Add UI and accessors for Rescaling profiles

src/video_core/texture_cache/resolution_scaling/database.cpp

@@ -19,6 +19,10 @@ namespace VideoCommon::Resolution {
 
 using namespace nlohmann;
 
+std::string GetBaseDir() {
+    return FileUtil::GetUserPath(FileUtil::UserPath::RescalingDir);
+}
+
 ScalingDatabase::ScalingDatabase(Core::System& system) : database{}, blacklist{}, system{system} {
     title_id = 0;
 }
@@ -63,6 +67,11 @@ void ScalingDatabase::LoadDatabase() {
 }
 
 void ScalingDatabase::SaveDatabase() {
+    std::string dir = GetBaseDir();
+    if (!FileUtil::CreateDir(dir)) {
+        LOG_ERROR(HW_GPU, "Failed to create directory={}", dir);
+        return;
+    }
     json out;
     out["version"] = DBVersion;
     auto entries = json::array();
@@ -102,10 +111,6 @@ void ScalingDatabase::Unregister(const PixelFormat format, const u32 width, cons
     blacklist.insert(key);
 }
 
-std::string GetBaseDir() {
-    return FileUtil::GetUserPath(FileUtil::UserPath::RescalingDir);
-}
-
 std::string ScalingDatabase::GetTitleID() const {
     return fmt::format("{:016X}", title_id);
 }

src/yuzu/game_list.cpp

@@ -471,6 +471,7 @@ void GameList::AddGamePopup(QMenu& context_menu, u64 program_id, std::string pat
     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"));
+    QAction* open_rescaling_profile_cache = context_menu.addAction(tr("Open Rescaling Profile"));
     context_menu.addSeparator();
     QAction* dump_romfs = context_menu.addAction(tr("Dump RomFS"));
     QAction* copy_tid = context_menu.addAction(tr("Copy Title ID to Clipboard"));
@@ -490,6 +491,8 @@ void GameList::AddGamePopup(QMenu& context_menu, u64 program_id, std::string pat
     });
     connect(open_transferable_shader_cache, &QAction::triggered,
             [this, program_id]() { emit OpenTransferableShaderCacheRequested(program_id); });
+    connect(open_rescaling_profile_cache, &QAction::triggered,
+            [&]() { emit OpenResolutionProfileRequested(program_id); });
     connect(dump_romfs, &QAction::triggered,
             [this, program_id, path]() { emit DumpRomFSRequested(program_id, path); });
     connect(copy_tid, &QAction::triggered,

src/yuzu/game_list.h

@@ -75,6 +75,7 @@ signals:
     void ShouldCancelWorker();
     void OpenFolderRequested(u64 program_id, GameListOpenTarget target);
     void OpenTransferableShaderCacheRequested(u64 program_id);
+    void OpenResolutionProfileRequested(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

@@ -681,6 +681,8 @@ void GMainWindow::ConnectWidgetEvents() {
     connect(game_list, &GameList::OpenFolderRequested, this, &GMainWindow::OnGameListOpenFolder);
     connect(game_list, &GameList::OpenTransferableShaderCacheRequested, this,
             &GMainWindow::OnTransferableShaderCacheOpenFile);
+    connect(game_list, &GameList::OpenResolutionProfileRequested, this,
+            &GMainWindow::OnResolutionProfileOpenFile);
     connect(game_list, &GameList::DumpRomFSRequested, this, &GMainWindow::OnGameListDumpRomFS);
     connect(game_list, &GameList::CopyTIDRequested, this, &GMainWindow::OnGameListCopyTID);
     connect(game_list, &GameList::NavigateToGamedbEntryRequested, this,
@@ -1180,6 +1182,36 @@ void GMainWindow::OnTransferableShaderCacheOpenFile(u64 program_id) {
 #endif
 }
 
+void GMainWindow::OnResolutionProfileOpenFile(u64 program_id) {
+    ASSERT(program_id != 0);
+
+    const QString rescaling_dir =
+        QString::fromStdString(FileUtil::GetUserPath(FileUtil::UserPath::RescalingDir));
+    const QString rescaling_profile_file_path =
+        rescaling_dir + QString::fromStdString(fmt::format("{:016X}.json", program_id));
+
+    if (!QFile::exists(rescaling_profile_file_path)) {
+        QMessageBox::warning(this, tr("Error Opening Rescaling Profile"),
+                             tr("A rescaling profile for this title does not exist."));
+        return;
+    }
+
+    // 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 = QStringLiteral("explorer");
+    QStringList param;
+    if (!QFileInfo(rescaling_profile_file_path).isDir()) {
+        param << QStringLiteral("/select,");
+    }
+    param << QDir::toNativeSeparators(rescaling_profile_file_path);
+    QProcess::startDetached(explorer, param);
+#else
+    QDesktopServices::openUrl(QUrl::fromLocalFile(rescaling_dir));
+#endif
+}
+
 static std::size_t CalculateRomFSEntrySize(const FileSys::VirtualDir& dir, bool full) {
     std::size_t out = 0;
 

src/yuzu/main.h

@@ -185,6 +185,7 @@ private slots:
     void OnGameListLoadFile(QString game_path);
     void OnGameListOpenFolder(u64 program_id, GameListOpenTarget target);
     void OnTransferableShaderCacheOpenFile(u64 program_id);
+    void OnResolutionProfileOpenFile(u64 program_id);
     void OnGameListDumpRomFS(u64 program_id, const std::string& game_path);
     void OnGameListCopyTID(u64 program_id);
     void OnGameListNavigateToGamedbEntry(u64 program_id,