From 29c6bc3a70efb53ff9492be949162219bed98e9d Mon Sep 17 00:00:00 2001
From: Abdullah Imad <me@imad.nyc>
Date: Thu, 28 May 2026 15:09:44 -0400
Subject: [PATCH] plasticity: 25.3.9 -> 26.1.3

Upstream changed how it ships GPU bits; the prior --use-gl=egl wrapper
flag is no longer enough. Replace it with a patchelf-time fix:

  - --add-needed libGL.so.1 with a libGL rpath on the Plasticity binary
  - replace the bundled libvulkan.so.1 with a symlink to the nixpkgs
    vulkan-loader

This resolves the GPU init failures reported on 25.3.9
("Passthrough is not supported, GL is egl, ANGLE is" and
glXQueryExtensionsString returning NULL with Mesa 26).

Fixes: https://github.com/NixOS/nixpkgs/issues/487729
---
 pkgs/by-name/pl/plasticity/package.nix | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/pkgs/by-name/pl/plasticity/package.nix b/pkgs/by-name/pl/plasticity/package.nix
index 75d04eac28d9..ef9427a037f2 100644
--- a/pkgs/by-name/pl/plasticity/package.nix
+++ b/pkgs/by-name/pl/plasticity/package.nix
@@ -18,6 +18,7 @@
   libnotify,
   libxkbcommon,
   libgbm,
+  libGL,
   nspr,
   nss,
   openssl,
@@ -40,11 +41,11 @@
 }:
 stdenv.mkDerivation rec {
   pname = "plasticity";
-  version = "25.3.9";
+  version = "26.1.3";
 
   src = fetchurl {
     url = "https://github.com/nkallen/plasticity/releases/download/v${version}/Plasticity-${version}-1.x86_64.rpm";
-    hash = "sha256-92DokpVmywh7EZZMKAoXf0RzkEuG/4Ngd5l0l/o6Klk=";
+    hash = "sha256-gHoih3CldhrHPLBpu3slRUxJSBIbYYhQ9WhEbhjHzyM=";
   };
 
   passthru.updateScript = ./update.sh;
@@ -122,9 +123,17 @@ stdenv.mkDerivation rec {
     runHook postInstall
   '';
 
-  #--use-gl=egl for it to use hardware rendering it seems. Otherwise there are terrible framerates
   preFixup = ''
-    gappsWrapperArgs+=(--add-flags "--use-gl=egl")
+    patchelf --add-needed libGL.so.1 \
+      --set-rpath "${
+        lib.makeLibraryPath [
+          libGL
+        ]
+      }" \
+      $out/bin/Plasticity
+
+    rm "$out/lib/Plasticity/libvulkan.so.1"
+    ln -s -t "$out/lib/Plasticity" "${lib.getLib vulkan-loader}/lib/libvulkan.so.1"
   '';
 
   meta = {