@babylonjs/viewer/dist/chunks/background.fragment-DvSpdH59.esm.min.js

The Babylon Viewer aims to simplify a specific but common Babylon.js use case: loading, viewing, and interacting with a 3D model.

import{S as e}from"./index-Bw2N6w1y.esm.min.js";import"./backgroundUboDeclaration-hY2GeKak.esm.min.js";import"./helperFunctions-BD2JDv1s.esm.min.js";import"./lightFragment-CqsdLCU9.esm.min.js";import"./lightsFragmentFunctions-CNRYZxsf.esm.min.js";import"./logDepthDeclaration-gvQQD7z7.esm.min.js";import"./clipPlaneFragment-Bcs0Djfm.esm.min.js";import"./fogFragment-Jrm4is7s.esm.min.js";import"./sceneUboDeclaration-Bfi1TSBE.esm.min.js";const n="intersectionFunctions";e.IncludesShadersStoreWGSL[n]||(e.IncludesShadersStoreWGSL[n]="fn diskIntersectWithBackFaceCulling(ro: vec3f,rd: vec3f,c: vec3f,r: f32)->f32 {var d: f32=rd.y;if(d>0.0) { return 1e6; }\nvar o: vec3f=ro-c;var t: f32=-o.y/d;var q: vec3f=o+rd*t;return select(1e6,t,(dot(q,q)<r*r));}\nfn sphereIntersect(ro: vec3f,rd: vec3f,ce: vec3f,ra: f32)->vec2f {var oc: vec3f=ro-ce;var b: f32=dot(oc,rd);var c: f32=dot(oc,oc)-ra*ra;var h: f32=b*b-c;if(h<0.0) { return vec2f(-1.,-1.); }\nh=sqrt(h);return vec2f(-b+h,-b-h);}\nfn sphereIntersectFromOrigin(ro: vec3f,rd: vec3f,ra: f32)->vec2f {var b: f32=dot(ro,rd);var c: f32=dot(ro,ro)-ra*ra;var h: f32=b*b-c;if(h<0.0) { return vec2f(-1.,-1.); }\nh=sqrt(h);return vec2f(-b+h,-b-h);}");const r="backgroundPixelShader",o="#include<backgroundUboDeclaration>\n#include<helperFunctions>\nvarying vPositionW: vec3f;\n#ifdef MAINUV1\nvarying vMainUV1: vec2f;\n#endif \n#ifdef MAINUV2 \nvarying vMainUV2: vec2f; \n#endif \n#ifdef NORMAL\nvarying vNormalW: vec3f;\n#endif\n#ifdef DIFFUSE\n#if DIFFUSEDIRECTUV==1\n#define vDiffuseUV vMainUV1\n#elif DIFFUSEDIRECTUV==2\n#define vDiffuseUV vMainUV2\n#else\nvarying vDiffuseUV: vec2f;\n#endif\nvar diffuseSamplerSampler: sampler;var diffuseSampler: texture_2d<f32>;\n#endif\n#ifdef REFLECTION\n#ifdef REFLECTIONMAP_3D\nvar reflectionSamplerSampler: sampler;var reflectionSampler: texture_cube<f32>;\n#ifdef TEXTURELODSUPPORT\n#else\nvar reflectionLowSamplerSampler: sampler;var reflectionLowSampler: texture_cube<f32>;var reflectionHighSamplerSampler: sampler;var reflectionHighSampler: texture_cube<f32>;\n#endif\n#else\nvar reflectionSamplerSampler: sampler;var reflectionSampler: texture_2d<f32>;\n#ifdef TEXTURELODSUPPORT\n#else\nvar reflectionLowSamplerSampler: sampler;var reflectionLowSampler: texture_2d<f32>;var reflectionHighSamplerSampler: sampler;var reflectionHighSampler: texture_2d<f32>;\n#endif\n#endif\n#ifdef REFLECTIONMAP_SKYBOX\nvarying vPositionUVW: vec3f;\n#else\n#if defined(REFLECTIONMAP_EQUIRECTANGULAR_FIXED) || defined(REFLECTIONMAP_MIRROREDEQUIRECTANGULAR_FIXED)\nvarying vDirectionW: vec3f;\n#endif\n#endif\n#include<reflectionFunction>\n#endif\n#ifndef FROMLINEARSPACE\n#define FROMLINEARSPACE;\n#endif\n#ifndef SHADOWONLY\n#define SHADOWONLY;\n#endif\n#include<imageProcessingDeclaration>\n#include<lightUboDeclaration>[0..maxSimultaneousLights]\n#include<lightsFragmentFunctions>\n#include<shadowsFragmentFunctions>\n#include<imageProcessingFunctions>\n#include<logDepthDeclaration>\n#include<clipPlaneFragmentDeclaration>\n#include<fogFragmentDeclaration>\n#ifdef REFLECTIONFRESNEL\n#define FRESNEL_MAXIMUM_ON_ROUGH 0.25\nfn fresnelSchlickEnvironmentGGX(VdotN: f32,reflectance0: vec3f,reflectance90: vec3f,smoothness: