MetalDeviceManager.h

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/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef mozilla_webrender_MetalDeviceManager_h

#define mozilla_webrender_MetalDeviceManager_h

#include <cstdint>

#include "mozilla/Maybe.h"

namespace mozilla::wr {

class MetalDeviceManager {

 public:

  // Returns the registry ID of the system default Metal device, or Nothing on

  // failure. Note that on macOS devices that have multiple GPUs the system

  // default is the discrete GPU.

  static Maybe<uint64_t> GetSystemDefaultDeviceRegistryId();

};

}  // namespace mozilla::wr

#endif  // mozilla_webrender_MetalDeviceManager_h