From 1ba4dfbfa842759c075384dcb38e44017203fddb Mon Sep 17 00:00:00 2001
From: Christoph Oelckers <coelckers@users.noreply.github.com>
Date: Fri, 15 Apr 2022 23:59:43 +0200
Subject: [PATCH] - fixed setup of PolyBSPs when the software renderer is
 active.

Some needed initialization was still in the hardware renderer and not the data creator.
---
 src/playsim/p_sectors.cpp                 | 6 ++++++
 src/rendering/hwrenderer/scene/hw_bsp.cpp | 5 -----
 2 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/src/playsim/p_sectors.cpp b/src/playsim/p_sectors.cpp
index bc31156a6..b0aba23c1 100644
--- a/src/playsim/p_sectors.cpp
+++ b/src/playsim/p_sectors.cpp
@@ -1497,6 +1497,12 @@ void subsector_t::BuildPolyBSP()
 		BSP->Subsectors[i].sector = sector;
 		BSP->Subsectors[i].section = section;
 	}
+	for (unsigned i = 0; i < BSP->Segs.Size(); i++)
+	{
+		BSP->Segs[i].Subsector = this;
+		BSP->Segs[i].PartnerSeg = nullptr;
+	}
+
 }
 
 //===========================================================================
diff --git a/src/rendering/hwrenderer/scene/hw_bsp.cpp b/src/rendering/hwrenderer/scene/hw_bsp.cpp
index 8a1a63a33..8f6f1e194 100644
--- a/src/rendering/hwrenderer/scene/hw_bsp.cpp
+++ b/src/rendering/hwrenderer/scene/hw_bsp.cpp
@@ -429,11 +429,6 @@ void HWDrawInfo::AddPolyobjs(subsector_t *sub)
 	if (sub->BSP == nullptr || sub->BSP->bDirty)
 	{
 		sub->BuildPolyBSP();
-		for (unsigned i = 0; i < sub->BSP->Segs.Size(); i++)
-		{
-			sub->BSP->Segs[i].Subsector = sub;
-			sub->BSP->Segs[i].PartnerSeg = nullptr;
-		}
 	}
 	if (sub->BSP->Nodes.Size() == 0)
 	{