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// Copyright 2022 The Dawn Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef DAWN_WIRE_OBJECTHANDLE_H_
#define DAWN_WIRE_OBJECTHANDLE_H_
#include <cstdint>
namespace dawn::wire {
using ObjectId = uint32_t;
using ObjectGeneration = uint32_t;
struct ObjectHandle {
ObjectId id;
ObjectGeneration generation;
ObjectHandle();
ObjectHandle(ObjectId id, ObjectGeneration generation);
explicit ObjectHandle(const volatile ObjectHandle& rhs);
ObjectHandle& operator=(const volatile ObjectHandle& rhs);
ObjectHandle(const ObjectHandle& rhs);
ObjectHandle& operator=(const ObjectHandle& rhs);
// MSVC has a bug where it thinks the volatile copy assignment is a duplicate.
// Workaround this by forwarding to a different function AssignFrom.
template <typename T>
ObjectHandle& operator=(const T& rhs) {
return AssignFrom(rhs);
}
ObjectHandle& AssignFrom(const ObjectHandle& rhs);
ObjectHandle& AssignFrom(const volatile ObjectHandle& rhs);
};
} // namespace dawn::wire
#endif // DAWN_WIRE_OBJECTHANDLE_H_