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

// STATIC: "SFM"						"0..0" [vs20] [PC]
// STATIC: "SFM"						"0..1" [vs30] [PC]
// STATIC: "SFM"						"0..0" [CONSOLE]

// STATIC: "VERTEXCOLOR"					"0..1"
// STATIC: "CUBEMAP"						"0..1"
// STATIC: "HALFLAMBERT"					"0..1"
// STATIC: "FLASHLIGHT"						"0..1"

// disable separate detail UVs & seamless base/detail (does not appear to be used)
// STATIC: "SEPARATE_DETAIL_UVS"			"0..0"
// STATIC: "SEAMLESS_BASE"					"0..0"
// STATIC: "SEAMLESS_DETAIL"				"0..0"

// STATIC: "DECAL"							"0..1"
// STATIC: "LIGHTING_PREVIEW"				"0..1"	[PC]		// Disabled. Unused on CS:GO --Thorsten
// STATIC: "LIGHTING_PREVIEW"				"0..0" [CONSOLE]

// STATIC: "TREESWAY"						"0..0" [vs20] [PC]
// STATIC: "TREESWAY"						"0..2" [vs30] [PC]
// STATIC: "FLATTEN_STATIC_CONTROL_FLOW"	"0..1" [vs20] [PC]
// STATIC: "FLATTEN_STATIC_CONTROL_FLOW"	"0..0" [CONSOLE]

// STATIC: "CASCADED_SHADOW_MAPPING"		"0..1" [vs20] [PC]
// STATIC: "CASCADED_SHADOW_MAPPING"		"0..0" [vs30] [PC]

// STATIC: "CSM_BLENDING"					"0..1"

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

// DYNAMIC: "MORPHING"						"0..0" [ = false ]
// DYNAMIC: "TESSELLATION"					"0..0" [vs30] [PC]
// DYNAMIC: "TESSELLATION"					"0..0" [CONSOLE]
// DYNAMIC: "TESSELLATION"					"0..0" [vs20] [PC]
// DYNAMIC: "NUM_LIGHTS"					"0..2" [vs20] [PC]
// DYNAMIC: "NUM_LIGHTS"					"0..0" [vs20] [CONSOLE]
// DYNAMIC: "STATICLIGHT3"					"0..2" 

// If using static control flow on Direct3D, we should use the NUM_LIGHTS=0 combo
//  SKIP: ( $FLATTEN_STATIC_CONTROL_FLOW == 0 ) && ( $NUM_LIGHTS > 0 ) [vs20] [PC]

//	SKIP: ($SEPARATE_DETAIL_UVS) && ($SEAMLESS_DETAIL)
//	SKIP: ($TREESWAY) && ($MORPHING)
//	SKIP: ($TREESWAY) && ($TESSELLATION)
//	SKIP: ( $TREESWAY ) && ( $SEAMLESS_DETAIL || $SEAMLESS_BASE )

//	SKIP: ( $SFM == 0 ) && ( $MORPHING )
//	SKIP: ( $SFM == 0 ) && ( $TESSELLATION )

// This blows instruction limits and isn't used
// That is, non-static-control flow is only on MacOS, which doesn't use HARDWAREFOGBLEND
// SKIP: ( $FLATTEN_STATIC_CONTROL_FLOW == 1 ) && ( $HARDWAREFOGBLEND )

#include "common_fog_vs_supportsvertexfog_fxc.h"

// When tessellating, we don't have room in the super-prim vertices for more colors, tex coords or objects space positions
// SKIP: ( $STATICLIGHT3 || $VERTEXCOLOR || $SEAMLESS_BASE || $SEAMLESS_DETAIL || $SEPARATE_DETAIL_UVS || $MORPHING || $SKINNING || $COMPRESSED_VERTS ) && $TESSELLATION
#include "common_vs_fxc.h"

static const bool g_bSkinning		= SKINNING ? true : false;
static const int  g_FogType			= DOWATERFOG;
static const bool g_bVertexColor	= VERTEXCOLOR ? true : false;
static const bool g_bCubemap		= CUBEMAP ? true : false;
static const bool g_bFlashlight		= FLASHLIGHT ? true : false;
static const bool g_bHalfLambert	= HALFLAMBERT ? true : false;
#if (defined( SHADER_MODEL_VS_3_0 ) && MORPHING && DECAL)
static const bool g_bDecalOffset	= true;
#else
static const bool g_bDecalOffset	= false;
#endif

