@babylonjs/viewer/dist/chunks/iblCdfy.fragment-CLT8W4rk.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-BPURObVq.esm.min.js";const n="iblCdfyPixelShader",r="varying vUV : vec2f;\n#include <helperFunctions>\n#ifdef IBL_USE_CUBE_MAP\nvar iblSourceSampler: sampler;var iblSource: texture_cube<f32>;\n#else\nvar iblSourceSampler: sampler;var iblSource: texture_2d<f32>;\n#endif\nuniform iblHeight: i32;\n#ifdef IBL_USE_CUBE_MAP\nfn fetchCube(uv: vec2f)->f32 {var direction: vec3f=equirectangularToCubemapDirection(uv);return sin(PI*uv.y) *\ndot(textureSampleLevel(iblSource,iblSourceSampler,direction,0.0)\n.rgb,\nLuminanceEncodeApprox);}\n#else\nfn fetchPanoramic(Coords: vec2i,envmapHeight: f32)->f32 {return sin(PI*(f32(Coords.y)+0.5)/envmapHeight) *\ndot(textureLoad(iblSource,Coords,0).rgb,LuminanceEncodeApprox);}\n#endif\n@fragment\nfn main(input: FragmentInputs)->FragmentOutputs {var coords: vec2i= vec2i(fragmentInputs.position.xy);var cdfy: f32=0.0;for (var y: i32=1; y<=coords.y; y++) {\n#ifdef IBL_USE_CUBE_MAP\nvar uv: vec2f= vec2f(input.vUV.x,( f32(y-1)+0.5)/ f32(uniforms.iblHeight));cdfy+=fetchCube(uv);\n#else\ncdfy+=fetchPanoramic( vec2i(coords.x,y-1), f32(uniforms.iblHeight));\n#endif\n}\nfragmentOutputs.color= vec4f(cdfy,0.0,0.0,1.0);}";e.ShadersStoreWGSL[n]||(e.ShadersStoreWGSL[n]=r);const i={name:n,shader:r};export{i as iblCdfyPixelShaderWGSL};
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