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server: add wl_global_get_version

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Add a helper to check the advertised version of a global. This can
be handy when checking whether a compositor feature is supported,
instead of having to store the version passed to wl_global_create
separately.

Signed-off-by: Simon Ser <contact@emersion.fr>
This commit is contained in:
Simon Ser 2022-05-12 19:01:26 +02:00
parent b19488c715
commit d01868413f
2 changed files with 17 additions and 0 deletions
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3
src/wayland-server-core.h
View file

@ -279,6 +279,9 @@ wl_display_set_global_filter(struct wl_display *display,
const struct wl_interface *
wl_global_get_interface(const struct wl_global *global);
uint32_t
wl_global_get_version(const struct wl_global *global);
struct wl_display *
wl_global_get_display(const struct wl_global *global);

14
src/wayland-server.c
View file

@ -1315,6 +1315,20 @@ wl_global_get_interface(const struct wl_global *global)
return global->interface;
}
/** Get the version of the given global.
*
* \param global The global object.
* \return The version advertised by the global.
*
* \memberof wl_global
* \since 1.21
*/
WL_EXPORT uint32_t
wl_global_get_version(const struct wl_global *global)
{
return global->version;
}
/** Get the display object for the given global
*
* \param global The global object