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

#if ( LIGHTING_PREVIEW == 3 )
	const float4 g_vEyeVector					: register( SHADER_SPECIFIC_CONST_2 );
	#define g_flStaticLightEnabled 0
#else
	const float4 g_flStaticLightEnabled_vCSMLightColor	: register( SHADER_SPECIFIC_CONST_2 );
	#define g_flStaticLightEnabled (g_flStaticLightEnabled_vCSMLightColor.x)
	#define g_vCSMLightColor (g_flStaticLightEnabled_vCSMLightColor.yzw)
#endif

#if ( CASCADED_SHADOW_MAPPING == 0 )
	const float4 g_vMiscParams1				: register( SHADER_SPECIFIC_CONST_3 );

	#if ( SEAMLESS_DETAIL || SEAMLESS_BASE )
		#define SEAMLESS_SCALE g_vMiscParams1.x
	#elif TESSELLATION
		#define g_SubDControls g_vMiscParams1
	#endif
#endif // CASCADED_SHADOW_MAPPING

const float4 cDetailTexCoordTransform[2]	: register( SHADER_SPECIFIC_CONST_4 );	// 4 & 5
const float4x4 g_FlashlightWorldToTexture	: register( SHADER_SPECIFIC_CONST_6 ); // 6, 7, 8, 9

const float4 g_vMiscParams2					: register( SHADER_SPECIFIC_CONST_12 );
#define cSinglePassFlashlight g_vMiscParams2.x

const float4 g_vMiscParams3					: register( SHADER_SPECIFIC_CONST_10 );
const float4 g_vMiscParams4					: register( SHADER_SPECIFIC_CONST_11 );

#if ( CASCADED_SHADOW_MAPPING )
const float4x4 g_matWorldToShadowTexMatrices[2] : register( SHADER_SPECIFIC_CONST_CSM_0 );
const float4 g_matWorldToShadowTexMatrix0_z : register( SHADER_SPECIFIC_CONST_CSM_1 );
#endif

#if ( TREESWAY )
	#define g_flTime g_vMiscParams2.y
	#define g_vWindDir g_vMiscParams2.zw

	#define g_flFastSwaySpeedScale g_vMiscParams1.x
	#define g_flScrumbleFalloffCurve g_vMiscParams1.y
	#define g_flSwayFalloffCurve g_vMiscParams1.z
	#define g_flScrumbleSpeed g_vMiscParams1.w

	#define g_flHeight g_vMiscParams3.x
	#define g_flStartHeight g_vMiscParams3.y
	#define g_flRadius g_vMiscParams3.z
	#define g_flStartRadius g_vMiscParams3.w

	#define g_flSwaySpeed g_vMiscParams4.x
	#define g_flSwayIntensity g_vMiscParams4.y
	#define g_flScrumbleWaveCount g_vMiscParams4.z
	#define g_flScrumbleIntensity g_vMiscParams4.w

	#define g_flWindSpeedLerpStart cDetailTexCoordTransform[0].x
	#define g_flWindSpeedLerpEnd cDetailTexCoordTransform[0].y
#endif

#if ( MORPHING )
	// NOTE: cMorphTargetTextureDim.xy = target dimensions,
	//		 cMorphTargetTextureDim.z = 4tuples/morph
	#define cMorphTargetTextureDim g_vMiscParams3
	#define cMorphSubrect g_vMiscParams4
	sampler2D morphSampler						: register( s0 );
#endif

#if ( TESSELLATION )

	// VS_INPUT defined in header
	#include "tessellation_vs_fxc.h"
	sampler2D BezierSampler						: register( s1 );
	sampler2D DispSampler						: register( s2 );

