_option,
-                                    const ApplicationData& app_data, std::span<const u8> image_data,
-                                    u64 aruid) {
+Result AlbumManager::SaveScreenShot(ApplicationAlbumEntry& out_entry, const ScreenShotAttribute& attribute, AlbumReportOption report_option, const ApplicationData& app_data, std::span<const u8> image_data, u64 aruid) {
     R_UNLESS(!image_data.empty(), ResultUnknown); //TODO: ???
 
-    const u64 title_id = system.ResolveCallerProgramId(aruid);
-
+    const u64 title_id = system.GetApplicationProcessProgramID();
     auto static_service =
         system.ServiceManager().GetService<Service::Glue::Time::StaticService>("time:u", true);
 

src/core/hle/service/caps/caps_su.cpp

@@ -95,8 +95,7 @@ void IScreenShotApplicationService::CaptureAndSaveScreenshot(AlbumReportOption r
             manager->FlipVerticallyOnWrite(invert_y);
             manager->SaveScreenShot(entry, attribute, report_option, image_data, {});
         },
-        layout,
-        Nvnflinger::LayerStackId::Screenshot);
+        layout);
 }
 
 } // namespace Service::Capture

src/core/hle/service/hid/hid_server.cpp

@@ -1164,7 +1164,7 @@ Result IHidServer::InitializeSevenSixAxisSensor(ClientAppletResourceUserId aruid
     GetResourceManager()->GetConsoleSixAxis()->Activate();
     GetResourceManager()->GetSevenSixAxis()->Activate();
 
-    GetResourceManager()->GetSevenSixAxis()->SetTransferMemoryAddress(t_mem_1->GetSourceAddress(), t_mem_1->GetOwner());
+    GetResourceManager()->GetSevenSixAxis()->SetTransferMemoryAddress(t_mem_1->GetSourceAddress());
 
     R_SUCCEED();
 }

src/core/hle/service/hid/hidbus.cpp

@@ -312,7 +312,7 @@ Result Hidbus::EnableJoyPollingReceiveMode(u32 t_mem_size, JoyPollingMode pollin
 
     auto& device = devices[device_index.value()].device;
     device->SetPollingMode(polling_mode);
-    device->SetTransferMemoryAddress(t_mem->GetSourceAddress(), t_mem->GetOwner());
+    device->SetTransferMemoryAddress(t_mem->GetSourceAddress());
     R_SUCCEED();
 }
 

src/core/hle/service/hid/irs.cpp

@@ -1,6 +1,3 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -150,7 +147,7 @@ Result IRS::RunImageTransferProcessor(
     MakeProcessorWithCoreContext<ImageTransferProcessor>(camera_handle, device);
     auto& image_transfer_processor = GetProcessor<ImageTransferProcessor>(camera_handle);
     image_transfer_processor.SetConfig(processor_config);
-    image_transfer_processor.SetTransferMemoryAddress(t_mem->GetSourceAddress(), t_mem->GetOwner());
+    image_transfer_processor.SetTransferMemoryAddress(t_mem->GetSourceAddress());
     npad_device->SetPollingMode(Core::HID::EmulatedDeviceIndex::RightIndex,
                                 Common::Input::PollingMode::IR);
 
@@ -298,8 +295,7 @@ Result IRS::RunImageTransferExProcessor(
     MakeProcessorWithCoreContext<ImageTransferProcessor>(camera_handle, device);
     auto& image_transfer_processor = GetProcessor<ImageTransferProcessor>(camera_handle);
     image_transfer_processor.SetConfig(processor_config);
-    image_transfer_processor.SetTransferMemoryAddress(t_mem->GetSourceAddress(),
-                                                      t_mem->GetOwner());
+    image_transfer_processor.SetTransferMemoryAddress(t_mem->GetSourceAddress());
     npad_device->SetPollingMode(Core::HID::EmulatedDeviceIndex::RightIndex,
                                 Common::Input::PollingMode::IR);
 

src/core/hle/service/jit/jit.cpp

@@ -35,7 +35,7 @@ public:
         , process{kernel, process_}
         , user_rx{std::move(user_rx_)}
         , user_ro{std::move(user_ro_)}
-        , context{process_->GetMemory()}
+        , context{system_.ApplicationMemory()}
     {
 
         // clang-format off

src/core/hle/service/nim/nim.cpp

@@ -5,136 +5,33 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 #include <chrono>
-#include <mutex>
-#include <string>
-#include <vector>
-
+#include <ctime>
 #include "core/core.h"
 #include "core/hle/kernel/k_event.h"
-#include "core/hle/service/cmif_serialization.h"
-#include "core/hle/service/cmif_types.h"
 #include "core/hle/service/ipc_helpers.h"
 #include "core/hle/service/kernel_helpers.h"
 #include "core/hle/service/nim/nim.h"
-#include "core/hle/service/os/event.h"
 #include "core/hle/service/server_manager.h"
 #include "core/hle/service/service.h"
 
 namespace Service::NIM {
+
 class IShopServiceAsync final : public ServiceFramework<IShopServiceAsync> {
 public:
     explicit IShopServiceAsync(Core::System& system_)
-        : ServiceFramework{system_, "IShopServiceAsync"},
-          service_context{system_, "IShopServiceAsync"} {
+        : ServiceFramework{system_, "IShopServiceAsync"} {
         // clang-format off
         static const FunctionInfo functions[] = {
-            {0, D<&IShopServiceAsync::Cancel>, "Cancel"},
-            {1, D<&IShopServiceAsync::GetSize>, "GetSize"},
-            {2, D<&IShopServiceAsync::Read>, "Read"},
-            {3, D<&IShopServiceAsync::GetErrorCode>, "GetErrorCode"},
-            {4, D<&IShopServiceAsync::Request>, "Request"},
-            {5, D<&IShopServiceAsync::Prepare>, "Prepare"},
+            {0, nullptr, "Cancel"},
+            {1, nullptr, "GetSize"},
+            {2, nullptr, "Read"},
+            {3, nullptr, "GetErrorCode"},
+            {4, nullptr, "Request"},
+            {5, nullptr, "Prepare"},
         };
         // clang-format on
 
         RegisterHandlers(functions);
-
-        completion_event = service_context.CreateEvent("IShopServiceAsync:Completion");
-    }
-
-    ~IShopServiceAsync() override {
-        CancelImpl();
-        service_context.CloseEvent(completion_event);
-    }
-
-    Kernel::KReadableEvent* GetEvent() const {
-        return &completion_event->GetReadableEvent();
-    }
-
-private:
-    KernelHelpers::ServiceContext service_context;
-    Kernel::KEvent* completion_event;
-
-    std::jthread worker;
-    std::atomic<u32> error_code{0};
-
-    std::mutex data_mutex;
-    std::vector<u8> download_data;
-
-    void CancelImpl() {
-        worker.request_stop();
-        if (worker.joinable()) {
-            worker.join();
-        }
-    }
-
-    Result Cancel() {
-        LOG_DEBUG(Service_NIM, "called");
-        CancelImpl();
-        R_SUCCEED();
-    }
-
-    Result GetSize(Out<u64> out_size) {
-        LOG_DEBUG(Service_NIM, "called");
-        std::scoped_lock lock{data_mutex};
-        *out_size = download_data.size();
-        R_SUCCEED();
-    }
-
-    Result Read(Out<u64> out_size, u64 offset, OutBuffer<BufferAttr_HipcAutoSelect> out_buffer) {
-        std::scoped_lock lock{data_mutex};
-
-        u64 actual_read = 0;
-        if (offset < download_data.size()) {
-            actual_read = std::min<u64>(out_buffer.size(), download_data.size() - offset);
-            std::memcpy(out_buffer.data(), download_data.data() + offset, actual_read);
-        }
-
-        *out_size = actual_read;
-        R_SUCCEED();
-    }
-
-    Result GetErrorCode(Out<u32> out_error_code) {
-        LOG_DEBUG(Service_NIM, "called");
-        *out_error_code = error_code.load();
-        R_SUCCEED();
-    }
-
-    Result Request() {
-        LOG_DEBUG(Service_NIM, "(STUBBED) called");
-        CancelImpl();
-
-        error_code.store(0);
-        completion_event->Clear(system.Kernel());
-
-        {
-            std::scoped_lock lock{data_mutex};
-            download_data.clear();
-        }
-
-        worker = std::jthread([this](const std::stop_token& stop_token) {
-            if (stop_token.stop_requested()) {
-                error_code.store(1);
-            } else {
-                std::scoped_lock lock{data_mutex};
-                // Dummy JSON response, else it fails...
-                const std::string dummy_response = "{}";
-                download_data.assign(dummy_response.begin(), dummy_response.end());
-                error_code.store(0);
-            }
-            completion_event->Signal(system.Kernel());
-        });
-
-        R_SUCCEED();
-    }
-
-    Result Prepare(InArray<char, BufferAttr_HipcMapAlias> in_path, InArray<char, BufferAttr_HipcMapAlias> in_post) {
-        LOG_DEBUG(Service_NIM, "called");
-        if (!in_path.empty()) {
-            std::string url(in_path.data(), in_path.size());
-            LOG_INFO(Service_NIM, "Preparing request for URL: {}", url);
-        }
-        R_SUCCEED();
     }
 };
 
@@ -152,13 +49,11 @@ public:
     }
 
 private:
-    void CreateAsyncInterface(HLERequestContext& ctx) {LOG_DEBUG(Service_NIM, "called");
-        auto async_interface = std::make_shared<IShopServiceAsync>(system);
-
-        IPC::ResponseBuilder rb{ctx, 2, 1, 1};
+    void CreateAsyncInterface(HLERequestContext& ctx) {
+        LOG_WARNING(Service_NIM, "(STUBBED) called");
+        IPC::ResponseBuilder rb{ctx, 2, 0, 1};
         rb.Push(ResultSuccess);
-        rb.PushCopyObjects(ctx, async_interface->GetEvent());
-        rb.PushIpcInterface<IShopServiceAsync>(ctx, std::move(async_interface));
+        rb.PushIpcInterface<IShopServiceAsync>(ctx, system);
     }
 };
 

src/core/hle/service/ns/read_only_application_control_data_interface.cpp

@@ -18,7 +18,6 @@
 #include "core/file_sys/control_metadata.h"
 #include "core/file_sys/patch_manager.h"
 #include "core/file_sys/vfs/vfs.h"
-#include "core/hle/kernel/k_process.h"
 #include "core/hle/kernel/k_transfer_memory.h"
 #include "core/hle/service/cmif_serialization.h"
 #include "core/hle/service/ns/language.h"
@@ -337,8 +336,8 @@ void IReadOnlyApplicationControlDataInterface::ListApplicationTitle(HLERequestCo
 
     constexpr s32 data_offset = 0;
 
-    if (t_mem != nullptr && t_mem->GetOwner() != nullptr && app_count > 0) {
-        auto& memory = t_mem->GetOwner()->GetMemory();
+    if (t_mem != nullptr && app_count > 0) {
+        auto& memory = system.ApplicationMemory();
         const auto t_mem_address = t_mem->GetSourceAddress();
 
         for (size_t i = 0; i < app_count; ++i) {

src/core/hle/service/nvdrv/devices/nvdisp_disp0.cpp

@@ -77,7 +77,6 @@ void nvdisp_disp0::Composite(std::span<const Nvnflinger::HwcLayer> sorted_layers
             .transform_flags = layer.transform,
             .crop_rect = layer.crop_rect,
             .blending = ConvertBlending(layer.blending),
-            .layer_stack_mask = layer.layer_stack_mask,
         });
 
         for (size_t i = 0; i < layer.acquire_fence.num_fences; i++) {

src/core/hle/service/nvdrv/devices/nvhost_gpu.cpp

@@ -69,7 +69,7 @@ NvResult nvhost_gpu::Ioctl1(DeviceFD fd, Ioctl command, std::span<const u8> inpu
         case 0x3:
             return WrapFixed(this, &nvhost_gpu::ChannelSetTimeout, input, output);
         case 0x8:
-            return WrapFixedVariable(this, &nvhost_gpu::SubmitGPFIFOBase1, input, output, fd, false);
+            return WrapFixedVariable(this, &nvhost_gpu::SubmitGPFIFOBase1, input, output, false);
         case 0x9:
             return WrapFixed(this, &nvhost_gpu::AllocateObjectContext, input, output);
         case 0xb:
@@ -83,7 +83,7 @@ NvResult nvhost_gpu::Ioctl1(DeviceFD fd, Ioctl command, std::span<const u8> inpu
         case 0x1a:
             return WrapFixed(this, &nvhost_gpu::AllocGPFIFOEx2, input, output, fd);
         case 0x1b:
-            return WrapFixedVariable(this, &nvhost_gpu::SubmitGPFIFOBase1, input, output, fd, true);
+            return WrapFixedVariable(this, &nvhost_gpu::SubmitGPFIFOBase1, input, output, true);
         case 0x1d:
             return WrapFixed(this, &nvhost_gpu::ChannelSetTimeslice, input, output);
         default:
@@ -387,19 +387,8 @@ NvResult nvhost_gpu::SubmitGPFIFOImpl(IoctlSubmitGpfifo& params, Tegra::CommandL
     return NvResult::Success;
 }
 
-Core::Memory::Memory& nvhost_gpu::GetSessionMemory(DeviceFD fd) {
-    if (const auto it = sessions.find(fd); it != sessions.end())
-        if (auto* const session = core.GetSession(it->second);
-            session != nullptr && session->process != nullptr)
-            return session->process->GetMemory();
-
-    LOG_ERROR(Service_NVDRV, "No session for fd={}, falling back to application memory", fd);
-    return system.ApplicationMemory();
-}
-
 NvResult nvhost_gpu::SubmitGPFIFOBase1(IoctlSubmitGpfifo& params,
-                                       std::span<Tegra::CommandListHeader> commands, DeviceFD fd,
-                                       bool kickoff) {
+                                       std::span<Tegra::CommandListHeader> commands, bool kickoff) {
     if (params.num_entries > commands.size()) {
         UNIMPLEMENTED();
         return NvResult::InvalidSize;
@@ -407,7 +396,7 @@ NvResult nvhost_gpu::SubmitGPFIFOBase1(IoctlSubmitGpfifo& params,
 
     Tegra::CommandList entries(params.num_entries);
     if (kickoff) {
-        this->GetSessionMemory(fd).ReadBlock(params.address, entries.command_lists.data(),
+        system.ApplicationMemory().ReadBlock(params.address, entries.command_lists.data(),
                                              params.num_entries * sizeof(Tegra::CommandListHeader));
     } else {
         std::memcpy(entries.command_lists.data(), commands.data(),

src/core/hle/service/nvdrv/devices/nvhost_gpu.h

@@ -16,10 +16,6 @@
 #include "core/hle/service/nvdrv/nvdata.h"
 #include "video_core/dma_pusher.h"
 
-namespace Core::Memory {
-class Memory;
-}
-
 namespace Tegra {
 namespace Control {
 struct ChannelState;
@@ -200,11 +196,8 @@ private:
 
     NvResult SubmitGPFIFOImpl(IoctlSubmitGpfifo& params, Tegra::CommandList&& entries);
 
-    Core::Memory::Memory& GetSessionMemory(DeviceFD fd);
-
     NvResult SubmitGPFIFOBase1(IoctlSubmitGpfifo& params,
-                               std::span<Tegra::CommandListHeader> commands, DeviceFD fd,
-                               bool kickoff = false);
+                               std::span<Tegra::CommandListHeader> commands, bool kickoff = false);
     NvResult SubmitGPFIFOBase2(IoctlSubmitGpfifo& params,
                                std::span<const Tegra::CommandListHeader> commands);
 

src/core/hle/service/nvnflinger/display.h

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
@@ -15,8 +15,7 @@ struct Layer {
     explicit Layer(std::shared_ptr<android::BufferItemConsumer> buffer_item_consumer_,
                    s32 consumer_id_)
         : buffer_item_consumer(std::move(buffer_item_consumer_)), consumer_id(consumer_id_),
-          blending(LayerBlending::None), visible(true), z_index(0), is_overlay(false),
-          layer_stack_mask(DefaultLayerStackMask) {}
+          blending(LayerBlending::None), visible(true), z_index(0), is_overlay(false) {}
     ~Layer() {
         buffer_item_consumer->Abandon();
     }
@@ -27,7 +26,6 @@ struct Layer {
     bool visible;
     s32 z_index;
     bool is_overlay;
-    u32 layer_stack_mask;
 };
 
 struct LayerStack {

src/core/hle/service/nvnflinger/hardware_composer.cpp

@@ -115,7 +115,6 @@ u32 HardwareComposer::ComposeLocked(f32* out_speed_scale, Display& display,
                 .transform = static_cast<android::BufferTransformFlags>(item.transform),
                 .crop_rect = item.crop,
                 .acquire_fence = item.fence,
-                .layer_stack_mask = layer->layer_stack_mask,
             });
         }
 

src/core/hle/service/nvnflinger/hwc_layer.h

@@ -1,6 +1,3 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
@@ -26,25 +23,6 @@ enum class LayerBlending : u32 {
     Coverage = 0x405,
 };
 
-enum class LayerStackId : u32 {
-    Default = 0,
-    Lcd = 1,
-    Screenshot = 2,
-    Recording = 3,
-    LastFrame = 4,
-    Arbitrary = 5,
-    ApplicationForDebug = 6,
-    Null = 10,
-};
-
-constexpr u32 LayerStackBit(LayerStackId id) {
-    return 1U << static_cast<u32>(id);
-}
-
-constexpr u32 DefaultLayerStackMask =
-    LayerStackBit(LayerStackId::Default) | LayerStackBit(LayerStackId::Screenshot) |
-    LayerStackBit(LayerStackId::Recording) | LayerStackBit(LayerStackId::LastFrame);
-
 struct HwcLayer {
     u32 buffer_handle;
     u32 offset;
@@ -57,7 +35,6 @@ struct HwcLayer {
     android::BufferTransformFlags transform;
     Common::Rectangle<int> crop_rect;
     android::Fence acquire_fence;
-    u32 layer_stack_mask;
 };
 
 } // namespace Service::Nvnflinger

src/core/hle/service/nvnflinger/surface_flinger.cpp

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
@@ -104,14 +104,6 @@ void SurfaceFlinger::SetLayerBlending(s32 consumer_binder_id, LayerBlending blen
     }
 }
 
-void SurfaceFlinger::SetLayerStackMask(s32 consumer_binder_id, u32 layer_stack_mask) {
-    if (const auto layer = this->FindLayer(consumer_binder_id); layer != nullptr) {
-        layer->layer_stack_mask = layer_stack_mask;
-        LOG_DEBUG(Service_VI, "Layer {} stack mask set to {:#x}", consumer_binder_id,
-                  layer_stack_mask);
-    }
-}
-
 void SurfaceFlinger::SetLayerIsOverlay(s32 consumer_binder_id, bool is_overlay) {
     if (const auto layer = this->FindLayer(consumer_binder_id); layer != nullptr) {
         layer->is_overlay = is_overlay;

src/core/hle/service/nvnflinger/surface_flinger.h

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
@@ -48,7 +48,6 @@ public:
     void SetLayerVisibility(s32 consumer_binder_id, bool visible);
     void SetLayerBlending(s32 consumer_binder_id, LayerBlending blending);
     void SetLayerIsOverlay(s32 consumer_binder_id, bool is_overlay);
-    void SetLayerStackMask(s32 consumer_binder_id, u32 layer_stack_mask);
 
     std::shared_ptr<Layer> FindLayer(s32 consumer_binder_id);
 

src/core/hle/service/pctl/parental_control_service.cpp

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
@@ -13,10 +13,8 @@
 
 namespace Service::PCTL {
 
-IParentalControlService::IParentalControlService(Core::System& system_, Capability capability_,
-                                                 u64 program_id_)
+IParentalControlService::IParentalControlService(Core::System& system_, Capability capability_)
     : ServiceFramework{system_, "IParentalControlService"}, capability{capability_},
-      program_id{program_id_},
       service_context{system_, "IParentalControlService"}, synchronization_event{service_context},
       unlinked_event{service_context}, request_suspension_event{service_context} {
     // clang-format off
@@ -204,6 +202,7 @@ Result IParentalControlService::Initialize() {
 
