1 // Copyright 2013 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "cc/base/latency_info_swap_promise.h" 6 7 #include "base/logging.h" 8 9 namespace { 10 ui::LatencyComponentType DidNotSwapReasonToLatencyComponentType( 11 cc::SwapPromise::DidNotSwapReason reason) { 12 switch (reason) { 13 case cc::SwapPromise::DID_NOT_SWAP_UNKNOWN: 14 case cc::SwapPromise::SWAP_FAILS: 15 return ui::INPUT_EVENT_LATENCY_TERMINATED_SWAP_FAILED_COMPONENT; 16 case cc::SwapPromise::COMMIT_FAILS: 17 return ui::INPUT_EVENT_LATENCY_TERMINATED_COMMIT_FAILED_COMPONENT; 18 case cc::SwapPromise::SWAP_PROMISE_LIST_OVERFLOW: 19 return ui::LATENCY_INFO_LIST_TERMINATED_OVERFLOW_COMPONENT; 20 } 21 NOTREACHED() << "Unhandled DidNotSwapReason."; 22 return ui::INPUT_EVENT_LATENCY_TERMINATED_SWAP_FAILED_COMPONENT; 23 } 24 } // namespace 25 26 namespace cc { 27 28 LatencyInfoSwapPromise::LatencyInfoSwapPromise(const ui::LatencyInfo& latency) 29 : latency_(latency) { 30 } 31 32 LatencyInfoSwapPromise::~LatencyInfoSwapPromise() { 33 } 34 35 void LatencyInfoSwapPromise::DidSwap(CompositorFrameMetadata* metadata) { 36 DCHECK(!latency_.terminated); 37 // TODO(miletus): Append the |latency_| into metadata's LatencyInfo list 38 // once we remove LatencyInfo merge in GPU side. 39 metadata->latency_info.MergeWith(latency_); 40 } 41 42 void LatencyInfoSwapPromise::DidNotSwap(DidNotSwapReason reason) { 43 latency_.AddLatencyNumber(DidNotSwapReasonToLatencyComponentType(reason), 44 0, 0); 45 // TODO(miletus): Turn this back on once per-event LatencyInfo tracking 46 // is enabled in GPU side. 47 // DCHECK(latency_.terminated); 48 } 49 50 } // namespace cc 51
