From 8d059ae2da8f0e3fad63b114cb2ebd6abdd0d4af Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fredrik=20H=C3=B6glund?= <fredrik@kde.org>
Date: Sat, 22 Nov 2014 14:19:05 +0100
Subject: [PATCH] Require OpenGL 2.0 in the SceneOpenGL2 constructor

BUG: 340254
FIXED-IN: 5.1.2
---
 scene_opengl.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/scene_opengl.cpp b/scene_opengl.cpp
index bacc980ca9..1048377ecb 100644
--- a/scene_opengl.cpp
+++ b/scene_opengl.cpp
@@ -860,6 +860,14 @@ SceneOpenGL2::SceneOpenGL2(OpenGLBackend *backend)
         // base ctor already failed
         return;
     }
+
+    // We only support the OpenGL 2+ shader API, not GL_ARB_shader_objects
+    if (!hasGLVersion(2, 0)) {
+        qDebug() << "OpenGL 2.0 is not supported";
+        init_ok = false;
+        return;
+    }
+
     // Initialize color correction before the shaders
     slotColorCorrectedChanged(false);
     connect(options, SIGNAL(colorCorrectedChanged()), this, SLOT(slotColorCorrectedChanged()), Qt::QueuedConnection);