/* -*- 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 MOZILLA_GFX_TEXTURECLIENT_SHAREDSURFACE_H

#define MOZILLA_GFX_TEXTURECLIENT_SHAREDSURFACE_H

#include <cstddef>                      // for size_t

#include <stdint.h>                     // for uint32_t, uint8_t, uint64_t

#include "GLContextTypes.h"             // for GLContext (ptr only), etc

#include "TextureClient.h"

#include "mozilla/Assertions.h"         // for MOZ_ASSERT, etc

#include "mozilla/RefPtr.h"             // for RefPtr, RefCounted

#include "mozilla/gfx/Point.h"          // for IntSize

#include "mozilla/gfx/Types.h"          // for SurfaceFormat

#include "mozilla/layers/CompositorTypes.h"  // for TextureFlags, etc

#include "mozilla/layers/LayersSurfaces.h"  // for SurfaceDescriptor

namespace mozilla {

namespace gl {

class GLContext;

class SharedSurface;

class SurfaceFactory;

} // namespace gl

namespace layers {

class SharedSurfaceTextureClient;

class SharedSurfaceTextureData : public TextureData

{

protected:

  const UniquePtr<gl::SharedSurface> mSurf;

  friend class SharedSurfaceTextureClient;

  explicit SharedSurfaceTextureData(UniquePtr<gl::SharedSurface> surf);

public:

  ~SharedSurfaceTextureData();

  virtual bool Lock(OpenMode) override { return false; }

  virtual void Unlock() override {}

  virtual void FillInfo(TextureData::Info& aInfo) const override;

  virtual bool Serialize(SurfaceDescriptor& aOutDescriptor) override;

  virtual void Deallocate(LayersIPCChannel*) override;

  gl::SharedSurface* Surf() const { return mSurf.get(); }

};

class SharedSurfaceTextureClient : public TextureClient

{

public:

  SharedSurfaceTextureClient(SharedSurfaceTextureData* aData,

                             TextureFlags aFlags,

                             LayersIPCChannel* aAllocator);

  ~SharedSurfaceTextureClient();

  static already_AddRefed<SharedSurfaceTextureClient>

  Create(UniquePtr<gl::SharedSurface> surf, gl::SurfaceFactory* factory,

         LayersIPCChannel* aAllocator, TextureFlags aFlags);

  gl::SharedSurface* Surf() const {

    return static_cast<const SharedSurfaceTextureData*>(GetInternalData())->Surf();

  }

};

} // namespace layers

} // namespace mozilla

#endif // MOZILLA_GFX_TEXTURECLIENT_SHAREDSURFACE_H