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phong_fragment_img
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tengge1
parent
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@ -0,0 +1,990 @@
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precision highp float;
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precision highp int;
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#define SHADER_NAME MeshPhongMaterial
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#define GAMMA_FACTOR 2
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#define USE_MAP
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#define USE_SHADOWMAP
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#define SHADOWMAP_TYPE_PCF_SOFT
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uniform mat4 viewMatrix;
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uniform vec3 cameraPosition;
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#define TONE_MAPPING
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#ifndef saturate
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#define saturate(a) clamp( a, 0.0, 1.0 )
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#endif
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uniform float toneMappingExposure;
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uniform float toneMappingWhitePoint;
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vec3 LinearToneMapping( vec3 color ) {
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return toneMappingExposure * color;
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}
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vec3 ReinhardToneMapping( vec3 color ) {
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color *= toneMappingExposure;
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return saturate( color / ( vec3( 1.0 ) + color ) );
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}
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#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 ) )
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vec3 Uncharted2ToneMapping( vec3 color ) {
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color *= toneMappingExposure;
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return saturate( Uncharted2Helper( color ) / Uncharted2Helper( vec3( toneMappingWhitePoint ) ) );
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}
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vec3 OptimizedCineonToneMapping( vec3 color ) {
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color *= toneMappingExposure;
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color = max( vec3( 0.0 ), color - 0.004 );
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return pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );
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}
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vec3 ACESFilmicToneMapping( vec3 color ) {
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color *= toneMappingExposure;
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return saturate( ( color * ( 2.51 * color + 0.03 ) ) / ( color * ( 2.43 * color + 0.59 ) + 0.14 ) );
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}
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vec3 toneMapping( vec3 color ) { return LinearToneMapping( color ); }
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vec4 LinearToLinear( in vec4 value ) {
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return value;
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}
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vec4 GammaToLinear( in vec4 value, in float gammaFactor ) {
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return vec4( pow( value.rgb, vec3( gammaFactor ) ), value.a );
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}
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vec4 LinearToGamma( in vec4 value, in float gammaFactor ) {
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return vec4( pow( value.rgb, vec3( 1.0 / gammaFactor ) ), value.a );
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}
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vec4 sRGBToLinear( in vec4 value ) {
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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 );
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}
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vec4 LinearTosRGB( in vec4 value ) {
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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 );
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}
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vec4 RGBEToLinear( in vec4 value ) {
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return vec4( value.rgb * exp2( value.a * 255.0 - 128.0 ), 1.0 );
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}
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vec4 LinearToRGBE( in vec4 value ) {
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float maxComponent = max( max( value.r, value.g ), value.b );
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float fExp = clamp( ceil( log2( maxComponent ) ), -128.0, 127.0 );
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return vec4( value.rgb / exp2( fExp ), ( fExp + 128.0 ) / 255.0 );
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}
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vec4 RGBMToLinear( in vec4 value, in float maxRange ) {
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return vec4( value.rgb * value.a * maxRange, 1.0 );
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}
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vec4 LinearToRGBM( in vec4 value, in float maxRange ) {
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float maxRGB = max( value.r, max( value.g, value.b ) );
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float M = clamp( maxRGB / maxRange, 0.0, 1.0 );
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M = ceil( M * 255.0 ) / 255.0;
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return vec4( value.rgb / ( M * maxRange ), M );
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}
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vec4 RGBDToLinear( in vec4 value, in float maxRange ) {
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return vec4( value.rgb * ( ( maxRange / 255.0 ) / value.a ), 1.0 );
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}
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vec4 LinearToRGBD( in vec4 value, in float maxRange ) {
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float maxRGB = max( value.r, max( value.g, value.b ) );
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float D = max( maxRange / maxRGB, 1.0 );
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D = min( floor( D ) / 255.0, 1.0 );
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return vec4( value.rgb * ( D * ( 255.0 / maxRange ) ), D );
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}
