pub type PFN_vkCmdSetLineStipple = unsafe extern "system" fn(_command_buffer: CommandBuffer, _line_stipple_factor: u32, _line_stipple_pattern: u16);pub type PFN_vkCmdSetLineStipple = unsafe extern "system" fn(_command_buffer: CommandBuffer, _line_stipple_factor: u32, _line_stipple_pattern: u16);