Android #96

add Z32, FLOAT, UINT, UINT, UINT, LINEAR to format lookup table

README.md

@@ -1,3 +1,12 @@
+| Pull Request | Commit | Title | Author | Merged? |
+|----|----|----|----|----|
+| [11718](https://github.com/yuzu-emu/yuzu//pull/11718) | [`21bc2c14b`](https://github.com/yuzu-emu/yuzu//pull/11718/files) | common: add arm64 native clock | [liamwhite](https://github.com/liamwhite/) | Yes |
+
+
+End of merge log. You can find the original README.md below the break.
+
+-----
+
 <!--
 SPDX-FileCopyrightText: 2018 yuzu Emulator Project
 SPDX-License-Identifier: GPL-2.0-or-later

src/common/CMakeLists.txt

@@ -189,6 +189,14 @@ if(ARCHITECTURE_x86_64)
     target_link_libraries(common PRIVATE xbyak::xbyak)
 endif()
 
+if (ARCHITECTURE_arm64 AND (ANDROID OR LINUX))
+    target_sources(common
+        PRIVATE
+            arm64/native_clock.cpp
+            arm64/native_clock.h
+    )
+endif()
+
 if (MSVC)
   target_compile_definitions(common PRIVATE
     # The standard library doesn't provide any replacement for codecvt yet

src/common/arm64/native_clock.cpp

@@ -0,0 +1,72 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "common/arm64/native_clock.h"
+
+namespace Common::Arm64 {
+
+namespace {
+
+NativeClock::FactorType GetFixedPointFactor(u64 num, u64 den) {
+    return (static_cast<NativeClock::FactorType>(num) << 64) / den;
+}
+
+u64 MultiplyHigh(u64 m, NativeClock::FactorType factor) {
+    return static_cast<u64>((m * factor) >> 64);
+}
+
+} // namespace
+
+NativeClock::NativeClock() {
+    const u64 host_cntfrq = GetHostCNTFRQ();
+    ns_cntfrq_factor = GetFixedPointFactor(NsRatio::den, host_cntfrq);
+    us_cntfrq_factor = GetFixedPointFactor(UsRatio::den, host_cntfrq);
+    ms_cntfrq_factor = GetFixedPointFactor(MsRatio::den, host_cntfrq);
+    guest_cntfrq_factor = GetFixedPointFactor(CNTFRQ, host_cntfrq);
+    gputick_cntfrq_factor = GetFixedPointFactor(GPUTickFreq, host_cntfrq);
+}
+
+std::chrono::nanoseconds NativeClock::GetTimeNS() const {
+    return std::chrono::nanoseconds{MultiplyHigh(GetHostTicksElapsed(), ns_cntfrq_factor)};
+}
+
+std::chrono::microseconds NativeClock::GetTimeUS() const {
+    return std::chrono::microseconds{MultiplyHigh(GetHostTicksElapsed(), us_cntfrq_factor)};
+}
+
+std::chrono::milliseconds NativeClock::GetTimeMS() const {
+    return std::chrono::milliseconds{MultiplyHigh(GetHostTicksElapsed(), ms_cntfrq_factor)};
+}
+
+u64 NativeClock::GetCNTPCT() const {
+    return MultiplyHigh(GetHostTicksElapsed(), guest_cntfrq_factor);
+}
+
+u64 NativeClock::GetGPUTick() const {
+    return MultiplyHigh(GetHostTicksElapsed(), gputick_cntfrq_factor);
+}
+
+u64 NativeClock::GetHostTicksNow() const {
+    u64 cntvct_el0 = 0;
+    asm volatile("dsb ish\n\t"
+                 "mrs %[cntvct_el0], cntvct_el0\n\t"
+                 "dsb ish\n\t"
+                 : [cntvct_el0] "=r"(cntvct_el0));
+    return cntvct_el0;
+}
+
+u64 NativeClock::GetHostTicksElapsed() const {
+    return GetHostTicksNow();
+}
+
+bool NativeClock::IsNative() const {
+    return true;
+}
+
+u64 NativeClock::GetHostCNTFRQ() {
+    u64 cntfrq_el0 = 0;
+    asm("mrs %[cntfrq_el0], cntfrq_el0" : [cntfrq_el0] "=r"(cntfrq_el0));
+    return cntfrq_el0;
+}
+
+} // namespace Common::Arm64

src/common/arm64/native_clock.h

@@ -0,0 +1,47 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include "common/wall_clock.h"
+
+namespace Common::Arm64 {
+
+class NativeClock final : public WallClock {
+public:
+    explicit NativeClock();
+
+    std::chrono::nanoseconds GetTimeNS() const override;
+
+    std::chrono::microseconds GetTimeUS() const override;
+
+    std::chrono::milliseconds GetTimeMS() const override;
+
+    u64 GetCNTPCT() const override;
+
+    u64 GetGPUTick() const override;
+
+    u64 GetHostTicksNow() const override;
+
+    u64 GetHostTicksElapsed() const override;
+
+    bool IsNative() const override;
+
+    static u64 GetHostCNTFRQ();
+
+public:
+    using FactorType = unsigned __int128;
+
+    FactorType GetGuestCNTFRQFactor() const {
+        return guest_cntfrq_factor;
+    }
+
+private:
+    FactorType ns_cntfrq_factor;
+    FactorType us_cntfrq_factor;
+    FactorType ms_cntfrq_factor;
+    FactorType guest_cntfrq_factor;
+    FactorType gputick_cntfrq_factor;
+};
+
+} // namespace Common::Arm64

src/common/fs/fs_paths.h

@@ -18,10 +18,12 @@
 #define LOAD_DIR "load"
 #define LOG_DIR "log"
 #define NAND_DIR "nand"
+#define PLAY_TIME_DIR "play_time"
 #define SCREENSHOTS_DIR "screenshots"
 #define SDMC_DIR "sdmc"
 #define SHADER_DIR "shader"
 #define TAS_DIR "tas"
+#define ICONS_DIR "icons"
 
