+#if defined(PLATFORM_UNIX)
+/* This triggers some stuff that is needed because X11 (XSetClipOrigin(),
+ to be precise) is often very slow when preparing a masked XCopyArea()
+ for big Pixmaps.
+ To prevent this, small (tile-sized) mask Pixmaps are created which will
+ then be set much faster with XSetClipOrigin() and speed things up a lot. */
+#define TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND
+#endif
+