Hi,
VMware appears to need those extensions in order to supply openGL3.3 or DirectX10.
It's not exactly 1 on 1, if it was simply a matter of passing through the hosts graphics capabilities to the guest then we would have had DX12 for a while now, at least on Windows hosts and openGL 4 would have been there too.
There's a translation layer that is being used where the guest sees openGL3.3, but the host has to have more "oompf" in order to supply that.
Your guest is not directly connecting to the graphics card, it can't as your host OS already has access to that.
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Wil