 // yuzu-specific files
 

src/common/fs/path_util.cpp

@@ -124,10 +124,12 @@ public:
         GenerateYuzuPath(YuzuPath::LoadDir, yuzu_path / LOAD_DIR);
         GenerateYuzuPath(YuzuPath::LogDir, yuzu_path / LOG_DIR);
         GenerateYuzuPath(YuzuPath::NANDDir, yuzu_path / NAND_DIR);
+        GenerateYuzuPath(YuzuPath::PlayTimeDir, yuzu_path / PLAY_TIME_DIR);
         GenerateYuzuPath(YuzuPath::ScreenshotsDir, yuzu_path / SCREENSHOTS_DIR);
         GenerateYuzuPath(YuzuPath::SDMCDir, yuzu_path / SDMC_DIR);
         GenerateYuzuPath(YuzuPath::ShaderDir, yuzu_path / SHADER_DIR);
         GenerateYuzuPath(YuzuPath::TASDir, yuzu_path / TAS_DIR);
+        GenerateYuzuPath(YuzuPath::IconsDir, yuzu_path / ICONS_DIR);
     }
 
 private:

src/common/fs/path_util.h

@@ -20,10 +20,12 @@ enum class YuzuPath {
     LoadDir,        // Where cheat/mod files are stored.
     LogDir,         // Where log files are stored.
     NANDDir,        // Where the emulated NAND is stored.
+    PlayTimeDir,    // Where play time data is stored.
     ScreenshotsDir, // Where yuzu screenshots are stored.
     SDMCDir,        // Where the emulated SDMC is stored.
     ShaderDir,      // Where shaders are stored.
     TASDir,         // Where TAS scripts are stored.
+    IconsDir,       // Where Icons for Windows shortcuts are stored.
 };
 
 /**

src/common/wall_clock.cpp

@@ -10,6 +10,10 @@
 #include "common/x64/rdtsc.h"
 #endif
 
+#if defined(ARCHITECTURE_arm64) && defined(__linux__)
+#include "common/arm64/native_clock.h"
+#endif
+
 namespace Common {
 
 class StandardWallClock final : public WallClock {
@@ -53,7 +57,7 @@ private:
 };
 
 std::unique_ptr<WallClock> CreateOptimalClock() {
-#ifdef ARCHITECTURE_x86_64
+#if defined(ARCHITECTURE_x86_64)
     const auto& caps = GetCPUCaps();
 
     if (caps.invariant_tsc && caps.tsc_frequency >= std::nano::den) {
@@ -64,6 +68,8 @@ std::unique_ptr<WallClock> CreateOptimalClock() {
         // - Is not more precise than 1 GHz (1ns resolution)
         return std::make_unique<StandardWallClock>();
     }
+#elif defined(ARCHITECTURE_arm64) && defined(__linux__)
+    return std::make_unique<Arm64::NativeClock>();
 #else
     return std::make_unique<StandardWallClock>();
 #endif

src/video_core/texture_cache/format_lookup_table.cpp

@@ -138,6 +138,8 @@ PixelFormat PixelFormatFromTextureInfo(TextureFormat format, ComponentType red,
         return PixelFormat::E5B9G9R9_FLOAT;
     case Hash(TextureFormat::Z32, FLOAT):
         return PixelFormat::D32_FLOAT;
+    case Hash(TextureFormat::Z32, FLOAT, UINT, UINT, UINT, LINEAR):
+        return PixelFormat::D32_FLOAT;
     case Hash(TextureFormat::Z16, UNORM):
         return PixelFormat::D16_UNORM;
     case Hash(TextureFormat::Z16, UNORM, UINT, UINT, UINT, LINEAR):

src/yuzu/CMakeLists.txt

@@ -195,6 +195,8 @@ add_executable(yuzu
     multiplayer/state.cpp
     multiplayer/state.h
     multiplayer/validation.h
+    play_time_manager.cpp
+    play_time_manager.h
     precompiled_headers.h
     qt_common.cpp
     qt_common.h

src/yuzu/configuration/configure_ui.cpp

@@ -123,6 +123,8 @@ ConfigureUi::ConfigureUi(Core::System& system_, QWidget* parent)
     connect(ui->show_compat, &QCheckBox::stateChanged, this, &ConfigureUi::RequestGameListUpdate);
     connect(ui->show_size, &QCheckBox::stateChanged, this, &ConfigureUi::RequestGameListUpdate);
     connect(ui->show_types, &QCheckBox::stateChanged, this, &ConfigureUi::RequestGameListUpdate);
+    connect(ui->show_play_time, &QCheckBox::stateChanged, this,
+            &ConfigureUi::RequestGameListUpdate);
     connect(ui->game_icon_size_combobox, QOverload<int>::of(&QComboBox::currentIndexChanged), this,
             &ConfigureUi::RequestGameListUpdate);
     connect(ui->folder_icon_size_combobox, QOverload<int>::of(&QComboBox::currentIndexChanged),
@@ -167,6 +169,7 @@ void ConfigureUi::ApplyConfiguration() {
     UISettings::values.show_compat = ui->show_compat->isChecked();
     UISettings::values.show_size = ui->show_size->isChecked();
     UISettings::values.show_types = ui->show_types->isChecked();
+    UISettings::values.show_play_time = ui->show_play_time->isChecked();
     UISettings::values.game_icon_size = ui->game_icon_size_combobox->currentData().toUInt();
     UISettings::values.folder_icon_size = ui->folder_icon_size_combobox->currentData().toUInt();
     UISettings::values.row_1_text_id = ui->row_1_text_combobox->currentData().toUInt();
@@ -179,6 +182,7 @@ void ConfigureUi::ApplyConfiguration() {
     const u32 height = ScreenshotDimensionToInt(ui->screenshot_height->currentText());
     UISettings::values.screenshot_height.SetValue(height);
 
+    RequestGameListUpdate();
     system.ApplySettings();
 }
 
@@ -194,6 +198,7 @@ void ConfigureUi::SetConfiguration() {
     ui->show_compat->setChecked(UISettings::values.show_compat.GetValue());
     ui->show_size->setChecked(UISettings::values.show_size.GetValue());
     ui->show_types->setChecked(UISettings::values.show_types.GetValue());
+    ui->show_play_time->setChecked(UISettings::values.show_play_time.GetValue());
     ui->game_icon_size_combobox->setCurrentIndex(
         ui->game_icon_size_combobox->findData(UISettings::values.game_icon_size.GetValue()));
     ui->folder_icon_size_combobox->setCurrentIndex(

src/yuzu/configuration/configure_ui.ui

@@ -104,6 +104,13 @@
           </property>
          </widget>
         </item>
+        <item>
+         <widget class="QCheckBox" name="show_play_time">
+          <property name="text">
+           <string>Show Play Time Column</string>
+          </property>
+         </widget>
+        </item>
         <item>
          <layout class="QHBoxLayout" name="game_icon_size_qhbox_layout_2">
           <item>

src/yuzu/game_list.cpp

@@ -312,8 +312,10 @@ void GameList::OnFilterCloseClicked() {
 }
 
 GameList::GameList(FileSys::VirtualFilesystem vfs_, FileSys::ManualContentProvider* provider_,
-                   Core::System& system_, GMainWindow* parent)
-    : QWidget{parent}, vfs{std::move(vfs_)}, provider{provider_}, system{system_} {
+                   PlayTime::PlayTimeManager& play_time_manager_, Core::System& system_,
+                   GMainWindow* parent)
+    : QWidget{parent}, vfs{std::move(vfs_)}, provider{provider_},
+      play_time_manager{play_time_manager_}, system{system_} {
     watcher = new QFileSystemWatcher(this);
     connect(watcher, &QFileSystemWatcher::directoryChanged, this, &GameList::RefreshGameDirectory);
 
