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- {"ast":null,"code":"// Do not edit.\nimport { ShaderStore } from \"../../Engines/shaderStore.js\";\nconst name = \"helperFunctions\";\nconst shader = `const float PI=3.1415926535897932384626433832795;const float RECIPROCAL_PI=0.3183098861837907;const float RECIPROCAL_PI2=0.15915494309189535;const float HALF_MIN=5.96046448e-08; \nconst float LinearEncodePowerApprox=2.2;const float GammaEncodePowerApprox=1.0/LinearEncodePowerApprox;const vec3 LuminanceEncodeApprox=vec3(0.2126,0.7152,0.0722);const float Epsilon=0.0000001;\n#define saturate(x) clamp(x,0.0,1.0)\n#define absEps(x) abs(x)+Epsilon\n#define maxEps(x) max(x,Epsilon)\n#define saturateEps(x) clamp(x,Epsilon,1.0)\nmat3 transposeMat3(mat3 inMatrix) {vec3 i0=inMatrix[0];vec3 i1=inMatrix[1];vec3 i2=inMatrix[2];mat3 outMatrix=mat3(\nvec3(i0.x,i1.x,i2.x),\nvec3(i0.y,i1.y,i2.y),\nvec3(i0.z,i1.z,i2.z)\n);return outMatrix;}\nmat3 inverseMat3(mat3 inMatrix) {float a00=inMatrix[0][0],a01=inMatrix[0][1],a02=inMatrix[0][2];float a10=inMatrix[1][0],a11=inMatrix[1][1],a12=inMatrix[1][2];float a20=inMatrix[2][0],a21=inMatrix[2][1],a22=inMatrix[2][2];float b01=a22*a11-a12*a21;float b11=-a22*a10+a12*a20;float b21=a21*a10-a11*a20;float det=a00*b01+a01*b11+a02*b21;return mat3(b01,(-a22*a01+a02*a21),(a12*a01-a02*a11),\nb11,(a22*a00-a02*a20),(-a12*a00+a02*a10),\nb21,(-a21*a00+a01*a20),(a11*a00-a01*a10))/det;}\n#if USE_EXACT_SRGB_CONVERSIONS\nvec3 toLinearSpaceExact(vec3 color)\n{vec3 nearZeroSection=0.0773993808*color;vec3 remainingSection=pow(0.947867299*(color+vec3(0.055)),vec3(2.4));\n#if defined(WEBGL2) || defined(WEBGPU) || defined(NATIVE)\nreturn mix(remainingSection,nearZeroSection,lessThanEqual(color,vec3(0.04045)));\n#else\nreturn\nvec3(\ncolor.r<=0.04045 ? nearZeroSection.r : remainingSection.r,\ncolor.g<=0.04045 ? nearZeroSection.g : remainingSection.g,\ncolor.b<=0.04045 ? nearZeroSection.b : remainingSection.b);\n#endif\n}\nvec3 toGammaSpaceExact(vec3 color)\n{vec3 nearZeroSection=12.92*color;vec3 remainingSection=1.055*pow(color,vec3(0.41666))-vec3(0.055);\n#if defined(WEBGL2) || defined(WEBGPU) || defined(NATIVE)\nreturn mix(remainingSection,nearZeroSection,lessThanEqual(color,vec3(0.0031308)));\n#else\nreturn\nvec3(\ncolor.r<=0.0031308 ? nearZeroSection.r : remainingSection.r,\ncolor.g<=0.0031308 ? nearZeroSection.g : remainingSection.g,\ncolor.b<=0.0031308 ? nearZeroSection.b : remainingSection.b);\n#endif\n}\n#endif\nfloat toLinearSpace(float color)\n{\n#if USE_EXACT_SRGB_CONVERSIONS\nfloat nearZeroSection=0.0773993808*color;float remainingSection=pow(0.947867299*(color+0.055),2.4);return color<=0.04045 ? nearZeroSection : remainingSection;\n#else\nreturn pow(color,LinearEncodePowerApprox);\n#endif\n}\nvec3 toLinearSpace(vec3 color)\n{\n#if