glsl,nir: fix indirect tess factor access for compact_arrays=false drivers
What does this MR do and why?
glsl,nir: fix indirect tess factor access for compact_arrays=false drivers
Driver with compact_arrays=false (i.e. radeonsi) is broken when
tess factor is accessed indirectly, for example:
gl_TessLevelOuter[gl_InvocationID] = xxx;
This fix add a pass to lower array tess factor access into
direct vector access before nir_lower_io() like clip and
cull distance way.
Signed-off-by: Qiang Yu <yuq825@gmail.com>