From 34d5af41727c1879188caf3a00fc1db9f480b1fd Mon Sep 17 00:00:00 2001 From: Simon Ser Date: Tue, 12 Dec 2023 11:36:11 +0100 Subject: compositor: add wlr_surface_state_has_buffer() --- include/wlr/types/wlr_compositor.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'include') diff --git a/include/wlr/types/wlr_compositor.h b/include/wlr/types/wlr_compositor.h index 95128ea7..eb870b7b 100644 --- a/include/wlr/types/wlr_compositor.h +++ b/include/wlr/types/wlr_compositor.h @@ -283,6 +283,19 @@ void wlr_surface_unmap(struct wlr_surface *surface); */ bool wlr_surface_has_buffer(struct wlr_surface *surface); +/** + * Check whether this surface state has an attached buffer. + * + * A surface has an attached buffer when the client commits with a non-null + * buffer. A surface will not have a buffer if the client never committed one, + * or committed a null buffer. + * + * Note that wlr_surface_state.buffer may be NULL even if this function returns + * true: the buffer field is reset after commit, to allow the buffer to be + * released to the client. Additionally, the buffer import or upload may fail. + */ +bool wlr_surface_state_has_buffer(const struct wlr_surface_state *state); + /** * Get the texture of the buffer currently attached to this surface. Returns * NULL if no buffer is currently attached or if something went wrong with -- cgit v1.2.3