--- /dev/null
+#ifndef DBG_GUI_H_
+#define DBG_GUI_H_
+
+#include "imgui/imgui.h"
+
+bool init_debug_gui();
+void cleanup_debug_gui();
+
+void debug_gui_reshape(int x, int y);
+bool debug_gui_key(int key, bool press, unsigned int modstate);
+bool debug_gui_mbutton(int bn, bool press, int x, int y);
+bool debug_gui_mmotion(int x, int y);
+
+#endif // DBG_GUI_H_