program: add subroutine uniform support (v1.1)
program: add subroutine uniform support (v1.1)

Add support for the subroutine uniform type ir->mesa.cpp

v1.1: add subroutine to int to switch

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

metora/MesaGLSLCompiler,metora/MesaGLSLCompiler,metora/MesaGLSLCompiler