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

#include "common_ps_fxc.h"

struct PS_INPUT
{
	float2 coordTap0		: TEXCOORD0;
  	float4 vertexColor      : TEXCOORD1;
};

float4 Constant_color : register( c0 );

sampler TexSampler	: register( s0 );

float4 main( PS_INPUT i ) : COLOR
{
  float flDepth = tex2D( TexSampler, i.coordTap0 ).r;
  flDepth = flDepth * Constant_color.x + Constant_color.y;
  
  float4 vOutputColor = float4( flDepth, flDepth, flDepth, 1.0f);

  // Slamming output alpha to 1.0f because screenspace_general always enables alpha testing (argh)
  vOutputColor.a = 1.0f;
    
  return FinalOutput( vOutputColor, 0, PIXEL_FOG_TYPE_NONE, TONEMAP_SCALE_NONE ); //Constant_color;
}