+ <xidtype name="FBCONFIG" />
+
+ <union name="DRAWABLE">
+ <field type="xcb_types:WINDOW" name="window" />
+ <field type="PBUFFER" name="glx_pbuffer" />
+ <field type="glx:PIXMAP" name="glx_pixmap" />
+ <field type="glx:WINDOW" name="glx_window" />
+ </union>