@babylonjs/core/Shaders/ShadersInclude/shadowsFragmentFunctions.js

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// Do not edit.
import { ShaderStore } from "../../Engines/shaderStore.js";
const name = "shadowsFragmentFunctions";
const shader = `#ifdef SHADOWS
#if defined(WEBGL2) || defined(WEBGPU) || defined(NATIVE)
#define TEXTUREFUNC(s,c,l) texture2DLodEXT(s,c,l)
#else
#define TEXTUREFUNC(s,c,b) texture2D(s,c,b)
#endif
#ifndef SHADOWFLOAT
float unpack(vec4 color)
{const vec4 bit_shift=vec4(1.0/(255.0*255.0*255.0),1.0/(255.0*255.0),1.0/255.0,1.0);return dot(color,bit_shift);}
#endif
float computeFallOff(float value,vec2 clipSpace,float frustumEdgeFalloff)
{float mask=smoothstep(1.0-frustumEdgeFalloff,1.00000012,clamp(dot(clipSpace,clipSpace),0.,1.));return mix(value,1.0,mask);}
#define inline
float computeShadowCube(vec3 worldPos,vec3 lightPosition,samplerCube shadowSampler,float darkness,vec2 depthValues)
{vec3 directionToLight=worldPos-lightPosition;float depth=length(directionToLight);depth=(depth+depthValues.x)/(depthValues.y);depth=clamp(depth,0.,1.0);directionToLight=normalize(directionToLight);directionToLight.y=-directionToLight.y;
#ifndef SHADOWFLOAT
float shadow=unpack(textureCube(shadowSampler,directionToLight));
#else
float shadow=textureCube(shadowSampler,directionToLight).x;
#endif
return depth>shadow ? darkness : 1.0;}
#define inline
float computeShadowWithPoissonSamplingCube(vec3 worldPos,vec3 lightPosition,samplerCube shadowSampler,float mapSize,float darkness,vec2 depthValues)
{vec3 directionToLight=worldPos-lightPosition;float depth=length(directionToLight);depth=(depth+depthValues.x)/(depthValues.y);depth=clamp(depth,0.,1.0);directionToLight=normalize(directionToLight);directionToLight.y=-directionToLight.y;float visibility=1.;vec3 poissonDisk[4];poissonDisk[0]=vec3(-1.0,1.0,-1.0);poissonDisk[1]=vec3(1.0,-1.0,-1.0);poissonDisk[2]=vec3(-1.0,-1.0,-1.0);poissonDisk[3]=vec3(1.0,-1.0,1.0);
#ifndef SHADOWFLOAT
if (unpack(textureCube(shadowSampler,directionToLight+poissonDisk[0]*mapSize))<depth) visibility-=0.25;if (unpack(textureCube(shadowSampler,directionToLight+poissonDisk[1]*mapSize))<depth) visibility-=0.25;if (unpack(textureCube(shadowSampler,directionToLight+poissonDisk[2]*mapSize))<depth) visibility-=0.25;if (unpack(textureCube(shadowSampler,directionToLight+poissonDisk[3]*mapSize))<depth) visibility-=0.25;
#else
if (textureCube(shadowSampler,directionToLight+poissonDisk[0]*mapSize).x<depth) visibility-=0.25;if (textureCube(shadowSampler,directionToLight+poissonDisk[1]*mapSize).x<depth) visibility-=0.25;if (textureCube(shadowSampler,directionToLight+poissonDisk[2]*mapSize).x<depth) visibility-=0.25;if (textureCube(shadowSampler,directionToLight+poissonDisk[3]*mapSize).x<depth) visibility-=0.25;
#endif
return min(1.0,visibility+darkness);}
#define inline
float computeShadowWithESMCube(vec3 worldPos,vec3 lightPosition,samplerCube shadowSampler,float darkness,float depthScale,vec2 depthValues)
{vec3 directionToLight=worldPos-lightPosition;float depth=length(directionToLight);depth=(depth+depthValues.x)/(depthValues.y);float shadowPixelDepth=clamp(depth,0.,1.0);directionToLight=normalize(directionToLight);directionToLight.y=-directionToLight.y;
