Mesa (master): mesa unpack: call _mesa_problem when unpack function is not available

[Jordan Justen]

Module: Mesa
Branch: master
Commit: 1a814217c336529b6f3133f9491ff5920ecaf346
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=1a814217c336529b6f3133f9491ff5920ecaf346

Author: Jordan Justen <jordan.l.justen at intel.com>
Date:   Tue Jul 10 11:07:54 2012 -0700

mesa unpack: call _mesa_problem when unpack function is not available

Signed-off-by: Jordan Justen <jordan.l.justen at intel.com>
Reviewed-by: Brian Paul <brianp at vmware.com>

---

 src/mesa/main/format_unpack.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/src/mesa/main/format_unpack.c b/src/mesa/main/format_unpack.c
index 529c416..bd21852 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];
 }