diff options
| author | Simon Ser <contact@emersion.fr> | 2023-12-11 17:47:19 +0100 |
|---|---|---|
| committer | Simon Zeni <simon@bl4ckb0ne.ca> | 2023-12-12 14:42:52 +0000 |
| commit | fc7a0b93dd49cb8e585ea23b8eb3eda892536abb (patch) | |
| tree | 8aac5825cb5656b3504fd3cac1db277b529022cc /backend/drm/backend.c | |
| parent | 3531007b75a173ab0bd8152efb0a982f72140acb (diff) | |
backend/drm: add wlr_drm_backend_get_parent()
Allows compositors to figure out whether a DRM backend is
secondary on a multi-GPU setup.
Diffstat (limited to 'backend/drm/backend.c')
| -rw-r--r-- | backend/drm/backend.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/backend/drm/backend.c b/backend/drm/backend.c index 4697234d..c50e278b 100644 --- a/backend/drm/backend.c +++ b/backend/drm/backend.c @@ -96,6 +96,11 @@ bool wlr_backend_is_drm(struct wlr_backend *b) { return b->impl == &backend_impl; } +struct wlr_backend *wlr_drm_backend_get_parent(struct wlr_backend *backend) { + struct wlr_drm_backend *drm = get_drm_backend_from_backend(backend); + return drm->parent ? &drm->parent->backend : NULL; +} + static void handle_session_active(struct wl_listener *listener, void *data) { struct wlr_drm_backend *drm = wl_container_of(listener, drm, session_active); |