#ifndef SHADOWFLOAT
float shadowMapSample=unpack(textureCube(shadowSampler,directionToLight));
#else
float shadowMapSample=textureCube(shadowSampler,directionToLight).x;
#endif
float esm=1.0-clamp(exp(min(87.,depthScale*shadowPixelDepth))*shadowMapSample,0.,1.-darkness);return esm;}
#define inline
float computeShadowWithCloseESMCube(vec3 worldPos,vec3 lightPosition,samplerCube shadowSampler,float darkness,float depthScale,vec2 depthValues)
{vec3 directionToLight=worldPos-lightPosition;float depth=length(directionToLight);depth=(depth+depthValues.x)/(depthValues.y);float shadowPixelDepth=clamp(depth,0.,1.0);directionToLight=normalize(directionToLight);directionToLight.y=-directionToLight.y;
#ifndef SHADOWFLOAT
float shadowMapSample=unpack(textureCube(shadowSampler,directionToLight));
#else
float shadowMapSample=textureCube(shadowSampler,directionToLight).x;
#endif
float esm=clamp(exp(min(87.,-depthScale*(shadowPixelDepth-shadowMapSample))),darkness,1.);return esm;}
#if defined(WEBGL2) || defined(WEBGPU) || defined(NATIVE)
#define inline
float computeShadowCSM(float layer,vec4 vPositionFromLight,float depthMetric,highp sampler2DArray shadowSampler,float darkness,float frustumEdgeFalloff)
{vec3 clipSpace=vPositionFromLight.xyz/vPositionFromLight.w;vec2 uv=0.5*clipSpace.xy+vec2(0.5);vec3 uvLayer=vec3(uv.x,uv.y,layer);float shadowPixelDepth=clamp(depthMetric,0.,1.0);
#ifndef SHADOWFLOAT
float shadow=unpack(texture2D(shadowSampler,uvLayer));
#else
float shadow=texture2D(shadowSampler,uvLayer).x;
#endif
return shadowPixelDepth>shadow ? computeFallOff(darkness,clipSpace.xy,frustumEdgeFalloff) : 1.;}
#endif
#define inline
float computeShadow(vec4 vPositionFromLight,float depthMetric,sampler2D shadowSampler,float darkness,float frustumEdgeFalloff)
{vec3 clipSpace=vPositionFromLight.xyz/vPositionFromLight.w;vec2 uv=0.5*clipSpace.xy+vec2(0.5);if (uv.x<0. || uv.x>1.0 || uv.y<0. || uv.y>1.0)
{return 1.0;}
else
{float shadowPixelDepth=clamp(depthMetric,0.,1.0);
#ifndef SHADOWFLOAT
float shadow=unpack(TEXTUREFUNC(shadowSampler,uv,0.));
#else
float shadow=TEXTUREFUNC(shadowSampler,uv,0.).x;
#endif
return shadowPixelDepth>shadow ? computeFallOff(darkness,clipSpace.xy,frustumEdgeFalloff) : 1.;}}
#define inline
float computeShadowWithPoissonSampling(vec4 vPositionFromLight,float depthMetric,sampler2D shadowSampler,float mapSize,float darkness,float frustumEdgeFalloff)
{vec3 clipSpace=vPositionFromLight.xyz/vPositionFromLight.w;vec2 uv=0.5*clipSpace.xy+vec2(0.5);if (uv.x<0. || uv.x>1.0 || uv.y<0. || uv.y>1.0)
{return 1.0;}
else
{float shadowPixelDepth=clamp(depthMetric,0.,1.0);float visibility=1.;vec2 poissonDisk[4];poissonDisk[0]=vec2(-0.94201624,-0.39906216);poissonDisk[1]=vec2(0.94558609,-0.76890725);poissonDisk[2]=vec2(-0.094184101,-0.92938870);poissonDisk[3]=vec2(0.34495938,0.29387760);
#ifndef SHADOWFLOAT