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const mat3 cLogLuvM = mat3( 0.2209, 0.3390, 0.4184, 0.1138, 0.6780, 0.7319, 0.0102, 0.1130, 0.2969 );
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vec4 LinearToLogLuv( in vec4 value ) {
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vec3 Xp_Y_XYZp = cLogLuvM * value.rgb;
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Xp_Y_XYZp = max( Xp_Y_XYZp, vec3( 1e-6, 1e-6, 1e-6 ) );
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vec4 vResult;
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vResult.xy = Xp_Y_XYZp.xy / Xp_Y_XYZp.z;
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float Le = 2.0 * log2(Xp_Y_XYZp.y) + 127.0;
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vResult.w = fract( Le );
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vResult.z = ( Le - ( floor( vResult.w * 255.0 ) ) / 255.0 ) / 255.0;
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return vResult;
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}
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const mat3 cLogLuvInverseM = mat3( 6.0014, -2.7008, -1.7996, -1.3320, 3.1029, -5.7721, 0.3008, -1.0882, 5.6268 );
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vec4 LogLuvToLinear( in vec4 value ) {
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float Le = value.z * 255.0 + value.w;
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vec3 Xp_Y_XYZp;
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Xp_Y_XYZp.y = exp2( ( Le - 127.0 ) / 2.0 );
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Xp_Y_XYZp.z = Xp_Y_XYZp.y / value.y;
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Xp_Y_XYZp.x = value.x * Xp_Y_XYZp.z;
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vec3 vRGB = cLogLuvInverseM * Xp_Y_XYZp.rgb;
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return vec4( max( vRGB, 0.0 ), 1.0 );
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}
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vec4 mapTexelToLinear( vec4 value ) { return LinearToLinear( value ); }
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vec4 matcapTexelToLinear( vec4 value ) { return LinearToLinear( value ); }
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vec4 envMapTexelToLinear( vec4 value ) { return LinearToLinear( value ); }
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vec4 emissiveMapTexelToLinear( vec4 value ) { return LinearToLinear( value ); }
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vec4 linearToOutputTexel( vec4 value ) { return LinearToLinear( value ); }
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#define PHONG
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uniform vec3 diffuse;
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uniform vec3 emissive;
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uniform vec3 specular;
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uniform float shininess;
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uniform float opacity;
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#define PI 3.14159265359
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#define PI2 6.28318530718
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#define PI_HALF 1.5707963267949
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#define RECIPROCAL_PI 0.31830988618
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#define RECIPROCAL_PI2 0.15915494
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#define LOG2 1.442695
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#define EPSILON 1e-6
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#define saturate(a) clamp( a, 0.0, 1.0 )
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#define whiteCompliment(a) ( 1.0 - saturate( a ) )
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float pow2( const in float x ) { return x*x; }
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float pow3( const in float x ) { return x*x*x; }
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float pow4( const in float x ) { float x2 = x*x; return x2*x2; }
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float average( const in vec3 color ) { return dot( color, vec3( 0.3333 ) ); }
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highp float rand( const in vec2 uv ) {
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const highp float a = 12.9898, b = 78.233, c = 43758.5453;
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highp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );
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return fract(sin(sn) * c);
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}
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struct IncidentLight {
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vec3 color;
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vec3 direction;
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bool visible;
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};
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struct ReflectedLight {
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vec3 directDiffuse;
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vec3 directSpecular;
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vec3 indirectDiffuse;
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vec3 indirectSpecular;
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};
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struct GeometricContext {
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vec3 position;
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vec3 normal;
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vec3 viewDir;
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};
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vec3 transformDirection( in vec3 dir, in mat4 matrix ) {
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return normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );
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}
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vec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {
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return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );
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}
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vec3 projectOnPlane(in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {
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float distance = dot( planeNormal, point - pointOnPlane );
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return - distance * planeNormal + point;
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}
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float sideOfPlane( in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {
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return sign( dot( point - pointOnPlane, planeNormal ) );
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}