#else // no TESSELLATION

	struct VS_INPUT
	{
		float4 vPos				: POSITION;
		float4 vBoneWeights		: BLENDWEIGHT;
		float4 vBoneIndices		: BLENDINDICES;
		float4 vNormal			: NORMAL;

		#if VERTEXCOLOR
			float4 vColor			: COLOR0;
		#else
			#if DECAL
				float4 vStaticLight		: COLOR0;
			#else
				float4 vStaticLight		: COLOR1;
			#endif
			#if STATICLIGHT3
				float4 vStaticLight2		: COLOR2;
				float4 vStaticLight3		: COLOR3;
			#endif
		#endif

		// make these float2's and stick the [n n 0 1] in the dot math.
		float4 vTexCoord0		: TEXCOORD0;
		float4 vTexCoord1		: TEXCOORD1;
		float4 vTexCoord2		: TEXCOORD2;
		float4 vTexCoord3		: TEXCOORD3;
	
		// Position and normal/tangent deltas
		float3 vPosFlex			: POSITION1;
		float3 vNormalFlex		: NORMAL1;
		#if ( SFM )
			float vVertexID			: POSITION2;
		#endif
	};

#endif // TESSELLATION


struct VS_OUTPUT
{
	// Stuff that isn't seen by the pixel shader
	float4 projPos										: POSITION;	
#if !defined( _X360 ) && !defined( SHADER_MODEL_VS_3_0 )
	float  fog											: FOG;
#endif
	
	// Stuff that is seen by the pixel shader
	float4 baseTexCoord_baseTexCoord2u					: TEXCOORD0;	// Base texture coordinates in .xy, seamless in .xyz, 2nd (decal) uv set 'u' in .w
	float4 detailTexCoord_baseTexCoord2v				: TEXCOORD1;	// Detail texture coordinates in .xy, seamless in .xyz, 2nd (decal) uv set 'v' in .w

	float4 vWorldNormal_fogFactorW						: TEXCOORD2;	// world space normal in .xyz, fog factor in .w

	float4 vWorldPos_csmXform0z							: TEXCOORD3;	// world pos in .xyz, csm lightToWorldxformcascade0.z in .w

	float4 directionalLightingColor_flShadowDimScalar	: TEXCOORD4;

	float4 csmXform0or1_csmXform2						: TEXCOORD5;	// csm lightToWorldxformcascade0 or 1.xy in .xy lightToWorldxformcascade2.xy in .zw
	float4 color  										: TEXCOORD6;	// vertex color from lighting or unlit in .xyz

	float4 vProjPos										: TEXCOORD7;	// proj pos .xyzw

#if FLASHLIGHT && defined( SHADER_MODEL_VS_3_0 )
	float4 flashlightSpacePos							: TEXCOORD8;
#endif

#if SEAMLESS_DETAIL || SEAMLESS_BASE
	float3 SeamlessWeights								: COLOR0;			// x y z projection weights
#endif
};


#include "tree_sway.h"

float Luminance( float3 cColor )
{
	// Formula for calculating luminance based on NTSC standard
	return dot( cColor.rgb, float3( 0.2125, 0.7154, 0.0721 ) );
}

VS_OUTPUT main( const VS_INPUT v )
{
	VS_OUTPUT o = ( VS_OUTPUT ) 0 ;

	bool bDynamicLight = DYNAMIC_LIGHT ? true : false;
	bool bStaticLight = g_flStaticLightEnabled ? true : false;
	bool bDoLighting = !g_bVertexColor && ( bDynamicLight || bStaticLight);

	float3 worldPos;

