Don't use mipmapping for point sampler
Don't use mipmapping for point sampler

* This fixes issues where textures wouldn't render because they weren't
  mipmap complete, and although I was point sampling a single mip the point
  sampler was referencing the mipchain.

googlestadia/renderdoc,Velro/renderdoc,Zorro666/renderdoc,Velro/renderdoc,Zorro666/renderdoc,michaelrgb/renderdoc,Velro/renderdoc,adrianbu/renderdoc,etnlGD/renderdoc,etnlGD/renderdoc,Velro/renderdoc,Lssikkes/renderdoc,baldurk/renderdoc,victor-moya/renderdoc,moradin/renderdoc,TurtleRockStudios/renderdoc_public,Anteru/renderdoc,TurtleRockStudios/renderdoc_public,googlestadia/renderdoc,etnlGD/renderdoc,Lssikkes/renderdoc,Yours3lf/renderdoc,etnlGD/renderdoc,moradin/renderdoc,Yours3lf/renderdoc,cgmb/renderdoc,Velro/renderdoc,Lssikkes/renderdoc,adrianbu/renderdoc,cgmb/renderdoc,victor-moya/renderdoc,TurtleRockStudios/renderdoc_public,Anteru/renderdoc,michaelrgb/renderdoc,baldurk/renderdoc,Lssikkes/renderdoc,adrianbu/renderdoc,Lssikkes/renderdoc,victor-moya/renderdoc,adrianbu/renderdoc,googlestadia/renderdoc,Yours3lf/renderdoc,TurtleRockStudios/renderdoc_public,etnlGD/renderdoc,TurtleRockStudios/renderdoc_public,Zorro666/renderdoc,Yours3lf/renderdoc,Yours3lf/renderdoc,Velro/renderdoc,Zorro666/renderdoc,moradin/renderdoc,adrianbu/renderdoc,baldurk/renderdoc,Anteru/renderdoc,adrianbu/renderdoc,victor-moya/renderdoc,googlestadia/renderdoc,Lssikkes/renderdoc,baldurk/renderdoc,cgmb/renderdoc,googlestadia/renderdoc,michaelrgb/renderdoc,Anteru/renderdoc,etnlGD/renderdoc,cgmb/renderdoc,moradin/renderdoc,Anteru/renderdoc,Anteru/renderdoc,googlestadia/renderdoc,TurtleRockStudios/renderdoc_public,Zorro666/renderdoc,baldurk/renderdoc,moradin/renderdoc,victor-moya/renderdoc,victor-moya/renderdoc,michaelrgb/renderdoc,Zorro666/renderdoc,moradin/renderdoc,Yours3lf/renderdoc,cgmb/renderdoc,michaelrgb/renderdoc,Anteru/renderdoc,baldurk/renderdoc