pub type PFN_vkCmdSetCoarseSampleOrderNV = unsafe extern "system" fn(_command_buffer: CommandBuffer, _sample_order_type: CoarseSampleOrderTypeNV, _custom_sample_order_count: u32, _custom_sample_orders: *const CoarseSampleOrderCustomNV);pub type PFN_vkCmdSetCoarseSampleOrderNV = unsafe extern "system" fn(_command_buffer: CommandBuffer, _sample_order_type: CoarseSampleOrderTypeNV, _custom_sample_order_count: u32, _custom_sample_orders: *const CoarseSampleOrderCustomNV);