#include "common.h"

struct 	v2p
{
 	float2 	tc0	: 	TEXCOORD0;	// base
	float4	c	:	COLOR0;		// diffuse

#ifdef	USE_SOFT_PARTICLES
//	Igor: for additional depth dest
	float4 tctexgen	: TEXCOORD1;
#endif	//	USE_SOFT_PARTICLES

	float4 hpos	: SV_Position;
};


//////////////////////////////////////////////////////////////////////////////////////////
// Pixel
Texture2D s_distort;
float4 main ( v2p I ) : SV_Target
{
//	float4	distort	= tex2D		(s_distort,I.tc0);
	float4	distort	= s_distort.Sample( smp_linear, I.tc0 );
	float    factor	= distort.a * dot(I.c.rgb,0.33h);	
/*
#ifdef	USE_SOFT_PARTICLES
	float2	zero = float2( 0.5, 0.5);
	float	alphaDistort;
	float2 tcProj = I.txtexgen.xy / I.texgen.w;
#ifdef GBUFFER_OPTIMIZATION
	gbuffer_data gbd = gbuffer_load_data( tcProj, I.HPos );
#else
	gbuffer_data gbd = gbuffer_load_data( tcProj );
#endif
	//float4 _P = tex2Dproj( s_position, I.tctexgen);
	float4 _P = float4( gbd.P, gbd.mtl );
	float spaceDepth = _P.z - I.tctexgen.z;
	if (spaceDepth < -0.1h ) spaceDepth = 100000.0h; //  Skybox doesn't draw into position buffer
	alphaDistort = saturate(1.3*spaceDepth);
//	alphaDistort = 0;
	distort.xy = lerp  ( zero, distort.xy, alphaDistort);
#endif	//	USE_SOFT_PARTICLES
*/
	return	float4	(distort.rgb,factor);
}