mirror of https://github.com/mamedev/mame.git
92 lines
1.7 KiB
C++
92 lines
1.7 KiB
C++
/*
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* Copyright 2011-2019 Branimir Karadzic. All rights reserved.
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* License: https://github.com/bkaradzic/bimg#license-bsd-2-clause
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*/
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#ifndef BIMG_P_H_HEADER_GUARD
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#define BIMG_P_H_HEADER_GUARD
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#include <bimg/bimg.h>
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#include <bx/allocator.h>
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#include <bx/readerwriter.h>
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#include <bx/pixelformat.h>
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#include <bx/endian.h>
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#include <bx/error.h>
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#include <bx/simd_t.h>
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#define BIMG_CHUNK_MAGIC_TEX BX_MAKEFOURCC('T', 'E', 'X', 0x0)
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#define BIMG_CHUNK_MAGIC_GNF BX_MAKEFOURCC('G', 'N', 'F', ' ')
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BX_ERROR_RESULT(BIMG_ERROR, BX_MAKEFOURCC('b', 'i', 'm', 'g') );
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#ifndef BIMG_CONFIG_ASTC_DECODE
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# define BIMG_CONFIG_ASTC_DECODE 0
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#endif // BIMG_CONFIG_ASTC_DECODE
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namespace bimg
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{
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struct Memory
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{
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uint8_t* data;
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uint32_t size;
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};
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struct TextureCreate
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{
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TextureFormat::Enum m_format;
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uint16_t m_width;
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uint16_t m_height;
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uint16_t m_depth;
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uint16_t m_numLayers;
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uint8_t m_numMips;
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bool m_cubeMap;
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const Memory* m_mem;
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};
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inline uint8_t calcNumMips(bool _hasMips, uint16_t _width, uint16_t _height, uint16_t _depth = 1)
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{
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if (_hasMips)
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{
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const uint32_t max = bx::max(_width, _height, _depth);
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const uint32_t num = 1 + uint32_t(bx::log2((int32_t)max) );
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return uint8_t(num);
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}
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return 1;
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}
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///
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void imageConvert(
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void* _dst
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, uint32_t _bpp
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, bx::PackFn _pack
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, const void* _src
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, bx::UnpackFn _unpack
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, uint32_t _size
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);
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///
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void imageConvert(
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void* _dst
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, uint32_t _dstBpp
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, bx::PackFn _pack
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, const void* _src
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, uint32_t _srcBpp
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, bx::UnpackFn _unpack
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, uint32_t _width
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, uint32_t _height
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, uint32_t _srcPitch
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);
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///
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bool imageParseGnf(
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ImageContainer& _imageContainer
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, bx::ReaderSeekerI* _reader
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, bx::Error* _err
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);
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} // namespace bimg
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#endif // BIMG_P_H_HEADER_GUARD
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