qemu/0303-ui-vnc-Only-report-use-TIGHT_PNG-encoding-if-enabled.patch

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From c441420055790934d7f344800a46c7ae644002a4 Mon Sep 17 00:00:00 2001
From: Joel Martin <github@martintribe.org>
Date: Wed, 16 May 2012 12:54:25 +0000
Subject: [PATCH] ui/vnc: Only report/use TIGHT_PNG encoding if enabled.
If TIGHT_PNG is not enabled by the --enable-vnc-png configure flag
then do not report to the client that it is supported.
Also, since TIGHT_PNG is the same as the TIGHT encoding but with the
filter/copy replaced with PNG data, adding it to the supported
encodings list when it is disabled will cause the TIGHT encoding to be
used even though the client requested TIGHT_PNG.
Signed-off-by: Joel Martin <github@martintribe.org>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
(cherry picked from commit fe3e7f2dc05225cdd2ba40defcd4e2581bebc5e0)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
---
ui/vnc.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/ui/vnc.c b/ui/vnc.c
index 01b2daf..18ec101 100644
--- a/ui/vnc.c
+++ b/ui/vnc.c
@@ -1802,10 +1802,12 @@ static void set_encodings(VncState *vs, int32_t *encodings, size_t n_encodings)
vs->features |= VNC_FEATURE_TIGHT_MASK;
vs->vnc_encoding = enc;
break;
+#ifdef CONFIG_VNC_PNG
case VNC_ENCODING_TIGHT_PNG:
vs->features |= VNC_FEATURE_TIGHT_PNG_MASK;
vs->vnc_encoding = enc;
break;
+#endif
case VNC_ENCODING_ZLIB:
vs->features |= VNC_FEATURE_ZLIB_MASK;
vs->vnc_encoding = enc;
--
1.8.0.2