108 lines
3.5 KiB
C++
108 lines
3.5 KiB
C++
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/* -*- 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 texture.h
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* @~English
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*
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* @brief Declare internal ktxTexture 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 _TEXTURE_H_
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#define _TEXTURE_H_
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#include "ktx.h"
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#include "formatsize.h"
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#define DECLARE_PRIVATE(class) class ## _private* private = This->_private
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#define DECLARE_PROTECTED(class) class ## _protected* prtctd = This->_protected;
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef enum {
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KTX_FORMAT_VERSION_ONE = 1,
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KTX_FORMAT_VERSION_TWO = 2
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} ktxFormatVersionEnum;
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typedef ktx_size_t (* PFNCALCDATASIZELEVELS)(ktxTexture* This,
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ktx_uint32_t levels);
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typedef ktx_size_t (* PFNCALCFACELODSIZE)(ktxTexture* This, ktx_uint32_t level);
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typedef ktx_size_t (* PFNCALCLEVELOFFSET)(ktxTexture* This, ktx_uint32_t level);
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typedef struct ktxTexture_vtblInt {
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PFNCALCDATASIZELEVELS calcDataSizeLevels;
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PFNCALCFACELODSIZE calcFaceLodSize;
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PFNCALCLEVELOFFSET calcLevelOffset;
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} ktxTexture_vtblInt;
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#define ktxTexture_calcDataSizeLevels(This, levels) \
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This->_protected->_vtbl.calcDataSizeLevels(This, levels);
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#define ktxTexture_calcFaceLodSize(This, level) \
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This->_protected->_vtbl.calcFaceLodSize(This, level);
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#define ktxTexture_calcLevelOffset(This, level) \
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This->_protected->_vtbl.calcLevelOffset(This, level);
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/**
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* @memberof ktxTexture
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* @~English
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*
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* @brief protected members of ktxTexture.
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*/
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typedef struct ktxTexture_protected {
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ktxTexture_vtblInt _vtbl;
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ktxFormatSize _formatSize;
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ktx_uint32_t _typeSize;
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ktxStream _stream;
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} ktxTexture_protected;
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#define ktxTexture_getStream(t) ((ktxStream*)(&(t)->_protected->_stream))
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#define ktxTexture1_getStream(t1) ktxTexture_getStream((ktxTexture*)t1)
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#define ktxTexture2_getStream(t2) ktxTexture_getStream((ktxTexture*)t2)
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KTX_error_code
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ktxTexture_iterateLoadedImages(ktxTexture* This, PFNKTXITERCB iterCb,
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void* userdata);
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KTX_error_code
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ktxTexture_iterateSourceImages(ktxTexture* This, PFNKTXITERCB iterCb,
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void* userdata);
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ktx_size_t ktxTexture_calcDataSizeTexture(ktxTexture* This);
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ktx_size_t ktxTexture_calcImageSize(ktxTexture* This, ktx_uint32_t level,
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ktxFormatVersionEnum fv);
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ktx_bool_t ktxTexture_isActiveStream(ktxTexture* This);
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ktx_size_t ktxTexture_calcLevelSize(ktxTexture* This, ktx_uint32_t level,
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ktxFormatVersionEnum fv);
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ktx_size_t ktxTexture_doCalcFaceLodSize(ktxTexture* This, ktx_uint32_t level,
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ktxFormatVersionEnum fv);
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ktx_size_t ktxTexture_layerSize(ktxTexture* This, ktx_uint32_t level,
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ktxFormatVersionEnum fv);
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void ktxTexture_rowInfo(ktxTexture* This, ktx_uint32_t level,
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ktx_uint32_t* numRows, ktx_uint32_t* rowBytes,
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ktx_uint32_t* rowPadding);
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KTX_error_code
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ktxTexture_construct(ktxTexture* This, ktxTextureCreateInfo* createInfo,
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ktxFormatSize* formatSize);
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KTX_error_code
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ktxTexture_constructFromStream(ktxTexture* This, ktxStream* pStream,
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ktxTextureCreateFlags createFlags);
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void
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ktxTexture_destruct(ktxTexture* This);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _TEXTURE_H_ */
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