vtkOpenGLShaderProperty::DeepCopy does not copy UserShaderReplacements
I would expect a DeepCopy method to copy the UserShaderReplacements method but it doesn't. It only performs the vtkShaderProperty::DeepCopy(p)
I would expect a DeepCopy method to copy the UserShaderReplacements method but it doesn't. It only performs the vtkShaderProperty::DeepCopy(p)