From a4e3f32ec89ab7364acf0e2d692fe83f0fe4a8a6 Mon Sep 17 00:00:00 2001
From: elsid <elsid.mail@gmail.com>
Date: Sat, 11 Jul 2020 13:29:20 +0200
Subject: [PATCH] Fix TSAN warnings for ripples emitter

While main thread creates particles rendering thread draws them so
sychronization is required.
---
 apps/openmw/mwrender/ripplesimulation.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/apps/openmw/mwrender/ripplesimulation.cpp b/apps/openmw/mwrender/ripplesimulation.cpp
index f7feb267a5..6788f53f44 100644
--- a/apps/openmw/mwrender/ripplesimulation.cpp
+++ b/apps/openmw/mwrender/ripplesimulation.cpp
@@ -200,6 +200,7 @@ void RippleSimulation::emitRipple(const osg::Vec3f &pos)
 {
     if (std::abs(pos.z() - mParticleNode->getPosition().z()) < 20)
     {
+        osgParticle::ParticleSystem::ScopedWriteLock lock(*mParticleSystem->getReadWriteMutex());
         osgParticle::Particle* p = mParticleSystem->createParticle(nullptr);
         p->setPosition(osg::Vec3f(pos.x(), pos.y(), 0.f));
         p->setAngle(osg::Vec3f(0,0, Misc::Rng::rollProbability() * osg::PI * 2 - osg::PI));