	#if ( TESSELLATION )
	{
		EvaluateSubdivisionSurface( v, g_SubDControls.x, g_SubDControls.y, g_SubDControls.z,
									BezierSampler, DispSampler,
								    o.vWorldNormal_fogFactorW.xyz, worldPos,
									o.baseTexCoord_baseTexCoord2u.xy, o.detailTexCoord_baseTexCoord2v.xy );

		float3 vDummySpecular = float3(0,0,0);
		o.color_csmXform0z.xyz = DoLighting( worldPos, o.vWorldNormal_fogFactorW.xyz, vDummySpecular, bStaticLight, bDynamicLight, g_bHalfLambert );
	}
	#else // no TESSELLATION
	{
		float4 vPosition = v.vPos;
		float3 vNormal = 0;

		if ( bDoLighting || FLASHLIGHT || SEAMLESS_BASE || SEAMLESS_DETAIL || LIGHTING_PREVIEW || g_bDecalOffset || CUBEMAP )
		{
			// The vertex only contains valid normals if they are actually needed (fetching them when absent makes D3D complain)
			DecompressVertex_Normal( v.vNormal, vNormal );
		}
		else
		{
			if ( SEAMLESS_BASE || SEAMLESS_DETAIL || g_bDecalOffset || g_bFlashlight )
			{
				// The vertex only contains valid normals if they are actually needed (fetching them when absent makes D3D complain)
				DecompressVertex_Normal( v.vNormal, vNormal );
			}
		}
	
		#if ( SEAMLESS_BASE || SEAMLESS_DETAIL )
		{
			// compute blend weights in rgb
			float3 NNormal = normalize( vNormal );
			o.SeamlessWeights.xyz = NNormal * NNormal;				// sums to 1.
		}
		#endif
	
		#if ( !MORPHING )
		{
			ApplyMorph( v.vPosFlex, v.vNormalFlex, vPosition.xyz, vNormal );
		}
		#else
		{
			ApplyMorph( morphSampler, cMorphTargetTextureDim, cMorphSubrect, v.vVertexID, v.vTexCoord2, vPosition.xyz, vNormal );
		}
		#endif
	  
		#if ( TREESWAY )
		{
			vPosition.xyz = ComputeTreeSway( vPosition.xyz, g_flTime );
		}
		#endif

		SkinPositionAndNormal( g_bSkinning, vPosition, vNormal, v.vBoneWeights, v.vBoneIndices, worldPos, o.vWorldNormal_fogFactorW.xyz );

		if ( !g_bVertexColor )
		{
			o.vWorldNormal_fogFactorW.xyz = normalize( o.vWorldNormal_fogFactorW.xyz );
		}

		#if ( MORPHING && DECAL )
		{
			// Avoid z precision errors
			worldPos += o.vWorldNormal_fogFactorW.xyz * 0.05f * v.vTexCoord2.z;
		}
		#endif

		o.color = float4( 0.0f, 0.0f, 0.0f, 0.0f );
		
		#if ( !FLASHLIGHT ) && ( defined( _GAMECONSOLE ) || defined ( SHADER_MODEL_VS_3_0 ) || ( CASCADED_SHADOW_MAPPING == 1 ) )
		{
			o.directionalLightingColor_flShadowDimScalar = float4( 0.0f, 0.0f, 0.0f, 0.0f );
		}
		#endif

		#if ( VERTEXCOLOR )
		{
			// Assume that this is unlitgeneric if you are using vertex color.
			o.color.rgb = GammaToLinear( v.vColor.rgb );
			o.color.a = v.vColor.a;
		}
		#else
		{
			float4 staticLightColor;

			float3 vDirectLighting = float3(0.0f, 0.0f, 0.0f);

			// Compute vertex lighting
			#if ( STATICLIGHT3 != 0 )
			{
				// We always assume three incoming streams.
				// They will not be equal if bumped data is taking this path as part of a lower gpu_level setting. 
				// They will be equal otherwise.
				// Take the average of incoming streams for PS to use (after converting to linear space).  
				staticLightColor.rgb = GammaToLinear( v.vStaticLight.rgb * cOverbright );
				staticLightColor.rgb += GammaToLinear( v.vStaticLight2.rgb * cOverbright );
				staticLightColor.rgb += GammaToLinear( v.vStaticLight3.rgb * cOverbright );
				// .a already in linear space
				staticLightColor.a = ( v.vStaticLight.a + v.vStaticLight2.a + v.vStaticLight3.a );

				staticLightColor /= 3.0f;

				#if ( ( FLATTEN_STATIC_CONTROL_FLOW == 0 ) || defined ( SHADER_MODEL_VS_3_0 ) )
				{
					float3 dynamicLighting = float3( 0.0f, 0.0f, 0.0f );

