fn write_gpu_gradient_stops_tree(
    stops: &[GradientStop],
    kind: GradientKind,
    extend_mode: ExtendMode,
    writer: &mut GpuBufferWriter<'_, GpuBufferBlockF>,
) -> boolfn write_gpu_gradient_stops_tree(
    stops: &[GradientStop],
    kind: GradientKind,
    extend_mode: ExtendMode,
    writer: &mut GpuBufferWriter<'_, GpuBufferBlockF>,
) -> bool