diff options
| author | Patrick Walton <pcwalton@mimiga.net> | 2014-01-27 14:41:06 -0800 |
|---|---|---|
| committer | Patrick Walton <pcwalton@mimiga.net> | 2014-01-27 14:41:52 -0800 |
| commit | 9c3af574e59cc48b955c5b4204e0972a0b5e2158 (patch) | |
| tree | 27f1b52b9f16004623b34e8ae9926f9416c1ba46 /src/components/script/dom/node.rs | |
| parent | fa02b82b8878175d889130dd81a2d8e0caa916ca (diff) | |
| download | servo-9c3af574e59cc48b955c5b4204e0972a0b5e2158.tar.gz servo-9c3af574e59cc48b955c5b4204e0972a0b5e2158.zip | |
layout: Perform cascading in parallel.
Speeds up the cascade by 3x.
Diffstat (limited to 'src/components/script/dom/node.rs')
| -rw-r--r-- | src/components/script/dom/node.rs | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/src/components/script/dom/node.rs b/src/components/script/dom/node.rs index 0ec2f989408..a930d57eef1 100644 --- a/src/components/script/dom/node.rs +++ b/src/components/script/dom/node.rs @@ -154,13 +154,10 @@ impl LayoutDataRef { /// Borrows the layout data immutably, *asserting that there are no mutators*. Bad things will /// happen if you try to mutate the layout data while this is held. This is the only thread- /// safe layout data accessor. - /// - /// FIXME(pcwalton): Enforce this invariant via the type system. Will require traversal - /// functions to be trusted, but c'est la vie. - // #[inline] - // pub unsafe fn borrow_unchecked<'a>(&'a self) -> &'a () { - // self.data.borrow_unchecked() - // } + #[inline] + pub unsafe fn borrow_unchecked(&self) -> *Option<LayoutData> { + cast::transmute(&self.data_cell) + } /// Borrows the layout data immutably. This function is *not* thread-safe. #[inline] |