<xr-demo-viewer
  title="KHR_texture_transform"
  intro="glTF 贴图矩阵变换支持（需基础库2.31.0）。Copyright 2020 Analytical Graphics, Inc. CC-BY 4.0 Model and textures by Ed Mackey"
>
  <xr-gltf-textureTransform
    disable-scroll
    id="main-frame"
    width="{{renderWidth}}"
    height="{{renderHeight}}"
    style="width:{{width}}px;height:{{height}}px;top:{{top}}px;left:{{left}}px;display:block;"
    a="123"
  />
</xr-demo-viewer>