Move Drawers function to viewport

src/swrenderer/viewport/r_drawerargs.cpp

@@ -13,25 +13,9 @@
 
 #include <stddef.h>
 #include "r_drawerargs.h"
-#include "swrenderer/drawers/r_draw_pal.h"
-#include "swrenderer/drawers/r_draw_rgba.h"
 
 namespace swrenderer
 {
-	SWPixelFormatDrawers *DrawerArgs::Drawers()
-	{
-		if (RenderViewport::Instance()->RenderTarget->IsBgra())
-		{
-			static SWTruecolorDrawers tc_drawers;
-			return &tc_drawers;
-		}
-		else
-		{
-			static SWPalDrawers pal_drawers;
-			return &pal_drawers;
-		}
-	}
-
 	void DrawerArgs::SetLight(FSWColormap *base_colormap, float light, int shade)
 	{
 		mBaseColormap = base_colormap;

src/swrenderer/viewport/r_drawerargs.h

@@ -33,9 +33,6 @@ namespace swrenderer
 		ShadeConstants ColormapConstants() const;
 		fixed_t Light() const { return LIGHTSCALE(mLight, mShade); }
 
-	protected:
-		static SWPixelFormatDrawers *Drawers();
-
 	private:
 		FSWColormap *mBaseColormap = nullptr;
 		float mLight = 0.0f;

src/swrenderer/viewport/r_skydrawer.cpp

@@ -18,12 +18,12 @@ namespace swrenderer
 {
 	void SkyDrawerArgs::DrawSingleSkyColumn()
 	{
-		Drawers()->DrawSingleSkyColumn(*this);
+		RenderViewport::Instance()->Drawers()->DrawSingleSkyColumn(*this);
 	}
 
 	void SkyDrawerArgs::DrawDoubleSkyColumn()
 	{
-		Drawers()->DrawDoubleSkyColumn(*this);
+		RenderViewport::Instance()->Drawers()->DrawDoubleSkyColumn(*this);
 	}
 
 	void SkyDrawerArgs::SetDest(int x, int y)

src/swrenderer/viewport/r_spandrawer.cpp

@@ -98,21 +98,21 @@ namespace swrenderer
 
 	void SpanDrawerArgs::DrawSpan()
 	{
-		(Drawers()->*spanfunc)(*this);
+		(RenderViewport::Instance()->Drawers()->*spanfunc)(*this);
 	}
 
 	void SpanDrawerArgs::DrawTiltedSpan(int y, int x1, int x2, const FVector3 &plane_sz, const FVector3 &plane_su, const FVector3 &plane_sv, bool plane_shade, int planeshade, float planelightfloat, fixed_t pviewx, fixed_t pviewy, FDynamicColormap *basecolormap)
 	{
-		Drawers()->DrawTiltedSpan(*this, y, x1, x2, plane_sz, plane_su, plane_sv, plane_shade, planeshade, planelightfloat, pviewx, pviewy, basecolormap);
+		RenderViewport::Instance()->Drawers()->DrawTiltedSpan(*this, y, x1, x2, plane_sz, plane_su, plane_sv, plane_shade, planeshade, planelightfloat, pviewx, pviewy, basecolormap);
 	}
 
 	void SpanDrawerArgs::DrawFogBoundaryLine(int y, int x1, int x2)
 	{
-		Drawers()->DrawFogBoundaryLine(*this, y, x1, x2);
+		RenderViewport::Instance()->Drawers()->DrawFogBoundaryLine(*this, y, x1, x2);
 	}
 
 	void SpanDrawerArgs::DrawColoredSpan(int y, int x1, int x2)
 	{
-		Drawers()->DrawColoredSpan(*this, y, x1, x2);
+		RenderViewport::Instance()->Drawers()->DrawColoredSpan(*this, y, x1, x2);
 	}
 }

src/swrenderer/viewport/r_spritedrawer.cpp

@@ -115,7 +115,7 @@ namespace swrenderer
 				else if (dc_iscale < 0)
 					dc_count = MIN(dc_count, (dc_texturefrac - dc_iscale) / (-dc_iscale));
 
