frontend: Open transferable shader cache for a selected game in the gamelist

src/yuzu/game_list.cpp

@@ -329,6 +329,8 @@ void GameList::PopupContextMenu(const QPoint& menu_location) {
     QMenu context_menu;
     QAction* open_save_location = context_menu.addAction(tr("Open Save Data Location"));
     QAction* open_lfs_location = context_menu.addAction(tr("Open Mod Data Location"));
+    QAction* open_transferable_shader_cache =
+        context_menu.addAction(tr("Open Transferable Shader Cache"));
     context_menu.addSeparator();
     QAction* dump_romfs = context_menu.addAction(tr("Dump RomFS"));
     QAction* copy_tid = context_menu.addAction(tr("Copy Title ID to Clipboard"));
@@ -344,6 +346,8 @@ void GameList::PopupContextMenu(const QPoint& menu_location) {
             [&]() { emit OpenFolderRequested(program_id, GameListOpenTarget::SaveData); });
     connect(open_lfs_location, &QAction::triggered,
             [&]() { emit OpenFolderRequested(program_id, GameListOpenTarget::ModData); });
+    connect(open_transferable_shader_cache, &QAction::triggered,
+            [&]() { emit OpenTransferableShaderCacheRequested(program_id); });
     connect(dump_romfs, &QAction::triggered, [&]() { emit DumpRomFSRequested(program_id, path); });
     connect(copy_tid, &QAction::triggered, [&]() { emit CopyTIDRequested(program_id); });
     connect(navigate_to_gamedb_entry, &QAction::triggered,

src/yuzu/game_list.h

@@ -66,6 +66,7 @@ signals:
     void GameChosen(QString game_path);
     void ShouldCancelWorker();
     void OpenFolderRequested(u64 program_id, GameListOpenTarget target);
+    void OpenTransferableShaderCacheRequested(u64 program_id);
     void DumpRomFSRequested(u64 program_id, const std::string& game_path);
     void CopyTIDRequested(u64 program_id);
     void NavigateToGamedbEntryRequested(u64 program_id,

src/yuzu/main.cpp

@@ -632,6 +632,8 @@ void GMainWindow::RestoreUIState() {
 void GMainWindow::ConnectWidgetEvents() {
     connect(game_list, &GameList::GameChosen, this, &GMainWindow::OnGameListLoadFile);
     connect(game_list, &GameList::OpenFolderRequested, this, &GMainWindow::OnGameListOpenFolder);
+    connect(game_list, &GameList::OpenTransferableShaderCacheRequested, this,
+            &GMainWindow::OnTransferableShaderCacheOpenFile);
     connect(game_list, &GameList::DumpRomFSRequested, this, &GMainWindow::OnGameListDumpRomFS);
     connect(game_list, &GameList::CopyTIDRequested, this, &GMainWindow::OnGameListCopyTID);
     connect(game_list, &GameList::NavigateToGamedbEntryRequested, this,
@@ -1066,6 +1068,48 @@ void GMainWindow::OnGameListOpenFolder(u64 program_id, GameListOpenTarget target
     QDesktopServices::openUrl(QUrl::fromLocalFile(qpath));
 }
 
+void GMainWindow::OnTransferableShaderCacheOpenFile(u64 program_id) {
+    ASSERT(program_id != 0);
+
+    std::string transferable_shader_cache_file_path;
+    const std::string open_target = "Transferable Shader Cache";
+    const std::string tranferable_shader_cache_folder =
+        FileUtil::GetUserPath(FileUtil::UserPath::ShaderDir) + "opengl" + DIR_SEP "transferable";
+
+    transferable_shader_cache_file_path.append(tranferable_shader_cache_folder);
+    transferable_shader_cache_file_path.append(DIR_SEP);
+    transferable_shader_cache_file_path.append(fmt::format("{:016X}", program_id));
+    transferable_shader_cache_file_path.append(".bin");
+
+    const QString qpath_transferable_shader_cache_file =
+        QString::fromStdString(transferable_shader_cache_file_path);
+
+    const QFile qfile(qpath_transferable_shader_cache_file);
+    if (!qfile.exists()) {
+        QMessageBox::warning(this,
+                             tr("Error Opening %1 File").arg(QString::fromStdString(open_target)),
+                             tr("File does not exist!"));
+        return;
+    }
+    LOG_INFO(Frontend, "Opening {} path for program_id={:016x}", open_target, program_id);
+
+    // Windows supports opening a folder with selecting a specified file in explorer. On every other
+    // OS we just open the transferable shader cache folder without preselecting the transferable
+    // shader cache file for the selected game.
+#if defined(Q_OS_WIN)
+    const QString explorer = "explorer";
+    QStringList param;
+    if (!QFileInfo(qpath_transferable_shader_cache_file).isDir())
+        param << QLatin1String("/select,");
+    param << QDir::toNativeSeparators(qpath_transferable_shader_cache_file);
+    QProcess::startDetached(explorer, param);
+#else
+    const QString qpath_transferable_shader_cache_folder =
+        QString::fromStdString(tranferable_shader_cache_folder);
+    QDesktopServices::openUrl(QUrl::fromLocalFile(qpath_transferable_shader_cache_folder));
+#endif
+}
+
 static std::size_t CalculateRomFSEntrySize(const FileSys::VirtualDir& dir, bool full) {
     std::size_t out = 0;
 

src/yuzu/main.h

@@ -176,6 +176,7 @@ private slots:
     /// Called whenever a user selects a game in the game list widget.
     void OnGameListLoadFile(QString game_path);
     void OnGameListOpenFolder(u64 program_id, GameListOpenTarget target);
+    void OnTransferableShaderCacheOpenFile(u64 program_id);
     void OnGameListDumpRomFS(u64 program_id, const std::string& game_path);
     void OnGameListCopyTID(u64 program_id);
     void OnGameListNavigateToGamedbEntry(u64 program_id,