diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 2dd4bbaef4..ca228c247e 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -1040,7 +1040,6 @@ set (PCH_SOURCES
 	gl/stereo3d/gl_stereo3d.cpp
 	gl/stereo3d/gl_stereo_cvars.cpp
 	gl/stereo3d/gl_stereo_leftright.cpp
-	gl/stereo3d/scoped_view_shifter.cpp
 	gl/stereo3d/gl_anaglyph.cpp
 	gl/stereo3d/gl_quadstereo.cpp
 	gl/stereo3d/gl_sidebyside3d.cpp
diff --git a/src/gl/scene/gl_scene.cpp b/src/gl/scene/gl_scene.cpp
index d4aea27681..1461fd94d0 100644
--- a/src/gl/scene/gl_scene.cpp
+++ b/src/gl/scene/gl_scene.cpp
@@ -670,7 +670,7 @@ sector_t * GLSceneDrawer::RenderViewpoint (AActor * camera, IntRect * bounds, fl
 		SetViewAngle(r_viewpoint.Angles.Yaw);
 		// Stereo mode specific viewpoint adjustment - temporarily shifts global ViewPos
 		eye->GetViewShift(GLRenderer->mAngles.Yaw.Degrees, viewShift);
-		s3d::ScopedViewShifter viewShifter(viewShift);
+		ScopedViewShifter viewShifter(r_viewpoint.Pos, viewShift);
 		SetViewMatrix(r_viewpoint.Pos.X, r_viewpoint.Pos.Y, r_viewpoint.Pos.Z, false, false);
 		gl_RenderState.ApplyMatrices();
 
diff --git a/src/gl/stereo3d/scoped_view_shifter.cpp b/src/gl/stereo3d/scoped_view_shifter.cpp
deleted file mode 100644
index ac2b89a278..0000000000
--- a/src/gl/stereo3d/scoped_view_shifter.cpp
+++ /dev/null
@@ -1,48 +0,0 @@
-// 
-//---------------------------------------------------------------------------
-//
-// Copyright(C) 2015 Christopher Bruns
-// All rights reserved.
-//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Lesser General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public License
-// along with this program.  If not, see http://www.gnu.org/licenses/
-//
-//--------------------------------------------------------------------------
-//
-/*
-** scoped_view_shifter.cpp
-** Stack-scoped class for temporarily changing camera viewpoint
-** Used for stereoscopic 3D.
-**
-*/
-
-#include "scoped_view_shifter.h"
-#include "r_utility.h"
-
-namespace s3d {
-
-ScopedViewShifter::ScopedViewShifter(float dxyz[3]) // in meters
-{
-	// save original values
-	cachedView = r_viewpoint.Pos;
-	// modify values
-	r_viewpoint.Pos += DVector3(dxyz[0], dxyz[1], dxyz[2]);
-}
-
-ScopedViewShifter::~ScopedViewShifter()
-{
-	// restore original values
-	r_viewpoint.Pos = cachedView;
-}
-
-}
\ No newline at end of file
diff --git a/src/gl/stereo3d/scoped_view_shifter.h b/src/gl/stereo3d/scoped_view_shifter.h
index bac7f2daca..9e80a28adf 100644
--- a/src/gl/stereo3d/scoped_view_shifter.h
+++ b/src/gl/stereo3d/scoped_view_shifter.h
@@ -32,21 +32,31 @@
 #include "basictypes.h"
 #include "vectors.h"
 
-namespace s3d {
+/**
+ * Temporarily shift
+ */
+class ScopedViewShifter
+{
+public:
+    ScopedViewShifter(DVector3 &var, float dxyz[3]) // in meters
+    {
+        // save original values
+        mVar = &var;
+        cachedView = var;
+        // modify values
+        var += DVector3(dxyz[0], dxyz[1], dxyz[2]);
+    }
+    
+    ~ScopedViewShifter()
+    {
+        // restore original values
+        *mVar = cachedView;
+    }
 
-	/**
-	 * Temporarily shift 
-	 */
-	class ScopedViewShifter
-	{
-	public:
-		ScopedViewShifter(float dxyz[3]); // in meters
-		~ScopedViewShifter();
+private:
+    DVector3 *mVar;
+    DVector3 cachedView;
+};
 
-	private:
-		DVector3 cachedView;
-	};
-
-} /* namespace s3d */
 
 #endif // GL_STEREO3D_SCOPED_VIEW_SHIFTER_H_
diff --git a/src/hwrenderer/data/renderqueue.h b/src/hwrenderer/data/renderqueue.h
new file mode 100644
index 0000000000..69e67b990a
--- /dev/null
+++ b/src/hwrenderer/data/renderqueue.h
@@ -0,0 +1,33 @@
+#pragma once
+
+#include <stdint.h>
+#include "tflags.h"
+
+// A render queue is what contains all render commands.
+// On Vulkan there can be several of them so this interface is needed to allow for the needed parallelism.
+// On OpenGL the render state is global so all this will do is to translate the system independent calls into OpenGL API calls.
+
+enum class ColormaskBits
+{
+  RED = 1,
+  GREEN = 2,
+  BLUE = 4,
+  ALPHA = 8
+};
+
+typedef TFlags<ColormaskBits, uint8_t> Colormask;
+
+class IRenderQueue
+{
+  Colormask mColorMask;
+
+
+  Colormask GetColorMask() const
+  {
+    return mColorMask;
+  }
+
+  void SetColorMask(Colormask mask) = 0;
+
+
+};