In cuda_gvdb_raycast.cuh the function getLinearDepth uses the scn.* data structure only found under #define CUDA_PATHWAY without an ifdef guarding it. This means that OPTIX_PATHWAY will not compile if you include cuda_gvdb_raycast.cuh which the gInteractiveOptix sample does.
In cuda_gvdb_raycast.cuh the function getLinearDepth uses the scn.* data structure only found under #define CUDA_PATHWAY without an ifdef guarding it. This means that OPTIX_PATHWAY will not compile if you include cuda_gvdb_raycast.cuh which the gInteractiveOptix sample does.