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| 1 // Copyright 2011 The Chromium Authors. All rights reserved. | 1 // Copyright 2011 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_SCHEDULER_FRAME_RATE_CONTROLLER_H_ | 5 #ifndef CC_SCHEDULER_FRAME_RATE_CONTROLLER_H_ |
| 6 #define CC_SCHEDULER_FRAME_RATE_CONTROLLER_H_ | 6 #define CC_SCHEDULER_FRAME_RATE_CONTROLLER_H_ |
| 7 | 7 |
| 8 #include "base/memory/ref_counted.h" | 8 #include "base/memory/ref_counted.h" |
| 9 #include "base/memory/scoped_ptr.h" | 9 #include "base/memory/scoped_ptr.h" |
| 10 #include "base/memory/weak_ptr.h" | 10 #include "base/memory/weak_ptr.h" |
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| 56 int NumFramesPendingForTesting() const { return num_frames_pending_; } | 56 int NumFramesPendingForTesting() const { return num_frames_pending_; } |
| 57 | 57 |
| 58 // This returns null for unthrottled frame-rate. | 58 // This returns null for unthrottled frame-rate. |
| 59 base::TimeTicks NextTickTime(); | 59 base::TimeTicks NextTickTime(); |
| 60 | 60 |
| 61 // This returns now for unthrottled frame-rate. | 61 // This returns now for unthrottled frame-rate. |
| 62 base::TimeTicks LastTickTime(); | 62 base::TimeTicks LastTickTime(); |
| 63 | 63 |
| 64 void SetTimebaseAndInterval(base::TimeTicks timebase, | 64 void SetTimebaseAndInterval(base::TimeTicks timebase, |
| 65 base::TimeDelta interval); | 65 base::TimeDelta interval); |
| 66 bool swap_buffers_complete_supported() const; |
| 66 void SetSwapBuffersCompleteSupported(bool supported); | 67 void SetSwapBuffersCompleteSupported(bool supported); |
| 67 | 68 |
| 68 protected: | 69 protected: |
| 69 friend class FrameRateControllerTimeSourceAdapter; | 70 friend class FrameRateControllerTimeSourceAdapter; |
| 70 void OnTimerTick(); | 71 void OnTimerTick(); |
| 71 | 72 |
| 72 void PostManualTick(); | 73 void PostManualTick(); |
| 73 void ManualTick(); | 74 void ManualTick(); |
| 74 | 75 |
| 75 FrameRateControllerClient* client_; | 76 FrameRateControllerClient* client_; |
| 76 int num_frames_pending_; | 77 int num_frames_pending_; |
| 77 int max_frames_pending_; | 78 int max_frames_pending_; |
| 78 scoped_refptr<TimeSource> time_source_; | 79 scoped_refptr<TimeSource> time_source_; |
| 79 scoped_ptr<FrameRateControllerTimeSourceAdapter> time_source_client_adapter_; | 80 scoped_ptr<FrameRateControllerTimeSourceAdapter> time_source_client_adapter_; |
| 80 bool active_; | 81 bool active_; |
| 81 bool swap_buffers_complete_supported_; | 82 bool swap_buffers_complete_supported_; |
| 82 | 83 |
| 83 // Members for unthrottled frame-rate. | 84 // Members for unthrottled frame-rate. |
| 84 bool is_time_source_throttling_; | 85 bool is_time_source_throttling_; |
| 85 base::WeakPtrFactory<FrameRateController> weak_factory_; | 86 base::WeakPtrFactory<FrameRateController> weak_factory_; |
| 86 Thread* thread_; | 87 Thread* thread_; |
| 87 | 88 |
| 88 DISALLOW_COPY_AND_ASSIGN(FrameRateController); | 89 DISALLOW_COPY_AND_ASSIGN(FrameRateController); |
| 89 }; | 90 }; |
| 90 | 91 |
| 91 } // namespace cc | 92 } // namespace cc |
| 92 | 93 |
| 93 #endif // CC_SCHEDULER_FRAME_RATE_CONTROLLER_H_ | 94 #endif // CC_SCHEDULER_FRAME_RATE_CONTROLLER_H_ |
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