/* -*- 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/. */

#include "GPUVideoTextureClient.h"

#include "mozilla/dom/VideoDecoderManagerChild.h"

#include "mozilla/gfx/2D.h"

namespace mozilla {

namespace layers {

using namespace gfx;

GPUVideoTextureData::GPUVideoTextureData(dom::VideoDecoderManagerChild* aManager,

                                         const SurfaceDescriptorGPUVideo& aSD,

                                         const gfx::IntSize& aSize)

  : mManager(aManager)

  , mSD(aSD)

  , mSize(aSize)

{}

GPUVideoTextureData::~GPUVideoTextureData()

{

}

bool

GPUVideoTextureData::Serialize(SurfaceDescriptor& aOutDescriptor)

{

  aOutDescriptor = mSD;

  return true;

}

void

GPUVideoTextureData::FillInfo(TextureData::Info& aInfo) const

{

  aInfo.size = mSize;

  // TODO: We should probably try do better for this.

  // layers::Image doesn't expose a format, so it's hard

  // to figure out in VideoDecoderParent.

  aInfo.format = SurfaceFormat::B8G8R8X8;

  aInfo.hasIntermediateBuffer = false;

  aInfo.hasSynchronization = false;

  aInfo.supportsMoz2D = false;

  aInfo.canExposeMappedData = false;

}

already_AddRefed<SourceSurface>

GPUVideoTextureData::GetAsSourceSurface()

{

  return mManager->Readback(mSD);

}

void

GPUVideoTextureData::Deallocate(LayersIPCChannel* aAllocator)

{

  mManager->DeallocateSurfaceDescriptorGPUVideo(mSD);

  mSD = SurfaceDescriptorGPUVideo();

}

void

GPUVideoTextureData::Forget(LayersIPCChannel* aAllocator)

{

  // We always need to manually deallocate on the client side.

  // Ideally we'd set up our TextureClient with the DEALLOCATE_CLIENT

  // flag, but that forces texture destruction to be synchronous.

  // Instead let's just deallocate from here as well.

  Deallocate(aAllocator);

}

} // namespace layers

} // namespace mozilla