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- {"ast":null,"code":"// Do not edit.\nimport { ShaderStore } from \"../Engines/shaderStore.js\";\nimport \"./ShadersInclude/helperFunctions.js\";\nimport \"./ShadersInclude/pbrBRDFFunctions.js\";\nimport \"./ShadersInclude/screenSpaceRayTrace.js\";\nconst name = \"screenSpaceReflection2PixelShader\";\nconst shader = `#if defined(WEBGL2) || defined(WEBGPU) || defined(NATIVE)\n#define TEXTUREFUNC(s,c,lod) texture2DLodEXT(s,c,lod)\n#define TEXTURECUBEFUNC(s,c,lod) textureLod(s,c,lod)\n#else\n#define TEXTUREFUNC(s,c,bias) texture2D(s,c,bias)\n#define TEXTURECUBEFUNC(s,c,bias) textureCube(s,c,bias)\n#endif\nuniform sampler2D textureSampler;varying vec2 vUV;\n#ifdef SSR_SUPPORTED\nuniform sampler2D reflectivitySampler;uniform sampler2D normalSampler;uniform sampler2D depthSampler;\n#ifdef SSRAYTRACE_USE_BACK_DEPTHBUFFER\nuniform sampler2D backDepthSampler;uniform float backSizeFactor;\n#endif\n#ifdef SSR_USE_ENVIRONMENT_CUBE\nuniform samplerCube envCubeSampler;\n#ifdef SSR_USE_LOCAL_REFLECTIONMAP_CUBIC\nuniform vec3 vReflectionPosition;uniform vec3 vReflectionSize;\n#endif\n#endif\nuniform mat4 view;uniform mat4 invView;uniform mat4 projection;uniform mat4 invProjectionMatrix;uniform mat4 projectionPixel;uniform float nearPlaneZ;uniform float farPlaneZ;uniform float stepSize;uniform float maxSteps;uniform float strength;uniform float thickness;uniform float roughnessFactor;uniform float reflectionSpecularFalloffExponent;uniform float maxDistance;uniform float selfCollisionNumSkip;uniform float reflectivityThreshold;\n#include<helperFunctions>\n#include<pbrBRDFFunctions>\n#include<screenSpaceRayTrace>\nvec3 hash(vec3 a)\n{a=fract(a*0.8);a+=dot(a,a.yxz+19.19);return fract((a.xxy+a.yxx)*a.zyx);}\nfloat computeAttenuationForIntersection(ivec2 hitPixel,vec2 hitUV,vec3 vsRayOrigin,vec3 vsHitPoint,vec3 reflectionVector,float maxRayDistance,float numIterations) {float attenuation=1.0;\n#ifdef SSR_ATTENUATE_SCREEN_BORDERS\nvec2 dCoords=smoothstep(0.2,0.6,abs(vec2(0.5,0.5)-hitUV.xy));attenuation*=clamp(1.0-(dCoords.x+dCoords.y),0.0,1.0);\n#endif\n#ifdef SSR_ATTENUATE_INTERSECTION_DISTANCE\nattenuation*=1.0-clamp(distance(vsRayOrigin,vsHitPoint)/maxRayDistance,0.0,1.0);\n#endif\n#ifdef SSR_ATTENUATE_INTERSECTION_NUMITERATIONS\nattenuation*=1.0-(numIterations/maxSteps);\n#endif\n#ifdef SSR_ATTENUATE_BACKFACE_REFLECTION\nvec3 reflectionNormal=texelFetch(normalSampler,hitPixel,0).xyz;float directionBasedAttenuation=smoothstep(-0.17,0.0,dot(reflectionNormal,-reflectionVector));attenuation*=directionBasedAttenuation;\n#endif\nreturn attenuation;}\n#endif\nvoid main()\n{\n#ifdef SSR_SUPPORTED\nvec4 colorFull=TEXTUREFUNC(textureSampler,vUV,0.0);vec3 color=colorFull.rgb;vec4 reflectivity=TEXTUREFUNC(reflectivitySampler,vUV,0.0);\n#ifndef SSR_DISABLE_REFLECTIVITY_TEST\nif (max(reflectivity.r,max(reflectivity.g,reflectivity.b))<=reflectivityThreshold) {\n#ifdef SSR_USE_BLUR\ngl_FragColor=vec4(0.);\n#else\ngl_FragColor=colorFull;\n#endif\nreturn;}\n#endif\n#ifdef SSR_INPUT_IS_GAMMA_SPACE\ncolor=toLinearSpace(color);\n#endif\nvec2 