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Fix painting order of atomic inline stacking containers (#30458)

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* Sort stacking contexts and stacking containers by painting order

* fix stealing of stacking containers; fix interleaving with fragments

* actually positioned stacking containers should be stolen too

* update expectations and clean up panic changes

* rework naming and docs

* rename s_c_a_p_s_c to real_s_c_a_p_s_c; fix docs

* rename InlineStackingContainer to AtomicInlineStackingContainer

* rework debug logging to use PrintTree

* clean up docs and PrintTree output

* don't panic unless cfg!(debug_assertions) is true

* update expectations
This commit is contained in:
Delan Azabani 2023-10-07 00:00:00 +08:00 • committed by GitHub
parent c06ec90151
commit afe4faa09a
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11 changed files with 374 additions and 156 deletions
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6
components/layout_thread_2020/lib.rs
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@ -1259,7 +1259,8 @@ impl LayoutThread {
// Build the root stacking context. This turns the `FragmentTree` into a
// tree of fragments in CSS painting order and also creates all
// applicable spatial and clip nodes.
let root_stacking_context = display_list.build_stacking_context_tree(&fragment_tree);
let root_stacking_context =
display_list.build_stacking_context_tree(&fragment_tree, &self.debug);
// Build the rest of the display list which inclues all of the WebRender primitives.
let (iframe_sizes, is_contentful) =
@ -1268,6 +1269,9 @@ impl LayoutThread {
if self.debug.dump_flow_tree {
fragment_tree.print();
}
if self.debug.dump_stacking_context_tree {
root_stacking_context.debug_print();
}
debug!("Layout done!");
// Observe notifications about rendered frames if needed right before