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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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