rtcSetGeometryInstancedScene(3) Embree Ray Tracing Kernels 3 rtcSetGeometryInstancedScene(3) 

rtcSetGeometryInstancedScene - sets the instanced scene of
  an instance geometry


#include <embree3/rtcore.h>
void rtcSetGeometryInstancedScene(
  RTCGeometry geometry,
  RTCScene scene
);

The rtcSetGeometryInstancedScene function sets the instanced scene (scene argument) of the specified instance geometry (geometry argument).

On failure an error code is set that can be queried using rtcGetDeviceError.

[RTC_GEOMETRY_TYPE_INSTANCE], [rtcSetGeometryTransform]