@@ -340,6 +342,7 @@ GameList::GameList(FileSys::VirtualFilesystem vfs_, FileSys::ManualContentProvid
 
     tree_view->setColumnHidden(COLUMN_ADD_ONS, !UISettings::values.show_add_ons);
     tree_view->setColumnHidden(COLUMN_COMPATIBILITY, !UISettings::values.show_compat);
+    tree_view->setColumnHidden(COLUMN_PLAY_TIME, !UISettings::values.show_play_time);
     item_model->setSortRole(GameListItemPath::SortRole);
 
     connect(main_window, &GMainWindow::UpdateThemedIcons, this, &GameList::OnUpdateThemedIcons);
@@ -548,6 +551,7 @@ void GameList::AddGamePopup(QMenu& context_menu, u64 program_id, const std::stri
     QAction* remove_update = remove_menu->addAction(tr("Remove Installed Update"));
     QAction* remove_dlc = remove_menu->addAction(tr("Remove All Installed DLC"));
     QAction* remove_custom_config = remove_menu->addAction(tr("Remove Custom Configuration"));
+    QAction* remove_play_time_data = remove_menu->addAction(tr("Remove Play Time Data"));
     QAction* remove_cache_storage = remove_menu->addAction(tr("Remove Cache Storage"));
     QAction* remove_gl_shader_cache = remove_menu->addAction(tr("Remove OpenGL Pipeline Cache"));
     QAction* remove_vk_shader_cache = remove_menu->addAction(tr("Remove Vulkan Pipeline Cache"));
@@ -560,9 +564,9 @@ void GameList::AddGamePopup(QMenu& context_menu, u64 program_id, const std::stri
     QAction* verify_integrity = context_menu.addAction(tr("Verify Integrity"));
     QAction* copy_tid = context_menu.addAction(tr("Copy Title ID to Clipboard"));
     QAction* navigate_to_gamedb_entry = context_menu.addAction(tr("Navigate to GameDB entry"));
-#ifndef WIN32
     QMenu* shortcut_menu = context_menu.addMenu(tr("Create Shortcut"));
     QAction* create_desktop_shortcut = shortcut_menu->addAction(tr("Add to Desktop"));
+#ifndef WIN32
     QAction* create_applications_menu_shortcut =
         shortcut_menu->addAction(tr("Add to Applications Menu"));
 #endif
@@ -622,6 +626,8 @@ void GameList::AddGamePopup(QMenu& context_menu, u64 program_id, const std::stri
     connect(remove_custom_config, &QAction::triggered, [this, program_id, path]() {
         emit RemoveFileRequested(program_id, GameListRemoveTarget::CustomConfiguration, path);
     });
+    connect(remove_play_time_data, &QAction::triggered,
+            [this, program_id]() { emit RemovePlayTimeRequested(program_id); });
     connect(remove_cache_storage, &QAction::triggered, [this, program_id, path] {
         emit RemoveFileRequested(program_id, GameListRemoveTarget::CacheStorage, path);
     });
@@ -638,10 +644,10 @@ void GameList::AddGamePopup(QMenu& context_menu, u64 program_id, const std::stri
     connect(navigate_to_gamedb_entry, &QAction::triggered, [this, program_id]() {
         emit NavigateToGamedbEntryRequested(program_id, compatibility_list);
     });
-#ifndef WIN32
     connect(create_desktop_shortcut, &QAction::triggered, [this, program_id, path]() {
         emit CreateShortcut(program_id, path, GameListShortcutTarget::Desktop);
     });
+#ifndef WIN32
     connect(create_applications_menu_shortcut, &QAction::triggered, [this, program_id, path]() {
         emit CreateShortcut(program_id, path, GameListShortcutTarget::Applications);
     });
@@ -790,6 +796,7 @@ void GameList::RetranslateUI() {
     item_model->setHeaderData(COLUMN_ADD_ONS, Qt::Horizontal, tr("Add-ons"));
     item_model->setHeaderData(COLUMN_FILE_TYPE, Qt::Horizontal, tr("File type"));
     item_model->setHeaderData(COLUMN_SIZE, Qt::Horizontal, tr("Size"));
+    item_model->setHeaderData(COLUMN_PLAY_TIME, Qt::Horizontal, tr("Play time"));
 }
 
 void GameListSearchField::changeEvent(QEvent* event) {
@@ -817,6 +824,7 @@ void GameList::PopulateAsync(QVector<UISettings::GameDir>& game_dirs) {
     tree_view->setColumnHidden(COLUMN_COMPATIBILITY, !UISettings::values.show_compat);
     tree_view->setColumnHidden(COLUMN_FILE_TYPE, !UISettings::values.show_types);
     tree_view->setColumnHidden(COLUMN_SIZE, !UISettings::values.show_size);
+    tree_view->setColumnHidden(COLUMN_PLAY_TIME, !UISettings::values.show_play_time);
 
     // Delete any rows that might already exist if we're repopulating
     item_model->removeRows(0, item_model->rowCount());
@@ -825,7 +833,7 @@ void GameList::PopulateAsync(QVector<UISettings::GameDir>& game_dirs) {
     emit ShouldCancelWorker();
 
     GameListWorker* worker =
-        new GameListWorker(vfs, provider, game_dirs, compatibility_list, system);
+        new GameListWorker(vfs, provider, game_dirs, compatibility_list, play_time_manager, system);
 
     connect(worker, &GameListWorker::EntryReady, this, &GameList::AddEntry, Qt::QueuedConnection);
     connect(worker, &GameListWorker::DirEntryReady, this, &GameList::AddDirEntry,

src/yuzu/game_list.h

@@ -18,6 +18,7 @@
 #include "core/core.h"
 #include "uisettings.h"
 #include "yuzu/compatibility_list.h"
+#include "yuzu/play_time_manager.h"
 
 namespace Core {
 class System;
@@ -75,11 +76,13 @@ public:
         COLUMN_ADD_ONS,
         COLUMN_FILE_TYPE,
         COLUMN_SIZE,
+        COLUMN_PLAY_TIME,
         COLUMN_COUNT, // Number of columns
     };
 
     explicit GameList(std::shared_ptr<FileSys::VfsFilesystem> vfs_,
-                      FileSys::ManualContentProvider* provider_, Core::System& system_,
+                      FileSys::ManualContentProvider* provider_,
+                      PlayTime::PlayTimeManager& play_time_manager_, Core::System& system_,
                       GMainWindow* parent = nullptr);
     ~GameList() override;
 