     // TODO(ogniK): Recovery flag initialization for pctl:r
 
+    const auto program_id = system.GetApplicationProcessProgramID();
     if (program_id != 0) {
         const FileSys::PatchManager pm{program_id, system.GetFileSystemController(),
                                        system.GetContentProvider()};

src/core/hle/service/pctl/parental_control_service.h

@@ -16,8 +16,7 @@ namespace Service::PCTL {
 
 class IParentalControlService final : public ServiceFramework<IParentalControlService> {
 public:
-    explicit IParentalControlService(Core::System& system_, Capability capability_,
-                                     u64 program_id_);
+    explicit IParentalControlService(Core::System& system_, Capability capability_);
     ~IParentalControlService() override;
 
 private:
@@ -85,7 +84,6 @@ private:
     RestrictionSettings restriction_settings{};
     std::array<char, 8> pin_code{};
     Capability capability{};
-    u64 program_id{};
     // TODO: this is raw
     PlayTimerSettings raw_play_timer_settings{};
 

src/core/hle/service/pctl/parental_control_service_factory.cpp

@@ -1,10 +1,6 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-#include "core/core.h"
 #include "core/hle/service/cmif_serialization.h"
 #include "core/hle/service/pctl/parental_control_service.h"
 #include "core/hle/service/pctl/parental_control_service_factory.h"
@@ -27,17 +23,17 @@ IParentalControlServiceFactory::~IParentalControlServiceFactory() = default;
 
 Result IParentalControlServiceFactory::CreateService(
     Out<SharedPointer<IParentalControlService>> out_service, ClientProcessId process_id) {
-    LOG_DEBUG(Service_PCTL, "called, process_id={}", process_id.pid);
-    *out_service = std::make_shared<IParentalControlService>(
-        system, capability, system.ResolveCallerProgramId(*process_id));
+    LOG_DEBUG(Service_PCTL, "called");
+    // TODO(ogniK): Get application id from process
+    *out_service = std::make_shared<IParentalControlService>(system, capability);
     R_SUCCEED();
 }
 
 Result IParentalControlServiceFactory::CreateServiceWithoutInitialize(
     Out<SharedPointer<IParentalControlService>> out_service, ClientProcessId process_id) {
-    LOG_DEBUG(Service_PCTL, "called, process_id={}", process_id.pid);
-    *out_service = std::make_shared<IParentalControlService>(
-        system, capability, system.ResolveCallerProgramId(*process_id));
+    LOG_DEBUG(Service_PCTL, "called");
+    // TODO(ogniK): Get application id from process
+    *out_service = std::make_shared<IParentalControlService>(system, capability);
     R_SUCCEED();
 }
 

src/core/hle/service/pm/pm.cpp

@@ -132,7 +132,8 @@ private:
 
         LOG_WARNING(Service_PM, "(Partial Implementation) called, pid={:016X}", pid);
 
-        auto process = kernel.GetProcessByProcessId(pid);
+        auto list = kernel.GetProcessList();
+        auto process = SearchProcessList(system.Kernel(), list, [pid](auto& p) { return p->GetProcessId() == pid; });
 
         if (process.IsNull()) {
             IPC::ResponseBuilder rb{ctx, 2};
@@ -185,7 +186,9 @@ private:
 
         LOG_DEBUG(Service_PM, "called, process_id={:016X}", process_id);
 
-        auto process = kernel.GetProcessByProcessId(process_id);
+        auto list = kernel.GetProcessList();
+        auto process = SearchProcessList(system.Kernel(),
+            list, [process_id](auto& p) { return p->GetProcessId() == process_id; });
 
         if (process.IsNull()) {
             IPC::ResponseBuilder rb{ctx, 2};

src/core/hle/service/prepo/prepo.cpp

@@ -76,7 +76,7 @@ private:
                   Type, process_id, data1.size(), data2.size());
 
         const auto& reporter{system.GetReporter()};
-        reporter.SavePlayReport(Type, system.ResolveCallerProgramId(process_id), {data1, data2},
+        reporter.SavePlayReport(Type, system.GetApplicationProcessProgramID(), {data1, data2},
                                 process_id);
 
         IPC::ResponseBuilder rb{ctx, 2};
@@ -98,7 +98,7 @@ private:
                   Type, user_id[1], user_id[0], process_id, data1.size(), data2.size());
 
         const auto& reporter{system.GetReporter()};
-        reporter.SavePlayReport(Type, system.ResolveCallerProgramId(process_id), {data1, data2},
+        reporter.SavePlayReport(Type, system.GetApplicationProcessProgramID(), {data1, data2},
                                 process_id, user_id);
 
         IPC::ResponseBuilder rb{ctx, 2};

src/core/hle/service/ssl/ssl.cpp

@@ -4,6 +4,18 @@
 // SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
+#include <mutex>
+
+#include <openssl/bio.h>
+#include <openssl/err.h>
+#include <openssl/ssl.h>
+#include <openssl/x509.h>
+#ifdef YUZU_BUNDLED_OPENSSL
+#include <openssl/cert.h>
+#endif
+
+#include "common/fs/file.h"
+#include "common/hex_util.h"
 #include "common/string_util.h"
 
 #include "core/core.h"
@@ -22,6 +34,377 @@
 
 namespace Service::SSL {
 
+namespace {
+
+std::once_flag one_time_init_flag;
+bool one_time_init_success = false;
+SSL_CTX* ssl_ctx = nullptr;
+BIO_METHOD* bio_meth = nullptr;
+Common::FS::IOFile key_log_file; // only open if SSLKEYLOGFILE set in environment
+
+Result CheckOpenSSLErrors();
+void OneTimeInit();
+void OneTimeInitLogFile();
+bool OneTimeInitBIO();
+
+#ifdef YUZU_BUNDLED_OPENSSL
+// This is ported from httplib
+struct scope_exit {
+  explicit scope_exit(std::function<void(void)> &&f)
+      : exit_function(std::move(f)), execute_on_destruction{true} {}
+
+  scope_exit(scope_exit &&rhs) noexcept
+      : exit_function(std::move(rhs.exit_function)),
+        execute_on_destruction{rhs.execute_on_destruction} {
+    rhs.release();
+  }
+
+  ~scope_exit() {
+    if (execute_on_destruction) { this->exit_function(); }
+  }
+
+  void release() { this->execute_on_destruction = false; }
+
+private:
+  scope_exit(const scope_exit &) = delete;
+  void operator=(const scope_exit &) = delete;
+  scope_exit &operator=(scope_exit &&) = delete;
+
+  std::function<void(void)> exit_function;
+  bool execute_on_destruction;
+};
+
+inline X509_STORE *CreateCaCertStore(const char *ca_cert,
+                                                    std::size_t size) {
+    auto mem = BIO_new_mem_buf(ca_cert, static_cast<int>(size));
+    auto se = scope_exit([&] { BIO_free_all(mem); });
+    if (!mem) { return nullptr; }
+
+    auto inf = PEM_X509_INFO_read_bio(mem, nullptr, nullptr, nullptr);
+    if (!inf) { return nullptr; }
+
+    auto cts = X509_STORE_new();
+    if (cts) {
+        for (auto i = 0; i < static_cast<int>(sk_X509_INFO_num(inf)); i++) {
+            auto itmp = sk_X509_INFO_value(inf, i);
+            if (!itmp) { continue; }
+
+            if (itmp->x509) { X509_STORE_add_cert(cts, itmp->x509); }
+            if (itmp->crl) { X509_STORE_add_crl(cts, itmp->crl); }
+        }
+    }
+
+    sk_X509_INFO_pop_free(inf, X509_INFO_free);
+    return cts;
+}
+
+inline void SetCaCertStore(SSL_CTX *ctx, X509_STORE *ca_cert_store) {
+    if (ca_cert_store) {
+        if (ctx) {
+            if (SSL_CTX_get_cert_store(ctx) != ca_cert_store) {
+                // Free memory allocated for old cert and use new store `ca_cert_store`
+                SSL_CTX_set_cert_store(ctx, ca_cert_store);
+            }
+        } else {
+            X509_STORE_free(ca_cert_store);
+        }
+    }
+}
+
+inline void LoadCaCertStore(SSL_CTX* ctx, const char* ca_cert, std::size_t size)
+{
+    SetCaCertStore(ctx, CreateCaCertStore(ca_cert, size));
+}
+#endif
+
+} // namespace
+
+class SSLConnectionBackend final {
+public:
+    Result Init() {
+        // on bundled OpenSSL, load ca cert store
+#ifdef YUZU_BUNDLED_OPENSSL
+        LoadCaCertStore(ssl_ctx, kCert, sizeof(kCert));
+#endif
+        std::call_once(one_time_init_flag, OneTimeInit);
+
+        if (!one_time_init_success) {
+            LOG_ERROR(Service_SSL, "Can't create SSL connection because OpenSSL one-time initialization failed");
+            return ResultInternalError;
+        }
+
+        ssl = SSL_new(ssl_ctx);
+        if (!ssl) {
+            LOG_ERROR(Service_SSL, "SSL_new failed");
+            return CheckOpenSSLErrors();
+        }
+        SSL_set_connect_state(ssl);
+        bio = BIO_new(bio_meth);
+        if (!bio) {
+            LOG_ERROR(Service_SSL, "BIO_new failed");
+            return CheckOpenSSLErrors();
+        }
+        BIO_set_data(bio, this);
+        BIO_set_init(bio, 1);
+        SSL_set_bio(ssl, bio, bio);
+        return ResultSuccess;
+    }
+
+    Result SetHostName(const std::string& hostname) {
+        if (!skip_cert_verification) {
+            if (!SSL_set1_host(ssl, hostname.c_str())) {
+                LOG_ERROR(Service_SSL, "SSL_set1_host({}) failed", hostname);
+                return CheckOpenSSLErrors();
+            }
+        }
+        if (!SSL_set_tlsext_host_name(ssl, hostname.c_str())) { // hostname for SNI
+            LOG_ERROR(Service_SSL, "SSL_set_tlsext_host_name({}) failed", hostname);
+            return CheckOpenSSLErrors();
+        }
+        return ResultSuccess;
+    }
+
+    void SetVerifyOption(u32 option) {
+        skip_cert_verification = (option == 0);
+        LOG_WARNING(Service_SSL, "option={} skip_verification={}", option,
+                    skip_cert_verification);
+        if (skip_cert_verification) {
+            SSL_set_verify(ssl, SSL_VERIFY_NONE, nullptr);
+            SSL_set1_host(ssl, nullptr);
+            SSL_set_hostflags(ssl, 0);
+        } else {
+            SSL_set_verify(ssl, SSL_VERIFY_PEER, nullptr);
+        }
+    }
+
+    Result DoHandshake() {
+        SSL_set_verify_result(ssl, X509_V_OK);
+        const int ret = SSL_do_handshake(ssl);
+
+        if (!skip_cert_verification) {
+            const long verify_result = SSL_get_verify_result(ssl);
+            if (verify_result != X509_V_OK) {
+                LOG_ERROR(Service_SSL, "SSL cert verification failed because: {}",
+                          X509_verify_cert_error_string(verify_result));
+                return CheckOpenSSLErrors();
+            }
+        }
+
+        if (ret <= 0) {
+            const int ssl_err = SSL_get_error(ssl, ret);
+            if (ssl_err == SSL_ERROR_ZERO_RETURN ||
+                (ssl_err == SSL_ERROR_SYSCALL && got_read_eof)) {
+                LOG_ERROR(Service_SSL, "SSL handshake failed because server hung up");
+                return ResultInternalError;
+            }
+        }
+        return HandleReturn("SSL_do_handshake", 0, ret);
+    }
+
+    Result HandleReturn(const char* what, size_t* actual, int ret) {
+        const int ssl_err = SSL_get_error(ssl, ret);
+        CheckOpenSSLErrors();
+        switch (ssl_err) {
+        case SSL_ERROR_NONE:
+            return ResultSuccess;
+        case SSL_ERROR_ZERO_RETURN:
+            LOG_DEBUG(Service_SSL, "{} => SSL_ERROR_ZERO_RETURN", what);
+            // DoHandshake special-cases this, but for Read and Write:
+            *actual = 0;
+            return ResultSuccess;
+        case SSL_ERROR_WANT_READ:
+            LOG_DEBUG(Service_SSL, "{} => SSL_ERROR_WANT_READ", what);
+            return ResultWouldBlock;
+        case SSL_ERROR_WANT_WRITE:
+            LOG_DEBUG(Service_SSL, "{} => SSL_ERROR_WANT_WRITE", what);
+            return ResultWouldBlock;
+        default:
+            if (ssl_err == SSL_ERROR_SYSCALL && got_read_eof) {
+                LOG_DEBUG(Service_SSL, "{} => SSL_ERROR_SYSCALL because server hung up", what);
+                *actual = 0;
+                return ResultSuccess;
+            }
+            LOG_ERROR(Service_SSL, "{} => other SSL_get_error return value {}", what, ssl_err);
+            return ResultInternalError;
+        }
+    }
+
+    ~SSLConnectionBackend() {
+        // this is null-tolerant:
+        SSL_free(ssl);
+    }
+
+    static void KeyLogCallback(const ::SSL* ssl, const char* line) {
+        std::string str(line);
+        str.push_back('\n');
+        // Do this in a single WriteString for atomicity if multiple instances
+        // are running on different threads (though that can't currently
+        // happen).
+        if (key_log_file.WriteString(str) != str.size() || !key_log_file.Flush()) {
+            LOG_CRITICAL(Service_SSL, "Failed to write to SSLKEYLOGFILE");
+        }
+        LOG_DEBUG(Service_SSL, "Wrote to SSLKEYLOGFILE: {}", line);
+    }
+
+    static int WriteCallback(BIO* bio, const char* buf, size_t len, size_t* actual_p) {
+        auto self = static_cast<SSLConnectionBackend*>(BIO_get_data(bio));
+        ASSERT_OR_EXECUTE_MSG(
+            self->socket, { return 0; }, "OpenSSL asked to send but we have no socket");
+        BIO_clear_retry_flags(bio);
+        auto [actual, err] = self->socket->Send({reinterpret_cast<const u8*>(buf), len}, 0);
+        switch (err) {
+        case Network::Errno::SUCCESS:
+            *actual_p = actual;
+            return 1;
+        case Network::Errno::AGAIN:
+            BIO_set_flags(bio, BIO_FLAGS_WRITE | BIO_FLAGS_SHOULD_RETRY);
+            return 0;
+        default:
+            LOG_ERROR(Service_SSL, "Socket send returned Network::Errno {}", err);
+            return -1;
+        }
+    }
+
+    static int ReadCallback(BIO* bio, char* buf, size_t len, size_t* actual_p) {
+        auto self = static_cast<SSLConnectionBackend*>(BIO_get_data(bio));
+        ASSERT_OR_EXECUTE_MSG(
+            self->socket, { return 0; }, "OpenSSL asked to recv but we have no socket");
+        BIO_clear_retry_flags(bio);
+        auto [actual, err] = self->socket->Recv(0, {reinterpret_cast<u8*>(buf), len});
+        switch (err) {
+        case Network::Errno::SUCCESS:
+            *actual_p = actual;
+            if (actual == 0) {
+                self->got_read_eof = true;
+            }
+            return actual ? 1 : 0;
+        case Network::Errno::AGAIN:
+            BIO_set_flags(bio, BIO_FLAGS_READ | BIO_FLAGS_SHOULD_RETRY);
+            return 0;
+        default:
+            LOG_ERROR(Service_SSL, "Socket recv returned Network::Errno {}", err);
+            return -1;
+        }
+    }
+
+    static long CtrlCallback(BIO* bio, int cmd, long l_arg, void* p_arg) {
+        switch (cmd) {
+        case BIO_CTRL_FLUSH:
+            // Nothing to flush.
+            return 1;
+        case BIO_CTRL_PUSH:
+        case BIO_CTRL_POP:
+#ifdef BIO_CTRL_GET_KTLS_SEND
+        case BIO_CTRL_GET_KTLS_SEND:
+        case BIO_CTRL_GET_KTLS_RECV:
+#endif
+            // We don't support these operations, but don't bother logging them
+            // as they're nothing unusual.
+            return 0;
+        default:
+            LOG_DEBUG(Service_SSL, "OpenSSL BIO got ctrl({}, {}, {})", cmd, l_arg, p_arg);
+            return 0;
+        }
+    }
+
+    ::SSL* ssl = nullptr;
+    BIO* bio = nullptr;
+    bool got_read_eof = false;
+    bool skip_cert_verification = false;
+    std::shared_ptr<Network::SocketBase> socket;
+};
+
+namespace {
+
+Result CreateSSLConnectionBackend(std::unique_ptr<SSLConnectionBackend>* out_backend) {
+    auto conn = std::make_unique<SSLConnectionBackend>();
+    R_TRY(conn->Init());
+    *out_backend = std::move(conn);
+    return ResultSuccess;
+}
+
+Result CheckOpenSSLErrors() {
+    unsigned long rc;
+    const char* file;
+    int line;
+    const char* func;
+    const char* data;
+    int flags;
+#if OPENSSL_VERSION_NUMBER >= 0x30000000L
+    while ((rc = ERR_get_error_all(&file, &line, &func, &data, &flags)))
+#else
+    // Can't get function names from OpenSSL on this version, so use mine:
+    func = __func__;
+    while ((rc = ERR_get_error_line_data(&file, &line, &data, &flags)))
+#endif
+    {
+        std::string msg;
+        msg.resize(1024, '\0');
+        ERR_error_string_n(rc, msg.data(), msg.size());
+        msg.resize(strlen(msg.data()), '\0');
+        if (flags & ERR_TXT_STRING) {
+            msg.append(" | ");
+            msg.append(data);
+        }
+        Common::Log::FmtLogMessage(Common::Log::Class::Service_SSL, Common::Log::Level::Error,
+                                   file, line, func, "OpenSSL: {}",
+                                   msg);
+    }
+    return ResultInternalError;
+}
+
+void OneTimeInit() {
+    ssl_ctx = SSL_CTX_new(TLS_client_method());
+    if (!ssl_ctx) {
+        LOG_ERROR(Service_SSL, "SSL_CTX_new failed");
+        CheckOpenSSLErrors();
+        return;
+    }
+
+    SSL_CTX_set_verify(ssl_ctx, SSL_VERIFY_PEER, nullptr);
+
+    if (!SSL_CTX_set_default_verify_paths(ssl_ctx)) {
+        LOG_ERROR(Service_SSL, "SSL_CTX_set_default_verify_paths failed");
+        CheckOpenSSLErrors();
+        return;
+    }
+
+    OneTimeInitLogFile();
+
+    if (!OneTimeInitBIO()) {
+        return;
+    }
+
+    one_time_init_success = true;
+}
+
+void OneTimeInitLogFile() {
+    const char* logfile = getenv("SSLKEYLOGFILE");
+    if (logfile) {
+        key_log_file.Open(logfile, Common::FS::FileAccessMode::Append, Common::FS::FileType::TextFile, Common::FS::FileShareFlag::ShareWriteOnly);
+        if (key_log_file.IsOpen()) {
+            SSL_CTX_set_keylog_callback(ssl_ctx, &SSLConnectionBackend::KeyLogCallback);
+        } else {
+            LOG_CRITICAL(Service_SSL, "SSLKEYLOGFILE was set but file could not be opened; not logging keys!");
+        }
+    }
+}
+
+bool OneTimeInitBIO() {
+    bio_meth =
+        BIO_meth_new(BIO_get_new_index() | BIO_TYPE_SOURCE_SINK, "SSLConnectionBackend");
+    if (!bio_meth ||
+        !BIO_meth_set_write_ex(bio_meth, &SSLConnectionBackend::WriteCallback) ||
+        !BIO_meth_set_read_ex(bio_meth, &SSLConnectionBackend::ReadCallback) ||
+        !BIO_meth_set_ctrl(bio_meth, &SSLConnectionBackend::CtrlCallback)) {
+        LOG_ERROR(Service_SSL, "Failed to create BIO_METHOD");
+        return false;
+    }
+    return true;
+}
+
+} // namespace
+
 // This is nn::ssl::sf::CertificateFormat
 enum class CertificateFormat : u32 {
     Pem = 1,
@@ -162,20 +545,17 @@ private:
 
         auto const res_v = bsd->DuplicateSocketImpl(fd);
         if (auto *res = std::get_if<s32>(&res_v)) {
-            const s32 duplicated_fd = *res;
-            if (do_not_close_socket) {
-                *out_fd = duplicated_fd;
-            } else {
-                *out_fd = -1;
-                fd_to_close = duplicated_fd;
-            }
-            std::optional<std::shared_ptr<Network::SocketBase>> sock = bsd->GetSocket(duplicated_fd);
+            const s32 dup_fd = *res;
+            *out_fd = do_not_close_socket ? dup_fd : -1;
+            if (!do_not_close_socket)
+                fd_to_close = dup_fd;
+            auto const sock = bsd->GetSocket(dup_fd);
             if (!sock.has_value()) {
-                LOG_ERROR(Service_SSL, "invalid socket fd {} after duplication", duplicated_fd);
+                LOG_ERROR(Service_SSL, "invalid socket fd {} after duplication", dup_fd);
                 return ResultInvalidSocket;
             }
             socket = std::move(*sock);
-            backend->SetSocket(socket);
+            backend->socket = std::move(socket);
             return ResultSuccess;
         }
         LOG_ERROR(Service_SSL, "Failed to duplicate socket with fd {}", fd);
@@ -189,11 +569,11 @@ private:
     }
 
