mesa/st/glsl_to_tgsi: move evaluation of read mask up in the call hierarchy

In preparation of the array live range tracking the evaluation of the read
mask is moved out the register live range tracking to the enclosing call
of the generalized read access tracking.

Signed-off-by: Gert Wollny <gw.fossdev@gmail.com>
Acked-by: Dave Airlie <airlied@redhat.com>
1 file changed