broadway: Use SOURCE operator when scrolling

diff --git a/gdk/broadway/gdkbroadway-server.c b/gdk/broadway/gdkbroadway-server.c
index 139ac8e001c18562659287d1995066294a254e35..597a34e767f76012fdc968da28f2a6ebcbeaaeff 100644 (file)
--- a/gdk/broadway/gdkbroadway-server.c
+++ b/gdk/broadway/gdkbroadway-server.c
@@ -1338,6 +1338,7 @@ copy_region (cairo_surface_t *surface,
   cairo_t *cr;
 
   cr = cairo_create (surface);
+  cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
 
   _cairo_region (cr, area);
   cairo_clip (cr);