Add an id field to outputs
All outputs now have a unique integer ID, allocated from a bitfield pool in the
compositor.
Signed-off-by: Casey Dahlin <cdahlin@redhat.com>
diff --git a/src/compositor.c b/src/compositor.c
index 3354d21..17a0cc6 100644
--- a/src/compositor.c
+++ b/src/compositor.c
@@ -2365,6 +2365,9 @@
wl_list_init(&output->frame_callback_list);
+ output->id = ffs(~output->compositor->output_id_pool) - 1;
+ output->compositor->output_id_pool |= 1 << output->id;
+
output->global =
wl_display_add_global(c->wl_display, &wl_output_interface,
output, bind_output);
@@ -2393,6 +2396,8 @@
wl_signal_init(&ec->unlock_signal);
ec->launcher_sock = weston_environment_get_fd("WESTON_LAUNCHER_SOCK");
+ ec->output_id_pool = 0;
+
if (!wl_display_add_global(display, &wl_compositor_interface,
ec, compositor_bind))
return -1;