Module Name: src
Committed By: macallan
Date: Wed Apr 26 21:03:52 UTC 2017
Modified Files:
src/sys/dev/wscons: wsdisplay_vcons.c
Log Message:
properly optimize drawing stretches of blanks that are interrupted only by
a change in background colour or flags
To generate a diff of this commit:
cvs rdiff -u -r1.35 -r1.36 src/sys/dev/wscons/wsdisplay_vcons.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/dev/wscons/wsdisplay_vcons.c
diff -u src/sys/dev/wscons/wsdisplay_vcons.c:1.35 src/sys/dev/wscons/wsdisplay_vcons.c:1.36
--- src/sys/dev/wscons/wsdisplay_vcons.c:1.35 Sun Nov 8 16:49:20 2015
+++ src/sys/dev/wscons/wsdisplay_vcons.c Wed Apr 26 21:03:52 2017
@@ -1,4 +1,4 @@
-/* $NetBSD: wsdisplay_vcons.c,v 1.35 2015/11/08 16:49:20 christos Exp $ */
+/* $NetBSD: wsdisplay_vcons.c,v 1.36 2017/04/26 21:03:52 macallan Exp $ */
/*-
* Copyright (c) 2005, 2006 Michael Lorenz
@@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: wsdisplay_vcons.c,v 1.35 2015/11/08 16:49:20 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: wsdisplay_vcons.c,v 1.36 2017/04/26 21:03:52 macallan Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -421,7 +421,7 @@ vcons_redraw_screen(struct vcons_screen
int i, j, offset, boffset = 0, start = -1;
mask = 0x00ff00ff; /* background and flags */
- cmp = -1; /* never match anything */
+ cmp = 0xffffffff; /* never match anything */
vcons_lock(scr);
if (SCREEN_IS_VISIBLE(scr) && SCREEN_CAN_DRAW(scr)) {
@@ -474,11 +474,12 @@ vcons_redraw_screen(struct vcons_screen
} else if (acmp != last_a) {
/*
* different attr, need to
- * flush
+ * flush & restart
*/
vd->erasecols(ri, i, start,
j - start, last_a);
- start = -1;
+ start = j;
+ last_a = acmp;
}
} else {
if (start != -1) {
