#define TGSI_SEMANTIC_TESSOUTER 32 /**< outer tessellation levels */
#define TGSI_SEMANTIC_TESSINNER 33 /**< inner tessellation levels */
#define TGSI_SEMANTIC_VERTICESIN 34 /**< number of input vertices */
-#define TGSI_SEMANTIC_COUNT 35 /**< number of semantic values */
+#define TGSI_SEMANTIC_HELPER_INVOCATION 35 /**< current invocation is helper */
+#define TGSI_SEMANTIC_COUNT 36 /**< number of semantic values */
struct tgsi_declaration_semantic
{