RayGeometryIndexKHR(3)

Name

RayGeometryIndexKHR - Geometry index in a ray shader

Description

RayGeometryIndexKHR

A variable decorated with the RayGeometryIndexKHR decoration will contain the geometry index for the acceleration structure geometry currently being shaded.

Valid Usage

  • VUID-RayGeometryIndexKHR-RayGeometryIndexKHR-04345
    The RayGeometryIndexKHR decoration must be used only within the IntersectionKHR, AnyHitKHR, or ClosestHitKHR Execution Model

  • VUID-RayGeometryIndexKHR-RayGeometryIndexKHR-04346
    The variable decorated with RayGeometryIndexKHR must be declared using the Input Storage Class

  • VUID-RayGeometryIndexKHR-RayGeometryIndexKHR-04347
    The variable decorated with RayGeometryIndexKHR 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.