140 lines
4.9 KiB
Nix
140 lines
4.9 KiB
Nix
# The bumblebee package allows a program to be rendered on an
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# dedicated video card by spawning an additional X11 server and
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# streaming the results via VirtualGL or primus to the primary server.
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# The package is rather chaotic; it's also quite recent.
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# As it may change a lot, some of the hacks in this nix expression
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# will hopefully not be needed in the future anymore.
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# To test:
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# 1. make sure that the 'bbswitch' kernel module is installed,
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# 2. then run 'bumblebeed' as root
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# 3. Then either 'optirun glxinfo' or 'primusrun glxinfo' as user.
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#
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# The glxinfo output should indicate the NVidia driver is being used
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# and all expected extensions are supported.
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#
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# To use at startup, see hardware.bumblebee options.
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{ stdenv, lib, fetchurl, pkgconfig, help2man, makeWrapper
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, glib, libbsd
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, libX11, libXext, xorgserver, xkbcomp, module_init_tools, xkeyboard_config, xf86videonouveau
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, nvidia_x11, virtualgl, primusLib
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# The below should only be non-null in a x86_64 system. On a i686
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# system the above nvidia_x11 and virtualgl will be the i686 packages.
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# TODO: Confusing. Perhaps use "SubArch" instead of i686?
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, nvidia_x11_i686 ? null
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, primusLib_i686 ? null
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, useDisplayDevice ? false
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, extraNvidiaDeviceOptions ? ""
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, extraNouveauDeviceOptions ? ""
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, useNvidia ? true
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}:
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let
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version = "3.2.1";
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primus = if useNvidia then primusLib else primusLib.override { nvidia_x11 = null; };
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primus_i686 = if useNvidia then primusLib_i686 else primusLib_i686.override { nvidia_x11 = null; };
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primusLibs = lib.makeLibraryPath ([primus] ++ lib.optional (primusLib_i686 != null) primus_i686);
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nvidia_x11s = [nvidia_x11] ++ lib.optional (nvidia_x11_i686 != null) nvidia_x11_i686;
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nvidiaLibs = lib.makeLibraryPath nvidia_x11s;
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bbdPath = lib.makeSearchPath "bin" [ module_init_tools xorgserver ];
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bbdLibs = lib.makeLibraryPath [ libX11 libXext ];
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xmodules = lib.concatStringsSep "," (map (x: "${x}/lib/xorg/modules") ([ xorgserver ] ++ lib.optional (!useNvidia) xf86videonouveau));
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in stdenv.mkDerivation rec {
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name = "bumblebee-${version}";
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src = fetchurl {
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url = "http://bumblebee-project.org/${name}.tar.gz";
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sha256 = "03p3gvx99lwlavznrpg9l7jnl1yfg2adcj8jcjj0gxp20wxp060h";
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};
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patches = [ ./nixos.patch ];
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# By default we don't want to use a display device
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nvidiaDeviceOptions = lib.optionalString (!useDisplayDevice) ''
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# Disable display device
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Option "UseEDID" "false"
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Option "UseDisplayDevice" "none"
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'' + extraNvidiaDeviceOptions;
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nouveauDeviceOptions = extraNouveauDeviceOptions;
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# the have() function is deprecated and not available to bash completions the
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# way they are currently loaded in NixOS, so use _have. See #10936
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patchPhase = ''
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substituteInPlace scripts/bash_completion/bumblebee \
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--replace "have optirun" "_have optirun"
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'';
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preConfigure = ''
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# Substitute the path to the actual modinfo program in module.c.
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# Note: module.c also calls rmmod and modprobe, but those just have to
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# be in PATH, and thus no action for them is required.
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substituteInPlace src/module.c \
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--replace "/sbin/modinfo" "${module_init_tools}/sbin/modinfo"
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# Don't use a special group, just reuse wheel.
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substituteInPlace configure \
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--replace 'CONF_GID="bumblebee"' 'CONF_GID="wheel"'
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# Apply configuration options
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substituteInPlace conf/xorg.conf.nvidia \
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--subst-var nvidiaDeviceOptions
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substituteInPlace conf/xorg.conf.nouveau \
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--subst-var nouveauDeviceOptions
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'';
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# Build-time dependencies of bumblebeed and optirun.
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# Note that it has several runtime dependencies.
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buildInputs = [ libX11 glib libbsd ];
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nativeBuildInputs = [ makeWrapper pkgconfig help2man ];
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# The order of LDPATH is very specific: First X11 then the host
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# environment then the optional sub architecture paths.
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#
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# The order for MODPATH is the opposite: First the environment that
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# includes the acceleration driver. As this is used for the X11
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# server, which runs under the host architecture, this does not
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# include the sub architecture components.
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configureFlags = [
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"--with-udev-rules=$out/lib/udev/rules.d"
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# see #10282
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#"CONF_PRIMUS_LD_PATH=${primusLibs}"
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] ++ lib.optionals useNvidia [
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"CONF_LDPATH_NVIDIA=${nvidiaLibs}"
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"CONF_MODPATH_NVIDIA=${nvidia_x11}/lib/xorg/modules"
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];
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CFLAGS = [
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"-DX_MODULE_APPENDS=\\\"${xmodules}\\\""
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"-DX_XKB_DIR=\\\"${xkeyboard_config}/etc/X11/xkb\\\""
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];
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postInstall = ''
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wrapProgram "$out/sbin/bumblebeed" \
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--set XKB_BINDIR "${xkbcomp}/bin" \
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--prefix PATH : "${bbdPath}" \
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--prefix LD_LIBRARY_PATH : "${bbdLibs}"
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wrapProgram "$out/bin/optirun" \
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--prefix PATH : "${virtualgl}/bin"
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'';
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meta = with stdenv.lib; {
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homepage = http://github.com/Bumblebee-Project/Bumblebee;
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description = "Daemon for managing Optimus videocards (power-on/off, spawns xservers)";
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platforms = platforms.linux;
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license = licenses.gpl3;
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maintainers = with maintainers; [ abbradar ];
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};
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}
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