     Result SetVerifyOptionImpl(u32 option) {
-        ASSERT(!did_handshake);
         LOG_DEBUG(Service_SSL, "called. option={} (forcing 0)", option);
+        ASSERT(!did_handshake);
         verify_option = 0;
         backend->SetVerifyOption(0);
-        return ResultSuccess;
+        R_SUCCEED();
     }
 
     Result SetIoModeImpl(u32 input_mode) {
@@ -206,13 +586,13 @@ private:
         if (error != Network::Errno::SUCCESS) {
             LOG_ERROR(Service_SSL, "Failed to set native socket non-block flag to {}", non_block);
         }
-        return ResultSuccess;
+        R_SUCCEED();
     }
 
     Result SetSessionCacheModeImpl(u32 mode) {
         ASSERT(!did_handshake);
         LOG_WARNING(Service_SSL, "(STUBBED) called. value={}", mode);
-        return ResultSuccess;
+        R_SUCCEED();
     }
 
     Result DoHandshakeImpl() {
@@ -234,19 +614,17 @@ private:
         };
         if (!get_server_cert_chain) {
             // Just return the first one, unencoded.
-            ASSERT_OR_EXECUTE_MSG(
-                !certs.empty(), { return {}; }, "Should be at least one server cert");
+            ASSERT_OR_EXECUTE_MSG(!certs.empty(), { return {}; }, "Should be at least one server cert");
             return certs[0];
         }
         std::vector<u8> ret;
-        Header header{0x4E4D684374726543, static_cast<u32>(certs.size()), 0};
+        Header header{0x4E4D684374726543, u32(certs.size()), 0};
         ret.insert(ret.end(), reinterpret_cast<u8*>(&header), reinterpret_cast<u8*>(&header + 1));
         size_t data_offset = sizeof(Header) + certs.size() * sizeof(EntryHeader);
         for (auto& cert : certs) {
-            EntryHeader entry_header{static_cast<u32>(cert.size()), static_cast<u32>(data_offset)};
+            EntryHeader entry_header{u32(cert.size()), u32(data_offset)};
             data_offset += cert.size();
-            ret.insert(ret.end(), reinterpret_cast<u8*>(&entry_header),
-                       reinterpret_cast<u8*>(&entry_header + 1));
+            ret.insert(ret.end(), reinterpret_cast<u8*>(&entry_header), reinterpret_cast<u8*>(&entry_header + 1));
         }
         for (auto& cert : certs) {
             ret.insert(ret.end(), cert.begin(), cert.end());
@@ -257,7 +635,8 @@ private:
     Result ReadImpl(std::vector<u8>* out_data) {
         ASSERT_OR_EXECUTE(did_handshake, { return ResultInternalError; });
         size_t actual_size{};
-        Result res = backend->Read(&actual_size, *out_data);
+        const int ret = SSL_read_ex(backend->ssl, out_data->data(), out_data->size(), &actual_size);
+        Result res = backend->HandleReturn("SSL_read_ex", &actual_size, ret);
         if (res != ResultSuccess) {
             return res;
         }
@@ -267,12 +646,13 @@ private:
 
     Result WriteImpl(size_t* out_size, std::span<const u8> data) {
         ASSERT_OR_EXECUTE(did_handshake, { return ResultInternalError; });
-        return backend->Write(out_size, data);
+        const int ret = SSL_write_ex(backend->ssl, data.data(), data.size(), out_size);
+        return backend->HandleReturn("SSL_write_ex", out_size, ret);
     }
 
     Result PendingImpl(s32* out_pending) {
         LOG_WARNING(Service_SSL, "(STUBBED) called.");
-        *out_pending = 0;
+        *out_pending = SSL_pending(backend->ssl);
         return ResultSuccess;
     }
 
@@ -326,24 +706,39 @@ private:
         OutputParameters out{};
         if (res == ResultSuccess) {
             std::vector<std::vector<u8>> certs;
-            res = backend->GetServerCerts(&certs);
-            if (res == ResultSuccess) {
+            STACK_OF(X509)* chain = SSL_get_peer_cert_chain(backend->ssl);
+            if (chain) {
+                int count = sk_X509_num(chain);
+                ASSERT(count >= 0);
+                for (int i = 0; i < count; i++) {
+                    X509* x509 = sk_X509_value(chain, i);
+                    ASSERT_OR_EXECUTE(x509 != nullptr, { continue; });
+                    unsigned char* buf = nullptr;
+                    int len = i2d_X509(x509, &buf);
+                    ASSERT_OR_EXECUTE(len >= 0 && buf, { continue; });
+                    certs.emplace_back(buf, buf + len);
+                    OPENSSL_free(buf);
+                }
+
+                // succeed!
                 const std::vector<u8> certs_buf = SerializeServerCerts(certs);
                 if (ctx.CanWriteBuffer()) {
                     const size_t buffer_size = ctx.GetWriteBufferSize();
                     if (certs_buf.size() <= buffer_size) {
                         ctx.WriteBuffer(certs_buf);
                     } else {
-                        LOG_WARNING(Service_SSL, "Certificate buffer too small: {} bytes needed, {} bytes available",
-                                    certs_buf.size(), buffer_size);
+                        LOG_WARNING(Service_SSL, "Certificate buffer too small: {} bytes needed, {} bytes available", certs_buf.size(), buffer_size);
                         ctx.WriteBuffer(std::span<const u8>(certs_buf.data(), buffer_size));
                     }
                 } else {
                     LOG_DEBUG(Service_SSL, "No output buffer provided for certificates ({} bytes)", certs_buf.size());
                 }
 
-                out.certs_count = static_cast<u32>(certs.size());
-                out.certs_size = static_cast<u32>(certs_buf.size());
+                out.certs_count = u32(certs.size());
+                out.certs_size = u32(certs_buf.size());
+            } else {
+                LOG_ERROR(Service_SSL, "SSL_get_peer_cert_chain returned nullptr");
+                res = ResultInternalError;
             }
         }
         IPC::ResponseBuilder rb{ctx, 4};

src/core/hle/service/ssl/ssl_backend.h

@@ -32,18 +32,4 @@ constexpr Result ResultInternalError{ErrorModule::SSLSrv, 999}; // made up
 // polling for read (with a timeout).
 constexpr Result ResultWouldBlock{ErrorModule::SSLSrv, 204};
 
-class SSLConnectionBackend {
-public:
-    virtual ~SSLConnectionBackend() {}
-    virtual void SetSocket(std::shared_ptr<Network::SocketBase> socket) = 0;
-    virtual Result SetHostName(const std::string& hostname) = 0;
-    virtual void SetVerifyOption(u32 option) = 0;
-    virtual Result DoHandshake() = 0;
-    virtual Result Read(size_t* out_size, std::span<u8> data) = 0;
-    virtual Result Write(size_t* out_size, std::span<const u8> data) = 0;
-    virtual Result GetServerCerts(std::vector<std::vector<u8>>* out_certs) = 0;
-};
-
-Result CreateSSLConnectionBackend(std::unique_ptr<SSLConnectionBackend>* out_backend);
-
 } // namespace Service::SSL

src/core/hle/service/ssl/ssl_backend_none.cpp

@@ -1,19 +0,0 @@
-// SPDX-FileCopyrightText: Copyright 2026 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
-
-#include "common/logging.h"
-
-#include "core/hle/service/ssl/ssl_backend.h"
-
-namespace Service::SSL {
-
-Result CreateSSLConnectionBackend(std::unique_ptr<SSLConnectionBackend>* out_backend) {
-    LOG_ERROR(Service_SSL,
-              "Can't create SSL connection because no SSL backend is available on this platform");
-    return ResultInternalError;
-}
-
-} // namespace Service::SSL

src/core/hle/service/ssl/ssl_backend_openssl.cpp

@@ -1,450 +0,0 @@
-// SPDX-FileCopyrightText: Copyright 2026 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
-
-#include <mutex>
-
-#include <openssl/bio.h>
-#include <openssl/err.h>
-#include <openssl/ssl.h>
-#include <openssl/x509.h>
-
-#include "common/fs/file.h"
-#include "common/hex_util.h"
-#include "common/string_util.h"
-
-#include "core/hle/service/ssl/ssl_backend.h"
-#include "core/internal_network/network.h"
-#include "core/internal_network/sockets.h"
-
-#ifdef YUZU_BUNDLED_OPENSSL
-#include <openssl/cert.h>
-#endif
-
-using namespace Common::FS;
-
-namespace Service::SSL {
-
-// Import OpenSSL's `SSL` type into the namespace.  This is needed because the
-// namespace is also named `SSL`.
-using ::SSL;
-
-namespace {
-
-std::once_flag one_time_init_flag;
-bool one_time_init_success = false;
-
-SSL_CTX* ssl_ctx;
-IOFile key_log_file; // only open if SSLKEYLOGFILE set in environment
-BIO_METHOD* bio_meth;
-
-Result CheckOpenSSLErrors();
-void OneTimeInit();
-void OneTimeInitLogFile();
-bool OneTimeInitBIO();
-
-#ifdef YUZU_BUNDLED_OPENSSL
-// This is ported from httplib
-struct scope_exit {
-  explicit scope_exit(std::function<void(void)> &&f)
-      : exit_function(std::move(f)), execute_on_destruction{true} {}
-
-  scope_exit(scope_exit &&rhs) noexcept
-      : exit_function(std::move(rhs.exit_function)),
-        execute_on_destruction{rhs.execute_on_destruction} {
-    rhs.release();
-  }
-
-  ~scope_exit() {
-    if (execute_on_destruction) { this->exit_function(); }
-  }
-
-  void release() { this->execute_on_destruction = false; }
-
-private:
-  scope_exit(const scope_exit &) = delete;
-  void operator=(const scope_exit &) = delete;
-  scope_exit &operator=(scope_exit &&) = delete;
-
-  std::function<void(void)> exit_function;
-  bool execute_on_destruction;
-};
-
-inline X509_STORE *CreateCaCertStore(const char *ca_cert,
-                                                    std::size_t size) {
-    auto mem = BIO_new_mem_buf(ca_cert, static_cast<int>(size));
-    auto se = scope_exit([&] { BIO_free_all(mem); });
-    if (!mem) { return nullptr; }
-
-    auto inf = PEM_X509_INFO_read_bio(mem, nullptr, nullptr, nullptr);
-    if (!inf) { return nullptr; }
-
-    auto cts = X509_STORE_new();
-    if (cts) {
-        for (auto i = 0; i < static_cast<int>(sk_X509_INFO_num(inf)); i++) {
-            auto itmp = sk_X509_INFO_value(inf, i);
-            if (!itmp) { continue; }
-
-            if (itmp->x509) { X509_STORE_add_cert(cts, itmp->x509); }
-            if (itmp->crl) { X509_STORE_add_crl(cts, itmp->crl); }
-        }
-    }
-
-    sk_X509_INFO_pop_free(inf, X509_INFO_free);
-    return cts;
-}
-
-inline void SetCaCertStore(SSL_CTX *ctx, X509_STORE *ca_cert_store) {
-    if (ca_cert_store) {
-        if (ctx) {
-            if (SSL_CTX_get_cert_store(ctx) != ca_cert_store) {
-                // Free memory allocated for old cert and use new store `ca_cert_store`
-                SSL_CTX_set_cert_store(ctx, ca_cert_store);
-            }
-        } else {
-            X509_STORE_free(ca_cert_store);
-        }
-    }
-}
-
-inline void LoadCaCertStore(SSL_CTX* ctx, const char* ca_cert, std::size_t size)
-{
-    SetCaCertStore(ctx, CreateCaCertStore(ca_cert, size));
-}
-#endif
-
-} // namespace
-
-class SSLConnectionBackendOpenSSL final : public SSLConnectionBackend {
-public:
-    Result Init() {
-        // on bundled OpenSSL, load ca cert store
-#ifdef YUZU_BUNDLED_OPENSSL
-        LoadCaCertStore(ssl_ctx, kCert, sizeof(kCert));
-#endif
-        std::call_once(one_time_init_flag, OneTimeInit);
-
-        if (!one_time_init_success) {
-            LOG_ERROR(Service_SSL,
-                      "Can't create SSL connection because OpenSSL one-time initialization failed");
-            return ResultInternalError;
-        }
-
-        ssl = SSL_new(ssl_ctx);
-        if (!ssl) {
-            LOG_ERROR(Service_SSL, "SSL_new failed");
-            return CheckOpenSSLErrors();
-        }
-
-        SSL_set_connect_state(ssl);
-
-        bio = BIO_new(bio_meth);
-        if (!bio) {
-            LOG_ERROR(Service_SSL, "BIO_new failed");
-            return CheckOpenSSLErrors();
-        }
-
-        BIO_set_data(bio, this);
-        BIO_set_init(bio, 1);
-        SSL_set_bio(ssl, bio, bio);
-
-        return ResultSuccess;
-    }
-
-    void SetSocket(std::shared_ptr<Network::SocketBase> socket_in) override {
-        socket = std::move(socket_in);
-    }
-
-    Result SetHostName(const std::string& hostname) override {
-        if (!skip_cert_verification) {
-            if (!SSL_set1_host(ssl, hostname.c_str())) {
-                LOG_ERROR(Service_SSL, "SSL_set1_host({}) failed", hostname);
-                return CheckOpenSSLErrors();
-            }
-        }
-        if (!SSL_set_tlsext_host_name(ssl, hostname.c_str())) { // hostname for SNI
-            LOG_ERROR(Service_SSL, "SSL_set_tlsext_host_name({}) failed", hostname);
-            return CheckOpenSSLErrors();
-        }
-        return ResultSuccess;
-    }
-
-    void SetVerifyOption(u32 option) override {
-        skip_cert_verification = (option == 0);
-        LOG_WARNING(Service_SSL, "option={} skip_verification={}", option,
-                    skip_cert_verification);
-        if (skip_cert_verification) {
-            SSL_set_verify(ssl, SSL_VERIFY_NONE, nullptr);
-            SSL_set1_host(ssl, nullptr);
-            SSL_set_hostflags(ssl, 0);
-        } else {
-            SSL_set_verify(ssl, SSL_VERIFY_PEER, nullptr);
-        }
-    }
-
-    Result DoHandshake() override {
-        SSL_set_verify_result(ssl, X509_V_OK);
-        const int ret = SSL_do_handshake(ssl);
-
-        if (!skip_cert_verification) {
-            const long verify_result = SSL_get_verify_result(ssl);
-            if (verify_result != X509_V_OK) {
-                LOG_ERROR(Service_SSL, "SSL cert verification failed because: {}",
-                          X509_verify_cert_error_string(verify_result));
-                return CheckOpenSSLErrors();
-            }
-        }
-
-        if (ret <= 0) {
-            const int ssl_err = SSL_get_error(ssl, ret);
-            if (ssl_err == SSL_ERROR_ZERO_RETURN ||
-                (ssl_err == SSL_ERROR_SYSCALL && got_read_eof)) {
-                LOG_ERROR(Service_SSL, "SSL handshake failed because server hung up");
-                return ResultInternalError;
-            }
-        }
-        return HandleReturn("SSL_do_handshake", 0, ret);
-    }
-
-    Result Read(size_t* out_size, std::span<u8> data) override {
-        const int ret = SSL_read_ex(ssl, data.data(), data.size(), out_size);
-        return HandleReturn("SSL_read_ex", out_size, ret);
-    }
-
-    Result Write(size_t* out_size, std::span<const u8> data) override {
-        const int ret = SSL_write_ex(ssl, data.data(), data.size(), out_size);
-        return HandleReturn("SSL_write_ex", out_size, ret);
-    }
-
-    Result HandleReturn(const char* what, size_t* actual, int ret) {
-        const int ssl_err = SSL_get_error(ssl, ret);
-        CheckOpenSSLErrors();
-        switch (ssl_err) {
-        case SSL_ERROR_NONE:
-            return ResultSuccess;
-        case SSL_ERROR_ZERO_RETURN:
-            LOG_DEBUG(Service_SSL, "{} => SSL_ERROR_ZERO_RETURN", what);
-            // DoHandshake special-cases this, but for Read and Write:
-            *actual = 0;
-            return ResultSuccess;
-        case SSL_ERROR_WANT_READ:
-            LOG_DEBUG(Service_SSL, "{} => SSL_ERROR_WANT_READ", what);
-            return ResultWouldBlock;
-        case SSL_ERROR_WANT_WRITE:
-            LOG_DEBUG(Service_SSL, "{} => SSL_ERROR_WANT_WRITE", what);
-            return ResultWouldBlock;
-        default:
-            if (ssl_err == SSL_ERROR_SYSCALL && got_read_eof) {
-                LOG_DEBUG(Service_SSL, "{} => SSL_ERROR_SYSCALL because server hung up", what);
-                *actual = 0;
-                return ResultSuccess;
-            }
-            LOG_ERROR(Service_SSL, "{} => other SSL_get_error return value {}", what, ssl_err);
-            return ResultInternalError;
-        }
-    }
-
-    Result GetServerCerts(std::vector<std::vector<u8>>* out_certs) override {
-        STACK_OF(X509)* chain = SSL_get_peer_cert_chain(ssl);
-        if (!chain) {
-            LOG_ERROR(Service_SSL, "SSL_get_peer_cert_chain returned nullptr");
-            return ResultInternalError;
-        }
-        int count = sk_X509_num(chain);
-        ASSERT(count >= 0);
-        for (int i = 0; i < count; i++) {
-            X509* x509 = sk_X509_value(chain, i);
-            ASSERT_OR_EXECUTE(x509 != nullptr, { continue; });
-            unsigned char* buf = nullptr;
-            int len = i2d_X509(x509, &buf);
-            ASSERT_OR_EXECUTE(len >= 0 && buf, { continue; });
-            out_certs->emplace_back(buf, buf + len);
-            OPENSSL_free(buf);
-        }
-        return ResultSuccess;
-    }
-
-    ~SSLConnectionBackendOpenSSL() {
-        // this is null-tolerant:
-        SSL_free(ssl);
-    }
-
-    static void KeyLogCallback(const SSL* ssl, const char* line) {
-        std::string str(line);
-        str.push_back('\n');
-        // Do this in a single WriteString for atomicity if multiple instances
-        // are running on different threads (though that can't currently
-        // happen).
-        if (key_log_file.WriteString(str) != str.size() || !key_log_file.Flush()) {
-            LOG_CRITICAL(Service_SSL, "Failed to write to SSLKEYLOGFILE");
-        }
-        LOG_DEBUG(Service_SSL, "Wrote to SSLKEYLOGFILE: {}", line);
-    }
-
-    static int WriteCallback(BIO* bio, const char* buf, size_t len, size_t* actual_p) {
-        auto self = static_cast<SSLConnectionBackendOpenSSL*>(BIO_get_data(bio));
-        ASSERT_OR_EXECUTE_MSG(
-            self->socket, { return 0; }, "OpenSSL asked to send but we have no socket");
-        BIO_clear_retry_flags(bio);
-        auto [actual, err] = self->socket->Send({reinterpret_cast<const u8*>(buf), len}, 0);
-        switch (err) {
-        case Network::Errno::SUCCESS:
-            *actual_p = actual;
-            return 1;
-        case Network::Errno::AGAIN:
-            BIO_set_flags(bio, BIO_FLAGS_WRITE | BIO_FLAGS_SHOULD_RETRY);
-            return 0;
-        default:
-            LOG_ERROR(Service_SSL, "Socket send returned Network::Errno {}", err);
-            return -1;
-        }
-    }
-
-    static int ReadCallback(BIO* bio, char* buf, size_t len, size_t* actual_p) {
-        auto self = static_cast<SSLConnectionBackendOpenSSL*>(BIO_get_data(bio));
-        ASSERT_OR_EXECUTE_MSG(
-            self->socket, { return 0; }, "OpenSSL asked to recv but we have no socket");
-        BIO_clear_retry_flags(bio);
-        auto [actual, err] = self->socket->Recv(0, {reinterpret_cast<u8*>(buf), len});
-        switch (err) {
-        case Network::Errno::SUCCESS:
-            *actual_p = actual;
-            if (actual == 0) {
-                self->got_read_eof = true;
-            }
-            return actual ? 1 : 0;
-        case Network::Errno::AGAIN:
-            BIO_set_flags(bio, BIO_FLAGS_READ | BIO_FLAGS_SHOULD_RETRY);
-            return 0;
-        default:
-            LOG_ERROR(Service_SSL, "Socket recv returned Network::Errno {}", err);
-            return -1;
-        }
-    }
-
-    static long CtrlCallback(BIO* bio, int cmd, long l_arg, void* p_arg) {
-        switch (cmd) {
-        case BIO_CTRL_FLUSH:
-            // Nothing to flush.
-            return 1;
-        case BIO_CTRL_PUSH:
-        case BIO_CTRL_POP:
-#ifdef BIO_CTRL_GET_KTLS_SEND
-        case BIO_CTRL_GET_KTLS_SEND:
-        case BIO_CTRL_GET_KTLS_RECV:
-#endif
-            // We don't support these operations, but don't bother logging them
-            // as they're nothing unusual.
-            return 0;
-        default:
-            LOG_DEBUG(Service_SSL, "OpenSSL BIO got ctrl({}, {}, {})", cmd, l_arg, p_arg);
-            return 0;
-        }
-    }
-
-    SSL* ssl = nullptr;
-    BIO* bio = nullptr;
-    bool got_read_eof = false;
-    bool skip_cert_verification = false;
-
-    std::shared_ptr<Network::SocketBase> socket;
-};
-
-Result CreateSSLConnectionBackend(std::unique_ptr<SSLConnectionBackend>* out_backend) {
-    auto conn = std::make_unique<SSLConnectionBackendOpenSSL>();
-
-    R_TRY(conn->Init());
-
-    *out_backend = std::move(conn);
-    return ResultSuccess;
-}
-
-namespace {
-
-Result CheckOpenSSLErrors() {
-    unsigned long rc;
-    const char* file;
-    int line;
-    const char* func;
-    const char* data;
-    int flags;
-#if OPENSSL_VERSION_NUMBER >= 0x30000000L
-    while ((rc = ERR_get_error_all(&file, &line, &func, &data, &flags)))
-#else
-    // Can't get function names from OpenSSL on this version, so use mine:
-    func = __func__;
-    while ((rc = ERR_get_error_line_data(&file, &line, &data, &flags)))
-#endif
-    {
-        std::string msg;
-        msg.resize(1024, '\0');
-        ERR_error_string_n(rc, msg.data(), msg.size());
-        msg.resize(strlen(msg.data()), '\0');
-        if (flags & ERR_TXT_STRING) {
-            msg.append(" | ");
-            msg.append(data);
-        }
-        Common::Log::FmtLogMessage(Common::Log::Class::Service_SSL, Common::Log::Level::Error,
-                                   file, line, func, "OpenSSL: {}",
-                                   msg);
-    }
-    return ResultInternalError;
-}
-
-void OneTimeInit() {
-    ssl_ctx = SSL_CTX_new(TLS_client_method());
-    if (!ssl_ctx) {
-        LOG_ERROR(Service_SSL, "SSL_CTX_new failed");
-        CheckOpenSSLErrors();
-        return;
-    }
-
-    SSL_CTX_set_verify(ssl_ctx, SSL_VERIFY_PEER, nullptr);
-
-    if (!SSL_CTX_set_default_verify_paths(ssl_ctx)) {
-        LOG_ERROR(Service_SSL, "SSL_CTX_set_default_verify_paths failed");
-        CheckOpenSSLErrors();
-        return;
-    }
-
-    OneTimeInitLogFile();
-
-    if (!OneTimeInitBIO()) {
-        return;
-    }
-
-    one_time_init_success = true;
-}
-
-void OneTimeInitLogFile() {
-    const char* logfile = getenv("SSLKEYLOGFILE");
-    if (logfile) {
-        key_log_file.Open(logfile, FileAccessMode::Append, FileType::TextFile,
-                          FileShareFlag::ShareWriteOnly);
-        if (key_log_file.IsOpen()) {
-            SSL_CTX_set_keylog_callback(ssl_ctx, &SSLConnectionBackendOpenSSL::KeyLogCallback);
-        } else {
-            LOG_CRITICAL(Service_SSL,
-                         "SSLKEYLOGFILE was set but file could not be opened; not logging keys!");
-        }
-    }
-}
-
-bool OneTimeInitBIO() {
-    bio_meth =
-        BIO_meth_new(BIO_get_new_index() | BIO_TYPE_SOURCE_SINK, "SSLConnectionBackendOpenSSL");
-    if (!bio_meth ||
-        !BIO_meth_set_write_ex(bio_meth, &SSLConnectionBackendOpenSSL::WriteCallback) ||
-        !BIO_meth_set_read_ex(bio_meth, &SSLConnectionBackendOpenSSL::ReadCallback) ||
-        !BIO_meth_set_ctrl(bio_meth, &SSLConnectionBackendOpenSSL::CtrlCallback)) {
-        LOG_ERROR(Service_SSL, "Failed to create BIO_METHOD");
-        return false;
-    }
-    return true;
-}
-
-} // namespace
-
-} // namespace Service::SSL

