static gboolean meta_surface_actor_x11_should_unredirect (MetaSurfaceActor *actor) { MetaSurfaceActorX11 *self = META_SURFACE_ACTOR_X11 (actor); MetaSurfaceActorX11Private *priv = meta_surface_actor_x11_get_instance_private (self); MetaWindow *window = priv->window; if (meta_window_requested_dont_bypass_compositor (window)) return FALSE; if (window->opacity != 0xFF) return FALSE; if (window->shape_region != NULL) return FALSE; if (meta_surface_actor_is_argb32 (actor) && !meta_window_requested_bypass_compositor (window)) return FALSE; if (!meta_window_is_monitor_sized (window)) return FALSE; if (meta_window_requested_bypass_compositor (window)) return TRUE; if (meta_window_is_override_redirect (window)) return TRUE; if (priv->does_full_damage) return TRUE; return FALSE; }
static gboolean meta_surface_actor_x11_is_opaque (MetaSurfaceActor *actor) { MetaSurfaceActorX11 *self = META_SURFACE_ACTOR_X11 (actor); MetaSurfaceActorX11Private *priv = meta_surface_actor_x11_get_instance_private (self); /* If we're not ARGB32, then we're opaque. */ if (!meta_surface_actor_is_argb32 (actor)) return TRUE; cairo_region_t *opaque_region = meta_surface_actor_get_opaque_region (actor); /* If we have no opaque region, then no pixels are opaque. */ if (!opaque_region) return FALSE; MetaWindow *window = priv->window; cairo_rectangle_int_t client_area; meta_window_get_client_area_rect (window, &client_area); /* Otherwise, check if our opaque region covers our entire surface. */ if (cairo_region_contains_rectangle (opaque_region, &client_area) == CAIRO_REGION_OVERLAP_IN) return TRUE; return FALSE; }