diff options
Diffstat (limited to 'gfx/wr/webrender/src/tile_cache.rs')
| -rw-r--r-- | gfx/wr/webrender/src/tile_cache.rs | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/gfx/wr/webrender/src/tile_cache.rs b/gfx/wr/webrender/src/tile_cache.rs index 89f42cfe21..a3c1ad233a 100644 --- a/gfx/wr/webrender/src/tile_cache.rs +++ b/gfx/wr/webrender/src/tile_cache.rs @@ -226,6 +226,7 @@ impl TileCacheBuilder { cluster.spatial_node_index, &mut self.prev_scroll_root_cache, spatial_tree, + true, ); *scroll_root_occurrences.entry(scroll_root).or_insert(0) += 1; @@ -324,6 +325,9 @@ impl TileCacheBuilder { spatial_node_index, &mut self.prev_scroll_root_cache, spatial_tree, + // Allow sticky frames as scroll roots, unless our quality settings prefer + // subpixel AA over performance. + !quality_settings.force_subpixel_aa_where_possible, ); let current_scroll_root = secondary_slices @@ -369,6 +373,7 @@ impl TileCacheBuilder { clip_node_data.key.spatial_node_index, &mut self.prev_scroll_root_cache, spatial_tree, + true, ); if spatial_root != self.root_spatial_node_index { @@ -509,12 +514,13 @@ fn find_scroll_root( spatial_node_index: SpatialNodeIndex, prev_scroll_root_cache: &mut (SpatialNodeIndex, SpatialNodeIndex), spatial_tree: &SceneSpatialTree, + allow_sticky_frames: bool, ) -> SpatialNodeIndex { if prev_scroll_root_cache.0 == spatial_node_index { return prev_scroll_root_cache.1; } - let scroll_root = spatial_tree.find_scroll_root(spatial_node_index); + let scroll_root = spatial_tree.find_scroll_root(spatial_node_index, allow_sticky_frames); *prev_scroll_root_cache = (spatial_node_index, scroll_root); scroll_root |