nixpkgs/nixos/modules/hardware/video/ati.nix

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# This module provides the proprietary ATI X11 / OpenGL drivers.
{ config, lib, pkgs, pkgs_i686, ... }:
with lib;
let
drivers = config.services.xserver.videoDrivers;
enabled = elem "ati_unfree" drivers;
ati_x11 = config.boot.kernelPackages.ati_drivers_x11;
in
{
config = mkIf enabled {
nixpkgs.config.xorg.fglrxCompat = true;
services.xserver.drivers = singleton
{ name = "fglrx"; modules = [ ati_x11 ]; libPath = [ "${ati_x11}/lib" ]; };
hardware.opengl.package = ati_x11;
hardware.opengl.package32 = pkgs_i686.linuxPackages.ati_drivers_x11.override { libsOnly = true; kernel = null; };
environment.systemPackages = [ ati_x11 ];
boot.extraModulePackages = [ ati_x11 ];
boot.blacklistedKernelModules = [ "radeon" ];
environment.etc."ati".source = "${ati_x11}/etc/ati";
};
}