gg

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

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,5 @@
+- [ ] I have read and followed the [Contribution Guidelines](https://git.eden-emu.dev/eden-emu/eden/src/branch/master/CONTRIBUTING.md#code-contributions).
+- [ ] I have read and followed the [AI Policy](https://git.eden-emu.dev/eden-emu/eden/src/branch/master/docs/policies/AI.md)
+- [ ] I have read and followed the [Coding Guidelines](https://git.eden-emu.dev/eden-emu/eden/src/branch/master/docs/policies/Coding.md) to the best of my ability.
+
+-------------------

src/android/app/build.gradle.kts

@@ -65,7 +65,7 @@ android {
 
     defaultConfig {
         applicationId = "dev.eden.eden_emulator"
-        minSdk = 33
+        minSdk = 24
         targetSdk = 36
         versionName = getGitVersion()
         versionCode = autoVersion

src/android/app/src/main/java/org/yuzu/yuzu_emu/NativeLibrary.kt

@@ -218,8 +218,6 @@ object NativeLibrary {
 
     external fun logSettings()
 
-    external fun refreshThreadPolicies()
-
     external fun getDebugKnobAt(index: Int): Boolean
 
     /**

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

@@ -27,7 +27,6 @@ enum class BooleanSetting(override val key: String) : AbstractBooleanSetting {
     RENDERER_ASYNCHRONOUS_GPU_EMULATION("use_asynchronous_gpu_emulation"),
     RENDERER_ASYNC_PRESENTATION("async_presentation"),
     RENDERER_ASYNCHRONOUS_SHADERS("use_asynchronous_shaders"),
-    RENDERER_UNIFIED_MEMORY("use_unified_memory"),
     RENDERER_REACTIVE_FLUSHING("use_reactive_flushing"),
     ENABLE_BUFFER_HISTORY("enable_buffer_history"),
     USE_OPTIMIZED_VERTEX_BUFFERS("use_optimized_vertex_buffers"),
@@ -37,8 +36,6 @@ enum class BooleanSetting(override val key: String) : AbstractBooleanSetting {
     RENDERER_DEBUG("debug"),
     RENDERER_PATCH_OLD_QCOM_DRIVERS("patch_old_qcom_drivers"),
     RENDERER_VERTEX_INPUT_DYNAMIC_STATE("vertex_input_dynamic_state"),
-    RENDERER_DYNAMIC_RENDERING("dynamic_rendering"),
-    RENDERER_WORKGROUP_MEMORY_EXPLICIT_LAYOUT("workgroup_memory_explicit_layout"),
     RENDERER_SAMPLE_SHADING("sample_shading"),
     GPU_UNSWIZZLE_ENABLED("gpu_unswizzle_enabled"),
     PICTURE_IN_PICTURE("picture_in_picture"),

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

@@ -155,20 +155,6 @@ abstract class SettingsItem(
                     descriptionId = R.string.vertex_input_dynamic_state_description
                 )
             )
-            put(
-                SwitchSetting(
-                    BooleanSetting.RENDERER_DYNAMIC_RENDERING,
-                    titleId = R.string.dynamic_rendering,
-                    descriptionId = R.string.dynamic_rendering_description
-                )
-            )
-            put(
-                SwitchSetting(
-                    BooleanSetting.RENDERER_WORKGROUP_MEMORY_EXPLICIT_LAYOUT,
-                    titleId = R.string.workgroup_memory_explicit_layout,
-                    descriptionId = R.string.workgroup_memory_explicit_layout_description
-                )
-            )
             put(
                 SliderSetting(
                     IntSetting.RENDERER_SAMPLE_SHADING,
@@ -608,7 +594,7 @@ abstract class SettingsItem(
                     IntSetting.ANDROID_PIPELINE_WORKERS,
                     titleId = R.string.pipeline_worker_cores,
                     descriptionId = R.string.pipeline_worker_cores_description,
-                    min = 2,
+                    min = 4,
                     max = 8,
                     units = "cores"
                 )
@@ -699,13 +685,6 @@ abstract class SettingsItem(
                     descriptionId = R.string.renderer_asynchronous_shaders_description
                 )
             )
-            put(
-                SwitchSetting(
-                    BooleanSetting.RENDERER_UNIFIED_MEMORY,
-                    titleId = R.string.renderer_unified_memory,
-                    descriptionId = R.string.renderer_unified_memory_description
-                )
-            )
             put(
                 SingleChoiceSetting(
                     IntSetting.FAST_GPU_TIME,

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

@@ -304,7 +304,6 @@ class SettingsFragmentPresenter(
             add(BooleanSetting.EMULATE_BGR565.key)
             add(BooleanSetting.RESCALE_HACK.key)
             add(BooleanSetting.RENDERER_ASYNCHRONOUS_SHADERS.key)
-            add(BooleanSetting.RENDERER_UNIFIED_MEMORY.key)
             add(IntSetting.ANDROID_PIPELINE_WORKERS.key)
             add(BooleanSetting.RENDERER_ASYNCHRONOUS_GPU_EMULATION.key)
             add(BooleanSetting.RENDERER_ASYNC_PRESENTATION.key)
@@ -314,8 +313,6 @@ class SettingsFragmentPresenter(
 
             add(IntSetting.RENDERER_DYNA_STATE.key)
             add(BooleanSetting.RENDERER_VERTEX_INPUT_DYNAMIC_STATE.key)
-            add(BooleanSetting.RENDERER_DYNAMIC_RENDERING.key)
-            add(BooleanSetting.RENDERER_WORKGROUP_MEMORY_EXPLICIT_LAYOUT.key)
             add(IntSetting.RENDERER_SAMPLE_SHADING.key)
 
             add(HeaderSetting(R.string.display))

src/android/app/src/main/java/org/yuzu/yuzu_emu/fragments/EmulationFragment.kt

@@ -1451,7 +1451,6 @@ class EmulationFragment : Fragment(), SurfaceHolder.Callback {
 
     override fun onResume() {
         super.onResume()
-        NativeLibrary.refreshThreadPolicies()
         val b = _binding ?: return
         updateStatsPosition(IntSetting.PERF_OVERLAY_POSITION.getInt())
         updateSocPosition(IntSetting.SOC_OVERLAY_POSITION.getInt())

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

@@ -147,6 +147,13 @@ namespace AndroidSettings {
                                                       &show_performance_overlay};
 
 
+        Settings::Setting<s32> pipeline_worker_count{linkage, 4, "pipeline_worker_count",
+                                 Settings::Category::Android,
+                                 Settings::Specialization::Default,
+                                 true,
+                                 true};
+
+
         Settings::Setting<bool> show_input_overlay{linkage, true, "show_input_overlay",
                                                    Settings::Category::Overlay};
         Settings::Setting<bool> overlay_snap_to_grid{linkage, false, "overlay_snap_to_grid",

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

@@ -50,7 +50,6 @@ extern "C" {
 #include "common/scope_exit.h"
 #include "common/settings.h"
 #include "common/string_util.h"
-#include "common/thread.h"
 #include "frontend_common/play_time_manager.h"
 #include "core/constants.h"
 #include "core/core.h"
@@ -1183,10 +1182,6 @@ void Java_org_yuzu_yuzu_1emu_NativeLibrary_logSettings(JNIEnv* env, jobject jobj
     Settings::LogSettings();
 }
 
-void Java_org_yuzu_yuzu_1emu_NativeLibrary_refreshThreadPolicies(JNIEnv* env, jobject jobj) {
-    Common::RefreshThreadPolicies();
-}
-
 jboolean Java_org_yuzu_yuzu_1emu_NativeLibrary_getDebugKnobAt(JNIEnv* env, jobject jobj, jint index) {
     return static_cast<jboolean>(Settings::getDebugKnobAt(static_cast<u8>(index)));
 }

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

@@ -1000,7 +1000,6 @@
 
     <!-- Renderer Accuracy -->
     <string name="renderer_accuracy_low">سريع</string>
-    <string name="renderer_accuracy_medium">متوازن</string>
     <string name="renderer_accuracy_high">دقيق</string>
 
     <!-- DMA Accuracy -->

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

@@ -707,7 +707,6 @@
 
     <!-- Renderer Accuracy -->
     <string name="renderer_accuracy_low">Rychlý</string>
-    <string name="renderer_accuracy_medium">Vyvážený</string>
     <string name="renderer_accuracy_high">Přesný</string>
 
     <!-- DMA Accuracy -->

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

@@ -927,7 +927,6 @@ Wirklich fortfahren?</string>
 
     <!-- Renderer Accuracy -->
     <string name="renderer_accuracy_low">Schnell</string>
-    <string name="renderer_accuracy_medium">Ausgeglichen</string>
     <string name="renderer_accuracy_high">Genau</string>
 
     <!-- DMA Accuracy -->

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

@@ -993,7 +993,6 @@
 
     <!-- Renderer Accuracy -->
     <string name="renderer_accuracy_low">Rápido</string>
-    <string name="renderer_accuracy_medium">Equilibrado</string>
     <string name="renderer_accuracy_high">Preciso</string>
 
     <!-- DMA Accuracy -->

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

@@ -939,7 +939,6 @@
 
     <!-- Renderer Accuracy -->
     <string name="renderer_accuracy_low">Rapide</string>
-    <string name="renderer_accuracy_medium">Moyen</string>
     <string name="renderer_accuracy_high">Précis</string>
 
     <!-- DMA Accuracy -->

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

@@ -893,7 +893,6 @@
 
     <!-- Renderer Accuracy -->
     <string name="renderer_accuracy_low">Szybkie</string>
-    <string name="renderer_accuracy_medium">Zrównoważony</string>
     <string name="renderer_accuracy_high">Dokładny</string>
 
     <!-- DMA Accuracy -->

src/android/app/src/main/res/values-pt-rBR/strings.xml

@@ -840,7 +840,6 @@
 
     <string name="renderer_none">Nenhum</string>
 
-    <string name="renderer_accuracy_medium">Média</string>
     <string name="renderer_accuracy_high">Alta</string>
 
     <!-- DMA Accuracy -->

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

@@ -983,7 +983,6 @@
 
     <!-- Renderer Accuracy -->
     <string name="renderer_accuracy_low">Быстрый</string>
-    <string name="renderer_accuracy_medium">Сбалансированный</string>
     <string name="renderer_accuracy_high">Точный</string>
 
     <!-- DMA Accuracy -->

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

@@ -986,7 +986,6 @@
 
     <!-- Renderer Accuracy -->
     <string name="renderer_accuracy_low">Швидко</string>
-    <string name="renderer_accuracy_medium">Збалансовано</string>
     <string name="renderer_accuracy_high">Точно</string>
 
     <!-- DMA Accuracy -->

src/android/app/src/main/res/values-zh-rCN/strings.xml

@@ -990,7 +990,6 @@
 
     <!-- Renderer Accuracy -->
     <string name="renderer_accuracy_low">快速</string>
-    <string name="renderer_accuracy_medium">均衡</string>
     <string name="renderer_accuracy_high">精确</string>
 
     <!-- DMA Accuracy -->

src/android/app/src/main/res/values-zh-rTW/strings.xml

@@ -843,7 +843,6 @@
 
     <string name="renderer_none">無</string>
 
-    <string name="renderer_accuracy_medium">平衡</string>
     <string name="renderer_accuracy_high">準確</string>
 
     <!-- DMA Accuracy -->

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

@@ -103,14 +103,12 @@
 
     <string-array name="rendererAccuracyNames">
         <item>@string/renderer_accuracy_low</item>
-        <item>@string/renderer_accuracy_medium</item>
         <item>@string/renderer_accuracy_high</item>
     </string-array>
 
     <integer-array name="rendererAccuracyValues">
         <item>0</item>
         <item>1</item>
-        <item>2</item>
     </integer-array>
 
     <!-- VRAM USAGE MODE CHOICES -->

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

@@ -479,7 +479,7 @@
     <string name="advanced">Advanced</string>
 
     <string name="renderer_accuracy">GPU Mode</string>
-    <string name="renderer_accuracy_description">Controls the GPU emulation mode. Most games render fine with Fast or Balanced modes, but Accurate is still required for some. Particles tend to only render correctly with Accurate mode.</string>
+    <string name="renderer_accuracy_description">Controls the GPU emulation mode. Most games render fine with Fast, but Accurate is still required for some. Particles tend to only render correctly with Accurate mode.</string>
     <string name="dma_accuracy">DMA Accuracy</string>
     <string name="dma_accuracy_description">Controls the DMA precision accuracy. Safe precision can fix issues in some games, but it can also impact performance in some cases. If unsure, leave this on Default.</string>
     <string name="gpu_fence_behavior">GPU Fence Behavior</string>
@@ -524,8 +524,6 @@
     <string name="rescale_hack_description">Enables a legacy handling for the rescale configuration pass for games by using a quick rescale path</string>
     <string name="renderer_asynchronous_shaders">Use asynchronous shaders</string>
     <string name="renderer_asynchronous_shaders_description">Compiles shaders asynchronously. This may reduce stutters but may also introduce glitches.</string>
-    <string name="renderer_unified_memory">Unified memory access (UMA)</string>
-    <string name="renderer_unified_memory_description">Allows GPU write buffer readbacks directly into guest memory, skipping the CPU staging copy.</string>
     <string name="gpu_unswizzle_settings">GPU Unswizzle Settings</string>
     <string name="gpu_unswizzle_settings_description">Configure GPU-based texture unswizzling parameters or disable it entirely. Adjust these settings to balance performance and texture loading quality.</string>
     <string name="gpu_unswizzle_enable">Enable GPU Unswizzle</string>
@@ -546,10 +544,6 @@
     <string name="disabled">Disabled</string>
     <string name="vertex_input_dynamic_state">Vertex Input Dynamic State</string>
     <string name="vertex_input_dynamic_state_description">Enabling this feature allows for more flexible vertex input handling, potentially reducing pipeline compilation time in vertex/buffer.</string>
-    <string name="dynamic_rendering">Dynamic Rendering</string>
-    <string name="dynamic_rendering_description">Render without render pass and framebuffer objects. Results vary by driver: some gain performance, others lose it.</string>
-    <string name="workgroup_memory_explicit_layout">Workgroup Memory Explicit Layout</string>
-    <string name="workgroup_memory_explicit_layout_description">Let shaders declare explicit layouts for workgroup memory. Disabled by default: some Qualcomm drivers are unstable with it.</string>
     <string name="sample_shading_fraction">Sample Shading</string>
     <string name="sample_shading_fraction_description">Allows the fragment shader to execute per sample in a multi-sampled fragment instead once per fragment. Improves graphics quality at the cost of some performance.</string>
 
@@ -1045,7 +1039,6 @@
 
     <!-- Renderer Accuracy -->
     <string name="renderer_accuracy_low">Fast</string>
-    <string name="renderer_accuracy_medium">Balanced</string>
     <string name="renderer_accuracy_high">Accurate</string>
 
     <!-- DMA Accuracy -->

src/common/fs/path_util.cpp

@@ -476,6 +476,29 @@ std::string SanitizePath(std::string_view path_, DirectorySeparator directory_se
     path.erase(std::unique(start, path.end(),
                            [type2](char c1, char c2) { return c1 == type2 && c2 == type2; }),
                path.end());
+
+    const bool absolute = !path.empty() && path[0] == type2;
+    std::vector<std::string_view> parts;
+
+    for (const auto part : SplitPathComponents(path))
+    {
+        if (part.empty() || part == ".")
+            continue;
+        if (part == ".." && !parts.empty() && parts.back() != "..")
+            parts.pop_back();
+        else if (part != "..") parts.push_back(part);
+    }
+
+    std::string resolved = absolute ? std::string(1, type2) : std::string{};
+    for (std::size_t i = 0; i < parts.size(); ++i)
+    {
+        if (i != 0)
+            resolved += type2;
+        resolved.append(parts[i].data(), parts[i].size());
+    }
+
+    path = std::move(resolved);
+
     return std::string(RemoveTrailingSlash(path));
 }
 

src/common/host_memory.cpp

@@ -51,45 +51,14 @@
 
 #endif // ^^^ POSIX ^^^
 
-#include <atomic>
 #include <mutex>
 #include <random>
-#include <vector>
 
 #include "common/alignment.h"
 #include "common/assert.h"
 #include "common/free_region_manager.h"
 #include "common/host_memory.h"
 #include "common/logging.h"
-#include "common/memory_detect.h"
-#include "common/settings.h"
-
-#ifdef __ANDROID__
-#include <dlfcn.h>
-#include <android/hardware_buffer.h>
-
-namespace {
-
-struct NativeHandle {
-    int version;
-    int numFds;
-    int numInts;
-    int data[1];
-};
-
-using PFN_AHardwareBuffer_getNativeHandle = const NativeHandle* (*)(const AHardwareBuffer*);
-
-PFN_AHardwareBuffer_getNativeHandle ResolveGetNativeHandle() {
-    void* const lib = dlopen("libnativewindow.so", RTLD_NOW);
-    if (lib == nullptr) {
-        return nullptr;
-    }
-    return reinterpret_cast<PFN_AHardwareBuffer_getNativeHandle>(
-        dlsym(lib, "AHardwareBuffer_getNativeHandle"));
-}
-
-} // namespace
-#endif
 
 #if defined(__ANDROID__) && __ANDROID_API__ < 30
 #include <sys/syscall.h>
@@ -106,12 +75,6 @@ namespace Common {
 [[maybe_unused]] constexpr size_t PageAlignment = 0x1000;
 [[maybe_unused]] constexpr size_t HugePageSize = 0x200000;
 
-static std::atomic<u64> committed_backing_size{};
-
-u64 GetCommittedBackingSize() noexcept {
-    return committed_backing_size.load(std::memory_order_relaxed);
-}
-
 #ifdef _WIN32
 
 // Manually imported for MinGW compatibility
@@ -160,7 +123,7 @@ static void GetFuncAddress(Common::DynamicLibrary& dll, const char* name, T& pfn
 
 class HostMemory::Impl {
 public:
-    explicit Impl(size_t backing_size_, size_t virtual_size_, size_t)
+    explicit Impl(size_t backing_size_, size_t virtual_size_)
         : backing_size{backing_size_}
         , virtual_size{virtual_size_}
         , process{GetCurrentProcess()}
@@ -266,10 +229,6 @@ public:
         UNREACHABLE();
     }
 
-    bool IsBackingShared() const noexcept {
-        return true;
-    }
-
     const size_t backing_size; ///< Size of the backing memory in bytes
     const size_t virtual_size; ///< Size of the virtual address placeholder in bytes
 
@@ -542,10 +501,9 @@ static int shm_open_anon(int flags, mode_t mode) {
 
 class HostMemory::Impl {
 public:
-    explicit Impl(size_t backing_size_, size_t virtual_size_, size_t preferred_offset_)
+    explicit Impl(size_t backing_size_, size_t virtual_size_)
         : backing_size{backing_size_}
         , virtual_size{virtual_size_}
-        , preferred_offset{preferred_offset_}
     {}
 
     bool Init() {
@@ -585,15 +543,10 @@ public:
             LOG_WARNING(Common_Memory, "Using private mappings instead of shared ones");
             backing_base = static_cast<u8*>(mmap(nullptr, backing_size, PROT_READ | PROT_WRITE, MAP_ANONYMOUS | MAP_PRIVATE, -1, 0));
             if (fd > 0) {
+                fd = -1;
                 close(fd);
             }
-            fd = -1;
         } else {
-#ifdef __ANDROID__
-            if (InitAhbBacking()) {
-                return InitVirtual();
-            }
-#endif
             backing_base = static_cast<u8*>(mmap(nullptr, backing_size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0));
         }
         if (backing_base == MAP_FAILED) {
@@ -601,10 +554,7 @@ public:
             return false;
         }
 
-        return InitVirtual();
-    }
-
-    bool InitVirtual() {
+        // Virtual memory initialization
         virtual_base = virtual_map_base = static_cast<u8*>(ChooseVirtualBase(virtual_size));
         if (virtual_base == MAP_FAILED) {
             LOG_CRITICAL(HW_Memory, "mmap failed: {}", strerror(errno));
@@ -617,248 +567,6 @@ public:
         return true;
     }
 
-#ifdef __ANDROID__
-    static AHardwareBuffer_Desc MakeBlobDesc(size_t len) {
-        return AHardwareBuffer_Desc{
-            .width = static_cast<u32>(len),
-            .height = 1,
-            .layers = 1,
-            .format = AHARDWAREBUFFER_FORMAT_BLOB,
-            .usage = AHARDWAREBUFFER_USAGE_CPU_READ_OFTEN |
-                     AHARDWAREBUFFER_USAGE_CPU_WRITE_OFTEN |
-                     AHARDWAREBUFFER_USAGE_GPU_DATA_BUFFER,
-            .stride = 0,
-            .rfu0 = 0,
-            .rfu1 = 0,
-        };
-    }
-
-    static bool ProbeAhbBacking(PFN_AHardwareBuffer_getNativeHandle get_native_handle) {
-        const AHardwareBuffer_Desc desc = MakeBlobDesc(PageAlignment * 2);
-        AHardwareBuffer* buffer{};
-        if (AHardwareBuffer_allocate(&desc, &buffer) != 0 || buffer == nullptr) {
-            LOG_WARNING(HW_Memory, "Hardware buffer probe allocation failed");
-            return false;
-        }
-        const NativeHandle* const handle = get_native_handle(buffer);
-        if (handle == nullptr || handle->numFds < 1) {
-            LOG_WARNING(HW_Memory, "Hardware buffer has no mappable file descriptor");
-            AHardwareBuffer_release(buffer);
-            return false;
-        }
-        const int probe_fd = handle->data[0];
-        bool ok = true;
-        const auto try_map = [&](int prot, off_t offset, const char* what) {
-            if (!ok) {
-                return;
-            }
-            void* const ptr = mmap(nullptr, PageAlignment, prot, MAP_SHARED, probe_fd, offset);
-            if (ptr == MAP_FAILED) {
-                LOG_WARNING(HW_Memory, "Hardware buffer backing rejects {}: {}", what,
-                            strerror(errno));
-                ok = false;
-                return;
-            }
-            munmap(ptr, PageAlignment);
-        };
-        try_map(PROT_READ | PROT_WRITE, 0, "shared mappings");
-        try_map(PROT_READ | PROT_WRITE, static_cast<off_t>(PageAlignment), "mappings at an offset");
-#ifdef ARCHITECTURE_arm64
-        try_map(PROT_READ | PROT_EXEC, 0, "executable mappings");
-#endif
-        AHardwareBuffer_release(buffer);
-        return ok;
-    }
-
-    size_t ComputeAhbBudget(size_t window_size) const {
-        const u64 total_physical = Common::GetMemInfo().TotalPhysicalMemory;
-        if (total_physical == 0) {
-            LOG_WARNING(HW_Memory, "Host memory size is unknown, not committing hardware buffers");
-            return 0;
-        }
-        constexpr u64 MinimumTotalPhysical = 7ULL << 30;
-        if (total_physical < MinimumTotalPhysical) {
-            LOG_INFO(HW_Memory,
-                     "Skipping hardware buffer backing, {} MiB of RAM is below the {} MiB minimum",
-                     total_physical >> 20, MinimumTotalPhysical >> 20);
-            return 0;
-        }
-        const u64 max_map_count = Common::GetMaxMapCount();
-        constexpr u64 ReservedMaps = 24576;
-        if (max_map_count == 0 || max_map_count <= ReservedMaps) {
-            LOG_WARNING(HW_Memory,
-                        "Skipping hardware buffer backing, vm.max_map_count is unknown or too low");
-            return 0;
-        }
-        u64 budget = total_physical / 6;
-        budget = (std::min)(budget, (max_map_count - ReservedMaps) * PageAlignment);
-        const u64 available = Common::GetAvailablePhysicalMemory();
-        if (available != 0) {
-            constexpr u64 Headroom = 2ULL << 30;
-            budget = (std::min)(budget, available > Headroom ? available - Headroom : 0);
-        }
-        budget = (std::min)(budget, static_cast<u64>(backing_size));
-        budget = Common::AlignDown(budget, window_size);
-        constexpr u64 MinimumBudget = 256ULL << 20;
-        if (budget < MinimumBudget) {
-            LOG_INFO(HW_Memory,
-                     "Skipping hardware buffer backing, only {} MiB could be committed on a {} MiB "
-                     "system with {} MiB available and vm.max_map_count {}",
-                     budget >> 20, total_physical >> 20, available >> 20, max_map_count);
-            return 0;
-        }
-        return static_cast<size_t>(budget);
-    }
-
-    bool InitAhbBacking() {
-        if (!Settings::values.use_unified_memory.GetValue()) {
-            return false;
-        }
-        static const PFN_AHardwareBuffer_getNativeHandle get_native_handle =
-            ResolveGetNativeHandle();
-        if (get_native_handle == nullptr) {
-            LOG_WARNING(HW_Memory, "AHardwareBuffer_getNativeHandle is not available");
-            return false;
-        }
-        constexpr size_t window_size = 64ULL << 20;
-        const AHardwareBuffer_Desc window_desc = MakeBlobDesc(window_size);
-        if (AHardwareBuffer_isSupported(&window_desc) == 0) {
-            LOG_WARNING(HW_Memory, "Allocator rejects {} MiB hardware buffer windows",
-                        window_size >> 20);
-            return false;
-        }
-        const size_t budget = ComputeAhbBudget(window_size);
-        if (budget == 0) {
-            return false;
-        }
-        if (!ProbeAhbBacking(get_native_handle)) {
-            return false;
-        }
-        const size_t aligned_backing = Common::AlignDown(backing_size, window_size);
-        const size_t region_size = (std::min)(budget, aligned_backing);
-        const size_t region_base = Common::AlignDown(
-            (std::min)(preferred_offset, aligned_backing - region_size), window_size);
-        const size_t num_windows = region_size / window_size;
-
-        std::vector<AHardwareBuffer*> buffers;
-        std::vector<int> buffer_fds;
-        const auto cleanup = [&] {
-            for (AHardwareBuffer* buffer : buffers) {
-                AHardwareBuffer_release(buffer);
-            }
-            buffers.clear();
-            buffer_fds.clear();
-        };
-        for (size_t i = 0; i < num_windows; ++i) {
-            const AHardwareBuffer_Desc desc = MakeBlobDesc(window_size);
-            AHardwareBuffer* buffer{};
-            if (AHardwareBuffer_allocate(&desc, &buffer) != 0 || buffer == nullptr) {
-                LOG_WARNING(HW_Memory, "Hardware buffer allocation failed for window {} of {}", i,
-                            num_windows);
-                cleanup();
-                return false;
-            }
-            buffers.push_back(buffer);
-            const NativeHandle* const handle = get_native_handle(buffer);
-            if (handle == nullptr || handle->numFds < 1) {
-                LOG_WARNING(HW_Memory, "Hardware buffer has no mappable file descriptor");
-                cleanup();
-                return false;
-            }
-            const int buffer_fd = handle->data[0];
-            const off_t buffer_len = lseek(buffer_fd, 0, SEEK_END);
-            if (buffer_len < static_cast<off_t>(window_size)) {
-                LOG_WARNING(HW_Memory, "Hardware buffer descriptor smaller than requested");
-                cleanup();
-                return false;
-            }
-            buffer_fds.push_back(buffer_fd);
-        }
-        u8* const base = static_cast<u8*>(mmap(nullptr, backing_size, PROT_NONE,
-                                               MAP_PRIVATE | MAP_ANONYMOUS | MAP_NORESERVE, -1, 0));
-        if (base == MAP_FAILED) {
-            LOG_WARNING(HW_Memory, "Failed to reserve backing address space: {}", strerror(errno));
-            cleanup();
-            return false;
-        }
-        const auto map_over_reservation = [&](size_t offset, size_t len, int map_fd,
-                                              off_t map_offset) {
-            if (len == 0) {
-                return true;
-            }
-            if (mmap(base + offset, len, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_FIXED, map_fd,
-                     map_offset) == MAP_FAILED) {
-                LOG_WARNING(HW_Memory, "Backing mmap failed: {}", strerror(errno));
-                munmap(base, backing_size);
-                cleanup();
-                return false;
-            }
-            return true;
-        };
-        if (!map_over_reservation(0, region_base, fd, 0)) {
-            return false;
-        }
-        for (size_t i = 0; i < num_windows; ++i) {
-            if (!map_over_reservation(region_base + i * window_size, window_size, buffer_fds[i],
-                                      0)) {
-                return false;
-            }
-        }
-        const size_t tail_offset = region_base + region_size;
-        if (!map_over_reservation(tail_offset, backing_size - tail_offset, fd,
-                                  static_cast<off_t>(tail_offset))) {
-            return false;
-        }
-        backing_base = base;
-        ahb_windows = std::move(buffers);
-        ahb_fds = std::move(buffer_fds);
-        ahb_window_size = window_size;
-        ahb_base = region_base;
-        ahb_bytes = region_size;
-        committed_backing_size.store(region_size, std::memory_order_relaxed);
-        LOG_INFO(HW_Memory,
-                 "Guest memory {:#x}-{:#x} backed by {} hardware buffer windows, {} MiB committed",
-                 region_base, region_base + region_size, ahb_windows.size(), region_size >> 20);
-        return true;
-    }
-
-    void MapBackingRange(size_t virtual_offset, size_t host_offset, size_t length, int prot_flags) {
-        while (length > 0) {
-            int map_fd = fd;
-            off_t map_offset = static_cast<off_t>(host_offset);
-            size_t chunk = length;
-            if (host_offset < ahb_base) {
-                chunk = (std::min)(chunk, ahb_base - host_offset);
-            } else if (host_offset < ahb_base + ahb_bytes) {
-                const size_t relative = host_offset - ahb_base;
-                const size_t window = relative / ahb_window_size;
-                const size_t local = relative % ahb_window_size;
-                map_fd = ahb_fds[window];
-                map_offset = static_cast<off_t>(local);
-                chunk = (std::min)(chunk, ahb_window_size - local);
-            }
-            void* const ret = mmap(virtual_base + virtual_offset, chunk, prot_flags,
-                                   MAP_SHARED | MAP_FIXED, map_fd, map_offset);
-            ASSERT_MSG(ret != MAP_FAILED, "mmap: {}", strerror(errno));
-            virtual_offset += chunk;
-            host_offset += chunk;
-            length -= chunk;
-        }
-    }
-
-    std::span<AHardwareBuffer* const> AhbWindows() const noexcept {
-        return ahb_windows;
-    }
-
-    size_t AhbWindowSize() const noexcept {
-        return ahb_bytes != 0 ? ahb_window_size : 0;
-    }
-
-    size_t AhbBase() const noexcept {
-        return ahb_base;
-    }
-#endif
-
     ~Impl() {
         Release();
     }
@@ -879,12 +587,6 @@ public:
 #ifdef ARCHITECTURE_arm64
         if (True(perms & MemoryPermission::Execute))
             prot_flags |= PROT_EXEC;
-#endif
-#ifdef __ANDROID__
-        if (ahb_bytes != 0) {
-            MapBackingRange(virtual_offset, host_offset, length, prot_flags);
-            return;
-        }
 #endif
         int flags = (fd >= 0 ? MAP_SHARED : MAP_PRIVATE) | MAP_FIXED;
         void* ret = mmap(virtual_base + virtual_offset, length, prot_flags, flags, fd, host_offset);
@@ -930,18 +632,8 @@ public:
         virtual_base = nullptr;
     }
 
