# ObjectToWorldKHR(3) Manual Page

## Name

ObjectToWorldKHR - Transformation matrix from object to world space

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## Description

`ObjectToWorldKHR`

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

Valid Usage

- VUID-ObjectToWorldKHR-ObjectToWorldKHR-04305
  The `ObjectToWorldKHR` decoration must be used only within the `IntersectionKHR`, `AnyHitKHR`, or `ClosestHitKHR` `Execution` `Model`

- VUID-ObjectToWorldKHR-ObjectToWorldKHR-04306
  The variable decorated with `ObjectToWorldKHR` must be declared using the `Input` `Storage` `Class`

- VUID-ObjectToWorldKHR-ObjectToWorldKHR-04307
  The variable decorated with `ObjectToWorldKHR` 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