f32)->vec3f\n{var weight: f32=mix(FRESNEL_MAXIMUM_ON_ROUGH,1.0,smoothness);return reflectance0+weight*(reflectance90-reflectance0)*pow5(saturate(1.0-VdotN));}\n#endif\n#ifdef PROJECTED_GROUND\n#include<intersectionFunctions>\nfn project(viewDirectionW: vec3f,eyePosition: vec3f)->vec3f {var radius: f32=uniforms.projectedGroundInfos.x;var height: f32=uniforms.projectedGroundInfos.y;var camDir: vec3f=-viewDirectionW;var skySphereDistance: f32=sphereIntersectFromOrigin(eyePosition,camDir,radius).x;var skySpherePositionW: vec3f=eyePosition+camDir*skySphereDistance;var p: vec3f=normalize(skySpherePositionW);var upEyePosition=vec3f(eyePosition.x,eyePosition.y-height,eyePosition.z);var sIntersection: f32=sphereIntersectFromOrigin(upEyePosition,p,radius).x;var h: vec3f= vec3f(0.0,-height,0.0);var dIntersection: f32=diskIntersectWithBackFaceCulling(upEyePosition,p,h,radius);p=(upEyePosition+min(sIntersection,dIntersection)*p);return p;}\n#endif\n#define CUSTOM_FRAGMENT_DEFINITIONS\n@fragment\nfn main(input: FragmentInputs)->FragmentOutputs {\n#define CUSTOM_FRAGMENT_MAIN_BEGIN\n#include<clipPlaneFragment>\nvar viewDirectionW: vec3f=normalize(scene.vEyePosition.xyz-input.vPositionW);\n#ifdef NORMAL\nvar normalW: vec3f=normalize(fragmentInputs.vNormalW);\n#else\nvar normalW: vec3f= vec3f(0.0,1.0,0.0);\n#endif\nvar shadow: f32=1.;var globalShadow: f32=0.;var shadowLightCount: f32=0.;var aggShadow: f32=0.;var numLights: f32=0.;\n#include<lightFragment>[0..maxSimultaneousLights]\n#ifdef SHADOWINUSE\nglobalShadow/=shadowLightCount;\n#else\nglobalShadow=1.0;\n#endif\n#ifndef BACKMAT_SHADOWONLY\nvar reflectionColor: vec4f= vec4f(1.,1.,1.,1.);\n#ifdef REFLECTION\n#ifdef PROJECTED_GROUND\nvar reflectionVector: vec3f=project(viewDirectionW,scene.vEyePosition.xyz);reflectionVector= (uniforms.reflectionMatrix*vec4f(reflectionVector,1.)).xyz;\n#else\nvar reflectionVector: vec3f=computeReflectionCoords( vec4f(fragmentInputs.vPositionW,1.0),normalW);\n#endif\n#ifdef REFLECTIONMAP_OPPOSITEZ\nreflectionVector.z*=-1.0;\n#endif\n#ifdef REFLECTIONMAP_3D\nvar reflectionCoords: vec3f=reflectionVector;\n#else\nvar reflectionCoords: vec2f=reflectionVector.xy;\n#ifdef REFLECTIONMAP_PROJECTION\nreflectionCoords/=reflectionVector.z;\n#endif\nreflectionCoords.y=1.0-reflectionCoords.y;\n#endif\n#ifdef REFLECTIONBLUR\nvar reflectionLOD: f32=uniforms.vReflectionInfos.y;\n#ifdef TEXTURELODSUPPORT\nreflectionLOD=reflectionLOD*log2(uniforms.vReflectionMicrosurfaceInfos.x)*uniforms.vReflectionMicrosurfaceInfos.y+uniforms.vReflectionMicrosurfaceInfos.z;reflectionColor=textureSampleLevel(reflectionSampler,reflectionSamplerSampler,reflectionCoords,reflectionLOD);\n#else\nvar lodReflectionNormalized: f32=saturate(reflectionLOD);var lodReflectionNormalizedDoubled: f32=lodReflectionNormalized*2.0;var reflectionSpecularMid: vec4f=textureSample(reflectionSampler,reflectionSamplerSampler,reflectionCoords);if(lodReflectionNormalizedDoubled<1.0){reflectionColor=mix(\ntextureSample(reflectionrHighSampler,reflectionrHighSamplerSampler,reflectionCoords),\nreflectionSpecularMid,\nlodReflectionNormalizedDoubled\n);} else {reflectionColor=mix(\nreflectionSpecularMid,\ntextureSample(reflectionLowSampler,reflectionLowSamplerSampler,reflectionCoords),\nlodReflectionNormalizedDoubled-1.0\n);}\n#endif\n#else\nvar reflectionSample: vec4f=textureSample(reflectionSampler,reflectionSamplerSampler,reflectionCoords);reflectionColor=reflectionSample;\n#endif\n#ifdef