//========== Copyright (c) Valve Corporation, All rights reserved. ==========//

#include "common_ps_fxc.h"

sampler InputTexture	: register( s0 );
sampler Albedo	: register( s1 );
sampler Normal	: register( s2 );

struct PS_INPUT
{
	float2 texCoord				: TEXCOORD0;
};


float4 main( PS_INPUT i ) : COLOR
{
	float3 normal = tex2D( Normal, i.texCoord );
	float good = dot( normal, normal ) > 0.9;
	float3 input=tex2D( InputTexture, i.texCoord );
	float3 albedo=tex2D( Albedo, i.texCoord );
	input=lerp( albedo, input, good );
	return FinalOutput( float4(input.xyz,1), 0, PIXEL_FOG_TYPE_NONE, TONEMAP_SCALE_NONE );
}