src/core/hle/service/ssl/ssl_backend_schannel.cpp

@@ -1,563 +0,0 @@
-// SPDX-FileCopyrightText: Copyright 2026 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
-
-#include <mutex>
-
-#include "common/error.h"
-#include "common/fs/file.h"
-#include "common/hex_util.h"
-#include "common/string_util.h"
-
-#include "core/hle/service/ssl/ssl_backend.h"
-#include "core/internal_network/network.h"
-#include "core/internal_network/sockets.h"
-
-namespace {
-
-// These includes are inside the namespace to avoid a conflict on MinGW where
-// the headers define an enum containing Network and Service as enumerators
-// (which clash with the correspondingly named namespaces).
-#define SECURITY_WIN32
-#include <schnlsp.h>
-#include <security.h>
-#include <wincrypt.h>
-
-std::once_flag one_time_init_flag;
-bool one_time_init_success = false;
-
-SCHANNEL_CRED schannel_cred{};
-CredHandle cred_handle;
-
-static void OneTimeInit() {
-    schannel_cred.dwVersion = SCHANNEL_CRED_VERSION;
-    schannel_cred.dwFlags =
-        SCH_USE_STRONG_CRYPTO |        // don't allow insecure protocols
-        SCH_CRED_NO_SERVERNAME_CHECK | // don't validate server names
-        SCH_CRED_NO_DEFAULT_CREDS;     // don't automatically present a client certificate
-    // ^ I'm assuming that nobody would want to connect Yuzu to a
-    // service that requires some OS-provided corporate client
-    // certificate, and presenting one to some arbitrary server
-    // might be a privacy concern?  Who knows, though.
-
-    const SECURITY_STATUS ret =
-        AcquireCredentialsHandle(nullptr, const_cast<LPTSTR>(UNISP_NAME), SECPKG_CRED_OUTBOUND,
-                                 nullptr, &schannel_cred, nullptr, nullptr, &cred_handle, nullptr);
-    if (ret != SEC_E_OK) {
-        // SECURITY_STATUS codes are a type of HRESULT and can be used with NativeErrorToString.
-        LOG_ERROR(Service_SSL, "AcquireCredentialsHandle failed: {}",
-                  Common::NativeErrorToString(ret));
-        return;
-    }
-
-    if (getenv("SSLKEYLOGFILE")) {
-        LOG_CRITICAL(Service_SSL, "SSLKEYLOGFILE was set but Schannel does not support exporting "
-                                  "keys; not logging keys!");
-        // Not fatal.
-    }
-
-    one_time_init_success = true;
-}
-
-} // namespace
-
-namespace Service::SSL {
-
-class SSLConnectionBackendSchannel final : public SSLConnectionBackend {
-public:
-    Result Init() {
-        std::call_once(one_time_init_flag, OneTimeInit);
-
-        if (!one_time_init_success) {
-            LOG_ERROR(
-                Service_SSL,
-                "Can't create SSL connection because Schannel one-time initialization failed");
-            return ResultInternalError;
-        }
-
-        return ResultSuccess;
-    }
-
-    void SetSocket(std::shared_ptr<Network::SocketBase> socket_in) override {
-        socket = std::move(socket_in);
-    }
-
-    Result SetHostName(const std::string& hostname_in) override {
-        hostname = hostname_in;
-        return ResultSuccess;
-    }
-
-    void SetVerifyOption(u32 option) override {
-        skip_cert_verification = (option == 0);
-        LOG_WARNING(Service_SSL, "option={} skip_verification={}", option,
-                    skip_cert_verification);
-    }
-
-    Result DoHandshake() override {
-        while (1) {
-            Result r;
-            switch (handshake_state) {
-            case HandshakeState::Initial:
-                if ((r = FlushCiphertextWriteBuf()) != ResultSuccess ||
-                    (r = CallInitializeSecurityContext()) != ResultSuccess) {
-                    return r;
-                }
-                // CallInitializeSecurityContext updated `handshake_state`.
-                continue;
-            case HandshakeState::ContinueNeeded:
-            case HandshakeState::IncompleteMessage:
-                if ((r = FlushCiphertextWriteBuf()) != ResultSuccess ||
-                    (r = FillCiphertextReadBuf()) != ResultSuccess) {
-                    return r;
-                }
-                if (ciphertext_read_buf.empty()) {
-                    LOG_ERROR(Service_SSL, "SSL handshake failed because server hung up");
-                    return ResultInternalError;
-                }
-                if ((r = CallInitializeSecurityContext()) != ResultSuccess) {
-                    return r;
-                }
-                // CallInitializeSecurityContext updated `handshake_state`.
-                continue;
-            case HandshakeState::DoneAfterFlush:
-                if ((r = FlushCiphertextWriteBuf()) != ResultSuccess) {
-                    return r;
-                }
-                handshake_state = HandshakeState::Connected;
-                return ResultSuccess;
-            case HandshakeState::Connected:
-                LOG_ERROR(Service_SSL, "Called DoHandshake but we already handshook");
-                return ResultInternalError;
-            case HandshakeState::Error:
-                return ResultInternalError;
-            }
-        }
-    }
-
-    Result FillCiphertextReadBuf() {
-        const size_t fill_size = read_buf_fill_size ? read_buf_fill_size : 4096;
-        read_buf_fill_size = 0;
-        // This unnecessarily zeroes the buffer; oh well.
-        const size_t offset = ciphertext_read_buf.size();
-        ASSERT_OR_EXECUTE(offset + fill_size >= offset, { return ResultInternalError; });
-        ciphertext_read_buf.resize(offset + fill_size, 0);
-        const auto read_span = std::span(ciphertext_read_buf).subspan(offset, fill_size);
-        const auto [actual, err] = socket->Recv(0, read_span);
-        switch (err) {
-        case Network::Errno::SUCCESS:
-            ASSERT(static_cast<size_t>(actual) <= fill_size);
-            ciphertext_read_buf.resize(offset + actual);
-            return ResultSuccess;
-        case Network::Errno::AGAIN:
-            ciphertext_read_buf.resize(offset);
-            return ResultWouldBlock;
-        default:
-            ciphertext_read_buf.resize(offset);
-            LOG_ERROR(Service_SSL, "Socket recv returned Network::Errno {}", err);
-            return ResultInternalError;
-        }
-    }
-
-    // Returns success if the write buffer has been completely emptied.
-    Result FlushCiphertextWriteBuf() {
-        while (!ciphertext_write_buf.empty()) {
-            const auto [actual, err] = socket->Send(ciphertext_write_buf, 0);
-            switch (err) {
-            case Network::Errno::SUCCESS:
-                ASSERT(static_cast<size_t>(actual) <= ciphertext_write_buf.size());
-                ciphertext_write_buf.erase(ciphertext_write_buf.begin(),
-                                           ciphertext_write_buf.begin() + actual);
-                break;
-            case Network::Errno::AGAIN:
-                return ResultWouldBlock;
-            default:
-                LOG_ERROR(Service_SSL, "Socket send returned Network::Errno {}", err);
-                return ResultInternalError;
-            }
-        }
-        return ResultSuccess;
-    }
-
-    Result CallInitializeSecurityContext() {
-        unsigned long req = ISC_REQ_ALLOCATE_MEMORY | ISC_REQ_CONFIDENTIALITY |
-                            ISC_REQ_INTEGRITY | ISC_REQ_REPLAY_DETECT |
-                            ISC_REQ_SEQUENCE_DETECT | ISC_REQ_STREAM |
-                            ISC_REQ_USE_SUPPLIED_CREDS;
-
-        if (skip_cert_verification) {
-            req |= ISC_REQ_MANUAL_CRED_VALIDATION;
-        }
-
-        unsigned long attr;
-        // https://learn.microsoft.com/en-us/windows/win32/secauthn/initializesecuritycontext--schannel
-        std::array<SecBuffer, 2> input_buffers{{
-            // only used if `initial_call_done`
-            {
-                // [0]
-                .cbBuffer = static_cast<unsigned long>(ciphertext_read_buf.size()),
-                .BufferType = SECBUFFER_TOKEN,
-                .pvBuffer = ciphertext_read_buf.data(),
-            },
-            {
-                // [1] (will be replaced by SECBUFFER_MISSING when SEC_E_INCOMPLETE_MESSAGE is
-                //     returned, or SECBUFFER_EXTRA when SEC_E_CONTINUE_NEEDED is returned if the
-                //     whole buffer wasn't used)
-                .cbBuffer = 0,
-                .BufferType = SECBUFFER_EMPTY,
-                .pvBuffer = nullptr,
-            },
-        }};
-        std::array<SecBuffer, 2> output_buffers{{
-            {
-                .cbBuffer = 0,
-                .BufferType = SECBUFFER_TOKEN,
-                .pvBuffer = nullptr,
-            }, // [0]
-            {
-                .cbBuffer = 0,
-                .BufferType = SECBUFFER_ALERT,
-                .pvBuffer = nullptr,
-            }, // [1]
-        }};
-        SecBufferDesc input_desc{
-            .ulVersion = SECBUFFER_VERSION,
-            .cBuffers = static_cast<unsigned long>(input_buffers.size()),
-            .pBuffers = input_buffers.data(),
-        };
-        SecBufferDesc output_desc{
-            .ulVersion = SECBUFFER_VERSION,
-            .cBuffers = static_cast<unsigned long>(output_buffers.size()),
-            .pBuffers = output_buffers.data(),
-        };
-        ASSERT_OR_EXECUTE_MSG(
-            input_buffers[0].cbBuffer == ciphertext_read_buf.size(),
-            { return ResultInternalError; }, "read buffer too large");
-
-        bool initial_call_done = handshake_state != HandshakeState::Initial;
-        if (initial_call_done) {
-            LOG_DEBUG(Service_SSL, "Passing {} bytes into InitializeSecurityContext",
-                      ciphertext_read_buf.size());
-        }
-
-        char* hostname_ptr = hostname ? const_cast<char*>(hostname->c_str()) : nullptr;
-        const SECURITY_STATUS ret = InitializeSecurityContextA(
-            &cred_handle, initial_call_done ? &ctxt : nullptr, hostname_ptr, req,
-            0, // Reserved1
-            0, // TargetDataRep not used with Schannel
-            initial_call_done ? &input_desc : nullptr,
-            0, // Reserved2
-            initial_call_done ? nullptr : &ctxt, &output_desc, &attr,
-            nullptr); // ptsExpiry
-
-        if (output_buffers[0].pvBuffer) {
-            const std::span span(static_cast<u8*>(output_buffers[0].pvBuffer),
-                                 output_buffers[0].cbBuffer);
-            ciphertext_write_buf.insert(ciphertext_write_buf.end(), span.begin(), span.end());
-            FreeContextBuffer(output_buffers[0].pvBuffer);
-        }
-
-        if (output_buffers[1].pvBuffer) {
-            const std::span span(static_cast<u8*>(output_buffers[1].pvBuffer),
-                                 output_buffers[1].cbBuffer);
-            // The documentation doesn't explain what format this data is in.
-            LOG_DEBUG(Service_SSL, "Got a {}-byte alert buffer: {}", span.size(),
-                      Common::HexToString(span));
-        }
-
-        switch (ret) {
-        case SEC_I_CONTINUE_NEEDED:
-            LOG_DEBUG(Service_SSL, "InitializeSecurityContext => SEC_I_CONTINUE_NEEDED");
-            if (input_buffers[1].BufferType == SECBUFFER_EXTRA) {
-                LOG_DEBUG(Service_SSL, "EXTRA of size {}", input_buffers[1].cbBuffer);
-                ASSERT(input_buffers[1].cbBuffer <= ciphertext_read_buf.size());
-                ciphertext_read_buf.erase(ciphertext_read_buf.begin(),
-                                          ciphertext_read_buf.end() - input_buffers[1].cbBuffer);
-            } else {
-                ASSERT(input_buffers[1].BufferType == SECBUFFER_EMPTY);
-                ciphertext_read_buf.clear();
-            }
-            handshake_state = HandshakeState::ContinueNeeded;
-            return ResultSuccess;
-        case SEC_E_INCOMPLETE_MESSAGE:
-            LOG_DEBUG(Service_SSL, "InitializeSecurityContext => SEC_E_INCOMPLETE_MESSAGE");
-            ASSERT(input_buffers[1].BufferType == SECBUFFER_MISSING);
-            read_buf_fill_size = input_buffers[1].cbBuffer;
-            handshake_state = HandshakeState::IncompleteMessage;
-            return ResultSuccess;
-        case SEC_E_OK:
-            LOG_DEBUG(Service_SSL, "InitializeSecurityContext => SEC_E_OK");
-            ciphertext_read_buf.clear();
-            handshake_state = HandshakeState::DoneAfterFlush;
-            return GrabStreamSizes();
-        default:
-            LOG_ERROR(Service_SSL,
-                      "InitializeSecurityContext failed (probably certificate/protocol issue): {}",
-                      Common::NativeErrorToString(ret));
-            handshake_state = HandshakeState::Error;
-            return ResultInternalError;
-        }
-    }
-
-    Result GrabStreamSizes() {
-        const SECURITY_STATUS ret =
-            QueryContextAttributes(&ctxt, SECPKG_ATTR_STREAM_SIZES, &stream_sizes);
-        if (ret != SEC_E_OK) {
-            LOG_ERROR(Service_SSL, "QueryContextAttributes(SECPKG_ATTR_STREAM_SIZES) failed: {}",
-                      Common::NativeErrorToString(ret));
-            handshake_state = HandshakeState::Error;
-            return ResultInternalError;
-        }
-        return ResultSuccess;
-    }
-
-    Result Read(size_t* out_size, std::span<u8> data) override {
-        *out_size = 0;
-        if (handshake_state != HandshakeState::Connected) {
-            LOG_ERROR(Service_SSL, "Called Read but we did not successfully handshake");
-            return ResultInternalError;
-        }
-        if (data.size() == 0 || got_read_eof) {
-            return ResultSuccess;
-        }
-        while (1) {
-            if (!cleartext_read_buf.empty()) {
-                *out_size = (std::min)(cleartext_read_buf.size(), data.size());
-                std::memcpy(data.data(), cleartext_read_buf.data(), *out_size);
-                cleartext_read_buf.erase(cleartext_read_buf.begin(),
-                                         cleartext_read_buf.begin() + *out_size);
-                return ResultSuccess;
-            }
-            if (!ciphertext_read_buf.empty()) {
-                SecBuffer empty{
-                    .cbBuffer = 0,
-                    .BufferType = SECBUFFER_EMPTY,
-                    .pvBuffer = nullptr,
-                };
-                std::array<SecBuffer, 5> buffers{{
-                    {
-                        .cbBuffer = static_cast<unsigned long>(ciphertext_read_buf.size()),
-                        .BufferType = SECBUFFER_DATA,
-                        .pvBuffer = ciphertext_read_buf.data(),
-                    },
-                    empty,
-                    empty,
-                    empty,
-                }};
-                ASSERT_OR_EXECUTE_MSG(
-                    buffers[0].cbBuffer == ciphertext_read_buf.size(),
-                    { return ResultInternalError; }, "read buffer too large");
-                SecBufferDesc desc{
-                    .ulVersion = SECBUFFER_VERSION,
-                    .cBuffers = static_cast<unsigned long>(buffers.size()),
-                    .pBuffers = buffers.data(),
-                };
-                SECURITY_STATUS ret =
-                    DecryptMessage(&ctxt, &desc, /*MessageSeqNo*/ 0, /*pfQOP*/ nullptr);
-                switch (ret) {
-                case SEC_E_OK:
-                    ASSERT_OR_EXECUTE(buffers[0].BufferType == SECBUFFER_STREAM_HEADER,
-                                      { return ResultInternalError; });
-                    ASSERT_OR_EXECUTE(buffers[1].BufferType == SECBUFFER_DATA,
-                                      { return ResultInternalError; });
-                    ASSERT_OR_EXECUTE(buffers[2].BufferType == SECBUFFER_STREAM_TRAILER,
-                                      { return ResultInternalError; });
-                    cleartext_read_buf.assign(static_cast<u8*>(buffers[1].pvBuffer),
-                                              static_cast<u8*>(buffers[1].pvBuffer) +
-                                                  buffers[1].cbBuffer);
-                    if (buffers[3].BufferType == SECBUFFER_EXTRA) {
-                        ASSERT(buffers[3].cbBuffer <= ciphertext_read_buf.size());
-                        ciphertext_read_buf.erase(ciphertext_read_buf.begin(),
-                                                  ciphertext_read_buf.end() - buffers[3].cbBuffer);
-                    } else {
-                        ASSERT(buffers[3].BufferType == SECBUFFER_EMPTY);
-                        ciphertext_read_buf.clear();
-                    }
-                    continue;
-                case SEC_E_INCOMPLETE_MESSAGE:
-                    break;
-                case SEC_I_CONTEXT_EXPIRED:
-                    // Server hung up by sending close_notify.
-                    got_read_eof = true;
-                    *out_size = 0;
-                    return ResultSuccess;
-                default:
-                    LOG_ERROR(Service_SSL, "DecryptMessage failed: {}",
-                              Common::NativeErrorToString(ret));
-                    return ResultInternalError;
-                }
-            }
-            const Result r = FillCiphertextReadBuf();
-            if (r != ResultSuccess) {
-                return r;
-            }
-            if (ciphertext_read_buf.empty()) {
-                got_read_eof = true;
-                *out_size = 0;
-                return ResultSuccess;
-            }
-        }
-    }
-
-    Result Write(size_t* out_size, std::span<const u8> data) override {
-        *out_size = 0;
-
-        if (handshake_state != HandshakeState::Connected) {
-            LOG_ERROR(Service_SSL, "Called Write but we did not successfully handshake");
-            return ResultInternalError;
-        }
-        if (data.size() == 0) {
-            return ResultSuccess;
-        }
-        data = data.subspan(0, std::min<size_t>(data.size(), stream_sizes.cbMaximumMessage));
-        if (!cleartext_write_buf.empty()) {
-            // Already in the middle of a write.  It wouldn't make sense to not
-            // finish sending the entire buffer since TLS has
-            // header/MAC/padding/etc.
-            if (data.size() != cleartext_write_buf.size() ||
-                std::memcmp(data.data(), cleartext_write_buf.data(), data.size())) {
-                LOG_ERROR(Service_SSL, "Called Write but buffer does not match previous buffer");
-                return ResultInternalError;
-            }
-            return WriteAlreadyEncryptedData(out_size);
-        } else {
-            cleartext_write_buf.assign(data.begin(), data.end());
-        }
-
-        std::vector<u8> header_buf(stream_sizes.cbHeader, 0);
-        std::vector<u8> tmp_data_buf = cleartext_write_buf;
-        std::vector<u8> trailer_buf(stream_sizes.cbTrailer, 0);
-
-        std::array<SecBuffer, 3> buffers{{
-            {
-                .cbBuffer = stream_sizes.cbHeader,
-                .BufferType = SECBUFFER_STREAM_HEADER,
-                .pvBuffer = header_buf.data(),
-            },
-            {
-                .cbBuffer = static_cast<unsigned long>(tmp_data_buf.size()),
-                .BufferType = SECBUFFER_DATA,
-                .pvBuffer = tmp_data_buf.data(),
-            },
-            {
-                .cbBuffer = stream_sizes.cbTrailer,
-                .BufferType = SECBUFFER_STREAM_TRAILER,
-                .pvBuffer = trailer_buf.data(),
-            },
-        }};
-        ASSERT_OR_EXECUTE_MSG(
-            buffers[1].cbBuffer == tmp_data_buf.size(), { return ResultInternalError; },
-            "temp buffer too large");
-        SecBufferDesc desc{
-            .ulVersion = SECBUFFER_VERSION,
-            .cBuffers = static_cast<unsigned long>(buffers.size()),
-            .pBuffers = buffers.data(),
-        };
-
-        const SECURITY_STATUS ret = EncryptMessage(&ctxt, /*fQOP*/ 0, &desc, /*MessageSeqNo*/ 0);
-        if (ret != SEC_E_OK) {
-            LOG_ERROR(Service_SSL, "EncryptMessage failed: {}", Common::NativeErrorToString(ret));
-            return ResultInternalError;
-        }
-        ciphertext_write_buf.insert(ciphertext_write_buf.end(), header_buf.begin(),
-                                    header_buf.end());
-        ciphertext_write_buf.insert(ciphertext_write_buf.end(), tmp_data_buf.begin(),
-                                    tmp_data_buf.end());
-        ciphertext_write_buf.insert(ciphertext_write_buf.end(), trailer_buf.begin(),
-                                    trailer_buf.end());
-        return WriteAlreadyEncryptedData(out_size);
-    }
-
-    Result WriteAlreadyEncryptedData(size_t* out_size) {
-        const Result r = FlushCiphertextWriteBuf();
-        if (r != ResultSuccess) {
-            return r;
-        }
-        // write buf is empty
-        *out_size = cleartext_write_buf.size();
-        cleartext_write_buf.clear();
-        return ResultSuccess;
-    }
-
-    Result GetServerCerts(std::vector<std::vector<u8>>* out_certs) override {
-        PCCERT_CONTEXT returned_cert = nullptr;
-        const SECURITY_STATUS ret =
-            QueryContextAttributes(&ctxt, SECPKG_ATTR_REMOTE_CERT_CONTEXT, &returned_cert);
-        if (ret != SEC_E_OK) {
-            LOG_ERROR(Service_SSL,
-                      "QueryContextAttributes(SECPKG_ATTR_REMOTE_CERT_CONTEXT) failed: {}",
-                      Common::NativeErrorToString(ret));
-            return ResultInternalError;
-        }
-        PCCERT_CONTEXT some_cert = nullptr;
-        while ((some_cert = CertEnumCertificatesInStore(returned_cert->hCertStore, some_cert)) !=
-               nullptr) {
-            out_certs->emplace_back(static_cast<u8*>(some_cert->pbCertEncoded),
-                                    static_cast<u8*>(some_cert->pbCertEncoded) +
-                                        some_cert->cbCertEncoded);
-        }
-        std::reverse(out_certs->begin(),
-                     out_certs->end()); // Windows returns certs in reverse order from what we want
-        CertFreeCertificateContext(returned_cert);
-        return ResultSuccess;
-    }
-
-    ~SSLConnectionBackendSchannel() {
-        if (handshake_state != HandshakeState::Initial) {
-            DeleteSecurityContext(&ctxt);
-        }
-    }
-
-    enum class HandshakeState {
-        // Haven't called anything yet.
-        Initial,
-        // `SEC_I_CONTINUE_NEEDED` was returned by
-        // `InitializeSecurityContext`; must finish sending data (if any) in
-        // the write buffer, then read at least one byte before calling
-        // `InitializeSecurityContext` again.
-        ContinueNeeded,
-        // `SEC_E_INCOMPLETE_MESSAGE` was returned by
-        // `InitializeSecurityContext`; hopefully the write buffer is empty;
-        // must read at least one byte before calling
-        // `InitializeSecurityContext` again.
-        IncompleteMessage,
-        // `SEC_E_OK` was returned by `InitializeSecurityContext`; must
-        // finish sending data in the write buffer before having `DoHandshake`
-        // report success.
-        DoneAfterFlush,
-        // We finished the above and are now connected.  At this point, writing
-        // and reading are separate 'state machines' represented by the
-        // nonemptiness of the ciphertext and cleartext read and write buffers.
-        Connected,
-        // Another error was returned and we shouldn't allow initialization
-        // to continue.
-        Error,
-    } handshake_state = HandshakeState::Initial;
-
-    CtxtHandle ctxt;
-    SecPkgContext_StreamSizes stream_sizes;
-
-    std::shared_ptr<Network::SocketBase> socket;
-    std::optional<std::string> hostname;
-
-    std::vector<u8> ciphertext_read_buf;
-    std::vector<u8> ciphertext_write_buf;
-    std::vector<u8> cleartext_read_buf;
-    std::vector<u8> cleartext_write_buf;
-
-    bool got_read_eof = false;
-    bool skip_cert_verification = false;
-    size_t read_buf_fill_size = 0;
-};
-
-Result CreateSSLConnectionBackend(std::unique_ptr<SSLConnectionBackend>* out_backend) {
-    auto conn = std::make_unique<SSLConnectionBackendSchannel>();
-
-    R_TRY(conn->Init());
-
-    *out_backend = std::move(conn);
-    return ResultSuccess;
-}
-
-} // namespace Service::SSL

