gl_renderer: Use EGL_WAYLAND_Y_INVERTED_WL to query wl_buffer's orientation
diff --git a/src/compositor.h b/src/compositor.h
index a6f2c62..50e96ff 100644
--- a/src/compositor.h
+++ b/src/compositor.h
@@ -611,6 +611,7 @@
 	};
 	int32_t width, height;
 	uint32_t busy_count;
+	int y_inverted;
 };
 
 struct weston_buffer_reference {