USE_EXACT_SRGB_CONVERSIONS\nreturn toLinearSpaceExact(color);\n#else\nreturn pow(color,vec3(LinearEncodePowerApprox));\n#endif\n}\nvec4 toLinearSpace(vec4 color)\n{\n#if USE_EXACT_SRGB_CONVERSIONS\nreturn vec4(toLinearSpaceExact(color.rgb),color.a);\n#else\nreturn vec4(pow(color.rgb,vec3(LinearEncodePowerApprox)),color.a);\n#endif\n}\nfloat toGammaSpace(float color)\n{\n#if USE_EXACT_SRGB_CONVERSIONS\nfloat nearZeroSection=12.92*color;float remainingSection=1.055*pow(color,0.41666)-0.055;return color<=0.0031308 ? nearZeroSection : remainingSection;\n#else\nreturn pow(color,GammaEncodePowerApprox);\n#endif\n}\nvec3 toGammaSpace(vec3 color)\n{\n#if USE_EXACT_SRGB_CONVERSIONS\nreturn toGammaSpaceExact(color);\n#else\nreturn pow(color,vec3(GammaEncodePowerApprox));\n#endif\n}\nvec4 toGammaSpace(vec4 color)\n{\n#if USE_EXACT_SRGB_CONVERSIONS\nreturn vec4(toGammaSpaceExact(color.rgb),color.a);\n#else\nreturn vec4(pow(color.rgb,vec3(GammaEncodePowerApprox)),color.a);\n#endif\n}\nfloat square(float value)\n{return value*value;}\nvec3 square(vec3 value)\n{return value*value;}\nfloat pow5(float value) {float sq=value*value;return sq*sq*value;}\nfloat getLuminance(vec3 color)\n{return clamp(dot(color,LuminanceEncodeApprox),0.,1.);}\nfloat getRand(vec2 seed) {return fract(sin(dot(seed.xy ,vec2(12.9898,78.233)))*43758.5453);}\nfloat dither(vec2 seed,float varianceAmount) {float rand=getRand(seed);float normVariance=varianceAmount/255.0;float dither=mix(-normVariance,normVariance,rand);return dither;}\nconst float rgbdMaxRange=255.0;vec4 toRGBD(vec3 color) {float maxRGB=maxEps(max(color.r,max(color.g,color.b)));float D =max(rgbdMaxRange/maxRGB,1.);D =clamp(floor(D)/255.0,0.,1.);vec3 rgb=color.rgb*D;rgb=toGammaSpace(rgb);return vec4(clamp(rgb,0.,1.),D); }\nvec3 fromRGBD(vec4 rgbd) {rgbd.rgb=toLinearSpace(rgbd.rgb);return rgbd.rgb/rgbd.a;}\nvec3 parallaxCorrectNormal( vec3 vertexPos,vec3 origVec,vec3 cubeSize,vec3 cubePos ) {vec3 invOrigVec=vec3(1.0,1.0,1.0)/origVec;vec3 halfSize=cubeSize*0.5;vec3 intersecAtMaxPlane=(cubePos+halfSize-vertexPos)*invOrigVec;vec3 intersecAtMinPlane=(cubePos-halfSize-vertexPos)*invOrigVec;vec3 largestIntersec=max(intersecAtMaxPlane,intersecAtMinPlane);float distance=min(min(largestIntersec.x,largestIntersec.y),largestIntersec.z);vec3 intersectPositionWS=vertexPos+origVec*distance;return intersectPositionWS-cubePos;}\n`;\n// Sideeffect\nShaderStore.IncludesShadersStore[name] = shader;\n/** @internal */\nexport const helperFunctions = {\n name,\n shader\n};","map":{"version":3,"names":["ShaderStore","name","shader","IncludesShadersStore","helperFunctions"],"sources":["F:/workspace/202226701027/huinongbao-app/node_modules/@babylonjs/core/Shaders/ShadersInclude/helperFunctions.js"],"sourcesContent":["// Do not edit.