webrender::render_target

Function add_scaling_instances

Source 
fn add_scaling_instances(
    task: &ScalingTask,
    instances: &mut FastHashMap<TextureSource, Vec<ScalingInstance, FrameAllocator>>,
    target_task: &RenderTask,
    source_task: Option<&RenderTask>,
    memory: &FrameMemory,
)