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Side by Side Diff: cc/rate_limiter.h

Issue 11232051: Remove static thread pointers from CC (Closed) Base URL: http://git.chromium.org/chromium/src.git@master
Patch Set: Rebase to 165064 Created 8 years, 1 month 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 RateLimiter_h 5 #ifndef RateLimiter_h
6 #define RateLimiter_h 6 #define RateLimiter_h
7 7
8 #include "base/memory/ref_counted.h" 8 #include "base/memory/ref_counted.h"
9 #include "cc/proxy.h"
9 10
10 namespace WebKit { 11 namespace WebKit {
11 class WebGraphicsContext3D; 12 class WebGraphicsContext3D;
12 } 13 }
13 14
14 namespace cc { 15 namespace cc {
15 16
16 class RateLimiterClient { 17 class RateLimiterClient {
17 public: 18 public:
18 virtual void rateLimit() = 0; 19 virtual void rateLimit() = 0;
19 }; 20 };
20 21
21 // A RateLimiter can be used to make sure that a single context does not dominat e all execution time. 22 // A RateLimiter can be used to make sure that a single context does not dominat e all execution time.
22 // To use, construct a RateLimiter class around the context and call start() whe never calls are made on the 23 // To use, construct a RateLimiter class around the context and call start() whe never calls are made on the
23 // context outside of normal flow control. RateLimiter will block if the context is too far ahead of the 24 // context outside of normal flow control. RateLimiter will block if the context is too far ahead of the
24 // compositor. 25 // compositor.
25 class RateLimiter : public base::RefCounted<RateLimiter> { 26 class RateLimiter : public base::RefCounted<RateLimiter> {
26 public: 27 public:
27 static scoped_refptr<RateLimiter> create(WebKit::WebGraphicsContext3D*, Rate LimiterClient*); 28 static scoped_refptr<RateLimiter> create(WebKit::WebGraphicsContext3D*, Rate LimiterClient*, Proxy*);
28 29
29 void start(); 30 void start();
30 31
31 // Context and client will not be accessed after stop(). 32 // Context and client will not be accessed after stop().
32 void stop(); 33 void stop();
33 34
34 private: 35 private:
35 RateLimiter(WebKit::WebGraphicsContext3D*, RateLimiterClient*); 36 RateLimiter(WebKit::WebGraphicsContext3D*, RateLimiterClient*, Proxy*);
36 ~RateLimiter(); 37 ~RateLimiter();
37 friend class base::RefCounted<RateLimiter>; 38 friend class base::RefCounted<RateLimiter>;
38 39
39 class Task; 40 class Task;
40 friend class Task; 41 friend class Task;
41 void rateLimitContext(); 42 void rateLimitContext();
42 43
43 WebKit::WebGraphicsContext3D* m_context; 44 WebKit::WebGraphicsContext3D* m_context;
44 bool m_active; 45 bool m_active;
45 RateLimiterClient *m_client; 46 RateLimiterClient *m_client;
47 Proxy* m_proxy;
46 }; 48 };
47 49
48 } 50 }
49 #endif 51 #endif
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