oops

Yxzx presumes this:
// The NVN driver buffer (index 0) is known to pack the SSBO address followed by its size.
But in MCI i`ve discovered that there are no sizes, both registers are GPU addresses (hence the 2.8gb allocation, it was an address actually)

Method could be much simpler but for safety i`ve routed both old and new worlds.

Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/3206
Reviewed-by: Caio Oliveira <caiooliveirafarias0@gmail.com>
Reviewed-by: Lizzie <lizzie@eden-emu.dev>
Co-authored-by: xbzk <xbzk@eden-emu.dev>
Co-committed-by: xbzk <xbzk@eden-emu.dev>

src/android/app/build.gradle.kts

@@ -39,7 +39,6 @@ android {
 
     buildFeatures {
         viewBinding = true
-        buildConfig = true
     }
 
     compileOptions {

src/android/gradle.properties

@@ -14,6 +14,8 @@ android.useAndroidX=true
 # Kotlin code style for this project: "official" or "obsolete":
 kotlin.code.style=official
 kotlin.parallel.tasks.in.project=true
+android.defaults.buildfeatures.buildconfig=true
+
 # Android Gradle plugin 8.0.2
 android.suppressUnsupportedCompileSdk=34
 android.native.buildOutput=verbose

src/common/announce_multiplayer_room.h

@@ -34,8 +34,8 @@ struct Member {
 struct RoomInformation {
     std::string name;          ///< Name of the server
     std::string description;   ///< Server description
-    u32 member_slots;          ///< Maximum number of members in this room
-    u16 port;                  ///< The port of this room
+    u32 member_slots{};        ///< Maximum number of members in this room
+    u16 port{};                ///< The port of this room
     GameInfo preferred_game;   ///< Game to advertise that you want to play
     std::string host_username; ///< Forum username of the host
 };
@@ -46,8 +46,8 @@ struct Room {
     std::string id;
     std::string verify_uid; ///< UID used for verification
     std::string ip;
-    u32 net_version;
-    bool has_password;
+    u32 net_version{};
+    bool has_password = false;
 
     std::vector<Member> members;
 };

src/common/host_memory.cpp

@@ -219,11 +219,6 @@ public:
         }
     }
 
-    bool ClearBackingRegion(size_t physical_offset, size_t length) {
-        // TODO: This does not seem to be possible on Windows.
-        return false;
-    }
-
     void EnableDirectMappedAddress() {
         // TODO
         UNREACHABLE();
@@ -617,24 +612,6 @@ public:
         ASSERT_MSG(ret == 0, "mprotect failed: {}", strerror(errno));
     }
 
-    bool ClearBackingRegion(size_t physical_offset, size_t length) {
-#ifdef __linux__
-        // Only incur syscall cost IF memset would be slower (theshold = 16MiB)
-        // TODO(lizzie): Smarter way to dynamically get this threshold (broadwell != raptor lake) for example
-        if (length >= 2097152UL * 8) {
-            // Set MADV_REMOVE on backing map to destroy it instantly.
-            // This also deletes the area from the backing file.
-            int ret = madvise(backing_base + physical_offset, length, MADV_REMOVE);
-            ASSERT_MSG(ret == 0, "madvise failed: {}", strerror(errno));
-            return true;
-        } else {
-            return false;
-        }
-#else
-        return false;
-#endif
-    }
-
     void EnableDirectMappedAddress() {
         virtual_base = nullptr;
     }
@@ -762,9 +739,7 @@ void HostMemory::Protect(size_t virtual_offset, size_t length, MemoryPermission
 }
 
 void HostMemory::ClearBackingRegion(size_t physical_offset, size_t length, u32 fill_value) {
-    if (!impl || fill_value != 0 || !impl->ClearBackingRegion(physical_offset, length)) {
-        std::memset(backing_base + physical_offset, fill_value, length);
-    }
+    std::memset(backing_base + physical_offset, fill_value, length);
 }
 
 void HostMemory::EnableDirectMappedAddress() {

src/core/frontend/applets/cabinet.h

@@ -21,7 +21,7 @@ namespace Core::Frontend {
 struct CabinetParameters {
     Service::NFP::TagInfo tag_info;
     Service::NFP::RegisterInfo register_info;
-    Service::NFP::CabinetMode mode;
+    Service::NFP::CabinetMode mode{};
 };
 
 using CabinetCallback = std::function<void(bool, const std::string&)>;

src/core/frontend/applets/software_keyboard.h

@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2025 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
 