-    bool IsBackingShared() const noexcept {
-#ifdef __ANDROID__
-        if (ahb_bytes != 0) {
-            return true;
-        }
-#endif
-        return fd >= 0;
-    }
-
     const size_t backing_size; ///< Size of the backing memory in bytes
     const size_t virtual_size; ///< Size of the virtual address placeholder in bytes
-    const size_t preferred_offset;
 
     u8* backing_base{reinterpret_cast<u8*>(MAP_FAILED)};
     u8* virtual_base{reinterpret_cast<u8*>(MAP_FAILED)};
@@ -964,18 +656,6 @@ private:
             int ret = close(fd);
             ASSERT_MSG(ret == 0, "close failed: {}", strerror(errno));
         }
-
-#ifdef __ANDROID__
-        for (AHardwareBuffer* buffer : ahb_windows) {
-            AHardwareBuffer_release(buffer);
-        }
-        ahb_windows.clear();
-        ahb_fds.clear();
-        if (ahb_bytes != 0) {
-            committed_backing_size.store(0, std::memory_order_relaxed);
-            ahb_bytes = 0;
-        }
-#endif
     }
 
     void AdjustMap(size_t* virtual_offset, size_t* length) {
@@ -1001,19 +681,11 @@ private:
 
     int fd{-1}; // memfd file descriptor, -1 is the error value of memfd_create
     FreeRegionManager free_manager{};
-
-#ifdef __ANDROID__
-    std::vector<AHardwareBuffer*> ahb_windows;
-    std::vector<int> ahb_fds;
-    size_t ahb_window_size{};
-    size_t ahb_base{};
-    size_t ahb_bytes{};
-#endif
 };
 
 #endif // ^^^ POSIX ^^^
 
-HostMemory::HostMemory(size_t backing_size_, size_t virtual_size_, size_t preferred_offset_)
+HostMemory::HostMemory(size_t backing_size_, size_t virtual_size_)
     : backing_size(backing_size_)
     , virtual_size(virtual_size_)
 {
@@ -1025,7 +697,7 @@ HostMemory::HostMemory(size_t backing_size_, size_t virtual_size_, size_t prefer
 #else
     // Try to allocate a fastmem arena.
     // The implementation will fail with std::bad_alloc on errors.
-    impl = std::make_unique<HostMemory::Impl>(AlignUp(backing_size, PageAlignment), AlignUp(virtual_size, PageAlignment) + HugePageSize, preferred_offset_);
+    impl = std::make_unique<HostMemory::Impl>(AlignUp(backing_size, PageAlignment), AlignUp(virtual_size, PageAlignment) + HugePageSize);
     if (impl->Init()) {
         backing_base = impl->backing_base;
         virtual_base = impl->virtual_base;
@@ -1095,38 +767,6 @@ void HostMemory::ClearBackingRegion(size_t physical_offset, size_t length, u32 f
     std::memset(backing_base + physical_offset, fill_value, length);
 }
 
-std::span<AHardwareBuffer* const> HostMemory::BackingHardwareBuffers() const noexcept {
-#ifdef __ANDROID__
-    return impl ? impl->AhbWindows() : std::span<AHardwareBuffer* const>{};
-#else
-    return {};
-#endif
-}
-
-size_t HostMemory::BackingHardwareBufferWindowSize() const noexcept {
-#ifdef __ANDROID__
-    return impl ? impl->AhbWindowSize() : 0;
-#else
-    return 0;
-#endif
-}
-
-bool HostMemory::IsBackingShared() const noexcept {
-#if defined(__OPENORBIS__) || defined(__managarm__)
-    return false;
-#else
-    return impl && impl->IsBackingShared();
-#endif
-}
-
-size_t HostMemory::BackingHardwareBufferBase() const noexcept {
-#ifdef __ANDROID__
-    return impl ? impl->AhbBase() : 0;
-#else
-    return 0;
-#endif
-}
-
 void HostMemory::EnableDirectMappedAddress() {
 #if !(defined(__OPENORBIS__) || defined(__managarm__))
     if (impl) {

src/common/host_memory.h

@@ -8,17 +8,12 @@
 
 #include <memory>
 #include <optional>
-#include <span>
 #include "common/common_funcs.h"
 #include "common/common_types.h"
 #include "common/virtual_buffer.h"
 
-struct AHardwareBuffer;
-
 namespace Common {
 
-[[nodiscard]] u64 GetCommittedBackingSize() noexcept;
-
 enum class MemoryPermission : u32 {
     Read = 1 << 0,
     Write = 1 << 1,
@@ -33,7 +28,7 @@ DECLARE_ENUM_FLAG_OPERATORS(MemoryPermission)
  */
 class HostMemory {
 public:
-    explicit HostMemory(size_t backing_size_, size_t virtual_size_, size_t preferred_offset_ = 0);
+    explicit HostMemory(size_t backing_size_, size_t virtual_size_);
     ~HostMemory();
 
     /**
@@ -67,18 +62,6 @@ public:
         return backing_base;
     }
 
-    [[nodiscard]] size_t BackingSize() const noexcept {
-        return backing_size;
-    }
-
-    [[nodiscard]] std::span<AHardwareBuffer* const> BackingHardwareBuffers() const noexcept;
-
-    [[nodiscard]] size_t BackingHardwareBufferWindowSize() const noexcept;
-
-    [[nodiscard]] size_t BackingHardwareBufferBase() const noexcept;
-
-    [[nodiscard]] bool IsBackingShared() const noexcept;
-
     [[nodiscard]] u8* VirtualBasePointer() noexcept {
         return virtual_base;
     }

src/common/memory_detect.cpp

@@ -17,10 +17,6 @@
 #endif
 #endif
 
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-
 #include "common/memory_detect.h"
 
 namespace Common {
@@ -73,55 +69,4 @@ const MemoryInfo& GetMemInfo() {
     return mem_info;
 }
 
-u64 GetAvailablePhysicalMemory() {
-#ifdef _WIN32
-    MEMORYSTATUSEX memorystatus;
-    memorystatus.dwLength = sizeof(memorystatus);
-    if (GlobalMemoryStatusEx(&memorystatus)) {
-        return memorystatus.ullAvailPhys;
-    }
-    return 0;
-#elif defined(__linux__)
-    if (std::FILE* const file = std::fopen("/proc/meminfo", "re")) {
-        char line[256];
-        u64 available = 0;
-        while (std::fgets(line, sizeof(line), file) != nullptr) {
-            if (std::strncmp(line, "MemAvailable:", 13) == 0) {
-                available = std::strtoull(line + 13, nullptr, 10) * 1024ULL;
-                break;
-            }
-        }
-        std::fclose(file);
-        if (available != 0) {
-            return available;
-        }
-    }
-    struct sysinfo info;
-    if (sysinfo(&info) == 0) {
-        const u64 unit = info.mem_unit != 0 ? info.mem_unit : 1ULL;
-        return (static_cast<u64>(info.freeram) + static_cast<u64>(info.bufferram)) * unit;
-    }
-    return 0;
-#else
-    return 0;
-#endif
-}
-
-u64 GetMaxMapCount() {
-#ifdef __linux__
-    if (std::FILE* const file = std::fopen("/proc/sys/vm/max_map_count", "re")) {
-        char line[32];
-        u64 count = 0;
-        if (std::fgets(line, sizeof(line), file) != nullptr) {
-            count = std::strtoull(line, nullptr, 10);
-        }
-        std::fclose(file);
-        return count;
-    }
-    return 0;
-#else
-    return 0;
-#endif
-}
-
 } // namespace Common

src/common/memory_detect.h

@@ -18,8 +18,4 @@ struct MemoryInfo {
  */
 [[nodiscard]] const MemoryInfo& GetMemInfo();
 
-[[nodiscard]] u64 GetAvailablePhysicalMemory();
-
-[[nodiscard]] u64 GetMaxMapCount();
-
 } // namespace Common

src/common/settings.h

@@ -587,9 +587,6 @@ struct Values {
     SwitchableSetting<bool> use_asynchronous_shaders{linkage, false, "use_asynchronous_shaders",
                                                      Category::RendererHacks};
 
-    SwitchableSetting<bool> use_unified_memory{linkage, false, "use_unified_memory",
-                                               Category::RendererHacks};
-
     SwitchableSetting<GpuUnswizzleSize> gpu_unswizzle_texture_size{linkage,
                                                   GpuUnswizzleSize::Large,
                                                   "gpu_unswizzle_texture_size",
@@ -638,16 +635,6 @@ struct Values {
 #endif
                                                        "vertex_input_dynamic_state", Category::RendererExtensions};
 
-    SwitchableSetting<bool> dynamic_rendering{linkage, true, "dynamic_rendering",
-                                              Category::RendererExtensions};
-
-    SwitchableSetting<bool> workgroup_memory_explicit_layout{
-        linkage, false, "workgroup_memory_explicit_layout", Category::RendererExtensions};
-
-    SwitchableSetting<s32, true> pipeline_worker_count{
-        linkage, 2, 2, 8, "pipeline_worker_count", Category::RendererAdvanced,
-        Specialization::Scalar};
-
     Setting<bool> renderer_debug{linkage, false, "debug", Category::RendererDebug};
     Setting<bool> renderer_shader_feedback{linkage, false, "shader_feedback",
                                            Category::RendererDebug};

src/common/thread.cpp

@@ -1,6 +1,5 @@
 // SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: 2013 Dolphin Emulator Project
 // SPDX-FileCopyrightText: 2014 Citra Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
@@ -40,258 +39,6 @@
 #include <unistd.h>
 #endif
 
-#ifdef __ANDROID__
-#include <sys/resource.h>
-#include <algorithm>
-#include <cstdlib>
-#include <cstring>
-#include <fstream>
-#include <mutex>
-#include <utility>
-#include <vector>
-
-namespace {
-constexpr int ANDROID_THREAD_PRIORITY_AUDIO = -16;
-constexpr int ANDROID_THREAD_PRIORITY_URGENT_DISPLAY = -8;
-constexpr int ANDROID_THREAD_PRIORITY_DISPLAY = -4;
-constexpr int ANDROID_THREAD_PRIORITY_DEFAULT = 0;
-constexpr int ANDROID_THREAD_PRIORITY_BACKGROUND = 10;
-
-constexpr size_t ANDROID_MINIMUM_PERFORMANCE_CORES = 4;
-
-enum class CoreGroup {
-    Unrestricted,
-    Performance,
-    Efficiency,
-};
-
-struct CoreTopology {
-    cpu_set_t allowed;
-    cpu_set_t performance;
-    cpu_set_t efficiency;
-    bool separated;
-    bool initialized;
-};
-
-struct ThreadPolicy {
-    pid_t tid;
-    CoreGroup group;
-    int nice_value;
-    bool has_nice;
-};
-
-std::mutex g_topology_mutex;
-CoreTopology g_topology{};
-
-std::mutex g_policy_mutex;
-
-std::vector<ThreadPolicy>& Policies() {
-    static auto* const policies = new std::vector<ThreadPolicy>();
-    return *policies;
-}
-
-struct PolicyRegistration {
-    ~PolicyRegistration() {
-        const pid_t tid = gettid();
-        std::scoped_lock lock{g_policy_mutex};
-        std::erase_if(Policies(), [tid](const ThreadPolicy& policy) { return policy.tid == tid; });
-    }
-};
-
-thread_local PolicyRegistration t_policy_registration;
-
-int PossibleCpuCount() {
-    std::ifstream file("/sys/devices/system/cpu/possible");
-    std::string list;
-    if (file && std::getline(file, list) && !list.empty()) {
-        int highest = -1;
-        const char* cursor = list.c_str();
-        while (*cursor != '\0') {
-            char* end = nullptr;
-            const long value = std::strtol(cursor, &end, 10);
-            if (end == cursor) {
-                break;
-            }
-            highest = (std::max)(highest, static_cast<int>(value));
-            cursor = end;
-            while (*cursor == '-' || *cursor == ',') {
-                ++cursor;
-            }
-        }
-        if (highest >= 0) {
-            return (std::min)(highest + 1, CPU_SETSIZE);
-        }
-    }
-    const long configured = sysconf(_SC_NPROCESSORS_CONF);
-    if (configured > 0) {
-        return static_cast<int>((std::min<long>)(configured, CPU_SETSIZE));
-    }
-    return static_cast<int>((std::min<unsigned>)(std::thread::hardware_concurrency(), CPU_SETSIZE));
-}
-
-long ReadCpuScalar(int cpu, const char* node) {
-    long value = 0;
-    std::ifstream file("/sys/devices/system/cpu/cpu" + std::to_string(cpu) + "/" + node);
-    if (!file || !(file >> value) || value <= 0) {
-        return 0;
-    }
-    return value;
-}
-
-std::vector<std::pair<long, int>> CollectCoreWeights(const cpu_set_t& allowed, int total,
-                                                     const char* node, bool require_all) {
-    std::vector<std::pair<long, int>> cores;
-    for (int cpu = 0; cpu < total; ++cpu) {
-        if (!CPU_ISSET(cpu, &allowed)) {
-            continue;
-        }
-        const long weight = ReadCpuScalar(cpu, node);
-        if (weight <= 0) {
-            if (require_all) {
-                return {};
-            }
-            LOG_WARNING(Common, "Could not read {} for CPU {}, treating it as an efficiency core",
-                        node, cpu);
-            continue;
-        }
-        cores.emplace_back(weight, cpu);
-    }
-    return cores;
-}
-
-void ComputeTopologyLocked() {
-    g_topology.initialized = true;
-    g_topology.separated = false;
-    CPU_ZERO(&g_topology.allowed);
-    CPU_ZERO(&g_topology.performance);
-    CPU_ZERO(&g_topology.efficiency);
-
-    if (sched_getaffinity(getpid(), sizeof(g_topology.allowed), &g_topology.allowed) != 0) {
-        LOG_WARNING(Common, "Could not query process CPU affinity: {}",
-                    ::Common::GetLastErrorMsg());
-        return;
-    }
-
-    const int total = PossibleCpuCount();
-    auto cores = CollectCoreWeights(g_topology.allowed, total, "cpu_capacity", true);
-    if (cores.empty()) {
-        cores = CollectCoreWeights(g_topology.allowed, total, "cpufreq/cpuinfo_max_freq", false);
-    }
-    if (cores.empty()) {
-        LOG_WARNING(Common, "Could not determine CPU topology, thread placement is disabled");
-        return;
-    }
-
-    std::sort(cores.begin(), cores.end(),
-              [](const auto& lhs, const auto& rhs) { return lhs.first > rhs.first; });
-
-    const size_t allowed_count = static_cast<size_t>(CPU_COUNT(&g_topology.allowed));
-    const size_t maximum =
-        allowed_count > 2 * ANDROID_MINIMUM_PERFORMANCE_CORES
-            ? allowed_count - ANDROID_MINIMUM_PERFORMANCE_CORES
-            : ANDROID_MINIMUM_PERFORMANCE_CORES;
-
-    size_t taken = 0;
-    long cluster_weight = cores.front().first;
-    for (const auto& [weight, cpu] : cores) {
-        if (weight != cluster_weight) {
-            if (taken >= ANDROID_MINIMUM_PERFORMANCE_CORES) {
-                break;
-            }
-            cluster_weight = weight;
-        }
-        if (taken >= maximum) {
-            break;
-        }
-        CPU_SET(cpu, &g_topology.performance);
-        ++taken;
-    }
-    if (taken == 0) {
-        return;
-    }
-
-    for (int cpu = 0; cpu < total; ++cpu) {
-        if (CPU_ISSET(cpu, &g_topology.allowed) && !CPU_ISSET(cpu, &g_topology.performance)) {
-            CPU_SET(cpu, &g_topology.efficiency);
-        }
-    }
-
-    g_topology.separated = CPU_COUNT(&g_topology.efficiency) > 0;
-    LOG_INFO(Common, "CPU topology: {} performance cores, {} efficiency cores, separation {}",
-             CPU_COUNT(&g_topology.performance), CPU_COUNT(&g_topology.efficiency),
-             g_topology.separated ? "enabled" : "unavailable");
-}
-
-void EnsureTopologyLocked() {
-    if (!g_topology.initialized) {
-        ComputeTopologyLocked();
-    }
-}
-
-void RefreshTopologyLocked() {
-    if (!g_topology.initialized) {
-        ComputeTopologyLocked();
-        return;
-    }
-    cpu_set_t current;
-    CPU_ZERO(&current);
-    if (sched_getaffinity(getpid(), sizeof(current), &current) != 0) {
-        return;
-    }
-    if (std::memcmp(&current, &g_topology.allowed, sizeof(current)) != 0) {
-        ComputeTopologyLocked();
-    }
-}
-
-bool ApplyCoreGroupLocked(pid_t tid, CoreGroup group) {
-    if (!g_topology.separated || group == CoreGroup::Unrestricted) {
-        return false;
-    }
-    const cpu_set_t& mask =
-        group == CoreGroup::Performance ? g_topology.performance : g_topology.efficiency;
-    if (CPU_COUNT(&mask) == 0) {
-        return false;
-    }
-    if (sched_setaffinity(tid, sizeof(mask), &mask) != 0) {
-        LOG_WARNING(Common, "Could not restrict thread {} to its core group: {}", tid,
-                    ::Common::GetLastErrorMsg());
-        return false;
-    }
-    return true;
-}
-
-ThreadPolicy& AcquirePolicyLocked(pid_t tid) {
-    auto& policies = Policies();
-    for (auto& policy : policies) {
-        if (policy.tid == tid) {
-            return policy;
-        }
-    }
-    return policies.emplace_back(ThreadPolicy{tid, CoreGroup::Unrestricted, 0, false});
-}
-
-void SetCurrentThreadCoreGroup(CoreGroup group) {
-    const pid_t tid = gettid();
-    {
-        std::scoped_lock lock{g_topology_mutex};
-        EnsureTopologyLocked();
-        ApplyCoreGroupLocked(tid, group);
-    }
-    (void)&t_policy_registration;
-    std::scoped_lock lock{g_policy_mutex};
-    AcquirePolicyLocked(tid).group = group;
-}
-
-void RememberCurrentThreadNice(pid_t tid, int nice_value) {
-    (void)&t_policy_registration;
-    std::scoped_lock lock{g_policy_mutex};
-    ThreadPolicy& policy = AcquirePolicyLocked(tid);
-    policy.nice_value = nice_value;
-    policy.has_nice = true;
-}
-} // Anonymous namespace
-#endif
-
 #include "common/cpu_features.h"
 #ifdef ARCHITECTURE_x86_64
 #ifdef _MSC_VER
@@ -301,6 +48,7 @@ void RememberCurrentThreadNice(pid_t tid, int nice_value) {
 #endif
 #include "common/x64/rdtsc.h"
 #endif
+#include "core/core_timing.h"
 
 namespace Common {
 
@@ -330,24 +78,6 @@ void SetCurrentThreadPriority(ThreadPriority new_priority) {
         }
     }();
     set_thread_priority(find_thread(NULL), priority);
-#elif defined(__ANDROID__)
-    const int nice_value = [&]() {
-        switch (new_priority) {
-        case ThreadPriority::Low: return ANDROID_THREAD_PRIORITY_BACKGROUND;
-        case ThreadPriority::Normal: return ANDROID_THREAD_PRIORITY_DEFAULT;
-        case ThreadPriority::High: return ANDROID_THREAD_PRIORITY_DISPLAY;
-        case ThreadPriority::VeryHigh: return ANDROID_THREAD_PRIORITY_URGENT_DISPLAY;
-        case ThreadPriority::Critical: return ANDROID_THREAD_PRIORITY_AUDIO;
-        default: return ANDROID_THREAD_PRIORITY_DEFAULT;
-        }
-    }();
-    const pid_t tid = gettid();
-    if (setpriority(PRIO_PROCESS, static_cast<id_t>(tid), nice_value) != 0) {
-        LOG_WARNING(Common, "Could not set thread nice value to {}: {}", nice_value,
-                    GetLastErrorMsg());
-        return;
-    }
-    RememberCurrentThreadNice(tid, nice_value);
 #else
     pthread_t this_thread = pthread_self();
     const auto scheduling_type = SCHED_OTHER;
@@ -402,31 +132,29 @@ void SetCurrentThreadName(const char* name) {
 #endif
 }
 
