dotfiles/nixos/boxes/foureighty/nvidia.nix

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{ pkgs, ... }:
let
nvidia-offload = pkgs.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 -a "$0" "$@"
'';
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whichgpu = pkgs.writeShellScriptBin "whichgpu" ''glxinfo | grep vendor'';
nvidiaon = pkgs.writeShellScriptBin "nvidiaon" ''
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;
glxinfo | grep vendor; echo OK!;
'';
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in
{
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environment.systemPackages = [ nvidia-offload whichgpu nvidiaon ];
hardware.opengl.enable = true;
hardware.opengl.driSupport32Bit = true;
hardware.opengl.extraPackages32 = with pkgs.pkgsi686Linux; [ libva ];
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services.xserver.videoDrivers = [ "nvidia" ];
hardware.nvidia.prime = {
offload.enable = true;
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# Bus ID of the Intel GPU. You can find it using lspci, either under 3D or VGA
intelBusId = "PCI:0:2:0";
# Bus ID of the NVIDIA GPU. You can find it using lspci, either under 3D or VGA
nvidiaBusId = "PCI:1:0:0";
};
}