if (unpack(TEXTUREFUNC(shadowSampler,uv+poissonDisk[0]*mapSize,0.))<shadowPixelDepth) visibility-=0.25;if (unpack(TEXTUREFUNC(shadowSampler,uv+poissonDisk[1]*mapSize,0.))<shadowPixelDepth) visibility-=0.25;if (unpack(TEXTUREFUNC(shadowSampler,uv+poissonDisk[2]*mapSize,0.))<shadowPixelDepth) visibility-=0.25;if (unpack(TEXTUREFUNC(shadowSampler,uv+poissonDisk[3]*mapSize,0.))<shadowPixelDepth) visibility-=0.25;
#else
if (TEXTUREFUNC(shadowSampler,uv+poissonDisk[0]*mapSize,0.).x<shadowPixelDepth) visibility-=0.25;if (TEXTUREFUNC(shadowSampler,uv+poissonDisk[1]*mapSize,0.).x<shadowPixelDepth) visibility-=0.25;if (TEXTUREFUNC(shadowSampler,uv+poissonDisk[2]*mapSize,0.).x<shadowPixelDepth) visibility-=0.25;if (TEXTUREFUNC(shadowSampler,uv+poissonDisk[3]*mapSize,0.).x<shadowPixelDepth) visibility-=0.25;
#endif
return computeFallOff(min(1.0,visibility+darkness),clipSpace.xy,frustumEdgeFalloff);}}
#define inline
float computeShadowWithESM(vec4 vPositionFromLight,float depthMetric,sampler2D shadowSampler,float darkness,float depthScale,float frustumEdgeFalloff)
{vec3 clipSpace=vPositionFromLight.xyz/vPositionFromLight.w;vec2 uv=0.5*clipSpace.xy+vec2(0.5);if (uv.x<0. || uv.x>1.0 || uv.y<0. || uv.y>1.0)
{return 1.0;}
else
{float shadowPixelDepth=clamp(depthMetric,0.,1.0);
#ifndef SHADOWFLOAT
float shadowMapSample=unpack(TEXTUREFUNC(shadowSampler,uv,0.));
#else
float shadowMapSample=TEXTUREFUNC(shadowSampler,uv,0.).x;
#endif
float esm=1.0-clamp(exp(min(87.,depthScale*shadowPixelDepth))*shadowMapSample,0.,1.-darkness);return computeFallOff(esm,clipSpace.xy,frustumEdgeFalloff);}}
#define inline
float computeShadowWithCloseESM(vec4 vPositionFromLight,float depthMetric,sampler2D shadowSampler,float darkness,float depthScale,float frustumEdgeFalloff)
{vec3 clipSpace=vPositionFromLight.xyz/vPositionFromLight.w;vec2 uv=0.5*clipSpace.xy+vec2(0.5);if (uv.x<0. || uv.x>1.0 || uv.y<0. || uv.y>1.0)
{return 1.0;}
else
{float shadowPixelDepth=clamp(depthMetric,0.,1.0); 
#ifndef SHADOWFLOAT
float shadowMapSample=unpack(TEXTUREFUNC(shadowSampler,uv,0.));
#else
float shadowMapSample=TEXTUREFUNC(shadowSampler,uv,0.).x;
#endif
float esm=clamp(exp(min(87.,-depthScale*(shadowPixelDepth-shadowMapSample))),darkness,1.);return computeFallOff(esm,clipSpace.xy,frustumEdgeFalloff);}}
#ifdef IS_NDC_HALF_ZRANGE
#define ZINCLIP clipSpace.z
#else
#define ZINCLIP uvDepth.z
#endif
#if defined(WEBGL2) || defined(WEBGPU) || defined(NATIVE)
#define GREATEST_LESS_THAN_ONE 0.99999994
#define DISABLE_UNIFORMITY_ANALYSIS
#define inline
float computeShadowWithCSMPCF1(float layer,vec4 vPositionFromLight,float depthMetric,highp sampler2DArrayShadow shadowSampler,float darkness,float frustumEdgeFalloff)
{vec3 clipSpace=vPositionFromLight.xyz/vPositionFromLight.w;vec3 uvDepth=vec3(0.5*clipSpace.xyz+vec3(0.5));uvDepth.z=clamp(ZINCLIP,0.,GREATEST_LESS_THAN_ONE);vec4 uvDepthLayer=vec4(uvDepth.x,uvDepth.y,layer,uvDepth.z);float shadow=texture2D(shadowSampler,uvDepthLayer);shadow=mix(darkness,1.,shadow);return computeFallOff(shadow,clipSpace.xy,frustumEdgeFalloff);}
#define inline
float computeShadowWithCSMPCF3(float layer,vec4 vPositionFromLight,float depthMetric,highp sampler2DArrayShadow shadowSampler,vec2 shadowMapSizeAndInverse,float darkness,float frustumEdgeFalloff)
