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output: add presentation refresh prediction

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This commit is contained in:
emersion 2018-10-02 12:11:09 +02:00
parent abd3e995ab
commit eac7c2ad2f
9 changed files with 47 additions and 23 deletions
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23
types/wlr_output.c
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@ -561,10 +561,17 @@ void wlr_output_schedule_frame(struct wlr_output *output) {
wl_event_loop_add_idle(ev, schedule_frame_handle_idle_timer, output);
}
void wlr_output_send_present(struct wlr_output *output, struct timespec *when,
unsigned seq, uint32_t flags) {
void wlr_output_send_present(struct wlr_output *output,
struct wlr_output_event_present *event) {
struct wlr_output_event_present _event = {0};
if (event == NULL) {
event = &_event;
}
event->output = output;
struct timespec now;
if (when == NULL) {
if (event->when == NULL) {
clockid_t clock = wlr_backend_get_presentation_clock(output->backend);
errno = 0;
if (clock_gettime(clock, &now) != 0) {
@ -572,16 +579,10 @@ void wlr_output_send_present(struct wlr_output *output, struct timespec *when,
"failed to read clock");
return;
}
when = &now;
event->when = &now;
}
struct wlr_output_event_present event = {
.output = output,
.when = when,
.seq = seq,
.flags = flags,
};
wlr_signal_emit_safe(&output->events.present, &event);
wlr_signal_emit_safe(&output->events.present, event);
}
bool wlr_output_set_gamma(struct wlr_output *output, size_t size,

4
types/wlr_presentation_time.c
View file

@ -42,8 +42,8 @@ static void feedback_send_presented(struct wlr_presentation_feedback *feedback,
uint32_t seq_hi = event->seq >> 32;
uint32_t seq_lo = event->seq & 0xFFFFFFFF;
wp_presentation_feedback_send_presented(feedback->resource,
tv_sec_hi, tv_sec_lo, event->tv_nsec, event->refresh, seq_hi, seq_lo,
event->flags);
tv_sec_hi, tv_sec_lo, event->tv_nsec, event->refresh,
seq_hi, seq_lo, event->flags);
wl_resource_destroy(feedback->resource);
}