From 1a814217c336529b6f3133f9491ff5920ecaf346 Mon Sep 17 00:00:00 2001
From: Jordan Justen <jordan.l.justen@intel.com>
Date: Tue, 10 Jul 2012 11:07:54 -0700
Subject: [PATCH] mesa unpack: call _mesa_problem when unpack function is not
 available

Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
---
 src/mesa/main/format_unpack.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/mesa/main/format_unpack.c b/src/mesa/main/format_unpack.c
index 529c416a8cc..bd218520f77 100644
--- a/src/mesa/main/format_unpack.c
+++ b/src/mesa/main/format_unpack.c
@@ -1604,6 +1604,11 @@ get_unpack_rgba_function(gl_format format)
       initialized = GL_TRUE;
    }
 
+   if (table[format] == NULL) {
+      _mesa_problem(NULL, "unsupported unpack for format %s",
+                    _mesa_get_format_name(format));
+   }
+
    return table[format];
 }
 
-- 
2.30.2