Per-component blend factors


I just observed that DX11 allows per color component blend factors (if I understand their API correctly).
AFAIK OpenGL allows the definition of separate blend factors only for the RGB and the alpha part separately.
This means that the GL spec has still some stuff to expose from current blending hardware capability.

Can anybody confirm or disprove this?

Never mind. I just figured it out that I misunderstood the DX11 API.
They don’t offer such functionality either if I understand it correctly.