From 204a05fef82eede2fb2d79ec051668a1f42886cc Mon Sep 17 00:00:00 2001
From: Vlad Zagorodniy <vladzzag@gmail.com>
Date: Fri, 18 Jan 2019 11:44:50 +0200
Subject: [PATCH] Compile the virtual backend with older Mesa

Summary:
BUG: 403326
FIXED-IN: 5.15.0

Test Plan: N/A

Reviewers: #kwin, fvogt, davidedmundson

Reviewed By: #kwin, fvogt, davidedmundson

Subscribers: kwin, fvogt

Tags: #kwin

Differential Revision: https://phabricator.kde.org/D18353
---
 plugins/platforms/virtual/egl_gbm_backend.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/plugins/platforms/virtual/egl_gbm_backend.cpp b/plugins/platforms/virtual/egl_gbm_backend.cpp
index 9986da0487..1664867763 100644
--- a/plugins/platforms/virtual/egl_gbm_backend.cpp
+++ b/plugins/platforms/virtual/egl_gbm_backend.cpp
@@ -30,6 +30,10 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 // Qt
 #include <QOpenGLContext>
 
+#ifndef EGL_PLATFORM_SURFACELESS_MESA
+#define EGL_PLATFORM_SURFACELESS_MESA 0x31DD
+#endif
+
 namespace KWin
 {