{vec3 clipSpace=vPositionFromLight.xyz/vPositionFromLight.w;vec3 uvDepth=vec3(0.5*clipSpace.xyz+vec3(0.5));uvDepth.z=clamp(ZINCLIP,0.,GREATEST_LESS_THAN_ONE);vec2 uv=uvDepth.xy*shadowMapSizeAndInverse.x; 
uv+=0.5; 
vec2 st=fract(uv); 
vec2 base_uv=floor(uv)-0.5; 
base_uv*=shadowMapSizeAndInverse.y; 
vec2 uvw0=3.-2.*st;vec2 uvw1=1.+2.*st;vec2 u=vec2((2.-st.x)/uvw0.x-1.,st.x/uvw1.x+1.)*shadowMapSizeAndInverse.y;vec2 v=vec2((2.-st.y)/uvw0.y-1.,st.y/uvw1.y+1.)*shadowMapSizeAndInverse.y;float shadow=0.;shadow+=uvw0.x*uvw0.y*texture2D(shadowSampler,vec4(base_uv.xy+vec2(u[0],v[0]),layer,uvDepth.z));shadow+=uvw1.x*uvw0.y*texture2D(shadowSampler,vec4(base_uv.xy+vec2(u[1],v[0]),layer,uvDepth.z));shadow+=uvw0.x*uvw1.y*texture2D(shadowSampler,vec4(base_uv.xy+vec2(u[0],v[1]),layer,uvDepth.z));shadow+=uvw1.x*uvw1.y*texture2D(shadowSampler,vec4(base_uv.xy+vec2(u[1],v[1]),layer,uvDepth.z));shadow=shadow/16.;shadow=mix(darkness,1.,shadow);return computeFallOff(shadow,clipSpace.xy,frustumEdgeFalloff);}
#define inline
float computeShadowWithCSMPCF5(float layer,vec4 vPositionFromLight,float depthMetric,highp sampler2DArrayShadow shadowSampler,vec2 shadowMapSizeAndInverse,float darkness,float frustumEdgeFalloff)
{vec3 clipSpace=vPositionFromLight.xyz/vPositionFromLight.w;vec3 uvDepth=vec3(0.5*clipSpace.xyz+vec3(0.5));uvDepth.z=clamp(ZINCLIP,0.,GREATEST_LESS_THAN_ONE);vec2 uv=uvDepth.xy*shadowMapSizeAndInverse.x; 
uv+=0.5; 
vec2 st=fract(uv); 
vec2 base_uv=floor(uv)-0.5; 
base_uv*=shadowMapSizeAndInverse.y; 
vec2 uvw0=4.-3.*st;vec2 uvw1=vec2(7.);vec2 uvw2=1.+3.*st;vec3 u=vec3((3.-2.*st.x)/uvw0.x-2.,(3.+st.x)/uvw1.x,st.x/uvw2.x+2.)*shadowMapSizeAndInverse.y;vec3 v=vec3((3.-2.*st.y)/uvw0.y-2.,(3.+st.y)/uvw1.y,st.y/uvw2.y+2.)*shadowMapSizeAndInverse.y;float shadow=0.;shadow+=uvw0.x*uvw0.y*texture2D(shadowSampler,vec4(base_uv.xy+vec2(u[0],v[0]),layer,uvDepth.z));shadow+=uvw1.x*uvw0.y*texture2D(shadowSampler,vec4(base_uv.xy+vec2(u[1],v[0]),layer,uvDepth.z));shadow+=uvw2.x*uvw0.y*texture2D(shadowSampler,vec4(base_uv.xy+vec2(u[2],v[0]),layer,uvDepth.z));shadow+=uvw0.x*uvw1.y*texture2D(shadowSampler,vec4(base_uv.xy+vec2(u[0],v[1]),layer,uvDepth.z));shadow+=uvw1.x*uvw1.y*texture2D(shadowSampler,vec4(base_uv.xy+vec2(u[1],v[1]),layer,uvDepth.z));shadow+=uvw2.x*uvw1.y*texture2D(shadowSampler,vec4(base_uv.xy+vec2(u[2],v[1]),layer,uvDepth.z));shadow+=uvw0.x*uvw2.y*texture2D(shadowSampler,vec4(base_uv.xy+vec2(u[0],v[2]),layer,uvDepth.z));shadow+=uvw1.x*uvw2.y*texture2D(shadowSampler,vec4(base_uv.xy+vec2(u[1],v[2]),layer,uvDepth.z));shadow+=uvw2.x*uvw2.y*texture2D(shadowSampler,vec4(base_uv.xy+vec2(u[2],v[2]),layer,uvDepth.z));shadow=shadow/144.;shadow=mix(darkness,1.,shadow);return computeFallOff(shadow,clipSpace.xy,frustumEdgeFalloff);}
#define inline
float computeShadowWithPCF1(vec4 vPositionFromLight,float depthMetric,highp sampler2DShadow shadowSampler,float darkness,float frustumEdgeFalloff)
{if (depthMetric>1.0 || depthMetric<0.0) {return 1.0;}
else
{vec3 clipSpace=vPositionFromLight.xyz/vPositionFromLight.w;vec3 uvDepth=vec3(0.5*clipSpace.xyz+vec3(0.5));uvDepth.z=ZINCLIP;float shadow=TEXTUREFUNC(shadowSampler,uvDepth,0.);shadow=mix(darkness,1.,shadow);return computeFallOff(shadow,clipSpace.xy,frustumEdgeFalloff);}}