@@ -20,9 +23,9 @@ struct KeyboardInitializeParameters {
     std::u16string initial_text;
     char16_t left_optional_symbol_key;
     char16_t right_optional_symbol_key;
-    u32 max_text_length;
-    u32 min_text_length;
-    s32 initial_cursor_position;
+    u32 max_text_length{};
+    u32 min_text_length{};
+    s32 initial_cursor_position{};
     Service::AM::Frontend::SwkbdType type;
     Service::AM::Frontend::SwkbdPasswordMode password_mode;
     Service::AM::Frontend::SwkbdTextDrawType text_draw_type;
@@ -34,12 +37,12 @@ struct KeyboardInitializeParameters {
 };
 
 struct InlineAppearParameters {
-    u32 max_text_length;
-    u32 min_text_length;
-    f32 key_top_scale_x;
-    f32 key_top_scale_y;
-    f32 key_top_translate_x;
-    f32 key_top_translate_y;
+    u32 max_text_length{};
+    u32 min_text_length{};
+    f32 key_top_scale_x{};
+    f32 key_top_scale_y{};
+    f32 key_top_translate_x{};
+    f32 key_top_translate_y{};
     Service::AM::Frontend::SwkbdType type;
     Service::AM::Frontend::SwkbdKeyDisableFlags key_disable_flags;
     bool key_top_as_floating;
@@ -50,7 +53,7 @@ struct InlineAppearParameters {
 
 struct InlineTextParameters {
     std::u16string input_text;
-    s32 cursor_position;
+    s32 cursor_position{};
 };
 
 class SoftwareKeyboardApplet : public Applet {

src/core/hle/service/nfc/nfc_types.h

@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 // SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
@@ -79,7 +82,7 @@ using DeviceHandle = u64;
 
 // This is nn::nfc::TagInfo
 struct TagInfo {
-    UniqueSerialNumber uuid;
+    UniqueSerialNumber uuid{};
     u8 uuid_length;
     INSERT_PADDING_BYTES(0x15);
     NfcProtocol protocol;

src/core/hle/service/nfp/nfp_types.h

@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 // SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
@@ -315,7 +318,7 @@ static_assert(sizeof(ModelInfo) == 0x40, "ModelInfo is an invalid size");
 // This is nn::nfp::RegisterInfo
 struct RegisterInfo {
     Service::Mii::CharInfo mii_char_info;
-    WriteDate creation_date;
+    WriteDate creation_date{};
     AmiiboName amiibo_name;
     u8 font_region;
     INSERT_PADDING_BYTES(0x7A);

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

@@ -164,7 +164,7 @@ IPlatformServiceManager::IPlatformServiceManager(Core::System& system_, const ch
     // Rebuild shared fonts from data ncas or synthesize
 
     impl->shared_font = std::make_shared<Kernel::PhysicalMemory>(SHARED_FONT_MEM_SIZE);
-    for (auto font : SHARED_FONTS) {
+    for (auto& font : SHARED_FONTS) {
         FileSys::VirtualFile romfs;
         const auto nca =
             nand->GetEntry(static_cast<u64>(font.first), FileSys::ContentRecordType::Data);
@@ -261,7 +261,7 @@ Result IPlatformServiceManager::GetSharedFontInOrderOfPriority(
                                     out_font_sizes.size(), impl->shared_font_regions.size()});
 
     for (size_t i = 0; i < max_size; i++) {
-        auto region = impl->GetSharedFontRegion(i);
+        auto& region = impl->GetSharedFontRegion(i);
 
         out_font_codes[i] = static_cast<u32>(i);
         out_font_offsets[i] = region.offset;

src/frontend_common/play_time_manager.h

@@ -48,7 +48,7 @@ private:
     void Save();
 
     PlayTimeDatabase database;
-    u64 running_program_id;
+    u64 running_program_id{};
     std::jthread play_time_thread;
 };
 

src/input_common/helpers/joycon_protocol/poller.cpp

@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 // SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 

src/network/room_member.h

@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 // SPDX-FileCopyrightText: Copyright 2017 Citra Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -53,7 +56,7 @@ struct ChatEntry {
 
