From 964f593dcb68c9be87ea8b1b2fd5c093c81a3e1c Mon Sep 17 00:00:00 2001
From: ccicnce113424 <ccicnce113424@gmail.com>
Date: Sat, 4 Apr 2026 22:58:21 +0800
Subject: [PATCH] cargo-tauri: fix NVIDIA issue by disabling explicit sync

https://github.com/tauri-apps/tauri/issues/9394#issuecomment-3795449374
This approach fixes the issue without disabling the DMABUF renderer and
should have better performance.
---
 pkgs/by-name/ca/cargo-tauri/hook.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkgs/by-name/ca/cargo-tauri/hook.nix b/pkgs/by-name/ca/cargo-tauri/hook.nix
index cb829f9a96a5..d432d79c67d9 100644
--- a/pkgs/by-name/ca/cargo-tauri/hook.nix
+++ b/pkgs/by-name/ca/cargo-tauri/hook.nix
@@ -41,6 +41,9 @@ makeSetupHook {
         --prefix WEBKIT_GST_ALLOWED_URI_PROTOCOLS : "asset"
         # Not picked up automatically by the wrappers from the propagatedBuildInputs.
         --prefix GST_PLUGIN_SYSTEM_PATH_1_0 : "${cargo-tauri.gst-plugin}/lib/gstreamer-1.0/"
+        # fix NVIDIA issues with Tauri
+        # https://github.com/tauri-apps/tauri/issues/9394#issuecomment-3795449374
+        --set-default __NV_DISABLE_EXPLICIT_SYNC 1
       )
     '';