src/core/hle/service/ssl/ssl_backend_securetransport.cpp

@@ -1,236 +0,0 @@
-// SPDX-FileCopyrightText: Copyright 2026 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
-
-#include <mutex>
-
-// SecureTransport has been deprecated in its entirety in favor of
-// Network.framework, but that does not allow layering TLS on top of an
-// arbitrary socket.
-#if defined(__GNUC__) || defined(__clang__)
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
-#include <Security/SecureTransport.h>
-#pragma GCC diagnostic pop
-#endif
-
-#include "core/hle/service/ssl/ssl_backend.h"
-#include "core/internal_network/network.h"
-#include "core/internal_network/sockets.h"
-
-namespace {
-
-template <typename T>
-struct CFReleaser {
-    T ptr;
-
-    YUZU_NON_COPYABLE(CFReleaser);
-    constexpr CFReleaser() : ptr(nullptr) {}
-    constexpr CFReleaser(T ptr) : ptr(ptr) {}
-    constexpr operator T() {
-        return ptr;
-    }
-    ~CFReleaser() {
-        if (ptr) {
-            CFRelease(ptr);
-        }
-    }
-};
-
-std::string CFStringToString(CFStringRef cfstr) {
-    CFReleaser<CFDataRef> cfdata(
-        CFStringCreateExternalRepresentation(nullptr, cfstr, kCFStringEncodingUTF8, 0));
-    ASSERT_OR_EXECUTE(cfdata, { return "???"; });
-    return std::string(reinterpret_cast<const char*>(CFDataGetBytePtr(cfdata)),
-                       CFDataGetLength(cfdata));
-}
-
-std::string OSStatusToString(OSStatus status) {
-    CFReleaser<CFStringRef> cfstr(SecCopyErrorMessageString(status, nullptr));
-    if (!cfstr) {
-        return "[unknown error]";
-    }
-    return CFStringToString(cfstr);
-}
-
-} // namespace
-
-namespace Service::SSL {
-
-class SSLConnectionBackendSecureTransport final : public SSLConnectionBackend {
-public:
-    Result Init() {
-        static std::once_flag once_flag;
-        std::call_once(once_flag, []() {
-            if (getenv("SSLKEYLOGFILE")) {
-                LOG_CRITICAL(Service_SSL, "SSLKEYLOGFILE was set but SecureTransport does not "
-                                          "support exporting keys; not logging keys!");
-                // Not fatal.
-            }
-        });
-
-        context.ptr = SSLCreateContext(nullptr, kSSLClientSide, kSSLStreamType);
-        if (!context) {
-            LOG_ERROR(Service_SSL, "SSLCreateContext failed");
-            return ResultInternalError;
-        }
-
-        OSStatus status;
-        if ((status = SSLSetIOFuncs(context, ReadCallback, WriteCallback)) ||
-            (status = SSLSetConnection(context, this))) {
-            LOG_ERROR(Service_SSL, "SSLContext initialization failed: {}",
-                      OSStatusToString(status));
-            return ResultInternalError;
-        }
-
-        return ResultSuccess;
-    }
-
-    void SetSocket(std::shared_ptr<Network::SocketBase> in_socket) override {
-        socket = std::move(in_socket);
-    }
-
-    Result SetHostName(const std::string& hostname) override {
-        OSStatus status = SSLSetPeerDomainName(context, hostname.c_str(), hostname.size());
-        if (status) {
-            LOG_ERROR(Service_SSL, "SSLSetPeerDomainName failed: {}", OSStatusToString(status));
-            return ResultInternalError;
-        }
-        return ResultSuccess;
-    }
-
-    void SetVerifyOption(u32 option) override {
-        skip_cert_verification = (option == 0);
-        LOG_WARNING(Service_SSL, "option={} skip_verification={}", option,
-                    skip_cert_verification);
-        if (skip_cert_verification) {
-            SSLSetSessionOption(context, kSSLSessionOptionBreakOnServerAuth, true);
-        }
-    }
-
-    Result DoHandshake() override {
-        OSStatus status = SSLHandshake(context);
-
-        if (skip_cert_verification && status == errSSLServerAuthCompleted) {
-            LOG_DEBUG(Service_SSL, "Skipping certificate verification as requested");
-            status = SSLHandshake(context);
-        }
-
-        return HandleReturn("SSLHandshake", 0, status);
-    }
-
-    Result Read(size_t* out_size, std::span<u8> data) override {
-        OSStatus status = SSLRead(context, data.data(), data.size(), out_size);
-        return HandleReturn("SSLRead", out_size, status);
-    }
-
-    Result Write(size_t* out_size, std::span<const u8> data) override {
-        OSStatus status = SSLWrite(context, data.data(), data.size(), out_size);
-        return HandleReturn("SSLWrite", out_size, status);
-    }
-
-    Result HandleReturn(const char* what, size_t* actual, OSStatus status) {
-        switch (status) {
-        case 0:
-            return ResultSuccess;
-        case errSSLWouldBlock:
-            return ResultWouldBlock;
-        default: {
-            std::string reason;
-            if (got_read_eof) {
-                reason = "server hung up";
-            } else {
-                reason = OSStatusToString(status);
-            }
-            LOG_ERROR(Service_SSL, "{} failed: {}", what, reason);
-            return ResultInternalError;
-        }
-        }
-    }
-
-    Result GetServerCerts(std::vector<std::vector<u8>>* out_certs) override {
-        CFReleaser<SecTrustRef> trust;
-        OSStatus status = SSLCopyPeerTrust(context, &trust.ptr);
-        if (status) {
-            LOG_ERROR(Service_SSL, "SSLCopyPeerTrust failed: {}", OSStatusToString(status));
-            return ResultInternalError;
-        }
-        for (CFIndex i = 0, count = SecTrustGetCertificateCount(trust); i < count; i++) {
-            SecCertificateRef cert = SecTrustGetCertificateAtIndex(trust, i);
-            CFReleaser<CFDataRef> data(SecCertificateCopyData(cert));
-            ASSERT_OR_EXECUTE(data, { return ResultInternalError; });
-            const u8* ptr = CFDataGetBytePtr(data);
-            out_certs->emplace_back(ptr, ptr + CFDataGetLength(data));
-        }
-        return ResultSuccess;
-    }
-
-    static OSStatus ReadCallback(SSLConnectionRef connection, void* data, size_t* dataLength) {
-        return ReadOrWriteCallback(connection, data, dataLength, true);
-    }
-
-    static OSStatus WriteCallback(SSLConnectionRef connection, const void* data,
-                                  size_t* dataLength) {
-        return ReadOrWriteCallback(connection, const_cast<void*>(data), dataLength, false);
-    }
-
-    static OSStatus ReadOrWriteCallback(SSLConnectionRef connection, void* data, size_t* dataLength,
-                                        bool is_read) {
-        auto self =
-            static_cast<SSLConnectionBackendSecureTransport*>(const_cast<void*>(connection));
-        ASSERT_OR_EXECUTE_MSG(
-            self->socket, { return 0; }, "SecureTransport asked to {} but we have no socket",
-            is_read ? "read" : "write");
-
-        // SecureTransport callbacks (unlike OpenSSL BIO callbacks) are
-        // expected to read/write the full requested dataLength or return an
-        // error, so we have to add a loop ourselves.
-        size_t requested_len = *dataLength;
-        size_t offset = 0;
-        while (offset < requested_len) {
-            std::span cur(reinterpret_cast<u8*>(data) + offset, requested_len - offset);
-            auto [actual, err] = is_read ? self->socket->Recv(0, cur) : self->socket->Send(cur, 0);
-            LOG_CRITICAL(Service_SSL, "op={}, offset={} actual={}/{} err={}", is_read, offset,
-                         actual, cur.size(), static_cast<s32>(err));
-            switch (err) {
-            case Network::Errno::SUCCESS:
-                offset += actual;
-                if (actual == 0) {
-                    ASSERT(is_read);
-                    self->got_read_eof = true;
-                    return errSecEndOfData;
-                }
-                break;
-            case Network::Errno::AGAIN:
-                *dataLength = offset;
-                return errSSLWouldBlock;
-            default:
-                LOG_ERROR(Service_SSL, "Socket {} returned Network::Errno {}",
-                          is_read ? "recv" : "send", err);
-                return errSecIO;
-            }
-        }
-        ASSERT(offset == requested_len);
-        return 0;
-    }
-
-private:
-    CFReleaser<SSLContextRef> context = nullptr;
-    bool got_read_eof = false;
-    bool skip_cert_verification = false;
-
-    std::shared_ptr<Network::SocketBase> socket;
-};
-
-Result CreateSSLConnectionBackend(std::unique_ptr<SSLConnectionBackend>* out_backend) {
-    auto conn = std::make_unique<SSLConnectionBackendSecureTransport>();
-
-    R_TRY(conn->Init());
-
-    *out_backend = std::move(conn);
-    return ResultSuccess;
-}
-
-} // namespace Service::SSL

src/core/hle/service/vi/container.cpp

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
@@ -166,16 +166,6 @@ Result Container::GetLayerZIndex(u64 layer_id, s32* out_z_index) {
     R_RETURN(VI::ResultNotFound);
 }
 
-Result Container::SetLayerStackMask(u64 layer_id, u32 layer_stack_mask) {
-    std::scoped_lock lk{m_lock};
-
-    auto* const layer = m_layers.GetLayerById(layer_id);
-    R_UNLESS(layer != nullptr, VI::ResultNotFound);
-
-    m_surface_flinger->SetLayerStackMask(layer->GetConsumerBinderId(), layer_stack_mask);
-    R_SUCCEED();
-}
-
 Result Container::SetLayerIsOverlay(u64 layer_id, bool is_overlay) {
     std::scoped_lock lk{m_lock};
 

src/core/hle/service/vi/container.h

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
@@ -68,7 +68,6 @@ public:
     Result SetLayerZIndex(u64 layer_id, s32 z_index);
     Result GetLayerZIndex(u64 layer_id, s32* out_z_index);
     Result SetLayerIsOverlay(u64 layer_id, bool is_overlay);
-    Result SetLayerStackMask(u64 layer_id, u32 layer_stack_mask);
 
     void LinkVsyncEvent(u64 display_id, Event* event);
     void UnlinkVsyncEvent(u64 display_id, Event* event);

src/core/hle/service/vi/shared_buffer_manager.cpp

@@ -4,15 +4,9 @@
 // SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-#include <algorithm>
-#include <array>
 #include <random>
 
