From fc5065c2da3ad50a20402b596806fcbd192dbfbd Mon Sep 17 00:00:00 2001
From: tengge1 <930372551@qq.com>
Date: Wed, 11 Dec 2019 22:30:24 +0800
Subject: [PATCH] standard_fragment

---
 .../shader/material/standard_fragment.glsl    | 1201 +++++++++++++++++
 1 file changed, 1201 insertions(+)
 create mode 100644 ShadowEditor.Web/src/render/shader/material/standard_fragment.glsl

diff --git a/ShadowEditor.Web/src/render/shader/material/standard_fragment.glsl b/ShadowEditor.Web/src/render/shader/material/standard_fragment.glsl
new file mode 100644
index 00000000..79cce68b
--- /dev/null
+++ b/ShadowEditor.Web/src/render/shader/material/standard_fragment.glsl
@@ -0,0 +1,1201 @@
+precision highp float;
+precision highp int;
+#define SHADER_NAME MeshStandardMaterial
+#define STANDARD 
+#define GAMMA_FACTOR 2
+#define USE_SHADOWMAP
+#define SHADOWMAP_TYPE_PCF_SOFT
+uniform mat4 viewMatrix;
+uniform vec3 cameraPosition;
+#define TONE_MAPPING
+#ifndef saturate
+	#define saturate(a) clamp( a, 0.0, 1.0 )
+#endif
+uniform float toneMappingExposure;
+uniform float toneMappingWhitePoint;
+vec3 LinearToneMapping( vec3 color ) {
+	return toneMappingExposure * color;
+}
+vec3 ReinhardToneMapping( vec3 color ) {
+	color *= toneMappingExposure;
+	return saturate( color / ( vec3( 1.0 ) + color ) );
+}
+#define Uncharted2Helper( x ) max( ( ( x * ( 0.15 * x + 0.10 * 0.50 ) + 0.20 * 0.02 ) / ( x * ( 0.15 * x + 0.50 ) + 0.20 * 0.30 ) ) - 0.02 / 0.30, vec3( 0.0 ) )
+vec3 Uncharted2ToneMapping( vec3 color ) {
+	color *= toneMappingExposure;
+	return saturate( Uncharted2Helper( color ) / Uncharted2Helper( vec3( toneMappingWhitePoint ) ) );
+}
+vec3 OptimizedCineonToneMapping( vec3 color ) {
+	color *= toneMappingExposure;
+	color = max( vec3( 0.0 ), color - 0.004 );
+	return pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );
+}
+vec3 ACESFilmicToneMapping( vec3 color ) {
+	color *= toneMappingExposure;
+	return saturate( ( color * ( 2.51 * color + 0.03 ) ) / ( color * ( 2.43 * color + 0.59 ) + 0.14 ) );
+}
+vec3 toneMapping( vec3 color ) { return LinearToneMapping( color ); }
+
+vec4 LinearToLinear( in vec4 value ) {
+	return value;
+}
+vec4 GammaToLinear( in vec4 value, in float gammaFactor ) {
+	return vec4( pow( value.rgb, vec3( gammaFactor ) ), value.a );
+}
+vec4 LinearToGamma( in vec4 value, in float gammaFactor ) {
+	return vec4( pow( value.rgb, vec3( 1.0 / gammaFactor ) ), value.a );
+}
+vec4 sRGBToLinear( in vec4 value ) {
+	return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.a );
+}
+vec4 LinearTosRGB( in vec4 value ) {
+	return vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.a );
+}
+vec4 RGBEToLinear( in vec4 value ) {
+	return vec4( value.rgb * exp2( value.a * 255.0 - 128.0 ), 1.0 );
+}
+vec4 LinearToRGBE( in vec4 value ) {
+	float maxComponent = max( max( value.r, value.g ), value.b );
+	float fExp = clamp( ceil( log2( maxComponent ) ), -128.0, 127.0 );
+	return vec4( value.rgb / exp2( fExp ), ( fExp + 128.0 ) / 255.0 );
+}
+vec4 RGBMToLinear( in vec4 value, in float maxRange ) {
+	return vec4( value.rgb * value.a * maxRange, 1.0 );
+}
+vec4 LinearToRGBM( in vec4 value, in float maxRange ) {
+	float maxRGB = max( value.r, max( value.g, value.b ) );
+	float M = clamp( maxRGB / maxRange, 0.0, 1.0 );
+	M = ceil( M * 255.0 ) / 255.0;
+	return vec4( value.rgb / ( M * maxRange ), M );
+}
+vec4 RGBDToLinear( in vec4 value, in float maxRange ) {
+	return vec4( value.rgb * ( ( maxRange / 255.0 ) / value.a ), 1.0 );
+}
+vec4 LinearToRGBD( in vec4 value, in float maxRange ) {
+	float maxRGB = max( value.r, max( value.g, value.b ) );
+	float D = max( maxRange / maxRGB, 1.0 );
+	D = min( floor( D ) / 255.0, 1.0 );
+	return vec4( value.rgb * ( D * ( 255.0 / maxRange ) ), D );
+}
+const mat3 cLogLuvM = mat3( 0.2209, 0.3390, 0.4184, 0.1138, 0.6780, 0.7319, 0.0102, 0.1130, 0.2969 );
+vec4 LinearToLogLuv( in vec4 value )  {
+	vec3 Xp_Y_XYZp = cLogLuvM * value.rgb;
+	Xp_Y_XYZp = max( Xp_Y_XYZp, vec3( 1e-6, 1e-6, 1e-6 ) );
+	vec4 vResult;
+	vResult.xy = Xp_Y_XYZp.xy / Xp_Y_XYZp.z;
+	float Le = 2.0 * log2(Xp_Y_XYZp.y) + 127.0;
+	vResult.w = fract( Le );
+	vResult.z = ( Le - ( floor( vResult.w * 255.0 ) ) / 255.0 ) / 255.0;
+	return vResult;
+}
+const mat3 cLogLuvInverseM = mat3( 6.0014, -2.7008, -1.7996, -1.3320, 3.1029, -5.7721, 0.3008, -1.0882, 5.6268 );
+vec4 LogLuvToLinear( in vec4 value ) {
+	float Le = value.z * 255.0 + value.w;
+	vec3 Xp_Y_XYZp;
+	Xp_Y_XYZp.y = exp2( ( Le - 127.0 ) / 2.0 );
+	Xp_Y_XYZp.z = Xp_Y_XYZp.y / value.y;
+	Xp_Y_XYZp.x = value.x * Xp_Y_XYZp.z;
+	vec3 vRGB = cLogLuvInverseM * Xp_Y_XYZp.rgb;
+	return vec4( max( vRGB, 0.0 ), 1.0 );
+}
+vec4 mapTexelToLinear( vec4 value ) { return LinearToLinear( value ); }
+vec4 matcapTexelToLinear( vec4 value ) { return LinearToLinear( value ); }
+vec4 envMapTexelToLinear( vec4 value ) { return LinearToLinear( value ); }
+vec4 emissiveMapTexelToLinear( vec4 value ) { return LinearToLinear( value ); }
+vec4 linearToOutputTexel( vec4 value ) { return LinearToLinear( value ); }
+
+#define PHYSICAL
+uniform vec3 diffuse;
+uniform vec3 emissive;
+uniform float roughness;
+uniform float metalness;
+uniform float opacity;
+#ifndef STANDARD
+	uniform float clearCoat;
+	uniform float clearCoatRoughness;
+#endif
+varying vec3 vViewPosition;
+#ifndef FLAT_SHADED
+	varying vec3 vNormal;
+	#ifdef USE_TANGENT
+		varying vec3 vTangent;
+		varying vec3 vBitangent;
+	#endif
+#endif
+#define PI 3.14159265359
+#define PI2 6.28318530718
+#define PI_HALF 1.5707963267949
+#define RECIPROCAL_PI 0.31830988618
+#define RECIPROCAL_PI2 0.15915494
+#define LOG2 1.442695
+#define EPSILON 1e-6
+#define saturate(a) clamp( a, 0.0, 1.0 )
+#define whiteCompliment(a) ( 1.0 - saturate( a ) )
+float pow2( const in float x ) { return x*x; }
+float pow3( const in float x ) { return x*x*x; }
+float pow4( const in float x ) { float x2 = x*x; return x2*x2; }
+float average( const in vec3 color ) { return dot( color, vec3( 0.3333 ) ); }
+highp float rand( const in vec2 uv ) {
+	const highp float a = 12.9898, b = 78.233, c = 43758.5453;
