simple-touch: Attach buffer before posting damage

diff --git a/clients/simple-touch.c b/clients/simple-touch.c
index b8473f1..534c77c 100644 (file)
--- a/clients/simple-touch.c
+++ b/clients/simple-touch.c
@@ -141,6 +141,7 @@ touch_paint(struct touch *touch, int32_t x, int32_t y, int32_t id)
        p += touch->width;
        p[2] = c;
 
+       wl_surface_attach(touch->surface, touch->buffer, 0, 0);
        wl_surface_damage(touch->surface, x - 2, y - 2, 5, 5);
        /* todo: We could queue up more damage before committing, if there
         * are more input events to handle.