config/hardware/gpu/cuda.nix
2023-12-03 20:54:58 +01:00

103 lines
3.7 KiB
Nix

{ config, pkgs, lib, ... }:
{
# assumes common-gpu-nvidia from nixos-hardware is also added
# TODO: should we move it from flake.nix to here?
# https://nixos.wiki/wiki/Nvidia
#https://nixpk.gs/pr-tracker.html?pr=235481
#nixpkgs.config.cudaSupport = true; # TODO: TOO SLOW, BREAKS
#nixpkgs.config.nvidiaSupport = true; # TODO: slow? used only by zenith
nixpkgs.config.allowUnfreePredicate = pkg: lib.any (x: x) [
(lib.hasInfix "nvidia" (lib.toLower (lib.getName pkg)))
(lib.hasInfix "cuda" (lib.toLower (lib.getName pkg)))
(lib.hasInfix "cudnn" (lib.toLower (lib.getName pkg)))
(lib.hasInfix "cublas" (lib.toLower (lib.getName pkg)))
];
hardware.opengl.enable = true;
hardware.opengl.driSupport = true;
hardware.opengl.driSupport32Bit = true;
hardware.opengl.extraPackages = with pkgs; [
#vaapiVdpau
#libvdpau-va-gl
nvidia-vaapi-driver
];
hardware.nvidia.modesetting.enable = lib.mkDefault true; # needed for most wayland compositors
hardware.nvidia.nvidiaSettings = lib.mkDefault true;
#hardware.nvidia.open = lib.mkDefault true; # open source version of kernel module, only on driver 515.43.04+
#hardware.nvidia.package = lib.mkDefault config.boot.kernelPackages.nvidiaPackages.latest; # only do this per-host
hardware.nvidia.powerManagement.enable = lib.mkDefault true; # Fix graphical corruption on suspend/resume
virtualisation.docker.enableNvidia = lib.mkDefault true;
virtualisation.podman.enableNvidia = lib.mkDefault true;
# add this to the host in question:
#hardware.nvidia.prime = {
# offload.enable = true;
# # Bus IDs. You can find them using lspci, grepping for "3D" or "VGA"
# intelBusId = "PCI:0:2:0";
# nvidiaBusId = "PCI:1:0:0";
#};
environment.systemPackages = with pkgs; ([
nvtop-nvidia
] ++ lib.optionals config.hardware.nvidia.prime.offload.enable [
(writeShellScriptBin "prime-run" ''
export __NV_PRIME_RENDER_OFFLOAD=1
export __NV_PRIME_RENDER_OFFLOAD_PROVIDER=NVIDIA-G0
export __GLX_VENDOR_LIBRARY_NAME=nvidia
export __VK_LAYER_NV_optimus=NVIDIA_only
exec "$@"
'')
# already added by nixos-hardware.common-gpu-nvidia
#(writeShellScriptBin "nvidia-offload" ''
# export __NV_PRIME_RENDER_OFFLOAD=1
# export __NV_PRIME_RENDER_OFFLOAD_PROVIDER=NVIDIA-G0
# export __GLX_VENDOR_LIBRARY_NAME=nvidia
# export __VK_LAYER_NV_optimus=NVIDIA_only
# exec "$@"
#'')
]);
# nvidia bad
nixpkgs.config.packageOverrides = (pkgs: {
teams = pkgs.teams.overrideAttrs (old: rec {
postInstall = (old.postInstall or "") + ''
substituteInPlace $out/share/applications/teams.desktop \
--replace 'Exec=teams' 'Exec=teams --use-gl=desktop'
'';
# --replace 'Exec=teams' 'Exec=teams --disable-gpu'
});
discord = pkgs.discord.overrideAttrs (old: rec {
desktopItem = old.desktopItem.override (old: {
#exec = "env NIXOS_OZONE_WL=1 ${old.exec}";
exec = "${old.exec} --use-gl=desktop";
});
postInstall = ''
ln -sf "${desktopItem}/share/applications" $out/share/
'' + old.postInstall;
});
slack = pkgs.slack.overrideAttrs (old: {
postInstall = old.postInstall or "" + ''
substituteInPlace $out/share/applications/slack.desktop \
--replace "$out/bin/slack " "$out/bin/slack --use-gl=desktop "
'';
# --replace "$out/bin/slack " "$out/bin/slack --disable-gpu --in-process-gpu "
});
element-desktop = pkgs.element-desktop.overrideAttrs (old: {
desktopItem = old.desktopItem.override (old: {
#exec = "env NIXOS_OZONE_WL=1 element-desktop %u";
#exec = "element-desktop --disable-gpu --in-process-gpu %u";
exec = "element-desktop --use-gl=desktop %u";
});
});
});
}