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/*
* Copyright (C) 2020 Linux Studio Plugins Project <https://lsp-plug.in/>
* (C) 2020 Vladimir Sadovnikov <sadko4u@gmail.com>
*
* This file is part of lsp-r3d-iface
* Created on: 24 апр. 2019 г.
*
* lsp-r3d-iface is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* lsp-r3d-iface is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with lsp-r3d-iface. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef LSP_PLUG_IN_R3D_IFACE_FACTORY_H_
#define LSP_PLUG_IN_R3D_IFACE_FACTORY_H_
#include <lsp-plug.in/r3d/iface/version.h>
#include <lsp-plug.in/r3d/iface/backend.h>
#include <lsp-plug.in/r3d/iface/types.h>
#define LSP_R3D_FACTORY_FUNCTION_NAME "lsp_r3d_factory"
#define LSP_R3D_FACTORY_FUNCTION_HEADER(index) ::lsp::r3d::factory_t *lsp_r3d_factory(int index)
namespace lsp
{
namespace r3d
{
/**
* Factory for obtaining 3D rendering backend metadata and
* constructing 3D backend instance
*/
typedef struct factory_t
{
/**
* Get backend metadata
* @param id backend identifier, starting with 0
* @return status of operation or NULL if there is no such backend
*/
const backend_metadata_t *(* metadata)(factory_t *_this, size_t id);
/**
* Create backend
* @param id backend identifier
* @return status of operation
*/
backend_t *(* create)(factory_t *_this, size_t id);
} factory_t;
/**
* Factory function prototype
* @param index the enumeration factory number starting with 0
* @return pointer to the factory function or NULL if there are no more items in enumeration
*/
typedef factory_t *(* factory_function_t)(int index);
}
}
#endif /* LSP_PLUG_IN_R3D_IFACE_FACTORY_H_ */
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