bleh

Different approach proposed by gido.

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

Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/4120
Reviewed-by: CamilleLaVey <camillelavey99@gmail.com>

cpmfile.json

@@ -9,7 +9,7 @@
     "boost": {
         "artifact": "%TAG%-cmake.tar.xz",
         "find_args": "CONFIG OPTIONAL_COMPONENTS headers context system fiber filesystem",
-        "hash": "935b3d516e996f6d25948ba8a54c1b7f70f7f0e3f517e36481fdf0196c2c5cfc2841f86e891f3df9517746b7fb605db47cdded1b8ff78d9482ddaa621db43a34",
+        "hash": "6ae6e94664fe7f2fb01976b59b276ac5df8085c7503fa829d810fbfe495960cfec44fa2c36e2cb23480bc19c956ed199d4952b02639a00a6c07625d4e7130c2d",
         "min_version": "1.57",
         "package": "Boost",
         "patches": [
@@ -17,17 +17,17 @@
         ],
         "repo": "boostorg/boost",
         "tag": "boost-%VERSION%",
-        "version": "1.91.0"
+        "version": "1.90.0"
     },
     "boost_headers": {
         "bundled": true,
-        "hash": "c5fa2cd72f6e6666b7963b97bc359c75284b8fb540c30f3629a028b85270c9bc66c8a051383964f2bd4c1e005a4691593d15696e7ef39ea87cf6cff9e5691fb2",
+        "hash": "4ef845775e2277a8104ded6ddf749aa262ce52cf8438042869a048f9a0156dd772fbbcfa74efa1378fecef339b7286f6fe4b4feb5c45d49966b35d08e3e83507",
         "repo": "boostorg/headers",
         "tag": "boost-%VERSION%",
-        "version": "1.91.0"
+        "version": "1.90.0"
     },
     "catch2": {
-        "hash": "2e32d3d41e4ef84d927eaaaff0a75eba8fd1e47a5ddeb6007b73934f9d1ac747bf9818d02d2cdfb6343830b5091ba4f3d66efc281fc376a4f0716753dd7c9a97",
+        "hash": "7eea385d79d88a5690cde131fe7ccda97d5c54ea09d6f515000d7bf07c828809d61c1ac99912c1ee507cf933f61c1c47ecdcc45df7850ffa82714034b0fccf35",
         "min_version": "3.0.1",
         "package": "Catch2",
         "patches": [
@@ -35,7 +35,7 @@
         ],
         "repo": "catchorg/Catch2",
         "tag": "v%VERSION%",
-        "version": "3.15.1"
+        "version": "3.13.0"
     },
     "cpp-jwt": {
         "find_args": "CONFIG",
@@ -96,11 +96,11 @@
         "version": "8.0.1-c7b5f1537d"
     },
     "fmt": {
-        "hash": "5ac2ba0f54a484999ed5407d82b77aad170cea49a267decd2c0eedadf3b14413e2a83fcc8e9ca9c16640595e019b8636e160f72314d8be50653324e82ac745eb",
+        "hash": "f0da82c545b01692e9fd30fdfb613dbb8dd9716983dcd0ff19ac2a8d36f74beb5540ef38072fdecc1e34191b3682a8542ecbf3a61ef287dbba0a2679d4e023f2",
         "min_version": "8",
         "repo": "fmtlib/fmt",
         "tag": "%VERSION%",
-        "version": "12.2.0"
+        "version": "12.1.0"
     },
     "frozen": {
         "hash": "b8dfe741c82bc178dfc9749d4ab5a130cee718d9ee7b71d9b547cf5f7f23027ed0152ad250012a8546399fcc1e12187efc68d89d6731256c4d2df7d04eef8d5c",
@@ -119,7 +119,7 @@
     },
     "httplib": {
         "find_args": "MODULE GLOBAL",
-        "hash": "bc9474b0069b84b33f96790d48cee5b52eb1b9555ea6321ce878679c4469f1c56b87b34e74786e47d09cad5a00539cdd6726058bd0ffb2087255f02d7bdabe51",
+        "hash": "159ed94965018f2a371d45a3bfc1961e5fb1549e501ded70a6b4532d7fe99d0579c18b5195aff6e35f96f399b426cea2650ec9fb75ef80d4c9edeccb51f2e6c9",
         "options": [
             "HTTPLIB_REQUIRE_OPENSSL ON",
             "HTTPLIB_DISABLE_MACOSX_AUTOMATIC_ROOT_CERTIFICATES ON"
@@ -129,7 +129,7 @@
         ],
         "repo": "yhirose/cpp-httplib",
         "tag": "v%VERSION%",
-        "version": "0.48.0"
+        "version": "0.46.0"
     },
     "lagoon": {
         "hash": "b9380f99c6effaeccc6d8f81d4942e852c11ad28613df637e155451556ae5826f93765bee57a5c87a9740d2bd1db463ad0f55a947772fe9d57eeabae3efa373e",
@@ -148,13 +148,13 @@
     },
     "libusb": {
         "find_args": "MODULE",
-        "hash": "3251c9f41e900efa13caf981483f46886c8434bf4c30f3fd3073921b06be9977cebcf4a18f7bc46db86e33d7f19752296377be9050abfb8d887ffeb377864647",
+        "hash": "98c5f7940ff06b25c9aa65aa98e23de4c79a4c1067595f4c73cc145af23a1c286639e1ba11185cd91bab702081f307b973f08a4c9746576dc8d01b3620a3aeb5",
         "patches": [
             "0001-netbsd-gettime.patch"
         ],
         "repo": "libusb/libusb",
         "tag": "v%VERSION%",
-        "version": "1.0.30"
+        "version": "1.0.29"
     },
     "llvm-mingw": {
         "artifact": "clang-rt-builtins.tar.zst",
@@ -203,7 +203,7 @@
         "version": "1.10.0"
     },
     "openssl": {
-        "hash": "2405891660b67e4cc01c7868e100f2766e1c6290120213ae62f775ef3d9610c3527bdc43d4c831260417450c74353b0693ae3e24cca3e99b02e4daa548b93904",
+        "hash": "29002ce50cb95a4f4f1d0e9d3f684401fbd4eac34203dc2eef3b6334af5d44aa46bf788b63a6f5c139c383eafb7269ae87a58a9a3ad5912903b9773e545ccc0a",
         "min_version": "3.0.0",
         "package": "OpenSSL",
         "patches": [
@@ -211,7 +211,7 @@
         ],
         "repo": "openssl/openssl",
         "tag": "openssl-%VERSION%",
-        "version": "4.0.1"
+        "version": "3.6.2"
     },
     "openssl-ci": {
         "ci": true,
@@ -223,7 +223,7 @@
     },
     "openssl-cmake": {
         "bundled": true,
-        "hash": "bc73a6c035f299711bb90e20b16fa3521e8ffdab32d8d17f9e7f5cde1ff5def37ec6f9e03de25c3466d18885815c0874331f56e592b8a2f7deeb484c69c5c621",
+        "hash": "2cc185c924fd70e7d886257ca0caa42b3b8f7f712f2052b4f94dde74759e27022de76178460e18c9bdfc57c366583999e198fbb6052d4e7d91c099d15a0ca63e",
         "options": [
             "OPENSSL_CONFIGURE_OPTIONS threads"
         ],
@@ -235,7 +235,7 @@
         ],
         "repo": "jimmy-park/openssl-cmake",
         "tag": "%VERSION%",
-        "version": "4.0.1"
+        "version": "3.6.2"
     },
     "opus": {
         "find_args": "MODULE",
@@ -268,12 +268,12 @@
         "version": "1.5"
     },
     "sdl3": {
-        "hash": "10a9c1fa4d6891c7387fa694b786a168f86b6e5447c6c522f85b739e33720e106ee879dfa9e6e537d5521b983cfbd4908927c555c4d3412735129a4231e16fe6",
+        "hash": "df5a323af7ac366661a3c0e887969c72584d232f3cc211419d59b0487b620b6b2859d4549c9e8df002ee489290062e466fcfddf7edc0872a37b1f2845e81c0f3",
         "min_version": "3.2.10",
         "package": "SDL3",
         "repo": "libsdl-org/SDL",
         "tag": "release-%VERSION%",
-        "version": "3.4.10"
+        "version": "3.4.8"
     },
     "sdl3-ci": {
         "ci": true,
@@ -285,11 +285,11 @@
     },
     "simpleini": {
         "find_args": "MODULE",
-        "hash": "a62c5748efe2473aae5bddab96ba9114d981a72f5b0d1a44d563daa085d5c231ed8c447794691d9bd67e1e0c6bfb44e4a8736be75fee59967d0c67ce3a59bb6e",
+        "hash": "b937c18a7b6277d77ca7ebfb216af4984810f77af4c32d101b7685369a4bd5eb61406223f82698e167e6311a728d07415ab59639fdf19eff71ad6dc2abfda989",
         "package": "SimpleIni",
         "repo": "brofield/simpleini",
         "tag": "v%VERSION%",
-        "version": "4.26"
+        "version": "4.25"
     },
     "sirit": {
         "artifact": "sirit-source-%VERSION%.tar.zst",
@@ -340,42 +340,42 @@
         "version": "4.8.1"
     },
     "vulkan-headers": {
-        "hash": "3dd6d95ff1916b0660d5d15882232da53f263e8da3bfd0818c719a24f8f63ea0228ed3f6575cc8473ed53d688f280b93ef8412dc8dddf20ae3ce495f5f653b6f",
+        "hash": "d2846ea228415772645eea4b52a9efd33e6a563043dd3de059e798be6391a8f0ca089f455ae420ff22574939ed0f48ed7c6ff3d5a9987d5231dbf3b3f89b484b",
         "min_version": "1.4.317",
         "package": "VulkanHeaders",
         "repo": "KhronosGroup/Vulkan-Headers",
         "tag": "v%VERSION%",
-        "version": "1.4.355"
+        "version": "1.4.345"
     },
     "vulkan-memory-allocator": {
         "find_args": "CONFIG",
-        "hash": "563acbcd8912d10d92c23715eba7acf0e7c1683af36021f415b36f359c2cce065f3906e395c32282a8410ec5c8179fbcb6412935c6629a49357475d4b4410e2a",
+        "hash": "deb5902ef8db0e329fbd5f3f4385eb0e26bdd9f14f3a2334823fb3fe18f36bc5d235d620d6e5f6fe3551ec3ea7038638899db8778c09f6d5c278f5ff95c3344b",
         "package": "VulkanMemoryAllocator",
         "repo": "GPUOpen-LibrariesAndSDKs/VulkanMemoryAllocator",
         "tag": "v%VERSION%",
-        "version": "3.4.0"
+        "version": "3.3.0"
     },
     "vulkan-utility-libraries": {
-        "hash": "50b1c820296c6798fe28f441691bbeeb9137940fc34c1f400aa1515de134d3990e76df674c290fd39c2b3206a089ca58190147b530db81c61a96cf5e18e495d9",
+        "hash": "114f6b237a6dcba923ccc576befb5dea3f1c9b3a30de7dc741f234a831d1c2d52d8a224afb37dd57dffca67ac0df461eaaab6a5ab5e503b393f91c166680c3e1",
         "package": "VulkanUtilityLibraries",
         "repo": "KhronosGroup/Vulkan-Utility-Libraries",
         "tag": "v%VERSION%",
-        "version": "1.4.355"
+        "version": "1.4.345"
     },
     "vulkan-validation-layers": {
         "artifact": "android-binaries-%VERSION%.zip",
-        "hash": "1888eaaa4f0ccd7f3d1f0c6485ae5508f39e7b402ea8486d8243756d63073def569ddee75ea40b403cbfcb2ead515c410d2ff16ae48d8a4d6b4fbacbd78e24e4",
+        "hash": "8812ae84cbe49e6a3418ade9c458d3be6d74a3dffd319d4502007b564d580998056e8190414368ec11b27bc83993c7a0dad713c31bcc3d9553b51243efee3753",
         "package": "VVL",
         "repo": "KhronosGroup/Vulkan-ValidationLayers",
         "tag": "vulkan-sdk-%VERSION%",
-        "version": "1.4.350.1"
+        "version": "1.4.341.0"
     },
     "xbyak": {
-        "hash": "14a0a8e3a768e6256e220b5edfd783de5e89f36736ef62674c8532f2564df03719311db923a08d2c930491632f2f83e486c8264e9997b6394ef59d32cae3070b",
+        "hash": "b6475276b2faaeb315734ea8f4f8bd87ededcee768961b39679bee547e7f3e98884d8b7851e176d861dab30a80a76e6ea302f8c111483607dde969b4797ea95a",
         "package": "xbyak",
         "repo": "herumi/xbyak",
         "tag": "v%VERSION%",
-        "version": "7.37.4"
+        "version": "7.35.2"
     },
     "zlib": {
         "hash": "16fea4df307a68cf0035858abe2fd550250618a97590e202037acd18a666f57afc10f8836cbbd472d54a0e76539d0e558cb26f059d53de52ff90634bbf4f47d4",

