| 1 |
- {"ast":null,"code":"// Do not edit.\nimport { ShaderStore } from \"../Engines/shaderStore.js\";\nconst name = \"rsmGlobalIlluminationPixelShader\";\nconst shader = `/**\n* The implementation is an application of the formula found in http:\n* For better results,it also adds a random (noise) rotation to the RSM samples (the noise artifacts are easier to remove than the banding artifacts).\n*/\nvarying vUV: vec2f;uniform rsmLightMatrix: mat4x4f;uniform rsmInfo: vec4f;uniform rsmInfo2: vec4f;var textureSamplerSampler: sampler;var textureSampler: texture_2d<f32>;var normalSamplerSampler: sampler;var normalSampler: texture_2d<f32>;var rsmPositionWSampler: sampler;var rsmPositionW: texture_2d<f32>;var rsmNormalWSampler: sampler;var rsmNormalW: texture_2d<f32>;var rsmFluxSampler: sampler;var rsmFlux: texture_2d<f32>;var rsmSamples: texture_2d<f32>;\n#ifdef TRANSFORM_NORMAL\nuniform invView: mat4x4f;\n#endif\nfn mod289(x: f32)->f32{return x-floor(x*(1.0/289.0))*289.0;}\nfn mod289Vec4(x: vec4f)->vec4f {return x-floor(x*(1.0/289.0))* 289.0;}\nfn perm(x: vec4f)->vec4f {return mod289Vec4(((x*34.0)+1.0)*x) ;}\nfn noise(p: vec3f)->f32{var a: vec3f=floor(p);var d: vec3f=p-a;d=d*d*(3.0-2.0*d);var b: vec4f=a.xxyy+ vec4f(0.0,1.0,0.0,1.0);var k1: vec4f=perm(b.xyxy);var k2: vec4f=perm(k1.xyxy+b.zzww);var c: vec4f=k2+a.zzzz;var k3: vec4f=perm(c);var k4: vec4f=perm(c+1.0);var o1: vec4f=fract(k3*(1.0/41.0));var o2: vec4f=fract(k4*(1.0/41.0));var o3: vec4f=o2*d.z+o1*(1.0-d.z);var o4: vec2f=o3.yw*d.x+o3.xz*(1.0-d.x);return o4.y*d.y+o4.x*(1.0-d.y);}\nfn computeIndirect(p: vec3f,n: vec3f)->vec3f {var indirectDiffuse: vec3f= vec3f(0.);var numSamples: i32= i32(uniforms.rsmInfo.x);var radius: f32=uniforms.rsmInfo.y;var intensity: f32=uniforms.rsmInfo.z;var edgeArtifactCorrection: f32=uniforms.rsmInfo.w;var texRSM: vec4f=uniforms.rsmLightMatrix* vec4f(p,1.);texRSM=vec4f(texRSM.xy/texRSM.w,texRSM.z,texRSM.w);texRSM=vec4f(texRSM.xy*0.5+0.5,texRSM.z,texRSM.w);var angle: f32=noise(p*uniforms.rsmInfo2.x);var c: f32=cos(angle);var s: f32=sin(angle);for (var i: i32=0; i<numSamples; i++) {var rsmSample: vec3f=textureLoad(rsmSamples,vec2<i32>(i,0),0).xyz;var weightSquare: f32=rsmSample.z;if (uniforms.rsmInfo2.y==1.0){rsmSample=vec3f(rsmSample.x*c+rsmSample.y*s,-rsmSample.x*s+rsmSample.y*c,rsmSample.z);}\nvar uv: vec2f=texRSM.xy+rsmSample.xy*radius;if (uv.x<0. || uv.x>1. || uv.y<0. || uv.y>1.) {continue;}\nvar vplPositionW: vec3f=textureSampleLevel(rsmPositionW,rsmPositionWSampler,uv,0.).xyz;var vplNormalW: vec3f=textureSampleLevel(rsmNormalW,rsmNormalWSampler,uv,0.).xyz*2.0-1.0;var