+/**
+ * This defines mapping from Mesa VARYING_SLOTs to TGSI GENERIC slots.
+ */
+static inline unsigned
+st_get_generic_varying_index(struct st_context *st, GLuint attr)
+{
+ if (attr >= VARYING_SLOT_VAR0) {
+ if (st->needs_texcoord_semantic)
+ return attr - VARYING_SLOT_VAR0;
+ else
+ return 9 + (attr - VARYING_SLOT_VAR0);
+ }
+ if (attr == VARYING_SLOT_PNTC) {
+ assert(!st->needs_texcoord_semantic);
+ return 8;
+ }
+ if (attr >= VARYING_SLOT_TEX0 && attr <= VARYING_SLOT_TEX7) {
+ assert(!st->needs_texcoord_semantic);
+ return attr - VARYING_SLOT_TEX0;
+ }
+
+ assert(0);
+ return 0;
+}