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backend: add get_present_clock

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This commit is contained in:
emersion 2018-10-01 22:44:33 +02:00
parent 9203bfdd4f
commit 54e1287f30
7 changed files with 33 additions and 6 deletions
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6
types/wlr_output.c
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@ -18,8 +18,6 @@
#define OUTPUT_VERSION 3
#define DEFAULT_PRESENT_CLOCK CLOCK_MONOTONIC
static void output_send_to_resource(struct wl_resource *resource) {
struct wlr_output *output = wlr_output_from_resource(resource);
const uint32_t version = wl_resource_get_version(resource);
@ -268,6 +266,7 @@ void wlr_output_init(struct wlr_output *output, struct wlr_backend *backend,
wl_signal_init(&output->events.frame);
wl_signal_init(&output->events.needs_swap);
wl_signal_init(&output->events.swap_buffers);
wl_signal_init(&output->events.present);
wl_signal_init(&output->events.enable);
wl_signal_init(&output->events.mode);
wl_signal_init(&output->events.scale);
@ -566,7 +565,8 @@ void wlr_output_send_present(struct wlr_output *output, struct timespec *when,
unsigned seq, uint32_t flags) {
struct timespec now;
if (when == NULL) {
if (!clock_gettime(DEFAULT_PRESENT_CLOCK, &now)) {
clockid_t clock = wlr_backend_get_present_clock(output->backend);
if (!clock_gettime(clock, &now)) {
wlr_log_errno(WLR_ERROR, "failed to send output present event: "
"failed to read clock");
return;