vplFlux: vec3f=textureSampleLevel(rsmFlux,rsmFluxSampler,uv,0.).rgb;vplPositionW-=vplNormalW*edgeArtifactCorrection; \nvar dist2: f32=dot(vplPositionW-p,vplPositionW-p);indirectDiffuse+=vplFlux*weightSquare*max(0.,dot(n,vplPositionW-p))*max(0.,dot(vplNormalW,p-vplPositionW))/(dist2*dist2);}\nreturn clamp(indirectDiffuse*intensity,vec3f(0.0),vec3f(1.0));}\n@fragment\nfn main(input: FragmentInputs)->FragmentOutputs {var positionW: vec3f=textureSample(textureSampler,textureSamplerSampler,input.vUV).xyz;var normalW: vec3f=textureSample(normalSampler,normalSamplerSampler,input.vUV).xyz;\n#ifdef DECODE_NORMAL\nnormalW=normalW*2.0-1.0;\n#endif\n#ifdef TRANSFORM_NORMAL\nnormalW=(uniforms.invView* vec4f(normalW,0.)).xyz;\n#endif\nfragmentOutputs.color=vec4f(computeIndirect(positionW,normalW),1.0);}\n`;\n// Sideeffect\nShaderStore.ShadersStoreWGSL[name] = shader;\n/** @internal */\nexport const rsmGlobalIlluminationPixelShaderWGSL = {\n name,\n shader\n};","map":{"version":3,"names":["ShaderStore","name","shader","ShadersStoreWGSL","rsmGlobalIlluminationPixelShaderWGSL"],"sources":["F:/workspace/202226701027/huinongbao-app/node_modules/@babylonjs/core/ShadersWGSL/rsmGlobalIllumination.fragment.js"],"sourcesContent":["// Do not edit.\nimport { ShaderStore } from \"../Engines/shaderStore.js\";\nconst name = \"rsmGlobalIlluminationPixelShader\";\nconst shader = `/**\n* The implementation is an application of the formula found in http:\n* For better results,it also adds a random (noise) rotation to the RSM samples (the noise artifacts are easier to remove than the banding artifacts).\n*/\nvarying vUV: vec2f;uniform rsmLightMatrix: mat4x4f;uniform rsmInfo: vec4f;uniform rsmInfo2: vec4f;var textureSamplerSampler: sampler;var textureSampler: texture_2d<f32>;var normalSamplerSampler: sampler;var normalSampler: texture_2d<f32>;var rsmPositionWSampler: sampler;var rsmPositionW: texture_2d<f32>;var rsmNormalWSampler: sampler;var rsmNormalW: texture_2d<f32>;var rsmFluxSampler: sampler;var rsmFlux: texture_2d<f32>;var rsmSamples: texture_2d<f32>;\n#ifdef TRANSFORM_NORMAL\nuniform invView: mat4x4f;\n#endif\nfn mod289(x: f32)->f32{return x-floor(x*(1.0/289.0))*289.0;}\nfn mod289Vec4(x: vec4f)->vec4f {return x-floor(x*(1.0/289.0))* 289.0;}\nfn perm(x: vec4f)->vec4f {return mod289Vec4(((x*34.0)+1.0)*x) ;}\nfn noise(p: vec3f)->f32{var a: vec3f=floor(p);var d: vec3f=p-a;d=d*d*(3.0-2.0*d);var b: vec4f=a.xxyy+ vec4f(0.0,1.0,0.0,1.0);var k1: vec4f=perm(b.xyxy);var k2: vec4f=perm(k1.xyxy+b.zzww);var c: vec4f=k2+a.zzzz;var k3: vec4f=perm(c);var k4: vec4f=perm(c+1.0);var