OpenXR software development kit -- validation layer

 OpenXR is an API specification for writing portable, cross-platform
 virtual reality (VR) and augmented reality (AR) software.
 .
 This package contains the XR_APILAYER_LUNARG_core_validation
 OpenXR API layer from the OpenXR-SDK-Source repository. It may be
 explicitly enabled by an environment variable or an application.
 .
 The XR_APILAYER_LUNARG_core_validation layer validates API call
 input and can provide a summary of usage errors.