diff options
Diffstat (limited to 'include/wlr')
| -rw-r--r-- | include/wlr/types/wlr_presentation_time.h | 29 |
1 files changed, 23 insertions, 6 deletions
diff --git a/include/wlr/types/wlr_presentation_time.h b/include/wlr/types/wlr_presentation_time.h index bf1d3ac2..f25bd1a1 100644 --- a/include/wlr/types/wlr_presentation_time.h +++ b/include/wlr/types/wlr_presentation_time.h @@ -28,17 +28,19 @@ struct wlr_presentation { }; struct wlr_presentation_feedback { - struct wl_resource *resource; struct wlr_presentation *presentation; - struct wlr_surface *surface; + struct wlr_surface *surface; // NULL if the surface has been destroyed struct wl_list link; // wlr_presentation::feedbacks + struct wl_list resources; // wl_resource_get_link + // The surface contents were committed. bool committed; // The surface contents were sampled by the compositor and are to be // presented on the next flip. Can become true only after committed becomes // true. bool sampled; + bool presented; struct wl_listener surface_commit; struct wl_listener surface_destroy; @@ -58,10 +60,25 @@ struct wlr_backend; struct wlr_presentation *wlr_presentation_create(struct wl_display *display, struct wlr_backend *backend); void wlr_presentation_destroy(struct wlr_presentation *presentation); -void wlr_presentation_send_surface_presented( - struct wlr_presentation *presentation, struct wlr_surface *surface, - struct wlr_presentation_event *event); -void wlr_presentation_surface_sampled( +/** + * Mark the current surface's buffer as sampled. + * + * The compositor must call this function when it uses the surface's current + * contents (e.g. when rendering the surface's current texture, when + * referencing its current buffer, or when directly scanning out its current + * buffer). A wlr_presentation_feedback is returned. The compositor should call + * wlr_presentation_feedback_send_presented if this content has been displayed, + * then wlr_presentation_feedback_destroy. + * + * NULL is returned if the client hasn't requested presentation feedback for + * this surface. + */ +struct wlr_presentation_feedback *wlr_presentation_surface_sampled( struct wlr_presentation *presentation, struct wlr_surface *surface); +void wlr_presentation_feedback_send_presented( + struct wlr_presentation_feedback *feedback, + struct wlr_presentation_event *event); +void wlr_presentation_feedback_destroy( + struct wlr_presentation_feedback *feedback); #endif |