Description

GlobalInvocationId

Decorating a variable with the GlobalInvocationId built-in decoration will make that variable contain the location of the current invocation within the global workgroup. Each component is equal to the index of the local workgroup multiplied by the size of the local workgroup plus LocalInvocationId.

Valid Usage
  • VUID-GlobalInvocationId-GlobalInvocationId-04236
    The GlobalInvocationId decoration must be used only within the GLCompute, MeshEXT, TaskEXT, MeshNV, or TaskNV Execution Model

  • VUID-GlobalInvocationId-GlobalInvocationId-04237
    The variable decorated with GlobalInvocationId must be declared using the Input Storage Class

  • VUID-GlobalInvocationId-GlobalInvocationId-04238
    The variable decorated with GlobalInvocationId 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.

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