fix span shit

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

cpmfile.json

@@ -340,10 +340,10 @@
         "version": "vulkan-sdk-%NUMERIC_VERSION%"
     },
     "xbyak": {
-        "hash": "b6475276b2faaeb315734ea8f4f8bd87ededcee768961b39679bee547e7f3e98884d8b7851e176d861dab30a80a76e6ea302f8c111483607dde969b4797ea95a",
+        "hash": "e0aa0a603dd3ac1a39d82213df1e73c042831aec2d6b2fe382c899651eaae4ed7e8aeb6be9c41ea0097087c9d091961ab18f313cd6a9e10d621715ffd49bfe36",
         "package": "xbyak",
         "repo": "herumi/xbyak",
-        "version": "v7.35.2"
+        "version": "v7.40.1"
     },
     "zlib": {
         "hash": "16fea4df307a68cf0035858abe2fd550250618a97590e202037acd18a666f57afc10f8836cbbd472d54a0e76539d0e558cb26f059d53de52ff90634bbf4f47d4",

src/android/app/build.gradle.kts

@@ -188,7 +188,7 @@ android {
         create("mainline") {
             dimension = "version"
             isDefault = true
-            minSdk = 30
+            minSdk = 33
 
             manifestPlaceholders += mapOf("appNameBase" to "Eden")
             resValue("string", "app_name_suffixed", "Eden")

src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/model/StringSetting.kt

@@ -11,7 +11,6 @@ import org.yuzu.yuzu_emu.utils.NativeConfig
 enum class StringSetting(override val key: String) : AbstractStringSetting {
     DRIVER_PATH("driver_path"),
     DEVICE_NAME("device_name"),
-    LOG_FILTER("log_filter"),
     PROGRAM_ARGS("program_args"),
 
     WEB_TOKEN("eden_token"),

src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/model/view/SettingsItem.kt

@@ -1032,13 +1032,6 @@ abstract class SettingsItem(
                     descriptionId = R.string.use_auto_stub_description
                 )
             )
-            put(
-                StringInputSetting(
-                    StringSetting.LOG_FILTER,
-                    titleId = R.string.log_filter,
-                    descriptionId = R.string.log_filter_description
-                )
-            )
             put(
                 SpinBoxSetting(
                     ShortSetting.DEBUG_KNOBS,

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

@@ -1322,7 +1322,6 @@ class SettingsFragmentPresenter(
                 add(HeaderSetting(R.string.log))
 
                 add(BooleanSetting.DEBUG_FLUSH_BY_LINE.key)
-                add(StringSetting.LOG_FILTER.key)
             }
 
             add(HeaderSetting(R.string.general))

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

@@ -47,7 +47,6 @@ import info.debatty.java.stringsimilarity.Jaccard
 import info.debatty.java.stringsimilarity.JaroWinkler
 import java.util.Locale
 import androidx.core.content.edit
-import androidx.core.view.doOnNextLayout
 
 class GamesFragment : Fragment() {
     private var _binding: FragmentGamesBinding? = null
@@ -59,7 +58,6 @@ class GamesFragment : Fragment() {
     private var originalHeaderLeftMargin: Int? = null
 
     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
@@ -227,12 +225,7 @@ class GamesFragment : Fragment() {
                 }
                 else -> throw IllegalArgumentException("Invalid view type: $savedViewType")
             }
-            if (savedViewType == GameAdapter.VIEW_TYPE_CAROUSEL) {
+            if (savedViewType != GameAdapter.VIEW_TYPE_CAROUSEL) {
-                (binding.gridGames as? View)?.let { it -> ViewCompat.requestApplyInsets(it)}
-                doOnNextLayout { //Carousel: important to avoid overlap issues
-                    (this as? CarouselRecyclerView)?.notifyLaidOut(fallbackBottomInset)
-                }
-            } else {
                 (this as? CarouselRecyclerView)?.setupCarousel(false)
             }
             adapter = gameAdapter
@@ -590,11 +583,6 @@ class GamesFragment : Fragment() {
                 qlaunchButton.layoutParams = mlpQLaunch
             }
 
-            val navInsets = windowInsets.getInsets(WindowInsetsCompat.Type.navigationBars())
-            val gestureInsets = windowInsets.getInsets(WindowInsetsCompat.Type.systemGestures())
-            val bottomInset = maxOf(navInsets.bottom, gestureInsets.bottom, cutoutInsets.bottom)
-            fallbackBottomInset = bottomInset
-            (binding.gridGames as? CarouselRecyclerView)?.notifyInsetsReady(bottomInset)
             windowInsets
         }
 }

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

@@ -12,13 +12,16 @@ import androidx.recyclerview.widget.PagerSnapHelper
 import androidx.recyclerview.widget.RecyclerView
 import kotlin.math.abs
 import kotlin.math.cos
+import kotlin.math.pow
 import kotlin.math.sin
 import org.yuzu.yuzu_emu.R
 import org.yuzu.yuzu_emu.adapters.GameAdapter
 import androidx.core.view.doOnNextLayout
+import androidx.core.view.ViewCompat
 import org.yuzu.yuzu_emu.YuzuApplication
 import androidx.preference.PreferenceManager
 import androidx.core.view.WindowInsetsCompat
+import org.yuzu.yuzu_emu.utils.FullscreenHelper
 /**
  * CarouselRecyclerView encapsulates all carousel content for the games UI.
  * It manages overlapping cards, center snapping, custom drawing order,
@@ -32,7 +35,9 @@ class CarouselRecyclerView @JvmOverloads constructor(
 
     private var overlapFactor: Float = 0f
     private var overlapPx: Int = 0
-    private var bottomInset: Int = -1
+    private var bottomInset: Int = 0
+    private var latestWindowInsets: WindowInsetsCompat? = null
+    private var cardGeometryInitialized: Boolean = false
     private var overlapDecoration: OverlappingDecoration? = null
     private var pagerSnapHelper: PagerSnapHelper? = null
     private var scalingScrollListener: OnScrollListener? = null
@@ -91,6 +96,38 @@ class CarouselRecyclerView @JvmOverloads constructor(
 
     init {
         setChildrenDrawingOrderEnabled(true)
+        ViewCompat.setOnApplyWindowInsetsListener(this) { _, insets ->
+            latestWindowInsets = insets
+            updateCardGeometry()
+            applyCarouselPadding()
+            insets
+        }
+    }
+
+    override fun onAttachedToWindow() {
+        super.onAttachedToWindow()
+        ViewCompat.requestApplyInsets(this)
+    }
+
+    override fun onSizeChanged(w: Int, h: Int, oldw: Int, oldh: Int) {
+        super.onSizeChanged(w, h, oldw, oldh)
+        if (w != oldw || h != oldh) {
+            updateCardGeometry()
+            applyCarouselPadding()
+        }
+    }
+
+    override fun onLayout(changed: Boolean, left: Int, top: Int, right: Int, bottom: Int) {
+        super.onLayout(changed, left, top, right, bottom)
+        if (isCarouselMode) updateChildScalesAndAlpha()
+    }
+
+    override fun onWindowFocusChanged(hasFocus: Boolean) {
+        super.onWindowFocusChanged(hasFocus)
+        if (hasFocus) {
+            ViewCompat.requestApplyInsets(this)
+            post { updateCardGeometry() }
+        }
     }
 
     override fun setAdapter(adapter: Adapter<*>?) {
@@ -103,6 +140,8 @@ class CarouselRecyclerView @JvmOverloads constructor(
         super.setAdapter(adapter)
 
         (adapter as? GameAdapter)?.registerAdapterDataObserver(carouselAdapterObserver)
+        updateCardGeometry()
+        applyCarouselPadding()
     }
 
     private fun calculateCenter(width: Int, paddingStart: Int, paddingEnd: Int): Int {
@@ -253,40 +292,71 @@ class CarouselRecyclerView @JvmOverloads constructor(
         }
     }
 
-    fun notifyInsetsReady(newBottomInset: Int) {
+    private fun resolveBottomInset(windowInsets: WindowInsetsCompat): Int {
-        if (bottomInset != newBottomInset) {
+        val navigationBottom = if (FullscreenHelper.isFullscreenEnabled(context)) {
-            bottomInset = newBottomInset
+            0
-        }
-
-        if (isCarouselMode) {
-            setupCarousel(true)
         } else {
-            setupCarousel(false)
+            windowInsets.getInsetsIgnoringVisibility(WindowInsetsCompat.Type.navigationBars()).bottom
         }
+        val gestureInsets = windowInsets.getInsetsIgnoringVisibility(
+            WindowInsetsCompat.Type.systemGestures()
+        )
+        val cutoutInsets = windowInsets.getInsetsIgnoringVisibility(
+            WindowInsetsCompat.Type.displayCutout()
+        )
+        return maxOf(navigationBottom, gestureInsets.bottom, cutoutInsets.bottom)
     }
 
-    fun notifyLaidOut(fallBackBottomInset: Int) {
+    private fun updateCardGeometry() {
-        if (bottomInset < 0) bottomInset = fallBackBottomInset
+        if (!isCarouselMode || height <= 0) return
-        var gameAdapter = adapter as? GameAdapter ?: return
-        var newCardSize = cardSize(bottomInset)
-        if (gameAdapter.cardSize != newCardSize) {
-            gameAdapter.setCardSize(newCardSize)
-        }
 
-        if (isCarouselMode) {
+        val gameAdapter = adapter as? GameAdapter ?: return
-            setupCarousel(true)
+        val windowInsets = latestWindowInsets ?: ViewCompat.getRootWindowInsets(this) ?: return
-        }
-    }
 
-    fun cardSize(bottomInset: Int): Int {
+        if (cardGeometryInitialized && !hasWindowFocus()) return
+
+        val newBottomInset = resolveBottomInset(windowInsets).coerceIn(0, height)
         val internalFactor = resources.getFraction(R.fraction.carousel_card_size_factor, 1, 1)
         val userFactor = preferences.getFloat(CAROUSEL_CARD_SIZE_FACTOR, internalFactor).coerceIn(
             0f,
             1f
         )
-        val scaledHeight = height * userFactor
+        val screenWidth = resources.displayMetrics.widthPixels.toFloat()
-        val availableHeight = height - bottomInset
+        val screenHeight = resources.displayMetrics.heightPixels.toFloat()
-        return minOf(scaledHeight.toInt(), availableHeight.toInt())
+        val aspectFactor = ((screenWidth / screenHeight) / (20f / 9f))
+            .pow(0.75f)
+            .coerceIn(0.5f, 1f)
+        val newCardSize = minOf(
+            (height * userFactor).toInt(),
+            height - newBottomInset,
+            (height * aspectFactor).toInt()
+        )
+        if (newCardSize <= 0) return
+        val insetChanged = bottomInset != newBottomInset
+        val cardSizeChanged = gameAdapter.cardSize != newCardSize
+
+        bottomInset = newBottomInset
+        cardGeometryInitialized = true
+
+        if (cardSizeChanged) gameAdapter.setCardSize(newCardSize)
+        if (insetChanged || cardSizeChanged) setupCarousel(true)
+    }
+
+    private fun applyCarouselPadding() {
+        if (!isCarouselMode) return
+
+        val gameAdapter = adapter as? GameAdapter ?: return
+        val cardSize = gameAdapter.cardSize
+        if (cardSize <= 0 || bottomInset < 0) return
+
+        val topPadding = ((height - bottomInset - cardSize) / 2).coerceAtLeast(0)
+        val sidePadding = (width - cardSize) / 2
+        if (paddingLeft != sidePadding || paddingTop != topPadding ||
+            paddingRight != sidePadding || paddingBottom != 0
+        ) {
+            setPadding(sidePadding, topPadding, sidePadding, 0)
+        }
+        clipToPadding = false
     }
 
     fun setupCarousel(enabled: Boolean) {
@@ -315,9 +385,6 @@ class CarouselRecyclerView @JvmOverloads constructor(
                 internalFlingMultiplier
             ).coerceIn(1f, 5f)
 
-            // Detach SnapHelper during setup
-            pagerSnapHelper?.attachToRecyclerView(null)
-
             // Add overlap decoration if not present
             if (overlapDecoration == null) {
                 overlapDecoration = OverlappingDecoration(overlapPx)
@@ -335,12 +402,7 @@ class CarouselRecyclerView @JvmOverloads constructor(
                 addOnScrollListener(scalingScrollListener!!)
             }
 
-            if (cardSize > 0) {
+            applyCarouselPadding()
-                val topPadding = ((height - bottomInset - cardSize) / 2).coerceAtLeast(0) // Center vertically
-                val sidePadding = (width - cardSize) / 2 // Center first/last card
-                setPadding(sidePadding, topPadding, sidePadding, 0)
-                clipToPadding = false
-            }
 
             if (pagerSnapHelper == null) {
                 pagerSnapHelper = CenterPagerSnapHelper()
@@ -362,6 +424,7 @@ class CarouselRecyclerView @JvmOverloads constructor(
                 }
                 savedItemAnimator = null
             }
+            cardGeometryInitialized = false
             useCustomDrawingOrder = false
             // Reset padding and fling
             setPadding(0, 0, 0, 0)

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

@@ -76,6 +76,7 @@ extern "C" {
 #include "core/frontend/applets/software_keyboard.h"
 #include "core/frontend/applets/web_browser.h"
 #include "common/android/applets/web_browser.h"
+#include "core/file_sys/common_funcs.h"
 #include "core/hle/service/am/applet_manager.h"
 #include "core/hle/service/am/frontend/applets.h"
 #include "core/hle/service/filesystem/filesystem.h"
@@ -311,11 +312,23 @@ Core::SystemResultStatus EmulationSession::InitializeEmulation(const std::string
     ConfigureFilesystemProvider(filepath);
 
     // Load the ROM.
+    const u64 previous_program_id =
+        program_index != 0 && m_next_program_id.load() >
+                                  static_cast<u64>(Service::AM::AppletProgramId::MaxProgramId)
+            ? m_next_program_id.load()
+            : 0;
+
     Service::AM::FrontendAppletParameters params{
+        .program_id = previous_program_id,
         .applet_id = static_cast<Service::AM::AppletId>(m_applet_id),
         .launch_type = frontend_initiated ? Service::AM::LaunchType::FrontendInitiated
                                           : Service::AM::LaunchType::ApplicationInitiated,
         .program_index = static_cast<s32>(program_index),
+        .previous_program_index =
+            previous_program_id != 0
+                ? static_cast<s32>(previous_program_id -
+                                   FileSys::GetBaseTitleID(previous_program_id))
+                : -1,
     };
 
     m_load_result = m_system.Load(EmulationSession::GetInstance().Window(), filepath, params);
@@ -328,8 +341,12 @@ 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_id = m_system.GetApplicationProcessProgramID();
         m_next_program_index = program_index_;
         EmulationSession::GetInstance().HaltEmulation();
     });
@@ -407,20 +424,58 @@ 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),
+            if (m_cv.wait_for(lock, std::chrono::milliseconds(800), [&]() {
-                              [&]() { return !m_is_running; })) {
+                    return !m_is_running || m_pending_shader_cache_title.has_value();
-                // Emulation halted.
+                })) {
-                break;
+                if (!m_is_running) {
+                    break;
+                }
+                reload_title = std::exchange(m_pending_shader_cache_title, std::nullopt);
             }
         }
+
+        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

