code: func DrawElementsInstancedBaseInstance(mode uint32, count int32, xtype uint32, indices unsafe.Pointer, instancecount int32, baseinstance uint32) {
  	syscall.Syscall6(gpDrawElementsInstancedBaseInstance, 6, uintptr(mode), uintptr(count), uintptr(xtype), uintptr(indices), uintptr(instancecount), uintptr(baseinstance))
  }
docs: // draw multiple instances of a set of elements with offset applied to instanced attributes