From 2c3f56c582e24b96e90966c468786cbf7e435652 Mon Sep 17 00:00:00 2001
From: Jordan Holt <jordan@vimium.com>
Date: Fri, 15 Aug 2025 10:02:35 +0100
Subject: [PATCH] vk-hdr-layer: init

---
 hosts/odyssey/hardware-configuration.nix |  3 ++
 pkgs/vk-hdr-layer/package.nix            | 44 ++++++++++++++++++++++++
 2 files changed, 47 insertions(+)
 create mode 100644 pkgs/vk-hdr-layer/package.nix

diff --git a/hosts/odyssey/hardware-configuration.nix b/hosts/odyssey/hardware-configuration.nix
index 9e94ea4..9dac7ad 100644
--- a/hosts/odyssey/hardware-configuration.nix
+++ b/hosts/odyssey/hardware-configuration.nix
@@ -34,6 +34,9 @@
       powerOnBoot = true;
     };
     cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+    graphics = {
+      extraPackages = [ pkgs.vk-hdr-layer ];
+    };
     nvidia = {
       modesetting.enable = true;
       open = true;
diff --git a/pkgs/vk-hdr-layer/package.nix b/pkgs/vk-hdr-layer/package.nix
new file mode 100644
index 0000000..8018568
--- /dev/null
+++ b/pkgs/vk-hdr-layer/package.nix
@@ -0,0 +1,44 @@
+{
+  stdenv,
+  fetchFromGitHub,
+  lib,
+  meson,
+  ninja,
+  pkg-config,
+  vulkan-headers,
+  vulkan-loader,
+  wayland-scanner,
+  wayland,
+  xorg,
+}:
+stdenv.mkDerivation (finalAttrs: {
+  pname = "vk-hdr-layer";
+  version = "303e0c69e1d33acd95158d92b1fc652fb5b85399";
+
+  src = fetchFromGitHub {
+    owner = "Zamundaaa";
+    repo = "VK_hdr_layer";
+    rev = "303e0c69e1d33acd95158d92b1fc652fb5b85399";
+    fetchSubmodules = true;
+    hash = "sha256-NsC44Ifl/fAHvFqP7NLrVZ71Y+x5mBEkv+r43HN5yn4=";
+  };
+
+  nativeBuildInputs = [
+    meson
+    ninja
+    pkg-config
+  ];
+  buildInputs = [
+    vulkan-headers
+    vulkan-loader
+    wayland
+    wayland-scanner
+    xorg.libX11
+  ];
+
+  meta = {
+    description = "Vulkan layer utilizing a small color management / HDR protocol for experimentation";
+    homepage = "https://github.com/Zamundaaa/VK_hdr_layer";
+    license = lib.licenses.mit;
+  };
+})