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style: Add a TLS-based style struct caching mechanism.

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Emilio Cobos Álvarez 2017-08-23 20:04:11 +08:00 • committed by Cameron McCormack
parent 298b1363ff
commit c34c92e904
18 changed files with 278 additions and 13 deletions
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5
components/style/context.rs
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@ -20,6 +20,7 @@ use parallel::{STACK_SAFETY_MARGIN_KB, STYLE_THREAD_STACK_SIZE_KB};
#[cfg(feature = "servo")] use parking_lot::RwLock;
use properties::ComputedValues;
#[cfg(feature = "servo")] use properties::PropertyId;
use rule_cache::RuleCache;
use rule_tree::StrongRuleNode;
use selector_parser::{EAGER_PSEUDO_COUNT, SnapshotMap};
use selectors::matching::ElementSelectorFlags;
@ -685,6 +686,8 @@ impl StackLimitChecker {
pub struct ThreadLocalStyleContext<E: TElement> {
/// A cache to share style among siblings.
pub sharing_cache: StyleSharingCache<E>,
/// A cache from matched properties to elements that match those.
pub rule_cache: RuleCache,
/// The bloom filter used to fast-reject selector-matching.
pub bloom_filter: StyleBloom<E>,
/// A channel on which new animations that have been triggered by style
@ -722,6 +725,7 @@ impl<E: TElement> ThreadLocalStyleContext<E> {
pub fn new(shared: &SharedStyleContext) -> Self {
ThreadLocalStyleContext {
sharing_cache: StyleSharingCache::new(),
rule_cache: RuleCache::new(),
bloom_filter: StyleBloom::new(),
new_animations_sender: shared.local_context_creation_data.lock().unwrap().new_animations_sender.clone(),
tasks: SequentialTaskList(Vec::new()),
@ -739,6 +743,7 @@ impl<E: TElement> ThreadLocalStyleContext<E> {
pub fn new(shared: &SharedStyleContext) -> Self {
ThreadLocalStyleContext {
sharing_cache: StyleSharingCache::new(),
rule_cache: RuleCache::new(),
bloom_filter: StyleBloom::new(),
tasks: SequentialTaskList(Vec::new()),
selector_flags: SelectorFlagsMap::new(),