diff options
Diffstat (limited to 'nixos/modules/hardware/opengl.nix')
-rw-r--r-- | nixos/modules/hardware/opengl.nix | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/nixos/modules/hardware/opengl.nix b/nixos/modules/hardware/opengl.nix new file mode 100644 index 00000000000..0d8aaf73459 --- /dev/null +++ b/nixos/modules/hardware/opengl.nix @@ -0,0 +1,157 @@ +{ config, lib, pkgs, ... }: + +with lib; + +let + + cfg = config.hardware.opengl; + + kernelPackages = config.boot.kernelPackages; + + videoDrivers = config.services.xserver.videoDrivers; + + package = pkgs.buildEnv { + name = "opengl-drivers"; + paths = [ cfg.package ] ++ cfg.extraPackages; + }; + + package32 = pkgs.buildEnv { + name = "opengl-drivers-32bit"; + paths = [ cfg.package32 ] ++ cfg.extraPackages32; + }; + +in + +{ + + imports = [ + (mkRenamedOptionModule [ "services" "xserver" "vaapiDrivers" ] [ "hardware" "opengl" "extraPackages" ]) + (mkRemovedOptionModule [ "hardware" "opengl" "s3tcSupport" ] '' + S3TC support is now always enabled in Mesa. + '') + ]; + + options = { + + hardware.opengl = { + enable = mkOption { + description = '' + Whether to enable OpenGL drivers. This is needed to enable + OpenGL support in X11 systems, as well as for Wayland compositors + like sway and Weston. It is enabled by default + by the corresponding modules, so you do not usually have to + set it yourself, only if there is no module for your wayland + compositor of choice. See services.xserver.enable and + programs.sway.enable. + ''; + type = types.bool; + default = false; + }; + + driSupport = mkOption { + type = types.bool; + default = true; + description = '' + Whether to enable accelerated OpenGL rendering through the + Direct Rendering Interface (DRI). + ''; + }; + + driSupport32Bit = mkOption { + type = types.bool; + default = false; + description = '' + On 64-bit systems, whether to support Direct Rendering for + 32-bit applications (such as Wine). This is currently only + supported for the <literal>nvidia</literal> as well as + <literal>Mesa</literal>. + ''; + }; + + package = mkOption { + type = types.package; + internal = true; + description = '' + The package that provides the OpenGL implementation. + ''; + }; + + package32 = mkOption { + type = types.package; + internal = true; + description = '' + The package that provides the 32-bit OpenGL implementation on + 64-bit systems. Used when <option>driSupport32Bit</option> is + set. + ''; + }; + + extraPackages = mkOption { + type = types.listOf types.package; + default = []; + example = literalExpression "with pkgs; [ vaapiIntel libvdpau-va-gl vaapiVdpau intel-ocl ]"; + description = '' + Additional packages to add to OpenGL drivers. This can be used + to add OpenCL drivers, VA-API/VDPAU drivers etc. + ''; + }; + + extraPackages32 = mkOption { + type = types.listOf types.package; + default = []; + example = literalExpression "with pkgs.pkgsi686Linux; [ vaapiIntel libvdpau-va-gl vaapiVdpau ]"; + description = '' + Additional packages to add to 32-bit OpenGL drivers on + 64-bit systems. Used when <option>driSupport32Bit</option> is + set. This can be used to add OpenCL drivers, VA-API/VDPAU drivers etc. + ''; + }; + + setLdLibraryPath = mkOption { + type = types.bool; + internal = true; + default = false; + description = '' + Whether the <literal>LD_LIBRARY_PATH</literal> environment variable + should be set to the locations of driver libraries. Drivers which + rely on overriding libraries should set this to true. Drivers which + support <literal>libglvnd</literal> and other dispatch libraries + instead of overriding libraries should not set this. + ''; + }; + }; + + }; + + config = mkIf cfg.enable { + + assertions = [ + { assertion = cfg.driSupport32Bit -> pkgs.stdenv.isx86_64; + message = "Option driSupport32Bit only makes sense on a 64-bit system."; + } + { assertion = cfg.driSupport32Bit -> (config.boot.kernelPackages.kernel.features.ia32Emulation or false); + message = "Option driSupport32Bit requires a kernel that supports 32bit emulation"; + } + ]; + + systemd.tmpfiles.rules = [ + "L+ /run/opengl-driver - - - - ${package}" + ( + if pkgs.stdenv.isi686 then + "L+ /run/opengl-driver-32 - - - - opengl-driver" + else if cfg.driSupport32Bit then + "L+ /run/opengl-driver-32 - - - - ${package32}" + else + "r /run/opengl-driver-32" + ) + ]; + + environment.sessionVariables.LD_LIBRARY_PATH = mkIf cfg.setLdLibraryPath + ([ "/run/opengl-driver/lib" ] ++ optional cfg.driSupport32Bit "/run/opengl-driver-32/lib"); + + hardware.opengl.package = mkDefault pkgs.mesa.drivers; + hardware.opengl.package32 = mkDefault pkgs.pkgsi686Linux.mesa.drivers; + + boot.extraModulePackages = optional (elem "virtualbox" videoDrivers) kernelPackages.virtualboxGuestAdditions; + }; +} |