#include "common.h"
#include "lmodel.h"
#include "shadow.h"


Texture2D	s_water;

float4 main ( float2 tc : TEXCOORD0, float2 tcJ : TEXCOORD1, float4 pos2d : SV_Position ) : SV_Target
{

	gbuffer_data gbd = gbuffer_load_data( tc, pos2d );

	float4 _P = float4( gbd.P, 1.0 );
	float4 PS = mul( m_shadow,  _P );

	float s	= shadow(PS, pos2d.xy);

	float2 tc1	= mul( m_sunmask, _P );		//

	tc1 /= 2;
	tc1 = frac(tc1);

	float4 water = s_water.SampleLevel( smp_linear, tc1, 0 );

	water.xyz = (water.xzy-0.5)*2;
	water.xyz = mul( m_V, water.xyz );
	water *= s;

	return float4(water.xyz,s);
}