-void SetCurrentThreadToPerformanceCores() {
+void PinCurrentThreadToPerformanceCore(size_t core_id) {
+    ASSERT(core_id < 4);
+    // If we set a flag for a CPU that doesn't exist, the thread may not be allowed to
+    // run in ANY processor!
+    auto const total_cores = std::thread::hardware_concurrency();
+    if (core_id < total_cores) {
 #if defined(__ANDROID__)
-    SetCurrentThreadCoreGroup(CoreGroup::Performance);
+        cpu_set_t set;
+        CPU_ZERO(&set);
+        CPU_SET(core_id, &set);
+        sched_setaffinity(pthread_self(), sizeof(set), &set);
+#elif defined(__linux__) || defined(__FreeBSD__)
+        cpu_set_t set;
+        CPU_ZERO(&set);
+        CPU_SET(core_id, &set);
+        pthread_setaffinity_np(pthread_self(), sizeof(set), &set);
+#elif defined(_WIN32)
+        DWORD set = 1UL << core_id;
+        SetThreadAffinityMask(GetCurrentThread(), set);
+#else
+        // No pin functionality implemented
 #endif
-}
-
-void SetCurrentThreadToEfficiencyCores() {
-#if defined(__ANDROID__)
-    SetCurrentThreadCoreGroup(CoreGroup::Efficiency);
-#endif
-}
-
-void RefreshThreadPolicies() {
-#if defined(__ANDROID__)
-    std::scoped_lock topology_lock{g_topology_mutex};
-    RefreshTopologyLocked();
-
-    std::scoped_lock policy_lock{g_policy_mutex};
-    for (const auto& policy : Policies()) {
-        if (policy.has_nice) {
-            setpriority(PRIO_PROCESS, static_cast<id_t>(policy.tid), policy.nice_value);
-        }
-        ApplyCoreGroupLocked(policy.tid, policy.group);
     }
-#endif
 }
 
 #ifdef ARCHITECTURE_x86_64

src/common/thread.h

@@ -99,16 +99,8 @@ enum class ThreadPriority : u32 {
     Critical = 4,
 };
 
-enum class ThreadPlacement : u32 {
-    Default = 0,
-    Background = 1,
-    Efficiency = 2,
-};
-
 void SetCurrentThreadPriority(ThreadPriority new_priority);
 void SetCurrentThreadName(const char* name);
-void SetCurrentThreadToPerformanceCores();
-void SetCurrentThreadToEfficiencyCores();
-void RefreshThreadPolicies();
+void PinCurrentThreadToPerformanceCore(size_t core_id);
 
 } // namespace Common

src/common/thread_worker.h

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
@@ -37,17 +37,10 @@ class StatefulThreadWorker {
     using StateMaker = std::conditional_t<with_state, std::function<StateType()>, DummyCallable>;
 
 public:
-    explicit StatefulThreadWorker(size_t num_workers, std::string name, StateMaker func = {},
-                                  ThreadPlacement placement = ThreadPlacement::Default)
+    explicit StatefulThreadWorker(size_t num_workers, std::string name, StateMaker func = {})
         : workers_queued{num_workers}, thread_name{std::move(name)} {
-        const auto lambda = [this, func, placement](std::stop_token stop_token) {
+        const auto lambda = [this, func](std::stop_token stop_token) {
             Common::SetCurrentThreadName(thread_name.c_str());
-            if (placement != ThreadPlacement::Default) {
-                Common::SetCurrentThreadPriority(ThreadPriority::Low);
-            }
-            if (placement == ThreadPlacement::Efficiency) {
-                Common::SetCurrentThreadToEfficiencyCores();
-            }
             {
                 [[maybe_unused]] std::conditional_t<with_state, StateType, int> state{func()};
                 while (!stop_token.stop_requested()) {

src/core/arm/nce/arm_nce.cpp

@@ -157,8 +157,6 @@ bool ArmNce::HandleGuestAlignmentFault(GuestContext* guest_ctx, void* raw_info,
     return HandleFailedGuestFault(guest_ctx, raw_info, raw_context);
 }
 
-constexpr size_t NCE_WRITE_FAULT_CLUSTER_PAGES = 4;
-
 bool ArmNce::HandleGuestAccessFault(GuestContext* guest_ctx, void* raw_info, void* raw_context) {
     auto* info = static_cast<siginfo_t*>(raw_info);
 
@@ -167,7 +165,7 @@ bool ArmNce::HandleGuestAccessFault(GuestContext* guest_ctx, void* raw_info, voi
     const Common::ProcessAddress addr =
         (reinterpret_cast<u64>(info->si_addr) & ~Memory::YUZU_PAGEMASK);
     auto& memory = guest_ctx->parent->m_running_thread->GetOwnerProcess()->GetMemory();
-    if (memory.InvalidateNCE(addr, Memory::YUZU_PAGESIZE * NCE_WRITE_FAULT_CLUSTER_PAGES)) {
+    if (memory.InvalidateNCE(addr, Memory::YUZU_PAGESIZE)) {
         // We handled the access successfully and are returning to guest code.
         return true;
     }

src/core/arm/nce/patcher.cpp

@@ -145,7 +145,14 @@ bool Patcher::PatchText(std::span<const u8> program_image, const Kernel::CodeSet
 
         // MRS Xn, CNTFRQ_EL0
         if (auto mrs = MRS{inst}; mrs.Verify() && mrs.GetSystemReg() == CntfrqEl0) {
-            UNREACHABLE();
+            bool pre_buffer = false;
+            auto ret = AddRelocations(pre_buffer);
+            if (pre_buffer) {
+                WriteCntfrqHandler(ret, oaknut::XReg{static_cast<int>(mrs.GetRt())}, c_pre);
+            } else {
+                WriteCntfrqHandler(ret, oaknut::XReg{static_cast<int>(mrs.GetRt())}, c);
+            }
+            continue;
         }
 
         // MSR TPIDR_EL0, Xn
@@ -577,6 +584,16 @@ void Patcher::WriteMsrHandler(ModuleDestLabel module_dest, oaknut::XReg src_reg,
         this->BranchToModule(module_dest);
 }
 
+void Patcher::WriteCntfrqHandler(ModuleDestLabel module_dest, oaknut::XReg dest_reg, oaknut::VectorCodeGenerator& cg) {
+    cg.MOV(dest_reg, Common::WallClock::CNTFRQ);
+
+    // Jump back to the instruction after the emulated MRS.
+    if (&cg == &c_pre)
+        this->BranchToModulePre(module_dest);
+    else
+        this->BranchToModule(module_dest);
+}
+
 void Patcher::WriteCntpctHandler(ModuleDestLabel module_dest, oaknut::XReg dest_reg, oaknut::VectorCodeGenerator& cg) {
 #if defined(HAS_NCE)
     static Common::WallClock clock(false, 1);

src/core/arm/nce/patcher.h

@@ -80,6 +80,7 @@ private:
     void WriteSvcTrampoline(ModuleDestLabel module_dest, u32 svc_id, oaknut::VectorCodeGenerator& code, oaknut::Label& save_ctx, oaknut::Label& load_ctx);
     void WriteMrsHandler(ModuleDestLabel module_dest, oaknut::XReg dest_reg, oaknut::SystemReg src_reg, oaknut::VectorCodeGenerator& code);
     void WriteMsrHandler(ModuleDestLabel module_dest, oaknut::XReg src_reg, oaknut::VectorCodeGenerator& code);
+    void WriteCntfrqHandler(ModuleDestLabel module_dest, oaknut::XReg dest_reg, oaknut::VectorCodeGenerator& code);
     void WriteCntpctHandler(ModuleDestLabel module_dest, oaknut::XReg dest_reg, oaknut::VectorCodeGenerator& code);
 
     // Convenience wrappers using default code generator
@@ -90,6 +91,7 @@ private:
     void WriteSvcTrampoline(ModuleDestLabel module_dest, u32 svc_id) { WriteSvcTrampoline(module_dest, svc_id, c, m_save_context, m_load_context); }
     void WriteMrsHandler(ModuleDestLabel module_dest, oaknut::XReg dest_reg, oaknut::SystemReg src_reg) { WriteMrsHandler(module_dest, dest_reg, src_reg, c); }
     void WriteMsrHandler(ModuleDestLabel module_dest, oaknut::XReg src_reg) { WriteMsrHandler(module_dest, src_reg, c); }
+    void WriteCntfrqHandler(ModuleDestLabel module_dest, oaknut::XReg dest_reg) { WriteCntfrqHandler(module_dest, dest_reg, c); }
     void WriteCntpctHandler(ModuleDestLabel module_dest, oaknut::XReg dest_reg) { WriteCntpctHandler(module_dest, dest_reg, c); }
 
 private:

src/core/core.cpp

@@ -118,7 +118,6 @@ struct System::Impl {
 
         is_multicore = Settings::values.use_multi_core.GetValue();
         extended_memory_layout = Settings::values.memory_layout_mode.GetValue() != Settings::MemoryLayout::Memory_4Gb;
-        unified_memory = Settings::values.use_unified_memory.GetValue();
 
         core_timing.SetMulticore(is_multicore);
         core_timing.Initialize([&system]() { system.RegisterHostThread(); });
@@ -146,8 +145,7 @@ struct System::Impl {
             !device_memory.has_value() ||
             is_multicore != Settings::values.use_multi_core.GetValue() ||
             extended_memory_layout != (Settings::values.memory_layout_mode.GetValue() !=
-                                       Settings::MemoryLayout::Memory_4Gb) ||
-            unified_memory != Settings::values.use_unified_memory.GetValue();
+                                       Settings::MemoryLayout::Memory_4Gb);
 
         if (!must_reinitialize) {
             return;
@@ -158,7 +156,6 @@ struct System::Impl {
         is_multicore = Settings::values.use_multi_core.GetValue();
         extended_memory_layout =
             Settings::values.memory_layout_mode.GetValue() != Settings::MemoryLayout::Memory_4Gb;
-        unified_memory = Settings::values.use_unified_memory.GetValue();
 
         Initialize(system);
     }
@@ -506,7 +503,6 @@ struct System::Impl {
     std::atomic_bool is_powered_on{};
     bool is_multicore : 1 = false;
     bool extended_memory_layout : 1 = false;
-    bool unified_memory : 1 = false;
     bool exit_locked : 1 = false;
     bool exit_requested : 1 = false;
     bool nvdec_active : 1 = false;

src/core/core_timing.cpp

@@ -58,8 +58,7 @@ void CoreTiming::Initialize(std::function<void()>&& on_thread_init_) {
     if (is_multicore) {
         timer_thread = std::jthread([this](std::stop_token stop_token) {
             Common::SetCurrentThreadName("HostTiming");
-            Common::SetCurrentThreadPriority(Common::ThreadPriority::VeryHigh);
-            Common::SetCurrentThreadToPerformanceCores();
+            Common::SetCurrentThreadPriority(Common::ThreadPriority::High);
             on_thread_init();
             has_started = true;
 

src/core/cpu_manager.cpp

@@ -174,7 +174,12 @@ void CpuManager::RunThread(std::stop_token token, std::size_t core) {
     std::string name = is_multicore ? ("CPUCore_" + std::to_string(core)) : std::string{"CPUThread"};
     Common::SetCurrentThreadName(name.c_str());
     Common::SetCurrentThreadPriority(Common::ThreadPriority::Critical);
-    Common::SetCurrentThreadToPerformanceCores();
+#ifdef __ANDROID__
+    // Aimed specifically for Snapdragon 8 Elite devices
+    // This kills performance on desktop, but boosts perf for UMA devices
+    // like the S8E. Mediatek and Mali likely won't suffer.
+    Common::PinCurrentThreadToPerformanceCore(core);
+#endif
     auto& data = core_data[core];
     data.host_context = Common::Fiber::ThreadToFiber();
 

src/core/device_memory.cpp

@@ -12,18 +12,9 @@ constexpr size_t VirtualReserveSize = 1ULL << 38;
 constexpr size_t VirtualReserveSize = 1ULL << 39;
 #endif
 
-namespace {
-size_t ApplicationPoolOffset() {
-    using Init = Kernel::Board::Nintendo::Nx::KSystemControl::Init;
-    const size_t dram_size = Init::GetIntendedMemorySize();
-    const size_t application_pool_size = Init::GetApplicationPoolSize();
-    return dram_size > application_pool_size ? dram_size - application_pool_size : 0;
-}
-}
-
 DeviceMemory::DeviceMemory()
     : buffer{Kernel::Board::Nintendo::Nx::KSystemControl::Init::GetIntendedMemorySize(),
-             VirtualReserveSize, ApplicationPoolOffset()} {}
+             VirtualReserveSize} {}
 
 DeviceMemory::~DeviceMemory() = default;
 

src/core/device_memory_manager.h

@@ -20,8 +20,6 @@
 #include "common/scratch_buffer.h"
 #include "common/virtual_buffer.h"
 
-struct AHardwareBuffer;
-
 namespace Core {
 
 constexpr size_t DEVICE_PAGEBITS = 12ULL;
@@ -97,34 +95,6 @@ public:
         ApplyOpOnPAddr(address, buffer, operation);
     }
 
-    u8* GetPhysicalBase() noexcept {
-        return reinterpret_cast<u8*>(physical_base);
-    }
-
-    const u8* GetPhysicalBase() const noexcept {
-        return reinterpret_cast<const u8*>(physical_base);
-    }
-
-    size_t GetPhysicalSize() const noexcept {
-        return physical_size;
-    }
-
-    std::span<AHardwareBuffer* const> GetBackingHardwareBuffers() const noexcept {
-        return ahb_windows;
-    }
-
-    size_t GetBackingHardwareBufferWindowSize() const noexcept {
-        return ahb_window_size;
-    }
-
-    size_t GetBackingHardwareBufferBase() const noexcept {
-        return ahb_base;
-    }
-
-    bool IsBackingShared() const noexcept {
-        return backing_is_shared;
-    }
-
     PAddr GetPhysicalRawAddressFromDAddr(DAddr address) const {
         PAddr subbits = PAddr(address & page_mask);
         auto paddr = tracked_entries[(address >> page_bits)].compressed_physical_ptr;
@@ -156,10 +126,6 @@ public:
     // New batch API to update multiple ranges with a single lock acquisition.
     void UpdatePagesCachedBatch(std::span<const std::pair<DAddr, size_t>> ranges, s32 delta);
 
-    void UpdateTexturePagesCount(DAddr addr, size_t size, s32 delta);
-
-    [[nodiscard]] bool IsRegionTextureCached(DAddr addr, size_t size) const noexcept;
-
 private:
     struct TranslationEntry {
         DAddr guest_page{};
@@ -205,11 +171,6 @@ private:
     std::unique_ptr<DeviceMemoryManagerAllocator<Traits>> impl;
 
     const uintptr_t physical_base;
-    const size_t physical_size;
-    const std::span<AHardwareBuffer* const> ahb_windows;
-    const size_t ahb_window_size;
-    const size_t ahb_base;
-    const bool backing_is_shared;
     DeviceInterface* device_inter;
 
     struct TrackedEntry {
@@ -273,7 +234,6 @@ private:
         (1ULL << (device_virtual_bits - page_bits)) / subentries;
     using CachedPages = std::array<CounterEntry, num_counter_entries>;
     std::unique_ptr<CachedPages> cached_pages;
-    std::unique_ptr<CachedPages> texture_cached_pages;
     Common::RangeMutex counter_guard;
     std::mutex mapping_guard;
 

src/core/device_memory_manager.inc

@@ -171,18 +171,12 @@ struct DeviceMemoryManagerAllocator {
 template <typename Traits>
 DeviceMemoryManager<Traits>::DeviceMemoryManager(const DeviceMemory& device_memory_)
     : physical_base{uintptr_t(device_memory_.buffer.BackingBasePointer())}
-    , physical_size{device_memory_.buffer.BackingSize()}
-    , ahb_windows{device_memory_.buffer.BackingHardwareBuffers()}
-    , ahb_window_size{device_memory_.buffer.BackingHardwareBufferWindowSize()}
-    , ahb_base{device_memory_.buffer.BackingHardwareBufferBase()}
-    , backing_is_shared{device_memory_.buffer.IsBackingShared()}
     , device_inter{nullptr}
     , compressed_device_addr(1ULL << ((Settings::values.memory_layout_mode.GetValue() == Settings::MemoryLayout::Memory_4Gb ? physical_min_bits : physical_max_bits) - Memory::YUZU_PAGEBITS))
     , tracked_entries(device_as_size >> Memory::YUZU_PAGEBITS)
 {
     impl = std::make_unique<DeviceMemoryManagerAllocator<Traits>>();
     cached_pages = std::make_unique<CachedPages>();
-    texture_cached_pages = std::make_unique<CachedPages>();
 
     const size_t total_virtual = device_as_size >> Memory::YUZU_PAGEBITS;
     for (size_t i = 0; i < total_virtual; i++) {
@@ -631,28 +625,6 @@ void DeviceMemoryManager<Traits>::UpdatePagesCachedCount(DAddr addr, size_t size
     UpdatePagesCachedCountNoLock(addr, size, delta);
 }
 
-template <typename Traits>
-void DeviceMemoryManager<Traits>::UpdateTexturePagesCount(DAddr addr, size_t size, s32 delta) {
-    Common::ScopedRangeLock lk(counter_guard, addr, size);
-    const size_t page_end = Common::DivCeil(addr + size, Memory::YUZU_PAGESIZE);
-    for (size_t page = addr >> Memory::YUZU_PAGEBITS; page != page_end; ++page) {
-        CounterAtomicType& count = texture_cached_pages->at(page >> subentries_shift).Count(page);
-        count.fetch_add(static_cast<CounterType>(delta), std::memory_order_release);
-    }
-}
-
-template <typename Traits>
-bool DeviceMemoryManager<Traits>::IsRegionTextureCached(DAddr addr, size_t size) const noexcept {
-    const size_t page_end = Common::DivCeil(addr + size, Memory::YUZU_PAGESIZE);
-    for (size_t page = addr >> Memory::YUZU_PAGEBITS; page != page_end; ++page) {
-        if (texture_cached_pages->at(page >> subentries_shift).Count(page).load(
-                std::memory_order_acquire) != 0) {
-            return true;
-        }
-    }
-    return false;
-}
-
 template <typename Traits>
 void DeviceMemoryManager<Traits>::UpdatePagesCachedBatch(std::span<const std::pair<DAddr, size_t>> ranges, s32 delta) {
     if (ranges.empty()) {

src/core/file_sys/registered_cache.cpp

@@ -984,6 +984,22 @@ bool RegisteredCache::RemoveExistingEntry(u64 title_id) const {
     return removed_data;
 }
 
+bool RegisteredCache::Delete(const NcaID& id) const {
+    const auto path = GetRelativePathFromNcaID(id, false, true, false);
+
+    const bool is_file = dir->GetFileRelative(path) != nullptr;
+    const bool is_dir = dir->GetDirectoryRelative(path) != nullptr;
+
+    if (is_file) {
+        return dir->DeleteFile(path);
+    }
+    if (is_dir) {
+        return dir->DeleteSubdirectoryRecursive(path);
+    }
+
+    return true;
+}
+
 InstallResult RegisteredCache::RawInstallNCA(const NCA& nca, const VfsCopyFunction& copy,
                                              bool overwrite_if_exists,
                                              std::optional<NcaID> override_id) {

src/core/file_sys/registered_cache.h

@@ -188,6 +188,7 @@ public:
 
     // Removes an existing entry based on title id
     bool RemoveExistingEntry(u64 title_id) const;
+    bool Delete(const NcaID& id) const;
 
 private:
     template <typename T>

src/core/file_sys/vfs/vfs_real.cpp

@@ -35,6 +35,16 @@ namespace {
 
 constexpr size_t MaxOpenFiles = 8192;
 
+bool IsWithinRoot(std::string_view root, std::string_view full_path) {
+    if (root.empty())
+        return true;
+
+    if (full_path.size() < root.size() || full_path.substr(0, root.size()) != root)
+        return false;
+
+    return full_path.size() == root.size() || full_path[root.size()] == '/' || full_path[root.size()] == '\\';
+}
+
 constexpr FS::FileAccessMode ModeFlagsToFileAccessMode(OpenMode mode) {
     switch (mode) {
     case OpenMode::Read:
@@ -403,7 +413,8 @@ RealVfsDirectory::~RealVfsDirectory() = default;
 
 VirtualFile RealVfsDirectory::GetFileRelative(std::string_view relative_path) const {
     const auto full_path = FS::SanitizePath(path + '/' + std::string(relative_path));
-    if (!FS::Exists(full_path) || FS::IsDir(full_path)) {
+    if (!FS::Exists(full_path) || FS::IsDir(full_path)
+        || !IsWithinRoot(FS::SanitizePath(path), full_path)) {
         return nullptr;
     }
     return base.OpenFile(full_path, perms);
@@ -411,7 +422,8 @@ VirtualFile RealVfsDirectory::GetFileRelative(std::string_view relative_path) co
 
 VirtualDir RealVfsDirectory::GetDirectoryRelative(std::string_view relative_path) const {
     const auto full_path = FS::SanitizePath(path + '/' + std::string(relative_path));
-    if (!FS::Exists(full_path) || !FS::IsDir(full_path)) {
+    if (!FS::Exists(full_path) || !FS::IsDir(full_path)
+        || !IsWithinRoot(FS::SanitizePath(path), full_path)) {
         return nullptr;
     }
     return base.OpenDirectory(full_path, perms);
@@ -427,7 +439,7 @@ VirtualDir RealVfsDirectory::GetSubdirectory(std::string_view name) const {
 
 VirtualFile RealVfsDirectory::CreateFileRelative(std::string_view relative_path) {
     const auto full_path = FS::SanitizePath(path + '/' + std::string(relative_path));
-    if (!FS::CreateParentDirs(full_path)) {
+    if (!FS::CreateParentDirs(full_path) || !IsWithinRoot(FS::SanitizePath(path), full_path)) {
         return nullptr;
     }
     return base.CreateFile(full_path, perms);
@@ -440,7 +452,7 @@ VirtualDir RealVfsDirectory::CreateDirectoryRelative(std::string_view relative_p
 
 bool RealVfsDirectory::DeleteSubdirectoryRecursive(std::string_view name) {
     const auto full_path = FS::SanitizePath(this->path + '/' + std::string(name));
-    return base.DeleteDirectory(full_path);
+    return FS::RemoveDirRecursively(full_path);
 }
 
 std::vector<VirtualFile> RealVfsDirectory::GetFiles() const {
@@ -506,7 +518,7 @@ VirtualFile RealVfsDirectory::CreateFile(std::string_view name) {
 
 bool RealVfsDirectory::DeleteSubdirectory(std::string_view name) {
     const std::string subdir_path = (path + '/').append(name);
-    return base.DeleteDirectory(subdir_path);
+    return FS::RemoveDir(subdir_path);
 }
 
 bool RealVfsDirectory::DeleteFile(std::string_view name) {

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

@@ -57,7 +57,7 @@ ISelfController::ISelfController(Core::System& system_, std::shared_ptr<Applet>
         {64, nullptr, "SetInputDetectionSourceSet"},
         {65, D<&ISelfController::ReportUserIsActive>, "ReportUserIsActive"},
         {66, nullptr, "GetCurrentIlluminance"},
-        {67, nullptr, "IsIlluminanceAvailable"},
+        {67, D<&ISelfController::IsIlluminanceAvailable>, "IsIlluminanceAvailable"},
         {68, D<&ISelfController::SetAutoSleepDisabled>, "SetAutoSleepDisabled"},
         {69, D<&ISelfController::IsAutoSleepDisabled>, "IsAutoSleepDisabled"},
         {70, nullptr, "ReportMultimediaError"},
@@ -347,6 +347,12 @@ Result ISelfController::IsAutoSleepDisabled(Out<bool> out_is_auto_sleep_disabled
     R_SUCCEED();
 }
 
+Result ISelfController::IsIlluminanceAvailable(Out<bool> out_is_illuminance_available) {
+    LOG_WARNING(Service_AM, "(stubbed)");
+    *out_is_illuminance_available = false;
+    R_SUCCEED();
+}
+
 Result ISelfController::SetInputDetectionPolicy(InputDetectionPolicy input_detection_policy) {
     LOG_WARNING(Service_AM, "(STUBBED) called");
     R_SUCCEED();

src/core/hle/service/am/service/self_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
@@ -60,6 +60,7 @@ private:
     Result ReportUserIsActive();
     Result SetAutoSleepDisabled(bool is_auto_sleep_disabled);
     Result IsAutoSleepDisabled(Out<bool> out_is_auto_sleep_disabled);
+    Result IsIlluminanceAvailable(Out<bool> out_is_illuminance_available);
     Result SetInputDetectionPolicy(InputDetectionPolicy input_detection_policy);
     Result GetAccumulatedSuspendedTickValue(Out<u64> out_accumulated_suspended_tick_value);
     Result GetAccumulatedSuspendedTickChangedEvent(OutCopyHandle<Kernel::KReadableEvent> out_event);

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

@@ -43,6 +43,16 @@ static FileSys::VirtualDir GetDirectoryRelativeWrapped(FileSys::VirtualDir base,
     return base->GetDirectoryRelative(dir_name);
 }
 
+static std::string_view GetGuestParentPath(std::string_view path) {
+    const auto name_index = path.find_last_of("\\/");
+    return name_index == std::string_view::npos ? std::string_view{} : path.substr(0, name_index);
+}
+
+static std::string_view GetGuestFilename(std::string_view path) {
+    const auto name_index = path.find_last_of("\\/");
+    return name_index == std::string_view::npos ? path : path.substr(name_index + 1);
+}
+
 VfsDirectoryServiceWrapper::VfsDirectoryServiceWrapper(FileSys::VirtualDir backing_)
     : backing(std::move(backing_)) {}
 
@@ -83,11 +93,12 @@ Result VfsDirectoryServiceWrapper::DeleteFile(const std::string& path_) const {
         return ResultSuccess;
     }
 
-    auto dir = GetDirectoryRelativeWrapped(backing, Common::FS::GetParentPath(path));
-    if (dir == nullptr || dir->GetFile(Common::FS::GetFilename(path)) == nullptr) {
+    const auto filename = GetGuestFilename(path);
+    auto dir = GetDirectoryRelativeWrapped(backing, GetGuestParentPath(path));
+    if (filename.empty() || dir == nullptr || dir->GetFile(filename) == nullptr) {
         return FileSys::ResultPathNotFound;
     }
-    if (!dir->DeleteFile(Common::FS::GetFilename(path))) {
+    if (!dir->DeleteFile(filename)) {
         // TODO(DarkLordZach): Find a better error code for this
         return ResultUnknown;
     }
@@ -97,7 +108,9 @@ Result VfsDirectoryServiceWrapper::DeleteFile(const std::string& path_) const {
 
