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Side by Side Diff: cc/resource_update_controller.h

Issue 12212007: cc: Route offscreen context creation for compositor to the browser. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Fix typo Created 7 years, 10 months ago
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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_RESOURCE_UPDATE_CONTROLLER_H_ 5 #ifndef CC_RESOURCE_UPDATE_CONTROLLER_H_
6 #define CC_RESOURCE_UPDATE_CONTROLLER_H_ 6 #define CC_RESOURCE_UPDATE_CONTROLLER_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/memory/weak_ptr.h" 10 #include "base/memory/weak_ptr.h"
11 #include "base/time.h" 11 #include "base/time.h"
12 #include "cc/cc_export.h" 12 #include "cc/cc_export.h"
13 #include "cc/resource_update_queue.h" 13 #include "cc/resource_update_queue.h"
14 14
15 namespace cc { 15 namespace cc {
16 16
17 class ResourceProvider; 17 class ResourceProvider;
18 class Thread; 18 class Thread;
19 19
20 class ResourceUpdateControllerClient { 20 class ResourceUpdateControllerClient {
21 public: 21 public:
22 virtual void readyToFinalizeTextureUpdates() = 0; 22 virtual void readyToFinalizeTextureUpdates() = 0;
23 23
24 protected: 24 protected:
25 virtual ~ResourceUpdateControllerClient() { } 25 virtual ~ResourceUpdateControllerClient() { }
26 }; 26 };
27 27
28 class CC_EXPORT ResourceUpdateController { 28 class CC_EXPORT ResourceUpdateController {
29 public: 29 public:
30 static scoped_ptr<ResourceUpdateController> create(ResourceUpdateControllerC lient* client, Thread* thread, scoped_ptr<ResourceUpdateQueue> queue, ResourcePr ovider* resourceProvider, bool hasImplThread) 30 static scoped_ptr<ResourceUpdateController> create(ResourceUpdateControllerC lient* client, Thread* thread, scoped_ptr<ResourceUpdateQueue> queue, ResourcePr ovider* resourceProvider)
31 { 31 {
32 return make_scoped_ptr(new ResourceUpdateController(client, thread, queu e.Pass(), resourceProvider, hasImplThread)); 32 return make_scoped_ptr(new ResourceUpdateController(client, thread, queu e.Pass(), resourceProvider));
33 } 33 }
34 static size_t maxPartialTextureUpdates(); 34 static size_t maxPartialTextureUpdates();
35 35
36 virtual ~ResourceUpdateController(); 36 virtual ~ResourceUpdateController();
37 37
38 // Discard uploads to textures that were evicted on the impl thread. 38 // Discard uploads to textures that were evicted on the impl thread.
39 void discardUploadsToEvictedResources(); 39 void discardUploadsToEvictedResources();
40 40
41 void performMoreUpdates(base::TimeTicks timeLimit); 41 void performMoreUpdates(base::TimeTicks timeLimit);
42 void finalize(); 42 void finalize();
43 43
44 44
45 // Virtual for testing. 45 // Virtual for testing.
46 virtual base::TimeTicks now() const; 46 virtual base::TimeTicks now() const;
47 virtual base::TimeDelta updateMoreTexturesTime() const; 47 virtual base::TimeDelta updateMoreTexturesTime() const;
48 virtual size_t updateMoreTexturesSize() const; 48 virtual size_t updateMoreTexturesSize() const;
49 49
50 protected: 50 protected:
51 ResourceUpdateController(ResourceUpdateControllerClient*, Thread*, scoped_pt r<ResourceUpdateQueue>, ResourceProvider*, bool hasImplThread); 51 ResourceUpdateController(ResourceUpdateControllerClient*, Thread*, scoped_pt r<ResourceUpdateQueue>, ResourceProvider*);
52 52
53 private: 53 private:
54 static size_t maxFullUpdatesPerTick(ResourceProvider*); 54 static size_t maxFullUpdatesPerTick(ResourceProvider*);
55 55
56 size_t maxBlockingUpdates() const; 56 size_t maxBlockingUpdates() const;
57 base::TimeDelta pendingUpdateTime() const; 57 base::TimeDelta pendingUpdateTime() const;
58 58
59 void updateTexture(ResourceUpdate); 59 void updateTexture(ResourceUpdate);
60 60
61 // This returns true when there were textures left to update. 61 // This returns true when there were textures left to update.
62 bool updateMoreTexturesIfEnoughTimeRemaining(); 62 bool updateMoreTexturesIfEnoughTimeRemaining();
63 void updateMoreTexturesNow(); 63 void updateMoreTexturesNow();
64 void onTimerFired(); 64 void onTimerFired();
65 65
66 ResourceUpdateControllerClient* m_client; 66 ResourceUpdateControllerClient* m_client;
67 bool m_hasImplThread;
68 scoped_ptr<ResourceUpdateQueue> m_queue; 67 scoped_ptr<ResourceUpdateQueue> m_queue;
69 bool m_contentsTexturesPurged; 68 bool m_contentsTexturesPurged;
70 ResourceProvider* m_resourceProvider; 69 ResourceProvider* m_resourceProvider;
71 base::TimeTicks m_timeLimit; 70 base::TimeTicks m_timeLimit;
72 size_t m_textureUpdatesPerTick; 71 size_t m_textureUpdatesPerTick;
73 bool m_firstUpdateAttempt; 72 bool m_firstUpdateAttempt;
74 Thread* m_thread; 73 Thread* m_thread;
75 base::WeakPtrFactory<ResourceUpdateController> m_weakFactory; 74 base::WeakPtrFactory<ResourceUpdateController> m_weakFactory;
76 bool m_taskPosted; 75 bool m_taskPosted;
77 76
78 DISALLOW_COPY_AND_ASSIGN(ResourceUpdateController); 77 DISALLOW_COPY_AND_ASSIGN(ResourceUpdateController);
79 }; 78 };
80 79
81 } // namespace cc 80 } // namespace cc
82 81
83 #endif // CC_RESOURCE_UPDATE_CONTROLLER_H_ 82 #endif // CC_RESOURCE_UPDATE_CONTROLLER_H_
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