* [Qemu-devel] [PATCH] ui/vnc: optimize full scanline updates
@ 2015-02-02 15:25 Peter Lieven
2015-02-10 10:20 ` Gerd Hoffmann
0 siblings, 1 reply; 2+ messages in thread
From: Peter Lieven @ 2015-02-02 15:25 UTC (permalink / raw)
To: qemu-devel; +Cc: Peter Lieven, kraxel
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>
---
ui/vnc.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/ui/vnc.c b/ui/vnc.c
index a742c90..6fa2ee7 100644
--- a/ui/vnc.c
+++ b/ui/vnc.c
@@ -1115,6 +1115,12 @@ 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,
(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);
--
1.9.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [Qemu-devel] [PATCH] ui/vnc: optimize full scanline updates
2015-02-02 15:25 [Qemu-devel] [PATCH] ui/vnc: optimize full scanline updates Peter Lieven
@ 2015-02-10 10:20 ` Gerd Hoffmann
0 siblings, 0 replies; 2+ messages in thread
From: Gerd Hoffmann @ 2015-02-10 10:20 UTC (permalink / raw)
To: Peter Lieven; +Cc: qemu-devel
On Mo, 2015-02-02 at 16:25 +0100, Peter Lieven wrote:
> 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.
Added to vnc patch queue.
thanks,
Gerd
^ permalink raw reply [flat|nested] 2+ messages in thread
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2015-02-10 10:20 ` Gerd Hoffmann
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