From 26edc918c00f245ca555aafe6e639ffc90da7297 Mon Sep 17 00:00:00 2001
From: Antoine Viallon <antoine@lesviallon.fr>
Date: Wed, 24 Jan 2024 13:42:08 +0100
Subject: [PATCH] [Hardware/Nvidia] fix apps not finding nvidia EGL because of
 bizarre default behavior of Nvidia driver Use undocumented environment
 variable to fix that.

---
 hardware/nvidia/proprietary.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/hardware/nvidia/proprietary.nix b/hardware/nvidia/proprietary.nix
index 7578a19..e5263ce 100644
--- a/hardware/nvidia/proprietary.nix
+++ b/hardware/nvidia/proprietary.nix
@@ -131,6 +131,10 @@ in {
       __GL_THREADED_OPTIMIZATIONS = "0";
       # "__GL_THREADED_OPTIMIZATIONS" = toValue generalCfg.unsafeOptimizations;
       "KWIN_DRM_USE_EGL_STREAMS" = toValue cfg.proprietary.EGLStream; # Make KWin use EGL Streams if needed, because otherwise performance will be horrible.
+
+
+      # Undocumented, fix for EGL not being found by Nvidia driver: https://github.com/NVIDIA/egl-wayland/issues/39#issuecomment-927288015
+      __EGL_EXTERNAL_PLATFORM_CONFIG_DIRS = "/run/opengl-driver/share/egl/egl_external_platform.d";
     };
   };
 }