1 files changed, 4 insertions, 0 deletions
diff --git a/vpx/vp8dx.h b/vpx/vp8dx.h
index ca3d63c8f..201df88fe 100644
--- a/vpx/vp8dx.h
+++ b/vpx/vp8dx.h
@@ -69,6 +69,9 @@ enum vp8_dec_control_id {
    */
   VP8_SET_DECRYPT_KEY,
 
+  /** For testing. */
+  VP9_INVERT_TILE_DECODE_ORDER,
+
   VP8_DECODER_CTRL_ID_MAX
 };
 
@@ -85,6 +88,7 @@ VPX_CTRL_USE_TYPE(VP8D_GET_LAST_REF_UPDATES,   int *)
 VPX_CTRL_USE_TYPE(VP8D_GET_FRAME_CORRUPTED,    int *)
 VPX_CTRL_USE_TYPE(VP8D_GET_LAST_REF_USED,      int *)
 VPX_CTRL_USE_TYPE(VP8_SET_DECRYPT_KEY,         const unsigned char *)
+VPX_CTRL_USE_TYPE(VP9_INVERT_TILE_DECODE_ORDER, int)
 
 /*! @} - end defgroup vp8_decoder */