From fbe46959589a0b51df0584ffc83e1a1d7222a159 Mon Sep 17 00:00:00 2001
From: Vojtech Bubnik <bubnikv@gmail.com>
Date: Fri, 27 Aug 2021 11:30:37 +0200
Subject: [PATCH] Slight optimization of GLGizmoSimplify::process(): Moved a
 static variable from inside a lambda outside as the static inner variable
 initialization & access has to be made thread safe.

---
 src/slic3r/GUI/Gizmos/GLGizmoSimplify.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/slic3r/GUI/Gizmos/GLGizmoSimplify.cpp b/src/slic3r/GUI/Gizmos/GLGizmoSimplify.cpp
index d4e14c6f4..b9e5d111b 100644
--- a/src/slic3r/GUI/Gizmos/GLGizmoSimplify.cpp
+++ b/src/slic3r/GUI/Gizmos/GLGizmoSimplify.cpp
@@ -283,11 +283,11 @@ void GLGizmoSimplify::process()
             }
         };
 
-        std::function<void(int)> statusfn = [this](int percent) {
+        int64_t last = 0;
+        std::function<void(int)> statusfn = [this, &last](int percent) {
             m_progress = percent;
 
             // check max 4fps
-            static int64_t last = 0;
             int64_t now = m_parent.timestamp_now();
             if ((now - last) < 250) return;
             last = now;