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

@@ -31,6 +31,7 @@ enum class BooleanSetting(override val key: String) : AbstractBooleanSetting {
     RENDERER_REACTIVE_FLUSHING("use_reactive_flushing"),
     ENABLE_BUFFER_HISTORY("enable_buffer_history"),
     USE_OPTIMIZED_VERTEX_BUFFERS("use_optimized_vertex_buffers"),
+    ENABLE_GPU_BUFFER_READBACK("enable_gpu_buffer_readback"),
     SYNC_MEMORY_OPERATIONS("sync_memory_operations"),
     BUFFER_REORDER_DISABLE("disable_buffer_reorder"),
     RENDERER_DEBUG("debug"),

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

@@ -806,6 +806,13 @@ abstract class SettingsItem(
                     descriptionId = R.string.enable_buffer_history_description
                 )
             )
+            put(
+                SwitchSetting(
+                    BooleanSetting.ENABLE_GPU_BUFFER_READBACK,
+                    titleId = R.string.enable_gpu_buffer_readback,
+                    descriptionId = R.string.enable_gpu_buffer_readback_description
+                )
+            )
             put(
                 SwitchSetting(
                     BooleanSetting.USE_OPTIMIZED_VERTEX_BUFFERS,

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

@@ -292,6 +292,7 @@ class SettingsFragmentPresenter(
             add(BooleanSetting.RENDERER_FORCE_MAX_CLOCK.key)
             add(BooleanSetting.RENDERER_REACTIVE_FLUSHING.key)
             add(BooleanSetting.ENABLE_BUFFER_HISTORY.key)
+            add(BooleanSetting.ENABLE_GPU_BUFFER_READBACK.key)
             add(BooleanSetting.USE_OPTIMIZED_VERTEX_BUFFERS.key)
 
             add(HeaderSetting(R.string.hacks))

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

@@ -503,6 +503,8 @@
     <string name="renderer_reactive_flushing_description">Improves rendering accuracy in some games at the cost of performance.</string>
     <string name="enable_buffer_history">Enable buffer history</string>
     <string name="enable_buffer_history_description">Enables access to previous buffer states. This option may improve rendering quality and performance consistency in some games.</string>
+    <string name="enable_gpu_buffer_readback">Enable GPU Buffer Readback</string>
+    <string name="enable_gpu_buffer_readback_description">Preserves GPU-modified buffer data by reading it back before uploads. Some games require this to render certain effects properly. May cause issues if the hardware cannot handle the additional workload.</string>
     <string name="use_optimized_vertex_buffers">Optimized Vertex Buffers</string>
     <string name="use_optimized_vertex_buffers_description">Enables optimized vertex buffer binding for improved performance. Requires Mesa 26.0+ Turnip drivers/ QCOM drivers. Will crash on older Turnip drivers (25.3 and below).</string>
 

