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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 CCTextureUpdateController_h | 5 // Temporary forwarding header |
6 #define CCTextureUpdateController_h | 6 #include "cc/texture_update_controller.h" |
7 | |
8 #include "base/basictypes.h" | |
9 #include "base/time.h" | |
10 #include "CCTextureUpdateQueue.h" | |
11 #include "CCTimer.h" | |
12 #include <wtf/OwnPtr.h> | |
13 | |
14 namespace cc { | |
15 | |
16 class TextureUploader; | |
17 | |
18 class CCTextureUpdateControllerClient { | |
19 public: | |
20 virtual void readyToFinalizeTextureUpdates() = 0; | |
21 | |
22 protected: | |
23 virtual ~CCTextureUpdateControllerClient() { } | |
24 }; | |
25 | |
26 class CCTextureUpdateController : public CCTimerClient { | |
27 public: | |
28 static PassOwnPtr<CCTextureUpdateController> create(CCTextureUpdateControlle
rClient* client, CCThread* thread, PassOwnPtr<CCTextureUpdateQueue> queue, CCRes
ourceProvider* resourceProvider, TextureUploader* uploader) | |
29 { | |
30 return adoptPtr(new CCTextureUpdateController(client, thread, queue, res
ourceProvider, uploader)); | |
31 } | |
32 static size_t maxPartialTextureUpdates(); | |
33 | |
34 virtual ~CCTextureUpdateController(); | |
35 | |
36 // Discard uploads to textures that were evicted on the impl thread. | |
37 void discardUploadsToEvictedResources(); | |
38 | |
39 void performMoreUpdates(base::TimeTicks timeLimit); | |
40 void finalize(); | |
41 | |
42 // CCTimerClient implementation. | |
43 virtual void onTimerFired() OVERRIDE; | |
44 | |
45 // Virtual for testing. | |
46 virtual base::TimeTicks now() const; | |
47 virtual base::TimeDelta updateMoreTexturesTime() const; | |
48 virtual size_t updateMoreTexturesSize() const; | |
49 | |
50 protected: | |
51 CCTextureUpdateController(CCTextureUpdateControllerClient*, CCThread*, PassO
wnPtr<CCTextureUpdateQueue>, CCResourceProvider*, TextureUploader*); | |
52 | |
53 static size_t maxFullUpdatesPerTick(TextureUploader*); | |
54 | |
55 size_t maxBlockingUpdates() const; | |
56 | |
57 // This returns true when there were textures left to update. | |
58 bool updateMoreTexturesIfEnoughTimeRemaining(); | |
59 void updateMoreTexturesNow(); | |
60 | |
61 CCTextureUpdateControllerClient* m_client; | |
62 OwnPtr<CCTimer> m_timer; | |
63 OwnPtr<CCTextureUpdateQueue> m_queue; | |
64 bool m_contentsTexturesPurged; | |
65 CCResourceProvider* m_resourceProvider; | |
66 TextureUploader* m_uploader; | |
67 base::TimeTicks m_timeLimit; | |
68 size_t m_textureUpdatesPerTick; | |
69 bool m_firstUpdateAttempt; | |
70 | |
71 private: | |
72 DISALLOW_COPY_AND_ASSIGN(CCTextureUpdateController); | |
73 }; | |
74 | |
75 } | |
76 | |
77 #endif // CCTextureUpdateController_h | |
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