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ui/vnc: optimize full scanline updates 

in case we send and update for a complete scanline increment
the y offset to avoid running to find_next_bit for that lines
twice.

Signed-off-by: Peter Lieven <pl@kamp.de>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Peter Lieven 2015-02-02 16:25:34 +01:00 committed by Gerd Hoffmann
parent f7801c5ce4
commit 0e7d6f6083
1 changed files with 6 additions and 0 deletions
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6
ui/vnc.c
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@ -1111,6 +1111,12 @@ static int vnc_update_client(VncState *vs, int has_dirty, bool sync)
n += vnc_job_add_rect(job, x * VNC_DIRTY_PIXELS_PER_BIT, y, n += vnc_job_add_rect(job, x * VNC_DIRTY_PIXELS_PER_BIT, y,
(x2 - x) * VNC_DIRTY_PIXELS_PER_BIT, h); (x2 - x) * VNC_DIRTY_PIXELS_PER_BIT, h);
} }
if (!x && x2 == width / VNC_DIRTY_PIXELS_PER_BIT) {
y += h;
if (y == height) {
break;
}
}
} }
vnc_job_push(job); vnc_job_push(job);