// Copyright (c) 2015 The Khronos Group Inc.
//
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// copy of this software and/or associated documentation files (the
// "Materials"), to deal in the Materials without restriction, including
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// distribute, sublicense, and/or sell copies of the Materials, and to
// permit persons to whom the Materials are furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Materials.
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// MODIFICATIONS TO THIS FILE MAY MEAN IT NO LONGER ACCURATELY REFLECTS
// KHRONOS STANDARDS. THE UNMODIFIED, NORMATIVE VERSIONS OF KHRONOS
// SPECIFICATIONS AND HEADER INFORMATION ARE LOCATED AT
//    https://www.khronos.org/registry/
//
// THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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#ifndef LIBSPIRV_ENDIAN_H_
#define LIBSPIRV_ENDIAN_H_

#include <libspirv/libspirv.h>

/// @brief Fix the endianness of a word
///
/// @param[in] word whos endianness should be fixed
/// @param[in] endian the desired endianness
///
/// @return word with host endianness correction
uint32_t spvFixWord(const uint32_t word, const spv_endianness_t endian);

/// @brief Fix the endianness of a double word
///
/// @param[in] low the lower 32-bit of the double word
/// @param[in] high the higher 32-bit of the double word
/// @param[in] endian the desired endianness
///
/// @return word with host endianness correction
uint64_t spvFixDoubleWord(const uint32_t low, const uint32_t high,
                          const spv_endianness_t endian);

/// @brief Determine the endianness of the SPV binary
///
/// Gets the endianness of the SPV source. Returns SPV_ENDIANNESS_UNKNOWN if
/// the
/// SPV magic number is invalid, otherwise the determined endianness.
///
/// @param[in] binary the binary module
/// @param[out] pEndian return the endianness of the SPV module
///
/// @return result code
spv_result_t spvBinaryEndianness(const spv_binary binary,
                                 spv_endianness_t* pEndian);

#endif  // LIBSPIRV_ENDIAN_H_