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layout: Make incremental reflow more fine-grained by introducing "reflow

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out-of-flow" and "reconstruct flow" damage bits.

This is needed for good performance on the maze solver.
This commit is contained in:
Patrick Walton 2014-10-30 13:27:35 -07:00
parent 7712052e13
commit 08fc7c2795
20 changed files with 644 additions and 403 deletions
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24
components/layout/css/node_util.rs
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@ -2,7 +2,6 @@
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
use incremental::RestyleDamage;
use util::LayoutDataAccess;
use wrapper::ThreadSafeLayoutNode;
use wrapper::{After, Before, Normal};
@ -15,9 +14,6 @@ pub trait NodeUtil {
fn get_css_select_results<'a>(&'a self) -> &'a Arc<ComputedValues>;
fn have_css_select_results(&self) -> bool;
fn remove_css_select_results(self);
fn get_restyle_damage(self) -> RestyleDamage;
fn set_restyle_damage(self, damage: RestyleDamage);
}
impl<'ln> NodeUtil for ThreadSafeLayoutNode<'ln> {
@ -75,23 +71,5 @@ impl<'ln> NodeUtil for ThreadSafeLayoutNode<'ln> {
*style = None;
}
/// Get the description of how to account for recent style changes.
/// This is a simple bitfield and fine to copy by value.
fn get_restyle_damage(self) -> RestyleDamage {
let layout_data_ref = self.borrow_layout_data();
layout_data_ref
.as_ref().unwrap()
.data
.restyle_damage
}
/// Set the restyle damage field.
fn set_restyle_damage(self, damage: RestyleDamage) {
let mut layout_data_ref = self.mutate_layout_data();
match &mut *layout_data_ref {
&Some(ref mut layout_data) => layout_data.data.restyle_damage = damage,
_ => fail!("no layout data for this node"),
}
}
}