/*

 * Copyright 2016 Google Inc.

 *

 * Use of this source code is governed by a BSD-style license that can be

 * found in the LICENSE file.

 */

#ifndef FenceSync_DEFINED

#define FenceSync_DEFINED

#include "include/core/SkTypes.h"

namespace sk_gpu_test {

using PlatformFence = uint64_t;

static constexpr PlatformFence kInvalidFence = 0;

/*

 * This class provides an interface to interact with fence syncs. A fence sync is an object that the

 * client can insert into the GPU command stream, and then at any future time, wait until all

 * commands that were issued before the fence have completed.

 */

class FenceSync {

public:

    [[nodiscard]] virtual PlatformFence insertFence() const = 0;

    virtual bool waitFence(PlatformFence) const = 0;

    virtual void deleteFence(PlatformFence) const = 0;

    virtual bool validate() const { return true; }

    virtual ~FenceSync() {}

};

}  // namespace sk_gpu_test

#endif