webrender::visibility

Function compute_conservative_visible_rect

Source 
pub fn compute_conservative_visible_rect(
    clip_chain: &ClipChainInstance,
    culling_rect: VisRect,
    visibility_node_index: SpatialNodeIndex,
    prim_spatial_node_index: SpatialNodeIndex,
    spatial_tree: &SpatialTree,
) -> LayoutRect