/**
 * Skinned PBR vertex shader.
 * Reads bone matrices from a storage buffer (group 3) and applies GPU skinning.
 * Outputs the same VertexOutput as the regular PBR shader, so the FRAGMENT_SHADER is reused.
 */
export declare const SKINNED_VERTEX_SHADER = "\nstruct ObjectUniforms {\n  mvp: mat4x4<f32>,\n  model: mat4x4<f32>,\n  normalMatrix: mat4x4<f32>,\n};\n\n@group(0) @binding(0) var<uniform> object: ObjectUniforms;\n@group(3) @binding(0) var<storage, read> boneMatrices: array<mat4x4<f32>>;\n\nstruct VertexInput {\n  @location(0) position: vec3<f32>,\n  @location(1) normal: vec3<f32>,\n  @location(2) uv: vec2<f32>,\n  @location(3) joints: vec4<u32>,\n  @location(4) weights: vec4<f32>,\n};\n\nstruct VertexOutput {\n  @builtin(position) clipPosition: vec4<f32>,\n  @location(0) worldPosition: vec3<f32>,\n  @location(1) worldNormal: vec3<f32>,\n  @location(2) uv: vec2<f32>,\n};\n\n@vertex\nfn main(input: VertexInput) -> VertexOutput {\n  // Compute skin matrix from bone weights\n  let skin = boneMatrices[input.joints.x] * input.weights.x\n           + boneMatrices[input.joints.y] * input.weights.y\n           + boneMatrices[input.joints.z] * input.weights.z\n           + boneMatrices[input.joints.w] * input.weights.w;\n\n  let skinnedPos = skin * vec4<f32>(input.position, 1.0);\n  let skinnedNormal = (skin * vec4<f32>(input.normal, 0.0)).xyz;\n\n  let worldPos = object.model * skinnedPos;\n\n  var output: VertexOutput;\n  output.clipPosition = object.mvp * skinnedPos;\n  output.worldPosition = worldPos.xyz;\n  output.worldNormal = (object.normalMatrix * vec4<f32>(skinnedNormal, 0.0)).xyz;\n  output.uv = input.uv;\n  return output;\n}\n";
//# sourceMappingURL=skinned-shader.d.ts.map