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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 #ifndef CC_DEBUG_FRAME_RATE_COUNTER_H_ | 5 #ifndef CC_DEBUG_FRAME_RATE_COUNTER_H_ |
6 #define CC_DEBUG_FRAME_RATE_COUNTER_H_ | 6 #define CC_DEBUG_FRAME_RATE_COUNTER_H_ |
7 | 7 |
8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
9 #include "base/memory/scoped_ptr.h" | 9 #include "base/memory/scoped_ptr.h" |
10 #include "base/time.h" | 10 #include "base/time/time.h" |
11 #include "cc/debug/ring_buffer.h" | 11 #include "cc/debug/ring_buffer.h" |
12 | 12 |
13 namespace cc { | 13 namespace cc { |
14 | 14 |
15 // This class maintains a history of timestamps, and provides functionality to | 15 // This class maintains a history of timestamps, and provides functionality to |
16 // intelligently compute average frames per second. | 16 // intelligently compute average frames per second. |
17 class FrameRateCounter { | 17 class FrameRateCounter { |
18 public: | 18 public: |
19 static scoped_ptr<FrameRateCounter> Create(bool has_impl_thread); | 19 static scoped_ptr<FrameRateCounter> Create(bool has_impl_thread); |
20 | 20 |
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48 | 48 |
49 bool has_impl_thread_; | 49 bool has_impl_thread_; |
50 int dropped_frame_count_; | 50 int dropped_frame_count_; |
51 | 51 |
52 DISALLOW_COPY_AND_ASSIGN(FrameRateCounter); | 52 DISALLOW_COPY_AND_ASSIGN(FrameRateCounter); |
53 }; | 53 }; |
54 | 54 |
55 } // namespace cc | 55 } // namespace cc |
56 | 56 |
57 #endif // CC_DEBUG_FRAME_RATE_COUNTER_H_ | 57 #endif // CC_DEBUG_FRAME_RATE_COUNTER_H_ |
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