122 lines
4.7 KiB
Nix
122 lines
4.7 KiB
Nix
{ config, pkgs, pkgs_i686, ... }:
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let
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inherit (pkgs.lib) mkOption types mkIf optional optionals elem optionalString optionalAttrs;
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cfg = config.hardware.opengl;
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kernelPackages = config.boot.kernelPackages;
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in {
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options = {
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hardware.opengl.enable = mkOption {
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description = "Whether this configuration requires opengl.";
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type = types.bool;
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default = false;
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internal = true;
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};
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hardware.opengl.driSupport = mkOption {
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type = types.bool;
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default = true;
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description = ''
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Whether to enable accelerated OpenGL rendering through the
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Direct Rendering Interface (DRI).
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'';
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};
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hardware.opengl.driSupport32Bit = mkOption {
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type = types.bool;
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default = false;
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description = ''
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On 64-bit systems, whether to support Direct Rendering for
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32-bit applications (such as Wine). This is currently only
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supported for the <literal>nvidia</literal> driver and for
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<literal>Mesa</literal>.
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'';
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};
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hardware.opengl.s3tcSupport = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Make S3TC(S3 Texture Compression) via libtxc_dxtn available
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to OpenGL drivers. It is essential for many games to work
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with FOSS GPU drivers.
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Using this library may require a patent license depending on your location.
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'';
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};
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hardware.opengl.videoDrivers = mkOption {
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type = types.listOf types.str;
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# !!! We'd like "nv" here, but it segfaults the X server.
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default = [ "ati" "cirrus" "intel" "vesa" "vmware" ];
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example = [ "vesa" ];
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description = ''
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The names of the opengl video drivers the configuration
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supports. They will be tried in order until one that
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supports your card is found.
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'';
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};
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};
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config = mkIf cfg.enable {
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assertions = pkgs.lib.singleton {
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assertion = cfg.driSupport32Bit -> pkgs.stdenv.isx86_64;
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message = "Option driSupport32Bit only makes sens on a 64-bit system.";
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};
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system.activationScripts.setup-opengl.deps = [];
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system.activationScripts.setup-opengl.text = ''
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rm -f /run/opengl-driver{,-32}
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${optionalString (pkgs.stdenv.isi686) "ln -sf opengl-driver /run/opengl-driver-32"}
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''
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#TODO: The OpenGL driver should depend on what's detected at runtime.
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+( if elem "nvidia" cfg.videoDrivers then
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''
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ln -sf ${kernelPackages.nvidia_x11} /run/opengl-driver
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${optionalString cfg.driSupport32Bit
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"ln -sf ${pkgs_i686.linuxPackages.nvidia_x11.override { libsOnly = true; kernel = null; } } /run/opengl-driver-32"}
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''
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else if elem "nvidiaLegacy173" cfg.videoDrivers then
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"ln -sf ${kernelPackages.nvidia_x11_legacy173} /run/opengl-driver"
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else if elem "nvidiaLegacy304" cfg.videoDrivers then
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''
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ln -sf ${kernelPackages.nvidia_x11_legacy304} /run/opengl-driver
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${optionalString cfg.driSupport32Bit
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"ln -sf ${pkgs_i686.linuxPackages.nvidia_x11_legacy304.override { libsOnly = true; kernel = null; } } /run/opengl-driver-32"}
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''
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else if elem "ati_unfree" cfg.videoDrivers then
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"ln -sf ${kernelPackages.ati_drivers_x11} /run/opengl-driver"
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else
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''
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${optionalString cfg.driSupport "ln -sf ${pkgs.mesa_drivers} /run/opengl-driver"}
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${optionalString cfg.driSupport32Bit
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"ln -sf ${pkgs_i686.mesa_drivers} /run/opengl-driver-32"}
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''
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);
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environment.variables.LD_LIBRARY_PATH =
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[ "/run/opengl-driver/lib" "/run/opengl-driver-32/lib" ]
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++ optional cfg.s3tcSupport "${pkgs.libtxc_dxtn}/lib"
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++ optional (cfg.s3tcSupport && cfg.driSupport32Bit) "${pkgs_i686.libtxc_dxtn}/lib";
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boot.extraModulePackages =
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optional (elem "nvidia" cfg.videoDrivers) kernelPackages.nvidia_x11 ++
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optional (elem "nvidiaLegacy173" cfg.videoDrivers) kernelPackages.nvidia_x11_legacy173 ++
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optional (elem "nvidiaLegacy304" cfg.videoDrivers) kernelPackages.nvidia_x11_legacy304 ++
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optional (elem "virtualbox" cfg.videoDrivers) kernelPackages.virtualboxGuestAdditions ++
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optional (elem "ati_unfree" cfg.videoDrivers) kernelPackages.ati_drivers_x11;
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boot.blacklistedKernelModules =
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optionals (elem "nvidia" cfg.videoDrivers) [ "nouveau" "nvidiafb" ];
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environment.etc = (optionalAttrs (elem "ati_unfree" cfg.videoDrivers) {
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"ati".source = "${kernelPackages.ati_drivers_x11}/etc/ati";
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})
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// (optionalAttrs (elem "nvidia" cfg.videoDrivers) {
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"OpenCL/vendors/nvidia.icd".source = "${kernelPackages.nvidia_x11}/lib/vendors/nvidia.icd";
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});
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};
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}
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