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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 | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef CC_SURFACES_SURFACE_FACTORY_H_ | |
6 #define CC_SURFACES_SURFACE_FACTORY_H_ | |
7 | |
8 #include <set> | |
9 | |
10 #include "base/callback_forward.h" | |
11 #include "base/containers/scoped_ptr_hash_map.h" | |
12 #include "base/memory/scoped_ptr.h" | |
13 #include "base/memory/weak_ptr.h" | |
14 #include "cc/surfaces/surface_id.h" | |
15 #include "cc/surfaces/surface_resource_holder.h" | |
16 #include "cc/surfaces/surface_sequence.h" | |
17 #include "cc/surfaces/surfaces_export.h" | |
18 | |
19 namespace gfx { | |
20 class Size; | |
21 } | |
22 | |
23 namespace cc { | |
24 class CompositorFrame; | |
25 class CopyOutputRequest; | |
26 class Surface; | |
27 class SurfaceFactoryClient; | |
28 class SurfaceManager; | |
29 | |
30 enum class SurfaceDrawStatus { DRAW_SKIPPED, DRAWN }; | |
31 | |
32 // A SurfaceFactory is used to create surfaces that may share resources and | |
33 // receive returned resources for frames submitted to those surfaces. Resources | |
34 // submitted to frames created by a particular factory will be returned to that | |
35 // factory's client when they are no longer being used. This is the only class | |
36 // most users of surfaces will need to directly interact with. | |
37 class CC_SURFACES_EXPORT SurfaceFactory | |
38 : public base::SupportsWeakPtr<SurfaceFactory> { | |
39 public: | |
40 using DrawCallback = base::Callback<void(SurfaceDrawStatus)>; | |
41 | |
42 SurfaceFactory(SurfaceManager* manager, SurfaceFactoryClient* client); | |
43 ~SurfaceFactory(); | |
44 | |
45 void Create(SurfaceId surface_id); | |
46 void Destroy(SurfaceId surface_id); | |
47 void DestroyAll(); | |
48 // A frame can only be submitted to a surface created by this factory, | |
49 // although the frame may reference surfaces created by other factories. | |
50 // The callback is called the first time this frame is used to draw, or if | |
51 // the frame is discarded. | |
52 void SubmitFrame(SurfaceId surface_id, | |
53 scoped_ptr<CompositorFrame> frame, | |
54 const DrawCallback& callback); | |
55 void RequestCopyOfSurface(SurfaceId surface_id, | |
56 scoped_ptr<CopyOutputRequest> copy_request); | |
57 | |
58 SurfaceFactoryClient* client() { return client_; } | |
59 | |
60 void ReceiveFromChild(const TransferableResourceArray& resources); | |
61 void RefResources(const TransferableResourceArray& resources); | |
62 void UnrefResources(const ReturnedResourceArray& resources); | |
63 | |
64 SurfaceManager* manager() { return manager_; } | |
65 | |
66 private: | |
67 SurfaceManager* manager_; | |
68 SurfaceFactoryClient* client_; | |
69 SurfaceResourceHolder holder_; | |
70 | |
71 typedef base::ScopedPtrHashMap<SurfaceId, scoped_ptr<Surface>> OwningSurfaceMa
p; | |
72 OwningSurfaceMap surface_map_; | |
73 | |
74 DISALLOW_COPY_AND_ASSIGN(SurfaceFactory); | |
75 }; | |
76 | |
77 } // namespace cc | |
78 | |
79 #endif // CC_SURFACES_SURFACE_FACTORY_H_ | |
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