@@ -4,6 +4,8 @@
 // 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"
@@ -44,6 +46,7 @@ public:
     void HaltEmulation();
     void RunEmulation();
     void ShutdownEmulation();
+    void RequestDiskShaderCacheReload(u64 program_id);
 
     const Core::PerfStatsResults& PerfStats();
     int ShadersBuilding();
@@ -65,6 +68,7 @@ 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
@@ -83,6 +87,7 @@ 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;
@@ -93,4 +98,5 @@ private:
 
     // Program index for next boot
     std::atomic<s32> m_next_program_index = -1;
+    std::atomic<u64> m_next_program_id = 0;
 };

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

@@ -636,8 +636,6 @@
     <string name="log">Logging</string>
     <string name="flush_by_line">Flush debug logs by line</string>
     <string name="flush_by_line_description">Flushes debugging logs on each line written, making debugging easier in cases of crashing or freezing.</string>
-    <string name="log_filter">Log filter</string>
-    <string name="log_filter_description">Controls Eden\'s log categories. Example: *:Info Service.LM:Debug</string>
 
     <!-- GPU Logging strings -->
     <string name="gpu_logging_header">GPU Logging</string>

src/audio_core/adsp/apps/opus/opus_multistream_decode_object.cpp

@@ -1,3 +1,6 @@
+// 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
 
@@ -7,13 +10,12 @@
 namespace AudioCore::ADSP::OpusDecoder {
 
 namespace {
-bool IsValidChannelCount(u32 channel_count) {
+constexpr u32 OpusStreamCountMax = 255;
-    return channel_count == 1 || channel_count == 2;
-}
 
 bool IsValidStreamCounts(u32 total_stream_count, u32 stereo_stream_count) {
-    return total_stream_count > 0 && static_cast<s32>(stereo_stream_count) >= 0 &&
+    return total_stream_count > 0 && total_stream_count <= OpusStreamCountMax &&
-           stereo_stream_count <= total_stream_count && IsValidChannelCount(total_stream_count);
+           static_cast<s32>(stereo_stream_count) >= 0 &&
+           stereo_stream_count <= total_stream_count;
 }
 } // namespace
 

src/audio_core/audio_core.cpp

@@ -12,7 +12,7 @@
 namespace AudioCore {
 
 AudioCore::AudioCore(Core::System& system) {
-    audio_manager.emplace();
+    audio_manager.emplace(system);
     CreateSinks();
     // Must be created after the sinks
     adsp.emplace(system, *output_sink);

src/audio_core/audio_in_manager.cpp

@@ -15,12 +15,12 @@
 
 namespace AudioCore::AudioIn {
 
-Manager::Manager(Core::System& system_) : system{system_} {
+Manager::Manager(Core::System& system) {
     std::iota(session_ids.begin(), session_ids.end(), 0);
     num_free_sessions = MaxInSessions;
 }
 
-Result Manager::AcquireSessionId(size_t& session_id) {
+Result Manager::AcquireSessionId(Core::System& system, size_t& session_id) {
     if (num_free_sessions == 0) {
         LOG_ERROR(Service_Audio, "All 4 AudioIn sessions are in use, cannot create any more");
         return Service::Audio::ResultOutOfSessions;
@@ -31,7 +31,7 @@ Result Manager::AcquireSessionId(size_t& session_id) {
     return ResultSuccess;
 }
 
-void Manager::ReleaseSessionId(const size_t session_id) {
+void Manager::ReleaseSessionId(Core::System& system, const size_t session_id) {
     std::scoped_lock l{mutex};
     LOG_DEBUG(Service_Audio, "Freeing AudioIn session {}", session_id);
     session_ids[free_session_id] = session_id;
@@ -41,21 +41,20 @@ void Manager::ReleaseSessionId(const size_t session_id) {
     applet_resource_user_ids[session_id] = 0;
 }
 
-Result Manager::LinkToManager() {
+Result Manager::LinkToManager(Core::System& system) {
     std::scoped_lock l{mutex};
     if (!linked_to_manager) {
-        system.AudioCore().GetAudioManager().SetInManager(std::bind(&Manager::BufferReleaseAndRegister, this));
+        system.AudioCore().GetAudioManager().SetInManager(&Manager::BufferReleaseAndRegister);
         linked_to_manager = true;
     }
 
     return ResultSuccess;
 }
 
-void Manager::Start() {
+void Manager::Start(Core::System& system) {
     if (sessions_started) {
         return;
     }
-
     std::scoped_lock l{mutex};
     for (auto& session : sessions) {
         if (session) {
@@ -66,21 +65,19 @@ void Manager::Start() {
     sessions_started = true;
 }
 
-void Manager::BufferReleaseAndRegister() {
+void Manager::BufferReleaseAndRegister(void *data, Core::System& system) noexcept {
-    std::scoped_lock l{mutex};
+    Manager* this_ = (Manager*)data;
-    for (auto& session : sessions) {
+    std::scoped_lock l{this_->mutex};
+    for (auto& session : this_->sessions) {
         if (session != nullptr) {
             session->ReleaseAndRegisterBuffers();
         }
     }
 }
 
-u32 Manager::GetDeviceNames(std::span<Renderer::AudioDevice::AudioDeviceName> names,
+u32 Manager::GetDeviceNames(Core::System& system, std::span<Renderer::AudioDevice::AudioDeviceName> names, [[maybe_unused]] const bool filter) {
-                            [[maybe_unused]] const bool filter) {
     std::scoped_lock l{mutex};
-
+    LinkToManager(system);
-    LinkToManager();
-
     auto input_devices{Sink::GetDeviceListForSink(Settings::values.sink_id.GetValue(), true)};
     if (!input_devices.empty() && !names.empty()) {
         names[0] = Renderer::AudioDevice::AudioDeviceName("Uac");

src/audio_core/audio_in_manager.h

@@ -1,3 +1,6 @@
+// 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-2.0-or-later
 
@@ -30,31 +33,29 @@ public:
      * @param session_id - Output session_id.
      * @return Result code.
      */
-    Result AcquireSessionId(size_t& session_id);
+    Result AcquireSessionId(Core::System& system, size_t& session_id);
 
     /**
      * Release a session id on close.
      *
      * @param session_id - Session id to free.
      */
-    void ReleaseSessionId(size_t session_id);
+    void ReleaseSessionId(Core::System& system, const size_t session_id);
 
     /**
      * Link the audio in manager to the main audio manager.
      *
      * @return Result code.
      */
-    Result LinkToManager();
+    Result LinkToManager(Core::System& system);
 
     /**
      * Start the audio in manager.
      */
-    void Start();
+    void Start(Core::System& system);
 
-    /**
+    /// @brief Callback function, called by the audio manager when the audio in event is signalled.
-     * Callback function, called by the audio manager when the audio in event is signalled.
+    static void BufferReleaseAndRegister(void *data, Core::System& system) noexcept;
-     */
-    void BufferReleaseAndRegister();
 
     /**
      * Get a list of audio in device names.
@@ -64,10 +65,8 @@ public:
      *
      * @return Number of names written.
      */
-    u32 GetDeviceNames(std::span<Renderer::AudioDevice::AudioDeviceName> names, bool filter);
+    u32 GetDeviceNames(Core::System& system, std::span<Renderer::AudioDevice::AudioDeviceName> names, bool filter);
 
-    /// Core system
-    Core::System& system;
     /// Array of session ids
     std::array<size_t, MaxInSessions> session_ids{};
     /// Array of resource user ids

src/audio_core/audio_manager.cpp

@@ -11,8 +11,8 @@
 
 namespace AudioCore {
 
-AudioManager::AudioManager() {
+AudioManager::AudioManager(Core::System& system) {
-    thread = std::jthread([this](std::stop_token stop_token) {
+    thread = std::jthread([&](std::stop_token stop_token) {
         Common::SetCurrentThreadName("AudioManager");
         std::unique_lock l{events.GetAudioEventLock()};
         events.ClearEvents();
@@ -25,7 +25,7 @@ AudioManager::AudioManager() {
                 const auto event_type = Event::Type(i);
                 if (events.CheckAudioEventSet(event_type) || timed_out) {
                     if (buffer_events[i]) {
-                        buffer_events[i]();
+                        buffer_events[i](this, system);
                     }
                 }
                 events.SetAudioEvent(event_type, false);

src/audio_core/audio_manager.h

@@ -16,6 +16,10 @@
 
 #include "audio_core/audio_event.h"
 
+namespace Core {
+class System;
+}
+
 union Result;
 
 namespace AudioCore {
@@ -34,10 +38,9 @@ namespace AudioCore {
  * This is only used by audio in and audio out.
  */
 class AudioManager {
-    using BufferEventFunc = std::function<void()>;
+    using BufferEventFunc = void (*)(void *data, Core::System& system) noexcept;
-
 public:
-    explicit AudioManager();
+    explicit AudioManager(Core::System& system);
 
     /**
      * Shutdown the audio manager.

src/audio_core/audio_out_manager.cpp

@@ -14,12 +14,12 @@
 
 namespace AudioCore::AudioOut {
 
-Manager::Manager(Core::System& system_) : system{system_} {
+Manager::Manager(Core::System& system) {
     std::iota(session_ids.begin(), session_ids.end(), 0);
     num_free_sessions = MaxOutSessions;
 }
 
-Result Manager::AcquireSessionId(size_t& session_id) {
+Result Manager::AcquireSessionId(Core::System& system, size_t& session_id) {
     if (num_free_sessions == 0) {
         LOG_ERROR(Service_Audio, "All 12 Audio Out sessions are in use, cannot create any more");
         return Service::Audio::ResultOutOfSessions;
@@ -30,7 +30,7 @@ Result Manager::AcquireSessionId(size_t& session_id) {
     return ResultSuccess;
 }
 
-void Manager::ReleaseSessionId(const size_t session_id) {
+void Manager::ReleaseSessionId(Core::System& system, const size_t session_id) {
     std::scoped_lock l{mutex};
     LOG_DEBUG(Service_Audio, "Freeing AudioOut session {}", session_id);
     session_ids[free_session_id] = session_id;
@@ -40,17 +40,17 @@ void Manager::ReleaseSessionId(const size_t session_id) {
     applet_resource_user_ids[session_id] = 0;
 }
 
-Result Manager::LinkToManager() {
+Result Manager::LinkToManager(Core::System& system) {
     std::scoped_lock l{mutex};
     if (!linked_to_manager) {
-        system.AudioCore().GetAudioManager().SetOutManager(std::bind(&Manager::BufferReleaseAndRegister, this));
+        system.AudioCore().GetAudioManager().SetOutManager(&Manager::BufferReleaseAndRegister);
         linked_to_manager = true;
     }
 
     return ResultSuccess;
 }
 
-void Manager::Start() {
+void Manager::Start(Core::System& system) {
     if (sessions_started) {
         return;
     }
@@ -65,19 +65,14 @@ void Manager::Start() {
     sessions_started = true;
 }
 
-void Manager::BufferReleaseAndRegister() {
+void Manager::BufferReleaseAndRegister(void *data, Core::System& system) noexcept {
-    std::scoped_lock l{mutex};
+    Manager* this_ = (Manager*)data;
-    for (auto& session : sessions) {
+    std::scoped_lock l{this_->mutex};
+    for (auto& session : this_->sessions) {
         if (session != nullptr) {
             session->ReleaseAndRegisterBuffers();
         }
     }
 }
 
-u32 Manager::GetAudioOutDeviceNames(
-    std::vector<Renderer::AudioDevice::AudioDeviceName>& names) const {
-    names.emplace_back("DeviceOut");
-    return 1;
-}
-
 } // namespace AudioCore::AudioOut

src/audio_core/audio_out_manager.h

@@ -1,3 +1,6 @@
+// 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-2.0-or-later
 
@@ -29,42 +32,32 @@ public:
      * @param session_id - Output session_id.
      * @return Result code.
      */
-    Result AcquireSessionId(size_t& session_id);
+    Result AcquireSessionId(Core::System& system, size_t& session_id);
 
     /**
      * Release a session id on close.
      *
      * @param session_id - Session id to free.
      */
-    void ReleaseSessionId(size_t session_id);
+    void ReleaseSessionId(Core::System& system, const size_t session_id);
 
     /**
      * Link this manager to the main audio manager.
      *
      * @return Result code.
      */
-    Result LinkToManager();
+    Result LinkToManager(Core::System& system);
 
     /**
      * Start the audio out manager.
      */
-    void Start();
+    void Start(Core::System& system);
 
     /**
      * Callback function, called by the audio manager when the audio out event is signalled.
      */
-    void BufferReleaseAndRegister();
+    static void BufferReleaseAndRegister(void* data, Core::System& system) noexcept;
 
-    /**
-     * Get a list of audio out device names.
-     *
-     * @param names     - Output container to write names to.
-     * @return Number of names written.
-     */
-    u32 GetAudioOutDeviceNames(std::vector<Renderer::AudioDevice::AudioDeviceName>& names) const;
-
-    /// Core system
-    Core::System& system;
     /// Array of session ids
     std::array<size_t, MaxOutSessions> session_ids{};
     /// Array of resource user ids

src/audio_core/audio_render_manager.cpp

@@ -1,15 +1,20 @@
+// 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-2.0-or-later
 
 #include "audio_core/audio_render_manager.h"
 #include "audio_core/common/audio_renderer_parameter.h"
+#include "audio_core/renderer/system_manager.h"
 #include "audio_core/common/feature_support.h"
 #include "core/core.h"
 
 namespace AudioCore::Renderer {
 
 Manager::Manager(Core::System& system_)
-    : system{system_}, system_manager{std::make_unique<SystemManager>(system)} {
+    : system_manager{std::make_unique<SystemManager>(system_)}
+{
     std::iota(session_ids.begin(), session_ids.end(), 0);
 }
 
@@ -59,11 +64,11 @@ u32 Manager::GetSessionCount() const {
     return session_count;
 }
 
-bool Manager::AddSystem(System& system_) {
+bool Manager::AddSystem(Renderer::System& system_) {
     return system_manager->Add(system_);
 }
 
-bool Manager::RemoveSystem(System& system_) {
+bool Manager::RemoveSystem(Renderer::System& system_) {
     return system_manager->Remove(system_);
 }
 

src/audio_core/audio_render_manager.h

@@ -1,3 +1,6 @@
+// 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-2.0-or-later
 
@@ -71,7 +74,7 @@ public:
      * @param system - The system to add.
      * @return True if the system was successfully added, otherwise false.
      */
-    bool AddSystem(System& system);
+    bool AddSystem(Renderer::System& system);
 
     /**
      * Remove a renderer system from the manager.
@@ -79,7 +82,7 @@ public:
      * @param system - The system to remove.
      * @return True if the system was successfully removed, otherwise false.
      */
-    bool RemoveSystem(System& system);
+    bool RemoveSystem(Renderer::System& system);
 
