st/mesa: add subroutine bits (v1.1)
st/mesa: add subroutine bits (v1.1)

Just add support for the subroutine type to the
glsl->tgsi convertor.

v1.1: add subroutine to int support.

Acked-by: Kenneth Graunke <bd2562f754ec92342f93f61c25d731e290a2ffa8@whitecape.org>
Signed-off-by: Dave Airlie <f2295d84e358395675bc8031be58672073ae065e@redhat.com>

metora/MesaGLSLCompiler,metora/MesaGLSLCompiler,metora/MesaGLSLCompiler