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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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_SURFACES_SURFACE_FACTORY_H_ | 5 #ifndef CC_SURFACES_SURFACE_FACTORY_H_ |
6 #define CC_SURFACES_SURFACE_FACTORY_H_ | 6 #define CC_SURFACES_SURFACE_FACTORY_H_ |
7 | 7 |
8 #include <set> | 8 #include <set> |
9 | 9 |
10 #include "base/callback_forward.h" | 10 #include "base/callback_forward.h" |
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28 class SurfaceManager; | 28 class SurfaceManager; |
29 | 29 |
30 // A SurfaceFactory is used to create surfaces that may share resources and | 30 // A SurfaceFactory is used to create surfaces that may share resources and |
31 // receive returned resources for frames submitted to those surfaces. Resources | 31 // receive returned resources for frames submitted to those surfaces. Resources |
32 // submitted to frames created by a particular factory will be returned to that | 32 // submitted to frames created by a particular factory will be returned to that |
33 // factory's client when they are no longer being used. This is the only class | 33 // factory's client when they are no longer being used. This is the only class |
34 // most users of surfaces will need to directly interact with. | 34 // most users of surfaces will need to directly interact with. |
35 class CC_SURFACES_EXPORT SurfaceFactory | 35 class CC_SURFACES_EXPORT SurfaceFactory |
36 : public base::SupportsWeakPtr<SurfaceFactory> { | 36 : public base::SupportsWeakPtr<SurfaceFactory> { |
37 public: | 37 public: |
| 38 // This callback is called with true if the frame was drawn, or false if it |
| 39 // was discarded. |
| 40 using DrawCallback = base::Callback<void(bool)>; |
| 41 |
38 SurfaceFactory(SurfaceManager* manager, SurfaceFactoryClient* client); | 42 SurfaceFactory(SurfaceManager* manager, SurfaceFactoryClient* client); |
39 ~SurfaceFactory(); | 43 ~SurfaceFactory(); |
40 | 44 |
41 void Create(SurfaceId surface_id); | 45 void Create(SurfaceId surface_id); |
42 void Destroy(SurfaceId surface_id); | 46 void Destroy(SurfaceId surface_id); |
43 void DestroyAll(); | 47 void DestroyAll(); |
44 // A frame can only be submitted to a surface created by this factory, | 48 // A frame can only be submitted to a surface created by this factory, |
45 // although the frame may reference surfaces created by other factories. | 49 // although the frame may reference surfaces created by other factories. |
46 // The callback is called the first time this frame is used to draw. | 50 // The callback is called the first time this frame is used to draw, or if |
| 51 // the frame is discarded. |
47 void SubmitFrame(SurfaceId surface_id, | 52 void SubmitFrame(SurfaceId surface_id, |
48 scoped_ptr<CompositorFrame> frame, | 53 scoped_ptr<CompositorFrame> frame, |
49 const base::Closure& callback); | 54 const DrawCallback& callback); |
50 void RequestCopyOfSurface(SurfaceId surface_id, | 55 void RequestCopyOfSurface(SurfaceId surface_id, |
51 scoped_ptr<CopyOutputRequest> copy_request); | 56 scoped_ptr<CopyOutputRequest> copy_request); |
52 | 57 |
53 SurfaceFactoryClient* client() { return client_; } | 58 SurfaceFactoryClient* client() { return client_; } |
54 | 59 |
55 void ReceiveFromChild(const TransferableResourceArray& resources); | 60 void ReceiveFromChild(const TransferableResourceArray& resources); |
56 void RefResources(const TransferableResourceArray& resources); | 61 void RefResources(const TransferableResourceArray& resources); |
57 void UnrefResources(const ReturnedResourceArray& resources); | 62 void UnrefResources(const ReturnedResourceArray& resources); |
58 | 63 |
59 SurfaceManager* manager() { return manager_; } | 64 SurfaceManager* manager() { return manager_; } |
60 | 65 |
61 private: | 66 private: |
62 SurfaceManager* manager_; | 67 SurfaceManager* manager_; |
63 SurfaceFactoryClient* client_; | 68 SurfaceFactoryClient* client_; |
64 SurfaceResourceHolder holder_; | 69 SurfaceResourceHolder holder_; |
65 | 70 |
66 typedef base::ScopedPtrHashMap<SurfaceId, Surface> OwningSurfaceMap; | 71 typedef base::ScopedPtrHashMap<SurfaceId, Surface> OwningSurfaceMap; |
67 base::ScopedPtrHashMap<SurfaceId, Surface> surface_map_; | 72 base::ScopedPtrHashMap<SurfaceId, Surface> surface_map_; |
68 | 73 |
69 DISALLOW_COPY_AND_ASSIGN(SurfaceFactory); | 74 DISALLOW_COPY_AND_ASSIGN(SurfaceFactory); |
70 }; | 75 }; |
71 | 76 |
72 } // namespace cc | 77 } // namespace cc |
73 | 78 |
74 #endif // CC_SURFACES_SURFACE_FACTORY_H_ | 79 #endif // CC_SURFACES_SURFACE_FACTORY_H_ |
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