34 lines
1.1 KiB
C++
34 lines
1.1 KiB
C++
#ifndef VOXEL_COMPRESSED_DATA_H
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#define VOXEL_COMPRESSED_DATA_H
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#include "../util/span.h"
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#include <cstdint>
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namespace zylann::voxel::CompressedData {
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// Compressed data starts with a single byte telling which compression format is used.
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// What follows depends on it.
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enum Compression {
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// No compression. All following bytes can be read as-is.
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// Could be used for debugging.
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COMPRESSION_NONE = 0,
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// [deprecated]
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// The next uint32_t will be the size of decompressed data in big endian format.
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// All following bytes are compressed data using LZ4 defaults.
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// This is the fastest compression format.
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COMPRESSION_LZ4_BE = 1,
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// The next uint32_t will be the size of decompressed data (little endian).
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// All following bytes are compressed data using LZ4 defaults.
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// This is the fastest compression format.
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COMPRESSION_LZ4 = 2,
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COMPRESSION_COUNT = 3
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};
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bool compress(Span<const uint8_t> src, std::vector<uint8_t> &dst, Compression comp);
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bool decompress(Span<const uint8_t> src, std::vector<uint8_t> &dst);
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} // namespace zylann::voxel::CompressedData
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#endif // VOXEL_COMPRESSED_DATA_H
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