+	highp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );
+	return fract(sin(sn) * c);
+}
+struct IncidentLight {
+	vec3 color;
+	vec3 direction;
+	bool visible;
+};
+struct ReflectedLight {
+	vec3 directDiffuse;
+	vec3 directSpecular;
+	vec3 indirectDiffuse;
+	vec3 indirectSpecular;
+};
+struct GeometricContext {
+	vec3 position;
+	vec3 normal;
+	vec3 viewDir;
+};
+vec3 transformDirection( in vec3 dir, in mat4 matrix ) {
+	return normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );
+}
+vec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {
+	return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );
+}
+vec3 projectOnPlane(in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {
+	float distance = dot( planeNormal, point - pointOnPlane );
+	return - distance * planeNormal + point;
+}
+float sideOfPlane( in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {
+	return sign( dot( point - pointOnPlane, planeNormal ) );
+}
+vec3 linePlaneIntersect( in vec3 pointOnLine, in vec3 lineDirection, in vec3 pointOnPlane, in vec3 planeNormal ) {
+	return lineDirection * ( dot( planeNormal, pointOnPlane - pointOnLine ) / dot( planeNormal, lineDirection ) ) + pointOnLine;
+}
+mat3 transposeMat3( const in mat3 m ) {
+	mat3 tmp;
+	tmp[ 0 ] = vec3( m[ 0 ].x, m[ 1 ].x, m[ 2 ].x );
+	tmp[ 1 ] = vec3( m[ 0 ].y, m[ 1 ].y, m[ 2 ].y );
+	tmp[ 2 ] = vec3( m[ 0 ].z, m[ 1 ].z, m[ 2 ].z );
+	return tmp;
+}
+float linearToRelativeLuminance( const in vec3 color ) {
+	vec3 weights = vec3( 0.2126, 0.7152, 0.0722 );
+	return dot( weights, color.rgb );
+}
+vec3 packNormalToRGB( const in vec3 normal ) {
+	return normalize( normal ) * 0.5 + 0.5;
+}
+vec3 unpackRGBToNormal( const in vec3 rgb ) {
+	return 2.0 * rgb.xyz - 1.0;
+}
+const float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;
+const vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );
+const vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );
+const float ShiftRight8 = 1. / 256.;
+vec4 packDepthToRGBA( const in float v ) {
+	vec4 r = vec4( fract( v * PackFactors ), v );
+	r.yzw -= r.xyz * ShiftRight8;	return r * PackUpscale;
+}
+float unpackRGBAToDepth( const in vec4 v ) {
+	return dot( v, UnpackFactors );
+}
+float viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {
+	return ( viewZ + near ) / ( near - far );
+}
+float orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {
+	return linearClipZ * ( near - far ) - near;
+}
+float viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {
+	return (( near + viewZ ) * far ) / (( far - near ) * viewZ );
+}
+float perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {
+	return ( near * far ) / ( ( far - near ) * invClipZ - far );
+}
+#if defined( DITHERING )
+	vec3 dithering( vec3 color ) {
+		float grid_position = rand( gl_FragCoord.xy );
+		vec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );
+		dither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );
+		return color + dither_shift_RGB;
+	}
+#endif
+#ifdef USE_COLOR
+	varying vec3 vColor;
+#endif
+#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )
+	varying vec2 vUv;
+#endif
+#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )
+	varying vec2 vUv2;
+#endif
+#ifdef USE_MAP
+	uniform sampler2D map;
+#endif
+#ifdef USE_ALPHAMAP
+	uniform sampler2D alphaMap;
+#endif
+#ifdef USE_AOMAP
+	uniform sampler2D aoMap;
+	uniform float aoMapIntensity;
+#endif
+#ifdef USE_LIGHTMAP
+	uniform sampler2D lightMap;
+	uniform float lightMapIntensity;
+#endif
+#ifdef USE_EMISSIVEMAP
+	uniform sampler2D emissiveMap;
+#endif
+vec2 integrateSpecularBRDF( const in float dotNV, const in float roughness ) {
+	const vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );
+	const vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );
+	vec4 r = roughness * c0 + c1;
+	float a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;
+	return vec2( -1.04, 1.04 ) * a004 + r.zw;
+}
+float punctualLightIntensityToIrradianceFactor( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {
+#if defined ( PHYSICALLY_CORRECT_LIGHTS )
+	float distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );
+	if( cutoffDistance > 0.0 ) {
+		distanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );
+	}
+	return distanceFalloff;
+#else
+	if( cutoffDistance > 0.0 && decayExponent > 0.0 ) {
+		return pow( saturate( -lightDistance / cutoffDistance + 1.0 ), decayExponent );
+	}
+	return 1.0;
+#endif
+}
+vec3 BRDF_Diffuse_Lambert( const in vec3 diffuseColor ) {
+	return RECIPROCAL_PI * diffuseColor;
+}
+vec3 F_Schlick( const in vec3 specularColor, const in float dotLH ) {
+	float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );
+	return ( 1.0 - specularColor ) * fresnel + specularColor;
+}
+vec3 F_Schlick_RoughnessDependent( const in vec3 F0, const in float dotNV, const in float roughness ) {
+	float fresnel = exp2( ( -5.55473 * dotNV - 6.98316 ) * dotNV );
+	vec3 Fr = max( vec3( 1.0 - roughness ), F0 ) - F0;
+	return Fr * fresnel + F0;
+}
+float G_GGX_Smith( const in float alpha, const in float dotNL, const in float dotNV ) {
+	float a2 = pow2( alpha );
+	float gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );
+	float gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );
+	return 1.0 / ( gl * gv );
+}
+float G_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {
+	float a2 = pow2( alpha );
+	float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );
+	float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );
+	return 0.5 / max( gv + gl, EPSILON );
+}
+float D_GGX( const in float alpha, const in float dotNH ) {
+	float a2 = pow2( alpha );
+	float denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;
+	return RECIPROCAL_PI * a2 / pow2( denom );
+}
+vec3 BRDF_Specular_GGX( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float roughness ) {
+	float alpha = pow2( roughness );
+	vec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );
+	float dotNL = saturate( dot( geometry.normal, incidentLight.direction ) );
+	float dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );
+	float dotNH = saturate( dot( geometry.normal, halfDir ) );
