backend/drm: implement get_drm_fd
@@ -77,11 +77,22 @@ static clockid_t backend_get_presentation_clock(struct wlr_backend *backend) {
return drm->clock;
}
+static int backend_get_drm_fd(struct wlr_backend *backend) {
+ struct wlr_drm_backend *drm = get_drm_backend_from_backend(backend);
+
+ if (drm->parent) {
+ return drm->parent->fd;
+ } else {
+ return drm->fd;
+ }
+}
+
static struct wlr_backend_impl backend_impl = {
.start = backend_start,
.destroy = backend_destroy,
.get_renderer = backend_get_renderer,
.get_presentation_clock = backend_get_presentation_clock,
+ .get_drm_fd = backend_get_drm_fd,
};
bool wlr_backend_is_drm(struct wlr_backend *b) {
