引擎SDKREADMEinterfacesGLBufferDescriptor本页总览GLBufferDescriptorPloy3D / GLBufferDescriptorInterface: GLBufferDescriptorGL缓存描述符。Table of contentsPropertieslabelsizeusagePropertieslabel• Readonly label: string描述符标签。size• Readonly size: number缓存大小。usage• Readonly usage: number缓存用法标志集。