-#include "common/assert.h"
-#include "common/logging.h"
-#include "common/scratch_buffer.h"
 #include "core/core.h"
-#include "core/hle/kernel/k_page_group.h"
 #include "core/hle/kernel/k_process.h"
 #include "core/hle/kernel/k_system_resource.h"
 #include "core/hle/service/nvdrv/devices/nvmap.h"
@@ -53,7 +47,7 @@ Result AllocateSharedBufferMemory(std::unique_ptr<Kernel::KPageGroup>* out_page_
         u32* end = system.DeviceMemory().GetPointer<u32>(block.GetAddress() + block.GetSize());
 
         for (; start < end; start++) {
-            *start = 0x00000000;
+            *start = 0xFF0000FF;
         }
     }
 
@@ -174,14 +168,7 @@ constexpr u32 SharedBufferBlockLinearWidth = 1280;
 constexpr u32 SharedBufferBlockLinearHeight = 768;
 constexpr u32 SharedBufferBlockLinearStride =
     SharedBufferBlockLinearWidth * SharedBufferBlockLinearBpp;
-
-constexpr u32 SharedBufferNumCaptureSlots = 3;
-constexpr u32 SharedBufferSlotsPerSession = 2;
-constexpr u32 SharedBufferMaxSessions = 2;
-
-constexpr u32 SharedBufferNumSlots =
-    SharedBufferNumCaptureSlots + SharedBufferSlotsPerSession * SharedBufferMaxSessions;
-static_assert(SharedBufferNumSlots <= 16, "Shared buffer pool exceeds the maximum texture count");
+constexpr u32 SharedBufferNumSlots = 7;
 
 constexpr u32 SharedBufferWidth = 1280;
 constexpr u32 SharedBufferHeight = 720;
@@ -205,52 +192,7 @@ constexpr SharedMemoryPoolLayout SharedBufferPoolLayout = [] {
     return layout;
 }();
 
-constexpr u32 GetCaptureSlot(CaptureKind kind) {
-    return static_cast<u32>(kind);
-}
-static_assert(static_cast<u32>(CaptureKind::CallerApplet) + 1 == SharedBufferNumCaptureSlots,
-              "Capture slot count does not match CaptureKind");
-
-constexpr u32 GetPresentationSlot(u32 slot_base, u32 index) {
-    return SharedBufferNumCaptureSlots + slot_base + index;
-}
-
-constexpr u32 ColorOpaqueBlackRgba32 = 0xFF000000;
-
-template <typename F>
-void ForEachPoolChunk(Core::System& system, Kernel::KPageGroup& page_group, u64 offset, u64 size,
-                      F&& writer) {
-    Common::ScratchBuffer<u32> scratch;
-    const u64 range_end = offset + size;
-    u64 pool_pos = 0;
-
-    for (auto& block : page_group) {
-        const u64 block_begin = pool_pos;
-        const u64 block_end = block_begin + block.GetSize();
-        pool_pos = block_end;
-
-        if (block_end <= offset) {
-            continue;
-        }
-        if (block_begin >= range_end) {
-            break;
-        }
-
-        const u64 chunk_begin = (std::max)(block_begin, offset);
-        const u64 chunk_end = (std::min)(block_end, range_end);
-        const u64 chunk_size = chunk_end - chunk_begin;
-
-        u8* const dst =
-            system.DeviceMemory().GetPointer<u8>(block.GetAddress()) + (chunk_begin - block_begin);
-
-        writer(dst, chunk_begin - offset, chunk_size);
-
-        system.GPU().Host1x().MemoryManager().ApplyOpOnPointer(
-            dst, scratch, [&](DAddr addr) { system.GPU().InvalidateRegion(addr, chunk_size); });
-    }
-}
-
-void MakeGraphicBuffer(android::BufferQueueProducer& producer, u32 producer_slot, u32 pool_slot, u32 handle) {
+void MakeGraphicBuffer(android::BufferQueueProducer& producer, u32 slot, u32 handle) {
     auto buffer = std::make_shared<android::NvGraphicBuffer>();
     buffer->width = SharedBufferWidth;
     buffer->height = SharedBufferHeight;
@@ -258,8 +200,8 @@ void MakeGraphicBuffer(android::BufferQueueProducer& producer, u32 producer_slot
     buffer->format = SharedBufferBlockLinearFormat;
     buffer->external_format = SharedBufferBlockLinearFormat;
     buffer->buffer_id = handle;
-    buffer->offset = pool_slot * SharedBufferSlotSize;
-    ASSERT(producer.SetPreallocatedBuffer(producer_slot, buffer) == android::Status::NoError);
+    buffer->offset = slot * SharedBufferSlotSize;
+    ASSERT(producer.SetPreallocatedBuffer(slot, buffer) == android::Status::NoError);
 }
 
 } // namespace
@@ -273,91 +215,59 @@ SharedBufferManager::~SharedBufferManager() = default;
 Result SharedBufferManager::CreateSession(Kernel::KProcess* owner_process, u64* out_buffer_id,
                                           u64* out_layer_handle, u64 display_id,
                                           bool enable_blending) {
-    {
-        std::scoped_lock lk{m_guard};
+    std::scoped_lock lk{m_guard};
 
-        // Ensure we haven't already created.
-        const u64 aruid = owner_process->GetProcessId();
-        R_UNLESS(!m_sessions.contains(aruid), VI::ResultPermissionDenied);
+    // Ensure we haven't already created.
+    const u64 aruid = owner_process->GetProcessId();
+    R_UNLESS(!m_sessions.contains(aruid), VI::ResultPermissionDenied);
 
-        // Allocate memory for the shared buffer if needed.
-        if (!m_buffer_page_group) {
-            R_TRY(AllocateSharedBufferMemory(std::addressof(m_buffer_page_group), m_system,
-                                             SharedBufferSize));
+    // Allocate memory for the shared buffer if needed.
+    if (!m_buffer_page_group) {
+        R_TRY(AllocateSharedBufferMemory(std::addressof(m_buffer_page_group), m_system,
+                                         SharedBufferSize));
 
-            // Record buffer id.
-            m_buffer_id = m_next_buffer_id++;
+        // Record buffer id.
+        m_buffer_id = m_next_buffer_id++;
 
-            // Record display id.
-            m_display_id = display_id;
-
-            for (u32 slot = 0; slot < SharedBufferNumCaptureSlots; slot++) {
-                ForEachPoolChunk(m_system, *m_buffer_page_group, u64{slot} * SharedBufferSlotSize,
-                                 SharedBufferSlotSize, [](u8* dst, u64, u64 length) {
-                                     std::fill_n(reinterpret_cast<u32*>(dst), length / sizeof(u32),
-                                                 ColorOpaqueBlackRgba32);
-                                 });
-            }
-        }
-
-        // Claim a presentation slot range.
-        u32 slot_base = 0;
-
-        std::array<bool, SharedBufferMaxSessions> in_use{};
-        for (const auto& [existing_aruid, existing] : m_sessions) {
-            const u32 index = existing.presentation_slot_base / SharedBufferSlotsPerSession;
-
-            if (index < in_use.size())
-                in_use[index] = true;
-        }
-
-        u32 index = 0;
-        while (index < in_use.size() && in_use[index])
-            index++;
-
-        if (index >= in_use.size()) {
-            LOG_ERROR(Service_VI, "Out of shared buffer presentation slots ({} sessions)", SharedBufferMaxSessions);
-            R_THROW(VI::ResultOperationFailed);
-        }
-
-        slot_base = index * SharedBufferSlotsPerSession;
-
-        // Map into process.
-        Common::ProcessAddress map_address{};
-        R_TRY(MapSharedBufferIntoProcessAddressSpace(std::addressof(map_address), m_buffer_page_group,
-                                                     owner_process, m_system));
-
-        // Create new session.
-        auto [it, was_emplaced] = m_sessions.emplace(aruid, SharedBufferSession{});
-        auto& session = it->second;
-        session.presentation_slot_base = slot_base;
-
-        auto& container = m_nvdrv->GetContainer();
-        session.session_id = container.OpenSession(owner_process);
-        session.nvmap_fd = m_nvdrv->Open("/dev/nvmap", session.session_id);
-
-        // Create an nvmap handle for the buffer and assign the memory to it.
-        R_TRY(AllocateHandleForBuffer(std::addressof(session.buffer_nvmap_handle), *m_nvdrv,
-                                      session.nvmap_fd, map_address, SharedBufferSize));
-
-        // Create and open a layer for the display.
-        s32 producer_binder_id;
-        R_TRY(m_container.CreateStrayLayer(std::addressof(producer_binder_id),
-                                           std::addressof(session.layer_id), display_id));
-
-        // Configure blending and z-index
-        R_ASSERT(m_container.SetLayerBlending(session.layer_id, enable_blending));
-
-        // Get the producer and set preallocated buffers.
-        std::shared_ptr<android::BufferQueueProducer> producer;
-        R_TRY(m_container.GetLayerProducerHandle(std::addressof(producer), session.layer_id));
-        for (u32 i = 0; i < SharedBufferSlotsPerSession; i++)
-            MakeGraphicBuffer(*producer, i, GetPresentationSlot(session.presentation_slot_base, i), session.buffer_nvmap_handle);
-
-        // Assign outputs.
-        *out_buffer_id = m_buffer_id;
-        *out_layer_handle = session.layer_id;
+        // Record display id.
+        m_display_id = display_id;
     }
+
+    // Map into process.
+    Common::ProcessAddress map_address{};
+    R_TRY(MapSharedBufferIntoProcessAddressSpace(std::addressof(map_address), m_buffer_page_group,
+                                                 owner_process, m_system));
+
+    // Create new session.
+    auto [it, was_emplaced] = m_sessions.emplace(aruid, SharedBufferSession{});
+    auto& session = it->second;
+
+    auto& container = m_nvdrv->GetContainer();
+    session.session_id = container.OpenSession(owner_process);
+    session.nvmap_fd = m_nvdrv->Open("/dev/nvmap", session.session_id);
+
+    // Create an nvmap handle for the buffer and assign the memory to it.
+    R_TRY(AllocateHandleForBuffer(std::addressof(session.buffer_nvmap_handle), *m_nvdrv,
+                                  session.nvmap_fd, map_address, SharedBufferSize));
+
+    // Create and open a layer for the display.
+    s32 producer_binder_id;
+    R_TRY(m_container.CreateStrayLayer(std::addressof(producer_binder_id),
+                                       std::addressof(session.layer_id), display_id));
+
+    // Configure blending and z-index
+    R_ASSERT(m_container.SetLayerBlending(session.layer_id, enable_blending));
+
+    // Get the producer and set preallocated buffers.
+    std::shared_ptr<android::BufferQueueProducer> producer;
+    R_TRY(m_container.GetLayerProducerHandle(std::addressof(producer), session.layer_id));
+    MakeGraphicBuffer(*producer, 0, session.buffer_nvmap_handle);
+    MakeGraphicBuffer(*producer, 1, session.buffer_nvmap_handle);
+
+    // Assign outputs.
+    *out_buffer_id = m_buffer_id;
+    *out_layer_handle = session.layer_id;
+
     // We succeeded.
     R_SUCCEED();
 }
@@ -426,51 +336,14 @@ Result SharedBufferManager::AcquireSharedFrameBuffer(android::Fence* out_fence,
                                      SharedBufferBlockLinearFormat, 0) == android::Status::NoError,
              VI::ResultOperationFailed);
 
-    out_slot_indexes.fill(-1);
-
-    {
-        std::scoped_lock lk{m_guard};
-        const auto* const session = this->FindSessionByLayerIdLocked(layer_id);
-        if (session == nullptr) {
-            producer->CancelBuffer(slot, *out_fence);
-            // LOG_DEBUG(Service_VI, "No Session found");
-            R_THROW(VI::ResultNotFound);
-        }
-
-        for (u32 i = 0; i < SharedBufferSlotsPerSession; i++)
-            out_slot_indexes[i] =
-                static_cast<s32>(GetPresentationSlot(session->presentation_slot_base, i));
-
-        *out_target_slot = static_cast<s64>(
-            GetPresentationSlot(session->presentation_slot_base, static_cast<u32>(slot)));
-    }
+    // Assign remaining outputs.
+    *out_target_slot = slot;
+    out_slot_indexes = {0, 1, -1, -1};
 
     // We succeeded.
     R_SUCCEED();
 }
 
-Result SharedBufferManager::GetProducerSlotLocked(s32* out_producer_slot, u64 layer_id,
-                                                   s64 pool_slot) const {
-    const auto* const session = this->FindSessionByLayerIdLocked(layer_id);
-    R_UNLESS(session != nullptr, VI::ResultNotFound);
-
-    const s64 base = GetPresentationSlot(session->presentation_slot_base, 0);
-    const s64 producer_slot = pool_slot - base;
-    R_UNLESS(producer_slot >= 0 && producer_slot < SharedBufferSlotsPerSession,
-             VI::ResultOperationFailed);
-
-    *out_producer_slot = static_cast<s32>(producer_slot);
-    R_SUCCEED();
-}
-
-const SharedBufferSession* SharedBufferManager::FindSessionByLayerIdLocked(u64 layer_id) const {
-    for (const auto& [aruid, session] : m_sessions)
-        if (session.layer_id == layer_id)
-            return std::addressof(session);
-
-    return nullptr;
-}
-
 Result SharedBufferManager::PresentSharedFrameBuffer(android::Fence fence,
                                                      Common::Rectangle<s32> crop_region,
                                                      u32 transform, s32 swap_interval, u64 layer_id,
@@ -479,20 +352,14 @@ Result SharedBufferManager::PresentSharedFrameBuffer(android::Fence fence,
     std::shared_ptr<android::BufferQueueProducer> producer;
     R_TRY(m_container.GetLayerProducerHandle(std::addressof(producer), layer_id));
 
-    s32 producer_slot;
-    {
-        std::scoped_lock lk{m_guard};
-        R_TRY(this->GetProducerSlotLocked(std::addressof(producer_slot), layer_id, slot));
-    }
-
     // Request to queue the buffer.
     std::shared_ptr<android::GraphicBuffer> buffer;
-    R_UNLESS(producer->RequestBuffer(producer_slot, std::addressof(buffer)) ==
+    R_UNLESS(producer->RequestBuffer(static_cast<s32>(slot), std::addressof(buffer)) ==
                  android::Status::NoError,
              VI::ResultOperationFailed);
 
     ON_RESULT_FAILURE {
-        producer->CancelBuffer(producer_slot, fence);
+        producer->CancelBuffer(static_cast<s32>(slot), fence);
     };
 
     // Queue the buffer to the producer.
@@ -502,10 +369,12 @@ Result SharedBufferManager::PresentSharedFrameBuffer(android::Fence fence,
     input.fence = fence;
     input.transform = static_cast<android::NativeWindowTransform>(transform);
     input.swap_interval = swap_interval;
-    R_UNLESS(producer->QueueBuffer(producer_slot, input, std::addressof(output)) ==
+    R_UNLESS(producer->QueueBuffer(static_cast<s32>(slot), input, std::addressof(output)) ==
                  android::Status::NoError,
              VI::ResultOperationFailed);
 
+    (void)m_container.SetLayerZIndex(layer_id, 100000);
+
     // We succeeded.
     R_SUCCEED();
 }
@@ -515,14 +384,8 @@ Result SharedBufferManager::CancelSharedFrameBuffer(u64 layer_id, s64 slot) {
     std::shared_ptr<android::BufferQueueProducer> producer;
     R_TRY(m_container.GetLayerProducerHandle(std::addressof(producer), layer_id));
 
-    s32 producer_slot;
-    {
-        std::scoped_lock lk{m_guard};
-        R_TRY(this->GetProducerSlotLocked(std::addressof(producer_slot), layer_id, slot));
-    }
-
     // Cancel.
-    producer->CancelBuffer(producer_slot, android::Fence::NoFence());
+    producer->CancelBuffer(static_cast<s32>(slot), android::Fence::NoFence());
 
     // We succeeded.
     R_SUCCEED();
@@ -541,47 +404,31 @@ Result SharedBufferManager::GetSharedFrameBufferAcquirableEvent(Kernel::KReadabl
     R_SUCCEED();
 }
 
-Result SharedBufferManager::WriteAppletCaptureBuffer(bool* out_was_written, s32* out_layer_index, CaptureKind kind) {
-    std::scoped_lock lk{m_guard};
-    R_UNLESS(m_buffer_page_group != nullptr, VI::ResultNotFound);
+Result SharedBufferManager::WriteAppletCaptureBuffer(bool* out_was_written, s32* out_layer_index) {
+    std::vector<u8> capture_buffer(m_system.GPU().GetAppletCaptureBuffer());
+    Common::ScratchBuffer<u32> scratch;
 
-    const std::vector<u8> capture = m_system.GPU().GetAppletCaptureBuffer();
-    const u32 slot = GetCaptureSlot(kind);
+    // TODO: this could be optimized
+    s64 e = -1280 * 768 * 4;
+    for (auto& block : *m_buffer_page_group) {
+        u8* start = m_system.DeviceMemory().GetPointer<u8>(block.GetAddress());
+        u8* end = m_system.DeviceMemory().GetPointer<u8>(block.GetAddress() + block.GetSize());
 
-    if (capture.size() < SharedBufferSlotSize) {
-        //LOG_WARNING(Service_VI, "Capture buffer is {} bytes, expected at least {}; not writing",
-        //            capture.size(), SharedBufferSlotSize);
-        *out_was_written = false;
-        *out_layer_index = static_cast<s32>(slot);
-        R_SUCCEED();
+        for (; start < end; start++) {
+            *start = 0;
+            if (e >= 0 && e < static_cast<s64>(capture_buffer.size())) {
+                *start = capture_buffer[e];
+            }
+            e++;
+        }
+
+        m_system.GPU().Host1x().MemoryManager().ApplyOpOnPointer(start, scratch, [&](DAddr addr) {
+            m_system.GPU().InvalidateRegion(addr, end - start);
+        });
     }
 
-    ForEachPoolChunk(m_system, *m_buffer_page_group, u64{slot} * SharedBufferSlotSize,
-                     SharedBufferSlotSize,
-                     [&](u8* dst, u64 src_offset, u64 length) {
-                         std::memcpy(dst, capture.data() + src_offset, length);
-                     });
-
     *out_was_written = true;
-    *out_layer_index = static_cast<s32>(slot);
-    R_SUCCEED();
-}
-
-Result SharedBufferManager::ClearAppletCaptureBuffer(s32 layer_index, u32 color) {
-    std::scoped_lock lk{m_guard};
-    R_UNLESS(m_buffer_page_group != nullptr, VI::ResultNotFound);
-
-    if (layer_index < 0 || layer_index >= static_cast<s32>(SharedBufferNumCaptureSlots)) {
-        LOG_WARNING(Service_VI, "Couldnt clear non-capture slot {}", layer_index);
-        R_SUCCEED();
-    }
-
-    ForEachPoolChunk(m_system, *m_buffer_page_group, u64{static_cast<u32>(layer_index)} * SharedBufferSlotSize,
-                     SharedBufferSlotSize, [&](u8* dst, u64 src_offset, u64 length) {
-                         ASSERT(src_offset % sizeof(u32) == 0 && length % sizeof(u32) == 0);
-                         std::fill_n(reinterpret_cast<u32*>(dst), length / sizeof(u32), color);
-                     });
-
+    *out_layer_index = 1;
     R_SUCCEED();
 }
 

src/core/hle/service/vi/shared_buffer_manager.h

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
@@ -48,12 +48,6 @@ static_assert(sizeof(SharedMemoryPoolLayout) == 0x188, "SharedMemoryPoolLayout h
 
 struct SharedBufferSession;
 
