message: enable setting initial renderer via command line
diff: @@ -29,6 +29,7 @@ using namespace ospcommon;
  using namespace ospray;
  std::vector<std::string> files;
  +std::string initialRendererType;
  bool addPlane = true;
  bool debug = false;
  @@ -40,6 +41,8 @@ void parseCommandLine(int ac, const char **&av)
  addPlane = false;
  } else if (arg == "-d" || arg == "--debug") {
  debug = true;
  + } else if (arg == "-r" || arg == "--renderer") {
  + initialRendererType = av[++i];
  } else if (arg == "-m" || arg == "--module") {
  ospLoadModule(av[++i]);
  } else {
  @@ -104,6 +107,9 @@ int main(int ac, const char **av)
  renderer["aoSamples"]->setValue(1);
  renderer["camera"]["fovy"]->setValue(60.f);
  + if (!initialRendererType.empty())
  + renderer["rendererType"]->setValue(initialRendererType);
  +
  auto lights = renderer["lights"];
  auto sun = sg::createNode("sun", "DirectionalLight");
  