weston: migrate RDP to head-based output API

Migrate the RDP frontend to use the new head-based output configuration
API: listen for heads_changed, and process all heads.

v7:
- remove unnecessary 'goto out' in load_rdp_backend()

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
Reviewed-by: Ian Ray <ian.ray@ge.com>
Acked-by: Daniel Stone <daniels@collabora.com>
Acked-by: Derek Foreman <derekf@osg.samsung.com>

diff --git a/compositor/main.c b/compositor/main.c
index 2f0437b..3885ff6 100644 (file)
--- a/compositor/main.c
+++ b/compositor/main.c
@@ -1393,10 +1393,9 @@ load_headless_backend(struct weston_compositor *c,
        return 0;
 }
 
-static void
-rdp_backend_output_configure(struct wl_listener *listener, void *data)
+static int
+rdp_backend_output_configure(struct weston_output *output)
 {
-       struct weston_output *output = data;
        struct wet_compositor *compositor = to_wet_compositor(output->compositor);
        struct wet_output_config *parsed_options = compositor->parsed_options;
        const struct weston_rdp_output_api *api = weston_rdp_output_get_api(output->compositor);
@@ -1407,7 +1406,7 @@ rdp_backend_output_configure(struct wl_listener *listener, void *data)
 
        if (!api) {
                weston_log("Cannot use weston_rdp_output_api.\n");
-               return;
+               return -1;
        }
 
        if (parsed_options->width)
@@ -1422,10 +1421,10 @@ rdp_backend_output_configure(struct wl_listener *listener, void *data)
        if (api->output_set_size(output, width, height) < 0) {
                weston_log("Cannot configure output \"%s\" using weston_rdp_output_api.\n",
                           output->name);
-               return;
+               return -1;
        }
 
-       weston_output_enable(output);
+       return 0;
 }
 
 static void
@@ -1470,15 +1469,11 @@ load_rdp_backend(struct weston_compositor *c,
 
        parse_options(rdp_options, ARRAY_LENGTH(rdp_options), argc, argv);
 
+       wet_set_simple_head_configurator(c, rdp_backend_output_configure);
+
        ret = weston_compositor_load_backend(c, WESTON_BACKEND_RDP,
                                             &config.base);
 
-       if (ret < 0)
-               goto out;
-
-       wet_set_pending_output_handler(c, rdp_backend_output_configure);
-
-out:
        free(config.bind_address);
        free(config.rdp_key);
        free(config.server_cert);