compute-runtime/runtime/os_interface/device_factory.h

/*
 * Copyright (c) 2017 - 2018, Intel Corporation
 *
 * 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.
 */

#pragma once
#include <cstdlib>

namespace OCLRT {

struct HardwareInfo;
class ExecutionEnvironment;

class DeviceFactory {
  public:
    static bool getDevices(HardwareInfo **pHWInfos, size_t &numDevices, ExecutionEnvironment &executionEnvironment);
    static bool getDevicesForProductFamilyOverride(HardwareInfo **pHWInfos, size_t &numDevices, ExecutionEnvironment &executionEnvironment);
    static void releaseDevices();

  protected:
    static size_t numDevices;
    static HardwareInfo *hwInfos;
};

class DeviceFactoryCleaner {
  public:
    ~DeviceFactoryCleaner() { DeviceFactory::releaseDevices(); }
};

} // namespace OCLRT