intel/fs: Pass builders instead of blocks into emit_[un]zip

This makes it far more explicit where we're inserting the instructions
rather than the magic "before and after" stuff that the emit_[un]zip
helpers did based on block and inst.

Reviewed-by: Iago Toral Quiroga <itoral@igalia.com>
Cc: mesa-stable@lists.freedesktop.org
1 file changed