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Dump box tree state into json files and display it on layout 2020 viewer

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This commit is contained in:
Fernando Jiménez Moreno 2020-02-17 15:30:32 +01:00
parent aaa3cd9a59
commit a042f85083
11 changed files with 161 additions and 56 deletions
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21
components/layout_thread_2020/lib.rs
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@ -173,7 +173,7 @@ pub struct LayoutThread {
outstanding_web_fonts: Arc<AtomicUsize>,
/// The root of the box tree.
box_tree_root: RefCell<Option<BoxTreeRoot>>,
box_tree_root: RefCell<Option<Arc<BoxTreeRoot>>>,
/// The root of the fragment tree.
fragment_tree_root: RefCell<Option<Arc<FragmentTreeRoot>>>,
@ -1154,7 +1154,8 @@ impl LayoutThread {
} else {
build_box_tree()
};
Some(box_tree)
Some(Arc::new(box_tree))
} else {
None
};
@ -1167,13 +1168,13 @@ impl LayoutThread {
self.viewport_size.height.to_f32_px(),
);
let run_layout = || box_tree.layout(&layout_context, viewport_size);
let fragment_tree = if let Some(pool) = rayon_pool {
let fragment_tree = Arc::new(if let Some(pool) = rayon_pool {
pool.install(run_layout)
} else {
run_layout()
};
});
*self.box_tree_root.borrow_mut() = Some(box_tree);
*self.fragment_tree_root.borrow_mut() = Some(Arc::new(fragment_tree));
*self.fragment_tree_root.borrow_mut() = Some(fragment_tree);
}
for element in elements_with_snapshot {
@ -1382,6 +1383,12 @@ impl LayoutThread {
document: Option<&ServoLayoutDocument>,
context: &mut LayoutContext,
) {
if self.trace_layout {
if let Some(box_tree) = &*self.box_tree_root.borrow() {
layout_debug::begin_trace(box_tree.clone(), fragment_tree.clone());
}
}
if !reflow_goal.needs_display() {
// Defer the paint step until the next ForDisplay.
//
@ -1393,10 +1400,6 @@ impl LayoutThread {
return;
}
if self.trace_layout {
layout_debug::begin_trace(fragment_tree.clone());
}
if let Some(document) = document {
document.will_paint();
}