-				(Drawers()->*colfunc)(*this);
+				(RenderViewport::Instance()->Drawers()->*colfunc)(*this);
 			}
 			span++;
 		}
@@ -230,7 +230,7 @@ namespace swrenderer
 				double v = ((dc_yl + 0.5 - sprtopscreen) / spryscale) / tex->GetHeight();
 				dc_texturefrac = (uint32_t)(v * (1 << 30));
 
-				(Drawers()->*colfunc)(*this);
+				(RenderViewport::Instance()->Drawers()->*colfunc)(*this);
 			}
 			span++;
 		}
@@ -490,7 +490,7 @@ namespace swrenderer
 
 	void SpriteDrawerArgs::FillColumn()
 	{
-		Drawers()->FillColumn(*this);
+		RenderViewport::Instance()->Drawers()->FillColumn(*this);
 	}
 
 	void SpriteDrawerArgs::SetDest(int x, int y)

src/swrenderer/viewport/r_viewport.cpp

@@ -33,6 +33,8 @@
 #include "swrenderer/drawers/r_draw.h"
 #include "swrenderer/things/r_playersprite.h"
 #include "swrenderer/plane/r_flatplane.h"
+#include "swrenderer/drawers/r_draw_pal.h"
+#include "swrenderer/drawers/r_draw_rgba.h"
 
 CVAR(String, r_viewsize, "", CVAR_NOSET)
 
@@ -44,6 +46,24 @@ namespace swrenderer
 		return &instance;
 	}
 
+	RenderViewport::RenderViewport()
+	{
+		tc_drawers = std::make_unique<SWTruecolorDrawers>();
+		pal_drawers = std::make_unique<SWPalDrawers>();
+	}
+	
+	RenderViewport::~RenderViewport()
+	{
+	}
+
+	SWPixelFormatDrawers *RenderViewport::Drawers()
+	{
+		if (RenderTarget->IsBgra())
+			return tc_drawers.get();
+		else
+			return pal_drawers.get();
+	}
+
 	void RenderViewport::SetViewport(int fullWidth, int fullHeight, float trueratio)
 	{
 		int virtheight, virtwidth, virtwidth2, virtheight2;

src/swrenderer/viewport/r_viewport.h

@@ -14,15 +14,23 @@
 #pragma once
 
 #include <stddef.h>
+#include <memory>
 #include "r_defs.h"
 
 namespace swrenderer
 {
+	class SWPixelFormatDrawers;
+	class SWTruecolorDrawers;
+	class SWPalDrawers;
+	
 	class RenderViewport
 	{
 	public:
 		static RenderViewport *Instance();
 
+		RenderViewport();
+		~RenderViewport();
+		
 		void SetViewport(int width, int height, float trueratio);
 		void SetupFreelook();
 		
@@ -55,10 +63,15 @@ namespace swrenderer
 		DVector2 PointWorldToView(const DVector2 &worldPos) const;
 		DVector2 ScaleViewToScreen(const DVector2 &scale, double viewZ, bool pixelstretch = true) const;
 		
+		SWPixelFormatDrawers *Drawers();
+
 	private:
 		void InitTextureMapping();
 		void SetupBuffer();
 		
 		double BaseYaspectMul = 0.0; // yaspectmul without a forced aspect ratio
+		
+		std::unique_ptr<SWTruecolorDrawers> tc_drawers;
+		std::unique_ptr<SWPalDrawers> pal_drawers;
 	};
 }

src/swrenderer/viewport/r_walldrawer.cpp

@@ -25,7 +25,7 @@ namespace swrenderer
 
 	void WallDrawerArgs::DrawColumn()
 	{
-		(Drawers()->*wallfunc)(*this);
+		(RenderViewport::Instance()->Drawers()->*wallfunc)(*this);
 	}
 
 	void WallDrawerArgs::SetStyle(bool masked, bool additive, fixed_t alpha)