+	float dotLH = saturate( dot( incidentLight.direction, halfDir ) );
+	vec3 F = F_Schlick( specularColor, dotLH );
+	float G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );
+	float D = D_GGX( alpha, dotNH );
+	return F * ( G * D );
+}
+vec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {
+	const float LUT_SIZE  = 64.0;
+	const float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;
+	const float LUT_BIAS  = 0.5 / LUT_SIZE;
+	float dotNV = saturate( dot( N, V ) );
+	vec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );
+	uv = uv * LUT_SCALE + LUT_BIAS;
+	return uv;
+}
+float LTC_ClippedSphereFormFactor( const in vec3 f ) {
+	float l = length( f );
+	return max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );
+}
+vec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {
+	float x = dot( v1, v2 );
+	float y = abs( x );
+	float a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;
+	float b = 3.4175940 + ( 4.1616724 + y ) * y;
+	float v = a / b;
+	float theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;
+	return cross( v1, v2 ) * theta_sintheta;
+}
+vec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {
+	vec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];
+	vec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];
+	vec3 lightNormal = cross( v1, v2 );
+	if( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );
+	vec3 T1, T2;
+	T1 = normalize( V - N * dot( V, N ) );
+	T2 = - cross( N, T1 );
+	mat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) );
+	vec3 coords[ 4 ];
+	coords[ 0 ] = mat * ( rectCoords[ 0 ] - P );
+	coords[ 1 ] = mat * ( rectCoords[ 1 ] - P );
+	coords[ 2 ] = mat * ( rectCoords[ 2 ] - P );
+	coords[ 3 ] = mat * ( rectCoords[ 3 ] - P );
+	coords[ 0 ] = normalize( coords[ 0 ] );
+	coords[ 1 ] = normalize( coords[ 1 ] );
+	coords[ 2 ] = normalize( coords[ 2 ] );
+	coords[ 3 ] = normalize( coords[ 3 ] );
+	vec3 vectorFormFactor = vec3( 0.0 );
+	vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );
+	vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );
+	vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );
+	vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );
+	float result = LTC_ClippedSphereFormFactor( vectorFormFactor );
+	return vec3( result );
+}
+vec3 BRDF_Specular_GGX_Environment( const in GeometricContext geometry, const in vec3 specularColor, const in float roughness ) {
+	float dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );
+	vec2 brdf = integrateSpecularBRDF( dotNV, roughness );
+	return specularColor * brdf.x + brdf.y;
+}
+void BRDF_Specular_Multiscattering_Environment( const in GeometricContext geometry, const in vec3 specularColor, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {
+	float dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );
+	vec3 F = F_Schlick_RoughnessDependent( specularColor, dotNV, roughness );
+	vec2 brdf = integrateSpecularBRDF( dotNV, roughness );
+	vec3 FssEss = F * brdf.x + brdf.y;
+	float Ess = brdf.x + brdf.y;
+	float Ems = 1.0 - Ess;
+	vec3 Favg = specularColor + ( 1.0 - specularColor ) * 0.047619;	vec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );
+	singleScatter += FssEss;
+	multiScatter += Fms * Ems;
+}
+float G_BlinnPhong_Implicit( ) {
+	return 0.25;
+}
+float D_BlinnPhong( const in float shininess, const in float dotNH ) {
+	return RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );
+}
+vec3 BRDF_Specular_BlinnPhong( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float shininess ) {
+	vec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );
+	float dotNH = saturate( dot( geometry.normal, halfDir ) );
+	float dotLH = saturate( dot( incidentLight.direction, halfDir ) );
+	vec3 F = F_Schlick( specularColor, dotLH );
+	float G = G_BlinnPhong_Implicit( );
+	float D = D_BlinnPhong( shininess, dotNH );
+	return F * ( G * D );
+}
+float GGXRoughnessToBlinnExponent( const in float ggxRoughness ) {
+	return ( 2.0 / pow2( ggxRoughness + 0.0001 ) - 2.0 );
+}
+float BlinnExponentToGGXRoughness( const in float blinnExponent ) {
+	return sqrt( 2.0 / ( blinnExponent + 2.0 ) );
+}
+#ifdef ENVMAP_TYPE_CUBE_UV
+#define cubeUV_textureSize (1024.0)
+int getFaceFromDirection(vec3 direction) {
+	vec3 absDirection = abs(direction);
+	int face = -1;
+	if( absDirection.x > absDirection.z ) {
+		if(absDirection.x > absDirection.y )
+			face = direction.x > 0.0 ? 0 : 3;
+		else
+			face = direction.y > 0.0 ? 1 : 4;
+	}
+	else {
+		if(absDirection.z > absDirection.y )
+			face = direction.z > 0.0 ? 2 : 5;
+		else
+			face = direction.y > 0.0 ? 1 : 4;
+	}
+	return face;
+}
+#define cubeUV_maxLods1  (log2(cubeUV_textureSize*0.25) - 1.0)
+#define cubeUV_rangeClamp (exp2((6.0 - 1.0) * 2.0))
+vec2 MipLevelInfo( vec3 vec, float roughnessLevel, float roughness ) {
+	float scale = exp2(cubeUV_maxLods1 - roughnessLevel);
+	float dxRoughness = dFdx(roughness);
+	float dyRoughness = dFdy(roughness);
+	vec3 dx = dFdx( vec * scale * dxRoughness );
+	vec3 dy = dFdy( vec * scale * dyRoughness );
+	float d = max( dot( dx, dx ), dot( dy, dy ) );
+	d = clamp(d, 1.0, cubeUV_rangeClamp);
+	float mipLevel = 0.5 * log2(d);
+	return vec2(floor(mipLevel), fract(mipLevel));
+}
+#define cubeUV_maxLods2 (log2(cubeUV_textureSize*0.25) - 2.0)
+#define cubeUV_rcpTextureSize (1.0 / cubeUV_textureSize)
+vec2 getCubeUV(vec3 direction, float roughnessLevel, float mipLevel) {
+	mipLevel = roughnessLevel > cubeUV_maxLods2 - 3.0 ? 0.0 : mipLevel;
+	float a = 16.0 * cubeUV_rcpTextureSize;
+	vec2 exp2_packed = exp2( vec2( roughnessLevel, mipLevel ) );
+	vec2 rcp_exp2_packed = vec2( 1.0 ) / exp2_packed;
+	float powScale = exp2_packed.x * exp2_packed.y;
+	float scale = rcp_exp2_packed.x * rcp_exp2_packed.y * 0.25;
+	float mipOffset = 0.75*(1.0 - rcp_exp2_packed.y) * rcp_exp2_packed.x;
+	bool bRes = mipLevel == 0.0;
+	scale =  bRes && (scale < a) ? a : scale;
+	vec3 r;
+	vec2 offset;
+	int face = getFaceFromDirection(direction);
+	float rcpPowScale = 1.0 / powScale;
+	if( face == 0) {
+		r = vec3(direction.x, -direction.z, direction.y);
+		offset = vec2(0.0+mipOffset,0.75 * rcpPowScale);