-enum class CaptureKind : u32 {
-    LastApplication,
-    LastForeground,
-    CallerApplet,
-};
-
 class SharedBufferManager final {
 public:
     explicit SharedBufferManager(Core::System& system, Container& container,
@@ -74,15 +68,9 @@ public:
     Result CancelSharedFrameBuffer(u64 layer_id, s64 slot);
     Result GetSharedFrameBufferAcquirableEvent(Kernel::KReadableEvent** out_event, u64 layer_id);
 
-    Result WriteAppletCaptureBuffer(bool* out_was_written, s32* out_layer_index, CaptureKind kind);
-    Result ClearAppletCaptureBuffer(s32 layer_index, u32 color);
+    Result WriteAppletCaptureBuffer(bool* out_was_written, s32* out_layer_index);
 
 private:
-    const SharedBufferSession* FindSessionByLayerIdLocked(u64 layer_id) const;
-
-    /// Converts a pool slot index, which is what the guest works in, back to the buffer queues slot index
-    Result GetProducerSlotLocked(s32* out_producer_slot, u64 layer_id, s64 pool_slot) const;
-
     u64 m_next_buffer_id = 1;
     u64 m_display_id = 0;
     u64 m_buffer_id = 0;
@@ -101,7 +89,6 @@ struct SharedBufferSession {
     Nvidia::NvCore::SessionId session_id = {};
     u64 layer_id = {};
     u32 buffer_nvmap_handle = 0;
-    u32 presentation_slot_base = 0;
 };
 
 } // namespace Service::VI

src/core/internal_network/wifi_scanner.cpp

@@ -114,13 +114,13 @@ std::vector<Network::ScanData> ScanWifiNetworks(std::chrono::milliseconds deadli
     char ifname[IFNAMSIZ] = {0};
     char *args[1] = {ifname};
 
-    iw_enum_devices(sock, [](int f_skfd, char* f_ifname, char* f_args[], int) -> int {
+    iw_enum_devices(sock, [](int skfd, char* ifname, char* args[], int count) -> int {
         iwrange range;
-        int res = iw_get_range_info(f_skfd, f_ifname, &range);
-        LOG_INFO(Network, "ifname {} returned {} on iw_get_range_info", f_ifname, res);
+        int res = iw_get_range_info(skfd, ifname, &range);
+        LOG_INFO(Network, "ifname {} returned {} on iw_get_range_info", ifname, res);
         if (res >= 0) {
-            strncpy(f_args[0], f_ifname, IFNAMSIZ - 1);
-            f_args[0][IFNAMSIZ - 1] = 0;
+            strncpy(args[0], ifname, IFNAMSIZ - 1);
+            args[0][IFNAMSIZ - 1] = 0;
             return 1;
         }
         return 0;

src/core/loader/nso.cpp

@@ -209,10 +209,7 @@ std::optional<VAddr> AppLoader_NSO::LoadModule(Kernel::KProcess& process, Core::
 
     // Apply cheats if they exist and the program has a valid title ID
     if (pm) {
-        // TODO(Maufeat): Check if there is a better way to check
-        if (name == "main")
-            system.SetApplicationProcessBuildID(nso_header.build_id);
-
+        system.SetApplicationProcessBuildID(nso_header.build_id);
         const auto cheats = pm->CreateCheatList(nso_header.build_id);
         if (!cheats.empty()) {
             system.RegisterCheatList(cheats, nso_header.build_id, load_base, image_size);

src/core/memory/cheat_engine.cpp

@@ -51,41 +51,24 @@ StandardVmCallbacks::StandardVmCallbacks(System& system_, const CheatProcessMeta
 
 StandardVmCallbacks::~StandardVmCallbacks() = default;
 
-Kernel::KProcess* StandardVmCallbacks::GetProcess() const {
-    if (cached_process != nullptr && cached_process_id == metadata.process_id) {
-        return cached_process;
-    }
-
-    auto process = system.Kernel().GetProcessByProcessId(metadata.process_id);
-    cached_process = process.IsNull() ? nullptr : process.GetPointerUnsafe();
-    cached_process_id = metadata.process_id;
-    return cached_process;
-}
-
 void StandardVmCallbacks::MemoryReadUnsafe(VAddr address, void* data, u64 size) {
-    auto* const process = this->GetProcess();
-
     // Return zero on invalid address
-    if (process == nullptr || !IsAddressInRange(address) ||
-        !process->GetMemory().IsValidVirtualAddress(address)) {
+    if (!IsAddressInRange(address) || !system.ApplicationMemory().IsValidVirtualAddress(address)) {
         std::memset(data, 0, size);
         return;
     }
 
-    process->GetMemory().ReadBlock(address, data, size);
+    system.ApplicationMemory().ReadBlock(address, data, size);
 }
 
 void StandardVmCallbacks::MemoryWriteUnsafe(VAddr address, const void* data, u64 size) {
-    auto* const process = this->GetProcess();
-
     // Skip invalid memory write address
-    if (process == nullptr || !IsAddressInRange(address) ||
-        !process->GetMemory().IsValidVirtualAddress(address)) {
+    if (!IsAddressInRange(address) || !system.ApplicationMemory().IsValidVirtualAddress(address)) {
         return;
     }
 
-    if (process->GetMemory().WriteBlock(address, data, size)) {
-        Core::InvalidateInstructionCacheRange(process, address, size);
+    if (system.ApplicationMemory().WriteBlock(address, data, size)) {
+        Core::InvalidateInstructionCacheRange(system.ApplicationProcess(), address, size);
     }
 }
 
@@ -108,16 +91,14 @@ u64 StandardVmCallbacks::HidKeysDown() {
 }
 
 void StandardVmCallbacks::PauseProcess() {
-    auto* const process = this->GetProcess();
-    if (process != nullptr && !process->IsSuspended()) {
-        process->SetActivity(system.Kernel(), Kernel::Svc::ProcessActivity::Paused);
+    if (!system.ApplicationProcess()->IsSuspended()) {
+        system.ApplicationProcess()->SetActivity(system.Kernel(), Kernel::Svc::ProcessActivity::Paused);
     }
 }
 
 void StandardVmCallbacks::ResumeProcess() {
-    auto* const process = this->GetProcess();
-    if (process != nullptr && process->IsSuspended()) {
-        process->SetActivity(system.Kernel(), Kernel::Svc::ProcessActivity::Runnable);
+    if (system.ApplicationProcess()->IsSuspended()) {
+        system.ApplicationProcess()->SetActivity(system.Kernel(), Kernel::Svc::ProcessActivity::Runnable);
     }
 }
 

src/core/memory/cheat_engine.h

@@ -1,6 +1,3 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -18,10 +15,6 @@ namespace Core {
 class System;
 }
 
-namespace Kernel {
-class KProcess;
-}
-
 namespace Core::Timing {
 class CoreTiming;
 struct EventType;
@@ -45,12 +38,8 @@ public:
 private:
     bool IsAddressInRange(VAddr address) const;
 
-    Kernel::KProcess* GetProcess() const;
-
     const CheatProcessMetadata& metadata;
     Core::System& system;
-    mutable Kernel::KProcess* cached_process{};
-    mutable u64 cached_process_id{};
 };
 
 // Intermediary class that parses a text file or other disk format for storing cheats into a

src/core/reporter.cpp

@@ -239,7 +239,7 @@ void Reporter::SaveUnimplementedFunctionReport(Service::HLERequestContext& ctx,
     const auto title_id = system.GetApplicationProcessProgramID();
     auto out = GetFullDataAuto(timestamp, title_id, system);
 
-    auto function_out = GetHLERequestContextData(ctx, ctx.GetMemory());
+    auto function_out = GetHLERequestContextData(ctx, system.ApplicationMemory());
     function_out["command_id"] = command_id;
     function_out["function_name"] = name;
     function_out["service_name"] = service_name;

src/hid_core/hidbus/hidbus_base.cpp

@@ -1,6 +1,3 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -65,9 +62,8 @@ void HidbusBase::DisablePollingMode() {
     polling_mode_enabled = false;
 }
 
-void HidbusBase::SetTransferMemoryAddress(Common::ProcessAddress t_mem, Kernel::KProcess* owner) {
+void HidbusBase::SetTransferMemoryAddress(Common::ProcessAddress t_mem) {
     transfer_memory = t_mem;
-    transfer_memory_owner = owner;
 }
 
 Kernel::KReadableEvent& HidbusBase::GetSendCommandAsycEvent() const {

src/hid_core/hidbus/hidbus_base.h

@@ -1,6 +1,3 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -17,7 +14,6 @@ class System;
 
 namespace Kernel {
 class KEvent;
-class KProcess;
 class KReadableEvent;
 } // namespace Kernel
 
@@ -142,7 +138,7 @@ public:
     void DisablePollingMode();
 
     // Called on EnableJoyPollingReceiveMode
-    void SetTransferMemoryAddress(Common::ProcessAddress t_mem, Kernel::KProcess* owner);
+    void SetTransferMemoryAddress(Common::ProcessAddress t_mem);
 
     Kernel::KReadableEvent& GetSendCommandAsycEvent() const;
 
@@ -179,7 +175,6 @@ protected:
     ButtonOnlyPollingDataAccessor button_only_data{};
 
     Common::ProcessAddress transfer_memory{};
-    Kernel::KProcess* transfer_memory_owner{};
 
     Core::System& system;
     Kernel::KEvent* send_command_async_event;

src/hid_core/hidbus/ringcon.cpp

@@ -6,7 +6,6 @@
 
 #include "core/core.h"
 #include "core/hle/kernel/k_event.h"
-#include "core/hle/kernel/k_process.h"
 #include "core/hle/kernel/k_readable_event.h"
 #include "core/memory.h"
 #include "hid_core/frontend/emulated_controller.h"
@@ -68,10 +67,8 @@ void RingController::OnUpdate() {
         curr_entry.polling_data.out_size = sizeof(ringcon_value);
         std::memcpy(curr_entry.polling_data.data.data(), &ringcon_value, sizeof(ringcon_value));
 
-        if (transfer_memory_owner != nullptr) {
-            transfer_memory_owner->GetMemory().WriteBlock(transfer_memory, &enable_sixaxis_data,
-                                                          sizeof(enable_sixaxis_data));
-        }
+        system.ApplicationMemory().WriteBlock(transfer_memory, &enable_sixaxis_data,
+                                              sizeof(enable_sixaxis_data));
         break;
     }
     default:

src/hid_core/irsensor/image_transfer_processor.cpp

@@ -1,11 +1,10 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 #include "core/core.h"
-#include "core/hle/kernel/k_process.h"
 #include "core/memory.h"
 #include "hid_core/frontend/emulated_controller.h"
 #include "hid_core/hid_core.h"
@@ -49,12 +48,10 @@ void ImageTransferProcessor::OnControllerUpdate(Core::HID::ControllerTriggerType
     if (type != Core::HID::ControllerTriggerType::IrSensor) {
         return;
     }
-    if (transfer_memory == 0 || transfer_memory_owner == nullptr) {
+    if (transfer_memory == 0) {
         return;
     }
 
-    auto& memory = transfer_memory_owner->GetMemory();
-
     const auto& camera_data = npad_device->GetCamera();
 
     // This indicates how much ambient light is present
@@ -64,14 +61,16 @@ void ImageTransferProcessor::OnControllerUpdate(Core::HID::ControllerTriggerType
     if (camera_data.format != current_config.origin_format) {
         LOG_WARNING(Service_IRS, "Wrong Input format {} expected {}", camera_data.format,
                     current_config.origin_format);
-        memory.ZeroBlock(transfer_memory, GetDataSize(current_config.trimming_format));
+        system.ApplicationMemory().ZeroBlock(transfer_memory,
+                                             GetDataSize(current_config.trimming_format));
         return;
     }
 
     if (current_config.origin_format > current_config.trimming_format) {
         LOG_WARNING(Service_IRS, "Origin format {} is smaller than trimming format {}",
                     current_config.origin_format, current_config.trimming_format);
-        memory.ZeroBlock(transfer_memory, GetDataSize(current_config.trimming_format));
+        system.ApplicationMemory().ZeroBlock(transfer_memory,
+                                             GetDataSize(current_config.trimming_format));
         return;
     }
 
@@ -88,7 +87,8 @@ void ImageTransferProcessor::OnControllerUpdate(Core::HID::ControllerTriggerType
                     "Trimming area ({}, {}, {}, {}) is outside of origin area ({}, {})",
                     current_config.trimming_start_x, current_config.trimming_start_y,
                     trimming_width, trimming_height, origin_width, origin_height);
-        memory.ZeroBlock(transfer_memory, GetDataSize(current_config.trimming_format));
+        system.ApplicationMemory().ZeroBlock(transfer_memory,
+                                             GetDataSize(current_config.trimming_format));
         return;
     }
 
@@ -102,8 +102,8 @@ void ImageTransferProcessor::OnControllerUpdate(Core::HID::ControllerTriggerType
         }
     }
 
-    memory.WriteBlock(transfer_memory, window_data.data(),
-                      GetDataSize(current_config.trimming_format));
+    system.ApplicationMemory().WriteBlock(transfer_memory, window_data.data(),
+                                          GetDataSize(current_config.trimming_format));
 
     if (!IsProcessorActive()) {
         StartProcessor();
@@ -143,19 +143,14 @@ void ImageTransferProcessor::SetConfig(
     npad_device->SetCameraFormat(current_config.origin_format);
 }
 
-void ImageTransferProcessor::SetTransferMemoryAddress(Common::ProcessAddress t_mem,
-                                                      Kernel::KProcess* owner) {
+void ImageTransferProcessor::SetTransferMemoryAddress(Common::ProcessAddress t_mem) {
     transfer_memory = t_mem;
-    transfer_memory_owner = owner;
 }
 
 Core::IrSensor::ImageTransferProcessorState ImageTransferProcessor::GetState(
     std::span<u8> data) const {
-    if (transfer_memory_owner == nullptr)
-        return processor_state;
-
     const auto size = (std::min)(GetDataSize(current_config.trimming_format), data.size());
-    transfer_memory_owner->GetMemory().ReadBlock(transfer_memory, data.data(), size);
+    system.ApplicationMemory().ReadBlock(transfer_memory, data.data(), size);
     return processor_state;
 }
 

src/hid_core/irsensor/image_transfer_processor.h

@@ -1,6 +1,3 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
@@ -12,10 +9,6 @@
 #include "hid_core/irsensor/irs_types.h"
 #include "hid_core/irsensor/processor_base.h"
 
-namespace Kernel {
-class KProcess;
-}
-
 namespace Core {
 class System;
 }
@@ -46,7 +39,7 @@ public:
     void SetConfig(Core::IrSensor::PackedImageTransferProcessorExConfig config);
 
     // Transfer memory where the image data will be stored
-    void SetTransferMemoryAddress(Common::ProcessAddress t_mem, Kernel::KProcess* owner);
+    void SetTransferMemoryAddress(Common::ProcessAddress t_mem);
 
     Core::IrSensor::ImageTransferProcessorState GetState(std::span<u8> data) const;
 
@@ -82,6 +75,5 @@ private:
 
     Core::System& system;
     Common::ProcessAddress transfer_memory{};
-    Kernel::KProcess* transfer_memory_owner{};
 };
 } // namespace Service::IRS

src/hid_core/resources/six_axis/seven_six_axis.cpp

@@ -1,6 +1,3 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
@@ -9,7 +6,6 @@
 #include "core/core.h"
 #include "core/core_timing.h"
 #include "core/frontend/emu_window.h"
-#include "core/hle/kernel/k_process.h"
 #include "core/memory.h"
 #include "hid_core/frontend/emulated_console.h"
 #include "hid_core/frontend/emulated_devices.h"
@@ -28,7 +24,7 @@ void SevenSixAxis::OnInit() {}
 void SevenSixAxis::OnRelease() {}
 
 void SevenSixAxis::OnUpdate(const Core::Timing::CoreTiming& core_timing) {
-    if (!IsControllerActivated() || transfer_memory == 0 || transfer_memory_owner == nullptr) {
+    if (!IsControllerActivated() || transfer_memory == 0) {
         seven_sixaxis_lifo.buffer_count = 0;
         seven_sixaxis_lifo.buffer_tail = 0;
         return;
@@ -55,13 +51,12 @@ void SevenSixAxis::OnUpdate(const Core::Timing::CoreTiming& core_timing) {
     };
 
     seven_sixaxis_lifo.WriteNextEntry(next_seven_sixaxis_state);
-    transfer_memory_owner->GetMemory().WriteBlock(transfer_memory, &seven_sixaxis_lifo,
-                                                  sizeof(seven_sixaxis_lifo));
+    system.ApplicationMemory().WriteBlock(transfer_memory, &seven_sixaxis_lifo,
+                                          sizeof(seven_sixaxis_lifo));
 }
 
-void SevenSixAxis::SetTransferMemoryAddress(Common::ProcessAddress t_mem, Kernel::KProcess* owner) {
+void SevenSixAxis::SetTransferMemoryAddress(Common::ProcessAddress t_mem) {
     transfer_memory = t_mem;
-    transfer_memory_owner = owner;
 }
 
 void SevenSixAxis::ResetTimestamp() {

src/hid_core/resources/six_axis/seven_six_axis.h

@@ -1,6 +1,3 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
@@ -12,10 +9,6 @@
 #include "hid_core/resources/controller_base.h"
 #include "hid_core/resources/ring_lifo.h"
 
-namespace Kernel {
-class KProcess;
-}
-
 namespace Core {
 class System;
 } // namespace Core
@@ -40,7 +33,7 @@ public:
     void OnUpdate(const Core::Timing::CoreTiming& core_timing) override;
 
     // Called on InitializeSevenSixAxisSensor
-    void SetTransferMemoryAddress(Common::ProcessAddress t_mem, Kernel::KProcess* owner);
+    void SetTransferMemoryAddress(Common::ProcessAddress t_mem);
 
     // Called on ResetSevenSixAxisSensorTimestamp
     void ResetTimestamp();
@@ -65,7 +58,6 @@ private:
 
     SevenSixAxisState next_seven_sixaxis_state{};
     Common::ProcessAddress transfer_memory{};
-    Kernel::KProcess* transfer_memory_owner{};
     Core::HID::EmulatedConsole* console = nullptr;
 
     Core::System& system;

src/hid_core/resources/touch_screen/touch_screen_resource.cpp

@@ -548,18 +548,8 @@ void TouchResource::OnTouchUpdate(s64 timestamp) {
             }
 
             auto& touch_shared = applet_data->shared_memory_format->touch_screen;
-
-            if (applet_data->flag.enable_touchscreen) {
-                StorePreviousTouchState(previous_touch_state, data.finger_map, current_touch_state, true);
-                touch_shared.touch_screen_lifo.WriteNextEntry(current_touch_state);
-            } else {
-                TouchScreenState denied{};
-                denied.sampling_number = current_touch_state.sampling_number;
-                denied.entry_count = 0;
-                data.finger_map.finger_count = 0;
-                data.finger_map.finger_ids = {};
-                touch_shared.touch_screen_lifo.WriteNextEntry(denied);
-            }
+            StorePreviousTouchState(previous_touch_state, data.finger_map, current_touch_state, bool(applet_data->flag.enable_touchscreen));
+            touch_shared.touch_screen_lifo.WriteNextEntry(current_touch_state);
         }
     }
 }

src/qt_common/render/emu_thread.cpp

@@ -51,18 +51,7 @@ void EmuThread::run() {
             QtCommon::system->Run();
             m_stopped.Reset();
 
-            m_should_run_cv.wait(lk, stop_token, [&] {
-                return !m_should_run || m_pending_shader_cache_title.has_value();
-            });
-
-            if (m_should_run && m_pending_shader_cache_title.has_value()) {
-                const u64 program_id = *m_pending_shader_cache_title;
-                m_pending_shader_cache_title.reset();
-
-                lk.unlock();
-                this->ReloadDiskShaderCache(program_id);
-                lk.lock();
-            }
+            m_should_run_cv.wait(lk, stop_token, [&] { return !m_should_run; });
         } else {
             QtCommon::system->Pause();
             m_stopped.Set();
@@ -78,32 +67,6 @@ void EmuThread::run() {
     QtCommon::system->ShutdownMainProcess();
 }
 
