[PATCH v4 0/3] MR536: vkd3d-shader/ir: Revert "Do not merge signature elements which have different interpolation modes."

[Conor McCarthy (＠cmccarthy)]

--
  v4: vkd3d-shader/ir: Set merged signature element interpolation mode only from used elements.
      tests: Test an interpolated PS input where component x is unused.
      vkd3d-shader/ir: Revert "Do not merge signature elements which have different interpolation modes."

https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/536