inline read onlyBGRA:Context3DTextureFormat = 1
inline read onlyBGRA_PACKED:Context3DTextureFormat = 2
inline read onlyBGR_PACKED:Context3DTextureFormat = 0
inline read onlyCOMPRESSED:Context3DTextureFormat = 3
inline read onlyCOMPRESSED_ALPHA:Context3DTextureFormat = 4
inline read onlyRGBA_HALF_FLOAT:Context3DTextureFormat = 5