csgo/cstrike15_src/materialsystem/stdshaders/unlitworld_screensample_vs20.fxc

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

// DYNAMIC: "SKINNING"					"0..1"
// DYNAMIC: "COMPRESSED_VERTS"			"0..1"

#include "common_vs_fxc.h"

const float4 g_baseTextureTransform[2]	: register( SHADER_SPECIFIC_CONST_0 ); // 0 & 1

static const bool g_bSkinning			= SKINNING ? true : false;

struct VS_INPUT
{
	float4 vPos							: POSITION;
	float2 vTexCoord					: TEXCOORD0;

	float4 vNormal						: NORMAL;
	float4 vTangent						: TANGENT;
	float4 vBoneWeights					: BLENDWEIGHT;
	float4 vBoneIndices					: BLENDINDICES;
};

struct VS_OUTPUT
{
	float4 vProjPos_POSITION			: POSITION;

	//float4 lightAtten					: TEXCOORD2;
	
	float3 worldPos						: TEXCOORD3;
	float3x3 tangentSpaceTranspose		: TEXCOORD4;
	//	     second row					: TEXCOORD5;
	//	     third row					: TEXCOORD6;
	float4 vProjPos						: TEXCOORD7;
};

// Main
VS_OUTPUT main( const VS_INPUT i )
{
	VS_OUTPUT o;

	float4 vPosition, vTangent;
	float3 vNormal, worldPos, worldNormal, worldTangentS, worldTangentT;

	vPosition = i.vPos;

	// Perform skinning
	DecompressVertex_NormalTangent( i.vNormal, i.vTangent, vNormal, vTangent );
	SkinPositionNormalAndTangentSpace( g_bSkinning, vPosition, vNormal, vTangent,
										i.vBoneWeights, i.vBoneIndices, worldPos,
										worldNormal, worldTangentS, worldTangentT );
	worldTangentS = normalize( worldTangentS );
	worldTangentT = normalize( worldTangentT );
	worldNormal   = normalize( worldNormal );
	
	// Tangent space transform
	o.tangentSpaceTranspose[0].xyz = float3( worldTangentS.x, worldTangentT.x, worldNormal.x );
	o.tangentSpaceTranspose[1].xyz = float3( worldTangentS.y, worldTangentT.y, worldNormal.y );
	o.tangentSpaceTranspose[2].xyz = float3( worldTangentS.z, worldTangentT.z, worldNormal.z );

	o.worldPos = worldPos;
	o.vProjPos = o.vProjPos_POSITION = mul( float4( worldPos, 1.0f ), cViewProj );
	
	//o.lightAtten.x = GetVertexAttenForLight( worldPos, 0, false );
	//o.lightAtten.y = GetVertexAttenForLight( worldPos, 1, false );
	//o.lightAtten.z = GetVertexAttenForLight( worldPos, 2, false );
	//o.lightAtten.w = GetVertexAttenForLight( worldPos, 3, false );

	//o.vBaseUV_PatternUV.xy = i.vTexCoord;
    //
	//o.vBaseUV_PatternUV.z =		dot ( i.vTexCoord, g_baseTextureTransform[0].xy )		+ g_baseTextureTransform[0].w;
	//o.vBaseUV_PatternUV.w =		dot ( i.vTexCoord, g_baseTextureTransform[1].xy )		+ g_baseTextureTransform[1].w;
    //
	//o.vWearUV_GrungeUV.x =		dot ( i.vTexCoord, g_wearTexCoordTransform[0].xy )		+ g_wearTexCoordTransform[0].w;
	//o.vWearUV_GrungeUV.y =		dot ( i.vTexCoord, g_wearTexCoordTransform[1].xy )		+ g_wearTexCoordTransform[1].w;
    //
	//o.vWearUV_GrungeUV.z =		dot ( i.vTexCoord, g_grungeTexCoordTransform[0].xy )	+ g_grungeTexCoordTransform[0].w;
	//o.vWearUV_GrungeUV.w =		dot ( i.vTexCoord, g_grungeTexCoordTransform[1].xy )	+ g_grungeTexCoordTransform[1].w;

	return o;

}