From 8500646226a18390389980af95eb07916ca59cff Mon Sep 17 00:00:00 2001
From: hut <hut@hut.pm>
Date: Sat, 30 Mar 2024 13:40:41 +0100
Subject: [PATCH] document WGPU_BACKEND=gl workaround for non-vulkan GPUs

---
 README.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/README.md b/README.md
index e63ec11..30b9235 100644
--- a/README.md
+++ b/README.md
@@ -30,6 +30,8 @@ Key features:
 
 - A graphics card with vulkan support
 
+Workaround if you don't have a vulkan GPU: Enable the OpenGL rendering backend by setting the `WGPU_BACKEND` environment variable to `gl`, e.g. by running `WGPU_BACKEND=gl cargo run` or `WGPU_BACKEND=gl ./outfly`. Note that this has considerably slower performance and occasional visual glitches.
+
 # Building
 
 To run the pre-compiled version on Arch Linux, you need some basic libs: