diff options
Diffstat (limited to 'backend/drm/backend.c')
| -rw-r--r-- | backend/drm/backend.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/backend/drm/backend.c b/backend/drm/backend.c index f202d4d6..48e207c8 100644 --- a/backend/drm/backend.c +++ b/backend/drm/backend.c @@ -37,6 +37,29 @@ static struct wlr_backend_impl backend_impl = { .destroy = wlr_drm_backend_destroy }; +static void device_paused(struct wl_listener *listener, void *data) { + struct wlr_backend_state *backend = wl_container_of(listener, backend, device_paused); + + // TODO: Actually pause the renderer or something. + // We currently just expect it to fail its next pageflip. + + (void)backend; +} + +static void device_resumed(struct wl_listener *listener, void *data) { + struct wlr_backend_state *drm = wl_container_of(listener, drm, device_paused); + int *new_fd = data; + + close(drm->fd); + drm->fd = *new_fd; + drm->renderer.fd = *new_fd; + + for (size_t i = 0; i < drm->outputs->length; ++i) { + struct wlr_output_state *output = drm->outputs->items[i]; + wlr_drm_output_draw_blank(output); + } +} + struct wlr_backend *wlr_drm_backend_create(struct wl_display *display, struct wlr_session *session) { struct wlr_backend_state *state = calloc(1, sizeof(struct wlr_backend_state)); @@ -79,6 +102,15 @@ struct wlr_backend *wlr_drm_backend_create(struct wl_display *display, goto error_fd; } + wl_list_init(&state->device_paused.link); + wl_list_init(&state->device_paused.link); + + state->device_paused.notify = device_paused; + state->device_resumed.notify = device_resumed; + + wl_signal_add(&session->device_paused, &state->device_paused); + wl_signal_add(&session->device_resumed, &state->device_resumed); + // TODO: what is the difference between the per-output renderer and this // one? if (!wlr_drm_renderer_init(&state->renderer, state->fd)) { |