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Diffstat (limited to 'backend')
-rw-r--r--backend/wayland/backend.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/backend/wayland/backend.c b/backend/wayland/backend.c
index ea216511..3d962d4f 100644
--- a/backend/wayland/backend.c
+++ b/backend/wayland/backend.c
@@ -75,6 +75,16 @@ static const struct xdg_wm_base_listener xdg_wm_base_listener = {
xdg_wm_base_handle_ping,
};
+static void presentation_handle_clock_id(void *data,
+ struct wp_presentation *presentation, uint32_t clock) {
+ struct wlr_wl_backend *wl = data;
+ wl->presentation_clock = clock;
+}
+
+static const struct wp_presentation_listener presentation_listener = {
+ .clock_id = presentation_handle_clock_id,
+};
+
static void linux_dmabuf_v1_handle_format(void *data,
struct zwp_linux_dmabuf_v1 *linux_dmabuf_v1, uint32_t format) {
// Note, this event is deprecated
@@ -227,6 +237,8 @@ static void registry_global(void *data, struct wl_registry *registry,
} else if (strcmp(iface, wp_presentation_interface.name) == 0) {
wl->presentation = wl_registry_bind(registry, name,
&wp_presentation_interface, 1);
+ wp_presentation_add_listener(wl->presentation,
+ &presentation_listener, wl);
} else if (strcmp(iface, zwp_tablet_manager_v2_interface.name) == 0) {
wl->tablet_manager = wl_registry_bind(registry, name,
&zwp_tablet_manager_v2_interface, 1);
@@ -352,6 +364,11 @@ static void backend_destroy(struct wlr_backend *backend) {
free(wl);
}
+static clockid_t backend_get_presentation_clock(struct wlr_backend *backend) {
+ struct wlr_wl_backend *wl = get_wl_backend_from_backend(backend);
+ return wl->presentation_clock;
+}
+
static int backend_get_drm_fd(struct wlr_backend *backend) {
struct wlr_wl_backend *wl = get_wl_backend_from_backend(backend);
return wl->drm_fd;
@@ -366,6 +383,7 @@ static uint32_t get_buffer_caps(struct wlr_backend *backend) {
static const struct wlr_backend_impl backend_impl = {
.start = backend_start,
.destroy = backend_destroy,
+ .get_presentation_clock = backend_get_presentation_clock,
.get_drm_fd = backend_get_drm_fd,
.get_buffer_caps = get_buffer_caps,
};
@@ -397,6 +415,7 @@ struct wlr_backend *wlr_wl_backend_create(struct wl_display *display,
wl_list_init(&wl->outputs);
wl_list_init(&wl->seats);
wl_list_init(&wl->buffers);
+ wl->presentation_clock = CLOCK_MONOTONIC;
wl->remote_display = wl_display_connect(remote);
if (!wl->remote_display) {