diff --git a/src/gl/scene/gl_drawinfo.cpp b/src/gl/scene/gl_drawinfo.cpp
index 6d07483a2..615699ad6 100644
--- a/src/gl/scene/gl_drawinfo.cpp
+++ b/src/gl/scene/gl_drawinfo.cpp
@@ -97,38 +97,17 @@ static Clipper staticClipper;
 FDrawInfo *FDrawInfo::StartDrawInfo(FRenderViewpoint &parentvp, HWViewpointUniforms *uniforms)
 {
 	FDrawInfo *di=di_list.GetNew();
-	di->mClipper = &staticClipper;
-	di->Viewpoint = parentvp;
-	if (uniforms)
-	{
-		di->VPUniforms = *uniforms;
-		// The clip planes will never be inherited from the parent drawinfo.
-		di->VPUniforms.mClipLine.X = -1000001.f;
-		di->VPUniforms.mClipHeight = 0;
-	}
-	else di->VPUniforms.SetDefaults();
-    di->mClipper->SetViewpoint(di->Viewpoint);
 	staticClipper.Clear();
-	di->StartScene();
+	di->mClipper = &staticClipper;
+
+	di->StartScene(parentvp, uniforms);
+
+	di->outer = gl_drawinfo;
+	gl_drawinfo = di;
+
 	return di;
 }
 
-void FDrawInfo::StartScene()
-{
-	ClearBuffers();
-
-	outer = gl_drawinfo;
-	gl_drawinfo = this;
-	for (int i = 0; i < GLDL_TYPES; i++) drawlists[i].Reset();
-	hudsprites.Clear();
-	vpIndex = 0;
-
-	// Fullbright information needs to be propagated from the main view.
-	if (outer != nullptr) FullbrightFlags = outer->FullbrightFlags;
-	else FullbrightFlags = 0;
-
-}
-
 //==========================================================================
 //
 //
@@ -145,19 +124,6 @@ FDrawInfo *FDrawInfo::EndDrawInfo()
 	return gl_drawinfo;
 }
 
-// Same here for the dependency on the portal.
-void FDrawInfo::AddSubsectorToPortal(FSectorPortalGroup *ptg, subsector_t *sub)
-{
-	auto portal = FindPortal(ptg);
-	if (!portal)
-	{
-		portal = new HWScenePortal(screen->mPortalState, new HWSectorStackPortal(ptg));
-		Portals.Push(portal);
-	}
-	auto ptl = static_cast<HWSectorStackPortal*>(static_cast<HWScenePortal*>(portal)->mScene);
-	ptl->AddSubsector(sub);
-}
-
 bool FDrawInfo::SetDepthClamp(bool on)
 {
 	return gl_RenderState.SetDepthClamp(on);
diff --git a/src/gl/scene/gl_drawinfo.h b/src/gl/scene/gl_drawinfo.h
index eddd40ce2..37b68c0fe 100644
--- a/src/gl/scene/gl_drawinfo.h
+++ b/src/gl/scene/gl_drawinfo.h
@@ -26,10 +26,6 @@ struct FDrawInfo : public HWDrawInfo
 	void SetCulling(int mode) override;
 	void EnableClipDistance(int num, bool state) override;
 
-	void StartScene();
-
-	void AddSubsectorToPortal(FSectorPortalGroup *portal, subsector_t *sub) override;
-    
     void CreateScene();
     void RenderScene(int recursion);
     void RenderTranslucent();
diff --git a/src/hwrenderer/scene/hw_drawinfo.cpp b/src/hwrenderer/scene/hw_drawinfo.cpp
index 8cd126d9f..bd74b5e05 100644
--- a/src/hwrenderer/scene/hw_drawinfo.cpp
+++ b/src/hwrenderer/scene/hw_drawinfo.cpp
@@ -37,6 +37,7 @@
 #include "hwrenderer/utility/hw_clock.h"
 #include "hwrenderer/utility/hw_cvars.h"
 #include "hwrenderer/data/hw_viewpointbuffer.h"
+#include "hw_clipper.h"
 
