spice: add screen mirror

Create a screen mirror, keep there a copy of the most recent update
passed on to spice-server.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/ui/spice-display.h b/ui/spice-display.h
index 3fcb6fec25..dea41c1b71 100644
--- a/ui/spice-display.h
+++ b/ui/spice-display.h
@@ -72,6 +72,7 @@ typedef struct SimpleSpiceUpdate SimpleSpiceUpdate;
 
 struct SimpleSpiceDisplay {
     DisplayState *ds;
+    uint8_t *ds_mirror;
     void *buf;
     int bufsize;
     QXLWorker *worker;