anv: Combine ClipDistance and CullDistance arrays.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>

src/intel/vulkan/anv_pipeline.c

@@ -169,6 +169,9 @@ anv_shader_compile_to_nir(struct anv_device *device,
 
    nir = brw_preprocess_nir(compiler, nir);
 
+   nir_lower_clip_cull_distance_arrays(nir);
+   nir_validate_shader(nir);
+
    nir_shader_gather_info(nir, entry_point->impl);
 
    nir_variable_mode indirect_mask = 0;