     /**
      * Free a session id when the system wants to shut down.
@@ -89,8 +92,6 @@ public:
     void ReleaseSessionId(s32 session_id);
 
 private:
-    /// Core system
-    Core::System& system;
     /// Session ids, -1 when in use
     std::array<s32, MaxRendererSessions> session_ids{};
     /// Number of active renderers

src/audio_core/common/workbuffer_allocator.h

@@ -1,3 +1,6 @@
+// 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-2.0-or-later
 
@@ -16,8 +19,9 @@ namespace AudioCore {
  */
 class WorkbufferAllocator {
 public:
-    explicit WorkbufferAllocator(std::span<u8> buffer_, u64 size_)
+    explicit WorkbufferAllocator(std::span<u8> buffer_)
-        : buffer{reinterpret_cast<u64>(buffer_.data())}, size{size_} {}
+        : buffer{buffer_}
+    {}
 
     /**
      * Allocate the given count of T elements, aligned to alignment.
@@ -29,36 +33,31 @@ public:
     template <typename T>
     std::span<T> Allocate(u64 count, u64 alignment) {
         u64 out{0};
-        u64 byte_size{count * sizeof(T)};
+        u64 byte_size = count * sizeof(T);
-
         if (byte_size > 0) {
-            auto current{buffer + offset};
+            auto current{uintptr_t(buffer.data()) + offset};
             auto aligned_buffer{Common::AlignUp(current, alignment)};
-            if (aligned_buffer + byte_size <= buffer + size) {
+            if (aligned_buffer + byte_size <= uintptr_t(buffer.data()) + buffer.size()) {
                 out = aligned_buffer;
-                offset = byte_size - buffer + aligned_buffer;
+                offset = byte_size - uintptr_t(buffer.data()) + aligned_buffer;
             } else {
                 LOG_ERROR(
                     Service_Audio,
                     "Allocated buffer was too small to hold new alloc.\nAllocator size={:08X}, "
                     "offset={:08X}.\nAttempting to allocate {:08X} with alignment={:02X}",
-                    size, offset, byte_size, alignment);
+                    buffer.size(), offset, byte_size, alignment);
                 count = 0;
             }
         }
-
         return std::span<T>(reinterpret_cast<T*>(out), count);
     }
 
-    /**
+    /// @brief Align the current offset to the given alignment.
-     * Align the current offset to the given alignment.
+    /// @param alignment - The required starting alignment.
-     *
-     * @param alignment - The required starting alignment.
-     */
     void Align(u64 alignment) {
-        auto current{buffer + offset};
+        auto current{uintptr_t(buffer.data()) + offset};
         auto aligned_buffer{Common::AlignUp(current, alignment)};
-        offset = 0 - buffer + aligned_buffer;
+        offset = 0 - uintptr_t(buffer.data()) + aligned_buffer;
     }
 
     /**
@@ -76,7 +75,7 @@ public:
      * @return The size of the current buffer.
      */
     u64 GetSize() const {
-        return size;
+        return buffer.size();
     }
 
     /**
@@ -85,14 +84,11 @@ public:
      * @return The remaining size left in the buffer.
      */
     u64 GetRemainingSize() const {
-        return size - offset;
+        return buffer.size() - offset;
     }
 
 private:
-    /// The buffer into which we are allocating.
+    const std::span<u8> buffer;
-    u64 buffer;
-    /// Size of the buffer we're allocating to.
-    u64 size;
     /// Current offset into the buffer, an error will be thrown if it exceeds size.
     u64 offset{};
 };

src/audio_core/in/audio_in.cpp

@@ -1,3 +1,6 @@
+// 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-2.0-or-later
 
@@ -8,42 +11,43 @@
 namespace AudioCore::AudioIn {
 
 In::In(Core::System& system_, Manager& manager_, Kernel::KEvent* event_, size_t session_id_)
-    : manager{manager_}, parent_mutex{manager.mutex}, event{event_}, system{system_, event,
+    : manager{manager_}, parent_mutex{manager.mutex}, event{event_}
-                                                                            session_id_} {}
+    , audio_system{system_, event, session_id_}
+{}
 
-void In::Free() {
+void In::Free(Core::System& system) {
     std::scoped_lock l{parent_mutex};
-    manager.ReleaseSessionId(system.GetSessionId());
+    manager.ReleaseSessionId(system, audio_system.GetSessionId());
 }
 
 System& In::GetSystem() {
-    return system;
+    return audio_system;
 }
 
 AudioIn::State In::GetState() {
     std::scoped_lock l{parent_mutex};
-    return system.GetState();
+    return audio_system.GetState();
 }
 
 Result In::StartSystem() {
     std::scoped_lock l{parent_mutex};
-    return system.Start();
+    return audio_system.Start();
 }
 
 void In::StartSession() {
     std::scoped_lock l{parent_mutex};
-    system.StartSession();
+    audio_system.StartSession();
 }
 
 Result In::StopSystem() {
     std::scoped_lock l{parent_mutex};
-    return system.Stop();
+    return audio_system.Stop();
 }
 
 Result In::AppendBuffer(const AudioInBuffer& buffer, u64 tag) {
     std::scoped_lock l{parent_mutex};
 
-    if (system.AppendBuffer(buffer, tag)) {
+    if (audio_system.AppendBuffer(buffer, tag)) {
         return ResultSuccess;
     }
     return Service::Audio::ResultBufferCountReached;
@@ -51,20 +55,20 @@ Result In::AppendBuffer(const AudioInBuffer& buffer, u64 tag) {
 
 void In::ReleaseAndRegisterBuffers() {
     std::scoped_lock l{parent_mutex};
-    if (system.GetState() == State::Started) {
+    if (audio_system.GetState() == State::Started) {
-        system.ReleaseBuffers();
+        audio_system.ReleaseBuffers();
-        system.RegisterBuffers();
+        audio_system.RegisterBuffers();
     }
 }
 
 bool In::FlushAudioInBuffers() {
     std::scoped_lock l{parent_mutex};
-    return system.FlushAudioInBuffers();
+    return audio_system.FlushAudioInBuffers();
 }
 
 u32 In::GetReleasedBuffers(std::span<u64> tags) {
     std::scoped_lock l{parent_mutex};
-    return system.GetReleasedBuffers(tags);
+    return audio_system.GetReleasedBuffers(tags);
 }
 
 Kernel::KReadableEvent& In::GetBufferEvent() {
@@ -74,27 +78,27 @@ Kernel::KReadableEvent& In::GetBufferEvent() {
 
 f32 In::GetVolume() const {
     std::scoped_lock l{parent_mutex};
-    return system.GetVolume();
+    return audio_system.GetVolume();
 }
 
 void In::SetVolume(f32 volume) {
     std::scoped_lock l{parent_mutex};
-    system.SetVolume(volume);
+    audio_system.SetVolume(volume);
 }
 
 bool In::ContainsAudioBuffer(u64 tag) const {
     std::scoped_lock l{parent_mutex};
-    return system.ContainsAudioBuffer(tag);
+    return audio_system.ContainsAudioBuffer(tag);
 }
 
 u32 In::GetBufferCount() const {
     std::scoped_lock l{parent_mutex};
-    return system.GetBufferCount();
+    return audio_system.GetBufferCount();
 }
 
 u64 In::GetPlayedSampleCount() const {
     std::scoped_lock l{parent_mutex};
-    return system.GetPlayedSampleCount();
+    return audio_system.GetPlayedSampleCount();
 }
 
 } // namespace AudioCore::AudioIn

src/audio_core/in/audio_in.h

@@ -1,3 +1,6 @@
+// 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-2.0-or-later
 
@@ -30,7 +33,7 @@ public:
     /**
      * Free this audio in from the audio in manager.
      */
-    void Free();
+    void Free(Core::System& system);
 
     /**
      * Get this audio in's system.
@@ -141,7 +144,7 @@ private:
     /// Buffer event, signalled when buffers are ready to be released
     Kernel::KEvent* event;
     /// Main audio in system
-    System system;
+    System audio_system;
 };
 
 } // namespace AudioCore::AudioIn

src/audio_core/opus/hardware_opus.cpp

@@ -1,3 +1,6 @@
+// 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
 
@@ -105,7 +108,7 @@ Result HardwareOpus::InitializeMultiStreamDecodeObject(u32 sample_rate, u32 chan
     shared_memory.host_send_data[4] = total_stream_count;
     shared_memory.host_send_data[5] = stereo_stream_count;
 
-    ASSERT(channel_count <= MaxChannels);
+    ASSERT(channel_count <= shared_memory.channel_mapping.size());
     std::memcpy(shared_memory.channel_mapping.data(), mappings, channel_count * sizeof(u8));
 
     opus_decoder.Send(ADSP::Direction::DSP,

src/audio_core/out/audio_out.cpp

@@ -1,3 +1,6 @@
+// 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-2.0-or-later
 
@@ -8,42 +11,43 @@
 namespace AudioCore::AudioOut {
 
 Out::Out(Core::System& system_, Manager& manager_, Kernel::KEvent* event_, size_t session_id_)
-    : manager{manager_}, parent_mutex{manager.mutex}, event{event_}, system{system_, event,
+    : manager{manager_}, parent_mutex{manager.mutex}, event{event_}
-                                                                            session_id_} {}
+    , audio_system{system_, event, session_id_}
+{}
 
-void Out::Free() {
+void Out::Free(Core::System& system) {
     std::scoped_lock l{parent_mutex};
-    manager.ReleaseSessionId(system.GetSessionId());
+    manager.ReleaseSessionId(system, audio_system.GetSessionId());
 }
 
 System& Out::GetSystem() {
-    return system;
+    return audio_system;
 }
 
 AudioOut::State Out::GetState() {
     std::scoped_lock l{parent_mutex};
-    return system.GetState();
+    return audio_system.GetState();
 }
 
 Result Out::StartSystem() {
     std::scoped_lock l{parent_mutex};
-    return system.Start();
+    return audio_system.Start();
 }
 
 void Out::StartSession() {
     std::scoped_lock l{parent_mutex};
-    system.StartSession();
+    audio_system.StartSession();
 }
 
 Result Out::StopSystem() {
     std::scoped_lock l{parent_mutex};
-    return system.Stop();
+    return audio_system.Stop();
 }
 
 Result Out::AppendBuffer(const AudioOutBuffer& buffer, const u64 tag) {
     std::scoped_lock l{parent_mutex};
 
-    if (system.AppendBuffer(buffer, tag)) {
+    if (audio_system.AppendBuffer(buffer, tag)) {
         return ResultSuccess;
     }
     return Service::Audio::ResultBufferCountReached;
@@ -51,20 +55,20 @@ Result Out::AppendBuffer(const AudioOutBuffer& buffer, const u64 tag) {
 
 void Out::ReleaseAndRegisterBuffers() {
     std::scoped_lock l{parent_mutex};
-    if (system.GetState() == State::Started) {
+    if (audio_system.GetState() == State::Started) {
-        system.ReleaseBuffers();
+        audio_system.ReleaseBuffers();
-        system.RegisterBuffers();
+        audio_system.RegisterBuffers();
     }
 }
 
 bool Out::FlushAudioOutBuffers() {
     std::scoped_lock l{parent_mutex};
-    return system.FlushAudioOutBuffers();
+    return audio_system.FlushAudioOutBuffers();
 }
 
 u32 Out::GetReleasedBuffers(std::span<u64> tags) {
     std::scoped_lock l{parent_mutex};
-    return system.GetReleasedBuffers(tags);
+    return audio_system.GetReleasedBuffers(tags);
 }
 
 Kernel::KReadableEvent& Out::GetBufferEvent() {
@@ -74,27 +78,27 @@ Kernel::KReadableEvent& Out::GetBufferEvent() {
 
 f32 Out::GetVolume() const {
     std::scoped_lock l{parent_mutex};
-    return system.GetVolume();
+    return audio_system.GetVolume();
 }
 
 void Out::SetVolume(const f32 volume) {
     std::scoped_lock l{parent_mutex};
-    system.SetVolume(volume);
+    audio_system.SetVolume(volume);
 }
 
 bool Out::ContainsAudioBuffer(const u64 tag) const {
     std::scoped_lock l{parent_mutex};
-    return system.ContainsAudioBuffer(tag);
+    return audio_system.ContainsAudioBuffer(tag);
 }
 
 u32 Out::GetBufferCount() const {
     std::scoped_lock l{parent_mutex};
-    return system.GetBufferCount();
+    return audio_system.GetBufferCount();
 }
 
 u64 Out::GetPlayedSampleCount() const {
     std::scoped_lock l{parent_mutex};
-    return system.GetPlayedSampleCount();
+    return audio_system.GetPlayedSampleCount();
 }
 
 } // namespace AudioCore::AudioOut

src/audio_core/out/audio_out.h

@@ -1,3 +1,6 @@
+// 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-2.0-or-later
 
@@ -30,7 +33,7 @@ public:
     /**
      * Free this audio out from the audio out manager.
      */
-    void Free();
+    void Free(Core::System& system);
 
     /**
      * Get this audio out's system.
@@ -141,7 +144,7 @@ private:
     /// Buffer event, signalled when buffers are ready to be released
     Kernel::KEvent* event;
     /// Main audio out system
-    System system;
+    System audio_system;
 };
 
 } // namespace AudioCore::AudioOut

src/audio_core/renderer/audio_renderer.cpp

@@ -1,3 +1,6 @@
+// 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-2.0-or-later
 
@@ -13,56 +16,48 @@
 namespace AudioCore::Renderer {
 
 Renderer::Renderer(Core::System& system_, Manager& manager_, Kernel::KEvent* rendered_event)
-    : core{system_}, manager{manager_}, system{system_, rendered_event} {}
+    : system{system_}, manager{manager_}
+    , audio_system{system_, rendered_event}
+{}
 
-Result Renderer::Initialize(const AudioRendererParameterInternal& params,
+Result Renderer::Initialize(const AudioRendererParameterInternal& params, Kernel::KTransferMemory* transfer_memory, const u64 transfer_memory_size, Kernel::KProcess* process_handle, const u64 applet_resource_user_id, const s32 session_id) {
-                            Kernel::KTransferMemory* transfer_memory,
-                            const u64 transfer_memory_size, Kernel::KProcess* process_handle,
-                            const u64 applet_resource_user_id, const s32 session_id) {
     if (params.execution_mode == ExecutionMode::Auto) {
-        if (!manager.AddSystem(system)) {
+        if (!manager.AddSystem(audio_system)) {
-            LOG_ERROR(Service_Audio,
+            LOG_ERROR(Service_Audio, "Both Audio Render sessions are in use, cannot create any more");
-                      "Both Audio Render sessions are in use, cannot create any more");
             return Service::Audio::ResultOutOfSessions;
         }
         system_registered = true;
     }
 
     initialized = true;
-    system.Initialize(params, transfer_memory, transfer_memory_size, process_handle,
+    audio_system.Initialize(params, transfer_memory, transfer_memory_size, process_handle, applet_resource_user_id, session_id);
-                      applet_resource_user_id, session_id);
-
     return ResultSuccess;
 }
 
 void Renderer::Finalize() {
-    auto session_id{system.GetSessionId()};
+    auto const session_id{audio_system.GetSessionId()};
-
+    audio_system.Finalize();
-    system.Finalize();
-
     if (system_registered) {
-        manager.RemoveSystem(system);
+        manager.RemoveSystem(audio_system);
         system_registered = false;
     }
-
     manager.ReleaseSessionId(session_id);
 }
 
