pub type PFN_vkCmdTraceRaysNV = unsafe extern "system" fn(command_buffer: CommandBuffer, raygen_shader_binding_table_buffer: Buffer, raygen_shader_binding_offset: DeviceSize, miss_shader_binding_table_buffer: Buffer, miss_shader_binding_offset: DeviceSize, miss_shader_binding_stride: DeviceSize, hit_shader_binding_table_buffer: Buffer, hit_shader_binding_offset: DeviceSize, hit_shader_binding_stride: DeviceSize, callable_shader_binding_table_buffer: Buffer, callable_shader_binding_offset: DeviceSize, callable_shader_binding_stride: DeviceSize, width: u32, height: u32, depth: u32);