					#if ( STATICLIGHT3 == 1 )

						// explicitly add dynamic lights (without adding ambient cube)
						if ( bDynamicLight )
						{
							for ( int i = 0; i < g_nLightCount; i++ )
							{
								dynamicLighting += DoLightInternal( worldPos, o.vWorldNormal_fogFactorW.xyz, i, g_bHalfLambert );
							}	
						}

						// Sunlight light baked into static light. 
						#if ( CSM_BLENDING == 1 )
							// Remove sunlight from baked lighting, leaving only indirect.
							o.directionalLightingColor_flShadowDimScalar.rgb = g_vCSMLightColor * staticLightColor.a;
							staticLightColor.rgb -= o.directionalLightingColor_flShadowDimScalar.rgb;
						#else
							o.directionalLightingColor_flShadowDimScalar.rgb = float3( 0.0f, 0.0f, 0.0f );
						#endif
					#else

						// STATICLIGHT3 == 2 => indirect lighting only is baked (model classified as phong as far as static lighting is concerned if any materials contain $phong)
						
						// explicitly add dynamic lights (without adding ambient cube)
						// dynamic lighting, 0th light is CSM light in this path. We skip it and apply in the pixel shader using baked direct lighting intensity
						// stored in o.directionalLightingColor_flShadowDimScalar.a (from baked lighting data)
						for ( int i = 0; i < g_nLightCount; i++ )
						{
							if (i > 0)		// starting loop at i == 1 causes warning about forcing the loop to unroll
							{
								dynamicLighting.rgb += DoLightInternal( worldPos, o.vWorldNormal_fogFactorW.xyz, i, g_bHalfLambert );
							}
						}	
						o.directionalLightingColor_flShadowDimScalar.rgb = cLightInfo[0].color.rgb * staticLightColor.a;
					#endif

					o.color.rgb = staticLightColor.rgb + dynamicLighting.rgb;
				}
				#else
				{
					float3 dynamicLighting = float3( 0.0f, 0.0f, 0.0f );

					#if ( STATICLIGHT3 == 1 )
						// explicitly add dynamic lights (without adding ambient cube)
						if( bDynamicLight )			// Ambient light
						{
							if ( NUM_LIGHTS >= 1 )
								dynamicLighting += DoLightInternal( worldPos, o.vWorldNormal_fogFactorW.xyz, 0, g_bHalfLambert );
							if ( NUM_LIGHTS >= 2 )
								dynamicLighting += DoLightInternal( worldPos, o.vWorldNormal_fogFactorW.xyz, 1, g_bHalfLambert );
							if ( NUM_LIGHTS >= 3 )
								dynamicLighting += DoLightInternal( worldPos, o.vWorldNormal_fogFactorW.xyz, 2, g_bHalfLambert );
							if ( NUM_LIGHTS >= 4 )
								dynamicLighting += DoLightInternal( worldPos, o.vWorldNormal_fogFactorW.xyz, 3, g_bHalfLambert );
						}

						// Sunlight light baked into static light. 
						#if ( CSM_BLENDING == 1 )
							// Remove sunlight from baked lighting, leaving only indirect.
							o.directionalLightingColor_flShadowDimScalar.rgb = g_vCSMLightColor * staticLightColor.a;
							staticLightColor.rgb -= o.directionalLightingColor_flShadowDimScalar.rgb;
						#else
							o.directionalLightingColor_flShadowDimScalar.rgb = float3( 0.0f, 0.0f, 0.0f );
						#endif
					#else

