Author: dumbbell
Date: Thu Aug 21 14:12:11 2014
New Revision: 270272
URL: http://svnweb.freebsd.org/changeset/base/270272
Log:
vt(4): If the cursor is globally disabled, don't mark its position as dirty
This avoids unnecessary redraw. In particular, during boot, where the
cursor is disabled and its fake position is [0;0], this triggered a
refresh of the whole screen each time vt_flush() is called.
MFC after: 1 week
Modified:
head/sys/dev/vt/vt_core.c
Modified: head/sys/dev/vt/vt_core.c
==============================================================================
--- head/sys/dev/vt/vt_core.c Thu Aug 21 13:28:48 2014 (r270271)
+++ head/sys/dev/vt/vt_core.c Thu Aug 21 14:12:11 2014 (r270272)
@@ -833,7 +833,8 @@ vt_flush(struct vt_device *vd)
return;
#ifndef SC_NO_CUTPASTE
- if ((vw->vw_flags & VWF_MOUSE_HIDE) == 0) {
+ if ((vd->vd_flags & VDF_MOUSECURSOR) && /* Mouse support enabled. */
+ !(vw->vw_flags & VWF_MOUSE_HIDE)) { /* Cursor displayed. */
/* Mark last mouse position as dirty to erase. */
vtbuf_mouse_cursor_position(&vw->vw_buf, vd->vd_mdirtyx,
vd->vd_mdirtyy);
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