#define inline
float computeShadowWithPCF3(vec4 vPositionFromLight,float depthMetric,highp sampler2DShadow shadowSampler,vec2 shadowMapSizeAndInverse,float darkness,float frustumEdgeFalloff)
{if (depthMetric>1.0 || depthMetric<0.0) {return 1.0;}
else
{vec3 clipSpace=vPositionFromLight.xyz/vPositionFromLight.w;vec3 uvDepth=vec3(0.5*clipSpace.xyz+vec3(0.5));uvDepth.z=ZINCLIP;vec2 uv=uvDepth.xy*shadowMapSizeAndInverse.x; 
uv+=0.5; 
vec2 st=fract(uv); 
vec2 base_uv=floor(uv)-0.5; 
base_uv*=shadowMapSizeAndInverse.y; 
vec2 uvw0=3.-2.*st;vec2 uvw1=1.+2.*st;vec2 u=vec2((2.-st.x)/uvw0.x-1.,st.x/uvw1.x+1.)*shadowMapSizeAndInverse.y;vec2 v=vec2((2.-st.y)/uvw0.y-1.,st.y/uvw1.y+1.)*shadowMapSizeAndInverse.y;float shadow=0.;shadow+=uvw0.x*uvw0.y*TEXTUREFUNC(shadowSampler,vec3(base_uv.xy+vec2(u[0],v[0]),uvDepth.z),0.);shadow+=uvw1.x*uvw0.y*TEXTUREFUNC(shadowSampler,vec3(base_uv.xy+vec2(u[1],v[0]),uvDepth.z),0.);shadow+=uvw0.x*uvw1.y*TEXTUREFUNC(shadowSampler,vec3(base_uv.xy+vec2(u[0],v[1]),uvDepth.z),0.);shadow+=uvw1.x*uvw1.y*TEXTUREFUNC(shadowSampler,vec3(base_uv.xy+vec2(u[1],v[1]),uvDepth.z),0.);shadow=shadow/16.;shadow=mix(darkness,1.,shadow);return computeFallOff(shadow,clipSpace.xy,frustumEdgeFalloff);}}
#define inline
float computeShadowWithPCF5(vec4 vPositionFromLight,float depthMetric,highp sampler2DShadow shadowSampler,vec2 shadowMapSizeAndInverse,float darkness,float frustumEdgeFalloff)
{if (depthMetric>1.0 || depthMetric<0.0) {return 1.0;}
else
{vec3 clipSpace=vPositionFromLight.xyz/vPositionFromLight.w;vec3 uvDepth=vec3(0.5*clipSpace.xyz+vec3(0.5));uvDepth.z=ZINCLIP;vec2 uv=uvDepth.xy*shadowMapSizeAndInverse.x; 
uv+=0.5; 
vec2 st=fract(uv); 
vec2 base_uv=floor(uv)-0.5; 
base_uv*=shadowMapSizeAndInverse.y; 
vec2 uvw0=4.-3.*st;vec2 uvw1=vec2(7.);vec2 uvw2=1.+3.*st;vec3 u=vec3((3.-2.*st.x)/uvw0.x-2.,(3.+st.x)/uvw1.x,st.x/uvw2.x+2.)*shadowMapSizeAndInverse.y;vec3 v=vec3((3.-2.*st.y)/uvw0.y-2.,(3.+st.y)/uvw1.y,st.y/uvw2.y+2.)*shadowMapSizeAndInverse.y;float shadow=0.;shadow+=uvw0.x*uvw0.y*TEXTUREFUNC(shadowSampler,vec3(base_uv.xy+vec2(u[0],v[0]),uvDepth.z),0.);shadow+=uvw1.x*uvw0.y*TEXTUREFUNC(shadowSampler,vec3(base_uv.xy+vec2(u[1],v[0]),uvDepth.z),0.);shadow+=uvw2.x*uvw0.y*TEXTUREFUNC(shadowSampler,vec3(base_uv.xy+vec2(u[2],v[0]),uvDepth.z),0.);shadow+=uvw0.x*uvw1.y*TEXTUREFUNC(shadowSampler,vec3(base_uv.xy+vec2(u[0],v[1]),uvDepth.z),0.);shadow+=uvw1.x*uvw1.y*TEXTUREFUNC(shadowSampler,vec3(base_uv.xy+vec2(u[1],v[1]),uvDepth.z),0.);shadow+=uvw2.x*uvw1.y*TEXTUREFUNC(shadowSampler,vec3(base_uv.xy+vec2(u[2],v[1]),uvDepth.z),0.);shadow+=uvw0.x*uvw2.y*TEXTUREFUNC(shadowSampler,vec3(base_uv.xy+vec2(u[0],v[2]),uvDepth.z),0.);shadow+=uvw1.x*uvw2.y*TEXTUREFUNC(shadowSampler,vec3(base_uv.xy+vec2(u[1],v[2]),uvDepth.z),0.);shadow+=uvw2.x*uvw2.y*TEXTUREFUNC(shadowSampler,vec3(base_uv.xy+vec2(u[2],v[2]),uvDepth.z),0.);shadow=shadow/144.;shadow=mix(darkness,1.,shadow);return computeFallOff(shadow,clipSpace.xy,frustumEdgeFalloff);}}
const vec3 PoissonSamplers32[64]=vec3[64](
vec3(0.06407013,0.05409927,0.),
vec3(0.7366577,0.5789394,0.),
