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compositing: Implement display ports and avoid creating display lists

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This improves Servo's performance on large pages.
This commit is contained in:
Patrick Walton 2015-05-13 17:13:59 -07:00
parent acb9824229
commit 6a197719b3
26 changed files with 340 additions and 66 deletions
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5
components/script/layout_interface.rs
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@ -11,6 +11,7 @@ use dom::node::LayoutData;
use geom::point::Point2D;
use geom::rect::Rect;
use libc::uintptr_t;
use msg::compositor_msg::LayerId;
use msg::constellation_msg::{PipelineExitType, WindowSizeData};
use msg::compositor_msg::Epoch;
use net_traits::PendingAsyncLoad;
@ -47,6 +48,10 @@ pub enum Msg {
/// Requests that the layout task render the next frame of all animations.
TickAnimations,
/// Updates the layout visible rects, affecting the area that display lists will be constructed
/// for.
SetVisibleRects(Vec<(LayerId, Rect<Au>)>),
/// Destroys layout data associated with a DOM node.
///
/// TODO(pcwalton): Maybe think about batching to avoid message traffic.