diff options
| -rw-r--r-- | include/wlr/types/wlr_buffer.h | 14 | ||||
| -rw-r--r-- | types/wlr_buffer.c | 22 |
2 files changed, 36 insertions, 0 deletions
diff --git a/include/wlr/types/wlr_buffer.h b/include/wlr/types/wlr_buffer.h index edf53144..5dc8271d 100644 --- a/include/wlr/types/wlr_buffer.h +++ b/include/wlr/types/wlr_buffer.h @@ -69,6 +69,12 @@ struct wlr_buffer { } events; }; +struct wlr_buffer_resource_interface { + const char *name; + bool (*is_instance)(struct wl_resource *resource); + struct wlr_buffer *(*from_resource)(struct wl_resource *resource); +}; + /** * Initialize a buffer. This function should be called by producers. The * initialized buffer is referenced: once the producer is done with the buffer @@ -113,6 +119,14 @@ bool wlr_buffer_get_dmabuf(struct wlr_buffer *buffer, bool wlr_buffer_get_shm(struct wlr_buffer *buffer, struct wlr_shm_attributes *attribs); /** + * Allows the registration of a wl_resource implementation. + * + * The matching function will be called for the wl_resource when creating a + * wlr_buffer from a wl_resource. + */ +void wlr_buffer_register_resource_interface( + const struct wlr_buffer_resource_interface *iface); +/** * Transforms a wl_resource into a wlr_buffer and locks it. Once the caller is * done with the buffer, they must call wlr_buffer_unlock. * diff --git a/types/wlr_buffer.c b/types/wlr_buffer.c index c7f78fd7..dca4c81a 100644 --- a/types/wlr_buffer.c +++ b/types/wlr_buffer.c @@ -159,6 +159,28 @@ static bool buffer_is_shm_client_buffer(struct wlr_buffer *buffer); static struct wlr_shm_client_buffer *shm_client_buffer_from_buffer( struct wlr_buffer *buffer); +/* struct wlr_buffer_resource_interface */ +static struct wl_array buffer_resource_interfaces = {0}; + +void wlr_buffer_register_resource_interface( + const struct wlr_buffer_resource_interface *iface) { + assert(iface); + assert(iface->is_instance); + assert(iface->from_resource); + + const struct wlr_buffer_resource_interface **iface_ptr; + wl_array_for_each(iface_ptr, &buffer_resource_interfaces) { + if (*iface_ptr == iface) { + wlr_log(WLR_DEBUG, "wlr_resource_buffer_interface %s has already" + "been registered", iface->name); + return; + } + } + + iface_ptr = wl_array_add(&buffer_resource_interfaces, sizeof(iface)); + *iface_ptr = iface; +} + struct wlr_buffer *wlr_buffer_from_resource(struct wl_resource *resource) { assert(resource && wlr_resource_is_buffer(resource)); |