IncomingRayFlagsKHR(3)

# IncomingRayFlagsKHR(3) Manual Page

## Name

IncomingRayFlagsKHR - Flags used to trace a ray

## Description

`IncomingRayFlagsKHR`

  A variable with the `IncomingRayFlagsKHR` decoration will contain the ray flags passed in to the trace call that invoked this particular shader. Setting pipeline flags on the ray tracing pipeline must not cause any corresponding flags to be set in variables with this decoration.

Valid Usage

- VUID-IncomingRayFlagsKHR-IncomingRayFlagsKHR-04248
  The `IncomingRayFlagsKHR` decoration must be used only within the `IntersectionKHR`, `AnyHitKHR`, `ClosestHitKHR`, or `MissKHR` `Execution` `Model`

- VUID-IncomingRayFlagsKHR-IncomingRayFlagsKHR-04249
  The variable decorated with `IncomingRayFlagsKHR` must be declared using the `Input` `Storage` `Class`

- VUID-IncomingRayFlagsKHR-IncomingRayFlagsKHR-04250
  The variable decorated with `IncomingRayFlagsKHR` must be declared as a scalar 32-bit integer value

## See Also

No cross-references are available

## Document Notes

For more information, see the Vulkan Specification.

This page is extracted from the Vulkan Specification. Fixes and changes should be made to the Specification, not directly.

## Copyright

Copyright 2014-2026 The Khronos Group Inc.

SPDX-License-Identifier: CC-BY-4.0