diff options
Diffstat (limited to 'include/backend/drm/drm.h')
| -rw-r--r-- | include/backend/drm/drm.h | 26 |
1 files changed, 18 insertions, 8 deletions
diff --git a/include/backend/drm/drm.h b/include/backend/drm/drm.h index c7dd70f8..b121b3bc 100644 --- a/include/backend/drm/drm.h +++ b/include/backend/drm/drm.h @@ -129,6 +129,22 @@ struct wlr_drm_connector_state { struct wlr_drm_fb *primary_fb; }; +/** + * Per-page-flip tracking struct. + * + * We've asked for a state change in the kernel, and yet to receive a + * notification for its completion. Currently, the kernel only has a queue + * length of 1, and no way to modify your submissions after they're sent. + * + * However, we might have multiple in-flight page-flip events, for instance + * when performing a non-blocking commit followed by a blocking commit. In + * that case, conn will be set to NULL on the non-blocking commit to indicate + * that it's been superseded. + */ +struct wlr_drm_page_flip { + struct wlr_drm_connector *conn; +}; + struct wlr_drm_connector { struct wlr_output output; // only valid if status != DISCONNECTED @@ -153,14 +169,8 @@ struct wlr_drm_connector { struct wl_list link; // wlr_drm_backend.connectors - /* CRTC ID if a page-flip is pending, zero otherwise. - * - * We've asked for a state change in the kernel, and yet to receive a - * notification for its completion. Currently, the kernel only has a - * queue length of 1, and no way to modify your submissions after - * they're sent. - */ - uint32_t pending_page_flip_crtc; + // Last committed page-flip + struct wlr_drm_page_flip *pending_page_flip; }; struct wlr_drm_backend *get_drm_backend_from_backend( |