@babylonjs/viewer/dist/chunks/gaussianSplatting.vertex-DxRPiI_v.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";import{s as t}from"./sceneUboDeclaration-BlOB2RUY.esm.min.js";import{m as n}from"./meshUboDeclaration-CnWBjnGc.esm.min.js";import{h as r}from"./helperFunctions-T6LSXWWf.esm.min.js";import{c as o,a}from"./clipPlaneVertex-BjhGhRRh.esm.min.js";import{f as i,a as s}from"./fogVertex-BcRbwqm0.esm.min.js";import{l}from"./logDepthDeclaration-Dfi1mLaK.esm.min.js";import{g as f}from"./gaussianSplatting-Bl_Q-cP-.esm.min.js";import{l as u}from"./logDepthVertex-DVeP6y69.esm.min.js";const p="gaussianSplattingVertexShader",d="#include<sceneUboDeclaration>\n#include<meshUboDeclaration>\n#include<helperFunctions>\n#include<clipPlaneVertexDeclaration>\n#include<fogVertexDeclaration>\n#include<logDepthDeclaration>\nattribute splatIndex0: vec4f;attribute splatIndex1: vec4f;attribute splatIndex2: vec4f;attribute splatIndex3: vec4f;attribute position: vec3f;uniform invViewport: vec2f;uniform dataTextureSize: vec2f;uniform focal: vec2f;uniform kernelSize: f32;uniform minPixelSize: f32;uniform eyePosition: vec3f;uniform alpha: f32;\n#if IS_COMPOUND\nuniform partWorld: array<mat4x4<f32>,MAX_PART_COUNT>;uniform partVisibility: array<f32,MAX_PART_COUNT>;\n#endif\nvar covariancesATexture: texture_2d<f32>;var covariancesBTexture: texture_2d<f32>;var centersTexture: texture_2d<f32>;var colorsTexture: texture_2d<f32>;\n#ifdef USE_SOG\nvar sogQuatsTexture: texture_2d<f32>;uniform sogMeansMin: vec3f;uniform sogMeansMax: vec3f;\n#ifdef USE_SOG_V2\nvar sogCodebookTexture: texture_2d<f32>;\n#else\nuniform sogScalesMin: vec3f;uniform sogScalesMax: vec3f;uniform sogSh0Min: vec4f;uniform sogSh0Max: vec4f;uniform sogShnMin: f32;uniform sogShnMax: f32;\n#endif\n#if SH_DEGREE>0\nvar sogShNCentroidsTexture: texture_2d<f32>;var sogShNLabelsTexture: texture_2d<f32>;uniform sogShCoeffCount: f32;\n#endif\n#endif\n#if SH_DEGREE>0 && !defined(USE_SOG)\nvar shTexture0: texture_2d<u32>;\n#endif\n#if SH_DEGREE>1 && !defined(USE_SOG)\nvar shTexture1: texture_2d<u32>;\n#endif\n#if SH_DEGREE>2 && !defined(USE_SOG)\nvar shTexture2: texture_2d<u32>;\n#endif\n#if SH_DEGREE>3 && !defined(USE_SOG)\nvar shTexture3: texture_2d<u32>;var shTexture4: texture_2d<u32>;\n#endif\n#if IS_COMPOUND\nvar partIndicesTexture: texture_2d<f32>;\n#endif\nvarying vColor: vec4f;varying vPosition: vec2f;\n#define CUSTOM_VERTEX_DEFINITIONS\n#include<gaussianSplatting>\n@vertex\nfn main(input : VertexInputs)->FragmentInputs {\n#define CUSTOM_VERTEX_MAIN_BEGIN\nlet splatIndex: f32=getSplatIndex(i32(vertexInputs.position.z+0.5),vertexInputs.splatIndex0,vertexInputs.splatIndex1,vertexInputs.splatIndex2,vertexInputs.splatIndex3);var splat: Splat=readSplat(splatIndex,uniforms.dataTextureSize);var covA: vec3f=splat.covA.xyz;var covB: vec3f=vec3f(splat.covA.w,splat.covB.xy);\n#if IS_COMPOUND\nlet splatWorld: mat4x4f=getPartWorld(splat.partIndex);\n#else\nlet splatWorld: mat4x4f=mesh.world;\n#endif\nlet worldPos: vec4f=splatWorld*vec4f(splat.center.xyz,1.0);vertexOutputs.vPosition=vertexInputs.position.xy;\n#if SH_DEGREE>0\nlet worldRot: mat3x3f= mat3x3f(splatWorld[0].xyz,splatWorld[1].xyz,splatWorld[2].xyz);let normWorldRot: mat3x3f=inverseMat3(worldRot);var eyeToSplatLocalSpace: vec3f=normalize(normWorldRot*(worldPos.xyz-uniforms.eyePosition.xyz));\n#if defined(GS_DBG_ENABLED) && IS_COMPOUND\n{let _row3=textureLoad(dbgPartData,vec2i(i32(splat.partIndex),3),0);\n#if SH_DEGREE>3\nlet _so4=textureLoad(dbgPartData,vec2i(i32(splat.partIndex),4),0).x;\n#else\nlet _so4: f32=1.0;\n#endif\nvertexOutputs.vColor=vec4f(_row3.x*splat.color.xyz+computeSHWeighted(splat,eyeToSplatLocalSpace,_row3.y,_row3.z,_row3.w,_so4),splat.color.w*uniforms.alpha);}\n#elif defined(GS_DBG_ENABLED) && GS_DBG_SH_DC==0\nvertexOutputs.vColor=vec4f(computeSH(splat,eyeToSplatLocalSpace),splat.color.w*uniforms.alpha);\n#else\nvertexOutputs.vColor=vec4f(splat.color.xyz+computeSH(splat,eyeToSplatLocalSpace),splat.color.w*uniforms.alpha);\n#endif\n#else\n#if defined(GS_DBG_ENABLED) && IS_COMPOUND\n{let _shDc=textureLoad(dbgPartData,vec2i(i32(splat.partIndex),3),0).x;vertexOutputs.vColor=vec4f(_shDc*splat.color.xyz,splat.color.w*uniforms.alpha);}\n#elif defined(GS_DBG_ENABLED) && GS_DBG_SH_DC==0\nvertexOutputs.vColor=vec4f(0.0,0.0,0.0,splat.color.w*uniforms.alpha);\n#else\nvertexOutputs.vColor=vec4f(splat.color.xyz,splat.color.w*uniforms.alpha);\n#endif\n#endif\n#if IS_COMPOUND\nvertexOutputs.vColor.w*=uniforms.partVisibility[splat.partIndex];\n#endif\nvar scale: vec2f=vec2f(1.,1.);\n#define CUSTOM_VERTEX_UPDATE\nvertexOutputs.position=gaussianSplatting(vertexInputs.position.xy,worldPos.xyz,scale,covA,covB,splatWorld,scene.view,scene.projection,uniforms.focal,uniforms.invViewport,uniforms.kernelSize,uniforms.minPixelSize);\n#include<clipPlaneVertex>\n#include<fogVertex>\n#include<logDepthVertex>\n#define CUSTOM_VERTEX_MAIN_END\n}\n";e.ShadersStoreWGSL[p]||(e.ShadersStoreWGSL[p]=d);const c=[t,n,r,o,i,l,f,a,s,u];for(const t of c)e.IncludesShadersStoreWGSL[t.name]||(e.IncludesShadersStoreWGSL[t.name]=t.shader);const x={name:p,shader:d};export{x as gaussianSplattingVertexShaderWGSL};
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