Build failure with KWin from git master

/var/tmp/pamac-build-xaver/kwin-effect-xrdesktop-git/src/kwin-effect-xrdesktop/src/VRMirror.cpp: In member function 'void VRMirror::upload_window(XrdWindow*)':
/var/tmp/pamac-build-xaver/kwin-effect-xrdesktop-git/src/kwin-effect-xrdesktop/src/VRMirror.cpp:847:43: error: 'xrdShell' was not declared in this scope
  847 |         cached_texture = _allocateTexture(xrdShell, vrWin, width, height);
      |                                           ^~~~~~~~