+		offset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;
+	}
+	else if( face == 1) {
+		r = vec3(direction.y, direction.x, direction.z);
+		offset = vec2(scale+mipOffset, 0.75 * rcpPowScale);
+		offset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;
+	}
+	else if( face == 2) {
+		r = vec3(direction.z, direction.x, direction.y);
+		offset = vec2(2.0*scale+mipOffset, 0.75 * rcpPowScale);
+		offset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;
+	}
+	else if( face == 3) {
+		r = vec3(direction.x, direction.z, direction.y);
+		offset = vec2(0.0+mipOffset,0.5 * rcpPowScale);
+		offset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;
+	}
+	else if( face == 4) {
+		r = vec3(direction.y, direction.x, -direction.z);
+		offset = vec2(scale+mipOffset, 0.5 * rcpPowScale);
+		offset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;
+	}
+	else {
+		r = vec3(direction.z, -direction.x, direction.y);
+		offset = vec2(2.0*scale+mipOffset, 0.5 * rcpPowScale);
+		offset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;
+	}
+	r = normalize(r);
+	float texelOffset = 0.5 * cubeUV_rcpTextureSize;
+	vec2 s = ( r.yz / abs( r.x ) + vec2( 1.0 ) ) * 0.5;
+	vec2 base = offset + vec2( texelOffset );
+	return base + s * ( scale - 2.0 * texelOffset );
+}
+#define cubeUV_maxLods3 (log2(cubeUV_textureSize*0.25) - 3.0)
+vec4 textureCubeUV( sampler2D envMap, vec3 reflectedDirection, float roughness ) {
+	float roughnessVal = roughness* cubeUV_maxLods3;
+	float r1 = floor(roughnessVal);
+	float r2 = r1 + 1.0;
+	float t = fract(roughnessVal);
+	vec2 mipInfo = MipLevelInfo(reflectedDirection, r1, roughness);
+	float s = mipInfo.y;
+	float level0 = mipInfo.x;
+	float level1 = level0 + 1.0;
+	level1 = level1 > 5.0 ? 5.0 : level1;
+	level0 += min( floor( s + 0.5 ), 5.0 );
+	vec2 uv_10 = getCubeUV(reflectedDirection, r1, level0);
+	vec4 color10 = envMapTexelToLinear(texture2D(envMap, uv_10));
+	vec2 uv_20 = getCubeUV(reflectedDirection, r2, level0);
+	vec4 color20 = envMapTexelToLinear(texture2D(envMap, uv_20));
+	vec4 result = mix(color10, color20, t);
+	return vec4(result.rgb, 1.0);
+}
+#endif
+#if defined( USE_ENVMAP ) || defined( PHYSICAL )
+	uniform float reflectivity;
+	uniform float envMapIntensity;
+#endif
+#ifdef USE_ENVMAP
+	#if ! defined( PHYSICAL ) && ( defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) )
+		varying vec3 vWorldPosition;
+	#endif
+	#ifdef ENVMAP_TYPE_CUBE
+		uniform samplerCube envMap;
+	#else
+		uniform sampler2D envMap;
+	#endif
+	uniform float flipEnvMap;
+	uniform int maxMipLevel;
+	#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( PHYSICAL )
+		uniform float refractionRatio;
+	#else
+		varying vec3 vReflect;
+	#endif
+#endif
+#if defined( USE_ENVMAP ) && defined( PHYSICAL )
+	vec3 getLightProbeIndirectIrradiance( const in GeometricContext geometry, const in int maxMIPLevel ) {
+		vec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix );
+		#ifdef ENVMAP_TYPE_CUBE
+			vec3 queryVec = vec3( flipEnvMap * worldNormal.x, worldNormal.yz );
+			#ifdef TEXTURE_LOD_EXT
+				vec4 envMapColor = textureCubeLodEXT( envMap, queryVec, float( maxMIPLevel ) );
+			#else
+				vec4 envMapColor = textureCube( envMap, queryVec, float( maxMIPLevel ) );
+			#endif
+			envMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;
+		#elif defined( ENVMAP_TYPE_CUBE_UV )
+			vec3 queryVec = vec3( flipEnvMap * worldNormal.x, worldNormal.yz );
+			vec4 envMapColor = textureCubeUV( envMap, queryVec, 1.0 );
+		#else
+			vec4 envMapColor = vec4( 0.0 );
+		#endif
+		return PI * envMapColor.rgb * envMapIntensity;
+	}
+	float getSpecularMIPLevel( const in float blinnShininessExponent, const in int maxMIPLevel ) {
+		float maxMIPLevelScalar = float( maxMIPLevel );
+		float desiredMIPLevel = maxMIPLevelScalar + 0.79248 - 0.5 * log2( pow2( blinnShininessExponent ) + 1.0 );
+		return clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );
+	}
+	vec3 getLightProbeIndirectRadiance( const in GeometricContext geometry, const in float blinnShininessExponent, const in int maxMIPLevel ) {
+		#ifdef ENVMAP_MODE_REFLECTION
+			vec3 reflectVec = reflect( -geometry.viewDir, geometry.normal );
+		#else
+			vec3 reflectVec = refract( -geometry.viewDir, geometry.normal, refractionRatio );
+		#endif
+		reflectVec = inverseTransformDirection( reflectVec, viewMatrix );
+		float specularMIPLevel = getSpecularMIPLevel( blinnShininessExponent, maxMIPLevel );
+		#ifdef ENVMAP_TYPE_CUBE
+			vec3 queryReflectVec = vec3( flipEnvMap * reflectVec.x, reflectVec.yz );
+			#ifdef TEXTURE_LOD_EXT
+				vec4 envMapColor = textureCubeLodEXT( envMap, queryReflectVec, specularMIPLevel );
+			#else
+				vec4 envMapColor = textureCube( envMap, queryReflectVec, specularMIPLevel );
+			#endif
+			envMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;
+		#elif defined( ENVMAP_TYPE_CUBE_UV )
+			vec3 queryReflectVec = vec3( flipEnvMap * reflectVec.x, reflectVec.yz );
+			vec4 envMapColor = textureCubeUV( envMap, queryReflectVec, BlinnExponentToGGXRoughness(blinnShininessExponent ));
+		#elif defined( ENVMAP_TYPE_EQUIREC )
+			vec2 sampleUV;
+			sampleUV.y = asin( clamp( reflectVec.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;
+			sampleUV.x = atan( reflectVec.z, reflectVec.x ) * RECIPROCAL_PI2 + 0.5;
+			#ifdef TEXTURE_LOD_EXT
+				vec4 envMapColor = texture2DLodEXT( envMap, sampleUV, specularMIPLevel );
+			#else
+				vec4 envMapColor = texture2D( envMap, sampleUV, specularMIPLevel );
+			#endif
+			envMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;
+		#elif defined( ENVMAP_TYPE_SPHERE )
+			vec3 reflectView = normalize( ( viewMatrix * vec4( reflectVec, 0.0 ) ).xyz + vec3( 0.0,0.0,1.0 ) );
+			#ifdef TEXTURE_LOD_EXT
+				vec4 envMapColor = texture2DLodEXT( envMap, reflectView.xy * 0.5 + 0.5, specularMIPLevel );
+			#else
+				vec4 envMapColor = texture2D( envMap, reflectView.xy * 0.5 + 0.5, specularMIPLevel );
+			#endif
+			envMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;
+		#endif
+		return envMapColor.rgb * envMapIntensity;
+	}
+#endif
+#ifdef USE_FOG
+	uniform vec3 fogColor;
