From aa24352e70bdc5cbeaa212055b25cb810ab6d71d Mon Sep 17 00:00:00 2001
From: Mark Watkins <jedimark@users.sourceforge.net>
Date: Wed, 16 Jan 2013 15:37:09 +1000
Subject: [PATCH] shutdown framebufferobject properly if used

---
 Graphs/gGraphView.cpp | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/Graphs/gGraphView.cpp b/Graphs/gGraphView.cpp
index ec4706e7..02183d46 100644
--- a/Graphs/gGraphView.cpp
+++ b/Graphs/gGraphView.cpp
@@ -45,6 +45,12 @@ QFont * defaultfont=NULL;
 QFont * mediumfont=NULL;
 QFont * bigfont=NULL;
 
+//MW: ick globals, but I want a system wide framebuffer of decent proprotions..
+bool fbo_unsupported=false;
+QGLFramebufferObject *fbo=NULL;
+const int max_fbo_width=2048;
+const int max_fbo_height=2048;
+
 bool evil_intel_graphics_chip=false;
 
 extern QLabel * qstatus2;
@@ -118,6 +124,12 @@ void DoneGraphs()
         for (QHash<QString,QImage *>::iterator i=images.begin();i!=images.end();i++) {
             delete i.value();
         }
+        if (fbo) { // Clear the frame buffer object
+            if (fbo->isBound()) fbo->release();
+            delete fbo;
+            fbo=NULL;
+            fbo_unsupported=true; // just in case shutdown order gets messed up
+        }
         _graph_init=false;
     }
 }
@@ -1857,12 +1869,6 @@ QPixmap gGraphView::pbRenderPixmap(int w,int h)
 
 }
 
-//MW: ick globals, but I want a system wide framebuffer of decent proprotions..
-bool fbo_unsupported=false;
-QGLFramebufferObject *fbo=NULL;
-const int max_fbo_width=2048;
-const int max_fbo_height=2048;
-
 QPixmap gGraphView::fboRenderPixmap(int w,int h)
 {
     QPixmap pm=QPixmap();