// DYNAMIC: "PIXELFOGTYPE"				"0..0"

// STATIC: "CONVERT_TO_SRGB" "0..1"	[ps20b][= g_pHardwareConfig->NeedsShaderSRGBConversion()]

#include "common_ps_fxc.h"

Texture2D YTexture : register(t0);
SamplerState YSampler : register( s0 );

Texture2D cRTexture : register(t1);
SamplerState cRSampler : register( s1 );

Texture2D cBTexture : register(t2);
SamplerState cBSampler : register( s2 );

struct PS_INPUT
{
	HALF2 baseTexCoord : TEXCOORD0;
	//HALF4 worldPos_projPosZ : TEXCOORD1;
	//float4 fogFactorW : COLOR1;
};

float4 main( PS_INPUT i ) : SV_TARGET
{
	half y, cR, cB;
	y = YTexture.Sample( YSampler, i.baseTexCoord.xy );
	cR = cRTexture.Sample( cRSampler, i.baseTexCoord.xy );
	cB = cBTexture.Sample( cBSampler, i.baseTexCoord.xy );

	HALF4 c;
	c = float4( y, cR, cB, 1.0f );

	float4 tor = float4( 1.164123535f,  1.595794678f,  0.0f,         -0.87065506f );
	float4 tog = float4( 1.164123535f, -0.813476563f, -0.391448975f,  0.529705048f );
	float4 tob = float4( 1.164123535f,  0.0f,          2.017822266f, -1.081668854f );

	HALF4 rgba;

	rgba.r = dot( c, tor );
	rgba.g = dot( c, tog );
	rgba.b = dot( c, tob );
	rgba.a = 1.0f;

	//float fogFactor = CalcPixelFogFactor( PIXELFOGTYPE, g_FogParams, g_EyePos_SpecExponent.z, i.worldPos_projPosZ.z, i.worldPos_projPosZ.w );
	float4 result = rgba;

	return result;
}