From dc179256b8603f15f1f959d77936cc4b21ee48b6 Mon Sep 17 00:00:00 2001
From: Simon Ser <contact@emersion.fr>
Date: Wed, 18 Aug 2021 13:07:23 +0200
Subject: [PATCH] Ignore invisible layers in layer_intersects

---
 layer.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/layer.c b/layer.c
index 3825780..3e72127 100644
--- a/layer.c
+++ b/layer.c
@@ -141,6 +141,10 @@ layer_intersects(struct liftoff_layer *a, struct liftoff_layer *b)
 {
 	struct liftoff_rect ra, rb;
 
+	if (!layer_is_visible(a) || !layer_is_visible(b)) {
+		return false;
+	}
+
 	layer_get_rect(a, &ra);
 	layer_get_rect(b, &rb);