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Side by Side Diff: cc/scheduler/frame_rate_controller.h

Issue 17362002: cc: Remove FakeThread, use SingleThreadTaskRunner in scheduling classes. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: rm-fakethread: Created 7 years, 6 months ago
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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"
11 #include "base/time.h" 11 #include "base/time.h"
12 #include "cc/base/cc_export.h" 12 #include "cc/base/cc_export.h"
13 13
14 namespace base { class SingleThreadTaskRunner; }
15
14 namespace cc { 16 namespace cc {
15 17
16 class Thread;
17 class TimeSource; 18 class TimeSource;
18 19
19 class CC_EXPORT FrameRateControllerClient { 20 class CC_EXPORT FrameRateControllerClient {
20 public: 21 public:
21 // Throttled is true when we have a maximum number of frames pending. 22 // Throttled is true when we have a maximum number of frames pending.
22 virtual void BeginFrame(bool throttled) = 0; 23 virtual void BeginFrame(bool throttled) = 0;
23 24
24 protected: 25 protected:
25 virtual ~FrameRateControllerClient() {} 26 virtual ~FrameRateControllerClient() {}
26 }; 27 };
27 28
28 class FrameRateControllerTimeSourceAdapter; 29 class FrameRateControllerTimeSourceAdapter;
29 30
30 class CC_EXPORT FrameRateController { 31 class CC_EXPORT FrameRateController {
31 public: 32 public:
32 enum { 33 enum {
33 DEFAULT_MAX_FRAMES_PENDING = 2 34 DEFAULT_MAX_FRAMES_PENDING = 2
34 }; 35 };
35 36
36 explicit FrameRateController(scoped_refptr<TimeSource> timer); 37 explicit FrameRateController(scoped_refptr<TimeSource> timer);
37 // Alternate form of FrameRateController with unthrottled frame-rate. 38 // Alternate form of FrameRateController with unthrottled frame-rate.
38 explicit FrameRateController(Thread* thread); 39 explicit FrameRateController(base::SingleThreadTaskRunner* task_runner);
39 virtual ~FrameRateController(); 40 virtual ~FrameRateController();
40 41
41 void SetClient(FrameRateControllerClient* client) { client_ = client; } 42 void SetClient(FrameRateControllerClient* client) { client_ = client; }
42 43
43 void SetActive(bool active); 44 void SetActive(bool active);
44 45
45 // Use the following methods to adjust target frame rate. 46 // Use the following methods to adjust target frame rate.
46 // 47 //
47 // Multiple frames can be in-progress, but for every DidSwapBuffers, a 48 // Multiple frames can be in-progress, but for every DidSwapBuffers, a
48 // DidFinishFrame should be posted. 49 // DidFinishFrame should be posted.
(...skipping 25 matching lines...) Expand all
74 FrameRateControllerClient* client_; 75 FrameRateControllerClient* client_;
75 int num_frames_pending_; 76 int num_frames_pending_;
76 int max_frames_pending_; 77 int max_frames_pending_;
77 scoped_refptr<TimeSource> time_source_; 78 scoped_refptr<TimeSource> time_source_;
78 scoped_ptr<FrameRateControllerTimeSourceAdapter> time_source_client_adapter_; 79 scoped_ptr<FrameRateControllerTimeSourceAdapter> time_source_client_adapter_;
79 bool active_; 80 bool active_;
80 81
81 // Members for unthrottled frame-rate. 82 // Members for unthrottled frame-rate.
82 bool is_time_source_throttling_; 83 bool is_time_source_throttling_;
83 base::WeakPtrFactory<FrameRateController> weak_factory_; 84 base::WeakPtrFactory<FrameRateController> weak_factory_;
84 Thread* thread_; 85 base::SingleThreadTaskRunner* task_runner_;
85 86
87 private:
86 DISALLOW_COPY_AND_ASSIGN(FrameRateController); 88 DISALLOW_COPY_AND_ASSIGN(FrameRateController);
87 }; 89 };
88 90
89 } // namespace cc 91 } // namespace cc
90 92
91 #endif // CC_SCHEDULER_FRAME_RATE_CONTROLLER_H_ 93 #endif // CC_SCHEDULER_FRAME_RATE_CONTROLLER_H_
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