diff options
Diffstat (limited to 'include/wlr')
| -rw-r--r-- | include/wlr/types/wlr_output.h | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/include/wlr/types/wlr_output.h b/include/wlr/types/wlr_output.h index 5ed29208..ad034982 100644 --- a/include/wlr/types/wlr_output.h +++ b/include/wlr/types/wlr_output.h @@ -690,12 +690,24 @@ void wlr_output_state_set_damage(struct wlr_output_state *state, * advantage of backend features that may reduce the amount of things that * need to be composited. * - * The array must be kept valid by the caller until wlr_output_state_finish(). + * The array must be kept valid by the caller until wlr_output_state_finish() + * and all copies of the state have been finished as well. * This state will be applied once wlr_output_commit_state() is called. */ void wlr_output_state_set_layers(struct wlr_output_state *state, struct wlr_output_layer_state *layers, size_t layers_len); +/** + * Copies the output state from src to dst. It is safe to then + * wlr_output_state_finish() src and have dst still be valid. + * + * Note: The lifetime of the output layers inside the state are not managed. It + * is the responsibility of the constructor of the output layers to make sure + * they remain valid for the output state and all copies made. + */ +bool wlr_output_state_copy(struct wlr_output_state *dst, + const struct wlr_output_state *src); + /** * Re-configure the swapchain as required for the output's primary buffer. |