[debug] debug knobs adjustments

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

- [x] I have read and followed the [Contribution Guidelines](https://git.eden-emu.dev/eden-emu/eden/src/branch/master/CONTRIBUTING.md#code-contributions).
- [x] I have read and followed the [AI Policy](https://git.eden-emu.dev/eden-emu/eden/src/branch/master/docs/policies/AI.md)
- [x] 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.

-------------------

issue was first reported here
https://github.com/eden-emulator/Issue-Reports/issues/607

tl;dr wrong boolean, now boxarts should work

Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/4275
Reviewed-by: Maufeat <sahyno1996@gmail.com>
Reviewed-by: MaranBr <maranbr@eden-emu.dev>

docs/Settings.md

@@ -43,6 +43,7 @@ This guide will walk you through adding a new boolean toggle setting to Eden's c
 Firstly add your desired toggle:
 
 Example: `src/common/setting.h`
+
 ```cpp
 SwitchableSetting<bool> your_setting_name{linkage, false, "your_setting_name", Category::RendererExtensions};
 ```
@@ -67,6 +68,7 @@ Common Categories:
 Add the toggle to the Qt UI, where you wish for it to appear and place it there.
 
 Example: `src/qt_common/config/shared_translation.cpp`
+
 ```cpp
 INSERT(Settings,
        your_setting_name,
@@ -91,6 +93,7 @@ INSERT(Settings,
 Add where it should be in the settings.
 
 Example: `src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/model/BooleanSetting.kt`
+
 ```kts
 RENDERER_YOUR_SETTING_NAME("your_setting_name"),
 ```
@@ -106,6 +109,7 @@ RENDERER_YOUR_SETTING_NAME("your_setting_name"),
 Add the toggle to the Kotlin (Android) UI
 
 Example: `src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/model/view/SettingsItem.kt`
+
 ```kts
 put(
     SwitchSetting(
@@ -123,6 +127,7 @@ put(
 Add your setting within the right category.
 
 Example: `src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/ui/SettingsFragmentPresenter.kt`
+
 ```kts
 add(BooleanSetting.RENDERER_YOUR_SETTING_NAME.key)
 ```
@@ -137,6 +142,7 @@ add(BooleanSetting.RENDERER_YOUR_SETTING_NAME.key)
 Add your setting and description in the appropriate place.
 
 Example: `src/android/app/src/main/res/values/strings.xml`
+
 ```xml
 <string name="your_setting_name">Your Setting Display Name</string>
 <string name="your_setting_name_description">Detailed description of what this setting does. Explain any caveats, requirements, or warnings here.</string>
@@ -150,6 +156,7 @@ Now the UI part is done find a place in the code for the toggle,
 And use it to your heart's desire!
 
 Example:
+
 ```cpp
 const bool your_value = Settings::values.your_setting_name.GetValue();
 
@@ -196,25 +203,31 @@ Common advantages recap:
 
 #### Accessing Debug Knobs (dev side)
 
-Use the `Settings::getDebugKnobAt(u8 i)` function to check if a specific bit is set:
+Use the `Settings::GetDebugKnobAt(u8 i)` function to check if a specific bit is set:
 
 ```cpp
 //cpp side
 #include "common/settings.h"
 
+//To use it as a general purpose uint var:
+unsigned int debug_knobs = Settings::values.debug_knobs.GetValue();
+
 // Check if bit 0 is set
-bool feature_enabled = Settings::getDebugKnobAt(0);
+bool feature_enabled = Settings::GetDebugKnobAt(0);
 
 // Check if bit 15 is set
-bool another_feature = Settings::getDebugKnobAt(15);
+bool another_feature = Settings::GetDebugKnobAt(15);
 ```
 
 ```kts
 //kotlin side
 import org.yuzu.yuzu_emu.features.settings.model.Settings
 
+//To use it as a general purpose uint var
+val debug_knobs: Int = UShortSetting.DEBUG_KNOBS.getInt()
+
 // Check if bit x is set
-bool feature_enabled = Settings.getDebugKnobAt(x); //x as integer from 0 to 15
+bool feature_enabled = Settings.GetDebugKnobAt(x); //x as integer from 0 to 15
 ```
 
 The function returns `true` if the specified bit (0-15) is set in the `debug_knobs` value, `false` otherwise.
@@ -247,6 +260,7 @@ There are two main confusions when talking about knobs:
 Sometimes when an user reports: knobs 1 and 2 gets better performance, dev may get confuse whether he means the knobs 1 and 2 literally, or the 1st and 2nd knobs (knobs 0 and 1).
 
 Debug knobs are **zero-based**, which means:
+
 * The first knob is the knob(0) (or knob0 henceforth), and the last one is the 15 (knob15, likewise)
 * You can talk: "knob0 is enabled/disabled", "In this video i was using only knobs 0 and 2", etc.
 
@@ -259,6 +273,7 @@ Whenever you're instructing tests or reporting results, be precise about whether
 
 ALWAYS use the word in PLURAL (knobs), without mentioning which one, to refer to the setting, aka multiple knobs at once:
 Examples:
+
 - **knobs=0**: no knobs enabled
 - **knobs=1**: knob0 enabled, others disabled
 - **knobs=2**: knob1 enabled, others disabled
@@ -270,6 +285,7 @@ Examples:
 
