    _ptr.with_not_null_return(0, |requirements| requirements.multisampling.unwrap_or(0))
}

#[no_mangle]
pub fn glutin_pixel_format_requirements_is_stereoscopy(
    _ptr: *mut ValueBox<PixelFormatRequirements>,
) -> bool {
    _ptr.with_not_null_return(false, |requirements| requirements.stereoscopy)