From 0d420ee97aea54a4385751f7d3de892ae6689d59 Mon Sep 17 00:00:00 2001
From: Jacques Lucke <jacques@blender.org>
Date: Wed, 24 Jan 2024 09:59:43 +0100
Subject: [PATCH] BLI: use less hacky source of randomness when generating
 random seed

---
 source/blender/blenlib/intern/rand.cc | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/source/blender/blenlib/intern/rand.cc b/source/blender/blenlib/intern/rand.cc
index a7900f02165..532de1e4b6f 100644
--- a/source/blender/blenlib/intern/rand.cc
+++ b/source/blender/blenlib/intern/rand.cc
@@ -10,6 +10,7 @@
 #include <cstdlib>
 #include <cstring>
 #include <ctime>
+#include <random>
 
 #include "MEM_guardedalloc.h"
 
@@ -366,8 +367,11 @@ namespace blender {
 
 RandomNumberGenerator RandomNumberGenerator::from_random_seed()
 {
-  const double time = BLI_check_seconds_timer() * 1000000.0;
-  return RandomNumberGenerator(*reinterpret_cast<const uint32_t *>(&time));
+  std::random_device rd;
+  std::mt19937 e{rd()};
+  std::uniform_int_distribution<uint32_t> dist;
+  const uint32_t seed = dist(e);
+  return RandomNumberGenerator(seed);
 }
 
 void RandomNumberGenerator::seed_random(uint32_t seed)