Qt: GPU settings tab

src/duckstation-qt/gpusettingswidget.h

@@ -0,0 +1,23 @@
+#pragma once
+
+#include <QtWidgets/QWidget>
+
+#include "ui_gpusettingswidget.h"
+
+class QtHostInterface;
+
+class GPUSettingsWidget : public QWidget
+{
+  Q_OBJECT
+
+public:
+  GPUSettingsWidget(QtHostInterface* host_interface, QWidget* parent = nullptr);
+  ~GPUSettingsWidget();
+
+private:
+  void setupAdditionalUi();
+
+  Ui::GPUSettingsWidget m_ui;
+
+  QtHostInterface* m_host_interface;
+};