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fall back to a lower output mode if needed (swaywm/sway@4cdc4ac)

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Dima Krasner 2022-03-31 13:50:52 +08:00
parent cb4265ac8c
commit 88837bf149
1 changed files with 12 additions and 1 deletions
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13
dwl.c
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@ -822,6 +822,7 @@ createmon(struct wl_listener *listener, void *data)
/* This event is raised by the backend when a new output (aka a display or
* monitor) becomes available. */
struct wlr_output *wlr_output = data;
struct wlr_output_mode *preferred_mode, *mode;
const MonitorRule *r;
Monitor *m = wlr_output->data = calloc(1, sizeof(*m));
if (!m)
@ -850,7 +851,17 @@ createmon(struct wl_listener *listener, void *data)
* monitor supports only a specific set of modes. We just pick the
* monitor's preferred mode; a more sophisticated compositor would let
* the user configure it. */
wlr_output_set_mode(wlr_output, wlr_output_preferred_mode(wlr_output));
preferred_mode = wlr_output_preferred_mode(wlr_output);
wlr_output_set_mode(wlr_output, preferred_mode);
if (!wlr_output_test(wlr_output) && !wl_list_empty(&wlr_output->modes)) {
wl_list_for_each(mode, &wlr_output->modes, link) {
if (mode != preferred_mode) {
wlr_output_set_mode(wlr_output, mode);
if (wlr_output_test(wlr_output))
break;
}
}
}
wlr_output_enable_adaptive_sync(wlr_output, 1);
/* Set up event listeners */