FirstIndexHUAWEI(3)

# FirstIndexHUAWEI(3) Manual Page

## Name

FirstIndexHUAWEI - cluster culling shader output variable

## Description

`FirstIndexHUAWEI`

  The `FirstIndexHUAWEI` decoration can be used to decorate a cluster culling shader output variable,this indexed mode specific variable will contain an integer value that specifies the base index within the index buffer corresponding to a cluster.

Valid Usage

- VUID-FirstIndexHUAWEI-FirstIndexHUAWEI-07799
  The `FirstIndexHUAWEI` decoration must be used only within the `ClusterCullingHUAWEI` `Execution` `Model`

- VUID-FirstIndexHUAWEI-FirstIndexHUAWEI-07800
  The variable decorated with `FirstIndexHUAWEI` 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