Shared rendering class

[PaladinOfKaos]

I'm working on an app using OpenGL and FBOs. The FBOs need to use the same basic rendering code as the main window, so I'm left with two choices:

MyRenderer: public QGLWidget, private CoreRenderer
{
}
-OR-
MyRenderer: public QGLWidget
{
private:
  CoreRenderer renderer;
}

MyRenderer: public QGLWidget, private CoreRenderer
{
}
-OR-
MyRenderer: public QGLWidget
{
private:
  CoreRenderer renderer;
}

To copy to clipboard, switch view to plain text mode 

The same options also exist for the FBO class.

Will Qt care which way I do it? And if not, which way would work nicest with Qt?