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diff --git a/src/demos/dualDepthPeeling/shader/dual_peeling_final.fp b/src/demos/dualDepthPeeling/shader/dual_peeling_final.fp
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+++ b/src/demos/dualDepthPeeling/shader/dual_peeling_final.fp
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+//--------------------------------------------------------------------------------------
+// Order Independent Transparency with Dual Depth Peeling
+//
+// Author: Louis Bavoil
+// Email: [email protected]
+//
+// Copyright (c) NVIDIA Corporation. All rights reserved.
+//--------------------------------------------------------------------------------------
+
+uniform samplerRECT DepthBlenderTex;
+uniform samplerRECT FrontBlenderTex;
+uniform samplerRECT BackBlenderTex;
+
+void main(void)
+{
+	vec4 frontColor = textureRect(FrontBlenderTex, gl_FragCoord.xy);
+	vec3 backColor = textureRect(BackBlenderTex, gl_FragCoord.xy).rgb;
+	float alphaMultiplier = 1.0 - frontColor.w;
+
+	// front + back
+	gl_FragColor.rgb = frontColor + backColor * alphaMultiplier;
+	
+	// front blender
+	//gl_FragColor.rgb = frontColor + vec3(alphaMultiplier);
+	
+	// back blender
+	//gl_FragColor.rgb = backColor;
+}