 Result VfsDirectoryServiceWrapper::CreateDirectory(const std::string& path_) const {
     std::string path(Common::FS::SanitizePath(path_));
-
+    if (GetDirectoryRelativeWrapped(backing, path) != nullptr) {
+        return FileSys::ResultPathAlreadyExists;
+    }
     // NOTE: This is inaccurate behavior. CreateDirectory is not recursive.
     // CreateDirectory should return PathNotFound if the parent directory does not exist.
     // This is here temporarily in order to have UMM "work" in the meantime.
@@ -117,8 +130,19 @@ Result VfsDirectoryServiceWrapper::CreateDirectory(const std::string& path_) con
 
 Result VfsDirectoryServiceWrapper::DeleteDirectory(const std::string& path_) const {
     std::string path(Common::FS::SanitizePath(path_));
-    auto dir = GetDirectoryRelativeWrapped(backing, Common::FS::GetParentPath(path));
-    if (!dir->DeleteSubdirectory(Common::FS::GetFilename(path))) {
+    const auto dirname = GetGuestFilename(path);
+    auto dir = GetDirectoryRelativeWrapped(backing, GetGuestParentPath(path));
+    FileSys::VirtualDir target{};
+    if (!dirname.empty() && dir != nullptr) {
+        target = dir->GetSubdirectory(dirname);
+    }
+    if (target == nullptr) {
+        return FileSys::ResultPathNotFound;
+    }
+    if (!target->GetFiles().empty() || !target->GetSubdirectories().empty()) {
+        return ResultUnknown;
+    }
+    if (!dir->DeleteSubdirectory(dirname)) {
         // TODO(DarkLordZach): Find a better error code for this
         return ResultUnknown;
     }
@@ -127,8 +151,12 @@ Result VfsDirectoryServiceWrapper::DeleteDirectory(const std::string& path_) con
 
 Result VfsDirectoryServiceWrapper::DeleteDirectoryRecursively(const std::string& path_) const {
     std::string path(Common::FS::SanitizePath(path_));
-    auto dir = GetDirectoryRelativeWrapped(backing, Common::FS::GetParentPath(path));
-    if (!dir->DeleteSubdirectoryRecursive(Common::FS::GetFilename(path))) {
+    const auto dirname = GetGuestFilename(path);
+    auto dir = GetDirectoryRelativeWrapped(backing, GetGuestParentPath(path));
+    if (dirname.empty() || dir == nullptr || dir->GetSubdirectory(dirname) == nullptr) {
+        return FileSys::ResultPathNotFound;
+    }
+    if (!dir->DeleteSubdirectoryRecursive(dirname)) {
         // TODO(DarkLordZach): Find a better error code for this
         return ResultUnknown;
     }
@@ -137,9 +165,13 @@ Result VfsDirectoryServiceWrapper::DeleteDirectoryRecursively(const std::string&
 
 Result VfsDirectoryServiceWrapper::CleanDirectoryRecursively(const std::string& path) const {
     const std::string sanitized_path(Common::FS::SanitizePath(path));
-    auto dir = GetDirectoryRelativeWrapped(backing, Common::FS::GetParentPath(sanitized_path));
+    const auto dirname = GetGuestFilename(sanitized_path);
+    auto dir = GetDirectoryRelativeWrapped(backing, GetGuestParentPath(sanitized_path));
 
-    if (!dir->CleanSubdirectoryRecursive(Common::FS::GetFilename(sanitized_path))) {
+    if (dirname.empty() || dir == nullptr || dir->GetSubdirectory(dirname) == nullptr) {
+        return FileSys::ResultPathNotFound;
+    }
+    if (!dir->CleanSubdirectoryRecursive(dirname)) {
         // TODO(DarkLordZach): Find a better error code for this
         return ResultUnknown;
     }

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

@@ -237,7 +237,7 @@ IHidServer::IHidServer(Core::System& system_, std::shared_ptr<ResourceManager> r
         {3013, nullptr, "SetDebugPadGenericPadMap"}, //21.0.0+
         {3014, nullptr, "GetDebugPadKeyboardMap"}, //21.0.0+
         {3015, nullptr, "SetDebugPadKeyboardMap"}, //21.0.0+
-        {3150, nullptr, "SetMouseLibraryVersion"}, //21.0.0+
+        {3150, C<&IHidServer::SetMouseLibraryVersion>, "SetMouseLibraryVersion"}, //21.0.0+
         // What? -- {12010, nullptr, "SetButtonConfigLeft"},
     };
     // clang-format on
@@ -1471,6 +1471,12 @@ Result IHidServer::SetTouchScreenResolution(u32 width, u32 height,
     R_SUCCEED();
 }
 
+Result IHidServer::SetMouseLibraryVersion(ClientAppletResourceUserId aruid) {
+    LOG_INFO(Service_HID, "(STUBBED) called, applet_resource_user_id={}", aruid.pid);
+
+    R_SUCCEED();
+}
+
 std::shared_ptr<ResourceManager> IHidServer::GetResourceManager() {
     resource_manager->Initialize();
     return resource_manager;

src/core/hle/service/hid/hid_server.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 2023 yuzu Emulator Project
@@ -263,6 +263,7 @@ private:
     Result IsFirmwareUpdateNeededForNotification(Out<bool> out_is_firmware_update_needed,
                                                  s32 unknown, ClientAppletResourceUserId aruid);
     Result SetTouchScreenResolution(u32 width, u32 height, ClientAppletResourceUserId aruid);
+    Result SetMouseLibraryVersion(ClientAppletResourceUserId aruid);
 
     std::shared_ptr<ResourceManager> resource_manager;
     std::shared_ptr<HidFirmwareSettings> firmware_settings;

src/core/hle/service/ncm/ncm.cpp

@@ -1,9 +1,19 @@
+// 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 <algorithm>
+#include <array>
 #include <memory>
+#include <vector>
 
+#include "core/core.h"
+#include "core/file_sys/registered_cache.h"
 #include "core/file_sys/romfs_factory.h"
+#include "core/hle/api_version.h"
+#include "core/hle/service/filesystem/filesystem.h"
 #include "core/hle/service/ipc_helpers.h"
 #include "core/hle/service/ncm/ncm.h"
 #include "core/hle/service/server_manager.h"
@@ -88,6 +98,268 @@ public:
     }
 };
 
+class IContentStorage final : public ServiceFramework<IContentStorage> {
+public:
+    explicit IContentStorage(Core::System& system_, FileSys::StorageId id)
+        : ServiceFramework{system_, "IContentStorage"}, storage{id} {
+        // clang-format off
+        static const FunctionInfo functions[] = {
+            {0, &IContentStorage::GeneratePlaceHolderId, "GeneratePlaceHolderId"},
+            {1, &IContentStorage::CreatePlaceHolder, "CreatePlaceHolder"},
+            {2, &IContentStorage::DeletePlaceHolder, "DeletePlaceHolder"},
+            {4, &IContentStorage::WritePlaceHolder, "WritePlaceHolder"},
+            {5, &IContentStorage::Register, "Register"},
+            {6, &IContentStorage::Delete, "Delete"},
+        };
+        // clang-format on
+
+        RegisterHandlers(functions);
+    }
+
+private:
+    void GeneratePlaceHolderId(HLERequestContext& ctx) {
+        LOG_DEBUG(Service_NCM, "called");
+
+        IPC::ResponseBuilder rb{ctx, 6};
+        rb.Push(ResultSuccess);
+        rb.PushRaw(FileSys::PlaceholderCache::Generate());
+    }
+
+    void CreatePlaceHolder(HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+        [[maybe_unused]] FileSys::NcaID content_id{};
+        FileSys::NcaID placeholder_id{};
+        if constexpr (HLE::ApiVersion::HOS_VERSION_MAJOR >= 16) {
+            placeholder_id = rp.PopRaw<FileSys::NcaID>();
+            content_id = rp.PopRaw<FileSys::NcaID>();
+        } else {
+            content_id = rp.PopRaw<FileSys::NcaID>();
+            placeholder_id = rp.PopRaw<FileSys::NcaID>();
+        }
+        const auto size = rp.Pop<s64>();
+
+        auto* const placeholder_cache =
+            system.GetFileSystemController().GetPlaceholderCacheForStorage(storage);
+        const bool succeeded =
+            placeholder_cache != nullptr && size >= 0 &&
+            (placeholder_cache->Exists(placeholder_id) ||
+             placeholder_cache->Create(placeholder_id, static_cast<u64>(size)));
+
+        if (succeeded) {
+            LOG_DEBUG(Service_NCM, "called, storage_id={}, size={}", static_cast<u32>(storage),
+                      size);
+        } else {
+            LOG_WARNING(Service_NCM, "failed, storage_id={}, size={}", static_cast<u32>(storage),
+                        size);
+        }
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(succeeded ? ResultSuccess : ResultUnknown);
+    }
+
+    void DeletePlaceHolder(HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+        const auto placeholder_id = rp.PopRaw<FileSys::NcaID>();
+
+        auto* const placeholder_cache =
+            system.GetFileSystemController().GetPlaceholderCacheForStorage(storage);
+        const bool succeeded =
+            placeholder_cache != nullptr &&
+            (!placeholder_cache->Exists(placeholder_id) || placeholder_cache->Delete(placeholder_id));
+
+        if (succeeded) {
+            LOG_DEBUG(Service_NCM, "called, storage_id={}", static_cast<u32>(storage));
+        } else {
+            LOG_WARNING(Service_NCM, "failed, storage_id={}", static_cast<u32>(storage));
+        }
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(succeeded ? ResultSuccess : ResultUnknown);
+    }
+
+    void WritePlaceHolder(HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+        const auto placeholder_id = rp.PopRaw<FileSys::NcaID>();
+        const auto offset = rp.Pop<u64>();
+        const auto data = ctx.ReadBuffer();
+
+        auto* const placeholder_cache =
+            system.GetFileSystemController().GetPlaceholderCacheForStorage(storage);
+        const std::vector<u8> write_data{data.begin(), data.end()};
+        const bool succeeded =
+            placeholder_cache != nullptr &&
+            placeholder_cache->Write(placeholder_id, offset, write_data);
+
+        if (succeeded) {
+            LOG_DEBUG(Service_NCM, "called, storage_id={}, offset={}, size={}",
+                      static_cast<u32>(storage), offset, data.size());
+        } else {
+            LOG_WARNING(Service_NCM, "failed, storage_id={}, offset={}, size={}",
+                        static_cast<u32>(storage), offset, data.size());
+        }
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(succeeded ? ResultSuccess : ResultUnknown);
+    }
+
+    void Register(HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+        FileSys::NcaID content_id{};
+        FileSys::NcaID placeholder_id{};
+        if constexpr (HLE::ApiVersion::HOS_VERSION_MAJOR >= 16) {
+            placeholder_id = rp.PopRaw<FileSys::NcaID>();
+            content_id = rp.PopRaw<FileSys::NcaID>();
+        } else {
+            content_id = rp.PopRaw<FileSys::NcaID>();
+            placeholder_id = rp.PopRaw<FileSys::NcaID>();
+        }
+
+        auto& fsc = system.GetFileSystemController();
+        auto* const placeholder_cache = fsc.GetPlaceholderCacheForStorage(storage);
+        auto* const registered_cache = fsc.GetRegisteredCacheForStorage(storage);
+        const bool succeeded =
+            placeholder_cache != nullptr && registered_cache != nullptr &&
+            placeholder_cache->Register(registered_cache, placeholder_id, content_id);
+
+        if (succeeded) {
+            LOG_DEBUG(Service_NCM, "called, storage_id={}", static_cast<u32>(storage));
+        } else {
+            LOG_WARNING(Service_NCM, "failed, storage_id={}", static_cast<u32>(storage));
+        }
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(succeeded ? ResultSuccess : ResultUnknown);
+    }
+
+    void Delete(HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+        const auto content_id = rp.PopRaw<FileSys::NcaID>();
+
+        auto* const registered_cache =
+            system.GetFileSystemController().GetRegisteredCacheForStorage(storage);
+        const bool succeeded = registered_cache != nullptr && registered_cache->Delete(content_id);
+        if (succeeded) {
+            registered_cache->Refresh();
+        }
+
+        if (succeeded) {
+            LOG_DEBUG(Service_NCM, "called, storage_id={}", static_cast<u32>(storage));
+        } else {
+            LOG_WARNING(Service_NCM, "failed, storage_id={}", static_cast<u32>(storage));
+        }
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(succeeded ? ResultSuccess : ResultUnknown);
+    }
+
+    FileSys::StorageId storage;
+};
+
+class IContentMetaDatabase final : public ServiceFramework<IContentMetaDatabase> {
+public:
+    explicit IContentMetaDatabase(Core::System& system_, FileSys::StorageId id)
+        : ServiceFramework{system_, "IContentMetaDatabase"}, storage{id} {
+        // clang-format off
+        static const FunctionInfo functions[] = {
+            {0, &IContentMetaDatabase::Set, "Set"},
+            {2, &IContentMetaDatabase::Remove, "Remove"},
+            {8, &IContentMetaDatabase::Has, "Has"},
+            {15, &IContentMetaDatabase::Commit, "Commit"},
+        };
+        // clang-format on
+
+        RegisterHandlers(functions);
+    }
+
+private:
+    struct ContentMetaKey {
+        u64 id;
+        u32 version;
+        FileSys::TitleType type;
+        u8 install_type;
+        std::array<u8, 2> padding;
+    };
+    static_assert(sizeof(ContentMetaKey) == 0x10);
+
+    void Set(HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+        const auto key = rp.PopRaw<ContentMetaKey>();
+
+        const auto entry_matches = [&key](const ContentMetaKey& entry) {
+            return entry.id == key.id && entry.version == key.version && entry.type == key.type &&
+                   entry.install_type == key.install_type;
+        };
+        if (std::find_if(entries.begin(), entries.end(), entry_matches) == entries.end()) {
+            entries.push_back(key);
+        }
+
+        LOG_DEBUG(Service_NCM,
+                  "called, storage_id={}, title_id={:016X}, version={}, type={}, size={}",
+                  static_cast<u32>(storage), key.id, key.version, static_cast<u8>(key.type),
+                  ctx.GetReadBufferSize());
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(ResultSuccess);
+    }
+
+    void Remove(HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+        const auto key = rp.PopRaw<ContentMetaKey>();
+
+        std::erase_if(entries, [&key](const ContentMetaKey& entry) {
+            return entry.id == key.id && entry.version == key.version && entry.type == key.type &&
+                   entry.install_type == key.install_type;
+        });
+
+        LOG_DEBUG(Service_NCM, "called, storage_id={}, title_id={:016X}, version={}, type={}",
+                  static_cast<u32>(storage), key.id, key.version, static_cast<u8>(key.type));
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(ResultSuccess);
+    }
+
+    void Has(HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+        const auto key = rp.PopRaw<ContentMetaKey>();
+
+        const bool has_pending =
+            std::find_if(entries.begin(), entries.end(), [&key](const ContentMetaKey& entry) {
+                return entry.id == key.id && entry.version == key.version &&
+                       entry.type == key.type && entry.install_type == key.install_type;
+            }) != entries.end();
+
+        auto* const registered_cache =
+            system.GetFileSystemController().GetRegisteredCacheForStorage(storage);
+        const bool has_registered =
+            registered_cache != nullptr &&
+            registered_cache->HasEntry(key.id, FileSys::ContentRecordType::Meta);
+
+        LOG_DEBUG(Service_NCM, "called, storage_id={}, title_id={:016X}, version={}, type={}, has={}",
+                  static_cast<u32>(storage), key.id, key.version, static_cast<u8>(key.type),
+                  has_pending || has_registered);
+
+        IPC::ResponseBuilder rb{ctx, 3};
+        rb.Push(ResultSuccess);
+        rb.Push(has_pending || has_registered);
+    }
+
+    void Commit(HLERequestContext& ctx) {
+        auto* const registered_cache =
+            system.GetFileSystemController().GetRegisteredCacheForStorage(storage);
+        if (registered_cache != nullptr) {
+            registered_cache->Refresh();
+        }
+
+        LOG_DEBUG(Service_NCM, "called, storage_id={}", static_cast<u32>(storage));
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(ResultSuccess);
+    }
+
+    FileSys::StorageId storage;
+    std::vector<ContentMetaKey> entries;
+};
+
 class LR final : public ServiceFramework<LR> {
 public:
     explicit LR(Core::System& system_) : ServiceFramework{system_, "lr"} {
@@ -113,8 +385,8 @@ public:
             {1, nullptr, "CreateContentMetaDatabase"},
             {2, nullptr, "VerifyContentStorage"},
             {3, nullptr, "VerifyContentMetaDatabase"},
-            {4, nullptr, "OpenContentStorage"},
-            {5, nullptr, "OpenContentMetaDatabase"},
+            {4, &NCM::OpenContentStorage, "OpenContentStorage"},
+            {5, &NCM::OpenContentMetaDatabase, "OpenContentMetaDatabase"},
             {6, nullptr, "CloseContentStorageForcibly"},
             {7, nullptr, "CloseContentMetaDatabaseForcibly"},
             {8, nullptr, "CleanupContentMetaDatabase"},
@@ -130,6 +402,29 @@ public:
 
         RegisterHandlers(functions);
     }
+
+private:
+    void OpenContentStorage(HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+        const auto storage_id = rp.PopEnum<FileSys::StorageId>();
+
+        LOG_DEBUG(Service_NCM, "called, storage_id={}", static_cast<u32>(storage_id));
+
+        IPC::ResponseBuilder rb{ctx, 2, 0, 1};
+        rb.Push(ResultSuccess);
+        rb.PushIpcInterface<IContentStorage>(ctx, system, storage_id);
+    }
+
+    void OpenContentMetaDatabase(HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+        const auto storage_id = rp.PopEnum<FileSys::StorageId>();
+
+        LOG_DEBUG(Service_NCM, "called, storage_id={}", static_cast<u32>(storage_id));
+
+        IPC::ResponseBuilder rb{ctx, 2, 0, 1};
+        rb.Push(ResultSuccess);
+        rb.PushIpcInterface<IContentMetaDatabase>(ctx, system, storage_id);
+    }
 };
 
 void LoopProcess(Core::System& system) {

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

@@ -9,6 +9,7 @@
 #include "core/file_sys/registered_cache.h"
 #include "core/hle/service/cmif_serialization.h"
 #include "core/hle/service/filesystem/filesystem.h"
+#include "core/hle/service/ipc_helpers.h"
 #include "core/hle/service/ns/application_manager_interface.h"
 
 #include "core/file_sys/content_archive.h"
@@ -19,6 +20,7 @@
 #include "core/launch_timestamp_cache.h"
 
 #include <algorithm>
+#include <cstring>
 #include <vector>
 
 namespace Service::NS {
@@ -36,14 +38,14 @@ IApplicationManagerInterface::IApplicationManagerInterface(Core::System& system_
         {1, nullptr, "GenerateApplicationRecordCount"},
         {2, D<&IApplicationManagerInterface::GetApplicationRecordUpdateSystemEvent>, "GetApplicationRecordUpdateSystemEvent"},
         {3, nullptr, "GetApplicationViewDeprecated"},
-        {4, nullptr, "DeleteApplicationEntity"},
-        {5, nullptr, "DeleteApplicationCompletely"},
+        {4, D<&IApplicationManagerInterface::DeleteApplicationEntity>, "DeleteApplicationEntity"},
+        {5, D<&IApplicationManagerInterface::DeleteApplicationCompletely>, "DeleteApplicationCompletely"},
         {6, nullptr, "IsAnyApplicationEntityRedundant"},
         {7, nullptr, "DeleteRedundantApplicationEntity"},
         {8, nullptr, "IsApplicationEntityMovable"},
         {9, nullptr, "MoveApplicationEntity"},
         {11, nullptr, "CalculateApplicationOccupiedSize"},
-        {16, nullptr, "PushApplicationRecord"},
+        {16, &IApplicationManagerInterface::PushApplicationRecord, "PushApplicationRecord"},
         {17, nullptr, "ListApplicationRecordContentMeta"},
         {19, nullptr, "LaunchApplicationOld"},
         {21, nullptr, "GetApplicationContentPath"},
@@ -643,6 +645,27 @@ Result IApplicationManagerInterface::IsAnyApplicationEntityInstalled(
     R_SUCCEED();
 }
 
+Result IApplicationManagerInterface::DeleteApplicationEntity(u64 application_id) {
+    LOG_DEBUG(Service_NS, "called, application_id={:016X}", application_id);
+
+    auto& fsc = system.GetFileSystemController();
+    if (auto* const user_cache = fsc.GetUserNANDContents(); user_cache != nullptr) {
+        user_cache->RemoveExistingEntry(application_id);
+        user_cache->Refresh();
+    }
+    if (auto* const sdmc_cache = fsc.GetSDMCContents(); sdmc_cache != nullptr) {
+        sdmc_cache->RemoveExistingEntry(application_id);
+        sdmc_cache->Refresh();
+    }
+
+    record_update_system_event.Signal(system.Kernel());
+    R_SUCCEED();
+}
+
+Result IApplicationManagerInterface::DeleteApplicationCompletely(u64 application_id) {
+    R_RETURN(DeleteApplicationEntity(application_id));
+}
+
 Result IApplicationManagerInterface::GetApplicationViewDeprecated(
     OutArray<ApplicationViewV19, BufferAttr_HipcMapAlias> out_application_views,
     InArray<u64, BufferAttr_HipcMapAlias> application_ids) {
@@ -843,6 +866,29 @@ Result IApplicationManagerInterface::Unknown4053() {
     R_SUCCEED();
 }
 
+void IApplicationManagerInterface::PushApplicationRecord(HLERequestContext& ctx) {
+    const auto record = ctx.ReadBuffer();
+    u64 application_id{};
+    if (record.size() >= sizeof(application_id)) {
+        std::memcpy(&application_id, record.data(), sizeof(application_id));
+    }
+
+    LOG_DEBUG(Service_NS, "called, application_id={:016X}, size={}", application_id, record.size());
+
+    auto& fsc = system.GetFileSystemController();
+    if (auto* const user_cache = fsc.GetUserNANDContents(); user_cache != nullptr) {
+        user_cache->Refresh();
+    }
+    if (auto* const sdmc_cache = fsc.GetSDMCContents(); sdmc_cache != nullptr) {
+        sdmc_cache->Refresh();
+    }
+
+    record_update_system_event.Signal(system.Kernel());
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(ResultSuccess);
+}
+
 void IApplicationManagerInterface::ListApplicationTitle(HLERequestContext& ctx) {
     LOG_DEBUG(Service_NS, "called");
     IReadOnlyApplicationControlDataInterface(system).ListApplicationTitle(ctx);

src/core/hle/service/ns/application_manager_interface.h

@@ -56,6 +56,8 @@ public:
     Result ResumeAll();
     Result IsQualificationTransitionSupportedByProcessId(Out<bool> out_is_supported,
                                                          u64 process_id);
+    Result DeleteApplicationEntity(u64 application_id);
+    Result DeleteApplicationCompletely(u64 application_id);
     Result GetStorageSize(Out<s64> out_total_space_size, Out<s64> out_free_space_size,
                           FileSys::StorageId storage_id);
     Result TouchApplication(u64 application_id);
@@ -74,6 +76,7 @@ public:
     Result RequestDownloadApplicationControlDataInBackground(u64 control_source,
                                                              u64 application_id);
 
+    void PushApplicationRecord(HLERequestContext& ctx);
     void ListApplicationTitle(HLERequestContext& ctx);
 
 private:

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

@@ -375,42 +375,39 @@ NvResult nvhost_as_gpu::MapBufferEx(IoctlMapBufferEx& params) {
         mapping_map.insert_or_assign(params.offset, Mapping(params.handle, device_address, params.offset, size, false, big_page, false));
     }
 
+    map_buffer_offsets.insert(params.offset);
+
     return NvResult::Success;
 }
 
 NvResult nvhost_as_gpu::UnmapBuffer(IoctlUnmapBuffer& params) {
-    LOG_DEBUG(Service_NVDRV, "called, offset={:#X}", params.offset);
-
     std::scoped_lock lock(mutex);
+    if (auto const offset_it = map_buffer_offsets.find(params.offset); offset_it != map_buffer_offsets.end()) {
+        LOG_DEBUG(Service_NVDRV, "called, offset={:#X}", params.offset);
+        if (!vm.initialised) {
+            return NvResult::BadValue;
+        }
 
-    if (!vm.initialised) {
-        return NvResult::BadValue;
+        auto const it = mapping_map.find(params.offset);
+        auto const mapping = it->second;
+        if (!mapping.fixed) {
+            auto& allocator{mapping.big_page ? *vm.big_page_allocator : *vm.small_page_allocator};
+            u32 page_size_bits{mapping.big_page ? vm.big_page_size_bits : VM::PAGE_SIZE_BITS};
+            allocator.Free(u32(mapping.offset >> page_size_bits), u32(mapping.size >> page_size_bits));
+        }
+
+        // Sparse mappings shouldn't be fully unmapped, just returned to their sparse state
+        // Only FreeSpace can unmap them fully
+        if (mapping.sparse_alloc) {
+            gmmu->MapSparse(params.offset, mapping.size, mapping.big_page);
+        } else {
+            gmmu->Unmap(params.offset, mapping.size);
+        }
+
+        nvmap.UnpinHandle(mapping.handle);
+        mapping_map.erase(params.offset);
+        map_buffer_offsets.erase(params.offset);
     }
-
-    auto const it = mapping_map.find(params.offset);
-    if (it == mapping_map.end()) {
-        LOG_WARNING(Service_NVDRV, "Couldn't find region to unmap at {:#X}", params.offset);
-        return NvResult::Success;
-    }
-
-    auto const mapping = it->second;
-    if (!mapping.fixed) {
-        auto& allocator{mapping.big_page ? *vm.big_page_allocator : *vm.small_page_allocator};
-        u32 page_size_bits{mapping.big_page ? vm.big_page_size_bits : VM::PAGE_SIZE_BITS};
-        allocator.Free(u32(mapping.offset >> page_size_bits), u32(mapping.size >> page_size_bits));
-    }
-
-    // Sparse mappings shouldn't be fully unmapped, just returned to their sparse state
-    // Only FreeSpace can unmap them fully
-    if (mapping.sparse_alloc) {
-        gmmu->MapSparse(params.offset, mapping.size, mapping.big_page);
-    } else {
-        gmmu->Unmap(params.offset, mapping.size);
-    }
-
-    nvmap.UnpinHandle(mapping.handle);
-    mapping_map.erase(it);
-
     return NvResult::Success;
 }
 

