swrast: report data type in error message

diff --git a/src/mesa/swrast/s_span.c b/src/mesa/swrast/s_span.c
index 3240b1357743961443ebf8b96bab862c1f3d9ea4..ef38a6b22b817b7e4916666eebc8bddcdf11c764 100644 (file)
--- a/src/mesa/swrast/s_span.c
+++ b/src/mesa/swrast/s_span.c
@@ -299,7 +299,8 @@ interpolate_int_colors(struct gl_context *ctx, SWspan *span)
       interpolate_active_attribs(ctx, span, FRAG_BIT_COL0);
       break;
    default:
-      _mesa_problem(NULL, "bad datatype in interpolate_int_colors");
+      _mesa_problem(ctx, "bad datatype 0x%x in interpolate_int_colors",
+                    span->array->ChanType);
    }
    span->arrayMask |= SPAN_RGBA;
 }