 Use the word in SINGULAR (knob), or in plural but referring which ones, when meaning multiple knobs at once:
 Examples:
+
 - **knob0**: knob 0 enabled, others disabled
 - **knob1**: knob 1 enabled, others disabled
 - **knobs 0 and 1**: knobs 0 and 1 enabled, others disabled
@@ -282,12 +298,12 @@ Examples:
 
 ```cpp
 void SomeFunction() {
-    if (Settings::getDebugKnobAt(0)) {
+    if (Settings::GetDebugKnobAt(0)) {
         LOG_DEBUG(Common, "Debug feature 0 is enabled");
         // Additional debug code here
     }
   
-    if (Settings::getDebugKnobAt(1)) {
+    if (Settings::GetDebugKnobAt(1)) {
         LOG_DEBUG(Common, "Debug feature 1 is enabled");
         // Different debug behavior
     }
@@ -299,7 +315,7 @@ void SomeFunction() {
 ```cpp
 bool UseOptimizedPath() {
     // Skip optimization if debug bit 2 is set for testing
-    return !Settings::getDebugKnobAt(2);
+    return !Settings::GetDebugKnobAt(2);
 }
 ```
 
@@ -309,7 +325,7 @@ bool UseOptimizedPath() {
 void ExperimentalFeature() {
     static constexpr u8 EXPERIMENTAL_FEATURE_BIT = 3;
   
-    if (!Settings::getDebugKnobAt(EXPERIMENTAL_FEATURE_BIT)) {
+    if (!Settings::GetDebugKnobAt(EXPERIMENTAL_FEATURE_BIT)) {
         // Fallback to stable implementation
         StableImplementation();
         return;

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

@@ -220,7 +220,7 @@ object NativeLibrary {
 
     external fun refreshThreadPolicies()
 
-    external fun getDebugKnobAt(index: Int): Boolean
+    external fun GetDebugKnobAt(index: Int): Boolean
 
     /**
      * Set the current speed limit to the configured turbo speed.

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"),

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

@@ -35,8 +35,8 @@ object Settings {
     fun getPlayerString(player: Int): String =
         YuzuApplication.appContext.getString(R.string.preferences_player, player)
 
-    fun getDebugKnobAt(index: Int): Boolean {
-        return org.yuzu.yuzu_emu.NativeLibrary.getDebugKnobAt(index)
+    fun GetDebugKnobAt(index: Int): Boolean {
+        return org.yuzu.yuzu_emu.NativeLibrary.GetDebugKnobAt(index)
     }
 
     const val PREF_FIRST_APP_LAUNCH = "FirstApplicationLaunch"

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

@@ -11,8 +11,7 @@ import org.yuzu.yuzu_emu.utils.NativeConfig
 enum class ShortSetting(override val key: String) : AbstractShortSetting {
     RENDERER_SPEED_LIMIT("speed_limit"),
     RENDERER_TURBO_SPEED_LIMIT("turbo_speed_limit"),
-    RENDERER_SLOW_SPEED_LIMIT("slow_speed_limit"),
-    DEBUG_KNOBS("debug_knobs")
+    RENDERER_SLOW_SPEED_LIMIT("slow_speed_limit")
     ;
 
     override fun getShort(needsGlobal: Boolean): Short = NativeConfig.getShort(key, needsGlobal)

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

@@ -0,0 +1,30 @@
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+// SPDX-FileCopyrightText: 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+package org.yuzu.yuzu_emu.features.settings.model
+
+import org.yuzu.yuzu_emu.utils.NativeConfig
+
+enum class UShortSetting(override val key: String) : AbstractIntSetting {
+    DEBUG_KNOBS("debug_knobs")
+    ;
+
+    override fun getInt(needsGlobal: Boolean): Int =
+        NativeConfig.getUnsignedShort(key, needsGlobal)
+
+    override fun setInt(value: Int) {
+        if (NativeConfig.isPerGameConfigLoaded()) {
+            global = false
+        }
+        NativeConfig.setUnsignedShort(key, value)
+    }
+
+    override val defaultValue: Int by lazy { NativeConfig.getDefaultToString(key).toInt() }
+
+    override fun getValueAsString(needsGlobal: Boolean): String = getInt(needsGlobal).toString()
+
+    override fun reset() = NativeConfig.setUnsignedShort(key, defaultValue)
+}

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

@@ -20,6 +20,7 @@ import org.yuzu.yuzu_emu.features.settings.model.IntSetting
 import org.yuzu.yuzu_emu.features.settings.model.LongSetting
 import org.yuzu.yuzu_emu.features.settings.model.ShortSetting
 import org.yuzu.yuzu_emu.features.settings.model.StringSetting
+import org.yuzu.yuzu_emu.features.settings.model.UShortSetting
 import org.yuzu.yuzu_emu.network.NetDataValidators
 import org.yuzu.yuzu_emu.utils.LosslessScalingHelper
 import org.yuzu.yuzu_emu.utils.NativeConfig
@@ -789,13 +790,6 @@ 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,
@@ -1041,7 +1035,7 @@ abstract class SettingsItem(
             )
             put(
                 SpinBoxSetting(
-                    ShortSetting.DEBUG_KNOBS,
+                    UShortSetting.DEBUG_KNOBS,
                     titleId = R.string.debug_knobs,
                     descriptionId = R.string.debug_knobs_description,
                     valueHint = R.string.debug_knobs_hint,

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

@@ -25,6 +25,7 @@ import org.yuzu.yuzu_emu.features.settings.model.Settings
 import org.yuzu.yuzu_emu.features.settings.model.Settings.MenuTag
 import org.yuzu.yuzu_emu.features.settings.model.ShortSetting
 import org.yuzu.yuzu_emu.features.settings.model.StringSetting
+import org.yuzu.yuzu_emu.features.settings.model.UShortSetting
 import org.yuzu.yuzu_emu.features.settings.model.view.*
 import org.yuzu.yuzu_emu.utils.InputHandler
 import org.yuzu.yuzu_emu.utils.LosslessScalingHelper
@@ -344,7 +345,6 @@ class SettingsFragmentPresenter(
             add(BooleanSetting.FIX_BLOOM_EFFECTS.key)
             add(BooleanSetting.EMULATE_BGR565.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)
@@ -1327,7 +1327,7 @@ class SettingsFragmentPresenter(
 
             add(HeaderSetting(R.string.general))
 
-            add(ShortSetting.DEBUG_KNOBS.key)
+            add(UShortSetting.DEBUG_KNOBS.key)
             add(StringSetting.PROGRAM_ARGS.key)
 
             if (!NativeConfig.isPerGameConfigLoaded()) {

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

@@ -80,6 +80,12 @@ object NativeConfig {
     @Synchronized
     external fun setShort(key: String, value: Short)
 
+    @Synchronized
+    external fun getUnsignedShort(key: String, needsGlobal: Boolean): Int
+
+    @Synchronized
+    external fun setUnsignedShort(key: String, value: Int)
+
     @Synchronized
     external fun getInt(key: String, needsGlobal: Boolean): Int
 

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

@@ -1245,8 +1245,8 @@ void Java_org_yuzu_yuzu_1emu_NativeLibrary_refreshThreadPolicies(JNIEnv* env, jo
     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)));
+jboolean Java_org_yuzu_yuzu_1emu_NativeLibrary_GetDebugKnobAt(JNIEnv* env, jobject jobj, jint index) {
+    return static_cast<jboolean>(Settings::GetDebugKnobAt(static_cast<u8>(index)));
 }
 
 void Java_org_yuzu_yuzu_1emu_NativeLibrary_setTurboSpeedLimit(JNIEnv *env, jobject jobj, jboolean enabled) {

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

@@ -130,6 +130,25 @@ void Java_org_yuzu_yuzu_1emu_utils_NativeConfig_setShort(JNIEnv* env, jobject ob
     setting->SetValue(value);
 }
 
+jint Java_org_yuzu_yuzu_1emu_utils_NativeConfig_getUnsignedShort(JNIEnv* env, jobject obj,
+                                                                 jstring jkey,
+                                                                 jboolean needGlobal) {
+    auto setting = getSetting<u16>(env, jkey);
+    if (setting == nullptr) {
+        return -1;
+    }
+    return static_cast<jint>(setting->GetValue(static_cast<bool>(needGlobal)));
+}
+
+void Java_org_yuzu_yuzu_1emu_utils_NativeConfig_setUnsignedShort(JNIEnv* env, jobject obj,
+                                                                  jstring jkey, jint value) {
+    auto setting = getSetting<u16>(env, jkey);
+    if (setting == nullptr) {
+        return;
+    }
+    setting->SetValue(static_cast<u16>(value));
+}
+
 jint Java_org_yuzu_yuzu_1emu_utils_NativeConfig_getInt(JNIEnv* env, jobject obj, jstring jkey,
                                                        jboolean needGlobal) {
     auto setting = getSetting<int>(env, jkey);

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

@@ -585,8 +585,6 @@
     <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</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>

src/audio_core/sink/sdl3_sink.cpp

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

src/common/heap_tracker.cpp

@@ -4,17 +4,34 @@
 // SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
+#include <fstream>
 #include "common/heap_tracker.h"
 #include "common/logging.h"
-#include "common/memory_detect.h"
 #include "common/assert.h"
 
 namespace Common {
 
+namespace {
+
+s64 GetMaxPermissibleResidentMapCount() {
+    // Default value.
+    s64 value = 65530;
+
+    // Try to read how many mappings we can make.
+    std::ifstream s("/proc/sys/vm/max_map_count");
+    s >> value;
+
+    // Print, for debug.
+    LOG_INFO(HW_Memory, "Current maximum map count: {}", value);
+
+    // Allow 20000 maps for other code and to account for split inaccuracy.
+    return std::max<s64>(value - 20000, 0);
+}
+
+} // namespace
+
 HeapTracker::HeapTracker(Common::HostMemory& buffer)
-    : m_buffer(buffer),
-      m_has_hardware_buffer_backing(!buffer.BackingHardwareBuffers().empty()),
-      m_max_resident_map_count(static_cast<s64>(GetPermissibleMapCount())) {}
+    : m_buffer(buffer), m_max_resident_map_count(GetMaxPermissibleResidentMapCount()) {}
 HeapTracker::~HeapTracker() = default;
 
 void HeapTracker::Map(size_t virtual_offset, size_t host_offset, size_t length,
@@ -68,8 +85,7 @@ void HeapTracker::Unmap(size_t virtual_offset, size_t size, bool is_separate_hea
 
             // If resident, erase from resident map.
             if (item->is_resident) {
-                m_resident_map_count -= this->HostMapCount(item->paddr, item->size);
-                ASSERT(m_resident_map_count >= 0);
+                ASSERT(--m_resident_map_count >= 0);
                 m_resident_mappings.erase(m_resident_mappings.iterator_to(*item));
             }
 
@@ -175,7 +191,7 @@ bool HeapTracker::DeferredMapSeparateHeap(size_t virtual_offset) {
 
         // This map is now resident.
         it->is_resident = true;
-        m_resident_map_count += this->HostMapCount(it->paddr, it->size);
+        m_resident_map_count++;
         m_resident_mappings.insert(*it);
     }
 
@@ -197,17 +213,17 @@ void HeapTracker::RebuildSeparateHeapAddressSpace() {
     // Despite being worse in theory, this has proven to be better in practice than more
     // regularly dumping a smaller amount, because it significantly reduces average case
     // lock contention.
-    s64 const desired_count = (std::min)(m_resident_map_count, m_max_resident_map_count) / 2;
+    std::size_t const desired_count = (std::min)(m_resident_map_count, m_max_resident_map_count) / 2;
+    std::size_t const evict_count = m_resident_map_count - desired_count;
     auto it = m_resident_mappings.begin();
 
-    while (m_resident_map_count > desired_count && it != m_resident_mappings.end()) {
+    for (size_t i = 0; i < evict_count && it != m_resident_mappings.end(); i++) {
         // Unmark and unmap.
         it->is_resident = false;
         m_buffer.Unmap(it->vaddr, it->size, false);
 
         // Advance.
-        m_resident_map_count -= this->HostMapCount(it->paddr, it->size);
-        ASSERT(m_resident_map_count >= 0);
+        ASSERT(--m_resident_map_count >= 0);
         it = m_resident_mappings.erase(it);
     }
 }
@@ -229,7 +245,6 @@ void HeapTracker::SplitHeapMapLocked(VAddr offset) {
     // Cache the original values.
     auto* const left = std::addressof(*it);
     const size_t orig_size = left->size;
-    const s64 orig_host_map_count = this->HostMapCount(left->paddr, orig_size);
 
     // Adjust the left map.
     const size_t left_size = offset - left->vaddr;
@@ -251,20 +266,11 @@ void HeapTracker::SplitHeapMapLocked(VAddr offset) {
 
     // If resident, also insert into resident map.
     if (right->is_resident) {
-        m_resident_map_count += this->HostMapCount(left->paddr, left->size) +
-                                this->HostMapCount(right->paddr, right->size) -
-                                orig_host_map_count;
+        m_resident_map_count++;
         m_resident_mappings.insert(*right);
     }
 }
 
-s64 HeapTracker::HostMapCount(PAddr paddr, size_t size) const {
-    if (!m_has_hardware_buffer_backing) {
-        return size != 0 ? 1 : 0;
-    }
-    return static_cast<s64>(m_buffer.BackingMapCount(paddr, size));
-}
-
 HeapTracker::AddrTree::iterator HeapTracker::GetNearestHeapMapLocked(VAddr offset) {
     const SeparateHeapMap key{
         .vaddr = offset,

src/common/heap_tracker.h

@@ -1,6 +1,3 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -85,13 +82,10 @@ private:
 
     AddrTree::iterator GetNearestHeapMapLocked(VAddr offset);
 
-    s64 HostMapCount(PAddr paddr, size_t size) const;
-
     void RebuildSeparateHeapAddressSpace();
 
 private:
     Common::HostMemory& m_buffer;
-    const bool m_has_hardware_buffer_backing;
     const s64 m_max_resident_map_count;
 
     std::shared_mutex m_rebuild_lock{};

src/common/host_memory.cpp

@@ -51,65 +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 <cerrno>
-#include <dlfcn.h>
-#include <sys/ioctl.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"));
-}
-
-struct DmaBufSync {
-    u64 flags;
-};
-
-constexpr u64 DmaBufSyncRead = 1ULL << 0;
-constexpr u64 DmaBufSyncWrite = 1ULL << 1;
-constexpr u64 DmaBufSyncStart = 0ULL << 2;
-constexpr u64 DmaBufSyncEnd = 1ULL << 2;
-
-void SyncDmaBufCpuAccess(int fd, u64 phase) {
-    DmaBufSync sync{.flags = phase | DmaBufSyncRead | DmaBufSyncWrite};
-    while (ioctl(fd, _IOW('b', 0, DmaBufSync), &sync) != 0) {
-        if (errno != EINTR) {
-            return;
-        }
-    }
-}
-
-} // namespace
-#endif
 
 #if defined(__ANDROID__) && __ANDROID_API__ < 30
 #include <sys/syscall.h>
@@ -126,12 +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
@@ -180,7 +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()}
@@ -286,10 +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
 
@@ -562,10 +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() {
@@ -605,15 +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) {
@@ -621,10 +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));
@@ -637,244 +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) {
-            return false;
-        }
-        const NativeHandle* const handle = get_native_handle(buffer);
-        if (handle == nullptr || handle->numFds < 1) {
-            AHardwareBuffer_release(buffer);
-            return false;
-        }
-        const int probe_fd = handle->data[0];
-        bool ok = true;
-        const auto try_map = [&](int prot, off_t offset) {
-            if (!ok) {
-                return;
-            }
-            void* const ptr = mmap(nullptr, PageAlignment, prot, MAP_SHARED, probe_fd, offset);
-            if (ptr == MAP_FAILED) {
-                ok = false;
-                return;
-            }
-            munmap(ptr, PageAlignment);
-        };
-        try_map(PROT_READ | PROT_WRITE, 0);
-        try_map(PROT_READ | PROT_WRITE, static_cast<off_t>(PageAlignment));
-#ifdef ARCHITECTURE_arm64
-        try_map(PROT_READ | PROT_EXEC, 0);
-#endif
-        AHardwareBuffer_release(buffer);
-        return ok;
-    }
-
-    size_t ComputeAhbBudget(size_t window_size) const {
-        const u64 total_physical = Common::GetMemInfo().TotalPhysicalMemory;
-        constexpr u64 BaselineFootprint = 6ULL << 30;
-        if (total_physical <= BaselineFootprint) {
-            return 0;
-        }
-        const u64 permissible_maps = Common::GetPermissibleMapCount();
-        if (permissible_maps == 0) {
-            return 0;
-        }
-        u64 budget = (total_physical - BaselineFootprint) / 2;
-        constexpr u64 MapSlotsPerWindow = 64;
-        const u64 affordable_windows = permissible_maps / MapSlotsPerWindow;
-        budget = (std::min)(budget, affordable_windows * window_size);
-        const u64 available = Common::GetAvailablePhysicalMemory();
-        if (available != 0) {
-            budget = (std::min)(budget, available / 2);
-        }
-        budget = (std::min)(budget, static_cast<u64>(backing_size));
-        budget = Common::AlignDown(budget, window_size);
-        constexpr u64 MinimumBudget = 256ULL << 20;
-        if (budget < MinimumBudget) {
-            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) {
-            return false;
-        }
-        constexpr size_t window_size = 256ULL << 20;
-        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 max_windows = (std::min)(budget, aligned_backing) / 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 < max_windows; ++i) {
-            const AHardwareBuffer_Desc desc = MakeBlobDesc(window_size);
-            AHardwareBuffer* buffer{};
-            if (AHardwareBuffer_allocate(&desc, &buffer) != 0 || buffer == nullptr) {
-                break;
-            }
-            const NativeHandle* const handle = get_native_handle(buffer);
-            if (handle == nullptr || handle->numFds < 1) {
-                AHardwareBuffer_release(buffer);
-                break;
-            }
-            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)) {
-                AHardwareBuffer_release(buffer);
-                break;
-            }
-            buffers.push_back(buffer);
-            buffer_fds.push_back(buffer_fd);
-        }
-        const size_t num_windows = buffers.size();
-        if (num_windows == 0) {
-            return false;
-        }
-        const size_t region_size = num_windows * window_size;
-        const size_t region_base = Common::AlignDown(
-            (std::min)(preferred_offset, aligned_backing - region_size), window_size);
-        u8* const base = static_cast<u8*>(mmap(nullptr, backing_size, PROT_NONE,
-                                               MAP_PRIVATE | MAP_ANONYMOUS | MAP_NORESERVE, -1, 0));
-        if (base == MAP_FAILED) {
-            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) {
-                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);
-        for (const int window_fd : ahb_fds) {
-            SyncDmaBufCpuAccess(window_fd, DmaBufSyncStart);
-        }
-        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;
-        }
-    }
-
-    size_t BackingMapCount(size_t host_offset, size_t length) const noexcept {
-        if (length == 0) {
-            return 0;
-        }
-        if (ahb_bytes == 0) {
-            return 1;
-        }
-        size_t count = 0;
-        while (length > 0) {
-            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 local = (host_offset - ahb_base) % ahb_window_size;
-                chunk = (std::min)(chunk, ahb_window_size - local);
-            }
-            host_offset += chunk;
-            length -= chunk;
-            ++count;
-        }
-        return count;
-    }
-
-    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();
     }
@@ -895,12 +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);
@@ -946,18 +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)};
@@ -980,21 +656,6 @@ private:
             int ret = close(fd);
             ASSERT_MSG(ret == 0, "close failed: {}", strerror(errno));
         }
-
-#ifdef __ANDROID__
-        for (const int window_fd : ahb_fds) {
-            SyncDmaBufCpuAccess(window_fd, DmaBufSyncEnd);
-        }
-        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) {
@@ -1020,19 +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_)
 {
@@ -1044,7 +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;
@@ -1114,46 +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::BackingMapCount(size_t host_offset, size_t length) const noexcept {
-#ifdef __ANDROID__
-    return impl ? impl->BackingMapCount(host_offset, length) : (length != 0 ? 1 : 0);
-#else
-    return length != 0 ? 1 : 0;
-#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();
 
     /**
@@ -67,20 +62,6 @@ public:
         return backing_base;
     }
 
-    [[nodiscard]] size_t BackingSize() const noexcept {
-        return backing_size;
-    }
-
-    [[nodiscard]] size_t BackingMapCount(size_t host_offset, size_t length) const noexcept;
-
-    [[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/logging.cpp

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

src/common/memory_detect.cpp

@@ -1,6 +1,3 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -20,10 +17,6 @@
 #endif
 #endif
 
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-
 #include "common/memory_detect.h"
 
 namespace Common {
@@ -76,61 +69,4 @@ const MemoryInfo& GetMemInfo() {
     return mem_info;
 }
 
-u64 GetPermissibleMapCount() {
-    constexpr u64 DefaultMapCount = 65530;
-    constexpr u64 ReservedMaps = 20000;
-    u64 count = DefaultMapCount;
-#ifdef __linux__
-    if (std::FILE* const file = std::fopen("/proc/sys/vm/max_map_count", "re")) {
-        char line[32];
-        if (std::fgets(line, sizeof(line), file) != nullptr) {
-            const u64 parsed = std::strtoull(line, nullptr, 10);
-            if (parsed != 0) {
-                count = parsed;
-            }
-        }
-        std::fclose(file);
-    }
-#endif
-    if (count <= ReservedMaps) {
-        return 0;
-    }
-    return count - ReservedMaps;
-}
-
-u64 GetAvailablePhysicalMemory() {
-#ifdef _WIN32
-    MEMORYSTATUSEX memorystatus;
-    memorystatus.dwLength = sizeof(memorystatus);
