Function bevy_pbr::setup_morph_and_skinning_defs

pub fn setup_morph_and_skinning_defs(
    mesh_layouts: &MeshLayouts,
    layout: &Hashed<InnerMeshVertexBufferLayout>,
    offset: u32,
    key: &MeshPipelineKey,
    shader_defs: &mut Vec<ShaderDefVal>,
    vertex_attributes: &mut Vec<VertexAttributeDescriptor>
) -> BindGroupLayout