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| author | Martin Robinson <mrobinson@igalia.com> | 2025-01-13 10:59:59 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2025-01-13 09:59:59 +0000 |
| commit | de780dcde418759156fb93470fac2c89228425ab (patch) | |
| tree | aba9ac581530a5c56bfbd4320fd3eddb2c7e741f /components/layout_2020/fragment_tree/base_fragment.rs | |
| parent | c936dd6c4e80ac6e6f188fe629cc999f121e452d (diff) | |
| download | servo-de780dcde418759156fb93470fac2c89228425ab.tar.gz servo-de780dcde418759156fb93470fac2c89228425ab.zip | |
layout: Make `Fragment` hold `ArcRefCell` inside (#34923)
Push the interior mutability into enum variants of `Fragment`, so that
they can be cloned. This saves memory in the `Fragment` tree as the
`Fragment` enum is now a relatively wee 16 bytes and the interior parts
can be a variety of sizes. Before, every `Fragment` was the size of the
biggest kind (`BoxFragment` - 248 bytes).
This a step on the way toward incremental layout.
Signed-off-by: Martin Robinson <mrobinson@igalia.com>
Co-authored-by: Oriol Brufau <obrufau@igalia.com>
Diffstat (limited to 'components/layout_2020/fragment_tree/base_fragment.rs')
| -rw-r--r-- | components/layout_2020/fragment_tree/base_fragment.rs | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/components/layout_2020/fragment_tree/base_fragment.rs b/components/layout_2020/fragment_tree/base_fragment.rs index 05fe784b01d..4c1efaf0677 100644 --- a/components/layout_2020/fragment_tree/base_fragment.rs +++ b/components/layout_2020/fragment_tree/base_fragment.rs @@ -13,7 +13,7 @@ use crate::layout_debug::DebugId; /// This data structure stores fields that are common to all non-base /// Fragment types and should generally be the first member of all /// concrete fragments. -#[derive(Debug, Serialize)] +#[derive(Clone, Debug, Serialize)] pub(crate) struct BaseFragment { /// A tag which identifies the DOM node and pseudo element of this /// Fragment's content. If this fragment isn't related to any DOM |