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Eliminate the sequential/traversal parallel distinction in favor of a unified adaptive driver.

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MozReview-Commit-ID: ADVTNJntzmp
This commit is contained in:
Bobby Holley 2017-08-24 11:48:24 -07:00
parent f7c6b2f04e
commit 707ab455bb
13 changed files with 164 additions and 208 deletions
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2
components/layout/parallel.rs
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@ -21,8 +21,6 @@ use style::dom::UnsafeNode;
use traversal::{AssignBSizes, AssignISizes, BubbleISizes};
use traversal::{PostorderFlowTraversal, PreorderFlowTraversal};
pub use style::parallel::traverse_dom;
/// Traversal chunk size.
const CHUNK_SIZE: usize = 16;

2
components/layout/sequential.rs
View file

@ -18,8 +18,6 @@ use style::servo::restyle_damage::{REFLOW, REFLOW_OUT_OF_FLOW, STORE_OVERFLOW};
use traversal::{AssignBSizes, AssignISizes, BubbleISizes, BuildDisplayList};
use traversal::{InorderFlowTraversal, PostorderFlowTraversal, PreorderFlowTraversal};
pub use style::sequential::traverse_dom;
pub fn resolve_generated_content(root: &mut Flow, layout_context: &LayoutContext) {
ResolveGeneratedContent::new(&layout_context).traverse(root, 0);
}

10
components/layout/traversal.rs
View file

@ -15,14 +15,13 @@ use style::data::ElementData;
use style::dom::{NodeInfo, TElement, TNode};
use style::selector_parser::RestyleDamage;
use style::servo::restyle_damage::{BUBBLE_ISIZES, REFLOW, REFLOW_OUT_OF_FLOW, REPAINT, REPOSITION};
use style::traversal::{DomTraversal, TraversalDriver, recalc_style_at};
use style::traversal::{DomTraversal, recalc_style_at};
use style::traversal::PerLevelTraversalData;
use wrapper::{GetRawData, LayoutNodeLayoutData};
use wrapper::ThreadSafeLayoutNodeHelpers;
pub struct RecalcStyleAndConstructFlows<'a> {
context: LayoutContext<'a>,
driver: TraversalDriver,
}
impl<'a> RecalcStyleAndConstructFlows<'a> {
@ -33,10 +32,9 @@ impl<'a> RecalcStyleAndConstructFlows<'a> {
impl<'a> RecalcStyleAndConstructFlows<'a> {
/// Creates a traversal context, taking ownership of the shared layout context.
pub fn new(context: LayoutContext<'a>, driver: TraversalDriver) -> Self {
pub fn new(context: LayoutContext<'a>) -> Self {
RecalcStyleAndConstructFlows {
context: context,
driver: driver,
}
}
@ -85,10 +83,6 @@ impl<'a, E> DomTraversal<E> for RecalcStyleAndConstructFlows<'a>
fn shared_context(&self) -> &SharedStyleContext {
&self.context.style_context
}
fn is_parallel(&self) -> bool {
self.driver.is_parallel()
}
}
/// A top-down traversal.