Method ClearRemovedInputs

Rendering/VolumeOpenGL2/vtkOpenGLGPUVolumeRayCastMapper.cxx:2976–3013

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//------------------------------------------------------------------------------
void vtkOpenGLGPUVolumeRayCastMapper::vtkInternal::ClearRemovedInputs(vtkWindow* win)
{
  bool orderChanged = false;
  for (const int& port : this->Parent->RemovedPorts)
  {
    auto it = this->Parent->AssembledInputs.find(port);
    if (it == this->Parent->AssembledInputs.cend())
    {
      continue;
    }

    auto input = (*it).second;
    if (input.Texture)
    {
      input.Texture->ReleaseGraphicsResources(win);
    }
    if (input.GradientOpacityTables)
    {
      input.GradientOpacityTables->ReleaseGraphicsResources(win);
    }
    if (input.OpacityTables)
    {
      input.OpacityTables->ReleaseGraphicsResources(win);
    }
    if (input.RGBTables)
    {
      input.RGBTables->ReleaseGraphicsResources(win);
    }
    this->Parent->AssembledInputs.erase(it);
    orderChanged = true;
  }
  this->Parent->RemovedPorts.clear();

  if (orderChanged)
  {
    this->ForceTransferInit();
  }
}

//------------------------------------------------------------------------------
bool vtkOpenGLGPUVolumeRayCastMapper::vtkInternal::UpdateInputs(vtkRenderer* ren, vtkVolume* vol)