intel-oclcpuexp: init

nix/pkgs/default.nix

@@ -76,4 +76,5 @@
   libsolv-py = pkgs.callPackage ./libsolv-py.nix { };
 
   tailscale = import ./tailscale pkgs.tailscale;
+  intel-oclcpuexp = pkgs.callPackage ./intel-oclcpuexp { };
 } // (import ./heptapod-runner args)

nix/pkgs/intel-oclcpuexp/default.nix

@@ -0,0 +1,33 @@
+{ stdenv
+, fetchurl
+, tbb_2021_8
+, zlib
+, autoPatchelfHook
+, ... }:
+
+stdenv.mkDerivation rec {
+  pname = "intel-oclcpuexp";
+  version = "2023.15.3.0.20";
+
+  src = fetchurl {
+    url = "https://github.com/intel/llvm/releases/download/2023-WW13/oclcpuexp-2023.15.3.0.20_rel.tar.gz";
+    sha256 = "sha256:1mib1zm0hf8sgznsbmv9i84g7m17064abgkh50s3rp2fl66j5iwl";
+  };
+
+  buildInputs = [
+    tbb_2021_8
+    zlib
+    autoPatchelfHook
+  ];
+
+  doBuild = false;
+  doCheck = false;
+
+  installPhase = ''
+    install -d -m0755 $out/lib
+    cp * $out/lib
+
+    install -d -m0755 $out/etc/OpenCL/vendors
+    echo $out/lib/libintelocl.so > $out/etc/OpenCL/vendors/${pname}.icd
+  '';
+}

ops/nixos/porcorosso/default.nix

@@ -180,7 +180,8 @@ in {
     services.xserver.videoDrivers = lib.mkForce [ "intel" ];
     hardware.nvidia.modesetting.enable = lib.mkForce false;
     hardware.nvidia.prime.offload.enable = lib.mkForce false;
-    boot.initrd.kernelModules = lib.mkForce [];
+    hardware.nvidia.prime.sync.enable = lib.mkForce false;
+    boot.initrd.kernelModules = lib.mkForce [ "zfs" "spl" "dm_mod" ];
   };
   services.xserver.displayManager.gdm = {
     enable = true;
@@ -199,6 +200,8 @@ in {
   hardware.opengl.driSupport32Bit = true;
   hardware.opengl.extraPackages = with pkgs; [
     intel-media-driver libva
+    # intel-compute-runtime  # intel gpu
+    depot.nix.pkgs.intel-oclcpuexp
   ];
   hardware.opengl.extraPackages32 = with pkgs.pkgsi686Linux; [ libva ];
   hardware.acpilight.enable = true;