3a5bdd6cf7
It's exposed with ARB_tf2, which we claimed support for. All the KHR-GL33 TF tests pass for me locally except for no_errors, which I have some outstanding fixes for with khronos. Our CI build seems to be having some issue with exceptions inside of deqp. Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8843>