From 6631d9819cb1635a6b8d273b99e8c17f33286dfc Mon Sep 17 00:00:00 2001
From: Michael Meeks <michael.meeks@collabora.com>
Date: Mon, 17 Nov 2014 20:33:41 +0000
Subject: vcl: only use default windows' GL Context for bitmaps if NULL /
 uninitialized.

Change-Id: I6465c548ba5d50da2cca7cce24e9bd2a20b28f47
---
 vcl/opengl/salbmp.cxx | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/vcl/opengl/salbmp.cxx b/vcl/opengl/salbmp.cxx
index 6dfb4bdf6be4..78bcf07b1594 100644
--- a/vcl/opengl/salbmp.cxx
+++ b/vcl/opengl/salbmp.cxx
@@ -472,14 +472,17 @@ sal_uInt16 OpenGLSalBitmap::GetBitCount() const
 
 bool OpenGLSalBitmap::makeCurrent()
 {
-    OpenGLContextProvider *pProvider;
-    pProvider = dynamic_cast< OpenGLContextProvider* >( ImplGetDefaultWindow()->GetGraphics() );
-    if( pProvider == NULL )
+    if (!mpContext || !mpContext->isInitialized())
     {
-        SAL_WARN( "vcl.opengl", "Couldn't get default OpenGL context provider" );
-        return false;
+        OpenGLContextProvider *pProvider;
+        pProvider = dynamic_cast< OpenGLContextProvider* >( ImplGetDefaultWindow()->GetGraphics() );
+        if( pProvider == NULL )
+        {
+            SAL_WARN( "vcl.opengl", "Couldn't get default OpenGL context provider" );
+            return false;
+        }
+        mpContext = pProvider->GetOpenGLContext();
     }
-    mpContext = pProvider->GetOpenGLContext();
     mpContext->makeCurrent();
     return true;
 }
-- 
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