Here we make use of NIR the linking helpers to remove unused
varyings.
Sascha Willems demo results:
computecullandlod 39 -> 41 fps
pipelines ~6100 -> ~6200 fps
Signed-off-by: Bas Nieuwenhuizen <basni@google.com>
Signed-off-by: Timothy Arceri <tarceri@itsqueeze.com>
Acked-by: Dave Airlie <airlied@redhat.com>