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 metadata->latency_info.push_back(latency_); 38 } 39 40 void LatencyInfoSwapPromise::DidNotSwap(DidNotSwapReason reason) { 41 latency_.AddLatencyNumber(DidNotSwapReasonToLatencyComponentType(reason), 42 0, 0); 43 // TODO(miletus): Turn this back on once per-event LatencyInfo tracking 44 // is enabled in GPU side. 45 // DCHECK(latency_.terminated); 46 } 47 48 } // namespace cc 49