+	varying float fogDepth;
+	#ifdef FOG_EXP2
+		uniform float fogDensity;
+	#else
+		uniform float fogNear;
+		uniform float fogFar;
+	#endif
+#endif
+uniform vec3 ambientLightColor;
+uniform vec3 lightProbe[ 9 ];
+vec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {
+	float x = normal.x, y = normal.y, z = normal.z;
+	vec3 result = shCoefficients[ 0 ] * 0.886227;
+	result += shCoefficients[ 1 ] * 2.0 * 0.511664 * y;
+	result += shCoefficients[ 2 ] * 2.0 * 0.511664 * z;
+	result += shCoefficients[ 3 ] * 2.0 * 0.511664 * x;
+	result += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y;
+	result += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z;
+	result += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 );
+	result += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z;
+	result += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y );
+	return result;
+}
+vec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in GeometricContext geometry ) {
+	vec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix );
+	vec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );
+	return irradiance;
+}
+vec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {
+	vec3 irradiance = ambientLightColor;
+	#ifndef PHYSICALLY_CORRECT_LIGHTS
+		irradiance *= PI;
+	#endif
+	return irradiance;
+}
+#if 1 > 0
+	struct DirectionalLight {
+		vec3 direction;
+		vec3 color;
+		int shadow;
+		float shadowBias;
+		float shadowRadius;
+		vec2 shadowMapSize;
+	};
+	uniform DirectionalLight directionalLights[ 1 ];
+	void getDirectionalDirectLightIrradiance( const in DirectionalLight directionalLight, const in GeometricContext geometry, out IncidentLight directLight ) {
+		directLight.color = directionalLight.color;
+		directLight.direction = directionalLight.direction;
+		directLight.visible = true;
+	}
+#endif
+#if 0 > 0
+	struct PointLight {
+		vec3 position;
+		vec3 color;
+		float distance;
+		float decay;
+		int shadow;
+		float shadowBias;
+		float shadowRadius;
+		vec2 shadowMapSize;
+		float shadowCameraNear;
+		float shadowCameraFar;
+	};
+	uniform PointLight pointLights[ 0 ];
+	void getPointDirectLightIrradiance( const in PointLight pointLight, const in GeometricContext geometry, out IncidentLight directLight ) {
+		vec3 lVector = pointLight.position - geometry.position;
+		directLight.direction = normalize( lVector );
+		float lightDistance = length( lVector );
+		directLight.color = pointLight.color;
+		directLight.color *= punctualLightIntensityToIrradianceFactor( lightDistance, pointLight.distance, pointLight.decay );
+		directLight.visible = ( directLight.color != vec3( 0.0 ) );
+	}
+#endif
+#if 0 > 0
+	struct SpotLight {
+		vec3 position;
+		vec3 direction;
+		vec3 color;
+		float distance;
+		float decay;
+		float coneCos;
+		float penumbraCos;
+		int shadow;
+		float shadowBias;
+		float shadowRadius;
+		vec2 shadowMapSize;
+	};
+	uniform SpotLight spotLights[ 0 ];
+	void getSpotDirectLightIrradiance( const in SpotLight spotLight, const in GeometricContext geometry, out IncidentLight directLight  ) {
+		vec3 lVector = spotLight.position - geometry.position;
+		directLight.direction = normalize( lVector );
+		float lightDistance = length( lVector );
+		float angleCos = dot( directLight.direction, spotLight.direction );
+		if ( angleCos > spotLight.coneCos ) {
+			float spotEffect = smoothstep( spotLight.coneCos, spotLight.penumbraCos, angleCos );
+			directLight.color = spotLight.color;
+			directLight.color *= spotEffect * punctualLightIntensityToIrradianceFactor( lightDistance, spotLight.distance, spotLight.decay );
+			directLight.visible = true;
+		} else {
+			directLight.color = vec3( 0.0 );
+			directLight.visible = false;
+		}
+	}
+#endif
+#if 0 > 0
+	struct RectAreaLight {
+		vec3 color;
+		vec3 position;
+		vec3 halfWidth;
+		vec3 halfHeight;
+	};
+	uniform sampler2D ltc_1;	uniform sampler2D ltc_2;
+	uniform RectAreaLight rectAreaLights[ 0 ];
+#endif
+#if 0 > 0
+	struct HemisphereLight {
+		vec3 direction;
+		vec3 skyColor;
+		vec3 groundColor;
+	};
+	uniform HemisphereLight hemisphereLights[ 0 ];
+	vec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in GeometricContext geometry ) {
+		float dotNL = dot( geometry.normal, hemiLight.direction );
+		float hemiDiffuseWeight = 0.5 * dotNL + 0.5;
+		vec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );
+		#ifndef PHYSICALLY_CORRECT_LIGHTS
+			irradiance *= PI;
+		#endif
+		return irradiance;
+	}
+#endif
+struct PhysicalMaterial {
+	vec3	diffuseColor;
+	float	specularRoughness;
+	vec3	specularColor;
+	#ifndef STANDARD
+		float clearCoat;
+		float clearCoatRoughness;
+	#endif
+};
+#define MAXIMUM_SPECULAR_COEFFICIENT 0.16
+#define DEFAULT_SPECULAR_COEFFICIENT 0.04
+float clearCoatDHRApprox( const in float roughness, const in float dotNL ) {
+	return DEFAULT_SPECULAR_COEFFICIENT + ( 1.0 - DEFAULT_SPECULAR_COEFFICIENT ) * ( pow( 1.0 - dotNL, 5.0 ) * pow( 1.0 - roughness, 2.0 ) );
+}
+#if 0 > 0
+	void RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {
+		vec3 normal = geometry.normal;
+		vec3 viewDir = geometry.viewDir;
+		vec3 position = geometry.position;
+		vec3 lightPos = rectAreaLight.position;
+		vec3 halfWidth = rectAreaLight.halfWidth;
+		vec3 halfHeight = rectAreaLight.halfHeight;
+		vec3 lightColor = rectAreaLight.color;
+		float roughness = material.specularRoughness;
+		vec3 rectCoords[ 4 ];
+		rectCoords[ 0 ] = lightPos + halfWidth - halfHeight;		rectCoords[ 1 ] = lightPos - halfWidth - halfHeight;
+		rectCoords[ 2 ] = lightPos - halfWidth + halfHeight;
+		rectCoords[ 3 ] = lightPos + halfWidth + halfHeight;
+		vec2 uv = LTC_Uv( normal, viewDir, roughness );
+		vec4 t1 = texture2D( ltc_1, uv );
+		vec4 t2 = texture2D( ltc_2, uv );
+		mat3 mInv = mat3(
+			vec3( t1.x, 0, t1.y ),
+			vec3(    0, 1,    0 ),
+			vec3( t1.z, 0, t1.w )
+		);
+		vec3 fresnel = ( material.specularColor * t2.x + ( vec3( 1.0 ) - material.specularColor ) * t2.y );
+		reflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );
+		reflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );
+	}
+#endif