src/common/lru_cache.h

@@ -1,142 +0,0 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
-// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-#pragma once
-
-#include <deque>
-#include <memory>
-#include <type_traits>
-
-#include "common/common_types.h"
-
-namespace Common {
-
-template <class Traits>
-class LeastRecentlyUsedCache {
-    using ObjectType = typename Traits::ObjectType;
-    using TickType = typename Traits::TickType;
-
-    struct Item {
-        ObjectType obj;
-        TickType tick;
-        Item* next{};
-        Item* prev{};
-    };
-
-public:
-    LeastRecentlyUsedCache() : first_item{}, last_item{} {}
-    ~LeastRecentlyUsedCache() = default;
-
-    size_t Insert(ObjectType obj, TickType tick) {
-        const auto new_id = Build();
-        auto& item = item_pool[new_id];
-        item.obj = obj;
-        item.tick = tick;
-        Attach(item);
-        return new_id;
-    }
-
-    void Touch(size_t id, TickType tick) {
-        auto& item = item_pool[id];
-        if (item.tick >= tick) {
-            return;
-        }
-        item.tick = tick;
-        if (&item == last_item) {
-            return;
-        }
-        Detach(item);
-        Attach(item);
-    }
-
-    void Free(size_t id) {
-        auto& item = item_pool[id];
-        Detach(item);
-        item.prev = nullptr;
-        item.next = nullptr;
-        free_items.push_back(id);
-    }
-
-    template <typename Func>
-    void ForEachItemBelow(TickType tick, Func&& func) {
-        static constexpr bool RETURNS_BOOL =
-            std::is_same_v<std::invoke_result_t<Func, ObjectType>, bool>;
-        Item* iterator = first_item;
-        while (iterator) {
-            if (static_cast<s64>(tick) - static_cast<s64>(iterator->tick) < 0) {
-                return;
-            }
-            Item* next = iterator->next;
-            if constexpr (RETURNS_BOOL) {
-                if (func(iterator->obj)) {
-                    return;
-                }
-            } else {
-                func(iterator->obj);
-            }
-            iterator = next;
-        }
-    }
-
-private:
-    size_t Build() {
-        if (free_items.empty()) {
-            const size_t item_id = item_pool.size();
-            auto& item = item_pool.emplace_back();
-            item.next = nullptr;
-            item.prev = nullptr;
-            return item_id;
-        }
-        const size_t item_id = free_items.front();
-        free_items.pop_front();
-        auto& item = item_pool[item_id];
-        item.next = nullptr;
-        item.prev = nullptr;
-        return item_id;
-    }
-
-    void Attach(Item& item) {
-        if (!first_item) {
-            first_item = &item;
-        }
-        if (!last_item) {
-            last_item = &item;
-        } else {
-            item.prev = last_item;
-            last_item->next = &item;
-            item.next = nullptr;
-            last_item = &item;
-        }
-    }
-
-    void Detach(Item& item) {
-        if (item.prev) {
-            item.prev->next = item.next;
-        }
-        if (item.next) {
-            item.next->prev = item.prev;
-        }
-        if (&item == first_item) {
-            first_item = item.next;
-            if (first_item) {
-                first_item->prev = nullptr;
-            }
-        }
-        if (&item == last_item) {
-            last_item = item.prev;
-            if (last_item) {
-                last_item->next = nullptr;
-            }
-        }
-    }
-
-    std::deque<Item> item_pool;
-    std::deque<size_t> free_items;
-    Item* first_item{};
-    Item* last_item{};
-};
-
-} // namespace Common

src/core/core.cpp

@@ -350,7 +350,7 @@ struct System::Impl {
 
         // Register with applet manager
         // All threads are started, begin main process execution, now that we're in the clear
-        applet_manager.CreateAndInsertByFrontendAppletParameters(std::make_unique<Service::Process>(*std::move(process)), params);
+        applet_manager.CreateAndInsertByFrontendAppletParameters(std::move(process), params);
 
         if (Settings::values.gamecard_inserted) {
             if (Settings::values.gamecard_current_game) {

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

@@ -109,6 +109,10 @@ struct Applet {
     std::list<std::shared_ptr<Applet>> child_applets{};
     bool is_completed{};
 
+    std::shared_ptr<Applet> reserved_applet{};
+    bool unwind_after_reserved{};
+    bool is_winding{};
+
     // Self state
     bool exit_locked{};
     s32 fatal_section_count{};

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

@@ -25,6 +25,13 @@ void AppletStorageChannel::Push(Kernel::KernelCore& kernel, std::shared_ptr<ISto
     m_event.Signal(kernel);
 }
 
+void AppletStorageChannel::Unpop(Kernel::KernelCore& kernel, std::shared_ptr<IStorage> storage) {
+    std::scoped_lock lk{m_lock};
+
+    m_data.emplace_front(std::move(storage));
+    m_event.Signal(kernel);
+}
+
 Result AppletStorageChannel::Pop(Kernel::KernelCore& kernel, std::shared_ptr<IStorage>* out_storage) {
     std::scoped_lock lk{m_lock};
 

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

@@ -26,6 +26,7 @@ public:
     ~AppletStorageChannel();
 
     void Push(Kernel::KernelCore& kernel, std::shared_ptr<IStorage> storage);
+    void Unpop(Kernel::KernelCore& kernel, std::shared_ptr<IStorage> storage);
     Result Pop(Kernel::KernelCore& kernel, std::shared_ptr<IStorage>* out_storage);
     Kernel::KReadableEvent* GetEvent();
 

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

@@ -267,7 +267,7 @@ void AppletManager::SetWindowSystem(WindowSystem* window_system) {
 
     if (Settings::values.enable_overlay && m_window_system->GetOverlayDisplayApplet() == nullptr) {
         if (auto overlay_process = CreateProcess(m_system, static_cast<u64>(AppletProgramId::OverlayDisplay), 0, 0)) {
-            auto overlay_applet = std::make_shared<Applet>(m_system, std::make_unique<Service::Process>(*std::move(overlay_process)), false);
+            auto overlay_applet = std::make_shared<Applet>(m_system, std::move(overlay_process), false);
             overlay_applet->program_id = static_cast<u64>(AppletProgramId::OverlayDisplay);
             overlay_applet->applet_id = AppletId::OverlayDisplay;
             overlay_applet->type = AppletType::OverlayApplet;

src/core/hle/service/am/hid_registration.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
 
@@ -12,7 +15,10 @@ namespace Service::AM {
 
 HidRegistration::HidRegistration(Core::System& system, Process& process) : m_process(process) {
     m_hid_server = system.ServiceManager().GetService<HID::IHidServer>("hid", true);
+    this->RegisterCurrentProcess();
+}
 
+void HidRegistration::RegisterCurrentProcess() {
     if (m_process.IsInitialized()) {
         m_hid_server->GetResourceManager()->RegisterAppletResourceUserId(m_process.GetProcessId(),
                                                                          true);

src/core/hle/service/am/hid_registration.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
 
@@ -24,6 +27,7 @@ public:
     explicit HidRegistration(Core::System& system, Process& process);
     ~HidRegistration();
 
+    void RegisterCurrentProcess();
     void EnableAppletToGetInput(bool enable);
 
 private:

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

@@ -171,6 +171,18 @@ void LifecycleManager::SignalSystemEventIfNeeded(Kernel::KernelCore& kernel) {
     }
 }
 
+void LifecycleManager::ResetForRelaunch() {
+    m_unordered_messages.clear();
+
+    m_activity_state = ActivityState::BackgroundVisible;
+    m_requested_focus_state = FocusState{};
+    m_acknowledged_focus_state = FocusState{};
+    m_has_focus_state_changed = true;
+
+    m_suspend_mode = SuspendMode::NoOverride;
+    m_forced_suspend = false;
+}
+
 bool LifecycleManager::PopMessage(Kernel::KernelCore& kernel, AppletMessage* out_message) {
     const auto message = this->PopMessageInOrderOfPriority();
     this->SignalSystemEventIfNeeded(kernel);

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

@@ -138,6 +138,8 @@ public:
     void PushUnorderedMessage(Kernel::KernelCore& kernel, AppletMessage message);
     bool PopMessage(Kernel::KernelCore& kernel, AppletMessage* out_message);
 
+    void ResetForRelaunch();
+
 private:
     FocusState GetFocusStateWhileForegroundObscured() const;
     FocusState GetFocusStateWhileBackground(bool is_obscured) const;

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

@@ -40,23 +40,23 @@ namespace {
     }
 }
 
-[[nodiscard]] inline std::optional<Process> CreateProcessImpl(std::unique_ptr<Loader::AppLoader>& out_loader, Loader::ResultStatus& out_load_result, Core::System& system, FileSys::VirtualFile file, u64 program_id, u64 program_index) {
+[[nodiscard]] inline std::unique_ptr<Process> CreateProcessImpl(std::unique_ptr<Loader::AppLoader>& out_loader, Loader::ResultStatus& out_load_result, Core::System& system, FileSys::VirtualFile file, u64 program_id, u64 program_index) {
     // Get the appropriate loader to parse this NCA.
     out_loader = Loader::GetLoader(system, file, program_id, program_index);
     // Ensure we have a loader which can parse the NCA.
     if (out_loader) {
         // Try to load the process.
-        auto process = std::make_optional<Process>(system);
+        auto process = std::make_unique<Process>(system);
         if (process->Initialize(*out_loader, out_load_result)) {
             return process;
         }
     }
-    return std::nullopt;
+    return nullptr;
 }
 
 } // Anonymous namespace
 
-std::optional<Process> CreateProcess(Core::System& system, u64 program_id, u8 minimum_key_generation, u8 maximum_key_generation) {
+std::unique_ptr<Process> CreateProcess(Core::System& system, u64 program_id, u8 minimum_key_generation, u8 maximum_key_generation) {
     // Attempt to load program NCA.
     FileSys::VirtualFile nca_raw{};
 
@@ -66,7 +66,7 @@ std::optional<Process> CreateProcess(Core::System& system, u64 program_id, u8 mi
 
     // Ensure we retrieved a program NCA.
     if (!nca_raw) {
-        return std::nullopt;
+        return nullptr;
     }
 
