| OLD | NEW |
| (Empty) |
| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef CCTextureUpdateController_h | |
| 6 #define CCTextureUpdateController_h | |
| 7 | |
| 8 #include "base/basictypes.h" | |
| 9 #include "base/memory/scoped_ptr.h" | |
| 10 #include "base/time.h" | |
| 11 #include "cc/texture_update_queue.h" | |
| 12 #include "cc/timer.h" | |
| 13 | |
| 14 namespace cc { | |
| 15 | |
| 16 class ResourceProvider; | |
| 17 | |
| 18 class TextureUpdateControllerClient { | |
| 19 public: | |
| 20 virtual void readyToFinalizeTextureUpdates() = 0; | |
| 21 | |
| 22 protected: | |
| 23 virtual ~TextureUpdateControllerClient() { } | |
| 24 }; | |
| 25 | |
| 26 class TextureUpdateController : public TimerClient { | |
| 27 public: | |
| 28 static scoped_ptr<TextureUpdateController> create(TextureUpdateControllerCli
ent* client, Thread* thread, scoped_ptr<TextureUpdateQueue> queue, ResourceProvi
der* resourceProvider) | |
| 29 { | |
| 30 return make_scoped_ptr(new TextureUpdateController(client, thread, queue
.Pass(), resourceProvider)); | |
| 31 } | |
| 32 static size_t maxPartialTextureUpdates(); | |
| 33 | |
| 34 virtual ~TextureUpdateController(); | |
| 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 // TimerClient 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 TextureUpdateController(TextureUpdateControllerClient*, Thread*, scoped_ptr<
TextureUpdateQueue>, ResourceProvider*); | |
| 52 | |
| 53 static size_t maxFullUpdatesPerTick(ResourceProvider*); | |
| 54 | |
| 55 size_t maxBlockingUpdates() const; | |
| 56 | |
| 57 void updateTexture(ResourceUpdate); | |
| 58 | |
| 59 // This returns true when there were textures left to update. | |
| 60 bool updateMoreTexturesIfEnoughTimeRemaining(); | |
| 61 void updateMoreTexturesNow(); | |
| 62 | |
| 63 TextureUpdateControllerClient* m_client; | |
| 64 scoped_ptr<Timer> m_timer; | |
| 65 scoped_ptr<TextureUpdateQueue> m_queue; | |
| 66 bool m_contentsTexturesPurged; | |
| 67 ResourceProvider* m_resourceProvider; | |
| 68 base::TimeTicks m_timeLimit; | |
| 69 size_t m_textureUpdatesPerTick; | |
| 70 bool m_firstUpdateAttempt; | |
| 71 | |
| 72 private: | |
| 73 DISALLOW_COPY_AND_ASSIGN(TextureUpdateController); | |
| 74 }; | |
| 75 | |
| 76 } // namespace cc | |
| 77 | |
| 78 #endif // CCTextureUpdateController_h | |
| OLD | NEW |