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Support flicker free boot

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Fixes #724
This commit is contained in:
Consolatis 2023-01-23 07:15:55 +01:00
parent 5ebaf3ff52
commit 6c42aced3d
5 changed files with 28 additions and 5 deletions
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22
src/output.c
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@ -66,6 +66,12 @@ output_destroy_notify(struct wl_listener *listener, void *data)
static void do_output_layout_change(struct server *server);
static bool
can_reuse_mode(struct wlr_output *wlr_output)
{
return wlr_output->current_mode && wlr_output_test(wlr_output);
}
static void
new_output_notify(struct wl_listener *listener, void *data)
{
@ -109,11 +115,17 @@ new_output_notify(struct wl_listener *listener, void *data)
wlr_log(WLR_DEBUG, "enable output");
wlr_output_enable(wlr_output, true);
/* The mode is a tuple of (width, height, refresh rate). */
wlr_log(WLR_DEBUG, "set preferred mode");
struct wlr_output_mode *preferred_mode =
wlr_output_preferred_mode(wlr_output);
wlr_output_set_mode(wlr_output, preferred_mode);
/*
* Try to re-use the existing mode if configured to do so.
* Failing that, try to set the preferred mode.
*/
struct wlr_output_mode *preferred_mode = NULL;
if (!rc.reuse_output_mode || !can_reuse_mode(wlr_output)) {
wlr_log(WLR_DEBUG, "set preferred mode");
/* The mode is a tuple of (width, height, refresh rate). */
preferred_mode = wlr_output_preferred_mode(wlr_output);
wlr_output_set_mode(wlr_output, preferred_mode);
}
/*
* Sometimes the preferred mode is not available due to hardware