-void EmuThread::ReloadDiskShaderCache(u64 program_id) {
-    if (!Settings::values.use_disk_shader_cache.GetValue()) {
-        return;
-    }
-
-    LOG_INFO(Frontend, "Reloading disk shader cache for {:016X}", program_id);
-
-    auto& system = *QtCommon::system;
-    auto& gpu = system.GPU();
-
-    system.Pause();
-    gpu.WaitForIdle();
-    gpu.ObtainContext();
-
-    emit ShaderCacheReloadStarted();
-    emit LoadProgress(VideoCore::LoadCallbackStage::Prepare, 0, 0);
-    system.Renderer().ReadRasterizer()->LoadDiskResources(program_id, m_stop_source.get_token(),
-        [this](VideoCore::LoadCallbackStage stage, std::size_t value, std::size_t total) {
-            emit LoadProgress(stage, value, total);
-        });
-    emit LoadProgress(VideoCore::LoadCallbackStage::Complete, 0, 0);
-    emit ShaderCacheReloadFinished();
-
-    gpu.ReleaseContext();
-}
-
 // Unlock while emitting signals so that the main thread can
 // continue pumping events.
 

src/qt_common/render/emu_thread.h

@@ -3,10 +3,7 @@
 
 #pragma once
 
-#include <optional>
-
 #include <QThread>
-#include "common/common_types.h"
 #include "common/logging.h"
 #include "common/thread.h"
 
@@ -66,19 +63,9 @@ public:
         m_stop_source.request_stop();
     }
 
-    /**
-     * Requests that the disk shader cache be reloaded for a different title.
-     */
-    void RequestDiskShaderCacheReload(u64 program_id) {
-        std::unique_lock run_lk{m_should_run_mutex};
-        m_pending_shader_cache_title = program_id;
-        m_should_run_cv.notify_one();
-    }
-
 private:
     void EmulationPaused(std::unique_lock<std::mutex>& lk);
     void EmulationResumed(std::unique_lock<std::mutex>& lk);
-    void ReloadDiskShaderCache(u64 program_id);
 
 private:
     std::stop_source m_stop_source;
@@ -86,7 +73,6 @@ private:
     std::condition_variable_any m_should_run_cv;
     Common::Event m_stopped;
     bool m_should_run{true};
-    std::optional<u64> m_pending_shader_cache_title;
 
 signals:
     /**
@@ -108,7 +94,4 @@ signals:
     void DebugModeLeft();
 
     void LoadProgress(VideoCore::LoadCallbackStage stage, std::size_t value, std::size_t total);
-
-    void ShaderCacheReloadStarted();
-    void ShaderCacheReloadFinished();
 };

src/video_core/framebuffer_config.cpp

@@ -1,35 +1,11 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-#include <algorithm>
-
 #include "common/assert.h"
 #include "video_core/framebuffer_config.h"
 
 namespace Tegra {
 
-std::span<const FramebufferConfig> FilterLayerStack(
-    std::span<const FramebufferConfig> layers, Service::Nvnflinger::LayerStackId stack,
-    std::vector<FramebufferConfig>& scratch) {
-    const u32 bit = Service::Nvnflinger::LayerStackBit(stack);
-
-    if (std::ranges::all_of(layers,
-                            [bit](const auto& layer) { return (layer.layer_stack_mask & bit) != 0; }))
-        return layers;
-
-    scratch.clear();
-    for (const auto& layer : layers) {
-        if ((layer.layer_stack_mask & bit) != 0) {
-            scratch.push_back(layer);
-        }
-    }
-
-    return scratch;
-}
-
 Common::Rectangle<f32> NormalizeCrop(const FramebufferConfig& framebuffer, u32 texture_width,
                                      u32 texture_height) {
     f32 left, top, right, bottom;

src/video_core/framebuffer_config.h

@@ -1,18 +1,11 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 #pragma once
 
-#include <span>
-#include <vector>
-
 #include "common/common_types.h"
 #include "common/math_util.h"
 #include "core/hle/service/nvnflinger/buffer_transform_flags.h"
-#include "core/hle/service/nvnflinger/hwc_layer.h"
 #include "core/hle/service/nvnflinger/pixel_format.h"
 #include "core/hle/service/nvnflinger/ui/fence.h"
 
@@ -37,17 +30,9 @@ struct FramebufferConfig {
     Service::android::BufferTransformFlags transform_flags{};
     Common::Rectangle<int> crop_rect{};
     BlendMode blending{};
-    u32 layer_stack_mask{Service::Nvnflinger::DefaultLayerStackMask};
 };
 
 Common::Rectangle<f32> NormalizeCrop(const FramebufferConfig& framebuffer, u32 texture_width,
                                      u32 texture_height);
 
-/**
- * Returns the subset of layers belonging to a stack.
- */
-std::span<const FramebufferConfig> FilterLayerStack(std::span<const FramebufferConfig> layers,
-                                                    Service::Nvnflinger::LayerStackId stack,
-                                                    std::vector<FramebufferConfig>& scratch);
-
 } // namespace Tegra

src/video_core/gpu.cpp

@@ -144,12 +144,6 @@ struct GPU::Impl {
         sync_request_cv.wait(lck, [this, fence] { return CurrentSyncRequestFence() >= fence; });
     }
 
-    void WaitForIdle() {
-        const u64 fence = RequestSyncOperation([] {});
-        gpu_thread.TickGPU(is_async);
-        WaitForSyncOperation(fence);
-    }
-
     /// Tick pending requests within the GPU.
     void TickWork() {
         std::unique_lock lck{sync_request_mutex};
@@ -490,10 +484,6 @@ void GPU::NotifyShutdown() {
     impl->NotifyShutdown();
 }
 
-void GPU::WaitForIdle() {
-    impl->WaitForIdle();
-}
-
 void GPU::ObtainContext() {
     impl->ObtainContext();
 }

src/video_core/gpu.h

@@ -168,8 +168,6 @@ public:
 
     void WaitForSyncOperation(u64 fence);
 
-    void WaitForIdle();
-
     /// Tick pending requests within the GPU.
     void TickWork();
 

src/video_core/renderer_base.cpp

@@ -36,8 +36,7 @@ bool RendererBase::IsScreenshotPending() const {
 }
 
 void RendererBase::RequestScreenshot(void* data, std::function<void(bool)> callback,
-                                     const Layout::FramebufferLayout& layout,
-                                     Service::Nvnflinger::LayerStackId layer_stack) {
+                                     const Layout::FramebufferLayout& layout) {
     if (renderer_settings.screenshot_requested) {
         LOG_ERROR(Render, "A screenshot is already requested or in progress, ignoring the request");
         return;
@@ -49,7 +48,6 @@ void RendererBase::RequestScreenshot(void* data, std::function<void(bool)> callb
     renderer_settings.screenshot_bits = data;
     renderer_settings.screenshot_complete_callback = async_callback;
     renderer_settings.screenshot_framebuffer_layout = layout;
-    renderer_settings.screenshot_layer_stack = layer_stack;
     renderer_settings.screenshot_requested = true;
 }
 

src/video_core/renderer_base.h

@@ -1,6 +1,3 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: 2014 Citra Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -29,7 +26,6 @@ struct RendererSettings {
     void* screenshot_bits{};
     std::function<void(bool)> screenshot_complete_callback;
     Layout::FramebufferLayout screenshot_framebuffer_layout;
-    Service::Nvnflinger::LayerStackId screenshot_layer_stack{Service::Nvnflinger::LayerStackId::Default};
 };
 
 class RendererBase {
@@ -92,11 +88,9 @@ public:
     /// Returns true if a screenshot is being processed
     bool IsScreenshotPending() const;
 
-    /// Request a screenshot of the next frame.
+    /// Request a screenshot of the next frame
     void RequestScreenshot(void* data, std::function<void(bool)> callback,
-                           const Layout::FramebufferLayout& layout,
-                           Service::Nvnflinger::LayerStackId layer_stack =
-                               Service::Nvnflinger::LayerStackId::Default);
+                           const Layout::FramebufferLayout& layout);
 
 protected:
     Core::Frontend::EmuWindow& render_window; ///< Reference to the render window handle.

src/video_core/renderer_opengl/renderer_opengl.cpp

@@ -199,10 +199,7 @@ void RendererOpenGL::RenderScreenshot(std::span<const Tegra::FramebufferConfig>
         return;
     }
 
-    const auto screenshot_layers = Tegra::FilterLayerStack(
-        framebuffers, renderer_settings.screenshot_layer_stack, screenshot_layer_scratch);
-
-    RenderToBuffer(screenshot_layers, renderer_settings.screenshot_framebuffer_layout,
+    RenderToBuffer(framebuffers, renderer_settings.screenshot_framebuffer_layout,
                    renderer_settings.screenshot_bits);
 
     renderer_settings.screenshot_complete_callback(true);
@@ -211,12 +208,6 @@ void RendererOpenGL::RenderScreenshot(std::span<const Tegra::FramebufferConfig>
 
 void RendererOpenGL::RenderAppletCaptureLayer(
     std::span<const Tegra::FramebufferConfig> framebuffers) {
-    const auto capture_layers = Tegra::FilterLayerStack(
-        framebuffers, Service::Nvnflinger::LayerStackId::LastFrame, applet_capture_layers);
-
-    if (capture_layers.empty())
-        return;
-
     GLint old_read_fb;
     GLint old_draw_fb;
     glGetIntegerv(GL_READ_FRAMEBUFFER_BINDING, &old_read_fb);
@@ -226,7 +217,7 @@ void RendererOpenGL::RenderAppletCaptureLayer(
     glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER,
                               capture_renderbuffer.handle);
 
-    blit_applet->DrawScreen(capture_layers, VideoCore::Capture::Layout, true);
+    blit_applet->DrawScreen(framebuffers, VideoCore::Capture::Layout, true);
 
     glBindFramebuffer(GL_READ_FRAMEBUFFER, old_read_fb);
     glBindFramebuffer(GL_DRAW_FRAMEBUFFER, old_draw_fb);

src/video_core/renderer_opengl/renderer_opengl.h

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: 2014 Citra Emulator Project
@@ -61,9 +61,6 @@ private:
     void RenderScreenshot(std::span<const Tegra::FramebufferConfig> framebuffers);
     void RenderAppletCaptureLayer(std::span<const Tegra::FramebufferConfig> framebuffers);
 
-    std::vector<Tegra::FramebufferConfig> applet_capture_layers;
-    std::vector<Tegra::FramebufferConfig> screenshot_layer_scratch;
-
     Core::Frontend::EmuWindow& emu_window;
     Tegra::MaxwellDeviceMemoryManager& device_memory;
     Tegra::GPU& gpu;

src/video_core/renderer_vulkan/renderer_vulkan.cpp

@@ -292,11 +292,8 @@ void RendererVulkan::RenderScreenshot(std::span<const Tegra::FramebufferConfig>
         return;
     }
 
-    const auto screenshot_layers = Tegra::FilterLayerStack(
-        framebuffers, renderer_settings.screenshot_layer_stack, screenshot_layer_scratch);
-
     const auto& layout{renderer_settings.screenshot_framebuffer_layout};
-    const auto dst_buffer = RenderToBuffer(screenshot_layers, layout, VK_FORMAT_B8G8R8A8_UNORM,
+    const auto dst_buffer = RenderToBuffer(framebuffers, layout, VK_FORMAT_B8G8R8A8_UNORM,
                                            layout.width * layout.height * 4);
 
     std::memcpy(renderer_settings.screenshot_bits, dst_buffer.Mapped().data(),
@@ -335,12 +332,6 @@ std::vector<u8> RendererVulkan::GetAppletCaptureBuffer() {
 
 void RendererVulkan::RenderAppletCaptureLayer(
     std::span<const Tegra::FramebufferConfig> framebuffers) {
-    const auto capture_layers = Tegra::FilterLayerStack(
-        framebuffers, Service::Nvnflinger::LayerStackId::LastFrame, applet_capture_layers);
-
-    if (capture_layers.empty())
-        return;
-
     if (!applet_frame.image) {
         applet_frame.image = CreateWrappedImage(memory_allocator, CaptureImageSize, CaptureFormat);
         applet_frame.image_view = CreateWrappedImageView(device, applet_frame.image, CaptureFormat);
@@ -349,7 +340,7 @@ void RendererVulkan::RenderAppletCaptureLayer(
     }
 
     scheduler.RequestOutsideRenderPassOperationContext();
-    blit_applet.DrawToFrame(device, rasterizer, &applet_frame, capture_layers, VideoCore::Capture::Layout, 1,
+    blit_applet.DrawToFrame(device, rasterizer, &applet_frame, framebuffers, VideoCore::Capture::Layout, 1,
                             CaptureFormat);
 }
 

src/video_core/renderer_vulkan/renderer_vulkan.h

@@ -75,9 +75,6 @@ private:
     void RenderScreenshot(std::span<const Tegra::FramebufferConfig> framebuffers);
     void RenderAppletCaptureLayer(std::span<const Tegra::FramebufferConfig> framebuffers);
 
-    std::vector<Tegra::FramebufferConfig> applet_capture_layers;
-    std::vector<Tegra::FramebufferConfig> screenshot_layer_scratch;
-
     Tegra::MaxwellDeviceMemoryManager& device_memory;
     Tegra::GPU& gpu;
 

src/video_core/renderer_vulkan/vk_pipeline_cache.cpp

@@ -589,14 +589,6 @@ void PipelineCache::LoadDiskResources(u64 title_id, std::stop_token stop_loading
     if (title_id == 0) {
         return;
     }
-    if (!pipeline_cache_filename.empty()) {
-        serialization_thread.WaitForRequests();
-        if (use_vulkan_pipeline_cache && !vulkan_pipeline_cache_filename.empty()) {
-            SerializeVulkanPipelineCache(vulkan_pipeline_cache_filename, vulkan_pipeline_cache,
-                                         CACHE_VERSION);
-        }
-    }
-
     const auto shader_dir{Common::FS::GetEdenPath(Common::FS::EdenPath::ShaderDir)};
     const auto base_dir{shader_dir / fmt::format("{:016x}", title_id)};
     if (!Common::FS::CreateDir(shader_dir) || !Common::FS::CreateDir(base_dir)) {

src/yuzu/main_window.cpp

@@ -1967,37 +1967,12 @@ void MainWindow::BootGame(const QString& filename, Service::AM::FrontendAppletPa
         render_window->Exit();
     });
 
-    QtCommon::system->RegisterApplicationChangedCallback([this](u64 changed_program_id) {
-        if (QtCommon::emu_thread)
-            QtCommon::emu_thread->RequestDiskShaderCacheReload(changed_program_id);
-
-        QMetaObject::invokeMethod(
-            this, [this, changed_program_id] { this->OnApplicationChanged(changed_program_id); },
-            Qt::QueuedConnection);
-    });
-
     connect(render_window, &GRenderWindow::Closed, this, &MainWindow::OnStopGame);
     connect(render_window, &GRenderWindow::MouseActivity, this, &MainWindow::OnMouseActivity);
 
     connect(QtCommon::emu_thread.get(), &EmuThread::LoadProgress, loading_screen,
             &LoadingScreen::OnLoadProgress, Qt::QueuedConnection);
 
-    connect(
-        QtCommon::emu_thread.get(), &EmuThread::ShaderCacheReloadStarted, this,
-        [this] {
-            loading_screen->Prepare(QtCommon::system->GetAppLoader());
-            loading_screen->show();
-            render_window->hide();
-        },
-        Qt::QueuedConnection);
-
-    connect(
-        QtCommon::emu_thread.get(), &EmuThread::ShaderCacheReloadFinished, this,
-        [this] {
-            loading_screen->OnLoadComplete();
-        },
-        Qt::QueuedConnection);
-
     // Update the GUI
     UpdateStatusButtons();
     if (ui->action_Single_Window_Mode->isChecked()) {
@@ -4020,41 +3995,6 @@ void MainWindow::OnEmulatorUpdateAvailable() {
 }
 #endif
 
-void MainWindow::OnApplicationChanged(u64 program_id) {
-    if (!emulation_running || program_id == 0)
-        return;
-
-    std::string title_name;
-    std::string title_version;
-
-    const FileSys::PatchManager pm(program_id, QtCommon::system->GetFileSystemController(),
-                                   QtCommon::system->GetContentProvider());
-    if (const auto metadata = pm.GetControlMetadata(); metadata.first != nullptr) {
-        title_version = metadata.first->GetVersionString();
-        title_name = metadata.first->GetApplicationName();
-    }
-    if (title_name.empty()) {
-        title_name = fmt::format("{:016X}", program_id);
-    }
-
-    if (const auto* process = QtCommon::system->Kernel().ApplicationProcess(); process != nullptr) {
-        const auto instruction_set_suffix = process->Is64Bit() ? tr("(64-bit)") : tr("(32-bit)");
-        title_name =
-            tr("%1 %2", "%1 is the title name. %2 indicates if the title is 64-bit or 32-bit")
-                .arg(QString::fromStdString(title_name), instruction_set_suffix)
-                .toStdString();
-    }
-
-    LOG_INFO(Frontend, "Now running: {:016X} | {} | {}", program_id, title_name, title_version);
-
-    UpdateWindowTitle(title_name, title_version,
-                      QtCommon::system->GPU().Renderer().GetDeviceVendor());
-
-    // Switch to record playtime for the running program
-    if (play_time_manager)
-        play_time_manager->SetProgramId(program_id);
-}
-
 void MainWindow::UpdateWindowTitle(std::string_view title_name, std::string_view title_version,
                                    std::string_view gpu_vendor) {
     static const std::string build_id = std::string{Common::g_build_id};

src/yuzu/main_window.h

@@ -438,7 +438,6 @@ private:
     ContentManager::InstallResult InstallNCA(const QString& filename);
     void UpdateWindowTitle(std::string_view title_name = {}, std::string_view title_version = {},
                            std::string_view gpu_vendor = {});
-    void OnApplicationChanged(u64 program_id);
     void UpdateDockedButton();
     void UpdateAPIText();
     void UpdateFilterText();

src/yuzu/updater/update_dialog.cpp

@@ -74,7 +74,6 @@ UpdateDialog::~UpdateDialog() {
     delete ui;
 }
 
-// TODO: migrate to a net.cpp wrapper
 void UpdateDialog::Download() {
     const auto filename = QtCommon::Frontend::GetSaveFileName(
         tr("New Version Location"),
@@ -162,7 +161,7 @@ void UpdateDialog::Download() {
                                               QString::number(response.status)));
         return;
     }
-    if (!response.has_header("content-type")) {
+    if (!response.headers.contains("content-type")) {
         LOG_ERROR(Frontend, "GET to {}{} returned no content", m_asset.url, m_asset.path);
         return;
     }

src/yuzu_cmd/yuzu.cpp

@@ -6,7 +6,6 @@
 
 #include <iostream>
 #include <memory>
-#include <mutex>
 #include <regex>
 #include <string>
 #include "common/settings_enums.h"
@@ -35,8 +34,6 @@
 #include "input_common/main.h"
 #include "network/network.h"
 #include "sdl_config.h"
-#include "video_core/gpu.h"
-#include "video_core/rasterizer_interface.h"
 #include "video_core/renderer_base.h"
 #include "yuzu_cmd/emu_window/emu_window_sdl3.h"
 #ifdef HAS_OPENGL
@@ -466,30 +463,6 @@ extern "C" SDL_AppResult SDL_AppInit(void **appstate, int argc, char **argv) {
 
     // don't do anything, SDL3 already exists for us :D
     state->system.RegisterExitCallback([] {});
-
-    // QLaunch launched applications (should) now reload shader cache.
-    static std::mutex shader_cache_reload_mutex;
-    state->system.RegisterApplicationChangedCallback([&state](u64 changed_program_id) {
-        if (!Settings::values.use_disk_shader_cache.GetValue()) {
-            return;
-        }
-
-        std::scoped_lock lk{shader_cache_reload_mutex};
-
-        LOG_INFO(Frontend, "Reloading disk shader cache for {:016X}", changed_program_id);
-
-        state->system.Pause();
-        state->system.GPU().WaitForIdle();
-        state->system.GPU().ObtainContext();
-
-        state->system.Renderer().ReadRasterizer()->LoadDiskResources(
-            changed_program_id, std::stop_token{},
-            [](VideoCore::LoadCallbackStage, size_t, size_t) {});
-
-        state->system.GPU().ReleaseContext();
-        state->system.Run();
-    });
-
     void(state->system.Run());
     if (state->system.DebuggerEnabled())
         state->system.InitializeDebugger();