st_get_external_sampler_key: improve error message

Signed-off-by: Marek Olšák <marek.olsak@amd.com>

diff --git a/src/mesa/state_tracker/st_program.h b/src/mesa/state_tracker/st_program.h
index 90a77b9c17b108010aa8d8b51bad22f69f7290e4..900f5fc8ef15b794e73bd2b620853ee1d497c6ce 100644 (file)
--- a/src/mesa/state_tracker/st_program.h
+++ b/src/mesa/state_tracker/st_program.h
@@ -93,7 +93,8 @@ st_get_external_sampler_key(struct st_context *st, struct gl_program *prog)
          key.lower_xyuv |= (1 << unit);
          break;
       default:
-         printf("unhandled %u\n", st_get_view_format(stObj));
+         printf("mesa: st_get_external_sampler_key: unhandled pipe format %u\n",
+               st_get_view_format(stObj));
          break;
       }
    }