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This commit is contained in:
Alejandro Alonso 2026-01-19 17:44:42 +01:00
parent 02065559da
commit cb5674831a
1 changed files with 1 additions and 11 deletions
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12
render-wasm/src/render.rs
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@ -2157,20 +2157,12 @@ impl RenderState {
pub fn rebuild_tiles_shallow(&mut self, tree: ShapesPoolRef) {
performance::begin_measure!("rebuild_tiles_shallow");
// IMPORTANT:
// `TileHashMap` can accumulate non-root (deep) shape ids over time because we lazily call
// `add_shape_tiles()` while rendering. A "shallow rebuild" is supposed to rebuild the index
// only for first-level shapes, so we must start from a clean index to avoid mixing deep ids
// (which will not match `root_ids`) and causing tiles to be incorrectly considered empty.
self.tiles.invalidate();
let mut all_tiles = HashSet::<tiles::Tile>::new();
let mut nodes = vec![Uuid::nil()];
while let Some(shape_id) = nodes.pop() {
if let Some(shape) = tree.get(&shape_id) {
if shape_id != Uuid::nil() {
// Since we invalidated the tile index, we only need to add the shape tiles.
all_tiles.extend(self.add_shape_tiles(shape, tree));
all_tiles.extend(self.update_shape_tiles(shape, tree));
} else {
// We only need to rebuild tiles from the first level.
for child_id in shape.children_ids_iter(false) {
@ -2179,13 +2171,11 @@ impl RenderState {
}
}
}
// Update the changed tiles
self.surfaces.remove_cached_tiles(self.background_color);
for tile in all_tiles {
self.remove_cached_tile(tile);
}
performance::end_measure!("rebuild_tiles_shallow");
}