/* -*- 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 "RenderTextureHostWrapper.h"

#include "mozilla/gfx/Logging.h"

#include "mozilla/layers/ImageDataSerializer.h"

#include "mozilla/layers/SourceSurfaceSharedData.h"

#include "mozilla/webrender/RenderThread.h"

namespace mozilla {

namespace wr {

RenderTextureHostWrapper::RenderTextureHostWrapper()

  : mInited(false)

  , mLocked(false)

{

  MOZ_COUNT_CTOR_INHERITED(RenderTextureHostWrapper, RenderTextureHost);

}

RenderTextureHostWrapper::~RenderTextureHostWrapper()

{

  MOZ_COUNT_DTOR_INHERITED(RenderTextureHostWrapper, RenderTextureHost);

}

wr::WrExternalImage

RenderTextureHostWrapper::Lock(uint8_t aChannelIndex,

                               gl::GLContext* aGL,

                               wr::ImageRendering aRendering)

{

  if (!mTextureHost) {

    MOZ_ASSERT_UNREACHABLE("unexpected to happen");

    return InvalidToWrExternalImage();

  }

  mLocked = true;

  return mTextureHost->Lock(aChannelIndex, aGL, aRendering);

}

void

RenderTextureHostWrapper::Unlock()

{

  if (mTextureHost) {

    mTextureHost->Unlock();

  }

  mLocked = false;

}

void

RenderTextureHostWrapper::ClearCachedResources()

{

  if (mTextureHost) {

    mTextureHost->ClearCachedResources();

  }

}

void

RenderTextureHostWrapper::UpdateRenderTextureHost(RenderTextureHost* aTextureHost)

{

  MOZ_ASSERT(!mInited || RenderThread::IsInRenderThread());

  MOZ_RELEASE_ASSERT(!mLocked);

  mInited = true;

  mTextureHost = aTextureHost;

}

} // namespace wr

} // namespace mozilla