pub type FnCmdTraceRaysIndirectKHR = extern "system" fn(commandBuffer: CommandBuffer, pRaygenShaderBindingTable: *const StridedDeviceAddressRegionKHR, pMissShaderBindingTable: *const StridedDeviceAddressRegionKHR, pHitShaderBindingTable: *const StridedDeviceAddressRegionKHR, pCallableShaderBindingTable: *const StridedDeviceAddressRegionKHR, indirectDeviceAddress: DeviceAddress);