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compositing: Implement display ports and avoid creating display lists
for items outside it. This improves Servo's performance on large pages.
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parent
acb9824229
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26 changed files with 340 additions and 66 deletions
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@ -2,6 +2,7 @@
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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extern crate geom;
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extern crate gfx;
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extern crate script_traits;
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extern crate msg;
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@ -15,25 +16,29 @@ extern crate util;
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// The traits are here instead of in layout so
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// that these modules won't have to depend on layout.
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use geom::rect::Rect;
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use gfx::font_cache_task::FontCacheTask;
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use gfx::paint_task::PaintChan;
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use msg::compositor_msg::Epoch;
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use msg::compositor_msg::{Epoch, LayerId};
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use msg::constellation_msg::{ConstellationChan, Failure, PipelineId, PipelineExitType};
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use profile_traits::mem;
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use profile_traits::time;
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use net_traits::image_cache_task::ImageCacheTask;
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use url::Url;
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use script_traits::{ScriptControlChan, OpaqueScriptLayoutChannel};
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use std::sync::mpsc::{Sender, Receiver};
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use util::geometry::Au;
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use url::Url;
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/// Messages sent to the layout task from the constellation
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/// Messages sent to the layout task from the constellation and/or compositor.
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pub enum LayoutControlMsg {
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ExitNow(PipelineExitType),
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GetCurrentEpoch(Sender<Epoch>),
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TickAnimations,
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SetVisibleRects(Vec<(LayerId, Rect<Au>)>),
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}
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/// A channel wrapper for constellation messages
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#[derive(Clone)]
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pub struct LayoutControlChan(pub Sender<LayoutControlMsg>);
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// A static method creating a layout task
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