diff --git a/plugins/GSdx/res/convert.fx b/plugins/GSdx/res/convert.fx
index 47b954adea..814b179b47 100644
--- a/plugins/GSdx/res/convert.fx
+++ b/plugins/GSdx/res/convert.fx
@@ -352,4 +352,23 @@ PS_OUTPUT ps_main17(PS_INPUT input)
 	return output;
 }
 
+// DUMMY
+PS_OUTPUT ps_main18(PS_INPUT input)
+{
+	PS_OUTPUT output;
+
+	output.c = input.p;
+
+	return output;
+}
+
+PS_OUTPUT ps_main19(PS_INPUT input)
+{
+	PS_OUTPUT output;
+
+	output.c = input.c * float4(1.0, 1.0, 1.0, sample_c(input.t).r);
+
+	return output;
+}
+
 #endif