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Side by Side Diff: cc/texture_update_controller.h

Issue 11270047: cc: Rename TextureUpdate to ResourceUpdate. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Sort includes and forward declarations. Created 8 years, 1 month ago
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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
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