@@ -113,6 +116,7 @@ signals:
     void RemoveInstalledEntryRequested(u64 program_id, InstalledEntryType type);
     void RemoveFileRequested(u64 program_id, GameListRemoveTarget target,
                              const std::string& game_path);
+    void RemovePlayTimeRequested(u64 program_id);
     void DumpRomFSRequested(u64 program_id, const std::string& game_path, DumpRomFSTarget target);
     void VerifyIntegrityRequested(const std::string& game_path);
     void CopyTIDRequested(u64 program_id);
@@ -168,6 +172,7 @@ private:
 
     friend class GameListSearchField;
 
+    const PlayTime::PlayTimeManager& play_time_manager;
     Core::System& system;
 };
 

src/yuzu/game_list_p.h

@@ -18,6 +18,7 @@
 #include "common/common_types.h"
 #include "common/logging/log.h"
 #include "common/string_util.h"
+#include "yuzu/play_time_manager.h"
 #include "yuzu/uisettings.h"
 #include "yuzu/util/util.h"
 
@@ -221,6 +222,31 @@ public:
     }
 };
 
+/**
+ * GameListItem for Play Time values.
+ * This object stores the play time of a game in seconds, and its readable
+ * representation in minutes/hours
+ */
+class GameListItemPlayTime : public GameListItem {
+public:
+    static constexpr int PlayTimeRole = SortRole;
+
+    GameListItemPlayTime() = default;
+    explicit GameListItemPlayTime(const qulonglong time_seconds) {
+        setData(time_seconds, PlayTimeRole);
+    }
+
+    void setData(const QVariant& value, int role) override {
+        qulonglong time_seconds = value.toULongLong();
+        GameListItem::setData(PlayTime::ReadablePlayTime(time_seconds), Qt::DisplayRole);
+        GameListItem::setData(value, PlayTimeRole);
+    }
+
+    bool operator<(const QStandardItem& other) const override {
+        return data(PlayTimeRole).toULongLong() < other.data(PlayTimeRole).toULongLong();
+    }
+};
+
 class GameListDir : public GameListItem {
 public:
     static constexpr int GameDirRole = Qt::UserRole + 2;

src/yuzu/game_list_worker.cpp

@@ -194,6 +194,7 @@ QList<QStandardItem*> MakeGameListEntry(const std::string& path, const std::stri
                                         const std::size_t size, const std::vector<u8>& icon,
                                         Loader::AppLoader& loader, u64 program_id,
                                         const CompatibilityList& compatibility_list,
+                                        const PlayTime::PlayTimeManager& play_time_manager,
                                         const FileSys::PatchManager& patch) {
     const auto it = FindMatchingCompatibilityEntry(compatibility_list, program_id);
 
@@ -212,6 +213,7 @@ QList<QStandardItem*> MakeGameListEntry(const std::string& path, const std::stri
         new GameListItemCompat(compatibility),
         new GameListItem(file_type_string),
         new GameListItemSize(size),
+        new GameListItemPlayTime(play_time_manager.GetPlayTime(program_id)),
     };
 
     const auto patch_versions = GetGameListCachedObject(
@@ -227,9 +229,12 @@ QList<QStandardItem*> MakeGameListEntry(const std::string& path, const std::stri
 GameListWorker::GameListWorker(FileSys::VirtualFilesystem vfs_,
                                FileSys::ManualContentProvider* provider_,
                                QVector<UISettings::GameDir>& game_dirs_,
-                               const CompatibilityList& compatibility_list_, Core::System& system_)
+                               const CompatibilityList& compatibility_list_,
+                               const PlayTime::PlayTimeManager& play_time_manager_,
+                               Core::System& system_)
     : vfs{std::move(vfs_)}, provider{provider_}, game_dirs{game_dirs_},
-      compatibility_list{compatibility_list_}, system{system_} {}
+      compatibility_list{compatibility_list_},
+      play_time_manager{play_time_manager_}, system{system_} {}
 
 GameListWorker::~GameListWorker() = default;
 
@@ -280,7 +285,7 @@ void GameListWorker::AddTitlesToGameList(GameListDir* parent_dir) {
         }
 
         emit EntryReady(MakeGameListEntry(file->GetFullPath(), name, file->GetSize(), icon, *loader,
-                                          program_id, compatibility_list, patch),
+                                          program_id, compatibility_list, play_time_manager, patch),
                         parent_dir);
     }
 }
@@ -357,7 +362,8 @@ void GameListWorker::ScanFileSystem(ScanTarget target, const std::string& dir_pa
 
                         emit EntryReady(MakeGameListEntry(physical_name, name,
                                                           Common::FS::GetSize(physical_name), icon,
-                                                          *loader, id, compatibility_list, patch),
+                                                          *loader, id, compatibility_list,
+                                                          play_time_manager, patch),
                                         parent_dir);
                     }
                 } else {
@@ -370,10 +376,11 @@ void GameListWorker::ScanFileSystem(ScanTarget target, const std::string& dir_pa
                     const FileSys::PatchManager patch{program_id, system.GetFileSystemController(),
                                                       system.GetContentProvider()};
 
-                    emit EntryReady(
-                        MakeGameListEntry(physical_name, name, Common::FS::GetSize(physical_name),
-                                          icon, *loader, program_id, compatibility_list, patch),
-                        parent_dir);
+                    emit EntryReady(MakeGameListEntry(physical_name, name,
+                                                      Common::FS::GetSize(physical_name), icon,
+                                                      *loader, program_id, compatibility_list,
+                                                      play_time_manager, patch),
+                                    parent_dir);
                 }
             }
         } else if (is_dir) {

src/yuzu/game_list_worker.h

@@ -13,6 +13,7 @@
 #include <QString>
 
 #include "yuzu/compatibility_list.h"
+#include "yuzu/play_time_manager.h"
 
 namespace Core {
 class System;
@@ -36,7 +37,9 @@ public:
     explicit GameListWorker(std::shared_ptr<FileSys::VfsFilesystem> vfs_,
                             FileSys::ManualContentProvider* provider_,
                             QVector<UISettings::GameDir>& game_dirs_,
-                            const CompatibilityList& compatibility_list_, Core::System& system_);
+                            const CompatibilityList& compatibility_list_,
+                            const PlayTime::PlayTimeManager& play_time_manager_,
+                            Core::System& system_);
     ~GameListWorker() override;
 
