Function add_render_task_with_mask 

fn add_render_task_with_mask(
    pattern: &Pattern,
    prim_local_coverage_rect: &LayoutRect,
    task_size: DeviceIntSize,
    content_origin: DevicePoint,
    clips_range: ClipNodeRange,
    prim_spatial_node_index: SpatialNodeIndex,
    raster_spatial_node_index: SpatialNodeIndex,
    prim_address_f: GpuBufferAddress,
    transform_id: GpuTransformId,
    aa_flags: EdgeMask,
    quad_flags: QuadFlags,
    device_pixel_scale: DevicePixelScale,
    needs_scissor_rect: bool,
    cache_key: Option<&RenderTaskCacheKey>,
    spatial_tree: &SpatialTree,
    interned_clips: &DataStore<ClipIntern>,
    frame_state: &mut FrameBuildingState<'_>,
) -> RenderTaskId