4 files changed, 55 insertions, 0 deletions

diff --git a/src/yuzu/game_list.cpp b/src/yuzu/game_list.cpp
index b5a02700d..6842ced3e 100644
--- a/src/yuzu/game_list.cpp
+++ b/src/yuzu/game_list.cpp
@@ -557,6 +557,7 @@ void GameList::AddGamePopup(QMenu& context_menu, u64 program_id, const std::stri
     QMenu* dump_romfs_menu = context_menu.addMenu(tr("Dump RomFS"));
     QAction* dump_romfs = dump_romfs_menu->addAction(tr("Dump RomFS"));
     QAction* dump_romfs_sdmc = dump_romfs_menu->addAction(tr("Dump RomFS to SDMC"));
+    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
@@ -628,6 +629,8 @@ void GameList::AddGamePopup(QMenu& context_menu, u64 program_id, const std::stri
     connect(dump_romfs_sdmc, &QAction::triggered, [this, program_id, path]() {
         emit DumpRomFSRequested(program_id, path, DumpRomFSTarget::SDMC);
     });
+    connect(verify_integrity, &QAction::triggered,
+            [this, path]() { emit VerifyIntegrityRequested(path); });
     connect(copy_tid, &QAction::triggered,
             [this, program_id]() { emit CopyTIDRequested(program_id); });
     connect(navigate_to_gamedb_entry, &QAction::triggered, [this, program_id]() {
diff --git a/src/yuzu/game_list.h b/src/yuzu/game_list.h
index 6c2f75e53..8aea646b2 100644
--- a/src/yuzu/game_list.h
+++ b/src/yuzu/game_list.h
@@ -113,6 +113,7 @@ signals:
     void RemoveFileRequested(u64 program_id, GameListRemoveTarget target,
                              const std::string& game_path);
     void DumpRomFSRequested(u64 program_id, const std::string& game_path, DumpRomFSTarget target);
+    void VerifyIntegrityRequested(const std::string& game_path);
     void CopyTIDRequested(u64 program_id);
     void CreateShortcut(u64 program_id, const std::string& game_path,
                         GameListShortcutTarget target);
diff --git a/src/yuzu/main.cpp b/src/yuzu/main.cpp
index f2e6c03f0..0bef1ebfe 100644
--- a/src/yuzu/main.cpp
+++ b/src/yuzu/main.cpp
@@ -1447,6 +1447,8 @@ void GMainWindow::ConnectWidgetEvents() {
             &GMainWindow::OnGameListRemoveInstalledEntry);
     connect(game_list, &GameList::RemoveFileRequested, this, &GMainWindow::OnGameListRemoveFile);
     connect(game_list, &GameList::DumpRomFSRequested, this, &GMainWindow::OnGameListDumpRomFS);
+    connect(game_list, &GameList::VerifyIntegrityRequested, this,
+            &GMainWindow::OnGameListVerifyIntegrity);
     connect(game_list, &GameList::CopyTIDRequested, this, &GMainWindow::OnGameListCopyTID);
     connect(game_list, &GameList::NavigateToGamedbEntryRequested, this,
             &GMainWindow::OnGameListNavigateToGamedbEntry);
@@ -2684,6 +2686,54 @@ void GMainWindow::OnGameListDumpRomFS(u64 program_id, const std::string& game_pa
     }
 }
 
+void GMainWindow::OnGameListVerifyIntegrity(const std::string& game_path) {
+    const auto NotImplemented = [this] {
+        QMessageBox::warning(this, tr("Integrity verification couldn't be performed!"),
+                             tr("File contents were not checked for validity."));
+    };
+    const auto Failed = [this] {
+        QMessageBox::critical(this, tr("Integrity verification failed!"),
+                              tr("File contents may be corrupt."));
+    };
+
+    const auto loader = Loader::GetLoader(*system, vfs->OpenFile(game_path, FileSys::Mode::Read));
+    if (loader == nullptr) {
+        NotImplemented();
+        return;
+    }
+
+    QProgressDialog progress(tr("Verifying integrity..."), tr("Cancel"), 0, 100, this);
+    progress.setWindowModality(Qt::WindowModal);
+    progress.setMinimumDuration(100);
+    progress.setAutoClose(false);
+    progress.setAutoReset(false);
+
+    const auto QtProgressCallback = [&](size_t processed_size, size_t total_size) {
+        if (progress.wasCanceled()) {
+            return false;
+        }
+
+        progress.setValue(static_cast<int>((processed_size * 100) / total_size));
+        return true;
+    };
+
+    const auto status = loader->VerifyIntegrity(QtProgressCallback);
+    if (progress.wasCanceled() ||
+        status == Loader::ResultStatus::ErrorIntegrityVerificationNotImplemented) {
+        NotImplemented();
+        return;
+    }
+
+    if (status == Loader::ResultStatus::ErrorIntegrityVerificationFailed) {
+        Failed();
+        return;
+    }
+
+    progress.close();
+    QMessageBox::information(this, tr("Integrity verification succeeded!"),
+                             tr("The operation completed successfully."));
+}
+
 void GMainWindow::OnGameListCopyTID(u64 program_id) {
     QClipboard* clipboard = QGuiApplication::clipboard();
     clipboard->setText(QString::fromStdString(fmt::format("{:016X}", program_id)));
diff --git a/src/yuzu/main.h b/src/yuzu/main.h
index 668dbc3b1..1e4f6e477 100644
--- a/src/yuzu/main.h
+++ b/src/yuzu/main.h
@@ -313,6 +313,7 @@ private slots:
     void OnGameListRemoveFile(u64 program_id, GameListRemoveTarget target,
                               const std::string& game_path);
     void OnGameListDumpRomFS(u64 program_id, const std::string& game_path, DumpRomFSTarget target);
+    void OnGameListVerifyIntegrity(const std::string& game_path);
     void OnGameListCopyTID(u64 program_id);
     void OnGameListNavigateToGamedbEntry(u64 program_id,
                                          const CompatibilityList& compatibility_list);