{ lib, callPackage, fetchpatch, fetchurl, stdenv, pkgsi686Linux }:

let
  generic = args: let
    imported = import ./generic.nix args;
  in if ((!lib.versionOlder args.version "391")
    && stdenv.hostPlatform.system != "x86_64-linux") then null
  else callPackage imported {
    lib32 = (pkgsi686Linux.callPackage imported {
      libsOnly = true;
      kernel = null;
    }).out;
  };

  kernel = callPackage # a hacky way of extracting parameters from callPackage
    ({ kernel, libsOnly ? false }: if libsOnly then { } else kernel) { };
in
rec {
  # Policy: use the highest stable version as the default (on our master).
  stable = if stdenv.hostPlatform.system == "x86_64-linux"
    then generic {
      version = "470.74";
      sha256_64bit = "sha256:0snzrb78f283rl92r5cqnr7bdk3yfkqpjac80sqskwi9wgg17r9k";
      settingsSha256 = "sha256:0hd9973l0zd8a0ia1dysfrk30jqxff1rr07b79ggvqd1xnvv0iqn";
      persistencedSha256 = "sha256:0i8wfhz53hdnabdcx9awki3nk6xa6dadzn91iswhmfm4jj6964jf";
    }
    else legacy_390;

  beta = generic {
    version = "470.42.01";
    sha256_64bit = "04w9nmi3vyww07pmgbd2r1x37s5p6xiy4qg9s06a1kjwzpm59xfd";
    settingsSha256 = "Ohbkm7j0/V0kzcxfsHujBkrdnaefneoLutf2Rju2hIQ=";
    persistencedSha256 = "1gfj4ffkidbhgjzdi6sv2sngdcb27w7b0rvfnj129rs36mcxy02j";
  };

  # Vulkan developer beta driver
  # See here for more information: https://developer.nvidia.com/vulkan-driver
  vulkan_beta = generic rec {
    version = "455.46.04";
    persistencedVersion = "455.45.01";
    settingsVersion = "455.45.01";
    sha256_64bit = "1iv42w3x1vc00bgn6y4w1hnfsvnh6bvj3vcrq8hw47760sqwa4xa";
    settingsSha256 = "09v86y2c8xas9ql0bqr7vrjxx3if6javccwjzyly11dzffm02h7g";
    persistencedSha256 = "13s4b73il0lq2hs81q03176n16mng737bfsp3bxnxgnrv3whrayz";
    url = "https://developer.nvidia.com/vulkan-beta-${lib.concatStrings (lib.splitString "." version)}-linux";
  };

  # Last one supporting x86
  legacy_390 = generic {
    version = "390.143";
    sha256_32bit = "AelrdTTeo/3+ZdXK0iniZDB8gJUkeZQtNoRm25z+bQY=";
    sha256_64bit = "tyKqcPM71ErK8ZZHLPtxmgrWzv6tfEmxBRveCSwTlO8=";
    settingsSha256 = "EJPXZbxZS1CMENAYk9dCAIsHsRTXJpj473+JLuhGkWI=";
    persistencedSha256 = "FtlPF3jCNr18NnImTmr8zJsaK9wbj/aWZ9LwoLr5SeE=";
  };

  legacy_340 = generic {
    version = "340.108";
    sha256_32bit = "1jkwa1phf0x4sgw8pvr9d6krmmr3wkgwyygrxhdazwyr2bbalci0";
    sha256_64bit = "06xp6c0sa7v1b82gf0pq0i5p0vdhmm3v964v0ypw36y0nzqx8wf6";
    settingsSha256 = "0zm29jcf0mp1nykcravnzb5isypm8l8mg2gpsvwxipb7nk1ivy34";
    persistencedSha256 = "1ax4xn3nmxg1y6immq933cqzw6cj04x93saiasdc0kjlv0pvvnkn";
    useGLVND = false;

    patches = [ ./vm_operations_struct-fault.patch ];
  };
}