VertexFormat:
| "uint8x2"
| "uint8x4"
| "sint8x2"
| "sint8x4"
| "unorm8x2"
| "unorm8x4"
| "snorm8x2"
| "snorm8x4"
| "uint16x2"
| "uint16x4"
| "sint16x2"
| "sint16x4"
| "unorm16x2"
| "unorm16x4"
| "snorm16x2"
| "snorm16x4"
| "float16x2"
| "float16x4"
| "float32"
| "float32x2"
| "float32x3"
| "float32x4"
| "uint32"
| "uint32x2"
| "uint32x3"
| "uint32x4"
| "sint32"
| "sint32x2"
| "sint32x3"
| "sint32x4"
| "unorm10-10-10-2"
顶点数据格式。