From 2f79dbd9fbfb6cf1b39a4aeea47da340381c7489 Mon Sep 17 00:00:00 2001
From: Raphael Robatsch <raphael-git@tapesoftware.net>
Date: Tue, 2 Nov 2021 18:49:50 +0100
Subject: [PATCH] don't render unless we have a buffer

---
 src/bar.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/bar.cpp b/src/bar.cpp
index 00acaad..792487c 100644
--- a/src/bar.cpp
+++ b/src/bar.cpp
@@ -165,7 +165,8 @@ void Bar::layerSurfaceConfigure(uint32_t serial, uint32_t width, uint32_t height
 
 void Bar::render()
 {
-	if (!visible()) return;
+	if (!_bufs)
+		return;
 	auto img = wl_unique_ptr<cairo_surface_t> {cairo_image_surface_create_for_data(
 		_bufs->data(),
 		CAIRO_FORMAT_ARGB32,