TextureClientSharedSurface.h

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/* -*- 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 {

  friend class SharedSurfaceTextureClient;

 public:

  const SurfaceDescriptor mDesc;

  const gfx::SurfaceFormat mFormat;

  const gfx::IntSize mSize;

  static already_AddRefed<TextureClient> CreateTextureClient(

      const layers::SurfaceDescriptor& aDesc, const gfx::SurfaceFormat aFormat,

      gfx::IntSize aSize, TextureFlags aFlags, LayersIPCChannel* aAllocator);

  SharedSurfaceTextureData(const SurfaceDescriptor&, gfx::SurfaceFormat,

                           gfx::IntSize);

  virtual ~SharedSurfaceTextureData();

  bool Lock(OpenMode) override { return false; }

  void Unlock() override {}

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

  bool Serialize(SurfaceDescriptor& aOutDescriptor) override;

  void Deallocate(LayersIPCChannel*) override;

  TextureFlags GetTextureFlags() const override;

  Maybe<uint64_t> GetBufferId() const override;

  mozilla::ipc::FileDescriptor GetAcquireFence() override;

};

}  // namespace layers

}  // namespace mozilla

#endif  // MOZILLA_GFX_TEXTURECLIENT_SHAREDSURFACE_H