From 6d90518c974e1dd959ed00c255de5b54595c4e90 Mon Sep 17 00:00:00 2001
From: Simon Ser <contact@emersion.fr>
Date: Wed, 19 Oct 2022 11:22:14 +0200
Subject: egl: add WLR_EGL_NO_MODIFIERS

Same as WLR_DRM_NO_MODIFIERS but for EGL. For debugging purposes
mostly.

References: https://gitlab.freedesktop.org/wlroots/wlroots/-/issues/3451
---
 docs/env_vars.md | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'docs')

diff --git a/docs/env_vars.md b/docs/env_vars.md
index 62472783..39daf9fd 100644
--- a/docs/env_vars.md
+++ b/docs/env_vars.md
@@ -12,6 +12,8 @@ wlroots reads these environment variables
   renderers: gles2, pixman, vulkan)
 * *WLR_RENDER_DRM_DEVICE*: specifies the DRM node to use for
   hardware-accelerated renderers.
+* *WLR_EGL_NO_MODIFIERS*: set to 1 to disable format modifiers in EGL, this can
+  be used to understand and work around driver bugs.
 
 ## DRM backend
 
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