RGBDREFLECTION\nreflectionColor=vec4f(fromRGBD(reflectionColor).rgb,reflectionColor.a);\n#endif\n#ifdef GAMMAREFLECTION\nreflectionColor=vec4f(toLinearSpaceVec3(reflectionColor.rgb),reflectionColor.a);\n#endif\n#ifdef REFLECTIONBGR\nreflectionColor=vec4f(reflectionColor.bgr,reflectionColor.a);\n#endif\nreflectionColor=vec4f(reflectionColor.rgb*uniforms.vReflectionInfos.x,reflectionColor.a);\n#endif\nvar diffuseColor: vec3f= vec3f(1.,1.,1.);var finalAlpha: f32=uniforms.alpha;\n#ifdef DIFFUSE\nvar diffuseMap: vec4f=textureSample(diffuseSampler,diffuseSamplerSampler,input.vDiffuseUV);\n#ifdef GAMMADIFFUSE\ndiffuseMap=vec4f(toLinearSpaceVec3(diffuseMap.rgb),diffuseMap.a);\n#endif\ndiffuseMap=vec4f(diffuseMap.rgb *uniforms.vDiffuseInfos.y,diffuseMap.a);\n#ifdef DIFFUSEHASALPHA\nfinalAlpha*=diffuseMap.a;\n#endif\ndiffuseColor=diffuseMap.rgb;\n#endif\n#ifdef REFLECTIONFRESNEL\nvar colorBase: vec3f=diffuseColor;\n#else\nvar colorBase: vec3f=reflectionColor.rgb*diffuseColor;\n#endif\ncolorBase=max(colorBase,vec3f(0.0));\n#ifdef USERGBCOLOR\nvar finalColor: vec3f=colorBase;\n#else\n#ifdef USEHIGHLIGHTANDSHADOWCOLORS\nvar mainColor: vec3f=mix(uniforms.vPrimaryColorShadow.rgb,uniforms.vPrimaryColor.rgb,colorBase);\n#else\nvar mainColor: vec3f=uniforms.vPrimaryColor.rgb;\n#endif\nvar finalColor: vec3f=colorBase*mainColor;\n#endif\n#ifdef REFLECTIONFRESNEL\nvar reflectionAmount: vec3f=uniforms.vReflectionControl.xxx;var reflectionReflectance0: vec3f=uniforms.vReflectionControl.yyy;var reflectionReflectance90: vec3f=uniforms.vReflectionControl.zzz;var VdotN: f32=dot(normalize(scene.vEyePosition.xyz),normalW);var planarReflectionFresnel: vec3f=fresnelSchlickEnvironmentGGX(saturate(VdotN),reflectionReflectance0,reflectionReflectance90,1.0);reflectionAmount*=planarReflectionFresnel;\n#ifdef REFLECTIONFALLOFF\nvar reflectionDistanceFalloff: f32=1.0-saturate(length(vPositionW.xyz-uniforms.vBackgroundCenter)*uniforms.vReflectionControl.w);reflectionDistanceFalloff*=reflectionDistanceFalloff;reflectionAmount*=reflectionDistanceFalloff;\n#endif\nfinalColor=mix(finalColor,reflectionColor.rgb,saturateVec3(reflectionAmount));\n#endif\n#ifdef OPACITYFRESNEL\nvar viewAngleToFloor: f32=dot(normalW,normalize(scene.vEyePosition.xyz-uniforms.vBackgroundCenter));const startAngle: f32=0.1;var fadeFactor: f32=saturate(viewAngleToFloor/startAngle);finalAlpha*=fadeFactor*fadeFactor;\n#endif\n#ifdef SHADOWINUSE\nfinalColor=mix(finalColor*uniforms.shadowLevel,finalColor,globalShadow);\n#endif\nvar color: vec4f= vec4f(finalColor,finalAlpha);\n#else\nvar color: vec4f= vec4f(uniforms.vPrimaryColor.rgb,(1.0-clamp(globalShadow,0.,1.))*uniforms.alpha);\n#endif\n#include<logDepthFragment>\n#include<fogFragment>\n#ifdef IMAGEPROCESSINGPOSTPROCESS\n#if !defined(SKIPFINALCOLORCLAMP)\ncolor=vec4f(clamp(color.rgb,vec3f(0.),vec3f(30.0)),color.a);\n#endif\n#else\ncolor=applyImageProcessing(color);\n#endif\n#ifdef PREMULTIPLYALPHA\ncolor=vec4f(color.rgb *color.a,color.a);\n#endif\n#ifdef NOISE\ncolor=vec4f(color.rgb+dither(fragmentInputs.vPositionW.xy,0.5),color.a);color=max(color,vec4f(0.0));\n#endif\nfragmentOutputs.color=color;\n#define CUSTOM_FRAGMENT_MAIN_END\n}\n";e.ShadersStoreWGSL[r]||(e.ShadersStoreWGSL[r]=o);const i={name:r,shader:o};export{i as backgroundPixelShaderWGSL};
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