     /// Starts the processing of directory tree information.
@@ -76,6 +79,7 @@ private:
     FileSys::ManualContentProvider* provider;
     QVector<UISettings::GameDir>& game_dirs;
     const CompatibilityList& compatibility_list;
+    const PlayTime::PlayTimeManager& play_time_manager;
 
     QStringList watch_list;
     std::atomic_bool stop_processing;

src/yuzu/main.cpp

@@ -98,6 +98,7 @@ static FileSys::VirtualFile VfsDirectoryCreateFileWrapper(const FileSys::Virtual
 #include "common/scm_rev.h"
 #include "common/scope_exit.h"
 #ifdef _WIN32
+#include <shlobj.h>
 #include "common/windows/timer_resolution.h"
 #endif
 #ifdef ARCHITECTURE_x86_64
@@ -150,6 +151,7 @@ static FileSys::VirtualFile VfsDirectoryCreateFileWrapper(const FileSys::Virtual
 #include "yuzu/install_dialog.h"
 #include "yuzu/loading_screen.h"
 #include "yuzu/main.h"
+#include "yuzu/play_time_manager.h"
 #include "yuzu/startup_checks.h"
 #include "yuzu/uisettings.h"
 #include "yuzu/util/clickable_label.h"
@@ -338,6 +340,8 @@ GMainWindow::GMainWindow(std::unique_ptr<Config> config_, bool has_broken_vulkan
     SetDiscordEnabled(UISettings::values.enable_discord_presence.GetValue());
     discord_rpc->Update();
 
+    play_time_manager = std::make_unique<PlayTime::PlayTimeManager>();
+
     system->GetRoomNetwork().Init();
 
     RegisterMetaTypes();
@@ -986,7 +990,7 @@ void GMainWindow::InitializeWidgets() {
     render_window = new GRenderWindow(this, emu_thread.get(), input_subsystem, *system);
     render_window->hide();
 
-    game_list = new GameList(vfs, provider.get(), *system, this);
+    game_list = new GameList(vfs, provider.get(), *play_time_manager, *system, this);
     ui->horizontalLayout->addWidget(game_list);
 
     game_list_placeholder = new GameListPlaceholder(this);
@@ -1461,6 +1465,8 @@ void GMainWindow::ConnectWidgetEvents() {
     connect(game_list, &GameList::RemoveInstalledEntryRequested, this,
             &GMainWindow::OnGameListRemoveInstalledEntry);
     connect(game_list, &GameList::RemoveFileRequested, this, &GMainWindow::OnGameListRemoveFile);
+    connect(game_list, &GameList::RemovePlayTimeRequested, this,
+            &GMainWindow::OnGameListRemovePlayTimeData);
     connect(game_list, &GameList::DumpRomFSRequested, this, &GMainWindow::OnGameListDumpRomFS);
     connect(game_list, &GameList::VerifyIntegrityRequested, this,
             &GMainWindow::OnGameListVerifyIntegrity);
@@ -2535,6 +2541,17 @@ void GMainWindow::OnGameListRemoveFile(u64 program_id, GameListRemoveTarget targ
     }
 }
 
+void GMainWindow::OnGameListRemovePlayTimeData(u64 program_id) {
+    if (QMessageBox::question(this, tr("Remove Play Time Data"), tr("Reset play time?"),
+                              QMessageBox::Yes | QMessageBox::No,
+                              QMessageBox::No) != QMessageBox::Yes) {
+        return;
+    }
+
+    play_time_manager->ResetProgramPlayTime(program_id);
+    game_list->PopulateAsync(UISettings::values.game_dirs);
+}
+
 void GMainWindow::RemoveTransferableShaderCache(u64 program_id, GameListRemoveTarget target) {
     const auto target_file_name = [target] {
         switch (target) {
@@ -2826,7 +2843,6 @@ void GMainWindow::OnGameListCreateShortcut(u64 program_id, const std::string& ga
     const QStringList args = QApplication::arguments();
     std::filesystem::path yuzu_command = args[0].toStdString();
 
-#if defined(__linux__) || defined(__FreeBSD__)
     // If relative path, make it an absolute path
     if (yuzu_command.c_str()[0] == '.') {
         yuzu_command = Common::FS::GetCurrentDir() / yuzu_command;
@@ -2849,12 +2865,14 @@ void GMainWindow::OnGameListCreateShortcut(u64 program_id, const std::string& ga
         UISettings::values.shortcut_already_warned = true;
     }
 #endif // __linux__
-#endif // __linux__ || __FreeBSD__
 
     std::filesystem::path target_directory{};
     // Determine target directory for shortcut
-#if defined(__linux__) || defined(__FreeBSD__)
+#if defined(WIN32)
+    const char* home = std::getenv("USERPROFILE");
+#else
     const char* home = std::getenv("HOME");
+#endif
     const std::filesystem::path home_path = (home == nullptr ? "~" : home);
     const char* xdg_data_home = std::getenv("XDG_DATA_HOME");
 
@@ -2864,7 +2882,7 @@ void GMainWindow::OnGameListCreateShortcut(u64 program_id, const std::string& ga
             QMessageBox::critical(
                 this, tr("Create Shortcut"),
                 tr("Cannot create shortcut on desktop. Path \"%1\" does not exist.")
-                    .arg(QString::fromStdString(target_directory)),
+                    .arg(QString::fromStdString(target_directory.generic_string())),
                 QMessageBox::StandardButton::Ok);
             return;
         }
@@ -2872,15 +2890,15 @@ void GMainWindow::OnGameListCreateShortcut(u64 program_id, const std::string& ga
         target_directory = (xdg_data_home == nullptr ? home_path / ".local/share" : xdg_data_home) /
                            "applications";
         if (!Common::FS::CreateDirs(target_directory)) {
-            QMessageBox::critical(this, tr("Create Shortcut"),
-                                  tr("Cannot create shortcut in applications menu. Path \"%1\" "
-                                     "does not exist and cannot be created.")
-                                      .arg(QString::fromStdString(target_directory)),
-                                  QMessageBox::StandardButton::Ok);
+            QMessageBox::critical(
+                this, tr("Create Shortcut"),
+                tr("Cannot create shortcut in applications menu. Path \"%1\" "
+                   "does not exist and cannot be created.")
+                    .arg(QString::fromStdString(target_directory.generic_string())),
+                QMessageBox::StandardButton::Ok);
             return;
         }
     }
-#endif
 
