/* -*- 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_GPUVIDEOTEXTUREHOST_H

#define MOZILLA_GFX_GPUVIDEOTEXTUREHOST_H

#include "mozilla/layers/TextureHost.h"

namespace mozilla {

namespace layers {

class GPUVideoTextureHost : public TextureHost

{

public:

  static GPUVideoTextureHost* CreateFromDescriptor(

    TextureFlags aFlags,

    const SurfaceDescriptorGPUVideo& aDescriptor);

  virtual ~GPUVideoTextureHost();

  virtual void DeallocateDeviceData() override {}

  virtual void SetTextureSourceProvider(TextureSourceProvider* aProvider) override;

  virtual bool Lock() override;

  virtual void Unlock() override;

  virtual gfx::SurfaceFormat GetFormat() const override;

  virtual bool BindTextureSource(CompositableTextureSourceRef& aTexture) override;

  virtual bool AcquireTextureSource(CompositableTextureSourceRef& aTexture) override;

  virtual already_AddRefed<gfx::DataSourceSurface> GetAsSurface() override

  {

    return nullptr; // XXX - implement this (for MOZ_DUMP_PAINTING)

  }

  virtual YUVColorSpace GetYUVColorSpace() const override;

  virtual gfx::IntSize GetSize() const override;

#ifdef MOZ_LAYERS_HAVE_LOG

  virtual const char* Name() override { return "GPUVideoTextureHost"; }

#endif

  virtual bool HasIntermediateBuffer() const override;

  virtual void CreateRenderTexture(const wr::ExternalImageId& aExternalImageId) override;

  virtual uint32_t NumSubTextures() const override;

  virtual void PushResourceUpdates(wr::TransactionBuilder& aResources,

                                   ResourceUpdateOp aOp,

                                   const Range<wr::ImageKey>& aImageKeys,

                                   const wr::ExternalImageId& aExtID) override;

  virtual void PushDisplayItems(wr::DisplayListBuilder& aBuilder,

                                const wr::LayoutRect& aBounds,

                                const wr::LayoutRect& aClip,

                                wr::ImageRendering aFilter,

                                const Range<wr::ImageKey>& aImageKeys) override;

  virtual bool SupportsWrNativeTexture() override;

protected:

  GPUVideoTextureHost(TextureFlags aFlags, TextureHost* aWrappedTextureHost);

  RefPtr<TextureHost> mWrappedTextureHost;

};

} // namespace layers

} // namespace mozilla

#endif // MOZILLA_GFX_GPUVIDEOTEXTUREHOST_H