						// STATICLIGHT3 == 2 => indirect lighting only is baked (model classified as phong as far as static lighting is concerned if any materials contain $phong)
						// explicitly add dynamic lights (without adding ambient cube)
						// dynamic lighting, 0th light is CSM light in this path. We skip it and apply in the pixel shader using baked direct lighting intensity
						// stored in o.directionalLightingColor_flShadowDimScalar.a (from baked lighting data)
						if ( NUM_LIGHTS >= 2 )
							dynamicLighting += DoLightInternal( worldPos, o.vWorldNormal_fogFactorW.xyz, 1, g_bHalfLambert );
						if ( NUM_LIGHTS >= 3 )
							dynamicLighting += DoLightInternal( worldPos, o.vWorldNormal_fogFactorW.xyz, 2, g_bHalfLambert );
						if ( NUM_LIGHTS >= 4 )
							dynamicLighting += DoLightInternal( worldPos, o.vWorldNormal_fogFactorW.xyz, 3, g_bHalfLambert );

						o.directionalLightingColor_flShadowDimScalar.rgb = cLightInfo[0].color.rgb * staticLightColor.a;
					#endif

					o.color.rgb = staticLightColor.rgb + dynamicLighting.rgb;
				}
				#endif
			}
			#else
			{
				// Single vertex light stream. Typically dynamic props and static props in very old maps.

				staticLightColor = v.vStaticLight;

				// Note: PS3 treats the color as a 4-vector, big-endian RGBA (as in .rgba <=> .xyzw), hence we need to build the color channels in correct order for PS3 (see e.g. imesh.h)
				#if ( ( FLATTEN_STATIC_CONTROL_FLOW == 0 ) || defined ( SHADER_MODEL_VS_3_0 ) )
				{
					if ( bStaticLight )
					{
						o.color.xyz = DoLighting( worldPos, o.vWorldNormal_fogFactorW.xyz, staticLightColor.xyz, bStaticLight, bDynamicLight, g_bHalfLambert );
					}
					else
					{
						// dynamic lighting only => 0th dlight is the csm casting light
						o.color.xyz = DoLightingSeparateDirectional( worldPos, o.vWorldNormal_fogFactorW.xyz, float3(0.0f, 0.0f, 0.0f), bStaticLight, bDynamicLight, g_bHalfLambert, vDirectLighting.rgb );
						#if ( DECAL==0 )
							o.directionalLightingColor_flShadowDimScalar.rgb = vDirectLighting.rgb;
						#endif
					}
				}
				#else
				{
					o.color.xyz = DoLightingUnrolled( worldPos, o.vWorldNormal_fogFactorW.xyz, staticLightColor.xyz, bStaticLight, bDynamicLight, g_bHalfLambert, NUM_LIGHTS );
				}
				#endif
			}
			#endif

			#if ( !FLASHLIGHT ) && ( defined( _GAMECONSOLE ) || defined ( SHADER_MODEL_VS_3_0 ) || ( CASCADED_SHADOW_MAPPING == 1 ) )
			{
				#if (DECAL)
					#if ( CSM_BLENDING == 1 )
						float flSunAmount = CosineTermInternal( worldPos, o.vWorldNormal_fogFactorW.xyz, 0, g_bHalfLambert ) * v.vStaticLight.w;
						o.directionalLightingColor_flShadowDimScalar.rgb *= v.vStaticLight.w;
						o.directionalLightingColor_flShadowDimScalar.a = flSunAmount;
					#else
						o.directionalLightingColor_flShadowDimScalar.a = 0.0;
					#endif
				#else
					if ( bStaticLight )
					{
						#if ( CSM_BLENDING == 1 )
							o.directionalLightingColor_flShadowDimScalar.a = staticLightColor.a;
						#else
							float flSunPercent = 1.0 - staticLightColor.a;
							float flSunAmount = flSunPercent * Luminance( GammaToLinear( staticLightColor.rgb * cOverbright ) );
							o.directionalLightingColor_flShadowDimScalar.a = flSunAmount;
						#endif
					}
					else
					{
						o.directionalLightingColor_flShadowDimScalar.a = 0.0;
					}
				#endif
			}
			#endif
		}
		#endif
					
		#if ( SEAMLESS_BASE )
		{
			o.baseTexCoord_baseTexCoord2u.xyz = SEAMLESS_SCALE * v.vPos.xyz;
		}
		#else
		{
			// Base texture coordinates
			o.baseTexCoord_baseTexCoord2u.x = dot( v.vTexCoord0, cBaseTexCoordTransform[0] );
			o.baseTexCoord_baseTexCoord2u.y = dot( v.vTexCoord0, cBaseTexCoordTransform[1] );
		}
		#endif

