From b33fd1cd1a767443bd5b8558c98ad62b61e016c4 Mon Sep 17 00:00:00 2001
From: Campbell Barton <ideasman42@gmail.com>
Date: Thu, 21 Jan 2010 11:34:36 +0000
Subject: [PATCH] bugfix, crash when rendering normally and then with the
 opengl view.

---
 source/blender/editors/screen/screen_ops.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/source/blender/editors/screen/screen_ops.c b/source/blender/editors/screen/screen_ops.c
index 87b61d2df27..32f6ba0ce85 100644
--- a/source/blender/editors/screen/screen_ops.c
+++ b/source/blender/editors/screen/screen_ops.c
@@ -3009,6 +3009,9 @@ static void image_buffer_rect_update(Scene *scene, RenderResult *rr, ImBuf *ibuf
 	}
 	if(rectf==NULL) return;
 	
+	if(ibuf->rect==NULL)
+		imb_addrectImBuf(ibuf);
+
 	rectf+= 4*(rr->rectx*ymin + xmin);
 	rectc= (char *)(ibuf->rect + ibuf->x*rymin + rxmin);