X-Git-Url: https://gerrit.automotivelinux.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fwm_error.hpp;h=c3144399e12eb5612cb4560757e9f2bd25223408;hb=17dd59f6fbc3deead5ce85006fb79aa9845bbdb4;hp=155d7918f27188ea56574a4776c3d8a6ddf46d88;hpb=c19969f65fb1441fea3920f5ab5acae09b37397f;p=apps%2Fagl-service-windowmanager.git

diff --git a/src/wm_error.hpp b/src/wm_error.hpp
index 155d791..c314439 100644
--- a/src/wm_error.hpp
+++ b/src/wm_error.hpp
@@ -16,6 +16,7 @@
 
 #ifndef WINDOW_MANAGER_ERROR
 #define WINDOW_MANAGER_ERROR
+#define INVALID_SURFACE_ID 0
 
 namespace wm {