/*
 * Copyright (C) 2017-2019 Intel Corporation
 *
 * SPDX-License-Identifier: MIT
 *
 */

#ifdef _WIN32

#include "runtime/device/device.h"
#include "runtime/os_interface/debug_settings_manager.h"
#include "runtime/os_interface/device_factory.h"
#include "runtime/os_interface/windows/os_interface.h"
#include "runtime/os_interface/windows/wddm/wddm.h"
#include "runtime/os_interface/windows/wddm_memory_operations_handler.h"

namespace NEO {

extern const HardwareInfo *hardwareInfoTable[IGFX_MAX_PRODUCT];

size_t DeviceFactory::numDevices = 0;

bool DeviceFactory::getDevices(size_t &numDevices, ExecutionEnvironment &executionEnvironment) {
    numDevices = 0;

    auto numRootDevices = 1u;
    if (DebugManager.flags.CreateMultipleRootDevices.get()) {
        numRootDevices = DebugManager.flags.CreateMultipleRootDevices.get();
    }

    executionEnvironment.rootDeviceEnvironments.resize(numRootDevices);

    auto hardwareInfo = executionEnvironment.getMutableHardwareInfo();
    std::unique_ptr<Wddm> wddm(Wddm::createWddm());
    if (!wddm->init(*hardwareInfo)) {
        return false;
    }

    executionEnvironment.memoryOperationsInterface = std::make_unique<WddmMemoryOperationsHandler>(wddm.get());
    executionEnvironment.osInterface = std::make_unique<OSInterface>();
    executionEnvironment.osInterface->get()->setWddm(wddm.release());

    numDevices = numRootDevices;
    DeviceFactory::numDevices = numDevices;

    return true;
}

void DeviceFactory::releaseDevices() {
    DeviceFactory::numDevices = 0;
}

void Device::appendOSExtensions(std::string &deviceExtensions) {
    deviceExtensions += "cl_intel_simultaneous_sharing ";

    simultaneousInterops = {CL_GL_CONTEXT_KHR,
                            CL_WGL_HDC_KHR,
                            CL_CONTEXT_ADAPTER_D3D9_KHR,
                            CL_CONTEXT_D3D9_DEVICE_INTEL,
                            CL_CONTEXT_ADAPTER_D3D9EX_KHR,
                            CL_CONTEXT_D3D9EX_DEVICE_INTEL,
                            CL_CONTEXT_ADAPTER_DXVA_KHR,
                            CL_CONTEXT_DXVA_DEVICE_INTEL,
                            CL_CONTEXT_D3D10_DEVICE_KHR,
                            CL_CONTEXT_D3D11_DEVICE_KHR,
                            0};
}
} // namespace NEO

#endif