|  | // Copyright 2012 The Chromium Authors. All rights reserved. | 
|  | // Use of this source code is governed by a BSD-style license that can be | 
|  | // found in the LICENSE file. | 
|  |  | 
|  | #ifndef CC_LAYERS_IO_SURFACE_LAYER_H_ | 
|  | #define CC_LAYERS_IO_SURFACE_LAYER_H_ | 
|  |  | 
|  | #include "cc/base/cc_export.h" | 
|  | #include "cc/layers/layer.h" | 
|  |  | 
|  | namespace cc { | 
|  |  | 
|  | class CC_EXPORT IOSurfaceLayer : public Layer { | 
|  | public: | 
|  | static scoped_refptr<IOSurfaceLayer> Create(); | 
|  |  | 
|  | void SetIOSurfaceProperties(uint32_t io_surface_id, const gfx::Size& size); | 
|  |  | 
|  | scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl) override; | 
|  | void PushPropertiesTo(LayerImpl* layer) override; | 
|  | bool Update(ResourceUpdateQueue* queue, | 
|  | const OcclusionTracker<Layer>* occlusion) override; | 
|  |  | 
|  | protected: | 
|  | bool HasDrawableContent() const override; | 
|  | IOSurfaceLayer(); | 
|  |  | 
|  | private: | 
|  | ~IOSurfaceLayer() override; | 
|  |  | 
|  | uint32_t io_surface_id_; | 
|  | gfx::Size io_surface_size_; | 
|  |  | 
|  | DISALLOW_COPY_AND_ASSIGN(IOSurfaceLayer); | 
|  | }; | 
|  |  | 
|  | }  // namespace cc | 
|  | #endif  // CC_LAYERS_IO_SURFACE_LAYER_H_ |