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1 // Copyright 2012 The Chromium Authors. All rights reserved. | 1 // Copyright 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "config.h" | 5 #include "config.h" |
6 | 6 |
7 #include "cc/frame_rate_counter.h" | 7 #include "cc/frame_rate_counter.h" |
8 | 8 |
9 #include <cmath> | 9 #include <cmath> |
10 | 10 |
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125 | 125 |
126 base::TimeTicks FrameRateCounter::timeStampOfRecentFrame(int n) | 126 base::TimeTicks FrameRateCounter::timeStampOfRecentFrame(int n) |
127 { | 127 { |
128 DCHECK(n >= 0); | 128 DCHECK(n >= 0); |
129 DCHECK(n < kTimeStampHistorySize); | 129 DCHECK(n < kTimeStampHistorySize); |
130 int desiredIndex = (frameIndex(m_currentFrameNumber) + n) % kTimeStampHistor
ySize; | 130 int desiredIndex = (frameIndex(m_currentFrameNumber) + n) % kTimeStampHistor
ySize; |
131 return m_timeStampHistory[desiredIndex]; | 131 return m_timeStampHistory[desiredIndex]; |
132 } | 132 } |
133 | 133 |
134 } // namespace cc | 134 } // namespace cc |
135 | |
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