On Fri, 2017-08-25 at 10:54 +0100, Frediano Ziglio wrote:
> QXL device requires a QXL interface which imply all set
> of requirements like memory sharing.
> Currently RedCursorChannel uses QXL to release resources
> allocated from such devices.
> However this is quite a limitation as potentially we
> can implement cursors in a virtual device or in a different
> one.
> This for instance is the case of streaming device.
>
> Signed-off-by: Frediano Ziglio <fziglio@xxxxxxxxxx>
> ---
> server/cursor-channel.c | 8 +++++---
> server/cursor-channel.h | 4 ++--
> server/red-worker.c | 2 +-
> 3 files changed, 8 insertions(+), 6 deletions(-)
>
> diff --git a/server/cursor-channel.c b/server/cursor-channel.c
> index 63d6886d..18071ec7 100644
> --- a/server/cursor-channel.c
> +++ b/server/cursor-channel.c
> @@ -94,7 +94,9 @@ static void cursor_item_unref(CursorItem *item)
> return;
>
> cursor_cmd = item->red_cursor;
> - red_qxl_release_resource(item->qxl, cursor_cmd-
> >release_info_ext);
> + if (item->qxl) {
> + red_qxl_release_resource(item->qxl, cursor_cmd-
> >release_info_ext);
> + }
> red_put_cursor_cmd(cursor_cmd);
> free(cursor_cmd);
>
> @@ -289,7 +291,7 @@ static void
> cursor_channel_send_item(RedChannelClient *rcc, RedPipeItem *pipe_it
> red_channel_client_begin_send_message(rcc);
> }
>
> -CursorChannel* cursor_channel_new(RedsState *server, QXLInstance
> *qxl,
> +CursorChannel* cursor_channel_new(RedsState *server, QXLInstance
> *qxl, uint32_t id,
> const SpiceCoreInterfaceInternal
> *core)
> {
> spice_debug("create cursor channel");
> @@ -297,7 +299,7 @@ CursorChannel* cursor_channel_new(RedsState
> *server, QXLInstance *qxl,
> "spice-server", server,
> "core-interface", core,
> "channel-type", SPICE_CHANNEL_CURSOR,
> - "id", qxl->id,
> + "id", qxl ? qxl->id : id,
I don't like this part. If qxl->id and id are different, I would expect
that the passed-in argument 'id' would take precedence. If you're going
to add an ID argument to the function I think it should simply use the
value of that argument for the ID of the channel.
> "migration-flags", 0,
> "qxl", qxl,
> "handle-acks", TRUE,
> diff --git a/server/cursor-channel.h b/server/cursor-channel.h
> index 9f3ef52e..c173e2ca 100644
> --- a/server/cursor-channel.h
> +++ b/server/cursor-channel.h
> @@ -56,8 +56,8 @@ GType cursor_channel_get_type(void) G_GNUC_CONST;
> * provided as helper functions and should only be called from the
> * CursorChannel thread.
> */
> -CursorChannel* cursor_channel_new (RedsState *server,
> QXLInstance *qxl,
> - const
> SpiceCoreInterfaceInternal *core);
> +CursorChannel* cursor_channel_new(RedsState *server, QXLInstance
> *qxl, uint32_t id,
> + const SpiceCoreInterfaceInternal
> *core);
>
> /**
> * Cause the channel to disconnect all clients
> diff --git a/server/red-worker.c b/server/red-worker.c
> index 03a409cd..c3db477f 100644
> --- a/server/red-worker.c
> +++ b/server/red-worker.c
> @@ -1342,7 +1342,7 @@ RedWorker* red_worker_new(QXLInstance *qxl,
>
> worker->event_timeout = INF_EVENT_WAIT;
>
> - worker->cursor_channel = cursor_channel_new(reds, qxl,
> + worker->cursor_channel = cursor_channel_new(reds, qxl, qxl->id,
> &worker->core);
> channel = RED_CHANNEL(worker->cursor_channel);
> red_channel_init_stat_node(channel, &worker->stat,
> "cursor_channel");
Reviewed-by: Jonathon Jongsma <jjongsma@xxxxxxxxxx>
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