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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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6
components/style/values/specified/length.rs
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@ -131,6 +131,12 @@ impl FontRelativeLength {
match *self {
FontRelativeLength::Em(length) => {
if !matches!(base_size, FontBaseSize::InheritedStyle) {
context.rule_cache_conditions.borrow_mut()
.set_font_size_dependency(
reference_font_size.into()
);
}
(reference_font_size, length)
},
FontRelativeLength::Ex(length) => {