+void RE_Direct_Physical( const in IncidentLight directLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {
+	float dotNL = saturate( dot( geometry.normal, directLight.direction ) );
+	vec3 irradiance = dotNL * directLight.color;
+	#ifndef PHYSICALLY_CORRECT_LIGHTS
+		irradiance *= PI;
+	#endif
+	#ifndef STANDARD
+		float clearCoatDHR = material.clearCoat * clearCoatDHRApprox( material.clearCoatRoughness, dotNL );
+	#else
+		float clearCoatDHR = 0.0;
+	#endif
+	reflectedLight.directSpecular += ( 1.0 - clearCoatDHR ) * irradiance * BRDF_Specular_GGX( directLight, geometry, material.specularColor, material.specularRoughness );
+	reflectedLight.directDiffuse += ( 1.0 - clearCoatDHR ) * irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );
+	#ifndef STANDARD
+		reflectedLight.directSpecular += irradiance * material.clearCoat * BRDF_Specular_GGX( directLight, geometry, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearCoatRoughness );
+	#endif
+}
+void RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {
+	#ifndef ENVMAP_TYPE_CUBE_UV
+		reflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );
+	#endif
+}
+void RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearCoatRadiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {
+	#ifndef STANDARD
+		float dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );
+		float dotNL = dotNV;
+		float clearCoatDHR = material.clearCoat * clearCoatDHRApprox( material.clearCoatRoughness, dotNL );
+	#else
+		float clearCoatDHR = 0.0;
+	#endif
+	float clearCoatInv = 1.0 - clearCoatDHR;
+	#if defined( ENVMAP_TYPE_CUBE_UV )
+		vec3 singleScattering = vec3( 0.0 );
+		vec3 multiScattering = vec3( 0.0 );
+		vec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;
+		BRDF_Specular_Multiscattering_Environment( geometry, material.specularColor, material.specularRoughness, singleScattering, multiScattering );
+		vec3 diffuse = material.diffuseColor * ( 1.0 - ( singleScattering + multiScattering ) );
+		reflectedLight.indirectSpecular += clearCoatInv * radiance * singleScattering;
+		reflectedLight.indirectDiffuse += multiScattering * cosineWeightedIrradiance;
+		reflectedLight.indirectDiffuse += diffuse * cosineWeightedIrradiance;
+	#else
+		reflectedLight.indirectSpecular += clearCoatInv * radiance * BRDF_Specular_GGX_Environment( geometry, material.specularColor, material.specularRoughness );
+	#endif
+	#ifndef STANDARD
+		reflectedLight.indirectSpecular += clearCoatRadiance * material.clearCoat * BRDF_Specular_GGX_Environment( geometry, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearCoatRoughness );
+	#endif
+}
+#define RE_Direct				RE_Direct_Physical
+#define RE_Direct_RectArea		RE_Direct_RectArea_Physical
+#define RE_IndirectDiffuse		RE_IndirectDiffuse_Physical
+#define RE_IndirectSpecular		RE_IndirectSpecular_Physical
+#define Material_BlinnShininessExponent( material )   GGXRoughnessToBlinnExponent( material.specularRoughness )
+#define Material_ClearCoat_BlinnShininessExponent( material )   GGXRoughnessToBlinnExponent( material.clearCoatRoughness )
+float computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {
+	return saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );
+}
+#ifdef USE_SHADOWMAP
+	#if 1 > 0
+		uniform sampler2D directionalShadowMap[ 1 ];
+		varying vec4 vDirectionalShadowCoord[ 1 ];
+	#endif
+	#if 0 > 0
+		uniform sampler2D spotShadowMap[ 0 ];
+		varying vec4 vSpotShadowCoord[ 0 ];
+	#endif
+	#if 0 > 0
+		uniform sampler2D pointShadowMap[ 0 ];
+		varying vec4 vPointShadowCoord[ 0 ];
+	#endif
+	float texture2DCompare( sampler2D depths, vec2 uv, float compare ) {
+		return step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );
+	}
+	float texture2DShadowLerp( sampler2D depths, vec2 size, vec2 uv, float compare ) {
+		const vec2 offset = vec2( 0.0, 1.0 );
+		vec2 texelSize = vec2( 1.0 ) / size;
+		vec2 centroidUV = floor( uv * size + 0.5 ) / size;
+		float lb = texture2DCompare( depths, centroidUV + texelSize * offset.xx, compare );
+		float lt = texture2DCompare( depths, centroidUV + texelSize * offset.xy, compare );
+		float rb = texture2DCompare( depths, centroidUV + texelSize * offset.yx, compare );
+		float rt = texture2DCompare( depths, centroidUV + texelSize * offset.yy, compare );
+		vec2 f = fract( uv * size + 0.5 );
+		float a = mix( lb, lt, f.y );
+		float b = mix( rb, rt, f.y );
+		float c = mix( a, b, f.x );
+		return c;
+	}
+	float getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {
+		float shadow = 1.0;
+		shadowCoord.xyz /= shadowCoord.w;
+		shadowCoord.z += shadowBias;
+		bvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 );
+		bool inFrustum = all( inFrustumVec );
+		bvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 );
+		bool frustumTest = all( frustumTestVec );
+		if ( frustumTest ) {
+		#if defined( SHADOWMAP_TYPE_PCF )
+			vec2 texelSize = vec2( 1.0 ) / shadowMapSize;
+			float dx0 = - texelSize.x * shadowRadius;
+			float dy0 = - texelSize.y * shadowRadius;
+			float dx1 = + texelSize.x * shadowRadius;
+			float dy1 = + texelSize.y * shadowRadius;
+			float dx2 = dx0 / 2.0;
+			float dy2 = dy0 / 2.0;
+			float dx3 = dx1 / 2.0;
+			float dy3 = dy1 / 2.0;
+			shadow = (
+				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +
+				texture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +
+				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +
+				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy2 ), shadowCoord.z ) +
+				texture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy2 ), shadowCoord.z ) +
+				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy2 ), shadowCoord.z ) +
+				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +
+				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, 0.0 ), shadowCoord.z ) +
+				texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +
+				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, 0.0 ), shadowCoord.z ) +
+				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +
+				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy3 ), shadowCoord.z ) +
