From 8479c55bdef61e6ad2d1c194e66dc0a9ccddaa23 Mon Sep 17 00:00:00 2001
From: Sefa Eyeoglu <contact@scrumplex.net>
Date: Fri, 15 Sep 2023 19:16:39 +0200
Subject: [PATCH] gamescope: split vulkan layer into lib output

Signed-off-by: Sefa Eyeoglu <contact@scrumplex.net>
---
 pkgs/applications/window-managers/gamescope/default.nix | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/pkgs/applications/window-managers/gamescope/default.nix b/pkgs/applications/window-managers/gamescope/default.nix
index f94ee4eb2a22..e9edd10b2539 100644
--- a/pkgs/applications/window-managers/gamescope/default.nix
+++ b/pkgs/applications/window-managers/gamescope/default.nix
@@ -106,6 +106,8 @@ stdenv.mkDerivation {
     libdisplay-info
   ];
 
+  outputs = [ "out" "lib" ];
+
   postUnpack = ''
     rm -rf source/subprojects/vkroots
     ln -s ${vkroots} source/subprojects/vkroots
@@ -114,7 +116,12 @@ stdenv.mkDerivation {
   # --debug-layers flag expects these in the path
   postInstall = ''
     wrapProgram "$out/bin/gamescope" \
-     --prefix PATH : ${with xorg; lib.makeBinPath [xprop xwininfo]}
+      --prefix PATH : ${with xorg; lib.makeBinPath [xprop xwininfo]}
+
+    # Install Vulkan layer in lib output
+    install -d $lib/share/vulkan
+    mv $out/share/vulkan/implicit_layer.d $lib/share/vulkan
+    rm -r $out/share/vulkan
   '';
 
   meta = with lib; {