     // Ensure we have a suitable version.
@@ -76,7 +76,7 @@ std::optional<Process> CreateProcess(Core::System& system, u64 program_id, u8 mi
             (nca.GetKeyGeneration() < minimum_key_generation ||
              nca.GetKeyGeneration() > maximum_key_generation)) {
             LOG_WARNING(Service_LDR, "Skipping program {:016X} with generation {}", program_id, nca.GetKeyGeneration());
-            return std::nullopt;
+            return nullptr;
         }
     }
 
@@ -85,7 +85,7 @@ std::optional<Process> CreateProcess(Core::System& system, u64 program_id, u8 mi
     return CreateProcessImpl(loader, status, system, nca_raw, program_id, 0);
 }
 
-std::optional<Process> CreateApplicationProcess(std::vector<u8>& out_control, std::unique_ptr<Loader::AppLoader>& out_loader, Loader::ResultStatus& out_load_result, Core::System& system, FileSys::VirtualFile file, u64 program_id, u64 program_index) {
+std::unique_ptr<Process> CreateApplicationProcess(std::vector<u8>& out_control, std::unique_ptr<Loader::AppLoader>& out_loader, Loader::ResultStatus& out_load_result, Core::System& system, FileSys::VirtualFile file, u64 program_id, u64 program_index) {
     if (auto process = CreateProcessImpl(out_loader, out_load_result, system, file, program_id, program_index); process) {
         FileSys::NACP nacp;
         if (out_loader->ReadControlData(nacp) == Loader::ResultStatus::Success) {
@@ -110,7 +110,23 @@ std::optional<Process> CreateApplicationProcess(std::vector<u8>& out_control, st
         system.GetARPManager().Register(launch.title_id, launch, out_control);
         return process;
     }
-    return std::nullopt;
+    return nullptr;
+}
+
+bool ReinitializeProcess(Core::System& system, Process& process, u64 program_id) {
+    auto& storage = system.GetContentProviderUnion();
+    const auto nca_raw = storage.GetEntryRaw(program_id, FileSys::ContentRecordType::Program);
+    if (!nca_raw) {
+        return false;
+    }
+
+    auto loader = Loader::GetLoader(system, nca_raw, program_id, 0);
+    if (!loader) {
+        return false;
+    }
+
+    Loader::ResultStatus status{};
+    return process.Initialize(*loader, status);
 }
 
 } // namespace Service::AM

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

@@ -27,7 +27,9 @@ class Process;
 
 namespace Service::AM {
 
-std::optional<Process> CreateProcess(Core::System& system, u64 program_id, u8 minimum_key_generation, u8 maximum_key_generation);
-std::optional<Process> CreateApplicationProcess(std::vector<u8>& out_control, std::unique_ptr<Loader::AppLoader>& out_loader, Loader::ResultStatus& out_load_result, Core::System& system, FileSys::VirtualFile file, u64 program_id, u64 program_index);
+std::unique_ptr<Process> CreateProcess(Core::System& system, u64 program_id, u8 minimum_key_generation, u8 maximum_key_generation);
+std::unique_ptr<Process> CreateApplicationProcess(std::vector<u8>& out_control, std::unique_ptr<Loader::AppLoader>& out_loader, Loader::ResultStatus& out_load_result, Core::System& system, FileSys::VirtualFile file, u64 program_id, u64 program_index);
+
+bool ReinitializeProcess(Core::System& system, Process& process, u64 program_id);
 
 } // namespace Service::AM

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

@@ -35,9 +35,9 @@ Result CreateGuestApplication(SharedPointer<IApplicationAccessor>* out_applicati
     std::unique_ptr<Loader::AppLoader> loader;
     Loader::ResultStatus result;
     auto process = CreateApplicationProcess(control, loader, result, system, nca_raw, program_id, 0);
-    R_UNLESS(process != std::nullopt, ResultUnknown);
+    R_UNLESS(process != nullptr, ResultUnknown);
 
-    const auto applet = std::make_shared<Applet>(system, std::make_unique<Service::Process>(*std::move(process)), true);
+    const auto applet = std::make_shared<Applet>(system, std::move(process), true);
     applet->program_id = program_id;
     applet->applet_id = AppletId::Application;
     applet->type = AppletType::Application;
@@ -88,9 +88,9 @@ Result IApplicationCreator::CreateSystemApplication(
     std::vector<u8> control;
     std::unique_ptr<Loader::AppLoader> loader;
     auto process = CreateProcess(system, application_id, 1, 22);
-    R_UNLESS(process != std::nullopt, ResultUnknown);
+    R_UNLESS(process != nullptr, ResultUnknown);
 
-    const auto applet = std::make_shared<Applet>(system, std::make_unique<Service::Process>(*std::move(process)), true);
+    const auto applet = std::make_shared<Applet>(system, std::move(process), true);
     applet->program_id = application_id;
     applet->applet_id = AppletId::Starter;
     applet->type = AppletType::LibraryApplet;

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

@@ -75,7 +75,7 @@ ILibraryAppletAccessor::ILibraryAppletAccessor(Core::System& system_,
         {105, D<&ILibraryAppletAccessor::GetPopOutDataEvent>, "GetPopOutDataEvent"},
         {106, D<&ILibraryAppletAccessor::GetPopInteractiveOutDataEvent>, "GetPopInteractiveOutDataEvent"},
         {110, nullptr, "NeedsToExitProcess"},
-        {120, nullptr, "GetLibraryAppletInfo"},
+        {120, D<&ILibraryAppletAccessor::GetLibraryAppletInfo>, "GetLibraryAppletInfo"},
         {150, nullptr, "RequestForAppletToGetForeground"},
         {160, D<&ILibraryAppletAccessor::GetIndirectLayerConsumerHandle>, "GetIndirectLayerConsumerHandle"}, //2.0.0+
         {170, D<&ILibraryAppletAccessor::Unknown170>, "Unknown170"}, //22.0.0+
@@ -218,6 +218,16 @@ Result ILibraryAppletAccessor::GetIndirectLayerConsumerHandle(Out<u64> out_handl
     R_SUCCEED();
 }
 
+Result ILibraryAppletAccessor::GetLibraryAppletInfo(
+    Out<LibraryAppletInfo> out_library_applet_info) {
+    LOG_INFO(Service_AM, "called");
+    *out_library_applet_info = {
+        .applet_id = m_applet->applet_id,
+        .library_applet_mode = m_applet->library_applet_mode,
+    };
+    R_SUCCEED();
+}
+
 Result ILibraryAppletAccessor::Unknown170(OutCopyHandle<Kernel::KReadableEvent> out_event) {
     LOG_WARNING(Service_AM, "(STUBBED) called");
     *out_event = m_applet->unknown_event.GetHandle();

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

@@ -6,6 +6,7 @@
 
 #pragma once
 
+#include "core/hle/service/am/service/library_applet_self_accessor.h"
 #include "core/hle/service/cmif_types.h"
 #include "core/hle/service/service.h"
 
@@ -21,6 +22,10 @@ public:
                                     std::shared_ptr<Applet> applet);
     ~ILibraryAppletAccessor();
 
+    std::shared_ptr<Applet> GetApplet() const {
+        return m_applet;
+    }
+
 private:
     Result GetAppletStateChangedEvent(OutCopyHandle<Kernel::KReadableEvent> out_event);
     Result IsCompleted(Out<bool> out_is_completed);
@@ -37,6 +42,7 @@ private:
     Result GetPopOutDataEvent(OutCopyHandle<Kernel::KReadableEvent> out_event);
     Result GetPopInteractiveOutDataEvent(OutCopyHandle<Kernel::KReadableEvent> out_event);
     Result GetIndirectLayerConsumerHandle(Out<u64> out_handle);
+    Result GetLibraryAppletInfo(Out<LibraryAppletInfo> out_library_applet_info);
     Result Unknown170(OutCopyHandle<Kernel::KReadableEvent> out_event);
 
     void FrontendExecute();

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

@@ -123,7 +123,7 @@ std::shared_ptr<ILibraryAppletAccessor> CreateGuestApplet(Core::System& system,
 
     auto process = CreateProcess(system, program_id, Firmware1400, Firmware2200);
     if (process) {
-        const auto applet = std::make_shared<Applet>(system, std::make_unique<Service::Process>(*std::move(process)), false);
+        const auto applet = std::make_shared<Applet>(system, std::move(process), false);
         applet->program_id = program_id;
         applet->applet_id = applet_id;
         applet->type = AppletType::LibraryApplet;

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

@@ -233,8 +233,9 @@ Result ILibraryAppletSelfAccessor::ReportVisibleErrorWithErrorContext(
     R_SUCCEED();
 }
 
-Result ILibraryAppletSelfAccessor::UnpopInData() {
-    LOG_WARNING(Service_AM, "(STUBBED) called");
+Result ILibraryAppletSelfAccessor::UnpopInData(SharedPointer<IStorage> storage) {
+    LOG_INFO(Service_AM, "called");
+    m_broker->GetInData().Unpop(system.Kernel(), storage);
     R_SUCCEED();
 }
 

