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# The bumblebee package allows a program to be rendered on an
# dedicated video card by spawning an additional X11 server and
# streaming the results via VirtualGL or primus to the primary server.
# The package is rather chaotic; it's also quite recent.
# As it may change a lot, some of the hacks in this nix expression
# will hopefully not be needed in the future anymore.
# To test:
# 1. make sure that the 'bbswitch' kernel module is installed,
# 2. then run 'bumblebeed' as root
# 3. Then either 'optirun glxinfo' or 'primusrun glxinfo' as user.
#
# The glxinfo output should indicate the NVidia driver is being used
# and all expected extensions are supported.
#
# To use at startup, see hardware.bumblebee options.
{ stdenv, lib, fetchurl, fetchpatch, pkg-config, help2man, makeWrapper
, glib, libbsd
, libX11, xorgserver, kmod, xf86videonouveau
, nvidia_x11, virtualgl, libglvnd
, automake111x, autoconf
# The below should only be non-null in a x86_64 system. On a i686
# system the above nvidia_x11 and virtualgl will be the i686 packages.
# TODO: Confusing. Perhaps use "SubArch" instead of i686?
, nvidia_x11_i686 ? null
, libglvnd_i686 ? null
, useDisplayDevice ? false
, extraNvidiaDeviceOptions ? ""
, extraNouveauDeviceOptions ? ""
, useNvidia ? true
}:
let
version = "3.2.1";
nvidia_x11s = [ nvidia_x11 ]
++ lib.optional nvidia_x11.useGLVND libglvnd
++ lib.optionals (nvidia_x11_i686 != null)
([ nvidia_x11_i686 ] ++ lib.optional nvidia_x11_i686.useGLVND libglvnd_i686);
nvidiaLibs = lib.makeLibraryPath nvidia_x11s;
bbdPath = lib.makeBinPath [ kmod xorgserver ];
xmodules = lib.concatStringsSep "," (map (x: "${x.out or x}/lib/xorg/modules") ([ xorgserver ] ++ lib.optional (!useNvidia) xf86videonouveau));
modprobePatch = fetchpatch {
url = "https://github.com/Bumblebee-Project/Bumblebee/commit/1ada79fe5916961fc4e4917f8c63bb184908d986.patch";
sha256 = "02vq3vba6nx7gglpjdfchws9vjhs1x02a543yvqrxqpvvdfim2x2";
};
libkmodPatch = fetchpatch {
url = "https://github.com/Bumblebee-Project/Bumblebee/commit/deceb14cdf2c90ff64ebd1010a674305464587da.patch";
sha256 = "00c05i5lxz7vdbv445ncxac490vbl5g9w3vy3gd71qw1f0si8vwh";
};
in stdenv.mkDerivation rec {
pname = "bumblebee";
inherit version;
src = fetchurl {
url = "https://bumblebee-project.org/${pname}-${version}.tar.gz";
sha256 = "03p3gvx99lwlavznrpg9l7jnl1yfg2adcj8jcjj0gxp20wxp060h";
};
patches = [
./nixos.patch
modprobePatch
libkmodPatch
];
# By default we don't want to use a display device
nvidiaDeviceOptions = lib.optionalString (!useDisplayDevice) ''
# Disable display device
Option "UseEDID" "false"
Option "UseDisplayDevice" "none"
'' + extraNvidiaDeviceOptions;
nouveauDeviceOptions = extraNouveauDeviceOptions;
# the have() function is deprecated and not available to bash completions the
# way they are currently loaded in NixOS, so use _have. See #10936
postPatch = ''
substituteInPlace scripts/bash_completion/bumblebee \
--replace "have optirun" "_have optirun"
'';
preConfigure = ''
# Don't use a special group, just reuse wheel.
substituteInPlace configure \
--replace 'CONF_GID="bumblebee"' 'CONF_GID="wheel"'
# Apply configuration options
substituteInPlace conf/xorg.conf.nvidia \
--subst-var nvidiaDeviceOptions
substituteInPlace conf/xorg.conf.nouveau \
--subst-var nouveauDeviceOptions
'';
# Build-time dependencies of bumblebeed and optirun.
# Note that it has several runtime dependencies.
buildInputs = [ libX11 glib libbsd kmod ];
nativeBuildInputs = [ makeWrapper pkg-config help2man automake111x autoconf ];
# The order of LDPATH is very specific: First X11 then the host
# environment then the optional sub architecture paths.
#
# The order for MODPATH is the opposite: First the environment that
# includes the acceleration driver. As this is used for the X11
# server, which runs under the host architecture, this does not
# include the sub architecture components.
configureFlags = [
"--with-udev-rules=$out/lib/udev/rules.d"
# see #10282
#"CONF_PRIMUS_LD_PATH=${primusLibs}"
] ++ lib.optionals useNvidia [
"CONF_LDPATH_NVIDIA=${nvidiaLibs}"
"CONF_MODPATH_NVIDIA=${nvidia_x11.bin}/lib/xorg/modules"
];
CFLAGS = [
"-DX_MODULE_APPENDS=\\\"${xmodules}\\\""
];
postInstall = ''
wrapProgram "$out/sbin/bumblebeed" \
--prefix PATH : "${bbdPath}"
wrapProgram "$out/bin/optirun" \
--prefix PATH : "${virtualgl}/bin"
'';
meta = with lib; {
homepage = "https://github.com/Bumblebee-Project/Bumblebee";
description = "Daemon for managing Optimus videocards (power-on/off, spawns xservers)";
platforms = platforms.linux;
license = licenses.gpl3;
maintainers = with maintainers; [ abbradar ];
};
}
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