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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_H_ | |
6 #define CC_SURFACES_SURFACE_H_ | |
7 | |
8 #include <map> | |
9 #include <vector> | |
10 | |
11 #include "base/callback.h" | |
12 #include "base/containers/hash_tables.h" | |
13 #include "base/macros.h" | |
14 #include "base/memory/scoped_ptr.h" | |
15 #include "base/memory/weak_ptr.h" | |
16 #include "cc/base/scoped_ptr_vector.h" | |
17 #include "cc/output/copy_output_request.h" | |
18 #include "cc/quads/render_pass_id.h" | |
19 #include "cc/surfaces/surface_factory.h" | |
20 #include "cc/surfaces/surface_id.h" | |
21 #include "cc/surfaces/surface_sequence.h" | |
22 #include "cc/surfaces/surfaces_export.h" | |
23 #include "ui/gfx/geometry/size.h" | |
24 | |
25 namespace ui { | |
26 struct LatencyInfo; | |
27 } | |
28 | |
29 namespace cc { | |
30 class CompositorFrame; | |
31 class CopyOutputRequest; | |
32 class SurfaceManager; | |
33 class SurfaceFactory; | |
34 class SurfaceResourceHolder; | |
35 | |
36 class CC_SURFACES_EXPORT Surface { | |
37 public: | |
38 using DrawCallback = SurfaceFactory::DrawCallback; | |
39 | |
40 Surface(SurfaceId id, SurfaceFactory* factory); | |
41 ~Surface(); | |
42 | |
43 SurfaceId surface_id() const { return surface_id_; } | |
44 | |
45 void QueueFrame(scoped_ptr<CompositorFrame> frame, | |
46 const DrawCallback& draw_callback); | |
47 void RequestCopyOfOutput(scoped_ptr<CopyOutputRequest> copy_request); | |
48 // Adds each CopyOutputRequest in the current frame to copy_requests. The | |
49 // caller takes ownership of them. | |
50 void TakeCopyOutputRequests( | |
51 std::multimap<RenderPassId, CopyOutputRequest*>* copy_requests); | |
52 // Returns the most recent frame that is eligible to be rendered. | |
53 const CompositorFrame* GetEligibleFrame(); | |
54 | |
55 // Returns a number that increments by 1 every time a new frame is enqueued. | |
56 int frame_index() const { return frame_index_; } | |
57 | |
58 void TakeLatencyInfo(std::vector<ui::LatencyInfo>* latency_info); | |
59 void RunDrawCallbacks(SurfaceDrawStatus drawn); | |
60 | |
61 base::WeakPtr<SurfaceFactory> factory() { return factory_; } | |
62 | |
63 // Add a SurfaceSequence that must be satisfied before the Surface is | |
64 // destroyed. | |
65 void AddDestructionDependency(SurfaceSequence sequence); | |
66 | |
67 // Satisfy all destruction dependencies that are contained in sequences, and | |
68 // remove them from sequences. | |
69 void SatisfyDestructionDependencies( | |
70 base::hash_set<SurfaceSequence>* sequences); | |
71 size_t GetDestructionDependencyCount() const { | |
72 return destruction_dependencies_.size(); | |
73 } | |
74 | |
75 private: | |
76 void ClearCopyRequests(); | |
77 | |
78 SurfaceId surface_id_; | |
79 base::WeakPtr<SurfaceFactory> factory_; | |
80 // TODO(jamesr): Support multiple frames in flight. | |
81 scoped_ptr<CompositorFrame> current_frame_; | |
82 int frame_index_; | |
83 std::vector<SurfaceSequence> destruction_dependencies_; | |
84 | |
85 DrawCallback draw_callback_; | |
86 | |
87 DISALLOW_COPY_AND_ASSIGN(Surface); | |
88 }; | |
89 | |
90 } // namespace cc | |
91 | |
92 #endif // CC_SURFACES_SURFACE_H_ | |
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