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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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