From d73a681f5c48c9d21f09b496a215443bc2538c5d Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Tue, 4 Aug 2020 12:02:03 +0200
Subject: [xorg] Force using old i965 OpenGL driver on intel

The newer Iris driver causes corruption and glitches with
3D acceleration on VMware 15.5.6 -- maybe retry the newer
driver some time in the future.
---
 core/modules/xorg/data/etc/X11/Xsession.d/10-fix-vmware-3d | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100644 core/modules/xorg/data/etc/X11/Xsession.d/10-fix-vmware-3d

(limited to 'core/modules/xorg')

diff --git a/core/modules/xorg/data/etc/X11/Xsession.d/10-fix-vmware-3d b/core/modules/xorg/data/etc/X11/Xsession.d/10-fix-vmware-3d
new file mode 100644
index 00000000..05382879
--- /dev/null
+++ b/core/modules/xorg/data/etc/X11/Xsession.d/10-fix-vmware-3d
@@ -0,0 +1,10 @@
+#!/bin/ash 
+# ^ sourced
+
+# This is required for Mesa 20.0+ for now. Starting from this version,
+# the new "Iris" OpenGL driver has been made default for intel Gen8
+# and newer, which unfortunately completely breaks 3D acceleration with
+# VMware 15.5.6 (as of 2020-08-04 with Mesa 20.0 + Ubuntu 20.04 as base)
+
+export MESA_LOADER_DRIVER_OVERRIDE=i965
+
-- 
cgit v1.2.3-55-g7522