o1: vec4f=fract(k3*(1.0/41.0));var o2: vec4f=fract(k4*(1.0/41.0));var o3: vec4f=o2*d.z+o1*(1.0-d.z);var o4: vec2f=o3.yw*d.x+o3.xz*(1.0-d.x);return o4.y*d.y+o4.x*(1.0-d.y);}\nfn computeIndirect(p: vec3f,n: vec3f)->vec3f {var indirectDiffuse: vec3f= vec3f(0.);var numSamples: i32= i32(uniforms.rsmInfo.x);var radius: f32=uniforms.rsmInfo.y;var intensity: f32=uniforms.rsmInfo.z;var edgeArtifactCorrection: f32=uniforms.rsmInfo.w;var texRSM: vec4f=uniforms.rsmLightMatrix* vec4f(p,1.);texRSM=vec4f(texRSM.xy/texRSM.w,texRSM.z,texRSM.w);texRSM=vec4f(texRSM.xy*0.5+0.5,texRSM.z,texRSM.w);var angle: f32=noise(p*uniforms.rsmInfo2.x);var c: f32=cos(angle);var s: f32=sin(angle);for (var i: i32=0; i<numSamples; i++) {var rsmSample: vec3f=textureLoad(rsmSamples,vec2<i32>(i,0),0).xyz;var weightSquare: f32=rsmSample.z;if (uniforms.rsmInfo2.y==1.0){rsmSample=vec3f(rsmSample.x*c+rsmSample.y*s,-rsmSample.x*s+rsmSample.y*c,rsmSample.z);}\nvar uv: vec2f=texRSM.xy+rsmSample.xy*radius;if (uv.x<0. || uv.x>1. || uv.y<0. || uv.y>1.) {continue;}\nvar vplPositionW: vec3f=textureSampleLevel(rsmPositionW,rsmPositionWSampler,uv,0.).xyz;var vplNormalW: vec3f=textureSampleLevel(rsmNormalW,rsmNormalWSampler,uv,0.).xyz*2.0-1.0;var vplFlux: vec3f=textureSampleLevel(rsmFlux,rsmFluxSampler,uv,0.).rgb;vplPositionW-=vplNormalW*edgeArtifactCorrection; \nvar dist2: f32=dot(vplPositionW-p,vplPositionW-p);indirectDiffuse+=vplFlux*weightSquare*max(0.,dot(n,vplPositionW-p))*max(0.,dot(vplNormalW,p-vplPositionW))/(dist2*dist2);}\nreturn clamp(indirectDiffuse*intensity,vec3f(0.0),vec3f(1.0));}\n@fragment\nfn main(input: FragmentInputs)->FragmentOutputs {var positionW: vec3f=textureSample(textureSampler,textureSamplerSampler,input.vUV).xyz;var normalW: vec3f=textureSample(normalSampler,normalSamplerSampler,input.vUV).xyz;\n#ifdef DECODE_NORMAL\nnormalW=normalW*2.0-1.0;\n#endif\n#ifdef TRANSFORM_NORMAL\nnormalW=(uniforms.invView* vec4f(normalW,0.)).xyz;\n#endif\nfragmentOutputs.color=vec4f(computeIndirect(positionW,normalW),1.0);}\n`;\n// Sideeffect\nShaderStore.ShadersStoreWGSL[name] = shader;\n/** @internal */\nexport const rsmGlobalIlluminationPixelShaderWGSL = { name, shader };\n"],"mappings":"AAAA;AACA,SAASA,WAAW,QAAQ,2BAA2B;AACvD,MAAMC,IAAI,GAAG,kCAAkC;AAC/C,MAAMC,MAAM,GAAG;AACf;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA,CAAC;AACD;AACAF,WAAW,CAACG,gBAAgB,CAACF,IAAI,CAAC,GAAGC,MAAM;AAC3C;AACA,OAAO,MAAME,oCAAoC,GAAG;EAAEH,IAAI;EAAEC;AAAO,CAAC","ignoreList":[]},"metadata":{},"sourceType":"module","externalDependencies":[]}
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