pretty good

devenv.nix

@@ -7,6 +7,7 @@ let
     "git+https://gitea.gregorlohaus.com/gregor/jlibghostty.git";
 
   jlib = jlibghostty.packages.${system}.jlibghostty;
+  hostNvidiaLibs = ".devenv/host-nvidia-libs";
 in
 {
   packages = [
@@ -26,9 +27,10 @@ in
     pkgs.libGL
     pkgs.gtk3
     pkgs.alsa-lib
+    pkgs.mesa-demos
   ];
 
-  env.LD_LIBRARY_PATH = lib.makeLibraryPath [
+  env.LD_LIBRARY_PATH = "${hostNvidiaLibs}:" + lib.makeLibraryPath [
     pkgs.openjfx
 
     pkgs.glib
@@ -42,5 +44,23 @@ in
     pkgs.gtk3
     pkgs.alsa-lib
   ] + ":/usr/lib/x86_64-linux-gnu/nvidia/current";
+  env.__GLX_VENDOR_LIBRARY_NAME = "nvidia";
+  env.__EGL_VENDOR_LIBRARY_FILENAMES = "/usr/share/glvnd/egl_vendor.d/10_nvidia.json";
   env.JLIBGHOSTTY_MAVEN_REPO = "${jlib}/maven";
+
+  enterShell = ''
+    mkdir -p ${hostNvidiaLibs}
+    for lib in \
+      /usr/lib/x86_64-linux-gnu/libnvidia*.so* \
+      /usr/lib/x86_64-linux-gnu/libGLX_nvidia.so* \
+      /usr/lib/x86_64-linux-gnu/libEGL_nvidia.so* \
+      /usr/lib/x86_64-linux-gnu/nvidia/current/libnvidia*.so* \
+      /usr/lib/x86_64-linux-gnu/nvidia/current/libGLX_nvidia.so* \
+      /usr/lib/x86_64-linux-gnu/nvidia/current/libEGL_nvidia.so*
+    do
+      if [ -e "$lib" ]; then
+        ln -sfn "$lib" ${hostNvidiaLibs}/"$(basename "$lib")"
+      fi
+    done
+  '';
 }