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vec3 linePlaneIntersect( in vec3 pointOnLine, in vec3 lineDirection, in vec3 pointOnPlane, in vec3 planeNormal ) {
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return lineDirection * ( dot( planeNormal, pointOnPlane - pointOnLine ) / dot( planeNormal, lineDirection ) ) + pointOnLine;
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}
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mat3 transposeMat3( const in mat3 m ) {
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mat3 tmp;
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tmp[ 0 ] = vec3( m[ 0 ].x, m[ 1 ].x, m[ 2 ].x );
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tmp[ 1 ] = vec3( m[ 0 ].y, m[ 1 ].y, m[ 2 ].y );
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tmp[ 2 ] = vec3( m[ 0 ].z, m[ 1 ].z, m[ 2 ].z );
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return tmp;
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}
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float linearToRelativeLuminance( const in vec3 color ) {
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vec3 weights = vec3( 0.2126, 0.7152, 0.0722 );
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return dot( weights, color.rgb );
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}
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vec3 packNormalToRGB( const in vec3 normal ) {
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return normalize( normal ) * 0.5 + 0.5;
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}
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vec3 unpackRGBToNormal( const in vec3 rgb ) {
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return 2.0 * rgb.xyz - 1.0;
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}
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const float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;
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const vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. );
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const vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );
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const float ShiftRight8 = 1. / 256.;
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vec4 packDepthToRGBA( const in float v ) {
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vec4 r = vec4( fract( v * PackFactors ), v );
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r.yzw -= r.xyz * ShiftRight8; return r * PackUpscale;
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}
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float unpackRGBAToDepth( const in vec4 v ) {
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return dot( v, UnpackFactors );
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}
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float viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {
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return ( viewZ + near ) / ( near - far );
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}
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float orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {
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return linearClipZ * ( near - far ) - near;
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}
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float viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {
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return (( near + viewZ ) * far ) / (( far - near ) * viewZ );
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}
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float perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {
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return ( near * far ) / ( ( far - near ) * invClipZ - far );
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}
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#if defined( DITHERING )
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vec3 dithering( vec3 color ) {
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float grid_position = rand( gl_FragCoord.xy );
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vec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );
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dither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );
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return color + dither_shift_RGB;
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}
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#endif
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#ifdef USE_COLOR
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varying vec3 vColor;
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#endif
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#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 )
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varying vec2 vUv;
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#endif
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#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )
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varying vec2 vUv2;
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#endif
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#ifdef USE_MAP
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uniform sampler2D map;
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#endif
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#ifdef USE_ALPHAMAP
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uniform sampler2D alphaMap;
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#endif
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#ifdef USE_AOMAP
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uniform sampler2D aoMap;
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uniform float aoMapIntensity;
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#endif
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#ifdef USE_LIGHTMAP
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uniform sampler2D lightMap;
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uniform float lightMapIntensity;
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#endif
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#ifdef USE_EMISSIVEMAP
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uniform sampler2D emissiveMap;
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#endif
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#if defined( USE_ENVMAP ) || defined( PHYSICAL )
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uniform float reflectivity;
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uniform float envMapIntensity;
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#endif
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#ifdef USE_ENVMAP
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#if ! defined( PHYSICAL ) && ( defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) )
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varying vec3 vWorldPosition;
