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// 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_IMPL_H_
#define CC_LAYERS_IO_SURFACE_LAYER_IMPL_H_

#include <string>

#include "cc/base/cc_export.h"
#include "cc/layers/layer_impl.h"
#include "ui/gfx/geometry/size.h"

namespace cc {

class CC_EXPORT IOSurfaceLayerImpl : public LayerImpl {
 public:
  static scoped_ptr<IOSurfaceLayerImpl> Create(LayerTreeImpl* tree_impl,
                                               int id) {
    return make_scoped_ptr(new IOSurfaceLayerImpl(tree_impl, id));
  }
  ~IOSurfaceLayerImpl() override;

  void SetIOSurfaceProperties(unsigned io_surface_id, const gfx::Size& size);

  scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl) override;
  void PushPropertiesTo(LayerImpl* layer_tree_impl) override;

  void AppendQuads(RenderPass* render_pass,
                   AppendQuadsData* append_quads_data) override;

  bool WillDraw(DrawMode draw_mode,
                ResourceProvider* resource_provider) override;
  void ReleaseResources() override;

 private:
  IOSurfaceLayerImpl(LayerTreeImpl* tree_impl, int id);

  void DestroyResource();

  const char* LayerTypeAsString() const override;

  unsigned io_surface_id_;
  gfx::Size io_surface_size_;
  bool io_surface_changed_;
  unsigned io_surface_resource_id_;

  DISALLOW_COPY_AND_ASSIGN(IOSurfaceLayerImpl);
};

}  // namespace cc

#endif  // CC_LAYERS_IO_SURFACE_LAYER_IMPL_H_