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/* -*- tab-width: 4; -*- */
/* vi: set sw=2 ts=4 expandtab textwidth=70: */
/*
* Copyright 2019-2020 The Khronos Group Inc.
* SPDX-License-Identifier: Apache-2.0
*/
/**
* @internal
* @file texture.h
* @~English
*
* @brief Declare internal ktxTexture functions for sharing between
* compilation units.
*
* These functions are private and should not be used outside the library.
*/
#ifndef _TEXTURE_H_
#define _TEXTURE_H_
#include "ktx.h"
#include "formatsize.h"
#define DECLARE_PRIVATE(class) class ## _private* private = This->_private
#define DECLARE_PROTECTED(class) class ## _protected* prtctd = This->_protected;
#ifdef __cplusplus
extern "C" {
#endif
typedef enum {
KTX_FORMAT_VERSION_ONE = 1,
KTX_FORMAT_VERSION_TWO = 2
} ktxFormatVersionEnum;
typedef ktx_size_t (* PFNCALCDATASIZELEVELS)(ktxTexture* This,
ktx_uint32_t levels);
typedef ktx_size_t (* PFNCALCFACELODSIZE)(ktxTexture* This, ktx_uint32_t level);
typedef ktx_size_t (* PFNCALCLEVELOFFSET)(ktxTexture* This, ktx_uint32_t level);
typedef struct ktxTexture_vtblInt {
PFNCALCDATASIZELEVELS calcDataSizeLevels;
PFNCALCFACELODSIZE calcFaceLodSize;
PFNCALCLEVELOFFSET calcLevelOffset;
} ktxTexture_vtblInt;
#define ktxTexture_calcDataSizeLevels(This, levels) \
This->_protected->_vtbl.calcDataSizeLevels(This, levels);
#define ktxTexture_calcFaceLodSize(This, level) \
This->_protected->_vtbl.calcFaceLodSize(This, level);
#define ktxTexture_calcLevelOffset(This, level) \
This->_protected->_vtbl.calcLevelOffset(This, level);
/**
* @memberof ktxTexture
* @~English
*
* @brief protected members of ktxTexture.
*/
typedef struct ktxTexture_protected {
ktxTexture_vtblInt _vtbl;
ktxFormatSize _formatSize;
ktx_uint32_t _typeSize;
ktxStream _stream;
} ktxTexture_protected;
#define ktxTexture_getStream(t) ((ktxStream*)(&(t)->_protected->_stream))
#define ktxTexture1_getStream(t1) ktxTexture_getStream((ktxTexture*)t1)
#define ktxTexture2_getStream(t2) ktxTexture_getStream((ktxTexture*)t2)
KTX_error_code
ktxTexture_iterateLoadedImages(ktxTexture* This, PFNKTXITERCB iterCb,
void* userdata);
KTX_error_code
ktxTexture_iterateSourceImages(ktxTexture* This, PFNKTXITERCB iterCb,
void* userdata);
ktx_size_t ktxTexture_calcDataSizeTexture(ktxTexture* This);
ktx_size_t ktxTexture_calcImageSize(ktxTexture* This, ktx_uint32_t level,
ktxFormatVersionEnum fv);
ktx_bool_t ktxTexture_isActiveStream(ktxTexture* This);
ktx_size_t ktxTexture_calcLevelSize(ktxTexture* This, ktx_uint32_t level,
ktxFormatVersionEnum fv);
ktx_size_t ktxTexture_doCalcFaceLodSize(ktxTexture* This, ktx_uint32_t level,
ktxFormatVersionEnum fv);
ktx_size_t ktxTexture_layerSize(ktxTexture* This, ktx_uint32_t level,
ktxFormatVersionEnum fv);
void ktxTexture_rowInfo(ktxTexture* This, ktx_uint32_t level,
ktx_uint32_t* numRows, ktx_uint32_t* rowBytes,
ktx_uint32_t* rowPadding);
KTX_error_code
ktxTexture_construct(ktxTexture* This, ktxTextureCreateInfo* createInfo,
ktxFormatSize* formatSize);
KTX_error_code
ktxTexture_constructFromStream(ktxTexture* This, ktxStream* pStream,
ktxTextureCreateFlags createFlags);
void
ktxTexture_destruct(ktxTexture* This);
#ifdef __cplusplus
}
#endif
#endif /* _TEXTURE_H_ */
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