Function validate_decompression_swizzle

Source/astcenc_entry.cpp:406–418

* @brief Validate overall decompression swizzle. * * @param swizzle The swizzle to check. * * @return Return @c ASTCENC_SUCCESS if validated, otherwise an error on failure. */

 * @return Return @c ASTCENC_SUCCESS if validated, otherwise an error on failure.
 */
static astcenc_error validate_decompression_swizzle(
	const astcenc_swizzle& swizzle
) {
	if (validate_decompression_swz(swizzle.r) ||
	    validate_decompression_swz(swizzle.g) ||
	    validate_decompression_swz(swizzle.b) ||
	    validate_decompression_swz(swizzle.a))
	{
		return ASTCENC_ERR_BAD_SWIZZLE;
	}

	return ASTCENC_SUCCESS;
}

/**
 * Validate that an incoming configuration is in-spec.