From c3ca39d5c5458a58402abe737ef90c061b76aeb5 Mon Sep 17 00:00:00 2001
From: David Kocik <kocikdav@gmail.com>
Date: Mon, 23 Sep 2024 14:11:53 +0200
Subject: [PATCH] Possible fix of #12969 #13046

---
 src/PrusaSlicer.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/PrusaSlicer.cpp b/src/PrusaSlicer.cpp
index 584c49a8ab..0d5c42eb57 100644
--- a/src/PrusaSlicer.cpp
+++ b/src/PrusaSlicer.cpp
@@ -91,6 +91,10 @@ int CLI::run(int argc, char **argv)
     // startup if gtk3 is used. This env var has to be set explicitly to
     // instruct the window manager to fall back to X server mode.
     ::setenv("GDK_BACKEND", "x11", /* replace */ true);
+
+    // https://github.com/prusa3d/PrusaSlicer/issues/12969
+    ::setenv("WEBKIT_DISABLE_COMPOSITING_MODE", "1", /* replace */ false);
+    ::setenv("WEBKIT_DISABLE_DMABUF_RENDERER", "1", /* replace */ false);
 #endif
 
 	// Switch boost::filesystem to utf8.