From 17c1053777983865963c43e0a282a5dad62b88fe Mon Sep 17 00:00:00 2001
From: AnyOldName3 <krizdjali@gmail.com>
Date: Sat, 20 Aug 2022 16:14:22 +0100
Subject: [PATCH] Validate near and far clip distances

---
 apps/openmw/mwrender/renderingmanager.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/apps/openmw/mwrender/renderingmanager.cpp b/apps/openmw/mwrender/renderingmanager.cpp
index 349b66de98..e554481f5e 100644
--- a/apps/openmw/mwrender/renderingmanager.cpp
+++ b/apps/openmw/mwrender/renderingmanager.cpp
@@ -1276,6 +1276,11 @@ namespace MWRender
 
     void RenderingManager::updateProjectionMatrix()
     {
+        if (mNearClip < 0.0f)
+            throw std::runtime_error("Near clip is less than zero");
+        if (mViewDistance < mNearClip)
+            throw std::runtime_error("Viewing distance is less than near clip");
+
         double width = Settings::Manager::getInt("resolution x", "Video");
         double height = Settings::Manager::getInt("resolution y", "Video");