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