inline read onlyBYTES_4:Context3DVertexBufferFormat = 0
inline read onlyFLOAT_1:Context3DVertexBufferFormat = 1
inline read onlyFLOAT_2:Context3DVertexBufferFormat = 2
inline read onlyFLOAT_3:Context3DVertexBufferFormat = 3
inline read onlyFLOAT_4:Context3DVertexBufferFormat = 4