feat(blender): build 5.2 LTS with CUDA and OptiX

flake.lock

@@ -24,28 +24,6 @@
         "type": "github"
       }
     },
-    "blender-bin": {
-      "inputs": {
-        "nixpkgs": [
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "dir": "blender",
-        "lastModified": 1766785730,
-        "narHash": "sha256-R0SImlpvVtp4gBCjWtrjyWlir2vMEs03XdVBJtsryUU=",
-        "owner": "edolstra",
-        "repo": "nix-warez",
-        "rev": "32a73188c4026cea3f8ed97078ace45bf9f7f578",
-        "type": "github"
-      },
-      "original": {
-        "dir": "blender",
-        "owner": "edolstra",
-        "repo": "nix-warez",
-        "type": "github"
-      }
-    },
     "bun2nix": {
       "inputs": {
         "flake-parts": [
@@ -675,6 +653,22 @@
         "type": "github"
       }
     },
+    "nixpkgs-blender": {
+      "locked": {
+        "lastModified": 1784871293,
+        "narHash": "sha256-bf8Gay/Vopie4kGiw1qg1PQBKL4MNU7Li9ThI80JE1c=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "596a0d7dc02bb847b5f4cb44a20a15ff12275bb3",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "master",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "nixpkgs-darwin": {
       "locked": {
         "lastModified": 1780030872,
@@ -892,7 +886,6 @@
     "root": {
       "inputs": {
         "agenix": "agenix",
-        "blender-bin": "blender-bin",
         "catppuccin": "catppuccin",
         "disko": "disko",
         "haumea": "haumea",
@@ -907,6 +900,7 @@
         "nixpak": "nixpak",
         "nixpkgs": "nixpkgs_2",
         "nixpkgs-2505": "nixpkgs-2505",
+        "nixpkgs-blender": "nixpkgs-blender",
         "nixpkgs-darwin": "nixpkgs-darwin",
         "nixpkgs-master": "nixpkgs-master",
         "nixpkgs-patched": "nixpkgs-patched",

flake.nix

@@ -119,10 +119,8 @@
       inputs.nixpkgs.follows = "nixpkgs";
     };
 
-    blender-bin = {
-      url = "github:edolstra/nix-warez?dir=blender";
-      inputs.nixpkgs.follows = "nixpkgs";
-    };
+    # Track Blender from master while keeping its lock entry independent from regular nixpkgs.
+    nixpkgs-blender.url = "github:nixos/nixpkgs/master";
 
     nixos-apple-silicon = {
       url = "github:nix-community/nixos-apple-silicon";

home/linux/gui/base/creative.nix

@@ -3,7 +3,7 @@
   pkgs,
   pkgs-stable,
   pkgs-master,
-  blender-bin,
+  pkgs-blender,
   ...
 }:
 {
@@ -17,6 +17,7 @@
       musescore # music notation
       pkgs-master.orca-slicer # 3d printer slicer app
       pkgs-master.bambu-studio # bambu 3d printer slicer app
+      pkgs-blender.blender # 3d modeling
       # reaper # audio production
       # sonic-pi # music programming
 
@@ -37,9 +38,6 @@
       hyphenDicts.en_GB # British English
     ]
     ++ (lib.optionals pkgs.stdenv.isx86_64 [
-      # https://github.com/edolstra/nix-warez/blob/master/blender/flake.nix
-      blender-bin.packages.${pkgs.stdenv.hostPlatform.system}.blender_4_2 # 3d modeling
-
       ldtk # A modern, versatile 2D level editor
 
       # fpga

outputs/default.nix

@@ -13,9 +13,15 @@ let
   # so that I can use them in all my nixos/home-manager/darwin modules.
   genSpecialArgs =
     system:
+    let
+      pkgs-stable = import inputs.nixpkgs-stable {
+        inherit system;
+        config.allowUnfree = true;
+      };
+    in
     inputs
     // {
-      inherit mylib myvars;
+      inherit mylib myvars pkgs-stable;
 
       # use unstable branch for some packages to get the latest updates
       # pkgs-unstable = import inputs.nixpkgs-unstable {
@@ -28,11 +34,6 @@ let
         # To use chrome, we need to allow the installation of non-free software
         config.allowUnfree = true;
       };
-      pkgs-stable = import inputs.nixpkgs-stable {
-        inherit system;
-        # To use chrome, we need to allow the installation of non-free software
-        config.allowUnfree = true;
-      };
       pkgs-patched = import inputs.nixpkgs-patched {
         inherit system;
         # to use chrome, we need to allow the installation of non-free software
@@ -43,6 +44,23 @@ let
         # to use chrome, we need to allow the installation of non-free software
         config.allowUnfree = true;
       };
+      pkgs-blender = import inputs.nixpkgs-blender {
+        inherit system;
+        config = lib.optionalAttrs (system == "x86_64-linux") {
+          allowUnfree = true;
+          cudaSupport = true;
+          # CUDA compute capability 8.9 targets the RTX 4090 (Ada) and avoids building kernels
+          # for unrelated GPU architectures.
+          cudaCapabilities = [ "8.9" ];
+        };
+        overlays = lib.optional (system == "x86_64-linux") (
+          _: prev: {
+            # CMake 4.2+ breaks OIDN's nested CUDA build with nixpkgs' split CUDAToolkit_ROOT.
+            # https://github.com/NixOS/nixpkgs/issues/544701
+            openimagedenoise = prev.openimagedenoise.override { cmake = pkgs-stable.cmake; };
+          }
+        );
+      };
 
       pkgs-x64 = import nixpkgs {
         system = "x86_64-linux";