+				texture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy3 ), shadowCoord.z ) +
+				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy3 ), shadowCoord.z ) +
+				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +
+				texture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +
+				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )
+			) * ( 1.0 / 17.0 );
+		#elif defined( SHADOWMAP_TYPE_PCF_SOFT )
+			vec2 texelSize = vec2( 1.0 ) / shadowMapSize;
+			float dx0 = - texelSize.x * shadowRadius;
+			float dy0 = - texelSize.y * shadowRadius;
+			float dx1 = + texelSize.x * shadowRadius;
+			float dy1 = + texelSize.y * shadowRadius;
+			shadow = (
+				texture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +
+				texture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +
+				texture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +
+				texture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +
+				texture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy, shadowCoord.z ) +
+				texture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +
+				texture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +
+				texture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +
+				texture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )
+			) * ( 1.0 / 9.0 );
+		#else
+			shadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );
+		#endif
+		}
+		return shadow;
+	}
+	vec2 cubeToUV( vec3 v, float texelSizeY ) {
+		vec3 absV = abs( v );
+		float scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );
+		absV *= scaleToCube;
+		v *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );
+		vec2 planar = v.xy;
+		float almostATexel = 1.5 * texelSizeY;
+		float almostOne = 1.0 - almostATexel;
+		if ( absV.z >= almostOne ) {
+			if ( v.z > 0.0 )
+				planar.x = 4.0 - v.x;
+		} else if ( absV.x >= almostOne ) {
+			float signX = sign( v.x );
+			planar.x = v.z * signX + 2.0 * signX;
+		} else if ( absV.y >= almostOne ) {
+			float signY = sign( v.y );
+			planar.x = v.x + 2.0 * signY + 2.0;
+			planar.y = v.z * signY - 2.0;
+		}
+		return vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );
+	}
+	float getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {
+		vec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );
+		vec3 lightToPosition = shadowCoord.xyz;
+		float dp = ( length( lightToPosition ) - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear );		dp += shadowBias;
+		vec3 bd3D = normalize( lightToPosition );
+		#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT )
+			vec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;
+			return (
+				texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +
+				texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +
+				texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +
+				texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +
+				texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +
+				texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +
+				texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +
+				texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +
+				texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )
+			) * ( 1.0 / 9.0 );
+		#else
+			return texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );
+		#endif
+	}
+#endif
+#ifdef USE_BUMPMAP
+	uniform sampler2D bumpMap;
+	uniform float bumpScale;
+	vec2 dHdxy_fwd() {
+		vec2 dSTdx = dFdx( vUv );
+		vec2 dSTdy = dFdy( vUv );
+		float Hll = bumpScale * texture2D( bumpMap, vUv ).x;
+		float dBx = bumpScale * texture2D( bumpMap, vUv + dSTdx ).x - Hll;
+		float dBy = bumpScale * texture2D( bumpMap, vUv + dSTdy ).x - Hll;
+		return vec2( dBx, dBy );
+	}
+	vec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy ) {
+		vec3 vSigmaX = vec3( dFdx( surf_pos.x ), dFdx( surf_pos.y ), dFdx( surf_pos.z ) );
+		vec3 vSigmaY = vec3( dFdy( surf_pos.x ), dFdy( surf_pos.y ), dFdy( surf_pos.z ) );
+		vec3 vN = surf_norm;
+		vec3 R1 = cross( vSigmaY, vN );
+		vec3 R2 = cross( vN, vSigmaX );
+		float fDet = dot( vSigmaX, R1 );
+		fDet *= ( float( gl_FrontFacing ) * 2.0 - 1.0 );
+		vec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );
+		return normalize( abs( fDet ) * surf_norm - vGrad );
+	}
+#endif
+#ifdef USE_NORMALMAP
+	uniform sampler2D normalMap;
+	uniform vec2 normalScale;
+	#ifdef OBJECTSPACE_NORMALMAP
+		uniform mat3 normalMatrix;
+	#else
+		vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm ) {
+			vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );
+			vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );
+			vec2 st0 = dFdx( vUv.st );
+			vec2 st1 = dFdy( vUv.st );
+			float scale = sign( st1.t * st0.s - st0.t * st1.s );
+			vec3 S = normalize( ( q0 * st1.t - q1 * st0.t ) * scale );
+			vec3 T = normalize( ( - q0 * st1.s + q1 * st0.s ) * scale );
+			vec3 N = normalize( surf_norm );
+			mat3 tsn = mat3( S, T, N );
+			vec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;
+			mapN.xy *= normalScale;
+			mapN.xy *= ( float( gl_FrontFacing ) * 2.0 - 1.0 );
+			return normalize( tsn * mapN );
+		}
+	#endif
+#endif
+#ifdef USE_ROUGHNESSMAP
+	uniform sampler2D roughnessMap;
+#endif
+#ifdef USE_METALNESSMAP
+	uniform sampler2D metalnessMap;
+#endif
+#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )
+	uniform float logDepthBufFC;
+	varying float vFragDepth;
+#endif
+#if 0 > 0
+	#if ! defined( PHYSICAL ) && ! defined( PHONG ) && ! defined( MATCAP )
+		varying vec3 vViewPosition;
+	#endif
+	uniform vec4 clippingPlanes[ 0 ];
+#endif
+void main() {
+#if 0 > 0
+	vec4 plane;
+	
+	#if 0 < 0
+		bool clipped = true;
+		
+		if ( clipped ) discard;
+	#endif
+#endif
+	vec4 diffuseColor = vec4( diffuse, opacity );
+	ReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );
+	vec3 totalEmissiveRadiance = emissive;
+#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )
+	gl_FragDepthEXT = log2( vFragDepth ) * logDepthBufFC * 0.5;
+#endif
+#ifdef USE_MAP
+	vec4 texelColor = texture2D( map, vUv );
+	texelColor = mapTexelToLinear( texelColor );
+	diffuseColor *= texelColor;
+#endif
