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Allow dumping the optimized display list (DL).

Browse source 
This DL is created at paint time, per tile. To dump,
pass -Z dump-display-list-optimized at startup.
This commit is contained in:
Adenilson Cavalcanti 2015-04-16 17:10:39 -07:00
parent 653b40d3e5
commit ad62ff599a
2 changed files with 13 additions and 1 deletions
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6
components/gfx/display_list/mod.rs
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@ -34,6 +34,7 @@ use libc::uintptr_t;
use paint_task::PaintLayer;
use msg::compositor_msg::LayerId;
use net_traits::image::base::Image;
use util::opts;
use util::cursor::Cursor;
use util::linked_list::prepend_from;
use util::geometry::{self, Au, MAX_RECT, ZERO_RECT};
@ -280,6 +281,11 @@ impl StackingContext {
let display_list =
DisplayListOptimizer::new(tile_bounds).optimize(&*self.display_list);
if opts::get().dump_display_list_optimized {
println!("**** optimized display list. Tile bounds: {:?}", tile_bounds);
display_list.print_items(String::from_str("*"));
}
// Sort positioned children according to z-index.
let mut positioned_children = SmallVec8::new();
for kid in display_list.children.iter() {