/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* vim: set ts=8 sts=2 et sw=2 tw=80: */

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef GFX_SHAREABLECANVASRENDERER_H

#define GFX_SHAREABLECANVASRENDERER_H

#include "CompositorTypes.h"

#include "CopyableCanvasRenderer.h"

#include "mozilla/layers/CanvasClient.h"

namespace mozilla {

namespace gl {

class SurfaceFactory;

} // namespace gl

namespace gfx {

class DrawTarget;

} // namespace gfx

namespace layers {

class ShareableCanvasRenderer : public CopyableCanvasRenderer

{

  typedef CanvasClient::CanvasClientType CanvasClientType;

public:

  ShareableCanvasRenderer();

  virtual ~ShareableCanvasRenderer();

public:

  void Initialize(const CanvasInitializeData& aData) override;

  virtual CompositableForwarder* GetForwarder() = 0;

  virtual bool CreateCompositable() = 0;

  void ClearCachedResources() override;

  void Destroy() override;

  void UpdateCompositableClient();

  const TextureFlags& Flags() const { return mFlags; }

  CanvasClient* GetCanvasClient() { return mCanvasClient; }

protected:

  bool UpdateTarget(gfx::DrawTarget* aDestTarget);

  CanvasClientType GetCanvasClientType();

  RefPtr<CanvasClient> mCanvasClient;

  UniquePtr<gl::SurfaceFactory> mFactory;

  TextureFlags mFlags;

  friend class CanvasClient2D;

  friend class CanvasClientSharedSurface;

};

} // namespace layers

} // namespace mozilla

#endif