# HitTNV(3) Manual Page

## Name

HitTNV - T value of a ray intersection

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## Description

`HitTNV`

  A variable decorated with the `HitTNV` decoration is equivalent to a variable decorated with the `RayTmaxKHR` decoration.

Valid Usage

- VUID-HitTNV-HitTNV-04245
  The `HitTNV` decoration must be used only within the `AnyHitNV` or `ClosestHitNV` `Execution` `Model`

- VUID-HitTNV-HitTNV-04246
  The variable decorated with `HitTNV` must be declared using the `Input` `Storage` `Class`

- VUID-HitTNV-HitTNV-04247
  The variable decorated with `HitTNV` must be declared as a scalar 32-bit floating-point 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 2014-2025 The Khronos Group Inc.

SPDX-License-Identifier: CC-BY-4.0