From 0e557150f2ce03dc17df8df76e33e969cc30d4b7 Mon Sep 17 00:00:00 2001
From: Consolatis <35009135+Consolatis@users.noreply.github.com>
Date: Wed, 13 Nov 2024 14:24:07 +0100
Subject: [PATCH] view: ensure output is usable before setting adaptive sync

Fixes #2337

Backported from
36e099fc93b3caf87e7f390a732fcec69373de8c

Slightly modified to remove the additional `assert()`
to keep the code churn to a minimum.
---
 src/view.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/view.c b/src/view.c
index 481ec195..ecefc24f 100644
--- a/src/view.c
+++ b/src/view.c
@@ -372,6 +372,11 @@ set_adaptive_sync_fullscreen(struct view *view)
 	if (rc.adaptive_sync != LAB_ADAPTIVE_SYNC_FULLSCREEN) {
 		return;
 	}
+
+	if (!output_is_usable(view->output)) {
+		return;
+	}
+
 	/* Enable adaptive sync if view is fullscreen */
 	output_enable_adaptive_sync(view->output->wlr_output, view->fullscreen);
 	wlr_output_commit(view->output->wlr_output);