texSize=vec2(textureSize(depthSampler,0));vec3 csNormal=texelFetch(normalSampler,ivec2(vUV*texSize),0).xyz; \n#ifdef SSR_DECODE_NORMAL\ncsNormal=csNormal*2.0-1.0;\n#endif\n#ifdef SSR_NORMAL_IS_IN_WORLDSPACE\ncsNormal=(view*vec4(csNormal,0.0)).xyz;\n#endif\nfloat depth=texelFetch(depthSampler,ivec2(vUV*texSize),0).r;\n#ifdef SSRAYTRACE_SCREENSPACE_DEPTH\ndepth=linearizeDepth(depth,nearPlaneZ,farPlaneZ);\n#endif\nvec3 csPosition=computeViewPosFromUVDepth(vUV,depth,projection,invProjectionMatrix);\n#ifdef ORTHOGRAPHIC_CAMERA\nvec3 csViewDirection=vec3(0.,0.,1.);\n#else\nvec3 csViewDirection=normalize(csPosition);\n#endif\nvec3 csReflectedVector=reflect(csViewDirection,csNormal);\n#ifdef SSR_USE_ENVIRONMENT_CUBE\nvec3 wReflectedVector=vec3(invView*vec4(csReflectedVector,0.0));\n#ifdef SSR_USE_LOCAL_REFLECTIONMAP_CUBIC\nvec4 worldPos=invView*vec4(csPosition,1.0);wReflectedVector=parallaxCorrectNormal(worldPos.xyz,normalize(wReflectedVector),vReflectionSize,vReflectionPosition);\n#endif\n#ifdef SSR_INVERTCUBICMAP\nwReflectedVector.y*=-1.0;\n#endif\n#ifdef SSRAYTRACE_RIGHT_HANDED_SCENE\nwReflectedVector.z*=-1.0;\n#endif\nvec3 envColor=TEXTURECUBEFUNC(envCubeSampler,wReflectedVector,0.0).xyz;\n#ifdef SSR_ENVIRONMENT_CUBE_IS_GAMMASPACE\nenvColor=toLinearSpace(envColor);\n#endif\n#else\nvec3 envColor=color;\n#endif\nfloat reflectionAttenuation=1.0;bool rayHasHit=false;vec2 startPixel;vec2 hitPixel;vec3 hitPoint;float numIterations;\n#ifdef SSRAYTRACE_DEBUG\nvec3 debugColor;\n#endif\n#ifdef SSR_ATTENUATE_FACING_CAMERA\nreflectionAttenuation*=1.0-smoothstep(0.25,0.5,dot(-csViewDirection,csReflectedVector));\n#endif\nif (reflectionAttenuation>0.0) {\n#ifdef SSR_USE_BLUR\nvec3 jitt=vec3(0.);\n#else\nfloat roughness=1.0-reflectivity.a;vec3 jitt=mix(vec3(0.0),hash(csPosition)-vec3(0.5),roughness)*roughnessFactor; \n#endif\nvec2 uv2=vUV*texSize;float c=(uv2.x+uv2.y)*0.25;float jitter=mod(c,1.0); \nrayHasHit=traceScreenSpaceRay1(\ncsPosition,\nnormalize(csReflectedVector+jitt),\nprojectionPixel,\ndepthSampler,\ntexSize,\n#ifdef SSRAYTRACE_USE_BACK_DEPTHBUFFER\nbackDepthSampler,\nbackSizeFactor,\n#endif\nthickness,\nnearPlaneZ,\nfarPlaneZ,\nstepSize,\njitter,\nmaxSteps,\nmaxDistance,\nselfCollisionNumSkip,\nstartPixel,\nhitPixel,\nhitPoint,\nnumIterations\n#ifdef SSRAYTRACE_DEBUG\n,debugColor\n#endif\n);}\n#ifdef SSRAYTRACE_DEBUG\ngl_FragColor=vec4(debugColor,1.);return;\n#endif\nvec3 F0=reflectivity.rgb;vec3 fresnel=fresnelSchlickGGX(max(dot(csNormal,-csViewDirection),0.0),F0,vec3(1.));vec3 SSR=envColor;if (rayHasHit) {vec3 reflectedColor=texelFetch(textureSampler,ivec2(hitPixel),0).rgb;\n#ifdef SSR_INPUT_IS_GAMMA_SPACE\nreflectedColor=toLinearSpace(reflectedColor);\n#endif\nreflectionAttenuation*=computeAttenuationForIntersection(ivec2(hitPixel),hitPixel/texSize,csPosition,hitPoint,csReflectedVector,maxDistance,numIterations);SSR=reflectedColor*reflectionAttenuation+(1.0-reflectionAttenuation)*envColor;}\n#ifndef SSR_BLEND_WITH_FRESNEL\nSSR*=fresnel;\n#endif\n#ifdef SSR_USE_BLUR\nfloat blur_radius=0.0;float roughness=1.0-reflectivity.a*(1.0-roughnessFactor);if (roughness>0.001) {float cone_angle=min(roughness,0.999)*3.14159265*0.5;float cone_len=distance(startPixel,hitPixel);float op_len=2.0*tan(cone_angle)*cone_len; \nfloat a=op_len;float h=cone_len;float a2=a*a;float fh2=4.0f*h*h;blur_radius=(a*(sqrt(a2+fh2)-a))/(4.0f*h);}\ngl_FragColor=vec4(SSR,blur_radius/255.0); \n#else\n#ifdef SSR_BLEND_WITH_FRESNEL\nvec3 reflectionMultiplier=clamp(pow(fresnel*strength,vec3(reflectionSpecularFalloffExponent)),0.0,1.0);\n#else\nvec3 reflectionMultiplier=clamp(pow(reflectivity.rgb*strength,vec3(reflectionSpecularFalloffExponent)),0.0,1.0);\n#endif\nvec3 colorMultiplier=1.0-reflectionMultiplier;vec3 finalColor=(color*colorMultiplier)+(SSR*reflectionMultiplier);\n#ifdef SSR_OUTPUT_IS_GAMMA_SPACE\nfinalColor=toGammaSpace(finalColor);\n#endif\ngl_FragColor=vec4(finalColor,colorFull.a);\n#endif\n#else\ngl_FragColor=TEXTUREFUNC(textureSampler,vUV,0.0);\n#endif\n}\n`;\n// Sideeffect\nShaderStore.ShadersStore[name] = shader;\n/** @internal */\nexport const screenSpaceReflection2PixelShader = {\n name,\n shader\n};","map":{"version":3,"names":["ShaderStore","name","shader","ShadersStore","screenSpaceReflection2PixelShader"],"sources":["F:/workspace/202226701027/huinongbao-app/node_modules/@babylonjs/core/Shaders/screenSpaceReflection2.fragment.js"],"sourcesContent":["// Do not edit.\nimport { ShaderStore } from \"../Engines/shaderStore.js\";\nimport \"./ShadersInclude/helperFunctions.js\";\nimport \"./ShadersInclude/pbrBRDFFunctions.js\";\nimport \"./ShadersInclude/screenSpaceRayTrace.js\";\nconst name = \"screenSpaceReflection2PixelShader\";\nconst shader = `#if defined(WEBGL2) || defined(WEBGPU) || defined(NATIVE)\n#define TEXTUREFUNC(s,c,lod) texture2DLodEXT(s,c,lod)\n#define TEXTURECUBEFUNC(s,c,lod) textureLod(s,c,lod)\n#else\n#define TEXTUREFUNC(s,c,bias) texture2D(s,c,bias)\n#define TEXTURECUBEFUNC(s,c,bias) textureCube(s,c,bias)\n#endif\nuniform sampler2D textureSampler;varying vec2 vUV;\n#ifdef SSR_SUPPORTED\nuniform sampler2D reflectivitySampler;uniform sampler2D normalSampler;uniform sampler2D depthSampler;\n#ifdef SSRAYTRACE_USE_BACK_DEPTHBUFFER\nuniform sampler2D backDepthSampler;uniform float backSizeFactor;\n#endif\n#ifdef SSR_USE_ENVIRONMENT_CUBE\nuniform samplerCube envCubeSampler;\n#ifdef SSR_USE_LOCAL_REFLECTIONMAP_CUBIC\nuniform vec3 vReflectionPosition;uniform vec3 vReflectionSize;\n#endif\n#endif\nuniform mat4 view;uniform mat4 invView;uniform mat4 projection;uniform mat4 invProjectionMatrix;uniform mat4 projectionPixel;uniform float nearPlaneZ;uniform float farPlaneZ;uniform float stepSize;uniform float maxSteps;uniform float strength;uniform float thickness;uniform float roughnessFactor;uniform float reflectionSpecularFalloffExponent;uniform float maxDistance;uniform float selfCollisionNumSkip;uniform float reflectivityThreshold;\n#include<helperFunctions>\n#include<pbrBRDFFunctions>\n#include<screenSpaceRayTrace>\nvec3 hash(vec3 a)\n{a=fract(a*0.8);a+=dot(a,a.yxz+19.19);return fract((a.xxy+a.yxx)*a.zyx);}\nfloat computeAttenuationForIntersection(ivec2 hitPixel,vec2 hitUV,vec3 