-    if (GlobalMemoryStatusEx(&memorystatus) == 0) {
-        return 0;
-    }
-    return memorystatus.ullAvailPhys;
-#elif defined(__linux__)
-    static constexpr char AvailableKey[] = "MemAvailable:";
-    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, AvailableKey, sizeof(AvailableKey) - 1) != 0) {
-                continue;
-            }
-            available = std::strtoull(line + sizeof(AvailableKey) - 1, nullptr, 10) * 1024;
-            break;
-        }
-        std::fclose(file);
-        if (available != 0) {
-            return available;
-        }
-    }
-    struct sysinfo meminfo;
-    if (sysinfo(&meminfo) != 0) {
-        return 0;
-    }
-    return static_cast<u64>(meminfo.freeram) * static_cast<u64>(meminfo.mem_unit);
-#else
-    return 0;
-#endif
-}
-
 } // namespace Common

src/common/memory_detect.h

@@ -1,6 +1,3 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -21,8 +18,4 @@ struct MemoryInfo {
  */
 [[nodiscard]] const MemoryInfo& GetMemInfo();
 
-[[nodiscard]] u64 GetPermissibleMapCount();
-
-[[nodiscard]] u64 GetAvailablePhysicalMemory();
-
 } // namespace Common

src/common/settings.cpp

@@ -132,11 +132,9 @@ void LogSettings() {
             }
         }
     }
-
-    std::string settings_str{};
+    LOG_INFO(Config, "Eden Configuration:");
     for (auto const& e : settings_list)
-        settings_str += e;
-    LOG_INFO(Config, "Eden Configuration:\n{}", settings_str);
+        LOG_INFO(Config, "{}", e);
 #define LOG_PATH(NAME) \
     LOG_INFO(Config, #NAME ": {}", Common::FS::PathToUTF8String(Common::FS::GetEdenPath(Common::FS::EdenPath::NAME)))
     LOG_PATH(CacheDir);
@@ -148,7 +146,7 @@ void LogSettings() {
 #undef LOG_PATH
 }
 
-bool getDebugKnobAt(u8 i) {
+bool GetDebugKnobAt(u8 i) {
     return (values.debug_knobs.GetValue() & (1 << (i & 0xF))) != 0;
 }
 

src/common/settings.h

@@ -645,9 +645,6 @@ 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",
@@ -907,7 +904,7 @@ struct Values {
                                            0,
                                            65535,
                                            "debug_knobs",
-                                           Category::Debugging,
+                                           Category::System,
                                            Specialization::Countable,
                                            true,
                                            true};

src/common/stb.cpp

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

src/common/stb.h

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

src/core/core.cpp

@@ -119,7 +119,6 @@ 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(); });
@@ -147,8 +146,7 @@ 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;
@@ -159,7 +157,6 @@ 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/device_memory.cpp

@@ -1,6 +1,3 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -15,18 +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;
@@ -201,11 +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 {

src/core/device_memory_manager.inc

@@ -171,11 +171,6 @@ 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)

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

@@ -324,6 +324,7 @@ Result IApplicationFunctions::NotifyRunning(Out<bool> out_became_running) {
 
 Result IApplicationFunctions::GetPseudoDeviceId(Out<Common::UUID> out_pseudo_device_id) {
     LOG_WARNING(Service_AM, "(stubbed)");
+    R_UNLESS(out_pseudo_device_id, ResultUnknown);
 
     // This should be hashed with the device specific hash
     // for now this will do

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

@@ -9,11 +9,7 @@
 #include <optional>
 #include <string>
 
-#define STBI_ONLY_JPEG 1
-#include <stb_image.h>
-#include <stb_image_resize.h>
-#include <stb_image_write.h>
-
+#include "common/stb.h"
 #include "common/settings.h"
 #include "core/file_sys/control_metadata.h"
 #include "core/file_sys/patch_manager.h"

src/dynarmic/src/dynarmic/backend/exception_handler_posix.cpp

@@ -22,6 +22,7 @@
 #include <sys/mman.h>
 
 #include "common/assert.h"
+#include "common/logging.h"
 #include "common/common_types.h"
 #include "dynarmic/backend/exception_handler.h"
 #include "dynarmic/common/context.h"
@@ -53,23 +54,21 @@ class SigHandler {
             return e.first <= offset && e.first + e.second.size > offset;
         });
     }
-    static void SigAction(int sig, siginfo_t* info, void* raw_context);
 
-    bool supports_fast_mem = true;
-    void* signal_stack_memory = nullptr;
     ankerl::unordered_dense::map<u64, CodeBlockInfo> code_block_infos;
     std::shared_mutex code_block_infos_mutex;
     struct sigaction old_sa_segv;
     struct sigaction old_sa_bus;
-    std::size_t signal_stack_size;
+    std::unique_ptr<uint8_t[]> signal_stack_memory;
+    bool supports_fast_mem = true;
 public:
     SigHandler() noexcept {
-        signal_stack_size = std::max<size_t>(SIGSTKSZ, 2 * 1024 * 1024);
-        signal_stack_memory = mmap(nullptr, signal_stack_size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
+        auto const stack_size = std::max<size_t>(SIGSTKSZ, 2 * 1024 * 1024);
+        signal_stack_memory = std::make_unique<uint8_t[]>(stack_size);
 
         stack_t signal_stack{};
-        signal_stack.ss_sp = signal_stack_memory;
-        signal_stack.ss_size = signal_stack_size;
+        signal_stack.ss_sp = signal_stack_memory.get();
+        signal_stack.ss_size = stack_size;
         signal_stack.ss_flags = 0;
         if (sigaltstack(&signal_stack, nullptr) != 0) {
             fmt::print(stderr, "dynarmic: POSIX SigHandler: init failure at sigaltstack\n");
@@ -87,7 +86,7 @@ public:
             supports_fast_mem = false;
             return;
         }
-#ifdef __APPLE__
+#if defined(__APPLE__)
         if (sigaction(SIGBUS, &sa, &old_sa_bus) != 0) {
             fmt::print(stderr, "dynarmic: POSIX SigHandler: could not set SIGBUS handler\n");
             supports_fast_mem = false;
@@ -96,10 +95,6 @@ public:
 #endif
     }
 
-    ~SigHandler() noexcept {
-        munmap(signal_stack_memory, signal_stack_size);
-    }
-
     void AddCodeBlock(u64 offset, CodeBlockInfo cbi) noexcept {
         std::unique_lock guard(code_block_infos_mutex);
         code_block_infos.insert_or_assign(offset, cbi);
@@ -109,14 +104,17 @@ public:
         code_block_infos.erase(offset);
     }
 
-    bool SupportsFastmem() const noexcept { return supports_fast_mem; }
+    [[nodiscard]] inline bool SupportsFastmem() const noexcept {
+        return supports_fast_mem;
+    }
+
+    static void RegisterHandler();
+    static void SigAction(int sig, siginfo_t* info, void* raw_context);
 };
 
-std::mutex handler_lock;
 std::optional<SigHandler> sig_handler;
 
-void RegisterHandler() {
-    std::lock_guard<std::mutex> guard(handler_lock);
+void SigHandler::RegisterHandler() {
     if (!sig_handler) {
         sig_handler.emplace();
     }
@@ -125,51 +123,27 @@ void RegisterHandler() {
 void SigHandler::SigAction(int sig, siginfo_t* info, void* raw_context) {
     DEBUG_ASSERT(sig == SIGSEGV || sig == SIGBUS);
     CTX_DECLARE(raw_context);
-#if defined(ARCHITECTURE_x86_64)
     {
         std::shared_lock guard(sig_handler->code_block_infos_mutex);
         if (auto const iter = sig_handler->FindCodeBlockInfo(CTX_PC); iter != sig_handler->code_block_infos.end()) {
             FakeCall fc = iter->second.cb(CTX_PC);
+#if defined(ARCHITECTURE_x86_64)
             CTX_SP -= sizeof(u64);
             *std::bit_cast<u64*>(CTX_SP) = fc.ret_rip;
             CTX_PC = fc.call_rip;
-            return;
-        }
-    }
-    fmt::print(stderr, "Unhandled {} at rip {:#018x}\n", sig == SIGSEGV ? "SIGSEGV" : "SIGBUS", CTX_PC);
 #elif defined(ARCHITECTURE_arm64)
-    {
-        std::shared_lock guard(sig_handler->code_block_infos_mutex);
-        if (const auto iter = sig_handler->FindCodeBlockInfo(CTX_PC); iter != sig_handler->code_block_infos.end()) {
-            FakeCall fc = iter->second.cb(CTX_PC);
             CTX_PC = fc.call_pc;
-            return;
-        }
-    }
-    fmt::print(stderr, "Unhandled {} at pc {:#018x}\n", sig == SIGSEGV ? "SIGSEGV" : "SIGBUS", CTX_PC);
 #elif defined(ARCHITECTURE_riscv64)
-    {
-        std::shared_lock guard(sig_handler->code_block_infos_mutex);
-        if (const auto iter = sig_handler->FindCodeBlockInfo(CTX_SEPC); iter != sig_handler->code_block_infos.end()) {
-            FakeCall fc = iter->second.cb(CTX_SEPC);
-            CTX_SEPC = fc.call_sepc;
-            return;
-        }
-    }
-    fmt::print(stderr, "Unhandled {} at pc {:#018x}\n", sig == SIGSEGV ? "SIGSEGV" : "SIGBUS", CTX_SEPC);
+            CTX_PC = fc.call_sepc;
 #elif defined(ARCHITECTURE_loongarch64)
-    {
-        std::shared_lock guard(sig_handler->code_block_infos_mutex);
-        if (const auto iter = sig_handler->FindCodeBlockInfo(CTX_PC); iter != sig_handler->code_block_infos.end()) {
-            FakeCall fc = iter->second.cb(CTX_PC);
             CTX_PC = fc.call_pc;
+#else
+            ASSERT(false);
+#endif
             return;
         }
     }
-    fmt::print(stderr, "Unhandled {} at pc {:#018x}\n", sig == SIGSEGV ? "SIGSEGV" : "SIGBUS", CTX_PC);
-#else
-#    error "Invalid architecture"
-#endif
+    LOG_ERROR(Core, "Unhandled {} at {:#018x}\n", sig == SIGSEGV ? "SIGSEGV" : "SIGBUS", CTX_PC);
 
     struct sigaction* retry_sa = sig == SIGSEGV ? &sig_handler->old_sa_segv : &sig_handler->old_sa_bus;
     if (retry_sa->sa_flags & SA_SIGINFO) {
@@ -190,9 +164,10 @@ void SigHandler::SigAction(int sig, siginfo_t* info, void* raw_context) {
 
 struct ExceptionHandler::Impl final {
     Impl(u64 offset_, u64 size_)
-            : offset(offset_)
-            , size(size_) {
-        RegisterHandler();
+        : offset(offset_)
+        , size(size_)
+    {
+        SigHandler::RegisterHandler();
     }
 
     void SetCallback(std::function<FakeCall(u64)> cb) {

src/dynarmic/src/dynarmic/backend/loongarch64/emit_loongarch64.cpp

@@ -1,6 +1,7 @@
 // SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
+#include <variant>
 #include "dynarmic/backend/loongarch64/emit_loongarch64.h"
 
 #include "dynarmic/backend/loongarch64/a32_jitstate.h"
@@ -95,7 +96,8 @@ EmittedBlockInfo EmitLoongArch64(lagoon_assembler_t& as, IR::Block block, const
 
     // TODO: Emit Terminal
     const auto term = block.GetTerminal();
-    const IR::Term::LinkBlock* link_block_term = boost::get<IR::Term::LinkBlock>(&term);
+    const IR::Term::LeafTerminal* leaft_term = std::get_if<IR::Term::LeafTerminal>(&term);
+    const IR::Term::LinkBlock* link_block_term = std::get_if<IR::Term::LinkBlock>(leaft_term);
     ASSERT(link_block_term);
     la_load_immediate64(&as, Xscratch0, link_block_term->next.Value());
     la_st_w(&as, Xscratch0, Xstate, static_cast<int32_t>(offsetof(A32JitState, regs) + sizeof(u32) * 15));

src/dynarmic/src/dynarmic/common/context.h

@@ -136,14 +136,14 @@
 #    endif
 #elif defined(ARCHITECTURE_riscv64)
 #   if defined(__FreeBSD__)
-#       define CTX_SEPC (mctx.mc_gpregs.gp_sepc)
+#       define CTX_PC (mctx.mc_gpregs.gp_sepc)
 #       define CTX_SP (mctx.mc_gpregs.gp_sp)
 #   elif defined(__linux__)
-#       define CTX_SEPC (mctx.__gregs[REG_PC])
+#       define CTX_PC (mctx.__gregs[REG_PC])
 #       define CTX_SP (mctx.__gregs[REG_SP])
 #   elif defined(__OpenBSD__)
 // https://github.com/openbsd/src/blob/master/sys/arch/riscv64/include/signal.h
-#        define CTX_SEPC (ucontext->sc_sepc)
+#        define CTX_PC (ucontext->sc_sepc)
 #        define CTX_SP (ucontext->sc_sp)
 #    else
 #        error "unknown platform"

src/qt_common/config/shared_translation.cpp

@@ -227,8 +227,6 @@ 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"),
-           tr("Lets the GPU write buffer readbacks directly into guest memory."));
     INSERT(Settings, gpu_clock, tr("GPU Clocks"),
            tr("Makes the game believe GPU work finishes faster than it does, so it stops lowering "
               "resolution and render distance to fit the Switch's clocks."));

src/qt_common/discord/discord_impl.cpp

@@ -74,8 +74,8 @@ static constexpr char DEFAULT_DISCORD_IMAGE[] =
     "https://git.eden-emu.dev/eden-emu/eden/raw/branch/master/dist/qt_themes/default/icons/256x256/"
     "eden.png";
 
-void DiscordImpl::UpdateGameStatus(bool use_default) {
-    const std::string url = use_default ? std::string{DEFAULT_DISCORD_IMAGE} : game_url;
+void DiscordImpl::UpdateGameStatus(std::string_view game_url, bool has_boxart) {
+    const std::string url = std::string{has_boxart ? game_url : DEFAULT_DISCORD_IMAGE};
     s64 start_time = std::chrono::duration_cast<std::chrono::seconds>(
                          std::chrono::system_clock::now().time_since_epoch())
                          .count();
@@ -98,7 +98,7 @@ void DiscordImpl::Update() {
 
         // Used to format Icon URL for yuzu website game compatibility page
         std::string icon_name = GetGameString(game_title);
-        game_url = fmt::format(
+        auto const game_url = fmt::format(
             "https://raw.githubusercontent.com/eden-emulator/boxart/refs/heads/master/img/{}.png",
             icon_name);
 
@@ -117,7 +117,7 @@ void DiscordImpl::Update() {
         };
 
         auto res = client.send(request);
-        UpdateGameStatus(res && res->status == 200);
+        UpdateGameStatus(game_url, res && res->status == 200);
 
         return;
     }

src/qt_common/discord/discord_impl.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: 2018 Citra Emulator Project
@@ -26,11 +26,9 @@ public:
 
 private:
     std::string GetGameString(const std::string& title);
-    void UpdateGameStatus(bool use_default);
+    void UpdateGameStatus(std::string_view game_url, bool use_default);
 
-    std::string game_url{};
     std::string game_title{};
-
     Core::System& system;
 };
 

src/shader_recompiler/backend/glasm/emit_glasm_instructions.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 2021 yuzu Emulator Project
@@ -665,6 +665,8 @@ 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

@@ -1,3 +1,6 @@
+// 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
 
@@ -97,6 +100,24 @@ 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 2025 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
@@ -743,6 +743,10 @@ 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

@@ -1,3 +1,6 @@
+// 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
 
@@ -200,6 +203,18 @@ 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

@@ -322,6 +322,11 @@ 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);
@@ -443,6 +448,12 @@ 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_atomic.cpp

@@ -13,7 +13,6 @@
 namespace Shader::Backend::SPIRV {
 namespace {
 Id SharedPointer(EmitContext& ctx, Id offset, u32 index_offset = 0) {
-    offset = ctx.BoundSharedOffset(offset, 4 + index_offset * 4);
     const Id shift_id{ctx.Const(2U)};
     Id index{ctx.OpShiftRightArithmetic(ctx.U32[1], offset, shift_id)};
     if (index_offset > 0) {
@@ -161,8 +160,7 @@ Id EmitSharedAtomicExchange32(EmitContext& ctx, Id offset, Id value) {
 Id EmitSharedAtomicExchange64(EmitContext& ctx, Id offset, Id value) {
     if (ctx.profile.support_shared_int64_atomics && ctx.uses_explicit_workgroup_layout) {
         const Id shift_id{ctx.Const(3U)};
-        const Id index{
-            ctx.OpShiftRightArithmetic(ctx.U32[1], ctx.BoundSharedOffset(offset, 8), shift_id)};
+        const Id index{ctx.OpShiftRightArithmetic(ctx.U32[1], offset, shift_id)};
         const Id pointer{
             ctx.OpAccessChain(ctx.shared_u64, ctx.shared_memory_u64, ctx.u32_zero_value, index)};
         const auto [scope, semantics]{AtomicArgs(ctx)};

src/shader_recompiler/backend/spirv/emit_spirv_instructions.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 2021 yuzu Emulator Project
@@ -622,6 +622,8 @@ 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_shared_memory.cpp

@@ -31,7 +31,6 @@ std::pair<Id, Id> ExtractArgs(EmitContext& ctx, Id offset, u32 mask, u32 count)
 } // Anonymous namespace
 
 Id EmitLoadSharedU8(EmitContext& ctx, Id offset) {
-    offset = ctx.BoundSharedOffset(offset, 1);
     if (ctx.uses_explicit_workgroup_layout) {
         const Id pointer{
             ctx.OpAccessChain(ctx.shared_u8, ctx.shared_memory_u8, ctx.u32_zero_value, offset)};
@@ -43,7 +42,6 @@ Id EmitLoadSharedU8(EmitContext& ctx, Id offset) {
 }
 
 Id EmitLoadSharedS8(EmitContext& ctx, Id offset) {
-    offset = ctx.BoundSharedOffset(offset, 1);
     if (ctx.uses_explicit_workgroup_layout) {
         const Id pointer{
             ctx.OpAccessChain(ctx.shared_u8, ctx.shared_memory_u8, ctx.u32_zero_value, offset)};
@@ -55,7 +53,6 @@ Id EmitLoadSharedS8(EmitContext& ctx, Id offset) {
 }
 
 Id EmitLoadSharedU16(EmitContext& ctx, Id offset) {
-    offset = ctx.BoundSharedOffset(offset, 2);
     if (ctx.uses_explicit_workgroup_layout) {
         const Id pointer{Pointer(ctx, ctx.shared_u16, ctx.shared_memory_u16, offset, 1)};
         return ctx.OpUConvert(ctx.U32[1], ctx.OpLoad(ctx.U16, pointer));
@@ -66,7 +63,6 @@ Id EmitLoadSharedU16(EmitContext& ctx, Id offset) {
 }
 
 Id EmitLoadSharedS16(EmitContext& ctx, Id offset) {
-    offset = ctx.BoundSharedOffset(offset, 2);
     if (ctx.uses_explicit_workgroup_layout) {
         const Id pointer{Pointer(ctx, ctx.shared_u16, ctx.shared_memory_u16, offset, 1)};
         return ctx.OpSConvert(ctx.U32[1], ctx.OpLoad(ctx.U16, pointer));
@@ -77,7 +73,6 @@ Id EmitLoadSharedS16(EmitContext& ctx, Id offset) {
 }
 
 Id EmitLoadSharedU32(EmitContext& ctx, Id offset) {
-    offset = ctx.BoundSharedOffset(offset, 4);
     if (ctx.uses_explicit_workgroup_layout) {
         const Id pointer{Pointer(ctx, ctx.shared_u32, ctx.shared_memory_u32, offset, 2)};
         return ctx.OpLoad(ctx.U32[1], pointer);
@@ -87,7 +82,6 @@ Id EmitLoadSharedU32(EmitContext& ctx, Id offset) {
 }
 
 Id EmitLoadSharedU64(EmitContext& ctx, Id offset) {
-    offset = ctx.BoundSharedOffset(offset, 8);
     if (ctx.uses_explicit_workgroup_layout) {
         const Id pointer{Pointer(ctx, ctx.shared_u32x2, ctx.shared_memory_u32x2, offset, 3)};
         return ctx.OpLoad(ctx.U32[2], pointer);
@@ -103,7 +97,6 @@ Id EmitLoadSharedU64(EmitContext& ctx, Id offset) {
 }
 
 Id EmitLoadSharedU128(EmitContext& ctx, Id offset) {
-    offset = ctx.BoundSharedOffset(offset, 16);
     if (ctx.uses_explicit_workgroup_layout) {
         const Id pointer{Pointer(ctx, ctx.shared_u32x4, ctx.shared_memory_u32x4, offset, 4)};
         return ctx.OpLoad(ctx.U32[4], pointer);
@@ -120,7 +113,6 @@ Id EmitLoadSharedU128(EmitContext& ctx, Id offset) {
 }
 
 void EmitWriteSharedU8(EmitContext& ctx, Id offset, Id value) {
-    offset = ctx.BoundSharedOffset(offset, 1);
     if (ctx.uses_explicit_workgroup_layout) {
         const Id pointer{
             ctx.OpAccessChain(ctx.shared_u8, ctx.shared_memory_u8, ctx.u32_zero_value, offset)};
@@ -131,7 +123,6 @@ void EmitWriteSharedU8(EmitContext& ctx, Id offset, Id value) {
 }
 
 void EmitWriteSharedU16(EmitContext& ctx, Id offset, Id value) {
-    offset = ctx.BoundSharedOffset(offset, 2);
     if (ctx.uses_explicit_workgroup_layout) {
         const Id pointer{Pointer(ctx, ctx.shared_u16, ctx.shared_memory_u16, offset, 1)};
         ctx.OpStore(pointer, ctx.OpUConvert(ctx.U16, value));
@@ -141,7 +132,6 @@ void EmitWriteSharedU16(EmitContext& ctx, Id offset, Id value) {
 }
 
 void EmitWriteSharedU32(EmitContext& ctx, Id offset, Id value) {
-    offset = ctx.BoundSharedOffset(offset, 4);
     Id pointer{};
     if (ctx.uses_explicit_workgroup_layout) {
         pointer = Pointer(ctx, ctx.shared_u32, ctx.shared_memory_u32, offset, 2);
@@ -154,7 +144,6 @@ void EmitWriteSharedU32(EmitContext& ctx, Id offset, Id value) {
 }
 
 void EmitWriteSharedU64(EmitContext& ctx, Id offset, Id value) {
-    offset = ctx.BoundSharedOffset(offset, 8);
     if (ctx.uses_explicit_workgroup_layout) {
         const Id pointer{Pointer(ctx, ctx.shared_u32x2, ctx.shared_memory_u32x2, offset, 3)};
         ctx.OpStore(pointer, value);
@@ -170,7 +159,6 @@ void EmitWriteSharedU64(EmitContext& ctx, Id offset, Id value) {
 }
 
 void EmitWriteSharedU128(EmitContext& ctx, Id offset, Id value) {
-    offset = ctx.BoundSharedOffset(offset, 16);
     if (ctx.uses_explicit_workgroup_layout) {
         const Id pointer{Pointer(ctx, ctx.shared_u32x4, ctx.shared_memory_u32x4, offset, 4)};
         ctx.OpStore(pointer, value);

src/shader_recompiler/backend/spirv/emit_spirv_warp.cpp

@@ -260,6 +260,21 @@ 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/backend/spirv/spirv_emit_context.cpp

@@ -600,16 +600,6 @@ void EmitContext::DefineLocalMemory(const IR::Program& program) {
     }
 }
 
-Id EmitContext::BoundSharedOffset(Id offset, u32 access_bytes) {
-    if (shared_memory_declared_bytes == 0) {
-        return offset;
-    }
-    const u32 last_valid{shared_memory_declared_bytes > access_bytes
-                             ? shared_memory_declared_bytes - access_bytes
-                             : 0U};
-    return OpUMin(U32[1], offset, Const(last_valid));
-}
-
 void EmitContext::DefineSharedMemory(const IR::Program& program) {
     uses_explicit_workgroup_layout =
         profile.support_explicit_workgroup_layout &&
@@ -618,15 +608,8 @@ void EmitContext::DefineSharedMemory(const IR::Program& program) {
     if (program.shared_memory_size == 0) {
         return;
     }
-    const u32 device_limit{profile.max_shared_memory_size};
