Spine 的 Rust 渲染
/// ### 可与其他渲染共用
/// * RenderDevice , RenderQueue
/// * BindBufferAllocator
/// * VertexBufferAllocator
/// * Share<AssetMgr<TextureRes>>
/// * Share<AssetMgr<SamplerRes>>
/// * Share<AssetMgr<RenderRes<BindGroup>>>
///
/// ### 不可与其他渲染共用
/// * XHashMap<u32, Renderer>
/// * SingleSpineBindGroupLayout
/// * SingleSpinePipelinePool
/// 通过 ID u32 获取 Renderer
/// 设置 renderpass , viewport, scissor
/// 调用 DrawList::render( &renderer.drawlist().list, &mut renderpass );