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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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