vec3(-0.6270542,-0.5320278,0.),
vec3(-0.4096107,0.8411095,0.),
vec3(0.6849564,-0.4990818,0.),
vec3(-0.874181,-0.04579735,0.),
vec3(0.9989998,0.0009880066,0.),
vec3(-0.004920578,-0.9151649,0.),
vec3(0.1805763,0.9747483,0.),
vec3(-0.2138451,0.2635818,0.),
vec3(0.109845,0.3884785,0.),
vec3(0.06876755,-0.3581074,0.),
vec3(0.374073,-0.7661266,0.),
vec3(0.3079132,-0.1216763,0.),
vec3(-0.3794335,-0.8271583,0.),
vec3(-0.203878,-0.07715034,0.),
vec3(0.5912697,0.1469799,0.),
vec3(-0.88069,0.3031784,0.),
vec3(0.5040108,0.8283722,0.),
vec3(-0.5844124,0.5494877,0.),
vec3(0.6017799,-0.1726654,0.),
vec3(-0.5554981,0.1559997,0.),
vec3(-0.3016369,-0.3900928,0.),
vec3(-0.5550632,-0.1723762,0.),
vec3(0.925029,0.2995041,0.),
vec3(-0.2473137,0.5538505,0.),
vec3(0.9183037,-0.2862392,0.),
vec3(0.2469421,0.6718712,0.),
vec3(0.3916397,-0.4328209,0.),
vec3(-0.03576927,-0.6220032,0.),
vec3(-0.04661255,0.7995201,0.),
vec3(0.4402924,0.3640312,0.),
vec3(0.),
vec3(0.),
vec3(0.),
vec3(0.),
vec3(0.),
vec3(0.),
vec3(0.),
vec3(0.),
vec3(0.),
vec3(0.),
vec3(0.),
vec3(0.),
vec3(0.),
vec3(0.),
vec3(0.),
vec3(0.),
vec3(0.),
vec3(0.),
vec3(0.),
vec3(0.),
vec3(0.),
vec3(0.),
vec3(0.),
vec3(0.),
vec3(0.),
vec3(0.),
vec3(0.),
vec3(0.),
vec3(0.),
vec3(0.),
vec3(0.),
vec3(0.)
);const vec3 PoissonSamplers64[64]=vec3[64](
vec3(-0.613392,0.617481,0.),
vec3(0.170019,-0.040254,0.),
vec3(-0.299417,0.791925,0.),
vec3(0.645680,0.493210,0.),
vec3(-0.651784,0.717887,0.),
vec3(0.421003,0.027070,0.),
vec3(-0.817194,-0.271096,0.),
vec3(-0.705374,-0.668203,0.),
vec3(0.977050,-0.108615,0.),
vec3(0.063326,0.142369,0.),
vec3(0.203528,0.214331,0.),
vec3(-0.667531,0.326090,0.),
vec3(-0.098422,-0.295755,0.),
vec3(-0.885922,0.215369,0.),
vec3(0.566637,0.605213,0.),
vec3(0.039766,-0.396100,0.),
vec3(0.751946,0.453352,0.),
vec3(0.078707,-0.715323,0.),
vec3(-0.075838,-0.529344,0.),
vec3(0.724479,-0.580798,0.),
vec3(0.222999,-0.215125,0.),
vec3(-0.467574,-0.405438,0.),
vec3(-0.248268,-0.814753,0.),
vec3(0.354411,-0.887570,0.),
vec3(0.175817,0.382366,0.),
vec3(0.487472,-0.063082,0.),
vec3(-0.084078,0.898312,0.),
vec3(0.488876,-0.783441,0.),
vec3(0.470016,0.217933,0.),
vec3(-0.696890,-0.549791,0.),
vec3(-0.149693,0.605762,0.),
vec3(0.034211,0.979980,0.),
vec3(0.503098,-0.308878,0.),
vec3(-0.016205,-0.872921,0.),
vec3(0.385784,-0.393902,0.),
vec3(-0.146886,-0.859249,0.),
vec3(0.643361,0.164098,0.),
vec3(0.634388,-0.049471,0.),
vec3(-0.688894,0.007843,0.),
vec3(0.464034,-0.188818,0.),
vec3(-0.440840,0.137486,0.),
vec3(0.364483,0.511704,0.),
vec3(0.034028,0.325968,0.),
vec3(0.099094,-0.308023,0.),
vec3(0.693960,-0.366253,0.),
vec3(0.678884,-0.204688,0.),
vec3(0.001801,0.780328,0.),
vec3(0.145177,-0.898984,0.),
vec3(0.062655,-0.611866,0.),
vec3(0.315226,-0.604297,0.),
vec3(-0.780145,0.486251,0.),
vec3(-0.371868,0.882138,0.),
vec3(0.200476,0.494430,0.),
vec3(-0.494552,-0.711051,0.),
vec3(0.612476,0.705252,0.),
vec3(-0.578845,-0.768792,0.),
vec3(-0.772454,-0.090976,0.),
vec3(0.504440,0.372295,0.),
vec3(0.155736,0.065157,0.),
vec3(0.391522,0.849605,0.),
vec3(-0.620106,-0.328104,0.),
vec3(0.789239,-0.419965,0.),
vec3(-0.545396,0.538133,0.),
vec3(-0.178564,-0.596057,0.)