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#endif
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#ifdef ENVMAP_TYPE_CUBE
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uniform samplerCube envMap;
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#else
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uniform sampler2D envMap;
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#endif
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uniform float flipEnvMap;
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uniform int maxMipLevel;
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#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( PHYSICAL )
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uniform float refractionRatio;
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#else
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varying vec3 vReflect;
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#endif
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#endif
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#ifdef TOON
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uniform sampler2D gradientMap;
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vec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {
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float dotNL = dot( normal, lightDirection );
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vec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );
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#ifdef USE_GRADIENTMAP
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return texture2D( gradientMap, coord ).rgb;
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#else
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return ( coord.x < 0.7 ) ? vec3( 0.7 ) : vec3( 1.0 );
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#endif
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}
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#endif
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#ifdef USE_FOG
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uniform vec3 fogColor;
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varying float fogDepth;
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#ifdef FOG_EXP2
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uniform float fogDensity;
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#else
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uniform float fogNear;
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uniform float fogFar;
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#endif
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#endif
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vec2 integrateSpecularBRDF( const in float dotNV, const in float roughness ) {
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const vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );
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const vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );
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vec4 r = roughness * c0 + c1;
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float a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;
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return vec2( -1.04, 1.04 ) * a004 + r.zw;
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}
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float punctualLightIntensityToIrradianceFactor( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {
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#if defined ( PHYSICALLY_CORRECT_LIGHTS )
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float distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );
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if( cutoffDistance > 0.0 ) {
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distanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );
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}
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return distanceFalloff;
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#else
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if( cutoffDistance > 0.0 && decayExponent > 0.0 ) {
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return pow( saturate( -lightDistance / cutoffDistance + 1.0 ), decayExponent );
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}
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return 1.0;
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#endif
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}
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vec3 BRDF_Diffuse_Lambert( const in vec3 diffuseColor ) {
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return RECIPROCAL_PI * diffuseColor;
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}
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vec3 F_Schlick( const in vec3 specularColor, const in float dotLH ) {
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float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );
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return ( 1.0 - specularColor ) * fresnel + specularColor;
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}
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vec3 F_Schlick_RoughnessDependent( const in vec3 F0, const in float dotNV, const in float roughness ) {
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float fresnel = exp2( ( -5.55473 * dotNV - 6.98316 ) * dotNV );
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vec3 Fr = max( vec3( 1.0 - roughness ), F0 ) - F0;
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return Fr * fresnel + F0;
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}
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float G_GGX_Smith( const in float alpha, const in float dotNL, const in float dotNV ) {
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float a2 = pow2( alpha );
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float gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );
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float gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );
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return 1.0 / ( gl * gv );
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}
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float G_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {
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float a2 = pow2( alpha );
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float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );
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float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );
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return 0.5 / max( gv + gl, EPSILON );
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}
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float D_GGX( const in float alpha, const in float dotNH ) {
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float a2 = pow2( alpha );
