Function webrender::render_target::add_svg_filter_instances

fn add_svg_filter_instances(
    instances: &mut Vec<(BatchTextures, Vec<SvgFilterInstance>)>,
    render_tasks: &RenderTaskGraph,
    filter: &SvgFilterInfo,
    task_id: RenderTaskId,
    input_1_task: Option<RenderTaskId>,
    input_2_task: Option<RenderTaskId>,
    extra_data_address: Option<GpuCacheAddress>
)