iris: fix 3DSTATE_VERTEX_ELEMENTS length

2018-05-02 22:26:03 -07:00
parent 601ee4c189
commit 02890c75b5
1 changed files with 2 additions and 1 deletions
@@ -1419,7 +1419,8 @@ iris_create_vertex_elements(struct pipe_context *ctx,
    *  - if those are necessary, use count + 1/2/3... OR in the length
    */
   iris_pack_command(GENX(3DSTATE_VERTEX_ELEMENTS), cso->vertex_elements, ve) {
-      ve.DWordLength = 1 + GENX(VERTEX_ELEMENT_STATE_length) * count;
+      ve.DWordLength =
+         1 + GENX(VERTEX_ELEMENT_STATE_length) * MAX2(count, 1) - 2;
   }

   uint32_t *ve_pack_dest = &cso->vertex_elements[1];