 System& Renderer::GetSystem() {
-    return system;
+    return audio_system;
 }
 
 void Renderer::Start() {
-    system.Start();
+    audio_system.Start();
 }
 
 void Renderer::Stop() {
-    system.Stop();
+    audio_system.Stop();
 }
 
-Result Renderer::RequestUpdate(std::span<const u8> input, std::span<u8> performance,
+Result Renderer::RequestUpdate(std::span<const u8> input, std::span<u8> performance, std::span<u8> output) {
-                               std::span<u8> output) {
+    return audio_system.Update(input, performance, output);
-    return system.Update(input, performance, output);
 }
 
 } // namespace AudioCore::Renderer

src/audio_core/renderer/audio_renderer.h

@@ -1,3 +1,6 @@
+// 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-2.0-or-later
 
@@ -84,7 +87,7 @@ public:
 
 private:
     /// System core
-    Core::System& core;
+    Core::System& system;
     /// Manager this renderer is registered with
     Manager& manager;
     /// Is the audio renderer initialized?
@@ -92,7 +95,7 @@ private:
     /// Is the system registered with the manager?
     bool system_registered{};
     /// Audio render system, main driver of audio rendering
-    System system;
+    System audio_system;
 };
 
 } // namespace Renderer

src/audio_core/renderer/system.cpp

@@ -145,7 +145,7 @@ Result System::Initialize(const AudioRendererParameterInternal& params,
     PoolMapper pool_mapper(process_handle, false);
     pool_mapper.InitializeSystemPool(memory_pool_info, workbuffer.get(), workbuffer_size);
 
-    WorkbufferAllocator allocator({workbuffer.get(), workbuffer_size}, workbuffer_size);
+    WorkbufferAllocator allocator({workbuffer.get(), workbuffer_size});
 
     samples_workbuffer =
         allocator.Allocate<s32>((voice_channels + mix_buffer_count) * sample_count, 0x10);

src/audio_core/sink/sdl3_sink.cpp

@@ -19,6 +19,23 @@
 namespace AudioCore::Sink {
 
 namespace {
+
+[[nodiscard]] bool InitializeAudio() {
+    if (!SDL_WasInit(SDL_INIT_AUDIO)) {
+        // See https://github.com/PCSX2/pcsx2/pull/12312
+        // "SDL and cubeb backends previously resulted in different names for the output which
+        // caused them be identified as different applications by the OS."
+        //
+        // Keep in sync with cubeb_sink.cpp name.
+        SDL_SetHint("SDL_AUDIO_DEVICE_APP_NAME", "yuzu Latency Getter");
+        if (!SDL_InitSubSystem(SDL_INIT_AUDIO)) {
+            LOG_CRITICAL(Audio_Sink, "SDL_InitSubSystem audio failed: {}", SDL_GetError());
+            return false;
+        }
+    }
+    return true;
+}
+
 SDL_AudioDeviceID FindAudioDeviceByName(const std::string& device_name, bool capture) {
     int device_count = 0;
     SDL_AudioDeviceID* devices = capture ? SDL_GetAudioRecordingDevices(&device_count)
@@ -204,20 +221,14 @@ private:
 };
 
 SDLSink::SDLSink(std::string_view target_device_name) {
-    if (!SDL_WasInit(SDL_INIT_AUDIO)) {
+    if (InitializeAudio()) {
-        if (!SDL_InitSubSystem(SDL_INIT_AUDIO)) {
+        if (target_device_name != auto_device_name && !target_device_name.empty()) {
-            LOG_CRITICAL(Audio_Sink, "SDL_InitSubSystem audio failed: {}", SDL_GetError());
+            output_device = target_device_name;
-            return;
+        } else {
+            output_device.clear();
         }
+        device_channels = 2;
     }
-
-    if (target_device_name != auto_device_name && !target_device_name.empty()) {
-        output_device = target_device_name;
-    } else {
-        output_device.clear();
-    }
-
-    device_channels = 2;
 }
 
 SDLSink::~SDLSink() = default;
@@ -265,15 +276,10 @@ void SDLSink::SetSystemVolume(f32 volume) {
 }
 
 std::vector<std::string> ListSDLSinkDevices(bool capture) {
+    if (!InitializeAudio())
+        return {}; //no devices
+
     std::vector<std::string> device_list;
-
-    if (!SDL_WasInit(SDL_INIT_AUDIO)) {
-        if (!SDL_InitSubSystem(SDL_INIT_AUDIO)) {
-            LOG_CRITICAL(Audio_Sink, "SDL_InitSubSystem audio failed: {}", SDL_GetError());
-            return {};
-        }
-    }
-
     int device_count = 0;
     SDL_AudioDeviceID* devices =
         capture ? SDL_GetAudioRecordingDevices(&device_count)
@@ -304,13 +310,8 @@ bool IsSDLSuitable() {
     return false;
 #else
     // Check SDL can init
-    if (!SDL_WasInit(SDL_INIT_AUDIO)) {
+    if (!InitializeAudio()!
-        if (SDL_InitSubSystem(SDL_INIT_AUDIO) < 0) {
+        return false;
-            LOG_ERROR(Audio_Sink, "SDL failed to init, it is not suitable. Error: {}",
-                      SDL_GetError());
-            return false;
-        }
-    }
 
     // We can set any latency frequency we want with SDL, so no need to check that.
 

src/common/logging.cpp

@@ -224,7 +224,7 @@ struct ColorConsoleBackend final : public Backend {
             auto const df = GetDirectFormatArgs(entry);
             // more restrictive, because take for example this simple prelude:
             // [  50.872256] Config <Info> common/settings.cpp:142:LogSettings:
-            char buffer[128];
+            char buffer[256];
             auto result = fmt::format_to_n(buffer, sizeof(buffer) - 1, "\x1b{}[{:4d}.{:06d}] {} <{}> {}:{}:{}: ", color_str, df.time_seconds, df.time_fractional, df.class_name, df.level_name, entry.filename, entry.line_num, entry.function, entry.message);
             std::fwrite(buffer, 1, (std::min)(sizeof(buffer) - 1, result.size), stdout);
             std::fwrite(entry.message, 1, entry.message_len, stdout);
@@ -425,14 +425,14 @@ void SetColorConsoleBackendEnabled(bool enabled) {
 
 void FmtLogMessageImpl(Class log_class, Level log_level, const char* filename, unsigned int line_num, const char* function, fmt::string_view format, const fmt::format_args& args) {
     if (logging_instance && logging_instance->filter.CheckMessage(log_class, log_level)) {
+        auto const flush = ::Settings::values.log_flush_line.GetValue();
         char buffer[BUFSIZ];
         auto result = fmt::vformat_to_n(buffer, sizeof(buffer) - 1, format, args);
-        buffer[result.size] = '\0';
+        buffer[(std::min)(result.size, sizeof(buffer) - 1)] = '\0';
-        auto const flush = ::Settings::values.log_flush_line.GetValue();
         logging_instance->ForEachBackend([=](Backend& backend) {
             backend.Write(Entry{
                 .message = buffer,
-                .message_len = (std::min)(sizeof(buffer) - 1, result.size),
+                .message_len = (std::min)(result.size, sizeof(buffer) - 1),
                 .timestamp = std::chrono::duration_cast<std::chrono::microseconds>(std::chrono::steady_clock::now() - logging_instance->time_origin),
                 .log_class = log_class,
                 .log_level = log_level,

src/common/net/net.h

@@ -11,14 +11,14 @@
 
 namespace Common::Net {
 
-typedef struct {
+struct Asset {
     std::string name;
     std::string url;
     std::string path;
     std::string filename;
-} Asset;
+};
 
-typedef struct Release {
+struct Release {
     std::string title;
     std::string body;
     std::string tag;
@@ -39,7 +39,7 @@ typedef struct Release {
     static std::optional<Release> FromJson(const std::string_view& json, const std::string &host, const std::string& repo);
     static std::vector<Release> ListFromJson(const nlohmann::json &json, const std::string &host, const std::string &repo);
     static std::vector<Release> ListFromJson(const std::string_view &json, const std::string &host, const std::string &repo);
-} Release;
+};
 
 // Make a request via httplib, and return the response body if applicable.
 std::optional<std::string> MakeRequest(const std::string &url, const std::string &path);

src/common/settings.cpp

@@ -132,11 +132,9 @@ void LogSettings() {
             }
         }
     }
-
+    LOG_INFO(Config, "Eden Configuration:");
-    std::string settings_str{};
     for (auto const& e : settings_list)
-        settings_str += e;
+        LOG_INFO(Config, "{}", e);
-    LOG_INFO(Config, "Eden Configuration:\n{}", settings_str);
 #define LOG_PATH(NAME) \
     LOG_INFO(Config, #NAME ": {}", Common::FS::PathToUTF8String(Common::FS::GetEdenPath(Common::FS::EdenPath::NAME)))
     LOG_PATH(CacheDir);

src/common/settings.h

@@ -904,7 +904,7 @@ struct Values {
                                            0,
                                            65535,
                                            "debug_knobs",
-                                           Category::System,
+                                           Category::Debugging,
                                            Specialization::Countable,
                                            true,
                                            true};

src/common/stb.cpp

@@ -7,6 +7,4 @@
 #define STB_IMAGE_IMPLEMENTATION 1
 #define STB_IMAGE_RESIZE_IMPLEMENTATION 1
 #define STB_IMAGE_WRITE_IMPLEMENTATION 1
-#define STBI_ONLY_JPEG 1
-
 #include "common/stb.h"

src/common/stb.h

@@ -7,6 +7,7 @@
 #pragma once
 
 #define STBI_ONLY_JPEG 1
+#define STBI_WRITE_NO_STDIO 1
 #include <stb_image.h>
 #include <stb_image_resize.h>
 #include <stb_image_write.h>

src/core/arm/arm_interface.cpp

@@ -3,158 +3,14 @@
 // SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-#include <algorithm>
-#include <array>
-#include <cctype>
-#include <string>
-#include <string_view>
-#include <vector>
-
 #include "common/logging.h"
 #include "core/arm/arm_interface.h"
 #include "core/arm/debug.h"
 #include "core/core.h"
-#include "core/hle/kernel/k_memory_block.h"
 #include "core/hle/kernel/k_process.h"
-#include "core/hle/kernel/svc_types.h"
 
 namespace Core {
 
-namespace {
-
-constexpr std::size_t GuestStringProbeBytes = 0x100;
-constexpr std::size_t StackProbeWords = 96;
-constexpr std::size_t MaxGuestStringLogs = 16;
-constexpr std::size_t MaxBacktraceFrames = 64;
-constexpr std::size_t MinGuestStringLength = 4;
-
-std::string SanitizeGuestString(std::string_view text) {
-    std::string sanitized;
-    sanitized.reserve(text.size());
-
-    for (const char ch : text) {
-        switch (ch) {
-        case '\\':
-            sanitized += "\\\\";
-            break;
-        case '"':
-            sanitized += "\\\"";
-            break;
-        default:
-            sanitized += ch;
-            break;
-        }
-    }
-
-    return sanitized;
-}
-
-bool IsUsefulGuestString(std::string_view text) {
-    if (text.size() < MinGuestStringLength) {
-        return false;
-    }
-
-    std::size_t alpha_numeric_count{};
-    for (const char ch : text) {
-        const auto byte = static_cast<unsigned char>(ch);
-        if (std::isprint(byte) == 0) {
-            return false;
-        }
-
-        if (std::isalnum(byte) != 0) {
-            alpha_numeric_count++;
-        }
-    }
-
-    return alpha_numeric_count > 0;
-}
-
-bool QueryGuestMemoryInfo(Kernel::KProcess* process, u64 address,
-                          Kernel::Svc::MemoryInfo* out_info) {
-    if (address == 0) {
-        return false;
-    }
-
-    Kernel::KMemoryInfo mem_info{};
-    Kernel::Svc::PageInfo page_info{};
-    if (process->GetPageTable().QueryInfo(&mem_info, &page_info, address).IsFailure()) {
-        return false;
-    }
-
-    *out_info = mem_info.GetSvcMemoryInfo();
-    return true;
-}
-
-void LogGuestStringCandidate(Kernel::KProcess* process, u64 address, std::string_view label,
-                             std::vector<u64>& logged_strings) {
-    if (logged_strings.size() >= MaxGuestStringLogs) {
-        return;
-    }
-    if (std::find(logged_strings.begin(), logged_strings.end(), address) != logged_strings.end()) {
-        return;
-    }
-
-    Kernel::Svc::MemoryInfo mem_info{};
-    if (!QueryGuestMemoryInfo(process, address, &mem_info)) {
-        return;
-    }
-    if (mem_info.state == Kernel::Svc::MemoryState::Free ||
-        mem_info.permission == Kernel::Svc::MemoryPermission::None) {
-        return;
-    }
-
-    if (address < mem_info.base_address) {
-        return;
-    }
-
-    const u64 region_offset = address - mem_info.base_address;
-    if (region_offset >= mem_info.size) {
-        return;
-    }
-
-    const u64 available_bytes = mem_info.size - region_offset;
-    const auto probe_size =
-        static_cast<std::size_t>(std::min<u64>(GuestStringProbeBytes, available_bytes));
-    if (probe_size < MinGuestStringLength ||
-        !process->GetMemory().IsValidVirtualAddressRange(address, probe_size)) {
-        return;
-    }
-
-    const auto text = process->GetMemory().ReadCString(address, probe_size);
-    if (!IsUsefulGuestString(text)) {
-        return;
-    }
-
-    logged_strings.push_back(address);
-    LOG_ERROR(Core_ARM, "Guest backtrace string {:02}: {}={:016X} \"{}\"",
-              logged_strings.size() - 1, label, address, SanitizeGuestString(text));
-}
-
-void LogStackStringCandidates(Kernel::KProcess* process, u64 base, std::string_view label,
-                              std::vector<u64>& logged_strings) {
-    if (base == 0) {
-        return;
-    }
-
-    auto& memory = process->GetMemory();
-    for (std::size_t i = 0; i < StackProbeWords; i++) {
-        const u64 address = base + i * sizeof(u64);
-        if (!memory.IsValidVirtualAddressRange(address, sizeof(u64))) {
-            break;
-        }
-
-        u64 value{};
-        if (!memory.ReadBlock(address, &value, sizeof(value))) {
-            continue;
-        }
-
-        LogGuestStringCandidate(process, value, fmt::format("{}+{:03X}", label, i * sizeof(u64)),
-                                logged_strings);
-    }
-}
-
-} // namespace
-
 void ArmInterface::LogBacktrace(Kernel::KProcess* process) const {
     Kernel::Svc::ThreadContext ctx;
     this->GetContext(ctx);
@@ -170,45 +26,21 @@ void ArmInterface::LogBacktrace(Kernel::KProcess* process) const {
         ctx.r[28], ctx.fp, ctx.lr, ctx.sp,
     };
 
