gulkan.nix

{ stdenv
, fetchFromGitLab
, meson
, ninja
, pkgconfig
, cmake
, glib
, gdk-pixbuf
, vulkan-loader
, vulkan-headers
, graphene
, cairo
, shaderc
}:

stdenv.mkDerivation {
  name = "gulkan";

  src = fetchFromGitLab {
    domain = "gitlab.freedesktop.org";
    owner = "xrdesktop";
    repo = "gulkan";
    rev = "master";
    sha256 = "1sd66bz0kmgr3wn6113rbmh8qxis69b2ndlhlyaym5mrbvv12f7r";
  };

  nativeBuildInputs = [
    meson
    ninja
    pkgconfig
    cmake
  ];

  buildInputs = [
    gdk-pixbuf
    vulkan-loader
    vulkan-headers
    graphene
    cairo
    shaderc
  ];

  outputs = [ "out" "lib" ];
}

gxr.nix

{ stdenv
, fetchFromGitLab
, meson
, pkgconfig
, cmake
, openvr
, gulkan
}:

stdenv.mkDerivation {
  name = "gxr";

  src = fetchFromGitLab {
    domain = "gitlab.freedesktop.org";
    owner = "xrdesktop";
    repo = "gxr";
    rev = "master";
    sha256 = "1qhxhxhmhns9a89ypd646fqi3x1xhxpdxy4lyf92nzd0pkln0v6a";
  };

  nativeBuildInputs = [
    meson
    pkgconfig
    cmake
    gulkan
    gulkan.out
    gulkan.lib
  ];

  buildInputs = [
    openvr
    gulkan
    gulkan.out
    gulkan.lib
  ];
}

openvr.nix

{ stdenv, fetchFromGitHub, cmake }:

stdenv.mkDerivation {
  name = "openvr";

  src = fetchFromGitHub {
    owner = "ValveSoftware";
    repo = "openvr";
    rev = "master";
    sha256 = "01kb0fq4dsyqznn6m3n272qr89g6i2vzp0srjmi6ldxz3w0rzmb2";
  };

  buildInputs = [ cmake ];
}