# WorldToObjectKHR(3) Manual Page

## Name

WorldToObjectKHR - Transformation matrix from world to object space

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## Description

`WorldToObjectKHR`

  A variable decorated with the `WorldToObjectKHR` decoration will contain the current world-to-object transformation matrix, which is determined by the instance of the current intersection.

Valid Usage

- VUID-WorldToObjectKHR-WorldToObjectKHR-04434
  The `WorldToObjectKHR` decoration must be used only within the `IntersectionKHR`, `AnyHitKHR`, or `ClosestHitKHR` `Execution` `Model`

- VUID-WorldToObjectKHR-WorldToObjectKHR-04435
  The variable decorated with `WorldToObjectKHR` must be declared using the `Input` `Storage` `Class`

- VUID-WorldToObjectKHR-WorldToObjectKHR-04436
  The variable decorated with `WorldToObjectKHR` must be declared as a matrix with four columns of three-component vectors of 32-bit floating-point values

## 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