-    const u32 shared_memory_size{device_limit != 0 && program.shared_memory_size > device_limit
-                                     ? device_limit
-                                     : program.shared_memory_size};
-    if (shared_memory_size != program.shared_memory_size) {
-        shared_memory_declared_bytes = shared_memory_size;
-    }
     const auto make{[&](Id element_type, u32 element_size) {
-        const u32 num_elements{Common::DivCeil(shared_memory_size, element_size)};
+        const u32 num_elements{Common::DivCeil(program.shared_memory_size, element_size)};
         const Id array_type{TypeArray(element_type, Const(num_elements))};
         Decorate(array_type, spv::Decoration::ArrayStride, element_size);
 
@@ -661,7 +644,7 @@ void EmitContext::DefineSharedMemory(const IR::Program& program) {
         std::tie(shared_memory_u32x4, shared_u32x4, std::ignore) = make(U32[4], 16);
         return;
     }
-    const u32 num_elements{Common::DivCeil(shared_memory_size, 4U)};
+    const u32 num_elements{Common::DivCeil(program.shared_memory_size, 4U)};
     const Id type{TypeArray(U32[1], Const(num_elements))};
     shared_memory_u32_type = TypePointer(spv::StorageClass::Workgroup, type);
 

src/shader_recompiler/backend/spirv/spirv_emit_context.h

@@ -312,8 +312,6 @@ public:
     Id local_memory{};
 
     bool uses_explicit_workgroup_layout{};
-    u32 shared_memory_declared_bytes{};
-    [[nodiscard]] Id BoundSharedOffset(Id offset, u32 access_bytes);
     Id shared_memory_u8{};
     Id shared_memory_u16{};
     Id shared_memory_u32{};

src/shader_recompiler/frontend/ir/ir_emitter.cpp

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
@@ -2100,6 +2100,14 @@ 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 2025 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
@@ -394,6 +394,8 @@ 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[532] = {
+OpcodeMeta META_TABLE[534] = {
 #define OPCODE(name_token, type_token, ...)                                                        \
     {                                                                                              \
         .name{#name_token},                                                                        \
@@ -21,7 +21,7 @@ OpcodeMeta META_TABLE[532] = {
 #undef OPCODE
 };
 
-u8 NUM_ARGS[532] = {
+u8 NUM_ARGS[534] = {
 #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[532];
+extern OpcodeMeta META_TABLE[534];
 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[532];
+extern u8 NUM_ARGS[534];
 } // namespace Detail
 
 /// Get return type of an opcode

src/shader_recompiler/frontend/ir/opcodes.inc

@@ -1,3 +1,6 @@
+// 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
 
@@ -579,6 +582,8 @@ 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/warp_shuffle.cpp

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
@@ -36,7 +36,10 @@ enum class ShuffleMode : u64 {
     }
 }
 
-void Shuffle(TranslatorVisitor& v, u64 insn, const IR::U32& index, const IR::U32& mask) {
+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) {
     union {
         u64 insn;
         BitField<0, 8, IR::Reg> dest_reg;
@@ -45,6 +48,21 @@ 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);
@@ -59,11 +77,14 @@ void TranslatorVisitor::SHFL(u64 insn) {
         BitField<29, 1, u64> src_b_flag;
         BitField<34, 13, u64> src_b_imm;
     } const flags{insn};
-    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);
+    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));
 }
 
 } // namespace Shader::Maxwell

src/shader_recompiler/ir_opt/collect_shader_info_pass.cpp

@@ -498,6 +498,10 @@ 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

@@ -37,6 +37,8 @@ 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{};
@@ -103,9 +105,6 @@ struct Profile {
 
     u32 gl_max_compute_smem_size{};
 
-    /// Largest workgroup shared memory allocation the device accepts, 0 when unconstrained
-    u32 max_shared_memory_size{};
-
     /// Maxwell and earlier nVidia architectures have broken robust support
     bool has_broken_robust{};
 

src/shader_recompiler/shader_info.h

@@ -252,6 +252,7 @@ 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/buffer_cache/buffer_cache.h

@@ -571,11 +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>
@@ -583,7 +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;
     }
@@ -643,84 +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.FlushUnifiedMemoryCopies();
-            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>
@@ -735,49 +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>
@@ -1085,25 +1006,11 @@ void BufferCache<P>::BindHostGraphicsStorageBuffers(size_t stage) {
         Buffer& buffer = slot_buffers[binding.buffer_id];
         TouchBuffer(buffer, binding.buffer_id);
         const u32 size = binding.size;
-        const bool is_written = ((channel_state->written_storage_buffers[stage] >> index) & 1) != 0;
-
-        if constexpr (USE_UNIFIED_MEMORY) {
-            const auto window = TryResolveUnifiedRange(binding.device_addr, size);
-            if (window && runtime.IsUnifiedStorageRange(size, window->offset)) {
-                if (is_written) {
-                    memory_tracker.MarkRegionAsCpuModified(binding.device_addr, size);
-                }
-                runtime.BindStorageBuffer(runtime.UnifiedWindowBuffer(window->window),
-                                          runtime.UnifiedWindowAddress(window->window),
-                                          static_cast<u32>(window->offset), size, is_written);
-                return;
-            }
-        }
-
         SynchronizeBuffer(buffer, binding.device_addr, size);
 
         const u32 offset = buffer.Offset(binding.device_addr);
         buffer.MarkUsage(offset, size);
+        const bool is_written = ((channel_state->written_storage_buffers[stage] >> index) & 1) != 0;
 
         if (is_written) {
             MarkWrittenBuffer(binding.buffer_id, binding.device_addr, size);
@@ -1792,142 +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>
-std::optional<typename BufferCache<P>::UnifiedWindowRange>
-BufferCache<P>::TryResolveUnifiedRange([[maybe_unused]] DAddr device_addr,
-                                       [[maybe_unused]] u64 size) {
-    if constexpr (USE_UNIFIED_MEMORY) {
-        if (size == 0 || !runtime.IsUnifiedMemoryBindable()) {
-            return std::nullopt;
-        }
-        const u64 window_size = runtime.UnifiedMemoryWindowSize();
-        if (window_size == 0) {
-            return std::nullopt;
-        }
-        const u8* const first = device_memory.GetSpan(device_addr, size);
-        if (first == nullptr) {
-            return std::nullopt;
-        }
-        const u64 phys_offset = static_cast<u64>(first - device_memory.GetPhysicalBase());
-        const u64 unified_base = runtime.UnifiedMemoryBase();
-        if (phys_offset < unified_base) {
-            return std::nullopt;
-        }
-        const u64 relative = phys_offset - unified_base;
-        const u64 unified_size = runtime.UnifiedMemorySize();
-        if (relative >= unified_size || unified_size - relative < size) {
-            return std::nullopt;
-        }
-        const u64 local_offset = relative % window_size;
-        if (window_size - local_offset < size) {
-            return std::nullopt;
-        }
-        if (memory_tracker.IsRegionGpuModified(device_addr, size) ||
-            IsRegionGpuModified(device_addr, size)) {
-            return std::nullopt;
-        }
-        return UnifiedWindowRange{
-            .window = static_cast<size_t>(relative / window_size),
-            .offset = local_offset,
-        };
-    } else {
-        return std::nullopt;
-    }
-}
-
-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.FlushUnifiedMemoryCopies();
-        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,
@@ -2031,12 +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());

src/video_core/buffer_cache/buffer_cache_base.h

@@ -12,7 +12,6 @@
 #include <functional>
 #include <memory>
 #include <mutex>
-#include <optional>
 #include <numeric>
 #include <span>
 #include <vector>
@@ -181,7 +180,6 @@ 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 s64 TARGET_THRESHOLD = 3_GiB;
@@ -445,22 +443,6 @@ private:
 
     void MappedUploadMemory(Buffer& buffer, u64 total_size_bytes, std::span<BufferCopy> copies);
 
-    bool TryUnifiedDownloadMemory(Buffer& buffer, std::span<BufferCopy> copies);
-
-    struct UnifiedWindowRange {
-        size_t window;
-        u64 offset;
-    };
-
-    std::optional<UnifiedWindowRange> TryResolveUnifiedRange(DAddr device_addr, u64 size);
-
-    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);
@@ -516,14 +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;

src/video_core/host_shaders/CMakeLists.txt

@@ -17,14 +17,12 @@ 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.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

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/sgsr1_shader_mobile.frag

@@ -6,9 +6,9 @@
 precision highp float;
 precision highp int;
 
+// Operation modes: RGBA -> 1, RGBY -> 3, LERP -> 4
+#define OPERATION_MODE 1
 #define EDGE_THRESHOLD (8.0 / 255.0)
-#define DIRECTION_EPSILON 6.5e-05
-#define DEVIATION_FLOOR 6.0e-02
 
 layout(push_constant) uniform constants {
     vec2 scale;
@@ -21,37 +21,20 @@ layout(set = 0, binding = 0) uniform sampler2D sampler0;
 layout(location=0) in vec2 texcoord;
 layout(location=0) out vec4 frag_color;
 
-mediump vec4 fastLanczos2(mediump vec4 x) {
-    mediump vec4 wA = x - 4.0f;
-    mediump vec4 wB = x * wA - wA;
-    wA *= wA;
-    return wB * wA;
-}
-
-mediump vec2 edgeDirection(mediump vec4 left, mediump vec4 right) {
-    mediump float RxLz = right.x - left.z;
-    mediump float RwLy = right.w - left.y;
-    mediump vec2 delta = vec2(RxLz + RwLy, RxLz - RwLy);
-    mediump float length_inv =
-        inversesqrt((delta.x * delta.x + DIRECTION_EPSILON) + delta.y * delta.y);
-    return delta * length_inv;
-}
-
-mediump vec4 weightY(mediump vec4 dx, mediump vec4 dy, mediump vec4 c, mediump float std,
-                     mediump vec2 dir) {
-    mediump vec4 edge_dis = dx * dir.y + dy * dir.x;
-    mediump vec4 x = (dx * dx + dy * dy) +
-                     (edge_dis * edge_dis) * (clamp((c * c) * std, 0.0f, 1.0f) * 0.7f - 1.0f);
-    return fastLanczos2(x);
+vec4 weightY(vec4 dx, vec4 dy, vec4 std) {
+    vec4 x = ((dx * dx) + (dy * dy)) * 0.55f + std;
+    return (x - 1.f) * (x - 4.f) * 3.8125f; // approx. of (x - 1) * (x - 4)^3
 }
 
 void main() {
-    mediump vec4 color = textureLod(sampler0, texcoord.xy, 0.0f);
-    highp vec2 icoord = (texcoord * size + vec2(-0.5f, 0.5f));
-    highp vec2 icoord_pixel = floor(icoord);
-    highp vec2 coord = icoord_pixel * scale;
-    mediump vec2 pl = icoord - icoord_pixel;
-    mediump mat3x4 dg = mat3x4(
+    vec4 color = textureLod(sampler0, texcoord.xy, 0.0f);
+    // image coord
+    vec2 icoord = (texcoord * size + vec2(-0.5f, 0.5f));
+    vec2 icoord_pixel = floor(icoord);
+    vec2 coord = icoord_pixel * scale;
+    vec2 pl = icoord - icoord_pixel;
+    // left: 0, right: 1, upDown: 2
+    mat3x4 dg = mat3x4(
         textureGather(sampler0, coord, 1),
         textureGather(sampler0, coord + vec2(2.f * scale.x, 0.0f), 1),
         vec4(
@@ -59,40 +42,42 @@ void main() {
             textureGather(sampler0, coord + vec2(scale.x, +scale.y), 1).yx
         )
     );
-    mediump float edgeVote =
-        abs(dg[0].z - dg[0].y) + abs(color.y - dg[0].y) + abs(color.y - dg[0].z);
+    float edgeVote = abs(dg[0].z - dg[0].y) + abs(color.y - dg[0].y) + abs(color.y - dg[0].z);
     if (edgeVote > EDGE_THRESHOLD) {
-        mediump float mean = (dg[0].y + dg[0].z + dg[1].x + dg[1].w) * 0.25f;
+        float mean = (dg[0].y + dg[0].z + dg[1].x + dg[1].w) * 0.25f;
         dg = dg - mean;
-        mediump float sum = dot(abs(dg[0]) + abs(dg[1]) + abs(dg[2]), vec4(1.0f));
-        mediump float sum_mean = 1.014185e+01f / max(sum, DEVIATION_FLOOR);
-        mediump float std = sum_mean * sum_mean;
-        mediump vec2 dir = edgeDirection(dg[0], dg[1]);
-        mediump vec4 w0 = weightY(
-            pl.xxxx + vec4(+1.0f, +0.0f, +0.0f, +1.0f),
-            pl.yyyy + vec4(-1.0f, -1.0f, +0.0f, +0.0f),
-            dg[0], std, dir
+        vec4 sum = abs(dg[0]) + abs(dg[1]) + abs(dg[2]);
+        float std = 2.181818f / (sum.x + sum.y + sum.z + sum.w);
+        mat2x4 w = mat2x4(
+            weightY(
+                pl.xxxx + vec4(+1.0f, +0.0f, +0.0f, +1.0f),
+                pl.yyyy + vec4(-1.0f, -1.0f, +0.0f, +0.0f),
+                clamp(abs(dg[0]) * std, 0.0f, 1.0f)
+            ) + weightY(
+                pl.xxxx + vec4(-1.0f, -2.0f, -2.0f, -1.0f),
+                pl.yyyy + vec4(-1.0f, -1.0f, +0.0f, +0.0f),
+                clamp(abs(dg[1]) * std, 0.0f, 1.0f)
+            ) + weightY(
+                pl.xxxx + vec4(+0.0f, -1.0f, -1.0f, +0.0f),
+                pl.yyyy + vec4(+1.0f, +1.0f, -2.0f, -2.0f),
+                clamp(abs(dg[2]) * std, 0.0f, 1.0f)
+            ),
+            dg[0] + dg[1] + dg[2]
         );
-        mediump vec4 w1 = weightY(
-            pl.xxxx + vec4(-1.0f, -2.0f, -2.0f, -1.0f),
-            pl.yyyy + vec4(-1.0f, -1.0f, +0.0f, +0.0f),
-            dg[1], std, dir
+        // compute final y with bounds
+        vec2 yb = vec2(
+            min(min(dg[0].y, dg[0].z), min(dg[1].x, dg[1].w)), // min
+            max(max(dg[0].y, dg[0].z), max(dg[1].x, dg[1].w))  // max
         );
-        mediump vec4 w2 = weightY(
-            pl.xxxx + vec4(+0.0f, -1.0f, -1.0f, +0.0f),
-            pl.yyyy + vec4(+1.0f, +1.0f, -2.0f, -2.0f),
-            dg[2], std, dir
+        vec2 fvy = vec2(
+            w[0].x + w[0].y + w[0].z + w[0].w,
+            w[1].x + w[1].y + w[1].z + w[1].w
         );
-        mediump float sum_w = dot(w0 + w1 + w2, vec4(1.0f));
-        mediump float sum_wc = dot(w0 * dg[0] + w1 * dg[1] + w2 * dg[2], vec4(1.0f));
-        mediump vec2 yb = vec2(
-            min(min(dg[0].y, dg[0].z), min(dg[1].x, dg[1].w)),
-            max(max(dg[0].y, dg[0].z), max(dg[1].x, dg[1].w))
-        );
-        mediump float fy = clamp((sum_wc / sum_w) * edge_sharpness, yb[0], yb[1]);
-        mediump float dy = clamp(fy - color.y + mean, -23.0f / 255.0f, 23.0f / 255.0f);
+        float fy = clamp((fvy.y / fvy.x) * edge_sharpness, yb[0], yb[1]);
+        // Smooth high contrast input
+        float dy = clamp(fy - color.y + mean, -23.0f / 255.0f, 23.0f / 255.0f);
         color = clamp(color + dy, 0.0f, 1.0f);
     }
-    color.w = 1.0f;
+    color.w = 1.0f;  //assume alpha channel is not used
     frag_color.xyzw = color;
 }

src/video_core/renderer_opengl/gl_buffer_cache.h

@@ -261,7 +261,6 @@ struct BufferCacheParams {
 
     // TODO: Investigate why OpenGL seems to perform worse with persistently mapped buffer uploads
     static constexpr bool USE_MEMORY_MAPS_FOR_UPLOADS = false;
-    static constexpr bool USE_UNIFIED_MEMORY = false;
 };
 
 using BufferCache = VideoCommon::BufferCache<BufferCacheParams>;

src/video_core/renderer_opengl/gl_shader_cache.cpp

@@ -238,7 +238,6 @@ ShaderCache::ShaderCache(Tegra::MaxwellDeviceMemoryManager& device_memory_,
           .has_gl_bool_ref_bug = device.HasBoolRefBug(),
           .ignore_nan_fp_comparisons = true,
           .gl_max_compute_smem_size = device.GetMaxComputeSharedMemorySize(),
-          .max_shared_memory_size = device.GetMaxComputeSharedMemorySize(),
           .min_ssbo_alignment = device.GetShaderStorageBufferAlignment(),
           // Use the host limit, but never more than the guest can produce. Maxwell exposes 8 clip
           // distances and the SPIR-V output array is sized for at most 8, so clamping here keeps a

src/video_core/renderer_opengl/gl_texture_cache.h

@@ -373,7 +373,6 @@ struct TextureCacheParams {
     static constexpr bool HAS_DEVICE_MEMORY_INFO = true;
     static constexpr bool IMPLEMENTS_ASYNC_DOWNLOADS = true;
     static constexpr bool HAS_MSAA_DOWNLOADS = false;
-    static constexpr bool USE_UNIFIED_MEMORY = false;
 
     using Runtime = OpenGL::TextureCacheRuntime;
     using Image = OpenGL::Image;

src/video_core/renderer_vulkan/vk_buffer_cache.cpp

@@ -7,9 +7,7 @@
 #include <algorithm>
 #include <array>
 #include <cstring>
-#include <limits>
 #include <span>
-#include <utility>
 #include <vector>
 
 #include "video_core/buffer_cache/buffer_cache_base.h"
@@ -34,32 +32,6 @@ VkBufferCopy MakeBufferCopy(const VideoCommon::BufferCopy& copy) {
     };
 }
 
-constexpr size_t MAX_WINDOW_BARRIER_RANGES = 8;
-
-using WindowRange = std::pair<VkDeviceSize, VkDeviceSize>;
-using WindowRanges = boost::container::small_vector<WindowRange, MAX_WINDOW_BARRIER_RANGES>;
-
-void CoalesceWindowRanges(WindowRanges& ranges) {
-    if (ranges.size() < 2) {
-        return;
-    }
-    std::sort(ranges.begin(), ranges.end());
-    size_t merged = 0;
-    for (size_t index = 1; index < ranges.size(); ++index) {
-        if (ranges[index].first <= ranges[merged].second) {
-            ranges[merged].second = (std::max)(ranges[merged].second, ranges[index].second);
-        } else {
-            ranges[++merged] = ranges[index];
-        }
-    }
-    ranges.resize(merged + 1);
-    if (ranges.size() > MAX_WINDOW_BARRIER_RANGES) {
-        const WindowRange bounding{ranges.front().first, ranges.back().second};
-        ranges.clear();
-        ranges.push_back(bounding);
-    }
-}
-
 VkIndexType IndexTypeFromNumElements(const Device& device, u32 num_elements) {
     if (num_elements <= 0xff && device.IsExtIndexTypeUint8Supported()) {
         return VK_INDEX_TYPE_UINT8_EXT;
@@ -70,16 +42,6 @@ VkIndexType IndexTypeFromNumElements(const Device& device, u32 num_elements) {
     return VK_INDEX_TYPE_UINT32;
 }
 
-u32 GrowIndexCount(u32 current, u32 requested) {
-    constexpr u32 MinimumIndices = 4096;
-    constexpr u32 GrowthLimit = (std::numeric_limits<u32>::max)() / 2;
-    u32 grown = (std::max)(requested, MinimumIndices);
-    if (current <= GrowthLimit) {
-        grown = (std::max)(grown, current * 2);
-    }
-    return grown;
-}
-
 size_t BytesPerIndex(VkIndexType index_type) {
     switch (index_type) {
     case VK_INDEX_TYPE_UINT8_EXT:
@@ -196,12 +158,13 @@ public:
     virtual ~QuadIndexBuffer() = default;
 
     void UpdateBuffer(u32 num_indices_) {
-        ReleaseRetiredBuffers();
         if (num_indices_ <= num_indices) {
             return;
         }
 
-        num_indices = GrowIndexCount(num_indices, num_indices_);
+        scheduler.Finish();
+
+        num_indices = num_indices_;
         index_type = IndexTypeFromNumElements(device, num_indices);
 
         const u32 num_quads = GetQuadsNum(num_indices);
@@ -219,12 +182,6 @@ public:
             .queueFamilyIndexCount = 0,
             .pQueueFamilyIndices = nullptr,
         };
-        if (buffer) {
-            retired_buffers.push_back(RetiredBuffer{
-                .buffer = std::move(buffer),
-                .tick = scheduler.CurrentTick(),
-            });
-        }
         buffer = memory_allocator.CreateBuffer(buffer_ci, MemoryUsage::DeviceLocal);
         if (device.HasDebuggingToolAttached()) {
             buffer.SetObjectNameEXT("Quad LUT");
@@ -292,17 +249,6 @@ protected:
 
     virtual void MakeAndUpdateIndices(u8* staging_data, size_t quad_size, u32 quad, u32 first) = 0;
 
-    struct RetiredBuffer {
-        vk::Buffer buffer;
-        u64 tick;
-    };
-
-    void ReleaseRetiredBuffers() {
-        std::erase_if(retired_buffers, [this](const RetiredBuffer& entry) {
-            return scheduler.IsFree(entry.tick);
-        });
-    }
-
     const Device& device;
     MemoryAllocator& memory_allocator;
     Scheduler& scheduler;
@@ -310,7 +256,6 @@ protected:
 
     vk::Buffer buffer{};
     MemoryCommit memory_commit{};
-    std::vector<RetiredBuffer> retired_buffers;
     VkIndexType index_type{};
     u32 num_indices = 0;
 };
@@ -420,138 +365,6 @@ BufferCacheRuntime::BufferCacheRuntime(const Device& device_, MemoryAllocator& m
                                                                      scheduler_, staging_pool_);
 }
 
-void BufferCacheRuntime::TryEnableUnifiedMemory(void* base, size_t size,
-                                                std::span<AHardwareBuffer* const> hardware_buffers,
-                                                size_t hardware_buffer_window,
-                                                size_t hardware_buffer_base) {
-    unified_memory = memory_allocator.CreateHostMemoryImport(
-        base, size, hardware_buffers, hardware_buffer_window, hardware_buffer_base);
-}
-
-void BufferCacheRuntime::CopyToUnifiedMemory(
-    size_t window_index, VkBuffer src_buffer,
-    std::span<const VideoCommon::BufferCopy> copies) {
-    if (!unified_memory || src_buffer == VK_NULL_HANDLE || copies.empty() ||
-        window_index >= unified_memory->GetWindowCount() ||
-        unified_memory->GetWindowBuffer(window_index) == VK_NULL_HANDLE) {
-        return;
-    }
-    PendingUnifiedCopy& pending = pending_unified_copies.emplace_back();
-    pending.window = window_index;
-    pending.buffer = src_buffer;
-    pending.copies.resize(copies.size());
-    std::ranges::transform(copies, pending.copies.begin(), MakeBufferCopy);
-}
-
-void BufferCacheRuntime::FlushUnifiedMemoryCopies() {
-    if (pending_unified_copies.empty()) {
-        return;
-    }
-    struct UnifiedCopyCommand {
