i965/vs: Split setup_uniform_clipplane_values() into Gen4-5/6-7 parts.

Since Gen4-5 compacts clip planes and Gen6-7 doesn't, it makes sense to
split them into separate code paths.  This patch simply copies the code
to both halves; the next commits will simplify it.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
1 file changed