 /// Represents a system status message.
 struct StatusMessageEntry {
-    StatusMessageTypes type; ///< Type of the message
+    StatusMessageTypes type{}; ///< Type of the message
     /// Subject of the message. i.e. the user who is joining/leaving/being banned, etc.
     std::string nickname;
     std::string username;

src/video_core/buffer_cache/buffer_cache.h

@@ -1705,21 +1705,26 @@ Binding BufferCache<P>::StorageBufferBinding(GPUVAddr ssbo_addr, u32 cbuf_index,
         return NULL_BINDING;
     }
 
+    // xbzk: New size logic. Fixes MCI.
+    // If ever the * comment below prove wrong, the 'if' block may be removed.
     const auto size = [&]() {
         const bool is_nvn_cbuf = cbuf_index == 0;
-        // The NVN driver buffer (index 0) is known to pack the SSBO address followed by its size.
         if (is_nvn_cbuf) {
-            const u32 ssbo_size = gpu_memory->Read<u32>(ssbo_addr + 8);
-            if (ssbo_size != 0) {
-                return ssbo_size;
+            // * The NVN driver buffer (index 0) is known to pack the SSBO address followed by its size.
+            const u64 next_qword = gpu_memory->Read<u64>(ssbo_addr + 8);
+            const u32 upper_32 = static_cast<u32>(next_qword >> 32);
+            // Hardware-based detection: GPU addresses have non-zero upper bits
+            if (upper_32 == 0) {
+                // This is a size field, not a GPU address
+                return static_cast<u32>(next_qword);  // Return lower_32
             }
         }
-        // Other titles (notably Doom Eternal) may use STG/LDG on buffer addresses in custom defined
-        // cbufs, which do not store the sizes adjacent to the addresses, so use the fully
-        // mapped buffer size for now.
+        // Fall through: either not NVN cbuf (Doom Eternal & +), or NVN but ssbo_addr+8 is a GPU address (MCI)
         const u32 memory_layout_size = static_cast<u32>(gpu_memory->GetMemoryLayoutSize(gpu_addr));
+        // Cap at 8MB to prevent allocator overflow from misinterpreted addresses
         return (std::min)(memory_layout_size, static_cast<u32>(8_MiB));
     }();
+
     // Alignment only applies to the offset of the buffer
     const u32 alignment = runtime.GetStorageBufferAlignment();
     const GPUVAddr aligned_gpu_addr = Common::AlignDown(gpu_addr, alignment);

src/video_core/control/scheduler.cpp

@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 // SPDX-FileCopyrightText: 2021 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
@@ -17,7 +20,7 @@ void Scheduler::Push(s32 channel, CommandList&& entries) {
     std::unique_lock lk(scheduling_guard);
     auto it = channels.find(channel);
     ASSERT(it != channels.end());
-    auto channel_state = it->second;
+    auto& channel_state = it->second;
     gpu.BindChannel(channel_state->bind_id);
     channel_state->dma_pusher->Push(std::move(entries));
     channel_state->dma_pusher->DispatchCalls();

src/video_core/renderer_vulkan/vk_rasterizer.cpp

@@ -108,7 +108,7 @@ VkViewport GetViewportState(const Device& device, const Maxwell& regs, size_t in
 
 VkRect2D GetScissorState(const Maxwell& regs, size_t index, u32 up_scale = 1, u32 down_shift = 0) {
     const auto& src = regs.scissor_test[index];
-    VkRect2D scissor;
+    VkRect2D scissor{};
     const auto scale_up = [&](s32 value) -> s32 {
         if (value == 0) {
             return 0U;
@@ -374,7 +374,7 @@ void RasterizerVulkan::Clear(u32 layer_count) {
     }
     UpdateViewportsState(regs);
 
-    VkRect2D default_scissor;
+    VkRect2D default_scissor{};
     default_scissor.offset.x = 0;
     default_scissor.offset.y = 0;
     default_scissor.extent.width = (std::numeric_limits<s32>::max)();

src/yuzu/configuration/configure_input.h

@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 // SPDX-FileCopyrightText: 2016 Citra Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -71,11 +74,11 @@ private:
 
     std::unique_ptr<InputProfiles> profiles;
 
-    std::array<ConfigureInputPlayer*, 8> player_controllers;
-    std::array<QWidget*, 8> player_tabs;
+    std::array<ConfigureInputPlayer*, 8> player_controllers{};
+    std::array<QWidget*, 8> player_tabs{};
     // Checkboxes representing the "Connected Controllers".
-    std::array<QCheckBox*, 8> connected_controller_checkboxes;
-    ConfigureInputAdvanced* advanced;
+    std::array<QCheckBox*, 8> connected_controller_checkboxes{};
+    ConfigureInputAdvanced* advanced = nullptr;
 