);
#define inline
float computeShadowWithCSMPCSS(float layer,vec4 vPositionFromLight,float depthMetric,highp sampler2DArray depthSampler,highp sampler2DArrayShadow shadowSampler,float shadowMapSizeInverse,float lightSizeUV,float darkness,float frustumEdgeFalloff,int searchTapCount,int pcfTapCount,vec3[64] poissonSamplers,vec2 lightSizeUVCorrection,float depthCorrection,float penumbraDarkness)
{vec3 clipSpace=vPositionFromLight.xyz/vPositionFromLight.w;vec3 uvDepth=vec3(0.5*clipSpace.xyz+vec3(0.5));uvDepth.z=clamp(ZINCLIP,0.,GREATEST_LESS_THAN_ONE);vec4 uvDepthLayer=vec4(uvDepth.x,uvDepth.y,layer,uvDepth.z);float blockerDepth=0.0;float sumBlockerDepth=0.0;float numBlocker=0.0;for (int i=0; i<searchTapCount; i ++) {blockerDepth=texture2D(depthSampler,vec3(uvDepth.xy+(lightSizeUV*lightSizeUVCorrection*shadowMapSizeInverse*PoissonSamplers32[i].xy),layer)).r;if (blockerDepth<depthMetric) {sumBlockerDepth+=blockerDepth;numBlocker++;}}
float avgBlockerDepth=sumBlockerDepth/numBlocker;float AAOffset=shadowMapSizeInverse*10.;float penumbraRatio=((depthMetric-avgBlockerDepth)*depthCorrection+AAOffset);vec4 filterRadius=vec4(penumbraRatio*lightSizeUV*lightSizeUVCorrection*shadowMapSizeInverse,0.,0.);float random=getRand(vPositionFromLight.xy);float rotationAngle=random*3.1415926;vec2 rotationVector=vec2(cos(rotationAngle),sin(rotationAngle));float shadow=0.;for (int i=0; i<pcfTapCount; i++) {vec4 offset=vec4(poissonSamplers[i],0.);offset=vec4(offset.x*rotationVector.x-offset.y*rotationVector.y,offset.y*rotationVector.x+offset.x*rotationVector.y,0.,0.);shadow+=texture2D(shadowSampler,uvDepthLayer+offset*filterRadius);}
shadow/=float(pcfTapCount);shadow=mix(shadow,1.,min((depthMetric-avgBlockerDepth)*depthCorrection*penumbraDarkness,1.));shadow=mix(darkness,1.,shadow);if (numBlocker<1.0) {return 1.0;}
else
{return computeFallOff(shadow,clipSpace.xy,frustumEdgeFalloff);}}
#define inline
float computeShadowWithPCSS(vec4 vPositionFromLight,float depthMetric,sampler2D depthSampler,highp sampler2DShadow shadowSampler,float shadowMapSizeInverse,float lightSizeUV,float darkness,float frustumEdgeFalloff,int searchTapCount,int pcfTapCount,vec3[64] poissonSamplers)
{if (depthMetric>1.0 || depthMetric<0.0) {return 1.0;}
else
{vec3 clipSpace=vPositionFromLight.xyz/vPositionFromLight.w;vec3 uvDepth=vec3(0.5*clipSpace.xyz+vec3(0.5));uvDepth.z=ZINCLIP;float blockerDepth=0.0;float sumBlockerDepth=0.0;float numBlocker=0.0;for (int i=0; i<searchTapCount; i ++) {blockerDepth=TEXTUREFUNC(depthSampler,uvDepth.xy+(lightSizeUV*shadowMapSizeInverse*PoissonSamplers32[i].xy),0.).r;if (blockerDepth<depthMetric) {sumBlockerDepth+=blockerDepth;numBlocker++;}}
if (numBlocker<1.0) {return 1.0;}
else
{float avgBlockerDepth=sumBlockerDepth/numBlocker;float AAOffset=shadowMapSizeInverse*10.;float penumbraRatio=((depthMetric-avgBlockerDepth)+AAOffset);float filterRadius=penumbraRatio*lightSizeUV*shadowMapSizeInverse;float random=getRand(vPositionFromLight.xy);float rotationAngle=random*3.1415926;vec2 rotationVector=vec2(cos(rotationAngle),sin(rotationAngle));float shadow=0.;for (int i=0; i<pcfTapCount; i++) {vec3 offset=poissonSamplers[i];offset=vec3(offset.x*rotationVector.x-offset.y*rotationVector.y,offset.y*rotationVector.x+offset.x*rotationVector.y,0.);shadow+=TEXTUREFUNC(shadowSampler,uvDepth+offset*filterRadius,0.);}
