From cbdf166f986879046582e18fe87970a23e3acb2a Mon Sep 17 00:00:00 2001
From: Niklas Korz <niklas@niklaskorz.de>
Date: Sun, 30 Jun 2024 18:23:56 +0200
Subject: [PATCH] Add NixOS shell

---
 .envrc             |  1 +
 .gitignore         |  1 +
 Cargo.toml         |  1 -
 shell.nix          | 28 ++++++++++++++++++++++++++++
 src/application.rs |  2 +-
 5 files changed, 31 insertions(+), 2 deletions(-)
 create mode 100644 .envrc
 create mode 100644 shell.nix

diff --git a/.envrc b/.envrc
new file mode 100644
index 0000000..65326bb
--- /dev/null
+++ b/.envrc
@@ -0,0 +1 @@
+use nix
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
index b1b12e6..283fccd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -19,3 +19,4 @@
 /public/linon.js
 
 .DS_Store
+.direnv/
diff --git a/Cargo.toml b/Cargo.toml
index 44be166..6e2cfcb 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -42,4 +42,3 @@ getrandom = { version = "0.2", features = ["js"] }
 egui = { git = "https://github.com/emilk/egui.git", rev = "ded8dbd45bc8616475c364878f6b8e2f7293d12c" }
 egui-wgpu = { git = "https://github.com/emilk/egui.git", rev = "ded8dbd45bc8616475c364878f6b8e2f7293d12c" }
 egui-winit = { git = "https://github.com/emilk/egui.git", rev = "ded8dbd45bc8616475c364878f6b8e2f7293d12c" }
-#ac-ffmpeg = { path = "../../rust-ac-ffmpeg" }
diff --git a/shell.nix b/shell.nix
new file mode 100644
index 0000000..b82b2ac
--- /dev/null
+++ b/shell.nix
@@ -0,0 +1,28 @@
+# Based on https://github.com/gfx-rs/wgpu/blob/trunk/shell.nix
+
+{ pkgs ? import <nixpkgs> { } }:
+
+pkgs.mkShell rec {
+  buildInputs = with pkgs; [
+    libxkbcommon
+    wayland
+    xorg.libX11
+    xorg.libXcursor
+    xorg.libXrandr
+    xorg.libXi
+    pkg-config
+    cmake
+
+    libGL
+    vulkan-headers
+    vulkan-loader
+    vulkan-tools
+    vulkan-tools-lunarg
+    vulkan-extension-layer
+    vulkan-validation-layers
+  ];
+
+  shellHook = ''
+    export LD_LIBRARY_PATH="$LD_LIBRARY_PATH:${builtins.toString (pkgs.lib.makeLibraryPath buildInputs)}";
+  '';
+}
diff --git a/src/application.rs b/src/application.rs
index b40da8c..7666de2 100644
--- a/src/application.rs
+++ b/src/application.rs
@@ -59,7 +59,7 @@ impl<'a> Application<'a> {
     pub async fn new(window: &'a Window) -> Result<Self> {
         let size = window.inner_size();
         let instance = wgpu::Instance::new(wgpu::InstanceDescriptor {
-            backends: wgpu::Backends::PRIMARY,
+            backends: wgpu::Backends::all(),
             ..Default::default()
         });
         let surface = instance.create_surface(window)?;