Add ability to get display width in bytes for display memory, this

may be the same as visual width or larger.
This is seen on iMacDV systems running at 640x480 or 800x600 with a linebytes
of 1024.

1 files changed, 5 insertions, 1 deletions

diff --git a/sys/dev/wscons/wsconsio.h b/sys/dev/wscons/wsconsio.h
index 457764baffc..daff0afb1a2 100644
--- a/sys/dev/wscons/wsconsio.h
+++ b/sys/dev/wscons/wsconsio.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: wsconsio.h,v 1.5 2001/02/10 19:42:06 mickey Exp $ */
+/* $OpenBSD: wsconsio.h,v 1.6 2001/02/28 19:12:40 drahn Exp $ */
 /* $NetBSD: wsconsio.h,v 1.31.2.1 2000/07/07 09:49:17 hannken Exp $ */
 
 /*
@@ -334,6 +334,10 @@ struct wsdisplay_usefontdata {
 };
 #define WSDISPLAYIO_USEFONT	_IOW('W', 80, struct wsdisplay_usefontdata)
 
+/* Display information: number of bytes per row, may be same as pixels */
+#define	WSDISPLAYIO_LINEBYTES	_IOR('W', 95, u_int)
+
+
 /* Replaced by WSMUX_{ADD,REMOVE}_DEVICE */
 struct wsdisplay_kbddata {
 	int op;