-        VkBuffer buffer;
-        boost::container::small_vector<VkBufferCopy, 8> copies;
-    };
-
-    std::stable_sort(pending_unified_copies.begin(), pending_unified_copies.end(),
-                     [](const PendingUnifiedCopy& lhs, const PendingUnifiedCopy& rhs) {
-                         return lhs.window < rhs.window;
-                     });
-
-    const bool foreign = unified_memory->NeedsForeignOwnershipTransfer();
-    const u32 queue_family = device.GetGraphicsFamily();
-
-    size_t group_begin = 0;
-    while (group_begin < pending_unified_copies.size()) {
-        const size_t window = pending_unified_copies[group_begin].window;
-        size_t group_end = group_begin;
-        while (group_end < pending_unified_copies.size() &&
-               pending_unified_copies[group_end].window == window) {
-            ++group_end;
-        }
-        const VkBuffer window_buffer = unified_memory->GetWindowBuffer(window);
-
-        WindowRanges ranges;
-        for (size_t index = group_begin; index < group_end; ++index) {
-            for (const VkBufferCopy& copy : pending_unified_copies[index].copies) {
-                ranges.emplace_back(copy.dstOffset, copy.dstOffset + copy.size);
-            }
-        }
-        CoalesceWindowRanges(ranges);
-
-        boost::container::small_vector<VkBufferMemoryBarrier, MAX_WINDOW_BARRIER_RANGES> acquire;
-        boost::container::small_vector<VkBufferMemoryBarrier, MAX_WINDOW_BARRIER_RANGES> release;
-        if (foreign) {
-            for (const WindowRange& range : ranges) {
-                acquire.push_back(VkBufferMemoryBarrier{
-                    .sType = VK_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER,
-                    .pNext = nullptr,
-                    .srcAccessMask = 0,
-                    .dstAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT,
-                    .srcQueueFamilyIndex = VK_QUEUE_FAMILY_FOREIGN_EXT,
-                    .dstQueueFamilyIndex = queue_family,
-                    .buffer = window_buffer,
-                    .offset = range.first,
-                    .size = range.second - range.first,
-                });
-                release.push_back(VkBufferMemoryBarrier{
-                    .sType = VK_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER,
-                    .pNext = nullptr,
-                    .srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT,
-                    .dstAccessMask = 0,
-                    .srcQueueFamilyIndex = queue_family,
-                    .dstQueueFamilyIndex = VK_QUEUE_FAMILY_FOREIGN_EXT,
-                    .buffer = window_buffer,
-                    .offset = range.first,
-                    .size = range.second - range.first,
-                });
-            }
-        }
-
-        boost::container::small_vector<UnifiedCopyCommand, 4> commands;
-        commands.reserve(group_end - group_begin);
-        for (size_t index = group_begin; index < group_end; ++index) {
-            PendingUnifiedCopy& pending = pending_unified_copies[index];
-            commands.push_back(UnifiedCopyCommand{pending.buffer, std::move(pending.copies)});
-        }
-
-        scheduler.RequestOutsideRenderPassOperationContext();
-        scheduler.Record([window_buffer, acquire = std::move(acquire), release = std::move(release),
-                          commands = std::move(commands)](vk::CommandBuffer cmdbuf) {
-            if (!acquire.empty()) {
-                cmdbuf.PipelineBarrier(VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT,
-                                       VK_PIPELINE_STAGE_TRANSFER_BIT, 0, {},
-                                       VideoCommon::FixSmallVectorADL(acquire), {});
-            }
-            for (const UnifiedCopyCommand& command : commands) {
-                cmdbuf.CopyBuffer(command.buffer, window_buffer,
-                                  VideoCommon::FixSmallVectorADL(command.copies));
-            }
-            if (!release.empty()) {
-                cmdbuf.PipelineBarrier(VK_PIPELINE_STAGE_TRANSFER_BIT,
-                                       VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT, 0, {},
-                                       VideoCommon::FixSmallVectorADL(release), {});
-            }
-        });
-
-        group_begin = group_end;
-    }
-    pending_unified_copies.clear();
-}
-
-void BufferCacheRuntime::UnifiedMemoryHostBarrier() {
-    static constexpr VkMemoryBarrier HOST_BARRIER{
-        .sType = VK_STRUCTURE_TYPE_MEMORY_BARRIER,
-        .pNext = nullptr,
-        .srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT,
-        .dstAccessMask = VK_ACCESS_HOST_READ_BIT,
-    };
-    scheduler.RequestOutsideRenderPassOperationContext();
-    scheduler.Record([](vk::CommandBuffer cmdbuf) {
-        cmdbuf.PipelineBarrier(VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_HOST_BIT, 0,
-                               HOST_BARRIER);
-    });
-}
-
 StagingBufferRef BufferCacheRuntime::UploadStagingBuffer(size_t size) {
     return staging_pool.Request(size, MemoryUsage::Upload);
 }
@@ -589,7 +402,6 @@ u32 BufferCacheRuntime::GetStorageBufferAlignment() const {
 }
 
 void BufferCacheRuntime::TickFrame(Common::SlotVector<Buffer>& slot_buffers) noexcept {
-    FlushUnifiedMemoryCopies();
     for (auto it = slot_buffers.begin(); it != slot_buffers.end(); it++) {
         if (scheduler.IsFree(it->LastUsageTick())) {
             it->ResetUsageTracking();

src/video_core/renderer_vulkan/vk_buffer_cache.h

@@ -7,10 +7,6 @@
 #pragma once
 
 #include <limits>
-#include <memory>
-#include <span>
-
-#include <boost/container/small_vector.hpp>
 
 #include "video_core/buffer_cache/buffer_cache_base.h"
 #include "video_core/buffer_cache/memory_tracker_base.h"
@@ -101,33 +97,6 @@ public:
 
     void TickFrame(Common::SlotVector<Buffer>& slot_buffers) noexcept;
 
-    void TryEnableUnifiedMemory(void* base, size_t size,
-                                std::span<AHardwareBuffer* const> hardware_buffers,
-                                size_t hardware_buffer_window, size_t hardware_buffer_base);
-
-    [[nodiscard]] bool HasUnifiedMemory() const noexcept {
-        return unified_memory != nullptr && unified_memory->IsValid();
-    }
-
-    [[nodiscard]] u64 UnifiedMemorySize() const noexcept {
-        return unified_memory ? unified_memory->GetSize() : 0;
-    }
-
-    [[nodiscard]] u64 UnifiedMemoryBase() const noexcept {
-        return unified_memory ? unified_memory->GetBaseOffset() : 0;
-    }
-
-    [[nodiscard]] u64 UnifiedMemoryWindowSize() const noexcept {
-        return unified_memory ? unified_memory->GetWindowSize() : 0;
-    }
-
-    void CopyToUnifiedMemory(size_t window_index, VkBuffer src_buffer,
-                             std::span<const VideoCommon::BufferCopy> copies);
-
-    void FlushUnifiedMemoryCopies();
-
-    void UnifiedMemoryHostBarrier();
-
     u64 CurrentTick();
 
     u64 KnownGpuTick();
@@ -195,29 +164,6 @@ public:
         BindBuffer(buffer, offset, size);
     }
 
-    void BindStorageBuffer(VkBuffer buffer, VkDeviceAddress address, u32 offset, u32 size,
-                           [[maybe_unused]] bool is_written) {
-        guest_descriptor_queue.AddBuffer(buffer, address, offset, size);
-    }
-
-    [[nodiscard]] bool IsUnifiedMemoryBindable() const noexcept {
-        return unified_memory != nullptr && unified_memory->IsValid() &&
-               unified_memory->IsBindable();
-    }
-
-    [[nodiscard]] VkBuffer UnifiedWindowBuffer(size_t index) const noexcept {
-        return unified_memory->GetWindowBuffer(index);
-    }
-
-    [[nodiscard]] VkDeviceAddress UnifiedWindowAddress(size_t index) const noexcept {
-        return unified_memory->GetWindowAddress(index);
-    }
-
-    [[nodiscard]] bool IsUnifiedStorageRange(u32 size, u64 offset) const {
-        return size <= device.GetMaxStorageBufferRange() &&
-               (offset % device.GetStorageBufferAlignment()) == 0;
-    }
-
     void BindTextureBuffer(Buffer& buffer, u32 offset, u32 size,
                            VideoCore::Surface::PixelFormat format) {
         guest_descriptor_queue.AddTexelBuffer(buffer.View(offset, size, format),
@@ -234,12 +180,6 @@ public:
     }
 
 private:
-    struct PendingUnifiedCopy {
-        size_t window;
-        VkBuffer buffer;
-        boost::container::small_vector<VkBufferCopy, 8> copies;
-    };
-
     void BindBuffer(const Buffer& buffer, u32 offset, u32 size) {
         const VkBuffer handle = buffer.Handle();
         if (handle == VK_NULL_HANDLE) {
@@ -264,8 +204,6 @@ private:
     std::shared_ptr<QuadStripIndexBuffer> quad_strip_index_buffer;
 
     vk::Buffer null_buffer;
-    HostMemoryImport* unified_memory{};
-    boost::container::small_vector<PendingUnifiedCopy, 8> pending_unified_copies;
 
     std::unique_ptr<Uint8Pass> uint8_pass;
     QuadIndexedPass quad_index_pass;
@@ -288,7 +226,6 @@ struct BufferCacheParams {
     static constexpr bool USE_MEMORY_MAPS = true;
     static constexpr bool SEPARATE_IMAGE_BUFFER_BINDINGS = false;
     static constexpr bool USE_MEMORY_MAPS_FOR_UPLOADS = true;
-    static constexpr bool USE_UNIFIED_MEMORY = true;
 };
 
 using BufferCache = VideoCommon::BufferCache<BufferCacheParams>;

src/video_core/renderer_vulkan/vk_compute_pass.cpp

@@ -4,7 +4,6 @@
 // SPDX-FileCopyrightText: Copyright 2019 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-#include <algorithm>
 #include <array>
 #include <memory>
 #include <numeric>
@@ -13,7 +12,6 @@
 
 #include "video_core/renderer_vulkan/vk_texture_cache.h"
 
-#include "common/alignment.h"
 #include "common/assert.h"
 #include "common/common_types.h"
 #include "common/div_ceil.h"
@@ -24,9 +22,7 @@
 #include "video_core/host_shaders/resolve_conditional_render_comp_spv.h"
 #include "video_core/host_shaders/vulkan_quad_indexed_comp_spv.h"
 #include "video_core/host_shaders/vulkan_uint8_comp_spv.h"
-#include "video_core/host_shaders/block_linear_unswizzle_2d_buffer_comp_spv.h"
 #include "video_core/host_shaders/block_linear_unswizzle_3d_bcn_comp_spv.h"
-#include "video_core/host_shaders/block_linear_unswizzle_3d_buffer_comp_spv.h"
 #include "video_core/renderer_vulkan/vk_compute_pass.h"
 #include "video_core/surface.h"
 #include "video_core/renderer_vulkan/vk_descriptor_pool.h"
@@ -876,537 +872,4 @@ void BlockLinearUnswizzle3DPass::UnswizzleChunk(
     });
 }
 
-namespace {
-constexpr u32 BL2D_BINDING_INPUT_BUFFER = 0;
-constexpr u32 BL2D_BINDING_OUTPUT_BUFFER = 1;
-
-struct alignas(16) BlockLinearUnswizzle2DPushConstants {
-    std::array<u32, 3> dim;
-    u32 bytes_per_block_log2;
-    std::array<u32, 3> origin;
-    u32 layer_stride;
-    u32 block_size;
-    u32 x_shift;
-    u32 block_height;
-    u32 block_height_mask;
-};
-static_assert(sizeof(BlockLinearUnswizzle2DPushConstants) <= 128);
-
-constexpr std::array<VkDescriptorSetLayoutBinding, 2> BL2D_BINDINGS{{
-    {
-        .binding = BL2D_BINDING_INPUT_BUFFER,
-        .descriptorType = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
-        .descriptorCount = 1,
-        .stageFlags = VK_SHADER_STAGE_COMPUTE_BIT,
-        .pImmutableSamplers = nullptr,
-    },
-    {
-        .binding = BL2D_BINDING_OUTPUT_BUFFER,
-        .descriptorType = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
-        .descriptorCount = 1,
-        .stageFlags = VK_SHADER_STAGE_COMPUTE_BIT,
-        .pImmutableSamplers = nullptr,
-    },
-}};
-
-constexpr std::array<VkDescriptorUpdateTemplateEntry, 2> BL2D_TEMPLATE{{
-    {
-        .dstBinding = BL2D_BINDING_INPUT_BUFFER,
-        .dstArrayElement = 0,
-        .descriptorCount = 1,
-        .descriptorType = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
-        .offset = BL2D_BINDING_INPUT_BUFFER * sizeof(DescriptorUpdateEntry),
-        .stride = sizeof(DescriptorUpdateEntry),
-    },
-    {
-        .dstBinding = BL2D_BINDING_OUTPUT_BUFFER,
-        .dstArrayElement = 0,
-        .descriptorCount = 1,
-        .descriptorType = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
-        .offset = BL2D_BINDING_OUTPUT_BUFFER * sizeof(DescriptorUpdateEntry),
-        .stride = sizeof(DescriptorUpdateEntry),
-    },
-}};
-
-constexpr DescriptorBankInfo BL2D_BANK_INFO{
-    .uniform_buffers = 0,
-    .storage_buffers = 2,
-    .texture_buffers = 0,
-    .image_buffers = 0,
-    .textures = 0,
-    .images = 0,
-    .score = 2,
-};
-} // Anonymous namespace
-
-BlockLinearUnswizzle2DPass::BlockLinearUnswizzle2DPass(
-    const Device& device_, Scheduler& scheduler_, DescriptorPool& descriptor_pool_,
-    StagingBufferPool& staging_buffer_pool_,
-    ComputePassDescriptorQueue& compute_pass_descriptor_queue_)
-    : ComputePass(device_, scheduler_, descriptor_pool_, BL2D_BINDINGS, BL2D_TEMPLATE,
-                  BL2D_BANK_INFO,
-                  COMPUTE_PUSH_CONSTANT_RANGE<sizeof(BlockLinearUnswizzle2DPushConstants)>,
-                  BLOCK_LINEAR_UNSWIZZLE_2D_BUFFER_COMP_SPV),
-      scheduler{scheduler_}, staging_buffer_pool{staging_buffer_pool_},
-      compute_pass_descriptor_queue{compute_pass_descriptor_queue_} {}
-
-BlockLinearUnswizzle2DPass::~BlockLinearUnswizzle2DPass() = default;
-
-bool BlockLinearUnswizzle2DPass::IsSupported(const Device& device,
-                                             const VideoCommon::ImageInfo& info) {
-    if (info.type != VideoCommon::ImageType::e2D) {
-        return false;
-    }
-    if (info.num_samples > 1) {
-        return false;
-    }
-    if (device.GetStorageBufferAlignment() > Tegra::Texture::GOB_SIZE) {
-        return false;
-    }
-    if (VideoCore::Surface::GetFormatType(info.format) !=
-        VideoCore::Surface::SurfaceType::ColorTexture) {
-        return false;
-    }
-    if (VideoCore::Surface::IsPixelFormatASTC(info.format) && !device.IsOptimalAstcSupported()) {
-        return false;
-    }
-    if (VideoCore::Surface::IsPixelFormatBCn(info.format) && !device.IsOptimalBcnSupported()) {
-        return false;
-    }
-    const u32 bytes_per_block = VideoCore::Surface::BytesPerBlock(info.format);
-    return bytes_per_block == 4 || bytes_per_block == 8 || bytes_per_block == 16;
-}
-
-void BlockLinearUnswizzle2DPass::Unswizzle(
-    Image& image, const StagingBufferRef& swizzled,
-    std::span<const VideoCommon::SwizzleParameters> swizzles) {
-    UnswizzleFrom(image, swizzled.buffer, swizzled.offset, swizzles);
-}
-
-void BlockLinearUnswizzle2DPass::UnswizzleFrom(
-    Image& image, VkBuffer source_buffer, VkDeviceSize source_offset,
-    std::span<const VideoCommon::SwizzleParameters> swizzles) {
-    const VkImage dst_image = image.Handle();
-    if (swizzles.empty() || source_buffer == VK_NULL_HANDLE || dst_image == VK_NULL_HANDLE) {
-        return;
-    }
-    const u32 layers = image.info.resources.layers;
-    const VkImageAspectFlags aspect = image.AspectMask();
-
-    const VkDeviceSize output_alignment =
-        (std::max)(device.GetStorageBufferAlignment(), VkDeviceSize{16});
-    VkDeviceSize total_output = 0;
-    for (const VideoCommon::SwizzleParameters& sw : swizzles) {
-        const auto params =
-            VideoCommon::Accelerated::MakeBlockLinearSwizzle2DParams(sw, image.info);
-        const VkDeviceSize level_size = static_cast<VkDeviceSize>(sw.num_tiles.width) *
-                                        sw.num_tiles.height * layers *
-                                        (1ULL << params.bytes_per_block_log2);
-        if (level_size == 0) {
-            continue;
-        }
-        total_output = Common::AlignUp(total_output, output_alignment) + level_size;
-    }
-    if (total_output == 0) {
-        return;
-    }
-    const StagingBufferRef output =
-        staging_buffer_pool.Request(static_cast<size_t>(total_output), MemoryUsage::DeviceLocal);
-    const VkBuffer out_buffer = output.buffer;
-    if (out_buffer == VK_NULL_HANDLE) {
-        return;
-    }
-    VkDeviceSize level_offset = 0;
-
-    scheduler.RequestOutsideRenderPassOperationContext();
-
-    VkAccessFlags pre_access = VK_ACCESS_NONE;
-    VkImageLayout pre_layout = VK_IMAGE_LAYOUT_UNDEFINED;
-    VkPipelineStageFlags pre_stage = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
-    if (image.ExchangeInitialization()) {
-        pre_access = VK_ACCESS_SHADER_READ_BIT;
-        pre_layout = VK_IMAGE_LAYOUT_GENERAL;
-        pre_stage = vk::PIPELINE_STAGE_GRAPHICS_COMPUTE;
-    }
-    scheduler.Record([dst_image, aspect, pre_access, pre_layout,
-                      pre_stage](vk::CommandBuffer cmdbuf) {
-        const VkImageMemoryBarrier barrier{
-            .sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
-            .pNext = nullptr,
-            .srcAccessMask = pre_access,
-            .dstAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT,
-            .oldLayout = pre_layout,
-            .newLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
-            .srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
-            .dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
-            .image = dst_image,
-            .subresourceRange{
-                .aspectMask = aspect,
-                .baseMipLevel = 0,
-                .levelCount = VK_REMAINING_MIP_LEVELS,
-                .baseArrayLayer = 0,
-                .layerCount = VK_REMAINING_ARRAY_LAYERS,
-            },
-        };
-        cmdbuf.PipelineBarrier(pre_stage, VK_PIPELINE_STAGE_TRANSFER_BIT, 0, {}, {}, barrier);
-    });
-
-    for (const VideoCommon::SwizzleParameters& sw : swizzles) {
-        const auto params =
-            VideoCommon::Accelerated::MakeBlockLinearSwizzle2DParams(sw, image.info);
-        const u32 width = sw.num_tiles.width;
-        const u32 height = sw.num_tiles.height;
-        const u32 bytes_per_block = 1u << params.bytes_per_block_log2;
-        const VkDeviceSize output_size =
-            static_cast<VkDeviceSize>(width) * height * layers * bytes_per_block;
-        if (output_size == 0) {
-            continue;
-        }
-        const u32 level = static_cast<u32>(sw.level);
-        const u32 texel_width = (std::max)(1u, image.info.size.width >> level);
-        const u32 texel_height = (std::max)(1u, image.info.size.height >> level);
-
-        level_offset = Common::AlignUp(level_offset, output_alignment);
-        const VkDeviceSize out_offset = output.offset + level_offset;
-        level_offset += output_size;
-
-        BlockLinearUnswizzle2DPushConstants pc{};
-        pc.dim = {width, height, layers};
-        pc.bytes_per_block_log2 = params.bytes_per_block_log2;
-        pc.origin = params.origin;
-        pc.layer_stride = params.layer_stride;
-        pc.block_size = params.block_size;
-        pc.x_shift = params.x_shift;
-        pc.block_height = params.block_height;
-        pc.block_height_mask = params.block_height_mask;
-
-        compute_pass_descriptor_queue.Acquire(scheduler, 2);
-        compute_pass_descriptor_queue.AddBuffer(source_buffer, sw.buffer_offset + source_offset,
-                                                image.guest_size_bytes - sw.buffer_offset);
-        compute_pass_descriptor_queue.AddBuffer(out_buffer, out_offset, output_size);
-
-        const void* descriptor_data = compute_pass_descriptor_queue.UpdateData();
-        const VkDescriptorSet set = descriptor_allocator.Commit();
-
-        const u32 gx = Common::DivCeil(width, 16u);
-        const u32 gy = Common::DivCeil(height, 8u);
-
-        scheduler.Record([this, set, descriptor_data, pc, gx, gy, layers, output_size, out_buffer,
-                          out_offset, dst_image, aspect, texel_width, texel_height,
-                          level](vk::CommandBuffer cmdbuf) {
-            device.GetLogical().UpdateDescriptorSet(set, *descriptor_template, descriptor_data);
-            cmdbuf.BindPipeline(VK_PIPELINE_BIND_POINT_COMPUTE, *pipeline);
-            cmdbuf.BindDescriptorSets(VK_PIPELINE_BIND_POINT_COMPUTE, *layout, 0, set, {});
-            cmdbuf.PushConstants(*layout, VK_SHADER_STAGE_COMPUTE_BIT, 0, sizeof(pc), &pc);
-            cmdbuf.Dispatch(gx, gy, layers);
-
-            const VkBufferMemoryBarrier buffer_barrier{
-                .sType = VK_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER,
-                .pNext = nullptr,
-                .srcAccessMask = VK_ACCESS_SHADER_WRITE_BIT,
-                .dstAccessMask = VK_ACCESS_TRANSFER_READ_BIT,
-                .srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
-                .dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
-                .buffer = out_buffer,
-                .offset = out_offset,
-                .size = output_size,
-            };
-            cmdbuf.PipelineBarrier(VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT,
-                                   VK_PIPELINE_STAGE_TRANSFER_BIT, 0, {}, buffer_barrier, {});
-
-            const VkBufferImageCopy copy{
-                .bufferOffset = out_offset,
-                .bufferRowLength = 0,
-                .bufferImageHeight = 0,
-                .imageSubresource{
-                    .aspectMask = aspect,
-                    .mipLevel = level,
-                    .baseArrayLayer = 0,
-                    .layerCount = layers,
-                },
-                .imageOffset = {0, 0, 0},
-                .imageExtent = {texel_width, texel_height, 1},
-            };
