2 * Copyright 2016 Google Inc.
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
8 #ifndef FenceSync_DEFINED
9 #define FenceSync_DEFINED
11 #include "include/core/SkTypes.h"
13 namespace sk_gpu_test {
15 using PlatformFence = uint64_t;
16 static constexpr PlatformFence kInvalidFence = 0;
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.
25 virtual PlatformFence SK_WARN_UNUSED_RESULT insertFence() const = 0;
26 virtual bool waitFence(PlatformFence) const = 0;
27 virtual void deleteFence(PlatformFence) const = 0;
29 virtual bool validate() const { return true; }
31 virtual ~FenceSync() {}
34 } // namespace sk_gpu_test