Method Initialize

Rendering/OpenVR/vtkOpenVRRenderWindow.cxx:352–422

------------------------------------------------------------------------------

//------------------------------------------------------------------------------
void vtkOpenVRRenderWindow::Initialize()
{
  if (this->VRInitialized)
  {
    return;
  }

  if (!this->HelperWindow)
  {
    vtkErrorMacro(<< "HelperWindow is not set");
    return;
  }

  // Loading the SteamVR Runtime
  vr::EVRInitError eError = vr::VRInitError_None;
  this->HMD = vr::VR_Init(&eError, vr::VRApplication_Scene);

  if (eError != vr::VRInitError_None)
  {
    this->HMD = nullptr;
    char buf[1024];
    auto result = vtk::format_to_n(buf, sizeof(buf), "Unable to init VR runtime: {:s}",
      vr::VR_GetVRInitErrorAsEnglishDescription(eError));
    *result.out = '\0';
    vtkErrorMacro(<< "VR_Init Failed" << buf);
    return;
  }

  this->OpenVRRenderModels =
    (vr::IVRRenderModels*)vr::VR_GetGenericInterface(vr::IVRRenderModels_Version, &eError);
  if (!this->OpenVRRenderModels)
  {
    this->HMD = nullptr;
    vr::VR_Shutdown();

    char buf[1024];
    auto result = vtk::format_to_n(buf, sizeof(buf), "Unable to get render model interface: {:s}",
      vr::VR_GetVRInitErrorAsEnglishDescription(eError));
    *result.out = '\0';
    vtkErrorMacro(<< "VR_Init Failed" << buf);
    return;
  }

  this->GetSizeFromAPI();

  this->HelperWindow->SetDisplayId(this->GetGenericDisplayId());
  this->HelperWindow->SetShowWindow(false);
  this->HelperWindow->Initialize();

  this->MakeCurrent();

  this->OpenGLInit();

  this->MaximumHardwareLineWidth = this->HelperWindow->GetMaximumHardwareLineWidth();

  glDepthRange(0., 1.);

  this->SetWindowName(this->GetWindowTitleFromAPI().c_str());