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

@@ -13,6 +13,7 @@
 #include <memory>
 #include <mutex>
 #include <optional>
+#include <ankerl/unordered_dense.h>
 #include <vector>
 
 #include "common/address_space.h"
@@ -112,6 +113,8 @@ private:
     };
     static_assert(sizeof(IoctlRemapEntry) == 20, "IoctlRemapEntry is incorrect size");
 
+    ankerl::unordered_dense::set<s64_le> map_buffer_offsets{};
+
     struct IoctlMapBufferEx {
         MappingFlags flags{}; // bit0: fixed_offset, bit2: cacheable
         u32_le kind{};        // -1 is default

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

@@ -4,7 +4,6 @@
 // SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-#include <algorithm>
 #include <cstring>
 #include "common/assert.h"
 #include "common/logging.h"
@@ -265,7 +264,7 @@ NvResult nvhost_ctrl_gpu::ZCullGetInfo(IoctlNvgpuGpuZcullGetInfoArgs& params) {
 }
 
 NvResult nvhost_ctrl_gpu::ZBCSetTable(IoctlZbcSetTable& params) {
-    if (params.type == 0 || params.type > supported_types) {
+    if (params.type > supported_types) {
         LOG_ERROR(Service_NVDRV, "ZBCSetTable: invalid type {:#X}", params.type);
         return NvResult::BadParameter;
     }
@@ -280,61 +279,42 @@ NvResult nvhost_ctrl_gpu::ZBCSetTable(IoctlZbcSetTable& params) {
             color_entry.format = params.format;
             color_entry.ref_cnt = 1u;
 
-            const auto color_end = zbc_colors.begin() + zbc_used_color_entries;
-            auto color_it = std::find_if(zbc_colors.begin(), color_end,
-                                         [&](const ZbcColorEntry& color_in_question) {
-                                             return color_entry.format == color_in_question.format &&
-                                                    color_entry.color_ds == color_in_question.color_ds &&
-                                                    color_entry.color_l2 == color_in_question.color_l2;
-                                         });
+            auto color_it = std::ranges::find_if(zbc_colors,
+                                                 [&](const ZbcColorEntry& color_in_question) {
+                                                     return color_entry.format == color_in_question.format &&
+                                                            color_entry.color_ds == color_in_question.color_ds &&
+                                                            color_entry.color_l2 == color_in_question.color_l2;
+                                                 });
 
-            if (color_it != color_end) {
+            if (color_it != zbc_colors.end()) {
                 ++color_it->ref_cnt;
                 LOG_DEBUG(Service_NVDRV, "ZBCSetTable: reused color entry fmt={:#X}, ref_cnt={:#X}",
                           params.format, color_it->ref_cnt);
-                break;
+            } else {
+                zbc_colors.push_back(color_entry);
+                LOG_DEBUG(Service_NVDRV, "ZBCSetTable: added color entry fmt={:#X}, index={:#X}",
+                          params.format, zbc_colors.size() - 1);
             }
-
-            if (zbc_used_color_entries >= zbc_table_size) {
-                LOG_WARNING(Service_NVDRV, "ZBCSetTable: color table is full, fmt={:#X}",
-                            params.format);
-                return NvResult::InsufficientMemory;
-            }
-
-            zbc_colors[zbc_used_color_entries] = color_entry;
-            LOG_DEBUG(Service_NVDRV, "ZBCSetTable: added color entry fmt={:#X}, index={:#X}",
-                      params.format, zbc_used_color_entries);
-            ++zbc_used_color_entries;
             break;
         }
         case ZBCTypes::depth: {
             ZbcDepthEntry depth_entry{params.depth, params.format, 1u};
 
-            const auto depth_end = zbc_depths.begin() + zbc_used_depth_entries;
-            auto depth_it = std::find_if(zbc_depths.begin(), depth_end,
-                                         [&](const ZbcDepthEntry& depth_entry_in_question) {
-                                             return depth_entry.format == depth_entry_in_question.format &&
-                                                    depth_entry.depth == depth_entry_in_question.depth;
-                                         });
+            auto depth_it = std::ranges::find_if(zbc_depths,
+                                                 [&](const ZbcDepthEntry& depth_entry_in_question) {
+                                                     return depth_entry.format == depth_entry_in_question.format &&
+                                                            depth_entry.depth == depth_entry_in_question.depth;
+                                                 });
 
-            if (depth_it != depth_end) {
+            if (depth_it != zbc_depths.end()) {
                 ++depth_it->ref_cnt;
                 LOG_DEBUG(Service_NVDRV, "ZBCSetTable: reused depth entry fmt={:#X}, ref_cnt={:#X}",
                           depth_entry.format, depth_it->ref_cnt);
-                break;
+            } else {
+                zbc_depths.push_back(depth_entry);
+                LOG_DEBUG(Service_NVDRV, "ZBCSetTable: added depth entry fmt={:#X}, index={:#X}",
+                          depth_entry.format, zbc_depths.size() - 1);
             }
-
-            if (zbc_used_depth_entries >= zbc_table_size) {
-                LOG_WARNING(Service_NVDRV, "ZBCSetTable: depth table is full, fmt={:#X}",
-                            depth_entry.format);
-                return NvResult::InsufficientMemory;
-            }
-
-            zbc_depths[zbc_used_depth_entries] = depth_entry;
-            LOG_DEBUG(Service_NVDRV, "ZBCSetTable: added depth entry fmt={:#X}, index={:#X}",
-                      depth_entry.format, zbc_used_depth_entries);
-            ++zbc_used_depth_entries;
-            break;
         }
     }
 
@@ -349,34 +329,35 @@ NvResult nvhost_ctrl_gpu::ZBCQueryTable(IoctlZbcQueryTable& params) {
 
     std::scoped_lock lk(zbc_mutex);
 
-    if (params.type == 0) {
-        params.index_size = zbc_table_size;
-        return NvResult::Success;
-    }
-
-    if (params.index_size >= zbc_table_size) {
-        LOG_ERROR(Service_NVDRV, "ZBCQueryTable: invalid index {:#X}", params.index_size);
-        return NvResult::BadParameter;
-    }
-
     switch (static_cast<ZBCTypes>(params.type)) {
         case ZBCTypes::color: {
+            if (params.index_size >= zbc_colors.size()) {
+                LOG_ERROR(Service_NVDRV, "ZBCQueryTable: invalid color index {:#X}", params.index_size);
+                return NvResult::BadParameter;
+            }
+
             const auto& colors = zbc_colors[params.index_size];
             std::copy_n(colors.color_ds.begin(), colors.color_ds.size(), std::begin(params.color_ds));
             std::copy_n(colors.color_l2.begin(), colors.color_l2.size(), std::begin(params.color_l2));
             params.depth = 0;
             params.ref_cnt = colors.ref_cnt;
             params.format = colors.format;
+            params.index_size = static_cast<u32>(zbc_colors.size());
             break;
         }
         case ZBCTypes::depth: {
+            if (params.index_size >= zbc_depths.size()) {
+                LOG_ERROR(Service_NVDRV, "ZBCQueryTable: invalid depth index {:#X}", params.index_size);
+                return NvResult::BadParameter;
+            }
+
             const auto& depth_entry = zbc_depths[params.index_size];
             std::fill(std::begin(params.color_ds), std::end(params.color_ds), 0);
             std::fill(std::begin(params.color_l2), std::end(params.color_l2), 0);
             params.depth = depth_entry.depth;
             params.ref_cnt = depth_entry.ref_cnt;
             params.format = depth_entry.format;
-            break;
+            params.index_size = static_cast<u32>(zbc_depths.size());
         }
     }
 

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

@@ -6,7 +6,7 @@
 
 #pragma once
 
-#include <array>
+#include <vector>
 
 #include "common/common_funcs.h"
 #include "common/common_types.h"
@@ -212,13 +212,9 @@ private:
     Kernel::KEvent* unknown_event;
 
     // ZBC Tables
-    static constexpr u32 zbc_table_size = 15u;
-
     std::mutex zbc_mutex{};
-    std::array<ZbcColorEntry, zbc_table_size> zbc_colors{};
-    std::array<ZbcDepthEntry, zbc_table_size> zbc_depths{};
-    u32 zbc_used_color_entries{};
-    u32 zbc_used_depth_entries{};
+    std::vector<ZbcColorEntry> zbc_colors{};
+    std::vector<ZbcDepthEntry> zbc_depths{};
     const u32 supported_types = 2u;
 };
 

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

@@ -174,9 +174,7 @@ NvResult nvhost_gpu::SetChannelPriority(IoctlChannelSetPriority& params) {
     case ChannelPriority::Low: channel_timeslice = 1300; break;
     case ChannelPriority::Medium: channel_timeslice = 2600; break;
     case ChannelPriority::High: channel_timeslice = 5200; break;
-    default:
-        LOG_WARNING(Service_NVDRV, "unknown channel priority {:#X}", channel_priority);
-        break;
+    default : return NvResult::BadParameter;
     }
 
     return NvResult::Success;
@@ -280,20 +278,18 @@ NvResult nvhost_gpu::AllocateObjectContext(IoctlAllocObjCtx& params) {
         params.flags = allowed_mask;
     }
 
-    params.obj_id = 0;
-
-    s32_le ctx_class_number_index =
+    s32_le ctx_class_number_index = 
         GetObjectContextClassNumberIndex(static_cast<CtxClasses>(params.class_num));
     if (ctx_class_number_index < 0) {
-        LOG_WARNING(Service_NVDRV, "Untracked class number for object context: {:#X}",
-                    params.class_num);
-        return NvResult::Success;
+        LOG_ERROR(Service_NVDRV, "Invalid class number for object context: {:#X}",
+                  params.class_num);
+        return NvResult::BadParameter;
     }
 
     if (ctxObjs[ctx_class_number_index].has_value()) {
-        LOG_DEBUG(Service_NVDRV, "Object context for class {:#X} already allocated on this channel",
-                  params.class_num);
-        return NvResult::Success;
+        LOG_WARNING(Service_NVDRV, "Object context for class {:#X} already allocated on this channel",
+                    params.class_num);
+        return NvResult::AlreadyAllocated;
     }
 
     // Defer actual hardware context binding until channel is initialized.
@@ -439,6 +435,10 @@ NvResult nvhost_gpu::ChannelSetTimeout(IoctlChannelSetTimeout& params) {
 NvResult nvhost_gpu::ChannelSetTimeslice(IoctlSetTimeslice& params) {
     LOG_INFO(Service_NVDRV, "called, timeslice={:#X}", params.timeslice);
 
+    if (params.timeslice < 1000 || params.timeslice > 5000) {
+        return NvResult::BadParameter;
+    }
+
     channel_timeslice = params.timeslice;
 
     return NvResult::Success;

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

@@ -20,23 +20,33 @@ BufferQueueCore::~BufferQueueCore() = default;
 void BufferQueueCore::PushHistory(u64 frame_number, s64 queue_time, s64 presentation_time, BufferState state) {
     std::lock_guard lk(buffer_history_mutex);
 
-    buffer_history_pos = (buffer_history_pos + 1) % BUFFER_HISTORY_SIZE;
-    buffer_history[buffer_history_pos] = BufferHistoryInfo{
+    auto it = buffer_history_map.find(frame_number);
+    if (it != buffer_history_map.end()) {
+        it->second.state = state;
+        return;
+    }
+
+    buffer_history_map.emplace(frame_number, BufferHistoryInfo{
         frame_number,
         queue_time,
         presentation_time,
         state
-    };
+    });
+    buffer_history_order.push_back(frame_number);
+
+    if (buffer_history_order.size() > BUFFER_HISTORY_SIZE) {
+        u64 oldest_frame = buffer_history_order.front();
+        buffer_history_order.pop_front();
+        buffer_history_map.erase(oldest_frame);
+    }
 }
 
 void BufferQueueCore::UpdateHistory(u64 frame_number, BufferState state) {
     std::lock_guard lk(buffer_history_mutex);
 
-    for (auto& entry : buffer_history) {
-        if (entry.frame_number == frame_number) {
-            entry.state = state;
-            return;
-        }
+    auto it = buffer_history_map.find(frame_number);
+    if (it != buffer_history_map.end()) {
+        it->second.state = state;
     }
 }
 

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

@@ -9,13 +9,14 @@
 
 #pragma once
 
-#include <array>
 #include <condition_variable>
+#include <deque>
 #include <list>
 #include <memory>
 #include <mutex>
 #include <set>
 #include <vector>
+#include <unordered_map>
 #include <algorithm>
 
 #include "core/hle/service/nvnflinger/buffer_item.h"
@@ -27,15 +28,12 @@
 
 namespace Service::android {
 
-#pragma pack(push, 1)
 struct BufferHistoryInfo {
-    u64 frame_number;
-    s64 queue_time;
-    s64 presentation_time;
-    BufferState state;
+    u64 frame_number{};
+    s64 queue_time{};
+    s64 presentation_time{};
+    BufferState state{};
 };
-#pragma pack(pop)
-static_assert(sizeof(BufferHistoryInfo) == 0x1C, "BufferHistoryInfo must be 28 bytes");
 
 class IConsumerListener;
 class IProducerListener;
@@ -90,9 +88,9 @@ private:
     bool buffer_has_been_queued{};
     u64 frame_counter{};
 
-    std::array<BufferHistoryInfo, BUFFER_HISTORY_SIZE> buffer_history{};
-    u32 buffer_history_pos{BUFFER_HISTORY_SIZE - 1};
+    std::unordered_map<u64, BufferHistoryInfo> buffer_history_map{};
     mutable std::mutex buffer_history_mutex{};
+    std::deque<u64> buffer_history_order;
 
     u32 transform_hint{};
     bool is_allocating{};

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

@@ -507,8 +507,6 @@ Status BufferQueueProducer::QueueBuffer(s32 slot, const QueueBufferInput& input,
 
         sticky_transform = sticky_transform_;
 
-        const bool track_history = Settings::values.enable_buffer_history.GetValue();
-
         if (core->queue.empty()) {
             core->queue.push_back(item);
             listener_available = core->consumer_listener;
@@ -516,7 +514,7 @@ Status BufferQueueProducer::QueueBuffer(s32 slot, const QueueBufferInput& input,
             auto front = core->queue.begin();
             if (front->is_droppable && core->StillTracking(*front)) {
                 slots[front->slot].buffer_state = BufferState::Free;
-                if (track_history) {
+                if (Settings::values.enable_buffer_history.GetValue()) {
                     core->UpdateHistory(front->frame_number, BufferState::Free);
                 }
                 slots[front->slot].frame_number = 0;
@@ -531,7 +529,7 @@ Status BufferQueueProducer::QueueBuffer(s32 slot, const QueueBufferInput& input,
             }
         }
 
-        if (track_history) {
+        if (Settings::values.enable_buffer_history.GetValue()) {
             core->PushHistory(core->frame_counter, slots[slot].queue_time, slots[slot].presentation_time, BufferState::Queued);
         }
 
@@ -904,31 +902,26 @@ void BufferQueueProducer::Transact(u32 code, std::span<const u8> parcel_data,
 
         const s32 request = parcel_in.Read<s32>();
         if (request <= 0) {
-            status = Status::BadValue;
+            parcel_out.Write(Status::BadValue);
             parcel_out.Write<s32>(0);
             break;
         }
 
-        constexpr u32 history_size = BufferQueueCore::BUFFER_HISTORY_SIZE;
-        std::array<BufferHistoryInfo, history_size> snapshot{};
-        s32 count{};
+        std::vector<BufferHistoryInfo> snapshot;
 
         {
             std::scoped_lock lk(core->buffer_history_mutex);
-
-            const u32 newest = core->buffer_history_pos;
-            for (u32 i = 0; i < history_size; ++i) {
-                const auto& entry = core->buffer_history[(newest + history_size - i) % history_size];
-                if (entry.frame_number == 0) {
-                    break;
-                }
-
-                snapshot[count] = entry;
-                ++count;
+            for (auto& [frame, info] : core->buffer_history_map) {
+                snapshot.push_back(info);
             }
         }
 
-        const s32 limit = (std::min)(request, count);
+        std::sort(snapshot.begin(), snapshot.end(), [](auto& a, auto& b){
+            return a.frame_number > b.frame_number;
+        });
+
+        const s32 limit = std::min(request, (s32)snapshot.size());
+        parcel_out.Write(Status::NoError);
         parcel_out.Write<s32>(limit);
         for (s32 i = 0; i < limit; ++i) {
             parcel_out.Write(snapshot[i]);

src/core/hle/service/spl/spl.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
 
@@ -28,9 +31,9 @@ SPL_MIG::SPL_MIG(Core::System& system_, std::shared_ptr<Module> module_)
     static const FunctionInfo functions[] = {
         {0, &SPL::GetConfig, "GetConfig"},
         {1, &SPL::ModularExponentiate, "ModularExponentiate"},
-        {2, nullptr, "GenerateAesKek"},
+        {2, &SPL::GenerateAesKek, "GenerateAesKek"},
         {3, nullptr, "LoadAesKey"},
-        {4, nullptr, "GenerateAesKey"},
+        {4, &SPL::GenerateAesKey, "GenerateAesKey"},
         {5, &SPL::SetConfig, "SetConfig"},
         {7, &SPL::GenerateRandomBytes, "GenerateRandomBytes"},
         {11, &SPL::IsDevelopment, "IsDevelopment"},

src/core/hle/service/spl/spl_module.cpp

@@ -59,6 +59,36 @@ void Module::Interface::ModularExponentiate(HLERequestContext& ctx) {
     rb.Push(ResultSecureMonitorNotImplemented);
 }
 
+void Module::Interface::GenerateAesKek(HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+    [[maybe_unused]] const auto key_source = rp.PopRaw<KeySource>();
+    const auto generation = rp.Pop<u32>();
+    const auto option = rp.Pop<u32>();
+
+    LOG_WARNING(Service_SPL, "(STUBBED) called, generation={:#x}, option={:#x}", generation,
+                option);
+
+    AccessKey access_key{};
+
+    IPC::ResponseBuilder rb{ctx, 6};
+    rb.Push(ResultSuccess);
+    rb.PushRaw(access_key);
+}
+
+void Module::Interface::GenerateAesKey(HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+    [[maybe_unused]] const auto access_key = rp.PopRaw<AccessKey>();
+    [[maybe_unused]] const auto key_source = rp.PopRaw<KeySource>();
+
+    LOG_WARNING(Service_SPL, "(STUBBED) called");
+
+    AesKey aes_key{};
+
+    IPC::ResponseBuilder rb{ctx, 6};
+    rb.Push(ResultSuccess);
+    rb.PushRaw(aes_key);
+}
+
 void Module::Interface::SetConfig(HLERequestContext& ctx) {
     UNIMPLEMENTED_MSG("SetConfig is not implemented!");
 

src/core/hle/service/spl/spl_module.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
 
@@ -25,6 +28,8 @@ public:
         // General
         void GetConfig(HLERequestContext& ctx);
         void ModularExponentiate(HLERequestContext& ctx);
+        void GenerateAesKek(HLERequestContext& ctx);
+        void GenerateAesKey(HLERequestContext& ctx);
         void SetConfig(HLERequestContext& ctx);
         void GenerateRandomBytes(HLERequestContext& ctx);
         void IsDevelopment(HLERequestContext& ctx);

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

@@ -5,7 +5,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 #include "common/settings.h"
-#include "common/thread.h"
 #include "core/core.h"
 #include "core/core_timing.h"
 #include "core/hle/service/vi/conductor.h"
@@ -77,7 +76,6 @@ void Conductor::ProcessVsync() {
 
 void Conductor::VsyncThread(std::stop_token token) {
     Common::SetCurrentThreadName("VSyncThread");
-    Common::SetCurrentThreadPriority(Common::ThreadPriority::High);
 
     while (!token.stop_requested()) {
         m_signal.Wait();

src/qt_common/config/shared_translation.cpp

@@ -230,11 +230,6 @@ std::unique_ptr<TranslationMap> InitializeTranslations(QObject* parent) {
            tr("Preserves GPU-modified data by reading it back before uploading.\nSome games require this to render certain effects properly."));
     INSERT(Settings, use_asynchronous_shaders, tr("Enable asynchronous shader compilation"),
            tr("May reduce shader stutter."));
-    INSERT(Settings, use_unified_memory, tr("Enable unified memory access (UMA)"),
-           tr("Lets the GPU write buffer readbacks directly into guest memory."));
-    INSERT(Settings, pipeline_worker_count, tr("Pipeline Worker Threads"),
-           tr("Number of threads used to build Vulkan pipelines.\n"
-              "Higher values speed up compilation at the cost of heat and power."));
     INSERT(Settings, fast_gpu_time, tr("Fast GPU Time"),
            tr("Overclocks the emulated GPU to increase dynamic resolution and render "
               "distance.\nUse 256 for maximal performance and 512 for maximal graphics fidelity."));
@@ -292,12 +287,6 @@ std::unique_ptr<TranslationMap> InitializeTranslations(QObject* parent) {
     INSERT(Settings, vertex_input_dynamic_state, tr("Vertex Input Dynamic State"),
            tr("Enables vertex input dynamic state feature for better quality and performance."));
 
-    INSERT(Settings, dynamic_rendering, tr("Dynamic Rendering"),
-           tr("Renders without render pass and framebuffer objects.\n"
-              "Results vary by driver: some gain performance, others lose it."));
-
-    INSERT(Settings, workgroup_memory_explicit_layout, QString(), QString());
-
     INSERT(
         Settings, sample_shading, tr("Sample Shading"),
         tr("Allows the fragment shader to execute per sample in a multi-sampled fragment "

src/shader_recompiler/backend/glasm/emit_glasm_instructions.h

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
@@ -665,8 +665,6 @@ void EmitShuffleDown(EmitContext& ctx, IR::Inst& inst, ScalarU32 value, ScalarU3
                      const IR::Value& clamp, const IR::Value& segmentation_mask);
 void EmitShuffleButterfly(EmitContext& ctx, IR::Inst& inst, ScalarU32 value, ScalarU32 index,
                           const IR::Value& clamp, const IR::Value& segmentation_mask);
-void EmitQuadBroadcast(EmitContext& ctx, IR::Inst& inst, ScalarU32 value, ScalarU32 lane);
-void EmitQuadSwap(EmitContext& ctx, IR::Inst& inst, ScalarU32 value, ScalarU32 direction);
 void EmitFSwizzleAdd(EmitContext& ctx, IR::Inst& inst, ScalarF32 op_a, ScalarF32 op_b,
                      ScalarU32 swizzle);
 void EmitDPdxFine(EmitContext& ctx, IR::Inst& inst, ScalarF32 op_a);

src/shader_recompiler/backend/glasm/emit_glasm_warp.cpp

@@ -1,6 +1,3 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -100,24 +97,6 @@ void EmitShuffleButterfly(EmitContext& ctx, IR::Inst& inst, ScalarU32 value, Sca
     Shuffle(ctx, inst, value, index, clamp, segmentation_mask, "XOR");
 }
 
-void EmitQuadBroadcast(EmitContext& ctx, IR::Inst& inst, ScalarU32 value, ScalarU32 lane) {
-    const Register ret{ctx.reg_alloc.Define(inst)};
-    ctx.Add("AND.U RC.x,{}.threadid,~3;"
-            "AND.U RC.y,{},3;"
-            "OR.U RC.x,RC.x,RC.y;"
-            "SHFIDX.U {},{},RC.x,0x1C03;"
-            "MOV.U {}.x,{}.y;",
-            ctx.stage_name, lane, ret, value, ret, ret);
-}
-
-void EmitQuadSwap(EmitContext& ctx, IR::Inst& inst, ScalarU32 value, ScalarU32 direction) {
-    const Register ret{ctx.reg_alloc.Define(inst)};
-    ctx.Add("ADD.U RC.x,{},1;"
-            "SHFXOR.U {},{},RC.x,0x1C03;"
-            "MOV.U {}.x,{}.y;",
-            direction, ret, value, ret, ret);
-}
-
 void EmitFSwizzleAdd(EmitContext& ctx, IR::Inst& inst, ScalarF32 op_a, ScalarF32 op_b,
                      ScalarU32 swizzle) {
     const auto ret{ctx.reg_alloc.Define(inst)};

src/shader_recompiler/backend/glsl/emit_glsl_instructions.h

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
@@ -743,10 +743,6 @@ void EmitShuffleDown(EmitContext& ctx, IR::Inst& inst, std::string_view value,
 void EmitShuffleButterfly(EmitContext& ctx, IR::Inst& inst, std::string_view value,
                           std::string_view index, std::string_view clamp,
                           std::string_view segmentation_mask);
-void EmitQuadBroadcast(EmitContext& ctx, IR::Inst& inst, std::string_view value,
-                       std::string_view lane);
-void EmitQuadSwap(EmitContext& ctx, IR::Inst& inst, std::string_view value,
-                  std::string_view direction);
 void EmitFSwizzleAdd(EmitContext& ctx, IR::Inst& inst, std::string_view op_a, std::string_view op_b,
                      std::string_view swizzle);
 void EmitDPdxFine(EmitContext& ctx, IR::Inst& inst, std::string_view op_a);

src/shader_recompiler/backend/glsl/emit_glsl_warp.cpp

@@ -1,6 +1,3 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -203,18 +200,6 @@ void EmitShuffleButterfly(EmitContext& ctx, IR::Inst& inst, std::string_view val
     ctx.AddU32("{}=shfl_in_bounds?shfl_result:{};", inst, value);
 }
 
