diff --git a/src/VDFilters/source/VFBlendLayers.cpp b/src/VDFilters/source/VFBlendLayers.cpp
index 974aff91..f97c839c 100644
--- a/src/VDFilters/source/VFBlendLayers.cpp
+++ b/src/VDFilters/source/VFBlendLayers.cpp
@@ -49,7 +49,9 @@ namespace {
 		L"Pin Light",
 		L"Hard Mix",
 		L"Difference",
-		L"Exclusion"
+		L"Exclusion",
+		L"Subtract",
+		L"Divide
 	};
 }
 
@@ -73,6 +75,8 @@ struct VDVFBlendLayersConfig {
 		kMode_HardMix,
 		kMode_Difference,
 		kMode_Exclusion,
+		kMode_Subtract,
+		kMode_Divide,
 		kModeCount
 	};
 
@@ -396,6 +400,17 @@ void VDVFBlendLayers::Run() {
 		case VDVFBlendLayersConfig::kMode_Exclusion:
 			VDDSPProcessPlane3(dstp, dstpitch, srcp1, src1pitch, srcp2, src2pitch, w16, h, VDDSPBlend8_Exclusion);
 			break;
+
+		case VDVFBlendLayersConfig::kMode_Subtract:
+			if (sse2)
+				VDDSPProcessPlane3(dstp, dstpitch, srcp1, src1pitch, srcp2, src2pitch, w16, h, VDDSPBlend8_Subtract_SSE2);
+			else
+				VDDSPProcessPlane3(dstp, dstpitch, srcp1, src1pitch, srcp2, src2pitch, w16, h, VDDSPBlend8_Subtract);
+			break;
+
+		case VDVFBlendLayersConfig::kMode_Divide:
+			VDDSPProcessPlane3(dstp, dstpitch, srcp1, src1pitch, srcp2, src2pitch, w16, h, VDDSPBlend8_Divide);
+			break;
 	}
 
 	if (factor8 != 255)
@@ -497,6 +512,16 @@ void VDVFBlendLayers::StartAccel(IVDXAContext *vdxa) {
 			bytecode = kVDVFBlendLayersFP_Exclusion;
 			bclen = sizeof kVDVFBlendLayersFP_Exclusion;
 			break;
+
+		case VDVFBlendLayersConfig::kMode_Subtract:
+			bytecode = kVDVFBlendLayersFP_Subtract;
+			bclen = sizeof kVDVFBlendLayersFP_Subtract;
+			break;
+
+		case VDVFBlendLayersConfig::kMode_Divide:
+			bytecode = kVDVFBlendLayersFP_Divide;
+			bclen = sizeof kVDVFBlendLayersFP_Divide;
+			break;
 	}
 
 	mVDXAShader = vdxa->CreateFragmentProgram(kVDXAPF_D3D9ByteCodePS20, bytecode, bclen);
diff --git a/src/VDFilters/source/VFBlendLayers.vdshaders b/src/VDFilters/source/VFBlendLayers.vdshaders
index ddeecf8c..a05fb411 100644
--- a/src/VDFilters/source/VFBlendLayers.vdshaders
+++ b/src/VDFilters/source/VFBlendLayers.vdshaders
@@ -294,3 +294,35 @@ kVDVFBlendLayersFP_Exclusion::
 		
 		return c0 + (c1 - 2.0h*c0*c1) * (half)opacity;
 	}
+
+kVDVFBlendLayersFP_Subtract::
+	extern sampler2D src0 : register(s0);
+	extern sampler2D src1 : register(s1);
+	extern float opacity : register(c0);
+
+	half4 main(
+		float4 uv0 : TEXCOORD0,
+		float4 uv1 : TEXCOORD1
+		) : COLOR0
+	{
+		half4 c0 = tex2D(src0, uv0.xy);
+		half4 c1 = tex2D(src1, uv1.xy);
+		
+		return max(0.0h, c0 - c1) * (half)opacity;
+	}
+
+kVDVFBlendLayersFP_Divide::
+	extern sampler2D src0 : register(s0);
+	extern sampler2D src1 : register(s1);
+	extern float opacity : register(c0);
+
+	half4 main(
+		float4 uv0 : TEXCOORD0,
+		float4 uv1 : TEXCOORD1
+		) : COLOR0
+	{
+		half4 c0 = tex2D(src0, uv0.xy);
+		half4 c1 = tex2D(src1, uv1.xy);
+		
+		return lerp(c0, min(1.0h, c0 / c1), (half)opacity);
+	}