From 84d50509afb8f57e35fc842b6882c5e73c0d40ab Mon Sep 17 00:00:00 2001
From: Keith Brown <keith.brown@stfc.ac.uk>
Date: Thu, 22 Aug 2013 17:06:46 +0100
Subject: [PATCH] Looking for cause of non-render

Currently breakpointing the suspect area.

Refs #7802
---
 .../Geometry/src/Rendering/GluGeometryRenderer.cpp     | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/Code/Mantid/Framework/Geometry/src/Rendering/GluGeometryRenderer.cpp b/Code/Mantid/Framework/Geometry/src/Rendering/GluGeometryRenderer.cpp
index 80857d02e388..477c9f8975fc 100644
--- a/Code/Mantid/Framework/Geometry/src/Rendering/GluGeometryRenderer.cpp
+++ b/Code/Mantid/Framework/Geometry/src/Rendering/GluGeometryRenderer.cpp
@@ -46,7 +46,15 @@ namespace Mantid
 
     void GluGeometryRenderer::RenderCone(const V3D& center,const V3D& axis,double radius,double height)
     {
-      while(glGetError() != GL_NO_ERROR);
+      while(true)
+      {
+        auto testpoint = glGetError();
+        if (glGetError() == GL_NO_ERROR)
+        {
+          break;
+        }
+      }
+
       CreateCone(center,axis,radius,height);
     }