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/*
* Copyright (c) 2018-2020 ARM Limited.
*
* SPDX-License-Identifier: MIT
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* 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 Software.
*
* THE SOFTWARE IS 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 SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef ARM_COMPUTE_GRAPH_BACKEND_REGISTRY_H
#define ARM_COMPUTE_GRAPH_BACKEND_REGISTRY_H
#include "arm_compute/graph/IDeviceBackend.h"
#include "arm_compute/graph/Types.h"
#include "support/MemorySupport.h"
#include <map>
#include <memory>
namespace arm_compute
{
namespace graph
{
namespace backends
{
/** Registry holding all the supported backends */
class BackendRegistry final
{
public:
/** Gets backend registry instance
*
* @return Backend registry instance
*/
static BackendRegistry &get();
/** Finds a backend in the registry
*
* @param[in] target Backend target
*
* @return Pointer to the backend interface if found, else nullptr
*/
IDeviceBackend *find_backend(Target target);
/** Get a backend from the registry
*
* The backend must be present and supported.
*
* @param[in] target Backend target
*
* @return Reference to the backend interface
*/
IDeviceBackend &get_backend(Target target);
/** Checks if a backend for a given target exists
*
* @param[in] target Execution target
*
* @return True if exists else false
*/
bool contains(Target target) const;
/** Backends accessor
*
* @return Map containing the registered backends
*/
const std::map<Target, std::unique_ptr<IDeviceBackend>> &backends() const;
/** Registers a backend to the registry
*
* @param[in] target Execution target to register for
*/
template <typename T>
void add_backend(Target target);
private:
/** Default Constructor */
BackendRegistry();
private:
std::map<Target, std::unique_ptr<IDeviceBackend>> _registered_backends;
};
template <typename T>
inline void BackendRegistry::add_backend(Target target)
{
_registered_backends[target] = support::cpp14::make_unique<T>();
}
} // namespace backends
} // namespace graph
} // namespace arm_compute
#endif /* ARM_COMPUTE_GRAPH_BACKEND_REGISTRY_H */
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