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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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