/**
 * Depth-only vertex shader for skinned shadow passes.
 * Applies bone skinning before the lightVP transform. No fragment shader (depth-only).
 */
export declare const SKINNED_SHADOW_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(1) @binding(0) var<uniform> lightVP: mat4x4<f32>;\n@group(2) @binding(0) var<storage, read> boneMatrices: array<mat4x4<f32>>;\n\n@vertex\nfn main(\n  @location(0) position: vec3<f32>,\n  @location(3) joints: vec4<u32>,\n  @location(4) weights: vec4<f32>,\n) -> @builtin(position) vec4<f32> {\n  let skin = boneMatrices[joints.x] * weights.x\n           + boneMatrices[joints.y] * weights.y\n           + boneMatrices[joints.z] * weights.z\n           + boneMatrices[joints.w] * weights.w;\n\n  let skinnedPos = skin * vec4<f32>(position, 1.0);\n  return lightVP * object.model * skinnedPos;\n}\n";
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