shadow/=float(pcfTapCount);shadow=mix(shadow,1.,depthMetric-avgBlockerDepth);shadow=mix(darkness,1.,shadow);return computeFallOff(shadow,clipSpace.xy,frustumEdgeFalloff);}}}
#define inline
float computeShadowWithPCSS16(vec4 vPositionFromLight,float depthMetric,sampler2D depthSampler,highp sampler2DShadow shadowSampler,float shadowMapSizeInverse,float lightSizeUV,float darkness,float frustumEdgeFalloff)
{return computeShadowWithPCSS(vPositionFromLight,depthMetric,depthSampler,shadowSampler,shadowMapSizeInverse,lightSizeUV,darkness,frustumEdgeFalloff,16,16,PoissonSamplers32);}
#define inline
float computeShadowWithPCSS32(vec4 vPositionFromLight,float depthMetric,sampler2D depthSampler,highp sampler2DShadow shadowSampler,float shadowMapSizeInverse,float lightSizeUV,float darkness,float frustumEdgeFalloff)
{return computeShadowWithPCSS(vPositionFromLight,depthMetric,depthSampler,shadowSampler,shadowMapSizeInverse,lightSizeUV,darkness,frustumEdgeFalloff,16,32,PoissonSamplers32);}
#define inline
float computeShadowWithPCSS64(vec4 vPositionFromLight,float depthMetric,sampler2D depthSampler,highp sampler2DShadow shadowSampler,float shadowMapSizeInverse,float lightSizeUV,float darkness,float frustumEdgeFalloff)
{return computeShadowWithPCSS(vPositionFromLight,depthMetric,depthSampler,shadowSampler,shadowMapSizeInverse,lightSizeUV,darkness,frustumEdgeFalloff,32,64,PoissonSamplers64);}
#define inline
float computeShadowWithCSMPCSS16(float layer,vec4 vPositionFromLight,float depthMetric,highp sampler2DArray depthSampler,highp sampler2DArrayShadow shadowSampler,float shadowMapSizeInverse,float lightSizeUV,float darkness,float frustumEdgeFalloff,vec2 lightSizeUVCorrection,float depthCorrection,float penumbraDarkness)
{return computeShadowWithCSMPCSS(layer,vPositionFromLight,depthMetric,depthSampler,shadowSampler,shadowMapSizeInverse,lightSizeUV,darkness,frustumEdgeFalloff,16,16,PoissonSamplers32,lightSizeUVCorrection,depthCorrection,penumbraDarkness);}
#define inline
float computeShadowWithCSMPCSS32(float layer,vec4 vPositionFromLight,float depthMetric,highp sampler2DArray depthSampler,highp sampler2DArrayShadow shadowSampler,float shadowMapSizeInverse,float lightSizeUV,float darkness,float frustumEdgeFalloff,vec2 lightSizeUVCorrection,float depthCorrection,float penumbraDarkness)
{return computeShadowWithCSMPCSS(layer,vPositionFromLight,depthMetric,depthSampler,shadowSampler,shadowMapSizeInverse,lightSizeUV,darkness,frustumEdgeFalloff,16,32,PoissonSamplers32,lightSizeUVCorrection,depthCorrection,penumbraDarkness);}
#define inline
float computeShadowWithCSMPCSS64(float layer,vec4 vPositionFromLight,float depthMetric,highp sampler2DArray depthSampler,highp sampler2DArrayShadow shadowSampler,float shadowMapSizeInverse,float lightSizeUV,float darkness,float frustumEdgeFalloff,vec2 lightSizeUVCorrection,float depthCorrection,float penumbraDarkness)
{return computeShadowWithCSMPCSS(layer,vPositionFromLight,depthMetric,depthSampler,shadowSampler,shadowMapSizeInverse,lightSizeUV,darkness,frustumEdgeFalloff,32,64,PoissonSamplers64,lightSizeUVCorrection,depthCorrection,penumbraDarkness);}
#endif
#endif
`;
// Sideeffect
if (!ShaderStore.IncludesShadersStore[name]) {
    ShaderStore.IncludesShadersStore[name] = shader;
}
/** @internal */
export const shadowsFragmentFunctions = { name, shader };
//# sourceMappingURL=shadowsFragmentFunctions.js.map