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 bool validate() const { return true; } 30 31 virtual ~FenceSync() {} 32}; 33 34} // namespace sk_gpu_test 35 36#endif 37