if (input->data.location == VARYING_SLOT_POS ||
input->data.location == VARYING_SLOT_PSIZ ||
+ input->data.location == VARYING_SLOT_FOGC ||
input->data.location == VARYING_SLOT_CLIP_VERTEX ||
input->data.location == VARYING_SLOT_CLIP_DIST0 ||
input->data.location == VARYING_SLOT_CLIP_DIST1 ||
input->data.location == VARYING_SLOT_COL0 ||
input->data.location == VARYING_SLOT_COL1 ||
+ input->data.location == VARYING_SLOT_BFC0 ||
+ input->data.location == VARYING_SLOT_BFC1 ||
(input->data.location >= VARYING_SLOT_VAR0 &&
input->data.location <= VARYING_SLOT_VAR31) ||
(input->data.location >= VARYING_SLOT_TEX0 &&