Method IsUpToDate

Rendering/OpenGL2/vtkArrayRenderer.cxx:205–229

}

bool vtkArrayRenderer::IsUpToDate(vtkRenderer* renderer, vtkActor* actor)
{
  if (this->RenderTimeStamp < actor->GetProperty()->GetMTime())
  {
    return false;
  }
  if (this->RenderTimeStamp < this->GetMTime())
  {
    return false;
  }

  auto modsIter = vtk::TakeSmartPointer(this->GetGLSLModCollection()->NewIterator());
  auto oglRen = static_cast<vtkOpenGLRenderer*>(renderer);
  for (modsIter->InitTraversal(); !modsIter->IsDoneWithTraversal(); modsIter->GoToNextItem())
  {
    auto mod = static_cast<vtkGLSLModifierBase*>(modsIter->GetCurrentObject());
    if (!mod->IsUpToDate(oglRen, this, actor))
    {
      vtkDebugWithObjectMacro(nullptr, << mod->GetClassName() << " is outdated");
      // if any mod is outdated, entire shader program must be re-compiled.
      return false;
    }
  }
  return true;
}

void vtkArrayRenderer::PrepareToRender(vtkRenderer* renderer, vtkActor* actor)
{