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


#include "common_vs_fxc.h"

struct VS_INPUT
{
	float3 vPos						: POSITION;
	float2 vBaseTexCoord			: TEXCOORD0;
	float4 lightColor_InnerCos : TEXCOORD1;
	float4 lightDir_OuterCos    : TEXCOORD2;
	float3 lightOrigin          : TEXCOORD3;
	float4 attnInfo             : TEXCOORD4;
	float3 col : TEXCOORD5;

};

struct VS_OUTPUT
{
    float4 projPos					: POSITION;	
	float2 texCoord				: TEXCOORD0;
	float4 lightColor_InnerCos : TEXCOORD1;
	float4 lightDir_OuterCos    : TEXCOORD2;
	float3 lightOrigin          : TEXCOORD3;
	float4 attnInfo             : TEXCOORD4;
	float3 SampleXYW            : TEXCOORD5;
	float3 col : TEXCOORD6;

};

float4 Texel_Sizes : register (SHADER_SPECIFIC_CONST_0);

VS_OUTPUT main( const VS_INPUT v )
{

	VS_OUTPUT o;

	o.projPos = float4( v.vPos, 1.0f );
	//o.projPos.xyzw = mul( float4( v.vPos.xyz, 1.0f ), cModelViewProj );

	float2 vSamplePos;
	vSamplePos.x = o.projPos.x;
	vSamplePos.y = -o.projPos.y; // invert Y
	vSamplePos = (vSamplePos + o.projPos.w) * 0.5f;
	o.SampleXYW = float3( vSamplePos.x, vSamplePos.y, o.projPos.w );

	o.texCoord = v.vBaseTexCoord;

	o.lightColor_InnerCos = v.lightColor_InnerCos;
	o.lightDir_OuterCos = v.lightDir_OuterCos;
	o.lightOrigin = v.lightOrigin;
	o.col = v.col;
	o.attnInfo = v.attnInfo;
	return o;
}