void brw_nir_lower_alpha_to_coverage(nir_shader *shader);
void brw_nir_lower_legacy_clipping(nir_shader *nir,
int nr_userclip_plane_consts,
void brw_nir_lower_alpha_to_coverage(nir_shader *shader);
void brw_nir_lower_legacy_clipping(nir_shader *nir,
int nr_userclip_plane_consts,