[glglwty]

> they do support the standard interfaces to let other GPUs control the outputs. They just aren't on par with the proprietary drivers performance-wise

Some softwares don't work on nouveau. For example, chromium GPU acceleration and QtWebEngine

[nybble41]

That's fine. Those apps would be rendering with the integrated GPU (probably Intel). The nouveau driver would only be responsible for driving the outputs by scanning out from the buffers the other GPU rendered.