message: Init transform
diff: @@ -2447,7 +2447,10 @@ int main(int argc, char** argv)
  assert(index < size_t(-1));
  - rend.device_top_level_bvh.primitives()[i] = { rend.device_bvhs[index].ref(), mat4() };
  + rend.device_top_level_bvh.primitives()[i] = {
  + rend.device_bvhs[index].ref(),
  + inverse(rend.device_bvhs[index].transform_inv)
  + };
  }
  // Copy nodes and indices
  