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[Qemu-devel] [PATCH]VNC: send NewDesktopSize only when needed
From: |
Eduardo Felipe |
Subject: |
[Qemu-devel] [PATCH]VNC: send NewDesktopSize only when needed |
Date: |
Sun, 10 Dec 2006 23:16:45 +0100 |
Hi,
Patch below makes VNC server send NewDesktopSize message only when necessary.
Without it UltraVNC client goes crazy, as it sends a SetPixelFormat
message each time it receives a resize, which makes qemu VNC server
trigger a new (unnecessary) resize, and so on...
Regards,
Index: vnc.c
===================================================================
RCS file: /sources/qemu/qemu/vnc.c,v
retrieving revision 1.8
diff -u -r1.8 vnc.c
--- vnc.c 24 Aug 2006 20:36:44 -0000 1.8
+++ vnc.c 10 Dec 2006 21:25:11 -0000
@@ -167,6 +167,7 @@
static void vnc_dpy_resize(DisplayState *ds, int w, int h)
{
+ int size_changed;
VncState *vs = ds->opaque;
ds->data = realloc(ds->data, w * h * vs->depth);
@@ -178,10 +179,11 @@
}
ds->depth = vs->depth * 8;
+ size_changed = ds->width != w || ds->height != h;
ds->width = w;
ds->height = h;
ds->linesize = w * vs->depth;
- if (vs->csock != -1 && vs->has_resize) {
+ if (vs->csock != -1 && vs->has_resize && size_changed) {
vnc_write_u8(vs, 0); /* msg id */
vnc_write_u8(vs, 0);
vnc_write_u16(vs, 1); /* number of rects */
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