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      1 // Copyright 2012 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_LAYERS_IO_SURFACE_LAYER_IMPL_H_
      6 #define CC_LAYERS_IO_SURFACE_LAYER_IMPL_H_
      7 
      8 #include <string>
      9 
     10 #include "cc/base/cc_export.h"
     11 #include "cc/layers/layer_impl.h"
     12 #include "ui/gfx/size.h"
     13 
     14 namespace cc {
     15 
     16 class CC_EXPORT IOSurfaceLayerImpl : public LayerImpl {
     17  public:
     18   static scoped_ptr<IOSurfaceLayerImpl> Create(LayerTreeImpl* tree_impl,
     19                                                int id) {
     20     return make_scoped_ptr(new IOSurfaceLayerImpl(tree_impl, id));
     21   }
     22   virtual ~IOSurfaceLayerImpl();
     23 
     24   void SetIOSurfaceProperties(unsigned io_surface_id, const gfx::Size& size);
     25 
     26   virtual scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl)
     27       OVERRIDE;
     28   virtual void PushPropertiesTo(LayerImpl* layer_tree_impl) OVERRIDE;
     29 
     30   virtual void AppendQuads(QuadSink* quad_sink,
     31                            AppendQuadsData* append_quads_data) OVERRIDE;
     32 
     33   virtual bool WillDraw(DrawMode draw_mode,
     34                         ResourceProvider* resource_provider) OVERRIDE;
     35   virtual void ReleaseResources() OVERRIDE;
     36 
     37  private:
     38   IOSurfaceLayerImpl(LayerTreeImpl* tree_impl, int id);
     39 
     40   void DestroyResource();
     41 
     42   virtual const char* LayerTypeAsString() const OVERRIDE;
     43 
     44   unsigned io_surface_id_;
     45   gfx::Size io_surface_size_;
     46   bool io_surface_changed_;
     47   unsigned io_surface_resource_id_;
     48 
     49   DISALLOW_COPY_AND_ASSIGN(IOSurfaceLayerImpl);
     50 };
     51 
     52 }  // namespace cc
     53 
     54 #endif  // CC_LAYERS_IO_SURFACE_LAYER_IMPL_H_
     55