>
> On Tue, 2018-03-13 at 06:21 +0000, Frediano Ziglio wrote:
> > Although not necessary for a single monitor DisplayChannel implementation
> > this make the DiisplayChannels more coherent from the client
> > point of view.
>
> Typo: "DiisplayChannels"
>
> I've tested this, as expected, with the heads attribute of the qxl
> device (in the xml) greater than 1, this causes an immediate round trip
> of monitors_config making the server create a second monitor in the
> guest and subsequently the streaming agent streaming two desktops next
> to each other.
>
> Small improvement, a lot of work left to do. I would add a similar
> description of the current rather lacking state of things to the commit
> message. With that,
>
This patch was not intended to fix this.
Do you have a suggestion for the comment I should add?
> Acked-by: Lukáš Hrázký <lhrazky@xxxxxxxxxx>
>
> > Signed-off-by: Frediano Ziglio <fziglio@xxxxxxxxxx>
> > ---
> > server/stream-channel.c | 33 ++++++++++++++++++++++++++++++---
> > 1 file changed, 30 insertions(+), 3 deletions(-)
> >
> > diff --git a/server/stream-channel.c b/server/stream-channel.c
> > index 3a3b733f..a9882d9c 100644
> > --- a/server/stream-channel.c
> > +++ b/server/stream-channel.c
> > @@ -102,6 +102,7 @@ enum {
> > RED_PIPE_ITEM_TYPE_STREAM_DATA,
> > RED_PIPE_ITEM_TYPE_STREAM_DESTROY,
> > RED_PIPE_ITEM_TYPE_STREAM_ACTIVATE_REPORT,
> > + RED_PIPE_ITEM_TYPE_MONITORS_CONFIG,
> > };
> >
> > typedef struct StreamCreateItem {
> > @@ -204,6 +205,26 @@ fill_base(SpiceMarshaller *m, const StreamChannel
> > *channel)
> > spice_marshall_DisplayBase(m, &base);
> > }
> >
> > +static void
> > +marshall_monitors_config(RedChannelClient *rcc, StreamChannel *channel,
> > SpiceMarshaller *m)
> > +{
> > + struct {
> > + SpiceMsgDisplayMonitorsConfig config;
> > + SpiceHead head;
> > + } msg = {
> > + { 1, 1, },
> > + {
> > + 0, PRIMARY_SURFACE_ID,
> > + channel->width, channel->height,
> > + 0, 0,
> > + 0 // flags
> > + }
> > + };
> > +
> > + red_channel_client_init_send_data(rcc,
> > SPICE_MSG_DISPLAY_MONITORS_CONFIG);
> > + spice_marshall_msg_display_monitors_config(m, &msg.config);
> > +}
> > +
> > static void
> > stream_channel_send_item(RedChannelClient *rcc, RedPipeItem *pipe_item)
> > {
> > @@ -229,6 +250,12 @@ stream_channel_send_item(RedChannelClient *rcc,
> > RedPipeItem *pipe_item)
> > spice_marshall_msg_display_surface_create(m, &surface_create);
> > break;
> > }
> > + case RED_PIPE_ITEM_TYPE_MONITORS_CONFIG:
> > + if (!red_channel_client_test_remote_cap(rcc,
> > SPICE_DISPLAY_CAP_MONITORS_CONFIG)) {
> > + return;
> > + }
> > + marshall_monitors_config(rcc, channel, m);
> > + break;
> > case RED_PIPE_ITEM_TYPE_SURFACE_DESTROY: {
> > red_channel_client_init_send_data(rcc,
> > SPICE_MSG_DISPLAY_SURFACE_DESTROY);
> > SpiceMsgSurfaceDestroy surface_destroy = { PRIMARY_SURFACE_ID };
> > @@ -397,7 +424,6 @@ stream_channel_connect(RedChannel *red_channel,
> > RedClient *red_client, RedStream
> > request_new_stream(channel, start);
> >
> >
> > - // TODO set capabilities like SPICE_DISPLAY_CAP_MONITORS_CONFIG
> > // see guest_set_client_capabilities
> > RedChannelClient *rcc = RED_CHANNEL_CLIENT(client);
> > red_channel_client_push_set_ack(rcc);
> > @@ -415,6 +441,7 @@ stream_channel_connect(RedChannel *red_channel,
> > RedClient *red_client, RedStream
> >
> > // pass proper data
> > red_channel_client_pipe_add_type(rcc,
> > RED_PIPE_ITEM_TYPE_SURFACE_CREATE);
> > + red_channel_client_pipe_add_type(rcc,
> > RED_PIPE_ITEM_TYPE_MONITORS_CONFIG);
> > // surface data
> > red_channel_client_pipe_add_type(rcc,
> > RED_PIPE_ITEM_TYPE_FILL_SURFACE);
> > // TODO monitor configs ??
> > @@ -433,8 +460,7 @@ stream_channel_constructed(GObject *object)
> > client_cbs.connect = stream_channel_connect;
> > red_channel_register_client_cbs(red_channel, &client_cbs, NULL);
> >
> > - // TODO, send monitor to support multiple monitors in the future
> > -// red_channel_set_cap(red_channel, SPICE_DISPLAY_CAP_MONITORS_CONFIG);
> > + red_channel_set_cap(red_channel, SPICE_DISPLAY_CAP_MONITORS_CONFIG);
> > red_channel_set_cap(red_channel, SPICE_DISPLAY_CAP_STREAM_REPORT);
> >
> > reds_register_channel(reds, red_channel);
> > @@ -489,6 +515,7 @@ stream_channel_change_format(StreamChannel *channel,
> > const StreamMsgFormat *fmt)
> > channel->width = fmt->width;
> > channel->height = fmt->height;
> > red_channel_pipes_add_type(red_channel,
> > RED_PIPE_ITEM_TYPE_SURFACE_CREATE);
> > + red_channel_pipes_add_type(red_channel,
> > RED_PIPE_ITEM_TYPE_MONITORS_CONFIG);
> > // TODO monitors config ??
> > red_channel_pipes_add_empty_msg(red_channel,
> > SPICE_MSG_DISPLAY_MARK);
> > }
>
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