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71 lines
2.3 KiB
C++
71 lines
2.3 KiB
C++
/* -*- tab-width: 4; -*- */
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/* vi: set sw=2 ts=4 expandtab textwidth=70: */
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/*
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* Copyright 2019-2020 The Khronos Group Inc.
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* SPDX-License-Identifier: Apache-2.0
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*/
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/**
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* @internal
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* @file texture2.h
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* @~English
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*
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* @brief Declare internal ktxTexture2 functions for sharing between
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* compilation units.
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*
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* These functions are private and should not be used outside the library.
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*/
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#ifndef _TEXTURE2_H_
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#define _TEXTURE2_H_
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#include "texture.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define CLASS ktxTexture2
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#include "texture_funcs.inl"
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#undef CLASS
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typedef struct ktxTexture2_private {
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ktx_uint8_t* _supercompressionGlobalData;
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ktx_uint32_t _requiredLevelAlignment;
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ktx_uint64_t _sgdByteLength;
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ktx_uint64_t _firstLevelFileOffset; /*!< Always 0, unless the texture was
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created from a stream and the image
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data is not yet loaded. */
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// Must be last so it can grow.
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ktxLevelIndexEntry _levelIndex[1]; /*!< Offsets in this index are from the
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start of the image data. Use
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ktxTexture_levelStreamOffset() and
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ktxTexture_levelDataOffset(). The former
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will add the above file offset to the
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index offset. */
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} ktxTexture2_private;
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KTX_error_code
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ktxTexture2_LoadImageData(ktxTexture2* This,
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ktx_uint8_t* pBuffer, ktx_size_t bufSize);
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KTX_error_code
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ktxTexture2_constructCopy(ktxTexture2* This, ktxTexture2* orig);
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KTX_error_code
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ktxTexture2_constructFromStreamAndHeader(ktxTexture2* This, ktxStream* pStream,
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KTX_header2* pHeader,
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ktxTextureCreateFlags createFlags);
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ktx_uint64_t ktxTexture2_calcDataSizeTexture(ktxTexture2* This);
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ktx_size_t ktxTexture2_calcLevelOffset(ktxTexture2* This, ktx_uint32_t level);
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ktx_uint32_t ktxTexture2_calcRequiredLevelAlignment(ktxTexture2* This);
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ktx_uint64_t ktxTexture2_levelFileOffset(ktxTexture2* This, ktx_uint32_t level);
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ktx_uint64_t ktxTexture2_levelDataOffset(ktxTexture2* This, ktx_uint32_t level);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _TEXTURE2_H_ */
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