From c946905907789ed15691c0be76e0b06a06885b97 Mon Sep 17 00:00:00 2001
From: xiphon <xiphon@protonmail.com>
Date: Wed, 20 May 2020 12:09:01 +0000
Subject: [PATCH] OpenGL: Windows - fall back to software renderer if OpenGL <
 2.1

---
 src/main/main.cpp | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/src/main/main.cpp b/src/main/main.cpp
index 16d91b0a..5774e686 100644
--- a/src/main/main.cpp
+++ b/src/main/main.cpp
@@ -75,6 +75,10 @@
 #include "daemon/DaemonManager.h"
 #endif
 
+#if defined(Q_OS_WIN)
+#include <QOpenGLContext>
+#endif
+
 #ifdef WITH_SCANNER
 #include "QR-Code-scanner/QrCodeScanner.h"
 #endif
@@ -179,6 +183,17 @@ int main(int argc, char *argv[])
 
     MainApp app(argc, argv);
 
+#if defined(Q_OS_WIN)
+    if (isOpenGL)
+    {
+        QOpenGLContext ctx;
+        isOpenGL = ctx.create() && ctx.format().version() >= qMakePair(2, 1);
+        if (!isOpenGL) {
+            qputenv("QMLSCENE_DEVICE", "softwarecontext");
+        }
+    }
+#endif
+
     app.setApplicationName("monero-core");
     app.setOrganizationDomain("getmonero.org");
     app.setOrganizationName("monero-project");