Add NixOS shell

.envrc

@@ -0,0 +1 @@
+use nix

.gitignore

@@ -19,3 +19,4 @@
 /public/linon.js
 
 .DS_Store
+.direnv/

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" }

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)}";
+  '';
+}

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)?;