+#elif TARGET_HOST_WIN32
+
+ case GLUT_OVERLAY_POSSIBLE:
+ /*
+ * Check if an overlay display mode is possible
+ */
+ return( fgSetupPixelFormat( fgStructure.Window, TRUE, PFD_OVERLAY_PLANE ) );
+
+ case GLUT_LAYER_IN_USE:
+ /*
+ * The normal plane is always in use
+ */
+ return( GLUT_NORMAL );
+
+ case GLUT_HAS_OVERLAY:
+ /*
+ * No window is allowed to have an overlay
+ */
+ return( FALSE );
+
+ case GLUT_TRANSPARENT_INDEX:
+ /*
+ * Return just anything, which is always defined as zero
+ */
+ return( 0 );
+
+ case GLUT_NORMAL_DAMAGED:
+ /*
+ * Actually I do not know. Maybe.
+ */
+ return( FALSE );
+
+ case GLUT_OVERLAY_DAMAGED:
+ /*
+ * Return minus one to mark that no layer is in use
+ */
+ return( -1 );
+#endif
+