WarpMaxIDARM(3)

# WarpMaxIDARM(3) Manual Page

## Name

WarpMaxIDARM - Max ID for a warp on the core running a shader invocation

## Description

`WarpMaxIDARM`

  Decorating a variable with the `WarpMaxIDARM` built-in decoration will make that variable contain the maximum warp ID for the core on which the current invocation is running.

Valid Usage

- VUID-WarpMaxIDARM-WarpMaxIDARM-07601
  The variable decorated with `WarpMaxIDARM` must be declared using the `Input` `Storage` `Class`

- VUID-WarpMaxIDARM-WarpMaxIDARM-07602
  The variable decorated with `WarpMaxIDARM` 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