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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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10
components/layout/layout_task.rs
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@ -8,10 +8,9 @@
use css::node_style::StyledNode;
use construct::FlowConstructionResult;
use context::SharedLayoutContext;
use flow::{Flow, ImmutableFlowUtils, MutableFlowUtils, MutableOwnedFlowUtils};
use flow;
use flow::{mod, Flow, ImmutableFlowUtils, MutableFlowUtils, MutableOwnedFlowUtils};
use flow_ref::FlowRef;
use incremental::{Reflow, Repaint};
use incremental::{LayoutDamageComputation, Reflow, ReflowEntireDocument, Repaint};
use layout_debug;
use parallel::UnsafeFlow;
use parallel;
@ -675,7 +674,10 @@ impl LayoutTask {
Some((&data.url, data.iframe, self.first_reflow.get())),
self.time_profiler_chan.clone(),
|| {
layout_root.propagate_restyle_damage();
if opts::get().nonincremental_layout ||
layout_root.compute_layout_damage().contains(ReflowEntireDocument) {
layout_root.reflow_entire_document()
}
});
// Verification of the flow tree, which ensures that all nodes were either marked as leaves