ClusterIDHUAWEI(3)

# ClusterIDHUAWEI(3) Manual Page

## Name

ClusterIDHUAWEI - cluster culling shader output variable

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## Description

`ClusterIDHUAWEI`

  The ClusterIDHUAWEI decoration can be used to decorate a cluster culling shader output variable,this variable will contain an integer value that specifies the id of cluster being rendered by this drawing command. When Cluster Culling Shader enable, ClusterIDHUAWEI will replace gl_DrawID pass to vertex shader for cluster-related information fetching.

Valid Usage

- VUID-ClusterIDHUAWEI-ClusterIDHUAWEI-07797
  The `ClusterIDHUAWEI` decoration must be used only within the `ClusterCullingHUAWEI` `Execution` `Model`

- VUID-ClusterIDHUAWEI-ClusterIDHUAWEI-07798
  The variable decorated with `ClusterIDHUAWEI` 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 2014-2023 The Khronos Group Inc.

SPDX-License-Identifier: CC-BY-4.0