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

@@ -72,7 +72,7 @@ private:
     Result ReportVisibleError(ErrorCode error_code);
     Result ReportVisibleErrorWithErrorContext(
         ErrorCode error_code, InLargeData<ErrorContext, BufferAttr_HipcMapAlias> error_context);
-    Result UnpopInData();
+    Result UnpopInData(SharedPointer<IStorage> storage);
     Result GetMainAppletApplicationDesiredLanguage(Out<u64> out_desired_language);
     Result GetCurrentApplicationId(Out<u64> out_application_id);
     Result GetMainAppletAvailableUsers(Out<bool> out_can_select_any_user, Out<s32> out_users_count,

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

@@ -1,9 +1,11 @@
-// 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
 // SPDX-License-Identifier: GPL-2.0-or-later
 
+#include "core/core.h"
+#include "core/hle/service/am/applet.h"
 #include "core/hle/service/am/frontend/applets.h"
 #include "core/hle/service/am/service/library_applet_accessor.h"
 #include "core/hle/service/am/service/process_winding_controller.h"
@@ -43,6 +45,18 @@ Result IProcessWindingController::OpenCallingLibraryApplet(
     Out<SharedPointer<ILibraryAppletAccessor>> out_calling_library_applet) {
     LOG_INFO(Service_AM, "called");
 
+    std::shared_ptr<Applet> reserved_applet;
+    {
+        std::scoped_lock lk{m_applet->lock};
+        reserved_applet = std::move(m_applet->reserved_applet);
+    }
+
+    if (reserved_applet != nullptr) {
+        *out_calling_library_applet = std::make_shared<ILibraryAppletAccessor>(
+            system, reserved_applet->caller_applet_broker, reserved_applet);
+        R_SUCCEED();
+    }
+
     const auto caller_applet = m_applet->caller_applet.lock();
     if (caller_applet == nullptr) {
         LOG_ERROR(Service_AM, "No caller applet available");
@@ -74,22 +88,82 @@ Result IProcessWindingController::PopContext(Out<SharedPointer<IStorage>> out_co
 }
 
 Result IProcessWindingController::CancelWindingReservation() {
-    LOG_WARNING(Service_AM, "STUBBED");
+    LOG_INFO(Service_AM, "called");
+
+    std::scoped_lock lk{m_applet->lock};
+    m_applet->reserved_applet.reset();
+    m_applet->unwind_after_reserved = false;
+
     R_SUCCEED();
 }
 
 Result IProcessWindingController::WindAndDoReserved() {
-    LOG_WARNING(Service_AM, "STUBBED");
+    LOG_INFO(Service_AM, "called");
+
+    std::shared_ptr<Applet> reserved_applet;
+    {
+        std::scoped_lock lk{m_applet->lock};
+
+        reserved_applet = m_applet->reserved_applet;
+        m_applet->display_layer_manager.SetWindowVisibility(false);
+        m_applet->exit_locked = false;
+        system.SetExitLocked(false);
+    }
+
+    if (reserved_applet) {
+        {
+            std::scoped_lock lk{m_applet->lock};
+            m_applet->is_winding = true;
+        }
+
+        {
+            std::scoped_lock lk{reserved_applet->lock};
+            reserved_applet->window_visible = true;
+            reserved_applet->process->Run();
+        }
+
+        if (reserved_applet->frontend) {
+            reserved_applet->frontend->Initialize();
+            reserved_applet->frontend->Execute();
+        }
+    } else {
+        LOG_WARNING(Service_AM, "called without a reserved applet to start");
+    }
+
+    m_applet->process->Terminate();
+
     R_SUCCEED();
 }
 
-Result IProcessWindingController::ReserveToStartAndWaitAndUnwindThis() {
-    LOG_WARNING(Service_AM, "STUBBED");
+Result IProcessWindingController::ReserveToStartAndWaitAndUnwindThis(
+    SharedPointer<ILibraryAppletAccessor> reserved_applet_accessor) {
+    LOG_INFO(Service_AM, "called");
+
+    if (reserved_applet_accessor == nullptr) {
+        LOG_ERROR(Service_AM, "No applet accessor provided");
+        R_THROW(ResultUnknown);
+    }
+
+    std::scoped_lock lk{m_applet->lock};
+    m_applet->reserved_applet = reserved_applet_accessor->GetApplet();
+    m_applet->unwind_after_reserved = true;
+
     R_SUCCEED();
 }
 
-Result IProcessWindingController::ReserveToStartAndWait() {
-    LOG_WARNING(Service_AM, "STUBBED");
+Result IProcessWindingController::ReserveToStartAndWait(
+    SharedPointer<ILibraryAppletAccessor> reserved_applet_accessor) {
+    LOG_INFO(Service_AM, "called");
+
+    if (reserved_applet_accessor == nullptr) {
+        LOG_ERROR(Service_AM, "No applet accessor provided");
+        R_THROW(ResultUnknown);
+    }
+
+    std::scoped_lock lk{m_applet->lock};
+    m_applet->reserved_applet = reserved_applet_accessor->GetApplet();
+    m_applet->unwind_after_reserved = false;
+
     R_SUCCEED();
 }
 

src/core/hle/service/am/service/process_winding_controller.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
@@ -29,8 +29,9 @@ private:
     Result PopContext(Out<SharedPointer<IStorage>> out_context);
     Result CancelWindingReservation();
     Result WindAndDoReserved();
-    Result ReserveToStartAndWaitAndUnwindThis();
-    Result ReserveToStartAndWait();
+    Result ReserveToStartAndWaitAndUnwindThis(
+        SharedPointer<ILibraryAppletAccessor> reserved_applet_accessor);
+    Result ReserveToStartAndWait(SharedPointer<ILibraryAppletAccessor> reserved_applet_accessor);
 
     const std::shared_ptr<Applet> m_applet;
 };

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

@@ -9,6 +9,7 @@
 #include "core/hle/service/am/applet.h"
 #include "core/hle/service/am/applet_manager.h"
 #include "core/hle/service/am/event_observer.h"
+#include "core/hle/service/am/process_creation.h"
 #include "core/hle/service/am/window_system.h"
 
 namespace Service::AM {
@@ -240,6 +241,37 @@ void WindowSystem::PruneTerminatedAppletsLocked() {
             continue;
         }
 
+        // A winding applet has had its own process killed but is kept alive as a transparent slot
+        // while the reserved applet running in its place finishes (see WindAndDoReserved()).
+        if (applet->is_winding) {
+            if (!applet->child_applets.empty()) {
+                it = std::next(it);
+                continue;
+            }
+
+            const bool unwind = applet->unwind_after_reserved;
+            applet->is_winding = false;
+            applet->unwind_after_reserved = false;
+
+            if (unwind && this->RestartAppletProcessLocked(applet.get())) {
+                const u64 new_aruid = applet->aruid.pid;
+                const auto next = std::next(it);
+
+                if (new_aruid != aruid) {
+                    auto node = m_applets.extract(it);
+                    node.key() = new_aruid;
+                    m_applets.insert(std::move(node));
+                }
+
+                applet->process->Run();
+                m_event_observer->RequestUpdate();
+                it = next;
+                continue;
+            }
+
+            applet->reserved_applet.reset();
+        }
+
         // Terminated, so ensure all child applets are terminated.
         if (!applet->child_applets.empty()) {
             this->TerminateChildAppletsLocked(applet.get());
@@ -301,6 +333,28 @@ void WindowSystem::PruneTerminatedAppletsLocked() {
     }
 }
 
+bool WindowSystem::RestartAppletProcessLocked(Applet* applet) {
+    if (!ReinitializeProcess(m_system, *applet->process, applet->program_id)) {
+        LOG_ERROR(Service_AM, "Failed to restart winding applet_id={}",
+                  static_cast<u32>(applet->applet_id));
+        return false;
+    }
+
+    applet->aruid.pid = applet->process->GetProcessId();
+    applet->is_process_running = false;
+    applet->is_completed = false;
+
+    applet->hid_registration.RegisterCurrentProcess();
+
+    applet->lifecycle_manager.ResetForRelaunch();
+    applet->is_activity_runnable = false;
+
+    applet->launch_reason.flag = 1;
+
+    m_event_observer->TrackAppletProcess(*applet);
+    return true;
+}
+
 bool WindowSystem::LockHomeMenuIntoForegroundLocked() {
     // If the home menu is not locked into foreground, then there's nothing to do.
     if (m_home_menu == nullptr || !m_home_menu_foreground_locked) {
@@ -352,6 +406,9 @@ void WindowSystem::UpdateAppletStateLocked(Applet* applet, bool is_foreground, b
     const bool has_obscuring_child_applets = [&] {
         for (const auto& child_applet : applet->child_applets) {
             std::scoped_lock lk2{child_applet->lock};
+            if (child_applet->is_winding) {
+                return true;
+            }
             const auto mode = child_applet->library_applet_mode;
             if (child_applet->is_process_running && child_applet->window_visible &&
                 (mode == LibraryAppletMode::AllForeground ||