-    LOG_ERROR(Core_ARM,
+    std::string msg = fmt::format("Backtrace @ PC={:016X}\n", ctx.pc);
-              "Guest backtrace context: process=\"{}\" pid={} program_id={:016X} pc={:016X} "
+    for (size_t i = 0; i < 32; i += 4)
-              "lr={:016X} fp={:016X} sp={:016X} pstate={:08X}",
+        msg += fmt::format("R{:02}={:016X} R{:02}={:016X} R{:02}={:016X} R{:02}={:016X}\n",
-              process->GetName(), process->GetProcessId(), process->GetProgramId(), ctx.pc,
+            i + 0, xreg[i + 0], i + 1, xreg[i + 1],
-              ctx.lr, ctx.fp, ctx.sp, ctx.pstate);
+            i + 2, xreg[i + 2], i + 3, xreg[i + 3]);
-
+    for (size_t i = 0; i < 32; i += 2)
-    std::vector<u64> logged_strings;
+        msg += fmt::format("V{:02}={:016X}_{:016X} V{:02}={:016X}_{:016X}\n",
-    for (size_t i = 0; i < xreg.size(); i++) {
+            i + 0, ctx.v[i + 0][0], ctx.v[i + 0][1],
-        LogGuestStringCandidate(process, xreg[i], fmt::format("R{:02}", i), logged_strings);
+            i + 1, ctx.v[i + 1][0], ctx.v[i + 1][1]);
-    }
+    msg += fmt::format("PSTATE={:08X} FPCR={:08X} FPSR={:08X} TPIDR={:016X}\n", ctx.pstate, ctx.fpcr, ctx.fpsr, ctx.tpidr);
-    LogStackStringCandidates(process, ctx.sp, "SP", logged_strings);
+    msg += fmt::format("{:20}{:20}{:20}{:20}{}\n", "Module", "Address", "Original Address", "Offset", "Symbol");
-    if (ctx.fp != ctx.sp) {
-        LogStackStringCandidates(process, ctx.fp, "FP", logged_strings);
-    }
-    if (logged_strings.empty()) {
-        LOG_ERROR(Core_ARM, "Guest backtrace strings: none found in registers or stack");
-    }
-
     auto const backtrace = GetBacktraceFromContext(process, ctx);
-    for (size_t i = 0; i < std::min(backtrace.size(), MaxBacktraceFrames); i++) {
+    for (auto const& entry : backtrace)
-        const auto& entry = backtrace[i];
+        msg += fmt::format("{:20}{:016X}    {:016X}    {:016X}    {}\n", entry.module, entry.address, entry.original_address, entry.offset, entry.name);
-        if (entry.original_address == 0) {
+    LOG_ERROR(Core_ARM, "{}", msg);
-            break;
-        }
-
-        if (entry.name.empty()) {
-            LOG_ERROR(Core_ARM, "Guest backtrace frame {:03}: {}+0x{:X} pc={:016X} mapped={:016X}",
-                      i, entry.module, entry.offset, entry.original_address, entry.address);
-        } else {
-            LOG_ERROR(Core_ARM,
-                      "Guest backtrace frame {:03}: {}+0x{:X} pc={:016X} mapped={:016X} symbol={}",
-                      i, entry.module, entry.offset, entry.original_address, entry.address,
-                      entry.name);
-        }
-    }
-    if (backtrace.size() > MaxBacktraceFrames) {
-        LOG_ERROR(Core_ARM, "Guest backtrace truncated: logged={} total={}", MaxBacktraceFrames,
-                  backtrace.size());
-    }
 }
 
 const Kernel::DebugWatchpoint* ArmInterface::MatchingWatchpoint(

src/core/core.cpp

@@ -4,6 +4,7 @@
 #include <array>
 #include <atomic>
 #include <memory>
+#include <unordered_map>
 #include <utility>
 
 #include "game_settings.h"
@@ -248,12 +249,30 @@ struct System::Impl {
         }
     }
 
-    void SetNVDECActive(bool is_nvdec_active) {
+    void NotifyNVDECChannelOpen(u64 process_id) {
-        nvdec_active = is_nvdec_active;
+        std::scoped_lock lock{nvdec_active_mutex};
+        ++nvdec_active_channels[process_id];
+    }
+
+    void NotifyNVDECChannelClose(u64 process_id) {
+        std::scoped_lock lock{nvdec_active_mutex};
+        const auto it = nvdec_active_channels.find(process_id);
+        if (it == nvdec_active_channels.end()) {
+            return;
+        }
+        if (--it->second == 0) {
+            nvdec_active_channels.erase(it);
+        }
     }
 
     bool GetNVDECActive() {
-        return nvdec_active;
+        std::scoped_lock lock{nvdec_active_mutex};
+        return !nvdec_active_channels.empty();
+    }
+
+    bool IsNVDECActiveForProcess(u64 process_id) {
+        std::scoped_lock lock{nvdec_active_mutex};
+        return nvdec_active_channels.contains(process_id);
     }
 
     void InitializeDebugger(System& system, u16 port) {
@@ -295,6 +314,10 @@ struct System::Impl {
     SystemResultStatus Load(System& system, Frontend::EmuWindow& emu_window, const std::string& filepath, Service::AM::FrontendAppletParameters& params) {
         InitializeKernel(system);
 
+        if (params.applet_type == Service::AM::AppletType::Application) {
+            current_application_filepath = filepath;
+        }
+
         const auto file = GetGameFileFromPath(virtual_filesystem, filepath);
 
         // Create the application process
@@ -330,7 +353,7 @@ struct System::Impl {
         LaunchTimestampCache::SaveLaunchTimestamp(params.program_id);
 
         // Make the process created be the application
-        kernel.MakeApplicationProcess(process->GetHandle());
+        kernel.SetApplicationProcess(process->GetHandle());
 
         // Set up the rest of the system.
         SystemResultStatus init_result{SetupForApplicationProcess(system, emu_window)};
@@ -467,6 +490,7 @@ 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;
@@ -488,6 +512,8 @@ struct System::Impl {
     std::array<u64, Core::Hardware::NUM_CPU_CORES> dynarmic_ticks{};
     std::array<u8, 0x20> build_id{};
 
+    std::string current_application_filepath;
+
     /// Service manager
     std::shared_ptr<Service::SM::ServiceManager> service_manager;
     /// ContentProviderUnion instance
@@ -498,6 +524,8 @@ struct System::Impl {
 
     mutable std::mutex suspend_guard;
     std::mutex general_channel_mutex;
+    std::mutex nvdec_active_mutex;
+    std::unordered_map<u64, u32> nvdec_active_channels;
     std::atomic_bool is_paused{};
     std::atomic_bool is_shutting_down{};
     std::atomic_bool is_powered_on{};
@@ -505,7 +533,6 @@ struct System::Impl {
     bool extended_memory_layout : 1 = false;
     bool exit_locked : 1 = false;
     bool exit_requested : 1 = false;
-    bool nvdec_active : 1 = false;
 
     void EnsureGeneralChannelInitialized(System& system) {
         if (!general_channel_event) {
@@ -569,14 +596,22 @@ void System::UnstallApplication() {
     impl->UnstallApplication();
 }
 
-void System::SetNVDECActive(bool is_nvdec_active) {
+void System::NotifyNVDECChannelOpen(u64 process_id) {
-    impl->SetNVDECActive(is_nvdec_active);
+    impl->NotifyNVDECChannelOpen(process_id);
+}
+
+void System::NotifyNVDECChannelClose(u64 process_id) {
+    impl->NotifyNVDECChannelClose(process_id);
 }
 
 bool System::GetNVDECActive() {
     return impl->GetNVDECActive();
 }
 
+bool System::IsNVDECActiveForProcess(u64 process_id) {
+    return impl->IsNVDECActiveForProcess(process_id);
+}
+
 void System::InitializeDebugger() {
     impl->InitializeDebugger(*this, Settings::values.gdbstub_port.GetValue());
 }
@@ -727,7 +762,25 @@ const Core::SpeedLimiter& System::SpeedLimiter() const {
 }
 
 u64 System::GetApplicationProcessProgramID() const {
-    return impl->kernel.ApplicationProcess()->GetProgramId();
+    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;
 }
 
 Loader::ResultStatus System::GetGameName(std::string& out) const {
@@ -910,6 +963,10 @@ void System::ExecuteProgram(std::size_t program_index) {
     }
 }
 
+const std::string& System::GetCurrentApplicationFilePath() const {
+    return impl->current_application_filepath;
+}
+
 /// @brief Gets a reference to the user channel stack.
 /// It is used to transfer data between programs.
 std::vector<std::vector<u8>>& System::GetUserChannel() {
@@ -961,6 +1018,18 @@ 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

@@ -191,8 +191,10 @@ public:
     std::unique_lock<std::mutex> StallApplication();
     void UnstallApplication();
 
-    void SetNVDECActive(bool is_nvdec_active);
+    void NotifyNVDECChannelOpen(u64 process_id);
+    void NotifyNVDECChannelClose(u64 process_id);
     [[nodiscard]] bool GetNVDECActive();
+    [[nodiscard]] bool IsNVDECActiveForProcess(u64 process_id);
 
     /**
      * Initialize the debugger.
@@ -322,6 +324,10 @@ 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;
 
@@ -422,6 +428,7 @@ public:
     void PushGeneralChannelData(std::vector<u8>&& data);
     bool TryPopGeneralChannel(std::vector<u8>& out_data);
     [[nodiscard]] Service::Event& GetGeneralChannelEvent();
+    [[nodiscard]] const std::string& GetCurrentApplicationFilePath() const;
 
     /// Type used for the frontend to designate a callback for System to exit the application.
     using ExitCallback = std::function<void()>;
@@ -435,6 +442,10 @@ 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/file_sys/content_archive.cpp

@@ -29,7 +29,7 @@ static u8 MasterKeyIdForKeyGeneration(u8 key_generation) {
     return std::max<u8>(key_generation, 1) - 1;
 }
 
-NCA::NCA(VirtualFile file_, const NCA* base_nca)
+NCA::NCA(VirtualFile file_, const NCA* base_nca, bool allow_missing_base)
     : file(std::move(file_)), keys{Core::Crypto::KeyManager::Instance()} {
     if (file == nullptr) {
         status = Loader::ResultStatus::ErrorNullFile;
@@ -110,7 +110,7 @@ NCA::NCA(VirtualFile file_, const NCA* base_nca)
         }
     }
 
-    if (is_update && base_nca == nullptr) {
+    if (is_update && base_nca == nullptr && !allow_missing_base) {
         status = Loader::ResultStatus::ErrorMissingBKTRBaseRomFS;
     } else {
         status = Loader::ResultStatus::Success;

src/core/file_sys/content_archive.h

@@ -1,3 +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
 
@@ -63,7 +66,7 @@ inline bool IsDirectoryLogoPartition(const VirtualDir& pfs) {
 // After construction, use GetStatus to determine if the file is valid and ready to be used.
 class NCA : public ReadOnlyVfsDirectory {
 public:
-    explicit NCA(VirtualFile file, const NCA* base_nca = nullptr);
+    explicit NCA(VirtualFile file, const NCA* base_nca = nullptr, bool allow_missing_base = false);
     ~NCA() override;
 
     Loader::ResultStatus GetStatus() const;

src/core/file_sys/fssystem/fssystem_indirect_storage.cpp

@@ -4,6 +4,7 @@
 // SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
+#include "common/logging.h"
 #include "core/file_sys/errors.h"
 #include "core/file_sys/fssystem/fssystem_indirect_storage.h"
 
@@ -99,6 +100,18 @@ Result IndirectStorage::GetEntryList(Entry* out_entries, s32* out_entry_count, s
     R_SUCCEED();
 }
 
+void IndirectStorage::ReportMissingOriginal(s64 offset, s64 size) {
+    if (m_reported_missing_original) {
+        return;
+    }
+    m_reported_missing_original = true;
+
+    LOG_ERROR(Common_Filesystem,
+              "Patch storage requests {:#x} bytes at {:#x} from a base storage that is not "
+              "present; this data will read as garbage",
+              size, offset);
+}
+
 size_t IndirectStorage::Read(u8* buffer, size_t size, size_t offset) const {
     // Validate pre-conditions.
     ASSERT(this->IsInitialized());

src/core/file_sys/fssystem/fssystem_indirect_storage.h

@@ -85,6 +85,9 @@ public:
     void SetStorage(s32 idx, VirtualFile storage) {
         ASSERT(0 <= idx && idx < StorageCount);
         m_data_storage[idx] = storage;
+        if (idx == 0) {
+            m_original_missing = storage == nullptr || storage->GetSize() == 0;
+        }
     }
 
     template <typename T>
@@ -130,6 +133,9 @@ protected:
 
     template <bool ContinuousCheck, bool RangeCheck, typename F>
     Result OperatePerEntry(s64 offset, s64 size, F func);
+    // Launching another game makes the original storage inaccessable.
+    // This is a helper for multi-nca games.
+    void ReportMissingOriginal(s64 offset, s64 size);
 
 private:
     struct ContinuousReadingEntry {
@@ -154,6 +160,8 @@ private:
 private:
     mutable BucketTree m_table;
     std::array<VirtualFile, StorageCount> m_data_storage;
+    bool m_original_missing{false};
+    bool m_reported_missing_original{false};
 };
 
 template <bool ContinuousCheck, bool RangeCheck, typename F>
@@ -272,6 +280,10 @@ Result IndirectStorage::OperatePerEntry(s64 offset, s64 size, F func) {
         if (needs_operate) {
             const auto cur_entry_phys_offset = cur_entry.GetPhysicalOffset();
 
+            if (cur_entry.storage_index == 0 && m_original_missing) {
+                this->ReportMissingOriginal(cur_offset, cur_size);
+            }
+
             if constexpr (RangeCheck) {
                 // Get the current data storage's size.
                 s64 cur_data_storage_size = m_data_storage[cur_entry.storage_index]->GetSize();

src/core/file_sys/nca_metadata.h

@@ -48,11 +48,11 @@ struct ContentRecord {
     std::array<u8, 0x10> nca_id;
     std::array<u8, 0x6> size;
     ContentRecordType type;
-    INSERT_PADDING_BYTES(1);
+    u8 id_offset;
 };
 static_assert(sizeof(ContentRecord) == 0x38, "ContentRecord has incorrect size.");
 
