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subcompositor: document subsurface_from_resource

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Simon Ser 2022-01-20 09:55:21 +01:00 committed by Kirill Primak
parent cfba4c6344
commit 7ce966a5d4
1 changed files with 6 additions and 0 deletions
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6
types/wlr_subcompositor.c
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@ -61,6 +61,12 @@ static void subsurface_destroy(struct wlr_subsurface *subsurface) {
static const struct wl_subsurface_interface subsurface_implementation; static const struct wl_subsurface_interface subsurface_implementation;
/**
* Get a wlr_subsurface from a wl_subsurface resource.
*
* Returns NULL if the subsurface is inert (e.g. the wl_surface object got
* destroyed).
*/
static struct wlr_subsurface *subsurface_from_resource( static struct wlr_subsurface *subsurface_from_resource(
struct wl_resource *resource) { struct wl_resource *resource) {
assert(wl_resource_instance_of(resource, &wl_subsurface_interface, assert(wl_resource_instance_of(resource, &wl_subsurface_interface,