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

@@ -61,6 +61,7 @@ public:
 
 private:
     void PruneTerminatedAppletsLocked();
+    bool RestartAppletProcessLocked(Applet* applet);
     bool LockHomeMenuIntoForegroundLocked();
     void TerminateChildAppletsLocked(Applet* applet);
     void UpdateAppletStateLocked(Applet* applet, bool is_foreground, bool overlay_blocking = false);

src/video_core/buffer_cache/buffer_base.h

@@ -109,12 +109,12 @@ public:
         return static_cast<u32>(other_cpu_addr - cpu_addr);
     }
 
-    size_t getLRUID() const noexcept {
-        return lru_id;
+    u64 GetFrameTick() const noexcept {
+        return frame_tick;
     }
 
-    void setLRUID(size_t lru_id_) {
-        lru_id = lru_id_;
+    void SetFrameTick(u64 tick) noexcept {
+        frame_tick = tick;
     }
 
     size_t SizeBytes() const {
@@ -125,7 +125,7 @@ private:
     VAddr cpu_addr = 0;
     BufferFlagBits flags{};
     int stream_score = 0;
-    size_t lru_id = SIZE_MAX;
+    u64 frame_tick = 0;
     size_t size_bytes = 0;
 };
 

src/video_core/buffer_cache/buffer_cache.h

@@ -58,17 +58,22 @@ void BufferCache<P>::RunGarbageCollector() {
     const bool aggressive_gc = total_used_memory >= critical_memory;
     const u64 ticks_to_destroy = aggressive_gc ? 60 : 120;
     int num_iterations = aggressive_gc ? 64 : 32;
-    const auto clean_up = [this, &num_iterations](BufferId buffer_id) {
+    const u64 threshold = frame_tick - ticks_to_destroy;
+    boost::container::small_vector<BufferId, 64> expired;
+    for (auto [id, buffer] : slot_buffers) {
+        if (buffer->GetFrameTick() < threshold) {
+            expired.push_back(id);
+        }
+    }
+    for (const auto buffer_id : expired) {
         if (num_iterations == 0) {
-            return true;
+            break;
         }
         --num_iterations;
         auto& buffer = slot_buffers[buffer_id];
         DownloadBufferMemory(buffer);
         DeleteBuffer(buffer_id);
-        return false;
-    };
-    lru_cache.ForEachItemBelow(frame_tick - ticks_to_destroy, clean_up);
+    }
 }
 
 template <class P>
@@ -1591,10 +1596,9 @@ void BufferCache<P>::ChangeRegister(BufferId buffer_id) {
     const auto size = buffer.SizeBytes();
     if (insert) {
         total_used_memory += Common::AlignUp(size, 1024);
-        buffer.setLRUID(lru_cache.Insert(buffer_id, frame_tick));
+        buffer.SetFrameTick(frame_tick);
     } else {
         total_used_memory -= Common::AlignUp(size, 1024);
-        lru_cache.Free(buffer.getLRUID());
     }
     const DAddr device_addr_begin = buffer.CpuAddr();
     const DAddr device_addr_end = device_addr_begin + size;
@@ -1612,7 +1616,7 @@ void BufferCache<P>::ChangeRegister(BufferId buffer_id) {
 template <class P>
 void BufferCache<P>::TouchBuffer(Buffer& buffer, BufferId buffer_id) noexcept {
     if (buffer_id != NULL_BUFFER_ID) {
-        lru_cache.Touch(buffer.getLRUID(), frame_tick);
+        buffer.SetFrameTick(frame_tick);
     }
 }
 

src/video_core/buffer_cache/buffer_cache_base.h

@@ -23,7 +23,6 @@
 #include "common/common_types.h"
 #include "common/div_ceil.h"
 #include "common/literals.h"
-#include "common/lru_cache.h"
 #include "common/range_sets.h"
 #include "common/scope_exit.h"
 #include "common/settings.h"
@@ -506,11 +505,6 @@ private:
     size_t immediate_buffer_capacity = 0;
     Common::ScratchBuffer<u8> immediate_buffer_alloc;
 
-    struct LRUItemParams {
-        using ObjectType = BufferId;
-        using TickType = u64;
-    };
-    Common::LeastRecentlyUsedCache<LRUItemParams> lru_cache;
     u64 frame_tick = 0;
     u64 total_used_memory = 0;
     u64 minimum_memory = 0;

src/video_core/dma_pusher.cpp

@@ -117,7 +117,35 @@ void DmaPusher::ProcessCommands(std::span<const CommandHeader> commands) {
             dma_state.is_last_call = true;
             index += max_write;
         } else if (dma_state.method_count) {
-            auto const command_header = commands[index]; //can copy
+            if (!dma_state.non_incrementing && !dma_increment_once &&
+                dma_state.method >= non_puller_methods) {
+                auto subchannel = subchannels[dma_state.subchannel];
+                const u32 available = u32(std::min<size_t>(
+                    index + dma_state.method_count, commands.size()) - index);
+                u32 batch = 0;
+                u32 method = dma_state.method;
+                while (batch < available) {
+                    const bool needs_exec =
+                        (method < Engines::EngineInterface::EXECUTION_MASK_TABLE_SIZE)
+                            ? subchannel->execution_mask[method]
+                            : subchannel->execution_mask_default;
+                    if (needs_exec) break;
+                    batch++;
+                    method++;
+                }
+                if (batch > 0) {
+                    auto& sink = subchannel->method_sink;
+                    sink.reserve(sink.size() + batch);
+                    for (u32 j = 0; j < batch; j++) {
+                        sink.emplace_back(dma_state.method + j, commands[index + j].argument);
+                    }
+                    dma_state.method += batch;
+                    dma_state.method_count -= batch;
+                    index += batch;
+                    continue;
+                }
+            }
+            auto const command_header = commands[index];
             dma_state.dma_word_offset = u32(index * sizeof(u32));
             dma_state.is_last_call = dma_state.method_count <= 1;
             CallMethod(command_header.argument);
@@ -176,7 +204,11 @@ void DmaPusher::CallMethod(u32 argument) {
         });
     } else {
         auto subchannel = subchannels[dma_state.subchannel];
-        if (!subchannel->execution_mask[dma_state.method]) {
+        const bool needs_execution =
+            (dma_state.method < Engines::EngineInterface::EXECUTION_MASK_TABLE_SIZE)
+                ? subchannel->execution_mask[dma_state.method]
+                : subchannel->execution_mask_default;
+        if (!needs_execution) {
             subchannel->method_sink.emplace_back(dma_state.method, argument);
         } else {
             subchannel->ConsumeSink(system);

src/video_core/engines/engine_interface.h

@@ -6,9 +6,8 @@
 
 #pragma once
 
-#include <bitset>
-#include <limits>
-#include <vector>
+#include <array>
+#include <boost/container/small_vector.hpp>
 
 #include "common/common_types.h"
 
@@ -43,10 +42,15 @@ public:
         }
     }
 
-    std::bitset<(std::numeric_limits<u16>::max)()> execution_mask{};
-    std::vector<std::pair<u32, u32>> method_sink{};
+    static constexpr size_t EXECUTION_MASK_TABLE_SIZE = 0xE00;
+
+    std::array<u8, EXECUTION_MASK_TABLE_SIZE> execution_mask{};
+    bool execution_mask_default{};
+    boost::container::small_vector<std::pair<u32, u32>, 64> method_sink{};
     GPUVAddr current_dma_segment;
+    /// @brief Indicates whether the current DMA segment is dirty.
     bool current_dirty{};
+
 protected:
     virtual void ConsumeSinkImpl(Core::System& system) {
         for (auto [method, value] : method_sink) {

src/video_core/engines/fermi_2d.cpp

@@ -26,7 +26,7 @@ Fermi2D::Fermi2D(MemoryManager& memory_manager_) : memory_manager{memory_manager
     regs.src.depth = 1;
     regs.dst.depth = 1;
 
-    execution_mask.reset();
+    execution_mask.fill(0);
     execution_mask[FERMI2D_REG_INDEX(pixels_from_memory.src_y0) + 1] = true;
 }
 

src/video_core/engines/kepler_compute.cpp

@@ -20,7 +20,7 @@ KeplerCompute::KeplerCompute(MemoryManager& memory_manager_)
     : memory_manager{memory_manager_}
     , upload_state{memory_manager, regs.upload}
 {
-    execution_mask.reset();
+    execution_mask.fill(0);
     execution_mask[KEPLER_COMPUTE_REG_INDEX(exec_upload)] = true;
     execution_mask[KEPLER_COMPUTE_REG_INDEX(data_upload)] = true;
     execution_mask[KEPLER_COMPUTE_REG_INDEX(launch)] = true;

src/video_core/engines/kepler_memory.cpp

@@ -23,7 +23,7 @@ KeplerMemory::~KeplerMemory() = default;
 void KeplerMemory::BindRasterizer(VideoCore::RasterizerInterface* rasterizer_) {
     upload_state.BindRasterizer(rasterizer_);
 
