The distinction is between multi-hat where a single instance of the graphics driver handles multiple monitors and, say, the windows driver where there is a separate driver instance for each monitor. ----- Original Message ----- > From: "Marc-André Lureau" <mlureau@xxxxxxxxxx> > To: "Sandy Stutsman" <sstutsma@xxxxxxxxxx> > Cc: spice-devel@xxxxxxxxxxxxxxxxxxxxx > Sent: Tuesday, September 15, 2015 6:21:14 PM > Subject: Re: [spice-gtk]Add "monitors config position" capability. > > Hi > > ----- Original Message ----- > > This will allow Windows guests to determine if the client supports a > > monitors_config message from a multi-monitor guest that is not > > multi-hat. > > > > multi-hat? > > > It keeps commit:8b0cd321d5a4d08ccba5845c5f2206e6f8032c1d > > from breaking if an updated win-qxl driver is paired with an older client. > > > > This resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1248189 > > --- > > Changed from v1: Removed a local commit that preceded this one. > > --- > > Changed from v2: Changed name to "monitors config position" > > --- > > src/channel-main.c | 2 ++ > > 1 file changed, 2 insertions(+) > > > > diff --git a/src/channel-main.c b/src/channel-main.c > > index 03e407e..2ec6457 100644 > > --- a/src/channel-main.c > > +++ b/src/channel-main.c > > @@ -215,6 +215,7 @@ static const char *agent_caps[] = { > > [ VD_AGENT_CAP_GUEST_LINEEND_CRLF ] = "line-end crlf", > > [ VD_AGENT_CAP_MAX_CLIPBOARD ] = "max-clipboard", > > [ VD_AGENT_CAP_AUDIO_VOLUME_SYNC ] = "volume-sync", > > + [ VD_AGENT_CAP_MONITORS_CONFIG_POSITION ] = "monitors config > > position", > > }; > > #define NAME(_a, _i) ((_i) < SPICE_N_ELEMENTS(_a) ? (_a[(_i)] ?: "?") : > > "?") > > > > @@ -1279,6 +1280,7 @@ static void agent_announce_caps(SpiceMainChannel > > *channel) > > VD_AGENT_SET_CAPABILITY(caps->caps, VD_AGENT_CAP_DISPLAY_CONFIG); > > VD_AGENT_SET_CAPABILITY(caps->caps, VD_AGENT_CAP_CLIPBOARD_BY_DEMAND); > > VD_AGENT_SET_CAPABILITY(caps->caps, VD_AGENT_CAP_CLIPBOARD_SELECTION); > > + VD_AGENT_SET_CAPABILITY(caps->caps, > > VD_AGENT_CAP_MONITORS_CONFIG_POSITION); > > > > agent_msg_queue(channel, VD_AGENT_ANNOUNCE_CAPABILITIES, size, caps); > > g_free(caps); > > -- > > 1.9.5.msysgit.0 > > > > _______________________________________________ > > Spice-devel mailing list > > Spice-devel@xxxxxxxxxxxxxxxxxxxxx > > http://lists.freedesktop.org/mailman/listinfo/spice-devel > > > _______________________________________________ Spice-devel mailing list Spice-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/spice-devel