+#ifdef USE_COLOR
+	diffuseColor.rgb *= vColor;
+#endif
+#ifdef USE_ALPHAMAP
+	diffuseColor.a *= texture2D( alphaMap, vUv ).g;
+#endif
+#ifdef ALPHATEST
+	if ( diffuseColor.a < ALPHATEST ) discard;
+#endif
+float roughnessFactor = roughness;
+#ifdef USE_ROUGHNESSMAP
+	vec4 texelRoughness = texture2D( roughnessMap, vUv );
+	roughnessFactor *= texelRoughness.g;
+#endif
+float metalnessFactor = metalness;
+#ifdef USE_METALNESSMAP
+	vec4 texelMetalness = texture2D( metalnessMap, vUv );
+	metalnessFactor *= texelMetalness.b;
+#endif
+#ifdef FLAT_SHADED
+	vec3 fdx = vec3( dFdx( vViewPosition.x ), dFdx( vViewPosition.y ), dFdx( vViewPosition.z ) );
+	vec3 fdy = vec3( dFdy( vViewPosition.x ), dFdy( vViewPosition.y ), dFdy( vViewPosition.z ) );
+	vec3 normal = normalize( cross( fdx, fdy ) );
+#else
+	vec3 normal = normalize( vNormal );
+	#ifdef DOUBLE_SIDED
+		normal = normal * ( float( gl_FrontFacing ) * 2.0 - 1.0 );
+	#endif
+	#ifdef USE_TANGENT
+		vec3 tangent = normalize( vTangent );
+		vec3 bitangent = normalize( vBitangent );
+		#ifdef DOUBLE_SIDED
+			tangent = tangent * ( float( gl_FrontFacing ) * 2.0 - 1.0 );
+			bitangent = bitangent * ( float( gl_FrontFacing ) * 2.0 - 1.0 );
+		#endif
+	#endif
+#endif
+#ifdef USE_NORMALMAP
+	#ifdef OBJECTSPACE_NORMALMAP
+		normal = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;
+		#ifdef FLIP_SIDED
+			normal = - normal;
+		#endif
+		#ifdef DOUBLE_SIDED
+			normal = normal * ( float( gl_FrontFacing ) * 2.0 - 1.0 );
+		#endif
+		normal = normalize( normalMatrix * normal );
+	#else
+		#ifdef USE_TANGENT
+			mat3 vTBN = mat3( tangent, bitangent, normal );
+			vec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;
+			mapN.xy = normalScale * mapN.xy;
+			normal = normalize( vTBN * mapN );
+		#else
+			normal = perturbNormal2Arb( -vViewPosition, normal );
+		#endif
+	#endif
+#elif defined( USE_BUMPMAP )
+	normal = perturbNormalArb( -vViewPosition, normal, dHdxy_fwd() );
+#endif
+#ifdef USE_EMISSIVEMAP
+	vec4 emissiveColor = texture2D( emissiveMap, vUv );
+	emissiveColor.rgb = emissiveMapTexelToLinear( emissiveColor ).rgb;
+	totalEmissiveRadiance *= emissiveColor.rgb;
+#endif
+PhysicalMaterial material;
+material.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );
+material.specularRoughness = clamp( roughnessFactor, 0.04, 1.0 );
+#ifdef STANDARD
+	material.specularColor = mix( vec3( DEFAULT_SPECULAR_COEFFICIENT ), diffuseColor.rgb, metalnessFactor );
+#else
+	material.specularColor = mix( vec3( MAXIMUM_SPECULAR_COEFFICIENT * pow2( reflectivity ) ), diffuseColor.rgb, metalnessFactor );
+	material.clearCoat = saturate( clearCoat );	material.clearCoatRoughness = clamp( clearCoatRoughness, 0.04, 1.0 );
+#endif
+
+GeometricContext geometry;
+geometry.position = - vViewPosition;
+geometry.normal = normal;
+geometry.viewDir = normalize( vViewPosition );
+IncidentLight directLight;
+#if ( 0 > 0 ) && defined( RE_Direct )
+	PointLight pointLight;
+	
+#endif
+#if ( 0 > 0 ) && defined( RE_Direct )
+	SpotLight spotLight;
+	
+#endif
+#if ( 1 > 0 ) && defined( RE_Direct )
+	DirectionalLight directionalLight;
+	
+		directionalLight = directionalLights[ 0 ];
+		getDirectionalDirectLightIrradiance( directionalLight, geometry, directLight );
+		#ifdef USE_SHADOWMAP
+		directLight.color *= all( bvec2( directionalLight.shadow, directLight.visible ) ) ? getShadow( directionalShadowMap[ 0 ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ 0 ] ) : 1.0;
+		#endif
+		RE_Direct( directLight, geometry, material, reflectedLight );
+	
+#endif
+#if ( 0 > 0 ) && defined( RE_Direct_RectArea )
+	RectAreaLight rectAreaLight;
+	
+#endif
+#if defined( RE_IndirectDiffuse )
+	vec3 irradiance = getAmbientLightIrradiance( ambientLightColor );
+	irradiance += getLightProbeIrradiance( lightProbe, geometry );
+	#if ( 0 > 0 )
+		
+	#endif
+#endif
+#if defined( RE_IndirectSpecular )
+	vec3 radiance = vec3( 0.0 );
+	vec3 clearCoatRadiance = vec3( 0.0 );
+#endif
+#if defined( RE_IndirectDiffuse )
+	#ifdef USE_LIGHTMAP
+		vec3 lightMapIrradiance = texture2D( lightMap, vUv2 ).xyz * lightMapIntensity;
+		#ifndef PHYSICALLY_CORRECT_LIGHTS
+			lightMapIrradiance *= PI;
+		#endif
+		irradiance += lightMapIrradiance;
+	#endif
+	#if defined( USE_ENVMAP ) && defined( PHYSICAL ) && defined( ENVMAP_TYPE_CUBE_UV )
+		irradiance += getLightProbeIndirectIrradiance( geometry, maxMipLevel );
+	#endif
+#endif
+#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )
+	radiance += getLightProbeIndirectRadiance( geometry, Material_BlinnShininessExponent( material ), maxMipLevel );
+	#ifndef STANDARD
+		clearCoatRadiance += getLightProbeIndirectRadiance( geometry, Material_ClearCoat_BlinnShininessExponent( material ), maxMipLevel );
+	#endif
+#endif
+#if defined( RE_IndirectDiffuse )
+	RE_IndirectDiffuse( irradiance, geometry, material, reflectedLight );
+#endif
+#if defined( RE_IndirectSpecular )
+	RE_IndirectSpecular( radiance, irradiance, clearCoatRadiance, geometry, material, reflectedLight );
+#endif
+#ifdef USE_AOMAP
+	float ambientOcclusion = ( texture2D( aoMap, vUv2 ).r - 1.0 ) * aoMapIntensity + 1.0;
+	reflectedLight.indirectDiffuse *= ambientOcclusion;
+	#if defined( USE_ENVMAP ) && defined( PHYSICAL )
+		float dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );
+		reflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.specularRoughness );
+	#endif
+#endif
+	vec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;
+	gl_FragColor = vec4( outgoingLight, diffuseColor.a );
+#if defined( TONE_MAPPING )
+	gl_FragColor.rgb = toneMapping( gl_FragColor.rgb );
+#endif
+gl_FragColor = linearToOutputTexel( gl_FragColor );
+#ifdef USE_FOG
+	#ifdef FOG_EXP2
+		float fogFactor = whiteCompliment( exp2( - fogDensity * fogDensity * fogDepth * fogDepth * LOG2 ) );
+	#else
+		float fogFactor = smoothstep( fogNear, fogFar, fogDepth );
+	#endif
+	gl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );
+#endif
+#ifdef PREMULTIPLIED_ALPHA
+	gl_FragColor.rgb *= gl_FragColor.a;
+#endif
+#if defined( DITHERING )
+	gl_FragColor.rgb = dithering( gl_FragColor.rgb );
+#endif
+}
\ No newline at end of file