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History log of /src/sys/dev/wscons/wsdisplay_vcons_util.c
RevisionDateAuthorComments
 1.4  17-Jan-2021  jmcneill trailing whitespace
 1.3  30-Jan-2019  jmcneill branches: 1.3.12;
Suspend multicons output to the old console device while replaying
the vcons msgbuf.
 1.2  25-May-2011  macallan branches: 1.2.56;
add a cache so when we update the screen we only redraw the character cells
that actually changed since last time. This gives a noticeable speedup on
slower hardware with dumb framebuffers.
For now this works with VCONS_DRAW_INTR and VCONS_DONT_READ only.
 1.1  20-Aug-2009  macallan branches: 1.1.2; 1.1.6; 1.1.8;
add vcons_replay_msgbuf() for use by wsdisplay drivers to replay the message
buffer when attaching so older log messages will show up in the scrollback
buffer
Idea from gimpy
 1.1.8.1  06-Jun-2011  jruoho Sync with HEAD.
 1.1.6.1  31-May-2011  rmind sync with head
 1.1.2.2  16-Sep-2009  yamt sync with head
 1.1.2.1  20-Aug-2009  yamt file wsdisplay_vcons_util.c was added on branch yamt-nfs-mp on 2009-09-16 13:37:59 +0000
 1.2.56.1  10-Jun-2019  christos Sync with HEAD
 1.3.12.1  03-Apr-2021  thorpej Sync with HEAD.

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