Description

NumWorkgroups

Decorating a variable with the NumWorkgroups built-in decoration will make that variable contain the number of local workgroups that are part of the dispatch that the invocation belongs to. Each component is equal to the values of the workgroup count parameters passed into the dispatching commands.

Valid Usage

  • VUID-NumWorkgroups-NumWorkgroups-04296
    The NumWorkgroups decoration must be used only within the GLCompute, MeshEXT, or TaskEXT Execution Model

  • VUID-NumWorkgroups-NumWorkgroups-04297
    The variable decorated with NumWorkgroups must be declared using the Input Storage Class

  • VUID-NumWorkgroups-NumWorkgroups-04298
    The variable decorated with NumWorkgroups must be declared as a three-component vector of 32-bit integer 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 2014-2024 The Khronos Group Inc.

SPDX-License-Identifier: CC-BY-4.0