-    execution_mask.reset();
+    execution_mask.fill(0);
     execution_mask[KEPLERMEMORY_REG_INDEX(exec)] = true;
     execution_mask[KEPLERMEMORY_REG_INDEX(data)] = true;
 }

src/video_core/engines/maxwell_3d.cpp

@@ -4,8 +4,14 @@
 // SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
+#include <algorithm>
 #include <cstring>
 #include <optional>
+
+#if defined(_MSC_VER) && !defined(__clang__)
+#include <intrin.h>
+#endif
+
 #include "common/assert.h"
 #include "common/bit_util.h"
 #include "common/scope_exit.h"
@@ -22,6 +28,16 @@
 
 namespace Tegra::Engines {
 
+namespace {
+inline void PrefetchLine(const void* addr) {
+#if defined(_MSC_VER) && !defined(__clang__)
+    _mm_prefetch(static_cast<const char*>(addr), _MM_HINT_T0);
+#else
+    __builtin_prefetch(addr, 0, 1);
+#endif
+}
+} // namespace
+
 /// First register id that is actually a Macro call.
 constexpr u32 MacroRegistersStart = 0xE00;
 
@@ -37,9 +53,10 @@ Maxwell3D::Maxwell3D(MemoryManager& memory_manager_)
 {
     dirty.flags.flip();
     InitializeRegisterDefaults();
-    execution_mask.reset();
-    for (size_t i = 0; i < execution_mask.size(); i++)
+    execution_mask.fill(0);
+    for (size_t i = 0; i < EXECUTION_MASK_TABLE_SIZE; i++)
         execution_mask[i] = IsMethodExecutable(u32(i));
+    execution_mask_default = true;
 }
 
 Maxwell3D::~Maxwell3D() = default;
@@ -282,18 +299,44 @@ u32 Maxwell3D::ProcessShadowRam(u32 method, u32 argument) {
 }
 
 void Maxwell3D::ConsumeSinkImpl(Core::System& system) {
+    std::stable_sort(method_sink.begin(), method_sink.end(),
+                     [](const auto& a, const auto& b) { return a.first < b.first; });
+
+    const auto sink_size = method_sink.size();
     const auto control = shadow_state.shadow_ram_control;
     if (control == Regs::ShadowRamControl::Track || control == Regs::ShadowRamControl::TrackWithFilter) {
-        for (auto [method, value] : method_sink) {
+        for (size_t i = 0; i < sink_size; ++i) {
+            const auto [method, value] = method_sink[i];
+            if (i + 1 < sink_size) {
+                const u32 next = method_sink[i + 1].first;
+                PrefetchLine(&regs.reg_array[next]);
+                PrefetchLine(&shadow_state.reg_array[next]);
+                PrefetchLine(&dirty.tables[0][next]);
+            }
             shadow_state.reg_array[method] = value;
             ProcessDirtyRegisters(method, value);
         }
     } else if (control == Regs::ShadowRamControl::Replay) {
-        for (auto [method, value] : method_sink)
+        for (size_t i = 0; i < sink_size; ++i) {
+            const auto [method, value] = method_sink[i];
+            if (i + 1 < sink_size) {
+                const u32 next = method_sink[i + 1].first;
+                PrefetchLine(&regs.reg_array[next]);
+                PrefetchLine(&shadow_state.reg_array[next]);
+                PrefetchLine(&dirty.tables[0][next]);
+            }
             ProcessDirtyRegisters(method, shadow_state.reg_array[method]);
+        }
     } else {
-        for (auto [method, value] : method_sink)
+        for (size_t i = 0; i < sink_size; ++i) {
+            const auto [method, value] = method_sink[i];
+            if (i + 1 < sink_size) {
+                const u32 next = method_sink[i + 1].first;
+                PrefetchLine(&regs.reg_array[next]);
+                PrefetchLine(&dirty.tables[0][next]);
+            }
             ProcessDirtyRegisters(method, value);
+        }
     }
     method_sink.clear();
 }

src/video_core/engines/maxwell_dma.cpp

@@ -24,7 +24,7 @@ using namespace Texture;
 MaxwellDMA::MaxwellDMA(MemoryManager& memory_manager_)
     : memory_manager{memory_manager_}
 {
-    execution_mask.reset();
+    execution_mask.fill(0);
     execution_mask[offsetof(Regs, launch_dma) / sizeof(u32)] = true;
 }
 

src/video_core/query_cache/query_cache.h

@@ -287,6 +287,7 @@ void QueryCacheBase<Traits>::CounterReport(GPUVAddr addr, QueryType counter_type
             u32 value = static_cast<u32>(query_base->value);
             std::memcpy(pointer, &value, sizeof(value));
         }
+        query_base->flags |= QueryFlagBits::IsGuestSynced;
         if (!is_synced) [[likely]] {
             impl->pending_unregister.push_back(query_location);
         }
@@ -569,10 +570,12 @@ bool QueryCacheBase<Traits>::SemiFlushQueryDirty(QueryCacheBase<Traits>::QueryLo
         auto* ptr = impl->device_memory.template GetPointer<u8>(query_base->guest_address);
         if (True(query_base->flags & QueryFlagBits::HasTimestamp)) {
             std::memcpy(ptr, &query_base->value, sizeof(query_base->value));
+            query_base->flags |= QueryFlagBits::IsGuestSynced;
             return false;
         }
         u32 value_l = static_cast<u32>(query_base->value);
         std::memcpy(ptr, &value_l, sizeof(value_l));
+        query_base->flags |= QueryFlagBits::IsGuestSynced;
         return false;
     }
     return True(query_base->flags & QueryFlagBits::IsHostManaged) &&

src/video_core/renderer_vulkan/fixed_pipeline_state.cpp

@@ -62,6 +62,7 @@ void FixedPipelineState::Refresh(Tegra::Engines::Maxwell3D& maxwell3d, DynamicFe
     extended_dynamic_state_2_logic_op.Assign(features.has_extended_dynamic_state_2_logic_op ? 1 : 0);
     extended_dynamic_state_3_blend.Assign(features.has_extended_dynamic_state_3_blend ? 1 : 0);
     extended_dynamic_state_3_enables.Assign(features.has_extended_dynamic_state_3_enables ? 1 : 0);
+    dynamic_state3_depth_clamp_enable.Assign(features.has_dynamic_state3_depth_clamp_enable ? 1 : 0);
     dynamic_vertex_input.Assign(features.has_dynamic_vertex_input ? 1 : 0);
     xfb_enabled.Assign(regs.transform_feedback_enabled != 0);
     ndc_minus_one_to_one.Assign(regs.depth_mode == Maxwell::DepthMode::MinusOneToOne ? 1 : 0);

src/video_core/renderer_vulkan/fixed_pipeline_state.h

@@ -208,6 +208,7 @@ struct FixedPipelineState {
         BitField<12, 2, u32> tessellation_spacing;
         BitField<14, 1, u32> tessellation_clockwise;
         BitField<15, 5, u32> patch_control_points_minus_one;
+        BitField<20, 1, u32> dynamic_state3_depth_clamp_enable;
 
         BitField<24, 4, Maxwell::PrimitiveTopology> topology;
         BitField<28, 4, Tegra::Texture::MsaaMode> msaa_mode;

src/video_core/renderer_vulkan/vk_graphics_pipeline.cpp

@@ -907,7 +907,7 @@ void GraphicsPipeline::MakePipeline(VkRenderPass render_pass) {
 
     // EDS3 - Enables (composite: per-feature)
     if (key.state.extended_dynamic_state_3_enables) {
-        if (device.SupportsDynamicState3DepthClampEnable()) {
+        if (key.state.dynamic_state3_depth_clamp_enable != 0) {
             dynamic_states.push_back(VK_DYNAMIC_STATE_DEPTH_CLAMP_ENABLE_EXT);
         }
         if (device.SupportsDynamicState3LogicOpEnable()) {

src/video_core/renderer_vulkan/vk_pipeline_cache.cpp

@@ -492,7 +492,9 @@ PipelineCache::PipelineCache(Tegra::MaxwellDeviceMemoryManager& device_memory_,
         device.IsExtExtendedDynamicState3BlendingSupported();
     dynamic_features.has_extended_dynamic_state_3_enables =
         device.IsExtExtendedDynamicState3EnablesSupported();
-    dynamic_features.has_dynamic_state3_depth_clamp_enable = false;
+    dynamic_features.has_dynamic_state3_depth_clamp_enable =
+        dynamic_features.has_extended_dynamic_state_3_enables &&
+        device.SupportsDynamicState3DepthClampEnable();
     dynamic_features.has_dynamic_state3_logic_op_enable =
         device.SupportsDynamicState3LogicOpEnable();
     dynamic_features.has_dynamic_state3_line_stipple_enable =

src/video_core/renderer_vulkan/vk_pipeline_cache.h

@@ -113,6 +113,10 @@ public:
 
