From 1db3addd6764e9b9e449137421bf8ff9cb1e8ae0 Mon Sep 17 00:00:00 2001
From: matthieu <matthieu@openbsd.org>
Date: Sat, 2 Aug 2008 16:01:32 +0000
Subject: [PATCH] Prevent a crash if  Delete is not defined for the given
 renderbuffer. Patch from OUSADOU Azwaw. Thanks. ok oga@.

---
 dist/Mesa/src/mesa/main/context.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/dist/Mesa/src/mesa/main/context.c b/dist/Mesa/src/mesa/main/context.c
index e79a90534..b738d3bc8 100644
--- a/dist/Mesa/src/mesa/main/context.c
+++ b/dist/Mesa/src/mesa/main/context.c
@@ -656,7 +656,9 @@ delete_renderbuffer_cb(GLuint id, void *data, void *userData)
 {
    struct gl_renderbuffer *rb = (struct gl_renderbuffer *) data;
    rb->RefCount = 0;  /* see comment for FBOs above */
-   rb->Delete(rb);
+
+   if (rb-Delete)
+     rb->Delete(rb);
 }