{"ast":null,"code":"// Do not edit.\nimport { ShaderStore } from \"../Engines/shaderStore.js\";\nconst name = \"ssaoPixelShader\";\nconst shader = `uniform sampler2D textureSampler;varying vec2 vUV;\n#ifdef SSAO\nuniform sampler2D randomSampler;uniform float randTextureTiles;uniform float samplesFactor;uniform vec3 sampleSphere[SAMPLES];uniform float totalStrength;uniform float radius;uniform float area;uniform float fallOff;uniform float base;vec3 normalFromDepth(float depth,vec2 coords)\n{vec2 offset1=vec2(0.0,radius);vec2 offset2=vec2(radius,0.0);float depth1=texture2D(textureSampler,coords+offset1).r;float depth2=texture2D(textureSampler,coords+offset2).r;vec3 p1=vec3(offset1,depth1-depth);vec3 p2=vec3(offset2,depth2-depth);vec3 normal=cross(p1,p2);normal.z=-normal.z;return normalize(normal);}\nvoid main()\n{vec3 random=normalize(texture2D(randomSampler,vUV*randTextureTiles).rgb);float depth=texture2D(textureSampler,vUV).r;vec3 position=vec3(vUV,depth);vec3 normal=normalFromDepth(depth,vUV);float radiusDepth=radius/depth;float occlusion=0.0;vec3 ray;vec3 hemiRay;float occlusionDepth;float difference;for (int i=0; i<SAMPLES; i++)\n{ray=radiusDepth*reflect(sampleSphere[i],random);hemiRay=position+sign(dot(ray,normal))*ray;occlusionDepth=texture2D(textureSampler,clamp(hemiRay.xy,vec2(0.001,0.001),vec2(0.999,0.999))).r;difference=depth-occlusionDepth;occlusion+=step(fallOff,difference)*(1.0-smoothstep(fallOff,area,difference));}\nfloat ao=1.0-totalStrength*occlusion*samplesFactor;float result=clamp(ao+base,0.0,1.0);gl_FragColor.r=result;gl_FragColor.g=result;gl_FragColor.b=result;gl_FragColor.a=1.0;}\n#endif\n`;\n// Sideeffect\nShaderStore.ShadersStore[name] = shader;\n/** @internal */\nexport const ssaoPixelShader = {\n  name,\n  shader\n};","map":{"version":3,"names":["ShaderStore","name","shader","ShadersStore","ssaoPixelShader"],"sources":["F:/workspace/202226701027/huinongbao-app/node_modules/@babylonjs/core/Shaders/ssao.fragment.js"],"sourcesContent":["// Do not edit.\nimport { ShaderStore } from \"../Engines/shaderStore.js\";\nconst name = \"ssaoPixelShader\";\nconst shader = `uniform sampler2D textureSampler;varying vec2 vUV;\n#ifdef SSAO\nuniform sampler2D randomSampler;uniform float randTextureTiles;uniform float samplesFactor;uniform vec3 sampleSphere[SAMPLES];uniform float totalStrength;uniform float radius;uniform float area;uniform float fallOff;uniform float base;vec3 normalFromDepth(float depth,vec2 coords)\n{vec2 offset1=vec2(0.0,radius);vec2 offset2=vec2(radius,0.0);float depth1=texture2D(textureSampler,coords+offset1).r;float depth2=texture2D(textureSampler,coords+offset2).r;vec3 p1=vec3(offset1,depth1-depth);vec3 p2=vec3(offset2,depth2-depth);vec3 normal=cross(p1,p2);normal.z=-normal.z;return normalize(normal);}\nvoid main()\n{vec3 random=normalize(texture2D(randomSampler,vUV*randTextureTiles).rgb);float depth=texture2D(textureSampler,vUV).r;vec3 position=vec3(vUV,depth);vec3 normal=normalFromDepth(depth,vUV);float radiusDepth=radius/depth;float occlusion=0.0;vec3 ray;vec3 hemiRay;float occlusionDepth;float difference;for (int i=0; i<SAMPLES; i++)\n{ray=radiusDepth*reflect(sampleSphere[i],random);hemiRay=position+sign(dot(ray,normal))*ray;occlusionDepth=texture2D(textureSampler,clamp(hemiRay.xy,vec2(0.001,0.001),vec2(0.999,0.999))).r;difference=depth-occlusionDepth;occlusion+=step(fallOff,difference)*(1.0-smoothstep(fallOff,area,difference));}\nfloat ao=1.0-totalStrength*occlusion*samplesFactor;float result=clamp(ao+base,0.0,1.0);gl_FragColor.r=result;gl_FragColor.g=result;gl_FragColor.b=result;gl_FragColor.a=1.0;}\n#endif\n`;\n// Sideeffect\nShaderStore.ShadersStore[name] = shader;\n/** @internal */\nexport const ssaoPixelShader = { name, shader };\n"],"mappings":"AAAA;AACA,SAASA,WAAW,QAAQ,2BAA2B;AACvD,MAAMC,IAAI,GAAG,iBAAiB;AAC9B,MAAMC,MAAM,GAAG;AACf;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA,CAAC;AACD;AACAF,WAAW,CAACG,YAAY,CAACF,IAAI,CAAC,GAAGC,MAAM;AACvC;AACA,OAAO,MAAME,eAAe,GAAG;EAAEH,IAAI;EAAEC;AAAO,CAAC","ignoreList":[]},"metadata":{},"sourceType":"module","externalDependencies":[]}