-void EmitQuadBroadcast(EmitContext& ctx, IR::Inst& inst, std::string_view value,
-                       std::string_view lane) {
-    const auto src_thread_id{fmt::format("(({}&~3)|({}& 3))", THREAD_ID, lane)};
-    ctx.AddU32("{}=readInvocationARB({},{});", inst, value, src_thread_id);
-}
-
-void EmitQuadSwap(EmitContext& ctx, IR::Inst& inst, std::string_view value,
-                  std::string_view direction) {
-    const auto src_thread_id{fmt::format("({}^({}+1))", THREAD_ID, direction)};
-    ctx.AddU32("{}=readInvocationARB({},{});", inst, value, src_thread_id);
-}
-
 void EmitFSwizzleAdd(EmitContext& ctx, IR::Inst& inst, std::string_view op_a, std::string_view op_b,
                      std::string_view swizzle) {
     const auto mask{fmt::format("({}>>((gl_SubGroupInvocationARB&3)<<1))&3", swizzle)};

src/shader_recompiler/backend/spirv/emit_spirv.cpp

@@ -322,11 +322,6 @@ void DefineEntryPoint(const IR::Program& program, EmitContext& ctx, Id main) {
         if (ctx.runtime_info.force_early_z) {
             ctx.AddExecutionMode(main, spv::ExecutionMode::EarlyFragmentTests);
         }
-        if (ctx.profile.support_shader_quad_control && program.info.uses_quad_shuffles) {
-            ctx.AddExtension("SPV_KHR_quad_control");
-            ctx.AddCapability(spv::Capability::QuadControlKHR);
-            ctx.AddExecutionMode(main, spv::ExecutionMode::RequireFullQuadsKHR);
-        }
         break;
     default:
         throw NotImplementedException("Stage {}", program.stage);
@@ -448,12 +443,6 @@ void SetupCapabilities(const Profile& profile, const Info& info, EmitContext& ct
             ctx.AddCapability(spv::Capability::GroupNonUniformVote);
         }
     }
-    if (info.uses_quad_shuffles) {
-        if (profile.support_quad_shuffles) {
-            ctx.AddCapability(spv::Capability::GroupNonUniformQuad);
-        }
-        ctx.AddCapability(spv::Capability::GroupNonUniformShuffle);
-    }
     if (info.uses_int64_bit_atomics && profile.support_int64_atomics) {
         ctx.AddCapability(spv::Capability::Int64Atomics);
     }

src/shader_recompiler/backend/spirv/emit_spirv_instructions.h

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
@@ -622,8 +622,6 @@ Id EmitShuffleDown(EmitContext& ctx, IR::Inst* inst, Id value, Id index, Id clam
                    Id segmentation_mask);
 Id EmitShuffleButterfly(EmitContext& ctx, IR::Inst* inst, Id value, Id index, Id clamp,
                         Id segmentation_mask);
-Id EmitQuadBroadcast(EmitContext& ctx, Id value, Id lane);
-Id EmitQuadSwap(EmitContext& ctx, Id value, Id direction);
 Id EmitFSwizzleAdd(EmitContext& ctx, Id op_a, Id op_b, Id swizzle);
 Id EmitDPdxFine(EmitContext& ctx, Id op_a);
 Id EmitDPdyFine(EmitContext& ctx, Id op_a);

src/shader_recompiler/backend/spirv/emit_spirv_warp.cpp

@@ -260,21 +260,6 @@ Id EmitShuffleButterfly(EmitContext& ctx, IR::Inst* inst, Id value, Id index, Id
     return SelectValue(ctx, in_range, value, src_thread_id);
 }
 
-Id EmitQuadBroadcast(EmitContext& ctx, Id value, Id lane) {
-    if (ctx.profile.support_quad_shuffles) {
-        return ctx.OpGroupNonUniformQuadBroadcast(ctx.U32[1], SubgroupScope(ctx), value, lane);
-    }
-    const Id base{ctx.OpBitwiseAnd(ctx.U32[1], GetThreadId(ctx), ctx.Const(~3u))};
-    const Id local_lane{ctx.OpBitwiseAnd(ctx.U32[1], lane, ctx.Const(3u))};
-    const Id src_thread_id{ctx.OpBitwiseOr(ctx.U32[1], base, local_lane)};
-    return ctx.OpGroupNonUniformShuffle(ctx.U32[1], SubgroupScope(ctx), value, src_thread_id);
-}
-
-Id EmitQuadSwap(EmitContext& ctx, Id value, Id direction) {
-    const Id xor_mask{ctx.OpIAdd(ctx.U32[1], direction, ctx.Const(1u))};
-    return ctx.OpGroupNonUniformShuffleXor(ctx.U32[1], SubgroupScope(ctx), value, xor_mask);
-}
-
 Id EmitFSwizzleAdd(EmitContext& ctx, Id op_a, Id op_b, Id swizzle) {
     const Id three{ctx.Const(3U)};
     Id mask{GetThreadId(ctx)};

src/shader_recompiler/frontend/ir/ir_emitter.cpp

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
@@ -2100,14 +2100,6 @@ U32 IREmitter::ShuffleButterfly(const IR::U32& value, const IR::U32& index, cons
     return Inst<U32>(Opcode::ShuffleButterfly, value, index, clamp, seg_mask);
 }
 
-U32 IREmitter::QuadBroadcast(const IR::U32& value, const IR::U32& lane) {
-    return Inst<U32>(Opcode::QuadBroadcast, value, lane);
-}
-
-U32 IREmitter::QuadSwap(const IR::U32& value, const IR::U32& direction) {
-    return Inst<U32>(Opcode::QuadSwap, value, direction);
-}
-
 F32 IREmitter::FSwizzleAdd(const F32& a, const F32& b, const U32& swizzle, FpControl control) {
     return Inst<F32>(Opcode::FSwizzleAdd, Flags{control}, a, b, swizzle);
 }

src/shader_recompiler/frontend/ir/ir_emitter.h

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
@@ -394,8 +394,6 @@ public:
                                   const IR::U32& seg_mask);
     [[nodiscard]] U32 ShuffleButterfly(const IR::U32& value, const IR::U32& index,
                                        const IR::U32& clamp, const IR::U32& seg_mask);
-    [[nodiscard]] U32 QuadBroadcast(const IR::U32& value, const IR::U32& lane);
-    [[nodiscard]] U32 QuadSwap(const IR::U32& value, const IR::U32& direction);
     [[nodiscard]] F32 FSwizzleAdd(const F32& a, const F32& b, const U32& swizzle,
                                   FpControl control = {});
 

src/shader_recompiler/frontend/ir/opcodes.cpp

@@ -10,7 +10,7 @@ namespace Shader::IR {
 
 namespace Detail {
 
-OpcodeMeta META_TABLE[] = {
+OpcodeMeta META_TABLE[532] = {
 #define OPCODE(name_token, type_token, ...)                                                        \
     {                                                                                              \
         .name{#name_token},                                                                        \
@@ -21,7 +21,7 @@ OpcodeMeta META_TABLE[] = {
 #undef OPCODE
 };
 
-u8 NUM_ARGS[] = {
+u8 NUM_ARGS[532] = {
 #define OPCODE(name_token, type_token, ...) u8(CalculateNumArgsOf(Opcode::name_token)),
 #include "opcodes.inc"
 #undef OPCODE

src/shader_recompiler/frontend/ir/opcodes.h

@@ -57,12 +57,12 @@ static constexpr Type F64x2{Type::F64x2};
 static constexpr Type F64x3{Type::F64x3};
 static constexpr Type F64x4{Type::F64x4};
 
-extern OpcodeMeta META_TABLE[];
+extern OpcodeMeta META_TABLE[532];
 constexpr size_t CalculateNumArgsOf(Opcode op) noexcept {
     const auto& arg_types = META_TABLE[size_t(op)].arg_types;
     return size_t(std::distance(arg_types.begin(), std::ranges::find(arg_types, Type::Void)));
 }
-extern u8 NUM_ARGS[];
+extern u8 NUM_ARGS[532];
 } // namespace Detail
 
 /// Get return type of an opcode

src/shader_recompiler/frontend/ir/opcodes.inc

@@ -1,6 +1,3 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -582,8 +579,6 @@ OPCODE(ShuffleIndex,                                        U32,            U32,
 OPCODE(ShuffleUp,                                           U32,            U32,            U32,            U32,            U32,                            )
 OPCODE(ShuffleDown,                                         U32,            U32,            U32,            U32,            U32,                            )
 OPCODE(ShuffleButterfly,                                    U32,            U32,            U32,            U32,            U32,                            )
-OPCODE(QuadBroadcast,                                       U32,            U32,            U32,                                                                    )
-OPCODE(QuadSwap,                                            U32,            U32,            U32,                                                                    )
 OPCODE(FSwizzleAdd,                                         F32,            F32,            F32,            U32,                                            )
 OPCODE(DPdxFine,                                            F32,            F32,                                                                            )
 OPCODE(DPdyFine,                                            F32,            F32,                                                                            )

src/shader_recompiler/frontend/maxwell/translate/impl/internal_stage_buffer_entry_read.cpp

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
@@ -17,12 +17,39 @@ enum class Mode : u64 {
     Attr,
 };
 
+enum class SZ : u64 {
+    U8,
+    U16,
+    U32,
+    F32
+};
+
 enum class Shift : u64 {
     Default,
     U16,
     B32,
 };
 
+IR::U32 scaleIndex(IR::IREmitter& ir, IR::U32 index, Shift shift) {
+    switch (shift) {
+        case Shift::Default: return index;
+        case Shift::U16: return ir.ShiftLeftLogical(index, ir.Imm32(1));
+        case Shift::B32: return ir.ShiftLeftLogical(index, ir.Imm32(2));
+        default: UNREACHABLE();
+    }
+}
+
+IR::U32 skewBytes(IR::IREmitter& ir, SZ sizeRead) {
+    const IR::U32 lane = ir.LaneId();
+    switch (sizeRead) {
+        case SZ::U8:  return lane;
+        case SZ::U16: return ir.ShiftLeftLogical(lane, ir.Imm32(1));
+        case SZ::U32:
+        case SZ::F32: return ir.ShiftLeftLogical(lane, ir.Imm32(2));
+        default: UNREACHABLE();
+    }
+}
+
 } // Anonymous namespace
 
 void TranslatorVisitor::ISBERD(u64 insn) {
@@ -37,28 +64,65 @@ void TranslatorVisitor::ISBERD(u64 insn) {
         BitField<31, 1, u64> skew;
         BitField<32, 1, u64> o;
         BitField<33, 2, Mode> mode;
+        BitField<36, 4, SZ> sz;
         BitField<47, 2, Shift> shift;
     } const isberd{insn};
 
-    if (isberd.skew != 0) {
-        throw NotImplementedException("ISBERD SKEW");
-    }
-    if (isberd.o != 0) {
-        throw NotImplementedException("ISBERD O");
+    IR::U32 index{};
+    if (isberd.src_reg_num.Value() == 0xFF) {
+        index = ir.Imm32(isberd.imm.Value());
+    } else {
+        const IR::U32 scaledIndex = scaleIndex(ir, X(isberd.src_reg.Value()), isberd.shift.Value());
+        index = ir.IAdd(scaledIndex, ir.Imm32(isberd.imm.Value()));
     }
 
-    switch (isberd.mode.Value()) {
-    case Mode::Default:
-        X(isberd.dest_reg.Value(), X(isberd.src_reg.Value()));
+    if (isberd.o.Value()) {
+        if (isberd.skew.Value()) {
+            index = ir.IAdd(index, skewBytes(ir, isberd.sz.Value()));
+        }
+
+        const IR::U64 index64 = ir.UConvert(64, index);
+        IR::U32 globalLoaded{};
+        switch (isberd.sz.Value()) {
+        case SZ::U8:  globalLoaded = ir.LoadGlobalU8 (index64); break;
+        case SZ::U16: globalLoaded = ir.LoadGlobalU16(index64); break;
+        case SZ::U32:
+        case SZ::F32: globalLoaded = ir.LoadGlobal32(index64);  break;
+        default: UNREACHABLE();
+        }
+        X(isberd.dest_reg.Value(), globalLoaded);
+
         return;
-    case Mode::Attr:
-        LOG_DEBUG(Shader, "(STUBBED) ISBERD Mode Attr");
-        X(isberd.dest_reg.Value(), X(isberd.src_reg.Value()));
-        return;
-    default:
-        throw NotImplementedException("ISBERD Mode {}",
-                                      static_cast<u64>(isberd.mode.Value()));
     }
+
+    if (isberd.mode.Value() != Mode::Default) {
+        if (isberd.skew.Value()) {
+            index = ir.IAdd(index, skewBytes(ir, SZ::U32));
+        }
+
+        IR::F32 float_index{};
+        switch (isberd.mode.Value()) {
+        case Mode::Patch: float_index = ir.GetPatch(index.Patch());
+            break;
+        case Mode::Prim:  float_index = ir.GetAttribute(index.Attribute());
+            break;
+        case Mode::Attr:  float_index = ir.GetAttributeIndexed(index);
+            break;
+        default: UNREACHABLE();
+        }
+        X(isberd.dest_reg.Value(), ir.BitCast<IR::U32>(float_index));
+
+        return;
+    }
+
+    if (isberd.skew.Value()) {
+        X(isberd.dest_reg.Value(), ir.IAdd(X(isberd.src_reg.Value()), ir.LaneId()));
+
+        return;
+    }
+
+    // Fallback copy
+    X(isberd.dest_reg.Value(), X(isberd.src_reg.Value()));
 }
 
 } // namespace Shader::Maxwell

src/shader_recompiler/frontend/maxwell/translate/impl/warp_shuffle.cpp

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
@@ -36,10 +36,7 @@ enum class ShuffleMode : u64 {
     }
 }
 
-constexpr u32 QUAD_MASK = (28u << 8) | 3u;
-
-void Shuffle(TranslatorVisitor& v, u64 insn, const IR::U32& index, const IR::U32& mask,
-             bool index_is_imm, u32 index_imm, bool mask_is_imm, u32 mask_imm) {
+void Shuffle(TranslatorVisitor& v, u64 insn, const IR::U32& index, const IR::U32& mask) {
     union {
         u64 insn;
         BitField<0, 8, IR::Reg> dest_reg;
@@ -48,21 +45,6 @@ void Shuffle(TranslatorVisitor& v, u64 insn, const IR::U32& index, const IR::U32
         BitField<48, 3, IR::Pred> pred;
     } const shfl{insn};
 
-    const bool is_quad_candidate{mask_is_imm && mask_imm == QUAD_MASK && index_is_imm &&
-                                  v.env.ShaderStage() == Stage::Fragment};
-    if (is_quad_candidate) {
-        if (shfl.mode == ShuffleMode::IDX && index_imm <= 3) {
-            v.X(shfl.dest_reg, v.ir.QuadBroadcast(v.X(shfl.src_reg), v.ir.Imm32(index_imm)));
-            v.ir.SetPred(shfl.pred, v.ir.Imm1(true));
-            return;
-        }
-        if (shfl.mode == ShuffleMode::BFLY && index_imm >= 1 && index_imm <= 3) {
-            v.X(shfl.dest_reg, v.ir.QuadSwap(v.X(shfl.src_reg), v.ir.Imm32(index_imm - 1)));
-            v.ir.SetPred(shfl.pred, v.ir.Imm1(true));
-            return;
-        }
-    }
-
     const IR::U32 result{ShuffleOperation(v.ir, v.X(shfl.src_reg), index, mask, shfl.mode)};
     v.ir.SetPred(shfl.pred, v.ir.GetInBoundsFromOp(result));
     v.X(shfl.dest_reg, result);
@@ -77,14 +59,11 @@ void TranslatorVisitor::SHFL(u64 insn) {
         BitField<29, 1, u64> src_b_flag;
         BitField<34, 13, u64> src_b_imm;
     } const flags{insn};
-    const bool index_is_imm{flags.src_a_flag != 0};
-    const bool mask_is_imm{flags.src_b_flag != 0};
-    const IR::U32 src_a{index_is_imm ? ir.Imm32(static_cast<u32>(flags.src_a_imm))
-                                     : GetReg20(insn)};
-    const IR::U32 src_b{mask_is_imm ? ir.Imm32(static_cast<u32>(flags.src_b_imm))
-                                    : GetReg39(insn)};
-    Shuffle(*this, insn, src_a, src_b, index_is_imm, static_cast<u32>(flags.src_a_imm),
-            mask_is_imm, static_cast<u32>(flags.src_b_imm));
+    const IR::U32 src_a{flags.src_a_flag != 0 ? ir.Imm32(static_cast<u32>(flags.src_a_imm))
+                                              : GetReg20(insn)};
+    const IR::U32 src_b{flags.src_b_flag != 0 ? ir.Imm32(static_cast<u32>(flags.src_b_imm))
+                                              : GetReg39(insn)};
+    Shuffle(*this, insn, src_a, src_b);
 }
 
 } // namespace Shader::Maxwell

src/shader_recompiler/ir_opt/collect_shader_info_pass.cpp

@@ -498,10 +498,6 @@ void VisitUsages(Info& info, IR::Inst& inst) {
     case IR::Opcode::ShuffleButterfly:
         info.uses_subgroup_shuffles = true;
         break;
-    case IR::Opcode::QuadBroadcast:
-    case IR::Opcode::QuadSwap:
-        info.uses_quad_shuffles = true;
-        break;
     case IR::Opcode::GetCbufU8:
     case IR::Opcode::GetCbufS8:
     case IR::Opcode::GetCbufU16:

src/shader_recompiler/profile.h

@@ -37,8 +37,6 @@ struct Profile {
     bool support_explicit_workgroup_layout{};
     bool support_workgroup_layout_8bit_access{};
     bool support_workgroup_layout_16bit_access{};
-    bool support_shader_quad_control{};
-    bool support_quad_shuffles{};
     bool support_vote{};
     u32 supported_subgroup_stages{0x7F};
     bool support_viewport_index_layer_non_geometry{};

src/shader_recompiler/shader_info.h

@@ -252,7 +252,6 @@ struct Info {
     bool uses_is_helper_invocation{};
     bool uses_subgroup_invocation_id{};
     bool uses_subgroup_shuffles{};
-    bool uses_quad_shuffles{};
     std::array<bool, 30> uses_patches{};
 
     std::array<Interpolation, 32> interpolation{};

src/video_core/CMakeLists.txt

@@ -33,7 +33,7 @@ add_library(video_core STATIC
     control/channel_state_cache.h
     control/scheduler.cpp
     control/scheduler.h
-    deferred_destruction_queue.h
+    delayed_destruction_ring.h
     dirty_flags.cpp
     dirty_flags.h
     dma_pusher.cpp
@@ -158,8 +158,6 @@ add_library(video_core STATIC
     renderer_vulkan/vk_compute_pass.h
     renderer_vulkan/vk_compute_pipeline.cpp
     renderer_vulkan/vk_compute_pipeline.h
-    renderer_vulkan/vk_descriptor_buffer.cpp
-    renderer_vulkan/vk_descriptor_buffer.h
     renderer_vulkan/vk_descriptor_pool.cpp
     renderer_vulkan/vk_descriptor_pool.h
     renderer_vulkan/vk_fence_manager.cpp

src/video_core/buffer_cache/buffer_cache.h

@@ -7,7 +7,6 @@
 #pragma once
 
 #include <algorithm>
-#include <bit>
 #include <memory>
 #include <numeric>
 
@@ -32,89 +31,44 @@ BufferCache<P>::BufferCache(Tegra::MaxwellDeviceMemoryManager& device_memory_, R
     immediately_free = (Settings::values.vram_usage_mode.GetValue() == Settings::VramUsageMode::Aggressive);
 #endif
     if (!runtime.CanReportMemoryUsage()) {
-        memory_budget = FALLBACK_MEMORY_BUDGET;
+        minimum_memory = DEFAULT_EXPECTED_MEMORY;
+        critical_memory = DEFAULT_CRITICAL_MEMORY;
         return;
     }
 
-    memory_budget = runtime.GetDeviceLocalMemory();
+    const s64 device_local_memory = static_cast<s64>(runtime.GetDeviceLocalMemory());
+    const s64 min_spacing_expected = device_local_memory - 1_GiB;
+    const s64 min_spacing_critical = device_local_memory - 512_MiB;
+    const s64 mem_threshold = (std::min)(device_local_memory, TARGET_THRESHOLD);
+    const s64 min_vacancy_expected = (6 * mem_threshold) / 10;
+    const s64 min_vacancy_critical = (2 * mem_threshold) / 10;
+    minimum_memory = static_cast<u64>(
+        (std::max)((std::min)(device_local_memory - min_vacancy_expected, min_spacing_expected),
+                 DEFAULT_EXPECTED_MEMORY));
+    critical_memory = static_cast<u64>(
+        (std::max)((std::min)(device_local_memory - min_vacancy_critical, min_spacing_critical),
+                 DEFAULT_CRITICAL_MEMORY));
 }
 
 template <class P>
 BufferCache<P>::~BufferCache() = default;
 
 template <class P>
-u64 BufferCache<P>::DeviceUsage(bool force_refresh) {
-    if (!runtime.CanReportMemoryUsage()) {
-        return total_used_memory;
-    }
-    if (force_refresh || usage_refresh_countdown == 0) {
-        cached_device_usage = runtime.GetDeviceAllocationUsage();
-        usage_refresh_countdown = USAGE_REFRESH_INTERVAL;
-    } else {
-        --usage_refresh_countdown;
-    }
-    return cached_device_usage;
-}
-
-template <class P>
-u64 BufferCache<P>::ReclaimMemory(u64 target_bytes, bool allow_download) {
-    if (target_bytes == 0 || in_reclaim) {
-        return 0;
-    }
-    in_reclaim = true;
-    u64 freed = 0;
-    const auto clean_up = [&](BufferId buffer_id) {
-        if (freed >= target_bytes) {
+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) {
+        if (num_iterations == 0) {
             return true;
         }
+        --num_iterations;
         auto& buffer = slot_buffers[buffer_id];
-        if (!allow_download && IsRegionGpuModified(buffer.CpuAddr(), buffer.SizeBytes())) {
-            return false;
-        }
-        const u64 buffer_bytes = Common::AlignUp(buffer.SizeBytes(), 1024);
         DownloadBufferMemory(buffer);
         DeleteBuffer(buffer_id);
-        freed += buffer_bytes;
         return false;
     };
-    const u64 cold_tick =
-        frame_tick > RECLAIM_GUARD_FRAMES ? frame_tick - RECLAIM_GUARD_FRAMES : 0;
-    lru_cache.ForEachItemBelow(cold_tick, clean_up);
-    if (freed == 0) {
-        lru_cache.ForEachItemBelow(frame_tick > 0 ? frame_tick - 1 : 0, clean_up);
-    }
-    in_reclaim = false;
-    usage_refresh_countdown = 0;
-    reclaim_stalled = freed == 0;
-    if (freed > 0) {
-        reclaim_wait_sync_point = runtime.CurrentSyncPoint();
-    }
-    return freed;
-}
-
-template <class P>
-void BufferCache<P>::ReclaimDeferredResources(u64 completed_sync_point) {
-    sentenced_buffers.Reclaim(completed_sync_point);
-}
-
-template <class P>
-void BufferCache<P>::EnsureHeadroom(bool allow_download) {
-    if (reclaim_stalled) {
-        return;
-    }
-    if (runtime.CompletedSyncPoint() < reclaim_wait_sync_point) {
-        return;
-    }
-    const u64 limit = memory_budget > RECLAIM_HEADROOM ? memory_budget - RECLAIM_HEADROOM : 0;
-    const u64 usage = DeviceUsage(false);
-    if (usage <= limit) {
-        return;
-    }
-    const u64 target = (limit / 100) * RECLAIM_TARGET_PERCENT;
-    const u64 excess = usage - target;
-    const u64 usage_mib = (std::max)(usage >> 20, u64{1});
-    const u64 share = (((excess >> 20) * (total_used_memory >> 20)) / usage_mib) << 20;
-    ReclaimMemory((std::min)(share, total_used_memory), allow_download);
+    lru_cache.ForEachItemBelow(frame_tick - ticks_to_destroy, clean_up);
 }
 
 template <class P>
@@ -142,11 +96,15 @@ void BufferCache<P>::TickFrame() {
     const bool skip_preferred = hits * 256 < shots * 251;
     channel_state->uniform_buffer_skip_cache_size = skip_preferred ? DEFAULT_SKIP_CACHE_SIZE : 0;
 