-            cmdbuf.CopyBufferToImage(out_buffer, dst_image, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
-                                     copy);
-        });
-    }
-
-    scheduler.Record([dst_image, aspect](vk::CommandBuffer cmdbuf) {
-        const VkImageMemoryBarrier barrier{
-            .sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
-            .pNext = nullptr,
-            .srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT,
-            .dstAccessMask = VK_ACCESS_SHADER_READ_BIT,
-            .oldLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
-            .newLayout = VK_IMAGE_LAYOUT_GENERAL,
-            .srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
-            .dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
-            .image = dst_image,
-            .subresourceRange{
-                .aspectMask = aspect,
-                .baseMipLevel = 0,
-                .levelCount = VK_REMAINING_MIP_LEVELS,
-                .baseArrayLayer = 0,
-                .layerCount = VK_REMAINING_ARRAY_LAYERS,
-            },
-        };
-        cmdbuf.PipelineBarrier(VK_PIPELINE_STAGE_TRANSFER_BIT,
-                               vk::PIPELINE_STAGE_GRAPHICS_COMPUTE, 0, {}, {}, barrier);
-    });
-}
-
-namespace {
-constexpr u32 BL3DB_BINDING_INPUT_BUFFER = 0;
-constexpr u32 BL3DB_BINDING_OUTPUT_BUFFER = 1;
-
-struct alignas(16) BlockLinearUnswizzle3DBufferPushConstants {
-    std::array<u32, 3> dim;
-    u32 bytes_per_block_log2;
-    std::array<u32, 3> origin;
-    u32 slice_size;
-    u32 block_size;
-    u32 x_shift;
-    u32 block_height;
-    u32 block_height_mask;
-    u32 block_depth;
-    u32 block_depth_mask;
-};
-static_assert(sizeof(BlockLinearUnswizzle3DBufferPushConstants) <= 128);
-
-constexpr std::array<VkDescriptorSetLayoutBinding, 2> BL3DB_BINDINGS{{
-    {
-        .binding = BL3DB_BINDING_INPUT_BUFFER,
-        .descriptorType = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
-        .descriptorCount = 1,
-        .stageFlags = VK_SHADER_STAGE_COMPUTE_BIT,
-        .pImmutableSamplers = nullptr,
-    },
-    {
-        .binding = BL3DB_BINDING_OUTPUT_BUFFER,
-        .descriptorType = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
-        .descriptorCount = 1,
-        .stageFlags = VK_SHADER_STAGE_COMPUTE_BIT,
-        .pImmutableSamplers = nullptr,
-    },
-}};
-
-constexpr std::array<VkDescriptorUpdateTemplateEntry, 2> BL3DB_TEMPLATE{{
-    {
-        .dstBinding = BL3DB_BINDING_INPUT_BUFFER,
-        .dstArrayElement = 0,
-        .descriptorCount = 1,
-        .descriptorType = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
-        .offset = BL3DB_BINDING_INPUT_BUFFER * sizeof(DescriptorUpdateEntry),
-        .stride = sizeof(DescriptorUpdateEntry),
-    },
-    {
-        .dstBinding = BL3DB_BINDING_OUTPUT_BUFFER,
-        .dstArrayElement = 0,
-        .descriptorCount = 1,
-        .descriptorType = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
-        .offset = BL3DB_BINDING_OUTPUT_BUFFER * sizeof(DescriptorUpdateEntry),
-        .stride = sizeof(DescriptorUpdateEntry),
-    },
-}};
-
-constexpr DescriptorBankInfo BL3DB_BANK_INFO{
-    .uniform_buffers = 0,
-    .storage_buffers = 2,
-    .texture_buffers = 0,
-    .image_buffers = 0,
-    .textures = 0,
-    .images = 0,
-    .score = 2,
-};
-} // Anonymous namespace
-
-BlockLinearUnswizzle3DBufferPass::BlockLinearUnswizzle3DBufferPass(
-    const Device& device_, Scheduler& scheduler_, DescriptorPool& descriptor_pool_,
-    StagingBufferPool& staging_buffer_pool_,
-    ComputePassDescriptorQueue& compute_pass_descriptor_queue_)
-    : ComputePass(device_, scheduler_, descriptor_pool_, BL3DB_BINDINGS, BL3DB_TEMPLATE,
-                  BL3DB_BANK_INFO,
-                  COMPUTE_PUSH_CONSTANT_RANGE<sizeof(BlockLinearUnswizzle3DBufferPushConstants)>,
-                  BLOCK_LINEAR_UNSWIZZLE_3D_BUFFER_COMP_SPV),
-      scheduler{scheduler_}, staging_buffer_pool{staging_buffer_pool_},
-      compute_pass_descriptor_queue{compute_pass_descriptor_queue_} {}
-
-BlockLinearUnswizzle3DBufferPass::~BlockLinearUnswizzle3DBufferPass() = default;
-
-bool BlockLinearUnswizzle3DBufferPass::IsSupported(const Device& device,
-                                                   const VideoCommon::ImageInfo& info) {
-    if (info.type != VideoCommon::ImageType::e3D) {
-        return false;
-    }
-    if (info.resources.levels != 1 || info.resources.layers != 1) {
-        return false;
-    }
-    if (info.num_samples > 1) {
-        return false;
-    }
-    if (info.size.depth <= 1) {
-        return false;
-    }
-    if (VideoCore::Surface::GetFormatType(info.format) !=
-        VideoCore::Surface::SurfaceType::ColorTexture) {
-        return false;
-    }
-    if (VideoCore::Surface::IsPixelFormatASTC(info.format)) {
-        return false;
-    }
-    if (VideoCore::Surface::IsPixelFormatBCn(info.format) && !device.IsOptimalBcnSupported()) {
-        return false;
-    }
-    const u32 bytes_per_block = VideoCore::Surface::BytesPerBlock(info.format);
-    return bytes_per_block == 4 || bytes_per_block == 8 || bytes_per_block == 16;
-}
-
-void BlockLinearUnswizzle3DBufferPass::Unswizzle(
-    Image& image, const StagingBufferRef& swizzled,
-    std::span<const VideoCommon::SwizzleParameters> swizzles) {
-    if (swizzles.empty()) {
-        return;
-    }
-
-    const VideoCommon::SwizzleParameters& sw = swizzles.front();
-    const auto params = VideoCommon::Accelerated::MakeBlockLinearSwizzle3DParams(sw, image.info);
-
-    const u32 blocks_x = sw.num_tiles.width;
-    const u32 blocks_y = sw.num_tiles.height;
-    const u32 blocks_z = sw.num_tiles.depth;
-    const u32 bytes_per_block = 1u << params.bytes_per_block_log2;
-    const VkDeviceSize output_size =
-        static_cast<VkDeviceSize>(blocks_x) * blocks_y * blocks_z * bytes_per_block;
-
-    const StagingBufferRef output =
-        staging_buffer_pool.Request(static_cast<size_t>(output_size), MemoryUsage::DeviceLocal);
-
-    BlockLinearUnswizzle3DBufferPushConstants pc{};
-    pc.dim = {blocks_x, blocks_y, blocks_z};
-    pc.bytes_per_block_log2 = params.bytes_per_block_log2;
-    pc.origin = params.origin;
-    pc.slice_size = params.slice_size;
-    pc.block_size = params.block_size;
-    pc.x_shift = params.x_shift;
-    pc.block_height = params.block_height;
-    pc.block_height_mask = params.block_height_mask;
-    pc.block_depth = params.block_depth;
-    pc.block_depth_mask = params.block_depth_mask;
-
-    scheduler.RequestOutsideRenderPassOperationContext();
-
-    compute_pass_descriptor_queue.Acquire(scheduler, 2);
-    compute_pass_descriptor_queue.AddBuffer(swizzled.buffer, sw.buffer_offset + swizzled.offset,
-                                            image.guest_size_bytes - sw.buffer_offset);
-    compute_pass_descriptor_queue.AddBuffer(output.buffer, output.offset, output_size);
-
-    const void* descriptor_data = compute_pass_descriptor_queue.UpdateData();
-    const VkDescriptorSet set = descriptor_allocator.Commit();
-
-    const u32 gx = Common::DivCeil(blocks_x, 8u);
-    const u32 gy = Common::DivCeil(blocks_y, 8u);
-    const u32 gz = Common::DivCeil(blocks_z, 4u);
-    const bool is_initialized = image.ExchangeInitialization();
-
-    const VkBuffer out_buffer = output.buffer;
-    const VkDeviceSize out_offset = output.offset;
-    const VkImage dst_image = image.Handle();
-    const VkImageAspectFlags aspect = image.AspectMask();
-    const VkExtent3D extent{
-        .width = image.info.size.width,
-        .height = image.info.size.height,
-        .depth = image.info.size.depth,
-    };
-
-    scheduler.Record([this, set, descriptor_data, pc, gx, gy, gz, output_size, out_buffer,
-                      out_offset, dst_image, aspect, extent,
-                      is_initialized](vk::CommandBuffer cmdbuf) {
-        if (dst_image == VK_NULL_HANDLE || out_buffer == VK_NULL_HANDLE) {
-            return;
-        }
-        device.GetLogical().UpdateDescriptorSet(set, *descriptor_template, descriptor_data);
-        cmdbuf.BindPipeline(VK_PIPELINE_BIND_POINT_COMPUTE, *pipeline);
-        cmdbuf.BindDescriptorSets(VK_PIPELINE_BIND_POINT_COMPUTE, *layout, 0, set, {});
-        cmdbuf.PushConstants(*layout, VK_SHADER_STAGE_COMPUTE_BIT, 0, sizeof(pc), &pc);
-        cmdbuf.Dispatch(gx, gy, gz);
-
-        const VkBufferMemoryBarrier buffer_barrier{
-            .sType = VK_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER,
-            .pNext = nullptr,
-            .srcAccessMask = VK_ACCESS_SHADER_WRITE_BIT,
-            .dstAccessMask = VK_ACCESS_TRANSFER_READ_BIT,
-            .srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
-            .dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
-            .buffer = out_buffer,
-            .offset = out_offset,
-            .size = output_size,
-        };
-        VkAccessFlags pre_copy_access = VK_ACCESS_NONE;
-        VkImageLayout pre_copy_layout = VK_IMAGE_LAYOUT_UNDEFINED;
-        VkPipelineStageFlags pre_copy_stage = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
-        if (is_initialized) {
-            pre_copy_access = VK_ACCESS_SHADER_READ_BIT;
-            pre_copy_layout = VK_IMAGE_LAYOUT_GENERAL;
-            pre_copy_stage = vk::PIPELINE_STAGE_GRAPHICS_COMPUTE;
-        }
-        const VkImageMemoryBarrier pre_copy{
-            .sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
-            .pNext = nullptr,
-            .srcAccessMask = pre_copy_access,
-            .dstAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT,
-            .oldLayout = pre_copy_layout,
-            .newLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
-            .srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
-            .dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
-            .image = dst_image,
-            .subresourceRange{
-                .aspectMask = aspect,
-                .baseMipLevel = 0,
-                .levelCount = VK_REMAINING_MIP_LEVELS,
-                .baseArrayLayer = 0,
-                .layerCount = VK_REMAINING_ARRAY_LAYERS,
-            },
-        };
-        cmdbuf.PipelineBarrier(VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT | pre_copy_stage,
-                               VK_PIPELINE_STAGE_TRANSFER_BIT, 0, {}, buffer_barrier, pre_copy);
-
-        const VkBufferImageCopy copy{
-            .bufferOffset = out_offset,
-            .bufferRowLength = 0,
-            .bufferImageHeight = 0,
-            .imageSubresource{
-                .aspectMask = aspect,
-                .mipLevel = 0,
-                .baseArrayLayer = 0,
-                .layerCount = 1,
-            },
-            .imageOffset = {0, 0, 0},
-            .imageExtent = extent,
-        };
-        cmdbuf.CopyBufferToImage(out_buffer, dst_image, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, copy);
-
-        const VkImageMemoryBarrier post_copy{
-            .sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
-            .pNext = nullptr,
-            .srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT,
-            .dstAccessMask = VK_ACCESS_SHADER_READ_BIT,
-            .oldLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
-            .newLayout = VK_IMAGE_LAYOUT_GENERAL,
-            .srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
-            .dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
-            .image = dst_image,
-            .subresourceRange{
-                .aspectMask = aspect,
-                .baseMipLevel = 0,
-                .levelCount = VK_REMAINING_MIP_LEVELS,
-                .baseArrayLayer = 0,
-                .layerCount = VK_REMAINING_ARRAY_LAYERS,
-            },
-        };
-        cmdbuf.PipelineBarrier(VK_PIPELINE_STAGE_TRANSFER_BIT, vk::PIPELINE_STAGE_GRAPHICS_COMPUTE,
-                               0, {}, {}, post_copy);
-    });
-}
-
 } // namespace Vulkan

src/video_core/renderer_vulkan/vk_compute_pass.h

@@ -164,46 +164,4 @@ private:
     ComputePassDescriptorQueue& compute_pass_descriptor_queue;
 };
 
-class BlockLinearUnswizzle2DPass final : public ComputePass {
-public:
-    explicit BlockLinearUnswizzle2DPass(const Device& device_, Scheduler& scheduler_,
-                                        DescriptorPool& descriptor_pool_,
-                                        StagingBufferPool& staging_buffer_pool_,
-                                        ComputePassDescriptorQueue& compute_pass_descriptor_queue_);
-    ~BlockLinearUnswizzle2DPass();
-
-    [[nodiscard]] static bool IsSupported(const Device& device,
-                                          const VideoCommon::ImageInfo& info);
-
-    void Unswizzle(Image& image, const StagingBufferRef& swizzled,
-                   std::span<const VideoCommon::SwizzleParameters> swizzles);
-
-    void UnswizzleFrom(Image& image, VkBuffer source_buffer, VkDeviceSize source_offset,
-                       std::span<const VideoCommon::SwizzleParameters> swizzles);
-
-private:
-    Scheduler& scheduler;
-    StagingBufferPool& staging_buffer_pool;
-    ComputePassDescriptorQueue& compute_pass_descriptor_queue;
-};
-
-class BlockLinearUnswizzle3DBufferPass final : public ComputePass {
-public:
-    explicit BlockLinearUnswizzle3DBufferPass(
-        const Device& device_, Scheduler& scheduler_, DescriptorPool& descriptor_pool_,
-        StagingBufferPool& staging_buffer_pool_,
-        ComputePassDescriptorQueue& compute_pass_descriptor_queue_);
-    ~BlockLinearUnswizzle3DBufferPass();
-
-    [[nodiscard]] static bool IsSupported(const Device& device, const VideoCommon::ImageInfo& info);
-
-    void Unswizzle(Image& image, const StagingBufferRef& swizzled,
-                   std::span<const VideoCommon::SwizzleParameters> swizzles);
-
-private:
-    Scheduler& scheduler;
-    StagingBufferPool& staging_buffer_pool;
-    ComputePassDescriptorQueue& compute_pass_descriptor_queue;
-};
-
 } // namespace Vulkan

src/video_core/renderer_vulkan/vk_pipeline_cache.cpp

@@ -404,6 +404,8 @@ PipelineCache::PipelineCache(Tegra::MaxwellDeviceMemoryManager& device_memory_,
             device.IsWorkgroupMemoryExplicitLayout8BitAccessSupported(),
         .support_workgroup_layout_16bit_access =
             device.IsWorkgroupMemoryExplicitLayout16BitAccessSupported(),
+        .support_shader_quad_control = device.IsKhrShaderQuadControlSupported(),
+        .support_quad_shuffles = device.IsSubgroupFeatureSupported(VK_SUBGROUP_FEATURE_QUAD_BIT),
         .support_vote = device.IsSubgroupFeatureSupported(VK_SUBGROUP_FEATURE_VOTE_BIT),
         .supported_subgroup_stages = supported_subgroup_stages,
         .support_viewport_index_layer_non_geometry =
@@ -447,7 +449,6 @@ PipelineCache::PipelineCache(Tegra::MaxwellDeviceMemoryManager& device_memory_,
         .has_broken_fp32_denorm_flush = driver_id == VK_DRIVER_ID_QUALCOMM_PROPRIETARY,
         .ignore_nan_fp_comparisons = false,
         .has_broken_spirv_subgroup_mask_vector_extract_dynamic = false,
-        .max_shared_memory_size = device.GetMaxComputeSharedMemorySize(),
         .has_broken_robust =
             device.IsNvidia() && device.GetNvidiaArch() <= NvidiaArchitecture::Arch_Pascal,
         .min_ssbo_alignment = device.GetStorageBufferAlignment(),
@@ -923,6 +924,19 @@ std::unique_ptr<ComputePipeline> PipelineCache::CreateComputePipeline(
     }
 
     auto program{TranslateProgram(pools.inst, pools.block, env, cfg, host_info)};
+    const VkDriverIdKHR driver_id = device.GetDriverID();
+    const bool needs_shared_mem_clamp =
+        driver_id == VK_DRIVER_ID_QUALCOMM_PROPRIETARY ||
+        driver_id == VK_DRIVER_ID_ARM_PROPRIETARY;
+    const u32 max_shared_memory = device.GetMaxComputeSharedMemorySize();
+    if (needs_shared_mem_clamp && program.shared_memory_size > max_shared_memory) {
+        LOG_WARNING(Render_Vulkan,
+                    "Compute shader {:#016x} requests {}KB shared memory but device max is {}KB - clamping",
+                    key.unique_hash,
+                    program.shared_memory_size / 1024,
+                    max_shared_memory / 1024);
+        program.shared_memory_size = max_shared_memory;
+    }
     const std::vector<u32> code{EmitSPIRV(profile, program)};
     device.SaveShader(code);
     vk::ShaderModule spv_module{BuildShader(device, code)};

src/video_core/renderer_vulkan/vk_rasterizer.cpp

@@ -225,13 +225,6 @@ RasterizerVulkan::RasterizerVulkan(Core::Frontend::EmuWindow& emu_window_, Tegra
       fence_manager(*this, gpu, texture_cache, buffer_cache, query_cache, device, scheduler),
       wfi_event(device.GetLogical().CreateEvent()) {
     scheduler.SetQueryCache(query_cache);
-    if (Settings::values.use_unified_memory.GetValue() && device_memory.IsBackingShared()) {
-        buffer_cache_runtime.TryEnableUnifiedMemory(
-            device_memory.GetPhysicalBase(), device_memory.GetPhysicalSize(),
-            device_memory.GetBackingHardwareBuffers(),
-            device_memory.GetBackingHardwareBufferWindowSize(),
-            device_memory.GetBackingHardwareBufferBase());
-    }
 }
 
 RasterizerVulkan::~RasterizerVulkan() {

src/video_core/renderer_vulkan/vk_scheduler.h

@@ -129,10 +129,6 @@ public:
         return master_semaphore->IsFree(tick);
     }
 
-    void RefreshTick() {
-        master_semaphore->Refresh();
-    }
-
     /// Waits for the given GPU tick, optionally pacing frames.
     void Wait(u64 tick, double target_fps = 0.0) {
         if (tick > 0) {

src/video_core/renderer_vulkan/vk_texture_cache.cpp

@@ -968,10 +968,6 @@ TextureCacheRuntime::TextureCacheRuntime(const Device& device_, Scheduler& sched
         bl3d_unswizzle_pass.emplace(device, scheduler, descriptor_pool,
                                    staging_buffer_pool, compute_pass_descriptor_queue);
     }
-    bl2d_unswizzle_pass.emplace(device, scheduler, descriptor_pool, staging_buffer_pool,
-                                compute_pass_descriptor_queue);
-    bl3db_unswizzle_pass.emplace(device, scheduler, descriptor_pool, staging_buffer_pool,
-                                 compute_pass_descriptor_queue);
 }
 
 void TextureCacheRuntime::Finish() {
@@ -1898,12 +1894,6 @@ Image::Image(TextureCacheRuntime& runtime_, const ImageInfo& info_, GPUVAddr gpu
         }
         flags |= VideoCommon::ImageFlagBits::Converted;
         flags |= VideoCommon::ImageFlagBits::CostlyLoad;
-    } else if (runtime->bl2d_unswizzle_pass &&
-               BlockLinearUnswizzle2DPass::IsSupported(runtime->device, info)) {
-        flags |= VideoCommon::ImageFlagBits::AcceleratedUpload;
-    } else if (runtime->bl3db_unswizzle_pass &&
-               BlockLinearUnswizzle3DBufferPass::IsSupported(runtime->device, info)) {
-        flags |= VideoCommon::ImageFlagBits::AcceleratedUpload;
     }
     if (IsPixelFormatBCn(info.format) && !runtime->device.IsOptimalBcnSupported()) {
         flags |= VideoCommon::ImageFlagBits::Converted;
@@ -3147,19 +3137,10 @@ void TextureCacheRuntime::AccelerateImageUpload(
     std::span<const VideoCommon::SwizzleParameters> swizzles,
     u32 z_start, u32 z_count) {
 
-    if (astc_decoder_pass && WillUseAcceleratedAstcDecode(device, image.info)) {
+    if (IsPixelFormatASTC(image.info.format)) {
         return astc_decoder_pass->Assemble(image, map, swizzles);
     }
 
-    if (bl2d_unswizzle_pass && BlockLinearUnswizzle2DPass::IsSupported(device, image.info)) {
-        return bl2d_unswizzle_pass->Unswizzle(image, map, swizzles);
-    }
-
-    if (bl3db_unswizzle_pass && z_count == 0 &&
-        BlockLinearUnswizzle3DBufferPass::IsSupported(device, image.info)) {
-        return bl3db_unswizzle_pass->Unswizzle(image, map, swizzles);
-    }
-
     if (!Settings::values.gpu_unswizzle_enabled.GetValue() || !bl3d_unswizzle_pass) {
         if (IsPixelFormatBCn(image.info.format) && image.info.type == ImageType::e3D) {
             ASSERT(false && "GPU unswizzle is disabled for BCn 3D texture");
@@ -3175,74 +3156,6 @@ void TextureCacheRuntime::AccelerateImageUpload(
     ASSERT(false);
 }
 
-bool TextureCacheRuntime::IsUnifiedMemoryBindable() const noexcept {
-    const HostMemoryImport* const import = memory_allocator.GetHostMemoryImport();
-    return import != nullptr && import->IsValid() && import->IsBindable();
-}
-
-u64 TextureCacheRuntime::UnifiedMemoryBase() const noexcept {
-    const HostMemoryImport* const import = memory_allocator.GetHostMemoryImport();
-    if (import == nullptr) {
-        return 0;
-    }
-    return import->GetBaseOffset();
-}
-
-u64 TextureCacheRuntime::UnifiedMemorySize() const noexcept {
-    const HostMemoryImport* const import = memory_allocator.GetHostMemoryImport();
-    if (import == nullptr) {
-        return 0;
-    }
-    return import->GetSize();
-}
-
-u64 TextureCacheRuntime::UnifiedMemoryWindowSize() const noexcept {
-    const HostMemoryImport* const import = memory_allocator.GetHostMemoryImport();
-    if (import == nullptr) {
-        return 0;
-    }
-    return import->GetWindowSize();
-}
-
-bool TextureCacheRuntime::CanUploadImageDirectly(const VideoCommon::ImageInfo& info) const {
-    return bl2d_unswizzle_pass.has_value() &&
-           BlockLinearUnswizzle2DPass::IsSupported(device, info);
-}
-
-bool TextureCacheRuntime::UploadImageDirectly(
-    Image& image, size_t window_index, u64 window_offset,
-    std::span<const VideoCommon::SwizzleParameters> swizzles) {
