CoreMaxIDARM(3)

# CoreMaxIDARM(3) Manual Page

## Name

CoreMaxIDARM - Max core ID that can be observed on the device running the invocation reading CoreMaxIDARM

## Description

`CoreMaxIDARM`

  Decorating a variable with the `CoreMaxIDARM` built-in decoration will make that variable contain the max ID of any shader core on the device on which the current shader invocation is running.

Valid Usage

- VUID-CoreMaxIDARM-CoreMaxIDARM-07597
  The variable decorated with `CoreMaxIDARM` must be declared using the `Input` `Storage` `Class`

- VUID-CoreMaxIDARM-CoreMaxIDARM-07598
  The variable decorated with `CoreMaxIDARM` 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