-    usage_refresh_countdown = 0;
-    reclaim_stalled = false;
-    ReclaimDeferredResources(runtime.CompletedSyncPoint());
-    EnsureHeadroom(true);
+    // If we can obtain the memory info, use it instead of the estimate.
+    if (runtime.CanReportMemoryUsage()) {
+        total_used_memory = runtime.GetDeviceMemoryUsage();
+    }
+    if (total_used_memory >= minimum_memory) {
+        RunGarbageCollector();
+    }
     ++frame_tick;
+    delayed_destruction_ring.Tick();
 
     for (auto& buffer : async_buffers_death_ring) {
         runtime.FreeDeferredStagingBuffer(buffer);
@@ -217,71 +175,9 @@ std::optional<VideoCore::RasterizerDownloadArea> BufferCache<P>::GetFlushArea(DA
 
 template <class P>
 void BufferCache<P>::DownloadMemory(DAddr device_addr, u64 size) {
-    if constexpr (!USE_MEMORY_MAPS) {
-        std::scoped_lock lock{mutex};
-        ForEachBufferInRange(device_addr, size, [&](BufferId, Buffer& buffer) {
-            DownloadBufferMemory(buffer, device_addr, size);
-        });
-        return;
-    }
-
-    boost::container::small_vector<std::pair<BufferCopy, BufferId>, 8> downloads;
-    u64 total_size_bytes = 0;
-    u64 largest_copy = 0;
-
-    std::unique_lock lock{mutex};
-    ForEachBufferInRange(device_addr, size, [&](BufferId buffer_id, Buffer& buffer) {
-        memory_tracker.ForEachDownloadRangeAndClear(
-            device_addr, size, [&](u64 device_addr_out, u64 range_size) {
-                const DAddr buffer_addr = buffer.CpuAddr();
-                const auto add_download = [&](DAddr start, DAddr end) {
-                    const u64 new_offset = start - buffer_addr;
-                    const u64 new_size = end - start;
-                    downloads.push_back({
-                        BufferCopy{
-                            .src_offset = new_offset,
-                            .dst_offset = total_size_bytes,
-                            .size = new_size,
-                        },
-                        buffer_id,
-                    });
-                    constexpr u64 align = 64ULL;
-                    constexpr u64 mask = ~(align - 1ULL);
-                    total_size_bytes += (new_size + align - 1) & mask;
-                    largest_copy = (std::max)(largest_copy, new_size);
-                };
-                gpu_modified_ranges.ForEachInRange(device_addr_out, range_size, add_download);
-                ClearDownload(device_addr_out, range_size);
-                gpu_modified_ranges.Subtract(device_addr_out, range_size);
-            });
+    ForEachBufferInRange(device_addr, size, [&](BufferId, Buffer& buffer) {
+        DownloadBufferMemory(buffer, device_addr, size);
     });
-    if (total_size_bytes == 0) {
-        return;
-    }
-
-    auto download_staging = runtime.DownloadStagingBuffer(total_size_bytes);
-    boost::container::small_vector<BufferCopy, 8> writebacks;
-    runtime.PreCopyBarrier();
-    for (auto& [copy, buffer_id] : downloads) {
-        copy.dst_offset += download_staging.offset;
-        Buffer& buffer = slot_buffers[buffer_id];
-        buffer.MarkUsage(copy.src_offset, copy.size);
-        const std::array copies{copy};
-        runtime.CopyBuffer(download_staging.buffer, buffer, copies, false);
-        BufferCopy writeback{copy};
-        writeback.src_offset = static_cast<u64>(buffer.CpuAddr()) + copy.src_offset;
-        writebacks.push_back(writeback);
-    }
-    runtime.PostCopyBarrier();
-    lock.unlock();
-
-    runtime.Finish();
-    const u8* const base = download_staging.mapped_span.data();
-    for (const BufferCopy& writeback : writebacks) {
-        const u64 staging_offset = writeback.dst_offset - download_staging.offset;
-        device_memory.WriteBlockUnsafe(static_cast<DAddr>(writeback.src_offset),
-                                       base + staging_offset, writeback.size);
-    }
 }
 
 template <class P>
@@ -318,7 +214,7 @@ bool BufferCache<P>::DMACopy(GPUVAddr src_address, GPUVAddr dest_address, u64 am
     auto& src_buffer = slot_buffers[buffer_a];
     auto& dest_buffer = slot_buffers[buffer_b];
     SynchronizeBuffer(src_buffer, *cpu_src_address, static_cast<u32>(amount));
-    memory_tracker.UnmarkRegionAsCpuModified(*cpu_dest_address, static_cast<u32>(amount));
+    SynchronizeBuffer(dest_buffer, *cpu_dest_address, static_cast<u32>(amount));
     std::array copies{BufferCopy{
         .src_offset = src_buffer.Offset(*cpu_src_address),
         .dst_offset = dest_buffer.Offset(*cpu_dest_address),
@@ -675,11 +571,7 @@ void BufferCache<P>::AccumulateFlushes() {
 
 template <class P>
 bool BufferCache<P>::ShouldWaitAsyncFlushes() const noexcept {
-    if (async_buffers.empty()) {
-        return false;
-    }
-    return async_buffers.front().has_value() ||
-           !pending_downloads.front().unified_copies.empty();
+    return (!async_buffers.empty() && async_buffers.front().has_value());
 }
 
 template <class P>
@@ -687,7 +579,6 @@ void BufferCache<P>::CommitAsyncFlushesHigh() {
     AccumulateFlushes();
 
     if (committed_gpu_modified_ranges.empty()) {
-        pending_downloads.emplace_back();
         async_buffers.emplace_back(std::optional<Async_Buffer>{});
         return;
     }
@@ -747,83 +638,27 @@ void BufferCache<P>::CommitAsyncFlushesHigh() {
     }
     committed_gpu_modified_ranges.clear();
     if (downloads.empty()) {
-        pending_downloads.emplace_back();
         async_buffers.emplace_back(std::optional<Async_Buffer>{});
         return;
     }
-
-    struct QueuedUnifiedCopy {
-        u64 window;
-        BufferId buffer_id;
-        boost::container::small_vector<BufferCopy, 16> copies;
-    };
-
-    AsyncDownloadBatch batch;
-    boost::container::small_vector<std::pair<BufferCopy, BufferId>, 16> staging_downloads;
-    boost::container::small_vector<QueuedUnifiedCopy, 4> unified_copy_queue;
-    boost::container::small_vector<u64, 4> window_ids;
-    UnifiedWindowGroups groups;
-    u64 staging_size_bytes = 0;
-    for (auto& [copy, buffer_id] : downloads) {
-        Buffer& buffer = slot_buffers[buffer_id];
-        const DAddr orig_device_addr = buffer.CpuAddr() + copy.src_offset;
-        bool unified = false;
-        if constexpr (USE_UNIFIED_MEMORY) {
-            if (runtime.HasUnifiedMemory()) {
-                window_ids.clear();
-                groups.clear();
-                unified = ResolveUnifiedWindows(orig_device_addr, copy.src_offset, copy.size,
-                                                window_ids, groups);
-            }
-        }
-        BufferCopy record{copy};
-        record.src_offset = static_cast<size_t>(orig_device_addr);
-        if (unified) {
-            async_downloads.Add(orig_device_addr, copy.size);
-            buffer.MarkUsage(copy.src_offset, copy.size);
-            for (size_t i = 0; i < window_ids.size(); ++i) {
-                unified_copy_queue.push_back(
-                    QueuedUnifiedCopy{window_ids[i], buffer_id, std::move(groups[i])});
-            }
-            batch.unified_copies.push_back(record);
-            continue;
-        }
-        copy.dst_offset = staging_size_bytes;
-        constexpr u64 align = 64ULL;
-        staging_size_bytes += (copy.size + align - 1) & ~(align - 1ULL);
-        staging_downloads.push_back({copy, buffer_id});
-    }
-
-    std::optional<Async_Buffer> download_staging;
-    if (!staging_downloads.empty()) {
-        download_staging = runtime.DownloadStagingBuffer(staging_size_bytes, true);
-    }
+    auto download_staging = runtime.DownloadStagingBuffer(total_size_bytes, true);
+    boost::container::small_vector<BufferCopy, 4> normalized_copies;
     runtime.PreCopyBarrier();
-    for (auto& [copy, buffer_id] : staging_downloads) {
-        copy.dst_offset += download_staging->offset;
+    for (auto& [copy, buffer_id] : downloads) {
+        copy.dst_offset += download_staging.offset;
         const std::array copies{copy};
+        BufferCopy second_copy{copy};
         Buffer& buffer = slot_buffers[buffer_id];
-        BufferCopy record{copy};
-        record.src_offset = static_cast<size_t>(buffer.CpuAddr()) + copy.src_offset;
-        const DAddr orig_device_addr = static_cast<DAddr>(record.src_offset);
+        second_copy.src_offset = static_cast<size_t>(buffer.CpuAddr()) + copy.src_offset;
+        const DAddr orig_device_addr = static_cast<DAddr>(second_copy.src_offset);
         async_downloads.Add(orig_device_addr, copy.size);
         buffer.MarkUsage(copy.src_offset, copy.size);
-        runtime.CopyBuffer(download_staging->buffer, buffer, copies, false);
-        batch.staging_copies.push_back(record);
-    }
-    if constexpr (USE_UNIFIED_MEMORY) {
-        for (const auto& queued : unified_copy_queue) {
-            const std::span<const BufferCopy> group_span(queued.copies.data(),
-                                                         queued.copies.size());
-            runtime.CopyToUnifiedMemory(queued.window, slot_buffers[queued.buffer_id], group_span);
-        }
-        if (!unified_copy_queue.empty()) {
-            runtime.UnifiedMemoryHostBarrier();
-        }
+        runtime.CopyBuffer(download_staging.buffer, buffer, copies, false);
+        normalized_copies.push_back(second_copy);
     }
     runtime.PostCopyBarrier();
-    pending_downloads.emplace_back(std::move(batch));
-    async_buffers.emplace_back(std::move(download_staging));
+    pending_downloads.emplace_back(std::move(normalized_copies));
+    async_buffers.emplace_back(download_staging);
 }
 
 template <class P>
@@ -838,49 +673,32 @@ void BufferCache<P>::PopAsyncFlushes() {
 
 template <class P>
 void BufferCache<P>::PopAsyncBuffers() {
-    struct Writeback {
-        DAddr addr;
-        const u8* src;
-        u64 size;
-    };
-    boost::container::small_vector<Writeback, 8> writebacks;
-    {
-        std::scoped_lock lock{mutex};
-        if (async_buffers.empty()) {
-            return;
-        }
-        auto& batch = pending_downloads.front();
-        auto& async_buffer = async_buffers.front();
-        if (async_buffer.has_value()) {
-            const u8* base = async_buffer->mapped_span.data();
-            const size_t base_offset = async_buffer->offset;
-            for (const auto& copy : batch.staging_copies) {
-                const DAddr device_addr = static_cast<DAddr>(copy.src_offset);
-                const u64 dst_offset = copy.dst_offset - base_offset;
-                const u8* read_mapped_memory = base + dst_offset;
-                async_downloads.ForEachInRange(
-                    device_addr, copy.size, [&](DAddr start, DAddr end, s32) {
-                        writebacks.push_back(
-                            {start, &read_mapped_memory[start - device_addr], end - start});
-                    });
-                async_downloads.Subtract(device_addr, copy.size, [&](DAddr start, DAddr end) {
-                    gpu_modified_ranges.Subtract(start, end - start);
-                });
-            }
-            async_buffers_death_ring.emplace_back(*async_buffer);
-        }
-        for (const auto& copy : batch.unified_copies) {
-            const DAddr device_addr = static_cast<DAddr>(copy.src_offset);
-            async_downloads.Subtract(device_addr, copy.size, [&](DAddr start, DAddr end) {
-                gpu_modified_ranges.Subtract(start, end - start);
-            });
-        }
+    if (async_buffers.empty()) {
+        return;
+    }
+    if (!async_buffers.front().has_value()) {
         async_buffers.pop_front();
-        pending_downloads.pop_front();
+        return;
     }
-    for (const auto& wb : writebacks) {
-        device_memory.WriteBlockUnsafe(wb.addr, wb.src, wb.size);
+    auto& downloads = pending_downloads.front();
+    auto& async_buffer = async_buffers.front();
+    u8* base = async_buffer->mapped_span.data();
+    const size_t base_offset = async_buffer->offset;
+    for (const auto& copy : downloads) {
+        const DAddr device_addr = static_cast<DAddr>(copy.src_offset);
+        const u64 dst_offset = copy.dst_offset - base_offset;
+        const u8* read_mapped_memory = base + dst_offset;
+        async_downloads.ForEachInRange(device_addr, copy.size, [&](DAddr start, DAddr end, s32) {
+            device_memory.WriteBlockUnsafe(start, &read_mapped_memory[start - device_addr],
+                                           end - start);
+        });
+        async_downloads.Subtract(device_addr, copy.size, [&](DAddr start, DAddr end) {
+            gpu_modified_ranges.Subtract(start, end - start);
+        });
     }
+    async_buffers_death_ring.emplace_back(*async_buffer);
+    async_buffers.pop_front();
+    pending_downloads.pop_front();
 }
 
 template <class P>
@@ -991,46 +809,46 @@ void BufferCache<P>::BindHostVertexBuffers() {
 
     if (use_optimized_vertex_buffers) {
         auto& flags = maxwell3d->dirty.flags;
-        const u32 enabled_mask = enabled_vertex_buffers_mask;
-        bool any_dirty = false;
-        u32 pending_mask = enabled_mask;
-        while (pending_mask != 0) {
-            const u32 index = std::countr_zero(pending_mask);
-            pending_mask &= (pending_mask - 1);
+        u32 enabled_mask = enabled_vertex_buffers_mask;
+        HostBindings<Buffer> bindings{};
+        u32 last_index = (std::numeric_limits<u32>::max)();
+        const auto flush_bindings = [&]() {
+            if (bindings.buffers.empty()) {
+                return;
+            }
+            bindings.max_index = bindings.min_index + static_cast<u32>(bindings.buffers.size());
+            runtime.BindVertexBuffers(bindings);
+            bindings = HostBindings<Buffer>{};
+            last_index = (std::numeric_limits<u32>::max)();
+        };
+        while (enabled_mask != 0) {
+            const u32 index = std::countr_zero(enabled_mask);
+            enabled_mask &= (enabled_mask - 1);
             const Binding& binding = VertexBufferSlot(index);
             Buffer& buffer = slot_buffers[binding.buffer_id];
             TouchBuffer(buffer, binding.buffer_id);
             SynchronizeBuffer(buffer, binding.device_addr, binding.size);
-            any_dirty |= flags[Dirty::VertexBuffer0 + index];
-        }
-        if (enabled_mask == 0 || !any_dirty) {
-            return;
-        }
-        const u32 min_index = static_cast<u32>(std::countr_zero(enabled_mask));
-        const u32 max_index = 32u - static_cast<u32>(std::countl_zero(enabled_mask));
-        HostBindings<Buffer> bindings{};
-        bindings.min_index = min_index;
-        bindings.max_index = max_index;
-        for (u32 index = min_index; index < max_index; ++index) {
-            flags[Dirty::VertexBuffer0 + index] = false;
-            const u32 stride = maxwell3d->regs.vertex_streams[index].stride;
-            if ((enabled_mask & (1u << index)) == 0) {
-                bindings.buffers.push_back(&slot_buffers[NULL_BUFFER_ID]);
-                bindings.offsets.push_back(0);
-                bindings.sizes.push_back(0);
-                bindings.strides.push_back(stride);
+            if (!flags[Dirty::VertexBuffer0 + index]) {
+                flush_bindings();
                 continue;
             }
-            const Binding& binding = VertexBufferSlot(index);
-            Buffer& buffer = slot_buffers[binding.buffer_id];
+            flags[Dirty::VertexBuffer0 + index] = false;
+            const u32 stride = maxwell3d->regs.vertex_streams[index].stride;
             const u32 offset = buffer.Offset(binding.device_addr);
             buffer.MarkUsage(offset, binding.size);
+            if (!bindings.buffers.empty() && index != last_index + 1) {
+                flush_bindings();
+            }
+            if (bindings.buffers.empty()) {
+                bindings.min_index = index;
+            }
             bindings.buffers.push_back(&buffer);
             bindings.offsets.push_back(offset);
             bindings.sizes.push_back(binding.size);
             bindings.strides.push_back(stride);
+            last_index = index;
         }
-        runtime.BindVertexBuffers(bindings);
+        flush_bindings();
     } else {
         HostBindings<typename P::Buffer> host_bindings;
         bool any_valid{false};
@@ -1103,6 +921,7 @@ void BufferCache<P>::BindHostGraphicsUniformBuffers(size_t stage) {
 
 template <class P>
 void BufferCache<P>::BindHostGraphicsUniformBuffer(size_t stage, u32 index, u32 binding_index, bool needs_bind) {
+    ++channel_state->uniform_cache_shots[0];
     const Binding& binding = channel_state->uniform_buffers[stage][index];
     const DAddr device_addr = binding.device_addr;
     const u32 size = (std::min)(binding.size, (*channel_state->uniform_buffer_sizes)[stage][index]);
@@ -1121,12 +940,8 @@ void BufferCache<P>::BindHostGraphicsUniformBuffer(size_t stage, u32 index, u32
             return alignment > 1 && (offset % alignment) != 0;
         }
     }();
-
-    const bool cached_buffer_is_current =
-        has_host_buffer && !memory_tracker.IsRegionCpuModified(device_addr, size);
     const bool use_fast_buffer = needs_alignment_stream
-        || (has_host_buffer && !cached_buffer_is_current
-            && size <= channel_state->uniform_buffer_skip_cache_size
+        || (has_host_buffer && size <= channel_state->uniform_buffer_skip_cache_size
             && !memory_tracker.IsRegionGpuModified(device_addr, size));
     if (use_fast_buffer) {
         if constexpr (IS_OPENGL) {
@@ -1153,7 +968,7 @@ void BufferCache<P>::BindHostGraphicsUniformBuffer(size_t stage, u32 index, u32
         device_memory.ReadBlockUnsafe(device_addr, span.data(), size);
         return;
     }
-    ++channel_state->uniform_cache_shots[0];
+    // Classic cached path
     if (SynchronizeBuffer(buffer, device_addr, size)) {
         ++channel_state->uniform_cache_hits[0];
     }
@@ -1761,7 +1576,6 @@ void BufferCache<P>::JoinOverlap(BufferId new_buffer_id, BufferId overlap_id,
 
 template <class P>
 BufferId BufferCache<P>::CreateBuffer(DAddr device_addr, u32 wanted_size) {
-    EnsureHeadroom(false);
     DAddr device_addr_end = Common::AlignUp(device_addr + wanted_size, CACHING_PAGESIZE);
     device_addr = Common::AlignDown(device_addr, CACHING_PAGESIZE);
     wanted_size = static_cast<u32>(device_addr_end - device_addr);
@@ -1799,7 +1613,7 @@ void BufferCache<P>::ChangeRegister(BufferId buffer_id) {
         total_used_memory += Common::AlignUp(size, 1024);
         buffer.setLRUID(lru_cache.Insert(buffer_id, frame_tick));
     } else {
-        total_used_memory -= std::min<u64>(total_used_memory, Common::AlignUp(size, 1024));
+        total_used_memory -= Common::AlignUp(size, 1024);
         lru_cache.Free(buffer.getLRUID());
     }
     const DAddr device_addr_begin = buffer.CpuAddr();
@@ -1885,98 +1699,6 @@ void BufferCache<P>::ImmediateUploadMemory([[maybe_unused]] Buffer& buffer,
     }
 }
 
-template <class P>
-bool BufferCache<P>::ResolveUnifiedWindows(
-    [[maybe_unused]] DAddr device_addr, [[maybe_unused]] u64 buffer_offset,
-    [[maybe_unused]] u64 size, [[maybe_unused]] boost::container::small_vector<u64, 4>& window_ids,
-    [[maybe_unused]] UnifiedWindowGroups& groups) {
-    if constexpr (USE_UNIFIED_MEMORY) {
-        const u8* const physical_base = device_memory.GetPhysicalBase();
-        const u64 unified_base = runtime.UnifiedMemoryBase();
-        const u64 unified_size = runtime.UnifiedMemorySize();
-        const u64 window_size = runtime.UnifiedMemoryWindowSize();
-        if (window_size == 0) {
-            return false;
-        }
-        const auto group_for = [&](u64 window) -> boost::container::small_vector<BufferCopy, 16>& {
-            for (size_t i = 0; i < window_ids.size(); ++i) {
-                if (window_ids[i] == window) {
-                    return groups[i];
-                }
-            }
-            window_ids.push_back(window);
-            groups.emplace_back();
-            return groups.back();
-        };
-        u64 downloaded = 0;
-        while (downloaded < size) {
-            const DAddr page_addr = device_addr + downloaded;
-            const u8* const ptr = device_memory.GetPointer<u8>(page_addr);
-            if (ptr == nullptr) {
-                return false;
-            }
-            const u64 page_offset = page_addr & Core::DEVICE_PAGEMASK;
-            u64 chunk = (std::min)(size - downloaded,
-                                   static_cast<u64>(Core::DEVICE_PAGESIZE) - page_offset);
-            const u64 phys_offset = static_cast<u64>(ptr - physical_base);
-            if (phys_offset < unified_base || phys_offset - unified_base + chunk > unified_size) {
-                return false;
-            }
-            const u64 relative = phys_offset - unified_base;
-            const u64 window = relative / window_size;
-            const u64 local_offset = relative % window_size;
-            chunk = (std::min)(chunk, window_size - local_offset);
-            auto& group = group_for(window);
-            if (!group.empty()) {
-                BufferCopy& last = group.back();
-                if (last.src_offset + last.size == buffer_offset + downloaded &&
-                    last.dst_offset + last.size == local_offset) {
-                    last.size += chunk;
-                    downloaded += chunk;
-                    continue;
-                }
-            }
-            group.push_back(BufferCopy{
-                .src_offset = buffer_offset + downloaded,
-                .dst_offset = local_offset,
-                .size = chunk,
-            });
-            downloaded += chunk;
-        }
-        return true;
-    } else {
-        return false;
-    }
-}
-
-template <class P>
-bool BufferCache<P>::TryUnifiedDownloadMemory([[maybe_unused]] Buffer& buffer,
-                                              [[maybe_unused]] std::span<BufferCopy> copies) {
-    if constexpr (USE_UNIFIED_MEMORY) {
-        boost::container::small_vector<u64, 4> window_ids;
-        UnifiedWindowGroups groups;
-        for (const BufferCopy& copy : copies) {
-            if (!ResolveUnifiedWindows(buffer.CpuAddr() + copy.src_offset, copy.src_offset,
-                                       copy.size, window_ids, groups)) {
-                return false;
-            }
-        }
-        for (const BufferCopy& copy : copies) {
-            buffer.MarkUsage(copy.src_offset, copy.size);
-        }
-        runtime.PreCopyBarrier();
-        for (size_t i = 0; i < window_ids.size(); ++i) {
-            const std::span<const BufferCopy> group_span(groups[i].data(), groups[i].size());
-            runtime.CopyToUnifiedMemory(window_ids[i], buffer, group_span);
-        }
-        runtime.UnifiedMemoryHostBarrier();
-        runtime.Finish();
-        return true;
-    } else {
-        return false;
-    }
-}
-
 template <class P>
 void BufferCache<P>::MappedUploadMemory([[maybe_unused]] Buffer& buffer,
                                         [[maybe_unused]] u64 total_size_bytes,
@@ -2080,12 +1802,6 @@ void BufferCache<P>::DownloadBufferMemory(Buffer& buffer, DAddr device_addr, u64
     }
 
     if constexpr (USE_MEMORY_MAPS) {
-        if constexpr (USE_UNIFIED_MEMORY) {
-            if (runtime.HasUnifiedMemory() &&
-                TryUnifiedDownloadMemory(buffer, std::span(copies.data(), copies.size()))) {
-                return;
-            }
-        }
         auto download_staging = runtime.DownloadStagingBuffer(total_size_bytes);
         const u8* const mapped_memory = download_staging.mapped_span.data();
         const std::span<BufferCopy> copies_span(copies.data(), copies.data() + copies.size());
@@ -2156,7 +1872,7 @@ void BufferCache<P>::DeleteBuffer(BufferId buffer_id, bool do_not_mark) {
 #ifdef YUZU_LEGACY
     if (!do_not_mark || !immediately_free)
 #endif
-        sentenced_buffers.Push(std::move(slot_buffers[buffer_id]), runtime.CurrentSyncPoint());
+        delayed_destruction_ring.Push(std::move(slot_buffers[buffer_id]));
 
     slot_buffers.erase(buffer_id);
 

src/video_core/buffer_cache/buffer_cache_base.h

@@ -9,7 +9,6 @@
 #include <algorithm>
 #include <array>
 #include <bit>
-#include <deque>
 #include <functional>
 #include <memory>
 #include <mutex>
@@ -31,7 +30,7 @@
 #include "common/slot_vector.h"
 #include "video_core/buffer_cache/buffer_base.h"
 #include "video_core/control/channel_state_cache.h"
-#include "video_core/deferred_destruction_queue.h"
+#include "video_core/delayed_destruction_ring.h"
 #include "video_core/dirty_flags.h"
 #include "video_core/engines/maxwell_3d.h"
 #include "video_core/engines/kepler_compute.h"
@@ -181,18 +180,15 @@ class BufferCache : public VideoCommon::ChannelSetupCaches<BufferCacheChannelInf
     static constexpr bool USE_MEMORY_MAPS = P::USE_MEMORY_MAPS;
     static constexpr bool SEPARATE_IMAGE_BUFFERS_BINDINGS = P::SEPARATE_IMAGE_BUFFER_BINDINGS;
     static constexpr bool USE_MEMORY_MAPS_FOR_UPLOADS = P::USE_MEMORY_MAPS_FOR_UPLOADS;
-    static constexpr bool USE_UNIFIED_MEMORY = P::USE_UNIFIED_MEMORY;
 
 #ifdef YUZU_LEGACY
-    static constexpr u64 RECLAIM_HEADROOM = 384_MiB;
+    static constexpr s64 TARGET_THRESHOLD = 3_GiB;
 #else
-    static constexpr u64 RECLAIM_HEADROOM = 512_MiB;
+    static constexpr s64 TARGET_THRESHOLD = 4_GiB;
 #endif
 
-    static constexpr u64 FALLBACK_MEMORY_BUDGET = 2_GiB;
-    static constexpr u32 USAGE_REFRESH_INTERVAL = 16;
-    static constexpr u64 RECLAIM_GUARD_FRAMES = 8;
-    static constexpr u64 RECLAIM_TARGET_PERCENT = 95;
+    static constexpr s64 DEFAULT_EXPECTED_MEMORY = 512_MiB;
+    static constexpr s64 DEFAULT_CRITICAL_MEMORY = 1_GiB;
 
     // Debug Flags.
 
