From 23a09904deaf9e57c8b7d0eeb7cf358abca69386 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonathan=20M=C3=BCller?= <jo-m@outlook.com>
Date: Thu, 10 Oct 2024 21:08:00 +0200
Subject: [PATCH] add flake for vulkan dev (host)

---
 .envrc     |  1 +
 .gitignore |  1 +
 flake.lock | 27 +++++++++++++++++++++++++++
 flake.nix  | 54 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 83 insertions(+)
 create mode 100644 .envrc
 create mode 100644 flake.lock
 create mode 100644 flake.nix

diff --git a/.envrc b/.envrc
new file mode 100644
index 00000000..3550a30f
--- /dev/null
+++ b/.envrc
@@ -0,0 +1 @@
+use flake
diff --git a/.gitignore b/.gitignore
index 96121ef3..31ff9247 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,6 +3,7 @@
 /build/
 /prof-*.gz
 /env
+/.direnv
 
 /internal/pkg/stitch/*.jpg
 /internal/pkg/stitch/*.MISSING
diff --git a/flake.lock b/flake.lock
new file mode 100644
index 00000000..b86cf5ba
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,27 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1728500571,
+        "narHash": "sha256-dOymOQ3AfNI4Z337yEwHGohrVQb4yPODCW9MDUyAc4w=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "d51c28603def282a24fa034bcb007e2bcb5b5dd0",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-24.05",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 00000000..2c2f9b42
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,54 @@
+{
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.05";
+  };
+
+  outputs = {
+    self,
+    nixpkgs,
+  } @ inputs: let
+    lib = nixpkgs.lib;
+    system = "x86_64-linux";
+    pkgs = import inputs.nixpkgs {
+      system = system;
+    };
+  in {
+    formatter.${system} = nixpkgs.legacyPackages.${system}.alejandra;
+
+    devShells.${system}.default = pkgs.mkShell rec {
+      nativeBuildInputs = with pkgs; [];
+      packages = with pkgs; [];
+
+      buildInputs = with pkgs; [
+        # Build tools
+        gcc
+        pkg-config
+        clang-tools
+        gnumake
+        curl
+        go
+
+        # Cross
+        pkgsCross.aarch64-multiplatform.buildPackages.gcc # Provides aarch64-unknown-linux-gnu-gcc
+
+        # Vulkan bare tools and depencencies
+        glslang
+        vulkan-headers
+        vulkan-loader
+        vulkan-validation-layers
+
+        # More Vulkan tools
+        vulkan-extension-layer
+        vulkan-tools
+        vulkan-tools-lunarg
+        vulkan-volk
+      ];
+
+      LD_LIBRARY_PATH = "${lib.makeLibraryPath buildInputs}";
+      VK_LAYER_PATH = "${pkgs.vulkan-validation-layers}/share/vulkan/explicit_layer.d";
+      VULKAN_SDK = "${pkgs.vulkan-validation-layers}/share/vulkan/explicit_layer.d";
+      XDG_DATA_DIRS = builtins.getEnv "XDG_DATA_DIRS";
+      XDG_RUNTIME_DIR = "/run/user/1000";
+    };
+  };
+}