vsRayOrigin,vec3 vsHitPoint,vec3 reflectionVector,float maxRayDistance,float numIterations) {float attenuation=1.0;\n#ifdef SSR_ATTENUATE_SCREEN_BORDERS\nvec2 dCoords=smoothstep(0.2,0.6,abs(vec2(0.5,0.5)-hitUV.xy));attenuation*=clamp(1.0-(dCoords.x+dCoords.y),0.0,1.0);\n#endif\n#ifdef SSR_ATTENUATE_INTERSECTION_DISTANCE\nattenuation*=1.0-clamp(distance(vsRayOrigin,vsHitPoint)/maxRayDistance,0.0,1.0);\n#endif\n#ifdef SSR_ATTENUATE_INTERSECTION_NUMITERATIONS\nattenuation*=1.0-(numIterations/maxSteps);\n#endif\n#ifdef SSR_ATTENUATE_BACKFACE_REFLECTION\nvec3 reflectionNormal=texelFetch(normalSampler,hitPixel,0).xyz;float directionBasedAttenuation=smoothstep(-0.17,0.0,dot(reflectionNormal,-reflectionVector));attenuation*=directionBasedAttenuation;\n#endif\nreturn attenuation;}\n#endif\nvoid main()\n{\n#ifdef SSR_SUPPORTED\nvec4 colorFull=TEXTUREFUNC(textureSampler,vUV,0.0);vec3 color=colorFull.rgb;vec4 reflectivity=TEXTUREFUNC(reflectivitySampler,vUV,0.0);\n#ifndef SSR_DISABLE_REFLECTIVITY_TEST\nif (max(reflectivity.r,max(reflectivity.g,reflectivity.b))<=reflectivityThreshold) {\n#ifdef SSR_USE_BLUR\ngl_FragColor=vec4(0.);\n#else\ngl_FragColor=colorFull;\n#endif\nreturn;}\n#endif\n#ifdef SSR_INPUT_IS_GAMMA_SPACE\ncolor=toLinearSpace(color);\n#endif\nvec2 texSize=vec2(textureSize(depthSampler,0));vec3 csNormal=texelFetch(normalSampler,ivec2(vUV*texSize),0).xyz; \n#ifdef SSR_DECODE_NORMAL\ncsNormal=csNormal*2.0-1.0;\n#endif\n#ifdef SSR_NORMAL_IS_IN_WORLDSPACE\ncsNormal=(view*vec4(csNormal,0.0)).xyz;\n#endif\nfloat depth=texelFetch(depthSampler,ivec2(vUV*texSize),0).r;\n#ifdef SSRAYTRACE_SCREENSPACE_DEPTH\ndepth=linearizeDepth(depth,nearPlaneZ,farPlaneZ);\n#endif\nvec3 csPosition=computeViewPosFromUVDepth(vUV,depth,projection,invProjectionMatrix);\n#ifdef ORTHOGRAPHIC_CAMERA\nvec3 csViewDirection=vec3(0.,0.,1.);\n#else\nvec3 csViewDirection=normalize(csPosition);\n#endif\nvec3 csReflectedVector=reflect(csViewDirection,csNormal);\n#ifdef SSR_USE_ENVIRONMENT_CUBE\nvec3 wReflectedVector=vec3(invView*vec4(csReflectedVector,0.0));\n#ifdef SSR_USE_LOCAL_REFLECTIONMAP_CUBIC\nvec4 worldPos=invView*vec4(csPosition,1.0);wReflectedVector=parallaxCorrectNormal(worldPos.xyz,normalize(wReflectedVector),vReflectionSize,vReflectionPosition);\n#endif\n#ifdef SSR_INVERTCUBICMAP\nwReflectedVector.y*=-1.0;\n#endif\n#ifdef SSRAYTRACE_RIGHT_HANDED_SCENE\nwReflectedVector.z*=-1.0;\n#endif\nvec3 envColor=TEXTURECUBEFUNC(envCubeSampler,wReflectedVector,0.0).xyz;\n#ifdef SSR_ENVIRONMENT_CUBE_IS_GAMMASPACE\nenvColor=toLinearSpace(envColor);\n#endif\n#else\nvec3 envColor=color;\n#endif\nfloat reflectionAttenuation=1.0;bool rayHasHit=false;vec2 startPixel;vec2 hitPixel;vec3 hitPoint;float numIterations;\n#ifdef SSRAYTRACE_DEBUG\nvec3 debugColor;\n#endif\n#ifdef SSR_ATTENUATE_FACING_CAMERA\nreflectionAttenuation*=1.0-smoothstep(0.25,0.5,dot(-csViewDirection,csReflectedVector));\n#endif\nif (reflectionAttenuation>0.0) {\n#ifdef SSR_USE_BLUR\nvec3 jitt=vec3(0.);\n#else\nfloat roughness=1.0-reflectivity.a;vec3 jitt=mix(vec3(0.0),hash(csPosition)-vec3(0.5),roughness)*roughnessFactor; \n#endif\nvec2 