diff --git a/src/core/Game.cpp b/src/core/Game.cpp
index 0d839dfa..2c9e784c 100644
--- a/src/core/Game.cpp
+++ b/src/core/Game.cpp
@@ -149,9 +149,14 @@ CGame::InitialiseOnceBeforeRW(void)
 	return true;
 }
 
-#if !defined(LIBRW) && defined(PS2_MATFX)
+#ifndef LIBRW
+#ifdef PS2_MATFX
 void ReplaceMatFxCallback();
-#endif
+#endif // PS2_MATFX
+#ifdef DUAL_PASS_RENDERING
+void ReplaceAtomicPipeCallback();
+#endif // DUAL_PASS_RENDERING
+#endif // !LIBRW
 
 bool
 CGame::InitialiseRenderWare(void)
@@ -203,9 +208,14 @@ CGame::InitialiseRenderWare(void)
 #else
 	rw::MatFX::modulateEnvMap = false;
 #endif
-#elif defined(PS2_MATFX)
+#else
+#ifdef PS2_MATFX
 	ReplaceMatFxCallback();
-#endif
+#endif // PS2_MATFX
+#ifdef DUAL_PASS_RENDERING
+	ReplaceAtomicPipeCallback();
+#endif // DUAL_PASS_RENDERING
+#endif // LIBRW
 	
 	CFont::Initialise();
 	CHud::Initialise();
diff --git a/src/core/config.h b/src/core/config.h
index 8972e7b7..9dfbad03 100644
--- a/src/core/config.h
+++ b/src/core/config.h
@@ -198,6 +198,7 @@ enum Config {
 #define ASPECT_RATIO_SCALE	// Not just makes everything scale with aspect ratio, also adds support for all aspect ratios
 #define DEFAULT_NATIVE_RESOLUTION	// Set default video mode to your native resolution (fixes Windows 10 launch)
 #define USE_TXD_CDIMAGE		// generate and load textures from txd.img
+#define DUAL_PASS_RENDERING // dual pass rendering from SkyGfx 
 #define IMPROVED_VIDEOMODE	// save and load videomode parameters instead of a magic number
 #define DISABLE_LOADING_SCREEN // disable the loading screen which vastly improves the loading time
 //#define NO_ISLAND_LOADING  // disable loadscreen between islands via loading all island data at once, consumes more memory and CPU
diff --git a/src/rw/RwHelper.cpp b/src/rw/RwHelper.cpp
index bf70c8dc..08a8fca4 100644
--- a/src/rw/RwHelper.cpp
+++ b/src/rw/RwHelper.cpp
@@ -11,7 +11,11 @@
 RtCharset *debugCharset;
 #endif
 
-bool gPS2alphaTest = 1;
+#ifdef DUAL_PASS_RENDERING
+bool gPS2alphaTest = true;
+#else
+bool gPS2alphaTest = false;
+#endif
 
 #ifndef FINAL
 static bool charsetOpen;
@@ -644,4 +648,4 @@ RestoreAlphaTest()
 	RwD3D8SetRenderState(D3DRS_ALPHAREF, saved_alpharef);
 #endif
 }
-#endif
+#endif
\ No newline at end of file
diff --git a/src/rw/RwMatFX.cpp b/src/rw/RwMatFX.cpp
index a128ff1a..c8384b0f 100644
--- a/src/rw/RwMatFX.cpp
+++ b/src/rw/RwMatFX.cpp
@@ -2,7 +2,6 @@
 
 #define WITHD3D
 #include "common.h"
-#include "rwcore.h"
 #include "rpmatfx.h"
 
 struct MatFXNothing { int pad[5]; int effect; };
@@ -305,7 +304,8 @@ ReplaceMatFxCallback()
 {
 	RxD3D8AllInOneSetRenderCallBack(
 	    RxPipelineFindNodeByName(RpMatFXGetD3D8Pipeline(rpMATFXD3D8ATOMICPIPELINE), RxNodeDefinitionGetD3D8AtomicAllInOne()->name, nil, nil),
-		_rwD3D8AtomicMatFXRenderCallback);
+	    _rwD3D8AtomicMatFXRenderCallback);
+	
 }
 #endif // PS2_MATFX