     const std::string game_file_name = std::filesystem::path(game_path).filename().string();
     // Determine full paths for icon and shortcut
@@ -2902,9 +2920,14 @@ void GMainWindow::OnGameListCreateShortcut(u64 program_id, const std::string& ga
     const std::filesystem::path shortcut_path =
         target_directory / (program_id == 0 ? fmt::format("yuzu-{}.desktop", game_file_name)
                                             : fmt::format("yuzu-{:016X}.desktop", program_id));
+#elif defined(WIN32)
+    std::filesystem::path icons_path =
+        Common::FS::GetYuzuPathString(Common::FS::YuzuPath::IconsDir);
+    std::filesystem::path icon_path =
+        icons_path / ((program_id == 0 ? fmt::format("yuzu-{}.ico", game_file_name)
+                                       : fmt::format("yuzu-{:016X}.ico", program_id)));
 #else
-    const std::filesystem::path icon_path{};
-    const std::filesystem::path shortcut_path{};
+    std::string icon_extension;
 #endif
 
     // Get title from game file
@@ -2929,29 +2952,37 @@ void GMainWindow::OnGameListCreateShortcut(u64 program_id, const std::string& ga
         LOG_WARNING(Frontend, "Could not read icon from {:s}", game_path);
     }
 
-    QImage icon_jpeg =
+    QImage icon_data =
         QImage::fromData(icon_image_file.data(), static_cast<int>(icon_image_file.size()));
 #if defined(__linux__) || defined(__FreeBSD__)
     // Convert and write the icon as a PNG
-    if (!icon_jpeg.save(QString::fromStdString(icon_path.string()))) {
+    if (!icon_data.save(QString::fromStdString(icon_path.string()))) {
         LOG_ERROR(Frontend, "Could not write icon as PNG to file");
     } else {
         LOG_INFO(Frontend, "Wrote an icon to {}", icon_path.string());
     }
+#elif defined(WIN32)
+    if (!SaveIconToFile(icon_path.string(), icon_data)) {
+        LOG_ERROR(Frontend, "Could not write icon to file");
+        return;
+    }
 #endif // __linux__
 
-#if defined(__linux__) || defined(__FreeBSD__)
+#ifdef _WIN32
+    // Replace characters that are illegal in Windows filenames by a dash
+    const std::string illegal_chars = "<>:\"/\\|?*";
+    for (char c : illegal_chars) {
+        std::replace(title.begin(), title.end(), c, '_');
+    }
+    const std::filesystem::path shortcut_path = target_directory / (title + ".lnk").c_str();
+#endif
+
     const std::string comment =
         tr("Start %1 with the yuzu Emulator").arg(QString::fromStdString(title)).toStdString();
     const std::string arguments = fmt::format("-g \"{:s}\"", game_path);
     const std::string categories = "Game;Emulator;Qt;";
     const std::string keywords = "Switch;Nintendo;";
-#else
-    const std::string comment{};
-    const std::string arguments{};
-    const std::string categories{};
-    const std::string keywords{};
-#endif
+
     if (!CreateShortcut(shortcut_path.string(), title, comment, icon_path.string(),
                         yuzu_command.string(), arguments, categories, keywords)) {
         QMessageBox::critical(this, tr("Create Shortcut"),
@@ -3358,6 +3389,9 @@ void GMainWindow::OnStartGame() {
     UpdateMenuState();
     OnTasStateChanged();
 
+    play_time_manager->SetProgramId(system->GetApplicationProcessProgramID());
+    play_time_manager->Start();
+
     discord_rpc->Update();
 }
 
@@ -3373,6 +3407,7 @@ void GMainWindow::OnRestartGame() {
 
 void GMainWindow::OnPauseGame() {
     emu_thread->SetRunning(false);
+    play_time_manager->Stop();
     UpdateMenuState();
     AllowOSSleep();
 }
@@ -3393,6 +3428,9 @@ void GMainWindow::OnStopGame() {
         return;
     }
 
+    play_time_manager->Stop();
+    // Update game list to show new play time
+    game_list->PopulateAsync(UISettings::values.game_dirs);
     if (OnShutdownBegin()) {
         OnShutdownBeginDialog();
     } else {
@@ -3965,6 +4003,34 @@ bool GMainWindow::CreateShortcut(const std::string& shortcut_path, const std::st
     shortcut_stream << shortcut_contents;
     shortcut_stream.close();
 
+    return true;
+#elif defined(WIN32)
+    IShellLinkW* shell_link;
+    auto hres = CoCreateInstance(CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER, IID_IShellLinkW,
+                                 (void**)&shell_link);
+    if (FAILED(hres)) {
+        return false;
+    }
+    shell_link->SetPath(
+        Common::UTF8ToUTF16W(command).data()); // Path to the object we are referring to
+    shell_link->SetArguments(Common::UTF8ToUTF16W(arguments).data());
+    shell_link->SetDescription(Common::UTF8ToUTF16W(comment).data());
+    shell_link->SetIconLocation(Common::UTF8ToUTF16W(icon_path).data(), 0);
+
+    IPersistFile* persist_file;
+    hres = shell_link->QueryInterface(IID_IPersistFile, (void**)&persist_file);
+    if (FAILED(hres)) {
+        return false;
+    }
+
+    hres = persist_file->Save(Common::UTF8ToUTF16W(shortcut_path).data(), TRUE);
+    if (FAILED(hres)) {
+        return false;
+    }
+
+    persist_file->Release();
+    shell_link->Release();
+
     return true;
 #endif
     return false;

src/yuzu/main.h

@@ -81,6 +81,10 @@ namespace DiscordRPC {
 class DiscordInterface;
 }
 
+namespace PlayTime {
+class PlayTimeManager;
+}
+
 namespace FileSys {
 class ContentProvider;
 class ManualContentProvider;
@@ -323,6 +327,7 @@ private slots:
     void OnGameListRemoveInstalledEntry(u64 program_id, InstalledEntryType type);
     void OnGameListRemoveFile(u64 program_id, GameListRemoveTarget target,
                               const std::string& game_path);
+    void OnGameListRemovePlayTimeData(u64 program_id);
     void OnGameListDumpRomFS(u64 program_id, const std::string& game_path, DumpRomFSTarget target);
     void OnGameListVerifyIntegrity(const std::string& game_path);
     void OnGameListCopyTID(u64 program_id);
@@ -389,6 +394,7 @@ private:
     void RemoveVulkanDriverPipelineCache(u64 program_id);
     void RemoveAllTransferableShaderCaches(u64 program_id);
     void RemoveCustomConfiguration(u64 program_id, const std::string& game_path);
+    void RemovePlayTimeData(u64 program_id);
     void RemoveCacheStorage(u64 program_id);
     bool SelectRomFSDumpTarget(const FileSys::ContentProvider&, u64 program_id,
                                u64* selected_title_id, u8* selected_content_record_type);
@@ -428,6 +434,7 @@ private:
 
     std::unique_ptr<Core::System> system;
     std::unique_ptr<DiscordRPC::DiscordInterface> discord_rpc;
+    std::unique_ptr<PlayTime::PlayTimeManager> play_time_manager;
     std::shared_ptr<InputCommon::InputSubsystem> input_subsystem;
 
