1/*
2 * Copyright 2016 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8#ifndef FenceSync_DEFINED
9#define FenceSync_DEFINED
10
11#include "SkTypes.h"
12
13namespace sk_gpu_test {
14
15using PlatformFence = uint64_t;
16static constexpr PlatformFence kInvalidFence = 0;
17
18/*
19 * This class provides an interface to interact with fence syncs. A fence sync is an object that the
20 * client can insert into the GPU command stream, and then at any future time, wait until all
21 * commands that were issued before the fence have completed.
22 */
23class FenceSync {
24public:
25    virtual PlatformFence SK_WARN_UNUSED_RESULT insertFence() const = 0;
26    virtual bool waitFence(PlatformFence) const = 0;
27    virtual void deleteFence(PlatformFence) const = 0;
28
29    virtual ~FenceSync() {}
30};
31
32}  // namespace sk_gpu_test
33
34#endif
35