-    if ((window_offset % device.GetStorageBufferAlignment()) != 0) {
-        return false;
-    }
-    if (image.guest_size_bytes > device.GetMaxStorageBufferRange()) {
-        return false;
-    }
-    const HostMemoryImport* const import = memory_allocator.GetHostMemoryImport();
-    if (import == nullptr || window_index >= import->GetWindowCount()) {
-        return false;
-    }
-    const VkBuffer window_buffer = import->GetWindowBuffer(window_index);
-    if (window_buffer == VK_NULL_HANDLE) {
-        return false;
-    }
-    bl2d_unswizzle_pass->UnswizzleFrom(image, window_buffer,
-                                       static_cast<VkDeviceSize>(window_offset), swizzles);
-    return true;
-}
-
-u64 TextureCacheRuntime::CurrentTick() const noexcept {
-    return scheduler.CurrentTick();
-}
-
-bool TextureCacheRuntime::IsDirectUploadRetired(u64 tick) {
-    if (scheduler.IsFree(tick)) {
-        return true;
-    }
-    scheduler.RefreshTick();
-    return scheduler.IsFree(tick);
-}
-
 void TextureCacheRuntime::TransitionImageLayout(Image& image) {
     if (!image.ExchangeInitialization()) {
         VkImageMemoryBarrier barrier{

src/video_core/renderer_vulkan/vk_texture_cache.h

@@ -101,23 +101,6 @@ public:
                                std::span<const VideoCommon::SwizzleParameters>,
                                u32 z_start, u32 z_count);
 
-    [[nodiscard]] bool IsUnifiedMemoryBindable() const noexcept;
-
-    [[nodiscard]] u64 UnifiedMemoryBase() const noexcept;
-
-    [[nodiscard]] u64 UnifiedMemorySize() const noexcept;
-
-    [[nodiscard]] u64 UnifiedMemoryWindowSize() const noexcept;
-
-    [[nodiscard]] bool CanUploadImageDirectly(const VideoCommon::ImageInfo& info) const;
-
-    bool UploadImageDirectly(Image& image, size_t window_index, u64 window_offset,
-                             std::span<const VideoCommon::SwizzleParameters> swizzles);
-
-    [[nodiscard]] u64 CurrentTick() const noexcept;
-
-    [[nodiscard]] bool IsDirectUploadRetired(u64 tick);
-
     void InsertUploadMemoryBarrier() {}
 
     void TransitionImageLayout(Image& image);
@@ -176,8 +159,6 @@ public:
     std::optional<ASTCDecoderPass> astc_decoder_pass;
 
     std::optional<BlockLinearUnswizzle3DPass> bl3d_unswizzle_pass;
-    std::optional<BlockLinearUnswizzle2DPass> bl2d_unswizzle_pass;
-    std::optional<BlockLinearUnswizzle3DBufferPass> bl3db_unswizzle_pass;
     const Settings::ResolutionScalingInfo& resolution;
     std::array<std::vector<VkFormat>, VideoCore::Surface::MaxPixelFormat> view_formats;
 
@@ -605,7 +586,6 @@ struct TextureCacheParams {
     static constexpr bool HAS_DEVICE_MEMORY_INFO = true;
     static constexpr bool IMPLEMENTS_ASYNC_DOWNLOADS = true;
     static constexpr bool HAS_MSAA_DOWNLOADS = true;
-    static constexpr bool USE_UNIFIED_MEMORY = true;
 
     using Runtime = Vulkan::TextureCacheRuntime;
     using Image = Vulkan::Image;

src/video_core/texture_cache/image_base.h

@@ -95,8 +95,6 @@ struct ImageBase {
     u32 scale_rating = 0;
     u64 scale_tick = 0;
     bool has_scaled = false;
-    u64 direct_upload_tick = 0;
-    bool direct_upload_blocked = false;
 
     size_t channel = 0;
 

src/video_core/texture_cache/texture_cache.h

@@ -119,16 +119,13 @@ void TextureCache<P>::RunGarbageCollector() {
     bool aggressive_mode = false;
     u64 ticks_to_destroy = 0;
     size_t num_iterations = 0;
-    size_t num_downloads = 0;
     const auto Configure = [&](bool allow_aggressive) {
         high_priority_mode = total_used_memory >= expected_memory;
         aggressive_mode = allow_aggressive && total_used_memory >= critical_memory;
         ticks_to_destroy = aggressive_mode ? 10ULL : high_priority_mode ? 25ULL : 50ULL;
         num_iterations = aggressive_mode ? 40 : (high_priority_mode ? 20 : 10);
-        num_downloads = MAX_GC_DOWNLOADS_PER_PASS;
     };
-    const auto Cleanup = [this, &num_iterations, &num_downloads, &high_priority_mode,
-                          &aggressive_mode](ImageId image_id) {
+    const auto Cleanup = [this, &num_iterations, &high_priority_mode, &aggressive_mode](ImageId image_id) {
         if (num_iterations == 0) {
             return true;
         }
@@ -142,10 +139,6 @@ void TextureCache<P>::RunGarbageCollector() {
             return false;
         }
         if (must_download) {
-            if (num_downloads == 0) {
-                return false;
-            }
-            --num_downloads;
             auto map = runtime.DownloadStagingBuffer(image.unswizzled_size_bytes);
             const auto copies = FixSmallVectorADL(FullDownloadCopies(image.info));
             image.DownloadMemory(map, copies);
@@ -592,15 +585,6 @@ FramebufferId TextureCache<P>::GetFramebufferId(const RenderTargets& key) {
 template <class P>
 void TextureCache<P>::WriteMemory(DAddr cpu_addr, size_t size) {
     ForEachImageInRegion(cpu_addr, size, [this](ImageId image_id, Image& image) {
-        if constexpr (USE_UNIFIED_MEMORY) {
-            if (image.direct_upload_tick != 0) {
-                const u64 upload_tick = image.direct_upload_tick;
-                image.direct_upload_tick = 0;
-                if (!runtime.IsDirectUploadRetired(upload_tick)) {
-                    image.direct_upload_blocked = true;
-                }
-            }
-        }
         if (True(image.flags & ImageFlagBits::CpuModified)) {
             return;
         }
@@ -1161,59 +1145,11 @@ void TextureCache<P>::RefreshContents(Image& image, ImageId image_id) {
         QueueAsyncUnswizzle(image, image_id);
         return;
     }
-    if (True(image.flags & ImageFlagBits::AcceleratedUpload) &&
-        TryUploadFromUnifiedMemory(image)) {
-        runtime.InsertUploadMemoryBarrier();
-        return;
-    }
     auto staging = runtime.UploadStagingBuffer(MapSizeBytes(image));
     UploadImageContents(image, staging);
     runtime.InsertUploadMemoryBarrier();
 }
 
-template <class P>
-bool TextureCache<P>::TryUploadFromUnifiedMemory([[maybe_unused]] Image& image) {
-    if constexpr (USE_UNIFIED_MEMORY) {
-        if (image.direct_upload_blocked || image.guest_size_bytes == 0) {
-            return false;
-        }
-        if (!runtime.IsUnifiedMemoryBindable() || !runtime.CanUploadImageDirectly(image.info)) {
-            return false;
-        }
-        const u64 window_size = runtime.UnifiedMemoryWindowSize();
-        if (window_size == 0) {
-            return false;
-        }
-        const u8* const first = gpu_memory->GetSpan(image.gpu_addr, image.guest_size_bytes);
-        if (first == nullptr) {
-            return false;
-        }
-        const u64 phys_offset = static_cast<u64>(first - device_memory.GetPhysicalBase());
-        const u64 unified_base = runtime.UnifiedMemoryBase();
-        if (phys_offset < unified_base) {
-            return false;
-        }
-        const u64 relative = phys_offset - unified_base;
-        const u64 unified_size = runtime.UnifiedMemorySize();
-        if (relative >= unified_size || unified_size - relative < image.guest_size_bytes) {
-            return false;
-        }
-        const u64 local_offset = relative % window_size;
-        if (window_size - local_offset < image.guest_size_bytes) {
-            return false;
-        }
-        const auto swizzles = FullUploadSwizzles(image.info);
-        if (!runtime.UploadImageDirectly(image, static_cast<size_t>(relative / window_size),
-                                         local_offset, FixSmallVectorADL(swizzles))) {
-            return false;
-        }
-        image.direct_upload_tick = runtime.CurrentTick();
-        return true;
-    } else {
-        return false;
-    }
-}
-
 template <class P>
 template <typename StagingBuffer>
 void TextureCache<P>::UploadImageContents(Image& image, StagingBuffer& staging) {

src/video_core/texture_cache/texture_cache_base.h

@@ -108,7 +108,6 @@ class TextureCache : public VideoCommon::ChannelSetupCaches<TextureCacheChannelI
     static constexpr bool HAS_DEVICE_MEMORY_INFO = P::HAS_DEVICE_MEMORY_INFO;
     /// True when the API can do asynchronous texture downloads.
     static constexpr bool IMPLEMENTS_ASYNC_DOWNLOADS = P::IMPLEMENTS_ASYNC_DOWNLOADS;
-    static constexpr bool USE_UNIFIED_MEMORY = P::USE_UNIFIED_MEMORY;
 
     static constexpr size_t UNSET_CHANNEL{(std::numeric_limits<size_t>::max)()};
 
@@ -121,7 +120,6 @@ class TextureCache : public VideoCommon::ChannelSetupCaches<TextureCacheChannelI
     static constexpr s64 DEFAULT_EXPECTED_MEMORY = 1_GiB + 125_MiB;
     static constexpr s64 DEFAULT_CRITICAL_MEMORY = 1_GiB + 625_MiB;
     static constexpr size_t GC_EMERGENCY_COUNTS = 2;
-    static constexpr size_t MAX_GC_DOWNLOADS_PER_PASS = 4;
 
     using Runtime = typename P::Runtime;
     using Image = typename P::Image;
@@ -309,8 +307,6 @@ private:
 
     void RefreshContents(Image& image, ImageId image_id);
 
-    bool TryUploadFromUnifiedMemory(Image& image);
-
     /// Upload data from guest to an image
     template <typename StagingBuffer>
     void UploadImageContents(Image& image, StagingBuffer& staging_buffer);

src/video_core/vulkan_common/vulkan_device.cpp

@@ -16,7 +16,6 @@
 #include <fmt/format.h>
 
 #include "common/assert.h"
-#include "common/host_memory.h"
 #include "common/literals.h"
 #include <ranges>
 #include "common/settings.h"
@@ -945,7 +944,6 @@ bool Device::GetSuitability(bool requires_swapchain) {
 
     FOR_EACH_VK_FEATURE_EXT(FEATURE_EXTENSION);
     FOR_EACH_VK_EXTENSION(EXTENSION);
-    FOR_EACH_VK_PLATFORM_EXTENSION(EXTENSION);
 
     extensions.depth_stencil_resolve =
         extensions.depth_stencil_resolve &&
@@ -964,13 +962,6 @@ bool Device::GetSuitability(bool requires_swapchain) {
         extensions.robustness_2 = false;
     }
 
-#ifdef __ANDROID__
-    if (extensions.external_memory_ahb && !extensions.queue_family_foreign) {
-        loaded_extensions.erase(VK_ANDROID_EXTERNAL_MEMORY_ANDROID_HARDWARE_BUFFER_EXTENSION_NAME);
-        extensions.external_memory_ahb = false;
-    }
-#endif
-
 #undef FEATURE_EXTENSION
 #undef EXTENSION
 
@@ -1137,21 +1128,6 @@ bool Device::GetSuitability(bool requires_swapchain) {
             VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_CUSTOM_BORDER_COLOR_PROPERTIES_EXT;
         SetNext(next, properties.custom_border_color);
     }
-    if (extensions.external_memory_host) {
-        properties.external_memory_host.sType =
-            VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_EXTERNAL_MEMORY_HOST_PROPERTIES_EXT;
-        SetNext(next, properties.external_memory_host);
-    }
-    if (extensions.maintenance3 || instance_version >= VK_API_VERSION_1_1) {
-        properties.maintenance3.sType =
-            VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_MAINTENANCE_3_PROPERTIES;
-        SetNext(next, properties.maintenance3);
-    }
-    if (extensions.maintenance4 || features.maintenance4.maintenance4) {
-        properties.maintenance4.sType =
-            VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_MAINTENANCE_4_PROPERTIES;
-        SetNext(next, properties.maintenance4);
-    }
 
     // Perform the property fetch.
     physical.GetProperties2(properties2);
@@ -1410,6 +1386,11 @@ void Device::RemoveUnsuitableExtensions() {
                                VK_KHR_PIPELINE_EXECUTABLE_PROPERTIES_EXTENSION_NAME);
     }
 
+    // VK_KHR_shader_quad_control
+    extensions.shader_quad_control = features.shader_quad_control.shaderQuadControl;
+    RemoveExtensionFeatureIfUnsuitable(extensions.shader_quad_control, features.shader_quad_control,
+                                       VK_KHR_SHADER_QUAD_CONTROL_EXTENSION_NAME);
+
     // VK_KHR_workgroup_memory_explicit_layout
     extensions.workgroup_memory_explicit_layout =
         features.workgroup_memory_explicit_layout.workgroupMemoryExplicitLayout &&
@@ -1539,27 +1520,12 @@ void Device::CollectPhysicalMemoryInfo() {
     device_access_memory = 0;
     u64 device_initial_usage = 0;
     u64 local_memory = 0;
-    const auto heap_has_usable_type = [&mem_properties](size_t heap) {
-        for (u32 index = 0; index < mem_properties.memoryTypeCount; ++index) {
-            if (mem_properties.memoryTypes[index].heapIndex != heap) {
-                continue;
-            }
-            if ((mem_properties.memoryTypes[index].propertyFlags &
-                 VK_MEMORY_PROPERTY_PROTECTED_BIT) == 0) {
-                return true;
-            }
-        }
-        return false;
-    };
     for (size_t element = 0; element < num_properties; ++element) {
         const bool is_heap_local =
             (mem_properties.memoryHeaps[element].flags & VK_MEMORY_HEAP_DEVICE_LOCAL_BIT) != 0;
         if (!is_integrated && !is_heap_local) {
             continue;
         }
-        if (!heap_has_usable_type(element)) {
-            continue;
-        }
         valid_heap_memory.push_back(element);
         if (is_heap_local) {
             local_memory += mem_properties.memoryHeaps[element].size;
@@ -1571,12 +1537,6 @@ void Device::CollectPhysicalMemoryInfo() {
         }
         device_access_memory += mem_properties.memoryHeaps[element].size;
     }
-    const u64 committed_backing = Common::GetCommittedBackingSize();
-    if (committed_backing != 0) {
-        LOG_INFO(Render_Vulkan, "Discounting {} MiB of guest memory committed by the host",
-                 committed_backing >> 20);
-        local_memory -= (std::min)(local_memory, committed_backing);
-    }
     if (is_integrated) {
         const s64 available_memory = static_cast<s64>(device_access_memory - device_initial_usage);
         const u64 memory_size = Settings::values.vram_usage_mode.GetValue() == Settings::VramUsageMode::Aggressive ? 6_GiB : 4_GiB;
@@ -1591,7 +1551,6 @@ void Device::CollectPhysicalMemoryInfo() {
             device_access_memory = std::min<u64>(device_access_memory, normal_memory + scaler_memory);
         }
     }
-    device_access_memory -= (std::min)(device_access_memory, committed_backing);
 }
 
 void Device::CollectToolingInfo() {

src/video_core/vulkan_common/vulkan_device.h

@@ -75,6 +75,7 @@ VK_DEFINE_HANDLE(VmaAllocator)
     FEATURE(KHR, Maintenance6, MAINTENANCE_6, maintenance6)                                        \
     FEATURE(KHR, PipelineExecutableProperties, PIPELINE_EXECUTABLE_PROPERTIES,                     \
             pipeline_executable_properties)                                                        \
+    FEATURE(KHR, ShaderQuadControl, SHADER_QUAD_CONTROL, shader_quad_control)                      \
     FEATURE(KHR, WorkgroupMemoryExplicitLayout, WORKGROUP_MEMORY_EXPLICIT_LAYOUT,                  \
             workgroup_memory_explicit_layout)
 
@@ -85,7 +86,6 @@ VK_DEFINE_HANDLE(VmaAllocator)
     EXTENSION(EXT, CONDITIONAL_RENDERING, conditional_rendering)                                   \
     EXTENSION(EXT, CONSERVATIVE_RASTERIZATION, conservative_rasterization)                         \
     EXTENSION(EXT, DEPTH_RANGE_UNRESTRICTED, depth_range_unrestricted)                             \
-    EXTENSION(EXT, EXTERNAL_MEMORY_HOST, external_memory_host)                                     \
     EXTENSION(EXT, MEMORY_BUDGET, memory_budget)                                                   \
     EXTENSION(EXT, ROBUSTNESS_2, robustness_2)                                                     \
     EXTENSION(EXT, SAMPLER_FILTER_MINMAX, sampler_filter_minmax)                                   \
@@ -117,14 +117,6 @@ VK_DEFINE_HANDLE(VmaAllocator)
     EXTENSION(IMG, FILTER_CUBIC, filter_cubic_img)                                                 \
     EXTENSION(QCOM, FILTER_CUBIC_WEIGHTS, filter_cubic_weights)
 
-#ifdef __ANDROID__
-#define FOR_EACH_VK_PLATFORM_EXTENSION(EXTENSION)                                                  \
-    EXTENSION(EXT, QUEUE_FAMILY_FOREIGN, queue_family_foreign)                                     \
-    EXTENSION(ANDROID, EXTERNAL_MEMORY_ANDROID_HARDWARE_BUFFER, external_memory_ahb)
-#else
-#define FOR_EACH_VK_PLATFORM_EXTENSION(EXTENSION)
-#endif
-
 // Define extensions which must be supported.
 #define FOR_EACH_VK_MANDATORY_EXTENSION(EXTENSION_NAME)                                            \
     EXTENSION_NAME(VK_EXT_VERTEX_ATTRIBUTE_DIVISOR_EXTENSION_NAME)                                 \
@@ -595,6 +587,11 @@ FN_MAX_LIMIT_LIST
                features.features.shaderInt16;
     }
 
+    /// Returns true if the device supports VK_KHR_shader_quad_control.
+    bool IsKhrShaderQuadControlSupported() const {
+        return extensions.shader_quad_control && features.shader_quad_control.shaderQuadControl;
+    }
+
     /// Returns true if the device supports VK_KHR_image_format_list.
     bool IsKhrImageFormatListSupported() const {
         return extensions.image_format_list || instance_version >= VK_API_VERSION_1_2;
@@ -886,30 +883,6 @@ FN_MAX_LIMIT_LIST
         return extensions.conditional_rendering;
     }
 
-    bool IsExtExternalMemoryHostSupported() const {
-        return extensions.external_memory_host;
-    }
-
-    bool IsExtExternalMemoryAhbSupported() const {
-#ifdef __ANDROID__
-        return extensions.external_memory_ahb && extensions.queue_family_foreign;
-#else
-        return false;
-#endif
-    }
-
-    u64 GetMinImportedHostPointerAlignment() const {
-        return properties.external_memory_host.minImportedHostPointerAlignment;
-    }
-
-    u64 GetMaxBufferSize() const {
-        return properties.maintenance4.maxBufferSize;
-    }
-
-    u64 GetMaxMemoryAllocationSize() const {
-        return properties.maintenance3.maxMemoryAllocationSize;
-    }
-
     bool IsExtAstcDecodeModeSupported() const {
         return extensions.astc_decode_mode;
     }
@@ -1176,7 +1149,6 @@ private:
         FOR_EACH_VK_FEATURE_1_4(FEATURE);
         FOR_EACH_VK_FEATURE_EXT(FEATURE);
         FOR_EACH_VK_EXTENSION(EXTENSION);
-        FOR_EACH_VK_PLATFORM_EXTENSION(EXTENSION);
 
 #undef EXTENSION
 #undef FEATURE
@@ -1208,12 +1180,9 @@ private:
         VkPhysicalDeviceDescriptorBufferPropertiesEXT descriptor_buffer{};
         VkPhysicalDeviceSubgroupSizeControlProperties subgroup_size_control{};
         VkPhysicalDeviceTransformFeedbackPropertiesEXT transform_feedback{};
-        VkPhysicalDeviceMaintenance3Properties maintenance3{};
-        VkPhysicalDeviceMaintenance4Properties maintenance4{};
         VkPhysicalDeviceMaintenance5PropertiesKHR maintenance5{};
         VkPhysicalDeviceDepthStencilResolveProperties depth_stencil_resolve{};
         VkPhysicalDeviceCustomBorderColorPropertiesEXT custom_border_color{};
-        VkPhysicalDeviceExternalMemoryHostPropertiesEXT external_memory_host{};
 
         VkPhysicalDeviceProperties properties{};
     };

src/video_core/vulkan_common/vulkan_memory_allocator.cpp

@@ -25,34 +25,9 @@
 #include "video_core/gpu_logging/gpu_logging.h"
 #include "common/settings.h"
 
-#ifdef __ANDROID__
-#include <android/hardware_buffer.h>
-#endif
-
 namespace Vulkan {
     namespace {
 
-        [[nodiscard]] std::optional<u32> FindImportMemoryType(
-                const VkPhysicalDeviceMemoryProperties &props, u32 type_mask) {
-            const auto find = [&](VkMemoryPropertyFlags wanted) -> std::optional<u32> {
-                for (u32 i = 0; i < props.memoryTypeCount; ++i) {
-                    if (((type_mask >> i) & 1u) != 0 &&
-                        (props.memoryTypes[i].propertyFlags & wanted) == wanted) {
-                        return i;
-                    }
-                }
-                return std::nullopt;
-            };
-            auto type_index = find(VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT |
-                                   VK_MEMORY_PROPERTY_HOST_COHERENT_BIT |
-                                   VK_MEMORY_PROPERTY_HOST_CACHED_BIT);
-            if (!type_index) {
-                type_index = find(VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT |
-                                  VK_MEMORY_PROPERTY_HOST_COHERENT_BIT);
-            }
-            return type_index;
-        }
-
 // Helpers translating MemoryUsage to flags/usage
 
         [[maybe_unused]] VkMemoryPropertyFlags MemoryUsagePropertyFlags(MemoryUsage usage) {
@@ -225,316 +200,6 @@ namespace Vulkan {
         size = 0;
     }
 
-    HostMemoryImport::HostMemoryImport(const Device &device_, void *base, size_t size,
-                                       std::span<AHardwareBuffer *const> hardware_buffers,
-                                       size_t hardware_buffer_window, size_t hardware_buffer_base)
-            : device{device_} {
-        if (ImportHardwareBuffers(hardware_buffers, hardware_buffer_window, hardware_buffer_base,
-                                  size)) {
-            return;
-        }
-        if (device.IsTiler()) {
-            return;
-        }
-        if (!hardware_buffers.empty()) {
-            return;
-        }
-        if (ImportHostPointer(base, size)) {
-            return;
-        }
-        LOG_INFO(Render_Vulkan, "Unified memory disabled, no host memory import path");
-    }
-
-    bool HostMemoryImport::ImportHostPointer(void *base, size_t size) {
-        if (!device.IsExtExternalMemoryHostSupported()) {
-            return false;
-        }
-        const u64 alignment = device.GetMinImportedHostPointerAlignment();
-        if (alignment == 0 || !Common::IsAligned(reinterpret_cast<uintptr_t>(base), alignment) ||
-            !Common::IsAligned(size, alignment)) {
