/* If you uncomment this directive, you'll choose raw xlib video rendering */
-#define __PTC_XLIB__
+/* #define __PTC_XLIB__ */
/* If you uncomment this directive, you'll choose X Shared memory extension
* video rendering */
-/* #define __PTC_XSHM__ */
+#define __PTC_XSHM__
/* If you uncomment this directive, you'll choose X Double buffer extension
* video rendering */