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main: better names of timers for delayed rendering timeouts

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Daniel Eklöf 2019-09-20 22:21:06 +02:00
parent 1a9ec997b3
commit b3a419f427
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GPG key ID: 5BBD4992C116573F
1 changed files with 18 additions and 12 deletions
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30
main.c
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@ -895,8 +895,8 @@ main(int argc, char *const *argv)
}
bool timeout_is_armed = false;
int timeout_fd1 = timerfd_create(CLOCK_REALTIME, TFD_NONBLOCK | TFD_CLOEXEC);
int timeout_fd2 = timerfd_create(CLOCK_REALTIME, TFD_NONBLOCK | TFD_CLOEXEC);
int delay_render_timer_lower = timerfd_create(CLOCK_REALTIME, TFD_NONBLOCK | TFD_CLOEXEC);
int delay_render_timer_upper = timerfd_create(CLOCK_REALTIME, TFD_NONBLOCK | TFD_CLOEXEC);
while (true) {
struct pollfd fds[] = {
@ -905,8 +905,8 @@ main(int argc, char *const *argv)
{.fd = term.kbd.repeat.fd, .events = POLLIN},
{.fd = term.flash.fd, .events = POLLIN},
{.fd = term.blink.fd, .events = POLLIN},
{.fd = timeout_fd1, .events = POLLIN},
{.fd = timeout_fd2, .events = POLLIN},
{.fd = delay_render_timer_lower, .events = POLLIN},
{.fd = delay_render_timer_upper, .events = POLLIN},
};
wl_display_flush(term.wl.display);
@ -929,9 +929,9 @@ main(int argc, char *const *argv)
ssize_t ret2 = 0;
if (fds[5].revents & POLLIN)
ret1 = read(timeout_fd1, &unused, sizeof(unused));
ret1 = read(delay_render_timer_lower, &unused, sizeof(unused));
if (fds[6].revents & POLLIN)
ret2 = read(timeout_fd2, &unused, sizeof(unused));
ret2 = read(delay_render_timer_upper, &unused, sizeof(unused));
if ((ret1 < 0 || ret2 < 0) && errno != EAGAIN)
LOG_ERRNO("failed to read timeout timer");
@ -940,8 +940,8 @@ main(int argc, char *const *argv)
/* Reset timers */
timeout_is_armed = false;
timerfd_settime(timeout_fd1, 0, &(struct itimerspec){.it_value = {0}}, NULL);
timerfd_settime(timeout_fd2, 0, &(struct itimerspec){.it_value = {0}}, NULL);
timerfd_settime(delay_render_timer_lower, 0, &(struct itimerspec){.it_value = {0}}, NULL);
timerfd_settime(delay_render_timer_upper, 0, &(struct itimerspec){.it_value = {0}}, NULL);
} else
assert(false);
}
@ -1003,11 +1003,17 @@ main(int argc, char *const *argv)
*/
if (term.render.frame_callback == NULL) {
/* First timeout - reset each time we receive input. */
timerfd_settime(timeout_fd1, 0, &(struct itimerspec){.it_value = {.tv_nsec = 1000000}}, NULL);
timerfd_settime(
delay_render_timer_lower, 0,
&(struct itimerspec){.it_value = {.tv_nsec = 1000000}},
NULL);
/* Second timeout - only reset when we render. Set to one frame (assuming 60HZ) */
if (!timeout_is_armed) {
timerfd_settime(timeout_fd2, 0, &(struct itimerspec){.it_value = {.tv_nsec = 16666666}}, NULL);
timerfd_settime(
delay_render_timer_upper, 0,
&(struct itimerspec){.it_value = {.tv_nsec = 16666666}},
NULL);
timeout_is_armed = true;
}
}
@ -1083,8 +1089,8 @@ main(int argc, char *const *argv)
}
}
close(timeout_fd1);
close(timeout_fd2);
close(delay_render_timer_lower);
close(delay_render_timer_upper);
out:
mtx_lock(&term.render.workers.lock);