vx_import_export.h

/* 
 * Copyright (c) 2012-2016 The Khronos Group Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and/or associated documentation files (the
 * "Materials"), to deal in the Materials without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Materials, and to
 * permit persons to whom the Materials are furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Materials.
 *
 * MODIFICATIONS TO THIS FILE MAY MEAN IT NO LONGER ACCURATELY REFLECTS
 * KHRONOS STANDARDS. THE UNMODIFIED, NORMATIVE VERSIONS OF KHRONOS
 * SPECIFICATIONS AND HEADER INFORMATION ARE LOCATED AT
 *    https://www.khronos.org/registry/
 *
 * THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
 */

#ifndef _OPENVX_IMPORT_EXPORT_H_
#define _OPENVX_IMPORT_EXPORT_H_

typedef struct _vx_import *vx_import;

enum vx_ext_import_type_e
{
    VX_TYPE_IMPORT = 0x815,
};

typedef enum _vx_export_use_e { 
    VX_EXPORT_USE_APPLICATION_CREATE,
    VX_EXPORT_USE_EXPORT_VALUES,
    VX_EXPORT_USE_NO_EXPORT_VALUES 
};

VX_API_ENTRY vx_import VX_API_CALL vxImportObjectsFromMemory(
    vx_context context,         
    vx_size numrefs,            
    vx_reference *refs,         
    const vx_enum * uses,       
    const vx_uint8 * ptr,       
    vx_size length);            


VX_API_ENTRY vx_status VX_API_CALL vxExportObjectsToMemory(
    vx_context context,         
    vx_size numrefs,            
    const vx_reference *refs,   
    const vx_enum * uses,       
    const vx_uint8 ** ptr,      
    vx_size * length);          

VX_API_ENTRY vx_status VX_API_CALL vxReleaseExportedMemory(
    vx_context context,     
    const vx_uint8 ** ptr); 

VX_API_ENTRY vx_status VX_API_CALL vxReleaseImport(vx_import *import);



VX_API_ENTRY vx_reference VX_API_CALL vxGetImportReferenceByName(vx_import import, const vx_char *name);

typedef struct _vx_url_handle * vx_url_handle;

typedef vx_url_handle (VX_CALLBACK * vx_url_create_f)(const vx_char * url);

typedef vx_url_handle (VX_CALLBACK * vx_url_open_f)(const vx_char * url);

typedef vx_status (VX_CALLBACK * vx_url_write_f)(vx_url_handle h, const
vx_uint8 * ptr, vx_size size);

typedef vx_status (VX_CALLBACK * vx_url_read_f)(vx_url_handle h, vx_uint8 *
ptr, vx_size size, vx_size * bytes_read);

typedef vx_status (VX_CALLBACK * vx_url_close_f)(vx_url_handle h);


VX_API_ENTRY vx_status VX_API_CALL vxExportObjectsToURL(
    vx_context context,         
    vx_size numrefs,            
    const vx_reference *refs,   
    const vx_enum * uses,       
    const vx_char * url,        
    vx_url_create_f create_f,   
    vx_url_write_f write_f,     
    vx_url_close_f close_f); 


VX_API_ENTRY vx_import VX_API_CALL vxImportObjectsFromURL(
    vx_context context,         
    vx_size numrefs,            
    vx_reference *refs,         
    const vx_enum * uses,       
    const vx_char * url,        
    vx_url_open_f open_f,       
    vx_url_read_f read_f,       
    vx_url_close_f close_f);  
/*==============================================================================*/
#endif