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 13 namespace sk_gpu_test { 14 15 using PlatformFence = uint64_t; 16 static 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 */ 23 class FenceSync { 24 public: 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 ~FenceSync()29 virtual ~FenceSync() {} 30 }; 31 32 } // namespace sk_gpu_test 33 34 #endif 35