		#if ( SEAMLESS_DETAIL )
		{
			// FIXME: detail texcoord as a 2d xform doesn't make much sense here, so I just do enough so
			// that scale works. More smartness could allow 3d xform.
			o.detailTexCoord_baseTexCoord2v.xyz = (SEAMLESS_SCALE*cDetailTexCoordTransform[0].x) * v.vPos.xyz;
		}
		#else
		{
			#if ( TREE_SWAY )
			{
				o.detailTexCoord_baseTexCoord2v.xy = v.vTexCoord0;
			}
			#else
			{
				// Detail texture coordinates
				// FIXME: This shouldn't have to be computed all the time.
				o.detailTexCoord_baseTexCoord2v.x = dot( v.vTexCoord0, cDetailTexCoordTransform[0] );
				o.detailTexCoord_baseTexCoord2v.y = dot( v.vTexCoord0, cDetailTexCoordTransform[1] );
			}
			#endif
		}
		#endif

		#if ( SEPARATE_DETAIL_UVS )
		{
			o.detailTexCoord_baseTexCoord2v.xy = v.vTexCoord1.xy;
		}
		#else
		{
			// 2nd uv set, pass through for now
			o.baseTexCoord_baseTexCoord2u.w   = v.vTexCoord1.x;
			o.detailTexCoord_baseTexCoord2v.w = v.vTexCoord1.y;
		}
		#endif
	}
	#endif // TESSELLATION

	#if ( !defined( _GAMECONSOLE ) && FLASHLIGHT )
	{
		//zero out the vertex color in additive two-pass flashlight mode
		o.color.rgb *= cSinglePassFlashlight.x;
	}
	#endif
		
	// Transform into projection space
	o.projPos = mul( float4( worldPos, 1 ), cViewProj );

#ifdef _PS3
	// Account for OpenGL's flipped y coordinate and expanded z range [-1,1] instead of [0,1]
	o.projPos.y = -o.projPos.y;
	o.projPos.z = 2.0f * o.projPos.z - o.projPos.w;
#endif // _PS3
	
	o.vProjPos = o.projPos;

	o.vWorldPos_csmXform0z.xyz = worldPos;
	
	#if ( LIGHTING_PREVIEW == 3 )
	{
		o.vProjPos.z = dot( g_vEyeVector, worldPos.xyz - cEyePos.xyz );	// Linear depth
	}
	#endif

	#if ( LIGHTING_PREVIEW )
	{
		float d = 0.2 + abs( dot( normalize(worldPos.xyz - cEyePos.xyz), o.vWorldNormal_fogFactorW.xyz ) );
		o.color.xyz = float3( d, d, d );
	}
	#endif

	#if ( FLASHLIGHT ) && defined( SHADER_MODEL_VS_3_0 )
	{
		o.flashlightSpacePos = TransformFlashlightWorldToTexture( worldPos, g_FlashlightWorldToTexture );
	}
	#endif

	#if ( HARDWAREFOGBLEND )
	{
		o.fog = CalcFixedFunctionFog( worldPos, g_FogType );
	}
	#endif
	#if ( !DOPIXELFOG && !HARDWAREFOGBLEND )
	{
		o.vWorldNormal_fogFactorW.w = CalcNonFixedFunctionFog( worldPos, g_FogType );
	}
	#endif


	#if( CASCADED_SHADOW_MAPPING )
	{
		float4 worldPos = float4( o.vWorldPos_csmXform0z.xyz, 1.0f );

		o.csmXform0or1_csmXform2.xy	= mul( worldPos, g_matWorldToShadowTexMatrices[0] ).xy;
		o.csmXform0or1_csmXform2.zw	= mul( worldPos, g_matWorldToShadowTexMatrices[1] ).xy;
		o.vWorldPos_csmXform0z.w	= mul( worldPos, g_matWorldToShadowTexMatrix0_z );
	}
	#endif
	
	return o;
}