Portal and high update count fixes

src/rendering/hwrenderer/doom_levelmesh.cpp

@@ -77,15 +77,17 @@ ADD_STAT(lightmap)
 	int indexBufferUsed = levelMesh->FreeLists.Index.GetUsedSize();
 
 	out.Format(
-		"Surfaces: %u (awaiting updates: %u)\n"
-		"Surface pixel area to update: %u\n"
-		"Surface pixel area: %u\nAtlas pixel area:   %u\n"
+		"Tiles updated this frame: %d\n"
+		"Tiles: %u (%u out of date)\n"
+		"Tile pixel area to update: %u\n"
+		"Tile pixel area: %u\nAtlas pixel area:   %u\n"
 		"Atlas efficiency: %.4f%%\n"
 		"Dynamic BLAS time: %2.3f ms\n"
 		"Level mesh process time: %2.3f ms\n"
 		"Level mesh index buffer: %d K used (%d%%)\n"
 		"Lightmap tiles in use: %d\n"
 		"Lightmap texture count: %d",
+		screen->FrameTileUpdates,
 		stats.tiles.total, stats.tiles.dirty,
 		stats.pixels.dirty,
 		stats.pixels.total,

src/rendering/hwrenderer/scene/hw_drawinfo.cpp

@@ -139,11 +139,13 @@ void HWDrawInfo::StartScene(FRenderViewpoint &parentvp, HWViewpointUniforms *uni
 	for (int i = 0; i < GLDL_TYPES; i++) drawlists[i].Reset();
 	hudsprites.Clear();
 	Fogballs.Clear();
-	VisibleTiles.Clear();
 	vpIndex = 0;
 
-	static int counter = 1;
-	TileSeenCounter = ++counter;
+	if (!outer)
+	{
+		static int counter = 1;
+		TileSeenCounter = ++counter;
+	}
 
 	// Fullbright information needs to be propagated from the main view.
 	if (outer != nullptr) FullbrightFlags = outer->FullbrightFlags;
@@ -717,7 +719,7 @@ void HWDrawInfo::PutWallPortal(HWWall wall, FRenderState& state)
 void HWDrawInfo::UpdateLightmaps()
 {
 	if (outer)
-		return;
+		outer->UpdateLightmaps();
 	/*
 	if (VisibleTiles.size() > (size_t)lm_max_updates)
 		VisibleTiles.resize(lm_max_updates);
@@ -737,16 +739,9 @@ void HWDrawInfo::UpdateLightmaps()
 	*/
 
 	screen->UpdateLightmaps(VisibleTiles);
+	VisibleTiles.Clear();
 }
 
-//-----------------------------------------------------------------------------
-//
-// RenderScene
-//
-// Draws the current draw lists for the non GLSL renderer
-//
-//-----------------------------------------------------------------------------
-
 void HWDrawInfo::RenderScene(FRenderState &state)
 {
 	const auto &vp = Viewpoint;

src/rendering/hwrenderer/scene/hw_drawinfo.h

@@ -241,7 +241,7 @@ public:
 		}
 
 		LightmapTile* tile = &Level->levelMesh->Lightmap.Tiles[tileIndex];
-		if (tile->LastSeen != TileSeenCounter)
+		if (tile->NeedsUpdate && tile->LastSeen != TileSeenCounter)
 		{
 			tile->LastSeen = TileSeenCounter;
 			VisibleTiles.Push(tile);

src/rendering/hwrenderer/scene/hw_walls.cpp

@@ -1146,6 +1146,11 @@ void HWWall::DoTexture(HWWallDispatcher *di, FRenderState& state, int _type,seg_
 
 	if (di->di)
 	{
+		if (seg->sidedef->Index() == 55)
+		{
+			type = _type;
+		}
+
 		if (seg->sidedef->LightmapTiles.Size() >= 4 && type >= RENDERWALL_TOP && type <= RENDERWALL_BOTTOM)
 		{
 			lightmaptile = seg->sidedef->LightmapTiles[type - RENDERWALL_TOP];