Method GetNextBlock

Rendering/VolumeOpenGL2/vtkVolumeTexture.cxx:189–207

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//------------------------------------------------------------------------------
vtkVolumeTexture::VolumeBlock* vtkVolumeTexture::GetNextBlock()
{
  this->CurrentBlockIdx++;
  // All blocks were already rendered
  if (this->SortedVolumeBlocks.size() <= this->CurrentBlockIdx)
  {
    this->CurrentBlockIdx = 0;
    return nullptr;
  }
  VolumeBlock* block = this->SortedVolumeBlocks[this->CurrentBlockIdx];

  // Load current block
  if (this->StreamBlocks)
  {
    this->LoadTexture(this->InterpolationType, block);
  }

  return block;
}

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vtkVolumeTexture::VolumeBlock* vtkVolumeTexture::GetCurrentBlock()