@@ -219,10 +215,6 @@ public:
 
     void TickFrame();
 
-    u64 ReclaimMemory(u64 target_bytes, bool allow_download);
-
-    void ReclaimDeferredResources(u64 completed_sync_point);
-
     void WriteMemory(DAddr device_addr, u64 size);
 
     void CachedWriteMemory(DAddr device_addr, u64 size);
@@ -366,9 +358,7 @@ private:
                ((device_addr + size) & ~Core::DEVICE_PAGEMASK);
     }
 
-    u64 DeviceUsage(bool force_refresh);
-
-    void EnsureHeadroom(bool allow_download);
+    void RunGarbageCollector();
 
     void BindHostIndexBuffer();
 
@@ -453,15 +443,6 @@ private:
 
     void MappedUploadMemory(Buffer& buffer, u64 total_size_bytes, std::span<BufferCopy> copies);
 
-    bool TryUnifiedDownloadMemory(Buffer& buffer, std::span<BufferCopy> copies);
-
-    using UnifiedWindowGroups =
-        boost::container::small_vector<boost::container::small_vector<BufferCopy, 16>, 4>;
-
-    bool ResolveUnifiedWindows(DAddr device_addr, u64 buffer_offset, u64 size,
-                               boost::container::small_vector<u64, 4>& window_ids,
-                               UnifiedWindowGroups& groups);
-
     void DownloadBufferMemory(Buffer& buffer_id);
 
     void DownloadBufferMemory(Buffer& buffer_id, DAddr device_addr, u64 size);
@@ -494,7 +475,12 @@ private:
     Tegra::MaxwellDeviceMemoryManager& device_memory;
 
     Common::SlotVector<Buffer> slot_buffers;
-    DeferredDestructionQueue<Buffer> sentenced_buffers;
+#ifdef YUZU_LEGACY
+    static constexpr size_t TICKS_TO_DESTROY = 6;
+#else
+    static constexpr size_t TICKS_TO_DESTROY = 8;
+#endif
+    DelayedDestructionRing<Buffer, TICKS_TO_DESTROY> delayed_destruction_ring;
 
     const Tegra::Engines::Maxwell3D::DrawManager::IndirectParams* current_draw_indirect{};
 
@@ -512,14 +498,9 @@ private:
     std::deque<Common::RangeSet<DAddr>> committed_gpu_modified_ranges;
 
     // Async Buffers
-    struct AsyncDownloadBatch {
-        boost::container::small_vector<BufferCopy, 4> staging_copies;
-        boost::container::small_vector<BufferCopy, 4> unified_copies;
-    };
-
     Common::OverlapRangeSet<DAddr> async_downloads;
     std::deque<std::optional<Async_Buffer>> async_buffers;
-    std::deque<AsyncDownloadBatch> pending_downloads;
+    std::deque<boost::container::small_vector<BufferCopy, 4>> pending_downloads;
     std::optional<Async_Buffer> current_buffer;
 
     std::deque<Async_Buffer> async_buffers_death_ring;
@@ -534,14 +515,8 @@ private:
     Common::LeastRecentlyUsedCache<LRUItemParams> lru_cache;
     u64 frame_tick = 0;
     u64 total_used_memory = 0;
-    u64 memory_budget = 0;
-    u64 cached_device_usage = 0;
-    /// Sync point the last reclaim's evictions were queued at. Their memory is not back with the
-    /// device until this completes, so reclaiming again before then measures stale usage.
-    u64 reclaim_wait_sync_point = 0;
-    u32 usage_refresh_countdown = 0;
-    bool in_reclaim = false;
-    bool reclaim_stalled = false;
+    u64 minimum_memory = 0;
+    u64 critical_memory = 0;
     BufferId inline_buffer_id;
 #ifdef YUZU_LEGACY
     bool immediately_free = false;

src/video_core/control/channel_state.cpp

@@ -16,6 +16,26 @@
 #include "video_core/memory_manager.h"
 
 namespace Tegra::Control {
+namespace {
+
+// Match NVK/Nouveau's initial pushbuffer subchannel layout.
+constexpr u32 Nvk3DSubchannel = 0;
+constexpr u32 NvkComputeSubchannel = 1;
+constexpr u32 Nvk2DSubchannel = 3;
+constexpr u32 NvkCopySubchannel = 4;
+
+void BindNvkDefaultSubchannels(ChannelState::Payload& payload) {
+    auto& dma_pusher = payload.dma_pusher;
+    dma_pusher.BindSubchannel(&payload.maxwell_3d, Nvk3DSubchannel, Engines::EngineTypes::Maxwell3D);
+    dma_pusher.BindSubchannel(&payload.kepler_compute, NvkComputeSubchannel,
+                              Engines::EngineTypes::KeplerCompute);
+    // Subchannel 2 is M2MF there; Eden does not expose a 0x9039 engine yet.
+    dma_pusher.BindSubchannel(&payload.fermi_2d, Nvk2DSubchannel, Engines::EngineTypes::Fermi2D);
+    dma_pusher.BindSubchannel(&payload.maxwell_dma, NvkCopySubchannel,
+                              Engines::EngineTypes::MaxwellDMA);
+}
+
+} // Anonymous namespace
 
 ChannelState::Payload::Payload(Core::System& system, MemoryManager& memory_manager, ChannelState& channel_state)
     : maxwell_3d(memory_manager)
@@ -35,6 +55,7 @@ void ChannelState::Init(Core::System& system, u64 program_id_) {
     ASSERT(memory_manager);
     program_id = program_id_;
     payload.emplace(system, *memory_manager, *this);
+    BindNvkDefaultSubchannels(*payload);
     initialized = true;
 }
 

src/video_core/deferred_destruction_queue.h

@@ -1,56 +0,0 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
-#pragma once
-
-#include <cstddef>
-#include <utility>
-
-#include <boost/container/deque.hpp>
-#include <boost/container/options.hpp>
-
-#include "common/common_types.h"
-
-namespace VideoCommon {
-
-template <typename T>
-class DeferredDestructionQueue {
-public:
-    void Push(T&& object, u64 sync_point) {
-        entries.emplace_back(std::move(object), sync_point);
-    }
-
-    void Reclaim(u64 completed_sync_point) {
-        while (!entries.empty() && entries.front().sync_point <= completed_sync_point) {
-            entries.pop_front();
-        }
-    }
-
-    void Clear() {
-        entries.clear();
-    }
-
-    [[nodiscard]] size_t Size() const noexcept {
-        return entries.size();
-    }
-
-    [[nodiscard]] bool Empty() const noexcept {
-        return entries.empty();
-    }
-
-private:
-    struct Entry {
-        Entry(T&& object_, u64 sync_point_) noexcept
-            : object{std::move(object_)}, sync_point{sync_point_} {}
-
-        T object;
-        u64 sync_point;
-    };
-
-    using EntryDequeOptions =
-        boost::container::deque_options<boost::container::block_size<8u>>::type;
-
-    boost::container::deque<Entry, void, EntryDequeOptions> entries;
-};
-
-} // namespace VideoCommon

src/video_core/delayed_destruction_ring.h

@@ -0,0 +1,34 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <array>
+#include <cstddef>
+#include <utility>
+#include <vector>
+
+namespace VideoCommon {
+
+/// Container to push objects to be destroyed a few ticks in the future
+template <typename T, size_t TICKS_TO_DESTROY>
+class DelayedDestructionRing {
+public:
+    void Tick() {
+        index = (index + 1) % TICKS_TO_DESTROY;
+        elements[index].clear();
+    }
+
+    void Push(T&& object) {
+        elements[index].push_back(std::move(object));
+    }
+
+private:
+    size_t index = 0;
+    std::array<std::vector<T>, TICKS_TO_DESTROY> elements;
+};
+
+} // namespace VideoCommon

src/video_core/engines/fermi_2d.cpp

@@ -71,8 +71,7 @@ void Fermi2D::Blit() {
     constexpr s64 null_derivative = 1ULL << 32;
     Surface src = regs.src;
     const auto bytes_per_pixel = BytesPerBlock(PixelFormatFromRenderTargetFormat(src.format));
-    const u64 src_area = static_cast<u64>(src.width) * static_cast<u64>(src.height);
-    const bool delegate_to_gpu = src_area > 512ULL * 512ULL && bytes_per_pixel <= 8 &&
+    const bool delegate_to_gpu = src.width > 512 && src.height > 512 && bytes_per_pixel <= 8 &&
                                  src.format != regs.dst.format;
 
     auto srcX = args.src_x0;

src/video_core/engines/puller.cpp

@@ -22,10 +22,21 @@
 
 namespace Tegra::Engines {
 
+namespace {
+
+constexpr u32 Gf100BindClassMask = 0xffff;
+constexpr u32 Gf100BindValidMask =  0x1f0000 | Gf100BindClassMask;
+
+} // Anonymous namespace
+
 void Puller::ProcessBindMethod(DmaPusher& dma_pusher, const MethodCall& method_call) {
-    // Bind the current subchannel to the desired engine id.
-    LOG_DEBUG(HW_GPU, "Binding subchannel {} to engine {}", method_call.subchannel, method_call.argument);
-    const auto engine_id = static_cast<EngineID>(method_call.argument);
+    LOG_DEBUG(HW_GPU, "Binding subchannel {} to engine {:#x}", method_call.subchannel, method_call.argument);
+    u32 engine = method_call.argument;
+    if ((engine & ~Gf100BindClassMask) != 0 && (engine & ~Gf100BindValidMask) == 0) {
+        engine &= Gf100BindClassMask;
+    }
+
+    const auto engine_id = static_cast<EngineID>(engine);
     bound_engines[method_call.subchannel] = engine_id;
     switch (engine_id) {
     case EngineID::FERMI_TWOD_A:

src/video_core/fence_manager.h

@@ -18,7 +18,7 @@
 #include "common/common_types.h"
 #include "common/settings.h"
 #include "common/thread.h"
-#include "video_core/deferred_destruction_queue.h"
+#include "video_core/delayed_destruction_ring.h"
 #include "video_core/gpu.h"
 #include "video_core/host1x/host1x.h"
 #include "video_core/host1x/syncpoint_manager.h"
@@ -50,8 +50,7 @@ public:
     /// Notify the fence manager about a new frame
     void TickFrame() {
         std::unique_lock lock(ring_guard);
-        ++retire_tick;
-        sentenced_fences.Reclaim(retire_tick > RETIRE_DELAY ? retire_tick - RETIRE_DELAY : 0);
+        delayed_destruction_ring.Tick();
     }
 
     // Unlike other fences, this one doesn't
@@ -92,6 +91,9 @@ public:
             func();
         }
         fences.push(std::move(new_fence));
+        if (should_flush) {
+            rasterizer.FlushCommands();
+        }
         if constexpr (can_async_check) {
             guard.unlock();
             cv.notify_all();
@@ -184,7 +186,7 @@ private:
             }
             {
                 std::unique_lock lock(ring_guard);
-                sentenced_fences.Push(std::move(current_fence), retire_tick);
+                delayed_destruction_ring.Push(std::move(current_fence));
             }
             fences.pop();
         }
@@ -217,7 +219,7 @@ private:
             }
             {
                 std::unique_lock lock(ring_guard);
-                sentenced_fences.Push(std::move(current_fence), retire_tick);
+                delayed_destruction_ring.Push(std::move(current_fence));
             }
         }
     }
@@ -236,10 +238,10 @@ private:
 
     void PopAsyncFlushes() {
         {
-            std::scoped_lock lock{texture_cache.mutex};
+            std::scoped_lock lock{buffer_cache.mutex, texture_cache.mutex};
             texture_cache.PopAsyncFlushes();
+            buffer_cache.PopAsyncFlushes();
         }
-        buffer_cache.PopAsyncFlushes();
         query_cache.PopAsyncFlushes();
     }
 
@@ -262,9 +264,7 @@ private:
 
     std::jthread fence_thread;
 
-    static constexpr u64 RETIRE_DELAY = 8;
-    u64 retire_tick = 1;
-    DeferredDestructionQueue<TFence> sentenced_fences;
+    DelayedDestructionRing<TFence, 8> delayed_destruction_ring;
 };
 
 } // namespace VideoCommon

src/video_core/gpu_thread.cpp

@@ -30,7 +30,6 @@ void ThreadManager::StartThread(VideoCore::RendererBase& renderer, Core::Fronten
     thread = std::jthread([&](std::stop_token stop_token) {
         Common::SetCurrentThreadName("GPU");
         Common::SetCurrentThreadPriority(Common::ThreadPriority::Critical);
-        Common::SetCurrentThreadToPerformanceCores();
         system.RegisterHostThread();
 
         auto current_context = context.Acquire();

src/video_core/host_shaders/CMakeLists.txt

@@ -17,13 +17,11 @@ set(SHADER_FILES
     ${CMAKE_CURRENT_SOURCE_DIR}/astc_decoder.comp
     ${CMAKE_CURRENT_SOURCE_DIR}/blit_color_float.frag
     ${CMAKE_CURRENT_SOURCE_DIR}/block_linear_unswizzle_2d.comp
-    ${CMAKE_CURRENT_SOURCE_DIR}/block_linear_unswizzle_2d_buffer.comp
     ${CMAKE_CURRENT_SOURCE_DIR}/blit_color_msaa.frag
     ${CMAKE_CURRENT_SOURCE_DIR}/blit_depth_msaa.frag
     ${CMAKE_CURRENT_SOURCE_DIR}/blit_depth_stencil_msaa.frag
     ${CMAKE_CURRENT_SOURCE_DIR}/block_linear_unswizzle_3d.comp
     ${CMAKE_CURRENT_SOURCE_DIR}/block_linear_unswizzle_3d_bcn.comp
-    ${CMAKE_CURRENT_SOURCE_DIR}/block_linear_unswizzle_3d_buffer.comp
     ${CMAKE_CURRENT_SOURCE_DIR}/convert_abgr8_to_d24s8.frag
     ${CMAKE_CURRENT_SOURCE_DIR}/convert_abgr8_to_d32f.frag
     ${CMAKE_CURRENT_SOURCE_DIR}/convert_d32f_to_abgr8.frag
@@ -34,7 +32,6 @@ set(SHADER_FILES
     ${CMAKE_CURRENT_SOURCE_DIR}/convert_msaa_to_non_msaa.frag
     ${CMAKE_CURRENT_SOURCE_DIR}/convert_non_msaa_to_msaa.comp
     ${CMAKE_CURRENT_SOURCE_DIR}/convert_non_msaa_to_msaa.frag
-    ${CMAKE_CURRENT_SOURCE_DIR}/convert_non_msaa_to_msaa_depth.frag
     ${CMAKE_CURRENT_SOURCE_DIR}/convert_s8d24_to_abgr8.frag
     ${CMAKE_CURRENT_SOURCE_DIR}/full_screen_triangle.vert
     ${CMAKE_CURRENT_SOURCE_DIR}/fxaa.frag

src/video_core/host_shaders/astc_decoder.comp

@@ -77,8 +77,14 @@ uvec4 local_buff;
 uvec4 color_endpoint_data;
 int color_bitsread = 0;
 
-#define MAX_WEIGHT_VALUES 64
-uint result_vector[MAX_WEIGHT_VALUES];
+// Global "vector" to be pushed into when decoding
+// At most will require BLOCK_WIDTH x BLOCK_HEIGHT in single plane mode
+// At most will require BLOCK_WIDTH x BLOCK_HEIGHT x 2 in dual plane mode
+// So the maximum would be 144 (12 x 12) elements, x 2 for two planes
+#define DIVCEIL(number, divisor) (number + divisor - 1) / divisor
+#define ARRAY_NUM_ELEMENTS 144
+#define VECTOR_ARRAY_SIZE DIVCEIL(ARRAY_NUM_ELEMENTS * 2, 4)
+uint result_vector[ARRAY_NUM_ELEMENTS * 2];
 
 int result_index = 0;
 uint result_vector_max_index;
@@ -486,7 +492,7 @@ void DecodeColorValues(uvec4 modes, uint num_partitions, uint color_data_bits, o
         A = ReplicateBitTo9((bitval & 1));
         switch (encoding) {
         case JUST_BITS:
-            color_values[out_index++] = FastReplicateTo8(bitval, bitlen);
+            color_values[++out_index] = FastReplicateTo8(bitval, bitlen);
             break;
         case TRIT: {
             D = QuintTritValue(val);
@@ -565,7 +571,7 @@ void DecodeColorValues(uvec4 modes, uint num_partitions, uint color_data_bits, o
             uint T = (D * C) + B;
             T ^= A;
             T = (A & 0x80) | (T >> 2);
-            color_values[out_index++] = T;
+            color_values[++out_index] = T;
         }
     }
 }
@@ -747,12 +753,12 @@ void ComputeEndpoints(out uvec4 ep1, out uvec4 ep2, uint color_endpoint_mode, ui
 #define READ_UINT_VALUES(N)                                                                        \
     uvec4 V[2];                                                                                    \
     for (uint i = 0; i < N; i++) {                                                                 \
-        V[i / 4][i % 4] = color_values[colvals_index++];                      \
+        V[i / 4][i % 4] = color_values[++colvals_index];                      \
     }
 #define READ_INT_VALUES(N)                                                                         \
     ivec4 V[2];                                                                                    \
     for (uint i = 0; i < N; i++) {                                                                 \
-        V[i / 4][i % 4] = int(color_values[colvals_index++]);                      \
+        V[i / 4][i % 4] = int(color_values[++colvals_index]);                      \
     }
 
     switch (color_endpoint_mode) {
@@ -1219,10 +1225,6 @@ void DecompressBlock(ivec3 coord) {
         FillError(coord);
         return;
     }
-    if (GetNumWeightValues(size_params, dual_plane) > MAX_WEIGHT_VALUES) {
-        FillError(coord);
-        return;
-    }
     uint partition_index = 1;
     uvec4 color_endpoint_mode = uvec4(0);
     uint ced_pointer = 0;
@@ -1382,7 +1384,11 @@ void DecompressBlock(ivec3 coord) {
                 p = Cf / 65535.0f;
             }
 
+#ifdef VULKAN
+            imageStore(dest_image, coord + ivec3(i, j, 0), p.gbar);
+#else
             imageStore(dest_image, coord + ivec3(i, j, 0), clamp(p, 0.0f, 1.0f).gbar);
+#endif
         }
     }
 }

src/video_core/host_shaders/block_linear_unswizzle_2d_buffer.comp

@@ -1,104 +0,0 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
-#version 430
-
-#extension GL_EXT_shader_16bit_storage : require
-#extension GL_EXT_shader_8bit_storage : require
-
-#define BINDING_INPUT_BUFFER 0
-#define BINDING_OUTPUT_BUFFER 1
-
-layout(push_constant) uniform PushConstants {
-    uvec3 dim;
-    uint bytes_per_block_log2;
-
-    uvec3 origin;
-    uint layer_stride;
-
-    uint block_size;
-    uint x_shift;
-    uint block_height;
-    uint block_height_mask;
-} pc;
-
-layout(binding = BINDING_INPUT_BUFFER, std430) buffer InputBufferU32 { uint u32data[]; };
-layout(binding = BINDING_INPUT_BUFFER, std430) buffer InputBufferU64 { uvec2 u64data[]; };
-layout(binding = BINDING_INPUT_BUFFER, std430) buffer InputBufferU128 { uvec4 u128data[]; };
-
-layout(binding = BINDING_OUTPUT_BUFFER, std430) writeonly buffer OutputBuffer {
-    uint out_u32[];
-};
-
-layout(local_size_x = 16, local_size_y = 8, local_size_z = 1) in;
-
-const uint GOB_SIZE_X = 64;
-const uint GOB_SIZE_Y = 8;
-
-const uint GOB_SIZE_X_SHIFT = 6;
-const uint GOB_SIZE_Y_SHIFT = 3;
-const uint GOB_SIZE_SHIFT = GOB_SIZE_X_SHIFT + GOB_SIZE_Y_SHIFT;
-
-const uvec2 SWIZZLE_MASK = uvec2(GOB_SIZE_X - 1u, GOB_SIZE_Y - 1u);
-
-uint SwizzleTable(uint pos) {
-    const uint t[8] = uint[](
-        0x12100200, 0x13110301, 0x16140604, 0x17150705,
-        0x1a180a08, 0x1b190b09, 0x1e1c0e0c, 0x1f1d0f0d
-    );
-    const uint i = pos >> 4;
-    const uint h = (t[i / 4] >> ((i % 4) * 8)) & 0xff;
-    return (h << 4) | (pos & 0xf);
-}
-
-uint SwizzleOffset(uvec2 pos) {
-    pos = pos & SWIZZLE_MASK;
-    return SwizzleTable(pos.y * 64u + pos.x);
-}
-
-uvec4 ReadTexel(uint offset) {
-    switch (pc.bytes_per_block_log2) {
-    case 2u:
-        return uvec4(u32data[offset / 4u], 0u, 0u, 0u);
-    case 3u:
-        return uvec4(u64data[offset / 8u], 0u, 0u);
-    case 4u:
-        return u128data[offset / 16u];
-    }
-    return uvec4(0u);
-}
-
-void main() {
-    uvec3 coord = gl_GlobalInvocationID;
-    if (coord.x >= pc.dim.x || coord.y >= pc.dim.y || coord.z >= pc.dim.z) {
-        return;
-    }
-
-    uvec3 pos = coord + pc.origin;
-    pos.x <<= pc.bytes_per_block_log2;
-
-    uint swizzle = SwizzleOffset(pos.xy);
-    uint block_y = pos.y >> GOB_SIZE_Y_SHIFT;
-
-    uint offset = 0u;
-    offset += pos.z * pc.layer_stride;
-    offset += (block_y >> pc.block_height) * pc.block_size;
-    offset += (block_y & pc.block_height_mask) << GOB_SIZE_SHIFT;
-    offset += (pos.x >> GOB_SIZE_X_SHIFT) << pc.x_shift;
-    offset += swizzle;
-
-    uvec4 texel = ReadTexel(offset);
-
-    uint words = 1u << (pc.bytes_per_block_log2 - 2u);
-    uint linear_index = coord.x + coord.y * pc.dim.x + coord.z * pc.dim.x * pc.dim.y;
-    uint out_idx = linear_index * words;
-
-    out_u32[out_idx] = texel.x;
-    if (words > 1u) {
-        out_u32[out_idx + 1u] = texel.y;
-    }
-    if (words > 2u) {
-        out_u32[out_idx + 2u] = texel.z;
-        out_u32[out_idx + 3u] = texel.w;
-    }
-}

src/video_core/host_shaders/block_linear_unswizzle_3d_buffer.comp

@@ -1,105 +0,0 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
-#version 430
-
-#define BINDING_INPUT_BUFFER 0
-#define BINDING_OUTPUT_BUFFER 1
-
-layout(push_constant) uniform PushConstants {
-    uvec3 dim;
-    uint bytes_per_block_log2;
-
-    uvec3 origin;
-    uint slice_size;
-
-    uint block_size;
-    uint x_shift;
-    uint block_height;
-    uint block_height_mask;
-
-    uint block_depth;
-    uint block_depth_mask;
-} pc;
-
-layout(binding = BINDING_INPUT_BUFFER, std430) buffer InputBufferU32 { uint u32data[]; };
-layout(binding = BINDING_INPUT_BUFFER, std430) buffer InputBufferU64 { uvec2 u64data[]; };
-layout(binding = BINDING_INPUT_BUFFER, std430) buffer InputBufferU128 { uvec4 u128data[]; };
-
-layout(binding = BINDING_OUTPUT_BUFFER, std430) writeonly buffer OutputBuffer {
-    uint out_u32[];
-};
-
-layout(local_size_x = 8, local_size_y = 8, local_size_z = 4) in;
-
-const uint GOB_SIZE_X = 64;
-const uint GOB_SIZE_Y = 8;
-
-const uint GOB_SIZE_X_SHIFT = 6;
-const uint GOB_SIZE_Y_SHIFT = 3;
-const uint GOB_SIZE_SHIFT = GOB_SIZE_X_SHIFT + GOB_SIZE_Y_SHIFT;
-
-const uvec2 SWIZZLE_MASK = uvec2(GOB_SIZE_X - 1u, GOB_SIZE_Y - 1u);
-
-uint SwizzleTable(uint pos) {
-    const uint t[8] = uint[](
-        0x12100200, 0x13110301, 0x16140604, 0x17150705,
-        0x1a180a08, 0x1b190b09, 0x1e1c0e0c, 0x1f1d0f0d
-    );
-    const uint i = pos >> 4;
-    const uint h = (t[i / 4] >> ((i % 4) * 8)) & 0xff;
-    return (h << 4) | (pos & 0xf);
-}
-
-uint SwizzleOffset(uvec2 pos) {
-    pos = pos & SWIZZLE_MASK;
-    return SwizzleTable(pos.y * 64u + pos.x);
-}
-
-uvec4 ReadTexel(uint offset) {
-    switch (pc.bytes_per_block_log2) {
-    case 2u:
-        return uvec4(u32data[offset / 4u], 0u, 0u, 0u);
-    case 3u:
-        return uvec4(u64data[offset / 8u], 0u, 0u);
-    case 4u:
-        return u128data[offset / 16u];
-    }
-    return uvec4(0u);
-}
-
-void main() {
-    uvec3 coord = gl_GlobalInvocationID;
-    if (coord.x >= pc.dim.x || coord.y >= pc.dim.y || coord.z >= pc.dim.z) {
-        return;
-    }
-
-    uvec3 pos = coord + pc.origin;
-    pos.x <<= pc.bytes_per_block_log2;
-
-    uint swizzle = SwizzleOffset(pos.xy);
-    uint block_y = pos.y >> GOB_SIZE_Y_SHIFT;
-
-    uint offset = 0u;
-    offset += (pos.z >> pc.block_depth) * pc.slice_size;
-    offset += (pos.z & pc.block_depth_mask) << (GOB_SIZE_SHIFT + pc.block_height);
-    offset += (block_y >> pc.block_height) * pc.block_size;
-    offset += (block_y & pc.block_height_mask) << GOB_SIZE_SHIFT;
-    offset += (pos.x >> GOB_SIZE_X_SHIFT) << pc.x_shift;
-    offset += swizzle;
-
-    uvec4 texel = ReadTexel(offset);
-
-    uint words = 1u << (pc.bytes_per_block_log2 - 2u);
-    uint linear_index = coord.x + coord.y * pc.dim.x + coord.z * pc.dim.x * pc.dim.y;
-    uint out_idx = linear_index * words;
-
-    out_u32[out_idx] = texel.x;
-    if (words > 1u) {
-        out_u32[out_idx + 1u] = texel.y;
-    }
-    if (words > 2u) {
-        out_u32[out_idx + 2u] = texel.z;
-        out_u32[out_idx + 3u] = texel.w;
-    }
-}

src/video_core/host_shaders/convert_non_msaa_to_msaa_depth.frag

@@ -1,19 +0,0 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
-#version 450 core
-
-layout(binding = 0) uniform sampler2D img_in;
-
-layout(push_constant) uniform PushConstants {
-    ivec2 dst_offset;
-    ivec2 src_offset;
-    ivec2 scale;
-};
-
-void main() {
-    const ivec2 msaa_coord = ivec2(gl_FragCoord.xy) - dst_offset;
-    const ivec2 sample_offset = ivec2(gl_SampleID % scale.x, gl_SampleID / scale.x);
-    const ivec2 coord = msaa_coord * scale + sample_offset + src_offset;
-    gl_FragDepth = texelFetch(img_in, coord, 0).r;
-}