compositor: Init fade surface color properly

When fading in, if a repaint was triggered after a call to
weston_compositor_fade() but before the first call to fade_frame(),
the fade surface wouldn't be drawn because its alpha channel wasn't
initialized properly.

diff --git a/src/compositor.c b/src/compositor.c
index c2e5387..bb129d6 100644 (file)
--- a/src/compositor.c
+++ b/src/compositor.c
@@ -1112,7 +1112,7 @@ weston_compositor_fade(struct weston_compositor *compositor, float tint)
                        return;
 
                weston_surface_configure(surface, 0, 0, 8192, 8192);
-               weston_surface_set_color(surface, 0.0, 0.0, 0.0, 0.0);
+               weston_surface_set_color(surface, 0.0, 0.0, 0.0, 1.0 - tint);
                wl_list_insert(&compositor->fade_layer.surface_list,
                               &surface->layer_link);
                weston_surface_update_transform(surface);