\nimport { ShaderStore } from \"../../Engines/shaderStore.js\";\nconst name = \"helperFunctions\";\nconst shader = `const float PI=3.1415926535897932384626433832795;const float RECIPROCAL_PI=0.3183098861837907;const float RECIPROCAL_PI2=0.15915494309189535;const float HALF_MIN=5.96046448e-08; \nconst float LinearEncodePowerApprox=2.2;const float GammaEncodePowerApprox=1.0/LinearEncodePowerApprox;const vec3 LuminanceEncodeApprox=vec3(0.2126,0.7152,0.0722);const float Epsilon=0.0000001;\n#define saturate(x) clamp(x,0.0,1.0)\n#define absEps(x) abs(x)+Epsilon\n#define maxEps(x) max(x,Epsilon)\n#define saturateEps(x) clamp(x,Epsilon,1.0)\nmat3 transposeMat3(mat3 inMatrix) {vec3 i0=inMatrix[0];vec3 i1=inMatrix[1];vec3 i2=inMatrix[2];mat3 outMatrix=mat3(\nvec3(i0.x,i1.x,i2.x),\nvec3(i0.y,i1.y,i2.y),\nvec3(i0.z,i1.z,i2.z)\n);return outMatrix;}\nmat3 inverseMat3(mat3 inMatrix) {float a00=inMatrix[0][0],a01=inMatrix[0][1],a02=inMatrix[0][2];float a10=inMatrix[1][0],a11=inMatrix[1][1],a12=inMatrix[1][2];float a20=inMatrix[2][0],a21=inMatrix[2][1],a22=inMatrix[2][2];float b01=a22*a11-a12*a21;float b11=-a22*a10+a12*a20;float b21=a21*a10-a11*a20;float det=a00*b01+a01*b11+a02*b21;return mat3(b01,(-a22*a01+a02*a21),(a12*a01-a02*a11),\nb11,(a22*a00-a02*a20),(-a12*a00+a02*a10),\nb21,(-a21*a00+a01*a20),(a11*a00-a01*a10))/det;}\n#if USE_EXACT_SRGB_CONVERSIONS\nvec3 toLinearSpaceExact(vec3 color)\n{vec3 nearZeroSection=0.0773993808*color;vec3 remainingSection=pow(0.947867299*(color+vec3(0.055)),vec3(2.4));\n#if defined(WEBGL2) || defined(WEBGPU) || defined(NATIVE)\nreturn mix(remainingSection,nearZeroSection,lessThanEqual(color,vec3(0.04045)));\n#else\nreturn\nvec3(\ncolor.r<=0.04045 ? nearZeroSection.r : remainingSection.r,\ncolor.g<=0.04045 ? nearZeroSection.g : remainingSection.g,\ncolor.b<=0.04045 ? nearZeroSection.b : remainingSection.b);\n#endif\n}\nvec3 toGammaSpaceExact(vec3 color)\n{vec3 nearZeroSection=12.92*color;vec3 remainingSection=1.055*pow(color,vec3(0.41666))-vec3(0.055);\n#if defined(WEBGL2) || defined(WEBGPU) || defined(NATIVE)\nreturn mix(remainingSection,nearZeroSection,lessThanEqual(color,vec3(0.0031308)));\n#else\nreturn\nvec3(\ncolor.r<=0.0031308 ? nearZeroSection.r : remainingSection.r,\ncolor.g<=0.0031308 ? nearZeroSection.g : remainingSection.g,\ncolor.b<=0.0031308 ? nearZeroSection.b : remainingSection.b);\n#endif\n}\n#endif\nfloat toLinearSpace(float color)\n{\n#if USE_EXACT_SRGB_CONVERSIONS\nfloat nearZeroSection=0.0773993808*color;float remainingSection=pow(0.947867299*(color+0.055),2.4);return color<=0.04045 ? nearZeroSection : remainingSection;\n#else\nreturn pow(color,LinearEncodePowerApprox);\n#endif\n}\nvec3 toLinearSpace(vec3 color)\n{\n#if USE_EXACT_SRGB_CONVERSIONS\nreturn toLinearSpaceExact(color);\n#else\nreturn