copnix/modules/nixos/hardware/graphics/intel.nix

{
  pkgs,
  ...
}:
let
  wayland-intel-vaapi-driver = pkgs.intel-vaapi-driver.overrideAttrs (oldAttrs: {
    version = "2.4.4-wayland-fix";
    src = pkgs.fetchFromGitHub {
      owner = "irql-notlessorequal";
      repo = "intel-vaapi-driver";
      rev = "929e936ec1f451a5daa12b0c7367687b712b8c2c";
      hash = "sha256-tZ1rZ+4bRxarcFQhP8V2Mfz0sJ5rBgHYLu2ulrQwL+U=";
    };
  });
  wayland-intel-vaapi-driver-32 = pkgs.pkgsi686Linux.intel-vaapi-driver.overrideAttrs (oldAttrs: {
    version = "2.4.4-wayland-fix";
    src = pkgs.fetchFromGitHub {
      owner = "irql-notlessorequal";
      repo = "intel-vaapi-driver";
      rev = "929e936ec1f451a5daa12b0c7367687b712b8c2c";
      hash = "sha256-tZ1rZ+4bRxarcFQhP8V2Mfz0sJ5rBgHYLu2ulrQwL+U=";
    };
  });
  custom-mesa = pkgs.mesa.overrideAttrs (oldAttrs: {
    patches = (oldAttrs.patches or []) ++ [
      ../../../../patches/hd4000-hasvk13.patch
    ];
  });
  custom-mesa-32 = pkgs.pkgsi686Linux.mesa.overrideAttrs (oldAttrs: {
    patches = (oldAttrs.patches or []) ++ [
      ../../../../patches/hd4000-hasvk13.patch
    ];
  });
in
{
  hardware.graphics = {
    package = custom-mesa;
    package32 = custom-mesa-32;
    extraPackages = [
      wayland-intel-vaapi-driver
      pkgs.libvdpau-va-gl
      pkgs.intel-ocl
    ];
    extraPackages32 = [
      wayland-intel-vaapi-driver-32
      pkgs.pkgsi686Linux.libvdpau-va-gl
    ];
  };
  services.xserver.videoDrivers = [ "modesetting" ];
  environment.variables = {
    LIBVA_DRIVER_NAME = "i965";
  };
}