uv2=vUV*texSize;float c=(uv2.x+uv2.y)*0.25;float jitter=mod(c,1.0); \nrayHasHit=traceScreenSpaceRay1(\ncsPosition,\nnormalize(csReflectedVector+jitt),\nprojectionPixel,\ndepthSampler,\ntexSize,\n#ifdef SSRAYTRACE_USE_BACK_DEPTHBUFFER\nbackDepthSampler,\nbackSizeFactor,\n#endif\nthickness,\nnearPlaneZ,\nfarPlaneZ,\nstepSize,\njitter,\nmaxSteps,\nmaxDistance,\nselfCollisionNumSkip,\nstartPixel,\nhitPixel,\nhitPoint,\nnumIterations\n#ifdef SSRAYTRACE_DEBUG\n,debugColor\n#endif\n);}\n#ifdef SSRAYTRACE_DEBUG\ngl_FragColor=vec4(debugColor,1.);return;\n#endif\nvec3 F0=reflectivity.rgb;vec3 fresnel=fresnelSchlickGGX(max(dot(csNormal,-csViewDirection),0.0),F0,vec3(1.));vec3 SSR=envColor;if (rayHasHit) {vec3 reflectedColor=texelFetch(textureSampler,ivec2(hitPixel),0).rgb;\n#ifdef SSR_INPUT_IS_GAMMA_SPACE\nreflectedColor=toLinearSpace(reflectedColor);\n#endif\nreflectionAttenuation*=computeAttenuationForIntersection(ivec2(hitPixel),hitPixel/texSize,csPosition,hitPoint,csReflectedVector,maxDistance,numIterations);SSR=reflectedColor*reflectionAttenuation+(1.0-reflectionAttenuation)*envColor;}\n#ifndef SSR_BLEND_WITH_FRESNEL\nSSR*=fresnel;\n#endif\n#ifdef SSR_USE_BLUR\nfloat blur_radius=0.0;float roughness=1.0-reflectivity.a*(1.0-roughnessFactor);if (roughness>0.001) {float cone_angle=min(roughness,0.999)*3.14159265*0.5;float cone_len=distance(startPixel,hitPixel);float op_len=2.0*tan(cone_angle)*cone_len; \nfloat a=op_len;float h=cone_len;float a2=a*a;float fh2=4.0f*h*h;blur_radius=(a*(sqrt(a2+fh2)-a))/(4.0f*h);}\ngl_FragColor=vec4(SSR,blur_radius/255.0); \n#else\n#ifdef SSR_BLEND_WITH_FRESNEL\nvec3 reflectionMultiplier=clamp(pow(fresnel*strength,vec3(reflectionSpecularFalloffExponent)),0.0,1.0);\n#else\nvec3 reflectionMultiplier=clamp(pow(reflectivity.rgb*strength,vec3(reflectionSpecularFalloffExponent)),0.0,1.0);\n#endif\nvec3 colorMultiplier=1.0-reflectionMultiplier;vec3 finalColor=(color*colorMultiplier)+(SSR*reflectionMultiplier);\n#ifdef SSR_OUTPUT_IS_GAMMA_SPACE\nfinalColor=toGammaSpace(finalColor);\n#endif\ngl_FragColor=vec4(finalColor,colorFull.a);\n#endif\n#else\ngl_FragColor=TEXTUREFUNC(textureSampler,vUV,0.0);\n#endif\n}\n`;\n// Sideeffect\nShaderStore.ShadersStore[name] = shader;\n/** @internal */\nexport const screenSpaceReflection2PixelShader = { name, shader };\n"],"mappings":"AAAA;AACA,SAASA,WAAW,QAAQ,2BAA2B;AACvD,OAAO,qCAAqC;AAC5C,OAAO,sCAAsC;AAC7C,OAAO,yCAAyC;AAChD,MAAMC,IAAI,GAAG,mCAAmC;AAChD,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;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;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;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;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;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;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA,CAAC;AACD;AACAF,WAAW,CAACG,YAAY,CAACF,IAAI,CAAC,GAAGC,MAAM;AACvC;AACA,OAAO,MAAME,iCAAiC,GAAG;EAAEH,IAAI;EAAEC;AAAO,CAAC","ignoreList":[]},"metadata":{},"sourceType":"module","externalDependencies":[]}
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