GlobalInvocationId(3)

Name

GlobalInvocationId - Global invocation ID

GlobalInvocationId: Decorating a variable with theGlobalInvocationId built-in decorationwill make that variable contain the location of the current invocationwithin the global workgroup.Each component is equal to the index of the local workgroup multiplied bythe size of the local workgroup plusLocalInvocationId.

Valid Usage

VUID-GlobalInvocationId-GlobalInvocationId-04236
TheGlobalInvocationId decorationmust be used only within theGLCompute,MeshEXT,TaskEXT,MeshNV, orTaskNVExecutionModel
VUID-GlobalInvocationId-GlobalInvocationId-04237
The variable decorated withGlobalInvocationIdmust be declaredusing theInputStorageClass
VUID-GlobalInvocationId-GlobalInvocationId-04238
The variable decorated withGlobalInvocationIdmust be declared asa three-component vector of 32-bit integer values

For more information, see theVulkan Specification (NOTE: cannot determine Specification page containing this refpage).

This page is extracted from the Vulkan Specification.Fixes and changes should be made to the Specification, not directly.