softpipe: fix incorrect tri vertex order for PIPE_PRIM_POLYGON rendering

This fixes incorrect front/back-face orientation. (cherry picked from commit a64bbdaa3e)
2009-06-04 13:12:13 -06:00
parent d37795c453
commit 6907650211
1 changed files with 1 additions and 1 deletions
@@ -420,8 +420,8 @@ sp_vbuf_draw_arrays(struct vbuf_render *vbr, uint start, uint nr)
       */
      for (i = 2; i < nr; i += 1) {
         setup_tri( setup_ctx,
-                    get_vert(vertex_buffer, i-0, stride),
                    get_vert(vertex_buffer, i-1, stride),
+                    get_vert(vertex_buffer, i-0, stride),
                    get_vert(vertex_buffer, 0, stride));
      }
      break;