-            return false;
-        }
-        using namespace Common::Literals;
-        constexpr VkDeviceSize DesktopWindowSize = 4_GiB;
-        VkDeviceSize candidate_window = DesktopWindowSize;
-        const u64 max_buffer_size = device.GetMaxBufferSize();
-        if (max_buffer_size != 0 && max_buffer_size < candidate_window) {
-            candidate_window = max_buffer_size;
-        }
-        const u64 max_allocation_size = device.GetMaxMemoryAllocationSize();
-        if (max_allocation_size != 0 && max_allocation_size < candidate_window) {
-            candidate_window = max_allocation_size;
-        }
-        candidate_window = Common::AlignDown(candidate_window, alignment);
-        if (candidate_window == 0) {
-            return false;
-        }
-        window_size = candidate_window;
-
-        const auto &logical = device.GetLogical();
-        const auto memory_props = device.GetPhysical().GetMemoryProperties().memoryProperties;
-
-        for (size_t offset = 0; offset < size; offset += window_size) {
-            u8 *const window_base = static_cast<u8 *>(base) + offset;
-            const VkDeviceSize window_len =
-                    (std::min)(static_cast<VkDeviceSize>(size - offset), window_size);
-            VkMemoryHostPointerPropertiesEXT host_props{
-                    .sType = VK_STRUCTURE_TYPE_MEMORY_HOST_POINTER_PROPERTIES_EXT,
-                    .pNext = nullptr,
-                    .memoryTypeBits = 0,
-            };
-            if (logical.GetMemoryHostPointerPropertiesEXT(
-                        VK_EXTERNAL_MEMORY_HANDLE_TYPE_HOST_ALLOCATION_BIT_EXT, window_base,
-                        &host_props) != VK_SUCCESS ||
-                host_props.memoryTypeBits == 0) {
-                break;
-            }
-            const VkExternalMemoryBufferCreateInfo external_info{
-                    .sType = VK_STRUCTURE_TYPE_EXTERNAL_MEMORY_BUFFER_CREATE_INFO,
-                    .pNext = nullptr,
-                    .handleTypes = VK_EXTERNAL_MEMORY_HANDLE_TYPE_HOST_ALLOCATION_BIT_EXT,
-            };
-            const VkBufferCreateInfo buffer_ci{
-                    .sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,
-                    .pNext = &external_info,
-                    .flags = 0,
-                    .size = window_len,
-                    .usage = VK_BUFFER_USAGE_TRANSFER_SRC_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT,
-                    .sharingMode = VK_SHARING_MODE_EXCLUSIVE,
-                    .queueFamilyIndexCount = 0,
-                    .pQueueFamilyIndices = nullptr,
-            };
-            VkBuffer new_buffer{};
-            if (logical.CreateBufferRaw(buffer_ci, &new_buffer) != VK_SUCCESS) {
-                break;
-            }
-            const VkMemoryRequirements requirements =
-                    logical.GetBufferMemoryRequirements(new_buffer);
-            const u32 type_mask = requirements.memoryTypeBits & host_props.memoryTypeBits;
-            if (type_mask == 0 || requirements.size > window_len) {
-                logical.DestroyBufferRaw(new_buffer);
-                break;
-            }
-            const auto type_index = FindImportMemoryType(memory_props, type_mask);
-            if (!type_index) {
-                logical.DestroyBufferRaw(new_buffer);
-                break;
-            }
-            const u32 heap_index = memory_props.memoryTypes[*type_index].heapIndex;
-            const VkDeviceSize heap_size = memory_props.memoryHeaps[heap_index].size;
-            if (imported_size + window_len > heap_size / 2) {
-                logical.DestroyBufferRaw(new_buffer);
-                break;
-            }
-            const VkImportMemoryHostPointerInfoEXT import_info{
-                    .sType = VK_STRUCTURE_TYPE_IMPORT_MEMORY_HOST_POINTER_INFO_EXT,
-                    .pNext = nullptr,
-                    .handleType = VK_EXTERNAL_MEMORY_HANDLE_TYPE_HOST_ALLOCATION_BIT_EXT,
-                    .pHostPointer = window_base,
-            };
-            const VkMemoryAllocateInfo alloc_info{
-                    .sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO,
-                    .pNext = &import_info,
-                    .allocationSize = window_len,
-                    .memoryTypeIndex = *type_index,
-            };
-            vk::DeviceMemory memory = logical.TryAllocateMemory(alloc_info);
-            if (!memory) {
-                logical.DestroyBufferRaw(new_buffer);
-                break;
-            }
-            if (logical.BindBufferMemory(new_buffer, *memory, 0) != VK_SUCCESS) {
-                logical.DestroyBufferRaw(new_buffer);
-                break;
-            }
-            windows.push_back(Window{
-                    .memory = std::move(memory),
-                    .buffer = new_buffer,
-            });
-            imported_size += static_cast<size_t>(window_len);
-        }
-        if (windows.empty()) {
-            return false;
-        }
-        return true;
-    }
-
-    bool HostMemoryImport::ImportHardwareBuffers(
-            [[maybe_unused]] std::span<AHardwareBuffer *const> hardware_buffers,
-            [[maybe_unused]] size_t hardware_buffer_window,
-            [[maybe_unused]] size_t hardware_buffer_base, [[maybe_unused]] size_t size) {
-#ifdef __ANDROID__
-        if (hardware_buffers.empty() || hardware_buffer_window == 0 ||
-            !device.IsExtExternalMemoryAhbSupported()) {
-            return false;
-        }
-        const u64 max_allocation_size = device.GetMaxMemoryAllocationSize();
-        if (max_allocation_size != 0 && hardware_buffer_window > max_allocation_size) {
-            return false;
-        }
-        if (hardware_buffer_base >= size) {
-            return false;
-        }
-        const auto &logical = device.GetLogical();
-        const auto memory_props = device.GetPhysical().GetMemoryProperties().memoryProperties;
-        window_size = hardware_buffer_window;
-        base_offset = hardware_buffer_base;
-
-        const auto import_all = [&](VkBufferUsageFlags usage, bool want_address) {
-            for (size_t i = 0; i < hardware_buffers.size(); ++i) {
-                const size_t offset = hardware_buffer_base + i * hardware_buffer_window;
-                if (offset >= size) {
-                    break;
-                }
-                const VkDeviceSize window_len = (std::min)(
-                        static_cast<VkDeviceSize>(size - offset),
-                        static_cast<VkDeviceSize>(hardware_buffer_window));
-                VkAndroidHardwareBufferPropertiesANDROID ahb_props{
-                        .sType = VK_STRUCTURE_TYPE_ANDROID_HARDWARE_BUFFER_PROPERTIES_ANDROID,
-                        .pNext = nullptr,
-                        .allocationSize = 0,
-                        .memoryTypeBits = 0,
-                };
-                if (logical.GetAndroidHardwareBufferPropertiesANDROID(hardware_buffers[i],
-                                                                      &ahb_props) != VK_SUCCESS ||
-                    ahb_props.memoryTypeBits == 0 || ahb_props.allocationSize < window_len) {
-                    break;
-                }
-                const VkExternalMemoryBufferCreateInfo external_info{
-                        .sType = VK_STRUCTURE_TYPE_EXTERNAL_MEMORY_BUFFER_CREATE_INFO,
-                        .pNext = nullptr,
-                        .handleTypes =
-                                VK_EXTERNAL_MEMORY_HANDLE_TYPE_ANDROID_HARDWARE_BUFFER_BIT_ANDROID,
-                };
-                const VkBufferCreateInfo buffer_ci{
-                        .sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,
-                        .pNext = &external_info,
-                        .flags = 0,
-                        .size = window_len,
-                        .usage = usage,
-                        .sharingMode = VK_SHARING_MODE_EXCLUSIVE,
-                        .queueFamilyIndexCount = 0,
-                        .pQueueFamilyIndices = nullptr,
-                };
-                VkBuffer new_buffer{};
-                if (logical.CreateBufferRaw(buffer_ci, &new_buffer) != VK_SUCCESS) {
-                    break;
-                }
-                const VkMemoryRequirements requirements =
-                        logical.GetBufferMemoryRequirements(new_buffer);
-                const u32 type_mask = requirements.memoryTypeBits & ahb_props.memoryTypeBits;
-                if (type_mask == 0 || requirements.size > ahb_props.allocationSize) {
-                    logical.DestroyBufferRaw(new_buffer);
-                    break;
-                }
-                const auto type_index = FindImportMemoryType(memory_props, type_mask);
-                if (!type_index) {
-                    logical.DestroyBufferRaw(new_buffer);
-                    break;
-                }
-                const VkImportAndroidHardwareBufferInfoANDROID import_info{
-                        .sType = VK_STRUCTURE_TYPE_IMPORT_ANDROID_HARDWARE_BUFFER_INFO_ANDROID,
-                        .pNext = nullptr,
-                        .buffer = hardware_buffers[i],
-                };
-                const VkMemoryDedicatedAllocateInfo dedicated_info{
-                        .sType = VK_STRUCTURE_TYPE_MEMORY_DEDICATED_ALLOCATE_INFO,
-                        .pNext = &import_info,
-                        .image = VK_NULL_HANDLE,
-                        .buffer = new_buffer,
-                };
-                const VkMemoryAllocateFlagsInfo flags_info{
-                        .sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_FLAGS_INFO,
-                        .pNext = &dedicated_info,
-                        .flags = VK_MEMORY_ALLOCATE_DEVICE_ADDRESS_BIT,
-                        .deviceMask = 0,
-                };
-                const void *alloc_next = &dedicated_info;
-                if (want_address) {
-                    alloc_next = &flags_info;
-                }
-                const VkMemoryAllocateInfo alloc_info{
-                        .sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO,
-                        .pNext = alloc_next,
-                        .allocationSize = ahb_props.allocationSize,
-                        .memoryTypeIndex = *type_index,
-                };
-                vk::DeviceMemory memory = logical.TryAllocateMemory(alloc_info);
-                if (!memory) {
-                    logical.DestroyBufferRaw(new_buffer);
-                    break;
-                }
-                if (logical.BindBufferMemory(new_buffer, *memory, 0) != VK_SUCCESS) {
-                    logical.DestroyBufferRaw(new_buffer);
-                    break;
-                }
-                VkDeviceAddress address = 0;
-                if (want_address) {
-                    address = logical.GetBufferDeviceAddress(new_buffer);
-                }
-                windows.push_back(Window{
-                        .memory = std::move(memory),
-                        .buffer = new_buffer,
-                        .address = address,
-                });
-                imported_size += static_cast<size_t>(window_len);
-            }
-            return !windows.empty();
-        };
-
-        constexpr VkBufferUsageFlags TransferUsage =
-                VK_BUFFER_USAGE_TRANSFER_SRC_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT;
-        VkBufferUsageFlags shader_usage = TransferUsage |
-                VK_BUFFER_USAGE_UNIFORM_TEXEL_BUFFER_BIT |
-                VK_BUFFER_USAGE_STORAGE_TEXEL_BUFFER_BIT | VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT |
-                VK_BUFFER_USAGE_STORAGE_BUFFER_BIT | VK_BUFFER_USAGE_INDEX_BUFFER_BIT |
-                VK_BUFFER_USAGE_VERTEX_BUFFER_BIT | VK_BUFFER_USAGE_INDIRECT_BUFFER_BIT;
-        const bool want_address = device.IsBufferDeviceAddressSupported();
-        VkBufferUsageFlags minimal_usage = TransferUsage | VK_BUFFER_USAGE_STORAGE_BUFFER_BIT;
-        if (want_address) {
-            shader_usage |= VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT;
-            minimal_usage |= VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT;
-        }
-
-        const auto reset_windows = [&] {
-            for (Window &window : windows) {
-                if (window.buffer != VK_NULL_HANDLE) {
-                    logical.DestroyBufferRaw(window.buffer);
-                }
-            }
-            windows.clear();
-            imported_size = 0;
-        };
-
-        bindable = import_all(shader_usage, want_address);
-        if (!bindable) {
-            reset_windows();
-            bindable = import_all(minimal_usage, want_address);
-        }
-        if (!bindable) {
-            reset_windows();
-            import_all(TransferUsage, false);
-        }
-        if (windows.empty()) {
-            window_size = 0;
-            base_offset = 0;
-            return false;
-        }
-        foreign_ownership = true;
-        return true;
-#else
-        return false;
-#endif
-    }
-
-    HostMemoryImport::~HostMemoryImport() {
-        for (Window &window : windows) {
-            if (window.buffer != VK_NULL_HANDLE) {
-                device.GetLogical().DestroyBufferRaw(window.buffer);
-            }
-        }
-    }
-
     MemoryAllocator::MemoryAllocator(const Device &device_)
             : device{device_}, allocator{device.GetAllocator()},
               properties{device_.GetPhysical().GetMemoryProperties().memoryProperties},
@@ -667,17 +332,6 @@ namespace Vulkan {
         return MemoryCommit(allocator, a, info);
     }
 
-    HostMemoryImport *MemoryAllocator::CreateHostMemoryImport(
-        void *base, size_t size, std::span<AHardwareBuffer *const> hardware_buffers,
-        size_t hardware_buffer_window, size_t hardware_buffer_base) {
-        unified_memory = std::make_unique<HostMemoryImport>(
-            device, base, size, hardware_buffers, hardware_buffer_window, hardware_buffer_base);
-        if (!unified_memory->IsValid()) {
-            unified_memory.reset();
-        }
-        return unified_memory.get();
-    }
-
     MemoryCommit MemoryAllocator::Commit(const vk::Buffer &buffer, MemoryUsage usage) {
         // Allocate memory appropriate for this buffer automatically
         const auto vma_usage = MemoryUsageVma(usage);

src/video_core/vulkan_common/vulkan_memory_allocator.h

@@ -15,8 +15,6 @@
 #include "video_core/vulkan_common/vulkan_wrapper.h"
 #include "video_core/vulkan_common/vma.h"
 
-struct AHardwareBuffer;
-
 namespace Vulkan {
 
     class Device;
@@ -86,76 +84,6 @@ namespace Vulkan {
         void *mapped_ptr{};  ///< Optional persistent mapped pointer
     };
 
-    class HostMemoryImport {
-    public:
-        explicit HostMemoryImport(const Device &device_, void *base, size_t size,
-                                  std::span<AHardwareBuffer *const> hardware_buffers,
-                                  size_t hardware_buffer_window, size_t hardware_buffer_base);
-
-        ~HostMemoryImport();
-
-        HostMemoryImport(const HostMemoryImport &) = delete;
-
-        HostMemoryImport &operator=(const HostMemoryImport &) = delete;
-
-        [[nodiscard]] bool IsValid() const noexcept {
-            return !windows.empty();
-        }
-
-        [[nodiscard]] size_t GetSize() const noexcept {
-            return imported_size;
-        }
-
-        [[nodiscard]] size_t GetBaseOffset() const noexcept {
-            return base_offset;
-        }
-
-        [[nodiscard]] bool NeedsForeignOwnershipTransfer() const noexcept {
-            return foreign_ownership;
-        }
-
-        [[nodiscard]] VkDeviceSize GetWindowSize() const noexcept {
-            return window_size;
-        }
-
-        [[nodiscard]] VkBuffer GetWindowBuffer(size_t index) const noexcept {
-            return windows[index].buffer;
-        }
-
-        [[nodiscard]] VkDeviceAddress GetWindowAddress(size_t index) const noexcept {
-            return windows[index].address;
-        }
-
-        [[nodiscard]] size_t GetWindowCount() const noexcept {
-            return windows.size();
-        }
-
-        [[nodiscard]] bool IsBindable() const noexcept {
-            return bindable;
-        }
-
-    private:
-        struct Window {
-            vk::DeviceMemory memory;
-            VkBuffer buffer{};
-            VkDeviceAddress address{};
-        };
-
-        bool ImportHostPointer(void *base, size_t size);
-
-        bool ImportHardwareBuffers(std::span<AHardwareBuffer *const> hardware_buffers,
-                                   size_t hardware_buffer_window, size_t hardware_buffer_base,
-                                   size_t size);
-
-        const Device &device;
-        std::vector<Window> windows;
-        VkDeviceSize window_size{};
-        size_t imported_size{};
-        size_t base_offset{};
-        bool foreign_ownership{};
-        bool bindable{};
-    };
-
 /// Memory allocator container.
 /// Allocates and releases memory allocations on demand.
     class MemoryAllocator {
@@ -192,15 +120,6 @@ namespace Vulkan {
         /// Commits memory required by the buffer and binds it (for buffers created outside VMA).
         MemoryCommit Commit(const vk::Buffer &buffer, MemoryUsage usage);
 
-        HostMemoryImport *CreateHostMemoryImport(void *base, size_t size,
-                                                 std::span<AHardwareBuffer *const> hardware_buffers,
-                                                 size_t hardware_buffer_window,
-                                                 size_t hardware_buffer_base);
-
-        [[nodiscard]] HostMemoryImport *GetHostMemoryImport() const noexcept {
-            return unified_memory.get();
-        }
-
     private:
         static bool IsAutoUsage(VmaMemoryUsage u) noexcept {
             switch (u) {
@@ -218,7 +137,6 @@ namespace Vulkan {
         const VkPhysicalDeviceMemoryProperties properties; ///< Physical device memory properties.
         VkDeviceSize buffer_image_granularity;            ///< Adjacent buffer/image granularity
         u32 valid_memory_types{~0u};
-        std::unique_ptr<HostMemoryImport> unified_memory;
     };
 
 } // namespace Vulkan

src/video_core/vulkan_common/vulkan_wrapper.cpp

@@ -217,16 +217,12 @@ void Load(VkDevice device, DeviceDispatch& dld) noexcept {
     X(vkGetBufferMemoryRequirements2);
     X(vkGetDeviceQueue);
     X(vkGetEventStatus);
-    X(vkGetMemoryHostPointerPropertiesEXT);
     X(vkGetFenceStatus);
     X(vkGetImageMemoryRequirements);
     X(vkGetPipelineCacheData);
     X(vkGetMemoryFdKHR);
 #ifdef _WIN32
     X(vkGetMemoryWin32HandleKHR);
-#endif
-#ifdef __ANDROID__
-    X(vkGetAndroidHardwareBufferPropertiesANDROID);
 #endif
     X(vkGetQueryPoolResults);
     X(vkGetPipelineExecutablePropertiesKHR);

src/video_core/vulkan_common/vulkan_wrapper.h

@@ -333,16 +333,12 @@ struct DeviceDispatch : InstanceDispatch {
     PFN_vkGetBufferMemoryRequirements2 vkGetBufferMemoryRequirements2{};
     PFN_vkGetDeviceQueue vkGetDeviceQueue{};
     PFN_vkGetEventStatus vkGetEventStatus{};
-    PFN_vkGetMemoryHostPointerPropertiesEXT vkGetMemoryHostPointerPropertiesEXT{};
     PFN_vkGetFenceStatus vkGetFenceStatus{};
     PFN_vkGetImageMemoryRequirements vkGetImageMemoryRequirements{};
     PFN_vkGetPipelineCacheData vkGetPipelineCacheData{};
     PFN_vkGetMemoryFdKHR vkGetMemoryFdKHR{};
 #ifdef _WIN32
     PFN_vkGetMemoryWin32HandleKHR vkGetMemoryWin32HandleKHR{};
-#endif
-#ifdef __ANDROID__
-    PFN_vkGetAndroidHardwareBufferPropertiesANDROID vkGetAndroidHardwareBufferPropertiesANDROID{};
 #endif
     PFN_vkGetPipelineExecutablePropertiesKHR vkGetPipelineExecutablePropertiesKHR{};
     PFN_vkGetPipelineExecutableStatisticsKHR vkGetPipelineExecutableStatisticsKHR{};
@@ -1089,34 +1085,6 @@ public:
     VkMemoryRequirements GetBufferMemoryRequirements(VkBuffer buffer,
                                                      void* pnext = nullptr) const noexcept;
 
-    VkResult GetMemoryHostPointerPropertiesEXT(
-        VkExternalMemoryHandleTypeFlagBits handle_type, const void* host_pointer,
-        VkMemoryHostPointerPropertiesEXT* out_properties) const noexcept {
-        return dld->vkGetMemoryHostPointerPropertiesEXT(handle, handle_type, host_pointer,
-                                                        out_properties);
-    }
-
-#ifdef __ANDROID__
-    VkResult GetAndroidHardwareBufferPropertiesANDROID(
-        const struct AHardwareBuffer* buffer,
-        VkAndroidHardwareBufferPropertiesANDROID* out_properties) const noexcept {
-        return dld->vkGetAndroidHardwareBufferPropertiesANDROID(handle, buffer, out_properties);
-    }
-#endif
-
-    VkResult CreateBufferRaw(const VkBufferCreateInfo& ci, VkBuffer* out_buffer) const noexcept {
-        return dld->vkCreateBuffer(handle, &ci, nullptr, out_buffer);
-    }
-
-    void DestroyBufferRaw(VkBuffer buffer) const noexcept {
-        dld->vkDestroyBuffer(handle, buffer, nullptr);
-    }
-
-    VkResult BindBufferMemory(VkBuffer buffer, VkDeviceMemory memory,
-                              VkDeviceSize offset) const noexcept {
-        return dld->vkBindBufferMemory(handle, buffer, memory, offset);
-    }
-
     VkMemoryRequirements GetImageMemoryRequirements(VkImage image) const noexcept;
 
     std::vector<VkPipelineExecutablePropertiesKHR> GetPipelineExecutablePropertiesKHR(