-constexpr ContentRecord EMPTY_META_CONTENT_RECORD{{}, {}, {}, ContentRecordType::Meta, {}};
+constexpr ContentRecord EMPTY_META_CONTENT_RECORD{{}, {}, {}, ContentRecordType::Meta, 0};
 
 struct MetaRecord {
     u64_le title_id;

src/core/file_sys/registered_cache.cpp

@@ -567,20 +567,45 @@ VirtualFile RegisteredCache::GetFileAtID(NcaID id) const {
 }
 
 static std::optional<NcaID> CheckMapForContentRecord(const ankerl::unordered_dense::map<u64, CNMT>& map, u64 title_id, ContentRecordType type) {
-    const auto cmnt_iter = map.find(title_id);
+    auto cmnt_iter = map.find(title_id);
+    u8 id_offset = 0;
+
     if (cmnt_iter == map.cend()) {
-        return std::nullopt;
+        const auto program_index = title_id & AOC_TITLE_ID_MASK;
+        if (program_index == 0) {
+            return std::nullopt;
+        }
+
+        cmnt_iter = map.find(title_id & ~AOC_TITLE_ID_MASK);
+        if (cmnt_iter == map.cend()) {
+            return std::nullopt;
+        }
+
+        id_offset = static_cast<u8>(program_index);
     }
 
     const auto& cnmt = cmnt_iter->second;
     const auto& content_records = cnmt.GetContentRecords();
     const auto iter = std::find_if(content_records.cbegin(), content_records.cend(),
-                                   [type](const ContentRecord& rec) { return rec.type == type; });
+                                   [type, id_offset](const ContentRecord& rec) {
-    if (iter == content_records.cend()) {
+                                       return rec.type == type && rec.id_offset == id_offset;
+                                   });
+    if (iter != content_records.cend()) {
+        return std::make_optional(iter->nca_id);
+    }
+
+    if (id_offset != 0) {
         return std::nullopt;
     }
 
-    return std::make_optional(iter->nca_id);
+    const auto fallback_iter =
+        std::find_if(content_records.cbegin(), content_records.cend(),
+                     [type](const ContentRecord& rec) { return rec.type == type; });
+    if (fallback_iter == content_records.cend()) {
+        return std::nullopt;
+    }
+
+    return std::make_optional(fallback_iter->nca_id);
 }
 
 std::optional<NcaID> RegisteredCache::GetNcaIDFromMetadata(u64 title_id,

src/core/file_sys/submission_package.cpp

@@ -12,6 +12,7 @@
 #include "common/hex_util.h"
 #include "common/logging.h"
 #include "core/crypto/key_manager.h"
+#include "core/file_sys/common_funcs.h"
 #include "core/file_sys/content_archive.h"
 #include "core/file_sys/nca_metadata.h"
 #include "core/file_sys/partition_filesystem.h"
@@ -65,10 +66,12 @@ u64 NSP::GetProgramTitleID() const {
     }
 
     auto program_id = expected_program_id;
-    if (program_id == 0) {
+    if (program_id == 0 && !program_status.empty()) {
-        if (!program_status.empty()) {
+        program_id = std::min_element(program_status.cbegin(), program_status.cend(),
-            program_id = program_status.begin()->first;
+                                      [](const auto& lhs, const auto& rhs) {
-        }
+                                          return lhs.first < rhs.first;
+                                      })
+                         ->first;
     }
 
     program_id = program_id + program_index;
@@ -273,8 +276,7 @@ void NSP::ReadNCAs(const std::vector<VirtualFile>& files) {
                     // If the last 3 hexadecimal digits of the NCA's TitleID is between 0x1 and
                     // 0x7FF, this is a multi-program update NCA. Otherwise, this is a regular
                     // update NCA.
-                    if ((next_nca->GetTitleId() & 0x7FF) != 0 &&
+                    if ((next_nca->GetTitleId() & AOC_TITLE_ID_MASK) != 0) {
-                        (next_nca->GetTitleId() & 0x800) == 0) {
                         ncas[next_nca->GetTitleId()][{cnmt.GetType(), rec.type}] =
                             std::move(next_nca);
                     } else {

src/core/hle/kernel/k_server_session.cpp

@@ -1216,7 +1216,7 @@ Result KServerSession::ReceiveRequest(KernelCore& kernel, uintptr_t server_messa
 }
 
 Result KServerSession::SendReply(KernelCore& kernel, uintptr_t server_message, uintptr_t server_buffer_size,
-                                 KPhysicalAddress server_message_paddr, bool is_hle) {
+                                 KPhysicalAddress server_message_paddr, bool is_hle, bool session_closed) {
     // Lock the session.
     KScopedLightLock lk{m_lock};
 
@@ -1248,7 +1248,7 @@ Result KServerSession::SendReply(KernelCore& kernel, uintptr_t server_message, u
     KEvent* event = request->GetEvent();
 
     // Check whether we're closed.
-    const bool closed = (client_thread == nullptr || m_parent->IsClientClosed());
+    const bool closed = (client_thread == nullptr || m_parent->IsClientClosed() || session_closed);
 
     Result result = ResultSuccess;
     if (!closed) {

src/core/hle/kernel/k_server_session.h

@@ -54,14 +54,14 @@ public:
 
     Result OnRequest(KernelCore& kernel, KSessionRequest* request);
     Result SendReply(KernelCore& kernel, uintptr_t server_message, uintptr_t server_buffer_size,
-                     KPhysicalAddress server_message_paddr, bool is_hle = false);
+                     KPhysicalAddress server_message_paddr, bool is_hle = false, bool session_closed = false);
     Result ReceiveRequest(KernelCore& kernel, uintptr_t server_message, uintptr_t server_buffer_size,
                           KPhysicalAddress server_message_paddr,
                           std::shared_ptr<Service::HLERequestContext>* out_context = nullptr,
                           std::weak_ptr<Service::SessionRequestManager> manager = {});
 
-    Result SendReplyHLE(KernelCore& kernel) {
+    Result SendReplyHLE(KernelCore& kernel, bool session_closed = false) {
-        R_RETURN(this->SendReply(kernel, 0, 0, 0, true));
+        R_RETURN(this->SendReply(kernel, 0, 0, 0, true, session_closed));
     }
 
     Result ReceiveRequestHLE(KernelCore& kernel, std::shared_ptr<Service::HLERequestContext>* out_context,

src/core/hle/kernel/kernel.cpp

@@ -349,9 +349,18 @@ struct KernelCore::Impl {
         object_name_global_data.emplace(kernel);
     }
 
-    void MakeApplicationProcess(KernelCore& kernel, KProcess* process) {
+    void SetApplicationProcess(KernelCore& kernel, KProcess* process) {
+        if (application_process == process)
+            return;
+
+        KProcess* const previous = application_process;
         application_process = process;
-        application_process->Open(kernel);
+
+        if (application_process != nullptr)
+            application_process->Open(kernel);
+
+        if (previous != nullptr)
+            previous->Close(kernel);
     }
 
     /// Sets the host thread ID for the caller.
@@ -879,8 +888,8 @@ void KernelCore::RemoveProcess(KProcess* process) {
     }
 }
 
-void KernelCore::MakeApplicationProcess(KProcess* process) {
+void KernelCore::SetApplicationProcess(KProcess* process) {
-    impl->MakeApplicationProcess(*this, process);
+    impl->SetApplicationProcess(*this, process);
 }
 
 KProcess* KernelCore::ApplicationProcess() {
@@ -891,6 +900,14 @@ 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 new application process.
+    /// Makes the given process the current application process.
-    void MakeApplicationProcess(KProcess* process);
+    void SetApplicationProcess(KProcess* process);
 
     /// Retrieves a pointer to the application process.
     KProcess* ApplicationProcess();
@@ -133,6 +133,9 @@ 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

@@ -1,3 +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
 
@@ -10,6 +13,7 @@ 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 2025 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
@@ -201,6 +201,14 @@ 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 interactible) {
+void Applet::SetInteractibleLocked(bool pad_interactible, bool touch_interactible) {
-    if (is_interactible == interactible) {
+    if (is_pad_interactible == pad_interactible && is_touch_interactible == touch_interactible) {
         return;
     }
 
-    is_interactible = interactible;
+    is_pad_interactible = pad_interactible;
+    is_touch_interactible = touch_interactible;
 
     const bool exit_requested = lifecycle_manager.GetExitRequested();
-    const bool input_enabled = interactible && !exit_requested;
+    const bool pad_enabled = pad_interactible && !exit_requested;
+    const bool touch_enabled = touch_interactible && !exit_requested;
 
-    if (applet_id == AppletId::OverlayDisplay || applet_id == AppletId::Application) {
+    LOG_DEBUG(Service_AM, "applet={} pad={} touch={} exit_requested={}",
-        LOG_DEBUG(Service_AM, "called, applet={} interactible={} exit_requested={} input_enabled={} overlay_in_foreground={}",
+              static_cast<u32>(applet_id), pad_enabled, touch_enabled, exit_requested);
-                 static_cast<u32>(applet_id), interactible, exit_requested, input_enabled, overlay_in_foreground);
-    }
 
-    hid_registration.EnableAppletToGetInput(input_enabled);
+    hid_registration.EnableAppletToGetInput(pad_enabled, touch_enabled);
 }
 
 void Applet::OnProcessTerminatedLocked() {

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

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

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

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
@@ -6,6 +6,7 @@
 
 #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"
@@ -33,6 +34,7 @@ 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;
@@ -72,14 +74,16 @@ 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(-1, *out_layer_id);
+            (void)m_manager_display_service->SetLayerZIndex(Overlay, *out_layer_id);
             (void)m_display_service->GetContainer()->SetLayerIsOverlay(*out_layer_id, true);
         } else {
-            (void)m_manager_display_service->SetLayerZIndex(1, *out_layer_id);
+            (void)m_manager_display_service->SetLayerZIndex(Foreground, *out_layer_id);
         }
     }
 
@@ -122,10 +126,12 @@ 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 = 1;
+    s32 initial_z = Foreground;
     if (m_applet_id == AppletId::OverlayDisplay) {
-        initial_z = -1;
+        initial_z = Overlay;
         (void)m_display_service->GetContainer()->SetLayerIsOverlay(m_system_shared_layer_id, true);
     }
     m_manager_display_service->SetLayerZIndex(initial_z, m_system_shared_layer_id);
@@ -142,6 +148,36 @@ 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;
@@ -185,10 +221,17 @@ void DisplayLayerManager::SetOverlayZIndex(s32 z_index) {
 }
 
 Result DisplayLayerManager::WriteAppletCaptureBuffer(bool* out_was_written,
-                                                     s32* out_fbshare_layer_index) {
+                                                     s32* out_fbshare_layer_index,
+                                                     VI::CaptureKind kind) {
     R_UNLESS(m_buffer_sharing_enabled, VI::ResultPermissionDenied);
     R_RETURN(m_display_service->GetContainer()->GetSharedBufferManager()->WriteAppletCaptureBuffer(
-        out_was_written, out_fbshare_layer_index));
+        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));
 }
 
 } // namespace Service::AM

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

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
@@ -23,6 +23,7 @@ class KProcess;
 namespace Service::VI {
 class IApplicationDisplayService;
 class IManagerDisplayService;
+enum class CaptureKind : u32;
 } // namespace Service::VI
 
 namespace Service::AM {
@@ -48,9 +49,13 @@ public:
 
     void SetOverlayZIndex(s32 z_index);
 
-    Result WriteAppletCaptureBuffer(bool* out_was_written, s32* out_fbshare_layer_index);
+    Result WriteAppletCaptureBuffer(bool* out_was_written, s32* out_fbshare_layer_index,
+                                    VI::CaptureKind kind);
+    Result ClearAppletCaptureBuffer(s32 fbshare_layer_index, u32 color);
 
 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{};
@@ -59,6 +64,7 @@ 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

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

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

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

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

@@ -4,6 +4,8 @@
 // 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"
@@ -78,7 +80,7 @@ Result IAppletCommonFunctions::SetCpuBoostRequestPriority(s32 priority) {
 
 Result IAppletCommonFunctions::GetCurrentApplicationId(Out<u64> out_application_id) {
     LOG_WARNING(Service_AM, "(STUBBED) called");
-    *out_application_id = system.GetApplicationProcessProgramID() & ~0xFFFULL;
+    *out_application_id = FileSys::GetBaseTitleID(system.GetApplicationProcessProgramID());
     R_SUCCEED();
 }
 

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

@@ -6,8 +6,10 @@
 
 #include <openssl/evp.h>
 
+#include "common/hex_util.h"
 #include "common/settings.h"
 #include "common/uuid.h"
+#include "core/file_sys/common_funcs.h"
 #include "core/file_sys/control_metadata.h"
 #include "core/file_sys/patch_manager.h"
 #include "core/file_sys/registered_cache.h"
@@ -28,6 +30,27 @@
 
 namespace Service::AM {
 
+namespace {
+
+FileSys::PatchManager::Metadata GetApplicationMetadata(Core::System& system, u64 program_id) {
+    auto metadata = FileSys::PatchManager::GetMetadataFromBaseOrUpdate(system, program_id);
+    if (metadata.first != nullptr) {
+        return metadata;
+    }
+
+    const auto application_id = FileSys::GetBaseTitleID(program_id);
+    if (application_id == program_id) {
+        return metadata;
+    }
+
+    LOG_DEBUG(Service_AM,
+              "no metadata for program_id={:016X}, falling back to application_id={:016X}",
+              program_id, application_id);
+    return FileSys::PatchManager::GetMetadataFromBaseOrUpdate(system, application_id);
+}
+
+} // Anonymous namespace
+
 IApplicationFunctions::IApplicationFunctions(Core::System& system_, std::shared_ptr<Applet> applet)
     : ServiceFramework{system_, "IApplicationFunctions"}, m_applet{std::move(applet)} {
     // clang-format off
@@ -156,7 +179,7 @@ Result IApplicationFunctions::GetDesiredLanguage(Out<u64> out_language_code) {
     // Default to 0 (all languages supported)
     u32 supported_languages = 0;
 
-    const auto res = FileSys::PatchManager::GetMetadataFromBaseOrUpdate(system, m_applet->program_id);
+    const auto res = GetApplicationMetadata(system, m_applet->program_id);
     if (res.first != nullptr) {
         supported_languages = res.first->GetSupportedLanguages();
     }
@@ -194,7 +217,7 @@ Result IApplicationFunctions::SetTerminateResult(Result terminate_result) {
 Result IApplicationFunctions::GetDisplayVersion(Out<DisplayVersion> out_display_version) {
     LOG_DEBUG(Service_AM, "called");
 
-    const auto res = FileSys::PatchManager::GetMetadataFromBaseOrUpdate(system, m_applet->program_id);
+    const auto res = GetApplicationMetadata(system, m_applet->program_id);
     if (res.first != nullptr) {
         const auto& version = res.first->GetVersionString();
         std::memcpy(out_display_version->string.data(), version.data(),
@@ -324,6 +347,7 @@ Result IApplicationFunctions::NotifyRunning(Out<bool> out_became_running) {
 
 Result IApplicationFunctions::GetPseudoDeviceId(Out<Common::UUID> out_pseudo_device_id) {
     LOG_WARNING(Service_AM, "(stubbed)");
+    R_UNLESS(out_pseudo_device_id, ResultUnknown);
 
     // This should be hashed with the device specific hash
     // for now this will do
@@ -430,15 +454,21 @@ Result IApplicationFunctions::ExecuteProgram(ProgramSpecifyKind kind, u64 value)
 
