message: Don't hide RWs on GL if there are no subroutines
diff: @@ -1039,7 +1039,7 @@ void GLPipelineStateViewer::setShaderState(const GLPipe::Shader &stage, QLabel *
  readwrites->setUpdatesEnabled(true);
  readwrites->verticalScrollBar()->setValue(vs);
  - readwrites->parentWidget()->setVisible(!stage.Subroutines.empty());
  + readwrites->parentWidget()->setVisible(readwrites->invisibleRootItem()->childCount() > 0);
  }
  QString GLPipelineStateViewer::MakeGenericValueString(uint32_t compCount, CompType compType,
  