 EXTERN_CVAR(Float, r_visibility)
 CVAR(Bool, gl_bandedswlight, false, CVAR_ARCHIVE)
@@ -60,6 +61,31 @@ inline void DeleteLinkedList(T *node)
 	}
 }
 
+void HWDrawInfo::StartScene(FRenderViewpoint &parentvp, HWViewpointUniforms *uniforms)
+{
+	Viewpoint = parentvp;
+	if (uniforms)
+	{
+		VPUniforms = *uniforms;
+		// The clip planes will never be inherited from the parent drawinfo.
+		VPUniforms.mClipLine.X = -1000001.f;
+		VPUniforms.mClipHeight = 0;
+	}
+	else VPUniforms.SetDefaults();
+	mClipper->SetViewpoint(Viewpoint);
+
+	ClearBuffers();
+
+	for (int i = 0; i < GLDL_TYPES; i++) drawlists[i].Reset();
+	hudsprites.Clear();
+	vpIndex = 0;
+
+	// Fullbright information needs to be propagated from the main view.
+	if (outer != nullptr) FullbrightFlags = outer->FullbrightFlags;
+	else FullbrightFlags = 0;
+
+}
+
 void HWDrawInfo::ClearBuffers()
 {
 	for (auto node : otherfloorplanes) DeleteLinkedList(node);
diff --git a/src/hwrenderer/scene/hw_drawinfo.h b/src/hwrenderer/scene/hw_drawinfo.h
index acee209f9..878eb0977 100644
--- a/src/hwrenderer/scene/hw_drawinfo.h
+++ b/src/hwrenderer/scene/hw_drawinfo.h
@@ -298,6 +298,7 @@ public:
 	HWPortal * FindPortal(const void * src);
 	void RenderBSPNode(void *node);
 
+	void StartScene(FRenderViewpoint &parentvp, HWViewpointUniforms *uniforms);
 	void ClearBuffers();
 	void SetViewArea();
 	int SetFullbrightFlags(player_t *player);
@@ -349,7 +350,7 @@ public:
 	void DrawPlayerSprites(bool hudModelStep, FRenderState &state);
 
 	void ProcessLowerMinisegs(TArray<seg_t *> &lowersegs);
-    virtual void AddSubsectorToPortal(FSectorPortalGroup *portal, subsector_t *sub) = 0;
+    void AddSubsectorToPortal(FSectorPortalGroup *portal, subsector_t *sub);
     
     void AddWall(GLWall *w);
     void AddMirrorSurface(GLWall *w);
diff --git a/src/hwrenderer/scene/hw_renderhacks.cpp b/src/hwrenderer/scene/hw_renderhacks.cpp
index b52cb023d..9610d3da7 100644
--- a/src/hwrenderer/scene/hw_renderhacks.cpp
+++ b/src/hwrenderer/scene/hw_renderhacks.cpp
@@ -37,6 +37,7 @@
 #include "hwrenderer/dynlights/hw_dynlightdata.h"
 #include "hwrenderer/data/flatvertices.h"
 #include "hwrenderer/dynlights/hw_lightbuffer.h"
+#include "hwrenderer/scene/hw_portal.h"
 
 sector_t * hw_FakeFlat(sector_t * sec, sector_t * dest, area_t in_area, bool back);
 
@@ -1365,3 +1366,21 @@ void HWDrawInfo::ProcessSectorStacks(area_t in_area)
 	CeilingStacks.Clear();
 }
 
+//==========================================================================
+//
+//
+//
+//==========================================================================
+
+void HWDrawInfo::AddSubsectorToPortal(FSectorPortalGroup *ptg, subsector_t *sub)
+{
+	auto portal = FindPortal(ptg);
+	if (!portal)
+	{
+		portal = new HWScenePortal(screen->mPortalState, new HWSectorStackPortal(ptg));
+		Portals.Push(portal);
+	}
+	auto ptl = static_cast<HWSectorStackPortal*>(static_cast<HWScenePortal*>(portal)->mScene);
+	ptl->AddSubsector(sub);
+}
+