pub unsafe extern "C" fn ktxTexture_calcImageSize(
This: *mut ktxTexture,
level: ktx_uint32_t,
fv: ktxFormatVersionEnum,
) -> ktx_size_t
pub unsafe extern "C" fn ktxTexture_calcImageSize(
This: *mut ktxTexture,
level: ktx_uint32_t,
fv: ktxFormatVersionEnum,
) -> ktx_size_t