src/dawn/wire/client/ObjectBase.h

// Copyright 2019 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 SRC_DAWN_WIRE_CLIENT_OBJECTBASE_H_
#define SRC_DAWN_WIRE_CLIENT_OBJECTBASE_H_

#include "dawn/webgpu.h"

#include "dawn/common/LinkedList.h"
#include "dawn/wire/ObjectType_autogen.h"

namespace dawn::wire::client {

class Client;

// All objects on the client side have:
//  - A pointer to the Client to get where to serialize commands
//  - The external reference count
//  - An ID that is used to refer to this object when talking with the server side
//  - A next/prev pointer. They are part of a linked list of objects of the same type.
struct ObjectBase : public LinkNode<ObjectBase> {
    ObjectBase(Client* client, uint32_t refcount, uint32_t id)
        : client(client), refcount(refcount), id(id) {}

    ~ObjectBase() { RemoveFromList(); }

    virtual void CancelCallbacksForDisconnect() {}

    Client* const client;
    uint32_t refcount;
    const uint32_t id;
};

}  // namespace dawn::wire::client

#endif  // SRC_DAWN_WIRE_CLIENT_OBJECTBASE_H_