 // https://switchbrew.org/wiki/Applet_Manager_services#CreateApplicationAndRequestToStart
 Result IApplicationFunctions::CreateApplicationAndRequestToStart(u64 application_id) {
-    LOG_INFO(Service_AM, "called, application_id={:016X}", application_id);
+    LOG_INFO(Service_AM, "called, application_id={:016X} current_program_id={:016X}", application_id, m_applet->program_id);
 
-    // If application_id is 0, relaunch the current application
+    if (application_id == 0 ||
-    const u64 target_application_id =
+        FileSys::GetBaseTitleID(application_id) == FileSys::GetBaseTitleID(m_applet->program_id)) {
-        (application_id == 0) ? m_applet->program_id : application_id;
+        const auto program_index = application_id == 0
+                                       ? 0
+                                       : application_id - FileSys::GetBaseTitleID(application_id);
 
-    system.GetUserChannel() = m_applet->user_channel_launch_parameter;
+        system.GetUserChannel() = m_applet->user_channel_launch_parameter;
-    system.ExecuteProgram(target_application_id);
+        system.ExecuteProgram(program_index);
-    R_SUCCEED();
+        R_SUCCEED();
+    }
+
+    LOG_ERROR(Service_AM, "Launching a different application ({:016X}) is not implemented!", application_id);
+    R_THROW(ResultUnknown);
 }
 
 Result IApplicationFunctions::ClearUserChannel() {

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

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

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

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2026 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, nullptr, "SetHandlingTouchScreenInputEnabled"},
+        {21, D<&IOverlayFunctions::SetHandlingTouchScreenInputEnabled>, "SetHandlingTouchScreenInputEnabled"},
         {30, nullptr, "SetHealthWarningShowingState"},
         {31, D<&IOverlayFunctions::IsHealthWarningRequired>, "IsHealthWarningRequired"},
         {40, nullptr, "GetApplicationNintendoLogo"},
@@ -43,10 +43,12 @@ namespace Service::AM {
     Result IOverlayFunctions::BeginToWatchShortHomeButtonMessage() {
         LOG_DEBUG(Service_AM, "called");
 
-        m_applet->overlay_in_foreground = true;
+        {
-        m_applet->home_button_short_pressed_blocked = false;
+            std::scoped_lock lk{m_applet->lock};
+            m_applet->overlay_watching_short_home_button = true;
+        }
 
-        if (auto *window_system = system.GetAppletManager().GetWindowSystem()) {
+        if (auto* window_system = system.GetAppletManager().GetWindowSystem()) {
             window_system->RequestUpdate();
         }
 
@@ -56,16 +58,26 @@ namespace Service::AM {
     Result IOverlayFunctions::EndToWatchShortHomeButtonMessage() {
         LOG_DEBUG(Service_AM, "called");
 
-        m_applet->overlay_in_foreground = false;
+        {
-        m_applet->home_button_short_pressed_blocked = false;
+            std::scoped_lock lk{m_applet->lock};
+            m_applet->overlay_watching_short_home_button = 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 2025 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 #pragma once
@@ -20,6 +20,7 @@ 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

@@ -4,7 +4,11 @@
 // 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"
@@ -32,46 +36,82 @@ 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={}",
+        LOG_DEBUG(Service_AM, "called, home_menu={} application={} overlay={}",
-              m_home_menu != nullptr, m_application != nullptr, m_overlay_display != nullptr);
+                  m_home_menu != nullptr, m_application != nullptr, m_overlay_display != nullptr);
 
-    // Loop through all applets and remove terminated applets.
+        // Loop through all applets and remove terminated applets.
-    this->PruneTerminatedAppletsLocked();
+        this->PruneTerminatedAppletsLocked();
 
-    // If the home menu is being locked into the foreground, handle that.
+        // If the home menu is being locked into the foreground, handle that.
-    if (this->LockHomeMenuIntoForegroundLocked()) {
+        if (!this->LockHomeMenuIntoForegroundLocked()) {
-        return;
+            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);
+        }
     }
 
-    bool overlay_blocks_input = false;
+    this->NotifyApplicationChangedIfNeeded();
-    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) {
+        if (applet->applet_id == AppletId::QLaunch) {
-        ASSERT(m_home_menu == nullptr);
+            ASSERT(m_home_menu == nullptr);
-        m_home_menu = applet.get();
+            m_home_menu = applet.get();
-    } else if (applet->applet_id == AppletId::OverlayDisplay) {
+        } else if (applet->applet_id == AppletId::OverlayDisplay) {
-        m_overlay_display = applet.get();
+            m_overlay_display = applet.get();
-    } else if (is_application) {
+        } else if (is_application) {
-        ASSERT(m_application == nullptr);
+            ASSERT(m_application == nullptr);
-        m_application = applet.get();
+            m_application = applet.get();
+        }
+
+        this->UpdateCurrentApplicationLocked();
+
+        m_event_observer->TrackAppletProcess(*applet);
+        m_applets.emplace(applet->aruid.pid, std::move(applet));
     }
 
-    m_event_observer->TrackAppletProcess(*applet);
+    this->NotifyApplicationChangedIfNeeded();
-    m_applets.emplace(applet->aruid.pid, std::move(applet));
+}
+
+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);
 }
 
 std::shared_ptr<Applet> WindowSystem::GetByAppletResourceUserId(u64 aruid) {
@@ -169,18 +209,40 @@ void WindowSystem::OnExitRequested() {
 }
 
 void WindowSystem::SendButtonAppletMessageLocked(AppletMessage message) {
-    if (m_home_menu) {
+    const auto is_blocked = [message](const Applet& applet) {
-        std::scoped_lock lk_home{m_home_menu->lock};
+        if (message == AppletMessage::DetectShortPressingHomeButton &&
-        m_home_menu->lifecycle_manager.PushUnorderedMessage(m_system.Kernel(), message);
+            applet.applet_id == AppletId::OverlayDisplay &&
-    }
+            !applet.overlay_watching_short_home_button) {
-    if (m_overlay_display) {
+            return true;
-        std::scoped_lock lk_overlay{m_overlay_display->lock};
+        }
-        m_overlay_display->lifecycle_manager.PushUnorderedMessage(m_system.Kernel(), message);
+
-    }
+        switch (message) {
-    if (m_application) {
+        case AppletMessage::DetectShortPressingHomeButton:
-        std::scoped_lock lk_application{m_application->lock};
+            return applet.home_button_short_pressed_blocked;
-        m_application->lifecycle_manager.PushUnorderedMessage(m_system.Kernel(), message);
+        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_event_observer) {
         m_event_observer->RequestUpdate();
     }
@@ -192,19 +254,9 @@ 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);
-        // Force a state update after toggling overlay
+        break;
-        if (m_event_observer) {
-            m_event_observer->RequestUpdate();
-        }
-        break; }
     case SystemButtonType::CaptureButtonShortPressing:
         SendButtonAppletMessageLocked(AppletMessage::DetectShortPressingCaptureButton);
         break;
@@ -317,6 +369,8 @@ void WindowSystem::PruneTerminatedAppletsLocked() {
             m_overlay_display = nullptr;
         }
 
+        this->UpdateCurrentApplicationLocked();
+
         // Finalize applet.
         applet->OnProcessTerminatedLocked();
 
@@ -389,7 +443,20 @@ void WindowSystem::TerminateChildAppletsLocked(Applet* applet) {
     applet->lock.lock();
 }
 
-void WindowSystem::UpdateAppletStateLocked(Applet* applet, bool is_foreground, bool overlay_blocking) {
+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) {
     // With no applet, we don't have anything to do.
     if (!applet) {
         return;
@@ -420,24 +487,18 @@ void WindowSystem::UpdateAppletStateLocked(Applet* applet, bool is_foreground, b
         return false;
     }();
 
+    const bool is_overlay = applet->applet_id == AppletId::OverlayDisplay;
+
     // Update visibility state.
-    // Overlay applets should always be visible when window_visible is true, regardless of foreground state
+    const bool should_be_visible =
-    const bool should_be_visible = (applet->applet_id == AppletId::OverlayDisplay)
+        is_overlay ? applet->window_visible : (is_foreground && applet->window_visible);
-                                     ? 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);
 
-    const bool should_be_interactible = (applet->applet_id == AppletId::OverlayDisplay)
+    applet->SetInteractibleLocked(needs_hid_input, needs_hid_input);
-                                          ? 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;
@@ -453,23 +514,18 @@ void WindowSystem::UpdateAppletStateLocked(Applet* applet, bool is_foreground, b
         applet->UpdateSuspensionStateLocked(true);
     }
 
-    // Z-index logic like in reference C# implementation (tuned for overlay extremes)
+    // Layer ordering. Composition sorts back-to-front. Now with enums for calrity.
-    s32 z_index = 0;
+    s32 z_index = Background;
-    const bool now_foreground = inherited_foreground;
+    if (is_overlay) {
-    if (applet->applet_id == AppletId::OverlayDisplay) {
+        z_index = Overlay;
-        z_index = applet->overlay_in_foreground ? 100000 : -1;
+    } else if (inherited_foreground) {
-    } else if (now_foreground && !is_obscured) {
+        z_index = is_obscured ? Foreground : ForegroundVisible;
-        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_blocking);
+        this->UpdateAppletStateLocked(child_applet.get(), is_foreground, overlay_takes_input);
     }
 }
 

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

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

@@ -23,6 +23,7 @@
 #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 {
@@ -31,6 +32,10 @@ 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();
@@ -91,7 +96,7 @@ 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 = system.GetApplicationProcessProgramID();
+    const auto current = GetCallerBaseTitleID(system, process_id);
 
     const auto& disabled = Settings::values.disabled_addons[current];
     if (std::find(disabled.begin(), disabled.end(), "DLC") != disabled.end()) {
@@ -112,7 +117,7 @@ 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 = FileSys::GetBaseTitleID(system.GetApplicationProcessProgramID());
+    const auto current = GetCallerBaseTitleID(system, process_id);
 
     std::vector<u32> out;
     const auto& disabled = Settings::values.disabled_addons[current];
@@ -126,8 +131,7 @@ Result IAddOnContentManager::ListAddOnContent(Out<u32> out_count,
         }
     }
 
-    // TODO(DarkLordZach): Find the correct error code.
+    R_UNLESS(out.size() >= offset, AM::ResultApplicationRecordNotFound);
-    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());
@@ -141,7 +145,7 @@ 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.GetApplicationProcessProgramID();
+    const auto title_id = system.ResolveCallerProgramId(*process_id);
     const FileSys::PatchManager pm{title_id, system.GetFileSystemController(),
                                    system.GetContentProvider()};
 

src/core/hle/service/audio/audio_in.cpp

@@ -50,7 +50,7 @@ IAudioIn::IAudioIn(Core::System& system_, Manager& manager, size_t session_id,
 }
 
 IAudioIn::~IAudioIn() {
-    impl->Free();
+    impl->Free(system);
     service_context.CloseEvent(event);
     process->Close(system.Kernel());
 }

src/core/hle/service/audio/audio_in_manager.cpp

@@ -1,3 +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
 
@@ -65,7 +68,7 @@ Result IAudioInManager::OpenAudioInAuto(
 Result IAudioInManager::ListAudioInsAutoFiltered(
     OutArray<AudioDeviceName, BufferAttr_HipcAutoSelect> out_audio_ins, Out<u32> out_count) {
     LOG_DEBUG(Service_Audio, "called");
-    *out_count = impl->GetDeviceNames(out_audio_ins, true);
+    *out_count = impl->GetDeviceNames(system, out_audio_ins, true);
     R_SUCCEED();
 }
 
@@ -90,8 +93,8 @@ Result IAudioInManager::OpenAudioInProtocolSpecified(
 
     size_t new_session_id{};
 
-    R_TRY(impl->LinkToManager());
+    R_TRY(impl->LinkToManager(system));
-    R_TRY(impl->AcquireSessionId(new_session_id));
+    R_TRY(impl->AcquireSessionId(system, new_session_id));
 
     LOG_DEBUG(Service_Audio, "Opening new AudioIn, session_id={}, free sessions={}", new_session_id,
               impl->num_free_sessions);

src/core/hle/service/audio/audio_out.cpp

@@ -46,7 +46,7 @@ IAudioOut::IAudioOut(Core::System& system_, Manager& manager, size_t session_id,
 }
 
 IAudioOut::~IAudioOut() {
-    impl->Free();
+    impl->Free(system);
     service_context.CloseEvent(event);
     process->Close(system.Kernel());
 }

src/core/hle/service/audio/audio_out_manager.cpp

@@ -77,8 +77,8 @@ Result IAudioOutManager::OpenAudioOutAuto(
     }
 
     size_t new_session_id{};
-    R_TRY(impl->LinkToManager());
+    R_TRY(impl->LinkToManager(system));
-    R_TRY(impl->AcquireSessionId(new_session_id));
+    R_TRY(impl->AcquireSessionId(system, new_session_id));
 
     const auto device_name = Common::StringFromBuffer(name[0].name);
     LOG_DEBUG(Service_Audio, "Opening new AudioOut, sessionid={}, free sessions={}", new_session_id,

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

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

@@ -1,3 +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-3.0-or-later
 
@@ -19,7 +22,7 @@ class IDeliveryCacheProgressService;
 
 class IBcatService final : public ServiceFramework<IBcatService> {
 public:
-    explicit IBcatService(Core::System& system_, BcatBackend& backend_);
+    explicit IBcatService(Core::System& system_, BcatBackend& backend_, u64 program_id_);
     ~IBcatService() override;
 
 private:
@@ -39,6 +42,7 @@ 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

@@ -1,6 +1,10 @@
+// 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"
@@ -37,7 +41,8 @@ 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);
+    *out_interface =
+        std::make_shared<IBcatService>(system, *backend, system.ResolveCallerProgramId(*process_id));
     R_SUCCEED();
 }
 
@@ -45,7 +50,7 @@ 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.GetApplicationProcessProgramID();
+    const auto title_id = system.ResolveCallerProgramId(*process_id);
     *out_interface =
         std::make_shared<IDeliveryCacheStorageService>(system, fsc.GetBCATDirectory(title_id));
     R_SUCCEED();

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

@@ -243,10 +243,15 @@ 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.GetApplicationProcessProgramID();
+    const u64 title_id = system.ResolveCallerProgramId(aruid);
+
     auto static_service =
         system.ServiceManager().GetService<Service::Glue::Time::StaticService>("time:u", true);
 

