message: subdivision level -> tessellation level.
diff: @@ -219,9 +219,9 @@ int main(int argc, const char **argv)
  ospCommit(renderer);
  }
  - static int subdivisionLevel = 5;
  - if (ImGui::SliderInt("subdivision level", &subdivisionLevel, 1, 10)) {
  - ospSet1f(subdivisionGeometry.geometry, "level", subdivisionLevel);
  + static int tessellationLevel = 5;
  + if (ImGui::SliderInt("tessellation level", &tessellationLevel, 1, 10)) {
  + ospSet1f(subdivisionGeometry.geometry, "level", tessellationLevel);
  ospCommit(subdivisionGeometry.geometry);
  ospCommit(world);
  