pow(color,vec3(LinearEncodePowerApprox));\n#endif\n}\nvec4 toLinearSpace(vec4 color)\n{\n#if USE_EXACT_SRGB_CONVERSIONS\nreturn vec4(toLinearSpaceExact(color.rgb),color.a);\n#else\nreturn vec4(pow(color.rgb,vec3(LinearEncodePowerApprox)),color.a);\n#endif\n}\nfloat toGammaSpace(float color)\n{\n#if USE_EXACT_SRGB_CONVERSIONS\nfloat nearZeroSection=12.92*color;float remainingSection=1.055*pow(color,0.41666)-0.055;return color<=0.0031308 ? nearZeroSection : remainingSection;\n#else\nreturn pow(color,GammaEncodePowerApprox);\n#endif\n}\nvec3 toGammaSpace(vec3 color)\n{\n#if USE_EXACT_SRGB_CONVERSIONS\nreturn toGammaSpaceExact(color);\n#else\nreturn pow(color,vec3(GammaEncodePowerApprox));\n#endif\n}\nvec4 toGammaSpace(vec4 color)\n{\n#if USE_EXACT_SRGB_CONVERSIONS\nreturn vec4(toGammaSpaceExact(color.rgb),color.a);\n#else\nreturn vec4(pow(color.rgb,vec3(GammaEncodePowerApprox)),color.a);\n#endif\n}\nfloat square(float value)\n{return value*value;}\nvec3 square(vec3 value)\n{return value*value;}\nfloat pow5(float value) {float sq=value*value;return sq*sq*value;}\nfloat getLuminance(vec3 color)\n{return clamp(dot(color,LuminanceEncodeApprox),0.,1.);}\nfloat getRand(vec2 seed) {return fract(sin(dot(seed.xy ,vec2(12.9898,78.233)))*43758.5453);}\nfloat dither(vec2 seed,float varianceAmount) {float rand=getRand(seed);float normVariance=varianceAmount/255.0;float dither=mix(-normVariance,normVariance,rand);return dither;}\nconst float rgbdMaxRange=255.0;vec4 toRGBD(vec3 color) {float maxRGB=maxEps(max(color.r,max(color.g,color.b)));float D =max(rgbdMaxRange/maxRGB,1.);D =clamp(floor(D)/255.0,0.,1.);vec3 rgb=color.rgb*D;rgb=toGammaSpace(rgb);return vec4(clamp(rgb,0.,1.),D); }\nvec3 fromRGBD(vec4 rgbd) {rgbd.rgb=toLinearSpace(rgbd.rgb);return rgbd.rgb/rgbd.a;}\nvec3 parallaxCorrectNormal( vec3 vertexPos,vec3 origVec,vec3 cubeSize,vec3 cubePos ) {vec3 invOrigVec=vec3(1.0,1.0,1.0)/origVec;vec3 halfSize=cubeSize*0.5;vec3 intersecAtMaxPlane=(cubePos+halfSize-vertexPos)*invOrigVec;vec3 intersecAtMinPlane=(cubePos-halfSize-vertexPos)*invOrigVec;vec3 largestIntersec=max(intersecAtMaxPlane,intersecAtMinPlane);float distance=min(min(largestIntersec.x,largestIntersec.y),largestIntersec.z);vec3 intersectPositionWS=vertexPos+origVec*distance;return intersectPositionWS-cubePos;}\n`;\n// Sideeffect\nShaderStore.IncludesShadersStore[name] = shader;\n/** @internal */\nexport const helperFunctions = { name, shader };\n"],"mappings":"AAAA;AACA,SAASA,WAAW,QAAQ,8BAA8B;AAC1D,MAAMC,IAAI,GAAG,iBAAiB;AAC9B,MAAMC,MAAM,GAAG;AACf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oBAAoB,CAACF,IAAI,CAAC,GAAGC,MAAM;AAC/C;AACA,OAAO,MAAME,eAAe,GAAG;EAAEH,IAAI;EAAEC;AAAO,CAAC","ignoreList":[]},"metadata":{},"sourceType":"module","externalDependencies":[]}
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