@babylonjs/core/ShadersWGSL/lightingVolume.compute.js

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// Do not edit.
import { ShaderStore } from "../Engines/shaderStore.js";
const name = "lightingVolumeComputeShader";
const shader = `struct Params {invViewProjMatrix: mat4x4f,
invViewMatrix: mat4x4f,
startVertexIndex: u32,
step: f32,
tesselation: u32,
orthoMin: vec3f,
orthoMax: vec3f,};@group(0) @binding(0) var shadowMap : texture_2d<f32>;@group(0) @binding(1) var<uniform> params : Params;@group(0) @binding(2) var<storage,read_write> positions : array<f32>;@compute @workgroup_size(8,8,1)
fn updateFarPlaneVertices(@builtin(global_invocation_id) global_id : vec3u) {let coord=global_id.xy;
#ifdef KEEP_EDGES
if (any(coord>=vec2u(params.tesselation)) || any(coord<=vec2u(0))) {
#else
if (any(coord>vec2u(params.tesselation))) {
#endif
return;}
let stepY=floor(params.step*f32(coord.y));let depthCoord=vec2u(u32(floor(f32(coord.x)*params.step)),u32(stepY));var depth=textureLoad(shadowMap,depthCoord,0).r;
#ifdef MOVE_FAR_DEPTH_TO_NEAR
if (depth==1.0) {depth=0.0;}
#endif
let halfTesselation=f32(params.tesselation>>1);let ndc=vec4f((f32(coord.x)-halfTesselation)/halfTesselation,(f32(coord.y)-halfTesselation)/halfTesselation,depth,1.0);var worldCoords=params.invViewProjMatrix*ndc;let idx=params.startVertexIndex+(coord.y*(params.tesselation+1)+coord.x)*3;positions[idx]=worldCoords.x/worldCoords.w;positions[idx+1]=worldCoords.y/worldCoords.w;positions[idx+2]=worldCoords.z/worldCoords.w;}
@compute @workgroup_size(32,1,1)
fn updatePlaneVertices(@builtin(global_invocation_id) global_id : vec3u) {_=textureDimensions(shadowMap);let uindex=global_id.x;let index=f32(uindex);if (uindex>params.tesselation) {return;}
let step=(params.orthoMax.xy-params.orthoMin.xy)/vec2f(f32(params.tesselation));var vr=params.invViewMatrix*vec4f(params.orthoMax.x,params.orthoMin.y+step.y*index,params.orthoMin.z,1.0);vr=vr/vr.w;positions[uindex*3+0]=vr.x;positions[uindex*3+1]=vr.y;positions[uindex*3+2]=vr.z;var vl=params.invViewMatrix*vec4f(params.orthoMin.x,params.orthoMin.y+step.y*index,params.orthoMin.z,1.0);vl=vl/vl.w;positions[uindex*3+0+(params.tesselation+1)*3]=vl.x;positions[uindex*3+1+(params.tesselation+1)*3]=vl.y;positions[uindex*3+2+(params.tesselation+1)*3]=vl.z;var vb=params.invViewMatrix*vec4f(params.orthoMin.x+step.x*index,params.orthoMin.y,params.orthoMin.z,1.0);vb=vb/vb.w;positions[uindex*3+0+(params.tesselation+1)*6]=vb.x;positions[uindex*3+1+(params.tesselation+1)*6]=vb.y;positions[uindex*3+2+(params.tesselation+1)*6]=vb.z;var vt=params.invViewMatrix*vec4f(params.orthoMin.x+step.x*index,params.orthoMax.y,params.orthoMin.z,1.0);vt=vt/vt.w;positions[uindex*3+0+(params.tesselation+1)*9]=vt.x;positions[uindex*3+1+(params.tesselation+1)*9]=vt.y;positions[uindex*3+2+(params.tesselation+1)*9]=vt.z;}
`;
// Sideeffect
if (!ShaderStore.ShadersStoreWGSL[name]) {
    ShaderStore.ShadersStoreWGSL[name] = shader;
}
/** @internal */
export const lightingVolumeComputeShaderWGSL = { name, shader };
//# sourceMappingURL=lightingVolume.compute.js.map