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float denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;
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return RECIPROCAL_PI * a2 / pow2( denom );
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}
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vec3 BRDF_Specular_GGX( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float roughness ) {
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float alpha = pow2( roughness );
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vec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );
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float dotNL = saturate( dot( geometry.normal, incidentLight.direction ) );
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float dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );
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float dotNH = saturate( dot( geometry.normal, halfDir ) );
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float dotLH = saturate( dot( incidentLight.direction, halfDir ) );
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vec3 F = F_Schlick( specularColor, dotLH );
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float G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );
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float D = D_GGX( alpha, dotNH );
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return F * ( G * D );
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}
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vec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {
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const float LUT_SIZE = 64.0;
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const float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;
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const float LUT_BIAS = 0.5 / LUT_SIZE;
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float dotNV = saturate( dot( N, V ) );
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vec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );
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uv = uv * LUT_SCALE + LUT_BIAS;
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return uv;
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}
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float LTC_ClippedSphereFormFactor( const in vec3 f ) {
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float l = length( f );
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return max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );
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}
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vec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {
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float x = dot( v1, v2 );
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float y = abs( x );
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float a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;
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float b = 3.4175940 + ( 4.1616724 + y ) * y;
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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 ) );
|
||||
}
|
||||
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
|
||||
varying vec3 vViewPosition;
|
||||
#ifndef FLAT_SHADED
|
||||
varying vec3 vNormal;
|
||||
#endif
|
||||
struct BlinnPhongMaterial {
|
||||
vec3 diffuseColor;
|
||||
vec3 specularColor;
|
||||
float specularShininess;
|
||||
float specularStrength;
|
||||
};
|
||||
void RE_Direct_BlinnPhong( const in IncidentLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {
|
||||
#ifdef TOON
|
||||
vec3 irradiance = getGradientIrradiance( geometry.normal, directLight.direction ) * directLight.color;
|
||||
#else
|
||||
float dotNL = saturate( dot( geometry.normal, directLight.direction ) );
|
||||
vec3 irradiance = dotNL * directLight.color;
|
||||
#endif
|
||||
#ifndef PHYSICALLY_CORRECT_LIGHTS
|
||||
irradiance *= PI;
|
||||
#endif
|
||||
reflectedLight.directDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );
|
||||
reflectedLight.directSpecular += irradiance * BRDF_Specular_BlinnPhong( directLight, geometry, material.specularColor, material.specularShininess ) * material.specularStrength;
|
||||
}
|
||||
void RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {
|
||||
reflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );
|
||||
}
|
||||
#define RE_Direct RE_Direct_BlinnPhong
|
||||
#define RE_IndirectDiffuse RE_IndirectDiffuse_BlinnPhong
|
||||
#define Material_LightProbeLOD( material ) (0)
|
||||
#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_SPECULARMAP
|
||||
uniform sampler2D specularMap;
|
||||
#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 specularStrength;
|
||||
#ifdef USE_SPECULARMAP
|
||||
vec4 texelSpecular = texture2D( specularMap, vUv );
|
||||
specularStrength = texelSpecular.r;
|
||||
#else
|
||||
specularStrength = 1.0;
|
||||
#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
|
||||
BlinnPhongMaterial material;
|
||||
material.diffuseColor = diffuseColor.rgb;
|
||||
material.specularColor = specular;
|
||||
material.specularShininess = shininess;
|
||||
material.specularStrength = specularStrength;
|
||||
|
||||
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;
|
||||
#ifdef USE_ENVMAP
|
||||
#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )
|
||||
vec3 cameraToVertex = normalize( vWorldPosition - cameraPosition );
|
||||
vec3 worldNormal = inverseTransformDirection( normal, viewMatrix );
|
||||
#ifdef ENVMAP_MODE_REFLECTION
|
||||
vec3 reflectVec = reflect( cameraToVertex, worldNormal );
|
||||
#else
|
||||
vec3 reflectVec = refract( cameraToVertex, worldNormal, refractionRatio );
|
||||
#endif
|
||||
#else
|
||||
vec3 reflectVec = vReflect;
|
||||
#endif
|
||||
#ifdef ENVMAP_TYPE_CUBE
|
||||
vec4 envColor = textureCube( envMap, vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );
|
||||
#elif defined( ENVMAP_TYPE_EQUIREC )
|
||||
vec2 sampleUV;
|
||||
reflectVec = normalize( reflectVec );
|
||||
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;
|
||||
vec4 envColor = texture2D( envMap, sampleUV );
|
||||
#elif defined( ENVMAP_TYPE_SPHERE )
|
||||
reflectVec = normalize( reflectVec );
|
||||
vec3 reflectView = normalize( ( viewMatrix * vec4( reflectVec, 0.0 ) ).xyz + vec3( 0.0, 0.0, 1.0 ) );
|
||||
vec4 envColor = texture2D( envMap, reflectView.xy * 0.5 + 0.5 );
|
||||
#else
|
||||
vec4 envColor = vec4( 0.0 );
|
||||
#endif
|
||||
envColor = envMapTexelToLinear( envColor );
|
||||
#ifdef ENVMAP_BLENDING_MULTIPLY
|
||||
outgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );
|
||||
#elif defined( ENVMAP_BLENDING_MIX )
|
||||
outgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );
|
||||
#elif defined( ENVMAP_BLENDING_ADD )
|
||||
outgoingLight += envColor.xyz * specularStrength * reflectivity;
|
||||
#endif
|
||||
#endif
|
||||
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
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user