app: comment on surface visiblity and layout setup

Signed-off-by: Marcus Fritzsch <marcus_fritzsch@mentor.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/src/app.cpp b/src/app.cpp
index 685f572..6a7f5b4 100644
--- a/src/app.cpp
+++ b/src/app.cpp
@@ -312,6 +312,8 @@ void App::surface_set_layout(uint32_t surface_id) {
    // set destination to the display rectangle
    s->set_destination_rectangle(x, y, w, h);
 
+   // XXX: visibility should be determined independently of our
+   //      layer + geometry setup.
    s->set_visibility(1);
    this->controller->layers[layer_id]->add_surface(s.get());