SharedRGBImage.h - mozsearch

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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 SHAREDRGBIMAGE_H_

#define SHAREDRGBIMAGE_H_

#include <stddef.h>  // for size_t

#include <stdint.h>  // for uint8_t

#include "ImageContainer.h"  // for ISharedImage, Image, etc

#include "gfxTypes.h"

#include "mozilla/Attributes.h"  // for override

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

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

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

#include "nsCOMPtr.h"            // for already_AddRefed

namespace mozilla {

namespace layers {

class ImageClient;

class TextureClient;

/**

 * Stores RGB data in shared memory

 * It is assumed that the image width and stride are equal

*/

class SharedRGBImage : public Image {

 public:

  explicit SharedRGBImage(ImageClient* aCompositable);

  explicit SharedRGBImage(TextureClientRecycleAllocator* aRecycleAllocator);

 protected:

  virtual ~SharedRGBImage();

 public:

  TextureClient* GetTextureClient(KnowsCompositor* aKnowsCompositor) override;

  gfx::IntSize GetSize() const override;

  already_AddRefed<gfx::SourceSurface> GetAsSourceSurface() override;

  bool Allocate(gfx::IntSize aSize, gfx::SurfaceFormat aFormat);

 private:

  TextureClientRecycleAllocator* RecycleAllocator();

  gfx::IntSize mSize;

  RefPtr<TextureClient> mTextureClient;

  RefPtr<ImageClient> mCompositable;

  RefPtr<TextureClientRecycleAllocator> mRecycleAllocator;

  RefPtr<gfx::SourceSurface> mSourceSurface;

};

}  // namespace layers

}  // namespace mozilla

#endif