     [[nodiscard]] ComputePipeline* CurrentComputePipeline();
 
+    [[nodiscard]] bool SupportsDynamicState3DepthClampEnable() const {
+        return dynamic_features.has_dynamic_state3_depth_clamp_enable;
+    }
+
     void LoadDiskResources(u64 title_id, std::stop_token stop_loading,
                            const VideoCore::DiskResourceLoadCallback& callback);
 

src/video_core/renderer_vulkan/vk_query_cache.cpp

@@ -218,8 +218,7 @@ public:
         }
         PauseCounter();
         const auto driver_id = device.GetDriverID();
-        if (driver_id == VK_DRIVER_ID_QUALCOMM_PROPRIETARY ||
-            driver_id == VK_DRIVER_ID_ARM_PROPRIETARY || driver_id == VK_DRIVER_ID_MESA_TURNIP) {
+        if (driver_id == VK_DRIVER_ID_ARM_PROPRIETARY || driver_id == VK_DRIVER_ID_MESA_TURNIP) {
             pending_sync.clear();
             sync_values_stash.clear();
             return;

src/video_core/renderer_vulkan/vk_rasterizer.cpp

@@ -1578,7 +1578,7 @@ void RasterizerVulkan::UpdateDepthClampEnable(Tegra::Engines::Maxwell3D::Regs& r
     if (!state_tracker.TouchDepthClampEnable()) {
         return;
     }
-    if (!device.SupportsDynamicState3DepthClampEnable()) {
+    if (!pipeline_cache.SupportsDynamicState3DepthClampEnable()) {
         return;
     }
     bool is_enabled = !(regs.viewport_clip_control.geometry_clip ==

src/video_core/renderer_vulkan/vk_scheduler.h

@@ -6,6 +6,7 @@
 
 #pragma once
 
+#include <atomic>
 #include <condition_variable>
 #include <cstddef>
 #include <functional>
@@ -92,10 +93,12 @@ public:
         requires std::is_invocable_v<T, vk::CommandBuffer, vk::CommandBuffer>
     void RecordWithUploadBuffer(T&& command) {
         if (chunk->Record(command)) {
+            record_serial.fetch_add(1, std::memory_order_relaxed);
             return;
         }
         DispatchWork();
         (void)chunk->Record(command);
+        record_serial.fetch_add(1, std::memory_order_relaxed);
     }
 
     template <typename T>
@@ -117,6 +120,11 @@ public:
         return master_semaphore->IsFree(tick);
     }
 
+    /// Returns a monotonic serial incremented for every recorded command callback.
+    [[nodiscard]] u64 CurrentRecordSerial() const noexcept {
+        return record_serial.load(std::memory_order_relaxed);
+    }
+
     /// Waits for the given GPU tick, optionally pacing frames.
     void Wait(u64 tick, double target_fps = 0.0) {
         if (tick > 0) {
@@ -298,6 +306,7 @@ private:
     u64 frame_counter{};
 
     u64 last_submitted_tick = 0;
+    std::atomic<u64> record_serial{0};
 };
 
 } // namespace Vulkan

src/video_core/texture_cache/image_base.h

@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 // SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -102,7 +105,7 @@ struct ImageBase {
     VAddr cpu_addr_end = 0;
 
     u64 modification_tick = 0;
-    size_t lru_index = SIZE_MAX;
+    u64 last_use_tick = 0;
 
     std::array<u32, MAX_MIP_LEVELS> mip_level_offsets{};
 

src/video_core/texture_cache/texture_cache.h

@@ -159,11 +159,54 @@ void TextureCache<P>::RunGarbageCollector() {
         }
         return false;
     };
+
+    const auto CollectBelow = [this](u64 threshold) {
+        boost::container::small_vector<ImageId, 64> expired;
+        for (auto [id, image] : slot_images) {
+            if (image->last_use_tick < threshold) {
+                expired.push_back(id);
+            }
+        }
+        return expired;
+    };
+
+    // Aggressively clear massive sparse textures
+    if (total_used_memory >= expected_memory) {
+        auto candidates = CollectBelow(frame_tick);
+        for (const auto image_id : candidates) {
+            auto& image = slot_images[image_id];
+            if (image.info.is_sparse &&
+                image.guest_size_bytes >= 256_MiB &&
+                image.allocation_tick < frame_tick - 3) {
+                LOG_DEBUG(HW_GPU, "GC targeting old sparse texture at 0x{:X} ({} MiB, age: {} frames)",
+                         image.gpu_addr, image.guest_size_bytes / (1024 * 1024),
+                         frame_tick - image.allocation_tick);
+                if (Cleanup(image_id)) {
+                    break;
+                }
+            }
+        }
+    }
+
     Configure(false);
-    lru_cache.ForEachItemBelow(frame_tick - ticks_to_destroy, Cleanup);
+    {
+        auto expired = CollectBelow(frame_tick - ticks_to_destroy);
+        for (const auto image_id : expired) {
+            if (Cleanup(image_id)) {
+                break;
+            }
+        }
+    }
+
+    // If pressure is still too high, prune aggressively.
     if (total_used_memory >= critical_memory) {
         Configure(true);
-        lru_cache.ForEachItemBelow(frame_tick - ticks_to_destroy, Cleanup);
+        auto expired = CollectBelow(frame_tick - ticks_to_destroy);
+        for (const auto image_id : expired) {
+            if (Cleanup(image_id)) {
+                break;
+            }
+        }
     }
 }
 
@@ -1865,7 +1908,7 @@ std::pair<u32, u32> TextureCache<P>::PrepareDmaImage(ImageId dst_id, GPUVAddr ba
     const auto base = image.TryFindBase(base_addr);
     PrepareImage(dst_id, mark_as_modified, false);
     const auto& new_image = slot_images[dst_id];
-    lru_cache.Touch(new_image.lru_index, frame_tick);
+    new_image.last_use_tick = frame_tick;
     return std::make_pair(base->level, base->layer);
 }
 
@@ -2192,7 +2235,7 @@ void TextureCache<P>::RegisterImage(ImageId image_id) {
         tentative_size = TranscodedAstcSize(tentative_size, image.info.format);
     }
     total_used_memory += Common::AlignUp(tentative_size, 1024);
-    image.lru_index = lru_cache.Insert(image_id, frame_tick);
+    image.last_use_tick = frame_tick;
 
     ForEachGPUPage(image.gpu_addr, image.guest_size_bytes, [this, image_id](u64 page) {
         (*channel_state->gpu_page_table)[page].push_back(image_id);
@@ -2226,7 +2269,7 @@ void TextureCache<P>::UnregisterImage(ImageId image_id) {
                "Trying to unregister an already registered image");
     image.flags &= ~ImageFlagBits::Registered;
     image.flags &= ~ImageFlagBits::BadOverlap;
-    lru_cache.Free(image.lru_index);
+
     const auto& clear_page_table =
         [image_id](u64 page, ankerl::unordered_dense::map<u64, std::vector<ImageId>, Common::IdentityHash<u64>>& selected_page_table) {
             const auto page_it = selected_page_table.find(page);
@@ -2554,7 +2597,7 @@ void TextureCache<P>::PrepareImage(ImageId image_id, bool is_modification, bool
     if (is_modification) {
         MarkModification(image);
     }
-    lru_cache.Touch(image.lru_index, frame_tick);
+    image.last_use_tick = frame_tick;
 }
 
 template <class P>

src/video_core/texture_cache/texture_cache_base.h

@@ -23,7 +23,7 @@
 #include "common/common_types.h"
 #include "common/hash.h"
 #include "common/literals.h"
-#include "common/lru_cache.h"
+
 #include <ranges>
 #include "common/scratch_buffer.h"
 #include "common/slot_vector.h"
@@ -485,11 +485,7 @@ private:
     std::deque<std::vector<AsyncBuffer>> async_buffers;
     std::deque<AsyncBuffer> async_buffers_death_ring;
 
-    struct LRUItemParams {
-        using ObjectType = ImageId;
-        using TickType = u64;
-    };
-    Common::LeastRecentlyUsedCache<LRUItemParams> lru_cache;
+
 
  #ifdef YUZU_LEGACY
     static constexpr size_t TICKS_TO_DESTROY = 6;