InstanceId(3)

Name

InstanceId - Id associated with an intersected instance

Description

InstanceId

Decorating a variable in an intersection, any-hit, or closest hit shader with the InstanceId decoration will make that variable contain the index of the instance that intersects the current ray.

Valid Usage

  • VUID-InstanceId-InstanceId-04254
    The InstanceId decoration must be used only within the IntersectionKHR, AnyHitKHR, or ClosestHitKHR Execution Model

  • VUID-InstanceId-InstanceId-04255
    The variable decorated with InstanceId must be declared using the Input Storage Class

  • VUID-InstanceId-InstanceId-04256
    The variable decorated with InstanceId 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 (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.