Device.cpp

//===- DX/Device.cpp - DirectX Device API ---------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
//
//===----------------------------------------------------------------------===//

#include "API/Device.h"

#include "Config.h"

#include "llvm/Support/Error.h"
#include "llvm/Support/raw_ostream.h"

#include <memory>

using namespace offloadtest;

Queue::~Queue() {}

Device::~Device() {}

llvm::Expected<llvm::SmallVector<std::unique_ptr<Device>>>
offloadtest::initializeDevices(const DeviceConfig Config) {
  llvm::SmallVector<std::unique_ptr<Device>> Devices;
  llvm::Error Err = llvm::Error::success();

#ifdef OFFLOADTEST_ENABLE_D3D12
  if (auto E = initializeDX12Devices(Config, Devices))
    Err = llvm::joinErrors(std::move(Err), std::move(E));
#endif

#ifdef OFFLOADTEST_ENABLE_VULKAN
  if (auto E = initializeVulkanDevices(Config, Devices))
    Err = llvm::joinErrors(std::move(Err), std::move(E));
#endif

#ifdef OFFLOADTEST_ENABLE_METAL
  if (auto E = initializeMetalDevices(Config, Devices))
    Err = llvm::joinErrors(std::move(Err), std::move(E));
#endif

  if (Devices.empty()) {
    if (Err)
      return std::move(Err);
    return llvm::createStringError(std::errc::no_such_device,
                                   "No GPU devices found.");
  }
  // Log errors from backends that failed while others succeeded.
  if (Err)
    llvm::logAllUnhandledErrors(std::move(Err), llvm::errs());
  return Devices;
}