@babylonjs/viewer/dist/chunks/iblShadowAccumulation.fragment-BgXn9wvZ.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";const r="iblShadowAccumulationPixelShader",o="#ifdef GL_ES\nprecision mediump float;\n#endif\nvarying vec2 vUV;uniform vec4 accumulationParameters;\n#define remanence accumulationParameters.x\n#define resetb accumulationParameters.y\n#define sceneSize accumulationParameters.z\nuniform sampler2D motionSampler;uniform sampler2D positionSampler;uniform sampler2D spatialBlurSampler;uniform sampler2D oldAccumulationSampler;uniform sampler2D prevPositionSampler;vec2 max2(vec2 v,vec2 w) { return vec2(max(v.x,w.x),max(v.y,w.y)); }\nvoid main(void) {bool reset=bool(resetb);vec2 gbufferRes=vec2(textureSize(motionSampler,0));ivec2 gbufferPixelCoord=ivec2(vUV*gbufferRes);vec2 shadowRes=vec2(textureSize(spatialBlurSampler,0));ivec2 shadowPixelCoord=ivec2(vUV*shadowRes);vec4 LP=texelFetch(positionSampler,gbufferPixelCoord,0);if (0.0==LP.w) {gl_FragColor=vec4(1.0,0.0,0.0,1.0);return;}\nvec2 velocityColor=texelFetch(motionSampler,gbufferPixelCoord,0).xy;vec2 prevCoord=vUV+velocityColor;vec3 PrevLP=texture(prevPositionSampler,prevCoord).xyz;vec4 PrevShadows=texture(oldAccumulationSampler,prevCoord);vec3 newShadows=texelFetch(spatialBlurSampler,shadowPixelCoord,0).xyz;PrevShadows.a =\n!reset && all(lessThan(abs(prevCoord-vec2(0.5)),vec2(0.5))) &&\ndistance(LP.xyz,PrevLP)<5e-2*sceneSize\n? max(PrevShadows.a/(1.0+PrevShadows.a),1.0-remanence)\n: 1.0;PrevShadows=max(vec4(0.0),PrevShadows);gl_FragColor =\nvec4(mix(PrevShadows.x,newShadows.x,PrevShadows.a),\nmix(PrevShadows.y,newShadows.y,PrevShadows.a),\nmix(PrevShadows.z,newShadows.z,PrevShadows.a),PrevShadows.a);}";e.ShadersStore[r]||(e.ShadersStore[r]=o);const a={name:r,shader:o};export{a as iblShadowAccumulationPixelShader};
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