diff --git a/Src/Graphics/New3D/New3D.cpp b/Src/Graphics/New3D/New3D.cpp
index f18d385..88e3bc3 100644
--- a/Src/Graphics/New3D/New3D.cpp
+++ b/Src/Graphics/New3D/New3D.cpp
@@ -425,10 +425,12 @@ void CNew3D::RenderFrame(void)
 
 			m_r3dShader.DiscardAlpha(false);
 
+			m_r3dFrameBuffers.StoreDepth();
 			m_r3dShader.SetLayer(Layer::trans1);
 			m_r3dFrameBuffers.SetFBO(Layer::trans1);
 			RenderScene(pri, renderOverlay, Layer::trans1);
 
+			m_r3dFrameBuffers.RestoreDepth();
 			m_r3dShader.SetLayer(Layer::trans2);
 			m_r3dFrameBuffers.SetFBO(Layer::trans2);
 			RenderScene(pri, renderOverlay, Layer::trans2);
diff --git a/Src/Graphics/New3D/R3DFrameBuffers.cpp b/Src/Graphics/New3D/R3DFrameBuffers.cpp
index 7461b01..5f145a2 100644
--- a/Src/Graphics/New3D/R3DFrameBuffers.cpp
+++ b/Src/Graphics/New3D/R3DFrameBuffers.cpp
@@ -277,7 +277,10 @@ void R3DFrameBuffers::AllocShaderTrans()
 			
 		// if both transparency layers overlap, the result is opaque
 		if (colTrans1.a * colTrans2.a > 0.0) {
-			vec3 mixCol = mix(colTrans1.rgb, colTrans2.rgb, (colTrans2.a + (1.0 - colTrans1.a)) / 2.0);
+
+			// are the two lines functionally identical? Need to check.
+			//vec3 mixCol = mix(colTrans1.rgb, colTrans2.rgb, (colTrans2.a + (1.0 - colTrans1.a)) / 2.0);
+			vec3 mixCol = (((colTrans1.rgb * colTrans1.a) + (colTrans2.rgb * (1.0-colTrans1.a))) + ((colTrans2.rgb * colTrans2.a) + (colTrans1 .rgb * (1.0-colTrans2.a)))) / 2.0;
 			fragColor = vec4(mixCol, 1.0);
 		}
 		else if (colTrans1.a > 0.0) {