     MultiplayerState* multiplayer_state = nullptr;

src/yuzu/play_time_manager.cpp

@@ -0,0 +1,179 @@
+// SPDX-FileCopyrightText: 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "common/alignment.h"
+#include "common/fs/file.h"
+#include "common/fs/fs.h"
+#include "common/fs/path_util.h"
+#include "common/logging/log.h"
+#include "common/settings.h"
+#include "common/thread.h"
+#include "core/hle/service/acc/profile_manager.h"
+#include "yuzu/play_time_manager.h"
+
+namespace PlayTime {
+
+namespace {
+
+struct PlayTimeElement {
+    ProgramId program_id;
+    PlayTime play_time;
+};
+
+std::optional<std::filesystem::path> GetCurrentUserPlayTimePath() {
+    const Service::Account::ProfileManager manager;
+    const auto uuid = manager.GetUser(static_cast<s32>(Settings::values.current_user));
+    if (!uuid.has_value()) {
+        return std::nullopt;
+    }
+    return Common::FS::GetYuzuPath(Common::FS::YuzuPath::PlayTimeDir) /
+           uuid->RawString().append(".bin");
+}
+
+[[nodiscard]] bool ReadPlayTimeFile(PlayTimeDatabase& out_play_time_db) {
+    const auto filename = GetCurrentUserPlayTimePath();
+
+    if (!filename.has_value()) {
+        LOG_ERROR(Frontend, "Failed to get current user path");
+        return false;
+    }
+
+    out_play_time_db.clear();
+
+    if (Common::FS::Exists(filename.value())) {
+        Common::FS::IOFile file{filename.value(), Common::FS::FileAccessMode::Read,
+                                Common::FS::FileType::BinaryFile};
+        if (!file.IsOpen()) {
+            LOG_ERROR(Frontend, "Failed to open play time file: {}",
+                      Common::FS::PathToUTF8String(filename.value()));
+            return false;
+        }
+
+        const size_t num_elements = file.GetSize() / sizeof(PlayTimeElement);
+        std::vector<PlayTimeElement> elements(num_elements);
+
+        if (file.ReadSpan<PlayTimeElement>(elements) != num_elements) {
+            return false;
+        }
+
+        for (const auto& [program_id, play_time] : elements) {
+            if (program_id != 0) {
+                out_play_time_db[program_id] = play_time;
+            }
+        }
+    }
+
+    return true;
+}
+
+[[nodiscard]] bool WritePlayTimeFile(const PlayTimeDatabase& play_time_db) {
+    const auto filename = GetCurrentUserPlayTimePath();
+
+    if (!filename.has_value()) {
+        LOG_ERROR(Frontend, "Failed to get current user path");
+        return false;
+    }
+
+    Common::FS::IOFile file{filename.value(), Common::FS::FileAccessMode::Write,
+                            Common::FS::FileType::BinaryFile};
+    if (!file.IsOpen()) {
+        LOG_ERROR(Frontend, "Failed to open play time file: {}",
+                  Common::FS::PathToUTF8String(filename.value()));
+        return false;
+    }
+
+    std::vector<PlayTimeElement> elements;
+    elements.reserve(play_time_db.size());
+
+    for (auto& [program_id, play_time] : play_time_db) {
+        if (program_id != 0) {
+            elements.push_back(PlayTimeElement{program_id, play_time});
+        }
+    }
+
+    return file.WriteSpan<PlayTimeElement>(elements) == elements.size();
+}
+
+} // namespace
+
+PlayTimeManager::PlayTimeManager() {
+    if (!ReadPlayTimeFile(database)) {
+        LOG_ERROR(Frontend, "Failed to read play time database! Resetting to default.");
+    }
+}
+
+PlayTimeManager::~PlayTimeManager() {
+    Save();
+}
+
+void PlayTimeManager::SetProgramId(u64 program_id) {
+    running_program_id = program_id;
+}
+
+void PlayTimeManager::Start() {
+    play_time_thread = std::jthread([&](std::stop_token stop_token) { AutoTimestamp(stop_token); });
+}
+
+void PlayTimeManager::Stop() {
+    play_time_thread = {};
+}
+
+void PlayTimeManager::AutoTimestamp(std::stop_token stop_token) {
+    Common::SetCurrentThreadName("PlayTimeReport");
+
+    using namespace std::literals::chrono_literals;
+    using std::chrono::seconds;
+    using std::chrono::steady_clock;
+
+    auto timestamp = steady_clock::now();
+
+    const auto GetDuration = [&]() -> u64 {
+        const auto last_timestamp = std::exchange(timestamp, steady_clock::now());
+        const auto duration = std::chrono::duration_cast<seconds>(timestamp - last_timestamp);
+        return static_cast<u64>(duration.count());
+    };
+
+    while (!stop_token.stop_requested()) {
+        Common::StoppableTimedWait(stop_token, 30s);
+
+        database[running_program_id] += GetDuration();
+        Save();
+    }
+}
+
+void PlayTimeManager::Save() {
+    if (!WritePlayTimeFile(database)) {
+        LOG_ERROR(Frontend, "Failed to update play time database!");
+    }
+}
+
+u64 PlayTimeManager::GetPlayTime(u64 program_id) const {
+    auto it = database.find(program_id);
+    if (it != database.end()) {
+        return it->second;
+    } else {
+        return 0;
+    }
+}
+
+void PlayTimeManager::ResetProgramPlayTime(u64 program_id) {
+    database.erase(program_id);
+    Save();
+}
+
+QString ReadablePlayTime(qulonglong time_seconds) {
+    if (time_seconds == 0) {
+        return {};
+    }
+    const auto time_minutes = std::max(static_cast<double>(time_seconds) / 60, 1.0);
+    const auto time_hours = static_cast<double>(time_seconds) / 3600;
+    const bool is_minutes = time_minutes < 60;
+    const char* unit = is_minutes ? "m" : "h";
+    const auto value = is_minutes ? time_minutes : time_hours;
+
+    return QStringLiteral("%L1 %2")
+        .arg(value, 0, 'f', !is_minutes && time_seconds % 60 != 0)
+        .arg(QString::fromUtf8(unit));
+}
+
+} // namespace PlayTime