     Core::System& system;
 };

src/yuzu/configuration/configure_input_player_widget.cpp

@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 // SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -689,10 +692,10 @@ void PlayerControlPreview::DrawHandheldController(QPainter& p, const QPointF cen
     {
         // Draw joysticks
         using namespace Settings::NativeAnalog;
-        const auto l_stick = QPointF(stick_values[LStick].x.value, stick_values[LStick].y.value);
-        const auto l_button = button_values[Settings::NativeButton::LStick];
-        const auto r_stick = QPointF(stick_values[RStick].x.value, stick_values[RStick].y.value);
-        const auto r_button = button_values[Settings::NativeButton::RStick];
+        const auto& l_stick = QPointF(stick_values[LStick].x.value, stick_values[LStick].y.value);
+        const auto& l_button = button_values[Settings::NativeButton::LStick];
+        const auto& r_stick = QPointF(stick_values[RStick].x.value, stick_values[RStick].y.value);
+        const auto& r_button = button_values[Settings::NativeButton::RStick];
 
         DrawJoystick(p, center + QPointF(-171, -41) + (l_stick * 4), 1.0f, l_button);
         DrawJoystick(p, center + QPointF(171, 8) + (r_stick * 4), 1.0f, r_button);

src/yuzu/configuration/configure_input_player_widget.h

@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 // SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -214,7 +217,7 @@ private:
 
     bool mapping_active{};
     int blink_counter{};
-    int callback_key;
+    int callback_key{};
     QColor button_color{};
     ColorMapping colors{};
     Core::HID::LedPattern led_pattern{0, 0, 0, 0};

src/yuzu/main_window.cpp

@@ -1495,7 +1495,7 @@ void MainWindow::OnAppFocusStateChanged(Qt::ApplicationState state) {
             (state & (Qt::ApplicationHidden | Qt::ApplicationInactive))) {
             auto_paused = true;
             OnPauseGame();
-        } else if (!emu_thread->IsRunning() && auto_paused && state == Qt::ApplicationActive) {
+        } else if (!emu_thread->IsRunning() && auto_paused && (state & Qt::ApplicationActive)) {
             auto_paused = false;
             OnStartGame();
         }
@@ -1505,7 +1505,7 @@ void MainWindow::OnAppFocusStateChanged(Qt::ApplicationState state) {
             (state & (Qt::ApplicationHidden | Qt::ApplicationInactive))) {
             Settings::values.audio_muted = true;
             auto_muted = true;
-        } else if (auto_muted && state == Qt::ApplicationActive) {
+        } else if (auto_muted && (state & Qt::ApplicationActive)) {
             Settings::values.audio_muted = false;
             auto_muted = false;
         }

src/yuzu/main_window.h

@@ -482,13 +482,13 @@ private:
 
     MultiplayerState* multiplayer_state = nullptr;
 
-    GRenderWindow* render_window;
-    GameList* game_list;
-    LoadingScreen* loading_screen;
+    GRenderWindow* render_window = nullptr;
+    GameList* game_list = nullptr;
+    LoadingScreen* loading_screen = nullptr;
     QTimer shutdown_timer;
     OverlayDialog* shutdown_dialog{};
 
-    GameListPlaceholder* game_list_placeholder;
+    GameListPlaceholder* game_list_placeholder = nullptr;
 
     std::vector<VkDeviceInfo::Record> vk_device_records;
 
@@ -531,7 +531,7 @@ private:
     QString startup_icon_theme;
 
     // Debugger panes
-    ControllerDialog* controller_dialog;
+    ControllerDialog* controller_dialog = nullptr;
 
     QAction* actions_recent_files[max_recent_files_item];
 
@@ -543,7 +543,7 @@ private:
     QTranslator translator;
 
     // Install progress dialog
-    QProgressDialog* install_progress;
+    QProgressDialog* install_progress = nullptr;
 
     // Last game booted, used for multi-process apps
     QString last_filename_booted;

src/yuzu/multiplayer/lobby_p.h

@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 // SPDX-FileCopyrightText: Copyright 2017 Citra Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -175,7 +178,7 @@ public:
 private:
     QString username;
     QString nickname;
-    u64 title_id;
+    u64 title_id{};
     QString game_name;
 };