message: remove false-positives of VKL volumes not consuming parameters
diff: @@ -121,6 +121,7 @@ namespace ospray {
  std::for_each(params_begin(), params_end(), [&](std::shared_ptr<Param> &p)
  {
  auto &param = *p;
  + param.query = true;
  if (param.data.is<bool>()) {
  vklSetBool(vklVolume,
  @@ -191,9 +192,7 @@ namespace ospray {
  vklRelease(vklData);
  }
  } else {
  - std::cerr << "[Volume] ignoring unsupported "
  - "parameter type: "
  - << param.name << std::endl;
  + param.query = false;
  }
  });
  }
  