src/yuzu/play_time_manager.h

@@ -0,0 +1,44 @@
+// SPDX-FileCopyrightText: 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <QString>
+
+#include <map>
+
+#include "common/common_funcs.h"
+#include "common/common_types.h"
+#include "common/polyfill_thread.h"
+
+namespace PlayTime {
+
+using ProgramId = u64;
+using PlayTime = u64;
+using PlayTimeDatabase = std::map<ProgramId, PlayTime>;
+
+class PlayTimeManager {
+public:
+    explicit PlayTimeManager();
+    ~PlayTimeManager();
+
+    YUZU_NON_COPYABLE(PlayTimeManager);
+    YUZU_NON_MOVEABLE(PlayTimeManager);
+
+    u64 GetPlayTime(u64 program_id) const;
+    void ResetProgramPlayTime(u64 program_id);
+    void SetProgramId(u64 program_id);
+    void Start();
+    void Stop();
+
+private:
+    PlayTimeDatabase database;
+    u64 running_program_id;
+    std::jthread play_time_thread;
+    void AutoTimestamp(std::stop_token stop_token);
+    void Save();
+};
+
+QString ReadablePlayTime(qulonglong time_seconds);
+
+} // namespace PlayTime

src/yuzu/uisettings.h

@@ -183,6 +183,9 @@ struct Values {
     Setting<bool> show_size{linkage, true, "show_size", Category::UiGameList};
     Setting<bool> show_types{linkage, true, "show_types", Category::UiGameList};
 
+    // Play time
+    Setting<bool> show_play_time{linkage, true, "show_play_time", Category::UiGameList};
+
     bool configuration_applied;
     bool reset_to_defaults;
     bool shortcut_already_warned{false};

src/yuzu/util/util.cpp

@@ -5,6 +5,10 @@
 #include <cmath>
 #include <QPainter>
 #include "yuzu/util/util.h"
+#ifdef _WIN32
+#include <windows.h>
+#include "common/fs/file.h"
+#endif
 
 QFont GetMonospaceFont() {
     QFont font(QStringLiteral("monospace"));
@@ -37,3 +41,76 @@ QPixmap CreateCirclePixmapFromColor(const QColor& color) {
     painter.drawEllipse({circle_pixmap.width() / 2.0, circle_pixmap.height() / 2.0}, 7.0, 7.0);
     return circle_pixmap;
 }
+
+bool SaveIconToFile(const std::string_view path, const QImage& image) {
+#if defined(WIN32)
+#pragma pack(push, 2)
+    struct IconDir {
+        WORD id_reserved;
+        WORD id_type;
+        WORD id_count;
+    };
+
+    struct IconDirEntry {
+        BYTE width;
+        BYTE height;
+        BYTE color_count;
+        BYTE reserved;
+        WORD planes;
+        WORD bit_count;
+        DWORD bytes_in_res;
+        DWORD image_offset;
+    };
+#pragma pack(pop)
+
+    QImage source_image = image.convertToFormat(QImage::Format_RGB32);
+    constexpr int bytes_per_pixel = 4;
+    const int image_size = source_image.width() * source_image.height() * bytes_per_pixel;
+
+    BITMAPINFOHEADER info_header{};
+    info_header.biSize = sizeof(BITMAPINFOHEADER), info_header.biWidth = source_image.width(),
+    info_header.biHeight = source_image.height() * 2, info_header.biPlanes = 1,
+    info_header.biBitCount = bytes_per_pixel * 8, info_header.biCompression = BI_RGB;
+
+    const IconDir icon_dir{.id_reserved = 0, .id_type = 1, .id_count = 1};
+    const IconDirEntry icon_entry{.width = static_cast<BYTE>(source_image.width()),
+                                  .height = static_cast<BYTE>(source_image.height() * 2),
+                                  .color_count = 0,
+                                  .reserved = 0,
+                                  .planes = 1,
+                                  .bit_count = bytes_per_pixel * 8,
+                                  .bytes_in_res =
+                                      static_cast<DWORD>(sizeof(BITMAPINFOHEADER) + image_size),
+                                  .image_offset = sizeof(IconDir) + sizeof(IconDirEntry)};
+
+    Common::FS::IOFile icon_file(path, Common::FS::FileAccessMode::Write,
+                                 Common::FS::FileType::BinaryFile);
+    if (!icon_file.IsOpen()) {
+        return false;
+    }
+
+    if (!icon_file.Write(icon_dir)) {
+        return false;
+    }
+    if (!icon_file.Write(icon_entry)) {
+        return false;
+    }
+    if (!icon_file.Write(info_header)) {
+        return false;
+    }
+
+    for (int y = 0; y < image.height(); y++) {
+        const auto* line = source_image.scanLine(source_image.height() - 1 - y);
+        std::vector<u8> line_data(source_image.width() * bytes_per_pixel);
+        std::memcpy(line_data.data(), line, line_data.size());
+        if (!icon_file.Write(line_data)) {
+            return false;
+        }
+    }
+    icon_file.Close();
+
+    return true;
+#else
+    return false;
+#endif
+}

src/yuzu/util/util.h

@@ -7,14 +7,22 @@
 #include <QString>
 
 /// Returns a QFont object appropriate to use as a monospace font for debugging widgets, etc.
-QFont GetMonospaceFont();
+[[nodiscard]] QFont GetMonospaceFont();
 
 /// Convert a size in bytes into a readable format (KiB, MiB, etc.)
-QString ReadableByteSize(qulonglong size);
+[[nodiscard]] QString ReadableByteSize(qulonglong size);
 
 /**
  * Creates a circle pixmap from a specified color
  * @param color The color the pixmap shall have
  * @return QPixmap circle pixmap
  */
-QPixmap CreateCirclePixmapFromColor(const QColor& color);
+[[nodiscard]] QPixmap CreateCirclePixmapFromColor(const QColor& color);
+
+/**
+ * Saves a windows icon to a file
+ * @param path The icons path
+ * @param image The image to save
+ * @return bool If the operation succeeded
+ */
+[[nodiscard]] bool SaveIconToFile(const std::string_view path, const QImage& image);