From a0a49ea3b15fa7fd06c4501b9a4000aeeb0b1dc3 Mon Sep 17 00:00:00 2001
From: K900 <me@0upti.me>
Date: Wed, 30 Jul 2025 09:29:57 +0300
Subject: [PATCH 1/2] gamescope: use pending upstream patch for unvendoring

---
 pkgs/by-name/ga/gamescope/package.nix | 19 +++++++------------
 1 file changed, 7 insertions(+), 12 deletions(-)

diff --git a/pkgs/by-name/ga/gamescope/package.nix b/pkgs/by-name/ga/gamescope/package.nix
index 183fc3345bd0..dbf31559e10d 100644
--- a/pkgs/by-name/ga/gamescope/package.nix
+++ b/pkgs/by-name/ga/gamescope/package.nix
@@ -65,17 +65,11 @@ stdenv.mkDerivation (finalAttrs: {
     # patch relative gamescopereaper path with absolute
     ./gamescopereaper.patch
 
-    # Revert change to always use vendored stb/glm libraries
-    # Upstream discussion: https://github.com/ValveSoftware/gamescope/pull/1751
+    # Pending upstream patch to allow using system libraries
+    # See: https://github.com/ValveSoftware/gamescope/pull/1846
     (fetchpatch {
-      url = "https://github.com/ValveSoftware/gamescope/commit/baae74c4b13676fa76a8b200f21ac78f55079734.patch";
-      revert = true;
-      hash = "sha256-XpbyLQ4R9KgBR3hlrgPzmM7Zxr2jm4Q10zGjyhh/Qxw=";
-    })
-    (fetchpatch {
-      url = "https://github.com/ValveSoftware/gamescope/commit/72bae179ba2ebbbc91ed07c7f66e7e4964a4cd9e.patch";
-      revert = true;
-      hash = "sha256-aglfGvEuycNyPlaFYxqqvPAgFpWns3xZ3B2GiAefxtg=";
+      url = "https://github.com/ValveSoftware/gamescope/commit/4ce1a91fb219f570b0871071a2ec8ac97d90c0bc.diff";
+      hash = "sha256-O358ScIIndfkc1S0A8g2jKvFWoCzcXB/g6lRJamqOI4=";
     })
   ];
 
@@ -95,6 +89,9 @@ stdenv.mkDerivation (finalAttrs: {
   mesonFlags = [
     (lib.mesonBool "enable_gamescope" enableExecutable)
     (lib.mesonBool "enable_gamescope_wsi_layer" enableWsi)
+
+    (lib.mesonOption "glm_include_dir" "${lib.getInclude glm}/include")
+    (lib.mesonOption "stb_include_dir" "${lib.getInclude stb}/include/stb")
   ];
 
   # don't install vendored vkroots etc
@@ -133,7 +130,6 @@ stdenv.mkDerivation (finalAttrs: {
     wayland
     wayland-protocols
     vulkan-loader
-    glm
     luajit
   ]
   ++ lib.optionals enableWsi [
@@ -163,7 +159,6 @@ stdenv.mkDerivation (finalAttrs: {
       gbenchmark
       pixman
       libcap
-      stb
       lcms
     ]
   );

From 207a3e468b6e1014711f0b34fddf68d162d81426 Mon Sep 17 00:00:00 2001
From: K900 <me@0upti.me>
Date: Wed, 30 Jul 2025 09:30:10 +0300
Subject: [PATCH 2/2] gamescope: correct executable only deps

This significantly shrinks the build closure of gamescope-wsi on i686.
---
 pkgs/by-name/ga/gamescope/package.nix | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/pkgs/by-name/ga/gamescope/package.nix b/pkgs/by-name/ga/gamescope/package.nix
index dbf31559e10d..3fbe1a1744a7 100644
--- a/pkgs/by-name/ga/gamescope/package.nix
+++ b/pkgs/by-name/ga/gamescope/package.nix
@@ -108,10 +108,7 @@ stdenv.mkDerivation (finalAttrs: {
     pkg-config
     ninja
     wayland-scanner
-    # For `libdisplay-info`
-    python3
-    hwdata
-    v4l-utils
+
     # For OpenVR
     cmake
 
@@ -121,6 +118,11 @@ stdenv.mkDerivation (finalAttrs: {
   ++ lib.optionals enableExecutable [
     makeBinaryWrapper
     glslang
+
+    # For `libdisplay-info`
+    python3
+    hwdata
+    v4l-utils
   ];
 
   buildInputs = [
@@ -130,7 +132,6 @@ stdenv.mkDerivation (finalAttrs: {
     wayland
     wayland-protocols
     vulkan-loader
-    luajit
   ]
   ++ lib.optionals enableWsi [
     vulkan-headers
@@ -160,6 +161,7 @@ stdenv.mkDerivation (finalAttrs: {
       pixman
       libcap
       lcms
+      luajit
     ]
   );