diff --git a/src/r_draw_pal.cpp b/src/r_draw_pal.cpp
index fa4b7df1d9..6eeba9ec75 100644
--- a/src/r_draw_pal.cpp
+++ b/src/r_draw_pal.cpp
@@ -2275,12 +2275,19 @@ namespace swrenderer
 
 	/////////////////////////////////////////////////////////////////////////
 
-	DrawColoredSpanPalCommand::DrawColoredSpanPalCommand(int y, int x1, int x2)
+	DrawColoredSpanPalCommand::DrawColoredSpanPalCommand(int y, int x1, int x2) : y(y), x1(x1), x2(x2)
 	{
+		using namespace drawerargs;
+		color = ds_color;
+		destorg = dc_destorg;
 	}
 
 	void DrawColoredSpanPalCommand::Execute(DrawerThread *thread)
 	{
+		if (thread->line_skipped_by_thread(y))
+			return;
+
+		memset(ylookup[y] + x1 + destorg, color, x2 - x1 + 1);
 	}
 
 	/////////////////////////////////////////////////////////////////////////
@@ -2325,11 +2332,24 @@ namespace swrenderer
 
 	/////////////////////////////////////////////////////////////////////////
 
-	DrawFogBoundaryLinePalCommand::DrawFogBoundaryLinePalCommand(int y, int y2, int x1)
+	DrawFogBoundaryLinePalCommand::DrawFogBoundaryLinePalCommand(int y, int x1, int x2) : y(y), x1(x1), x2(x2)
 	{
+		using namespace drawerargs;
+		_colormap = dc_colormap;
+		_destorg = dc_destorg;
 	}
 
 	void DrawFogBoundaryLinePalCommand::Execute(DrawerThread *thread)
 	{
+		if (thread->line_skipped_by_thread(y))
+			return;
+
+		const uint8_t *colormap = _colormap;
+		uint8_t *dest = ylookup[y] + _destorg;
+		int x = x1;
+		do
+		{
+			dest[x] = colormap[dest[x]];
+		} while (++x <= x2);
 	}
 }
diff --git a/src/r_draw_pal.h b/src/r_draw_pal.h
index ba9a953c3d..6fe775568d 100644
--- a/src/r_draw_pal.h
+++ b/src/r_draw_pal.h
@@ -188,6 +188,13 @@ namespace swrenderer
 		DrawColoredSpanPalCommand(int y, int x1, int x2);
 		void Execute(DrawerThread *thread) override;
 		FString DebugInfo() override { return "DrawColoredSpanPalCommand"; }
+
+	private:
+		int y;
+		int x1;
+		int x2;
+		int color;
+		uint8_t *destorg;
 	};
 
 	class DrawSlabPalCommand : public PalSpanCommand
@@ -211,8 +218,13 @@ namespace swrenderer
 	class DrawFogBoundaryLinePalCommand : public PalSpanCommand
 	{
 	public:
-		DrawFogBoundaryLinePalCommand(int y, int y2, int x1);
+		DrawFogBoundaryLinePalCommand(int y, int x1, int x2);
 		void Execute(DrawerThread *thread) override;
+
+	private:
+		int y, x1, x2;
+		const uint8_t *_colormap;
+		uint8_t *_destorg;
 	};
 
 	class RtInitColsPalCommand : public DrawerCommand
diff --git a/src/r_plane.cpp b/src/r_plane.cpp
index c6c7d6d2f0..3b026b293d 100644
--- a/src/r_plane.cpp
+++ b/src/r_plane.cpp
@@ -522,11 +522,6 @@ void R_MapTiltedPlane (int y, int x1)
 //
 //==========================================================================
 
-void R_MapColoredPlane_C (int y, int x1)
-{
-	memset (ylookup[y] + x1 + dc_destorg, ds_color, spanend[y] - x1 + 1);
-}
-
 void R_MapColoredPlane(int y, int x1)
 {
 	R_DrawColoredSpan(y, x1, spanend[y]);
diff --git a/src/r_plane.h b/src/r_plane.h
index 9141411af3..3a067b527e 100644
--- a/src/r_plane.h
+++ b/src/r_plane.h
@@ -96,11 +96,6 @@ void R_DrawNormalPlane (visplane_t *pl, double xscale, double yscale, fixed_t al
 void R_DrawTiltedPlane (visplane_t *pl, double xscale, double yscale, fixed_t alpha, bool additive, bool masked);
 void R_MapVisPlane (visplane_t *pl, void (*mapfunc)(int y, int x1));
 
-void R_MapTiltedPlane_C(int y, int x1);
-void R_MapTiltedPlane_rgba(int y, int x);
-void R_MapColoredPlane_C(int y, int x1);
-void R_MapColoredPlane_rgba(int y, int x1);
-
 visplane_t *R_FindPlane
 ( const secplane_t &height,
   FTextureID	picnum,