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

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

src/core/hle/service/filesystem/filesystem.cpp

@@ -227,12 +227,13 @@ Result VfsDirectoryServiceWrapper::RenameDirectory(const std::string& src_path_,
     std::string src_path(Common::FS::SanitizePath(src_path_));
     std::string dest_path(Common::FS::SanitizePath(dest_path_));
     auto src = GetDirectoryRelativeWrapped(backing, src_path);
+    if (src == nullptr)
+        return FileSys::ResultPathNotFound;
+
     if (Common::FS::GetParentPath(src_path) == Common::FS::GetParentPath(dest_path)) {
-        // Use more-optimized vfs implementation rename.
+        std::string full_src_path = backing->GetFullPath() + "/" + src_path;
-        if (src == nullptr)
+        std::string full_dest_path = backing->GetFullPath() + "/" + dest_path;
-            return FileSys::ResultPathNotFound;
+        if (!Common::FS::RenameDir(full_src_path, full_dest_path)) {
-        if (!src->Rename(Common::FS::GetFilename(dest_path))) {
-            // TODO(DarkLordZach): Find a better error code for this
             return ResultUnknown;
         }
         return ResultSuccess;

src/core/hle/service/filesystem/fsp/fs_i_filesystem.cpp

@@ -24,7 +24,7 @@ IFileSystem::IFileSystem(Core::System& system_, FileSys::VirtualDir dir_, SizeGe
         {3, D<&IFileSystem::DeleteDirectory>, "DeleteDirectory"},
         {4, D<&IFileSystem::DeleteDirectoryRecursively>, "DeleteDirectoryRecursively"},
         {5, D<&IFileSystem::RenameFile>, "RenameFile"},
-        {6, nullptr, "RenameDirectory"},
+        {6, D<&IFileSystem::RenameDirectory>, "RenameDirectory"},
         {7, D<&IFileSystem::GetEntryType>, "GetEntryType"},
         {8, D<&IFileSystem::OpenFile>, "OpenFile"},
         {9, D<&IFileSystem::OpenDirectory>, "OpenDirectory"},
@@ -88,6 +88,14 @@ Result IFileSystem::RenameFile(
     R_RETURN(backend->RenameFile(FileSys::Path(old_path->str), FileSys::Path(new_path->str)));
 }
 
+Result IFileSystem::RenameDirectory(
+    const InLargeData<FileSys::Sf::Path, BufferAttr_HipcPointer> old_path,
+    const InLargeData<FileSys::Sf::Path, BufferAttr_HipcPointer> new_path) {
+    LOG_DEBUG(Service_FS, "called. directory '{}' to directory '{}'", old_path->str, new_path->str);
+
+    R_RETURN(backend->RenameDirectory(FileSys::Path(old_path->str), FileSys::Path(new_path->str)));
+}
+
 Result IFileSystem::OpenFile(OutInterface<IFile> out_interface,
                              const InLargeData<FileSys::Sf::Path, BufferAttr_HipcPointer> path,
                              u32 mode) {

src/core/hle/service/filesystem/fsp/fs_i_filesystem.h

@@ -1,3 +1,6 @@
+// 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
 
@@ -36,6 +39,8 @@ public:
         const InLargeData<FileSys::Sf::Path, BufferAttr_HipcPointer> path);
     Result RenameFile(const InLargeData<FileSys::Sf::Path, BufferAttr_HipcPointer> old_path,
                       const InLargeData<FileSys::Sf::Path, BufferAttr_HipcPointer> new_path);
+    Result RenameDirectory(const InLargeData<FileSys::Sf::Path, BufferAttr_HipcPointer> old_path,
+                           const InLargeData<FileSys::Sf::Path, BufferAttr_HipcPointer> new_path);
     Result OpenFile(OutInterface<IFile> out_interface,
                     const InLargeData<FileSys::Sf::Path, BufferAttr_HipcPointer> path, u32 mode);
     Result OpenDirectory(OutInterface<IDirectory> out_interface,

src/core/hle/service/filesystem/fsp/fs_i_storage.cpp

@@ -3,9 +3,6 @@
 
 // SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
-#include <chrono>
-#include <thread>
-#include "common/settings.h"
 
 #include "core/file_sys/errors.h"
 #include "core/hle/service/cmif_serialization.h"
@@ -33,15 +30,6 @@ Result IStorage::Read(
 
     R_UNLESS(length >= 0, FileSys::ResultInvalidSize);
     R_UNLESS(offset >= 0, FileSys::ResultInvalidOffset);
-    static thread_local std::chrono::steady_clock::time_point last_read_tick{};
-    const auto now = std::chrono::steady_clock::now();
-    const auto period = Settings::values.debug_knobs.GetValue();
-    const auto ReadInterval = std::chrono::microseconds{period};
-    if (last_read_tick != std::chrono::steady_clock::time_point{} &&
-        now - last_read_tick < ReadInterval) {
-        std::this_thread::sleep_for(ReadInterval - (now - last_read_tick));
-    }
-    last_read_tick = std::chrono::steady_clock::now();
 
     // Read the data from the Storage backend
     backend->Read(out_bytes.data(), length, offset);

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());
+    GetResourceManager()->GetSevenSixAxis()->SetTransferMemoryAddress(t_mem_1->GetSourceAddress(), t_mem_1->GetOwner());
 
     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());
+    device->SetTransferMemoryAddress(t_mem->GetSourceAddress(), t_mem->GetOwner());
     R_SUCCEED();
 }
 

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

@@ -1,3 +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
 
@@ -147,7 +150,7 @@ 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());
+    image_transfer_processor.SetTransferMemoryAddress(t_mem->GetSourceAddress(), t_mem->GetOwner());
     npad_device->SetPollingMode(Core::HID::EmulatedDeviceIndex::RightIndex,
                                 Common::Input::PollingMode::IR);
 
@@ -295,7 +298,8 @@ 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());
+    image_transfer_processor.SetTransferMemoryAddress(t_mem->GetSourceAddress(),
+                                                      t_mem->GetOwner());
     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{system_.ApplicationMemory()}
+        , context{process_->GetMemory()}
     {
 
         // clang-format off

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

@@ -9,15 +9,12 @@
 #include <optional>
 #include <string>
 
-#define STBI_ONLY_JPEG 1
+#include "common/stb.h"
-#include <stb_image.h>
-#include <stb_image_resize.h>
-#include <stb_image_write.h>
-
 #include "common/settings.h"
 #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"
@@ -336,8 +333,8 @@ void IReadOnlyApplicationControlDataInterface::ListApplicationTitle(HLERequestCo
 
     constexpr s32 data_offset = 0;
 
-    if (t_mem != nullptr && app_count > 0) {
+    if (t_mem != nullptr && t_mem->GetOwner() != nullptr && app_count > 0) {
-        auto& memory = system.ApplicationMemory();
+        auto& memory = t_mem->GetOwner()->GetMemory();
         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

@@ -77,6 +77,7 @@ 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, false);
+            return WrapFixedVariable(this, &nvhost_gpu::SubmitGPFIFOBase1, input, output, fd, 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, true);
+            return WrapFixedVariable(this, &nvhost_gpu::SubmitGPFIFOBase1, input, output, fd, true);
         case 0x1d:
             return WrapFixed(this, &nvhost_gpu::ChannelSetTimeslice, input, output);
         default:
@@ -387,8 +387,19 @@ 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, bool kickoff) {
+                                       std::span<Tegra::CommandListHeader> commands, DeviceFD fd,
+                                       bool kickoff) {
     if (params.num_entries > commands.size()) {
         UNIMPLEMENTED();
         return NvResult::InvalidSize;
@@ -396,7 +407,7 @@ NvResult nvhost_gpu::SubmitGPFIFOBase1(IoctlSubmitGpfifo& params,
 
     Tegra::CommandList entries(params.num_entries);
     if (kickoff) {
-        system.ApplicationMemory().ReadBlock(params.address, entries.command_lists.data(),
+        this->GetSessionMemory(fd).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

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

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

@@ -8,6 +8,7 @@
 #include "common/assert.h"
 #include "common/logging.h"
 #include "core/core.h"
+#include "core/hle/kernel/k_process.h"
 #include "core/hle/service/nvdrv/core/container.h"
 #include "core/hle/service/nvdrv/devices/ioctl_serialization.h"
 #include "core/hle/service/nvdrv/devices/nvhost_nvdec.h"
@@ -71,17 +72,23 @@ NvResult nvhost_nvdec::Ioctl3(DeviceFD fd, Ioctl command, std::span<const u8> in
 
 void nvhost_nvdec::OnOpen(NvCore::SessionId session_id, DeviceFD fd) {
     LOG_INFO(Service_NVDRV, "NVDEC video stream started");
-    system.SetNVDECActive(true);
     sessions[fd] = session_id;
+    if (const auto* session = core.GetSession(session_id);
+        session != nullptr && session->process != nullptr) {
+        system.NotifyNVDECChannelOpen(session->process->GetId());
+    }
     host1x.StartDevice(fd, Tegra::Host1x::ChannelType::NvDec, channel_syncpoint);
 }
 
 void nvhost_nvdec::OnClose(DeviceFD fd) {
     LOG_INFO(Service_NVDRV, "NVDEC video stream ended");
     host1x.StopDevice(fd, Tegra::Host1x::ChannelType::NvDec);
-    system.SetNVDECActive(false);
     auto it = sessions.find(fd);
     if (it != sessions.end()) {
+        if (const auto* session = core.GetSession(it->second);
+            session != nullptr && session->process != nullptr) {
+            system.NotifyNVDECChannelClose(session->process->GetId());
+        }
         sessions.erase(it);
     }
 }

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

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

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

@@ -115,6 +115,7 @@ 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

@@ -1,3 +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-3.0-or-later
 
@@ -23,6 +26,25 @@ 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;
@@ -35,6 +57,7 @@ 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 2025 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
@@ -104,6 +104,14 @@ 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 2025 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
@@ -48,6 +48,7 @@ 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 2025 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
@@ -13,8 +13,10 @@
 
 namespace Service::PCTL {
 
-IParentalControlService::IParentalControlService(Core::System& system_, Capability capability_)
+IParentalControlService::IParentalControlService(Core::System& system_, Capability capability_,
+                                                 u64 program_id_)
     : 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
@@ -202,7 +204,6 @@ 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

@@ -16,7 +16,8 @@ namespace Service::PCTL {
 
 class IParentalControlService final : public ServiceFramework<IParentalControlService> {
 public:
-    explicit IParentalControlService(Core::System& system_, Capability capability_);
+    explicit IParentalControlService(Core::System& system_, Capability capability_,
+                                     u64 program_id_);
     ~IParentalControlService() override;
 
 private:
@@ -84,6 +85,7 @@ 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

@@ -1,6 +1,10 @@
+// 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"
@@ -23,17 +27,17 @@ IParentalControlServiceFactory::~IParentalControlServiceFactory() = default;
 
 Result IParentalControlServiceFactory::CreateService(
     Out<SharedPointer<IParentalControlService>> out_service, ClientProcessId process_id) {
-    LOG_DEBUG(Service_PCTL, "called");
+    LOG_DEBUG(Service_PCTL, "called, process_id={}", process_id.pid);
-    // TODO(ogniK): Get application id from process
+    *out_service = std::make_shared<IParentalControlService>(
-    *out_service = std::make_shared<IParentalControlService>(system, capability);
+        system, capability, system.ResolveCallerProgramId(*process_id));
     R_SUCCEED();
 }
 
 Result IParentalControlServiceFactory::CreateServiceWithoutInitialize(
     Out<SharedPointer<IParentalControlService>> out_service, ClientProcessId process_id) {
-    LOG_DEBUG(Service_PCTL, "called");
+    LOG_DEBUG(Service_PCTL, "called, process_id={}", process_id.pid);
-    // TODO(ogniK): Get application id from process
+    *out_service = std::make_shared<IParentalControlService>(
-    *out_service = std::make_shared<IParentalControlService>(system, capability);
+        system, capability, system.ResolveCallerProgramId(*process_id));
     R_SUCCEED();
 }
 

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

@@ -132,8 +132,7 @@ private:
 
         LOG_WARNING(Service_PM, "(Partial Implementation) called, pid={:016X}", pid);
 
-        auto list = kernel.GetProcessList();
+        auto process = kernel.GetProcessByProcessId(pid);
-        auto process = SearchProcessList(system.Kernel(), list, [pid](auto& p) { return p->GetProcessId() == pid; });
 
         if (process.IsNull()) {
             IPC::ResponseBuilder rb{ctx, 2};
@@ -186,9 +185,7 @@ private:
 
         LOG_DEBUG(Service_PM, "called, process_id={:016X}", process_id);
 
-        auto list = kernel.GetProcessList();
+        auto process = kernel.GetProcessByProcessId(process_id);
-        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.GetApplicationProcessProgramID(), {data1, data2},
+        reporter.SavePlayReport(Type, system.ResolveCallerProgramId(process_id), {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.GetApplicationProcessProgramID(), {data1, data2},
+        reporter.SavePlayReport(Type, system.ResolveCallerProgramId(process_id), {data1, data2},
                                 process_id, user_id);
 
         IPC::ResponseBuilder rb{ctx, 2};

src/core/hle/service/server_manager.cpp

@@ -393,7 +393,7 @@ Result ServerManager::CompleteSyncRequest(Session* session) {
     }
 
     // Send the reply.
-    res = server_session->SendReplyHLE(m_system.Kernel());
+    res = server_session->SendReplyHLE(m_system.Kernel(), service_res == IPC::ResultSessionClosed);
 
     // If the session has been closed, we're done.
     if (res == Kernel::ResultSessionClosed || service_res == IPC::ResultSessionClosed) {

src/core/hle/service/service.cpp

@@ -4,12 +4,16 @@
 // SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
+#include <chrono>
 #include <fmt/ranges.h>
+#include <string_view>
+#include <thread>
 #include "common/assert.h"
 #include "common/logging.h"
 #include "common/settings.h"
 #include "core/core.h"
 #include "core/hle/ipc.h"
+#include "core/hle/kernel/k_process.h"
 #include "core/hle/kernel/kernel.h"
 #include "core/hle/service/ipc_helpers.h"
 #include "core/hle/service/service.h"
@@ -33,6 +37,7 @@ ServiceFrameworkBase::ServiceFrameworkBase(Core::System& system_, const char* se
     : SessionRequestHandler(system_.Kernel(), service_name_)
     , system{system_}
     , service_name{service_name_}
+    , is_i_storage{std::string_view{service_name_} == "IStorage"}
     , handler_invoker{handler_invoker_}
     , max_sessions{max_sessions_}
 {}
@@ -77,13 +82,22 @@ void ServiceFrameworkBase::ReportUnimplementedFunction(HLERequestContext& ctx,
 }
 
 void ServiceFrameworkBase::InvokeRequest(HLERequestContext& ctx) {
-    auto it = handlers.find(ctx.GetCommand());
+    const auto command = ctx.GetCommand();
+    auto it = handlers.find(command);
+    const bool is_cmd_read = command == 0;
     FunctionInfoBase const* info = it == handlers.end() ? nullptr : &it->second;
     if (info == nullptr || info->handler_callback == nullptr)
         return ReportUnimplementedFunction(ctx, info);
 
     LOG_TRACE(Service, "{}", MakeFunctionString(info->name, GetServiceName(), ctx.CommandBuffer()));
     handler_invoker(this, info->handler_callback, ctx);
+
+    if (is_i_storage && is_cmd_read) {
+        const auto* const process = ctx.GetThread().GetOwnerProcess();
+        if (process != nullptr && system.IsNVDECActiveForProcess(process->GetId())) {
+            std::this_thread::sleep_for(std::chrono::microseconds{600});
+        }
+    }
 }
 
 void ServiceFrameworkBase::InvokeRequestTipc(HLERequestContext& ctx) {