#include "common.h"

struct 	v2p
{
 	half2 	tc0: 		TEXCOORD0;	// base
 	half2 	tc1: 		TEXCOORD1;	// base
 	half2 	tc2: 		TEXCOORD2;	// base
 	half2 	tc3: 		TEXCOORD3;	// base
};

uniform sampler2D 	s_base0;
uniform sampler2D 	s_base1;
uniform sampler2D 	s_base2;
uniform sampler2D 	s_base3;

//////////////////////////////////////////////////////////////////////////////////////////
// Pixel
half4 	main_ps_1_1	( v2p I )	: COLOR
{
	half4	t_0 	= tex2D		(s_base0,I.tc0);
	half4	t_1 	= tex2D		(s_base1,I.tc1);
	half4	t_2 	= tex2D		(s_base2,I.tc2);
	half4	t_3 	= tex2D		(s_base3,I.tc3);
	
	// out
	return  ((t_0+t_1)*.5 + (t_2+t_3)*.5)*.5;
}