From a8a528beda65fc7c646e2789aaa8842780b94b1f Mon Sep 17 00:00:00 2001
From: Yggdrasil75 <cblackburn7557@gmail.com>
Date: Wed, 7 Jan 2026 14:23:51 -0500
Subject: [PATCH] pushing this.

---
 tests/g3test2.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tests/g3test2.cpp b/tests/g3test2.cpp
index e99dad6..29808dd 100644
--- a/tests/g3test2.cpp
+++ b/tests/g3test2.cpp
@@ -25,6 +25,10 @@ std::mutex PreviewMutex;
 frame currentPreviewFrame;
 GLuint textu = 0;
 bool updatePreview;
+struct Shared {
+    std::mutex mutex;
+    VoxelGrid grid;
+};
 
 VoxelGrid setup(defaults config) {
     float threshold = 0.3 * 255;