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-drivers = pkgs.mesa.overrideAttrs (oldAttrs: {
      patches = (oldAttrs.patches or []) ++ [
        ./hd4000-custom.patch
      ];
      mesonFlags = (oldAttrs.mesonFlags or []) ++ [
        "-Dgallium-rusticl=true"
      ];
    });
    custom-mesa-drivers-32 = pkgs.pkgsi686Linux.mesa.overrideAttrs (oldAttrs: {
      patches = (oldAttrs.patches or []) ++ [
        ./hd4000-custom.patch
      ];
      mesonFlags = (oldAttrs.mesonFlags or []) ++ [
        "-Dgallium-rusticl=true"
      ];
    });

in
{
  hardware.graphics = {
    package = custom-mesa-drivers;
    package32 = custom-mesa-drivers-32;
    
    extraPackages = [
      wayland-intel-vaapi-driver
      pkgs.libvdpau-va-gl
    ];

    extraPackages32 = [
      wayland-intel-vaapi-driver-32
      pkgs.pkgsi686Linux.libvdpau-va-gl
    ];
  };

  services.xserver.videoDrivers = [ "modesetting" ];

  environment.variables = {
    LIBVA_DRIVER_NAME = "i965";
  };
}