St: draw the actor at full opacity when creating shadow material

When creating the shadow, we should ignore the opacity set on the
actor and its parent, as it will be applied again at a later stage.

https://bugzilla.gnome.org/show_bug.cgi?id=677412

diff --git a/src/st/st-private.c b/src/st/st-private.c
index 4096d15c73f6c49aefda556c761f405aeb300069..c928e6aa757c763665f7d5f5042ad786d70effe9 100644 (file)
--- a/src/st/st-private.c
+++ b/src/st/st-private.c
@@ -460,7 +460,10 @@ _st_create_shadow_pipeline_from_actor (StShadow     *shadow_spec,
       cogl_framebuffer_clear (fb, COGL_BUFFER_BIT_COLOR, &clear_color);
       cogl_framebuffer_translate (fb, -box.x1, -box.y1, 0);
       cogl_framebuffer_orthographic (fb, 0, width, height, 0, 0, 1.0);
+
+      clutter_actor_set_opacity_override (actor, 255);
       clutter_actor_paint (actor);
+      clutter_actor_set_opacity_override (actor, -1);
 
       G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
       cogl_pop_framebuffer ();